wl12xx: AP-mode high level commands
Add commands to start/stop BSS, add/remove STA and configure encryption keys. Split the encryption commands "set key" and "set default key" into AP and STA specific versions. Signed-off-by: Arik Nemtsov <arik@wizery.com> Reviewed-by: Luciano Coelho <coelho@ti.com> Signed-off-by: Luciano Coelho <coelho@ti.com>
This commit is contained in:
Arik Nemtsov
Luciano Coelho
parent
203c903cbf
commit
98bdaabbbc
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@ -36,6 +36,7 @@
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#include "wl12xx_80211.h"
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#include "cmd.h"
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#include "event.h"
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#include "tx.h"
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#define WL1271_CMD_FAST_POLL_COUNT 50
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@ -702,9 +703,9 @@ int wl1271_build_qos_null_data(struct wl1271 *wl)
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wl->basic_rate);
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}
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int wl1271_cmd_set_default_wep_key(struct wl1271 *wl, u8 id)
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int wl1271_cmd_set_sta_default_wep_key(struct wl1271 *wl, u8 id)
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{
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struct wl1271_cmd_set_keys *cmd;
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struct wl1271_cmd_set_sta_keys *cmd;
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int ret = 0;
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wl1271_debug(DEBUG_CMD, "cmd set_default_wep_key %d", id);
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@ -731,11 +732,42 @@ out:
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return ret;
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}
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int wl1271_cmd_set_key(struct wl1271 *wl, u16 action, u8 id, u8 key_type,
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int wl1271_cmd_set_ap_default_wep_key(struct wl1271 *wl, u8 id)
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{
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struct wl1271_cmd_set_ap_keys *cmd;
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int ret = 0;
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wl1271_debug(DEBUG_CMD, "cmd set_ap_default_wep_key %d", id);
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cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
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if (!cmd) {
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ret = -ENOMEM;
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goto out;
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}
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cmd->hlid = WL1271_AP_BROADCAST_HLID;
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cmd->key_id = id;
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cmd->lid_key_type = WEP_DEFAULT_LID_TYPE;
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cmd->key_action = cpu_to_le16(KEY_SET_ID);
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cmd->key_type = KEY_WEP;
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ret = wl1271_cmd_send(wl, CMD_SET_KEYS, cmd, sizeof(*cmd), 0);
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if (ret < 0) {
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wl1271_warning("cmd set_ap_default_wep_key failed: %d", ret);
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goto out;
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}
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out:
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kfree(cmd);
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return ret;
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}
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int wl1271_cmd_set_sta_key(struct wl1271 *wl, u16 action, u8 id, u8 key_type,
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u8 key_size, const u8 *key, const u8 *addr,
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u32 tx_seq_32, u16 tx_seq_16)
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{
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struct wl1271_cmd_set_keys *cmd;
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struct wl1271_cmd_set_sta_keys *cmd;
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int ret = 0;
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cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
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@ -788,6 +820,67 @@ out:
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return ret;
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}
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int wl1271_cmd_set_ap_key(struct wl1271 *wl, u16 action, u8 id, u8 key_type,
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u8 key_size, const u8 *key, u8 hlid, u32 tx_seq_32,
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u16 tx_seq_16)
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{
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struct wl1271_cmd_set_ap_keys *cmd;
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int ret = 0;
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u8 lid_type;
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cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
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if (!cmd)
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return -ENOMEM;
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if (hlid == WL1271_AP_BROADCAST_HLID) {
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if (key_type == KEY_WEP)
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lid_type = WEP_DEFAULT_LID_TYPE;
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else
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lid_type = BROADCAST_LID_TYPE;
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} else {
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lid_type = UNICAST_LID_TYPE;
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}
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wl1271_debug(DEBUG_CRYPT, "ap key action: %d id: %d lid: %d type: %d"
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" hlid: %d", (int)action, (int)id, (int)lid_type,
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(int)key_type, (int)hlid);
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cmd->lid_key_type = lid_type;
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cmd->hlid = hlid;
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cmd->key_action = cpu_to_le16(action);
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cmd->key_size = key_size;
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cmd->key_type = key_type;
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cmd->key_id = id;
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cmd->ac_seq_num16[0] = cpu_to_le16(tx_seq_16);
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cmd->ac_seq_num32[0] = cpu_to_le32(tx_seq_32);
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if (key_type == KEY_TKIP) {
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/*
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* We get the key in the following form:
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* TKIP (16 bytes) - TX MIC (8 bytes) - RX MIC (8 bytes)
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* but the target is expecting:
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* TKIP - RX MIC - TX MIC
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*/
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memcpy(cmd->key, key, 16);
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memcpy(cmd->key + 16, key + 24, 8);
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memcpy(cmd->key + 24, key + 16, 8);
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} else {
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memcpy(cmd->key, key, key_size);
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}
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wl1271_dump(DEBUG_CRYPT, "TARGET AP KEY: ", cmd, sizeof(*cmd));
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ret = wl1271_cmd_send(wl, CMD_SET_KEYS, cmd, sizeof(*cmd), 0);
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if (ret < 0) {
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wl1271_warning("could not set ap keys");
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goto out;
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}
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out:
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kfree(cmd);
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return ret;
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}
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int wl1271_cmd_disconnect(struct wl1271 *wl)
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{
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struct wl1271_cmd_disconnect *cmd;
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@ -850,3 +943,178 @@ out_free:
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out:
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return ret;
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}
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int wl1271_cmd_start_bss(struct wl1271 *wl)
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{
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struct wl1271_cmd_bss_start *cmd;
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struct ieee80211_bss_conf *bss_conf = &wl->vif->bss_conf;
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int ret;
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wl1271_debug(DEBUG_CMD, "cmd start bss");
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/*
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* FIXME: We currently do not support hidden SSID. The real SSID
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* should be fetched from mac80211 first.
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*/
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if (wl->ssid_len == 0) {
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wl1271_warning("Hidden SSID currently not supported for AP");
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ret = -EINVAL;
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goto out;
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}
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cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
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if (!cmd) {
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ret = -ENOMEM;
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goto out;
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}
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memcpy(cmd->bssid, bss_conf->bssid, ETH_ALEN);
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cmd->aging_period = WL1271_AP_DEF_INACTIV_SEC;
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cmd->bss_index = WL1271_AP_BSS_INDEX;
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cmd->global_hlid = WL1271_AP_GLOBAL_HLID;
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cmd->broadcast_hlid = WL1271_AP_BROADCAST_HLID;
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cmd->basic_rate_set = cpu_to_le32(wl->basic_rate_set);
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cmd->beacon_interval = cpu_to_le16(wl->beacon_int);
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cmd->dtim_interval = bss_conf->dtim_period;
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cmd->beacon_expiry = WL1271_AP_DEF_BEACON_EXP;
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cmd->channel = wl->channel;
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cmd->ssid_len = wl->ssid_len;
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cmd->ssid_type = SSID_TYPE_PUBLIC;
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memcpy(cmd->ssid, wl->ssid, wl->ssid_len);
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switch (wl->band) {
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case IEEE80211_BAND_2GHZ:
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cmd->band = RADIO_BAND_2_4GHZ;
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break;
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case IEEE80211_BAND_5GHZ:
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cmd->band = RADIO_BAND_5GHZ;
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break;
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default:
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wl1271_warning("bss start - unknown band: %d", (int)wl->band);
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cmd->band = RADIO_BAND_2_4GHZ;
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break;
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}
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ret = wl1271_cmd_send(wl, CMD_BSS_START, cmd, sizeof(*cmd), 0);
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if (ret < 0) {
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wl1271_error("failed to initiate cmd start bss");
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goto out_free;
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}
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out_free:
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kfree(cmd);
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out:
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return ret;
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}
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int wl1271_cmd_stop_bss(struct wl1271 *wl)
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{
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struct wl1271_cmd_bss_start *cmd;
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int ret;
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wl1271_debug(DEBUG_CMD, "cmd stop bss");
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cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
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if (!cmd) {
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ret = -ENOMEM;
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goto out;
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}
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cmd->bss_index = WL1271_AP_BSS_INDEX;
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ret = wl1271_cmd_send(wl, CMD_BSS_STOP, cmd, sizeof(*cmd), 0);
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if (ret < 0) {
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wl1271_error("failed to initiate cmd stop bss");
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goto out_free;
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}
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out_free:
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kfree(cmd);
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out:
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return ret;
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}
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int wl1271_cmd_add_sta(struct wl1271 *wl, struct ieee80211_sta *sta, u8 hlid)
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{
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struct wl1271_cmd_add_sta *cmd;
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int ret;
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wl1271_debug(DEBUG_CMD, "cmd add sta %d", (int)hlid);
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cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
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if (!cmd) {
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ret = -ENOMEM;
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goto out;
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}
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/* currently we don't support UAPSD */
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cmd->sp_len = 0;
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memcpy(cmd->addr, sta->addr, ETH_ALEN);
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cmd->bss_index = WL1271_AP_BSS_INDEX;
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cmd->aid = sta->aid;
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cmd->hlid = hlid;
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/*
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* FIXME: Does STA support QOS? We need to propagate this info from
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* hostapd. Currently not that important since this is only used for
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* sending the correct flavor of null-data packet in response to a
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* trigger.
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*/
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cmd->wmm = 0;
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cmd->supported_rates = cpu_to_le32(wl1271_tx_enabled_rates_get(wl,
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sta->supp_rates[wl->band]));
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wl1271_debug(DEBUG_CMD, "new sta rates: 0x%x", cmd->supported_rates);
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ret = wl1271_cmd_send(wl, CMD_ADD_STA, cmd, sizeof(*cmd), 0);
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if (ret < 0) {
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wl1271_error("failed to initiate cmd add sta");
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goto out_free;
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}
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out_free:
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kfree(cmd);
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out:
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return ret;
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}
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int wl1271_cmd_remove_sta(struct wl1271 *wl, u8 hlid)
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{
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struct wl1271_cmd_remove_sta *cmd;
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int ret;
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wl1271_debug(DEBUG_CMD, "cmd remove sta %d", (int)hlid);
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cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
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if (!cmd) {
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ret = -ENOMEM;
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goto out;
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}
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cmd->hlid = hlid;
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/* We never send a deauth, mac80211 is in charge of this */
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cmd->reason_opcode = 0;
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cmd->send_deauth_flag = 0;
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ret = wl1271_cmd_send(wl, CMD_REMOVE_STA, cmd, sizeof(*cmd), 0);
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if (ret < 0) {
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wl1271_error("failed to initiate cmd remove sta");
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goto out_free;
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}
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ret = wl1271_cmd_wait_for_event(wl, STA_REMOVE_COMPLETE_EVENT_ID);
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if (ret < 0)
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wl1271_error("cmd remove sta event completion error");
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out_free:
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kfree(cmd);
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out:
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return ret;
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}
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@ -54,12 +54,20 @@ struct sk_buff *wl1271_cmd_build_ap_probe_req(struct wl1271 *wl,
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int wl1271_cmd_build_arp_rsp(struct wl1271 *wl, __be32 ip_addr);
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int wl1271_build_qos_null_data(struct wl1271 *wl);
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int wl1271_cmd_build_klv_null_data(struct wl1271 *wl);
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int wl1271_cmd_set_default_wep_key(struct wl1271 *wl, u8 id);
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int wl1271_cmd_set_key(struct wl1271 *wl, u16 action, u8 id, u8 key_type,
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u8 key_size, const u8 *key, const u8 *addr,
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u32 tx_seq_32, u16 tx_seq_16);
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int wl1271_cmd_set_sta_default_wep_key(struct wl1271 *wl, u8 id);
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int wl1271_cmd_set_ap_default_wep_key(struct wl1271 *wl, u8 id);
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int wl1271_cmd_set_sta_key(struct wl1271 *wl, u16 action, u8 id, u8 key_type,
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u8 key_size, const u8 *key, const u8 *addr,
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u32 tx_seq_32, u16 tx_seq_16);
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int wl1271_cmd_set_ap_key(struct wl1271 *wl, u16 action, u8 id, u8 key_type,
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u8 key_size, const u8 *key, u8 hlid, u32 tx_seq_32,
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u16 tx_seq_16);
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int wl1271_cmd_disconnect(struct wl1271 *wl);
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int wl1271_cmd_set_sta_state(struct wl1271 *wl);
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int wl1271_cmd_start_bss(struct wl1271 *wl);
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int wl1271_cmd_stop_bss(struct wl1271 *wl);
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int wl1271_cmd_add_sta(struct wl1271 *wl, struct ieee80211_sta *sta, u8 hlid);
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int wl1271_cmd_remove_sta(struct wl1271 *wl, u8 hlid);
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enum wl1271_commands {
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CMD_INTERROGATE = 1, /*use this to read information elements*/
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@ -98,6 +106,12 @@ enum wl1271_commands {
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CMD_STOP_PERIODIC_SCAN = 51,
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CMD_SET_STA_STATE = 52,
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/* AP mode commands */
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CMD_BSS_START = 60,
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CMD_BSS_STOP = 61,
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CMD_ADD_STA = 62,
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CMD_REMOVE_STA = 63,
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NUM_COMMANDS,
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MAX_COMMAND_ID = 0xFFFF,
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};
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@ -289,7 +303,7 @@ enum wl1271_cmd_key_type {
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/* FIXME: Add description for key-types */
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struct wl1271_cmd_set_keys {
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struct wl1271_cmd_set_sta_keys {
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struct wl1271_cmd_header header;
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/* Ignored for default WEP key */
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@ -318,6 +332,57 @@ struct wl1271_cmd_set_keys {
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__le32 ac_seq_num32[NUM_ACCESS_CATEGORIES_COPY];
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} __packed;
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enum wl1271_cmd_lid_key_type {
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UNICAST_LID_TYPE = 0,
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BROADCAST_LID_TYPE = 1,
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WEP_DEFAULT_LID_TYPE = 2
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};
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struct wl1271_cmd_set_ap_keys {
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struct wl1271_cmd_header header;
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/*
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* Indicates whether the HLID is a unicast key set
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* or broadcast key set. A special value 0xFF is
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* used to indicate that the HLID is on WEP-default
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* (multi-hlids). of type wl1271_cmd_lid_key_type.
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*/
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u8 hlid;
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/*
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* In WEP-default network (hlid == 0xFF) used to
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* indicate which network STA/IBSS/AP role should be
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* changed
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*/
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u8 lid_key_type;
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/*
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* Key ID - For TKIP and AES key types, this field
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* indicates the value that should be inserted into
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* the KeyID field of frames transmitted using this
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* key entry. For broadcast keys the index use as a
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* marker for TX/RX key.
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* For WEP default network (HLID=0xFF), this field
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* indicates the ID of the key to add or remove.
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*/
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u8 key_id;
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u8 reserved_1;
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/* key_action_e */
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__le16 key_action;
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/* key size in bytes */
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u8 key_size;
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/* key_type_e */
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u8 key_type;
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/* This field holds the security key data to add to the STA table */
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u8 key[MAX_KEY_SIZE];
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__le16 ac_seq_num16[NUM_ACCESS_CATEGORIES_COPY];
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__le32 ac_seq_num32[NUM_ACCESS_CATEGORIES_COPY];
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} __packed;
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struct wl1271_cmd_test_header {
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u8 id;
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u8 padding[3];
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@ -412,4 +477,68 @@ struct wl1271_cmd_set_sta_state {
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u8 padding[3];
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} __packed;
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enum wl1271_ssid_type {
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SSID_TYPE_PUBLIC = 0,
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SSID_TYPE_HIDDEN = 1
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};
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struct wl1271_cmd_bss_start {
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struct wl1271_cmd_header header;
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/* wl1271_ssid_type */
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u8 ssid_type;
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u8 ssid_len;
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u8 ssid[IW_ESSID_MAX_SIZE];
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u8 padding_1[2];
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/* Basic rate set */
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__le32 basic_rate_set;
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/* Aging period in seconds*/
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__le16 aging_period;
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/*
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* This field specifies the time between target beacon
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* transmission times (TBTTs), in time units (TUs).
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* Valid values are 1 to 1024.
|
||||
*/
|
||||
__le16 beacon_interval;
|
||||
u8 bssid[ETH_ALEN];
|
||||
u8 bss_index;
|
||||
/* Radio band */
|
||||
u8 band;
|
||||
u8 channel;
|
||||
/* The host link id for the AP's global queue */
|
||||
u8 global_hlid;
|
||||
/* The host link id for the AP's broadcast queue */
|
||||
u8 broadcast_hlid;
|
||||
/* DTIM count */
|
||||
u8 dtim_interval;
|
||||
/* Beacon expiry time in ms */
|
||||
u8 beacon_expiry;
|
||||
u8 padding_2[3];
|
||||
} __packed;
|
||||
|
||||
struct wl1271_cmd_add_sta {
|
||||
struct wl1271_cmd_header header;
|
||||
|
||||
u8 addr[ETH_ALEN];
|
||||
u8 hlid;
|
||||
u8 aid;
|
||||
u8 psd_type[NUM_ACCESS_CATEGORIES_COPY];
|
||||
__le32 supported_rates;
|
||||
u8 bss_index;
|
||||
u8 sp_len;
|
||||
u8 wmm;
|
||||
u8 padding1;
|
||||
} __packed;
|
||||
|
||||
struct wl1271_cmd_remove_sta {
|
||||
struct wl1271_cmd_header header;
|
||||
|
||||
u8 hlid;
|
||||
u8 reason_opcode;
|
||||
u8 send_deauth_flag;
|
||||
u8 padding1;
|
||||
} __packed;
|
||||
|
||||
#endif /* __WL1271_CMD_H__ */
|
||||
|
|
|
|||
|
|
@ -41,7 +41,7 @@ static int wl1271_init_hwenc_config(struct wl1271 *wl)
|
|||
return ret;
|
||||
}
|
||||
|
||||
ret = wl1271_cmd_set_default_wep_key(wl, wl->default_key);
|
||||
ret = wl1271_cmd_set_sta_default_wep_key(wl, wl->default_key);
|
||||
if (ret < 0) {
|
||||
wl1271_warning("couldn't set default key");
|
||||
return ret;
|
||||
|
|
|
|||
|
|
@ -1712,7 +1712,7 @@ static int wl1271_op_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
|
|||
|
||||
switch (cmd) {
|
||||
case SET_KEY:
|
||||
ret = wl1271_cmd_set_key(wl, KEY_ADD_OR_REPLACE,
|
||||
ret = wl1271_cmd_set_sta_key(wl, KEY_ADD_OR_REPLACE,
|
||||
key_conf->keyidx, key_type,
|
||||
key_conf->keylen, key_conf->key,
|
||||
addr, tx_seq_32, tx_seq_16);
|
||||
|
|
@ -1723,7 +1723,7 @@ static int wl1271_op_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
|
|||
|
||||
/* the default WEP key needs to be configured at least once */
|
||||
if (key_type == KEY_WEP) {
|
||||
ret = wl1271_cmd_set_default_wep_key(wl,
|
||||
ret = wl1271_cmd_set_sta_default_wep_key(wl,
|
||||
wl->default_key);
|
||||
if (ret < 0)
|
||||
goto out_sleep;
|
||||
|
|
@ -1738,7 +1738,7 @@ static int wl1271_op_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
|
|||
if (!is_broadcast_ether_addr(addr))
|
||||
break;
|
||||
|
||||
ret = wl1271_cmd_set_key(wl, KEY_REMOVE,
|
||||
ret = wl1271_cmd_set_sta_key(wl, KEY_REMOVE,
|
||||
key_conf->keyidx, key_type,
|
||||
key_conf->keylen, key_conf->key,
|
||||
addr, 0, 0);
|
||||
|
|
|
|||
|
|
@ -170,7 +170,7 @@ static int wl1271_prepare_tx_frame(struct wl1271 *wl, struct sk_buff *skb,
|
|||
|
||||
/* FIXME: do we have to do this if we're not using WEP? */
|
||||
if (unlikely(wl->default_key != idx)) {
|
||||
ret = wl1271_cmd_set_default_wep_key(wl, idx);
|
||||
ret = wl1271_cmd_set_sta_default_wep_key(wl, idx);
|
||||
if (ret < 0)
|
||||
return ret;
|
||||
wl->default_key = idx;
|
||||
|
|
|
|||
|
|
@ -129,6 +129,14 @@ extern u32 wl12xx_debug_level;
|
|||
#define WL1271_DEFAULT_BEACON_INT 100
|
||||
#define WL1271_DEFAULT_DTIM_PERIOD 1
|
||||
|
||||
#define WL1271_AP_GLOBAL_HLID 0
|
||||
#define WL1271_AP_BROADCAST_HLID 1
|
||||
#define WL1271_AP_STA_HLID_START 2
|
||||
|
||||
#define WL1271_AP_BSS_INDEX 0
|
||||
#define WL1271_AP_DEF_INACTIV_SEC 300
|
||||
#define WL1271_AP_DEF_BEACON_EXP 20
|
||||
|
||||
#define ACX_TX_DESCRIPTORS 32
|
||||
|
||||
#define WL1271_AGGR_BUFFER_SIZE (4 * PAGE_SIZE)
|
||||
|
|
|
|||
Loading…
Reference in New Issue