diff options
| author | David S. Miller <davem@davemloft.net> | 2009-10-09 14:40:09 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2009-10-09 14:40:09 -0700 |
| commit | 8aa0f64ac3835a6daf84d0b0e07c4c01d7d8eddc (patch) | |
| tree | e5e6cc8637a44354997624f26d4d55834c9915b4 /drivers/net/wireless/iwlwifi | |
| parent | cd7e1f0b056c071860db65c847a854b3093d6606 (diff) | |
| parent | eab2ec83dbf0e32e28f3108f302ffdaa225d4cce (diff) | |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next-2.6
Diffstat (limited to 'drivers/net/wireless/iwlwifi')
34 files changed, 1573 insertions, 1332 deletions
diff --git a/drivers/net/wireless/iwlwifi/Kconfig b/drivers/net/wireless/iwlwifi/Kconfig index 99310c03325..c82c97be7bf 100644 --- a/drivers/net/wireless/iwlwifi/Kconfig +++ b/drivers/net/wireless/iwlwifi/Kconfig @@ -1,17 +1,7 @@ config IWLWIFI tristate "Intel Wireless Wifi" depends on PCI && MAC80211 && WLAN_80211 && EXPERIMENTAL - select LIB80211 select FW_LOADER - select MAC80211_LEDS if IWLWIFI_LEDS - select LEDS_CLASS if IWLWIFI_LEDS - -config IWLWIFI_LEDS - bool "Enable LED support in iwlagn and iwl3945 drivers" - depends on IWLWIFI - default y - ---help--- - Select this if you want LED support. config IWLWIFI_SPECTRUM_MEASUREMENT bool "Enable Spectrum Measurement in iwlagn driver" @@ -50,6 +40,24 @@ config IWLWIFI_DEBUGFS ---help--- Enable creation of debugfs files for the iwlwifi drivers. +config IWLWIFI_DEVICE_TRACING + bool "iwlwifi device access tracing" + depends on IWLWIFI + depends on EVENT_TRACING + help + Say Y here to trace all commands, including TX frames and IO + accesses, sent to the device. If you say yes, iwlwifi will + register with the ftrace framework for event tracing and dump + all this information to the ringbuffer, you may need to + increase the ringbuffer size. See the ftrace documentation + for more information. + + When tracing is not enabled, this option still has some + (though rather small) overhead. + + If unsure, say Y so we can help you better when problems + occur. + config IWLAGN tristate "Intel Wireless WiFi Next Gen AGN (iwlagn)" depends on IWLWIFI diff --git a/drivers/net/wireless/iwlwifi/Makefile b/drivers/net/wireless/iwlwifi/Makefile index 1d4e0a226fd..7f82044af24 100644 --- a/drivers/net/wireless/iwlwifi/Makefile +++ b/drivers/net/wireless/iwlwifi/Makefile @@ -1,20 +1,22 @@ obj-$(CONFIG_IWLWIFI) += iwlcore.o iwlcore-objs := iwl-core.o iwl-eeprom.o iwl-hcmd.o iwl-power.o iwlcore-objs += iwl-rx.o iwl-tx.o iwl-sta.o iwl-calib.o -iwlcore-objs += iwl-scan.o +iwlcore-objs += iwl-scan.o iwl-led.o iwlcore-$(CONFIG_IWLWIFI_DEBUGFS) += iwl-debugfs.o -iwlcore-$(CONFIG_IWLWIFI_LEDS) += iwl-led.o iwlcore-$(CONFIG_IWLWIFI_SPECTRUM_MEASUREMENT) += iwl-spectrum.o +iwlcore-$(CONFIG_IWLWIFI_DEVICE_TRACING) += iwl-devtrace.o +CFLAGS_iwl-devtrace.o := -I$(src) + +# AGN obj-$(CONFIG_IWLAGN) += iwlagn.o -iwlagn-objs := iwl-agn.o iwl-agn-rs.o +iwlagn-objs := iwl-agn.o iwl-agn-rs.o iwl-agn-led.o iwlagn-$(CONFIG_IWL4965) += iwl-4965.o iwlagn-$(CONFIG_IWL5000) += iwl-5000.o iwlagn-$(CONFIG_IWL5000) += iwl-6000.o iwlagn-$(CONFIG_IWL5000) += iwl-1000.o +# 3945 obj-$(CONFIG_IWL3945) += iwl3945.o iwl3945-objs := iwl3945-base.o iwl-3945.o iwl-3945-rs.o iwl-3945-led.o - - diff --git a/drivers/net/wireless/iwlwifi/iwl-1000.c b/drivers/net/wireless/iwlwifi/iwl-1000.c index 2716b91ba9f..679a67ff76e 100644 --- a/drivers/net/wireless/iwlwifi/iwl-1000.c +++ b/drivers/net/wireless/iwlwifi/iwl-1000.c @@ -44,6 +44,7 @@ #include "iwl-sta.h" #include "iwl-helpers.h" #include "iwl-5000-hw.h" +#include "iwl-agn-led.h" /* Highest firmware API version supported */ #define IWL1000_UCODE_API_MAX 3 @@ -76,7 +77,10 @@ static void iwl1000_set_ct_threshold(struct iwl_priv *priv) /* NIC configuration for 1000 series */ static void iwl1000_nic_config(struct iwl_priv *priv) { - iwl5000_nic_config(priv); + /* set CSR_HW_CONFIG_REG for uCode use */ + iwl_set_bit(priv, CSR_HW_IF_CONFIG_REG, + CSR_HW_IF_CONFIG_REG_BIT_RADIO_SI | + CSR_HW_IF_CONFIG_REG_BIT_MAC_SI); /* Setting digital SVR for 1000 card to 1.32V */ /* locking is acquired in iwl_set_bits_mask_prph() function */ @@ -108,7 +112,7 @@ static struct iwl_lib_ops iwl1000_lib = { .apm_ops = { .init = iwl5000_apm_init, .reset = iwl5000_apm_reset, - .stop = iwl5000_apm_stop, + .stop = iwl_apm_stop, .config = iwl1000_nic_config, .set_pwr_src = iwl_set_pwr_src, }, @@ -142,6 +146,7 @@ static struct iwl_ops iwl1000_ops = { .lib = &iwl1000_lib, .hcmd = &iwl5000_hcmd, .utils = &iwl5000_hcmd_utils, + .led = &iwlagn_led_ops, }; struct iwl_cfg iwl1000_bgn_cfg = { @@ -152,7 +157,7 @@ struct iwl_cfg iwl1000_bgn_cfg = { .sku = IWL_SKU_G|IWL_SKU_N, .ops = &iwl1000_ops, .eeprom_size = OTP_LOW_IMAGE_SIZE, - .eeprom_ver = EEPROM_5000_EEPROM_VERSION, + .eeprom_ver = EEPROM_1000_EEPROM_VERSION, .eeprom_calib_ver = EEPROM_5000_TX_POWER_VERSION, .mod_params = &iwl50_mod_params, .valid_tx_ant = ANT_A, @@ -161,5 +166,29 @@ struct iwl_cfg iwl1000_bgn_cfg = { .max_ll_items = OTP_MAX_LL_ITEMS_1000, .shadow_ram_support = false, .ht_greenfield_support = true, + .led_compensation = 51, + .chain_noise_num_beacons = IWL_CAL_NUM_BEACONS, }; +struct iwl_cfg iwl1000_bg_cfg = { + .name = "1000 Series BG", + .fw_name_pre = IWL1000_FW_PRE, + .ucode_api_max = IWL1000_UCODE_API_MAX, + .ucode_api_min = IWL1000_UCODE_API_MIN, + .sku = IWL_SKU_G, + .ops = &iwl1000_ops, + .eeprom_size = OTP_LOW_IMAGE_SIZE, + .eeprom_ver = EEPROM_1000_EEPROM_VERSION, + .eeprom_calib_ver = EEPROM_5000_TX_POWER_VERSION, + .mod_params = &iwl50_mod_params, + .valid_tx_ant = ANT_A, + .valid_rx_ant = ANT_AB, + .need_pll_cfg = true, + .max_ll_items = OTP_MAX_LL_ITEMS_1000, + .shadow_ram_support = false, + .ht_greenfield_support = true, + .led_compensation = 51, + .chain_noise_num_beacons = IWL_CAL_NUM_BEACONS, +}; + +MODULE_FIRMWARE(IWL1000_MODULE_FIRMWARE(IWL1000_UCODE_API_MAX)); diff --git a/drivers/net/wireless/iwlwifi/iwl-3945-led.c b/drivers/net/wireless/iwlwifi/iwl-3945-led.c index 8c29ded7d02..a871d09d598 100644 --- a/drivers/net/wireless/iwlwifi/iwl-3945-led.c +++ b/drivers/net/wireless/iwlwifi/iwl-3945-led.c @@ -24,8 +24,6 @@ * *****************************************************************************/ -#ifdef CONFIG_IWLWIFI_LEDS - #include <linux/kernel.h> #include <linux/module.h> #include <linux/init.h> @@ -43,388 +41,51 @@ #include "iwl-3945.h" #include "iwl-core.h" #include "iwl-dev.h" +#include "iwl-3945-led.h" -#ifdef CONFIG_IWLWIFI_DEBUG -static const char *led_type_str[] = { - __stringify(IWL_LED_TRG_TX), - __stringify(IWL_LED_TRG_RX), - __stringify(IWL_LED_TRG_ASSOC), - __stringify(IWL_LED_TRG_RADIO), - NULL -}; -#endif /* CONFIG_IWLWIFI_DEBUG */ - -static const struct { - u16 brightness; - u8 on_time; - u8 off_time; -} blink_tbl[] = -{ - {300, 25, 25}, - {200, 40, 40}, - {100, 55, 55}, - {70, 65, 65}, - {50, 75, 75}, - {20, 85, 85}, - {15, 95, 95 }, - {10, 110, 110}, - {5, 130, 130}, - {0, 167, 167}, - /* SOLID_ON */ - {-1, IWL_LED_SOLID, 0} -}; - -#define IWL_1MB_RATE (128 * 1024) -#define IWL_LED_THRESHOLD (16) -#define IWL_MAX_BLINK_TBL (ARRAY_SIZE(blink_tbl) - 1) /*Exclude Solid on*/ -#define IWL_SOLID_BLINK_IDX (ARRAY_SIZE(blink_tbl) - 1) - -static void iwl3945_led_cmd_callback(struct iwl_priv *priv, - struct iwl_device_cmd *cmd, - struct sk_buff *skb) -{ -} - -static inline int iwl3945_brightness_to_idx(enum led_brightness brightness) -{ - return fls(0x000000FF & (u32)brightness); -} /* Send led command */ -static int iwl_send_led_cmd(struct iwl_priv *priv, - struct iwl_led_cmd *led_cmd) +static int iwl3945_send_led_cmd(struct iwl_priv *priv, + struct iwl_led_cmd *led_cmd) { struct iwl_host_cmd cmd = { .id = REPLY_LEDS_CMD, .len = sizeof(struct iwl_led_cmd), .data = led_cmd, .flags = CMD_ASYNC, - .callback = iwl3945_led_cmd_callback, + .callback = NULL, }; return iwl_send_cmd(priv, &cmd); } - - -/* Set led on command */ -static int iwl3945_led_pattern(struct iwl_priv *priv, int led_id, - unsigned int idx) -{ - struct iwl_led_cmd led_cmd = { - .id = led_id, - .interval = IWL_DEF_LED_INTRVL - }; - - BUG_ON(idx > IWL_MAX_BLINK_TBL); - - led_cmd.on = blink_tbl[idx].on_time; - led_cmd.off = blink_tbl[idx].off_time; - - return iwl_send_led_cmd(priv, &led_cmd); -} - - /* Set led on command */ -static int iwl3945_led_on(struct iwl_priv *priv, int led_id) +static int iwl3945_led_on(struct iwl_priv *priv) { struct iwl_led_cmd led_cmd = { - .id = led_id, + .id = IWL_LED_LINK, .on = IWL_LED_SOLID, .off = 0, .interval = IWL_DEF_LED_INTRVL }; - return iwl_send_led_cmd(priv, &led_cmd); + return iwl3945_send_led_cmd(priv, &led_cmd); } /* Set led off command */ -static int iwl3945_led_off(struct iwl_priv *priv, int led_id) +static int iwl3945_led_off(struct iwl_priv *priv) { struct iwl_led_cmd led_cmd = { - .id = led_id, + .id = IWL_LED_LINK, .on = 0, .off = 0, .interval = IWL_DEF_LED_INTRVL }; - IWL_DEBUG_LED(priv, "led off %d\n", led_id); - return iwl_send_led_cmd(priv, &led_cmd); + IWL_DEBUG_LED(priv, "led off\n"); + return iwl3945_send_led_cmd(priv, &led_cmd); } -/* - * Set led on in case of association - * */ -static int iwl3945_led_associate(struct iwl_priv *priv, int led_id) -{ - IWL_DEBUG_LED(priv, "Associated\n"); - - priv->allow_blinking = 1; - return iwl3945_led_on(priv, led_id); -} -/* Set Led off in case of disassociation */ -static int iwl3945_led_disassociate(struct iwl_priv *priv, int led_id) -{ - IWL_DEBUG_LED(priv, "Disassociated\n"); - - priv->allow_blinking = 0; - - return 0; -} - -/* - * brightness call back function for Tx/Rx LED - */ -static int iwl3945_led_associated(struct iwl_priv *priv, int led_id) -{ - if (test_bit(STATUS_EXIT_PENDING, &priv->status) || - !test_bit(STATUS_READY, &priv->status)) - return 0; - - - /* start counting Tx/Rx bytes */ - if (!priv->last_blink_time && priv->allow_blinking) - priv->last_blink_time = jiffies; - return 0; -} - -/* - * brightness call back for association and radio - */ -static void iwl3945_led_brightness_set(struct led_classdev *led_cdev, - enum led_brightness brightness) -{ - struct iwl_led *led = container_of(led_cdev, - struct iwl_led, led_dev); - struct iwl_priv *priv = led->priv; - - if (test_bit(STATUS_EXIT_PENDING, &priv->status)) - return; - - IWL_DEBUG_LED(priv, "Led type = %s brightness = %d\n", - led_type_str[led->type], brightness); - - switch (brightness) { - case LED_FULL: - if (led->led_on) - led->led_on(priv, IWL_LED_LINK); - break; - case LED_OFF: - if (led->led_off) - led->led_off(priv, IWL_LED_LINK); - break; - default: - if (led->led_pattern) { - int idx = iwl3945_brightness_to_idx(brightness); - led->led_pattern(priv, IWL_LED_LINK, idx); - } - break; - } -} - -/* - * Register led class with the system - */ -static int iwl3945_led_register_led(struct iwl_priv *priv, - struct iwl_led *led, - enum led_type type, u8 set_led, - char *trigger) -{ - struct device *device = wiphy_dev(priv->hw->wiphy); - int ret; - - led->led_dev.name = led->name; - led->led_dev.brightness_set = iwl3945_led_brightness_set; - led->led_dev.default_trigger = trigger; - - led->priv = priv; - led->type = type; - - ret = led_classdev_register(device, &led->led_dev); - if (ret) { - IWL_ERR(priv, "Error: failed to register led handler.\n"); - return ret; - } - - led->registered = 1; - - if (set_led && led->led_on) - led->led_on(priv, IWL_LED_LINK); - return 0; -} - - -/* - * calculate blink rate according to last 2 sec Tx/Rx activities - */ -static inline u8 get_blink_rate(struct iwl_priv *priv) -{ - int index; - s64 tpt = priv->rxtxpackets; - - if (tpt < 0) - tpt = -tpt; - - IWL_DEBUG_LED(priv, "tpt %lld \n", (long long)tpt); - - if (!priv->allow_blinking) - index = IWL_MAX_BLINK_TBL; - else - for (index = 0; index < IWL_MAX_BLINK_TBL; index++) - if (tpt > (blink_tbl[index].brightness * IWL_1MB_RATE)) - break; - - IWL_DEBUG_LED(priv, "LED BLINK IDX=%d\n", index); - return index; -} - -/* - * this function called from handler. Since setting Led command can - * happen very frequent we postpone led command to be called from - * REPLY handler so we know ucode is up - */ -void iwl3945_led_background(struct iwl_priv *priv) -{ - u8 blink_idx; - - if (test_bit(STATUS_EXIT_PENDING, &priv->status)) { - priv->last_blink_time = 0; - return; - } - if (iwl_is_rfkill(priv)) { - priv->last_blink_time = 0; - return; - } - - if (!priv->allow_blinking) { - priv->last_blink_time = 0; - if (priv->last_blink_rate != IWL_SOLID_BLINK_IDX) { - priv->last_blink_rate = IWL_SOLID_BLINK_IDX; - iwl3945_led_pattern(priv, IWL_LED_LINK, - IWL_SOLID_BLINK_IDX); - } - return; - } - if (!priv->last_blink_time || - !time_after(jiffies, priv->last_blink_time + - msecs_to_jiffies(1000))) - return; - - blink_idx = get_blink_rate(priv); - - /* call only if blink rate change */ - if (blink_idx != priv->last_blink_rate) - iwl3945_led_pattern(priv, IWL_LED_LINK, blink_idx); - - priv->last_blink_time = jiffies; - priv->last_blink_rate = blink_idx; - priv->rxtxpackets = 0; -} - - -/* Register all led handler */ -int iwl3945_led_register(struct iwl_priv *priv) -{ - char *trigger; - int ret; - - priv->last_blink_rate = 0; - priv->rxtxpackets = 0; - priv->led_tpt = 0; - priv->last_blink_time = 0; - priv->allow_blinking = 0; - - trigger = ieee80211_get_radio_led_name(priv->hw); - snprintf(priv->led[IWL_LED_TRG_RADIO].name, - sizeof(priv->led[IWL_LED_TRG_RADIO].name), "iwl-%s::radio", - wiphy_name(priv->hw->wiphy)); - - priv->led[IWL_LED_TRG_RADIO].led_on = iwl3945_led_on; - priv->led[IWL_LED_TRG_RADIO].led_off = iwl3945_led_off; - priv->led[IWL_LED_TRG_RADIO].led_pattern = NULL; - - ret = iwl3945_led_register_led(priv, - &priv->led[IWL_LED_TRG_RADIO], - IWL_LED_TRG_RADIO, 1, trigger); - - if (ret) - goto exit_fail; - - trigger = ieee80211_get_assoc_led_name(priv->hw); - snprintf(priv->led[IWL_LED_TRG_ASSOC].name, - sizeof(priv->led[IWL_LED_TRG_ASSOC].name), "iwl-%s::assoc", - wiphy_name(priv->hw->wiphy)); - - ret = iwl3945_led_register_led(priv, - &priv->led[IWL_LED_TRG_ASSOC], - IWL_LED_TRG_ASSOC, 0, trigger); - - /* for assoc always turn led on */ - priv->led[IWL_LED_TRG_ASSOC].led_on = iwl3945_led_associate; - priv->led[IWL_LED_TRG_ASSOC].led_off = iwl3945_led_disassociate; - priv->led[IWL_LED_TRG_ASSOC].led_pattern = NULL; - - if (ret) - goto exit_fail; - - trigger = ieee80211_get_rx_led_name(priv->hw); - snprintf(priv->led[IWL_LED_TRG_RX].name, - sizeof(priv->led[IWL_LED_TRG_RX].name), "iwl-%s::RX", - wiphy_name(priv->hw->wiphy)); - - ret = iwl3945_led_register_led(priv, - &priv->led[IWL_LED_TRG_RX], - IWL_LED_TRG_RX, 0, trigger); - - priv->led[IWL_LED_TRG_RX].led_on = iwl3945_led_associated; - priv->led[IWL_LED_TRG_RX].led_off = iwl3945_led_associated; - priv->led[IWL_LED_TRG_RX].led_pattern = iwl3945_led_pattern; - - if (ret) - goto exit_fail; - - trigger = ieee80211_get_tx_led_name(priv->hw); - snprintf(priv->led[IWL_LED_TRG_TX].name, - sizeof(priv->led[IWL_LED_TRG_TX].name), "iwl-%s::TX", - wiphy_name(priv->hw->wiphy)); - - ret = iwl3945_led_register_led(priv, - &priv->led[IWL_LED_TRG_TX], - IWL_LED_TRG_TX, 0, trigger); - - priv->led[IWL_LED_TRG_TX].led_on = iwl3945_led_associated; - priv->led[IWL_LED_TRG_TX].led_off = iwl3945_led_associated; - priv->led[IWL_LED_TRG_TX].led_pattern = iwl3945_led_pattern; - - if (ret) - goto exit_fail; - - return 0; - -exit_fail: - iwl3945_led_unregister(priv); - return ret; -} - - -/* unregister led class */ -static void iwl3945_led_unregister_led(struct iwl_led *led, u8 set_led) -{ - if (!led->registered) - return; - - led_classdev_unregister(&led->led_dev); - - if (set_led) - led->led_dev.brightness_set(&led->led_dev, LED_OFF); - led->registered = 0; -} - -/* Unregister all led handlers */ -void iwl3945_led_unregister(struct iwl_priv *priv) -{ - iwl3945_led_unregister_led(&priv->led[IWL_LED_TRG_ASSOC], 0); - iwl3945_led_unregister_led(&priv->led[IWL_LED_TRG_RX], 0); - iwl3945_led_unregister_led(&priv->led[IWL_LED_TRG_TX], 0); - iwl3945_led_unregister_led(&priv->led[IWL_LED_TRG_RADIO], 1); -} - -#endif +const struct iwl_led_ops iwl3945_led_ops = { + .cmd = iwl3945_send_led_cmd, + .on = iwl3945_led_on, + .off = iwl3945_led_off, +}; diff --git a/drivers/net/wireless/iwlwifi/iwl-3945-led.h b/drivers/net/wireless/iwlwifi/iwl-3945-led.h index 3b65642258c..5a1033ca7aa 100644 --- a/drivers/net/wireless/iwlwifi/iwl-3945-led.h +++ b/drivers/net/wireless/iwlwifi/iwl-3945-led.h @@ -24,23 +24,9 @@ * *****************************************************************************/ -#ifndef IWL3945_LEDS_H -#define IWL3945_LEDS_H +#ifndef __iwl_3945_led_h__ +#define __iwl_3945_led_h__ -struct iwl_priv; +extern const struct iwl_led_ops iwl3945_led_ops; -#ifdef CONFIG_IWLWIFI_LEDS - -#include "iwl-led.h" - -extern int iwl3945_led_register(struct iwl_priv *priv); -extern void iwl3945_led_unregister(struct iwl_priv *priv); -extern void iwl3945_led_background(struct iwl_priv *priv); - -#else -static inline int iwl3945_led_register(struct iwl_priv *priv) { return 0; } -static inline void iwl3945_led_unregister(struct iwl_priv *priv) {} -static inline void iwl3945_led_background(struct iwl_priv *priv) {} - -#endif /* IWLWIFI_LEDS*/ -#endif /* IWL3945_LEDS_H */ +#endif /* __iwl_3945_led_h__ */ diff --git a/drivers/net/wireless/iwlwifi/iwl-3945.c b/drivers/net/wireless/iwlwifi/iwl-3945.c index e70c5b0af36..ced0e33e44b 100644 --- a/drivers/net/wireless/iwlwifi/iwl-3945.c +++ b/drivers/net/wireless/iwlwifi/iwl-3945.c @@ -46,7 +46,8 @@ #include "iwl-eeprom.h" #include "iwl-helpers.h" #include "iwl-core.h" -#include "iwl-agn-rs.h" +#include "iwl-led.h" +#include "iwl-3945-led.h" #define IWL_DECLARE_RATE_INFO(r, ip, in, rp, rn, pp, np) \ [IWL_RATE_##r##M_INDEX] = { IWL_RATE_##r##M_PLCP, \ @@ -359,7 +360,7 @@ void iwl3945_hw_rx_statistics(struct iwl_priv *priv, memcpy(&priv->statistics_39, pkt->u.raw, sizeof(priv->statistics_39)); - iwl3945_led_background(priv); + iwl_leds_background(priv); priv->last_statistics_time = jiffies; } @@ -572,10 +573,6 @@ static void iwl3945_pass_packet_to_mac80211(struct iwl_priv *priv, (struct ieee80211_hdr *)rxb->skb->data, le32_to_cpu(rx_end->status), stats); -#ifdef CONFIG_IWLWIFI_LEDS - if (ieee80211_is_data(hdr->frame_control)) - priv->rxtxpackets += len; -#endif iwl_update_stats(priv, false, hdr->frame_control, len); memcpy(IEEE80211_SKB_RXCB(rxb->skb), stats, sizeof(*stats)); @@ -1002,8 +999,9 @@ static int iwl3945_apm_init(struct iwl_priv *priv) * D0U* --> D0A* state */ iwl_set_bit(priv, CSR_GP_CNTRL, CSR_GP_CNTRL_REG_FLAG_INIT_DONE); - ret = iwl_poll_direct_bit(priv, CSR_GP_CNTRL, - CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY, 25000); + ret = iwl_poll_bit(priv, CSR_GP_CNTRL, + CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY, + CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY, 25000); if (ret < 0) { IWL_DEBUG_INFO(priv, "Failed to init the card\n"); goto out; @@ -1170,48 +1168,9 @@ void iwl3945_hw_txq_ctx_stop(struct iwl_priv *priv) iwl3945_hw_txq_ctx_free(priv); } -static int iwl3945_apm_stop_master(struct iwl_priv *priv) -{ - int ret = 0; - unsigned long flags; - - spin_lock_irqsave(&priv->lock, flags); - - /* set stop master bit */ - iwl_set_bit(priv, CSR_RESET, CSR_RESET_REG_FLAG_STOP_MASTER); - - iwl_poll_direct_bit(priv, CSR_RESET, - CSR_RESET_REG_FLAG_MASTER_DISABLED, 100); - - if (ret < 0) - goto out; - -out: - spin_unlock_irqrestore(&priv->lock, flags); - IWL_DEBUG_INFO(priv, "stop master\n"); - - return ret; -} - -static void iwl3945_apm_stop(struct iwl_priv *priv) -{ - unsigned long flags; - - iwl3945_apm_stop_master(priv); - - spin_lock_irqsave(&priv->lock, flags); - - iwl_set_bit(priv, CSR_RESET, CSR_RESET_REG_FLAG_SW_RESET); - - udelay(10); - /* clear "init complete" move adapter D0A* --> D0U state */ - iwl_clear_bit(priv, CSR_GP_CNTRL, CSR_GP_CNTRL_REG_FLAG_INIT_DONE); - spin_unlock_irqrestore(&priv->lock, flags); -} - static int iwl3945_apm_reset(struct iwl_priv *priv) { - iwl3945_apm_stop_master(priv); + iwl_apm_stop_master(priv); iwl_set_bit(priv, CSR_RESET, CSR_RESET_REG_FLAG_SW_RESET); @@ -1219,8 +1178,9 @@ static int iwl3945_apm_reset(struct iwl_priv *priv) iwl_set_bit(priv, CSR_GP_CNTRL, CSR_GP_CNTRL_REG_FLAG_INIT_DONE); - iwl_poll_direct_bit(priv, CSR_GP_CNTRL, - CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY, 25000); + iwl_poll_bit(priv, CSR_GP_CNTRL, + CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY, + CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY, 25000); iwl_write_prph(priv, APMG_CLK_CTRL_REG, APMG_CLK_VAL_BSM_CLK_RQT); @@ -2844,7 +2804,7 @@ static struct iwl_lib_ops iwl3945_lib = { .apm_ops = { .init = iwl3945_apm_init, .reset = iwl3945_apm_reset, - .stop = iwl3945_apm_stop, + .stop = iwl_apm_stop, .config = iwl3945_nic_config, .set_pwr_src = iwl3945_set_pwr_src, }, @@ -2880,6 +2840,7 @@ static struct iwl_ops iwl3945_ops = { .lib = &iwl3945_lib, .hcmd = &iwl3945_hcmd, .utils = &iwl3945_hcmd_utils, + .led = &iwl3945_led_ops, }; static struct iwl_cfg iwl3945_bg_cfg = { @@ -2894,6 +2855,7 @@ static struct iwl_cfg iwl3945_bg_cfg = { .mod_params = &iwl3945_mod_params, .use_isr_legacy = true, .ht_greenfield_support = false, + .led_compensation = 64, }; static struct iwl_cfg iwl3945_abg_cfg = { @@ -2908,6 +2870,7 @@ static struct iwl_cfg iwl3945_abg_cfg = { .mod_params = &iwl3945_mod_params, .use_isr_legacy = true, .ht_greenfield_support = false, + .led_compensation = 64, }; struct pci_device_id iwl3945_hw_card_ids[] = { diff --git a/drivers/net/wireless/iwlwifi/iwl-3945.h b/drivers/net/wireless/iwlwifi/iwl-3945.h index 21679bf3a1a..f3907c1079f 100644 --- a/drivers/net/wireless/iwlwifi/iwl-3945.h +++ b/drivers/net/wireless/iwlwifi/iwl-3945.h @@ -46,7 +46,7 @@ extern struct pci_device_id iwl3945_hw_card_ids[]; #include "iwl-debug.h" #include "iwl-power.h" #include "iwl-dev.h" -#include "iwl-3945-led.h" +#include "iwl-led.h" /* Highest firmware API version supported */ #define IWL3945_UCODE_API_MAX 2 diff --git a/drivers/net/wireless/iwlwifi/iwl-4965.c b/drivers/net/wireless/iwlwifi/iwl-4965.c index a22a0501c19..f8eed9a4abc 100644 --- a/drivers/net/wireless/iwlwifi/iwl-4965.c +++ b/drivers/net/wireless/iwlwifi/iwl-4965.c @@ -44,6 +44,7 @@ #include "iwl-helpers.h" #include "iwl-calib.h" #include "iwl-sta.h" +#include "iwl-agn-led.h" static int iwl4965_send_tx_power(struct iwl_priv *priv); static int iwl4965_hw_get_temperature(struct iwl_priv *priv); @@ -334,7 +335,8 @@ static int iwl4965_apm_init(struct iwl_priv *priv) iwl_set_bit(priv, CSR_GP_CNTRL, CSR_GP_CNTRL_REG_FLAG_INIT_DONE); /* wait for clock stabilization */ - ret = iwl_poll_direct_bit(priv, CSR_GP_CNTRL, + ret = iwl_poll_bit(priv, CSR_GP_CNTRL, + CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY, CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY, 25000); if (ret < 0) { IWL_DEBUG_INFO(priv, "Failed to init the card\n"); @@ -395,45 +397,11 @@ static void iwl4965_nic_config(struct iwl_priv *priv) spin_unlock_irqrestore(&priv->lock, flags); } -static int iwl4965_apm_stop_master(struct iwl_priv *priv) -{ - unsigned long flags; - - spin_lock_irqsave(&priv->lock, flags); - - /* set stop master bit */ - iwl_set_bit(priv, CSR_RESET, CSR_RESET_REG_FLAG_STOP_MASTER); - - iwl_poll_direct_bit(priv, CSR_RESET, - CSR_RESET_REG_FLAG_MASTER_DISABLED, 100); - - spin_unlock_irqrestore(&priv->lock, flags); - IWL_DEBUG_INFO(priv, "stop master\n"); - - return 0; -} - -static void iwl4965_apm_stop(struct iwl_priv *priv) -{ - unsigned long flags; - - iwl4965_apm_stop_master(priv); - - spin_lock_irqsave(&priv->lock, flags); - - iwl_set_bit(priv, CSR_RESET, CSR_RESET_REG_FLAG_SW_RESET); - - udelay(10); - /* clear "init complete" move adapter D0A* --> D0U state */ - iwl_clear_bit(priv, CSR_GP_CNTRL, CSR_GP_CNTRL_REG_FLAG_INIT_DONE); - spin_unlock_irqrestore(&priv->lock, flags); -} - static int iwl4965_apm_reset(struct iwl_priv *priv) { int ret = 0; - iwl4965_apm_stop_master(priv); + iwl_apm_stop_master(priv); iwl_set_bit(priv, CSR_RESET, CSR_RESET_REG_FLAG_SW_RESET); @@ -444,7 +412,8 @@ static int iwl4965_apm_reset(struct iwl_priv *priv) iwl_set_bit(priv, CSR_GP_CNTRL, CSR_GP_CNTRL_REG_FLAG_INIT_DONE); - ret = iwl_poll_direct_bit(priv, CSR_GP_CNTRL, + ret = iwl_poll_bit(priv, CSR_GP_CNTRL, + CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY, CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY, 25000); if (ret < 0) goto out; @@ -495,14 +464,15 @@ static void iwl4965_chain_noise_reset(struct iwl_priv *priv) static void iwl4965_gain_computation(struct iwl_priv *priv, u32 *average_noise, u16 min_average_noise_antenna_i, - u32 min_average_noise) + u32 min_average_noise, + u8 default_chain) { int i, ret; struct iwl_chain_noise_data *data = &priv->chain_noise_data; data->delta_gain_code[min_average_noise_antenna_i] = 0; - for (i = 0; i < NUM_RX_CHAINS; i++) { + for (i = default_chain; i < NUM_RX_CHAINS; i++) { s32 delta_g = 0; if (!(data->disconn_array[i]) && @@ -662,7 +632,8 @@ static int iwl4965_alive_notify(struct iwl_priv *priv) iwl_write_targ_mem(priv, a, 0); for (; a < priv->scd_base_addr + IWL49_SCD_TRANSLATE_TBL_OFFSET; a += 4) iwl_write_targ_mem(priv, a, 0); - for (; a < sizeof(u16) * priv->hw_params.max_txq_num; a += 4) + for (; a < priv->scd_base_addr + + IWL49_SCD_TRANSLATE_TBL_OFFSET_QUEUE(priv->hw_params.max_txq_num); a += 4) iwl_write_targ_mem(priv, a, 0); /* Tel 4965 where to find Tx byte count tables */ @@ -2303,7 +2274,7 @@ static struct iwl_lib_ops iwl4965_lib = { .apm_ops = { .init = iwl4965_apm_init, .reset = iwl4965_apm_reset, - .stop = iwl4965_apm_stop, + .stop = iwl_apm_stop, .config = iwl4965_nic_config, .set_pwr_src = iwl_set_pwr_src, }, @@ -2339,6 +2310,7 @@ static struct iwl_ops iwl4965_ops = { .lib = &iwl4965_lib, .hcmd = &iwl4965_hcmd, .utils = &iwl4965_hcmd_utils, + .led = &iwlagn_led_ops, }; struct iwl_cfg iwl4965_agn_cfg = { @@ -2355,26 +2327,29 @@ struct iwl_cfg iwl4965_agn_cfg = { .use_isr_legacy = true, .ht_greenfield_support = false, .broken_powersave = true, + .led_compensation = 61, + .chain_noise_num_beacons = IWL4965_CAL_NUM_BEACONS, }; /* Module firmware */ MODULE_FIRMWARE(IWL4965_MODULE_FIRMWARE(IWL4965_UCODE_API_MAX)); -module_param_named(antenna, iwl4965_mod_params.antenna, int, 0444); +module_param_named(antenna, iwl4965_mod_params.antenna, int, S_IRUGO); MODULE_PARM_DESC(antenna, "select antenna (1=Main, 2=Aux, default 0 [both])"); -module_param_named(swcrypto, iwl4965_mod_params.sw_crypto, int, 0444); +module_param_named(swcrypto, iwl4965_mod_params.sw_crypto, int, S_IRUGO); MODULE_PARM_DESC(swcrypto, "using crypto in software (default 0 [hardware])"); module_param_named( - disable_hw_scan, iwl4965_mod_params.disable_hw_scan, int, 0444); + disable_hw_scan, iwl4965_mod_params.disable_hw_scan, int, S_IRUGO); MODULE_PARM_DESC(disable_hw_scan, "disable hardware scanning (default 0)"); -module_param_named(queues_num, iwl4965_mod_params.num_of_queues, int, 0444); +module_param_named(queues_num, iwl4965_mod_params.num_of_queues, int, S_IRUGO); MODULE_PARM_DESC(queues_num, "number of hw queues."); /* 11n */ -module_param_named(11n_disable, iwl4965_mod_params.disable_11n, int, 0444); +module_param_named(11n_disable, iwl4965_mod_params.disable_11n, int, S_IRUGO); MODULE_PARM_DESC(11n_disable, "disable 11n functionality"); -module_param_named(amsdu_size_8K, iwl4965_mod_params.amsdu_size_8K, int, 0444); +module_param_named(amsdu_size_8K, iwl4965_mod_params.amsdu_size_8K, + int, S_IRUGO); MODULE_PARM_DESC(amsdu_size_8K, "enable 8K amsdu size"); -module_param_named(fw_restart4965, iwl4965_mod_params.restart_fw, int, 0444); +module_param_named(fw_restart4965, iwl4965_mod_params.restart_fw, int, S_IRUGO); MODULE_PARM_DESC(fw_restart4965, "restart firmware in case of error"); diff --git a/drivers/net/wireless/iwlwifi/iwl-5000.c b/drivers/net/wireless/iwlwifi/iwl-5000.c index eb08f441100..98baf8af6da 100644 --- a/drivers/net/wireless/iwlwifi/iwl-5000.c +++ b/drivers/net/wireless/iwlwifi/iwl-5000.c @@ -42,6 +42,7 @@ #include "iwl-io.h" #include "iwl-sta.h" #include "iwl-helpers.h" +#include "iwl-agn-led.h" #include "iwl-5000-hw.h" #include "iwl-6000-hw.h" @@ -71,26 +72,6 @@ static const u16 iwl5000_default_queue_to_tx_fifo[] = { IWL_TX_FIFO_HCCA_2 }; -/* FIXME: same implementation as 4965 */ -static int iwl5000_apm_stop_master(struct iwl_priv *priv) -{ - unsigned long flags; - - spin_lock_irqsave(&priv->lock, flags); - - /* set stop master bit */ - iwl_set_bit(priv, CSR_RESET, CSR_RESET_REG_FLAG_STOP_MASTER); - - iwl_poll_direct_bit(priv, CSR_RESET, - CSR_RESET_REG_FLAG_MASTER_DISABLED, 100); - - spin_unlock_irqrestore(&priv->lock, flags); - IWL_DEBUG_INFO(priv, "stop master\n"); - - return 0; -} - - int iwl5000_apm_init(struct iwl_priv *priv) { int ret = 0; @@ -117,7 +98,8 @@ int iwl5000_apm_init(struct iwl_priv *priv) iwl_set_bit(priv, CSR_GP_CNTRL, CSR_GP_CNTRL_REG_FLAG_INIT_DONE); /* wait for clock stabilization */ - ret = iwl_poll_direct_bit(priv, CSR_GP_CNTRL, + ret = iwl_poll_bit(priv, CSR_GP_CNTRL, + CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY, CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY, 25000); if (ret < 0) { IWL_DEBUG_INFO(priv, "Failed to init the card\n"); @@ -136,31 +118,11 @@ int iwl5000_apm_init(struct iwl_priv *priv) return ret; } -/* FIXME: this is identical to 4965 */ -void iwl5000_apm_stop(struct iwl_priv *priv) -{ - unsigned long flags; - - iwl5000_apm_stop_master(priv); - - spin_lock_irqsave(&priv->lock, flags); - - iwl_set_bit(priv, CSR_RESET, CSR_RESET_REG_FLAG_SW_RESET); - - udelay(10); - - /* clear "init complete" move adapter D0A* --> D0U state */ - iwl_clear_bit(priv, CSR_GP_CNTRL, CSR_GP_CNTRL_REG_FLAG_INIT_DONE); - - spin_unlock_irqrestore(&priv->lock, flags); -} - - int iwl5000_apm_reset(struct iwl_priv *priv) { int ret = 0; - iwl5000_apm_stop_master(priv); + iwl_apm_stop_master(priv); iwl_set_bit(priv, CSR_RESET, CSR_RESET_REG_FLAG_SW_RESET); @@ -177,7 +139,8 @@ int iwl5000_apm_reset(struct iwl_priv *priv) iwl_set_bit(priv, CSR_GP_CNTRL, CSR_GP_CNTRL_REG_FLAG_INIT_DONE); /* wait for clock stabilization */ - ret = iwl_poll_direct_bit(priv, CSR_GP_CNTRL, + ret = iwl_poll_bit(priv, CSR_GP_CNTRL, + CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY, CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY, 25000); if (ret < 0) { IWL_DEBUG_INFO(priv, "Failed to init the card\n"); @@ -198,7 +161,7 @@ out: } -/* NIC configuration for 5000 series and up */ +/* NIC configuration for 5000 series */ void iwl5000_nic_config(struct iwl_priv *priv) { unsigned long flags; @@ -221,7 +184,7 @@ void iwl5000_nic_config(struct iwl_priv *priv) radio_cfg = iwl_eeprom_query16(priv, EEPROM_RADIO_CONFIG); /* write radio config values to register */ - if (EEPROM_RF_CFG_TYPE_MSK(radio_cfg) < EEPROM_5000_RF_CFG_TYPE_MAX) + if (EEPROM_RF_CFG_TYPE_MSK(radio_cfg) < EEPROM_RF_CONFIG_TYPE_MAX) iwl_set_bit(priv, CSR_HW_IF_CONFIG_REG, EEPROM_RF_CFG_TYPE_MSK(radio_cfg) | EEPROM_RF_CFG_STEP_MSK(radio_cfg) | @@ -301,14 +264,17 @@ u16 iwl5000_eeprom_calib_version(struct iwl_priv *priv) static void iwl5000_gain_computation(struct iwl_priv *priv, u32 average_noise[NUM_RX_CHAINS], u16 min_average_noise_antenna_i, - u32 min_average_noise) + u32 min_average_noise, + u8 default_chain) { int i; s32 delta_g; struct iwl_chain_noise_data *data = &priv->chain_noise_data; - /* Find Gain Code for the antennas B and C */ - for (i = 1; i < NUM_RX_CHAINS; i++) { + /* + * Find Gain Code for the chains based on "default chain" + */ + for (i = default_chain + 1; i < NUM_RX_CHAINS; i++) { if ((data->disconn_array[i])) { data->delta_gain_code[i] = 0; continue; @@ -745,7 +711,8 @@ int iwl5000_alive_notify(struct iwl_priv *priv) for (; a < priv->scd_base_addr + IWL50_SCD_TRANSLATE_TBL_OFFSET; a += 4) iwl_write_targ_mem(priv, a, 0); - for (; a < sizeof(u16) * priv->hw_params.max_txq_num; a += 4) + for (; a < priv->scd_base_addr + + IWL50_SCD_TRANSLATE_TBL_OFFSET_QUEUE(priv->hw_params.max_txq_num); a += 4) iwl_write_targ_mem(priv, a, 0); iwl_write_prph(priv, IWL50_SCD_DRAM_BASE_ADDR, @@ -833,16 +800,8 @@ int iwl5000_hw_set_hw_params(struct iwl_priv *priv) priv->hw_params.max_stations = IWL5000_STATION_COUNT; priv->hw_params.bcast_sta_id = IWL5000_BROADCAST_ID; - switch (priv->hw_rev & CSR_HW_REV_TYPE_MSK) { - case CSR_HW_REV_TYPE_6x00: - case CSR_HW_REV_TYPE_6x50: - priv->hw_params.max_data_size = IWL60_RTC_DATA_SIZE; - priv->hw_params.max_inst_size = IWL60_RTC_INST_SIZE; - break; - default: - priv->hw_params.max_data_size = IWL50_RTC_DATA_SIZE; - priv->hw_params.max_inst_size = IWL50_RTC_INST_SIZE; - } + priv->hw_params.max_data_size = IWL50_RTC_DATA_SIZE; + priv->hw_params.max_inst_size = IWL50_RTC_INST_SIZE; priv->hw_params.max_bsm_size = 0; priv->hw_params.ht40_channel = BIT(IEEE80211_BAND_2GHZ) | @@ -1458,6 +1417,24 @@ int iwl5000_calc_rssi(struct iwl_priv *priv, return max_rssi - agc - IWL49_RSSI_OFFSET; } +static int iwl5000_send_tx_ant_config(struct iwl_priv *priv, u8 valid_tx_ant) +{ + struct iwl_tx_ant_config_cmd tx_ant_cmd = { + .valid = cpu_to_le32(valid_tx_ant), + }; + + if (IWL_UCODE_API(priv->ucode_ver) > 1) { + IWL_DEBUG_HC(priv, "select valid tx ant: %u\n", valid_tx_ant); + return iwl_send_cmd_pdu(priv, TX_ANT_CONFIGURATION_CMD, + sizeof(struct iwl_tx_ant_config_cmd), + &tx_ant_cmd); + } else { + IWL_DEBUG_HC(priv, "TX_ANT_CONFIGURATION_CMD not supported\n"); + return -EOPNOTSUPP; + } +} + + #define IWL5000_UCODE_GET(item) \ static u32 iwl5000_ucode_get_##item(const struct iwl_ucode_header *ucode,\ u32 api_ver) \ @@ -1500,6 +1477,7 @@ struct iwl_hcmd_ops iwl5000_hcmd = { .rxon_assoc = iwl5000_send_rxon_assoc, .commit_rxon = iwl_commit_rxon, .set_rxon_chain = iwl_set_rxon_chain, + .set_tx_ant = iwl5000_send_tx_ant_config, }; struct iwl_hcmd_utils_ops iwl5000_hcmd_utils = { @@ -1545,7 +1523,7 @@ struct iwl_lib_ops iwl5000_lib = { .apm_ops = { .init = iwl5000_apm_init, .reset = iwl5000_apm_reset, - .stop = iwl5000_apm_stop, + .stop = iwl_apm_stop, .config = iwl5000_nic_config, .set_pwr_src = iwl_set_pwr_src, }, @@ -1597,7 +1575,7 @@ static struct iwl_lib_ops iwl5150_lib = { .apm_ops = { .init = iwl5000_apm_init, .reset = iwl5000_apm_reset, - .stop = iwl5000_apm_stop, + .stop = iwl_apm_stop, .config = iwl5000_nic_config, .set_pwr_src = iwl_set_pwr_src, }, @@ -1626,11 +1604,12 @@ static struct iwl_lib_ops iwl5150_lib = { }, }; -struct iwl_ops iwl5000_ops = { +static struct iwl_ops iwl5000_ops = { .ucode = &iwl5000_ucode, .lib = &iwl5000_lib, .hcmd = &iwl5000_hcmd, .utils = &iwl5000_hcmd_utils, + .led = &iwlagn_led_ops, }; static struct iwl_ops iwl5150_ops = { @@ -1638,6 +1617,7 @@ static struct iwl_ops iwl5150_ops = { .lib = &iwl5150_lib, .hcmd = &iwl5000_hcmd, .utils = &iwl5000_hcmd_utils, + .led = &iwlagn_led_ops, }; struct iwl_mod_params iwl50_mod_params = { @@ -1664,6 +1644,8 @@ struct iwl_cfg iwl5300_agn_cfg = { .valid_rx_ant = ANT_ABC, .need_pll_cfg = true, .ht_greenfield_support = true, + .led_compensation = 51, + .chain_noise_num_beacons = IWL_CAL_NUM_BEACONS, }; struct iwl_cfg iwl5100_bg_cfg = { @@ -1681,6 +1663,8 @@ struct iwl_cfg iwl5100_bg_cfg = { .valid_rx_ant = ANT_AB, .need_pll_cfg = true, .ht_greenfield_support = true, + .led_compensation = 51, + .chain_noise_num_beacons = IWL_CAL_NUM_BEACONS, }; struct iwl_cfg iwl5100_abg_cfg = { @@ -1698,6 +1682,8 @@ struct iwl_cfg iwl5100_abg_cfg = { .valid_rx_ant = ANT_AB, .need_pll_cfg = true, .ht_greenfield_support = true, + .led_compensation = 51, + .chain_noise_num_beacons = IWL_CAL_NUM_BEACONS, }; struct iwl_cfg iwl5100_agn_cfg = { @@ -1715,6 +1701,8 @@ struct iwl_cfg iwl5100_agn_cfg = { .valid_rx_ant = ANT_AB, .need_pll_cfg = true, .ht_greenfield_support = true, + .led_compensation = 51, + .chain_noise_num_beacons = IWL_CAL_NUM_BEACONS, }; struct iwl_cfg iwl5350_agn_cfg = { @@ -1732,6 +1720,8 @@ struct iwl_cfg iwl5350_agn_cfg = { .valid_rx_ant = ANT_ABC, .need_pll_cfg = true, .ht_greenfield_support = true, + .led_compensation = 51, + .chain_noise_num_beacons = IWL_CAL_NUM_BEACONS, }; struct iwl_cfg iwl5150_agn_cfg = { @@ -1749,19 +1739,22 @@ struct iwl_cfg iwl5150_agn_cfg = { .valid_rx_ant = ANT_AB, .need_pll_cfg = true, .ht_greenfield_support = true, + .led_compensation = 51, + .chain_noise_num_beacons = IWL_CAL_NUM_BEACONS, }; MODULE_FIRMWARE(IWL5000_MODULE_FIRMWARE(IWL5000_UCODE_API_MAX)); MODULE_FIRMWARE(IWL5150_MODULE_FIRMWARE(IWL5150_UCODE_API_MAX)); -module_param_named(swcrypto50, iwl50_mod_params.sw_crypto, bool, 0444); +module_param_named(swcrypto50, iwl50_mod_params.sw_crypto, bool, S_IRUGO); MODULE_PARM_DESC(swcrypto50, "using software crypto engine (default 0 [hardware])\n"); -module_param_named(queues_num50, iwl50_mod_params.num_of_queues, int, 0444); +module_param_named(queues_num50, iwl50_mod_params.num_of_queues, int, S_IRUGO); MODULE_PARM_DESC(queues_num50, "number of hw queues in 50xx series"); -module_param_named(11n_disable50, iwl50_mod_params.disable_11n, int, 0444); +module_param_named(11n_disable50, iwl50_mod_params.disable_11n, int, S_IRUGO); MODULE_PARM_DESC(11n_disable50, "disable 50XX 11n functionality"); -module_param_named(amsdu_size_8K50, iwl50_mod_params.amsdu_size_8K, int, 0444); +module_param_named(amsdu_size_8K50, iwl50_mod_params.amsdu_size_8K, + int, S_IRUGO); MODULE_PARM_DESC(amsdu_size_8K50, "enable 8K amsdu size in 50XX series"); -module_param_named(fw_restart50, iwl50_mod_params.restart_fw, int, 0444); +module_param_named(fw_restart50, iwl50_mod_params.restart_fw, int, S_IRUGO); MODULE_PARM_DESC(fw_restart50, "restart firmware in case of error"); diff --git a/drivers/net/wireless/iwlwifi/iwl-6000.c b/drivers/net/wireless/iwlwifi/iwl-6000.c index c295b8ee922..d1f0b0b4ad0 100644 --- a/drivers/net/wireless/iwlwifi/iwl-6000.c +++ b/drivers/net/wireless/iwlwifi/iwl-6000.c @@ -44,6 +44,8 @@ #include "iwl-sta.h" #include "iwl-helpers.h" #include "iwl-5000-hw.h" +#include "iwl-6000-hw.h" +#include "iwl-agn-led.h" /* Highest firmware API version supported */ #define IWL6000_UCODE_API_MAX 4 @@ -71,7 +73,21 @@ static void iwl6000_set_ct_threshold(struct iwl_priv *priv) /* NIC configuration for 6000 series */ static void iwl6000_nic_config(struct iwl_priv *priv) { - iwl5000_nic_config(priv); + u16 radio_cfg; + + radio_cfg = iwl_eeprom_query16(priv, EEPROM_RADIO_CONFIG); + + /* write radio config values to register */ + if (EEPROM_RF_CFG_TYPE_MSK(radio_cfg) <= EEPROM_RF_CONFIG_TYPE_MAX) + iwl_set_bit(priv, CSR_HW_IF_CONFIG_REG, + EEPROM_RF_CFG_TYPE_MSK(radio_cfg) | + EEPROM_RF_CFG_STEP_MSK(radio_cfg) | + EEPROM_RF_CFG_DASH_MSK(radio_cfg)); + + /* set CSR_HW_CONFIG_REG for uCode use */ + iwl_set_bit(priv, CSR_HW_IF_CONFIG_REG, + CSR_HW_IF_CONFIG_REG_BIT_RADIO_SI | + CSR_HW_IF_CONFIG_REG_BIT_MAC_SI); /* no locking required for register write */ if (priv->cfg->pa_type == IWL_PA_HYBRID) { @@ -86,8 +102,76 @@ static void iwl6000_nic_config(struct iwl_priv *priv) /* else do nothing, uCode configured */ } +static struct iwl_sensitivity_ranges iwl6000_sensitivity = { + .min_nrg_cck = 97, + .max_nrg_cck = 0, /* not used, set to 0 */ + .auto_corr_min_ofdm = 80, + .auto_corr_min_ofdm_mrc = 128, + .auto_corr_min_ofdm_x1 = 105, + .auto_corr_min_ofdm_mrc_x1 = 192, + + .auto_corr_max_ofdm = 145, + .auto_corr_max_ofdm_mrc = 232, + .auto_corr_max_ofdm_x1 = 145, + .auto_corr_max_ofdm_mrc_x1 = 232, + + .auto_corr_min_cck = 125, + .auto_corr_max_cck = 175, + .auto_corr_min_cck_mrc = 160, + .auto_corr_max_cck_mrc = 310, + .nrg_th_cck = 97, + .nrg_th_ofdm = 100, +}; + +static int iwl6000_hw_set_hw_params(struct iwl_priv *priv) +{ + if ((priv->cfg->mod_params->num_of_queues > IWL50_NUM_QUEUES) || + (priv->cfg->mod_params->num_of_queues < IWL_MIN_NUM_QUEUES)) { + IWL_ERR(priv, + "invalid queues_num, should be between %d and %d\n", + IWL_MIN_NUM_QUEUES, IWL50_NUM_QUEUES); + return -EINVAL; + } + + priv->hw_params.max_txq_num = priv->cfg->mod_params->num_of_queues; + priv->hw_params.dma_chnl_num = FH50_TCSR_CHNL_NUM; + priv->hw_params.scd_bc_tbls_size = + IWL50_NUM_QUEUES * sizeof(struct iwl5000_scd_bc_tbl); + priv->hw_params.tfd_size = sizeof(struct iwl_tfd); + priv->hw_params.max_stations = IWL5000_STATION_COUNT; + priv->hw_params.bcast_sta_id = IWL5000_BROADCAST_ID; + + priv->hw_params.max_data_size = IWL60_RTC_DATA_SIZE; + priv->hw_params.max_inst_size = IWL60_RTC_INST_SIZE; + + priv->hw_params.max_bsm_size = 0; + priv->hw_params.ht40_channel = BIT(IEEE80211_BAND_2GHZ) | + BIT(IEEE80211_BAND_5GHZ); + priv->hw_params.rx_wrt_ptr_reg = FH_RSCSR_CHNL0_WPTR; + + priv->hw_params.tx_chains_num = num_of_ant(priv->cfg->valid_tx_ant); + priv->hw_params.rx_chains_num = num_of_ant(priv->cfg->valid_rx_ant); + priv->hw_params.valid_tx_ant = priv->cfg->valid_tx_ant; + priv->hw_params.valid_rx_ant = priv->cfg->valid_rx_ant; + + if (priv->cfg->ops->lib->temp_ops.set_ct_kill) + priv->cfg->ops->lib->temp_ops.set_ct_kill(priv); + + /* Set initial sensitivity parameters */ + /* Set initial calibration set */ + priv->hw_params.sens = &iwl6000_sensitivity; + priv->hw_params.calib_init_cfg = + BIT(IWL_CALIB_XTAL) | + BIT(IWL_CALIB_LO) | + BIT(IWL_CALIB_TX_IQ) | + BIT(IWL_CALIB_TX_IQ_PERD) | + BIT(IWL_CALIB_BASE_BAND); + + return 0; +} + static struct iwl_lib_ops iwl6000_lib = { - .set_hw_params = iwl5000_hw_set_hw_params, + .set_hw_params = iwl6000_hw_set_hw_params, .txq_update_byte_cnt_tbl = iwl5000_txq_update_byte_cnt_tbl, .txq_inval_byte_cnt_tbl = iwl5000_txq_inval_byte_cnt_tbl, .txq_set_sched = iwl5000_txq_set_sched, @@ -109,7 +193,7 @@ static struct iwl_lib_ops iwl6000_lib = { .apm_ops = { .init = iwl5000_apm_init, .reset = iwl5000_apm_reset, - .stop = iwl5000_apm_stop, + .stop = iwl_apm_stop, .config = iwl6000_nic_config, .set_pwr_src = iwl_set_pwr_src, }, @@ -139,18 +223,12 @@ static struct iwl_lib_ops iwl6000_lib = { }, }; -static struct iwl_hcmd_utils_ops iwl6000_hcmd_utils = { - .get_hcmd_size = iwl5000_get_hcmd_size, - .build_addsta_hcmd = iwl5000_build_addsta_hcmd, - .rts_tx_cmd_flag = iwl5000_rts_tx_cmd_flag, - .calc_rssi = iwl5000_calc_rssi, -}; - static struct iwl_ops iwl6000_ops = { .ucode = &iwl5000_ucode, .lib = &iwl6000_lib, .hcmd = &iwl5000_hcmd, - .utils = &iwl6000_hcmd_utils, + .utils = &iwl5000_hcmd_utils, + .led = &iwlagn_led_ops, }; @@ -165,7 +243,54 @@ struct iwl_cfg iwl6000h_2agn_cfg = { .sku = IWL_SKU_A|IWL_SKU_G|IWL_SKU_N, .ops = &iwl6000_ops, .eeprom_size = OTP_LOW_IMAGE_SIZE, - .eeprom_ver = EEPROM_5000_EEPROM_VERSION, + .eeprom_ver = EEPROM_6000_EEPROM_VERSION, + .eeprom_calib_ver = EEPROM_5000_TX_POWER_VERSION, + .mod_params = &iwl50_mod_params, + .valid_tx_ant = ANT_AB, + .valid_rx_ant = ANT_AB, + .need_pll_cfg = false, + .pa_type = IWL_PA_HYBRID, + .max_ll_items = OTP_MAX_LL_ITEMS_6x00, + .shadow_ram_support = true, + .ht_greenfield_support = true, + .led_compensation = 51, + .use_rts_for_ht = true, /* use rts/cts protection */ + .chain_noise_num_beacons = IWL_CAL_NUM_BEACONS, + .supports_idle = true, +}; + +struct iwl_cfg iwl6000h_2abg_cfg = { + .name = "6000 Series 2x2 ABG", + .fw_name_pre = IWL6000_FW_PRE, + .ucode_api_max = IWL6000_UCODE_API_MAX, + .ucode_api_min = IWL6000_UCODE_API_MIN, + .sku = IWL_SKU_A|IWL_SKU_G, + .ops = &iwl6000_ops, + .eeprom_size = OTP_LOW_IMAGE_SIZE, + .eeprom_ver = EEPROM_6000_EEPROM_VERSION, + .eeprom_calib_ver = EEPROM_5000_TX_POWER_VERSION, + .mod_params = &iwl50_mod_params, + .valid_tx_ant = ANT_AB, + .valid_rx_ant = ANT_AB, + .need_pll_cfg = false, + .pa_type = IWL_PA_HYBRID, + .max_ll_items = OTP_MAX_LL_ITEMS_6x00, + .shadow_ram_support = true, + .ht_greenfield_support = true, + .led_compensation = 51, + .chain_noise_num_beacons = IWL_CAL_NUM_BEACONS, + .supports_idle = true, +}; + +struct iwl_cfg iwl6000h_2bg_cfg = { + .name = "6000 Series 2x2 BG", + .fw_name_pre = IWL6000_FW_PRE, + .ucode_api_max = IWL6000_UCODE_API_MAX, + .ucode_api_min = IWL6000_UCODE_API_MIN, + .sku = IWL_SKU_G, + .ops = &iwl6000_ops, + .eeprom_size = OTP_LOW_IMAGE_SIZE, + .eeprom_ver = EEPROM_6000_EEPROM_VERSION, .eeprom_calib_ver = EEPROM_5000_TX_POWER_VERSION, .mod_params = &iwl50_mod_params, .valid_tx_ant = ANT_AB, @@ -175,6 +300,9 @@ struct iwl_cfg iwl6000h_2agn_cfg = { .max_ll_items = OTP_MAX_LL_ITEMS_6x00, .shadow_ram_support = true, .ht_greenfield_support = true, + .led_compensation = 51, + .chain_noise_num_beacons = IWL_CAL_NUM_BEACONS, + .supports_idle = true, }; /* @@ -188,7 +316,54 @@ struct iwl_cfg iwl6000i_2agn_cfg = { .sku = IWL_SKU_A|IWL_SKU_G|IWL_SKU_N, .ops = &iwl6000_ops, .eeprom_size = OTP_LOW_IMAGE_SIZE, - .eeprom_ver = EEPROM_5000_EEPROM_VERSION, + .eeprom_ver = EEPROM_6000_EEPROM_VERSION, + .eeprom_calib_ver = EEPROM_5000_TX_POWER_VERSION, + .mod_params = &iwl50_mod_params, + .valid_tx_ant = ANT_BC, + .valid_rx_ant = ANT_BC, + .need_pll_cfg = false, + .pa_type = IWL_PA_INTERNAL, + .max_ll_items = OTP_MAX_LL_ITEMS_6x00, + .shadow_ram_support = true, + .ht_greenfield_support = true, + .led_compensation = 51, + .use_rts_for_ht = true, /* use rts/cts protection */ + .chain_noise_num_beacons = IWL_CAL_NUM_BEACONS, + .supports_idle = true, +}; + +struct iwl_cfg iwl6000i_2abg_cfg = { + .name = "6000 Series 2x2 ABG", + .fw_name_pre = IWL6000_FW_PRE, + .ucode_api_max = IWL6000_UCODE_API_MAX, + .ucode_api_min = IWL6000_UCODE_API_MIN, + .sku = IWL_SKU_A|IWL_SKU_G, + .ops = &iwl6000_ops, + .eeprom_size = OTP_LOW_IMAGE_SIZE, + .eeprom_ver = EEPROM_6000_EEPROM_VERSION, + .eeprom_calib_ver = EEPROM_5000_TX_POWER_VERSION, + .mod_params = &iwl50_mod_params, + .valid_tx_ant = ANT_BC, + .valid_rx_ant = ANT_BC, + .need_pll_cfg = false, + .pa_type = IWL_PA_INTERNAL, + .max_ll_items = OTP_MAX_LL_ITEMS_6x00, + .shadow_ram_support = true, + .ht_greenfield_support = true, + .led_compensation = 51, + .chain_noise_num_beacons = IWL_CAL_NUM_BEACONS, + .supports_idle = true, +}; + +struct iwl_cfg iwl6000i_2bg_cfg = { + .name = "6000 Series 2x2 BG", + .fw_name_pre = IWL6000_FW_PRE, + .ucode_api_max = IWL6000_UCODE_API_MAX, + .ucode_api_min = IWL6000_UCODE_API_MIN, + .sku = IWL_SKU_G, + .ops = &iwl6000_ops, + .eeprom_size = OTP_LOW_IMAGE_SIZE, + .eeprom_ver = EEPROM_6000_EEPROM_VERSION, .eeprom_calib_ver = EEPROM_5000_TX_POWER_VERSION, .mod_params = &iwl50_mod_params, .valid_tx_ant = ANT_BC, @@ -198,6 +373,9 @@ struct iwl_cfg iwl6000i_2agn_cfg = { .max_ll_items = OTP_MAX_LL_ITEMS_6x00, .shadow_ram_support = true, .ht_greenfield_support = true, + .led_compensation = 51, + .chain_noise_num_beacons = IWL_CAL_NUM_BEACONS, + .supports_idle = true, }; struct iwl_cfg iwl6050_2agn_cfg = { @@ -208,7 +386,31 @@ struct iwl_cfg iwl6050_2agn_cfg = { .sku = IWL_SKU_A|IWL_SKU_G|IWL_SKU_N, .ops = &iwl6000_ops, .eeprom_size = OTP_LOW_IMAGE_SIZE, - .eeprom_ver = EEPROM_5000_EEPROM_VERSION, + .eeprom_ver = EEPROM_6000_EEPROM_VERSION, + .eeprom_calib_ver = EEPROM_5000_TX_POWER_VERSION, + .mod_params = &iwl50_mod_params, + .valid_tx_ant = ANT_AB, + .valid_rx_ant = ANT_AB, + .need_pll_cfg = false, + .pa_type = IWL_PA_SYSTEM, + .max_ll_items = OTP_MAX_LL_ITEMS_6x00, + .shadow_ram_support = true, + .ht_greenfield_support = true, + .led_compensation = 51, + .use_rts_for_ht = true, /* use rts/cts protection */ + .chain_noise_num_beacons = IWL_CAL_NUM_BEACONS, + .supports_idle = true, +}; + +struct iwl_cfg iwl6050_2abg_cfg = { + .name = "6050 Series 2x2 ABG", + .fw_name_pre = IWL6050_FW_PRE, + .ucode_api_max = IWL6050_UCODE_API_MAX, + .ucode_api_min = IWL6050_UCODE_API_MIN, + .sku = IWL_SKU_A|IWL_SKU_G, + .ops = &iwl6000_ops, + .eeprom_size = OTP_LOW_IMAGE_SIZE, + .eeprom_ver = EEPROM_6000_EEPROM_VERSION, .eeprom_calib_ver = EEPROM_5000_TX_POWER_VERSION, .mod_params = &iwl50_mod_params, .valid_tx_ant = ANT_AB, @@ -218,6 +420,9 @@ struct iwl_cfg iwl6050_2agn_cfg = { .max_ll_items = OTP_MAX_LL_ITEMS_6x00, .shadow_ram_support = true, .ht_greenfield_support = true, + .led_compensation = 51, + .chain_noise_num_beacons = IWL_CAL_NUM_BEACONS, + .supports_idle = true, }; struct iwl_cfg iwl6000_3agn_cfg = { @@ -228,7 +433,7 @@ struct iwl_cfg iwl6000_3agn_cfg = { .sku = IWL_SKU_A|IWL_SKU_G|IWL_SKU_N, .ops = &iwl6000_ops, .eeprom_size = OTP_LOW_IMAGE_SIZE, - .eeprom_ver = EEPROM_5000_EEPROM_VERSION, + .eeprom_ver = EEPROM_6000_EEPROM_VERSION, .eeprom_calib_ver = EEPROM_5000_TX_POWER_VERSION, .mod_params = &iwl50_mod_params, .valid_tx_ant = ANT_ABC, @@ -238,6 +443,10 @@ struct iwl_cfg iwl6000_3agn_cfg = { .max_ll_items = OTP_MAX_LL_ITEMS_6x00, .shadow_ram_support = true, .ht_greenfield_support = true, + .led_compensation = 51, + .use_rts_for_ht = true, /* use rts/cts protection */ + .chain_noise_num_beacons = IWL_CAL_NUM_BEACONS, + .supports_idle = true, }; struct iwl_cfg iwl6050_3agn_cfg = { @@ -248,7 +457,7 @@ struct iwl_cfg iwl6050_3agn_cfg = { .sku = IWL_SKU_A|IWL_SKU_G|IWL_SKU_N, .ops = &iwl6000_ops, .eeprom_size = OTP_LOW_IMAGE_SIZE, - .eeprom_ver = EEPROM_5000_EEPROM_VERSION, + .eeprom_ver = EEPROM_6000_EEPROM_VERSION, .eeprom_calib_ver = EEPROM_5000_TX_POWER_VERSION, .mod_params = &iwl50_mod_params, .valid_tx_ant = ANT_ABC, @@ -258,6 +467,10 @@ struct iwl_cfg iwl6050_3agn_cfg = { .max_ll_items = OTP_MAX_LL_ITEMS_6x00, .shadow_ram_support = true, .ht_greenfield_support = true, + .led_compensation = 51, + .use_rts_for_ht = true, /* use rts/cts protection */ + .chain_noise_num_beacons = IWL_CAL_NUM_BEACONS, + .supports_idle = true, }; MODULE_FIRMWARE(IWL6000_MODULE_FIRMWARE(IWL6000_UCODE_API_MAX)); diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-led.c b/drivers/net/wireless/iwlwifi/iwl-agn-led.c new file mode 100644 index 00000000000..3bccba20f6d --- /dev/null +++ b/drivers/net/wireless/iwlwifi/iwl-agn-led.c @@ -0,0 +1,85 @@ +/****************************************************************************** + * + * Copyright(c) 2003 - 2009 Intel Corporation. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of version 2 of the GNU General Public License as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License along with + * this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA + * + * The full GNU General Public License is included in this distribution in the + * file called LICENSE. + * + * Contact Information: + * Intel Linux Wireless <ilw@linux.intel.com> + * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 + * + *****************************************************************************/ + +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/init.h> +#include <linux/pci.h> +#include <linux/dma-mapping.h> +#include <linux/delay.h> +#include <linux/skbuff.h> +#include <linux/netdevice.h> +#include <linux/wireless.h> +#include <net/mac80211.h> +#include <linux/etherdevice.h> +#include <asm/unaligned.h> + +#include "iwl-commands.h" +#include "iwl-dev.h" +#include "iwl-core.h" +#include "iwl-io.h" +#include "iwl-agn-led.h" + +/* Send led command */ +static int iwl_send_led_cmd(struct iwl_priv *priv, struct iwl_led_cmd *led_cmd) +{ + struct iwl_host_cmd cmd = { + .id = REPLY_LEDS_CMD, + .len = sizeof(struct iwl_led_cmd), + .data = led_cmd, + .flags = CMD_ASYNC, + .callback = NULL, + }; + u32 reg; + + reg = iwl_read32(priv, CSR_LED_REG); + if (reg != (reg & CSR_LED_BSM_CTRL_MSK)) + iwl_write32(priv, CSR_LED_REG, reg & CSR_LED_BSM_CTRL_MSK); + + return iwl_send_cmd(priv, &cmd); +} + +/* Set led register off */ +static int iwl_led_on_reg(struct iwl_priv *priv) +{ + IWL_DEBUG_LED(priv, "led on\n"); + iwl_write32(priv, CSR_LED_REG, CSR_LED_REG_TRUN_ON); + return 0; +} + +/* Set led register off */ +static int iwl_led_off_reg(struct iwl_priv *priv) +{ + IWL_DEBUG_LED(priv, "LED Reg off\n"); + iwl_write32(priv, CSR_LED_REG, CSR_LED_REG_TRUN_OFF); + return 0; +} + +const struct iwl_led_ops iwlagn_led_ops = { + .cmd = iwl_send_led_cmd, + .on = iwl_led_on_reg, + .off = iwl_led_off_reg, +}; diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-led.h b/drivers/net/wireless/iwlwifi/iwl-agn-led.h new file mode 100644 index 00000000000..ab55f92a161 --- /dev/null +++ b/drivers/net/wireless/iwlwifi/iwl-agn-led.h @@ -0,0 +1,32 @@ +/****************************************************************************** + * + * Copyright(c) 2003 - 2009 Intel Corporation. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of version 2 of the GNU General Public License as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License along with + * this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA + * + * The full GNU General Public License is included in this distribution in the + * file called LICENSE. + * + * Contact Information: + * Intel Linux Wireless <ilw@linux.intel.com> + * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 + * + *****************************************************************************/ + +#ifndef __iwl_agn_led_h__ +#define __iwl_agn_led_h__ + +extern const struct iwl_led_ops iwlagn_led_ops; + +#endif /* __iwl_agn_led_h__ */ diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-rs.c b/drivers/net/wireless/iwlwifi/iwl-agn-rs.c index 346dc06fa7b..a07be29cc5e 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn-rs.c +++ b/drivers/net/wireless/iwlwifi/iwl-agn-rs.c @@ -171,6 +171,8 @@ struct iwl_lq_sta { int last_txrate_idx; /* last tx rate_n_flags */ u32 last_rate_n_flags; + /* packets destined for this STA are aggregated */ + u8 is_agg; }; static void rs_rate_scale_perform(struct iwl_priv *priv, @@ -190,84 +192,78 @@ static void rs_dbgfs_set_mcs(struct iwl_lq_sta *lq_sta, {} #endif -/* - * Expected throughput metrics for following rates: - * 1, 2, 5.5, 11, 6, 9, 12, 18, 24, 36, 48, 54, 60 MBits - * "G" is the only table that supports CCK (the first 4 rates). +/** + * The following tables contain the expected throughput metrics for all rates + * + * 1, 2, 5.5, 11, 6, 9, 12, 18, 24, 36, 48, 54, 60 MBits + * + * where invalid entries are zeros. + * + * CCK rates are only valid in legacy table and will only be used in G + * (2.4 GHz) band. */ -static s32 expected_tpt_A[IWL_RATE_COUNT] = { - 0, 0, 0, 0, 40, 57, 72, 98, 121, 154, 177, 186, 186 -}; - -static s32 expected_tpt_G[IWL_RATE_COUNT] = { - 7, 13, 35, 58, 40, 57, 72, 98, 121, 154, 177, 186, 186 -}; - -static s32 expected_tpt_siso20MHz[IWL_RATE_COUNT] = { - 0, 0, 0, 0, 42, 42, 76, 102, 124, 159, 183, 193, 202 -}; - -static s32 expected_tpt_siso20MHzSGI[IWL_RATE_COUNT] = { - 0, 0, 0, 0, 46, 46, 82, 110, 132, 168, 192, 202, 211 -}; - -static s32 expected_tpt_mimo2_20MHz[IWL_RATE_COUNT] = { - 0, 0, 0, 0, 74, 74, 123, 155, 179, 214, 236, 244, 251 +static s32 expected_tpt_legacy[IWL_RATE_COUNT] = { + 7, 13, 35, 58, 40, 57, 72, 98, 121, 154, 177, 186, 0 }; -static s32 expected_tpt_mimo2_20MHzSGI[IWL_RATE_COUNT] = { - 0, 0, 0, 0, 81, 81, 131, 164, 188, 222, 243, 251, 257 +static s32 expected_tpt_siso20MHz[4][IWL_RATE_COUNT] = { + {0, 0, 0, 0, 42, 0, 76, 102, 124, 158, 183, 193, 202}, /* Norm */ + {0, 0, 0, 0, 46, 0, 82, 110, 132, 167, 192, 202, 210}, /* SGI */ + {0, 0, 0, 0, 48, 0, 93, 135, 176, 251, 319, 351, 381}, /* AGG */ + {0, 0, 0, 0, 53, 0, 102, 149, 193, 275, 348, 381, 413}, /* AGG+SGI */ }; -static s32 expected_tpt_siso40MHz[IWL_RATE_COUNT] = { - 0, 0, 0, 0, 77, 77, 127, 160, 184, 220, 242, 250, 257 +static s32 expected_tpt_siso40MHz[4][IWL_RATE_COUNT] = { + {0, 0, 0, 0, 77, 0, 127, 160, 184, 220, 242, 250, 257}, /* Norm */ + {0, 0, 0, 0, 83, 0, 135, 169, 193, 229, 250, 257, 264}, /* SGI */ + {0, 0, 0, 0, 96, 0, 182, 259, 328, 451, 553, 598, 640}, /* AGG */ + {0, 0, 0, 0, 106, 0, 199, 282, 357, 487, 593, 640, 683}, /* AGG+SGI */ }; -static s32 expected_tpt_siso40MHzSGI[IWL_RATE_COUNT] = { - 0, 0, 0, 0, 83, 83, 135, 169, 193, 229, 250, 257, 264 +static s32 expected_tpt_mimo2_20MHz[4][IWL_RATE_COUNT] = { + {0, 0, 0, 0, 74, 0, 123, 155, 179, 213, 235, 243, 250}, /* Norm */ + {0, 0, 0, 0, 81, 0, 131, 164, 187, 221, 242, 250, 256}, /* SGI */ + {0, 0, 0, 0, 92, 0, 175, 250, 317, 436, 534, 578, 619}, /* AGG */ + {0, 0, 0, 0, 102, 0, 192, 273, 344, 470, 573, 619, 660}, /* AGG+SGI*/ }; -static s32 expected_tpt_mimo2_40MHz[IWL_RATE_COUNT] = { - 0, 0, 0, 0, 123, 123, 182, 214, 235, 264, 279, 285, 289 +static s32 expected_tpt_mimo2_40MHz[4][IWL_RATE_COUNT] = { + {0, 0, 0, 0, 123, 0, 182, 214, 235, 264, 279, 285, 289}, /* Norm */ + {0, 0, 0, 0, 131, 0, 191, 222, 242, 270, 284, 289, 293}, /* SGI */ + {0, 0, 0, 0, 180, 0, 327, 446, 545, 708, 828, 878, 922}, /* AGG */ + {0, 0, 0, 0, 197, 0, 355, 481, 584, 752, 872, 922, 966}, /* AGG+SGI */ }; -static s32 expected_tpt_mimo2_40MHzSGI[IWL_RATE_COUNT] = { - 0, 0, 0, 0, 131, 131, 191, 222, 242, 270, 284, 289, 293 +static s32 expected_tpt_mimo3_20MHz[4][IWL_RATE_COUNT] = { + {0, 0, 0, 0, 99, 0, 153, 186, 208, 239, 256, 263, 268}, /* Norm */ + {0, 0, 0, 0, 106, 0, 162, 194, 215, 246, 262, 268, 273}, /* SGI */ + {0, 0, 0, 0, 134, 0, 249, 346, 431, 574, 685, 732, 775}, /* AGG */ + {0, 0, 0, 0, 148, 0, 272, 376, 465, 614, 727, 775, 818}, /* AGG+SGI */ }; -/* Expected throughput metric MIMO3 */ -static s32 expected_tpt_mimo3_20MHz[IWL_RATE_COUNT] = { - 0, 0, 0, 0, 99, 99, 153, 186, 208, 239, 256, 263, 268 -}; - -static s32 expected_tpt_mimo3_20MHzSGI[IWL_RATE_COUNT] = { - 0, 0, 0, 0, 106, 106, 162, 194, 215, 246, 262, 268, 273 -}; - -static s32 expected_tpt_mimo3_40MHz[IWL_RATE_COUNT] = { - 0, 0, 0, 0, 152, 152, 211, 239, 255, 279, 290, 294, 297 -}; - -static s32 expected_tpt_mimo3_40MHzSGI[IWL_RATE_COUNT] = { - 0, 0, 0, 0, 160, 160, 219, 245, 261, 284, 294, 297, 300 +static s32 expected_tpt_mimo3_40MHz[4][IWL_RATE_COUNT] = { + {0, 0, 0, 0, 152, 0, 211, 239, 255, 279, 290, 294, 297}, /* Norm */ + {0, 0, 0, 0, 160, 0, 219, 245, 261, 284, 294, 297, 300}, /* SGI */ + {0, 0, 0, 0, 254, 0, 443, 584, 695, 868, 984, 1030, 1070}, /* AGG */ + {0, 0, 0, 0, 277, 0, 478, 624, 737, 911, 1026, 1070, 1109}, /* AGG+SGI */ }; /* mbps, mcs */ const static struct iwl_rate_mcs_info iwl_rate_mcs[IWL_RATE_COUNT] = { - {"1", ""}, - {"2", ""}, - {"5.5", ""}, - {"11", ""}, - {"6", "BPSK 1/2"}, - {"9", "BPSK 1/2"}, - {"12", "QPSK 1/2"}, - {"18", "QPSK 3/4"}, - {"24", "16QAM 1/2"}, - {"36", "16QAM 3/4"}, - {"48", "64QAM 2/3"}, - {"54", "64QAM 3/4"}, - {"60", "64QAM 5/6"} + { "1", "BPSK DSSS"}, + { "2", "QPSK DSSS"}, + {"5.5", "BPSK CCK"}, + { "11", "QPSK CCK"}, + { "6", "BPSK 1/2"}, + { "9", "BPSK 1/2"}, + { "12", "QPSK 1/2"}, + { "18", "QPSK 3/4"}, + { "24", "16QAM 1/2"}, + { "36", "16QAM 3/4"}, + { "48", "64QAM 2/3"}, + { "54", "64QAM 3/4"}, + { "60", "64QAM 5/6"}, }; #define MCS_INDEX_PER_STREAM (8) @@ -418,6 +414,15 @@ static void rs_tl_turn_on_agg(struct iwl_priv *priv, u8 tid, else if (tid == IWL_AGG_ALL_TID) for (tid = 0; tid < TID_MAX_LOAD_COUNT; tid++) rs_tl_turn_on_agg_for_tid(priv, lq_data, tid, sta); + if (priv->cfg->use_rts_for_ht) { + /* + * switch to RTS/CTS if it is the prefer protection method + * for HT traffic + */ + IWL_DEBUG_HT(priv, "use RTS/CTS protection for HT\n"); + priv->staging_rxon.flags &= ~RXON_FLG_SELF_CTS_EN; + iwlcore_commit_rxon(priv); + } } static inline int get_num_of_ant_from_rate(u32 rate_n_flags) @@ -435,7 +440,7 @@ static inline int get_num_of_ant_from_rate(u32 rate_n_flags) * packets. */ static int rs_collect_tx_data(struct iwl_rate_scale_data *windows, - int scale_index, s32 tpt, int retries, + int scale_index, s32 tpt, int attempts, int successes) { struct iwl_rate_scale_data *window = NULL; @@ -445,7 +450,7 @@ static int rs_collect_tx_data(struct iwl_rate_scale_data *windows, if (scale_index < 0 || scale_index >= IWL_RATE_COUNT) return -EINVAL; - /* Select data for current tx bit rate */ + /* Select window for current tx bit rate */ window = &(windows[scale_index]); /* @@ -456,7 +461,7 @@ static int rs_collect_tx_data(struct iwl_rate_scale_data *windows, * subtract "1" from the success counter (this is the main reason * we keep these bitmaps!). */ - while (retries > 0) { + while (attempts > 0) { if (window->counter >= IWL_RATE_MAX_WINDOW) { /* remove earliest */ @@ -471,17 +476,17 @@ static int rs_collect_tx_data(struct iwl_rate_scale_data *windows, /* Increment frames-attempted counter */ window->counter++; - /* Shift bitmap by one frame (throw away oldest history), - * OR in "1", and increment "success" if this - * frame was successful. */ + /* Shift bitmap by one frame to throw away oldest history */ window->data <<= 1; + + /* Mark the most recent #successes attempts as successful */ if (successes > 0) { window->success_counter++; window->data |= 0x1; successes--; } - retries--; + attempts--; } /* Calculate current success ratio, avoid divide-by-0! */ @@ -662,7 +667,7 @@ static int rs_toggle_antenna(u32 valid_ant, u32 *rate_n_flags, * there are no non-GF stations present in the BSS. */ static inline u8 rs_use_green(struct ieee80211_sta *sta, - struct iwl_ht_info *ht_conf) + struct iwl_ht_config *ht_conf) { return (sta->ht_cap.cap & IEEE80211_HT_CAP_GRN_FLD) && !(ht_conf->non_GF_STA_present); @@ -812,27 +817,45 @@ out: } /* + * Simple function to compare two rate scale table types + */ +static bool table_type_matches(struct iwl_scale_tbl_info *a, + struct iwl_scale_tbl_info *b) +{ + return (a->lq_type == b->lq_type) && (a->ant_type == b->ant_type) && + (a->is_SGI == b->is_SGI); +} +/* + * Static function to get the expected throughput from an iwl_scale_tbl_info + * that wraps a NULL pointer check + */ +static s32 get_expected_tpt(struct iwl_scale_tbl_info *tbl, int rs_index) +{ + if (tbl->expected_tpt) + return tbl->expected_tpt[rs_index]; + return 0; +} + +/* * mac80211 sends us Tx status */ static void rs_tx_status(void *priv_r, struct ieee80211_supported_band *sband, struct ieee80211_sta *sta, void *priv_sta, struct sk_buff *skb) { - int status; - u8 retries; - int rs_index, mac_index, index = 0; + int legacy_success; + int retries; + int rs_index, mac_index, i; struct iwl_lq_sta *lq_sta = priv_sta; struct iwl_link_quality_cmd *table; struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data; struct iwl_priv *priv = (struct iwl_priv *)priv_r; struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); struct iwl_rate_scale_data *window = NULL; - struct iwl_rate_scale_data *search_win = NULL; enum mac80211_rate_control_flags mac_flags; u32 tx_rate; struct iwl_scale_tbl_info tbl_type; - struct iwl_scale_tbl_info *curr_tbl, *search_tbl; - u8 active_index = 0; + struct iwl_scale_tbl_info *curr_tbl, *other_tbl; s32 tpt = 0; IWL_DEBUG_RATE_LIMIT(priv, "get frame ack response, update rate scale window\n"); @@ -841,30 +864,14 @@ static void rs_tx_status(void *priv_r, struct ieee80211_supported_band *sband, info->flags & IEEE80211_TX_CTL_NO_ACK) return; - /* This packet was aggregated but doesn't carry rate scale info */ + /* This packet was aggregated but doesn't carry status info */ if ((info->flags & IEEE80211_TX_CTL_AMPDU) && !(info->flags & IEEE80211_TX_STAT_AMPDU)) return; - if (info->flags & IEEE80211_TX_STAT_AMPDU) - retries = 0; - else - retries = info->status.rates[0].count - 1; - - if (retries > 15) - retries = 15; - if ((priv->iw_mode == NL80211_IFTYPE_ADHOC) && !lq_sta->ibss_sta_added) - goto out; - - table = &lq_sta->lq; - active_index = lq_sta->active_tbl; - - curr_tbl = &(lq_sta->lq_info[active_index]); - search_tbl = &(lq_sta->lq_info[(1 - active_index)]); - window = (struct iwl_rate_scale_data *)&(curr_tbl->win[0]); - search_win = (struct iwl_rate_scale_data *)&(search_tbl->win[0]); + return; /* * Ignore this Tx frame response if its initial rate doesn't match @@ -874,6 +881,7 @@ static void rs_tx_status(void *priv_r, struct ieee80211_supported_band *sband, * to check "search" mode, or a prior "search" mode after we've moved * to a new "search" mode (which might become the new "active" mode). */ + table = &lq_sta->lq; tx_rate = le32_to_cpu(table->rs_table[0].rate_n_flags); rs_get_tbl_info_from_mcs(tx_rate, priv->band, &tbl_type, &rs_index); if (priv->band == IEEE80211_BAND_5GHZ) @@ -892,7 +900,7 @@ static void rs_tx_status(void *priv_r, struct ieee80211_supported_band *sband, if (priv->band == IEEE80211_BAND_2GHZ) mac_index += IWL_FIRST_OFDM_RATE; } - + /* Here we actually compare this rate to the latest LQ command */ if ((mac_index < 0) || (tbl_type.is_SGI != !!(mac_flags & IEEE80211_TX_RC_SHORT_GI)) || (tbl_type.is_ht40 != !!(mac_flags & IEEE80211_TX_RC_40_MHZ_WIDTH)) || @@ -902,124 +910,106 @@ static void rs_tx_status(void *priv_r, struct ieee80211_supported_band *sband, (!!(tx_rate & RATE_MCS_GF_MSK) != !!(mac_flags & IEEE80211_TX_RC_GREEN_FIELD)) || (rs_index != mac_index)) { IWL_DEBUG_RATE(priv, "initial rate %d does not match %d (0x%x)\n", mac_index, rs_index, tx_rate); - /* the last LQ command could failed so the LQ in ucode not - * the same in driver sync up + /* + * Since rates mis-match, the last LQ command may have failed. + * After IWL_MISSED_RATE_MAX mis-matches, resync the uCode with + * ... driver. */ lq_sta->missed_rate_counter++; if (lq_sta->missed_rate_counter > IWL_MISSED_RATE_MAX) { lq_sta->missed_rate_counter = 0; iwl_send_lq_cmd(priv, &lq_sta->lq, CMD_ASYNC); } - goto out; + /* Regardless, ignore this status info for outdated rate */ + return; + } else + /* Rate did match, so reset the missed_rate_counter */ + lq_sta->missed_rate_counter = 0; + + /* Figure out if rate scale algorithm is in active or search table */ + if (table_type_matches(&tbl_type, + &(lq_sta->lq_info[lq_sta->active_tbl]))) { + curr_tbl = &(lq_sta->lq_info[lq_sta->active_tbl]); + other_tbl = &(lq_sta->lq_info[1 - lq_sta->active_tbl]); + } else if (table_type_matches(&tbl_type, + &lq_sta->lq_info[1 - lq_sta->active_tbl])) { + curr_tbl = &(lq_sta->lq_info[1 - lq_sta->active_tbl]); + other_tbl = &(lq_sta->lq_info[lq_sta->active_tbl]); + } else { + IWL_DEBUG_RATE(priv, "Neither active nor search matches tx rate\n"); + return; } + window = (struct iwl_rate_scale_data *)&(curr_tbl->win[0]); - lq_sta->missed_rate_counter = 0; - /* Update frame history window with "failure" for each Tx retry. */ - while (retries) { - /* Look up the rate and other info used for each tx attempt. - * Each tx attempt steps one entry deeper in the rate table. */ - tx_rate = le32_to_cpu(table->rs_table[index].rate_n_flags); - rs_get_tbl_info_from_mcs(tx_rate, priv->band, - &tbl_type, &rs_index); - - /* If type matches "search" table, - * add failure to "search" history */ - if ((tbl_type.lq_type == search_tbl->lq_type) && - (tbl_type.ant_type == search_tbl->ant_type) && - (tbl_type.is_SGI == search_tbl->is_SGI)) { - if (search_tbl->expected_tpt) - tpt = search_tbl->expected_tpt[rs_index]; - else - tpt = 0; - rs_collect_tx_data(search_win, rs_index, tpt, 1, 0); - - /* Else if type matches "current/active" table, - * add failure to "current/active" history */ - } else if ((tbl_type.lq_type == curr_tbl->lq_type) && - (tbl_type.ant_type == curr_tbl->ant_type) && - (tbl_type.is_SGI == curr_tbl->is_SGI)) { - if (curr_tbl->expected_tpt) - tpt = curr_tbl->expected_tpt[rs_index]; - else - tpt = 0; - rs_collect_tx_data(window, rs_index, tpt, 1, 0); + /* + * Updating the frame history depends on whether packets were + * aggregated. + * + * For aggregation, all packets were transmitted at the same rate, the + * first index into rate scale table. + */ + if (info->flags & IEEE80211_TX_STAT_AMPDU) { + tx_rate = le32_to_cpu(table->rs_table[0].rate_n_flags); + rs_get_tbl_info_from_mcs(tx_rate, priv->band, &tbl_type, + &rs_index); + tpt = get_expected_tpt(curr_tbl, rs_index); + rs_collect_tx_data(window, rs_index, tpt, + info->status.ampdu_ack_len, + info->status.ampdu_ack_map); + + /* Update success/fail counts if not searching for new mode */ + if (lq_sta->stay_in_tbl) { + lq_sta->total_success += info->status.ampdu_ack_map; + lq_sta->total_failed += (info->status.ampdu_ack_len - + info->status.ampdu_ack_map); } - - /* If not searching for a new mode, increment failed counter - * ... this helps determine when to start searching again */ - if (lq_sta->stay_in_tbl) - lq_sta->total_failed++; - --retries; - index++; - - } - + } else { /* - * Find (by rate) the history window to update with final Tx attempt; - * if Tx was successful first try, use original rate, - * else look up the rate that was, finally, successful. + * For legacy, update frame history with for each Tx retry. */ - tx_rate = le32_to_cpu(table->rs_table[index].rate_n_flags); - lq_sta->last_rate_n_flags = tx_rate; - rs_get_tbl_info_from_mcs(tx_rate, priv->band, &tbl_type, &rs_index); - - /* Update frame history window with "success" if Tx got ACKed ... */ - status = !!(info->flags & IEEE80211_TX_STAT_ACK); - - /* If type matches "search" table, - * add final tx status to "search" history */ - if ((tbl_type.lq_type == search_tbl->lq_type) && - (tbl_type.ant_type == search_tbl->ant_type) && - (tbl_type.is_SGI == search_tbl->is_SGI)) { - if (search_tbl->expected_tpt) - tpt = search_tbl->expected_tpt[rs_index]; - else - tpt = 0; - if (info->flags & IEEE80211_TX_STAT_AMPDU) - rs_collect_tx_data(search_win, rs_index, tpt, - info->status.ampdu_ack_len, - info->status.ampdu_ack_map); - else - rs_collect_tx_data(search_win, rs_index, tpt, - 1, status); - /* Else if type matches "current/active" table, - * add final tx status to "current/active" history */ - } else if ((tbl_type.lq_type == curr_tbl->lq_type) && - (tbl_type.ant_type == curr_tbl->ant_type) && - (tbl_type.is_SGI == curr_tbl->is_SGI)) { - if (curr_tbl->expected_tpt) - tpt = curr_tbl->expected_tpt[rs_index]; - else - tpt = 0; - if (info->flags & IEEE80211_TX_STAT_AMPDU) - rs_collect_tx_data(window, rs_index, tpt, - info->status.ampdu_ack_len, - info->status.ampdu_ack_map); - else - rs_collect_tx_data(window, rs_index, tpt, - 1, status); - } + retries = info->status.rates[0].count - 1; + /* HW doesn't send more than 15 retries */ + retries = min(retries, 15); + + /* The last transmission may have been successful */ + legacy_success = !!(info->flags & IEEE80211_TX_STAT_ACK); + /* Collect data for each rate used during failed TX attempts */ + for (i = 0; i <= retries; ++i) { + tx_rate = le32_to_cpu(table->rs_table[i].rate_n_flags); + rs_get_tbl_info_from_mcs(tx_rate, priv->band, + &tbl_type, &rs_index); + /* + * Only collect stats if retried rate is in the same RS + * table as active/search. + */ + if (table_type_matches(&tbl_type, curr_tbl)) + tpt = get_expected_tpt(curr_tbl, rs_index); + else if (table_type_matches(&tbl_type, other_tbl)) + tpt = get_expected_tpt(other_tbl, rs_index); + else + continue; - /* If not searching for new mode, increment success/failed counter - * ... these help determine when to start searching again */ - if (lq_sta->stay_in_tbl) { - if (info->flags & IEEE80211_TX_STAT_AMPDU) { - lq_sta->total_success += info->status.ampdu_ack_map; - lq_sta->total_failed += - (info->status.ampdu_ack_len - info->status.ampdu_ack_map); - } else { - if (status) - lq_sta->total_success++; + /* Constants mean 1 transmission, 0 successes */ + if (i < retries) + rs_collect_tx_data(window, rs_index, tpt, 1, + 0); else - lq_sta->total_failed++; + rs_collect_tx_data(window, rs_index, tpt, 1, + legacy_success); + } + + /* Update success/fail counts if not searching for new mode */ + if (lq_sta->stay_in_tbl) { + lq_sta->total_success += legacy_success; + lq_sta->total_failed += retries + (1 - legacy_success); } } + /* The last TX rate is cached in lq_sta; it's set in if/else above */ + lq_sta->last_rate_n_flags = tx_rate; /* See if there's a better rate or modulation mode to try. */ if (sta && sta->supp_rates[sband->band]) rs_rate_scale_perform(priv, skb, sta, lq_sta); -out: - return; } /* @@ -1057,43 +1047,45 @@ static void rs_set_stay_in_table(struct iwl_priv *priv, u8 is_legacy, static void rs_set_expected_tpt_table(struct iwl_lq_sta *lq_sta, struct iwl_scale_tbl_info *tbl) { + /* Used to choose among HT tables */ + s32 (*ht_tbl_pointer)[IWL_RATE_COUNT]; + + /* Check for invalid LQ type */ + if (WARN_ON_ONCE(!is_legacy(tbl->lq_type) && !is_Ht(tbl->lq_type))) { + tbl->expected_tpt = expected_tpt_legacy; + return; + } + + /* Legacy rates have only one table */ if (is_legacy(tbl->lq_type)) { - if (!is_a_band(tbl->lq_type)) - tbl->expected_tpt = expected_tpt_G; - else - tbl->expected_tpt = expected_tpt_A; - } else if (is_siso(tbl->lq_type)) { - if (tbl->is_ht40 && !lq_sta->is_dup) - if (tbl->is_SGI) - tbl->expected_tpt = expected_tpt_siso40MHzSGI; - else - tbl->expected_tpt = expected_tpt_siso40MHz; - else if (tbl->is_SGI) - tbl->expected_tpt = expected_tpt_siso20MHzSGI; - else - tbl->expected_tpt = expected_tpt_siso20MHz; - } else if (is_mimo2(tbl->lq_type)) { - if (tbl->is_ht40 && !lq_sta->is_dup) - if (tbl->is_SGI) - tbl->expected_tpt = expected_tpt_mimo2_40MHzSGI; - else - tbl->expected_tpt = expected_tpt_mimo2_40MHz; - else if (tbl->is_SGI) - tbl->expected_tpt = expected_tpt_mimo2_20MHzSGI; - else - tbl->expected_tpt = expected_tpt_mimo2_20MHz; - } else if (is_mimo3(tbl->lq_type)) { - if (tbl->is_ht40 && !lq_sta->is_dup) - if (tbl->is_SGI) - tbl->expected_tpt = expected_tpt_mimo3_40MHzSGI; - else - tbl->expected_tpt = expected_tpt_mimo3_40MHz; - else if (tbl->is_SGI) - tbl->expected_tpt = expected_tpt_mimo3_20MHzSGI; - else - tbl->expected_tpt = expected_tpt_mimo3_20MHz; - } else - tbl->expected_tpt = expected_tpt_G; + tbl->expected_tpt = expected_tpt_legacy; + return; + } + + /* Choose among many HT tables depending on number of streams + * (SISO/MIMO2/MIMO3), channel width (20/40), SGI, and aggregation + * status */ + if (is_siso(tbl->lq_type) && (!tbl->is_ht40 || lq_sta->is_dup)) + ht_tbl_pointer = expected_tpt_siso20MHz; + else if (is_siso(tbl->lq_type)) + ht_tbl_pointer = expected_tpt_siso40MHz; + else if (is_mimo2(tbl->lq_type) && (!tbl->is_ht40 || lq_sta->is_dup)) + ht_tbl_pointer = expected_tpt_mimo2_20MHz; + else if (is_mimo2(tbl->lq_type)) + ht_tbl_pointer = expected_tpt_mimo2_40MHz; + else if (is_mimo3(tbl->lq_type) && (!tbl->is_ht40 || lq_sta->is_dup)) + ht_tbl_pointer = expected_tpt_mimo3_20MHz; + else /* if (is_mimo3(tbl->lq_type)) <-- must be true */ + ht_tbl_pointer = expected_tpt_mimo3_40MHz; + + if (!tbl->is_SGI && !lq_sta->is_agg) /* Normal */ + tbl->expected_tpt = ht_tbl_pointer[0]; + else if (tbl->is_SGI && !lq_sta->is_agg) /* SGI */ + tbl->expected_tpt = ht_tbl_pointer[1]; + else if (!tbl->is_SGI && lq_sta->is_agg) /* AGG */ + tbl->expected_tpt = ht_tbl_pointer[2]; + else /* AGG+SGI */ + tbl->expected_tpt = ht_tbl_pointer[3]; } /* @@ -2068,6 +2060,14 @@ static void rs_rate_scale_perform(struct iwl_priv *priv, lq_sta->supp_rates = sta->supp_rates[lq_sta->band]; tid = rs_tl_add_packet(lq_sta, hdr); + if ((tid != MAX_TID_COUNT) && (lq_sta->tx_agg_tid_en & (1 << tid))) { + tid_data = &priv->stations[lq_sta->lq.sta_id].tid[tid]; + if (tid_data->agg.state == IWL_AGG_OFF) + lq_sta->is_agg = 0; + else + lq_sta->is_agg = 1; + } else + lq_sta->is_agg = 0; /* * Select rate-scale / modulation-mode table to work with in @@ -2168,10 +2168,10 @@ static void rs_rate_scale_perform(struct iwl_priv *priv, goto out; } - /* Else we have enough samples; calculate estimate of * actual average throughput */ + /* Sanity-check TPT calculations */ BUG_ON(window->average_tpt != ((window->success_ratio * tbl->expected_tpt[index] + 64) / 128)); @@ -2681,6 +2681,7 @@ static void rs_rate_init(void *priv_r, struct ieee80211_supported_band *sband, lq_sta->last_txrate_idx = rate_lowest_index(sband, sta); if (sband->band == IEEE80211_BAND_5GHZ) lq_sta->last_txrate_idx += IWL_FIRST_OFDM_RATE; + lq_sta->is_agg = 0; rs_initialize_lq(priv, conf, sta, lq_sta); } @@ -2799,7 +2800,7 @@ static void rs_fill_link_cmd(struct iwl_priv *priv, repeat_rate--; } - lq_cmd->agg_params.agg_frame_cnt_limit = LINK_QUAL_AGG_FRAME_LIMIT_MAX; + lq_cmd->agg_params.agg_frame_cnt_limit = LINK_QUAL_AGG_FRAME_LIMIT_DEF; lq_cmd->agg_params.agg_dis_start_th = LINK_QUAL_AGG_DISABLE_START_DEF; lq_cmd->agg_params.agg_time_limit = cpu_to_le16(LINK_QUAL_AGG_TIME_LIMIT_DEF); @@ -2933,8 +2934,9 @@ static ssize_t rs_sta_dbgfs_scale_table_read(struct file *file, ((is_mimo2(tbl->lq_type)) ? "MIMO2" : "MIMO3")); desc += sprintf(buff+desc, " %s", (tbl->is_ht40) ? "40MHz" : "20MHz"); - desc += sprintf(buff+desc, " %s %s\n", (tbl->is_SGI) ? "SGI" : "", - (lq_sta->is_green) ? "GF enabled" : ""); + desc += sprintf(buff+desc, " %s %s %s\n", (tbl->is_SGI) ? "SGI" : "", + (lq_sta->is_green) ? "GF enabled" : "", + (lq_sta->is_agg) ? "AGG on" : ""); } desc += sprintf(buff+desc, "last tx rate=0x%X\n", lq_sta->last_rate_n_flags); diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c index cdc07c47745..046b571fd9c 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn.c +++ b/drivers/net/wireless/iwlwifi/iwl-agn.c @@ -115,9 +115,6 @@ int iwl_commit_rxon(struct iwl_priv *priv) /* always get timestamp with Rx frame */ priv->staging_rxon.flags |= RXON_FLG_TSF2HOST_MSK; - /* allow CTS-to-self if possible. this is relevant only for - * 5000, but will not damage 4965 */ - priv->staging_rxon.flags |= RXON_FLG_SELF_CTS_EN; ret = iwl_check_rxon_cmd(priv); if (ret) { @@ -217,6 +214,13 @@ int iwl_commit_rxon(struct iwl_priv *priv) "Could not send WEP static key.\n"); } + /* + * allow CTS-to-self if possible for new association. + * this is relevant only for 5000 series and up, + * but will not damage 4965 + */ + priv->staging_rxon.flags |= RXON_FLG_SELF_CTS_EN; + /* Apply the new configuration * RXON assoc doesn't clear the station table in uCode, */ @@ -787,6 +791,9 @@ void iwl_rx_handle(struct iwl_priv *priv) PCI_DMA_FROMDEVICE); pkt = (struct iwl_rx_packet *)rxb->skb->data; + trace_iwlwifi_dev_rx(priv, pkt, + le32_to_cpu(pkt->len_n_flags) & FH_RSCSR_FRAME_SIZE_MSK); + /* Reclaim a command buffer only if this packet is a response * to a (driver-originated) command. * If the packet (e.g. Rx frame) originated from uCode, @@ -1606,6 +1613,9 @@ void iwl_dump_nic_error_log(struct iwl_priv *priv) line = iwl_read_targ_mem(priv, base + 9 * sizeof(u32)); time = iwl_read_targ_mem(priv, base + 11 * sizeof(u32)); + trace_iwlwifi_dev_ucode_error(priv, desc, time, data1, data2, line, + blink1, blink2, ilink1, ilink2); + IWL_ERR(priv, "Desc Time " "data1 data2 line\n"); IWL_ERR(priv, "%-28s (#%02d) %010u 0x%08X 0x%08X %u\n", @@ -1654,12 +1664,14 @@ static void iwl_print_event_log(struct iwl_priv *priv, u32 start_idx, ptr += sizeof(u32); if (mode == 0) { /* data, ev */ + trace_iwlwifi_dev_ucode_event(priv, 0, time, ev); IWL_ERR(priv, "EVT_LOG:0x%08x:%04u\n", time, ev); } else { data = iwl_read_targ_mem(priv, ptr); ptr += sizeof(u32); IWL_ERR(priv, "EVT_LOGT:%010u:0x%08x:%04u\n", time, data, ev); + trace_iwlwifi_dev_ucode_event(priv, time, data, ev); } } } @@ -1758,6 +1770,10 @@ static void iwl_alive_start(struct iwl_priv *priv) priv->active_rate = priv->rates_mask; priv->active_rate_basic = priv->rates_mask & IWL_BASIC_RATES_MASK; + /* Configure Tx antenna selection based on H/W config */ + if (priv->cfg->ops->hcmd->set_tx_ant) + priv->cfg->ops->hcmd->set_tx_ant(priv, priv->cfg->valid_tx_ant); + if (iwl_is_associated(priv)) { struct iwl_rxon_cmd *active_rxon = (struct iwl_rxon_cmd *)&priv->active_rxon; @@ -1785,7 +1801,7 @@ static void iwl_alive_start(struct iwl_priv *priv) /* At this point, the NIC is initialized and operational */ iwl_rf_kill_ct_config(priv); - iwl_leds_register(priv); + iwl_leds_init(priv); IWL_DEBUG_INFO(priv, "ALIVE processing complete.\n"); set_bit(STATUS_READY, &priv->status); @@ -1823,8 +1839,6 @@ static void __iwl_down(struct iwl_priv *priv) if (!exit_pending) set_bit(STATUS_EXIT_PENDING, &priv->status); - iwl_leds_unregister(priv); - iwl_clear_stations_table(priv); /* Unblock any waiting calls */ @@ -2323,6 +2337,8 @@ static int iwl_mac_start(struct ieee80211_hw *hw) } } + iwl_led_start(priv); + out: priv->is_open = 1; IWL_DEBUG_MAC80211(priv, "leave\n"); @@ -2794,6 +2810,40 @@ static ssize_t show_statistics(struct device *d, static DEVICE_ATTR(statistics, S_IRUGO, show_statistics, NULL); +static ssize_t show_rts_ht_protection(struct device *d, + struct device_attribute *attr, char *buf) +{ + struct iwl_priv *priv = dev_get_drvdata(d); + + return sprintf(buf, "%s\n", + priv->cfg->use_rts_for_ht ? "RTS/CTS" : "CTS-to-self"); +} + +static ssize_t store_rts_ht_protection(struct device *d, + struct device_attribute *attr, + const char *buf, size_t count) +{ + struct iwl_priv *priv = dev_get_drvdata(d); + unsigned long val; + int ret; + + ret = strict_strtoul(buf, 10, &val); + if (ret) + IWL_INFO(priv, "Input is not in decimal form.\n"); + else { + if (!iwl_is_associated(priv)) + priv->cfg->use_rts_for_ht = val ? true : false; + else + IWL_ERR(priv, "Sta associated with AP - " + "Change protection mechanism is not allowed\n"); + ret = count; + } + return ret; +} + +static DEVICE_ATTR(rts_ht_protection, S_IWUSR | S_IRUGO, + show_rts_ht_protection, store_rts_ht_protection); + /***************************************************************************** * @@ -2850,6 +2900,7 @@ static struct attribute *iwl_sysfs_entries[] = { &dev_attr_statistics.attr, &dev_attr_temperature.attr, &dev_attr_tx_power.attr, + &dev_attr_rts_ht_protection.attr, #ifdef CONFIG_IWLWIFI_DEBUG &dev_attr_debug_level.attr, #endif @@ -3215,20 +3266,51 @@ static struct pci_device_id iwl_hw_card_ids[] = { /* 5150 Wifi/WiMax */ {IWL_PCI_DEVICE(0x423C, PCI_ANY_ID, iwl5150_agn_cfg)}, {IWL_PCI_DEVICE(0x423D, PCI_ANY_ID, iwl5150_agn_cfg)}, -/* 6000/6050 Series */ - {IWL_PCI_DEVICE(0x008D, PCI_ANY_ID, iwl6000h_2agn_cfg)}, - {IWL_PCI_DEVICE(0x008E, PCI_ANY_ID, iwl6000h_2agn_cfg)}, - {IWL_PCI_DEVICE(0x422B, PCI_ANY_ID, iwl6000_3agn_cfg)}, - {IWL_PCI_DEVICE(0x422C, PCI_ANY_ID, iwl6000i_2agn_cfg)}, - {IWL_PCI_DEVICE(0x4238, PCI_ANY_ID, iwl6000_3agn_cfg)}, - {IWL_PCI_DEVICE(0x4239, PCI_ANY_ID, iwl6000i_2agn_cfg)}, - {IWL_PCI_DEVICE(0x0086, PCI_ANY_ID, iwl6050_3agn_cfg)}, - {IWL_PCI_DEVICE(0x0087, PCI_ANY_ID, iwl6050_2agn_cfg)}, - {IWL_PCI_DEVICE(0x0088, PCI_ANY_ID, iwl6050_3agn_cfg)}, - {IWL_PCI_DEVICE(0x0089, PCI_ANY_ID, iwl6050_2agn_cfg)}, + +/* 6x00 Series */ + {IWL_PCI_DEVICE(0x008D, 0x1301, iwl6000h_2agn_cfg)}, + {IWL_PCI_DEVICE(0x008D, 0x1321, iwl6000h_2agn_cfg)}, + {IWL_PCI_DEVICE(0x008D, 0x1326, iwl6000h_2abg_cfg)}, + {IWL_PCI_DEVICE(0x008D, 0x1306, iwl6000h_2abg_cfg)}, + {IWL_PCI_DEVICE(0x008D, 0x1307, iwl6000h_2bg_cfg)}, + {IWL_PCI_DEVICE(0x008E, 0x1311, iwl6000h_2agn_cfg)}, + {IWL_PCI_DEVICE(0x008E, 0x1316, iwl6000h_2abg_cfg)}, + + {IWL_PCI_DEVICE(0x422B, 0x1101, iwl6000_3agn_cfg)}, + {IWL_PCI_DEVICE(0x422B, 0x1121, iwl6000_3agn_cfg)}, + {IWL_PCI_DEVICE(0x422C, 0x1301, iwl6000i_2agn_cfg)}, + {IWL_PCI_DEVICE(0x422C, 0x1306, iwl6000i_2abg_cfg)}, + {IWL_PCI_DEVICE(0x422C, 0x1307, iwl6000i_2bg_cfg)}, + {IWL_PCI_DEVICE(0x422C, 0x1321, iwl6000i_2agn_cfg)}, + {IWL_PCI_DEVICE(0x422C, 0x1326, iwl6000i_2abg_cfg)}, + {IWL_PCI_DEVICE(0x4238, 0x1111, iwl6000_3agn_cfg)}, + {IWL_PCI_DEVICE(0x4239, 0x1311, iwl6000i_2agn_cfg)}, + {IWL_PCI_DEVICE(0x4239, 0x1316, iwl6000i_2abg_cfg)}, + +/* 6x50 WiFi/WiMax Series */ + {IWL_PCI_DEVICE(0x0086, 0x1101, iwl6050_3agn_cfg)}, + {IWL_PCI_DEVICE(0x0086, 0x1121, iwl6050_3agn_cfg)}, + {IWL_PCI_DEVICE(0x0087, 0x1301, iwl6050_2agn_cfg)}, + {IWL_PCI_DEVICE(0x0087, 0x1306, iwl6050_2abg_cfg)}, + {IWL_PCI_DEVICE(0x0087, 0x1321, iwl6050_2agn_cfg)}, + {IWL_PCI_DEVICE(0x0087, 0x1326, iwl6050_2abg_cfg)}, + {IWL_PCI_DEVICE(0x0088, 0x1111, iwl6050_3agn_cfg)}, + {IWL_PCI_DEVICE(0x0089, 0x1311, iwl6050_2agn_cfg)}, + {IWL_PCI_DEVICE(0x0089, 0x1316, iwl6050_2abg_cfg)}, + /* 1000 Series WiFi */ - {IWL_PCI_DEVICE(0x0083, PCI_ANY_ID, iwl1000_bgn_cfg)}, - {IWL_PCI_DEVICE(0x0084, PCI_ANY_ID, iwl1000_bgn_cfg)}, + {IWL_PCI_DEVICE(0x0083, 0x1205, iwl1000_bgn_cfg)}, + {IWL_PCI_DEVICE(0x0083, 0x1305, iwl1000_bgn_cfg)}, + {IWL_PCI_DEVICE(0x0083, 0x1225, iwl1000_bgn_cfg)}, + {IWL_PCI_DEVICE(0x0083, 0x1325, iwl1000_bgn_cfg)}, + {IWL_PCI_DEVICE(0x0084, 0x1215, iwl1000_bgn_cfg)}, + {IWL_PCI_DEVICE(0x0084, 0x1315, iwl1000_bgn_cfg)}, + {IWL_PCI_DEVICE(0x0083, 0x1206, iwl1000_bg_cfg)}, + {IWL_PCI_DEVICE(0x0083, 0x1306, iwl1000_bg_cfg)}, + {IWL_PCI_DEVICE(0x0083, 0x1226, iwl1000_bg_cfg)}, + {IWL_PCI_DEVICE(0x0083, 0x1326, iwl1000_bg_cfg)}, + {IWL_PCI_DEVICE(0x0084, 0x1216, iwl1000_bg_cfg)}, + {IWL_PCI_DEVICE(0x0084, 0x1316, iwl1000_bg_cfg)}, #endif /* CONFIG_IWL5000 */ {0} @@ -3283,9 +3365,9 @@ module_exit(iwl_exit); module_init(iwl_init); #ifdef CONFIG_IWLWIFI_DEBUG -module_param_named(debug50, iwl_debug_level, uint, 0444); +module_param_named(debug50, iwl_debug_level, uint, S_IRUGO); MODULE_PARM_DESC(debug50, "50XX debug output mask (deprecated)"); -module_param_named(debug, iwl_debug_level, uint, 0644); +module_param_named(debug, iwl_debug_level, uint, S_IRUGO | S_IWUSR); MODULE_PARM_DESC(debug, "debug output mask"); #endif diff --git a/drivers/net/wireless/iwlwifi/iwl-calib.c b/drivers/net/wireless/iwlwifi/iwl-calib.c index c4b565a2de9..69a80d7c2e4 100644 --- a/drivers/net/wireless/iwlwifi/iwl-calib.c +++ b/drivers/net/wireless/iwlwifi/iwl-calib.c @@ -516,7 +516,7 @@ void iwl_init_sensitivity(struct iwl_priv *priv) for (i = 0; i < NRG_NUM_PREV_STAT_L; i++) data->nrg_silence_rssi[i] = 0; - data->auto_corr_ofdm = 90; + data->auto_corr_ofdm = ranges->auto_corr_min_ofdm; data->auto_corr_ofdm_mrc = ranges->auto_corr_min_ofdm_mrc; data->auto_corr_ofdm_x1 = ranges->auto_corr_min_ofdm_x1; data->auto_corr_ofdm_mrc_x1 = ranges->auto_corr_min_ofdm_mrc_x1; @@ -643,6 +643,15 @@ void iwl_sensitivity_calibration(struct iwl_priv *priv, } EXPORT_SYMBOL(iwl_sensitivity_calibration); +static inline u8 find_first_chain(u8 mask) +{ + if (mask & ANT_A) + return CHAIN_A; + if (mask & ANT_B) + return CHAIN_B; + return CHAIN_C; +} + /* * Accumulate 20 beacons of signal and noise statistics for each of * 3 receivers/antennas/rx-chains, then figure out: @@ -675,14 +684,17 @@ void iwl_chain_noise_calibration(struct iwl_priv *priv, u8 num_tx_chains; unsigned long flags; struct statistics_rx_non_phy *rx_info = &(stat_resp->rx.general); + u8 first_chain; if (priv->disable_chain_noise_cal) return; data = &(priv->chain_noise_data); - /* Accumulate just the first 20 beacons after the first association, - * then we're done forever. */ + /* + * Accumulate just the first "chain_noise_num_beacons" after + * the first association, then we're done forever. + */ if (data->state != IWL_CHAIN_NOISE_ACCUMULATE) { if (data->state == IWL_CHAIN_NOISE_ALIVE) IWL_DEBUG_CALIB(priv, "Wait for noise calib reset\n"); @@ -710,7 +722,10 @@ void iwl_chain_noise_calibration(struct iwl_priv *priv, return; } - /* Accumulate beacon statistics values across 20 beacons */ + /* + * Accumulate beacon statistics values across + * "chain_noise_num_beacons" + */ chain_noise_a = le32_to_cpu(rx_info->beacon_silence_rssi_a) & IN_BAND_FILTER; chain_noise_b = le32_to_cpu(rx_info->beacon_silence_rssi_b) & @@ -741,16 +756,19 @@ void iwl_chain_noise_calibration(struct iwl_priv *priv, IWL_DEBUG_CALIB(priv, "chain_noise: a %d b %d c %d\n", chain_noise_a, chain_noise_b, chain_noise_c); - /* If this is the 20th beacon, determine: + /* If this is the "chain_noise_num_beacons", determine: * 1) Disconnected antennas (using signal strengths) * 2) Differential gain (using silence noise) to balance receivers */ - if (data->beacon_count != CAL_NUM_OF_BEACONS) + if (data->beacon_count != priv->cfg->chain_noise_num_beacons) return; /* Analyze signal for disconnected antenna */ - average_sig[0] = (data->chain_signal_a) / CAL_NUM_OF_BEACONS; - average_sig[1] = (data->chain_signal_b) / CAL_NUM_OF_BEACONS; - average_sig[2] = (data->chain_signal_c) / CAL_NUM_OF_BEACONS; + average_sig[0] = + (data->chain_signal_a) / priv->cfg->chain_noise_num_beacons; + average_sig[1] = + (data->chain_signal_b) / priv->cfg->chain_noise_num_beacons; + average_sig[2] = + (data->chain_signal_c) / priv->cfg->chain_noise_num_beacons; if (average_sig[0] >= average_sig[1]) { max_average_sig = average_sig[0]; @@ -803,13 +821,17 @@ void iwl_chain_noise_calibration(struct iwl_priv *priv, /* there is a Tx antenna connected */ break; if (num_tx_chains == priv->hw_params.tx_chains_num && - data->disconn_array[i]) { - /* This is the last TX antenna and is also - * disconnected connect it anyway */ - data->disconn_array[i] = 0; - active_chains |= ant_msk; - IWL_DEBUG_CALIB(priv, "All Tx chains are disconnected W/A - " - "declare %d as connected\n", i); + data->disconn_array[i]) { + /* + * If all chains are disconnected + * connect the first valid tx chain + */ + first_chain = + find_first_chain(priv->cfg->valid_tx_ant); + data->disconn_array[first_chain] = 0; + active_chains |= BIT(first_chain); + IWL_DEBUG_CALIB(priv, "All Tx chains are disconnected W/A - declare %d as connected\n", + first_chain); break; } } @@ -820,9 +842,12 @@ void iwl_chain_noise_calibration(struct iwl_priv *priv, active_chains); /* Analyze noise for rx balance */ - average_noise[0] = ((data->chain_noise_a)/CAL_NUM_OF_BEACONS); - average_noise[1] = ((data->chain_noise_b)/CAL_NUM_OF_BEACONS); - average_noise[2] = ((data->chain_noise_c)/CAL_NUM_OF_BEACONS); + average_noise[0] = + ((data->chain_noise_a) / priv->cfg->chain_noise_num_beacons); + average_noise[1] = + ((data->chain_noise_b) / priv->cfg->chain_noise_num_beacons); + average_noise[2] = + ((data->chain_noise_c) / priv->cfg->chain_noise_num_beacons); for (i = 0; i < NUM_RX_CHAINS; i++) { if (!(data->disconn_array[i]) && @@ -843,7 +868,8 @@ void iwl_chain_noise_calibration(struct iwl_priv *priv, if (priv->cfg->ops->utils->gain_computation) priv->cfg->ops->utils->gain_computation(priv, average_noise, - min_average_noise_antenna_i, min_average_noise); + min_average_noise_antenna_i, min_average_noise, + find_first_chain(priv->cfg->valid_rx_ant)); /* Some power changes may have been made during the calibration. * Update and commit the RXON diff --git a/drivers/net/wireless/iwlwifi/iwl-commands.h b/drivers/net/wireless/iwlwifi/iwl-commands.h index 2c5c88fc38f..e5f40f35dc3 100644 --- a/drivers/net/wireless/iwlwifi/iwl-commands.h +++ b/drivers/net/wireless/iwlwifi/iwl-commands.h @@ -148,7 +148,7 @@ enum { QUIET_NOTIFICATION = 0x96, /* not used */ REPLY_TX_PWR_TABLE_CMD = 0x97, REPLY_TX_POWER_DBM_CMD_V1 = 0x98, /* old version of API */ - TX_ANT_CONFIGURATION_CMD = 0x98, /* not used */ + TX_ANT_CONFIGURATION_CMD = 0x98, MEASURE_ABORT_NOTIFICATION = 0x99, /* not used */ /* Bluetooth device coexistence config command */ @@ -411,6 +411,16 @@ struct iwl5000_tx_power_dbm_cmd { u8 reserved; } __attribute__ ((packed)); +/** + * Command TX_ANT_CONFIGURATION_CMD = 0x98 + * This command is used to configure valid Tx antenna. + * By default uCode concludes the valid antenna according to the radio flavor. + * This command enables the driver to override/modify this conclusion. + */ +struct iwl_tx_ant_config_cmd { + __le32 valid; +} __attribute__ ((packed)); + /****************************************************************************** * (0a) * Alive and Error Commands & Responses: diff --git a/drivers/net/wireless/iwlwifi/iwl-core.c b/drivers/net/wireless/iwlwifi/iwl-core.c index 484d5c1a731..dc7fd87bed9 100644 --- a/drivers/net/wireless/iwlwifi/iwl-core.c +++ b/drivers/net/wireless/iwlwifi/iwl-core.c @@ -607,8 +607,7 @@ EXPORT_SYMBOL(iwlcore_free_geos); static bool is_single_rx_stream(struct iwl_priv *priv) { return !priv->current_ht_config.is_ht || - ((priv->current_ht_config.mcs.rx_mask[1] == 0) && - (priv->current_ht_config.mcs.rx_mask[2] == 0)); + priv->current_ht_config.single_chain_sufficient; } static u8 iwl_is_channel_extension(struct iwl_priv *priv, @@ -634,10 +633,9 @@ static u8 iwl_is_channel_extension(struct iwl_priv *priv, u8 iwl_is_ht40_tx_allowed(struct iwl_priv *priv, struct ieee80211_sta_ht_cap *sta_ht_inf) { - struct iwl_ht_info *iwl_ht_conf = &priv->current_ht_config; + struct iwl_ht_config *ht_conf = &priv->current_ht_config; - if ((!iwl_ht_conf->is_ht) || - (iwl_ht_conf->supported_chan_width != IWL_CHANNEL_WIDTH_40MHZ)) + if (!ht_conf->is_ht || !ht_conf->is_40mhz) return 0; /* We do not check for IEEE80211_HT_CAP_SUP_WIDTH_20_40 @@ -653,7 +651,7 @@ u8 iwl_is_ht40_tx_allowed(struct iwl_priv *priv, #endif return iwl_is_channel_extension(priv, priv->band, le16_to_cpu(priv->staging_rxon.channel), - iwl_ht_conf->extension_chan_offset); + ht_conf->extension_chan_offset); } EXPORT_SYMBOL(iwl_is_ht40_tx_allowed); @@ -877,11 +875,11 @@ u8 iwl_rate_get_lowest_plcp(struct iwl_priv *priv) } EXPORT_SYMBOL(iwl_rate_get_lowest_plcp); -void iwl_set_rxon_ht(struct iwl_priv *priv, struct iwl_ht_info *ht_info) +void iwl_set_rxon_ht(struct iwl_priv *priv, struct iwl_ht_config *ht_conf) { struct iwl_rxon_cmd *rxon = &priv->staging_rxon; - if (!ht_info->is_ht) { + if (!ht_conf->is_ht) { rxon->flags &= ~(RXON_FLG_CHANNEL_MODE_MSK | RXON_FLG_CTRL_CHANNEL_LOC_HI_MSK | RXON_FLG_HT40_PROT_MSK | @@ -892,7 +890,7 @@ void iwl_set_rxon_ht(struct iwl_priv *priv, struct iwl_ht_info *ht_info) /* FIXME: if the definition of ht_protection changed, the "translation" * will be needed for rxon->flags */ - rxon->flags |= cpu_to_le32(ht_info->ht_protection << RXON_FLG_HT_OPERATING_MODE_POS); + rxon->flags |= cpu_to_le32(ht_conf->ht_protection << RXON_FLG_HT_OPERATING_MODE_POS); /* Set up channel bandwidth: * 20 MHz only, 20/40 mixed or pure 40 if ht40 ok */ @@ -901,10 +899,10 @@ void iwl_set_rxon_ht(struct iwl_priv *priv, struct iwl_ht_info *ht_info) RXON_FLG_CTRL_CHANNEL_LOC_HI_MSK); if (iwl_is_ht40_tx_allowed(priv, NULL)) { /* pure ht40 */ - if (ht_info->ht_protection == IEEE80211_HT_OP_MODE_PROTECTION_20MHZ) { + if (ht_conf->ht_protection == IEEE80211_HT_OP_MODE_PROTECTION_20MHZ) { rxon->flags |= RXON_FLG_CHANNEL_MODE_PURE_40; /* Note: control channel is opposite of extension channel */ - switch (ht_info->extension_chan_offset) { + switch (ht_conf->extension_chan_offset) { case IEEE80211_HT_PARAM_CHA_SEC_ABOVE: rxon->flags &= ~RXON_FLG_CTRL_CHANNEL_LOC_HI_MSK; break; @@ -914,7 +912,7 @@ void iwl_set_rxon_ht(struct iwl_priv *priv, struct iwl_ht_info *ht_info) } } else { /* Note: control channel is opposite of extension channel */ - switch (ht_info->extension_chan_offset) { + switch (ht_conf->extension_chan_offset) { case IEEE80211_HT_PARAM_CHA_SEC_ABOVE: rxon->flags &= ~(RXON_FLG_CTRL_CHANNEL_LOC_HI_MSK); rxon->flags |= RXON_FLG_CHANNEL_MODE_MIXED; @@ -937,14 +935,10 @@ void iwl_set_rxon_ht(struct iwl_priv *priv, struct iwl_ht_info *ht_info) if (priv->cfg->ops->hcmd->set_rxon_chain) priv->cfg->ops->hcmd->set_rxon_chain(priv); - IWL_DEBUG_ASSOC(priv, "supported HT rate 0x%X 0x%X 0x%X " - "rxon flags 0x%X operation mode :0x%X " + IWL_DEBUG_ASSOC(priv, "rxon flags 0x%X operation mode :0x%X " "extension channel offset 0x%x\n", - ht_info->mcs.rx_mask[0], - ht_info->mcs.rx_mask[1], - ht_info->mcs.rx_mask[2], - le32_to_cpu(rxon->flags), ht_info->ht_protection, - ht_info->extension_chan_offset); + le32_to_cpu(rxon->flags), ht_conf->ht_protection, + ht_conf->extension_chan_offset); return; } EXPORT_SYMBOL(iwl_set_rxon_ht); @@ -954,47 +948,37 @@ EXPORT_SYMBOL(iwl_set_rxon_ht); #define IWL_NUM_IDLE_CHAINS_DUAL 2 #define IWL_NUM_IDLE_CHAINS_SINGLE 1 -/* Determine how many receiver/antenna chains to use. - * More provides better reception via diversity. Fewer saves power. +/* + * Determine how many receiver/antenna chains to use. + * + * More provides better reception via diversity. Fewer saves power + * at the expense of throughput, but only when not in powersave to + * start with. + * * MIMO (dual stream) requires at least 2, but works better with 3. * This does not determine *which* chains to use, just how many. */ static int iwl_get_active_rx_chain_count(struct iwl_priv *priv) { - bool is_single = is_single_rx_stream(priv); - bool is_cam = !test_bit(STATUS_POWER_PMI, &priv->status); - /* # of Rx chains to use when expecting MIMO. */ - if (is_single || (!is_cam && (priv->current_ht_config.sm_ps == - WLAN_HT_CAP_SM_PS_STATIC))) + if (is_single_rx_stream(priv)) return IWL_NUM_RX_CHAINS_SINGLE; else return IWL_NUM_RX_CHAINS_MULTIPLE; } +/* + * When we are in power saving, there's no difference between + * using multiple chains or just a single chain, but due to the + * lack of SM PS we lose a lot of throughput if we use just a + * single chain. + * + * Therefore, use the active count here (which will use multiple + * chains unless connected to a legacy AP). + */ static int iwl_get_idle_rx_chain_count(struct iwl_priv *priv, int active_cnt) { - int idle_cnt; - bool is_cam = !test_bit(STATUS_POWER_PMI, &priv->status); - /* # Rx chains when idling and maybe trying to save power */ - switch (priv->current_ht_config.sm_ps) { - case WLAN_HT_CAP_SM_PS_STATIC: - case WLAN_HT_CAP_SM_PS_DYNAMIC: - idle_cnt = (is_cam) ? IWL_NUM_IDLE_CHAINS_DUAL : - IWL_NUM_IDLE_CHAINS_SINGLE; - break; - case WLAN_HT_CAP_SM_PS_DISABLED: - idle_cnt = (is_cam) ? active_cnt : IWL_NUM_IDLE_CHAINS_SINGLE; - break; - case WLAN_HT_CAP_SM_PS_INVALID: - default: - IWL_ERR(priv, "invalid mimo ps mode %d\n", - priv->current_ht_config.sm_ps); - WARN_ON(1); - idle_cnt = -1; - break; - } - return idle_cnt; + return active_cnt; } /* up to 4 chains */ @@ -1004,7 +988,7 @@ static u8 iwl_count_chain_bitmap(u32 chain_bitmap) res = (chain_bitmap & BIT(0)) >> 0; res += (chain_bitmap & BIT(1)) >> 1; res += (chain_bitmap & BIT(2)) >> 2; - res += (chain_bitmap & BIT(4)) >> 4; + res += (chain_bitmap & BIT(3)) >> 3; return res; } @@ -1345,6 +1329,42 @@ void iwl_irq_handle_error(struct iwl_priv *priv) } EXPORT_SYMBOL(iwl_irq_handle_error); +int iwl_apm_stop_master(struct iwl_priv *priv) +{ + unsigned long flags; + + spin_lock_irqsave(&priv->lock, flags); + + /* set stop master bit */ + iwl_set_bit(priv, CSR_RESET, CSR_RESET_REG_FLAG_STOP_MASTER); + + iwl_poll_bit(priv, CSR_RESET, CSR_RESET_REG_FLAG_MASTER_DISABLED, + CSR_RESET_REG_FLAG_MASTER_DISABLED, 100); + + spin_unlock_irqrestore(&priv->lock, flags); + IWL_DEBUG_INFO(priv, "stop master\n"); + + return 0; +} +EXPORT_SYMBOL(iwl_apm_stop_master); + +void iwl_apm_stop(struct iwl_priv *priv) +{ + unsigned long flags; + + iwl_apm_stop_master(priv); + + spin_lock_irqsave(&priv->lock, flags); + + iwl_set_bit(priv, CSR_RESET, CSR_RESET_REG_FLAG_SW_RESET); + + udelay(10); + /* clear "init complete" move adapter D0A* --> D0U state */ + iwl_clear_bit(priv, CSR_GP_CNTRL, CSR_GP_CNTRL_REG_FLAG_INIT_DONE); + spin_unlock_irqrestore(&priv->lock, flags); +} +EXPORT_SYMBOL(iwl_apm_stop); + void iwl_configure_filter(struct ieee80211_hw *hw, unsigned int changed_flags, unsigned int *total_flags, @@ -1494,8 +1514,6 @@ int iwl_init_drv(struct iwl_priv *priv) priv->iw_mode = NL80211_IFTYPE_STATION; - priv->current_ht_config.sm_ps = WLAN_HT_CAP_SM_PS_DISABLED; - /* Choose which receivers/antennas to use */ if (priv->cfg->ops->hcmd->set_rxon_chain) priv->cfg->ops->hcmd->set_rxon_chain(priv); @@ -2227,42 +2245,58 @@ int iwl_mac_conf_tx(struct ieee80211_hw *hw, u16 queue, EXPORT_SYMBOL(iwl_mac_conf_tx); static void iwl_ht_conf(struct iwl_priv *priv, - struct ieee80211_bss_conf *bss_conf) + struct ieee80211_bss_conf *bss_conf) { - struct ieee80211_sta_ht_cap *ht_conf; - struct iwl_ht_info *iwl_conf = &priv->current_ht_config; + struct iwl_ht_config *ht_conf = &priv->current_ht_config; struct ieee80211_sta *sta; IWL_DEBUG_MAC80211(priv, "enter: \n"); - if (!iwl_conf->is_ht) + if (!ht_conf->is_ht) return; + ht_conf->ht_protection = + bss_conf->ht_operation_mode & IEEE80211_HT_OP_MODE_PROTECTION; + ht_conf->non_GF_STA_present = + !!(bss_conf->ht_operation_mode & IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT); - /* - * It is totally wrong to base global information on something - * that is valid only when associated, alas, this driver works - * that way and I don't know how to fix it. - */ + ht_conf->single_chain_sufficient = false; - rcu_read_lock(); - sta = ieee80211_find_sta(priv->hw, priv->bssid); - if (!sta) { + switch (priv->iw_mode) { + case NL80211_IFTYPE_STATION: + rcu_read_lock(); + sta = ieee80211_find_sta(priv->hw, priv->bssid); + if (sta) { + struct ieee80211_sta_ht_cap *ht_cap = &sta->ht_cap; + int maxstreams; + + maxstreams = (ht_cap->mcs.tx_params & + IEEE80211_HT_MCS_TX_MAX_STREAMS_MASK) + >> IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT; + maxstreams += 1; + + if ((ht_cap->mcs.rx_mask[1] == 0) && + (ht_cap->mcs.rx_mask[2] == 0)) + ht_conf->single_chain_sufficient = true; + if (maxstreams <= 1) + ht_conf->single_chain_sufficient = true; + } else { + /* + * If at all, this can only happen through a race + * when the AP disconnects us while we're still + * setting up the connection, in that case mac80211 + * will soon tell us about that. + */ + ht_conf->single_chain_sufficient = true; + } rcu_read_unlock(); - return; + break; + case NL80211_IFTYPE_ADHOC: + ht_conf->single_chain_sufficient = true; + break; + default: + break; } - ht_conf = &sta->ht_cap; - - iwl_conf->sm_ps = (u8)((ht_conf->cap & IEEE80211_HT_CAP_SM_PS) >> 2); - - memcpy(&iwl_conf->mcs, &ht_conf->mcs, 16); - - iwl_conf->ht_protection = - bss_conf->ht_operation_mode & IEEE80211_HT_OP_MODE_PROTECTION; - iwl_conf->non_GF_STA_present = - !!(bss_conf->ht_operation_mode & IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT); - - rcu_read_unlock(); IWL_DEBUG_MAC80211(priv, "leave\n"); } @@ -2386,6 +2420,8 @@ void iwl_bss_info_changed(struct ieee80211_hw *hw, priv->timestamp = bss_conf->timestamp; priv->assoc_capability = bss_conf->assoc_capability; + iwl_led_associate(priv); + /* * We have just associated, don't start scan too early * leave time for EAPOL exchange to complete. @@ -2396,9 +2432,10 @@ void iwl_bss_info_changed(struct ieee80211_hw *hw, IWL_DELAY_NEXT_SCAN_AFTER_ASSOC; if (!iwl_is_rfkill(priv)) priv->cfg->ops->lib->post_associate(priv); - } else + } else { priv->assoc_id = 0; - + iwl_led_disassociate(priv); + } } if (changes && iwl_is_associated(priv) && priv->assoc_id) { @@ -2569,7 +2606,7 @@ int iwl_mac_config(struct ieee80211_hw *hw, u32 changed) struct iwl_priv *priv = hw->priv; const struct iwl_channel_info *ch_info; struct ieee80211_conf *conf = &hw->conf; - struct iwl_ht_info *ht_conf = &priv->current_ht_config; + struct iwl_ht_config *ht_conf = &priv->current_ht_config; unsigned long flags = 0; int ret = 0; u16 ch; @@ -2619,21 +2656,18 @@ int iwl_mac_config(struct ieee80211_hw *hw, u32 changed) if (conf_is_ht40_minus(conf)) { ht_conf->extension_chan_offset = IEEE80211_HT_PARAM_CHA_SEC_BELOW; - ht_conf->supported_chan_width = - IWL_CHANNEL_WIDTH_40MHZ; + ht_conf->is_40mhz = true; } else if (conf_is_ht40_plus(conf)) { ht_conf->extension_chan_offset = IEEE80211_HT_PARAM_CHA_SEC_ABOVE; - ht_conf->supported_chan_width = - IWL_CHANNEL_WIDTH_40MHZ; + ht_conf->is_40mhz = true; } else { ht_conf->extension_chan_offset = IEEE80211_HT_PARAM_CHA_SEC_NONE; - ht_conf->supported_chan_width = - IWL_CHANNEL_WIDTH_20MHZ; + ht_conf->is_40mhz = false; } } else - ht_conf->supported_chan_width = IWL_CHANNEL_WIDTH_20MHZ; + ht_conf->is_40mhz = false; /* Default to no protection. Protection mode will later be set * from BSS config in iwl_ht_conf */ ht_conf->ht_protection = IEEE80211_HT_OP_MODE_PROTECTION_NONE; @@ -2655,7 +2689,8 @@ int iwl_mac_config(struct ieee80211_hw *hw, u32 changed) iwl_set_rate(priv); } - if (changed & IEEE80211_CONF_CHANGE_PS) { + if (changed & (IEEE80211_CONF_CHANGE_PS | + IEEE80211_CONF_CHANGE_IDLE)) { ret = iwl_power_update_mode(priv, false); if (ret) IWL_DEBUG_MAC80211(priv, "Error setting sleep level\n"); @@ -2739,7 +2774,7 @@ void iwl_mac_reset_tsf(struct ieee80211_hw *hw) IWL_DEBUG_MAC80211(priv, "enter\n"); spin_lock_irqsave(&priv->lock, flags); - memset(&priv->current_ht_config, 0, sizeof(struct iwl_ht_info)); + memset(&priv->current_ht_config, 0, sizeof(struct iwl_ht_config)); spin_unlock_irqrestore(&priv->lock, flags); iwl_reset_qos(priv); diff --git a/drivers/net/wireless/iwlwifi/iwl-core.h b/drivers/net/wireless/iwlwifi/iwl-core.h index e50103a956b..6688b694420 100644 --- a/drivers/net/wireless/iwlwifi/iwl-core.h +++ b/drivers/net/wireless/iwlwifi/iwl-core.h @@ -89,6 +89,7 @@ struct iwl_hcmd_ops { int (*rxon_assoc)(struct iwl_priv *priv); int (*commit_rxon)(struct iwl_priv *priv); void (*set_rxon_chain)(struct iwl_priv *priv); + int (*set_tx_ant)(struct iwl_priv *priv, u8 valid_tx_ant); }; struct iwl_hcmd_utils_ops { @@ -97,7 +98,8 @@ struct iwl_hcmd_utils_ops { void (*gain_computation)(struct iwl_priv *priv, u32 *average_noise, u16 min_average_noise_antennat_i, - u32 min_average_noise); + u32 min_average_noise, + u8 default_chain); void (*chain_noise_reset)(struct iwl_priv *priv); void (*rts_tx_cmd_flag)(struct ieee80211_tx_info *info, __le32 *tx_flags); @@ -185,11 +187,18 @@ struct iwl_lib_ops { struct iwl_temp_ops temp_ops; }; +struct iwl_led_ops { + int (*cmd)(struct iwl_priv *priv, struct iwl_led_cmd *led_cmd); + int (*on)(struct iwl_priv *priv); + int (*off)(struct iwl_priv *priv); +}; + struct iwl_ops { const struct iwl_ucode_ops *ucode; const struct iwl_lib_ops *lib; const struct iwl_hcmd_ops *hcmd; const struct iwl_hcmd_utils_ops *utils; + const struct iwl_led_ops *led; }; struct iwl_mod_params { @@ -213,6 +222,11 @@ struct iwl_mod_params { * @pa_type: used by 6000 series only to identify the type of Power Amplifier * @max_ll_items: max number of OTP blocks * @shadow_ram_support: shadow support for OTP memory + * @led_compensation: compensate on the led on/off time per HW according + * to the deviation to achieve the desired led frequency. + * The detail algorithm is described in iwl-led.c + * @use_rts_for_ht: use rts/cts protection for HT traffic + * @chain_noise_num_beacons: number of beacons used to compute chain noise * * We enable the driver to be backward compatible wrt API version. The * driver specifies which APIs it supports (with @ucode_api_max being the @@ -254,7 +268,11 @@ struct iwl_cfg { const u16 max_ll_items; const bool shadow_ram_support; const bool ht_greenfield_support; + u16 led_compensation; const bool broken_powersave; + bool use_rts_for_ht; + int chain_noise_num_beacons; + const bool supports_idle; }; /*************************** @@ -273,7 +291,7 @@ int iwl_check_rxon_cmd(struct iwl_priv *priv); int iwl_full_rxon_required(struct iwl_priv *priv); void iwl_set_rxon_chain(struct iwl_priv *priv); int iwl_set_rxon_channel(struct iwl_priv *priv, struct ieee80211_channel *ch); -void iwl_set_rxon_ht(struct iwl_priv *priv, struct iwl_ht_info *ht_info); +void iwl_set_rxon_ht(struct iwl_priv *priv, struct iwl_ht_config *ht_conf); u8 iwl_is_ht40_tx_allowed(struct iwl_priv *priv, struct ieee80211_sta_ht_cap *sta_ht_inf); void iwl_set_flags_for_band(struct iwl_priv *priv, enum ieee80211_band band); @@ -569,6 +587,7 @@ void iwlcore_free_geos(struct iwl_priv *priv); #define STATUS_HCMD_SYNC_ACTIVE 1 /* sync host command in progress */ #define STATUS_INT_ENABLED 2 #define STATUS_RF_KILL_HW 3 +#define STATUS_CT_KILL 4 #define STATUS_INIT 5 #define STATUS_ALIVE 6 #define STATUS_READY 7 @@ -613,6 +632,11 @@ static inline int iwl_is_rfkill(struct iwl_priv *priv) return iwl_is_rfkill_hw(priv); } +static inline int iwl_is_ctkill(struct iwl_priv *priv) +{ + return test_bit(STATUS_CT_KILL, &priv->status); +} + static inline int iwl_is_ready_rf(struct iwl_priv *priv) { @@ -634,6 +658,8 @@ extern void iwl_rx_reply_rx_phy(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb); void iwl_rx_reply_compressed_ba(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb); +void iwl_apm_stop(struct iwl_priv *priv); +int iwl_apm_stop_master(struct iwl_priv *priv); void iwl_setup_rxon_timing(struct iwl_priv *priv); static inline int iwl_send_rxon_assoc(struct iwl_priv *priv) @@ -653,5 +679,4 @@ static inline const struct ieee80211_supported_band *iwl_get_hw_mode( { return priv->hw->wiphy->bands[band]; } - #endif /* __iwl_core_h__ */ diff --git a/drivers/net/wireless/iwlwifi/iwl-csr.h b/drivers/net/wireless/iwlwifi/iwl-csr.h index 06437d13e73..8f183e0fa51 100644 --- a/drivers/net/wireless/iwlwifi/iwl-csr.h +++ b/drivers/net/wireless/iwlwifi/iwl-csr.h @@ -230,13 +230,18 @@ /* EEPROM GP */ #define CSR_EEPROM_GP_VALID_MSK (0x00000007) -#define CSR_EEPROM_GP_BAD_SIGNATURE (0x00000000) #define CSR_EEPROM_GP_IF_OWNER_MSK (0x00000180) #define CSR_OTP_GP_REG_DEVICE_SELECT (0x00010000) /* 0 - EEPROM, 1 - OTP */ #define CSR_OTP_GP_REG_OTP_ACCESS_MODE (0x00020000) /* 0 - absolute, 1 - relative */ #define CSR_OTP_GP_REG_ECC_CORR_STATUS_MSK (0x00100000) /* bit 20 */ #define CSR_OTP_GP_REG_ECC_UNCORR_STATUS_MSK (0x00200000) /* bit 21 */ +/* EEPROM signature */ +#define CSR_EEPROM_GP_BAD_SIGNATURE_BOTH_EEP_AND_OTP (0x00000000) +#define CSR_EEPROM_GP_BAD_SIG_EEP_GOOD_SIG_OTP (0x00000001) +#define CSR_EEPROM_GP_GOOD_SIG_EEP_LESS_THAN_4K (0x00000002) +#define CSR_EEPROM_GP_GOOD_SIG_EEP_MORE_THAN_4K (0x00000004) + /* CSR GIO */ #define CSR_GIO_REG_VAL_L0S_ENABLED (0x00000002) diff --git a/drivers/net/wireless/iwlwifi/iwl-debug.h b/drivers/net/wireless/iwlwifi/iwl-debug.h index cbc62904655..b9ca475cc61 100644 --- a/drivers/net/wireless/iwlwifi/iwl-debug.h +++ b/drivers/net/wireless/iwlwifi/iwl-debug.h @@ -84,9 +84,7 @@ struct iwl_debugfs { struct dentry *file_interrupt; struct dentry *file_qos; struct dentry *file_thermal_throttling; -#ifdef CONFIG_IWLWIFI_LEDS struct dentry *file_led; -#endif struct dentry *file_disable_ht40; struct dentry *file_sleep_level_override; struct dentry *file_current_sleep_command; diff --git a/drivers/net/wireless/iwlwifi/iwl-debugfs.c b/drivers/net/wireless/iwlwifi/iwl-debugfs.c index a198bcf6102..1794b9c4e6a 100644 --- a/drivers/net/wireless/iwlwifi/iwl-debugfs.c +++ b/drivers/net/wireless/iwlwifi/iwl-debugfs.c @@ -383,6 +383,7 @@ static ssize_t iwl_dbgfs_nvm_read(struct file *file, int pos = 0, ofs = 0, buf_size = 0; const u8 *ptr; char *buf; + u16 eeprom_ver; size_t eeprom_len = priv->cfg->eeprom_size; buf_size = 4 * eeprom_len + 256; @@ -403,9 +404,11 @@ static ssize_t iwl_dbgfs_nvm_read(struct file *file, IWL_ERR(priv, "Can not allocate Buffer\n"); return -ENOMEM; } - pos += scnprintf(buf + pos, buf_size - pos, "NVM Type: %s\n", + eeprom_ver = iwl_eeprom_query16(priv, EEPROM_VERSION); + pos += scnprintf(buf + pos, buf_size - pos, "NVM Type: %s, " + "version: 0x%x\n", (priv->nvm_device_type == NVM_DEVICE_TYPE_OTP) - ? "OTP" : "EEPROM"); + ? "OTP" : "EEPROM", eeprom_ver); for (ofs = 0 ; ofs < eeprom_len ; ofs += 16) { pos += scnprintf(buf + pos, buf_size - pos, "0x%.4x ", ofs); hex_dump_to_buffer(ptr + ofs, 16 , 16, 2, buf + pos, @@ -532,6 +535,8 @@ static ssize_t iwl_dbgfs_status_read(struct file *file, test_bit(STATUS_INT_ENABLED, &priv->status)); pos += scnprintf(buf + pos, bufsz - pos, "STATUS_RF_KILL_HW:\t %d\n", test_bit(STATUS_RF_KILL_HW, &priv->status)); + pos += scnprintf(buf + pos, bufsz - pos, "STATUS_CT_KILL:\t\t %d\n", + test_bit(STATUS_CT_KILL, &priv->status)); pos += scnprintf(buf + pos, bufsz - pos, "STATUS_INIT:\t\t %d\n", test_bit(STATUS_INIT, &priv->status)); pos += scnprintf(buf + pos, bufsz - pos, "STATUS_ALIVE:\t\t %d\n", @@ -672,7 +677,6 @@ static ssize_t iwl_dbgfs_qos_read(struct file *file, char __user *user_buf, return ret; } -#ifdef CONFIG_IWLWIFI_LEDS static ssize_t iwl_dbgfs_led_read(struct file *file, char __user *user_buf, size_t count, loff_t *ppos) { @@ -697,7 +701,6 @@ static ssize_t iwl_dbgfs_led_read(struct file *file, char __user *user_buf, ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); return ret; } -#endif static ssize_t iwl_dbgfs_thermal_throttling_read(struct file *file, char __user *user_buf, @@ -861,9 +864,7 @@ DEBUGFS_READ_FILE_OPS(channels); DEBUGFS_READ_FILE_OPS(status); DEBUGFS_READ_WRITE_FILE_OPS(interrupt); DEBUGFS_READ_FILE_OPS(qos); -#ifdef CONFIG_IWLWIFI_LEDS DEBUGFS_READ_FILE_OPS(led); -#endif DEBUGFS_READ_FILE_OPS(thermal_throttling); DEBUGFS_READ_WRITE_FILE_OPS(disable_ht40); DEBUGFS_READ_WRITE_FILE_OPS(sleep_level_override); @@ -1661,9 +1662,7 @@ int iwl_dbgfs_register(struct iwl_priv *priv, const char *name) DEBUGFS_ADD_FILE(status, data); DEBUGFS_ADD_FILE(interrupt, data); DEBUGFS_ADD_FILE(qos, data); -#ifdef CONFIG_IWLWIFI_LEDS DEBUGFS_ADD_FILE(led, data); -#endif DEBUGFS_ADD_FILE(sleep_level_override, data); DEBUGFS_ADD_FILE(current_sleep_command, data); DEBUGFS_ADD_FILE(thermal_throttling, data); @@ -1716,9 +1715,7 @@ void iwl_dbgfs_unregister(struct iwl_priv *priv) DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_status); DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_interrupt); DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_qos); -#ifdef CONFIG_IWLWIFI_LEDS DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_led); -#endif DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_thermal_throttling); DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_disable_ht40); DEBUGFS_REMOVE(priv->dbgfs->dir_data); diff --git a/drivers/net/wireless/iwlwifi/iwl-dev.h b/drivers/net/wireless/iwlwifi/iwl-dev.h index 028d5059955..72946c144be 100644 --- a/drivers/net/wireless/iwlwifi/iwl-dev.h +++ b/drivers/net/wireless/iwlwifi/iwl-dev.h @@ -43,7 +43,6 @@ #include "iwl-debug.h" #include "iwl-4965-hw.h" #include "iwl-3945-hw.h" -#include "iwl-3945-led.h" #include "iwl-led.h" #include "iwl-power.h" #include "iwl-agn-rs.h" @@ -57,17 +56,22 @@ extern struct iwl_cfg iwl5100_bg_cfg; extern struct iwl_cfg iwl5100_abg_cfg; extern struct iwl_cfg iwl5150_agn_cfg; extern struct iwl_cfg iwl6000h_2agn_cfg; +extern struct iwl_cfg iwl6000h_2abg_cfg; +extern struct iwl_cfg iwl6000h_2bg_cfg; extern struct iwl_cfg iwl6000i_2agn_cfg; +extern struct iwl_cfg iwl6000i_2abg_cfg; +extern struct iwl_cfg iwl6000i_2bg_cfg; extern struct iwl_cfg iwl6000_3agn_cfg; extern struct iwl_cfg iwl6050_2agn_cfg; +extern struct iwl_cfg iwl6050_2abg_cfg; extern struct iwl_cfg iwl6050_3agn_cfg; extern struct iwl_cfg iwl1000_bgn_cfg; +extern struct iwl_cfg iwl1000_bg_cfg; struct iwl_tx_queue; /* shared structures from iwl-5000.c */ extern struct iwl_mod_params iwl50_mod_params; -extern struct iwl_ops iwl5000_ops; extern struct iwl_ucode_ops iwl5000_ucode; extern struct iwl_lib_ops iwl5000_lib; extern struct iwl_hcmd_ops iwl5000_hcmd; @@ -82,7 +86,6 @@ extern void iwl5000_rts_tx_cmd_flag(struct ieee80211_tx_info *info, extern int iwl5000_calc_rssi(struct iwl_priv *priv, struct iwl_rx_phy_res *rx_resp); extern int iwl5000_apm_init(struct iwl_priv *priv); -extern void iwl5000_apm_stop(struct iwl_priv *priv); extern int iwl5000_apm_reset(struct iwl_priv *priv); extern void iwl5000_nic_config(struct iwl_priv *priv); extern u16 iwl5000_eeprom_calib_version(struct iwl_priv *priv); @@ -502,12 +505,11 @@ union iwl_ht_rate_supp { #define CFG_HT_MPDU_DENSITY_4USEC (0x5) #define CFG_HT_MPDU_DENSITY_DEF CFG_HT_MPDU_DENSITY_4USEC -struct iwl_ht_info { +struct iwl_ht_config { /* self configuration data */ - u8 is_ht; - u8 supported_chan_width; - u8 sm_ps; - struct ieee80211_mcs_info mcs; + bool is_ht; + bool is_40mhz; + bool single_chain_sufficient; /* BSS related data */ u8 extension_chan_offset; u8 ht_protection; @@ -726,9 +728,6 @@ struct iwl_dma_ptr { size_t size; }; -#define IWL_CHANNEL_WIDTH_20MHZ 0 -#define IWL_CHANNEL_WIDTH_40MHZ 1 - #define IWL_OPERATION_MODE_AUTO 0 #define IWL_OPERATION_MODE_HT_ONLY 1 #define IWL_OPERATION_MODE_MIXED 2 @@ -741,7 +740,8 @@ struct iwl_dma_ptr { /* Sensitivity and chain noise calibration */ #define INITIALIZATION_VALUE 0xFFFF -#define CAL_NUM_OF_BEACONS 20 +#define IWL4965_CAL_NUM_BEACONS 20 +#define IWL_CAL_NUM_BEACONS 16 #define MAXIMUM_ALLOWED_PATHLOSS 15 #define CHAIN_NOISE_MAX_DELTA_GAIN_CODE 3 @@ -1063,14 +1063,11 @@ struct iwl_priv { struct iwl_init_alive_resp card_alive_init; struct iwl_alive_resp card_alive; -#ifdef CONFIG_IWLWIFI_LEDS unsigned long last_blink_time; u8 last_blink_rate; u8 allow_blinking; u64 led_tpt; - struct iwl_led led[IWL_LED_TRG_MAX]; - unsigned int rxtxpackets; -#endif + u16 active_rate; u16 active_rate_basic; @@ -1080,7 +1077,7 @@ struct iwl_priv { struct iwl_chain_noise_data chain_noise_data; __le16 sensitivity_tbl[HD_TABLE_SIZE]; - struct iwl_ht_info current_ht_config; + struct iwl_ht_config current_ht_config; u8 last_phy_res[100]; /* Rate scaling data */ diff --git a/drivers/net/wireless/iwlwifi/iwl-devtrace.c b/drivers/net/wireless/iwlwifi/iwl-devtrace.c new file mode 100644 index 00000000000..4ef5acaa556 --- /dev/null +++ b/drivers/net/wireless/iwlwifi/iwl-devtrace.c @@ -0,0 +1,13 @@ +#include <linux/module.h> + +/* sparse doesn't like tracepoint macros */ +#ifndef __CHECKER__ +#define CREATE_TRACE_POINTS +#include "iwl-devtrace.h" + +EXPORT_TRACEPOINT_SYMBOL(iwlwifi_dev_ioread32); +EXPORT_TRACEPOINT_SYMBOL(iwlwifi_dev_iowrite32); +EXPORT_TRACEPOINT_SYMBOL(iwlwifi_dev_rx); +EXPORT_TRACEPOINT_SYMBOL(iwlwifi_dev_ucode_event); +EXPORT_TRACEPOINT_SYMBOL(iwlwifi_dev_ucode_error); +#endif diff --git a/drivers/net/wireless/iwlwifi/iwl-devtrace.h b/drivers/net/wireless/iwlwifi/iwl-devtrace.h new file mode 100644 index 00000000000..8c7159208da --- /dev/null +++ b/drivers/net/wireless/iwlwifi/iwl-devtrace.h @@ -0,0 +1,178 @@ +#if !defined(__IWLWIFI_DEVICE_TRACE) || defined(TRACE_HEADER_MULTI_READ) +#define __IWLWIFI_DEVICE_TRACE + +#include <linux/tracepoint.h> +#include "iwl-dev.h" + +#if !defined(CONFIG_IWLWIFI_DEVICE_TRACING) || defined(__CHECKER__) +#undef TRACE_EVENT +#define TRACE_EVENT(name, proto, ...) \ +static inline void trace_ ## name(proto) {} +#endif + +#define PRIV_ENTRY __field(struct iwl_priv *, priv) +#define PRIV_ASSIGN __entry->priv = priv + +#undef TRACE_SYSTEM +#define TRACE_SYSTEM iwlwifi + +TRACE_EVENT(iwlwifi_dev_ioread32, + TP_PROTO(struct iwl_priv *priv, u32 offs, u32 val), + TP_ARGS(priv, offs, val), + TP_STRUCT__entry( + PRIV_ENTRY + __field(u32, offs) + __field(u32, val) + ), + TP_fast_assign( + PRIV_ASSIGN; + __entry->offs = offs; + __entry->val = val; + ), + TP_printk("[%p] read io[%#x] = %#x", __entry->priv, __entry->offs, __entry->val) +); + +TRACE_EVENT(iwlwifi_dev_iowrite32, + TP_PROTO(struct iwl_priv *priv, u32 offs, u32 val), + TP_ARGS(priv, offs, val), + TP_STRUCT__entry( + PRIV_ENTRY + __field(u32, offs) + __field(u32, val) + ), + TP_fast_assign( + PRIV_ASSIGN; + __entry->offs = offs; + __entry->val = val; + ), + TP_printk("[%p] write io[%#x] = %#x)", __entry->priv, __entry->offs, __entry->val) +); + +TRACE_EVENT(iwlwifi_dev_hcmd, + TP_PROTO(struct iwl_priv *priv, void *hcmd, size_t len, u32 flags), + TP_ARGS(priv, hcmd, len, flags), + TP_STRUCT__entry( + PRIV_ENTRY + __dynamic_array(u8, hcmd, len) + __field(u32, flags) + ), + TP_fast_assign( + PRIV_ASSIGN; + memcpy(__get_dynamic_array(hcmd), hcmd, len); + __entry->flags = flags; + ), + TP_printk("[%p] hcmd %#.2x (%ssync)", + __entry->priv, ((u8 *)__get_dynamic_array(hcmd))[0], + __entry->flags & CMD_ASYNC ? "a" : "") +); + +TRACE_EVENT(iwlwifi_dev_rx, + TP_PROTO(struct iwl_priv *priv, void *rxbuf, size_t len), + TP_ARGS(priv, rxbuf, len), + TP_STRUCT__entry( + PRIV_ENTRY + __dynamic_array(u8, rxbuf, len) + ), + TP_fast_assign( + PRIV_ASSIGN; + memcpy(__get_dynamic_array(rxbuf), rxbuf, len); + ), + TP_printk("[%p] RX cmd %#.2x", + __entry->priv, ((u8 *)__get_dynamic_array(rxbuf))[4]) +); + +TRACE_EVENT(iwlwifi_dev_tx, + TP_PROTO(struct iwl_priv *priv, void *tfd, size_t tfdlen, + void *buf0, size_t buf0_len, + void *buf1, size_t buf1_len), + TP_ARGS(priv, tfd, tfdlen, buf0, buf0_len, buf1, buf1_len), + TP_STRUCT__entry( + PRIV_ENTRY + + __field(size_t, framelen) + __dynamic_array(u8, tfd, tfdlen) + + /* + * Do not insert between or below these items, + * we want to keep the frame together (except + * for the possible padding). + */ + __dynamic_array(u8, buf0, buf0_len) + __dynamic_array(u8, buf1, buf1_len) + ), + TP_fast_assign( + PRIV_ASSIGN; + __entry->framelen = buf0_len + buf1_len; + memcpy(__get_dynamic_array(tfd), tfd, tfdlen); + memcpy(__get_dynamic_array(buf0), buf0, buf0_len); + memcpy(__get_dynamic_array(buf1), buf1, buf0_len); + ), + TP_printk("[%p] TX %.2x (%zu bytes)", + __entry->priv, + ((u8 *)__get_dynamic_array(buf0))[0], + __entry->framelen) +); + +TRACE_EVENT(iwlwifi_dev_ucode_error, + TP_PROTO(struct iwl_priv *priv, u32 desc, u32 time, + u32 data1, u32 data2, u32 line, u32 blink1, + u32 blink2, u32 ilink1, u32 ilink2), + TP_ARGS(priv, desc, time, data1, data2, line, + blink1, blink2, ilink1, ilink2), + TP_STRUCT__entry( + PRIV_ENTRY + __field(u32, desc) + __field(u32, time) + __field(u32, data1) + __field(u32, data2) + __field(u32, line) + __field(u32, blink1) + __field(u32, blink2) + __field(u32, ilink1) + __field(u32, ilink2) + ), + TP_fast_assign( + PRIV_ASSIGN; + __entry->desc = desc; + __entry->time = time; + __entry->data1 = data1; + __entry->data2 = data2; + __entry->line = line; + __entry->blink1 = blink1; + __entry->blink2 = blink2; + __entry->ilink1 = ilink1; + __entry->ilink2 = ilink2; + ), + TP_printk("[%p] #%02d %010u data 0x%08X 0x%08X line %u, " + "blink 0x%05X 0x%05X ilink 0x%05X 0x%05X", + __entry->priv, __entry->desc, __entry->time, __entry->data1, + __entry->data2, __entry->line, __entry->blink1, + __entry->blink2, __entry->ilink1, __entry->ilink2) +); + +TRACE_EVENT(iwlwifi_dev_ucode_event, + TP_PROTO(struct iwl_priv *priv, u32 time, u32 data, u32 ev), + TP_ARGS(priv, time, data, ev), + TP_STRUCT__entry( + PRIV_ENTRY + + __field(u32, time) + __field(u32, data) + __field(u32, ev) + ), + TP_fast_assign( + PRIV_ASSIGN; + __entry->time = time; + __entry->data = data; + __entry->ev = ev; + ), + TP_printk("[%p] EVT_LOGT:%010u:0x%08x:%04u", + __entry->priv, __entry->time, __entry->data, __entry->ev) +); +#endif /* __IWLWIFI_DEVICE_TRACE */ + +#undef TRACE_INCLUDE_PATH +#define TRACE_INCLUDE_PATH . +#undef TRACE_INCLUDE_FILE +#define TRACE_INCLUDE_FILE iwl-devtrace +#include <trace/define_trace.h> diff --git a/drivers/net/wireless/iwlwifi/iwl-eeprom.c b/drivers/net/wireless/iwlwifi/iwl-eeprom.c index 3d2b93a61e6..e3dbd79cd13 100644 --- a/drivers/net/wireless/iwlwifi/iwl-eeprom.c +++ b/drivers/net/wireless/iwlwifi/iwl-eeprom.c @@ -215,12 +215,35 @@ static const struct iwl_txpwr_section enhinfo[] = { int iwlcore_eeprom_verify_signature(struct iwl_priv *priv) { - u32 gp = iwl_read32(priv, CSR_EEPROM_GP); - if ((gp & CSR_EEPROM_GP_VALID_MSK) == CSR_EEPROM_GP_BAD_SIGNATURE) { - IWL_ERR(priv, "EEPROM not found, EEPROM_GP=0x%08x\n", gp); - return -ENOENT; + u32 gp = iwl_read32(priv, CSR_EEPROM_GP) & CSR_EEPROM_GP_VALID_MSK; + int ret = 0; + + IWL_DEBUG_INFO(priv, "EEPROM signature=0x%08x\n", gp); + switch (gp) { + case CSR_EEPROM_GP_BAD_SIG_EEP_GOOD_SIG_OTP: + if (priv->nvm_device_type != NVM_DEVICE_TYPE_OTP) { + IWL_ERR(priv, "EEPROM with bad signature: 0x%08x\n", + gp); + ret = -ENOENT; + } + break; + case CSR_EEPROM_GP_GOOD_SIG_EEP_LESS_THAN_4K: + case CSR_EEPROM_GP_GOOD_SIG_EEP_MORE_THAN_4K: + if (priv->nvm_device_type != NVM_DEVICE_TYPE_EEPROM) { + IWL_ERR(priv, "OTP with bad signature: 0x%08x\n", gp); + ret = -ENOENT; + } + break; + case CSR_EEPROM_GP_BAD_SIGNATURE_BOTH_EEP_AND_OTP: + default: + IWL_ERR(priv, "bad EEPROM/OTP signature, type=%s, " + "EEPROM_GP=0x%08x\n", + (priv->nvm_device_type == NVM_DEVICE_TYPE_OTP) + ? "OTP" : "EEPROM", gp); + ret = -ENOENT; + break; } - return 0; + return ret; } EXPORT_SYMBOL(iwlcore_eeprom_verify_signature); @@ -283,7 +306,8 @@ int iwlcore_eeprom_acquire_semaphore(struct iwl_priv *priv) CSR_HW_IF_CONFIG_REG_BIT_EEPROM_OWN_SEM); /* See if we got it */ - ret = iwl_poll_direct_bit(priv, CSR_HW_IF_CONFIG_REG, + ret = iwl_poll_bit(priv, CSR_HW_IF_CONFIG_REG, + CSR_HW_IF_CONFIG_REG_BIT_EEPROM_OWN_SEM, CSR_HW_IF_CONFIG_REG_BIT_EEPROM_OWN_SEM, EEPROM_SEM_TIMEOUT); if (ret >= 0) { @@ -322,7 +346,8 @@ static int iwl_init_otp_access(struct iwl_priv *priv) CSR_GP_CNTRL_REG_FLAG_INIT_DONE); /* wait for clock to be ready */ - ret = iwl_poll_direct_bit(priv, CSR_GP_CNTRL, + ret = iwl_poll_bit(priv, CSR_GP_CNTRL, + CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY, CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY, 25000); if (ret < 0) @@ -345,7 +370,8 @@ static int iwl_read_otp_word(struct iwl_priv *priv, u16 addr, u16 *eeprom_data) _iwl_write32(priv, CSR_EEPROM_REG, CSR_EEPROM_REG_MSK_ADDR & (addr << 1)); - ret = iwl_poll_direct_bit(priv, CSR_EEPROM_REG, + ret = iwl_poll_bit(priv, CSR_EEPROM_REG, + CSR_EEPROM_REG_READ_VALID_MSK, CSR_EEPROM_REG_READ_VALID_MSK, IWL_EEPROM_ACCESS_TIMEOUT); if (ret < 0) { @@ -538,7 +564,8 @@ int iwl_eeprom_init(struct iwl_priv *priv) _iwl_write32(priv, CSR_EEPROM_REG, CSR_EEPROM_REG_MSK_ADDR & (addr << 1)); - ret = iwl_poll_direct_bit(priv, CSR_EEPROM_REG, + ret = iwl_poll_bit(priv, CSR_EEPROM_REG, + CSR_EEPROM_REG_READ_VALID_MSK, CSR_EEPROM_REG_READ_VALID_MSK, IWL_EEPROM_ACCESS_TIMEOUT); if (ret < 0) { diff --git a/drivers/net/wireless/iwlwifi/iwl-eeprom.h b/drivers/net/wireless/iwlwifi/iwl-eeprom.h index 6b68db7b1b8..fee6f0c7503 100644 --- a/drivers/net/wireless/iwlwifi/iwl-eeprom.h +++ b/drivers/net/wireless/iwlwifi/iwl-eeprom.h @@ -63,6 +63,8 @@ #ifndef __iwl_eeprom_h__ #define __iwl_eeprom_h__ +#include <net/mac80211.h> + struct iwl_priv; /* @@ -256,6 +258,12 @@ struct iwl_eeprom_enhanced_txpwr { #define EEPROM_5050_TX_POWER_VERSION (4) #define EEPROM_5050_EEPROM_VERSION (0x21E) +/* 1000 Specific */ +#define EEPROM_1000_EEPROM_VERSION (0x15C) + +/* 60x0 Specific */ +#define EEPROM_6000_EEPROM_VERSION (0x434) + /* OTP */ /* lower blocks contain EEPROM image and calibration data */ #define OTP_LOW_IMAGE_SIZE (2 * 512 * sizeof(u16)) /* 2 KB */ @@ -370,12 +378,10 @@ struct iwl_eeprom_calib_info { #define EEPROM_BOARD_PBA_NUMBER (2*0x3B+1) /* 9 bytes */ #define EEPROM_VERSION (2*0x44) /* 2 bytes */ #define EEPROM_SKU_CAP (2*0x45) /* 1 bytes */ -#define EEPROM_LEDS_MODE (2*0x45+1) /* 1 bytes */ #define EEPROM_OEM_MODE (2*0x46) /* 2 bytes */ #define EEPROM_WOWLAN_MODE (2*0x47) /* 2 bytes */ #define EEPROM_RADIO_CONFIG (2*0x48) /* 2 bytes */ #define EEPROM_3945_M_VERSION (2*0x4A) /* 1 bytes */ -#define EEPROM_ANTENNA_SWITCH_TYPE (2*0x4A+1) /* 1 bytes */ /* The following masks are to be applied on EEPROM_RADIO_CONFIG */ #define EEPROM_RF_CFG_TYPE_MSK(x) (x & 0x3) /* bits 0-1 */ @@ -387,7 +393,12 @@ struct iwl_eeprom_calib_info { #define EEPROM_3945_RF_CFG_TYPE_MAX 0x0 #define EEPROM_4965_RF_CFG_TYPE_MAX 0x1 -#define EEPROM_5000_RF_CFG_TYPE_MAX 0x3 + +/* Radio Config for 5000 and up */ +#define EEPROM_RF_CONFIG_TYPE_R3x3 0x0 +#define EEPROM_RF_CONFIG_TYPE_R2x2 0x1 +#define EEPROM_RF_CONFIG_TYPE_R1x2 0x2 +#define EEPROM_RF_CONFIG_TYPE_MAX 0x3 /* * Per-channel regulatory data. diff --git a/drivers/net/wireless/iwlwifi/iwl-io.h b/drivers/net/wireless/iwlwifi/iwl-io.h index d30cb0275d1..0a078b08283 100644 --- a/drivers/net/wireless/iwlwifi/iwl-io.h +++ b/drivers/net/wireless/iwlwifi/iwl-io.h @@ -32,6 +32,7 @@ #include <linux/io.h> #include "iwl-debug.h" +#include "iwl-devtrace.h" /* * IO, register, and NIC memory access functions @@ -61,7 +62,12 @@ * */ -#define _iwl_write32(priv, ofs, val) iowrite32((val), (priv)->hw_base + (ofs)) +static inline void _iwl_write32(struct iwl_priv *priv, u32 ofs, u32 val) +{ + trace_iwlwifi_dev_iowrite32(priv, ofs, val); + iowrite32(val, priv->hw_base + ofs); +} + #ifdef CONFIG_IWLWIFI_DEBUG static inline void __iwl_write32(const char *f, u32 l, struct iwl_priv *priv, u32 ofs, u32 val) @@ -75,7 +81,13 @@ static inline void __iwl_write32(const char *f, u32 l, struct iwl_priv *priv, #define iwl_write32(priv, ofs, val) _iwl_write32(priv, ofs, val) #endif -#define _iwl_read32(priv, ofs) ioread32((priv)->hw_base + (ofs)) +static inline u32 _iwl_read32(struct iwl_priv *priv, u32 ofs) +{ + u32 val = ioread32(priv->hw_base + ofs); + trace_iwlwifi_dev_ioread32(priv, ofs, val); + return val; +} + #ifdef CONFIG_IWLWIFI_DEBUG static inline u32 __iwl_read32(char *f, u32 l, struct iwl_priv *priv, u32 ofs) { diff --git a/drivers/net/wireless/iwlwifi/iwl-led.c b/drivers/net/wireless/iwlwifi/iwl-led.c index f420c99e724..478c90511eb 100644 --- a/drivers/net/wireless/iwlwifi/iwl-led.c +++ b/drivers/net/wireless/iwlwifi/iwl-led.c @@ -42,15 +42,11 @@ #include "iwl-core.h" #include "iwl-io.h" -#ifdef CONFIG_IWLWIFI_DEBUG -static const char *led_type_str[] = { - __stringify(IWL_LED_TRG_TX), - __stringify(IWL_LED_TRG_RX), - __stringify(IWL_LED_TRG_ASSOC), - __stringify(IWL_LED_TRG_RADIO), - NULL -}; -#endif /* CONFIG_IWLWIFI_DEBUG */ +/* default: IWL_LED_BLINK(0) using blinking index table */ +static int led_mode; +module_param(led_mode, int, S_IRUGO); +MODULE_PARM_DESC(led_mode, "led mode: 0=blinking, 1=On(RF On)/Off(RF Off), " + "(default 0)\n"); static const struct { @@ -65,11 +61,11 @@ static const struct { {70, 65, 65}, {50, 75, 75}, {20, 85, 85}, - {15, 95, 95 }, - {10, 110, 110}, - {5, 130, 130}, + {10, 95, 95}, + {5, 110, 110}, + {1, 130, 130}, {0, 167, 167}, -/* SOLID_ON */ + /* SOLID_ON */ {-1, IWL_LED_SOLID, 0} }; @@ -78,191 +74,74 @@ static const struct { #define IWL_MAX_BLINK_TBL (ARRAY_SIZE(blink_tbl) - 1) /* exclude SOLID_ON */ #define IWL_SOLID_BLINK_IDX (ARRAY_SIZE(blink_tbl) - 1) -/* [0-256] -> [0..8] FIXME: we need [0..10] */ -static inline int iwl_brightness_to_idx(enum led_brightness brightness) -{ - return fls(0x000000FF & (u32)brightness); -} - -/* Send led command */ -static int iwl_send_led_cmd(struct iwl_priv *priv, struct iwl_led_cmd *led_cmd) +/* + * Adjust led blink rate to compensate on a MAC Clock difference on every HW + * Led blink rate analysis showed an average deviation of 0% on 3945, + * 5% on 4965 HW and 20% on 5000 series and up. + * Need to compensate on the led on/off time per HW according to the deviation + * to achieve the desired led frequency + * The calculation is: (100-averageDeviation)/100 * blinkTime + * For code efficiency the calculation will be: + * compensation = (100 - averageDeviation) * 64 / 100 + * NewBlinkTime = (compensation * BlinkTime) / 64 + */ +static inline u8 iwl_blink_compensation(struct iwl_priv *priv, + u8 time, u16 compensation) { - struct iwl_host_cmd cmd = { - .id = REPLY_LEDS_CMD, - .len = sizeof(struct iwl_led_cmd), - .data = led_cmd, - .flags = CMD_ASYNC, - .callback = NULL, - }; - u32 reg; - - reg = iwl_read32(priv, CSR_LED_REG); - if (reg != (reg & CSR_LED_BSM_CTRL_MSK)) - iwl_write32(priv, CSR_LED_REG, reg & CSR_LED_BSM_CTRL_MSK); + if (!compensation) { + IWL_ERR(priv, "undefined blink compensation: " + "use pre-defined blinking time\n"); + return time; + } - return iwl_send_cmd(priv, &cmd); + return (u8)((time * compensation) >> 6); } /* Set led pattern command */ -static int iwl_led_pattern(struct iwl_priv *priv, int led_id, - unsigned int idx) +static int iwl_led_pattern(struct iwl_priv *priv, unsigned int idx) { struct iwl_led_cmd led_cmd = { - .id = led_id, + .id = IWL_LED_LINK, .interval = IWL_DEF_LED_INTRVL }; BUG_ON(idx > IWL_MAX_BLINK_TBL); - led_cmd.on = blink_tbl[idx].on_time; - led_cmd.off = blink_tbl[idx].off_time; - - return iwl_send_led_cmd(priv, &led_cmd); -} - -/* Set led register off */ -static int iwl_led_on_reg(struct iwl_priv *priv, int led_id) -{ - IWL_DEBUG_LED(priv, "led on %d\n", led_id); - iwl_write32(priv, CSR_LED_REG, CSR_LED_REG_TRUN_ON); - return 0; -} + IWL_DEBUG_LED(priv, "Led blink time compensation= %u\n", + priv->cfg->led_compensation); + led_cmd.on = + iwl_blink_compensation(priv, blink_tbl[idx].on_time, + priv->cfg->led_compensation); + led_cmd.off = + iwl_blink_compensation(priv, blink_tbl[idx].off_time, + priv->cfg->led_compensation); -#if 0 -/* Set led on command */ -static int iwl_led_on(struct iwl_priv *priv, int led_id) -{ - struct iwl_led_cmd led_cmd = { - .id = led_id, - .on = IWL_LED_SOLID, - .off = 0, - .interval = IWL_DEF_LED_INTRVL - }; - return iwl_send_led_cmd(priv, &led_cmd); + return priv->cfg->ops->led->cmd(priv, &led_cmd); } -/* Set led off command */ -int iwl_led_off(struct iwl_priv *priv, int led_id) +int iwl_led_start(struct iwl_priv *priv) { - struct iwl_led_cmd led_cmd = { - .id = led_id, - .on = 0, - .off = 0, - .interval = IWL_DEF_LED_INTRVL - }; - IWL_DEBUG_LED(priv, "led off %d\n", led_id); - return iwl_send_led_cmd(priv, &led_cmd); + return priv->cfg->ops->led->on(priv); } -#endif - +EXPORT_SYMBOL(iwl_led_start); -/* Set led register off */ -static int iwl_led_off_reg(struct iwl_priv *priv, int led_id) -{ - IWL_DEBUG_LED(priv, "LED Reg off\n"); - iwl_write32(priv, CSR_LED_REG, CSR_LED_REG_TRUN_OFF); - return 0; -} - -/* - * Set led register in case of disassociation according to rfkill state - */ -static int iwl_led_associate(struct iwl_priv *priv, int led_id) +int iwl_led_associate(struct iwl_priv *priv) { IWL_DEBUG_LED(priv, "Associated\n"); - priv->allow_blinking = 1; - return iwl_led_on_reg(priv, led_id); -} -static int iwl_led_disassociate(struct iwl_priv *priv, int led_id) -{ - priv->allow_blinking = 0; - - return 0; -} - -/* - * brightness call back function for Tx/Rx LED - */ -static int iwl_led_associated(struct iwl_priv *priv, int led_id) -{ - if (test_bit(STATUS_EXIT_PENDING, &priv->status) || - !test_bit(STATUS_READY, &priv->status)) - return 0; - + if (led_mode == IWL_LED_BLINK) + priv->allow_blinking = 1; + priv->last_blink_time = jiffies; - /* start counting Tx/Rx bytes */ - if (!priv->last_blink_time && priv->allow_blinking) - priv->last_blink_time = jiffies; return 0; } -/* - * brightness call back for association and radio - */ -static void iwl_led_brightness_set(struct led_classdev *led_cdev, - enum led_brightness brightness) +int iwl_led_disassociate(struct iwl_priv *priv) { - struct iwl_led *led = container_of(led_cdev, struct iwl_led, led_dev); - struct iwl_priv *priv = led->priv; - - if (test_bit(STATUS_EXIT_PENDING, &priv->status)) - return; - - - IWL_DEBUG_LED(priv, "Led type = %s brightness = %d\n", - led_type_str[led->type], brightness); - switch (brightness) { - case LED_FULL: - if (led->led_on) - led->led_on(priv, IWL_LED_LINK); - break; - case LED_OFF: - if (led->led_off) - led->led_off(priv, IWL_LED_LINK); - break; - default: - if (led->led_pattern) { - int idx = iwl_brightness_to_idx(brightness); - led->led_pattern(priv, IWL_LED_LINK, idx); - } - break; - } -} - - - -/* - * Register led class with the system - */ -static int iwl_leds_register_led(struct iwl_priv *priv, struct iwl_led *led, - enum led_type type, u8 set_led, - char *trigger) -{ - struct device *device = wiphy_dev(priv->hw->wiphy); - int ret; - - led->led_dev.name = led->name; - led->led_dev.brightness_set = iwl_led_brightness_set; - led->led_dev.default_trigger = trigger; - - led->priv = priv; - led->type = type; - - ret = led_classdev_register(device, &led->led_dev); - if (ret) { - IWL_ERR(priv, "Error: failed to register led handler.\n"); - return ret; - } - - led->registered = 1; - - if (set_led && led->led_on) - led->led_on(priv, IWL_LED_LINK); + priv->allow_blinking = 0; return 0; } - /* * calculate blink rate according to last second Tx/Rx activities */ @@ -288,7 +167,7 @@ static int iwl_get_blink_rate(struct iwl_priv *priv) i = IWL_MAX_BLINK_TBL; else for (i = 0; i < IWL_MAX_BLINK_TBL; i++) - if (tpt > (blink_tbl[i].tpt * IWL_1MB_RATE)) + if (tpt > (blink_tbl[i].tpt * IWL_1MB_RATE)) break; IWL_DEBUG_LED(priv, "LED BLINK IDX=%d\n", i); @@ -317,8 +196,7 @@ void iwl_leds_background(struct iwl_priv *priv) priv->last_blink_time = 0; if (priv->last_blink_rate != IWL_SOLID_BLINK_IDX) { priv->last_blink_rate = IWL_SOLID_BLINK_IDX; - iwl_led_pattern(priv, IWL_LED_LINK, - IWL_SOLID_BLINK_IDX); + iwl_led_pattern(priv, IWL_SOLID_BLINK_IDX); } return; } @@ -331,111 +209,18 @@ void iwl_leds_background(struct iwl_priv *priv) /* call only if blink rate change */ if (blink_idx != priv->last_blink_rate) - iwl_led_pattern(priv, IWL_LED_LINK, blink_idx); + iwl_led_pattern(priv, blink_idx); priv->last_blink_time = jiffies; priv->last_blink_rate = blink_idx; } +EXPORT_SYMBOL(iwl_leds_background); -/* Register all led handler */ -int iwl_leds_register(struct iwl_priv *priv) +void iwl_leds_init(struct iwl_priv *priv) { - char *trigger; - int ret; - priv->last_blink_rate = 0; priv->led_tpt = 0; priv->last_blink_time = 0; priv->allow_blinking = 0; - - trigger = ieee80211_get_radio_led_name(priv->hw); - snprintf(priv->led[IWL_LED_TRG_RADIO].name, - sizeof(priv->led[IWL_LED_TRG_RADIO].name), "iwl-%s::radio", - wiphy_name(priv->hw->wiphy)); - - priv->led[IWL_LED_TRG_RADIO].led_on = iwl_led_on_reg; - priv->led[IWL_LED_TRG_RADIO].led_off = iwl_led_off_reg; - priv->led[IWL_LED_TRG_RADIO].led_pattern = NULL; - - ret = iwl_leds_register_led(priv, &priv->led[IWL_LED_TRG_RADIO], - IWL_LED_TRG_RADIO, 1, trigger); - if (ret) - goto exit_fail; - - trigger = ieee80211_get_assoc_led_name(priv->hw); - snprintf(priv->led[IWL_LED_TRG_ASSOC].name, - sizeof(priv->led[IWL_LED_TRG_ASSOC].name), "iwl-%s::assoc", - wiphy_name(priv->hw->wiphy)); - - ret = iwl_leds_register_led(priv, &priv->led[IWL_LED_TRG_ASSOC], - IWL_LED_TRG_ASSOC, 0, trigger); - - /* for assoc always turn led on */ - priv->led[IWL_LED_TRG_ASSOC].led_on = iwl_led_associate; - priv->led[IWL_LED_TRG_ASSOC].led_off = iwl_led_disassociate; - priv->led[IWL_LED_TRG_ASSOC].led_pattern = NULL; - - if (ret) - goto exit_fail; - - trigger = ieee80211_get_rx_led_name(priv->hw); - snprintf(priv->led[IWL_LED_TRG_RX].name, - sizeof(priv->led[IWL_LED_TRG_RX].name), "iwl-%s::RX", - wiphy_name(priv->hw->wiphy)); - - ret = iwl_leds_register_led(priv, &priv->led[IWL_LED_TRG_RX], - IWL_LED_TRG_RX, 0, trigger); - - priv->led[IWL_LED_TRG_RX].led_on = iwl_led_associated; - priv->led[IWL_LED_TRG_RX].led_off = iwl_led_associated; - priv->led[IWL_LED_TRG_RX].led_pattern = iwl_led_pattern; - - if (ret) - goto exit_fail; - - trigger = ieee80211_get_tx_led_name(priv->hw); - snprintf(priv->led[IWL_LED_TRG_TX].name, - sizeof(priv->led[IWL_LED_TRG_TX].name), "iwl-%s::TX", - wiphy_name(priv->hw->wiphy)); - - ret = iwl_leds_register_led(priv, &priv->led[IWL_LED_TRG_TX], - IWL_LED_TRG_TX, 0, trigger); - - priv->led[IWL_LED_TRG_TX].led_on = iwl_led_associated; - priv->led[IWL_LED_TRG_TX].led_off = iwl_led_associated; - priv->led[IWL_LED_TRG_TX].led_pattern = iwl_led_pattern; - - if (ret) - goto exit_fail; - - return 0; - -exit_fail: - iwl_leds_unregister(priv); - return ret; } -EXPORT_SYMBOL(iwl_leds_register); - -/* unregister led class */ -static void iwl_leds_unregister_led(struct iwl_led *led, u8 set_led) -{ - if (!led->registered) - return; - - led_classdev_unregister(&led->led_dev); - - if (set_led) - led->led_dev.brightness_set(&led->led_dev, LED_OFF); - led->registered = 0; -} - -/* Unregister all led handlers */ -void iwl_leds_unregister(struct iwl_priv *priv) -{ - iwl_leds_unregister_led(&priv->led[IWL_LED_TRG_ASSOC], 0); - iwl_leds_unregister_led(&priv->led[IWL_LED_TRG_RX], 0); - iwl_leds_unregister_led(&priv->led[IWL_LED_TRG_TX], 0); - iwl_leds_unregister_led(&priv->led[IWL_LED_TRG_RADIO], 1); -} -EXPORT_SYMBOL(iwl_leds_unregister); - +EXPORT_SYMBOL(iwl_leds_init); diff --git a/drivers/net/wireless/iwlwifi/iwl-led.h b/drivers/net/wireless/iwlwifi/iwl-led.h index ef9b174c37f..f47f053f02e 100644 --- a/drivers/net/wireless/iwlwifi/iwl-led.h +++ b/drivers/net/wireless/iwlwifi/iwl-led.h @@ -30,9 +30,6 @@ struct iwl_priv; -#ifdef CONFIG_IWLWIFI_LEDS -#include <linux/leds.h> - #define IWL_LED_SOLID 11 #define IWL_LED_NAME_LEN 31 #define IWL_DEF_LED_INTRVL cpu_to_le32(1000) @@ -47,38 +44,23 @@ enum led_type { IWL_LED_TRG_RADIO, IWL_LED_TRG_MAX, }; -#endif - -#ifdef CONFIG_IWLWIFI_LEDS - -struct iwl_led { - struct iwl_priv *priv; - struct led_classdev led_dev; - char name[32]; - int (*led_on) (struct iwl_priv *priv, int led_id); - int (*led_off) (struct iwl_priv *priv, int led_id); - int (*led_pattern) (struct iwl_priv *priv, int led_id, unsigned int idx); - - enum led_type type; - unsigned int registered; +/* + * LED mode + * IWL_LED_BLINK: adjust led blink rate based on blink table + * IWL_LED_RF_STATE: turn LED on/off based on RF state + * LED ON = RF ON + * LED OFF = RF OFF + */ +enum iwl_led_mode { + IWL_LED_BLINK, + IWL_LED_RF_STATE, }; -int iwl_leds_register(struct iwl_priv *priv); -void iwl_leds_unregister(struct iwl_priv *priv); +void iwl_leds_init(struct iwl_priv *priv); void iwl_leds_background(struct iwl_priv *priv); +int iwl_led_start(struct iwl_priv *priv); +int iwl_led_associate(struct iwl_priv *priv); +int iwl_led_disassociate(struct iwl_priv *priv); -#else -static inline int iwl_leds_register(struct iwl_priv *priv) -{ - return 0; -} -static inline void iwl_leds_unregister(struct iwl_priv *priv) -{ -} -static inline void iwl_leds_background(struct iwl_priv *priv) -{ -} - -#endif /* CONFIG_IWLWIFI_LEDS */ #endif /* __iwl_leds_h__ */ diff --git a/drivers/net/wireless/iwlwifi/iwl-power.c b/drivers/net/wireless/iwlwifi/iwl-power.c index 60be976afff..9c6b1495206 100644 --- a/drivers/net/wireless/iwlwifi/iwl-power.c +++ b/drivers/net/wireless/iwlwifi/iwl-power.c @@ -165,26 +165,26 @@ static void iwl_static_sleep_cmd(struct iwl_priv *priv, *============================================================================= * Condition Nxt State Condition Nxt State Condition Nxt State *----------------------------------------------------------------------------- - * IWL_TI_0 T >= 115 CT_KILL 115>T>=105 TI_1 N/A N/A - * IWL_TI_1 T >= 115 CT_KILL 115>T>=110 TI_2 T<=95 TI_0 - * IWL_TI_2 T >= 115 CT_KILL T<=100 TI_1 + * IWL_TI_0 T >= 114 CT_KILL 114>T>=105 TI_1 N/A N/A + * IWL_TI_1 T >= 114 CT_KILL 114>T>=110 TI_2 T<=95 TI_0 + * IWL_TI_2 T >= 114 CT_KILL T<=100 TI_1 * IWL_CT_KILL N/A N/A N/A N/A T<=95 TI_0 *============================================================================= */ static const struct iwl_tt_trans tt_range_0[IWL_TI_STATE_MAX - 1] = { {IWL_TI_0, IWL_ABSOLUTE_ZERO, 104}, - {IWL_TI_1, 105, CT_KILL_THRESHOLD}, - {IWL_TI_CT_KILL, CT_KILL_THRESHOLD + 1, IWL_ABSOLUTE_MAX} + {IWL_TI_1, 105, CT_KILL_THRESHOLD - 1}, + {IWL_TI_CT_KILL, CT_KILL_THRESHOLD, IWL_ABSOLUTE_MAX} }; static const struct iwl_tt_trans tt_range_1[IWL_TI_STATE_MAX - 1] = { {IWL_TI_0, IWL_ABSOLUTE_ZERO, 95}, - {IWL_TI_2, 110, CT_KILL_THRESHOLD}, - {IWL_TI_CT_KILL, CT_KILL_THRESHOLD + 1, IWL_ABSOLUTE_MAX} + {IWL_TI_2, 110, CT_KILL_THRESHOLD - 1}, + {IWL_TI_CT_KILL, CT_KILL_THRESHOLD, IWL_ABSOLUTE_MAX} }; static const struct iwl_tt_trans tt_range_2[IWL_TI_STATE_MAX - 1] = { {IWL_TI_1, IWL_ABSOLUTE_ZERO, 100}, - {IWL_TI_CT_KILL, CT_KILL_THRESHOLD + 1, IWL_ABSOLUTE_MAX}, - {IWL_TI_CT_KILL, CT_KILL_THRESHOLD + 1, IWL_ABSOLUTE_MAX} + {IWL_TI_CT_KILL, CT_KILL_THRESHOLD, IWL_ABSOLUTE_MAX}, + {IWL_TI_CT_KILL, CT_KILL_THRESHOLD, IWL_ABSOLUTE_MAX} }; static const struct iwl_tt_trans tt_range_3[IWL_TI_STATE_MAX - 1] = { {IWL_TI_0, IWL_ABSOLUTE_ZERO, CT_KILL_EXIT_THRESHOLD}, @@ -294,6 +294,9 @@ int iwl_power_update_mode(struct iwl_priv *priv, bool force) if (priv->cfg->broken_powersave) iwl_power_sleep_cam_cmd(priv, &cmd); + else if (priv->cfg->supports_idle && + priv->hw->conf.flags & IEEE80211_CONF_IDLE) + iwl_static_sleep_cmd(priv, &cmd, IWL_POWER_INDEX_5, 20); else if (tt->state >= IWL_TI_1) iwl_static_sleep_cmd(priv, &cmd, tt->tt_power_mode, dtimper); else if (!enabled) @@ -348,6 +351,23 @@ bool iwl_ht_enabled(struct iwl_priv *priv) } EXPORT_SYMBOL(iwl_ht_enabled); +bool iwl_within_ct_kill_margin(struct iwl_priv *priv) +{ + s32 temp = priv->temperature; /* degrees CELSIUS except 4965 */ + bool within_margin = false; + + if ((priv->hw_rev & CSR_HW_REV_TYPE_MSK) == CSR_HW_REV_TYPE_4965) + temp = KELVIN_TO_CELSIUS(priv->temperature); + + if (!priv->thermal_throttle.advanced_tt) + within_margin = ((temp + IWL_TT_CT_KILL_MARGIN) >= + CT_KILL_THRESHOLD_LEGACY) ? true : false; + else + within_margin = ((temp + IWL_TT_CT_KILL_MARGIN) >= + CT_KILL_THRESHOLD) ? true : false; + return within_margin; +} + enum iwl_antenna_ok iwl_tx_ant_restriction(struct iwl_priv *priv) { struct iwl_tt_mgmt *tt = &priv->thermal_throttle; @@ -372,6 +392,7 @@ enum iwl_antenna_ok iwl_rx_ant_restriction(struct iwl_priv *priv) } #define CT_KILL_EXIT_DURATION (5) /* 5 seconds duration */ +#define CT_KILL_WAITING_DURATION (300) /* 300ms duration */ /* * toggle the bit to wake up uCode and check the temperature @@ -409,6 +430,7 @@ static void iwl_tt_check_exit_ct_kill(unsigned long data) /* Reschedule the ct_kill timer to occur in * CT_KILL_EXIT_DURATION seconds to ensure we get a * thermal update */ + IWL_DEBUG_POWER(priv, "schedule ct_kill exit timer\n"); mod_timer(&priv->thermal_throttle.ct_kill_exit_tm, jiffies + CT_KILL_EXIT_DURATION * HZ); } @@ -432,6 +454,33 @@ static void iwl_perform_ct_kill_task(struct iwl_priv *priv, } } +static void iwl_tt_ready_for_ct_kill(unsigned long data) +{ + struct iwl_priv *priv = (struct iwl_priv *)data; + struct iwl_tt_mgmt *tt = &priv->thermal_throttle; + + if (test_bit(STATUS_EXIT_PENDING, &priv->status)) + return; + + /* temperature timer expired, ready to go into CT_KILL state */ + if (tt->state != IWL_TI_CT_KILL) { + IWL_DEBUG_POWER(priv, "entering CT_KILL state when temperature timer expired\n"); + tt->state = IWL_TI_CT_KILL; + set_bit(STATUS_CT_KILL, &priv->status); + iwl_perform_ct_kill_task(priv, true); + } +} + +static void iwl_prepare_ct_kill_task(struct iwl_priv *priv) +{ + IWL_DEBUG_POWER(priv, "Prepare to enter IWL_TI_CT_KILL\n"); + /* make request to retrieve statistics information */ + iwl_send_statistics_request(priv, 0); + /* Reschedule the ct_kill wait timer */ + mod_timer(&priv->thermal_throttle.ct_kill_waiting_tm, + jiffies + msecs_to_jiffies(CT_KILL_WAITING_DURATION)); +} + #define IWL_MINIMAL_POWER_THRESHOLD (CT_KILL_THRESHOLD_LEGACY) #define IWL_REDUCED_PERFORMANCE_THRESHOLD_2 (100) #define IWL_REDUCED_PERFORMANCE_THRESHOLD_1 (90) @@ -445,7 +494,7 @@ static void iwl_perform_ct_kill_task(struct iwl_priv *priv, * Throttle early enough to lower the power consumption before * drastic steps are needed */ -static void iwl_legacy_tt_handler(struct iwl_priv *priv, s32 temp) +static void iwl_legacy_tt_handler(struct iwl_priv *priv, s32 temp, bool force) { struct iwl_tt_mgmt *tt = &priv->thermal_throttle; enum iwl_tt_state old_state; @@ -474,6 +523,8 @@ static void iwl_legacy_tt_handler(struct iwl_priv *priv, s32 temp) #ifdef CONFIG_IWLWIFI_DEBUG tt->tt_previous_temp = temp; #endif + /* stop ct_kill_waiting_tm timer */ + del_timer_sync(&priv->thermal_throttle.ct_kill_waiting_tm); if (tt->state != old_state) { switch (tt->state) { case IWL_TI_0: @@ -494,17 +545,28 @@ static void iwl_legacy_tt_handler(struct iwl_priv *priv, s32 temp) break; } mutex_lock(&priv->mutex); - if (iwl_power_update_mode(priv, true)) { + if (old_state == IWL_TI_CT_KILL) + clear_bit(STATUS_CT_KILL, &priv->status); + if (tt->state != IWL_TI_CT_KILL && + iwl_power_update_mode(priv, true)) { /* TT state not updated * try again during next temperature read */ + if (old_state == IWL_TI_CT_KILL) + set_bit(STATUS_CT_KILL, &priv->status); tt->state = old_state; IWL_ERR(priv, "Cannot update power mode, " "TT state not updated\n"); } else { - if (tt->state == IWL_TI_CT_KILL) - iwl_perform_ct_kill_task(priv, true); - else if (old_state == IWL_TI_CT_KILL && + if (tt->state == IWL_TI_CT_KILL) { + if (force) { + set_bit(STATUS_CT_KILL, &priv->status); + iwl_perform_ct_kill_task(priv, true); + } else { + iwl_prepare_ct_kill_task(priv); + tt->state = old_state; + } + } else if (old_state == IWL_TI_CT_KILL && tt->state != IWL_TI_CT_KILL) iwl_perform_ct_kill_task(priv, false); IWL_DEBUG_POWER(priv, "Temperature state changed %u\n", @@ -531,13 +593,13 @@ static void iwl_legacy_tt_handler(struct iwl_priv *priv, s32 temp) *============================================================================= * Condition Nxt State Condition Nxt State Condition Nxt State *----------------------------------------------------------------------------- - * IWL_TI_0 T >= 115 CT_KILL 115>T>=105 TI_1 N/A N/A - * IWL_TI_1 T >= 115 CT_KILL 115>T>=110 TI_2 T<=95 TI_0 - * IWL_TI_2 T >= 115 CT_KILL T<=100 TI_1 + * IWL_TI_0 T >= 114 CT_KILL 114>T>=105 TI_1 N/A N/A + * IWL_TI_1 T >= 114 CT_KILL 114>T>=110 TI_2 T<=95 TI_0 + * IWL_TI_2 T >= 114 CT_KILL T<=100 TI_1 * IWL_CT_KILL N/A N/A N/A N/A T<=95 TI_0 *============================================================================= */ -static void iwl_advance_tt_handler(struct iwl_priv *priv, s32 temp) +static void iwl_advance_tt_handler(struct iwl_priv *priv, s32 temp, bool force) { struct iwl_tt_mgmt *tt = &priv->thermal_throttle; int i; @@ -582,6 +644,8 @@ static void iwl_advance_tt_handler(struct iwl_priv *priv, s32 temp) break; } } + /* stop ct_kill_waiting_tm timer */ + del_timer_sync(&priv->thermal_throttle.ct_kill_waiting_tm); if (changed) { struct iwl_rxon_cmd *rxon = &priv->staging_rxon; @@ -613,12 +677,17 @@ static void iwl_advance_tt_handler(struct iwl_priv *priv, s32 temp) iwl_set_rxon_ht(priv, &priv->current_ht_config); } mutex_lock(&priv->mutex); - if (iwl_power_update_mode(priv, true)) { + if (old_state == IWL_TI_CT_KILL) + clear_bit(STATUS_CT_KILL, &priv->status); + if (tt->state != IWL_TI_CT_KILL && + iwl_power_update_mode(priv, true)) { /* TT state not updated * try again during next temperature read */ IWL_ERR(priv, "Cannot update power mode, " "TT state not updated\n"); + if (old_state == IWL_TI_CT_KILL) + set_bit(STATUS_CT_KILL, &priv->status); tt->state = old_state; } else { IWL_DEBUG_POWER(priv, @@ -626,9 +695,15 @@ static void iwl_advance_tt_handler(struct iwl_priv *priv, s32 temp) tt->state); if (old_state != IWL_TI_CT_KILL && tt->state == IWL_TI_CT_KILL) { - IWL_DEBUG_POWER(priv, "Enter IWL_TI_CT_KILL\n"); - iwl_perform_ct_kill_task(priv, true); - + if (force) { + IWL_DEBUG_POWER(priv, + "Enter IWL_TI_CT_KILL\n"); + set_bit(STATUS_CT_KILL, &priv->status); + iwl_perform_ct_kill_task(priv, true); + } else { + iwl_prepare_ct_kill_task(priv); + tt->state = old_state; + } } else if (old_state == IWL_TI_CT_KILL && tt->state != IWL_TI_CT_KILL) { IWL_DEBUG_POWER(priv, "Exit IWL_TI_CT_KILL\n"); @@ -665,10 +740,11 @@ static void iwl_bg_ct_enter(struct work_struct *work) "- ucode going to sleep!\n"); if (!priv->thermal_throttle.advanced_tt) iwl_legacy_tt_handler(priv, - IWL_MINIMAL_POWER_THRESHOLD); + IWL_MINIMAL_POWER_THRESHOLD, + true); else iwl_advance_tt_handler(priv, - CT_KILL_THRESHOLD + 1); + CT_KILL_THRESHOLD + 1, true); } } @@ -695,11 +771,18 @@ static void iwl_bg_ct_exit(struct work_struct *work) IWL_ERR(priv, "Device temperature below critical" "- ucode awake!\n"); + /* + * exit from CT_KILL state + * reset the current temperature reading + */ + priv->temperature = 0; if (!priv->thermal_throttle.advanced_tt) iwl_legacy_tt_handler(priv, - IWL_REDUCED_PERFORMANCE_THRESHOLD_2); + IWL_REDUCED_PERFORMANCE_THRESHOLD_2, + true); else - iwl_advance_tt_handler(priv, CT_KILL_EXIT_THRESHOLD); + iwl_advance_tt_handler(priv, CT_KILL_EXIT_THRESHOLD, + true); } } @@ -735,9 +818,9 @@ static void iwl_bg_tt_work(struct work_struct *work) temp = KELVIN_TO_CELSIUS(priv->temperature); if (!priv->thermal_throttle.advanced_tt) - iwl_legacy_tt_handler(priv, temp); + iwl_legacy_tt_handler(priv, temp, false); else - iwl_advance_tt_handler(priv, temp); + iwl_advance_tt_handler(priv, temp, false); } void iwl_tt_handler(struct iwl_priv *priv) @@ -768,8 +851,12 @@ void iwl_tt_initialize(struct iwl_priv *priv) tt->state = IWL_TI_0; init_timer(&priv->thermal_throttle.ct_kill_exit_tm); priv->thermal_throttle.ct_kill_exit_tm.data = (unsigned long)priv; - priv->thermal_throttle.ct_kill_exit_tm.function = iwl_tt_check_exit_ct_kill; - + priv->thermal_throttle.ct_kill_exit_tm.function = + iwl_tt_check_exit_ct_kill; + init_timer(&priv->thermal_throttle.ct_kill_waiting_tm); + priv->thermal_throttle.ct_kill_waiting_tm.data = (unsigned long)priv; + priv->thermal_throttle.ct_kill_waiting_tm.function = + iwl_tt_ready_for_ct_kill; /* setup deferred ct kill work */ INIT_WORK(&priv->tt_work, iwl_bg_tt_work); INIT_WORK(&priv->ct_enter, iwl_bg_ct_enter); @@ -826,6 +913,8 @@ void iwl_tt_exit(struct iwl_priv *priv) /* stop ct_kill_exit_tm timer if activated */ del_timer_sync(&priv->thermal_throttle.ct_kill_exit_tm); + /* stop ct_kill_waiting_tm timer if activated */ + del_timer_sync(&priv->thermal_throttle.ct_kill_waiting_tm); cancel_work_sync(&priv->tt_work); cancel_work_sync(&priv->ct_enter); cancel_work_sync(&priv->ct_exit); diff --git a/drivers/net/wireless/iwlwifi/iwl-power.h b/drivers/net/wireless/iwlwifi/iwl-power.h index df6f6a49712..310c32e8f69 100644 --- a/drivers/net/wireless/iwlwifi/iwl-power.h +++ b/drivers/net/wireless/iwlwifi/iwl-power.h @@ -33,6 +33,7 @@ #define IWL_ABSOLUTE_ZERO 0 #define IWL_ABSOLUTE_MAX 0xFFFFFFFF #define IWL_TT_INCREASE_MARGIN 5 +#define IWL_TT_CT_KILL_MARGIN 3 enum iwl_antenna_ok { IWL_ANT_OK_NONE, @@ -110,6 +111,7 @@ struct iwl_tt_mgmt { struct iwl_tt_restriction *restriction; struct iwl_tt_trans *transaction; struct timer_list ct_kill_exit_tm; + struct timer_list ct_kill_waiting_tm; }; enum iwl_power_level { @@ -129,6 +131,7 @@ struct iwl_power_mgr { int iwl_power_update_mode(struct iwl_priv *priv, bool force); bool iwl_ht_enabled(struct iwl_priv *priv); +bool iwl_within_ct_kill_margin(struct iwl_priv *priv); enum iwl_antenna_ok iwl_tx_ant_restriction(struct iwl_priv *priv); enum iwl_antenna_ok iwl_rx_ant_restriction(struct iwl_priv *priv); void iwl_tt_enter_ct_kill(struct iwl_priv *priv); diff --git a/drivers/net/wireless/iwlwifi/iwl-scan.c b/drivers/net/wireless/iwlwifi/iwl-scan.c index 4f3a108fa99..41f9a062125 100644 --- a/drivers/net/wireless/iwlwifi/iwl-scan.c +++ b/drivers/net/wireless/iwlwifi/iwl-scan.c @@ -27,7 +27,6 @@ *****************************************************************************/ #include <linux/types.h> #include <linux/etherdevice.h> -#include <net/lib80211.h> #include <net/mac80211.h> #include "iwl-eeprom.h" diff --git a/drivers/net/wireless/iwlwifi/iwl-tx.c b/drivers/net/wireless/iwlwifi/iwl-tx.c index c1890754470..c832ba085db 100644 --- a/drivers/net/wireless/iwlwifi/iwl-tx.c +++ b/drivers/net/wireless/iwlwifi/iwl-tx.c @@ -709,7 +709,7 @@ int iwl_tx_skb(struct iwl_priv *priv, struct sk_buff *skb) dma_addr_t phys_addr; dma_addr_t txcmd_phys; dma_addr_t scratch_phys; - u16 len, len_org; + u16 len, len_org, firstlen, secondlen; u16 seq_number = 0; __le16 fc; u8 hdr_len; @@ -842,7 +842,7 @@ int iwl_tx_skb(struct iwl_priv *priv, struct sk_buff *skb) sizeof(struct iwl_cmd_header) + hdr_len; len_org = len; - len = (len + 3) & ~3; + firstlen = len = (len + 3) & ~3; if (len_org != len) len_org = 1; @@ -876,7 +876,7 @@ int iwl_tx_skb(struct iwl_priv *priv, struct sk_buff *skb) /* Set up TFD's 2nd entry to point directly to remainder of skb, * if any (802.11 null frames have no payload). */ - len = skb->len - hdr_len; + secondlen = len = skb->len - hdr_len; if (len) { phys_addr = pci_map_single(priv->pci_dev, skb->data + hdr_len, len, PCI_DMA_TODEVICE); @@ -910,6 +910,12 @@ int iwl_tx_skb(struct iwl_priv *priv, struct sk_buff *skb) pci_dma_sync_single_for_device(priv->pci_dev, txcmd_phys, len, PCI_DMA_BIDIRECTIONAL); + trace_iwlwifi_dev_tx(priv, + &((struct iwl_tfd *)txq->tfds)[txq->q.write_ptr], + sizeof(struct iwl_tfd), + &out_cmd->hdr, firstlen, + skb->data + hdr_len, secondlen); + /* Tell device the write index *just past* this latest filled TFD */ q->write_ptr = iwl_queue_inc_wrap(q->write_ptr, q->n_bd); ret = iwl_txq_update_write_ptr(priv, txq); @@ -969,13 +975,19 @@ int iwl_enqueue_hcmd(struct iwl_priv *priv, struct iwl_host_cmd *cmd) BUG_ON((fix_size > TFD_MAX_PAYLOAD_SIZE) && !(cmd->flags & CMD_SIZE_HUGE)); - if (iwl_is_rfkill(priv)) { - IWL_DEBUG_INFO(priv, "Not sending command - RF KILL\n"); + if (iwl_is_rfkill(priv) || iwl_is_ctkill(priv)) { + IWL_DEBUG_INFO(priv, "Not sending command - RF/CT KILL\n"); return -EIO; } if (iwl_queue_space(q) < ((cmd->flags & CMD_ASYNC) ? 2 : 1)) { IWL_ERR(priv, "No space for Tx\n"); + if (iwl_within_ct_kill_margin(priv)) + iwl_tt_enter_ct_kill(priv); + else { + IWL_ERR(priv, "Restarting adapter due to queue full\n"); + queue_work(priv->workqueue, &priv->restart); + } return -ENOSPC; } @@ -1038,6 +1050,8 @@ int iwl_enqueue_hcmd(struct iwl_priv *priv, struct iwl_host_cmd *cmd) pci_unmap_addr_set(out_meta, mapping, phys_addr); pci_unmap_len_set(out_meta, len, fix_size); + trace_iwlwifi_dev_hcmd(priv, &out_cmd->hdr, fix_size, cmd->flags); + priv->cfg->ops->lib->txq_attach_buf_to_tfd(priv, txq, phys_addr, fix_size, 1, U32_PAD(cmd->len)); @@ -1400,7 +1414,7 @@ static int iwl_tx_status_reply_compressed_ba(struct iwl_priv *priv, info = IEEE80211_SKB_CB(priv->txq[scd_flow].txb[agg->start_idx].skb[0]); memset(&info->status, 0, sizeof(info->status)); - info->flags = IEEE80211_TX_STAT_ACK; + info->flags |= IEEE80211_TX_STAT_ACK; info->flags |= IEEE80211_TX_STAT_AMPDU; info->status.ampdu_ack_map = successes; info->status.ampdu_ack_len = agg->frame_count; diff --git a/drivers/net/wireless/iwlwifi/iwl3945-base.c b/drivers/net/wireless/iwlwifi/iwl3945-base.c index c390dbd877e..ecbe036ecb6 100644 --- a/drivers/net/wireless/iwlwifi/iwl3945-base.c +++ b/drivers/net/wireless/iwlwifi/iwl3945-base.c @@ -41,7 +41,6 @@ #include <linux/if_arp.h> #include <net/ieee80211_radiotap.h> -#include <net/lib80211.h> #include <net/mac80211.h> #include <asm/div64.h> @@ -456,9 +455,6 @@ static void iwl3945_build_tx_cmd_basic(struct iwl_priv *priv, tx->timeout.pm_frame_timeout = cpu_to_le16(2); } else { tx->timeout.pm_frame_timeout = 0; -#ifdef CONFIG_IWLWIFI_LEDS - priv->rxtxpackets += le16_to_cpu(cmd->cmd.tx.len); -#endif } tx->driver_txop = 0; @@ -1405,6 +1401,9 @@ static void iwl3945_rx_handle(struct iwl_priv *priv) PCI_DMA_FROMDEVICE); pkt = (struct iwl_rx_packet *)rxb->skb->data; + trace_iwlwifi_dev_rx(priv, pkt, + le32_to_cpu(pkt->len_n_flags) & FH_RSCSR_FRAME_SIZE_MSK); + /* Reclaim a command buffer only if this packet is a response * to a (driver-originated) command. * If the packet (e.g. Rx frame) originated from uCode, @@ -1550,8 +1549,9 @@ void iwl3945_dump_nic_error_log(struct iwl_priv *priv) "%-13s (#%d) %010u 0x%05X 0x%05X 0x%05X 0x%05X %u\n\n", desc_lookup(desc), desc, time, blink1, blink2, ilink1, ilink2, data1); + trace_iwlwifi_dev_ucode_error(priv, desc, time, data1, 0, + 0, blink1, blink2, ilink1, ilink2); } - } #define EVENT_START_OFFSET (6 * sizeof(u32)) @@ -1591,10 +1591,12 @@ static void iwl3945_print_event_log(struct iwl_priv *priv, u32 start_idx, if (mode == 0) { /* data, ev */ IWL_ERR(priv, "0x%08x\t%04u\n", time, ev); + trace_iwlwifi_dev_ucode_event(priv, 0, time, ev); } else { data = iwl_read_targ_mem(priv, ptr); ptr += sizeof(u32); IWL_ERR(priv, "%010u\t0x%08x\t%04u\n", time, data, ev); + trace_iwlwifi_dev_ucode_event(priv, time, data, ev); } } } @@ -2478,7 +2480,7 @@ static void iwl3945_alive_start(struct iwl_priv *priv) iwl3945_reg_txpower_periodic(priv); - iwl3945_led_register(priv); + iwl_leds_init(priv); IWL_DEBUG_INFO(priv, "ALIVE processing complete.\n"); set_bit(STATUS_READY, &priv->status); @@ -2516,7 +2518,6 @@ static void __iwl3945_down(struct iwl_priv *priv) if (!exit_pending) set_bit(STATUS_EXIT_PENDING, &priv->status); - iwl3945_led_unregister(priv); iwl_clear_stations_table(priv); /* Unblock any waiting calls */ @@ -3151,6 +3152,8 @@ static int iwl3945_mac_start(struct ieee80211_hw *hw) * no need to poll the killswitch state anymore */ cancel_delayed_work(&priv->rfkill_poll); + iwl_led_start(priv); + priv->is_open = 1; IWL_DEBUG_MAC80211(priv, "leave\n"); return 0; @@ -4225,18 +4228,19 @@ static void __exit iwl3945_exit(void) MODULE_FIRMWARE(IWL3945_MODULE_FIRMWARE(IWL3945_UCODE_API_MAX)); -module_param_named(antenna, iwl3945_mod_params.antenna, int, 0444); +module_param_named(antenna, iwl3945_mod_params.antenna, int, S_IRUGO); MODULE_PARM_DESC(antenna, "select antenna (1=Main, 2=Aux, default 0 [both])"); -module_param_named(swcrypto, iwl3945_mod_params.sw_crypto, int, 0444); +module_param_named(swcrypto, iwl3945_mod_params.sw_crypto, int, S_IRUGO); MODULE_PARM_DESC(swcrypto, "using software crypto (default 1 [software])\n"); #ifdef CONFIG_IWLWIFI_DEBUG -module_param_named(debug, iwl_debug_level, uint, 0644); +module_param_named(debug, iwl_debug_level, uint, S_IRUGO | S_IWUSR); MODULE_PARM_DESC(debug, "debug output mask"); #endif -module_param_named(disable_hw_scan, iwl3945_mod_params.disable_hw_scan, int, 0444); +module_param_named(disable_hw_scan, iwl3945_mod_params.disable_hw_scan, + int, S_IRUGO); MODULE_PARM_DESC(disable_hw_scan, "disable hardware scanning (default 0)"); -module_param_named(fw_restart3945, iwl3945_mod_params.restart_fw, int, 0444); +module_param_named(fw_restart3945, iwl3945_mod_params.restart_fw, int, S_IRUGO); MODULE_PARM_DESC(fw_restart3945, "restart firmware in case of error"); module_exit(iwl3945_exit); |