diff options
Diffstat (limited to 'drivers/net/wireless/marvell/mwifiex/uap_txrx.c')
| -rw-r--r-- | drivers/net/wireless/marvell/mwifiex/uap_txrx.c | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/drivers/net/wireless/marvell/mwifiex/uap_txrx.c b/drivers/net/wireless/marvell/mwifiex/uap_txrx.c index 52f7981a8..666e91af5 100644 --- a/drivers/net/wireless/marvell/mwifiex/uap_txrx.c +++ b/drivers/net/wireless/marvell/mwifiex/uap_txrx.c @@ -102,6 +102,7 @@ static void mwifiex_uap_queue_bridged_pkt(struct mwifiex_private *priv, int hdr_chop; struct ethhdr *p_ethhdr; struct mwifiex_sta_node *src_node; + int index; uap_rx_pd = (struct uap_rxpd *)(skb->data); rx_pkt_hdr = (void *)uap_rx_pd + le16_to_cpu(uap_rx_pd->rx_pkt_offset); @@ -208,10 +209,15 @@ static void mwifiex_uap_queue_bridged_pkt(struct mwifiex_private *priv, } __net_timestamp(skb); + + index = mwifiex_1d_to_wmm_queue[skb->priority]; + atomic_inc(&priv->wmm_tx_pending[index]); mwifiex_wmm_add_buf_txqueue(priv, skb); atomic_inc(&adapter->tx_pending); atomic_inc(&adapter->pending_bridged_pkts); + mwifiex_queue_main_work(priv->adapter); + return; } @@ -263,6 +269,96 @@ int mwifiex_handle_uap_rx_forward(struct mwifiex_private *priv, return mwifiex_process_rx_packet(priv, skb); } +int mwifiex_uap_recv_packet(struct mwifiex_private *priv, + struct sk_buff *skb) +{ + struct mwifiex_adapter *adapter = adapter; + struct mwifiex_sta_node *src_node; + struct ethhdr *p_ethhdr; + struct sk_buff *skb_uap; + struct mwifiex_txinfo *tx_info; + + if (!skb) + return -1; + + p_ethhdr = (void *)skb->data; + src_node = mwifiex_get_sta_entry(priv, p_ethhdr->h_source); + if (src_node) { + src_node->stats.last_rx = jiffies; + src_node->stats.rx_bytes += skb->len; + src_node->stats.rx_packets++; + } + + skb->dev = priv->netdev; + skb->protocol = eth_type_trans(skb, priv->netdev); + skb->ip_summed = CHECKSUM_NONE; + + /* This is required only in case of 11n and USB/PCIE as we alloc + * a buffer of 4K only if its 11N (to be able to receive 4K + * AMSDU packets). In case of SD we allocate buffers based + * on the size of packet and hence this is not needed. + * + * Modifying the truesize here as our allocation for each + * skb is 4K but we only receive 2K packets and this cause + * the kernel to start dropping packets in case where + * application has allocated buffer based on 2K size i.e. + * if there a 64K packet received (in IP fragments and + * application allocates 64K to receive this packet but + * this packet would almost double up because we allocate + * each 1.5K fragment in 4K and pass it up. As soon as the + * 64K limit hits kernel will start to drop rest of the + * fragments. Currently we fail the Filesndl-ht.scr script + * for UDP, hence this fix + */ + if ((adapter->iface_type == MWIFIEX_USB || + adapter->iface_type == MWIFIEX_PCIE) && + (skb->truesize > MWIFIEX_RX_DATA_BUF_SIZE)) + skb->truesize += (skb->len - MWIFIEX_RX_DATA_BUF_SIZE); + + if (is_multicast_ether_addr(p_ethhdr->h_dest) || + mwifiex_get_sta_entry(priv, p_ethhdr->h_dest)) { + if (skb_headroom(skb) < MWIFIEX_MIN_DATA_HEADER_LEN) + skb_uap = + skb_realloc_headroom(skb, MWIFIEX_MIN_DATA_HEADER_LEN); + else + skb_uap = skb_copy(skb, GFP_ATOMIC); + + if (likely(skb_uap)) { + tx_info = MWIFIEX_SKB_TXCB(skb_uap); + memset(tx_info, 0, sizeof(*tx_info)); + tx_info->bss_num = priv->bss_num; + tx_info->bss_type = priv->bss_type; + tx_info->flags |= MWIFIEX_BUF_FLAG_BRIDGED_PKT; + __net_timestamp(skb_uap); + mwifiex_wmm_add_buf_txqueue(priv, skb_uap); + atomic_inc(&adapter->tx_pending); + atomic_inc(&adapter->pending_bridged_pkts); + if ((atomic_read(&adapter->pending_bridged_pkts) >= + MWIFIEX_BRIDGED_PKTS_THR_HIGH)) { + mwifiex_dbg(adapter, ERROR, + "Tx: Bridge packet limit reached. Drop packet!\n"); + mwifiex_uap_cleanup_tx_queues(priv); + } + + } else { + mwifiex_dbg(adapter, ERROR, "failed to allocate skb_uap"); + } + + mwifiex_queue_main_work(adapter); + /* Don't forward Intra-BSS unicast packet to upper layer*/ + if (mwifiex_get_sta_entry(priv, p_ethhdr->h_dest)) + return 0; + } + + /* Forward multicast/broadcast packet to upper layer*/ + if (in_interrupt()) + netif_rx(skb); + else + netif_rx_ni(skb); + + return 0; +} + /* * This function processes the packet received on AP interface. * |