| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Kalle Valo | 22783 | 79.84% | 1 | 2.63% |
| John Crispin | 3978 | 13.94% | 8 | 21.05% |
| Karthikeyan Periyasamy | 308 | 1.08% | 2 | 5.26% |
| Vasanthakumar Thiagarajan | 264 | 0.93% | 1 | 2.63% |
| Sven Eckelmann | 260 | 0.91% | 1 | 2.63% |
| Maharaja Kennadyrajan | 203 | 0.71% | 3 | 7.89% |
| Sathishkumar Muruganandam | 170 | 0.60% | 2 | 5.26% |
| Manikanta Pubbisetty | 154 | 0.54% | 2 | 5.26% |
| Vikas Patel | 95 | 0.33% | 1 | 2.63% |
| Pradeep Kumar Chitrapu | 74 | 0.26% | 3 | 7.89% |
| Sriram R | 65 | 0.23% | 3 | 7.89% |
| Venkateswara Naralasetty | 62 | 0.22% | 3 | 7.89% |
| Tamizh chelvam | 54 | 0.19% | 1 | 2.63% |
| Bhagavathi Perumal S | 24 | 0.08% | 1 | 2.63% |
| Ritesh Singh | 19 | 0.07% | 1 | 2.63% |
| Muna Sinada | 11 | 0.04% | 2 | 5.26% |
| Colin Ian King | 7 | 0.02% | 1 | 2.63% |
| Rajkumar Manoharan | 4 | 0.01% | 1 | 2.63% |
| Arnd Bergmann | 1 | 0.00% | 1 | 2.63% |
| Total | 28536 | 38 |
// SPDX-License-Identifier: BSD-3-Clause-Clear /* * Copyright (c) 2018-2019 The Linux Foundation. All rights reserved. */ #include <net/mac80211.h> #include <linux/etherdevice.h> #include "mac.h" #include "core.h" #include "debug.h" #include "wmi.h" #include "hw.h" #include "dp_tx.h" #include "dp_rx.h" #include "testmode.h" #include "peer.h" #define CHAN2G(_channel, _freq, _flags) { \ .band = NL80211_BAND_2GHZ, \ .hw_value = (_channel), \ .center_freq = (_freq), \ .flags = (_flags), \ .max_antenna_gain = 0, \ .max_power = 30, \ } #define CHAN5G(_channel, _freq, _flags) { \ .band = NL80211_BAND_5GHZ, \ .hw_value = (_channel), \ .center_freq = (_freq), \ .flags = (_flags), \ .max_antenna_gain = 0, \ .max_power = 30, \ } /* frame mode values are mapped as per enum ath11k_hw_txrx_mode */ static unsigned int ath11k_frame_mode = ATH11K_HW_TXRX_NATIVE_WIFI; module_param_named(frame_mode, ath11k_frame_mode, uint, 0644); MODULE_PARM_DESC(frame_mode, "Datapath frame mode (0: raw, 1: native wifi (default), 2: ethernet)"); static const struct ieee80211_channel ath11k_2ghz_channels[] = { CHAN2G(1, 2412, 0), CHAN2G(2, 2417, 0), CHAN2G(3, 2422, 0), CHAN2G(4, 2427, 0), CHAN2G(5, 2432, 0), CHAN2G(6, 2437, 0), CHAN2G(7, 2442, 0), CHAN2G(8, 2447, 0), CHAN2G(9, 2452, 0), CHAN2G(10, 2457, 0), CHAN2G(11, 2462, 0), CHAN2G(12, 2467, 0), CHAN2G(13, 2472, 0), CHAN2G(14, 2484, 0), }; static const struct ieee80211_channel ath11k_5ghz_channels[] = { CHAN5G(36, 5180, 0), CHAN5G(40, 5200, 0), CHAN5G(44, 5220, 0), CHAN5G(48, 5240, 0), CHAN5G(52, 5260, 0), CHAN5G(56, 5280, 0), CHAN5G(60, 5300, 0), CHAN5G(64, 5320, 0), CHAN5G(100, 5500, 0), CHAN5G(104, 5520, 0), CHAN5G(108, 5540, 0), CHAN5G(112, 5560, 0), CHAN5G(116, 5580, 0), CHAN5G(120, 5600, 0), CHAN5G(124, 5620, 0), CHAN5G(128, 5640, 0), CHAN5G(132, 5660, 0), CHAN5G(136, 5680, 0), CHAN5G(140, 5700, 0), CHAN5G(144, 5720, 0), CHAN5G(149, 5745, 0), CHAN5G(153, 5765, 0), CHAN5G(157, 5785, 0), CHAN5G(161, 5805, 0), CHAN5G(165, 5825, 0), CHAN5G(169, 5845, 0), CHAN5G(173, 5865, 0), }; static struct ieee80211_rate ath11k_legacy_rates[] = { { .bitrate = 10, .hw_value = ATH11K_HW_RATE_CCK_LP_1M }, { .bitrate = 20, .hw_value = ATH11K_HW_RATE_CCK_LP_2M, .hw_value_short = ATH11K_HW_RATE_CCK_SP_2M, .flags = IEEE80211_RATE_SHORT_PREAMBLE }, { .bitrate = 55, .hw_value = ATH11K_HW_RATE_CCK_LP_5_5M, .hw_value_short = ATH11K_HW_RATE_CCK_SP_5_5M, .flags = IEEE80211_RATE_SHORT_PREAMBLE }, { .bitrate = 110, .hw_value = ATH11K_HW_RATE_CCK_LP_11M, .hw_value_short = ATH11K_HW_RATE_CCK_SP_11M, .flags = IEEE80211_RATE_SHORT_PREAMBLE }, { .bitrate = 60, .hw_value = ATH11K_HW_RATE_OFDM_6M }, { .bitrate = 90, .hw_value = ATH11K_HW_RATE_OFDM_9M }, { .bitrate = 120, .hw_value = ATH11K_HW_RATE_OFDM_12M }, { .bitrate = 180, .hw_value = ATH11K_HW_RATE_OFDM_18M }, { .bitrate = 240, .hw_value = ATH11K_HW_RATE_OFDM_24M }, { .bitrate = 360, .hw_value = ATH11K_HW_RATE_OFDM_36M }, { .bitrate = 480, .hw_value = ATH11K_HW_RATE_OFDM_48M }, { .bitrate = 540, .hw_value = ATH11K_HW_RATE_OFDM_54M }, }; static const int ath11k_phymodes[NUM_NL80211_BANDS][ATH11K_CHAN_WIDTH_NUM] = { [NL80211_BAND_2GHZ] = { [NL80211_CHAN_WIDTH_5] = MODE_UNKNOWN, [NL80211_CHAN_WIDTH_10] = MODE_UNKNOWN, [NL80211_CHAN_WIDTH_20_NOHT] = MODE_11AX_HE20_2G, [NL80211_CHAN_WIDTH_20] = MODE_11AX_HE20_2G, [NL80211_CHAN_WIDTH_40] = MODE_11AX_HE40_2G, [NL80211_CHAN_WIDTH_80] = MODE_11AX_HE80_2G, [NL80211_CHAN_WIDTH_80P80] = MODE_UNKNOWN, [NL80211_CHAN_WIDTH_160] = MODE_UNKNOWN, }, [NL80211_BAND_5GHZ] = { [NL80211_CHAN_WIDTH_5] = MODE_UNKNOWN, [NL80211_CHAN_WIDTH_10] = MODE_UNKNOWN, [NL80211_CHAN_WIDTH_20_NOHT] = MODE_11AX_HE20, [NL80211_CHAN_WIDTH_20] = MODE_11AX_HE20, [NL80211_CHAN_WIDTH_40] = MODE_11AX_HE40, [NL80211_CHAN_WIDTH_80] = MODE_11AX_HE80, [NL80211_CHAN_WIDTH_160] = MODE_11AX_HE160, [NL80211_CHAN_WIDTH_80P80] = MODE_11AX_HE80_80, }, }; const struct htt_rx_ring_tlv_filter ath11k_mac_mon_status_filter_default = { .rx_filter = HTT_RX_FILTER_TLV_FLAGS_MPDU_START | HTT_RX_FILTER_TLV_FLAGS_PPDU_END | HTT_RX_FILTER_TLV_FLAGS_PPDU_END_STATUS_DONE, .pkt_filter_flags0 = HTT_RX_FP_MGMT_FILTER_FLAGS0, .pkt_filter_flags1 = HTT_RX_FP_MGMT_FILTER_FLAGS1, .pkt_filter_flags2 = HTT_RX_FP_CTRL_FILTER_FLASG2, .pkt_filter_flags3 = HTT_RX_FP_DATA_FILTER_FLASG3 | HTT_RX_FP_CTRL_FILTER_FLASG3 }; #define ATH11K_MAC_FIRST_OFDM_RATE_IDX 4 #define ath11k_g_rates ath11k_legacy_rates #define ath11k_g_rates_size (ARRAY_SIZE(ath11k_legacy_rates)) #define ath11k_a_rates (ath11k_legacy_rates + 4) #define ath11k_a_rates_size (ARRAY_SIZE(ath11k_legacy_rates) - 4) #define ATH11K_MAC_SCAN_TIMEOUT_MSECS 200 /* in msecs */ static const u32 ath11k_smps_map[] = { [WLAN_HT_CAP_SM_PS_STATIC] = WMI_PEER_SMPS_STATIC, [WLAN_HT_CAP_SM_PS_DYNAMIC] = WMI_PEER_SMPS_DYNAMIC, [WLAN_HT_CAP_SM_PS_INVALID] = WMI_PEER_SMPS_PS_NONE, [WLAN_HT_CAP_SM_PS_DISABLED] = WMI_PEER_SMPS_PS_NONE, }; u8 ath11k_mac_bw_to_mac80211_bw(u8 bw) { u8 ret = 0; switch (bw) { case ATH11K_BW_20: ret = RATE_INFO_BW_20; break; case ATH11K_BW_40: ret = RATE_INFO_BW_40; break; case ATH11K_BW_80: ret = RATE_INFO_BW_80; break; case ATH11K_BW_160: ret = RATE_INFO_BW_160; break; } return ret; } enum ath11k_supported_bw ath11k_mac_mac80211_bw_to_ath11k_bw(enum rate_info_bw bw) { switch (bw) { case RATE_INFO_BW_20: return ATH11K_BW_20; case RATE_INFO_BW_40: return ATH11K_BW_40; case RATE_INFO_BW_80: return ATH11K_BW_80; case RATE_INFO_BW_160: return ATH11K_BW_160; default: return ATH11K_BW_20; } } int ath11k_mac_hw_ratecode_to_legacy_rate(u8 hw_rc, u8 preamble, u8 *rateidx, u16 *rate) { /* As default, it is OFDM rates */ int i = ATH11K_MAC_FIRST_OFDM_RATE_IDX; int max_rates_idx = ath11k_g_rates_size; if (preamble == WMI_RATE_PREAMBLE_CCK) { hw_rc &= ~ATH11k_HW_RATECODE_CCK_SHORT_PREAM_MASK; i = 0; max_rates_idx = ATH11K_MAC_FIRST_OFDM_RATE_IDX; } while (i < max_rates_idx) { if (hw_rc == ath11k_legacy_rates[i].hw_value) { *rateidx = i; *rate = ath11k_legacy_rates[i].bitrate; return 0; } i++; } return -EINVAL; } static int get_num_chains(u32 mask) { int num_chains = 0; while (mask) { if (mask & BIT(0)) num_chains++; mask >>= 1; } return num_chains; } u8 ath11k_mac_bitrate_to_idx(const struct ieee80211_supported_band *sband, u32 bitrate) { int i; for (i = 0; i < sband->n_bitrates; i++) if (sband->bitrates[i].bitrate == bitrate) return i; return 0; } static u32 ath11k_mac_max_ht_nss(const u8 ht_mcs_mask[IEEE80211_HT_MCS_MASK_LEN]) { int nss; for (nss = IEEE80211_HT_MCS_MASK_LEN - 1; nss >= 0; nss--) if (ht_mcs_mask[nss]) return nss + 1; return 1; } static u32 ath11k_mac_max_vht_nss(const u16 vht_mcs_mask[NL80211_VHT_NSS_MAX]) { int nss; for (nss = NL80211_VHT_NSS_MAX - 1; nss >= 0; nss--) if (vht_mcs_mask[nss]) return nss + 1; return 1; } static u8 ath11k_parse_mpdudensity(u8 mpdudensity) { /* 802.11n D2.0 defined values for "Minimum MPDU Start Spacing": * 0 for no restriction * 1 for 1/4 us * 2 for 1/2 us * 3 for 1 us * 4 for 2 us * 5 for 4 us * 6 for 8 us * 7 for 16 us */ switch (mpdudensity) { case 0: return 0; case 1: case 2: case 3: /* Our lower layer calculations limit our precision to * 1 microsecond */ return 1; case 4: return 2; case 5: return 4; case 6: return 8; case 7: return 16; default: return 0; } } static int ath11k_mac_vif_chan(struct ieee80211_vif *vif, struct cfg80211_chan_def *def) { struct ieee80211_chanctx_conf *conf; rcu_read_lock(); conf = rcu_dereference(vif->chanctx_conf); if (!conf) { rcu_read_unlock(); return -ENOENT; } *def = conf->def; rcu_read_unlock(); return 0; } static bool ath11k_mac_bitrate_is_cck(int bitrate) { switch (bitrate) { case 10: case 20: case 55: case 110: return true; } return false; } u8 ath11k_mac_hw_rate_to_idx(const struct ieee80211_supported_band *sband, u8 hw_rate, bool cck) { const struct ieee80211_rate *rate; int i; for (i = 0; i < sband->n_bitrates; i++) { rate = &sband->bitrates[i]; if (ath11k_mac_bitrate_is_cck(rate->bitrate) != cck) continue; if (rate->hw_value == hw_rate) return i; else if (rate->flags & IEEE80211_RATE_SHORT_PREAMBLE && rate->hw_value_short == hw_rate) return i; } return 0; } static u8 ath11k_mac_bitrate_to_rate(int bitrate) { return DIV_ROUND_UP(bitrate, 5) | (ath11k_mac_bitrate_is_cck(bitrate) ? BIT(7) : 0); } static void ath11k_get_arvif_iter(void *data, u8 *mac, struct ieee80211_vif *vif) { struct ath11k_vif_iter *arvif_iter = data; struct ath11k_vif *arvif = (void *)vif->drv_priv; if (arvif->vdev_id == arvif_iter->vdev_id) arvif_iter->arvif = arvif; } struct ath11k_vif *ath11k_mac_get_arvif(struct ath11k *ar, u32 vdev_id) { struct ath11k_vif_iter arvif_iter; u32 flags; memset(&arvif_iter, 0, sizeof(struct ath11k_vif_iter)); arvif_iter.vdev_id = vdev_id; flags = IEEE80211_IFACE_ITER_RESUME_ALL; ieee80211_iterate_active_interfaces_atomic(ar->hw, flags, ath11k_get_arvif_iter, &arvif_iter); if (!arvif_iter.arvif) { ath11k_warn(ar->ab, "No VIF found for vdev %d\n", vdev_id); return NULL; } return arvif_iter.arvif; } struct ath11k_vif *ath11k_mac_get_arvif_by_vdev_id(struct ath11k_base *ab, u32 vdev_id) { int i; struct ath11k_pdev *pdev; struct ath11k_vif *arvif; for (i = 0; i < ab->num_radios; i++) { pdev = rcu_dereference(ab->pdevs_active[i]); if (pdev && pdev->ar) { arvif = ath11k_mac_get_arvif(pdev->ar, vdev_id); if (arvif) return arvif; } } return NULL; } struct ath11k *ath11k_mac_get_ar_by_vdev_id(struct ath11k_base *ab, u32 vdev_id) { int i; struct ath11k_pdev *pdev; for (i = 0; i < ab->num_radios; i++) { pdev = rcu_dereference(ab->pdevs_active[i]); if (pdev && pdev->ar) { if (pdev->ar->allocated_vdev_map & (1LL << vdev_id)) return pdev->ar; } } return NULL; } struct ath11k *ath11k_mac_get_ar_by_pdev_id(struct ath11k_base *ab, u32 pdev_id) { int i; struct ath11k_pdev *pdev; if (WARN_ON(pdev_id > ab->num_radios)) return NULL; for (i = 0; i < ab->num_radios; i++) { pdev = rcu_dereference(ab->pdevs_active[i]); if (pdev && pdev->pdev_id == pdev_id) return (pdev->ar ? pdev->ar : NULL); } return NULL; } struct ath11k *ath11k_mac_get_ar_vdev_stop_status(struct ath11k_base *ab, u32 vdev_id) { int i; struct ath11k_pdev *pdev; struct ath11k *ar; for (i = 0; i < ab->num_radios; i++) { pdev = rcu_dereference(ab->pdevs_active[i]); if (pdev && pdev->ar) { ar = pdev->ar; spin_lock_bh(&ar->data_lock); if (ar->vdev_stop_status.stop_in_progress && ar->vdev_stop_status.vdev_id == vdev_id) { ar->vdev_stop_status.stop_in_progress = false; spin_unlock_bh(&ar->data_lock); return ar; } spin_unlock_bh(&ar->data_lock); } } return NULL; } static void ath11k_pdev_caps_update(struct ath11k *ar) { struct ath11k_base *ab = ar->ab; ar->max_tx_power = ab->target_caps.hw_max_tx_power; /* FIXME Set min_tx_power to ab->target_caps.hw_min_tx_power. * But since the received value in svcrdy is same as hw_max_tx_power, * we can set ar->min_tx_power to 0 currently until * this is fixed in firmware */ ar->min_tx_power = 0; ar->txpower_limit_2g = ar->max_tx_power; ar->txpower_limit_5g = ar->max_tx_power; ar->txpower_scale = WMI_HOST_TP_SCALE_MAX; } static int ath11k_mac_txpower_recalc(struct ath11k *ar) { struct ath11k_pdev *pdev = ar->pdev; struct ath11k_vif *arvif; int ret, txpower = -1; u32 param; lockdep_assert_held(&ar->conf_mutex); list_for_each_entry(arvif, &ar->arvifs, list) { if (arvif->txpower <= 0) continue; if (txpower == -1) txpower = arvif->txpower; else txpower = min(txpower, arvif->txpower); } if (txpower == -1) return 0; /* txpwr is set as 2 units per dBm in FW*/ txpower = min_t(u32, max_t(u32, ar->min_tx_power, txpower), ar->max_tx_power) * 2; ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "txpower to set in hw %d\n", txpower / 2); if ((pdev->cap.supported_bands & WMI_HOST_WLAN_2G_CAP) && ar->txpower_limit_2g != txpower) { param = WMI_PDEV_PARAM_TXPOWER_LIMIT2G; ret = ath11k_wmi_pdev_set_param(ar, param, txpower, ar->pdev->pdev_id); if (ret) goto fail; ar->txpower_limit_2g = txpower; } if ((pdev->cap.supported_bands & WMI_HOST_WLAN_5G_CAP) && ar->txpower_limit_5g != txpower) { param = WMI_PDEV_PARAM_TXPOWER_LIMIT5G; ret = ath11k_wmi_pdev_set_param(ar, param, txpower, ar->pdev->pdev_id); if (ret) goto fail; ar->txpower_limit_5g = txpower; } return 0; fail: ath11k_warn(ar->ab, "failed to recalc txpower limit %d using pdev param %d: %d\n", txpower / 2, param, ret); return ret; } static int ath11k_recalc_rtscts_prot(struct ath11k_vif *arvif) { struct ath11k *ar = arvif->ar; u32 vdev_param, rts_cts = 0; int ret; lockdep_assert_held(&ar->conf_mutex); vdev_param = WMI_VDEV_PARAM_ENABLE_RTSCTS; /* Enable RTS/CTS protection for sw retries (when legacy stations * are in BSS) or by default only for second rate series. * TODO: Check if we need to enable CTS 2 Self in any case */ rts_cts = WMI_USE_RTS_CTS; if (arvif->num_legacy_stations > 0) rts_cts |= WMI_RTSCTS_ACROSS_SW_RETRIES << 4; else rts_cts |= WMI_RTSCTS_FOR_SECOND_RATESERIES << 4; /* Need not send duplicate param value to firmware */ if (arvif->rtscts_prot_mode == rts_cts) return 0; arvif->rtscts_prot_mode = rts_cts; ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "mac vdev %d recalc rts/cts prot %d\n", arvif->vdev_id, rts_cts); ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id, vdev_param, rts_cts); if (ret) ath11k_warn(ar->ab, "failed to recalculate rts/cts prot for vdev %d: %d\n", arvif->vdev_id, ret); return ret; } static int ath11k_mac_set_kickout(struct ath11k_vif *arvif) { struct ath11k *ar = arvif->ar; u32 param; int ret; ret = ath11k_wmi_pdev_set_param(ar, WMI_PDEV_PARAM_STA_KICKOUT_TH, ATH11K_KICKOUT_THRESHOLD, ar->pdev->pdev_id); if (ret) { ath11k_warn(ar->ab, "failed to set kickout threshold on vdev %i: %d\n", arvif->vdev_id, ret); return ret; } param = WMI_VDEV_PARAM_AP_KEEPALIVE_MIN_IDLE_INACTIVE_TIME_SECS; ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id, param, ATH11K_KEEPALIVE_MIN_IDLE); if (ret) { ath11k_warn(ar->ab, "failed to set keepalive minimum idle time on vdev %i: %d\n", arvif->vdev_id, ret); return ret; } param = WMI_VDEV_PARAM_AP_KEEPALIVE_MAX_IDLE_INACTIVE_TIME_SECS; ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id, param, ATH11K_KEEPALIVE_MAX_IDLE); if (ret) { ath11k_warn(ar->ab, "failed to set keepalive maximum idle time on vdev %i: %d\n", arvif->vdev_id, ret); return ret; } param = WMI_VDEV_PARAM_AP_KEEPALIVE_MAX_UNRESPONSIVE_TIME_SECS; ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id, param, ATH11K_KEEPALIVE_MAX_UNRESPONSIVE); if (ret) { ath11k_warn(ar->ab, "failed to set keepalive maximum unresponsive time on vdev %i: %d\n", arvif->vdev_id, ret); return ret; } return 0; } void ath11k_mac_peer_cleanup_all(struct ath11k *ar) { struct ath11k_peer *peer, *tmp; struct ath11k_base *ab = ar->ab; lockdep_assert_held(&ar->conf_mutex); spin_lock_bh(&ab->base_lock); list_for_each_entry_safe(peer, tmp, &ab->peers, list) { ath11k_peer_rx_tid_cleanup(ar, peer); list_del(&peer->list); kfree(peer); } spin_unlock_bh(&ab->base_lock); ar->num_peers = 0; ar->num_stations = 0; } static int ath11k_monitor_vdev_up(struct ath11k *ar, int vdev_id) { int ret = 0; ret = ath11k_wmi_vdev_up(ar, vdev_id, 0, ar->mac_addr); if (ret) { ath11k_warn(ar->ab, "failed to put up monitor vdev %i: %d\n", vdev_id, ret); return ret; } ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "mac monitor vdev %i started\n", vdev_id); return 0; } static int ath11k_mac_op_config(struct ieee80211_hw *hw, u32 changed) { struct ath11k *ar = hw->priv; int ret = 0; /* mac80211 requires this op to be present and that's why * there's an empty function, this can be extended when * required. */ mutex_lock(&ar->conf_mutex); /* TODO: Handle configuration changes as appropriate */ mutex_unlock(&ar->conf_mutex); return ret; } static int ath11k_mac_setup_bcn_tmpl(struct ath11k_vif *arvif) { struct ath11k *ar = arvif->ar; struct ath11k_base *ab = ar->ab; struct ieee80211_hw *hw = ar->hw; struct ieee80211_vif *vif = arvif->vif; struct ieee80211_mutable_offsets offs = {}; struct sk_buff *bcn; int ret; if (arvif->vdev_type != WMI_VDEV_TYPE_AP) return 0; bcn = ieee80211_beacon_get_template(hw, vif, &offs); if (!bcn) { ath11k_warn(ab, "failed to get beacon template from mac80211\n"); return -EPERM; } ret = ath11k_wmi_bcn_tmpl(ar, arvif->vdev_id, &offs, bcn); kfree_skb(bcn); if (ret) ath11k_warn(ab, "failed to submit beacon template command: %d\n", ret); return ret; } static void ath11k_control_beaconing(struct ath11k_vif *arvif, struct ieee80211_bss_conf *info) { struct ath11k *ar = arvif->ar; int ret = 0; lockdep_assert_held(&arvif->ar->conf_mutex); if (!info->enable_beacon) { ret = ath11k_wmi_vdev_down(ar, arvif->vdev_id); if (ret) ath11k_warn(ar->ab, "failed to down vdev_id %i: %d\n", arvif->vdev_id, ret); arvif->is_up = false; return; } /* Install the beacon template to the FW */ ret = ath11k_mac_setup_bcn_tmpl(arvif); if (ret) { ath11k_warn(ar->ab, "failed to update bcn tmpl during vdev up: %d\n", ret); return; } arvif->tx_seq_no = 0x1000; arvif->aid = 0; ether_addr_copy(arvif->bssid, info->bssid); ret = ath11k_wmi_vdev_up(arvif->ar, arvif->vdev_id, arvif->aid, arvif->bssid); if (ret) { ath11k_warn(ar->ab, "failed to bring up vdev %d: %i\n", arvif->vdev_id, ret); return; } arvif->is_up = true; ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "mac vdev %d up\n", arvif->vdev_id); } static void ath11k_peer_assoc_h_basic(struct ath11k *ar, struct ieee80211_vif *vif, struct ieee80211_sta *sta, struct peer_assoc_params *arg) { struct ath11k_vif *arvif = (void *)vif->drv_priv; u32 aid; lockdep_assert_held(&ar->conf_mutex); if (vif->type == NL80211_IFTYPE_STATION) aid = vif->bss_conf.aid; else aid = sta->aid; ether_addr_copy(arg->peer_mac, sta->addr); arg->vdev_id = arvif->vdev_id; arg->peer_associd = aid; arg->auth_flag = true; /* TODO: STA WAR in ath10k for listen interval required? */ arg->peer_listen_intval = ar->hw->conf.listen_interval; arg->peer_nss = 1; arg->peer_caps = vif->bss_conf.assoc_capability; } static void ath11k_peer_assoc_h_crypto(struct ath11k *ar, struct ieee80211_vif *vif, struct ieee80211_sta *sta, struct peer_assoc_params *arg) { struct ieee80211_bss_conf *info = &vif->bss_conf; struct cfg80211_chan_def def; struct cfg80211_bss *bss; const u8 *rsnie = NULL; const u8 *wpaie = NULL; lockdep_assert_held(&ar->conf_mutex); if (WARN_ON(ath11k_mac_vif_chan(vif, &def))) return; bss = cfg80211_get_bss(ar->hw->wiphy, def.chan, info->bssid, NULL, 0, IEEE80211_BSS_TYPE_ANY, IEEE80211_PRIVACY_ANY); if (bss) { const struct cfg80211_bss_ies *ies; rcu_read_lock(); rsnie = ieee80211_bss_get_ie(bss, WLAN_EID_RSN); ies = rcu_dereference(bss->ies); wpaie = cfg80211_find_vendor_ie(WLAN_OUI_MICROSOFT, WLAN_OUI_TYPE_MICROSOFT_WPA, ies->data, ies->len); rcu_read_unlock(); cfg80211_put_bss(ar->hw->wiphy, bss); } /* FIXME: base on RSN IE/WPA IE is a correct idea? */ if (rsnie || wpaie) { ath11k_dbg(ar->ab, ATH11K_DBG_WMI, "%s: rsn ie found\n", __func__); arg->need_ptk_4_way = true; } if (wpaie) { ath11k_dbg(ar->ab, ATH11K_DBG_WMI, "%s: wpa ie found\n", __func__); arg->need_gtk_2_way = true; } if (sta->mfp) { /* TODO: Need to check if FW supports PMF? */ arg->is_pmf_enabled = true; } /* TODO: safe_mode_enabled (bypass 4-way handshake) flag req? */ } static void ath11k_peer_assoc_h_rates(struct ath11k *ar, struct ieee80211_vif *vif, struct ieee80211_sta *sta, struct peer_assoc_params *arg) { struct ath11k_vif *arvif = (void *)vif->drv_priv; struct wmi_rate_set_arg *rateset = &arg->peer_legacy_rates; struct cfg80211_chan_def def; const struct ieee80211_supported_band *sband; const struct ieee80211_rate *rates; enum nl80211_band band; u32 ratemask; u8 rate; int i; lockdep_assert_held(&ar->conf_mutex); if (WARN_ON(ath11k_mac_vif_chan(vif, &def))) return; band = def.chan->band; sband = ar->hw->wiphy->bands[band]; ratemask = sta->supp_rates[band]; ratemask &= arvif->bitrate_mask.control[band].legacy; rates = sband->bitrates; rateset->num_rates = 0; for (i = 0; i < 32; i++, ratemask >>= 1, rates++) { if (!(ratemask & 1)) continue; rate = ath11k_mac_bitrate_to_rate(rates->bitrate); rateset->rates[rateset->num_rates] = rate; rateset->num_rates++; } } static bool ath11k_peer_assoc_h_ht_masked(const u8 ht_mcs_mask[IEEE80211_HT_MCS_MASK_LEN]) { int nss; for (nss = 0; nss < IEEE80211_HT_MCS_MASK_LEN; nss++) if (ht_mcs_mask[nss]) return false; return true; } static bool ath11k_peer_assoc_h_vht_masked(const u16 vht_mcs_mask[NL80211_VHT_NSS_MAX]) { int nss; for (nss = 0; nss < NL80211_VHT_NSS_MAX; nss++) if (vht_mcs_mask[nss]) return false; return true; } static void ath11k_peer_assoc_h_ht(struct ath11k *ar, struct ieee80211_vif *vif, struct ieee80211_sta *sta, struct peer_assoc_params *arg) { const struct ieee80211_sta_ht_cap *ht_cap = &sta->ht_cap; struct ath11k_vif *arvif = (void *)vif->drv_priv; struct cfg80211_chan_def def; enum nl80211_band band; const u8 *ht_mcs_mask; int i, n; u8 max_nss; u32 stbc; lockdep_assert_held(&ar->conf_mutex); if (WARN_ON(ath11k_mac_vif_chan(vif, &def))) return; if (!ht_cap->ht_supported) return; band = def.chan->band; ht_mcs_mask = arvif->bitrate_mask.control[band].ht_mcs; if (ath11k_peer_assoc_h_ht_masked(ht_mcs_mask)) return; arg->ht_flag = true; arg->peer_max_mpdu = (1 << (IEEE80211_HT_MAX_AMPDU_FACTOR + ht_cap->ampdu_factor)) - 1; arg->peer_mpdu_density = ath11k_parse_mpdudensity(ht_cap->ampdu_density); arg->peer_ht_caps = ht_cap->cap; arg->peer_rate_caps |= WMI_HOST_RC_HT_FLAG; if (ht_cap->cap & IEEE80211_HT_CAP_LDPC_CODING) arg->ldpc_flag = true; if (sta->bandwidth >= IEEE80211_STA_RX_BW_40) { arg->bw_40 = true; arg->peer_rate_caps |= WMI_HOST_RC_CW40_FLAG; } if (arvif->bitrate_mask.control[band].gi != NL80211_TXRATE_FORCE_LGI) { if (ht_cap->cap & (IEEE80211_HT_CAP_SGI_20 | IEEE80211_HT_CAP_SGI_40)) arg->peer_rate_caps |= WMI_HOST_RC_SGI_FLAG; } if (ht_cap->cap & IEEE80211_HT_CAP_TX_STBC) { arg->peer_rate_caps |= WMI_HOST_RC_TX_STBC_FLAG; arg->stbc_flag = true; } if (ht_cap->cap & IEEE80211_HT_CAP_RX_STBC) { stbc = ht_cap->cap & IEEE80211_HT_CAP_RX_STBC; stbc = stbc >> IEEE80211_HT_CAP_RX_STBC_SHIFT; stbc = stbc << WMI_HOST_RC_RX_STBC_FLAG_S; arg->peer_rate_caps |= stbc; arg->stbc_flag = true; } if (ht_cap->mcs.rx_mask[1] && ht_cap->mcs.rx_mask[2]) arg->peer_rate_caps |= WMI_HOST_RC_TS_FLAG; else if (ht_cap->mcs.rx_mask[1]) arg->peer_rate_caps |= WMI_HOST_RC_DS_FLAG; for (i = 0, n = 0, max_nss = 0; i < IEEE80211_HT_MCS_MASK_LEN * 8; i++) if ((ht_cap->mcs.rx_mask[i / 8] & BIT(i % 8)) && (ht_mcs_mask[i / 8] & BIT(i % 8))) { max_nss = (i / 8) + 1; arg->peer_ht_rates.rates[n++] = i; } /* This is a workaround for HT-enabled STAs which break the spec * and have no HT capabilities RX mask (no HT RX MCS map). * * As per spec, in section 20.3.5 Modulation and coding scheme (MCS), * MCS 0 through 7 are mandatory in 20MHz with 800 ns GI at all STAs. * * Firmware asserts if such situation occurs. */ if (n == 0) { arg->peer_ht_rates.num_rates = 8; for (i = 0; i < arg->peer_ht_rates.num_rates; i++) arg->peer_ht_rates.rates[i] = i; } else { arg->peer_ht_rates.num_rates = n; arg->peer_nss = min(sta->rx_nss, max_nss); } ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "mac ht peer %pM mcs cnt %d nss %d\n", arg->peer_mac, arg->peer_ht_rates.num_rates, arg->peer_nss); } static int ath11k_mac_get_max_vht_mcs_map(u16 mcs_map, int nss) { switch ((mcs_map >> (2 * nss)) & 0x3) { case IEEE80211_VHT_MCS_SUPPORT_0_7: return BIT(8) - 1; case IEEE80211_VHT_MCS_SUPPORT_0_8: return BIT(9) - 1; case IEEE80211_VHT_MCS_SUPPORT_0_9: return BIT(10) - 1; } return 0; } static u16 ath11k_peer_assoc_h_vht_limit(u16 tx_mcs_set, const u16 vht_mcs_limit[NL80211_VHT_NSS_MAX]) { int idx_limit; int nss; u16 mcs_map; u16 mcs; for (nss = 0; nss < NL80211_VHT_NSS_MAX; nss++) { mcs_map = ath11k_mac_get_max_vht_mcs_map(tx_mcs_set, nss) & vht_mcs_limit[nss]; if (mcs_map) idx_limit = fls(mcs_map) - 1; else idx_limit = -1; switch (idx_limit) { case 0: /* fall through */ case 1: /* fall through */ case 2: /* fall through */ case 3: /* fall through */ case 4: /* fall through */ case 5: /* fall through */ case 6: /* fall through */ case 7: mcs = IEEE80211_VHT_MCS_SUPPORT_0_7; break; case 8: mcs = IEEE80211_VHT_MCS_SUPPORT_0_8; break; case 9: mcs = IEEE80211_VHT_MCS_SUPPORT_0_9; break; default: WARN_ON(1); /* fall through */ case -1: mcs = IEEE80211_VHT_MCS_NOT_SUPPORTED; break; } tx_mcs_set &= ~(0x3 << (nss * 2)); tx_mcs_set |= mcs << (nss * 2); } return tx_mcs_set; } static void ath11k_peer_assoc_h_vht(struct ath11k *ar, struct ieee80211_vif *vif, struct ieee80211_sta *sta, struct peer_assoc_params *arg) { const struct ieee80211_sta_vht_cap *vht_cap = &sta->vht_cap; struct ath11k_vif *arvif = (void *)vif->drv_priv; struct cfg80211_chan_def def; enum nl80211_band band; const u16 *vht_mcs_mask; u8 ampdu_factor; u8 max_nss, vht_mcs; int i; if (WARN_ON(ath11k_mac_vif_chan(vif, &def))) return; if (!vht_cap->vht_supported) return; band = def.chan->band; vht_mcs_mask = arvif->bitrate_mask.control[band].vht_mcs; if (ath11k_peer_assoc_h_vht_masked(vht_mcs_mask)) return; arg->vht_flag = true; /* TODO: similar flags required? */ arg->vht_capable = true; if (def.chan->band == NL80211_BAND_2GHZ) arg->vht_ng_flag = true; arg->peer_vht_caps = vht_cap->cap; ampdu_factor = (vht_cap->cap & IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK) >> IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT; /* Workaround: Some Netgear/Linksys 11ac APs set Rx A-MPDU factor to * zero in VHT IE. Using it would result in degraded throughput. * arg->peer_max_mpdu at this point contains HT max_mpdu so keep * it if VHT max_mpdu is smaller. */ arg->peer_max_mpdu = max(arg->peer_max_mpdu, (1U << (IEEE80211_HT_MAX_AMPDU_FACTOR + ampdu_factor)) - 1); if (sta->bandwidth == IEEE80211_STA_RX_BW_80) arg->bw_80 = true; if (sta->bandwidth == IEEE80211_STA_RX_BW_160) arg->bw_160 = true; /* Calculate peer NSS capability from VHT capabilities if STA * supports VHT. */ for (i = 0, max_nss = 0, vht_mcs = 0; i < NL80211_VHT_NSS_MAX; i++) { vht_mcs = __le16_to_cpu(vht_cap->vht_mcs.rx_mcs_map) >> (2 * i) & 3; if (vht_mcs != IEEE80211_VHT_MCS_NOT_SUPPORTED && vht_mcs_mask[i]) max_nss = i + 1; } arg->peer_nss = min(sta->rx_nss, max_nss); arg->rx_max_rate = __le16_to_cpu(vht_cap->vht_mcs.rx_highest); arg->rx_mcs_set = __le16_to_cpu(vht_cap->vht_mcs.rx_mcs_map); arg->tx_max_rate = __le16_to_cpu(vht_cap->vht_mcs.tx_highest); arg->tx_mcs_set = ath11k_peer_assoc_h_vht_limit( __le16_to_cpu(vht_cap->vht_mcs.tx_mcs_map), vht_mcs_mask); /* In IPQ8074 platform, VHT mcs rate 10 and 11 is enabled by default. * VHT mcs rate 10 and 11 is not suppoerted in 11ac standard. * so explicitly disable the VHT MCS rate 10 and 11 in 11ac mode. */ arg->tx_mcs_set &= ~IEEE80211_VHT_MCS_SUPPORT_0_11_MASK; arg->tx_mcs_set |= IEEE80211_DISABLE_VHT_MCS_SUPPORT_0_11; if ((arg->tx_mcs_set & IEEE80211_VHT_MCS_NOT_SUPPORTED) == IEEE80211_VHT_MCS_NOT_SUPPORTED) arg->peer_vht_caps &= ~IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE; /* TODO: Check */ arg->tx_max_mcs_nss = 0xFF; ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "mac vht peer %pM max_mpdu %d flags 0x%x\n", sta->addr, arg->peer_max_mpdu, arg->peer_flags); /* TODO: rxnss_override */ } static void ath11k_peer_assoc_h_he(struct ath11k *ar, struct ieee80211_vif *vif, struct ieee80211_sta *sta, struct peer_assoc_params *arg) { const struct ieee80211_sta_he_cap *he_cap = &sta->he_cap; u16 v; if (!he_cap->has_he) return; arg->he_flag = true; memcpy(&arg->peer_he_cap_macinfo, he_cap->he_cap_elem.mac_cap_info, sizeof(arg->peer_he_cap_macinfo)); memcpy(&arg->peer_he_cap_phyinfo, he_cap->he_cap_elem.phy_cap_info, sizeof(arg->peer_he_cap_phyinfo)); arg->peer_he_ops = vif->bss_conf.he_oper.params; /* the top most byte is used to indicate BSS color info */ arg->peer_he_ops &= 0xffffff; if (he_cap->he_cap_elem.phy_cap_info[6] & IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT) { int bit = 7; int nss, ru; arg->peer_ppet.numss_m1 = he_cap->ppe_thres[0] & IEEE80211_PPE_THRES_NSS_MASK; arg->peer_ppet.ru_bit_mask = (he_cap->ppe_thres[0] & IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK) >> IEEE80211_PPE_THRES_RU_INDEX_BITMASK_POS; for (nss = 0; nss <= arg->peer_ppet.numss_m1; nss++) { for (ru = 0; ru < 4; ru++) { u32 val = 0; int i; if ((arg->peer_ppet.ru_bit_mask & BIT(ru)) == 0) continue; for (i = 0; i < 6; i++) { val >>= 1; val |= ((he_cap->ppe_thres[bit / 8] >> (bit % 8)) & 0x1) << 5; bit++; } arg->peer_ppet.ppet16_ppet8_ru3_ru0[nss] |= val << (ru * 6); } } } if (he_cap->he_cap_elem.mac_cap_info[0] & IEEE80211_HE_MAC_CAP0_TWT_RES) arg->twt_responder = true; if (he_cap->he_cap_elem.mac_cap_info[0] & IEEE80211_HE_MAC_CAP0_TWT_REQ) arg->twt_requester = true; switch (sta->bandwidth) { case IEEE80211_STA_RX_BW_160: if (he_cap->he_cap_elem.phy_cap_info[0] & IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G) { v = le16_to_cpu(he_cap->he_mcs_nss_supp.rx_mcs_80p80); arg->peer_he_rx_mcs_set[WMI_HECAP_TXRX_MCS_NSS_IDX_80_80] = v; v = le16_to_cpu(he_cap->he_mcs_nss_supp.tx_mcs_80p80); arg->peer_he_tx_mcs_set[WMI_HECAP_TXRX_MCS_NSS_IDX_80_80] = v; arg->peer_he_mcs_count++; } v = le16_to_cpu(he_cap->he_mcs_nss_supp.rx_mcs_160); arg->peer_he_rx_mcs_set[WMI_HECAP_TXRX_MCS_NSS_IDX_160] = v; v = le16_to_cpu(he_cap->he_mcs_nss_supp.tx_mcs_160); arg->peer_he_tx_mcs_set[WMI_HECAP_TXRX_MCS_NSS_IDX_160] = v; arg->peer_he_mcs_count++; /* fall through */ default: v = le16_to_cpu(he_cap->he_mcs_nss_supp.rx_mcs_80); arg->peer_he_rx_mcs_set[WMI_HECAP_TXRX_MCS_NSS_IDX_80] = v; v = le16_to_cpu(he_cap->he_mcs_nss_supp.tx_mcs_80); arg->peer_he_tx_mcs_set[WMI_HECAP_TXRX_MCS_NSS_IDX_80] = v; arg->peer_he_mcs_count++; break; } } static void ath11k_peer_assoc_h_smps(struct ieee80211_sta *sta, struct peer_assoc_params *arg) { const struct ieee80211_sta_ht_cap *ht_cap = &sta->ht_cap; int smps; if (!ht_cap->ht_supported) return; smps = ht_cap->cap & IEEE80211_HT_CAP_SM_PS; smps >>= IEEE80211_HT_CAP_SM_PS_SHIFT; switch (smps) { case WLAN_HT_CAP_SM_PS_STATIC: arg->static_mimops_flag = true; break; case WLAN_HT_CAP_SM_PS_DYNAMIC: arg->dynamic_mimops_flag = true; break; case WLAN_HT_CAP_SM_PS_DISABLED: arg->spatial_mux_flag = true; break; default: break; } } static void ath11k_peer_assoc_h_qos(struct ath11k *ar, struct ieee80211_vif *vif, struct ieee80211_sta *sta, struct peer_assoc_params *arg) { struct ath11k_vif *arvif = (void *)vif->drv_priv; switch (arvif->vdev_type) { case WMI_VDEV_TYPE_AP: if (sta->wme) { /* TODO: Check WME vs QoS */ arg->is_wme_set = true; arg->qos_flag = true; } if (sta->wme && sta->uapsd_queues) { /* TODO: Check WME vs QoS */ arg->is_wme_set = true; arg->apsd_flag = true; arg->peer_rate_caps |= WMI_HOST_RC_UAPSD_FLAG; } break; case WMI_VDEV_TYPE_STA: if (sta->wme) { arg->is_wme_set = true; arg->qos_flag = true; } break; default: break; } ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "mac peer %pM qos %d\n", sta->addr, arg->qos_flag); } static int ath11k_peer_assoc_qos_ap(struct ath11k *ar, struct ath11k_vif *arvif, struct ieee80211_sta *sta) { struct ap_ps_params params; u32 max_sp; u32 uapsd; int ret; lockdep_assert_held(&ar->conf_mutex); params.vdev_id = arvif->vdev_id; ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "mac uapsd_queues 0x%x max_sp %d\n", sta->uapsd_queues, sta->max_sp); uapsd = 0; if (sta->uapsd_queues & IEEE80211_WMM_IE_STA_QOSINFO_AC_VO) uapsd |= WMI_AP_PS_UAPSD_AC3_DELIVERY_EN | WMI_AP_PS_UAPSD_AC3_TRIGGER_EN; if (sta->uapsd_queues & IEEE80211_WMM_IE_STA_QOSINFO_AC_VI) uapsd |= WMI_AP_PS_UAPSD_AC2_DELIVERY_EN | WMI_AP_PS_UAPSD_AC2_TRIGGER_EN; if (sta->uapsd_queues & IEEE80211_WMM_IE_STA_QOSINFO_AC_BK) uapsd |= WMI_AP_PS_UAPSD_AC1_DELIVERY_EN | WMI_AP_PS_UAPSD_AC1_TRIGGER_EN; if (sta->uapsd_queues & IEEE80211_WMM_IE_STA_QOSINFO_AC_BE) uapsd |= WMI_AP_PS_UAPSD_AC0_DELIVERY_EN | WMI_AP_PS_UAPSD_AC0_TRIGGER_EN; max_sp = 0; if (sta->max_sp < MAX_WMI_AP_PS_PEER_PARAM_MAX_SP) max_sp = sta->max_sp; params.param = WMI_AP_PS_PEER_PARAM_UAPSD; params.value = uapsd; ret = ath11k_wmi_send_set_ap_ps_param_cmd(ar, sta->addr, ¶ms); if (ret) goto err; params.param = WMI_AP_PS_PEER_PARAM_MAX_SP; params.value = max_sp; ret = ath11k_wmi_send_set_ap_ps_param_cmd(ar, sta->addr, ¶ms); if (ret) goto err; /* TODO revisit during testing */ params.param = WMI_AP_PS_PEER_PARAM_SIFS_RESP_FRMTYPE; params.value = DISABLE_SIFS_RESPONSE_TRIGGER; ret = ath11k_wmi_send_set_ap_ps_param_cmd(ar, sta->addr, ¶ms); if (ret) goto err; params.param = WMI_AP_PS_PEER_PARAM_SIFS_RESP_UAPSD; params.value = DISABLE_SIFS_RESPONSE_TRIGGER; ret = ath11k_wmi_send_set_ap_ps_param_cmd(ar, sta->addr, ¶ms); if (ret) goto err; return 0; err: ath11k_warn(ar->ab, "failed to set ap ps peer param %d for vdev %i: %d\n", params.param, arvif->vdev_id, ret); return ret; } static bool ath11k_mac_sta_has_ofdm_only(struct ieee80211_sta *sta) { return sta->supp_rates[NL80211_BAND_2GHZ] >> ATH11K_MAC_FIRST_OFDM_RATE_IDX; } static enum wmi_phy_mode ath11k_mac_get_phymode_vht(struct ath11k *ar, struct ieee80211_sta *sta) { if (sta->bandwidth == IEEE80211_STA_RX_BW_160) { switch (sta->vht_cap.cap & IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_MASK) { case IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ: return MODE_11AC_VHT160; case IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ: return MODE_11AC_VHT80_80; default: /* not sure if this is a valid case? */ return MODE_11AC_VHT160; } } if (sta->bandwidth == IEEE80211_STA_RX_BW_80) return MODE_11AC_VHT80; if (sta->bandwidth == IEEE80211_STA_RX_BW_40) return MODE_11AC_VHT40; if (sta->bandwidth == IEEE80211_STA_RX_BW_20) return MODE_11AC_VHT20; return MODE_UNKNOWN; } static enum wmi_phy_mode ath11k_mac_get_phymode_he(struct ath11k *ar, struct ieee80211_sta *sta) { if (sta->bandwidth == IEEE80211_STA_RX_BW_160) { if (sta->he_cap.he_cap_elem.phy_cap_info[0] & IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G) return MODE_11AX_HE160; else if (sta->he_cap.he_cap_elem.phy_cap_info[0] & IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G) return MODE_11AX_HE80_80; /* not sure if this is a valid case? */ return MODE_11AX_HE160; } if (sta->bandwidth == IEEE80211_STA_RX_BW_80) return MODE_11AX_HE80; if (sta->bandwidth == IEEE80211_STA_RX_BW_40) return MODE_11AX_HE40; if (sta->bandwidth == IEEE80211_STA_RX_BW_20) return MODE_11AX_HE20; return MODE_UNKNOWN; } static void ath11k_peer_assoc_h_phymode(struct ath11k *ar, struct ieee80211_vif *vif, struct ieee80211_sta *sta, struct peer_assoc_params *arg) { struct ath11k_vif *arvif = (void *)vif->drv_priv; struct cfg80211_chan_def def; enum nl80211_band band; const u8 *ht_mcs_mask; const u16 *vht_mcs_mask; enum wmi_phy_mode phymode = MODE_UNKNOWN; if (WARN_ON(ath11k_mac_vif_chan(vif, &def))) return; band = def.chan->band; ht_mcs_mask = arvif->bitrate_mask.control[band].ht_mcs; vht_mcs_mask = arvif->bitrate_mask.control[band].vht_mcs; switch (band) { case NL80211_BAND_2GHZ: if (sta->he_cap.has_he) { if (sta->bandwidth == IEEE80211_STA_RX_BW_80) phymode = MODE_11AX_HE80_2G; else if (sta->bandwidth == IEEE80211_STA_RX_BW_40) phymode = MODE_11AX_HE40_2G; else phymode = MODE_11AX_HE20_2G; } else if (sta->vht_cap.vht_supported && !ath11k_peer_assoc_h_vht_masked(vht_mcs_mask)) { if (sta->bandwidth == IEEE80211_STA_RX_BW_40) phymode = MODE_11AC_VHT40; else phymode = MODE_11AC_VHT20; } else if (sta->ht_cap.ht_supported && !ath11k_peer_assoc_h_ht_masked(ht_mcs_mask)) { if (sta->bandwidth == IEEE80211_STA_RX_BW_40) phymode = MODE_11NG_HT40; else phymode = MODE_11NG_HT20; } else if (ath11k_mac_sta_has_ofdm_only(sta)) { phymode = MODE_11G; } else { phymode = MODE_11B; } break; case NL80211_BAND_5GHZ: /* Check HE first */ if (sta->he_cap.has_he) { phymode = ath11k_mac_get_phymode_he(ar, sta); } else if (sta->vht_cap.vht_supported && !ath11k_peer_assoc_h_vht_masked(vht_mcs_mask)) { phymode = ath11k_mac_get_phymode_vht(ar, sta); } else if (sta->ht_cap.ht_supported && !ath11k_peer_assoc_h_ht_masked(ht_mcs_mask)) { if (sta->bandwidth >= IEEE80211_STA_RX_BW_40) phymode = MODE_11NA_HT40; else phymode = MODE_11NA_HT20; } else { phymode = MODE_11A; } break; default: break; } ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "mac peer %pM phymode %s\n", sta->addr, ath11k_wmi_phymode_str(phymode)); arg->peer_phymode = phymode; WARN_ON(phymode == MODE_UNKNOWN); } static void ath11k_peer_assoc_prepare(struct ath11k *ar, struct ieee80211_vif *vif, struct ieee80211_sta *sta, struct peer_assoc_params *arg, bool reassoc) { lockdep_assert_held(&ar->conf_mutex); memset(arg, 0, sizeof(*arg)); reinit_completion(&ar->peer_assoc_done); arg->peer_new_assoc = !reassoc; ath11k_peer_assoc_h_basic(ar, vif, sta, arg); ath11k_peer_assoc_h_crypto(ar, vif, sta, arg); ath11k_peer_assoc_h_rates(ar, vif, sta, arg); ath11k_peer_assoc_h_ht(ar, vif, sta, arg); ath11k_peer_assoc_h_vht(ar, vif, sta, arg); ath11k_peer_assoc_h_he(ar, vif, sta, arg); ath11k_peer_assoc_h_qos(ar, vif, sta, arg); ath11k_peer_assoc_h_phymode(ar, vif, sta, arg); ath11k_peer_assoc_h_smps(sta, arg); /* TODO: amsdu_disable req? */ } static int ath11k_setup_peer_smps(struct ath11k *ar, struct ath11k_vif *arvif, const u8 *addr, const struct ieee80211_sta_ht_cap *ht_cap) { int smps; if (!ht_cap->ht_supported) return 0; smps = ht_cap->cap & IEEE80211_HT_CAP_SM_PS; smps >>= IEEE80211_HT_CAP_SM_PS_SHIFT; if (smps >= ARRAY_SIZE(ath11k_smps_map)) return -EINVAL; return ath11k_wmi_set_peer_param(ar, addr, arvif->vdev_id, WMI_PEER_MIMO_PS_STATE, ath11k_smps_map[smps]); } static void ath11k_bss_assoc(struct ieee80211_hw *hw, struct ieee80211_vif *vif, struct ieee80211_bss_conf *bss_conf) { struct ath11k *ar = hw->priv; struct ath11k_vif *arvif = (void *)vif->drv_priv; struct peer_assoc_params peer_arg; struct ieee80211_sta *ap_sta; int ret; lockdep_assert_held(&ar->conf_mutex); ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "mac vdev %i assoc bssid %pM aid %d\n", arvif->vdev_id, arvif->bssid, arvif->aid); rcu_read_lock(); ap_sta = ieee80211_find_sta(vif, bss_conf->bssid); if (!ap_sta) { ath11k_warn(ar->ab, "failed to find station entry for bss %pM vdev %i\n", bss_conf->bssid, arvif->vdev_id); rcu_read_unlock(); return; } ath11k_peer_assoc_prepare(ar, vif, ap_sta, &peer_arg, false); rcu_read_unlock(); ret = ath11k_wmi_send_peer_assoc_cmd(ar, &peer_arg); if (ret) { ath11k_warn(ar->ab, "failed to run peer assoc for %pM vdev %i: %d\n", bss_conf->bssid, arvif->vdev_id, ret); return; } if (!wait_for_completion_timeout(&ar->peer_assoc_done, 1 * HZ)) { ath11k_warn(ar->ab, "failed to get peer assoc conf event for %pM vdev %i\n", bss_conf->bssid, arvif->vdev_id); return; } ret = ath11k_setup_peer_smps(ar, arvif, bss_conf->bssid, &ap_sta->ht_cap); if (ret) { ath11k_warn(ar->ab, "failed to setup peer SMPS for vdev %d: %d\n", arvif->vdev_id, ret); return; } WARN_ON(arvif->is_up); arvif->aid = bss_conf->aid; ether_addr_copy(arvif->bssid, bss_conf->bssid); ret = ath11k_wmi_vdev_up(ar, arvif->vdev_id, arvif->aid, arvif->bssid); if (ret) { ath11k_warn(ar->ab, "failed to set vdev %d up: %d\n", arvif->vdev_id, ret); return; } arvif->is_up = true; ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "mac vdev %d up (associated) bssid %pM aid %d\n", arvif->vdev_id, bss_conf->bssid, bss_conf->aid); /* Authorize BSS Peer */ ret = ath11k_wmi_set_peer_param(ar, arvif->bssid, arvif->vdev_id, WMI_PEER_AUTHORIZE, 1); if (ret) ath11k_warn(ar->ab, "Unable to authorize BSS peer: %d\n", ret); ret = ath11k_wmi_send_obss_spr_cmd(ar, arvif->vdev_id, &bss_conf->he_obss_pd); if (ret) ath11k_warn(ar->ab, "failed to set vdev %i OBSS PD parameters: %d\n", arvif->vdev_id, ret); } static void ath11k_bss_disassoc(struct ieee80211_hw *hw, struct ieee80211_vif *vif) { struct ath11k *ar = hw->priv; struct ath11k_vif *arvif = (void *)vif->drv_priv; int ret; lockdep_assert_held(&ar->conf_mutex); ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "mac vdev %i disassoc bssid %pM\n", arvif->vdev_id, arvif->bssid); ret = ath11k_wmi_vdev_down(ar, arvif->vdev_id); if (ret) ath11k_warn(ar->ab, "failed to down vdev %i: %d\n", arvif->vdev_id, ret); arvif->is_up = false; /* TODO: cancel connection_loss_work */ } static u32 ath11k_mac_get_rate_hw_value(int bitrate) { u32 preamble; u16 hw_value; int rate; size_t i; if (ath11k_mac_bitrate_is_cck(bitrate)) preamble = WMI_RATE_PREAMBLE_CCK; else preamble = WMI_RATE_PREAMBLE_OFDM; for (i = 0; i < ARRAY_SIZE(ath11k_legacy_rates); i++) { if (ath11k_legacy_rates[i].bitrate != bitrate) continue; hw_value = ath11k_legacy_rates[i].hw_value; rate = ATH11K_HW_RATE_CODE(hw_value, 0, preamble); return rate; } return -EINVAL; } static void ath11k_recalculate_mgmt_rate(struct ath11k *ar, struct ieee80211_vif *vif, struct cfg80211_chan_def *def) { struct ath11k_vif *arvif = (void *)vif->drv_priv; const struct ieee80211_supported_band *sband; u8 basic_rate_idx; int hw_rate_code; u32 vdev_param; u16 bitrate; int ret; lockdep_assert_held(&ar->conf_mutex); sband = ar->hw->wiphy->bands[def->chan->band]; basic_rate_idx = ffs(vif->bss_conf.basic_rates) - 1; bitrate = sband->bitrates[basic_rate_idx].bitrate; hw_rate_code = ath11k_mac_get_rate_hw_value(bitrate); if (hw_rate_code < 0) { ath11k_warn(ar->ab, "bitrate not supported %d\n", bitrate); return; } vdev_param = WMI_VDEV_PARAM_MGMT_RATE; ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id, vdev_param, hw_rate_code); if (ret) ath11k_warn(ar->ab, "failed to set mgmt tx rate %d\n", ret); vdev_param = WMI_VDEV_PARAM_BEACON_RATE; ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id, vdev_param, hw_rate_code); if (ret) ath11k_warn(ar->ab, "failed to set beacon tx rate %d\n", ret); } static void ath11k_mac_op_bss_info_changed(struct ieee80211_hw *hw, struct ieee80211_vif *vif, struct ieee80211_bss_conf *info, u32 changed) { struct ath11k *ar = hw->priv; struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif); struct cfg80211_chan_def def; u32 param_id, param_value; enum nl80211_band band; u32 vdev_param; int mcast_rate; u32 preamble; u16 hw_value; u16 bitrate; int ret = 0; u8 rateidx; u32 rate; mutex_lock(&ar->conf_mutex); if (changed & BSS_CHANGED_BEACON_INT) { arvif->beacon_interval = info->beacon_int; param_id = WMI_VDEV_PARAM_BEACON_INTERVAL; ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id, param_id, arvif->beacon_interval); if (ret) ath11k_warn(ar->ab, "Failed to set beacon interval for VDEV: %d\n", arvif->vdev_id); else ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "Beacon interval: %d set for VDEV: %d\n", arvif->beacon_interval, arvif->vdev_id); } if (changed & BSS_CHANGED_BEACON) { param_id = WMI_PDEV_PARAM_BEACON_TX_MODE; param_value = WMI_BEACON_STAGGERED_MODE; ret = ath11k_wmi_pdev_set_param(ar, param_id, param_value, ar->pdev->pdev_id); if (ret) ath11k_warn(ar->ab, "Failed to set beacon mode for VDEV: %d\n", arvif->vdev_id); else ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "Set staggered beacon mode for VDEV: %d\n", arvif->vdev_id); ret = ath11k_mac_setup_bcn_tmpl(arvif); if (ret) ath11k_warn(ar->ab, "failed to update bcn template: %d\n", ret); if (vif->bss_conf.he_support) { ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id, WMI_VDEV_PARAM_BA_MODE, WMI_BA_MODE_BUFFER_SIZE_256); if (ret) ath11k_warn(ar->ab, "failed to set BA BUFFER SIZE 256 for vdev: %d\n", arvif->vdev_id); else ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "Set BA BUFFER SIZE 256 for VDEV: %d\n", arvif->vdev_id); } } if (changed & (BSS_CHANGED_BEACON_INFO | BSS_CHANGED_BEACON)) { arvif->dtim_period = info->dtim_period; param_id = WMI_VDEV_PARAM_DTIM_PERIOD; ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id, param_id, arvif->dtim_period); if (ret) ath11k_warn(ar->ab, "Failed to set dtim period for VDEV %d: %i\n", arvif->vdev_id, ret); else ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "DTIM period: %d set for VDEV: %d\n", arvif->dtim_period, arvif->vdev_id); } if (changed & BSS_CHANGED_SSID && vif->type == NL80211_IFTYPE_AP) { arvif->u.ap.ssid_len = info->ssid_len; if (info->ssid_len) memcpy(arvif->u.ap.ssid, info->ssid, info->ssid_len); arvif->u.ap.hidden_ssid = info->hidden_ssid; } if (changed & BSS_CHANGED_BSSID && !is_zero_ether_addr(info->bssid)) ether_addr_copy(arvif->bssid, info->bssid); if (changed & BSS_CHANGED_BEACON_ENABLED) ath11k_control_beaconing(arvif, info); if (changed & BSS_CHANGED_ERP_CTS_PROT) { u32 cts_prot; cts_prot = !!(info->use_cts_prot); param_id = WMI_VDEV_PARAM_PROTECTION_MODE; if (arvif->is_started) { ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id, param_id, cts_prot); if (ret) ath11k_warn(ar->ab, "Failed to set CTS prot for VDEV: %d\n", arvif->vdev_id); else ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "Set CTS prot: %d for VDEV: %d\n", cts_prot, arvif->vdev_id); } else { ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "defer protection mode setup, vdev is not ready yet\n"); } } if (changed & BSS_CHANGED_ERP_SLOT) { u32 slottime; if (info->use_short_slot) slottime = WMI_VDEV_SLOT_TIME_SHORT; /* 9us */ else slottime = WMI_VDEV_SLOT_TIME_LONG; /* 20us */ param_id = WMI_VDEV_PARAM_SLOT_TIME; ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id, param_id, slottime); if (ret) ath11k_warn(ar->ab, "Failed to set erp slot for VDEV: %d\n", arvif->vdev_id); else ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "Set slottime: %d for VDEV: %d\n", slottime, arvif->vdev_id); } if (changed & BSS_CHANGED_ERP_PREAMBLE) { u32 preamble; if (info->use_short_preamble) preamble = WMI_VDEV_PREAMBLE_SHORT; else preamble = WMI_VDEV_PREAMBLE_LONG; param_id = WMI_VDEV_PARAM_PREAMBLE; ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id, param_id, preamble); if (ret) ath11k_warn(ar->ab, "Failed to set preamble for VDEV: %d\n", arvif->vdev_id); else ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "Set preamble: %d for VDEV: %d\n", preamble, arvif->vdev_id); } if (changed & BSS_CHANGED_ASSOC) { if (info->assoc) ath11k_bss_assoc(hw, vif, info); else ath11k_bss_disassoc(hw, vif); } if (changed & BSS_CHANGED_TXPOWER) { ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "mac vdev_id %i txpower %d\n", arvif->vdev_id, info->txpower); arvif->txpower = info->txpower; ath11k_mac_txpower_recalc(ar); } if (changed & BSS_CHANGED_MCAST_RATE && !ath11k_mac_vif_chan(arvif->vif, &def)) { band = def.chan->band; mcast_rate = vif->bss_conf.mcast_rate[band]; if (mcast_rate > 0) rateidx = mcast_rate - 1; else rateidx = ffs(vif->bss_conf.basic_rates) - 1; if (ar->pdev->cap.supported_bands & WMI_HOST_WLAN_5G_CAP) rateidx += ATH11K_MAC_FIRST_OFDM_RATE_IDX; bitrate = ath11k_legacy_rates[rateidx].bitrate; hw_value = ath11k_legacy_rates[rateidx].hw_value; if (ath11k_mac_bitrate_is_cck(bitrate)) preamble = WMI_RATE_PREAMBLE_CCK; else preamble = WMI_RATE_PREAMBLE_OFDM; rate = ATH11K_HW_RATE_CODE(hw_value, 0, preamble); ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "mac vdev %d mcast_rate %x\n", arvif->vdev_id, rate); vdev_param = WMI_VDEV_PARAM_MCAST_DATA_RATE; ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id, vdev_param, rate); if (ret) ath11k_warn(ar->ab, "failed to set mcast rate on vdev %i: %d\n", arvif->vdev_id, ret); vdev_param = WMI_VDEV_PARAM_BCAST_DATA_RATE; ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id, vdev_param, rate); if (ret) ath11k_warn(ar->ab, "failed to set bcast rate on vdev %i: %d\n", arvif->vdev_id, ret); } if (changed & BSS_CHANGED_BASIC_RATES && !ath11k_mac_vif_chan(arvif->vif, &def)) ath11k_recalculate_mgmt_rate(ar, vif, &def); if (changed & BSS_CHANGED_TWT) { if (info->twt_requester || info->twt_responder) ath11k_wmi_send_twt_enable_cmd(ar, ar->pdev->pdev_id); else ath11k_wmi_send_twt_disable_cmd(ar, ar->pdev->pdev_id); } if (changed & BSS_CHANGED_HE_OBSS_PD) ath11k_wmi_send_obss_spr_cmd(ar, arvif->vdev_id, &info->he_obss_pd); if (changed & BSS_CHANGED_HE_BSS_COLOR) { if (vif->type == NL80211_IFTYPE_AP) { ret = ath11k_wmi_send_obss_color_collision_cfg_cmd( ar, arvif->vdev_id, info->he_bss_color.color, ATH11K_BSS_COLOR_COLLISION_DETECTION_AP_PERIOD_MS, !info->he_bss_color.disabled); if (ret) ath11k_warn(ar->ab, "failed to set bss color collision on vdev %i: %d\n", arvif->vdev_id, ret); } else if (vif->type == NL80211_IFTYPE_STATION) { ret = ath11k_wmi_send_bss_color_change_enable_cmd(ar, arvif->vdev_id, 1); if (ret) ath11k_warn(ar->ab, "failed to enable bss color change on vdev %i: %d\n", arvif->vdev_id, ret); ret = ath11k_wmi_send_obss_color_collision_cfg_cmd( ar, arvif->vdev_id, 0, ATH11K_BSS_COLOR_COLLISION_DETECTION_STA_PERIOD_MS, 1); if (ret) ath11k_warn(ar->ab, "failed to set bss color collision on vdev %i: %d\n", arvif->vdev_id, ret); } } mutex_unlock(&ar->conf_mutex); } void __ath11k_mac_scan_finish(struct ath11k *ar) { lockdep_assert_held(&ar->data_lock); switch (ar->scan.state) { case ATH11K_SCAN_IDLE: break; case ATH11K_SCAN_RUNNING: case ATH11K_SCAN_ABORTING: if (!ar->scan.is_roc) { struct cfg80211_scan_info info = { .aborted = (ar->scan.state == ATH11K_SCAN_ABORTING), }; ieee80211_scan_completed(ar->hw, &info); } else if (ar->scan.roc_notify) { ieee80211_remain_on_channel_expired(ar->hw); } /* fall through */ case ATH11K_SCAN_STARTING: ar->scan.state = ATH11K_SCAN_IDLE; ar->scan_channel = NULL; ar->scan.roc_freq = 0; cancel_delayed_work(&ar->scan.timeout); complete(&ar->scan.completed); break; } } void ath11k_mac_scan_finish(struct ath11k *ar) { spin_lock_bh(&ar->data_lock); __ath11k_mac_scan_finish(ar); spin_unlock_bh(&ar->data_lock); } static int ath11k_scan_stop(struct ath11k *ar) { struct scan_cancel_param arg = { .req_type = WLAN_SCAN_CANCEL_SINGLE, .scan_id = ATH11K_SCAN_ID, }; int ret; lockdep_assert_held(&ar->conf_mutex); /* TODO: Fill other STOP Params */ arg.pdev_id = ar->pdev->pdev_id; ret = ath11k_wmi_send_scan_stop_cmd(ar, &arg); if (ret) { ath11k_warn(ar->ab, "failed to stop wmi scan: %d\n", ret); goto out; } ret = wait_for_completion_timeout(&ar->scan.completed, 3 * HZ); if (ret == 0) { ath11k_warn(ar->ab, "failed to receive scan abort comple: timed out\n"); ret = -ETIMEDOUT; } else if (ret > 0) { ret = 0; } out: /* Scan state should be updated upon scan completion but in case * firmware fails to deliver the event (for whatever reason) it is * desired to clean up scan state anyway. Firmware may have just * dropped the scan completion event delivery due to transport pipe * being overflown with data and/or it can recover on its own before * next scan request is submitted. */ spin_lock_bh(&ar->data_lock); if (ar->scan.state != ATH11K_SCAN_IDLE) __ath11k_mac_scan_finish(ar); spin_unlock_bh(&ar->data_lock); return ret; } static void ath11k_scan_abort(struct ath11k *ar) { int ret; lockdep_assert_held(&ar->conf_mutex); spin_lock_bh(&ar->data_lock); switch (ar->scan.state) { case ATH11K_SCAN_IDLE: /* This can happen if timeout worker kicked in and called * abortion while scan completion was being processed. */ break; case ATH11K_SCAN_STARTING: case ATH11K_SCAN_ABORTING: ath11k_warn(ar->ab, "refusing scan abortion due to invalid scan state: %d\n", ar->scan.state); break; case ATH11K_SCAN_RUNNING: ar->scan.state = ATH11K_SCAN_ABORTING; spin_unlock_bh(&ar->data_lock); ret = ath11k_scan_stop(ar); if (ret) ath11k_warn(ar->ab, "failed to abort scan: %d\n", ret); spin_lock_bh(&ar->data_lock); break; } spin_unlock_bh(&ar->data_lock); } static void ath11k_scan_timeout_work(struct work_struct *work) { struct ath11k *ar = container_of(work, struct ath11k, scan.timeout.work); mutex_lock(&ar->conf_mutex); ath11k_scan_abort(ar); mutex_unlock(&ar->conf_mutex); } static int ath11k_start_scan(struct ath11k *ar, struct scan_req_params *arg) { int ret; lockdep_assert_held(&ar->conf_mutex); ret = ath11k_wmi_send_scan_start_cmd(ar, arg); if (ret) return ret; ret = wait_for_completion_timeout(&ar->scan.started, 1 * HZ); if (ret == 0) { ret = ath11k_scan_stop(ar); if (ret) ath11k_warn(ar->ab, "failed to stop scan: %d\n", ret); return -ETIMEDOUT; } /* If we failed to start the scan, return error code at * this point. This is probably due to some issue in the * firmware, but no need to wedge the driver due to that... */ spin_lock_bh(&ar->data_lock); if (ar->scan.state == ATH11K_SCAN_IDLE) { spin_unlock_bh(&ar->data_lock); return -EINVAL; } spin_unlock_bh(&ar->data_lock); return 0; } static int ath11k_mac_op_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif, struct ieee80211_scan_request *hw_req) { struct ath11k *ar = hw->priv; struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif); struct cfg80211_scan_request *req = &hw_req->req; struct scan_req_params arg; int ret = 0; int i; mutex_lock(&ar->conf_mutex); spin_lock_bh(&ar->data_lock); switch (ar->scan.state) { case ATH11K_SCAN_IDLE: reinit_completion(&ar->scan.started); reinit_completion(&ar->scan.completed); ar->scan.state = ATH11K_SCAN_STARTING; ar->scan.is_roc = false; ar->scan.vdev_id = arvif->vdev_id; ret = 0; break; case ATH11K_SCAN_STARTING: case ATH11K_SCAN_RUNNING: case ATH11K_SCAN_ABORTING: ret = -EBUSY; break; } spin_unlock_bh(&ar->data_lock); if (ret) goto exit; memset(&arg, 0, sizeof(arg)); ath11k_wmi_start_scan_init(ar, &arg); arg.vdev_id = arvif->vdev_id; arg.scan_id = ATH11K_SCAN_ID; if (req->ie_len) { arg.extraie.len = req->ie_len; arg.extraie.ptr = kzalloc(req->ie_len, GFP_KERNEL); memcpy(arg.extraie.ptr, req->ie, req->ie_len); } if (req->n_ssids) { arg.num_ssids = req->n_ssids; for (i = 0; i < arg.num_ssids; i++) { arg.ssid[i].length = req->ssids[i].ssid_len; memcpy(&arg.ssid[i].ssid, req->ssids[i].ssid, req->ssids[i].ssid_len); } } else { arg.scan_flags |= WMI_SCAN_FLAG_PASSIVE; } if (req->n_channels) { arg.num_chan = req->n_channels; for (i = 0; i < arg.num_chan; i++) arg.chan_list[i] = req->channels[i]->center_freq; } ret = ath11k_start_scan(ar, &arg); if (ret) { ath11k_warn(ar->ab, "failed to start hw scan: %d\n", ret); spin_lock_bh(&ar->data_lock); ar->scan.state = ATH11K_SCAN_IDLE; spin_unlock_bh(&ar->data_lock); } /* Add a 200ms margin to account for event/command processing */ ieee80211_queue_delayed_work(ar->hw, &ar->scan.timeout, msecs_to_jiffies(arg.max_scan_time + ATH11K_MAC_SCAN_TIMEOUT_MSECS)); exit: if (req->ie_len) kfree(arg.extraie.ptr); mutex_unlock(&ar->conf_mutex); return ret; } static void ath11k_mac_op_cancel_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif) { struct ath11k *ar = hw->priv; mutex_lock(&ar->conf_mutex); ath11k_scan_abort(ar); mutex_unlock(&ar->conf_mutex); cancel_delayed_work_sync(&ar->scan.timeout); } static int ath11k_install_key(struct ath11k_vif *arvif, struct ieee80211_key_conf *key, enum set_key_cmd cmd, const u8 *macaddr, u32 flags) { int ret; struct ath11k *ar = arvif->ar; struct wmi_vdev_install_key_arg arg = { .vdev_id = arvif->vdev_id, .key_idx = key->keyidx, .key_len = key->keylen, .key_data = key->key, .key_flags = flags, .macaddr = macaddr, }; lockdep_assert_held(&arvif->ar->conf_mutex); reinit_completion(&ar->install_key_done); if (cmd == DISABLE_KEY) { /* TODO: Check if FW expects value other than NONE for del */ /* arg.key_cipher = WMI_CIPHER_NONE; */ arg.key_len = 0; arg.key_data = NULL; goto install; } switch (key->cipher) { case WLAN_CIPHER_SUITE_CCMP: arg.key_cipher = WMI_CIPHER_AES_CCM; /* TODO: Re-check if flag is valid */ key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV_MGMT; break; case WLAN_CIPHER_SUITE_TKIP: arg.key_cipher = WMI_CIPHER_TKIP; arg.key_txmic_len = 8; arg.key_rxmic_len = 8; break; case WLAN_CIPHER_SUITE_CCMP_256: arg.key_cipher = WMI_CIPHER_AES_CCM; break; case WLAN_CIPHER_SUITE_GCMP: case WLAN_CIPHER_SUITE_GCMP_256: arg.key_cipher = WMI_CIPHER_AES_GCM; break; default: ath11k_warn(ar->ab, "cipher %d is not supported\n", key->cipher); return -EOPNOTSUPP; } install: ret = ath11k_wmi_vdev_install_key(arvif->ar, &arg); if (ret) return ret; if (!wait_for_completion_timeout(&ar->install_key_done, 1 * HZ)) return -ETIMEDOUT; return ar->install_key_status ? -EINVAL : 0; } static int ath11k_clear_peer_keys(struct ath11k_vif *arvif, const u8 *addr) { struct ath11k *ar = arvif->ar; struct ath11k_base *ab = ar->ab; struct ath11k_peer *peer; int first_errno = 0; int ret; int i; u32 flags = 0; lockdep_assert_held(&ar->conf_mutex); spin_lock_bh(&ab->base_lock); peer = ath11k_peer_find(ab, arvif->vdev_id, addr); spin_unlock_bh(&ab->base_lock); if (!peer) return -ENOENT; for (i = 0; i < ARRAY_SIZE(peer->keys); i++) { if (!peer->keys[i]) continue; /* key flags are not required to delete the key */ ret = ath11k_install_key(arvif, peer->keys[i], DISABLE_KEY, addr, flags); if (ret < 0 && first_errno == 0) first_errno = ret; if (ret < 0) ath11k_warn(ab, "failed to remove peer key %d: %d\n", i, ret); spin_lock_bh(&ab->base_lock); peer->keys[i] = NULL; spin_unlock_bh(&ab->base_lock); } return first_errno; } static int ath11k_mac_op_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, struct ieee80211_vif *vif, struct ieee80211_sta *sta, struct ieee80211_key_conf *key) { struct ath11k *ar = hw->priv; struct ath11k_base *ab = ar->ab; struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif); struct ath11k_peer *peer; struct ath11k_sta *arsta; const u8 *peer_addr; int ret = 0; u32 flags = 0; /* BIP needs to be done in software */ if (key->cipher == WLAN_CIPHER_SUITE_AES_CMAC || key->cipher == WLAN_CIPHER_SUITE_BIP_GMAC_128 || key->cipher == WLAN_CIPHER_SUITE_BIP_GMAC_256 || key->cipher == WLAN_CIPHER_SUITE_BIP_CMAC_256) return 1; if (key->keyidx > WMI_MAX_KEY_INDEX) return -ENOSPC; mutex_lock(&ar->conf_mutex); if (sta) peer_addr = sta->addr; else if (arvif->vdev_type == WMI_VDEV_TYPE_STA) peer_addr = vif->bss_conf.bssid; else peer_addr = vif->addr; key->hw_key_idx = key->keyidx; /* the peer should not disappear in mid-way (unless FW goes awry) since * we already hold conf_mutex. we just make sure its there now. */ spin_lock_bh(&ab->base_lock); peer = ath11k_peer_find(ab, arvif->vdev_id, peer_addr); spin_unlock_bh(&ab->base_lock); if (!peer) { if (cmd == SET_KEY) { ath11k_warn(ab, "cannot install key for non-existent peer %pM\n", peer_addr); ret = -EOPNOTSUPP; goto exit; } else { /* if the peer doesn't exist there is no key to disable * anymore */ goto exit; } } if (key->flags & IEEE80211_KEY_FLAG_PAIRWISE) flags |= WMI_KEY_PAIRWISE; else flags |= WMI_KEY_GROUP; ret = ath11k_install_key(arvif, key, cmd, peer_addr, flags); if (ret) { ath11k_warn(ab, "ath11k_install_key failed (%d)\n", ret); goto exit; } ret = ath11k_dp_peer_rx_pn_replay_config(arvif, peer_addr, cmd, key); if (ret) { ath11k_warn(ab, "failed to offload PN replay detection %d\n", ret); goto exit; } spin_lock_bh(&ab->base_lock); peer = ath11k_peer_find(ab, arvif->vdev_id, peer_addr); if (peer && cmd == SET_KEY) { peer->keys[key->keyidx] = key; if (key->flags & IEEE80211_KEY_FLAG_PAIRWISE) { peer->ucast_keyidx = key->keyidx; peer->sec_type = ath11k_dp_tx_get_encrypt_type(key->cipher); } else { peer->mcast_keyidx = key->keyidx; peer->sec_type_grp = ath11k_dp_tx_get_encrypt_type(key->cipher); } } else if (peer && cmd == DISABLE_KEY) { peer->keys[key->keyidx] = NULL; if (key->flags & IEEE80211_KEY_FLAG_PAIRWISE) peer->ucast_keyidx = 0; else peer->mcast_keyidx = 0; } else if (!peer) /* impossible unless FW goes crazy */ ath11k_warn(ab, "peer %pM disappeared!\n", peer_addr); if (sta) { arsta = (struct ath11k_sta *)sta->drv_priv; switch (key->cipher) { case WLAN_CIPHER_SUITE_TKIP: case WLAN_CIPHER_SUITE_CCMP: case WLAN_CIPHER_SUITE_CCMP_256: case WLAN_CIPHER_SUITE_GCMP: case WLAN_CIPHER_SUITE_GCMP_256: if (cmd == SET_KEY) arsta->pn_type = HAL_PN_TYPE_WPA; else arsta->pn_type = HAL_PN_TYPE_NONE; break; default: arsta->pn_type = HAL_PN_TYPE_NONE; break; } } spin_unlock_bh(&ab->base_lock); exit: mutex_unlock(&ar->conf_mutex); return ret; } static int ath11k_mac_bitrate_mask_num_vht_rates(struct ath11k *ar, enum nl80211_band band, const struct cfg80211_bitrate_mask *mask) { int num_rates = 0; int i; for (i = 0; i < ARRAY_SIZE(mask->control[band].vht_mcs); i++) num_rates += hweight16(mask->control[band].vht_mcs[i]); return num_rates; } static int ath11k_mac_set_peer_vht_fixed_rate(struct ath11k_vif *arvif, struct ieee80211_sta *sta, const struct cfg80211_bitrate_mask *mask, enum nl80211_band band) { struct ath11k *ar = arvif->ar; u8 vht_rate, nss; u32 rate_code; int ret, i; lockdep_assert_held(&ar->conf_mutex); nss = 0; for (i = 0; i < ARRAY_SIZE(mask->control[band].vht_mcs); i++) { if (hweight16(mask->control[band].vht_mcs[i]) == 1) { nss = i + 1; vht_rate = ffs(mask->control[band].vht_mcs[i]) - 1; } } if (!nss) { ath11k_warn(ar->ab, "No single VHT Fixed rate found to set for %pM", sta->addr); return -EINVAL; } ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "Setting Fixed VHT Rate for peer %pM. Device will not switch to any other selected rates", sta->addr); rate_code = ATH11K_HW_RATE_CODE(vht_rate, nss - 1, WMI_RATE_PREAMBLE_VHT); ret = ath11k_wmi_set_peer_param(ar, sta->addr, arvif->vdev_id, WMI_PEER_PARAM_FIXED_RATE, rate_code); if (ret) ath11k_warn(ar->ab, "failed to update STA %pM Fixed Rate %d: %d\n", sta->addr, rate_code, ret); return ret; } static int ath11k_station_assoc(struct ath11k *ar, struct ieee80211_vif *vif, struct ieee80211_sta *sta, bool reassoc) { struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif); struct peer_assoc_params peer_arg; int ret = 0; struct cfg80211_chan_def def; enum nl80211_band band; struct cfg80211_bitrate_mask *mask; u8 num_vht_rates; lockdep_assert_held(&ar->conf_mutex); if (WARN_ON(ath11k_mac_vif_chan(vif, &def))) return -EPERM; band = def.chan->band; mask = &arvif->bitrate_mask; ath11k_peer_assoc_prepare(ar, vif, sta, &peer_arg, reassoc); ret = ath11k_wmi_send_peer_assoc_cmd(ar, &peer_arg); if (ret) { ath11k_warn(ar->ab, "failed to run peer assoc for STA %pM vdev %i: %d\n", sta->addr, arvif->vdev_id, ret); return ret; } if (!wait_for_completion_timeout(&ar->peer_assoc_done, 1 * HZ)) { ath11k_warn(ar->ab, "failed to get peer assoc conf event for %pM vdev %i\n", sta->addr, arvif->vdev_id); return -ETIMEDOUT; } num_vht_rates = ath11k_mac_bitrate_mask_num_vht_rates(ar, band, mask); /* If single VHT rate is configured (by set_bitrate_mask()), * peer_assoc will disable VHT. This is now enabled by a peer specific * fixed param. * Note that all other rates and NSS will be disabled for this peer. */ if (sta->vht_cap.vht_supported && num_vht_rates == 1) { ret = ath11k_mac_set_peer_vht_fixed_rate(arvif, sta, mask, band); if (ret) return ret; } /* Re-assoc is run only to update supported rates for given station. It * doesn't make much sense to reconfigure the peer completely. */ if (reassoc) return 0; ret = ath11k_setup_peer_smps(ar, arvif, sta->addr, &sta->ht_cap); if (ret) { ath11k_warn(ar->ab, "failed to setup peer SMPS for vdev %d: %d\n", arvif->vdev_id, ret); return ret; } if (!sta->wme) { arvif->num_legacy_stations++; ret = ath11k_recalc_rtscts_prot(arvif); if (ret) return ret; } if (sta->wme && sta->uapsd_queues) { ret = ath11k_peer_assoc_qos_ap(ar, arvif, sta); if (ret) { ath11k_warn(ar->ab, "failed to set qos params for STA %pM for vdev %i: %d\n", sta->addr, arvif->vdev_id, ret); return ret; } } return 0; } static int ath11k_station_disassoc(struct ath11k *ar, struct ieee80211_vif *vif, struct ieee80211_sta *sta) { struct ath11k_vif *arvif = (void *)vif->drv_priv; int ret = 0; lockdep_assert_held(&ar->conf_mutex); if (!sta->wme) { arvif->num_legacy_stations--; ret = ath11k_recalc_rtscts_prot(arvif); if (ret) return ret; } ret = ath11k_clear_peer_keys(arvif, sta->addr); if (ret) { ath11k_warn(ar->ab, "failed to clear all peer keys for vdev %i: %d\n", arvif->vdev_id, ret); return ret; } return 0; } static void ath11k_sta_rc_update_wk(struct work_struct *wk) { struct ath11k *ar; struct ath11k_vif *arvif; struct ath11k_sta *arsta; struct ieee80211_sta *sta; struct cfg80211_chan_def def; enum nl80211_band band; const u8 *ht_mcs_mask; const u16 *vht_mcs_mask; u32 changed, bw, nss, smps; int err, num_vht_rates; const struct cfg80211_bitrate_mask *mask; struct peer_assoc_params peer_arg; arsta = container_of(wk, struct ath11k_sta, update_wk); sta = container_of((void *)arsta, struct ieee80211_sta, drv_priv); arvif = arsta->arvif; ar = arvif->ar; if (WARN_ON(ath11k_mac_vif_chan(arvif->vif, &def))) return; band = def.chan->band; ht_mcs_mask = arvif->bitrate_mask.control[band].ht_mcs; vht_mcs_mask = arvif->bitrate_mask.control[band].vht_mcs; spin_lock_bh(&ar->data_lock); changed = arsta->changed; arsta->changed = 0; bw = arsta->bw; nss = arsta->nss; smps = arsta->smps; spin_unlock_bh(&ar->data_lock); mutex_lock(&ar->conf_mutex); nss = max_t(u32, 1, nss); nss = min(nss, max(ath11k_mac_max_ht_nss(ht_mcs_mask), ath11k_mac_max_vht_nss(vht_mcs_mask))); if (changed & IEEE80211_RC_BW_CHANGED) { err = ath11k_wmi_set_peer_param(ar, sta->addr, arvif->vdev_id, WMI_PEER_CHWIDTH, bw); if (err) ath11k_warn(ar->ab, "failed to update STA %pM peer bw %d: %d\n", sta->addr, bw, err); } if (changed & IEEE80211_RC_NSS_CHANGED) { ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "mac update sta %pM nss %d\n", sta->addr, nss); err = ath11k_wmi_set_peer_param(ar, sta->addr, arvif->vdev_id, WMI_PEER_NSS, nss); if (err) ath11k_warn(ar->ab, "failed to update STA %pM nss %d: %d\n", sta->addr, nss, err); } if (changed & IEEE80211_RC_SMPS_CHANGED) { ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "mac update sta %pM smps %d\n", sta->addr, smps); err = ath11k_wmi_set_peer_param(ar, sta->addr, arvif->vdev_id, WMI_PEER_MIMO_PS_STATE, smps); if (err) ath11k_warn(ar->ab, "failed to update STA %pM smps %d: %d\n", sta->addr, smps, err); } if (changed & IEEE80211_RC_SUPP_RATES_CHANGED) { mask = &arvif->bitrate_mask; num_vht_rates = ath11k_mac_bitrate_mask_num_vht_rates(ar, band, mask); /* Peer_assoc_prepare will reject vht rates in * bitrate_mask if its not available in range format and * sets vht tx_rateset as unsupported. So multiple VHT MCS * setting(eg. MCS 4,5,6) per peer is not supported here. * But, Single rate in VHT mask can be set as per-peer * fixed rate. But even if any HT rates are configured in * the bitrate mask, device will not switch to those rates * when per-peer Fixed rate is set. * TODO: Check RATEMASK_CMDID to support auto rates selection * across HT/VHT and for multiple VHT MCS support. */ if (sta->vht_cap.vht_supported && num_vht_rates == 1) { ath11k_mac_set_peer_vht_fixed_rate(arvif, sta, mask, band); } else { /* If the peer is non-VHT or no fixed VHT rate * is provided in the new bitrate mask we set the * other rates using peer_assoc command. */ ath11k_peer_assoc_prepare(ar, arvif->vif, sta, &peer_arg, true); err = ath11k_wmi_send_peer_assoc_cmd(ar, &peer_arg); if (err) ath11k_warn(ar->ab, "failed to run peer assoc for STA %pM vdev %i: %d\n", sta->addr, arvif->vdev_id, err); if (!wait_for_completion_timeout(&ar->peer_assoc_done, 1 * HZ)) ath11k_warn(ar->ab, "failed to get peer assoc conf event for %pM vdev %i\n", sta->addr, arvif->vdev_id); } } mutex_unlock(&ar->conf_mutex); } static int ath11k_mac_inc_num_stations(struct ath11k_vif *arvif, struct ieee80211_sta *sta) { struct ath11k *ar = arvif->ar; lockdep_assert_held(&ar->conf_mutex); if (arvif->vdev_type == WMI_VDEV_TYPE_STA && !sta->tdls) return 0; if (ar->num_stations >= ar->max_num_stations) return -ENOBUFS; ar->num_stations++; return 0; } static void ath11k_mac_dec_num_stations(struct ath11k_vif *arvif, struct ieee80211_sta *sta) { struct ath11k *ar = arvif->ar; lockdep_assert_held(&ar->conf_mutex); if (arvif->vdev_type == WMI_VDEV_TYPE_STA && !sta->tdls) return; ar->num_stations--; } static int ath11k_mac_station_add(struct ath11k *ar, struct ieee80211_vif *vif, struct ieee80211_sta *sta) { struct ath11k_base *ab = ar->ab; struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif); struct ath11k_sta *arsta = (struct ath11k_sta *)sta->drv_priv; struct peer_create_params peer_param; int ret; lockdep_assert_held(&ar->conf_mutex); ret = ath11k_mac_inc_num_stations(arvif, sta); if (ret) { ath11k_warn(ab, "refusing to associate station: too many connected already (%d)\n", ar->max_num_stations); goto exit; } arsta->rx_stats = kzalloc(sizeof(*arsta->rx_stats), GFP_KERNEL); if (!arsta->rx_stats) { ret = -ENOMEM; goto dec_num_station; } peer_param.vdev_id = arvif->vdev_id; peer_param.peer_addr = sta->addr; peer_param.peer_type = WMI_PEER_TYPE_DEFAULT; ret = ath11k_peer_create(ar, arvif, sta, &peer_param); if (ret) { ath11k_warn(ab, "Failed to add peer: %pM for VDEV: %d\n", sta->addr, arvif->vdev_id); goto free_rx_stats; } ath11k_dbg(ab, ATH11K_DBG_MAC, "Added peer: %pM for VDEV: %d\n", sta->addr, arvif->vdev_id); if (ath11k_debug_is_extd_tx_stats_enabled(ar)) { arsta->tx_stats = kzalloc(sizeof(*arsta->tx_stats), GFP_KERNEL); if (!arsta->tx_stats) { ret = -ENOMEM; goto free_peer; } } if (ieee80211_vif_is_mesh(vif)) { ret = ath11k_wmi_set_peer_param(ar, sta->addr, arvif->vdev_id, WMI_PEER_USE_4ADDR, 1); if (ret) { ath11k_warn(ab, "failed to STA %pM 4addr capability: %d\n", sta->addr, ret); goto free_tx_stats; } } ret = ath11k_dp_peer_setup(ar, arvif->vdev_id, sta->addr); if (ret) { ath11k_warn(ab, "failed to setup dp for peer %pM on vdev %i (%d)\n", sta->addr, arvif->vdev_id, ret); goto free_tx_stats; } return 0; free_tx_stats: kfree(arsta->tx_stats); arsta->tx_stats = NULL; free_peer: ath11k_peer_delete(ar, arvif->vdev_id, sta->addr); free_rx_stats: kfree(arsta->rx_stats); arsta->rx_stats = NULL; dec_num_station: ath11k_mac_dec_num_stations(arvif, sta); exit: return ret; } static int ath11k_mac_op_sta_state(struct ieee80211_hw *hw, struct ieee80211_vif *vif, struct ieee80211_sta *sta, enum ieee80211_sta_state old_state, enum ieee80211_sta_state new_state) { struct ath11k *ar = hw->priv; struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif); struct ath11k_sta *arsta = (struct ath11k_sta *)sta->drv_priv; struct ath11k_peer *peer; int ret = 0; /* cancel must be done outside the mutex to avoid deadlock */ if ((old_state == IEEE80211_STA_NONE && new_state == IEEE80211_STA_NOTEXIST)) cancel_work_sync(&arsta->update_wk); mutex_lock(&ar->conf_mutex); if (old_state == IEEE80211_STA_NOTEXIST && new_state == IEEE80211_STA_NONE) { memset(arsta, 0, sizeof(*arsta)); arsta->arvif = arvif; INIT_WORK(&arsta->update_wk, ath11k_sta_rc_update_wk); ret = ath11k_mac_station_add(ar, vif, sta); if (ret) ath11k_warn(ar->ab, "Failed to add station: %pM for VDEV: %d\n", sta->addr, arvif->vdev_id); } else if ((old_state == IEEE80211_STA_NONE && new_state == IEEE80211_STA_NOTEXIST)) { ath11k_dp_peer_cleanup(ar, arvif->vdev_id, sta->addr); ret = ath11k_peer_delete(ar, arvif->vdev_id, sta->addr); if (ret) ath11k_warn(ar->ab, "Failed to delete peer: %pM for VDEV: %d\n", sta->addr, arvif->vdev_id); else ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "Removed peer: %pM for VDEV: %d\n", sta->addr, arvif->vdev_id); ath11k_mac_dec_num_stations(arvif, sta); spin_lock_bh(&ar->ab->base_lock); peer = ath11k_peer_find(ar->ab, arvif->vdev_id, sta->addr); if (peer && peer->sta == sta) { ath11k_warn(ar->ab, "Found peer entry %pM n vdev %i after it was supposedly removed\n", vif->addr, arvif->vdev_id); peer->sta = NULL; list_del(&peer->list); kfree(peer); ar->num_peers--; } spin_unlock_bh(&ar->ab->base_lock); kfree(arsta->tx_stats); arsta->tx_stats = NULL; kfree(arsta->rx_stats); arsta->rx_stats = NULL; } else if (old_state == IEEE80211_STA_AUTH && new_state == IEEE80211_STA_ASSOC && (vif->type == NL80211_IFTYPE_AP || vif->type == NL80211_IFTYPE_MESH_POINT || vif->type == NL80211_IFTYPE_ADHOC)) { ret = ath11k_station_assoc(ar, vif, sta, false); if (ret) ath11k_warn(ar->ab, "Failed to associate station: %pM\n", sta->addr); else ath11k_info(ar->ab, "Station %pM moved to assoc state\n", sta->addr); } else if (old_state == IEEE80211_STA_ASSOC && new_state == IEEE80211_STA_AUTH && (vif->type == NL80211_IFTYPE_AP || vif->type == NL80211_IFTYPE_MESH_POINT || vif->type == NL80211_IFTYPE_ADHOC)) { ret = ath11k_station_disassoc(ar, vif, sta); if (ret) ath11k_warn(ar->ab, "Failed to disassociate station: %pM\n", sta->addr); else ath11k_info(ar->ab, "Station %pM moved to disassociated state\n", sta->addr); } mutex_unlock(&ar->conf_mutex); return ret; } static int ath11k_mac_op_sta_set_txpwr(struct ieee80211_hw *hw, struct ieee80211_vif *vif, struct ieee80211_sta *sta) { struct ath11k *ar = hw->priv; struct ath11k_vif *arvif = (void *)vif->drv_priv; int ret = 0; s16 txpwr; if (sta->txpwr.type == NL80211_TX_POWER_AUTOMATIC) { txpwr = 0; } else { txpwr = sta->txpwr.power; if (!txpwr) return -EINVAL; } if (txpwr > ATH11K_TX_POWER_MAX_VAL || txpwr < ATH11K_TX_POWER_MIN_VAL) return -EINVAL; mutex_lock(&ar->conf_mutex); ret = ath11k_wmi_set_peer_param(ar, sta->addr, arvif->vdev_id, WMI_PEER_USE_FIXED_PWR, txpwr); if (ret) { ath11k_warn(ar->ab, "failed to set tx power for station ret: %d\n", ret); goto out; } out: mutex_unlock(&ar->conf_mutex); return ret; } static void ath11k_mac_op_sta_rc_update(struct ieee80211_hw *hw, struct ieee80211_vif *vif, struct ieee80211_sta *sta, u32 changed) { struct ath11k *ar = hw->priv; struct ath11k_sta *arsta = (struct ath11k_sta *)sta->drv_priv; struct ath11k_vif *arvif = (void *)vif->drv_priv; struct ath11k_peer *peer; u32 bw, smps; spin_lock_bh(&ar->ab->base_lock); peer = ath11k_peer_find(ar->ab, arvif->vdev_id, sta->addr); if (!peer) { spin_unlock_bh(&ar->ab->base_lock); ath11k_warn(ar->ab, "mac sta rc update failed to find peer %pM on vdev %i\n", sta->addr, arvif->vdev_id); return; } spin_unlock_bh(&ar->ab->base_lock); ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "mac sta rc update for %pM changed %08x bw %d nss %d smps %d\n", sta->addr, changed, sta->bandwidth, sta->rx_nss, sta->smps_mode); spin_lock_bh(&ar->data_lock); if (changed & IEEE80211_RC_BW_CHANGED) { bw = WMI_PEER_CHWIDTH_20MHZ; switch (sta->bandwidth) { case IEEE80211_STA_RX_BW_20: bw = WMI_PEER_CHWIDTH_20MHZ; break; case IEEE80211_STA_RX_BW_40: bw = WMI_PEER_CHWIDTH_40MHZ; break; case IEEE80211_STA_RX_BW_80: bw = WMI_PEER_CHWIDTH_80MHZ; break; case IEEE80211_STA_RX_BW_160: bw = WMI_PEER_CHWIDTH_160MHZ; break; default: ath11k_warn(ar->ab, "Invalid bandwidth %d in rc update for %pM\n", sta->bandwidth, sta->addr); bw = WMI_PEER_CHWIDTH_20MHZ; break; } arsta->bw = bw; } if (changed & IEEE80211_RC_NSS_CHANGED) arsta->nss = sta->rx_nss; if (changed & IEEE80211_RC_SMPS_CHANGED) { smps = WMI_PEER_SMPS_PS_NONE; switch (sta->smps_mode) { case IEEE80211_SMPS_AUTOMATIC: case IEEE80211_SMPS_OFF: smps = WMI_PEER_SMPS_PS_NONE; break; case IEEE80211_SMPS_STATIC: smps = WMI_PEER_SMPS_STATIC; break; case IEEE80211_SMPS_DYNAMIC: smps = WMI_PEER_SMPS_DYNAMIC; break; default: ath11k_warn(ar->ab, "Invalid smps %d in sta rc update for %pM\n", sta->smps_mode, sta->addr); smps = WMI_PEER_SMPS_PS_NONE; break; } arsta->smps = smps; } arsta->changed |= changed; spin_unlock_bh(&ar->data_lock); ieee80211_queue_work(hw, &arsta->update_wk); } static int ath11k_conf_tx_uapsd(struct ath11k *ar, struct ieee80211_vif *vif, u16 ac, bool enable) { struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif); u32 value = 0; int ret = 0; if (arvif->vdev_type != WMI_VDEV_TYPE_STA) return 0; switch (ac) { case IEEE80211_AC_VO: value = WMI_STA_PS_UAPSD_AC3_DELIVERY_EN | WMI_STA_PS_UAPSD_AC3_TRIGGER_EN; break; case IEEE80211_AC_VI: value = WMI_STA_PS_UAPSD_AC2_DELIVERY_EN | WMI_STA_PS_UAPSD_AC2_TRIGGER_EN; break; case IEEE80211_AC_BE: value = WMI_STA_PS_UAPSD_AC1_DELIVERY_EN | WMI_STA_PS_UAPSD_AC1_TRIGGER_EN; break; case IEEE80211_AC_BK: value = WMI_STA_PS_UAPSD_AC0_DELIVERY_EN | WMI_STA_PS_UAPSD_AC0_TRIGGER_EN; break; } if (enable) arvif->u.sta.uapsd |= value; else arvif->u.sta.uapsd &= ~value; ret = ath11k_wmi_set_sta_ps_param(ar, arvif->vdev_id, WMI_STA_PS_PARAM_UAPSD, arvif->u.sta.uapsd); if (ret) { ath11k_warn(ar->ab, "could not set uapsd params %d\n", ret); goto exit; } if (arvif->u.sta.uapsd) value = WMI_STA_PS_RX_WAKE_POLICY_POLL_UAPSD; else value = WMI_STA_PS_RX_WAKE_POLICY_WAKE; ret = ath11k_wmi_set_sta_ps_param(ar, arvif->vdev_id, WMI_STA_PS_PARAM_RX_WAKE_POLICY, value); if (ret) ath11k_warn(ar->ab, "could not set rx wake param %d\n", ret); exit: return ret; } static int ath11k_mac_op_conf_tx(struct ieee80211_hw *hw, struct ieee80211_vif *vif, u16 ac, const struct ieee80211_tx_queue_params *params) { struct ath11k *ar = hw->priv; struct ath11k_vif *arvif = (void *)vif->drv_priv; struct wmi_wmm_params_arg *p = NULL; int ret; mutex_lock(&ar->conf_mutex); switch (ac) { case IEEE80211_AC_VO: p = &arvif->wmm_params.ac_vo; break; case IEEE80211_AC_VI: p = &arvif->wmm_params.ac_vi; break; case IEEE80211_AC_BE: p = &arvif->wmm_params.ac_be; break; case IEEE80211_AC_BK: p = &arvif->wmm_params.ac_bk; break; } if (WARN_ON(!p)) { ret = -EINVAL; goto exit; } p->cwmin = params->cw_min; p->cwmax = params->cw_max; p->aifs = params->aifs; p->txop = params->txop; ret = ath11k_wmi_send_wmm_update_cmd_tlv(ar, arvif->vdev_id, &arvif->wmm_params); if (ret) { ath11k_warn(ar->ab, "failed to set wmm params: %d\n", ret); goto exit; } ret = ath11k_conf_tx_uapsd(ar, vif, ac, params->uapsd); if (ret) ath11k_warn(ar->ab, "failed to set sta uapsd: %d\n", ret); exit: mutex_unlock(&ar->conf_mutex); return ret; } static struct ieee80211_sta_ht_cap ath11k_create_ht_cap(struct ath11k *ar, u32 ar_ht_cap, u32 rate_cap_rx_chainmask) { int i; struct ieee80211_sta_ht_cap ht_cap = {0}; u32 ar_vht_cap = ar->pdev->cap.vht_cap; if (!(ar_ht_cap & WMI_HT_CAP_ENABLED)) return ht_cap; ht_cap.ht_supported = 1; ht_cap.ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K; ht_cap.ampdu_density = IEEE80211_HT_MPDU_DENSITY_NONE; ht_cap.cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40; ht_cap.cap |= IEEE80211_HT_CAP_DSSSCCK40; ht_cap.cap |= WLAN_HT_CAP_SM_PS_STATIC << IEEE80211_HT_CAP_SM_PS_SHIFT; if (ar_ht_cap & WMI_HT_CAP_HT20_SGI) ht_cap.cap |= IEEE80211_HT_CAP_SGI_20; if (ar_ht_cap & WMI_HT_CAP_HT40_SGI) ht_cap.cap |= IEEE80211_HT_CAP_SGI_40; if (ar_ht_cap & WMI_HT_CAP_DYNAMIC_SMPS) { u32 smps; smps = WLAN_HT_CAP_SM_PS_DYNAMIC; smps <<= IEEE80211_HT_CAP_SM_PS_SHIFT; ht_cap.cap |= smps; } if (ar_ht_cap & WMI_HT_CAP_TX_STBC) ht_cap.cap |= IEEE80211_HT_CAP_TX_STBC; if (ar_ht_cap & WMI_HT_CAP_RX_STBC) { u32 stbc; stbc = ar_ht_cap; stbc &= WMI_HT_CAP_RX_STBC; stbc >>= WMI_HT_CAP_RX_STBC_MASK_SHIFT; stbc <<= IEEE80211_HT_CAP_RX_STBC_SHIFT; stbc &= IEEE80211_HT_CAP_RX_STBC; ht_cap.cap |= stbc; } if (ar_ht_cap & WMI_HT_CAP_RX_LDPC) ht_cap.cap |= IEEE80211_HT_CAP_LDPC_CODING; if (ar_ht_cap & WMI_HT_CAP_L_SIG_TXOP_PROT) ht_cap.cap |= IEEE80211_HT_CAP_LSIG_TXOP_PROT; if (ar_vht_cap & WMI_VHT_CAP_MAX_MPDU_LEN_MASK) ht_cap.cap |= IEEE80211_HT_CAP_MAX_AMSDU; for (i = 0; i < ar->num_rx_chains; i++) { if (rate_cap_rx_chainmask & BIT(i)) ht_cap.mcs.rx_mask[i] = 0xFF; } ht_cap.mcs.tx_params |= IEEE80211_HT_MCS_TX_DEFINED; return ht_cap; } static int ath11k_mac_set_txbf_conf(struct ath11k_vif *arvif) { u32 value = 0; struct ath11k *ar = arvif->ar; int nsts; int sound_dim; u32 vht_cap = ar->pdev->cap.vht_cap; u32 vdev_param = WMI_VDEV_PARAM_TXBF; if (vht_cap & (IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE)) { nsts = vht_cap & IEEE80211_VHT_CAP_BEAMFORMEE_STS_MASK; nsts >>= IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT; value |= SM(nsts, WMI_TXBF_STS_CAP_OFFSET); } if (vht_cap & (IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE)) { sound_dim = vht_cap & IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK; sound_dim >>= IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT; if (sound_dim > (ar->num_tx_chains - 1)) sound_dim = ar->num_tx_chains - 1; value |= SM(sound_dim, WMI_BF_SOUND_DIM_OFFSET); } if (!value) return 0; if (vht_cap & IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE) { value |= WMI_VDEV_PARAM_TXBF_SU_TX_BFER; if ((vht_cap & IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE) && arvif->vdev_type == WMI_VDEV_TYPE_AP) value |= WMI_VDEV_PARAM_TXBF_MU_TX_BFER; } /* TODO: SUBFEE not validated in HK, disable here until validated? */ if (vht_cap & IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE) { value |= WMI_VDEV_PARAM_TXBF_SU_TX_BFEE; if ((vht_cap & IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE) && arvif->vdev_type == WMI_VDEV_TYPE_STA) value |= WMI_VDEV_PARAM_TXBF_MU_TX_BFEE; } return ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id, vdev_param, value); } static void ath11k_set_vht_txbf_cap(struct ath11k *ar, u32 *vht_cap) { bool subfer, subfee; int sound_dim = 0; subfer = !!(*vht_cap & (IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE)); subfee = !!(*vht_cap & (IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE)); if (ar->num_tx_chains < 2) { *vht_cap &= ~(IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE); subfer = false; } /* If SU Beaformer is not set, then disable MU Beamformer Capability */ if (!subfer) *vht_cap &= ~(IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE); /* If SU Beaformee is not set, then disable MU Beamformee Capability */ if (!subfee) *vht_cap &= ~(IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE); sound_dim = (*vht_cap & IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK); sound_dim >>= IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT; *vht_cap &= ~IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK; /* TODO: Need to check invalid STS and Sound_dim values set by FW? */ /* Enable Sounding Dimension Field only if SU BF is enabled */ if (subfer) { if (sound_dim > (ar->num_tx_chains - 1)) sound_dim = ar->num_tx_chains - 1; sound_dim <<= IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT; sound_dim &= IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK; *vht_cap |= sound_dim; } /* Use the STS advertised by FW unless SU Beamformee is not supported*/ if (!subfee) *vht_cap &= ~(IEEE80211_VHT_CAP_BEAMFORMEE_STS_MASK); } static struct ieee80211_sta_vht_cap ath11k_create_vht_cap(struct ath11k *ar, u32 rate_cap_tx_chainmask, u32 rate_cap_rx_chainmask) { struct ieee80211_sta_vht_cap vht_cap = {0}; u16 txmcs_map, rxmcs_map; int i; vht_cap.vht_supported = 1; vht_cap.cap = ar->pdev->cap.vht_cap; ath11k_set_vht_txbf_cap(ar, &vht_cap.cap); /* TODO: Enable back VHT160 mode once association issues are fixed */ /* Disabling VHT160 and VHT80+80 modes */ vht_cap.cap &= ~IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_MASK; vht_cap.cap &= ~IEEE80211_VHT_CAP_SHORT_GI_160; rxmcs_map = 0; txmcs_map = 0; for (i = 0; i < 8; i++) { if (i < ar->num_tx_chains && rate_cap_tx_chainmask & BIT(i)) txmcs_map |= IEEE80211_VHT_MCS_SUPPORT_0_9 << (i * 2); else txmcs_map |= IEEE80211_VHT_MCS_NOT_SUPPORTED << (i * 2); if (i < ar->num_rx_chains && rate_cap_rx_chainmask & BIT(i)) rxmcs_map |= IEEE80211_VHT_MCS_SUPPORT_0_9 << (i * 2); else rxmcs_map |= IEEE80211_VHT_MCS_NOT_SUPPORTED << (i * 2); } if (rate_cap_tx_chainmask <= 1) vht_cap.cap &= ~IEEE80211_VHT_CAP_TXSTBC; vht_cap.vht_mcs.rx_mcs_map = cpu_to_le16(rxmcs_map); vht_cap.vht_mcs.tx_mcs_map = cpu_to_le16(txmcs_map); return vht_cap; } static void ath11k_mac_setup_ht_vht_cap(struct ath11k *ar, struct ath11k_pdev_cap *cap, u32 *ht_cap_info) { struct ieee80211_supported_band *band; u32 rate_cap_tx_chainmask; u32 rate_cap_rx_chainmask; u32 ht_cap; rate_cap_tx_chainmask = ar->cfg_tx_chainmask >> cap->tx_chain_mask_shift; rate_cap_rx_chainmask = ar->cfg_rx_chainmask >> cap->rx_chain_mask_shift; if (cap->supported_bands & WMI_HOST_WLAN_2G_CAP) { band = &ar->mac.sbands[NL80211_BAND_2GHZ]; ht_cap = cap->band[NL80211_BAND_2GHZ].ht_cap_info; if (ht_cap_info) *ht_cap_info = ht_cap; band->ht_cap = ath11k_create_ht_cap(ar, ht_cap, rate_cap_rx_chainmask); } if (cap->supported_bands & WMI_HOST_WLAN_5G_CAP) { band = &ar->mac.sbands[NL80211_BAND_5GHZ]; ht_cap = cap->band[NL80211_BAND_5GHZ].ht_cap_info; if (ht_cap_info) *ht_cap_info = ht_cap; band->ht_cap = ath11k_create_ht_cap(ar, ht_cap, rate_cap_rx_chainmask); band->vht_cap = ath11k_create_vht_cap(ar, rate_cap_tx_chainmask, rate_cap_rx_chainmask); } } static int ath11k_check_chain_mask(struct ath11k *ar, u32 ant, bool is_tx_ant) { /* TODO: Check the request chainmask against the supported * chainmask table which is advertised in extented_service_ready event */ return 0; } static void ath11k_gen_ppe_thresh(struct ath11k_ppe_threshold *fw_ppet, u8 *he_ppet) { int nss, ru; u8 bit = 7; he_ppet[0] = fw_ppet->numss_m1 & IEEE80211_PPE_THRES_NSS_MASK; he_ppet[0] |= (fw_ppet->ru_bit_mask << IEEE80211_PPE_THRES_RU_INDEX_BITMASK_POS) & IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK; for (nss = 0; nss <= fw_ppet->numss_m1; nss++) { for (ru = 0; ru < 4; ru++) { u8 val; int i; if ((fw_ppet->ru_bit_mask & BIT(ru)) == 0) continue; val = (fw_ppet->ppet16_ppet8_ru3_ru0[nss] >> (ru * 6)) & 0x3f; val = ((val >> 3) & 0x7) | ((val & 0x7) << 3); for (i = 5; i >= 0; i--) { he_ppet[bit / 8] |= ((val >> i) & 0x1) << ((bit % 8)); bit++; } } } } static void ath11k_mac_filter_he_cap_mesh(struct ieee80211_he_cap_elem *he_cap_elem) { u8 m; m = IEEE80211_HE_MAC_CAP0_TWT_RES | IEEE80211_HE_MAC_CAP0_TWT_REQ; he_cap_elem->mac_cap_info[0] &= ~m; m = IEEE80211_HE_MAC_CAP2_TRS | IEEE80211_HE_MAC_CAP2_BCAST_TWT | IEEE80211_HE_MAC_CAP2_MU_CASCADING; he_cap_elem->mac_cap_info[2] &= ~m; m = IEEE80211_HE_MAC_CAP3_FLEX_TWT_SCHED | IEEE80211_HE_MAC_CAP2_BCAST_TWT | IEEE80211_HE_MAC_CAP2_MU_CASCADING; he_cap_elem->mac_cap_info[3] &= ~m; m = IEEE80211_HE_MAC_CAP4_BSRP_BQRP_A_MPDU_AGG | IEEE80211_HE_MAC_CAP4_BQR; he_cap_elem->mac_cap_info[4] &= ~m; m = IEEE80211_HE_MAC_CAP5_SUBCHAN_SELECVITE_TRANSMISSION | IEEE80211_HE_MAC_CAP5_UL_2x996_TONE_RU | IEEE80211_HE_MAC_CAP5_PUNCTURED_SOUNDING | IEEE80211_HE_MAC_CAP5_HT_VHT_TRIG_FRAME_RX; he_cap_elem->mac_cap_info[5] &= ~m; m = IEEE80211_HE_PHY_CAP2_UL_MU_FULL_MU_MIMO | IEEE80211_HE_PHY_CAP2_UL_MU_PARTIAL_MU_MIMO; he_cap_elem->phy_cap_info[2] &= ~m; m = IEEE80211_HE_PHY_CAP3_RX_HE_MU_PPDU_FROM_NON_AP_STA | IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_MASK | IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_MASK; he_cap_elem->phy_cap_info[3] &= ~m; m = IEEE80211_HE_PHY_CAP4_MU_BEAMFORMER; he_cap_elem->phy_cap_info[4] &= ~m; m = IEEE80211_HE_PHY_CAP5_NG16_MU_FEEDBACK; he_cap_elem->phy_cap_info[5] &= ~m; m = IEEE80211_HE_PHY_CAP6_CODEBOOK_SIZE_75_MU | IEEE80211_HE_PHY_CAP6_TRIG_MU_BEAMFORMER_FB | IEEE80211_HE_PHY_CAP6_TRIG_CQI_FB | IEEE80211_HE_PHY_CAP6_PARTIAL_BANDWIDTH_DL_MUMIMO; he_cap_elem->phy_cap_info[6] &= ~m; m = IEEE80211_HE_PHY_CAP7_SRP_BASED_SR | IEEE80211_HE_PHY_CAP7_POWER_BOOST_FACTOR_AR | IEEE80211_HE_PHY_CAP7_STBC_TX_ABOVE_80MHZ | IEEE80211_HE_PHY_CAP7_STBC_RX_ABOVE_80MHZ; he_cap_elem->phy_cap_info[7] &= ~m; m = IEEE80211_HE_PHY_CAP8_HE_ER_SU_PPDU_4XLTF_AND_08_US_GI | IEEE80211_HE_PHY_CAP8_20MHZ_IN_40MHZ_HE_PPDU_IN_2G | IEEE80211_HE_PHY_CAP8_20MHZ_IN_160MHZ_HE_PPDU | IEEE80211_HE_PHY_CAP8_80MHZ_IN_160MHZ_HE_PPDU; he_cap_elem->phy_cap_info[8] &= ~m; m = IEEE80211_HE_PHY_CAP9_LONGER_THAN_16_SIGB_OFDM_SYM | IEEE80211_HE_PHY_CAP9_NON_TRIGGERED_CQI_FEEDBACK | IEEE80211_HE_PHY_CAP9_RX_1024_QAM_LESS_THAN_242_TONE_RU | IEEE80211_HE_PHY_CAP9_TX_1024_QAM_LESS_THAN_242_TONE_RU | IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_COMP_SIGB | IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_NON_COMP_SIGB; he_cap_elem->phy_cap_info[9] &= ~m; } static int ath11k_mac_copy_he_cap(struct ath11k *ar, struct ath11k_pdev_cap *cap, struct ieee80211_sband_iftype_data *data, int band) { int i, idx = 0; for (i = 0; i < NUM_NL80211_IFTYPES; i++) { struct ieee80211_sta_he_cap *he_cap = &data[idx].he_cap; struct ath11k_band_cap *band_cap = &cap->band[band]; struct ieee80211_he_cap_elem *he_cap_elem = &he_cap->he_cap_elem; switch (i) { case NL80211_IFTYPE_STATION: case NL80211_IFTYPE_AP: case NL80211_IFTYPE_MESH_POINT: break; default: continue; } data[idx].types_mask = BIT(i); he_cap->has_he = true; memcpy(he_cap_elem->mac_cap_info, band_cap->he_cap_info, sizeof(he_cap_elem->mac_cap_info)); memcpy(he_cap_elem->phy_cap_info, band_cap->he_cap_phy_info, sizeof(he_cap_elem->phy_cap_info)); he_cap_elem->mac_cap_info[1] &= IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_MASK; he_cap_elem->phy_cap_info[4] &= ~IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_MASK; he_cap_elem->phy_cap_info[4] &= ~IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_MASK; he_cap_elem->phy_cap_info[4] |= (ar->num_tx_chains - 1) << 2; he_cap_elem->phy_cap_info[5] &= ~IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_MASK; he_cap_elem->phy_cap_info[5] &= ~IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_MASK; he_cap_elem->phy_cap_info[5] |= ar->num_tx_chains - 1; switch (i) { case NL80211_IFTYPE_AP: he_cap_elem->phy_cap_info[3] &= ~IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_MASK; he_cap_elem->phy_cap_info[9] |= IEEE80211_HE_PHY_CAP9_RX_1024_QAM_LESS_THAN_242_TONE_RU; break; case NL80211_IFTYPE_STATION: he_cap_elem->mac_cap_info[0] &= ~IEEE80211_HE_MAC_CAP0_TWT_RES; he_cap_elem->mac_cap_info[0] |= IEEE80211_HE_MAC_CAP0_TWT_REQ; he_cap_elem->phy_cap_info[9] |= IEEE80211_HE_PHY_CAP9_TX_1024_QAM_LESS_THAN_242_TONE_RU; break; case NL80211_IFTYPE_MESH_POINT: ath11k_mac_filter_he_cap_mesh(he_cap_elem); break; } he_cap->he_mcs_nss_supp.rx_mcs_80 = cpu_to_le16(band_cap->he_mcs & 0xffff); he_cap->he_mcs_nss_supp.tx_mcs_80 = cpu_to_le16(band_cap->he_mcs & 0xffff); he_cap->he_mcs_nss_supp.rx_mcs_160 = cpu_to_le16((band_cap->he_mcs >> 16) & 0xffff); he_cap->he_mcs_nss_supp.tx_mcs_160 = cpu_to_le16((band_cap->he_mcs >> 16) & 0xffff); he_cap->he_mcs_nss_supp.rx_mcs_80p80 = cpu_to_le16((band_cap->he_mcs >> 16) & 0xffff); he_cap->he_mcs_nss_supp.tx_mcs_80p80 = cpu_to_le16((band_cap->he_mcs >> 16) & 0xffff); memset(he_cap->ppe_thres, 0, sizeof(he_cap->ppe_thres)); if (he_cap_elem->phy_cap_info[6] & IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT) ath11k_gen_ppe_thresh(&band_cap->he_ppet, he_cap->ppe_thres); idx++; } return idx; } static void ath11k_mac_setup_he_cap(struct ath11k *ar, struct ath11k_pdev_cap *cap) { struct ieee80211_supported_band *band; int count; if (cap->supported_bands & WMI_HOST_WLAN_2G_CAP) { count = ath11k_mac_copy_he_cap(ar, cap, ar->mac.iftype[NL80211_BAND_2GHZ], NL80211_BAND_2GHZ); band = &ar->mac.sbands[NL80211_BAND_2GHZ]; band->iftype_data = ar->mac.iftype[NL80211_BAND_2GHZ]; band->n_iftype_data = count; } if (cap->supported_bands & WMI_HOST_WLAN_5G_CAP) { count = ath11k_mac_copy_he_cap(ar, cap, ar->mac.iftype[NL80211_BAND_5GHZ], NL80211_BAND_5GHZ); band = &ar->mac.sbands[NL80211_BAND_5GHZ]; band->iftype_data = ar->mac.iftype[NL80211_BAND_5GHZ]; band->n_iftype_data = count; } } static int __ath11k_set_antenna(struct ath11k *ar, u32 tx_ant, u32 rx_ant) { int ret; lockdep_assert_held(&ar->conf_mutex); if (ath11k_check_chain_mask(ar, tx_ant, true)) return -EINVAL; if (ath11k_check_chain_mask(ar, rx_ant, false)) return -EINVAL; ar->cfg_tx_chainmask = tx_ant; ar->cfg_rx_chainmask = rx_ant; if (ar->state != ATH11K_STATE_ON && ar->state != ATH11K_STATE_RESTARTED) return 0; ret = ath11k_wmi_pdev_set_param(ar, WMI_PDEV_PARAM_TX_CHAIN_MASK, tx_ant, ar->pdev->pdev_id); if (ret) { ath11k_warn(ar->ab, "failed to set tx-chainmask: %d, req 0x%x\n", ret, tx_ant); return ret; } ar->num_tx_chains = get_num_chains(tx_ant); ret = ath11k_wmi_pdev_set_param(ar, WMI_PDEV_PARAM_RX_CHAIN_MASK, rx_ant, ar->pdev->pdev_id); if (ret) { ath11k_warn(ar->ab, "failed to set rx-chainmask: %d, req 0x%x\n", ret, rx_ant); return ret; } ar->num_rx_chains = get_num_chains(rx_ant); /* Reload HT/VHT/HE capability */ ath11k_mac_setup_ht_vht_cap(ar, &ar->pdev->cap, NULL); ath11k_mac_setup_he_cap(ar, &ar->pdev->cap); return 0; } int ath11k_mac_tx_mgmt_pending_free(int buf_id, void *skb, void *ctx) { struct sk_buff *msdu = skb; struct ieee80211_tx_info *info; struct ath11k *ar = ctx; struct ath11k_base *ab = ar->ab; spin_lock_bh(&ar->txmgmt_idr_lock); idr_remove(&ar->txmgmt_idr, buf_id); spin_unlock_bh(&ar->txmgmt_idr_lock); dma_unmap_single(ab->dev, ATH11K_SKB_CB(msdu)->paddr, msdu->len, DMA_TO_DEVICE); info = IEEE80211_SKB_CB(msdu); memset(&info->status, 0, sizeof(info->status)); ieee80211_free_txskb(ar->hw, msdu); return 0; } static int ath11k_mac_vif_txmgmt_idr_remove(int buf_id, void *skb, void *ctx) { struct ieee80211_vif *vif = ctx; struct ath11k_skb_cb *skb_cb = ATH11K_SKB_CB((struct sk_buff *)skb); struct sk_buff *msdu = skb; struct ath11k *ar = skb_cb->ar; struct ath11k_base *ab = ar->ab; if (skb_cb->vif == vif) { spin_lock_bh(&ar->txmgmt_idr_lock); idr_remove(&ar->txmgmt_idr, buf_id); spin_unlock_bh(&ar->txmgmt_idr_lock); dma_unmap_single(ab->dev, skb_cb->paddr, msdu->len, DMA_TO_DEVICE); } return 0; } static int ath11k_mac_mgmt_tx_wmi(struct ath11k *ar, struct ath11k_vif *arvif, struct sk_buff *skb) { struct ath11k_base *ab = ar->ab; struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data; struct ieee80211_tx_info *info; dma_addr_t paddr; int buf_id; int ret; spin_lock_bh(&ar->txmgmt_idr_lock); buf_id = idr_alloc(&ar->txmgmt_idr, skb, 0, ATH11K_TX_MGMT_NUM_PENDING_MAX, GFP_ATOMIC); spin_unlock_bh(&ar->txmgmt_idr_lock); if (buf_id < 0) return -ENOSPC; info = IEEE80211_SKB_CB(skb); if (!(info->control.flags & IEEE80211_TX_CTRL_HW_80211_ENCAP)) { if ((ieee80211_is_action(hdr->frame_control) || ieee80211_is_deauth(hdr->frame_control) || ieee80211_is_disassoc(hdr->frame_control)) && ieee80211_has_protected(hdr->frame_control)) { skb_put(skb, IEEE80211_CCMP_MIC_LEN); } } paddr = dma_map_single(ab->dev, skb->data, skb->len, DMA_TO_DEVICE); if (dma_mapping_error(ab->dev, paddr)) { ath11k_warn(ab, "failed to DMA map mgmt Tx buffer\n"); ret = -EIO; goto err_free_idr; } ATH11K_SKB_CB(skb)->paddr = paddr; ret = ath11k_wmi_mgmt_send(ar, arvif->vdev_id, buf_id, skb); if (ret) { ath11k_warn(ar->ab, "failed to send mgmt frame: %d\n", ret); goto err_unmap_buf; } return 0; err_unmap_buf: dma_unmap_single(ab->dev, ATH11K_SKB_CB(skb)->paddr, skb->len, DMA_TO_DEVICE); err_free_idr: spin_lock_bh(&ar->txmgmt_idr_lock); idr_remove(&ar->txmgmt_idr, buf_id); spin_unlock_bh(&ar->txmgmt_idr_lock); return ret; } static void ath11k_mgmt_over_wmi_tx_purge(struct ath11k *ar) { struct sk_buff *skb; while ((skb = skb_dequeue(&ar->wmi_mgmt_tx_queue)) != NULL) ieee80211_free_txskb(ar->hw, skb); } static void ath11k_mgmt_over_wmi_tx_work(struct work_struct *work) { struct ath11k *ar = container_of(work, struct ath11k, wmi_mgmt_tx_work); struct ieee80211_tx_info *info; struct ath11k_vif *arvif; struct sk_buff *skb; int ret; while ((skb = skb_dequeue(&ar->wmi_mgmt_tx_queue)) != NULL) { info = IEEE80211_SKB_CB(skb); if (!info->control.vif) { ath11k_warn(ar->ab, "no vif found for mgmt frame, flags 0x%x\n", info->control.flags); ieee80211_free_txskb(ar->hw, skb); continue; } arvif = ath11k_vif_to_arvif(info->control.vif); if (ar->allocated_vdev_map & (1LL << arvif->vdev_id) && arvif->is_started) { ret = ath11k_mac_mgmt_tx_wmi(ar, arvif, skb); if (ret) { ath11k_warn(ar->ab, "failed to tx mgmt frame, vdev_id %d :%d\n", arvif->vdev_id, ret); ieee80211_free_txskb(ar->hw, skb); } else { atomic_inc(&ar->num_pending_mgmt_tx); } } else { ath11k_warn(ar->ab, "dropping mgmt frame for vdev %d, flags 0x%x is_started %d\n", arvif->vdev_id, info->control.flags, arvif->is_started); ieee80211_free_txskb(ar->hw, skb); } } } static int ath11k_mac_mgmt_tx(struct ath11k *ar, struct sk_buff *skb, bool is_prb_rsp) { struct sk_buff_head *q = &ar->wmi_mgmt_tx_queue; if (test_bit(ATH11K_FLAG_CRASH_FLUSH, &ar->ab->dev_flags)) return -ESHUTDOWN; /* Drop probe response packets when the pending management tx * count has reached a certain threshold, so as to prioritize * other mgmt packets like auth and assoc to be sent on time * for establishing successful connections. */ if (is_prb_rsp && atomic_read(&ar->num_pending_mgmt_tx) > ATH11K_PRB_RSP_DROP_THRESHOLD) { ath11k_warn(ar->ab, "dropping probe response as pending queue is almost full\n"); return -ENOSPC; } if (skb_queue_len(q) == ATH11K_TX_MGMT_NUM_PENDING_MAX) { ath11k_warn(ar->ab, "mgmt tx queue is full\n"); return -ENOSPC; } skb_queue_tail(q, skb); ieee80211_queue_work(ar->hw, &ar->wmi_mgmt_tx_work); return 0; } static void ath11k_mac_op_tx(struct ieee80211_hw *hw, struct ieee80211_tx_control *control, struct sk_buff *skb) { struct ath11k_skb_cb *skb_cb = ATH11K_SKB_CB(skb); struct ath11k *ar = hw->priv; struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); struct ieee80211_vif *vif = info->control.vif; struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif); struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data; bool is_prb_rsp; int ret; if (info->control.flags & IEEE80211_TX_CTRL_HW_80211_ENCAP) { skb_cb->flags |= ATH11K_SKB_HW_80211_ENCAP; } else if (ieee80211_is_mgmt(hdr->frame_control)) { is_prb_rsp = ieee80211_is_probe_resp(hdr->frame_control); ret = ath11k_mac_mgmt_tx(ar, skb, is_prb_rsp); if (ret) { ath11k_warn(ar->ab, "failed to queue management frame %d\n", ret); ieee80211_free_txskb(ar->hw, skb); } return; } ret = ath11k_dp_tx(ar, arvif, skb); if (ret) { ath11k_warn(ar->ab, "failed to transmit frame %d\n", ret); ieee80211_free_txskb(ar->hw, skb); } } void ath11k_mac_drain_tx(struct ath11k *ar) { /* make sure rcu-protected mac80211 tx path itself is drained */ synchronize_net(); cancel_work_sync(&ar->wmi_mgmt_tx_work); ath11k_mgmt_over_wmi_tx_purge(ar); } static int ath11k_mac_config_mon_status_default(struct ath11k *ar, bool enable) { struct htt_rx_ring_tlv_filter tlv_filter = {0}; u32 ring_id; if (enable) { tlv_filter = ath11k_mac_mon_status_filter_default; tlv_filter.rx_filter = ath11k_debug_rx_filter(ar); } ring_id = ar->dp.rx_mon_status_refill_ring.refill_buf_ring.ring_id; return ath11k_dp_tx_htt_rx_filter_setup(ar->ab, ring_id, ar->dp.mac_id, HAL_RXDMA_MONITOR_STATUS, DP_RX_BUFFER_SIZE, &tlv_filter); } static int ath11k_mac_op_start(struct ieee80211_hw *hw) { struct ath11k *ar = hw->priv; struct ath11k_base *ab = ar->ab; struct ath11k_pdev *pdev = ar->pdev; int ret; ath11k_mac_drain_tx(ar); mutex_lock(&ar->conf_mutex); switch (ar->state) { case ATH11K_STATE_OFF: ar->state = ATH11K_STATE_ON; break; case ATH11K_STATE_RESTARTING: ar->state = ATH11K_STATE_RESTARTED; break; case ATH11K_STATE_RESTARTED: case ATH11K_STATE_WEDGED: case ATH11K_STATE_ON: WARN_ON(1); ret = -EINVAL; goto err; } ret = ath11k_wmi_pdev_set_param(ar, WMI_PDEV_PARAM_PMF_QOS, 1, pdev->pdev_id); if (ret) { ath11k_err(ar->ab, "failed to enable PMF QOS: (%d\n", ret); goto err; } ret = ath11k_wmi_pdev_set_param(ar, WMI_PDEV_PARAM_DYNAMIC_BW, 1, pdev->pdev_id); if (ret) { ath11k_err(ar->ab, "failed to enable dynamic bw: %d\n", ret); goto err; } ret = ath11k_wmi_pdev_set_param(ar, WMI_PDEV_PARAM_ARP_AC_OVERRIDE, 0, pdev->pdev_id); if (ret) { ath11k_err(ab, "failed to set ac override for ARP: %d\n", ret); goto err; } ret = ath11k_wmi_send_dfs_phyerr_offload_enable_cmd(ar, pdev->pdev_id); if (ret) { ath11k_err(ab, "failed to offload radar detection: %d\n", ret); goto err; } ret = ath11k_dp_tx_htt_h2t_ppdu_stats_req(ar, HTT_PPDU_STATS_TAG_DEFAULT); if (ret) { ath11k_err(ab, "failed to req ppdu stats: %d\n", ret); goto err; } ret = ath11k_wmi_pdev_set_param(ar, WMI_PDEV_PARAM_MESH_MCAST_ENABLE, 1, pdev->pdev_id); if (ret) { ath11k_err(ar->ab, "failed to enable MESH MCAST ENABLE: (%d\n", ret); goto err; } __ath11k_set_antenna(ar, ar->cfg_tx_chainmask, ar->cfg_rx_chainmask); /* TODO: Do we need to enable ANI? */ ath11k_reg_update_chan_list(ar); ar->num_started_vdevs = 0; ar->num_created_vdevs = 0; ar->num_peers = 0; ar->allocated_vdev_map = 0; /* Configure monitor status ring with default rx_filter to get rx status * such as rssi, rx_duration. */ ret = ath11k_mac_config_mon_status_default(ar, true); if (ret) { ath11k_err(ab, "failed to configure monitor status ring with default rx_filter: (%d)\n", ret); goto err; } /* Configure the hash seed for hash based reo dest ring selection */ ath11k_wmi_pdev_lro_cfg(ar, ar->pdev->pdev_id); mutex_unlock(&ar->conf_mutex); rcu_assign_pointer(ab->pdevs_active[ar->pdev_idx], &ab->pdevs[ar->pdev_idx]); return 0; err: ar->state = ATH11K_STATE_OFF; mutex_unlock(&ar->conf_mutex); return ret; } static void ath11k_mac_op_stop(struct ieee80211_hw *hw) { struct ath11k *ar = hw->priv; struct htt_ppdu_stats_info *ppdu_stats, *tmp; int ret; ath11k_mac_drain_tx(ar); mutex_lock(&ar->conf_mutex); ret = ath11k_mac_config_mon_status_default(ar, false); if (ret) ath11k_err(ar->ab, "failed to clear rx_filter for monitor status ring: (%d)\n", ret); clear_bit(ATH11K_CAC_RUNNING, &ar->dev_flags); ar->state = ATH11K_STATE_OFF; mutex_unlock(&ar->conf_mutex); cancel_delayed_work_sync(&ar->scan.timeout); cancel_work_sync(&ar->regd_update_work); spin_lock_bh(&ar->data_lock); list_for_each_entry_safe(ppdu_stats, tmp, &ar->ppdu_stats_info, list) { list_del(&ppdu_stats->list); kfree(ppdu_stats); } spin_unlock_bh(&ar->data_lock); rcu_assign_pointer(ar->ab->pdevs_active[ar->pdev_idx], NULL); synchronize_rcu(); atomic_set(&ar->num_pending_mgmt_tx, 0); } static void ath11k_mac_setup_vdev_create_params(struct ath11k_vif *arvif, struct vdev_create_params *params) { struct ath11k *ar = arvif->ar; struct ath11k_pdev *pdev = ar->pdev; params->if_id = arvif->vdev_id; params->type = arvif->vdev_type; params->subtype = arvif->vdev_subtype; params->pdev_id = pdev->pdev_id; if (pdev->cap.supported_bands & WMI_HOST_WLAN_2G_CAP) { params->chains[NL80211_BAND_2GHZ].tx = ar->num_tx_chains; params->chains[NL80211_BAND_2GHZ].rx = ar->num_rx_chains; } if (pdev->cap.supported_bands & WMI_HOST_WLAN_5G_CAP) { params->chains[NL80211_BAND_5GHZ].tx = ar->num_tx_chains; params->chains[NL80211_BAND_5GHZ].rx = ar->num_rx_chains; } } static u32 ath11k_mac_prepare_he_mode(struct ath11k_pdev *pdev, u32 viftype) { struct ath11k_pdev_cap *pdev_cap = &pdev->cap; struct ath11k_band_cap *cap_band = NULL; u32 *hecap_phy_ptr = NULL; u32 hemode = 0; if (pdev->cap.supported_bands & WMI_HOST_WLAN_2G_CAP) cap_band = &pdev_cap->band[NL80211_BAND_2GHZ]; else cap_band = &pdev_cap->band[NL80211_BAND_5GHZ]; hecap_phy_ptr = &cap_band->he_cap_phy_info[0]; hemode = FIELD_PREP(HE_MODE_SU_TX_BFEE, HE_SU_BFEE_ENABLE) | FIELD_PREP(HE_MODE_SU_TX_BFER, HECAP_PHY_SUBFMR_GET(hecap_phy_ptr)) | FIELD_PREP(HE_MODE_UL_MUMIMO, HECAP_PHY_ULMUMIMO_GET(hecap_phy_ptr)); /* TODO WDS and other modes */ if (viftype == NL80211_IFTYPE_AP) { hemode |= FIELD_PREP(HE_MODE_MU_TX_BFER, HECAP_PHY_MUBFMR_GET(hecap_phy_ptr)) | FIELD_PREP(HE_MODE_DL_OFDMA, HE_DL_MUOFDMA_ENABLE) | FIELD_PREP(HE_MODE_UL_OFDMA, HE_UL_MUOFDMA_ENABLE); } else { hemode |= FIELD_PREP(HE_MODE_MU_TX_BFEE, HE_MU_BFEE_ENABLE); } return hemode; } static int ath11k_set_he_mu_sounding_mode(struct ath11k *ar, struct ath11k_vif *arvif) { u32 param_id, param_value; struct ath11k_base *ab = ar->ab; int ret = 0; param_id = WMI_VDEV_PARAM_SET_HEMU_MODE; param_value = ath11k_mac_prepare_he_mode(ar->pdev, arvif->vif->type); ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id, param_id, param_value); if (ret) { ath11k_warn(ab, "failed to set vdev %d HE MU mode: %d param_value %x\n", arvif->vdev_id, ret, param_value); return ret; } param_id = WMI_VDEV_PARAM_SET_HE_SOUNDING_MODE; param_value = FIELD_PREP(HE_VHT_SOUNDING_MODE, HE_VHT_SOUNDING_MODE_ENABLE) | FIELD_PREP(HE_TRIG_NONTRIG_SOUNDING_MODE, HE_TRIG_NONTRIG_SOUNDING_MODE_ENABLE); ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id, param_id, param_value); if (ret) { ath11k_warn(ab, "failed to set vdev %d HE MU mode: %d\n", arvif->vdev_id, ret); return ret; } return ret; } static int ath11k_mac_op_add_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif) { struct ath11k *ar = hw->priv; struct ath11k_base *ab = ar->ab; struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif); struct vdev_create_params vdev_param = {0}; struct peer_create_params peer_param; u32 param_id, param_value; int hw_encap = 0; u16 nss; int i; int ret; int bit; vif->driver_flags |= IEEE80211_VIF_SUPPORTS_UAPSD; mutex_lock(&ar->conf_mutex); if (vif->type == NL80211_IFTYPE_AP && ar->num_peers > (ar->max_num_peers - 1)) { ath11k_warn(ab, "failed to create vdev due to insufficient peer entry resource in firmware\n"); ret = -ENOBUFS; goto err; } if (ar->num_created_vdevs > (TARGET_NUM_VDEVS - 1)) { ath11k_warn(ab, "failed to create vdev, reached max vdev limit %d\n", TARGET_NUM_VDEVS); ret = -EBUSY; goto err; } memset(arvif, 0, sizeof(*arvif)); arvif->ar = ar; arvif->vif = vif; INIT_LIST_HEAD(&arvif->list); /* Should we initialize any worker to handle connection loss indication * from firmware in sta mode? */ for (i = 0; i < ARRAY_SIZE(arvif->bitrate_mask.control); i++) { arvif->bitrate_mask.control[i].legacy = 0xffffffff; memset(arvif->bitrate_mask.control[i].ht_mcs, 0xff, sizeof(arvif->bitrate_mask.control[i].ht_mcs)); memset(arvif->bitrate_mask.control[i].vht_mcs, 0xff, sizeof(arvif->bitrate_mask.control[i].vht_mcs)); } bit = __ffs64(ab->free_vdev_map); arvif->vdev_id = bit; arvif->vdev_subtype = WMI_VDEV_SUBTYPE_NONE; switch (vif->type) { case NL80211_IFTYPE_UNSPECIFIED: case NL80211_IFTYPE_STATION: arvif->vdev_type = WMI_VDEV_TYPE_STA; break; case NL80211_IFTYPE_MESH_POINT: arvif->vdev_subtype = WMI_VDEV_SUBTYPE_MESH_11S; /* fall through */ case NL80211_IFTYPE_AP: arvif->vdev_type = WMI_VDEV_TYPE_AP; break; case NL80211_IFTYPE_MONITOR: arvif->vdev_type = WMI_VDEV_TYPE_MONITOR; break; default: WARN_ON(1); break; } ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "mac add interface id %d type %d subtype %d map %llx\n", arvif->vdev_id, arvif->vdev_type, arvif->vdev_subtype, ab->free_vdev_map); vif->cab_queue = arvif->vdev_id % (ATH11K_HW_MAX_QUEUES - 1); for (i = 0; i < ARRAY_SIZE(vif->hw_queue); i++) vif->hw_queue[i] = i % (ATH11K_HW_MAX_QUEUES - 1); ath11k_mac_setup_vdev_create_params(arvif, &vdev_param); ret = ath11k_wmi_vdev_create(ar, vif->addr, &vdev_param); if (ret) { ath11k_warn(ab, "failed to create WMI vdev %d: %d\n", arvif->vdev_id, ret); goto err; } ar->num_created_vdevs++; ath11k_dbg(ab, ATH11K_DBG_MAC, "vdev %pM created, vdev_id %d\n", vif->addr, arvif->vdev_id); ar->allocated_vdev_map |= 1LL << arvif->vdev_id; ab->free_vdev_map &= ~(1LL << arvif->vdev_id); spin_lock_bh(&ar->data_lock); list_add(&arvif->list, &ar->arvifs); spin_unlock_bh(&ar->data_lock); param_id = WMI_VDEV_PARAM_TX_ENCAP_TYPE; if (ath11k_frame_mode == ATH11K_HW_TXRX_ETHERNET) switch (vif->type) { case NL80211_IFTYPE_STATION: case NL80211_IFTYPE_AP_VLAN: case NL80211_IFTYPE_AP: hw_encap = 1; break; default: break; } if (ieee80211_set_hw_80211_encap(vif, hw_encap)) param_value = ATH11K_HW_TXRX_ETHERNET; else param_value = ATH11K_HW_TXRX_NATIVE_WIFI; ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id, param_id, param_value); if (ret) { ath11k_warn(ab, "failed to set vdev %d tx encap mode: %d\n", arvif->vdev_id, ret); goto err_vdev_del; } nss = get_num_chains(ar->cfg_tx_chainmask) ? : 1; ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id, WMI_VDEV_PARAM_NSS, nss); if (ret) { ath11k_warn(ab, "failed to set vdev %d chainmask 0x%x, nss %d :%d\n", arvif->vdev_id, ar->cfg_tx_chainmask, nss, ret); goto err_vdev_del; } switch (arvif->vdev_type) { case WMI_VDEV_TYPE_AP: peer_param.vdev_id = arvif->vdev_id; peer_param.peer_addr = vif->addr; peer_param.peer_type = WMI_PEER_TYPE_DEFAULT; ret = ath11k_peer_create(ar, arvif, NULL, &peer_param); if (ret) { ath11k_warn(ab, "failed to vdev %d create peer for AP: %d\n", arvif->vdev_id, ret); goto err_vdev_del; } ret = ath11k_mac_set_kickout(arvif); if (ret) { ath11k_warn(ar->ab, "failed to set vdev %i kickout parameters: %d\n", arvif->vdev_id, ret); goto err_peer_del; } break; case WMI_VDEV_TYPE_STA: param_id = WMI_STA_PS_PARAM_RX_WAKE_POLICY; param_value = WMI_STA_PS_RX_WAKE_POLICY_WAKE; ret = ath11k_wmi_set_sta_ps_param(ar, arvif->vdev_id, param_id, param_value); if (ret) { ath11k_warn(ar->ab, "failed to set vdev %d RX wake policy: %d\n", arvif->vdev_id, ret); goto err_peer_del; } param_id = WMI_STA_PS_PARAM_TX_WAKE_THRESHOLD; param_value = WMI_STA_PS_TX_WAKE_THRESHOLD_ALWAYS; ret = ath11k_wmi_set_sta_ps_param(ar, arvif->vdev_id, param_id, param_value); if (ret) { ath11k_warn(ar->ab, "failed to set vdev %d TX wake threshold: %d\n", arvif->vdev_id, ret); goto err_peer_del; } param_id = WMI_STA_PS_PARAM_PSPOLL_COUNT; param_value = WMI_STA_PS_PSPOLL_COUNT_NO_MAX; ret = ath11k_wmi_set_sta_ps_param(ar, arvif->vdev_id, param_id, param_value); if (ret) { ath11k_warn(ar->ab, "failed to set vdev %d pspoll count: %d\n", arvif->vdev_id, ret); goto err_peer_del; } ret = ath11k_wmi_pdev_set_ps_mode(ar, arvif->vdev_id, false); if (ret) { ath11k_warn(ar->ab, "failed to disable vdev %d ps mode: %d\n", arvif->vdev_id, ret); goto err_peer_del; } break; default: break; } arvif->txpower = vif->bss_conf.txpower; ret = ath11k_mac_txpower_recalc(ar); if (ret) goto err_peer_del; param_id = WMI_VDEV_PARAM_RTS_THRESHOLD; param_value = ar->hw->wiphy->rts_threshold; ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id, param_id, param_value); if (ret) { ath11k_warn(ar->ab, "failed to set rts threshold for vdev %d: %d\n", arvif->vdev_id, ret); } ath11k_dp_vdev_tx_attach(ar, arvif); mutex_unlock(&ar->conf_mutex); return 0; err_peer_del: if (arvif->vdev_type == WMI_VDEV_TYPE_AP) { ar->num_peers--; ath11k_wmi_send_peer_delete_cmd(ar, vif->addr, arvif->vdev_id); } err_vdev_del: ath11k_wmi_vdev_delete(ar, arvif->vdev_id); ar->num_created_vdevs--; ar->allocated_vdev_map &= ~(1LL << arvif->vdev_id); ab->free_vdev_map |= 1LL << arvif->vdev_id; spin_lock_bh(&ar->data_lock); list_del(&arvif->list); spin_unlock_bh(&ar->data_lock); err: mutex_unlock(&ar->conf_mutex); return ret; } static int ath11k_mac_vif_unref(int buf_id, void *skb, void *ctx) { struct ieee80211_vif *vif = (struct ieee80211_vif *)ctx; struct ath11k_skb_cb *skb_cb = ATH11K_SKB_CB((struct sk_buff *)skb); if (skb_cb->vif == vif) skb_cb->vif = NULL; return 0; } static void ath11k_mac_op_remove_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif) { struct ath11k *ar = hw->priv; struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif); struct ath11k_base *ab = ar->ab; int ret; int i; mutex_lock(&ar->conf_mutex); ath11k_dbg(ab, ATH11K_DBG_MAC, "mac remove interface (vdev %d)\n", arvif->vdev_id); spin_lock_bh(&ar->data_lock); list_del(&arvif->list); spin_unlock_bh(&ar->data_lock); if (arvif->vdev_type == WMI_VDEV_TYPE_AP) { ret = ath11k_peer_delete(ar, arvif->vdev_id, vif->addr); if (ret) ath11k_warn(ab, "failed to submit AP self-peer removal on vdev %d: %d\n", arvif->vdev_id, ret); } ret = ath11k_wmi_vdev_delete(ar, arvif->vdev_id); if (ret) ath11k_warn(ab, "failed to delete WMI vdev %d: %d\n", arvif->vdev_id, ret); ar->num_created_vdevs--; ath11k_dbg(ab, ATH11K_DBG_MAC, "vdev %pM deleted, vdev_id %d\n", vif->addr, arvif->vdev_id); ar->allocated_vdev_map &= ~(1LL << arvif->vdev_id); ab->free_vdev_map |= 1LL << (arvif->vdev_id); ath11k_peer_cleanup(ar, arvif->vdev_id); idr_for_each(&ar->txmgmt_idr, ath11k_mac_vif_txmgmt_idr_remove, vif); for (i = 0; i < DP_TCL_NUM_RING_MAX; i++) { spin_lock_bh(&ab->dp.tx_ring[i].tx_idr_lock); idr_for_each(&ab->dp.tx_ring[i].txbuf_idr, ath11k_mac_vif_unref, vif); spin_unlock_bh(&ab->dp.tx_ring[i].tx_idr_lock); } /* Recalc txpower for remaining vdev */ ath11k_mac_txpower_recalc(ar); clear_bit(ATH11K_FLAG_MONITOR_ENABLED, &ar->monitor_flags); /* TODO: recal traffic pause state based on the available vdevs */ mutex_unlock(&ar->conf_mutex); } /* FIXME: Has to be verified. */ #define SUPPORTED_FILTERS \ (FIF_ALLMULTI | \ FIF_CONTROL | \ FIF_PSPOLL | \ FIF_OTHER_BSS | \ FIF_BCN_PRBRESP_PROMISC | \ FIF_PROBE_REQ | \ FIF_FCSFAIL) static void ath11k_mac_op_configure_filter(struct ieee80211_hw *hw, unsigned int changed_flags, unsigned int *total_flags, u64 multicast) { struct ath11k *ar = hw->priv; bool reset_flag = false; int ret = 0; mutex_lock(&ar->conf_mutex); changed_flags &= SUPPORTED_FILTERS; *total_flags &= SUPPORTED_FILTERS; ar->filter_flags = *total_flags; /* For monitor mode */ reset_flag = !(ar->filter_flags & FIF_BCN_PRBRESP_PROMISC); ret = ath11k_dp_tx_htt_monitor_mode_ring_config(ar, reset_flag); if (!ret) { if (!reset_flag) set_bit(ATH11K_FLAG_MONITOR_ENABLED, &ar->monitor_flags); else clear_bit(ATH11K_FLAG_MONITOR_ENABLED, &ar->monitor_flags); } else { ath11k_warn(ar->ab, "fail to set monitor filter: %d\n", ret); } mutex_unlock(&ar->conf_mutex); } static int ath11k_mac_op_get_antenna(struct ieee80211_hw *hw, u32 *tx_ant, u32 *rx_ant) { struct ath11k *ar = hw->priv; mutex_lock(&ar->conf_mutex); *tx_ant = ar->cfg_tx_chainmask; *rx_ant = ar->cfg_rx_chainmask; mutex_unlock(&ar->conf_mutex); return 0; } static int ath11k_mac_op_set_antenna(struct ieee80211_hw *hw, u32 tx_ant, u32 rx_ant) { struct ath11k *ar = hw->priv; int ret; mutex_lock(&ar->conf_mutex); ret = __ath11k_set_antenna(ar, tx_ant, rx_ant); mutex_unlock(&ar->conf_mutex); return ret; } static int ath11k_mac_op_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif, struct ieee80211_ampdu_params *params) { struct ath11k *ar = hw->priv; int ret = -EINVAL; mutex_lock(&ar->conf_mutex); switch (params->action) { case IEEE80211_AMPDU_RX_START: ret = ath11k_dp_rx_ampdu_start(ar, params); break; case IEEE80211_AMPDU_RX_STOP: ret = ath11k_dp_rx_ampdu_stop(ar, params); break; case IEEE80211_AMPDU_TX_START: case IEEE80211_AMPDU_TX_STOP_CONT: case IEEE80211_AMPDU_TX_STOP_FLUSH: case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT: case IEEE80211_AMPDU_TX_OPERATIONAL: /* Tx A-MPDU aggregation offloaded to hw/fw so deny mac80211 * Tx aggregation requests. */ ret = -EOPNOTSUPP; break; } mutex_unlock(&ar->conf_mutex); return ret; } static int ath11k_mac_op_add_chanctx(struct ieee80211_hw *hw, struct ieee80211_chanctx_conf *ctx) { struct ath11k *ar = hw->priv; struct ath11k_base *ab = ar->ab; ath11k_dbg(ab, ATH11K_DBG_MAC, "mac chanctx add freq %hu width %d ptr %pK\n", ctx->def.chan->center_freq, ctx->def.width, ctx); mutex_lock(&ar->conf_mutex); spin_lock_bh(&ar->data_lock); /* TODO: In case of multiple channel context, populate rx_channel from * Rx PPDU desc information. */ ar->rx_channel = ctx->def.chan; spin_unlock_bh(&ar->data_lock); mutex_unlock(&ar->conf_mutex); return 0; } static void ath11k_mac_op_remove_chanctx(struct ieee80211_hw *hw, struct ieee80211_chanctx_conf *ctx) { struct ath11k *ar = hw->priv; struct ath11k_base *ab = ar->ab; ath11k_dbg(ab, ATH11K_DBG_MAC, "mac chanctx remove freq %hu width %d ptr %pK\n", ctx->def.chan->center_freq, ctx->def.width, ctx); mutex_lock(&ar->conf_mutex); spin_lock_bh(&ar->data_lock); /* TODO: In case of there is one more channel context left, populate * rx_channel with the channel of that remaining channel context. */ ar->rx_channel = NULL; spin_unlock_bh(&ar->data_lock); mutex_unlock(&ar->conf_mutex); } static inline int ath11k_mac_vdev_setup_sync(struct ath11k *ar) { lockdep_assert_held(&ar->conf_mutex); if (test_bit(ATH11K_FLAG_CRASH_FLUSH, &ar->ab->dev_flags)) return -ESHUTDOWN; if (!wait_for_completion_timeout(&ar->vdev_setup_done, ATH11K_VDEV_SETUP_TIMEOUT_HZ)) return -ETIMEDOUT; return ar->last_wmi_vdev_start_status ? -EINVAL : 0; } static int ath11k_mac_vdev_start_restart(struct ath11k_vif *arvif, const struct cfg80211_chan_def *chandef, bool restart) { struct ath11k *ar = arvif->ar; struct ath11k_base *ab = ar->ab; struct wmi_vdev_start_req_arg arg = {}; int he_support = arvif->vif->bss_conf.he_support; int ret = 0; lockdep_assert_held(&ar->conf_mutex); reinit_completion(&ar->vdev_setup_done); arg.vdev_id = arvif->vdev_id; arg.dtim_period = arvif->dtim_period; arg.bcn_intval = arvif->beacon_interval; arg.channel.freq = chandef->chan->center_freq; arg.channel.band_center_freq1 = chandef->center_freq1; arg.channel.band_center_freq2 = chandef->center_freq2; arg.channel.mode = ath11k_phymodes[chandef->chan->band][chandef->width]; arg.channel.min_power = 0; arg.channel.max_power = chandef->chan->max_power * 2; arg.channel.max_reg_power = chandef->chan->max_reg_power * 2; arg.channel.max_antenna_gain = chandef->chan->max_antenna_gain * 2; arg.pref_tx_streams = ar->num_tx_chains; arg.pref_rx_streams = ar->num_rx_chains; if (arvif->vdev_type == WMI_VDEV_TYPE_AP) { arg.ssid = arvif->u.ap.ssid; arg.ssid_len = arvif->u.ap.ssid_len; arg.hidden_ssid = arvif->u.ap.hidden_ssid; /* For now allow DFS for AP mode */ arg.channel.chan_radar = !!(chandef->chan->flags & IEEE80211_CHAN_RADAR); arg.channel.passive = arg.channel.chan_radar; spin_lock_bh(&ab->base_lock); arg.regdomain = ar->ab->dfs_region; spin_unlock_bh(&ab->base_lock); /* TODO: Notify if secondary 80Mhz also needs radar detection */ if (he_support) { ret = ath11k_set_he_mu_sounding_mode(ar, arvif); if (ret) { ath11k_warn(ar->ab, "failed to set he mode vdev %i\n", arg.vdev_id); return ret; } } } arg.channel.passive |= !!(chandef->chan->flags & IEEE80211_CHAN_NO_IR); ath11k_dbg(ab, ATH11K_DBG_MAC, "mac vdev %d start center_freq %d phymode %s\n", arg.vdev_id, arg.channel.freq, ath11k_wmi_phymode_str(arg.channel.mode)); ret = ath11k_wmi_vdev_start(ar, &arg, restart); if (ret) { ath11k_warn(ar->ab, "failed to %s WMI vdev %i\n", restart ? "restart" : "start", arg.vdev_id); return ret; } ret = ath11k_mac_vdev_setup_sync(ar); if (ret) { ath11k_warn(ab, "failed to synchronize setup for vdev %i %s: %d\n", arg.vdev_id, restart ? "restart" : "start", ret); return ret; } ar->num_started_vdevs++; ath11k_dbg(ab, ATH11K_DBG_MAC, "vdev %pM started, vdev_id %d\n", arvif->vif->addr, arvif->vdev_id); /* Enable CAC Flag in the driver by checking the channel DFS cac time, * i.e dfs_cac_ms value which will be valid only for radar channels * and state as NL80211_DFS_USABLE which indicates CAC needs to be * done before channel usage. This flags is used to drop rx packets. * during CAC. */ /* TODO Set the flag for other interface types as required */ if (arvif->vdev_type == WMI_VDEV_TYPE_AP && chandef->chan->dfs_cac_ms && chandef->chan->dfs_state == NL80211_DFS_USABLE) { set_bit(ATH11K_CAC_RUNNING, &ar->dev_flags); ath11k_dbg(ab, ATH11K_DBG_MAC, "CAC Started in chan_freq %d for vdev %d\n", arg.channel.freq, arg.vdev_id); } ret = ath11k_mac_set_txbf_conf(arvif); if (ret) ath11k_warn(ab, "failed to set txbf conf for vdev %d: %d\n", arvif->vdev_id, ret); return 0; } static int ath11k_mac_vdev_stop(struct ath11k_vif *arvif) { struct ath11k *ar = arvif->ar; int ret; lockdep_assert_held(&ar->conf_mutex); reinit_completion(&ar->vdev_setup_done); spin_lock_bh(&ar->data_lock); ar->vdev_stop_status.stop_in_progress = true; ar->vdev_stop_status.vdev_id = arvif->vdev_id; spin_unlock_bh(&ar->data_lock); ret = ath11k_wmi_vdev_stop(ar, arvif->vdev_id); if (ret) { ath11k_warn(ar->ab, "failed to stop WMI vdev %i: %d\n", arvif->vdev_id, ret); goto err; } ret = ath11k_mac_vdev_setup_sync(ar); if (ret) { ath11k_warn(ar->ab, "failed to synchronize setup for vdev %i: %d\n", arvif->vdev_id, ret); goto err; } WARN_ON(ar->num_started_vdevs == 0); ar->num_started_vdevs--; ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "vdev %pM stopped, vdev_id %d\n", arvif->vif->addr, arvif->vdev_id); if (test_bit(ATH11K_CAC_RUNNING, &ar->dev_flags)) { clear_bit(ATH11K_CAC_RUNNING, &ar->dev_flags); ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "CAC Stopped for vdev %d\n", arvif->vdev_id); } return 0; err: spin_lock_bh(&ar->data_lock); ar->vdev_stop_status.stop_in_progress = false; spin_unlock_bh(&ar->data_lock); return ret; } static int ath11k_mac_vdev_start(struct ath11k_vif *arvif, const struct cfg80211_chan_def *chandef) { return ath11k_mac_vdev_start_restart(arvif, chandef, false); } static int ath11k_mac_vdev_restart(struct ath11k_vif *arvif, const struct cfg80211_chan_def *chandef) { return ath11k_mac_vdev_start_restart(arvif, chandef, true); } struct ath11k_mac_change_chanctx_arg { struct ieee80211_chanctx_conf *ctx; struct ieee80211_vif_chanctx_switch *vifs; int n_vifs; int next_vif; }; static void ath11k_mac_change_chanctx_cnt_iter(void *data, u8 *mac, struct ieee80211_vif *vif) { struct ath11k_mac_change_chanctx_arg *arg = data; if (rcu_access_pointer(vif->chanctx_conf) != arg->ctx) return; arg->n_vifs++; } static void ath11k_mac_change_chanctx_fill_iter(void *data, u8 *mac, struct ieee80211_vif *vif) { struct ath11k_mac_change_chanctx_arg *arg = data; struct ieee80211_chanctx_conf *ctx; ctx = rcu_access_pointer(vif->chanctx_conf); if (ctx != arg->ctx) return; if (WARN_ON(arg->next_vif == arg->n_vifs)) return; arg->vifs[arg->next_vif].vif = vif; arg->vifs[arg->next_vif].old_ctx = ctx; arg->vifs[arg->next_vif].new_ctx = ctx; arg->next_vif++; } static void ath11k_mac_update_vif_chan(struct ath11k *ar, struct ieee80211_vif_chanctx_switch *vifs, int n_vifs) { struct ath11k_base *ab = ar->ab; struct ath11k_vif *arvif; int ret; int i; lockdep_assert_held(&ar->conf_mutex); for (i = 0; i < n_vifs; i++) { arvif = (void *)vifs[i].vif->drv_priv; ath11k_dbg(ab, ATH11K_DBG_MAC, "mac chanctx switch vdev_id %i freq %hu->%hu width %d->%d\n", arvif->vdev_id, vifs[i].old_ctx->def.chan->center_freq, vifs[i].new_ctx->def.chan->center_freq, vifs[i].old_ctx->def.width, vifs[i].new_ctx->def.width); if (WARN_ON(!arvif->is_started)) continue; if (WARN_ON(!arvif->is_up)) continue; ret = ath11k_wmi_vdev_down(ar, arvif->vdev_id); if (ret) { ath11k_warn(ab, "failed to down vdev %d: %d\n", arvif->vdev_id, ret); continue; } } /* All relevant vdevs are downed and associated channel resources * should be available for the channel switch now. */ /* TODO: Update ar->rx_channel */ for (i = 0; i < n_vifs; i++) { arvif = (void *)vifs[i].vif->drv_priv; if (WARN_ON(!arvif->is_started)) continue; if (WARN_ON(!arvif->is_up)) continue; ret = ath11k_mac_setup_bcn_tmpl(arvif); if (ret) ath11k_warn(ab, "failed to update bcn tmpl during csa: %d\n", ret); ret = ath11k_mac_vdev_restart(arvif, &vifs[i].new_ctx->def); if (ret) { ath11k_warn(ab, "failed to restart vdev %d: %d\n", arvif->vdev_id, ret); continue; } ret = ath11k_wmi_vdev_up(arvif->ar, arvif->vdev_id, arvif->aid, arvif->bssid); if (ret) { ath11k_warn(ab, "failed to bring vdev up %d: %d\n", arvif->vdev_id, ret); continue; } } } static void ath11k_mac_update_active_vif_chan(struct ath11k *ar, struct ieee80211_chanctx_conf *ctx) { struct ath11k_mac_change_chanctx_arg arg = { .ctx = ctx }; lockdep_assert_held(&ar->conf_mutex); ieee80211_iterate_active_interfaces_atomic(ar->hw, IEEE80211_IFACE_ITER_NORMAL, ath11k_mac_change_chanctx_cnt_iter, &arg); if (arg.n_vifs == 0) return; arg.vifs = kcalloc(arg.n_vifs, sizeof(arg.vifs[0]), GFP_KERNEL); if (!arg.vifs) return; ieee80211_iterate_active_interfaces_atomic(ar->hw, IEEE80211_IFACE_ITER_NORMAL, ath11k_mac_change_chanctx_fill_iter, &arg); ath11k_mac_update_vif_chan(ar, arg.vifs, arg.n_vifs); kfree(arg.vifs); } static void ath11k_mac_op_change_chanctx(struct ieee80211_hw *hw, struct ieee80211_chanctx_conf *ctx, u32 changed) { struct ath11k *ar = hw->priv; struct ath11k_base *ab = ar->ab; mutex_lock(&ar->conf_mutex); ath11k_dbg(ab, ATH11K_DBG_MAC, "mac chanctx change freq %hu width %d ptr %pK changed %x\n", ctx->def.chan->center_freq, ctx->def.width, ctx, changed); /* This shouldn't really happen because channel switching should use * switch_vif_chanctx(). */ if (WARN_ON(changed & IEEE80211_CHANCTX_CHANGE_CHANNEL)) goto unlock; if (changed & IEEE80211_CHANCTX_CHANGE_WIDTH) ath11k_mac_update_active_vif_chan(ar, ctx); /* TODO: Recalc radar detection */ unlock: mutex_unlock(&ar->conf_mutex); } static int ath11k_mac_op_assign_vif_chanctx(struct ieee80211_hw *hw, struct ieee80211_vif *vif, struct ieee80211_chanctx_conf *ctx) { struct ath11k *ar = hw->priv; struct ath11k_base *ab = ar->ab; struct ath11k_vif *arvif = (void *)vif->drv_priv; int ret; mutex_lock(&ar->conf_mutex); ath11k_dbg(ab, ATH11K_DBG_MAC, "mac chanctx assign ptr %pK vdev_id %i\n", ctx, arvif->vdev_id); if (WARN_ON(arvif->is_started)) { mutex_unlock(&ar->conf_mutex); return -EBUSY; } ret = ath11k_mac_vdev_start(arvif, &ctx->def); if (ret) { ath11k_warn(ab, "failed to start vdev %i addr %pM on freq %d: %d\n", arvif->vdev_id, vif->addr, ctx->def.chan->center_freq, ret); goto err; } if (arvif->vdev_type == WMI_VDEV_TYPE_MONITOR) { ret = ath11k_monitor_vdev_up(ar, arvif->vdev_id); if (ret) goto err; } arvif->is_started = true; /* TODO: Setup ps and cts/rts protection */ mutex_unlock(&ar->conf_mutex); return 0; err: mutex_unlock(&ar->conf_mutex); return ret; } static void ath11k_mac_op_unassign_vif_chanctx(struct ieee80211_hw *hw, struct ieee80211_vif *vif, struct ieee80211_chanctx_conf *ctx) { struct ath11k *ar = hw->priv; struct ath11k_base *ab = ar->ab; struct ath11k_vif *arvif = (void *)vif->drv_priv; int ret; mutex_lock(&ar->conf_mutex); ath11k_dbg(ab, ATH11K_DBG_MAC, "mac chanctx unassign ptr %pK vdev_id %i\n", ctx, arvif->vdev_id); WARN_ON(!arvif->is_started); ret = ath11k_mac_vdev_stop(arvif); if (ret) ath11k_warn(ab, "failed to stop vdev %i: %d\n", arvif->vdev_id, ret); arvif->is_started = false; mutex_unlock(&ar->conf_mutex); } static int ath11k_mac_op_switch_vif_chanctx(struct ieee80211_hw *hw, struct ieee80211_vif_chanctx_switch *vifs, int n_vifs, enum ieee80211_chanctx_switch_mode mode) { struct ath11k *ar = hw->priv; mutex_lock(&ar->conf_mutex); ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "mac chanctx switch n_vifs %d mode %d\n", n_vifs, mode); ath11k_mac_update_vif_chan(ar, vifs, n_vifs); mutex_unlock(&ar->conf_mutex); return 0; } static int ath11k_set_vdev_param_to_all_vifs(struct ath11k *ar, int param, u32 value) { struct ath11k_vif *arvif; int ret = 0; mutex_lock(&ar->conf_mutex); list_for_each_entry(arvif, &ar->arvifs, list) { ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "setting mac vdev %d param %d value %d\n", param, arvif->vdev_id, value); ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id, param, value); if (ret) { ath11k_warn(ar->ab, "failed to set param %d for vdev %d: %d\n", param, arvif->vdev_id, ret); break; } } mutex_unlock(&ar->conf_mutex); return ret; } /* mac80211 stores device specific RTS/Fragmentation threshold value, * this is set interface specific to firmware from ath11k driver */ static int ath11k_mac_op_set_rts_threshold(struct ieee80211_hw *hw, u32 value) { struct ath11k *ar = hw->priv; int param_id = WMI_VDEV_PARAM_RTS_THRESHOLD; return ath11k_set_vdev_param_to_all_vifs(ar, param_id, value); } static int ath11k_mac_op_set_frag_threshold(struct ieee80211_hw *hw, u32 value) { /* Even though there's a WMI vdev param for fragmentation threshold no * known firmware actually implements it. Moreover it is not possible to * rely frame fragmentation to mac80211 because firmware clears the * "more fragments" bit in frame control making it impossible for remote * devices to reassemble frames. * * Hence implement a dummy callback just to say fragmentation isn't * supported. This effectively prevents mac80211 from doing frame * fragmentation in software. */ return -EOPNOTSUPP; } static void ath11k_mac_op_flush(struct ieee80211_hw *hw, struct ieee80211_vif *vif, u32 queues, bool drop) { struct ath11k *ar = hw->priv; long time_left; if (drop) return; time_left = wait_event_timeout(ar->dp.tx_empty_waitq, (atomic_read(&ar->dp.num_tx_pending) == 0), ATH11K_FLUSH_TIMEOUT); if (time_left == 0) ath11k_warn(ar->ab, "failed to flush transmit queue %ld\n", time_left); } static int ath11k_mac_bitrate_mask_num_ht_rates(struct ath11k *ar, enum nl80211_band band, const struct cfg80211_bitrate_mask *mask) { int num_rates = 0; int i; for (i = 0; i < ARRAY_SIZE(mask->control[band].ht_mcs); i++) num_rates += hweight16(mask->control[band].ht_mcs[i]); return num_rates; } static bool ath11k_mac_has_single_legacy_rate(struct ath11k *ar, enum nl80211_band band, const struct cfg80211_bitrate_mask *mask) { int num_rates = 0; num_rates = hweight32(mask->control[band].legacy); if (ath11k_mac_bitrate_mask_num_ht_rates(ar, band, mask)) return false; if (ath11k_mac_bitrate_mask_num_vht_rates(ar, band, mask)) return false; return num_rates == 1; } static bool ath11k_mac_bitrate_mask_get_single_nss(struct ath11k *ar, enum nl80211_band band, const struct cfg80211_bitrate_mask *mask, int *nss) { struct ieee80211_supported_band *sband = &ar->mac.sbands[band]; u16 vht_mcs_map = le16_to_cpu(sband->vht_cap.vht_mcs.tx_mcs_map); u8 ht_nss_mask = 0; u8 vht_nss_mask = 0; int i; /* No need to consider legacy here. Basic rates are always present * in bitrate mask */ for (i = 0; i < ARRAY_SIZE(mask->control[band].ht_mcs); i++) { if (mask->control[band].ht_mcs[i] == 0) continue; else if (mask->control[band].ht_mcs[i] == sband->ht_cap.mcs.rx_mask[i]) ht_nss_mask |= BIT(i); else return false; } for (i = 0; i < ARRAY_SIZE(mask->control[band].vht_mcs); i++) { if (mask->control[band].vht_mcs[i] == 0) continue; else if (mask->control[band].vht_mcs[i] == ath11k_mac_get_max_vht_mcs_map(vht_mcs_map, i)) vht_nss_mask |= BIT(i); else return false; } if (ht_nss_mask != vht_nss_mask) return false; if (ht_nss_mask == 0) return false; if (BIT(fls(ht_nss_mask)) - 1 != ht_nss_mask) return false; *nss = fls(ht_nss_mask); return true; } static int ath11k_mac_get_single_legacy_rate(struct ath11k *ar, enum nl80211_band band, const struct cfg80211_bitrate_mask *mask, u32 *rate, u8 *nss) { int rate_idx; u16 bitrate; u8 preamble; u8 hw_rate; if (hweight32(mask->control[band].legacy) != 1) return -EINVAL; rate_idx = ffs(mask->control[band].legacy) - 1; if (band == NL80211_BAND_5GHZ) rate_idx += ATH11K_MAC_FIRST_OFDM_RATE_IDX; hw_rate = ath11k_legacy_rates[rate_idx].hw_value; bitrate = ath11k_legacy_rates[rate_idx].bitrate; if (ath11k_mac_bitrate_is_cck(bitrate)) preamble = WMI_RATE_PREAMBLE_CCK; else preamble = WMI_RATE_PREAMBLE_OFDM; *nss = 1; *rate = ATH11K_HW_RATE_CODE(hw_rate, 0, preamble); return 0; } static int ath11k_mac_set_fixed_rate_params(struct ath11k_vif *arvif, u32 rate, u8 nss, u8 sgi, u8 ldpc) { struct ath11k *ar = arvif->ar; u32 vdev_param; int ret; lockdep_assert_held(&ar->conf_mutex); ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "mac set fixed rate params vdev %i rate 0x%02hhx nss %hhu sgi %hhu\n", arvif->vdev_id, rate, nss, sgi); vdev_param = WMI_VDEV_PARAM_FIXED_RATE; ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id, vdev_param, rate); if (ret) { ath11k_warn(ar->ab, "failed to set fixed rate param 0x%02x: %d\n", rate, ret); return ret; } vdev_param = WMI_VDEV_PARAM_NSS; ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id, vdev_param, nss); if (ret) { ath11k_warn(ar->ab, "failed to set nss param %d: %d\n", nss, ret); return ret; } vdev_param = WMI_VDEV_PARAM_SGI; ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id, vdev_param, sgi); if (ret) { ath11k_warn(ar->ab, "failed to set sgi param %d: %d\n", sgi, ret); return ret; } vdev_param = WMI_VDEV_PARAM_LDPC; ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id, vdev_param, ldpc); if (ret) { ath11k_warn(ar->ab, "failed to set ldpc param %d: %d\n", ldpc, ret); return ret; } return 0; } static bool ath11k_mac_vht_mcs_range_present(struct ath11k *ar, enum nl80211_band band, const struct cfg80211_bitrate_mask *mask) { int i; u16 vht_mcs; for (i = 0; i < NL80211_VHT_NSS_MAX; i++) { vht_mcs = mask->control[band].vht_mcs[i]; switch (vht_mcs) { case 0: case BIT(8) - 1: case BIT(9) - 1: case BIT(10) - 1: break; default: return false; } } return true; } static void ath11k_mac_set_bitrate_mask_iter(void *data, struct ieee80211_sta *sta) { struct ath11k_vif *arvif = data; struct ath11k_sta *arsta = (struct ath11k_sta *)sta->drv_priv; struct ath11k *ar = arvif->ar; spin_lock_bh(&ar->data_lock); arsta->changed |= IEEE80211_RC_SUPP_RATES_CHANGED; spin_unlock_bh(&ar->data_lock); ieee80211_queue_work(ar->hw, &arsta->update_wk); } static void ath11k_mac_disable_peer_fixed_rate(void *data, struct ieee80211_sta *sta) { struct ath11k_vif *arvif = data; struct ath11k *ar = arvif->ar; int ret; ret = ath11k_wmi_set_peer_param(ar, sta->addr, arvif->vdev_id, WMI_PEER_PARAM_FIXED_RATE, WMI_FIXED_RATE_NONE); if (ret) ath11k_warn(ar->ab, "failed to disable peer fixed rate for STA %pM ret %d\n", sta->addr, ret); } static int ath11k_mac_op_set_bitrate_mask(struct ieee80211_hw *hw, struct ieee80211_vif *vif, const struct cfg80211_bitrate_mask *mask) { struct ath11k_vif *arvif = (void *)vif->drv_priv; struct cfg80211_chan_def def; struct ath11k *ar = arvif->ar; enum nl80211_band band; const u8 *ht_mcs_mask; const u16 *vht_mcs_mask; u32 rate; u8 nss; u8 sgi; u8 ldpc; int single_nss; int ret; int num_rates; if (ath11k_mac_vif_chan(vif, &def)) return -EPERM; band = def.chan->band; ht_mcs_mask = mask->control[band].ht_mcs; vht_mcs_mask = mask->control[band].vht_mcs; ldpc = !!(ar->ht_cap_info & WMI_HT_CAP_LDPC); sgi = mask->control[band].gi; if (sgi == NL80211_TXRATE_FORCE_LGI) return -EINVAL; /* mac80211 doesn't support sending a fixed HT/VHT MCS alone, rather it * requires passing atleast one of used basic rates along with them. * Fixed rate setting across different preambles(legacy, HT, VHT) is * not supported by the FW. Hence use of FIXED_RATE vdev param is not * suitable for setting single HT/VHT rates. * But, there could be a single basic rate passed from userspace which * can be done through the FIXED_RATE param. */ if (ath11k_mac_has_single_legacy_rate(ar, band, mask)) { ret = ath11k_mac_get_single_legacy_rate(ar, band, mask, &rate, &nss); if (ret) { ath11k_warn(ar->ab, "failed to get single legacy rate for vdev %i: %d\n", arvif->vdev_id, ret); return ret; } ieee80211_iterate_stations_atomic(ar->hw, ath11k_mac_disable_peer_fixed_rate, arvif); } else if (ath11k_mac_bitrate_mask_get_single_nss(ar, band, mask, &single_nss)) { rate = WMI_FIXED_RATE_NONE; nss = single_nss; } else { rate = WMI_FIXED_RATE_NONE; nss = min_t(u32, ar->num_tx_chains, max(ath11k_mac_max_ht_nss(ht_mcs_mask), ath11k_mac_max_vht_nss(vht_mcs_mask))); /* If multiple rates across different preambles are given * we can reconfigure this info with all peers using PEER_ASSOC * command with the below exception cases. * - Single VHT Rate : peer_assoc command accommodates only MCS * range values i.e 0-7, 0-8, 0-9 for VHT. Though mac80211 * mandates passing basic rates along with HT/VHT rates, FW * doesn't allow switching from VHT to Legacy. Hence instead of * setting legacy and VHT rates using RATEMASK_CMD vdev cmd, * we could set this VHT rate as peer fixed rate param, which * will override FIXED rate and FW rate control algorithm. * If single VHT rate is passed along with HT rates, we select * the VHT rate as fixed rate for vht peers. * - Multiple VHT Rates : When Multiple VHT rates are given,this * can be set using RATEMASK CMD which uses FW rate-ctl alg. * TODO: Setting multiple VHT MCS and replacing peer_assoc with * RATEMASK_CMDID can cover all use cases of setting rates * across multiple preambles and rates within same type. * But requires more validation of the command at this point. */ num_rates = ath11k_mac_bitrate_mask_num_vht_rates(ar, band, mask); if (!ath11k_mac_vht_mcs_range_present(ar, band, mask) && num_rates > 1) { /* TODO: Handle multiple VHT MCS values setting using * RATEMASK CMD */ ath11k_warn(ar->ab, "Setting more than one MCS Value in bitrate mask not supported\n"); return -EINVAL; } ieee80211_iterate_stations_atomic(ar->hw, ath11k_mac_disable_peer_fixed_rate, arvif); mutex_lock(&ar->conf_mutex); arvif->bitrate_mask = *mask; ieee80211_iterate_stations_atomic(ar->hw, ath11k_mac_set_bitrate_mask_iter, arvif); mutex_unlock(&ar->conf_mutex); } mutex_lock(&ar->conf_mutex); ret = ath11k_mac_set_fixed_rate_params(arvif, rate, nss, sgi, ldpc); if (ret) { ath11k_warn(ar->ab, "failed to set fixed rate params on vdev %i: %d\n", arvif->vdev_id, ret); } mutex_unlock(&ar->conf_mutex); return ret; } static void ath11k_mac_op_reconfig_complete(struct ieee80211_hw *hw, enum ieee80211_reconfig_type reconfig_type) { struct ath11k *ar = hw->priv; if (reconfig_type != IEEE80211_RECONFIG_TYPE_RESTART) return; mutex_lock(&ar->conf_mutex); if (ar->state == ATH11K_STATE_RESTARTED) { ath11k_warn(ar->ab, "pdev %d successfully recovered\n", ar->pdev->pdev_id); ar->state = ATH11K_STATE_ON; ieee80211_wake_queues(ar->hw); } mutex_unlock(&ar->conf_mutex); } static void ath11k_mac_update_bss_chan_survey(struct ath11k *ar, struct ieee80211_channel *channel) { int ret; enum wmi_bss_chan_info_req_type type = WMI_BSS_SURVEY_REQ_TYPE_READ; lockdep_assert_held(&ar->conf_mutex); if (!test_bit(WMI_TLV_SERVICE_BSS_CHANNEL_INFO_64, ar->ab->wmi_ab.svc_map) || ar->rx_channel != channel) return; if (ar->scan.state != ATH11K_SCAN_IDLE) { ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "ignoring bss chan info req while scanning..\n"); return; } reinit_completion(&ar->bss_survey_done); ret = ath11k_wmi_pdev_bss_chan_info_request(ar, type); if (ret) { ath11k_warn(ar->ab, "failed to send pdev bss chan info request\n"); return; } ret = wait_for_completion_timeout(&ar->bss_survey_done, 3 * HZ); if (ret == 0) ath11k_warn(ar->ab, "bss channel survey timed out\n"); } static int ath11k_mac_op_get_survey(struct ieee80211_hw *hw, int idx, struct survey_info *survey) { struct ath11k *ar = hw->priv; struct ieee80211_supported_band *sband; struct survey_info *ar_survey; int ret = 0; if (idx >= ATH11K_NUM_CHANS) return -ENOENT; ar_survey = &ar->survey[idx]; mutex_lock(&ar->conf_mutex); sband = hw->wiphy->bands[NL80211_BAND_2GHZ]; if (sband && idx >= sband->n_channels) { idx -= sband->n_channels; sband = NULL; } if (!sband) sband = hw->wiphy->bands[NL80211_BAND_5GHZ]; if (!sband || idx >= sband->n_channels) { ret = -ENOENT; goto exit; } ath11k_mac_update_bss_chan_survey(ar, &sband->channels[idx]); spin_lock_bh(&ar->data_lock); memcpy(survey, ar_survey, sizeof(*survey)); spin_unlock_bh(&ar->data_lock); survey->channel = &sband->channels[idx]; if (ar->rx_channel == survey->channel) survey->filled |= SURVEY_INFO_IN_USE; exit: mutex_unlock(&ar->conf_mutex); return ret; } static void ath11k_mac_op_sta_statistics(struct ieee80211_hw *hw, struct ieee80211_vif *vif, struct ieee80211_sta *sta, struct station_info *sinfo) { struct ath11k_sta *arsta = (struct ath11k_sta *)sta->drv_priv; sinfo->rx_duration = arsta->rx_duration; sinfo->filled |= BIT_ULL(NL80211_STA_INFO_RX_DURATION); sinfo->tx_duration = arsta->tx_duration; sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_DURATION); if (!arsta->txrate.legacy && !arsta->txrate.nss) return; if (arsta->txrate.legacy) { sinfo->txrate.legacy = arsta->txrate.legacy; } else { sinfo->txrate.mcs = arsta->txrate.mcs; sinfo->txrate.nss = arsta->txrate.nss; sinfo->txrate.bw = arsta->txrate.bw; sinfo->txrate.he_gi = arsta->txrate.he_gi; sinfo->txrate.he_dcm = arsta->txrate.he_dcm; sinfo->txrate.he_ru_alloc = arsta->txrate.he_ru_alloc; } sinfo->txrate.flags = arsta->txrate.flags; sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_BITRATE); /* TODO: Use real NF instead of default one. */ sinfo->signal = arsta->rssi_comb + ATH11K_DEFAULT_NOISE_FLOOR; } static const struct ieee80211_ops ath11k_ops = { .tx = ath11k_mac_op_tx, .start = ath11k_mac_op_start, .stop = ath11k_mac_op_stop, .reconfig_complete = ath11k_mac_op_reconfig_complete, .add_interface = ath11k_mac_op_add_interface, .remove_interface = ath11k_mac_op_remove_interface, .config = ath11k_mac_op_config, .bss_info_changed = ath11k_mac_op_bss_info_changed, .configure_filter = ath11k_mac_op_configure_filter, .hw_scan = ath11k_mac_op_hw_scan, .cancel_hw_scan = ath11k_mac_op_cancel_hw_scan, .set_key = ath11k_mac_op_set_key, .sta_state = ath11k_mac_op_sta_state, .sta_set_txpwr = ath11k_mac_op_sta_set_txpwr, .sta_rc_update = ath11k_mac_op_sta_rc_update, .conf_tx = ath11k_mac_op_conf_tx, .set_antenna = ath11k_mac_op_set_antenna, .get_antenna = ath11k_mac_op_get_antenna, .ampdu_action = ath11k_mac_op_ampdu_action, .add_chanctx = ath11k_mac_op_add_chanctx, .remove_chanctx = ath11k_mac_op_remove_chanctx, .change_chanctx = ath11k_mac_op_change_chanctx, .assign_vif_chanctx = ath11k_mac_op_assign_vif_chanctx, .unassign_vif_chanctx = ath11k_mac_op_unassign_vif_chanctx, .switch_vif_chanctx = ath11k_mac_op_switch_vif_chanctx, .set_rts_threshold = ath11k_mac_op_set_rts_threshold, .set_frag_threshold = ath11k_mac_op_set_frag_threshold, .set_bitrate_mask = ath11k_mac_op_set_bitrate_mask, .get_survey = ath11k_mac_op_get_survey, .flush = ath11k_mac_op_flush, .sta_statistics = ath11k_mac_op_sta_statistics, CFG80211_TESTMODE_CMD(ath11k_tm_cmd) #ifdef CONFIG_ATH11K_DEBUGFS .sta_add_debugfs = ath11k_sta_add_debugfs, #endif }; static const struct ieee80211_iface_limit ath11k_if_limits[] = { { .max = 1, .types = BIT(NL80211_IFTYPE_STATION), }, { .max = 16, .types = BIT(NL80211_IFTYPE_AP) #ifdef CONFIG_MAC80211_MESH | BIT(NL80211_IFTYPE_MESH_POINT) #endif }, }; static const struct ieee80211_iface_combination ath11k_if_comb[] = { { .limits = ath11k_if_limits, .n_limits = ARRAY_SIZE(ath11k_if_limits), .max_interfaces = 16, .num_different_channels = 1, .beacon_int_infra_match = true, .beacon_int_min_gcd = 100, .radar_detect_widths = BIT(NL80211_CHAN_WIDTH_20_NOHT) | BIT(NL80211_CHAN_WIDTH_20) | BIT(NL80211_CHAN_WIDTH_40) | BIT(NL80211_CHAN_WIDTH_80), }, }; static void ath11k_mac_update_ch_list(struct ath11k *ar, struct ieee80211_supported_band *band, u32 freq_low, u32 freq_high) { int i; if (!(freq_low && freq_high)) return; for (i = 0; i < band->n_channels; i++) { if (band->channels[i].center_freq < freq_low || band->channels[i].center_freq > freq_high) band->channels[i].flags |= IEEE80211_CHAN_DISABLED; } } static int ath11k_mac_setup_channels_rates(struct ath11k *ar, u32 supported_bands) { struct ieee80211_supported_band *band; struct ath11k_hal_reg_capabilities_ext *reg_cap; void *channels; BUILD_BUG_ON((ARRAY_SIZE(ath11k_2ghz_channels) + ARRAY_SIZE(ath11k_5ghz_channels)) != ATH11K_NUM_CHANS); reg_cap = &ar->ab->hal_reg_cap[ar->pdev_idx]; if (supported_bands & WMI_HOST_WLAN_2G_CAP) { channels = kmemdup(ath11k_2ghz_channels, sizeof(ath11k_2ghz_channels), GFP_KERNEL); if (!channels) return -ENOMEM; band = &ar->mac.sbands[NL80211_BAND_2GHZ]; band->n_channels = ARRAY_SIZE(ath11k_2ghz_channels); band->channels = channels; band->n_bitrates = ath11k_g_rates_size; band->bitrates = ath11k_g_rates; ar->hw->wiphy->bands[NL80211_BAND_2GHZ] = band; ath11k_mac_update_ch_list(ar, band, reg_cap->low_2ghz_chan, reg_cap->high_2ghz_chan); } if (supported_bands & WMI_HOST_WLAN_5G_CAP) { channels = kmemdup(ath11k_5ghz_channels, sizeof(ath11k_5ghz_channels), GFP_KERNEL); if (!channels) { kfree(ar->mac.sbands[NL80211_BAND_2GHZ].channels); return -ENOMEM; } band = &ar->mac.sbands[NL80211_BAND_5GHZ]; band->n_channels = ARRAY_SIZE(ath11k_5ghz_channels); band->channels = channels; band->n_bitrates = ath11k_a_rates_size; band->bitrates = ath11k_a_rates; ar->hw->wiphy->bands[NL80211_BAND_5GHZ] = band; ath11k_mac_update_ch_list(ar, band, reg_cap->low_5ghz_chan, reg_cap->high_5ghz_chan); } return 0; } static const u8 ath11k_if_types_ext_capa[] = { [0] = WLAN_EXT_CAPA1_EXT_CHANNEL_SWITCHING, [7] = WLAN_EXT_CAPA8_OPMODE_NOTIF, }; static const u8 ath11k_if_types_ext_capa_sta[] = { [0] = WLAN_EXT_CAPA1_EXT_CHANNEL_SWITCHING, [7] = WLAN_EXT_CAPA8_OPMODE_NOTIF, [9] = WLAN_EXT_CAPA10_TWT_REQUESTER_SUPPORT, }; static const u8 ath11k_if_types_ext_capa_ap[] = { [0] = WLAN_EXT_CAPA1_EXT_CHANNEL_SWITCHING, [7] = WLAN_EXT_CAPA8_OPMODE_NOTIF, [9] = WLAN_EXT_CAPA10_TWT_RESPONDER_SUPPORT, }; static const struct wiphy_iftype_ext_capab ath11k_iftypes_ext_capa[] = { { .extended_capabilities = ath11k_if_types_ext_capa, .extended_capabilities_mask = ath11k_if_types_ext_capa, .extended_capabilities_len = sizeof(ath11k_if_types_ext_capa), }, { .iftype = NL80211_IFTYPE_STATION, .extended_capabilities = ath11k_if_types_ext_capa_sta, .extended_capabilities_mask = ath11k_if_types_ext_capa_sta, .extended_capabilities_len = sizeof(ath11k_if_types_ext_capa_sta), }, { .iftype = NL80211_IFTYPE_AP, .extended_capabilities = ath11k_if_types_ext_capa_ap, .extended_capabilities_mask = ath11k_if_types_ext_capa_ap, .extended_capabilities_len = sizeof(ath11k_if_types_ext_capa_ap), }, }; static void __ath11k_mac_unregister(struct ath11k *ar) { cancel_work_sync(&ar->regd_update_work); ieee80211_unregister_hw(ar->hw); idr_for_each(&ar->txmgmt_idr, ath11k_mac_tx_mgmt_pending_free, ar); idr_destroy(&ar->txmgmt_idr); kfree(ar->mac.sbands[NL80211_BAND_2GHZ].channels); kfree(ar->mac.sbands[NL80211_BAND_5GHZ].channels); SET_IEEE80211_DEV(ar->hw, NULL); } void ath11k_mac_unregister(struct ath11k_base *ab) { struct ath11k *ar; struct ath11k_pdev *pdev; int i; for (i = 0; i < ab->num_radios; i++) { pdev = &ab->pdevs[i]; ar = pdev->ar; if (!ar) continue; __ath11k_mac_unregister(ar); } } static int __ath11k_mac_register(struct ath11k *ar) { struct ath11k_base *ab = ar->ab; struct ath11k_pdev_cap *cap = &ar->pdev->cap; static const u32 cipher_suites[] = { WLAN_CIPHER_SUITE_TKIP, WLAN_CIPHER_SUITE_CCMP, WLAN_CIPHER_SUITE_AES_CMAC, WLAN_CIPHER_SUITE_BIP_CMAC_256, WLAN_CIPHER_SUITE_BIP_GMAC_128, WLAN_CIPHER_SUITE_BIP_GMAC_256, WLAN_CIPHER_SUITE_GCMP, WLAN_CIPHER_SUITE_GCMP_256, WLAN_CIPHER_SUITE_CCMP_256, }; int ret; u32 ht_cap = 0; ath11k_pdev_caps_update(ar); SET_IEEE80211_PERM_ADDR(ar->hw, ar->mac_addr); SET_IEEE80211_DEV(ar->hw, ab->dev); ret = ath11k_mac_setup_channels_rates(ar, cap->supported_bands); if (ret) goto err_free; ath11k_mac_setup_ht_vht_cap(ar, cap, &ht_cap); ath11k_mac_setup_he_cap(ar, cap); ar->hw->wiphy->available_antennas_rx = cap->rx_chain_mask; ar->hw->wiphy->available_antennas_tx = cap->tx_chain_mask; ar->hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | BIT(NL80211_IFTYPE_AP) | BIT(NL80211_IFTYPE_MESH_POINT); ieee80211_hw_set(ar->hw, SIGNAL_DBM); ieee80211_hw_set(ar->hw, SUPPORTS_PS); ieee80211_hw_set(ar->hw, SUPPORTS_DYNAMIC_PS); ieee80211_hw_set(ar->hw, MFP_CAPABLE); ieee80211_hw_set(ar->hw, REPORTS_TX_ACK_STATUS); ieee80211_hw_set(ar->hw, HAS_RATE_CONTROL); ieee80211_hw_set(ar->hw, AP_LINK_PS); ieee80211_hw_set(ar->hw, SPECTRUM_MGMT); ieee80211_hw_set(ar->hw, SUPPORT_FAST_XMIT); ieee80211_hw_set(ar->hw, CONNECTION_MONITOR); ieee80211_hw_set(ar->hw, SUPPORTS_PER_STA_GTK); ieee80211_hw_set(ar->hw, WANT_MONITOR_VIF); ieee80211_hw_set(ar->hw, CHANCTX_STA_CSA); ieee80211_hw_set(ar->hw, QUEUE_CONTROL); ieee80211_hw_set(ar->hw, SUPPORTS_TX_FRAG); ieee80211_hw_set(ar->hw, REPORTS_LOW_ACK); if (ht_cap & WMI_HT_CAP_ENABLED) { ieee80211_hw_set(ar->hw, AMPDU_AGGREGATION); ieee80211_hw_set(ar->hw, TX_AMPDU_SETUP_IN_HW); ieee80211_hw_set(ar->hw, SUPPORTS_REORDERING_BUFFER); ieee80211_hw_set(ar->hw, SUPPORTS_AMSDU_IN_AMPDU); ieee80211_hw_set(ar->hw, USES_RSS); } ar->hw->wiphy->features |= NL80211_FEATURE_STATIC_SMPS; ar->hw->wiphy->flags |= WIPHY_FLAG_IBSS_RSN; /* TODO: Check if HT capability advertised from firmware is different * for each band for a dual band capable radio. It will be tricky to * handle it when the ht capability different for each band. */ if (ht_cap & WMI_HT_CAP_DYNAMIC_SMPS) ar->hw->wiphy->features |= NL80211_FEATURE_DYNAMIC_SMPS; ar->hw->wiphy->max_scan_ssids = WLAN_SCAN_PARAMS_MAX_SSID; ar->hw->wiphy->max_scan_ie_len = WLAN_SCAN_PARAMS_MAX_IE_LEN; ar->hw->max_listen_interval = ATH11K_MAX_HW_LISTEN_INTERVAL; ar->hw->wiphy->flags |= WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL; ar->hw->wiphy->flags |= WIPHY_FLAG_HAS_CHANNEL_SWITCH; ar->hw->wiphy->max_remain_on_channel_duration = 5000; ar->hw->wiphy->flags |= WIPHY_FLAG_AP_UAPSD; ar->hw->wiphy->features |= NL80211_FEATURE_AP_MODE_CHAN_WIDTH_CHANGE | NL80211_FEATURE_AP_SCAN; ar->max_num_stations = TARGET_NUM_STATIONS; ar->max_num_peers = TARGET_NUM_PEERS_PDEV; ar->hw->wiphy->max_ap_assoc_sta = ar->max_num_stations; ar->hw->queues = ATH11K_HW_MAX_QUEUES; ar->hw->wiphy->tx_queue_len = ATH11K_QUEUE_LEN; ar->hw->offchannel_tx_hw_queue = ATH11K_HW_MAX_QUEUES - 1; ar->hw->max_rx_aggregation_subframes = IEEE80211_MAX_AMPDU_BUF; ar->hw->vif_data_size = sizeof(struct ath11k_vif); ar->hw->sta_data_size = sizeof(struct ath11k_sta); ar->hw->wiphy->iface_combinations = ath11k_if_comb; ar->hw->wiphy->n_iface_combinations = ARRAY_SIZE(ath11k_if_comb); wiphy_ext_feature_set(ar->hw->wiphy, NL80211_EXT_FEATURE_CQM_RSSI_LIST); wiphy_ext_feature_set(ar->hw->wiphy, NL80211_EXT_FEATURE_STA_TX_PWR); ar->hw->wiphy->cipher_suites = cipher_suites; ar->hw->wiphy->n_cipher_suites = ARRAY_SIZE(cipher_suites); ar->hw->wiphy->iftype_ext_capab = ath11k_iftypes_ext_capa; ar->hw->wiphy->num_iftype_ext_capab = ARRAY_SIZE(ath11k_iftypes_ext_capa); ath11k_reg_init(ar); /* advertise HW checksum offload capabilities */ ar->hw->netdev_features = NETIF_F_HW_CSUM; ret = ieee80211_register_hw(ar->hw); if (ret) { ath11k_err(ar->ab, "ieee80211 registration failed: %d\n", ret); goto err_free; } /* Apply the regd received during initialization */ ret = ath11k_regd_update(ar, true); if (ret) { ath11k_err(ar->ab, "ath11k regd update failed: %d\n", ret); goto err_free; } ret = ath11k_debug_register(ar); if (ret) { ath11k_err(ar->ab, "debugfs registration failed: %d\n", ret); goto err_free; } return 0; err_free: kfree(ar->mac.sbands[NL80211_BAND_2GHZ].channels); kfree(ar->mac.sbands[NL80211_BAND_5GHZ].channels); SET_IEEE80211_DEV(ar->hw, NULL); return ret; } int ath11k_mac_register(struct ath11k_base *ab) { struct ath11k *ar; struct ath11k_pdev *pdev; int i; int ret; if (test_bit(ATH11K_FLAG_REGISTERED, &ab->dev_flags)) return 0; for (i = 0; i < ab->num_radios; i++) { pdev = &ab->pdevs[i]; ar = pdev->ar; if (ab->pdevs_macaddr_valid) { ether_addr_copy(ar->mac_addr, pdev->mac_addr); } else { ether_addr_copy(ar->mac_addr, ab->mac_addr); ar->mac_addr[4] += i; } ret = __ath11k_mac_register(ar); if (ret) goto err_cleanup; idr_init(&ar->txmgmt_idr); spin_lock_init(&ar->txmgmt_idr_lock); } /* Initialize channel counters frequency value in hertz */ ab->cc_freq_hz = IPQ8074_CC_FREQ_HERTZ; ab->free_vdev_map = (1LL << (ab->num_radios * TARGET_NUM_VDEVS)) - 1; return 0; err_cleanup: for (i = i - 1; i >= 0; i--) { pdev = &ab->pdevs[i]; ar = pdev->ar; __ath11k_mac_unregister(ar); } return ret; } int ath11k_mac_allocate(struct ath11k_base *ab) { struct ieee80211_hw *hw; struct ath11k *ar; struct ath11k_pdev *pdev; int ret; int i; if (test_bit(ATH11K_FLAG_REGISTERED, &ab->dev_flags)) return 0; for (i = 0; i < ab->num_radios; i++) { pdev = &ab->pdevs[i]; hw = ieee80211_alloc_hw(sizeof(struct ath11k), &ath11k_ops); if (!hw) { ath11k_warn(ab, "failed to allocate mac80211 hw device\n"); ret = -ENOMEM; goto err_free_mac; } ar = hw->priv; ar->hw = hw; ar->ab = ab; ar->pdev = pdev; ar->pdev_idx = i; ar->lmac_id = ath11k_core_get_hw_mac_id(ab, i); ar->wmi = &ab->wmi_ab.wmi[i]; /* FIXME wmi[0] is already initialized during attach, * Should we do this again? */ ath11k_wmi_pdev_attach(ab, i); ar->cfg_tx_chainmask = pdev->cap.tx_chain_mask; ar->cfg_rx_chainmask = pdev->cap.rx_chain_mask; ar->num_tx_chains = get_num_chains(pdev->cap.tx_chain_mask); ar->num_rx_chains = get_num_chains(pdev->cap.rx_chain_mask); pdev->ar = ar; spin_lock_init(&ar->data_lock); INIT_LIST_HEAD(&ar->arvifs); INIT_LIST_HEAD(&ar->ppdu_stats_info); mutex_init(&ar->conf_mutex); init_completion(&ar->vdev_setup_done); init_completion(&ar->peer_assoc_done); init_completion(&ar->install_key_done); init_completion(&ar->bss_survey_done); init_completion(&ar->scan.started); init_completion(&ar->scan.completed); init_completion(&ar->thermal.wmi_sync); INIT_DELAYED_WORK(&ar->scan.timeout, ath11k_scan_timeout_work); INIT_WORK(&ar->regd_update_work, ath11k_regd_update_work); INIT_WORK(&ar->wmi_mgmt_tx_work, ath11k_mgmt_over_wmi_tx_work); skb_queue_head_init(&ar->wmi_mgmt_tx_queue); clear_bit(ATH11K_FLAG_MONITOR_ENABLED, &ar->monitor_flags); } return 0; err_free_mac: ath11k_mac_destroy(ab); return ret; } void ath11k_mac_destroy(struct ath11k_base *ab) { struct ath11k *ar; struct ath11k_pdev *pdev; int i; for (i = 0; i < ab->num_radios; i++) { pdev = &ab->pdevs[i]; ar = pdev->ar; if (!ar) continue; ieee80211_free_hw(ar->hw); pdev->ar = NULL; } }
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