diff options
Diffstat (limited to 'drivers/net/wireless/ath/ath6kl/cfg80211.c')
| -rw-r--r-- | drivers/net/wireless/ath/ath6kl/cfg80211.c | 2074 |
1 files changed, 1553 insertions, 521 deletions
diff --git a/drivers/net/wireless/ath/ath6kl/cfg80211.c b/drivers/net/wireless/ath/ath6kl/cfg80211.c index 6c59a217b1a..0e26f4a34fd 100644 --- a/drivers/net/wireless/ath/ath6kl/cfg80211.c +++ b/drivers/net/wireless/ath/ath6kl/cfg80211.c @@ -1,5 +1,6 @@ /* * Copyright (c) 2004-2011 Atheros Communications Inc. + * Copyright (c) 2011-2012 Qualcomm Atheros, Inc. * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above @@ -14,7 +15,11 @@ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt + #include <linux/moduleparam.h> +#include <linux/inetdevice.h> +#include <linux/export.h> #include "core.h" #include "cfg80211.h" @@ -22,10 +27,6 @@ #include "hif-ops.h" #include "testmode.h" -static unsigned int ath6kl_p2p; - -module_param(ath6kl_p2p, uint, 0644); - #define RATETAB_ENT(_rate, _rateid, _flags) { \ .bitrate = (_rate), \ .flags = (_flags), \ @@ -50,6 +51,13 @@ module_param(ath6kl_p2p, uint, 0644); .max_power = 30, \ } +#define DEFAULT_BG_SCAN_PERIOD 60 + +struct ath6kl_cfg80211_match_probe_ssid { + struct cfg80211_ssid ssid; + u8 flag; +}; + static struct ieee80211_rate ath6kl_rates[] = { RATETAB_ENT(10, 0x1, 0), RATETAB_ENT(20, 0x2, 0), @@ -70,6 +78,11 @@ static struct ieee80211_rate ath6kl_rates[] = { #define ath6kl_g_rates (ath6kl_rates + 0) #define ath6kl_g_rates_size 12 +#define ath6kl_g_htcap IEEE80211_HT_CAP_SGI_20 +#define ath6kl_a_htcap (IEEE80211_HT_CAP_SUP_WIDTH_20_40 | \ + IEEE80211_HT_CAP_SGI_20 | \ + IEEE80211_HT_CAP_SGI_40) + static struct ieee80211_channel ath6kl_2ghz_channels[] = { CHAN2G(1, 2412, 0), CHAN2G(2, 2417, 0), @@ -114,6 +127,8 @@ static struct ieee80211_supported_band ath6kl_band_2ghz = { .channels = ath6kl_2ghz_channels, .n_bitrates = ath6kl_g_rates_size, .bitrates = ath6kl_g_rates, + .ht_cap.cap = ath6kl_g_htcap, + .ht_cap.ht_supported = true, }; static struct ieee80211_supported_band ath6kl_band_5ghz = { @@ -121,6 +136,8 @@ static struct ieee80211_supported_band ath6kl_band_5ghz = { .channels = ath6kl_5ghz_a_channels, .n_bitrates = ath6kl_a_rates_size, .bitrates = ath6kl_a_rates, + .ht_cap.cap = ath6kl_a_htcap, + .ht_cap.ht_supported = true, }; #define CCKM_KRK_CIPHER_SUITE 0x004096ff /* use for KRK */ @@ -130,15 +147,15 @@ static bool __ath6kl_cfg80211_sscan_stop(struct ath6kl_vif *vif) { struct ath6kl *ar = vif->ar; - if (ar->state != ATH6KL_STATE_SCHED_SCAN) + if (!test_and_clear_bit(SCHED_SCANNING, &vif->flags)) return false; del_timer_sync(&vif->sched_scan_timer); - ath6kl_wmi_set_host_sleep_mode_cmd(ar->wmi, vif->fw_vif_idx, - ATH6KL_HOST_MODE_AWAKE); + if (ar->state == ATH6KL_STATE_RECOVERY) + return true; - ar->state = ATH6KL_STATE_ON; + ath6kl_wmi_enable_sched_scan_cmd(ar->wmi, vif->fw_vif_idx, false); return true; } @@ -196,7 +213,7 @@ static int ath6kl_set_auth_type(struct ath6kl_vif *vif, break; default: - ath6kl_err("%s: 0x%x not spported\n", __func__, auth_type); + ath6kl_err("%s: 0x%x not supported\n", __func__, auth_type); return -ENOTSUPP; } @@ -284,7 +301,7 @@ static bool ath6kl_cfg80211_ready(struct ath6kl_vif *vif) static bool ath6kl_is_wpa_ie(const u8 *pos) { - return pos[0] == WLAN_EID_WPA && pos[1] >= 4 && + return pos[0] == WLAN_EID_VENDOR_SPECIFIC && pos[1] >= 4 && pos[2] == 0x00 && pos[3] == 0x50 && pos[4] == 0xf2 && pos[5] == 0x01; } @@ -352,17 +369,13 @@ static int ath6kl_nliftype_to_drv_iftype(enum nl80211_iftype type, u8 *nw_type) { switch (type) { case NL80211_IFTYPE_STATION: + case NL80211_IFTYPE_P2P_CLIENT: *nw_type = INFRA_NETWORK; break; case NL80211_IFTYPE_ADHOC: *nw_type = ADHOC_NETWORK; break; case NL80211_IFTYPE_AP: - *nw_type = AP_NETWORK; - break; - case NL80211_IFTYPE_P2P_CLIENT: - *nw_type = INFRA_NETWORK; - break; case NL80211_IFTYPE_P2P_GO: *nw_type = AP_NETWORK; break; @@ -383,13 +396,13 @@ static bool ath6kl_is_valid_iftype(struct ath6kl *ar, enum nl80211_iftype type, return false; if (ar->ibss_if_active || ((type == NL80211_IFTYPE_ADHOC) && - ar->num_vif)) + ar->num_vif)) return false; if (type == NL80211_IFTYPE_STATION || type == NL80211_IFTYPE_AP || type == NL80211_IFTYPE_ADHOC) { for (i = 0; i < ar->vif_max; i++) { - if ((ar->avail_idx_map >> i) & BIT(0)) { + if ((ar->avail_idx_map) & BIT(i)) { *if_idx = i; return true; } @@ -399,7 +412,7 @@ static bool ath6kl_is_valid_iftype(struct ath6kl *ar, enum nl80211_iftype type, if (type == NL80211_IFTYPE_P2P_CLIENT || type == NL80211_IFTYPE_P2P_GO) { for (i = ar->max_norm_iface; i < ar->vif_max; i++) { - if ((ar->avail_idx_map >> i) & BIT(0)) { + if ((ar->avail_idx_map) & BIT(i)) { *if_idx = i; return true; } @@ -409,6 +422,36 @@ static bool ath6kl_is_valid_iftype(struct ath6kl *ar, enum nl80211_iftype type, return false; } +static bool ath6kl_is_tx_pending(struct ath6kl *ar) +{ + return ar->tx_pending[ath6kl_wmi_get_control_ep(ar->wmi)] == 0; +} + +static void ath6kl_cfg80211_sta_bmiss_enhance(struct ath6kl_vif *vif, + bool enable) +{ + int err; + + if (WARN_ON(!test_bit(WMI_READY, &vif->ar->flag))) + return; + + if (vif->nw_type != INFRA_NETWORK) + return; + + if (!test_bit(ATH6KL_FW_CAPABILITY_BMISS_ENHANCE, + vif->ar->fw_capabilities)) + return; + + ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s fw bmiss enhance\n", + enable ? "enable" : "disable"); + + err = ath6kl_wmi_sta_bmiss_enhance_cmd(vif->ar->wmi, + vif->fw_vif_idx, enable); + if (err) + ath6kl_err("failed to %s enhanced bmiss detection: %d\n", + enable ? "enable" : "disable", err); +} + static int ath6kl_cfg80211_connect(struct wiphy *wiphy, struct net_device *dev, struct cfg80211_connect_params *sme) { @@ -416,6 +459,7 @@ static int ath6kl_cfg80211_connect(struct wiphy *wiphy, struct net_device *dev, struct ath6kl_vif *vif = netdev_priv(dev); int status; u8 nw_subtype = (ar->p2p) ? SUBTYPE_P2PDEV : SUBTYPE_NONE; + u16 interval; ath6kl_cfg80211_sscan_disable(vif); @@ -452,8 +496,8 @@ static int ath6kl_cfg80211_connect(struct wiphy *wiphy, struct net_device *dev, * sleep until the command queue drains */ wait_event_interruptible_timeout(ar->event_wq, - ar->tx_pending[ath6kl_wmi_get_control_ep(ar->wmi)] == 0, - WMI_TIMEOUT); + ath6kl_is_tx_pending(ar), + WMI_TIMEOUT); if (signal_pending(current)) { ath6kl_err("cmd queue drain timeout\n"); up(&ar->sem); @@ -461,13 +505,13 @@ static int ath6kl_cfg80211_connect(struct wiphy *wiphy, struct net_device *dev, } } - if (sme->ie && (sme->ie_len > 0)) { - status = ath6kl_set_assoc_req_ies(vif, sme->ie, sme->ie_len); - if (status) { - up(&ar->sem); - return status; - } - } else + status = ath6kl_set_assoc_req_ies(vif, sme->ie, sme->ie_len); + if (status) { + up(&ar->sem); + return status; + } + + if (sme->ie == NULL || sme->ie_len == 0) ar->connect_ctrl_flags &= ~CONNECT_WPS_FLAG; if (test_bit(CONNECTED, &vif->flags) && @@ -523,8 +567,7 @@ static int ath6kl_cfg80211_connect(struct wiphy *wiphy, struct net_device *dev, (vif->prwise_crypto == WEP_CRYPT)) { struct ath6kl_key *key = NULL; - if (sme->key_idx < WMI_MIN_KEY_INDEX || - sme->key_idx > WMI_MAX_KEY_INDEX) { + if (sme->key_idx > WMI_MAX_KEY_INDEX) { ath6kl_err("key index %d out of bounds\n", sme->key_idx); up(&ar->sem); @@ -549,7 +592,7 @@ static int ath6kl_cfg80211_connect(struct wiphy *wiphy, struct net_device *dev, if (!ar->usr_bss_filter) { clear_bit(CLEAR_BSSFILTER_ON_BEACON, &vif->flags); if (ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx, - ALL_BSS_FILTER, 0) != 0) { + ALL_BSS_FILTER, 0) != 0) { ath6kl_err("couldn't set bss filtering\n"); up(&ar->sem); return -EIO; @@ -558,6 +601,9 @@ static int ath6kl_cfg80211_connect(struct wiphy *wiphy, struct net_device *dev, vif->nw_type = vif->next_mode; + /* enable enhanced bmiss detection if applicable */ + ath6kl_cfg80211_sta_bmiss_enhance(vif, true); + if (vif->wdev.iftype == NL80211_IFTYPE_P2P_CLIENT) nw_subtype = SUBTYPE_P2PCLIENT; @@ -571,6 +617,20 @@ static int ath6kl_cfg80211_connect(struct wiphy *wiphy, struct net_device *dev, vif->grp_crypto_len, vif->ch_hint); vif->reconnect_flag = 0; + + if (vif->nw_type == INFRA_NETWORK) { + interval = max_t(u16, vif->listen_intvl_t, + ATH6KL_MAX_WOW_LISTEN_INTL); + status = ath6kl_wmi_listeninterval_cmd(ar->wmi, vif->fw_vif_idx, + interval, + 0); + if (status) { + ath6kl_err("couldn't set listen intervel\n"); + up(&ar->sem); + return status; + } + } + status = ath6kl_wmi_connect_cmd(ar->wmi, vif->fw_vif_idx, vif->nw_type, vif->dot11_auth_mode, vif->auth_mode, vif->prwise_crypto, @@ -580,6 +640,17 @@ static int ath6kl_cfg80211_connect(struct wiphy *wiphy, struct net_device *dev, vif->req_bssid, vif->ch_hint, ar->connect_ctrl_flags, nw_subtype); + if (sme->bg_scan_period == 0) { + /* disable background scan if period is 0 */ + sme->bg_scan_period = 0xffff; + } else if (sme->bg_scan_period == -1) { + /* configure default value if not specified */ + sme->bg_scan_period = DEFAULT_BG_SCAN_PERIOD; + } + + ath6kl_wmi_scanparams_cmd(ar->wmi, vif->fw_vif_idx, 0, 0, + sme->bg_scan_period, 0, 0, 0, 3, 0, 0, 0); + up(&ar->sem); if (status == -EINVAL) { @@ -593,8 +664,8 @@ static int ath6kl_cfg80211_connect(struct wiphy *wiphy, struct net_device *dev, } if ((!(ar->connect_ctrl_flags & CONNECT_DO_WPA_OFFLOAD)) && - ((vif->auth_mode == WPA_PSK_AUTH) - || (vif->auth_mode == WPA2_PSK_AUTH))) { + ((vif->auth_mode == WPA_PSK_AUTH) || + (vif->auth_mode == WPA2_PSK_AUTH))) { mod_timer(&vif->disconnect_timer, jiffies + msecs_to_jiffies(DISCON_TIMER_INTVAL)); } @@ -605,11 +676,13 @@ static int ath6kl_cfg80211_connect(struct wiphy *wiphy, struct net_device *dev, return 0; } -static int ath6kl_add_bss_if_needed(struct ath6kl_vif *vif, - enum network_type nw_type, - const u8 *bssid, - struct ieee80211_channel *chan, - const u8 *beacon_ie, size_t beacon_ie_len) +static struct cfg80211_bss * +ath6kl_add_bss_if_needed(struct ath6kl_vif *vif, + enum network_type nw_type, + const u8 *bssid, + struct ieee80211_channel *chan, + const u8 *beacon_ie, + size_t beacon_ie_len) { struct ath6kl *ar = vif->ar; struct cfg80211_bss *bss; @@ -638,7 +711,7 @@ static int ath6kl_add_bss_if_needed(struct ath6kl_vif *vif, */ ie = kmalloc(2 + vif->ssid_len + beacon_ie_len, GFP_KERNEL); if (ie == NULL) - return -ENOMEM; + return NULL; ie[0] = WLAN_EID_SSID; ie[1] = vif->ssid_len; memcpy(ie + 2, vif->ssid, vif->ssid_len); @@ -648,19 +721,14 @@ static int ath6kl_add_bss_if_needed(struct ath6kl_vif *vif, ie, 2 + vif->ssid_len + beacon_ie_len, 0, GFP_KERNEL); if (bss) - ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "added bss %pM to " - "cfg80211\n", bssid); + ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, + "added bss %pM to cfg80211\n", bssid); kfree(ie); - } else - ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "cfg80211 already has a bss " - "entry\n"); - - if (bss == NULL) - return -ENOMEM; - - cfg80211_put_bss(bss); + } else { + ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "cfg80211 already has a bss\n"); + } - return 0; + return bss; } void ath6kl_cfg80211_connect_event(struct ath6kl_vif *vif, u16 channel, @@ -672,6 +740,7 @@ void ath6kl_cfg80211_connect_event(struct ath6kl_vif *vif, u16 channel, { struct ieee80211_channel *chan; struct ath6kl *ar = vif->ar; + struct cfg80211_bss *bss; /* capinfo + listen interval */ u8 assoc_req_ie_offset = sizeof(u16) + sizeof(u16); @@ -712,8 +781,9 @@ void ath6kl_cfg80211_connect_event(struct ath6kl_vif *vif, u16 channel, chan = ieee80211_get_channel(ar->wiphy, (int) channel); - if (ath6kl_add_bss_if_needed(vif, nw_type, bssid, chan, assoc_info, - beacon_ie_len) < 0) { + bss = ath6kl_add_bss_if_needed(vif, nw_type, bssid, chan, + assoc_info, beacon_ie_len); + if (!bss) { ath6kl_err("could not add cfg80211 bss entry\n"); return; } @@ -721,7 +791,8 @@ void ath6kl_cfg80211_connect_event(struct ath6kl_vif *vif, u16 channel, if (nw_type & ADHOC_NETWORK) { ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "ad-hoc %s selected\n", nw_type & ADHOC_CREATOR ? "creator" : "joiner"); - cfg80211_ibss_joined(vif->ndev, bssid, GFP_KERNEL); + cfg80211_ibss_joined(vif->ndev, bssid, chan, GFP_KERNEL); + cfg80211_put_bss(ar->wiphy, bss); return; } @@ -732,11 +803,11 @@ void ath6kl_cfg80211_connect_event(struct ath6kl_vif *vif, u16 channel, assoc_req_ie, assoc_req_len, assoc_resp_ie, assoc_resp_len, WLAN_STATUS_SUCCESS, GFP_KERNEL); + cfg80211_put_bss(ar->wiphy, bss); } else if (vif->sme_state == SME_CONNECTED) { /* inform roam event to cfg80211 */ - cfg80211_roamed(vif->ndev, chan, bssid, - assoc_req_ie, assoc_req_len, - assoc_resp_ie, assoc_resp_len, GFP_KERNEL); + cfg80211_roamed_bss(vif->ndev, bss, assoc_req_ie, assoc_req_len, + assoc_resp_ie, assoc_resp_len, GFP_KERNEL); } } @@ -791,13 +862,9 @@ void ath6kl_cfg80211_disconnect_event(struct ath6kl_vif *vif, u8 reason, } if (vif->nw_type & ADHOC_NETWORK) { - if (vif->wdev.iftype != NL80211_IFTYPE_ADHOC) { + if (vif->wdev.iftype != NL80211_IFTYPE_ADHOC) ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: ath6k not in ibss mode\n", __func__); - return; - } - memset(bssid, 0, ETH_ALEN); - cfg80211_ibss_joined(vif->ndev, bssid, GFP_KERNEL); return; } @@ -810,41 +877,116 @@ void ath6kl_cfg80211_disconnect_event(struct ath6kl_vif *vif, u8 reason, } } + clear_bit(CONNECT_PEND, &vif->flags); + + if (vif->sme_state == SME_CONNECTING) { + cfg80211_connect_result(vif->ndev, + bssid, NULL, 0, + NULL, 0, + WLAN_STATUS_UNSPECIFIED_FAILURE, + GFP_KERNEL); + } else if (vif->sme_state == SME_CONNECTED) { + cfg80211_disconnected(vif->ndev, proto_reason, + NULL, 0, GFP_KERNEL); + } + + vif->sme_state = SME_DISCONNECTED; + /* * Send a disconnect command to target when a disconnect event is * received with reason code other than 3 (DISCONNECT_CMD - disconnect * request from host) to make the firmware stop trying to connect even * after giving disconnect event. There will be one more disconnect * event for this disconnect command with reason code DISCONNECT_CMD - * which will be notified to cfg80211. + * which won't be notified to cfg80211. */ - - if (reason != DISCONNECT_CMD) { + if (reason != DISCONNECT_CMD) ath6kl_wmi_disconnect_cmd(ar->wmi, vif->fw_vif_idx); - return; +} + +static int ath6kl_set_probed_ssids(struct ath6kl *ar, + struct ath6kl_vif *vif, + struct cfg80211_ssid *ssids, int n_ssids, + struct cfg80211_match_set *match_set, + int n_match_ssid) +{ + u8 i, j, index_to_add, ssid_found = false; + struct ath6kl_cfg80211_match_probe_ssid ssid_list[MAX_PROBED_SSIDS]; + + memset(ssid_list, 0, sizeof(ssid_list)); + + if (n_ssids > MAX_PROBED_SSIDS || + n_match_ssid > MAX_PROBED_SSIDS) + return -EINVAL; + + for (i = 0; i < n_ssids; i++) { + memcpy(ssid_list[i].ssid.ssid, + ssids[i].ssid, + ssids[i].ssid_len); + ssid_list[i].ssid.ssid_len = ssids[i].ssid_len; + + if (ssids[i].ssid_len) + ssid_list[i].flag = SPECIFIC_SSID_FLAG; + else + ssid_list[i].flag = ANY_SSID_FLAG; + + if (n_match_ssid == 0) + ssid_list[i].flag |= MATCH_SSID_FLAG; } - clear_bit(CONNECT_PEND, &vif->flags); + index_to_add = i; - if (vif->sme_state == SME_CONNECTING) { - cfg80211_connect_result(vif->ndev, - bssid, NULL, 0, - NULL, 0, - WLAN_STATUS_UNSPECIFIED_FAILURE, - GFP_KERNEL); - } else if (vif->sme_state == SME_CONNECTED) { - cfg80211_disconnected(vif->ndev, reason, - NULL, 0, GFP_KERNEL); + for (i = 0; i < n_match_ssid; i++) { + ssid_found = false; + + for (j = 0; j < n_ssids; j++) { + if ((match_set[i].ssid.ssid_len == + ssid_list[j].ssid.ssid_len) && + (!memcmp(ssid_list[j].ssid.ssid, + match_set[i].ssid.ssid, + match_set[i].ssid.ssid_len))) { + ssid_list[j].flag |= MATCH_SSID_FLAG; + ssid_found = true; + break; + } + } + + if (ssid_found) + continue; + + if (index_to_add >= MAX_PROBED_SSIDS) + continue; + + ssid_list[index_to_add].ssid.ssid_len = + match_set[i].ssid.ssid_len; + memcpy(ssid_list[index_to_add].ssid.ssid, + match_set[i].ssid.ssid, + match_set[i].ssid.ssid_len); + ssid_list[index_to_add].flag |= MATCH_SSID_FLAG; + index_to_add++; } - vif->sme_state = SME_DISCONNECTED; + for (i = 0; i < index_to_add; i++) { + ath6kl_wmi_probedssid_cmd(ar->wmi, vif->fw_vif_idx, i, + ssid_list[i].flag, + ssid_list[i].ssid.ssid_len, + ssid_list[i].ssid.ssid); + } + + /* Make sure no old entries are left behind */ + for (i = index_to_add; i < MAX_PROBED_SSIDS; i++) { + ath6kl_wmi_probedssid_cmd(ar->wmi, vif->fw_vif_idx, i, + DISABLE_SSID_FLAG, 0, NULL); + } + + return 0; } -static int ath6kl_cfg80211_scan(struct wiphy *wiphy, struct net_device *ndev, +static int ath6kl_cfg80211_scan(struct wiphy *wiphy, struct cfg80211_scan_request *request) { - struct ath6kl *ar = ath6kl_priv(ndev); - struct ath6kl_vif *vif = netdev_priv(ndev); + struct ath6kl_vif *vif = ath6kl_vif_from_wdev(request->wdev); + struct ath6kl *ar = ath6kl_priv(vif->ndev); s8 n_channels = 0; u16 *channels = NULL; int ret = 0; @@ -857,42 +999,26 @@ static int ath6kl_cfg80211_scan(struct wiphy *wiphy, struct net_device *ndev, if (!ar->usr_bss_filter) { clear_bit(CLEAR_BSSFILTER_ON_BEACON, &vif->flags); - ret = ath6kl_wmi_bssfilter_cmd( - ar->wmi, vif->fw_vif_idx, - (test_bit(CONNECTED, &vif->flags) ? - ALL_BUT_BSS_FILTER : ALL_BSS_FILTER), 0); + ret = ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx, + ALL_BSS_FILTER, 0); if (ret) { ath6kl_err("couldn't set bss filtering\n"); return ret; } } - if (request->n_ssids && request->ssids[0].ssid_len) { - u8 i; - - if (request->n_ssids > (MAX_PROBED_SSID_INDEX - 1)) - request->n_ssids = MAX_PROBED_SSID_INDEX - 1; - - for (i = 0; i < request->n_ssids; i++) - ath6kl_wmi_probedssid_cmd(ar->wmi, vif->fw_vif_idx, - i + 1, SPECIFIC_SSID_FLAG, - request->ssids[i].ssid_len, - request->ssids[i].ssid); - } + ret = ath6kl_set_probed_ssids(ar, vif, request->ssids, + request->n_ssids, NULL, 0); + if (ret < 0) + return ret; - /* - * FIXME: we should clear the IE in fw if it's not set so just - * remove the check altogether - */ - if (request->ie) { - ret = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx, - WMI_FRAME_PROBE_REQ, - request->ie, request->ie_len); - if (ret) { - ath6kl_err("failed to set Probe Request appie for " - "scan"); - return ret; - } + /* this also clears IE in fw if it's not set */ + ret = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx, + WMI_FRAME_PROBE_REQ, + request->ie, request->ie_len); + if (ret) { + ath6kl_err("failed to set Probe Request appie for scan\n"); + return ret; } /* @@ -908,8 +1034,7 @@ static int ath6kl_cfg80211_scan(struct wiphy *wiphy, struct net_device *ndev, channels = kzalloc(n_channels * sizeof(u16), GFP_KERNEL); if (channels == NULL) { - ath6kl_warn("failed to set scan channels, " - "scan all channels"); + ath6kl_warn("failed to set scan channels, scan all channels"); n_channels = 0; } @@ -920,29 +1045,19 @@ static int ath6kl_cfg80211_scan(struct wiphy *wiphy, struct net_device *ndev, if (test_bit(CONNECTED, &vif->flags)) force_fg_scan = 1; - if (test_bit(ATH6KL_FW_CAPABILITY_STA_P2PDEV_DUPLEX, - ar->fw_capabilities)) { - /* - * If capable of doing P2P mgmt operations using - * station interface, send additional information like - * supported rates to advertise and xmit rates for - * probe requests - */ - ret = ath6kl_wmi_beginscan_cmd(ar->wmi, vif->fw_vif_idx, - WMI_LONG_SCAN, force_fg_scan, - false, 0, 0, n_channels, - channels, request->no_cck, - request->rates); - } else { - ret = ath6kl_wmi_startscan_cmd(ar->wmi, vif->fw_vif_idx, - WMI_LONG_SCAN, force_fg_scan, - false, 0, 0, n_channels, - channels); + vif->scan_req = request; + + ret = ath6kl_wmi_beginscan_cmd(ar->wmi, vif->fw_vif_idx, + WMI_LONG_SCAN, force_fg_scan, + false, 0, + ATH6KL_FG_SCAN_INTERVAL, + n_channels, channels, + request->no_cck, + request->rates); + if (ret) { + ath6kl_err("failed to start scan: %d\n", ret); + vif->scan_req = NULL; } - if (ret) - ath6kl_err("wmi_startscan_cmd failed\n"); - else - vif->scan_req = request; kfree(channels); @@ -976,6 +1091,25 @@ out: vif->scan_req = NULL; } +void ath6kl_cfg80211_ch_switch_notify(struct ath6kl_vif *vif, int freq, + enum wmi_phy_mode mode) +{ + struct cfg80211_chan_def chandef; + + ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, + "channel switch notify nw_type %d freq %d mode %d\n", + vif->nw_type, freq, mode); + + cfg80211_chandef_create(&chandef, + ieee80211_get_channel(vif->ar->wiphy, freq), + (mode == WMI_11G_HT20) ? + NL80211_CHAN_HT20 : NL80211_CHAN_NO_HT); + + mutex_lock(&vif->wdev.mtx); + cfg80211_ch_switch_notify(vif->ndev, &chandef); + mutex_unlock(&vif->wdev.mtx); +} + static int ath6kl_cfg80211_add_key(struct wiphy *wiphy, struct net_device *ndev, u8 key_index, bool pairwise, const u8 *mac_addr, @@ -984,6 +1118,7 @@ static int ath6kl_cfg80211_add_key(struct wiphy *wiphy, struct net_device *ndev, struct ath6kl *ar = ath6kl_priv(ndev); struct ath6kl_vif *vif = netdev_priv(ndev); struct ath6kl_key *key = NULL; + int seq_len; u8 key_usage; u8 key_type; @@ -997,7 +1132,7 @@ static int ath6kl_cfg80211_add_key(struct wiphy *wiphy, struct net_device *ndev, params->key); } - if (key_index < WMI_MIN_KEY_INDEX || key_index > WMI_MAX_KEY_INDEX) { + if (key_index > WMI_MAX_KEY_INDEX) { ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: key index %d out of bounds\n", __func__, key_index); @@ -1012,23 +1147,21 @@ static int ath6kl_cfg80211_add_key(struct wiphy *wiphy, struct net_device *ndev, else key_usage = GROUP_USAGE; - if (params) { - int seq_len = params->seq_len; - if (params->cipher == WLAN_CIPHER_SUITE_SMS4 && - seq_len > ATH6KL_KEY_SEQ_LEN) { - /* Only first half of the WPI PN is configured */ - seq_len = ATH6KL_KEY_SEQ_LEN; - } - if (params->key_len > WLAN_MAX_KEY_LEN || - seq_len > sizeof(key->seq)) - return -EINVAL; - - key->key_len = params->key_len; - memcpy(key->key, params->key, key->key_len); - key->seq_len = seq_len; - memcpy(key->seq, params->seq, key->seq_len); - key->cipher = params->cipher; + seq_len = params->seq_len; + if (params->cipher == WLAN_CIPHER_SUITE_SMS4 && + seq_len > ATH6KL_KEY_SEQ_LEN) { + /* Only first half of the WPI PN is configured */ + seq_len = ATH6KL_KEY_SEQ_LEN; } + if (params->key_len > WLAN_MAX_KEY_LEN || + seq_len > sizeof(key->seq)) + return -EINVAL; + + key->key_len = params->key_len; + memcpy(key->key, params->key, key->key_len); + key->seq_len = seq_len; + memcpy(key->seq, params->seq, key->seq_len); + key->cipher = params->cipher; switch (key->cipher) { case WLAN_CIPHER_SUITE_WEP40: @@ -1051,9 +1184,9 @@ static int ath6kl_cfg80211_add_key(struct wiphy *wiphy, struct net_device *ndev, return -ENOTSUPP; } - if (((vif->auth_mode == WPA_PSK_AUTH) - || (vif->auth_mode == WPA2_PSK_AUTH)) - && (key_usage & GROUP_USAGE)) + if (((vif->auth_mode == WPA_PSK_AUTH) || + (vif->auth_mode == WPA2_PSK_AUTH)) && + (key_usage & GROUP_USAGE)) del_timer(&vif->disconnect_timer); ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, @@ -1063,16 +1196,15 @@ static int ath6kl_cfg80211_add_key(struct wiphy *wiphy, struct net_device *ndev, if (vif->nw_type == AP_NETWORK && !pairwise && (key_type == TKIP_CRYPT || key_type == AES_CRYPT || - key_type == WAPI_CRYPT) && params) { + key_type == WAPI_CRYPT)) { ar->ap_mode_bkey.valid = true; ar->ap_mode_bkey.key_index = key_index; ar->ap_mode_bkey.key_type = key_type; ar->ap_mode_bkey.key_len = key->key_len; memcpy(ar->ap_mode_bkey.key, key->key, key->key_len); if (!test_bit(CONNECTED, &vif->flags)) { - ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "Delay initial group " - "key configuration until AP mode has been " - "started\n"); + ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, + "Delay initial group key configuration until AP mode has been started\n"); /* * The key will be set in ath6kl_connect_ap_mode() once * the connected event is received from the target. @@ -1088,8 +1220,8 @@ static int ath6kl_cfg80211_add_key(struct wiphy *wiphy, struct net_device *ndev, * the AP mode has properly started * (ath6kl_install_statioc_wep_keys). */ - ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "Delay WEP key configuration " - "until AP mode has been started\n"); + ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, + "Delay WEP key configuration until AP mode has been started\n"); vif->wep_key_list[key_index].key_len = key->key_len; memcpy(vif->wep_key_list[key_index].key, key->key, key->key_len); @@ -1115,7 +1247,7 @@ static int ath6kl_cfg80211_del_key(struct wiphy *wiphy, struct net_device *ndev, if (!ath6kl_cfg80211_ready(vif)) return -EIO; - if (key_index < WMI_MIN_KEY_INDEX || key_index > WMI_MAX_KEY_INDEX) { + if (key_index > WMI_MAX_KEY_INDEX) { ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: key index %d out of bounds\n", __func__, key_index); @@ -1148,7 +1280,7 @@ static int ath6kl_cfg80211_get_key(struct wiphy *wiphy, struct net_device *ndev, if (!ath6kl_cfg80211_ready(vif)) return -EIO; - if (key_index < WMI_MIN_KEY_INDEX || key_index > WMI_MAX_KEY_INDEX) { + if (key_index > WMI_MAX_KEY_INDEX) { ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: key index %d out of bounds\n", __func__, key_index); @@ -1184,7 +1316,7 @@ static int ath6kl_cfg80211_set_default_key(struct wiphy *wiphy, if (!ath6kl_cfg80211_ready(vif)) return -EIO; - if (key_index < WMI_MIN_KEY_INDEX || key_index > WMI_MAX_KEY_INDEX) { + if (key_index > WMI_MAX_KEY_INDEX) { ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: key index %d out of bounds\n", __func__, key_index); @@ -1258,17 +1390,13 @@ static int ath6kl_cfg80211_set_wiphy_params(struct wiphy *wiphy, u32 changed) return 0; } -/* - * The type nl80211_tx_power_setting replaces the following - * data type from 2.6.36 onwards -*/ static int ath6kl_cfg80211_set_txpower(struct wiphy *wiphy, + struct wireless_dev *wdev, enum nl80211_tx_power_setting type, int mbm) { struct ath6kl *ar = (struct ath6kl *)wiphy_priv(wiphy); struct ath6kl_vif *vif; - u8 ath6kl_dbm; int dbm = MBM_TO_DBM(mbm); ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: type 0x%x, dbm %d\n", __func__, @@ -1285,7 +1413,7 @@ static int ath6kl_cfg80211_set_txpower(struct wiphy *wiphy, case NL80211_TX_POWER_AUTOMATIC: return 0; case NL80211_TX_POWER_LIMITED: - ar->tx_pwr = ath6kl_dbm = dbm; + ar->tx_pwr = dbm; break; default: ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: type 0x%x not supported\n", @@ -1293,12 +1421,14 @@ static int ath6kl_cfg80211_set_txpower(struct wiphy *wiphy, return -EOPNOTSUPP; } - ath6kl_wmi_set_tx_pwr_cmd(ar->wmi, vif->fw_vif_idx, ath6kl_dbm); + ath6kl_wmi_set_tx_pwr_cmd(ar->wmi, vif->fw_vif_idx, dbm); return 0; } -static int ath6kl_cfg80211_get_txpower(struct wiphy *wiphy, int *dbm) +static int ath6kl_cfg80211_get_txpower(struct wiphy *wiphy, + struct wireless_dev *wdev, + int *dbm) { struct ath6kl *ar = (struct ath6kl *)wiphy_priv(wiphy); struct ath6kl_vif *vif; @@ -1346,15 +1476,15 @@ static int ath6kl_cfg80211_set_power_mgmt(struct wiphy *wiphy, return -EIO; if (pmgmt) { - ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: max perf\n", __func__); + ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: rec power\n", __func__); mode.pwr_mode = REC_POWER; } else { - ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: rec power\n", __func__); + ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: max perf\n", __func__); mode.pwr_mode = MAX_PERF_POWER; } if (ath6kl_wmi_powermode_cmd(ar->wmi, vif->fw_vif_idx, - mode.pwr_mode) != 0) { + mode.pwr_mode) != 0) { ath6kl_err("wmi_powermode_cmd failed\n"); return -EIO; } @@ -1362,14 +1492,14 @@ static int ath6kl_cfg80211_set_power_mgmt(struct wiphy *wiphy, return 0; } -static struct net_device *ath6kl_cfg80211_add_iface(struct wiphy *wiphy, - char *name, - enum nl80211_iftype type, - u32 *flags, - struct vif_params *params) +static struct wireless_dev *ath6kl_cfg80211_add_iface(struct wiphy *wiphy, + const char *name, + enum nl80211_iftype type, + u32 *flags, + struct vif_params *params) { struct ath6kl *ar = wiphy_priv(wiphy); - struct net_device *ndev; + struct wireless_dev *wdev; u8 if_idx, nw_type; if (ar->num_vif == ar->vif_max) { @@ -1382,28 +1512,30 @@ static struct net_device *ath6kl_cfg80211_add_iface(struct wiphy *wiphy, return ERR_PTR(-EINVAL); } - ndev = ath6kl_interface_add(ar, name, type, if_idx, nw_type); - if (!ndev) + wdev = ath6kl_interface_add(ar, name, type, if_idx, nw_type); + if (!wdev) return ERR_PTR(-ENOMEM); ar->num_vif++; - return ndev; + return wdev; } static int ath6kl_cfg80211_del_iface(struct wiphy *wiphy, - struct net_device *ndev) + struct wireless_dev *wdev) { struct ath6kl *ar = wiphy_priv(wiphy); - struct ath6kl_vif *vif = netdev_priv(ndev); + struct ath6kl_vif *vif = netdev_priv(wdev->netdev); spin_lock_bh(&ar->list_lock); list_del(&vif->list); spin_unlock_bh(&ar->list_lock); - ath6kl_cleanup_vif(vif, test_bit(WMI_READY, &ar->flag)); + ath6kl_cfg80211_vif_stop(vif, test_bit(WMI_READY, &ar->flag)); - ath6kl_deinit_if_data(vif); + rtnl_lock(); + ath6kl_cfg80211_vif_cleanup(vif); + rtnl_unlock(); return 0; } @@ -1414,22 +1546,50 @@ static int ath6kl_cfg80211_change_iface(struct wiphy *wiphy, struct vif_params *params) { struct ath6kl_vif *vif = netdev_priv(ndev); + int i; ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: type %u\n", __func__, type); + /* + * Don't bring up p2p on an interface which is not initialized + * for p2p operation where fw does not have capability to switch + * dynamically between non-p2p and p2p type interface. + */ + if (!test_bit(ATH6KL_FW_CAPABILITY_STA_P2PDEV_DUPLEX, + vif->ar->fw_capabilities) && + (type == NL80211_IFTYPE_P2P_CLIENT || + type == NL80211_IFTYPE_P2P_GO)) { + if (vif->ar->vif_max == 1) { + if (vif->fw_vif_idx != 0) + return -EINVAL; + else + goto set_iface_type; + } + + for (i = vif->ar->max_norm_iface; i < vif->ar->vif_max; i++) { + if (i == vif->fw_vif_idx) + break; + } + + if (i == vif->ar->vif_max) { + ath6kl_err("Invalid interface to bring up P2P\n"); + return -EINVAL; + } + } + + /* need to clean up enhanced bmiss detection fw state */ + ath6kl_cfg80211_sta_bmiss_enhance(vif, false); + +set_iface_type: switch (type) { case NL80211_IFTYPE_STATION: + case NL80211_IFTYPE_P2P_CLIENT: vif->next_mode = INFRA_NETWORK; break; case NL80211_IFTYPE_ADHOC: vif->next_mode = ADHOC_NETWORK; break; case NL80211_IFTYPE_AP: - vif->next_mode = AP_NETWORK; - break; - case NL80211_IFTYPE_P2P_CLIENT: - vif->next_mode = INFRA_NETWORK; - break; case NL80211_IFTYPE_P2P_GO: vif->next_mode = AP_NETWORK; break; @@ -1457,8 +1617,8 @@ static int ath6kl_cfg80211_join_ibss(struct wiphy *wiphy, vif->ssid_len = ibss_param->ssid_len; memcpy(vif->ssid, ibss_param->ssid, vif->ssid_len); - if (ibss_param->channel) - vif->ch_hint = ibss_param->channel->center_freq; + if (ibss_param->chandef.chan) + vif->ch_hint = ibss_param->chandef.chan->center_freq; if (ibss_param->channel_fixed) { /* @@ -1599,7 +1759,7 @@ static bool is_rate_ht40(s32 rate, u8 *mcs, bool *sgi) } static int ath6kl_get_station(struct wiphy *wiphy, struct net_device *dev, - u8 *mac, struct station_info *sinfo) + const u8 *mac, struct station_info *sinfo) { struct ath6kl *ar = ath6kl_priv(dev); struct ath6kl_vif *vif = netdev_priv(dev); @@ -1638,14 +1798,14 @@ static int ath6kl_get_station(struct wiphy *wiphy, struct net_device *dev, if (vif->target_stats.rx_byte) { sinfo->rx_bytes = vif->target_stats.rx_byte; - sinfo->filled |= STATION_INFO_RX_BYTES; + sinfo->filled |= STATION_INFO_RX_BYTES64; sinfo->rx_packets = vif->target_stats.rx_pkt; sinfo->filled |= STATION_INFO_RX_PACKETS; } if (vif->target_stats.tx_byte) { sinfo->tx_bytes = vif->target_stats.tx_byte; - sinfo->filled |= STATION_INFO_TX_BYTES; + sinfo->filled |= STATION_INFO_TX_BYTES64; sinfo->tx_packets = vif->target_stats.tx_pkt; sinfo->filled |= STATION_INFO_TX_PACKETS; } @@ -1728,31 +1888,15 @@ static int ath6kl_flush_pmksa(struct wiphy *wiphy, struct net_device *netdev) return 0; } -static int ath6kl_wow_suspend(struct ath6kl *ar, struct cfg80211_wowlan *wow) +static int ath6kl_wow_usr(struct ath6kl *ar, struct ath6kl_vif *vif, + struct cfg80211_wowlan *wow, u32 *filter) { - struct ath6kl_vif *vif; - int ret, pos, left; - u32 filter = 0; + int ret, pos; + u8 mask[WOW_PATTERN_SIZE]; u16 i; - u8 mask[WOW_MASK_SIZE]; - - vif = ath6kl_vif_first(ar); - if (!vif) - return -EIO; - - if (!ath6kl_cfg80211_ready(vif)) - return -EIO; - - if (!test_bit(CONNECTED, &vif->flags)) - return -EINVAL; - /* Clear existing WOW patterns */ - for (i = 0; i < WOW_MAX_FILTERS_PER_LIST; i++) - ath6kl_wmi_del_wow_pattern_cmd(ar->wmi, vif->fw_vif_idx, - WOW_LIST_ID, i); - /* Configure new WOW patterns */ + /* Configure the patterns that we received from the user. */ for (i = 0; i < wow->n_patterns; i++) { - /* * Convert given nl80211 specific mask value to equivalent * driver specific mask value and send it to the chip along @@ -1773,44 +1917,186 @@ static int ath6kl_wow_suspend(struct ath6kl *ar, struct cfg80211_wowlan *wow) * matched from the first byte of received pkt in the firmware. */ ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi, - vif->fw_vif_idx, WOW_LIST_ID, - wow->patterns[i].pattern_len, - 0 /* pattern offset */, - wow->patterns[i].pattern, mask); + vif->fw_vif_idx, WOW_LIST_ID, + wow->patterns[i].pattern_len, + 0 /* pattern offset */, + wow->patterns[i].pattern, mask); if (ret) return ret; } if (wow->disconnect) - filter |= WOW_FILTER_OPTION_NWK_DISASSOC; + *filter |= WOW_FILTER_OPTION_NWK_DISASSOC; if (wow->magic_pkt) - filter |= WOW_FILTER_OPTION_MAGIC_PACKET; + *filter |= WOW_FILTER_OPTION_MAGIC_PACKET; if (wow->gtk_rekey_failure) - filter |= WOW_FILTER_OPTION_GTK_ERROR; + *filter |= WOW_FILTER_OPTION_GTK_ERROR; if (wow->eap_identity_req) - filter |= WOW_FILTER_OPTION_EAP_REQ; + *filter |= WOW_FILTER_OPTION_EAP_REQ; if (wow->four_way_handshake) - filter |= WOW_FILTER_OPTION_8021X_4WAYHS; + *filter |= WOW_FILTER_OPTION_8021X_4WAYHS; - ret = ath6kl_wmi_set_wow_mode_cmd(ar->wmi, vif->fw_vif_idx, - ATH6KL_WOW_MODE_ENABLE, - filter, - WOW_HOST_REQ_DELAY); - if (ret) + return 0; +} + +static int ath6kl_wow_ap(struct ath6kl *ar, struct ath6kl_vif *vif) +{ + static const u8 unicst_pattern[] = { 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x08 }; + static const u8 unicst_mask[] = { 0x01, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x7f }; + u8 unicst_offset = 0; + static const u8 arp_pattern[] = { 0x08, 0x06 }; + static const u8 arp_mask[] = { 0xff, 0xff }; + u8 arp_offset = 20; + static const u8 discvr_pattern[] = { 0xe0, 0x00, 0x00, 0xf8 }; + static const u8 discvr_mask[] = { 0xf0, 0x00, 0x00, 0xf8 }; + u8 discvr_offset = 38; + static const u8 dhcp_pattern[] = { 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x43 /* port 67 */ }; + static const u8 dhcp_mask[] = { 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0xff, 0xff /* port 67 */ }; + u8 dhcp_offset = 0; + int ret; + + /* Setup unicast IP, EAPOL-like and ARP pkt pattern */ + ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi, + vif->fw_vif_idx, WOW_LIST_ID, + sizeof(unicst_pattern), unicst_offset, + unicst_pattern, unicst_mask); + if (ret) { + ath6kl_err("failed to add WOW unicast IP pattern\n"); + return ret; + } + + /* Setup all ARP pkt pattern */ + ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi, + vif->fw_vif_idx, WOW_LIST_ID, + sizeof(arp_pattern), arp_offset, + arp_pattern, arp_mask); + if (ret) { + ath6kl_err("failed to add WOW ARP pattern\n"); + return ret; + } + + /* + * Setup multicast pattern for mDNS 224.0.0.251, + * SSDP 239.255.255.250 and LLMNR 224.0.0.252 + */ + ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi, + vif->fw_vif_idx, WOW_LIST_ID, + sizeof(discvr_pattern), discvr_offset, + discvr_pattern, discvr_mask); + if (ret) { + ath6kl_err("failed to add WOW mDNS/SSDP/LLMNR pattern\n"); return ret; + } + + /* Setup all DHCP broadcast pkt pattern */ + ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi, + vif->fw_vif_idx, WOW_LIST_ID, + sizeof(dhcp_pattern), dhcp_offset, + dhcp_pattern, dhcp_mask); + if (ret) { + ath6kl_err("failed to add WOW DHCP broadcast pattern\n"); + return ret; + } + + return 0; +} + +static int ath6kl_wow_sta(struct ath6kl *ar, struct ath6kl_vif *vif) +{ + struct net_device *ndev = vif->ndev; + static const u8 discvr_pattern[] = { 0xe0, 0x00, 0x00, 0xf8 }; + static const u8 discvr_mask[] = { 0xf0, 0x00, 0x00, 0xf8 }; + u8 discvr_offset = 38; + u8 mac_mask[ETH_ALEN]; + int ret; + + /* Setup unicast pkt pattern */ + memset(mac_mask, 0xff, ETH_ALEN); + ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi, + vif->fw_vif_idx, WOW_LIST_ID, + ETH_ALEN, 0, ndev->dev_addr, + mac_mask); + if (ret) { + ath6kl_err("failed to add WOW unicast pattern\n"); + return ret; + } + + /* + * Setup multicast pattern for mDNS 224.0.0.251, + * SSDP 239.255.255.250 and LLMNR 224.0.0.252 + */ + if ((ndev->flags & IFF_ALLMULTI) || + (ndev->flags & IFF_MULTICAST && netdev_mc_count(ndev) > 0)) { + ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi, + vif->fw_vif_idx, WOW_LIST_ID, + sizeof(discvr_pattern), discvr_offset, + discvr_pattern, discvr_mask); + if (ret) { + ath6kl_err("failed to add WOW mDNS/SSDP/LLMNR pattern\n"); + return ret; + } + } + + return 0; +} + +static int is_hsleep_mode_procsed(struct ath6kl_vif *vif) +{ + return test_bit(HOST_SLEEP_MODE_CMD_PROCESSED, &vif->flags); +} + +static bool is_ctrl_ep_empty(struct ath6kl *ar) +{ + return !ar->tx_pending[ar->ctrl_ep]; +} + +static int ath6kl_cfg80211_host_sleep(struct ath6kl *ar, struct ath6kl_vif *vif) +{ + int ret, left; + + clear_bit(HOST_SLEEP_MODE_CMD_PROCESSED, &vif->flags); ret = ath6kl_wmi_set_host_sleep_mode_cmd(ar->wmi, vif->fw_vif_idx, ATH6KL_HOST_MODE_ASLEEP); if (ret) return ret; + left = wait_event_interruptible_timeout(ar->event_wq, + is_hsleep_mode_procsed(vif), + WMI_TIMEOUT); + if (left == 0) { + ath6kl_warn("timeout, didn't get host sleep cmd processed event\n"); + ret = -ETIMEDOUT; + } else if (left < 0) { + ath6kl_warn("error while waiting for host sleep cmd processed event %d\n", + left); + ret = left; + } + if (ar->tx_pending[ar->ctrl_ep]) { left = wait_event_interruptible_timeout(ar->event_wq, - ar->tx_pending[ar->ctrl_ep] == 0, WMI_TIMEOUT); + is_ctrl_ep_empty(ar), + WMI_TIMEOUT); if (left == 0) { ath6kl_warn("clear wmi ctrl data timeout\n"); ret = -ETIMEDOUT; @@ -1823,24 +2109,305 @@ static int ath6kl_wow_suspend(struct ath6kl *ar, struct cfg80211_wowlan *wow) return ret; } +static int ath6kl_wow_suspend_vif(struct ath6kl_vif *vif, + struct cfg80211_wowlan *wow, u32 *filter) +{ + struct ath6kl *ar = vif->ar; + struct in_device *in_dev; + struct in_ifaddr *ifa; + int ret; + u16 i, bmiss_time; + __be32 ips[MAX_IP_ADDRS]; + u8 index = 0; + + if (!test_bit(NETDEV_MCAST_ALL_ON, &vif->flags) && + test_bit(ATH6KL_FW_CAPABILITY_WOW_MULTICAST_FILTER, + ar->fw_capabilities)) { + ret = ath6kl_wmi_mcast_filter_cmd(vif->ar->wmi, + vif->fw_vif_idx, false); + if (ret) + return ret; + } + + /* Clear existing WOW patterns */ + for (i = 0; i < WOW_MAX_FILTERS_PER_LIST; i++) + ath6kl_wmi_del_wow_pattern_cmd(ar->wmi, vif->fw_vif_idx, + WOW_LIST_ID, i); + + /* + * Skip the default WOW pattern configuration + * if the driver receives any WOW patterns from + * the user. + */ + if (wow) + ret = ath6kl_wow_usr(ar, vif, wow, filter); + else if (vif->nw_type == AP_NETWORK) + ret = ath6kl_wow_ap(ar, vif); + else + ret = ath6kl_wow_sta(ar, vif); + + if (ret) + return ret; + + netif_stop_queue(vif->ndev); + + if (vif->nw_type != AP_NETWORK) { + ret = ath6kl_wmi_listeninterval_cmd(ar->wmi, vif->fw_vif_idx, + ATH6KL_MAX_WOW_LISTEN_INTL, + 0); + if (ret) + return ret; + + /* Set listen interval x 15 times as bmiss time */ + bmiss_time = ATH6KL_MAX_WOW_LISTEN_INTL * 15; + if (bmiss_time > ATH6KL_MAX_BMISS_TIME) + bmiss_time = ATH6KL_MAX_BMISS_TIME; + + ret = ath6kl_wmi_bmisstime_cmd(ar->wmi, vif->fw_vif_idx, + bmiss_time, 0); + if (ret) + return ret; + + ret = ath6kl_wmi_scanparams_cmd(ar->wmi, vif->fw_vif_idx, + 0xFFFF, 0, 0xFFFF, 0, 0, 0, + 0, 0, 0, 0); + if (ret) + return ret; + } + + /* Setup own IP addr for ARP agent. */ + in_dev = __in_dev_get_rtnl(vif->ndev); + if (!in_dev) + return 0; + + ifa = in_dev->ifa_list; + memset(&ips, 0, sizeof(ips)); + + /* Configure IP addr only if IP address count < MAX_IP_ADDRS */ + while (index < MAX_IP_ADDRS && ifa) { + ips[index] = ifa->ifa_local; + ifa = ifa->ifa_next; + index++; + } + + if (ifa) { + ath6kl_err("total IP addr count is exceeding fw limit\n"); + return -EINVAL; + } + + ret = ath6kl_wmi_set_ip_cmd(ar->wmi, vif->fw_vif_idx, ips[0], ips[1]); + if (ret) { + ath6kl_err("fail to setup ip for arp agent\n"); + return ret; + } + + return ret; +} + +static int ath6kl_wow_suspend(struct ath6kl *ar, struct cfg80211_wowlan *wow) +{ + struct ath6kl_vif *first_vif, *vif; + int ret = 0; + u32 filter = 0; + bool connected = false; + + /* enter / leave wow suspend on first vif always */ + first_vif = ath6kl_vif_first(ar); + if (WARN_ON(unlikely(!first_vif)) || + !ath6kl_cfg80211_ready(first_vif)) + return -EIO; + + if (wow && (wow->n_patterns > WOW_MAX_FILTERS_PER_LIST)) + return -EINVAL; + + /* install filters for each connected vif */ + spin_lock_bh(&ar->list_lock); + list_for_each_entry(vif, &ar->vif_list, list) { + if (!test_bit(CONNECTED, &vif->flags) || + !ath6kl_cfg80211_ready(vif)) + continue; + connected = true; + + ret = ath6kl_wow_suspend_vif(vif, wow, &filter); + if (ret) + break; + } + spin_unlock_bh(&ar->list_lock); + + if (!connected) + return -ENOTCONN; + else if (ret) + return ret; + + ar->state = ATH6KL_STATE_SUSPENDING; + + ret = ath6kl_wmi_set_wow_mode_cmd(ar->wmi, first_vif->fw_vif_idx, + ATH6KL_WOW_MODE_ENABLE, + filter, + WOW_HOST_REQ_DELAY); + if (ret) + return ret; + + return ath6kl_cfg80211_host_sleep(ar, first_vif); +} + +static int ath6kl_wow_resume_vif(struct ath6kl_vif *vif) +{ + struct ath6kl *ar = vif->ar; + int ret; + + if (vif->nw_type != AP_NETWORK) { + ret = ath6kl_wmi_scanparams_cmd(ar->wmi, vif->fw_vif_idx, + 0, 0, 0, 0, 0, 0, 3, 0, 0, 0); + if (ret) + return ret; + + ret = ath6kl_wmi_listeninterval_cmd(ar->wmi, vif->fw_vif_idx, + vif->listen_intvl_t, 0); + if (ret) + return ret; + + ret = ath6kl_wmi_bmisstime_cmd(ar->wmi, vif->fw_vif_idx, + vif->bmiss_time_t, 0); + if (ret) + return ret; + } + + if (!test_bit(NETDEV_MCAST_ALL_OFF, &vif->flags) && + test_bit(ATH6KL_FW_CAPABILITY_WOW_MULTICAST_FILTER, + ar->fw_capabilities)) { + ret = ath6kl_wmi_mcast_filter_cmd(vif->ar->wmi, + vif->fw_vif_idx, true); + if (ret) + return ret; + } + + netif_wake_queue(vif->ndev); + + return 0; +} + static int ath6kl_wow_resume(struct ath6kl *ar) { struct ath6kl_vif *vif; int ret; vif = ath6kl_vif_first(ar); - if (!vif) + if (WARN_ON(unlikely(!vif)) || + !ath6kl_cfg80211_ready(vif)) return -EIO; + ar->state = ATH6KL_STATE_RESUMING; + ret = ath6kl_wmi_set_host_sleep_mode_cmd(ar->wmi, vif->fw_vif_idx, ATH6KL_HOST_MODE_AWAKE); + if (ret) { + ath6kl_warn("Failed to configure host sleep mode for wow resume: %d\n", + ret); + goto cleanup; + } + + spin_lock_bh(&ar->list_lock); + list_for_each_entry(vif, &ar->vif_list, list) { + if (!test_bit(CONNECTED, &vif->flags) || + !ath6kl_cfg80211_ready(vif)) + continue; + ret = ath6kl_wow_resume_vif(vif); + if (ret) + break; + } + spin_unlock_bh(&ar->list_lock); + + if (ret) + goto cleanup; + + ar->state = ATH6KL_STATE_ON; + return 0; + +cleanup: + ar->state = ATH6KL_STATE_WOW; return ret; } +static int ath6kl_cfg80211_deepsleep_suspend(struct ath6kl *ar) +{ + struct ath6kl_vif *vif; + int ret; + + vif = ath6kl_vif_first(ar); + if (!vif) + return -EIO; + + if (!test_bit(WMI_READY, &ar->flag)) { + ath6kl_err("deepsleep failed as wmi is not ready\n"); + return -EIO; + } + + ath6kl_cfg80211_stop_all(ar); + + /* Save the current power mode before enabling power save */ + ar->wmi->saved_pwr_mode = ar->wmi->pwr_mode; + + ret = ath6kl_wmi_powermode_cmd(ar->wmi, 0, REC_POWER); + if (ret) + return ret; + + /* Disable WOW mode */ + ret = ath6kl_wmi_set_wow_mode_cmd(ar->wmi, vif->fw_vif_idx, + ATH6KL_WOW_MODE_DISABLE, + 0, 0); + if (ret) + return ret; + + /* Flush all non control pkts in TX path */ + ath6kl_tx_data_cleanup(ar); + + ret = ath6kl_cfg80211_host_sleep(ar, vif); + if (ret) + return ret; + + return 0; +} + +static int ath6kl_cfg80211_deepsleep_resume(struct ath6kl *ar) +{ + struct ath6kl_vif *vif; + int ret; + + vif = ath6kl_vif_first(ar); + + if (!vif) + return -EIO; + + if (ar->wmi->pwr_mode != ar->wmi->saved_pwr_mode) { + ret = ath6kl_wmi_powermode_cmd(ar->wmi, 0, + ar->wmi->saved_pwr_mode); + if (ret) + return ret; + } + + ret = ath6kl_wmi_set_host_sleep_mode_cmd(ar->wmi, vif->fw_vif_idx, + ATH6KL_HOST_MODE_AWAKE); + if (ret) + return ret; + + ar->state = ATH6KL_STATE_ON; + + /* Reset scan parameter to default values */ + ret = ath6kl_wmi_scanparams_cmd(ar->wmi, vif->fw_vif_idx, + 0, 0, 0, 0, 0, 0, 3, 0, 0, 0); + if (ret) + return ret; + + return 0; +} + int ath6kl_cfg80211_suspend(struct ath6kl *ar, enum ath6kl_cfg_suspend_mode mode, struct cfg80211_wowlan *wow) { + struct ath6kl_vif *vif; + enum ath6kl_state prev_state; int ret; switch (mode) { @@ -1851,25 +2418,25 @@ int ath6kl_cfg80211_suspend(struct ath6kl *ar, /* Flush all non control pkts in TX path */ ath6kl_tx_data_cleanup(ar); + prev_state = ar->state; + ret = ath6kl_wow_suspend(ar, wow); if (ret) { - ath6kl_err("wow suspend failed: %d\n", ret); + ar->state = prev_state; return ret; } + ar->state = ATH6KL_STATE_WOW; break; case ATH6KL_CFG_SUSPEND_DEEPSLEEP: - ath6kl_cfg80211_stop_all(ar); + ath6kl_dbg(ATH6KL_DBG_SUSPEND, "deep sleep suspend\n"); - /* save the current power mode before enabling power save */ - ar->wmi->saved_pwr_mode = ar->wmi->pwr_mode; - - ret = ath6kl_wmi_powermode_cmd(ar->wmi, 0, REC_POWER); + ret = ath6kl_cfg80211_deepsleep_suspend(ar); if (ret) { - ath6kl_warn("wmi powermode command failed during suspend: %d\n", - ret); + ath6kl_err("deepsleep suspend failed: %d\n", ret); + return ret; } ar->state = ATH6KL_STATE_DEEPSLEEP; @@ -1898,19 +2465,16 @@ int ath6kl_cfg80211_suspend(struct ath6kl *ar, break; - case ATH6KL_CFG_SUSPEND_SCHED_SCAN: - /* - * Nothing needed for schedule scan, firmware is already in - * wow mode and sleeping most of the time. - */ - break; - default: break; } + list_for_each_entry(vif, &ar->vif_list, list) + ath6kl_cfg80211_scan_complete_event(vif, true); + return 0; } +EXPORT_SYMBOL(ath6kl_cfg80211_suspend); int ath6kl_cfg80211_resume(struct ath6kl *ar) { @@ -1926,21 +2490,16 @@ int ath6kl_cfg80211_resume(struct ath6kl *ar) return ret; } - ar->state = ATH6KL_STATE_ON; break; case ATH6KL_STATE_DEEPSLEEP: - if (ar->wmi->pwr_mode != ar->wmi->saved_pwr_mode) { - ret = ath6kl_wmi_powermode_cmd(ar->wmi, 0, - ar->wmi->saved_pwr_mode); - if (ret) { - ath6kl_warn("wmi powermode command failed during resume: %d\n", - ret); - } - } - - ar->state = ATH6KL_STATE_ON; + ath6kl_dbg(ATH6KL_DBG_SUSPEND, "deep sleep resume\n"); + ret = ath6kl_cfg80211_deepsleep_resume(ar); + if (ret) { + ath6kl_warn("deep sleep resume failed: %d\n", ret); + return ret; + } break; case ATH6KL_STATE_CUTPOWER: @@ -1953,15 +2512,13 @@ int ath6kl_cfg80211_resume(struct ath6kl *ar) } break; - case ATH6KL_STATE_SCHED_SCAN: - break; - default: break; } return 0; } +EXPORT_SYMBOL(ath6kl_cfg80211_resume); #ifdef CONFIG_PM @@ -1971,14 +2528,23 @@ static int __ath6kl_cfg80211_suspend(struct wiphy *wiphy, { struct ath6kl *ar = wiphy_priv(wiphy); + ath6kl_recovery_suspend(ar); + return ath6kl_hif_suspend(ar, wow); } static int __ath6kl_cfg80211_resume(struct wiphy *wiphy) { struct ath6kl *ar = wiphy_priv(wiphy); + int err; + + err = ath6kl_hif_resume(ar); + if (err) + return err; - return ath6kl_hif_resume(ar); + ath6kl_recovery_resume(ar); + + return 0; } /* @@ -1999,6 +2565,9 @@ static int __ath6kl_cfg80211_resume(struct wiphy *wiphy) */ void ath6kl_check_wow_status(struct ath6kl *ar) { + if (ar->state == ATH6KL_STATE_SUSPENDING) + return; + if (ar->state == ATH6KL_STATE_WOW) ath6kl_cfg80211_resume(ar); } @@ -2010,20 +2579,43 @@ void ath6kl_check_wow_status(struct ath6kl *ar) } #endif -static int ath6kl_set_channel(struct wiphy *wiphy, struct net_device *dev, - struct ieee80211_channel *chan, - enum nl80211_channel_type channel_type) +static int ath6kl_set_htcap(struct ath6kl_vif *vif, enum ieee80211_band band, + bool ht_enable) { - struct ath6kl_vif *vif = netdev_priv(dev); + struct ath6kl_htcap *htcap = &vif->htcap[band]; - if (!ath6kl_cfg80211_ready(vif)) - return -EIO; + if (htcap->ht_enable == ht_enable) + return 0; - ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: center_freq=%u hw_value=%u\n", - __func__, chan->center_freq, chan->hw_value); - vif->next_chan = chan->center_freq; + if (ht_enable) { + /* Set default ht capabilities */ + htcap->ht_enable = true; + htcap->cap_info = (band == IEEE80211_BAND_2GHZ) ? + ath6kl_g_htcap : ath6kl_a_htcap; + htcap->ampdu_factor = IEEE80211_HT_MAX_AMPDU_16K; + } else /* Disable ht */ + memset(htcap, 0, sizeof(*htcap)); - return 0; + return ath6kl_wmi_set_htcap_cmd(vif->ar->wmi, vif->fw_vif_idx, + band, htcap); +} + +static int ath6kl_restore_htcap(struct ath6kl_vif *vif) +{ + struct wiphy *wiphy = vif->ar->wiphy; + int band, ret = 0; + + for (band = 0; band < IEEE80211_NUM_BANDS; band++) { + if (!wiphy->bands[band]) + continue; + + ret = ath6kl_set_htcap(vif, band, + wiphy->bands[band]->ht_cap.ht_supported); + if (ret) + return ret; + } + + return ret; } static bool ath6kl_is_p2p_ie(const u8 *pos) @@ -2069,19 +2661,105 @@ static int ath6kl_set_ap_probe_resp_ies(struct ath6kl_vif *vif, return ret; } -static int ath6kl_ap_beacon(struct wiphy *wiphy, struct net_device *dev, - struct beacon_parameters *info, bool add) +static int ath6kl_set_ies(struct ath6kl_vif *vif, + struct cfg80211_beacon_data *info) +{ + struct ath6kl *ar = vif->ar; + int res; + + /* this also clears IE in fw if it's not set */ + res = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx, + WMI_FRAME_BEACON, + info->beacon_ies, + info->beacon_ies_len); + if (res) + return res; + + /* this also clears IE in fw if it's not set */ + res = ath6kl_set_ap_probe_resp_ies(vif, info->proberesp_ies, + info->proberesp_ies_len); + if (res) + return res; + + /* this also clears IE in fw if it's not set */ + res = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx, + WMI_FRAME_ASSOC_RESP, + info->assocresp_ies, + info->assocresp_ies_len); + if (res) + return res; + + return 0; +} + +static int ath6kl_get_rsn_capab(struct cfg80211_beacon_data *beacon, + u8 *rsn_capab) +{ + const u8 *rsn_ie; + size_t rsn_ie_len; + u16 cnt; + + if (!beacon->tail) + return -EINVAL; + + rsn_ie = cfg80211_find_ie(WLAN_EID_RSN, beacon->tail, beacon->tail_len); + if (!rsn_ie) + return -EINVAL; + + rsn_ie_len = *(rsn_ie + 1); + /* skip element id and length */ + rsn_ie += 2; + + /* skip version */ + if (rsn_ie_len < 2) + return -EINVAL; + rsn_ie += 2; + rsn_ie_len -= 2; + + /* skip group cipher suite */ + if (rsn_ie_len < 4) + return 0; + rsn_ie += 4; + rsn_ie_len -= 4; + + /* skip pairwise cipher suite */ + if (rsn_ie_len < 2) + return 0; + cnt = get_unaligned_le16(rsn_ie); + rsn_ie += (2 + cnt * 4); + rsn_ie_len -= (2 + cnt * 4); + + /* skip akm suite */ + if (rsn_ie_len < 2) + return 0; + cnt = get_unaligned_le16(rsn_ie); + rsn_ie += (2 + cnt * 4); + rsn_ie_len -= (2 + cnt * 4); + + if (rsn_ie_len < 2) + return 0; + + memcpy(rsn_capab, rsn_ie, 2); + + return 0; +} + +static int ath6kl_start_ap(struct wiphy *wiphy, struct net_device *dev, + struct cfg80211_ap_settings *info) { struct ath6kl *ar = ath6kl_priv(dev); struct ath6kl_vif *vif = netdev_priv(dev); struct ieee80211_mgmt *mgmt; + bool hidden = false; u8 *ies; int ies_len; struct wmi_connect_cmd p; int res; int i, ret; + u16 rsn_capab = 0; + int inactivity_timeout = 0; - ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: add=%d\n", __func__, add); + ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s:\n", __func__); if (!ath6kl_cfg80211_ready(vif)) return -EIO; @@ -2089,53 +2767,41 @@ static int ath6kl_ap_beacon(struct wiphy *wiphy, struct net_device *dev, if (vif->next_mode != AP_NETWORK) return -EOPNOTSUPP; - if (info->beacon_ies) { - res = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx, - WMI_FRAME_BEACON, - info->beacon_ies, - info->beacon_ies_len); - if (res) - return res; - } - if (info->proberesp_ies) { - res = ath6kl_set_ap_probe_resp_ies(vif, info->proberesp_ies, - info->proberesp_ies_len); - if (res) - return res; - } - if (info->assocresp_ies) { - res = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx, - WMI_FRAME_ASSOC_RESP, - info->assocresp_ies, - info->assocresp_ies_len); - if (res) - return res; - } - - if (!add) - return 0; + res = ath6kl_set_ies(vif, &info->beacon); ar->ap_mode_bkey.valid = false; - /* TODO: - * info->interval - * info->dtim_period - */ + ret = ath6kl_wmi_ap_set_beacon_intvl_cmd(ar->wmi, vif->fw_vif_idx, + info->beacon_interval); + + if (ret) + ath6kl_warn("Failed to set beacon interval: %d\n", ret); + + ret = ath6kl_wmi_ap_set_dtim_cmd(ar->wmi, vif->fw_vif_idx, + info->dtim_period); - if (info->head == NULL) + /* ignore error, just print a warning and continue normally */ + if (ret) + ath6kl_warn("Failed to set dtim_period in beacon: %d\n", ret); + + if (info->beacon.head == NULL) return -EINVAL; - mgmt = (struct ieee80211_mgmt *) info->head; + mgmt = (struct ieee80211_mgmt *) info->beacon.head; ies = mgmt->u.beacon.variable; - if (ies > info->head + info->head_len) + if (ies > info->beacon.head + info->beacon.head_len) return -EINVAL; - ies_len = info->head + info->head_len - ies; + ies_len = info->beacon.head + info->beacon.head_len - ies; if (info->ssid == NULL) return -EINVAL; memcpy(vif->ssid, info->ssid, info->ssid_len); vif->ssid_len = info->ssid_len; if (info->hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE) - return -EOPNOTSUPP; /* TODO */ + hidden = true; + + res = ath6kl_wmi_ap_hidden_ssid(ar->wmi, vif->fw_vif_idx, hidden); + if (res) + return res; ret = ath6kl_set_auth_type(vif, info->auth_type); if (ret) @@ -2183,8 +2849,9 @@ static int ath6kl_ap_beacon(struct wiphy *wiphy, struct net_device *dev, if (p.prwise_crypto_type == 0) { p.prwise_crypto_type = NONE_CRYPT; ath6kl_set_cipher(vif, 0, true); - } else if (info->crypto.n_ciphers_pairwise == 1) + } else if (info->crypto.n_ciphers_pairwise == 1) { ath6kl_set_cipher(vif, info->crypto.ciphers_pairwise[0], true); + } switch (info->crypto.cipher_group) { case WLAN_CIPHER_SUITE_WEP40: @@ -2212,7 +2879,12 @@ static int ath6kl_ap_beacon(struct wiphy *wiphy, struct net_device *dev, p.ssid_len = vif->ssid_len; memcpy(p.ssid, vif->ssid, vif->ssid_len); p.dot11_auth_mode = vif->dot11_auth_mode; - p.ch = cpu_to_le16(vif->next_chan); + p.ch = cpu_to_le16(info->chandef.chan->center_freq); + + /* Enable uAPSD support by default */ + res = ath6kl_wmi_ap_set_apsd(ar->wmi, vif->fw_vif_idx, true); + if (res < 0) + return res; if (vif->wdev.iftype == NL80211_IFTYPE_P2P_GO) { p.nw_subtype = SUBTYPE_P2PGO; @@ -2224,6 +2896,43 @@ static int ath6kl_ap_beacon(struct wiphy *wiphy, struct net_device *dev, p.nw_subtype = SUBTYPE_NONE; } + if (info->inactivity_timeout) { + inactivity_timeout = info->inactivity_timeout; + + if (ar->hw.flags & ATH6KL_HW_AP_INACTIVITY_MINS) + inactivity_timeout = DIV_ROUND_UP(inactivity_timeout, + 60); + + res = ath6kl_wmi_set_inact_period(ar->wmi, vif->fw_vif_idx, + inactivity_timeout); + if (res < 0) + return res; + } + + if (ath6kl_set_htcap(vif, info->chandef.chan->band, + cfg80211_get_chandef_type(&info->chandef) + != NL80211_CHAN_NO_HT)) + return -EIO; + + /* + * Get the PTKSA replay counter in the RSN IE. Supplicant + * will use the RSN IE in M3 message and firmware has to + * advertise the same in beacon/probe response. Send + * the complete RSN IE capability field to firmware + */ + if (!ath6kl_get_rsn_capab(&info->beacon, (u8 *) &rsn_capab) && + test_bit(ATH6KL_FW_CAPABILITY_RSN_CAP_OVERRIDE, + ar->fw_capabilities)) { + res = ath6kl_wmi_set_ie_cmd(ar->wmi, vif->fw_vif_idx, + WLAN_EID_RSN, WMI_RSN_IE_CAPB, + (const u8 *) &rsn_capab, + sizeof(rsn_capab)); + vif->rsn_capab = rsn_capab; + if (res < 0) + return res; + } + + memcpy(&vif->profile, &p, sizeof(p)); res = ath6kl_wmi_ap_profile_commit(ar->wmi, vif->fw_vif_idx, &p); if (res < 0) return res; @@ -2231,19 +2940,21 @@ static int ath6kl_ap_beacon(struct wiphy *wiphy, struct net_device *dev, return 0; } -static int ath6kl_add_beacon(struct wiphy *wiphy, struct net_device *dev, - struct beacon_parameters *info) +static int ath6kl_change_beacon(struct wiphy *wiphy, struct net_device *dev, + struct cfg80211_beacon_data *beacon) { - return ath6kl_ap_beacon(wiphy, dev, info, true); -} + struct ath6kl_vif *vif = netdev_priv(dev); -static int ath6kl_set_beacon(struct wiphy *wiphy, struct net_device *dev, - struct beacon_parameters *info) -{ - return ath6kl_ap_beacon(wiphy, dev, info, false); + if (!ath6kl_cfg80211_ready(vif)) + return -EIO; + + if (vif->next_mode != AP_NETWORK) + return -EOPNOTSUPP; + + return ath6kl_set_ies(vif, beacon); } -static int ath6kl_del_beacon(struct wiphy *wiphy, struct net_device *dev) +static int ath6kl_stop_ap(struct wiphy *wiphy, struct net_device *dev) { struct ath6kl *ar = ath6kl_priv(dev); struct ath6kl_vif *vif = netdev_priv(dev); @@ -2256,21 +2967,38 @@ static int ath6kl_del_beacon(struct wiphy *wiphy, struct net_device *dev) ath6kl_wmi_disconnect_cmd(ar->wmi, vif->fw_vif_idx); clear_bit(CONNECTED, &vif->flags); - return 0; + /* Restore ht setting in firmware */ + return ath6kl_restore_htcap(vif); +} + +static const u8 bcast_addr[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }; + +static int ath6kl_del_station(struct wiphy *wiphy, struct net_device *dev, + const u8 *mac) +{ + struct ath6kl *ar = ath6kl_priv(dev); + struct ath6kl_vif *vif = netdev_priv(dev); + const u8 *addr = mac ? mac : bcast_addr; + + return ath6kl_wmi_ap_set_mlme(ar->wmi, vif->fw_vif_idx, WMI_AP_DEAUTH, + addr, WLAN_REASON_PREV_AUTH_NOT_VALID); } static int ath6kl_change_station(struct wiphy *wiphy, struct net_device *dev, - u8 *mac, struct station_parameters *params) + const u8 *mac, + struct station_parameters *params) { struct ath6kl *ar = ath6kl_priv(dev); struct ath6kl_vif *vif = netdev_priv(dev); + int err; if (vif->nw_type != AP_NETWORK) return -EOPNOTSUPP; - /* Use this only for authorizing/unauthorizing a station */ - if (!(params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED))) - return -EOPNOTSUPP; + err = cfg80211_check_station_change(wiphy, params, + CFG80211_STA_AP_MLME_CLIENT); + if (err) + return err; if (params->sta_flags_set & BIT(NL80211_STA_FLAG_AUTHORIZED)) return ath6kl_wmi_ap_set_mlme(ar->wmi, vif->fw_vif_idx, @@ -2280,14 +3008,13 @@ static int ath6kl_change_station(struct wiphy *wiphy, struct net_device *dev, } static int ath6kl_remain_on_channel(struct wiphy *wiphy, - struct net_device *dev, + struct wireless_dev *wdev, struct ieee80211_channel *chan, - enum nl80211_channel_type channel_type, unsigned int duration, u64 *cookie) { - struct ath6kl *ar = ath6kl_priv(dev); - struct ath6kl_vif *vif = netdev_priv(dev); + struct ath6kl_vif *vif = ath6kl_vif_from_wdev(wdev); + struct ath6kl *ar = ath6kl_priv(vif->ndev); u32 id; /* TODO: if already pending or ongoing remain-on-channel, @@ -2304,11 +3031,11 @@ static int ath6kl_remain_on_channel(struct wiphy *wiphy, } static int ath6kl_cancel_remain_on_channel(struct wiphy *wiphy, - struct net_device *dev, + struct wireless_dev *wdev, u64 cookie) { - struct ath6kl *ar = ath6kl_priv(dev); - struct ath6kl_vif *vif = netdev_priv(dev); + struct ath6kl_vif *vif = ath6kl_vif_from_wdev(wdev); + struct ath6kl *ar = ath6kl_priv(vif->ndev); if (cookie != vif->last_roc_id) return -ENOENT; @@ -2354,29 +3081,126 @@ static int ath6kl_send_go_probe_resp(struct ath6kl_vif *vif, return ret; } -static int ath6kl_mgmt_tx(struct wiphy *wiphy, struct net_device *dev, - struct ieee80211_channel *chan, bool offchan, - enum nl80211_channel_type channel_type, - bool channel_type_valid, unsigned int wait, - const u8 *buf, size_t len, bool no_cck, - bool dont_wait_for_ack, u64 *cookie) +static bool ath6kl_mgmt_powersave_ap(struct ath6kl_vif *vif, + u32 id, + u32 freq, + u32 wait, + const u8 *buf, + size_t len, + bool *more_data, + bool no_cck) +{ + struct ieee80211_mgmt *mgmt; + struct ath6kl_sta *conn; + bool is_psq_empty = false; + struct ath6kl_mgmt_buff *mgmt_buf; + size_t mgmt_buf_size; + struct ath6kl *ar = vif->ar; + + mgmt = (struct ieee80211_mgmt *) buf; + if (is_multicast_ether_addr(mgmt->da)) + return false; + + conn = ath6kl_find_sta(vif, mgmt->da); + if (!conn) + return false; + + if (conn->sta_flags & STA_PS_SLEEP) { + if (!(conn->sta_flags & STA_PS_POLLED)) { + /* Queue the frames if the STA is sleeping */ + mgmt_buf_size = len + sizeof(struct ath6kl_mgmt_buff); + mgmt_buf = kmalloc(mgmt_buf_size, GFP_KERNEL); + if (!mgmt_buf) + return false; + + INIT_LIST_HEAD(&mgmt_buf->list); + mgmt_buf->id = id; + mgmt_buf->freq = freq; + mgmt_buf->wait = wait; + mgmt_buf->len = len; + mgmt_buf->no_cck = no_cck; + memcpy(mgmt_buf->buf, buf, len); + spin_lock_bh(&conn->psq_lock); + is_psq_empty = skb_queue_empty(&conn->psq) && + (conn->mgmt_psq_len == 0); + list_add_tail(&mgmt_buf->list, &conn->mgmt_psq); + conn->mgmt_psq_len++; + spin_unlock_bh(&conn->psq_lock); + + /* + * If this is the first pkt getting queued + * for this STA, update the PVB for this + * STA. + */ + if (is_psq_empty) + ath6kl_wmi_set_pvb_cmd(ar->wmi, vif->fw_vif_idx, + conn->aid, 1); + return true; + } + + /* + * This tx is because of a PsPoll. + * Determine if MoreData bit has to be set. + */ + spin_lock_bh(&conn->psq_lock); + if (!skb_queue_empty(&conn->psq) || (conn->mgmt_psq_len != 0)) + *more_data = true; + spin_unlock_bh(&conn->psq_lock); + } + + return false; +} + +/* Check if SSID length is greater than DIRECT- */ +static bool ath6kl_is_p2p_go_ssid(const u8 *buf, size_t len) { - struct ath6kl *ar = ath6kl_priv(dev); - struct ath6kl_vif *vif = netdev_priv(dev); - u32 id; const struct ieee80211_mgmt *mgmt; + mgmt = (const struct ieee80211_mgmt *) buf; + + /* variable[1] contains the SSID tag length */ + if (buf + len >= &mgmt->u.probe_resp.variable[1] && + (mgmt->u.probe_resp.variable[1] > P2P_WILDCARD_SSID_LEN)) { + return true; + } + + return false; +} + +static int ath6kl_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev, + struct cfg80211_mgmt_tx_params *params, u64 *cookie) +{ + struct ath6kl_vif *vif = ath6kl_vif_from_wdev(wdev); + struct ath6kl *ar = ath6kl_priv(vif->ndev); + struct ieee80211_channel *chan = params->chan; + const u8 *buf = params->buf; + size_t len = params->len; + unsigned int wait = params->wait; + bool no_cck = params->no_cck; + u32 id, freq; + const struct ieee80211_mgmt *mgmt; + bool more_data, queued; + + /* default to the current channel, but use the one specified as argument + * if any + */ + freq = vif->ch_hint; + if (chan) + freq = chan->center_freq; + + /* never send freq zero to the firmware */ + if (WARN_ON(freq == 0)) + return -EINVAL; mgmt = (const struct ieee80211_mgmt *) buf; - if (buf + len >= mgmt->u.probe_resp.variable && - vif->nw_type == AP_NETWORK && test_bit(CONNECTED, &vif->flags) && - ieee80211_is_probe_resp(mgmt->frame_control)) { + if (vif->nw_type == AP_NETWORK && test_bit(CONNECTED, &vif->flags) && + ieee80211_is_probe_resp(mgmt->frame_control) && + ath6kl_is_p2p_go_ssid(buf, len)) { /* - * Send Probe Response frame in AP mode using a separate WMI + * Send Probe Response frame in GO mode using a separate WMI * command to allow the target to fill in the generic IEs. */ *cookie = 0; /* TX status not supported */ - return ath6kl_send_go_probe_resp(vif, buf, len, - chan->center_freq); + return ath6kl_send_go_probe_resp(vif, buf, len, freq); } id = vif->send_action_id++; @@ -2390,29 +3214,23 @@ static int ath6kl_mgmt_tx(struct wiphy *wiphy, struct net_device *dev, *cookie = id; - if (test_bit(ATH6KL_FW_CAPABILITY_STA_P2PDEV_DUPLEX, - ar->fw_capabilities)) { - /* - * If capable of doing P2P mgmt operations using - * station interface, send additional information like - * supported rates to advertise and xmit rates for - * probe requests - */ - return ath6kl_wmi_send_mgmt_cmd(ar->wmi, vif->fw_vif_idx, id, - chan->center_freq, wait, - buf, len, no_cck); - } else { - return ath6kl_wmi_send_action_cmd(ar->wmi, vif->fw_vif_idx, id, - chan->center_freq, wait, - buf, len); + /* AP mode Power saving processing */ + if (vif->nw_type == AP_NETWORK) { + queued = ath6kl_mgmt_powersave_ap(vif, id, freq, wait, buf, len, + &more_data, no_cck); + if (queued) + return 0; } + + return ath6kl_wmi_send_mgmt_cmd(ar->wmi, vif->fw_vif_idx, id, freq, + wait, buf, len, no_cck); } static void ath6kl_mgmt_frame_register(struct wiphy *wiphy, - struct net_device *dev, + struct wireless_dev *wdev, u16 frame_type, bool reg) { - struct ath6kl_vif *vif = netdev_priv(dev); + struct ath6kl_vif *vif = ath6kl_vif_from_wdev(wdev); ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: frame_type=0x%x reg=%d\n", __func__, frame_type, reg); @@ -2433,8 +3251,16 @@ static int ath6kl_cfg80211_sscan_start(struct wiphy *wiphy, struct ath6kl *ar = ath6kl_priv(dev); struct ath6kl_vif *vif = netdev_priv(dev); u16 interval; - int ret; - u8 i; + int ret, rssi_thold; + int n_match_sets = request->n_match_sets; + + /* + * If there's a matchset w/o an SSID, then assume it's just for + * the RSSI (nothing else is currently supported) and ignore it. + * The device only supports a global RSSI filter that we set below. + */ + if (n_match_sets == 1 && !request->match_sets[0].ssid.ssid_len) + n_match_sets = 0; if (ar->state != ATH6KL_STATE_ON) return -EIO; @@ -2442,10 +3268,42 @@ static int ath6kl_cfg80211_sscan_start(struct wiphy *wiphy, if (vif->sme_state != SME_DISCONNECTED) return -EBUSY; - for (i = 0; i < ar->wiphy->max_sched_scan_ssids; i++) { - ath6kl_wmi_probedssid_cmd(ar->wmi, vif->fw_vif_idx, - i, DISABLE_SSID_FLAG, - 0, NULL); + ath6kl_cfg80211_scan_complete_event(vif, true); + + ret = ath6kl_set_probed_ssids(ar, vif, request->ssids, + request->n_ssids, + request->match_sets, + n_match_sets); + if (ret < 0) + return ret; + + if (!n_match_sets) { + ret = ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx, + ALL_BSS_FILTER, 0); + if (ret < 0) + return ret; + } else { + ret = ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx, + MATCHED_SSID_FILTER, 0); + if (ret < 0) + return ret; + } + + if (test_bit(ATH6KL_FW_CAPABILITY_RSSI_SCAN_THOLD, + ar->fw_capabilities)) { + if (request->min_rssi_thold <= NL80211_SCAN_RSSI_THOLD_OFF) + rssi_thold = 0; + else if (request->min_rssi_thold < -127) + rssi_thold = -127; + else + rssi_thold = request->min_rssi_thold; + + ret = ath6kl_wmi_set_rssi_filter_cmd(ar->wmi, vif->fw_vif_idx, + rssi_thold); + if (ret) { + ath6kl_err("failed to set RSSI threshold for scan\n"); + return ret; + } } /* fw uses seconds, also make sure that it's >0 */ @@ -2453,47 +3311,25 @@ static int ath6kl_cfg80211_sscan_start(struct wiphy *wiphy, ath6kl_wmi_scanparams_cmd(ar->wmi, vif->fw_vif_idx, interval, interval, - 10, 0, 0, 0, 3, 0, 0, 0); - - if (request->n_ssids && request->ssids[0].ssid_len) { - for (i = 0; i < request->n_ssids; i++) { - ath6kl_wmi_probedssid_cmd(ar->wmi, vif->fw_vif_idx, - i, SPECIFIC_SSID_FLAG, - request->ssids[i].ssid_len, - request->ssids[i].ssid); - } - } - - ret = ath6kl_wmi_set_wow_mode_cmd(ar->wmi, vif->fw_vif_idx, - ATH6KL_WOW_MODE_ENABLE, - WOW_FILTER_SSID, - WOW_HOST_REQ_DELAY); - if (ret) { - ath6kl_warn("Failed to enable wow with ssid filter: %d\n", ret); - return ret; - } + vif->bg_scan_period, 0, 0, 0, 3, 0, 0, 0); /* this also clears IE in fw if it's not set */ ret = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx, WMI_FRAME_PROBE_REQ, request->ie, request->ie_len); if (ret) { - ath6kl_warn("Failed to set probe request IE for scheduled scan: %d", + ath6kl_warn("Failed to set probe request IE for scheduled scan: %d\n", ret); return ret; } - ret = ath6kl_wmi_set_host_sleep_mode_cmd(ar->wmi, vif->fw_vif_idx, - ATH6KL_HOST_MODE_ASLEEP); - if (ret) { - ath6kl_warn("Failed to enable host sleep mode for sched scan: %d\n", - ret); + ret = ath6kl_wmi_enable_sched_scan_cmd(ar->wmi, vif->fw_vif_idx, true); + if (ret) return ret; - } - ar->state = ATH6KL_STATE_SCHED_SCAN; + set_bit(SCHED_SCANNING, &vif->flags); - return ret; + return 0; } static int ath6kl_cfg80211_sscan_stop(struct wiphy *wiphy, @@ -2510,6 +3346,39 @@ static int ath6kl_cfg80211_sscan_stop(struct wiphy *wiphy, return 0; } +static int ath6kl_cfg80211_set_bitrate(struct wiphy *wiphy, + struct net_device *dev, + const u8 *addr, + const struct cfg80211_bitrate_mask *mask) +{ + struct ath6kl *ar = ath6kl_priv(dev); + struct ath6kl_vif *vif = netdev_priv(dev); + + return ath6kl_wmi_set_bitrate_mask(ar->wmi, vif->fw_vif_idx, + mask); +} + +static int ath6kl_cfg80211_set_txe_config(struct wiphy *wiphy, + struct net_device *dev, + u32 rate, u32 pkts, u32 intvl) +{ + struct ath6kl *ar = ath6kl_priv(dev); + struct ath6kl_vif *vif = netdev_priv(dev); + + if (vif->nw_type != INFRA_NETWORK || + !test_bit(ATH6KL_FW_CAPABILITY_TX_ERR_NOTIFY, ar->fw_capabilities)) + return -EOPNOTSUPP; + + if (vif->sme_state != SME_CONNECTED) + return -ENOTCONN; + + /* save this since the firmware won't report the interval */ + vif->txe_intvl = intvl; + + return ath6kl_wmi_set_txe_notify(ar->wmi, vif->fw_vif_idx, + rate, pkts, intvl); +} + static const struct ieee80211_txrx_stypes ath6kl_mgmt_stypes[NUM_NL80211_IFTYPES] = { [NL80211_IFTYPE_STATION] = { @@ -2518,6 +3387,12 @@ ath6kl_mgmt_stypes[NUM_NL80211_IFTYPES] = { .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | BIT(IEEE80211_STYPE_PROBE_REQ >> 4) }, + [NL80211_IFTYPE_AP] = { + .tx = BIT(IEEE80211_STYPE_ACTION >> 4) | + BIT(IEEE80211_STYPE_PROBE_RESP >> 4), + .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | + BIT(IEEE80211_STYPE_PROBE_REQ >> 4) + }, [NL80211_IFTYPE_P2P_CLIENT] = { .tx = BIT(IEEE80211_STYPE_ACTION >> 4) | BIT(IEEE80211_STYPE_PROBE_RESP >> 4), @@ -2558,10 +3433,10 @@ static struct cfg80211_ops ath6kl_cfg80211_ops = { .suspend = __ath6kl_cfg80211_suspend, .resume = __ath6kl_cfg80211_resume, #endif - .set_channel = ath6kl_set_channel, - .add_beacon = ath6kl_add_beacon, - .set_beacon = ath6kl_set_beacon, - .del_beacon = ath6kl_del_beacon, + .start_ap = ath6kl_start_ap, + .change_beacon = ath6kl_change_beacon, + .stop_ap = ath6kl_stop_ap, + .del_station = ath6kl_del_station, .change_station = ath6kl_change_station, .remain_on_channel = ath6kl_remain_on_channel, .cancel_remain_on_channel = ath6kl_cancel_remain_on_channel, @@ -2569,6 +3444,8 @@ static struct cfg80211_ops ath6kl_cfg80211_ops = { .mgmt_frame_register = ath6kl_mgmt_frame_register, .sched_scan_start = ath6kl_cfg80211_sscan_start, .sched_scan_stop = ath6kl_cfg80211_sscan_stop, + .set_bitrate_mask = ath6kl_cfg80211_set_bitrate, + .set_cqm_txe_config = ath6kl_cfg80211_set_txe_config, }; void ath6kl_cfg80211_stop(struct ath6kl_vif *vif) @@ -2589,16 +3466,22 @@ void ath6kl_cfg80211_stop(struct ath6kl_vif *vif) break; } - if (test_bit(CONNECTED, &vif->flags) || - test_bit(CONNECT_PEND, &vif->flags)) + if (vif->ar->state != ATH6KL_STATE_RECOVERY && + (test_bit(CONNECTED, &vif->flags) || + test_bit(CONNECT_PEND, &vif->flags))) ath6kl_wmi_disconnect_cmd(vif->ar->wmi, vif->fw_vif_idx); vif->sme_state = SME_DISCONNECTED; clear_bit(CONNECTED, &vif->flags); clear_bit(CONNECT_PEND, &vif->flags); + /* Stop netdev queues, needed during recovery */ + netif_stop_queue(vif->ndev); + netif_carrier_off(vif->ndev); + /* disable scanning */ - if (ath6kl_wmi_scanparams_cmd(vif->ar->wmi, vif->fw_vif_idx, 0xFFFF, + if (vif->ar->state != ATH6KL_STATE_RECOVERY && + ath6kl_wmi_scanparams_cmd(vif->ar->wmi, vif->fw_vif_idx, 0xFFFF, 0, 0, 0, 0, 0, 0, 0, 0, 0) != 0) ath6kl_warn("failed to disable scan during stop\n"); @@ -2610,13 +3493,12 @@ void ath6kl_cfg80211_stop_all(struct ath6kl *ar) struct ath6kl_vif *vif; vif = ath6kl_vif_first(ar); - if (!vif) { + if (!vif && ar->state != ATH6KL_STATE_RECOVERY) { /* save the current power mode before enabling power save */ ar->wmi->saved_pwr_mode = ar->wmi->pwr_mode; if (ath6kl_wmi_powermode_cmd(ar->wmi, 0, REC_POWER) != 0) - ath6kl_warn("ath6kl_deep_sleep_enable: " - "wmi_powermode_cmd failed\n"); + ath6kl_warn("ath6kl_deep_sleep_enable: wmi_powermode_cmd failed\n"); return; } @@ -2629,122 +3511,53 @@ void ath6kl_cfg80211_stop_all(struct ath6kl *ar) ath6kl_cfg80211_stop(vif); } -struct ath6kl *ath6kl_core_alloc(struct device *dev) -{ - struct ath6kl *ar; - struct wiphy *wiphy; - u8 ctr; - - /* create a new wiphy for use with cfg80211 */ - wiphy = wiphy_new(&ath6kl_cfg80211_ops, sizeof(struct ath6kl)); - - if (!wiphy) { - ath6kl_err("couldn't allocate wiphy device\n"); - return NULL; - } - - ar = wiphy_priv(wiphy); - ar->p2p = !!ath6kl_p2p; - ar->wiphy = wiphy; - ar->dev = dev; - - ar->vif_max = 1; - - ar->max_norm_iface = 1; - - spin_lock_init(&ar->lock); - spin_lock_init(&ar->mcastpsq_lock); - spin_lock_init(&ar->list_lock); - - init_waitqueue_head(&ar->event_wq); - sema_init(&ar->sem, 1); - - INIT_LIST_HEAD(&ar->amsdu_rx_buffer_queue); - INIT_LIST_HEAD(&ar->vif_list); - - clear_bit(WMI_ENABLED, &ar->flag); - clear_bit(SKIP_SCAN, &ar->flag); - clear_bit(DESTROY_IN_PROGRESS, &ar->flag); - - ar->listen_intvl_t = A_DEFAULT_LISTEN_INTERVAL; - ar->listen_intvl_b = 0; - ar->tx_pwr = 0; - - ar->intra_bss = 1; - ar->lrssi_roam_threshold = DEF_LRSSI_ROAM_THRESHOLD; - - ar->state = ATH6KL_STATE_OFF; - - memset((u8 *)ar->sta_list, 0, - AP_MAX_NUM_STA * sizeof(struct ath6kl_sta)); - - /* Init the PS queues */ - for (ctr = 0; ctr < AP_MAX_NUM_STA; ctr++) { - spin_lock_init(&ar->sta_list[ctr].psq_lock); - skb_queue_head_init(&ar->sta_list[ctr].psq); - } - - skb_queue_head_init(&ar->mcastpsq); - - memcpy(ar->ap_country_code, DEF_AP_COUNTRY_CODE, 3); - - return ar; -} - -int ath6kl_register_ieee80211_hw(struct ath6kl *ar) +static void ath6kl_cfg80211_reg_notify(struct wiphy *wiphy, + struct regulatory_request *request) { - struct wiphy *wiphy = ar->wiphy; - int ret; - - wiphy->mgmt_stypes = ath6kl_mgmt_stypes; + struct ath6kl *ar = wiphy_priv(wiphy); + u32 rates[IEEE80211_NUM_BANDS]; + int ret, i; - wiphy->max_remain_on_channel_duration = 5000; + ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, + "cfg reg_notify %c%c%s%s initiator %d hint_type %d\n", + request->alpha2[0], request->alpha2[1], + request->intersect ? " intersect" : "", + request->processed ? " processed" : "", + request->initiator, request->user_reg_hint_type); - /* set device pointer for wiphy */ - set_wiphy_dev(wiphy, ar->dev); + if (request->user_reg_hint_type != NL80211_USER_REG_HINT_CELL_BASE) + return; - wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | - BIT(NL80211_IFTYPE_ADHOC) | - BIT(NL80211_IFTYPE_AP); - if (ar->p2p) { - wiphy->interface_modes |= BIT(NL80211_IFTYPE_P2P_GO) | - BIT(NL80211_IFTYPE_P2P_CLIENT); + ret = ath6kl_wmi_set_regdomain_cmd(ar->wmi, request->alpha2); + if (ret) { + ath6kl_err("failed to set regdomain: %d\n", ret); + return; } - /* max num of ssids that can be probed during scanning */ - wiphy->max_scan_ssids = MAX_PROBED_SSID_INDEX; - wiphy->max_scan_ie_len = 1000; /* FIX: what is correct limit? */ - wiphy->bands[IEEE80211_BAND_2GHZ] = &ath6kl_band_2ghz; - wiphy->bands[IEEE80211_BAND_5GHZ] = &ath6kl_band_5ghz; - wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM; - - wiphy->cipher_suites = cipher_suites; - wiphy->n_cipher_suites = ARRAY_SIZE(cipher_suites); + /* + * Firmware will apply the regdomain change only after a scan is + * issued and it will send a WMI_REGDOMAIN_EVENTID when it has been + * changed. + */ - wiphy->wowlan.flags = WIPHY_WOWLAN_MAGIC_PKT | - WIPHY_WOWLAN_DISCONNECT | - WIPHY_WOWLAN_GTK_REKEY_FAILURE | - WIPHY_WOWLAN_SUPPORTS_GTK_REKEY | - WIPHY_WOWLAN_EAP_IDENTITY_REQ | - WIPHY_WOWLAN_4WAY_HANDSHAKE; - wiphy->wowlan.n_patterns = WOW_MAX_FILTERS_PER_LIST; - wiphy->wowlan.pattern_min_len = 1; - wiphy->wowlan.pattern_max_len = WOW_PATTERN_SIZE; + for (i = 0; i < IEEE80211_NUM_BANDS; i++) + if (wiphy->bands[i]) + rates[i] = (1 << wiphy->bands[i]->n_bitrates) - 1; - wiphy->max_sched_scan_ssids = 10; - ret = wiphy_register(wiphy); - if (ret < 0) { - ath6kl_err("couldn't register wiphy device\n"); - return ret; + ret = ath6kl_wmi_beginscan_cmd(ar->wmi, 0, WMI_LONG_SCAN, false, + false, 0, ATH6KL_FG_SCAN_INTERVAL, + 0, NULL, false, rates); + if (ret) { + ath6kl_err("failed to start scan for a regdomain change: %d\n", + ret); + return; } - - return 0; } -static int ath6kl_init_if_data(struct ath6kl_vif *vif) +static int ath6kl_cfg80211_vif_init(struct ath6kl_vif *vif) { - vif->aggr_cntxt = aggr_init(vif->ndev); + vif->aggr_cntxt = aggr_init(vif); if (!vif->aggr_cntxt) { ath6kl_err("failed to initialize aggr\n"); return -ENOMEM; @@ -2758,12 +3571,46 @@ static int ath6kl_init_if_data(struct ath6kl_vif *vif) set_bit(WMM_ENABLED, &vif->flags); spin_lock_init(&vif->if_lock); + INIT_LIST_HEAD(&vif->mc_filter); + return 0; } -void ath6kl_deinit_if_data(struct ath6kl_vif *vif) +void ath6kl_cfg80211_vif_stop(struct ath6kl_vif *vif, bool wmi_ready) +{ + static u8 bcast_mac[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff}; + bool discon_issued; + + netif_stop_queue(vif->ndev); + + clear_bit(WLAN_ENABLED, &vif->flags); + + if (wmi_ready) { + discon_issued = test_bit(CONNECTED, &vif->flags) || + test_bit(CONNECT_PEND, &vif->flags); + ath6kl_disconnect(vif); + del_timer(&vif->disconnect_timer); + + if (discon_issued) + ath6kl_disconnect_event(vif, DISCONNECT_CMD, + (vif->nw_type & AP_NETWORK) ? + bcast_mac : vif->bssid, + 0, NULL, 0); + } + + if (vif->scan_req) { + cfg80211_scan_done(vif->scan_req, true); + vif->scan_req = NULL; + } + + /* need to clean up enhanced bmiss detection fw state */ + ath6kl_cfg80211_sta_bmiss_enhance(vif, false); +} + +void ath6kl_cfg80211_vif_cleanup(struct ath6kl_vif *vif) { struct ath6kl *ar = vif->ar; + struct ath6kl_mc_filter *mc_filter, *tmp; aggr_module_destroy(vif->aggr_cntxt); @@ -2772,14 +3619,19 @@ void ath6kl_deinit_if_data(struct ath6kl_vif *vif) if (vif->nw_type == ADHOC_NETWORK) ar->ibss_if_active = false; + list_for_each_entry_safe(mc_filter, tmp, &vif->mc_filter, list) { + list_del(&mc_filter->list); + kfree(mc_filter); + } + unregister_netdevice(vif->ndev); ar->num_vif--; } -struct net_device *ath6kl_interface_add(struct ath6kl *ar, char *name, - enum nl80211_iftype type, u8 fw_vif_idx, - u8 nw_type) +struct wireless_dev *ath6kl_interface_add(struct ath6kl *ar, const char *name, + enum nl80211_iftype type, + u8 fw_vif_idx, u8 nw_type) { struct net_device *ndev; struct ath6kl_vif *vif; @@ -2797,19 +3649,28 @@ struct net_device *ath6kl_interface_add(struct ath6kl *ar, char *name, vif->wdev.netdev = ndev; vif->wdev.iftype = type; vif->fw_vif_idx = fw_vif_idx; - vif->nw_type = vif->next_mode = nw_type; + vif->nw_type = nw_type; + vif->next_mode = nw_type; + vif->listen_intvl_t = ATH6KL_DEFAULT_LISTEN_INTVAL; + vif->bmiss_time_t = ATH6KL_DEFAULT_BMISS_TIME; + vif->bg_scan_period = 0; + vif->htcap[IEEE80211_BAND_2GHZ].ht_enable = true; + vif->htcap[IEEE80211_BAND_5GHZ].ht_enable = true; memcpy(ndev->dev_addr, ar->mac_addr, ETH_ALEN); - if (fw_vif_idx != 0) + if (fw_vif_idx != 0) { ndev->dev_addr[0] = (ndev->dev_addr[0] ^ (1 << fw_vif_idx)) | 0x2; + if (test_bit(ATH6KL_FW_CAPABILITY_CUSTOM_MAC_ADDR, + ar->fw_capabilities)) + ndev->dev_addr[4] ^= 0x80; + } init_netdev(ndev); ath6kl_init_control_info(vif); - /* TODO: Pass interface specific pointer instead of ar */ - if (ath6kl_init_if_data(vif)) + if (ath6kl_cfg80211_vif_init(vif)) goto err; if (register_netdevice(ndev)) @@ -2819,7 +3680,6 @@ struct net_device *ath6kl_interface_add(struct ath6kl *ar, char *name, vif->sme_state = SME_DISCONNECTED; set_bit(WLAN_ENABLED, &vif->flags); ar->wlan_pwr_state = WLAN_POWER_STATE_ON; - set_bit(NETDEV_REGISTERED, &vif->flags); if (type == NL80211_IFTYPE_ADHOC) ar->ibss_if_active = true; @@ -2828,7 +3688,7 @@ struct net_device *ath6kl_interface_add(struct ath6kl *ar, char *name, list_add_tail(&vif->list, &ar->vif_list); spin_unlock_bh(&ar->list_lock); - return ndev; + return &vif->wdev; err: aggr_module_destroy(vif->aggr_cntxt); @@ -2836,8 +3696,180 @@ err: return NULL; } -void ath6kl_deinit_ieee80211_hw(struct ath6kl *ar) +#ifdef CONFIG_PM +static const struct wiphy_wowlan_support ath6kl_wowlan_support = { + .flags = WIPHY_WOWLAN_MAGIC_PKT | + WIPHY_WOWLAN_DISCONNECT | + WIPHY_WOWLAN_GTK_REKEY_FAILURE | + WIPHY_WOWLAN_SUPPORTS_GTK_REKEY | + WIPHY_WOWLAN_EAP_IDENTITY_REQ | + WIPHY_WOWLAN_4WAY_HANDSHAKE, + .n_patterns = WOW_MAX_FILTERS_PER_LIST, + .pattern_min_len = 1, + .pattern_max_len = WOW_PATTERN_SIZE, +}; +#endif + +int ath6kl_cfg80211_init(struct ath6kl *ar) +{ + struct wiphy *wiphy = ar->wiphy; + bool band_2gig = false, band_5gig = false, ht = false; + int ret; + + wiphy->mgmt_stypes = ath6kl_mgmt_stypes; + + wiphy->max_remain_on_channel_duration = 5000; + + /* set device pointer for wiphy */ + set_wiphy_dev(wiphy, ar->dev); + + wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | + BIT(NL80211_IFTYPE_ADHOC) | + BIT(NL80211_IFTYPE_AP); + if (ar->p2p) { + wiphy->interface_modes |= BIT(NL80211_IFTYPE_P2P_GO) | + BIT(NL80211_IFTYPE_P2P_CLIENT); + } + + if (config_enabled(CONFIG_ATH6KL_REGDOMAIN) && + test_bit(ATH6KL_FW_CAPABILITY_REGDOMAIN, ar->fw_capabilities)) { + wiphy->reg_notifier = ath6kl_cfg80211_reg_notify; + ar->wiphy->features |= NL80211_FEATURE_CELL_BASE_REG_HINTS; + } + + /* max num of ssids that can be probed during scanning */ + wiphy->max_scan_ssids = MAX_PROBED_SSIDS; + + /* max num of ssids that can be matched after scan */ + if (test_bit(ATH6KL_FW_CAPABILITY_SCHED_SCAN_MATCH_LIST, + ar->fw_capabilities)) + wiphy->max_match_sets = MAX_PROBED_SSIDS; + + wiphy->max_scan_ie_len = 1000; /* FIX: what is correct limit? */ + switch (ar->hw.cap) { + case WMI_11AN_CAP: + ht = true; + case WMI_11A_CAP: + band_5gig = true; + break; + case WMI_11GN_CAP: + ht = true; + case WMI_11G_CAP: + band_2gig = true; + break; + case WMI_11AGN_CAP: + ht = true; + case WMI_11AG_CAP: + band_2gig = true; + band_5gig = true; + break; + default: + ath6kl_err("invalid phy capability!\n"); + return -EINVAL; + } + + /* + * Even if the fw has HT support, advertise HT cap only when + * the firmware has support to override RSN capability, otherwise + * 4-way handshake would fail. + */ + if (!(ht && + test_bit(ATH6KL_FW_CAPABILITY_RSN_CAP_OVERRIDE, + ar->fw_capabilities))) { + ath6kl_band_2ghz.ht_cap.cap = 0; + ath6kl_band_2ghz.ht_cap.ht_supported = false; + ath6kl_band_5ghz.ht_cap.cap = 0; + ath6kl_band_5ghz.ht_cap.ht_supported = false; + } + + if (ar->hw.flags & ATH6KL_HW_64BIT_RATES) { + ath6kl_band_2ghz.ht_cap.mcs.rx_mask[0] = 0xff; + ath6kl_band_5ghz.ht_cap.mcs.rx_mask[0] = 0xff; + ath6kl_band_2ghz.ht_cap.mcs.rx_mask[1] = 0xff; + ath6kl_band_5ghz.ht_cap.mcs.rx_mask[1] = 0xff; + } else { + ath6kl_band_2ghz.ht_cap.mcs.rx_mask[0] = 0xff; + ath6kl_band_5ghz.ht_cap.mcs.rx_mask[0] = 0xff; + } + + if (band_2gig) + wiphy->bands[IEEE80211_BAND_2GHZ] = &ath6kl_band_2ghz; + if (band_5gig) + wiphy->bands[IEEE80211_BAND_5GHZ] = &ath6kl_band_5ghz; + + wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM; + + wiphy->cipher_suites = cipher_suites; + wiphy->n_cipher_suites = ARRAY_SIZE(cipher_suites); + +#ifdef CONFIG_PM + wiphy->wowlan = &ath6kl_wowlan_support; +#endif + + wiphy->max_sched_scan_ssids = MAX_PROBED_SSIDS; + + ar->wiphy->flags |= WIPHY_FLAG_SUPPORTS_FW_ROAM | + WIPHY_FLAG_HAVE_AP_SME | + WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL | + WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD; + + if (test_bit(ATH6KL_FW_CAPABILITY_SCHED_SCAN_V2, ar->fw_capabilities)) + ar->wiphy->flags |= WIPHY_FLAG_SUPPORTS_SCHED_SCAN; + + if (test_bit(ATH6KL_FW_CAPABILITY_INACTIVITY_TIMEOUT, + ar->fw_capabilities)) + ar->wiphy->features |= NL80211_FEATURE_INACTIVITY_TIMER; + + ar->wiphy->probe_resp_offload = + NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS | + NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2 | + NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P; + + ret = wiphy_register(wiphy); + if (ret < 0) { + ath6kl_err("couldn't register wiphy device\n"); + return ret; + } + + ar->wiphy_registered = true; + + return 0; +} + +void ath6kl_cfg80211_cleanup(struct ath6kl *ar) { wiphy_unregister(ar->wiphy); + + ar->wiphy_registered = false; +} + +struct ath6kl *ath6kl_cfg80211_create(void) +{ + struct ath6kl *ar; + struct wiphy *wiphy; + + /* create a new wiphy for use with cfg80211 */ + wiphy = wiphy_new(&ath6kl_cfg80211_ops, sizeof(struct ath6kl)); + + if (!wiphy) { + ath6kl_err("couldn't allocate wiphy device\n"); + return NULL; + } + + ar = wiphy_priv(wiphy); + ar->wiphy = wiphy; + + return ar; +} + +/* Note: ar variable must not be accessed after calling this! */ +void ath6kl_cfg80211_destroy(struct ath6kl *ar) +{ + int i; + + for (i = 0; i < AP_MAX_NUM_STA; i++) + kfree(ar->sta_list[i].aggr_conn); + wiphy_free(ar->wiphy); } + |