diff options
Diffstat (limited to 'ANDROID_3.4.5/drivers/net/wireless/ath/ath6kl/main.c')
| -rw-r--r-- | ANDROID_3.4.5/drivers/net/wireless/ath/ath6kl/main.c | 1216 |
1 files changed, 0 insertions, 1216 deletions
diff --git a/ANDROID_3.4.5/drivers/net/wireless/ath/ath6kl/main.c b/ANDROID_3.4.5/drivers/net/wireless/ath/ath6kl/main.c deleted file mode 100644 index 229e1922..00000000 --- a/ANDROID_3.4.5/drivers/net/wireless/ath/ath6kl/main.c +++ /dev/null @@ -1,1216 +0,0 @@ -/* - * Copyright (c) 2004-2011 Atheros Communications Inc. - * Copyright (c) 2011-2012 Qualcomm Atheros, Inc. - * - * Permission to use, copy, modify, and/or distribute this software for any - * purpose with or without fee is hereby granted, provided that the above - * copyright notice and this permission notice appear in all copies. - * - * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES - * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR - * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES - * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN - * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF - * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. - */ - -#include "core.h" -#include "hif-ops.h" -#include "cfg80211.h" -#include "target.h" -#include "debug.h" - -struct ath6kl_sta *ath6kl_find_sta(struct ath6kl_vif *vif, u8 *node_addr) -{ - struct ath6kl *ar = vif->ar; - struct ath6kl_sta *conn = NULL; - u8 i, max_conn; - - max_conn = (vif->nw_type == AP_NETWORK) ? AP_MAX_NUM_STA : 0; - - for (i = 0; i < max_conn; i++) { - if (memcmp(node_addr, ar->sta_list[i].mac, ETH_ALEN) == 0) { - conn = &ar->sta_list[i]; - break; - } - } - - return conn; -} - -struct ath6kl_sta *ath6kl_find_sta_by_aid(struct ath6kl *ar, u8 aid) -{ - struct ath6kl_sta *conn = NULL; - u8 ctr; - - for (ctr = 0; ctr < AP_MAX_NUM_STA; ctr++) { - if (ar->sta_list[ctr].aid == aid) { - conn = &ar->sta_list[ctr]; - break; - } - } - return conn; -} - -static void ath6kl_add_new_sta(struct ath6kl_vif *vif, u8 *mac, u16 aid, - u8 *wpaie, size_t ielen, u8 keymgmt, - u8 ucipher, u8 auth, u8 apsd_info) -{ - struct ath6kl *ar = vif->ar; - struct ath6kl_sta *sta; - u8 free_slot; - - free_slot = aid - 1; - - sta = &ar->sta_list[free_slot]; - memcpy(sta->mac, mac, ETH_ALEN); - if (ielen <= ATH6KL_MAX_IE) - memcpy(sta->wpa_ie, wpaie, ielen); - sta->aid = aid; - sta->keymgmt = keymgmt; - sta->ucipher = ucipher; - sta->auth = auth; - sta->apsd_info = apsd_info; - - ar->sta_list_index = ar->sta_list_index | (1 << free_slot); - ar->ap_stats.sta[free_slot].aid = cpu_to_le32(aid); - aggr_conn_init(vif, vif->aggr_cntxt, sta->aggr_conn); -} - -static void ath6kl_sta_cleanup(struct ath6kl *ar, u8 i) -{ - struct ath6kl_sta *sta = &ar->sta_list[i]; - struct ath6kl_mgmt_buff *entry, *tmp; - - /* empty the queued pkts in the PS queue if any */ - spin_lock_bh(&sta->psq_lock); - skb_queue_purge(&sta->psq); - skb_queue_purge(&sta->apsdq); - - if (sta->mgmt_psq_len != 0) { - list_for_each_entry_safe(entry, tmp, &sta->mgmt_psq, list) { - kfree(entry); - } - INIT_LIST_HEAD(&sta->mgmt_psq); - sta->mgmt_psq_len = 0; - } - - spin_unlock_bh(&sta->psq_lock); - - memset(&ar->ap_stats.sta[sta->aid - 1], 0, - sizeof(struct wmi_per_sta_stat)); - memset(sta->mac, 0, ETH_ALEN); - memset(sta->wpa_ie, 0, ATH6KL_MAX_IE); - sta->aid = 0; - sta->sta_flags = 0; - - ar->sta_list_index = ar->sta_list_index & ~(1 << i); - aggr_reset_state(sta->aggr_conn); -} - -static u8 ath6kl_remove_sta(struct ath6kl *ar, u8 *mac, u16 reason) -{ - u8 i, removed = 0; - - if (is_zero_ether_addr(mac)) - return removed; - - if (is_broadcast_ether_addr(mac)) { - ath6kl_dbg(ATH6KL_DBG_TRC, "deleting all station\n"); - - for (i = 0; i < AP_MAX_NUM_STA; i++) { - if (!is_zero_ether_addr(ar->sta_list[i].mac)) { - ath6kl_sta_cleanup(ar, i); - removed = 1; - } - } - } else { - for (i = 0; i < AP_MAX_NUM_STA; i++) { - if (memcmp(ar->sta_list[i].mac, mac, ETH_ALEN) == 0) { - ath6kl_dbg(ATH6KL_DBG_TRC, - "deleting station %pM aid=%d reason=%d\n", - mac, ar->sta_list[i].aid, reason); - ath6kl_sta_cleanup(ar, i); - removed = 1; - break; - } - } - } - - return removed; -} - -enum htc_endpoint_id ath6kl_ac2_endpoint_id(void *devt, u8 ac) -{ - struct ath6kl *ar = devt; - return ar->ac2ep_map[ac]; -} - -struct ath6kl_cookie *ath6kl_alloc_cookie(struct ath6kl *ar) -{ - struct ath6kl_cookie *cookie; - - cookie = ar->cookie_list; - if (cookie != NULL) { - ar->cookie_list = cookie->arc_list_next; - ar->cookie_count--; - } - - return cookie; -} - -void ath6kl_cookie_init(struct ath6kl *ar) -{ - u32 i; - - ar->cookie_list = NULL; - ar->cookie_count = 0; - - memset(ar->cookie_mem, 0, sizeof(ar->cookie_mem)); - - for (i = 0; i < MAX_COOKIE_NUM; i++) - ath6kl_free_cookie(ar, &ar->cookie_mem[i]); -} - -void ath6kl_cookie_cleanup(struct ath6kl *ar) -{ - ar->cookie_list = NULL; - ar->cookie_count = 0; -} - -void ath6kl_free_cookie(struct ath6kl *ar, struct ath6kl_cookie *cookie) -{ - /* Insert first */ - - if (!ar || !cookie) - return; - - cookie->arc_list_next = ar->cookie_list; - ar->cookie_list = cookie; - ar->cookie_count++; -} - -/* - * Read from the hardware through its diagnostic window. No cooperation - * from the firmware is required for this. - */ -int ath6kl_diag_read32(struct ath6kl *ar, u32 address, u32 *value) -{ - int ret; - - ret = ath6kl_hif_diag_read32(ar, address, value); - if (ret) { - ath6kl_warn("failed to read32 through diagnose window: %d\n", - ret); - return ret; - } - - return 0; -} - -/* - * Write to the ATH6KL through its diagnostic window. No cooperation from - * the Target is required for this. - */ -int ath6kl_diag_write32(struct ath6kl *ar, u32 address, __le32 value) -{ - int ret; - - ret = ath6kl_hif_diag_write32(ar, address, value); - - if (ret) { - ath6kl_err("failed to write 0x%x during diagnose window to 0x%d\n", - address, value); - return ret; - } - - return 0; -} - -int ath6kl_diag_read(struct ath6kl *ar, u32 address, void *data, u32 length) -{ - u32 count, *buf = data; - int ret; - - if (WARN_ON(length % 4)) - return -EINVAL; - - for (count = 0; count < length / 4; count++, address += 4) { - ret = ath6kl_diag_read32(ar, address, &buf[count]); - if (ret) - return ret; - } - - return 0; -} - -int ath6kl_diag_write(struct ath6kl *ar, u32 address, void *data, u32 length) -{ - u32 count; - __le32 *buf = data; - int ret; - - if (WARN_ON(length % 4)) - return -EINVAL; - - for (count = 0; count < length / 4; count++, address += 4) { - ret = ath6kl_diag_write32(ar, address, buf[count]); - if (ret) - return ret; - } - - return 0; -} - -int ath6kl_read_fwlogs(struct ath6kl *ar) -{ - struct ath6kl_dbglog_hdr debug_hdr; - struct ath6kl_dbglog_buf debug_buf; - u32 address, length, dropped, firstbuf, debug_hdr_addr; - int ret, loop; - u8 *buf; - - buf = kmalloc(ATH6KL_FWLOG_PAYLOAD_SIZE, GFP_KERNEL); - if (!buf) - return -ENOMEM; - - address = TARG_VTOP(ar->target_type, - ath6kl_get_hi_item_addr(ar, - HI_ITEM(hi_dbglog_hdr))); - - ret = ath6kl_diag_read32(ar, address, &debug_hdr_addr); - if (ret) - goto out; - - /* Get the contents of the ring buffer */ - if (debug_hdr_addr == 0) { - ath6kl_warn("Invalid address for debug_hdr_addr\n"); - ret = -EINVAL; - goto out; - } - - address = TARG_VTOP(ar->target_type, debug_hdr_addr); - ath6kl_diag_read(ar, address, &debug_hdr, sizeof(debug_hdr)); - - address = TARG_VTOP(ar->target_type, - le32_to_cpu(debug_hdr.dbuf_addr)); - firstbuf = address; - dropped = le32_to_cpu(debug_hdr.dropped); - ath6kl_diag_read(ar, address, &debug_buf, sizeof(debug_buf)); - - loop = 100; - - do { - address = TARG_VTOP(ar->target_type, - le32_to_cpu(debug_buf.buffer_addr)); - length = le32_to_cpu(debug_buf.length); - - if (length != 0 && (le32_to_cpu(debug_buf.length) <= - le32_to_cpu(debug_buf.bufsize))) { - length = ALIGN(length, 4); - - ret = ath6kl_diag_read(ar, address, - buf, length); - if (ret) - goto out; - - ath6kl_debug_fwlog_event(ar, buf, length); - } - - address = TARG_VTOP(ar->target_type, - le32_to_cpu(debug_buf.next)); - ath6kl_diag_read(ar, address, &debug_buf, sizeof(debug_buf)); - if (ret) - goto out; - - loop--; - - if (WARN_ON(loop == 0)) { - ret = -ETIMEDOUT; - goto out; - } - } while (address != firstbuf); - -out: - kfree(buf); - - return ret; -} - -/* FIXME: move to a better place, target.h? */ -#define AR6003_RESET_CONTROL_ADDRESS 0x00004000 -#define AR6004_RESET_CONTROL_ADDRESS 0x00004000 - -void ath6kl_reset_device(struct ath6kl *ar, u32 target_type, - bool wait_fot_compltn, bool cold_reset) -{ - int status = 0; - u32 address; - __le32 data; - - if (target_type != TARGET_TYPE_AR6003 && - target_type != TARGET_TYPE_AR6004) - return; - - data = cold_reset ? cpu_to_le32(RESET_CONTROL_COLD_RST) : - cpu_to_le32(RESET_CONTROL_MBOX_RST); - - switch (target_type) { - case TARGET_TYPE_AR6003: - address = AR6003_RESET_CONTROL_ADDRESS; - break; - case TARGET_TYPE_AR6004: - address = AR6004_RESET_CONTROL_ADDRESS; - break; - } - - status = ath6kl_diag_write32(ar, address, data); - - if (status) - ath6kl_err("failed to reset target\n"); -} - -static void ath6kl_install_static_wep_keys(struct ath6kl_vif *vif) -{ - u8 index; - u8 keyusage; - - for (index = 0; index <= WMI_MAX_KEY_INDEX; index++) { - if (vif->wep_key_list[index].key_len) { - keyusage = GROUP_USAGE; - if (index == vif->def_txkey_index) - keyusage |= TX_USAGE; - - ath6kl_wmi_addkey_cmd(vif->ar->wmi, vif->fw_vif_idx, - index, - WEP_CRYPT, - keyusage, - vif->wep_key_list[index].key_len, - NULL, 0, - vif->wep_key_list[index].key, - KEY_OP_INIT_VAL, NULL, - NO_SYNC_WMIFLAG); - } - } -} - -void ath6kl_connect_ap_mode_bss(struct ath6kl_vif *vif, u16 channel) -{ - struct ath6kl *ar = vif->ar; - struct ath6kl_req_key *ik; - int res; - u8 key_rsc[ATH6KL_KEY_SEQ_LEN]; - - ik = &ar->ap_mode_bkey; - - ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "AP mode started on %u MHz\n", channel); - - switch (vif->auth_mode) { - case NONE_AUTH: - if (vif->prwise_crypto == WEP_CRYPT) - ath6kl_install_static_wep_keys(vif); - if (!ik->valid || ik->key_type != WAPI_CRYPT) - break; - /* for WAPI, we need to set the delayed group key, continue: */ - case WPA_PSK_AUTH: - case WPA2_PSK_AUTH: - case (WPA_PSK_AUTH | WPA2_PSK_AUTH): - if (!ik->valid) - break; - - ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "Delayed addkey for " - "the initial group key for AP mode\n"); - memset(key_rsc, 0, sizeof(key_rsc)); - res = ath6kl_wmi_addkey_cmd( - ar->wmi, vif->fw_vif_idx, ik->key_index, ik->key_type, - GROUP_USAGE, ik->key_len, key_rsc, ATH6KL_KEY_SEQ_LEN, - ik->key, - KEY_OP_INIT_VAL, NULL, SYNC_BOTH_WMIFLAG); - if (res) { - ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "Delayed " - "addkey failed: %d\n", res); - } - break; - } - - ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx, NONE_BSS_FILTER, 0); - set_bit(CONNECTED, &vif->flags); - netif_carrier_on(vif->ndev); -} - -void ath6kl_connect_ap_mode_sta(struct ath6kl_vif *vif, u16 aid, u8 *mac_addr, - u8 keymgmt, u8 ucipher, u8 auth, - u8 assoc_req_len, u8 *assoc_info, u8 apsd_info) -{ - u8 *ies = NULL, *wpa_ie = NULL, *pos; - size_t ies_len = 0; - struct station_info sinfo; - - ath6kl_dbg(ATH6KL_DBG_TRC, "new station %pM aid=%d\n", mac_addr, aid); - - if (assoc_req_len > sizeof(struct ieee80211_hdr_3addr)) { - struct ieee80211_mgmt *mgmt = - (struct ieee80211_mgmt *) assoc_info; - if (ieee80211_is_assoc_req(mgmt->frame_control) && - assoc_req_len >= sizeof(struct ieee80211_hdr_3addr) + - sizeof(mgmt->u.assoc_req)) { - ies = mgmt->u.assoc_req.variable; - ies_len = assoc_info + assoc_req_len - ies; - } else if (ieee80211_is_reassoc_req(mgmt->frame_control) && - assoc_req_len >= sizeof(struct ieee80211_hdr_3addr) - + sizeof(mgmt->u.reassoc_req)) { - ies = mgmt->u.reassoc_req.variable; - ies_len = assoc_info + assoc_req_len - ies; - } - } - - pos = ies; - while (pos && pos + 1 < ies + ies_len) { - if (pos + 2 + pos[1] > ies + ies_len) - break; - if (pos[0] == WLAN_EID_RSN) - wpa_ie = pos; /* RSN IE */ - else if (pos[0] == WLAN_EID_VENDOR_SPECIFIC && - pos[1] >= 4 && - pos[2] == 0x00 && pos[3] == 0x50 && pos[4] == 0xf2) { - if (pos[5] == 0x01) - wpa_ie = pos; /* WPA IE */ - else if (pos[5] == 0x04) { - wpa_ie = pos; /* WPS IE */ - break; /* overrides WPA/RSN IE */ - } - } else if (pos[0] == 0x44 && wpa_ie == NULL) { - /* - * Note: WAPI Parameter Set IE re-uses Element ID that - * was officially allocated for BSS AC Access Delay. As - * such, we need to be a bit more careful on when - * parsing the frame. However, BSS AC Access Delay - * element is not supposed to be included in - * (Re)Association Request frames, so this should not - * cause problems. - */ - wpa_ie = pos; /* WAPI IE */ - break; - } - pos += 2 + pos[1]; - } - - ath6kl_add_new_sta(vif, mac_addr, aid, wpa_ie, - wpa_ie ? 2 + wpa_ie[1] : 0, - keymgmt, ucipher, auth, apsd_info); - - /* send event to application */ - memset(&sinfo, 0, sizeof(sinfo)); - - /* TODO: sinfo.generation */ - - sinfo.assoc_req_ies = ies; - sinfo.assoc_req_ies_len = ies_len; - sinfo.filled |= STATION_INFO_ASSOC_REQ_IES; - - cfg80211_new_sta(vif->ndev, mac_addr, &sinfo, GFP_KERNEL); - - netif_wake_queue(vif->ndev); -} - -void disconnect_timer_handler(unsigned long ptr) -{ - struct net_device *dev = (struct net_device *)ptr; - struct ath6kl_vif *vif = netdev_priv(dev); - - ath6kl_init_profile_info(vif); - ath6kl_disconnect(vif); -} - -void ath6kl_disconnect(struct ath6kl_vif *vif) -{ - if (test_bit(CONNECTED, &vif->flags) || - test_bit(CONNECT_PEND, &vif->flags)) { - ath6kl_wmi_disconnect_cmd(vif->ar->wmi, vif->fw_vif_idx); - /* - * Disconnect command is issued, clear the connect pending - * flag. The connected flag will be cleared in - * disconnect event notification. - */ - clear_bit(CONNECT_PEND, &vif->flags); - } -} - -/* WMI Event handlers */ - -void ath6kl_ready_event(void *devt, u8 *datap, u32 sw_ver, u32 abi_ver) -{ - struct ath6kl *ar = devt; - - memcpy(ar->mac_addr, datap, ETH_ALEN); - ath6kl_dbg(ATH6KL_DBG_TRC, "%s: mac addr = %pM\n", - __func__, ar->mac_addr); - - ar->version.wlan_ver = sw_ver; - ar->version.abi_ver = abi_ver; - - snprintf(ar->wiphy->fw_version, - sizeof(ar->wiphy->fw_version), - "%u.%u.%u.%u", - (ar->version.wlan_ver & 0xf0000000) >> 28, - (ar->version.wlan_ver & 0x0f000000) >> 24, - (ar->version.wlan_ver & 0x00ff0000) >> 16, - (ar->version.wlan_ver & 0x0000ffff)); - - /* indicate to the waiting thread that the ready event was received */ - set_bit(WMI_READY, &ar->flag); - wake_up(&ar->event_wq); -} - -void ath6kl_scan_complete_evt(struct ath6kl_vif *vif, int status) -{ - struct ath6kl *ar = vif->ar; - bool aborted = false; - - if (status != WMI_SCAN_STATUS_SUCCESS) - aborted = true; - - ath6kl_cfg80211_scan_complete_event(vif, aborted); - - if (!ar->usr_bss_filter) { - clear_bit(CLEAR_BSSFILTER_ON_BEACON, &vif->flags); - ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx, - NONE_BSS_FILTER, 0); - } - - ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "scan complete: %d\n", status); -} - -void ath6kl_connect_event(struct ath6kl_vif *vif, u16 channel, u8 *bssid, - u16 listen_int, u16 beacon_int, - enum network_type net_type, u8 beacon_ie_len, - u8 assoc_req_len, u8 assoc_resp_len, - u8 *assoc_info) -{ - struct ath6kl *ar = vif->ar; - - ath6kl_cfg80211_connect_event(vif, channel, bssid, - listen_int, beacon_int, - net_type, beacon_ie_len, - assoc_req_len, assoc_resp_len, - assoc_info); - - memcpy(vif->bssid, bssid, sizeof(vif->bssid)); - vif->bss_ch = channel; - - if ((vif->nw_type == INFRA_NETWORK)) - ath6kl_wmi_listeninterval_cmd(ar->wmi, vif->fw_vif_idx, - vif->listen_intvl_t, 0); - - netif_wake_queue(vif->ndev); - - /* Update connect & link status atomically */ - spin_lock_bh(&vif->if_lock); - set_bit(CONNECTED, &vif->flags); - clear_bit(CONNECT_PEND, &vif->flags); - netif_carrier_on(vif->ndev); - spin_unlock_bh(&vif->if_lock); - - aggr_reset_state(vif->aggr_cntxt->aggr_conn); - vif->reconnect_flag = 0; - - if ((vif->nw_type == ADHOC_NETWORK) && ar->ibss_ps_enable) { - memset(ar->node_map, 0, sizeof(ar->node_map)); - ar->node_num = 0; - ar->next_ep_id = ENDPOINT_2; - } - - if (!ar->usr_bss_filter) { - set_bit(CLEAR_BSSFILTER_ON_BEACON, &vif->flags); - ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx, - CURRENT_BSS_FILTER, 0); - } -} - -void ath6kl_tkip_micerr_event(struct ath6kl_vif *vif, u8 keyid, bool ismcast) -{ - struct ath6kl_sta *sta; - struct ath6kl *ar = vif->ar; - u8 tsc[6]; - - /* - * For AP case, keyid will have aid of STA which sent pkt with - * MIC error. Use this aid to get MAC & send it to hostapd. - */ - if (vif->nw_type == AP_NETWORK) { - sta = ath6kl_find_sta_by_aid(ar, (keyid >> 2)); - if (!sta) - return; - - ath6kl_dbg(ATH6KL_DBG_TRC, - "ap tkip mic error received from aid=%d\n", keyid); - - memset(tsc, 0, sizeof(tsc)); /* FIX: get correct TSC */ - cfg80211_michael_mic_failure(vif->ndev, sta->mac, - NL80211_KEYTYPE_PAIRWISE, keyid, - tsc, GFP_KERNEL); - } else - ath6kl_cfg80211_tkip_micerr_event(vif, keyid, ismcast); - -} - -static void ath6kl_update_target_stats(struct ath6kl_vif *vif, u8 *ptr, u32 len) -{ - struct wmi_target_stats *tgt_stats = - (struct wmi_target_stats *) ptr; - struct ath6kl *ar = vif->ar; - struct target_stats *stats = &vif->target_stats; - struct tkip_ccmp_stats *ccmp_stats; - u8 ac; - - if (len < sizeof(*tgt_stats)) - return; - - ath6kl_dbg(ATH6KL_DBG_TRC, "updating target stats\n"); - - stats->tx_pkt += le32_to_cpu(tgt_stats->stats.tx.pkt); - stats->tx_byte += le32_to_cpu(tgt_stats->stats.tx.byte); - stats->tx_ucast_pkt += le32_to_cpu(tgt_stats->stats.tx.ucast_pkt); - stats->tx_ucast_byte += le32_to_cpu(tgt_stats->stats.tx.ucast_byte); - stats->tx_mcast_pkt += le32_to_cpu(tgt_stats->stats.tx.mcast_pkt); - stats->tx_mcast_byte += le32_to_cpu(tgt_stats->stats.tx.mcast_byte); - stats->tx_bcast_pkt += le32_to_cpu(tgt_stats->stats.tx.bcast_pkt); - stats->tx_bcast_byte += le32_to_cpu(tgt_stats->stats.tx.bcast_byte); - stats->tx_rts_success_cnt += - le32_to_cpu(tgt_stats->stats.tx.rts_success_cnt); - - for (ac = 0; ac < WMM_NUM_AC; ac++) - stats->tx_pkt_per_ac[ac] += - le32_to_cpu(tgt_stats->stats.tx.pkt_per_ac[ac]); - - stats->tx_err += le32_to_cpu(tgt_stats->stats.tx.err); - stats->tx_fail_cnt += le32_to_cpu(tgt_stats->stats.tx.fail_cnt); - stats->tx_retry_cnt += le32_to_cpu(tgt_stats->stats.tx.retry_cnt); - stats->tx_mult_retry_cnt += - le32_to_cpu(tgt_stats->stats.tx.mult_retry_cnt); - stats->tx_rts_fail_cnt += - le32_to_cpu(tgt_stats->stats.tx.rts_fail_cnt); - stats->tx_ucast_rate = - ath6kl_wmi_get_rate(a_sle32_to_cpu(tgt_stats->stats.tx.ucast_rate)); - - stats->rx_pkt += le32_to_cpu(tgt_stats->stats.rx.pkt); - stats->rx_byte += le32_to_cpu(tgt_stats->stats.rx.byte); - stats->rx_ucast_pkt += le32_to_cpu(tgt_stats->stats.rx.ucast_pkt); - stats->rx_ucast_byte += le32_to_cpu(tgt_stats->stats.rx.ucast_byte); - stats->rx_mcast_pkt += le32_to_cpu(tgt_stats->stats.rx.mcast_pkt); - stats->rx_mcast_byte += le32_to_cpu(tgt_stats->stats.rx.mcast_byte); - stats->rx_bcast_pkt += le32_to_cpu(tgt_stats->stats.rx.bcast_pkt); - stats->rx_bcast_byte += le32_to_cpu(tgt_stats->stats.rx.bcast_byte); - stats->rx_frgment_pkt += le32_to_cpu(tgt_stats->stats.rx.frgment_pkt); - stats->rx_err += le32_to_cpu(tgt_stats->stats.rx.err); - stats->rx_crc_err += le32_to_cpu(tgt_stats->stats.rx.crc_err); - stats->rx_key_cache_miss += - le32_to_cpu(tgt_stats->stats.rx.key_cache_miss); - stats->rx_decrypt_err += le32_to_cpu(tgt_stats->stats.rx.decrypt_err); - stats->rx_dupl_frame += le32_to_cpu(tgt_stats->stats.rx.dupl_frame); - stats->rx_ucast_rate = - ath6kl_wmi_get_rate(a_sle32_to_cpu(tgt_stats->stats.rx.ucast_rate)); - - ccmp_stats = &tgt_stats->stats.tkip_ccmp_stats; - - stats->tkip_local_mic_fail += - le32_to_cpu(ccmp_stats->tkip_local_mic_fail); - stats->tkip_cnter_measures_invoked += - le32_to_cpu(ccmp_stats->tkip_cnter_measures_invoked); - stats->tkip_fmt_err += le32_to_cpu(ccmp_stats->tkip_fmt_err); - - stats->ccmp_fmt_err += le32_to_cpu(ccmp_stats->ccmp_fmt_err); - stats->ccmp_replays += le32_to_cpu(ccmp_stats->ccmp_replays); - - stats->pwr_save_fail_cnt += - le32_to_cpu(tgt_stats->pm_stats.pwr_save_failure_cnt); - stats->noise_floor_calib = - a_sle32_to_cpu(tgt_stats->noise_floor_calib); - - stats->cs_bmiss_cnt += - le32_to_cpu(tgt_stats->cserv_stats.cs_bmiss_cnt); - stats->cs_low_rssi_cnt += - le32_to_cpu(tgt_stats->cserv_stats.cs_low_rssi_cnt); - stats->cs_connect_cnt += - le16_to_cpu(tgt_stats->cserv_stats.cs_connect_cnt); - stats->cs_discon_cnt += - le16_to_cpu(tgt_stats->cserv_stats.cs_discon_cnt); - - stats->cs_ave_beacon_rssi = - a_sle16_to_cpu(tgt_stats->cserv_stats.cs_ave_beacon_rssi); - - stats->cs_last_roam_msec = - tgt_stats->cserv_stats.cs_last_roam_msec; - stats->cs_snr = tgt_stats->cserv_stats.cs_snr; - stats->cs_rssi = a_sle16_to_cpu(tgt_stats->cserv_stats.cs_rssi); - - stats->lq_val = le32_to_cpu(tgt_stats->lq_val); - - stats->wow_pkt_dropped += - le32_to_cpu(tgt_stats->wow_stats.wow_pkt_dropped); - stats->wow_host_pkt_wakeups += - tgt_stats->wow_stats.wow_host_pkt_wakeups; - stats->wow_host_evt_wakeups += - tgt_stats->wow_stats.wow_host_evt_wakeups; - stats->wow_evt_discarded += - le16_to_cpu(tgt_stats->wow_stats.wow_evt_discarded); - - if (test_bit(STATS_UPDATE_PEND, &vif->flags)) { - clear_bit(STATS_UPDATE_PEND, &vif->flags); - wake_up(&ar->event_wq); - } -} - -static void ath6kl_add_le32(__le32 *var, __le32 val) -{ - *var = cpu_to_le32(le32_to_cpu(*var) + le32_to_cpu(val)); -} - -void ath6kl_tgt_stats_event(struct ath6kl_vif *vif, u8 *ptr, u32 len) -{ - struct wmi_ap_mode_stat *p = (struct wmi_ap_mode_stat *) ptr; - struct ath6kl *ar = vif->ar; - struct wmi_ap_mode_stat *ap = &ar->ap_stats; - struct wmi_per_sta_stat *st_ap, *st_p; - u8 ac; - - if (vif->nw_type == AP_NETWORK) { - if (len < sizeof(*p)) - return; - - for (ac = 0; ac < AP_MAX_NUM_STA; ac++) { - st_ap = &ap->sta[ac]; - st_p = &p->sta[ac]; - - ath6kl_add_le32(&st_ap->tx_bytes, st_p->tx_bytes); - ath6kl_add_le32(&st_ap->tx_pkts, st_p->tx_pkts); - ath6kl_add_le32(&st_ap->tx_error, st_p->tx_error); - ath6kl_add_le32(&st_ap->tx_discard, st_p->tx_discard); - ath6kl_add_le32(&st_ap->rx_bytes, st_p->rx_bytes); - ath6kl_add_le32(&st_ap->rx_pkts, st_p->rx_pkts); - ath6kl_add_le32(&st_ap->rx_error, st_p->rx_error); - ath6kl_add_le32(&st_ap->rx_discard, st_p->rx_discard); - } - - } else { - ath6kl_update_target_stats(vif, ptr, len); - } -} - -void ath6kl_wakeup_event(void *dev) -{ - struct ath6kl *ar = (struct ath6kl *) dev; - - wake_up(&ar->event_wq); -} - -void ath6kl_txpwr_rx_evt(void *devt, u8 tx_pwr) -{ - struct ath6kl *ar = (struct ath6kl *) devt; - - ar->tx_pwr = tx_pwr; - wake_up(&ar->event_wq); -} - -void ath6kl_pspoll_event(struct ath6kl_vif *vif, u8 aid) -{ - struct ath6kl_sta *conn; - struct sk_buff *skb; - bool psq_empty = false; - struct ath6kl *ar = vif->ar; - struct ath6kl_mgmt_buff *mgmt_buf; - - conn = ath6kl_find_sta_by_aid(ar, aid); - - if (!conn) - return; - /* - * Send out a packet queued on ps queue. When the ps queue - * becomes empty update the PVB for this station. - */ - spin_lock_bh(&conn->psq_lock); - psq_empty = skb_queue_empty(&conn->psq) && (conn->mgmt_psq_len == 0); - spin_unlock_bh(&conn->psq_lock); - - if (psq_empty) - /* TODO: Send out a NULL data frame */ - return; - - spin_lock_bh(&conn->psq_lock); - if (conn->mgmt_psq_len > 0) { - mgmt_buf = list_first_entry(&conn->mgmt_psq, - struct ath6kl_mgmt_buff, list); - list_del(&mgmt_buf->list); - conn->mgmt_psq_len--; - spin_unlock_bh(&conn->psq_lock); - - conn->sta_flags |= STA_PS_POLLED; - ath6kl_wmi_send_mgmt_cmd(ar->wmi, vif->fw_vif_idx, - mgmt_buf->id, mgmt_buf->freq, - mgmt_buf->wait, mgmt_buf->buf, - mgmt_buf->len, mgmt_buf->no_cck); - conn->sta_flags &= ~STA_PS_POLLED; - kfree(mgmt_buf); - } else { - skb = skb_dequeue(&conn->psq); - spin_unlock_bh(&conn->psq_lock); - - conn->sta_flags |= STA_PS_POLLED; - ath6kl_data_tx(skb, vif->ndev); - conn->sta_flags &= ~STA_PS_POLLED; - } - - spin_lock_bh(&conn->psq_lock); - psq_empty = skb_queue_empty(&conn->psq) && (conn->mgmt_psq_len == 0); - spin_unlock_bh(&conn->psq_lock); - - if (psq_empty) - ath6kl_wmi_set_pvb_cmd(ar->wmi, vif->fw_vif_idx, conn->aid, 0); -} - -void ath6kl_dtimexpiry_event(struct ath6kl_vif *vif) -{ - bool mcastq_empty = false; - struct sk_buff *skb; - struct ath6kl *ar = vif->ar; - - /* - * If there are no associated STAs, ignore the DTIM expiry event. - * There can be potential race conditions where the last associated - * STA may disconnect & before the host could clear the 'Indicate - * DTIM' request to the firmware, the firmware would have just - * indicated a DTIM expiry event. The race is between 'clear DTIM - * expiry cmd' going from the host to the firmware & the DTIM - * expiry event happening from the firmware to the host. - */ - if (!ar->sta_list_index) - return; - - spin_lock_bh(&ar->mcastpsq_lock); - mcastq_empty = skb_queue_empty(&ar->mcastpsq); - spin_unlock_bh(&ar->mcastpsq_lock); - - if (mcastq_empty) - return; - - /* set the STA flag to dtim_expired for the frame to go out */ - set_bit(DTIM_EXPIRED, &vif->flags); - - spin_lock_bh(&ar->mcastpsq_lock); - while ((skb = skb_dequeue(&ar->mcastpsq)) != NULL) { - spin_unlock_bh(&ar->mcastpsq_lock); - - ath6kl_data_tx(skb, vif->ndev); - - spin_lock_bh(&ar->mcastpsq_lock); - } - spin_unlock_bh(&ar->mcastpsq_lock); - - clear_bit(DTIM_EXPIRED, &vif->flags); - - /* clear the LSB of the BitMapCtl field of the TIM IE */ - ath6kl_wmi_set_pvb_cmd(ar->wmi, vif->fw_vif_idx, MCAST_AID, 0); -} - -void ath6kl_disconnect_event(struct ath6kl_vif *vif, u8 reason, u8 *bssid, - u8 assoc_resp_len, u8 *assoc_info, - u16 prot_reason_status) -{ - struct ath6kl *ar = vif->ar; - - if (vif->nw_type == AP_NETWORK) { - if (!ath6kl_remove_sta(ar, bssid, prot_reason_status)) - return; - - /* if no more associated STAs, empty the mcast PS q */ - if (ar->sta_list_index == 0) { - spin_lock_bh(&ar->mcastpsq_lock); - skb_queue_purge(&ar->mcastpsq); - spin_unlock_bh(&ar->mcastpsq_lock); - - /* clear the LSB of the TIM IE's BitMapCtl field */ - if (test_bit(WMI_READY, &ar->flag)) - ath6kl_wmi_set_pvb_cmd(ar->wmi, vif->fw_vif_idx, - MCAST_AID, 0); - } - - if (!is_broadcast_ether_addr(bssid)) { - /* send event to application */ - cfg80211_del_sta(vif->ndev, bssid, GFP_KERNEL); - } - - if (memcmp(vif->ndev->dev_addr, bssid, ETH_ALEN) == 0) { - memset(vif->wep_key_list, 0, sizeof(vif->wep_key_list)); - clear_bit(CONNECTED, &vif->flags); - } - return; - } - - ath6kl_cfg80211_disconnect_event(vif, reason, bssid, - assoc_resp_len, assoc_info, - prot_reason_status); - - aggr_reset_state(vif->aggr_cntxt->aggr_conn); - - del_timer(&vif->disconnect_timer); - - ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "disconnect reason is %d\n", reason); - - /* - * If the event is due to disconnect cmd from the host, only they - * the target would stop trying to connect. Under any other - * condition, target would keep trying to connect. - */ - if (reason == DISCONNECT_CMD) { - if (!ar->usr_bss_filter && test_bit(WMI_READY, &ar->flag)) - ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx, - NONE_BSS_FILTER, 0); - } else { - set_bit(CONNECT_PEND, &vif->flags); - if (((reason == ASSOC_FAILED) && - (prot_reason_status == 0x11)) || - ((reason == ASSOC_FAILED) && (prot_reason_status == 0x0) && - (vif->reconnect_flag == 1))) { - set_bit(CONNECTED, &vif->flags); - return; - } - } - - /* update connect & link status atomically */ - spin_lock_bh(&vif->if_lock); - clear_bit(CONNECTED, &vif->flags); - netif_carrier_off(vif->ndev); - spin_unlock_bh(&vif->if_lock); - - if ((reason != CSERV_DISCONNECT) || (vif->reconnect_flag != 1)) - vif->reconnect_flag = 0; - - if (reason != CSERV_DISCONNECT) - ar->user_key_ctrl = 0; - - netif_stop_queue(vif->ndev); - memset(vif->bssid, 0, sizeof(vif->bssid)); - vif->bss_ch = 0; - - ath6kl_tx_data_cleanup(ar); -} - -struct ath6kl_vif *ath6kl_vif_first(struct ath6kl *ar) -{ - struct ath6kl_vif *vif; - - spin_lock_bh(&ar->list_lock); - if (list_empty(&ar->vif_list)) { - spin_unlock_bh(&ar->list_lock); - return NULL; - } - - vif = list_first_entry(&ar->vif_list, struct ath6kl_vif, list); - - spin_unlock_bh(&ar->list_lock); - - return vif; -} - -static int ath6kl_open(struct net_device *dev) -{ - struct ath6kl_vif *vif = netdev_priv(dev); - - set_bit(WLAN_ENABLED, &vif->flags); - - if (test_bit(CONNECTED, &vif->flags)) { - netif_carrier_on(dev); - netif_wake_queue(dev); - } else - netif_carrier_off(dev); - - return 0; -} - -static int ath6kl_close(struct net_device *dev) -{ - struct ath6kl_vif *vif = netdev_priv(dev); - - netif_stop_queue(dev); - - ath6kl_cfg80211_stop(vif); - - clear_bit(WLAN_ENABLED, &vif->flags); - - return 0; -} - -static struct net_device_stats *ath6kl_get_stats(struct net_device *dev) -{ - struct ath6kl_vif *vif = netdev_priv(dev); - - return &vif->net_stats; -} - -static int ath6kl_set_features(struct net_device *dev, - netdev_features_t features) -{ - struct ath6kl_vif *vif = netdev_priv(dev); - struct ath6kl *ar = vif->ar; - int err = 0; - - if ((features & NETIF_F_RXCSUM) && - (ar->rx_meta_ver != WMI_META_VERSION_2)) { - ar->rx_meta_ver = WMI_META_VERSION_2; - err = ath6kl_wmi_set_rx_frame_format_cmd(ar->wmi, - vif->fw_vif_idx, - ar->rx_meta_ver, 0, 0); - if (err) { - dev->features = features & ~NETIF_F_RXCSUM; - return err; - } - } else if (!(features & NETIF_F_RXCSUM) && - (ar->rx_meta_ver == WMI_META_VERSION_2)) { - ar->rx_meta_ver = 0; - err = ath6kl_wmi_set_rx_frame_format_cmd(ar->wmi, - vif->fw_vif_idx, - ar->rx_meta_ver, 0, 0); - if (err) { - dev->features = features | NETIF_F_RXCSUM; - return err; - } - - } - - return err; -} - -static void ath6kl_set_multicast_list(struct net_device *ndev) -{ - struct ath6kl_vif *vif = netdev_priv(ndev); - bool mc_all_on = false, mc_all_off = false; - int mc_count = netdev_mc_count(ndev); - struct netdev_hw_addr *ha; - bool found; - struct ath6kl_mc_filter *mc_filter, *tmp; - struct list_head mc_filter_new; - int ret; - - if (!test_bit(WMI_READY, &vif->ar->flag) || - !test_bit(WLAN_ENABLED, &vif->flags)) - return; - - mc_all_on = !!(ndev->flags & IFF_PROMISC) || - !!(ndev->flags & IFF_ALLMULTI) || - !!(mc_count > ATH6K_MAX_MC_FILTERS_PER_LIST); - - mc_all_off = !(ndev->flags & IFF_MULTICAST) || mc_count == 0; - - if (mc_all_on || mc_all_off) { - /* Enable/disable all multicast */ - ath6kl_dbg(ATH6KL_DBG_TRC, "%s multicast filter\n", - mc_all_on ? "enabling" : "disabling"); - ret = ath6kl_wmi_mcast_filter_cmd(vif->ar->wmi, vif->fw_vif_idx, - mc_all_on); - if (ret) - ath6kl_warn("Failed to %s multicast receive\n", - mc_all_on ? "enable" : "disable"); - return; - } - - list_for_each_entry_safe(mc_filter, tmp, &vif->mc_filter, list) { - found = false; - netdev_for_each_mc_addr(ha, ndev) { - if (memcmp(ha->addr, mc_filter->hw_addr, - ATH6KL_MCAST_FILTER_MAC_ADDR_SIZE) == 0) { - found = true; - break; - } - } - - if (!found) { - /* - * Delete the filter which was previously set - * but not in the new request. - */ - ath6kl_dbg(ATH6KL_DBG_TRC, - "Removing %pM from multicast filter\n", - mc_filter->hw_addr); - ret = ath6kl_wmi_add_del_mcast_filter_cmd(vif->ar->wmi, - vif->fw_vif_idx, mc_filter->hw_addr, - false); - if (ret) { - ath6kl_warn("Failed to remove multicast filter:%pM\n", - mc_filter->hw_addr); - return; - } - - list_del(&mc_filter->list); - kfree(mc_filter); - } - } - - INIT_LIST_HEAD(&mc_filter_new); - - netdev_for_each_mc_addr(ha, ndev) { - found = false; - list_for_each_entry(mc_filter, &vif->mc_filter, list) { - if (memcmp(ha->addr, mc_filter->hw_addr, - ATH6KL_MCAST_FILTER_MAC_ADDR_SIZE) == 0) { - found = true; - break; - } - } - - if (!found) { - mc_filter = kzalloc(sizeof(struct ath6kl_mc_filter), - GFP_ATOMIC); - if (!mc_filter) { - WARN_ON(1); - goto out; - } - - memcpy(mc_filter->hw_addr, ha->addr, - ATH6KL_MCAST_FILTER_MAC_ADDR_SIZE); - /* Set the multicast filter */ - ath6kl_dbg(ATH6KL_DBG_TRC, - "Adding %pM to multicast filter list\n", - mc_filter->hw_addr); - ret = ath6kl_wmi_add_del_mcast_filter_cmd(vif->ar->wmi, - vif->fw_vif_idx, mc_filter->hw_addr, - true); - if (ret) { - ath6kl_warn("Failed to add multicast filter :%pM\n", - mc_filter->hw_addr); - kfree(mc_filter); - goto out; - } - - list_add_tail(&mc_filter->list, &mc_filter_new); - } - } - -out: - list_splice_tail(&mc_filter_new, &vif->mc_filter); -} - -static const struct net_device_ops ath6kl_netdev_ops = { - .ndo_open = ath6kl_open, - .ndo_stop = ath6kl_close, - .ndo_start_xmit = ath6kl_data_tx, - .ndo_get_stats = ath6kl_get_stats, - .ndo_set_features = ath6kl_set_features, - .ndo_set_rx_mode = ath6kl_set_multicast_list, -}; - -void init_netdev(struct net_device *dev) -{ - dev->netdev_ops = &ath6kl_netdev_ops; - dev->destructor = free_netdev; - dev->watchdog_timeo = ATH6KL_TX_TIMEOUT; - - dev->needed_headroom = ETH_HLEN; - dev->needed_headroom += sizeof(struct ath6kl_llc_snap_hdr) + - sizeof(struct wmi_data_hdr) + HTC_HDR_LENGTH - + WMI_MAX_TX_META_SZ + ATH6KL_HTC_ALIGN_BYTES; - - dev->hw_features |= NETIF_F_IP_CSUM | NETIF_F_RXCSUM; - - return; -} |