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 42c45ee4ffSYoni Divinsky #define WL1271_WAIT_EVENT_FAST_POLL_COUNT 20 437b3115f2SLuciano Coelho 447b3115f2SLuciano Coelho /* 457b3115f2SLuciano Coelho * send command to firmware 467b3115f2SLuciano Coelho * 477b3115f2SLuciano Coelho * @wl: wl struct 487b3115f2SLuciano Coelho * @id: command id 497b3115f2SLuciano Coelho * @buf: buffer containing the command, must work with dma 507b3115f2SLuciano Coelho * @len: length of the buffer 517b3115f2SLuciano Coelho */ 527b3115f2SLuciano Coelho int wl1271_cmd_send(struct wl1271 *wl, u16 id, void *buf, size_t len, 537b3115f2SLuciano Coelho size_t res_len) 547b3115f2SLuciano Coelho { 557b3115f2SLuciano Coelho struct wl1271_cmd_header *cmd; 567b3115f2SLuciano Coelho unsigned long timeout; 577b3115f2SLuciano Coelho u32 intr; 587b3115f2SLuciano Coelho int ret = 0; 597b3115f2SLuciano Coelho u16 status; 607b3115f2SLuciano Coelho u16 poll_count = 0; 617b3115f2SLuciano Coelho 624cc53383SIdo Yariv if (WARN_ON(unlikely(wl->state == WLCORE_STATE_RESTARTING))) 634cc53383SIdo Yariv return -EIO; 644cc53383SIdo Yariv 657b3115f2SLuciano Coelho cmd = buf; 667b3115f2SLuciano Coelho cmd->id = cpu_to_le16(id); 677b3115f2SLuciano Coelho cmd->status = 0; 687b3115f2SLuciano Coelho 697b3115f2SLuciano Coelho WARN_ON(len % 4 != 0); 707b3115f2SLuciano Coelho WARN_ON(test_bit(WL1271_FLAG_IN_ELP, &wl->flags)); 717b3115f2SLuciano Coelho 72eb96f841SIdo Yariv ret = wlcore_write(wl, wl->cmd_box_addr, buf, len, false); 73eb96f841SIdo Yariv if (ret < 0) 74eb96f841SIdo Yariv goto fail; 757b3115f2SLuciano Coelho 76f16ff758SLuciano Coelho /* 77f16ff758SLuciano Coelho * TODO: we just need this because one bit is in a different 78f16ff758SLuciano Coelho * place. Is there any better way? 79f16ff758SLuciano Coelho */ 80eb96f841SIdo Yariv ret = wl->ops->trigger_cmd(wl, wl->cmd_box_addr, buf, len); 81eb96f841SIdo Yariv if (ret < 0) 82eb96f841SIdo Yariv goto fail; 837b3115f2SLuciano Coelho 847b3115f2SLuciano Coelho timeout = jiffies + msecs_to_jiffies(WL1271_COMMAND_TIMEOUT); 857b3115f2SLuciano Coelho 866134323fSIdo Yariv ret = wlcore_read_reg(wl, REG_INTERRUPT_NO_CLEAR, &intr); 876134323fSIdo Yariv if (ret < 0) 886134323fSIdo Yariv goto fail; 896134323fSIdo Yariv 907b3115f2SLuciano Coelho while (!(intr & WL1271_ACX_INTR_CMD_COMPLETE)) { 917b3115f2SLuciano Coelho if (time_after(jiffies, timeout)) { 927b3115f2SLuciano Coelho wl1271_error("command complete timeout"); 937b3115f2SLuciano Coelho ret = -ETIMEDOUT; 947b3115f2SLuciano Coelho goto fail; 957b3115f2SLuciano Coelho } 967b3115f2SLuciano Coelho 977b3115f2SLuciano Coelho poll_count++; 987b3115f2SLuciano Coelho if (poll_count < WL1271_CMD_FAST_POLL_COUNT) 997b3115f2SLuciano Coelho udelay(10); 1007b3115f2SLuciano Coelho else 1017b3115f2SLuciano Coelho msleep(1); 1027b3115f2SLuciano Coelho 1036134323fSIdo Yariv ret = wlcore_read_reg(wl, REG_INTERRUPT_NO_CLEAR, &intr); 1046134323fSIdo Yariv if (ret < 0) 1056134323fSIdo Yariv goto fail; 1067b3115f2SLuciano Coelho } 1077b3115f2SLuciano Coelho 1087b3115f2SLuciano Coelho /* read back the status code of the command */ 1097b3115f2SLuciano Coelho if (res_len == 0) 1107b3115f2SLuciano Coelho res_len = sizeof(struct wl1271_cmd_header); 111045b9b5fSIdo Yariv 112045b9b5fSIdo Yariv ret = wlcore_read(wl, wl->cmd_box_addr, cmd, res_len, false); 113045b9b5fSIdo Yariv if (ret < 0) 114045b9b5fSIdo Yariv goto fail; 1157b3115f2SLuciano Coelho 1167b3115f2SLuciano Coelho status = le16_to_cpu(cmd->status); 1177b3115f2SLuciano Coelho if (status != CMD_STATUS_SUCCESS) { 1187b3115f2SLuciano Coelho wl1271_error("command execute failure %d", status); 1197b3115f2SLuciano Coelho ret = -EIO; 1207b3115f2SLuciano Coelho goto fail; 1217b3115f2SLuciano Coelho } 1227b3115f2SLuciano Coelho 123b0f0ad39SIdo Yariv ret = wlcore_write_reg(wl, REG_INTERRUPT_ACK, 124b0f0ad39SIdo Yariv WL1271_ACX_INTR_CMD_COMPLETE); 125b0f0ad39SIdo Yariv if (ret < 0) 126b0f0ad39SIdo Yariv goto fail; 127b0f0ad39SIdo Yariv 1287b3115f2SLuciano Coelho return 0; 1297b3115f2SLuciano Coelho 1307b3115f2SLuciano Coelho fail: 1317b3115f2SLuciano Coelho wl12xx_queue_recovery_work(wl); 1327b3115f2SLuciano Coelho return ret; 1337b3115f2SLuciano Coelho } 1347b3115f2SLuciano Coelho 1357b3115f2SLuciano Coelho /* 1367b3115f2SLuciano Coelho * Poll the mailbox event field until any of the bits in the mask is set or a 1377b3115f2SLuciano Coelho * timeout occurs (WL1271_EVENT_TIMEOUT in msecs) 1387b3115f2SLuciano Coelho */ 1396c15c1aaSEyal Shapira static int wl1271_cmd_wait_for_event_or_timeout(struct wl1271 *wl, 1406c15c1aaSEyal Shapira u32 mask, bool *timeout) 1417b3115f2SLuciano Coelho { 1427b3115f2SLuciano Coelho u32 *events_vector; 1437b3115f2SLuciano Coelho u32 event; 1446c15c1aaSEyal Shapira unsigned long timeout_time; 145c45ee4ffSYoni Divinsky u16 poll_count = 0; 1467b3115f2SLuciano Coelho int ret = 0; 1477b3115f2SLuciano Coelho 1486c15c1aaSEyal Shapira *timeout = false; 1496c15c1aaSEyal Shapira 1500230dfeaSDan Carpenter events_vector = kmalloc(sizeof(*events_vector), GFP_KERNEL | GFP_DMA); 1510230dfeaSDan Carpenter if (!events_vector) 1520230dfeaSDan Carpenter return -ENOMEM; 1537b3115f2SLuciano Coelho 1546c15c1aaSEyal Shapira timeout_time = jiffies + msecs_to_jiffies(WL1271_EVENT_TIMEOUT); 1557b3115f2SLuciano Coelho 1567b3115f2SLuciano Coelho do { 1576c15c1aaSEyal Shapira if (time_after(jiffies, timeout_time)) { 1587b3115f2SLuciano Coelho wl1271_debug(DEBUG_CMD, "timeout waiting for event %d", 1597b3115f2SLuciano Coelho (int)mask); 1606c15c1aaSEyal Shapira *timeout = true; 1617b3115f2SLuciano Coelho goto out; 1627b3115f2SLuciano Coelho } 1637b3115f2SLuciano Coelho 164c45ee4ffSYoni Divinsky poll_count++; 165c45ee4ffSYoni Divinsky if (poll_count < WL1271_WAIT_EVENT_FAST_POLL_COUNT) 166c45ee4ffSYoni Divinsky usleep_range(50, 51); 167c45ee4ffSYoni Divinsky else 168c45ee4ffSYoni Divinsky usleep_range(1000, 5000); 1697b3115f2SLuciano Coelho 1707b3115f2SLuciano Coelho /* read from both event fields */ 171045b9b5fSIdo Yariv ret = wlcore_read(wl, wl->mbox_ptr[0], events_vector, 1727b3115f2SLuciano Coelho sizeof(*events_vector), false); 173045b9b5fSIdo Yariv if (ret < 0) 174045b9b5fSIdo Yariv goto out; 175045b9b5fSIdo Yariv 1767b3115f2SLuciano Coelho event = *events_vector & mask; 177045b9b5fSIdo Yariv 178045b9b5fSIdo Yariv ret = wlcore_read(wl, wl->mbox_ptr[1], events_vector, 1797b3115f2SLuciano Coelho sizeof(*events_vector), false); 180045b9b5fSIdo Yariv if (ret < 0) 181045b9b5fSIdo Yariv goto out; 182045b9b5fSIdo Yariv 1837b3115f2SLuciano Coelho event |= *events_vector & mask; 1847b3115f2SLuciano Coelho } while (!event); 1857b3115f2SLuciano Coelho 1867b3115f2SLuciano Coelho out: 1877b3115f2SLuciano Coelho kfree(events_vector); 1887b3115f2SLuciano Coelho return ret; 1897b3115f2SLuciano Coelho } 1907b3115f2SLuciano Coelho 1917b3115f2SLuciano Coelho static int wl1271_cmd_wait_for_event(struct wl1271 *wl, u32 mask) 1927b3115f2SLuciano Coelho { 1937b3115f2SLuciano Coelho int ret; 1946c15c1aaSEyal Shapira bool timeout = false; 1957b3115f2SLuciano Coelho 1966c15c1aaSEyal Shapira ret = wl1271_cmd_wait_for_event_or_timeout(wl, mask, &timeout); 1976c15c1aaSEyal Shapira if (ret != 0 || timeout) { 1987b3115f2SLuciano Coelho wl12xx_queue_recovery_work(wl); 1997b3115f2SLuciano Coelho return ret; 2007b3115f2SLuciano Coelho } 2017b3115f2SLuciano Coelho 2027b3115f2SLuciano Coelho return 0; 2037b3115f2SLuciano Coelho } 2047b3115f2SLuciano Coelho 2057b3115f2SLuciano Coelho int wl12xx_cmd_role_enable(struct wl1271 *wl, u8 *addr, u8 role_type, 2067b3115f2SLuciano Coelho u8 *role_id) 2077b3115f2SLuciano Coelho { 2087b3115f2SLuciano Coelho struct wl12xx_cmd_role_enable *cmd; 2097b3115f2SLuciano Coelho int ret; 2107b3115f2SLuciano Coelho 2117b3115f2SLuciano Coelho wl1271_debug(DEBUG_CMD, "cmd role enable"); 2127b3115f2SLuciano Coelho 2137b3115f2SLuciano Coelho if (WARN_ON(*role_id != WL12XX_INVALID_ROLE_ID)) 2147b3115f2SLuciano Coelho return -EBUSY; 2157b3115f2SLuciano Coelho 2167b3115f2SLuciano Coelho cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 2177b3115f2SLuciano Coelho if (!cmd) { 2187b3115f2SLuciano Coelho ret = -ENOMEM; 2197b3115f2SLuciano Coelho goto out; 2207b3115f2SLuciano Coelho } 2217b3115f2SLuciano Coelho 2227b3115f2SLuciano Coelho /* get role id */ 2237b3115f2SLuciano Coelho cmd->role_id = find_first_zero_bit(wl->roles_map, WL12XX_MAX_ROLES); 2247b3115f2SLuciano Coelho if (cmd->role_id >= WL12XX_MAX_ROLES) { 2257b3115f2SLuciano Coelho ret = -EBUSY; 2267b3115f2SLuciano Coelho goto out_free; 2277b3115f2SLuciano Coelho } 2287b3115f2SLuciano Coelho 2297b3115f2SLuciano Coelho memcpy(cmd->mac_address, addr, ETH_ALEN); 2307b3115f2SLuciano Coelho cmd->role_type = role_type; 2317b3115f2SLuciano Coelho 2327b3115f2SLuciano Coelho ret = wl1271_cmd_send(wl, CMD_ROLE_ENABLE, cmd, sizeof(*cmd), 0); 2337b3115f2SLuciano Coelho if (ret < 0) { 2347b3115f2SLuciano Coelho wl1271_error("failed to initiate cmd role enable"); 2357b3115f2SLuciano Coelho goto out_free; 2367b3115f2SLuciano Coelho } 2377b3115f2SLuciano Coelho 2387b3115f2SLuciano Coelho __set_bit(cmd->role_id, wl->roles_map); 2397b3115f2SLuciano Coelho *role_id = cmd->role_id; 2407b3115f2SLuciano Coelho 2417b3115f2SLuciano Coelho out_free: 2427b3115f2SLuciano Coelho kfree(cmd); 2437b3115f2SLuciano Coelho 2447b3115f2SLuciano Coelho out: 2457b3115f2SLuciano Coelho return ret; 2467b3115f2SLuciano Coelho } 2477b3115f2SLuciano Coelho 2487b3115f2SLuciano Coelho int wl12xx_cmd_role_disable(struct wl1271 *wl, u8 *role_id) 2497b3115f2SLuciano Coelho { 2507b3115f2SLuciano Coelho struct wl12xx_cmd_role_disable *cmd; 2517b3115f2SLuciano Coelho int ret; 2527b3115f2SLuciano Coelho 2537b3115f2SLuciano Coelho wl1271_debug(DEBUG_CMD, "cmd role disable"); 2547b3115f2SLuciano Coelho 2557b3115f2SLuciano Coelho if (WARN_ON(*role_id == WL12XX_INVALID_ROLE_ID)) 2567b3115f2SLuciano Coelho return -ENOENT; 2577b3115f2SLuciano Coelho 2587b3115f2SLuciano Coelho cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 2597b3115f2SLuciano Coelho if (!cmd) { 2607b3115f2SLuciano Coelho ret = -ENOMEM; 2617b3115f2SLuciano Coelho goto out; 2627b3115f2SLuciano Coelho } 2637b3115f2SLuciano Coelho cmd->role_id = *role_id; 2647b3115f2SLuciano Coelho 2657b3115f2SLuciano Coelho ret = wl1271_cmd_send(wl, CMD_ROLE_DISABLE, cmd, sizeof(*cmd), 0); 2667b3115f2SLuciano Coelho if (ret < 0) { 2677b3115f2SLuciano Coelho wl1271_error("failed to initiate cmd role disable"); 2687b3115f2SLuciano Coelho goto out_free; 2697b3115f2SLuciano Coelho } 2707b3115f2SLuciano Coelho 2717b3115f2SLuciano Coelho __clear_bit(*role_id, wl->roles_map); 2727b3115f2SLuciano Coelho *role_id = WL12XX_INVALID_ROLE_ID; 2737b3115f2SLuciano Coelho 2747b3115f2SLuciano Coelho out_free: 2757b3115f2SLuciano Coelho kfree(cmd); 2767b3115f2SLuciano Coelho 2777b3115f2SLuciano Coelho out: 2787b3115f2SLuciano Coelho return ret; 2797b3115f2SLuciano Coelho } 2807b3115f2SLuciano Coelho 2817b3115f2SLuciano Coelho int wl12xx_allocate_link(struct wl1271 *wl, struct wl12xx_vif *wlvif, u8 *hlid) 2827b3115f2SLuciano Coelho { 2837b3115f2SLuciano Coelho unsigned long flags; 2847b3115f2SLuciano Coelho u8 link = find_first_zero_bit(wl->links_map, WL12XX_MAX_LINKS); 2857b3115f2SLuciano Coelho if (link >= WL12XX_MAX_LINKS) 2867b3115f2SLuciano Coelho return -EBUSY; 2877b3115f2SLuciano Coelho 2887b3115f2SLuciano Coelho /* these bits are used by op_tx */ 2897b3115f2SLuciano Coelho spin_lock_irqsave(&wl->wl_lock, flags); 2907b3115f2SLuciano Coelho __set_bit(link, wl->links_map); 2917b3115f2SLuciano Coelho __set_bit(link, wlvif->links_map); 2927b3115f2SLuciano Coelho spin_unlock_irqrestore(&wl->wl_lock, flags); 2937b3115f2SLuciano Coelho *hlid = link; 2947b3115f2SLuciano Coelho return 0; 2957b3115f2SLuciano Coelho } 2967b3115f2SLuciano Coelho 2977b3115f2SLuciano Coelho void wl12xx_free_link(struct wl1271 *wl, struct wl12xx_vif *wlvif, u8 *hlid) 2987b3115f2SLuciano Coelho { 2997b3115f2SLuciano Coelho unsigned long flags; 3007b3115f2SLuciano Coelho 3017b3115f2SLuciano Coelho if (*hlid == WL12XX_INVALID_LINK_ID) 3027b3115f2SLuciano Coelho return; 3037b3115f2SLuciano Coelho 3047b3115f2SLuciano Coelho /* these bits are used by op_tx */ 3057b3115f2SLuciano Coelho spin_lock_irqsave(&wl->wl_lock, flags); 3067b3115f2SLuciano Coelho __clear_bit(*hlid, wl->links_map); 3077b3115f2SLuciano Coelho __clear_bit(*hlid, wlvif->links_map); 3087b3115f2SLuciano Coelho spin_unlock_irqrestore(&wl->wl_lock, flags); 3097b3115f2SLuciano Coelho 3107b3115f2SLuciano Coelho /* 3117b3115f2SLuciano Coelho * At this point op_tx() will not add more packets to the queues. We 3127b3115f2SLuciano Coelho * can purge them. 3137b3115f2SLuciano Coelho */ 3147b3115f2SLuciano Coelho wl1271_tx_reset_link_queues(wl, *hlid); 3157b3115f2SLuciano Coelho 3167b3115f2SLuciano Coelho *hlid = WL12XX_INVALID_LINK_ID; 3177b3115f2SLuciano Coelho } 3187b3115f2SLuciano Coelho 3197b3115f2SLuciano Coelho static int wl12xx_get_new_session_id(struct wl1271 *wl, 3207b3115f2SLuciano Coelho struct wl12xx_vif *wlvif) 3217b3115f2SLuciano Coelho { 3227b3115f2SLuciano Coelho if (wlvif->session_counter >= SESSION_COUNTER_MAX) 3237b3115f2SLuciano Coelho wlvif->session_counter = 0; 3247b3115f2SLuciano Coelho 3257b3115f2SLuciano Coelho wlvif->session_counter++; 3267b3115f2SLuciano Coelho 3277b3115f2SLuciano Coelho return wlvif->session_counter; 3287b3115f2SLuciano Coelho } 3297b3115f2SLuciano Coelho 330a6298dbeSArik Nemtsov static u8 wlcore_get_native_channel_type(u8 nl_channel_type) 331a6298dbeSArik Nemtsov { 332a6298dbeSArik Nemtsov switch (nl_channel_type) { 333a6298dbeSArik Nemtsov case NL80211_CHAN_NO_HT: 334a6298dbeSArik Nemtsov return WLCORE_CHAN_NO_HT; 335a6298dbeSArik Nemtsov case NL80211_CHAN_HT20: 336a6298dbeSArik Nemtsov return WLCORE_CHAN_HT20; 337a6298dbeSArik Nemtsov case NL80211_CHAN_HT40MINUS: 338a6298dbeSArik Nemtsov return WLCORE_CHAN_HT40MINUS; 339a6298dbeSArik Nemtsov case NL80211_CHAN_HT40PLUS: 340a6298dbeSArik Nemtsov return WLCORE_CHAN_HT40PLUS; 341a6298dbeSArik Nemtsov default: 342a6298dbeSArik Nemtsov WARN_ON(1); 343a6298dbeSArik Nemtsov return WLCORE_CHAN_NO_HT; 344a6298dbeSArik Nemtsov } 345a6298dbeSArik Nemtsov } 346a6298dbeSArik Nemtsov 3477b3115f2SLuciano Coelho static int wl12xx_cmd_role_start_dev(struct wl1271 *wl, 3487b3115f2SLuciano Coelho struct wl12xx_vif *wlvif) 3497b3115f2SLuciano Coelho { 3507b3115f2SLuciano Coelho struct wl12xx_cmd_role_start *cmd; 3517b3115f2SLuciano Coelho int ret; 3527b3115f2SLuciano Coelho 3537b3115f2SLuciano Coelho cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 3547b3115f2SLuciano Coelho if (!cmd) { 3557b3115f2SLuciano Coelho ret = -ENOMEM; 3567b3115f2SLuciano Coelho goto out; 3577b3115f2SLuciano Coelho } 3587b3115f2SLuciano Coelho 3597b3115f2SLuciano Coelho wl1271_debug(DEBUG_CMD, "cmd role start dev %d", wlvif->dev_role_id); 3607b3115f2SLuciano Coelho 3617b3115f2SLuciano Coelho cmd->role_id = wlvif->dev_role_id; 3627b3115f2SLuciano Coelho if (wlvif->band == IEEE80211_BAND_5GHZ) 36300782136SLuciano Coelho cmd->band = WLCORE_BAND_5GHZ; 3647b3115f2SLuciano Coelho cmd->channel = wlvif->channel; 3657b3115f2SLuciano Coelho 3667b3115f2SLuciano Coelho if (wlvif->dev_hlid == WL12XX_INVALID_LINK_ID) { 3677b3115f2SLuciano Coelho ret = wl12xx_allocate_link(wl, wlvif, &wlvif->dev_hlid); 3687b3115f2SLuciano Coelho if (ret) 3697b3115f2SLuciano Coelho goto out_free; 3707b3115f2SLuciano Coelho } 3717b3115f2SLuciano Coelho cmd->device.hlid = wlvif->dev_hlid; 3727b3115f2SLuciano Coelho cmd->device.session = wl12xx_get_new_session_id(wl, wlvif); 3737b3115f2SLuciano Coelho 3747b3115f2SLuciano Coelho wl1271_debug(DEBUG_CMD, "role start: roleid=%d, hlid=%d, session=%d", 3757b3115f2SLuciano Coelho cmd->role_id, cmd->device.hlid, cmd->device.session); 3767b3115f2SLuciano Coelho 3777b3115f2SLuciano Coelho ret = wl1271_cmd_send(wl, CMD_ROLE_START, cmd, sizeof(*cmd), 0); 3787b3115f2SLuciano Coelho if (ret < 0) { 3797b3115f2SLuciano Coelho wl1271_error("failed to initiate cmd role enable"); 3807b3115f2SLuciano Coelho goto err_hlid; 3817b3115f2SLuciano Coelho } 3827b3115f2SLuciano Coelho 3837b3115f2SLuciano Coelho goto out_free; 3847b3115f2SLuciano Coelho 3857b3115f2SLuciano Coelho err_hlid: 3867b3115f2SLuciano Coelho /* clear links on error */ 3877b3115f2SLuciano Coelho wl12xx_free_link(wl, wlvif, &wlvif->dev_hlid); 3887b3115f2SLuciano Coelho 3897b3115f2SLuciano Coelho out_free: 3907b3115f2SLuciano Coelho kfree(cmd); 3917b3115f2SLuciano Coelho 3927b3115f2SLuciano Coelho out: 3937b3115f2SLuciano Coelho return ret; 3947b3115f2SLuciano Coelho } 3957b3115f2SLuciano Coelho 3967b3115f2SLuciano Coelho static int wl12xx_cmd_role_stop_dev(struct wl1271 *wl, 3977b3115f2SLuciano Coelho struct wl12xx_vif *wlvif) 3987b3115f2SLuciano Coelho { 3997b3115f2SLuciano Coelho struct wl12xx_cmd_role_stop *cmd; 4007b3115f2SLuciano Coelho int ret; 4017b3115f2SLuciano Coelho 4027b3115f2SLuciano Coelho if (WARN_ON(wlvif->dev_hlid == WL12XX_INVALID_LINK_ID)) 4037b3115f2SLuciano Coelho return -EINVAL; 4047b3115f2SLuciano Coelho 4057b3115f2SLuciano Coelho cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 4067b3115f2SLuciano Coelho if (!cmd) { 4077b3115f2SLuciano Coelho ret = -ENOMEM; 4087b3115f2SLuciano Coelho goto out; 4097b3115f2SLuciano Coelho } 4107b3115f2SLuciano Coelho 4117b3115f2SLuciano Coelho wl1271_debug(DEBUG_CMD, "cmd role stop dev"); 4127b3115f2SLuciano Coelho 4137b3115f2SLuciano Coelho cmd->role_id = wlvif->dev_role_id; 4147b3115f2SLuciano Coelho cmd->disc_type = DISCONNECT_IMMEDIATE; 4157b3115f2SLuciano Coelho cmd->reason = cpu_to_le16(WLAN_REASON_UNSPECIFIED); 4167b3115f2SLuciano Coelho 4177b3115f2SLuciano Coelho ret = wl1271_cmd_send(wl, CMD_ROLE_STOP, cmd, sizeof(*cmd), 0); 4187b3115f2SLuciano Coelho if (ret < 0) { 4197b3115f2SLuciano Coelho wl1271_error("failed to initiate cmd role stop"); 4207b3115f2SLuciano Coelho goto out_free; 4217b3115f2SLuciano Coelho } 4227b3115f2SLuciano Coelho 4237b3115f2SLuciano Coelho ret = wl1271_cmd_wait_for_event(wl, ROLE_STOP_COMPLETE_EVENT_ID); 4247b3115f2SLuciano Coelho if (ret < 0) { 4257b3115f2SLuciano Coelho wl1271_error("cmd role stop dev event completion error"); 4267b3115f2SLuciano Coelho goto out_free; 4277b3115f2SLuciano Coelho } 4287b3115f2SLuciano Coelho 4297b3115f2SLuciano Coelho wl12xx_free_link(wl, wlvif, &wlvif->dev_hlid); 4307b3115f2SLuciano Coelho 4317b3115f2SLuciano Coelho out_free: 4327b3115f2SLuciano Coelho kfree(cmd); 4337b3115f2SLuciano Coelho 4347b3115f2SLuciano Coelho out: 4357b3115f2SLuciano Coelho return ret; 4367b3115f2SLuciano Coelho } 4377b3115f2SLuciano Coelho 4387b3115f2SLuciano Coelho int wl12xx_cmd_role_start_sta(struct wl1271 *wl, struct wl12xx_vif *wlvif) 4397b3115f2SLuciano Coelho { 4407b3115f2SLuciano Coelho struct ieee80211_vif *vif = wl12xx_wlvif_to_vif(wlvif); 4417b3115f2SLuciano Coelho struct wl12xx_cmd_role_start *cmd; 4427b3115f2SLuciano Coelho int ret; 4437b3115f2SLuciano Coelho 4447b3115f2SLuciano Coelho cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 4457b3115f2SLuciano Coelho if (!cmd) { 4467b3115f2SLuciano Coelho ret = -ENOMEM; 4477b3115f2SLuciano Coelho goto out; 4487b3115f2SLuciano Coelho } 4497b3115f2SLuciano Coelho 4507b3115f2SLuciano Coelho wl1271_debug(DEBUG_CMD, "cmd role start sta %d", wlvif->role_id); 4517b3115f2SLuciano Coelho 4527b3115f2SLuciano Coelho cmd->role_id = wlvif->role_id; 4537b3115f2SLuciano Coelho if (wlvif->band == IEEE80211_BAND_5GHZ) 45400782136SLuciano Coelho cmd->band = WLCORE_BAND_5GHZ; 4557b3115f2SLuciano Coelho cmd->channel = wlvif->channel; 4567b3115f2SLuciano Coelho cmd->sta.basic_rate_set = cpu_to_le32(wlvif->basic_rate_set); 4577b3115f2SLuciano Coelho cmd->sta.beacon_interval = cpu_to_le16(wlvif->beacon_int); 4587b3115f2SLuciano Coelho cmd->sta.ssid_type = WL12XX_SSID_TYPE_ANY; 4597b3115f2SLuciano Coelho cmd->sta.ssid_len = wlvif->ssid_len; 4607b3115f2SLuciano Coelho memcpy(cmd->sta.ssid, wlvif->ssid, wlvif->ssid_len); 4617b3115f2SLuciano Coelho memcpy(cmd->sta.bssid, vif->bss_conf.bssid, ETH_ALEN); 4627b3115f2SLuciano Coelho cmd->sta.local_rates = cpu_to_le32(wlvif->rate_set); 463a6298dbeSArik Nemtsov cmd->channel_type = wlcore_get_native_channel_type(wlvif->channel_type); 4647b3115f2SLuciano Coelho 4657b3115f2SLuciano Coelho if (wlvif->sta.hlid == WL12XX_INVALID_LINK_ID) { 4667b3115f2SLuciano Coelho ret = wl12xx_allocate_link(wl, wlvif, &wlvif->sta.hlid); 4677b3115f2SLuciano Coelho if (ret) 4687b3115f2SLuciano Coelho goto out_free; 4697b3115f2SLuciano Coelho } 4707b3115f2SLuciano Coelho cmd->sta.hlid = wlvif->sta.hlid; 4717b3115f2SLuciano Coelho cmd->sta.session = wl12xx_get_new_session_id(wl, wlvif); 4727b3115f2SLuciano Coelho cmd->sta.remote_rates = cpu_to_le32(wlvif->rate_set); 4737b3115f2SLuciano Coelho 4747b3115f2SLuciano Coelho wl1271_debug(DEBUG_CMD, "role start: roleid=%d, hlid=%d, session=%d " 4757b3115f2SLuciano Coelho "basic_rate_set: 0x%x, remote_rates: 0x%x", 4767b3115f2SLuciano Coelho wlvif->role_id, cmd->sta.hlid, cmd->sta.session, 4777b3115f2SLuciano Coelho wlvif->basic_rate_set, wlvif->rate_set); 4787b3115f2SLuciano Coelho 4797b3115f2SLuciano Coelho ret = wl1271_cmd_send(wl, CMD_ROLE_START, cmd, sizeof(*cmd), 0); 4807b3115f2SLuciano Coelho if (ret < 0) { 4817b3115f2SLuciano Coelho wl1271_error("failed to initiate cmd role start sta"); 4827b3115f2SLuciano Coelho goto err_hlid; 4837b3115f2SLuciano Coelho } 4847b3115f2SLuciano Coelho 4857b3115f2SLuciano Coelho goto out_free; 4867b3115f2SLuciano Coelho 4877b3115f2SLuciano Coelho err_hlid: 4887b3115f2SLuciano Coelho /* clear links on error. */ 4897b3115f2SLuciano Coelho wl12xx_free_link(wl, wlvif, &wlvif->sta.hlid); 4907b3115f2SLuciano Coelho 4917b3115f2SLuciano Coelho out_free: 4927b3115f2SLuciano Coelho kfree(cmd); 4937b3115f2SLuciano Coelho 4947b3115f2SLuciano Coelho out: 4957b3115f2SLuciano Coelho return ret; 4967b3115f2SLuciano Coelho } 4977b3115f2SLuciano Coelho 4987b3115f2SLuciano Coelho /* use this function to stop ibss as well */ 4997b3115f2SLuciano Coelho int wl12xx_cmd_role_stop_sta(struct wl1271 *wl, struct wl12xx_vif *wlvif) 5007b3115f2SLuciano Coelho { 5017b3115f2SLuciano Coelho struct wl12xx_cmd_role_stop *cmd; 5027b3115f2SLuciano Coelho int ret; 5035285eb54SLuciano Coelho bool timeout = false; 5047b3115f2SLuciano Coelho 5057b3115f2SLuciano Coelho if (WARN_ON(wlvif->sta.hlid == WL12XX_INVALID_LINK_ID)) 5067b3115f2SLuciano Coelho return -EINVAL; 5077b3115f2SLuciano Coelho 5087b3115f2SLuciano Coelho cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 5097b3115f2SLuciano Coelho if (!cmd) { 5107b3115f2SLuciano Coelho ret = -ENOMEM; 5117b3115f2SLuciano Coelho goto out; 5127b3115f2SLuciano Coelho } 5137b3115f2SLuciano Coelho 5147b3115f2SLuciano Coelho wl1271_debug(DEBUG_CMD, "cmd role stop sta %d", wlvif->role_id); 5157b3115f2SLuciano Coelho 5167b3115f2SLuciano Coelho cmd->role_id = wlvif->role_id; 5177b3115f2SLuciano Coelho cmd->disc_type = DISCONNECT_IMMEDIATE; 5187b3115f2SLuciano Coelho cmd->reason = cpu_to_le16(WLAN_REASON_UNSPECIFIED); 5197b3115f2SLuciano Coelho 5207b3115f2SLuciano Coelho ret = wl1271_cmd_send(wl, CMD_ROLE_STOP, cmd, sizeof(*cmd), 0); 5217b3115f2SLuciano Coelho if (ret < 0) { 5227b3115f2SLuciano Coelho wl1271_error("failed to initiate cmd role stop sta"); 5237b3115f2SLuciano Coelho goto out_free; 5247b3115f2SLuciano Coelho } 5257b3115f2SLuciano Coelho 5265285eb54SLuciano Coelho /* 5275285eb54SLuciano Coelho * Sometimes the firmware doesn't send this event, so we just 5285285eb54SLuciano Coelho * time out without failing. Queue recovery for other 5295285eb54SLuciano Coelho * failures. 5305285eb54SLuciano Coelho */ 5315285eb54SLuciano Coelho ret = wl1271_cmd_wait_for_event_or_timeout(wl, 5325285eb54SLuciano Coelho ROLE_STOP_COMPLETE_EVENT_ID, 5335285eb54SLuciano Coelho &timeout); 5345285eb54SLuciano Coelho if (ret) 5355285eb54SLuciano Coelho wl12xx_queue_recovery_work(wl); 5365285eb54SLuciano Coelho 5377b3115f2SLuciano Coelho wl12xx_free_link(wl, wlvif, &wlvif->sta.hlid); 5387b3115f2SLuciano Coelho 5397b3115f2SLuciano Coelho out_free: 5407b3115f2SLuciano Coelho kfree(cmd); 5417b3115f2SLuciano Coelho 5427b3115f2SLuciano Coelho out: 5437b3115f2SLuciano Coelho return ret; 5447b3115f2SLuciano Coelho } 5457b3115f2SLuciano Coelho 5467b3115f2SLuciano Coelho int wl12xx_cmd_role_start_ap(struct wl1271 *wl, struct wl12xx_vif *wlvif) 5477b3115f2SLuciano Coelho { 5487b3115f2SLuciano Coelho struct wl12xx_cmd_role_start *cmd; 5497b3115f2SLuciano Coelho struct ieee80211_vif *vif = wl12xx_wlvif_to_vif(wlvif); 5507b3115f2SLuciano Coelho struct ieee80211_bss_conf *bss_conf = &vif->bss_conf; 55160462b48SLuciano Coelho u32 supported_rates; 5527b3115f2SLuciano Coelho int ret; 5537b3115f2SLuciano Coelho 5547b3115f2SLuciano Coelho wl1271_debug(DEBUG_CMD, "cmd role start ap %d", wlvif->role_id); 5557b3115f2SLuciano Coelho 5567b3115f2SLuciano Coelho /* trying to use hidden SSID with an old hostapd version */ 5577b3115f2SLuciano Coelho if (wlvif->ssid_len == 0 && !bss_conf->hidden_ssid) { 5587b3115f2SLuciano Coelho wl1271_error("got a null SSID from beacon/bss"); 5597b3115f2SLuciano Coelho ret = -EINVAL; 5607b3115f2SLuciano Coelho goto out; 5617b3115f2SLuciano Coelho } 5627b3115f2SLuciano Coelho 5637b3115f2SLuciano Coelho cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 5647b3115f2SLuciano Coelho if (!cmd) { 5657b3115f2SLuciano Coelho ret = -ENOMEM; 5667b3115f2SLuciano Coelho goto out; 5677b3115f2SLuciano Coelho } 5687b3115f2SLuciano Coelho 5697b3115f2SLuciano Coelho ret = wl12xx_allocate_link(wl, wlvif, &wlvif->ap.global_hlid); 5707b3115f2SLuciano Coelho if (ret < 0) 5717b3115f2SLuciano Coelho goto out_free; 5727b3115f2SLuciano Coelho 5737b3115f2SLuciano Coelho ret = wl12xx_allocate_link(wl, wlvif, &wlvif->ap.bcast_hlid); 5747b3115f2SLuciano Coelho if (ret < 0) 5757b3115f2SLuciano Coelho goto out_free_global; 5767b3115f2SLuciano Coelho 5777b3115f2SLuciano Coelho cmd->role_id = wlvif->role_id; 5787b3115f2SLuciano Coelho cmd->ap.aging_period = cpu_to_le16(wl->conf.tx.ap_aging_period); 5797b3115f2SLuciano Coelho cmd->ap.bss_index = WL1271_AP_BSS_INDEX; 5807b3115f2SLuciano Coelho cmd->ap.global_hlid = wlvif->ap.global_hlid; 5817b3115f2SLuciano Coelho cmd->ap.broadcast_hlid = wlvif->ap.bcast_hlid; 5827b3115f2SLuciano Coelho cmd->ap.basic_rate_set = cpu_to_le32(wlvif->basic_rate_set); 5837b3115f2SLuciano Coelho cmd->ap.beacon_interval = cpu_to_le16(wlvif->beacon_int); 5847b3115f2SLuciano Coelho cmd->ap.dtim_interval = bss_conf->dtim_period; 5857b3115f2SLuciano Coelho cmd->ap.beacon_expiry = WL1271_AP_DEF_BEACON_EXP; 5867b3115f2SLuciano Coelho /* FIXME: Change when adding DFS */ 5877b3115f2SLuciano Coelho cmd->ap.reset_tsf = 1; /* By default reset AP TSF */ 5887b3115f2SLuciano Coelho cmd->channel = wlvif->channel; 589a6298dbeSArik Nemtsov cmd->channel_type = wlcore_get_native_channel_type(wlvif->channel_type); 5907b3115f2SLuciano Coelho 5917b3115f2SLuciano Coelho if (!bss_conf->hidden_ssid) { 5927b3115f2SLuciano Coelho /* take the SSID from the beacon for backward compatibility */ 5937b3115f2SLuciano Coelho cmd->ap.ssid_type = WL12XX_SSID_TYPE_PUBLIC; 5947b3115f2SLuciano Coelho cmd->ap.ssid_len = wlvif->ssid_len; 5957b3115f2SLuciano Coelho memcpy(cmd->ap.ssid, wlvif->ssid, wlvif->ssid_len); 5967b3115f2SLuciano Coelho } else { 5977b3115f2SLuciano Coelho cmd->ap.ssid_type = WL12XX_SSID_TYPE_HIDDEN; 5987b3115f2SLuciano Coelho cmd->ap.ssid_len = bss_conf->ssid_len; 5997b3115f2SLuciano Coelho memcpy(cmd->ap.ssid, bss_conf->ssid, bss_conf->ssid_len); 6007b3115f2SLuciano Coelho } 6017b3115f2SLuciano Coelho 60260462b48SLuciano Coelho supported_rates = CONF_TX_AP_ENABLED_RATES | CONF_TX_MCS_RATES | 60360462b48SLuciano Coelho wlcore_hw_ap_get_mimo_wide_rate_mask(wl, wlvif); 60460462b48SLuciano Coelho 60560462b48SLuciano Coelho wl1271_debug(DEBUG_CMD, "cmd role start ap with supported_rates 0x%08x", 60660462b48SLuciano Coelho supported_rates); 60760462b48SLuciano Coelho 60860462b48SLuciano Coelho cmd->ap.local_rates = cpu_to_le32(supported_rates); 6097b3115f2SLuciano Coelho 6107b3115f2SLuciano Coelho switch (wlvif->band) { 6117b3115f2SLuciano Coelho case IEEE80211_BAND_2GHZ: 61200782136SLuciano Coelho cmd->band = WLCORE_BAND_2_4GHZ; 6137b3115f2SLuciano Coelho break; 6147b3115f2SLuciano Coelho case IEEE80211_BAND_5GHZ: 61500782136SLuciano Coelho cmd->band = WLCORE_BAND_5GHZ; 6167b3115f2SLuciano Coelho break; 6177b3115f2SLuciano Coelho default: 6187b3115f2SLuciano Coelho wl1271_warning("ap start - unknown band: %d", (int)wlvif->band); 61900782136SLuciano Coelho cmd->band = WLCORE_BAND_2_4GHZ; 6207b3115f2SLuciano Coelho break; 6217b3115f2SLuciano Coelho } 6227b3115f2SLuciano Coelho 6237b3115f2SLuciano Coelho ret = wl1271_cmd_send(wl, CMD_ROLE_START, cmd, sizeof(*cmd), 0); 6247b3115f2SLuciano Coelho if (ret < 0) { 6257b3115f2SLuciano Coelho wl1271_error("failed to initiate cmd role start ap"); 6267b3115f2SLuciano Coelho goto out_free_bcast; 6277b3115f2SLuciano Coelho } 6287b3115f2SLuciano Coelho 6297b3115f2SLuciano Coelho goto out_free; 6307b3115f2SLuciano Coelho 6317b3115f2SLuciano Coelho out_free_bcast: 6327b3115f2SLuciano Coelho wl12xx_free_link(wl, wlvif, &wlvif->ap.bcast_hlid); 6337b3115f2SLuciano Coelho 6347b3115f2SLuciano Coelho out_free_global: 6357b3115f2SLuciano Coelho wl12xx_free_link(wl, wlvif, &wlvif->ap.global_hlid); 6367b3115f2SLuciano Coelho 6377b3115f2SLuciano Coelho out_free: 6387b3115f2SLuciano Coelho kfree(cmd); 6397b3115f2SLuciano Coelho 6407b3115f2SLuciano Coelho out: 6417b3115f2SLuciano Coelho return ret; 6427b3115f2SLuciano Coelho } 6437b3115f2SLuciano Coelho 6447b3115f2SLuciano Coelho int wl12xx_cmd_role_stop_ap(struct wl1271 *wl, struct wl12xx_vif *wlvif) 6457b3115f2SLuciano Coelho { 6467b3115f2SLuciano Coelho struct wl12xx_cmd_role_stop *cmd; 6477b3115f2SLuciano Coelho int ret; 6487b3115f2SLuciano Coelho 6497b3115f2SLuciano Coelho cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 6507b3115f2SLuciano Coelho if (!cmd) { 6517b3115f2SLuciano Coelho ret = -ENOMEM; 6527b3115f2SLuciano Coelho goto out; 6537b3115f2SLuciano Coelho } 6547b3115f2SLuciano Coelho 6557b3115f2SLuciano Coelho wl1271_debug(DEBUG_CMD, "cmd role stop ap %d", wlvif->role_id); 6567b3115f2SLuciano Coelho 6577b3115f2SLuciano Coelho cmd->role_id = wlvif->role_id; 6587b3115f2SLuciano Coelho 6597b3115f2SLuciano Coelho ret = wl1271_cmd_send(wl, CMD_ROLE_STOP, cmd, sizeof(*cmd), 0); 6607b3115f2SLuciano Coelho if (ret < 0) { 6617b3115f2SLuciano Coelho wl1271_error("failed to initiate cmd role stop ap"); 6627b3115f2SLuciano Coelho goto out_free; 6637b3115f2SLuciano Coelho } 6647b3115f2SLuciano Coelho 6657b3115f2SLuciano Coelho wl12xx_free_link(wl, wlvif, &wlvif->ap.bcast_hlid); 6667b3115f2SLuciano Coelho wl12xx_free_link(wl, wlvif, &wlvif->ap.global_hlid); 6677b3115f2SLuciano Coelho 6687b3115f2SLuciano Coelho out_free: 6697b3115f2SLuciano Coelho kfree(cmd); 6707b3115f2SLuciano Coelho 6717b3115f2SLuciano Coelho out: 6727b3115f2SLuciano Coelho return ret; 6737b3115f2SLuciano Coelho } 6747b3115f2SLuciano Coelho 6757b3115f2SLuciano Coelho int wl12xx_cmd_role_start_ibss(struct wl1271 *wl, struct wl12xx_vif *wlvif) 6767b3115f2SLuciano Coelho { 6777b3115f2SLuciano Coelho struct ieee80211_vif *vif = wl12xx_wlvif_to_vif(wlvif); 6787b3115f2SLuciano Coelho struct wl12xx_cmd_role_start *cmd; 6797b3115f2SLuciano Coelho struct ieee80211_bss_conf *bss_conf = &vif->bss_conf; 6807b3115f2SLuciano Coelho int ret; 6817b3115f2SLuciano Coelho 6827b3115f2SLuciano Coelho cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 6837b3115f2SLuciano Coelho if (!cmd) { 6847b3115f2SLuciano Coelho ret = -ENOMEM; 6857b3115f2SLuciano Coelho goto out; 6867b3115f2SLuciano Coelho } 6877b3115f2SLuciano Coelho 6887b3115f2SLuciano Coelho wl1271_debug(DEBUG_CMD, "cmd role start ibss %d", wlvif->role_id); 6897b3115f2SLuciano Coelho 6907b3115f2SLuciano Coelho cmd->role_id = wlvif->role_id; 6917b3115f2SLuciano Coelho if (wlvif->band == IEEE80211_BAND_5GHZ) 69200782136SLuciano Coelho cmd->band = WLCORE_BAND_5GHZ; 6937b3115f2SLuciano Coelho cmd->channel = wlvif->channel; 6947b3115f2SLuciano Coelho cmd->ibss.basic_rate_set = cpu_to_le32(wlvif->basic_rate_set); 6957b3115f2SLuciano Coelho cmd->ibss.beacon_interval = cpu_to_le16(wlvif->beacon_int); 6967b3115f2SLuciano Coelho cmd->ibss.dtim_interval = bss_conf->dtim_period; 6977b3115f2SLuciano Coelho cmd->ibss.ssid_type = WL12XX_SSID_TYPE_ANY; 6987b3115f2SLuciano Coelho cmd->ibss.ssid_len = wlvif->ssid_len; 6997b3115f2SLuciano Coelho memcpy(cmd->ibss.ssid, wlvif->ssid, wlvif->ssid_len); 7007b3115f2SLuciano Coelho memcpy(cmd->ibss.bssid, vif->bss_conf.bssid, ETH_ALEN); 7017b3115f2SLuciano Coelho cmd->sta.local_rates = cpu_to_le32(wlvif->rate_set); 7027b3115f2SLuciano Coelho 7037b3115f2SLuciano Coelho if (wlvif->sta.hlid == WL12XX_INVALID_LINK_ID) { 7047b3115f2SLuciano Coelho ret = wl12xx_allocate_link(wl, wlvif, &wlvif->sta.hlid); 7057b3115f2SLuciano Coelho if (ret) 7067b3115f2SLuciano Coelho goto out_free; 7077b3115f2SLuciano Coelho } 7087b3115f2SLuciano Coelho cmd->ibss.hlid = wlvif->sta.hlid; 7097b3115f2SLuciano Coelho cmd->ibss.remote_rates = cpu_to_le32(wlvif->rate_set); 7107b3115f2SLuciano Coelho 7117b3115f2SLuciano Coelho wl1271_debug(DEBUG_CMD, "role start: roleid=%d, hlid=%d, session=%d " 7127b3115f2SLuciano Coelho "basic_rate_set: 0x%x, remote_rates: 0x%x", 7137b3115f2SLuciano Coelho wlvif->role_id, cmd->sta.hlid, cmd->sta.session, 7147b3115f2SLuciano Coelho wlvif->basic_rate_set, wlvif->rate_set); 7157b3115f2SLuciano Coelho 7167b3115f2SLuciano Coelho wl1271_debug(DEBUG_CMD, "vif->bss_conf.bssid = %pM", 7177b3115f2SLuciano Coelho vif->bss_conf.bssid); 7187b3115f2SLuciano Coelho 7197b3115f2SLuciano Coelho ret = wl1271_cmd_send(wl, CMD_ROLE_START, cmd, sizeof(*cmd), 0); 7207b3115f2SLuciano Coelho if (ret < 0) { 7217b3115f2SLuciano Coelho wl1271_error("failed to initiate cmd role enable"); 7227b3115f2SLuciano Coelho goto err_hlid; 7237b3115f2SLuciano Coelho } 7247b3115f2SLuciano Coelho 7257b3115f2SLuciano Coelho goto out_free; 7267b3115f2SLuciano Coelho 7277b3115f2SLuciano Coelho err_hlid: 7287b3115f2SLuciano Coelho /* clear links on error. */ 7297b3115f2SLuciano Coelho wl12xx_free_link(wl, wlvif, &wlvif->sta.hlid); 7307b3115f2SLuciano Coelho 7317b3115f2SLuciano Coelho out_free: 7327b3115f2SLuciano Coelho kfree(cmd); 7337b3115f2SLuciano Coelho 7347b3115f2SLuciano Coelho out: 7357b3115f2SLuciano Coelho return ret; 7367b3115f2SLuciano Coelho } 7377b3115f2SLuciano Coelho 7387b3115f2SLuciano Coelho 7397b3115f2SLuciano Coelho /** 7407b3115f2SLuciano Coelho * send test command to firmware 7417b3115f2SLuciano Coelho * 7427b3115f2SLuciano Coelho * @wl: wl struct 7437b3115f2SLuciano Coelho * @buf: buffer containing the command, with all headers, must work with dma 7447b3115f2SLuciano Coelho * @len: length of the buffer 7457b3115f2SLuciano Coelho * @answer: is answer needed 7467b3115f2SLuciano Coelho */ 7477b3115f2SLuciano Coelho int wl1271_cmd_test(struct wl1271 *wl, void *buf, size_t buf_len, u8 answer) 7487b3115f2SLuciano Coelho { 7497b3115f2SLuciano Coelho int ret; 7507b3115f2SLuciano Coelho size_t res_len = 0; 7517b3115f2SLuciano Coelho 7527b3115f2SLuciano Coelho wl1271_debug(DEBUG_CMD, "cmd test"); 7537b3115f2SLuciano Coelho 7547b3115f2SLuciano Coelho if (answer) 7557b3115f2SLuciano Coelho res_len = buf_len; 7567b3115f2SLuciano Coelho 7577b3115f2SLuciano Coelho ret = wl1271_cmd_send(wl, CMD_TEST, buf, buf_len, res_len); 7587b3115f2SLuciano Coelho 7597b3115f2SLuciano Coelho if (ret < 0) { 7607b3115f2SLuciano Coelho wl1271_warning("TEST command failed"); 7617b3115f2SLuciano Coelho return ret; 7627b3115f2SLuciano Coelho } 7637b3115f2SLuciano Coelho 7647b3115f2SLuciano Coelho return ret; 7657b3115f2SLuciano Coelho } 7669d68d1eeSLuciano Coelho EXPORT_SYMBOL_GPL(wl1271_cmd_test); 7677b3115f2SLuciano Coelho 7687b3115f2SLuciano Coelho /** 7697b3115f2SLuciano Coelho * read acx from firmware 7707b3115f2SLuciano Coelho * 7717b3115f2SLuciano Coelho * @wl: wl struct 7727b3115f2SLuciano Coelho * @id: acx id 7737b3115f2SLuciano Coelho * @buf: buffer for the response, including all headers, must work with dma 7747b3115f2SLuciano Coelho * @len: length of buf 7757b3115f2SLuciano Coelho */ 7767b3115f2SLuciano Coelho int wl1271_cmd_interrogate(struct wl1271 *wl, u16 id, void *buf, size_t len) 7777b3115f2SLuciano Coelho { 7787b3115f2SLuciano Coelho struct acx_header *acx = buf; 7797b3115f2SLuciano Coelho int ret; 7807b3115f2SLuciano Coelho 7817b3115f2SLuciano Coelho wl1271_debug(DEBUG_CMD, "cmd interrogate"); 7827b3115f2SLuciano Coelho 7837b3115f2SLuciano Coelho acx->id = cpu_to_le16(id); 7847b3115f2SLuciano Coelho 7857b3115f2SLuciano Coelho /* payload length, does not include any headers */ 7867b3115f2SLuciano Coelho acx->len = cpu_to_le16(len - sizeof(*acx)); 7877b3115f2SLuciano Coelho 7887b3115f2SLuciano Coelho ret = wl1271_cmd_send(wl, CMD_INTERROGATE, acx, sizeof(*acx), len); 7897b3115f2SLuciano Coelho if (ret < 0) 7907b3115f2SLuciano Coelho wl1271_error("INTERROGATE command failed"); 7917b3115f2SLuciano Coelho 7927b3115f2SLuciano Coelho return ret; 7937b3115f2SLuciano Coelho } 7947b3115f2SLuciano Coelho 7957b3115f2SLuciano Coelho /** 7967b3115f2SLuciano Coelho * write acx value to firmware 7977b3115f2SLuciano Coelho * 7987b3115f2SLuciano Coelho * @wl: wl struct 7997b3115f2SLuciano Coelho * @id: acx id 8007b3115f2SLuciano Coelho * @buf: buffer containing acx, including all headers, must work with dma 8017b3115f2SLuciano Coelho * @len: length of buf 8027b3115f2SLuciano Coelho */ 8037b3115f2SLuciano Coelho int wl1271_cmd_configure(struct wl1271 *wl, u16 id, void *buf, size_t len) 8047b3115f2SLuciano Coelho { 8057b3115f2SLuciano Coelho struct acx_header *acx = buf; 8067b3115f2SLuciano Coelho int ret; 8077b3115f2SLuciano Coelho 8087b3115f2SLuciano Coelho wl1271_debug(DEBUG_CMD, "cmd configure (%d)", id); 8097b3115f2SLuciano Coelho 8107b3115f2SLuciano Coelho acx->id = cpu_to_le16(id); 8117b3115f2SLuciano Coelho 8127b3115f2SLuciano Coelho /* payload length, does not include any headers */ 8137b3115f2SLuciano Coelho acx->len = cpu_to_le16(len - sizeof(*acx)); 8147b3115f2SLuciano Coelho 8157b3115f2SLuciano Coelho ret = wl1271_cmd_send(wl, CMD_CONFIGURE, acx, len, 0); 8167b3115f2SLuciano Coelho if (ret < 0) { 8177b3115f2SLuciano Coelho wl1271_warning("CONFIGURE command NOK"); 8187b3115f2SLuciano Coelho return ret; 8197b3115f2SLuciano Coelho } 8207b3115f2SLuciano Coelho 8217b3115f2SLuciano Coelho return 0; 8227b3115f2SLuciano Coelho } 8239d68d1eeSLuciano Coelho EXPORT_SYMBOL_GPL(wl1271_cmd_configure); 8247b3115f2SLuciano Coelho 8257b3115f2SLuciano Coelho int wl1271_cmd_data_path(struct wl1271 *wl, bool enable) 8267b3115f2SLuciano Coelho { 8277b3115f2SLuciano Coelho struct cmd_enabledisable_path *cmd; 8287b3115f2SLuciano Coelho int ret; 8297b3115f2SLuciano Coelho u16 cmd_rx, cmd_tx; 8307b3115f2SLuciano Coelho 8317b3115f2SLuciano Coelho wl1271_debug(DEBUG_CMD, "cmd data path"); 8327b3115f2SLuciano Coelho 8337b3115f2SLuciano Coelho cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 8347b3115f2SLuciano Coelho if (!cmd) { 8357b3115f2SLuciano Coelho ret = -ENOMEM; 8367b3115f2SLuciano Coelho goto out; 8377b3115f2SLuciano Coelho } 8387b3115f2SLuciano Coelho 8397b3115f2SLuciano Coelho /* the channel here is only used for calibration, so hardcoded to 1 */ 8407b3115f2SLuciano Coelho cmd->channel = 1; 8417b3115f2SLuciano Coelho 8427b3115f2SLuciano Coelho if (enable) { 8437b3115f2SLuciano Coelho cmd_rx = CMD_ENABLE_RX; 8447b3115f2SLuciano Coelho cmd_tx = CMD_ENABLE_TX; 8457b3115f2SLuciano Coelho } else { 8467b3115f2SLuciano Coelho cmd_rx = CMD_DISABLE_RX; 8477b3115f2SLuciano Coelho cmd_tx = CMD_DISABLE_TX; 8487b3115f2SLuciano Coelho } 8497b3115f2SLuciano Coelho 8507b3115f2SLuciano Coelho ret = wl1271_cmd_send(wl, cmd_rx, cmd, sizeof(*cmd), 0); 8517b3115f2SLuciano Coelho if (ret < 0) { 8527b3115f2SLuciano Coelho wl1271_error("rx %s cmd for channel %d failed", 8537b3115f2SLuciano Coelho enable ? "start" : "stop", cmd->channel); 8547b3115f2SLuciano Coelho goto out; 8557b3115f2SLuciano Coelho } 8567b3115f2SLuciano Coelho 8577b3115f2SLuciano Coelho wl1271_debug(DEBUG_BOOT, "rx %s cmd channel %d", 8587b3115f2SLuciano Coelho enable ? "start" : "stop", cmd->channel); 8597b3115f2SLuciano Coelho 8607b3115f2SLuciano Coelho ret = wl1271_cmd_send(wl, cmd_tx, cmd, sizeof(*cmd), 0); 8617b3115f2SLuciano Coelho if (ret < 0) { 8627b3115f2SLuciano Coelho wl1271_error("tx %s cmd for channel %d failed", 8637b3115f2SLuciano Coelho enable ? "start" : "stop", cmd->channel); 8647b3115f2SLuciano Coelho goto out; 8657b3115f2SLuciano Coelho } 8667b3115f2SLuciano Coelho 8677b3115f2SLuciano Coelho wl1271_debug(DEBUG_BOOT, "tx %s cmd channel %d", 8687b3115f2SLuciano Coelho enable ? "start" : "stop", cmd->channel); 8697b3115f2SLuciano Coelho 8707b3115f2SLuciano Coelho out: 8717b3115f2SLuciano Coelho kfree(cmd); 8727b3115f2SLuciano Coelho return ret; 8737b3115f2SLuciano Coelho } 874c331b344SLuciano Coelho EXPORT_SYMBOL_GPL(wl1271_cmd_data_path); 8757b3115f2SLuciano Coelho 8767b3115f2SLuciano Coelho int wl1271_cmd_ps_mode(struct wl1271 *wl, struct wl12xx_vif *wlvif, 8777b3115f2SLuciano Coelho u8 ps_mode, u16 auto_ps_timeout) 8787b3115f2SLuciano Coelho { 8797b3115f2SLuciano Coelho struct wl1271_cmd_ps_params *ps_params = NULL; 8807b3115f2SLuciano Coelho int ret = 0; 8817b3115f2SLuciano Coelho 8827b3115f2SLuciano Coelho wl1271_debug(DEBUG_CMD, "cmd set ps mode"); 8837b3115f2SLuciano Coelho 8847b3115f2SLuciano Coelho ps_params = kzalloc(sizeof(*ps_params), GFP_KERNEL); 8857b3115f2SLuciano Coelho if (!ps_params) { 8867b3115f2SLuciano Coelho ret = -ENOMEM; 8877b3115f2SLuciano Coelho goto out; 8887b3115f2SLuciano Coelho } 8897b3115f2SLuciano Coelho 8907b3115f2SLuciano Coelho ps_params->role_id = wlvif->role_id; 8917b3115f2SLuciano Coelho ps_params->ps_mode = ps_mode; 8927b3115f2SLuciano Coelho ps_params->auto_ps_timeout = auto_ps_timeout; 8937b3115f2SLuciano Coelho 8947b3115f2SLuciano Coelho ret = wl1271_cmd_send(wl, CMD_SET_PS_MODE, ps_params, 8957b3115f2SLuciano Coelho sizeof(*ps_params), 0); 8967b3115f2SLuciano Coelho if (ret < 0) { 8977b3115f2SLuciano Coelho wl1271_error("cmd set_ps_mode failed"); 8987b3115f2SLuciano Coelho goto out; 8997b3115f2SLuciano Coelho } 9007b3115f2SLuciano Coelho 9017b3115f2SLuciano Coelho out: 9027b3115f2SLuciano Coelho kfree(ps_params); 9037b3115f2SLuciano Coelho return ret; 9047b3115f2SLuciano Coelho } 9057b3115f2SLuciano Coelho 9067b3115f2SLuciano Coelho int wl1271_cmd_template_set(struct wl1271 *wl, u8 role_id, 9077b3115f2SLuciano Coelho u16 template_id, void *buf, size_t buf_len, 9087b3115f2SLuciano Coelho int index, u32 rates) 9097b3115f2SLuciano Coelho { 9107b3115f2SLuciano Coelho struct wl1271_cmd_template_set *cmd; 9117b3115f2SLuciano Coelho int ret = 0; 9127b3115f2SLuciano Coelho 9137b3115f2SLuciano Coelho wl1271_debug(DEBUG_CMD, "cmd template_set %d (role %d)", 9147b3115f2SLuciano Coelho template_id, role_id); 9157b3115f2SLuciano Coelho 9167b3115f2SLuciano Coelho WARN_ON(buf_len > WL1271_CMD_TEMPL_MAX_SIZE); 9177b3115f2SLuciano Coelho buf_len = min_t(size_t, buf_len, WL1271_CMD_TEMPL_MAX_SIZE); 9187b3115f2SLuciano Coelho 9197b3115f2SLuciano Coelho cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 9207b3115f2SLuciano Coelho if (!cmd) { 9217b3115f2SLuciano Coelho ret = -ENOMEM; 9227b3115f2SLuciano Coelho goto out; 9237b3115f2SLuciano Coelho } 9247b3115f2SLuciano Coelho 9257b3115f2SLuciano Coelho /* during initialization wlvif is NULL */ 9267b3115f2SLuciano Coelho cmd->role_id = role_id; 9277b3115f2SLuciano Coelho cmd->len = cpu_to_le16(buf_len); 9287b3115f2SLuciano Coelho cmd->template_type = template_id; 9297b3115f2SLuciano Coelho cmd->enabled_rates = cpu_to_le32(rates); 9307b3115f2SLuciano Coelho cmd->short_retry_limit = wl->conf.tx.tmpl_short_retry_limit; 9317b3115f2SLuciano Coelho cmd->long_retry_limit = wl->conf.tx.tmpl_long_retry_limit; 9327b3115f2SLuciano Coelho cmd->index = index; 9337b3115f2SLuciano Coelho 9347b3115f2SLuciano Coelho if (buf) 9357b3115f2SLuciano Coelho memcpy(cmd->template_data, buf, buf_len); 9367b3115f2SLuciano Coelho 9377b3115f2SLuciano Coelho ret = wl1271_cmd_send(wl, CMD_SET_TEMPLATE, cmd, sizeof(*cmd), 0); 9387b3115f2SLuciano Coelho if (ret < 0) { 9397b3115f2SLuciano Coelho wl1271_warning("cmd set_template failed: %d", ret); 9407b3115f2SLuciano Coelho goto out_free; 9417b3115f2SLuciano Coelho } 9427b3115f2SLuciano Coelho 9437b3115f2SLuciano Coelho out_free: 9447b3115f2SLuciano Coelho kfree(cmd); 9457b3115f2SLuciano Coelho 9467b3115f2SLuciano Coelho out: 9477b3115f2SLuciano Coelho return ret; 9487b3115f2SLuciano Coelho } 9497b3115f2SLuciano Coelho 9507b3115f2SLuciano Coelho int wl12xx_cmd_build_null_data(struct wl1271 *wl, struct wl12xx_vif *wlvif) 9517b3115f2SLuciano Coelho { 9527b3115f2SLuciano Coelho struct sk_buff *skb = NULL; 9537b3115f2SLuciano Coelho int size; 9547b3115f2SLuciano Coelho void *ptr; 9557b3115f2SLuciano Coelho int ret = -ENOMEM; 9567b3115f2SLuciano Coelho 9577b3115f2SLuciano Coelho 9587b3115f2SLuciano Coelho if (wlvif->bss_type == BSS_TYPE_IBSS) { 9597b3115f2SLuciano Coelho size = sizeof(struct wl12xx_null_data_template); 9607b3115f2SLuciano Coelho ptr = NULL; 9617b3115f2SLuciano Coelho } else { 9627b3115f2SLuciano Coelho skb = ieee80211_nullfunc_get(wl->hw, 9637b3115f2SLuciano Coelho wl12xx_wlvif_to_vif(wlvif)); 9647b3115f2SLuciano Coelho if (!skb) 9657b3115f2SLuciano Coelho goto out; 9667b3115f2SLuciano Coelho size = skb->len; 9677b3115f2SLuciano Coelho ptr = skb->data; 9687b3115f2SLuciano Coelho } 9697b3115f2SLuciano Coelho 9707b3115f2SLuciano Coelho ret = wl1271_cmd_template_set(wl, wlvif->role_id, 9717b3115f2SLuciano Coelho CMD_TEMPL_NULL_DATA, ptr, size, 0, 9727b3115f2SLuciano Coelho wlvif->basic_rate); 9737b3115f2SLuciano Coelho 9747b3115f2SLuciano Coelho out: 9757b3115f2SLuciano Coelho dev_kfree_skb(skb); 9767b3115f2SLuciano Coelho if (ret) 9777b3115f2SLuciano Coelho wl1271_warning("cmd buld null data failed %d", ret); 9787b3115f2SLuciano Coelho 9797b3115f2SLuciano Coelho return ret; 9807b3115f2SLuciano Coelho 9817b3115f2SLuciano Coelho } 9827b3115f2SLuciano Coelho 9837b3115f2SLuciano Coelho int wl12xx_cmd_build_klv_null_data(struct wl1271 *wl, 9847b3115f2SLuciano Coelho struct wl12xx_vif *wlvif) 9857b3115f2SLuciano Coelho { 9867b3115f2SLuciano Coelho struct ieee80211_vif *vif = wl12xx_wlvif_to_vif(wlvif); 9877b3115f2SLuciano Coelho struct sk_buff *skb = NULL; 9887b3115f2SLuciano Coelho int ret = -ENOMEM; 9897b3115f2SLuciano Coelho 9907b3115f2SLuciano Coelho skb = ieee80211_nullfunc_get(wl->hw, vif); 9917b3115f2SLuciano Coelho if (!skb) 9927b3115f2SLuciano Coelho goto out; 9937b3115f2SLuciano Coelho 9947b3115f2SLuciano Coelho ret = wl1271_cmd_template_set(wl, wlvif->role_id, CMD_TEMPL_KLV, 9957b3115f2SLuciano Coelho skb->data, skb->len, 9967b3115f2SLuciano Coelho CMD_TEMPL_KLV_IDX_NULL_DATA, 9977b3115f2SLuciano Coelho wlvif->basic_rate); 9987b3115f2SLuciano Coelho 9997b3115f2SLuciano Coelho out: 10007b3115f2SLuciano Coelho dev_kfree_skb(skb); 10017b3115f2SLuciano Coelho if (ret) 10027b3115f2SLuciano Coelho wl1271_warning("cmd build klv null data failed %d", ret); 10037b3115f2SLuciano Coelho 10047b3115f2SLuciano Coelho return ret; 10057b3115f2SLuciano Coelho 10067b3115f2SLuciano Coelho } 10077b3115f2SLuciano Coelho 10087b3115f2SLuciano Coelho int wl1271_cmd_build_ps_poll(struct wl1271 *wl, struct wl12xx_vif *wlvif, 10097b3115f2SLuciano Coelho u16 aid) 10107b3115f2SLuciano Coelho { 10117b3115f2SLuciano Coelho struct ieee80211_vif *vif = wl12xx_wlvif_to_vif(wlvif); 10127b3115f2SLuciano Coelho struct sk_buff *skb; 10137b3115f2SLuciano Coelho int ret = 0; 10147b3115f2SLuciano Coelho 10157b3115f2SLuciano Coelho skb = ieee80211_pspoll_get(wl->hw, vif); 10167b3115f2SLuciano Coelho if (!skb) 10177b3115f2SLuciano Coelho goto out; 10187b3115f2SLuciano Coelho 10197b3115f2SLuciano Coelho ret = wl1271_cmd_template_set(wl, wlvif->role_id, 10207b3115f2SLuciano Coelho CMD_TEMPL_PS_POLL, skb->data, 10217b3115f2SLuciano Coelho skb->len, 0, wlvif->basic_rate_set); 10227b3115f2SLuciano Coelho 10237b3115f2SLuciano Coelho out: 10247b3115f2SLuciano Coelho dev_kfree_skb(skb); 10257b3115f2SLuciano Coelho return ret; 10267b3115f2SLuciano Coelho } 10277b3115f2SLuciano Coelho 10287b3115f2SLuciano Coelho int wl12xx_cmd_build_probe_req(struct wl1271 *wl, struct wl12xx_vif *wlvif, 10297b3115f2SLuciano Coelho u8 role_id, u8 band, 10307b3115f2SLuciano Coelho const u8 *ssid, size_t ssid_len, 10313df74f46SYoni Divinsky const u8 *ie, size_t ie_len, bool sched_scan) 10327b3115f2SLuciano Coelho { 10337b3115f2SLuciano Coelho struct ieee80211_vif *vif = wl12xx_wlvif_to_vif(wlvif); 10347b3115f2SLuciano Coelho struct sk_buff *skb; 10357b3115f2SLuciano Coelho int ret; 10367b3115f2SLuciano Coelho u32 rate; 10373df74f46SYoni Divinsky u16 template_id_2_4 = CMD_TEMPL_CFG_PROBE_REQ_2_4; 10383df74f46SYoni Divinsky u16 template_id_5 = CMD_TEMPL_CFG_PROBE_REQ_5; 10397b3115f2SLuciano Coelho 10407b3115f2SLuciano Coelho skb = ieee80211_probereq_get(wl->hw, vif, ssid, ssid_len, 10417b3115f2SLuciano Coelho ie, ie_len); 10427b3115f2SLuciano Coelho if (!skb) { 10437b3115f2SLuciano Coelho ret = -ENOMEM; 10447b3115f2SLuciano Coelho goto out; 10457b3115f2SLuciano Coelho } 10467b3115f2SLuciano Coelho 10477b3115f2SLuciano Coelho wl1271_dump(DEBUG_SCAN, "PROBE REQ: ", skb->data, skb->len); 10487b3115f2SLuciano Coelho 10493df74f46SYoni Divinsky if (!sched_scan && 10503df74f46SYoni Divinsky (wl->quirks & WLCORE_QUIRK_DUAL_PROBE_TMPL)) { 10513df74f46SYoni Divinsky template_id_2_4 = CMD_TEMPL_APP_PROBE_REQ_2_4; 10523df74f46SYoni Divinsky template_id_5 = CMD_TEMPL_APP_PROBE_REQ_5; 10533df74f46SYoni Divinsky } 10543df74f46SYoni Divinsky 10557b3115f2SLuciano Coelho rate = wl1271_tx_min_rate_get(wl, wlvif->bitrate_masks[band]); 10567b3115f2SLuciano Coelho if (band == IEEE80211_BAND_2GHZ) 10577b3115f2SLuciano Coelho ret = wl1271_cmd_template_set(wl, role_id, 10583df74f46SYoni Divinsky template_id_2_4, 10597b3115f2SLuciano Coelho skb->data, skb->len, 0, rate); 10607b3115f2SLuciano Coelho else 10617b3115f2SLuciano Coelho ret = wl1271_cmd_template_set(wl, role_id, 10623df74f46SYoni Divinsky template_id_5, 10637b3115f2SLuciano Coelho skb->data, skb->len, 0, rate); 10647b3115f2SLuciano Coelho 10657b3115f2SLuciano Coelho out: 10667b3115f2SLuciano Coelho dev_kfree_skb(skb); 10677b3115f2SLuciano Coelho return ret; 10687b3115f2SLuciano Coelho } 10697b3115f2SLuciano Coelho 10707b3115f2SLuciano Coelho struct sk_buff *wl1271_cmd_build_ap_probe_req(struct wl1271 *wl, 10717b3115f2SLuciano Coelho struct wl12xx_vif *wlvif, 10727b3115f2SLuciano Coelho struct sk_buff *skb) 10737b3115f2SLuciano Coelho { 10747b3115f2SLuciano Coelho struct ieee80211_vif *vif = wl12xx_wlvif_to_vif(wlvif); 10757b3115f2SLuciano Coelho int ret; 10767b3115f2SLuciano Coelho u32 rate; 10777b3115f2SLuciano Coelho 10787b3115f2SLuciano Coelho if (!skb) 10797b3115f2SLuciano Coelho skb = ieee80211_ap_probereq_get(wl->hw, vif); 10807b3115f2SLuciano Coelho if (!skb) 10817b3115f2SLuciano Coelho goto out; 10827b3115f2SLuciano Coelho 10837b3115f2SLuciano Coelho wl1271_dump(DEBUG_SCAN, "AP PROBE REQ: ", skb->data, skb->len); 10847b3115f2SLuciano Coelho 10857b3115f2SLuciano Coelho rate = wl1271_tx_min_rate_get(wl, wlvif->bitrate_masks[wlvif->band]); 10867b3115f2SLuciano Coelho if (wlvif->band == IEEE80211_BAND_2GHZ) 10877b3115f2SLuciano Coelho ret = wl1271_cmd_template_set(wl, wlvif->role_id, 10887b3115f2SLuciano Coelho CMD_TEMPL_CFG_PROBE_REQ_2_4, 10897b3115f2SLuciano Coelho skb->data, skb->len, 0, rate); 10907b3115f2SLuciano Coelho else 10917b3115f2SLuciano Coelho ret = wl1271_cmd_template_set(wl, wlvif->role_id, 10927b3115f2SLuciano Coelho CMD_TEMPL_CFG_PROBE_REQ_5, 10937b3115f2SLuciano Coelho skb->data, skb->len, 0, rate); 10947b3115f2SLuciano Coelho 10957b3115f2SLuciano Coelho if (ret < 0) 10967b3115f2SLuciano Coelho wl1271_error("Unable to set ap probe request template."); 10977b3115f2SLuciano Coelho 10987b3115f2SLuciano Coelho out: 10997b3115f2SLuciano Coelho return skb; 11007b3115f2SLuciano Coelho } 11017b3115f2SLuciano Coelho 11027b3115f2SLuciano Coelho int wl1271_cmd_build_arp_rsp(struct wl1271 *wl, struct wl12xx_vif *wlvif) 11037b3115f2SLuciano Coelho { 11042c0133a4SArik Nemtsov int ret, extra = 0; 11057b3115f2SLuciano Coelho u16 fc; 11067b3115f2SLuciano Coelho struct ieee80211_vif *vif = wl12xx_wlvif_to_vif(wlvif); 11077b3115f2SLuciano Coelho struct sk_buff *skb; 11087b3115f2SLuciano Coelho struct wl12xx_arp_rsp_template *tmpl; 11097b3115f2SLuciano Coelho struct ieee80211_hdr_3addr *hdr; 11107b3115f2SLuciano Coelho struct arphdr *arp_hdr; 11117b3115f2SLuciano Coelho 11127b3115f2SLuciano Coelho skb = dev_alloc_skb(sizeof(*hdr) + sizeof(__le16) + sizeof(*tmpl) + 11137b3115f2SLuciano Coelho WL1271_EXTRA_SPACE_MAX); 11147b3115f2SLuciano Coelho if (!skb) { 11157b3115f2SLuciano Coelho wl1271_error("failed to allocate buffer for arp rsp template"); 11167b3115f2SLuciano Coelho return -ENOMEM; 11177b3115f2SLuciano Coelho } 11187b3115f2SLuciano Coelho 11197b3115f2SLuciano Coelho skb_reserve(skb, sizeof(*hdr) + WL1271_EXTRA_SPACE_MAX); 11207b3115f2SLuciano Coelho 11217b3115f2SLuciano Coelho tmpl = (struct wl12xx_arp_rsp_template *)skb_put(skb, sizeof(*tmpl)); 1122161f17b5SJesper Juhl memset(tmpl, 0, sizeof(*tmpl)); 11237b3115f2SLuciano Coelho 11247b3115f2SLuciano Coelho /* llc layer */ 11257b3115f2SLuciano Coelho memcpy(tmpl->llc_hdr, rfc1042_header, sizeof(rfc1042_header)); 11267b3115f2SLuciano Coelho tmpl->llc_type = cpu_to_be16(ETH_P_ARP); 11277b3115f2SLuciano Coelho 11287b3115f2SLuciano Coelho /* arp header */ 11297b3115f2SLuciano Coelho arp_hdr = &tmpl->arp_hdr; 11307b3115f2SLuciano Coelho arp_hdr->ar_hrd = cpu_to_be16(ARPHRD_ETHER); 11317b3115f2SLuciano Coelho arp_hdr->ar_pro = cpu_to_be16(ETH_P_IP); 11327b3115f2SLuciano Coelho arp_hdr->ar_hln = ETH_ALEN; 11337b3115f2SLuciano Coelho arp_hdr->ar_pln = 4; 11347b3115f2SLuciano Coelho arp_hdr->ar_op = cpu_to_be16(ARPOP_REPLY); 11357b3115f2SLuciano Coelho 11367b3115f2SLuciano Coelho /* arp payload */ 11377b3115f2SLuciano Coelho memcpy(tmpl->sender_hw, vif->addr, ETH_ALEN); 11387b3115f2SLuciano Coelho tmpl->sender_ip = wlvif->ip_addr; 11397b3115f2SLuciano Coelho 11407b3115f2SLuciano Coelho /* encryption space */ 11417b3115f2SLuciano Coelho switch (wlvif->encryption_type) { 11427b3115f2SLuciano Coelho case KEY_TKIP: 11432c0133a4SArik Nemtsov if (wl->quirks & WLCORE_QUIRK_TKIP_HEADER_SPACE) 11447b3115f2SLuciano Coelho extra = WL1271_EXTRA_SPACE_TKIP; 11457b3115f2SLuciano Coelho break; 11467b3115f2SLuciano Coelho case KEY_AES: 11477b3115f2SLuciano Coelho extra = WL1271_EXTRA_SPACE_AES; 11487b3115f2SLuciano Coelho break; 11497b3115f2SLuciano Coelho case KEY_NONE: 11507b3115f2SLuciano Coelho case KEY_WEP: 11517b3115f2SLuciano Coelho case KEY_GEM: 11527b3115f2SLuciano Coelho extra = 0; 11537b3115f2SLuciano Coelho break; 11547b3115f2SLuciano Coelho default: 11557b3115f2SLuciano Coelho wl1271_warning("Unknown encryption type: %d", 11567b3115f2SLuciano Coelho wlvif->encryption_type); 11577b3115f2SLuciano Coelho ret = -EINVAL; 11587b3115f2SLuciano Coelho goto out; 11597b3115f2SLuciano Coelho } 11607b3115f2SLuciano Coelho 11617b3115f2SLuciano Coelho if (extra) { 11627b3115f2SLuciano Coelho u8 *space = skb_push(skb, extra); 11637b3115f2SLuciano Coelho memset(space, 0, extra); 11647b3115f2SLuciano Coelho } 11657b3115f2SLuciano Coelho 11667b3115f2SLuciano Coelho /* QoS header - BE */ 11677b3115f2SLuciano Coelho if (wlvif->sta.qos) 11687b3115f2SLuciano Coelho memset(skb_push(skb, sizeof(__le16)), 0, sizeof(__le16)); 11697b3115f2SLuciano Coelho 11707b3115f2SLuciano Coelho /* mac80211 header */ 11717b3115f2SLuciano Coelho hdr = (struct ieee80211_hdr_3addr *)skb_push(skb, sizeof(*hdr)); 1172161f17b5SJesper Juhl memset(hdr, 0, sizeof(*hdr)); 11737b3115f2SLuciano Coelho fc = IEEE80211_FTYPE_DATA | IEEE80211_FCTL_TODS; 11747b3115f2SLuciano Coelho if (wlvif->sta.qos) 11757b3115f2SLuciano Coelho fc |= IEEE80211_STYPE_QOS_DATA; 11767b3115f2SLuciano Coelho else 11777b3115f2SLuciano Coelho fc |= IEEE80211_STYPE_DATA; 11787b3115f2SLuciano Coelho if (wlvif->encryption_type != KEY_NONE) 11797b3115f2SLuciano Coelho fc |= IEEE80211_FCTL_PROTECTED; 11807b3115f2SLuciano Coelho 11817b3115f2SLuciano Coelho hdr->frame_control = cpu_to_le16(fc); 11827b3115f2SLuciano Coelho memcpy(hdr->addr1, vif->bss_conf.bssid, ETH_ALEN); 11837b3115f2SLuciano Coelho memcpy(hdr->addr2, vif->addr, ETH_ALEN); 11847b3115f2SLuciano Coelho memset(hdr->addr3, 0xff, ETH_ALEN); 11857b3115f2SLuciano Coelho 11867b3115f2SLuciano Coelho ret = wl1271_cmd_template_set(wl, wlvif->role_id, CMD_TEMPL_ARP_RSP, 11877b3115f2SLuciano Coelho skb->data, skb->len, 0, 11887b3115f2SLuciano Coelho wlvif->basic_rate); 11897b3115f2SLuciano Coelho out: 11907b3115f2SLuciano Coelho dev_kfree_skb(skb); 11917b3115f2SLuciano Coelho return ret; 11927b3115f2SLuciano Coelho } 11937b3115f2SLuciano Coelho 11947b3115f2SLuciano Coelho int wl1271_build_qos_null_data(struct wl1271 *wl, struct ieee80211_vif *vif) 11957b3115f2SLuciano Coelho { 11967b3115f2SLuciano Coelho struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); 11977b3115f2SLuciano Coelho struct ieee80211_qos_hdr template; 11987b3115f2SLuciano Coelho 11997b3115f2SLuciano Coelho memset(&template, 0, sizeof(template)); 12007b3115f2SLuciano Coelho 12017b3115f2SLuciano Coelho memcpy(template.addr1, vif->bss_conf.bssid, ETH_ALEN); 12027b3115f2SLuciano Coelho memcpy(template.addr2, vif->addr, ETH_ALEN); 12037b3115f2SLuciano Coelho memcpy(template.addr3, vif->bss_conf.bssid, ETH_ALEN); 12047b3115f2SLuciano Coelho 12057b3115f2SLuciano Coelho template.frame_control = cpu_to_le16(IEEE80211_FTYPE_DATA | 12067b3115f2SLuciano Coelho IEEE80211_STYPE_QOS_NULLFUNC | 12077b3115f2SLuciano Coelho IEEE80211_FCTL_TODS); 12087b3115f2SLuciano Coelho 12097b3115f2SLuciano Coelho /* FIXME: not sure what priority to use here */ 12107b3115f2SLuciano Coelho template.qos_ctrl = cpu_to_le16(0); 12117b3115f2SLuciano Coelho 12127b3115f2SLuciano Coelho return wl1271_cmd_template_set(wl, wlvif->role_id, 12137b3115f2SLuciano Coelho CMD_TEMPL_QOS_NULL_DATA, &template, 12147b3115f2SLuciano Coelho sizeof(template), 0, 12157b3115f2SLuciano Coelho wlvif->basic_rate); 12167b3115f2SLuciano Coelho } 12177b3115f2SLuciano Coelho 12187b3115f2SLuciano Coelho int wl12xx_cmd_set_default_wep_key(struct wl1271 *wl, u8 id, u8 hlid) 12197b3115f2SLuciano Coelho { 12207b3115f2SLuciano Coelho struct wl1271_cmd_set_keys *cmd; 12217b3115f2SLuciano Coelho int ret = 0; 12227b3115f2SLuciano Coelho 12237b3115f2SLuciano Coelho wl1271_debug(DEBUG_CMD, "cmd set_default_wep_key %d", id); 12247b3115f2SLuciano Coelho 12257b3115f2SLuciano Coelho cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 12267b3115f2SLuciano Coelho if (!cmd) { 12277b3115f2SLuciano Coelho ret = -ENOMEM; 12287b3115f2SLuciano Coelho goto out; 12297b3115f2SLuciano Coelho } 12307b3115f2SLuciano Coelho 12317b3115f2SLuciano Coelho cmd->hlid = hlid; 12327b3115f2SLuciano Coelho cmd->key_id = id; 12337b3115f2SLuciano Coelho cmd->lid_key_type = WEP_DEFAULT_LID_TYPE; 12347b3115f2SLuciano Coelho cmd->key_action = cpu_to_le16(KEY_SET_ID); 12357b3115f2SLuciano Coelho cmd->key_type = KEY_WEP; 12367b3115f2SLuciano Coelho 12377b3115f2SLuciano Coelho ret = wl1271_cmd_send(wl, CMD_SET_KEYS, cmd, sizeof(*cmd), 0); 12387b3115f2SLuciano Coelho if (ret < 0) { 12397b3115f2SLuciano Coelho wl1271_warning("cmd set_default_wep_key failed: %d", ret); 12407b3115f2SLuciano Coelho goto out; 12417b3115f2SLuciano Coelho } 12427b3115f2SLuciano Coelho 12437b3115f2SLuciano Coelho out: 12447b3115f2SLuciano Coelho kfree(cmd); 12457b3115f2SLuciano Coelho 12467b3115f2SLuciano Coelho return ret; 12477b3115f2SLuciano Coelho } 12487b3115f2SLuciano Coelho 12497b3115f2SLuciano Coelho int wl1271_cmd_set_sta_key(struct wl1271 *wl, struct wl12xx_vif *wlvif, 12507b3115f2SLuciano Coelho u16 action, u8 id, u8 key_type, 12517b3115f2SLuciano Coelho u8 key_size, const u8 *key, const u8 *addr, 12527b3115f2SLuciano Coelho u32 tx_seq_32, u16 tx_seq_16) 12537b3115f2SLuciano Coelho { 12547b3115f2SLuciano Coelho struct wl1271_cmd_set_keys *cmd; 12557b3115f2SLuciano Coelho int ret = 0; 12567b3115f2SLuciano Coelho 12577b3115f2SLuciano Coelho /* hlid might have already been deleted */ 12587b3115f2SLuciano Coelho if (wlvif->sta.hlid == WL12XX_INVALID_LINK_ID) 12597b3115f2SLuciano Coelho return 0; 12607b3115f2SLuciano Coelho 12617b3115f2SLuciano Coelho cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 12627b3115f2SLuciano Coelho if (!cmd) { 12637b3115f2SLuciano Coelho ret = -ENOMEM; 12647b3115f2SLuciano Coelho goto out; 12657b3115f2SLuciano Coelho } 12667b3115f2SLuciano Coelho 12677b3115f2SLuciano Coelho cmd->hlid = wlvif->sta.hlid; 12687b3115f2SLuciano Coelho 12697b3115f2SLuciano Coelho if (key_type == KEY_WEP) 12707b3115f2SLuciano Coelho cmd->lid_key_type = WEP_DEFAULT_LID_TYPE; 12717b3115f2SLuciano Coelho else if (is_broadcast_ether_addr(addr)) 12727b3115f2SLuciano Coelho cmd->lid_key_type = BROADCAST_LID_TYPE; 12737b3115f2SLuciano Coelho else 12747b3115f2SLuciano Coelho cmd->lid_key_type = UNICAST_LID_TYPE; 12757b3115f2SLuciano Coelho 12767b3115f2SLuciano Coelho cmd->key_action = cpu_to_le16(action); 12777b3115f2SLuciano Coelho cmd->key_size = key_size; 12787b3115f2SLuciano Coelho cmd->key_type = key_type; 12797b3115f2SLuciano Coelho 12807b3115f2SLuciano Coelho cmd->ac_seq_num16[0] = cpu_to_le16(tx_seq_16); 12817b3115f2SLuciano Coelho cmd->ac_seq_num32[0] = cpu_to_le32(tx_seq_32); 12827b3115f2SLuciano Coelho 12837b3115f2SLuciano Coelho cmd->key_id = id; 12847b3115f2SLuciano Coelho 12857b3115f2SLuciano Coelho if (key_type == KEY_TKIP) { 12867b3115f2SLuciano Coelho /* 12877b3115f2SLuciano Coelho * We get the key in the following form: 12887b3115f2SLuciano Coelho * TKIP (16 bytes) - TX MIC (8 bytes) - RX MIC (8 bytes) 12897b3115f2SLuciano Coelho * but the target is expecting: 12907b3115f2SLuciano Coelho * TKIP - RX MIC - TX MIC 12917b3115f2SLuciano Coelho */ 12927b3115f2SLuciano Coelho memcpy(cmd->key, key, 16); 12937b3115f2SLuciano Coelho memcpy(cmd->key + 16, key + 24, 8); 12947b3115f2SLuciano Coelho memcpy(cmd->key + 24, key + 16, 8); 12957b3115f2SLuciano Coelho 12967b3115f2SLuciano Coelho } else { 12977b3115f2SLuciano Coelho memcpy(cmd->key, key, key_size); 12987b3115f2SLuciano Coelho } 12997b3115f2SLuciano Coelho 13007b3115f2SLuciano Coelho wl1271_dump(DEBUG_CRYPT, "TARGET KEY: ", cmd, sizeof(*cmd)); 13017b3115f2SLuciano Coelho 13027b3115f2SLuciano Coelho ret = wl1271_cmd_send(wl, CMD_SET_KEYS, cmd, sizeof(*cmd), 0); 13037b3115f2SLuciano Coelho if (ret < 0) { 13047b3115f2SLuciano Coelho wl1271_warning("could not set keys"); 13057b3115f2SLuciano Coelho goto out; 13067b3115f2SLuciano Coelho } 13077b3115f2SLuciano Coelho 13087b3115f2SLuciano Coelho out: 13097b3115f2SLuciano Coelho kfree(cmd); 13107b3115f2SLuciano Coelho 13117b3115f2SLuciano Coelho return ret; 13127b3115f2SLuciano Coelho } 13137b3115f2SLuciano Coelho 13147b3115f2SLuciano Coelho /* 13157b3115f2SLuciano Coelho * TODO: merge with sta/ibss into 1 set_key function. 13167b3115f2SLuciano Coelho * note there are slight diffs 13177b3115f2SLuciano Coelho */ 13187b3115f2SLuciano Coelho int wl1271_cmd_set_ap_key(struct wl1271 *wl, struct wl12xx_vif *wlvif, 13197b3115f2SLuciano Coelho u16 action, u8 id, u8 key_type, 13207b3115f2SLuciano Coelho u8 key_size, const u8 *key, u8 hlid, u32 tx_seq_32, 13217b3115f2SLuciano Coelho u16 tx_seq_16) 13227b3115f2SLuciano Coelho { 13237b3115f2SLuciano Coelho struct wl1271_cmd_set_keys *cmd; 13247b3115f2SLuciano Coelho int ret = 0; 13257b3115f2SLuciano Coelho u8 lid_type; 13267b3115f2SLuciano Coelho 13277b3115f2SLuciano Coelho cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 13287b3115f2SLuciano Coelho if (!cmd) 13297b3115f2SLuciano Coelho return -ENOMEM; 13307b3115f2SLuciano Coelho 13317b3115f2SLuciano Coelho if (hlid == wlvif->ap.bcast_hlid) { 13327b3115f2SLuciano Coelho if (key_type == KEY_WEP) 13337b3115f2SLuciano Coelho lid_type = WEP_DEFAULT_LID_TYPE; 13347b3115f2SLuciano Coelho else 13357b3115f2SLuciano Coelho lid_type = BROADCAST_LID_TYPE; 13367b3115f2SLuciano Coelho } else { 13377b3115f2SLuciano Coelho lid_type = UNICAST_LID_TYPE; 13387b3115f2SLuciano Coelho } 13397b3115f2SLuciano Coelho 13407b3115f2SLuciano Coelho wl1271_debug(DEBUG_CRYPT, "ap key action: %d id: %d lid: %d type: %d" 13417b3115f2SLuciano Coelho " hlid: %d", (int)action, (int)id, (int)lid_type, 13427b3115f2SLuciano Coelho (int)key_type, (int)hlid); 13437b3115f2SLuciano Coelho 13447b3115f2SLuciano Coelho cmd->lid_key_type = lid_type; 13457b3115f2SLuciano Coelho cmd->hlid = hlid; 13467b3115f2SLuciano Coelho cmd->key_action = cpu_to_le16(action); 13477b3115f2SLuciano Coelho cmd->key_size = key_size; 13487b3115f2SLuciano Coelho cmd->key_type = key_type; 13497b3115f2SLuciano Coelho cmd->key_id = id; 13507b3115f2SLuciano Coelho cmd->ac_seq_num16[0] = cpu_to_le16(tx_seq_16); 13517b3115f2SLuciano Coelho cmd->ac_seq_num32[0] = cpu_to_le32(tx_seq_32); 13527b3115f2SLuciano Coelho 13537b3115f2SLuciano Coelho if (key_type == KEY_TKIP) { 13547b3115f2SLuciano Coelho /* 13557b3115f2SLuciano Coelho * We get the key in the following form: 13567b3115f2SLuciano Coelho * TKIP (16 bytes) - TX MIC (8 bytes) - RX MIC (8 bytes) 13577b3115f2SLuciano Coelho * but the target is expecting: 13587b3115f2SLuciano Coelho * TKIP - RX MIC - TX MIC 13597b3115f2SLuciano Coelho */ 13607b3115f2SLuciano Coelho memcpy(cmd->key, key, 16); 13617b3115f2SLuciano Coelho memcpy(cmd->key + 16, key + 24, 8); 13627b3115f2SLuciano Coelho memcpy(cmd->key + 24, key + 16, 8); 13637b3115f2SLuciano Coelho } else { 13647b3115f2SLuciano Coelho memcpy(cmd->key, key, key_size); 13657b3115f2SLuciano Coelho } 13667b3115f2SLuciano Coelho 13677b3115f2SLuciano Coelho wl1271_dump(DEBUG_CRYPT, "TARGET AP KEY: ", cmd, sizeof(*cmd)); 13687b3115f2SLuciano Coelho 13697b3115f2SLuciano Coelho ret = wl1271_cmd_send(wl, CMD_SET_KEYS, cmd, sizeof(*cmd), 0); 13707b3115f2SLuciano Coelho if (ret < 0) { 13717b3115f2SLuciano Coelho wl1271_warning("could not set ap keys"); 13727b3115f2SLuciano Coelho goto out; 13737b3115f2SLuciano Coelho } 13747b3115f2SLuciano Coelho 13757b3115f2SLuciano Coelho out: 13767b3115f2SLuciano Coelho kfree(cmd); 13777b3115f2SLuciano Coelho return ret; 13787b3115f2SLuciano Coelho } 13797b3115f2SLuciano Coelho 13807b3115f2SLuciano Coelho int wl12xx_cmd_set_peer_state(struct wl1271 *wl, u8 hlid) 13817b3115f2SLuciano Coelho { 13827b3115f2SLuciano Coelho struct wl12xx_cmd_set_peer_state *cmd; 13837b3115f2SLuciano Coelho int ret = 0; 13847b3115f2SLuciano Coelho 13857b3115f2SLuciano Coelho wl1271_debug(DEBUG_CMD, "cmd set peer state (hlid=%d)", hlid); 13867b3115f2SLuciano Coelho 13877b3115f2SLuciano Coelho cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 13887b3115f2SLuciano Coelho if (!cmd) { 13897b3115f2SLuciano Coelho ret = -ENOMEM; 13907b3115f2SLuciano Coelho goto out; 13917b3115f2SLuciano Coelho } 13927b3115f2SLuciano Coelho 13937b3115f2SLuciano Coelho cmd->hlid = hlid; 13947b3115f2SLuciano Coelho cmd->state = WL1271_CMD_STA_STATE_CONNECTED; 13957b3115f2SLuciano Coelho 13967b3115f2SLuciano Coelho ret = wl1271_cmd_send(wl, CMD_SET_PEER_STATE, cmd, sizeof(*cmd), 0); 13977b3115f2SLuciano Coelho if (ret < 0) { 13987b3115f2SLuciano Coelho wl1271_error("failed to send set peer state command"); 13997b3115f2SLuciano Coelho goto out_free; 14007b3115f2SLuciano Coelho } 14017b3115f2SLuciano Coelho 14027b3115f2SLuciano Coelho out_free: 14037b3115f2SLuciano Coelho kfree(cmd); 14047b3115f2SLuciano Coelho 14057b3115f2SLuciano Coelho out: 14067b3115f2SLuciano Coelho return ret; 14077b3115f2SLuciano Coelho } 14087b3115f2SLuciano Coelho 14097b3115f2SLuciano Coelho int wl12xx_cmd_add_peer(struct wl1271 *wl, struct wl12xx_vif *wlvif, 14107b3115f2SLuciano Coelho struct ieee80211_sta *sta, u8 hlid) 14117b3115f2SLuciano Coelho { 14127b3115f2SLuciano Coelho struct wl12xx_cmd_add_peer *cmd; 14137b3115f2SLuciano Coelho int i, ret; 14147b3115f2SLuciano Coelho u32 sta_rates; 14157b3115f2SLuciano Coelho 14167b3115f2SLuciano Coelho wl1271_debug(DEBUG_CMD, "cmd add peer %d", (int)hlid); 14177b3115f2SLuciano Coelho 14187b3115f2SLuciano Coelho cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 14197b3115f2SLuciano Coelho if (!cmd) { 14207b3115f2SLuciano Coelho ret = -ENOMEM; 14217b3115f2SLuciano Coelho goto out; 14227b3115f2SLuciano Coelho } 14237b3115f2SLuciano Coelho 14247b3115f2SLuciano Coelho memcpy(cmd->addr, sta->addr, ETH_ALEN); 14257b3115f2SLuciano Coelho cmd->bss_index = WL1271_AP_BSS_INDEX; 14267b3115f2SLuciano Coelho cmd->aid = sta->aid; 14277b3115f2SLuciano Coelho cmd->hlid = hlid; 14287b3115f2SLuciano Coelho cmd->sp_len = sta->max_sp; 14297b3115f2SLuciano Coelho cmd->wmm = sta->wme ? 1 : 0; 14307b3115f2SLuciano Coelho 14317b3115f2SLuciano Coelho for (i = 0; i < NUM_ACCESS_CATEGORIES_COPY; i++) 14327b3115f2SLuciano Coelho if (sta->wme && (sta->uapsd_queues & BIT(i))) 14332e42c203SYoni Divinsky cmd->psd_type[NUM_ACCESS_CATEGORIES_COPY-1-i] = 14342e42c203SYoni Divinsky WL1271_PSD_UPSD_TRIGGER; 14357b3115f2SLuciano Coelho else 14362e42c203SYoni Divinsky cmd->psd_type[NUM_ACCESS_CATEGORIES_COPY-1-i] = 14372e42c203SYoni Divinsky WL1271_PSD_LEGACY; 14382e42c203SYoni Divinsky 14397b3115f2SLuciano Coelho 14407b3115f2SLuciano Coelho sta_rates = sta->supp_rates[wlvif->band]; 14417b3115f2SLuciano Coelho if (sta->ht_cap.ht_supported) 1442b3a47ee0SArik Nemtsov sta_rates |= 1443b3a47ee0SArik Nemtsov (sta->ht_cap.mcs.rx_mask[0] << HW_HT_RATES_OFFSET) | 1444b3a47ee0SArik Nemtsov (sta->ht_cap.mcs.rx_mask[1] << HW_MIMO_RATES_OFFSET); 14457b3115f2SLuciano Coelho 14467b3115f2SLuciano Coelho cmd->supported_rates = 14477b3115f2SLuciano Coelho cpu_to_le32(wl1271_tx_enabled_rates_get(wl, sta_rates, 14487b3115f2SLuciano Coelho wlvif->band)); 14497b3115f2SLuciano Coelho 14507b3115f2SLuciano Coelho wl1271_debug(DEBUG_CMD, "new peer rates=0x%x queues=0x%x", 14517b3115f2SLuciano Coelho cmd->supported_rates, sta->uapsd_queues); 14527b3115f2SLuciano Coelho 14537b3115f2SLuciano Coelho ret = wl1271_cmd_send(wl, CMD_ADD_PEER, cmd, sizeof(*cmd), 0); 14547b3115f2SLuciano Coelho if (ret < 0) { 14557b3115f2SLuciano Coelho wl1271_error("failed to initiate cmd add peer"); 14567b3115f2SLuciano Coelho goto out_free; 14577b3115f2SLuciano Coelho } 14587b3115f2SLuciano Coelho 14597b3115f2SLuciano Coelho out_free: 14607b3115f2SLuciano Coelho kfree(cmd); 14617b3115f2SLuciano Coelho 14627b3115f2SLuciano Coelho out: 14637b3115f2SLuciano Coelho return ret; 14647b3115f2SLuciano Coelho } 14657b3115f2SLuciano Coelho 14667b3115f2SLuciano Coelho int wl12xx_cmd_remove_peer(struct wl1271 *wl, u8 hlid) 14677b3115f2SLuciano Coelho { 14687b3115f2SLuciano Coelho struct wl12xx_cmd_remove_peer *cmd; 14697b3115f2SLuciano Coelho int ret; 14706c15c1aaSEyal Shapira bool timeout = false; 14717b3115f2SLuciano Coelho 14727b3115f2SLuciano Coelho wl1271_debug(DEBUG_CMD, "cmd remove peer %d", (int)hlid); 14737b3115f2SLuciano Coelho 14747b3115f2SLuciano Coelho cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 14757b3115f2SLuciano Coelho if (!cmd) { 14767b3115f2SLuciano Coelho ret = -ENOMEM; 14777b3115f2SLuciano Coelho goto out; 14787b3115f2SLuciano Coelho } 14797b3115f2SLuciano Coelho 14807b3115f2SLuciano Coelho cmd->hlid = hlid; 14817b3115f2SLuciano Coelho /* We never send a deauth, mac80211 is in charge of this */ 14827b3115f2SLuciano Coelho cmd->reason_opcode = 0; 14837b3115f2SLuciano Coelho cmd->send_deauth_flag = 0; 14847b3115f2SLuciano Coelho 14857b3115f2SLuciano Coelho ret = wl1271_cmd_send(wl, CMD_REMOVE_PEER, cmd, sizeof(*cmd), 0); 14867b3115f2SLuciano Coelho if (ret < 0) { 14877b3115f2SLuciano Coelho wl1271_error("failed to initiate cmd remove peer"); 14887b3115f2SLuciano Coelho goto out_free; 14897b3115f2SLuciano Coelho } 14907b3115f2SLuciano Coelho 14916c15c1aaSEyal Shapira ret = wl1271_cmd_wait_for_event_or_timeout(wl, 14926c15c1aaSEyal Shapira PEER_REMOVE_COMPLETE_EVENT_ID, 14936c15c1aaSEyal Shapira &timeout); 14947b3115f2SLuciano Coelho /* 14957b3115f2SLuciano Coelho * We are ok with a timeout here. The event is sometimes not sent 14966c15c1aaSEyal Shapira * due to a firmware bug. In case of another error (like SDIO timeout) 14976c15c1aaSEyal Shapira * queue a recovery. 14987b3115f2SLuciano Coelho */ 14996c15c1aaSEyal Shapira if (ret) 15006c15c1aaSEyal Shapira wl12xx_queue_recovery_work(wl); 15017b3115f2SLuciano Coelho 15027b3115f2SLuciano Coelho out_free: 15037b3115f2SLuciano Coelho kfree(cmd); 15047b3115f2SLuciano Coelho 15057b3115f2SLuciano Coelho out: 15067b3115f2SLuciano Coelho return ret; 15077b3115f2SLuciano Coelho } 15087b3115f2SLuciano Coelho 15097b3115f2SLuciano Coelho int wl12xx_cmd_config_fwlog(struct wl1271 *wl) 15107b3115f2SLuciano Coelho { 15117b3115f2SLuciano Coelho struct wl12xx_cmd_config_fwlog *cmd; 15127b3115f2SLuciano Coelho int ret = 0; 15137b3115f2SLuciano Coelho 15147b3115f2SLuciano Coelho wl1271_debug(DEBUG_CMD, "cmd config firmware logger"); 15157b3115f2SLuciano Coelho 15167b3115f2SLuciano Coelho cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 15177b3115f2SLuciano Coelho if (!cmd) { 15187b3115f2SLuciano Coelho ret = -ENOMEM; 15197b3115f2SLuciano Coelho goto out; 15207b3115f2SLuciano Coelho } 15217b3115f2SLuciano Coelho 15227b3115f2SLuciano Coelho cmd->logger_mode = wl->conf.fwlog.mode; 15237b3115f2SLuciano Coelho cmd->log_severity = wl->conf.fwlog.severity; 15247b3115f2SLuciano Coelho cmd->timestamp = wl->conf.fwlog.timestamp; 15257b3115f2SLuciano Coelho cmd->output = wl->conf.fwlog.output; 15267b3115f2SLuciano Coelho cmd->threshold = wl->conf.fwlog.threshold; 15277b3115f2SLuciano Coelho 15287b3115f2SLuciano Coelho ret = wl1271_cmd_send(wl, CMD_CONFIG_FWLOGGER, cmd, sizeof(*cmd), 0); 15297b3115f2SLuciano Coelho if (ret < 0) { 15307b3115f2SLuciano Coelho wl1271_error("failed to send config firmware logger command"); 15317b3115f2SLuciano Coelho goto out_free; 15327b3115f2SLuciano Coelho } 15337b3115f2SLuciano Coelho 15347b3115f2SLuciano Coelho out_free: 15357b3115f2SLuciano Coelho kfree(cmd); 15367b3115f2SLuciano Coelho 15377b3115f2SLuciano Coelho out: 15387b3115f2SLuciano Coelho return ret; 15397b3115f2SLuciano Coelho } 15407b3115f2SLuciano Coelho 15417b3115f2SLuciano Coelho int wl12xx_cmd_start_fwlog(struct wl1271 *wl) 15427b3115f2SLuciano Coelho { 15437b3115f2SLuciano Coelho struct wl12xx_cmd_start_fwlog *cmd; 15447b3115f2SLuciano Coelho int ret = 0; 15457b3115f2SLuciano Coelho 15467b3115f2SLuciano Coelho wl1271_debug(DEBUG_CMD, "cmd start firmware logger"); 15477b3115f2SLuciano Coelho 15487b3115f2SLuciano Coelho cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 15497b3115f2SLuciano Coelho if (!cmd) { 15507b3115f2SLuciano Coelho ret = -ENOMEM; 15517b3115f2SLuciano Coelho goto out; 15527b3115f2SLuciano Coelho } 15537b3115f2SLuciano Coelho 15547b3115f2SLuciano Coelho ret = wl1271_cmd_send(wl, CMD_START_FWLOGGER, cmd, sizeof(*cmd), 0); 15557b3115f2SLuciano Coelho if (ret < 0) { 15567b3115f2SLuciano Coelho wl1271_error("failed to send start firmware logger command"); 15577b3115f2SLuciano Coelho goto out_free; 15587b3115f2SLuciano Coelho } 15597b3115f2SLuciano Coelho 15607b3115f2SLuciano Coelho out_free: 15617b3115f2SLuciano Coelho kfree(cmd); 15627b3115f2SLuciano Coelho 15637b3115f2SLuciano Coelho out: 15647b3115f2SLuciano Coelho return ret; 15657b3115f2SLuciano Coelho } 15667b3115f2SLuciano Coelho 15677b3115f2SLuciano Coelho int wl12xx_cmd_stop_fwlog(struct wl1271 *wl) 15687b3115f2SLuciano Coelho { 15697b3115f2SLuciano Coelho struct wl12xx_cmd_stop_fwlog *cmd; 15707b3115f2SLuciano Coelho int ret = 0; 15717b3115f2SLuciano Coelho 15727b3115f2SLuciano Coelho wl1271_debug(DEBUG_CMD, "cmd stop firmware logger"); 15737b3115f2SLuciano Coelho 15747b3115f2SLuciano Coelho cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 15757b3115f2SLuciano Coelho if (!cmd) { 15767b3115f2SLuciano Coelho ret = -ENOMEM; 15777b3115f2SLuciano Coelho goto out; 15787b3115f2SLuciano Coelho } 15797b3115f2SLuciano Coelho 15807b3115f2SLuciano Coelho ret = wl1271_cmd_send(wl, CMD_STOP_FWLOGGER, cmd, sizeof(*cmd), 0); 15817b3115f2SLuciano Coelho if (ret < 0) { 15827b3115f2SLuciano Coelho wl1271_error("failed to send stop firmware logger command"); 15837b3115f2SLuciano Coelho goto out_free; 15847b3115f2SLuciano Coelho } 15857b3115f2SLuciano Coelho 15867b3115f2SLuciano Coelho out_free: 15877b3115f2SLuciano Coelho kfree(cmd); 15887b3115f2SLuciano Coelho 15897b3115f2SLuciano Coelho out: 15907b3115f2SLuciano Coelho return ret; 15917b3115f2SLuciano Coelho } 15927b3115f2SLuciano Coelho 15937b3115f2SLuciano Coelho static int wl12xx_cmd_roc(struct wl1271 *wl, struct wl12xx_vif *wlvif, 15947b3115f2SLuciano Coelho u8 role_id) 15957b3115f2SLuciano Coelho { 15967b3115f2SLuciano Coelho struct wl12xx_cmd_roc *cmd; 15977b3115f2SLuciano Coelho int ret = 0; 15987b3115f2SLuciano Coelho 15997b3115f2SLuciano Coelho wl1271_debug(DEBUG_CMD, "cmd roc %d (%d)", wlvif->channel, role_id); 16007b3115f2SLuciano Coelho 16017b3115f2SLuciano Coelho if (WARN_ON(role_id == WL12XX_INVALID_ROLE_ID)) 16027b3115f2SLuciano Coelho return -EINVAL; 16037b3115f2SLuciano Coelho 16047b3115f2SLuciano Coelho cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 16057b3115f2SLuciano Coelho if (!cmd) { 16067b3115f2SLuciano Coelho ret = -ENOMEM; 16077b3115f2SLuciano Coelho goto out; 16087b3115f2SLuciano Coelho } 16097b3115f2SLuciano Coelho 16107b3115f2SLuciano Coelho cmd->role_id = role_id; 16117b3115f2SLuciano Coelho cmd->channel = wlvif->channel; 16127b3115f2SLuciano Coelho switch (wlvif->band) { 16137b3115f2SLuciano Coelho case IEEE80211_BAND_2GHZ: 161400782136SLuciano Coelho cmd->band = WLCORE_BAND_2_4GHZ; 16157b3115f2SLuciano Coelho break; 16167b3115f2SLuciano Coelho case IEEE80211_BAND_5GHZ: 161700782136SLuciano Coelho cmd->band = WLCORE_BAND_5GHZ; 16187b3115f2SLuciano Coelho break; 16197b3115f2SLuciano Coelho default: 16207b3115f2SLuciano Coelho wl1271_error("roc - unknown band: %d", (int)wlvif->band); 16217b3115f2SLuciano Coelho ret = -EINVAL; 16227b3115f2SLuciano Coelho goto out_free; 16237b3115f2SLuciano Coelho } 16247b3115f2SLuciano Coelho 16257b3115f2SLuciano Coelho 16267b3115f2SLuciano Coelho ret = wl1271_cmd_send(wl, CMD_REMAIN_ON_CHANNEL, cmd, 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 static int wl12xx_cmd_croc(struct wl1271 *wl, u8 role_id) 16407b3115f2SLuciano Coelho { 16417b3115f2SLuciano Coelho struct wl12xx_cmd_croc *cmd; 16427b3115f2SLuciano Coelho int ret = 0; 16437b3115f2SLuciano Coelho 16447b3115f2SLuciano Coelho wl1271_debug(DEBUG_CMD, "cmd croc (%d)", role_id); 16457b3115f2SLuciano Coelho 16467b3115f2SLuciano Coelho cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 16477b3115f2SLuciano Coelho if (!cmd) { 16487b3115f2SLuciano Coelho ret = -ENOMEM; 16497b3115f2SLuciano Coelho goto out; 16507b3115f2SLuciano Coelho } 16517b3115f2SLuciano Coelho cmd->role_id = role_id; 16527b3115f2SLuciano Coelho 16537b3115f2SLuciano Coelho ret = wl1271_cmd_send(wl, CMD_CANCEL_REMAIN_ON_CHANNEL, cmd, 16547b3115f2SLuciano Coelho sizeof(*cmd), 0); 16557b3115f2SLuciano Coelho if (ret < 0) { 16567b3115f2SLuciano Coelho wl1271_error("failed to send ROC command"); 16577b3115f2SLuciano Coelho goto out_free; 16587b3115f2SLuciano Coelho } 16597b3115f2SLuciano Coelho 16607b3115f2SLuciano Coelho out_free: 16617b3115f2SLuciano Coelho kfree(cmd); 16627b3115f2SLuciano Coelho 16637b3115f2SLuciano Coelho out: 16647b3115f2SLuciano Coelho return ret; 16657b3115f2SLuciano Coelho } 16667b3115f2SLuciano Coelho 16677b3115f2SLuciano Coelho int wl12xx_roc(struct wl1271 *wl, struct wl12xx_vif *wlvif, u8 role_id) 16687b3115f2SLuciano Coelho { 16697b3115f2SLuciano Coelho int ret = 0; 1670a4203c64SVictor Goldenshtein bool is_first_roc; 16717b3115f2SLuciano Coelho 16727b3115f2SLuciano Coelho if (WARN_ON(test_bit(role_id, wl->roc_map))) 16737b3115f2SLuciano Coelho return 0; 16747b3115f2SLuciano Coelho 1675a4203c64SVictor Goldenshtein is_first_roc = (find_first_bit(wl->roc_map, WL12XX_MAX_ROLES) >= 1676a4203c64SVictor Goldenshtein WL12XX_MAX_ROLES); 1677a4203c64SVictor Goldenshtein 16787b3115f2SLuciano Coelho ret = wl12xx_cmd_roc(wl, wlvif, role_id); 16797b3115f2SLuciano Coelho if (ret < 0) 16807b3115f2SLuciano Coelho goto out; 16817b3115f2SLuciano Coelho 1682a4203c64SVictor Goldenshtein if (is_first_roc) { 16837b3115f2SLuciano Coelho ret = wl1271_cmd_wait_for_event(wl, 16847b3115f2SLuciano Coelho REMAIN_ON_CHANNEL_COMPLETE_EVENT_ID); 16857b3115f2SLuciano Coelho if (ret < 0) { 16867b3115f2SLuciano Coelho wl1271_error("cmd roc event completion error"); 16877b3115f2SLuciano Coelho goto out; 16887b3115f2SLuciano Coelho } 1689a4203c64SVictor Goldenshtein } 16907b3115f2SLuciano Coelho 16917b3115f2SLuciano Coelho __set_bit(role_id, wl->roc_map); 16927b3115f2SLuciano Coelho out: 16937b3115f2SLuciano Coelho return ret; 16947b3115f2SLuciano Coelho } 16957b3115f2SLuciano Coelho 16967b3115f2SLuciano Coelho int wl12xx_croc(struct wl1271 *wl, u8 role_id) 16977b3115f2SLuciano Coelho { 16987b3115f2SLuciano Coelho int ret = 0; 16997b3115f2SLuciano Coelho 17007b3115f2SLuciano Coelho if (WARN_ON(!test_bit(role_id, wl->roc_map))) 17017b3115f2SLuciano Coelho return 0; 17027b3115f2SLuciano Coelho 17037b3115f2SLuciano Coelho ret = wl12xx_cmd_croc(wl, role_id); 17047b3115f2SLuciano Coelho if (ret < 0) 17057b3115f2SLuciano Coelho goto out; 17067b3115f2SLuciano Coelho 17077b3115f2SLuciano Coelho __clear_bit(role_id, wl->roc_map); 17087b3115f2SLuciano Coelho 17097b3115f2SLuciano Coelho /* 17107b3115f2SLuciano Coelho * Rearm the tx watchdog when removing the last ROC. This prevents 17117b3115f2SLuciano Coelho * recoveries due to just finished ROCs - when Tx hasn't yet had 17127b3115f2SLuciano Coelho * a chance to get out. 17137b3115f2SLuciano Coelho */ 17147b3115f2SLuciano Coelho if (find_first_bit(wl->roc_map, WL12XX_MAX_ROLES) >= WL12XX_MAX_ROLES) 17157b3115f2SLuciano Coelho wl12xx_rearm_tx_watchdog_locked(wl); 17167b3115f2SLuciano Coelho out: 17177b3115f2SLuciano Coelho return ret; 17187b3115f2SLuciano Coelho } 17197b3115f2SLuciano Coelho 17207b3115f2SLuciano Coelho int wl12xx_cmd_channel_switch(struct wl1271 *wl, 17217b3115f2SLuciano Coelho struct wl12xx_vif *wlvif, 17227b3115f2SLuciano Coelho struct ieee80211_channel_switch *ch_switch) 17237b3115f2SLuciano Coelho { 17247b3115f2SLuciano Coelho struct wl12xx_cmd_channel_switch *cmd; 17257b3115f2SLuciano Coelho int ret; 17267b3115f2SLuciano Coelho 17277b3115f2SLuciano Coelho wl1271_debug(DEBUG_ACX, "cmd channel switch"); 17287b3115f2SLuciano Coelho 17297b3115f2SLuciano Coelho cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 17307b3115f2SLuciano Coelho if (!cmd) { 17317b3115f2SLuciano Coelho ret = -ENOMEM; 17327b3115f2SLuciano Coelho goto out; 17337b3115f2SLuciano Coelho } 17347b3115f2SLuciano Coelho 17357b3115f2SLuciano Coelho cmd->role_id = wlvif->role_id; 17367b3115f2SLuciano Coelho cmd->channel = ch_switch->channel->hw_value; 17377b3115f2SLuciano Coelho cmd->switch_time = ch_switch->count; 17387b3115f2SLuciano Coelho cmd->stop_tx = ch_switch->block_tx; 17397b3115f2SLuciano Coelho 17407b3115f2SLuciano Coelho /* FIXME: control from mac80211 in the future */ 17417b3115f2SLuciano Coelho cmd->post_switch_tx_disable = 0; /* Enable TX on the target channel */ 17427b3115f2SLuciano Coelho 17437b3115f2SLuciano Coelho ret = wl1271_cmd_send(wl, CMD_CHANNEL_SWITCH, cmd, sizeof(*cmd), 0); 17447b3115f2SLuciano Coelho if (ret < 0) { 17457b3115f2SLuciano Coelho wl1271_error("failed to send channel switch command"); 17467b3115f2SLuciano Coelho goto out_free; 17477b3115f2SLuciano Coelho } 17487b3115f2SLuciano Coelho 17497b3115f2SLuciano Coelho out_free: 17507b3115f2SLuciano Coelho kfree(cmd); 17517b3115f2SLuciano Coelho 17527b3115f2SLuciano Coelho out: 17537b3115f2SLuciano Coelho return ret; 17547b3115f2SLuciano Coelho } 17557b3115f2SLuciano Coelho 17567b3115f2SLuciano Coelho int wl12xx_cmd_stop_channel_switch(struct wl1271 *wl) 17577b3115f2SLuciano Coelho { 17587b3115f2SLuciano Coelho struct wl12xx_cmd_stop_channel_switch *cmd; 17597b3115f2SLuciano Coelho int ret; 17607b3115f2SLuciano Coelho 17617b3115f2SLuciano Coelho wl1271_debug(DEBUG_ACX, "cmd stop channel switch"); 17627b3115f2SLuciano Coelho 17637b3115f2SLuciano Coelho cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 17647b3115f2SLuciano Coelho if (!cmd) { 17657b3115f2SLuciano Coelho ret = -ENOMEM; 17667b3115f2SLuciano Coelho goto out; 17677b3115f2SLuciano Coelho } 17687b3115f2SLuciano Coelho 17697b3115f2SLuciano Coelho ret = wl1271_cmd_send(wl, CMD_STOP_CHANNEL_SWICTH, cmd, sizeof(*cmd), 0); 17707b3115f2SLuciano Coelho if (ret < 0) { 17717b3115f2SLuciano Coelho wl1271_error("failed to stop channel switch command"); 17727b3115f2SLuciano Coelho goto out_free; 17737b3115f2SLuciano Coelho } 17747b3115f2SLuciano Coelho 17757b3115f2SLuciano Coelho out_free: 17767b3115f2SLuciano Coelho kfree(cmd); 17777b3115f2SLuciano Coelho 17787b3115f2SLuciano Coelho out: 17797b3115f2SLuciano Coelho return ret; 17807b3115f2SLuciano Coelho } 17817b3115f2SLuciano Coelho 17827b3115f2SLuciano Coelho /* start dev role and roc on its channel */ 17837b3115f2SLuciano Coelho int wl12xx_start_dev(struct wl1271 *wl, struct wl12xx_vif *wlvif) 17847b3115f2SLuciano Coelho { 17857b3115f2SLuciano Coelho int ret; 17867b3115f2SLuciano Coelho 17877b3115f2SLuciano Coelho if (WARN_ON(!(wlvif->bss_type == BSS_TYPE_STA_BSS || 17887b3115f2SLuciano Coelho wlvif->bss_type == BSS_TYPE_IBSS))) 17897b3115f2SLuciano Coelho return -EINVAL; 17907b3115f2SLuciano Coelho 1791889300faSEliad Peller ret = wl12xx_cmd_role_enable(wl, 1792889300faSEliad Peller wl12xx_wlvif_to_vif(wlvif)->addr, 1793889300faSEliad Peller WL1271_ROLE_DEVICE, 1794889300faSEliad Peller &wlvif->dev_role_id); 17957b3115f2SLuciano Coelho if (ret < 0) 17967b3115f2SLuciano Coelho goto out; 17977b3115f2SLuciano Coelho 1798889300faSEliad Peller ret = wl12xx_cmd_role_start_dev(wl, wlvif); 1799889300faSEliad Peller if (ret < 0) 1800889300faSEliad Peller goto out_disable; 1801889300faSEliad Peller 18027b3115f2SLuciano Coelho ret = wl12xx_roc(wl, wlvif, wlvif->dev_role_id); 18037b3115f2SLuciano Coelho if (ret < 0) 18047b3115f2SLuciano Coelho goto out_stop; 18057b3115f2SLuciano Coelho 18067b3115f2SLuciano Coelho return 0; 18077b3115f2SLuciano Coelho 18087b3115f2SLuciano Coelho out_stop: 18097b3115f2SLuciano Coelho wl12xx_cmd_role_stop_dev(wl, wlvif); 1810889300faSEliad Peller out_disable: 1811889300faSEliad Peller wl12xx_cmd_role_disable(wl, &wlvif->dev_role_id); 18127b3115f2SLuciano Coelho out: 18137b3115f2SLuciano Coelho return ret; 18147b3115f2SLuciano Coelho } 18157b3115f2SLuciano Coelho 18167b3115f2SLuciano Coelho /* croc dev hlid, and stop the role */ 18177b3115f2SLuciano Coelho int wl12xx_stop_dev(struct wl1271 *wl, struct wl12xx_vif *wlvif) 18187b3115f2SLuciano Coelho { 18197b3115f2SLuciano Coelho int ret; 18207b3115f2SLuciano Coelho 18217b3115f2SLuciano Coelho if (WARN_ON(!(wlvif->bss_type == BSS_TYPE_STA_BSS || 18227b3115f2SLuciano Coelho wlvif->bss_type == BSS_TYPE_IBSS))) 18237b3115f2SLuciano Coelho return -EINVAL; 18247b3115f2SLuciano Coelho 18257b3115f2SLuciano Coelho /* flush all pending packets */ 1826eb96f841SIdo Yariv ret = wlcore_tx_work_locked(wl); 1827eb96f841SIdo Yariv if (ret < 0) 1828eb96f841SIdo Yariv goto out; 18297b3115f2SLuciano Coelho 18307b3115f2SLuciano Coelho if (test_bit(wlvif->dev_role_id, wl->roc_map)) { 18317b3115f2SLuciano Coelho ret = wl12xx_croc(wl, wlvif->dev_role_id); 18327b3115f2SLuciano Coelho if (ret < 0) 18337b3115f2SLuciano Coelho goto out; 18347b3115f2SLuciano Coelho } 18357b3115f2SLuciano Coelho 18367b3115f2SLuciano Coelho ret = wl12xx_cmd_role_stop_dev(wl, wlvif); 18377b3115f2SLuciano Coelho if (ret < 0) 18387b3115f2SLuciano Coelho goto out; 1839889300faSEliad Peller 1840889300faSEliad Peller ret = wl12xx_cmd_role_disable(wl, &wlvif->dev_role_id); 1841889300faSEliad Peller if (ret < 0) 1842889300faSEliad Peller goto out; 1843889300faSEliad Peller 18447b3115f2SLuciano Coelho out: 18457b3115f2SLuciano Coelho return ret; 18467b3115f2SLuciano Coelho } 1847