From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mail-ww0-f42.google.com ([74.125.82.42]:60911 "EHLO mail-ww0-f42.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752745Ab1HIJON (ORCPT ); Tue, 9 Aug 2011 05:14:13 -0400 Received: by mail-ww0-f42.google.com with SMTP id 5so2048416wwe.1 for ; Tue, 09 Aug 2011 02:14:12 -0700 (PDT) From: Eliad Peller To: Luciano Coelho Cc: Subject: [PATCH 22/40] wl12xx: use dynamic hlids for AP-mode Date: Tue, 9 Aug 2011 12:13:35 +0300 Message-Id: <1312881233-9366-23-git-send-email-eliad@wizery.com> (sfid-20110809_111420_163595_A67776B6) In-Reply-To: <1312881233-9366-1-git-send-email-eliad@wizery.com> References: <1312881233-9366-1-git-send-email-eliad@wizery.com> Sender: linux-wireless-owner@vger.kernel.org List-ID: From: Arik Nemtsov Using hlid=0 in AP mode is a bug. Dynamically allocate HLIDs. Set the "first sta hlid" as 3. This will have to be changed when multiple vifs will be supported. Signed-off-by: Arik Nemtsov Signed-off-by: Eliad Peller --- drivers/net/wireless/wl12xx/cmd.c | 27 +++++++++++++++++++++++---- drivers/net/wireless/wl12xx/main.c | 9 +++++++-- drivers/net/wireless/wl12xx/tx.c | 17 ++++++----------- drivers/net/wireless/wl12xx/wl12xx.h | 13 ++++++++++--- 4 files changed, 46 insertions(+), 20 deletions(-) diff --git a/drivers/net/wireless/wl12xx/cmd.c b/drivers/net/wireless/wl12xx/cmd.c index 3bbee10..6ef9d13 100644 --- a/drivers/net/wireless/wl12xx/cmd.c +++ b/drivers/net/wireless/wl12xx/cmd.c @@ -679,17 +679,25 @@ int wl1271_cmd_role_start_ap(struct wl1271 *wl) cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); if (!cmd) { ret = -ENOMEM; goto out; } + ret = wl1271_allocate_link(wl, &wl->ap_global_hlid); + if (ret < 0) + goto out_free; + + ret = wl1271_allocate_link(wl, &wl->ap_bcast_hlid); + if (ret < 0) + goto out_free_global; + cmd->role_id = wl->role_id; cmd->ap.aging_period = cpu_to_le16(wl->conf.tx.ap_aging_period); cmd->ap.bss_index = WL1271_AP_BSS_INDEX; - cmd->ap.global_hlid = WL1271_AP_GLOBAL_HLID; - cmd->ap.broadcast_hlid = WL1271_AP_BROADCAST_HLID; + cmd->ap.global_hlid = wl->ap_global_hlid; + cmd->ap.broadcast_hlid = wl->ap_bcast_hlid; cmd->ap.basic_rate_set = cpu_to_le32(wl->basic_rate_set); cmd->ap.beacon_interval = cpu_to_le16(wl->beacon_int); cmd->ap.dtim_interval = bss_conf->dtim_period; cmd->ap.beacon_expiry = WL1271_AP_DEF_BEACON_EXP; cmd->channel = wl->channel; cmd->ap.ssid_len = wl->ssid_len; @@ -710,15 +718,23 @@ int wl1271_cmd_role_start_ap(struct wl1271 *wl) break; } ret = wl1271_cmd_send(wl, CMD_ROLE_START, cmd, sizeof(*cmd), 0); if (ret < 0) { wl1271_error("failed to initiate cmd start bss"); - goto out_free; + goto out_free_bcast; } + goto out_free; + +out_free_bcast: + wl1271_free_link(wl, &wl->ap_bcast_hlid); + +out_free_global: + wl1271_free_link(wl, &wl->ap_global_hlid); + out_free: kfree(cmd); out: return ret; } @@ -741,12 +757,15 @@ int wl1271_cmd_role_stop_ap(struct wl1271 *wl) ret = wl1271_cmd_send(wl, CMD_ROLE_STOP, cmd, sizeof(*cmd), 0); if (ret < 0) { wl1271_error("failed to initiate cmd role ap stop"); goto out_free; } + wl1271_free_link(wl, &wl->ap_bcast_hlid); + wl1271_free_link(wl, &wl->ap_global_hlid); + out_free: kfree(cmd); out: return ret; } @@ -1250,13 +1269,13 @@ int wl1271_cmd_set_ap_key(struct wl1271 *wl, u16 action, u8 id, u8 key_type, u8 lid_type; cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); if (!cmd) return -ENOMEM; - if (hlid == WL1271_AP_BROADCAST_HLID) { + if (hlid == wl->ap_bcast_hlid) { if (key_type == KEY_WEP) lid_type = WEP_DEFAULT_LID_TYPE; else lid_type = BROADCAST_LID_TYPE; } else { lid_type = UNICAST_LID_TYPE; diff --git a/drivers/net/wireless/wl12xx/main.c b/drivers/net/wireless/wl12xx/main.c index ea4e89f..994a26d 100644 --- a/drivers/net/wireless/wl12xx/main.c +++ b/drivers/net/wireless/wl12xx/main.c @@ -1950,14 +1950,17 @@ static void __wl1271_op_remove_interface(struct wl1271 *wl, wl1271_cmd_role_disable(wl, &wl->dev_role_id); wl1271_cmd_role_disable(wl, &wl->role_id); wl1271_ps_elp_sleep(wl); } + /* clear all hlids (except system_hlid) */ wl->sta_hlid = WL1271_INVALID_LINK_ID; wl->dev_hlid = WL1271_INVALID_LINK_ID; + wl->ap_bcast_hlid = WL1271_INVALID_LINK_ID; + wl->ap_global_hlid = WL1271_INVALID_LINK_ID; /* * this must be before the cancel_work calls below, so that the work * functions don't perform further work. */ wl->state = WL1271_STATE_OFF; @@ -2504,13 +2507,13 @@ static int wl1271_ap_init_hwenc(struct wl1271 *wl) if (key->key_type == KEY_WEP) wep_key_added = true; } if (wep_key_added) { ret = wl1271_cmd_set_default_wep_key(wl, wl->default_key, - WL1271_AP_BROADCAST_HLID); + wl->ap_bcast_hlid); if (ret < 0) goto out; } out: wl1271_free_ap_keys(wl); @@ -2529,13 +2532,13 @@ static int wl1271_set_key(struct wl1271 *wl, u16 action, u8 id, u8 key_type, u8 hlid; if (sta) { wl_sta = (struct wl1271_station *)sta->drv_priv; hlid = wl_sta->hlid; } else { - hlid = WL1271_AP_BROADCAST_HLID; + hlid = wl->ap_bcast_hlid; } if (!test_bit(WL1271_FLAG_AP_STARTED, &wl->flags)) { /* * We do not support removing keys after AP shutdown. * Pretend we do to make mac80211 happy. @@ -4415,12 +4418,14 @@ struct ieee80211_hw *wl1271_alloc_hw(void) wl->role_id = WL1271_INVALID_ROLE_ID; wl->system_hlid = WL1271_SYSTEM_HLID; wl->sta_hlid = WL1271_INVALID_LINK_ID; wl->dev_role_id = WL1271_INVALID_ROLE_ID; wl->dev_hlid = WL1271_INVALID_LINK_ID; wl->session_counter = 0; + wl->ap_bcast_hlid = WL1271_INVALID_LINK_ID; + wl->ap_global_hlid = WL1271_INVALID_LINK_ID; setup_timer(&wl->rx_streaming_timer, wl1271_rx_streaming_timer, (unsigned long) wl); wl->fwlog_size = 0; init_waitqueue_head(&wl->fwlog_waitq); memset(wl->links_map, 0, sizeof(wl->links_map)); diff --git a/drivers/net/wireless/wl12xx/tx.c b/drivers/net/wireless/wl12xx/tx.c index 4e1c655..d99922c 100644 --- a/drivers/net/wireless/wl12xx/tx.c +++ b/drivers/net/wireless/wl12xx/tx.c @@ -35,13 +35,13 @@ static int wl1271_set_default_wep_key(struct wl1271 *wl, u8 id) { int ret; bool is_ap = (wl->bss_type == BSS_TYPE_AP_BSS); if (is_ap) ret = wl1271_cmd_set_default_wep_key(wl, id, - WL1271_AP_BROADCAST_HLID); + wl->ap_bcast_hlid); else ret = wl1271_cmd_set_default_wep_key(wl, id, wl->sta_hlid); if (ret < 0) return ret; @@ -160,15 +160,15 @@ u8 wl1271_tx_get_hlid(struct wl1271 *wl, struct sk_buff *skb) if (!test_bit(WL1271_FLAG_AP_STARTED, &wl->flags)) return wl->system_hlid; hdr = (struct ieee80211_hdr *)skb->data; if (ieee80211_is_mgmt(hdr->frame_control)) - return WL1271_AP_GLOBAL_HLID; + return wl->ap_global_hlid; else - return WL1271_AP_BROADCAST_HLID; + return wl->ap_bcast_hlid; } } static unsigned int wl12xx_calc_packet_alignment(struct wl1271 *wl, unsigned int packet_length) { @@ -300,23 +300,18 @@ static void wl1271_tx_fill_hdr(struct wl1271 *wl, struct sk_buff *skb, basic rates */ if (control->control.sta) rate_idx = ACX_TX_AP_FULL_RATE; else rate_idx = ACX_TX_BASIC_RATE; } else { - switch (hlid) { - case WL1271_AP_GLOBAL_HLID: + if (hlid == wl->ap_global_hlid) rate_idx = ACX_TX_AP_MODE_MGMT_RATE; - break; - case WL1271_AP_BROADCAST_HLID: + else if (hlid == wl->ap_bcast_hlid) rate_idx = ACX_TX_AP_MODE_BCST_RATE; - break; - default: + else rate_idx = ac; - break; - } } tx_attr |= rate_idx << TX_HW_ATTR_OFST_RATE_POLICY; desc->reserved = 0; aligned_len = wl12xx_calc_packet_alignment(wl, skb->len); diff --git a/drivers/net/wireless/wl12xx/wl12xx.h b/drivers/net/wireless/wl12xx/wl12xx.h index 37b1d6b..8dba44d 100644 --- a/drivers/net/wireless/wl12xx/wl12xx.h +++ b/drivers/net/wireless/wl12xx/wl12xx.h @@ -138,16 +138,21 @@ extern u32 wl12xx_debug_level; #define WL1271_DEFAULT_DTIM_PERIOD 1 #define WL1271_MAX_ROLES 4 #define WL1271_MAX_LINKS 8 #define WL1271_INVALID_ROLE_ID 0xff #define WL1271_INVALID_LINK_ID 0xff + +/* Defined by FW as 0. Will not be freed or allocated. */ #define WL1271_SYSTEM_HLID 0 -#define WL1271_AP_GLOBAL_HLID 0 -#define WL1271_AP_BROADCAST_HLID 1 -#define WL1271_AP_STA_HLID_START 2 + +/* + * TODO: we currently don't support multirole. remove + * this constant from the code when we do. + */ +#define WL1271_AP_STA_HLID_START 3 /* * When in AP-mode, we allow (at least) this number of mem-blocks * to be transmitted to FW for a STA in PS-mode. Only when packets are * present in the FW buffers it will wake the sleeping STA. We want to put * enough packets for the driver to transmit all of its buffered data before @@ -396,12 +401,14 @@ struct wl1271 { int channel; u8 role_id; u8 dev_role_id; u8 system_hlid; u8 sta_hlid; u8 dev_hlid; + u8 ap_global_hlid; + u8 ap_bcast_hlid; unsigned long links_map[BITS_TO_LONGS(WL1271_MAX_LINKS)]; unsigned long roles_map[BITS_TO_LONGS(WL1271_MAX_ROLES)]; unsigned long roc_map[BITS_TO_LONGS(WL1271_MAX_ROLES)]; struct wl1271_acx_mem_map *target_mem_map; -- 1.7.6.401.g6a319