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ath6kl: separate ht cap for each band

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In virtual interface structure, for each band separate ht cap
is needed. so that one can disable or enable ht capability band
wise.
This will fix the following issue:

1) Disable 11n from supplicant and start a P2P GO.
2) In beacon frames no HT-CAP IE is seen which is expected.
3) Now remove the P2P GO and kill the supplicant.
4) Beacon stops
5) Now using iw  associate to an external AP in 5 GHZ
6) In 5 GHZ no HT IE going in assoc request but
when  associated in 2.4 GHZ can see HT IES over the air
in assoc request.

In the code for del_beacon in cfg80211.c,set_ht_cap is being
called first for 2.4 GHZ and then for 5 GHZ. When  called
for the first time for 2.4 GHZ the enable flag will be set to true
and so when called for the second time for 5 GHZ it just returns
after checking the flag.

Also using this one can have different HT capabilities
per band (for example one may decide not to use 20/40 in 2.4 GHZ
but use it in 5 GHZ). So maintaining a single context is not ok.
it is true for even the enable/disable flag and other HT
capabilities as well

Signed-off-by: Kiran Reddy <c_lreddy@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
This commit is contained in:
Kiran Reddy 2012-05-29 11:12:50 -07:00 committed by Kalle Valo
parent df6a7072ac
commit 67b3f1299a
2 changed files with 4 additions and 3 deletions
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5
drivers/net/wireless/ath/ath6kl/cfg80211.c
View File

@ -2540,7 +2540,7 @@ void ath6kl_check_wow_status(struct ath6kl *ar)
static int ath6kl_set_htcap(struct ath6kl_vif *vif, enum ieee80211_band band,
bool ht_enable)
{
struct ath6kl_htcap *htcap = &vif->htcap;
struct ath6kl_htcap *htcap = &vif->htcap[band];
if (htcap->ht_enable == ht_enable)
return 0;
@ -3526,7 +3526,8 @@ struct net_device *ath6kl_interface_add(struct ath6kl *ar, char *name,
vif->listen_intvl_t = ATH6KL_DEFAULT_LISTEN_INTVAL;
vif->bmiss_time_t = ATH6KL_DEFAULT_BMISS_TIME;
vif->bg_scan_period = 0;
vif->htcap.ht_enable = true;
vif->htcap[IEEE80211_BAND_2GHZ].ht_enable = true;
vif->htcap[IEEE80211_BAND_5GHZ].ht_enable = true;
memcpy(ndev->dev_addr, ar->mac_addr, ETH_ALEN);
if (fw_vif_idx != 0)

2
drivers/net/wireless/ath/ath6kl/core.h
View File

@ -560,7 +560,7 @@ struct ath6kl_vif {
struct ath6kl_wep_key wep_key_list[WMI_MAX_KEY_INDEX + 1];
struct ath6kl_key keys[WMI_MAX_KEY_INDEX + 1];
struct aggr_info *aggr_cntxt;
struct ath6kl_htcap htcap;
struct ath6kl_htcap htcap[IEEE80211_NUM_BANDS];
struct timer_list disconnect_timer;
struct timer_list sched_scan_timer;