diff options
Diffstat (limited to 'drivers/net/wireless/broadcom')
7 files changed, 89 insertions, 44 deletions
diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c index afe2b202040a..b8f7dec212e5 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c @@ -789,12 +789,48 @@ s32 brcmf_notify_escan_complete(struct brcmf_cfg80211_info *cfg, return err; } +static int brcmf_cfg80211_del_ap_iface(struct wiphy *wiphy, + struct wireless_dev *wdev) +{ + struct brcmf_cfg80211_info *cfg = wiphy_priv(wiphy); + struct net_device *ndev = wdev->netdev; + struct brcmf_if *ifp = netdev_priv(ndev); + int ret; + int err; + + brcmf_cfg80211_arm_vif_event(cfg, ifp->vif); + + err = brcmf_fil_bsscfg_data_set(ifp, "interface_remove", NULL, 0); + if (err) { + brcmf_err("interface_remove failed %d\n", err); + goto err_unarm; + } + + /* wait for firmware event */ + ret = brcmf_cfg80211_wait_vif_event(cfg, BRCMF_E_IF_DEL, + BRCMF_VIF_EVENT_TIMEOUT); + if (!ret) { + brcmf_err("timeout occurred\n"); + err = -EIO; + goto err_unarm; + } + + brcmf_remove_interface(ifp, true); + +err_unarm: + brcmf_cfg80211_arm_vif_event(cfg, NULL); + return err; +} + static int brcmf_cfg80211_del_iface(struct wiphy *wiphy, struct wireless_dev *wdev) { struct brcmf_cfg80211_info *cfg = wiphy_priv(wiphy); struct net_device *ndev = wdev->netdev; + if (ndev && ndev == cfg_to_ndev(cfg)) + return -ENOTSUPP; + /* vif event pending in firmware */ if (brcmf_cfg80211_vif_event_armed(cfg)) return -EBUSY; @@ -811,12 +847,13 @@ int brcmf_cfg80211_del_iface(struct wiphy *wiphy, struct wireless_dev *wdev) switch (wdev->iftype) { case NL80211_IFTYPE_ADHOC: case NL80211_IFTYPE_STATION: - case NL80211_IFTYPE_AP: case NL80211_IFTYPE_AP_VLAN: case NL80211_IFTYPE_WDS: case NL80211_IFTYPE_MONITOR: case NL80211_IFTYPE_MESH_POINT: return -EOPNOTSUPP; + case NL80211_IFTYPE_AP: + return brcmf_cfg80211_del_ap_iface(wiphy, wdev); case NL80211_IFTYPE_P2P_CLIENT: case NL80211_IFTYPE_P2P_GO: case NL80211_IFTYPE_P2P_DEVICE: @@ -6288,29 +6325,15 @@ static int brcmf_setup_ifmodes(struct wiphy *wiphy, struct brcmf_if *ifp) if (!combo) goto err; - c0_limits = kcalloc(p2p ? 3 : 2, sizeof(*c0_limits), GFP_KERNEL); - if (!c0_limits) - goto err; - - if (p2p) { - p2p_limits = kcalloc(4, sizeof(*p2p_limits), GFP_KERNEL); - if (!p2p_limits) - goto err; - } - - if (mbss) { - mbss_limits = kcalloc(1, sizeof(*mbss_limits), GFP_KERNEL); - if (!mbss_limits) - goto err; - } - wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | BIT(NL80211_IFTYPE_ADHOC) | BIT(NL80211_IFTYPE_AP); c = 0; i = 0; - combo[c].num_different_channels = 1; + c0_limits = kcalloc(p2p ? 3 : 2, sizeof(*c0_limits), GFP_KERNEL); + if (!c0_limits) + goto err; c0_limits[i].max = 1; c0_limits[i++].types = BIT(NL80211_IFTYPE_STATION); if (p2p) { @@ -6328,6 +6351,7 @@ static int brcmf_setup_ifmodes(struct wiphy *wiphy, struct brcmf_if *ifp) c0_limits[i].max = 1; c0_limits[i++].types = BIT(NL80211_IFTYPE_AP); } + combo[c].num_different_channels = 1; combo[c].max_interfaces = i; combo[c].n_limits = i; combo[c].limits = c0_limits; @@ -6335,7 +6359,9 @@ static int brcmf_setup_ifmodes(struct wiphy *wiphy, struct brcmf_if *ifp) if (p2p) { c++; i = 0; - combo[c].num_different_channels = 1; + p2p_limits = kcalloc(4, sizeof(*p2p_limits), GFP_KERNEL); + if (!p2p_limits) + goto err; p2p_limits[i].max = 1; p2p_limits[i++].types = BIT(NL80211_IFTYPE_STATION); p2p_limits[i].max = 1; @@ -6344,6 +6370,7 @@ static int brcmf_setup_ifmodes(struct wiphy *wiphy, struct brcmf_if *ifp) p2p_limits[i++].types = BIT(NL80211_IFTYPE_P2P_CLIENT); p2p_limits[i].max = 1; p2p_limits[i++].types = BIT(NL80211_IFTYPE_P2P_DEVICE); + combo[c].num_different_channels = 1; combo[c].max_interfaces = i; combo[c].n_limits = i; combo[c].limits = p2p_limits; @@ -6351,14 +6378,19 @@ static int brcmf_setup_ifmodes(struct wiphy *wiphy, struct brcmf_if *ifp) if (mbss) { c++; + i = 0; + mbss_limits = kcalloc(1, sizeof(*mbss_limits), GFP_KERNEL); + if (!mbss_limits) + goto err; + mbss_limits[i].max = 4; + mbss_limits[i++].types = BIT(NL80211_IFTYPE_AP); combo[c].beacon_int_infra_match = true; combo[c].num_different_channels = 1; - mbss_limits[0].max = 4; - mbss_limits[0].types = BIT(NL80211_IFTYPE_AP); combo[c].max_interfaces = 4; - combo[c].n_limits = 1; + combo[c].n_limits = i; combo[c].limits = mbss_limits; } + wiphy->n_iface_combinations = n_combos; wiphy->iface_combinations = combo; return 0; diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.h b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.h index 04bfc7e3ecde..7d77f869b7f1 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.h +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.h @@ -20,6 +20,7 @@ /* for brcmu_d11inf */ #include <brcmu_d11.h> +#include "core.h" #include "fwil_types.h" #include "p2p.h" diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c index faf4e46bd65b..8d16f0204985 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c @@ -548,12 +548,16 @@ fail: return -EBADE; } -static void brcmf_net_detach(struct net_device *ndev) +static void brcmf_net_detach(struct net_device *ndev, bool rtnl_locked) { - if (ndev->reg_state == NETREG_REGISTERED) - unregister_netdev(ndev); - else + if (ndev->reg_state == NETREG_REGISTERED) { + if (rtnl_locked) + unregister_netdevice(ndev); + else + unregister_netdev(ndev); + } else { brcmf_cfg80211_free_netdev(ndev); + } } void brcmf_net_setcarrier(struct brcmf_if *ifp, bool on) @@ -634,7 +638,7 @@ fail: } struct brcmf_if *brcmf_add_if(struct brcmf_pub *drvr, s32 bsscfgidx, s32 ifidx, - bool is_p2pdev, char *name, u8 *mac_addr) + bool is_p2pdev, const char *name, u8 *mac_addr) { struct brcmf_if *ifp; struct net_device *ndev; @@ -651,7 +655,7 @@ struct brcmf_if *brcmf_add_if(struct brcmf_pub *drvr, s32 bsscfgidx, s32 ifidx, brcmf_err("ERROR: netdev:%s already exists\n", ifp->ndev->name); netif_stop_queue(ifp->ndev); - brcmf_net_detach(ifp->ndev); + brcmf_net_detach(ifp->ndev, false); drvr->iflist[bsscfgidx] = NULL; } else { brcmf_dbg(INFO, "netdev:%s ignore IF event\n", @@ -699,7 +703,8 @@ struct brcmf_if *brcmf_add_if(struct brcmf_pub *drvr, s32 bsscfgidx, s32 ifidx, return ifp; } -static void brcmf_del_if(struct brcmf_pub *drvr, s32 bsscfgidx) +static void brcmf_del_if(struct brcmf_pub *drvr, s32 bsscfgidx, + bool rtnl_locked) { struct brcmf_if *ifp; @@ -729,7 +734,7 @@ static void brcmf_del_if(struct brcmf_pub *drvr, s32 bsscfgidx) cancel_work_sync(&ifp->multicast_work); cancel_work_sync(&ifp->ndoffload_work); } - brcmf_net_detach(ifp->ndev); + brcmf_net_detach(ifp->ndev, rtnl_locked); } else { /* Only p2p device interfaces which get dynamically created * end up here. In this case the p2p module should be informed @@ -743,14 +748,14 @@ static void brcmf_del_if(struct brcmf_pub *drvr, s32 bsscfgidx) } } -void brcmf_remove_interface(struct brcmf_if *ifp) +void brcmf_remove_interface(struct brcmf_if *ifp, bool rtnl_locked) { if (!ifp || WARN_ON(ifp->drvr->iflist[ifp->bsscfgidx] != ifp)) return; brcmf_dbg(TRACE, "Enter, bsscfgidx=%d, ifidx=%d\n", ifp->bsscfgidx, ifp->ifidx); brcmf_fws_del_interface(ifp); - brcmf_del_if(ifp->drvr, ifp->bsscfgidx); + brcmf_del_if(ifp->drvr, ifp->bsscfgidx, rtnl_locked); } #ifdef CONFIG_INET @@ -1057,9 +1062,9 @@ fail: brcmf_fws_deinit(drvr); } if (ifp) - brcmf_net_detach(ifp->ndev); + brcmf_net_detach(ifp->ndev, false); if (p2p_ifp) - brcmf_net_detach(p2p_ifp->ndev); + brcmf_net_detach(p2p_ifp->ndev, false); drvr->iflist[0] = NULL; drvr->iflist[1] = NULL; if (drvr->settings->ignore_probe_fail) @@ -1128,7 +1133,7 @@ void brcmf_detach(struct device *dev) /* make sure primary interface removed last */ for (i = BRCMF_MAX_IFS-1; i > -1; i--) - brcmf_remove_interface(drvr->iflist[i]); + brcmf_remove_interface(drvr->iflist[i], false); brcmf_cfg80211_detach(drvr->config); diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.h b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.h index 2a075c5f6f8b..8fa34cad5a96 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.h +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.h @@ -215,8 +215,8 @@ char *brcmf_ifname(struct brcmf_if *ifp); struct brcmf_if *brcmf_get_ifp(struct brcmf_pub *drvr, int ifidx); int brcmf_net_attach(struct brcmf_if *ifp, bool rtnl_locked); struct brcmf_if *brcmf_add_if(struct brcmf_pub *drvr, s32 bsscfgidx, s32 ifidx, - bool is_p2pdev, char *name, u8 *mac_addr); -void brcmf_remove_interface(struct brcmf_if *ifp); + bool is_p2pdev, const char *name, u8 *mac_addr); +void brcmf_remove_interface(struct brcmf_if *ifp, bool rtnl_locked); void brcmf_txflowblock_if(struct brcmf_if *ifp, enum brcmf_netif_stop_reason reason, bool state); void brcmf_txfinalize(struct brcmf_if *ifp, struct sk_buff *txp, bool success); diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fweh.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fweh.c index b390561255b3..79c081fd560f 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fweh.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fweh.c @@ -18,6 +18,7 @@ #include "brcmu_wifi.h" #include "brcmu_utils.h" +#include "cfg80211.h" #include "core.h" #include "debug.h" #include "tracepoint.h" @@ -182,8 +183,13 @@ 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_remove_interface(ifp); + if (ifp && ifevent->action == BRCMF_E_IF_DEL) { + bool armed = brcmf_cfg80211_vif_event_armed(drvr->config); + + /* Default handling in case no-one waits for this event */ + if (!armed) + brcmf_remove_interface(ifp, false); + } } /** diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/p2p.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/p2p.c index f38a82133540..66f942f7448e 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/p2p.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/p2p.c @@ -2261,6 +2261,8 @@ int brcmf_p2p_del_vif(struct wiphy *wiphy, struct wireless_dev *wdev) return 0; brcmf_p2p_cancel_remain_on_channel(vif->ifp); brcmf_p2p_deinit_discovery(p2p); + break; + default: return -ENOTSUPP; } @@ -2286,8 +2288,7 @@ int brcmf_p2p_del_vif(struct wiphy *wiphy, struct wireless_dev *wdev) else err = 0; } - if (err) - brcmf_remove_interface(vif->ifp); + brcmf_remove_interface(vif->ifp, true); brcmf_cfg80211_arm_vif_event(cfg, NULL); if (vif->wdev.iftype != NL80211_IFTYPE_P2P_DEVICE) @@ -2393,7 +2394,7 @@ void brcmf_p2p_detach(struct brcmf_p2p_info *p2p) if (vif != NULL) { brcmf_p2p_cancel_remain_on_channel(vif->ifp); brcmf_p2p_deinit_discovery(p2p); - brcmf_remove_interface(vif->ifp); + brcmf_remove_interface(vif->ifp, false); } /* just set it all to zero */ memset(p2p, 0, sizeof(*p2p)); diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmsmac/main.c b/drivers/net/wireless/broadcom/brcm80211/brcmsmac/main.c index e16ee60639f5..c2a938b59044 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmsmac/main.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmsmac/main.c @@ -3349,8 +3349,8 @@ static void brcms_b_coreinit(struct brcms_c_info *wlc) dma_rxfill(wlc_hw->di[RX_FIFO]); } -void -static brcms_b_init(struct brcms_hardware *wlc_hw, u16 chanspec) { +static void brcms_b_init(struct brcms_hardware *wlc_hw, u16 chanspec) +{ u32 macintmask; bool fastclk; struct brcms_c_info *wlc = wlc_hw->wlc; |