From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mail-wy0-f174.google.com ([74.125.82.174]:54095 "EHLO mail-wy0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752957Ab1HNKRz (ORCPT ); Sun, 14 Aug 2011 06:17:55 -0400 Received: by mail-wy0-f174.google.com with SMTP id 24so2967072wyg.19 for ; Sun, 14 Aug 2011 03:17:55 -0700 (PDT) From: Eliad Peller To: Luciano Coelho Cc: Subject: [PATCH v2 27/40] wl12xx: support IBSS vif type Date: Sun, 14 Aug 2011 13:17:26 +0300 Message-Id: <1313317059-16567-28-git-send-email-eliad@wizery.com> (sfid-20110814_121800_232949_E83A3D78) In-Reply-To: <1313317059-16567-1-git-send-email-eliad@wizery.com> References: <1313317059-16567-1-git-send-email-eliad@wizery.com> Sender: linux-wireless-owner@vger.kernel.org List-ID: 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 --- 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 9b0df66..de4b6c2 100644 --- a/drivers/net/wireless/wl12xx/main.c +++ b/drivers/net/wireless/wl12xx/main.c @@ -1767,12 +1767,15 @@ static u8 wl12xx_get_role_type(struct wl1271 *wl) case BSS_TYPE_AP_BSS: return WL1271_ROLE_AP; 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); } return WL12XX_INVALID_ROLE_TYPE; } @@ -1845,13 +1848,14 @@ static int wl1271_op_add_interface(struct ieee80211_hw *hw, goto power_off; ret = wl1271_boot(wl); 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 * the STA role can get packets only from * its associated bssid) */ @@ -2075,12 +2079,13 @@ static void wl1271_op_remove_interface(struct ieee80211_hw *hw, cancel_work_sync(&wl->recovery_work); } 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 * WPA/WPA2 keys from the chipset. Performing a JOIN while associated * to a WPA/WPA2 access point will therefore kill the data-path. * Currently the only valid scenario for JOIN during association @@ -2091,13 +2096,16 @@ static int wl1271_join(struct wl1271 *wl, bool set_assoc) if (test_bit(WL1271_FLAG_STA_ASSOCIATED, &wl->flags)) wl1271_info("JOIN while associated."); 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; if (!test_bit(WL1271_FLAG_STA_ASSOCIATED, &wl->flags)) goto out; @@ -3125,12 +3133,13 @@ static void wl1271_bss_info_changed_sta(struct wl1271 *wl, struct ieee80211_vif *vif, struct ieee80211_bss_conf *bss_conf, u32 changed) { 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; bool sta_exists = false; struct ieee80211_sta_ht_cap sta_ht_cap; @@ -3138,20 +3147,34 @@ static void wl1271_bss_info_changed_sta(struct wl1271 *wl, ret = wl1271_bss_beacon_info_changed(wl, vif, bss_conf, changed); if (ret < 0) 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"); if (bss_conf->enable_beacon) wl->set_bss_type = BSS_TYPE_IBSS; else diff --git a/drivers/net/wireless/wl12xx/scan.c b/drivers/net/wireless/wl12xx/scan.c index 653091a..7229eaa 100644 --- a/drivers/net/wireless/wl12xx/scan.c +++ b/drivers/net/wireless/wl12xx/scan.c @@ -31,12 +31,13 @@ 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); wl1271_debug(DEBUG_SCAN, "Scanning complete"); @@ -56,13 +57,19 @@ void wl1271_scan_complete_work(struct work_struct *work) if (ret < 0) goto out; 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); } wl1271_ps_elp_sleep(wl); diff --git a/drivers/net/wireless/wl12xx/tx.c b/drivers/net/wireless/wl12xx/tx.c index 1240f40..8fdffd0 100644 --- a/drivers/net/wireless/wl12xx/tx.c +++ b/drivers/net/wireless/wl12xx/tx.c @@ -179,13 +179,14 @@ static u8 wl1271_tx_get_hlid(struct wl1271 *wl, struct sk_buff *skb) if (wl12xx_is_dummy_packet(wl, skb)) return wl->system_hlid; 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; } static unsigned int wl12xx_calc_packet_alignment(struct wl1271 *wl, diff --git a/drivers/net/wireless/wl12xx/wl12xx.h b/drivers/net/wireless/wl12xx/wl12xx.h index 487c3c7..416d68e 100644 --- a/drivers/net/wireless/wl12xx/wl12xx.h +++ b/drivers/net/wireless/wl12xx/wl12xx.h @@ -321,12 +321,13 @@ struct wl1271_ap_key { u32 tx_seq_32; u16 tx_seq_16; }; enum wl12xx_flags { WL1271_FLAG_STA_ASSOCIATED, + WL1271_FLAG_IBSS_JOINED, WL1271_FLAG_GPIO_POWER, WL1271_FLAG_TX_QUEUE_STOPPED, WL1271_FLAG_TX_PENDING, WL1271_FLAG_IN_ELP, WL1271_FLAG_ELP_REQUESTED, WL1271_FLAG_PSM, -- 1.7.6.401.g6a319