brcmfmac: introduce brcmf_cfg80211_vif structure
This patch introduces the brcmf_cfg80211_vif structure which is used to keep track of multiple virtual interfaces in the driver. Reviewed-by: Hante Meuleman <meuleman@broadcom.com> Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com> Signed-off-by: Arend van Spriel <arend@broadcom.com> Signed-off-by: Franky Lin <frankyl@broadcom.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>5bit-waveforms
Arend van Spriel
John W. Linville
parent
ec6de0ed3e
commit
3eacf86655
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@ -682,10 +682,14 @@ struct brcmf_if_event {
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u8 bssidx;
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};
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/* forward declaration */
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struct brcmf_cfg80211_vif;
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/**
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* struct brcmf_if - interface control information.
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*
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* @drvr: points to device related information.
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* @vif: points to cfg80211 specific interface information.
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* @ndev: associated network device.
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* @stats: interface specific network statistics.
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* @idx: interface index in device firmware.
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@ -694,6 +698,7 @@ struct brcmf_if_event {
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*/
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struct brcmf_if {
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struct brcmf_pub *drvr;
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struct brcmf_cfg80211_vif *vif;
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struct net_device *ndev;
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struct net_device_stats stats;
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int idx;
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@ -49,6 +49,8 @@
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#define BRCMF_PNO_SCAN_COMPLETE 1
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#define BRCMF_PNO_SCAN_INCOMPLETE 0
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#define BRCMF_IFACE_MAX_CNT 2
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#define TLV_LEN_OFF 1 /* length offset */
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#define TLV_HDR_LEN 2 /* header length */
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#define TLV_BODY_OFF 2 /* body offset */
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@ -3441,7 +3443,7 @@ static int brcmf_cfg80211_sched_scan_stop(struct wiphy *wiphy,
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static int brcmf_cfg80211_testmode(struct wiphy *wiphy, void *data, int len)
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{
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struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
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struct net_device *ndev = cfg->wdev->netdev;
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struct net_device *ndev = cfg_to_ndev(cfg);
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struct brcmf_dcmd *dcmd = data;
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struct sk_buff *reply;
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int ret;
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@ -4194,72 +4196,95 @@ static void brcmf_wiphy_pno_params(struct wiphy *wiphy)
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#endif
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}
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static struct wireless_dev *brcmf_alloc_wdev(struct device *ndev)
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static struct wiphy *brcmf_setup_wiphy(struct device *phydev)
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{
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struct wireless_dev *wdev;
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struct wiphy *wiphy;
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s32 err = 0;
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wdev = kzalloc(sizeof(*wdev), GFP_KERNEL);
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if (!wdev)
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return ERR_PTR(-ENOMEM);
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wdev->wiphy = wiphy_new(&wl_cfg80211_ops,
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sizeof(struct brcmf_cfg80211_info));
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if (!wdev->wiphy) {
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wiphy = wiphy_new(&wl_cfg80211_ops, sizeof(struct brcmf_cfg80211_info));
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if (!wiphy) {
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WL_ERR("Could not allocate wiphy device\n");
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err = -ENOMEM;
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goto wiphy_new_out;
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return ERR_PTR(-ENOMEM);
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}
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set_wiphy_dev(wdev->wiphy, ndev);
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wdev->wiphy->max_scan_ssids = WL_NUM_SCAN_MAX;
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wdev->wiphy->max_num_pmkids = WL_NUM_PMKIDS_MAX;
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wdev->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
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BIT(NL80211_IFTYPE_ADHOC) |
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BIT(NL80211_IFTYPE_AP);
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wdev->wiphy->bands[IEEE80211_BAND_2GHZ] = &__wl_band_2ghz;
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wdev->wiphy->bands[IEEE80211_BAND_5GHZ] = &__wl_band_5ghz_a; /* Set
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set_wiphy_dev(wiphy, phydev);
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wiphy->max_scan_ssids = WL_NUM_SCAN_MAX;
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wiphy->max_num_pmkids = WL_NUM_PMKIDS_MAX;
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wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
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BIT(NL80211_IFTYPE_ADHOC) |
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BIT(NL80211_IFTYPE_AP);
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wiphy->bands[IEEE80211_BAND_2GHZ] = &__wl_band_2ghz;
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wiphy->bands[IEEE80211_BAND_5GHZ] = &__wl_band_5ghz_a; /* Set
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* it as 11a by default.
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* This will be updated with
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* 11n phy tables in
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* "ifconfig up"
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* if phy has 11n capability
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*/
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wdev->wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM;
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wdev->wiphy->cipher_suites = __wl_cipher_suites;
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wdev->wiphy->n_cipher_suites = ARRAY_SIZE(__wl_cipher_suites);
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wdev->wiphy->flags |= WIPHY_FLAG_PS_ON_BY_DEFAULT; /* enable power
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wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM;
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wiphy->cipher_suites = __wl_cipher_suites;
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wiphy->n_cipher_suites = ARRAY_SIZE(__wl_cipher_suites);
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wiphy->flags |= WIPHY_FLAG_PS_ON_BY_DEFAULT; /* enable power
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* save mode
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* by default
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*/
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brcmf_wiphy_pno_params(wdev->wiphy);
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err = wiphy_register(wdev->wiphy);
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brcmf_wiphy_pno_params(wiphy);
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err = wiphy_register(wiphy);
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if (err < 0) {
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WL_ERR("Could not register wiphy device (%d)\n", err);
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goto wiphy_register_out;
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wiphy_free(wiphy);
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return ERR_PTR(err);
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}
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return wdev;
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wiphy_register_out:
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wiphy_free(wdev->wiphy);
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wiphy_new_out:
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kfree(wdev);
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return ERR_PTR(err);
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return wiphy;
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}
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static void brcmf_free_wdev(struct brcmf_cfg80211_info *cfg)
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static
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struct brcmf_cfg80211_vif *brcmf_alloc_vif(struct brcmf_cfg80211_info *cfg,
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struct net_device *netdev,
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s32 mode, bool pm_block)
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{
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struct wireless_dev *wdev = cfg->wdev;
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struct brcmf_cfg80211_vif *vif;
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if (!wdev) {
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WL_ERR("wdev is invalid\n");
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return;
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if (cfg->vif_cnt == BRCMF_IFACE_MAX_CNT)
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return ERR_PTR(-ENOSPC);
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vif = kzalloc(sizeof(*vif), GFP_KERNEL);
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if (!vif)
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return ERR_PTR(-ENOMEM);
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vif->wdev.wiphy = cfg->wiphy;
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vif->wdev.netdev = netdev;
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vif->wdev.iftype = brcmf_mode_to_nl80211_iftype(mode);
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if (netdev) {
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vif->ifp = netdev_priv(netdev);
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netdev->ieee80211_ptr = &vif->wdev;
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SET_NETDEV_DEV(netdev, wiphy_dev(cfg->wiphy));
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}
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vif->mode = mode;
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vif->pm_block = pm_block;
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vif->roam_off = -1;
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list_add_tail(&vif->list, &cfg->vif_list);
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cfg->vif_cnt++;
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return vif;
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}
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static void brcmf_free_vif(struct brcmf_cfg80211_vif *vif)
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{
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struct brcmf_cfg80211_info *cfg;
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struct wiphy *wiphy;
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wiphy = vif->wdev.wiphy;
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cfg = wiphy_priv(wiphy);
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list_del(&vif->list);
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cfg->vif_cnt--;
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kfree(vif);
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if (!cfg->vif_cnt) {
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wiphy_unregister(wiphy);
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wiphy_free(wiphy);
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}
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wiphy_unregister(wdev->wiphy);
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wiphy_free(wdev->wiphy);
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kfree(wdev);
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cfg->wdev = NULL;
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}
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static bool brcmf_is_linkup(struct brcmf_cfg80211_info *cfg,
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@ -4935,8 +4960,10 @@ struct brcmf_cfg80211_info *brcmf_cfg80211_attach(struct brcmf_pub *drvr)
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{
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struct net_device *ndev = drvr->iflist[0]->ndev;
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struct device *busdev = drvr->dev;
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struct wireless_dev *wdev;
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struct brcmf_cfg80211_info *cfg;
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struct wiphy *wiphy;
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struct brcmf_cfg80211_vif *vif;
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struct brcmf_if *ifp;
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s32 err = 0;
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if (!ndev) {
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@ -4944,35 +4971,45 @@ struct brcmf_cfg80211_info *brcmf_cfg80211_attach(struct brcmf_pub *drvr)
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return NULL;
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}
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wdev = brcmf_alloc_wdev(busdev);
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if (IS_ERR(wdev)) {
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ifp = netdev_priv(ndev);
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wiphy = brcmf_setup_wiphy(busdev);
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if (IS_ERR(wiphy))
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return NULL;
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cfg = wiphy_priv(wiphy);
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cfg->wiphy = wiphy;
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cfg->pub = drvr;
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INIT_LIST_HEAD(&cfg->vif_list);
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vif = brcmf_alloc_vif(cfg, ndev, WL_MODE_BSS, false);
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if (IS_ERR(vif)) {
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wiphy_free(wiphy);
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return NULL;
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}
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wdev->iftype = brcmf_mode_to_nl80211_iftype(WL_MODE_BSS);
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cfg = wdev_to_cfg(wdev);
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cfg->wdev = wdev;
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cfg->pub = drvr;
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ndev->ieee80211_ptr = wdev;
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SET_NETDEV_DEV(ndev, wiphy_dev(wdev->wiphy));
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wdev->netdev = ndev;
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err = wl_init_priv(cfg);
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if (err) {
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WL_ERR("Failed to init iwm_priv (%d)\n", err);
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goto cfg80211_attach_out;
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}
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ifp->vif = vif;
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return cfg;
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cfg80211_attach_out:
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brcmf_free_wdev(cfg);
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brcmf_free_vif(vif);
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return NULL;
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}
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void brcmf_cfg80211_detach(struct brcmf_cfg80211_info *cfg)
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{
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struct brcmf_cfg80211_vif *vif;
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struct brcmf_cfg80211_vif *tmp;
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wl_deinit_priv(cfg);
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brcmf_free_wdev(cfg);
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list_for_each_entry_safe(vif, tmp, &cfg->vif_list, list) {
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brcmf_free_vif(vif);
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}
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}
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void
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@ -235,6 +235,25 @@ struct brcmf_cfg80211_profile {
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s32 band;
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};
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/**
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* struct brcmf_cfg80211_vif - virtual interface specific information.
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*
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* @ifp: lower layer interface pointer
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* @wdev: wireless device.
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* @mode: operating mode.
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* @roam_off: roaming state.
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* @pm_block: power-management blocked.
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* @list: linked list.
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*/
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struct brcmf_cfg80211_vif {
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struct brcmf_if *ifp;
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struct wireless_dev wdev;
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s32 mode;
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s32 roam_off;
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bool pm_block;
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struct list_head list;
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};
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/* dongle iscan event loop */
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struct brcmf_cfg80211_iscan_eloop {
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s32 (*handler[WL_SCAN_ERSULTS_LAST])
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@ -383,7 +402,7 @@ struct brcmf_pno_scanresults_le {
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/**
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* struct brcmf_cfg80211_info - dongle private data of cfg80211 interface
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*
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* @wdev: representing wl cfg80211 device.
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* @wiphy: wiphy object for cfg80211 interface.
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* @conf: dongle configuration.
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* @scan_request: cfg80211 scan request object.
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* @el: main event loop.
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@ -422,10 +441,11 @@ struct brcmf_pno_scanresults_le {
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* @escan_timeout_work: scan timeout worker.
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* @escan_ioctl_buf: dongle command buffer for escan commands.
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* @ap_info: host ap information.
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* @ci: used to link this structure to netdev private data.
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* @vif_list: linked list of vif instances.
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* @vif_cnt: number of vif instances.
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*/
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struct brcmf_cfg80211_info {
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struct wireless_dev *wdev;
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struct wiphy *wiphy;
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struct brcmf_cfg80211_conf *conf;
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struct cfg80211_scan_request *scan_request;
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struct brcmf_cfg80211_event_loop el;
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@ -464,11 +484,13 @@ struct brcmf_cfg80211_info {
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struct work_struct escan_timeout_work;
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u8 *escan_ioctl_buf;
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struct ap_info *ap_info;
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struct list_head vif_list;
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u8 vif_cnt;
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};
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static inline struct wiphy *cfg_to_wiphy(struct brcmf_cfg80211_info *w)
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static inline struct wiphy *cfg_to_wiphy(struct brcmf_cfg80211_info *cfg)
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{
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return w->wdev->wiphy;
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return cfg->wiphy;
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}
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static inline struct brcmf_cfg80211_info *wiphy_to_cfg(struct wiphy *w)
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@ -481,9 +503,12 @@ static inline struct brcmf_cfg80211_info *wdev_to_cfg(struct wireless_dev *wd)
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return (struct brcmf_cfg80211_info *)(wdev_priv(wd));
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}
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static inline struct net_device *cfg_to_ndev(struct brcmf_cfg80211_info *cfg)
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static inline
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struct net_device *cfg_to_ndev(struct brcmf_cfg80211_info *cfg)
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{
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return cfg->wdev->netdev;
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struct brcmf_cfg80211_vif *vif;
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vif = list_first_entry(&cfg->vif_list, struct brcmf_cfg80211_vif, list);
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return vif->wdev.netdev;
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}
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static inline struct brcmf_cfg80211_info *ndev_to_cfg(struct net_device *ndev)
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