#include "../net/mac80211/rate.h"
#include "iwl-dev.h"
+#include "iwl-sta.h"
#include "iwl-core.h"
#include "iwl-helpers.h"
struct iwl4965_rate_scale_data win[IWL_RATE_COUNT]; /* rate histories */
};
-#ifdef CONFIG_IWL4965_HT
-
struct iwl4965_traffic_load {
unsigned long time_stamp; /* age of the oldest statistics */
u32 packet_count[TID_QUEUE_MAX_SIZE]; /* packet count in this time
u8 head; /* start of the circular buffer */
};
-#endif /* CONFIG_IWL4965_HT */
-
/**
* struct iwl4965_lq_sta -- driver's rate scaling private structure
*
struct iwl_link_quality_cmd lq;
struct iwl4965_scale_tbl_info lq_info[LQ_SIZE]; /* "active", "search" */
-#ifdef CONFIG_IWL4965_HT
struct iwl4965_traffic_load load[TID_MAX_LOAD_COUNT];
u8 tx_agg_tid_en;
-#endif
#ifdef CONFIG_MAC80211_DEBUGFS
struct dentry *rs_sta_dbgfs_scale_table_file;
struct dentry *rs_sta_dbgfs_stats_table_file;
-#ifdef CONFIG_IWL4965_HT
struct dentry *rs_sta_dbgfs_tx_agg_tid_en_file;
-#endif
u32 dbg_fixed_rate;
#endif
struct iwl_priv *drv;
return ((ant_type & valid_antenna) == ant_type);
}
-#ifdef CONFIG_IWL4965_HT
/*
* removes the old data from the statistics. All data that is older than
* TID_MAX_TIME_DIFF, will be deleted.
* increment traffic load value for tid and also remove
* any old values if passed the certain time period
*/
-static void rs_tl_add_packet(struct iwl4965_lq_sta *lq_data,
- struct ieee80211_hdr *hdr)
+static u8 rs_tl_add_packet(struct iwl4965_lq_sta *lq_data,
+ struct ieee80211_hdr *hdr)
{
u32 curr_time = jiffies_to_msecs(jiffies);
u32 time_diff;
s32 index;
struct iwl4965_traffic_load *tl = NULL;
- u16 fc = le16_to_cpu(hdr->frame_control);
+ __le16 fc = hdr->frame_control;
u8 tid;
- if (ieee80211_is_qos_data(fc)) {
- u8 *qc = ieee80211_get_qos_ctrl(hdr, ieee80211_get_hdrlen(fc));
+ if (ieee80211_is_data_qos(fc)) {
+ u8 *qc = ieee80211_get_qos_ctl(hdr);
tid = qc[0] & 0xf;
} else
- return;
+ return MAX_TID_COUNT;
tl = &lq_data->load[tid];
tl->queue_count = 1;
tl->head = 0;
tl->packet_count[0] = 1;
- return;
+ return MAX_TID_COUNT;
}
time_diff = TIME_WRAP_AROUND(tl->time_stamp, curr_time);
if ((index + 1) > tl->queue_count)
tl->queue_count = index + 1;
+
+ return tid;
}
/*
rs_tl_turn_on_agg_for_tid(priv, lq_data, tid, sta);
}
-#endif /* CONFIG_IWLWIFI_HT */
-
static inline int get_num_of_ant_from_rate(u32 rate_n_flags)
{
return (!!(rate_n_flags & RATE_MCS_ANT_A_MSK) +
u8 num_of_ant = get_num_of_ant_from_rate(rate_n_flags);
u8 mcs;
- *rate_idx = iwl4965_hwrate_to_plcp_idx(rate_n_flags);
+ *rate_idx = iwl_hwrate_to_plcp_idx(rate_n_flags);
if (*rate_idx == IWL_RATE_INVALID) {
*rate_idx = -1;
/* FIXME:RS: in 4965 we don't use greenfield at all */
/* FIXME:RS: don't use greenfield for now in TX */
-/* #ifdef CONFIG_IWL4965_HT */
#if 0
static inline u8 rs_use_green(struct iwl_priv *priv, struct ieee80211_conf *conf)
{
priv->current_ht_config.is_green_field &&
!priv->current_ht_config.non_GF_STA_present);
}
-#else
+#endif
static inline u8 rs_use_green(struct iwl_priv *priv, struct ieee80211_conf *conf)
{
return 0;
}
-#endif /* CONFIG_IWL4965_HT */
/**
* rs_get_supported_rates - get the available rates
struct iwl4965_scale_tbl_info tbl_type;
struct iwl4965_scale_tbl_info *curr_tbl, *search_tbl;
u8 active_index = 0;
- u16 fc = le16_to_cpu(hdr->frame_control);
+ __le16 fc = hdr->frame_control;
s32 tpt = 0;
IWL_DEBUG_RATE_LIMIT("get frame ack response, update rate scale window\n");
lq_sta = (struct iwl4965_lq_sta *)sta->rate_ctrl_priv;
- if (!priv->lq_mngr.lq_ready)
- goto out;
-
if ((priv->iw_mode == IEEE80211_IF_TYPE_IBSS) &&
!lq_sta->ibss_sta_added)
goto out;
tbl->expected_tpt = expected_tpt_G;
}
-#ifdef CONFIG_IWL4965_HT
/*
* Find starting rate for new "search" high-throughput mode of modulation.
* Goal is to find lowest expected rate (under perfect conditions) that is
/* Higher rate not available, use the original */
} else {
- new_rate = rate;
break;
}
}
return new_rate;
}
-#endif /* CONFIG_IWL4965_HT */
/*
* Set up search table for MIMO
*/
-#ifdef CONFIG_IWL4965_HT
static int rs_switch_to_mimo2(struct iwl_priv *priv,
struct iwl4965_lq_sta *lq_sta,
struct ieee80211_conf *conf,
tbl->current_rate, is_green);
return 0;
}
-#else
-static int rs_switch_to_mimo2(struct iwl_priv *priv,
- struct iwl4965_lq_sta *lq_sta,
- struct ieee80211_conf *conf,
- struct sta_info *sta,
- struct iwl4965_scale_tbl_info *tbl, int index)
-{
- return -1;
-}
-#endif /*CONFIG_IWL4965_HT */
/*
* Set up search table for SISO
struct sta_info *sta,
struct iwl4965_scale_tbl_info *tbl, int index)
{
-#ifdef CONFIG_IWL4965_HT
u16 rate_mask;
u8 is_green = lq_sta->is_green;
s32 rate;
IWL_DEBUG_RATE("LQ: Switch to new mcs %X index is green %X\n",
tbl->current_rate, is_green);
return 0;
-#else
- return -1;
-#endif /*CONFIG_IWL4965_HT */
}
/*
int high_tpt = IWL_INVALID_VALUE;
u32 fail_count;
s8 scale_action = 0;
- u16 fc, rate_mask;
+ __le16 fc;
+ u16 rate_mask;
u8 update_lq = 0;
struct iwl4965_lq_sta *lq_sta;
struct iwl4965_scale_tbl_info *tbl, *tbl1;
u8 done_search = 0;
u16 high_low;
s32 sr;
-#ifdef CONFIG_IWL4965_HT
u8 tid = MAX_TID_COUNT;
-#endif
IWL_DEBUG_RATE("rate scale calculate new rate for skb\n");
- fc = le16_to_cpu(hdr->frame_control);
+ fc = hdr->frame_control;
if (!ieee80211_is_data(fc) || is_multicast_ether_addr(hdr->addr1)) {
/* Send management frames and broadcast/multicast data using
* lowest rate. */
if (!sta || !sta->rate_ctrl_priv)
return;
- if (!priv->lq_mngr.lq_ready) {
- IWL_DEBUG_RATE("still rate scaling not ready\n");
- return;
- }
lq_sta = (struct iwl4965_lq_sta *)sta->rate_ctrl_priv;
-#ifdef CONFIG_IWL4965_HT
- rs_tl_add_packet(lq_sta, hdr);
-#endif
+ tid = rs_tl_add_packet(lq_sta, hdr);
+
/*
* Select rate-scale / modulation-mode table to work with in
* the rest of this function: "search" if searching for better
tbl = &(lq_sta->lq_info[active_tbl]);
/* Revert to "active" rate and throughput info */
- index = iwl4965_hwrate_to_plcp_idx(
- tbl->current_rate);
+ index = iwl_hwrate_to_plcp_idx(tbl->current_rate);
current_tpt = lq_sta->last_tpt;
/* Need to set up a new rate table in uCode */
* 2) Not just finishing up a search
* 3) Allowing a new search
*/
- if (!update_lq && !done_search && !lq_sta->stay_in_tbl) {
+ if (!update_lq && !done_search && !lq_sta->stay_in_tbl && window->counter) {
/* Save current throughput to compare with "search" throughput*/
lq_sta->last_tpt = current_tpt;
rs_rate_scale_clear_window(&(tbl->win[i]));
/* Use new "search" start rate */
- index = iwl4965_hwrate_to_plcp_idx(
- tbl->current_rate);
+ index = iwl_hwrate_to_plcp_idx(tbl->current_rate);
IWL_DEBUG_RATE("Switch current mcs: %X index: %d\n",
tbl->current_rate, index);
* before next round of mode comparisons. */
tbl1 = &(lq_sta->lq_info[lq_sta->active_tbl]);
if (is_legacy(tbl1->lq_type) &&
-#ifdef CONFIG_IWL4965_HT
(!(conf->flags & IEEE80211_CONF_SUPPORT_HT_MODE)) &&
-#endif
(lq_sta->action_counter >= 1)) {
lq_sta->action_counter = 0;
IWL_DEBUG_RATE("LQ: STAY in legacy table\n");
* mode for a while before next round of mode comparisons. */
if (lq_sta->enable_counter &&
(lq_sta->action_counter >= IWL_ACTION_LIMIT)) {
-#ifdef CONFIG_IWL4965_HT
if ((lq_sta->last_tpt > IWL_AGG_TPT_THREHOLD) &&
(lq_sta->tx_agg_tid_en & (1 << tid)) &&
(tid != MAX_TID_COUNT)) {
IWL_DEBUG_RATE("try to aggregate tid %d\n", tid);
rs_tl_turn_on_agg(priv, tid, lq_sta, sta);
}
-#endif /*CONFIG_IWL4965_HT */
lq_sta->action_counter = 0;
rs_set_stay_in_table(priv, 0, lq_sta);
}
struct ieee80211_conf *conf = &local->hw.conf;
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
struct sta_info *sta;
- u16 fc;
+ __le16 fc;
struct iwl_priv *priv = (struct iwl_priv *)priv_rate;
struct iwl4965_lq_sta *lq_sta;
/* Send management frames and broadcast/multicast data using lowest
* rate. */
- fc = le16_to_cpu(hdr->frame_control);
+ fc = hdr->frame_control;
if (!ieee80211_is_data(fc) || is_multicast_ether_addr(hdr->addr1) ||
!sta || !sta->rate_ctrl_priv) {
sel->rate_idx = rate_lowest_index(local, sband, sta);
lq_sta->active_legacy_rate = priv->active_rate & ~(0x1000);
lq_sta->active_rate_basic = priv->active_rate_basic;
lq_sta->band = priv->band;
-#ifdef CONFIG_IWL4965_HT
/*
* active_siso_rate mask includes 9 MBits (bit 5), and CCK (bits 0-3),
* supp_rates[] does not; shift to convert format, force 9 MBits off.
*/
- lq_sta->active_siso_rate =
- priv->current_ht_config.supp_mcs_set[0] << 1;
- lq_sta->active_siso_rate |=
- priv->current_ht_config.supp_mcs_set[0] & 0x1;
+ lq_sta->active_siso_rate = conf->ht_conf.supp_mcs_set[0] << 1;
+ lq_sta->active_siso_rate |= conf->ht_conf.supp_mcs_set[0] & 0x1;
lq_sta->active_siso_rate &= ~((u16)0x2);
lq_sta->active_siso_rate <<= IWL_FIRST_OFDM_RATE;
/* Same here */
- lq_sta->active_mimo2_rate =
- priv->current_ht_config.supp_mcs_set[1] << 1;
- lq_sta->active_mimo2_rate |=
- priv->current_ht_config.supp_mcs_set[1] & 0x1;
+ lq_sta->active_mimo2_rate = conf->ht_conf.supp_mcs_set[1] << 1;
+ lq_sta->active_mimo2_rate |= conf->ht_conf.supp_mcs_set[1] & 0x1;
lq_sta->active_mimo2_rate &= ~((u16)0x2);
lq_sta->active_mimo2_rate <<= IWL_FIRST_OFDM_RATE;
- lq_sta->active_mimo3_rate =
- priv->current_ht_config.supp_mcs_set[2] << 1;
- lq_sta->active_mimo3_rate |=
- priv->current_ht_config.supp_mcs_set[2] & 0x1;
+ lq_sta->active_mimo3_rate = conf->ht_conf.supp_mcs_set[2] << 1;
+ lq_sta->active_mimo3_rate |= conf->ht_conf.supp_mcs_set[2] & 0x1;
lq_sta->active_mimo3_rate &= ~((u16)0x2);
lq_sta->active_mimo3_rate <<= IWL_FIRST_OFDM_RATE;
/* as default allow aggregation for all tids */
lq_sta->tx_agg_tid_en = IWL_AGG_ALL_TID;
-#endif /*CONFIG_IWL4965_HT*/
#ifdef CONFIG_MAC80211_DEBUGFS
lq_sta->drv = priv;
#endif
- if (priv->assoc_station_added)
- priv->lq_mngr.lq_ready = 1;
-
rs_initialize_lq(priv, conf, sta);
}
repeat_rate--;
}
+ lq_cmd->agg_params.agg_frame_cnt_limit = 64;
lq_cmd->agg_params.agg_dis_start_th = 3;
lq_cmd->agg_params.agg_time_limit = cpu_to_le16(4000);
}
IWL_DEBUG_RATE("enter\n");
- priv->lq_mngr.lq_ready = 0;
+ /* TODO - add rate scale state reset */
IWL_DEBUG_RATE("leave\n");
}
lq_sta->rs_sta_dbgfs_stats_table_file =
debugfs_create_file("rate_stats_table", 0600, dir,
lq_sta, &rs_sta_dbgfs_stats_table_ops);
-#ifdef CONFIG_IWL4965_HT
lq_sta->rs_sta_dbgfs_tx_agg_tid_en_file =
debugfs_create_u8("tx_agg_tid_enable", 0600, dir,
&lq_sta->tx_agg_tid_en);
-#endif
}
struct iwl4965_lq_sta *lq_sta = priv_sta;
debugfs_remove(lq_sta->rs_sta_dbgfs_scale_table_file);
debugfs_remove(lq_sta->rs_sta_dbgfs_stats_table_file);
-#ifdef CONFIG_IWL4965_HT
debugfs_remove(lq_sta->rs_sta_dbgfs_tx_agg_tid_en_file);
-#endif
}
#endif
return cnt;
}
-void iwl4965_rate_scale_init(struct ieee80211_hw *hw, s32 sta_id)
-{
- struct iwl_priv *priv = hw->priv;
-
- priv->lq_mngr.lq_ready = 1;
-}
-
int iwl4965_rate_control_register(void)
{
return ieee80211_rate_control_register(&rs_ops);
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