17b3115f2SLuciano Coelho /* 27b3115f2SLuciano Coelho * This file is part of wl1271 37b3115f2SLuciano Coelho * 47b3115f2SLuciano Coelho * Copyright (C) 2009-2010 Nokia Corporation 57b3115f2SLuciano Coelho * 67b3115f2SLuciano Coelho * Contact: Luciano Coelho <luciano.coelho@nokia.com> 77b3115f2SLuciano Coelho * 87b3115f2SLuciano Coelho * This program is free software; you can redistribute it and/or 97b3115f2SLuciano Coelho * modify it under the terms of the GNU General Public License 107b3115f2SLuciano Coelho * version 2 as published by the Free Software Foundation. 117b3115f2SLuciano Coelho * 127b3115f2SLuciano Coelho * This program is distributed in the hope that it will be useful, but 137b3115f2SLuciano Coelho * WITHOUT ANY WARRANTY; without even the implied warranty of 147b3115f2SLuciano Coelho * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 157b3115f2SLuciano Coelho * General Public License for more details. 167b3115f2SLuciano Coelho * 177b3115f2SLuciano Coelho * You should have received a copy of the GNU General Public License 187b3115f2SLuciano Coelho * along with this program; if not, write to the Free Software 197b3115f2SLuciano Coelho * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 207b3115f2SLuciano Coelho * 02110-1301 USA 217b3115f2SLuciano Coelho * 227b3115f2SLuciano Coelho */ 237b3115f2SLuciano Coelho 247b3115f2SLuciano Coelho #include <linux/module.h> 257b3115f2SLuciano Coelho #include <linux/platform_device.h> 267b3115f2SLuciano Coelho #include <linux/spi/spi.h> 277b3115f2SLuciano Coelho #include <linux/etherdevice.h> 287b3115f2SLuciano Coelho #include <linux/ieee80211.h> 297b3115f2SLuciano Coelho #include <linux/slab.h> 307b3115f2SLuciano Coelho 31c31be25aSLuciano Coelho #include "wlcore.h" 327b3115f2SLuciano Coelho #include "debug.h" 337b3115f2SLuciano Coelho #include "io.h" 347b3115f2SLuciano Coelho #include "acx.h" 357b3115f2SLuciano Coelho #include "wl12xx_80211.h" 367b3115f2SLuciano Coelho #include "cmd.h" 377b3115f2SLuciano Coelho #include "event.h" 387b3115f2SLuciano Coelho #include "tx.h" 397b3115f2SLuciano Coelho 407b3115f2SLuciano Coelho #define WL1271_CMD_FAST_POLL_COUNT 50 417b3115f2SLuciano Coelho 427b3115f2SLuciano Coelho /* 437b3115f2SLuciano Coelho * send command to firmware 447b3115f2SLuciano Coelho * 457b3115f2SLuciano Coelho * @wl: wl struct 467b3115f2SLuciano Coelho * @id: command id 477b3115f2SLuciano Coelho * @buf: buffer containing the command, must work with dma 487b3115f2SLuciano Coelho * @len: length of the buffer 497b3115f2SLuciano Coelho */ 507b3115f2SLuciano Coelho int wl1271_cmd_send(struct wl1271 *wl, u16 id, void *buf, size_t len, 517b3115f2SLuciano Coelho size_t res_len) 527b3115f2SLuciano Coelho { 537b3115f2SLuciano Coelho struct wl1271_cmd_header *cmd; 547b3115f2SLuciano Coelho unsigned long timeout; 557b3115f2SLuciano Coelho u32 intr; 567b3115f2SLuciano Coelho int ret = 0; 577b3115f2SLuciano Coelho u16 status; 587b3115f2SLuciano Coelho u16 poll_count = 0; 597b3115f2SLuciano Coelho 607b3115f2SLuciano Coelho cmd = buf; 617b3115f2SLuciano Coelho cmd->id = cpu_to_le16(id); 627b3115f2SLuciano Coelho cmd->status = 0; 637b3115f2SLuciano Coelho 647b3115f2SLuciano Coelho WARN_ON(len % 4 != 0); 657b3115f2SLuciano Coelho WARN_ON(test_bit(WL1271_FLAG_IN_ELP, &wl->flags)); 667b3115f2SLuciano Coelho 677b3115f2SLuciano Coelho wl1271_write(wl, wl->cmd_box_addr, buf, len, false); 687b3115f2SLuciano Coelho 6900782136SLuciano Coelho wlcore_write_reg(wl, REG_INTERRUPT_TRIG, INTR_TRIG_CMD); 707b3115f2SLuciano Coelho 717b3115f2SLuciano Coelho timeout = jiffies + msecs_to_jiffies(WL1271_COMMAND_TIMEOUT); 727b3115f2SLuciano Coelho 7300782136SLuciano Coelho intr = wlcore_read_reg(wl, REG_INTERRUPT_NO_CLEAR); 747b3115f2SLuciano Coelho while (!(intr & WL1271_ACX_INTR_CMD_COMPLETE)) { 757b3115f2SLuciano Coelho if (time_after(jiffies, timeout)) { 767b3115f2SLuciano Coelho wl1271_error("command complete timeout"); 777b3115f2SLuciano Coelho ret = -ETIMEDOUT; 787b3115f2SLuciano Coelho goto fail; 797b3115f2SLuciano Coelho } 807b3115f2SLuciano Coelho 817b3115f2SLuciano Coelho poll_count++; 827b3115f2SLuciano Coelho if (poll_count < WL1271_CMD_FAST_POLL_COUNT) 837b3115f2SLuciano Coelho udelay(10); 847b3115f2SLuciano Coelho else 857b3115f2SLuciano Coelho msleep(1); 867b3115f2SLuciano Coelho 8700782136SLuciano Coelho intr = wlcore_read_reg(wl, REG_INTERRUPT_NO_CLEAR); 887b3115f2SLuciano Coelho } 897b3115f2SLuciano Coelho 907b3115f2SLuciano Coelho /* read back the status code of the command */ 917b3115f2SLuciano Coelho if (res_len == 0) 927b3115f2SLuciano Coelho res_len = sizeof(struct wl1271_cmd_header); 937b3115f2SLuciano Coelho wl1271_read(wl, wl->cmd_box_addr, cmd, res_len, false); 947b3115f2SLuciano Coelho 957b3115f2SLuciano Coelho status = le16_to_cpu(cmd->status); 967b3115f2SLuciano Coelho if (status != CMD_STATUS_SUCCESS) { 977b3115f2SLuciano Coelho wl1271_error("command execute failure %d", status); 987b3115f2SLuciano Coelho ret = -EIO; 997b3115f2SLuciano Coelho goto fail; 1007b3115f2SLuciano Coelho } 1017b3115f2SLuciano Coelho 10200782136SLuciano Coelho wlcore_write_reg(wl, REG_INTERRUPT_ACK, WL1271_ACX_INTR_CMD_COMPLETE); 1037b3115f2SLuciano Coelho return 0; 1047b3115f2SLuciano Coelho 1057b3115f2SLuciano Coelho fail: 1067b3115f2SLuciano Coelho WARN_ON(1); 1077b3115f2SLuciano Coelho wl12xx_queue_recovery_work(wl); 1087b3115f2SLuciano Coelho return ret; 1097b3115f2SLuciano Coelho } 1107b3115f2SLuciano Coelho 1117b3115f2SLuciano Coelho int wl1271_cmd_general_parms(struct wl1271 *wl) 1127b3115f2SLuciano Coelho { 1137b3115f2SLuciano Coelho struct wl1271_general_parms_cmd *gen_parms; 1147b3115f2SLuciano Coelho struct wl1271_ini_general_params *gp = 1157b3115f2SLuciano Coelho &((struct wl1271_nvs_file *)wl->nvs)->general_params; 1167b3115f2SLuciano Coelho bool answer = false; 1177b3115f2SLuciano Coelho int ret; 1187b3115f2SLuciano Coelho 1197b3115f2SLuciano Coelho if (!wl->nvs) 1207b3115f2SLuciano Coelho return -ENODEV; 1217b3115f2SLuciano Coelho 1227b3115f2SLuciano Coelho if (gp->tx_bip_fem_manufacturer >= WL1271_INI_FEM_MODULE_COUNT) { 1237b3115f2SLuciano Coelho wl1271_warning("FEM index from INI out of bounds"); 1247b3115f2SLuciano Coelho return -EINVAL; 1257b3115f2SLuciano Coelho } 1267b3115f2SLuciano Coelho 1277b3115f2SLuciano Coelho gen_parms = kzalloc(sizeof(*gen_parms), GFP_KERNEL); 1287b3115f2SLuciano Coelho if (!gen_parms) 1297b3115f2SLuciano Coelho return -ENOMEM; 1307b3115f2SLuciano Coelho 1317b3115f2SLuciano Coelho gen_parms->test.id = TEST_CMD_INI_FILE_GENERAL_PARAM; 1327b3115f2SLuciano Coelho 1337b3115f2SLuciano Coelho memcpy(&gen_parms->general_params, gp, sizeof(*gp)); 1347b3115f2SLuciano Coelho 1357b3115f2SLuciano Coelho if (gp->tx_bip_fem_auto_detect) 1367b3115f2SLuciano Coelho answer = true; 1377b3115f2SLuciano Coelho 1387b3115f2SLuciano Coelho /* Override the REF CLK from the NVS with the one from platform data */ 1397b3115f2SLuciano Coelho gen_parms->general_params.ref_clock = wl->ref_clock; 1407b3115f2SLuciano Coelho 1417b3115f2SLuciano Coelho ret = wl1271_cmd_test(wl, gen_parms, sizeof(*gen_parms), answer); 1427b3115f2SLuciano Coelho if (ret < 0) { 1437b3115f2SLuciano Coelho wl1271_warning("CMD_INI_FILE_GENERAL_PARAM failed"); 1447b3115f2SLuciano Coelho goto out; 1457b3115f2SLuciano Coelho } 1467b3115f2SLuciano Coelho 1477b3115f2SLuciano Coelho gp->tx_bip_fem_manufacturer = 1487b3115f2SLuciano Coelho gen_parms->general_params.tx_bip_fem_manufacturer; 1497b3115f2SLuciano Coelho 1507b3115f2SLuciano Coelho if (gp->tx_bip_fem_manufacturer >= WL1271_INI_FEM_MODULE_COUNT) { 1517b3115f2SLuciano Coelho wl1271_warning("FEM index from FW out of bounds"); 1527b3115f2SLuciano Coelho ret = -EINVAL; 1537b3115f2SLuciano Coelho goto out; 1547b3115f2SLuciano Coelho } 1557b3115f2SLuciano Coelho 1567b3115f2SLuciano Coelho wl1271_debug(DEBUG_CMD, "FEM autodetect: %s, manufacturer: %d\n", 1577b3115f2SLuciano Coelho answer ? "auto" : "manual", gp->tx_bip_fem_manufacturer); 1587b3115f2SLuciano Coelho 1597b3115f2SLuciano Coelho out: 1607b3115f2SLuciano Coelho kfree(gen_parms); 1617b3115f2SLuciano Coelho return ret; 1627b3115f2SLuciano Coelho } 1637b3115f2SLuciano Coelho 1647b3115f2SLuciano Coelho int wl128x_cmd_general_parms(struct wl1271 *wl) 1657b3115f2SLuciano Coelho { 1667b3115f2SLuciano Coelho struct wl128x_general_parms_cmd *gen_parms; 1677b3115f2SLuciano Coelho struct wl128x_ini_general_params *gp = 1687b3115f2SLuciano Coelho &((struct wl128x_nvs_file *)wl->nvs)->general_params; 1697b3115f2SLuciano Coelho bool answer = false; 1707b3115f2SLuciano Coelho int ret; 1717b3115f2SLuciano Coelho 1727b3115f2SLuciano Coelho if (!wl->nvs) 1737b3115f2SLuciano Coelho return -ENODEV; 1747b3115f2SLuciano Coelho 1757b3115f2SLuciano Coelho if (gp->tx_bip_fem_manufacturer >= WL1271_INI_FEM_MODULE_COUNT) { 1767b3115f2SLuciano Coelho wl1271_warning("FEM index from ini out of bounds"); 1777b3115f2SLuciano Coelho return -EINVAL; 1787b3115f2SLuciano Coelho } 1797b3115f2SLuciano Coelho 1807b3115f2SLuciano Coelho gen_parms = kzalloc(sizeof(*gen_parms), GFP_KERNEL); 1817b3115f2SLuciano Coelho if (!gen_parms) 1827b3115f2SLuciano Coelho return -ENOMEM; 1837b3115f2SLuciano Coelho 1847b3115f2SLuciano Coelho gen_parms->test.id = TEST_CMD_INI_FILE_GENERAL_PARAM; 1857b3115f2SLuciano Coelho 1867b3115f2SLuciano Coelho memcpy(&gen_parms->general_params, gp, sizeof(*gp)); 1877b3115f2SLuciano Coelho 1887b3115f2SLuciano Coelho if (gp->tx_bip_fem_auto_detect) 1897b3115f2SLuciano Coelho answer = true; 1907b3115f2SLuciano Coelho 1917b3115f2SLuciano Coelho /* Replace REF and TCXO CLKs with the ones from platform data */ 1927b3115f2SLuciano Coelho gen_parms->general_params.ref_clock = wl->ref_clock; 1937b3115f2SLuciano Coelho gen_parms->general_params.tcxo_ref_clock = wl->tcxo_clock; 1947b3115f2SLuciano Coelho 1957b3115f2SLuciano Coelho ret = wl1271_cmd_test(wl, gen_parms, sizeof(*gen_parms), answer); 1967b3115f2SLuciano Coelho if (ret < 0) { 1977b3115f2SLuciano Coelho wl1271_warning("CMD_INI_FILE_GENERAL_PARAM failed"); 1987b3115f2SLuciano Coelho goto out; 1997b3115f2SLuciano Coelho } 2007b3115f2SLuciano Coelho 2017b3115f2SLuciano Coelho gp->tx_bip_fem_manufacturer = 2027b3115f2SLuciano Coelho gen_parms->general_params.tx_bip_fem_manufacturer; 2037b3115f2SLuciano Coelho 2047b3115f2SLuciano Coelho if (gp->tx_bip_fem_manufacturer >= WL1271_INI_FEM_MODULE_COUNT) { 2057b3115f2SLuciano Coelho wl1271_warning("FEM index from FW out of bounds"); 2067b3115f2SLuciano Coelho ret = -EINVAL; 2077b3115f2SLuciano Coelho goto out; 2087b3115f2SLuciano Coelho } 2097b3115f2SLuciano Coelho 2107b3115f2SLuciano Coelho wl1271_debug(DEBUG_CMD, "FEM autodetect: %s, manufacturer: %d\n", 2117b3115f2SLuciano Coelho answer ? "auto" : "manual", gp->tx_bip_fem_manufacturer); 2127b3115f2SLuciano Coelho 2137b3115f2SLuciano Coelho out: 2147b3115f2SLuciano Coelho kfree(gen_parms); 2157b3115f2SLuciano Coelho return ret; 2167b3115f2SLuciano Coelho } 2177b3115f2SLuciano Coelho 2187b3115f2SLuciano Coelho int wl1271_cmd_radio_parms(struct wl1271 *wl) 2197b3115f2SLuciano Coelho { 2207b3115f2SLuciano Coelho struct wl1271_nvs_file *nvs = (struct wl1271_nvs_file *)wl->nvs; 2217b3115f2SLuciano Coelho struct wl1271_radio_parms_cmd *radio_parms; 2227b3115f2SLuciano Coelho struct wl1271_ini_general_params *gp = &nvs->general_params; 2237b3115f2SLuciano Coelho int ret; 2247b3115f2SLuciano Coelho 2257b3115f2SLuciano Coelho if (!wl->nvs) 2267b3115f2SLuciano Coelho return -ENODEV; 2277b3115f2SLuciano Coelho 2287b3115f2SLuciano Coelho radio_parms = kzalloc(sizeof(*radio_parms), GFP_KERNEL); 2297b3115f2SLuciano Coelho if (!radio_parms) 2307b3115f2SLuciano Coelho return -ENOMEM; 2317b3115f2SLuciano Coelho 2327b3115f2SLuciano Coelho radio_parms->test.id = TEST_CMD_INI_FILE_RADIO_PARAM; 2337b3115f2SLuciano Coelho 2347b3115f2SLuciano Coelho /* 2.4GHz parameters */ 2357b3115f2SLuciano Coelho memcpy(&radio_parms->static_params_2, &nvs->stat_radio_params_2, 2367b3115f2SLuciano Coelho sizeof(struct wl1271_ini_band_params_2)); 2377b3115f2SLuciano Coelho memcpy(&radio_parms->dyn_params_2, 2387b3115f2SLuciano Coelho &nvs->dyn_radio_params_2[gp->tx_bip_fem_manufacturer].params, 2397b3115f2SLuciano Coelho sizeof(struct wl1271_ini_fem_params_2)); 2407b3115f2SLuciano Coelho 2417b3115f2SLuciano Coelho /* 5GHz parameters */ 2427b3115f2SLuciano Coelho memcpy(&radio_parms->static_params_5, 2437b3115f2SLuciano Coelho &nvs->stat_radio_params_5, 2447b3115f2SLuciano Coelho sizeof(struct wl1271_ini_band_params_5)); 2457b3115f2SLuciano Coelho memcpy(&radio_parms->dyn_params_5, 2467b3115f2SLuciano Coelho &nvs->dyn_radio_params_5[gp->tx_bip_fem_manufacturer].params, 2477b3115f2SLuciano Coelho sizeof(struct wl1271_ini_fem_params_5)); 2487b3115f2SLuciano Coelho 2497b3115f2SLuciano Coelho wl1271_dump(DEBUG_CMD, "TEST_CMD_INI_FILE_RADIO_PARAM: ", 2507b3115f2SLuciano Coelho radio_parms, sizeof(*radio_parms)); 2517b3115f2SLuciano Coelho 2527b3115f2SLuciano Coelho ret = wl1271_cmd_test(wl, radio_parms, sizeof(*radio_parms), 0); 2537b3115f2SLuciano Coelho if (ret < 0) 2547b3115f2SLuciano Coelho wl1271_warning("CMD_INI_FILE_RADIO_PARAM failed"); 2557b3115f2SLuciano Coelho 2567b3115f2SLuciano Coelho kfree(radio_parms); 2577b3115f2SLuciano Coelho return ret; 2587b3115f2SLuciano Coelho } 2597b3115f2SLuciano Coelho 2607b3115f2SLuciano Coelho int wl128x_cmd_radio_parms(struct wl1271 *wl) 2617b3115f2SLuciano Coelho { 2627b3115f2SLuciano Coelho struct wl128x_nvs_file *nvs = (struct wl128x_nvs_file *)wl->nvs; 2637b3115f2SLuciano Coelho struct wl128x_radio_parms_cmd *radio_parms; 2647b3115f2SLuciano Coelho struct wl128x_ini_general_params *gp = &nvs->general_params; 2657b3115f2SLuciano Coelho int ret; 2667b3115f2SLuciano Coelho 2677b3115f2SLuciano Coelho if (!wl->nvs) 2687b3115f2SLuciano Coelho return -ENODEV; 2697b3115f2SLuciano Coelho 2707b3115f2SLuciano Coelho radio_parms = kzalloc(sizeof(*radio_parms), GFP_KERNEL); 2717b3115f2SLuciano Coelho if (!radio_parms) 2727b3115f2SLuciano Coelho return -ENOMEM; 2737b3115f2SLuciano Coelho 2747b3115f2SLuciano Coelho radio_parms->test.id = TEST_CMD_INI_FILE_RADIO_PARAM; 2757b3115f2SLuciano Coelho 2767b3115f2SLuciano Coelho /* 2.4GHz parameters */ 2777b3115f2SLuciano Coelho memcpy(&radio_parms->static_params_2, &nvs->stat_radio_params_2, 2787b3115f2SLuciano Coelho sizeof(struct wl128x_ini_band_params_2)); 2797b3115f2SLuciano Coelho memcpy(&radio_parms->dyn_params_2, 2807b3115f2SLuciano Coelho &nvs->dyn_radio_params_2[gp->tx_bip_fem_manufacturer].params, 2817b3115f2SLuciano Coelho sizeof(struct wl128x_ini_fem_params_2)); 2827b3115f2SLuciano Coelho 2837b3115f2SLuciano Coelho /* 5GHz parameters */ 2847b3115f2SLuciano Coelho memcpy(&radio_parms->static_params_5, 2857b3115f2SLuciano Coelho &nvs->stat_radio_params_5, 2867b3115f2SLuciano Coelho sizeof(struct wl128x_ini_band_params_5)); 2877b3115f2SLuciano Coelho memcpy(&radio_parms->dyn_params_5, 2887b3115f2SLuciano Coelho &nvs->dyn_radio_params_5[gp->tx_bip_fem_manufacturer].params, 2897b3115f2SLuciano Coelho sizeof(struct wl128x_ini_fem_params_5)); 2907b3115f2SLuciano Coelho 2917b3115f2SLuciano Coelho radio_parms->fem_vendor_and_options = nvs->fem_vendor_and_options; 2927b3115f2SLuciano Coelho 2937b3115f2SLuciano Coelho wl1271_dump(DEBUG_CMD, "TEST_CMD_INI_FILE_RADIO_PARAM: ", 2947b3115f2SLuciano Coelho radio_parms, sizeof(*radio_parms)); 2957b3115f2SLuciano Coelho 2967b3115f2SLuciano Coelho ret = wl1271_cmd_test(wl, radio_parms, sizeof(*radio_parms), 0); 2977b3115f2SLuciano Coelho if (ret < 0) 2987b3115f2SLuciano Coelho wl1271_warning("CMD_INI_FILE_RADIO_PARAM failed"); 2997b3115f2SLuciano Coelho 3007b3115f2SLuciano Coelho kfree(radio_parms); 3017b3115f2SLuciano Coelho return ret; 3027b3115f2SLuciano Coelho } 3037b3115f2SLuciano Coelho 3047b3115f2SLuciano Coelho int wl1271_cmd_ext_radio_parms(struct wl1271 *wl) 3057b3115f2SLuciano Coelho { 3067b3115f2SLuciano Coelho struct wl1271_ext_radio_parms_cmd *ext_radio_parms; 3077b3115f2SLuciano Coelho struct conf_rf_settings *rf = &wl->conf.rf; 3087b3115f2SLuciano Coelho int ret; 3097b3115f2SLuciano Coelho 3107b3115f2SLuciano Coelho if (!wl->nvs) 3117b3115f2SLuciano Coelho return -ENODEV; 3127b3115f2SLuciano Coelho 3137b3115f2SLuciano Coelho ext_radio_parms = kzalloc(sizeof(*ext_radio_parms), GFP_KERNEL); 3147b3115f2SLuciano Coelho if (!ext_radio_parms) 3157b3115f2SLuciano Coelho return -ENOMEM; 3167b3115f2SLuciano Coelho 3177b3115f2SLuciano Coelho ext_radio_parms->test.id = TEST_CMD_INI_FILE_RF_EXTENDED_PARAM; 3187b3115f2SLuciano Coelho 3197b3115f2SLuciano Coelho memcpy(ext_radio_parms->tx_per_channel_power_compensation_2, 3207b3115f2SLuciano Coelho rf->tx_per_channel_power_compensation_2, 3217b3115f2SLuciano Coelho CONF_TX_PWR_COMPENSATION_LEN_2); 3227b3115f2SLuciano Coelho memcpy(ext_radio_parms->tx_per_channel_power_compensation_5, 3237b3115f2SLuciano Coelho rf->tx_per_channel_power_compensation_5, 3247b3115f2SLuciano Coelho CONF_TX_PWR_COMPENSATION_LEN_5); 3257b3115f2SLuciano Coelho 3267b3115f2SLuciano Coelho wl1271_dump(DEBUG_CMD, "TEST_CMD_INI_FILE_EXT_RADIO_PARAM: ", 3277b3115f2SLuciano Coelho ext_radio_parms, sizeof(*ext_radio_parms)); 3287b3115f2SLuciano Coelho 3297b3115f2SLuciano Coelho ret = wl1271_cmd_test(wl, ext_radio_parms, sizeof(*ext_radio_parms), 0); 3307b3115f2SLuciano Coelho if (ret < 0) 3317b3115f2SLuciano Coelho wl1271_warning("TEST_CMD_INI_FILE_RF_EXTENDED_PARAM failed"); 3327b3115f2SLuciano Coelho 3337b3115f2SLuciano Coelho kfree(ext_radio_parms); 3347b3115f2SLuciano Coelho return ret; 3357b3115f2SLuciano Coelho } 3367b3115f2SLuciano Coelho 3377b3115f2SLuciano Coelho /* 3387b3115f2SLuciano Coelho * Poll the mailbox event field until any of the bits in the mask is set or a 3397b3115f2SLuciano Coelho * timeout occurs (WL1271_EVENT_TIMEOUT in msecs) 3407b3115f2SLuciano Coelho */ 3417b3115f2SLuciano Coelho static int wl1271_cmd_wait_for_event_or_timeout(struct wl1271 *wl, u32 mask) 3427b3115f2SLuciano Coelho { 3437b3115f2SLuciano Coelho u32 *events_vector; 3447b3115f2SLuciano Coelho u32 event; 3457b3115f2SLuciano Coelho unsigned long timeout; 3467b3115f2SLuciano Coelho int ret = 0; 3477b3115f2SLuciano Coelho 3487b3115f2SLuciano Coelho events_vector = kmalloc(sizeof(*events_vector), GFP_DMA); 3497b3115f2SLuciano Coelho 3507b3115f2SLuciano Coelho timeout = jiffies + msecs_to_jiffies(WL1271_EVENT_TIMEOUT); 3517b3115f2SLuciano Coelho 3527b3115f2SLuciano Coelho do { 3537b3115f2SLuciano Coelho if (time_after(jiffies, timeout)) { 3547b3115f2SLuciano Coelho wl1271_debug(DEBUG_CMD, "timeout waiting for event %d", 3557b3115f2SLuciano Coelho (int)mask); 3567b3115f2SLuciano Coelho ret = -ETIMEDOUT; 3577b3115f2SLuciano Coelho goto out; 3587b3115f2SLuciano Coelho } 3597b3115f2SLuciano Coelho 3607b3115f2SLuciano Coelho msleep(1); 3617b3115f2SLuciano Coelho 3627b3115f2SLuciano Coelho /* read from both event fields */ 3637b3115f2SLuciano Coelho wl1271_read(wl, wl->mbox_ptr[0], events_vector, 3647b3115f2SLuciano Coelho sizeof(*events_vector), false); 3657b3115f2SLuciano Coelho event = *events_vector & mask; 3667b3115f2SLuciano Coelho wl1271_read(wl, wl->mbox_ptr[1], events_vector, 3677b3115f2SLuciano Coelho sizeof(*events_vector), false); 3687b3115f2SLuciano Coelho event |= *events_vector & mask; 3697b3115f2SLuciano Coelho } while (!event); 3707b3115f2SLuciano Coelho 3717b3115f2SLuciano Coelho out: 3727b3115f2SLuciano Coelho kfree(events_vector); 3737b3115f2SLuciano Coelho return ret; 3747b3115f2SLuciano Coelho } 3757b3115f2SLuciano Coelho 3767b3115f2SLuciano Coelho static int wl1271_cmd_wait_for_event(struct wl1271 *wl, u32 mask) 3777b3115f2SLuciano Coelho { 3787b3115f2SLuciano Coelho int ret; 3797b3115f2SLuciano Coelho 3807b3115f2SLuciano Coelho ret = wl1271_cmd_wait_for_event_or_timeout(wl, mask); 3817b3115f2SLuciano Coelho if (ret != 0) { 3827b3115f2SLuciano Coelho wl12xx_queue_recovery_work(wl); 3837b3115f2SLuciano Coelho return ret; 3847b3115f2SLuciano Coelho } 3857b3115f2SLuciano Coelho 3867b3115f2SLuciano Coelho return 0; 3877b3115f2SLuciano Coelho } 3887b3115f2SLuciano Coelho 3897b3115f2SLuciano Coelho int wl12xx_cmd_role_enable(struct wl1271 *wl, u8 *addr, u8 role_type, 3907b3115f2SLuciano Coelho u8 *role_id) 3917b3115f2SLuciano Coelho { 3927b3115f2SLuciano Coelho struct wl12xx_cmd_role_enable *cmd; 3937b3115f2SLuciano Coelho int ret; 3947b3115f2SLuciano Coelho 3957b3115f2SLuciano Coelho wl1271_debug(DEBUG_CMD, "cmd role enable"); 3967b3115f2SLuciano Coelho 3977b3115f2SLuciano Coelho if (WARN_ON(*role_id != WL12XX_INVALID_ROLE_ID)) 3987b3115f2SLuciano Coelho return -EBUSY; 3997b3115f2SLuciano Coelho 4007b3115f2SLuciano Coelho cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 4017b3115f2SLuciano Coelho if (!cmd) { 4027b3115f2SLuciano Coelho ret = -ENOMEM; 4037b3115f2SLuciano Coelho goto out; 4047b3115f2SLuciano Coelho } 4057b3115f2SLuciano Coelho 4067b3115f2SLuciano Coelho /* get role id */ 4077b3115f2SLuciano Coelho cmd->role_id = find_first_zero_bit(wl->roles_map, WL12XX_MAX_ROLES); 4087b3115f2SLuciano Coelho if (cmd->role_id >= WL12XX_MAX_ROLES) { 4097b3115f2SLuciano Coelho ret = -EBUSY; 4107b3115f2SLuciano Coelho goto out_free; 4117b3115f2SLuciano Coelho } 4127b3115f2SLuciano Coelho 4137b3115f2SLuciano Coelho memcpy(cmd->mac_address, addr, ETH_ALEN); 4147b3115f2SLuciano Coelho cmd->role_type = role_type; 4157b3115f2SLuciano Coelho 4167b3115f2SLuciano Coelho ret = wl1271_cmd_send(wl, CMD_ROLE_ENABLE, cmd, sizeof(*cmd), 0); 4177b3115f2SLuciano Coelho if (ret < 0) { 4187b3115f2SLuciano Coelho wl1271_error("failed to initiate cmd role enable"); 4197b3115f2SLuciano Coelho goto out_free; 4207b3115f2SLuciano Coelho } 4217b3115f2SLuciano Coelho 4227b3115f2SLuciano Coelho __set_bit(cmd->role_id, wl->roles_map); 4237b3115f2SLuciano Coelho *role_id = cmd->role_id; 4247b3115f2SLuciano Coelho 4257b3115f2SLuciano Coelho out_free: 4267b3115f2SLuciano Coelho kfree(cmd); 4277b3115f2SLuciano Coelho 4287b3115f2SLuciano Coelho out: 4297b3115f2SLuciano Coelho return ret; 4307b3115f2SLuciano Coelho } 4317b3115f2SLuciano Coelho 4327b3115f2SLuciano Coelho int wl12xx_cmd_role_disable(struct wl1271 *wl, u8 *role_id) 4337b3115f2SLuciano Coelho { 4347b3115f2SLuciano Coelho struct wl12xx_cmd_role_disable *cmd; 4357b3115f2SLuciano Coelho int ret; 4367b3115f2SLuciano Coelho 4377b3115f2SLuciano Coelho wl1271_debug(DEBUG_CMD, "cmd role disable"); 4387b3115f2SLuciano Coelho 4397b3115f2SLuciano Coelho if (WARN_ON(*role_id == WL12XX_INVALID_ROLE_ID)) 4407b3115f2SLuciano Coelho return -ENOENT; 4417b3115f2SLuciano Coelho 4427b3115f2SLuciano Coelho cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 4437b3115f2SLuciano Coelho if (!cmd) { 4447b3115f2SLuciano Coelho ret = -ENOMEM; 4457b3115f2SLuciano Coelho goto out; 4467b3115f2SLuciano Coelho } 4477b3115f2SLuciano Coelho cmd->role_id = *role_id; 4487b3115f2SLuciano Coelho 4497b3115f2SLuciano Coelho ret = wl1271_cmd_send(wl, CMD_ROLE_DISABLE, cmd, sizeof(*cmd), 0); 4507b3115f2SLuciano Coelho if (ret < 0) { 4517b3115f2SLuciano Coelho wl1271_error("failed to initiate cmd role disable"); 4527b3115f2SLuciano Coelho goto out_free; 4537b3115f2SLuciano Coelho } 4547b3115f2SLuciano Coelho 4557b3115f2SLuciano Coelho __clear_bit(*role_id, wl->roles_map); 4567b3115f2SLuciano Coelho *role_id = WL12XX_INVALID_ROLE_ID; 4577b3115f2SLuciano Coelho 4587b3115f2SLuciano Coelho out_free: 4597b3115f2SLuciano Coelho kfree(cmd); 4607b3115f2SLuciano Coelho 4617b3115f2SLuciano Coelho out: 4627b3115f2SLuciano Coelho return ret; 4637b3115f2SLuciano Coelho } 4647b3115f2SLuciano Coelho 4657b3115f2SLuciano Coelho int wl12xx_allocate_link(struct wl1271 *wl, struct wl12xx_vif *wlvif, u8 *hlid) 4667b3115f2SLuciano Coelho { 4677b3115f2SLuciano Coelho unsigned long flags; 4687b3115f2SLuciano Coelho u8 link = find_first_zero_bit(wl->links_map, WL12XX_MAX_LINKS); 4697b3115f2SLuciano Coelho if (link >= WL12XX_MAX_LINKS) 4707b3115f2SLuciano Coelho return -EBUSY; 4717b3115f2SLuciano Coelho 4727b3115f2SLuciano Coelho /* these bits are used by op_tx */ 4737b3115f2SLuciano Coelho spin_lock_irqsave(&wl->wl_lock, flags); 4747b3115f2SLuciano Coelho __set_bit(link, wl->links_map); 4757b3115f2SLuciano Coelho __set_bit(link, wlvif->links_map); 4767b3115f2SLuciano Coelho spin_unlock_irqrestore(&wl->wl_lock, flags); 4777b3115f2SLuciano Coelho *hlid = link; 4787b3115f2SLuciano Coelho return 0; 4797b3115f2SLuciano Coelho } 4807b3115f2SLuciano Coelho 4817b3115f2SLuciano Coelho void wl12xx_free_link(struct wl1271 *wl, struct wl12xx_vif *wlvif, u8 *hlid) 4827b3115f2SLuciano Coelho { 4837b3115f2SLuciano Coelho unsigned long flags; 4847b3115f2SLuciano Coelho 4857b3115f2SLuciano Coelho if (*hlid == WL12XX_INVALID_LINK_ID) 4867b3115f2SLuciano Coelho return; 4877b3115f2SLuciano Coelho 4887b3115f2SLuciano Coelho /* these bits are used by op_tx */ 4897b3115f2SLuciano Coelho spin_lock_irqsave(&wl->wl_lock, flags); 4907b3115f2SLuciano Coelho __clear_bit(*hlid, wl->links_map); 4917b3115f2SLuciano Coelho __clear_bit(*hlid, wlvif->links_map); 4927b3115f2SLuciano Coelho spin_unlock_irqrestore(&wl->wl_lock, flags); 4937b3115f2SLuciano Coelho 4947b3115f2SLuciano Coelho /* 4957b3115f2SLuciano Coelho * At this point op_tx() will not add more packets to the queues. We 4967b3115f2SLuciano Coelho * can purge them. 4977b3115f2SLuciano Coelho */ 4987b3115f2SLuciano Coelho wl1271_tx_reset_link_queues(wl, *hlid); 4997b3115f2SLuciano Coelho 5007b3115f2SLuciano Coelho *hlid = WL12XX_INVALID_LINK_ID; 5017b3115f2SLuciano Coelho } 5027b3115f2SLuciano Coelho 5037b3115f2SLuciano Coelho static int wl12xx_get_new_session_id(struct wl1271 *wl, 5047b3115f2SLuciano Coelho struct wl12xx_vif *wlvif) 5057b3115f2SLuciano Coelho { 5067b3115f2SLuciano Coelho if (wlvif->session_counter >= SESSION_COUNTER_MAX) 5077b3115f2SLuciano Coelho wlvif->session_counter = 0; 5087b3115f2SLuciano Coelho 5097b3115f2SLuciano Coelho wlvif->session_counter++; 5107b3115f2SLuciano Coelho 5117b3115f2SLuciano Coelho return wlvif->session_counter; 5127b3115f2SLuciano Coelho } 5137b3115f2SLuciano Coelho 5147b3115f2SLuciano Coelho static int wl12xx_cmd_role_start_dev(struct wl1271 *wl, 5157b3115f2SLuciano Coelho struct wl12xx_vif *wlvif) 5167b3115f2SLuciano Coelho { 5177b3115f2SLuciano Coelho struct wl12xx_cmd_role_start *cmd; 5187b3115f2SLuciano Coelho int ret; 5197b3115f2SLuciano Coelho 5207b3115f2SLuciano Coelho cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 5217b3115f2SLuciano Coelho if (!cmd) { 5227b3115f2SLuciano Coelho ret = -ENOMEM; 5237b3115f2SLuciano Coelho goto out; 5247b3115f2SLuciano Coelho } 5257b3115f2SLuciano Coelho 5267b3115f2SLuciano Coelho wl1271_debug(DEBUG_CMD, "cmd role start dev %d", wlvif->dev_role_id); 5277b3115f2SLuciano Coelho 5287b3115f2SLuciano Coelho cmd->role_id = wlvif->dev_role_id; 5297b3115f2SLuciano Coelho if (wlvif->band == IEEE80211_BAND_5GHZ) 53000782136SLuciano Coelho cmd->band = WLCORE_BAND_5GHZ; 5317b3115f2SLuciano Coelho cmd->channel = wlvif->channel; 5327b3115f2SLuciano Coelho 5337b3115f2SLuciano Coelho if (wlvif->dev_hlid == WL12XX_INVALID_LINK_ID) { 5347b3115f2SLuciano Coelho ret = wl12xx_allocate_link(wl, wlvif, &wlvif->dev_hlid); 5357b3115f2SLuciano Coelho if (ret) 5367b3115f2SLuciano Coelho goto out_free; 5377b3115f2SLuciano Coelho } 5387b3115f2SLuciano Coelho cmd->device.hlid = wlvif->dev_hlid; 5397b3115f2SLuciano Coelho cmd->device.session = wl12xx_get_new_session_id(wl, wlvif); 5407b3115f2SLuciano Coelho 5417b3115f2SLuciano Coelho wl1271_debug(DEBUG_CMD, "role start: roleid=%d, hlid=%d, session=%d", 5427b3115f2SLuciano Coelho cmd->role_id, cmd->device.hlid, cmd->device.session); 5437b3115f2SLuciano Coelho 5447b3115f2SLuciano Coelho ret = wl1271_cmd_send(wl, CMD_ROLE_START, cmd, sizeof(*cmd), 0); 5457b3115f2SLuciano Coelho if (ret < 0) { 5467b3115f2SLuciano Coelho wl1271_error("failed to initiate cmd role enable"); 5477b3115f2SLuciano Coelho goto err_hlid; 5487b3115f2SLuciano Coelho } 5497b3115f2SLuciano Coelho 5507b3115f2SLuciano Coelho goto out_free; 5517b3115f2SLuciano Coelho 5527b3115f2SLuciano Coelho err_hlid: 5537b3115f2SLuciano Coelho /* clear links on error */ 5547b3115f2SLuciano Coelho wl12xx_free_link(wl, wlvif, &wlvif->dev_hlid); 5557b3115f2SLuciano Coelho 5567b3115f2SLuciano Coelho out_free: 5577b3115f2SLuciano Coelho kfree(cmd); 5587b3115f2SLuciano Coelho 5597b3115f2SLuciano Coelho out: 5607b3115f2SLuciano Coelho return ret; 5617b3115f2SLuciano Coelho } 5627b3115f2SLuciano Coelho 5637b3115f2SLuciano Coelho static int wl12xx_cmd_role_stop_dev(struct wl1271 *wl, 5647b3115f2SLuciano Coelho struct wl12xx_vif *wlvif) 5657b3115f2SLuciano Coelho { 5667b3115f2SLuciano Coelho struct wl12xx_cmd_role_stop *cmd; 5677b3115f2SLuciano Coelho int ret; 5687b3115f2SLuciano Coelho 5697b3115f2SLuciano Coelho if (WARN_ON(wlvif->dev_hlid == WL12XX_INVALID_LINK_ID)) 5707b3115f2SLuciano Coelho return -EINVAL; 5717b3115f2SLuciano Coelho 5727b3115f2SLuciano Coelho cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 5737b3115f2SLuciano Coelho if (!cmd) { 5747b3115f2SLuciano Coelho ret = -ENOMEM; 5757b3115f2SLuciano Coelho goto out; 5767b3115f2SLuciano Coelho } 5777b3115f2SLuciano Coelho 5787b3115f2SLuciano Coelho wl1271_debug(DEBUG_CMD, "cmd role stop dev"); 5797b3115f2SLuciano Coelho 5807b3115f2SLuciano Coelho cmd->role_id = wlvif->dev_role_id; 5817b3115f2SLuciano Coelho cmd->disc_type = DISCONNECT_IMMEDIATE; 5827b3115f2SLuciano Coelho cmd->reason = cpu_to_le16(WLAN_REASON_UNSPECIFIED); 5837b3115f2SLuciano Coelho 5847b3115f2SLuciano Coelho ret = wl1271_cmd_send(wl, CMD_ROLE_STOP, cmd, sizeof(*cmd), 0); 5857b3115f2SLuciano Coelho if (ret < 0) { 5867b3115f2SLuciano Coelho wl1271_error("failed to initiate cmd role stop"); 5877b3115f2SLuciano Coelho goto out_free; 5887b3115f2SLuciano Coelho } 5897b3115f2SLuciano Coelho 5907b3115f2SLuciano Coelho ret = wl1271_cmd_wait_for_event(wl, ROLE_STOP_COMPLETE_EVENT_ID); 5917b3115f2SLuciano Coelho if (ret < 0) { 5927b3115f2SLuciano Coelho wl1271_error("cmd role stop dev event completion error"); 5937b3115f2SLuciano Coelho goto out_free; 5947b3115f2SLuciano Coelho } 5957b3115f2SLuciano Coelho 5967b3115f2SLuciano Coelho wl12xx_free_link(wl, wlvif, &wlvif->dev_hlid); 5977b3115f2SLuciano Coelho 5987b3115f2SLuciano Coelho out_free: 5997b3115f2SLuciano Coelho kfree(cmd); 6007b3115f2SLuciano Coelho 6017b3115f2SLuciano Coelho out: 6027b3115f2SLuciano Coelho return ret; 6037b3115f2SLuciano Coelho } 6047b3115f2SLuciano Coelho 6057b3115f2SLuciano Coelho int wl12xx_cmd_role_start_sta(struct wl1271 *wl, struct wl12xx_vif *wlvif) 6067b3115f2SLuciano Coelho { 6077b3115f2SLuciano Coelho struct ieee80211_vif *vif = wl12xx_wlvif_to_vif(wlvif); 6087b3115f2SLuciano Coelho struct wl12xx_cmd_role_start *cmd; 6097b3115f2SLuciano Coelho int ret; 6107b3115f2SLuciano Coelho 6117b3115f2SLuciano Coelho cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 6127b3115f2SLuciano Coelho if (!cmd) { 6137b3115f2SLuciano Coelho ret = -ENOMEM; 6147b3115f2SLuciano Coelho goto out; 6157b3115f2SLuciano Coelho } 6167b3115f2SLuciano Coelho 6177b3115f2SLuciano Coelho wl1271_debug(DEBUG_CMD, "cmd role start sta %d", wlvif->role_id); 6187b3115f2SLuciano Coelho 6197b3115f2SLuciano Coelho cmd->role_id = wlvif->role_id; 6207b3115f2SLuciano Coelho if (wlvif->band == IEEE80211_BAND_5GHZ) 62100782136SLuciano Coelho cmd->band = WLCORE_BAND_5GHZ; 6227b3115f2SLuciano Coelho cmd->channel = wlvif->channel; 6237b3115f2SLuciano Coelho cmd->sta.basic_rate_set = cpu_to_le32(wlvif->basic_rate_set); 6247b3115f2SLuciano Coelho cmd->sta.beacon_interval = cpu_to_le16(wlvif->beacon_int); 6257b3115f2SLuciano Coelho cmd->sta.ssid_type = WL12XX_SSID_TYPE_ANY; 6267b3115f2SLuciano Coelho cmd->sta.ssid_len = wlvif->ssid_len; 6277b3115f2SLuciano Coelho memcpy(cmd->sta.ssid, wlvif->ssid, wlvif->ssid_len); 6287b3115f2SLuciano Coelho memcpy(cmd->sta.bssid, vif->bss_conf.bssid, ETH_ALEN); 6297b3115f2SLuciano Coelho cmd->sta.local_rates = cpu_to_le32(wlvif->rate_set); 6307b3115f2SLuciano Coelho 6317b3115f2SLuciano Coelho if (wlvif->sta.hlid == WL12XX_INVALID_LINK_ID) { 6327b3115f2SLuciano Coelho ret = wl12xx_allocate_link(wl, wlvif, &wlvif->sta.hlid); 6337b3115f2SLuciano Coelho if (ret) 6347b3115f2SLuciano Coelho goto out_free; 6357b3115f2SLuciano Coelho } 6367b3115f2SLuciano Coelho cmd->sta.hlid = wlvif->sta.hlid; 6377b3115f2SLuciano Coelho cmd->sta.session = wl12xx_get_new_session_id(wl, wlvif); 6387b3115f2SLuciano Coelho cmd->sta.remote_rates = cpu_to_le32(wlvif->rate_set); 6397b3115f2SLuciano Coelho 6407b3115f2SLuciano Coelho wl1271_debug(DEBUG_CMD, "role start: roleid=%d, hlid=%d, session=%d " 6417b3115f2SLuciano Coelho "basic_rate_set: 0x%x, remote_rates: 0x%x", 6427b3115f2SLuciano Coelho wlvif->role_id, cmd->sta.hlid, cmd->sta.session, 6437b3115f2SLuciano Coelho wlvif->basic_rate_set, wlvif->rate_set); 6447b3115f2SLuciano Coelho 6457b3115f2SLuciano Coelho ret = wl1271_cmd_send(wl, CMD_ROLE_START, cmd, sizeof(*cmd), 0); 6467b3115f2SLuciano Coelho if (ret < 0) { 6477b3115f2SLuciano Coelho wl1271_error("failed to initiate cmd role start sta"); 6487b3115f2SLuciano Coelho goto err_hlid; 6497b3115f2SLuciano Coelho } 6507b3115f2SLuciano Coelho 6517b3115f2SLuciano Coelho goto out_free; 6527b3115f2SLuciano Coelho 6537b3115f2SLuciano Coelho err_hlid: 6547b3115f2SLuciano Coelho /* clear links on error. */ 6557b3115f2SLuciano Coelho wl12xx_free_link(wl, wlvif, &wlvif->sta.hlid); 6567b3115f2SLuciano Coelho 6577b3115f2SLuciano Coelho out_free: 6587b3115f2SLuciano Coelho kfree(cmd); 6597b3115f2SLuciano Coelho 6607b3115f2SLuciano Coelho out: 6617b3115f2SLuciano Coelho return ret; 6627b3115f2SLuciano Coelho } 6637b3115f2SLuciano Coelho 6647b3115f2SLuciano Coelho /* use this function to stop ibss as well */ 6657b3115f2SLuciano Coelho int wl12xx_cmd_role_stop_sta(struct wl1271 *wl, struct wl12xx_vif *wlvif) 6667b3115f2SLuciano Coelho { 6677b3115f2SLuciano Coelho struct wl12xx_cmd_role_stop *cmd; 6687b3115f2SLuciano Coelho int ret; 6697b3115f2SLuciano Coelho 6707b3115f2SLuciano Coelho if (WARN_ON(wlvif->sta.hlid == WL12XX_INVALID_LINK_ID)) 6717b3115f2SLuciano Coelho return -EINVAL; 6727b3115f2SLuciano Coelho 6737b3115f2SLuciano Coelho cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 6747b3115f2SLuciano Coelho if (!cmd) { 6757b3115f2SLuciano Coelho ret = -ENOMEM; 6767b3115f2SLuciano Coelho goto out; 6777b3115f2SLuciano Coelho } 6787b3115f2SLuciano Coelho 6797b3115f2SLuciano Coelho wl1271_debug(DEBUG_CMD, "cmd role stop sta %d", wlvif->role_id); 6807b3115f2SLuciano Coelho 6817b3115f2SLuciano Coelho cmd->role_id = wlvif->role_id; 6827b3115f2SLuciano Coelho cmd->disc_type = DISCONNECT_IMMEDIATE; 6837b3115f2SLuciano Coelho cmd->reason = cpu_to_le16(WLAN_REASON_UNSPECIFIED); 6847b3115f2SLuciano Coelho 6857b3115f2SLuciano Coelho ret = wl1271_cmd_send(wl, CMD_ROLE_STOP, cmd, sizeof(*cmd), 0); 6867b3115f2SLuciano Coelho if (ret < 0) { 6877b3115f2SLuciano Coelho wl1271_error("failed to initiate cmd role stop sta"); 6887b3115f2SLuciano Coelho goto out_free; 6897b3115f2SLuciano Coelho } 6907b3115f2SLuciano Coelho 6917b3115f2SLuciano Coelho wl12xx_free_link(wl, wlvif, &wlvif->sta.hlid); 6927b3115f2SLuciano Coelho 6937b3115f2SLuciano Coelho out_free: 6947b3115f2SLuciano Coelho kfree(cmd); 6957b3115f2SLuciano Coelho 6967b3115f2SLuciano Coelho out: 6977b3115f2SLuciano Coelho return ret; 6987b3115f2SLuciano Coelho } 6997b3115f2SLuciano Coelho 7007b3115f2SLuciano Coelho int wl12xx_cmd_role_start_ap(struct wl1271 *wl, struct wl12xx_vif *wlvif) 7017b3115f2SLuciano Coelho { 7027b3115f2SLuciano Coelho struct wl12xx_cmd_role_start *cmd; 7037b3115f2SLuciano Coelho struct ieee80211_vif *vif = wl12xx_wlvif_to_vif(wlvif); 7047b3115f2SLuciano Coelho struct ieee80211_bss_conf *bss_conf = &vif->bss_conf; 7057b3115f2SLuciano Coelho int ret; 7067b3115f2SLuciano Coelho 7077b3115f2SLuciano Coelho wl1271_debug(DEBUG_CMD, "cmd role start ap %d", wlvif->role_id); 7087b3115f2SLuciano Coelho 7097b3115f2SLuciano Coelho /* trying to use hidden SSID with an old hostapd version */ 7107b3115f2SLuciano Coelho if (wlvif->ssid_len == 0 && !bss_conf->hidden_ssid) { 7117b3115f2SLuciano Coelho wl1271_error("got a null SSID from beacon/bss"); 7127b3115f2SLuciano Coelho ret = -EINVAL; 7137b3115f2SLuciano Coelho goto out; 7147b3115f2SLuciano Coelho } 7157b3115f2SLuciano Coelho 7167b3115f2SLuciano Coelho cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 7177b3115f2SLuciano Coelho if (!cmd) { 7187b3115f2SLuciano Coelho ret = -ENOMEM; 7197b3115f2SLuciano Coelho goto out; 7207b3115f2SLuciano Coelho } 7217b3115f2SLuciano Coelho 7227b3115f2SLuciano Coelho ret = wl12xx_allocate_link(wl, wlvif, &wlvif->ap.global_hlid); 7237b3115f2SLuciano Coelho if (ret < 0) 7247b3115f2SLuciano Coelho goto out_free; 7257b3115f2SLuciano Coelho 7267b3115f2SLuciano Coelho ret = wl12xx_allocate_link(wl, wlvif, &wlvif->ap.bcast_hlid); 7277b3115f2SLuciano Coelho if (ret < 0) 7287b3115f2SLuciano Coelho goto out_free_global; 7297b3115f2SLuciano Coelho 7307b3115f2SLuciano Coelho cmd->role_id = wlvif->role_id; 7317b3115f2SLuciano Coelho cmd->ap.aging_period = cpu_to_le16(wl->conf.tx.ap_aging_period); 7327b3115f2SLuciano Coelho cmd->ap.bss_index = WL1271_AP_BSS_INDEX; 7337b3115f2SLuciano Coelho cmd->ap.global_hlid = wlvif->ap.global_hlid; 7347b3115f2SLuciano Coelho cmd->ap.broadcast_hlid = wlvif->ap.bcast_hlid; 7357b3115f2SLuciano Coelho cmd->ap.basic_rate_set = cpu_to_le32(wlvif->basic_rate_set); 7367b3115f2SLuciano Coelho cmd->ap.beacon_interval = cpu_to_le16(wlvif->beacon_int); 7377b3115f2SLuciano Coelho cmd->ap.dtim_interval = bss_conf->dtim_period; 7387b3115f2SLuciano Coelho cmd->ap.beacon_expiry = WL1271_AP_DEF_BEACON_EXP; 7397b3115f2SLuciano Coelho /* FIXME: Change when adding DFS */ 7407b3115f2SLuciano Coelho cmd->ap.reset_tsf = 1; /* By default reset AP TSF */ 7417b3115f2SLuciano Coelho cmd->channel = wlvif->channel; 7427b3115f2SLuciano Coelho 7437b3115f2SLuciano Coelho if (!bss_conf->hidden_ssid) { 7447b3115f2SLuciano Coelho /* take the SSID from the beacon for backward compatibility */ 7457b3115f2SLuciano Coelho cmd->ap.ssid_type = WL12XX_SSID_TYPE_PUBLIC; 7467b3115f2SLuciano Coelho cmd->ap.ssid_len = wlvif->ssid_len; 7477b3115f2SLuciano Coelho memcpy(cmd->ap.ssid, wlvif->ssid, wlvif->ssid_len); 7487b3115f2SLuciano Coelho } else { 7497b3115f2SLuciano Coelho cmd->ap.ssid_type = WL12XX_SSID_TYPE_HIDDEN; 7507b3115f2SLuciano Coelho cmd->ap.ssid_len = bss_conf->ssid_len; 7517b3115f2SLuciano Coelho memcpy(cmd->ap.ssid, bss_conf->ssid, bss_conf->ssid_len); 7527b3115f2SLuciano Coelho } 7537b3115f2SLuciano Coelho 7547b3115f2SLuciano Coelho cmd->ap.local_rates = cpu_to_le32(0xffffffff); 7557b3115f2SLuciano Coelho 7567b3115f2SLuciano Coelho switch (wlvif->band) { 7577b3115f2SLuciano Coelho case IEEE80211_BAND_2GHZ: 75800782136SLuciano Coelho cmd->band = WLCORE_BAND_2_4GHZ; 7597b3115f2SLuciano Coelho break; 7607b3115f2SLuciano Coelho case IEEE80211_BAND_5GHZ: 76100782136SLuciano Coelho cmd->band = WLCORE_BAND_5GHZ; 7627b3115f2SLuciano Coelho break; 7637b3115f2SLuciano Coelho default: 7647b3115f2SLuciano Coelho wl1271_warning("ap start - unknown band: %d", (int)wlvif->band); 76500782136SLuciano Coelho cmd->band = WLCORE_BAND_2_4GHZ; 7667b3115f2SLuciano Coelho break; 7677b3115f2SLuciano Coelho } 7687b3115f2SLuciano Coelho 7697b3115f2SLuciano Coelho ret = wl1271_cmd_send(wl, CMD_ROLE_START, cmd, sizeof(*cmd), 0); 7707b3115f2SLuciano Coelho if (ret < 0) { 7717b3115f2SLuciano Coelho wl1271_error("failed to initiate cmd role start ap"); 7727b3115f2SLuciano Coelho goto out_free_bcast; 7737b3115f2SLuciano Coelho } 7747b3115f2SLuciano Coelho 7757b3115f2SLuciano Coelho goto out_free; 7767b3115f2SLuciano Coelho 7777b3115f2SLuciano Coelho out_free_bcast: 7787b3115f2SLuciano Coelho wl12xx_free_link(wl, wlvif, &wlvif->ap.bcast_hlid); 7797b3115f2SLuciano Coelho 7807b3115f2SLuciano Coelho out_free_global: 7817b3115f2SLuciano Coelho wl12xx_free_link(wl, wlvif, &wlvif->ap.global_hlid); 7827b3115f2SLuciano Coelho 7837b3115f2SLuciano Coelho out_free: 7847b3115f2SLuciano Coelho kfree(cmd); 7857b3115f2SLuciano Coelho 7867b3115f2SLuciano Coelho out: 7877b3115f2SLuciano Coelho return ret; 7887b3115f2SLuciano Coelho } 7897b3115f2SLuciano Coelho 7907b3115f2SLuciano Coelho int wl12xx_cmd_role_stop_ap(struct wl1271 *wl, struct wl12xx_vif *wlvif) 7917b3115f2SLuciano Coelho { 7927b3115f2SLuciano Coelho struct wl12xx_cmd_role_stop *cmd; 7937b3115f2SLuciano Coelho int ret; 7947b3115f2SLuciano Coelho 7957b3115f2SLuciano Coelho cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 7967b3115f2SLuciano Coelho if (!cmd) { 7977b3115f2SLuciano Coelho ret = -ENOMEM; 7987b3115f2SLuciano Coelho goto out; 7997b3115f2SLuciano Coelho } 8007b3115f2SLuciano Coelho 8017b3115f2SLuciano Coelho wl1271_debug(DEBUG_CMD, "cmd role stop ap %d", wlvif->role_id); 8027b3115f2SLuciano Coelho 8037b3115f2SLuciano Coelho cmd->role_id = wlvif->role_id; 8047b3115f2SLuciano Coelho 8057b3115f2SLuciano Coelho ret = wl1271_cmd_send(wl, CMD_ROLE_STOP, cmd, sizeof(*cmd), 0); 8067b3115f2SLuciano Coelho if (ret < 0) { 8077b3115f2SLuciano Coelho wl1271_error("failed to initiate cmd role stop ap"); 8087b3115f2SLuciano Coelho goto out_free; 8097b3115f2SLuciano Coelho } 8107b3115f2SLuciano Coelho 8117b3115f2SLuciano Coelho wl12xx_free_link(wl, wlvif, &wlvif->ap.bcast_hlid); 8127b3115f2SLuciano Coelho wl12xx_free_link(wl, wlvif, &wlvif->ap.global_hlid); 8137b3115f2SLuciano Coelho 8147b3115f2SLuciano Coelho out_free: 8157b3115f2SLuciano Coelho kfree(cmd); 8167b3115f2SLuciano Coelho 8177b3115f2SLuciano Coelho out: 8187b3115f2SLuciano Coelho return ret; 8197b3115f2SLuciano Coelho } 8207b3115f2SLuciano Coelho 8217b3115f2SLuciano Coelho int wl12xx_cmd_role_start_ibss(struct wl1271 *wl, struct wl12xx_vif *wlvif) 8227b3115f2SLuciano Coelho { 8237b3115f2SLuciano Coelho struct ieee80211_vif *vif = wl12xx_wlvif_to_vif(wlvif); 8247b3115f2SLuciano Coelho struct wl12xx_cmd_role_start *cmd; 8257b3115f2SLuciano Coelho struct ieee80211_bss_conf *bss_conf = &vif->bss_conf; 8267b3115f2SLuciano Coelho int ret; 8277b3115f2SLuciano Coelho 8287b3115f2SLuciano Coelho cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 8297b3115f2SLuciano Coelho if (!cmd) { 8307b3115f2SLuciano Coelho ret = -ENOMEM; 8317b3115f2SLuciano Coelho goto out; 8327b3115f2SLuciano Coelho } 8337b3115f2SLuciano Coelho 8347b3115f2SLuciano Coelho wl1271_debug(DEBUG_CMD, "cmd role start ibss %d", wlvif->role_id); 8357b3115f2SLuciano Coelho 8367b3115f2SLuciano Coelho cmd->role_id = wlvif->role_id; 8377b3115f2SLuciano Coelho if (wlvif->band == IEEE80211_BAND_5GHZ) 83800782136SLuciano Coelho cmd->band = WLCORE_BAND_5GHZ; 8397b3115f2SLuciano Coelho cmd->channel = wlvif->channel; 8407b3115f2SLuciano Coelho cmd->ibss.basic_rate_set = cpu_to_le32(wlvif->basic_rate_set); 8417b3115f2SLuciano Coelho cmd->ibss.beacon_interval = cpu_to_le16(wlvif->beacon_int); 8427b3115f2SLuciano Coelho cmd->ibss.dtim_interval = bss_conf->dtim_period; 8437b3115f2SLuciano Coelho cmd->ibss.ssid_type = WL12XX_SSID_TYPE_ANY; 8447b3115f2SLuciano Coelho cmd->ibss.ssid_len = wlvif->ssid_len; 8457b3115f2SLuciano Coelho memcpy(cmd->ibss.ssid, wlvif->ssid, wlvif->ssid_len); 8467b3115f2SLuciano Coelho memcpy(cmd->ibss.bssid, vif->bss_conf.bssid, ETH_ALEN); 8477b3115f2SLuciano Coelho cmd->sta.local_rates = cpu_to_le32(wlvif->rate_set); 8487b3115f2SLuciano Coelho 8497b3115f2SLuciano Coelho if (wlvif->sta.hlid == WL12XX_INVALID_LINK_ID) { 8507b3115f2SLuciano Coelho ret = wl12xx_allocate_link(wl, wlvif, &wlvif->sta.hlid); 8517b3115f2SLuciano Coelho if (ret) 8527b3115f2SLuciano Coelho goto out_free; 8537b3115f2SLuciano Coelho } 8547b3115f2SLuciano Coelho cmd->ibss.hlid = wlvif->sta.hlid; 8557b3115f2SLuciano Coelho cmd->ibss.remote_rates = cpu_to_le32(wlvif->rate_set); 8567b3115f2SLuciano Coelho 8577b3115f2SLuciano Coelho wl1271_debug(DEBUG_CMD, "role start: roleid=%d, hlid=%d, session=%d " 8587b3115f2SLuciano Coelho "basic_rate_set: 0x%x, remote_rates: 0x%x", 8597b3115f2SLuciano Coelho wlvif->role_id, cmd->sta.hlid, cmd->sta.session, 8607b3115f2SLuciano Coelho wlvif->basic_rate_set, wlvif->rate_set); 8617b3115f2SLuciano Coelho 8627b3115f2SLuciano Coelho wl1271_debug(DEBUG_CMD, "vif->bss_conf.bssid = %pM", 8637b3115f2SLuciano Coelho vif->bss_conf.bssid); 8647b3115f2SLuciano Coelho 8657b3115f2SLuciano Coelho ret = wl1271_cmd_send(wl, CMD_ROLE_START, cmd, sizeof(*cmd), 0); 8667b3115f2SLuciano Coelho if (ret < 0) { 8677b3115f2SLuciano Coelho wl1271_error("failed to initiate cmd role enable"); 8687b3115f2SLuciano Coelho goto err_hlid; 8697b3115f2SLuciano Coelho } 8707b3115f2SLuciano Coelho 8717b3115f2SLuciano Coelho goto out_free; 8727b3115f2SLuciano Coelho 8737b3115f2SLuciano Coelho err_hlid: 8747b3115f2SLuciano Coelho /* clear links on error. */ 8757b3115f2SLuciano Coelho wl12xx_free_link(wl, wlvif, &wlvif->sta.hlid); 8767b3115f2SLuciano Coelho 8777b3115f2SLuciano Coelho out_free: 8787b3115f2SLuciano Coelho kfree(cmd); 8797b3115f2SLuciano Coelho 8807b3115f2SLuciano Coelho out: 8817b3115f2SLuciano Coelho return ret; 8827b3115f2SLuciano Coelho } 8837b3115f2SLuciano Coelho 8847b3115f2SLuciano Coelho 8857b3115f2SLuciano Coelho /** 8867b3115f2SLuciano Coelho * send test command to firmware 8877b3115f2SLuciano Coelho * 8887b3115f2SLuciano Coelho * @wl: wl struct 8897b3115f2SLuciano Coelho * @buf: buffer containing the command, with all headers, must work with dma 8907b3115f2SLuciano Coelho * @len: length of the buffer 8917b3115f2SLuciano Coelho * @answer: is answer needed 8927b3115f2SLuciano Coelho */ 8937b3115f2SLuciano Coelho int wl1271_cmd_test(struct wl1271 *wl, void *buf, size_t buf_len, u8 answer) 8947b3115f2SLuciano Coelho { 8957b3115f2SLuciano Coelho int ret; 8967b3115f2SLuciano Coelho size_t res_len = 0; 8977b3115f2SLuciano Coelho 8987b3115f2SLuciano Coelho wl1271_debug(DEBUG_CMD, "cmd test"); 8997b3115f2SLuciano Coelho 9007b3115f2SLuciano Coelho if (answer) 9017b3115f2SLuciano Coelho res_len = buf_len; 9027b3115f2SLuciano Coelho 9037b3115f2SLuciano Coelho ret = wl1271_cmd_send(wl, CMD_TEST, buf, buf_len, res_len); 9047b3115f2SLuciano Coelho 9057b3115f2SLuciano Coelho if (ret < 0) { 9067b3115f2SLuciano Coelho wl1271_warning("TEST command failed"); 9077b3115f2SLuciano Coelho return ret; 9087b3115f2SLuciano Coelho } 9097b3115f2SLuciano Coelho 9107b3115f2SLuciano Coelho return ret; 9117b3115f2SLuciano Coelho } 9127b3115f2SLuciano Coelho 9137b3115f2SLuciano Coelho /** 9147b3115f2SLuciano Coelho * read acx from firmware 9157b3115f2SLuciano Coelho * 9167b3115f2SLuciano Coelho * @wl: wl struct 9177b3115f2SLuciano Coelho * @id: acx id 9187b3115f2SLuciano Coelho * @buf: buffer for the response, including all headers, must work with dma 9197b3115f2SLuciano Coelho * @len: length of buf 9207b3115f2SLuciano Coelho */ 9217b3115f2SLuciano Coelho int wl1271_cmd_interrogate(struct wl1271 *wl, u16 id, void *buf, size_t len) 9227b3115f2SLuciano Coelho { 9237b3115f2SLuciano Coelho struct acx_header *acx = buf; 9247b3115f2SLuciano Coelho int ret; 9257b3115f2SLuciano Coelho 9267b3115f2SLuciano Coelho wl1271_debug(DEBUG_CMD, "cmd interrogate"); 9277b3115f2SLuciano Coelho 9287b3115f2SLuciano Coelho acx->id = cpu_to_le16(id); 9297b3115f2SLuciano Coelho 9307b3115f2SLuciano Coelho /* payload length, does not include any headers */ 9317b3115f2SLuciano Coelho acx->len = cpu_to_le16(len - sizeof(*acx)); 9327b3115f2SLuciano Coelho 9337b3115f2SLuciano Coelho ret = wl1271_cmd_send(wl, CMD_INTERROGATE, acx, sizeof(*acx), len); 9347b3115f2SLuciano Coelho if (ret < 0) 9357b3115f2SLuciano Coelho wl1271_error("INTERROGATE command failed"); 9367b3115f2SLuciano Coelho 9377b3115f2SLuciano Coelho return ret; 9387b3115f2SLuciano Coelho } 9397b3115f2SLuciano Coelho 9407b3115f2SLuciano Coelho /** 9417b3115f2SLuciano Coelho * write acx value to firmware 9427b3115f2SLuciano Coelho * 9437b3115f2SLuciano Coelho * @wl: wl struct 9447b3115f2SLuciano Coelho * @id: acx id 9457b3115f2SLuciano Coelho * @buf: buffer containing acx, including all headers, must work with dma 9467b3115f2SLuciano Coelho * @len: length of buf 9477b3115f2SLuciano Coelho */ 9487b3115f2SLuciano Coelho int wl1271_cmd_configure(struct wl1271 *wl, u16 id, void *buf, size_t len) 9497b3115f2SLuciano Coelho { 9507b3115f2SLuciano Coelho struct acx_header *acx = buf; 9517b3115f2SLuciano Coelho int ret; 9527b3115f2SLuciano Coelho 9537b3115f2SLuciano Coelho wl1271_debug(DEBUG_CMD, "cmd configure (%d)", id); 9547b3115f2SLuciano Coelho 9557b3115f2SLuciano Coelho acx->id = cpu_to_le16(id); 9567b3115f2SLuciano Coelho 9577b3115f2SLuciano Coelho /* payload length, does not include any headers */ 9587b3115f2SLuciano Coelho acx->len = cpu_to_le16(len - sizeof(*acx)); 9597b3115f2SLuciano Coelho 9607b3115f2SLuciano Coelho ret = wl1271_cmd_send(wl, CMD_CONFIGURE, acx, len, 0); 9617b3115f2SLuciano Coelho if (ret < 0) { 9627b3115f2SLuciano Coelho wl1271_warning("CONFIGURE command NOK"); 9637b3115f2SLuciano Coelho return ret; 9647b3115f2SLuciano Coelho } 9657b3115f2SLuciano Coelho 9667b3115f2SLuciano Coelho return 0; 9677b3115f2SLuciano Coelho } 9687b3115f2SLuciano Coelho 9697b3115f2SLuciano Coelho int wl1271_cmd_data_path(struct wl1271 *wl, bool enable) 9707b3115f2SLuciano Coelho { 9717b3115f2SLuciano Coelho struct cmd_enabledisable_path *cmd; 9727b3115f2SLuciano Coelho int ret; 9737b3115f2SLuciano Coelho u16 cmd_rx, cmd_tx; 9747b3115f2SLuciano Coelho 9757b3115f2SLuciano Coelho wl1271_debug(DEBUG_CMD, "cmd data path"); 9767b3115f2SLuciano Coelho 9777b3115f2SLuciano Coelho cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 9787b3115f2SLuciano Coelho if (!cmd) { 9797b3115f2SLuciano Coelho ret = -ENOMEM; 9807b3115f2SLuciano Coelho goto out; 9817b3115f2SLuciano Coelho } 9827b3115f2SLuciano Coelho 9837b3115f2SLuciano Coelho /* the channel here is only used for calibration, so hardcoded to 1 */ 9847b3115f2SLuciano Coelho cmd->channel = 1; 9857b3115f2SLuciano Coelho 9867b3115f2SLuciano Coelho if (enable) { 9877b3115f2SLuciano Coelho cmd_rx = CMD_ENABLE_RX; 9887b3115f2SLuciano Coelho cmd_tx = CMD_ENABLE_TX; 9897b3115f2SLuciano Coelho } else { 9907b3115f2SLuciano Coelho cmd_rx = CMD_DISABLE_RX; 9917b3115f2SLuciano Coelho cmd_tx = CMD_DISABLE_TX; 9927b3115f2SLuciano Coelho } 9937b3115f2SLuciano Coelho 9947b3115f2SLuciano Coelho ret = wl1271_cmd_send(wl, cmd_rx, cmd, sizeof(*cmd), 0); 9957b3115f2SLuciano Coelho if (ret < 0) { 9967b3115f2SLuciano Coelho wl1271_error("rx %s cmd for channel %d failed", 9977b3115f2SLuciano Coelho enable ? "start" : "stop", cmd->channel); 9987b3115f2SLuciano Coelho goto out; 9997b3115f2SLuciano Coelho } 10007b3115f2SLuciano Coelho 10017b3115f2SLuciano Coelho wl1271_debug(DEBUG_BOOT, "rx %s cmd channel %d", 10027b3115f2SLuciano Coelho enable ? "start" : "stop", cmd->channel); 10037b3115f2SLuciano Coelho 10047b3115f2SLuciano Coelho ret = wl1271_cmd_send(wl, cmd_tx, cmd, sizeof(*cmd), 0); 10057b3115f2SLuciano Coelho if (ret < 0) { 10067b3115f2SLuciano Coelho wl1271_error("tx %s cmd for channel %d failed", 10077b3115f2SLuciano Coelho enable ? "start" : "stop", cmd->channel); 10087b3115f2SLuciano Coelho goto out; 10097b3115f2SLuciano Coelho } 10107b3115f2SLuciano Coelho 10117b3115f2SLuciano Coelho wl1271_debug(DEBUG_BOOT, "tx %s cmd channel %d", 10127b3115f2SLuciano Coelho enable ? "start" : "stop", cmd->channel); 10137b3115f2SLuciano Coelho 10147b3115f2SLuciano Coelho out: 10157b3115f2SLuciano Coelho kfree(cmd); 10167b3115f2SLuciano Coelho return ret; 10177b3115f2SLuciano Coelho } 10187b3115f2SLuciano Coelho 10197b3115f2SLuciano Coelho int wl1271_cmd_ps_mode(struct wl1271 *wl, struct wl12xx_vif *wlvif, 10207b3115f2SLuciano Coelho u8 ps_mode, u16 auto_ps_timeout) 10217b3115f2SLuciano Coelho { 10227b3115f2SLuciano Coelho struct wl1271_cmd_ps_params *ps_params = NULL; 10237b3115f2SLuciano Coelho int ret = 0; 10247b3115f2SLuciano Coelho 10257b3115f2SLuciano Coelho wl1271_debug(DEBUG_CMD, "cmd set ps mode"); 10267b3115f2SLuciano Coelho 10277b3115f2SLuciano Coelho ps_params = kzalloc(sizeof(*ps_params), GFP_KERNEL); 10287b3115f2SLuciano Coelho if (!ps_params) { 10297b3115f2SLuciano Coelho ret = -ENOMEM; 10307b3115f2SLuciano Coelho goto out; 10317b3115f2SLuciano Coelho } 10327b3115f2SLuciano Coelho 10337b3115f2SLuciano Coelho ps_params->role_id = wlvif->role_id; 10347b3115f2SLuciano Coelho ps_params->ps_mode = ps_mode; 10357b3115f2SLuciano Coelho ps_params->auto_ps_timeout = auto_ps_timeout; 10367b3115f2SLuciano Coelho 10377b3115f2SLuciano Coelho ret = wl1271_cmd_send(wl, CMD_SET_PS_MODE, ps_params, 10387b3115f2SLuciano Coelho sizeof(*ps_params), 0); 10397b3115f2SLuciano Coelho if (ret < 0) { 10407b3115f2SLuciano Coelho wl1271_error("cmd set_ps_mode failed"); 10417b3115f2SLuciano Coelho goto out; 10427b3115f2SLuciano Coelho } 10437b3115f2SLuciano Coelho 10447b3115f2SLuciano Coelho out: 10457b3115f2SLuciano Coelho kfree(ps_params); 10467b3115f2SLuciano Coelho return ret; 10477b3115f2SLuciano Coelho } 10487b3115f2SLuciano Coelho 10497b3115f2SLuciano Coelho int wl1271_cmd_template_set(struct wl1271 *wl, u8 role_id, 10507b3115f2SLuciano Coelho u16 template_id, void *buf, size_t buf_len, 10517b3115f2SLuciano Coelho int index, u32 rates) 10527b3115f2SLuciano Coelho { 10537b3115f2SLuciano Coelho struct wl1271_cmd_template_set *cmd; 10547b3115f2SLuciano Coelho int ret = 0; 10557b3115f2SLuciano Coelho 10567b3115f2SLuciano Coelho wl1271_debug(DEBUG_CMD, "cmd template_set %d (role %d)", 10577b3115f2SLuciano Coelho template_id, role_id); 10587b3115f2SLuciano Coelho 10597b3115f2SLuciano Coelho WARN_ON(buf_len > WL1271_CMD_TEMPL_MAX_SIZE); 10607b3115f2SLuciano Coelho buf_len = min_t(size_t, buf_len, WL1271_CMD_TEMPL_MAX_SIZE); 10617b3115f2SLuciano Coelho 10627b3115f2SLuciano Coelho cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 10637b3115f2SLuciano Coelho if (!cmd) { 10647b3115f2SLuciano Coelho ret = -ENOMEM; 10657b3115f2SLuciano Coelho goto out; 10667b3115f2SLuciano Coelho } 10677b3115f2SLuciano Coelho 10687b3115f2SLuciano Coelho /* during initialization wlvif is NULL */ 10697b3115f2SLuciano Coelho cmd->role_id = role_id; 10707b3115f2SLuciano Coelho cmd->len = cpu_to_le16(buf_len); 10717b3115f2SLuciano Coelho cmd->template_type = template_id; 10727b3115f2SLuciano Coelho cmd->enabled_rates = cpu_to_le32(rates); 10737b3115f2SLuciano Coelho cmd->short_retry_limit = wl->conf.tx.tmpl_short_retry_limit; 10747b3115f2SLuciano Coelho cmd->long_retry_limit = wl->conf.tx.tmpl_long_retry_limit; 10757b3115f2SLuciano Coelho cmd->index = index; 10767b3115f2SLuciano Coelho 10777b3115f2SLuciano Coelho if (buf) 10787b3115f2SLuciano Coelho memcpy(cmd->template_data, buf, buf_len); 10797b3115f2SLuciano Coelho 10807b3115f2SLuciano Coelho ret = wl1271_cmd_send(wl, CMD_SET_TEMPLATE, cmd, sizeof(*cmd), 0); 10817b3115f2SLuciano Coelho if (ret < 0) { 10827b3115f2SLuciano Coelho wl1271_warning("cmd set_template failed: %d", ret); 10837b3115f2SLuciano Coelho goto out_free; 10847b3115f2SLuciano Coelho } 10857b3115f2SLuciano Coelho 10867b3115f2SLuciano Coelho out_free: 10877b3115f2SLuciano Coelho kfree(cmd); 10887b3115f2SLuciano Coelho 10897b3115f2SLuciano Coelho out: 10907b3115f2SLuciano Coelho return ret; 10917b3115f2SLuciano Coelho } 10927b3115f2SLuciano Coelho 10937b3115f2SLuciano Coelho int wl12xx_cmd_build_null_data(struct wl1271 *wl, struct wl12xx_vif *wlvif) 10947b3115f2SLuciano Coelho { 10957b3115f2SLuciano Coelho struct sk_buff *skb = NULL; 10967b3115f2SLuciano Coelho int size; 10977b3115f2SLuciano Coelho void *ptr; 10987b3115f2SLuciano Coelho int ret = -ENOMEM; 10997b3115f2SLuciano Coelho 11007b3115f2SLuciano Coelho 11017b3115f2SLuciano Coelho if (wlvif->bss_type == BSS_TYPE_IBSS) { 11027b3115f2SLuciano Coelho size = sizeof(struct wl12xx_null_data_template); 11037b3115f2SLuciano Coelho ptr = NULL; 11047b3115f2SLuciano Coelho } else { 11057b3115f2SLuciano Coelho skb = ieee80211_nullfunc_get(wl->hw, 11067b3115f2SLuciano Coelho wl12xx_wlvif_to_vif(wlvif)); 11077b3115f2SLuciano Coelho if (!skb) 11087b3115f2SLuciano Coelho goto out; 11097b3115f2SLuciano Coelho size = skb->len; 11107b3115f2SLuciano Coelho ptr = skb->data; 11117b3115f2SLuciano Coelho } 11127b3115f2SLuciano Coelho 11137b3115f2SLuciano Coelho ret = wl1271_cmd_template_set(wl, wlvif->role_id, 11147b3115f2SLuciano Coelho CMD_TEMPL_NULL_DATA, ptr, size, 0, 11157b3115f2SLuciano Coelho wlvif->basic_rate); 11167b3115f2SLuciano Coelho 11177b3115f2SLuciano Coelho out: 11187b3115f2SLuciano Coelho dev_kfree_skb(skb); 11197b3115f2SLuciano Coelho if (ret) 11207b3115f2SLuciano Coelho wl1271_warning("cmd buld null data failed %d", ret); 11217b3115f2SLuciano Coelho 11227b3115f2SLuciano Coelho return ret; 11237b3115f2SLuciano Coelho 11247b3115f2SLuciano Coelho } 11257b3115f2SLuciano Coelho 11267b3115f2SLuciano Coelho int wl12xx_cmd_build_klv_null_data(struct wl1271 *wl, 11277b3115f2SLuciano Coelho struct wl12xx_vif *wlvif) 11287b3115f2SLuciano Coelho { 11297b3115f2SLuciano Coelho struct ieee80211_vif *vif = wl12xx_wlvif_to_vif(wlvif); 11307b3115f2SLuciano Coelho struct sk_buff *skb = NULL; 11317b3115f2SLuciano Coelho int ret = -ENOMEM; 11327b3115f2SLuciano Coelho 11337b3115f2SLuciano Coelho skb = ieee80211_nullfunc_get(wl->hw, vif); 11347b3115f2SLuciano Coelho if (!skb) 11357b3115f2SLuciano Coelho goto out; 11367b3115f2SLuciano Coelho 11377b3115f2SLuciano Coelho ret = wl1271_cmd_template_set(wl, wlvif->role_id, CMD_TEMPL_KLV, 11387b3115f2SLuciano Coelho skb->data, skb->len, 11397b3115f2SLuciano Coelho CMD_TEMPL_KLV_IDX_NULL_DATA, 11407b3115f2SLuciano Coelho wlvif->basic_rate); 11417b3115f2SLuciano Coelho 11427b3115f2SLuciano Coelho out: 11437b3115f2SLuciano Coelho dev_kfree_skb(skb); 11447b3115f2SLuciano Coelho if (ret) 11457b3115f2SLuciano Coelho wl1271_warning("cmd build klv null data failed %d", ret); 11467b3115f2SLuciano Coelho 11477b3115f2SLuciano Coelho return ret; 11487b3115f2SLuciano Coelho 11497b3115f2SLuciano Coelho } 11507b3115f2SLuciano Coelho 11517b3115f2SLuciano Coelho int wl1271_cmd_build_ps_poll(struct wl1271 *wl, struct wl12xx_vif *wlvif, 11527b3115f2SLuciano Coelho u16 aid) 11537b3115f2SLuciano Coelho { 11547b3115f2SLuciano Coelho struct ieee80211_vif *vif = wl12xx_wlvif_to_vif(wlvif); 11557b3115f2SLuciano Coelho struct sk_buff *skb; 11567b3115f2SLuciano Coelho int ret = 0; 11577b3115f2SLuciano Coelho 11587b3115f2SLuciano Coelho skb = ieee80211_pspoll_get(wl->hw, vif); 11597b3115f2SLuciano Coelho if (!skb) 11607b3115f2SLuciano Coelho goto out; 11617b3115f2SLuciano Coelho 11627b3115f2SLuciano Coelho ret = wl1271_cmd_template_set(wl, wlvif->role_id, 11637b3115f2SLuciano Coelho CMD_TEMPL_PS_POLL, skb->data, 11647b3115f2SLuciano Coelho skb->len, 0, wlvif->basic_rate_set); 11657b3115f2SLuciano Coelho 11667b3115f2SLuciano Coelho out: 11677b3115f2SLuciano Coelho dev_kfree_skb(skb); 11687b3115f2SLuciano Coelho return ret; 11697b3115f2SLuciano Coelho } 11707b3115f2SLuciano Coelho 11717b3115f2SLuciano Coelho int wl12xx_cmd_build_probe_req(struct wl1271 *wl, struct wl12xx_vif *wlvif, 11727b3115f2SLuciano Coelho u8 role_id, u8 band, 11737b3115f2SLuciano Coelho const u8 *ssid, size_t ssid_len, 11747b3115f2SLuciano Coelho const u8 *ie, size_t ie_len) 11757b3115f2SLuciano Coelho { 11767b3115f2SLuciano Coelho struct ieee80211_vif *vif = wl12xx_wlvif_to_vif(wlvif); 11777b3115f2SLuciano Coelho struct sk_buff *skb; 11787b3115f2SLuciano Coelho int ret; 11797b3115f2SLuciano Coelho u32 rate; 11807b3115f2SLuciano Coelho 11817b3115f2SLuciano Coelho skb = ieee80211_probereq_get(wl->hw, vif, ssid, ssid_len, 11827b3115f2SLuciano Coelho ie, ie_len); 11837b3115f2SLuciano Coelho if (!skb) { 11847b3115f2SLuciano Coelho ret = -ENOMEM; 11857b3115f2SLuciano Coelho goto out; 11867b3115f2SLuciano Coelho } 11877b3115f2SLuciano Coelho 11887b3115f2SLuciano Coelho wl1271_dump(DEBUG_SCAN, "PROBE REQ: ", skb->data, skb->len); 11897b3115f2SLuciano Coelho 11907b3115f2SLuciano Coelho rate = wl1271_tx_min_rate_get(wl, wlvif->bitrate_masks[band]); 11917b3115f2SLuciano Coelho if (band == IEEE80211_BAND_2GHZ) 11927b3115f2SLuciano Coelho ret = wl1271_cmd_template_set(wl, role_id, 11937b3115f2SLuciano Coelho CMD_TEMPL_CFG_PROBE_REQ_2_4, 11947b3115f2SLuciano Coelho skb->data, skb->len, 0, rate); 11957b3115f2SLuciano Coelho else 11967b3115f2SLuciano Coelho ret = wl1271_cmd_template_set(wl, role_id, 11977b3115f2SLuciano Coelho CMD_TEMPL_CFG_PROBE_REQ_5, 11987b3115f2SLuciano Coelho skb->data, skb->len, 0, rate); 11997b3115f2SLuciano Coelho 12007b3115f2SLuciano Coelho out: 12017b3115f2SLuciano Coelho dev_kfree_skb(skb); 12027b3115f2SLuciano Coelho return ret; 12037b3115f2SLuciano Coelho } 12047b3115f2SLuciano Coelho 12057b3115f2SLuciano Coelho struct sk_buff *wl1271_cmd_build_ap_probe_req(struct wl1271 *wl, 12067b3115f2SLuciano Coelho struct wl12xx_vif *wlvif, 12077b3115f2SLuciano Coelho struct sk_buff *skb) 12087b3115f2SLuciano Coelho { 12097b3115f2SLuciano Coelho struct ieee80211_vif *vif = wl12xx_wlvif_to_vif(wlvif); 12107b3115f2SLuciano Coelho int ret; 12117b3115f2SLuciano Coelho u32 rate; 12127b3115f2SLuciano Coelho 12137b3115f2SLuciano Coelho if (!skb) 12147b3115f2SLuciano Coelho skb = ieee80211_ap_probereq_get(wl->hw, vif); 12157b3115f2SLuciano Coelho if (!skb) 12167b3115f2SLuciano Coelho goto out; 12177b3115f2SLuciano Coelho 12187b3115f2SLuciano Coelho wl1271_dump(DEBUG_SCAN, "AP PROBE REQ: ", skb->data, skb->len); 12197b3115f2SLuciano Coelho 12207b3115f2SLuciano Coelho rate = wl1271_tx_min_rate_get(wl, wlvif->bitrate_masks[wlvif->band]); 12217b3115f2SLuciano Coelho if (wlvif->band == IEEE80211_BAND_2GHZ) 12227b3115f2SLuciano Coelho ret = wl1271_cmd_template_set(wl, wlvif->role_id, 12237b3115f2SLuciano Coelho CMD_TEMPL_CFG_PROBE_REQ_2_4, 12247b3115f2SLuciano Coelho skb->data, skb->len, 0, rate); 12257b3115f2SLuciano Coelho else 12267b3115f2SLuciano Coelho ret = wl1271_cmd_template_set(wl, wlvif->role_id, 12277b3115f2SLuciano Coelho CMD_TEMPL_CFG_PROBE_REQ_5, 12287b3115f2SLuciano Coelho skb->data, skb->len, 0, rate); 12297b3115f2SLuciano Coelho 12307b3115f2SLuciano Coelho if (ret < 0) 12317b3115f2SLuciano Coelho wl1271_error("Unable to set ap probe request template."); 12327b3115f2SLuciano Coelho 12337b3115f2SLuciano Coelho out: 12347b3115f2SLuciano Coelho return skb; 12357b3115f2SLuciano Coelho } 12367b3115f2SLuciano Coelho 12377b3115f2SLuciano Coelho int wl1271_cmd_build_arp_rsp(struct wl1271 *wl, struct wl12xx_vif *wlvif) 12387b3115f2SLuciano Coelho { 12397b3115f2SLuciano Coelho int ret, extra; 12407b3115f2SLuciano Coelho u16 fc; 12417b3115f2SLuciano Coelho struct ieee80211_vif *vif = wl12xx_wlvif_to_vif(wlvif); 12427b3115f2SLuciano Coelho struct sk_buff *skb; 12437b3115f2SLuciano Coelho struct wl12xx_arp_rsp_template *tmpl; 12447b3115f2SLuciano Coelho struct ieee80211_hdr_3addr *hdr; 12457b3115f2SLuciano Coelho struct arphdr *arp_hdr; 12467b3115f2SLuciano Coelho 12477b3115f2SLuciano Coelho skb = dev_alloc_skb(sizeof(*hdr) + sizeof(__le16) + sizeof(*tmpl) + 12487b3115f2SLuciano Coelho WL1271_EXTRA_SPACE_MAX); 12497b3115f2SLuciano Coelho if (!skb) { 12507b3115f2SLuciano Coelho wl1271_error("failed to allocate buffer for arp rsp template"); 12517b3115f2SLuciano Coelho return -ENOMEM; 12527b3115f2SLuciano Coelho } 12537b3115f2SLuciano Coelho 12547b3115f2SLuciano Coelho skb_reserve(skb, sizeof(*hdr) + WL1271_EXTRA_SPACE_MAX); 12557b3115f2SLuciano Coelho 12567b3115f2SLuciano Coelho tmpl = (struct wl12xx_arp_rsp_template *)skb_put(skb, sizeof(*tmpl)); 12577b3115f2SLuciano Coelho memset(tmpl, 0, sizeof(tmpl)); 12587b3115f2SLuciano Coelho 12597b3115f2SLuciano Coelho /* llc layer */ 12607b3115f2SLuciano Coelho memcpy(tmpl->llc_hdr, rfc1042_header, sizeof(rfc1042_header)); 12617b3115f2SLuciano Coelho tmpl->llc_type = cpu_to_be16(ETH_P_ARP); 12627b3115f2SLuciano Coelho 12637b3115f2SLuciano Coelho /* arp header */ 12647b3115f2SLuciano Coelho arp_hdr = &tmpl->arp_hdr; 12657b3115f2SLuciano Coelho arp_hdr->ar_hrd = cpu_to_be16(ARPHRD_ETHER); 12667b3115f2SLuciano Coelho arp_hdr->ar_pro = cpu_to_be16(ETH_P_IP); 12677b3115f2SLuciano Coelho arp_hdr->ar_hln = ETH_ALEN; 12687b3115f2SLuciano Coelho arp_hdr->ar_pln = 4; 12697b3115f2SLuciano Coelho arp_hdr->ar_op = cpu_to_be16(ARPOP_REPLY); 12707b3115f2SLuciano Coelho 12717b3115f2SLuciano Coelho /* arp payload */ 12727b3115f2SLuciano Coelho memcpy(tmpl->sender_hw, vif->addr, ETH_ALEN); 12737b3115f2SLuciano Coelho tmpl->sender_ip = wlvif->ip_addr; 12747b3115f2SLuciano Coelho 12757b3115f2SLuciano Coelho /* encryption space */ 12767b3115f2SLuciano Coelho switch (wlvif->encryption_type) { 12777b3115f2SLuciano Coelho case KEY_TKIP: 12787b3115f2SLuciano Coelho extra = WL1271_EXTRA_SPACE_TKIP; 12797b3115f2SLuciano Coelho break; 12807b3115f2SLuciano Coelho case KEY_AES: 12817b3115f2SLuciano Coelho extra = WL1271_EXTRA_SPACE_AES; 12827b3115f2SLuciano Coelho break; 12837b3115f2SLuciano Coelho case KEY_NONE: 12847b3115f2SLuciano Coelho case KEY_WEP: 12857b3115f2SLuciano Coelho case KEY_GEM: 12867b3115f2SLuciano Coelho extra = 0; 12877b3115f2SLuciano Coelho break; 12887b3115f2SLuciano Coelho default: 12897b3115f2SLuciano Coelho wl1271_warning("Unknown encryption type: %d", 12907b3115f2SLuciano Coelho wlvif->encryption_type); 12917b3115f2SLuciano Coelho ret = -EINVAL; 12927b3115f2SLuciano Coelho goto out; 12937b3115f2SLuciano Coelho } 12947b3115f2SLuciano Coelho 12957b3115f2SLuciano Coelho if (extra) { 12967b3115f2SLuciano Coelho u8 *space = skb_push(skb, extra); 12977b3115f2SLuciano Coelho memset(space, 0, extra); 12987b3115f2SLuciano Coelho } 12997b3115f2SLuciano Coelho 13007b3115f2SLuciano Coelho /* QoS header - BE */ 13017b3115f2SLuciano Coelho if (wlvif->sta.qos) 13027b3115f2SLuciano Coelho memset(skb_push(skb, sizeof(__le16)), 0, sizeof(__le16)); 13037b3115f2SLuciano Coelho 13047b3115f2SLuciano Coelho /* mac80211 header */ 13057b3115f2SLuciano Coelho hdr = (struct ieee80211_hdr_3addr *)skb_push(skb, sizeof(*hdr)); 13067b3115f2SLuciano Coelho memset(hdr, 0, sizeof(hdr)); 13077b3115f2SLuciano Coelho fc = IEEE80211_FTYPE_DATA | IEEE80211_FCTL_TODS; 13087b3115f2SLuciano Coelho if (wlvif->sta.qos) 13097b3115f2SLuciano Coelho fc |= IEEE80211_STYPE_QOS_DATA; 13107b3115f2SLuciano Coelho else 13117b3115f2SLuciano Coelho fc |= IEEE80211_STYPE_DATA; 13127b3115f2SLuciano Coelho if (wlvif->encryption_type != KEY_NONE) 13137b3115f2SLuciano Coelho fc |= IEEE80211_FCTL_PROTECTED; 13147b3115f2SLuciano Coelho 13157b3115f2SLuciano Coelho hdr->frame_control = cpu_to_le16(fc); 13167b3115f2SLuciano Coelho memcpy(hdr->addr1, vif->bss_conf.bssid, ETH_ALEN); 13177b3115f2SLuciano Coelho memcpy(hdr->addr2, vif->addr, ETH_ALEN); 13187b3115f2SLuciano Coelho memset(hdr->addr3, 0xff, ETH_ALEN); 13197b3115f2SLuciano Coelho 13207b3115f2SLuciano Coelho ret = wl1271_cmd_template_set(wl, wlvif->role_id, CMD_TEMPL_ARP_RSP, 13217b3115f2SLuciano Coelho skb->data, skb->len, 0, 13227b3115f2SLuciano Coelho wlvif->basic_rate); 13237b3115f2SLuciano Coelho out: 13247b3115f2SLuciano Coelho dev_kfree_skb(skb); 13257b3115f2SLuciano Coelho return ret; 13267b3115f2SLuciano Coelho } 13277b3115f2SLuciano Coelho 13287b3115f2SLuciano Coelho int wl1271_build_qos_null_data(struct wl1271 *wl, struct ieee80211_vif *vif) 13297b3115f2SLuciano Coelho { 13307b3115f2SLuciano Coelho struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); 13317b3115f2SLuciano Coelho struct ieee80211_qos_hdr template; 13327b3115f2SLuciano Coelho 13337b3115f2SLuciano Coelho memset(&template, 0, sizeof(template)); 13347b3115f2SLuciano Coelho 13357b3115f2SLuciano Coelho memcpy(template.addr1, vif->bss_conf.bssid, ETH_ALEN); 13367b3115f2SLuciano Coelho memcpy(template.addr2, vif->addr, ETH_ALEN); 13377b3115f2SLuciano Coelho memcpy(template.addr3, vif->bss_conf.bssid, ETH_ALEN); 13387b3115f2SLuciano Coelho 13397b3115f2SLuciano Coelho template.frame_control = cpu_to_le16(IEEE80211_FTYPE_DATA | 13407b3115f2SLuciano Coelho IEEE80211_STYPE_QOS_NULLFUNC | 13417b3115f2SLuciano Coelho IEEE80211_FCTL_TODS); 13427b3115f2SLuciano Coelho 13437b3115f2SLuciano Coelho /* FIXME: not sure what priority to use here */ 13447b3115f2SLuciano Coelho template.qos_ctrl = cpu_to_le16(0); 13457b3115f2SLuciano Coelho 13467b3115f2SLuciano Coelho return wl1271_cmd_template_set(wl, wlvif->role_id, 13477b3115f2SLuciano Coelho CMD_TEMPL_QOS_NULL_DATA, &template, 13487b3115f2SLuciano Coelho sizeof(template), 0, 13497b3115f2SLuciano Coelho wlvif->basic_rate); 13507b3115f2SLuciano Coelho } 13517b3115f2SLuciano Coelho 13527b3115f2SLuciano Coelho int wl12xx_cmd_set_default_wep_key(struct wl1271 *wl, u8 id, u8 hlid) 13537b3115f2SLuciano Coelho { 13547b3115f2SLuciano Coelho struct wl1271_cmd_set_keys *cmd; 13557b3115f2SLuciano Coelho int ret = 0; 13567b3115f2SLuciano Coelho 13577b3115f2SLuciano Coelho wl1271_debug(DEBUG_CMD, "cmd set_default_wep_key %d", id); 13587b3115f2SLuciano Coelho 13597b3115f2SLuciano Coelho cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 13607b3115f2SLuciano Coelho if (!cmd) { 13617b3115f2SLuciano Coelho ret = -ENOMEM; 13627b3115f2SLuciano Coelho goto out; 13637b3115f2SLuciano Coelho } 13647b3115f2SLuciano Coelho 13657b3115f2SLuciano Coelho cmd->hlid = hlid; 13667b3115f2SLuciano Coelho cmd->key_id = id; 13677b3115f2SLuciano Coelho cmd->lid_key_type = WEP_DEFAULT_LID_TYPE; 13687b3115f2SLuciano Coelho cmd->key_action = cpu_to_le16(KEY_SET_ID); 13697b3115f2SLuciano Coelho cmd->key_type = KEY_WEP; 13707b3115f2SLuciano Coelho 13717b3115f2SLuciano Coelho ret = wl1271_cmd_send(wl, CMD_SET_KEYS, cmd, sizeof(*cmd), 0); 13727b3115f2SLuciano Coelho if (ret < 0) { 13737b3115f2SLuciano Coelho wl1271_warning("cmd set_default_wep_key failed: %d", ret); 13747b3115f2SLuciano Coelho goto out; 13757b3115f2SLuciano Coelho } 13767b3115f2SLuciano Coelho 13777b3115f2SLuciano Coelho out: 13787b3115f2SLuciano Coelho kfree(cmd); 13797b3115f2SLuciano Coelho 13807b3115f2SLuciano Coelho return ret; 13817b3115f2SLuciano Coelho } 13827b3115f2SLuciano Coelho 13837b3115f2SLuciano Coelho int wl1271_cmd_set_sta_key(struct wl1271 *wl, struct wl12xx_vif *wlvif, 13847b3115f2SLuciano Coelho u16 action, u8 id, u8 key_type, 13857b3115f2SLuciano Coelho u8 key_size, const u8 *key, const u8 *addr, 13867b3115f2SLuciano Coelho u32 tx_seq_32, u16 tx_seq_16) 13877b3115f2SLuciano Coelho { 13887b3115f2SLuciano Coelho struct wl1271_cmd_set_keys *cmd; 13897b3115f2SLuciano Coelho int ret = 0; 13907b3115f2SLuciano Coelho 13917b3115f2SLuciano Coelho /* hlid might have already been deleted */ 13927b3115f2SLuciano Coelho if (wlvif->sta.hlid == WL12XX_INVALID_LINK_ID) 13937b3115f2SLuciano Coelho return 0; 13947b3115f2SLuciano Coelho 13957b3115f2SLuciano Coelho cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 13967b3115f2SLuciano Coelho if (!cmd) { 13977b3115f2SLuciano Coelho ret = -ENOMEM; 13987b3115f2SLuciano Coelho goto out; 13997b3115f2SLuciano Coelho } 14007b3115f2SLuciano Coelho 14017b3115f2SLuciano Coelho cmd->hlid = wlvif->sta.hlid; 14027b3115f2SLuciano Coelho 14037b3115f2SLuciano Coelho if (key_type == KEY_WEP) 14047b3115f2SLuciano Coelho cmd->lid_key_type = WEP_DEFAULT_LID_TYPE; 14057b3115f2SLuciano Coelho else if (is_broadcast_ether_addr(addr)) 14067b3115f2SLuciano Coelho cmd->lid_key_type = BROADCAST_LID_TYPE; 14077b3115f2SLuciano Coelho else 14087b3115f2SLuciano Coelho cmd->lid_key_type = UNICAST_LID_TYPE; 14097b3115f2SLuciano Coelho 14107b3115f2SLuciano Coelho cmd->key_action = cpu_to_le16(action); 14117b3115f2SLuciano Coelho cmd->key_size = key_size; 14127b3115f2SLuciano Coelho cmd->key_type = key_type; 14137b3115f2SLuciano Coelho 14147b3115f2SLuciano Coelho cmd->ac_seq_num16[0] = cpu_to_le16(tx_seq_16); 14157b3115f2SLuciano Coelho cmd->ac_seq_num32[0] = cpu_to_le32(tx_seq_32); 14167b3115f2SLuciano Coelho 14177b3115f2SLuciano Coelho cmd->key_id = id; 14187b3115f2SLuciano Coelho 14197b3115f2SLuciano Coelho if (key_type == KEY_TKIP) { 14207b3115f2SLuciano Coelho /* 14217b3115f2SLuciano Coelho * We get the key in the following form: 14227b3115f2SLuciano Coelho * TKIP (16 bytes) - TX MIC (8 bytes) - RX MIC (8 bytes) 14237b3115f2SLuciano Coelho * but the target is expecting: 14247b3115f2SLuciano Coelho * TKIP - RX MIC - TX MIC 14257b3115f2SLuciano Coelho */ 14267b3115f2SLuciano Coelho memcpy(cmd->key, key, 16); 14277b3115f2SLuciano Coelho memcpy(cmd->key + 16, key + 24, 8); 14287b3115f2SLuciano Coelho memcpy(cmd->key + 24, key + 16, 8); 14297b3115f2SLuciano Coelho 14307b3115f2SLuciano Coelho } else { 14317b3115f2SLuciano Coelho memcpy(cmd->key, key, key_size); 14327b3115f2SLuciano Coelho } 14337b3115f2SLuciano Coelho 14347b3115f2SLuciano Coelho wl1271_dump(DEBUG_CRYPT, "TARGET KEY: ", cmd, sizeof(*cmd)); 14357b3115f2SLuciano Coelho 14367b3115f2SLuciano Coelho ret = wl1271_cmd_send(wl, CMD_SET_KEYS, cmd, sizeof(*cmd), 0); 14377b3115f2SLuciano Coelho if (ret < 0) { 14387b3115f2SLuciano Coelho wl1271_warning("could not set keys"); 14397b3115f2SLuciano Coelho goto out; 14407b3115f2SLuciano Coelho } 14417b3115f2SLuciano Coelho 14427b3115f2SLuciano Coelho out: 14437b3115f2SLuciano Coelho kfree(cmd); 14447b3115f2SLuciano Coelho 14457b3115f2SLuciano Coelho return ret; 14467b3115f2SLuciano Coelho } 14477b3115f2SLuciano Coelho 14487b3115f2SLuciano Coelho /* 14497b3115f2SLuciano Coelho * TODO: merge with sta/ibss into 1 set_key function. 14507b3115f2SLuciano Coelho * note there are slight diffs 14517b3115f2SLuciano Coelho */ 14527b3115f2SLuciano Coelho int wl1271_cmd_set_ap_key(struct wl1271 *wl, struct wl12xx_vif *wlvif, 14537b3115f2SLuciano Coelho u16 action, u8 id, u8 key_type, 14547b3115f2SLuciano Coelho u8 key_size, const u8 *key, u8 hlid, u32 tx_seq_32, 14557b3115f2SLuciano Coelho u16 tx_seq_16) 14567b3115f2SLuciano Coelho { 14577b3115f2SLuciano Coelho struct wl1271_cmd_set_keys *cmd; 14587b3115f2SLuciano Coelho int ret = 0; 14597b3115f2SLuciano Coelho u8 lid_type; 14607b3115f2SLuciano Coelho 14617b3115f2SLuciano Coelho cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 14627b3115f2SLuciano Coelho if (!cmd) 14637b3115f2SLuciano Coelho return -ENOMEM; 14647b3115f2SLuciano Coelho 14657b3115f2SLuciano Coelho if (hlid == wlvif->ap.bcast_hlid) { 14667b3115f2SLuciano Coelho if (key_type == KEY_WEP) 14677b3115f2SLuciano Coelho lid_type = WEP_DEFAULT_LID_TYPE; 14687b3115f2SLuciano Coelho else 14697b3115f2SLuciano Coelho lid_type = BROADCAST_LID_TYPE; 14707b3115f2SLuciano Coelho } else { 14717b3115f2SLuciano Coelho lid_type = UNICAST_LID_TYPE; 14727b3115f2SLuciano Coelho } 14737b3115f2SLuciano Coelho 14747b3115f2SLuciano Coelho wl1271_debug(DEBUG_CRYPT, "ap key action: %d id: %d lid: %d type: %d" 14757b3115f2SLuciano Coelho " hlid: %d", (int)action, (int)id, (int)lid_type, 14767b3115f2SLuciano Coelho (int)key_type, (int)hlid); 14777b3115f2SLuciano Coelho 14787b3115f2SLuciano Coelho cmd->lid_key_type = lid_type; 14797b3115f2SLuciano Coelho cmd->hlid = hlid; 14807b3115f2SLuciano Coelho cmd->key_action = cpu_to_le16(action); 14817b3115f2SLuciano Coelho cmd->key_size = key_size; 14827b3115f2SLuciano Coelho cmd->key_type = key_type; 14837b3115f2SLuciano Coelho cmd->key_id = id; 14847b3115f2SLuciano Coelho cmd->ac_seq_num16[0] = cpu_to_le16(tx_seq_16); 14857b3115f2SLuciano Coelho cmd->ac_seq_num32[0] = cpu_to_le32(tx_seq_32); 14867b3115f2SLuciano Coelho 14877b3115f2SLuciano Coelho if (key_type == KEY_TKIP) { 14887b3115f2SLuciano Coelho /* 14897b3115f2SLuciano Coelho * We get the key in the following form: 14907b3115f2SLuciano Coelho * TKIP (16 bytes) - TX MIC (8 bytes) - RX MIC (8 bytes) 14917b3115f2SLuciano Coelho * but the target is expecting: 14927b3115f2SLuciano Coelho * TKIP - RX MIC - TX MIC 14937b3115f2SLuciano Coelho */ 14947b3115f2SLuciano Coelho memcpy(cmd->key, key, 16); 14957b3115f2SLuciano Coelho memcpy(cmd->key + 16, key + 24, 8); 14967b3115f2SLuciano Coelho memcpy(cmd->key + 24, key + 16, 8); 14977b3115f2SLuciano Coelho } else { 14987b3115f2SLuciano Coelho memcpy(cmd->key, key, key_size); 14997b3115f2SLuciano Coelho } 15007b3115f2SLuciano Coelho 15017b3115f2SLuciano Coelho wl1271_dump(DEBUG_CRYPT, "TARGET AP KEY: ", cmd, sizeof(*cmd)); 15027b3115f2SLuciano Coelho 15037b3115f2SLuciano Coelho ret = wl1271_cmd_send(wl, CMD_SET_KEYS, cmd, sizeof(*cmd), 0); 15047b3115f2SLuciano Coelho if (ret < 0) { 15057b3115f2SLuciano Coelho wl1271_warning("could not set ap keys"); 15067b3115f2SLuciano Coelho goto out; 15077b3115f2SLuciano Coelho } 15087b3115f2SLuciano Coelho 15097b3115f2SLuciano Coelho out: 15107b3115f2SLuciano Coelho kfree(cmd); 15117b3115f2SLuciano Coelho return ret; 15127b3115f2SLuciano Coelho } 15137b3115f2SLuciano Coelho 15147b3115f2SLuciano Coelho int wl12xx_cmd_set_peer_state(struct wl1271 *wl, u8 hlid) 15157b3115f2SLuciano Coelho { 15167b3115f2SLuciano Coelho struct wl12xx_cmd_set_peer_state *cmd; 15177b3115f2SLuciano Coelho int ret = 0; 15187b3115f2SLuciano Coelho 15197b3115f2SLuciano Coelho wl1271_debug(DEBUG_CMD, "cmd set peer state (hlid=%d)", hlid); 15207b3115f2SLuciano Coelho 15217b3115f2SLuciano Coelho cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 15227b3115f2SLuciano Coelho if (!cmd) { 15237b3115f2SLuciano Coelho ret = -ENOMEM; 15247b3115f2SLuciano Coelho goto out; 15257b3115f2SLuciano Coelho } 15267b3115f2SLuciano Coelho 15277b3115f2SLuciano Coelho cmd->hlid = hlid; 15287b3115f2SLuciano Coelho cmd->state = WL1271_CMD_STA_STATE_CONNECTED; 15297b3115f2SLuciano Coelho 15307b3115f2SLuciano Coelho ret = wl1271_cmd_send(wl, CMD_SET_PEER_STATE, cmd, sizeof(*cmd), 0); 15317b3115f2SLuciano Coelho if (ret < 0) { 15327b3115f2SLuciano Coelho wl1271_error("failed to send set peer state command"); 15337b3115f2SLuciano Coelho goto out_free; 15347b3115f2SLuciano Coelho } 15357b3115f2SLuciano Coelho 15367b3115f2SLuciano Coelho out_free: 15377b3115f2SLuciano Coelho kfree(cmd); 15387b3115f2SLuciano Coelho 15397b3115f2SLuciano Coelho out: 15407b3115f2SLuciano Coelho return ret; 15417b3115f2SLuciano Coelho } 15427b3115f2SLuciano Coelho 15437b3115f2SLuciano Coelho int wl12xx_cmd_add_peer(struct wl1271 *wl, struct wl12xx_vif *wlvif, 15447b3115f2SLuciano Coelho struct ieee80211_sta *sta, u8 hlid) 15457b3115f2SLuciano Coelho { 15467b3115f2SLuciano Coelho struct wl12xx_cmd_add_peer *cmd; 15477b3115f2SLuciano Coelho int i, ret; 15487b3115f2SLuciano Coelho u32 sta_rates; 15497b3115f2SLuciano Coelho 15507b3115f2SLuciano Coelho wl1271_debug(DEBUG_CMD, "cmd add peer %d", (int)hlid); 15517b3115f2SLuciano Coelho 15527b3115f2SLuciano Coelho cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 15537b3115f2SLuciano Coelho if (!cmd) { 15547b3115f2SLuciano Coelho ret = -ENOMEM; 15557b3115f2SLuciano Coelho goto out; 15567b3115f2SLuciano Coelho } 15577b3115f2SLuciano Coelho 15587b3115f2SLuciano Coelho memcpy(cmd->addr, sta->addr, ETH_ALEN); 15597b3115f2SLuciano Coelho cmd->bss_index = WL1271_AP_BSS_INDEX; 15607b3115f2SLuciano Coelho cmd->aid = sta->aid; 15617b3115f2SLuciano Coelho cmd->hlid = hlid; 15627b3115f2SLuciano Coelho cmd->sp_len = sta->max_sp; 15637b3115f2SLuciano Coelho cmd->wmm = sta->wme ? 1 : 0; 15647b3115f2SLuciano Coelho 15657b3115f2SLuciano Coelho for (i = 0; i < NUM_ACCESS_CATEGORIES_COPY; i++) 15667b3115f2SLuciano Coelho if (sta->wme && (sta->uapsd_queues & BIT(i))) 15677b3115f2SLuciano Coelho cmd->psd_type[i] = WL1271_PSD_UPSD_TRIGGER; 15687b3115f2SLuciano Coelho else 15697b3115f2SLuciano Coelho cmd->psd_type[i] = WL1271_PSD_LEGACY; 15707b3115f2SLuciano Coelho 15717b3115f2SLuciano Coelho sta_rates = sta->supp_rates[wlvif->band]; 15727b3115f2SLuciano Coelho if (sta->ht_cap.ht_supported) 15737b3115f2SLuciano Coelho sta_rates |= sta->ht_cap.mcs.rx_mask[0] << HW_HT_RATES_OFFSET; 15747b3115f2SLuciano Coelho 15757b3115f2SLuciano Coelho cmd->supported_rates = 15767b3115f2SLuciano Coelho cpu_to_le32(wl1271_tx_enabled_rates_get(wl, sta_rates, 15777b3115f2SLuciano Coelho wlvif->band)); 15787b3115f2SLuciano Coelho 15797b3115f2SLuciano Coelho wl1271_debug(DEBUG_CMD, "new peer rates=0x%x queues=0x%x", 15807b3115f2SLuciano Coelho cmd->supported_rates, sta->uapsd_queues); 15817b3115f2SLuciano Coelho 15827b3115f2SLuciano Coelho ret = wl1271_cmd_send(wl, CMD_ADD_PEER, cmd, sizeof(*cmd), 0); 15837b3115f2SLuciano Coelho if (ret < 0) { 15847b3115f2SLuciano Coelho wl1271_error("failed to initiate cmd add peer"); 15857b3115f2SLuciano Coelho goto out_free; 15867b3115f2SLuciano Coelho } 15877b3115f2SLuciano Coelho 15887b3115f2SLuciano Coelho out_free: 15897b3115f2SLuciano Coelho kfree(cmd); 15907b3115f2SLuciano Coelho 15917b3115f2SLuciano Coelho out: 15927b3115f2SLuciano Coelho return ret; 15937b3115f2SLuciano Coelho } 15947b3115f2SLuciano Coelho 15957b3115f2SLuciano Coelho int wl12xx_cmd_remove_peer(struct wl1271 *wl, u8 hlid) 15967b3115f2SLuciano Coelho { 15977b3115f2SLuciano Coelho struct wl12xx_cmd_remove_peer *cmd; 15987b3115f2SLuciano Coelho int ret; 15997b3115f2SLuciano Coelho 16007b3115f2SLuciano Coelho wl1271_debug(DEBUG_CMD, "cmd remove peer %d", (int)hlid); 16017b3115f2SLuciano Coelho 16027b3115f2SLuciano Coelho cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 16037b3115f2SLuciano Coelho if (!cmd) { 16047b3115f2SLuciano Coelho ret = -ENOMEM; 16057b3115f2SLuciano Coelho goto out; 16067b3115f2SLuciano Coelho } 16077b3115f2SLuciano Coelho 16087b3115f2SLuciano Coelho cmd->hlid = hlid; 16097b3115f2SLuciano Coelho /* We never send a deauth, mac80211 is in charge of this */ 16107b3115f2SLuciano Coelho cmd->reason_opcode = 0; 16117b3115f2SLuciano Coelho cmd->send_deauth_flag = 0; 16127b3115f2SLuciano Coelho 16137b3115f2SLuciano Coelho ret = wl1271_cmd_send(wl, CMD_REMOVE_PEER, cmd, sizeof(*cmd), 0); 16147b3115f2SLuciano Coelho if (ret < 0) { 16157b3115f2SLuciano Coelho wl1271_error("failed to initiate cmd remove peer"); 16167b3115f2SLuciano Coelho goto out_free; 16177b3115f2SLuciano Coelho } 16187b3115f2SLuciano Coelho 16197b3115f2SLuciano Coelho /* 16207b3115f2SLuciano Coelho * We are ok with a timeout here. The event is sometimes not sent 16217b3115f2SLuciano Coelho * due to a firmware bug. 16227b3115f2SLuciano Coelho */ 16237b3115f2SLuciano Coelho wl1271_cmd_wait_for_event_or_timeout(wl, 16247b3115f2SLuciano Coelho PEER_REMOVE_COMPLETE_EVENT_ID); 16257b3115f2SLuciano Coelho 16267b3115f2SLuciano Coelho out_free: 16277b3115f2SLuciano Coelho kfree(cmd); 16287b3115f2SLuciano Coelho 16297b3115f2SLuciano Coelho out: 16307b3115f2SLuciano Coelho return ret; 16317b3115f2SLuciano Coelho } 16327b3115f2SLuciano Coelho 16337b3115f2SLuciano Coelho int wl12xx_cmd_config_fwlog(struct wl1271 *wl) 16347b3115f2SLuciano Coelho { 16357b3115f2SLuciano Coelho struct wl12xx_cmd_config_fwlog *cmd; 16367b3115f2SLuciano Coelho int ret = 0; 16377b3115f2SLuciano Coelho 16387b3115f2SLuciano Coelho wl1271_debug(DEBUG_CMD, "cmd config firmware logger"); 16397b3115f2SLuciano Coelho 16407b3115f2SLuciano Coelho cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 16417b3115f2SLuciano Coelho if (!cmd) { 16427b3115f2SLuciano Coelho ret = -ENOMEM; 16437b3115f2SLuciano Coelho goto out; 16447b3115f2SLuciano Coelho } 16457b3115f2SLuciano Coelho 16467b3115f2SLuciano Coelho cmd->logger_mode = wl->conf.fwlog.mode; 16477b3115f2SLuciano Coelho cmd->log_severity = wl->conf.fwlog.severity; 16487b3115f2SLuciano Coelho cmd->timestamp = wl->conf.fwlog.timestamp; 16497b3115f2SLuciano Coelho cmd->output = wl->conf.fwlog.output; 16507b3115f2SLuciano Coelho cmd->threshold = wl->conf.fwlog.threshold; 16517b3115f2SLuciano Coelho 16527b3115f2SLuciano Coelho ret = wl1271_cmd_send(wl, CMD_CONFIG_FWLOGGER, cmd, sizeof(*cmd), 0); 16537b3115f2SLuciano Coelho if (ret < 0) { 16547b3115f2SLuciano Coelho wl1271_error("failed to send config firmware logger command"); 16557b3115f2SLuciano Coelho goto out_free; 16567b3115f2SLuciano Coelho } 16577b3115f2SLuciano Coelho 16587b3115f2SLuciano Coelho out_free: 16597b3115f2SLuciano Coelho kfree(cmd); 16607b3115f2SLuciano Coelho 16617b3115f2SLuciano Coelho out: 16627b3115f2SLuciano Coelho return ret; 16637b3115f2SLuciano Coelho } 16647b3115f2SLuciano Coelho 16657b3115f2SLuciano Coelho int wl12xx_cmd_start_fwlog(struct wl1271 *wl) 16667b3115f2SLuciano Coelho { 16677b3115f2SLuciano Coelho struct wl12xx_cmd_start_fwlog *cmd; 16687b3115f2SLuciano Coelho int ret = 0; 16697b3115f2SLuciano Coelho 16707b3115f2SLuciano Coelho wl1271_debug(DEBUG_CMD, "cmd start firmware logger"); 16717b3115f2SLuciano Coelho 16727b3115f2SLuciano Coelho cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 16737b3115f2SLuciano Coelho if (!cmd) { 16747b3115f2SLuciano Coelho ret = -ENOMEM; 16757b3115f2SLuciano Coelho goto out; 16767b3115f2SLuciano Coelho } 16777b3115f2SLuciano Coelho 16787b3115f2SLuciano Coelho ret = wl1271_cmd_send(wl, CMD_START_FWLOGGER, cmd, sizeof(*cmd), 0); 16797b3115f2SLuciano Coelho if (ret < 0) { 16807b3115f2SLuciano Coelho wl1271_error("failed to send start firmware logger command"); 16817b3115f2SLuciano Coelho goto out_free; 16827b3115f2SLuciano Coelho } 16837b3115f2SLuciano Coelho 16847b3115f2SLuciano Coelho out_free: 16857b3115f2SLuciano Coelho kfree(cmd); 16867b3115f2SLuciano Coelho 16877b3115f2SLuciano Coelho out: 16887b3115f2SLuciano Coelho return ret; 16897b3115f2SLuciano Coelho } 16907b3115f2SLuciano Coelho 16917b3115f2SLuciano Coelho int wl12xx_cmd_stop_fwlog(struct wl1271 *wl) 16927b3115f2SLuciano Coelho { 16937b3115f2SLuciano Coelho struct wl12xx_cmd_stop_fwlog *cmd; 16947b3115f2SLuciano Coelho int ret = 0; 16957b3115f2SLuciano Coelho 16967b3115f2SLuciano Coelho wl1271_debug(DEBUG_CMD, "cmd stop firmware logger"); 16977b3115f2SLuciano Coelho 16987b3115f2SLuciano Coelho cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 16997b3115f2SLuciano Coelho if (!cmd) { 17007b3115f2SLuciano Coelho ret = -ENOMEM; 17017b3115f2SLuciano Coelho goto out; 17027b3115f2SLuciano Coelho } 17037b3115f2SLuciano Coelho 17047b3115f2SLuciano Coelho ret = wl1271_cmd_send(wl, CMD_STOP_FWLOGGER, cmd, sizeof(*cmd), 0); 17057b3115f2SLuciano Coelho if (ret < 0) { 17067b3115f2SLuciano Coelho wl1271_error("failed to send stop firmware logger command"); 17077b3115f2SLuciano Coelho goto out_free; 17087b3115f2SLuciano Coelho } 17097b3115f2SLuciano Coelho 17107b3115f2SLuciano Coelho out_free: 17117b3115f2SLuciano Coelho kfree(cmd); 17127b3115f2SLuciano Coelho 17137b3115f2SLuciano Coelho out: 17147b3115f2SLuciano Coelho return ret; 17157b3115f2SLuciano Coelho } 17167b3115f2SLuciano Coelho 17177b3115f2SLuciano Coelho static int wl12xx_cmd_roc(struct wl1271 *wl, struct wl12xx_vif *wlvif, 17187b3115f2SLuciano Coelho u8 role_id) 17197b3115f2SLuciano Coelho { 17207b3115f2SLuciano Coelho struct wl12xx_cmd_roc *cmd; 17217b3115f2SLuciano Coelho int ret = 0; 17227b3115f2SLuciano Coelho 17237b3115f2SLuciano Coelho wl1271_debug(DEBUG_CMD, "cmd roc %d (%d)", wlvif->channel, role_id); 17247b3115f2SLuciano Coelho 17257b3115f2SLuciano Coelho if (WARN_ON(role_id == WL12XX_INVALID_ROLE_ID)) 17267b3115f2SLuciano Coelho return -EINVAL; 17277b3115f2SLuciano Coelho 17287b3115f2SLuciano Coelho cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 17297b3115f2SLuciano Coelho if (!cmd) { 17307b3115f2SLuciano Coelho ret = -ENOMEM; 17317b3115f2SLuciano Coelho goto out; 17327b3115f2SLuciano Coelho } 17337b3115f2SLuciano Coelho 17347b3115f2SLuciano Coelho cmd->role_id = role_id; 17357b3115f2SLuciano Coelho cmd->channel = wlvif->channel; 17367b3115f2SLuciano Coelho switch (wlvif->band) { 17377b3115f2SLuciano Coelho case IEEE80211_BAND_2GHZ: 173800782136SLuciano Coelho cmd->band = WLCORE_BAND_2_4GHZ; 17397b3115f2SLuciano Coelho break; 17407b3115f2SLuciano Coelho case IEEE80211_BAND_5GHZ: 174100782136SLuciano Coelho cmd->band = WLCORE_BAND_5GHZ; 17427b3115f2SLuciano Coelho break; 17437b3115f2SLuciano Coelho default: 17447b3115f2SLuciano Coelho wl1271_error("roc - unknown band: %d", (int)wlvif->band); 17457b3115f2SLuciano Coelho ret = -EINVAL; 17467b3115f2SLuciano Coelho goto out_free; 17477b3115f2SLuciano Coelho } 17487b3115f2SLuciano Coelho 17497b3115f2SLuciano Coelho 17507b3115f2SLuciano Coelho ret = wl1271_cmd_send(wl, CMD_REMAIN_ON_CHANNEL, cmd, sizeof(*cmd), 0); 17517b3115f2SLuciano Coelho if (ret < 0) { 17527b3115f2SLuciano Coelho wl1271_error("failed to send ROC command"); 17537b3115f2SLuciano Coelho goto out_free; 17547b3115f2SLuciano Coelho } 17557b3115f2SLuciano Coelho 17567b3115f2SLuciano Coelho out_free: 17577b3115f2SLuciano Coelho kfree(cmd); 17587b3115f2SLuciano Coelho 17597b3115f2SLuciano Coelho out: 17607b3115f2SLuciano Coelho return ret; 17617b3115f2SLuciano Coelho } 17627b3115f2SLuciano Coelho 17637b3115f2SLuciano Coelho static int wl12xx_cmd_croc(struct wl1271 *wl, u8 role_id) 17647b3115f2SLuciano Coelho { 17657b3115f2SLuciano Coelho struct wl12xx_cmd_croc *cmd; 17667b3115f2SLuciano Coelho int ret = 0; 17677b3115f2SLuciano Coelho 17687b3115f2SLuciano Coelho wl1271_debug(DEBUG_CMD, "cmd croc (%d)", role_id); 17697b3115f2SLuciano Coelho 17707b3115f2SLuciano Coelho cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 17717b3115f2SLuciano Coelho if (!cmd) { 17727b3115f2SLuciano Coelho ret = -ENOMEM; 17737b3115f2SLuciano Coelho goto out; 17747b3115f2SLuciano Coelho } 17757b3115f2SLuciano Coelho cmd->role_id = role_id; 17767b3115f2SLuciano Coelho 17777b3115f2SLuciano Coelho ret = wl1271_cmd_send(wl, CMD_CANCEL_REMAIN_ON_CHANNEL, cmd, 17787b3115f2SLuciano Coelho sizeof(*cmd), 0); 17797b3115f2SLuciano Coelho if (ret < 0) { 17807b3115f2SLuciano Coelho wl1271_error("failed to send ROC command"); 17817b3115f2SLuciano Coelho goto out_free; 17827b3115f2SLuciano Coelho } 17837b3115f2SLuciano Coelho 17847b3115f2SLuciano Coelho out_free: 17857b3115f2SLuciano Coelho kfree(cmd); 17867b3115f2SLuciano Coelho 17877b3115f2SLuciano Coelho out: 17887b3115f2SLuciano Coelho return ret; 17897b3115f2SLuciano Coelho } 17907b3115f2SLuciano Coelho 17917b3115f2SLuciano Coelho int wl12xx_roc(struct wl1271 *wl, struct wl12xx_vif *wlvif, u8 role_id) 17927b3115f2SLuciano Coelho { 17937b3115f2SLuciano Coelho int ret = 0; 17947b3115f2SLuciano Coelho 17957b3115f2SLuciano Coelho if (WARN_ON(test_bit(role_id, wl->roc_map))) 17967b3115f2SLuciano Coelho return 0; 17977b3115f2SLuciano Coelho 17987b3115f2SLuciano Coelho ret = wl12xx_cmd_roc(wl, wlvif, role_id); 17997b3115f2SLuciano Coelho if (ret < 0) 18007b3115f2SLuciano Coelho goto out; 18017b3115f2SLuciano Coelho 18027b3115f2SLuciano Coelho ret = wl1271_cmd_wait_for_event(wl, 18037b3115f2SLuciano Coelho REMAIN_ON_CHANNEL_COMPLETE_EVENT_ID); 18047b3115f2SLuciano Coelho if (ret < 0) { 18057b3115f2SLuciano Coelho wl1271_error("cmd roc event completion error"); 18067b3115f2SLuciano Coelho goto out; 18077b3115f2SLuciano Coelho } 18087b3115f2SLuciano Coelho 18097b3115f2SLuciano Coelho __set_bit(role_id, wl->roc_map); 18107b3115f2SLuciano Coelho out: 18117b3115f2SLuciano Coelho return ret; 18127b3115f2SLuciano Coelho } 18137b3115f2SLuciano Coelho 18147b3115f2SLuciano Coelho int wl12xx_croc(struct wl1271 *wl, u8 role_id) 18157b3115f2SLuciano Coelho { 18167b3115f2SLuciano Coelho int ret = 0; 18177b3115f2SLuciano Coelho 18187b3115f2SLuciano Coelho if (WARN_ON(!test_bit(role_id, wl->roc_map))) 18197b3115f2SLuciano Coelho return 0; 18207b3115f2SLuciano Coelho 18217b3115f2SLuciano Coelho ret = wl12xx_cmd_croc(wl, role_id); 18227b3115f2SLuciano Coelho if (ret < 0) 18237b3115f2SLuciano Coelho goto out; 18247b3115f2SLuciano Coelho 18257b3115f2SLuciano Coelho __clear_bit(role_id, wl->roc_map); 18267b3115f2SLuciano Coelho 18277b3115f2SLuciano Coelho /* 18287b3115f2SLuciano Coelho * Rearm the tx watchdog when removing the last ROC. This prevents 18297b3115f2SLuciano Coelho * recoveries due to just finished ROCs - when Tx hasn't yet had 18307b3115f2SLuciano Coelho * a chance to get out. 18317b3115f2SLuciano Coelho */ 18327b3115f2SLuciano Coelho if (find_first_bit(wl->roc_map, WL12XX_MAX_ROLES) >= WL12XX_MAX_ROLES) 18337b3115f2SLuciano Coelho wl12xx_rearm_tx_watchdog_locked(wl); 18347b3115f2SLuciano Coelho out: 18357b3115f2SLuciano Coelho return ret; 18367b3115f2SLuciano Coelho } 18377b3115f2SLuciano Coelho 18387b3115f2SLuciano Coelho int wl12xx_cmd_channel_switch(struct wl1271 *wl, 18397b3115f2SLuciano Coelho struct wl12xx_vif *wlvif, 18407b3115f2SLuciano Coelho struct ieee80211_channel_switch *ch_switch) 18417b3115f2SLuciano Coelho { 18427b3115f2SLuciano Coelho struct wl12xx_cmd_channel_switch *cmd; 18437b3115f2SLuciano Coelho int ret; 18447b3115f2SLuciano Coelho 18457b3115f2SLuciano Coelho wl1271_debug(DEBUG_ACX, "cmd channel switch"); 18467b3115f2SLuciano Coelho 18477b3115f2SLuciano Coelho cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 18487b3115f2SLuciano Coelho if (!cmd) { 18497b3115f2SLuciano Coelho ret = -ENOMEM; 18507b3115f2SLuciano Coelho goto out; 18517b3115f2SLuciano Coelho } 18527b3115f2SLuciano Coelho 18537b3115f2SLuciano Coelho cmd->role_id = wlvif->role_id; 18547b3115f2SLuciano Coelho cmd->channel = ch_switch->channel->hw_value; 18557b3115f2SLuciano Coelho cmd->switch_time = ch_switch->count; 18567b3115f2SLuciano Coelho cmd->stop_tx = ch_switch->block_tx; 18577b3115f2SLuciano Coelho 18587b3115f2SLuciano Coelho /* FIXME: control from mac80211 in the future */ 18597b3115f2SLuciano Coelho cmd->post_switch_tx_disable = 0; /* Enable TX on the target channel */ 18607b3115f2SLuciano Coelho 18617b3115f2SLuciano Coelho ret = wl1271_cmd_send(wl, CMD_CHANNEL_SWITCH, cmd, sizeof(*cmd), 0); 18627b3115f2SLuciano Coelho if (ret < 0) { 18637b3115f2SLuciano Coelho wl1271_error("failed to send channel switch command"); 18647b3115f2SLuciano Coelho goto out_free; 18657b3115f2SLuciano Coelho } 18667b3115f2SLuciano Coelho 18677b3115f2SLuciano Coelho out_free: 18687b3115f2SLuciano Coelho kfree(cmd); 18697b3115f2SLuciano Coelho 18707b3115f2SLuciano Coelho out: 18717b3115f2SLuciano Coelho return ret; 18727b3115f2SLuciano Coelho } 18737b3115f2SLuciano Coelho 18747b3115f2SLuciano Coelho int wl12xx_cmd_stop_channel_switch(struct wl1271 *wl) 18757b3115f2SLuciano Coelho { 18767b3115f2SLuciano Coelho struct wl12xx_cmd_stop_channel_switch *cmd; 18777b3115f2SLuciano Coelho int ret; 18787b3115f2SLuciano Coelho 18797b3115f2SLuciano Coelho wl1271_debug(DEBUG_ACX, "cmd stop channel switch"); 18807b3115f2SLuciano Coelho 18817b3115f2SLuciano Coelho cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 18827b3115f2SLuciano Coelho if (!cmd) { 18837b3115f2SLuciano Coelho ret = -ENOMEM; 18847b3115f2SLuciano Coelho goto out; 18857b3115f2SLuciano Coelho } 18867b3115f2SLuciano Coelho 18877b3115f2SLuciano Coelho ret = wl1271_cmd_send(wl, CMD_STOP_CHANNEL_SWICTH, cmd, sizeof(*cmd), 0); 18887b3115f2SLuciano Coelho if (ret < 0) { 18897b3115f2SLuciano Coelho wl1271_error("failed to stop channel switch command"); 18907b3115f2SLuciano Coelho goto out_free; 18917b3115f2SLuciano Coelho } 18927b3115f2SLuciano Coelho 18937b3115f2SLuciano Coelho out_free: 18947b3115f2SLuciano Coelho kfree(cmd); 18957b3115f2SLuciano Coelho 18967b3115f2SLuciano Coelho out: 18977b3115f2SLuciano Coelho return ret; 18987b3115f2SLuciano Coelho } 18997b3115f2SLuciano Coelho 19007b3115f2SLuciano Coelho /* start dev role and roc on its channel */ 19017b3115f2SLuciano Coelho int wl12xx_start_dev(struct wl1271 *wl, struct wl12xx_vif *wlvif) 19027b3115f2SLuciano Coelho { 19037b3115f2SLuciano Coelho int ret; 19047b3115f2SLuciano Coelho 19057b3115f2SLuciano Coelho if (WARN_ON(!(wlvif->bss_type == BSS_TYPE_STA_BSS || 19067b3115f2SLuciano Coelho wlvif->bss_type == BSS_TYPE_IBSS))) 19077b3115f2SLuciano Coelho return -EINVAL; 19087b3115f2SLuciano Coelho 19097b3115f2SLuciano Coelho ret = wl12xx_cmd_role_start_dev(wl, wlvif); 19107b3115f2SLuciano Coelho if (ret < 0) 19117b3115f2SLuciano Coelho goto out; 19127b3115f2SLuciano Coelho 19137b3115f2SLuciano Coelho ret = wl12xx_roc(wl, wlvif, wlvif->dev_role_id); 19147b3115f2SLuciano Coelho if (ret < 0) 19157b3115f2SLuciano Coelho goto out_stop; 19167b3115f2SLuciano Coelho 19177b3115f2SLuciano Coelho return 0; 19187b3115f2SLuciano Coelho 19197b3115f2SLuciano Coelho out_stop: 19207b3115f2SLuciano Coelho wl12xx_cmd_role_stop_dev(wl, wlvif); 19217b3115f2SLuciano Coelho out: 19227b3115f2SLuciano Coelho return ret; 19237b3115f2SLuciano Coelho } 19247b3115f2SLuciano Coelho 19257b3115f2SLuciano Coelho /* croc dev hlid, and stop the role */ 19267b3115f2SLuciano Coelho int wl12xx_stop_dev(struct wl1271 *wl, struct wl12xx_vif *wlvif) 19277b3115f2SLuciano Coelho { 19287b3115f2SLuciano Coelho int ret; 19297b3115f2SLuciano Coelho 19307b3115f2SLuciano Coelho if (WARN_ON(!(wlvif->bss_type == BSS_TYPE_STA_BSS || 19317b3115f2SLuciano Coelho wlvif->bss_type == BSS_TYPE_IBSS))) 19327b3115f2SLuciano Coelho return -EINVAL; 19337b3115f2SLuciano Coelho 19347b3115f2SLuciano Coelho /* flush all pending packets */ 19357b3115f2SLuciano Coelho wl1271_tx_work_locked(wl); 19367b3115f2SLuciano Coelho 19377b3115f2SLuciano Coelho if (test_bit(wlvif->dev_role_id, wl->roc_map)) { 19387b3115f2SLuciano Coelho ret = wl12xx_croc(wl, wlvif->dev_role_id); 19397b3115f2SLuciano Coelho if (ret < 0) 19407b3115f2SLuciano Coelho goto out; 19417b3115f2SLuciano Coelho } 19427b3115f2SLuciano Coelho 19437b3115f2SLuciano Coelho ret = wl12xx_cmd_role_stop_dev(wl, wlvif); 19447b3115f2SLuciano Coelho if (ret < 0) 19457b3115f2SLuciano Coelho goto out; 19467b3115f2SLuciano Coelho out: 19477b3115f2SLuciano Coelho return ret; 19487b3115f2SLuciano Coelho } 1949