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mwifiex: handle extended supported rates IE for AP 

During start_ap handler, some rates come as extended supported
rates IE - part of beacon tail IE. This patch adds support for
parsing them and adding to bss_rates TLV for bss_start command
to firmware.

Signed-off-by: Avinash Patil <patila@marvell.com>
Signed-off-by: Bing Zhao <bzhao@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Avinash Patil 2012-10-19 19:19:20 -07:00 committed by John W. Linville
parent 22db24976f
commit 3a5b8a1685
1 changed files with 10 additions and 1 deletions
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11
drivers/net/wireless/mwifiex/uap_cmd.c
View File

@ -188,10 +188,19 @@ mwifiex_set_uap_rates(struct mwifiex_uap_bss_param *bss_cfg,
int var_offset = offsetof(struct ieee80211_mgmt, u.beacon.variable); int var_offset = offsetof(struct ieee80211_mgmt, u.beacon.variable);
const u8 *var_pos = params->beacon.head + var_offset; const u8 *var_pos = params->beacon.head + var_offset;
int len = params->beacon.head_len - var_offset; int len = params->beacon.head_len - var_offset;
u8 rate_len = 0;
rate_ie = (void *)cfg80211_find_ie(WLAN_EID_SUPP_RATES, var_pos, len); rate_ie = (void *)cfg80211_find_ie(WLAN_EID_SUPP_RATES, var_pos, len);
if (rate_ie) if (rate_ie) {
memcpy(bss_cfg->rates, rate_ie + 1, rate_ie->len); memcpy(bss_cfg->rates, rate_ie + 1, rate_ie->len);
rate_len = rate_ie->len;
}
rate_ie = (void *)cfg80211_find_ie(WLAN_EID_EXT_SUPP_RATES,
params->beacon.tail,
params->beacon.tail_len);
if (rate_ie)
memcpy(bss_cfg->rates + rate_len, rate_ie + 1, rate_ie->len);
return; return;
} }