diff options
Diffstat (limited to 'drivers/net/wireless/iwlegacy/iwl-4965-sta.c')
| -rw-r--r-- | drivers/net/wireless/iwlegacy/iwl-4965-sta.c | 712 |
1 files changed, 0 insertions, 712 deletions
diff --git a/drivers/net/wireless/iwlegacy/iwl-4965-sta.c b/drivers/net/wireless/iwlegacy/iwl-4965-sta.c deleted file mode 100644 index 337bf0c1c4c2..000000000000 --- a/drivers/net/wireless/iwlegacy/iwl-4965-sta.c +++ /dev/null @@ -1,712 +0,0 @@ -/****************************************************************************** - * - * Copyright(c) 2003 - 2011 Intel Corporation. All rights reserved. - * - * Portions of this file are derived from the ipw3945 project, as well - * as portions of the ieee80211 subsystem header files. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of version 2 of the GNU General Public License as - * published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License along with - * this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA - * - * The full GNU General Public License is included in this distribution in the - * file called LICENSE. - * - * Contact Information: - * Intel Linux Wireless <ilw@linux.intel.com> - * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 - * - *****************************************************************************/ - -#include <net/mac80211.h> - -#include "iwl-dev.h" -#include "iwl-core.h" -#include "iwl-sta.h" -#include "iwl-4965.h" - -static struct il_link_quality_cmd * -il4965_sta_alloc_lq(struct il_priv *il, u8 sta_id) -{ - int i, r; - struct il_link_quality_cmd *link_cmd; - u32 rate_flags = 0; - __le32 rate_n_flags; - - link_cmd = kzalloc(sizeof(struct il_link_quality_cmd), GFP_KERNEL); - if (!link_cmd) { - IL_ERR("Unable to allocate memory for LQ cmd.\n"); - return NULL; - } - /* Set up the rate scaling to start at selected rate, fall back - * all the way down to 1M in IEEE order, and then spin on 1M */ - if (il->band == IEEE80211_BAND_5GHZ) - r = RATE_6M_IDX; - else - r = RATE_1M_IDX; - - if (r >= IL_FIRST_CCK_RATE && r <= IL_LAST_CCK_RATE) - rate_flags |= RATE_MCS_CCK_MSK; - - rate_flags |= il4965_first_antenna(il->hw_params.valid_tx_ant) << - RATE_MCS_ANT_POS; - rate_n_flags = il4965_hw_set_rate_n_flags(il_rates[r].plcp, - rate_flags); - for (i = 0; i < LINK_QUAL_MAX_RETRY_NUM; i++) - link_cmd->rs_table[i].rate_n_flags = rate_n_flags; - - link_cmd->general_params.single_stream_ant_msk = - il4965_first_antenna(il->hw_params.valid_tx_ant); - - link_cmd->general_params.dual_stream_ant_msk = - il->hw_params.valid_tx_ant & - ~il4965_first_antenna(il->hw_params.valid_tx_ant); - if (!link_cmd->general_params.dual_stream_ant_msk) { - link_cmd->general_params.dual_stream_ant_msk = ANT_AB; - } else if (il4965_num_of_ant(il->hw_params.valid_tx_ant) == 2) { - link_cmd->general_params.dual_stream_ant_msk = - il->hw_params.valid_tx_ant; - } - - link_cmd->agg_params.agg_dis_start_th = LINK_QUAL_AGG_DISABLE_START_DEF; - link_cmd->agg_params.agg_time_limit = - cpu_to_le16(LINK_QUAL_AGG_TIME_LIMIT_DEF); - - link_cmd->sta_id = sta_id; - - return link_cmd; -} - -/* - * il4965_add_bssid_station - Add the special IBSS BSSID station - * - * Function sleeps. - */ -int -il4965_add_bssid_station(struct il_priv *il, struct il_rxon_context *ctx, - const u8 *addr, u8 *sta_id_r) -{ - int ret; - u8 sta_id; - struct il_link_quality_cmd *link_cmd; - unsigned long flags; - - if (sta_id_r) - *sta_id_r = IL_INVALID_STATION; - - ret = il_add_station_common(il, ctx, addr, 0, NULL, &sta_id); - if (ret) { - IL_ERR("Unable to add station %pM\n", addr); - return ret; - } - - if (sta_id_r) - *sta_id_r = sta_id; - - spin_lock_irqsave(&il->sta_lock, flags); - il->stations[sta_id].used |= IL_STA_LOCAL; - spin_unlock_irqrestore(&il->sta_lock, flags); - - /* Set up default rate scaling table in device's station table */ - link_cmd = il4965_sta_alloc_lq(il, sta_id); - if (!link_cmd) { - IL_ERR( - "Unable to initialize rate scaling for station %pM.\n", - addr); - return -ENOMEM; - } - - ret = il_send_lq_cmd(il, ctx, link_cmd, CMD_SYNC, true); - if (ret) - IL_ERR("Link quality command failed (%d)\n", ret); - - spin_lock_irqsave(&il->sta_lock, flags); - il->stations[sta_id].lq = link_cmd; - spin_unlock_irqrestore(&il->sta_lock, flags); - - return 0; -} - -static int il4965_static_wepkey_cmd(struct il_priv *il, - struct il_rxon_context *ctx, - bool send_if_empty) -{ - int i, not_empty = 0; - u8 buff[sizeof(struct il_wep_cmd) + - sizeof(struct il_wep_key) * WEP_KEYS_MAX]; - struct il_wep_cmd *wep_cmd = (struct il_wep_cmd *)buff; - size_t cmd_size = sizeof(struct il_wep_cmd); - struct il_host_cmd cmd = { - .id = ctx->wep_key_cmd, - .data = wep_cmd, - .flags = CMD_SYNC, - }; - - might_sleep(); - - memset(wep_cmd, 0, cmd_size + - (sizeof(struct il_wep_key) * WEP_KEYS_MAX)); - - for (i = 0; i < WEP_KEYS_MAX ; i++) { - wep_cmd->key[i].key_idx = i; - if (ctx->wep_keys[i].key_size) { - wep_cmd->key[i].key_offset = i; - not_empty = 1; - } else { - wep_cmd->key[i].key_offset = WEP_INVALID_OFFSET; - } - - wep_cmd->key[i].key_size = ctx->wep_keys[i].key_size; - memcpy(&wep_cmd->key[i].key[3], ctx->wep_keys[i].key, - ctx->wep_keys[i].key_size); - } - - wep_cmd->global_key_type = WEP_KEY_WEP_TYPE; - wep_cmd->num_keys = WEP_KEYS_MAX; - - cmd_size += sizeof(struct il_wep_key) * WEP_KEYS_MAX; - - cmd.len = cmd_size; - - if (not_empty || send_if_empty) - return il_send_cmd(il, &cmd); - else - return 0; -} - -int il4965_restore_default_wep_keys(struct il_priv *il, - struct il_rxon_context *ctx) -{ - lockdep_assert_held(&il->mutex); - - return il4965_static_wepkey_cmd(il, ctx, false); -} - -int il4965_remove_default_wep_key(struct il_priv *il, - struct il_rxon_context *ctx, - struct ieee80211_key_conf *keyconf) -{ - int ret; - - lockdep_assert_held(&il->mutex); - - D_WEP("Removing default WEP key: idx=%d\n", - keyconf->keyidx); - - memset(&ctx->wep_keys[keyconf->keyidx], 0, sizeof(ctx->wep_keys[0])); - if (il_is_rfkill(il)) { - D_WEP( - "Not sending REPLY_WEPKEY command due to RFKILL.\n"); - /* but keys in device are clear anyway so return success */ - return 0; - } - ret = il4965_static_wepkey_cmd(il, ctx, 1); - D_WEP("Remove default WEP key: idx=%d ret=%d\n", - keyconf->keyidx, ret); - - return ret; -} - -int il4965_set_default_wep_key(struct il_priv *il, - struct il_rxon_context *ctx, - struct ieee80211_key_conf *keyconf) -{ - int ret; - - lockdep_assert_held(&il->mutex); - - if (keyconf->keylen != WEP_KEY_LEN_128 && - keyconf->keylen != WEP_KEY_LEN_64) { - D_WEP("Bad WEP key length %d\n", keyconf->keylen); - return -EINVAL; - } - - keyconf->flags &= ~IEEE80211_KEY_FLAG_GENERATE_IV; - keyconf->hw_key_idx = HW_KEY_DEFAULT; - il->stations[ctx->ap_sta_id].keyinfo.cipher = keyconf->cipher; - - ctx->wep_keys[keyconf->keyidx].key_size = keyconf->keylen; - memcpy(&ctx->wep_keys[keyconf->keyidx].key, &keyconf->key, - keyconf->keylen); - - ret = il4965_static_wepkey_cmd(il, ctx, false); - D_WEP("Set default WEP key: len=%d idx=%d ret=%d\n", - keyconf->keylen, keyconf->keyidx, ret); - - return ret; -} - -static int il4965_set_wep_dynamic_key_info(struct il_priv *il, - struct il_rxon_context *ctx, - struct ieee80211_key_conf *keyconf, - u8 sta_id) -{ - unsigned long flags; - __le16 key_flags = 0; - struct il_addsta_cmd sta_cmd; - - lockdep_assert_held(&il->mutex); - - keyconf->flags &= ~IEEE80211_KEY_FLAG_GENERATE_IV; - - key_flags |= (STA_KEY_FLG_WEP | STA_KEY_FLG_MAP_KEY_MSK); - key_flags |= cpu_to_le16(keyconf->keyidx << STA_KEY_FLG_KEYID_POS); - key_flags &= ~STA_KEY_FLG_INVALID; - - if (keyconf->keylen == WEP_KEY_LEN_128) - key_flags |= STA_KEY_FLG_KEY_SIZE_MSK; - - if (sta_id == ctx->bcast_sta_id) - key_flags |= STA_KEY_MULTICAST_MSK; - - spin_lock_irqsave(&il->sta_lock, flags); - - il->stations[sta_id].keyinfo.cipher = keyconf->cipher; - il->stations[sta_id].keyinfo.keylen = keyconf->keylen; - il->stations[sta_id].keyinfo.keyidx = keyconf->keyidx; - - memcpy(il->stations[sta_id].keyinfo.key, - keyconf->key, keyconf->keylen); - - memcpy(&il->stations[sta_id].sta.key.key[3], - keyconf->key, keyconf->keylen); - - if ((il->stations[sta_id].sta.key.key_flags & STA_KEY_FLG_ENCRYPT_MSK) - == STA_KEY_FLG_NO_ENC) - il->stations[sta_id].sta.key.key_offset = - il_get_free_ucode_key_idx(il); - /* else, we are overriding an existing key => no need to allocated room - * in uCode. */ - - WARN(il->stations[sta_id].sta.key.key_offset == WEP_INVALID_OFFSET, - "no space for a new key"); - - il->stations[sta_id].sta.key.key_flags = key_flags; - il->stations[sta_id].sta.sta.modify_mask = STA_MODIFY_KEY_MASK; - il->stations[sta_id].sta.mode = STA_CONTROL_MODIFY_MSK; - - memcpy(&sta_cmd, &il->stations[sta_id].sta, - sizeof(struct il_addsta_cmd)); - spin_unlock_irqrestore(&il->sta_lock, flags); - - return il_send_add_sta(il, &sta_cmd, CMD_SYNC); -} - -static int il4965_set_ccmp_dynamic_key_info(struct il_priv *il, - struct il_rxon_context *ctx, - struct ieee80211_key_conf *keyconf, - u8 sta_id) -{ - unsigned long flags; - __le16 key_flags = 0; - struct il_addsta_cmd sta_cmd; - - lockdep_assert_held(&il->mutex); - - key_flags |= (STA_KEY_FLG_CCMP | STA_KEY_FLG_MAP_KEY_MSK); - key_flags |= cpu_to_le16(keyconf->keyidx << STA_KEY_FLG_KEYID_POS); - key_flags &= ~STA_KEY_FLG_INVALID; - - if (sta_id == ctx->bcast_sta_id) - key_flags |= STA_KEY_MULTICAST_MSK; - - keyconf->flags |= IEEE80211_KEY_FLAG_GENERATE_IV; - - spin_lock_irqsave(&il->sta_lock, flags); - il->stations[sta_id].keyinfo.cipher = keyconf->cipher; - il->stations[sta_id].keyinfo.keylen = keyconf->keylen; - - memcpy(il->stations[sta_id].keyinfo.key, keyconf->key, - keyconf->keylen); - - memcpy(il->stations[sta_id].sta.key.key, keyconf->key, - keyconf->keylen); - - if ((il->stations[sta_id].sta.key.key_flags & STA_KEY_FLG_ENCRYPT_MSK) - == STA_KEY_FLG_NO_ENC) - il->stations[sta_id].sta.key.key_offset = - il_get_free_ucode_key_idx(il); - /* else, we are overriding an existing key => no need to allocated room - * in uCode. */ - - WARN(il->stations[sta_id].sta.key.key_offset == WEP_INVALID_OFFSET, - "no space for a new key"); - - il->stations[sta_id].sta.key.key_flags = key_flags; - il->stations[sta_id].sta.sta.modify_mask = STA_MODIFY_KEY_MASK; - il->stations[sta_id].sta.mode = STA_CONTROL_MODIFY_MSK; - - memcpy(&sta_cmd, &il->stations[sta_id].sta, - sizeof(struct il_addsta_cmd)); - spin_unlock_irqrestore(&il->sta_lock, flags); - - return il_send_add_sta(il, &sta_cmd, CMD_SYNC); -} - -static int il4965_set_tkip_dynamic_key_info(struct il_priv *il, - struct il_rxon_context *ctx, - struct ieee80211_key_conf *keyconf, - u8 sta_id) -{ - unsigned long flags; - int ret = 0; - __le16 key_flags = 0; - - key_flags |= (STA_KEY_FLG_TKIP | STA_KEY_FLG_MAP_KEY_MSK); - key_flags |= cpu_to_le16(keyconf->keyidx << STA_KEY_FLG_KEYID_POS); - key_flags &= ~STA_KEY_FLG_INVALID; - - if (sta_id == ctx->bcast_sta_id) - key_flags |= STA_KEY_MULTICAST_MSK; - - keyconf->flags |= IEEE80211_KEY_FLAG_GENERATE_IV; - keyconf->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC; - - spin_lock_irqsave(&il->sta_lock, flags); - - il->stations[sta_id].keyinfo.cipher = keyconf->cipher; - il->stations[sta_id].keyinfo.keylen = 16; - - if ((il->stations[sta_id].sta.key.key_flags & STA_KEY_FLG_ENCRYPT_MSK) - == STA_KEY_FLG_NO_ENC) - il->stations[sta_id].sta.key.key_offset = - il_get_free_ucode_key_idx(il); - /* else, we are overriding an existing key => no need to allocated room - * in uCode. */ - - WARN(il->stations[sta_id].sta.key.key_offset == WEP_INVALID_OFFSET, - "no space for a new key"); - - il->stations[sta_id].sta.key.key_flags = key_flags; - - - /* This copy is acutally not needed: we get the key with each TX */ - memcpy(il->stations[sta_id].keyinfo.key, keyconf->key, 16); - - memcpy(il->stations[sta_id].sta.key.key, keyconf->key, 16); - - spin_unlock_irqrestore(&il->sta_lock, flags); - - return ret; -} - -void il4965_update_tkip_key(struct il_priv *il, - struct il_rxon_context *ctx, - struct ieee80211_key_conf *keyconf, - struct ieee80211_sta *sta, u32 iv32, u16 *phase1key) -{ - u8 sta_id; - unsigned long flags; - int i; - - if (il_scan_cancel(il)) { - /* cancel scan failed, just live w/ bad key and rely - briefly on SW decryption */ - return; - } - - sta_id = il_sta_id_or_broadcast(il, ctx, sta); - if (sta_id == IL_INVALID_STATION) - return; - - spin_lock_irqsave(&il->sta_lock, flags); - - il->stations[sta_id].sta.key.tkip_rx_tsc_byte2 = (u8) iv32; - - for (i = 0; i < 5; i++) - il->stations[sta_id].sta.key.tkip_rx_ttak[i] = - cpu_to_le16(phase1key[i]); - - il->stations[sta_id].sta.sta.modify_mask = STA_MODIFY_KEY_MASK; - il->stations[sta_id].sta.mode = STA_CONTROL_MODIFY_MSK; - - il_send_add_sta(il, &il->stations[sta_id].sta, CMD_ASYNC); - - spin_unlock_irqrestore(&il->sta_lock, flags); - -} - -int il4965_remove_dynamic_key(struct il_priv *il, - struct il_rxon_context *ctx, - struct ieee80211_key_conf *keyconf, - u8 sta_id) -{ - unsigned long flags; - u16 key_flags; - u8 keyidx; - struct il_addsta_cmd sta_cmd; - - lockdep_assert_held(&il->mutex); - - ctx->key_mapping_keys--; - - spin_lock_irqsave(&il->sta_lock, flags); - key_flags = le16_to_cpu(il->stations[sta_id].sta.key.key_flags); - keyidx = (key_flags >> STA_KEY_FLG_KEYID_POS) & 0x3; - - D_WEP("Remove dynamic key: idx=%d sta=%d\n", - keyconf->keyidx, sta_id); - - if (keyconf->keyidx != keyidx) { - /* We need to remove a key with idx different that the one - * in the uCode. This means that the key we need to remove has - * been replaced by another one with different idx. - * Don't do anything and return ok - */ - spin_unlock_irqrestore(&il->sta_lock, flags); - return 0; - } - - if (il->stations[sta_id].sta.key.key_offset == WEP_INVALID_OFFSET) { - IL_WARN("Removing wrong key %d 0x%x\n", - keyconf->keyidx, key_flags); - spin_unlock_irqrestore(&il->sta_lock, flags); - return 0; - } - - if (!test_and_clear_bit(il->stations[sta_id].sta.key.key_offset, - &il->ucode_key_table)) - IL_ERR("idx %d not used in uCode key table.\n", - il->stations[sta_id].sta.key.key_offset); - memset(&il->stations[sta_id].keyinfo, 0, - sizeof(struct il_hw_key)); - memset(&il->stations[sta_id].sta.key, 0, - sizeof(struct il4965_keyinfo)); - il->stations[sta_id].sta.key.key_flags = - STA_KEY_FLG_NO_ENC | STA_KEY_FLG_INVALID; - il->stations[sta_id].sta.key.key_offset = WEP_INVALID_OFFSET; - il->stations[sta_id].sta.sta.modify_mask = STA_MODIFY_KEY_MASK; - il->stations[sta_id].sta.mode = STA_CONTROL_MODIFY_MSK; - - if (il_is_rfkill(il)) { - D_WEP( - "Not sending REPLY_ADD_STA command because RFKILL enabled.\n"); - spin_unlock_irqrestore(&il->sta_lock, flags); - return 0; - } - memcpy(&sta_cmd, &il->stations[sta_id].sta, - sizeof(struct il_addsta_cmd)); - spin_unlock_irqrestore(&il->sta_lock, flags); - - return il_send_add_sta(il, &sta_cmd, CMD_SYNC); -} - -int il4965_set_dynamic_key(struct il_priv *il, struct il_rxon_context *ctx, - struct ieee80211_key_conf *keyconf, u8 sta_id) -{ - int ret; - - lockdep_assert_held(&il->mutex); - - ctx->key_mapping_keys++; - keyconf->hw_key_idx = HW_KEY_DYNAMIC; - - switch (keyconf->cipher) { - case WLAN_CIPHER_SUITE_CCMP: - ret = il4965_set_ccmp_dynamic_key_info(il, ctx, - keyconf, sta_id); - break; - case WLAN_CIPHER_SUITE_TKIP: - ret = il4965_set_tkip_dynamic_key_info(il, ctx, - keyconf, sta_id); - break; - case WLAN_CIPHER_SUITE_WEP40: - case WLAN_CIPHER_SUITE_WEP104: - ret = il4965_set_wep_dynamic_key_info(il, ctx, - keyconf, sta_id); - break; - default: - IL_ERR( - "Unknown alg: %s cipher = %x\n", __func__, - keyconf->cipher); - ret = -EINVAL; - } - - D_WEP( - "Set dynamic key: cipher=%x len=%d idx=%d sta=%d ret=%d\n", - keyconf->cipher, keyconf->keylen, keyconf->keyidx, - sta_id, ret); - - return ret; -} - -/** - * il4965_alloc_bcast_station - add broadcast station into driver's station table. - * - * This adds the broadcast station into the driver's station table - * and marks it driver active, so that it will be restored to the - * device at the next best time. - */ -int il4965_alloc_bcast_station(struct il_priv *il, - struct il_rxon_context *ctx) -{ - struct il_link_quality_cmd *link_cmd; - unsigned long flags; - u8 sta_id; - - spin_lock_irqsave(&il->sta_lock, flags); - sta_id = il_prep_station(il, ctx, il_bcast_addr, - false, NULL); - if (sta_id == IL_INVALID_STATION) { - IL_ERR("Unable to prepare broadcast station\n"); - spin_unlock_irqrestore(&il->sta_lock, flags); - - return -EINVAL; - } - - il->stations[sta_id].used |= IL_STA_DRIVER_ACTIVE; - il->stations[sta_id].used |= IL_STA_BCAST; - spin_unlock_irqrestore(&il->sta_lock, flags); - - link_cmd = il4965_sta_alloc_lq(il, sta_id); - if (!link_cmd) { - IL_ERR( - "Unable to initialize rate scaling for bcast station.\n"); - return -ENOMEM; - } - - spin_lock_irqsave(&il->sta_lock, flags); - il->stations[sta_id].lq = link_cmd; - spin_unlock_irqrestore(&il->sta_lock, flags); - - return 0; -} - -/** - * il4965_update_bcast_station - update broadcast station's LQ command - * - * Only used by iwl4965. Placed here to have all bcast station management - * code together. - */ -static int il4965_update_bcast_station(struct il_priv *il, - struct il_rxon_context *ctx) -{ - unsigned long flags; - struct il_link_quality_cmd *link_cmd; - u8 sta_id = ctx->bcast_sta_id; - - link_cmd = il4965_sta_alloc_lq(il, sta_id); - if (!link_cmd) { - IL_ERR( - "Unable to initialize rate scaling for bcast station.\n"); - return -ENOMEM; - } - - spin_lock_irqsave(&il->sta_lock, flags); - if (il->stations[sta_id].lq) - kfree(il->stations[sta_id].lq); - else - D_INFO( - "Bcast station rate scaling has not been initialized yet.\n"); - il->stations[sta_id].lq = link_cmd; - spin_unlock_irqrestore(&il->sta_lock, flags); - - return 0; -} - -int il4965_update_bcast_stations(struct il_priv *il) -{ - return il4965_update_bcast_station(il, &il->ctx); -} - -/** - * il4965_sta_tx_modify_enable_tid - Enable Tx for this TID in station table - */ -int il4965_sta_tx_modify_enable_tid(struct il_priv *il, int sta_id, int tid) -{ - unsigned long flags; - struct il_addsta_cmd sta_cmd; - - lockdep_assert_held(&il->mutex); - - /* Remove "disable" flag, to enable Tx for this TID */ - spin_lock_irqsave(&il->sta_lock, flags); - il->stations[sta_id].sta.sta.modify_mask = STA_MODIFY_TID_DISABLE_TX; - il->stations[sta_id].sta.tid_disable_tx &= cpu_to_le16(~(1 << tid)); - il->stations[sta_id].sta.mode = STA_CONTROL_MODIFY_MSK; - memcpy(&sta_cmd, &il->stations[sta_id].sta, - sizeof(struct il_addsta_cmd)); - spin_unlock_irqrestore(&il->sta_lock, flags); - - return il_send_add_sta(il, &sta_cmd, CMD_SYNC); -} - -int il4965_sta_rx_agg_start(struct il_priv *il, struct ieee80211_sta *sta, - int tid, u16 ssn) -{ - unsigned long flags; - int sta_id; - struct il_addsta_cmd sta_cmd; - - lockdep_assert_held(&il->mutex); - - sta_id = il_sta_id(sta); - if (sta_id == IL_INVALID_STATION) - return -ENXIO; - - spin_lock_irqsave(&il->sta_lock, flags); - il->stations[sta_id].sta.station_flags_msk = 0; - il->stations[sta_id].sta.sta.modify_mask = STA_MODIFY_ADDBA_TID_MSK; - il->stations[sta_id].sta.add_immediate_ba_tid = (u8)tid; - il->stations[sta_id].sta.add_immediate_ba_ssn = cpu_to_le16(ssn); - il->stations[sta_id].sta.mode = STA_CONTROL_MODIFY_MSK; - memcpy(&sta_cmd, &il->stations[sta_id].sta, - sizeof(struct il_addsta_cmd)); - spin_unlock_irqrestore(&il->sta_lock, flags); - - return il_send_add_sta(il, &sta_cmd, CMD_SYNC); -} - -int il4965_sta_rx_agg_stop(struct il_priv *il, struct ieee80211_sta *sta, - int tid) -{ - unsigned long flags; - int sta_id; - struct il_addsta_cmd sta_cmd; - - lockdep_assert_held(&il->mutex); - - sta_id = il_sta_id(sta); - if (sta_id == IL_INVALID_STATION) { - IL_ERR("Invalid station for AGG tid %d\n", tid); - return -ENXIO; - } - - spin_lock_irqsave(&il->sta_lock, flags); - il->stations[sta_id].sta.station_flags_msk = 0; - il->stations[sta_id].sta.sta.modify_mask = STA_MODIFY_DELBA_TID_MSK; - il->stations[sta_id].sta.remove_immediate_ba_tid = (u8)tid; - il->stations[sta_id].sta.mode = STA_CONTROL_MODIFY_MSK; - memcpy(&sta_cmd, &il->stations[sta_id].sta, - sizeof(struct il_addsta_cmd)); - spin_unlock_irqrestore(&il->sta_lock, flags); - - return il_send_add_sta(il, &sta_cmd, CMD_SYNC); -} - -void -il4965_sta_modify_sleep_tx_count(struct il_priv *il, int sta_id, int cnt) -{ - unsigned long flags; - - spin_lock_irqsave(&il->sta_lock, flags); - il->stations[sta_id].sta.station_flags |= STA_FLG_PWR_SAVE_MSK; - il->stations[sta_id].sta.station_flags_msk = STA_FLG_PWR_SAVE_MSK; - il->stations[sta_id].sta.sta.modify_mask = - STA_MODIFY_SLEEP_TX_COUNT_MSK; - il->stations[sta_id].sta.sleep_tx_count = cpu_to_le16(cnt); - il->stations[sta_id].sta.mode = STA_CONTROL_MODIFY_MSK; - il_send_add_sta(il, - &il->stations[sta_id].sta, CMD_ASYNC); - spin_unlock_irqrestore(&il->sta_lock, flags); - -} |