diff options
Diffstat (limited to 'drivers/net/wireless/wl12xx')
24 files changed, 879 insertions, 578 deletions
diff --git a/drivers/net/wireless/wl12xx/Kconfig b/drivers/net/wireless/wl12xx/Kconfig index 337fc7bec5a..2f98058be45 100644 --- a/drivers/net/wireless/wl12xx/Kconfig +++ b/drivers/net/wireless/wl12xx/Kconfig @@ -41,7 +41,7 @@ config WL1251_SDIO config WL1271 tristate "TI wl1271 support" - depends on WL12XX && SPI_MASTER && GENERIC_HARDIRQS + depends on WL12XX && GENERIC_HARDIRQS depends on INET select FW_LOADER select CRC7 @@ -65,7 +65,7 @@ config WL1271_SPI config WL1271_SDIO tristate "TI wl1271 SDIO support" - depends on WL1271 && MMC && ARM + depends on WL1271 && MMC ---help--- This module adds support for the SDIO interface of adapters using TI wl1271 chipset. Select this if your platform is using diff --git a/drivers/net/wireless/wl12xx/Makefile b/drivers/net/wireless/wl12xx/Makefile index 27ddd2be0a9..078b4398ac1 100644 --- a/drivers/net/wireless/wl12xx/Makefile +++ b/drivers/net/wireless/wl12xx/Makefile @@ -10,7 +10,7 @@ obj-$(CONFIG_WL1251_SDIO) += wl1251_sdio.o wl1271-objs = wl1271_main.o wl1271_cmd.o wl1271_io.o \ wl1271_event.o wl1271_tx.o wl1271_rx.o \ wl1271_ps.o wl1271_acx.o wl1271_boot.o \ - wl1271_init.o wl1271_debugfs.o + wl1271_init.o wl1271_debugfs.o wl1271_scan.o wl1271-$(CONFIG_NL80211_TESTMODE) += wl1271_testmode.o obj-$(CONFIG_WL1271) += wl1271.o diff --git a/drivers/net/wireless/wl12xx/wl1251_main.c b/drivers/net/wireless/wl12xx/wl1251_main.c index 00b24282fc7..38f72f41718 100644 --- a/drivers/net/wireless/wl12xx/wl1251_main.c +++ b/drivers/net/wireless/wl12xx/wl1251_main.c @@ -124,7 +124,7 @@ static int wl1251_fetch_nvs(struct wl1251 *wl) } wl->nvs_len = fw->size; - wl->nvs = kmalloc(wl->nvs_len, GFP_KERNEL); + wl->nvs = kmemdup(fw->data, wl->nvs_len, GFP_KERNEL); if (!wl->nvs) { wl1251_error("could not allocate memory for the nvs file"); @@ -132,8 +132,6 @@ static int wl1251_fetch_nvs(struct wl1251 *wl) goto out; } - memcpy(wl->nvs, fw->data, wl->nvs_len); - ret = 0; out: @@ -1419,5 +1417,4 @@ EXPORT_SYMBOL_GPL(wl1251_free_hw); MODULE_DESCRIPTION("TI wl1251 Wireles LAN Driver Core"); MODULE_LICENSE("GPL"); MODULE_AUTHOR("Kalle Valo <kalle.valo@nokia.com>"); -MODULE_ALIAS("spi:wl1251"); MODULE_FIRMWARE(WL1251_FW_NAME); diff --git a/drivers/net/wireless/wl12xx/wl1251_sdio.c b/drivers/net/wireless/wl12xx/wl1251_sdio.c index c561332e700..b901b613565 100644 --- a/drivers/net/wireless/wl12xx/wl1251_sdio.c +++ b/drivers/net/wireless/wl12xx/wl1251_sdio.c @@ -37,11 +37,17 @@ #define SDIO_DEVICE_ID_TI_WL1251 0x9066 #endif +struct wl1251_sdio { + struct sdio_func *func; + u32 elp_val; +}; + static struct wl12xx_platform_data *wl12xx_board_data; static struct sdio_func *wl_to_func(struct wl1251 *wl) { - return wl->if_priv; + struct wl1251_sdio *wl_sdio = wl->if_priv; + return wl_sdio->func; } static void wl1251_sdio_interrupt(struct sdio_func *func) @@ -90,10 +96,17 @@ static void wl1251_sdio_write(struct wl1251 *wl, int addr, static void wl1251_sdio_read_elp(struct wl1251 *wl, int addr, u32 *val) { int ret = 0; - struct sdio_func *func = wl_to_func(wl); - + struct wl1251_sdio *wl_sdio = wl->if_priv; + struct sdio_func *func = wl_sdio->func; + + /* + * The hardware only supports RAW (read after write) access for + * reading, regular sdio_readb won't work here (it interprets + * the unused bits of CMD52 as write data even if we send read + * request). + */ sdio_claim_host(func); - *val = sdio_readb(func, addr, &ret); + *val = sdio_writeb_readb(func, wl_sdio->elp_val, addr, &ret); sdio_release_host(func); if (ret) @@ -103,7 +116,8 @@ static void wl1251_sdio_read_elp(struct wl1251 *wl, int addr, u32 *val) static void wl1251_sdio_write_elp(struct wl1251 *wl, int addr, u32 val) { int ret = 0; - struct sdio_func *func = wl_to_func(wl); + struct wl1251_sdio *wl_sdio = wl->if_priv; + struct sdio_func *func = wl_sdio->func; sdio_claim_host(func); sdio_writeb(func, val, addr, &ret); @@ -111,6 +125,8 @@ static void wl1251_sdio_write_elp(struct wl1251 *wl, int addr, u32 val) if (ret) wl1251_error("sdio_writeb failed (%d)", ret); + else + wl_sdio->elp_val = val; } static void wl1251_sdio_reset(struct wl1251 *wl) @@ -197,6 +213,7 @@ static int wl1251_sdio_probe(struct sdio_func *func, int ret; struct wl1251 *wl; struct ieee80211_hw *hw; + struct wl1251_sdio *wl_sdio; hw = wl1251_alloc_hw(); if (IS_ERR(hw)) @@ -204,6 +221,12 @@ static int wl1251_sdio_probe(struct sdio_func *func, wl = hw->priv; + wl_sdio = kzalloc(sizeof(*wl_sdio), GFP_KERNEL); + if (wl_sdio == NULL) { + ret = -ENOMEM; + goto out_free_hw; + } + sdio_claim_host(func); ret = sdio_enable_func(func); if (ret) @@ -213,7 +236,8 @@ static int wl1251_sdio_probe(struct sdio_func *func, sdio_release_host(func); SET_IEEE80211_DEV(hw, &func->dev); - wl->if_priv = func; + wl_sdio->func = func; + wl->if_priv = wl_sdio; wl->if_ops = &wl1251_sdio_ops; wl->set_power = wl1251_sdio_set_power; @@ -259,6 +283,8 @@ disable: sdio_disable_func(func); release: sdio_release_host(func); + kfree(wl_sdio); +out_free_hw: wl1251_free_hw(wl); return ret; } @@ -266,9 +292,11 @@ release: static void __devexit wl1251_sdio_remove(struct sdio_func *func) { struct wl1251 *wl = sdio_get_drvdata(func); + struct wl1251_sdio *wl_sdio = wl->if_priv; if (wl->irq) free_irq(wl->irq, wl); + kfree(wl_sdio); wl1251_free_hw(wl); sdio_claim_host(func); diff --git a/drivers/net/wireless/wl12xx/wl1251_spi.c b/drivers/net/wireless/wl12xx/wl1251_spi.c index e81474203a2..27fdfaaeb07 100644 --- a/drivers/net/wireless/wl12xx/wl1251_spi.c +++ b/drivers/net/wireless/wl12xx/wl1251_spi.c @@ -345,3 +345,4 @@ module_exit(wl1251_spi_exit); MODULE_LICENSE("GPL"); MODULE_AUTHOR("Kalle Valo <kalle.valo@nokia.com>"); +MODULE_ALIAS("spi:wl1251"); diff --git a/drivers/net/wireless/wl12xx/wl1271.h b/drivers/net/wireless/wl12xx/wl1271.h index 6f1b6b5640c..b7c2995d4f4 100644 --- a/drivers/net/wireless/wl12xx/wl1271.h +++ b/drivers/net/wireless/wl12xx/wl1271.h @@ -33,6 +33,7 @@ #include <net/mac80211.h> #include "wl1271_conf.h" +#include "wl1271_ini.h" #define DRIVER_NAME "wl1271" #define DRIVER_PREFIX DRIVER_NAME ": " @@ -116,33 +117,6 @@ enum { #define WL1271_TX_SECURITY_LO16(s) ((u16)((s) & 0xffff)) #define WL1271_TX_SECURITY_HI32(s) ((u32)(((s) >> 16) & 0xffffffff)) -/* NVS data structure */ -#define WL1271_NVS_SECTION_SIZE 468 - -#define WL1271_NVS_GENERAL_PARAMS_SIZE 57 -#define WL1271_NVS_GENERAL_PARAMS_SIZE_PADDED \ - (WL1271_NVS_GENERAL_PARAMS_SIZE + 1) -#define WL1271_NVS_STAT_RADIO_PARAMS_SIZE 17 -#define WL1271_NVS_STAT_RADIO_PARAMS_SIZE_PADDED \ - (WL1271_NVS_STAT_RADIO_PARAMS_SIZE + 1) -#define WL1271_NVS_DYN_RADIO_PARAMS_SIZE 65 -#define WL1271_NVS_DYN_RADIO_PARAMS_SIZE_PADDED \ - (WL1271_NVS_DYN_RADIO_PARAMS_SIZE + 1) -#define WL1271_NVS_FEM_COUNT 2 -#define WL1271_NVS_INI_SPARE_SIZE 124 - -struct wl1271_nvs_file { - /* NVS section */ - u8 nvs[WL1271_NVS_SECTION_SIZE]; - - /* INI section */ - u8 general_params[WL1271_NVS_GENERAL_PARAMS_SIZE_PADDED]; - u8 stat_radio_params[WL1271_NVS_STAT_RADIO_PARAMS_SIZE_PADDED]; - u8 dyn_radio_params[WL1271_NVS_FEM_COUNT] - [WL1271_NVS_DYN_RADIO_PARAMS_SIZE_PADDED]; - u8 ini_spare[WL1271_NVS_INI_SPARE_SIZE]; -} __attribute__ ((packed)); - /* * Enable/disable 802.11a support for WL1273 */ @@ -325,12 +299,11 @@ struct wl1271_rx_mem_pool_addr { }; struct wl1271_scan { + struct cfg80211_scan_request *req; + bool *scanned_ch; u8 state; u8 ssid[IW_ESSID_MAX_SIZE+1]; size_t ssid_len; - u8 active; - u8 high_prio; - u8 probe_requests; }; struct wl1271_if_operations { @@ -368,13 +341,14 @@ struct wl1271 { #define WL1271_FLAG_JOINED (2) #define WL1271_FLAG_GPIO_POWER (3) #define WL1271_FLAG_TX_QUEUE_STOPPED (4) -#define WL1271_FLAG_SCANNING (5) -#define WL1271_FLAG_IN_ELP (6) -#define WL1271_FLAG_PSM (7) -#define WL1271_FLAG_PSM_REQUESTED (8) -#define WL1271_FLAG_IRQ_PENDING (9) -#define WL1271_FLAG_IRQ_RUNNING (10) -#define WL1271_FLAG_IDLE (11) +#define WL1271_FLAG_IN_ELP (5) +#define WL1271_FLAG_PSM (6) +#define WL1271_FLAG_PSM_REQUESTED (7) +#define WL1271_FLAG_IRQ_PENDING (8) +#define WL1271_FLAG_IRQ_RUNNING (9) +#define WL1271_FLAG_IDLE (10) +#define WL1271_FLAG_IDLE_REQUESTED (11) +#define WL1271_FLAG_PSPOLL_FAILURE (12) unsigned long flags; struct wl1271_partition_set part; @@ -421,6 +395,7 @@ struct wl1271 { /* Pending TX frames */ struct sk_buff *tx_frames[ACX_TX_DESCRIPTORS]; + int tx_frames_cnt; /* Security sequence number counters */ u8 tx_security_last_seq; @@ -468,6 +443,10 @@ struct wl1271 { struct completion *elp_compl; struct delayed_work elp_work; + struct delayed_work pspoll_work; + + /* counter for ps-poll delivery failures */ + int ps_poll_failures; /* retry counter for PSM entries */ u8 psm_entry_retry; diff --git a/drivers/net/wireless/wl12xx/wl1271_acx.c b/drivers/net/wireless/wl12xx/wl1271_acx.c index e19e2f8f1e5..bb245f05af4 100644 --- a/drivers/net/wireless/wl12xx/wl1271_acx.c +++ b/drivers/net/wireless/wl12xx/wl1271_acx.c @@ -1075,8 +1075,7 @@ out: return ret; } -int wl1271_acx_arp_ip_filter(struct wl1271 *wl, bool enable, u8 *address, - u8 version) +int wl1271_acx_arp_ip_filter(struct wl1271 *wl, bool enable, __be32 address) { struct wl1271_acx_arp_filter *acx; int ret; @@ -1089,17 +1088,11 @@ int wl1271_acx_arp_ip_filter(struct wl1271 *wl, bool enable, u8 *address, goto out; } - acx->version = version; + acx->version = ACX_IPV4_VERSION; acx->enable = enable; - if (enable == true) { - if (version == ACX_IPV4_VERSION) - memcpy(acx->address, address, ACX_IPV4_ADDR_SIZE); - else if (version == ACX_IPV6_VERSION) - memcpy(acx->address, address, sizeof(acx->address)); - else - wl1271_error("Invalid IP version"); - } + if (enable == true) + memcpy(acx->address, &address, ACX_IPV4_ADDR_SIZE); ret = wl1271_cmd_configure(wl, ACX_ARP_IP_FILTER, acx, sizeof(*acx)); @@ -1266,3 +1259,29 @@ out: kfree(acx); return ret; } + +int wl1271_acx_tsf_info(struct wl1271 *wl, u64 *mactime) +{ + struct wl1271_acx_fw_tsf_information *tsf_info; + int ret; + + tsf_info = kzalloc(sizeof(*tsf_info), GFP_KERNEL); + if (!tsf_info) { + ret = -ENOMEM; + goto out; + } + + ret = wl1271_cmd_interrogate(wl, ACX_TSF_INFO, + tsf_info, sizeof(*tsf_info)); + if (ret < 0) { + wl1271_warning("acx tsf info interrogate failed"); + goto out; + } + + *mactime = le32_to_cpu(tsf_info->current_tsf_low) | + ((u64) le32_to_cpu(tsf_info->current_tsf_high) << 32); + +out: + kfree(tsf_info); + return ret; +} diff --git a/drivers/net/wireless/wl12xx/wl1271_acx.h b/drivers/net/wireless/wl12xx/wl1271_acx.h index 420e7e2fc02..dc983907049 100644 --- a/drivers/net/wireless/wl12xx/wl1271_acx.h +++ b/drivers/net/wireless/wl12xx/wl1271_acx.h @@ -993,6 +993,17 @@ struct wl1271_acx_rssi_snr_avg_weights { u8 snr_data; }; +struct wl1271_acx_fw_tsf_information { + struct acx_header header; + + __le32 current_tsf_high; + __le32 current_tsf_low; + __le32 last_bttt_high; + __le32 last_tbtt_low; + u8 last_dtim_count; + u8 padding[3]; +} __packed; + enum { ACX_WAKE_UP_CONDITIONS = 0x0002, ACX_MEM_CFG = 0x0003, @@ -1106,13 +1117,13 @@ int wl1271_acx_init_mem_config(struct wl1271 *wl); int wl1271_acx_init_rx_interrupt(struct wl1271 *wl); int wl1271_acx_smart_reflex(struct wl1271 *wl); int wl1271_acx_bet_enable(struct wl1271 *wl, bool enable); -int wl1271_acx_arp_ip_filter(struct wl1271 *wl, bool enable, u8 *address, - u8 version); +int wl1271_acx_arp_ip_filter(struct wl1271 *wl, bool enable, __be32 address); int wl1271_acx_pm_config(struct wl1271 *wl); int wl1271_acx_keep_alive_mode(struct wl1271 *wl, bool enable); int wl1271_acx_keep_alive_config(struct wl1271 *wl, u8 index, u8 tpl_valid); int wl1271_acx_rssi_snr_trigger(struct wl1271 *wl, bool enable, s16 thold, u8 hyst); int wl1271_acx_rssi_snr_avg_weights(struct wl1271 *wl); +int wl1271_acx_tsf_info(struct wl1271 *wl, u64 *mactime); #endif /* __WL1271_ACX_H__ */ diff --git a/drivers/net/wireless/wl12xx/wl1271_boot.c b/drivers/net/wireless/wl12xx/wl1271_boot.c index 1a36d8a2196..f36430b0336 100644 --- a/drivers/net/wireless/wl12xx/wl1271_boot.c +++ b/drivers/net/wireless/wl12xx/wl1271_boot.c @@ -414,7 +414,9 @@ static int wl1271_boot_run_firmware(struct wl1271 *wl) PS_REPORT_EVENT_ID | JOIN_EVENT_COMPLETE_ID | DISCONNECT_EVENT_COMPLETE_ID | - RSSI_SNR_TRIGGER_0_EVENT_ID; + RSSI_SNR_TRIGGER_0_EVENT_ID | + PSPOLL_DELIVERY_FAILURE_EVENT_ID | + SOFT_GEMINI_SENSE_EVENT_ID; ret = wl1271_event_unmask(wl); if (ret < 0) { diff --git a/drivers/net/wireless/wl12xx/wl1271_cmd.c b/drivers/net/wireless/wl12xx/wl1271_cmd.c index 19393e236e2..ce503ddd5a4 100644 --- a/drivers/net/wireless/wl12xx/wl1271_cmd.c +++ b/drivers/net/wireless/wl12xx/wl1271_cmd.c @@ -104,100 +104,6 @@ out: return ret; } -static int wl1271_cmd_cal_channel_tune(struct wl1271 *wl) -{ - struct wl1271_cmd_cal_channel_tune *cmd; - int ret = 0; - - cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); - if (!cmd) - return -ENOMEM; - - cmd->test.id = TEST_CMD_CHANNEL_TUNE; - - cmd->band = WL1271_CHANNEL_TUNE_BAND_2_4; - /* set up any channel, 7 is in the middle of the range */ - cmd->channel = 7; - - ret = wl1271_cmd_test(wl, cmd, sizeof(*cmd), 0); - if (ret < 0) - wl1271_warning("TEST_CMD_CHANNEL_TUNE failed"); - - kfree(cmd); - return ret; -} - -static int wl1271_cmd_cal_update_ref_point(struct wl1271 *wl) -{ - struct wl1271_cmd_cal_update_ref_point *cmd; - int ret = 0; - - cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); - if (!cmd) - return -ENOMEM; - - cmd->test.id = TEST_CMD_UPDATE_PD_REFERENCE_POINT; - - /* FIXME: still waiting for the correct values */ - cmd->ref_power = 0; - cmd->ref_detector = 0; - - cmd->sub_band = WL1271_PD_REFERENCE_POINT_BAND_B_G; - - ret = wl1271_cmd_test(wl, cmd, sizeof(*cmd), 0); - if (ret < 0) - wl1271_warning("TEST_CMD_UPDATE_PD_REFERENCE_POINT failed"); - - kfree(cmd); - return ret; -} - -static int wl1271_cmd_cal_p2g(struct wl1271 *wl) -{ - struct wl1271_cmd_cal_p2g *cmd; - int ret = 0; - - cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); - if (!cmd) - return -ENOMEM; - - cmd->test.id = TEST_CMD_P2G_CAL; - - cmd->sub_band_mask = WL1271_CAL_P2G_BAND_B_G; - - ret = wl1271_cmd_test(wl, cmd, sizeof(*cmd), 0); - if (ret < 0) - wl1271_warning("TEST_CMD_P2G_CAL failed"); - - kfree(cmd); - return ret; -} - -static int wl1271_cmd_cal(struct wl1271 *wl) -{ - /* - * FIXME: we must make sure that we're not sleeping when calibration - * is done - */ - int ret; - - wl1271_notice("performing tx calibration"); - - ret = wl1271_cmd_cal_channel_tune(wl); - if (ret < 0) - return ret; - - ret = wl1271_cmd_cal_update_ref_point(wl); - if (ret < 0) - return ret; - - ret = wl1271_cmd_cal_p2g(wl); - if (ret < 0) - return ret; - - return ret; -} - int wl1271_cmd_general_parms(struct wl1271 *wl) { struct wl1271_general_parms_cmd *gen_parms; @@ -212,8 +118,8 @@ int wl1271_cmd_general_parms(struct wl1271 *wl) gen_parms->test.id = TEST_CMD_INI_FILE_GENERAL_PARAM; - memcpy(gen_parms->params, wl->nvs->general_params, - WL1271_NVS_GENERAL_PARAMS_SIZE); + memcpy(&gen_parms->general_params, &wl->nvs->general_params, + sizeof(struct wl1271_ini_general_params)); ret = wl1271_cmd_test(wl, gen_parms, sizeof(*gen_parms), 0); if (ret < 0) @@ -226,7 +132,7 @@ int wl1271_cmd_general_parms(struct wl1271 *wl) int wl1271_cmd_radio_parms(struct wl1271 *wl) { struct wl1271_radio_parms_cmd *radio_parms; - struct conf_radio_parms *rparam = &wl->conf.init.radioparam; + struct wl1271_ini_general_params *gp = &wl->nvs->general_params; int ret; if (!wl->nvs) @@ -238,13 +144,20 @@ int wl1271_cmd_radio_parms(struct wl1271 *wl) radio_parms->test.id = TEST_CMD_INI_FILE_RADIO_PARAM; - memcpy(radio_parms->stat_radio_params, wl->nvs->stat_radio_params, - WL1271_NVS_STAT_RADIO_PARAMS_SIZE); - memcpy(radio_parms->dyn_radio_params, - wl->nvs->dyn_radio_params[rparam->fem], - WL1271_NVS_DYN_RADIO_PARAMS_SIZE); - - /* FIXME: current NVS is missing 5GHz parameters */ + /* 2.4GHz parameters */ + memcpy(&radio_parms->static_params_2, &wl->nvs->stat_radio_params_2, + sizeof(struct wl1271_ini_band_params_2)); + memcpy(&radio_parms->dyn_params_2, + &wl->nvs->dyn_radio_params_2[gp->tx_bip_fem_manufacturer].params, + sizeof(struct wl1271_ini_fem_params_2)); + + /* 5GHz parameters */ + memcpy(&radio_parms->static_params_5, + &wl->nvs->stat_radio_params_5, + sizeof(struct wl1271_ini_band_params_5)); + memcpy(&radio_parms->dyn_params_5, + &wl->nvs->dyn_radio_params_5[gp->tx_bip_fem_manufacturer].params, + sizeof(struct wl1271_ini_fem_params_5)); wl1271_dump(DEBUG_CMD, "TEST_CMD_INI_FILE_RADIO_PARAM: ", radio_parms, sizeof(*radio_parms)); @@ -288,20 +201,10 @@ static int wl1271_cmd_wait_for_event(struct wl1271 *wl, u32 mask) int wl1271_cmd_join(struct wl1271 *wl, u8 bss_type) { - static bool do_cal = true; struct wl1271_cmd_join *join; int ret, i; u8 *bssid; - /* FIXME: remove when we get calibration from the factory */ - if (do_cal) { - ret = wl1271_cmd_cal(wl); - if (ret < 0) - wl1271_warning("couldn't calibrate"); - else - do_cal = false; - } - join = kzalloc(sizeof(*join), GFP_KERNEL); if (!join) { ret = -ENOMEM; @@ -329,12 +232,6 @@ int wl1271_cmd_join(struct wl1271 *wl, u8 bss_type) join->channel = wl->channel; join->ssid_len = wl->ssid_len; memcpy(join->ssid, wl->ssid, wl->ssid_len); - join->ctrl = WL1271_JOIN_CMD_CTRL_TX_FLUSH; - - /* increment the session counter */ - wl->session_counter++; - if (wl->session_counter >= SESSION_COUNTER_MAX) - wl->session_counter = 0; join->ctrl |= wl->session_counter << WL1271_JOIN_CMD_TX_SESSION_OFFSET; @@ -517,7 +414,7 @@ int wl1271_cmd_ps_mode(struct wl1271 *wl, u8 ps_mode, bool send) ps_params->send_null_data = send; ps_params->retries = 5; ps_params->hang_over_period = 1; - ps_params->null_data_rate = cpu_to_le32(1); /* 1 Mbps */ + ps_params->null_data_rate = cpu_to_le32(wl->basic_rate_set); ret = wl1271_cmd_send(wl, CMD_SET_PS_MODE, ps_params, sizeof(*ps_params), 0); @@ -566,140 +463,6 @@ out: return ret; } -int wl1271_cmd_scan(struct wl1271 *wl, const u8 *ssid, size_t ssid_len, - const u8 *ie, size_t ie_len, u8 active_scan, - u8 high_prio, u8 band, u8 probe_requests) -{ - - struct wl1271_cmd_trigger_scan_to *trigger = NULL; - struct wl1271_cmd_scan *params = NULL; - struct ieee80211_channel *channels; - u32 rate; - int i, j, n_ch, ret; - u16 scan_options = 0; - u8 ieee_band; - - if (band == WL1271_SCAN_BAND_2_4_GHZ) { - ieee_band = IEEE80211_BAND_2GHZ; - rate = wl->conf.tx.basic_rate; - } else if (band == WL1271_SCAN_BAND_DUAL && wl1271_11a_enabled()) { - ieee_band = IEEE80211_BAND_2GHZ; - rate = wl->conf.tx.basic_rate; - } else if (band == WL1271_SCAN_BAND_5_GHZ && wl1271_11a_enabled()) { - ieee_band = IEEE80211_BAND_5GHZ; - rate = wl->conf.tx.basic_rate_5; - } else - return -EINVAL; - - if (wl->hw->wiphy->bands[ieee_band]->channels == NULL) - return -EINVAL; - - channels = wl->hw->wiphy->bands[ieee_band]->channels; - n_ch = wl->hw->wiphy->bands[ieee_band]->n_channels; - - if (test_bit(WL1271_FLAG_SCANNING, &wl->flags)) - return -EINVAL; - - params = kzalloc(sizeof(*params), GFP_KERNEL); - if (!params) - return -ENOMEM; - - params->params.rx_config_options = cpu_to_le32(CFG_RX_ALL_GOOD); - params->params.rx_filter_options = - cpu_to_le32(CFG_RX_PRSP_EN | CFG_RX_MGMT_EN | CFG_RX_BCN_EN); - - if (!active_scan) - scan_options |= WL1271_SCAN_OPT_PASSIVE; - if (high_prio) - scan_options |= WL1271_SCAN_OPT_PRIORITY_HIGH; - params->params.scan_options = cpu_to_le16(scan_options); - - params->params.num_probe_requests = probe_requests; - params->params.tx_rate = cpu_to_le32(rate); - params->params.tid_trigger = 0; - params->params.scan_tag = WL1271_SCAN_DEFAULT_TAG; - - if (band == WL1271_SCAN_BAND_DUAL) - params->params.band = WL1271_SCAN_BAND_2_4_GHZ; - else - params->params.band = band; - - for (i = 0, j = 0; i < n_ch && i < WL1271_SCAN_MAX_CHANNELS; i++) { - if (!(channels[i].flags & IEEE80211_CHAN_DISABLED)) { - params->channels[j].min_duration = - cpu_to_le32(WL1271_SCAN_CHAN_MIN_DURATION); - params->channels[j].max_duration = - cpu_to_le32(WL1271_SCAN_CHAN_MAX_DURATION); - memset(¶ms->channels[j].bssid_lsb, 0xff, 4); - memset(¶ms->channels[j].bssid_msb, 0xff, 2); - params->channels[j].early_termination = 0; - params->channels[j].tx_power_att = - WL1271_SCAN_CURRENT_TX_PWR; - params->channels[j].channel = channels[i].hw_value; - j++; - } - } - - params->params.num_channels = j; - - if (ssid_len && ssid) { - params->params.ssid_len = ssid_len; - memcpy(params->params.ssid, ssid, ssid_len); - } - - ret = wl1271_cmd_build_probe_req(wl, ssid, ssid_len, - ie, ie_len, ieee_band); - if (ret < 0) { - wl1271_error("PROBE request template failed"); - goto out; - } - - trigger = kzalloc(sizeof(*trigger), GFP_KERNEL); - if (!trigger) { - ret = -ENOMEM; - goto out; - } - - /* disable the timeout */ - trigger->timeout = 0; - - ret = wl1271_cmd_send(wl, CMD_TRIGGER_SCAN_TO, trigger, - sizeof(*trigger), 0); - if (ret < 0) { - wl1271_error("trigger scan to failed for hw scan"); - goto out; - } - - wl1271_dump(DEBUG_SCAN, "SCAN: ", params, sizeof(*params)); - - set_bit(WL1271_FLAG_SCANNING, &wl->flags); - if (wl1271_11a_enabled()) { - wl->scan.state = band; - if (band == WL1271_SCAN_BAND_DUAL) { - wl->scan.active = active_scan; - wl->scan.high_prio = high_prio; - wl->scan.probe_requests = probe_requests; - if (ssid_len && ssid) { - wl->scan.ssid_len = ssid_len; - memcpy(wl->scan.ssid, ssid, ssid_len); - } else - wl->scan.ssid_len = 0; - } - } - - ret = wl1271_cmd_send(wl, CMD_SCAN, params, sizeof(*params), 0); - if (ret < 0) { - wl1271_error("SCAN failed"); - clear_bit(WL1271_FLAG_SCANNING, &wl->flags); - goto out; - } - -out: - kfree(params); - kfree(trigger); - return ret; -} - int wl1271_cmd_template_set(struct wl1271 *wl, u16 template_id, void *buf, size_t buf_len, int index, u32 rates) { @@ -804,7 +567,7 @@ int wl1271_cmd_build_ps_poll(struct wl1271 *wl, u16 aid) goto out; ret = wl1271_cmd_template_set(wl, CMD_TEMPL_PS_POLL, skb->data, - skb->len, 0, wl->basic_rate); + skb->len, 0, wl->basic_rate_set); out: dev_kfree_skb(skb); diff --git a/drivers/net/wireless/wl12xx/wl1271_cmd.h b/drivers/net/wireless/wl12xx/wl1271_cmd.h index f2820b42a94..34cd013ae5b 100644 --- a/drivers/net/wireless/wl12xx/wl1271_cmd.h +++ b/drivers/net/wireless/wl12xx/wl1271_cmd.h @@ -41,9 +41,6 @@ int wl1271_cmd_data_path(struct wl1271 *wl, bool enable); int wl1271_cmd_ps_mode(struct wl1271 *wl, u8 ps_mode, bool send); int wl1271_cmd_read_memory(struct wl1271 *wl, u32 addr, void *answer, size_t len); -int wl1271_cmd_scan(struct wl1271 *wl, const u8 *ssid, size_t ssid_len, - const u8 *ie, size_t ie_len, u8 active_scan, - u8 high_prio, u8 band, u8 probe_requests); int wl1271_cmd_template_set(struct wl1271 *wl, u16 template_id, void *buf, size_t buf_len, int index, u32 rates); int wl1271_cmd_build_null_data(struct wl1271 *wl); @@ -350,71 +347,6 @@ struct wl1271_cmd_set_keys { __le32 ac_seq_num32[NUM_ACCESS_CATEGORIES_COPY]; } __attribute__ ((packed)); - -#define WL1271_SCAN_MAX_CHANNELS 24 -#define WL1271_SCAN_DEFAULT_TAG 1 -#define WL1271_SCAN_CURRENT_TX_PWR 0 -#define WL1271_SCAN_OPT_ACTIVE 0 -#define WL1271_SCAN_OPT_PASSIVE 1 -#define WL1271_SCAN_OPT_PRIORITY_HIGH 4 -#define WL1271_SCAN_CHAN_MIN_DURATION 30000 /* TU */ -#define WL1271_SCAN_CHAN_MAX_DURATION 60000 /* TU */ -#define WL1271_SCAN_BAND_2_4_GHZ 0 -#define WL1271_SCAN_BAND_5_GHZ 1 -#define WL1271_SCAN_BAND_DUAL 2 - -struct basic_scan_params { - __le32 rx_config_options; - __le32 rx_filter_options; - /* Scan option flags (WL1271_SCAN_OPT_*) */ - __le16 scan_options; - /* Number of scan channels in the list (maximum 30) */ - u8 num_channels; - /* This field indicates the number of probe requests to send - per channel for an active scan */ - u8 num_probe_requests; - /* Rate bit field for sending the probes */ - __le32 tx_rate; - u8 tid_trigger; - u8 ssid_len; - /* in order to align */ - u8 padding1[2]; - u8 ssid[IW_ESSID_MAX_SIZE]; - /* Band to scan */ - u8 band; - u8 use_ssid_list; - u8 scan_tag; - u8 padding2; -} __attribute__ ((packed)); - -struct basic_scan_channel_params { - /* Duration in TU to wait for frames on a channel for active scan */ - __le32 min_duration; - __le32 max_duration; - __le32 bssid_lsb; - __le16 bssid_msb; - u8 early_termination; - u8 tx_power_att; - u8 channel; - /* FW internal use only! */ - u8 dfs_candidate; - u8 activity_detected; - u8 pad; -} __attribute__ ((packed)); - -struct wl1271_cmd_scan { - struct wl1271_cmd_header header; - - struct basic_scan_params params; - struct basic_scan_channel_params channels[WL1271_SCAN_MAX_CHANNELS]; -} __attribute__ ((packed)); - -struct wl1271_cmd_trigger_scan_to { - struct wl1271_cmd_header header; - - __le32 timeout; -} __attribute__ ((packed)); - struct wl1271_cmd_test_header { u8 id; u8 padding[3]; @@ -439,24 +371,30 @@ struct wl1271_general_parms_cmd { struct wl1271_cmd_test_header test; - u8 params[WL1271_NVS_GENERAL_PARAMS_SIZE]; - s8 reserved[23]; -} __attribute__ ((packed)); + struct wl1271_ini_general_params general_params; -#define WL1271_STAT_RADIO_PARAMS_5_SIZE 29 -#define WL1271_DYN_RADIO_PARAMS_5_SIZE 104 + u8 sr_debug_table[WL1271_INI_MAX_SMART_REFLEX_PARAM]; + u8 sr_sen_n_p; + u8 sr_sen_n_p_gain; + u8 sr_sen_nrn; + u8 sr_sen_prn; + u8 padding[3]; +} __attribute__ ((packed)); struct wl1271_radio_parms_cmd { struct wl1271_cmd_header header; struct wl1271_cmd_test_header test; - u8 stat_radio_params[WL1271_NVS_STAT_RADIO_PARAMS_SIZE]; - u8 stat_radio_params_5[WL1271_STAT_RADIO_PARAMS_5_SIZE]; + /* Static radio parameters */ + struct wl1271_ini_band_params_2 static_params_2; + struct wl1271_ini_band_params_5 static_params_5; - u8 dyn_radio_params[WL1271_NVS_DYN_RADIO_PARAMS_SIZE]; - u8 reserved; - u8 dyn_radio_params_5[WL1271_DYN_RADIO_PARAMS_5_SIZE]; + /* Dynamic radio parameters */ + struct wl1271_ini_fem_params_2 dyn_params_2; + u8 padding2; + struct wl1271_ini_fem_params_5 dyn_params_5; + u8 padding3[2]; } __attribute__ ((packed)); struct wl1271_cmd_cal_channel_tune { diff --git a/drivers/net/wireless/wl12xx/wl1271_conf.h b/drivers/net/wireless/wl12xx/wl1271_conf.h index d046d044b5b..0435ffda8f7 100644 --- a/drivers/net/wireless/wl12xx/wl1271_conf.h +++ b/drivers/net/wireless/wl12xx/wl1271_conf.h @@ -874,6 +874,13 @@ struct conf_conn_settings { u8 ps_poll_threshold; /* + * PS Poll failure recovery ACTIVE period length + * + * Range: u32 (ms) + */ + u32 ps_poll_recovery_period; + + /* * Configuration of signal average weights. */ struct conf_sig_weights sig_weights; @@ -948,14 +955,6 @@ struct conf_radio_parms { u8 fem; }; -struct conf_init_settings { - /* - * Configure radio parameters. - */ - struct conf_radio_parms radioparam; - -}; - struct conf_itrim_settings { /* enable dco itrim */ u8 enable; @@ -1022,7 +1021,6 @@ struct conf_drv_settings { struct conf_rx_settings rx; struct conf_tx_settings tx; struct conf_conn_settings conn; - struct conf_init_settings init; struct conf_itrim_settings itrim; struct conf_pm_config_settings pm_config; struct conf_roam_trigger_settings roam_trigger; diff --git a/drivers/net/wireless/wl12xx/wl1271_event.c b/drivers/net/wireless/wl12xx/wl1271_event.c index cf37aa6eb13..25ce2cd5e3f 100644 --- a/drivers/net/wireless/wl12xx/wl1271_event.c +++ b/drivers/net/wireless/wl12xx/wl1271_event.c @@ -26,36 +26,64 @@ #include "wl1271_io.h" #include "wl1271_event.h" #include "wl1271_ps.h" +#include "wl1271_scan.h" #include "wl12xx_80211.h" -static int wl1271_event_scan_complete(struct wl1271 *wl, - struct event_mailbox *mbox) +void wl1271_pspoll_work(struct work_struct *work) { - wl1271_debug(DEBUG_EVENT, "status: 0x%x", - mbox->scheduled_scan_status); - - if (test_bit(WL1271_FLAG_SCANNING, &wl->flags)) { - if (wl->scan.state == WL1271_SCAN_BAND_DUAL) { - /* 2.4 GHz band scanned, scan 5 GHz band, pretend - * to the wl1271_cmd_scan function that we are not - * scanning as it checks that. - */ - clear_bit(WL1271_FLAG_SCANNING, &wl->flags); - /* FIXME: ie missing! */ - wl1271_cmd_scan(wl, wl->scan.ssid, wl->scan.ssid_len, - NULL, 0, - wl->scan.active, - wl->scan.high_prio, - WL1271_SCAN_BAND_5_GHZ, - wl->scan.probe_requests); - } else { - mutex_unlock(&wl->mutex); - ieee80211_scan_completed(wl->hw, false); - mutex_lock(&wl->mutex); - clear_bit(WL1271_FLAG_SCANNING, &wl->flags); - } + struct delayed_work *dwork; + struct wl1271 *wl; + + dwork = container_of(work, struct delayed_work, work); + wl = container_of(dwork, struct wl1271, pspoll_work); + + wl1271_debug(DEBUG_EVENT, "pspoll work"); + + mutex_lock(&wl->mutex); + + if (!test_and_clear_bit(WL1271_FLAG_PSPOLL_FAILURE, &wl->flags)) + goto out; + + if (!test_bit(WL1271_FLAG_STA_ASSOCIATED, &wl->flags)) + goto out; + + /* + * if we end up here, then we were in powersave when the pspoll + * delivery failure occurred, and no-one changed state since, so + * we should go back to powersave. + */ + wl1271_ps_set_mode(wl, STATION_POWER_SAVE_MODE, true); + +out: + mutex_unlock(&wl->mutex); +}; + +static void wl1271_event_pspoll_delivery_fail(struct wl1271 *wl) +{ + int delay = wl->conf.conn.ps_poll_recovery_period; + int ret; + + wl->ps_poll_failures++; + if (wl->ps_poll_failures == 1) + wl1271_info("AP with dysfunctional ps-poll, " + "trying to work around it."); + + /* force active mode receive data from the AP */ + if (test_bit(WL1271_FLAG_PSM, &wl->flags)) { + ret = wl1271_ps_set_mode(wl, STATION_ACTIVE_MODE, true); + if (ret < 0) + return; + set_bit(WL1271_FLAG_PSPOLL_FAILURE, &wl->flags); + ieee80211_queue_delayed_work(wl->hw, &wl->pspoll_work, + msecs_to_jiffies(delay)); } - return 0; + + /* + * If already in active mode, lets we should be getting data from + * the AP right away. If we enter PSM too fast after this, and data + * remains on the AP, we will get another event like this, and we'll + * go into active once more. + */ } static int wl1271_event_ps_report(struct wl1271 *wl, @@ -163,9 +191,19 @@ static int wl1271_event_process(struct wl1271 *wl, struct event_mailbox *mbox) wl1271_debug(DEBUG_EVENT, "vector: 0x%x", vector); if (vector & SCAN_COMPLETE_EVENT_ID) { - ret = wl1271_event_scan_complete(wl, mbox); - if (ret < 0) - return ret; + wl1271_debug(DEBUG_EVENT, "status: 0x%x", + mbox->scheduled_scan_status); + + wl1271_scan_stm(wl); + } + + /* disable dynamic PS when requested by the firmware */ + if (vector & SOFT_GEMINI_SENSE_EVENT_ID && + wl->bss_type == BSS_TYPE_STA_BSS) { + if (mbox->soft_gemini_sense_info) + ieee80211_disable_dyn_ps(wl->vif); + else + ieee80211_enable_dyn_ps(wl->vif); } /* @@ -191,6 +229,9 @@ static int wl1271_event_process(struct wl1271 *wl, struct event_mailbox *mbox) return ret; } + if (vector & PSPOLL_DELIVERY_FAILURE_EVENT_ID) + wl1271_event_pspoll_delivery_fail(wl); + if (vector & RSSI_SNR_TRIGGER_0_EVENT_ID) { wl1271_debug(DEBUG_EVENT, "RSSI_SNR_TRIGGER_0_EVENT"); if (wl->vif) diff --git a/drivers/net/wireless/wl12xx/wl1271_event.h b/drivers/net/wireless/wl12xx/wl1271_event.h index 58371008f27..9fb5a940b1a 100644 --- a/drivers/net/wireless/wl12xx/wl1271_event.h +++ b/drivers/net/wireless/wl12xx/wl1271_event.h @@ -121,5 +121,6 @@ struct event_mailbox { int wl1271_event_unmask(struct wl1271 *wl); void wl1271_event_mbox_config(struct wl1271 *wl); int wl1271_event_handle(struct wl1271 *wl, u8 mbox); +void wl1271_pspoll_work(struct work_struct *work); #endif diff --git a/drivers/net/wireless/wl12xx/wl1271_ini.h b/drivers/net/wireless/wl12xx/wl1271_ini.h new file mode 100644 index 00000000000..0fb156a5af1 --- /dev/null +++ b/drivers/net/wireless/wl12xx/wl1271_ini.h @@ -0,0 +1,123 @@ +/* + * This file is part of wl1271 + * + * Copyright (C) 2010 Nokia Corporation + * + * Contact: Luciano Coelho <luciano.coelho@nokia.com> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * version 2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + * + */ + +#ifndef __WL1271_INI_H__ +#define __WL1271_INI_H__ + +#define WL1271_INI_MAX_SMART_REFLEX_PARAM 16 + +struct wl1271_ini_general_params { + u8 ref_clock; + u8 settling_time; + u8 clk_valid_on_wakeup; + u8 dc2dc_mode; + u8 dual_mode_select; + u8 tx_bip_fem_auto_detect; + u8 tx_bip_fem_manufacturer; + u8 general_settings; + u8 sr_state; + u8 srf1[WL1271_INI_MAX_SMART_REFLEX_PARAM]; + u8 srf2[WL1271_INI_MAX_SMART_REFLEX_PARAM]; + u8 srf3[WL1271_INI_MAX_SMART_REFLEX_PARAM]; +} __attribute__ ((packed)); + +#define WL1271_INI_RSSI_PROCESS_COMPENS_SIZE 15 + +struct wl1271_ini_band_params_2 { + u8 rx_trace_insertion_loss; + u8 tx_trace_loss; + u8 rx_rssi_process_compens[WL1271_INI_RSSI_PROCESS_COMPENS_SIZE]; +} __attribute__ ((packed)); + +#define WL1271_INI_RATE_GROUP_COUNT 6 +#define WL1271_INI_CHANNEL_COUNT_2 14 + +struct wl1271_ini_fem_params_2 { + __le16 tx_bip_ref_pd_voltage; + u8 tx_bip_ref_power; + u8 tx_bip_ref_offset; + u8 tx_per_rate_pwr_limits_normal[WL1271_INI_RATE_GROUP_COUNT]; + u8 tx_per_rate_pwr_limits_degraded[WL1271_INI_RATE_GROUP_COUNT]; + u8 tx_per_rate_pwr_limits_extreme[WL1271_INI_RATE_GROUP_COUNT]; + u8 tx_per_chan_pwr_limits_11b[WL1271_INI_CHANNEL_COUNT_2]; + u8 tx_per_chan_pwr_limits_ofdm[WL1271_INI_CHANNEL_COUNT_2]; + u8 tx_pd_vs_rate_offsets[WL1271_INI_RATE_GROUP_COUNT]; + u8 tx_ibias[WL1271_INI_RATE_GROUP_COUNT]; + u8 rx_fem_insertion_loss; + u8 degraded_low_to_normal_thr; + u8 normal_to_degraded_high_thr; +} __attribute__ ((packed)); + +#define WL1271_INI_CHANNEL_COUNT_5 35 +#define WL1271_INI_SUB_BAND_COUNT_5 7 + +struct wl1271_ini_band_params_5 { + u8 rx_trace_insertion_loss[WL1271_INI_SUB_BAND_COUNT_5]; + u8 tx_trace_loss[WL1271_INI_SUB_BAND_COUNT_5]; + u8 rx_rssi_process_compens[WL1271_INI_RSSI_PROCESS_COMPENS_SIZE]; +} __attribute__ ((packed)); + +struct wl1271_ini_fem_params_5 { + __le16 tx_bip_ref_pd_voltage[WL1271_INI_SUB_BAND_COUNT_5]; + u8 tx_bip_ref_power[WL1271_INI_SUB_BAND_COUNT_5]; + u8 tx_bip_ref_offset[WL1271_INI_SUB_BAND_COUNT_5]; + u8 tx_per_rate_pwr_limits_normal[WL1271_INI_RATE_GROUP_COUNT]; + u8 tx_per_rate_pwr_limits_degraded[WL1271_INI_RATE_GROUP_COUNT]; + u8 tx_per_rate_pwr_limits_extreme[WL1271_INI_RATE_GROUP_COUNT]; + u8 tx_per_chan_pwr_limits_ofdm[WL1271_INI_CHANNEL_COUNT_5]; + u8 tx_pd_vs_rate_offsets[WL1271_INI_RATE_GROUP_COUNT]; + u8 tx_ibias[WL1271_INI_RATE_GROUP_COUNT]; + u8 rx_fem_insertion_loss[WL1271_INI_SUB_BAND_COUNT_5]; + u8 degraded_low_to_normal_thr; + u8 normal_to_degraded_high_thr; +} __attribute__ ((packed)); + + +/* NVS data structure */ +#define WL1271_INI_NVS_SECTION_SIZE 468 +#define WL1271_INI_FEM_MODULE_COUNT 2 + +#define WL1271_INI_LEGACY_NVS_FILE_SIZE 800 + +struct wl1271_nvs_file { + /* NVS section */ + u8 nvs[WL1271_INI_NVS_SECTION_SIZE]; + + /* INI section */ + struct wl1271_ini_general_params general_params; + u8 padding1; + struct wl1271_ini_band_params_2 stat_radio_params_2; + u8 padding2; + struct { + struct wl1271_ini_fem_params_2 params; + u8 padding; + } dyn_radio_params_2[WL1271_INI_FEM_MODULE_COUNT]; + struct wl1271_ini_band_params_5 stat_radio_params_5; + u8 padding3; + struct { + struct wl1271_ini_fem_params_5 params; + u8 padding; + } dyn_radio_params_5[WL1271_INI_FEM_MODULE_COUNT]; +} __attribute__ ((packed)); + +#endif diff --git a/drivers/net/wireless/wl12xx/wl1271_main.c b/drivers/net/wireless/wl12xx/wl1271_main.c index b7d9137851a..d30de58cef9 100644 --- a/drivers/net/wireless/wl12xx/wl1271_main.c +++ b/drivers/net/wireless/wl12xx/wl1271_main.c @@ -28,7 +28,6 @@ #include <linux/crc32.h> #include <linux/etherdevice.h> #include <linux/vmalloc.h> -#include <linux/inetdevice.h> #include <linux/platform_device.h> #include <linux/slab.h> @@ -45,6 +44,7 @@ #include "wl1271_cmd.h" #include "wl1271_boot.h" #include "wl1271_testmode.h" +#include "wl1271_scan.h" #define WL1271_BOOT_RETRIES 3 @@ -55,7 +55,7 @@ static struct conf_drv_settings default_conf = { [CONF_SG_HV3_MAX_OVERRIDE] = 0, [CONF_SG_BT_NFS_SAMPLE_INTERVAL] = 400, [CONF_SG_BT_LOAD_RATIO] = 50, - [CONF_SG_AUTO_PS_MODE] = 0, + [CONF_SG_AUTO_PS_MODE] = 1, [CONF_SG_AUTO_SCAN_PROBE_REQ] = 170, [CONF_SG_ACTIVE_SCAN_DURATION_FACTOR_HV3] = 50, [CONF_SG_ANTENNA_CONFIGURATION] = 0, @@ -234,18 +234,14 @@ static struct conf_drv_settings default_conf = { .beacon_rx_timeout = 10000, .broadcast_timeout = 20000, .rx_broadcast_in_ps = 1, - .ps_poll_threshold = 20, + .ps_poll_threshold = 10, + .ps_poll_recovery_period = 700, .bet_enable = CONF_BET_MODE_ENABLE, .bet_max_consecutive = 10, .psm_entry_retries = 3, .keep_alive_interval = 55000, .max_listen_interval = 20, }, - .init = { - .radioparam = { - .fem = 1, - } - }, .itrim = { .enable = false, .timeout = 50000, @@ -566,14 +562,21 @@ static int wl1271_fetch_nvs(struct wl1271 *wl) return ret; } - if (fw->size != sizeof(struct wl1271_nvs_file)) { + /* + * FIXME: the LEGACY NVS image support (NVS's missing the 5GHz band + * configurations) can be removed when those NVS files stop floating + * around. + */ + if (fw->size != sizeof(struct wl1271_nvs_file) && + (fw->size != WL1271_INI_LEGACY_NVS_FILE_SIZE || + wl1271_11a_enabled())) { wl1271_error("nvs size is not as expected: %zu != %zu", fw->size, sizeof(struct wl1271_nvs_file)); ret = -EILSEQ; goto out; } - wl->nvs = kmalloc(sizeof(struct wl1271_nvs_file), GFP_KERNEL); + wl->nvs = kzalloc(sizeof(struct wl1271_nvs_file), GFP_KERNEL); if (!wl->nvs) { wl1271_error("could not allocate memory for the nvs file"); @@ -581,7 +584,7 @@ static int wl1271_fetch_nvs(struct wl1271 *wl) goto out; } - memcpy(wl->nvs, fw->data, sizeof(struct wl1271_nvs_file)); + memcpy(wl->nvs, fw->data, fw->size); out: release_firmware(fw); @@ -811,93 +814,6 @@ static int wl1271_op_tx(struct ieee80211_hw *hw, struct sk_buff *skb) return NETDEV_TX_OK; } -static int wl1271_dev_notify(struct notifier_block *me, unsigned long what, - void *arg) -{ - struct net_device *dev; - struct wireless_dev *wdev; - struct wiphy *wiphy; - struct ieee80211_hw *hw; - struct wl1271 *wl; - struct wl1271 *wl_temp; - struct in_device *idev; - struct in_ifaddr *ifa = arg; - int ret = 0; - - /* FIXME: this ugly function should probably be implemented in the - * mac80211, and here should only be a simple callback handling actual - * setting of the filters. Now we need to dig up references to - * various structures to gain access to what we need. - * Also, because of this, there is no "initial" setting of the filter - * in "op_start", because we don't want to dig up struct net_device - * there - the filter will be set upon first change of the interface - * IP address. */ - - dev = ifa->ifa_dev->dev; - - wdev = dev->ieee80211_ptr; - if (wdev == NULL) - return NOTIFY_DONE; - - wiphy = wdev->wiphy; - if (wiphy == NULL) - return NOTIFY_DONE; - - hw = wiphy_priv(wiphy); - if (hw == NULL) - return NOTIFY_DONE; - - /* Check that the interface is one supported by this driver. */ - wl_temp = hw->priv; - list_for_each_entry(wl, &wl_list, list) { - if (wl == wl_temp) - break; - } - if (wl != wl_temp) - return NOTIFY_DONE; - - /* Get the interface IP address for the device. "ifa" will become - NULL if: - - there is no IPV4 protocol address configured - - there are multiple (virtual) IPV4 addresses configured - When "ifa" is NULL, filtering will be disabled. - */ - ifa = NULL; - idev = dev->ip_ptr; - if (idev) - ifa = idev->ifa_list; - - if (ifa && ifa->ifa_next) - ifa = NULL; - - mutex_lock(&wl->mutex); - - if (wl->state == WL1271_STATE_OFF) - goto out; - - ret = wl1271_ps_elp_wakeup(wl, false); - if (ret < 0) - goto out; - if (ifa) - ret = wl1271_acx_arp_ip_filter(wl, true, - (u8 *)&ifa->ifa_address, - ACX_IPV4_VERSION); - else - ret = wl1271_acx_arp_ip_filter(wl, false, NULL, - ACX_IPV4_VERSION); - wl1271_ps_elp_sleep(wl); - -out: - mutex_unlock(&wl->mutex); - - return NOTIFY_OK; -} - -static struct notifier_block wl1271_dev_notifier = { - .notifier_call = wl1271_dev_notify, -}; - - static int wl1271_op_start(struct ieee80211_hw *hw) { wl1271_debug(DEBUG_MAC80211, "mac80211 start"); @@ -1001,10 +917,8 @@ power_off: out: mutex_unlock(&wl->mutex); - if (!ret) { + if (!ret) list_add(&wl->list, &wl_list); - register_inetaddr_notifier(&wl1271_dev_notifier); - } return ret; } @@ -1015,8 +929,6 @@ static void wl1271_op_remove_interface(struct ieee80211_hw *hw, struct wl1271 *wl = hw->priv; int i; - unregister_inetaddr_notifier(&wl1271_dev_notifier); - mutex_lock(&wl->mutex); wl1271_debug(DEBUG_MAC80211, "mac80211 remove interface"); @@ -1026,10 +938,17 @@ static void wl1271_op_remove_interface(struct ieee80211_hw *hw, WARN_ON(wl->state != WL1271_STATE_ON); - if (test_and_clear_bit(WL1271_FLAG_SCANNING, &wl->flags)) { + /* enable dyn ps just in case (if left on due to fw crash etc) */ + if (wl->bss_type == BSS_TYPE_STA_BSS) + ieee80211_enable_dyn_ps(wl->vif); + + if (wl->scan.state != WL1271_SCAN_STATE_IDLE) { mutex_unlock(&wl->mutex); ieee80211_scan_completed(wl->hw, true); mutex_lock(&wl->mutex); + wl->scan.state = WL1271_SCAN_STATE_IDLE; + kfree(wl->scan.scanned_ch); + wl->scan.scanned_ch = NULL; } wl->state = WL1271_STATE_OFF; @@ -1040,11 +959,12 @@ static void wl1271_op_remove_interface(struct ieee80211_hw *hw, cancel_work_sync(&wl->irq_work); cancel_work_sync(&wl->tx_work); + cancel_delayed_work_sync(&wl->pspoll_work); mutex_lock(&wl->mutex); /* let's notify MAC80211 about the remaining pending TX frames */ - wl1271_tx_flush(wl); + wl1271_tx_reset(wl); wl1271_power_off(wl); memset(wl->bssid, 0, ETH_ALEN); @@ -1241,6 +1161,42 @@ static u32 wl1271_min_rate_get(struct wl1271 *wl) return rate; } +static int wl1271_handle_idle(struct wl1271 *wl, bool idle) +{ + int ret; + + if (idle) { + if (test_bit(WL1271_FLAG_JOINED, &wl->flags)) { + ret = wl1271_unjoin(wl); + if (ret < 0) + goto out; + } + wl->rate_set = wl1271_min_rate_get(wl); + wl->sta_rate_set = 0; + ret = wl1271_acx_rate_policies(wl); + if (ret < 0) + goto out; + ret = wl1271_acx_keep_alive_config( + wl, CMD_TEMPL_KLV_IDX_NULL_DATA, + ACX_KEEP_ALIVE_TPL_INVALID); + if (ret < 0) + goto out; + set_bit(WL1271_FLAG_IDLE, &wl->flags); + } else { + /* increment the session counter */ + wl->session_counter++; + if (wl->session_counter >= SESSION_COUNTER_MAX) + wl->session_counter = 0; + ret = wl1271_dummy_join(wl); + if (ret < 0) + goto out; + clear_bit(WL1271_FLAG_IDLE, &wl->flags); + } + +out: + return ret; +} + static int wl1271_op_config(struct ieee80211_hw *hw, u32 changed) { struct wl1271 *wl = hw->priv; @@ -1255,6 +1211,15 @@ static int wl1271_op_config(struct ieee80211_hw *hw, u32 changed) conf->power_level, conf->flags & IEEE80211_CONF_IDLE ? "idle" : "in use"); + /* + * mac80211 will go to idle nearly immediately after transmitting some + * frames, such as the deauth. To make sure those frames reach the air, + * wait here until the TX queue is fully flushed. + */ + if ((changed & IEEE80211_CONF_CHANGE_IDLE) && + (conf->flags & IEEE80211_CONF_IDLE)) + wl1271_tx_flush(wl); + mutex_lock(&wl->mutex); if (unlikely(wl->state == WL1271_STATE_OFF)) @@ -1295,24 +1260,18 @@ static int wl1271_op_config(struct ieee80211_hw *hw, u32 changed) } if (changed & IEEE80211_CONF_CHANGE_IDLE) { - if (conf->flags & IEEE80211_CONF_IDLE && - test_bit(WL1271_FLAG_JOINED, &wl->flags)) - wl1271_unjoin(wl); - else if (!(conf->flags & IEEE80211_CONF_IDLE)) - wl1271_dummy_join(wl); - - if (conf->flags & IEEE80211_CONF_IDLE) { - wl->rate_set = wl1271_min_rate_get(wl); - wl->sta_rate_set = 0; - wl1271_acx_rate_policies(wl); - wl1271_acx_keep_alive_config( - wl, CMD_TEMPL_KLV_IDX_NULL_DATA, - ACX_KEEP_ALIVE_TPL_INVALID); - set_bit(WL1271_FLAG_IDLE, &wl->flags); - } else - clear_bit(WL1271_FLAG_IDLE, &wl->flags); + ret = wl1271_handle_idle(wl, conf->flags & IEEE80211_CONF_IDLE); + if (ret < 0) + wl1271_warning("idle mode change failed %d", ret); } + /* + * if mac80211 changes the PSM mode, make sure the mode is not + * incorrectly changed after the pspoll failure active window. + */ + if (changed & IEEE80211_CONF_CHANGE_PS) + clear_bit(WL1271_FLAG_PSPOLL_FAILURE, &wl->flags); + if (conf->flags & IEEE80211_CONF_PS && !test_bit(WL1271_FLAG_PSM_REQUESTED, &wl->flags)) { set_bit(WL1271_FLAG_PSM_REQUESTED, &wl->flags); @@ -1595,13 +1554,9 @@ static int wl1271_op_hw_scan(struct ieee80211_hw *hw, goto out; if (wl1271_11a_enabled()) - ret = wl1271_cmd_scan(hw->priv, ssid, len, - req->ie, req->ie_len, 1, 0, - WL1271_SCAN_BAND_DUAL, 3); + ret = wl1271_scan(hw->priv, ssid, len, req); else - ret = wl1271_cmd_scan(hw->priv, ssid, len, - req->ie, req->ie_len, 1, 0, - WL1271_SCAN_BAND_2_4_GHZ, 3); + ret = wl1271_scan(hw->priv, ssid, len, req); wl1271_ps_elp_sleep(wl); @@ -1774,6 +1729,8 @@ static void wl1271_op_bss_info_changed(struct ieee80211_hw *hw, wl->aid = bss_conf->aid; set_assoc = true; + wl->ps_poll_failures = 0; + /* * use basic rates from AP, and determine lowest rate * to use with control frames. @@ -1823,6 +1780,9 @@ static void wl1271_op_bss_info_changed(struct ieee80211_hw *hw, clear_bit(WL1271_FLAG_STA_ASSOCIATED, &wl->flags); wl->aid = 0; + /* re-enable dynamic ps - just in case */ + ieee80211_enable_dyn_ps(wl->vif); + /* revert back to minimum rates for the current band */ wl1271_set_band_rate(wl); wl->basic_rate = wl1271_min_rate_get(wl); @@ -1871,6 +1831,19 @@ static void wl1271_op_bss_info_changed(struct ieee80211_hw *hw, } } + if (changed & BSS_CHANGED_ARP_FILTER) { + __be32 addr = bss_conf->arp_addr_list[0]; + WARN_ON(wl->bss_type != BSS_TYPE_STA_BSS); + + if (bss_conf->arp_addr_cnt == 1 && bss_conf->arp_filter_enabled) + ret = wl1271_acx_arp_ip_filter(wl, true, addr); + else + ret = wl1271_acx_arp_ip_filter(wl, false, addr); + + if (ret < 0) + goto out_sleep; + } + if (do_join) { ret = wl1271_join(wl, set_assoc); if (ret < 0) { @@ -1929,6 +1902,32 @@ out: return ret; } +static u64 wl1271_op_get_tsf(struct ieee80211_hw *hw) +{ + + struct wl1271 *wl = hw->priv; + u64 mactime = ULLONG_MAX; + int ret; + + wl1271_debug(DEBUG_MAC80211, "mac80211 get tsf"); + + mutex_lock(&wl->mutex); + + ret = wl1271_ps_elp_wakeup(wl, false); + if (ret < 0) + goto out; + + ret = wl1271_acx_tsf_info(wl, &mactime); + if (ret < 0) + goto out_sleep; + +out_sleep: + wl1271_ps_elp_sleep(wl); + +out: + mutex_unlock(&wl->mutex); + return mactime; +} /* can't be const, mac80211 writes to this */ static struct ieee80211_rate wl1271_rates[] = { @@ -1991,7 +1990,7 @@ static struct ieee80211_channel wl1271_channels[] = { }; /* mapping to indexes for wl1271_rates */ -const static u8 wl1271_rate_to_idx_2ghz[] = { +static const u8 wl1271_rate_to_idx_2ghz[] = { /* MCS rates are used only with 11n */ CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_MCS7 */ CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_MCS6 */ @@ -2103,7 +2102,7 @@ static struct ieee80211_channel wl1271_channels_5ghz[] = { }; /* mapping to indexes for wl1271_rates_5ghz */ -const static u8 wl1271_rate_to_idx_5ghz[] = { +static const u8 wl1271_rate_to_idx_5ghz[] = { /* MCS rates are used only with 11n */ CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_MCS7 */ CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_MCS6 */ @@ -2139,7 +2138,7 @@ static struct ieee80211_supported_band wl1271_band_5ghz = { .n_bitrates = ARRAY_SIZE(wl1271_rates_5ghz), }; -const static u8 *wl1271_band_rate_to_idx[] = { +static const u8 *wl1271_band_rate_to_idx[] = { [IEEE80211_BAND_2GHZ] = wl1271_rate_to_idx_2ghz, [IEEE80211_BAND_5GHZ] = wl1271_rate_to_idx_5ghz }; @@ -2158,6 +2157,7 @@ static const struct ieee80211_ops wl1271_ops = { .bss_info_changed = wl1271_op_bss_info_changed, .set_rts_threshold = wl1271_op_set_rts_threshold, .conf_tx = wl1271_op_conf_tx, + .get_tsf = wl1271_op_get_tsf, CFG80211_TESTMODE_CMD(wl1271_tm_cmd) }; @@ -2370,6 +2370,7 @@ struct ieee80211_hw *wl1271_alloc_hw(void) skb_queue_head_init(&wl->tx_queue); INIT_DELAYED_WORK(&wl->elp_work, wl1271_elp_work); + INIT_DELAYED_WORK(&wl->pspoll_work, wl1271_pspoll_work); wl->channel = WL1271_DEFAULT_CHANNEL; wl->beacon_int = WL1271_DEFAULT_BEACON_INT; wl->default_key = 0; diff --git a/drivers/net/wireless/wl12xx/wl1271_rx.c b/drivers/net/wireless/wl12xx/wl1271_rx.c index b98fb643fab..e98f22b3c3b 100644 --- a/drivers/net/wireless/wl12xx/wl1271_rx.c +++ b/drivers/net/wireless/wl12xx/wl1271_rx.c @@ -53,12 +53,6 @@ static void wl1271_rx_status(struct wl1271 *wl, status->band = wl->band; status->rate_idx = wl1271_rate_to_idx(wl, desc->rate); - /* - * FIXME: Add mactime handling. For IBSS (ad-hoc) we need to get the - * timestamp from the beacon (acx_tsf_info). In BSS mode (infra) we - * only need the mactime for monitor mode. For now the mactime is - * not valid, so RX_FLAG_TSFT should not be set - */ status->signal = desc->rssi; status->freq = ieee80211_channel_to_frequency(desc->channel); diff --git a/drivers/net/wireless/wl12xx/wl1271_scan.c b/drivers/net/wireless/wl12xx/wl1271_scan.c new file mode 100644 index 00000000000..fec43eed8c5 --- /dev/null +++ b/drivers/net/wireless/wl12xx/wl1271_scan.c @@ -0,0 +1,257 @@ +/* + * This file is part of wl1271 + * + * Copyright (C) 2009-2010 Nokia Corporation + * + * Contact: Luciano Coelho <luciano.coelho@nokia.com> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * version 2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + * + */ + +#include <linux/ieee80211.h> + +#include "wl1271.h" +#include "wl1271_cmd.h" +#include "wl1271_scan.h" +#include "wl1271_acx.h" + +static int wl1271_get_scan_channels(struct wl1271 *wl, + struct cfg80211_scan_request *req, + struct basic_scan_channel_params *channels, + enum ieee80211_band band, bool passive) +{ + int i, j; + u32 flags; + + for (i = 0, j = 0; + i < req->n_channels && j < WL1271_SCAN_MAX_CHANNELS; + i++) { + + flags = req->channels[i]->flags; + + if (!wl->scan.scanned_ch[i] && + !(flags & IEEE80211_CHAN_DISABLED) && + ((!!(flags & IEEE80211_CHAN_PASSIVE_SCAN)) == passive) && + (req->channels[i]->band == band)) { + + wl1271_debug(DEBUG_SCAN, "band %d, center_freq %d ", + req->channels[i]->band, + req->channels[i]->center_freq); + wl1271_debug(DEBUG_SCAN, "hw_value %d, flags %X", + req->channels[i]->hw_value, + req->channels[i]->flags); + wl1271_debug(DEBUG_SCAN, + "max_antenna_gain %d, max_power %d", + req->channels[i]->max_antenna_gain, + req->channels[i]->max_power); + wl1271_debug(DEBUG_SCAN, "beacon_found %d", + req->channels[i]->beacon_found); + + channels[j].min_duration = + cpu_to_le32(WL1271_SCAN_CHAN_MIN_DURATION); + channels[j].max_duration = + cpu_to_le32(WL1271_SCAN_CHAN_MAX_DURATION); + channels[j].early_termination = 0; + channels[j].tx_power_att = req->channels[i]->max_power; + channels[j].channel = req->channels[i]->hw_value; + + memset(&channels[j].bssid_lsb, 0xff, 4); + memset(&channels[j].bssid_msb, 0xff, 2); + + /* Mark the channels we already used */ + wl->scan.scanned_ch[i] = true; + + j++; + } + } + + return j; +} + +#define WL1271_NOTHING_TO_SCAN 1 + +static int wl1271_scan_send(struct wl1271 *wl, enum ieee80211_band band, + bool passive, u32 basic_rate) +{ + struct wl1271_cmd_scan *cmd; + struct wl1271_cmd_trigger_scan_to *trigger; + int ret; + u16 scan_options = 0; + + cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); + trigger = kzalloc(sizeof(*trigger), GFP_KERNEL); + if (!cmd || !trigger) { + ret = -ENOMEM; + goto out; + } + + /* We always use high priority scans */ + scan_options = WL1271_SCAN_OPT_PRIORITY_HIGH; + if(passive) + scan_options |= WL1271_SCAN_OPT_PASSIVE; + cmd->params.scan_options = cpu_to_le16(scan_options); + + cmd->params.n_ch = wl1271_get_scan_channels(wl, wl->scan.req, + cmd->channels, + band, passive); + if (cmd->params.n_ch == 0) { + ret = WL1271_NOTHING_TO_SCAN; + goto out; + } + + cmd->params.tx_rate = cpu_to_le32(basic_rate); + cmd->params.rx_config_options = cpu_to_le32(CFG_RX_ALL_GOOD); + cmd->params.rx_filter_options = + cpu_to_le32(CFG_RX_PRSP_EN | CFG_RX_MGMT_EN | CFG_RX_BCN_EN); + + cmd->params.n_probe_reqs = WL1271_SCAN_PROBE_REQS; + cmd->params.tx_rate = cpu_to_le32(basic_rate); + cmd->params.tid_trigger = 0; + cmd->params.scan_tag = WL1271_SCAN_DEFAULT_TAG; + + if (band == IEEE80211_BAND_2GHZ) + cmd->params.band = WL1271_SCAN_BAND_2_4_GHZ; + else + cmd->params.band = WL1271_SCAN_BAND_5_GHZ; + + if (wl->scan.ssid_len && wl->scan.ssid) { + cmd->params.ssid_len = wl->scan.ssid_len; + memcpy(cmd->params.ssid, wl->scan.ssid, wl->scan.ssid_len); + } + + ret = wl1271_cmd_build_probe_req(wl, wl->scan.ssid, wl->scan.ssid_len, + wl->scan.req->ie, wl->scan.req->ie_len, + band); + if (ret < 0) { + wl1271_error("PROBE request template failed"); + goto out; + } + + /* disable the timeout */ + trigger->timeout = 0; + ret = wl1271_cmd_send(wl, CMD_TRIGGER_SCAN_TO, trigger, + sizeof(*trigger), 0); + if (ret < 0) { + wl1271_error("trigger scan to failed for hw scan"); + goto out; + } + + wl1271_dump(DEBUG_SCAN, "SCAN: ", cmd, sizeof(*cmd)); + + ret = wl1271_cmd_send(wl, CMD_SCAN, cmd, sizeof(*cmd), 0); + if (ret < 0) { + wl1271_error("SCAN failed"); + goto out; + } + +out: + kfree(cmd); + kfree(trigger); + return ret; +} + +void wl1271_scan_stm(struct wl1271 *wl) +{ + int ret; + + switch (wl->scan.state) { + case WL1271_SCAN_STATE_IDLE: + break; + + case WL1271_SCAN_STATE_2GHZ_ACTIVE: + ret = wl1271_scan_send(wl, IEEE80211_BAND_2GHZ, false, + wl->conf.tx.basic_rate); + if (ret == WL1271_NOTHING_TO_SCAN) { + wl->scan.state = WL1271_SCAN_STATE_2GHZ_PASSIVE; + wl1271_scan_stm(wl); + } + + break; + + case WL1271_SCAN_STATE_2GHZ_PASSIVE: + ret = wl1271_scan_send(wl, IEEE80211_BAND_2GHZ, true, + wl->conf.tx.basic_rate); + if (ret == WL1271_NOTHING_TO_SCAN) { + if (wl1271_11a_enabled()) + wl->scan.state = WL1271_SCAN_STATE_5GHZ_ACTIVE; + else + wl->scan.state = WL1271_SCAN_STATE_DONE; + wl1271_scan_stm(wl); + } + + break; + + case WL1271_SCAN_STATE_5GHZ_ACTIVE: + ret = wl1271_scan_send(wl, IEEE80211_BAND_5GHZ, false, + wl->conf.tx.basic_rate_5); + if (ret == WL1271_NOTHING_TO_SCAN) { + wl->scan.state = WL1271_SCAN_STATE_5GHZ_PASSIVE; + wl1271_scan_stm(wl); + } + + break; + + case WL1271_SCAN_STATE_5GHZ_PASSIVE: + ret = wl1271_scan_send(wl, IEEE80211_BAND_5GHZ, true, + wl->conf.tx.basic_rate_5); + if (ret == WL1271_NOTHING_TO_SCAN) { + wl->scan.state = WL1271_SCAN_STATE_DONE; + wl1271_scan_stm(wl); + } + + break; + + case WL1271_SCAN_STATE_DONE: + mutex_unlock(&wl->mutex); + ieee80211_scan_completed(wl->hw, false); + mutex_lock(&wl->mutex); + + kfree(wl->scan.scanned_ch); + wl->scan.scanned_ch = NULL; + + wl->scan.state = WL1271_SCAN_STATE_IDLE; + break; + + default: + wl1271_error("invalid scan state"); + break; + } +} + +int wl1271_scan(struct wl1271 *wl, const u8 *ssid, size_t ssid_len, + struct cfg80211_scan_request *req) +{ + if (wl->scan.state != WL1271_SCAN_STATE_IDLE) + return -EBUSY; + + wl->scan.state = WL1271_SCAN_STATE_2GHZ_ACTIVE; + + if (ssid_len && ssid) { + wl->scan.ssid_len = ssid_len; + memcpy(wl->scan.ssid, ssid, ssid_len); + } else { + wl->scan.ssid_len = 0; + } + + wl->scan.req = req; + + wl->scan.scanned_ch = kzalloc(req->n_channels * + sizeof(*wl->scan.scanned_ch), + GFP_KERNEL); + wl1271_scan_stm(wl); + + return 0; +} diff --git a/drivers/net/wireless/wl12xx/wl1271_scan.h b/drivers/net/wireless/wl12xx/wl1271_scan.h new file mode 100644 index 00000000000..f1815700f5f --- /dev/null +++ b/drivers/net/wireless/wl12xx/wl1271_scan.h @@ -0,0 +1,109 @@ +/* + * This file is part of wl1271 + * + * Copyright (C) 2009-2010 Nokia Corporation + * + * Contact: Luciano Coelho <luciano.coelho@nokia.com> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * version 2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + * + */ + +#ifndef __WL1271_SCAN_H__ +#define __WL1271_SCAN_H__ + +#include "wl1271.h" + +int wl1271_scan(struct wl1271 *wl, const u8 *ssid, size_t ssid_len, + struct cfg80211_scan_request *req); +int wl1271_scan_build_probe_req(struct wl1271 *wl, + const u8 *ssid, size_t ssid_len, + const u8 *ie, size_t ie_len, u8 band); +void wl1271_scan_stm(struct wl1271 *wl); + +#define WL1271_SCAN_MAX_CHANNELS 24 +#define WL1271_SCAN_DEFAULT_TAG 1 +#define WL1271_SCAN_CURRENT_TX_PWR 0 +#define WL1271_SCAN_OPT_ACTIVE 0 +#define WL1271_SCAN_OPT_PASSIVE 1 +#define WL1271_SCAN_OPT_PRIORITY_HIGH 4 +#define WL1271_SCAN_CHAN_MIN_DURATION 30000 /* TU */ +#define WL1271_SCAN_CHAN_MAX_DURATION 60000 /* TU */ +#define WL1271_SCAN_BAND_2_4_GHZ 0 +#define WL1271_SCAN_BAND_5_GHZ 1 +#define WL1271_SCAN_PROBE_REQS 3 + +enum { + WL1271_SCAN_STATE_IDLE, + WL1271_SCAN_STATE_2GHZ_ACTIVE, + WL1271_SCAN_STATE_2GHZ_PASSIVE, + WL1271_SCAN_STATE_5GHZ_ACTIVE, + WL1271_SCAN_STATE_5GHZ_PASSIVE, + WL1271_SCAN_STATE_DONE +}; + +struct basic_scan_params { + __le32 rx_config_options; + __le32 rx_filter_options; + /* Scan option flags (WL1271_SCAN_OPT_*) */ + __le16 scan_options; + /* Number of scan channels in the list (maximum 30) */ + u8 n_ch; + /* This field indicates the number of probe requests to send + per channel for an active scan */ + u8 n_probe_reqs; + /* Rate bit field for sending the probes */ + __le32 tx_rate; + u8 tid_trigger; + u8 ssid_len; + /* in order to align */ + u8 padding1[2]; + u8 ssid[IW_ESSID_MAX_SIZE]; + /* Band to scan */ + u8 band; + u8 use_ssid_list; + u8 scan_tag; + u8 padding2; +} __packed; + +struct basic_scan_channel_params { + /* Duration in TU to wait for frames on a channel for active scan */ + __le32 min_duration; + __le32 max_duration; + __le32 bssid_lsb; + __le16 bssid_msb; + u8 early_termination; + u8 tx_power_att; + u8 channel; + /* FW internal use only! */ + u8 dfs_candidate; + u8 activity_detected; + u8 pad; +} __packed; + +struct wl1271_cmd_scan { + struct wl1271_cmd_header header; + + struct basic_scan_params params; + struct basic_scan_channel_params channels[WL1271_SCAN_MAX_CHANNELS]; +} __packed; + +struct wl1271_cmd_trigger_scan_to { + struct wl1271_cmd_header header; + + __le32 timeout; +} __packed; + +#endif /* __WL1271_SCAN_H__ */ diff --git a/drivers/net/wireless/wl12xx/wl1271_sdio.c b/drivers/net/wireless/wl12xx/wl1271_sdio.c index d3d6f302f70..7059b5cccf0 100644 --- a/drivers/net/wireless/wl12xx/wl1271_sdio.c +++ b/drivers/net/wireless/wl12xx/wl1271_sdio.c @@ -28,7 +28,7 @@ #include <linux/mmc/sdio_func.h> #include <linux/mmc/sdio_ids.h> #include <linux/mmc/card.h> -#include <plat/gpio.h> +#include <linux/gpio.h> #include "wl1271.h" #include "wl12xx_80211.h" diff --git a/drivers/net/wireless/wl12xx/wl1271_spi.c b/drivers/net/wireless/wl12xx/wl1271_spi.c index 5189b812f93..96d25fb5049 100644 --- a/drivers/net/wireless/wl12xx/wl1271_spi.c +++ b/drivers/net/wireless/wl12xx/wl1271_spi.c @@ -461,3 +461,4 @@ MODULE_LICENSE("GPL"); MODULE_AUTHOR("Luciano Coelho <luciano.coelho@nokia.com>"); MODULE_AUTHOR("Juuso Oikarinen <juuso.oikarinen@nokia.com>"); MODULE_FIRMWARE(WL1271_FW_NAME); +MODULE_ALIAS("spi:wl1271"); diff --git a/drivers/net/wireless/wl12xx/wl1271_testmode.c b/drivers/net/wireless/wl12xx/wl1271_testmode.c index 554deb4d024..6e0952f79e9 100644 --- a/drivers/net/wireless/wl12xx/wl1271_testmode.c +++ b/drivers/net/wireless/wl12xx/wl1271_testmode.c @@ -199,7 +199,14 @@ static int wl1271_tm_cmd_nvs_push(struct wl1271 *wl, struct nlattr *tb[]) buf = nla_data(tb[WL1271_TM_ATTR_DATA]); len = nla_len(tb[WL1271_TM_ATTR_DATA]); - if (len != sizeof(struct wl1271_nvs_file)) { + /* + * FIXME: the LEGACY NVS image support (NVS's missing the 5GHz band + * configurations) can be removed when those NVS files stop floating + * around. + */ + if (len != sizeof(struct wl1271_nvs_file) && + (len != WL1271_INI_LEGACY_NVS_FILE_SIZE || + wl1271_11a_enabled())) { wl1271_error("nvs size is not as expected: %zu != %zu", len, sizeof(struct wl1271_nvs_file)); return -EMSGSIZE; @@ -209,7 +216,7 @@ static int wl1271_tm_cmd_nvs_push(struct wl1271 *wl, struct nlattr *tb[]) kfree(wl->nvs); - wl->nvs = kmalloc(sizeof(struct wl1271_nvs_file), GFP_KERNEL); + wl->nvs = kzalloc(sizeof(struct wl1271_nvs_file), GFP_KERNEL); if (!wl->nvs) { wl1271_error("could not allocate memory for the nvs file"); ret = -ENOMEM; diff --git a/drivers/net/wireless/wl12xx/wl1271_tx.c b/drivers/net/wireless/wl12xx/wl1271_tx.c index 62db79508dd..c592cc2e9fe 100644 --- a/drivers/net/wireless/wl12xx/wl1271_tx.c +++ b/drivers/net/wireless/wl12xx/wl1271_tx.c @@ -36,6 +36,7 @@ static int wl1271_tx_id(struct wl1271 *wl, struct sk_buff *skb) for (i = 0; i < ACX_TX_DESCRIPTORS; i++) if (wl->tx_frames[i] == NULL) { wl->tx_frames[i] = skb; + wl->tx_frames_cnt++; return i; } @@ -73,8 +74,10 @@ static int wl1271_tx_allocate(struct wl1271 *wl, struct sk_buff *skb, u32 extra) wl1271_debug(DEBUG_TX, "tx_allocate: size: %d, blocks: %d, id: %d", total_len, total_blocks, id); - } else + } else { wl->tx_frames[id] = NULL; + wl->tx_frames_cnt--; + } return ret; } @@ -358,6 +361,7 @@ static void wl1271_tx_complete_packet(struct wl1271 *wl, /* return the packet to the stack */ ieee80211_tx_status(wl->hw, skb); wl->tx_frames[result->id] = NULL; + wl->tx_frames_cnt--; } /* Called upon reception of a TX complete interrupt */ @@ -412,7 +416,7 @@ void wl1271_tx_complete(struct wl1271 *wl) } /* caller must hold wl->mutex */ -void wl1271_tx_flush(struct wl1271 *wl) +void wl1271_tx_reset(struct wl1271 *wl) { int i; struct sk_buff *skb; @@ -421,7 +425,7 @@ void wl1271_tx_flush(struct wl1271 *wl) /* control->flags = 0; FIXME */ while ((skb = skb_dequeue(&wl->tx_queue))) { - wl1271_debug(DEBUG_TX, "flushing skb 0x%p", skb); + wl1271_debug(DEBUG_TX, "freeing skb 0x%p", skb); ieee80211_tx_status(wl->hw, skb); } @@ -429,6 +433,32 @@ void wl1271_tx_flush(struct wl1271 *wl) if (wl->tx_frames[i] != NULL) { skb = wl->tx_frames[i]; wl->tx_frames[i] = NULL; + wl1271_debug(DEBUG_TX, "freeing skb 0x%p", skb); ieee80211_tx_status(wl->hw, skb); } + wl->tx_frames_cnt = 0; +} + +#define WL1271_TX_FLUSH_TIMEOUT 500000 + +/* caller must *NOT* hold wl->mutex */ +void wl1271_tx_flush(struct wl1271 *wl) +{ + unsigned long timeout; + timeout = jiffies + usecs_to_jiffies(WL1271_TX_FLUSH_TIMEOUT); + + while (!time_after(jiffies, timeout)) { + mutex_lock(&wl->mutex); + wl1271_debug(DEBUG_TX, "flushing tx buffer: %d", + wl->tx_frames_cnt); + if ((wl->tx_frames_cnt == 0) && + skb_queue_empty(&wl->tx_queue)) { + mutex_unlock(&wl->mutex); + return; + } + mutex_unlock(&wl->mutex); + msleep(1); + } + + wl1271_warning("Unable to flush all TX buffers, timed out."); } diff --git a/drivers/net/wireless/wl12xx/wl1271_tx.h b/drivers/net/wireless/wl12xx/wl1271_tx.h index 3b8b7ac253f..0ae00637933 100644 --- a/drivers/net/wireless/wl12xx/wl1271_tx.h +++ b/drivers/net/wireless/wl12xx/wl1271_tx.h @@ -158,6 +158,7 @@ static inline int wl1271_tx_ac_to_tid(int ac) void wl1271_tx_work(struct work_struct *work); void wl1271_tx_complete(struct wl1271 *wl); +void wl1271_tx_reset(struct wl1271 *wl); void wl1271_tx_flush(struct wl1271 *wl); u8 wl1271_rate_to_idx(struct wl1271 *wl, int rate); u32 wl1271_tx_enabled_rates_get(struct wl1271 *wl, u32 rate_set); 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