--- zzzz-none-000/linux-3.10.107/drivers/net/wireless/brcm80211/brcmfmac/p2p.c 2017-06-27 09:49:32.000000000 +0000 +++ scorpion-7490-727/linux-3.10.107/drivers/net/wireless/brcm80211/brcmfmac/p2p.c 2021-02-04 17:41:59.000000000 +0000 @@ -16,17 +16,18 @@ #include #include #include +#include #include #include #include #include -#include -#include +#include "core.h" +#include "debug.h" #include "fwil.h" #include "fwil_types.h" #include "p2p.h" -#include "wl_cfg80211.h" +#include "cfg80211.h" /* parameters used for p2p escan */ #define P2PAPI_SCAN_NPROBES 1 @@ -440,8 +441,11 @@ /* In case of COB type, firmware has default mac address * After Initializing firmware, we have to set current mac address to - * firmware for P2P device address + * firmware for P2P device address. This must be done with discovery + * disabled. */ + brcmf_fil_iovar_int_set(ifp, "p2p_disc", 0); + ret = brcmf_fil_iovar_data_set(ifp, "p2p_da_override", p2p_mac, ETH_ALEN); if (ret) @@ -694,7 +698,7 @@ else sparams->scan_type = 1; - memset(&sparams->bssid, 0xFF, ETH_ALEN); + eth_broadcast_addr(sparams->bssid); if (ssid.SSID_len) memcpy(sparams->ssid_le.SSID, ssid.SSID, ssid.SSID_len); sparams->ssid_le.SSID_len = cpu_to_le32(ssid.SSID_len); @@ -708,7 +712,7 @@ active = P2PAPI_SCAN_SOCIAL_DWELL_TIME_MS; else if (num_chans == AF_PEER_SEARCH_CNT) active = P2PAPI_SCAN_AF_SEARCH_DWELL_TIME_MS; - else if (wl_get_vif_state_all(p2p->cfg, BRCMF_VIF_STATUS_CONNECTED)) + else if (brcmf_get_vif_state_any(p2p->cfg, BRCMF_VIF_STATUS_CONNECTED)) active = -1; else active = P2PAPI_SCAN_DWELL_TIME_MS; @@ -797,7 +801,8 @@ /* SOCIAL CHANNELS 1, 6, 11 */ search_state = WL_P2P_DISC_ST_SEARCH; brcmf_dbg(INFO, "P2P SEARCH PHASE START\n"); - } else if (dev != NULL && vif->mode == WL_MODE_AP) { + } else if (dev != NULL && + vif->wdev.iftype == NL80211_IFTYPE_P2P_GO) { /* If you are already a GO, then do SEARCH only */ brcmf_dbg(INFO, "Already a GO. Do SEARCH Only\n"); search_state = WL_P2P_DISC_ST_SEARCH; @@ -812,7 +817,7 @@ struct ieee80211_channel *chan = request->channels[i]; if (chan->flags & (IEEE80211_CHAN_RADAR | - IEEE80211_CHAN_PASSIVE_SCAN)) + IEEE80211_CHAN_NO_IR)) continue; chanspecs[i] = channel_to_chanspec(&p2p->cfg->d11inf, @@ -823,6 +828,7 @@ } err = brcmf_p2p_escan(p2p, num_nodfs, chanspecs, search_state, action, P2PAPI_BSSCFG_DEVICE); + kfree(chanspecs); } exit: if (err) @@ -1148,7 +1154,7 @@ pri_vif = p2p->bss_idx[P2PAPI_BSSCFG_PRIMARY].vif; - INIT_COMPLETION(afx_hdl->act_frm_scan); + reinit_completion(&afx_hdl->act_frm_scan); set_bit(BRCMF_P2P_STATUS_FINDING_COMMON_CHANNEL, &p2p->status); afx_hdl->is_active = true; afx_hdl->peer_chan = P2P_INVALID_CHANNEL; @@ -1242,7 +1248,7 @@ IEEE80211_P2P_ATTR_DEVICE_ID, p2p_dev_addr, sizeof(p2p_dev_addr)); if ((err >= 0) && - (!memcmp(p2p_dev_addr, afx_hdl->tx_dst_addr, ETH_ALEN))) { + (ether_addr_equal(p2p_dev_addr, afx_hdl->tx_dst_addr))) { if (!bi->ctl_ch) { ch.chspec = le16_to_cpu(bi->chanspec); cfg->d11inf.decchspec(&ch); @@ -1379,8 +1385,7 @@ (brcmf_p2p_gon_req_collision(p2p, (u8 *)e->addr))) { if (test_bit(BRCMF_P2P_STATUS_FINDING_COMMON_CHANNEL, &p2p->status) && - (memcmp(afx_hdl->tx_dst_addr, e->addr, - ETH_ALEN) == 0)) { + (ether_addr_equal(afx_hdl->tx_dst_addr, e->addr))) { afx_hdl->peer_chan = ch.chnum; brcmf_dbg(INFO, "GON request: Peer found, channel=%d\n", afx_hdl->peer_chan); @@ -1430,8 +1435,7 @@ IEEE80211_BAND_5GHZ); wdev = &ifp->vif->wdev; - cfg80211_rx_mgmt(wdev, freq, 0, (u8 *)mgmt_frame, mgmt_frame_len, - GFP_ATOMIC); + cfg80211_rx_mgmt(wdev, freq, 0, (u8 *)mgmt_frame, mgmt_frame_len, 0); kfree(mgmt_frame); return 0; @@ -1501,7 +1505,7 @@ brcmf_dbg(TRACE, "Enter\n"); - INIT_COMPLETION(p2p->send_af_done); + reinit_completion(&p2p->send_af_done); clear_bit(BRCMF_P2P_STATUS_ACTION_TX_COMPLETED, &p2p->status); clear_bit(BRCMF_P2P_STATUS_ACTION_TX_NOACK, &p2p->status); @@ -1864,7 +1868,7 @@ cfg->d11inf.decchspec(&ch); if (test_bit(BRCMF_P2P_STATUS_FINDING_COMMON_CHANNEL, &p2p->status) && - (memcmp(afx_hdl->tx_dst_addr, e->addr, ETH_ALEN) == 0)) { + (ether_addr_equal(afx_hdl->tx_dst_addr, e->addr))) { afx_hdl->peer_chan = ch.chnum; brcmf_dbg(INFO, "PROBE REQUEST: Peer found, channel=%d\n", afx_hdl->peer_chan); @@ -1895,8 +1899,7 @@ IEEE80211_BAND_2GHZ : IEEE80211_BAND_5GHZ); - cfg80211_rx_mgmt(&vif->wdev, freq, 0, mgmt_frame, mgmt_frame_len, - GFP_ATOMIC); + cfg80211_rx_mgmt(&vif->wdev, freq, 0, mgmt_frame, mgmt_frame_len, 0); brcmf_dbg(INFO, "mgmt_frame_len (%d) , e->datalen (%d), chanspec (%04x), freq (%d)\n", mgmt_frame_len, e->datalen, chanspec, freq); @@ -1906,105 +1909,6 @@ /** - * brcmf_p2p_attach() - attach for P2P. - * - * @cfg: driver private data for cfg80211 interface. - */ -s32 brcmf_p2p_attach(struct brcmf_cfg80211_info *cfg) -{ - struct brcmf_if *pri_ifp; - struct brcmf_if *p2p_ifp; - struct brcmf_cfg80211_vif *p2p_vif; - struct brcmf_p2p_info *p2p; - struct brcmf_pub *drvr; - s32 bssidx; - s32 err = 0; - - p2p = &cfg->p2p; - p2p->cfg = cfg; - - drvr = cfg->pub; - - pri_ifp = drvr->iflist[0]; - p2p_ifp = drvr->iflist[1]; - - p2p->bss_idx[P2PAPI_BSSCFG_PRIMARY].vif = pri_ifp->vif; - - if (p2p_ifp) { - p2p_vif = brcmf_alloc_vif(cfg, NL80211_IFTYPE_P2P_DEVICE, - false); - if (IS_ERR(p2p_vif)) { - brcmf_err("could not create discovery vif\n"); - err = -ENOMEM; - goto exit; - } - - p2p_vif->ifp = p2p_ifp; - p2p_ifp->vif = p2p_vif; - p2p_vif->wdev.netdev = p2p_ifp->ndev; - p2p_ifp->ndev->ieee80211_ptr = &p2p_vif->wdev; - SET_NETDEV_DEV(p2p_ifp->ndev, wiphy_dev(cfg->wiphy)); - - p2p->bss_idx[P2PAPI_BSSCFG_DEVICE].vif = p2p_vif; - - brcmf_p2p_generate_bss_mac(p2p, NULL); - memcpy(p2p_ifp->mac_addr, p2p->dev_addr, ETH_ALEN); - brcmf_p2p_set_firmware(pri_ifp, p2p->dev_addr); - - /* Initialize P2P Discovery in the firmware */ - err = brcmf_fil_iovar_int_set(pri_ifp, "p2p_disc", 1); - if (err < 0) { - brcmf_err("set p2p_disc error\n"); - brcmf_free_vif(cfg, p2p_vif); - goto exit; - } - /* obtain bsscfg index for P2P discovery */ - err = brcmf_fil_iovar_int_get(pri_ifp, "p2p_dev", &bssidx); - if (err < 0) { - brcmf_err("retrieving discover bsscfg index failed\n"); - brcmf_free_vif(cfg, p2p_vif); - goto exit; - } - /* Verify that firmware uses same bssidx as driver !! */ - if (p2p_ifp->bssidx != bssidx) { - brcmf_err("Incorrect bssidx=%d, compared to p2p_ifp->bssidx=%d\n", - bssidx, p2p_ifp->bssidx); - brcmf_free_vif(cfg, p2p_vif); - goto exit; - } - - init_completion(&p2p->send_af_done); - INIT_WORK(&p2p->afx_hdl.afx_work, brcmf_p2p_afx_handler); - init_completion(&p2p->afx_hdl.act_frm_scan); - init_completion(&p2p->wait_next_af); - } -exit: - return err; -} - - -/** - * brcmf_p2p_detach() - detach P2P. - * - * @p2p: P2P specific data. - */ -void brcmf_p2p_detach(struct brcmf_p2p_info *p2p) -{ - struct brcmf_cfg80211_vif *vif; - - vif = p2p->bss_idx[P2PAPI_BSSCFG_DEVICE].vif; - if (vif != NULL) { - brcmf_p2p_cancel_remain_on_channel(vif->ifp); - brcmf_p2p_deinit_discovery(p2p); - /* remove discovery interface */ - brcmf_free_vif(p2p->cfg, vif); - p2p->bss_idx[P2PAPI_BSSCFG_DEVICE].vif = NULL; - } - /* just set it all to zero */ - memset(p2p, 0, sizeof(*p2p)); -} - -/** * brcmf_p2p_get_current_chanspec() - Get current operation channel. * * @p2p: P2P specific data. @@ -2180,11 +2084,13 @@ brcmf_p2p_set_firmware(pri_ifp, p2p->dev_addr); brcmf_cfg80211_arm_vif_event(p2p->cfg, p2p_vif); + brcmf_fweh_p2pdev_setup(pri_ifp, true); /* Initialize P2P Discovery in the firmware */ err = brcmf_fil_iovar_int_set(pri_ifp, "p2p_disc", 1); if (err < 0) { brcmf_err("set p2p_disc error\n"); + brcmf_fweh_p2pdev_setup(pri_ifp, false); brcmf_cfg80211_arm_vif_event(p2p->cfg, NULL); goto fail; } @@ -2193,6 +2099,7 @@ err = brcmf_cfg80211_wait_vif_event_timeout(p2p->cfg, BRCMF_E_IF_ADD, msecs_to_jiffies(1500)); brcmf_cfg80211_arm_vif_event(p2p->cfg, NULL); + brcmf_fweh_p2pdev_setup(pri_ifp, false); if (!err) { brcmf_err("timeout occurred\n"); err = -EIO; @@ -2222,52 +2129,22 @@ return &p2p_vif->wdev; fail: - brcmf_free_vif(p2p->cfg, p2p_vif); + brcmf_free_vif(p2p_vif); return ERR_PTR(err); } /** - * brcmf_p2p_delete_p2pdev() - delete P2P_DEVICE virtual interface. - * - * @vif: virtual interface object to delete. - */ -static void brcmf_p2p_delete_p2pdev(struct brcmf_cfg80211_info *cfg, - struct brcmf_cfg80211_vif *vif) -{ - cfg80211_unregister_wdev(&vif->wdev); - cfg->p2p.bss_idx[P2PAPI_BSSCFG_DEVICE].vif = NULL; - brcmf_free_vif(cfg, vif); -} - -/** - * brcmf_p2p_free_p2p_if() - free up net device related data. - * - * @ndev: net device that needs to be freed. - */ -static void brcmf_p2p_free_p2p_if(struct net_device *ndev) -{ - struct brcmf_cfg80211_info *cfg; - struct brcmf_cfg80211_vif *vif; - struct brcmf_if *ifp; - - ifp = netdev_priv(ndev); - cfg = ifp->drvr->config; - vif = ifp->vif; - - brcmf_free_vif(cfg, vif); - free_netdev(ifp->ndev); -} - -/** * brcmf_p2p_add_vif() - create a new P2P virtual interface. * * @wiphy: wiphy device of new interface. * @name: name of the new interface. + * @name_assign_type: origin of the interface name * @type: nl80211 interface type. * @flags: not used. * @params: contains mac address for P2P device. */ struct wireless_dev *brcmf_p2p_add_vif(struct wiphy *wiphy, const char *name, + unsigned char name_assign_type, enum nl80211_iftype type, u32 *flags, struct vif_params *params) { @@ -2275,7 +2152,6 @@ struct brcmf_if *ifp = netdev_priv(cfg_to_ndev(cfg)); struct brcmf_cfg80211_vif *vif; enum brcmf_fil_p2p_if_types iftype; - enum wl_mode mode; int err; if (brcmf_cfg80211_vif_event_armed(cfg)) @@ -2286,11 +2162,9 @@ switch (type) { case NL80211_IFTYPE_P2P_CLIENT: iftype = BRCMF_FIL_P2P_IF_CLIENT; - mode = WL_MODE_BSS; break; case NL80211_IFTYPE_P2P_GO: iftype = BRCMF_FIL_P2P_IF_GO; - mode = WL_MODE_AP; break; case NL80211_IFTYPE_P2P_DEVICE: return brcmf_p2p_create_p2pdev(&cfg->p2p, wiphy, @@ -2330,13 +2204,12 @@ } strncpy(ifp->ndev->name, name, sizeof(ifp->ndev->name) - 1); + ifp->ndev->name_assign_type = name_assign_type; err = brcmf_net_attach(ifp, true); if (err) { brcmf_err("Registering netdevice failed\n"); goto fail; } - /* override destructor */ - ifp->ndev->destructor = brcmf_p2p_free_p2p_if; cfg->p2p.bss_idx[P2PAPI_BSSCFG_CONNECTION].vif = vif; /* Disable firmware roaming for P2P interface */ @@ -2349,7 +2222,7 @@ return &ifp->vif->wdev; fail: - brcmf_free_vif(cfg, vif); + brcmf_free_vif(vif); return ERR_PTR(err); } @@ -2358,8 +2231,6 @@ * * @wiphy: wiphy device of interface. * @wdev: wireless device of interface. - * - * TODO: not yet supported. */ int brcmf_p2p_del_vif(struct wiphy *wiphy, struct wireless_dev *wdev) { @@ -2373,6 +2244,7 @@ brcmf_dbg(TRACE, "delete P2P vif\n"); vif = container_of(wdev, struct brcmf_cfg80211_vif, wdev); + brcmf_cfg80211_arm_vif_event(cfg, vif); switch (vif->wdev.iftype) { case NL80211_IFTYPE_P2P_CLIENT: if (test_bit(BRCMF_VIF_STATUS_DISCONNECTING, &vif->sme_state)) @@ -2385,11 +2257,12 @@ break; case NL80211_IFTYPE_P2P_DEVICE: - brcmf_p2p_delete_p2pdev(cfg, vif); - return 0; + if (!p2p->bss_idx[P2PAPI_BSSCFG_DEVICE].vif) + return 0; + brcmf_p2p_cancel_remain_on_channel(vif->ifp); + brcmf_p2p_deinit_discovery(p2p); default: return -ENOTSUPP; - break; } clear_bit(BRCMF_P2P_STATUS_GO_NEG_PHASE, &p2p->status); @@ -2399,10 +2272,11 @@ wait_for_completion_timeout(&cfg->vif_disabled, msecs_to_jiffies(500)); - brcmf_vif_clear_mgmt_ies(vif); - - brcmf_cfg80211_arm_vif_event(cfg, vif); - err = brcmf_p2p_release_p2p_if(vif); + err = 0; + if (vif->wdev.iftype != NL80211_IFTYPE_P2P_DEVICE) { + brcmf_vif_clear_mgmt_ies(vif); + err = brcmf_p2p_release_p2p_if(vif); + } if (!err) { /* wait for firmware event */ err = brcmf_cfg80211_wait_vif_event_timeout(cfg, BRCMF_E_IF_DEL, @@ -2412,12 +2286,31 @@ else err = 0; } + if (err) + brcmf_remove_interface(vif->ifp); + brcmf_cfg80211_arm_vif_event(cfg, NULL); - p2p->bss_idx[P2PAPI_BSSCFG_CONNECTION].vif = NULL; + if (vif->wdev.iftype != NL80211_IFTYPE_P2P_DEVICE) + p2p->bss_idx[P2PAPI_BSSCFG_CONNECTION].vif = NULL; return err; } +void brcmf_p2p_ifp_removed(struct brcmf_if *ifp) +{ + struct brcmf_cfg80211_info *cfg; + struct brcmf_cfg80211_vif *vif; + + brcmf_dbg(INFO, "P2P: device interface removed\n"); + vif = ifp->vif; + cfg = wdev_to_cfg(&vif->wdev); + cfg->p2p.bss_idx[P2PAPI_BSSCFG_DEVICE].vif = NULL; + rtnl_lock(); + cfg80211_unregister_wdev(&vif->wdev); + rtnl_unlock(); + brcmf_free_vif(vif); +} + int brcmf_p2p_start_device(struct wiphy *wiphy, struct wireless_dev *wdev) { struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); @@ -2441,9 +2334,68 @@ struct brcmf_cfg80211_vif *vif; vif = container_of(wdev, struct brcmf_cfg80211_vif, wdev); - mutex_lock(&cfg->usr_sync); - (void)brcmf_p2p_deinit_discovery(p2p); - brcmf_abort_scanning(cfg); - clear_bit(BRCMF_VIF_STATUS_READY, &vif->sme_state); - mutex_unlock(&cfg->usr_sync); + /* This call can be result of the unregister_wdev call. In that case + * we dont want to do anything anymore. Just return. The config vif + * will have been cleared at this point. + */ + if (p2p->bss_idx[P2PAPI_BSSCFG_DEVICE].vif == vif) { + mutex_lock(&cfg->usr_sync); + /* Set the discovery state to SCAN */ + (void)brcmf_p2p_set_discover_state(vif->ifp, + WL_P2P_DISC_ST_SCAN, 0, 0); + brcmf_abort_scanning(cfg); + clear_bit(BRCMF_VIF_STATUS_READY, &vif->sme_state); + mutex_unlock(&cfg->usr_sync); + } +} + +/** + * brcmf_p2p_attach() - attach for P2P. + * + * @cfg: driver private data for cfg80211 interface. + * @p2pdev_forced: create p2p device interface at attach. + */ +s32 brcmf_p2p_attach(struct brcmf_cfg80211_info *cfg, bool p2pdev_forced) +{ + struct brcmf_p2p_info *p2p; + struct brcmf_if *pri_ifp; + s32 err = 0; + void *err_ptr; + + p2p = &cfg->p2p; + p2p->cfg = cfg; + + pri_ifp = brcmf_get_ifp(cfg->pub, 0); + p2p->bss_idx[P2PAPI_BSSCFG_PRIMARY].vif = pri_ifp->vif; + + if (p2pdev_forced) { + err_ptr = brcmf_p2p_create_p2pdev(p2p, NULL, NULL); + if (IS_ERR(err_ptr)) { + brcmf_err("P2P device creation failed.\n"); + err = PTR_ERR(err_ptr); + } + } else { + p2p->p2pdev_dynamically = true; + } + return err; } + +/** + * brcmf_p2p_detach() - detach P2P. + * + * @p2p: P2P specific data. + */ +void brcmf_p2p_detach(struct brcmf_p2p_info *p2p) +{ + struct brcmf_cfg80211_vif *vif; + + vif = p2p->bss_idx[P2PAPI_BSSCFG_DEVICE].vif; + if (vif != NULL) { + brcmf_p2p_cancel_remain_on_channel(vif->ifp); + brcmf_p2p_deinit_discovery(p2p); + brcmf_remove_interface(vif->ifp); + } + /* just set it all to zero */ + memset(p2p, 0, sizeof(*p2p)); +} +