diff options
Diffstat (limited to 'drivers/net/wireless/ti/wl1251')
-rw-r--r-- | drivers/net/wireless/ti/wl1251/acx.c | 49 | ||||
-rw-r--r-- | drivers/net/wireless/ti/wl1251/acx.h | 26 | ||||
-rw-r--r-- | drivers/net/wireless/ti/wl1251/boot.c | 3 | ||||
-rw-r--r-- | drivers/net/wireless/ti/wl1251/cmd.c | 58 | ||||
-rw-r--r-- | drivers/net/wireless/ti/wl1251/cmd.h | 8 | ||||
-rw-r--r-- | drivers/net/wireless/ti/wl1251/event.c | 46 | ||||
-rw-r--r-- | drivers/net/wireless/ti/wl1251/event.h | 7 | ||||
-rw-r--r-- | drivers/net/wireless/ti/wl1251/init.c | 13 | ||||
-rw-r--r-- | drivers/net/wireless/ti/wl1251/main.c | 150 | ||||
-rw-r--r-- | drivers/net/wireless/ti/wl1251/rx.c | 2 | ||||
-rw-r--r-- | drivers/net/wireless/ti/wl1251/tx.c | 35 | ||||
-rw-r--r-- | drivers/net/wireless/ti/wl1251/wl1251.h | 6 |
12 files changed, 354 insertions, 49 deletions
diff --git a/drivers/net/wireless/ti/wl1251/acx.c b/drivers/net/wireless/ti/wl1251/acx.c index 374268d5ac6a..5a4ec56c83d0 100644 --- a/drivers/net/wireless/ti/wl1251/acx.c +++ b/drivers/net/wireless/ti/wl1251/acx.c @@ -194,7 +194,7 @@ out: return ret; } -int wl1251_acx_feature_cfg(struct wl1251 *wl) +int wl1251_acx_feature_cfg(struct wl1251 *wl, u32 data_flow_options) { struct acx_feature_config *feature; int ret; @@ -205,8 +205,8 @@ int wl1251_acx_feature_cfg(struct wl1251 *wl) if (!feature) return -ENOMEM; - /* DF_ENCRYPTION_DISABLE and DF_SNIFF_MODE_ENABLE are disabled */ - feature->data_flow_options = 0; + /* DF_ENCRYPTION_DISABLE and DF_SNIFF_MODE_ENABLE can be set */ + feature->data_flow_options = data_flow_options; feature->options = 0; ret = wl1251_cmd_configure(wl, ACX_FEATURE_CFG, @@ -381,7 +381,8 @@ out: return ret; } -int wl1251_acx_group_address_tbl(struct wl1251 *wl) +int wl1251_acx_group_address_tbl(struct wl1251 *wl, bool enable, + void *mc_list, u32 mc_list_len) { struct acx_dot11_grp_addr_tbl *acx; int ret; @@ -393,9 +394,9 @@ int wl1251_acx_group_address_tbl(struct wl1251 *wl) return -ENOMEM; /* MAC filtering */ - acx->enabled = 0; - acx->num_groups = 0; - memset(acx->mac_table, 0, ADDRESS_GROUP_MAX_LEN); + acx->enabled = enable; + acx->num_groups = mc_list_len; + memcpy(acx->mac_table, mc_list, mc_list_len * ETH_ALEN); ret = wl1251_cmd_configure(wl, DOT11_GROUP_ADDRESS_TBL, acx, sizeof(*acx)); @@ -846,12 +847,18 @@ int wl1251_acx_rate_policies(struct wl1251 *wl) return -ENOMEM; /* configure one default (one-size-fits-all) rate class */ - acx->rate_class_cnt = 1; + acx->rate_class_cnt = 2; acx->rate_class[0].enabled_rates = ACX_RATE_MASK_UNSPECIFIED; acx->rate_class[0].short_retry_limit = ACX_RATE_RETRY_LIMIT; acx->rate_class[0].long_retry_limit = ACX_RATE_RETRY_LIMIT; acx->rate_class[0].aflags = 0; + /* no-retry rate class */ + acx->rate_class[1].enabled_rates = ACX_RATE_MASK_UNSPECIFIED; + acx->rate_class[1].short_retry_limit = 0; + acx->rate_class[1].long_retry_limit = 0; + acx->rate_class[1].aflags = 0; + ret = wl1251_cmd_configure(wl, ACX_RATE_POLICY, acx, sizeof(*acx)); if (ret < 0) { wl1251_warning("Setting of rate policies failed: %d", ret); @@ -960,6 +967,32 @@ out: return ret; } +int wl1251_acx_arp_ip_filter(struct wl1251 *wl, bool enable, __be32 address) +{ + struct wl1251_acx_arp_filter *acx; + int ret; + + wl1251_debug(DEBUG_ACX, "acx arp ip filter, enable: %d", enable); + + acx = kzalloc(sizeof(*acx), GFP_KERNEL); + if (!acx) + return -ENOMEM; + + acx->version = ACX_IPV4_VERSION; + acx->enable = enable; + + if (enable) + memcpy(acx->address, &address, ACX_IPV4_ADDR_SIZE); + + ret = wl1251_cmd_configure(wl, ACX_ARP_IP_FILTER, + acx, sizeof(*acx)); + if (ret < 0) + wl1251_warning("failed to set arp ip filter: %d", ret); + + kfree(acx); + return ret; +} + int wl1251_acx_ac_cfg(struct wl1251 *wl, u8 ac, u8 cw_min, u16 cw_max, u8 aifs, u16 txop) { diff --git a/drivers/net/wireless/ti/wl1251/acx.h b/drivers/net/wireless/ti/wl1251/acx.h index c2ba100f9b1a..2bdec38699f4 100644 --- a/drivers/net/wireless/ti/wl1251/acx.h +++ b/drivers/net/wireless/ti/wl1251/acx.h @@ -350,8 +350,8 @@ struct acx_slot { } __packed; -#define ADDRESS_GROUP_MAX (8) -#define ADDRESS_GROUP_MAX_LEN (ETH_ALEN * ADDRESS_GROUP_MAX) +#define ACX_MC_ADDRESS_GROUP_MAX (8) +#define ACX_MC_ADDRESS_GROUP_MAX_LEN (ETH_ALEN * ACX_MC_ADDRESS_GROUP_MAX) struct acx_dot11_grp_addr_tbl { struct acx_header header; @@ -359,7 +359,7 @@ struct acx_dot11_grp_addr_tbl { u8 enabled; u8 num_groups; u8 pad[2]; - u8 mac_table[ADDRESS_GROUP_MAX_LEN]; + u8 mac_table[ACX_MC_ADDRESS_GROUP_MAX_LEN]; } __packed; @@ -1232,6 +1232,20 @@ struct wl1251_acx_bet_enable { u8 padding[2]; } __packed; +#define ACX_IPV4_VERSION 4 +#define ACX_IPV6_VERSION 6 +#define ACX_IPV4_ADDR_SIZE 4 +struct wl1251_acx_arp_filter { + struct acx_header header; + u8 version; /* The IP version: 4 - IPv4, 6 - IPv6.*/ + u8 enable; /* 1 - ARP filtering is enabled, 0 - disabled */ + u8 padding[2]; + u8 address[16]; /* The IP address used to filter ARP packets. + ARP packets that do not match this address are + dropped. When the IP Version is 4, the last 12 + bytes of the the address are ignored. */ +} __attribute__((packed)); + struct wl1251_acx_ac_cfg { struct acx_header header; @@ -1440,7 +1454,7 @@ int wl1251_acx_wake_up_conditions(struct wl1251 *wl, u8 wake_up_event, int wl1251_acx_sleep_auth(struct wl1251 *wl, u8 sleep_auth); int wl1251_acx_fw_version(struct wl1251 *wl, char *buf, size_t len); int wl1251_acx_tx_power(struct wl1251 *wl, int power); -int wl1251_acx_feature_cfg(struct wl1251 *wl); +int wl1251_acx_feature_cfg(struct wl1251 *wl, u32 data_flow_options); int wl1251_acx_mem_map(struct wl1251 *wl, struct acx_header *mem_map, size_t len); int wl1251_acx_data_path_params(struct wl1251 *wl, @@ -1449,7 +1463,8 @@ int wl1251_acx_rx_msdu_life_time(struct wl1251 *wl, u32 life_time); int wl1251_acx_rx_config(struct wl1251 *wl, u32 config, u32 filter); int wl1251_acx_pd_threshold(struct wl1251 *wl); int wl1251_acx_slot(struct wl1251 *wl, enum acx_slot_type slot_time); -int wl1251_acx_group_address_tbl(struct wl1251 *wl); +int wl1251_acx_group_address_tbl(struct wl1251 *wl, bool enable, + void *mc_list, u32 mc_list_len); int wl1251_acx_service_period_timeout(struct wl1251 *wl); int wl1251_acx_rts_threshold(struct wl1251 *wl, u16 rts_threshold); int wl1251_acx_beacon_filter_opt(struct wl1251 *wl, bool enable_filter); @@ -1473,6 +1488,7 @@ int wl1251_acx_mem_cfg(struct wl1251 *wl); int wl1251_acx_wr_tbtt_and_dtim(struct wl1251 *wl, u16 tbtt, u8 dtim); int wl1251_acx_bet_enable(struct wl1251 *wl, enum wl1251_acx_bet_mode mode, u8 max_consecutive); +int wl1251_acx_arp_ip_filter(struct wl1251 *wl, bool enable, __be32 address); int wl1251_acx_ac_cfg(struct wl1251 *wl, u8 ac, u8 cw_min, u16 cw_max, u8 aifs, u16 txop); int wl1251_acx_tid_cfg(struct wl1251 *wl, u8 queue, diff --git a/drivers/net/wireless/ti/wl1251/boot.c b/drivers/net/wireless/ti/wl1251/boot.c index a2e5241382da..2000cd536077 100644 --- a/drivers/net/wireless/ti/wl1251/boot.c +++ b/drivers/net/wireless/ti/wl1251/boot.c @@ -299,7 +299,8 @@ int wl1251_boot_run_firmware(struct wl1251 *wl) ROAMING_TRIGGER_LOW_RSSI_EVENT_ID | ROAMING_TRIGGER_REGAINED_RSSI_EVENT_ID | REGAINED_BSS_EVENT_ID | BT_PTA_SENSE_EVENT_ID | - BT_PTA_PREDICTION_EVENT_ID | JOIN_EVENT_COMPLETE_ID; + BT_PTA_PREDICTION_EVENT_ID | JOIN_EVENT_COMPLETE_ID | + PS_REPORT_EVENT_ID; ret = wl1251_event_unmask(wl); if (ret < 0) { diff --git a/drivers/net/wireless/ti/wl1251/cmd.c b/drivers/net/wireless/ti/wl1251/cmd.c index 6822b845efc1..223649bcaa5a 100644 --- a/drivers/net/wireless/ti/wl1251/cmd.c +++ b/drivers/net/wireless/ti/wl1251/cmd.c @@ -3,6 +3,7 @@ #include <linux/module.h> #include <linux/slab.h> #include <linux/crc7.h> +#include <linux/etherdevice.h> #include "wl1251.h" #include "reg.h" @@ -203,11 +204,11 @@ out: return ret; } -int wl1251_cmd_data_path(struct wl1251 *wl, u8 channel, bool enable) +int wl1251_cmd_data_path_rx(struct wl1251 *wl, u8 channel, bool enable) { struct cmd_enabledisable_path *cmd; int ret; - u16 cmd_rx, cmd_tx; + u16 cmd_rx; wl1251_debug(DEBUG_CMD, "cmd data path"); @@ -219,13 +220,10 @@ int wl1251_cmd_data_path(struct wl1251 *wl, u8 channel, bool enable) cmd->channel = channel; - if (enable) { + if (enable) cmd_rx = CMD_ENABLE_RX; - cmd_tx = CMD_ENABLE_TX; - } else { + else cmd_rx = CMD_DISABLE_RX; - cmd_tx = CMD_DISABLE_TX; - } ret = wl1251_cmd_send(wl, cmd_rx, cmd, sizeof(*cmd)); if (ret < 0) { @@ -237,17 +235,38 @@ int wl1251_cmd_data_path(struct wl1251 *wl, u8 channel, bool enable) wl1251_debug(DEBUG_BOOT, "rx %s cmd channel %d", enable ? "start" : "stop", channel); +out: + kfree(cmd); + return ret; +} + +int wl1251_cmd_data_path_tx(struct wl1251 *wl, u8 channel, bool enable) +{ + struct cmd_enabledisable_path *cmd; + int ret; + u16 cmd_tx; + + wl1251_debug(DEBUG_CMD, "cmd data path"); + + cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); + if (!cmd) + return -ENOMEM; + + cmd->channel = channel; + + if (enable) + cmd_tx = CMD_ENABLE_TX; + else + cmd_tx = CMD_DISABLE_TX; + ret = wl1251_cmd_send(wl, cmd_tx, cmd, sizeof(*cmd)); - if (ret < 0) { + if (ret < 0) wl1251_error("tx %s cmd for channel %d failed", enable ? "start" : "stop", channel); - goto out; - } - - wl1251_debug(DEBUG_BOOT, "tx %s cmd channel %d", - enable ? "start" : "stop", channel); + else + wl1251_debug(DEBUG_BOOT, "tx %s cmd channel %d", + enable ? "start" : "stop", channel); -out: kfree(cmd); return ret; } @@ -410,7 +429,9 @@ int wl1251_cmd_scan(struct wl1251 *wl, u8 *ssid, size_t ssid_len, struct wl1251_cmd_scan *cmd; int i, ret = 0; - wl1251_debug(DEBUG_CMD, "cmd scan"); + wl1251_debug(DEBUG_CMD, "cmd scan channels %d", n_channels); + + WARN_ON(n_channels > SCAN_MAX_NUM_OF_CHANNELS); cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); if (!cmd) @@ -421,6 +442,13 @@ int wl1251_cmd_scan(struct wl1251 *wl, u8 *ssid, size_t ssid_len, CFG_RX_MGMT_EN | CFG_RX_BCN_EN); cmd->params.scan_options = 0; + /* + * Use high priority scan when not associated to prevent fw issue + * causing never-ending scans (sometimes 20+ minutes). + * Note: This bug may be caused by the fw's DTIM handling. + */ + if (is_zero_ether_addr(wl->bssid)) + cmd->params.scan_options |= WL1251_SCAN_OPT_PRIORITY_HIGH; cmd->params.num_channels = n_channels; cmd->params.num_probe_requests = n_probes; cmd->params.tx_rate = cpu_to_le16(1 << 1); /* 2 Mbps */ diff --git a/drivers/net/wireless/ti/wl1251/cmd.h b/drivers/net/wireless/ti/wl1251/cmd.h index ee4f2b391822..d824ff978311 100644 --- a/drivers/net/wireless/ti/wl1251/cmd.h +++ b/drivers/net/wireless/ti/wl1251/cmd.h @@ -35,7 +35,8 @@ int wl1251_cmd_interrogate(struct wl1251 *wl, u16 id, void *buf, size_t len); int wl1251_cmd_configure(struct wl1251 *wl, u16 id, void *buf, size_t len); int wl1251_cmd_vbm(struct wl1251 *wl, u8 identity, void *bitmap, u16 bitmap_len, u8 bitmap_control); -int wl1251_cmd_data_path(struct wl1251 *wl, u8 channel, bool enable); +int wl1251_cmd_data_path_rx(struct wl1251 *wl, u8 channel, bool enable); +int wl1251_cmd_data_path_tx(struct wl1251 *wl, u8 channel, bool enable); int wl1251_cmd_join(struct wl1251 *wl, u8 bss_type, u8 channel, u16 beacon_interval, u8 dtim_interval); int wl1251_cmd_ps_mode(struct wl1251 *wl, u8 ps_mode); @@ -167,6 +168,11 @@ struct cmd_read_write_memory { #define CMDMBOX_HEADER_LEN 4 #define CMDMBOX_INFO_ELEM_HEADER_LEN 4 +#define WL1251_SCAN_OPT_PASSIVE 1 +#define WL1251_SCAN_OPT_5GHZ_BAND 2 +#define WL1251_SCAN_OPT_TRIGGERD_SCAN 4 +#define WL1251_SCAN_OPT_PRIORITY_HIGH 8 + #define WL1251_SCAN_MIN_DURATION 30000 #define WL1251_SCAN_MAX_DURATION 60000 diff --git a/drivers/net/wireless/ti/wl1251/event.c b/drivers/net/wireless/ti/wl1251/event.c index 74ae8e1c2e33..db0105313745 100644 --- a/drivers/net/wireless/ti/wl1251/event.c +++ b/drivers/net/wireless/ti/wl1251/event.c @@ -46,6 +46,43 @@ static int wl1251_event_scan_complete(struct wl1251 *wl, return ret; } +#define WL1251_PSM_ENTRY_RETRIES 3 +static int wl1251_event_ps_report(struct wl1251 *wl, + struct event_mailbox *mbox) +{ + int ret = 0; + + wl1251_debug(DEBUG_EVENT, "ps status: %x", mbox->ps_status); + + switch (mbox->ps_status) { + case EVENT_ENTER_POWER_SAVE_FAIL: + wl1251_debug(DEBUG_PSM, "PSM entry failed"); + + if (wl->station_mode != STATION_POWER_SAVE_MODE) { + /* remain in active mode */ + wl->psm_entry_retry = 0; + break; + } + + if (wl->psm_entry_retry < WL1251_PSM_ENTRY_RETRIES) { + wl->psm_entry_retry++; + ret = wl1251_ps_set_mode(wl, STATION_POWER_SAVE_MODE); + } else { + wl1251_error("Power save entry failed, giving up"); + wl->psm_entry_retry = 0; + } + break; + case EVENT_ENTER_POWER_SAVE_SUCCESS: + case EVENT_EXIT_POWER_SAVE_FAIL: + case EVENT_EXIT_POWER_SAVE_SUCCESS: + default: + wl->psm_entry_retry = 0; + break; + } + + return 0; +} + static void wl1251_event_mbox_dump(struct event_mailbox *mbox) { wl1251_debug(DEBUG_EVENT, "MBOX DUMP:"); @@ -80,7 +117,14 @@ static int wl1251_event_process(struct wl1251 *wl, struct event_mailbox *mbox) } } - if (vector & SYNCHRONIZATION_TIMEOUT_EVENT_ID) { + if (vector & PS_REPORT_EVENT_ID) { + wl1251_debug(DEBUG_EVENT, "PS_REPORT_EVENT"); + ret = wl1251_event_ps_report(wl, mbox); + if (ret < 0) + return ret; + } + + if (wl->vif && vector & SYNCHRONIZATION_TIMEOUT_EVENT_ID) { wl1251_debug(DEBUG_EVENT, "SYNCHRONIZATION_TIMEOUT_EVENT"); /* indicate to the stack, that beacons have been lost */ diff --git a/drivers/net/wireless/ti/wl1251/event.h b/drivers/net/wireless/ti/wl1251/event.h index 30eb5d150bf7..88570a5cd042 100644 --- a/drivers/net/wireless/ti/wl1251/event.h +++ b/drivers/net/wireless/ti/wl1251/event.h @@ -112,6 +112,13 @@ struct event_mailbox { u8 padding[19]; } __packed; +enum { + EVENT_ENTER_POWER_SAVE_FAIL = 0, + EVENT_ENTER_POWER_SAVE_SUCCESS, + EVENT_EXIT_POWER_SAVE_FAIL, + EVENT_EXIT_POWER_SAVE_SUCCESS, +}; + int wl1251_event_unmask(struct wl1251 *wl); void wl1251_event_mbox_config(struct wl1251 *wl); int wl1251_event_handle(struct wl1251 *wl, u8 mbox); diff --git a/drivers/net/wireless/ti/wl1251/init.c b/drivers/net/wireless/ti/wl1251/init.c index 89b43d35473c..1d799bffaa9f 100644 --- a/drivers/net/wireless/ti/wl1251/init.c +++ b/drivers/net/wireless/ti/wl1251/init.c @@ -33,7 +33,7 @@ int wl1251_hw_init_hwenc_config(struct wl1251 *wl) { int ret; - ret = wl1251_acx_feature_cfg(wl); + ret = wl1251_acx_feature_cfg(wl, 0); if (ret < 0) { wl1251_warning("couldn't set feature config"); return ret; @@ -127,7 +127,7 @@ int wl1251_hw_init_phy_config(struct wl1251 *wl) if (ret < 0) return ret; - ret = wl1251_acx_group_address_tbl(wl); + ret = wl1251_acx_group_address_tbl(wl, true, NULL, 0); if (ret < 0) return ret; @@ -394,8 +394,13 @@ int wl1251_hw_init(struct wl1251 *wl) if (ret < 0) goto out_free_data_path; - /* Enable data path */ - ret = wl1251_cmd_data_path(wl, wl->channel, 1); + /* Enable rx data path */ + ret = wl1251_cmd_data_path_rx(wl, wl->channel, 1); + if (ret < 0) + goto out_free_data_path; + + /* Enable tx data path */ + ret = wl1251_cmd_data_path_tx(wl, wl->channel, 1); if (ret < 0) goto out_free_data_path; diff --git a/drivers/net/wireless/ti/wl1251/main.c b/drivers/net/wireless/ti/wl1251/main.c index b8a360b43e76..119c148f7740 100644 --- a/drivers/net/wireless/ti/wl1251/main.c +++ b/drivers/net/wireless/ti/wl1251/main.c @@ -28,6 +28,7 @@ #include <linux/etherdevice.h> #include <linux/vmalloc.h> #include <linux/slab.h> +#include <linux/netdevice.h> #include "wl1251.h" #include "wl12xx_80211.h" @@ -479,10 +480,13 @@ static void wl1251_op_stop(struct ieee80211_hw *hw) wl->next_tx_complete = 0; wl->elp = false; wl->station_mode = STATION_ACTIVE_MODE; + wl->psm_entry_retry = 0; wl->tx_queue_stopped = false; wl->power_level = WL1251_DEFAULT_POWER_LEVEL; wl->rssi_thold = 0; wl->channel = WL1251_DEFAULT_CHANNEL; + wl->monitor_present = false; + wl->joined = false; wl1251_debugfs_reset(wl); @@ -542,6 +546,7 @@ static void wl1251_op_remove_interface(struct ieee80211_hw *hw, mutex_lock(&wl->mutex); wl1251_debug(DEBUG_MAC80211, "mac80211 remove interface"); wl->vif = NULL; + memset(wl->bssid, 0, ETH_ALEN); mutex_unlock(&wl->mutex); } @@ -566,6 +571,11 @@ static int wl1251_build_qos_null_data(struct wl1251 *wl) sizeof(template)); } +static bool wl1251_can_do_pm(struct ieee80211_conf *conf, struct wl1251 *wl) +{ + return (conf->flags & IEEE80211_CONF_PS) && !wl->monitor_present; +} + static int wl1251_op_config(struct ieee80211_hw *hw, u32 changed) { struct wl1251 *wl = hw->priv; @@ -575,8 +585,10 @@ static int wl1251_op_config(struct ieee80211_hw *hw, u32 changed) channel = ieee80211_frequency_to_channel( conf->chandef.chan->center_freq); - wl1251_debug(DEBUG_MAC80211, "mac80211 config ch %d psm %s power %d", + wl1251_debug(DEBUG_MAC80211, + "mac80211 config ch %d monitor %s psm %s power %d", channel, + conf->flags & IEEE80211_CONF_MONITOR ? "on" : "off", conf->flags & IEEE80211_CONF_PS ? "on" : "off", conf->power_level); @@ -586,16 +598,44 @@ static int wl1251_op_config(struct ieee80211_hw *hw, u32 changed) if (ret < 0) goto out; + if (changed & IEEE80211_CONF_CHANGE_MONITOR) { + u32 mode; + + if (conf->flags & IEEE80211_CONF_MONITOR) { + wl->monitor_present = true; + mode = DF_SNIFF_MODE_ENABLE | DF_ENCRYPTION_DISABLE; + } else { + wl->monitor_present = false; + mode = 0; + } + + ret = wl1251_acx_feature_cfg(wl, mode); + if (ret < 0) + goto out_sleep; + } + if (channel != wl->channel) { wl->channel = channel; - ret = wl1251_join(wl, wl->bss_type, wl->channel, - wl->beacon_int, wl->dtim_period); + /* + * Use ENABLE_RX command for channel switching when no + * interface is present (monitor mode only). + * This leaves the tx path disabled in firmware, whereas + * the usual JOIN command seems to transmit some frames + * at firmware level. + */ + if (wl->vif == NULL) { + wl->joined = false; + ret = wl1251_cmd_data_path_rx(wl, wl->channel, 1); + } else { + ret = wl1251_join(wl, wl->bss_type, wl->channel, + wl->beacon_int, wl->dtim_period); + } if (ret < 0) goto out_sleep; } - if (conf->flags & IEEE80211_CONF_PS && !wl->psm_requested) { + if (wl1251_can_do_pm(conf, wl) && !wl->psm_requested) { wl1251_debug(DEBUG_PSM, "psm enabled"); wl->psm_requested = true; @@ -611,8 +651,7 @@ static int wl1251_op_config(struct ieee80211_hw *hw, u32 changed) ret = wl1251_ps_set_mode(wl, STATION_POWER_SAVE_MODE); if (ret < 0) goto out_sleep; - } else if (!(conf->flags & IEEE80211_CONF_PS) && - wl->psm_requested) { + } else if (!wl1251_can_do_pm(conf, wl) && wl->psm_requested) { wl1251_debug(DEBUG_PSM, "psm disabled"); wl->psm_requested = false; @@ -648,6 +687,16 @@ static int wl1251_op_config(struct ieee80211_hw *hw, u32 changed) wl->power_level = conf->power_level; } + /* + * Tell stack that connection is lost because hw encryption isn't + * supported in monitor mode. + * This requires temporary enabling of the hw connection monitor flag + */ + if ((changed & IEEE80211_CONF_CHANGE_MONITOR) && wl->vif) { + wl->hw->flags |= IEEE80211_HW_CONNECTION_MONITOR; + ieee80211_connection_loss(wl->vif); + } + out_sleep: wl1251_ps_elp_sleep(wl); @@ -657,6 +706,44 @@ out: return ret; } +struct wl1251_filter_params { + bool enabled; + int mc_list_length; + u8 mc_list[ACX_MC_ADDRESS_GROUP_MAX][ETH_ALEN]; +}; + +static u64 wl1251_op_prepare_multicast(struct ieee80211_hw *hw, + struct netdev_hw_addr_list *mc_list) +{ + struct wl1251_filter_params *fp; + struct netdev_hw_addr *ha; + struct wl1251 *wl = hw->priv; + + if (unlikely(wl->state == WL1251_STATE_OFF)) + return 0; + + fp = kzalloc(sizeof(*fp), GFP_ATOMIC); + if (!fp) { + wl1251_error("Out of memory setting filters."); + return 0; + } + + /* update multicast filtering parameters */ + fp->mc_list_length = 0; + if (netdev_hw_addr_list_count(mc_list) > ACX_MC_ADDRESS_GROUP_MAX) { + fp->enabled = false; + } else { + fp->enabled = true; + netdev_hw_addr_list_for_each(ha, mc_list) { + memcpy(fp->mc_list[fp->mc_list_length], + ha->addr, ETH_ALEN); + fp->mc_list_length++; + } + } + + return (u64)(unsigned long)fp; +} + #define WL1251_SUPPORTED_FILTERS (FIF_PROMISC_IN_BSS | \ FIF_ALLMULTI | \ FIF_FCSFAIL | \ @@ -667,8 +754,9 @@ out: static void wl1251_op_configure_filter(struct ieee80211_hw *hw, unsigned int changed, - unsigned int *total,u64 multicast) + unsigned int *total, u64 multicast) { + struct wl1251_filter_params *fp = (void *)(unsigned long)multicast; struct wl1251 *wl = hw->priv; int ret; @@ -677,9 +765,11 @@ static void wl1251_op_configure_filter(struct ieee80211_hw *hw, *total &= WL1251_SUPPORTED_FILTERS; changed &= WL1251_SUPPORTED_FILTERS; - if (changed == 0) + if (changed == 0) { /* no filters which we support changed */ + kfree(fp); return; + } mutex_lock(&wl->mutex); @@ -716,6 +806,15 @@ static void wl1251_op_configure_filter(struct ieee80211_hw *hw, if (ret < 0) goto out; + if (*total & FIF_ALLMULTI || *total & FIF_PROMISC_IN_BSS) + ret = wl1251_acx_group_address_tbl(wl, false, NULL, 0); + else if (fp) + ret = wl1251_acx_group_address_tbl(wl, fp->enabled, + fp->mc_list, + fp->mc_list_length); + if (ret < 0) + goto out; + /* send filters to firmware */ wl1251_acx_rx_config(wl, wl->rx_config, wl->rx_filter); @@ -723,6 +822,7 @@ static void wl1251_op_configure_filter(struct ieee80211_hw *hw, out: mutex_unlock(&wl->mutex); + kfree(fp); } /* HW encryption */ @@ -802,12 +902,12 @@ static int wl1251_op_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, mutex_lock(&wl->mutex); - ret = wl1251_ps_elp_wakeup(wl); - if (ret < 0) - goto out_unlock; - switch (cmd) { case SET_KEY: + if (wl->monitor_present) { + ret = -EOPNOTSUPP; + goto out_unlock; + } wl_cmd->key_action = KEY_ADD_OR_REPLACE; break; case DISABLE_KEY: @@ -818,6 +918,10 @@ static int wl1251_op_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, break; } + ret = wl1251_ps_elp_wakeup(wl); + if (ret < 0) + goto out_unlock; + ret = wl1251_set_key_type(wl, wl_cmd, cmd, key, addr); if (ret < 0) { wl1251_error("Set KEY type failed"); @@ -930,6 +1034,7 @@ static int wl1251_op_hw_scan(struct ieee80211_hw *hw, ret = wl1251_cmd_scan(wl, ssid, ssid_len, req->channels, req->n_channels, WL1251_SCAN_NUM_PROBES); if (ret < 0) { + wl1251_debug(DEBUG_SCAN, "scan failed %d", ret); wl->scanning = false; goto out_idle; } @@ -977,6 +1082,7 @@ static void wl1251_op_bss_info_changed(struct ieee80211_hw *hw, { struct wl1251 *wl = hw->priv; struct sk_buff *beacon, *skb; + bool enable; int ret; wl1251_debug(DEBUG_MAC80211, "mac80211 bss info changed"); @@ -1023,6 +1129,9 @@ static void wl1251_op_bss_info_changed(struct ieee80211_hw *hw, } if (changed & BSS_CHANGED_ASSOC) { + /* Disable temporary enabled hw connection monitor flag */ + wl->hw->flags &= ~IEEE80211_HW_CONNECTION_MONITOR; + if (bss_conf->assoc) { wl->beacon_int = bss_conf->beacon_int; @@ -1075,6 +1184,17 @@ static void wl1251_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); + + enable = bss_conf->arp_addr_cnt == 1 && bss_conf->assoc; + wl1251_acx_arp_ip_filter(wl, enable, addr); + + if (ret < 0) + goto out_sleep; + } + if (changed & BSS_CHANGED_BEACON) { beacon = ieee80211_beacon_get(hw, vif); if (!beacon) @@ -1245,6 +1365,7 @@ static const struct ieee80211_ops wl1251_ops = { .add_interface = wl1251_op_add_interface, .remove_interface = wl1251_op_remove_interface, .config = wl1251_op_config, + .prepare_multicast = wl1251_op_prepare_multicast, .configure_filter = wl1251_op_configure_filter, .tx = wl1251_op_tx, .set_key = wl1251_op_set_key, @@ -1401,7 +1522,10 @@ struct ieee80211_hw *wl1251_alloc_hw(void) INIT_DELAYED_WORK(&wl->elp_work, wl1251_elp_work); wl->channel = WL1251_DEFAULT_CHANNEL; + wl->monitor_present = false; + wl->joined = false; wl->scanning = false; + wl->bss_type = MAX_BSS_TYPE; wl->default_key = 0; wl->listen_int = 1; wl->rx_counter = 0; @@ -1413,6 +1537,7 @@ struct ieee80211_hw *wl1251_alloc_hw(void) wl->elp = false; wl->station_mode = STATION_ACTIVE_MODE; wl->psm_requested = false; + wl->psm_entry_retry = 0; wl->tx_queue_stopped = false; wl->power_level = WL1251_DEFAULT_POWER_LEVEL; wl->rssi_thold = 0; @@ -1478,3 +1603,4 @@ MODULE_DESCRIPTION("TI wl1251 Wireles LAN Driver Core"); MODULE_LICENSE("GPL"); MODULE_AUTHOR("Kalle Valo <kvalo@adurom.com>"); MODULE_FIRMWARE(WL1251_FW_NAME); +MODULE_FIRMWARE(WL1251_NVS_NAME); diff --git a/drivers/net/wireless/ti/wl1251/rx.c b/drivers/net/wireless/ti/wl1251/rx.c index 23289d49dd31..123c4bb50e0a 100644 --- a/drivers/net/wireless/ti/wl1251/rx.c +++ b/drivers/net/wireless/ti/wl1251/rx.c @@ -83,7 +83,7 @@ static void wl1251_rx_status(struct wl1251 *wl, status->flag |= RX_FLAG_MACTIME_START; - if (desc->flags & RX_DESC_ENCRYPTION_MASK) { + if (!wl->monitor_present && (desc->flags & RX_DESC_ENCRYPTION_MASK)) { status->flag |= RX_FLAG_IV_STRIPPED | RX_FLAG_MMIC_STRIPPED; if (likely(!(desc->flags & RX_DESC_DECRYPT_FAIL))) diff --git a/drivers/net/wireless/ti/wl1251/tx.c b/drivers/net/wireless/ti/wl1251/tx.c index 28121c590a2b..81de83c6fcf6 100644 --- a/drivers/net/wireless/ti/wl1251/tx.c +++ b/drivers/net/wireless/ti/wl1251/tx.c @@ -28,6 +28,7 @@ #include "tx.h" #include "ps.h" #include "io.h" +#include "event.h" static bool wl1251_tx_double_buffer_busy(struct wl1251 *wl, u32 data_out_count) { @@ -89,8 +90,12 @@ static void wl1251_tx_control(struct tx_double_buffer_desc *tx_hdr, /* 802.11 packets */ tx_hdr->control.packet_type = 0; - if (control->flags & IEEE80211_TX_CTL_NO_ACK) + /* Also disable retry and ACK policy for injected packets */ + if ((control->flags & IEEE80211_TX_CTL_NO_ACK) || + (control->flags & IEEE80211_TX_CTL_INJECTED)) { + tx_hdr->control.rate_policy = 1; tx_hdr->control.ack_policy = 1; + } tx_hdr->control.tx_complete = 1; @@ -277,6 +282,26 @@ static void wl1251_tx_trigger(struct wl1251 *wl) TX_STATUS_DATA_OUT_COUNT_MASK; } +static void enable_tx_for_packet_injection(struct wl1251 *wl) +{ + int ret; + + ret = wl1251_cmd_join(wl, BSS_TYPE_STA_BSS, wl->channel, + wl->beacon_int, wl->dtim_period); + if (ret < 0) { + wl1251_warning("join failed"); + return; + } + + ret = wl1251_event_wait(wl, JOIN_EVENT_COMPLETE_ID, 100); + if (ret < 0) { + wl1251_warning("join timeout"); + return; + } + + wl->joined = true; +} + /* caller must hold wl->mutex */ static int wl1251_tx_frame(struct wl1251 *wl, struct sk_buff *skb) { @@ -287,6 +312,9 @@ static int wl1251_tx_frame(struct wl1251 *wl, struct sk_buff *skb) info = IEEE80211_SKB_CB(skb); if (info->control.hw_key) { + if (unlikely(wl->monitor_present)) + return -EINVAL; + idx = info->control.hw_key->hw_key_idx; if (unlikely(wl->default_key != idx)) { ret = wl1251_acx_default_key(wl, idx); @@ -295,6 +323,10 @@ static int wl1251_tx_frame(struct wl1251 *wl, struct sk_buff *skb) } } + /* Enable tx path in monitor mode for packet injection */ + if ((wl->vif == NULL) && !wl->joined) + enable_tx_for_packet_injection(wl); + ret = wl1251_tx_path_status(wl); if (ret < 0) return ret; @@ -394,6 +426,7 @@ static void wl1251_tx_packet_cb(struct wl1251 *wl, info = IEEE80211_SKB_CB(skb); if (!(info->flags & IEEE80211_TX_CTL_NO_ACK) && + !(info->flags & IEEE80211_TX_CTL_INJECTED) && (result->status == TX_SUCCESS)) info->flags |= IEEE80211_TX_STAT_ACK; diff --git a/drivers/net/wireless/ti/wl1251/wl1251.h b/drivers/net/wireless/ti/wl1251/wl1251.h index 2c3bd1bff3f6..235617a7716d 100644 --- a/drivers/net/wireless/ti/wl1251/wl1251.h +++ b/drivers/net/wireless/ti/wl1251/wl1251.h @@ -93,6 +93,7 @@ enum { } while (0) #define WL1251_DEFAULT_RX_CONFIG (CFG_UNI_FILTER_EN | \ + CFG_MC_FILTER_EN | \ CFG_BSSID_FILTER_EN) #define WL1251_DEFAULT_RX_FILTER (CFG_RX_PRSP_EN | \ @@ -303,6 +304,8 @@ struct wl1251 { u8 bss_type; u8 listen_int; int channel; + bool monitor_present; + bool joined; void *target_mem_map; struct acx_data_path_params_resp *data_path; @@ -368,6 +371,9 @@ struct wl1251 { /* PSM mode requested */ bool psm_requested; + /* retry counter for PSM entries */ + u8 psm_entry_retry; + u16 beacon_int; u8 dtim_period; |