brcmfmac: add multiple BSS support.
This patch adds support for multiple BSS interfaces (AP). In total three AP configurations can be created. In order to use multiple BSS firmware needs to support it. Reviewed-by: Arend Van Spriel <arend@broadcom.com> Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com> Signed-off-by: Hante Meuleman <meuleman@broadcom.com> Signed-off-by: Arend van Spriel <arend@broadcom.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Hante Meuleman
John W. Linville
parent
c4034f43e6
commit
a44aa4001a
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@ -520,6 +520,95 @@ brcmf_cfg80211_update_proto_addr_mode(struct wireless_dev *wdev)
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ADDR_INDIRECT);
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}
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static int brcmf_cfg80211_request_ap_if(struct brcmf_if *ifp)
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{
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struct brcmf_mbss_ssid_le mbss_ssid_le;
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int bsscfgidx;
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int err;
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memset(&mbss_ssid_le, 0, sizeof(mbss_ssid_le));
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bsscfgidx = brcmf_get_next_free_bsscfgidx(ifp->drvr);
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if (bsscfgidx < 0)
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return bsscfgidx;
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mbss_ssid_le.bsscfgidx = cpu_to_le32(bsscfgidx);
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mbss_ssid_le.SSID_len = cpu_to_le32(5);
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sprintf(mbss_ssid_le.SSID, "ssid%d" , bsscfgidx);
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err = brcmf_fil_bsscfg_data_set(ifp, "bsscfg:ssid", &mbss_ssid_le,
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sizeof(mbss_ssid_le));
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if (err < 0)
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brcmf_err("setting ssid failed %d\n", err);
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return err;
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}
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/**
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* brcmf_ap_add_vif() - create a new AP virtual interface for multiple BSS
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*
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* @wiphy: wiphy device of new interface.
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* @name: name of the new interface.
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* @flags: not used.
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* @params: contains mac address for AP device.
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*/
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static
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struct wireless_dev *brcmf_ap_add_vif(struct wiphy *wiphy, const char *name,
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u32 *flags, struct vif_params *params)
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{
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struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
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struct brcmf_if *ifp = netdev_priv(cfg_to_ndev(cfg));
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struct brcmf_cfg80211_vif *vif;
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int err;
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if (brcmf_cfg80211_vif_event_armed(cfg))
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return ERR_PTR(-EBUSY);
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brcmf_dbg(INFO, "Adding vif \"%s\"\n", name);
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vif = brcmf_alloc_vif(cfg, NL80211_IFTYPE_AP, false);
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if (IS_ERR(vif))
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return (struct wireless_dev *)vif;
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brcmf_cfg80211_arm_vif_event(cfg, vif);
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err = brcmf_cfg80211_request_ap_if(ifp);
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if (err) {
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brcmf_cfg80211_arm_vif_event(cfg, NULL);
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goto fail;
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}
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/* wait for firmware event */
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err = brcmf_cfg80211_wait_vif_event_timeout(cfg, BRCMF_E_IF_ADD,
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msecs_to_jiffies(1500));
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brcmf_cfg80211_arm_vif_event(cfg, NULL);
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if (!err) {
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brcmf_err("timeout occurred\n");
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err = -EIO;
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goto fail;
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}
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/* interface created in firmware */
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ifp = vif->ifp;
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if (!ifp) {
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brcmf_err("no if pointer provided\n");
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err = -ENOENT;
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goto fail;
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}
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strncpy(ifp->ndev->name, name, sizeof(ifp->ndev->name) - 1);
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err = brcmf_net_attach(ifp, true);
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if (err) {
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brcmf_err("Registering netdevice failed\n");
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goto fail;
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}
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return &ifp->vif->wdev;
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fail:
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brcmf_free_vif(vif);
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return ERR_PTR(err);
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}
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static bool brcmf_is_apmode(struct brcmf_cfg80211_vif *vif)
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{
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enum nl80211_iftype iftype;
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@ -545,12 +634,16 @@ static struct wireless_dev *brcmf_cfg80211_add_iface(struct wiphy *wiphy,
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switch (type) {
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case NL80211_IFTYPE_ADHOC:
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case NL80211_IFTYPE_STATION:
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case NL80211_IFTYPE_AP:
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case NL80211_IFTYPE_AP_VLAN:
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case NL80211_IFTYPE_WDS:
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case NL80211_IFTYPE_MONITOR:
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case NL80211_IFTYPE_MESH_POINT:
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return ERR_PTR(-EOPNOTSUPP);
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case NL80211_IFTYPE_AP:
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wdev = brcmf_ap_add_vif(wiphy, name, flags, params);
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if (!IS_ERR(wdev))
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brcmf_cfg80211_update_proto_addr_mode(wdev);
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return wdev;
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case NL80211_IFTYPE_P2P_CLIENT:
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case NL80211_IFTYPE_P2P_GO:
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case NL80211_IFTYPE_P2P_DEVICE:
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@ -3361,11 +3454,10 @@ static bool brcmf_valid_wpa_oui(u8 *oui, bool is_rsn_ie)
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}
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static s32
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brcmf_configure_wpaie(struct net_device *ndev,
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brcmf_configure_wpaie(struct brcmf_if *ifp,
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const struct brcmf_vs_tlv *wpa_ie,
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bool is_rsn_ie)
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{
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struct brcmf_if *ifp = netdev_priv(ndev);
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u32 auth = 0; /* d11 open authentication */
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u16 count;
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s32 err = 0;
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@ -3840,6 +3932,7 @@ brcmf_cfg80211_start_ap(struct wiphy *wiphy, struct net_device *ndev,
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enum nl80211_iftype dev_role;
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struct brcmf_fil_bss_enable_le bss_enable;
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u16 chanspec;
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bool mbss;
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brcmf_dbg(TRACE, "ctrlchn=%d, center=%d, bw=%d, beacon_interval=%d, dtim_period=%d,\n",
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settings->chandef.chan->hw_value,
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@ -3850,6 +3943,7 @@ brcmf_cfg80211_start_ap(struct wiphy *wiphy, struct net_device *ndev,
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settings->inactivity_timeout);
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dev_role = ifp->vif->wdev.iftype;
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mbss = ifp->vif->mbss;
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memset(&ssid_le, 0, sizeof(ssid_le));
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if (settings->ssid == NULL || settings->ssid_len == 0) {
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@ -3869,8 +3963,10 @@ brcmf_cfg80211_start_ap(struct wiphy *wiphy, struct net_device *ndev,
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ssid_le.SSID_len = cpu_to_le32((u32)settings->ssid_len);
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}
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if (!mbss) {
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brcmf_set_mpc(ifp, 0);
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brcmf_configure_arp_offload(ifp, false);
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}
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/* find the RSN_IE */
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rsn_ie = brcmf_parse_tlvs((u8 *)settings->beacon.tail,
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@ -3884,13 +3980,16 @@ brcmf_cfg80211_start_ap(struct wiphy *wiphy, struct net_device *ndev,
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brcmf_dbg(TRACE, "WPA(2) IE is found\n");
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if (wpa_ie != NULL) {
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/* WPA IE */
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err = brcmf_configure_wpaie(ndev, wpa_ie, false);
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err = brcmf_configure_wpaie(ifp, wpa_ie, false);
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if (err < 0)
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goto exit;
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} else {
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struct brcmf_vs_tlv *tmp_ie;
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tmp_ie = (struct brcmf_vs_tlv *)rsn_ie;
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/* RSN IE */
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err = brcmf_configure_wpaie(ndev,
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(struct brcmf_vs_tlv *)rsn_ie, true);
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err = brcmf_configure_wpaie(ifp, tmp_ie, true);
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if (err < 0)
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goto exit;
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}
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@ -3901,10 +4000,13 @@ brcmf_cfg80211_start_ap(struct wiphy *wiphy, struct net_device *ndev,
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brcmf_config_ap_mgmt_ie(ifp->vif, &settings->beacon);
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chanspec = chandef_to_chanspec(&cfg->d11inf, &settings->chandef);
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if (!mbss) {
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chanspec = chandef_to_chanspec(&cfg->d11inf,
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&settings->chandef);
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err = brcmf_fil_iovar_int_set(ifp, "chanspec", chanspec);
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if (err < 0) {
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brcmf_err("Set Channel failed: chspec=%d, %d\n", chanspec, err);
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brcmf_err("Set Channel failed: chspec=%d, %d\n",
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chanspec, err);
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goto exit;
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}
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@ -3912,7 +4014,8 @@ brcmf_cfg80211_start_ap(struct wiphy *wiphy, struct net_device *ndev,
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err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_BCNPRD,
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settings->beacon_interval);
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if (err < 0) {
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brcmf_err("Beacon Interval Set Error, %d\n", err);
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brcmf_err("Beacon Interval Set Error, %d\n",
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err);
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goto exit;
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}
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}
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@ -3939,7 +4042,11 @@ brcmf_cfg80211_start_ap(struct wiphy *wiphy, struct net_device *ndev,
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brcmf_err("SET INFRA error %d\n", err);
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goto exit;
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}
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}
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if (dev_role == NL80211_IFTYPE_AP) {
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if ((brcmf_feat_is_enabled(ifp, BRCMF_FEAT_MBSS)) && (!mbss))
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brcmf_fil_iovar_int_set(ifp, "mbss", 1);
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err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_AP, 1);
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if (err < 0) {
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brcmf_err("setting AP mode failed %d\n", err);
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@ -3984,7 +4091,7 @@ brcmf_cfg80211_start_ap(struct wiphy *wiphy, struct net_device *ndev,
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set_bit(BRCMF_VIF_STATUS_AP_CREATED, &ifp->vif->sme_state);
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exit:
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if (err) {
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if ((err) && (!mbss)) {
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brcmf_set_mpc(ifp, 1);
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brcmf_configure_arp_offload(ifp, true);
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}
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@ -4005,20 +4112,31 @@ static int brcmf_cfg80211_stop_ap(struct wiphy *wiphy, struct net_device *ndev)
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/* first to make sure they get processed by fw. */
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msleep(400);
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if (ifp->vif->mbss) {
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err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_DOWN, 1);
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return err;
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}
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memset(&join_params, 0, sizeof(join_params));
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err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SET_SSID,
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&join_params, sizeof(join_params));
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if (err < 0)
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brcmf_err("SET SSID error (%d)\n", err);
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err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_UP, 0);
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err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_DOWN, 1);
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if (err < 0)
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brcmf_err("BRCMF_C_UP error %d\n", err);
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brcmf_err("BRCMF_C_DOWN error %d\n", err);
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err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_AP, 0);
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if (err < 0)
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brcmf_err("setting AP mode failed %d\n", err);
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err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_INFRA, 0);
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if (err < 0)
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brcmf_err("setting INFRA mode failed %d\n", err);
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if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_MBSS))
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brcmf_fil_iovar_int_set(ifp, "mbss", 0);
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/* Bring device back up so it can be used again */
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err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_UP, 1);
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if (err < 0)
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brcmf_err("BRCMF_C_UP error %d\n", err);
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} else {
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bss_enable.bsscfg_idx = cpu_to_le32(ifp->bssidx);
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bss_enable.enable = cpu_to_le32(0);
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@ -4370,7 +4488,9 @@ struct brcmf_cfg80211_vif *brcmf_alloc_vif(struct brcmf_cfg80211_info *cfg,
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enum nl80211_iftype type,
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bool pm_block)
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{
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struct brcmf_cfg80211_vif *vif_walk;
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struct brcmf_cfg80211_vif *vif;
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bool mbss;
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brcmf_dbg(TRACE, "allocating virtual interface (size=%zu)\n",
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sizeof(*vif));
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@ -4386,6 +4506,17 @@ struct brcmf_cfg80211_vif *brcmf_alloc_vif(struct brcmf_cfg80211_info *cfg,
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brcmf_init_prof(&vif->profile);
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if (type == NL80211_IFTYPE_AP) {
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mbss = false;
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list_for_each_entry(vif_walk, &cfg->vif_list, list) {
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if (vif_walk->wdev.iftype == NL80211_IFTYPE_AP) {
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mbss = true;
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break;
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}
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}
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vif->mbss = mbss;
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}
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list_add_tail(&vif->list, &cfg->vif_list);
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return vif;
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}
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@ -4628,6 +4759,7 @@ brcmf_notify_connect_status_ap(struct brcmf_cfg80211_info *cfg,
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struct net_device *ndev,
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const struct brcmf_event_msg *e, void *data)
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{
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struct brcmf_if *ifp = netdev_priv(ndev);
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static int generation;
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u32 event = e->event_code;
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u32 reason = e->reason;
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@ -4638,6 +4770,8 @@ brcmf_notify_connect_status_ap(struct brcmf_cfg80211_info *cfg,
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ndev != cfg_to_ndev(cfg)) {
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brcmf_dbg(CONN, "AP mode link down\n");
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complete(&cfg->vif_disabled);
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if (ifp->vif->mbss)
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brcmf_remove_interface(ifp->drvr, ifp->bssidx);
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return 0;
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}
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@ -5429,7 +5563,28 @@ static int brcmf_setup_wiphybands(struct wiphy *wiphy)
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return 0;
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}
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static const struct ieee80211_iface_limit brcmf_iface_limits[] = {
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static const struct ieee80211_iface_limit brcmf_iface_limits_mbss[] = {
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{
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.max = 1,
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.types = BIT(NL80211_IFTYPE_STATION) |
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BIT(NL80211_IFTYPE_ADHOC)
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},
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{
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.max = 4,
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.types = BIT(NL80211_IFTYPE_AP)
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},
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{
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.max = 1,
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.types = BIT(NL80211_IFTYPE_P2P_CLIENT) |
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BIT(NL80211_IFTYPE_P2P_GO)
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},
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{
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.max = 1,
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.types = BIT(NL80211_IFTYPE_P2P_DEVICE)
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}
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};
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static const struct ieee80211_iface_limit brcmf_iface_limits_sbss[] = {
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{
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.max = 2,
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.types = BIT(NL80211_IFTYPE_STATION) |
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@ -5450,8 +5605,8 @@ static struct ieee80211_iface_combination brcmf_iface_combos[] = {
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{
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.max_interfaces = BRCMF_IFACE_MAX_CNT,
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.num_different_channels = 1,
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.n_limits = ARRAY_SIZE(brcmf_iface_limits),
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.limits = brcmf_iface_limits
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.n_limits = ARRAY_SIZE(brcmf_iface_limits_sbss),
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.limits = brcmf_iface_limits_sbss,
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}
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};
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@ -5527,6 +5682,10 @@ static int brcmf_setup_wiphy(struct wiphy *wiphy, struct brcmf_if *ifp)
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ifc_combo = brcmf_iface_combos[0];
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if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_MCHAN))
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ifc_combo.num_different_channels = 2;
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if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_MBSS)) {
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ifc_combo.n_limits = ARRAY_SIZE(brcmf_iface_limits_mbss),
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ifc_combo.limits = brcmf_iface_limits_mbss;
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}
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wiphy->iface_combinations = kmemdup(&ifc_combo,
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sizeof(ifc_combo),
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GFP_KERNEL);
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@ -183,6 +183,7 @@ struct vif_saved_ie {
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* @pm_block: power-management blocked.
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* @list: linked list.
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* @mgmt_rx_reg: registered rx mgmt frame types.
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* @mbss: Multiple BSS type, set if not first AP (not relevant for P2P).
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*/
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struct brcmf_cfg80211_vif {
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struct brcmf_if *ifp;
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@ -194,6 +195,7 @@ struct brcmf_cfg80211_vif {
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struct vif_saved_ie saved_ie;
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struct list_head list;
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u16 mgmt_rx_reg;
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bool mbss;
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};
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/* association inform */
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@ -836,7 +836,7 @@ struct brcmf_if *brcmf_add_if(struct brcmf_pub *drvr, s32 bssidx, s32 ifidx,
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return ifp;
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}
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void brcmf_del_if(struct brcmf_pub *drvr, s32 bssidx)
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static void brcmf_del_if(struct brcmf_pub *drvr, s32 bssidx)
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{
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struct brcmf_if *ifp;
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@ -869,6 +869,38 @@ void brcmf_del_if(struct brcmf_pub *drvr, s32 bssidx)
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}
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}
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|
||||
void brcmf_remove_interface(struct brcmf_pub *drvr, u32 bssidx)
|
||||
{
|
||||
if (drvr->iflist[bssidx]) {
|
||||
brcmf_fws_del_interface(drvr->iflist[bssidx]);
|
||||
brcmf_del_if(drvr, bssidx);
|
||||
}
|
||||
}
|
||||
|
||||
int brcmf_get_next_free_bsscfgidx(struct brcmf_pub *drvr)
|
||||
{
|
||||
int ifidx;
|
||||
int bsscfgidx;
|
||||
bool available;
|
||||
int highest;
|
||||
|
||||
available = false;
|
||||
bsscfgidx = 2;
|
||||
highest = 2;
|
||||
for (ifidx = 0; ifidx < BRCMF_MAX_IFS; ifidx++) {
|
||||
if (drvr->iflist[ifidx]) {
|
||||
if (drvr->iflist[ifidx]->bssidx == bsscfgidx)
|
||||
bsscfgidx = highest + 1;
|
||||
else if (drvr->iflist[ifidx]->bssidx > highest)
|
||||
highest = drvr->iflist[ifidx]->bssidx;
|
||||
} else {
|
||||
available = true;
|
||||
}
|
||||
}
|
||||
|
||||
return available ? bsscfgidx : -ENOMEM;
|
||||
}
|
||||
|
||||
int brcmf_attach(struct device *dev)
|
||||
{
|
||||
struct brcmf_pub *drvr = NULL;
|
||||
|
|
@ -1033,10 +1065,7 @@ void brcmf_detach(struct device *dev)
|
|||
|
||||
/* make sure primary interface removed last */
|
||||
for (i = BRCMF_MAX_IFS-1; i > -1; i--)
|
||||
if (drvr->iflist[i]) {
|
||||
brcmf_fws_del_interface(drvr->iflist[i]);
|
||||
brcmf_del_if(drvr, i);
|
||||
}
|
||||
brcmf_remove_interface(drvr, i);
|
||||
|
||||
brcmf_cfg80211_detach(drvr->config);
|
||||
|
||||
|
|
|
|||
|
|
@ -175,7 +175,8 @@ char *brcmf_ifname(struct brcmf_pub *drvr, int idx);
|
|||
int brcmf_net_attach(struct brcmf_if *ifp, bool rtnl_locked);
|
||||
struct brcmf_if *brcmf_add_if(struct brcmf_pub *drvr, s32 bssidx, s32 ifidx,
|
||||
char *name, u8 *mac_addr);
|
||||
void brcmf_del_if(struct brcmf_pub *drvr, s32 bssidx);
|
||||
void brcmf_remove_interface(struct brcmf_pub *drvr, u32 bssidx);
|
||||
int brcmf_get_next_free_bsscfgidx(struct brcmf_pub *drvr);
|
||||
void brcmf_txflowblock_if(struct brcmf_if *ifp,
|
||||
enum brcmf_netif_stop_reason reason, bool state);
|
||||
void brcmf_txfinalize(struct brcmf_pub *drvr, struct sk_buff *txp, u8 ifidx,
|
||||
|
|
|
|||
|
|
@ -97,6 +97,28 @@ static void brcmf_feat_iovar_int_get(struct brcmf_if *ifp,
|
|||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* brcmf_feat_iovar_int_set() - determine feature through iovar set.
|
||||
*
|
||||
* @ifp: interface to query.
|
||||
* @id: feature id.
|
||||
* @name: iovar name.
|
||||
*/
|
||||
static void brcmf_feat_iovar_int_set(struct brcmf_if *ifp,
|
||||
enum brcmf_feat_id id, char *name, u32 val)
|
||||
{
|
||||
int err;
|
||||
|
||||
err = brcmf_fil_iovar_int_set(ifp, name, val);
|
||||
if (err == 0) {
|
||||
brcmf_dbg(INFO, "enabling feature: %s\n", brcmf_feat_names[id]);
|
||||
ifp->drvr->feat_flags |= BIT(id);
|
||||
} else {
|
||||
brcmf_dbg(TRACE, "%s feature check failed: %d\n",
|
||||
brcmf_feat_names[id], err);
|
||||
}
|
||||
}
|
||||
|
||||
void brcmf_feat_attach(struct brcmf_pub *drvr)
|
||||
{
|
||||
struct brcmf_if *ifp = drvr->iflist[0];
|
||||
|
|
@ -104,6 +126,7 @@ void brcmf_feat_attach(struct brcmf_pub *drvr)
|
|||
brcmf_feat_iovar_int_get(ifp, BRCMF_FEAT_MCHAN, "mchan");
|
||||
if (drvr->bus_if->wowl_supported)
|
||||
brcmf_feat_iovar_int_get(ifp, BRCMF_FEAT_WOWL, "wowl");
|
||||
brcmf_feat_iovar_int_set(ifp, BRCMF_FEAT_MBSS, "mbss", 0);
|
||||
|
||||
/* set chip related quirks */
|
||||
switch (drvr->bus_if->chip) {
|
||||
|
|
|
|||
|
|
@ -22,6 +22,7 @@
|
|||
* MCHAN: multi-channel for concurrent P2P.
|
||||
*/
|
||||
#define BRCMF_FEAT_LIST \
|
||||
BRCMF_FEAT_DEF(MBSS) \
|
||||
BRCMF_FEAT_DEF(MCHAN) \
|
||||
BRCMF_FEAT_DEF(WOWL)
|
||||
/*
|
||||
|
|
|
|||
|
|
@ -221,10 +221,8 @@ static void brcmf_fweh_handle_if_event(struct brcmf_pub *drvr,
|
|||
|
||||
err = brcmf_fweh_call_event_handler(ifp, emsg->event_code, emsg, data);
|
||||
|
||||
if (ifp && ifevent->action == BRCMF_E_IF_DEL) {
|
||||
brcmf_fws_del_interface(ifp);
|
||||
brcmf_del_if(drvr, ifevent->bssidx);
|
||||
}
|
||||
if (ifp && ifevent->action == BRCMF_E_IF_DEL)
|
||||
brcmf_remove_interface(drvr, ifevent->bssidx);
|
||||
}
|
||||
|
||||
/**
|
||||
|
|
|
|||
|
|
@ -519,4 +519,10 @@ struct brcmf_fil_wowl_pattern_le {
|
|||
/* u8 pattern[] - Pattern follows the mask is at 'patternoffset' */
|
||||
};
|
||||
|
||||
struct brcmf_mbss_ssid_le {
|
||||
__le32 bsscfgidx;
|
||||
__le32 SSID_len;
|
||||
unsigned char SSID[32];
|
||||
};
|
||||
|
||||
#endif /* FWIL_TYPES_H_ */
|
||||
|
|
|
|||
Loading…
Reference in New Issue