@@ -33,7 +33,8 @@ int wl18xx_cmd_channel_switch(struct wl1271 *wl,
u32 supported_rates;
int ret;
- wl1271_debug(DEBUG_ACX, "cmd channel switch");
+ wl1271_debug(DEBUG_ACX, "cmd channel switch (count=%d)",
+ ch_switch->count);
cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
if (!cmd) {
@@ -60,8 +61,12 @@ int wl18xx_cmd_channel_switch(struct wl1271 *wl,
goto out_free;
}
- supported_rates = CONF_TX_ENABLED_RATES | CONF_TX_MCS_RATES |
- wlcore_hw_sta_get_ap_rate_mask(wl, wlvif);
+ supported_rates = CONF_TX_ENABLED_RATES | CONF_TX_MCS_RATES;
+ if (wlvif->bss_type == BSS_TYPE_STA_BSS)
+ supported_rates |= wlcore_hw_sta_get_ap_rate_mask(wl, wlvif);
+ else
+ supported_rates |=
+ wlcore_hw_ap_get_mimo_wide_rate_mask(wl, wlvif);
if (wlvif->p2p)
supported_rates &= ~CONF_TX_CCK_RATES;
cmd->local_supported_rates = cpu_to_le32(supported_rates);
@@ -139,7 +139,7 @@ void wlcore_event_channel_switch(struct wl1271 *wl,
wl1271_debug(DEBUG_EVENT, "%s: roles=0x%lx success=%d",
__func__, roles_bitmap, success);
- wl12xx_for_each_wlvif_sta(wl, wlvif) {
+ wl12xx_for_each_wlvif(wl, wlvif) {
if (wlvif->role_id == WL12XX_INVALID_ROLE_ID ||
!test_bit(wlvif->role_id , &roles_bitmap))
continue;
@@ -150,8 +150,12 @@ void wlcore_event_channel_switch(struct wl1271 *wl,
vif = wl12xx_wlvif_to_vif(wlvif);
- ieee80211_chswitch_done(vif, success);
- cancel_delayed_work(&wlvif->channel_switch_work);
+ if (wlvif->bss_type == BSS_TYPE_STA_BSS) {
+ ieee80211_chswitch_done(vif, success);
+ cancel_delayed_work(&wlvif->channel_switch_work);
+ } else {
+ ieee80211_csa_finish(vif);
+ }
}
}
EXPORT_SYMBOL_GPL(wlcore_event_channel_switch);
@@ -5434,6 +5434,83 @@ out:
mutex_unlock(&wl->mutex);
}
+static const void *wlcore_get_beacon_ie(struct wl1271 *wl,
+ struct wl12xx_vif *wlvif,
+ u8 eid)
+{
+ int ieoffset = offsetof(struct ieee80211_mgmt, u.beacon.variable);
+ struct sk_buff *beacon =
+ ieee80211_beacon_get(wl->hw, wl12xx_wlvif_to_vif(wlvif));
+
+ if (!beacon)
+ return NULL;
+
+ return cfg80211_find_ie(eid,
+ beacon->data + ieoffset,
+ beacon->len - ieoffset);
+}
+
+static int wlcore_get_csa_count(struct wl1271 *wl, struct wl12xx_vif *wlvif,
+ u8 *csa_count)
+{
+ const u8 *ie;
+ const struct ieee80211_channel_sw_ie *ie_csa;
+
+ ie = wlcore_get_beacon_ie(wl, wlvif, WLAN_EID_CHANNEL_SWITCH);
+ if (!ie)
+ return -EINVAL;
+
+ ie_csa = (struct ieee80211_channel_sw_ie *)&ie[2];
+ *csa_count = ie_csa->count;
+
+ return 0;
+}
+
+static void wlcore_op_channel_switch_beacon(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ struct cfg80211_chan_def *chandef)
+{
+ struct wl1271 *wl = hw->priv;
+ struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif);
+ struct ieee80211_channel_switch ch_switch = {
+ .block_tx = true,
+ .chandef = *chandef,
+ };
+ int ret;
+
+ wl1271_debug(DEBUG_MAC80211,
+ "mac80211 channel switch beacon (role %d)",
+ wlvif->role_id);
+
+ ret = wlcore_get_csa_count(wl, wlvif, &ch_switch.count);
+ if (ret < 0) {
+ wl1271_error("error getting beacon (for CSA counter)");
+ return;
+ }
+
+ mutex_lock(&wl->mutex);
+
+ if (unlikely(wl->state != WLCORE_STATE_ON)) {
+ ret = -EBUSY;
+ goto out;
+ }
+
+ ret = wl1271_ps_elp_wakeup(wl);
+ if (ret < 0)
+ goto out;
+
+ ret = wl->ops->channel_switch(wl, wlvif, &ch_switch);
+ if (ret)
+ goto out_sleep;
+
+ set_bit(WLVIF_FLAG_CS_PROGRESS, &wlvif->flags);
+
+out_sleep:
+ wl1271_ps_elp_sleep(wl);
+out:
+ mutex_unlock(&wl->mutex);
+}
+
static void wlcore_op_flush(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
u32 queues, bool drop)
{
@@ -5808,6 +5885,7 @@ static const struct ieee80211_ops wl1271_ops = {
.set_bitrate_mask = wl12xx_set_bitrate_mask,
.set_default_unicast_key = wl1271_op_set_default_key_idx,
.channel_switch = wl12xx_op_channel_switch,
+ .channel_switch_beacon = wlcore_op_channel_switch_beacon,
.flush = wlcore_op_flush,
.remain_on_channel = wlcore_op_remain_on_channel,
.cancel_remain_on_channel = wlcore_op_cancel_remain_on_channel,
@@ -6023,7 +6101,8 @@ static int wl1271_init_ieee80211(struct wl1271 *wl)
wl->hw->wiphy->flags |= WIPHY_FLAG_AP_UAPSD |
WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL |
- WIPHY_FLAG_SUPPORTS_SCHED_SCAN;
+ WIPHY_FLAG_SUPPORTS_SCHED_SCAN |
+ WIPHY_FLAG_HAS_CHANNEL_SWITCH;
/* make sure all our channels fit in the scanned_ch bitmask */
BUILD_BUG_ON(ARRAY_SIZE(wl1271_channels) +
Support ap csa support by implementing the channel_switch_beacon() mac80211 op. Signed-off-by: Eliad Peller <eliad@wizery.com> --- drivers/net/wireless/ti/wl18xx/cmd.c | 11 +++-- drivers/net/wireless/ti/wlcore/event.c | 10 +++-- drivers/net/wireless/ti/wlcore/main.c | 81 +++++++++++++++++++++++++++++++++- 3 files changed, 95 insertions(+), 7 deletions(-)