2013-01-25 10:59:21

by Yogesh Ashok Powar

[permalink] [raw]
Subject: [PATCH 7/7] mwl8k: Do not call STA specific cmds not supported by the AP fw

While using STA mode in the AP firmware, avoid
calling some firmware commands which are not
supported by the AP firmware.

Signed-off-by: Yogesh Ashok Powar <[email protected]>
Signed-off-by: Nishant Sarmukadam <[email protected]>
---
drivers/net/wireless/mwl8k.c | 26 +++++++++++++++++++++++---
1 file changed, 23 insertions(+), 3 deletions(-)

diff --git a/drivers/net/wireless/mwl8k.c b/drivers/net/wireless/mwl8k.c
index 5ca76c8..ee5c7ea 100644
--- a/drivers/net/wireless/mwl8k.c
+++ b/drivers/net/wireless/mwl8k.c
@@ -4881,7 +4881,8 @@ mwl8k_bss_info_changed_sta(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
rcu_read_unlock();
}

- if ((changed & BSS_CHANGED_ASSOC) && vif->bss_conf.assoc) {
+ if ((changed & BSS_CHANGED_ASSOC) && vif->bss_conf.assoc &&
+ !priv->ap_fw) {
rc = mwl8k_cmd_set_rate(hw, vif, ap_legacy_rates, ap_mcs_rates);
if (rc)
goto out;
@@ -4889,6 +4890,25 @@ mwl8k_bss_info_changed_sta(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
rc = mwl8k_cmd_use_fixed_rate_sta(hw);
if (rc)
goto out;
+ } else {
+ if ((changed & BSS_CHANGED_ASSOC) && vif->bss_conf.assoc &&
+ priv->ap_fw) {
+ int idx;
+ int rate;
+
+ /* Use AP firmware specific rate command.
+ */
+ idx = ffs(vif->bss_conf.basic_rates);
+ if (idx)
+ idx--;
+
+ if (hw->conf.channel->band == IEEE80211_BAND_2GHZ)
+ rate = mwl8k_rates_24[idx].hw_value;
+ else
+ rate = mwl8k_rates_50[idx].hw_value;
+
+ mwl8k_cmd_use_fixed_rate_ap(hw, rate, rate);
+ }
}

if (changed & BSS_CHANGED_ERP_PREAMBLE) {
@@ -4898,13 +4918,13 @@ mwl8k_bss_info_changed_sta(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
goto out;
}

- if (changed & BSS_CHANGED_ERP_SLOT) {
+ if ((changed & BSS_CHANGED_ERP_SLOT) && !priv->ap_fw) {
rc = mwl8k_cmd_set_slot(hw, vif->bss_conf.use_short_slot);
if (rc)
goto out;
}

- if (vif->bss_conf.assoc &&
+ if (vif->bss_conf.assoc && !priv->ap_fw &&
(changed & (BSS_CHANGED_ASSOC | BSS_CHANGED_ERP_CTS_PROT |
BSS_CHANGED_HT))) {
rc = mwl8k_cmd_set_aid(hw, vif, ap_legacy_rates);
--
1.8.0.3