Gitweb:     
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=02dede04f280a2ea249025414ddb4b1da1fca770
Commit:     02dede04f280a2ea249025414ddb4b1da1fca770
Parent:     588263515fecd926ea82950e5b7752b8696b595c
Author:     Zhu Yi <[EMAIL PROTECTED]>
AuthorDate: Thu Sep 27 11:27:40 2007 +0800
Committer:  David S. Miller <[EMAIL PROTECTED]>
CommitDate: Wed Oct 10 16:53:25 2007 -0700

    [PATCH] iwlwifi: add supp_rates to rate scale sta private data
    
    This patch adds supp_rate bit mask to rate scale sta private data structre
    and thus removes sta from the argument list in helper functions.
    
    Signed-off-by: Tomas Winkler <[EMAIL PROTECTED]>
    Signed-off-by: Zhu Yi <[EMAIL PROTECTED]>
    Signed-off-by: John W. Linville <[EMAIL PROTECTED]>
---
 drivers/net/wireless/iwlwifi/iwl-4965-rs.c |   31 +++++++++++++--------------
 1 files changed, 15 insertions(+), 16 deletions(-)

diff --git a/drivers/net/wireless/iwlwifi/iwl-4965-rs.c 
b/drivers/net/wireless/iwlwifi/iwl-4965-rs.c
index b9d7ad8..bad7466 100644
--- a/drivers/net/wireless/iwlwifi/iwl-4965-rs.c
+++ b/drivers/net/wireless/iwlwifi/iwl-4965-rs.c
@@ -115,6 +115,7 @@ struct iwl_rate_scale_priv {
        u8 is_dup;
        u8 phymode;
        u8 ibss_sta_added;
+       u32 supp_rates;
        u16 active_rate;
        u16 active_siso_rate;
        u16 active_mimo_rate;
@@ -132,8 +133,7 @@ static void rs_rate_scale_perform(struct iwl_priv *priv,
                                   struct sta_info *sta);
 static int rs_fill_link_cmd(struct iwl_rate_scale_priv *lq_data,
                             struct iwl_rate *tx_mcs,
-                            struct iwl_link_quality_cmd *tbl,
-                            struct sta_info *sta);
+                            struct iwl_link_quality_cmd *tbl);
 
 
 static s32 expected_tpt_A[IWL_RATE_COUNT] = {
@@ -542,14 +542,13 @@ static u16 rs_get_adjacent_rate(u8 index, u16 rate_mask, 
int rate_type)
 
 static int rs_get_lower_rate(struct iwl_rate_scale_priv *lq_data,
                             struct iwl_scale_tbl_info *tbl, u8 scale_index,
-                            u8 ht_possible, struct iwl_rate *mcs_rate,
-                            struct sta_info *sta)
+                            u8 ht_possible, struct iwl_rate *mcs_rate)
 {
-       u8 is_green = lq_data->is_green;
        s32 low;
        u16 rate_mask;
        u16 high_low;
        u8 switch_to_legacy = 0;
+       u8 is_green = lq_data->is_green;
 
        /* check if we need to switch from HT to legacy rates.
         * assumption is that mandatory rates (1Mbps or 6Mbps)
@@ -576,9 +575,9 @@ static int rs_get_lower_rate(struct iwl_rate_scale_priv 
*lq_data,
        if (is_legacy(tbl->lq_type)) {
                if (lq_data->phymode == (u8) MODE_IEEE80211A)
                        rate_mask  = (u16)(rate_mask &
-                          (sta->supp_rates << IWL_FIRST_OFDM_RATE));
+                          (lq_data->supp_rates << IWL_FIRST_OFDM_RATE));
                else
-                       rate_mask = (u16)(rate_mask & sta->supp_rates);
+                       rate_mask = (u16)(rate_mask & lq_data->supp_rates);
        }
 
        /* if we did switched from HT to legacy check current rate */
@@ -1391,10 +1390,10 @@ static void rs_rate_scale_perform(struct iwl_priv *priv,
        if (is_legacy(tbl->lq_type)) {
                if (lq_data->phymode == (u8) MODE_IEEE80211A)
                        rate_scale_index_msk = (u16) (rate_mask &
-                               (sta->supp_rates << IWL_FIRST_OFDM_RATE));
+                               (lq_data->supp_rates << IWL_FIRST_OFDM_RATE));
                else
                        rate_scale_index_msk = (u16) (rate_mask &
-                                                     sta->supp_rates);
+                                                     lq_data->supp_rates);
 
        } else
                rate_scale_index_msk = rate_mask;
@@ -1434,7 +1433,7 @@ static void rs_rate_scale_perform(struct iwl_priv *priv,
                rs_stay_in_table(lq_data);
                if (update_lq) {
                        rs_mcs_from_tbl(&mcs_rate, tbl, index, is_green);
-                       rs_fill_link_cmd(lq_data, &mcs_rate, &lq_data->lq, sta);
+                       rs_fill_link_cmd(lq_data, &mcs_rate, &lq_data->lq);
                        rs_send_lq_cmd(priv, &lq_data->lq, CMD_ASYNC);
                }
                goto out;
@@ -1558,7 +1557,7 @@ static void rs_rate_scale_perform(struct iwl_priv *priv,
  lq_update:
        if (update_lq) {
                rs_mcs_from_tbl(&mcs_rate, tbl, index, is_green);
-               rs_fill_link_cmd(lq_data, &mcs_rate, &lq_data->lq, sta);
+               rs_fill_link_cmd(lq_data, &mcs_rate, &lq_data->lq);
                rs_send_lq_cmd(priv, &lq_data->lq, CMD_ASYNC);
        }
        rs_stay_in_table(lq_data);
@@ -1584,7 +1583,7 @@ static void rs_rate_scale_perform(struct iwl_priv *priv,
                        IWL_DEBUG_HT("Switch current  mcs: %X index: %d\n",
                                     tbl->current_rate.rate_n_flags, index);
                        rs_fill_link_cmd(lq_data, &tbl->current_rate,
-                                        &(lq_data->lq), sta);
+                                        &lq_data->lq);
                        rs_send_lq_cmd(priv, &lq_data->lq, CMD_ASYNC);
                }
                tbl1 = &(lq_data->lq_info[lq_data->active_tbl]);
@@ -1680,7 +1679,7 @@ static void rs_initialize_lq(struct iwl_priv *priv,
        rs_mcs_from_tbl(&mcs_rate, tbl, rate_idx, use_green);
        tbl->current_rate.rate_n_flags = mcs_rate.rate_n_flags;
        rs_get_expected_tpt_table(lq, tbl);
-       rs_fill_link_cmd(lq, &mcs_rate, &(lq->lq), sta);
+       rs_fill_link_cmd(lq, &mcs_rate, &lq->lq);
        rs_send_lq_cmd(priv, &lq->lq, CMD_ASYNC);
  out:
        return;
@@ -1799,6 +1798,7 @@ static void rs_rate_init(void *priv_rate, void *priv_sta,
        struct iwl_rate_scale_priv *crl = priv_sta;
 
        crl->flush_timer = 0;
+       crl->supp_rates = sta->supp_rates;
        sta->txrate = 3;
        for (j = 0; j < LQ_SIZE; j++)
                for (i = 0; i < IWL_RATE_COUNT; i++)
@@ -1875,8 +1875,7 @@ static void rs_rate_init(void *priv_rate, void *priv_sta,
 
 static int rs_fill_link_cmd(struct iwl_rate_scale_priv *lq_data,
                            struct iwl_rate *tx_mcs,
-                           struct iwl_link_quality_cmd *lq_cmd,
-                           struct sta_info *sta)
+                           struct iwl_link_quality_cmd *lq_cmd)
 {
        int index = 0;
        int rc = 0;
@@ -1934,7 +1933,7 @@ static int rs_fill_link_cmd(struct iwl_rate_scale_priv 
*lq_data,
                        lq_cmd->general_params.mimo_delimiter = index;
 
                rs_get_lower_rate(lq_data, &tbl_type, rate_idx,
-                                 use_ht_possible, &new_rate, sta);
+                                 use_ht_possible, &new_rate);
 
                if (is_legacy(tbl_type.lq_type)) {
                        if (ant_toggle_count < NUM_TRY_BEFORE_ANTENNA_TOGGLE)
-
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