[PATCH] Add join implementation for connecting to BSS
Eugene Krasnikov
k.eugene.e at gmail.com
Mon Apr 15 11:51:29 EDT 2013
Hi All,
This is the initial version of join implementation. Please review and
come back if you have any suggestions what to improve.
2013/4/15 Eugene Krasnikov <k.eugene.e at gmail.com>:
> From 845b14661e4d798d916edd3f8a009374e7d75896 Mon Sep 17 00:00:00 2001
> From: Eugene Krasnikov <k.eugene.e at gmail.com>
> Date: Mon, 15 Apr 2013 11:25:21 +0200
> Subject: [PATCH] Add join implementation for connecting to BSS
>
> Send CONFIG_BSS and JOIN before sending AUTH frame
>
> Signed-off-by: Eugene Krasnikov <k.eugene.e at gmail.com>
> ---
> main.c | 23 ++++++++++++++++++-
> smd.c | 79 ++++++++++++++++++++++++++++++++++++++++++----------------------
> smd.h | 2 +-
> 3 files changed, 75 insertions(+), 29 deletions(-)
>
> diff --git a/main.c b/main.c
> index 8117733..e55e958 100644
> --- a/main.c
> +++ b/main.c
> @@ -102,6 +102,7 @@ static int wcn36xx_config(struct ieee80211_hw *hw,
> u32 changed)
> ENTER();
> if (changed & IEEE80211_CONF_CHANGE_CHANNEL) {
> wcn->ch = ieee80211_frequency_to_channel(hw->conf.channel->center_freq);
> + wcn36xx_info("wcn36xx_config channel switch=%d", wcn->ch);
> }
>
> return 0;
> @@ -206,12 +207,17 @@ static void wcn36xx_bss_info_changed(struct
> ieee80211_hw *hw,
> ENTER();
>
> if(changed & BSS_CHANGED_BSSID) {
> + wcn36xx_info("wcn36xx_bss_info_changed
> BSS_CHANGED_BSSID=%02x,%02x,%02x,%02x,%02x,%02x",bss_conf->bssid[0],
> bss_conf->bssid[1], bss_conf->bssid[2], bss_conf->bssid[3],
> bss_conf->bssid[4], bss_conf->bssid[5]);
> + wcn36xx_smd_enter_imps(wcn);
> + wcn36xx_smd_exit_imps(wcn);
> +
> wcn36xx_smd_join(wcn, (u8*)bss_conf->bssid, vif->addr, wcn->ch);
> + wcn36xx_smd_config_bss(wcn, true, (u8*)bss_conf->bssid);
> } else if (changed & BSS_CHANGED_BEACON_ENABLED){
> if(!wcn->beacon_enable) {
> wcn->beacon_enable = true;
> skb = ieee80211_beacon_get_tim(hw, vif, &tim_off, &tim_len);
> - wcn36xx_smd_config_bss(wcn);
> + wcn36xx_smd_config_bss(wcn, false, NULL);
> wcn36xx_smd_send_beacon(wcn, skb, tim_off, 0);
> }
> } else {
> @@ -301,6 +307,19 @@ static int wcn36xx_add_interface(struct ieee80211_hw *hw,
>
> return 0;
> }
> +static int wcn36xx_sta_add(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
> + struct ieee80211_sta *sta)
> +{
> + ENTER();
> + return 0;
> +}
> +static int wcn36xx_sta_remove(struct ieee80211_hw *hw, struct
> ieee80211_vif *vif,
> + struct ieee80211_sta *sta)
> +{
> + ENTER();
> + return 0;
> +}
> +
> static const struct ieee80211_ops wcn36xx_ops = {
> .start = wcn36xx_start,
> .stop = wcn36xx_stop,
> @@ -322,6 +341,8 @@ static const struct ieee80211_ops wcn36xx_ops = {
> .bss_info_changed = wcn36xx_bss_info_changed,
> .set_frag_threshold = wcn36xx_set_frag_threshold,
> .set_rts_threshold = wcn36xx_set_rts_threshold,
> + .sta_add = wcn36xx_sta_add,
> + .sta_remove = wcn36xx_sta_remove,
> .get_survey = wcn36xx_get_survey,
> .ampdu_action = wcn36xx_ampdu_action,
> .tx_frames_pending = wcn36xx_tx_frames_pending,
> diff --git a/smd.c b/smd.c
> index ea374a0..74f551e 100644
> --- a/smd.c
> +++ b/smd.c
> @@ -292,7 +292,7 @@ int wcn36xx_smd_join(struct wcn36xx *wcn, u8
> *bssid, u8 *vif, u8 ch)
> memcpy(&msg_body.sta_mac, vif, ETH_ALEN);
> msg_body.ch = ch;
> msg_body.link_state = 1;
> -
> + msg_body.max_power = 0xbf;
> PREPARE_BUF(wcn->smd_buf, msg_header, &msg_body)
>
> return wcn36xx_smd_send_and_wait(wcn, msg_header.msg_len);
> @@ -311,45 +311,65 @@ static int wcn36xx_smd_join_rsp(void *buf, size_t len)
> rsp->status, rsp->power);
> return 0;
> }
> -int wcn36xx_smd_config_bss(struct wcn36xx *wcn)
> +int wcn36xx_smd_config_bss(struct wcn36xx *wcn, bool sta_mode, u8 *bssid)
> {
> struct wcn36xx_fw_msg_config_bss_req msg_body;
> struct wcn36xx_fw_msg_header msg_header;
>
> INIT_MSG(msg_header, &msg_body, WCN36XX_FW_MSG_TYPE_CONFIG_BSS_REQ)
>
> - memcpy(&msg_body.bssid, &wcn->addresses[0], ETH_ALEN);
> - memcpy(&msg_body.self_mac, &wcn->addresses[0], ETH_ALEN);
> -
> - //TODO do all this configurabel
> - msg_body.bss_type = WCN36XX_FW_MSG_BSS_TYPE_AP;
> - msg_body.oper_mode = 0; //0 - AP, 1-STA
> - msg_body.net_type = WCN36XX_FW_MSG_NET_TYPE_11G;
> - msg_body.short_slot_time = 1;
> - msg_body.beacon_interval = 0x64;
> - msg_body.dtim_period = 2;
> - msg_body.cur_op_ch = 1;
> - msg_body.ssid.len = 1;
> - msg_body.ssid.ssid[0] = 'K';
> - msg_body.obss_prot = 1;
> - msg_body.hal_pers = 1;
> - msg_body.max_tx_power = 0x10;
> -
> - memcpy(&msg_body.sta_context.bssid, &wcn->addresses[0], ETH_ALEN);
> - msg_body.sta_context.short_pream_sup = 1;
> - memcpy(&msg_body.sta_context.sta_mac, &wcn->addresses[0], ETH_ALEN);
> - msg_body.sta_context.listen_int = 8;
> + if(true == sta_mode) {
> + memcpy(&msg_body.bssid, bssid, ETH_ALEN);
> + memcpy(&msg_body.self_mac, &wcn->addresses[0], ETH_ALEN);
> + msg_body.bss_type = WCN36XX_FW_MSG_BSS_TYPE_STA;
> + msg_body.oper_mode = 1; //0 - AP, 1-STA
> + msg_body.net_type = WCN36XX_FW_MSG_NET_TYPE_11G;
> + msg_body.coex_11g = 1;
> + msg_body.beacon_interval = 0x64;
> + msg_body.dtim_period = 1;
> + msg_body.cur_op_ch = wcn->ch;
> + memcpy(&msg_body.sta_context.bssid, bssid, ETH_ALEN);
> + msg_body.sta_context.sta_type = 1;
> + msg_body.sta_context.listen_int = 0x64;
> + msg_body.sta_context.wmm_en = 1;
> +
> + msg_body.sta_context.max_ampdu_size = 3;
> + msg_body.sta_context.max_ampdu_dens = 5;
> + msg_body.sta_context.dsss_cck_mode_40mhz = 1;
> + msg_body.max_tx_power = 0x14;
> + } else {
> + memcpy(&msg_body.bssid, &wcn->addresses[0], ETH_ALEN);
> + memcpy(&msg_body.self_mac, &wcn->addresses[0], ETH_ALEN);
> +
> + //TODO do all this configurabel
> + msg_body.bss_type = WCN36XX_FW_MSG_BSS_TYPE_AP;
> + msg_body.oper_mode = 0; //0 - AP, 1-STA
> + msg_body.net_type = WCN36XX_FW_MSG_NET_TYPE_11G;
> + msg_body.short_slot_time = 1;
> + msg_body.beacon_interval = 0x64;
> + msg_body.dtim_period = 2;
> + msg_body.cur_op_ch = 1;
> + msg_body.ssid.len = 1;
> + msg_body.ssid.ssid[0] = 'K';
> + msg_body.obss_prot = 1;
> + msg_body.hal_pers = 1;
> + msg_body.max_tx_power = 0x10;
> +
> + memcpy(&msg_body.sta_context.bssid, &wcn->addresses[0], ETH_ALEN);
> + msg_body.sta_context.short_pream_sup = 1;
> + memcpy(&msg_body.sta_context.sta_mac, &wcn->addresses[0], ETH_ALEN);
> + msg_body.sta_context.listen_int = 8;
> +
> + }
> msg_body.sta_context.ht_cap = 1;
> +
> msg_body.sta_context.short_gi40mhz = 1;
> msg_body.sta_context.short_gi20mhz = 1;
> +
> msg_body.sta_context.sta_id = 0xff;
> msg_body.sta_context.bss_id = 0xff;
>
> msg_body.sta_context.supported_rates.sta_rate_mode =
> WCN36XX_FW_MSG_STA_RATE_MODE_11N;
> - msg_body.sta_context.supported_rates.rates_11b[0] = 0x82;
> - msg_body.sta_context.supported_rates.rates_11b[1] = 0x84;
> - msg_body.sta_context.supported_rates.rates_11b[2] = 0x8b;
> - msg_body.sta_context.supported_rates.rates_11b[3] = 0x96;
>
> msg_body.sta_context.supported_rates.rates_11a[0] = 0x0C;
> msg_body.sta_context.supported_rates.rates_11a[1] = 0x12;
> @@ -360,6 +380,11 @@ int wcn36xx_smd_config_bss(struct wcn36xx *wcn)
> msg_body.sta_context.supported_rates.rates_11a[6] = 0x60;
> msg_body.sta_context.supported_rates.rates_11a[7] = 0x6C;
>
> + msg_body.sta_context.supported_rates.rates_11b[0] = 0x82;
> + msg_body.sta_context.supported_rates.rates_11b[1] = 0x84;
> + msg_body.sta_context.supported_rates.rates_11b[2] = 0x8b;
> + msg_body.sta_context.supported_rates.rates_11b[3] = 0x96;
> +
> msg_body.sta_context.supported_rates.supported_mcs_set[0] = 0xFF;
> PREPARE_BUF(wcn->smd_buf, msg_header, &msg_body)
>
> diff --git a/smd.h b/smd.h
> index d1cef07..e80394b 100644
> --- a/smd.h
> +++ b/smd.h
> @@ -421,7 +421,7 @@ int wcn36xx_smd_add_sta(struct wcn36xx *wcn,
> struct mac_address addr, u32 status
> int wcn36xx_smd_enter_imps(struct wcn36xx *wcn);
> int wcn36xx_smd_exit_imps(struct wcn36xx *wcn);
> int wcn36xx_smd_join(struct wcn36xx *wcn, u8 *bssid, u8 *vif, u8 ch);
> -int wcn36xx_smd_config_bss(struct wcn36xx *wcn);
> +int wcn36xx_smd_config_bss(struct wcn36xx *wcn, bool sta_mode, u8 *bssid);
> int wcn36xx_smd_send_beacon(struct wcn36xx *wcn, struct sk_buff
> *skb_beacon, u16 tim_off, u16 p2p_off);
>
> // WCN36XX configuration parameters
> --
> 1.7.10
--
Best regards,
Eugene
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