diff options
Diffstat (limited to 'drivers/net/wireless/mwifiex/11n_rxreorder.c')
| -rw-r--r-- | drivers/net/wireless/mwifiex/11n_rxreorder.c | 667 |
1 files changed, 667 insertions, 0 deletions
diff --git a/drivers/net/wireless/mwifiex/11n_rxreorder.c b/drivers/net/wireless/mwifiex/11n_rxreorder.c new file mode 100644 index 0000000..ada809f --- /dev/null +++ b/drivers/net/wireless/mwifiex/11n_rxreorder.c @@ -0,0 +1,667 @@ +/* + * Marvell Wireless LAN device driver: 802.11n RX Re-ordering + * + * Copyright (C) 2011, Marvell International Ltd. + * + * This software file (the "File") is distributed by Marvell International + * Ltd. under the terms of the GNU General Public License Version 2, June 1991 + * (the "License"). You may use, redistribute and/or modify this File in + * accordance with the terms and conditions of the License, a copy of which + * is available by writing to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or on the + * worldwide web at http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt. + * + * THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE + * IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE + * ARE EXPRESSLY DISCLAIMED. The License provides additional details about + * this warranty disclaimer. + */ + +#include "decl.h" +#include "ioctl.h" +#include "util.h" +#include "fw.h" +#include "main.h" +#include "wmm.h" +#include "11n.h" +#include "11n_rxreorder.h" + +/* + * This function dispatches all packets in the Rx reorder table until the + * start window. + * + * There could be holes in the buffer, which are skipped by the function. + * Since the buffer is linear, the function uses rotation to simulate + * circular buffer. + */ +static void +mwifiex_11n_dispatch_pkt(struct mwifiex_private *priv, + struct mwifiex_rx_reorder_tbl *tbl, int start_win) +{ + int pkt_to_send, i; + void *rx_tmp_ptr; + unsigned long flags; + + pkt_to_send = (start_win > tbl->start_win) ? + min((start_win - tbl->start_win), tbl->win_size) : + tbl->win_size; + + for (i = 0; i < pkt_to_send; ++i) { + spin_lock_irqsave(&priv->rx_pkt_lock, flags); + rx_tmp_ptr = NULL; + if (tbl->rx_reorder_ptr[i]) { + rx_tmp_ptr = tbl->rx_reorder_ptr[i]; + tbl->rx_reorder_ptr[i] = NULL; + } + spin_unlock_irqrestore(&priv->rx_pkt_lock, flags); + if (rx_tmp_ptr) { + if (priv->bss_role == MWIFIEX_BSS_ROLE_UAP) + mwifiex_handle_uap_rx_forward(priv, rx_tmp_ptr); + else + mwifiex_process_rx_packet(priv, rx_tmp_ptr); + } + } + + spin_lock_irqsave(&priv->rx_pkt_lock, flags); + /* + * We don't have a circular buffer, hence use rotation to simulate + * circular buffer + */ + for (i = 0; i < tbl->win_size - pkt_to_send; ++i) { + tbl->rx_reorder_ptr[i] = tbl->rx_reorder_ptr[pkt_to_send + i]; + tbl->rx_reorder_ptr[pkt_to_send + i] = NULL; + } + + tbl->start_win = start_win; + spin_unlock_irqrestore(&priv->rx_pkt_lock, flags); +} + +/* + * This function dispatches all packets in the Rx reorder table until + * a hole is found. + * + * The start window is adjusted automatically when a hole is located. + * Since the buffer is linear, the function uses rotation to simulate + * circular buffer. + */ +static void +mwifiex_11n_scan_and_dispatch(struct mwifiex_private *priv, + struct mwifiex_rx_reorder_tbl *tbl) +{ + int i, j, xchg; + void *rx_tmp_ptr; + unsigned long flags; + + for (i = 0; i < tbl->win_size; ++i) { + spin_lock_irqsave(&priv->rx_pkt_lock, flags); + if (!tbl->rx_reorder_ptr[i]) { + spin_unlock_irqrestore(&priv->rx_pkt_lock, flags); + break; + } + rx_tmp_ptr = tbl->rx_reorder_ptr[i]; + tbl->rx_reorder_ptr[i] = NULL; + spin_unlock_irqrestore(&priv->rx_pkt_lock, flags); + + if (priv->bss_role == MWIFIEX_BSS_ROLE_UAP) + mwifiex_handle_uap_rx_forward(priv, rx_tmp_ptr); + else + mwifiex_process_rx_packet(priv, rx_tmp_ptr); + } + + spin_lock_irqsave(&priv->rx_pkt_lock, flags); + /* + * We don't have a circular buffer, hence use rotation to simulate + * circular buffer + */ + if (i > 0) { + xchg = tbl->win_size - i; + for (j = 0; j < xchg; ++j) { + tbl->rx_reorder_ptr[j] = tbl->rx_reorder_ptr[i + j]; + tbl->rx_reorder_ptr[i + j] = NULL; + } + } + tbl->start_win = (tbl->start_win + i) & (MAX_TID_VALUE - 1); + spin_unlock_irqrestore(&priv->rx_pkt_lock, flags); +} + +/* + * This function deletes the Rx reorder table and frees the memory. + * + * The function stops the associated timer and dispatches all the + * pending packets in the Rx reorder table before deletion. + */ +static void +mwifiex_del_rx_reorder_entry(struct mwifiex_private *priv, + struct mwifiex_rx_reorder_tbl *tbl) +{ + unsigned long flags; + + if (!tbl) + return; + + mwifiex_11n_dispatch_pkt(priv, tbl, (tbl->start_win + tbl->win_size) & + (MAX_TID_VALUE - 1)); + + del_timer(&tbl->timer_context.timer); + + spin_lock_irqsave(&priv->rx_reorder_tbl_lock, flags); + list_del(&tbl->list); + spin_unlock_irqrestore(&priv->rx_reorder_tbl_lock, flags); + + kfree(tbl->rx_reorder_ptr); + kfree(tbl); +} + +/* + * This function returns the pointer to an entry in Rx reordering + * table which matches the given TA/TID pair. + */ +struct mwifiex_rx_reorder_tbl * +mwifiex_11n_get_rx_reorder_tbl(struct mwifiex_private *priv, int tid, u8 *ta) +{ + struct mwifiex_rx_reorder_tbl *tbl; + unsigned long flags; + + spin_lock_irqsave(&priv->rx_reorder_tbl_lock, flags); + list_for_each_entry(tbl, &priv->rx_reorder_tbl_ptr, list) { + if (!memcmp(tbl->ta, ta, ETH_ALEN) && tbl->tid == tid) { + spin_unlock_irqrestore(&priv->rx_reorder_tbl_lock, + flags); + return tbl; + } + } + spin_unlock_irqrestore(&priv->rx_reorder_tbl_lock, flags); + + return NULL; +} + +/* This function retrieves the pointer to an entry in Rx reordering + * table which matches the given TA and deletes it. + */ +void mwifiex_11n_del_rx_reorder_tbl_by_ta(struct mwifiex_private *priv, u8 *ta) +{ + struct mwifiex_rx_reorder_tbl *tbl, *tmp; + unsigned long flags; + + if (!ta) + return; + + spin_lock_irqsave(&priv->rx_reorder_tbl_lock, flags); + list_for_each_entry_safe(tbl, tmp, &priv->rx_reorder_tbl_ptr, list) { + if (!memcmp(tbl->ta, ta, ETH_ALEN)) { + spin_unlock_irqrestore(&priv->rx_reorder_tbl_lock, + flags); + mwifiex_del_rx_reorder_entry(priv, tbl); + spin_lock_irqsave(&priv->rx_reorder_tbl_lock, flags); + } + } + spin_unlock_irqrestore(&priv->rx_reorder_tbl_lock, flags); + + return; +} + +/* + * This function finds the last sequence number used in the packets + * buffered in Rx reordering table. + */ +static int +mwifiex_11n_find_last_seq_num(struct mwifiex_rx_reorder_tbl *rx_reorder_tbl_ptr) +{ + int i; + + for (i = (rx_reorder_tbl_ptr->win_size - 1); i >= 0; --i) + if (rx_reorder_tbl_ptr->rx_reorder_ptr[i]) + return i; + + return -1; +} + +/* + * This function flushes all the packets in Rx reordering table. + * + * The function checks if any packets are currently buffered in the + * table or not. In case there are packets available, it dispatches + * them and then dumps the Rx reordering table. + */ +static void +mwifiex_flush_data(unsigned long context) +{ + struct reorder_tmr_cnxt *ctx = + (struct reorder_tmr_cnxt *) context; + int start_win; + + start_win = mwifiex_11n_find_last_seq_num(ctx->ptr); + + if (start_win < 0) + return; + + dev_dbg(ctx->priv->adapter->dev, "info: flush data %d\n", start_win); + mwifiex_11n_dispatch_pkt(ctx->priv, ctx->ptr, + (ctx->ptr->start_win + start_win + 1) & + (MAX_TID_VALUE - 1)); +} + +/* + * This function creates an entry in Rx reordering table for the + * given TA/TID. + * + * The function also initializes the entry with sequence number, window + * size as well as initializes the timer. + * + * If the received TA/TID pair is already present, all the packets are + * dispatched and the window size is moved until the SSN. + */ +static void +mwifiex_11n_create_rx_reorder_tbl(struct mwifiex_private *priv, u8 *ta, + int tid, int win_size, int seq_num) +{ + int i; + struct mwifiex_rx_reorder_tbl *tbl, *new_node; + u16 last_seq = 0; + unsigned long flags; + struct mwifiex_sta_node *node; + + /* + * If we get a TID, ta pair which is already present dispatch all the + * the packets and move the window size until the ssn + */ + tbl = mwifiex_11n_get_rx_reorder_tbl(priv, tid, ta); + if (tbl) { + mwifiex_11n_dispatch_pkt(priv, tbl, seq_num); + return; + } + /* if !tbl then create one */ + new_node = kzalloc(sizeof(struct mwifiex_rx_reorder_tbl), GFP_KERNEL); + if (!new_node) + return; + + INIT_LIST_HEAD(&new_node->list); + new_node->tid = tid; + memcpy(new_node->ta, ta, ETH_ALEN); + new_node->start_win = seq_num; + + if (mwifiex_queuing_ra_based(priv)) { + dev_dbg(priv->adapter->dev, + "info: AP/ADHOC:last_seq=%d start_win=%d\n", + last_seq, new_node->start_win); + if (priv->bss_role == MWIFIEX_BSS_ROLE_UAP) { + node = mwifiex_get_sta_entry(priv, ta); + if (node) + last_seq = node->rx_seq[tid]; + } + } else { + last_seq = priv->rx_seq[tid]; + } + + if (last_seq != MWIFIEX_DEF_11N_RX_SEQ_NUM && + last_seq >= new_node->start_win) + new_node->start_win = last_seq + 1; + + new_node->win_size = win_size; + new_node->flags = 0; + + new_node->rx_reorder_ptr = kzalloc(sizeof(void *) * win_size, + GFP_KERNEL); + if (!new_node->rx_reorder_ptr) { + kfree((u8 *) new_node); + dev_err(priv->adapter->dev, + "%s: failed to alloc reorder_ptr\n", __func__); + return; + } + + new_node->timer_context.ptr = new_node; + new_node->timer_context.priv = priv; + + init_timer(&new_node->timer_context.timer); + new_node->timer_context.timer.function = mwifiex_flush_data; + new_node->timer_context.timer.data = + (unsigned long) &new_node->timer_context; + + for (i = 0; i < win_size; ++i) + new_node->rx_reorder_ptr[i] = NULL; + + spin_lock_irqsave(&priv->rx_reorder_tbl_lock, flags); + list_add_tail(&new_node->list, &priv->rx_reorder_tbl_ptr); + spin_unlock_irqrestore(&priv->rx_reorder_tbl_lock, flags); +} + +/* + * This function prepares command for adding a BA request. + * + * Preparation includes - + * - Setting command ID and proper size + * - Setting add BA request buffer + * - Ensuring correct endian-ness + */ +int mwifiex_cmd_11n_addba_req(struct host_cmd_ds_command *cmd, void *data_buf) +{ + struct host_cmd_ds_11n_addba_req *add_ba_req = &cmd->params.add_ba_req; + + cmd->command = cpu_to_le16(HostCmd_CMD_11N_ADDBA_REQ); + cmd->size = cpu_to_le16(sizeof(*add_ba_req) + S_DS_GEN); + memcpy(add_ba_req, data_buf, sizeof(*add_ba_req)); + + return 0; +} + +/* + * This function prepares command for adding a BA response. + * + * Preparation includes - + * - Setting command ID and proper size + * - Setting add BA response buffer + * - Ensuring correct endian-ness + */ +int mwifiex_cmd_11n_addba_rsp_gen(struct mwifiex_private *priv, + struct host_cmd_ds_command *cmd, + struct host_cmd_ds_11n_addba_req + *cmd_addba_req) +{ + struct host_cmd_ds_11n_addba_rsp *add_ba_rsp = &cmd->params.add_ba_rsp; + u8 tid; + int win_size; + uint16_t block_ack_param_set; + + cmd->command = cpu_to_le16(HostCmd_CMD_11N_ADDBA_RSP); + cmd->size = cpu_to_le16(sizeof(*add_ba_rsp) + S_DS_GEN); + + memcpy(add_ba_rsp->peer_mac_addr, cmd_addba_req->peer_mac_addr, + ETH_ALEN); + add_ba_rsp->dialog_token = cmd_addba_req->dialog_token; + add_ba_rsp->block_ack_tmo = cmd_addba_req->block_ack_tmo; + add_ba_rsp->ssn = cmd_addba_req->ssn; + + block_ack_param_set = le16_to_cpu(cmd_addba_req->block_ack_param_set); + tid = (block_ack_param_set & IEEE80211_ADDBA_PARAM_TID_MASK) + >> BLOCKACKPARAM_TID_POS; + add_ba_rsp->status_code = cpu_to_le16(ADDBA_RSP_STATUS_ACCEPT); + block_ack_param_set &= ~IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK; + /* We donot support AMSDU inside AMPDU, hence reset the bit */ + block_ack_param_set &= ~BLOCKACKPARAM_AMSDU_SUPP_MASK; + block_ack_param_set |= (priv->add_ba_param.rx_win_size << + BLOCKACKPARAM_WINSIZE_POS); + add_ba_rsp->block_ack_param_set = cpu_to_le16(block_ack_param_set); + win_size = (le16_to_cpu(add_ba_rsp->block_ack_param_set) + & IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK) + >> BLOCKACKPARAM_WINSIZE_POS; + cmd_addba_req->block_ack_param_set = cpu_to_le16(block_ack_param_set); + + mwifiex_11n_create_rx_reorder_tbl(priv, cmd_addba_req->peer_mac_addr, + tid, win_size, + le16_to_cpu(cmd_addba_req->ssn)); + return 0; +} + +/* + * This function prepares command for deleting a BA request. + * + * Preparation includes - + * - Setting command ID and proper size + * - Setting del BA request buffer + * - Ensuring correct endian-ness + */ +int mwifiex_cmd_11n_delba(struct host_cmd_ds_command *cmd, void *data_buf) +{ + struct host_cmd_ds_11n_delba *del_ba = &cmd->params.del_ba; + + cmd->command = cpu_to_le16(HostCmd_CMD_11N_DELBA); + cmd->size = cpu_to_le16(sizeof(*del_ba) + S_DS_GEN); + memcpy(del_ba, data_buf, sizeof(*del_ba)); + + return 0; +} + +/* + * This function identifies if Rx reordering is needed for a received packet. + * + * In case reordering is required, the function will do the reordering + * before sending it to kernel. + * + * The Rx reorder table is checked first with the received TID/TA pair. If + * not found, the received packet is dispatched immediately. But if found, + * the packet is reordered and all the packets in the updated Rx reordering + * table is dispatched until a hole is found. + * + * For sequence number less than the starting window, the packet is dropped. + */ +int mwifiex_11n_rx_reorder_pkt(struct mwifiex_private *priv, + u16 seq_num, u16 tid, + u8 *ta, u8 pkt_type, void *payload) +{ + struct mwifiex_rx_reorder_tbl *tbl; + int start_win, end_win, win_size; + u16 pkt_index; + + tbl = mwifiex_11n_get_rx_reorder_tbl(priv, tid, ta); + if (!tbl) { + if (pkt_type != PKT_TYPE_BAR) { + if (priv->bss_role == MWIFIEX_BSS_ROLE_UAP) + mwifiex_handle_uap_rx_forward(priv, payload); + else + mwifiex_process_rx_packet(priv, payload); + } + return 0; + } + start_win = tbl->start_win; + win_size = tbl->win_size; + end_win = ((start_win + win_size) - 1) & (MAX_TID_VALUE - 1); + del_timer(&tbl->timer_context.timer); + mod_timer(&tbl->timer_context.timer, + jiffies + msecs_to_jiffies(MIN_FLUSH_TIMER_MS * win_size)); + + /* + * If seq_num is less then starting win then ignore and drop the + * packet + */ + if (tbl->flags & RXREOR_FORCE_NO_DROP) { + dev_dbg(priv->adapter->dev, + "RXREOR_FORCE_NO_DROP when HS is activated\n"); + tbl->flags &= ~RXREOR_FORCE_NO_DROP; + } else { + if ((start_win + TWOPOW11) > (MAX_TID_VALUE - 1)) { + if (seq_num >= ((start_win + TWOPOW11) & + (MAX_TID_VALUE - 1)) && + seq_num < start_win) + return -1; + } else if ((seq_num < start_win) || + (seq_num > (start_win + TWOPOW11))) { + return -1; + } + } + + /* + * If this packet is a BAR we adjust seq_num as + * WinStart = seq_num + */ + if (pkt_type == PKT_TYPE_BAR) + seq_num = ((seq_num + win_size) - 1) & (MAX_TID_VALUE - 1); + + if (((end_win < start_win) && + (seq_num < start_win) && (seq_num > end_win)) || + ((end_win > start_win) && ((seq_num > end_win) || + (seq_num < start_win)))) { + end_win = seq_num; + if (((seq_num - win_size) + 1) >= 0) + start_win = (end_win - win_size) + 1; + else + start_win = (MAX_TID_VALUE - (win_size - seq_num)) + 1; + mwifiex_11n_dispatch_pkt(priv, tbl, start_win); + } + + if (pkt_type != PKT_TYPE_BAR) { + if (seq_num >= start_win) + pkt_index = seq_num - start_win; + else + pkt_index = (seq_num+MAX_TID_VALUE) - start_win; + + if (tbl->rx_reorder_ptr[pkt_index]) + return -1; + + tbl->rx_reorder_ptr[pkt_index] = payload; + } + + /* + * Dispatch all packets sequentially from start_win until a + * hole is found and adjust the start_win appropriately + */ + mwifiex_11n_scan_and_dispatch(priv, tbl); + + return 0; +} + +/* + * This function deletes an entry for a given TID/TA pair. + * + * The TID/TA are taken from del BA event body. + */ +void +mwifiex_del_ba_tbl(struct mwifiex_private *priv, int tid, u8 *peer_mac, + u8 type, int initiator) +{ + struct mwifiex_rx_reorder_tbl *tbl; + struct mwifiex_tx_ba_stream_tbl *ptx_tbl; + u8 cleanup_rx_reorder_tbl; + unsigned long flags; + + if (type == TYPE_DELBA_RECEIVE) + cleanup_rx_reorder_tbl = (initiator) ? true : false; + else + cleanup_rx_reorder_tbl = (initiator) ? false : true; + + dev_dbg(priv->adapter->dev, "event: DELBA: %pM tid=%d initiator=%d\n", + peer_mac, tid, initiator); + + if (cleanup_rx_reorder_tbl) { + tbl = mwifiex_11n_get_rx_reorder_tbl(priv, tid, + peer_mac); + if (!tbl) { + dev_dbg(priv->adapter->dev, + "event: TID, TA not found in table\n"); + return; + } + mwifiex_del_rx_reorder_entry(priv, tbl); + } else { + ptx_tbl = mwifiex_get_ba_tbl(priv, tid, peer_mac); + if (!ptx_tbl) { + dev_dbg(priv->adapter->dev, + "event: TID, RA not found in table\n"); + return; + } + + spin_lock_irqsave(&priv->tx_ba_stream_tbl_lock, flags); + mwifiex_11n_delete_tx_ba_stream_tbl_entry(priv, ptx_tbl); + spin_unlock_irqrestore(&priv->tx_ba_stream_tbl_lock, flags); + } +} + +/* + * This function handles the command response of an add BA response. + * + * Handling includes changing the header fields into CPU format and + * creating the stream, provided the add BA is accepted. + */ +int mwifiex_ret_11n_addba_resp(struct mwifiex_private *priv, + struct host_cmd_ds_command *resp) +{ + struct host_cmd_ds_11n_addba_rsp *add_ba_rsp = &resp->params.add_ba_rsp; + int tid, win_size; + struct mwifiex_rx_reorder_tbl *tbl; + uint16_t block_ack_param_set; + + block_ack_param_set = le16_to_cpu(add_ba_rsp->block_ack_param_set); + + tid = (block_ack_param_set & IEEE80211_ADDBA_PARAM_TID_MASK) + >> BLOCKACKPARAM_TID_POS; + /* + * Check if we had rejected the ADDBA, if yes then do not create + * the stream + */ + if (le16_to_cpu(add_ba_rsp->status_code) == BA_RESULT_SUCCESS) { + win_size = (block_ack_param_set & + IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK) + >> BLOCKACKPARAM_WINSIZE_POS; + + dev_dbg(priv->adapter->dev, + "cmd: ADDBA RSP: %pM tid=%d ssn=%d win_size=%d\n", + add_ba_rsp->peer_mac_addr, tid, + add_ba_rsp->ssn, win_size); + } else { + dev_err(priv->adapter->dev, "ADDBA RSP: failed %pM tid=%d)\n", + add_ba_rsp->peer_mac_addr, tid); + + tbl = mwifiex_11n_get_rx_reorder_tbl(priv, tid, + add_ba_rsp->peer_mac_addr); + if (tbl) + mwifiex_del_rx_reorder_entry(priv, tbl); + } + + return 0; +} + +/* + * This function handles BA stream timeout event by preparing and sending + * a command to the firmware. + */ +void mwifiex_11n_ba_stream_timeout(struct mwifiex_private *priv, + struct host_cmd_ds_11n_batimeout *event) +{ + struct host_cmd_ds_11n_delba delba; + + memset(&delba, 0, sizeof(struct host_cmd_ds_11n_delba)); + memcpy(delba.peer_mac_addr, event->peer_mac_addr, ETH_ALEN); + + delba.del_ba_param_set |= + cpu_to_le16((u16) event->tid << DELBA_TID_POS); + delba.del_ba_param_set |= cpu_to_le16( + (u16) event->origninator << DELBA_INITIATOR_POS); + delba.reason_code = cpu_to_le16(WLAN_REASON_QSTA_TIMEOUT); + mwifiex_send_cmd_async(priv, HostCmd_CMD_11N_DELBA, 0, 0, &delba); +} + +/* + * This function cleans up the Rx reorder table by deleting all the entries + * and re-initializing. + */ +void mwifiex_11n_cleanup_reorder_tbl(struct mwifiex_private *priv) +{ + struct mwifiex_rx_reorder_tbl *del_tbl_ptr, *tmp_node; + unsigned long flags; + + spin_lock_irqsave(&priv->rx_reorder_tbl_lock, flags); + list_for_each_entry_safe(del_tbl_ptr, tmp_node, + &priv->rx_reorder_tbl_ptr, list) { + spin_unlock_irqrestore(&priv->rx_reorder_tbl_lock, flags); + mwifiex_del_rx_reorder_entry(priv, del_tbl_ptr); + spin_lock_irqsave(&priv->rx_reorder_tbl_lock, flags); + } + spin_unlock_irqrestore(&priv->rx_reorder_tbl_lock, flags); + + INIT_LIST_HEAD(&priv->rx_reorder_tbl_ptr); + mwifiex_reset_11n_rx_seq_num(priv); +} + +/* + * This function updates all rx_reorder_tbl's flags. + */ +void mwifiex_update_rxreor_flags(struct mwifiex_adapter *adapter, u8 flags) +{ + struct mwifiex_private *priv; + struct mwifiex_rx_reorder_tbl *tbl; + unsigned long lock_flags; + int i; + + for (i = 0; i < adapter->priv_num; i++) { + priv = adapter->priv[i]; + if (!priv) + continue; + if (list_empty(&priv->rx_reorder_tbl_ptr)) + continue; + + spin_lock_irqsave(&priv->rx_reorder_tbl_lock, lock_flags); + list_for_each_entry(tbl, &priv->rx_reorder_tbl_ptr, list) + tbl->flags = flags; + spin_unlock_irqrestore(&priv->rx_reorder_tbl_lock, lock_flags); + } + + return; +} |