diff options
Diffstat (limited to 'drivers/net/wireless/iwlwifi/iwl-3945-rs.c')
-rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-3945-rs.c | 144 |
1 files changed, 72 insertions, 72 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-3945-rs.c b/drivers/net/wireless/iwlwifi/iwl-3945-rs.c index e3a507513e8..3e812743f6a 100644 --- a/drivers/net/wireless/iwlwifi/iwl-3945-rs.c +++ b/drivers/net/wireless/iwlwifi/iwl-3945-rs.c @@ -43,7 +43,7 @@ #define RS_NAME "iwl-3945-rs" -struct iwl_rate_scale_data { +struct iwl3945_rate_scale_data { u64 data; s32 success_counter; s32 success_ratio; @@ -52,7 +52,7 @@ struct iwl_rate_scale_data { unsigned long stamp; }; -struct iwl_rate_scale_priv { +struct iwl3945_rate_scale_priv { spinlock_t lock; s32 *expected_tpt; unsigned long last_partial_flush; @@ -65,31 +65,31 @@ struct iwl_rate_scale_priv { u8 start_rate; u8 ibss_sta_added; struct timer_list rate_scale_flush; - struct iwl_rate_scale_data win[IWL_RATE_COUNT]; + struct iwl3945_rate_scale_data win[IWL_RATE_COUNT]; }; -static s32 iwl_expected_tpt_g[IWL_RATE_COUNT] = { +static s32 iwl3945_expected_tpt_g[IWL_RATE_COUNT] = { 7, 13, 35, 58, 0, 0, 76, 104, 130, 168, 191, 202 }; -static s32 iwl_expected_tpt_g_prot[IWL_RATE_COUNT] = { +static s32 iwl3945_expected_tpt_g_prot[IWL_RATE_COUNT] = { 7, 13, 35, 58, 0, 0, 0, 80, 93, 113, 123, 125 }; -static s32 iwl_expected_tpt_a[IWL_RATE_COUNT] = { +static s32 iwl3945_expected_tpt_a[IWL_RATE_COUNT] = { 0, 0, 0, 0, 40, 57, 72, 98, 121, 154, 177, 186 }; -static s32 iwl_expected_tpt_b[IWL_RATE_COUNT] = { +static s32 iwl3945_expected_tpt_b[IWL_RATE_COUNT] = { 7, 13, 35, 58, 0, 0, 0, 0, 0, 0, 0, 0 }; -struct iwl_tpt_entry { +struct iwl3945_tpt_entry { s8 min_rssi; u8 index; }; -static struct iwl_tpt_entry iwl_tpt_table_a[] = { +static struct iwl3945_tpt_entry iwl3945_tpt_table_a[] = { {-60, IWL_RATE_54M_INDEX}, {-64, IWL_RATE_48M_INDEX}, {-72, IWL_RATE_36M_INDEX}, @@ -100,7 +100,7 @@ static struct iwl_tpt_entry iwl_tpt_table_a[] = { {-89, IWL_RATE_6M_INDEX} }; -static struct iwl_tpt_entry iwl_tpt_table_b[] = { +static struct iwl3945_tpt_entry iwl3945_tpt_table_b[] = { {-86, IWL_RATE_11M_INDEX}, {-88, IWL_RATE_5M_INDEX}, {-90, IWL_RATE_2M_INDEX}, @@ -108,7 +108,7 @@ static struct iwl_tpt_entry iwl_tpt_table_b[] = { }; -static struct iwl_tpt_entry iwl_tpt_table_g[] = { +static struct iwl3945_tpt_entry iwl3945_tpt_table_g[] = { {-60, IWL_RATE_54M_INDEX}, {-64, IWL_RATE_48M_INDEX}, {-68, IWL_RATE_36M_INDEX}, @@ -129,30 +129,30 @@ static struct iwl_tpt_entry iwl_tpt_table_g[] = { #define IWL_RATE_MIN_SUCCESS_TH 8 #define IWL_RATE_DECREASE_TH 1920 -static u8 iwl_get_rate_index_by_rssi(s32 rssi, u8 mode) +static u8 iwl3945_get_rate_index_by_rssi(s32 rssi, u8 mode) { u32 index = 0; u32 table_size = 0; - struct iwl_tpt_entry *tpt_table = NULL; + struct iwl3945_tpt_entry *tpt_table = NULL; if ((rssi < IWL_MIN_RSSI_VAL) || (rssi > IWL_MAX_RSSI_VAL)) rssi = IWL_MIN_RSSI_VAL; switch (mode) { case MODE_IEEE80211G: - tpt_table = iwl_tpt_table_g; - table_size = ARRAY_SIZE(iwl_tpt_table_g); + tpt_table = iwl3945_tpt_table_g; + table_size = ARRAY_SIZE(iwl3945_tpt_table_g); break; case MODE_IEEE80211A: - tpt_table = iwl_tpt_table_a; - table_size = ARRAY_SIZE(iwl_tpt_table_a); + tpt_table = iwl3945_tpt_table_a; + table_size = ARRAY_SIZE(iwl3945_tpt_table_a); break; default: case MODE_IEEE80211B: - tpt_table = iwl_tpt_table_b; - table_size = ARRAY_SIZE(iwl_tpt_table_b); + tpt_table = iwl3945_tpt_table_b; + table_size = ARRAY_SIZE(iwl3945_tpt_table_b); break; } @@ -164,7 +164,7 @@ static u8 iwl_get_rate_index_by_rssi(s32 rssi, u8 mode) return tpt_table[index].index; } -static void iwl_clear_window(struct iwl_rate_scale_data *window) +static void iwl3945_clear_window(struct iwl3945_rate_scale_data *window) { window->data = 0; window->success_counter = 0; @@ -175,13 +175,13 @@ static void iwl_clear_window(struct iwl_rate_scale_data *window) } /** - * iwl_rate_scale_flush_windows - flush out the rate scale windows + * iwl3945_rate_scale_flush_windows - flush out the rate scale windows * * Returns the number of windows that have gathered data but were * not flushed. If there were any that were not flushed, then * reschedule the rate flushing routine. */ -static int iwl_rate_scale_flush_windows(struct iwl_rate_scale_priv *rs_priv) +static int iwl3945_rate_scale_flush_windows(struct iwl3945_rate_scale_priv *rs_priv) { int unflushed = 0; int i; @@ -202,7 +202,7 @@ static int iwl_rate_scale_flush_windows(struct iwl_rate_scale_priv *rs_priv) IWL_DEBUG_RATE("flushing %d samples of rate " "index %d\n", rs_priv->win[i].counter, i); - iwl_clear_window(&rs_priv->win[i]); + iwl3945_clear_window(&rs_priv->win[i]); } else unflushed++; spin_unlock_irqrestore(&rs_priv->lock, flags); @@ -214,16 +214,16 @@ static int iwl_rate_scale_flush_windows(struct iwl_rate_scale_priv *rs_priv) #define IWL_RATE_FLUSH_MAX 5000 /* msec */ #define IWL_RATE_FLUSH_MIN 50 /* msec */ -static void iwl_bg_rate_scale_flush(unsigned long data) +static void iwl3945_bg_rate_scale_flush(unsigned long data) { - struct iwl_rate_scale_priv *rs_priv = (void *)data; + struct iwl3945_rate_scale_priv *rs_priv = (void *)data; int unflushed = 0; unsigned long flags; u32 packet_count, duration, pps; IWL_DEBUG_RATE("enter\n"); - unflushed = iwl_rate_scale_flush_windows(rs_priv); + unflushed = iwl3945_rate_scale_flush_windows(rs_priv); spin_lock_irqsave(&rs_priv->lock, flags); @@ -277,14 +277,14 @@ static void iwl_bg_rate_scale_flush(unsigned long data) } /** - * iwl_collect_tx_data - Update the success/failure sliding window + * iwl3945_collect_tx_data - Update the success/failure sliding window * * We keep a sliding window of the last 64 packets transmitted * at this rate. window->data contains the bitmask of successful * packets. */ -static void iwl_collect_tx_data(struct iwl_rate_scale_priv *rs_priv, - struct iwl_rate_scale_data *window, +static void iwl3945_collect_tx_data(struct iwl3945_rate_scale_priv *rs_priv, + struct iwl3945_rate_scale_data *window, int success, int retries) { unsigned long flags; @@ -373,12 +373,12 @@ static void rs_clear(void *priv) static void *rs_alloc_sta(void *priv, gfp_t gfp) { - struct iwl_rate_scale_priv *rs_priv; + struct iwl3945_rate_scale_priv *rs_priv; int i; IWL_DEBUG_RATE("enter\n"); - rs_priv = kzalloc(sizeof(struct iwl_rate_scale_priv), gfp); + rs_priv = kzalloc(sizeof(struct iwl3945_rate_scale_priv), gfp); if (!rs_priv) { IWL_DEBUG_RATE("leave: ENOMEM\n"); return NULL; @@ -389,7 +389,7 @@ static void *rs_alloc_sta(void *priv, gfp_t gfp) rs_priv->start_rate = IWL_RATE_INVALID; /* default to just 802.11b */ - rs_priv->expected_tpt = iwl_expected_tpt_b; + rs_priv->expected_tpt = iwl3945_expected_tpt_b; rs_priv->last_partial_flush = jiffies; rs_priv->last_flush = jiffies; @@ -399,10 +399,10 @@ static void *rs_alloc_sta(void *priv, gfp_t gfp) init_timer(&rs_priv->rate_scale_flush); rs_priv->rate_scale_flush.data = (unsigned long)rs_priv; - rs_priv->rate_scale_flush.function = &iwl_bg_rate_scale_flush; + rs_priv->rate_scale_flush.function = &iwl3945_bg_rate_scale_flush; for (i = 0; i < IWL_RATE_COUNT; i++) - iwl_clear_window(&rs_priv->win[i]); + iwl3945_clear_window(&rs_priv->win[i]); IWL_DEBUG_RATE("leave\n"); @@ -411,7 +411,7 @@ static void *rs_alloc_sta(void *priv, gfp_t gfp) static void rs_free_sta(void *priv, void *priv_sta) { - struct iwl_rate_scale_priv *rs_priv = priv_sta; + struct iwl3945_rate_scale_priv *rs_priv = priv_sta; IWL_DEBUG_RATE("enter\n"); del_timer_sync(&rs_priv->rate_scale_flush); @@ -425,9 +425,9 @@ static void rs_free_sta(void *priv, void *priv_sta) * for A and B mode we need to overright prev * value */ -static int rs_adjust_next_rate(struct iwl_priv *priv, int rate) +static int rs_adjust_next_rate(struct iwl3945_priv *priv, int rate) { - int next_rate = iwl_get_prev_ieee_rate(rate); + int next_rate = iwl3945_get_prev_ieee_rate(rate); switch (priv->phymode) { case MODE_IEEE80211A: @@ -449,7 +449,7 @@ static int rs_adjust_next_rate(struct iwl_priv *priv, int rate) /** * rs_tx_status - Update rate control values based on Tx results * - * NOTE: Uses iwl_priv->retry_rate for the # of retries attempted by + * NOTE: Uses iwl3945_priv->retry_rate for the # of retries attempted by * the hardware for each rate. */ static void rs_tx_status(void *priv_rate, @@ -462,9 +462,9 @@ static void rs_tx_status(void *priv_rate, unsigned long flags; struct sta_info *sta; struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data; - struct iwl_priv *priv = (struct iwl_priv *)priv_rate; + struct iwl3945_priv *priv = (struct iwl3945_priv *)priv_rate; struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); - struct iwl_rate_scale_priv *rs_priv; + struct iwl3945_rate_scale_priv *rs_priv; IWL_DEBUG_RATE("enter\n"); @@ -514,7 +514,7 @@ static void rs_tx_status(void *priv_rate, /* Update this rate accounting for as many retries * as was used for it (per current_count) */ - iwl_collect_tx_data(rs_priv, + iwl3945_collect_tx_data(rs_priv, &rs_priv->win[scale_rate_index], 0, current_count); IWL_DEBUG_RATE("Update rate %d for %d retries.\n", @@ -533,7 +533,7 @@ static void rs_tx_status(void *priv_rate, last_index, (tx_resp->flags & IEEE80211_TX_STATUS_ACK) ? "success" : "failure"); - iwl_collect_tx_data(rs_priv, + iwl3945_collect_tx_data(rs_priv, &rs_priv->win[last_index], tx_resp->flags & IEEE80211_TX_STATUS_ACK, 1); @@ -560,8 +560,8 @@ static void rs_tx_status(void *priv_rate, return; } -static u16 iwl_get_adjacent_rate(struct iwl_rate_scale_priv *rs_priv, - u8 index, u16 rate_mask, int phymode) +static u16 iwl3945_get_adjacent_rate(struct iwl3945_rate_scale_priv *rs_priv, + u8 index, u16 rate_mask, int phymode) { u8 high = IWL_RATE_INVALID; u8 low = IWL_RATE_INVALID; @@ -596,9 +596,9 @@ static u16 iwl_get_adjacent_rate(struct iwl_rate_scale_priv *rs_priv, low = index; while (low != IWL_RATE_INVALID) { if (rs_priv->tgg) - low = iwl_rates[low].prev_rs_tgg; + low = iwl3945_rates[low].prev_rs_tgg; else - low = iwl_rates[low].prev_rs; + low = iwl3945_rates[low].prev_rs; if (low == IWL_RATE_INVALID) break; if (rate_mask & (1 << low)) @@ -609,9 +609,9 @@ static u16 iwl_get_adjacent_rate(struct iwl_rate_scale_priv *rs_priv, high = index; while (high != IWL_RATE_INVALID) { if (rs_priv->tgg) - high = iwl_rates[high].next_rs_tgg; + high = iwl3945_rates[high].next_rs_tgg; else - high = iwl_rates[high].next_rs; + high = iwl3945_rates[high].next_rs; if (high == IWL_RATE_INVALID) break; if (rate_mask & (1 << high)) @@ -646,8 +646,8 @@ static void rs_get_rate(void *priv_rate, struct net_device *dev, u8 high = IWL_RATE_INVALID; u16 high_low; int index; - struct iwl_rate_scale_priv *rs_priv; - struct iwl_rate_scale_data *window = NULL; + struct iwl3945_rate_scale_priv *rs_priv; + struct iwl3945_rate_scale_data *window = NULL; int current_tpt = IWL_INVALID_VALUE; int low_tpt = IWL_INVALID_VALUE; int high_tpt = IWL_INVALID_VALUE; @@ -658,7 +658,7 @@ static void rs_get_rate(void *priv_rate, struct net_device *dev, struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data; struct sta_info *sta; u16 rate_mask; - struct iwl_priv *priv = (struct iwl_priv *)priv_rate; + struct iwl3945_priv *priv = (struct iwl3945_priv *)priv_rate; DECLARE_MAC_BUF(mac); IWL_DEBUG_RATE("enter\n"); @@ -682,12 +682,12 @@ static void rs_get_rate(void *priv_rate, struct net_device *dev, if ((priv->iw_mode == IEEE80211_IF_TYPE_IBSS) && !rs_priv->ibss_sta_added) { - u8 sta_id = iwl_hw_find_station(priv, hdr->addr1); + u8 sta_id = iwl3945_hw_find_station(priv, hdr->addr1); if (sta_id == IWL_INVALID_STATION) { IWL_DEBUG_RATE("LQ: ADD station %s\n", print_mac(mac, hdr->addr1)); - sta_id = iwl_add_station(priv, + sta_id = iwl3945_add_station(priv, hdr->addr1, 0, CMD_ASYNC); } if (sta_id != IWL_INVALID_STATION) @@ -725,7 +725,7 @@ static void rs_get_rate(void *priv_rate, struct net_device *dev, rs_priv->expected_tpt[index] + 64) / 128); current_tpt = window->average_tpt; - high_low = iwl_get_adjacent_rate(rs_priv, index, rate_mask, + high_low = iwl3945_get_adjacent_rate(rs_priv, index, rate_mask, local->hw.conf.phymode); low = high_low & 0xff; high = (high_low >> 8) & 0xff; @@ -830,11 +830,11 @@ static struct rate_control_ops rs_ops = { .free_sta = rs_free_sta, }; -int iwl_fill_rs_info(struct ieee80211_hw *hw, char *buf, u8 sta_id) +int iwl3945_fill_rs_info(struct ieee80211_hw *hw, char *buf, u8 sta_id) { struct ieee80211_local *local = hw_to_local(hw); - struct iwl_priv *priv = hw->priv; - struct iwl_rate_scale_priv *rs_priv; + struct iwl3945_priv *priv = hw->priv; + struct iwl3945_rate_scale_priv *rs_priv; struct sta_info *sta; unsigned long flags; int count = 0, i; @@ -860,7 +860,7 @@ int iwl_fill_rs_info(struct ieee80211_hw *hw, char *buf, u8 sta_id) int j; count += - sprintf(&buf[count], " %2dMbs: ", iwl_rates[i].ieee / 2); + sprintf(&buf[count], " %2dMbs: ", iwl3945_rates[i].ieee / 2); mask = (1ULL << (IWL_RATE_MAX_WINDOW - 1)); for (j = 0; j < IWL_RATE_MAX_WINDOW; j++, mask >>= 1) @@ -869,7 +869,7 @@ int iwl_fill_rs_info(struct ieee80211_hw *hw, char *buf, u8 sta_id) samples += rs_priv->win[i].counter; good += rs_priv->win[i].success_counter; - success += rs_priv->win[i].success_counter * iwl_rates[i].ieee; + success += rs_priv->win[i].success_counter * iwl3945_rates[i].ieee; if (rs_priv->win[i].stamp) { int delta = @@ -882,7 +882,7 @@ int iwl_fill_rs_info(struct ieee80211_hw *hw, char *buf, u8 sta_id) } else buf[count++] = '\n'; - j = iwl_get_prev_ieee_rate(i); + j = iwl3945_get_prev_ieee_rate(i); if (j == i) break; i = j; @@ -893,7 +893,7 @@ int iwl_fill_rs_info(struct ieee80211_hw *hw, char *buf, u8 sta_id) /* Display the average rate of all samples taken. * * NOTE: We multiple # of samples by 2 since the IEEE measurement - * added from iwl_rates is actually 2X the rate */ + * added from iwl3945_rates is actually 2X the rate */ if (samples) count += sprintf( &buf[count], @@ -907,13 +907,13 @@ int iwl_fill_rs_info(struct ieee80211_hw *hw, char *buf, u8 sta_id) return count; } -void iwl_rate_scale_init(struct ieee80211_hw *hw, s32 sta_id) +void iwl3945_rate_scale_init(struct ieee80211_hw *hw, s32 sta_id) { - struct iwl_priv *priv = hw->priv; + struct iwl3945_priv *priv = hw->priv; s32 rssi = 0; unsigned long flags; struct ieee80211_local *local = hw_to_local(hw); - struct iwl_rate_scale_priv *rs_priv; + struct iwl3945_rate_scale_priv *rs_priv; struct sta_info *sta; IWL_DEBUG_RATE("enter\n"); @@ -942,19 +942,19 @@ void iwl_rate_scale_init(struct ieee80211_hw *hw, s32 sta_id) case MODE_IEEE80211G: if (priv->active_rxon.flags & RXON_FLG_TGG_PROTECT_MSK) { rs_priv->tgg = 1; - rs_priv->expected_tpt = iwl_expected_tpt_g_prot; + rs_priv->expected_tpt = iwl3945_expected_tpt_g_prot; } else - rs_priv->expected_tpt = iwl_expected_tpt_g; + rs_priv->expected_tpt = iwl3945_expected_tpt_g; break; case MODE_IEEE80211A: - rs_priv->expected_tpt = iwl_expected_tpt_a; + rs_priv->expected_tpt = iwl3945_expected_tpt_a; break; default: IWL_WARNING("Invalid phymode. Defaulting to 802.11b\n"); case MODE_IEEE80211B: - rs_priv->expected_tpt = iwl_expected_tpt_b; + rs_priv->expected_tpt = iwl3945_expected_tpt_b; break; } @@ -967,19 +967,19 @@ void iwl_rate_scale_init(struct ieee80211_hw *hw, s32 sta_id) IWL_DEBUG(IWL_DL_INFO | IWL_DL_RATE, "Network RSSI: %d\n", rssi); - rs_priv->start_rate = iwl_get_rate_index_by_rssi(rssi, priv->phymode); + rs_priv->start_rate = iwl3945_get_rate_index_by_rssi(rssi, priv->phymode); IWL_DEBUG_RATE("leave: rssi %d assign rate index: " "%d (plcp 0x%x)\n", rssi, rs_priv->start_rate, - iwl_rates[rs_priv->start_rate].plcp); + iwl3945_rates[rs_priv->start_rate].plcp); } -void iwl_rate_control_register(struct ieee80211_hw *hw) +void iwl3945_rate_control_register(struct ieee80211_hw *hw) { ieee80211_rate_control_register(&rs_ops); } -void iwl_rate_control_unregister(struct ieee80211_hw *hw) +void iwl3945_rate_control_unregister(struct ieee80211_hw *hw) { ieee80211_rate_control_unregister(&rs_ops); } |