diff options
Diffstat (limited to 'drivers/net/wireless/marvell/mwifiex/11n_rxreorder.c')
| -rw-r--r-- | drivers/net/wireless/marvell/mwifiex/11n_rxreorder.c | 125 |
1 files changed, 58 insertions, 67 deletions
diff --git a/drivers/net/wireless/marvell/mwifiex/11n_rxreorder.c b/drivers/net/wireless/marvell/mwifiex/11n_rxreorder.c index 5380fba652cc..05a3c61ac603 100644 --- a/drivers/net/wireless/marvell/mwifiex/11n_rxreorder.c +++ b/drivers/net/wireless/marvell/mwifiex/11n_rxreorder.c @@ -76,7 +76,8 @@ static int mwifiex_11n_dispatch_amsdu_pkt(struct mwifiex_private *priv, /* This function will process the rx packet and forward it to kernel/upper * layer. */ -static int mwifiex_11n_dispatch_pkt(struct mwifiex_private *priv, void *payload) +static int mwifiex_11n_dispatch_pkt(struct mwifiex_private *priv, + struct sk_buff *payload) { int ret; @@ -109,27 +110,25 @@ mwifiex_11n_dispatch_pkt_until_start_win(struct mwifiex_private *priv, struct mwifiex_rx_reorder_tbl *tbl, int start_win) { + struct sk_buff_head list; + struct sk_buff *skb; int pkt_to_send, i; - void *rx_tmp_ptr; - unsigned long flags; + + __skb_queue_head_init(&list); + spin_lock_bh(&priv->rx_reorder_tbl_lock); 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_reorder_tbl_lock, flags); - rx_tmp_ptr = NULL; if (tbl->rx_reorder_ptr[i]) { - rx_tmp_ptr = tbl->rx_reorder_ptr[i]; + skb = tbl->rx_reorder_ptr[i]; + __skb_queue_tail(&list, skb); tbl->rx_reorder_ptr[i] = NULL; } - spin_unlock_irqrestore(&priv->rx_reorder_tbl_lock, flags); - if (rx_tmp_ptr) - mwifiex_11n_dispatch_pkt(priv, rx_tmp_ptr); } - spin_lock_irqsave(&priv->rx_reorder_tbl_lock, flags); /* * We don't have a circular buffer, hence use rotation to simulate * circular buffer @@ -140,7 +139,10 @@ mwifiex_11n_dispatch_pkt_until_start_win(struct mwifiex_private *priv, } tbl->start_win = start_win; - spin_unlock_irqrestore(&priv->rx_reorder_tbl_lock, flags); + spin_unlock_bh(&priv->rx_reorder_tbl_lock); + + while ((skb = __skb_dequeue(&list))) + mwifiex_11n_dispatch_pkt(priv, skb); } /* @@ -155,24 +157,21 @@ static void mwifiex_11n_scan_and_dispatch(struct mwifiex_private *priv, struct mwifiex_rx_reorder_tbl *tbl) { + struct sk_buff_head list; + struct sk_buff *skb; int i, j, xchg; - void *rx_tmp_ptr; - unsigned long flags; + + __skb_queue_head_init(&list); + spin_lock_bh(&priv->rx_reorder_tbl_lock); for (i = 0; i < tbl->win_size; ++i) { - spin_lock_irqsave(&priv->rx_reorder_tbl_lock, flags); - if (!tbl->rx_reorder_ptr[i]) { - spin_unlock_irqrestore(&priv->rx_reorder_tbl_lock, - flags); + if (!tbl->rx_reorder_ptr[i]) break; - } - rx_tmp_ptr = tbl->rx_reorder_ptr[i]; + skb = tbl->rx_reorder_ptr[i]; + __skb_queue_tail(&list, skb); tbl->rx_reorder_ptr[i] = NULL; - spin_unlock_irqrestore(&priv->rx_reorder_tbl_lock, flags); - mwifiex_11n_dispatch_pkt(priv, rx_tmp_ptr); } - spin_lock_irqsave(&priv->rx_reorder_tbl_lock, flags); /* * We don't have a circular buffer, hence use rotation to simulate * circular buffer @@ -185,7 +184,11 @@ mwifiex_11n_scan_and_dispatch(struct mwifiex_private *priv, } } tbl->start_win = (tbl->start_win + i) & (MAX_TID_VALUE - 1); - spin_unlock_irqrestore(&priv->rx_reorder_tbl_lock, flags); + + spin_unlock_bh(&priv->rx_reorder_tbl_lock); + + while ((skb = __skb_dequeue(&list))) + mwifiex_11n_dispatch_pkt(priv, skb); } /* @@ -198,19 +201,18 @@ static void mwifiex_del_rx_reorder_entry(struct mwifiex_private *priv, struct mwifiex_rx_reorder_tbl *tbl) { - unsigned long flags; int start_win; if (!tbl) return; - spin_lock_irqsave(&priv->adapter->rx_proc_lock, flags); + spin_lock_bh(&priv->adapter->rx_proc_lock); priv->adapter->rx_locked = true; if (priv->adapter->rx_processing) { - spin_unlock_irqrestore(&priv->adapter->rx_proc_lock, flags); + spin_unlock_bh(&priv->adapter->rx_proc_lock); flush_workqueue(priv->adapter->rx_workqueue); } else { - spin_unlock_irqrestore(&priv->adapter->rx_proc_lock, flags); + spin_unlock_bh(&priv->adapter->rx_proc_lock); } start_win = (tbl->start_win + tbl->win_size) & (MAX_TID_VALUE - 1); @@ -219,16 +221,16 @@ mwifiex_del_rx_reorder_entry(struct mwifiex_private *priv, del_timer_sync(&tbl->timer_context.timer); tbl->timer_context.timer_is_set = false; - spin_lock_irqsave(&priv->rx_reorder_tbl_lock, flags); + spin_lock_bh(&priv->rx_reorder_tbl_lock); list_del(&tbl->list); - spin_unlock_irqrestore(&priv->rx_reorder_tbl_lock, flags); + spin_unlock_bh(&priv->rx_reorder_tbl_lock); kfree(tbl->rx_reorder_ptr); kfree(tbl); - spin_lock_irqsave(&priv->adapter->rx_proc_lock, flags); + spin_lock_bh(&priv->adapter->rx_proc_lock); priv->adapter->rx_locked = false; - spin_unlock_irqrestore(&priv->adapter->rx_proc_lock, flags); + spin_unlock_bh(&priv->adapter->rx_proc_lock); } @@ -240,17 +242,15 @@ 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); + spin_lock_bh(&priv->rx_reorder_tbl_lock); 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); + spin_unlock_bh(&priv->rx_reorder_tbl_lock); return tbl; } } - spin_unlock_irqrestore(&priv->rx_reorder_tbl_lock, flags); + spin_unlock_bh(&priv->rx_reorder_tbl_lock); return NULL; } @@ -261,21 +261,19 @@ mwifiex_11n_get_rx_reorder_tbl(struct mwifiex_private *priv, int tid, u8 *ta) 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); + spin_lock_bh(&priv->rx_reorder_tbl_lock); 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); + spin_unlock_bh(&priv->rx_reorder_tbl_lock); mwifiex_del_rx_reorder_entry(priv, tbl); - spin_lock_irqsave(&priv->rx_reorder_tbl_lock, flags); + spin_lock_bh(&priv->rx_reorder_tbl_lock); } } - spin_unlock_irqrestore(&priv->rx_reorder_tbl_lock, flags); + spin_unlock_bh(&priv->rx_reorder_tbl_lock); return; } @@ -289,18 +287,16 @@ mwifiex_11n_find_last_seq_num(struct reorder_tmr_cnxt *ctx) { struct mwifiex_rx_reorder_tbl *rx_reorder_tbl_ptr = ctx->ptr; struct mwifiex_private *priv = ctx->priv; - unsigned long flags; int i; - spin_lock_irqsave(&priv->rx_reorder_tbl_lock, flags); + spin_lock_bh(&priv->rx_reorder_tbl_lock); for (i = rx_reorder_tbl_ptr->win_size - 1; i >= 0; --i) { if (rx_reorder_tbl_ptr->rx_reorder_ptr[i]) { - spin_unlock_irqrestore(&priv->rx_reorder_tbl_lock, - flags); + spin_unlock_bh(&priv->rx_reorder_tbl_lock); return i; } } - spin_unlock_irqrestore(&priv->rx_reorder_tbl_lock, flags); + spin_unlock_bh(&priv->rx_reorder_tbl_lock); return -1; } @@ -348,7 +344,6 @@ mwifiex_11n_create_rx_reorder_tbl(struct mwifiex_private *priv, u8 *ta, int i; struct mwifiex_rx_reorder_tbl *tbl, *new_node; u16 last_seq = 0; - unsigned long flags; struct mwifiex_sta_node *node; /* @@ -372,7 +367,7 @@ mwifiex_11n_create_rx_reorder_tbl(struct mwifiex_private *priv, u8 *ta, new_node->init_win = seq_num; new_node->flags = 0; - spin_lock_irqsave(&priv->sta_list_spinlock, flags); + spin_lock_bh(&priv->sta_list_spinlock); if (mwifiex_queuing_ra_based(priv)) { if (priv->bss_role == MWIFIEX_BSS_ROLE_UAP) { node = mwifiex_get_sta_entry(priv, ta); @@ -386,7 +381,7 @@ mwifiex_11n_create_rx_reorder_tbl(struct mwifiex_private *priv, u8 *ta, else last_seq = priv->rx_seq[tid]; } - spin_unlock_irqrestore(&priv->sta_list_spinlock, flags); + spin_unlock_bh(&priv->sta_list_spinlock); mwifiex_dbg(priv->adapter, INFO, "info: last_seq=%d start_win=%d\n", @@ -418,9 +413,9 @@ mwifiex_11n_create_rx_reorder_tbl(struct mwifiex_private *priv, u8 *ta, for (i = 0; i < win_size; ++i) new_node->rx_reorder_ptr[i] = NULL; - spin_lock_irqsave(&priv->rx_reorder_tbl_lock, flags); + spin_lock_bh(&priv->rx_reorder_tbl_lock); list_add_tail(&new_node->list, &priv->rx_reorder_tbl_ptr); - spin_unlock_irqrestore(&priv->rx_reorder_tbl_lock, flags); + spin_unlock_bh(&priv->rx_reorder_tbl_lock); } static void @@ -476,18 +471,17 @@ int mwifiex_cmd_11n_addba_rsp_gen(struct mwifiex_private *priv, u32 rx_win_size = priv->add_ba_param.rx_win_size; u8 tid; int win_size; - unsigned long flags; uint16_t block_ack_param_set; if ((GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_STA) && ISSUPP_TDLS_ENABLED(priv->adapter->fw_cap_info) && priv->adapter->is_hw_11ac_capable && memcmp(priv->cfg_bssid, cmd_addba_req->peer_mac_addr, ETH_ALEN)) { - spin_lock_irqsave(&priv->sta_list_spinlock, flags); + spin_lock_bh(&priv->sta_list_spinlock); sta_ptr = mwifiex_get_sta_entry(priv, cmd_addba_req->peer_mac_addr); if (!sta_ptr) { - spin_unlock_irqrestore(&priv->sta_list_spinlock, flags); + spin_unlock_bh(&priv->sta_list_spinlock); mwifiex_dbg(priv->adapter, ERROR, "BA setup with unknown TDLS peer %pM!\n", cmd_addba_req->peer_mac_addr); @@ -495,7 +489,7 @@ int mwifiex_cmd_11n_addba_rsp_gen(struct mwifiex_private *priv, } if (sta_ptr->is_11ac_enabled) rx_win_size = MWIFIEX_11AC_STA_AMPDU_DEF_RXWINSIZE; - spin_unlock_irqrestore(&priv->sta_list_spinlock, flags); + spin_unlock_bh(&priv->sta_list_spinlock); } cmd->command = cpu_to_le16(HostCmd_CMD_11N_ADDBA_RSP); @@ -682,7 +676,6 @@ mwifiex_del_ba_tbl(struct mwifiex_private *priv, int tid, u8 *peer_mac, struct mwifiex_tx_ba_stream_tbl *ptx_tbl; struct mwifiex_ra_list_tbl *ra_list; u8 cleanup_rx_reorder_tbl; - unsigned long flags; int tid_down; if (type == TYPE_DELBA_RECEIVE) @@ -716,9 +709,9 @@ mwifiex_del_ba_tbl(struct mwifiex_private *priv, int tid, u8 *peer_mac, ra_list->amsdu_in_ampdu = false; ra_list->ba_status = BA_SETUP_NONE; } - spin_lock_irqsave(&priv->tx_ba_stream_tbl_lock, flags); + spin_lock_bh(&priv->tx_ba_stream_tbl_lock); mwifiex_11n_delete_tx_ba_stream_tbl_entry(priv, ptx_tbl); - spin_unlock_irqrestore(&priv->tx_ba_stream_tbl_lock, flags); + spin_unlock_bh(&priv->tx_ba_stream_tbl_lock); } } @@ -804,17 +797,16 @@ void mwifiex_11n_ba_stream_timeout(struct mwifiex_private *priv, 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); + spin_lock_bh(&priv->rx_reorder_tbl_lock); 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); + spin_unlock_bh(&priv->rx_reorder_tbl_lock); mwifiex_del_rx_reorder_entry(priv, del_tbl_ptr); - spin_lock_irqsave(&priv->rx_reorder_tbl_lock, flags); + spin_lock_bh(&priv->rx_reorder_tbl_lock); } INIT_LIST_HEAD(&priv->rx_reorder_tbl_ptr); - spin_unlock_irqrestore(&priv->rx_reorder_tbl_lock, flags); + spin_unlock_bh(&priv->rx_reorder_tbl_lock); mwifiex_reset_11n_rx_seq_num(priv); } @@ -826,7 +818,6 @@ 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++) { @@ -834,10 +825,10 @@ void mwifiex_update_rxreor_flags(struct mwifiex_adapter *adapter, u8 flags) if (!priv) continue; - spin_lock_irqsave(&priv->rx_reorder_tbl_lock, lock_flags); + spin_lock_bh(&priv->rx_reorder_tbl_lock); list_for_each_entry(tbl, &priv->rx_reorder_tbl_ptr, list) tbl->flags = flags; - spin_unlock_irqrestore(&priv->rx_reorder_tbl_lock, lock_flags); + spin_unlock_bh(&priv->rx_reorder_tbl_lock); } return; |