diff options
Diffstat (limited to 'net/mac80211/status.c')
| -rw-r--r-- | net/mac80211/status.c | 434 |
1 files changed, 227 insertions, 207 deletions
diff --git a/net/mac80211/status.c b/net/mac80211/status.c index f6f63a0b1b72..4b38aa0e902a 100644 --- a/net/mac80211/status.c +++ b/net/mac80211/status.c @@ -5,12 +5,13 @@ * Copyright 2006-2007 Jiri Benc <jbenc@suse.cz> * Copyright 2008-2010 Johannes Berg <johannes@sipsolutions.net> * Copyright 2013-2014 Intel Mobile Communications GmbH + * Copyright 2021-2025 Intel Corporation */ #include <linux/export.h> #include <linux/etherdevice.h> #include <net/mac80211.h> -#include <asm/unaligned.h> +#include <linux/unaligned.h> #include "ieee80211_i.h" #include "rate.h" #include "mesh.h" @@ -71,7 +72,7 @@ static void ieee80211_handle_filtered_frame(struct ieee80211_local *local, info->flags |= IEEE80211_TX_INTFL_RETRANSMISSION; info->flags &= ~IEEE80211_TX_TEMPORARY_FLAGS; - sta->status_stats.filtered++; + sta->deflink.status_stats.filtered++; /* * Clear more-data bit on filtered frames, it might be set @@ -183,8 +184,6 @@ static void ieee80211_check_pending_bar(struct sta_info *sta, u8 *addr, u8 tid) static void ieee80211_frame_acked(struct sta_info *sta, struct sk_buff *skb) { struct ieee80211_mgmt *mgmt = (void *) skb->data; - struct ieee80211_local *local = sta->local; - struct ieee80211_sub_if_data *sdata = sta->sdata; if (ieee80211_is_data_qos(mgmt->frame_control)) { struct ieee80211_hdr *hdr = (void *) skb->data; @@ -193,42 +192,6 @@ static void ieee80211_frame_acked(struct sta_info *sta, struct sk_buff *skb) ieee80211_check_pending_bar(sta, hdr->addr1, tid); } - - if (ieee80211_is_action(mgmt->frame_control) && - !ieee80211_has_protected(mgmt->frame_control) && - mgmt->u.action.category == WLAN_CATEGORY_HT && - mgmt->u.action.u.ht_smps.action == WLAN_HT_ACTION_SMPS && - ieee80211_sdata_running(sdata)) { - enum ieee80211_smps_mode smps_mode; - - switch (mgmt->u.action.u.ht_smps.smps_control) { - case WLAN_HT_SMPS_CONTROL_DYNAMIC: - smps_mode = IEEE80211_SMPS_DYNAMIC; - break; - case WLAN_HT_SMPS_CONTROL_STATIC: - smps_mode = IEEE80211_SMPS_STATIC; - break; - case WLAN_HT_SMPS_CONTROL_DISABLED: - default: /* shouldn't happen since we don't send that */ - smps_mode = IEEE80211_SMPS_OFF; - break; - } - - if (sdata->vif.type == NL80211_IFTYPE_STATION) { - /* - * This update looks racy, but isn't -- if we come - * here we've definitely got a station that we're - * talking to, and on a managed interface that can - * only be the AP. And the only other place updating - * this variable in managed mode is before association. - */ - sdata->smps_mode = smps_mode; - ieee80211_queue_work(&local->hw, &sdata->recalc_smps); - } else if (sdata->vif.type == NL80211_IFTYPE_AP || - sdata->vif.type == NL80211_IFTYPE_AP_VLAN) { - sta->known_smps_mode = smps_mode; - } - } } static void ieee80211_set_bar_pending(struct sta_info *sta, u8 tid, u16 ssn) @@ -246,15 +209,19 @@ static void ieee80211_set_bar_pending(struct sta_info *sta, u8 tid, u16 ssn) static int ieee80211_tx_radiotap_len(struct ieee80211_tx_info *info, struct ieee80211_tx_status *status) { + struct ieee80211_rate_status *status_rate = NULL; int len = sizeof(struct ieee80211_radiotap_header); + if (status && status->n_rates) + status_rate = &status->rates[status->n_rates - 1]; + /* IEEE80211_RADIOTAP_RATE rate */ - if (status && status->rate && !(status->rate->flags & - (RATE_INFO_FLAGS_MCS | - RATE_INFO_FLAGS_DMG | - RATE_INFO_FLAGS_EDMG | - RATE_INFO_FLAGS_VHT_MCS | - RATE_INFO_FLAGS_HE_MCS))) + if (status_rate && !(status_rate->rate_idx.flags & + (RATE_INFO_FLAGS_MCS | + RATE_INFO_FLAGS_DMG | + RATE_INFO_FLAGS_EDMG | + RATE_INFO_FLAGS_VHT_MCS | + RATE_INFO_FLAGS_HE_MCS))) len += 2; else if (info->status.rates[0].idx >= 0 && !(info->status.rates[0].flags & @@ -269,12 +236,12 @@ static int ieee80211_tx_radiotap_len(struct ieee80211_tx_info *info, /* IEEE80211_RADIOTAP_MCS * IEEE80211_RADIOTAP_VHT */ - if (status && status->rate) { - if (status->rate->flags & RATE_INFO_FLAGS_MCS) + if (status_rate) { + if (status_rate->rate_idx.flags & RATE_INFO_FLAGS_MCS) len += 3; - else if (status->rate->flags & RATE_INFO_FLAGS_VHT_MCS) + else if (status_rate->rate_idx.flags & RATE_INFO_FLAGS_VHT_MCS) len = ALIGN(len, 2) + 12; - else if (status->rate->flags & RATE_INFO_FLAGS_HE_MCS) + else if (status_rate->rate_idx.flags & RATE_INFO_FLAGS_HE_MCS) len = ALIGN(len, 2) + 12; } else if (info->status.rates[0].idx >= 0) { if (info->status.rates[0].flags & IEEE80211_TX_RC_MCS) @@ -288,18 +255,21 @@ static int ieee80211_tx_radiotap_len(struct ieee80211_tx_info *info, static void ieee80211_add_tx_radiotap_header(struct ieee80211_local *local, - struct ieee80211_supported_band *sband, struct sk_buff *skb, int retry_count, - int rtap_len, int shift, + int rtap_len, struct ieee80211_tx_status *status) { struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data; struct ieee80211_radiotap_header *rthdr; + struct ieee80211_rate_status *status_rate = NULL; unsigned char *pos; u16 legacy_rate = 0; u16 txflags; + if (status && status->n_rates) + status_rate = &status->rates[status->n_rates - 1]; + rthdr = skb_push(skb, rtap_len); memset(rthdr, 0, rtap_len); @@ -317,22 +287,27 @@ ieee80211_add_tx_radiotap_header(struct ieee80211_local *local, /* IEEE80211_RADIOTAP_RATE */ - if (status && status->rate) { - if (!(status->rate->flags & (RATE_INFO_FLAGS_MCS | - RATE_INFO_FLAGS_DMG | - RATE_INFO_FLAGS_EDMG | - RATE_INFO_FLAGS_VHT_MCS | - RATE_INFO_FLAGS_HE_MCS))) - legacy_rate = status->rate->legacy; + if (status_rate) { + if (!(status_rate->rate_idx.flags & + (RATE_INFO_FLAGS_MCS | + RATE_INFO_FLAGS_DMG | + RATE_INFO_FLAGS_EDMG | + RATE_INFO_FLAGS_VHT_MCS | + RATE_INFO_FLAGS_HE_MCS))) + legacy_rate = status_rate->rate_idx.legacy; } else if (info->status.rates[0].idx >= 0 && !(info->status.rates[0].flags & (IEEE80211_TX_RC_MCS | - IEEE80211_TX_RC_VHT_MCS))) + IEEE80211_TX_RC_VHT_MCS))) { + struct ieee80211_supported_band *sband; + + sband = local->hw.wiphy->bands[info->band]; legacy_rate = sband->bitrates[info->status.rates[0].idx].bitrate; + } if (legacy_rate) { rthdr->it_present |= cpu_to_le32(BIT(IEEE80211_RADIOTAP_RATE)); - *pos = DIV_ROUND_UP(legacy_rate, 5 * (1 << shift)); + *pos = DIV_ROUND_UP(legacy_rate, 5); /* padding for tx flags */ pos += 2; } @@ -356,20 +331,21 @@ ieee80211_add_tx_radiotap_header(struct ieee80211_local *local, *pos = retry_count; pos++; - if (status && status->rate && - (status->rate->flags & RATE_INFO_FLAGS_MCS)) { + if (status_rate && (status_rate->rate_idx.flags & RATE_INFO_FLAGS_MCS)) + { rthdr->it_present |= cpu_to_le32(BIT(IEEE80211_RADIOTAP_MCS)); pos[0] = IEEE80211_RADIOTAP_MCS_HAVE_MCS | IEEE80211_RADIOTAP_MCS_HAVE_GI | IEEE80211_RADIOTAP_MCS_HAVE_BW; - if (status->rate->flags & RATE_INFO_FLAGS_SHORT_GI) + if (status_rate->rate_idx.flags & RATE_INFO_FLAGS_SHORT_GI) pos[1] |= IEEE80211_RADIOTAP_MCS_SGI; - if (status->rate->bw == RATE_INFO_BW_40) + if (status_rate->rate_idx.bw == RATE_INFO_BW_40) pos[1] |= IEEE80211_RADIOTAP_MCS_BW_40; - pos[2] = status->rate->mcs; + pos[2] = status_rate->rate_idx.mcs; pos += 3; - } else if (status && status->rate && - (status->rate->flags & RATE_INFO_FLAGS_VHT_MCS)) { + } else if (status_rate && (status_rate->rate_idx.flags & + RATE_INFO_FLAGS_VHT_MCS)) + { u16 known = local->hw.radiotap_vht_details & (IEEE80211_RADIOTAP_VHT_KNOWN_GI | IEEE80211_RADIOTAP_VHT_KNOWN_BANDWIDTH); @@ -384,12 +360,12 @@ ieee80211_add_tx_radiotap_header(struct ieee80211_local *local, pos += 2; /* u8 flags - IEEE80211_RADIOTAP_VHT_FLAG_* */ - if (status->rate->flags & RATE_INFO_FLAGS_SHORT_GI) + if (status_rate->rate_idx.flags & RATE_INFO_FLAGS_SHORT_GI) *pos |= IEEE80211_RADIOTAP_VHT_FLAG_SGI; pos++; /* u8 bandwidth */ - switch (status->rate->bw) { + switch (status_rate->rate_idx.bw) { case RATE_INFO_BW_160: *pos = 11; break; @@ -406,7 +382,8 @@ ieee80211_add_tx_radiotap_header(struct ieee80211_local *local, pos++; /* u8 mcs_nss[4] */ - *pos = (status->rate->mcs << 4) | status->rate->nss; + *pos = (status_rate->rate_idx.mcs << 4) | + status_rate->rate_idx.nss; pos += 4; /* u8 coding */ @@ -415,8 +392,9 @@ ieee80211_add_tx_radiotap_header(struct ieee80211_local *local, pos++; /* u16 partial_aid */ pos += 2; - } else if (status && status->rate && - (status->rate->flags & RATE_INFO_FLAGS_HE_MCS)) { + } else if (status_rate && (status_rate->rate_idx.flags & + RATE_INFO_FLAGS_HE_MCS)) + { struct ieee80211_radiotap_he *he; rthdr->it_present |= cpu_to_le32(BIT(IEEE80211_RADIOTAP_HE)); @@ -434,7 +412,7 @@ ieee80211_add_tx_radiotap_header(struct ieee80211_local *local, #define HE_PREP(f, val) le16_encode_bits(val, IEEE80211_RADIOTAP_HE_##f) - he->data6 |= HE_PREP(DATA6_NSTS, status->rate->nss); + he->data6 |= HE_PREP(DATA6_NSTS, status_rate->rate_idx.nss); #define CHECK_GI(s) \ BUILD_BUG_ON(IEEE80211_RADIOTAP_HE_DATA5_GI_##s != \ @@ -444,12 +422,12 @@ ieee80211_add_tx_radiotap_header(struct ieee80211_local *local, CHECK_GI(1_6); CHECK_GI(3_2); - he->data3 |= HE_PREP(DATA3_DATA_MCS, status->rate->mcs); - he->data3 |= HE_PREP(DATA3_DATA_DCM, status->rate->he_dcm); + he->data3 |= HE_PREP(DATA3_DATA_MCS, status_rate->rate_idx.mcs); + he->data3 |= HE_PREP(DATA3_DATA_DCM, status_rate->rate_idx.he_dcm); - he->data5 |= HE_PREP(DATA5_GI, status->rate->he_gi); + he->data5 |= HE_PREP(DATA5_GI, status_rate->rate_idx.he_gi); - switch (status->rate->bw) { + switch (status_rate->rate_idx.bw) { case RATE_INFO_BW_20: he->data5 |= HE_PREP(DATA5_DATA_BW_RU_ALLOC, IEEE80211_RADIOTAP_HE_DATA5_DATA_BW_RU_ALLOC_20MHZ); @@ -480,16 +458,16 @@ ieee80211_add_tx_radiotap_header(struct ieee80211_local *local, CHECK_RU_ALLOC(2x996); he->data5 |= HE_PREP(DATA5_DATA_BW_RU_ALLOC, - status->rate->he_ru_alloc + 4); + status_rate->rate_idx.he_ru_alloc + 4); break; default: - WARN_ONCE(1, "Invalid SU BW %d\n", status->rate->bw); + WARN_ONCE(1, "Invalid SU BW %d\n", status_rate->rate_idx.bw); } pos += sizeof(struct ieee80211_radiotap_he); } - if ((status && status->rate) || info->status.rates[0].idx < 0) + if (status_rate || info->status.rates[0].idx < 0) return; /* IEEE80211_RADIOTAP_MCS @@ -594,6 +572,7 @@ static struct ieee80211_sub_if_data * ieee80211_sdata_from_skb(struct ieee80211_local *local, struct sk_buff *skb) { struct ieee80211_sub_if_data *sdata; + struct ieee80211_hdr *hdr = (void *)skb->data; if (skb->dev) { list_for_each_entry_rcu(sdata, &local->interfaces, list) { @@ -607,18 +586,36 @@ ieee80211_sdata_from_skb(struct ieee80211_local *local, struct sk_buff *skb) return NULL; } - return rcu_dereference(local->p2p_sdata); + list_for_each_entry_rcu(sdata, &local->interfaces, list) { + switch (sdata->vif.type) { + case NL80211_IFTYPE_P2P_DEVICE: + break; + case NL80211_IFTYPE_NAN: + if (sdata->u.nan.started) + break; + fallthrough; + default: + continue; + } + + if (ether_addr_equal(sdata->vif.addr, hdr->addr2)) + return sdata; + } + + return NULL; } static void ieee80211_report_ack_skb(struct ieee80211_local *local, - struct ieee80211_tx_info *info, - bool acked, bool dropped) + struct sk_buff *orig_skb, + bool acked, bool dropped, + ktime_t ack_hwtstamp) { + struct ieee80211_tx_info *info = IEEE80211_SKB_CB(orig_skb); struct sk_buff *skb; unsigned long flags; spin_lock_irqsave(&local->ack_status_lock, flags); - skb = idr_remove(&local->ack_status_frames, info->ack_frame_id); + skb = idr_remove(&local->ack_status_frames, info->status_data); spin_unlock_irqrestore(&local->ack_status_lock, flags); if (!skb) @@ -628,6 +625,21 @@ static void ieee80211_report_ack_skb(struct ieee80211_local *local, u64 cookie = IEEE80211_SKB_CB(skb)->ack.cookie; struct ieee80211_sub_if_data *sdata; struct ieee80211_hdr *hdr = (void *)skb->data; + bool is_valid_ack_signal = + !!(info->status.flags & IEEE80211_TX_STATUS_ACK_SIGNAL_VALID); + struct cfg80211_tx_status status = { + .cookie = cookie, + .buf = skb->data, + .len = skb->len, + .ack = acked, + }; + + if (ieee80211_is_timing_measurement(orig_skb) || + ieee80211_is_ftm(orig_skb)) { + status.tx_tstamp = + ktime_to_ns(skb_hwtstamps(orig_skb)->hwtstamp); + status.ack_tstamp = ktime_to_ns(ack_hwtstamp); + } rcu_read_lock(); sdata = ieee80211_sdata_from_skb(local, skb); @@ -644,12 +656,12 @@ static void ieee80211_report_ack_skb(struct ieee80211_local *local, cfg80211_probe_status(sdata->dev, hdr->addr1, cookie, acked, info->status.ack_signal, - info->status.is_valid_ack_signal, + is_valid_ack_signal, GFP_ATOMIC); else if (ieee80211_is_mgmt(hdr->frame_control)) - cfg80211_mgmt_tx_status(&sdata->wdev, cookie, - skb->data, skb->len, - acked, GFP_ATOMIC); + cfg80211_mgmt_tx_status_ext(&sdata->wdev, + &status, + GFP_ATOMIC); else pr_warn("Unknown status report in ack skb\n"); @@ -665,8 +677,62 @@ static void ieee80211_report_ack_skb(struct ieee80211_local *local, } } +static void ieee80211_handle_smps_status(struct ieee80211_sub_if_data *sdata, + bool acked, u16 status_data) +{ + u16 sub_data = u16_get_bits(status_data, IEEE80211_STATUS_SUBDATA_MASK); + enum ieee80211_smps_mode smps_mode = sub_data & 3; + int link_id = (sub_data >> 2); + struct ieee80211_link_data *link; + + if (!sdata || !ieee80211_sdata_running(sdata)) + return; + + if (!acked) + return; + + if (sdata->vif.type != NL80211_IFTYPE_STATION) + return; + + if (WARN(link_id >= ARRAY_SIZE(sdata->link), + "bad SMPS status link: %d\n", link_id)) + return; + + link = rcu_dereference(sdata->link[link_id]); + if (!link) + return; + + /* + * This update looks racy, but isn't, the only other place + * updating this variable is in managed mode before assoc, + * and we have to be associated to have a status from the + * action frame TX, since we cannot send it while we're not + * associated yet. + */ + link->smps_mode = smps_mode; + wiphy_work_queue(sdata->local->hw.wiphy, &link->u.mgd.recalc_smps); +} + +static void +ieee80211_handle_teardown_ttlm_status(struct ieee80211_sub_if_data *sdata, + bool acked) +{ + if (!sdata || !ieee80211_sdata_running(sdata)) + return; + + if (!acked) + return; + + if (sdata->vif.type != NL80211_IFTYPE_STATION) + return; + + wiphy_work_queue(sdata->local->hw.wiphy, + &sdata->u.mgd.teardown_ttlm_work); +} + static void ieee80211_report_used_skb(struct ieee80211_local *local, - struct sk_buff *skb, bool dropped) + struct sk_buff *skb, bool dropped, + ktime_t ack_hwtstamp) { struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); u16 tx_time_est = ieee80211_info_get_tx_time_est(info); @@ -698,13 +764,10 @@ static void ieee80211_report_used_skb(struct ieee80211_local *local, if (!sdata) { skb->dev = NULL; - } else { - unsigned int hdr_size = - ieee80211_hdrlen(hdr->frame_control); - + } else if (!dropped) { /* Check to see if packet is a TDLS teardown packet */ if (ieee80211_is_data(hdr->frame_control) && - (ieee80211_get_tdls_action(skb, hdr_size) == + (ieee80211_get_tdls_action(skb) == WLAN_TDLS_TEARDOWN)) { ieee80211_tdls_td_tx_handle(local, sdata, skb, info->flags); @@ -716,8 +779,8 @@ static void ieee80211_report_used_skb(struct ieee80211_local *local, if (qskb) { skb_queue_tail(&sdata->status_queue, qskb); - ieee80211_queue_work(&local->hw, - &sdata->work); + wiphy_work_queue(local->hw.wiphy, + &sdata->work); } } } else { @@ -728,8 +791,27 @@ static void ieee80211_report_used_skb(struct ieee80211_local *local, } rcu_read_unlock(); - } else if (info->ack_frame_id) { - ieee80211_report_ack_skb(local, info, acked, dropped); + } else if (info->status_data_idr) { + ieee80211_report_ack_skb(local, skb, acked, dropped, + ack_hwtstamp); + } else if (info->status_data) { + struct ieee80211_sub_if_data *sdata; + + rcu_read_lock(); + + sdata = ieee80211_sdata_from_skb(local, skb); + + switch (u16_get_bits(info->status_data, + IEEE80211_STATUS_TYPE_MASK)) { + case IEEE80211_STATUS_TYPE_SMPS: + ieee80211_handle_smps_status(sdata, acked, + info->status_data); + break; + case IEEE80211_STATUS_TYPE_NEG_TTLM: + ieee80211_handle_teardown_ttlm_status(sdata, acked); + break; + } + rcu_read_unlock(); } if (!dropped && skb->destructor) { @@ -754,7 +836,6 @@ static void ieee80211_report_used_skb(struct ieee80211_local *local, */ #define STA_LOST_PKT_THRESHOLD 50 #define STA_LOST_PKT_TIME HZ /* 1 sec since last ACK */ -#define STA_LOST_TDLS_PKT_THRESHOLD 10 #define STA_LOST_TDLS_PKT_TIME (10*HZ) /* 10secs since last ACK */ static void ieee80211_lost_packet(struct sta_info *sta, @@ -774,26 +855,27 @@ static void ieee80211_lost_packet(struct sta_info *sta, !(info->flags & IEEE80211_TX_STAT_AMPDU)) return; - sta->status_stats.lost_packets++; + sta->deflink.status_stats.lost_packets++; if (sta->sta.tdls) { pkt_time = STA_LOST_TDLS_PKT_TIME; pkt_thr = STA_LOST_PKT_THRESHOLD; } /* - * If we're in TDLS mode, make sure that all STA_LOST_TDLS_PKT_THRESHOLD + * If we're in TDLS mode, make sure that all STA_LOST_PKT_THRESHOLD * of the last packets were lost, and that no ACK was received in the * last STA_LOST_TDLS_PKT_TIME ms, before triggering the CQM packet-loss * mechanism. * For non-TDLS, use STA_LOST_PKT_THRESHOLD and STA_LOST_PKT_TIME */ - if (sta->status_stats.lost_packets < pkt_thr || - !time_after(jiffies, sta->status_stats.last_pkt_time + pkt_time)) + if (sta->deflink.status_stats.lost_packets < pkt_thr || + !time_after(jiffies, sta->deflink.status_stats.last_pkt_time + pkt_time)) return; cfg80211_cqm_pktloss_notify(sta->sdata->dev, sta->sta.addr, - sta->status_stats.lost_packets, GFP_ATOMIC); - sta->status_stats.lost_packets = 0; + sta->deflink.status_stats.lost_packets, + GFP_ATOMIC); + sta->deflink.status_stats.lost_packets = 0; } static int ieee80211_tx_get_rates(struct ieee80211_hw *hw, @@ -830,9 +912,7 @@ static int ieee80211_tx_get_rates(struct ieee80211_hw *hw, } void ieee80211_tx_monitor(struct ieee80211_local *local, struct sk_buff *skb, - struct ieee80211_supported_band *sband, - int retry_count, int shift, bool send_to_cooked, - struct ieee80211_tx_status *status) + int retry_count, struct ieee80211_tx_status *status) { struct sk_buff *skb2; struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); @@ -847,8 +927,8 @@ void ieee80211_tx_monitor(struct ieee80211_local *local, struct sk_buff *skb, dev_kfree_skb(skb); return; } - ieee80211_add_tx_radiotap_header(local, sband, skb, retry_count, - rtap_len, shift, status); + ieee80211_add_tx_radiotap_header(local, skb, retry_count, + rtap_len, status); /* XXX: is this sufficient for BPF? */ skb_reset_mac_header(skb); @@ -863,8 +943,7 @@ void ieee80211_tx_monitor(struct ieee80211_local *local, struct sk_buff *skb, if (!ieee80211_sdata_running(sdata)) continue; - if ((sdata->u.mntr.flags & MONITOR_FLAG_COOK_FRAMES) && - !send_to_cooked) + if (sdata->u.mntr.flags & MONITOR_FLAG_SKIP_TX) continue; if (prev_dev) { @@ -897,20 +976,15 @@ static void __ieee80211_tx_status(struct ieee80211_hw *hw, struct ieee80211_tx_info *info = status->info; struct sta_info *sta; __le16 fc; - struct ieee80211_supported_band *sband; - bool send_to_cooked; bool acked; bool noack_success; struct ieee80211_bar *bar; - int shift = 0; int tid = IEEE80211_NUM_TIDS; - sband = local->hw.wiphy->bands[info->band]; fc = hdr->frame_control; if (status->sta) { sta = container_of(status->sta, struct sta_info, sta); - shift = ieee80211_vif_get_shift(&sta->sdata->vif); if (info->flags & IEEE80211_TX_STATUS_EOSP) clear_sta_flag(sta, WLAN_STA_SP); @@ -928,7 +1002,7 @@ static void __ieee80211_tx_status(struct ieee80211_hw *hw, if (ieee80211_hw_check(&local->hw, HAS_RATE_CONTROL) && (ieee80211_is_data(hdr->frame_control)) && (rates_idx != -1)) - sta->tx_stats.last_rate = + sta->deflink.tx_stats.last_rate = info->status.rates[rates_idx]; if ((info->flags & IEEE80211_TX_STAT_AMPDU_NO_BACK) && @@ -974,34 +1048,15 @@ static void __ieee80211_tx_status(struct ieee80211_hw *hw, return; } else if (ieee80211_is_data_present(fc)) { if (!acked && !noack_success) - sta->status_stats.msdu_failed[tid]++; + sta->deflink.status_stats.msdu_failed[tid]++; - sta->status_stats.msdu_retries[tid] += + sta->deflink.status_stats.msdu_retries[tid] += retry_count; } if (!(info->flags & IEEE80211_TX_CTL_INJECTED) && acked) ieee80211_frame_acked(sta, skb); - } else if (wiphy_ext_feature_isset(local->hw.wiphy, - NL80211_EXT_FEATURE_AIRTIME_FAIRNESS)) { - struct ieee80211_sub_if_data *sdata; - struct ieee80211_txq *txq; - u32 airtime; - - /* Account airtime to multicast queue */ - sdata = ieee80211_sdata_from_skb(local, skb); - - if (sdata && (txq = sdata->vif.txq)) { - airtime = info->status.tx_time ?: - ieee80211_calc_expected_tx_airtime(hw, - &sdata->vif, - NULL, - skb->len, - false); - - ieee80211_register_airtime(txq, airtime, 0); - } } /* SNMP counters @@ -1045,33 +1100,21 @@ static void __ieee80211_tx_status(struct ieee80211_hw *hw, jiffies + msecs_to_jiffies(10)); } - ieee80211_report_used_skb(local, skb, false); - - /* this was a transmitted frame, but now we want to reuse it */ - skb_orphan(skb); - - /* Need to make a copy before skb->cb gets cleared */ - send_to_cooked = !!(info->flags & IEEE80211_TX_CTL_INJECTED) || - !(ieee80211_is_data(fc)); + ieee80211_report_used_skb(local, skb, false, status->ack_hwtstamp); /* * This is a bit racy but we can avoid a lot of work * with this test... */ - if (!local->monitors && (!send_to_cooked || !local->cooked_mntrs)) { - if (status->free_list) - list_add_tail(&skb->list, status->free_list); - else - dev_kfree_skb(skb); - return; - } - - /* send to monitor interfaces */ - ieee80211_tx_monitor(local, skb, sband, retry_count, shift, - send_to_cooked, status); + if (local->tx_mntrs) + ieee80211_tx_monitor(local, skb, retry_count, status); + else if (status->free_list) + list_add_tail(&skb->list, status->free_list); + else + dev_kfree_skb(skb); } -void ieee80211_tx_status(struct ieee80211_hw *hw, struct sk_buff *skb) +void ieee80211_tx_status_skb(struct ieee80211_hw *hw, struct sk_buff *skb) { struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data; struct ieee80211_local *local = hw_to_local(hw); @@ -1090,7 +1133,7 @@ void ieee80211_tx_status(struct ieee80211_hw *hw, struct sk_buff *skb) ieee80211_tx_status_ext(hw, &status); rcu_read_unlock(); } -EXPORT_SYMBOL(ieee80211_tx_status); +EXPORT_SYMBOL(ieee80211_tx_status_skb); void ieee80211_tx_status_ext(struct ieee80211_hw *hw, struct ieee80211_tx_status *status) @@ -1099,17 +1142,17 @@ void ieee80211_tx_status_ext(struct ieee80211_hw *hw, struct ieee80211_tx_info *info = status->info; struct ieee80211_sta *pubsta = status->sta; struct sk_buff *skb = status->skb; - struct ieee80211_supported_band *sband; struct sta_info *sta = NULL; int rates_idx, retry_count; - bool acked, noack_success; + bool acked, noack_success, ack_signal_valid; u16 tx_time_est; if (pubsta) { sta = container_of(pubsta, struct sta_info, sta); - if (status->rate) - sta->tx_stats.last_rate_info = *status->rate; + if (status->n_rates) + sta->deflink.tx_stats.last_rate_info = + status->rates[status->n_rates - 1].rate_idx; } if (skb && (tx_time_est = @@ -1129,17 +1172,17 @@ void ieee80211_tx_status_ext(struct ieee80211_hw *hw, rates_idx = ieee80211_tx_get_rates(hw, info, &retry_count); - sband = hw->wiphy->bands[info->band]; - acked = !!(info->flags & IEEE80211_TX_STAT_ACK); noack_success = !!(info->flags & IEEE80211_TX_STAT_NOACK_TRANSMITTED); + ack_signal_valid = + !!(info->status.flags & IEEE80211_TX_STATUS_ACK_SIGNAL_VALID); if (pubsta) { struct ieee80211_sub_if_data *sdata = sta->sdata; if (!acked && !noack_success) - sta->status_stats.retry_failed++; - sta->status_stats.retry_count += retry_count; + sta->deflink.status_stats.retry_failed++; + sta->deflink.status_stats.retry_count += retry_count; if (ieee80211_hw_check(&local->hw, REPORTS_TX_ACK_STATUS)) { if (sdata->vif.type == NL80211_IFTYPE_STATION && @@ -1148,24 +1191,24 @@ void ieee80211_tx_status_ext(struct ieee80211_hw *hw, acked, info->status.tx_time); if (acked) { - sta->status_stats.last_ack = jiffies; + sta->deflink.status_stats.last_ack = jiffies; - if (sta->status_stats.lost_packets) - sta->status_stats.lost_packets = 0; + if (sta->deflink.status_stats.lost_packets) + sta->deflink.status_stats.lost_packets = 0; /* Track when last packet was ACKed */ - sta->status_stats.last_pkt_time = jiffies; + sta->deflink.status_stats.last_pkt_time = jiffies; /* Reset connection monitor */ if (sdata->vif.type == NL80211_IFTYPE_STATION && unlikely(sdata->u.mgd.probe_send_count > 0)) sdata->u.mgd.probe_send_count = 0; - if (info->status.is_valid_ack_signal) { - sta->status_stats.last_ack_signal = + if (ack_signal_valid) { + sta->deflink.status_stats.last_ack_signal = (s8)info->status.ack_signal; - sta->status_stats.ack_signal_filled = true; - ewma_avg_signal_add(&sta->status_stats.avg_ack_signal, + sta->deflink.status_stats.ack_signal_filled = true; + ewma_avg_signal_add(&sta->deflink.status_stats.avg_ack_signal, -info->status.ack_signal); } } else if (test_sta_flag(sta, WLAN_STA_PS_STA)) { @@ -1183,7 +1226,7 @@ void ieee80211_tx_status_ext(struct ieee80211_hw *hw, } } - rate_control_tx_status(local, sband, status); + rate_control_tx_status(local, status); if (ieee80211_vif_is_mesh(&sta->sdata->vif)) ieee80211s_update_metric(local, sta, status); } @@ -1208,7 +1251,7 @@ free: if (!skb) return; - ieee80211_report_used_skb(local, skb, false); + ieee80211_report_used_skb(local, skb, false, status->ack_hwtstamp); if (status->free_list) list_add_tail(&skb->list, status->free_list); else @@ -1221,44 +1264,19 @@ void ieee80211_tx_rate_update(struct ieee80211_hw *hw, struct ieee80211_tx_info *info) { struct ieee80211_local *local = hw_to_local(hw); - struct ieee80211_supported_band *sband = hw->wiphy->bands[info->band]; struct sta_info *sta = container_of(pubsta, struct sta_info, sta); struct ieee80211_tx_status status = { .info = info, .sta = pubsta, }; - rate_control_tx_status(local, sband, &status); + rate_control_tx_status(local, &status); if (ieee80211_hw_check(&local->hw, HAS_RATE_CONTROL)) - sta->tx_stats.last_rate = info->status.rates[0]; + sta->deflink.tx_stats.last_rate = info->status.rates[0]; } EXPORT_SYMBOL(ieee80211_tx_rate_update); -void ieee80211_tx_status_8023(struct ieee80211_hw *hw, - struct ieee80211_vif *vif, - struct sk_buff *skb) -{ - struct ieee80211_sub_if_data *sdata; - struct ieee80211_tx_status status = { - .skb = skb, - .info = IEEE80211_SKB_CB(skb), - }; - struct sta_info *sta; - - sdata = vif_to_sdata(vif); - - rcu_read_lock(); - - if (!ieee80211_lookup_ra_sta(sdata, skb, &sta) && !IS_ERR(sta)) - status.sta = &sta->sta; - - ieee80211_tx_status_ext(hw, &status); - - rcu_read_unlock(); -} -EXPORT_SYMBOL(ieee80211_tx_status_8023); - void ieee80211_report_low_ack(struct ieee80211_sta *pubsta, u32 num_packets) { struct sta_info *sta = container_of(pubsta, struct sta_info, sta); @@ -1270,8 +1288,9 @@ EXPORT_SYMBOL(ieee80211_report_low_ack); void ieee80211_free_txskb(struct ieee80211_hw *hw, struct sk_buff *skb) { struct ieee80211_local *local = hw_to_local(hw); + ktime_t kt = ktime_set(0, 0); - ieee80211_report_used_skb(local, skb, true); + ieee80211_report_used_skb(local, skb, true, kt); dev_kfree_skb_any(skb); } EXPORT_SYMBOL(ieee80211_free_txskb); @@ -1284,3 +1303,4 @@ void ieee80211_purge_tx_queue(struct ieee80211_hw *hw, while ((skb = __skb_dequeue(skbs))) ieee80211_free_txskb(hw, skb); } +EXPORT_SYMBOL(ieee80211_purge_tx_queue); |
