17b3115f2SLuciano Coelho /* 27b3115f2SLuciano Coelho * This file is part of wl1271 37b3115f2SLuciano Coelho * 47b3115f2SLuciano Coelho * Copyright (C) 2009-2010 Nokia Corporation 57b3115f2SLuciano Coelho * 67b3115f2SLuciano Coelho * Contact: Luciano Coelho <luciano.coelho@nokia.com> 77b3115f2SLuciano Coelho * 87b3115f2SLuciano Coelho * This program is free software; you can redistribute it and/or 97b3115f2SLuciano Coelho * modify it under the terms of the GNU General Public License 107b3115f2SLuciano Coelho * version 2 as published by the Free Software Foundation. 117b3115f2SLuciano Coelho * 127b3115f2SLuciano Coelho * This program is distributed in the hope that it will be useful, but 137b3115f2SLuciano Coelho * WITHOUT ANY WARRANTY; without even the implied warranty of 147b3115f2SLuciano Coelho * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 157b3115f2SLuciano Coelho * General Public License for more details. 167b3115f2SLuciano Coelho * 177b3115f2SLuciano Coelho * You should have received a copy of the GNU General Public License 187b3115f2SLuciano Coelho * along with this program; if not, write to the Free Software 197b3115f2SLuciano Coelho * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 207b3115f2SLuciano Coelho * 02110-1301 USA 217b3115f2SLuciano Coelho * 227b3115f2SLuciano Coelho */ 237b3115f2SLuciano Coelho 247b3115f2SLuciano Coelho #include <linux/module.h> 257b3115f2SLuciano Coelho #include <linux/platform_device.h> 267b3115f2SLuciano Coelho #include <linux/spi/spi.h> 277b3115f2SLuciano Coelho #include <linux/etherdevice.h> 287b3115f2SLuciano Coelho #include <linux/ieee80211.h> 297b3115f2SLuciano Coelho #include <linux/slab.h> 307b3115f2SLuciano Coelho 31c31be25aSLuciano Coelho #include "wlcore.h" 327b3115f2SLuciano Coelho #include "debug.h" 337b3115f2SLuciano Coelho #include "io.h" 347b3115f2SLuciano Coelho #include "acx.h" 357b3115f2SLuciano Coelho #include "wl12xx_80211.h" 367b3115f2SLuciano Coelho #include "cmd.h" 377b3115f2SLuciano Coelho #include "event.h" 387b3115f2SLuciano Coelho #include "tx.h" 3960462b48SLuciano Coelho #include "hw_ops.h" 407b3115f2SLuciano Coelho 417b3115f2SLuciano Coelho #define WL1271_CMD_FAST_POLL_COUNT 50 427b3115f2SLuciano Coelho 437b3115f2SLuciano Coelho /* 447b3115f2SLuciano Coelho * send command to firmware 457b3115f2SLuciano Coelho * 467b3115f2SLuciano Coelho * @wl: wl struct 477b3115f2SLuciano Coelho * @id: command id 487b3115f2SLuciano Coelho * @buf: buffer containing the command, must work with dma 497b3115f2SLuciano Coelho * @len: length of the buffer 507b3115f2SLuciano Coelho */ 517b3115f2SLuciano Coelho int wl1271_cmd_send(struct wl1271 *wl, u16 id, void *buf, size_t len, 527b3115f2SLuciano Coelho size_t res_len) 537b3115f2SLuciano Coelho { 547b3115f2SLuciano Coelho struct wl1271_cmd_header *cmd; 557b3115f2SLuciano Coelho unsigned long timeout; 567b3115f2SLuciano Coelho u32 intr; 577b3115f2SLuciano Coelho int ret = 0; 587b3115f2SLuciano Coelho u16 status; 597b3115f2SLuciano Coelho u16 poll_count = 0; 607b3115f2SLuciano Coelho 617b3115f2SLuciano Coelho cmd = buf; 627b3115f2SLuciano Coelho cmd->id = cpu_to_le16(id); 637b3115f2SLuciano Coelho cmd->status = 0; 647b3115f2SLuciano Coelho 657b3115f2SLuciano Coelho WARN_ON(len % 4 != 0); 667b3115f2SLuciano Coelho WARN_ON(test_bit(WL1271_FLAG_IN_ELP, &wl->flags)); 677b3115f2SLuciano Coelho 68eb96f841SIdo Yariv ret = wlcore_write(wl, wl->cmd_box_addr, buf, len, false); 69eb96f841SIdo Yariv if (ret < 0) 70eb96f841SIdo Yariv goto fail; 717b3115f2SLuciano Coelho 72f16ff758SLuciano Coelho /* 73f16ff758SLuciano Coelho * TODO: we just need this because one bit is in a different 74f16ff758SLuciano Coelho * place. Is there any better way? 75f16ff758SLuciano Coelho */ 76eb96f841SIdo Yariv ret = wl->ops->trigger_cmd(wl, wl->cmd_box_addr, buf, len); 77eb96f841SIdo Yariv if (ret < 0) 78eb96f841SIdo Yariv goto fail; 797b3115f2SLuciano Coelho 807b3115f2SLuciano Coelho timeout = jiffies + msecs_to_jiffies(WL1271_COMMAND_TIMEOUT); 817b3115f2SLuciano Coelho 826134323fSIdo Yariv ret = wlcore_read_reg(wl, REG_INTERRUPT_NO_CLEAR, &intr); 836134323fSIdo Yariv if (ret < 0) 846134323fSIdo Yariv goto fail; 856134323fSIdo Yariv 867b3115f2SLuciano Coelho while (!(intr & WL1271_ACX_INTR_CMD_COMPLETE)) { 877b3115f2SLuciano Coelho if (time_after(jiffies, timeout)) { 887b3115f2SLuciano Coelho wl1271_error("command complete timeout"); 897b3115f2SLuciano Coelho ret = -ETIMEDOUT; 907b3115f2SLuciano Coelho goto fail; 917b3115f2SLuciano Coelho } 927b3115f2SLuciano Coelho 937b3115f2SLuciano Coelho poll_count++; 947b3115f2SLuciano Coelho if (poll_count < WL1271_CMD_FAST_POLL_COUNT) 957b3115f2SLuciano Coelho udelay(10); 967b3115f2SLuciano Coelho else 977b3115f2SLuciano Coelho msleep(1); 987b3115f2SLuciano Coelho 996134323fSIdo Yariv ret = wlcore_read_reg(wl, REG_INTERRUPT_NO_CLEAR, &intr); 1006134323fSIdo Yariv if (ret < 0) 1016134323fSIdo Yariv goto fail; 1027b3115f2SLuciano Coelho } 1037b3115f2SLuciano Coelho 1047b3115f2SLuciano Coelho /* read back the status code of the command */ 1057b3115f2SLuciano Coelho if (res_len == 0) 1067b3115f2SLuciano Coelho res_len = sizeof(struct wl1271_cmd_header); 107045b9b5fSIdo Yariv 108045b9b5fSIdo Yariv ret = wlcore_read(wl, wl->cmd_box_addr, cmd, res_len, false); 109045b9b5fSIdo Yariv if (ret < 0) 110045b9b5fSIdo Yariv goto fail; 1117b3115f2SLuciano Coelho 1127b3115f2SLuciano Coelho status = le16_to_cpu(cmd->status); 1137b3115f2SLuciano Coelho if (status != CMD_STATUS_SUCCESS) { 1147b3115f2SLuciano Coelho wl1271_error("command execute failure %d", status); 1157b3115f2SLuciano Coelho ret = -EIO; 1167b3115f2SLuciano Coelho goto fail; 1177b3115f2SLuciano Coelho } 1187b3115f2SLuciano Coelho 119b0f0ad39SIdo Yariv ret = wlcore_write_reg(wl, REG_INTERRUPT_ACK, 120b0f0ad39SIdo Yariv WL1271_ACX_INTR_CMD_COMPLETE); 121b0f0ad39SIdo Yariv if (ret < 0) 122b0f0ad39SIdo Yariv goto fail; 123b0f0ad39SIdo Yariv 1247b3115f2SLuciano Coelho return 0; 1257b3115f2SLuciano Coelho 1267b3115f2SLuciano Coelho fail: 1277b3115f2SLuciano Coelho WARN_ON(1); 1287b3115f2SLuciano Coelho wl12xx_queue_recovery_work(wl); 1297b3115f2SLuciano Coelho return ret; 1307b3115f2SLuciano Coelho } 1317b3115f2SLuciano Coelho 1327b3115f2SLuciano Coelho /* 1337b3115f2SLuciano Coelho * Poll the mailbox event field until any of the bits in the mask is set or a 1347b3115f2SLuciano Coelho * timeout occurs (WL1271_EVENT_TIMEOUT in msecs) 1357b3115f2SLuciano Coelho */ 1366c15c1aaSEyal Shapira static int wl1271_cmd_wait_for_event_or_timeout(struct wl1271 *wl, 1376c15c1aaSEyal Shapira u32 mask, bool *timeout) 1387b3115f2SLuciano Coelho { 1397b3115f2SLuciano Coelho u32 *events_vector; 1407b3115f2SLuciano Coelho u32 event; 1416c15c1aaSEyal Shapira unsigned long timeout_time; 1427b3115f2SLuciano Coelho int ret = 0; 1437b3115f2SLuciano Coelho 1446c15c1aaSEyal Shapira *timeout = false; 1456c15c1aaSEyal Shapira 1460230dfeaSDan Carpenter events_vector = kmalloc(sizeof(*events_vector), GFP_KERNEL | GFP_DMA); 1470230dfeaSDan Carpenter if (!events_vector) 1480230dfeaSDan Carpenter return -ENOMEM; 1497b3115f2SLuciano Coelho 1506c15c1aaSEyal Shapira timeout_time = jiffies + msecs_to_jiffies(WL1271_EVENT_TIMEOUT); 1517b3115f2SLuciano Coelho 1527b3115f2SLuciano Coelho do { 1536c15c1aaSEyal Shapira if (time_after(jiffies, timeout_time)) { 1547b3115f2SLuciano Coelho wl1271_debug(DEBUG_CMD, "timeout waiting for event %d", 1557b3115f2SLuciano Coelho (int)mask); 1566c15c1aaSEyal Shapira *timeout = true; 1577b3115f2SLuciano Coelho goto out; 1587b3115f2SLuciano Coelho } 1597b3115f2SLuciano Coelho 1607b3115f2SLuciano Coelho msleep(1); 1617b3115f2SLuciano Coelho 1627b3115f2SLuciano Coelho /* read from both event fields */ 163045b9b5fSIdo Yariv ret = wlcore_read(wl, wl->mbox_ptr[0], events_vector, 1647b3115f2SLuciano Coelho sizeof(*events_vector), false); 165045b9b5fSIdo Yariv if (ret < 0) 166045b9b5fSIdo Yariv goto out; 167045b9b5fSIdo Yariv 1687b3115f2SLuciano Coelho event = *events_vector & mask; 169045b9b5fSIdo Yariv 170045b9b5fSIdo Yariv ret = wlcore_read(wl, wl->mbox_ptr[1], events_vector, 1717b3115f2SLuciano Coelho sizeof(*events_vector), false); 172045b9b5fSIdo Yariv if (ret < 0) 173045b9b5fSIdo Yariv goto out; 174045b9b5fSIdo Yariv 1757b3115f2SLuciano Coelho event |= *events_vector & mask; 1767b3115f2SLuciano Coelho } while (!event); 1777b3115f2SLuciano Coelho 1787b3115f2SLuciano Coelho out: 1797b3115f2SLuciano Coelho kfree(events_vector); 1807b3115f2SLuciano Coelho return ret; 1817b3115f2SLuciano Coelho } 1827b3115f2SLuciano Coelho 1837b3115f2SLuciano Coelho static int wl1271_cmd_wait_for_event(struct wl1271 *wl, u32 mask) 1847b3115f2SLuciano Coelho { 1857b3115f2SLuciano Coelho int ret; 1866c15c1aaSEyal Shapira bool timeout = false; 1877b3115f2SLuciano Coelho 1886c15c1aaSEyal Shapira ret = wl1271_cmd_wait_for_event_or_timeout(wl, mask, &timeout); 1896c15c1aaSEyal Shapira if (ret != 0 || timeout) { 1907b3115f2SLuciano Coelho wl12xx_queue_recovery_work(wl); 1917b3115f2SLuciano Coelho return ret; 1927b3115f2SLuciano Coelho } 1937b3115f2SLuciano Coelho 1947b3115f2SLuciano Coelho return 0; 1957b3115f2SLuciano Coelho } 1967b3115f2SLuciano Coelho 1977b3115f2SLuciano Coelho int wl12xx_cmd_role_enable(struct wl1271 *wl, u8 *addr, u8 role_type, 1987b3115f2SLuciano Coelho u8 *role_id) 1997b3115f2SLuciano Coelho { 2007b3115f2SLuciano Coelho struct wl12xx_cmd_role_enable *cmd; 2017b3115f2SLuciano Coelho int ret; 2027b3115f2SLuciano Coelho 2037b3115f2SLuciano Coelho wl1271_debug(DEBUG_CMD, "cmd role enable"); 2047b3115f2SLuciano Coelho 2057b3115f2SLuciano Coelho if (WARN_ON(*role_id != WL12XX_INVALID_ROLE_ID)) 2067b3115f2SLuciano Coelho return -EBUSY; 2077b3115f2SLuciano Coelho 2087b3115f2SLuciano Coelho cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 2097b3115f2SLuciano Coelho if (!cmd) { 2107b3115f2SLuciano Coelho ret = -ENOMEM; 2117b3115f2SLuciano Coelho goto out; 2127b3115f2SLuciano Coelho } 2137b3115f2SLuciano Coelho 2147b3115f2SLuciano Coelho /* get role id */ 2157b3115f2SLuciano Coelho cmd->role_id = find_first_zero_bit(wl->roles_map, WL12XX_MAX_ROLES); 2167b3115f2SLuciano Coelho if (cmd->role_id >= WL12XX_MAX_ROLES) { 2177b3115f2SLuciano Coelho ret = -EBUSY; 2187b3115f2SLuciano Coelho goto out_free; 2197b3115f2SLuciano Coelho } 2207b3115f2SLuciano Coelho 2217b3115f2SLuciano Coelho memcpy(cmd->mac_address, addr, ETH_ALEN); 2227b3115f2SLuciano Coelho cmd->role_type = role_type; 2237b3115f2SLuciano Coelho 2247b3115f2SLuciano Coelho ret = wl1271_cmd_send(wl, CMD_ROLE_ENABLE, cmd, sizeof(*cmd), 0); 2257b3115f2SLuciano Coelho if (ret < 0) { 2267b3115f2SLuciano Coelho wl1271_error("failed to initiate cmd role enable"); 2277b3115f2SLuciano Coelho goto out_free; 2287b3115f2SLuciano Coelho } 2297b3115f2SLuciano Coelho 2307b3115f2SLuciano Coelho __set_bit(cmd->role_id, wl->roles_map); 2317b3115f2SLuciano Coelho *role_id = cmd->role_id; 2327b3115f2SLuciano Coelho 2337b3115f2SLuciano Coelho out_free: 2347b3115f2SLuciano Coelho kfree(cmd); 2357b3115f2SLuciano Coelho 2367b3115f2SLuciano Coelho out: 2377b3115f2SLuciano Coelho return ret; 2387b3115f2SLuciano Coelho } 2397b3115f2SLuciano Coelho 2407b3115f2SLuciano Coelho int wl12xx_cmd_role_disable(struct wl1271 *wl, u8 *role_id) 2417b3115f2SLuciano Coelho { 2427b3115f2SLuciano Coelho struct wl12xx_cmd_role_disable *cmd; 2437b3115f2SLuciano Coelho int ret; 2447b3115f2SLuciano Coelho 2457b3115f2SLuciano Coelho wl1271_debug(DEBUG_CMD, "cmd role disable"); 2467b3115f2SLuciano Coelho 2477b3115f2SLuciano Coelho if (WARN_ON(*role_id == WL12XX_INVALID_ROLE_ID)) 2487b3115f2SLuciano Coelho return -ENOENT; 2497b3115f2SLuciano Coelho 2507b3115f2SLuciano Coelho cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 2517b3115f2SLuciano Coelho if (!cmd) { 2527b3115f2SLuciano Coelho ret = -ENOMEM; 2537b3115f2SLuciano Coelho goto out; 2547b3115f2SLuciano Coelho } 2557b3115f2SLuciano Coelho cmd->role_id = *role_id; 2567b3115f2SLuciano Coelho 2577b3115f2SLuciano Coelho ret = wl1271_cmd_send(wl, CMD_ROLE_DISABLE, cmd, sizeof(*cmd), 0); 2587b3115f2SLuciano Coelho if (ret < 0) { 2597b3115f2SLuciano Coelho wl1271_error("failed to initiate cmd role disable"); 2607b3115f2SLuciano Coelho goto out_free; 2617b3115f2SLuciano Coelho } 2627b3115f2SLuciano Coelho 2637b3115f2SLuciano Coelho __clear_bit(*role_id, wl->roles_map); 2647b3115f2SLuciano Coelho *role_id = WL12XX_INVALID_ROLE_ID; 2657b3115f2SLuciano Coelho 2667b3115f2SLuciano Coelho out_free: 2677b3115f2SLuciano Coelho kfree(cmd); 2687b3115f2SLuciano Coelho 2697b3115f2SLuciano Coelho out: 2707b3115f2SLuciano Coelho return ret; 2717b3115f2SLuciano Coelho } 2727b3115f2SLuciano Coelho 2737b3115f2SLuciano Coelho int wl12xx_allocate_link(struct wl1271 *wl, struct wl12xx_vif *wlvif, u8 *hlid) 2747b3115f2SLuciano Coelho { 2757b3115f2SLuciano Coelho unsigned long flags; 2767b3115f2SLuciano Coelho u8 link = find_first_zero_bit(wl->links_map, WL12XX_MAX_LINKS); 2777b3115f2SLuciano Coelho if (link >= WL12XX_MAX_LINKS) 2787b3115f2SLuciano Coelho return -EBUSY; 2797b3115f2SLuciano Coelho 2807b3115f2SLuciano Coelho /* these bits are used by op_tx */ 2817b3115f2SLuciano Coelho spin_lock_irqsave(&wl->wl_lock, flags); 2827b3115f2SLuciano Coelho __set_bit(link, wl->links_map); 2837b3115f2SLuciano Coelho __set_bit(link, wlvif->links_map); 2847b3115f2SLuciano Coelho spin_unlock_irqrestore(&wl->wl_lock, flags); 2857b3115f2SLuciano Coelho *hlid = link; 2867b3115f2SLuciano Coelho return 0; 2877b3115f2SLuciano Coelho } 2887b3115f2SLuciano Coelho 2897b3115f2SLuciano Coelho void wl12xx_free_link(struct wl1271 *wl, struct wl12xx_vif *wlvif, u8 *hlid) 2907b3115f2SLuciano Coelho { 2917b3115f2SLuciano Coelho unsigned long flags; 2927b3115f2SLuciano Coelho 2937b3115f2SLuciano Coelho if (*hlid == WL12XX_INVALID_LINK_ID) 2947b3115f2SLuciano Coelho return; 2957b3115f2SLuciano Coelho 2967b3115f2SLuciano Coelho /* these bits are used by op_tx */ 2977b3115f2SLuciano Coelho spin_lock_irqsave(&wl->wl_lock, flags); 2987b3115f2SLuciano Coelho __clear_bit(*hlid, wl->links_map); 2997b3115f2SLuciano Coelho __clear_bit(*hlid, wlvif->links_map); 3007b3115f2SLuciano Coelho spin_unlock_irqrestore(&wl->wl_lock, flags); 3017b3115f2SLuciano Coelho 3027b3115f2SLuciano Coelho /* 3037b3115f2SLuciano Coelho * At this point op_tx() will not add more packets to the queues. We 3047b3115f2SLuciano Coelho * can purge them. 3057b3115f2SLuciano Coelho */ 3067b3115f2SLuciano Coelho wl1271_tx_reset_link_queues(wl, *hlid); 3077b3115f2SLuciano Coelho 3087b3115f2SLuciano Coelho *hlid = WL12XX_INVALID_LINK_ID; 3097b3115f2SLuciano Coelho } 3107b3115f2SLuciano Coelho 3117b3115f2SLuciano Coelho static int wl12xx_get_new_session_id(struct wl1271 *wl, 3127b3115f2SLuciano Coelho struct wl12xx_vif *wlvif) 3137b3115f2SLuciano Coelho { 3147b3115f2SLuciano Coelho if (wlvif->session_counter >= SESSION_COUNTER_MAX) 3157b3115f2SLuciano Coelho wlvif->session_counter = 0; 3167b3115f2SLuciano Coelho 3177b3115f2SLuciano Coelho wlvif->session_counter++; 3187b3115f2SLuciano Coelho 3197b3115f2SLuciano Coelho return wlvif->session_counter; 3207b3115f2SLuciano Coelho } 3217b3115f2SLuciano Coelho 322a6298dbeSArik Nemtsov static u8 wlcore_get_native_channel_type(u8 nl_channel_type) 323a6298dbeSArik Nemtsov { 324a6298dbeSArik Nemtsov switch (nl_channel_type) { 325a6298dbeSArik Nemtsov case NL80211_CHAN_NO_HT: 326a6298dbeSArik Nemtsov return WLCORE_CHAN_NO_HT; 327a6298dbeSArik Nemtsov case NL80211_CHAN_HT20: 328a6298dbeSArik Nemtsov return WLCORE_CHAN_HT20; 329a6298dbeSArik Nemtsov case NL80211_CHAN_HT40MINUS: 330a6298dbeSArik Nemtsov return WLCORE_CHAN_HT40MINUS; 331a6298dbeSArik Nemtsov case NL80211_CHAN_HT40PLUS: 332a6298dbeSArik Nemtsov return WLCORE_CHAN_HT40PLUS; 333a6298dbeSArik Nemtsov default: 334a6298dbeSArik Nemtsov WARN_ON(1); 335a6298dbeSArik Nemtsov return WLCORE_CHAN_NO_HT; 336a6298dbeSArik Nemtsov } 337a6298dbeSArik Nemtsov } 338a6298dbeSArik Nemtsov 3397b3115f2SLuciano Coelho static int wl12xx_cmd_role_start_dev(struct wl1271 *wl, 3407b3115f2SLuciano Coelho struct wl12xx_vif *wlvif) 3417b3115f2SLuciano Coelho { 3427b3115f2SLuciano Coelho struct wl12xx_cmd_role_start *cmd; 3437b3115f2SLuciano Coelho int ret; 3447b3115f2SLuciano Coelho 3457b3115f2SLuciano Coelho cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 3467b3115f2SLuciano Coelho if (!cmd) { 3477b3115f2SLuciano Coelho ret = -ENOMEM; 3487b3115f2SLuciano Coelho goto out; 3497b3115f2SLuciano Coelho } 3507b3115f2SLuciano Coelho 3517b3115f2SLuciano Coelho wl1271_debug(DEBUG_CMD, "cmd role start dev %d", wlvif->dev_role_id); 3527b3115f2SLuciano Coelho 3537b3115f2SLuciano Coelho cmd->role_id = wlvif->dev_role_id; 3547b3115f2SLuciano Coelho if (wlvif->band == IEEE80211_BAND_5GHZ) 35500782136SLuciano Coelho cmd->band = WLCORE_BAND_5GHZ; 3567b3115f2SLuciano Coelho cmd->channel = wlvif->channel; 3577b3115f2SLuciano Coelho 3587b3115f2SLuciano Coelho if (wlvif->dev_hlid == WL12XX_INVALID_LINK_ID) { 3597b3115f2SLuciano Coelho ret = wl12xx_allocate_link(wl, wlvif, &wlvif->dev_hlid); 3607b3115f2SLuciano Coelho if (ret) 3617b3115f2SLuciano Coelho goto out_free; 3627b3115f2SLuciano Coelho } 3637b3115f2SLuciano Coelho cmd->device.hlid = wlvif->dev_hlid; 3647b3115f2SLuciano Coelho cmd->device.session = wl12xx_get_new_session_id(wl, wlvif); 3657b3115f2SLuciano Coelho 3667b3115f2SLuciano Coelho wl1271_debug(DEBUG_CMD, "role start: roleid=%d, hlid=%d, session=%d", 3677b3115f2SLuciano Coelho cmd->role_id, cmd->device.hlid, cmd->device.session); 3687b3115f2SLuciano Coelho 3697b3115f2SLuciano Coelho ret = wl1271_cmd_send(wl, CMD_ROLE_START, cmd, sizeof(*cmd), 0); 3707b3115f2SLuciano Coelho if (ret < 0) { 3717b3115f2SLuciano Coelho wl1271_error("failed to initiate cmd role enable"); 3727b3115f2SLuciano Coelho goto err_hlid; 3737b3115f2SLuciano Coelho } 3747b3115f2SLuciano Coelho 3757b3115f2SLuciano Coelho goto out_free; 3767b3115f2SLuciano Coelho 3777b3115f2SLuciano Coelho err_hlid: 3787b3115f2SLuciano Coelho /* clear links on error */ 3797b3115f2SLuciano Coelho wl12xx_free_link(wl, wlvif, &wlvif->dev_hlid); 3807b3115f2SLuciano Coelho 3817b3115f2SLuciano Coelho out_free: 3827b3115f2SLuciano Coelho kfree(cmd); 3837b3115f2SLuciano Coelho 3847b3115f2SLuciano Coelho out: 3857b3115f2SLuciano Coelho return ret; 3867b3115f2SLuciano Coelho } 3877b3115f2SLuciano Coelho 3887b3115f2SLuciano Coelho static int wl12xx_cmd_role_stop_dev(struct wl1271 *wl, 3897b3115f2SLuciano Coelho struct wl12xx_vif *wlvif) 3907b3115f2SLuciano Coelho { 3917b3115f2SLuciano Coelho struct wl12xx_cmd_role_stop *cmd; 3927b3115f2SLuciano Coelho int ret; 3937b3115f2SLuciano Coelho 3947b3115f2SLuciano Coelho if (WARN_ON(wlvif->dev_hlid == WL12XX_INVALID_LINK_ID)) 3957b3115f2SLuciano Coelho return -EINVAL; 3967b3115f2SLuciano Coelho 3977b3115f2SLuciano Coelho cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 3987b3115f2SLuciano Coelho if (!cmd) { 3997b3115f2SLuciano Coelho ret = -ENOMEM; 4007b3115f2SLuciano Coelho goto out; 4017b3115f2SLuciano Coelho } 4027b3115f2SLuciano Coelho 4037b3115f2SLuciano Coelho wl1271_debug(DEBUG_CMD, "cmd role stop dev"); 4047b3115f2SLuciano Coelho 4057b3115f2SLuciano Coelho cmd->role_id = wlvif->dev_role_id; 4067b3115f2SLuciano Coelho cmd->disc_type = DISCONNECT_IMMEDIATE; 4077b3115f2SLuciano Coelho cmd->reason = cpu_to_le16(WLAN_REASON_UNSPECIFIED); 4087b3115f2SLuciano Coelho 4097b3115f2SLuciano Coelho ret = wl1271_cmd_send(wl, CMD_ROLE_STOP, cmd, sizeof(*cmd), 0); 4107b3115f2SLuciano Coelho if (ret < 0) { 4117b3115f2SLuciano Coelho wl1271_error("failed to initiate cmd role stop"); 4127b3115f2SLuciano Coelho goto out_free; 4137b3115f2SLuciano Coelho } 4147b3115f2SLuciano Coelho 4157b3115f2SLuciano Coelho ret = wl1271_cmd_wait_for_event(wl, ROLE_STOP_COMPLETE_EVENT_ID); 4167b3115f2SLuciano Coelho if (ret < 0) { 4177b3115f2SLuciano Coelho wl1271_error("cmd role stop dev event completion error"); 4187b3115f2SLuciano Coelho goto out_free; 4197b3115f2SLuciano Coelho } 4207b3115f2SLuciano Coelho 4217b3115f2SLuciano Coelho wl12xx_free_link(wl, wlvif, &wlvif->dev_hlid); 4227b3115f2SLuciano Coelho 4237b3115f2SLuciano Coelho out_free: 4247b3115f2SLuciano Coelho kfree(cmd); 4257b3115f2SLuciano Coelho 4267b3115f2SLuciano Coelho out: 4277b3115f2SLuciano Coelho return ret; 4287b3115f2SLuciano Coelho } 4297b3115f2SLuciano Coelho 4307b3115f2SLuciano Coelho int wl12xx_cmd_role_start_sta(struct wl1271 *wl, struct wl12xx_vif *wlvif) 4317b3115f2SLuciano Coelho { 4327b3115f2SLuciano Coelho struct ieee80211_vif *vif = wl12xx_wlvif_to_vif(wlvif); 4337b3115f2SLuciano Coelho struct wl12xx_cmd_role_start *cmd; 4347b3115f2SLuciano Coelho int ret; 4357b3115f2SLuciano Coelho 4367b3115f2SLuciano Coelho cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 4377b3115f2SLuciano Coelho if (!cmd) { 4387b3115f2SLuciano Coelho ret = -ENOMEM; 4397b3115f2SLuciano Coelho goto out; 4407b3115f2SLuciano Coelho } 4417b3115f2SLuciano Coelho 4427b3115f2SLuciano Coelho wl1271_debug(DEBUG_CMD, "cmd role start sta %d", wlvif->role_id); 4437b3115f2SLuciano Coelho 4447b3115f2SLuciano Coelho cmd->role_id = wlvif->role_id; 4457b3115f2SLuciano Coelho if (wlvif->band == IEEE80211_BAND_5GHZ) 44600782136SLuciano Coelho cmd->band = WLCORE_BAND_5GHZ; 4477b3115f2SLuciano Coelho cmd->channel = wlvif->channel; 4487b3115f2SLuciano Coelho cmd->sta.basic_rate_set = cpu_to_le32(wlvif->basic_rate_set); 4497b3115f2SLuciano Coelho cmd->sta.beacon_interval = cpu_to_le16(wlvif->beacon_int); 4507b3115f2SLuciano Coelho cmd->sta.ssid_type = WL12XX_SSID_TYPE_ANY; 4517b3115f2SLuciano Coelho cmd->sta.ssid_len = wlvif->ssid_len; 4527b3115f2SLuciano Coelho memcpy(cmd->sta.ssid, wlvif->ssid, wlvif->ssid_len); 4537b3115f2SLuciano Coelho memcpy(cmd->sta.bssid, vif->bss_conf.bssid, ETH_ALEN); 4547b3115f2SLuciano Coelho cmd->sta.local_rates = cpu_to_le32(wlvif->rate_set); 455a6298dbeSArik Nemtsov cmd->channel_type = wlcore_get_native_channel_type(wlvif->channel_type); 4567b3115f2SLuciano Coelho 4577b3115f2SLuciano Coelho if (wlvif->sta.hlid == WL12XX_INVALID_LINK_ID) { 4587b3115f2SLuciano Coelho ret = wl12xx_allocate_link(wl, wlvif, &wlvif->sta.hlid); 4597b3115f2SLuciano Coelho if (ret) 4607b3115f2SLuciano Coelho goto out_free; 4617b3115f2SLuciano Coelho } 4627b3115f2SLuciano Coelho cmd->sta.hlid = wlvif->sta.hlid; 4637b3115f2SLuciano Coelho cmd->sta.session = wl12xx_get_new_session_id(wl, wlvif); 4647b3115f2SLuciano Coelho cmd->sta.remote_rates = cpu_to_le32(wlvif->rate_set); 4657b3115f2SLuciano Coelho 4667b3115f2SLuciano Coelho wl1271_debug(DEBUG_CMD, "role start: roleid=%d, hlid=%d, session=%d " 4677b3115f2SLuciano Coelho "basic_rate_set: 0x%x, remote_rates: 0x%x", 4687b3115f2SLuciano Coelho wlvif->role_id, cmd->sta.hlid, cmd->sta.session, 4697b3115f2SLuciano Coelho wlvif->basic_rate_set, wlvif->rate_set); 4707b3115f2SLuciano Coelho 4717b3115f2SLuciano Coelho ret = wl1271_cmd_send(wl, CMD_ROLE_START, cmd, sizeof(*cmd), 0); 4727b3115f2SLuciano Coelho if (ret < 0) { 4737b3115f2SLuciano Coelho wl1271_error("failed to initiate cmd role start sta"); 4747b3115f2SLuciano Coelho goto err_hlid; 4757b3115f2SLuciano Coelho } 4767b3115f2SLuciano Coelho 4777b3115f2SLuciano Coelho goto out_free; 4787b3115f2SLuciano Coelho 4797b3115f2SLuciano Coelho err_hlid: 4807b3115f2SLuciano Coelho /* clear links on error. */ 4817b3115f2SLuciano Coelho wl12xx_free_link(wl, wlvif, &wlvif->sta.hlid); 4827b3115f2SLuciano Coelho 4837b3115f2SLuciano Coelho out_free: 4847b3115f2SLuciano Coelho kfree(cmd); 4857b3115f2SLuciano Coelho 4867b3115f2SLuciano Coelho out: 4877b3115f2SLuciano Coelho return ret; 4887b3115f2SLuciano Coelho } 4897b3115f2SLuciano Coelho 4907b3115f2SLuciano Coelho /* use this function to stop ibss as well */ 4917b3115f2SLuciano Coelho int wl12xx_cmd_role_stop_sta(struct wl1271 *wl, struct wl12xx_vif *wlvif) 4927b3115f2SLuciano Coelho { 4937b3115f2SLuciano Coelho struct wl12xx_cmd_role_stop *cmd; 4947b3115f2SLuciano Coelho int ret; 4957b3115f2SLuciano Coelho 4967b3115f2SLuciano Coelho if (WARN_ON(wlvif->sta.hlid == WL12XX_INVALID_LINK_ID)) 4977b3115f2SLuciano Coelho return -EINVAL; 4987b3115f2SLuciano Coelho 4997b3115f2SLuciano Coelho cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 5007b3115f2SLuciano Coelho if (!cmd) { 5017b3115f2SLuciano Coelho ret = -ENOMEM; 5027b3115f2SLuciano Coelho goto out; 5037b3115f2SLuciano Coelho } 5047b3115f2SLuciano Coelho 5057b3115f2SLuciano Coelho wl1271_debug(DEBUG_CMD, "cmd role stop sta %d", wlvif->role_id); 5067b3115f2SLuciano Coelho 5077b3115f2SLuciano Coelho cmd->role_id = wlvif->role_id; 5087b3115f2SLuciano Coelho cmd->disc_type = DISCONNECT_IMMEDIATE; 5097b3115f2SLuciano Coelho cmd->reason = cpu_to_le16(WLAN_REASON_UNSPECIFIED); 5107b3115f2SLuciano Coelho 5117b3115f2SLuciano Coelho ret = wl1271_cmd_send(wl, CMD_ROLE_STOP, cmd, sizeof(*cmd), 0); 5127b3115f2SLuciano Coelho if (ret < 0) { 5137b3115f2SLuciano Coelho wl1271_error("failed to initiate cmd role stop sta"); 5147b3115f2SLuciano Coelho goto out_free; 5157b3115f2SLuciano Coelho } 5167b3115f2SLuciano Coelho 5177b3115f2SLuciano Coelho wl12xx_free_link(wl, wlvif, &wlvif->sta.hlid); 5187b3115f2SLuciano Coelho 5197b3115f2SLuciano Coelho out_free: 5207b3115f2SLuciano Coelho kfree(cmd); 5217b3115f2SLuciano Coelho 5227b3115f2SLuciano Coelho out: 5237b3115f2SLuciano Coelho return ret; 5247b3115f2SLuciano Coelho } 5257b3115f2SLuciano Coelho 5267b3115f2SLuciano Coelho int wl12xx_cmd_role_start_ap(struct wl1271 *wl, struct wl12xx_vif *wlvif) 5277b3115f2SLuciano Coelho { 5287b3115f2SLuciano Coelho struct wl12xx_cmd_role_start *cmd; 5297b3115f2SLuciano Coelho struct ieee80211_vif *vif = wl12xx_wlvif_to_vif(wlvif); 5307b3115f2SLuciano Coelho struct ieee80211_bss_conf *bss_conf = &vif->bss_conf; 53160462b48SLuciano Coelho u32 supported_rates; 5327b3115f2SLuciano Coelho int ret; 5337b3115f2SLuciano Coelho 5347b3115f2SLuciano Coelho wl1271_debug(DEBUG_CMD, "cmd role start ap %d", wlvif->role_id); 5357b3115f2SLuciano Coelho 5367b3115f2SLuciano Coelho /* trying to use hidden SSID with an old hostapd version */ 5377b3115f2SLuciano Coelho if (wlvif->ssid_len == 0 && !bss_conf->hidden_ssid) { 5387b3115f2SLuciano Coelho wl1271_error("got a null SSID from beacon/bss"); 5397b3115f2SLuciano Coelho ret = -EINVAL; 5407b3115f2SLuciano Coelho goto out; 5417b3115f2SLuciano Coelho } 5427b3115f2SLuciano Coelho 5437b3115f2SLuciano Coelho cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 5447b3115f2SLuciano Coelho if (!cmd) { 5457b3115f2SLuciano Coelho ret = -ENOMEM; 5467b3115f2SLuciano Coelho goto out; 5477b3115f2SLuciano Coelho } 5487b3115f2SLuciano Coelho 5497b3115f2SLuciano Coelho ret = wl12xx_allocate_link(wl, wlvif, &wlvif->ap.global_hlid); 5507b3115f2SLuciano Coelho if (ret < 0) 5517b3115f2SLuciano Coelho goto out_free; 5527b3115f2SLuciano Coelho 5537b3115f2SLuciano Coelho ret = wl12xx_allocate_link(wl, wlvif, &wlvif->ap.bcast_hlid); 5547b3115f2SLuciano Coelho if (ret < 0) 5557b3115f2SLuciano Coelho goto out_free_global; 5567b3115f2SLuciano Coelho 5577b3115f2SLuciano Coelho cmd->role_id = wlvif->role_id; 5587b3115f2SLuciano Coelho cmd->ap.aging_period = cpu_to_le16(wl->conf.tx.ap_aging_period); 5597b3115f2SLuciano Coelho cmd->ap.bss_index = WL1271_AP_BSS_INDEX; 5607b3115f2SLuciano Coelho cmd->ap.global_hlid = wlvif->ap.global_hlid; 5617b3115f2SLuciano Coelho cmd->ap.broadcast_hlid = wlvif->ap.bcast_hlid; 5627b3115f2SLuciano Coelho cmd->ap.basic_rate_set = cpu_to_le32(wlvif->basic_rate_set); 5637b3115f2SLuciano Coelho cmd->ap.beacon_interval = cpu_to_le16(wlvif->beacon_int); 5647b3115f2SLuciano Coelho cmd->ap.dtim_interval = bss_conf->dtim_period; 5657b3115f2SLuciano Coelho cmd->ap.beacon_expiry = WL1271_AP_DEF_BEACON_EXP; 5667b3115f2SLuciano Coelho /* FIXME: Change when adding DFS */ 5677b3115f2SLuciano Coelho cmd->ap.reset_tsf = 1; /* By default reset AP TSF */ 5687b3115f2SLuciano Coelho cmd->channel = wlvif->channel; 569a6298dbeSArik Nemtsov cmd->channel_type = wlcore_get_native_channel_type(wlvif->channel_type); 5707b3115f2SLuciano Coelho 5717b3115f2SLuciano Coelho if (!bss_conf->hidden_ssid) { 5727b3115f2SLuciano Coelho /* take the SSID from the beacon for backward compatibility */ 5737b3115f2SLuciano Coelho cmd->ap.ssid_type = WL12XX_SSID_TYPE_PUBLIC; 5747b3115f2SLuciano Coelho cmd->ap.ssid_len = wlvif->ssid_len; 5757b3115f2SLuciano Coelho memcpy(cmd->ap.ssid, wlvif->ssid, wlvif->ssid_len); 5767b3115f2SLuciano Coelho } else { 5777b3115f2SLuciano Coelho cmd->ap.ssid_type = WL12XX_SSID_TYPE_HIDDEN; 5787b3115f2SLuciano Coelho cmd->ap.ssid_len = bss_conf->ssid_len; 5797b3115f2SLuciano Coelho memcpy(cmd->ap.ssid, bss_conf->ssid, bss_conf->ssid_len); 5807b3115f2SLuciano Coelho } 5817b3115f2SLuciano Coelho 58260462b48SLuciano Coelho supported_rates = CONF_TX_AP_ENABLED_RATES | CONF_TX_MCS_RATES | 58360462b48SLuciano Coelho wlcore_hw_ap_get_mimo_wide_rate_mask(wl, wlvif); 58460462b48SLuciano Coelho 58560462b48SLuciano Coelho wl1271_debug(DEBUG_CMD, "cmd role start ap with supported_rates 0x%08x", 58660462b48SLuciano Coelho supported_rates); 58760462b48SLuciano Coelho 58860462b48SLuciano Coelho cmd->ap.local_rates = cpu_to_le32(supported_rates); 5897b3115f2SLuciano Coelho 5907b3115f2SLuciano Coelho switch (wlvif->band) { 5917b3115f2SLuciano Coelho case IEEE80211_BAND_2GHZ: 59200782136SLuciano Coelho cmd->band = WLCORE_BAND_2_4GHZ; 5937b3115f2SLuciano Coelho break; 5947b3115f2SLuciano Coelho case IEEE80211_BAND_5GHZ: 59500782136SLuciano Coelho cmd->band = WLCORE_BAND_5GHZ; 5967b3115f2SLuciano Coelho break; 5977b3115f2SLuciano Coelho default: 5987b3115f2SLuciano Coelho wl1271_warning("ap start - unknown band: %d", (int)wlvif->band); 59900782136SLuciano Coelho cmd->band = WLCORE_BAND_2_4GHZ; 6007b3115f2SLuciano Coelho break; 6017b3115f2SLuciano Coelho } 6027b3115f2SLuciano Coelho 6037b3115f2SLuciano Coelho ret = wl1271_cmd_send(wl, CMD_ROLE_START, cmd, sizeof(*cmd), 0); 6047b3115f2SLuciano Coelho if (ret < 0) { 6057b3115f2SLuciano Coelho wl1271_error("failed to initiate cmd role start ap"); 6067b3115f2SLuciano Coelho goto out_free_bcast; 6077b3115f2SLuciano Coelho } 6087b3115f2SLuciano Coelho 6097b3115f2SLuciano Coelho goto out_free; 6107b3115f2SLuciano Coelho 6117b3115f2SLuciano Coelho out_free_bcast: 6127b3115f2SLuciano Coelho wl12xx_free_link(wl, wlvif, &wlvif->ap.bcast_hlid); 6137b3115f2SLuciano Coelho 6147b3115f2SLuciano Coelho out_free_global: 6157b3115f2SLuciano Coelho wl12xx_free_link(wl, wlvif, &wlvif->ap.global_hlid); 6167b3115f2SLuciano Coelho 6177b3115f2SLuciano Coelho out_free: 6187b3115f2SLuciano Coelho kfree(cmd); 6197b3115f2SLuciano Coelho 6207b3115f2SLuciano Coelho out: 6217b3115f2SLuciano Coelho return ret; 6227b3115f2SLuciano Coelho } 6237b3115f2SLuciano Coelho 6247b3115f2SLuciano Coelho int wl12xx_cmd_role_stop_ap(struct wl1271 *wl, struct wl12xx_vif *wlvif) 6257b3115f2SLuciano Coelho { 6267b3115f2SLuciano Coelho struct wl12xx_cmd_role_stop *cmd; 6277b3115f2SLuciano Coelho int ret; 6287b3115f2SLuciano Coelho 6297b3115f2SLuciano Coelho cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 6307b3115f2SLuciano Coelho if (!cmd) { 6317b3115f2SLuciano Coelho ret = -ENOMEM; 6327b3115f2SLuciano Coelho goto out; 6337b3115f2SLuciano Coelho } 6347b3115f2SLuciano Coelho 6357b3115f2SLuciano Coelho wl1271_debug(DEBUG_CMD, "cmd role stop ap %d", wlvif->role_id); 6367b3115f2SLuciano Coelho 6377b3115f2SLuciano Coelho cmd->role_id = wlvif->role_id; 6387b3115f2SLuciano Coelho 6397b3115f2SLuciano Coelho ret = wl1271_cmd_send(wl, CMD_ROLE_STOP, cmd, sizeof(*cmd), 0); 6407b3115f2SLuciano Coelho if (ret < 0) { 6417b3115f2SLuciano Coelho wl1271_error("failed to initiate cmd role stop ap"); 6427b3115f2SLuciano Coelho goto out_free; 6437b3115f2SLuciano Coelho } 6447b3115f2SLuciano Coelho 6457b3115f2SLuciano Coelho wl12xx_free_link(wl, wlvif, &wlvif->ap.bcast_hlid); 6467b3115f2SLuciano Coelho wl12xx_free_link(wl, wlvif, &wlvif->ap.global_hlid); 6477b3115f2SLuciano Coelho 6487b3115f2SLuciano Coelho out_free: 6497b3115f2SLuciano Coelho kfree(cmd); 6507b3115f2SLuciano Coelho 6517b3115f2SLuciano Coelho out: 6527b3115f2SLuciano Coelho return ret; 6537b3115f2SLuciano Coelho } 6547b3115f2SLuciano Coelho 6557b3115f2SLuciano Coelho int wl12xx_cmd_role_start_ibss(struct wl1271 *wl, struct wl12xx_vif *wlvif) 6567b3115f2SLuciano Coelho { 6577b3115f2SLuciano Coelho struct ieee80211_vif *vif = wl12xx_wlvif_to_vif(wlvif); 6587b3115f2SLuciano Coelho struct wl12xx_cmd_role_start *cmd; 6597b3115f2SLuciano Coelho struct ieee80211_bss_conf *bss_conf = &vif->bss_conf; 6607b3115f2SLuciano Coelho int ret; 6617b3115f2SLuciano Coelho 6627b3115f2SLuciano Coelho cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 6637b3115f2SLuciano Coelho if (!cmd) { 6647b3115f2SLuciano Coelho ret = -ENOMEM; 6657b3115f2SLuciano Coelho goto out; 6667b3115f2SLuciano Coelho } 6677b3115f2SLuciano Coelho 6687b3115f2SLuciano Coelho wl1271_debug(DEBUG_CMD, "cmd role start ibss %d", wlvif->role_id); 6697b3115f2SLuciano Coelho 6707b3115f2SLuciano Coelho cmd->role_id = wlvif->role_id; 6717b3115f2SLuciano Coelho if (wlvif->band == IEEE80211_BAND_5GHZ) 67200782136SLuciano Coelho cmd->band = WLCORE_BAND_5GHZ; 6737b3115f2SLuciano Coelho cmd->channel = wlvif->channel; 6747b3115f2SLuciano Coelho cmd->ibss.basic_rate_set = cpu_to_le32(wlvif->basic_rate_set); 6757b3115f2SLuciano Coelho cmd->ibss.beacon_interval = cpu_to_le16(wlvif->beacon_int); 6767b3115f2SLuciano Coelho cmd->ibss.dtim_interval = bss_conf->dtim_period; 6777b3115f2SLuciano Coelho cmd->ibss.ssid_type = WL12XX_SSID_TYPE_ANY; 6787b3115f2SLuciano Coelho cmd->ibss.ssid_len = wlvif->ssid_len; 6797b3115f2SLuciano Coelho memcpy(cmd->ibss.ssid, wlvif->ssid, wlvif->ssid_len); 6807b3115f2SLuciano Coelho memcpy(cmd->ibss.bssid, vif->bss_conf.bssid, ETH_ALEN); 6817b3115f2SLuciano Coelho cmd->sta.local_rates = cpu_to_le32(wlvif->rate_set); 6827b3115f2SLuciano Coelho 6837b3115f2SLuciano Coelho if (wlvif->sta.hlid == WL12XX_INVALID_LINK_ID) { 6847b3115f2SLuciano Coelho ret = wl12xx_allocate_link(wl, wlvif, &wlvif->sta.hlid); 6857b3115f2SLuciano Coelho if (ret) 6867b3115f2SLuciano Coelho goto out_free; 6877b3115f2SLuciano Coelho } 6887b3115f2SLuciano Coelho cmd->ibss.hlid = wlvif->sta.hlid; 6897b3115f2SLuciano Coelho cmd->ibss.remote_rates = cpu_to_le32(wlvif->rate_set); 6907b3115f2SLuciano Coelho 6917b3115f2SLuciano Coelho wl1271_debug(DEBUG_CMD, "role start: roleid=%d, hlid=%d, session=%d " 6927b3115f2SLuciano Coelho "basic_rate_set: 0x%x, remote_rates: 0x%x", 6937b3115f2SLuciano Coelho wlvif->role_id, cmd->sta.hlid, cmd->sta.session, 6947b3115f2SLuciano Coelho wlvif->basic_rate_set, wlvif->rate_set); 6957b3115f2SLuciano Coelho 6967b3115f2SLuciano Coelho wl1271_debug(DEBUG_CMD, "vif->bss_conf.bssid = %pM", 6977b3115f2SLuciano Coelho vif->bss_conf.bssid); 6987b3115f2SLuciano Coelho 6997b3115f2SLuciano Coelho ret = wl1271_cmd_send(wl, CMD_ROLE_START, cmd, sizeof(*cmd), 0); 7007b3115f2SLuciano Coelho if (ret < 0) { 7017b3115f2SLuciano Coelho wl1271_error("failed to initiate cmd role enable"); 7027b3115f2SLuciano Coelho goto err_hlid; 7037b3115f2SLuciano Coelho } 7047b3115f2SLuciano Coelho 7057b3115f2SLuciano Coelho goto out_free; 7067b3115f2SLuciano Coelho 7077b3115f2SLuciano Coelho err_hlid: 7087b3115f2SLuciano Coelho /* clear links on error. */ 7097b3115f2SLuciano Coelho wl12xx_free_link(wl, wlvif, &wlvif->sta.hlid); 7107b3115f2SLuciano Coelho 7117b3115f2SLuciano Coelho out_free: 7127b3115f2SLuciano Coelho kfree(cmd); 7137b3115f2SLuciano Coelho 7147b3115f2SLuciano Coelho out: 7157b3115f2SLuciano Coelho return ret; 7167b3115f2SLuciano Coelho } 7177b3115f2SLuciano Coelho 7187b3115f2SLuciano Coelho 7197b3115f2SLuciano Coelho /** 7207b3115f2SLuciano Coelho * send test command to firmware 7217b3115f2SLuciano Coelho * 7227b3115f2SLuciano Coelho * @wl: wl struct 7237b3115f2SLuciano Coelho * @buf: buffer containing the command, with all headers, must work with dma 7247b3115f2SLuciano Coelho * @len: length of the buffer 7257b3115f2SLuciano Coelho * @answer: is answer needed 7267b3115f2SLuciano Coelho */ 7277b3115f2SLuciano Coelho int wl1271_cmd_test(struct wl1271 *wl, void *buf, size_t buf_len, u8 answer) 7287b3115f2SLuciano Coelho { 7297b3115f2SLuciano Coelho int ret; 7307b3115f2SLuciano Coelho size_t res_len = 0; 7317b3115f2SLuciano Coelho 7327b3115f2SLuciano Coelho wl1271_debug(DEBUG_CMD, "cmd test"); 7337b3115f2SLuciano Coelho 7347b3115f2SLuciano Coelho if (answer) 7357b3115f2SLuciano Coelho res_len = buf_len; 7367b3115f2SLuciano Coelho 7377b3115f2SLuciano Coelho ret = wl1271_cmd_send(wl, CMD_TEST, buf, buf_len, res_len); 7387b3115f2SLuciano Coelho 7397b3115f2SLuciano Coelho if (ret < 0) { 7407b3115f2SLuciano Coelho wl1271_warning("TEST command failed"); 7417b3115f2SLuciano Coelho return ret; 7427b3115f2SLuciano Coelho } 7437b3115f2SLuciano Coelho 7447b3115f2SLuciano Coelho return ret; 7457b3115f2SLuciano Coelho } 7469d68d1eeSLuciano Coelho EXPORT_SYMBOL_GPL(wl1271_cmd_test); 7477b3115f2SLuciano Coelho 7487b3115f2SLuciano Coelho /** 7497b3115f2SLuciano Coelho * read acx from firmware 7507b3115f2SLuciano Coelho * 7517b3115f2SLuciano Coelho * @wl: wl struct 7527b3115f2SLuciano Coelho * @id: acx id 7537b3115f2SLuciano Coelho * @buf: buffer for the response, including all headers, must work with dma 7547b3115f2SLuciano Coelho * @len: length of buf 7557b3115f2SLuciano Coelho */ 7567b3115f2SLuciano Coelho int wl1271_cmd_interrogate(struct wl1271 *wl, u16 id, void *buf, size_t len) 7577b3115f2SLuciano Coelho { 7587b3115f2SLuciano Coelho struct acx_header *acx = buf; 7597b3115f2SLuciano Coelho int ret; 7607b3115f2SLuciano Coelho 7617b3115f2SLuciano Coelho wl1271_debug(DEBUG_CMD, "cmd interrogate"); 7627b3115f2SLuciano Coelho 7637b3115f2SLuciano Coelho acx->id = cpu_to_le16(id); 7647b3115f2SLuciano Coelho 7657b3115f2SLuciano Coelho /* payload length, does not include any headers */ 7667b3115f2SLuciano Coelho acx->len = cpu_to_le16(len - sizeof(*acx)); 7677b3115f2SLuciano Coelho 7687b3115f2SLuciano Coelho ret = wl1271_cmd_send(wl, CMD_INTERROGATE, acx, sizeof(*acx), len); 7697b3115f2SLuciano Coelho if (ret < 0) 7707b3115f2SLuciano Coelho wl1271_error("INTERROGATE command failed"); 7717b3115f2SLuciano Coelho 7727b3115f2SLuciano Coelho return ret; 7737b3115f2SLuciano Coelho } 7747b3115f2SLuciano Coelho 7757b3115f2SLuciano Coelho /** 7767b3115f2SLuciano Coelho * write acx value to firmware 7777b3115f2SLuciano Coelho * 7787b3115f2SLuciano Coelho * @wl: wl struct 7797b3115f2SLuciano Coelho * @id: acx id 7807b3115f2SLuciano Coelho * @buf: buffer containing acx, including all headers, must work with dma 7817b3115f2SLuciano Coelho * @len: length of buf 7827b3115f2SLuciano Coelho */ 7837b3115f2SLuciano Coelho int wl1271_cmd_configure(struct wl1271 *wl, u16 id, void *buf, size_t len) 7847b3115f2SLuciano Coelho { 7857b3115f2SLuciano Coelho struct acx_header *acx = buf; 7867b3115f2SLuciano Coelho int ret; 7877b3115f2SLuciano Coelho 7887b3115f2SLuciano Coelho wl1271_debug(DEBUG_CMD, "cmd configure (%d)", id); 7897b3115f2SLuciano Coelho 7907b3115f2SLuciano Coelho acx->id = cpu_to_le16(id); 7917b3115f2SLuciano Coelho 7927b3115f2SLuciano Coelho /* payload length, does not include any headers */ 7937b3115f2SLuciano Coelho acx->len = cpu_to_le16(len - sizeof(*acx)); 7947b3115f2SLuciano Coelho 7957b3115f2SLuciano Coelho ret = wl1271_cmd_send(wl, CMD_CONFIGURE, acx, len, 0); 7967b3115f2SLuciano Coelho if (ret < 0) { 7977b3115f2SLuciano Coelho wl1271_warning("CONFIGURE command NOK"); 7987b3115f2SLuciano Coelho return ret; 7997b3115f2SLuciano Coelho } 8007b3115f2SLuciano Coelho 8017b3115f2SLuciano Coelho return 0; 8027b3115f2SLuciano Coelho } 8039d68d1eeSLuciano Coelho EXPORT_SYMBOL_GPL(wl1271_cmd_configure); 8047b3115f2SLuciano Coelho 8057b3115f2SLuciano Coelho int wl1271_cmd_data_path(struct wl1271 *wl, bool enable) 8067b3115f2SLuciano Coelho { 8077b3115f2SLuciano Coelho struct cmd_enabledisable_path *cmd; 8087b3115f2SLuciano Coelho int ret; 8097b3115f2SLuciano Coelho u16 cmd_rx, cmd_tx; 8107b3115f2SLuciano Coelho 8117b3115f2SLuciano Coelho wl1271_debug(DEBUG_CMD, "cmd data path"); 8127b3115f2SLuciano Coelho 8137b3115f2SLuciano Coelho cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 8147b3115f2SLuciano Coelho if (!cmd) { 8157b3115f2SLuciano Coelho ret = -ENOMEM; 8167b3115f2SLuciano Coelho goto out; 8177b3115f2SLuciano Coelho } 8187b3115f2SLuciano Coelho 8197b3115f2SLuciano Coelho /* the channel here is only used for calibration, so hardcoded to 1 */ 8207b3115f2SLuciano Coelho cmd->channel = 1; 8217b3115f2SLuciano Coelho 8227b3115f2SLuciano Coelho if (enable) { 8237b3115f2SLuciano Coelho cmd_rx = CMD_ENABLE_RX; 8247b3115f2SLuciano Coelho cmd_tx = CMD_ENABLE_TX; 8257b3115f2SLuciano Coelho } else { 8267b3115f2SLuciano Coelho cmd_rx = CMD_DISABLE_RX; 8277b3115f2SLuciano Coelho cmd_tx = CMD_DISABLE_TX; 8287b3115f2SLuciano Coelho } 8297b3115f2SLuciano Coelho 8307b3115f2SLuciano Coelho ret = wl1271_cmd_send(wl, cmd_rx, cmd, sizeof(*cmd), 0); 8317b3115f2SLuciano Coelho if (ret < 0) { 8327b3115f2SLuciano Coelho wl1271_error("rx %s cmd for channel %d failed", 8337b3115f2SLuciano Coelho enable ? "start" : "stop", cmd->channel); 8347b3115f2SLuciano Coelho goto out; 8357b3115f2SLuciano Coelho } 8367b3115f2SLuciano Coelho 8377b3115f2SLuciano Coelho wl1271_debug(DEBUG_BOOT, "rx %s cmd channel %d", 8387b3115f2SLuciano Coelho enable ? "start" : "stop", cmd->channel); 8397b3115f2SLuciano Coelho 8407b3115f2SLuciano Coelho ret = wl1271_cmd_send(wl, cmd_tx, cmd, sizeof(*cmd), 0); 8417b3115f2SLuciano Coelho if (ret < 0) { 8427b3115f2SLuciano Coelho wl1271_error("tx %s cmd for channel %d failed", 8437b3115f2SLuciano Coelho enable ? "start" : "stop", cmd->channel); 8447b3115f2SLuciano Coelho goto out; 8457b3115f2SLuciano Coelho } 8467b3115f2SLuciano Coelho 8477b3115f2SLuciano Coelho wl1271_debug(DEBUG_BOOT, "tx %s cmd channel %d", 8487b3115f2SLuciano Coelho enable ? "start" : "stop", cmd->channel); 8497b3115f2SLuciano Coelho 8507b3115f2SLuciano Coelho out: 8517b3115f2SLuciano Coelho kfree(cmd); 8527b3115f2SLuciano Coelho return ret; 8537b3115f2SLuciano Coelho } 854c331b344SLuciano Coelho EXPORT_SYMBOL_GPL(wl1271_cmd_data_path); 8557b3115f2SLuciano Coelho 8567b3115f2SLuciano Coelho int wl1271_cmd_ps_mode(struct wl1271 *wl, struct wl12xx_vif *wlvif, 8577b3115f2SLuciano Coelho u8 ps_mode, u16 auto_ps_timeout) 8587b3115f2SLuciano Coelho { 8597b3115f2SLuciano Coelho struct wl1271_cmd_ps_params *ps_params = NULL; 8607b3115f2SLuciano Coelho int ret = 0; 8617b3115f2SLuciano Coelho 8627b3115f2SLuciano Coelho wl1271_debug(DEBUG_CMD, "cmd set ps mode"); 8637b3115f2SLuciano Coelho 8647b3115f2SLuciano Coelho ps_params = kzalloc(sizeof(*ps_params), GFP_KERNEL); 8657b3115f2SLuciano Coelho if (!ps_params) { 8667b3115f2SLuciano Coelho ret = -ENOMEM; 8677b3115f2SLuciano Coelho goto out; 8687b3115f2SLuciano Coelho } 8697b3115f2SLuciano Coelho 8707b3115f2SLuciano Coelho ps_params->role_id = wlvif->role_id; 8717b3115f2SLuciano Coelho ps_params->ps_mode = ps_mode; 8727b3115f2SLuciano Coelho ps_params->auto_ps_timeout = auto_ps_timeout; 8737b3115f2SLuciano Coelho 8747b3115f2SLuciano Coelho ret = wl1271_cmd_send(wl, CMD_SET_PS_MODE, ps_params, 8757b3115f2SLuciano Coelho sizeof(*ps_params), 0); 8767b3115f2SLuciano Coelho if (ret < 0) { 8777b3115f2SLuciano Coelho wl1271_error("cmd set_ps_mode failed"); 8787b3115f2SLuciano Coelho goto out; 8797b3115f2SLuciano Coelho } 8807b3115f2SLuciano Coelho 8817b3115f2SLuciano Coelho out: 8827b3115f2SLuciano Coelho kfree(ps_params); 8837b3115f2SLuciano Coelho return ret; 8847b3115f2SLuciano Coelho } 8857b3115f2SLuciano Coelho 8867b3115f2SLuciano Coelho int wl1271_cmd_template_set(struct wl1271 *wl, u8 role_id, 8877b3115f2SLuciano Coelho u16 template_id, void *buf, size_t buf_len, 8887b3115f2SLuciano Coelho int index, u32 rates) 8897b3115f2SLuciano Coelho { 8907b3115f2SLuciano Coelho struct wl1271_cmd_template_set *cmd; 8917b3115f2SLuciano Coelho int ret = 0; 8927b3115f2SLuciano Coelho 8937b3115f2SLuciano Coelho wl1271_debug(DEBUG_CMD, "cmd template_set %d (role %d)", 8947b3115f2SLuciano Coelho template_id, role_id); 8957b3115f2SLuciano Coelho 8967b3115f2SLuciano Coelho WARN_ON(buf_len > WL1271_CMD_TEMPL_MAX_SIZE); 8977b3115f2SLuciano Coelho buf_len = min_t(size_t, buf_len, WL1271_CMD_TEMPL_MAX_SIZE); 8987b3115f2SLuciano Coelho 8997b3115f2SLuciano Coelho cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 9007b3115f2SLuciano Coelho if (!cmd) { 9017b3115f2SLuciano Coelho ret = -ENOMEM; 9027b3115f2SLuciano Coelho goto out; 9037b3115f2SLuciano Coelho } 9047b3115f2SLuciano Coelho 9057b3115f2SLuciano Coelho /* during initialization wlvif is NULL */ 9067b3115f2SLuciano Coelho cmd->role_id = role_id; 9077b3115f2SLuciano Coelho cmd->len = cpu_to_le16(buf_len); 9087b3115f2SLuciano Coelho cmd->template_type = template_id; 9097b3115f2SLuciano Coelho cmd->enabled_rates = cpu_to_le32(rates); 9107b3115f2SLuciano Coelho cmd->short_retry_limit = wl->conf.tx.tmpl_short_retry_limit; 9117b3115f2SLuciano Coelho cmd->long_retry_limit = wl->conf.tx.tmpl_long_retry_limit; 9127b3115f2SLuciano Coelho cmd->index = index; 9137b3115f2SLuciano Coelho 9147b3115f2SLuciano Coelho if (buf) 9157b3115f2SLuciano Coelho memcpy(cmd->template_data, buf, buf_len); 9167b3115f2SLuciano Coelho 9177b3115f2SLuciano Coelho ret = wl1271_cmd_send(wl, CMD_SET_TEMPLATE, cmd, sizeof(*cmd), 0); 9187b3115f2SLuciano Coelho if (ret < 0) { 9197b3115f2SLuciano Coelho wl1271_warning("cmd set_template failed: %d", ret); 9207b3115f2SLuciano Coelho goto out_free; 9217b3115f2SLuciano Coelho } 9227b3115f2SLuciano Coelho 9237b3115f2SLuciano Coelho out_free: 9247b3115f2SLuciano Coelho kfree(cmd); 9257b3115f2SLuciano Coelho 9267b3115f2SLuciano Coelho out: 9277b3115f2SLuciano Coelho return ret; 9287b3115f2SLuciano Coelho } 9297b3115f2SLuciano Coelho 9307b3115f2SLuciano Coelho int wl12xx_cmd_build_null_data(struct wl1271 *wl, struct wl12xx_vif *wlvif) 9317b3115f2SLuciano Coelho { 9327b3115f2SLuciano Coelho struct sk_buff *skb = NULL; 9337b3115f2SLuciano Coelho int size; 9347b3115f2SLuciano Coelho void *ptr; 9357b3115f2SLuciano Coelho int ret = -ENOMEM; 9367b3115f2SLuciano Coelho 9377b3115f2SLuciano Coelho 9387b3115f2SLuciano Coelho if (wlvif->bss_type == BSS_TYPE_IBSS) { 9397b3115f2SLuciano Coelho size = sizeof(struct wl12xx_null_data_template); 9407b3115f2SLuciano Coelho ptr = NULL; 9417b3115f2SLuciano Coelho } else { 9427b3115f2SLuciano Coelho skb = ieee80211_nullfunc_get(wl->hw, 9437b3115f2SLuciano Coelho wl12xx_wlvif_to_vif(wlvif)); 9447b3115f2SLuciano Coelho if (!skb) 9457b3115f2SLuciano Coelho goto out; 9467b3115f2SLuciano Coelho size = skb->len; 9477b3115f2SLuciano Coelho ptr = skb->data; 9487b3115f2SLuciano Coelho } 9497b3115f2SLuciano Coelho 9507b3115f2SLuciano Coelho ret = wl1271_cmd_template_set(wl, wlvif->role_id, 9517b3115f2SLuciano Coelho CMD_TEMPL_NULL_DATA, ptr, size, 0, 9527b3115f2SLuciano Coelho wlvif->basic_rate); 9537b3115f2SLuciano Coelho 9547b3115f2SLuciano Coelho out: 9557b3115f2SLuciano Coelho dev_kfree_skb(skb); 9567b3115f2SLuciano Coelho if (ret) 9577b3115f2SLuciano Coelho wl1271_warning("cmd buld null data failed %d", ret); 9587b3115f2SLuciano Coelho 9597b3115f2SLuciano Coelho return ret; 9607b3115f2SLuciano Coelho 9617b3115f2SLuciano Coelho } 9627b3115f2SLuciano Coelho 9637b3115f2SLuciano Coelho int wl12xx_cmd_build_klv_null_data(struct wl1271 *wl, 9647b3115f2SLuciano Coelho struct wl12xx_vif *wlvif) 9657b3115f2SLuciano Coelho { 9667b3115f2SLuciano Coelho struct ieee80211_vif *vif = wl12xx_wlvif_to_vif(wlvif); 9677b3115f2SLuciano Coelho struct sk_buff *skb = NULL; 9687b3115f2SLuciano Coelho int ret = -ENOMEM; 9697b3115f2SLuciano Coelho 9707b3115f2SLuciano Coelho skb = ieee80211_nullfunc_get(wl->hw, vif); 9717b3115f2SLuciano Coelho if (!skb) 9727b3115f2SLuciano Coelho goto out; 9737b3115f2SLuciano Coelho 9747b3115f2SLuciano Coelho ret = wl1271_cmd_template_set(wl, wlvif->role_id, CMD_TEMPL_KLV, 9757b3115f2SLuciano Coelho skb->data, skb->len, 9767b3115f2SLuciano Coelho CMD_TEMPL_KLV_IDX_NULL_DATA, 9777b3115f2SLuciano Coelho wlvif->basic_rate); 9787b3115f2SLuciano Coelho 9797b3115f2SLuciano Coelho out: 9807b3115f2SLuciano Coelho dev_kfree_skb(skb); 9817b3115f2SLuciano Coelho if (ret) 9827b3115f2SLuciano Coelho wl1271_warning("cmd build klv null data failed %d", ret); 9837b3115f2SLuciano Coelho 9847b3115f2SLuciano Coelho return ret; 9857b3115f2SLuciano Coelho 9867b3115f2SLuciano Coelho } 9877b3115f2SLuciano Coelho 9887b3115f2SLuciano Coelho int wl1271_cmd_build_ps_poll(struct wl1271 *wl, struct wl12xx_vif *wlvif, 9897b3115f2SLuciano Coelho u16 aid) 9907b3115f2SLuciano Coelho { 9917b3115f2SLuciano Coelho struct ieee80211_vif *vif = wl12xx_wlvif_to_vif(wlvif); 9927b3115f2SLuciano Coelho struct sk_buff *skb; 9937b3115f2SLuciano Coelho int ret = 0; 9947b3115f2SLuciano Coelho 9957b3115f2SLuciano Coelho skb = ieee80211_pspoll_get(wl->hw, vif); 9967b3115f2SLuciano Coelho if (!skb) 9977b3115f2SLuciano Coelho goto out; 9987b3115f2SLuciano Coelho 9997b3115f2SLuciano Coelho ret = wl1271_cmd_template_set(wl, wlvif->role_id, 10007b3115f2SLuciano Coelho CMD_TEMPL_PS_POLL, skb->data, 10017b3115f2SLuciano Coelho skb->len, 0, wlvif->basic_rate_set); 10027b3115f2SLuciano Coelho 10037b3115f2SLuciano Coelho out: 10047b3115f2SLuciano Coelho dev_kfree_skb(skb); 10057b3115f2SLuciano Coelho return ret; 10067b3115f2SLuciano Coelho } 10077b3115f2SLuciano Coelho 10087b3115f2SLuciano Coelho int wl12xx_cmd_build_probe_req(struct wl1271 *wl, struct wl12xx_vif *wlvif, 10097b3115f2SLuciano Coelho u8 role_id, u8 band, 10107b3115f2SLuciano Coelho const u8 *ssid, size_t ssid_len, 10117b3115f2SLuciano Coelho const u8 *ie, size_t ie_len) 10127b3115f2SLuciano Coelho { 10137b3115f2SLuciano Coelho struct ieee80211_vif *vif = wl12xx_wlvif_to_vif(wlvif); 10147b3115f2SLuciano Coelho struct sk_buff *skb; 10157b3115f2SLuciano Coelho int ret; 10167b3115f2SLuciano Coelho u32 rate; 10177b3115f2SLuciano Coelho 10187b3115f2SLuciano Coelho skb = ieee80211_probereq_get(wl->hw, vif, ssid, ssid_len, 10197b3115f2SLuciano Coelho ie, ie_len); 10207b3115f2SLuciano Coelho if (!skb) { 10217b3115f2SLuciano Coelho ret = -ENOMEM; 10227b3115f2SLuciano Coelho goto out; 10237b3115f2SLuciano Coelho } 10247b3115f2SLuciano Coelho 10257b3115f2SLuciano Coelho wl1271_dump(DEBUG_SCAN, "PROBE REQ: ", skb->data, skb->len); 10267b3115f2SLuciano Coelho 10277b3115f2SLuciano Coelho rate = wl1271_tx_min_rate_get(wl, wlvif->bitrate_masks[band]); 10287b3115f2SLuciano Coelho if (band == IEEE80211_BAND_2GHZ) 10297b3115f2SLuciano Coelho ret = wl1271_cmd_template_set(wl, role_id, 10307b3115f2SLuciano Coelho CMD_TEMPL_CFG_PROBE_REQ_2_4, 10317b3115f2SLuciano Coelho skb->data, skb->len, 0, rate); 10327b3115f2SLuciano Coelho else 10337b3115f2SLuciano Coelho ret = wl1271_cmd_template_set(wl, role_id, 10347b3115f2SLuciano Coelho CMD_TEMPL_CFG_PROBE_REQ_5, 10357b3115f2SLuciano Coelho skb->data, skb->len, 0, rate); 10367b3115f2SLuciano Coelho 10377b3115f2SLuciano Coelho out: 10387b3115f2SLuciano Coelho dev_kfree_skb(skb); 10397b3115f2SLuciano Coelho return ret; 10407b3115f2SLuciano Coelho } 10417b3115f2SLuciano Coelho 10427b3115f2SLuciano Coelho struct sk_buff *wl1271_cmd_build_ap_probe_req(struct wl1271 *wl, 10437b3115f2SLuciano Coelho struct wl12xx_vif *wlvif, 10447b3115f2SLuciano Coelho struct sk_buff *skb) 10457b3115f2SLuciano Coelho { 10467b3115f2SLuciano Coelho struct ieee80211_vif *vif = wl12xx_wlvif_to_vif(wlvif); 10477b3115f2SLuciano Coelho int ret; 10487b3115f2SLuciano Coelho u32 rate; 10497b3115f2SLuciano Coelho 10507b3115f2SLuciano Coelho if (!skb) 10517b3115f2SLuciano Coelho skb = ieee80211_ap_probereq_get(wl->hw, vif); 10527b3115f2SLuciano Coelho if (!skb) 10537b3115f2SLuciano Coelho goto out; 10547b3115f2SLuciano Coelho 10557b3115f2SLuciano Coelho wl1271_dump(DEBUG_SCAN, "AP PROBE REQ: ", skb->data, skb->len); 10567b3115f2SLuciano Coelho 10577b3115f2SLuciano Coelho rate = wl1271_tx_min_rate_get(wl, wlvif->bitrate_masks[wlvif->band]); 10587b3115f2SLuciano Coelho if (wlvif->band == IEEE80211_BAND_2GHZ) 10597b3115f2SLuciano Coelho ret = wl1271_cmd_template_set(wl, wlvif->role_id, 10607b3115f2SLuciano Coelho CMD_TEMPL_CFG_PROBE_REQ_2_4, 10617b3115f2SLuciano Coelho skb->data, skb->len, 0, rate); 10627b3115f2SLuciano Coelho else 10637b3115f2SLuciano Coelho ret = wl1271_cmd_template_set(wl, wlvif->role_id, 10647b3115f2SLuciano Coelho CMD_TEMPL_CFG_PROBE_REQ_5, 10657b3115f2SLuciano Coelho skb->data, skb->len, 0, rate); 10667b3115f2SLuciano Coelho 10677b3115f2SLuciano Coelho if (ret < 0) 10687b3115f2SLuciano Coelho wl1271_error("Unable to set ap probe request template."); 10697b3115f2SLuciano Coelho 10707b3115f2SLuciano Coelho out: 10717b3115f2SLuciano Coelho return skb; 10727b3115f2SLuciano Coelho } 10737b3115f2SLuciano Coelho 10747b3115f2SLuciano Coelho int wl1271_cmd_build_arp_rsp(struct wl1271 *wl, struct wl12xx_vif *wlvif) 10757b3115f2SLuciano Coelho { 10762c0133a4SArik Nemtsov int ret, extra = 0; 10777b3115f2SLuciano Coelho u16 fc; 10787b3115f2SLuciano Coelho struct ieee80211_vif *vif = wl12xx_wlvif_to_vif(wlvif); 10797b3115f2SLuciano Coelho struct sk_buff *skb; 10807b3115f2SLuciano Coelho struct wl12xx_arp_rsp_template *tmpl; 10817b3115f2SLuciano Coelho struct ieee80211_hdr_3addr *hdr; 10827b3115f2SLuciano Coelho struct arphdr *arp_hdr; 10837b3115f2SLuciano Coelho 10847b3115f2SLuciano Coelho skb = dev_alloc_skb(sizeof(*hdr) + sizeof(__le16) + sizeof(*tmpl) + 10857b3115f2SLuciano Coelho WL1271_EXTRA_SPACE_MAX); 10867b3115f2SLuciano Coelho if (!skb) { 10877b3115f2SLuciano Coelho wl1271_error("failed to allocate buffer for arp rsp template"); 10887b3115f2SLuciano Coelho return -ENOMEM; 10897b3115f2SLuciano Coelho } 10907b3115f2SLuciano Coelho 10917b3115f2SLuciano Coelho skb_reserve(skb, sizeof(*hdr) + WL1271_EXTRA_SPACE_MAX); 10927b3115f2SLuciano Coelho 10937b3115f2SLuciano Coelho tmpl = (struct wl12xx_arp_rsp_template *)skb_put(skb, sizeof(*tmpl)); 1094161f17b5SJesper Juhl memset(tmpl, 0, sizeof(*tmpl)); 10957b3115f2SLuciano Coelho 10967b3115f2SLuciano Coelho /* llc layer */ 10977b3115f2SLuciano Coelho memcpy(tmpl->llc_hdr, rfc1042_header, sizeof(rfc1042_header)); 10987b3115f2SLuciano Coelho tmpl->llc_type = cpu_to_be16(ETH_P_ARP); 10997b3115f2SLuciano Coelho 11007b3115f2SLuciano Coelho /* arp header */ 11017b3115f2SLuciano Coelho arp_hdr = &tmpl->arp_hdr; 11027b3115f2SLuciano Coelho arp_hdr->ar_hrd = cpu_to_be16(ARPHRD_ETHER); 11037b3115f2SLuciano Coelho arp_hdr->ar_pro = cpu_to_be16(ETH_P_IP); 11047b3115f2SLuciano Coelho arp_hdr->ar_hln = ETH_ALEN; 11057b3115f2SLuciano Coelho arp_hdr->ar_pln = 4; 11067b3115f2SLuciano Coelho arp_hdr->ar_op = cpu_to_be16(ARPOP_REPLY); 11077b3115f2SLuciano Coelho 11087b3115f2SLuciano Coelho /* arp payload */ 11097b3115f2SLuciano Coelho memcpy(tmpl->sender_hw, vif->addr, ETH_ALEN); 11107b3115f2SLuciano Coelho tmpl->sender_ip = wlvif->ip_addr; 11117b3115f2SLuciano Coelho 11127b3115f2SLuciano Coelho /* encryption space */ 11137b3115f2SLuciano Coelho switch (wlvif->encryption_type) { 11147b3115f2SLuciano Coelho case KEY_TKIP: 11152c0133a4SArik Nemtsov if (wl->quirks & WLCORE_QUIRK_TKIP_HEADER_SPACE) 11167b3115f2SLuciano Coelho extra = WL1271_EXTRA_SPACE_TKIP; 11177b3115f2SLuciano Coelho break; 11187b3115f2SLuciano Coelho case KEY_AES: 11197b3115f2SLuciano Coelho extra = WL1271_EXTRA_SPACE_AES; 11207b3115f2SLuciano Coelho break; 11217b3115f2SLuciano Coelho case KEY_NONE: 11227b3115f2SLuciano Coelho case KEY_WEP: 11237b3115f2SLuciano Coelho case KEY_GEM: 11247b3115f2SLuciano Coelho extra = 0; 11257b3115f2SLuciano Coelho break; 11267b3115f2SLuciano Coelho default: 11277b3115f2SLuciano Coelho wl1271_warning("Unknown encryption type: %d", 11287b3115f2SLuciano Coelho wlvif->encryption_type); 11297b3115f2SLuciano Coelho ret = -EINVAL; 11307b3115f2SLuciano Coelho goto out; 11317b3115f2SLuciano Coelho } 11327b3115f2SLuciano Coelho 11337b3115f2SLuciano Coelho if (extra) { 11347b3115f2SLuciano Coelho u8 *space = skb_push(skb, extra); 11357b3115f2SLuciano Coelho memset(space, 0, extra); 11367b3115f2SLuciano Coelho } 11377b3115f2SLuciano Coelho 11387b3115f2SLuciano Coelho /* QoS header - BE */ 11397b3115f2SLuciano Coelho if (wlvif->sta.qos) 11407b3115f2SLuciano Coelho memset(skb_push(skb, sizeof(__le16)), 0, sizeof(__le16)); 11417b3115f2SLuciano Coelho 11427b3115f2SLuciano Coelho /* mac80211 header */ 11437b3115f2SLuciano Coelho hdr = (struct ieee80211_hdr_3addr *)skb_push(skb, sizeof(*hdr)); 1144161f17b5SJesper Juhl memset(hdr, 0, sizeof(*hdr)); 11457b3115f2SLuciano Coelho fc = IEEE80211_FTYPE_DATA | IEEE80211_FCTL_TODS; 11467b3115f2SLuciano Coelho if (wlvif->sta.qos) 11477b3115f2SLuciano Coelho fc |= IEEE80211_STYPE_QOS_DATA; 11487b3115f2SLuciano Coelho else 11497b3115f2SLuciano Coelho fc |= IEEE80211_STYPE_DATA; 11507b3115f2SLuciano Coelho if (wlvif->encryption_type != KEY_NONE) 11517b3115f2SLuciano Coelho fc |= IEEE80211_FCTL_PROTECTED; 11527b3115f2SLuciano Coelho 11537b3115f2SLuciano Coelho hdr->frame_control = cpu_to_le16(fc); 11547b3115f2SLuciano Coelho memcpy(hdr->addr1, vif->bss_conf.bssid, ETH_ALEN); 11557b3115f2SLuciano Coelho memcpy(hdr->addr2, vif->addr, ETH_ALEN); 11567b3115f2SLuciano Coelho memset(hdr->addr3, 0xff, ETH_ALEN); 11577b3115f2SLuciano Coelho 11587b3115f2SLuciano Coelho ret = wl1271_cmd_template_set(wl, wlvif->role_id, CMD_TEMPL_ARP_RSP, 11597b3115f2SLuciano Coelho skb->data, skb->len, 0, 11607b3115f2SLuciano Coelho wlvif->basic_rate); 11617b3115f2SLuciano Coelho out: 11627b3115f2SLuciano Coelho dev_kfree_skb(skb); 11637b3115f2SLuciano Coelho return ret; 11647b3115f2SLuciano Coelho } 11657b3115f2SLuciano Coelho 11667b3115f2SLuciano Coelho int wl1271_build_qos_null_data(struct wl1271 *wl, struct ieee80211_vif *vif) 11677b3115f2SLuciano Coelho { 11687b3115f2SLuciano Coelho struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); 11697b3115f2SLuciano Coelho struct ieee80211_qos_hdr template; 11707b3115f2SLuciano Coelho 11717b3115f2SLuciano Coelho memset(&template, 0, sizeof(template)); 11727b3115f2SLuciano Coelho 11737b3115f2SLuciano Coelho memcpy(template.addr1, vif->bss_conf.bssid, ETH_ALEN); 11747b3115f2SLuciano Coelho memcpy(template.addr2, vif->addr, ETH_ALEN); 11757b3115f2SLuciano Coelho memcpy(template.addr3, vif->bss_conf.bssid, ETH_ALEN); 11767b3115f2SLuciano Coelho 11777b3115f2SLuciano Coelho template.frame_control = cpu_to_le16(IEEE80211_FTYPE_DATA | 11787b3115f2SLuciano Coelho IEEE80211_STYPE_QOS_NULLFUNC | 11797b3115f2SLuciano Coelho IEEE80211_FCTL_TODS); 11807b3115f2SLuciano Coelho 11817b3115f2SLuciano Coelho /* FIXME: not sure what priority to use here */ 11827b3115f2SLuciano Coelho template.qos_ctrl = cpu_to_le16(0); 11837b3115f2SLuciano Coelho 11847b3115f2SLuciano Coelho return wl1271_cmd_template_set(wl, wlvif->role_id, 11857b3115f2SLuciano Coelho CMD_TEMPL_QOS_NULL_DATA, &template, 11867b3115f2SLuciano Coelho sizeof(template), 0, 11877b3115f2SLuciano Coelho wlvif->basic_rate); 11887b3115f2SLuciano Coelho } 11897b3115f2SLuciano Coelho 11907b3115f2SLuciano Coelho int wl12xx_cmd_set_default_wep_key(struct wl1271 *wl, u8 id, u8 hlid) 11917b3115f2SLuciano Coelho { 11927b3115f2SLuciano Coelho struct wl1271_cmd_set_keys *cmd; 11937b3115f2SLuciano Coelho int ret = 0; 11947b3115f2SLuciano Coelho 11957b3115f2SLuciano Coelho wl1271_debug(DEBUG_CMD, "cmd set_default_wep_key %d", id); 11967b3115f2SLuciano Coelho 11977b3115f2SLuciano Coelho cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 11987b3115f2SLuciano Coelho if (!cmd) { 11997b3115f2SLuciano Coelho ret = -ENOMEM; 12007b3115f2SLuciano Coelho goto out; 12017b3115f2SLuciano Coelho } 12027b3115f2SLuciano Coelho 12037b3115f2SLuciano Coelho cmd->hlid = hlid; 12047b3115f2SLuciano Coelho cmd->key_id = id; 12057b3115f2SLuciano Coelho cmd->lid_key_type = WEP_DEFAULT_LID_TYPE; 12067b3115f2SLuciano Coelho cmd->key_action = cpu_to_le16(KEY_SET_ID); 12077b3115f2SLuciano Coelho cmd->key_type = KEY_WEP; 12087b3115f2SLuciano Coelho 12097b3115f2SLuciano Coelho ret = wl1271_cmd_send(wl, CMD_SET_KEYS, cmd, sizeof(*cmd), 0); 12107b3115f2SLuciano Coelho if (ret < 0) { 12117b3115f2SLuciano Coelho wl1271_warning("cmd set_default_wep_key failed: %d", ret); 12127b3115f2SLuciano Coelho goto out; 12137b3115f2SLuciano Coelho } 12147b3115f2SLuciano Coelho 12157b3115f2SLuciano Coelho out: 12167b3115f2SLuciano Coelho kfree(cmd); 12177b3115f2SLuciano Coelho 12187b3115f2SLuciano Coelho return ret; 12197b3115f2SLuciano Coelho } 12207b3115f2SLuciano Coelho 12217b3115f2SLuciano Coelho int wl1271_cmd_set_sta_key(struct wl1271 *wl, struct wl12xx_vif *wlvif, 12227b3115f2SLuciano Coelho u16 action, u8 id, u8 key_type, 12237b3115f2SLuciano Coelho u8 key_size, const u8 *key, const u8 *addr, 12247b3115f2SLuciano Coelho u32 tx_seq_32, u16 tx_seq_16) 12257b3115f2SLuciano Coelho { 12267b3115f2SLuciano Coelho struct wl1271_cmd_set_keys *cmd; 12277b3115f2SLuciano Coelho int ret = 0; 12287b3115f2SLuciano Coelho 12297b3115f2SLuciano Coelho /* hlid might have already been deleted */ 12307b3115f2SLuciano Coelho if (wlvif->sta.hlid == WL12XX_INVALID_LINK_ID) 12317b3115f2SLuciano Coelho return 0; 12327b3115f2SLuciano Coelho 12337b3115f2SLuciano Coelho cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 12347b3115f2SLuciano Coelho if (!cmd) { 12357b3115f2SLuciano Coelho ret = -ENOMEM; 12367b3115f2SLuciano Coelho goto out; 12377b3115f2SLuciano Coelho } 12387b3115f2SLuciano Coelho 12397b3115f2SLuciano Coelho cmd->hlid = wlvif->sta.hlid; 12407b3115f2SLuciano Coelho 12417b3115f2SLuciano Coelho if (key_type == KEY_WEP) 12427b3115f2SLuciano Coelho cmd->lid_key_type = WEP_DEFAULT_LID_TYPE; 12437b3115f2SLuciano Coelho else if (is_broadcast_ether_addr(addr)) 12447b3115f2SLuciano Coelho cmd->lid_key_type = BROADCAST_LID_TYPE; 12457b3115f2SLuciano Coelho else 12467b3115f2SLuciano Coelho cmd->lid_key_type = UNICAST_LID_TYPE; 12477b3115f2SLuciano Coelho 12487b3115f2SLuciano Coelho cmd->key_action = cpu_to_le16(action); 12497b3115f2SLuciano Coelho cmd->key_size = key_size; 12507b3115f2SLuciano Coelho cmd->key_type = key_type; 12517b3115f2SLuciano Coelho 12527b3115f2SLuciano Coelho cmd->ac_seq_num16[0] = cpu_to_le16(tx_seq_16); 12537b3115f2SLuciano Coelho cmd->ac_seq_num32[0] = cpu_to_le32(tx_seq_32); 12547b3115f2SLuciano Coelho 12557b3115f2SLuciano Coelho cmd->key_id = id; 12567b3115f2SLuciano Coelho 12577b3115f2SLuciano Coelho if (key_type == KEY_TKIP) { 12587b3115f2SLuciano Coelho /* 12597b3115f2SLuciano Coelho * We get the key in the following form: 12607b3115f2SLuciano Coelho * TKIP (16 bytes) - TX MIC (8 bytes) - RX MIC (8 bytes) 12617b3115f2SLuciano Coelho * but the target is expecting: 12627b3115f2SLuciano Coelho * TKIP - RX MIC - TX MIC 12637b3115f2SLuciano Coelho */ 12647b3115f2SLuciano Coelho memcpy(cmd->key, key, 16); 12657b3115f2SLuciano Coelho memcpy(cmd->key + 16, key + 24, 8); 12667b3115f2SLuciano Coelho memcpy(cmd->key + 24, key + 16, 8); 12677b3115f2SLuciano Coelho 12687b3115f2SLuciano Coelho } else { 12697b3115f2SLuciano Coelho memcpy(cmd->key, key, key_size); 12707b3115f2SLuciano Coelho } 12717b3115f2SLuciano Coelho 12727b3115f2SLuciano Coelho wl1271_dump(DEBUG_CRYPT, "TARGET KEY: ", cmd, sizeof(*cmd)); 12737b3115f2SLuciano Coelho 12747b3115f2SLuciano Coelho ret = wl1271_cmd_send(wl, CMD_SET_KEYS, cmd, sizeof(*cmd), 0); 12757b3115f2SLuciano Coelho if (ret < 0) { 12767b3115f2SLuciano Coelho wl1271_warning("could not set keys"); 12777b3115f2SLuciano Coelho goto out; 12787b3115f2SLuciano Coelho } 12797b3115f2SLuciano Coelho 12807b3115f2SLuciano Coelho out: 12817b3115f2SLuciano Coelho kfree(cmd); 12827b3115f2SLuciano Coelho 12837b3115f2SLuciano Coelho return ret; 12847b3115f2SLuciano Coelho } 12857b3115f2SLuciano Coelho 12867b3115f2SLuciano Coelho /* 12877b3115f2SLuciano Coelho * TODO: merge with sta/ibss into 1 set_key function. 12887b3115f2SLuciano Coelho * note there are slight diffs 12897b3115f2SLuciano Coelho */ 12907b3115f2SLuciano Coelho int wl1271_cmd_set_ap_key(struct wl1271 *wl, struct wl12xx_vif *wlvif, 12917b3115f2SLuciano Coelho u16 action, u8 id, u8 key_type, 12927b3115f2SLuciano Coelho u8 key_size, const u8 *key, u8 hlid, u32 tx_seq_32, 12937b3115f2SLuciano Coelho u16 tx_seq_16) 12947b3115f2SLuciano Coelho { 12957b3115f2SLuciano Coelho struct wl1271_cmd_set_keys *cmd; 12967b3115f2SLuciano Coelho int ret = 0; 12977b3115f2SLuciano Coelho u8 lid_type; 12987b3115f2SLuciano Coelho 12997b3115f2SLuciano Coelho cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 13007b3115f2SLuciano Coelho if (!cmd) 13017b3115f2SLuciano Coelho return -ENOMEM; 13027b3115f2SLuciano Coelho 13037b3115f2SLuciano Coelho if (hlid == wlvif->ap.bcast_hlid) { 13047b3115f2SLuciano Coelho if (key_type == KEY_WEP) 13057b3115f2SLuciano Coelho lid_type = WEP_DEFAULT_LID_TYPE; 13067b3115f2SLuciano Coelho else 13077b3115f2SLuciano Coelho lid_type = BROADCAST_LID_TYPE; 13087b3115f2SLuciano Coelho } else { 13097b3115f2SLuciano Coelho lid_type = UNICAST_LID_TYPE; 13107b3115f2SLuciano Coelho } 13117b3115f2SLuciano Coelho 13127b3115f2SLuciano Coelho wl1271_debug(DEBUG_CRYPT, "ap key action: %d id: %d lid: %d type: %d" 13137b3115f2SLuciano Coelho " hlid: %d", (int)action, (int)id, (int)lid_type, 13147b3115f2SLuciano Coelho (int)key_type, (int)hlid); 13157b3115f2SLuciano Coelho 13167b3115f2SLuciano Coelho cmd->lid_key_type = lid_type; 13177b3115f2SLuciano Coelho cmd->hlid = hlid; 13187b3115f2SLuciano Coelho cmd->key_action = cpu_to_le16(action); 13197b3115f2SLuciano Coelho cmd->key_size = key_size; 13207b3115f2SLuciano Coelho cmd->key_type = key_type; 13217b3115f2SLuciano Coelho cmd->key_id = id; 13227b3115f2SLuciano Coelho cmd->ac_seq_num16[0] = cpu_to_le16(tx_seq_16); 13237b3115f2SLuciano Coelho cmd->ac_seq_num32[0] = cpu_to_le32(tx_seq_32); 13247b3115f2SLuciano Coelho 13257b3115f2SLuciano Coelho if (key_type == KEY_TKIP) { 13267b3115f2SLuciano Coelho /* 13277b3115f2SLuciano Coelho * We get the key in the following form: 13287b3115f2SLuciano Coelho * TKIP (16 bytes) - TX MIC (8 bytes) - RX MIC (8 bytes) 13297b3115f2SLuciano Coelho * but the target is expecting: 13307b3115f2SLuciano Coelho * TKIP - RX MIC - TX MIC 13317b3115f2SLuciano Coelho */ 13327b3115f2SLuciano Coelho memcpy(cmd->key, key, 16); 13337b3115f2SLuciano Coelho memcpy(cmd->key + 16, key + 24, 8); 13347b3115f2SLuciano Coelho memcpy(cmd->key + 24, key + 16, 8); 13357b3115f2SLuciano Coelho } else { 13367b3115f2SLuciano Coelho memcpy(cmd->key, key, key_size); 13377b3115f2SLuciano Coelho } 13387b3115f2SLuciano Coelho 13397b3115f2SLuciano Coelho wl1271_dump(DEBUG_CRYPT, "TARGET AP KEY: ", cmd, sizeof(*cmd)); 13407b3115f2SLuciano Coelho 13417b3115f2SLuciano Coelho ret = wl1271_cmd_send(wl, CMD_SET_KEYS, cmd, sizeof(*cmd), 0); 13427b3115f2SLuciano Coelho if (ret < 0) { 13437b3115f2SLuciano Coelho wl1271_warning("could not set ap keys"); 13447b3115f2SLuciano Coelho goto out; 13457b3115f2SLuciano Coelho } 13467b3115f2SLuciano Coelho 13477b3115f2SLuciano Coelho out: 13487b3115f2SLuciano Coelho kfree(cmd); 13497b3115f2SLuciano Coelho return ret; 13507b3115f2SLuciano Coelho } 13517b3115f2SLuciano Coelho 13527b3115f2SLuciano Coelho int wl12xx_cmd_set_peer_state(struct wl1271 *wl, u8 hlid) 13537b3115f2SLuciano Coelho { 13547b3115f2SLuciano Coelho struct wl12xx_cmd_set_peer_state *cmd; 13557b3115f2SLuciano Coelho int ret = 0; 13567b3115f2SLuciano Coelho 13577b3115f2SLuciano Coelho wl1271_debug(DEBUG_CMD, "cmd set peer state (hlid=%d)", hlid); 13587b3115f2SLuciano Coelho 13597b3115f2SLuciano Coelho cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 13607b3115f2SLuciano Coelho if (!cmd) { 13617b3115f2SLuciano Coelho ret = -ENOMEM; 13627b3115f2SLuciano Coelho goto out; 13637b3115f2SLuciano Coelho } 13647b3115f2SLuciano Coelho 13657b3115f2SLuciano Coelho cmd->hlid = hlid; 13667b3115f2SLuciano Coelho cmd->state = WL1271_CMD_STA_STATE_CONNECTED; 13677b3115f2SLuciano Coelho 13687b3115f2SLuciano Coelho ret = wl1271_cmd_send(wl, CMD_SET_PEER_STATE, cmd, sizeof(*cmd), 0); 13697b3115f2SLuciano Coelho if (ret < 0) { 13707b3115f2SLuciano Coelho wl1271_error("failed to send set peer state command"); 13717b3115f2SLuciano Coelho goto out_free; 13727b3115f2SLuciano Coelho } 13737b3115f2SLuciano Coelho 13747b3115f2SLuciano Coelho out_free: 13757b3115f2SLuciano Coelho kfree(cmd); 13767b3115f2SLuciano Coelho 13777b3115f2SLuciano Coelho out: 13787b3115f2SLuciano Coelho return ret; 13797b3115f2SLuciano Coelho } 13807b3115f2SLuciano Coelho 13817b3115f2SLuciano Coelho int wl12xx_cmd_add_peer(struct wl1271 *wl, struct wl12xx_vif *wlvif, 13827b3115f2SLuciano Coelho struct ieee80211_sta *sta, u8 hlid) 13837b3115f2SLuciano Coelho { 13847b3115f2SLuciano Coelho struct wl12xx_cmd_add_peer *cmd; 13857b3115f2SLuciano Coelho int i, ret; 13867b3115f2SLuciano Coelho u32 sta_rates; 13877b3115f2SLuciano Coelho 13887b3115f2SLuciano Coelho wl1271_debug(DEBUG_CMD, "cmd add peer %d", (int)hlid); 13897b3115f2SLuciano Coelho 13907b3115f2SLuciano Coelho cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 13917b3115f2SLuciano Coelho if (!cmd) { 13927b3115f2SLuciano Coelho ret = -ENOMEM; 13937b3115f2SLuciano Coelho goto out; 13947b3115f2SLuciano Coelho } 13957b3115f2SLuciano Coelho 13967b3115f2SLuciano Coelho memcpy(cmd->addr, sta->addr, ETH_ALEN); 13977b3115f2SLuciano Coelho cmd->bss_index = WL1271_AP_BSS_INDEX; 13987b3115f2SLuciano Coelho cmd->aid = sta->aid; 13997b3115f2SLuciano Coelho cmd->hlid = hlid; 14007b3115f2SLuciano Coelho cmd->sp_len = sta->max_sp; 14017b3115f2SLuciano Coelho cmd->wmm = sta->wme ? 1 : 0; 14027b3115f2SLuciano Coelho 14037b3115f2SLuciano Coelho for (i = 0; i < NUM_ACCESS_CATEGORIES_COPY; i++) 14047b3115f2SLuciano Coelho if (sta->wme && (sta->uapsd_queues & BIT(i))) 14052e42c203SYoni Divinsky cmd->psd_type[NUM_ACCESS_CATEGORIES_COPY-1-i] = 14062e42c203SYoni Divinsky WL1271_PSD_UPSD_TRIGGER; 14077b3115f2SLuciano Coelho else 14082e42c203SYoni Divinsky cmd->psd_type[NUM_ACCESS_CATEGORIES_COPY-1-i] = 14092e42c203SYoni Divinsky WL1271_PSD_LEGACY; 14102e42c203SYoni Divinsky 14117b3115f2SLuciano Coelho 14127b3115f2SLuciano Coelho sta_rates = sta->supp_rates[wlvif->band]; 14137b3115f2SLuciano Coelho if (sta->ht_cap.ht_supported) 1414b3a47ee0SArik Nemtsov sta_rates |= 1415b3a47ee0SArik Nemtsov (sta->ht_cap.mcs.rx_mask[0] << HW_HT_RATES_OFFSET) | 1416b3a47ee0SArik Nemtsov (sta->ht_cap.mcs.rx_mask[1] << HW_MIMO_RATES_OFFSET); 14177b3115f2SLuciano Coelho 14187b3115f2SLuciano Coelho cmd->supported_rates = 14197b3115f2SLuciano Coelho cpu_to_le32(wl1271_tx_enabled_rates_get(wl, sta_rates, 14207b3115f2SLuciano Coelho wlvif->band)); 14217b3115f2SLuciano Coelho 14227b3115f2SLuciano Coelho wl1271_debug(DEBUG_CMD, "new peer rates=0x%x queues=0x%x", 14237b3115f2SLuciano Coelho cmd->supported_rates, sta->uapsd_queues); 14247b3115f2SLuciano Coelho 14257b3115f2SLuciano Coelho ret = wl1271_cmd_send(wl, CMD_ADD_PEER, cmd, sizeof(*cmd), 0); 14267b3115f2SLuciano Coelho if (ret < 0) { 14277b3115f2SLuciano Coelho wl1271_error("failed to initiate cmd add peer"); 14287b3115f2SLuciano Coelho goto out_free; 14297b3115f2SLuciano Coelho } 14307b3115f2SLuciano Coelho 14317b3115f2SLuciano Coelho out_free: 14327b3115f2SLuciano Coelho kfree(cmd); 14337b3115f2SLuciano Coelho 14347b3115f2SLuciano Coelho out: 14357b3115f2SLuciano Coelho return ret; 14367b3115f2SLuciano Coelho } 14377b3115f2SLuciano Coelho 14387b3115f2SLuciano Coelho int wl12xx_cmd_remove_peer(struct wl1271 *wl, u8 hlid) 14397b3115f2SLuciano Coelho { 14407b3115f2SLuciano Coelho struct wl12xx_cmd_remove_peer *cmd; 14417b3115f2SLuciano Coelho int ret; 14426c15c1aaSEyal Shapira bool timeout = false; 14437b3115f2SLuciano Coelho 14447b3115f2SLuciano Coelho wl1271_debug(DEBUG_CMD, "cmd remove peer %d", (int)hlid); 14457b3115f2SLuciano Coelho 14467b3115f2SLuciano Coelho cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 14477b3115f2SLuciano Coelho if (!cmd) { 14487b3115f2SLuciano Coelho ret = -ENOMEM; 14497b3115f2SLuciano Coelho goto out; 14507b3115f2SLuciano Coelho } 14517b3115f2SLuciano Coelho 14527b3115f2SLuciano Coelho cmd->hlid = hlid; 14537b3115f2SLuciano Coelho /* We never send a deauth, mac80211 is in charge of this */ 14547b3115f2SLuciano Coelho cmd->reason_opcode = 0; 14557b3115f2SLuciano Coelho cmd->send_deauth_flag = 0; 14567b3115f2SLuciano Coelho 14577b3115f2SLuciano Coelho ret = wl1271_cmd_send(wl, CMD_REMOVE_PEER, cmd, sizeof(*cmd), 0); 14587b3115f2SLuciano Coelho if (ret < 0) { 14597b3115f2SLuciano Coelho wl1271_error("failed to initiate cmd remove peer"); 14607b3115f2SLuciano Coelho goto out_free; 14617b3115f2SLuciano Coelho } 14627b3115f2SLuciano Coelho 14636c15c1aaSEyal Shapira ret = wl1271_cmd_wait_for_event_or_timeout(wl, 14646c15c1aaSEyal Shapira PEER_REMOVE_COMPLETE_EVENT_ID, 14656c15c1aaSEyal Shapira &timeout); 14667b3115f2SLuciano Coelho /* 14677b3115f2SLuciano Coelho * We are ok with a timeout here. The event is sometimes not sent 14686c15c1aaSEyal Shapira * due to a firmware bug. In case of another error (like SDIO timeout) 14696c15c1aaSEyal Shapira * queue a recovery. 14707b3115f2SLuciano Coelho */ 14716c15c1aaSEyal Shapira if (ret) 14726c15c1aaSEyal Shapira wl12xx_queue_recovery_work(wl); 14737b3115f2SLuciano Coelho 14747b3115f2SLuciano Coelho out_free: 14757b3115f2SLuciano Coelho kfree(cmd); 14767b3115f2SLuciano Coelho 14777b3115f2SLuciano Coelho out: 14787b3115f2SLuciano Coelho return ret; 14797b3115f2SLuciano Coelho } 14807b3115f2SLuciano Coelho 14817b3115f2SLuciano Coelho int wl12xx_cmd_config_fwlog(struct wl1271 *wl) 14827b3115f2SLuciano Coelho { 14837b3115f2SLuciano Coelho struct wl12xx_cmd_config_fwlog *cmd; 14847b3115f2SLuciano Coelho int ret = 0; 14857b3115f2SLuciano Coelho 14867b3115f2SLuciano Coelho wl1271_debug(DEBUG_CMD, "cmd config firmware logger"); 14877b3115f2SLuciano Coelho 14887b3115f2SLuciano Coelho cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 14897b3115f2SLuciano Coelho if (!cmd) { 14907b3115f2SLuciano Coelho ret = -ENOMEM; 14917b3115f2SLuciano Coelho goto out; 14927b3115f2SLuciano Coelho } 14937b3115f2SLuciano Coelho 14947b3115f2SLuciano Coelho cmd->logger_mode = wl->conf.fwlog.mode; 14957b3115f2SLuciano Coelho cmd->log_severity = wl->conf.fwlog.severity; 14967b3115f2SLuciano Coelho cmd->timestamp = wl->conf.fwlog.timestamp; 14977b3115f2SLuciano Coelho cmd->output = wl->conf.fwlog.output; 14987b3115f2SLuciano Coelho cmd->threshold = wl->conf.fwlog.threshold; 14997b3115f2SLuciano Coelho 15007b3115f2SLuciano Coelho ret = wl1271_cmd_send(wl, CMD_CONFIG_FWLOGGER, cmd, sizeof(*cmd), 0); 15017b3115f2SLuciano Coelho if (ret < 0) { 15027b3115f2SLuciano Coelho wl1271_error("failed to send config firmware logger command"); 15037b3115f2SLuciano Coelho goto out_free; 15047b3115f2SLuciano Coelho } 15057b3115f2SLuciano Coelho 15067b3115f2SLuciano Coelho out_free: 15077b3115f2SLuciano Coelho kfree(cmd); 15087b3115f2SLuciano Coelho 15097b3115f2SLuciano Coelho out: 15107b3115f2SLuciano Coelho return ret; 15117b3115f2SLuciano Coelho } 15127b3115f2SLuciano Coelho 15137b3115f2SLuciano Coelho int wl12xx_cmd_start_fwlog(struct wl1271 *wl) 15147b3115f2SLuciano Coelho { 15157b3115f2SLuciano Coelho struct wl12xx_cmd_start_fwlog *cmd; 15167b3115f2SLuciano Coelho int ret = 0; 15177b3115f2SLuciano Coelho 15187b3115f2SLuciano Coelho wl1271_debug(DEBUG_CMD, "cmd start firmware logger"); 15197b3115f2SLuciano Coelho 15207b3115f2SLuciano Coelho cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 15217b3115f2SLuciano Coelho if (!cmd) { 15227b3115f2SLuciano Coelho ret = -ENOMEM; 15237b3115f2SLuciano Coelho goto out; 15247b3115f2SLuciano Coelho } 15257b3115f2SLuciano Coelho 15267b3115f2SLuciano Coelho ret = wl1271_cmd_send(wl, CMD_START_FWLOGGER, cmd, sizeof(*cmd), 0); 15277b3115f2SLuciano Coelho if (ret < 0) { 15287b3115f2SLuciano Coelho wl1271_error("failed to send start firmware logger command"); 15297b3115f2SLuciano Coelho goto out_free; 15307b3115f2SLuciano Coelho } 15317b3115f2SLuciano Coelho 15327b3115f2SLuciano Coelho out_free: 15337b3115f2SLuciano Coelho kfree(cmd); 15347b3115f2SLuciano Coelho 15357b3115f2SLuciano Coelho out: 15367b3115f2SLuciano Coelho return ret; 15377b3115f2SLuciano Coelho } 15387b3115f2SLuciano Coelho 15397b3115f2SLuciano Coelho int wl12xx_cmd_stop_fwlog(struct wl1271 *wl) 15407b3115f2SLuciano Coelho { 15417b3115f2SLuciano Coelho struct wl12xx_cmd_stop_fwlog *cmd; 15427b3115f2SLuciano Coelho int ret = 0; 15437b3115f2SLuciano Coelho 15447b3115f2SLuciano Coelho wl1271_debug(DEBUG_CMD, "cmd stop firmware logger"); 15457b3115f2SLuciano Coelho 15467b3115f2SLuciano Coelho cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 15477b3115f2SLuciano Coelho if (!cmd) { 15487b3115f2SLuciano Coelho ret = -ENOMEM; 15497b3115f2SLuciano Coelho goto out; 15507b3115f2SLuciano Coelho } 15517b3115f2SLuciano Coelho 15527b3115f2SLuciano Coelho ret = wl1271_cmd_send(wl, CMD_STOP_FWLOGGER, cmd, sizeof(*cmd), 0); 15537b3115f2SLuciano Coelho if (ret < 0) { 15547b3115f2SLuciano Coelho wl1271_error("failed to send stop firmware logger command"); 15557b3115f2SLuciano Coelho goto out_free; 15567b3115f2SLuciano Coelho } 15577b3115f2SLuciano Coelho 15587b3115f2SLuciano Coelho out_free: 15597b3115f2SLuciano Coelho kfree(cmd); 15607b3115f2SLuciano Coelho 15617b3115f2SLuciano Coelho out: 15627b3115f2SLuciano Coelho return ret; 15637b3115f2SLuciano Coelho } 15647b3115f2SLuciano Coelho 15657b3115f2SLuciano Coelho static int wl12xx_cmd_roc(struct wl1271 *wl, struct wl12xx_vif *wlvif, 15667b3115f2SLuciano Coelho u8 role_id) 15677b3115f2SLuciano Coelho { 15687b3115f2SLuciano Coelho struct wl12xx_cmd_roc *cmd; 15697b3115f2SLuciano Coelho int ret = 0; 15707b3115f2SLuciano Coelho 15717b3115f2SLuciano Coelho wl1271_debug(DEBUG_CMD, "cmd roc %d (%d)", wlvif->channel, role_id); 15727b3115f2SLuciano Coelho 15737b3115f2SLuciano Coelho if (WARN_ON(role_id == WL12XX_INVALID_ROLE_ID)) 15747b3115f2SLuciano Coelho return -EINVAL; 15757b3115f2SLuciano Coelho 15767b3115f2SLuciano Coelho cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 15777b3115f2SLuciano Coelho if (!cmd) { 15787b3115f2SLuciano Coelho ret = -ENOMEM; 15797b3115f2SLuciano Coelho goto out; 15807b3115f2SLuciano Coelho } 15817b3115f2SLuciano Coelho 15827b3115f2SLuciano Coelho cmd->role_id = role_id; 15837b3115f2SLuciano Coelho cmd->channel = wlvif->channel; 15847b3115f2SLuciano Coelho switch (wlvif->band) { 15857b3115f2SLuciano Coelho case IEEE80211_BAND_2GHZ: 158600782136SLuciano Coelho cmd->band = WLCORE_BAND_2_4GHZ; 15877b3115f2SLuciano Coelho break; 15887b3115f2SLuciano Coelho case IEEE80211_BAND_5GHZ: 158900782136SLuciano Coelho cmd->band = WLCORE_BAND_5GHZ; 15907b3115f2SLuciano Coelho break; 15917b3115f2SLuciano Coelho default: 15927b3115f2SLuciano Coelho wl1271_error("roc - unknown band: %d", (int)wlvif->band); 15937b3115f2SLuciano Coelho ret = -EINVAL; 15947b3115f2SLuciano Coelho goto out_free; 15957b3115f2SLuciano Coelho } 15967b3115f2SLuciano Coelho 15977b3115f2SLuciano Coelho 15987b3115f2SLuciano Coelho ret = wl1271_cmd_send(wl, CMD_REMAIN_ON_CHANNEL, cmd, sizeof(*cmd), 0); 15997b3115f2SLuciano Coelho if (ret < 0) { 16007b3115f2SLuciano Coelho wl1271_error("failed to send ROC command"); 16017b3115f2SLuciano Coelho goto out_free; 16027b3115f2SLuciano Coelho } 16037b3115f2SLuciano Coelho 16047b3115f2SLuciano Coelho out_free: 16057b3115f2SLuciano Coelho kfree(cmd); 16067b3115f2SLuciano Coelho 16077b3115f2SLuciano Coelho out: 16087b3115f2SLuciano Coelho return ret; 16097b3115f2SLuciano Coelho } 16107b3115f2SLuciano Coelho 16117b3115f2SLuciano Coelho static int wl12xx_cmd_croc(struct wl1271 *wl, u8 role_id) 16127b3115f2SLuciano Coelho { 16137b3115f2SLuciano Coelho struct wl12xx_cmd_croc *cmd; 16147b3115f2SLuciano Coelho int ret = 0; 16157b3115f2SLuciano Coelho 16167b3115f2SLuciano Coelho wl1271_debug(DEBUG_CMD, "cmd croc (%d)", role_id); 16177b3115f2SLuciano Coelho 16187b3115f2SLuciano Coelho cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 16197b3115f2SLuciano Coelho if (!cmd) { 16207b3115f2SLuciano Coelho ret = -ENOMEM; 16217b3115f2SLuciano Coelho goto out; 16227b3115f2SLuciano Coelho } 16237b3115f2SLuciano Coelho cmd->role_id = role_id; 16247b3115f2SLuciano Coelho 16257b3115f2SLuciano Coelho ret = wl1271_cmd_send(wl, CMD_CANCEL_REMAIN_ON_CHANNEL, cmd, 16267b3115f2SLuciano Coelho sizeof(*cmd), 0); 16277b3115f2SLuciano Coelho if (ret < 0) { 16287b3115f2SLuciano Coelho wl1271_error("failed to send ROC command"); 16297b3115f2SLuciano Coelho goto out_free; 16307b3115f2SLuciano Coelho } 16317b3115f2SLuciano Coelho 16327b3115f2SLuciano Coelho out_free: 16337b3115f2SLuciano Coelho kfree(cmd); 16347b3115f2SLuciano Coelho 16357b3115f2SLuciano Coelho out: 16367b3115f2SLuciano Coelho return ret; 16377b3115f2SLuciano Coelho } 16387b3115f2SLuciano Coelho 16397b3115f2SLuciano Coelho int wl12xx_roc(struct wl1271 *wl, struct wl12xx_vif *wlvif, u8 role_id) 16407b3115f2SLuciano Coelho { 16417b3115f2SLuciano Coelho int ret = 0; 1642a4203c64SVictor Goldenshtein bool is_first_roc; 16437b3115f2SLuciano Coelho 16447b3115f2SLuciano Coelho if (WARN_ON(test_bit(role_id, wl->roc_map))) 16457b3115f2SLuciano Coelho return 0; 16467b3115f2SLuciano Coelho 1647a4203c64SVictor Goldenshtein is_first_roc = (find_first_bit(wl->roc_map, WL12XX_MAX_ROLES) >= 1648a4203c64SVictor Goldenshtein WL12XX_MAX_ROLES); 1649a4203c64SVictor Goldenshtein 16507b3115f2SLuciano Coelho ret = wl12xx_cmd_roc(wl, wlvif, role_id); 16517b3115f2SLuciano Coelho if (ret < 0) 16527b3115f2SLuciano Coelho goto out; 16537b3115f2SLuciano Coelho 1654a4203c64SVictor Goldenshtein if (is_first_roc) { 16557b3115f2SLuciano Coelho ret = wl1271_cmd_wait_for_event(wl, 16567b3115f2SLuciano Coelho REMAIN_ON_CHANNEL_COMPLETE_EVENT_ID); 16577b3115f2SLuciano Coelho if (ret < 0) { 16587b3115f2SLuciano Coelho wl1271_error("cmd roc event completion error"); 16597b3115f2SLuciano Coelho goto out; 16607b3115f2SLuciano Coelho } 1661a4203c64SVictor Goldenshtein } 16627b3115f2SLuciano Coelho 16637b3115f2SLuciano Coelho __set_bit(role_id, wl->roc_map); 16647b3115f2SLuciano Coelho out: 16657b3115f2SLuciano Coelho return ret; 16667b3115f2SLuciano Coelho } 16677b3115f2SLuciano Coelho 16687b3115f2SLuciano Coelho int wl12xx_croc(struct wl1271 *wl, u8 role_id) 16697b3115f2SLuciano Coelho { 16707b3115f2SLuciano Coelho int ret = 0; 16717b3115f2SLuciano Coelho 16727b3115f2SLuciano Coelho if (WARN_ON(!test_bit(role_id, wl->roc_map))) 16737b3115f2SLuciano Coelho return 0; 16747b3115f2SLuciano Coelho 16757b3115f2SLuciano Coelho ret = wl12xx_cmd_croc(wl, role_id); 16767b3115f2SLuciano Coelho if (ret < 0) 16777b3115f2SLuciano Coelho goto out; 16787b3115f2SLuciano Coelho 16797b3115f2SLuciano Coelho __clear_bit(role_id, wl->roc_map); 16807b3115f2SLuciano Coelho 16817b3115f2SLuciano Coelho /* 16827b3115f2SLuciano Coelho * Rearm the tx watchdog when removing the last ROC. This prevents 16837b3115f2SLuciano Coelho * recoveries due to just finished ROCs - when Tx hasn't yet had 16847b3115f2SLuciano Coelho * a chance to get out. 16857b3115f2SLuciano Coelho */ 16867b3115f2SLuciano Coelho if (find_first_bit(wl->roc_map, WL12XX_MAX_ROLES) >= WL12XX_MAX_ROLES) 16877b3115f2SLuciano Coelho wl12xx_rearm_tx_watchdog_locked(wl); 16887b3115f2SLuciano Coelho out: 16897b3115f2SLuciano Coelho return ret; 16907b3115f2SLuciano Coelho } 16917b3115f2SLuciano Coelho 16927b3115f2SLuciano Coelho int wl12xx_cmd_channel_switch(struct wl1271 *wl, 16937b3115f2SLuciano Coelho struct wl12xx_vif *wlvif, 16947b3115f2SLuciano Coelho struct ieee80211_channel_switch *ch_switch) 16957b3115f2SLuciano Coelho { 16967b3115f2SLuciano Coelho struct wl12xx_cmd_channel_switch *cmd; 16977b3115f2SLuciano Coelho int ret; 16987b3115f2SLuciano Coelho 16997b3115f2SLuciano Coelho wl1271_debug(DEBUG_ACX, "cmd channel switch"); 17007b3115f2SLuciano Coelho 17017b3115f2SLuciano Coelho cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 17027b3115f2SLuciano Coelho if (!cmd) { 17037b3115f2SLuciano Coelho ret = -ENOMEM; 17047b3115f2SLuciano Coelho goto out; 17057b3115f2SLuciano Coelho } 17067b3115f2SLuciano Coelho 17077b3115f2SLuciano Coelho cmd->role_id = wlvif->role_id; 17087b3115f2SLuciano Coelho cmd->channel = ch_switch->channel->hw_value; 17097b3115f2SLuciano Coelho cmd->switch_time = ch_switch->count; 17107b3115f2SLuciano Coelho cmd->stop_tx = ch_switch->block_tx; 17117b3115f2SLuciano Coelho 17127b3115f2SLuciano Coelho /* FIXME: control from mac80211 in the future */ 17137b3115f2SLuciano Coelho cmd->post_switch_tx_disable = 0; /* Enable TX on the target channel */ 17147b3115f2SLuciano Coelho 17157b3115f2SLuciano Coelho ret = wl1271_cmd_send(wl, CMD_CHANNEL_SWITCH, cmd, sizeof(*cmd), 0); 17167b3115f2SLuciano Coelho if (ret < 0) { 17177b3115f2SLuciano Coelho wl1271_error("failed to send channel switch command"); 17187b3115f2SLuciano Coelho goto out_free; 17197b3115f2SLuciano Coelho } 17207b3115f2SLuciano Coelho 17217b3115f2SLuciano Coelho out_free: 17227b3115f2SLuciano Coelho kfree(cmd); 17237b3115f2SLuciano Coelho 17247b3115f2SLuciano Coelho out: 17257b3115f2SLuciano Coelho return ret; 17267b3115f2SLuciano Coelho } 17277b3115f2SLuciano Coelho 17287b3115f2SLuciano Coelho int wl12xx_cmd_stop_channel_switch(struct wl1271 *wl) 17297b3115f2SLuciano Coelho { 17307b3115f2SLuciano Coelho struct wl12xx_cmd_stop_channel_switch *cmd; 17317b3115f2SLuciano Coelho int ret; 17327b3115f2SLuciano Coelho 17337b3115f2SLuciano Coelho wl1271_debug(DEBUG_ACX, "cmd stop channel switch"); 17347b3115f2SLuciano Coelho 17357b3115f2SLuciano Coelho cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 17367b3115f2SLuciano Coelho if (!cmd) { 17377b3115f2SLuciano Coelho ret = -ENOMEM; 17387b3115f2SLuciano Coelho goto out; 17397b3115f2SLuciano Coelho } 17407b3115f2SLuciano Coelho 17417b3115f2SLuciano Coelho ret = wl1271_cmd_send(wl, CMD_STOP_CHANNEL_SWICTH, cmd, sizeof(*cmd), 0); 17427b3115f2SLuciano Coelho if (ret < 0) { 17437b3115f2SLuciano Coelho wl1271_error("failed to stop channel switch command"); 17447b3115f2SLuciano Coelho goto out_free; 17457b3115f2SLuciano Coelho } 17467b3115f2SLuciano Coelho 17477b3115f2SLuciano Coelho out_free: 17487b3115f2SLuciano Coelho kfree(cmd); 17497b3115f2SLuciano Coelho 17507b3115f2SLuciano Coelho out: 17517b3115f2SLuciano Coelho return ret; 17527b3115f2SLuciano Coelho } 17537b3115f2SLuciano Coelho 17547b3115f2SLuciano Coelho /* start dev role and roc on its channel */ 17557b3115f2SLuciano Coelho int wl12xx_start_dev(struct wl1271 *wl, struct wl12xx_vif *wlvif) 17567b3115f2SLuciano Coelho { 17577b3115f2SLuciano Coelho int ret; 17587b3115f2SLuciano Coelho 17597b3115f2SLuciano Coelho if (WARN_ON(!(wlvif->bss_type == BSS_TYPE_STA_BSS || 17607b3115f2SLuciano Coelho wlvif->bss_type == BSS_TYPE_IBSS))) 17617b3115f2SLuciano Coelho return -EINVAL; 17627b3115f2SLuciano Coelho 17637b3115f2SLuciano Coelho ret = wl12xx_cmd_role_start_dev(wl, wlvif); 17647b3115f2SLuciano Coelho if (ret < 0) 17657b3115f2SLuciano Coelho goto out; 17667b3115f2SLuciano Coelho 17677b3115f2SLuciano Coelho ret = wl12xx_roc(wl, wlvif, wlvif->dev_role_id); 17687b3115f2SLuciano Coelho if (ret < 0) 17697b3115f2SLuciano Coelho goto out_stop; 17707b3115f2SLuciano Coelho 17717b3115f2SLuciano Coelho return 0; 17727b3115f2SLuciano Coelho 17737b3115f2SLuciano Coelho out_stop: 17747b3115f2SLuciano Coelho wl12xx_cmd_role_stop_dev(wl, wlvif); 17757b3115f2SLuciano Coelho out: 17767b3115f2SLuciano Coelho return ret; 17777b3115f2SLuciano Coelho } 17787b3115f2SLuciano Coelho 17797b3115f2SLuciano Coelho /* croc dev hlid, and stop the role */ 17807b3115f2SLuciano Coelho int wl12xx_stop_dev(struct wl1271 *wl, struct wl12xx_vif *wlvif) 17817b3115f2SLuciano Coelho { 17827b3115f2SLuciano Coelho int ret; 17837b3115f2SLuciano Coelho 17847b3115f2SLuciano Coelho if (WARN_ON(!(wlvif->bss_type == BSS_TYPE_STA_BSS || 17857b3115f2SLuciano Coelho wlvif->bss_type == BSS_TYPE_IBSS))) 17867b3115f2SLuciano Coelho return -EINVAL; 17877b3115f2SLuciano Coelho 17887b3115f2SLuciano Coelho /* flush all pending packets */ 1789eb96f841SIdo Yariv ret = wlcore_tx_work_locked(wl); 1790eb96f841SIdo Yariv if (ret < 0) 1791eb96f841SIdo Yariv goto out; 17927b3115f2SLuciano Coelho 17937b3115f2SLuciano Coelho if (test_bit(wlvif->dev_role_id, wl->roc_map)) { 17947b3115f2SLuciano Coelho ret = wl12xx_croc(wl, wlvif->dev_role_id); 17957b3115f2SLuciano Coelho if (ret < 0) 17967b3115f2SLuciano Coelho goto out; 17977b3115f2SLuciano Coelho } 17987b3115f2SLuciano Coelho 17997b3115f2SLuciano Coelho ret = wl12xx_cmd_role_stop_dev(wl, wlvif); 18007b3115f2SLuciano Coelho if (ret < 0) 18017b3115f2SLuciano Coelho goto out; 18027b3115f2SLuciano Coelho out: 18037b3115f2SLuciano Coelho return ret; 18047b3115f2SLuciano Coelho } 1805