summaryrefslogtreecommitdiff
path: root/ANDROID_3.4.5/drivers/net/wireless/mwifiex/sta_rx.c
diff options
context:
space:
mode:
authorSrikant Patnaik2015-01-11 12:28:04 +0530
committerSrikant Patnaik2015-01-11 12:28:04 +0530
commit871480933a1c28f8a9fed4c4d34d06c439a7a422 (patch)
tree8718f573808810c2a1e8cb8fb6ac469093ca2784 /ANDROID_3.4.5/drivers/net/wireless/mwifiex/sta_rx.c
parent9d40ac5867b9aefe0722bc1f110b965ff294d30d (diff)
downloadFOSSEE-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.c206
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;
-}