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author | Srikant Patnaik | 2015-01-11 12:28:04 +0530 |
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committer | Srikant Patnaik | 2015-01-11 12:28:04 +0530 |
commit | 871480933a1c28f8a9fed4c4d34d06c439a7a422 (patch) | |
tree | 8718f573808810c2a1e8cb8fb6ac469093ca2784 /ANDROID_3.4.5/drivers/net/wireless/mwifiex/sta_rx.c | |
parent | 9d40ac5867b9aefe0722bc1f110b965ff294d30d (diff) | |
download | FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.tar.gz FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.tar.bz2 FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.zip |
Moved, renamed, and deleted files
The original directory structure was scattered and unorganized.
Changes are basically to make it look like kernel structure.
Diffstat (limited to 'ANDROID_3.4.5/drivers/net/wireless/mwifiex/sta_rx.c')
-rw-r--r-- | ANDROID_3.4.5/drivers/net/wireless/mwifiex/sta_rx.c | 206 |
1 files changed, 0 insertions, 206 deletions
diff --git a/ANDROID_3.4.5/drivers/net/wireless/mwifiex/sta_rx.c b/ANDROID_3.4.5/drivers/net/wireless/mwifiex/sta_rx.c deleted file mode 100644 index 750b695a..00000000 --- a/ANDROID_3.4.5/drivers/net/wireless/mwifiex/sta_rx.c +++ /dev/null @@ -1,206 +0,0 @@ -/* - * Marvell Wireless LAN device driver: station RX data handling - * - * 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 "11n_aggr.h" -#include "11n_rxreorder.h" - -/* - * This function processes the received packet and forwards it - * to kernel/upper layer. - * - * This function parses through the received packet and determines - * if it is a debug packet or normal packet. - * - * For non-debug packets, the function chops off unnecessary leading - * header bytes, reconstructs the packet as an ethernet frame or - * 802.2/llc/snap frame as required, and sends it to kernel/upper layer. - * - * The completion callback is called after processing in complete. - */ -int mwifiex_process_rx_packet(struct mwifiex_adapter *adapter, - struct sk_buff *skb) -{ - int ret; - struct mwifiex_rxinfo *rx_info = MWIFIEX_SKB_RXCB(skb); - struct mwifiex_private *priv = - mwifiex_get_priv_by_id(adapter, rx_info->bss_num, - rx_info->bss_type); - 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 }; - - local_rx_pd = (struct rxpd *) (skb->data); - - rx_pkt_hdr = (struct rx_packet_hdr *) ((u8 *) local_rx_pd + - local_rx_pd->rx_pkt_offset); - - if (!memcmp(&rx_pkt_hdr->rfc1042_hdr, - rfc1042_eth_hdr, sizeof(rfc1042_eth_hdr))) { - /* - * Replace the 803 header and rfc1042 header (llc/snap) with an - * EthernetII header, keep the src/dst and snap_type - * (ethertype). - * The firmware only passes up SNAP frames converting - * all RX Data from 802.11 to 802.2/LLC/SNAP frames. - * To create the Ethernet II, just move the src, dst address - * right before the snap_type. - */ - eth_hdr = (struct ethhdr *) - ((u8 *) &rx_pkt_hdr->eth803_hdr - + sizeof(rx_pkt_hdr->eth803_hdr) + - sizeof(rx_pkt_hdr->rfc1042_hdr) - - sizeof(rx_pkt_hdr->eth803_hdr.h_dest) - - 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)); - - /* 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; - } else { - /* Chop off the rxpd */ - hdr_chop = (u8 *) &rx_pkt_hdr->eth803_hdr - - (u8 *) local_rx_pd; - } - - /* Chop off the leading header bytes so the it points to the start of - either the reconstructed EthII frame or the 802.2/llc/snap frame */ - skb_pull(skb, hdr_chop); - - priv->rxpd_rate = local_rx_pd->rx_rate; - - priv->rxpd_htinfo = local_rx_pd->ht_info; - - ret = mwifiex_recv_packet(adapter, skb); - if (ret == -1) - dev_err(adapter->dev, "recv packet failed\n"); - - return ret; -} - -/* - * This function processes the received buffer. - * - * The function looks into the RxPD and performs sanity tests on the - * received buffer to ensure its a valid packet, before processing it - * further. If the packet is determined to be aggregated, it is - * de-aggregated accordingly. Non-unicast packets are sent directly to - * the kernel/upper layers. Unicast packets are handed over to the - * Rx reordering routine if 11n is enabled. - * - * The completion callback is called after processing in complete. - */ -int mwifiex_process_sta_rx_packet(struct mwifiex_adapter *adapter, - struct sk_buff *skb) -{ - int ret = 0; - struct rxpd *local_rx_pd; - struct mwifiex_rxinfo *rx_info = MWIFIEX_SKB_RXCB(skb); - struct rx_packet_hdr *rx_pkt_hdr; - u8 ta[ETH_ALEN]; - u16 rx_pkt_type; - struct mwifiex_private *priv = - mwifiex_get_priv_by_id(adapter, rx_info->bss_num, - rx_info->bss_type); - - if (!priv) - return -1; - - local_rx_pd = (struct rxpd *) (skb->data); - rx_pkt_type = local_rx_pd->rx_pkt_type; - - rx_pkt_hdr = (struct rx_packet_hdr *) ((u8 *) local_rx_pd + - local_rx_pd->rx_pkt_offset); - - if ((local_rx_pd->rx_pkt_offset + local_rx_pd->rx_pkt_length) > - (u16) skb->len) { - dev_err(adapter->dev, "wrong rx packet: len=%d," - " rx_pkt_offset=%d, rx_pkt_length=%d\n", skb->len, - local_rx_pd->rx_pkt_offset, local_rx_pd->rx_pkt_length); - priv->stats.rx_dropped++; - dev_kfree_skb_any(skb); - return ret; - } - - if (local_rx_pd->rx_pkt_type == PKT_TYPE_AMSDU) { - struct sk_buff_head list; - struct sk_buff *rx_skb; - - __skb_queue_head_init(&list); - - skb_pull(skb, local_rx_pd->rx_pkt_offset); - skb_trim(skb, local_rx_pd->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(adapter, rx_skb); - if (ret == -1) - dev_err(adapter->dev, "Rx of A-MSDU failed"); - } - return 0; - } - - /* - * 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)) { - mwifiex_process_rx_packet(adapter, skb); - return ret; - } - - if (mwifiex_queuing_ra_based(priv)) { - memcpy(ta, rx_pkt_hdr->eth803_hdr.h_source, ETH_ALEN); - } else { - if (rx_pkt_type != PKT_TYPE_BAR) - priv->rx_seq[local_rx_pd->priority] = - local_rx_pd->seq_num; - memcpy(ta, priv->curr_bss_params.bss_descriptor.mac_address, - ETH_ALEN); - } - - /* Reorder and send to OS */ - ret = mwifiex_11n_rx_reorder_pkt(priv, local_rx_pd->seq_num, - local_rx_pd->priority, ta, - (u8) local_rx_pd->rx_pkt_type, - skb); - - if (ret || (rx_pkt_type == PKT_TYPE_BAR)) - dev_kfree_skb_any(skb); - - if (ret) - priv->stats.rx_dropped++; - - return ret; -} |