diff options
Diffstat (limited to 'drivers/net/wireless/mwifiex/sta_rx.c')
| -rw-r--r-- | drivers/net/wireless/mwifiex/sta_rx.c | 96 |
1 files changed, 46 insertions, 50 deletions
diff --git a/drivers/net/wireless/mwifiex/sta_rx.c b/drivers/net/wireless/mwifiex/sta_rx.c index bb22664923e..8b639d7fe6d 100644 --- a/drivers/net/wireless/mwifiex/sta_rx.c +++ b/drivers/net/wireless/mwifiex/sta_rx.c @@ -36,12 +36,12 @@ mwifiex_discard_gratuitous_arp(struct mwifiex_private *priv, struct sk_buff *skb) { const struct mwifiex_arp_eth_header *arp; - struct ethhdr *eth_hdr; + struct ethhdr *eth; struct ipv6hdr *ipv6; struct icmp6hdr *icmpv6; - eth_hdr = (struct ethhdr *)skb->data; - switch (ntohs(eth_hdr->h_proto)) { + eth = (struct ethhdr *)skb->data; + switch (ntohs(eth->h_proto)) { case ETH_P_ARP: arp = (void *)(skb->data + sizeof(struct ethhdr)); if (arp->hdr.ar_op == htons(ARPOP_REPLY) || @@ -87,16 +87,22 @@ int mwifiex_process_rx_packet(struct mwifiex_private *priv, struct rx_packet_hdr *rx_pkt_hdr; struct rxpd *local_rx_pd; int hdr_chop; - struct ethhdr *eth_hdr; - u8 rfc1042_eth_hdr[ETH_ALEN] = { 0xaa, 0xaa, 0x03, 0x00, 0x00, 0x00 }; + struct ethhdr *eth; + u16 rx_pkt_off, rx_pkt_len; + u8 *offset; local_rx_pd = (struct rxpd *) (skb->data); - rx_pkt_hdr = (void *)local_rx_pd + - le16_to_cpu(local_rx_pd->rx_pkt_offset); + rx_pkt_off = le16_to_cpu(local_rx_pd->rx_pkt_offset); + rx_pkt_len = le16_to_cpu(local_rx_pd->rx_pkt_length); + rx_pkt_hdr = (void *)local_rx_pd + rx_pkt_off; - if (!memcmp(&rx_pkt_hdr->rfc1042_hdr, - rfc1042_eth_hdr, sizeof(rfc1042_eth_hdr))) { + if ((!memcmp(&rx_pkt_hdr->rfc1042_hdr, bridge_tunnel_header, + sizeof(bridge_tunnel_header))) || + (!memcmp(&rx_pkt_hdr->rfc1042_hdr, rfc1042_header, + sizeof(rfc1042_header)) && + ntohs(rx_pkt_hdr->rfc1042_hdr.snap_type) != ETH_P_AARP && + ntohs(rx_pkt_hdr->rfc1042_hdr.snap_type) != ETH_P_IPX)) { /* * Replace the 803 header and rfc1042 header (llc/snap) with an * EthernetII header, keep the src/dst and snap_type @@ -106,7 +112,7 @@ int mwifiex_process_rx_packet(struct mwifiex_private *priv, * To create the Ethernet II, just move the src, dst address * right before the snap_type. */ - eth_hdr = (struct ethhdr *) + eth = (struct ethhdr *) ((u8 *) &rx_pkt_hdr->eth803_hdr + sizeof(rx_pkt_hdr->eth803_hdr) + sizeof(rx_pkt_hdr->rfc1042_hdr) @@ -114,14 +120,14 @@ int mwifiex_process_rx_packet(struct mwifiex_private *priv, - sizeof(rx_pkt_hdr->eth803_hdr.h_source) - sizeof(rx_pkt_hdr->rfc1042_hdr.snap_type)); - memcpy(eth_hdr->h_source, rx_pkt_hdr->eth803_hdr.h_source, - sizeof(eth_hdr->h_source)); - memcpy(eth_hdr->h_dest, rx_pkt_hdr->eth803_hdr.h_dest, - sizeof(eth_hdr->h_dest)); + memcpy(eth->h_source, rx_pkt_hdr->eth803_hdr.h_source, + sizeof(eth->h_source)); + memcpy(eth->h_dest, rx_pkt_hdr->eth803_hdr.h_dest, + sizeof(eth->h_dest)); /* Chop off the rxpd + the excess memory from the 802.2/llc/snap header that was removed. */ - hdr_chop = (u8 *) eth_hdr - (u8 *) local_rx_pd; + hdr_chop = (u8 *) eth - (u8 *) local_rx_pd; } else { /* Chop off the rxpd */ hdr_chop = (u8 *) &rx_pkt_hdr->eth803_hdr - @@ -139,6 +145,12 @@ int mwifiex_process_rx_packet(struct mwifiex_private *priv, return 0; } + if (ISSUPP_TDLS_ENABLED(priv->adapter->fw_cap_info) && + ntohs(rx_pkt_hdr->eth803_hdr.h_proto) == ETH_P_TDLS) { + offset = (u8 *)local_rx_pd + rx_pkt_off; + mwifiex_process_tdls_action_frame(priv, offset, rx_pkt_len); + } + priv->rxpd_rate = local_rx_pd->rx_rate; priv->rxpd_htinfo = local_rx_pd->ht_info; @@ -171,6 +183,7 @@ int mwifiex_process_sta_rx_packet(struct mwifiex_private *priv, struct rx_packet_hdr *rx_pkt_hdr; u8 ta[ETH_ALEN]; u16 rx_pkt_type, rx_pkt_offset, rx_pkt_length, seq_num; + struct mwifiex_sta_node *sta_ptr; local_rx_pd = (struct rxpd *) (skb->data); rx_pkt_type = le16_to_cpu(local_rx_pd->rx_pkt_type); @@ -185,35 +198,11 @@ int mwifiex_process_sta_rx_packet(struct mwifiex_private *priv, "wrong rx packet: len=%d, rx_pkt_offset=%d, rx_pkt_length=%d\n", skb->len, rx_pkt_offset, rx_pkt_length); priv->stats.rx_dropped++; - - if (adapter->if_ops.data_complete) - adapter->if_ops.data_complete(adapter, skb); - else - dev_kfree_skb_any(skb); - + dev_kfree_skb_any(skb); return ret; } - if (rx_pkt_type == PKT_TYPE_AMSDU) { - struct sk_buff_head list; - struct sk_buff *rx_skb; - - __skb_queue_head_init(&list); - - skb_pull(skb, rx_pkt_offset); - skb_trim(skb, rx_pkt_length); - - ieee80211_amsdu_to_8023s(skb, &list, priv->curr_addr, - priv->wdev->iftype, 0, false); - - while (!skb_queue_empty(&list)) { - rx_skb = __skb_dequeue(&list); - ret = mwifiex_recv_packet(priv, rx_skb); - if (ret == -1) - dev_err(adapter->dev, "Rx of A-MSDU failed"); - } - return 0; - } else if (rx_pkt_type == PKT_TYPE_MGMT) { + if (rx_pkt_type == PKT_TYPE_MGMT) { ret = mwifiex_process_mgmt_packet(priv, skb); if (ret) dev_err(adapter->dev, "Rx of mgmt packet failed"); @@ -225,14 +214,25 @@ int mwifiex_process_sta_rx_packet(struct mwifiex_private *priv, * If the packet is not an unicast packet then send the packet * directly to os. Don't pass thru rx reordering */ - if (!IS_11N_ENABLED(priv) || - memcmp(priv->curr_addr, rx_pkt_hdr->eth803_hdr.h_dest, ETH_ALEN)) { + if ((!IS_11N_ENABLED(priv) && + !(ISSUPP_TDLS_ENABLED(priv->adapter->fw_cap_info) && + !(local_rx_pd->flags & MWIFIEX_RXPD_FLAGS_TDLS_PACKET))) || + !ether_addr_equal_unaligned(priv->curr_addr, rx_pkt_hdr->eth803_hdr.h_dest)) { mwifiex_process_rx_packet(priv, skb); return ret; } - if (mwifiex_queuing_ra_based(priv)) { + if (mwifiex_queuing_ra_based(priv) || + (ISSUPP_TDLS_ENABLED(priv->adapter->fw_cap_info) && + local_rx_pd->flags & MWIFIEX_RXPD_FLAGS_TDLS_PACKET)) { memcpy(ta, rx_pkt_hdr->eth803_hdr.h_source, ETH_ALEN); + if (local_rx_pd->flags & MWIFIEX_RXPD_FLAGS_TDLS_PACKET && + local_rx_pd->priority < MAX_NUM_TID) { + sta_ptr = mwifiex_get_sta_entry(priv, ta); + if (sta_ptr) + sta_ptr->rx_seq[local_rx_pd->priority] = + le16_to_cpu(local_rx_pd->seq_num); + } } else { if (rx_pkt_type != PKT_TYPE_BAR) priv->rx_seq[local_rx_pd->priority] = seq_num; @@ -244,12 +244,8 @@ int mwifiex_process_sta_rx_packet(struct mwifiex_private *priv, ret = mwifiex_11n_rx_reorder_pkt(priv, seq_num, local_rx_pd->priority, ta, (u8) rx_pkt_type, skb); - if (ret || (rx_pkt_type == PKT_TYPE_BAR)) { - if (adapter->if_ops.data_complete) - adapter->if_ops.data_complete(adapter, skb); - else - dev_kfree_skb_any(skb); - } + if (ret || (rx_pkt_type == PKT_TYPE_BAR)) + dev_kfree_skb_any(skb); if (ret) priv->stats.rx_dropped++; |
