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 317b3115f2SLuciano Coelho #include "wl12xx.h" 327b3115f2SLuciano Coelho #include "debug.h" 337b3115f2SLuciano Coelho #include "reg.h" 347b3115f2SLuciano Coelho #include "io.h" 357b3115f2SLuciano Coelho #include "acx.h" 367b3115f2SLuciano Coelho #include "wl12xx_80211.h" 377b3115f2SLuciano Coelho #include "cmd.h" 387b3115f2SLuciano Coelho #include "event.h" 397b3115f2SLuciano Coelho #include "tx.h" 407b3115f2SLuciano Coelho 417b3115f2SLuciano Coelho #define WL1271_CMD_FAST_POLL_COUNT 50 427b3115f2SLuciano Coelho 437b3115f2SLuciano Coelho /* 447b3115f2SLuciano Coelho * send command to firmware 457b3115f2SLuciano Coelho * 467b3115f2SLuciano Coelho * @wl: wl struct 477b3115f2SLuciano Coelho * @id: command id 487b3115f2SLuciano Coelho * @buf: buffer containing the command, must work with dma 497b3115f2SLuciano Coelho * @len: length of the buffer 507b3115f2SLuciano Coelho */ 517b3115f2SLuciano Coelho int wl1271_cmd_send(struct wl1271 *wl, u16 id, void *buf, size_t len, 527b3115f2SLuciano Coelho size_t res_len) 537b3115f2SLuciano Coelho { 547b3115f2SLuciano Coelho struct wl1271_cmd_header *cmd; 557b3115f2SLuciano Coelho unsigned long timeout; 567b3115f2SLuciano Coelho u32 intr; 577b3115f2SLuciano Coelho int ret = 0; 587b3115f2SLuciano Coelho u16 status; 597b3115f2SLuciano Coelho u16 poll_count = 0; 607b3115f2SLuciano Coelho 617b3115f2SLuciano Coelho cmd = buf; 627b3115f2SLuciano Coelho cmd->id = cpu_to_le16(id); 637b3115f2SLuciano Coelho cmd->status = 0; 647b3115f2SLuciano Coelho 657b3115f2SLuciano Coelho WARN_ON(len % 4 != 0); 667b3115f2SLuciano Coelho WARN_ON(test_bit(WL1271_FLAG_IN_ELP, &wl->flags)); 677b3115f2SLuciano Coelho 687b3115f2SLuciano Coelho wl1271_write(wl, wl->cmd_box_addr, buf, len, false); 697b3115f2SLuciano Coelho 707b3115f2SLuciano Coelho wl1271_write32(wl, ACX_REG_INTERRUPT_TRIG, INTR_TRIG_CMD); 717b3115f2SLuciano Coelho 727b3115f2SLuciano Coelho timeout = jiffies + msecs_to_jiffies(WL1271_COMMAND_TIMEOUT); 737b3115f2SLuciano Coelho 747b3115f2SLuciano Coelho intr = wl1271_read32(wl, ACX_REG_INTERRUPT_NO_CLEAR); 757b3115f2SLuciano Coelho while (!(intr & WL1271_ACX_INTR_CMD_COMPLETE)) { 767b3115f2SLuciano Coelho if (time_after(jiffies, timeout)) { 777b3115f2SLuciano Coelho wl1271_error("command complete timeout"); 787b3115f2SLuciano Coelho ret = -ETIMEDOUT; 797b3115f2SLuciano Coelho goto fail; 807b3115f2SLuciano Coelho } 817b3115f2SLuciano Coelho 827b3115f2SLuciano Coelho poll_count++; 837b3115f2SLuciano Coelho if (poll_count < WL1271_CMD_FAST_POLL_COUNT) 847b3115f2SLuciano Coelho udelay(10); 857b3115f2SLuciano Coelho else 867b3115f2SLuciano Coelho msleep(1); 877b3115f2SLuciano Coelho 887b3115f2SLuciano Coelho intr = wl1271_read32(wl, ACX_REG_INTERRUPT_NO_CLEAR); 897b3115f2SLuciano Coelho } 907b3115f2SLuciano Coelho 917b3115f2SLuciano Coelho /* read back the status code of the command */ 927b3115f2SLuciano Coelho if (res_len == 0) 937b3115f2SLuciano Coelho res_len = sizeof(struct wl1271_cmd_header); 947b3115f2SLuciano Coelho wl1271_read(wl, wl->cmd_box_addr, cmd, res_len, false); 957b3115f2SLuciano Coelho 967b3115f2SLuciano Coelho status = le16_to_cpu(cmd->status); 977b3115f2SLuciano Coelho if (status != CMD_STATUS_SUCCESS) { 987b3115f2SLuciano Coelho wl1271_error("command execute failure %d", status); 997b3115f2SLuciano Coelho ret = -EIO; 1007b3115f2SLuciano Coelho goto fail; 1017b3115f2SLuciano Coelho } 1027b3115f2SLuciano Coelho 1037b3115f2SLuciano Coelho wl1271_write32(wl, ACX_REG_INTERRUPT_ACK, 1047b3115f2SLuciano Coelho WL1271_ACX_INTR_CMD_COMPLETE); 1057b3115f2SLuciano Coelho return 0; 1067b3115f2SLuciano Coelho 1077b3115f2SLuciano Coelho fail: 1087b3115f2SLuciano Coelho WARN_ON(1); 1097b3115f2SLuciano Coelho wl12xx_queue_recovery_work(wl); 1107b3115f2SLuciano Coelho return ret; 1117b3115f2SLuciano Coelho } 1127b3115f2SLuciano Coelho 1137b3115f2SLuciano Coelho int wl1271_cmd_general_parms(struct wl1271 *wl) 1147b3115f2SLuciano Coelho { 1157b3115f2SLuciano Coelho struct wl1271_general_parms_cmd *gen_parms; 1167b3115f2SLuciano Coelho struct wl1271_ini_general_params *gp = 1177b3115f2SLuciano Coelho &((struct wl1271_nvs_file *)wl->nvs)->general_params; 1187b3115f2SLuciano Coelho bool answer = false; 1197b3115f2SLuciano Coelho int ret; 1207b3115f2SLuciano Coelho 1217b3115f2SLuciano Coelho if (!wl->nvs) 1227b3115f2SLuciano Coelho return -ENODEV; 1237b3115f2SLuciano Coelho 1247b3115f2SLuciano Coelho if (gp->tx_bip_fem_manufacturer >= WL1271_INI_FEM_MODULE_COUNT) { 1257b3115f2SLuciano Coelho wl1271_warning("FEM index from INI out of bounds"); 1267b3115f2SLuciano Coelho return -EINVAL; 1277b3115f2SLuciano Coelho } 1287b3115f2SLuciano Coelho 1297b3115f2SLuciano Coelho gen_parms = kzalloc(sizeof(*gen_parms), GFP_KERNEL); 1307b3115f2SLuciano Coelho if (!gen_parms) 1317b3115f2SLuciano Coelho return -ENOMEM; 1327b3115f2SLuciano Coelho 1337b3115f2SLuciano Coelho gen_parms->test.id = TEST_CMD_INI_FILE_GENERAL_PARAM; 1347b3115f2SLuciano Coelho 1357b3115f2SLuciano Coelho memcpy(&gen_parms->general_params, gp, sizeof(*gp)); 1367b3115f2SLuciano Coelho 1377b3115f2SLuciano Coelho if (gp->tx_bip_fem_auto_detect) 1387b3115f2SLuciano Coelho answer = true; 1397b3115f2SLuciano Coelho 1407b3115f2SLuciano Coelho /* Override the REF CLK from the NVS with the one from platform data */ 1417b3115f2SLuciano Coelho gen_parms->general_params.ref_clock = wl->ref_clock; 1427b3115f2SLuciano Coelho 1437b3115f2SLuciano Coelho ret = wl1271_cmd_test(wl, gen_parms, sizeof(*gen_parms), answer); 1447b3115f2SLuciano Coelho if (ret < 0) { 1457b3115f2SLuciano Coelho wl1271_warning("CMD_INI_FILE_GENERAL_PARAM failed"); 1467b3115f2SLuciano Coelho goto out; 1477b3115f2SLuciano Coelho } 1487b3115f2SLuciano Coelho 1497b3115f2SLuciano Coelho gp->tx_bip_fem_manufacturer = 1507b3115f2SLuciano Coelho gen_parms->general_params.tx_bip_fem_manufacturer; 1517b3115f2SLuciano Coelho 1527b3115f2SLuciano Coelho if (gp->tx_bip_fem_manufacturer >= WL1271_INI_FEM_MODULE_COUNT) { 1537b3115f2SLuciano Coelho wl1271_warning("FEM index from FW out of bounds"); 1547b3115f2SLuciano Coelho ret = -EINVAL; 1557b3115f2SLuciano Coelho goto out; 1567b3115f2SLuciano Coelho } 1577b3115f2SLuciano Coelho 1587b3115f2SLuciano Coelho wl1271_debug(DEBUG_CMD, "FEM autodetect: %s, manufacturer: %d\n", 1597b3115f2SLuciano Coelho answer ? "auto" : "manual", gp->tx_bip_fem_manufacturer); 1607b3115f2SLuciano Coelho 1617b3115f2SLuciano Coelho out: 1627b3115f2SLuciano Coelho kfree(gen_parms); 1637b3115f2SLuciano Coelho return ret; 1647b3115f2SLuciano Coelho } 1657b3115f2SLuciano Coelho 1667b3115f2SLuciano Coelho int wl128x_cmd_general_parms(struct wl1271 *wl) 1677b3115f2SLuciano Coelho { 1687b3115f2SLuciano Coelho struct wl128x_general_parms_cmd *gen_parms; 1697b3115f2SLuciano Coelho struct wl128x_ini_general_params *gp = 1707b3115f2SLuciano Coelho &((struct wl128x_nvs_file *)wl->nvs)->general_params; 1717b3115f2SLuciano Coelho bool answer = false; 1727b3115f2SLuciano Coelho int ret; 1737b3115f2SLuciano Coelho 1747b3115f2SLuciano Coelho if (!wl->nvs) 1757b3115f2SLuciano Coelho return -ENODEV; 1767b3115f2SLuciano Coelho 1777b3115f2SLuciano Coelho if (gp->tx_bip_fem_manufacturer >= WL1271_INI_FEM_MODULE_COUNT) { 1787b3115f2SLuciano Coelho wl1271_warning("FEM index from ini out of bounds"); 1797b3115f2SLuciano Coelho return -EINVAL; 1807b3115f2SLuciano Coelho } 1817b3115f2SLuciano Coelho 1827b3115f2SLuciano Coelho gen_parms = kzalloc(sizeof(*gen_parms), GFP_KERNEL); 1837b3115f2SLuciano Coelho if (!gen_parms) 1847b3115f2SLuciano Coelho return -ENOMEM; 1857b3115f2SLuciano Coelho 1867b3115f2SLuciano Coelho gen_parms->test.id = TEST_CMD_INI_FILE_GENERAL_PARAM; 1877b3115f2SLuciano Coelho 1887b3115f2SLuciano Coelho memcpy(&gen_parms->general_params, gp, sizeof(*gp)); 1897b3115f2SLuciano Coelho 1907b3115f2SLuciano Coelho if (gp->tx_bip_fem_auto_detect) 1917b3115f2SLuciano Coelho answer = true; 1927b3115f2SLuciano Coelho 1937b3115f2SLuciano Coelho /* Replace REF and TCXO CLKs with the ones from platform data */ 1947b3115f2SLuciano Coelho gen_parms->general_params.ref_clock = wl->ref_clock; 1957b3115f2SLuciano Coelho gen_parms->general_params.tcxo_ref_clock = wl->tcxo_clock; 1967b3115f2SLuciano Coelho 1977b3115f2SLuciano Coelho ret = wl1271_cmd_test(wl, gen_parms, sizeof(*gen_parms), answer); 1987b3115f2SLuciano Coelho if (ret < 0) { 1997b3115f2SLuciano Coelho wl1271_warning("CMD_INI_FILE_GENERAL_PARAM failed"); 2007b3115f2SLuciano Coelho goto out; 2017b3115f2SLuciano Coelho } 2027b3115f2SLuciano Coelho 2037b3115f2SLuciano Coelho gp->tx_bip_fem_manufacturer = 2047b3115f2SLuciano Coelho gen_parms->general_params.tx_bip_fem_manufacturer; 2057b3115f2SLuciano Coelho 2067b3115f2SLuciano Coelho if (gp->tx_bip_fem_manufacturer >= WL1271_INI_FEM_MODULE_COUNT) { 2077b3115f2SLuciano Coelho wl1271_warning("FEM index from FW out of bounds"); 2087b3115f2SLuciano Coelho ret = -EINVAL; 2097b3115f2SLuciano Coelho goto out; 2107b3115f2SLuciano Coelho } 2117b3115f2SLuciano Coelho 2127b3115f2SLuciano Coelho wl1271_debug(DEBUG_CMD, "FEM autodetect: %s, manufacturer: %d\n", 2137b3115f2SLuciano Coelho answer ? "auto" : "manual", gp->tx_bip_fem_manufacturer); 2147b3115f2SLuciano Coelho 2157b3115f2SLuciano Coelho out: 2167b3115f2SLuciano Coelho kfree(gen_parms); 2177b3115f2SLuciano Coelho return ret; 2187b3115f2SLuciano Coelho } 2197b3115f2SLuciano Coelho 2207b3115f2SLuciano Coelho int wl1271_cmd_radio_parms(struct wl1271 *wl) 2217b3115f2SLuciano Coelho { 2227b3115f2SLuciano Coelho struct wl1271_nvs_file *nvs = (struct wl1271_nvs_file *)wl->nvs; 2237b3115f2SLuciano Coelho struct wl1271_radio_parms_cmd *radio_parms; 2247b3115f2SLuciano Coelho struct wl1271_ini_general_params *gp = &nvs->general_params; 2257b3115f2SLuciano Coelho int ret; 2267b3115f2SLuciano Coelho 2277b3115f2SLuciano Coelho if (!wl->nvs) 2287b3115f2SLuciano Coelho return -ENODEV; 2297b3115f2SLuciano Coelho 2307b3115f2SLuciano Coelho radio_parms = kzalloc(sizeof(*radio_parms), GFP_KERNEL); 2317b3115f2SLuciano Coelho if (!radio_parms) 2327b3115f2SLuciano Coelho return -ENOMEM; 2337b3115f2SLuciano Coelho 2347b3115f2SLuciano Coelho radio_parms->test.id = TEST_CMD_INI_FILE_RADIO_PARAM; 2357b3115f2SLuciano Coelho 2367b3115f2SLuciano Coelho /* 2.4GHz parameters */ 2377b3115f2SLuciano Coelho memcpy(&radio_parms->static_params_2, &nvs->stat_radio_params_2, 2387b3115f2SLuciano Coelho sizeof(struct wl1271_ini_band_params_2)); 2397b3115f2SLuciano Coelho memcpy(&radio_parms->dyn_params_2, 2407b3115f2SLuciano Coelho &nvs->dyn_radio_params_2[gp->tx_bip_fem_manufacturer].params, 2417b3115f2SLuciano Coelho sizeof(struct wl1271_ini_fem_params_2)); 2427b3115f2SLuciano Coelho 2437b3115f2SLuciano Coelho /* 5GHz parameters */ 2447b3115f2SLuciano Coelho memcpy(&radio_parms->static_params_5, 2457b3115f2SLuciano Coelho &nvs->stat_radio_params_5, 2467b3115f2SLuciano Coelho sizeof(struct wl1271_ini_band_params_5)); 2477b3115f2SLuciano Coelho memcpy(&radio_parms->dyn_params_5, 2487b3115f2SLuciano Coelho &nvs->dyn_radio_params_5[gp->tx_bip_fem_manufacturer].params, 2497b3115f2SLuciano Coelho sizeof(struct wl1271_ini_fem_params_5)); 2507b3115f2SLuciano Coelho 2517b3115f2SLuciano Coelho wl1271_dump(DEBUG_CMD, "TEST_CMD_INI_FILE_RADIO_PARAM: ", 2527b3115f2SLuciano Coelho radio_parms, sizeof(*radio_parms)); 2537b3115f2SLuciano Coelho 2547b3115f2SLuciano Coelho ret = wl1271_cmd_test(wl, radio_parms, sizeof(*radio_parms), 0); 2557b3115f2SLuciano Coelho if (ret < 0) 2567b3115f2SLuciano Coelho wl1271_warning("CMD_INI_FILE_RADIO_PARAM failed"); 2577b3115f2SLuciano Coelho 2587b3115f2SLuciano Coelho kfree(radio_parms); 2597b3115f2SLuciano Coelho return ret; 2607b3115f2SLuciano Coelho } 2617b3115f2SLuciano Coelho 2627b3115f2SLuciano Coelho int wl128x_cmd_radio_parms(struct wl1271 *wl) 2637b3115f2SLuciano Coelho { 2647b3115f2SLuciano Coelho struct wl128x_nvs_file *nvs = (struct wl128x_nvs_file *)wl->nvs; 2657b3115f2SLuciano Coelho struct wl128x_radio_parms_cmd *radio_parms; 2667b3115f2SLuciano Coelho struct wl128x_ini_general_params *gp = &nvs->general_params; 2677b3115f2SLuciano Coelho int ret; 2687b3115f2SLuciano Coelho 2697b3115f2SLuciano Coelho if (!wl->nvs) 2707b3115f2SLuciano Coelho return -ENODEV; 2717b3115f2SLuciano Coelho 2727b3115f2SLuciano Coelho radio_parms = kzalloc(sizeof(*radio_parms), GFP_KERNEL); 2737b3115f2SLuciano Coelho if (!radio_parms) 2747b3115f2SLuciano Coelho return -ENOMEM; 2757b3115f2SLuciano Coelho 2767b3115f2SLuciano Coelho radio_parms->test.id = TEST_CMD_INI_FILE_RADIO_PARAM; 2777b3115f2SLuciano Coelho 2787b3115f2SLuciano Coelho /* 2.4GHz parameters */ 2797b3115f2SLuciano Coelho memcpy(&radio_parms->static_params_2, &nvs->stat_radio_params_2, 2807b3115f2SLuciano Coelho sizeof(struct wl128x_ini_band_params_2)); 2817b3115f2SLuciano Coelho memcpy(&radio_parms->dyn_params_2, 2827b3115f2SLuciano Coelho &nvs->dyn_radio_params_2[gp->tx_bip_fem_manufacturer].params, 2837b3115f2SLuciano Coelho sizeof(struct wl128x_ini_fem_params_2)); 2847b3115f2SLuciano Coelho 2857b3115f2SLuciano Coelho /* 5GHz parameters */ 2867b3115f2SLuciano Coelho memcpy(&radio_parms->static_params_5, 2877b3115f2SLuciano Coelho &nvs->stat_radio_params_5, 2887b3115f2SLuciano Coelho sizeof(struct wl128x_ini_band_params_5)); 2897b3115f2SLuciano Coelho memcpy(&radio_parms->dyn_params_5, 2907b3115f2SLuciano Coelho &nvs->dyn_radio_params_5[gp->tx_bip_fem_manufacturer].params, 2917b3115f2SLuciano Coelho sizeof(struct wl128x_ini_fem_params_5)); 2927b3115f2SLuciano Coelho 2937b3115f2SLuciano Coelho radio_parms->fem_vendor_and_options = nvs->fem_vendor_and_options; 2947b3115f2SLuciano Coelho 2957b3115f2SLuciano Coelho wl1271_dump(DEBUG_CMD, "TEST_CMD_INI_FILE_RADIO_PARAM: ", 2967b3115f2SLuciano Coelho radio_parms, sizeof(*radio_parms)); 2977b3115f2SLuciano Coelho 2987b3115f2SLuciano Coelho ret = wl1271_cmd_test(wl, radio_parms, sizeof(*radio_parms), 0); 2997b3115f2SLuciano Coelho if (ret < 0) 3007b3115f2SLuciano Coelho wl1271_warning("CMD_INI_FILE_RADIO_PARAM failed"); 3017b3115f2SLuciano Coelho 3027b3115f2SLuciano Coelho kfree(radio_parms); 3037b3115f2SLuciano Coelho return ret; 3047b3115f2SLuciano Coelho } 3057b3115f2SLuciano Coelho 3067b3115f2SLuciano Coelho int wl1271_cmd_ext_radio_parms(struct wl1271 *wl) 3077b3115f2SLuciano Coelho { 3087b3115f2SLuciano Coelho struct wl1271_ext_radio_parms_cmd *ext_radio_parms; 3097b3115f2SLuciano Coelho struct conf_rf_settings *rf = &wl->conf.rf; 3107b3115f2SLuciano Coelho int ret; 3117b3115f2SLuciano Coelho 3127b3115f2SLuciano Coelho if (!wl->nvs) 3137b3115f2SLuciano Coelho return -ENODEV; 3147b3115f2SLuciano Coelho 3157b3115f2SLuciano Coelho ext_radio_parms = kzalloc(sizeof(*ext_radio_parms), GFP_KERNEL); 3167b3115f2SLuciano Coelho if (!ext_radio_parms) 3177b3115f2SLuciano Coelho return -ENOMEM; 3187b3115f2SLuciano Coelho 3197b3115f2SLuciano Coelho ext_radio_parms->test.id = TEST_CMD_INI_FILE_RF_EXTENDED_PARAM; 3207b3115f2SLuciano Coelho 3217b3115f2SLuciano Coelho memcpy(ext_radio_parms->tx_per_channel_power_compensation_2, 3227b3115f2SLuciano Coelho rf->tx_per_channel_power_compensation_2, 3237b3115f2SLuciano Coelho CONF_TX_PWR_COMPENSATION_LEN_2); 3247b3115f2SLuciano Coelho memcpy(ext_radio_parms->tx_per_channel_power_compensation_5, 3257b3115f2SLuciano Coelho rf->tx_per_channel_power_compensation_5, 3267b3115f2SLuciano Coelho CONF_TX_PWR_COMPENSATION_LEN_5); 3277b3115f2SLuciano Coelho 3287b3115f2SLuciano Coelho wl1271_dump(DEBUG_CMD, "TEST_CMD_INI_FILE_EXT_RADIO_PARAM: ", 3297b3115f2SLuciano Coelho ext_radio_parms, sizeof(*ext_radio_parms)); 3307b3115f2SLuciano Coelho 3317b3115f2SLuciano Coelho ret = wl1271_cmd_test(wl, ext_radio_parms, sizeof(*ext_radio_parms), 0); 3327b3115f2SLuciano Coelho if (ret < 0) 3337b3115f2SLuciano Coelho wl1271_warning("TEST_CMD_INI_FILE_RF_EXTENDED_PARAM failed"); 3347b3115f2SLuciano Coelho 3357b3115f2SLuciano Coelho kfree(ext_radio_parms); 3367b3115f2SLuciano Coelho return ret; 3377b3115f2SLuciano Coelho } 3387b3115f2SLuciano Coelho 3397b3115f2SLuciano Coelho /* 3407b3115f2SLuciano Coelho * Poll the mailbox event field until any of the bits in the mask is set or a 3417b3115f2SLuciano Coelho * timeout occurs (WL1271_EVENT_TIMEOUT in msecs) 3427b3115f2SLuciano Coelho */ 3437b3115f2SLuciano Coelho static int wl1271_cmd_wait_for_event_or_timeout(struct wl1271 *wl, u32 mask) 3447b3115f2SLuciano Coelho { 3457b3115f2SLuciano Coelho u32 *events_vector; 3467b3115f2SLuciano Coelho u32 event; 3477b3115f2SLuciano Coelho unsigned long timeout; 3487b3115f2SLuciano Coelho int ret = 0; 3497b3115f2SLuciano Coelho 3507b3115f2SLuciano Coelho events_vector = kmalloc(sizeof(*events_vector), GFP_DMA); 3517b3115f2SLuciano Coelho 3527b3115f2SLuciano Coelho timeout = jiffies + msecs_to_jiffies(WL1271_EVENT_TIMEOUT); 3537b3115f2SLuciano Coelho 3547b3115f2SLuciano Coelho do { 3557b3115f2SLuciano Coelho if (time_after(jiffies, timeout)) { 3567b3115f2SLuciano Coelho wl1271_debug(DEBUG_CMD, "timeout waiting for event %d", 3577b3115f2SLuciano Coelho (int)mask); 3587b3115f2SLuciano Coelho ret = -ETIMEDOUT; 3597b3115f2SLuciano Coelho goto out; 3607b3115f2SLuciano Coelho } 3617b3115f2SLuciano Coelho 3627b3115f2SLuciano Coelho msleep(1); 3637b3115f2SLuciano Coelho 3647b3115f2SLuciano Coelho /* read from both event fields */ 3657b3115f2SLuciano Coelho wl1271_read(wl, wl->mbox_ptr[0], events_vector, 3667b3115f2SLuciano Coelho sizeof(*events_vector), false); 3677b3115f2SLuciano Coelho event = *events_vector & mask; 3687b3115f2SLuciano Coelho wl1271_read(wl, wl->mbox_ptr[1], events_vector, 3697b3115f2SLuciano Coelho sizeof(*events_vector), false); 3707b3115f2SLuciano Coelho event |= *events_vector & mask; 3717b3115f2SLuciano Coelho } while (!event); 3727b3115f2SLuciano Coelho 3737b3115f2SLuciano Coelho out: 3747b3115f2SLuciano Coelho kfree(events_vector); 3757b3115f2SLuciano Coelho return ret; 3767b3115f2SLuciano Coelho } 3777b3115f2SLuciano Coelho 3787b3115f2SLuciano Coelho static int wl1271_cmd_wait_for_event(struct wl1271 *wl, u32 mask) 3797b3115f2SLuciano Coelho { 3807b3115f2SLuciano Coelho int ret; 3817b3115f2SLuciano Coelho 3827b3115f2SLuciano Coelho ret = wl1271_cmd_wait_for_event_or_timeout(wl, mask); 3837b3115f2SLuciano Coelho if (ret != 0) { 3847b3115f2SLuciano Coelho wl12xx_queue_recovery_work(wl); 3857b3115f2SLuciano Coelho return ret; 3867b3115f2SLuciano Coelho } 3877b3115f2SLuciano Coelho 3887b3115f2SLuciano Coelho return 0; 3897b3115f2SLuciano Coelho } 3907b3115f2SLuciano Coelho 3917b3115f2SLuciano Coelho int wl12xx_cmd_role_enable(struct wl1271 *wl, u8 *addr, u8 role_type, 3927b3115f2SLuciano Coelho u8 *role_id) 3937b3115f2SLuciano Coelho { 3947b3115f2SLuciano Coelho struct wl12xx_cmd_role_enable *cmd; 3957b3115f2SLuciano Coelho int ret; 3967b3115f2SLuciano Coelho 3977b3115f2SLuciano Coelho wl1271_debug(DEBUG_CMD, "cmd role enable"); 3987b3115f2SLuciano Coelho 3997b3115f2SLuciano Coelho if (WARN_ON(*role_id != WL12XX_INVALID_ROLE_ID)) 4007b3115f2SLuciano Coelho return -EBUSY; 4017b3115f2SLuciano Coelho 4027b3115f2SLuciano Coelho cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 4037b3115f2SLuciano Coelho if (!cmd) { 4047b3115f2SLuciano Coelho ret = -ENOMEM; 4057b3115f2SLuciano Coelho goto out; 4067b3115f2SLuciano Coelho } 4077b3115f2SLuciano Coelho 4087b3115f2SLuciano Coelho /* get role id */ 4097b3115f2SLuciano Coelho cmd->role_id = find_first_zero_bit(wl->roles_map, WL12XX_MAX_ROLES); 4107b3115f2SLuciano Coelho if (cmd->role_id >= WL12XX_MAX_ROLES) { 4117b3115f2SLuciano Coelho ret = -EBUSY; 4127b3115f2SLuciano Coelho goto out_free; 4137b3115f2SLuciano Coelho } 4147b3115f2SLuciano Coelho 4157b3115f2SLuciano Coelho memcpy(cmd->mac_address, addr, ETH_ALEN); 4167b3115f2SLuciano Coelho cmd->role_type = role_type; 4177b3115f2SLuciano Coelho 4187b3115f2SLuciano Coelho ret = wl1271_cmd_send(wl, CMD_ROLE_ENABLE, cmd, sizeof(*cmd), 0); 4197b3115f2SLuciano Coelho if (ret < 0) { 4207b3115f2SLuciano Coelho wl1271_error("failed to initiate cmd role enable"); 4217b3115f2SLuciano Coelho goto out_free; 4227b3115f2SLuciano Coelho } 4237b3115f2SLuciano Coelho 4247b3115f2SLuciano Coelho __set_bit(cmd->role_id, wl->roles_map); 4257b3115f2SLuciano Coelho *role_id = cmd->role_id; 4267b3115f2SLuciano Coelho 4277b3115f2SLuciano Coelho out_free: 4287b3115f2SLuciano Coelho kfree(cmd); 4297b3115f2SLuciano Coelho 4307b3115f2SLuciano Coelho out: 4317b3115f2SLuciano Coelho return ret; 4327b3115f2SLuciano Coelho } 4337b3115f2SLuciano Coelho 4347b3115f2SLuciano Coelho int wl12xx_cmd_role_disable(struct wl1271 *wl, u8 *role_id) 4357b3115f2SLuciano Coelho { 4367b3115f2SLuciano Coelho struct wl12xx_cmd_role_disable *cmd; 4377b3115f2SLuciano Coelho int ret; 4387b3115f2SLuciano Coelho 4397b3115f2SLuciano Coelho wl1271_debug(DEBUG_CMD, "cmd role disable"); 4407b3115f2SLuciano Coelho 4417b3115f2SLuciano Coelho if (WARN_ON(*role_id == WL12XX_INVALID_ROLE_ID)) 4427b3115f2SLuciano Coelho return -ENOENT; 4437b3115f2SLuciano Coelho 4447b3115f2SLuciano Coelho cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 4457b3115f2SLuciano Coelho if (!cmd) { 4467b3115f2SLuciano Coelho ret = -ENOMEM; 4477b3115f2SLuciano Coelho goto out; 4487b3115f2SLuciano Coelho } 4497b3115f2SLuciano Coelho cmd->role_id = *role_id; 4507b3115f2SLuciano Coelho 4517b3115f2SLuciano Coelho ret = wl1271_cmd_send(wl, CMD_ROLE_DISABLE, cmd, sizeof(*cmd), 0); 4527b3115f2SLuciano Coelho if (ret < 0) { 4537b3115f2SLuciano Coelho wl1271_error("failed to initiate cmd role disable"); 4547b3115f2SLuciano Coelho goto out_free; 4557b3115f2SLuciano Coelho } 4567b3115f2SLuciano Coelho 4577b3115f2SLuciano Coelho __clear_bit(*role_id, wl->roles_map); 4587b3115f2SLuciano Coelho *role_id = WL12XX_INVALID_ROLE_ID; 4597b3115f2SLuciano Coelho 4607b3115f2SLuciano Coelho out_free: 4617b3115f2SLuciano Coelho kfree(cmd); 4627b3115f2SLuciano Coelho 4637b3115f2SLuciano Coelho out: 4647b3115f2SLuciano Coelho return ret; 4657b3115f2SLuciano Coelho } 4667b3115f2SLuciano Coelho 4677b3115f2SLuciano Coelho int wl12xx_allocate_link(struct wl1271 *wl, struct wl12xx_vif *wlvif, u8 *hlid) 4687b3115f2SLuciano Coelho { 4697b3115f2SLuciano Coelho unsigned long flags; 4707b3115f2SLuciano Coelho u8 link = find_first_zero_bit(wl->links_map, WL12XX_MAX_LINKS); 4717b3115f2SLuciano Coelho if (link >= WL12XX_MAX_LINKS) 4727b3115f2SLuciano Coelho return -EBUSY; 4737b3115f2SLuciano Coelho 4747b3115f2SLuciano Coelho /* these bits are used by op_tx */ 4757b3115f2SLuciano Coelho spin_lock_irqsave(&wl->wl_lock, flags); 4767b3115f2SLuciano Coelho __set_bit(link, wl->links_map); 4777b3115f2SLuciano Coelho __set_bit(link, wlvif->links_map); 4787b3115f2SLuciano Coelho spin_unlock_irqrestore(&wl->wl_lock, flags); 4797b3115f2SLuciano Coelho *hlid = link; 4807b3115f2SLuciano Coelho return 0; 4817b3115f2SLuciano Coelho } 4827b3115f2SLuciano Coelho 4837b3115f2SLuciano Coelho void wl12xx_free_link(struct wl1271 *wl, struct wl12xx_vif *wlvif, u8 *hlid) 4847b3115f2SLuciano Coelho { 4857b3115f2SLuciano Coelho unsigned long flags; 4867b3115f2SLuciano Coelho 4877b3115f2SLuciano Coelho if (*hlid == WL12XX_INVALID_LINK_ID) 4887b3115f2SLuciano Coelho return; 4897b3115f2SLuciano Coelho 4907b3115f2SLuciano Coelho /* these bits are used by op_tx */ 4917b3115f2SLuciano Coelho spin_lock_irqsave(&wl->wl_lock, flags); 4927b3115f2SLuciano Coelho __clear_bit(*hlid, wl->links_map); 4937b3115f2SLuciano Coelho __clear_bit(*hlid, wlvif->links_map); 4947b3115f2SLuciano Coelho spin_unlock_irqrestore(&wl->wl_lock, flags); 4957b3115f2SLuciano Coelho 4967b3115f2SLuciano Coelho /* 4977b3115f2SLuciano Coelho * At this point op_tx() will not add more packets to the queues. We 4987b3115f2SLuciano Coelho * can purge them. 4997b3115f2SLuciano Coelho */ 5007b3115f2SLuciano Coelho wl1271_tx_reset_link_queues(wl, *hlid); 5017b3115f2SLuciano Coelho 5027b3115f2SLuciano Coelho *hlid = WL12XX_INVALID_LINK_ID; 5037b3115f2SLuciano Coelho } 5047b3115f2SLuciano Coelho 5057b3115f2SLuciano Coelho static int wl12xx_get_new_session_id(struct wl1271 *wl, 5067b3115f2SLuciano Coelho struct wl12xx_vif *wlvif) 5077b3115f2SLuciano Coelho { 5087b3115f2SLuciano Coelho if (wlvif->session_counter >= SESSION_COUNTER_MAX) 5097b3115f2SLuciano Coelho wlvif->session_counter = 0; 5107b3115f2SLuciano Coelho 5117b3115f2SLuciano Coelho wlvif->session_counter++; 5127b3115f2SLuciano Coelho 5137b3115f2SLuciano Coelho return wlvif->session_counter; 5147b3115f2SLuciano Coelho } 5157b3115f2SLuciano Coelho 5167b3115f2SLuciano Coelho static int wl12xx_cmd_role_start_dev(struct wl1271 *wl, 5177b3115f2SLuciano Coelho struct wl12xx_vif *wlvif) 5187b3115f2SLuciano Coelho { 5197b3115f2SLuciano Coelho struct wl12xx_cmd_role_start *cmd; 5207b3115f2SLuciano Coelho int ret; 5217b3115f2SLuciano Coelho 5227b3115f2SLuciano Coelho cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 5237b3115f2SLuciano Coelho if (!cmd) { 5247b3115f2SLuciano Coelho ret = -ENOMEM; 5257b3115f2SLuciano Coelho goto out; 5267b3115f2SLuciano Coelho } 5277b3115f2SLuciano Coelho 5287b3115f2SLuciano Coelho wl1271_debug(DEBUG_CMD, "cmd role start dev %d", wlvif->dev_role_id); 5297b3115f2SLuciano Coelho 5307b3115f2SLuciano Coelho cmd->role_id = wlvif->dev_role_id; 5317b3115f2SLuciano Coelho if (wlvif->band == IEEE80211_BAND_5GHZ) 5327b3115f2SLuciano Coelho cmd->band = WL12XX_BAND_5GHZ; 5337b3115f2SLuciano Coelho cmd->channel = wlvif->channel; 5347b3115f2SLuciano Coelho 5357b3115f2SLuciano Coelho if (wlvif->dev_hlid == WL12XX_INVALID_LINK_ID) { 5367b3115f2SLuciano Coelho ret = wl12xx_allocate_link(wl, wlvif, &wlvif->dev_hlid); 5377b3115f2SLuciano Coelho if (ret) 5387b3115f2SLuciano Coelho goto out_free; 5397b3115f2SLuciano Coelho } 5407b3115f2SLuciano Coelho cmd->device.hlid = wlvif->dev_hlid; 5417b3115f2SLuciano Coelho cmd->device.session = wl12xx_get_new_session_id(wl, wlvif); 5427b3115f2SLuciano Coelho 5437b3115f2SLuciano Coelho wl1271_debug(DEBUG_CMD, "role start: roleid=%d, hlid=%d, session=%d", 5447b3115f2SLuciano Coelho cmd->role_id, cmd->device.hlid, cmd->device.session); 5457b3115f2SLuciano Coelho 5467b3115f2SLuciano Coelho ret = wl1271_cmd_send(wl, CMD_ROLE_START, cmd, sizeof(*cmd), 0); 5477b3115f2SLuciano Coelho if (ret < 0) { 5487b3115f2SLuciano Coelho wl1271_error("failed to initiate cmd role enable"); 5497b3115f2SLuciano Coelho goto err_hlid; 5507b3115f2SLuciano Coelho } 5517b3115f2SLuciano Coelho 5527b3115f2SLuciano Coelho goto out_free; 5537b3115f2SLuciano Coelho 5547b3115f2SLuciano Coelho err_hlid: 5557b3115f2SLuciano Coelho /* clear links on error */ 5567b3115f2SLuciano Coelho wl12xx_free_link(wl, wlvif, &wlvif->dev_hlid); 5577b3115f2SLuciano Coelho 5587b3115f2SLuciano Coelho out_free: 5597b3115f2SLuciano Coelho kfree(cmd); 5607b3115f2SLuciano Coelho 5617b3115f2SLuciano Coelho out: 5627b3115f2SLuciano Coelho return ret; 5637b3115f2SLuciano Coelho } 5647b3115f2SLuciano Coelho 5657b3115f2SLuciano Coelho static int wl12xx_cmd_role_stop_dev(struct wl1271 *wl, 5667b3115f2SLuciano Coelho struct wl12xx_vif *wlvif) 5677b3115f2SLuciano Coelho { 5687b3115f2SLuciano Coelho struct wl12xx_cmd_role_stop *cmd; 5697b3115f2SLuciano Coelho int ret; 5707b3115f2SLuciano Coelho 5717b3115f2SLuciano Coelho if (WARN_ON(wlvif->dev_hlid == WL12XX_INVALID_LINK_ID)) 5727b3115f2SLuciano Coelho return -EINVAL; 5737b3115f2SLuciano Coelho 5747b3115f2SLuciano Coelho cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 5757b3115f2SLuciano Coelho if (!cmd) { 5767b3115f2SLuciano Coelho ret = -ENOMEM; 5777b3115f2SLuciano Coelho goto out; 5787b3115f2SLuciano Coelho } 5797b3115f2SLuciano Coelho 5807b3115f2SLuciano Coelho wl1271_debug(DEBUG_CMD, "cmd role stop dev"); 5817b3115f2SLuciano Coelho 5827b3115f2SLuciano Coelho cmd->role_id = wlvif->dev_role_id; 5837b3115f2SLuciano Coelho cmd->disc_type = DISCONNECT_IMMEDIATE; 5847b3115f2SLuciano Coelho cmd->reason = cpu_to_le16(WLAN_REASON_UNSPECIFIED); 5857b3115f2SLuciano Coelho 5867b3115f2SLuciano Coelho ret = wl1271_cmd_send(wl, CMD_ROLE_STOP, cmd, sizeof(*cmd), 0); 5877b3115f2SLuciano Coelho if (ret < 0) { 5887b3115f2SLuciano Coelho wl1271_error("failed to initiate cmd role stop"); 5897b3115f2SLuciano Coelho goto out_free; 5907b3115f2SLuciano Coelho } 5917b3115f2SLuciano Coelho 5927b3115f2SLuciano Coelho ret = wl1271_cmd_wait_for_event(wl, ROLE_STOP_COMPLETE_EVENT_ID); 5937b3115f2SLuciano Coelho if (ret < 0) { 5947b3115f2SLuciano Coelho wl1271_error("cmd role stop dev event completion error"); 5957b3115f2SLuciano Coelho goto out_free; 5967b3115f2SLuciano Coelho } 5977b3115f2SLuciano Coelho 5987b3115f2SLuciano Coelho wl12xx_free_link(wl, wlvif, &wlvif->dev_hlid); 5997b3115f2SLuciano Coelho 6007b3115f2SLuciano Coelho out_free: 6017b3115f2SLuciano Coelho kfree(cmd); 6027b3115f2SLuciano Coelho 6037b3115f2SLuciano Coelho out: 6047b3115f2SLuciano Coelho return ret; 6057b3115f2SLuciano Coelho } 6067b3115f2SLuciano Coelho 6077b3115f2SLuciano Coelho int wl12xx_cmd_role_start_sta(struct wl1271 *wl, struct wl12xx_vif *wlvif) 6087b3115f2SLuciano Coelho { 6097b3115f2SLuciano Coelho struct ieee80211_vif *vif = wl12xx_wlvif_to_vif(wlvif); 6107b3115f2SLuciano Coelho struct wl12xx_cmd_role_start *cmd; 6117b3115f2SLuciano Coelho int ret; 6127b3115f2SLuciano Coelho 6137b3115f2SLuciano Coelho cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 6147b3115f2SLuciano Coelho if (!cmd) { 6157b3115f2SLuciano Coelho ret = -ENOMEM; 6167b3115f2SLuciano Coelho goto out; 6177b3115f2SLuciano Coelho } 6187b3115f2SLuciano Coelho 6197b3115f2SLuciano Coelho wl1271_debug(DEBUG_CMD, "cmd role start sta %d", wlvif->role_id); 6207b3115f2SLuciano Coelho 6217b3115f2SLuciano Coelho cmd->role_id = wlvif->role_id; 6227b3115f2SLuciano Coelho if (wlvif->band == IEEE80211_BAND_5GHZ) 6237b3115f2SLuciano Coelho cmd->band = WL12XX_BAND_5GHZ; 6247b3115f2SLuciano Coelho cmd->channel = wlvif->channel; 6257b3115f2SLuciano Coelho cmd->sta.basic_rate_set = cpu_to_le32(wlvif->basic_rate_set); 6267b3115f2SLuciano Coelho cmd->sta.beacon_interval = cpu_to_le16(wlvif->beacon_int); 6277b3115f2SLuciano Coelho cmd->sta.ssid_type = WL12XX_SSID_TYPE_ANY; 6287b3115f2SLuciano Coelho cmd->sta.ssid_len = wlvif->ssid_len; 6297b3115f2SLuciano Coelho memcpy(cmd->sta.ssid, wlvif->ssid, wlvif->ssid_len); 6307b3115f2SLuciano Coelho memcpy(cmd->sta.bssid, vif->bss_conf.bssid, ETH_ALEN); 6317b3115f2SLuciano Coelho cmd->sta.local_rates = cpu_to_le32(wlvif->rate_set); 6327b3115f2SLuciano Coelho 6337b3115f2SLuciano Coelho if (wlvif->sta.hlid == WL12XX_INVALID_LINK_ID) { 6347b3115f2SLuciano Coelho ret = wl12xx_allocate_link(wl, wlvif, &wlvif->sta.hlid); 6357b3115f2SLuciano Coelho if (ret) 6367b3115f2SLuciano Coelho goto out_free; 6377b3115f2SLuciano Coelho } 6387b3115f2SLuciano Coelho cmd->sta.hlid = wlvif->sta.hlid; 6397b3115f2SLuciano Coelho cmd->sta.session = wl12xx_get_new_session_id(wl, wlvif); 6407b3115f2SLuciano Coelho cmd->sta.remote_rates = cpu_to_le32(wlvif->rate_set); 6417b3115f2SLuciano Coelho 6427b3115f2SLuciano Coelho wl1271_debug(DEBUG_CMD, "role start: roleid=%d, hlid=%d, session=%d " 6437b3115f2SLuciano Coelho "basic_rate_set: 0x%x, remote_rates: 0x%x", 6447b3115f2SLuciano Coelho wlvif->role_id, cmd->sta.hlid, cmd->sta.session, 6457b3115f2SLuciano Coelho wlvif->basic_rate_set, wlvif->rate_set); 6467b3115f2SLuciano Coelho 6477b3115f2SLuciano Coelho ret = wl1271_cmd_send(wl, CMD_ROLE_START, cmd, sizeof(*cmd), 0); 6487b3115f2SLuciano Coelho if (ret < 0) { 6497b3115f2SLuciano Coelho wl1271_error("failed to initiate cmd role start sta"); 6507b3115f2SLuciano Coelho goto err_hlid; 6517b3115f2SLuciano Coelho } 6527b3115f2SLuciano Coelho 6537b3115f2SLuciano Coelho goto out_free; 6547b3115f2SLuciano Coelho 6557b3115f2SLuciano Coelho err_hlid: 6567b3115f2SLuciano Coelho /* clear links on error. */ 6577b3115f2SLuciano Coelho wl12xx_free_link(wl, wlvif, &wlvif->sta.hlid); 6587b3115f2SLuciano Coelho 6597b3115f2SLuciano Coelho out_free: 6607b3115f2SLuciano Coelho kfree(cmd); 6617b3115f2SLuciano Coelho 6627b3115f2SLuciano Coelho out: 6637b3115f2SLuciano Coelho return ret; 6647b3115f2SLuciano Coelho } 6657b3115f2SLuciano Coelho 6667b3115f2SLuciano Coelho /* use this function to stop ibss as well */ 6677b3115f2SLuciano Coelho int wl12xx_cmd_role_stop_sta(struct wl1271 *wl, struct wl12xx_vif *wlvif) 6687b3115f2SLuciano Coelho { 6697b3115f2SLuciano Coelho struct wl12xx_cmd_role_stop *cmd; 6707b3115f2SLuciano Coelho int ret; 6717b3115f2SLuciano Coelho 6727b3115f2SLuciano Coelho if (WARN_ON(wlvif->sta.hlid == WL12XX_INVALID_LINK_ID)) 6737b3115f2SLuciano Coelho return -EINVAL; 6747b3115f2SLuciano Coelho 6757b3115f2SLuciano Coelho cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 6767b3115f2SLuciano Coelho if (!cmd) { 6777b3115f2SLuciano Coelho ret = -ENOMEM; 6787b3115f2SLuciano Coelho goto out; 6797b3115f2SLuciano Coelho } 6807b3115f2SLuciano Coelho 6817b3115f2SLuciano Coelho wl1271_debug(DEBUG_CMD, "cmd role stop sta %d", wlvif->role_id); 6827b3115f2SLuciano Coelho 6837b3115f2SLuciano Coelho cmd->role_id = wlvif->role_id; 6847b3115f2SLuciano Coelho cmd->disc_type = DISCONNECT_IMMEDIATE; 6857b3115f2SLuciano Coelho cmd->reason = cpu_to_le16(WLAN_REASON_UNSPECIFIED); 6867b3115f2SLuciano Coelho 6877b3115f2SLuciano Coelho ret = wl1271_cmd_send(wl, CMD_ROLE_STOP, cmd, sizeof(*cmd), 0); 6887b3115f2SLuciano Coelho if (ret < 0) { 6897b3115f2SLuciano Coelho wl1271_error("failed to initiate cmd role stop sta"); 6907b3115f2SLuciano Coelho goto out_free; 6917b3115f2SLuciano Coelho } 6927b3115f2SLuciano Coelho 6937b3115f2SLuciano Coelho wl12xx_free_link(wl, wlvif, &wlvif->sta.hlid); 6947b3115f2SLuciano Coelho 6957b3115f2SLuciano Coelho out_free: 6967b3115f2SLuciano Coelho kfree(cmd); 6977b3115f2SLuciano Coelho 6987b3115f2SLuciano Coelho out: 6997b3115f2SLuciano Coelho return ret; 7007b3115f2SLuciano Coelho } 7017b3115f2SLuciano Coelho 7027b3115f2SLuciano Coelho int wl12xx_cmd_role_start_ap(struct wl1271 *wl, struct wl12xx_vif *wlvif) 7037b3115f2SLuciano Coelho { 7047b3115f2SLuciano Coelho struct wl12xx_cmd_role_start *cmd; 7057b3115f2SLuciano Coelho struct ieee80211_vif *vif = wl12xx_wlvif_to_vif(wlvif); 7067b3115f2SLuciano Coelho struct ieee80211_bss_conf *bss_conf = &vif->bss_conf; 7077b3115f2SLuciano Coelho int ret; 7087b3115f2SLuciano Coelho 7097b3115f2SLuciano Coelho wl1271_debug(DEBUG_CMD, "cmd role start ap %d", wlvif->role_id); 7107b3115f2SLuciano Coelho 7117b3115f2SLuciano Coelho /* trying to use hidden SSID with an old hostapd version */ 7127b3115f2SLuciano Coelho if (wlvif->ssid_len == 0 && !bss_conf->hidden_ssid) { 7137b3115f2SLuciano Coelho wl1271_error("got a null SSID from beacon/bss"); 7147b3115f2SLuciano Coelho ret = -EINVAL; 7157b3115f2SLuciano Coelho goto out; 7167b3115f2SLuciano Coelho } 7177b3115f2SLuciano Coelho 7187b3115f2SLuciano Coelho cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 7197b3115f2SLuciano Coelho if (!cmd) { 7207b3115f2SLuciano Coelho ret = -ENOMEM; 7217b3115f2SLuciano Coelho goto out; 7227b3115f2SLuciano Coelho } 7237b3115f2SLuciano Coelho 7247b3115f2SLuciano Coelho ret = wl12xx_allocate_link(wl, wlvif, &wlvif->ap.global_hlid); 7257b3115f2SLuciano Coelho if (ret < 0) 7267b3115f2SLuciano Coelho goto out_free; 7277b3115f2SLuciano Coelho 7287b3115f2SLuciano Coelho ret = wl12xx_allocate_link(wl, wlvif, &wlvif->ap.bcast_hlid); 7297b3115f2SLuciano Coelho if (ret < 0) 7307b3115f2SLuciano Coelho goto out_free_global; 7317b3115f2SLuciano Coelho 7327b3115f2SLuciano Coelho cmd->role_id = wlvif->role_id; 7337b3115f2SLuciano Coelho cmd->ap.aging_period = cpu_to_le16(wl->conf.tx.ap_aging_period); 7347b3115f2SLuciano Coelho cmd->ap.bss_index = WL1271_AP_BSS_INDEX; 7357b3115f2SLuciano Coelho cmd->ap.global_hlid = wlvif->ap.global_hlid; 7367b3115f2SLuciano Coelho cmd->ap.broadcast_hlid = wlvif->ap.bcast_hlid; 7377b3115f2SLuciano Coelho cmd->ap.basic_rate_set = cpu_to_le32(wlvif->basic_rate_set); 7387b3115f2SLuciano Coelho cmd->ap.beacon_interval = cpu_to_le16(wlvif->beacon_int); 7397b3115f2SLuciano Coelho cmd->ap.dtim_interval = bss_conf->dtim_period; 7407b3115f2SLuciano Coelho cmd->ap.beacon_expiry = WL1271_AP_DEF_BEACON_EXP; 7417b3115f2SLuciano Coelho /* FIXME: Change when adding DFS */ 7427b3115f2SLuciano Coelho cmd->ap.reset_tsf = 1; /* By default reset AP TSF */ 7437b3115f2SLuciano Coelho cmd->channel = wlvif->channel; 7447b3115f2SLuciano Coelho 7457b3115f2SLuciano Coelho if (!bss_conf->hidden_ssid) { 7467b3115f2SLuciano Coelho /* take the SSID from the beacon for backward compatibility */ 7477b3115f2SLuciano Coelho cmd->ap.ssid_type = WL12XX_SSID_TYPE_PUBLIC; 7487b3115f2SLuciano Coelho cmd->ap.ssid_len = wlvif->ssid_len; 7497b3115f2SLuciano Coelho memcpy(cmd->ap.ssid, wlvif->ssid, wlvif->ssid_len); 7507b3115f2SLuciano Coelho } else { 7517b3115f2SLuciano Coelho cmd->ap.ssid_type = WL12XX_SSID_TYPE_HIDDEN; 7527b3115f2SLuciano Coelho cmd->ap.ssid_len = bss_conf->ssid_len; 7537b3115f2SLuciano Coelho memcpy(cmd->ap.ssid, bss_conf->ssid, bss_conf->ssid_len); 7547b3115f2SLuciano Coelho } 7557b3115f2SLuciano Coelho 7567b3115f2SLuciano Coelho cmd->ap.local_rates = cpu_to_le32(0xffffffff); 7577b3115f2SLuciano Coelho 7587b3115f2SLuciano Coelho switch (wlvif->band) { 7597b3115f2SLuciano Coelho case IEEE80211_BAND_2GHZ: 7607b3115f2SLuciano Coelho cmd->band = RADIO_BAND_2_4GHZ; 7617b3115f2SLuciano Coelho break; 7627b3115f2SLuciano Coelho case IEEE80211_BAND_5GHZ: 7637b3115f2SLuciano Coelho cmd->band = RADIO_BAND_5GHZ; 7647b3115f2SLuciano Coelho break; 7657b3115f2SLuciano Coelho default: 7667b3115f2SLuciano Coelho wl1271_warning("ap start - unknown band: %d", (int)wlvif->band); 7677b3115f2SLuciano Coelho cmd->band = RADIO_BAND_2_4GHZ; 7687b3115f2SLuciano Coelho break; 7697b3115f2SLuciano Coelho } 7707b3115f2SLuciano Coelho 7717b3115f2SLuciano Coelho ret = wl1271_cmd_send(wl, CMD_ROLE_START, cmd, sizeof(*cmd), 0); 7727b3115f2SLuciano Coelho if (ret < 0) { 7737b3115f2SLuciano Coelho wl1271_error("failed to initiate cmd role start ap"); 7747b3115f2SLuciano Coelho goto out_free_bcast; 7757b3115f2SLuciano Coelho } 7767b3115f2SLuciano Coelho 7777b3115f2SLuciano Coelho goto out_free; 7787b3115f2SLuciano Coelho 7797b3115f2SLuciano Coelho out_free_bcast: 7807b3115f2SLuciano Coelho wl12xx_free_link(wl, wlvif, &wlvif->ap.bcast_hlid); 7817b3115f2SLuciano Coelho 7827b3115f2SLuciano Coelho out_free_global: 7837b3115f2SLuciano Coelho wl12xx_free_link(wl, wlvif, &wlvif->ap.global_hlid); 7847b3115f2SLuciano Coelho 7857b3115f2SLuciano Coelho out_free: 7867b3115f2SLuciano Coelho kfree(cmd); 7877b3115f2SLuciano Coelho 7887b3115f2SLuciano Coelho out: 7897b3115f2SLuciano Coelho return ret; 7907b3115f2SLuciano Coelho } 7917b3115f2SLuciano Coelho 7927b3115f2SLuciano Coelho int wl12xx_cmd_role_stop_ap(struct wl1271 *wl, struct wl12xx_vif *wlvif) 7937b3115f2SLuciano Coelho { 7947b3115f2SLuciano Coelho struct wl12xx_cmd_role_stop *cmd; 7957b3115f2SLuciano Coelho int ret; 7967b3115f2SLuciano Coelho 7977b3115f2SLuciano Coelho cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 7987b3115f2SLuciano Coelho if (!cmd) { 7997b3115f2SLuciano Coelho ret = -ENOMEM; 8007b3115f2SLuciano Coelho goto out; 8017b3115f2SLuciano Coelho } 8027b3115f2SLuciano Coelho 8037b3115f2SLuciano Coelho wl1271_debug(DEBUG_CMD, "cmd role stop ap %d", wlvif->role_id); 8047b3115f2SLuciano Coelho 8057b3115f2SLuciano Coelho cmd->role_id = wlvif->role_id; 8067b3115f2SLuciano Coelho 8077b3115f2SLuciano Coelho ret = wl1271_cmd_send(wl, CMD_ROLE_STOP, cmd, sizeof(*cmd), 0); 8087b3115f2SLuciano Coelho if (ret < 0) { 8097b3115f2SLuciano Coelho wl1271_error("failed to initiate cmd role stop ap"); 8107b3115f2SLuciano Coelho goto out_free; 8117b3115f2SLuciano Coelho } 8127b3115f2SLuciano Coelho 8137b3115f2SLuciano Coelho wl12xx_free_link(wl, wlvif, &wlvif->ap.bcast_hlid); 8147b3115f2SLuciano Coelho wl12xx_free_link(wl, wlvif, &wlvif->ap.global_hlid); 8157b3115f2SLuciano Coelho 8167b3115f2SLuciano Coelho out_free: 8177b3115f2SLuciano Coelho kfree(cmd); 8187b3115f2SLuciano Coelho 8197b3115f2SLuciano Coelho out: 8207b3115f2SLuciano Coelho return ret; 8217b3115f2SLuciano Coelho } 8227b3115f2SLuciano Coelho 8237b3115f2SLuciano Coelho int wl12xx_cmd_role_start_ibss(struct wl1271 *wl, struct wl12xx_vif *wlvif) 8247b3115f2SLuciano Coelho { 8257b3115f2SLuciano Coelho struct ieee80211_vif *vif = wl12xx_wlvif_to_vif(wlvif); 8267b3115f2SLuciano Coelho struct wl12xx_cmd_role_start *cmd; 8277b3115f2SLuciano Coelho struct ieee80211_bss_conf *bss_conf = &vif->bss_conf; 8287b3115f2SLuciano Coelho int ret; 8297b3115f2SLuciano Coelho 8307b3115f2SLuciano Coelho cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 8317b3115f2SLuciano Coelho if (!cmd) { 8327b3115f2SLuciano Coelho ret = -ENOMEM; 8337b3115f2SLuciano Coelho goto out; 8347b3115f2SLuciano Coelho } 8357b3115f2SLuciano Coelho 8367b3115f2SLuciano Coelho wl1271_debug(DEBUG_CMD, "cmd role start ibss %d", wlvif->role_id); 8377b3115f2SLuciano Coelho 8387b3115f2SLuciano Coelho cmd->role_id = wlvif->role_id; 8397b3115f2SLuciano Coelho if (wlvif->band == IEEE80211_BAND_5GHZ) 8407b3115f2SLuciano Coelho cmd->band = WL12XX_BAND_5GHZ; 8417b3115f2SLuciano Coelho cmd->channel = wlvif->channel; 8427b3115f2SLuciano Coelho cmd->ibss.basic_rate_set = cpu_to_le32(wlvif->basic_rate_set); 8437b3115f2SLuciano Coelho cmd->ibss.beacon_interval = cpu_to_le16(wlvif->beacon_int); 8447b3115f2SLuciano Coelho cmd->ibss.dtim_interval = bss_conf->dtim_period; 8457b3115f2SLuciano Coelho cmd->ibss.ssid_type = WL12XX_SSID_TYPE_ANY; 8467b3115f2SLuciano Coelho cmd->ibss.ssid_len = wlvif->ssid_len; 8477b3115f2SLuciano Coelho memcpy(cmd->ibss.ssid, wlvif->ssid, wlvif->ssid_len); 8487b3115f2SLuciano Coelho memcpy(cmd->ibss.bssid, vif->bss_conf.bssid, ETH_ALEN); 8497b3115f2SLuciano Coelho cmd->sta.local_rates = cpu_to_le32(wlvif->rate_set); 8507b3115f2SLuciano Coelho 8517b3115f2SLuciano Coelho if (wlvif->sta.hlid == WL12XX_INVALID_LINK_ID) { 8527b3115f2SLuciano Coelho ret = wl12xx_allocate_link(wl, wlvif, &wlvif->sta.hlid); 8537b3115f2SLuciano Coelho if (ret) 8547b3115f2SLuciano Coelho goto out_free; 8557b3115f2SLuciano Coelho } 8567b3115f2SLuciano Coelho cmd->ibss.hlid = wlvif->sta.hlid; 8577b3115f2SLuciano Coelho cmd->ibss.remote_rates = cpu_to_le32(wlvif->rate_set); 8587b3115f2SLuciano Coelho 8597b3115f2SLuciano Coelho wl1271_debug(DEBUG_CMD, "role start: roleid=%d, hlid=%d, session=%d " 8607b3115f2SLuciano Coelho "basic_rate_set: 0x%x, remote_rates: 0x%x", 8617b3115f2SLuciano Coelho wlvif->role_id, cmd->sta.hlid, cmd->sta.session, 8627b3115f2SLuciano Coelho wlvif->basic_rate_set, wlvif->rate_set); 8637b3115f2SLuciano Coelho 8647b3115f2SLuciano Coelho wl1271_debug(DEBUG_CMD, "vif->bss_conf.bssid = %pM", 8657b3115f2SLuciano Coelho vif->bss_conf.bssid); 8667b3115f2SLuciano Coelho 8677b3115f2SLuciano Coelho ret = wl1271_cmd_send(wl, CMD_ROLE_START, cmd, sizeof(*cmd), 0); 8687b3115f2SLuciano Coelho if (ret < 0) { 8697b3115f2SLuciano Coelho wl1271_error("failed to initiate cmd role enable"); 8707b3115f2SLuciano Coelho goto err_hlid; 8717b3115f2SLuciano Coelho } 8727b3115f2SLuciano Coelho 8737b3115f2SLuciano Coelho goto out_free; 8747b3115f2SLuciano Coelho 8757b3115f2SLuciano Coelho err_hlid: 8767b3115f2SLuciano Coelho /* clear links on error. */ 8777b3115f2SLuciano Coelho wl12xx_free_link(wl, wlvif, &wlvif->sta.hlid); 8787b3115f2SLuciano Coelho 8797b3115f2SLuciano Coelho out_free: 8807b3115f2SLuciano Coelho kfree(cmd); 8817b3115f2SLuciano Coelho 8827b3115f2SLuciano Coelho out: 8837b3115f2SLuciano Coelho return ret; 8847b3115f2SLuciano Coelho } 8857b3115f2SLuciano Coelho 8867b3115f2SLuciano Coelho 8877b3115f2SLuciano Coelho /** 8887b3115f2SLuciano Coelho * send test command to firmware 8897b3115f2SLuciano Coelho * 8907b3115f2SLuciano Coelho * @wl: wl struct 8917b3115f2SLuciano Coelho * @buf: buffer containing the command, with all headers, must work with dma 8927b3115f2SLuciano Coelho * @len: length of the buffer 8937b3115f2SLuciano Coelho * @answer: is answer needed 8947b3115f2SLuciano Coelho */ 8957b3115f2SLuciano Coelho int wl1271_cmd_test(struct wl1271 *wl, void *buf, size_t buf_len, u8 answer) 8967b3115f2SLuciano Coelho { 8977b3115f2SLuciano Coelho int ret; 8987b3115f2SLuciano Coelho size_t res_len = 0; 8997b3115f2SLuciano Coelho 9007b3115f2SLuciano Coelho wl1271_debug(DEBUG_CMD, "cmd test"); 9017b3115f2SLuciano Coelho 9027b3115f2SLuciano Coelho if (answer) 9037b3115f2SLuciano Coelho res_len = buf_len; 9047b3115f2SLuciano Coelho 9057b3115f2SLuciano Coelho ret = wl1271_cmd_send(wl, CMD_TEST, buf, buf_len, res_len); 9067b3115f2SLuciano Coelho 9077b3115f2SLuciano Coelho if (ret < 0) { 9087b3115f2SLuciano Coelho wl1271_warning("TEST command failed"); 9097b3115f2SLuciano Coelho return ret; 9107b3115f2SLuciano Coelho } 9117b3115f2SLuciano Coelho 9127b3115f2SLuciano Coelho return ret; 9137b3115f2SLuciano Coelho } 9147b3115f2SLuciano Coelho 9157b3115f2SLuciano Coelho /** 9167b3115f2SLuciano Coelho * read acx from firmware 9177b3115f2SLuciano Coelho * 9187b3115f2SLuciano Coelho * @wl: wl struct 9197b3115f2SLuciano Coelho * @id: acx id 9207b3115f2SLuciano Coelho * @buf: buffer for the response, including all headers, must work with dma 9217b3115f2SLuciano Coelho * @len: length of buf 9227b3115f2SLuciano Coelho */ 9237b3115f2SLuciano Coelho int wl1271_cmd_interrogate(struct wl1271 *wl, u16 id, void *buf, size_t len) 9247b3115f2SLuciano Coelho { 9257b3115f2SLuciano Coelho struct acx_header *acx = buf; 9267b3115f2SLuciano Coelho int ret; 9277b3115f2SLuciano Coelho 9287b3115f2SLuciano Coelho wl1271_debug(DEBUG_CMD, "cmd interrogate"); 9297b3115f2SLuciano Coelho 9307b3115f2SLuciano Coelho acx->id = cpu_to_le16(id); 9317b3115f2SLuciano Coelho 9327b3115f2SLuciano Coelho /* payload length, does not include any headers */ 9337b3115f2SLuciano Coelho acx->len = cpu_to_le16(len - sizeof(*acx)); 9347b3115f2SLuciano Coelho 9357b3115f2SLuciano Coelho ret = wl1271_cmd_send(wl, CMD_INTERROGATE, acx, sizeof(*acx), len); 9367b3115f2SLuciano Coelho if (ret < 0) 9377b3115f2SLuciano Coelho wl1271_error("INTERROGATE command failed"); 9387b3115f2SLuciano Coelho 9397b3115f2SLuciano Coelho return ret; 9407b3115f2SLuciano Coelho } 9417b3115f2SLuciano Coelho 9427b3115f2SLuciano Coelho /** 9437b3115f2SLuciano Coelho * write acx value to firmware 9447b3115f2SLuciano Coelho * 9457b3115f2SLuciano Coelho * @wl: wl struct 9467b3115f2SLuciano Coelho * @id: acx id 9477b3115f2SLuciano Coelho * @buf: buffer containing acx, including all headers, must work with dma 9487b3115f2SLuciano Coelho * @len: length of buf 9497b3115f2SLuciano Coelho */ 9507b3115f2SLuciano Coelho int wl1271_cmd_configure(struct wl1271 *wl, u16 id, void *buf, size_t len) 9517b3115f2SLuciano Coelho { 9527b3115f2SLuciano Coelho struct acx_header *acx = buf; 9537b3115f2SLuciano Coelho int ret; 9547b3115f2SLuciano Coelho 9557b3115f2SLuciano Coelho wl1271_debug(DEBUG_CMD, "cmd configure (%d)", id); 9567b3115f2SLuciano Coelho 9577b3115f2SLuciano Coelho acx->id = cpu_to_le16(id); 9587b3115f2SLuciano Coelho 9597b3115f2SLuciano Coelho /* payload length, does not include any headers */ 9607b3115f2SLuciano Coelho acx->len = cpu_to_le16(len - sizeof(*acx)); 9617b3115f2SLuciano Coelho 9627b3115f2SLuciano Coelho ret = wl1271_cmd_send(wl, CMD_CONFIGURE, acx, len, 0); 9637b3115f2SLuciano Coelho if (ret < 0) { 9647b3115f2SLuciano Coelho wl1271_warning("CONFIGURE command NOK"); 9657b3115f2SLuciano Coelho return ret; 9667b3115f2SLuciano Coelho } 9677b3115f2SLuciano Coelho 9687b3115f2SLuciano Coelho return 0; 9697b3115f2SLuciano Coelho } 9707b3115f2SLuciano Coelho 9717b3115f2SLuciano Coelho int wl1271_cmd_data_path(struct wl1271 *wl, bool enable) 9727b3115f2SLuciano Coelho { 9737b3115f2SLuciano Coelho struct cmd_enabledisable_path *cmd; 9747b3115f2SLuciano Coelho int ret; 9757b3115f2SLuciano Coelho u16 cmd_rx, cmd_tx; 9767b3115f2SLuciano Coelho 9777b3115f2SLuciano Coelho wl1271_debug(DEBUG_CMD, "cmd data path"); 9787b3115f2SLuciano Coelho 9797b3115f2SLuciano Coelho cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 9807b3115f2SLuciano Coelho if (!cmd) { 9817b3115f2SLuciano Coelho ret = -ENOMEM; 9827b3115f2SLuciano Coelho goto out; 9837b3115f2SLuciano Coelho } 9847b3115f2SLuciano Coelho 9857b3115f2SLuciano Coelho /* the channel here is only used for calibration, so hardcoded to 1 */ 9867b3115f2SLuciano Coelho cmd->channel = 1; 9877b3115f2SLuciano Coelho 9887b3115f2SLuciano Coelho if (enable) { 9897b3115f2SLuciano Coelho cmd_rx = CMD_ENABLE_RX; 9907b3115f2SLuciano Coelho cmd_tx = CMD_ENABLE_TX; 9917b3115f2SLuciano Coelho } else { 9927b3115f2SLuciano Coelho cmd_rx = CMD_DISABLE_RX; 9937b3115f2SLuciano Coelho cmd_tx = CMD_DISABLE_TX; 9947b3115f2SLuciano Coelho } 9957b3115f2SLuciano Coelho 9967b3115f2SLuciano Coelho ret = wl1271_cmd_send(wl, cmd_rx, cmd, sizeof(*cmd), 0); 9977b3115f2SLuciano Coelho if (ret < 0) { 9987b3115f2SLuciano Coelho wl1271_error("rx %s cmd for channel %d failed", 9997b3115f2SLuciano Coelho enable ? "start" : "stop", cmd->channel); 10007b3115f2SLuciano Coelho goto out; 10017b3115f2SLuciano Coelho } 10027b3115f2SLuciano Coelho 10037b3115f2SLuciano Coelho wl1271_debug(DEBUG_BOOT, "rx %s cmd channel %d", 10047b3115f2SLuciano Coelho enable ? "start" : "stop", cmd->channel); 10057b3115f2SLuciano Coelho 10067b3115f2SLuciano Coelho ret = wl1271_cmd_send(wl, cmd_tx, cmd, sizeof(*cmd), 0); 10077b3115f2SLuciano Coelho if (ret < 0) { 10087b3115f2SLuciano Coelho wl1271_error("tx %s cmd for channel %d failed", 10097b3115f2SLuciano Coelho enable ? "start" : "stop", cmd->channel); 10107b3115f2SLuciano Coelho goto out; 10117b3115f2SLuciano Coelho } 10127b3115f2SLuciano Coelho 10137b3115f2SLuciano Coelho wl1271_debug(DEBUG_BOOT, "tx %s cmd channel %d", 10147b3115f2SLuciano Coelho enable ? "start" : "stop", cmd->channel); 10157b3115f2SLuciano Coelho 10167b3115f2SLuciano Coelho out: 10177b3115f2SLuciano Coelho kfree(cmd); 10187b3115f2SLuciano Coelho return ret; 10197b3115f2SLuciano Coelho } 10207b3115f2SLuciano Coelho 10217b3115f2SLuciano Coelho int wl1271_cmd_ps_mode(struct wl1271 *wl, struct wl12xx_vif *wlvif, 10227b3115f2SLuciano Coelho u8 ps_mode, u16 auto_ps_timeout) 10237b3115f2SLuciano Coelho { 10247b3115f2SLuciano Coelho struct wl1271_cmd_ps_params *ps_params = NULL; 10257b3115f2SLuciano Coelho int ret = 0; 10267b3115f2SLuciano Coelho 10277b3115f2SLuciano Coelho wl1271_debug(DEBUG_CMD, "cmd set ps mode"); 10287b3115f2SLuciano Coelho 10297b3115f2SLuciano Coelho ps_params = kzalloc(sizeof(*ps_params), GFP_KERNEL); 10307b3115f2SLuciano Coelho if (!ps_params) { 10317b3115f2SLuciano Coelho ret = -ENOMEM; 10327b3115f2SLuciano Coelho goto out; 10337b3115f2SLuciano Coelho } 10347b3115f2SLuciano Coelho 10357b3115f2SLuciano Coelho ps_params->role_id = wlvif->role_id; 10367b3115f2SLuciano Coelho ps_params->ps_mode = ps_mode; 10377b3115f2SLuciano Coelho ps_params->auto_ps_timeout = auto_ps_timeout; 10387b3115f2SLuciano Coelho 10397b3115f2SLuciano Coelho ret = wl1271_cmd_send(wl, CMD_SET_PS_MODE, ps_params, 10407b3115f2SLuciano Coelho sizeof(*ps_params), 0); 10417b3115f2SLuciano Coelho if (ret < 0) { 10427b3115f2SLuciano Coelho wl1271_error("cmd set_ps_mode failed"); 10437b3115f2SLuciano Coelho goto out; 10447b3115f2SLuciano Coelho } 10457b3115f2SLuciano Coelho 10467b3115f2SLuciano Coelho out: 10477b3115f2SLuciano Coelho kfree(ps_params); 10487b3115f2SLuciano Coelho return ret; 10497b3115f2SLuciano Coelho } 10507b3115f2SLuciano Coelho 10517b3115f2SLuciano Coelho int wl1271_cmd_template_set(struct wl1271 *wl, u8 role_id, 10527b3115f2SLuciano Coelho u16 template_id, void *buf, size_t buf_len, 10537b3115f2SLuciano Coelho int index, u32 rates) 10547b3115f2SLuciano Coelho { 10557b3115f2SLuciano Coelho struct wl1271_cmd_template_set *cmd; 10567b3115f2SLuciano Coelho int ret = 0; 10577b3115f2SLuciano Coelho 10587b3115f2SLuciano Coelho wl1271_debug(DEBUG_CMD, "cmd template_set %d (role %d)", 10597b3115f2SLuciano Coelho template_id, role_id); 10607b3115f2SLuciano Coelho 10617b3115f2SLuciano Coelho WARN_ON(buf_len > WL1271_CMD_TEMPL_MAX_SIZE); 10627b3115f2SLuciano Coelho buf_len = min_t(size_t, buf_len, WL1271_CMD_TEMPL_MAX_SIZE); 10637b3115f2SLuciano Coelho 10647b3115f2SLuciano Coelho cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 10657b3115f2SLuciano Coelho if (!cmd) { 10667b3115f2SLuciano Coelho ret = -ENOMEM; 10677b3115f2SLuciano Coelho goto out; 10687b3115f2SLuciano Coelho } 10697b3115f2SLuciano Coelho 10707b3115f2SLuciano Coelho /* during initialization wlvif is NULL */ 10717b3115f2SLuciano Coelho cmd->role_id = role_id; 10727b3115f2SLuciano Coelho cmd->len = cpu_to_le16(buf_len); 10737b3115f2SLuciano Coelho cmd->template_type = template_id; 10747b3115f2SLuciano Coelho cmd->enabled_rates = cpu_to_le32(rates); 10757b3115f2SLuciano Coelho cmd->short_retry_limit = wl->conf.tx.tmpl_short_retry_limit; 10767b3115f2SLuciano Coelho cmd->long_retry_limit = wl->conf.tx.tmpl_long_retry_limit; 10777b3115f2SLuciano Coelho cmd->index = index; 10787b3115f2SLuciano Coelho 10797b3115f2SLuciano Coelho if (buf) 10807b3115f2SLuciano Coelho memcpy(cmd->template_data, buf, buf_len); 10817b3115f2SLuciano Coelho 10827b3115f2SLuciano Coelho ret = wl1271_cmd_send(wl, CMD_SET_TEMPLATE, cmd, sizeof(*cmd), 0); 10837b3115f2SLuciano Coelho if (ret < 0) { 10847b3115f2SLuciano Coelho wl1271_warning("cmd set_template failed: %d", ret); 10857b3115f2SLuciano Coelho goto out_free; 10867b3115f2SLuciano Coelho } 10877b3115f2SLuciano Coelho 10887b3115f2SLuciano Coelho out_free: 10897b3115f2SLuciano Coelho kfree(cmd); 10907b3115f2SLuciano Coelho 10917b3115f2SLuciano Coelho out: 10927b3115f2SLuciano Coelho return ret; 10937b3115f2SLuciano Coelho } 10947b3115f2SLuciano Coelho 10957b3115f2SLuciano Coelho int wl12xx_cmd_build_null_data(struct wl1271 *wl, struct wl12xx_vif *wlvif) 10967b3115f2SLuciano Coelho { 10977b3115f2SLuciano Coelho struct sk_buff *skb = NULL; 10987b3115f2SLuciano Coelho int size; 10997b3115f2SLuciano Coelho void *ptr; 11007b3115f2SLuciano Coelho int ret = -ENOMEM; 11017b3115f2SLuciano Coelho 11027b3115f2SLuciano Coelho 11037b3115f2SLuciano Coelho if (wlvif->bss_type == BSS_TYPE_IBSS) { 11047b3115f2SLuciano Coelho size = sizeof(struct wl12xx_null_data_template); 11057b3115f2SLuciano Coelho ptr = NULL; 11067b3115f2SLuciano Coelho } else { 11077b3115f2SLuciano Coelho skb = ieee80211_nullfunc_get(wl->hw, 11087b3115f2SLuciano Coelho wl12xx_wlvif_to_vif(wlvif)); 11097b3115f2SLuciano Coelho if (!skb) 11107b3115f2SLuciano Coelho goto out; 11117b3115f2SLuciano Coelho size = skb->len; 11127b3115f2SLuciano Coelho ptr = skb->data; 11137b3115f2SLuciano Coelho } 11147b3115f2SLuciano Coelho 11157b3115f2SLuciano Coelho ret = wl1271_cmd_template_set(wl, wlvif->role_id, 11167b3115f2SLuciano Coelho CMD_TEMPL_NULL_DATA, ptr, size, 0, 11177b3115f2SLuciano Coelho wlvif->basic_rate); 11187b3115f2SLuciano Coelho 11197b3115f2SLuciano Coelho out: 11207b3115f2SLuciano Coelho dev_kfree_skb(skb); 11217b3115f2SLuciano Coelho if (ret) 11227b3115f2SLuciano Coelho wl1271_warning("cmd buld null data failed %d", ret); 11237b3115f2SLuciano Coelho 11247b3115f2SLuciano Coelho return ret; 11257b3115f2SLuciano Coelho 11267b3115f2SLuciano Coelho } 11277b3115f2SLuciano Coelho 11287b3115f2SLuciano Coelho int wl12xx_cmd_build_klv_null_data(struct wl1271 *wl, 11297b3115f2SLuciano Coelho struct wl12xx_vif *wlvif) 11307b3115f2SLuciano Coelho { 11317b3115f2SLuciano Coelho struct ieee80211_vif *vif = wl12xx_wlvif_to_vif(wlvif); 11327b3115f2SLuciano Coelho struct sk_buff *skb = NULL; 11337b3115f2SLuciano Coelho int ret = -ENOMEM; 11347b3115f2SLuciano Coelho 11357b3115f2SLuciano Coelho skb = ieee80211_nullfunc_get(wl->hw, vif); 11367b3115f2SLuciano Coelho if (!skb) 11377b3115f2SLuciano Coelho goto out; 11387b3115f2SLuciano Coelho 11397b3115f2SLuciano Coelho ret = wl1271_cmd_template_set(wl, wlvif->role_id, CMD_TEMPL_KLV, 11407b3115f2SLuciano Coelho skb->data, skb->len, 11417b3115f2SLuciano Coelho CMD_TEMPL_KLV_IDX_NULL_DATA, 11427b3115f2SLuciano Coelho wlvif->basic_rate); 11437b3115f2SLuciano Coelho 11447b3115f2SLuciano Coelho out: 11457b3115f2SLuciano Coelho dev_kfree_skb(skb); 11467b3115f2SLuciano Coelho if (ret) 11477b3115f2SLuciano Coelho wl1271_warning("cmd build klv null data failed %d", ret); 11487b3115f2SLuciano Coelho 11497b3115f2SLuciano Coelho return ret; 11507b3115f2SLuciano Coelho 11517b3115f2SLuciano Coelho } 11527b3115f2SLuciano Coelho 11537b3115f2SLuciano Coelho int wl1271_cmd_build_ps_poll(struct wl1271 *wl, struct wl12xx_vif *wlvif, 11547b3115f2SLuciano Coelho u16 aid) 11557b3115f2SLuciano Coelho { 11567b3115f2SLuciano Coelho struct ieee80211_vif *vif = wl12xx_wlvif_to_vif(wlvif); 11577b3115f2SLuciano Coelho struct sk_buff *skb; 11587b3115f2SLuciano Coelho int ret = 0; 11597b3115f2SLuciano Coelho 11607b3115f2SLuciano Coelho skb = ieee80211_pspoll_get(wl->hw, vif); 11617b3115f2SLuciano Coelho if (!skb) 11627b3115f2SLuciano Coelho goto out; 11637b3115f2SLuciano Coelho 11647b3115f2SLuciano Coelho ret = wl1271_cmd_template_set(wl, wlvif->role_id, 11657b3115f2SLuciano Coelho CMD_TEMPL_PS_POLL, skb->data, 11667b3115f2SLuciano Coelho skb->len, 0, wlvif->basic_rate_set); 11677b3115f2SLuciano Coelho 11687b3115f2SLuciano Coelho out: 11697b3115f2SLuciano Coelho dev_kfree_skb(skb); 11707b3115f2SLuciano Coelho return ret; 11717b3115f2SLuciano Coelho } 11727b3115f2SLuciano Coelho 11737b3115f2SLuciano Coelho int wl12xx_cmd_build_probe_req(struct wl1271 *wl, struct wl12xx_vif *wlvif, 11747b3115f2SLuciano Coelho u8 role_id, u8 band, 11757b3115f2SLuciano Coelho const u8 *ssid, size_t ssid_len, 11767b3115f2SLuciano Coelho const u8 *ie, size_t ie_len) 11777b3115f2SLuciano Coelho { 11787b3115f2SLuciano Coelho struct ieee80211_vif *vif = wl12xx_wlvif_to_vif(wlvif); 11797b3115f2SLuciano Coelho struct sk_buff *skb; 11807b3115f2SLuciano Coelho int ret; 11817b3115f2SLuciano Coelho u32 rate; 11827b3115f2SLuciano Coelho 11837b3115f2SLuciano Coelho skb = ieee80211_probereq_get(wl->hw, vif, ssid, ssid_len, 11847b3115f2SLuciano Coelho ie, ie_len); 11857b3115f2SLuciano Coelho if (!skb) { 11867b3115f2SLuciano Coelho ret = -ENOMEM; 11877b3115f2SLuciano Coelho goto out; 11887b3115f2SLuciano Coelho } 11897b3115f2SLuciano Coelho 11907b3115f2SLuciano Coelho wl1271_dump(DEBUG_SCAN, "PROBE REQ: ", skb->data, skb->len); 11917b3115f2SLuciano Coelho 11927b3115f2SLuciano Coelho rate = wl1271_tx_min_rate_get(wl, wlvif->bitrate_masks[band]); 11937b3115f2SLuciano Coelho if (band == IEEE80211_BAND_2GHZ) 11947b3115f2SLuciano Coelho ret = wl1271_cmd_template_set(wl, role_id, 11957b3115f2SLuciano Coelho CMD_TEMPL_CFG_PROBE_REQ_2_4, 11967b3115f2SLuciano Coelho skb->data, skb->len, 0, rate); 11977b3115f2SLuciano Coelho else 11987b3115f2SLuciano Coelho ret = wl1271_cmd_template_set(wl, role_id, 11997b3115f2SLuciano Coelho CMD_TEMPL_CFG_PROBE_REQ_5, 12007b3115f2SLuciano Coelho skb->data, skb->len, 0, rate); 12017b3115f2SLuciano Coelho 12027b3115f2SLuciano Coelho out: 12037b3115f2SLuciano Coelho dev_kfree_skb(skb); 12047b3115f2SLuciano Coelho return ret; 12057b3115f2SLuciano Coelho } 12067b3115f2SLuciano Coelho 12077b3115f2SLuciano Coelho struct sk_buff *wl1271_cmd_build_ap_probe_req(struct wl1271 *wl, 12087b3115f2SLuciano Coelho struct wl12xx_vif *wlvif, 12097b3115f2SLuciano Coelho struct sk_buff *skb) 12107b3115f2SLuciano Coelho { 12117b3115f2SLuciano Coelho struct ieee80211_vif *vif = wl12xx_wlvif_to_vif(wlvif); 12127b3115f2SLuciano Coelho int ret; 12137b3115f2SLuciano Coelho u32 rate; 12147b3115f2SLuciano Coelho 12157b3115f2SLuciano Coelho if (!skb) 12167b3115f2SLuciano Coelho skb = ieee80211_ap_probereq_get(wl->hw, vif); 12177b3115f2SLuciano Coelho if (!skb) 12187b3115f2SLuciano Coelho goto out; 12197b3115f2SLuciano Coelho 12207b3115f2SLuciano Coelho wl1271_dump(DEBUG_SCAN, "AP PROBE REQ: ", skb->data, skb->len); 12217b3115f2SLuciano Coelho 12227b3115f2SLuciano Coelho rate = wl1271_tx_min_rate_get(wl, wlvif->bitrate_masks[wlvif->band]); 12237b3115f2SLuciano Coelho if (wlvif->band == IEEE80211_BAND_2GHZ) 12247b3115f2SLuciano Coelho ret = wl1271_cmd_template_set(wl, wlvif->role_id, 12257b3115f2SLuciano Coelho CMD_TEMPL_CFG_PROBE_REQ_2_4, 12267b3115f2SLuciano Coelho skb->data, skb->len, 0, rate); 12277b3115f2SLuciano Coelho else 12287b3115f2SLuciano Coelho ret = wl1271_cmd_template_set(wl, wlvif->role_id, 12297b3115f2SLuciano Coelho CMD_TEMPL_CFG_PROBE_REQ_5, 12307b3115f2SLuciano Coelho skb->data, skb->len, 0, rate); 12317b3115f2SLuciano Coelho 12327b3115f2SLuciano Coelho if (ret < 0) 12337b3115f2SLuciano Coelho wl1271_error("Unable to set ap probe request template."); 12347b3115f2SLuciano Coelho 12357b3115f2SLuciano Coelho out: 12367b3115f2SLuciano Coelho return skb; 12377b3115f2SLuciano Coelho } 12387b3115f2SLuciano Coelho 12397b3115f2SLuciano Coelho int wl1271_cmd_build_arp_rsp(struct wl1271 *wl, struct wl12xx_vif *wlvif) 12407b3115f2SLuciano Coelho { 12417b3115f2SLuciano Coelho int ret, extra; 12427b3115f2SLuciano Coelho u16 fc; 12437b3115f2SLuciano Coelho struct ieee80211_vif *vif = wl12xx_wlvif_to_vif(wlvif); 12447b3115f2SLuciano Coelho struct sk_buff *skb; 12457b3115f2SLuciano Coelho struct wl12xx_arp_rsp_template *tmpl; 12467b3115f2SLuciano Coelho struct ieee80211_hdr_3addr *hdr; 12477b3115f2SLuciano Coelho struct arphdr *arp_hdr; 12487b3115f2SLuciano Coelho 12497b3115f2SLuciano Coelho skb = dev_alloc_skb(sizeof(*hdr) + sizeof(__le16) + sizeof(*tmpl) + 12507b3115f2SLuciano Coelho WL1271_EXTRA_SPACE_MAX); 12517b3115f2SLuciano Coelho if (!skb) { 12527b3115f2SLuciano Coelho wl1271_error("failed to allocate buffer for arp rsp template"); 12537b3115f2SLuciano Coelho return -ENOMEM; 12547b3115f2SLuciano Coelho } 12557b3115f2SLuciano Coelho 12567b3115f2SLuciano Coelho skb_reserve(skb, sizeof(*hdr) + WL1271_EXTRA_SPACE_MAX); 12577b3115f2SLuciano Coelho 12587b3115f2SLuciano Coelho tmpl = (struct wl12xx_arp_rsp_template *)skb_put(skb, sizeof(*tmpl)); 12597b3115f2SLuciano Coelho memset(tmpl, 0, sizeof(tmpl)); 12607b3115f2SLuciano Coelho 12617b3115f2SLuciano Coelho /* llc layer */ 12627b3115f2SLuciano Coelho memcpy(tmpl->llc_hdr, rfc1042_header, sizeof(rfc1042_header)); 12637b3115f2SLuciano Coelho tmpl->llc_type = cpu_to_be16(ETH_P_ARP); 12647b3115f2SLuciano Coelho 12657b3115f2SLuciano Coelho /* arp header */ 12667b3115f2SLuciano Coelho arp_hdr = &tmpl->arp_hdr; 12677b3115f2SLuciano Coelho arp_hdr->ar_hrd = cpu_to_be16(ARPHRD_ETHER); 12687b3115f2SLuciano Coelho arp_hdr->ar_pro = cpu_to_be16(ETH_P_IP); 12697b3115f2SLuciano Coelho arp_hdr->ar_hln = ETH_ALEN; 12707b3115f2SLuciano Coelho arp_hdr->ar_pln = 4; 12717b3115f2SLuciano Coelho arp_hdr->ar_op = cpu_to_be16(ARPOP_REPLY); 12727b3115f2SLuciano Coelho 12737b3115f2SLuciano Coelho /* arp payload */ 12747b3115f2SLuciano Coelho memcpy(tmpl->sender_hw, vif->addr, ETH_ALEN); 12757b3115f2SLuciano Coelho tmpl->sender_ip = wlvif->ip_addr; 12767b3115f2SLuciano Coelho 12777b3115f2SLuciano Coelho /* encryption space */ 12787b3115f2SLuciano Coelho switch (wlvif->encryption_type) { 12797b3115f2SLuciano Coelho case KEY_TKIP: 12807b3115f2SLuciano Coelho extra = WL1271_EXTRA_SPACE_TKIP; 12817b3115f2SLuciano Coelho break; 12827b3115f2SLuciano Coelho case KEY_AES: 12837b3115f2SLuciano Coelho extra = WL1271_EXTRA_SPACE_AES; 12847b3115f2SLuciano Coelho break; 12857b3115f2SLuciano Coelho case KEY_NONE: 12867b3115f2SLuciano Coelho case KEY_WEP: 12877b3115f2SLuciano Coelho case KEY_GEM: 12887b3115f2SLuciano Coelho extra = 0; 12897b3115f2SLuciano Coelho break; 12907b3115f2SLuciano Coelho default: 12917b3115f2SLuciano Coelho wl1271_warning("Unknown encryption type: %d", 12927b3115f2SLuciano Coelho wlvif->encryption_type); 12937b3115f2SLuciano Coelho ret = -EINVAL; 12947b3115f2SLuciano Coelho goto out; 12957b3115f2SLuciano Coelho } 12967b3115f2SLuciano Coelho 12977b3115f2SLuciano Coelho if (extra) { 12987b3115f2SLuciano Coelho u8 *space = skb_push(skb, extra); 12997b3115f2SLuciano Coelho memset(space, 0, extra); 13007b3115f2SLuciano Coelho } 13017b3115f2SLuciano Coelho 13027b3115f2SLuciano Coelho /* QoS header - BE */ 13037b3115f2SLuciano Coelho if (wlvif->sta.qos) 13047b3115f2SLuciano Coelho memset(skb_push(skb, sizeof(__le16)), 0, sizeof(__le16)); 13057b3115f2SLuciano Coelho 13067b3115f2SLuciano Coelho /* mac80211 header */ 13077b3115f2SLuciano Coelho hdr = (struct ieee80211_hdr_3addr *)skb_push(skb, sizeof(*hdr)); 13087b3115f2SLuciano Coelho memset(hdr, 0, sizeof(hdr)); 13097b3115f2SLuciano Coelho fc = IEEE80211_FTYPE_DATA | IEEE80211_FCTL_TODS; 13107b3115f2SLuciano Coelho if (wlvif->sta.qos) 13117b3115f2SLuciano Coelho fc |= IEEE80211_STYPE_QOS_DATA; 13127b3115f2SLuciano Coelho else 13137b3115f2SLuciano Coelho fc |= IEEE80211_STYPE_DATA; 13147b3115f2SLuciano Coelho if (wlvif->encryption_type != KEY_NONE) 13157b3115f2SLuciano Coelho fc |= IEEE80211_FCTL_PROTECTED; 13167b3115f2SLuciano Coelho 13177b3115f2SLuciano Coelho hdr->frame_control = cpu_to_le16(fc); 13187b3115f2SLuciano Coelho memcpy(hdr->addr1, vif->bss_conf.bssid, ETH_ALEN); 13197b3115f2SLuciano Coelho memcpy(hdr->addr2, vif->addr, ETH_ALEN); 13207b3115f2SLuciano Coelho memset(hdr->addr3, 0xff, ETH_ALEN); 13217b3115f2SLuciano Coelho 13227b3115f2SLuciano Coelho ret = wl1271_cmd_template_set(wl, wlvif->role_id, CMD_TEMPL_ARP_RSP, 13237b3115f2SLuciano Coelho skb->data, skb->len, 0, 13247b3115f2SLuciano Coelho wlvif->basic_rate); 13257b3115f2SLuciano Coelho out: 13267b3115f2SLuciano Coelho dev_kfree_skb(skb); 13277b3115f2SLuciano Coelho return ret; 13287b3115f2SLuciano Coelho } 13297b3115f2SLuciano Coelho 13307b3115f2SLuciano Coelho int wl1271_build_qos_null_data(struct wl1271 *wl, struct ieee80211_vif *vif) 13317b3115f2SLuciano Coelho { 13327b3115f2SLuciano Coelho struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); 13337b3115f2SLuciano Coelho struct ieee80211_qos_hdr template; 13347b3115f2SLuciano Coelho 13357b3115f2SLuciano Coelho memset(&template, 0, sizeof(template)); 13367b3115f2SLuciano Coelho 13377b3115f2SLuciano Coelho memcpy(template.addr1, vif->bss_conf.bssid, ETH_ALEN); 13387b3115f2SLuciano Coelho memcpy(template.addr2, vif->addr, ETH_ALEN); 13397b3115f2SLuciano Coelho memcpy(template.addr3, vif->bss_conf.bssid, ETH_ALEN); 13407b3115f2SLuciano Coelho 13417b3115f2SLuciano Coelho template.frame_control = cpu_to_le16(IEEE80211_FTYPE_DATA | 13427b3115f2SLuciano Coelho IEEE80211_STYPE_QOS_NULLFUNC | 13437b3115f2SLuciano Coelho IEEE80211_FCTL_TODS); 13447b3115f2SLuciano Coelho 13457b3115f2SLuciano Coelho /* FIXME: not sure what priority to use here */ 13467b3115f2SLuciano Coelho template.qos_ctrl = cpu_to_le16(0); 13477b3115f2SLuciano Coelho 13487b3115f2SLuciano Coelho return wl1271_cmd_template_set(wl, wlvif->role_id, 13497b3115f2SLuciano Coelho CMD_TEMPL_QOS_NULL_DATA, &template, 13507b3115f2SLuciano Coelho sizeof(template), 0, 13517b3115f2SLuciano Coelho wlvif->basic_rate); 13527b3115f2SLuciano Coelho } 13537b3115f2SLuciano Coelho 13547b3115f2SLuciano Coelho int wl12xx_cmd_set_default_wep_key(struct wl1271 *wl, u8 id, u8 hlid) 13557b3115f2SLuciano Coelho { 13567b3115f2SLuciano Coelho struct wl1271_cmd_set_keys *cmd; 13577b3115f2SLuciano Coelho int ret = 0; 13587b3115f2SLuciano Coelho 13597b3115f2SLuciano Coelho wl1271_debug(DEBUG_CMD, "cmd set_default_wep_key %d", id); 13607b3115f2SLuciano Coelho 13617b3115f2SLuciano Coelho cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 13627b3115f2SLuciano Coelho if (!cmd) { 13637b3115f2SLuciano Coelho ret = -ENOMEM; 13647b3115f2SLuciano Coelho goto out; 13657b3115f2SLuciano Coelho } 13667b3115f2SLuciano Coelho 13677b3115f2SLuciano Coelho cmd->hlid = hlid; 13687b3115f2SLuciano Coelho cmd->key_id = id; 13697b3115f2SLuciano Coelho cmd->lid_key_type = WEP_DEFAULT_LID_TYPE; 13707b3115f2SLuciano Coelho cmd->key_action = cpu_to_le16(KEY_SET_ID); 13717b3115f2SLuciano Coelho cmd->key_type = KEY_WEP; 13727b3115f2SLuciano Coelho 13737b3115f2SLuciano Coelho ret = wl1271_cmd_send(wl, CMD_SET_KEYS, cmd, sizeof(*cmd), 0); 13747b3115f2SLuciano Coelho if (ret < 0) { 13757b3115f2SLuciano Coelho wl1271_warning("cmd set_default_wep_key failed: %d", ret); 13767b3115f2SLuciano Coelho goto out; 13777b3115f2SLuciano Coelho } 13787b3115f2SLuciano Coelho 13797b3115f2SLuciano Coelho out: 13807b3115f2SLuciano Coelho kfree(cmd); 13817b3115f2SLuciano Coelho 13827b3115f2SLuciano Coelho return ret; 13837b3115f2SLuciano Coelho } 13847b3115f2SLuciano Coelho 13857b3115f2SLuciano Coelho int wl1271_cmd_set_sta_key(struct wl1271 *wl, struct wl12xx_vif *wlvif, 13867b3115f2SLuciano Coelho u16 action, u8 id, u8 key_type, 13877b3115f2SLuciano Coelho u8 key_size, const u8 *key, const u8 *addr, 13887b3115f2SLuciano Coelho u32 tx_seq_32, u16 tx_seq_16) 13897b3115f2SLuciano Coelho { 13907b3115f2SLuciano Coelho struct wl1271_cmd_set_keys *cmd; 13917b3115f2SLuciano Coelho int ret = 0; 13927b3115f2SLuciano Coelho 13937b3115f2SLuciano Coelho /* hlid might have already been deleted */ 13947b3115f2SLuciano Coelho if (wlvif->sta.hlid == WL12XX_INVALID_LINK_ID) 13957b3115f2SLuciano Coelho return 0; 13967b3115f2SLuciano Coelho 13977b3115f2SLuciano Coelho cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 13987b3115f2SLuciano Coelho if (!cmd) { 13997b3115f2SLuciano Coelho ret = -ENOMEM; 14007b3115f2SLuciano Coelho goto out; 14017b3115f2SLuciano Coelho } 14027b3115f2SLuciano Coelho 14037b3115f2SLuciano Coelho cmd->hlid = wlvif->sta.hlid; 14047b3115f2SLuciano Coelho 14057b3115f2SLuciano Coelho if (key_type == KEY_WEP) 14067b3115f2SLuciano Coelho cmd->lid_key_type = WEP_DEFAULT_LID_TYPE; 14077b3115f2SLuciano Coelho else if (is_broadcast_ether_addr(addr)) 14087b3115f2SLuciano Coelho cmd->lid_key_type = BROADCAST_LID_TYPE; 14097b3115f2SLuciano Coelho else 14107b3115f2SLuciano Coelho cmd->lid_key_type = UNICAST_LID_TYPE; 14117b3115f2SLuciano Coelho 14127b3115f2SLuciano Coelho cmd->key_action = cpu_to_le16(action); 14137b3115f2SLuciano Coelho cmd->key_size = key_size; 14147b3115f2SLuciano Coelho cmd->key_type = key_type; 14157b3115f2SLuciano Coelho 14167b3115f2SLuciano Coelho cmd->ac_seq_num16[0] = cpu_to_le16(tx_seq_16); 14177b3115f2SLuciano Coelho cmd->ac_seq_num32[0] = cpu_to_le32(tx_seq_32); 14187b3115f2SLuciano Coelho 14197b3115f2SLuciano Coelho cmd->key_id = id; 14207b3115f2SLuciano Coelho 14217b3115f2SLuciano Coelho if (key_type == KEY_TKIP) { 14227b3115f2SLuciano Coelho /* 14237b3115f2SLuciano Coelho * We get the key in the following form: 14247b3115f2SLuciano Coelho * TKIP (16 bytes) - TX MIC (8 bytes) - RX MIC (8 bytes) 14257b3115f2SLuciano Coelho * but the target is expecting: 14267b3115f2SLuciano Coelho * TKIP - RX MIC - TX MIC 14277b3115f2SLuciano Coelho */ 14287b3115f2SLuciano Coelho memcpy(cmd->key, key, 16); 14297b3115f2SLuciano Coelho memcpy(cmd->key + 16, key + 24, 8); 14307b3115f2SLuciano Coelho memcpy(cmd->key + 24, key + 16, 8); 14317b3115f2SLuciano Coelho 14327b3115f2SLuciano Coelho } else { 14337b3115f2SLuciano Coelho memcpy(cmd->key, key, key_size); 14347b3115f2SLuciano Coelho } 14357b3115f2SLuciano Coelho 14367b3115f2SLuciano Coelho wl1271_dump(DEBUG_CRYPT, "TARGET KEY: ", cmd, sizeof(*cmd)); 14377b3115f2SLuciano Coelho 14387b3115f2SLuciano Coelho ret = wl1271_cmd_send(wl, CMD_SET_KEYS, cmd, sizeof(*cmd), 0); 14397b3115f2SLuciano Coelho if (ret < 0) { 14407b3115f2SLuciano Coelho wl1271_warning("could not set keys"); 14417b3115f2SLuciano Coelho goto out; 14427b3115f2SLuciano Coelho } 14437b3115f2SLuciano Coelho 14447b3115f2SLuciano Coelho out: 14457b3115f2SLuciano Coelho kfree(cmd); 14467b3115f2SLuciano Coelho 14477b3115f2SLuciano Coelho return ret; 14487b3115f2SLuciano Coelho } 14497b3115f2SLuciano Coelho 14507b3115f2SLuciano Coelho /* 14517b3115f2SLuciano Coelho * TODO: merge with sta/ibss into 1 set_key function. 14527b3115f2SLuciano Coelho * note there are slight diffs 14537b3115f2SLuciano Coelho */ 14547b3115f2SLuciano Coelho int wl1271_cmd_set_ap_key(struct wl1271 *wl, struct wl12xx_vif *wlvif, 14557b3115f2SLuciano Coelho u16 action, u8 id, u8 key_type, 14567b3115f2SLuciano Coelho u8 key_size, const u8 *key, u8 hlid, u32 tx_seq_32, 14577b3115f2SLuciano Coelho u16 tx_seq_16) 14587b3115f2SLuciano Coelho { 14597b3115f2SLuciano Coelho struct wl1271_cmd_set_keys *cmd; 14607b3115f2SLuciano Coelho int ret = 0; 14617b3115f2SLuciano Coelho u8 lid_type; 14627b3115f2SLuciano Coelho 14637b3115f2SLuciano Coelho cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 14647b3115f2SLuciano Coelho if (!cmd) 14657b3115f2SLuciano Coelho return -ENOMEM; 14667b3115f2SLuciano Coelho 14677b3115f2SLuciano Coelho if (hlid == wlvif->ap.bcast_hlid) { 14687b3115f2SLuciano Coelho if (key_type == KEY_WEP) 14697b3115f2SLuciano Coelho lid_type = WEP_DEFAULT_LID_TYPE; 14707b3115f2SLuciano Coelho else 14717b3115f2SLuciano Coelho lid_type = BROADCAST_LID_TYPE; 14727b3115f2SLuciano Coelho } else { 14737b3115f2SLuciano Coelho lid_type = UNICAST_LID_TYPE; 14747b3115f2SLuciano Coelho } 14757b3115f2SLuciano Coelho 14767b3115f2SLuciano Coelho wl1271_debug(DEBUG_CRYPT, "ap key action: %d id: %d lid: %d type: %d" 14777b3115f2SLuciano Coelho " hlid: %d", (int)action, (int)id, (int)lid_type, 14787b3115f2SLuciano Coelho (int)key_type, (int)hlid); 14797b3115f2SLuciano Coelho 14807b3115f2SLuciano Coelho cmd->lid_key_type = lid_type; 14817b3115f2SLuciano Coelho cmd->hlid = hlid; 14827b3115f2SLuciano Coelho cmd->key_action = cpu_to_le16(action); 14837b3115f2SLuciano Coelho cmd->key_size = key_size; 14847b3115f2SLuciano Coelho cmd->key_type = key_type; 14857b3115f2SLuciano Coelho cmd->key_id = id; 14867b3115f2SLuciano Coelho cmd->ac_seq_num16[0] = cpu_to_le16(tx_seq_16); 14877b3115f2SLuciano Coelho cmd->ac_seq_num32[0] = cpu_to_le32(tx_seq_32); 14887b3115f2SLuciano Coelho 14897b3115f2SLuciano Coelho if (key_type == KEY_TKIP) { 14907b3115f2SLuciano Coelho /* 14917b3115f2SLuciano Coelho * We get the key in the following form: 14927b3115f2SLuciano Coelho * TKIP (16 bytes) - TX MIC (8 bytes) - RX MIC (8 bytes) 14937b3115f2SLuciano Coelho * but the target is expecting: 14947b3115f2SLuciano Coelho * TKIP - RX MIC - TX MIC 14957b3115f2SLuciano Coelho */ 14967b3115f2SLuciano Coelho memcpy(cmd->key, key, 16); 14977b3115f2SLuciano Coelho memcpy(cmd->key + 16, key + 24, 8); 14987b3115f2SLuciano Coelho memcpy(cmd->key + 24, key + 16, 8); 14997b3115f2SLuciano Coelho } else { 15007b3115f2SLuciano Coelho memcpy(cmd->key, key, key_size); 15017b3115f2SLuciano Coelho } 15027b3115f2SLuciano Coelho 15037b3115f2SLuciano Coelho wl1271_dump(DEBUG_CRYPT, "TARGET AP KEY: ", cmd, sizeof(*cmd)); 15047b3115f2SLuciano Coelho 15057b3115f2SLuciano Coelho ret = wl1271_cmd_send(wl, CMD_SET_KEYS, cmd, sizeof(*cmd), 0); 15067b3115f2SLuciano Coelho if (ret < 0) { 15077b3115f2SLuciano Coelho wl1271_warning("could not set ap keys"); 15087b3115f2SLuciano Coelho goto out; 15097b3115f2SLuciano Coelho } 15107b3115f2SLuciano Coelho 15117b3115f2SLuciano Coelho out: 15127b3115f2SLuciano Coelho kfree(cmd); 15137b3115f2SLuciano Coelho return ret; 15147b3115f2SLuciano Coelho } 15157b3115f2SLuciano Coelho 15167b3115f2SLuciano Coelho int wl12xx_cmd_set_peer_state(struct wl1271 *wl, u8 hlid) 15177b3115f2SLuciano Coelho { 15187b3115f2SLuciano Coelho struct wl12xx_cmd_set_peer_state *cmd; 15197b3115f2SLuciano Coelho int ret = 0; 15207b3115f2SLuciano Coelho 15217b3115f2SLuciano Coelho wl1271_debug(DEBUG_CMD, "cmd set peer state (hlid=%d)", hlid); 15227b3115f2SLuciano Coelho 15237b3115f2SLuciano Coelho cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 15247b3115f2SLuciano Coelho if (!cmd) { 15257b3115f2SLuciano Coelho ret = -ENOMEM; 15267b3115f2SLuciano Coelho goto out; 15277b3115f2SLuciano Coelho } 15287b3115f2SLuciano Coelho 15297b3115f2SLuciano Coelho cmd->hlid = hlid; 15307b3115f2SLuciano Coelho cmd->state = WL1271_CMD_STA_STATE_CONNECTED; 15317b3115f2SLuciano Coelho 15327b3115f2SLuciano Coelho ret = wl1271_cmd_send(wl, CMD_SET_PEER_STATE, cmd, sizeof(*cmd), 0); 15337b3115f2SLuciano Coelho if (ret < 0) { 15347b3115f2SLuciano Coelho wl1271_error("failed to send set peer state command"); 15357b3115f2SLuciano Coelho goto out_free; 15367b3115f2SLuciano Coelho } 15377b3115f2SLuciano Coelho 15387b3115f2SLuciano Coelho out_free: 15397b3115f2SLuciano Coelho kfree(cmd); 15407b3115f2SLuciano Coelho 15417b3115f2SLuciano Coelho out: 15427b3115f2SLuciano Coelho return ret; 15437b3115f2SLuciano Coelho } 15447b3115f2SLuciano Coelho 15457b3115f2SLuciano Coelho int wl12xx_cmd_add_peer(struct wl1271 *wl, struct wl12xx_vif *wlvif, 15467b3115f2SLuciano Coelho struct ieee80211_sta *sta, u8 hlid) 15477b3115f2SLuciano Coelho { 15487b3115f2SLuciano Coelho struct wl12xx_cmd_add_peer *cmd; 15497b3115f2SLuciano Coelho int i, ret; 15507b3115f2SLuciano Coelho u32 sta_rates; 15517b3115f2SLuciano Coelho 15527b3115f2SLuciano Coelho wl1271_debug(DEBUG_CMD, "cmd add peer %d", (int)hlid); 15537b3115f2SLuciano Coelho 15547b3115f2SLuciano Coelho cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 15557b3115f2SLuciano Coelho if (!cmd) { 15567b3115f2SLuciano Coelho ret = -ENOMEM; 15577b3115f2SLuciano Coelho goto out; 15587b3115f2SLuciano Coelho } 15597b3115f2SLuciano Coelho 15607b3115f2SLuciano Coelho memcpy(cmd->addr, sta->addr, ETH_ALEN); 15617b3115f2SLuciano Coelho cmd->bss_index = WL1271_AP_BSS_INDEX; 15627b3115f2SLuciano Coelho cmd->aid = sta->aid; 15637b3115f2SLuciano Coelho cmd->hlid = hlid; 15647b3115f2SLuciano Coelho cmd->sp_len = sta->max_sp; 15657b3115f2SLuciano Coelho cmd->wmm = sta->wme ? 1 : 0; 15667b3115f2SLuciano Coelho 15677b3115f2SLuciano Coelho for (i = 0; i < NUM_ACCESS_CATEGORIES_COPY; i++) 15687b3115f2SLuciano Coelho if (sta->wme && (sta->uapsd_queues & BIT(i))) 15697b3115f2SLuciano Coelho cmd->psd_type[i] = WL1271_PSD_UPSD_TRIGGER; 15707b3115f2SLuciano Coelho else 15717b3115f2SLuciano Coelho cmd->psd_type[i] = WL1271_PSD_LEGACY; 15727b3115f2SLuciano Coelho 15737b3115f2SLuciano Coelho sta_rates = sta->supp_rates[wlvif->band]; 15747b3115f2SLuciano Coelho if (sta->ht_cap.ht_supported) 15757b3115f2SLuciano Coelho sta_rates |= sta->ht_cap.mcs.rx_mask[0] << HW_HT_RATES_OFFSET; 15767b3115f2SLuciano Coelho 15777b3115f2SLuciano Coelho cmd->supported_rates = 15787b3115f2SLuciano Coelho cpu_to_le32(wl1271_tx_enabled_rates_get(wl, sta_rates, 15797b3115f2SLuciano Coelho wlvif->band)); 15807b3115f2SLuciano Coelho 15817b3115f2SLuciano Coelho wl1271_debug(DEBUG_CMD, "new peer rates=0x%x queues=0x%x", 15827b3115f2SLuciano Coelho cmd->supported_rates, sta->uapsd_queues); 15837b3115f2SLuciano Coelho 15847b3115f2SLuciano Coelho ret = wl1271_cmd_send(wl, CMD_ADD_PEER, cmd, sizeof(*cmd), 0); 15857b3115f2SLuciano Coelho if (ret < 0) { 15867b3115f2SLuciano Coelho wl1271_error("failed to initiate cmd add peer"); 15877b3115f2SLuciano Coelho goto out_free; 15887b3115f2SLuciano Coelho } 15897b3115f2SLuciano Coelho 15907b3115f2SLuciano Coelho out_free: 15917b3115f2SLuciano Coelho kfree(cmd); 15927b3115f2SLuciano Coelho 15937b3115f2SLuciano Coelho out: 15947b3115f2SLuciano Coelho return ret; 15957b3115f2SLuciano Coelho } 15967b3115f2SLuciano Coelho 15977b3115f2SLuciano Coelho int wl12xx_cmd_remove_peer(struct wl1271 *wl, u8 hlid) 15987b3115f2SLuciano Coelho { 15997b3115f2SLuciano Coelho struct wl12xx_cmd_remove_peer *cmd; 16007b3115f2SLuciano Coelho int ret; 16017b3115f2SLuciano Coelho 16027b3115f2SLuciano Coelho wl1271_debug(DEBUG_CMD, "cmd remove peer %d", (int)hlid); 16037b3115f2SLuciano Coelho 16047b3115f2SLuciano Coelho cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 16057b3115f2SLuciano Coelho if (!cmd) { 16067b3115f2SLuciano Coelho ret = -ENOMEM; 16077b3115f2SLuciano Coelho goto out; 16087b3115f2SLuciano Coelho } 16097b3115f2SLuciano Coelho 16107b3115f2SLuciano Coelho cmd->hlid = hlid; 16117b3115f2SLuciano Coelho /* We never send a deauth, mac80211 is in charge of this */ 16127b3115f2SLuciano Coelho cmd->reason_opcode = 0; 16137b3115f2SLuciano Coelho cmd->send_deauth_flag = 0; 16147b3115f2SLuciano Coelho 16157b3115f2SLuciano Coelho ret = wl1271_cmd_send(wl, CMD_REMOVE_PEER, cmd, sizeof(*cmd), 0); 16167b3115f2SLuciano Coelho if (ret < 0) { 16177b3115f2SLuciano Coelho wl1271_error("failed to initiate cmd remove peer"); 16187b3115f2SLuciano Coelho goto out_free; 16197b3115f2SLuciano Coelho } 16207b3115f2SLuciano Coelho 16217b3115f2SLuciano Coelho /* 16227b3115f2SLuciano Coelho * We are ok with a timeout here. The event is sometimes not sent 16237b3115f2SLuciano Coelho * due to a firmware bug. 16247b3115f2SLuciano Coelho */ 16257b3115f2SLuciano Coelho wl1271_cmd_wait_for_event_or_timeout(wl, 16267b3115f2SLuciano Coelho PEER_REMOVE_COMPLETE_EVENT_ID); 16277b3115f2SLuciano Coelho 16287b3115f2SLuciano Coelho out_free: 16297b3115f2SLuciano Coelho kfree(cmd); 16307b3115f2SLuciano Coelho 16317b3115f2SLuciano Coelho out: 16327b3115f2SLuciano Coelho return ret; 16337b3115f2SLuciano Coelho } 16347b3115f2SLuciano Coelho 16357b3115f2SLuciano Coelho int wl12xx_cmd_config_fwlog(struct wl1271 *wl) 16367b3115f2SLuciano Coelho { 16377b3115f2SLuciano Coelho struct wl12xx_cmd_config_fwlog *cmd; 16387b3115f2SLuciano Coelho int ret = 0; 16397b3115f2SLuciano Coelho 16407b3115f2SLuciano Coelho wl1271_debug(DEBUG_CMD, "cmd config firmware logger"); 16417b3115f2SLuciano Coelho 16427b3115f2SLuciano Coelho cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 16437b3115f2SLuciano Coelho if (!cmd) { 16447b3115f2SLuciano Coelho ret = -ENOMEM; 16457b3115f2SLuciano Coelho goto out; 16467b3115f2SLuciano Coelho } 16477b3115f2SLuciano Coelho 16487b3115f2SLuciano Coelho cmd->logger_mode = wl->conf.fwlog.mode; 16497b3115f2SLuciano Coelho cmd->log_severity = wl->conf.fwlog.severity; 16507b3115f2SLuciano Coelho cmd->timestamp = wl->conf.fwlog.timestamp; 16517b3115f2SLuciano Coelho cmd->output = wl->conf.fwlog.output; 16527b3115f2SLuciano Coelho cmd->threshold = wl->conf.fwlog.threshold; 16537b3115f2SLuciano Coelho 16547b3115f2SLuciano Coelho ret = wl1271_cmd_send(wl, CMD_CONFIG_FWLOGGER, cmd, sizeof(*cmd), 0); 16557b3115f2SLuciano Coelho if (ret < 0) { 16567b3115f2SLuciano Coelho wl1271_error("failed to send config firmware logger command"); 16577b3115f2SLuciano Coelho goto out_free; 16587b3115f2SLuciano Coelho } 16597b3115f2SLuciano Coelho 16607b3115f2SLuciano Coelho out_free: 16617b3115f2SLuciano Coelho kfree(cmd); 16627b3115f2SLuciano Coelho 16637b3115f2SLuciano Coelho out: 16647b3115f2SLuciano Coelho return ret; 16657b3115f2SLuciano Coelho } 16667b3115f2SLuciano Coelho 16677b3115f2SLuciano Coelho int wl12xx_cmd_start_fwlog(struct wl1271 *wl) 16687b3115f2SLuciano Coelho { 16697b3115f2SLuciano Coelho struct wl12xx_cmd_start_fwlog *cmd; 16707b3115f2SLuciano Coelho int ret = 0; 16717b3115f2SLuciano Coelho 16727b3115f2SLuciano Coelho wl1271_debug(DEBUG_CMD, "cmd start firmware logger"); 16737b3115f2SLuciano Coelho 16747b3115f2SLuciano Coelho cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 16757b3115f2SLuciano Coelho if (!cmd) { 16767b3115f2SLuciano Coelho ret = -ENOMEM; 16777b3115f2SLuciano Coelho goto out; 16787b3115f2SLuciano Coelho } 16797b3115f2SLuciano Coelho 16807b3115f2SLuciano Coelho ret = wl1271_cmd_send(wl, CMD_START_FWLOGGER, cmd, sizeof(*cmd), 0); 16817b3115f2SLuciano Coelho if (ret < 0) { 16827b3115f2SLuciano Coelho wl1271_error("failed to send start firmware logger command"); 16837b3115f2SLuciano Coelho goto out_free; 16847b3115f2SLuciano Coelho } 16857b3115f2SLuciano Coelho 16867b3115f2SLuciano Coelho out_free: 16877b3115f2SLuciano Coelho kfree(cmd); 16887b3115f2SLuciano Coelho 16897b3115f2SLuciano Coelho out: 16907b3115f2SLuciano Coelho return ret; 16917b3115f2SLuciano Coelho } 16927b3115f2SLuciano Coelho 16937b3115f2SLuciano Coelho int wl12xx_cmd_stop_fwlog(struct wl1271 *wl) 16947b3115f2SLuciano Coelho { 16957b3115f2SLuciano Coelho struct wl12xx_cmd_stop_fwlog *cmd; 16967b3115f2SLuciano Coelho int ret = 0; 16977b3115f2SLuciano Coelho 16987b3115f2SLuciano Coelho wl1271_debug(DEBUG_CMD, "cmd stop firmware logger"); 16997b3115f2SLuciano Coelho 17007b3115f2SLuciano Coelho cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 17017b3115f2SLuciano Coelho if (!cmd) { 17027b3115f2SLuciano Coelho ret = -ENOMEM; 17037b3115f2SLuciano Coelho goto out; 17047b3115f2SLuciano Coelho } 17057b3115f2SLuciano Coelho 17067b3115f2SLuciano Coelho ret = wl1271_cmd_send(wl, CMD_STOP_FWLOGGER, cmd, sizeof(*cmd), 0); 17077b3115f2SLuciano Coelho if (ret < 0) { 17087b3115f2SLuciano Coelho wl1271_error("failed to send stop firmware logger command"); 17097b3115f2SLuciano Coelho goto out_free; 17107b3115f2SLuciano Coelho } 17117b3115f2SLuciano Coelho 17127b3115f2SLuciano Coelho out_free: 17137b3115f2SLuciano Coelho kfree(cmd); 17147b3115f2SLuciano Coelho 17157b3115f2SLuciano Coelho out: 17167b3115f2SLuciano Coelho return ret; 17177b3115f2SLuciano Coelho } 17187b3115f2SLuciano Coelho 17197b3115f2SLuciano Coelho static int wl12xx_cmd_roc(struct wl1271 *wl, struct wl12xx_vif *wlvif, 17207b3115f2SLuciano Coelho u8 role_id) 17217b3115f2SLuciano Coelho { 17227b3115f2SLuciano Coelho struct wl12xx_cmd_roc *cmd; 17237b3115f2SLuciano Coelho int ret = 0; 17247b3115f2SLuciano Coelho 17257b3115f2SLuciano Coelho wl1271_debug(DEBUG_CMD, "cmd roc %d (%d)", wlvif->channel, role_id); 17267b3115f2SLuciano Coelho 17277b3115f2SLuciano Coelho if (WARN_ON(role_id == WL12XX_INVALID_ROLE_ID)) 17287b3115f2SLuciano Coelho return -EINVAL; 17297b3115f2SLuciano Coelho 17307b3115f2SLuciano Coelho cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 17317b3115f2SLuciano Coelho if (!cmd) { 17327b3115f2SLuciano Coelho ret = -ENOMEM; 17337b3115f2SLuciano Coelho goto out; 17347b3115f2SLuciano Coelho } 17357b3115f2SLuciano Coelho 17367b3115f2SLuciano Coelho cmd->role_id = role_id; 17377b3115f2SLuciano Coelho cmd->channel = wlvif->channel; 17387b3115f2SLuciano Coelho switch (wlvif->band) { 17397b3115f2SLuciano Coelho case IEEE80211_BAND_2GHZ: 17407b3115f2SLuciano Coelho cmd->band = RADIO_BAND_2_4GHZ; 17417b3115f2SLuciano Coelho break; 17427b3115f2SLuciano Coelho case IEEE80211_BAND_5GHZ: 17437b3115f2SLuciano Coelho cmd->band = RADIO_BAND_5GHZ; 17447b3115f2SLuciano Coelho break; 17457b3115f2SLuciano Coelho default: 17467b3115f2SLuciano Coelho wl1271_error("roc - unknown band: %d", (int)wlvif->band); 17477b3115f2SLuciano Coelho ret = -EINVAL; 17487b3115f2SLuciano Coelho goto out_free; 17497b3115f2SLuciano Coelho } 17507b3115f2SLuciano Coelho 17517b3115f2SLuciano Coelho 17527b3115f2SLuciano Coelho ret = wl1271_cmd_send(wl, CMD_REMAIN_ON_CHANNEL, cmd, sizeof(*cmd), 0); 17537b3115f2SLuciano Coelho if (ret < 0) { 17547b3115f2SLuciano Coelho wl1271_error("failed to send ROC command"); 17557b3115f2SLuciano Coelho goto out_free; 17567b3115f2SLuciano Coelho } 17577b3115f2SLuciano Coelho 17587b3115f2SLuciano Coelho out_free: 17597b3115f2SLuciano Coelho kfree(cmd); 17607b3115f2SLuciano Coelho 17617b3115f2SLuciano Coelho out: 17627b3115f2SLuciano Coelho return ret; 17637b3115f2SLuciano Coelho } 17647b3115f2SLuciano Coelho 17657b3115f2SLuciano Coelho static int wl12xx_cmd_croc(struct wl1271 *wl, u8 role_id) 17667b3115f2SLuciano Coelho { 17677b3115f2SLuciano Coelho struct wl12xx_cmd_croc *cmd; 17687b3115f2SLuciano Coelho int ret = 0; 17697b3115f2SLuciano Coelho 17707b3115f2SLuciano Coelho wl1271_debug(DEBUG_CMD, "cmd croc (%d)", role_id); 17717b3115f2SLuciano Coelho 17727b3115f2SLuciano Coelho cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 17737b3115f2SLuciano Coelho if (!cmd) { 17747b3115f2SLuciano Coelho ret = -ENOMEM; 17757b3115f2SLuciano Coelho goto out; 17767b3115f2SLuciano Coelho } 17777b3115f2SLuciano Coelho cmd->role_id = role_id; 17787b3115f2SLuciano Coelho 17797b3115f2SLuciano Coelho ret = wl1271_cmd_send(wl, CMD_CANCEL_REMAIN_ON_CHANNEL, cmd, 17807b3115f2SLuciano Coelho sizeof(*cmd), 0); 17817b3115f2SLuciano Coelho if (ret < 0) { 17827b3115f2SLuciano Coelho wl1271_error("failed to send ROC command"); 17837b3115f2SLuciano Coelho goto out_free; 17847b3115f2SLuciano Coelho } 17857b3115f2SLuciano Coelho 17867b3115f2SLuciano Coelho out_free: 17877b3115f2SLuciano Coelho kfree(cmd); 17887b3115f2SLuciano Coelho 17897b3115f2SLuciano Coelho out: 17907b3115f2SLuciano Coelho return ret; 17917b3115f2SLuciano Coelho } 17927b3115f2SLuciano Coelho 17937b3115f2SLuciano Coelho int wl12xx_roc(struct wl1271 *wl, struct wl12xx_vif *wlvif, u8 role_id) 17947b3115f2SLuciano Coelho { 17957b3115f2SLuciano Coelho int ret = 0; 17967b3115f2SLuciano Coelho 17977b3115f2SLuciano Coelho if (WARN_ON(test_bit(role_id, wl->roc_map))) 17987b3115f2SLuciano Coelho return 0; 17997b3115f2SLuciano Coelho 18007b3115f2SLuciano Coelho ret = wl12xx_cmd_roc(wl, wlvif, role_id); 18017b3115f2SLuciano Coelho if (ret < 0) 18027b3115f2SLuciano Coelho goto out; 18037b3115f2SLuciano Coelho 18047b3115f2SLuciano Coelho ret = wl1271_cmd_wait_for_event(wl, 18057b3115f2SLuciano Coelho REMAIN_ON_CHANNEL_COMPLETE_EVENT_ID); 18067b3115f2SLuciano Coelho if (ret < 0) { 18077b3115f2SLuciano Coelho wl1271_error("cmd roc event completion error"); 18087b3115f2SLuciano Coelho goto out; 18097b3115f2SLuciano Coelho } 18107b3115f2SLuciano Coelho 18117b3115f2SLuciano Coelho __set_bit(role_id, wl->roc_map); 18127b3115f2SLuciano Coelho out: 18137b3115f2SLuciano Coelho return ret; 18147b3115f2SLuciano Coelho } 18157b3115f2SLuciano Coelho 18167b3115f2SLuciano Coelho int wl12xx_croc(struct wl1271 *wl, u8 role_id) 18177b3115f2SLuciano Coelho { 18187b3115f2SLuciano Coelho int ret = 0; 18197b3115f2SLuciano Coelho 18207b3115f2SLuciano Coelho if (WARN_ON(!test_bit(role_id, wl->roc_map))) 18217b3115f2SLuciano Coelho return 0; 18227b3115f2SLuciano Coelho 18237b3115f2SLuciano Coelho ret = wl12xx_cmd_croc(wl, role_id); 18247b3115f2SLuciano Coelho if (ret < 0) 18257b3115f2SLuciano Coelho goto out; 18267b3115f2SLuciano Coelho 18277b3115f2SLuciano Coelho __clear_bit(role_id, wl->roc_map); 18287b3115f2SLuciano Coelho 18297b3115f2SLuciano Coelho /* 18307b3115f2SLuciano Coelho * Rearm the tx watchdog when removing the last ROC. This prevents 18317b3115f2SLuciano Coelho * recoveries due to just finished ROCs - when Tx hasn't yet had 18327b3115f2SLuciano Coelho * a chance to get out. 18337b3115f2SLuciano Coelho */ 18347b3115f2SLuciano Coelho if (find_first_bit(wl->roc_map, WL12XX_MAX_ROLES) >= WL12XX_MAX_ROLES) 18357b3115f2SLuciano Coelho wl12xx_rearm_tx_watchdog_locked(wl); 18367b3115f2SLuciano Coelho out: 18377b3115f2SLuciano Coelho return ret; 18387b3115f2SLuciano Coelho } 18397b3115f2SLuciano Coelho 18407b3115f2SLuciano Coelho int wl12xx_cmd_channel_switch(struct wl1271 *wl, 18417b3115f2SLuciano Coelho struct wl12xx_vif *wlvif, 18427b3115f2SLuciano Coelho struct ieee80211_channel_switch *ch_switch) 18437b3115f2SLuciano Coelho { 18447b3115f2SLuciano Coelho struct wl12xx_cmd_channel_switch *cmd; 18457b3115f2SLuciano Coelho int ret; 18467b3115f2SLuciano Coelho 18477b3115f2SLuciano Coelho wl1271_debug(DEBUG_ACX, "cmd channel switch"); 18487b3115f2SLuciano Coelho 18497b3115f2SLuciano Coelho cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 18507b3115f2SLuciano Coelho if (!cmd) { 18517b3115f2SLuciano Coelho ret = -ENOMEM; 18527b3115f2SLuciano Coelho goto out; 18537b3115f2SLuciano Coelho } 18547b3115f2SLuciano Coelho 18557b3115f2SLuciano Coelho cmd->role_id = wlvif->role_id; 18567b3115f2SLuciano Coelho cmd->channel = ch_switch->channel->hw_value; 18577b3115f2SLuciano Coelho cmd->switch_time = ch_switch->count; 18587b3115f2SLuciano Coelho cmd->stop_tx = ch_switch->block_tx; 18597b3115f2SLuciano Coelho 18607b3115f2SLuciano Coelho /* FIXME: control from mac80211 in the future */ 18617b3115f2SLuciano Coelho cmd->post_switch_tx_disable = 0; /* Enable TX on the target channel */ 18627b3115f2SLuciano Coelho 18637b3115f2SLuciano Coelho ret = wl1271_cmd_send(wl, CMD_CHANNEL_SWITCH, cmd, sizeof(*cmd), 0); 18647b3115f2SLuciano Coelho if (ret < 0) { 18657b3115f2SLuciano Coelho wl1271_error("failed to send channel switch command"); 18667b3115f2SLuciano Coelho goto out_free; 18677b3115f2SLuciano Coelho } 18687b3115f2SLuciano Coelho 18697b3115f2SLuciano Coelho out_free: 18707b3115f2SLuciano Coelho kfree(cmd); 18717b3115f2SLuciano Coelho 18727b3115f2SLuciano Coelho out: 18737b3115f2SLuciano Coelho return ret; 18747b3115f2SLuciano Coelho } 18757b3115f2SLuciano Coelho 18767b3115f2SLuciano Coelho int wl12xx_cmd_stop_channel_switch(struct wl1271 *wl) 18777b3115f2SLuciano Coelho { 18787b3115f2SLuciano Coelho struct wl12xx_cmd_stop_channel_switch *cmd; 18797b3115f2SLuciano Coelho int ret; 18807b3115f2SLuciano Coelho 18817b3115f2SLuciano Coelho wl1271_debug(DEBUG_ACX, "cmd stop channel switch"); 18827b3115f2SLuciano Coelho 18837b3115f2SLuciano Coelho cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 18847b3115f2SLuciano Coelho if (!cmd) { 18857b3115f2SLuciano Coelho ret = -ENOMEM; 18867b3115f2SLuciano Coelho goto out; 18877b3115f2SLuciano Coelho } 18887b3115f2SLuciano Coelho 18897b3115f2SLuciano Coelho ret = wl1271_cmd_send(wl, CMD_STOP_CHANNEL_SWICTH, cmd, sizeof(*cmd), 0); 18907b3115f2SLuciano Coelho if (ret < 0) { 18917b3115f2SLuciano Coelho wl1271_error("failed to stop channel switch command"); 18927b3115f2SLuciano Coelho goto out_free; 18937b3115f2SLuciano Coelho } 18947b3115f2SLuciano Coelho 18957b3115f2SLuciano Coelho out_free: 18967b3115f2SLuciano Coelho kfree(cmd); 18977b3115f2SLuciano Coelho 18987b3115f2SLuciano Coelho out: 18997b3115f2SLuciano Coelho return ret; 19007b3115f2SLuciano Coelho } 19017b3115f2SLuciano Coelho 19027b3115f2SLuciano Coelho /* start dev role and roc on its channel */ 19037b3115f2SLuciano Coelho int wl12xx_start_dev(struct wl1271 *wl, struct wl12xx_vif *wlvif) 19047b3115f2SLuciano Coelho { 19057b3115f2SLuciano Coelho int ret; 19067b3115f2SLuciano Coelho 19077b3115f2SLuciano Coelho if (WARN_ON(!(wlvif->bss_type == BSS_TYPE_STA_BSS || 19087b3115f2SLuciano Coelho wlvif->bss_type == BSS_TYPE_IBSS))) 19097b3115f2SLuciano Coelho return -EINVAL; 19107b3115f2SLuciano Coelho 19117b3115f2SLuciano Coelho ret = wl12xx_cmd_role_start_dev(wl, wlvif); 19127b3115f2SLuciano Coelho if (ret < 0) 19137b3115f2SLuciano Coelho goto out; 19147b3115f2SLuciano Coelho 19157b3115f2SLuciano Coelho ret = wl12xx_roc(wl, wlvif, wlvif->dev_role_id); 19167b3115f2SLuciano Coelho if (ret < 0) 19177b3115f2SLuciano Coelho goto out_stop; 19187b3115f2SLuciano Coelho 19197b3115f2SLuciano Coelho return 0; 19207b3115f2SLuciano Coelho 19217b3115f2SLuciano Coelho out_stop: 19227b3115f2SLuciano Coelho wl12xx_cmd_role_stop_dev(wl, wlvif); 19237b3115f2SLuciano Coelho out: 19247b3115f2SLuciano Coelho return ret; 19257b3115f2SLuciano Coelho } 19267b3115f2SLuciano Coelho 19277b3115f2SLuciano Coelho /* croc dev hlid, and stop the role */ 19287b3115f2SLuciano Coelho int wl12xx_stop_dev(struct wl1271 *wl, struct wl12xx_vif *wlvif) 19297b3115f2SLuciano Coelho { 19307b3115f2SLuciano Coelho int ret; 19317b3115f2SLuciano Coelho 19327b3115f2SLuciano Coelho if (WARN_ON(!(wlvif->bss_type == BSS_TYPE_STA_BSS || 19337b3115f2SLuciano Coelho wlvif->bss_type == BSS_TYPE_IBSS))) 19347b3115f2SLuciano Coelho return -EINVAL; 19357b3115f2SLuciano Coelho 19367b3115f2SLuciano Coelho /* flush all pending packets */ 19377b3115f2SLuciano Coelho wl1271_tx_work_locked(wl); 19387b3115f2SLuciano Coelho 19397b3115f2SLuciano Coelho if (test_bit(wlvif->dev_role_id, wl->roc_map)) { 19407b3115f2SLuciano Coelho ret = wl12xx_croc(wl, wlvif->dev_role_id); 19417b3115f2SLuciano Coelho if (ret < 0) 19427b3115f2SLuciano Coelho goto out; 19437b3115f2SLuciano Coelho } 19447b3115f2SLuciano Coelho 19457b3115f2SLuciano Coelho ret = wl12xx_cmd_role_stop_dev(wl, wlvif); 19467b3115f2SLuciano Coelho if (ret < 0) 19477b3115f2SLuciano Coelho goto out; 19487b3115f2SLuciano Coelho out: 19497b3115f2SLuciano Coelho return ret; 19507b3115f2SLuciano Coelho } 1951