From 6a7c9badab158086b6162c661a47c4f1a4a68e92 Mon Sep 17 00:00:00 2001 From: Jouni Malinen Date: Tue, 30 Aug 2011 21:57:50 +0300 Subject: [PATCH] ath6kl: Add functionality for starting AP mode Use cfg80211 add/del_beacon callbacks for starting/stopping AP mode and set_beacon to update AP configuration (mainly, to update Beacon and Probe Response IEs). Signed-off-by: Jouni Malinen Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/ath6kl/cfg80211.c | 179 +++++++++++++++++++++ drivers/net/wireless/ath/ath6kl/core.h | 2 + drivers/net/wireless/ath/ath6kl/wmi.c | 45 ++++++ drivers/net/wireless/ath/ath6kl/wmi.h | 20 +++ 4 files changed, 246 insertions(+) diff --git a/drivers/net/wireless/ath/ath6kl/cfg80211.c b/drivers/net/wireless/ath/ath6kl/cfg80211.c index 9128aa3c2b63..4752a76e13cd 100644 --- a/drivers/net/wireless/ath/ath6kl/cfg80211.c +++ b/drivers/net/wireless/ath/ath6kl/cfg80211.c @@ -1435,6 +1435,181 @@ static int ar6k_cfg80211_suspend(struct wiphy *wiphy, } #endif +static int ath6kl_set_channel(struct wiphy *wiphy, struct net_device *dev, + struct ieee80211_channel *chan, + enum nl80211_channel_type channel_type) +{ + struct ath6kl *ar = ath6kl_priv(dev); + + if (!ath6kl_cfg80211_ready(ar)) + return -EIO; + + ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: center_freq=%u hw_value=%u\n", + __func__, chan->center_freq, chan->hw_value); + ar->next_chan = chan->center_freq; + + return 0; +} + +static int ath6kl_ap_beacon(struct wiphy *wiphy, struct net_device *dev, + struct beacon_parameters *info, bool add) +{ + struct ath6kl *ar = ath6kl_priv(dev); + struct ieee80211_mgmt *mgmt; + u8 *ies; + int ies_len; + struct wmi_connect_cmd p; + int res; + int i; + + ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: add=%d\n", __func__, add); + + if (!ath6kl_cfg80211_ready(ar)) + return -EIO; + + if (ar->next_mode != AP_NETWORK) + return -EOPNOTSUPP; + + if (info->beacon_ies) { + res = ath6kl_wmi_set_appie_cmd(ar->wmi, WMI_FRAME_BEACON, + info->beacon_ies, + info->beacon_ies_len); + if (res) + return res; + } + if (info->proberesp_ies) { + res = ath6kl_wmi_set_appie_cmd(ar->wmi, WMI_FRAME_PROBE_RESP, + info->proberesp_ies, + info->proberesp_ies_len); + if (res) + return res; + } + if (info->assocresp_ies) { + res = ath6kl_wmi_set_appie_cmd(ar->wmi, WMI_FRAME_ASSOC_RESP, + info->assocresp_ies, + info->assocresp_ies_len); + if (res) + return res; + } + + if (!add) + return 0; + + /* TODO: + * info->interval + * info->dtim_period + */ + + if (info->head == NULL) + return -EINVAL; + mgmt = (struct ieee80211_mgmt *) info->head; + ies = mgmt->u.beacon.variable; + if (ies > info->head + info->head_len) + return -EINVAL; + ies_len = info->head + info->head_len - ies; + + if (info->ssid == NULL) + return -EINVAL; + memcpy(ar->ssid, info->ssid, info->ssid_len); + ar->ssid_len = info->ssid_len; + if (info->hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE) + return -EOPNOTSUPP; /* TODO */ + + ar->dot11_auth_mode = OPEN_AUTH; + + memset(&p, 0, sizeof(p)); + + for (i = 0; i < info->crypto.n_akm_suites; i++) { + switch (info->crypto.akm_suites[i]) { + case WLAN_AKM_SUITE_8021X: + if (info->crypto.wpa_versions & NL80211_WPA_VERSION_1) + p.auth_mode |= WPA_AUTH; + if (info->crypto.wpa_versions & NL80211_WPA_VERSION_2) + p.auth_mode |= WPA2_AUTH; + break; + case WLAN_AKM_SUITE_PSK: + if (info->crypto.wpa_versions & NL80211_WPA_VERSION_1) + p.auth_mode |= WPA_PSK_AUTH; + if (info->crypto.wpa_versions & NL80211_WPA_VERSION_2) + p.auth_mode |= WPA2_PSK_AUTH; + break; + } + } + if (p.auth_mode == 0) + p.auth_mode = NONE_AUTH; + ar->auth_mode = p.auth_mode; + + for (i = 0; i < info->crypto.n_ciphers_pairwise; i++) { + switch (info->crypto.ciphers_pairwise[i]) { + case WLAN_CIPHER_SUITE_WEP40: + case WLAN_CIPHER_SUITE_WEP104: + p.prwise_crypto_type |= WEP_CRYPT; + break; + case WLAN_CIPHER_SUITE_TKIP: + p.prwise_crypto_type |= TKIP_CRYPT; + break; + case WLAN_CIPHER_SUITE_CCMP: + p.prwise_crypto_type |= AES_CRYPT; + break; + } + } + if (p.prwise_crypto_type == 0) + p.prwise_crypto_type = NONE_CRYPT; + + switch (info->crypto.cipher_group) { + case WLAN_CIPHER_SUITE_WEP40: + case WLAN_CIPHER_SUITE_WEP104: + p.grp_crypto_type = WEP_CRYPT; + break; + case WLAN_CIPHER_SUITE_TKIP: + p.grp_crypto_type = TKIP_CRYPT; + break; + case WLAN_CIPHER_SUITE_CCMP: + p.grp_crypto_type = AES_CRYPT; + break; + default: + p.grp_crypto_type = NONE_CRYPT; + break; + } + + p.nw_type = AP_NETWORK; + ar->nw_type = ar->next_mode; + + p.ssid_len = ar->ssid_len; + memcpy(p.ssid, ar->ssid, ar->ssid_len); + p.dot11_auth_mode = ar->dot11_auth_mode; + p.ch = cpu_to_le16(ar->next_chan); + + return ath6kl_wmi_ap_profile_commit(ar->wmi, &p); +} + +static int ath6kl_add_beacon(struct wiphy *wiphy, struct net_device *dev, + struct beacon_parameters *info) +{ + return ath6kl_ap_beacon(wiphy, dev, info, true); +} + +static int ath6kl_set_beacon(struct wiphy *wiphy, struct net_device *dev, + struct beacon_parameters *info) +{ + return ath6kl_ap_beacon(wiphy, dev, info, false); +} + +static int ath6kl_del_beacon(struct wiphy *wiphy, struct net_device *dev) +{ + struct ath6kl *ar = ath6kl_priv(dev); + + if (ar->nw_type != AP_NETWORK) + return -EOPNOTSUPP; + if (!test_bit(CONNECTED, &ar->flag)) + return -ENOTCONN; + + ath6kl_wmi_disconnect_cmd(ar->wmi); + clear_bit(CONNECTED, &ar->flag); + + return 0; +} + static struct cfg80211_ops ath6kl_cfg80211_ops = { .change_virtual_intf = ath6kl_cfg80211_change_iface, .scan = ath6kl_cfg80211_scan, @@ -1457,6 +1632,10 @@ static struct cfg80211_ops ath6kl_cfg80211_ops = { #ifdef CONFIG_PM .suspend = ar6k_cfg80211_suspend, #endif + .set_channel = ath6kl_set_channel, + .add_beacon = ath6kl_add_beacon, + .set_beacon = ath6kl_set_beacon, + .del_beacon = ath6kl_del_beacon, }; struct wireless_dev *ath6kl_cfg80211_init(struct device *dev) diff --git a/drivers/net/wireless/ath/ath6kl/core.h b/drivers/net/wireless/ath/ath6kl/core.h index c5537b3f77c8..00d0add2ab46 100644 --- a/drivers/net/wireless/ath/ath6kl/core.h +++ b/drivers/net/wireless/ath/ath6kl/core.h @@ -468,6 +468,8 @@ struct ath6kl { struct ath6kl_node_table scan_table; struct dentry *debugfs_phy; + + u16 next_chan; }; static inline void *ath6kl_priv(struct net_device *dev) diff --git a/drivers/net/wireless/ath/ath6kl/wmi.c b/drivers/net/wireless/ath/ath6kl/wmi.c index d116d0e337de..0114a7136977 100644 --- a/drivers/net/wireless/ath/ath6kl/wmi.c +++ b/drivers/net/wireless/ath/ath6kl/wmi.c @@ -1399,6 +1399,8 @@ int ath6kl_wmi_cmd_send(struct wmi *wmi, struct sk_buff *skb, enum htc_endpoint_id ep_id = wmi->ep_id; int ret; + ath6kl_dbg(ATH6KL_DBG_WMI, "%s: cmd_id=%d\n", __func__, cmd_id); + if (WARN_ON(skb == NULL)) return -EINVAL; @@ -2392,6 +2394,29 @@ static int ath6kl_wmi_delba_req_event_rx(struct wmi *wmi, u8 *datap, int len) } /* AP mode functions */ + +int ath6kl_wmi_ap_profile_commit(struct wmi *wmip, struct wmi_connect_cmd *p) +{ + struct sk_buff *skb; + struct wmi_connect_cmd *cm; + int res; + + skb = ath6kl_wmi_get_new_buf(sizeof(*cm)); + if (!skb) + return -ENOMEM; + + cm = (struct wmi_connect_cmd *) skb->data; + memcpy(cm, p, sizeof(*cm)); + + res = ath6kl_wmi_cmd_send(wmip, skb, WMI_AP_CONFIG_COMMIT_CMDID, + NO_SYNC_WMIFLAG); + ath6kl_dbg(ATH6KL_DBG_WMI, "%s: nw_type=%u auth_mode=%u ch=%u " + "ctrl_flags=0x%x-> res=%d\n", + __func__, p->nw_type, p->auth_mode, le16_to_cpu(p->ch), + le32_to_cpu(p->ctrl_flags), res); + return res; +} + static int ath6kl_wmi_pspoll_event_rx(struct wmi *wmi, u8 *datap, int len) { struct wmi_pspoll_event *ev; @@ -2456,6 +2481,26 @@ int ath6kl_wmi_set_rx_frame_format_cmd(struct wmi *wmi, u8 rx_meta_ver, return ret; } +int ath6kl_wmi_set_appie_cmd(struct wmi *wmi, u8 mgmt_frm_type, const u8 *ie, + u8 ie_len) +{ + struct sk_buff *skb; + struct wmi_set_appie_cmd *p; + + skb = ath6kl_wmi_get_new_buf(sizeof(*p) + ie_len); + if (!skb) + return -ENOMEM; + + ath6kl_dbg(ATH6KL_DBG_WMI, "set_appie_cmd: mgmt_frm_type=%u " + "ie_len=%u\n", mgmt_frm_type, ie_len); + p = (struct wmi_set_appie_cmd *) skb->data; + p->mgmt_frm_type = mgmt_frm_type; + p->ie_len = ie_len; + memcpy(p->ie_info, ie, ie_len); + return ath6kl_wmi_cmd_send(wmi, skb, WMI_SET_APPIE_CMDID, + NO_SYNC_WMIFLAG); +} + static int ath6kl_wmi_control_rx_xtnd(struct wmi *wmi, struct sk_buff *skb) { struct wmix_cmd_hdr *cmd; diff --git a/drivers/net/wireless/ath/ath6kl/wmi.h b/drivers/net/wireless/ath/ath6kl/wmi.h index 8fa5d6e46f0e..6bdfd4a86111 100644 --- a/drivers/net/wireless/ath/ath6kl/wmi.h +++ b/drivers/net/wireless/ath/ath6kl/wmi.h @@ -503,6 +503,15 @@ enum wmi_cmd_id { WMI_SET_EXCESS_TX_RETRY_THRES_CMDID, }; +enum wmi_mgmt_frame_type { + WMI_FRAME_BEACON = 0, + WMI_FRAME_PROBE_REQ, + WMI_FRAME_PROBE_RESP, + WMI_FRAME_ASSOC_REQ, + WMI_FRAME_ASSOC_RESP, + WMI_NUM_MGMT_FRAME +}; + /* WMI_CONNECT_CMDID */ enum network_type { INFRA_NETWORK = 0x01, @@ -1642,6 +1651,12 @@ struct wmi_get_keepalive_cmd { u8 keep_alive_intvl; } __packed; +struct wmi_set_appie_cmd { + u8 mgmt_frm_type; /* enum wmi_mgmt_frame_type */ + u8 ie_len; + u8 ie_info[0]; +} __packed; + /* Notify the WSC registration status to the target */ #define WSC_REG_ACTIVE 1 #define WSC_REG_INACTIVE 0 @@ -2006,11 +2021,16 @@ struct bss *ath6kl_wmi_find_ssid_node(struct wmi *wmi, u8 *ssid, void ath6kl_wmi_node_return(struct wmi *wmi, struct bss *bss); /* AP mode */ +int ath6kl_wmi_ap_profile_commit(struct wmi *wmip, struct wmi_connect_cmd *p); + int ath6kl_wmi_set_pvb_cmd(struct wmi *wmi, u16 aid, bool flag); int ath6kl_wmi_set_rx_frame_format_cmd(struct wmi *wmi, u8 rx_meta_version, bool rx_dot11_hdr, bool defrag_on_host); +int ath6kl_wmi_set_appie_cmd(struct wmi *wmi, u8 mgmt_frm_type, const u8 *ie, + u8 ie_len); + void *ath6kl_wmi_init(struct ath6kl *devt); void ath6kl_wmi_shutdown(struct wmi *wmi); -- 2.20.1