mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-23 18:39:03 +07:00
9817fffbf0
This patch adds support to delete peer station's RA lists upon station deautheticate event on AP interface. Patch also decrements TX pending count upon removing packets from RA list. Signed-off-by: Avinash Patil <patila@marvell.com> Signed-off-by: Cathy Luo <cluo@marvell.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
204 lines
6.1 KiB
C
204 lines
6.1 KiB
C
/*
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* Marvell Wireless LAN device driver: AP event handling
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*
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* Copyright (C) 2012-2014, Marvell International Ltd.
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*
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* This software file (the "File") is distributed by Marvell International
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* Ltd. under the terms of the GNU General Public License Version 2, June 1991
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* (the "License"). You may use, redistribute and/or modify this File in
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* accordance with the terms and conditions of the License, a copy of which
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* is available by writing to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or on the
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* worldwide web at http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt.
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*
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* THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE
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* ARE EXPRESSLY DISCLAIMED. The License provides additional details about
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* this warranty disclaimer.
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*/
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#include "decl.h"
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#include "main.h"
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#include "11n.h"
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/*
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* This function handles AP interface specific events generated by firmware.
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*
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* Event specific routines are called by this function based
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* upon the generated event cause.
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*
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*
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* Events supported for AP -
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* - EVENT_UAP_STA_ASSOC
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* - EVENT_UAP_STA_DEAUTH
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* - EVENT_UAP_BSS_ACTIVE
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* - EVENT_UAP_BSS_START
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* - EVENT_UAP_BSS_IDLE
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* - EVENT_UAP_MIC_COUNTERMEASURES:
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*/
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int mwifiex_process_uap_event(struct mwifiex_private *priv)
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{
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struct mwifiex_adapter *adapter = priv->adapter;
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int len, i;
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u32 eventcause = adapter->event_cause;
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struct station_info sinfo;
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struct mwifiex_assoc_event *event;
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struct mwifiex_sta_node *node;
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u8 *deauth_mac;
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struct host_cmd_ds_11n_batimeout *ba_timeout;
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u16 ctrl;
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switch (eventcause) {
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case EVENT_UAP_STA_ASSOC:
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memset(&sinfo, 0, sizeof(sinfo));
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event = (struct mwifiex_assoc_event *)
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(adapter->event_body + MWIFIEX_UAP_EVENT_EXTRA_HEADER);
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if (le16_to_cpu(event->type) == TLV_TYPE_UAP_MGMT_FRAME) {
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len = -1;
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if (ieee80211_is_assoc_req(event->frame_control))
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len = 0;
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else if (ieee80211_is_reassoc_req(event->frame_control))
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/* There will be ETH_ALEN bytes of
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* current_ap_addr before the re-assoc ies.
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*/
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len = ETH_ALEN;
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if (len != -1) {
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sinfo.filled = STATION_INFO_ASSOC_REQ_IES;
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sinfo.assoc_req_ies = &event->data[len];
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len = (u8 *)sinfo.assoc_req_ies -
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(u8 *)&event->frame_control;
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sinfo.assoc_req_ies_len =
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le16_to_cpu(event->len) - (u16)len;
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}
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}
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cfg80211_new_sta(priv->netdev, event->sta_addr, &sinfo,
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GFP_KERNEL);
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node = mwifiex_add_sta_entry(priv, event->sta_addr);
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if (!node) {
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dev_warn(adapter->dev,
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"could not create station entry!\n");
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return -1;
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}
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if (!priv->ap_11n_enabled)
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break;
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mwifiex_set_sta_ht_cap(priv, sinfo.assoc_req_ies,
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sinfo.assoc_req_ies_len, node);
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for (i = 0; i < MAX_NUM_TID; i++) {
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if (node->is_11n_enabled)
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node->ampdu_sta[i] =
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priv->aggr_prio_tbl[i].ampdu_user;
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else
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node->ampdu_sta[i] = BA_STREAM_NOT_ALLOWED;
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}
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memset(node->rx_seq, 0xff, sizeof(node->rx_seq));
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break;
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case EVENT_UAP_STA_DEAUTH:
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deauth_mac = adapter->event_body +
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MWIFIEX_UAP_EVENT_EXTRA_HEADER;
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cfg80211_del_sta(priv->netdev, deauth_mac, GFP_KERNEL);
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if (priv->ap_11n_enabled) {
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mwifiex_11n_del_rx_reorder_tbl_by_ta(priv, deauth_mac);
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mwifiex_del_tx_ba_stream_tbl_by_ra(priv, deauth_mac);
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}
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mwifiex_wmm_del_peer_ra_list(priv, deauth_mac);
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mwifiex_del_sta_entry(priv, deauth_mac);
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break;
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case EVENT_UAP_BSS_IDLE:
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priv->media_connected = false;
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if (netif_carrier_ok(priv->netdev))
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netif_carrier_off(priv->netdev);
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mwifiex_stop_net_dev_queue(priv->netdev, adapter);
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mwifiex_clean_txrx(priv);
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mwifiex_del_all_sta_list(priv);
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break;
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case EVENT_UAP_BSS_ACTIVE:
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priv->media_connected = true;
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if (!netif_carrier_ok(priv->netdev))
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netif_carrier_on(priv->netdev);
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mwifiex_wake_up_net_dev_queue(priv->netdev, adapter);
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break;
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case EVENT_UAP_BSS_START:
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dev_dbg(adapter->dev, "AP EVENT: event id: %#x\n", eventcause);
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memcpy(priv->netdev->dev_addr, adapter->event_body + 2,
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ETH_ALEN);
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break;
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case EVENT_UAP_MIC_COUNTERMEASURES:
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/* For future development */
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dev_dbg(adapter->dev, "AP EVENT: event id: %#x\n", eventcause);
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break;
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case EVENT_AMSDU_AGGR_CTRL:
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ctrl = le16_to_cpu(*(__le16 *)adapter->event_body);
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dev_dbg(adapter->dev, "event: AMSDU_AGGR_CTRL %d\n", ctrl);
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if (priv->media_connected) {
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adapter->tx_buf_size =
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min_t(u16, adapter->curr_tx_buf_size, ctrl);
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dev_dbg(adapter->dev, "event: tx_buf_size %d\n",
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adapter->tx_buf_size);
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}
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break;
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case EVENT_ADDBA:
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dev_dbg(adapter->dev, "event: ADDBA Request\n");
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if (priv->media_connected)
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mwifiex_send_cmd(priv, HostCmd_CMD_11N_ADDBA_RSP,
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HostCmd_ACT_GEN_SET, 0,
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adapter->event_body, false);
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break;
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case EVENT_DELBA:
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dev_dbg(adapter->dev, "event: DELBA Request\n");
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if (priv->media_connected)
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mwifiex_11n_delete_ba_stream(priv, adapter->event_body);
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break;
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case EVENT_BA_STREAM_TIEMOUT:
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dev_dbg(adapter->dev, "event: BA Stream timeout\n");
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if (priv->media_connected) {
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ba_timeout = (void *)adapter->event_body;
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mwifiex_11n_ba_stream_timeout(priv, ba_timeout);
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}
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break;
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case EVENT_EXT_SCAN_REPORT:
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dev_dbg(adapter->dev, "event: EXT_SCAN Report\n");
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if (adapter->ext_scan)
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return mwifiex_handle_event_ext_scan_report(priv,
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adapter->event_skb->data);
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break;
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case EVENT_TX_STATUS_REPORT:
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dev_dbg(adapter->dev, "event: TX_STATUS Report\n");
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mwifiex_parse_tx_status_event(priv, adapter->event_body);
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break;
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default:
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dev_dbg(adapter->dev, "event: unknown event id: %#x\n",
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eventcause);
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break;
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}
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return 0;
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}
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/* This function deletes station entry from associated station list.
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* Also if both AP and STA are 11n enabled, RxReorder tables and TxBA stream
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* tables created for this station are deleted.
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*/
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void mwifiex_uap_del_sta_data(struct mwifiex_private *priv,
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struct mwifiex_sta_node *node)
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{
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if (priv->ap_11n_enabled && node->is_11n_enabled) {
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mwifiex_11n_del_rx_reorder_tbl_by_ta(priv, node->mac_addr);
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mwifiex_del_tx_ba_stream_tbl_by_ra(priv, node->mac_addr);
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}
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mwifiex_del_sta_entry(priv, node->mac_addr);
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return;
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}
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