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 51ea508435SEliad Peller * return the cmd status code on success. 527b3115f2SLuciano Coelho */ 53ea508435SEliad Peller static int __wlcore_cmd_send(struct wl1271 *wl, u16 id, void *buf, 54ea508435SEliad Peller size_t len, size_t res_len) 557b3115f2SLuciano Coelho { 567b3115f2SLuciano Coelho struct wl1271_cmd_header *cmd; 577b3115f2SLuciano Coelho unsigned long timeout; 587b3115f2SLuciano Coelho u32 intr; 59ea508435SEliad Peller int ret; 607b3115f2SLuciano Coelho u16 status; 617b3115f2SLuciano Coelho u16 poll_count = 0; 627b3115f2SLuciano Coelho 634cc53383SIdo Yariv if (WARN_ON(unlikely(wl->state == WLCORE_STATE_RESTARTING))) 644cc53383SIdo Yariv return -EIO; 654cc53383SIdo Yariv 667b3115f2SLuciano Coelho cmd = buf; 677b3115f2SLuciano Coelho cmd->id = cpu_to_le16(id); 687b3115f2SLuciano Coelho cmd->status = 0; 697b3115f2SLuciano Coelho 707b3115f2SLuciano Coelho WARN_ON(len % 4 != 0); 717b3115f2SLuciano Coelho WARN_ON(test_bit(WL1271_FLAG_IN_ELP, &wl->flags)); 727b3115f2SLuciano Coelho 73eb96f841SIdo Yariv ret = wlcore_write(wl, wl->cmd_box_addr, buf, len, false); 74eb96f841SIdo Yariv if (ret < 0) 75ea508435SEliad Peller return ret; 767b3115f2SLuciano Coelho 77f16ff758SLuciano Coelho /* 78f16ff758SLuciano Coelho * TODO: we just need this because one bit is in a different 79f16ff758SLuciano Coelho * place. Is there any better way? 80f16ff758SLuciano Coelho */ 81eb96f841SIdo Yariv ret = wl->ops->trigger_cmd(wl, wl->cmd_box_addr, buf, len); 82eb96f841SIdo Yariv if (ret < 0) 83ea508435SEliad Peller return ret; 847b3115f2SLuciano Coelho 857b3115f2SLuciano Coelho timeout = jiffies + msecs_to_jiffies(WL1271_COMMAND_TIMEOUT); 867b3115f2SLuciano Coelho 876134323fSIdo Yariv ret = wlcore_read_reg(wl, REG_INTERRUPT_NO_CLEAR, &intr); 886134323fSIdo Yariv if (ret < 0) 89ea508435SEliad Peller return ret; 906134323fSIdo Yariv 917b3115f2SLuciano Coelho while (!(intr & WL1271_ACX_INTR_CMD_COMPLETE)) { 927b3115f2SLuciano Coelho if (time_after(jiffies, timeout)) { 937b3115f2SLuciano Coelho wl1271_error("command complete timeout"); 94ea508435SEliad Peller return -ETIMEDOUT; 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) 105ea508435SEliad Peller return ret; 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) 114ea508435SEliad Peller return ret; 1157b3115f2SLuciano Coelho 1167b3115f2SLuciano Coelho status = le16_to_cpu(cmd->status); 1177b3115f2SLuciano Coelho 118b0f0ad39SIdo Yariv ret = wlcore_write_reg(wl, REG_INTERRUPT_ACK, 119b0f0ad39SIdo Yariv WL1271_ACX_INTR_CMD_COMPLETE); 120b0f0ad39SIdo Yariv if (ret < 0) 121ea508435SEliad Peller return ret; 122ea508435SEliad Peller 123ea508435SEliad Peller return status; 124ea508435SEliad Peller } 125ea508435SEliad Peller 126ea508435SEliad Peller /* 127ea508435SEliad Peller * send command to fw and return cmd status on success 128ea508435SEliad Peller * valid_rets contains a bitmap of allowed error codes 129ea508435SEliad Peller */ 130ea508435SEliad Peller int wlcore_cmd_send_failsafe(struct wl1271 *wl, u16 id, void *buf, size_t len, 131ea508435SEliad Peller size_t res_len, unsigned long valid_rets) 132ea508435SEliad Peller { 133ea508435SEliad Peller int ret = __wlcore_cmd_send(wl, id, buf, len, res_len); 134ea508435SEliad Peller 135ea508435SEliad Peller if (ret < 0) 136b0f0ad39SIdo Yariv goto fail; 137b0f0ad39SIdo Yariv 138ea508435SEliad Peller /* success is always a valid status */ 139ea508435SEliad Peller valid_rets |= BIT(CMD_STATUS_SUCCESS); 1407b3115f2SLuciano Coelho 141ea508435SEliad Peller if (ret >= MAX_COMMAND_STATUS || 142ea508435SEliad Peller !test_bit(ret, &valid_rets)) { 143ea508435SEliad Peller wl1271_error("command execute failure %d", ret); 144ea508435SEliad Peller ret = -EIO; 145ea508435SEliad Peller goto fail; 146ea508435SEliad Peller } 147ea508435SEliad Peller return ret; 1487b3115f2SLuciano Coelho fail: 1497b3115f2SLuciano Coelho wl12xx_queue_recovery_work(wl); 1507b3115f2SLuciano Coelho return ret; 1517b3115f2SLuciano Coelho } 15278e28062SEliad Peller EXPORT_SYMBOL_GPL(wl1271_cmd_send); 1537b3115f2SLuciano Coelho 1547b3115f2SLuciano Coelho /* 155ea508435SEliad Peller * wrapper for wlcore_cmd_send that accept only CMD_STATUS_SUCCESS 156ea508435SEliad Peller * return 0 on success. 157ea508435SEliad Peller */ 158ea508435SEliad Peller int wl1271_cmd_send(struct wl1271 *wl, u16 id, void *buf, size_t len, 159ea508435SEliad Peller size_t res_len) 160ea508435SEliad Peller { 161ea508435SEliad Peller int ret = wlcore_cmd_send_failsafe(wl, id, buf, len, res_len, 0); 162ea508435SEliad Peller 163ea508435SEliad Peller if (ret < 0) 164ea508435SEliad Peller return ret; 165ea508435SEliad Peller return 0; 166ea508435SEliad Peller } 167ea508435SEliad Peller 168ea508435SEliad Peller /* 1697b3115f2SLuciano Coelho * Poll the mailbox event field until any of the bits in the mask is set or a 1707b3115f2SLuciano Coelho * timeout occurs (WL1271_EVENT_TIMEOUT in msecs) 1717b3115f2SLuciano Coelho */ 172c50a2825SEliad Peller int wlcore_cmd_wait_for_event_or_timeout(struct wl1271 *wl, 1736c15c1aaSEyal Shapira u32 mask, bool *timeout) 1747b3115f2SLuciano Coelho { 1757b3115f2SLuciano Coelho u32 *events_vector; 1767b3115f2SLuciano Coelho u32 event; 1776c15c1aaSEyal Shapira unsigned long timeout_time; 178c45ee4ffSYoni Divinsky u16 poll_count = 0; 1797b3115f2SLuciano Coelho int ret = 0; 1807b3115f2SLuciano Coelho 1816c15c1aaSEyal Shapira *timeout = false; 1826c15c1aaSEyal Shapira 1830230dfeaSDan Carpenter events_vector = kmalloc(sizeof(*events_vector), GFP_KERNEL | GFP_DMA); 1840230dfeaSDan Carpenter if (!events_vector) 1850230dfeaSDan Carpenter return -ENOMEM; 1867b3115f2SLuciano Coelho 1876c15c1aaSEyal Shapira timeout_time = jiffies + msecs_to_jiffies(WL1271_EVENT_TIMEOUT); 1887b3115f2SLuciano Coelho 1897b3115f2SLuciano Coelho do { 1906c15c1aaSEyal Shapira if (time_after(jiffies, timeout_time)) { 1917b3115f2SLuciano Coelho wl1271_debug(DEBUG_CMD, "timeout waiting for event %d", 1927b3115f2SLuciano Coelho (int)mask); 1936c15c1aaSEyal Shapira *timeout = true; 1947b3115f2SLuciano Coelho goto out; 1957b3115f2SLuciano Coelho } 1967b3115f2SLuciano Coelho 197c45ee4ffSYoni Divinsky poll_count++; 198c45ee4ffSYoni Divinsky if (poll_count < WL1271_WAIT_EVENT_FAST_POLL_COUNT) 199c45ee4ffSYoni Divinsky usleep_range(50, 51); 200c45ee4ffSYoni Divinsky else 201c45ee4ffSYoni Divinsky usleep_range(1000, 5000); 2027b3115f2SLuciano Coelho 2037b3115f2SLuciano Coelho /* read from both event fields */ 204045b9b5fSIdo Yariv ret = wlcore_read(wl, wl->mbox_ptr[0], events_vector, 2057b3115f2SLuciano Coelho sizeof(*events_vector), false); 206045b9b5fSIdo Yariv if (ret < 0) 207045b9b5fSIdo Yariv goto out; 208045b9b5fSIdo Yariv 2097b3115f2SLuciano Coelho event = *events_vector & mask; 210045b9b5fSIdo Yariv 211045b9b5fSIdo Yariv ret = wlcore_read(wl, wl->mbox_ptr[1], events_vector, 2127b3115f2SLuciano Coelho sizeof(*events_vector), false); 213045b9b5fSIdo Yariv if (ret < 0) 214045b9b5fSIdo Yariv goto out; 215045b9b5fSIdo Yariv 2167b3115f2SLuciano Coelho event |= *events_vector & mask; 2177b3115f2SLuciano Coelho } while (!event); 2187b3115f2SLuciano Coelho 2197b3115f2SLuciano Coelho out: 2207b3115f2SLuciano Coelho kfree(events_vector); 2217b3115f2SLuciano Coelho return ret; 2227b3115f2SLuciano Coelho } 223c50a2825SEliad Peller EXPORT_SYMBOL_GPL(wlcore_cmd_wait_for_event_or_timeout); 2247b3115f2SLuciano Coelho 2257b3115f2SLuciano Coelho int wl12xx_cmd_role_enable(struct wl1271 *wl, u8 *addr, u8 role_type, 2267b3115f2SLuciano Coelho u8 *role_id) 2277b3115f2SLuciano Coelho { 2287b3115f2SLuciano Coelho struct wl12xx_cmd_role_enable *cmd; 2297b3115f2SLuciano Coelho int ret; 2307b3115f2SLuciano Coelho 2317b3115f2SLuciano Coelho wl1271_debug(DEBUG_CMD, "cmd role enable"); 2327b3115f2SLuciano Coelho 2337b3115f2SLuciano Coelho if (WARN_ON(*role_id != WL12XX_INVALID_ROLE_ID)) 2347b3115f2SLuciano Coelho return -EBUSY; 2357b3115f2SLuciano Coelho 2367b3115f2SLuciano Coelho cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 2377b3115f2SLuciano Coelho if (!cmd) { 2387b3115f2SLuciano Coelho ret = -ENOMEM; 2397b3115f2SLuciano Coelho goto out; 2407b3115f2SLuciano Coelho } 2417b3115f2SLuciano Coelho 2427b3115f2SLuciano Coelho /* get role id */ 2437b3115f2SLuciano Coelho cmd->role_id = find_first_zero_bit(wl->roles_map, WL12XX_MAX_ROLES); 2447b3115f2SLuciano Coelho if (cmd->role_id >= WL12XX_MAX_ROLES) { 2457b3115f2SLuciano Coelho ret = -EBUSY; 2467b3115f2SLuciano Coelho goto out_free; 2477b3115f2SLuciano Coelho } 2487b3115f2SLuciano Coelho 2497b3115f2SLuciano Coelho memcpy(cmd->mac_address, addr, ETH_ALEN); 2507b3115f2SLuciano Coelho cmd->role_type = role_type; 2517b3115f2SLuciano Coelho 2527b3115f2SLuciano Coelho ret = wl1271_cmd_send(wl, CMD_ROLE_ENABLE, cmd, sizeof(*cmd), 0); 2537b3115f2SLuciano Coelho if (ret < 0) { 2547b3115f2SLuciano Coelho wl1271_error("failed to initiate cmd role enable"); 2557b3115f2SLuciano Coelho goto out_free; 2567b3115f2SLuciano Coelho } 2577b3115f2SLuciano Coelho 2587b3115f2SLuciano Coelho __set_bit(cmd->role_id, wl->roles_map); 2597b3115f2SLuciano Coelho *role_id = cmd->role_id; 2607b3115f2SLuciano Coelho 2617b3115f2SLuciano Coelho out_free: 2627b3115f2SLuciano Coelho kfree(cmd); 2637b3115f2SLuciano Coelho 2647b3115f2SLuciano Coelho out: 2657b3115f2SLuciano Coelho return ret; 2667b3115f2SLuciano Coelho } 2677b3115f2SLuciano Coelho 2687b3115f2SLuciano Coelho int wl12xx_cmd_role_disable(struct wl1271 *wl, u8 *role_id) 2697b3115f2SLuciano Coelho { 2707b3115f2SLuciano Coelho struct wl12xx_cmd_role_disable *cmd; 2717b3115f2SLuciano Coelho int ret; 2727b3115f2SLuciano Coelho 2737b3115f2SLuciano Coelho wl1271_debug(DEBUG_CMD, "cmd role disable"); 2747b3115f2SLuciano Coelho 2757b3115f2SLuciano Coelho if (WARN_ON(*role_id == WL12XX_INVALID_ROLE_ID)) 2767b3115f2SLuciano Coelho return -ENOENT; 2777b3115f2SLuciano Coelho 2787b3115f2SLuciano Coelho cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 2797b3115f2SLuciano Coelho if (!cmd) { 2807b3115f2SLuciano Coelho ret = -ENOMEM; 2817b3115f2SLuciano Coelho goto out; 2827b3115f2SLuciano Coelho } 2837b3115f2SLuciano Coelho cmd->role_id = *role_id; 2847b3115f2SLuciano Coelho 2857b3115f2SLuciano Coelho ret = wl1271_cmd_send(wl, CMD_ROLE_DISABLE, cmd, sizeof(*cmd), 0); 2867b3115f2SLuciano Coelho if (ret < 0) { 2877b3115f2SLuciano Coelho wl1271_error("failed to initiate cmd role disable"); 2887b3115f2SLuciano Coelho goto out_free; 2897b3115f2SLuciano Coelho } 2907b3115f2SLuciano Coelho 2917b3115f2SLuciano Coelho __clear_bit(*role_id, wl->roles_map); 2927b3115f2SLuciano Coelho *role_id = WL12XX_INVALID_ROLE_ID; 2937b3115f2SLuciano Coelho 2947b3115f2SLuciano Coelho out_free: 2957b3115f2SLuciano Coelho kfree(cmd); 2967b3115f2SLuciano Coelho 2977b3115f2SLuciano Coelho out: 2987b3115f2SLuciano Coelho return ret; 2997b3115f2SLuciano Coelho } 3007b3115f2SLuciano Coelho 301978cd3a0SEliad Peller static int wlcore_get_new_session_id(struct wl1271 *wl, u8 hlid) 302978cd3a0SEliad Peller { 303978cd3a0SEliad Peller if (wl->session_ids[hlid] >= SESSION_COUNTER_MAX) 304978cd3a0SEliad Peller wl->session_ids[hlid] = 0; 305978cd3a0SEliad Peller 306978cd3a0SEliad Peller wl->session_ids[hlid]++; 307978cd3a0SEliad Peller 308978cd3a0SEliad Peller return wl->session_ids[hlid]; 309978cd3a0SEliad Peller } 310978cd3a0SEliad Peller 3117b3115f2SLuciano Coelho int wl12xx_allocate_link(struct wl1271 *wl, struct wl12xx_vif *wlvif, u8 *hlid) 3127b3115f2SLuciano Coelho { 3137b3115f2SLuciano Coelho unsigned long flags; 3147b3115f2SLuciano Coelho u8 link = find_first_zero_bit(wl->links_map, WL12XX_MAX_LINKS); 3157b3115f2SLuciano Coelho if (link >= WL12XX_MAX_LINKS) 3167b3115f2SLuciano Coelho return -EBUSY; 3177b3115f2SLuciano Coelho 318978cd3a0SEliad Peller wl->session_ids[link] = wlcore_get_new_session_id(wl, link); 319978cd3a0SEliad Peller 3207b3115f2SLuciano Coelho /* these bits are used by op_tx */ 3217b3115f2SLuciano Coelho spin_lock_irqsave(&wl->wl_lock, flags); 3227b3115f2SLuciano Coelho __set_bit(link, wl->links_map); 3237b3115f2SLuciano Coelho __set_bit(link, wlvif->links_map); 3247b3115f2SLuciano Coelho spin_unlock_irqrestore(&wl->wl_lock, flags); 3257b3115f2SLuciano Coelho *hlid = link; 3267b3115f2SLuciano Coelho return 0; 3277b3115f2SLuciano Coelho } 3287b3115f2SLuciano Coelho 3297b3115f2SLuciano Coelho void wl12xx_free_link(struct wl1271 *wl, struct wl12xx_vif *wlvif, u8 *hlid) 3307b3115f2SLuciano Coelho { 3317b3115f2SLuciano Coelho unsigned long flags; 3327b3115f2SLuciano Coelho 3337b3115f2SLuciano Coelho if (*hlid == WL12XX_INVALID_LINK_ID) 3347b3115f2SLuciano Coelho return; 3357b3115f2SLuciano Coelho 3367b3115f2SLuciano Coelho /* these bits are used by op_tx */ 3377b3115f2SLuciano Coelho spin_lock_irqsave(&wl->wl_lock, flags); 3387b3115f2SLuciano Coelho __clear_bit(*hlid, wl->links_map); 3397b3115f2SLuciano Coelho __clear_bit(*hlid, wlvif->links_map); 3407b3115f2SLuciano Coelho spin_unlock_irqrestore(&wl->wl_lock, flags); 3417b3115f2SLuciano Coelho 3426c4c4534SArik Nemtsov wl->links[*hlid].allocated_pkts = 0; 3436c4c4534SArik Nemtsov wl->links[*hlid].prev_freed_pkts = 0; 3446c4c4534SArik Nemtsov wl->links[*hlid].ba_bitmap = 0; 3456c4c4534SArik Nemtsov memset(wl->links[*hlid].addr, 0, ETH_ALEN); 3466c4c4534SArik Nemtsov 3477b3115f2SLuciano Coelho /* 3487b3115f2SLuciano Coelho * At this point op_tx() will not add more packets to the queues. We 3497b3115f2SLuciano Coelho * can purge them. 3507b3115f2SLuciano Coelho */ 3517b3115f2SLuciano Coelho wl1271_tx_reset_link_queues(wl, *hlid); 3527b3115f2SLuciano Coelho 3537b3115f2SLuciano Coelho *hlid = WL12XX_INVALID_LINK_ID; 3547b3115f2SLuciano Coelho } 3557b3115f2SLuciano Coelho 356a6298dbeSArik Nemtsov static u8 wlcore_get_native_channel_type(u8 nl_channel_type) 357a6298dbeSArik Nemtsov { 358a6298dbeSArik Nemtsov switch (nl_channel_type) { 359a6298dbeSArik Nemtsov case NL80211_CHAN_NO_HT: 360a6298dbeSArik Nemtsov return WLCORE_CHAN_NO_HT; 361a6298dbeSArik Nemtsov case NL80211_CHAN_HT20: 362a6298dbeSArik Nemtsov return WLCORE_CHAN_HT20; 363a6298dbeSArik Nemtsov case NL80211_CHAN_HT40MINUS: 364a6298dbeSArik Nemtsov return WLCORE_CHAN_HT40MINUS; 365a6298dbeSArik Nemtsov case NL80211_CHAN_HT40PLUS: 366a6298dbeSArik Nemtsov return WLCORE_CHAN_HT40PLUS; 367a6298dbeSArik Nemtsov default: 368a6298dbeSArik Nemtsov WARN_ON(1); 369a6298dbeSArik Nemtsov return WLCORE_CHAN_NO_HT; 370a6298dbeSArik Nemtsov } 371a6298dbeSArik Nemtsov } 372a6298dbeSArik Nemtsov 3737b3115f2SLuciano Coelho static int wl12xx_cmd_role_start_dev(struct wl1271 *wl, 374dabf37dbSEliad Peller struct wl12xx_vif *wlvif, 375dabf37dbSEliad Peller enum ieee80211_band band, 376dabf37dbSEliad Peller int channel) 3777b3115f2SLuciano Coelho { 3787b3115f2SLuciano Coelho struct wl12xx_cmd_role_start *cmd; 3797b3115f2SLuciano Coelho int ret; 3807b3115f2SLuciano Coelho 3817b3115f2SLuciano Coelho cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 3827b3115f2SLuciano Coelho if (!cmd) { 3837b3115f2SLuciano Coelho ret = -ENOMEM; 3847b3115f2SLuciano Coelho goto out; 3857b3115f2SLuciano Coelho } 3867b3115f2SLuciano Coelho 3877b3115f2SLuciano Coelho wl1271_debug(DEBUG_CMD, "cmd role start dev %d", wlvif->dev_role_id); 3887b3115f2SLuciano Coelho 3897b3115f2SLuciano Coelho cmd->role_id = wlvif->dev_role_id; 390dabf37dbSEliad Peller if (band == IEEE80211_BAND_5GHZ) 39100782136SLuciano Coelho cmd->band = WLCORE_BAND_5GHZ; 392dabf37dbSEliad Peller cmd->channel = channel; 3937b3115f2SLuciano Coelho 3947b3115f2SLuciano Coelho if (wlvif->dev_hlid == WL12XX_INVALID_LINK_ID) { 3957b3115f2SLuciano Coelho ret = wl12xx_allocate_link(wl, wlvif, &wlvif->dev_hlid); 3967b3115f2SLuciano Coelho if (ret) 3977b3115f2SLuciano Coelho goto out_free; 3987b3115f2SLuciano Coelho } 3997b3115f2SLuciano Coelho cmd->device.hlid = wlvif->dev_hlid; 400978cd3a0SEliad Peller cmd->device.session = wl->session_ids[wlvif->dev_hlid]; 4017b3115f2SLuciano Coelho 4027b3115f2SLuciano Coelho wl1271_debug(DEBUG_CMD, "role start: roleid=%d, hlid=%d, session=%d", 4037b3115f2SLuciano Coelho cmd->role_id, cmd->device.hlid, cmd->device.session); 4047b3115f2SLuciano Coelho 4057b3115f2SLuciano Coelho ret = wl1271_cmd_send(wl, CMD_ROLE_START, cmd, sizeof(*cmd), 0); 4067b3115f2SLuciano Coelho if (ret < 0) { 4077b3115f2SLuciano Coelho wl1271_error("failed to initiate cmd role enable"); 4087b3115f2SLuciano Coelho goto err_hlid; 4097b3115f2SLuciano Coelho } 4107b3115f2SLuciano Coelho 4117b3115f2SLuciano Coelho goto out_free; 4127b3115f2SLuciano Coelho 4137b3115f2SLuciano Coelho err_hlid: 4147b3115f2SLuciano Coelho /* clear links on error */ 4157b3115f2SLuciano Coelho wl12xx_free_link(wl, wlvif, &wlvif->dev_hlid); 4167b3115f2SLuciano Coelho 4177b3115f2SLuciano Coelho out_free: 4187b3115f2SLuciano Coelho kfree(cmd); 4197b3115f2SLuciano Coelho 4207b3115f2SLuciano Coelho out: 4217b3115f2SLuciano Coelho return ret; 4227b3115f2SLuciano Coelho } 4237b3115f2SLuciano Coelho 4247b3115f2SLuciano Coelho static int wl12xx_cmd_role_stop_dev(struct wl1271 *wl, 4257b3115f2SLuciano Coelho struct wl12xx_vif *wlvif) 4267b3115f2SLuciano Coelho { 4277b3115f2SLuciano Coelho struct wl12xx_cmd_role_stop *cmd; 4287b3115f2SLuciano Coelho int ret; 4297b3115f2SLuciano Coelho 4307b3115f2SLuciano Coelho if (WARN_ON(wlvif->dev_hlid == WL12XX_INVALID_LINK_ID)) 4317b3115f2SLuciano Coelho return -EINVAL; 4327b3115f2SLuciano Coelho 4337b3115f2SLuciano Coelho cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 4347b3115f2SLuciano Coelho if (!cmd) { 4357b3115f2SLuciano Coelho ret = -ENOMEM; 4367b3115f2SLuciano Coelho goto out; 4377b3115f2SLuciano Coelho } 4387b3115f2SLuciano Coelho 4397b3115f2SLuciano Coelho wl1271_debug(DEBUG_CMD, "cmd role stop dev"); 4407b3115f2SLuciano Coelho 4417b3115f2SLuciano Coelho cmd->role_id = wlvif->dev_role_id; 4427b3115f2SLuciano Coelho cmd->disc_type = DISCONNECT_IMMEDIATE; 4437b3115f2SLuciano Coelho cmd->reason = cpu_to_le16(WLAN_REASON_UNSPECIFIED); 4447b3115f2SLuciano Coelho 4457b3115f2SLuciano Coelho ret = wl1271_cmd_send(wl, CMD_ROLE_STOP, cmd, sizeof(*cmd), 0); 4467b3115f2SLuciano Coelho if (ret < 0) { 4477b3115f2SLuciano Coelho wl1271_error("failed to initiate cmd role stop"); 4487b3115f2SLuciano Coelho goto out_free; 4497b3115f2SLuciano Coelho } 4507b3115f2SLuciano Coelho 4517b3115f2SLuciano Coelho wl12xx_free_link(wl, wlvif, &wlvif->dev_hlid); 4527b3115f2SLuciano Coelho 4537b3115f2SLuciano Coelho out_free: 4547b3115f2SLuciano Coelho kfree(cmd); 4557b3115f2SLuciano Coelho 4567b3115f2SLuciano Coelho out: 4577b3115f2SLuciano Coelho return ret; 4587b3115f2SLuciano Coelho } 4597b3115f2SLuciano Coelho 4607b3115f2SLuciano Coelho int wl12xx_cmd_role_start_sta(struct wl1271 *wl, struct wl12xx_vif *wlvif) 4617b3115f2SLuciano Coelho { 4627b3115f2SLuciano Coelho struct ieee80211_vif *vif = wl12xx_wlvif_to_vif(wlvif); 4637b3115f2SLuciano Coelho struct wl12xx_cmd_role_start *cmd; 46442ec1f82SEliad Peller u32 supported_rates; 4657b3115f2SLuciano Coelho int ret; 4667b3115f2SLuciano Coelho 4677b3115f2SLuciano Coelho cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 4687b3115f2SLuciano Coelho if (!cmd) { 4697b3115f2SLuciano Coelho ret = -ENOMEM; 4707b3115f2SLuciano Coelho goto out; 4717b3115f2SLuciano Coelho } 4727b3115f2SLuciano Coelho 4737b3115f2SLuciano Coelho wl1271_debug(DEBUG_CMD, "cmd role start sta %d", wlvif->role_id); 4747b3115f2SLuciano Coelho 4757b3115f2SLuciano Coelho cmd->role_id = wlvif->role_id; 4767b3115f2SLuciano Coelho if (wlvif->band == IEEE80211_BAND_5GHZ) 47700782136SLuciano Coelho cmd->band = WLCORE_BAND_5GHZ; 4787b3115f2SLuciano Coelho cmd->channel = wlvif->channel; 4797b3115f2SLuciano Coelho cmd->sta.basic_rate_set = cpu_to_le32(wlvif->basic_rate_set); 4807b3115f2SLuciano Coelho cmd->sta.beacon_interval = cpu_to_le16(wlvif->beacon_int); 4817b3115f2SLuciano Coelho cmd->sta.ssid_type = WL12XX_SSID_TYPE_ANY; 4827b3115f2SLuciano Coelho cmd->sta.ssid_len = wlvif->ssid_len; 4837b3115f2SLuciano Coelho memcpy(cmd->sta.ssid, wlvif->ssid, wlvif->ssid_len); 4847b3115f2SLuciano Coelho memcpy(cmd->sta.bssid, vif->bss_conf.bssid, ETH_ALEN); 48542ec1f82SEliad Peller 48642ec1f82SEliad Peller supported_rates = CONF_TX_ENABLED_RATES | CONF_TX_MCS_RATES | 48742ec1f82SEliad Peller wlcore_hw_sta_get_ap_rate_mask(wl, wlvif); 48842ec1f82SEliad Peller if (wlvif->p2p) 48942ec1f82SEliad Peller supported_rates &= ~CONF_TX_CCK_RATES; 49042ec1f82SEliad Peller 49142ec1f82SEliad Peller cmd->sta.local_rates = cpu_to_le32(supported_rates); 49242ec1f82SEliad Peller 493a6298dbeSArik Nemtsov cmd->channel_type = wlcore_get_native_channel_type(wlvif->channel_type); 4947b3115f2SLuciano Coelho 4957b3115f2SLuciano Coelho if (wlvif->sta.hlid == WL12XX_INVALID_LINK_ID) { 4967b3115f2SLuciano Coelho ret = wl12xx_allocate_link(wl, wlvif, &wlvif->sta.hlid); 4977b3115f2SLuciano Coelho if (ret) 4987b3115f2SLuciano Coelho goto out_free; 4997b3115f2SLuciano Coelho } 5007b3115f2SLuciano Coelho cmd->sta.hlid = wlvif->sta.hlid; 501978cd3a0SEliad Peller cmd->sta.session = wl->session_ids[wlvif->sta.hlid]; 502dc62a3dbSEliad Peller /* 503dc62a3dbSEliad Peller * We don't have the correct remote rates in this stage, and there 504dc62a3dbSEliad Peller * is no way to update them later, so use our supported rates instead. 505dc62a3dbSEliad Peller * The fw will take the configured rate policies into account anyway. 506dc62a3dbSEliad Peller */ 507dc62a3dbSEliad Peller cmd->sta.remote_rates = cpu_to_le32(supported_rates); 5087b3115f2SLuciano Coelho 5097b3115f2SLuciano Coelho wl1271_debug(DEBUG_CMD, "role start: roleid=%d, hlid=%d, session=%d " 5107b3115f2SLuciano Coelho "basic_rate_set: 0x%x, remote_rates: 0x%x", 5117b3115f2SLuciano Coelho wlvif->role_id, cmd->sta.hlid, cmd->sta.session, 5127b3115f2SLuciano Coelho wlvif->basic_rate_set, wlvif->rate_set); 5137b3115f2SLuciano Coelho 5147b3115f2SLuciano Coelho ret = wl1271_cmd_send(wl, CMD_ROLE_START, cmd, sizeof(*cmd), 0); 5157b3115f2SLuciano Coelho if (ret < 0) { 5167b3115f2SLuciano Coelho wl1271_error("failed to initiate cmd role start sta"); 5177b3115f2SLuciano Coelho goto err_hlid; 5187b3115f2SLuciano Coelho } 5197b3115f2SLuciano Coelho 5205f9b6777SArik Nemtsov wlvif->sta.role_chan_type = wlvif->channel_type; 5217b3115f2SLuciano Coelho goto out_free; 5227b3115f2SLuciano Coelho 5237b3115f2SLuciano Coelho err_hlid: 5247b3115f2SLuciano Coelho /* clear links on error. */ 5257b3115f2SLuciano Coelho wl12xx_free_link(wl, wlvif, &wlvif->sta.hlid); 5267b3115f2SLuciano Coelho 5277b3115f2SLuciano Coelho out_free: 5287b3115f2SLuciano Coelho kfree(cmd); 5297b3115f2SLuciano Coelho 5307b3115f2SLuciano Coelho out: 5317b3115f2SLuciano Coelho return ret; 5327b3115f2SLuciano Coelho } 5337b3115f2SLuciano Coelho 5347b3115f2SLuciano Coelho /* use this function to stop ibss as well */ 5357b3115f2SLuciano Coelho int wl12xx_cmd_role_stop_sta(struct wl1271 *wl, struct wl12xx_vif *wlvif) 5367b3115f2SLuciano Coelho { 5377b3115f2SLuciano Coelho struct wl12xx_cmd_role_stop *cmd; 5387b3115f2SLuciano Coelho int ret; 5397b3115f2SLuciano Coelho 5407b3115f2SLuciano Coelho if (WARN_ON(wlvif->sta.hlid == WL12XX_INVALID_LINK_ID)) 5417b3115f2SLuciano Coelho return -EINVAL; 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 wl1271_debug(DEBUG_CMD, "cmd role stop sta %d", wlvif->role_id); 5507b3115f2SLuciano Coelho 5517b3115f2SLuciano Coelho cmd->role_id = wlvif->role_id; 5527b3115f2SLuciano Coelho cmd->disc_type = DISCONNECT_IMMEDIATE; 5537b3115f2SLuciano Coelho cmd->reason = cpu_to_le16(WLAN_REASON_UNSPECIFIED); 5547b3115f2SLuciano Coelho 5557b3115f2SLuciano Coelho ret = wl1271_cmd_send(wl, CMD_ROLE_STOP, cmd, sizeof(*cmd), 0); 5567b3115f2SLuciano Coelho if (ret < 0) { 5577b3115f2SLuciano Coelho wl1271_error("failed to initiate cmd role stop sta"); 5587b3115f2SLuciano Coelho goto out_free; 5597b3115f2SLuciano Coelho } 5607b3115f2SLuciano Coelho 5617b3115f2SLuciano Coelho wl12xx_free_link(wl, wlvif, &wlvif->sta.hlid); 5627b3115f2SLuciano Coelho 5637b3115f2SLuciano Coelho out_free: 5647b3115f2SLuciano Coelho kfree(cmd); 5657b3115f2SLuciano Coelho 5667b3115f2SLuciano Coelho out: 5677b3115f2SLuciano Coelho return ret; 5687b3115f2SLuciano Coelho } 5697b3115f2SLuciano Coelho 5707b3115f2SLuciano Coelho int wl12xx_cmd_role_start_ap(struct wl1271 *wl, struct wl12xx_vif *wlvif) 5717b3115f2SLuciano Coelho { 5727b3115f2SLuciano Coelho struct wl12xx_cmd_role_start *cmd; 5737b3115f2SLuciano Coelho struct ieee80211_vif *vif = wl12xx_wlvif_to_vif(wlvif); 5747b3115f2SLuciano Coelho struct ieee80211_bss_conf *bss_conf = &vif->bss_conf; 57560462b48SLuciano Coelho u32 supported_rates; 5767b3115f2SLuciano Coelho int ret; 5777b3115f2SLuciano Coelho 5787b3115f2SLuciano Coelho wl1271_debug(DEBUG_CMD, "cmd role start ap %d", wlvif->role_id); 5797b3115f2SLuciano Coelho 5807b3115f2SLuciano Coelho /* trying to use hidden SSID with an old hostapd version */ 5817b3115f2SLuciano Coelho if (wlvif->ssid_len == 0 && !bss_conf->hidden_ssid) { 5827b3115f2SLuciano Coelho wl1271_error("got a null SSID from beacon/bss"); 5837b3115f2SLuciano Coelho ret = -EINVAL; 5847b3115f2SLuciano Coelho goto out; 5857b3115f2SLuciano Coelho } 5867b3115f2SLuciano Coelho 5877b3115f2SLuciano Coelho cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 5887b3115f2SLuciano Coelho if (!cmd) { 5897b3115f2SLuciano Coelho ret = -ENOMEM; 5907b3115f2SLuciano Coelho goto out; 5917b3115f2SLuciano Coelho } 5927b3115f2SLuciano Coelho 5937b3115f2SLuciano Coelho ret = wl12xx_allocate_link(wl, wlvif, &wlvif->ap.global_hlid); 5947b3115f2SLuciano Coelho if (ret < 0) 5957b3115f2SLuciano Coelho goto out_free; 5967b3115f2SLuciano Coelho 5977b3115f2SLuciano Coelho ret = wl12xx_allocate_link(wl, wlvif, &wlvif->ap.bcast_hlid); 5987b3115f2SLuciano Coelho if (ret < 0) 5997b3115f2SLuciano Coelho goto out_free_global; 6007b3115f2SLuciano Coelho 6017b3115f2SLuciano Coelho cmd->role_id = wlvif->role_id; 6027b3115f2SLuciano Coelho cmd->ap.aging_period = cpu_to_le16(wl->conf.tx.ap_aging_period); 6037b3115f2SLuciano Coelho cmd->ap.bss_index = WL1271_AP_BSS_INDEX; 6047b3115f2SLuciano Coelho cmd->ap.global_hlid = wlvif->ap.global_hlid; 6057b3115f2SLuciano Coelho cmd->ap.broadcast_hlid = wlvif->ap.bcast_hlid; 606978cd3a0SEliad Peller cmd->ap.global_session_id = wl->session_ids[wlvif->ap.global_hlid]; 607978cd3a0SEliad Peller cmd->ap.bcast_session_id = wl->session_ids[wlvif->ap.bcast_hlid]; 6087b3115f2SLuciano Coelho cmd->ap.basic_rate_set = cpu_to_le32(wlvif->basic_rate_set); 6097b3115f2SLuciano Coelho cmd->ap.beacon_interval = cpu_to_le16(wlvif->beacon_int); 6107b3115f2SLuciano Coelho cmd->ap.dtim_interval = bss_conf->dtim_period; 6117b3115f2SLuciano Coelho cmd->ap.beacon_expiry = WL1271_AP_DEF_BEACON_EXP; 6127b3115f2SLuciano Coelho /* FIXME: Change when adding DFS */ 6137b3115f2SLuciano Coelho cmd->ap.reset_tsf = 1; /* By default reset AP TSF */ 614d50529c0SEliad Peller cmd->ap.wmm = wlvif->wmm_enabled; 6157b3115f2SLuciano Coelho cmd->channel = wlvif->channel; 616a6298dbeSArik Nemtsov cmd->channel_type = wlcore_get_native_channel_type(wlvif->channel_type); 6177b3115f2SLuciano Coelho 6187b3115f2SLuciano Coelho if (!bss_conf->hidden_ssid) { 6197b3115f2SLuciano Coelho /* take the SSID from the beacon for backward compatibility */ 6207b3115f2SLuciano Coelho cmd->ap.ssid_type = WL12XX_SSID_TYPE_PUBLIC; 6217b3115f2SLuciano Coelho cmd->ap.ssid_len = wlvif->ssid_len; 6227b3115f2SLuciano Coelho memcpy(cmd->ap.ssid, wlvif->ssid, wlvif->ssid_len); 6237b3115f2SLuciano Coelho } else { 6247b3115f2SLuciano Coelho cmd->ap.ssid_type = WL12XX_SSID_TYPE_HIDDEN; 6257b3115f2SLuciano Coelho cmd->ap.ssid_len = bss_conf->ssid_len; 6267b3115f2SLuciano Coelho memcpy(cmd->ap.ssid, bss_conf->ssid, bss_conf->ssid_len); 6277b3115f2SLuciano Coelho } 6287b3115f2SLuciano Coelho 62942ec1f82SEliad Peller supported_rates = CONF_TX_ENABLED_RATES | CONF_TX_MCS_RATES | 63060462b48SLuciano Coelho wlcore_hw_ap_get_mimo_wide_rate_mask(wl, wlvif); 631873d2a40SEliad Peller if (wlvif->p2p) 632873d2a40SEliad Peller supported_rates &= ~CONF_TX_CCK_RATES; 63360462b48SLuciano Coelho 63460462b48SLuciano Coelho wl1271_debug(DEBUG_CMD, "cmd role start ap with supported_rates 0x%08x", 63560462b48SLuciano Coelho supported_rates); 63660462b48SLuciano Coelho 63760462b48SLuciano Coelho cmd->ap.local_rates = cpu_to_le32(supported_rates); 6387b3115f2SLuciano Coelho 6397b3115f2SLuciano Coelho switch (wlvif->band) { 6407b3115f2SLuciano Coelho case IEEE80211_BAND_2GHZ: 64100782136SLuciano Coelho cmd->band = WLCORE_BAND_2_4GHZ; 6427b3115f2SLuciano Coelho break; 6437b3115f2SLuciano Coelho case IEEE80211_BAND_5GHZ: 64400782136SLuciano Coelho cmd->band = WLCORE_BAND_5GHZ; 6457b3115f2SLuciano Coelho break; 6467b3115f2SLuciano Coelho default: 6477b3115f2SLuciano Coelho wl1271_warning("ap start - unknown band: %d", (int)wlvif->band); 64800782136SLuciano Coelho cmd->band = WLCORE_BAND_2_4GHZ; 6497b3115f2SLuciano Coelho break; 6507b3115f2SLuciano Coelho } 6517b3115f2SLuciano Coelho 6527b3115f2SLuciano Coelho ret = wl1271_cmd_send(wl, CMD_ROLE_START, cmd, sizeof(*cmd), 0); 6537b3115f2SLuciano Coelho if (ret < 0) { 6547b3115f2SLuciano Coelho wl1271_error("failed to initiate cmd role start ap"); 6557b3115f2SLuciano Coelho goto out_free_bcast; 6567b3115f2SLuciano Coelho } 6577b3115f2SLuciano Coelho 6587b3115f2SLuciano Coelho goto out_free; 6597b3115f2SLuciano Coelho 6607b3115f2SLuciano Coelho out_free_bcast: 6617b3115f2SLuciano Coelho wl12xx_free_link(wl, wlvif, &wlvif->ap.bcast_hlid); 6627b3115f2SLuciano Coelho 6637b3115f2SLuciano Coelho out_free_global: 6647b3115f2SLuciano Coelho wl12xx_free_link(wl, wlvif, &wlvif->ap.global_hlid); 6657b3115f2SLuciano Coelho 6667b3115f2SLuciano Coelho out_free: 6677b3115f2SLuciano Coelho kfree(cmd); 6687b3115f2SLuciano Coelho 6697b3115f2SLuciano Coelho out: 6707b3115f2SLuciano Coelho return ret; 6717b3115f2SLuciano Coelho } 6727b3115f2SLuciano Coelho 6737b3115f2SLuciano Coelho int wl12xx_cmd_role_stop_ap(struct wl1271 *wl, struct wl12xx_vif *wlvif) 6747b3115f2SLuciano Coelho { 6757b3115f2SLuciano Coelho struct wl12xx_cmd_role_stop *cmd; 6767b3115f2SLuciano Coelho int ret; 6777b3115f2SLuciano Coelho 6787b3115f2SLuciano Coelho cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 6797b3115f2SLuciano Coelho if (!cmd) { 6807b3115f2SLuciano Coelho ret = -ENOMEM; 6817b3115f2SLuciano Coelho goto out; 6827b3115f2SLuciano Coelho } 6837b3115f2SLuciano Coelho 6847b3115f2SLuciano Coelho wl1271_debug(DEBUG_CMD, "cmd role stop ap %d", wlvif->role_id); 6857b3115f2SLuciano Coelho 6867b3115f2SLuciano Coelho cmd->role_id = wlvif->role_id; 6877b3115f2SLuciano Coelho 6887b3115f2SLuciano Coelho ret = wl1271_cmd_send(wl, CMD_ROLE_STOP, cmd, sizeof(*cmd), 0); 6897b3115f2SLuciano Coelho if (ret < 0) { 6907b3115f2SLuciano Coelho wl1271_error("failed to initiate cmd role stop ap"); 6917b3115f2SLuciano Coelho goto out_free; 6927b3115f2SLuciano Coelho } 6937b3115f2SLuciano Coelho 6947b3115f2SLuciano Coelho wl12xx_free_link(wl, wlvif, &wlvif->ap.bcast_hlid); 6957b3115f2SLuciano Coelho wl12xx_free_link(wl, wlvif, &wlvif->ap.global_hlid); 6967b3115f2SLuciano Coelho 6977b3115f2SLuciano Coelho out_free: 6987b3115f2SLuciano Coelho kfree(cmd); 6997b3115f2SLuciano Coelho 7007b3115f2SLuciano Coelho out: 7017b3115f2SLuciano Coelho return ret; 7027b3115f2SLuciano Coelho } 7037b3115f2SLuciano Coelho 7047b3115f2SLuciano Coelho int wl12xx_cmd_role_start_ibss(struct wl1271 *wl, struct wl12xx_vif *wlvif) 7057b3115f2SLuciano Coelho { 7067b3115f2SLuciano Coelho struct ieee80211_vif *vif = wl12xx_wlvif_to_vif(wlvif); 7077b3115f2SLuciano Coelho struct wl12xx_cmd_role_start *cmd; 7087b3115f2SLuciano Coelho struct ieee80211_bss_conf *bss_conf = &vif->bss_conf; 7097b3115f2SLuciano Coelho int ret; 7107b3115f2SLuciano Coelho 7117b3115f2SLuciano Coelho cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 7127b3115f2SLuciano Coelho if (!cmd) { 7137b3115f2SLuciano Coelho ret = -ENOMEM; 7147b3115f2SLuciano Coelho goto out; 7157b3115f2SLuciano Coelho } 7167b3115f2SLuciano Coelho 7177b3115f2SLuciano Coelho wl1271_debug(DEBUG_CMD, "cmd role start ibss %d", wlvif->role_id); 7187b3115f2SLuciano Coelho 7197b3115f2SLuciano Coelho cmd->role_id = wlvif->role_id; 7207b3115f2SLuciano Coelho if (wlvif->band == IEEE80211_BAND_5GHZ) 72100782136SLuciano Coelho cmd->band = WLCORE_BAND_5GHZ; 7227b3115f2SLuciano Coelho cmd->channel = wlvif->channel; 7237b3115f2SLuciano Coelho cmd->ibss.basic_rate_set = cpu_to_le32(wlvif->basic_rate_set); 7247b3115f2SLuciano Coelho cmd->ibss.beacon_interval = cpu_to_le16(wlvif->beacon_int); 7257b3115f2SLuciano Coelho cmd->ibss.dtim_interval = bss_conf->dtim_period; 7267b3115f2SLuciano Coelho cmd->ibss.ssid_type = WL12XX_SSID_TYPE_ANY; 7277b3115f2SLuciano Coelho cmd->ibss.ssid_len = wlvif->ssid_len; 7287b3115f2SLuciano Coelho memcpy(cmd->ibss.ssid, wlvif->ssid, wlvif->ssid_len); 7297b3115f2SLuciano Coelho memcpy(cmd->ibss.bssid, vif->bss_conf.bssid, ETH_ALEN); 7307b3115f2SLuciano Coelho cmd->sta.local_rates = cpu_to_le32(wlvif->rate_set); 7317b3115f2SLuciano Coelho 7327b3115f2SLuciano Coelho if (wlvif->sta.hlid == WL12XX_INVALID_LINK_ID) { 7337b3115f2SLuciano Coelho ret = wl12xx_allocate_link(wl, wlvif, &wlvif->sta.hlid); 7347b3115f2SLuciano Coelho if (ret) 7357b3115f2SLuciano Coelho goto out_free; 7367b3115f2SLuciano Coelho } 7377b3115f2SLuciano Coelho cmd->ibss.hlid = wlvif->sta.hlid; 7387b3115f2SLuciano Coelho cmd->ibss.remote_rates = cpu_to_le32(wlvif->rate_set); 7397b3115f2SLuciano Coelho 7407b3115f2SLuciano Coelho wl1271_debug(DEBUG_CMD, "role start: roleid=%d, hlid=%d, session=%d " 7417b3115f2SLuciano Coelho "basic_rate_set: 0x%x, remote_rates: 0x%x", 7427b3115f2SLuciano Coelho wlvif->role_id, cmd->sta.hlid, cmd->sta.session, 7437b3115f2SLuciano Coelho wlvif->basic_rate_set, wlvif->rate_set); 7447b3115f2SLuciano Coelho 7457b3115f2SLuciano Coelho wl1271_debug(DEBUG_CMD, "vif->bss_conf.bssid = %pM", 7467b3115f2SLuciano Coelho vif->bss_conf.bssid); 7477b3115f2SLuciano Coelho 7487b3115f2SLuciano Coelho ret = wl1271_cmd_send(wl, CMD_ROLE_START, cmd, sizeof(*cmd), 0); 7497b3115f2SLuciano Coelho if (ret < 0) { 7507b3115f2SLuciano Coelho wl1271_error("failed to initiate cmd role enable"); 7517b3115f2SLuciano Coelho goto err_hlid; 7527b3115f2SLuciano Coelho } 7537b3115f2SLuciano Coelho 7547b3115f2SLuciano Coelho goto out_free; 7557b3115f2SLuciano Coelho 7567b3115f2SLuciano Coelho err_hlid: 7577b3115f2SLuciano Coelho /* clear links on error. */ 7587b3115f2SLuciano Coelho wl12xx_free_link(wl, wlvif, &wlvif->sta.hlid); 7597b3115f2SLuciano Coelho 7607b3115f2SLuciano Coelho out_free: 7617b3115f2SLuciano Coelho kfree(cmd); 7627b3115f2SLuciano Coelho 7637b3115f2SLuciano Coelho out: 7647b3115f2SLuciano Coelho return ret; 7657b3115f2SLuciano Coelho } 7667b3115f2SLuciano Coelho 7677b3115f2SLuciano Coelho 7687b3115f2SLuciano Coelho /** 7697b3115f2SLuciano Coelho * send test command to firmware 7707b3115f2SLuciano Coelho * 7717b3115f2SLuciano Coelho * @wl: wl struct 7727b3115f2SLuciano Coelho * @buf: buffer containing the command, with all headers, must work with dma 7737b3115f2SLuciano Coelho * @len: length of the buffer 7747b3115f2SLuciano Coelho * @answer: is answer needed 7757b3115f2SLuciano Coelho */ 7767b3115f2SLuciano Coelho int wl1271_cmd_test(struct wl1271 *wl, void *buf, size_t buf_len, u8 answer) 7777b3115f2SLuciano Coelho { 7787b3115f2SLuciano Coelho int ret; 7797b3115f2SLuciano Coelho size_t res_len = 0; 7807b3115f2SLuciano Coelho 7817b3115f2SLuciano Coelho wl1271_debug(DEBUG_CMD, "cmd test"); 7827b3115f2SLuciano Coelho 7837b3115f2SLuciano Coelho if (answer) 7847b3115f2SLuciano Coelho res_len = buf_len; 7857b3115f2SLuciano Coelho 7867b3115f2SLuciano Coelho ret = wl1271_cmd_send(wl, CMD_TEST, buf, buf_len, res_len); 7877b3115f2SLuciano Coelho 7887b3115f2SLuciano Coelho if (ret < 0) { 7897b3115f2SLuciano Coelho wl1271_warning("TEST command failed"); 7907b3115f2SLuciano Coelho return ret; 7917b3115f2SLuciano Coelho } 7927b3115f2SLuciano Coelho 7937b3115f2SLuciano Coelho return ret; 7947b3115f2SLuciano Coelho } 7959d68d1eeSLuciano Coelho EXPORT_SYMBOL_GPL(wl1271_cmd_test); 7967b3115f2SLuciano Coelho 7977b3115f2SLuciano Coelho /** 7987b3115f2SLuciano Coelho * read acx from firmware 7997b3115f2SLuciano Coelho * 8007b3115f2SLuciano Coelho * @wl: wl struct 8017b3115f2SLuciano Coelho * @id: acx id 8027b3115f2SLuciano Coelho * @buf: buffer for the response, including all headers, must work with dma 8037b3115f2SLuciano Coelho * @len: length of buf 8047b3115f2SLuciano Coelho */ 8057b3115f2SLuciano Coelho int wl1271_cmd_interrogate(struct wl1271 *wl, u16 id, void *buf, size_t len) 8067b3115f2SLuciano Coelho { 8077b3115f2SLuciano Coelho struct acx_header *acx = buf; 8087b3115f2SLuciano Coelho int ret; 8097b3115f2SLuciano Coelho 8107b3115f2SLuciano Coelho wl1271_debug(DEBUG_CMD, "cmd interrogate"); 8117b3115f2SLuciano Coelho 8127b3115f2SLuciano Coelho acx->id = cpu_to_le16(id); 8137b3115f2SLuciano Coelho 8147b3115f2SLuciano Coelho /* payload length, does not include any headers */ 8157b3115f2SLuciano Coelho acx->len = cpu_to_le16(len - sizeof(*acx)); 8167b3115f2SLuciano Coelho 8177b3115f2SLuciano Coelho ret = wl1271_cmd_send(wl, CMD_INTERROGATE, acx, sizeof(*acx), len); 8187b3115f2SLuciano Coelho if (ret < 0) 8197b3115f2SLuciano Coelho wl1271_error("INTERROGATE command failed"); 8207b3115f2SLuciano Coelho 8217b3115f2SLuciano Coelho return ret; 8227b3115f2SLuciano Coelho } 8237b3115f2SLuciano Coelho 8247b3115f2SLuciano Coelho /** 8257b3115f2SLuciano Coelho * write acx value to firmware 8267b3115f2SLuciano Coelho * 8277b3115f2SLuciano Coelho * @wl: wl struct 8287b3115f2SLuciano Coelho * @id: acx id 8297b3115f2SLuciano Coelho * @buf: buffer containing acx, including all headers, must work with dma 8307b3115f2SLuciano Coelho * @len: length of buf 831ea508435SEliad Peller * @valid_rets: bitmap of valid cmd status codes (i.e. return values). 832ea508435SEliad Peller * return the cmd status on success. 8337b3115f2SLuciano Coelho */ 834ea508435SEliad Peller int wlcore_cmd_configure_failsafe(struct wl1271 *wl, u16 id, void *buf, 835ea508435SEliad Peller size_t len, unsigned long valid_rets) 8367b3115f2SLuciano Coelho { 8377b3115f2SLuciano Coelho struct acx_header *acx = buf; 8387b3115f2SLuciano Coelho int ret; 8397b3115f2SLuciano Coelho 8407b3115f2SLuciano Coelho wl1271_debug(DEBUG_CMD, "cmd configure (%d)", id); 8417b3115f2SLuciano Coelho 8427b3115f2SLuciano Coelho acx->id = cpu_to_le16(id); 8437b3115f2SLuciano Coelho 8447b3115f2SLuciano Coelho /* payload length, does not include any headers */ 8457b3115f2SLuciano Coelho acx->len = cpu_to_le16(len - sizeof(*acx)); 8467b3115f2SLuciano Coelho 847ea508435SEliad Peller ret = wlcore_cmd_send_failsafe(wl, CMD_CONFIGURE, acx, len, 0, 848ea508435SEliad Peller valid_rets); 8497b3115f2SLuciano Coelho if (ret < 0) { 8507b3115f2SLuciano Coelho wl1271_warning("CONFIGURE command NOK"); 8517b3115f2SLuciano Coelho return ret; 8527b3115f2SLuciano Coelho } 8537b3115f2SLuciano Coelho 854ea508435SEliad Peller return ret; 855ea508435SEliad Peller } 856ea508435SEliad Peller 857ea508435SEliad Peller /* 858ea508435SEliad Peller * wrapper for wlcore_cmd_configure that accepts only success status. 859ea508435SEliad Peller * return 0 on success 860ea508435SEliad Peller */ 861ea508435SEliad Peller int wl1271_cmd_configure(struct wl1271 *wl, u16 id, void *buf, size_t len) 862ea508435SEliad Peller { 863ea508435SEliad Peller int ret = wlcore_cmd_configure_failsafe(wl, id, buf, len, 0); 864ea508435SEliad Peller 865ea508435SEliad Peller if (ret < 0) 866ea508435SEliad Peller return ret; 8677b3115f2SLuciano Coelho return 0; 8687b3115f2SLuciano Coelho } 8699d68d1eeSLuciano Coelho EXPORT_SYMBOL_GPL(wl1271_cmd_configure); 8707b3115f2SLuciano Coelho 8717b3115f2SLuciano Coelho int wl1271_cmd_data_path(struct wl1271 *wl, bool enable) 8727b3115f2SLuciano Coelho { 8737b3115f2SLuciano Coelho struct cmd_enabledisable_path *cmd; 8747b3115f2SLuciano Coelho int ret; 8757b3115f2SLuciano Coelho u16 cmd_rx, cmd_tx; 8767b3115f2SLuciano Coelho 8777b3115f2SLuciano Coelho wl1271_debug(DEBUG_CMD, "cmd data path"); 8787b3115f2SLuciano Coelho 8797b3115f2SLuciano Coelho cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 8807b3115f2SLuciano Coelho if (!cmd) { 8817b3115f2SLuciano Coelho ret = -ENOMEM; 8827b3115f2SLuciano Coelho goto out; 8837b3115f2SLuciano Coelho } 8847b3115f2SLuciano Coelho 8857b3115f2SLuciano Coelho /* the channel here is only used for calibration, so hardcoded to 1 */ 8867b3115f2SLuciano Coelho cmd->channel = 1; 8877b3115f2SLuciano Coelho 8887b3115f2SLuciano Coelho if (enable) { 8897b3115f2SLuciano Coelho cmd_rx = CMD_ENABLE_RX; 8907b3115f2SLuciano Coelho cmd_tx = CMD_ENABLE_TX; 8917b3115f2SLuciano Coelho } else { 8927b3115f2SLuciano Coelho cmd_rx = CMD_DISABLE_RX; 8937b3115f2SLuciano Coelho cmd_tx = CMD_DISABLE_TX; 8947b3115f2SLuciano Coelho } 8957b3115f2SLuciano Coelho 8967b3115f2SLuciano Coelho ret = wl1271_cmd_send(wl, cmd_rx, cmd, sizeof(*cmd), 0); 8977b3115f2SLuciano Coelho if (ret < 0) { 8987b3115f2SLuciano Coelho wl1271_error("rx %s cmd for channel %d failed", 8997b3115f2SLuciano Coelho enable ? "start" : "stop", cmd->channel); 9007b3115f2SLuciano Coelho goto out; 9017b3115f2SLuciano Coelho } 9027b3115f2SLuciano Coelho 9037b3115f2SLuciano Coelho wl1271_debug(DEBUG_BOOT, "rx %s cmd channel %d", 9047b3115f2SLuciano Coelho enable ? "start" : "stop", cmd->channel); 9057b3115f2SLuciano Coelho 9067b3115f2SLuciano Coelho ret = wl1271_cmd_send(wl, cmd_tx, cmd, sizeof(*cmd), 0); 9077b3115f2SLuciano Coelho if (ret < 0) { 9087b3115f2SLuciano Coelho wl1271_error("tx %s cmd for channel %d failed", 9097b3115f2SLuciano Coelho enable ? "start" : "stop", cmd->channel); 9107b3115f2SLuciano Coelho goto out; 9117b3115f2SLuciano Coelho } 9127b3115f2SLuciano Coelho 9137b3115f2SLuciano Coelho wl1271_debug(DEBUG_BOOT, "tx %s cmd channel %d", 9147b3115f2SLuciano Coelho enable ? "start" : "stop", cmd->channel); 9157b3115f2SLuciano Coelho 9167b3115f2SLuciano Coelho out: 9177b3115f2SLuciano Coelho kfree(cmd); 9187b3115f2SLuciano Coelho return ret; 9197b3115f2SLuciano Coelho } 920c331b344SLuciano Coelho EXPORT_SYMBOL_GPL(wl1271_cmd_data_path); 9217b3115f2SLuciano Coelho 9227b3115f2SLuciano Coelho int wl1271_cmd_ps_mode(struct wl1271 *wl, struct wl12xx_vif *wlvif, 9237b3115f2SLuciano Coelho u8 ps_mode, u16 auto_ps_timeout) 9247b3115f2SLuciano Coelho { 9257b3115f2SLuciano Coelho struct wl1271_cmd_ps_params *ps_params = NULL; 9267b3115f2SLuciano Coelho int ret = 0; 9277b3115f2SLuciano Coelho 9287b3115f2SLuciano Coelho wl1271_debug(DEBUG_CMD, "cmd set ps mode"); 9297b3115f2SLuciano Coelho 9307b3115f2SLuciano Coelho ps_params = kzalloc(sizeof(*ps_params), GFP_KERNEL); 9317b3115f2SLuciano Coelho if (!ps_params) { 9327b3115f2SLuciano Coelho ret = -ENOMEM; 9337b3115f2SLuciano Coelho goto out; 9347b3115f2SLuciano Coelho } 9357b3115f2SLuciano Coelho 9367b3115f2SLuciano Coelho ps_params->role_id = wlvif->role_id; 9377b3115f2SLuciano Coelho ps_params->ps_mode = ps_mode; 9387b3115f2SLuciano Coelho ps_params->auto_ps_timeout = auto_ps_timeout; 9397b3115f2SLuciano Coelho 9407b3115f2SLuciano Coelho ret = wl1271_cmd_send(wl, CMD_SET_PS_MODE, ps_params, 9417b3115f2SLuciano Coelho sizeof(*ps_params), 0); 9427b3115f2SLuciano Coelho if (ret < 0) { 9437b3115f2SLuciano Coelho wl1271_error("cmd set_ps_mode failed"); 9447b3115f2SLuciano Coelho goto out; 9457b3115f2SLuciano Coelho } 9467b3115f2SLuciano Coelho 9477b3115f2SLuciano Coelho out: 9487b3115f2SLuciano Coelho kfree(ps_params); 9497b3115f2SLuciano Coelho return ret; 9507b3115f2SLuciano Coelho } 9517b3115f2SLuciano Coelho 9527b3115f2SLuciano Coelho int wl1271_cmd_template_set(struct wl1271 *wl, u8 role_id, 9537b3115f2SLuciano Coelho u16 template_id, void *buf, size_t buf_len, 9547b3115f2SLuciano Coelho int index, u32 rates) 9557b3115f2SLuciano Coelho { 9567b3115f2SLuciano Coelho struct wl1271_cmd_template_set *cmd; 9577b3115f2SLuciano Coelho int ret = 0; 9587b3115f2SLuciano Coelho 9597b3115f2SLuciano Coelho wl1271_debug(DEBUG_CMD, "cmd template_set %d (role %d)", 9607b3115f2SLuciano Coelho template_id, role_id); 9617b3115f2SLuciano Coelho 9627b3115f2SLuciano Coelho WARN_ON(buf_len > WL1271_CMD_TEMPL_MAX_SIZE); 9637b3115f2SLuciano Coelho buf_len = min_t(size_t, buf_len, WL1271_CMD_TEMPL_MAX_SIZE); 9647b3115f2SLuciano Coelho 9657b3115f2SLuciano Coelho cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 9667b3115f2SLuciano Coelho if (!cmd) { 9677b3115f2SLuciano Coelho ret = -ENOMEM; 9687b3115f2SLuciano Coelho goto out; 9697b3115f2SLuciano Coelho } 9707b3115f2SLuciano Coelho 9717b3115f2SLuciano Coelho /* during initialization wlvif is NULL */ 9727b3115f2SLuciano Coelho cmd->role_id = role_id; 9737b3115f2SLuciano Coelho cmd->len = cpu_to_le16(buf_len); 9747b3115f2SLuciano Coelho cmd->template_type = template_id; 9757b3115f2SLuciano Coelho cmd->enabled_rates = cpu_to_le32(rates); 9767b3115f2SLuciano Coelho cmd->short_retry_limit = wl->conf.tx.tmpl_short_retry_limit; 9777b3115f2SLuciano Coelho cmd->long_retry_limit = wl->conf.tx.tmpl_long_retry_limit; 9787b3115f2SLuciano Coelho cmd->index = index; 9797b3115f2SLuciano Coelho 9807b3115f2SLuciano Coelho if (buf) 9817b3115f2SLuciano Coelho memcpy(cmd->template_data, buf, buf_len); 9827b3115f2SLuciano Coelho 9837b3115f2SLuciano Coelho ret = wl1271_cmd_send(wl, CMD_SET_TEMPLATE, cmd, sizeof(*cmd), 0); 9847b3115f2SLuciano Coelho if (ret < 0) { 9857b3115f2SLuciano Coelho wl1271_warning("cmd set_template failed: %d", ret); 9867b3115f2SLuciano Coelho goto out_free; 9877b3115f2SLuciano Coelho } 9887b3115f2SLuciano Coelho 9897b3115f2SLuciano Coelho out_free: 9907b3115f2SLuciano Coelho kfree(cmd); 9917b3115f2SLuciano Coelho 9927b3115f2SLuciano Coelho out: 9937b3115f2SLuciano Coelho return ret; 9947b3115f2SLuciano Coelho } 9957b3115f2SLuciano Coelho 9967b3115f2SLuciano Coelho int wl12xx_cmd_build_null_data(struct wl1271 *wl, struct wl12xx_vif *wlvif) 9977b3115f2SLuciano Coelho { 9987b3115f2SLuciano Coelho struct sk_buff *skb = NULL; 9997b3115f2SLuciano Coelho int size; 10007b3115f2SLuciano Coelho void *ptr; 10017b3115f2SLuciano Coelho int ret = -ENOMEM; 10027b3115f2SLuciano Coelho 10037b3115f2SLuciano Coelho 10047b3115f2SLuciano Coelho if (wlvif->bss_type == BSS_TYPE_IBSS) { 10057b3115f2SLuciano Coelho size = sizeof(struct wl12xx_null_data_template); 10067b3115f2SLuciano Coelho ptr = NULL; 10077b3115f2SLuciano Coelho } else { 10087b3115f2SLuciano Coelho skb = ieee80211_nullfunc_get(wl->hw, 10097b3115f2SLuciano Coelho wl12xx_wlvif_to_vif(wlvif)); 10107b3115f2SLuciano Coelho if (!skb) 10117b3115f2SLuciano Coelho goto out; 10127b3115f2SLuciano Coelho size = skb->len; 10137b3115f2SLuciano Coelho ptr = skb->data; 10147b3115f2SLuciano Coelho } 10157b3115f2SLuciano Coelho 10167b3115f2SLuciano Coelho ret = wl1271_cmd_template_set(wl, wlvif->role_id, 10177b3115f2SLuciano Coelho CMD_TEMPL_NULL_DATA, ptr, size, 0, 10187b3115f2SLuciano Coelho wlvif->basic_rate); 10197b3115f2SLuciano Coelho 10207b3115f2SLuciano Coelho out: 10217b3115f2SLuciano Coelho dev_kfree_skb(skb); 10227b3115f2SLuciano Coelho if (ret) 10237b3115f2SLuciano Coelho wl1271_warning("cmd buld null data failed %d", ret); 10247b3115f2SLuciano Coelho 10257b3115f2SLuciano Coelho return ret; 10267b3115f2SLuciano Coelho 10277b3115f2SLuciano Coelho } 10287b3115f2SLuciano Coelho 10297b3115f2SLuciano Coelho int wl12xx_cmd_build_klv_null_data(struct wl1271 *wl, 10307b3115f2SLuciano Coelho struct wl12xx_vif *wlvif) 10317b3115f2SLuciano Coelho { 10327b3115f2SLuciano Coelho struct ieee80211_vif *vif = wl12xx_wlvif_to_vif(wlvif); 10337b3115f2SLuciano Coelho struct sk_buff *skb = NULL; 10347b3115f2SLuciano Coelho int ret = -ENOMEM; 10357b3115f2SLuciano Coelho 10367b3115f2SLuciano Coelho skb = ieee80211_nullfunc_get(wl->hw, vif); 10377b3115f2SLuciano Coelho if (!skb) 10387b3115f2SLuciano Coelho goto out; 10397b3115f2SLuciano Coelho 10407b3115f2SLuciano Coelho ret = wl1271_cmd_template_set(wl, wlvif->role_id, CMD_TEMPL_KLV, 10417b3115f2SLuciano Coelho skb->data, skb->len, 1042001e39a8SEliad Peller wlvif->sta.klv_template_id, 10437b3115f2SLuciano Coelho wlvif->basic_rate); 10447b3115f2SLuciano Coelho 10457b3115f2SLuciano Coelho out: 10467b3115f2SLuciano Coelho dev_kfree_skb(skb); 10477b3115f2SLuciano Coelho if (ret) 10487b3115f2SLuciano Coelho wl1271_warning("cmd build klv null data failed %d", ret); 10497b3115f2SLuciano Coelho 10507b3115f2SLuciano Coelho return ret; 10517b3115f2SLuciano Coelho 10527b3115f2SLuciano Coelho } 10537b3115f2SLuciano Coelho 10547b3115f2SLuciano Coelho int wl1271_cmd_build_ps_poll(struct wl1271 *wl, struct wl12xx_vif *wlvif, 10557b3115f2SLuciano Coelho u16 aid) 10567b3115f2SLuciano Coelho { 10577b3115f2SLuciano Coelho struct ieee80211_vif *vif = wl12xx_wlvif_to_vif(wlvif); 10587b3115f2SLuciano Coelho struct sk_buff *skb; 10597b3115f2SLuciano Coelho int ret = 0; 10607b3115f2SLuciano Coelho 10617b3115f2SLuciano Coelho skb = ieee80211_pspoll_get(wl->hw, vif); 10627b3115f2SLuciano Coelho if (!skb) 10637b3115f2SLuciano Coelho goto out; 10647b3115f2SLuciano Coelho 10657b3115f2SLuciano Coelho ret = wl1271_cmd_template_set(wl, wlvif->role_id, 10667b3115f2SLuciano Coelho CMD_TEMPL_PS_POLL, skb->data, 10677b3115f2SLuciano Coelho skb->len, 0, wlvif->basic_rate_set); 10687b3115f2SLuciano Coelho 10697b3115f2SLuciano Coelho out: 10707b3115f2SLuciano Coelho dev_kfree_skb(skb); 10717b3115f2SLuciano Coelho return ret; 10727b3115f2SLuciano Coelho } 10737b3115f2SLuciano Coelho 10747b3115f2SLuciano Coelho int wl12xx_cmd_build_probe_req(struct wl1271 *wl, struct wl12xx_vif *wlvif, 10757b3115f2SLuciano Coelho u8 role_id, u8 band, 10767b3115f2SLuciano Coelho const u8 *ssid, size_t ssid_len, 10773df74f46SYoni Divinsky const u8 *ie, size_t ie_len, bool sched_scan) 10787b3115f2SLuciano Coelho { 10797b3115f2SLuciano Coelho struct ieee80211_vif *vif = wl12xx_wlvif_to_vif(wlvif); 10807b3115f2SLuciano Coelho struct sk_buff *skb; 10817b3115f2SLuciano Coelho int ret; 10827b3115f2SLuciano Coelho u32 rate; 108378e28062SEliad Peller u16 template_id_2_4 = wl->scan_templ_id_2_4; 108478e28062SEliad Peller u16 template_id_5 = wl->scan_templ_id_5; 10857b3115f2SLuciano Coelho 10867b3115f2SLuciano Coelho skb = ieee80211_probereq_get(wl->hw, vif, ssid, ssid_len, 10877b3115f2SLuciano Coelho ie, ie_len); 10887b3115f2SLuciano Coelho if (!skb) { 10897b3115f2SLuciano Coelho ret = -ENOMEM; 10907b3115f2SLuciano Coelho goto out; 10917b3115f2SLuciano Coelho } 10927b3115f2SLuciano Coelho 10937b3115f2SLuciano Coelho wl1271_dump(DEBUG_SCAN, "PROBE REQ: ", skb->data, skb->len); 10947b3115f2SLuciano Coelho 109578e28062SEliad Peller if (sched_scan && 10963df74f46SYoni Divinsky (wl->quirks & WLCORE_QUIRK_DUAL_PROBE_TMPL)) { 109778e28062SEliad Peller template_id_2_4 = wl->sched_scan_templ_id_2_4; 109878e28062SEliad Peller template_id_5 = wl->sched_scan_templ_id_5; 10993df74f46SYoni Divinsky } 11003df74f46SYoni Divinsky 11017b3115f2SLuciano Coelho rate = wl1271_tx_min_rate_get(wl, wlvif->bitrate_masks[band]); 11027b3115f2SLuciano Coelho if (band == IEEE80211_BAND_2GHZ) 11037b3115f2SLuciano Coelho ret = wl1271_cmd_template_set(wl, role_id, 11043df74f46SYoni Divinsky template_id_2_4, 11057b3115f2SLuciano Coelho skb->data, skb->len, 0, rate); 11067b3115f2SLuciano Coelho else 11077b3115f2SLuciano Coelho ret = wl1271_cmd_template_set(wl, role_id, 11083df74f46SYoni Divinsky template_id_5, 11097b3115f2SLuciano Coelho skb->data, skb->len, 0, rate); 11107b3115f2SLuciano Coelho 11117b3115f2SLuciano Coelho out: 11127b3115f2SLuciano Coelho dev_kfree_skb(skb); 11137b3115f2SLuciano Coelho return ret; 11147b3115f2SLuciano Coelho } 111578e28062SEliad Peller EXPORT_SYMBOL_GPL(wl12xx_cmd_build_probe_req); 11167b3115f2SLuciano Coelho 11177b3115f2SLuciano Coelho struct sk_buff *wl1271_cmd_build_ap_probe_req(struct wl1271 *wl, 11187b3115f2SLuciano Coelho struct wl12xx_vif *wlvif, 11197b3115f2SLuciano Coelho struct sk_buff *skb) 11207b3115f2SLuciano Coelho { 11217b3115f2SLuciano Coelho struct ieee80211_vif *vif = wl12xx_wlvif_to_vif(wlvif); 11227b3115f2SLuciano Coelho int ret; 11237b3115f2SLuciano Coelho u32 rate; 11247b3115f2SLuciano Coelho 11257b3115f2SLuciano Coelho if (!skb) 11267b3115f2SLuciano Coelho skb = ieee80211_ap_probereq_get(wl->hw, vif); 11277b3115f2SLuciano Coelho if (!skb) 11287b3115f2SLuciano Coelho goto out; 11297b3115f2SLuciano Coelho 11307b3115f2SLuciano Coelho wl1271_dump(DEBUG_SCAN, "AP PROBE REQ: ", skb->data, skb->len); 11317b3115f2SLuciano Coelho 11327b3115f2SLuciano Coelho rate = wl1271_tx_min_rate_get(wl, wlvif->bitrate_masks[wlvif->band]); 11337b3115f2SLuciano Coelho if (wlvif->band == IEEE80211_BAND_2GHZ) 11347b3115f2SLuciano Coelho ret = wl1271_cmd_template_set(wl, wlvif->role_id, 11357b3115f2SLuciano Coelho CMD_TEMPL_CFG_PROBE_REQ_2_4, 11367b3115f2SLuciano Coelho skb->data, skb->len, 0, rate); 11377b3115f2SLuciano Coelho else 11387b3115f2SLuciano Coelho ret = wl1271_cmd_template_set(wl, wlvif->role_id, 11397b3115f2SLuciano Coelho CMD_TEMPL_CFG_PROBE_REQ_5, 11407b3115f2SLuciano Coelho skb->data, skb->len, 0, rate); 11417b3115f2SLuciano Coelho 11427b3115f2SLuciano Coelho if (ret < 0) 11437b3115f2SLuciano Coelho wl1271_error("Unable to set ap probe request template."); 11447b3115f2SLuciano Coelho 11457b3115f2SLuciano Coelho out: 11467b3115f2SLuciano Coelho return skb; 11477b3115f2SLuciano Coelho } 11487b3115f2SLuciano Coelho 11497b3115f2SLuciano Coelho int wl1271_cmd_build_arp_rsp(struct wl1271 *wl, struct wl12xx_vif *wlvif) 11507b3115f2SLuciano Coelho { 11512c0133a4SArik Nemtsov int ret, extra = 0; 11527b3115f2SLuciano Coelho u16 fc; 11537b3115f2SLuciano Coelho struct ieee80211_vif *vif = wl12xx_wlvif_to_vif(wlvif); 11547b3115f2SLuciano Coelho struct sk_buff *skb; 11557b3115f2SLuciano Coelho struct wl12xx_arp_rsp_template *tmpl; 11567b3115f2SLuciano Coelho struct ieee80211_hdr_3addr *hdr; 11577b3115f2SLuciano Coelho struct arphdr *arp_hdr; 11587b3115f2SLuciano Coelho 11597b3115f2SLuciano Coelho skb = dev_alloc_skb(sizeof(*hdr) + sizeof(__le16) + sizeof(*tmpl) + 11607b3115f2SLuciano Coelho WL1271_EXTRA_SPACE_MAX); 11617b3115f2SLuciano Coelho if (!skb) { 11627b3115f2SLuciano Coelho wl1271_error("failed to allocate buffer for arp rsp template"); 11637b3115f2SLuciano Coelho return -ENOMEM; 11647b3115f2SLuciano Coelho } 11657b3115f2SLuciano Coelho 11667b3115f2SLuciano Coelho skb_reserve(skb, sizeof(*hdr) + WL1271_EXTRA_SPACE_MAX); 11677b3115f2SLuciano Coelho 11687b3115f2SLuciano Coelho tmpl = (struct wl12xx_arp_rsp_template *)skb_put(skb, sizeof(*tmpl)); 1169161f17b5SJesper Juhl memset(tmpl, 0, sizeof(*tmpl)); 11707b3115f2SLuciano Coelho 11717b3115f2SLuciano Coelho /* llc layer */ 11727b3115f2SLuciano Coelho memcpy(tmpl->llc_hdr, rfc1042_header, sizeof(rfc1042_header)); 11737b3115f2SLuciano Coelho tmpl->llc_type = cpu_to_be16(ETH_P_ARP); 11747b3115f2SLuciano Coelho 11757b3115f2SLuciano Coelho /* arp header */ 11767b3115f2SLuciano Coelho arp_hdr = &tmpl->arp_hdr; 11777b3115f2SLuciano Coelho arp_hdr->ar_hrd = cpu_to_be16(ARPHRD_ETHER); 11787b3115f2SLuciano Coelho arp_hdr->ar_pro = cpu_to_be16(ETH_P_IP); 11797b3115f2SLuciano Coelho arp_hdr->ar_hln = ETH_ALEN; 11807b3115f2SLuciano Coelho arp_hdr->ar_pln = 4; 11817b3115f2SLuciano Coelho arp_hdr->ar_op = cpu_to_be16(ARPOP_REPLY); 11827b3115f2SLuciano Coelho 11837b3115f2SLuciano Coelho /* arp payload */ 11847b3115f2SLuciano Coelho memcpy(tmpl->sender_hw, vif->addr, ETH_ALEN); 11857b3115f2SLuciano Coelho tmpl->sender_ip = wlvif->ip_addr; 11867b3115f2SLuciano Coelho 11877b3115f2SLuciano Coelho /* encryption space */ 11887b3115f2SLuciano Coelho switch (wlvif->encryption_type) { 11897b3115f2SLuciano Coelho case KEY_TKIP: 11902c0133a4SArik Nemtsov if (wl->quirks & WLCORE_QUIRK_TKIP_HEADER_SPACE) 11917b3115f2SLuciano Coelho extra = WL1271_EXTRA_SPACE_TKIP; 11927b3115f2SLuciano Coelho break; 11937b3115f2SLuciano Coelho case KEY_AES: 11947b3115f2SLuciano Coelho extra = WL1271_EXTRA_SPACE_AES; 11957b3115f2SLuciano Coelho break; 11967b3115f2SLuciano Coelho case KEY_NONE: 11977b3115f2SLuciano Coelho case KEY_WEP: 11987b3115f2SLuciano Coelho case KEY_GEM: 11997b3115f2SLuciano Coelho extra = 0; 12007b3115f2SLuciano Coelho break; 12017b3115f2SLuciano Coelho default: 12027b3115f2SLuciano Coelho wl1271_warning("Unknown encryption type: %d", 12037b3115f2SLuciano Coelho wlvif->encryption_type); 12047b3115f2SLuciano Coelho ret = -EINVAL; 12057b3115f2SLuciano Coelho goto out; 12067b3115f2SLuciano Coelho } 12077b3115f2SLuciano Coelho 12087b3115f2SLuciano Coelho if (extra) { 12097b3115f2SLuciano Coelho u8 *space = skb_push(skb, extra); 12107b3115f2SLuciano Coelho memset(space, 0, extra); 12117b3115f2SLuciano Coelho } 12127b3115f2SLuciano Coelho 12137b3115f2SLuciano Coelho /* QoS header - BE */ 12147b3115f2SLuciano Coelho if (wlvif->sta.qos) 12157b3115f2SLuciano Coelho memset(skb_push(skb, sizeof(__le16)), 0, sizeof(__le16)); 12167b3115f2SLuciano Coelho 12177b3115f2SLuciano Coelho /* mac80211 header */ 12187b3115f2SLuciano Coelho hdr = (struct ieee80211_hdr_3addr *)skb_push(skb, sizeof(*hdr)); 1219161f17b5SJesper Juhl memset(hdr, 0, sizeof(*hdr)); 12207b3115f2SLuciano Coelho fc = IEEE80211_FTYPE_DATA | IEEE80211_FCTL_TODS; 12217b3115f2SLuciano Coelho if (wlvif->sta.qos) 12227b3115f2SLuciano Coelho fc |= IEEE80211_STYPE_QOS_DATA; 12237b3115f2SLuciano Coelho else 12247b3115f2SLuciano Coelho fc |= IEEE80211_STYPE_DATA; 12257b3115f2SLuciano Coelho if (wlvif->encryption_type != KEY_NONE) 12267b3115f2SLuciano Coelho fc |= IEEE80211_FCTL_PROTECTED; 12277b3115f2SLuciano Coelho 12287b3115f2SLuciano Coelho hdr->frame_control = cpu_to_le16(fc); 12297b3115f2SLuciano Coelho memcpy(hdr->addr1, vif->bss_conf.bssid, ETH_ALEN); 12307b3115f2SLuciano Coelho memcpy(hdr->addr2, vif->addr, ETH_ALEN); 12317b3115f2SLuciano Coelho memset(hdr->addr3, 0xff, ETH_ALEN); 12327b3115f2SLuciano Coelho 12337b3115f2SLuciano Coelho ret = wl1271_cmd_template_set(wl, wlvif->role_id, CMD_TEMPL_ARP_RSP, 12347b3115f2SLuciano Coelho skb->data, skb->len, 0, 12357b3115f2SLuciano Coelho wlvif->basic_rate); 12367b3115f2SLuciano Coelho out: 12377b3115f2SLuciano Coelho dev_kfree_skb(skb); 12387b3115f2SLuciano Coelho return ret; 12397b3115f2SLuciano Coelho } 12407b3115f2SLuciano Coelho 12417b3115f2SLuciano Coelho int wl1271_build_qos_null_data(struct wl1271 *wl, struct ieee80211_vif *vif) 12427b3115f2SLuciano Coelho { 12437b3115f2SLuciano Coelho struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); 12447b3115f2SLuciano Coelho struct ieee80211_qos_hdr template; 12457b3115f2SLuciano Coelho 12467b3115f2SLuciano Coelho memset(&template, 0, sizeof(template)); 12477b3115f2SLuciano Coelho 12487b3115f2SLuciano Coelho memcpy(template.addr1, vif->bss_conf.bssid, ETH_ALEN); 12497b3115f2SLuciano Coelho memcpy(template.addr2, vif->addr, ETH_ALEN); 12507b3115f2SLuciano Coelho memcpy(template.addr3, vif->bss_conf.bssid, ETH_ALEN); 12517b3115f2SLuciano Coelho 12527b3115f2SLuciano Coelho template.frame_control = cpu_to_le16(IEEE80211_FTYPE_DATA | 12537b3115f2SLuciano Coelho IEEE80211_STYPE_QOS_NULLFUNC | 12547b3115f2SLuciano Coelho IEEE80211_FCTL_TODS); 12557b3115f2SLuciano Coelho 12567b3115f2SLuciano Coelho /* FIXME: not sure what priority to use here */ 12577b3115f2SLuciano Coelho template.qos_ctrl = cpu_to_le16(0); 12587b3115f2SLuciano Coelho 12597b3115f2SLuciano Coelho return wl1271_cmd_template_set(wl, wlvif->role_id, 12607b3115f2SLuciano Coelho CMD_TEMPL_QOS_NULL_DATA, &template, 12617b3115f2SLuciano Coelho sizeof(template), 0, 12627b3115f2SLuciano Coelho wlvif->basic_rate); 12637b3115f2SLuciano Coelho } 12647b3115f2SLuciano Coelho 12657b3115f2SLuciano Coelho int wl12xx_cmd_set_default_wep_key(struct wl1271 *wl, u8 id, u8 hlid) 12667b3115f2SLuciano Coelho { 12677b3115f2SLuciano Coelho struct wl1271_cmd_set_keys *cmd; 12687b3115f2SLuciano Coelho int ret = 0; 12697b3115f2SLuciano Coelho 12707b3115f2SLuciano Coelho wl1271_debug(DEBUG_CMD, "cmd set_default_wep_key %d", id); 12717b3115f2SLuciano Coelho 12727b3115f2SLuciano Coelho cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 12737b3115f2SLuciano Coelho if (!cmd) { 12747b3115f2SLuciano Coelho ret = -ENOMEM; 12757b3115f2SLuciano Coelho goto out; 12767b3115f2SLuciano Coelho } 12777b3115f2SLuciano Coelho 12787b3115f2SLuciano Coelho cmd->hlid = hlid; 12797b3115f2SLuciano Coelho cmd->key_id = id; 12807b3115f2SLuciano Coelho cmd->lid_key_type = WEP_DEFAULT_LID_TYPE; 12817b3115f2SLuciano Coelho cmd->key_action = cpu_to_le16(KEY_SET_ID); 12827b3115f2SLuciano Coelho cmd->key_type = KEY_WEP; 12837b3115f2SLuciano Coelho 12847b3115f2SLuciano Coelho ret = wl1271_cmd_send(wl, CMD_SET_KEYS, cmd, sizeof(*cmd), 0); 12857b3115f2SLuciano Coelho if (ret < 0) { 12867b3115f2SLuciano Coelho wl1271_warning("cmd set_default_wep_key failed: %d", ret); 12877b3115f2SLuciano Coelho goto out; 12887b3115f2SLuciano Coelho } 12897b3115f2SLuciano Coelho 12907b3115f2SLuciano Coelho out: 12917b3115f2SLuciano Coelho kfree(cmd); 12927b3115f2SLuciano Coelho 12937b3115f2SLuciano Coelho return ret; 12947b3115f2SLuciano Coelho } 12957b3115f2SLuciano Coelho 12967b3115f2SLuciano Coelho int wl1271_cmd_set_sta_key(struct wl1271 *wl, struct wl12xx_vif *wlvif, 12977b3115f2SLuciano Coelho u16 action, u8 id, u8 key_type, 12987b3115f2SLuciano Coelho u8 key_size, const u8 *key, const u8 *addr, 12997b3115f2SLuciano Coelho u32 tx_seq_32, u16 tx_seq_16) 13007b3115f2SLuciano Coelho { 13017b3115f2SLuciano Coelho struct wl1271_cmd_set_keys *cmd; 13027b3115f2SLuciano Coelho int ret = 0; 13037b3115f2SLuciano Coelho 13047b3115f2SLuciano Coelho /* hlid might have already been deleted */ 13057b3115f2SLuciano Coelho if (wlvif->sta.hlid == WL12XX_INVALID_LINK_ID) 13067b3115f2SLuciano Coelho return 0; 13077b3115f2SLuciano Coelho 13087b3115f2SLuciano Coelho cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 13097b3115f2SLuciano Coelho if (!cmd) { 13107b3115f2SLuciano Coelho ret = -ENOMEM; 13117b3115f2SLuciano Coelho goto out; 13127b3115f2SLuciano Coelho } 13137b3115f2SLuciano Coelho 13147b3115f2SLuciano Coelho cmd->hlid = wlvif->sta.hlid; 13157b3115f2SLuciano Coelho 13167b3115f2SLuciano Coelho if (key_type == KEY_WEP) 13177b3115f2SLuciano Coelho cmd->lid_key_type = WEP_DEFAULT_LID_TYPE; 13187b3115f2SLuciano Coelho else if (is_broadcast_ether_addr(addr)) 13197b3115f2SLuciano Coelho cmd->lid_key_type = BROADCAST_LID_TYPE; 13207b3115f2SLuciano Coelho else 13217b3115f2SLuciano Coelho cmd->lid_key_type = UNICAST_LID_TYPE; 13227b3115f2SLuciano Coelho 13237b3115f2SLuciano Coelho cmd->key_action = cpu_to_le16(action); 13247b3115f2SLuciano Coelho cmd->key_size = key_size; 13257b3115f2SLuciano Coelho cmd->key_type = key_type; 13267b3115f2SLuciano Coelho 13277b3115f2SLuciano Coelho cmd->ac_seq_num16[0] = cpu_to_le16(tx_seq_16); 13287b3115f2SLuciano Coelho cmd->ac_seq_num32[0] = cpu_to_le32(tx_seq_32); 13297b3115f2SLuciano Coelho 13307b3115f2SLuciano Coelho cmd->key_id = id; 13317b3115f2SLuciano Coelho 13327b3115f2SLuciano Coelho if (key_type == KEY_TKIP) { 13337b3115f2SLuciano Coelho /* 13347b3115f2SLuciano Coelho * We get the key in the following form: 13357b3115f2SLuciano Coelho * TKIP (16 bytes) - TX MIC (8 bytes) - RX MIC (8 bytes) 13367b3115f2SLuciano Coelho * but the target is expecting: 13377b3115f2SLuciano Coelho * TKIP - RX MIC - TX MIC 13387b3115f2SLuciano Coelho */ 13397b3115f2SLuciano Coelho memcpy(cmd->key, key, 16); 13407b3115f2SLuciano Coelho memcpy(cmd->key + 16, key + 24, 8); 13417b3115f2SLuciano Coelho memcpy(cmd->key + 24, key + 16, 8); 13427b3115f2SLuciano Coelho 13437b3115f2SLuciano Coelho } else { 13447b3115f2SLuciano Coelho memcpy(cmd->key, key, key_size); 13457b3115f2SLuciano Coelho } 13467b3115f2SLuciano Coelho 13477b3115f2SLuciano Coelho wl1271_dump(DEBUG_CRYPT, "TARGET KEY: ", cmd, sizeof(*cmd)); 13487b3115f2SLuciano Coelho 13497b3115f2SLuciano Coelho ret = wl1271_cmd_send(wl, CMD_SET_KEYS, cmd, sizeof(*cmd), 0); 13507b3115f2SLuciano Coelho if (ret < 0) { 13517b3115f2SLuciano Coelho wl1271_warning("could not set keys"); 13527b3115f2SLuciano Coelho goto out; 13537b3115f2SLuciano Coelho } 13547b3115f2SLuciano Coelho 13557b3115f2SLuciano Coelho out: 13567b3115f2SLuciano Coelho kfree(cmd); 13577b3115f2SLuciano Coelho 13587b3115f2SLuciano Coelho return ret; 13597b3115f2SLuciano Coelho } 13607b3115f2SLuciano Coelho 13617b3115f2SLuciano Coelho /* 13627b3115f2SLuciano Coelho * TODO: merge with sta/ibss into 1 set_key function. 13637b3115f2SLuciano Coelho * note there are slight diffs 13647b3115f2SLuciano Coelho */ 13657b3115f2SLuciano Coelho int wl1271_cmd_set_ap_key(struct wl1271 *wl, struct wl12xx_vif *wlvif, 13667b3115f2SLuciano Coelho u16 action, u8 id, u8 key_type, 13677b3115f2SLuciano Coelho u8 key_size, const u8 *key, u8 hlid, u32 tx_seq_32, 13687b3115f2SLuciano Coelho u16 tx_seq_16) 13697b3115f2SLuciano Coelho { 13707b3115f2SLuciano Coelho struct wl1271_cmd_set_keys *cmd; 13717b3115f2SLuciano Coelho int ret = 0; 13727b3115f2SLuciano Coelho u8 lid_type; 13737b3115f2SLuciano Coelho 13747b3115f2SLuciano Coelho cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 13757b3115f2SLuciano Coelho if (!cmd) 13767b3115f2SLuciano Coelho return -ENOMEM; 13777b3115f2SLuciano Coelho 13787b3115f2SLuciano Coelho if (hlid == wlvif->ap.bcast_hlid) { 13797b3115f2SLuciano Coelho if (key_type == KEY_WEP) 13807b3115f2SLuciano Coelho lid_type = WEP_DEFAULT_LID_TYPE; 13817b3115f2SLuciano Coelho else 13827b3115f2SLuciano Coelho lid_type = BROADCAST_LID_TYPE; 13837b3115f2SLuciano Coelho } else { 13847b3115f2SLuciano Coelho lid_type = UNICAST_LID_TYPE; 13857b3115f2SLuciano Coelho } 13867b3115f2SLuciano Coelho 13877b3115f2SLuciano Coelho wl1271_debug(DEBUG_CRYPT, "ap key action: %d id: %d lid: %d type: %d" 13887b3115f2SLuciano Coelho " hlid: %d", (int)action, (int)id, (int)lid_type, 13897b3115f2SLuciano Coelho (int)key_type, (int)hlid); 13907b3115f2SLuciano Coelho 13917b3115f2SLuciano Coelho cmd->lid_key_type = lid_type; 13927b3115f2SLuciano Coelho cmd->hlid = hlid; 13937b3115f2SLuciano Coelho cmd->key_action = cpu_to_le16(action); 13947b3115f2SLuciano Coelho cmd->key_size = key_size; 13957b3115f2SLuciano Coelho cmd->key_type = key_type; 13967b3115f2SLuciano Coelho cmd->key_id = id; 13977b3115f2SLuciano Coelho cmd->ac_seq_num16[0] = cpu_to_le16(tx_seq_16); 13987b3115f2SLuciano Coelho cmd->ac_seq_num32[0] = cpu_to_le32(tx_seq_32); 13997b3115f2SLuciano Coelho 14007b3115f2SLuciano Coelho if (key_type == KEY_TKIP) { 14017b3115f2SLuciano Coelho /* 14027b3115f2SLuciano Coelho * We get the key in the following form: 14037b3115f2SLuciano Coelho * TKIP (16 bytes) - TX MIC (8 bytes) - RX MIC (8 bytes) 14047b3115f2SLuciano Coelho * but the target is expecting: 14057b3115f2SLuciano Coelho * TKIP - RX MIC - TX MIC 14067b3115f2SLuciano Coelho */ 14077b3115f2SLuciano Coelho memcpy(cmd->key, key, 16); 14087b3115f2SLuciano Coelho memcpy(cmd->key + 16, key + 24, 8); 14097b3115f2SLuciano Coelho memcpy(cmd->key + 24, key + 16, 8); 14107b3115f2SLuciano Coelho } else { 14117b3115f2SLuciano Coelho memcpy(cmd->key, key, key_size); 14127b3115f2SLuciano Coelho } 14137b3115f2SLuciano Coelho 14147b3115f2SLuciano Coelho wl1271_dump(DEBUG_CRYPT, "TARGET AP KEY: ", cmd, sizeof(*cmd)); 14157b3115f2SLuciano Coelho 14167b3115f2SLuciano Coelho ret = wl1271_cmd_send(wl, CMD_SET_KEYS, cmd, sizeof(*cmd), 0); 14177b3115f2SLuciano Coelho if (ret < 0) { 14187b3115f2SLuciano Coelho wl1271_warning("could not set ap keys"); 14197b3115f2SLuciano Coelho goto out; 14207b3115f2SLuciano Coelho } 14217b3115f2SLuciano Coelho 14227b3115f2SLuciano Coelho out: 14237b3115f2SLuciano Coelho kfree(cmd); 14247b3115f2SLuciano Coelho return ret; 14257b3115f2SLuciano Coelho } 14267b3115f2SLuciano Coelho 1427d50529c0SEliad Peller int wl12xx_cmd_set_peer_state(struct wl1271 *wl, struct wl12xx_vif *wlvif, 1428d50529c0SEliad Peller u8 hlid) 14297b3115f2SLuciano Coelho { 14307b3115f2SLuciano Coelho struct wl12xx_cmd_set_peer_state *cmd; 14317b3115f2SLuciano Coelho int ret = 0; 14327b3115f2SLuciano Coelho 14337b3115f2SLuciano Coelho wl1271_debug(DEBUG_CMD, "cmd set peer state (hlid=%d)", hlid); 14347b3115f2SLuciano Coelho 14357b3115f2SLuciano Coelho cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 14367b3115f2SLuciano Coelho if (!cmd) { 14377b3115f2SLuciano Coelho ret = -ENOMEM; 14387b3115f2SLuciano Coelho goto out; 14397b3115f2SLuciano Coelho } 14407b3115f2SLuciano Coelho 14417b3115f2SLuciano Coelho cmd->hlid = hlid; 14427b3115f2SLuciano Coelho cmd->state = WL1271_CMD_STA_STATE_CONNECTED; 14437b3115f2SLuciano Coelho 1444d50529c0SEliad Peller /* wmm param is valid only for station role */ 1445d50529c0SEliad Peller if (wlvif->bss_type == BSS_TYPE_STA_BSS) 1446d50529c0SEliad Peller cmd->wmm = wlvif->wmm_enabled; 1447d50529c0SEliad Peller 14487b3115f2SLuciano Coelho ret = wl1271_cmd_send(wl, CMD_SET_PEER_STATE, cmd, sizeof(*cmd), 0); 14497b3115f2SLuciano Coelho if (ret < 0) { 14507b3115f2SLuciano Coelho wl1271_error("failed to send set peer state command"); 14517b3115f2SLuciano Coelho goto out_free; 14527b3115f2SLuciano Coelho } 14537b3115f2SLuciano Coelho 14547b3115f2SLuciano Coelho out_free: 14557b3115f2SLuciano Coelho kfree(cmd); 14567b3115f2SLuciano Coelho 14577b3115f2SLuciano Coelho out: 14587b3115f2SLuciano Coelho return ret; 14597b3115f2SLuciano Coelho } 14607b3115f2SLuciano Coelho 14617b3115f2SLuciano Coelho int wl12xx_cmd_add_peer(struct wl1271 *wl, struct wl12xx_vif *wlvif, 14627b3115f2SLuciano Coelho struct ieee80211_sta *sta, u8 hlid) 14637b3115f2SLuciano Coelho { 14647b3115f2SLuciano Coelho struct wl12xx_cmd_add_peer *cmd; 14657b3115f2SLuciano Coelho int i, ret; 14667b3115f2SLuciano Coelho u32 sta_rates; 14677b3115f2SLuciano Coelho 14687b3115f2SLuciano Coelho wl1271_debug(DEBUG_CMD, "cmd add peer %d", (int)hlid); 14697b3115f2SLuciano Coelho 14707b3115f2SLuciano Coelho cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 14717b3115f2SLuciano Coelho if (!cmd) { 14727b3115f2SLuciano Coelho ret = -ENOMEM; 14737b3115f2SLuciano Coelho goto out; 14747b3115f2SLuciano Coelho } 14757b3115f2SLuciano Coelho 14767b3115f2SLuciano Coelho memcpy(cmd->addr, sta->addr, ETH_ALEN); 14777b3115f2SLuciano Coelho cmd->bss_index = WL1271_AP_BSS_INDEX; 14787b3115f2SLuciano Coelho cmd->aid = sta->aid; 14797b3115f2SLuciano Coelho cmd->hlid = hlid; 14807b3115f2SLuciano Coelho cmd->sp_len = sta->max_sp; 14817b3115f2SLuciano Coelho cmd->wmm = sta->wme ? 1 : 0; 1482978cd3a0SEliad Peller cmd->session_id = wl->session_ids[hlid]; 14837b3115f2SLuciano Coelho 14847b3115f2SLuciano Coelho for (i = 0; i < NUM_ACCESS_CATEGORIES_COPY; i++) 14857b3115f2SLuciano Coelho if (sta->wme && (sta->uapsd_queues & BIT(i))) 14862e42c203SYoni Divinsky cmd->psd_type[NUM_ACCESS_CATEGORIES_COPY-1-i] = 14872e42c203SYoni Divinsky WL1271_PSD_UPSD_TRIGGER; 14887b3115f2SLuciano Coelho else 14892e42c203SYoni Divinsky cmd->psd_type[NUM_ACCESS_CATEGORIES_COPY-1-i] = 14902e42c203SYoni Divinsky WL1271_PSD_LEGACY; 14912e42c203SYoni Divinsky 14927b3115f2SLuciano Coelho 14937b3115f2SLuciano Coelho sta_rates = sta->supp_rates[wlvif->band]; 14947b3115f2SLuciano Coelho if (sta->ht_cap.ht_supported) 1495b3a47ee0SArik Nemtsov sta_rates |= 1496b3a47ee0SArik Nemtsov (sta->ht_cap.mcs.rx_mask[0] << HW_HT_RATES_OFFSET) | 1497b3a47ee0SArik Nemtsov (sta->ht_cap.mcs.rx_mask[1] << HW_MIMO_RATES_OFFSET); 14987b3115f2SLuciano Coelho 14997b3115f2SLuciano Coelho cmd->supported_rates = 15007b3115f2SLuciano Coelho cpu_to_le32(wl1271_tx_enabled_rates_get(wl, sta_rates, 15017b3115f2SLuciano Coelho wlvif->band)); 15027b3115f2SLuciano Coelho 15037b3115f2SLuciano Coelho wl1271_debug(DEBUG_CMD, "new peer rates=0x%x queues=0x%x", 15047b3115f2SLuciano Coelho cmd->supported_rates, sta->uapsd_queues); 15057b3115f2SLuciano Coelho 15067b3115f2SLuciano Coelho ret = wl1271_cmd_send(wl, CMD_ADD_PEER, cmd, sizeof(*cmd), 0); 15077b3115f2SLuciano Coelho if (ret < 0) { 15087b3115f2SLuciano Coelho wl1271_error("failed to initiate cmd add peer"); 15097b3115f2SLuciano Coelho goto out_free; 15107b3115f2SLuciano Coelho } 15117b3115f2SLuciano Coelho 15127b3115f2SLuciano Coelho out_free: 15137b3115f2SLuciano Coelho kfree(cmd); 15147b3115f2SLuciano Coelho 15157b3115f2SLuciano Coelho out: 15167b3115f2SLuciano Coelho return ret; 15177b3115f2SLuciano Coelho } 15187b3115f2SLuciano Coelho 15197b3115f2SLuciano Coelho int wl12xx_cmd_remove_peer(struct wl1271 *wl, u8 hlid) 15207b3115f2SLuciano Coelho { 15217b3115f2SLuciano Coelho struct wl12xx_cmd_remove_peer *cmd; 15227b3115f2SLuciano Coelho int ret; 15236c15c1aaSEyal Shapira bool timeout = false; 15247b3115f2SLuciano Coelho 15257b3115f2SLuciano Coelho wl1271_debug(DEBUG_CMD, "cmd remove peer %d", (int)hlid); 15267b3115f2SLuciano Coelho 15277b3115f2SLuciano Coelho cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 15287b3115f2SLuciano Coelho if (!cmd) { 15297b3115f2SLuciano Coelho ret = -ENOMEM; 15307b3115f2SLuciano Coelho goto out; 15317b3115f2SLuciano Coelho } 15327b3115f2SLuciano Coelho 15337b3115f2SLuciano Coelho cmd->hlid = hlid; 15347b3115f2SLuciano Coelho /* We never send a deauth, mac80211 is in charge of this */ 15357b3115f2SLuciano Coelho cmd->reason_opcode = 0; 15367b3115f2SLuciano Coelho cmd->send_deauth_flag = 0; 15377b3115f2SLuciano Coelho 15387b3115f2SLuciano Coelho ret = wl1271_cmd_send(wl, CMD_REMOVE_PEER, cmd, sizeof(*cmd), 0); 15397b3115f2SLuciano Coelho if (ret < 0) { 15407b3115f2SLuciano Coelho wl1271_error("failed to initiate cmd remove peer"); 15417b3115f2SLuciano Coelho goto out_free; 15427b3115f2SLuciano Coelho } 15437b3115f2SLuciano Coelho 1544c50a2825SEliad Peller ret = wl->ops->wait_for_event(wl, 1545c50a2825SEliad Peller WLCORE_EVENT_PEER_REMOVE_COMPLETE, 15466c15c1aaSEyal Shapira &timeout); 1547c50a2825SEliad Peller 15487b3115f2SLuciano Coelho /* 15497b3115f2SLuciano Coelho * We are ok with a timeout here. The event is sometimes not sent 15506c15c1aaSEyal Shapira * due to a firmware bug. In case of another error (like SDIO timeout) 15516c15c1aaSEyal Shapira * queue a recovery. 15527b3115f2SLuciano Coelho */ 15536c15c1aaSEyal Shapira if (ret) 15546c15c1aaSEyal Shapira wl12xx_queue_recovery_work(wl); 15557b3115f2SLuciano Coelho 15567b3115f2SLuciano Coelho out_free: 15577b3115f2SLuciano Coelho kfree(cmd); 15587b3115f2SLuciano Coelho 15597b3115f2SLuciano Coelho out: 15607b3115f2SLuciano Coelho return ret; 15617b3115f2SLuciano Coelho } 15627b3115f2SLuciano Coelho 15636b70e7ebSVictor Goldenshtein static int wlcore_get_reg_conf_ch_idx(enum ieee80211_band band, u16 ch) 15646b70e7ebSVictor Goldenshtein { 15656b70e7ebSVictor Goldenshtein int idx = -1; 15666b70e7ebSVictor Goldenshtein 15676b70e7ebSVictor Goldenshtein switch (band) { 15686b70e7ebSVictor Goldenshtein case IEEE80211_BAND_5GHZ: 15696b70e7ebSVictor Goldenshtein if (ch >= 8 && ch <= 16) 15706b70e7ebSVictor Goldenshtein idx = ((ch-8)/4 + 18); 15716b70e7ebSVictor Goldenshtein else if (ch >= 34 && ch <= 64) 15726b70e7ebSVictor Goldenshtein idx = ((ch-34)/2 + 3 + 18); 15736b70e7ebSVictor Goldenshtein else if (ch >= 100 && ch <= 140) 15746b70e7ebSVictor Goldenshtein idx = ((ch-100)/4 + 15 + 18); 15756b70e7ebSVictor Goldenshtein else if (ch >= 149 && ch <= 165) 15766b70e7ebSVictor Goldenshtein idx = ((ch-149)/4 + 26 + 18); 15776b70e7ebSVictor Goldenshtein else 15786b70e7ebSVictor Goldenshtein idx = -1; 15796b70e7ebSVictor Goldenshtein break; 15806b70e7ebSVictor Goldenshtein case IEEE80211_BAND_2GHZ: 15816b70e7ebSVictor Goldenshtein if (ch >= 1 && ch <= 14) 15826b70e7ebSVictor Goldenshtein idx = ch - 1; 15836b70e7ebSVictor Goldenshtein else 15846b70e7ebSVictor Goldenshtein idx = -1; 15856b70e7ebSVictor Goldenshtein break; 15866b70e7ebSVictor Goldenshtein default: 15876b70e7ebSVictor Goldenshtein wl1271_error("get reg conf ch idx - unknown band: %d", 15886b70e7ebSVictor Goldenshtein (int)band); 15896b70e7ebSVictor Goldenshtein } 15906b70e7ebSVictor Goldenshtein 15916b70e7ebSVictor Goldenshtein return idx; 15926b70e7ebSVictor Goldenshtein } 15936b70e7ebSVictor Goldenshtein 15946b70e7ebSVictor Goldenshtein void wlcore_set_pending_regdomain_ch(struct wl1271 *wl, u16 channel, 15956b70e7ebSVictor Goldenshtein enum ieee80211_band band) 15966b70e7ebSVictor Goldenshtein { 15976b70e7ebSVictor Goldenshtein int ch_bit_idx = 0; 15986b70e7ebSVictor Goldenshtein 15996b70e7ebSVictor Goldenshtein if (!(wl->quirks & WLCORE_QUIRK_REGDOMAIN_CONF)) 16006b70e7ebSVictor Goldenshtein return; 16016b70e7ebSVictor Goldenshtein 16026b70e7ebSVictor Goldenshtein ch_bit_idx = wlcore_get_reg_conf_ch_idx(band, channel); 16036b70e7ebSVictor Goldenshtein 16046b70e7ebSVictor Goldenshtein if (ch_bit_idx > 0 && ch_bit_idx <= WL1271_MAX_CHANNELS) 16056b70e7ebSVictor Goldenshtein set_bit(ch_bit_idx, (long *)wl->reg_ch_conf_pending); 16066b70e7ebSVictor Goldenshtein } 16076b70e7ebSVictor Goldenshtein 16086b70e7ebSVictor Goldenshtein int wlcore_cmd_regdomain_config_locked(struct wl1271 *wl) 16096b70e7ebSVictor Goldenshtein { 16106b70e7ebSVictor Goldenshtein struct wl12xx_cmd_regdomain_dfs_config *cmd = NULL; 16116b70e7ebSVictor Goldenshtein int ret = 0, i, b, ch_bit_idx; 16126b70e7ebSVictor Goldenshtein struct ieee80211_channel *channel; 16136b70e7ebSVictor Goldenshtein u32 tmp_ch_bitmap[2]; 16146b70e7ebSVictor Goldenshtein u16 ch; 16156b70e7ebSVictor Goldenshtein struct wiphy *wiphy = wl->hw->wiphy; 16166b70e7ebSVictor Goldenshtein struct ieee80211_supported_band *band; 16176b70e7ebSVictor Goldenshtein bool timeout = false; 16186b70e7ebSVictor Goldenshtein 16196b70e7ebSVictor Goldenshtein if (!(wl->quirks & WLCORE_QUIRK_REGDOMAIN_CONF)) 16206b70e7ebSVictor Goldenshtein return 0; 16216b70e7ebSVictor Goldenshtein 16226b70e7ebSVictor Goldenshtein wl1271_debug(DEBUG_CMD, "cmd reg domain config"); 16236b70e7ebSVictor Goldenshtein 16246b70e7ebSVictor Goldenshtein memset(tmp_ch_bitmap, 0, sizeof(tmp_ch_bitmap)); 16256b70e7ebSVictor Goldenshtein 16266b70e7ebSVictor Goldenshtein for (b = IEEE80211_BAND_2GHZ; b <= IEEE80211_BAND_5GHZ; b++) { 16276b70e7ebSVictor Goldenshtein band = wiphy->bands[b]; 16286b70e7ebSVictor Goldenshtein for (i = 0; i < band->n_channels; i++) { 16296b70e7ebSVictor Goldenshtein channel = &band->channels[i]; 16306b70e7ebSVictor Goldenshtein ch = channel->hw_value; 16316b70e7ebSVictor Goldenshtein 16326b70e7ebSVictor Goldenshtein if (channel->flags & (IEEE80211_CHAN_DISABLED | 16336b70e7ebSVictor Goldenshtein IEEE80211_CHAN_RADAR | 16346b70e7ebSVictor Goldenshtein IEEE80211_CHAN_PASSIVE_SCAN)) 16356b70e7ebSVictor Goldenshtein continue; 16366b70e7ebSVictor Goldenshtein 16376b70e7ebSVictor Goldenshtein ch_bit_idx = wlcore_get_reg_conf_ch_idx(b, ch); 16386b70e7ebSVictor Goldenshtein if (ch_bit_idx < 0) 16396b70e7ebSVictor Goldenshtein continue; 16406b70e7ebSVictor Goldenshtein 16416b70e7ebSVictor Goldenshtein set_bit(ch_bit_idx, (long *)tmp_ch_bitmap); 16426b70e7ebSVictor Goldenshtein } 16436b70e7ebSVictor Goldenshtein } 16446b70e7ebSVictor Goldenshtein 16456b70e7ebSVictor Goldenshtein tmp_ch_bitmap[0] |= wl->reg_ch_conf_pending[0]; 16466b70e7ebSVictor Goldenshtein tmp_ch_bitmap[1] |= wl->reg_ch_conf_pending[1]; 16476b70e7ebSVictor Goldenshtein 16486b70e7ebSVictor Goldenshtein if (!memcmp(tmp_ch_bitmap, wl->reg_ch_conf_last, sizeof(tmp_ch_bitmap))) 16496b70e7ebSVictor Goldenshtein goto out; 16506b70e7ebSVictor Goldenshtein 16516b70e7ebSVictor Goldenshtein cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 16526b70e7ebSVictor Goldenshtein if (!cmd) { 16536b70e7ebSVictor Goldenshtein ret = -ENOMEM; 16546b70e7ebSVictor Goldenshtein goto out; 16556b70e7ebSVictor Goldenshtein } 16566b70e7ebSVictor Goldenshtein 16576b70e7ebSVictor Goldenshtein cmd->ch_bit_map1 = cpu_to_le32(tmp_ch_bitmap[0]); 16586b70e7ebSVictor Goldenshtein cmd->ch_bit_map2 = cpu_to_le32(tmp_ch_bitmap[1]); 16596b70e7ebSVictor Goldenshtein 16606b70e7ebSVictor Goldenshtein wl1271_debug(DEBUG_CMD, 16616b70e7ebSVictor Goldenshtein "cmd reg domain bitmap1: 0x%08x, bitmap2: 0x%08x", 16626b70e7ebSVictor Goldenshtein cmd->ch_bit_map1, cmd->ch_bit_map2); 16636b70e7ebSVictor Goldenshtein 16646b70e7ebSVictor Goldenshtein ret = wl1271_cmd_send(wl, CMD_DFS_CHANNEL_CONFIG, cmd, sizeof(*cmd), 0); 16656b70e7ebSVictor Goldenshtein if (ret < 0) { 16666b70e7ebSVictor Goldenshtein wl1271_error("failed to send reg domain dfs config"); 16676b70e7ebSVictor Goldenshtein goto out; 16686b70e7ebSVictor Goldenshtein } 16696b70e7ebSVictor Goldenshtein 16706b70e7ebSVictor Goldenshtein ret = wl->ops->wait_for_event(wl, 16716b70e7ebSVictor Goldenshtein WLCORE_EVENT_DFS_CONFIG_COMPLETE, 16726b70e7ebSVictor Goldenshtein &timeout); 16736b70e7ebSVictor Goldenshtein if (ret < 0 || timeout) { 16746b70e7ebSVictor Goldenshtein wl1271_error("reg domain conf %serror", 16756b70e7ebSVictor Goldenshtein timeout ? "completion " : ""); 16766b70e7ebSVictor Goldenshtein ret = timeout ? -ETIMEDOUT : ret; 16776b70e7ebSVictor Goldenshtein goto out; 16786b70e7ebSVictor Goldenshtein } 16796b70e7ebSVictor Goldenshtein 16806b70e7ebSVictor Goldenshtein memcpy(wl->reg_ch_conf_last, tmp_ch_bitmap, sizeof(tmp_ch_bitmap)); 16816b70e7ebSVictor Goldenshtein memset(wl->reg_ch_conf_pending, 0, sizeof(wl->reg_ch_conf_pending)); 16826b70e7ebSVictor Goldenshtein 16836b70e7ebSVictor Goldenshtein out: 16846b70e7ebSVictor Goldenshtein kfree(cmd); 16856b70e7ebSVictor Goldenshtein return ret; 16866b70e7ebSVictor Goldenshtein } 16876b70e7ebSVictor Goldenshtein 16887b3115f2SLuciano Coelho int wl12xx_cmd_config_fwlog(struct wl1271 *wl) 16897b3115f2SLuciano Coelho { 16907b3115f2SLuciano Coelho struct wl12xx_cmd_config_fwlog *cmd; 16917b3115f2SLuciano Coelho int ret = 0; 16927b3115f2SLuciano Coelho 16937b3115f2SLuciano Coelho wl1271_debug(DEBUG_CMD, "cmd config firmware logger"); 16947b3115f2SLuciano Coelho 16957b3115f2SLuciano Coelho cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 16967b3115f2SLuciano Coelho if (!cmd) { 16977b3115f2SLuciano Coelho ret = -ENOMEM; 16987b3115f2SLuciano Coelho goto out; 16997b3115f2SLuciano Coelho } 17007b3115f2SLuciano Coelho 17017b3115f2SLuciano Coelho cmd->logger_mode = wl->conf.fwlog.mode; 17027b3115f2SLuciano Coelho cmd->log_severity = wl->conf.fwlog.severity; 17037b3115f2SLuciano Coelho cmd->timestamp = wl->conf.fwlog.timestamp; 17047b3115f2SLuciano Coelho cmd->output = wl->conf.fwlog.output; 17057b3115f2SLuciano Coelho cmd->threshold = wl->conf.fwlog.threshold; 17067b3115f2SLuciano Coelho 17077b3115f2SLuciano Coelho ret = wl1271_cmd_send(wl, CMD_CONFIG_FWLOGGER, cmd, sizeof(*cmd), 0); 17087b3115f2SLuciano Coelho if (ret < 0) { 17097b3115f2SLuciano Coelho wl1271_error("failed to send config firmware logger command"); 17107b3115f2SLuciano Coelho goto out_free; 17117b3115f2SLuciano Coelho } 17127b3115f2SLuciano Coelho 17137b3115f2SLuciano Coelho out_free: 17147b3115f2SLuciano Coelho kfree(cmd); 17157b3115f2SLuciano Coelho 17167b3115f2SLuciano Coelho out: 17177b3115f2SLuciano Coelho return ret; 17187b3115f2SLuciano Coelho } 17197b3115f2SLuciano Coelho 17207b3115f2SLuciano Coelho int wl12xx_cmd_start_fwlog(struct wl1271 *wl) 17217b3115f2SLuciano Coelho { 17227b3115f2SLuciano Coelho struct wl12xx_cmd_start_fwlog *cmd; 17237b3115f2SLuciano Coelho int ret = 0; 17247b3115f2SLuciano Coelho 17257b3115f2SLuciano Coelho wl1271_debug(DEBUG_CMD, "cmd start firmware logger"); 17267b3115f2SLuciano Coelho 17277b3115f2SLuciano Coelho cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 17287b3115f2SLuciano Coelho if (!cmd) { 17297b3115f2SLuciano Coelho ret = -ENOMEM; 17307b3115f2SLuciano Coelho goto out; 17317b3115f2SLuciano Coelho } 17327b3115f2SLuciano Coelho 17337b3115f2SLuciano Coelho ret = wl1271_cmd_send(wl, CMD_START_FWLOGGER, cmd, sizeof(*cmd), 0); 17347b3115f2SLuciano Coelho if (ret < 0) { 17357b3115f2SLuciano Coelho wl1271_error("failed to send start firmware logger command"); 17367b3115f2SLuciano Coelho goto out_free; 17377b3115f2SLuciano Coelho } 17387b3115f2SLuciano Coelho 17397b3115f2SLuciano Coelho out_free: 17407b3115f2SLuciano Coelho kfree(cmd); 17417b3115f2SLuciano Coelho 17427b3115f2SLuciano Coelho out: 17437b3115f2SLuciano Coelho return ret; 17447b3115f2SLuciano Coelho } 17457b3115f2SLuciano Coelho 17467b3115f2SLuciano Coelho int wl12xx_cmd_stop_fwlog(struct wl1271 *wl) 17477b3115f2SLuciano Coelho { 17487b3115f2SLuciano Coelho struct wl12xx_cmd_stop_fwlog *cmd; 17497b3115f2SLuciano Coelho int ret = 0; 17507b3115f2SLuciano Coelho 17517b3115f2SLuciano Coelho wl1271_debug(DEBUG_CMD, "cmd stop firmware logger"); 17527b3115f2SLuciano Coelho 17537b3115f2SLuciano Coelho cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 17547b3115f2SLuciano Coelho if (!cmd) { 17557b3115f2SLuciano Coelho ret = -ENOMEM; 17567b3115f2SLuciano Coelho goto out; 17577b3115f2SLuciano Coelho } 17587b3115f2SLuciano Coelho 17597b3115f2SLuciano Coelho ret = wl1271_cmd_send(wl, CMD_STOP_FWLOGGER, cmd, sizeof(*cmd), 0); 17607b3115f2SLuciano Coelho if (ret < 0) { 17617b3115f2SLuciano Coelho wl1271_error("failed to send stop firmware logger command"); 17627b3115f2SLuciano Coelho goto out_free; 17637b3115f2SLuciano Coelho } 17647b3115f2SLuciano Coelho 17657b3115f2SLuciano Coelho out_free: 17667b3115f2SLuciano Coelho kfree(cmd); 17677b3115f2SLuciano Coelho 17687b3115f2SLuciano Coelho out: 17697b3115f2SLuciano Coelho return ret; 17707b3115f2SLuciano Coelho } 17717b3115f2SLuciano Coelho 17727b3115f2SLuciano Coelho static int wl12xx_cmd_roc(struct wl1271 *wl, struct wl12xx_vif *wlvif, 1773dabf37dbSEliad Peller u8 role_id, enum ieee80211_band band, u8 channel) 17747b3115f2SLuciano Coelho { 17757b3115f2SLuciano Coelho struct wl12xx_cmd_roc *cmd; 17767b3115f2SLuciano Coelho int ret = 0; 17777b3115f2SLuciano Coelho 1778dabf37dbSEliad Peller wl1271_debug(DEBUG_CMD, "cmd roc %d (%d)", channel, role_id); 17797b3115f2SLuciano Coelho 17807b3115f2SLuciano Coelho if (WARN_ON(role_id == WL12XX_INVALID_ROLE_ID)) 17817b3115f2SLuciano Coelho return -EINVAL; 17827b3115f2SLuciano Coelho 17837b3115f2SLuciano Coelho cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 17847b3115f2SLuciano Coelho if (!cmd) { 17857b3115f2SLuciano Coelho ret = -ENOMEM; 17867b3115f2SLuciano Coelho goto out; 17877b3115f2SLuciano Coelho } 17887b3115f2SLuciano Coelho 17897b3115f2SLuciano Coelho cmd->role_id = role_id; 1790dabf37dbSEliad Peller cmd->channel = channel; 1791dabf37dbSEliad Peller switch (band) { 17927b3115f2SLuciano Coelho case IEEE80211_BAND_2GHZ: 179300782136SLuciano Coelho cmd->band = WLCORE_BAND_2_4GHZ; 17947b3115f2SLuciano Coelho break; 17957b3115f2SLuciano Coelho case IEEE80211_BAND_5GHZ: 179600782136SLuciano Coelho cmd->band = WLCORE_BAND_5GHZ; 17977b3115f2SLuciano Coelho break; 17987b3115f2SLuciano Coelho default: 17997b3115f2SLuciano Coelho wl1271_error("roc - unknown band: %d", (int)wlvif->band); 18007b3115f2SLuciano Coelho ret = -EINVAL; 18017b3115f2SLuciano Coelho goto out_free; 18027b3115f2SLuciano Coelho } 18037b3115f2SLuciano Coelho 18047b3115f2SLuciano Coelho 18057b3115f2SLuciano Coelho ret = wl1271_cmd_send(wl, CMD_REMAIN_ON_CHANNEL, cmd, sizeof(*cmd), 0); 18067b3115f2SLuciano Coelho if (ret < 0) { 18077b3115f2SLuciano Coelho wl1271_error("failed to send ROC command"); 18087b3115f2SLuciano Coelho goto out_free; 18097b3115f2SLuciano Coelho } 18107b3115f2SLuciano Coelho 18117b3115f2SLuciano Coelho out_free: 18127b3115f2SLuciano Coelho kfree(cmd); 18137b3115f2SLuciano Coelho 18147b3115f2SLuciano Coelho out: 18157b3115f2SLuciano Coelho return ret; 18167b3115f2SLuciano Coelho } 18177b3115f2SLuciano Coelho 18187b3115f2SLuciano Coelho static int wl12xx_cmd_croc(struct wl1271 *wl, u8 role_id) 18197b3115f2SLuciano Coelho { 18207b3115f2SLuciano Coelho struct wl12xx_cmd_croc *cmd; 18217b3115f2SLuciano Coelho int ret = 0; 18227b3115f2SLuciano Coelho 18237b3115f2SLuciano Coelho wl1271_debug(DEBUG_CMD, "cmd croc (%d)", role_id); 18247b3115f2SLuciano Coelho 18257b3115f2SLuciano Coelho cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 18267b3115f2SLuciano Coelho if (!cmd) { 18277b3115f2SLuciano Coelho ret = -ENOMEM; 18287b3115f2SLuciano Coelho goto out; 18297b3115f2SLuciano Coelho } 18307b3115f2SLuciano Coelho cmd->role_id = role_id; 18317b3115f2SLuciano Coelho 18327b3115f2SLuciano Coelho ret = wl1271_cmd_send(wl, CMD_CANCEL_REMAIN_ON_CHANNEL, cmd, 18337b3115f2SLuciano Coelho sizeof(*cmd), 0); 18347b3115f2SLuciano Coelho if (ret < 0) { 18357b3115f2SLuciano Coelho wl1271_error("failed to send ROC command"); 18367b3115f2SLuciano Coelho goto out_free; 18377b3115f2SLuciano Coelho } 18387b3115f2SLuciano Coelho 18397b3115f2SLuciano Coelho out_free: 18407b3115f2SLuciano Coelho kfree(cmd); 18417b3115f2SLuciano Coelho 18427b3115f2SLuciano Coelho out: 18437b3115f2SLuciano Coelho return ret; 18447b3115f2SLuciano Coelho } 18457b3115f2SLuciano Coelho 1846dabf37dbSEliad Peller int wl12xx_roc(struct wl1271 *wl, struct wl12xx_vif *wlvif, u8 role_id, 1847dabf37dbSEliad Peller enum ieee80211_band band, u8 channel) 18487b3115f2SLuciano Coelho { 18497b3115f2SLuciano Coelho int ret = 0; 18507b3115f2SLuciano Coelho 18517b3115f2SLuciano Coelho if (WARN_ON(test_bit(role_id, wl->roc_map))) 18527b3115f2SLuciano Coelho return 0; 18537b3115f2SLuciano Coelho 1854dabf37dbSEliad Peller ret = wl12xx_cmd_roc(wl, wlvif, role_id, band, channel); 18557b3115f2SLuciano Coelho if (ret < 0) 18567b3115f2SLuciano Coelho goto out; 18577b3115f2SLuciano Coelho 18587b3115f2SLuciano Coelho __set_bit(role_id, wl->roc_map); 18597b3115f2SLuciano Coelho out: 18607b3115f2SLuciano Coelho return ret; 18617b3115f2SLuciano Coelho } 18627b3115f2SLuciano Coelho 18637b3115f2SLuciano Coelho int wl12xx_croc(struct wl1271 *wl, u8 role_id) 18647b3115f2SLuciano Coelho { 18657b3115f2SLuciano Coelho int ret = 0; 18667b3115f2SLuciano Coelho 18677b3115f2SLuciano Coelho if (WARN_ON(!test_bit(role_id, wl->roc_map))) 18687b3115f2SLuciano Coelho return 0; 18697b3115f2SLuciano Coelho 18707b3115f2SLuciano Coelho ret = wl12xx_cmd_croc(wl, role_id); 18717b3115f2SLuciano Coelho if (ret < 0) 18727b3115f2SLuciano Coelho goto out; 18737b3115f2SLuciano Coelho 18747b3115f2SLuciano Coelho __clear_bit(role_id, wl->roc_map); 18757b3115f2SLuciano Coelho 18767b3115f2SLuciano Coelho /* 18777b3115f2SLuciano Coelho * Rearm the tx watchdog when removing the last ROC. This prevents 18787b3115f2SLuciano Coelho * recoveries due to just finished ROCs - when Tx hasn't yet had 18797b3115f2SLuciano Coelho * a chance to get out. 18807b3115f2SLuciano Coelho */ 18817b3115f2SLuciano Coelho if (find_first_bit(wl->roc_map, WL12XX_MAX_ROLES) >= WL12XX_MAX_ROLES) 18827b3115f2SLuciano Coelho wl12xx_rearm_tx_watchdog_locked(wl); 18837b3115f2SLuciano Coelho out: 18847b3115f2SLuciano Coelho return ret; 18857b3115f2SLuciano Coelho } 18867b3115f2SLuciano Coelho 1887fcab1890SEliad Peller int wl12xx_cmd_stop_channel_switch(struct wl1271 *wl, struct wl12xx_vif *wlvif) 18887b3115f2SLuciano Coelho { 18897b3115f2SLuciano Coelho struct wl12xx_cmd_stop_channel_switch *cmd; 18907b3115f2SLuciano Coelho int ret; 18917b3115f2SLuciano Coelho 18927b3115f2SLuciano Coelho wl1271_debug(DEBUG_ACX, "cmd stop channel switch"); 18937b3115f2SLuciano Coelho 18947b3115f2SLuciano Coelho cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 18957b3115f2SLuciano Coelho if (!cmd) { 18967b3115f2SLuciano Coelho ret = -ENOMEM; 18977b3115f2SLuciano Coelho goto out; 18987b3115f2SLuciano Coelho } 18997b3115f2SLuciano Coelho 1900fcab1890SEliad Peller cmd->role_id = wlvif->role_id; 1901fcab1890SEliad Peller 19027b3115f2SLuciano Coelho ret = wl1271_cmd_send(wl, CMD_STOP_CHANNEL_SWICTH, cmd, sizeof(*cmd), 0); 19037b3115f2SLuciano Coelho if (ret < 0) { 19047b3115f2SLuciano Coelho wl1271_error("failed to stop channel switch command"); 19057b3115f2SLuciano Coelho goto out_free; 19067b3115f2SLuciano Coelho } 19077b3115f2SLuciano Coelho 19087b3115f2SLuciano Coelho out_free: 19097b3115f2SLuciano Coelho kfree(cmd); 19107b3115f2SLuciano Coelho 19117b3115f2SLuciano Coelho out: 19127b3115f2SLuciano Coelho return ret; 19137b3115f2SLuciano Coelho } 19147b3115f2SLuciano Coelho 19157b3115f2SLuciano Coelho /* start dev role and roc on its channel */ 1916dabf37dbSEliad Peller int wl12xx_start_dev(struct wl1271 *wl, struct wl12xx_vif *wlvif, 1917dabf37dbSEliad Peller enum ieee80211_band band, int channel) 19187b3115f2SLuciano Coelho { 19197b3115f2SLuciano Coelho int ret; 19207b3115f2SLuciano Coelho 19217b3115f2SLuciano Coelho if (WARN_ON(!(wlvif->bss_type == BSS_TYPE_STA_BSS || 19227b3115f2SLuciano Coelho wlvif->bss_type == BSS_TYPE_IBSS))) 19237b3115f2SLuciano Coelho return -EINVAL; 19247b3115f2SLuciano Coelho 1925889300faSEliad Peller ret = wl12xx_cmd_role_enable(wl, 1926889300faSEliad Peller wl12xx_wlvif_to_vif(wlvif)->addr, 1927889300faSEliad Peller WL1271_ROLE_DEVICE, 1928889300faSEliad Peller &wlvif->dev_role_id); 19297b3115f2SLuciano Coelho if (ret < 0) 19307b3115f2SLuciano Coelho goto out; 19317b3115f2SLuciano Coelho 1932dabf37dbSEliad Peller ret = wl12xx_cmd_role_start_dev(wl, wlvif, band, channel); 1933889300faSEliad Peller if (ret < 0) 1934889300faSEliad Peller goto out_disable; 1935889300faSEliad Peller 1936dabf37dbSEliad Peller ret = wl12xx_roc(wl, wlvif, wlvif->dev_role_id, band, channel); 19377b3115f2SLuciano Coelho if (ret < 0) 19387b3115f2SLuciano Coelho goto out_stop; 19397b3115f2SLuciano Coelho 19407b3115f2SLuciano Coelho return 0; 19417b3115f2SLuciano Coelho 19427b3115f2SLuciano Coelho out_stop: 19437b3115f2SLuciano Coelho wl12xx_cmd_role_stop_dev(wl, wlvif); 1944889300faSEliad Peller out_disable: 1945889300faSEliad Peller wl12xx_cmd_role_disable(wl, &wlvif->dev_role_id); 19467b3115f2SLuciano Coelho out: 19477b3115f2SLuciano Coelho return ret; 19487b3115f2SLuciano Coelho } 19497b3115f2SLuciano Coelho 19507b3115f2SLuciano Coelho /* croc dev hlid, and stop the role */ 19517b3115f2SLuciano Coelho int wl12xx_stop_dev(struct wl1271 *wl, struct wl12xx_vif *wlvif) 19527b3115f2SLuciano Coelho { 19537b3115f2SLuciano Coelho int ret; 19547b3115f2SLuciano Coelho 19557b3115f2SLuciano Coelho if (WARN_ON(!(wlvif->bss_type == BSS_TYPE_STA_BSS || 19567b3115f2SLuciano Coelho wlvif->bss_type == BSS_TYPE_IBSS))) 19577b3115f2SLuciano Coelho return -EINVAL; 19587b3115f2SLuciano Coelho 19597b3115f2SLuciano Coelho /* flush all pending packets */ 1960eb96f841SIdo Yariv ret = wlcore_tx_work_locked(wl); 1961eb96f841SIdo Yariv if (ret < 0) 1962eb96f841SIdo Yariv goto out; 19637b3115f2SLuciano Coelho 19647b3115f2SLuciano Coelho if (test_bit(wlvif->dev_role_id, wl->roc_map)) { 19657b3115f2SLuciano Coelho ret = wl12xx_croc(wl, wlvif->dev_role_id); 19667b3115f2SLuciano Coelho if (ret < 0) 19677b3115f2SLuciano Coelho goto out; 19687b3115f2SLuciano Coelho } 19697b3115f2SLuciano Coelho 19707b3115f2SLuciano Coelho ret = wl12xx_cmd_role_stop_dev(wl, wlvif); 19717b3115f2SLuciano Coelho if (ret < 0) 19727b3115f2SLuciano Coelho goto out; 1973889300faSEliad Peller 1974889300faSEliad Peller ret = wl12xx_cmd_role_disable(wl, &wlvif->dev_role_id); 1975889300faSEliad Peller if (ret < 0) 1976889300faSEliad Peller goto out; 1977889300faSEliad Peller 19787b3115f2SLuciano Coelho out: 19797b3115f2SLuciano Coelho return ret; 19807b3115f2SLuciano Coelho } 1981