From 227e81e18422851901b9de11c5955d292c4a47fc Mon Sep 17 00:00:00 2001 From: Eliad Peller Date: Sun, 14 Aug 2011 13:17:26 +0300 Subject: [PATCH] wl12xx: support IBSS vif type Start IBSS role when the interface type is IBSS. As with sta role, use the dev role until the role is started. Signed-off-by: Eliad Peller Signed-off-by: Luciano Coelho --- drivers/net/wireless/wl12xx/main.c | 33 +++++++++++++++++++++++----- drivers/net/wireless/wl12xx/scan.c | 9 +++++++- drivers/net/wireless/wl12xx/tx.c | 3 ++- drivers/net/wireless/wl12xx/wl12xx.h | 1 + 4 files changed, 39 insertions(+), 7 deletions(-) diff --git a/drivers/net/wireless/wl12xx/main.c b/drivers/net/wireless/wl12xx/main.c index 27333d1afd0d..e280d9d7911b 100644 --- a/drivers/net/wireless/wl12xx/main.c +++ b/drivers/net/wireless/wl12xx/main.c @@ -1770,6 +1770,9 @@ static u8 wl12xx_get_role_type(struct wl1271 *wl) case BSS_TYPE_STA_BSS: return WL1271_ROLE_STA; + case BSS_TYPE_IBSS: + return WL1271_ROLE_IBSS; + default: wl1271_error("invalid bss_type: %d", wl->bss_type); } @@ -1848,7 +1851,8 @@ static int wl1271_op_add_interface(struct ieee80211_hw *hw, if (ret < 0) goto power_off; - if (wl->bss_type == BSS_TYPE_STA_BSS) { + if (wl->bss_type == BSS_TYPE_STA_BSS || + wl->bss_type == BSS_TYPE_IBSS) { /* * The device role is a special role used for * rx and tx frames prior to association (as @@ -2078,6 +2082,7 @@ static void wl1271_op_remove_interface(struct ieee80211_hw *hw, static int wl1271_join(struct wl1271 *wl, bool set_assoc) { int ret; + bool is_ibss = (wl->bss_type == BSS_TYPE_IBSS); /* * One of the side effects of the JOIN command is that is clears @@ -2094,7 +2099,10 @@ static int wl1271_join(struct wl1271 *wl, bool set_assoc) if (set_assoc) set_bit(WL1271_FLAG_STA_ASSOCIATED, &wl->flags); - ret = wl12xx_cmd_role_start_sta(wl); + if (is_ibss) + ret = wl12xx_cmd_role_start_ibss(wl); + else + ret = wl12xx_cmd_role_start_sta(wl); if (ret < 0) goto out; @@ -3128,6 +3136,7 @@ static void wl1271_bss_info_changed_sta(struct wl1271 *wl, { bool do_join = false, set_assoc = false; bool is_ibss = (wl->bss_type == BSS_TYPE_IBSS); + bool ibss_joined = false; u32 sta_rate_set = 0; int ret; struct ieee80211_sta *sta; @@ -3141,14 +3150,28 @@ static void wl1271_bss_info_changed_sta(struct wl1271 *wl, goto out; } - if ((changed & BSS_CHANGED_BEACON_INT) && is_ibss) + if (changed & BSS_CHANGED_IBSS) { + if (bss_conf->ibss_joined) { + set_bit(WL1271_FLAG_IBSS_JOINED, &wl->flags); + ibss_joined = true; + } else { + if (test_and_clear_bit(WL1271_FLAG_IBSS_JOINED, + &wl->flags)) { + wl1271_unjoin(wl); + wl12xx_cmd_role_start_dev(wl); + wl12xx_roc(wl, wl->dev_role_id); + } + } + } + + if ((changed & BSS_CHANGED_BEACON_INT) && ibss_joined) do_join = true; /* Need to update the SSID (for filtering etc) */ - if ((changed & BSS_CHANGED_BEACON) && is_ibss) + if ((changed & BSS_CHANGED_BEACON) && ibss_joined) do_join = true; - if ((changed & BSS_CHANGED_BEACON_ENABLED) && is_ibss) { + if ((changed & BSS_CHANGED_BEACON_ENABLED) && ibss_joined) { wl1271_debug(DEBUG_ADHOC, "ad-hoc beaconing: %s", bss_conf->enable_beacon ? "enabled" : "disabled"); diff --git a/drivers/net/wireless/wl12xx/scan.c b/drivers/net/wireless/wl12xx/scan.c index 653091a38dce..7229eaa89018 100644 --- a/drivers/net/wireless/wl12xx/scan.c +++ b/drivers/net/wireless/wl12xx/scan.c @@ -34,6 +34,7 @@ void wl1271_scan_complete_work(struct work_struct *work) struct delayed_work *dwork; struct wl1271 *wl; int ret; + bool is_sta, is_ibss; dwork = container_of(work, struct delayed_work, work); wl = container_of(dwork, struct wl1271, scan_complete_work); @@ -59,7 +60,13 @@ void wl1271_scan_complete_work(struct work_struct *work) if (test_bit(WL1271_FLAG_STA_ASSOCIATED, &wl->flags)) { /* restore hardware connection monitoring template */ wl1271_cmd_build_ap_probe_req(wl, wl->probereq); - } else { + } + + /* return to ROC if needed */ + is_sta = (wl->bss_type == BSS_TYPE_STA_BSS); + is_ibss = (wl->bss_type == BSS_TYPE_IBSS); + if ((is_sta && !test_bit(WL1271_FLAG_STA_ASSOCIATED, &wl->flags)) || + (is_ibss && !test_bit(WL1271_FLAG_IBSS_JOINED, &wl->flags))) { /* restore remain on channel */ wl12xx_cmd_role_start_dev(wl); wl12xx_roc(wl, wl->dev_role_id); diff --git a/drivers/net/wireless/wl12xx/tx.c b/drivers/net/wireless/wl12xx/tx.c index 1240f4094a8b..8fdffd08d492 100644 --- a/drivers/net/wireless/wl12xx/tx.c +++ b/drivers/net/wireless/wl12xx/tx.c @@ -182,7 +182,8 @@ static u8 wl1271_tx_get_hlid(struct wl1271 *wl, struct sk_buff *skb) if (wl->bss_type == BSS_TYPE_AP_BSS) return wl12xx_tx_get_hlid_ap(wl, skb); - if (test_bit(WL1271_FLAG_STA_ASSOCIATED, &wl->flags)) + if (test_bit(WL1271_FLAG_STA_ASSOCIATED, &wl->flags) || + test_bit(WL1271_FLAG_IBSS_JOINED, &wl->flags)) return wl->sta_hlid; else return wl->dev_hlid; diff --git a/drivers/net/wireless/wl12xx/wl12xx.h b/drivers/net/wireless/wl12xx/wl12xx.h index 487c3c7e0273..416d68ed95cf 100644 --- a/drivers/net/wireless/wl12xx/wl12xx.h +++ b/drivers/net/wireless/wl12xx/wl12xx.h @@ -324,6 +324,7 @@ struct wl1271_ap_key { enum wl12xx_flags { WL1271_FLAG_STA_ASSOCIATED, + WL1271_FLAG_IBSS_JOINED, WL1271_FLAG_GPIO_POWER, WL1271_FLAG_TX_QUEUE_STOPPED, WL1271_FLAG_TX_PENDING,