From 5da11dcde3d2a91688e02f032062fa26877eacb0 Mon Sep 17 00:00:00 2001 From: Juuso Oikarinen Date: Fri, 26 Mar 2010 12:53:24 +0200 Subject: [PATCH] wl1271: Fix ad-hoc mode handling Fix the driver to better reflect the ad-hoc related configuration from the mac80211. Signed-off-by: Juuso Oikarinen Reviewed-by: Teemu Paasikivi Signed-off-by: Luciano Coelho Signed-off-by: John W. Linville --- drivers/net/wireless/wl12xx/wl1271.h | 2 ++ drivers/net/wireless/wl12xx/wl1271_main.c | 33 ++++++++++++++++++++----------- 2 files changed, 24 insertions(+), 11 deletions(-) diff --git a/drivers/net/wireless/wl12xx/wl1271.h b/drivers/net/wireless/wl12xx/wl1271.h index c939680..37ad5cd 100644 --- a/drivers/net/wireless/wl12xx/wl1271.h +++ b/drivers/net/wireless/wl12xx/wl1271.h @@ -55,6 +55,7 @@ enum { DEBUG_ACX = BIT(13), DEBUG_SDIO = BIT(14), DEBUG_FILTERS = BIT(15), + DEBUG_ADHOC = BIT(16), DEBUG_ALL = ~0, }; @@ -389,6 +390,7 @@ struct wl1271 { u8 bssid[ETH_ALEN]; u8 mac_addr[ETH_ALEN]; u8 bss_type; + u8 set_bss_type; u8 ssid[IW_ESSID_MAX_SIZE + 1]; u8 ssid_len; int channel; diff --git a/drivers/net/wireless/wl12xx/wl1271_main.c b/drivers/net/wireless/wl12xx/wl1271_main.c index 00e856c..49f37b0 100644 --- a/drivers/net/wireless/wl12xx/wl1271_main.c +++ b/drivers/net/wireless/wl12xx/wl1271_main.c @@ -958,9 +958,11 @@ static int wl1271_op_add_interface(struct ieee80211_hw *hw, switch (vif->type) { case NL80211_IFTYPE_STATION: wl->bss_type = BSS_TYPE_STA_BSS; + wl->set_bss_type = BSS_TYPE_STA_BSS; break; case NL80211_IFTYPE_ADHOC: wl->bss_type = BSS_TYPE_IBSS; + wl->set_bss_type = BSS_TYPE_STA_BSS; break; default: ret = -EOPNOTSUPP; @@ -1065,6 +1067,7 @@ static void wl1271_op_remove_interface(struct ieee80211_hw *hw, memset(wl->ssid, 0, IW_ESSID_MAX_SIZE + 1); wl->ssid_len = 0; wl->bss_type = MAX_BSS_TYPE; + wl->set_bss_type = MAX_BSS_TYPE; wl->band = IEEE80211_BAND_2GHZ; wl->rx_counter = 0; @@ -1137,10 +1140,7 @@ static int wl1271_join_channel(struct wl1271 *wl, int channel) /* pass through frames from all BSS */ wl1271_configure_filters(wl, FIF_OTHER_BSS); - /* the dummy join is performed always with STATION BSS type to allow - also ad-hoc mode to listen to the surroundings without sending any - beacons yet. */ - ret = wl1271_cmd_join(wl, BSS_TYPE_STA_BSS); + ret = wl1271_cmd_join(wl, wl->set_bss_type); if (ret < 0) goto out; @@ -1211,7 +1211,7 @@ static int wl1271_op_config(struct ieee80211_hw *hw, u32 changed) test_bit(WL1271_FLAG_JOINED, &wl->flags)) { wl->channel = channel; /* FIXME: maybe use CMD_CHANNEL_SWITCH for this? */ - ret = wl1271_cmd_join(wl, wl->bss_type); + ret = wl1271_cmd_join(wl, wl->set_bss_type); if (ret < 0) wl1271_warning("cmd join to update channel failed %d", ret); @@ -1575,13 +1575,12 @@ static void wl1271_op_bss_info_changed(struct ieee80211_hw *hw, if (ret < 0) goto out; - if (wl->bss_type == BSS_TYPE_IBSS) { - /* FIXME: This implements rudimentary ad-hoc support - - proper templates are on the wish list and notification - on when they change. This patch will update the templates - on every call to this function. */ + if ((changed && BSS_CHANGED_BEACON) && + (wl->bss_type == BSS_TYPE_IBSS)) { struct sk_buff *beacon = ieee80211_beacon_get(hw, vif); + wl1271_debug(DEBUG_ADHOC, "ad-hoc beacon updated"); + if (beacon) { struct ieee80211_hdr *hdr; @@ -1613,6 +1612,18 @@ static void wl1271_op_bss_info_changed(struct ieee80211_hw *hw, } } + if ((changed & BSS_CHANGED_BEACON_ENABLED) && + (wl->bss_type == BSS_TYPE_IBSS)) { + wl1271_debug(DEBUG_ADHOC, "ad-hoc beaconing: %s", + bss_conf->enable_beacon ? "enabled" : "disabled"); + + if (bss_conf->enable_beacon) + wl->set_bss_type = BSS_TYPE_IBSS; + else + wl->set_bss_type = BSS_TYPE_STA_BSS; + do_join = true; + } + if ((changed & BSS_CHANGED_BSSID) && /* * Now we know the correct bssid, so we send a new join command @@ -1707,7 +1718,7 @@ static void wl1271_op_bss_info_changed(struct ieee80211_hw *hw, } if (do_join) { - ret = wl1271_cmd_join(wl, wl->bss_type); + ret = wl1271_cmd_join(wl, wl->set_bss_type); if (ret < 0) { wl1271_warning("cmd join failed %d", ret); goto out_sleep; -- 2.7.4