1bdcd8170SKalle Valo /*
2bdcd8170SKalle Valo * Copyright (c) 2004-2011 Atheros Communications Inc.
31b2df407SVasanthakumar Thiagarajan * Copyright (c) 2011-2012 Qualcomm Atheros, Inc.
4bdcd8170SKalle Valo *
5bdcd8170SKalle Valo * Permission to use, copy, modify, and/or distribute this software for any
6bdcd8170SKalle Valo * purpose with or without fee is hereby granted, provided that the above
7bdcd8170SKalle Valo * copyright notice and this permission notice appear in all copies.
8bdcd8170SKalle Valo *
9bdcd8170SKalle Valo * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10bdcd8170SKalle Valo * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11bdcd8170SKalle Valo * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12bdcd8170SKalle Valo * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13bdcd8170SKalle Valo * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14bdcd8170SKalle Valo * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15bdcd8170SKalle Valo * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
16bdcd8170SKalle Valo */
17bdcd8170SKalle Valo
18516304b0SJoe Perches #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
19516304b0SJoe Perches
20bdcd8170SKalle Valo #include "core.h"
21bdcd8170SKalle Valo #include "hif-ops.h"
22bdcd8170SKalle Valo #include "cfg80211.h"
23bdcd8170SKalle Valo #include "target.h"
24bdcd8170SKalle Valo #include "debug.h"
25bdcd8170SKalle Valo
ath6kl_find_sta(struct ath6kl_vif * vif,u8 * node_addr)266765d0aaSVasanthakumar Thiagarajan struct ath6kl_sta *ath6kl_find_sta(struct ath6kl_vif *vif, u8 *node_addr)
27bdcd8170SKalle Valo {
286765d0aaSVasanthakumar Thiagarajan struct ath6kl *ar = vif->ar;
29bdcd8170SKalle Valo struct ath6kl_sta *conn = NULL;
30bdcd8170SKalle Valo u8 i, max_conn;
31bdcd8170SKalle Valo
329d0e2f07SMohammed Shafi Shajakhan if (is_zero_ether_addr(node_addr))
339d0e2f07SMohammed Shafi Shajakhan return NULL;
349d0e2f07SMohammed Shafi Shajakhan
35f5938f24SVasanthakumar Thiagarajan max_conn = (vif->nw_type == AP_NETWORK) ? AP_MAX_NUM_STA : 0;
36bdcd8170SKalle Valo
37bdcd8170SKalle Valo for (i = 0; i < max_conn; i++) {
38bdcd8170SKalle Valo if (memcmp(node_addr, ar->sta_list[i].mac, ETH_ALEN) == 0) {
39bdcd8170SKalle Valo conn = &ar->sta_list[i];
40bdcd8170SKalle Valo break;
41bdcd8170SKalle Valo }
42bdcd8170SKalle Valo }
43bdcd8170SKalle Valo
44bdcd8170SKalle Valo return conn;
45bdcd8170SKalle Valo }
46bdcd8170SKalle Valo
ath6kl_find_sta_by_aid(struct ath6kl * ar,u8 aid)47bdcd8170SKalle Valo struct ath6kl_sta *ath6kl_find_sta_by_aid(struct ath6kl *ar, u8 aid)
48bdcd8170SKalle Valo {
49bdcd8170SKalle Valo struct ath6kl_sta *conn = NULL;
50bdcd8170SKalle Valo u8 ctr;
51bdcd8170SKalle Valo
52bdcd8170SKalle Valo for (ctr = 0; ctr < AP_MAX_NUM_STA; ctr++) {
53bdcd8170SKalle Valo if (ar->sta_list[ctr].aid == aid) {
54bdcd8170SKalle Valo conn = &ar->sta_list[ctr];
55bdcd8170SKalle Valo break;
56bdcd8170SKalle Valo }
57bdcd8170SKalle Valo }
58bdcd8170SKalle Valo return conn;
59bdcd8170SKalle Valo }
60bdcd8170SKalle Valo
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)6117741c8dSVasanthakumar Thiagarajan static void ath6kl_add_new_sta(struct ath6kl_vif *vif, u8 *mac, u16 aid,
6217741c8dSVasanthakumar Thiagarajan u8 *wpaie, size_t ielen, u8 keymgmt,
6317741c8dSVasanthakumar Thiagarajan u8 ucipher, u8 auth, u8 apsd_info)
64bdcd8170SKalle Valo {
6517741c8dSVasanthakumar Thiagarajan struct ath6kl *ar = vif->ar;
66bdcd8170SKalle Valo struct ath6kl_sta *sta;
67bdcd8170SKalle Valo u8 free_slot;
68bdcd8170SKalle Valo
69bdcd8170SKalle Valo free_slot = aid - 1;
70bdcd8170SKalle Valo
71bdcd8170SKalle Valo sta = &ar->sta_list[free_slot];
72bdcd8170SKalle Valo memcpy(sta->mac, mac, ETH_ALEN);
733c774bbaSJouni Malinen if (ielen <= ATH6KL_MAX_IE)
74bdcd8170SKalle Valo memcpy(sta->wpa_ie, wpaie, ielen);
75bdcd8170SKalle Valo sta->aid = aid;
76bdcd8170SKalle Valo sta->keymgmt = keymgmt;
77bdcd8170SKalle Valo sta->ucipher = ucipher;
78bdcd8170SKalle Valo sta->auth = auth;
79c1762a3fSThirumalai Pachamuthu sta->apsd_info = apsd_info;
80bdcd8170SKalle Valo
81bdcd8170SKalle Valo ar->sta_list_index = ar->sta_list_index | (1 << free_slot);
82bdcd8170SKalle Valo ar->ap_stats.sta[free_slot].aid = cpu_to_le32(aid);
83c8651541SVasanthakumar Thiagarajan aggr_conn_init(vif, vif->aggr_cntxt, sta->aggr_conn);
84bdcd8170SKalle Valo }
85bdcd8170SKalle Valo
ath6kl_sta_cleanup(struct ath6kl * ar,u8 i)86bdcd8170SKalle Valo static void ath6kl_sta_cleanup(struct ath6kl *ar, u8 i)
87bdcd8170SKalle Valo {
88bdcd8170SKalle Valo struct ath6kl_sta *sta = &ar->sta_list[i];
89d0ff7383SNaveen Gangadharan struct ath6kl_mgmt_buff *entry, *tmp;
90bdcd8170SKalle Valo
91bdcd8170SKalle Valo /* empty the queued pkts in the PS queue if any */
92bdcd8170SKalle Valo spin_lock_bh(&sta->psq_lock);
93bdcd8170SKalle Valo skb_queue_purge(&sta->psq);
94c1762a3fSThirumalai Pachamuthu skb_queue_purge(&sta->apsdq);
95d0ff7383SNaveen Gangadharan
96d0ff7383SNaveen Gangadharan if (sta->mgmt_psq_len != 0) {
97d0ff7383SNaveen Gangadharan list_for_each_entry_safe(entry, tmp, &sta->mgmt_psq, list) {
98d0ff7383SNaveen Gangadharan kfree(entry);
99d0ff7383SNaveen Gangadharan }
100d0ff7383SNaveen Gangadharan INIT_LIST_HEAD(&sta->mgmt_psq);
101d0ff7383SNaveen Gangadharan sta->mgmt_psq_len = 0;
102d0ff7383SNaveen Gangadharan }
103d0ff7383SNaveen Gangadharan
104bdcd8170SKalle Valo spin_unlock_bh(&sta->psq_lock);
105bdcd8170SKalle Valo
106bdcd8170SKalle Valo memset(&ar->ap_stats.sta[sta->aid - 1], 0,
107bdcd8170SKalle Valo sizeof(struct wmi_per_sta_stat));
10893803b33SJoe Perches eth_zero_addr(sta->mac);
109bdcd8170SKalle Valo memset(sta->wpa_ie, 0, ATH6KL_MAX_IE);
110bdcd8170SKalle Valo sta->aid = 0;
111bdcd8170SKalle Valo sta->sta_flags = 0;
112bdcd8170SKalle Valo
113bdcd8170SKalle Valo ar->sta_list_index = ar->sta_list_index & ~(1 << i);
1141d2a4456SVasanthakumar Thiagarajan aggr_reset_state(sta->aggr_conn);
115bdcd8170SKalle Valo }
116bdcd8170SKalle Valo
ath6kl_remove_sta(struct ath6kl * ar,u8 * mac,u16 reason)117bdcd8170SKalle Valo static u8 ath6kl_remove_sta(struct ath6kl *ar, u8 *mac, u16 reason)
118bdcd8170SKalle Valo {
119bdcd8170SKalle Valo u8 i, removed = 0;
120bdcd8170SKalle Valo
121bdcd8170SKalle Valo if (is_zero_ether_addr(mac))
122bdcd8170SKalle Valo return removed;
123bdcd8170SKalle Valo
124bdcd8170SKalle Valo if (is_broadcast_ether_addr(mac)) {
125bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_TRC, "deleting all station\n");
126bdcd8170SKalle Valo
127bdcd8170SKalle Valo for (i = 0; i < AP_MAX_NUM_STA; i++) {
128bdcd8170SKalle Valo if (!is_zero_ether_addr(ar->sta_list[i].mac)) {
129bdcd8170SKalle Valo ath6kl_sta_cleanup(ar, i);
130bdcd8170SKalle Valo removed = 1;
131bdcd8170SKalle Valo }
132bdcd8170SKalle Valo }
133bdcd8170SKalle Valo } else {
134bdcd8170SKalle Valo for (i = 0; i < AP_MAX_NUM_STA; i++) {
135bdcd8170SKalle Valo if (memcmp(ar->sta_list[i].mac, mac, ETH_ALEN) == 0) {
136bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_TRC,
137bdcd8170SKalle Valo "deleting station %pM aid=%d reason=%d\n",
138bdcd8170SKalle Valo mac, ar->sta_list[i].aid, reason);
139bdcd8170SKalle Valo ath6kl_sta_cleanup(ar, i);
140bdcd8170SKalle Valo removed = 1;
141bdcd8170SKalle Valo break;
142bdcd8170SKalle Valo }
143bdcd8170SKalle Valo }
144bdcd8170SKalle Valo }
145bdcd8170SKalle Valo
146bdcd8170SKalle Valo return removed;
147bdcd8170SKalle Valo }
148bdcd8170SKalle Valo
ath6kl_ac2_endpoint_id(void * devt,u8 ac)149bdcd8170SKalle Valo enum htc_endpoint_id ath6kl_ac2_endpoint_id(void *devt, u8 ac)
150bdcd8170SKalle Valo {
151bdcd8170SKalle Valo struct ath6kl *ar = devt;
152bdcd8170SKalle Valo return ar->ac2ep_map[ac];
153bdcd8170SKalle Valo }
154bdcd8170SKalle Valo
ath6kl_alloc_cookie(struct ath6kl * ar)155bdcd8170SKalle Valo struct ath6kl_cookie *ath6kl_alloc_cookie(struct ath6kl *ar)
156bdcd8170SKalle Valo {
157bdcd8170SKalle Valo struct ath6kl_cookie *cookie;
158bdcd8170SKalle Valo
159bdcd8170SKalle Valo cookie = ar->cookie_list;
160bdcd8170SKalle Valo if (cookie != NULL) {
161bdcd8170SKalle Valo ar->cookie_list = cookie->arc_list_next;
162bdcd8170SKalle Valo ar->cookie_count--;
163bdcd8170SKalle Valo }
164bdcd8170SKalle Valo
165bdcd8170SKalle Valo return cookie;
166bdcd8170SKalle Valo }
167bdcd8170SKalle Valo
ath6kl_cookie_init(struct ath6kl * ar)168bdcd8170SKalle Valo void ath6kl_cookie_init(struct ath6kl *ar)
169bdcd8170SKalle Valo {
170bdcd8170SKalle Valo u32 i;
171bdcd8170SKalle Valo
172bdcd8170SKalle Valo ar->cookie_list = NULL;
173bdcd8170SKalle Valo ar->cookie_count = 0;
174bdcd8170SKalle Valo
175bdcd8170SKalle Valo memset(ar->cookie_mem, 0, sizeof(ar->cookie_mem));
176bdcd8170SKalle Valo
177bdcd8170SKalle Valo for (i = 0; i < MAX_COOKIE_NUM; i++)
178bdcd8170SKalle Valo ath6kl_free_cookie(ar, &ar->cookie_mem[i]);
179bdcd8170SKalle Valo }
180bdcd8170SKalle Valo
ath6kl_cookie_cleanup(struct ath6kl * ar)181bdcd8170SKalle Valo void ath6kl_cookie_cleanup(struct ath6kl *ar)
182bdcd8170SKalle Valo {
183bdcd8170SKalle Valo ar->cookie_list = NULL;
184bdcd8170SKalle Valo ar->cookie_count = 0;
185bdcd8170SKalle Valo }
186bdcd8170SKalle Valo
ath6kl_free_cookie(struct ath6kl * ar,struct ath6kl_cookie * cookie)187bdcd8170SKalle Valo void ath6kl_free_cookie(struct ath6kl *ar, struct ath6kl_cookie *cookie)
188bdcd8170SKalle Valo {
189bdcd8170SKalle Valo /* Insert first */
190bdcd8170SKalle Valo
191bdcd8170SKalle Valo if (!ar || !cookie)
192bdcd8170SKalle Valo return;
193bdcd8170SKalle Valo
194bdcd8170SKalle Valo cookie->arc_list_next = ar->cookie_list;
195bdcd8170SKalle Valo ar->cookie_list = cookie;
196bdcd8170SKalle Valo ar->cookie_count++;
197bdcd8170SKalle Valo }
198bdcd8170SKalle Valo
199bdcd8170SKalle Valo /*
200addb44beSKalle Valo * Read from the hardware through its diagnostic window. No cooperation
201addb44beSKalle Valo * from the firmware is required for this.
202bdcd8170SKalle Valo */
ath6kl_diag_read32(struct ath6kl * ar,u32 address,u32 * value)203addb44beSKalle Valo int ath6kl_diag_read32(struct ath6kl *ar, u32 address, u32 *value)
204bdcd8170SKalle Valo {
205addb44beSKalle Valo int ret;
206bdcd8170SKalle Valo
207c7111495SKalle Valo ret = ath6kl_hif_diag_read32(ar, address, value);
208addb44beSKalle Valo if (ret) {
209addb44beSKalle Valo ath6kl_warn("failed to read32 through diagnose window: %d\n",
210addb44beSKalle Valo ret);
211addb44beSKalle Valo return ret;
212bdcd8170SKalle Valo }
213bdcd8170SKalle Valo
214addb44beSKalle Valo return 0;
215bdcd8170SKalle Valo }
216bdcd8170SKalle Valo
217bdcd8170SKalle Valo /*
218bdcd8170SKalle Valo * Write to the ATH6KL through its diagnostic window. No cooperation from
219bdcd8170SKalle Valo * the Target is required for this.
220bdcd8170SKalle Valo */
ath6kl_diag_write32(struct ath6kl * ar,u32 address,__le32 value)221f9ea0753SVasanthakumar Thiagarajan int ath6kl_diag_write32(struct ath6kl *ar, u32 address, __le32 value)
222bdcd8170SKalle Valo {
223addb44beSKalle Valo int ret;
224bdcd8170SKalle Valo
225c7111495SKalle Valo ret = ath6kl_hif_diag_write32(ar, address, value);
226c7111495SKalle Valo
227addb44beSKalle Valo if (ret) {
22810d49878SHans Wennborg ath6kl_err("failed to write 0x%x during diagnose window to 0x%x\n",
229addb44beSKalle Valo address, value);
230addb44beSKalle Valo return ret;
231bdcd8170SKalle Valo }
232bdcd8170SKalle Valo
233c7111495SKalle Valo return 0;
234bdcd8170SKalle Valo }
235bdcd8170SKalle Valo
ath6kl_diag_read(struct ath6kl * ar,u32 address,void * data,u32 length)236addb44beSKalle Valo int ath6kl_diag_read(struct ath6kl *ar, u32 address, void *data, u32 length)
237bdcd8170SKalle Valo {
238addb44beSKalle Valo u32 count, *buf = data;
239addb44beSKalle Valo int ret;
240bdcd8170SKalle Valo
241addb44beSKalle Valo if (WARN_ON(length % 4))
242addb44beSKalle Valo return -EINVAL;
243addb44beSKalle Valo
244addb44beSKalle Valo for (count = 0; count < length / 4; count++, address += 4) {
245addb44beSKalle Valo ret = ath6kl_diag_read32(ar, address, &buf[count]);
246addb44beSKalle Valo if (ret)
247addb44beSKalle Valo return ret;
248bdcd8170SKalle Valo }
249bdcd8170SKalle Valo
250addb44beSKalle Valo return 0;
251addb44beSKalle Valo }
252addb44beSKalle Valo
ath6kl_diag_write(struct ath6kl * ar,u32 address,void * data,u32 length)253addb44beSKalle Valo int ath6kl_diag_write(struct ath6kl *ar, u32 address, void *data, u32 length)
254addb44beSKalle Valo {
255f9ea0753SVasanthakumar Thiagarajan u32 count;
256f9ea0753SVasanthakumar Thiagarajan __le32 *buf = data;
257addb44beSKalle Valo int ret;
258addb44beSKalle Valo
259addb44beSKalle Valo if (WARN_ON(length % 4))
260addb44beSKalle Valo return -EINVAL;
261addb44beSKalle Valo
262addb44beSKalle Valo for (count = 0; count < length / 4; count++, address += 4) {
263addb44beSKalle Valo ret = ath6kl_diag_write32(ar, address, buf[count]);
264addb44beSKalle Valo if (ret)
265addb44beSKalle Valo return ret;
266addb44beSKalle Valo }
267addb44beSKalle Valo
268addb44beSKalle Valo return 0;
269bdcd8170SKalle Valo }
270bdcd8170SKalle Valo
ath6kl_read_fwlogs(struct ath6kl * ar)271bc07ddb2SKalle Valo int ath6kl_read_fwlogs(struct ath6kl *ar)
272bc07ddb2SKalle Valo {
273bc07ddb2SKalle Valo struct ath6kl_dbglog_hdr debug_hdr;
274bc07ddb2SKalle Valo struct ath6kl_dbglog_buf debug_buf;
275619c9700SColin Ian King u32 address, length, firstbuf, debug_hdr_addr;
276e80ec84dSRaja Mani int ret, loop;
277bc07ddb2SKalle Valo u8 *buf;
278bc07ddb2SKalle Valo
279bc07ddb2SKalle Valo buf = kmalloc(ATH6KL_FWLOG_PAYLOAD_SIZE, GFP_KERNEL);
280bc07ddb2SKalle Valo if (!buf)
281bc07ddb2SKalle Valo return -ENOMEM;
282bc07ddb2SKalle Valo
283bc07ddb2SKalle Valo address = TARG_VTOP(ar->target_type,
284bc07ddb2SKalle Valo ath6kl_get_hi_item_addr(ar,
285bc07ddb2SKalle Valo HI_ITEM(hi_dbglog_hdr)));
286bc07ddb2SKalle Valo
287bc07ddb2SKalle Valo ret = ath6kl_diag_read32(ar, address, &debug_hdr_addr);
288bc07ddb2SKalle Valo if (ret)
289bc07ddb2SKalle Valo goto out;
290bc07ddb2SKalle Valo
291bc07ddb2SKalle Valo /* Get the contents of the ring buffer */
292bc07ddb2SKalle Valo if (debug_hdr_addr == 0) {
293bc07ddb2SKalle Valo ath6kl_warn("Invalid address for debug_hdr_addr\n");
294bc07ddb2SKalle Valo ret = -EINVAL;
295bc07ddb2SKalle Valo goto out;
296bc07ddb2SKalle Valo }
297bc07ddb2SKalle Valo
298bc07ddb2SKalle Valo address = TARG_VTOP(ar->target_type, debug_hdr_addr);
2994aca81bfSPandiyarajan Pitchaimuthu ret = ath6kl_diag_read(ar, address, &debug_hdr, sizeof(debug_hdr));
3004aca81bfSPandiyarajan Pitchaimuthu if (ret)
3014aca81bfSPandiyarajan Pitchaimuthu goto out;
302bc07ddb2SKalle Valo
303bc07ddb2SKalle Valo address = TARG_VTOP(ar->target_type,
304bc07ddb2SKalle Valo le32_to_cpu(debug_hdr.dbuf_addr));
305bc07ddb2SKalle Valo firstbuf = address;
3064aca81bfSPandiyarajan Pitchaimuthu ret = ath6kl_diag_read(ar, address, &debug_buf, sizeof(debug_buf));
3074aca81bfSPandiyarajan Pitchaimuthu if (ret)
3084aca81bfSPandiyarajan Pitchaimuthu goto out;
309bc07ddb2SKalle Valo
310bc07ddb2SKalle Valo loop = 100;
311bc07ddb2SKalle Valo
312bc07ddb2SKalle Valo do {
313bc07ddb2SKalle Valo address = TARG_VTOP(ar->target_type,
314bc07ddb2SKalle Valo le32_to_cpu(debug_buf.buffer_addr));
315bc07ddb2SKalle Valo length = le32_to_cpu(debug_buf.length);
316bc07ddb2SKalle Valo
317bc07ddb2SKalle Valo if (length != 0 && (le32_to_cpu(debug_buf.length) <=
318bc07ddb2SKalle Valo le32_to_cpu(debug_buf.bufsize))) {
319bc07ddb2SKalle Valo length = ALIGN(length, 4);
320bc07ddb2SKalle Valo
321bc07ddb2SKalle Valo ret = ath6kl_diag_read(ar, address,
322bc07ddb2SKalle Valo buf, length);
323bc07ddb2SKalle Valo if (ret)
324bc07ddb2SKalle Valo goto out;
325bc07ddb2SKalle Valo
326bc07ddb2SKalle Valo ath6kl_debug_fwlog_event(ar, buf, length);
327bc07ddb2SKalle Valo }
328bc07ddb2SKalle Valo
329bc07ddb2SKalle Valo address = TARG_VTOP(ar->target_type,
330bc07ddb2SKalle Valo le32_to_cpu(debug_buf.next));
3314aca81bfSPandiyarajan Pitchaimuthu ret = ath6kl_diag_read(ar, address, &debug_buf,
3324aca81bfSPandiyarajan Pitchaimuthu sizeof(debug_buf));
333bc07ddb2SKalle Valo if (ret)
334bc07ddb2SKalle Valo goto out;
335bc07ddb2SKalle Valo
336bc07ddb2SKalle Valo loop--;
337bc07ddb2SKalle Valo
338bc07ddb2SKalle Valo if (WARN_ON(loop == 0)) {
339bc07ddb2SKalle Valo ret = -ETIMEDOUT;
340bc07ddb2SKalle Valo goto out;
341bc07ddb2SKalle Valo }
342bc07ddb2SKalle Valo } while (address != firstbuf);
343bc07ddb2SKalle Valo
344bc07ddb2SKalle Valo out:
345bc07ddb2SKalle Valo kfree(buf);
346bc07ddb2SKalle Valo
347bc07ddb2SKalle Valo return ret;
348bc07ddb2SKalle Valo }
349bc07ddb2SKalle Valo
ath6kl_install_static_wep_keys(struct ath6kl_vif * vif)350240d2799SVasanthakumar Thiagarajan static void ath6kl_install_static_wep_keys(struct ath6kl_vif *vif)
351bdcd8170SKalle Valo {
352bdcd8170SKalle Valo u8 index;
353bdcd8170SKalle Valo u8 keyusage;
354bdcd8170SKalle Valo
355792ecb33SVivek Natarajan for (index = 0; index <= WMI_MAX_KEY_INDEX; index++) {
3566f2a73f9SVasanthakumar Thiagarajan if (vif->wep_key_list[index].key_len) {
357bdcd8170SKalle Valo keyusage = GROUP_USAGE;
3583450334fSVasanthakumar Thiagarajan if (index == vif->def_txkey_index)
359bdcd8170SKalle Valo keyusage |= TX_USAGE;
360bdcd8170SKalle Valo
361240d2799SVasanthakumar Thiagarajan ath6kl_wmi_addkey_cmd(vif->ar->wmi, vif->fw_vif_idx,
362bdcd8170SKalle Valo index,
363bdcd8170SKalle Valo WEP_CRYPT,
364bdcd8170SKalle Valo keyusage,
3656f2a73f9SVasanthakumar Thiagarajan vif->wep_key_list[index].key_len,
366f4bb9a6fSJouni Malinen NULL, 0,
3676f2a73f9SVasanthakumar Thiagarajan vif->wep_key_list[index].key,
368bdcd8170SKalle Valo KEY_OP_INIT_VAL, NULL,
369bdcd8170SKalle Valo NO_SYNC_WMIFLAG);
370bdcd8170SKalle Valo }
371bdcd8170SKalle Valo }
372bdcd8170SKalle Valo }
373bdcd8170SKalle Valo
ath6kl_connect_ap_mode_bss(struct ath6kl_vif * vif,u16 channel)374240d2799SVasanthakumar Thiagarajan void ath6kl_connect_ap_mode_bss(struct ath6kl_vif *vif, u16 channel)
375bdcd8170SKalle Valo {
376240d2799SVasanthakumar Thiagarajan struct ath6kl *ar = vif->ar;
377bdcd8170SKalle Valo struct ath6kl_req_key *ik;
3789a5b1318SJouni Malinen int res;
3799a5b1318SJouni Malinen u8 key_rsc[ATH6KL_KEY_SEQ_LEN];
380bdcd8170SKalle Valo
381bdcd8170SKalle Valo ik = &ar->ap_mode_bkey;
382bdcd8170SKalle Valo
383572e27c0SJouni Malinen ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "AP mode started on %u MHz\n", channel);
3849a5b1318SJouni Malinen
3853450334fSVasanthakumar Thiagarajan switch (vif->auth_mode) {
386bdcd8170SKalle Valo case NONE_AUTH:
3873450334fSVasanthakumar Thiagarajan if (vif->prwise_crypto == WEP_CRYPT)
388240d2799SVasanthakumar Thiagarajan ath6kl_install_static_wep_keys(vif);
3894703290aSJouni Malinen if (!ik->valid || ik->key_type != WAPI_CRYPT)
390bdcd8170SKalle Valo break;
3914703290aSJouni Malinen /* for WAPI, we need to set the delayed group key, continue: */
3928238bf0dSGustavo A. R. Silva fallthrough;
393bdcd8170SKalle Valo case WPA_PSK_AUTH:
394bdcd8170SKalle Valo case WPA2_PSK_AUTH:
395bdcd8170SKalle Valo case (WPA_PSK_AUTH | WPA2_PSK_AUTH):
3969a5b1318SJouni Malinen if (!ik->valid)
397bdcd8170SKalle Valo break;
3989a5b1318SJouni Malinen
399cdeb8602SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
400cdeb8602SKalle Valo "Delayed addkey for the initial group key for AP mode\n");
4019a5b1318SJouni Malinen memset(key_rsc, 0, sizeof(key_rsc));
4029a5b1318SJouni Malinen res = ath6kl_wmi_addkey_cmd(
403334234b5SVasanthakumar Thiagarajan ar->wmi, vif->fw_vif_idx, ik->key_index, ik->key_type,
404f4bb9a6fSJouni Malinen GROUP_USAGE, ik->key_len, key_rsc, ATH6KL_KEY_SEQ_LEN,
405f4bb9a6fSJouni Malinen ik->key,
4069a5b1318SJouni Malinen KEY_OP_INIT_VAL, NULL, SYNC_BOTH_WMIFLAG);
4079a5b1318SJouni Malinen if (res) {
408cdeb8602SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
409cdeb8602SKalle Valo "Delayed addkey failed: %d\n", res);
410bdcd8170SKalle Valo }
411bdcd8170SKalle Valo break;
412bdcd8170SKalle Valo }
4139a5b1318SJouni Malinen
414b5495e66SThomas Pedersen if (ar->last_ch != channel)
415c4f7863eSThomas Pedersen /* we actually don't know the phymode, default to HT20 */
416b5495e66SThomas Pedersen ath6kl_cfg80211_ch_switch_notify(vif, channel, WMI_11G_HT20);
417c4f7863eSThomas Pedersen
418240d2799SVasanthakumar Thiagarajan ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx, NONE_BSS_FILTER, 0);
41959c98449SVasanthakumar Thiagarajan set_bit(CONNECTED, &vif->flags);
420240d2799SVasanthakumar Thiagarajan netif_carrier_on(vif->ndev);
421bdcd8170SKalle Valo }
422bdcd8170SKalle Valo
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)423240d2799SVasanthakumar Thiagarajan void ath6kl_connect_ap_mode_sta(struct ath6kl_vif *vif, u16 aid, u8 *mac_addr,
424572e27c0SJouni Malinen u8 keymgmt, u8 ucipher, u8 auth,
425c1762a3fSThirumalai Pachamuthu u8 assoc_req_len, u8 *assoc_info, u8 apsd_info)
426572e27c0SJouni Malinen {
427572e27c0SJouni Malinen u8 *ies = NULL, *wpa_ie = NULL, *pos;
428572e27c0SJouni Malinen size_t ies_len = 0;
42941bd3d58SToke Høiland-Jørgensen struct station_info *sinfo;
430572e27c0SJouni Malinen
431572e27c0SJouni Malinen ath6kl_dbg(ATH6KL_DBG_TRC, "new station %pM aid=%d\n", mac_addr, aid);
432bdcd8170SKalle Valo
43354f9ab7bSDan Carpenter if (aid < 1 || aid > AP_MAX_NUM_STA)
43454f9ab7bSDan Carpenter return;
43554f9ab7bSDan Carpenter
4363c774bbaSJouni Malinen if (assoc_req_len > sizeof(struct ieee80211_hdr_3addr)) {
4373c774bbaSJouni Malinen struct ieee80211_mgmt *mgmt =
4383c774bbaSJouni Malinen (struct ieee80211_mgmt *) assoc_info;
4393c774bbaSJouni Malinen if (ieee80211_is_assoc_req(mgmt->frame_control) &&
4403c774bbaSJouni Malinen assoc_req_len >= sizeof(struct ieee80211_hdr_3addr) +
4413c774bbaSJouni Malinen sizeof(mgmt->u.assoc_req)) {
4423c774bbaSJouni Malinen ies = mgmt->u.assoc_req.variable;
4433c774bbaSJouni Malinen ies_len = assoc_info + assoc_req_len - ies;
4443c774bbaSJouni Malinen } else if (ieee80211_is_reassoc_req(mgmt->frame_control) &&
4453c774bbaSJouni Malinen assoc_req_len >= sizeof(struct ieee80211_hdr_3addr)
4463c774bbaSJouni Malinen + sizeof(mgmt->u.reassoc_req)) {
4473c774bbaSJouni Malinen ies = mgmt->u.reassoc_req.variable;
4483c774bbaSJouni Malinen ies_len = assoc_info + assoc_req_len - ies;
4493c774bbaSJouni Malinen }
4503c774bbaSJouni Malinen }
4513c774bbaSJouni Malinen
4523c774bbaSJouni Malinen pos = ies;
4533c774bbaSJouni Malinen while (pos && pos + 1 < ies + ies_len) {
4543c774bbaSJouni Malinen if (pos + 2 + pos[1] > ies + ies_len)
4553c774bbaSJouni Malinen break;
4563c774bbaSJouni Malinen if (pos[0] == WLAN_EID_RSN)
4573c774bbaSJouni Malinen wpa_ie = pos; /* RSN IE */
4583c774bbaSJouni Malinen else if (pos[0] == WLAN_EID_VENDOR_SPECIFIC &&
4593c774bbaSJouni Malinen pos[1] >= 4 &&
4603c774bbaSJouni Malinen pos[2] == 0x00 && pos[3] == 0x50 && pos[4] == 0xf2) {
4613c774bbaSJouni Malinen if (pos[5] == 0x01)
4623c774bbaSJouni Malinen wpa_ie = pos; /* WPA IE */
4633c774bbaSJouni Malinen else if (pos[5] == 0x04) {
4643c774bbaSJouni Malinen wpa_ie = pos; /* WPS IE */
4653c774bbaSJouni Malinen break; /* overrides WPA/RSN IE */
4663c774bbaSJouni Malinen }
46730677ae0SDai Shuibing } else if (pos[0] == 0x44 && wpa_ie == NULL) {
46830677ae0SDai Shuibing /*
46930677ae0SDai Shuibing * Note: WAPI Parameter Set IE re-uses Element ID that
47030677ae0SDai Shuibing * was officially allocated for BSS AC Access Delay. As
47130677ae0SDai Shuibing * such, we need to be a bit more careful on when
47230677ae0SDai Shuibing * parsing the frame. However, BSS AC Access Delay
47330677ae0SDai Shuibing * element is not supposed to be included in
47430677ae0SDai Shuibing * (Re)Association Request frames, so this should not
47530677ae0SDai Shuibing * cause problems.
47630677ae0SDai Shuibing */
47730677ae0SDai Shuibing wpa_ie = pos; /* WAPI IE */
47830677ae0SDai Shuibing break;
4793c774bbaSJouni Malinen }
4803c774bbaSJouni Malinen pos += 2 + pos[1];
4813c774bbaSJouni Malinen }
4823c774bbaSJouni Malinen
48317741c8dSVasanthakumar Thiagarajan ath6kl_add_new_sta(vif, mac_addr, aid, wpa_ie,
4843c774bbaSJouni Malinen wpa_ie ? 2 + wpa_ie[1] : 0,
485c1762a3fSThirumalai Pachamuthu keymgmt, ucipher, auth, apsd_info);
486bdcd8170SKalle Valo
487bdcd8170SKalle Valo /* send event to application */
48841bd3d58SToke Høiland-Jørgensen sinfo = kzalloc(sizeof(*sinfo), GFP_KERNEL);
48941bd3d58SToke Høiland-Jørgensen if (!sinfo)
49041bd3d58SToke Høiland-Jørgensen return;
491bdcd8170SKalle Valo
492bdcd8170SKalle Valo /* TODO: sinfo.generation */
4933c774bbaSJouni Malinen
49441bd3d58SToke Høiland-Jørgensen sinfo->assoc_req_ies = ies;
49541bd3d58SToke Høiland-Jørgensen sinfo->assoc_req_ies_len = ies_len;
4963c774bbaSJouni Malinen
49741bd3d58SToke Høiland-Jørgensen cfg80211_new_sta(vif->ndev, mac_addr, sinfo, GFP_KERNEL);
498bdcd8170SKalle Valo
499240d2799SVasanthakumar Thiagarajan netif_wake_queue(vif->ndev);
50041bd3d58SToke Høiland-Jørgensen
50141bd3d58SToke Høiland-Jørgensen kfree(sinfo);
502bdcd8170SKalle Valo }
503bdcd8170SKalle Valo
disconnect_timer_handler(struct timer_list * t)5047ac76764SKees Cook void disconnect_timer_handler(struct timer_list *t)
505bdcd8170SKalle Valo {
5067ac76764SKees Cook struct ath6kl_vif *vif = from_timer(vif, t, disconnect_timer);
507bdcd8170SKalle Valo
508e29f25f5SVasanthakumar Thiagarajan ath6kl_init_profile_info(vif);
509240d2799SVasanthakumar Thiagarajan ath6kl_disconnect(vif);
510bdcd8170SKalle Valo }
511bdcd8170SKalle Valo
ath6kl_disconnect(struct ath6kl_vif * vif)512240d2799SVasanthakumar Thiagarajan void ath6kl_disconnect(struct ath6kl_vif *vif)
513bdcd8170SKalle Valo {
51459c98449SVasanthakumar Thiagarajan if (test_bit(CONNECTED, &vif->flags) ||
51559c98449SVasanthakumar Thiagarajan test_bit(CONNECT_PEND, &vif->flags)) {
516240d2799SVasanthakumar Thiagarajan ath6kl_wmi_disconnect_cmd(vif->ar->wmi, vif->fw_vif_idx);
517bdcd8170SKalle Valo /*
518bdcd8170SKalle Valo * Disconnect command is issued, clear the connect pending
519bdcd8170SKalle Valo * flag. The connected flag will be cleared in
520bdcd8170SKalle Valo * disconnect event notification.
521bdcd8170SKalle Valo */
52259c98449SVasanthakumar Thiagarajan clear_bit(CONNECT_PEND, &vif->flags);
523bdcd8170SKalle Valo }
524bdcd8170SKalle Valo }
525bdcd8170SKalle Valo
526bdcd8170SKalle Valo /* WMI Event handlers */
527bdcd8170SKalle Valo
ath6kl_ready_event(void * devt,u8 * datap,u32 sw_ver,u32 abi_ver,enum wmi_phy_cap cap)528d92917e4SThomas Pedersen void ath6kl_ready_event(void *devt, u8 *datap, u32 sw_ver, u32 abi_ver,
529d92917e4SThomas Pedersen enum wmi_phy_cap cap)
530bdcd8170SKalle Valo {
531bdcd8170SKalle Valo struct ath6kl *ar = devt;
532bdcd8170SKalle Valo
533d66ea4f9SVasanthakumar Thiagarajan memcpy(ar->mac_addr, datap, ETH_ALEN);
534b5b6f6a9SNaveen Singh
535b5b6f6a9SNaveen Singh ath6kl_dbg(ATH6KL_DBG_BOOT,
536b5b6f6a9SNaveen Singh "ready event mac addr %pM sw_ver 0x%x abi_ver 0x%x cap 0x%x\n",
537b5b6f6a9SNaveen Singh ar->mac_addr, sw_ver, abi_ver, cap);
538bdcd8170SKalle Valo
539bdcd8170SKalle Valo ar->version.wlan_ver = sw_ver;
540bdcd8170SKalle Valo ar->version.abi_ver = abi_ver;
541d92917e4SThomas Pedersen ar->hw.cap = cap;
542bdcd8170SKalle Valo
543b5b6f6a9SNaveen Singh if (strlen(ar->wiphy->fw_version) == 0) {
544be98e3a4SVasanthakumar Thiagarajan snprintf(ar->wiphy->fw_version,
545be98e3a4SVasanthakumar Thiagarajan sizeof(ar->wiphy->fw_version),
546bdcd8170SKalle Valo "%u.%u.%u.%u",
547bdcd8170SKalle Valo (ar->version.wlan_ver & 0xf0000000) >> 28,
548bdcd8170SKalle Valo (ar->version.wlan_ver & 0x0f000000) >> 24,
549bdcd8170SKalle Valo (ar->version.wlan_ver & 0x00ff0000) >> 16,
550bdcd8170SKalle Valo (ar->version.wlan_ver & 0x0000ffff));
551b5b6f6a9SNaveen Singh }
552bdcd8170SKalle Valo
553bdcd8170SKalle Valo /* indicate to the waiting thread that the ready event was received */
554bdcd8170SKalle Valo set_bit(WMI_READY, &ar->flag);
555bdcd8170SKalle Valo wake_up(&ar->event_wq);
5565fe4dffbSKalle Valo }
557bdcd8170SKalle Valo
ath6kl_scan_complete_evt(struct ath6kl_vif * vif,int status)558240d2799SVasanthakumar Thiagarajan void ath6kl_scan_complete_evt(struct ath6kl_vif *vif, int status)
559bdcd8170SKalle Valo {
560240d2799SVasanthakumar Thiagarajan struct ath6kl *ar = vif->ar;
5611c17d313SKalle Valo bool aborted = false;
56259c98449SVasanthakumar Thiagarajan
5631c17d313SKalle Valo if (status != WMI_SCAN_STATUS_SUCCESS)
5641c17d313SKalle Valo aborted = true;
5651c17d313SKalle Valo
5661c17d313SKalle Valo ath6kl_cfg80211_scan_complete_event(vif, aborted);
567bdcd8170SKalle Valo
568551185caSJouni Malinen if (!ar->usr_bss_filter) {
56959c98449SVasanthakumar Thiagarajan clear_bit(CLEAR_BSSFILTER_ON_BEACON, &vif->flags);
570240d2799SVasanthakumar Thiagarajan ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx,
571240d2799SVasanthakumar Thiagarajan NONE_BSS_FILTER, 0);
572551185caSJouni Malinen }
573bdcd8170SKalle Valo
574d23ace77SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "scan complete: %d\n", status);
575bdcd8170SKalle Valo }
576bdcd8170SKalle Valo
ath6kl_commit_ch_switch(struct ath6kl_vif * vif,u16 channel)577c4f7863eSThomas Pedersen static int ath6kl_commit_ch_switch(struct ath6kl_vif *vif, u16 channel)
578c4f7863eSThomas Pedersen {
579c4f7863eSThomas Pedersen struct ath6kl *ar = vif->ar;
580c4f7863eSThomas Pedersen
581c4f7863eSThomas Pedersen vif->profile.ch = cpu_to_le16(channel);
582c4f7863eSThomas Pedersen
583c4f7863eSThomas Pedersen switch (vif->nw_type) {
584c4f7863eSThomas Pedersen case AP_NETWORK:
585f21243a8SThomas Pedersen /*
586f21243a8SThomas Pedersen * reconfigure any saved RSN IE capabilites in the beacon /
587f21243a8SThomas Pedersen * probe response to stay in sync with the supplicant.
588f21243a8SThomas Pedersen */
589f21243a8SThomas Pedersen if (vif->rsn_capab &&
590f21243a8SThomas Pedersen test_bit(ATH6KL_FW_CAPABILITY_RSN_CAP_OVERRIDE,
591f21243a8SThomas Pedersen ar->fw_capabilities))
592f21243a8SThomas Pedersen ath6kl_wmi_set_ie_cmd(ar->wmi, vif->fw_vif_idx,
593f21243a8SThomas Pedersen WLAN_EID_RSN, WMI_RSN_IE_CAPB,
594f21243a8SThomas Pedersen (const u8 *) &vif->rsn_capab,
595f21243a8SThomas Pedersen sizeof(vif->rsn_capab));
596f21243a8SThomas Pedersen
597c4f7863eSThomas Pedersen return ath6kl_wmi_ap_profile_commit(ar->wmi, vif->fw_vif_idx,
598c4f7863eSThomas Pedersen &vif->profile);
599c4f7863eSThomas Pedersen default:
600c4f7863eSThomas Pedersen ath6kl_err("won't switch channels nw_type=%d\n", vif->nw_type);
601c4f7863eSThomas Pedersen return -ENOTSUPP;
602c4f7863eSThomas Pedersen }
603c4f7863eSThomas Pedersen }
604c4f7863eSThomas Pedersen
ath6kl_check_ch_switch(struct ath6kl * ar,u16 channel)605c4f7863eSThomas Pedersen static void ath6kl_check_ch_switch(struct ath6kl *ar, u16 channel)
606c4f7863eSThomas Pedersen {
607c4f7863eSThomas Pedersen struct ath6kl_vif *vif;
608c4f7863eSThomas Pedersen int res = 0;
609c4f7863eSThomas Pedersen
610c4f7863eSThomas Pedersen if (!ar->want_ch_switch)
611c4f7863eSThomas Pedersen return;
612c4f7863eSThomas Pedersen
613c4f7863eSThomas Pedersen spin_lock_bh(&ar->list_lock);
614c4f7863eSThomas Pedersen list_for_each_entry(vif, &ar->vif_list, list) {
615c4f7863eSThomas Pedersen if (ar->want_ch_switch & (1 << vif->fw_vif_idx))
616c4f7863eSThomas Pedersen res = ath6kl_commit_ch_switch(vif, channel);
617c4f7863eSThomas Pedersen
618b5495e66SThomas Pedersen /* if channel switch failed, oh well we tried */
619b5495e66SThomas Pedersen ar->want_ch_switch &= ~(1 << vif->fw_vif_idx);
620b5495e66SThomas Pedersen
621c4f7863eSThomas Pedersen if (res)
622c4f7863eSThomas Pedersen ath6kl_err("channel switch failed nw_type %d res %d\n",
623c4f7863eSThomas Pedersen vif->nw_type, res);
624c4f7863eSThomas Pedersen }
625c4f7863eSThomas Pedersen spin_unlock_bh(&ar->list_lock);
626c4f7863eSThomas Pedersen }
627c4f7863eSThomas Pedersen
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)628240d2799SVasanthakumar Thiagarajan void ath6kl_connect_event(struct ath6kl_vif *vif, u16 channel, u8 *bssid,
629bdcd8170SKalle Valo u16 listen_int, u16 beacon_int,
630bdcd8170SKalle Valo enum network_type net_type, u8 beacon_ie_len,
631bdcd8170SKalle Valo u8 assoc_req_len, u8 assoc_resp_len,
632bdcd8170SKalle Valo u8 *assoc_info)
633bdcd8170SKalle Valo {
634240d2799SVasanthakumar Thiagarajan struct ath6kl *ar = vif->ar;
63559c98449SVasanthakumar Thiagarajan
636240d2799SVasanthakumar Thiagarajan ath6kl_cfg80211_connect_event(vif, channel, bssid,
637bdcd8170SKalle Valo listen_int, beacon_int,
638bdcd8170SKalle Valo net_type, beacon_ie_len,
639bdcd8170SKalle Valo assoc_req_len, assoc_resp_len,
640bdcd8170SKalle Valo assoc_info);
641bdcd8170SKalle Valo
6428c8b65e3SVasanthakumar Thiagarajan memcpy(vif->bssid, bssid, sizeof(vif->bssid));
643f74bac54SVasanthakumar Thiagarajan vif->bss_ch = channel;
644bdcd8170SKalle Valo
6454ac1f003SVarsha Rao if (vif->nw_type == INFRA_NETWORK) {
646334234b5SVasanthakumar Thiagarajan ath6kl_wmi_listeninterval_cmd(ar->wmi, vif->fw_vif_idx,
6478f46fccdSRaja Mani vif->listen_intvl_t, 0);
648c4f7863eSThomas Pedersen ath6kl_check_ch_switch(ar, channel);
649c4f7863eSThomas Pedersen }
650bdcd8170SKalle Valo
651240d2799SVasanthakumar Thiagarajan netif_wake_queue(vif->ndev);
652bdcd8170SKalle Valo
653bdcd8170SKalle Valo /* Update connect & link status atomically */
654478ac027SVasanthakumar Thiagarajan spin_lock_bh(&vif->if_lock);
65559c98449SVasanthakumar Thiagarajan set_bit(CONNECTED, &vif->flags);
65659c98449SVasanthakumar Thiagarajan clear_bit(CONNECT_PEND, &vif->flags);
657240d2799SVasanthakumar Thiagarajan netif_carrier_on(vif->ndev);
658478ac027SVasanthakumar Thiagarajan spin_unlock_bh(&vif->if_lock);
659bdcd8170SKalle Valo
6601d2a4456SVasanthakumar Thiagarajan aggr_reset_state(vif->aggr_cntxt->aggr_conn);
661cf5333d7SVasanthakumar Thiagarajan vif->reconnect_flag = 0;
662bdcd8170SKalle Valo
663f5938f24SVasanthakumar Thiagarajan if ((vif->nw_type == ADHOC_NETWORK) && ar->ibss_ps_enable) {
664bdcd8170SKalle Valo memset(ar->node_map, 0, sizeof(ar->node_map));
665bdcd8170SKalle Valo ar->node_num = 0;
666bdcd8170SKalle Valo ar->next_ep_id = ENDPOINT_2;
667bdcd8170SKalle Valo }
668bdcd8170SKalle Valo
669551185caSJouni Malinen if (!ar->usr_bss_filter) {
67059c98449SVasanthakumar Thiagarajan set_bit(CLEAR_BSSFILTER_ON_BEACON, &vif->flags);
671240d2799SVasanthakumar Thiagarajan ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx,
672240d2799SVasanthakumar Thiagarajan CURRENT_BSS_FILTER, 0);
673551185caSJouni Malinen }
674bdcd8170SKalle Valo }
675bdcd8170SKalle Valo
ath6kl_tkip_micerr_event(struct ath6kl_vif * vif,u8 keyid,bool ismcast)676240d2799SVasanthakumar Thiagarajan void ath6kl_tkip_micerr_event(struct ath6kl_vif *vif, u8 keyid, bool ismcast)
677bdcd8170SKalle Valo {
678bdcd8170SKalle Valo struct ath6kl_sta *sta;
679240d2799SVasanthakumar Thiagarajan struct ath6kl *ar = vif->ar;
680bdcd8170SKalle Valo u8 tsc[6];
681240d2799SVasanthakumar Thiagarajan
682bdcd8170SKalle Valo /*
683bdcd8170SKalle Valo * For AP case, keyid will have aid of STA which sent pkt with
684bdcd8170SKalle Valo * MIC error. Use this aid to get MAC & send it to hostapd.
685bdcd8170SKalle Valo */
686f5938f24SVasanthakumar Thiagarajan if (vif->nw_type == AP_NETWORK) {
687bdcd8170SKalle Valo sta = ath6kl_find_sta_by_aid(ar, (keyid >> 2));
688bdcd8170SKalle Valo if (!sta)
689bdcd8170SKalle Valo return;
690bdcd8170SKalle Valo
691bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_TRC,
692bdcd8170SKalle Valo "ap tkip mic error received from aid=%d\n", keyid);
693bdcd8170SKalle Valo
694bdcd8170SKalle Valo memset(tsc, 0, sizeof(tsc)); /* FIX: get correct TSC */
695240d2799SVasanthakumar Thiagarajan cfg80211_michael_mic_failure(vif->ndev, sta->mac,
696bdcd8170SKalle Valo NL80211_KEYTYPE_PAIRWISE, keyid,
697bdcd8170SKalle Valo tsc, GFP_KERNEL);
698a5d8f9dfSKalle Valo } else {
699240d2799SVasanthakumar Thiagarajan ath6kl_cfg80211_tkip_micerr_event(vif, keyid, ismcast);
700bdcd8170SKalle Valo }
701a5d8f9dfSKalle Valo }
702bdcd8170SKalle Valo
ath6kl_update_target_stats(struct ath6kl_vif * vif,u8 * ptr,u32 len)703240d2799SVasanthakumar Thiagarajan static void ath6kl_update_target_stats(struct ath6kl_vif *vif, u8 *ptr, u32 len)
704bdcd8170SKalle Valo {
705bdcd8170SKalle Valo struct wmi_target_stats *tgt_stats =
706bdcd8170SKalle Valo (struct wmi_target_stats *) ptr;
707240d2799SVasanthakumar Thiagarajan struct ath6kl *ar = vif->ar;
708b95907a7SVasanthakumar Thiagarajan struct target_stats *stats = &vif->target_stats;
709bdcd8170SKalle Valo struct tkip_ccmp_stats *ccmp_stats;
710c1d32d30SJessica Wu s32 rate;
711bdcd8170SKalle Valo u8 ac;
712bdcd8170SKalle Valo
713bdcd8170SKalle Valo if (len < sizeof(*tgt_stats))
714bdcd8170SKalle Valo return;
715bdcd8170SKalle Valo
716bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_TRC, "updating target stats\n");
717bdcd8170SKalle Valo
718bdcd8170SKalle Valo stats->tx_pkt += le32_to_cpu(tgt_stats->stats.tx.pkt);
719bdcd8170SKalle Valo stats->tx_byte += le32_to_cpu(tgt_stats->stats.tx.byte);
720bdcd8170SKalle Valo stats->tx_ucast_pkt += le32_to_cpu(tgt_stats->stats.tx.ucast_pkt);
721bdcd8170SKalle Valo stats->tx_ucast_byte += le32_to_cpu(tgt_stats->stats.tx.ucast_byte);
722bdcd8170SKalle Valo stats->tx_mcast_pkt += le32_to_cpu(tgt_stats->stats.tx.mcast_pkt);
723bdcd8170SKalle Valo stats->tx_mcast_byte += le32_to_cpu(tgt_stats->stats.tx.mcast_byte);
724bdcd8170SKalle Valo stats->tx_bcast_pkt += le32_to_cpu(tgt_stats->stats.tx.bcast_pkt);
725bdcd8170SKalle Valo stats->tx_bcast_byte += le32_to_cpu(tgt_stats->stats.tx.bcast_byte);
726bdcd8170SKalle Valo stats->tx_rts_success_cnt +=
727bdcd8170SKalle Valo le32_to_cpu(tgt_stats->stats.tx.rts_success_cnt);
728bdcd8170SKalle Valo
729bdcd8170SKalle Valo for (ac = 0; ac < WMM_NUM_AC; ac++)
730bdcd8170SKalle Valo stats->tx_pkt_per_ac[ac] +=
731bdcd8170SKalle Valo le32_to_cpu(tgt_stats->stats.tx.pkt_per_ac[ac]);
732bdcd8170SKalle Valo
733bdcd8170SKalle Valo stats->tx_err += le32_to_cpu(tgt_stats->stats.tx.err);
734bdcd8170SKalle Valo stats->tx_fail_cnt += le32_to_cpu(tgt_stats->stats.tx.fail_cnt);
735bdcd8170SKalle Valo stats->tx_retry_cnt += le32_to_cpu(tgt_stats->stats.tx.retry_cnt);
736bdcd8170SKalle Valo stats->tx_mult_retry_cnt +=
737bdcd8170SKalle Valo le32_to_cpu(tgt_stats->stats.tx.mult_retry_cnt);
738bdcd8170SKalle Valo stats->tx_rts_fail_cnt +=
739bdcd8170SKalle Valo le32_to_cpu(tgt_stats->stats.tx.rts_fail_cnt);
740c1d32d30SJessica Wu
741c1d32d30SJessica Wu rate = a_sle32_to_cpu(tgt_stats->stats.tx.ucast_rate);
742c1d32d30SJessica Wu stats->tx_ucast_rate = ath6kl_wmi_get_rate(ar->wmi, rate);
743bdcd8170SKalle Valo
744bdcd8170SKalle Valo stats->rx_pkt += le32_to_cpu(tgt_stats->stats.rx.pkt);
745bdcd8170SKalle Valo stats->rx_byte += le32_to_cpu(tgt_stats->stats.rx.byte);
746bdcd8170SKalle Valo stats->rx_ucast_pkt += le32_to_cpu(tgt_stats->stats.rx.ucast_pkt);
747bdcd8170SKalle Valo stats->rx_ucast_byte += le32_to_cpu(tgt_stats->stats.rx.ucast_byte);
748bdcd8170SKalle Valo stats->rx_mcast_pkt += le32_to_cpu(tgt_stats->stats.rx.mcast_pkt);
749bdcd8170SKalle Valo stats->rx_mcast_byte += le32_to_cpu(tgt_stats->stats.rx.mcast_byte);
750bdcd8170SKalle Valo stats->rx_bcast_pkt += le32_to_cpu(tgt_stats->stats.rx.bcast_pkt);
751bdcd8170SKalle Valo stats->rx_bcast_byte += le32_to_cpu(tgt_stats->stats.rx.bcast_byte);
752bdcd8170SKalle Valo stats->rx_frgment_pkt += le32_to_cpu(tgt_stats->stats.rx.frgment_pkt);
753bdcd8170SKalle Valo stats->rx_err += le32_to_cpu(tgt_stats->stats.rx.err);
754bdcd8170SKalle Valo stats->rx_crc_err += le32_to_cpu(tgt_stats->stats.rx.crc_err);
755bdcd8170SKalle Valo stats->rx_key_cache_miss +=
756bdcd8170SKalle Valo le32_to_cpu(tgt_stats->stats.rx.key_cache_miss);
757bdcd8170SKalle Valo stats->rx_decrypt_err += le32_to_cpu(tgt_stats->stats.rx.decrypt_err);
758bdcd8170SKalle Valo stats->rx_dupl_frame += le32_to_cpu(tgt_stats->stats.rx.dupl_frame);
759c1d32d30SJessica Wu
760c1d32d30SJessica Wu rate = a_sle32_to_cpu(tgt_stats->stats.rx.ucast_rate);
761c1d32d30SJessica Wu stats->rx_ucast_rate = ath6kl_wmi_get_rate(ar->wmi, rate);
762bdcd8170SKalle Valo
763bdcd8170SKalle Valo ccmp_stats = &tgt_stats->stats.tkip_ccmp_stats;
764bdcd8170SKalle Valo
765bdcd8170SKalle Valo stats->tkip_local_mic_fail +=
766bdcd8170SKalle Valo le32_to_cpu(ccmp_stats->tkip_local_mic_fail);
767bdcd8170SKalle Valo stats->tkip_cnter_measures_invoked +=
768bdcd8170SKalle Valo le32_to_cpu(ccmp_stats->tkip_cnter_measures_invoked);
769bdcd8170SKalle Valo stats->tkip_fmt_err += le32_to_cpu(ccmp_stats->tkip_fmt_err);
770bdcd8170SKalle Valo
771bdcd8170SKalle Valo stats->ccmp_fmt_err += le32_to_cpu(ccmp_stats->ccmp_fmt_err);
772bdcd8170SKalle Valo stats->ccmp_replays += le32_to_cpu(ccmp_stats->ccmp_replays);
773bdcd8170SKalle Valo
774bdcd8170SKalle Valo stats->pwr_save_fail_cnt +=
775bdcd8170SKalle Valo le32_to_cpu(tgt_stats->pm_stats.pwr_save_failure_cnt);
776bdcd8170SKalle Valo stats->noise_floor_calib =
777bdcd8170SKalle Valo a_sle32_to_cpu(tgt_stats->noise_floor_calib);
778bdcd8170SKalle Valo
779bdcd8170SKalle Valo stats->cs_bmiss_cnt +=
780bdcd8170SKalle Valo le32_to_cpu(tgt_stats->cserv_stats.cs_bmiss_cnt);
781bdcd8170SKalle Valo stats->cs_low_rssi_cnt +=
782bdcd8170SKalle Valo le32_to_cpu(tgt_stats->cserv_stats.cs_low_rssi_cnt);
783bdcd8170SKalle Valo stats->cs_connect_cnt +=
784bdcd8170SKalle Valo le16_to_cpu(tgt_stats->cserv_stats.cs_connect_cnt);
785bdcd8170SKalle Valo stats->cs_discon_cnt +=
786bdcd8170SKalle Valo le16_to_cpu(tgt_stats->cserv_stats.cs_discon_cnt);
787bdcd8170SKalle Valo
788bdcd8170SKalle Valo stats->cs_ave_beacon_rssi =
789bdcd8170SKalle Valo a_sle16_to_cpu(tgt_stats->cserv_stats.cs_ave_beacon_rssi);
790bdcd8170SKalle Valo
791bdcd8170SKalle Valo stats->cs_last_roam_msec =
792bdcd8170SKalle Valo tgt_stats->cserv_stats.cs_last_roam_msec;
793bdcd8170SKalle Valo stats->cs_snr = tgt_stats->cserv_stats.cs_snr;
794bdcd8170SKalle Valo stats->cs_rssi = a_sle16_to_cpu(tgt_stats->cserv_stats.cs_rssi);
795bdcd8170SKalle Valo
796bdcd8170SKalle Valo stats->lq_val = le32_to_cpu(tgt_stats->lq_val);
797bdcd8170SKalle Valo
798bdcd8170SKalle Valo stats->wow_pkt_dropped +=
799bdcd8170SKalle Valo le32_to_cpu(tgt_stats->wow_stats.wow_pkt_dropped);
800bdcd8170SKalle Valo stats->wow_host_pkt_wakeups +=
801bdcd8170SKalle Valo tgt_stats->wow_stats.wow_host_pkt_wakeups;
802bdcd8170SKalle Valo stats->wow_host_evt_wakeups +=
803bdcd8170SKalle Valo tgt_stats->wow_stats.wow_host_evt_wakeups;
804bdcd8170SKalle Valo stats->wow_evt_discarded +=
805bdcd8170SKalle Valo le16_to_cpu(tgt_stats->wow_stats.wow_evt_discarded);
806bdcd8170SKalle Valo
807f0446ea9SRaja Mani stats->arp_received = le32_to_cpu(tgt_stats->arp_stats.arp_received);
808f0446ea9SRaja Mani stats->arp_replied = le32_to_cpu(tgt_stats->arp_stats.arp_replied);
809f0446ea9SRaja Mani stats->arp_matched = le32_to_cpu(tgt_stats->arp_stats.arp_matched);
810f0446ea9SRaja Mani
811b95907a7SVasanthakumar Thiagarajan if (test_bit(STATS_UPDATE_PEND, &vif->flags)) {
812b95907a7SVasanthakumar Thiagarajan clear_bit(STATS_UPDATE_PEND, &vif->flags);
813bdcd8170SKalle Valo wake_up(&ar->event_wq);
814bdcd8170SKalle Valo }
815bdcd8170SKalle Valo }
816bdcd8170SKalle Valo
ath6kl_add_le32(__le32 * var,__le32 val)817bdcd8170SKalle Valo static void ath6kl_add_le32(__le32 *var, __le32 val)
818bdcd8170SKalle Valo {
819bdcd8170SKalle Valo *var = cpu_to_le32(le32_to_cpu(*var) + le32_to_cpu(val));
820bdcd8170SKalle Valo }
821bdcd8170SKalle Valo
ath6kl_tgt_stats_event(struct ath6kl_vif * vif,u8 * ptr,u32 len)822240d2799SVasanthakumar Thiagarajan void ath6kl_tgt_stats_event(struct ath6kl_vif *vif, u8 *ptr, u32 len)
823bdcd8170SKalle Valo {
824bdcd8170SKalle Valo struct wmi_ap_mode_stat *p = (struct wmi_ap_mode_stat *) ptr;
825240d2799SVasanthakumar Thiagarajan struct ath6kl *ar = vif->ar;
826bdcd8170SKalle Valo struct wmi_ap_mode_stat *ap = &ar->ap_stats;
827bdcd8170SKalle Valo struct wmi_per_sta_stat *st_ap, *st_p;
828bdcd8170SKalle Valo u8 ac;
829bdcd8170SKalle Valo
830f5938f24SVasanthakumar Thiagarajan if (vif->nw_type == AP_NETWORK) {
831bdcd8170SKalle Valo if (len < sizeof(*p))
832bdcd8170SKalle Valo return;
833bdcd8170SKalle Valo
834bdcd8170SKalle Valo for (ac = 0; ac < AP_MAX_NUM_STA; ac++) {
835bdcd8170SKalle Valo st_ap = &ap->sta[ac];
836bdcd8170SKalle Valo st_p = &p->sta[ac];
837bdcd8170SKalle Valo
838bdcd8170SKalle Valo ath6kl_add_le32(&st_ap->tx_bytes, st_p->tx_bytes);
839bdcd8170SKalle Valo ath6kl_add_le32(&st_ap->tx_pkts, st_p->tx_pkts);
840bdcd8170SKalle Valo ath6kl_add_le32(&st_ap->tx_error, st_p->tx_error);
841bdcd8170SKalle Valo ath6kl_add_le32(&st_ap->tx_discard, st_p->tx_discard);
842bdcd8170SKalle Valo ath6kl_add_le32(&st_ap->rx_bytes, st_p->rx_bytes);
843bdcd8170SKalle Valo ath6kl_add_le32(&st_ap->rx_pkts, st_p->rx_pkts);
844bdcd8170SKalle Valo ath6kl_add_le32(&st_ap->rx_error, st_p->rx_error);
845bdcd8170SKalle Valo ath6kl_add_le32(&st_ap->rx_discard, st_p->rx_discard);
846bdcd8170SKalle Valo }
847bdcd8170SKalle Valo
848bdcd8170SKalle Valo } else {
849240d2799SVasanthakumar Thiagarajan ath6kl_update_target_stats(vif, ptr, len);
850bdcd8170SKalle Valo }
851bdcd8170SKalle Valo }
852bdcd8170SKalle Valo
ath6kl_wakeup_event(void * dev)853bdcd8170SKalle Valo void ath6kl_wakeup_event(void *dev)
854bdcd8170SKalle Valo {
855bdcd8170SKalle Valo struct ath6kl *ar = (struct ath6kl *) dev;
856bdcd8170SKalle Valo
857bdcd8170SKalle Valo wake_up(&ar->event_wq);
858bdcd8170SKalle Valo }
859bdcd8170SKalle Valo
ath6kl_txpwr_rx_evt(void * devt,u8 tx_pwr)860bdcd8170SKalle Valo void ath6kl_txpwr_rx_evt(void *devt, u8 tx_pwr)
861bdcd8170SKalle Valo {
862bdcd8170SKalle Valo struct ath6kl *ar = (struct ath6kl *) devt;
863bdcd8170SKalle Valo
864bdcd8170SKalle Valo ar->tx_pwr = tx_pwr;
865bdcd8170SKalle Valo wake_up(&ar->event_wq);
866bdcd8170SKalle Valo }
867bdcd8170SKalle Valo
ath6kl_pspoll_event(struct ath6kl_vif * vif,u8 aid)868240d2799SVasanthakumar Thiagarajan void ath6kl_pspoll_event(struct ath6kl_vif *vif, u8 aid)
869bdcd8170SKalle Valo {
870bdcd8170SKalle Valo struct ath6kl_sta *conn;
871bdcd8170SKalle Valo struct sk_buff *skb;
872bdcd8170SKalle Valo bool psq_empty = false;
873240d2799SVasanthakumar Thiagarajan struct ath6kl *ar = vif->ar;
874d0ff7383SNaveen Gangadharan struct ath6kl_mgmt_buff *mgmt_buf;
875bdcd8170SKalle Valo
876bdcd8170SKalle Valo conn = ath6kl_find_sta_by_aid(ar, aid);
877bdcd8170SKalle Valo
878bdcd8170SKalle Valo if (!conn)
879bdcd8170SKalle Valo return;
880bdcd8170SKalle Valo /*
881bdcd8170SKalle Valo * Send out a packet queued on ps queue. When the ps queue
882bdcd8170SKalle Valo * becomes empty update the PVB for this station.
883bdcd8170SKalle Valo */
884bdcd8170SKalle Valo spin_lock_bh(&conn->psq_lock);
885d0ff7383SNaveen Gangadharan psq_empty = skb_queue_empty(&conn->psq) && (conn->mgmt_psq_len == 0);
886bdcd8170SKalle Valo spin_unlock_bh(&conn->psq_lock);
887bdcd8170SKalle Valo
888bdcd8170SKalle Valo if (psq_empty)
889bdcd8170SKalle Valo /* TODO: Send out a NULL data frame */
890bdcd8170SKalle Valo return;
891bdcd8170SKalle Valo
892bdcd8170SKalle Valo spin_lock_bh(&conn->psq_lock);
893d0ff7383SNaveen Gangadharan if (conn->mgmt_psq_len > 0) {
894d0ff7383SNaveen Gangadharan mgmt_buf = list_first_entry(&conn->mgmt_psq,
895d0ff7383SNaveen Gangadharan struct ath6kl_mgmt_buff, list);
896d0ff7383SNaveen Gangadharan list_del(&mgmt_buf->list);
897d0ff7383SNaveen Gangadharan conn->mgmt_psq_len--;
898d0ff7383SNaveen Gangadharan spin_unlock_bh(&conn->psq_lock);
899d0ff7383SNaveen Gangadharan
900d0ff7383SNaveen Gangadharan conn->sta_flags |= STA_PS_POLLED;
901d0ff7383SNaveen Gangadharan ath6kl_wmi_send_mgmt_cmd(ar->wmi, vif->fw_vif_idx,
902d0ff7383SNaveen Gangadharan mgmt_buf->id, mgmt_buf->freq,
903d0ff7383SNaveen Gangadharan mgmt_buf->wait, mgmt_buf->buf,
904d0ff7383SNaveen Gangadharan mgmt_buf->len, mgmt_buf->no_cck);
905d0ff7383SNaveen Gangadharan conn->sta_flags &= ~STA_PS_POLLED;
906d0ff7383SNaveen Gangadharan kfree(mgmt_buf);
907d0ff7383SNaveen Gangadharan } else {
908bdcd8170SKalle Valo skb = skb_dequeue(&conn->psq);
909bdcd8170SKalle Valo spin_unlock_bh(&conn->psq_lock);
910bdcd8170SKalle Valo
911bdcd8170SKalle Valo conn->sta_flags |= STA_PS_POLLED;
912240d2799SVasanthakumar Thiagarajan ath6kl_data_tx(skb, vif->ndev);
913bdcd8170SKalle Valo conn->sta_flags &= ~STA_PS_POLLED;
914d0ff7383SNaveen Gangadharan }
915bdcd8170SKalle Valo
916bdcd8170SKalle Valo spin_lock_bh(&conn->psq_lock);
917d0ff7383SNaveen Gangadharan psq_empty = skb_queue_empty(&conn->psq) && (conn->mgmt_psq_len == 0);
918bdcd8170SKalle Valo spin_unlock_bh(&conn->psq_lock);
919bdcd8170SKalle Valo
920bdcd8170SKalle Valo if (psq_empty)
921334234b5SVasanthakumar Thiagarajan ath6kl_wmi_set_pvb_cmd(ar->wmi, vif->fw_vif_idx, conn->aid, 0);
922bdcd8170SKalle Valo }
923bdcd8170SKalle Valo
ath6kl_dtimexpiry_event(struct ath6kl_vif * vif)924240d2799SVasanthakumar Thiagarajan void ath6kl_dtimexpiry_event(struct ath6kl_vif *vif)
925bdcd8170SKalle Valo {
926bdcd8170SKalle Valo bool mcastq_empty = false;
927bdcd8170SKalle Valo struct sk_buff *skb;
928240d2799SVasanthakumar Thiagarajan struct ath6kl *ar = vif->ar;
929bdcd8170SKalle Valo
930bdcd8170SKalle Valo /*
931bdcd8170SKalle Valo * If there are no associated STAs, ignore the DTIM expiry event.
932bdcd8170SKalle Valo * There can be potential race conditions where the last associated
933bdcd8170SKalle Valo * STA may disconnect & before the host could clear the 'Indicate
934bdcd8170SKalle Valo * DTIM' request to the firmware, the firmware would have just
935bdcd8170SKalle Valo * indicated a DTIM expiry event. The race is between 'clear DTIM
936bdcd8170SKalle Valo * expiry cmd' going from the host to the firmware & the DTIM
937bdcd8170SKalle Valo * expiry event happening from the firmware to the host.
938bdcd8170SKalle Valo */
939bdcd8170SKalle Valo if (!ar->sta_list_index)
940bdcd8170SKalle Valo return;
941bdcd8170SKalle Valo
942bdcd8170SKalle Valo spin_lock_bh(&ar->mcastpsq_lock);
943bdcd8170SKalle Valo mcastq_empty = skb_queue_empty(&ar->mcastpsq);
944bdcd8170SKalle Valo spin_unlock_bh(&ar->mcastpsq_lock);
945bdcd8170SKalle Valo
946bdcd8170SKalle Valo if (mcastq_empty)
947bdcd8170SKalle Valo return;
948bdcd8170SKalle Valo
949bdcd8170SKalle Valo /* set the STA flag to dtim_expired for the frame to go out */
95059c98449SVasanthakumar Thiagarajan set_bit(DTIM_EXPIRED, &vif->flags);
951bdcd8170SKalle Valo
952bdcd8170SKalle Valo spin_lock_bh(&ar->mcastpsq_lock);
953bdcd8170SKalle Valo while ((skb = skb_dequeue(&ar->mcastpsq)) != NULL) {
954bdcd8170SKalle Valo spin_unlock_bh(&ar->mcastpsq_lock);
955bdcd8170SKalle Valo
956240d2799SVasanthakumar Thiagarajan ath6kl_data_tx(skb, vif->ndev);
957bdcd8170SKalle Valo
958bdcd8170SKalle Valo spin_lock_bh(&ar->mcastpsq_lock);
959bdcd8170SKalle Valo }
960bdcd8170SKalle Valo spin_unlock_bh(&ar->mcastpsq_lock);
961bdcd8170SKalle Valo
96259c98449SVasanthakumar Thiagarajan clear_bit(DTIM_EXPIRED, &vif->flags);
963bdcd8170SKalle Valo
964bdcd8170SKalle Valo /* clear the LSB of the BitMapCtl field of the TIM IE */
965334234b5SVasanthakumar Thiagarajan ath6kl_wmi_set_pvb_cmd(ar->wmi, vif->fw_vif_idx, MCAST_AID, 0);
966bdcd8170SKalle Valo }
967bdcd8170SKalle Valo
ath6kl_disconnect_event(struct ath6kl_vif * vif,u8 reason,u8 * bssid,u8 assoc_resp_len,u8 * assoc_info,u16 prot_reason_status)968240d2799SVasanthakumar Thiagarajan void ath6kl_disconnect_event(struct ath6kl_vif *vif, u8 reason, u8 *bssid,
969bdcd8170SKalle Valo u8 assoc_resp_len, u8 *assoc_info,
970bdcd8170SKalle Valo u16 prot_reason_status)
971bdcd8170SKalle Valo {
972240d2799SVasanthakumar Thiagarajan struct ath6kl *ar = vif->ar;
97359c98449SVasanthakumar Thiagarajan
974f5938f24SVasanthakumar Thiagarajan if (vif->nw_type == AP_NETWORK) {
975c4f7863eSThomas Pedersen /* disconnect due to other STA vif switching channels */
976c4f7863eSThomas Pedersen if (reason == BSS_DISCONNECTED &&
977b5495e66SThomas Pedersen prot_reason_status == WMI_AP_REASON_STA_ROAM) {
978c4f7863eSThomas Pedersen ar->want_ch_switch |= 1 << vif->fw_vif_idx;
979b5495e66SThomas Pedersen /* bail back to this channel if STA vif fails connect */
980b5495e66SThomas Pedersen ar->last_ch = le16_to_cpu(vif->profile.ch);
981b5495e66SThomas Pedersen }
982c4f7863eSThomas Pedersen
98307033ce2SPandiyarajan Pitchaimuthu if (prot_reason_status == WMI_AP_REASON_MAX_STA) {
98407033ce2SPandiyarajan Pitchaimuthu /* send max client reached notification to user space */
98507033ce2SPandiyarajan Pitchaimuthu cfg80211_conn_failed(vif->ndev, bssid,
98607033ce2SPandiyarajan Pitchaimuthu NL80211_CONN_FAIL_MAX_CLIENTS,
98707033ce2SPandiyarajan Pitchaimuthu GFP_KERNEL);
98807033ce2SPandiyarajan Pitchaimuthu }
98907033ce2SPandiyarajan Pitchaimuthu
990698bf867SPandiyarajan Pitchaimuthu if (prot_reason_status == WMI_AP_REASON_ACL) {
991698bf867SPandiyarajan Pitchaimuthu /* send blocked client notification to user space */
992698bf867SPandiyarajan Pitchaimuthu cfg80211_conn_failed(vif->ndev, bssid,
993698bf867SPandiyarajan Pitchaimuthu NL80211_CONN_FAIL_BLOCKED_CLIENT,
994698bf867SPandiyarajan Pitchaimuthu GFP_KERNEL);
995698bf867SPandiyarajan Pitchaimuthu }
996698bf867SPandiyarajan Pitchaimuthu
997bdcd8170SKalle Valo if (!ath6kl_remove_sta(ar, bssid, prot_reason_status))
998bdcd8170SKalle Valo return;
999bdcd8170SKalle Valo
1000bdcd8170SKalle Valo /* if no more associated STAs, empty the mcast PS q */
1001bdcd8170SKalle Valo if (ar->sta_list_index == 0) {
1002bdcd8170SKalle Valo spin_lock_bh(&ar->mcastpsq_lock);
1003bdcd8170SKalle Valo skb_queue_purge(&ar->mcastpsq);
1004bdcd8170SKalle Valo spin_unlock_bh(&ar->mcastpsq_lock);
1005bdcd8170SKalle Valo
1006bdcd8170SKalle Valo /* clear the LSB of the TIM IE's BitMapCtl field */
1007bdcd8170SKalle Valo if (test_bit(WMI_READY, &ar->flag))
1008334234b5SVasanthakumar Thiagarajan ath6kl_wmi_set_pvb_cmd(ar->wmi, vif->fw_vif_idx,
1009334234b5SVasanthakumar Thiagarajan MCAST_AID, 0);
1010bdcd8170SKalle Valo }
1011bdcd8170SKalle Valo
1012bdcd8170SKalle Valo if (!is_broadcast_ether_addr(bssid)) {
1013bdcd8170SKalle Valo /* send event to application */
1014240d2799SVasanthakumar Thiagarajan cfg80211_del_sta(vif->ndev, bssid, GFP_KERNEL);
1015bdcd8170SKalle Valo }
1016bdcd8170SKalle Valo
1017240d2799SVasanthakumar Thiagarajan if (memcmp(vif->ndev->dev_addr, bssid, ETH_ALEN) == 0) {
10186f2a73f9SVasanthakumar Thiagarajan memset(vif->wep_key_list, 0, sizeof(vif->wep_key_list));
101959c98449SVasanthakumar Thiagarajan clear_bit(CONNECTED, &vif->flags);
1020151411e8SJouni Malinen }
1021bdcd8170SKalle Valo return;
1022bdcd8170SKalle Valo }
1023bdcd8170SKalle Valo
1024240d2799SVasanthakumar Thiagarajan ath6kl_cfg80211_disconnect_event(vif, reason, bssid,
1025bdcd8170SKalle Valo assoc_resp_len, assoc_info,
1026bdcd8170SKalle Valo prot_reason_status);
1027bdcd8170SKalle Valo
10281d2a4456SVasanthakumar Thiagarajan aggr_reset_state(vif->aggr_cntxt->aggr_conn);
1029bdcd8170SKalle Valo
1030de3ad713SVasanthakumar Thiagarajan del_timer(&vif->disconnect_timer);
1031bdcd8170SKalle Valo
1032d23ace77SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "disconnect reason is %d\n", reason);
1033bdcd8170SKalle Valo
1034bdcd8170SKalle Valo /*
1035bdcd8170SKalle Valo * If the event is due to disconnect cmd from the host, only they
1036bdcd8170SKalle Valo * the target would stop trying to connect. Under any other
1037bdcd8170SKalle Valo * condition, target would keep trying to connect.
1038bdcd8170SKalle Valo */
1039bdcd8170SKalle Valo if (reason == DISCONNECT_CMD) {
1040bdcd8170SKalle Valo if (!ar->usr_bss_filter && test_bit(WMI_READY, &ar->flag))
1041240d2799SVasanthakumar Thiagarajan ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx,
1042240d2799SVasanthakumar Thiagarajan NONE_BSS_FILTER, 0);
1043bdcd8170SKalle Valo } else {
104459c98449SVasanthakumar Thiagarajan set_bit(CONNECT_PEND, &vif->flags);
1045bdcd8170SKalle Valo if (((reason == ASSOC_FAILED) &&
1046bdcd8170SKalle Valo (prot_reason_status == 0x11)) ||
1047ddc3d77cSKalle Valo ((reason == ASSOC_FAILED) && (prot_reason_status == 0x0) &&
1048ddc3d77cSKalle Valo (vif->reconnect_flag == 1))) {
104959c98449SVasanthakumar Thiagarajan set_bit(CONNECTED, &vif->flags);
1050bdcd8170SKalle Valo return;
1051bdcd8170SKalle Valo }
1052bdcd8170SKalle Valo }
1053bdcd8170SKalle Valo
1054b5495e66SThomas Pedersen /* restart disconnected concurrent vifs waiting for new channel */
1055b5495e66SThomas Pedersen ath6kl_check_ch_switch(ar, ar->last_ch);
1056b5495e66SThomas Pedersen
1057bdcd8170SKalle Valo /* update connect & link status atomically */
1058478ac027SVasanthakumar Thiagarajan spin_lock_bh(&vif->if_lock);
105959c98449SVasanthakumar Thiagarajan clear_bit(CONNECTED, &vif->flags);
1060240d2799SVasanthakumar Thiagarajan netif_carrier_off(vif->ndev);
1061478ac027SVasanthakumar Thiagarajan spin_unlock_bh(&vif->if_lock);
1062bdcd8170SKalle Valo
1063cf5333d7SVasanthakumar Thiagarajan if ((reason != CSERV_DISCONNECT) || (vif->reconnect_flag != 1))
1064cf5333d7SVasanthakumar Thiagarajan vif->reconnect_flag = 0;
1065bdcd8170SKalle Valo
1066bdcd8170SKalle Valo if (reason != CSERV_DISCONNECT)
1067bdcd8170SKalle Valo ar->user_key_ctrl = 0;
1068bdcd8170SKalle Valo
1069240d2799SVasanthakumar Thiagarajan netif_stop_queue(vif->ndev);
10708c8b65e3SVasanthakumar Thiagarajan memset(vif->bssid, 0, sizeof(vif->bssid));
1071f74bac54SVasanthakumar Thiagarajan vif->bss_ch = 0;
1072bdcd8170SKalle Valo
1073bdcd8170SKalle Valo ath6kl_tx_data_cleanup(ar);
1074bdcd8170SKalle Valo }
1075bdcd8170SKalle Valo
ath6kl_vif_first(struct ath6kl * ar)1076990bd915SVasanthakumar Thiagarajan struct ath6kl_vif *ath6kl_vif_first(struct ath6kl *ar)
1077990bd915SVasanthakumar Thiagarajan {
1078990bd915SVasanthakumar Thiagarajan struct ath6kl_vif *vif;
1079990bd915SVasanthakumar Thiagarajan
108011f6e40dSVasanthakumar Thiagarajan spin_lock_bh(&ar->list_lock);
1081990bd915SVasanthakumar Thiagarajan if (list_empty(&ar->vif_list)) {
108211f6e40dSVasanthakumar Thiagarajan spin_unlock_bh(&ar->list_lock);
1083990bd915SVasanthakumar Thiagarajan return NULL;
1084990bd915SVasanthakumar Thiagarajan }
1085990bd915SVasanthakumar Thiagarajan
1086990bd915SVasanthakumar Thiagarajan vif = list_first_entry(&ar->vif_list, struct ath6kl_vif, list);
1087990bd915SVasanthakumar Thiagarajan
108811f6e40dSVasanthakumar Thiagarajan spin_unlock_bh(&ar->list_lock);
1089990bd915SVasanthakumar Thiagarajan
1090990bd915SVasanthakumar Thiagarajan return vif;
1091990bd915SVasanthakumar Thiagarajan }
1092990bd915SVasanthakumar Thiagarajan
ath6kl_open(struct net_device * dev)1093bdcd8170SKalle Valo static int ath6kl_open(struct net_device *dev)
1094bdcd8170SKalle Valo {
109559c98449SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(dev);
1096bdcd8170SKalle Valo
109759c98449SVasanthakumar Thiagarajan set_bit(WLAN_ENABLED, &vif->flags);
1098bdcd8170SKalle Valo
109959c98449SVasanthakumar Thiagarajan if (test_bit(CONNECTED, &vif->flags)) {
1100bdcd8170SKalle Valo netif_carrier_on(dev);
1101bdcd8170SKalle Valo netif_wake_queue(dev);
1102a5d8f9dfSKalle Valo } else {
1103bdcd8170SKalle Valo netif_carrier_off(dev);
1104a5d8f9dfSKalle Valo }
1105bdcd8170SKalle Valo
1106bdcd8170SKalle Valo return 0;
1107bdcd8170SKalle Valo }
1108bdcd8170SKalle Valo
ath6kl_close(struct net_device * dev)1109bdcd8170SKalle Valo static int ath6kl_close(struct net_device *dev)
1110bdcd8170SKalle Valo {
111159c98449SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(dev);
1112bdcd8170SKalle Valo
1113bdcd8170SKalle Valo netif_stop_queue(dev);
1114bdcd8170SKalle Valo
11157125f01dSKalle Valo ath6kl_cfg80211_stop(vif);
1116bdcd8170SKalle Valo
111768469341SKalle Valo clear_bit(WLAN_ENABLED, &vif->flags);
111868469341SKalle Valo
1119bdcd8170SKalle Valo return 0;
1120bdcd8170SKalle Valo }
1121bdcd8170SKalle Valo
ath6kl_set_features(struct net_device * dev,netdev_features_t features)1122d6f80261SKalle Valo static int ath6kl_set_features(struct net_device *dev,
1123d6f80261SKalle Valo netdev_features_t features)
1124bc48ad31SRishi Panjwani {
1125bc48ad31SRishi Panjwani struct ath6kl_vif *vif = netdev_priv(dev);
1126bc48ad31SRishi Panjwani struct ath6kl *ar = vif->ar;
1127bc48ad31SRishi Panjwani int err = 0;
1128bc48ad31SRishi Panjwani
1129bc48ad31SRishi Panjwani if ((features & NETIF_F_RXCSUM) &&
1130bc48ad31SRishi Panjwani (ar->rx_meta_ver != WMI_META_VERSION_2)) {
1131bc48ad31SRishi Panjwani ar->rx_meta_ver = WMI_META_VERSION_2;
1132bc48ad31SRishi Panjwani err = ath6kl_wmi_set_rx_frame_format_cmd(ar->wmi,
1133bc48ad31SRishi Panjwani vif->fw_vif_idx,
1134bc48ad31SRishi Panjwani ar->rx_meta_ver, 0, 0);
1135bc48ad31SRishi Panjwani if (err) {
1136bc48ad31SRishi Panjwani dev->features = features & ~NETIF_F_RXCSUM;
1137bc48ad31SRishi Panjwani return err;
1138bc48ad31SRishi Panjwani }
1139bc48ad31SRishi Panjwani } else if (!(features & NETIF_F_RXCSUM) &&
1140bc48ad31SRishi Panjwani (ar->rx_meta_ver == WMI_META_VERSION_2)) {
1141bc48ad31SRishi Panjwani ar->rx_meta_ver = 0;
1142bc48ad31SRishi Panjwani err = ath6kl_wmi_set_rx_frame_format_cmd(ar->wmi,
1143bc48ad31SRishi Panjwani vif->fw_vif_idx,
1144bc48ad31SRishi Panjwani ar->rx_meta_ver, 0, 0);
1145bc48ad31SRishi Panjwani if (err) {
1146bc48ad31SRishi Panjwani dev->features = features | NETIF_F_RXCSUM;
1147bc48ad31SRishi Panjwani return err;
1148bc48ad31SRishi Panjwani }
1149bc48ad31SRishi Panjwani }
1150bc48ad31SRishi Panjwani
1151bc48ad31SRishi Panjwani return err;
1152bc48ad31SRishi Panjwani }
1153bc48ad31SRishi Panjwani
ath6kl_set_multicast_list(struct net_device * ndev)115480abaf9bSVasanthakumar Thiagarajan static void ath6kl_set_multicast_list(struct net_device *ndev)
115580abaf9bSVasanthakumar Thiagarajan {
115680abaf9bSVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(ndev);
11576251d801SNaveen Gangadharan bool mc_all_on = false;
115880abaf9bSVasanthakumar Thiagarajan int mc_count = netdev_mc_count(ndev);
115980abaf9bSVasanthakumar Thiagarajan struct netdev_hw_addr *ha;
116080abaf9bSVasanthakumar Thiagarajan bool found;
116180abaf9bSVasanthakumar Thiagarajan struct ath6kl_mc_filter *mc_filter, *tmp;
116280abaf9bSVasanthakumar Thiagarajan struct list_head mc_filter_new;
116380abaf9bSVasanthakumar Thiagarajan int ret;
116480abaf9bSVasanthakumar Thiagarajan
116580abaf9bSVasanthakumar Thiagarajan if (!test_bit(WMI_READY, &vif->ar->flag) ||
116680abaf9bSVasanthakumar Thiagarajan !test_bit(WLAN_ENABLED, &vif->flags))
116780abaf9bSVasanthakumar Thiagarajan return;
116880abaf9bSVasanthakumar Thiagarajan
11696251d801SNaveen Gangadharan /* Enable multicast-all filter. */
117080abaf9bSVasanthakumar Thiagarajan mc_all_on = !!(ndev->flags & IFF_PROMISC) ||
117180abaf9bSVasanthakumar Thiagarajan !!(ndev->flags & IFF_ALLMULTI) ||
117280abaf9bSVasanthakumar Thiagarajan !!(mc_count > ATH6K_MAX_MC_FILTERS_PER_LIST);
117380abaf9bSVasanthakumar Thiagarajan
11746251d801SNaveen Gangadharan if (mc_all_on)
11756251d801SNaveen Gangadharan set_bit(NETDEV_MCAST_ALL_ON, &vif->flags);
11766251d801SNaveen Gangadharan else
11776251d801SNaveen Gangadharan clear_bit(NETDEV_MCAST_ALL_ON, &vif->flags);
117880abaf9bSVasanthakumar Thiagarajan
11796821d4f0SNaveen Gangadharan if (test_bit(ATH6KL_FW_CAPABILITY_WOW_MULTICAST_FILTER,
11806821d4f0SNaveen Gangadharan vif->ar->fw_capabilities)) {
11816251d801SNaveen Gangadharan mc_all_on = mc_all_on || (vif->ar->state == ATH6KL_STATE_ON);
11826821d4f0SNaveen Gangadharan }
11836251d801SNaveen Gangadharan
11846251d801SNaveen Gangadharan if (!(ndev->flags & IFF_MULTICAST)) {
11856251d801SNaveen Gangadharan mc_all_on = false;
11866251d801SNaveen Gangadharan set_bit(NETDEV_MCAST_ALL_OFF, &vif->flags);
11876251d801SNaveen Gangadharan } else {
11886251d801SNaveen Gangadharan clear_bit(NETDEV_MCAST_ALL_OFF, &vif->flags);
11896251d801SNaveen Gangadharan }
11906251d801SNaveen Gangadharan
11916251d801SNaveen Gangadharan /* Enable/disable "multicast-all" filter*/
11926251d801SNaveen Gangadharan ath6kl_dbg(ATH6KL_DBG_TRC, "%s multicast-all filter\n",
119380abaf9bSVasanthakumar Thiagarajan mc_all_on ? "enabling" : "disabling");
11946251d801SNaveen Gangadharan
119580abaf9bSVasanthakumar Thiagarajan ret = ath6kl_wmi_mcast_filter_cmd(vif->ar->wmi, vif->fw_vif_idx,
119680abaf9bSVasanthakumar Thiagarajan mc_all_on);
11976251d801SNaveen Gangadharan if (ret) {
11986251d801SNaveen Gangadharan ath6kl_warn("Failed to %s multicast-all receive\n",
119980abaf9bSVasanthakumar Thiagarajan mc_all_on ? "enable" : "disable");
120080abaf9bSVasanthakumar Thiagarajan return;
120180abaf9bSVasanthakumar Thiagarajan }
120280abaf9bSVasanthakumar Thiagarajan
12036251d801SNaveen Gangadharan if (test_bit(NETDEV_MCAST_ALL_ON, &vif->flags))
12046251d801SNaveen Gangadharan return;
12056251d801SNaveen Gangadharan
12066251d801SNaveen Gangadharan /* Keep the driver and firmware mcast list in sync. */
120780abaf9bSVasanthakumar Thiagarajan list_for_each_entry_safe(mc_filter, tmp, &vif->mc_filter, list) {
120880abaf9bSVasanthakumar Thiagarajan found = false;
120980abaf9bSVasanthakumar Thiagarajan netdev_for_each_mc_addr(ha, ndev) {
121080abaf9bSVasanthakumar Thiagarajan if (memcmp(ha->addr, mc_filter->hw_addr,
121180abaf9bSVasanthakumar Thiagarajan ATH6KL_MCAST_FILTER_MAC_ADDR_SIZE) == 0) {
121280abaf9bSVasanthakumar Thiagarajan found = true;
121380abaf9bSVasanthakumar Thiagarajan break;
121480abaf9bSVasanthakumar Thiagarajan }
121580abaf9bSVasanthakumar Thiagarajan }
121680abaf9bSVasanthakumar Thiagarajan
121780abaf9bSVasanthakumar Thiagarajan if (!found) {
121880abaf9bSVasanthakumar Thiagarajan /*
121980abaf9bSVasanthakumar Thiagarajan * Delete the filter which was previously set
122080abaf9bSVasanthakumar Thiagarajan * but not in the new request.
122180abaf9bSVasanthakumar Thiagarajan */
122280abaf9bSVasanthakumar Thiagarajan ath6kl_dbg(ATH6KL_DBG_TRC,
122380abaf9bSVasanthakumar Thiagarajan "Removing %pM from multicast filter\n",
122480abaf9bSVasanthakumar Thiagarajan mc_filter->hw_addr);
122580abaf9bSVasanthakumar Thiagarajan ret = ath6kl_wmi_add_del_mcast_filter_cmd(vif->ar->wmi,
122680abaf9bSVasanthakumar Thiagarajan vif->fw_vif_idx, mc_filter->hw_addr,
122780abaf9bSVasanthakumar Thiagarajan false);
122880abaf9bSVasanthakumar Thiagarajan if (ret) {
122980abaf9bSVasanthakumar Thiagarajan ath6kl_warn("Failed to remove multicast filter:%pM\n",
123080abaf9bSVasanthakumar Thiagarajan mc_filter->hw_addr);
123180abaf9bSVasanthakumar Thiagarajan return;
123280abaf9bSVasanthakumar Thiagarajan }
123380abaf9bSVasanthakumar Thiagarajan
123480abaf9bSVasanthakumar Thiagarajan list_del(&mc_filter->list);
123580abaf9bSVasanthakumar Thiagarajan kfree(mc_filter);
123680abaf9bSVasanthakumar Thiagarajan }
123780abaf9bSVasanthakumar Thiagarajan }
123880abaf9bSVasanthakumar Thiagarajan
123980abaf9bSVasanthakumar Thiagarajan INIT_LIST_HEAD(&mc_filter_new);
124080abaf9bSVasanthakumar Thiagarajan
124180abaf9bSVasanthakumar Thiagarajan netdev_for_each_mc_addr(ha, ndev) {
124280abaf9bSVasanthakumar Thiagarajan found = false;
124380abaf9bSVasanthakumar Thiagarajan list_for_each_entry(mc_filter, &vif->mc_filter, list) {
124480abaf9bSVasanthakumar Thiagarajan if (memcmp(ha->addr, mc_filter->hw_addr,
124580abaf9bSVasanthakumar Thiagarajan ATH6KL_MCAST_FILTER_MAC_ADDR_SIZE) == 0) {
124680abaf9bSVasanthakumar Thiagarajan found = true;
124780abaf9bSVasanthakumar Thiagarajan break;
124880abaf9bSVasanthakumar Thiagarajan }
124980abaf9bSVasanthakumar Thiagarajan }
125080abaf9bSVasanthakumar Thiagarajan
125180abaf9bSVasanthakumar Thiagarajan if (!found) {
125280abaf9bSVasanthakumar Thiagarajan mc_filter = kzalloc(sizeof(struct ath6kl_mc_filter),
125380abaf9bSVasanthakumar Thiagarajan GFP_ATOMIC);
125480abaf9bSVasanthakumar Thiagarajan if (!mc_filter) {
125580abaf9bSVasanthakumar Thiagarajan WARN_ON(1);
125680abaf9bSVasanthakumar Thiagarajan goto out;
125780abaf9bSVasanthakumar Thiagarajan }
125880abaf9bSVasanthakumar Thiagarajan
125980abaf9bSVasanthakumar Thiagarajan memcpy(mc_filter->hw_addr, ha->addr,
126080abaf9bSVasanthakumar Thiagarajan ATH6KL_MCAST_FILTER_MAC_ADDR_SIZE);
126180abaf9bSVasanthakumar Thiagarajan /* Set the multicast filter */
126280abaf9bSVasanthakumar Thiagarajan ath6kl_dbg(ATH6KL_DBG_TRC,
126380abaf9bSVasanthakumar Thiagarajan "Adding %pM to multicast filter list\n",
126480abaf9bSVasanthakumar Thiagarajan mc_filter->hw_addr);
126580abaf9bSVasanthakumar Thiagarajan ret = ath6kl_wmi_add_del_mcast_filter_cmd(vif->ar->wmi,
126680abaf9bSVasanthakumar Thiagarajan vif->fw_vif_idx, mc_filter->hw_addr,
126780abaf9bSVasanthakumar Thiagarajan true);
126880abaf9bSVasanthakumar Thiagarajan if (ret) {
126980abaf9bSVasanthakumar Thiagarajan ath6kl_warn("Failed to add multicast filter :%pM\n",
127080abaf9bSVasanthakumar Thiagarajan mc_filter->hw_addr);
127180abaf9bSVasanthakumar Thiagarajan kfree(mc_filter);
127280abaf9bSVasanthakumar Thiagarajan goto out;
127380abaf9bSVasanthakumar Thiagarajan }
127480abaf9bSVasanthakumar Thiagarajan
127580abaf9bSVasanthakumar Thiagarajan list_add_tail(&mc_filter->list, &mc_filter_new);
127680abaf9bSVasanthakumar Thiagarajan }
127780abaf9bSVasanthakumar Thiagarajan }
127880abaf9bSVasanthakumar Thiagarajan
127980abaf9bSVasanthakumar Thiagarajan out:
128080abaf9bSVasanthakumar Thiagarajan list_splice_tail(&mc_filter_new, &vif->mc_filter);
128180abaf9bSVasanthakumar Thiagarajan }
128280abaf9bSVasanthakumar Thiagarajan
12834269a930SStephen Hemminger static const struct net_device_ops ath6kl_netdev_ops = {
1284bdcd8170SKalle Valo .ndo_open = ath6kl_open,
1285bdcd8170SKalle Valo .ndo_stop = ath6kl_close,
1286bdcd8170SKalle Valo .ndo_start_xmit = ath6kl_data_tx,
1287bc48ad31SRishi Panjwani .ndo_set_features = ath6kl_set_features,
128880abaf9bSVasanthakumar Thiagarajan .ndo_set_rx_mode = ath6kl_set_multicast_list,
1289bdcd8170SKalle Valo };
1290bdcd8170SKalle Valo
init_netdev(struct net_device * dev)1291bdcd8170SKalle Valo void init_netdev(struct net_device *dev)
1292bdcd8170SKalle Valo {
129378803770SJessica Wu struct ath6kl *ar = ath6kl_priv(dev);
129478803770SJessica Wu
1295bdcd8170SKalle Valo dev->netdev_ops = &ath6kl_netdev_ops;
1296cf124db5SDavid S. Miller dev->needs_free_netdev = true;
1297bdcd8170SKalle Valo dev->watchdog_timeo = ATH6KL_TX_TIMEOUT;
1298bdcd8170SKalle Valo
1299bdcd8170SKalle Valo dev->needed_headroom = ETH_HLEN;
13006a3e4e06SMyoungje Kim dev->needed_headroom += roundup(sizeof(struct ath6kl_llc_snap_hdr) +
13016a3e4e06SMyoungje Kim sizeof(struct wmi_data_hdr) +
13026a3e4e06SMyoungje Kim HTC_HDR_LENGTH +
13036a3e4e06SMyoungje Kim WMI_MAX_TX_META_SZ +
13046a3e4e06SMyoungje Kim ATH6KL_HTC_ALIGN_BYTES, 4);
1305bdcd8170SKalle Valo
130678803770SJessica Wu if (!test_bit(ATH6KL_FW_CAPABILITY_NO_IP_CHECKSUM,
130778803770SJessica Wu ar->fw_capabilities))
13084705b703SVasanthakumar Thiagarajan dev->hw_features |= NETIF_F_IP_CSUM | NETIF_F_RXCSUM;
13094705b703SVasanthakumar Thiagarajan
1310bdcd8170SKalle Valo return;
1311bdcd8170SKalle Valo }
1312