提交 1b696de2 编写于 作者: Z Zhu Yi 提交者: David S. Miller

[PATCH] iwlwifi: rs_rate_scale_perform clean up

This patch cleans up rs_rate_scale_perform function. It removes dead
code, shortens variable names and removes useless return i.e. function
now returns void.
Signed-off-by: NTomas Winkler <tomas.winkler@intel.com>
Signed-off-by: NZhu Yi <yi.zhu@intel.com>
Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>
上级 02dede04
......@@ -131,7 +131,7 @@ static void rs_rate_scale_perform(struct iwl_priv *priv,
struct net_device *dev,
struct ieee80211_hdr *hdr,
struct sta_info *sta);
static int rs_fill_link_cmd(struct iwl_rate_scale_priv *lq_data,
static void rs_fill_link_cmd(struct iwl_rate_scale_priv *lq_data,
struct iwl_rate *tx_mcs,
struct iwl_link_quality_cmd *tbl);
......@@ -1873,16 +1873,15 @@ static void rs_rate_init(void *priv_rate, void *priv_sta,
rs_initialize_lq(priv, sta);
}
static int rs_fill_link_cmd(struct iwl_rate_scale_priv *lq_data,
static void rs_fill_link_cmd(struct iwl_rate_scale_priv *lq_data,
struct iwl_rate *tx_mcs,
struct iwl_link_quality_cmd *lq_cmd)
{
int index = 0;
int rc = 0;
int rate_idx;
int repeat_rate = 0;
u8 ant_toggle_count = 0;
u8 use_ht_possible = 1;
u8 repeat_cur_rate = 0;
struct iwl_rate new_rate;
struct iwl_scale_tbl_info tbl_type = { 0 };
......@@ -1891,9 +1890,9 @@ static int rs_fill_link_cmd(struct iwl_rate_scale_priv *lq_data,
if (is_legacy(tbl_type.lq_type)) {
ant_toggle_count = 1;
repeat_cur_rate = IWL_NUMBER_TRY;
repeat_rate = IWL_NUMBER_TRY;
} else
repeat_cur_rate = IWL_HT_NUMBER_TRY;
repeat_rate = IWL_HT_NUMBER_TRY;
lq_cmd->general_params.mimo_delimiter =
is_mimo(tbl_type.lq_type) ? 1 : 0;
......@@ -1907,10 +1906,10 @@ static int rs_fill_link_cmd(struct iwl_rate_scale_priv *lq_data,
lq_cmd->general_params.single_stream_ant_msk = 2;
index++;
repeat_cur_rate--;
repeat_rate--;
while (index < LINK_QUAL_MAX_RETRY_NUM) {
while (repeat_cur_rate && (index < LINK_QUAL_MAX_RETRY_NUM)) {
while (repeat_rate > 0 && (index < LINK_QUAL_MAX_RETRY_NUM)) {
if (is_legacy(tbl_type.lq_type)) {
if (ant_toggle_count <
NUM_TRY_BEFORE_ANTENNA_TOGGLE)
......@@ -1922,7 +1921,7 @@ static int rs_fill_link_cmd(struct iwl_rate_scale_priv *lq_data,
}
lq_cmd->rs_table[index].rate_n_flags =
cpu_to_le32(new_rate.rate_n_flags);
repeat_cur_rate--;
repeat_rate--;
index++;
}
......@@ -1942,26 +1941,22 @@ static int rs_fill_link_cmd(struct iwl_rate_scale_priv *lq_data,
rs_toggle_antenna(&new_rate, &tbl_type);
ant_toggle_count = 1;
}
repeat_cur_rate = IWL_NUMBER_TRY;
repeat_rate = IWL_NUMBER_TRY;
} else
repeat_cur_rate = IWL_HT_NUMBER_TRY;
repeat_rate = IWL_HT_NUMBER_TRY;
use_ht_possible = 0;
lq_cmd->rs_table[index].rate_n_flags =
cpu_to_le32(new_rate.rate_n_flags);
/* lq_cmd->rs_table[index].rate_n_flags = 0x800d; */
index++;
repeat_cur_rate--;
repeat_rate--;
}
/* lq_cmd->rs_table[0].rate_n_flags = 0x800d; */
lq_cmd->general_params.dual_stream_ant_msk = 3;
lq_cmd->agg_params.agg_dis_start_th = 3;
lq_cmd->agg_params.agg_time_limit = cpu_to_le16(4000);
return rc;
}
static void *rs_alloc(struct ieee80211_local *local)
......
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