diff options
Diffstat (limited to 'drivers/net/wireless/b43legacy')
| -rw-r--r-- | drivers/net/wireless/b43legacy/main.c | 79 | ||||
| -rw-r--r-- | drivers/net/wireless/b43legacy/xmit.c | 3 |
2 files changed, 52 insertions, 30 deletions
diff --git a/drivers/net/wireless/b43legacy/main.c b/drivers/net/wireless/b43legacy/main.c index af75f41668c..c9fe09dda94 100644 --- a/drivers/net/wireless/b43legacy/main.c +++ b/drivers/net/wireless/b43legacy/main.c @@ -75,14 +75,6 @@ module_param_named(bad_frames_preempt, modparam_bad_frames_preempt, int, 0444); MODULE_PARM_DESC(bad_frames_preempt, "enable(1) / disable(0) Bad Frames" " Preemption"); -static int modparam_short_retry = B43legacy_DEFAULT_SHORT_RETRY_LIMIT; -module_param_named(short_retry, modparam_short_retry, int, 0444); -MODULE_PARM_DESC(short_retry, "Short-Retry-Limit (0 - 15)"); - -static int modparam_long_retry = B43legacy_DEFAULT_LONG_RETRY_LIMIT; -module_param_named(long_retry, modparam_long_retry, int, 0444); -MODULE_PARM_DESC(long_retry, "Long-Retry-Limit (0 - 15)"); - static char modparam_fwpostfix[16]; module_param_string(fwpostfix, modparam_fwpostfix, 16, 0444); MODULE_PARM_DESC(fwpostfix, "Postfix for the firmware files to load."); @@ -2930,6 +2922,20 @@ static void b43legacy_imcfglo_timeouts_workaround(struct b43legacy_wldev *dev) #endif /* CONFIG_SSB_DRIVER_PCICORE */ } +/* Write the short and long frame retry limit values. */ +static void b43legacy_set_retry_limits(struct b43legacy_wldev *dev, + unsigned int short_retry, + unsigned int long_retry) +{ + /* The retry limit is a 4-bit counter. Enforce this to avoid overflowing + * the chip-internal counter. */ + short_retry = min(short_retry, (unsigned int)0xF); + long_retry = min(long_retry, (unsigned int)0xF); + + b43legacy_shm_write16(dev, B43legacy_SHM_WIRELESS, 0x0006, short_retry); + b43legacy_shm_write16(dev, B43legacy_SHM_WIRELESS, 0x0007, long_retry); +} + /* Shutdown a wireless core */ /* Locking: wl->mutex */ static void b43legacy_wireless_core_exit(struct b43legacy_wldev *dev) @@ -3067,16 +3073,9 @@ static int b43legacy_wireless_core_init(struct b43legacy_wldev *dev) } b43legacy_hf_write(dev, hf); - /* Short/Long Retry Limit. - * The retry-limit is a 4-bit counter. Enforce this to avoid overflowing - * the chip-internal counter. - */ - tmp = limit_value(modparam_short_retry, 0, 0xF); - b43legacy_shm_write16(dev, B43legacy_SHM_WIRELESS, - 0x0006, tmp); - tmp = limit_value(modparam_long_retry, 0, 0xF); - b43legacy_shm_write16(dev, B43legacy_SHM_WIRELESS, - 0x0007, tmp); + b43legacy_set_retry_limits(dev, + B43legacy_DEFAULT_SHORT_RETRY_LIMIT, + B43legacy_DEFAULT_LONG_RETRY_LIMIT); b43legacy_shm_write16(dev, B43legacy_SHM_SHARED, 0x0044, 3); @@ -3253,19 +3252,41 @@ static void b43legacy_stop(struct ieee80211_hw *hw) mutex_unlock(&wl->mutex); } +static int b43legacy_op_set_retry_limit(struct ieee80211_hw *hw, + u32 short_retry_limit, + u32 long_retry_limit) +{ + struct b43legacy_wl *wl = hw_to_b43legacy_wl(hw); + struct b43legacy_wldev *dev; + int err = 0; + + mutex_lock(&wl->mutex); + dev = wl->current_dev; + if (unlikely(!dev || + (b43legacy_status(dev) < B43legacy_STAT_INITIALIZED))) { + err = -ENODEV; + goto out_unlock; + } + b43legacy_set_retry_limits(dev, short_retry_limit, long_retry_limit); +out_unlock: + mutex_unlock(&wl->mutex); + + return err; +} static const struct ieee80211_ops b43legacy_hw_ops = { - .tx = b43legacy_tx, - .conf_tx = b43legacy_conf_tx, - .add_interface = b43legacy_add_interface, - .remove_interface = b43legacy_remove_interface, - .config = b43legacy_dev_config, - .config_interface = b43legacy_config_interface, - .configure_filter = b43legacy_configure_filter, - .get_stats = b43legacy_get_stats, - .get_tx_stats = b43legacy_get_tx_stats, - .start = b43legacy_start, - .stop = b43legacy_stop, + .tx = b43legacy_tx, + .conf_tx = b43legacy_conf_tx, + .add_interface = b43legacy_add_interface, + .remove_interface = b43legacy_remove_interface, + .config = b43legacy_dev_config, + .config_interface = b43legacy_config_interface, + .configure_filter = b43legacy_configure_filter, + .get_stats = b43legacy_get_stats, + .get_tx_stats = b43legacy_get_tx_stats, + .start = b43legacy_start, + .stop = b43legacy_stop, + .set_retry_limit = b43legacy_op_set_retry_limit, }; /* Hard-reset the chip. Do not call this directly. diff --git a/drivers/net/wireless/b43legacy/xmit.c b/drivers/net/wireless/b43legacy/xmit.c index b71cc949f7d..d558a3a7cbf 100644 --- a/drivers/net/wireless/b43legacy/xmit.c +++ b/drivers/net/wireless/b43legacy/xmit.c @@ -290,6 +290,8 @@ static void generate_txhdr_fw3(struct b43legacy_wldev *dev, mac_ctl |= B43legacy_TX4_MAC_STMSDU; if (rate_fb_ofdm) mac_ctl |= B43legacy_TX4_MAC_FALLBACKOFDM; + if (txctl->flags & IEEE80211_TXCTL_LONG_RETRY_LIMIT) + mac_ctl |= B43legacy_TX4_MAC_LONGFRAME; /* Generate the RTS or CTS-to-self frame */ if ((txctl->flags & IEEE80211_TXCTL_USE_RTS_CTS) || @@ -335,7 +337,6 @@ static void generate_txhdr_fw3(struct b43legacy_wldev *dev, len, rts_rate_fb); hdr = (struct ieee80211_hdr *)(&txhdr->rts_frame); txhdr->rts_dur_fb = hdr->duration_id; - mac_ctl |= B43legacy_TX4_MAC_LONGFRAME; } /* Magic cookie */ |