diff options
Diffstat (limited to 'drivers/net/wireless/ath/wil6210/cfg80211.c')
-rw-r--r-- | drivers/net/wireless/ath/wil6210/cfg80211.c | 244 |
1 files changed, 130 insertions, 114 deletions
diff --git a/drivers/net/wireless/ath/wil6210/cfg80211.c b/drivers/net/wireless/ath/wil6210/cfg80211.c index c79cfe0..20d07ef 100644 --- a/drivers/net/wireless/ath/wil6210/cfg80211.c +++ b/drivers/net/wireless/ath/wil6210/cfg80211.c @@ -336,12 +336,9 @@ static int wil_cfg80211_scan(struct wiphy *wiphy, else wil_dbg_misc(wil, "Scan has no IE's\n"); - rc = wmi_set_ie(wil, WMI_FRAME_PROBE_REQ, request->ie_len, - request->ie); - if (rc) { - wil_err(wil, "Aborting scan, set_ie failed: %d\n", rc); + rc = wmi_set_ie(wil, WMI_FRAME_PROBE_REQ, request->ie_len, request->ie); + if (rc) goto out; - } rc = wmi_send(wil, WMI_START_SCAN_CMDID, &cmd, sizeof(cmd.cmd) + cmd.cmd.num_channels * sizeof(cmd.cmd.channel_list[0])); @@ -462,10 +459,8 @@ static int wil_cfg80211_connect(struct wiphy *wiphy, * ies in FW. */ rc = wmi_set_ie(wil, WMI_FRAME_ASSOC_REQ, sme->ie_len, sme->ie); - if (rc) { - wil_err(wil, "WMI_SET_APPIE_CMD failed\n"); + if (rc) goto out; - } /* WMI_CONNECT_CMD */ memset(&conn, 0, sizeof(conn)); @@ -722,17 +717,98 @@ static int wil_fix_bcon(struct wil6210_priv *wil, { struct ieee80211_mgmt *f = (struct ieee80211_mgmt *)bcon->probe_resp; size_t hlen = offsetof(struct ieee80211_mgmt, u.probe_resp.variable); - int rc = 0; if (bcon->probe_resp_len <= hlen) return 0; +/* always use IE's from full probe frame, they has more info + * notable RSN + */ + bcon->proberesp_ies = f->u.probe_resp.variable; + bcon->proberesp_ies_len = bcon->probe_resp_len - hlen; if (!bcon->assocresp_ies) { - bcon->assocresp_ies = f->u.probe_resp.variable; - bcon->assocresp_ies_len = bcon->probe_resp_len - hlen; - rc = 1; + bcon->assocresp_ies = bcon->proberesp_ies; + bcon->assocresp_ies_len = bcon->proberesp_ies_len; } + return 1; +} + +/* internal functions for device reset and starting AP */ +static int _wil_cfg80211_set_ies(struct wiphy *wiphy, + struct cfg80211_beacon_data *bcon) +{ + int rc; + struct wil6210_priv *wil = wiphy_to_wil(wiphy); + + rc = wmi_set_ie(wil, WMI_FRAME_PROBE_RESP, bcon->proberesp_ies_len, + bcon->proberesp_ies); + if (rc) + return rc; + + rc = wmi_set_ie(wil, WMI_FRAME_ASSOC_RESP, bcon->assocresp_ies_len, + bcon->assocresp_ies); +#if 0 /* to use beacon IE's, remove this #if 0 */ + if (rc) + return rc; + + rc = wmi_set_ie(wil, WMI_FRAME_BEACON, bcon->tail_len, bcon->tail); +#endif + + return rc; +} + +static int _wil_cfg80211_start_ap(struct wiphy *wiphy, + struct net_device *ndev, + const u8 *ssid, size_t ssid_len, u32 privacy, + int bi, u8 chan, + struct cfg80211_beacon_data *bcon, + u8 hidden_ssid) +{ + struct wil6210_priv *wil = wiphy_to_wil(wiphy); + int rc; + struct wireless_dev *wdev = ndev->ieee80211_ptr; + u8 wmi_nettype = wil_iftype_nl2wmi(wdev->iftype); + + wil_set_recovery_state(wil, fw_recovery_idle); + + mutex_lock(&wil->mutex); + + __wil_down(wil); + rc = __wil_up(wil); + if (rc) + goto out; + + rc = wmi_set_ssid(wil, ssid_len, ssid); + if (rc) + goto out; + + rc = _wil_cfg80211_set_ies(wiphy, bcon); + if (rc) + goto out; + + wil->privacy = privacy; + wil->channel = chan; + wil->hidden_ssid = hidden_ssid; + + netif_carrier_on(ndev); + + rc = wmi_pcp_start(wil, bi, wmi_nettype, chan, hidden_ssid); + if (rc) + goto err_pcp_start; + + rc = wil_bcast_init(wil); + if (rc) + goto err_bcast; + + goto out; /* success */ + +err_bcast: + wmi_pcp_stop(wil); +err_pcp_start: + netif_carrier_off(ndev); +out: + mutex_unlock(&wil->mutex); return rc; } @@ -741,63 +817,50 @@ static int wil_cfg80211_change_beacon(struct wiphy *wiphy, struct cfg80211_beacon_data *bcon) { struct wil6210_priv *wil = wiphy_to_wil(wiphy); - struct ieee80211_mgmt *f = (struct ieee80211_mgmt *)bcon->probe_resp; - size_t hlen = offsetof(struct ieee80211_mgmt, u.probe_resp.variable); - const u8 *pr_ies = NULL; - size_t pr_ies_len = 0; int rc; + u32 privacy = 0; wil_dbg_misc(wil, "%s()\n", __func__); wil_print_bcon_data(bcon); - if (bcon->probe_resp_len > hlen) { - pr_ies = f->u.probe_resp.variable; - pr_ies_len = bcon->probe_resp_len - hlen; - } - if (wil_fix_bcon(wil, bcon)) { wil_dbg_misc(wil, "Fixed bcon\n"); wil_print_bcon_data(bcon); } - /* FW do not form regular beacon, so bcon IE's are not set - * For the DMG bcon, when it will be supported, bcon IE's will - * be reused; add something like: - * wmi_set_ie(wil, WMI_FRAME_BEACON, bcon->beacon_ies_len, - * bcon->beacon_ies); - */ - rc = wmi_set_ie(wil, WMI_FRAME_PROBE_RESP, pr_ies_len, pr_ies); - if (rc) { - wil_err(wil, "set_ie(PROBE_RESP) failed\n"); - return rc; - } + if (bcon->proberesp_ies && + cfg80211_find_ie(WLAN_EID_RSN, bcon->proberesp_ies, + bcon->proberesp_ies_len)) + privacy = 1; - rc = wmi_set_ie(wil, WMI_FRAME_ASSOC_RESP, - bcon->assocresp_ies_len, - bcon->assocresp_ies); - if (rc) { - wil_err(wil, "set_ie(ASSOC_RESP) failed\n"); - return rc; + /* in case privacy has changed, need to restart the AP */ + if (wil->privacy != privacy) { + struct wireless_dev *wdev = ndev->ieee80211_ptr; + + wil_dbg_misc(wil, "privacy changed %d=>%d. Restarting AP\n", + wil->privacy, privacy); + + rc = _wil_cfg80211_start_ap(wiphy, ndev, wdev->ssid, + wdev->ssid_len, privacy, + wdev->beacon_interval, + wil->channel, bcon, + wil->hidden_ssid); + } else { + rc = _wil_cfg80211_set_ies(wiphy, bcon); } - return 0; + return rc; } static int wil_cfg80211_start_ap(struct wiphy *wiphy, struct net_device *ndev, struct cfg80211_ap_settings *info) { - int rc = 0; + int rc; struct wil6210_priv *wil = wiphy_to_wil(wiphy); - struct wireless_dev *wdev = ndev->ieee80211_ptr; struct ieee80211_channel *channel = info->chandef.chan; struct cfg80211_beacon_data *bcon = &info->beacon; struct cfg80211_crypto_settings *crypto = &info->crypto; - u8 wmi_nettype = wil_iftype_nl2wmi(wdev->iftype); - struct ieee80211_mgmt *f = (struct ieee80211_mgmt *)bcon->probe_resp; - size_t hlen = offsetof(struct ieee80211_mgmt, u.probe_resp.variable); - const u8 *pr_ies = NULL; - size_t pr_ies_len = 0; u8 hidden_ssid; wil_dbg_misc(wil, "%s()\n", __func__); @@ -807,6 +870,23 @@ static int wil_cfg80211_start_ap(struct wiphy *wiphy, return -EINVAL; } + switch (info->hidden_ssid) { + case NL80211_HIDDEN_SSID_NOT_IN_USE: + hidden_ssid = WMI_HIDDEN_SSID_DISABLED; + break; + + case NL80211_HIDDEN_SSID_ZERO_LEN: + hidden_ssid = WMI_HIDDEN_SSID_SEND_EMPTY; + break; + + case NL80211_HIDDEN_SSID_ZERO_CONTENTS: + hidden_ssid = WMI_HIDDEN_SSID_CLEAR; + break; + + default: + wil_err(wil, "AP: Invalid hidden SSID %d\n", info->hidden_ssid); + return -EOPNOTSUPP; + } wil_dbg_misc(wil, "AP on Channel %d %d MHz, %s\n", channel->hw_value, channel->center_freq, info->privacy ? "secure" : "open"); wil_dbg_misc(wil, "Privacy: %d auth_type %d\n", @@ -820,80 +900,16 @@ static int wil_cfg80211_start_ap(struct wiphy *wiphy, wil_print_bcon_data(bcon); wil_print_crypto(wil, crypto); - if (bcon->probe_resp_len > hlen) { - pr_ies = f->u.probe_resp.variable; - pr_ies_len = bcon->probe_resp_len - hlen; - } - if (wil_fix_bcon(wil, bcon)) { wil_dbg_misc(wil, "Fixed bcon\n"); wil_print_bcon_data(bcon); } - wil_set_recovery_state(wil, fw_recovery_idle); - - mutex_lock(&wil->mutex); - - __wil_down(wil); - rc = __wil_up(wil); - if (rc) - goto out; - - rc = wmi_set_ssid(wil, info->ssid_len, info->ssid); - if (rc) - goto out; - - /* IE's */ - /* bcon 'head IE's are not relevant for 60g band */ - /* - * FW do not form regular beacon, so bcon IE's are not set - * For the DMG bcon, when it will be supported, bcon IE's will - * be reused; add something like: - * wmi_set_ie(wil, WMI_FRAME_BEACON, bcon->beacon_ies_len, - * bcon->beacon_ies); - */ - wmi_set_ie(wil, WMI_FRAME_PROBE_RESP, pr_ies_len, pr_ies); - wmi_set_ie(wil, WMI_FRAME_ASSOC_RESP, bcon->assocresp_ies_len, - bcon->assocresp_ies); - - wil->privacy = info->privacy; - - switch (info->hidden_ssid) { - case NL80211_HIDDEN_SSID_NOT_IN_USE: - hidden_ssid = WMI_HIDDEN_SSID_DISABLED; - break; - - case NL80211_HIDDEN_SSID_ZERO_LEN: - hidden_ssid = WMI_HIDDEN_SSID_SEND_EMPTY; - break; - - case NL80211_HIDDEN_SSID_ZERO_CONTENTS: - hidden_ssid = WMI_HIDDEN_SSID_CLEAR; - break; - - default: - rc = -EOPNOTSUPP; - goto out; - } - - netif_carrier_on(ndev); - - rc = wmi_pcp_start(wil, info->beacon_interval, wmi_nettype, - channel->hw_value, hidden_ssid); - if (rc) - goto err_pcp_start; + rc = _wil_cfg80211_start_ap(wiphy, ndev, + info->ssid, info->ssid_len, info->privacy, + info->beacon_interval, channel->hw_value, + bcon, hidden_ssid); - rc = wil_bcast_init(wil); - if (rc) - goto err_bcast; - - goto out; /* success */ -err_bcast: - wmi_pcp_stop(wil); -err_pcp_start: - netif_carrier_off(ndev); -out: - mutex_unlock(&wil->mutex); return rc; } |