diff options
| author | Michal Kazior <michal.kazior@tieto.com> | 2014-12-12 12:41:35 +0100 |
|---|---|---|
| committer | Kalle Valo <kvalo@qca.qualcomm.com> | 2014-12-16 08:25:30 +0100 |
| commit | 91b12089b18a17cf510f636e29c2cb3a901fe7a5 (patch) | |
| tree | c6068e86cd445b5a00af875ede16fb5415858e65 /drivers/net | |
| parent | ath10k: unregister and remove frag_threshold callback (diff) | |
| download | linux-91b12089b18a17cf510f636e29c2cb3a901fe7a5.tar.xz linux-91b12089b18a17cf510f636e29c2cb3a901fe7a5.zip | |
ath10k: improve 11b coex
Some firmware revisions need peer phymode to be
specified as MODE_11B when associating as station
to a 11b AP. Otherwise they can starve other
stations.
Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Diffstat (limited to 'drivers/net')
| -rw-r--r-- | drivers/net/wireless/ath/ath10k/mac.c | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/drivers/net/wireless/ath/ath10k/mac.c b/drivers/net/wireless/ath/ath10k/mac.c index fe61201d2e72..950322d646a5 100644 --- a/drivers/net/wireless/ath/ath10k/mac.c +++ b/drivers/net/wireless/ath/ath10k/mac.c @@ -1416,6 +1416,12 @@ static void ath10k_peer_assoc_h_qos(struct ath10k *ar, } } +static bool ath10k_mac_sta_has_11g_rates(struct ieee80211_sta *sta) +{ + /* First 4 rates in ath10k_rates are CCK (11b) rates. */ + return sta->supp_rates[IEEE80211_BAND_2GHZ] >> 4; +} + static void ath10k_peer_assoc_h_phymode(struct ath10k *ar, struct ieee80211_vif *vif, struct ieee80211_sta *sta, @@ -1430,8 +1436,10 @@ static void ath10k_peer_assoc_h_phymode(struct ath10k *ar, phymode = MODE_11NG_HT40; else phymode = MODE_11NG_HT20; - } else { + } else if (ath10k_mac_sta_has_11g_rates(sta)) { phymode = MODE_11G; + } else { + phymode = MODE_11B; } break; @@ -4724,6 +4732,9 @@ static const struct ieee80211_channel ath10k_5ghz_channels[] = { CHAN5G(165, 5825, 0), }; +/* Note: Be careful if you re-order these. There is code which depends on this + * ordering. + */ static struct ieee80211_rate ath10k_rates[] = { /* CCK */ RATETAB_ENT(10, 0x82, 0), |