diff options
author | David S. Miller <davem@davemloft.net> | 2019-04-26 16:05:52 -0400 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2019-04-26 16:05:52 -0400 |
commit | 30e5a9a5ba853b896250f0665a2e10bbafa2f6bc (patch) | |
tree | 31f4be512bc417c03f7479d6c69d24f50ecfb00b /net/mac80211/tx.c | |
parent | 148f025d41a8bf8fe7e72d1a86024b5e4d25f224 (diff) | |
parent | 8828f81ad4a2f4e89ebe6e7793c06ed767c31d53 (diff) | |
download | linux-30e5a9a5ba853b896250f0665a2e10bbafa2f6bc.tar.gz |
Merge tag 'mac80211-next-for-davem-2019-04-26' of git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next
Johannes Berg says:
====================
Various updates, notably:
* extended key ID support (from 802.11-2016)
* per-STA TX power control support
* mac80211 TX performance improvements
* HE (802.11ax) updates
* mesh link probing support
* enhancements of multi-BSSID support (also related to HE)
* OWE userspace processing support
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/mac80211/tx.c')
-rw-r--r-- | net/mac80211/tx.c | 113 |
1 files changed, 88 insertions, 25 deletions
diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c index 2e816dd67be7..dd220b977025 100644 --- a/net/mac80211/tx.c +++ b/net/mac80211/tx.c @@ -1399,11 +1399,15 @@ static void ieee80211_txq_enqueue(struct ieee80211_local *local, { struct fq *fq = &local->fq; struct fq_tin *tin = &txqi->tin; + u32 flow_idx = fq_flow_idx(fq, skb); ieee80211_set_skb_enqueue_time(skb); - fq_tin_enqueue(fq, tin, skb, + + spin_lock_bh(&fq->lock); + fq_tin_enqueue(fq, tin, flow_idx, skb, fq_skb_free_func, fq_flow_get_default_func); + spin_unlock_bh(&fq->lock); } static bool fq_vlan_filter_func(struct fq *fq, struct fq_tin *tin, @@ -1590,7 +1594,6 @@ static bool ieee80211_queue_skb(struct ieee80211_local *local, struct sta_info *sta, struct sk_buff *skb) { - struct fq *fq = &local->fq; struct ieee80211_vif *vif; struct txq_info *txqi; @@ -1608,9 +1611,7 @@ static bool ieee80211_queue_skb(struct ieee80211_local *local, if (!txqi) return false; - spin_lock_bh(&fq->lock); ieee80211_txq_enqueue(local, txqi, skb); - spin_unlock_bh(&fq->lock); schedule_and_wake_txq(local, txqi); @@ -2431,6 +2432,7 @@ static int ieee80211_lookup_ra_sta(struct ieee80211_sub_if_data *sdata, * @sdata: virtual interface to build the header for * @skb: the skb to build the header in * @info_flags: skb flags to set + * @ctrl_flags: info control flags to set * * This function takes the skb with 802.3 header and reformats the header to * the appropriate IEEE 802.11 header based on which interface the packet is @@ -2446,7 +2448,7 @@ static int ieee80211_lookup_ra_sta(struct ieee80211_sub_if_data *sdata, */ static struct sk_buff *ieee80211_build_hdr(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb, u32 info_flags, - struct sta_info *sta) + struct sta_info *sta, u32 ctrl_flags) { struct ieee80211_local *local = sdata->local; struct ieee80211_tx_info *info; @@ -2470,6 +2472,11 @@ static struct sk_buff *ieee80211_build_hdr(struct ieee80211_sub_if_data *sdata, if (IS_ERR(sta)) sta = NULL; +#ifdef CONFIG_MAC80211_DEBUGFS + if (local->force_tx_status) + info_flags |= IEEE80211_TX_CTL_REQ_TX_STATUS; +#endif + /* convert Ethernet header to proper 802.11 header (based on * operation mode) */ ethertype = (skb->data[12] << 8) | skb->data[13]; @@ -2600,6 +2607,13 @@ static struct sk_buff *ieee80211_build_hdr(struct ieee80211_sub_if_data *sdata, goto free; } band = chanctx_conf->def.chan->band; + + /* For injected frames, fill RA right away as nexthop lookup + * will be skipped. + */ + if ((ctrl_flags & IEEE80211_TX_CTRL_SKIP_MPATH_LOOKUP) && + is_zero_ether_addr(hdr.addr1)) + memcpy(hdr.addr1, skb->data, ETH_ALEN); break; #endif case NL80211_IFTYPE_STATION: @@ -2818,6 +2832,7 @@ static struct sk_buff *ieee80211_build_hdr(struct ieee80211_sub_if_data *sdata, info->flags = info_flags; info->ack_frame_id = info_id; info->band = band; + info->control.flags = ctrl_flags; return skb; free: @@ -3000,23 +3015,15 @@ void ieee80211_check_fast_xmit(struct sta_info *sta) switch (build.key->conf.cipher) { case WLAN_CIPHER_SUITE_CCMP: case WLAN_CIPHER_SUITE_CCMP_256: - /* add fixed key ID */ - if (gen_iv) { - (build.hdr + build.hdr_len)[3] = - 0x20 | (build.key->conf.keyidx << 6); + if (gen_iv) build.pn_offs = build.hdr_len; - } if (gen_iv || iv_spc) build.hdr_len += IEEE80211_CCMP_HDR_LEN; break; case WLAN_CIPHER_SUITE_GCMP: case WLAN_CIPHER_SUITE_GCMP_256: - /* add fixed key ID */ - if (gen_iv) { - (build.hdr + build.hdr_len)[3] = - 0x20 | (build.key->conf.keyidx << 6); + if (gen_iv) build.pn_offs = build.hdr_len; - } if (gen_iv || iv_spc) build.hdr_len += IEEE80211_GCMP_HDR_LEN; break; @@ -3222,6 +3229,7 @@ static bool ieee80211_amsdu_aggregate(struct ieee80211_sub_if_data *sdata, int max_frags = local->hw.max_tx_fragments; int max_amsdu_len = sta->sta.max_amsdu_len; int orig_truesize; + u32 flow_idx; __be16 len; void *data; bool ret = false; @@ -3250,6 +3258,8 @@ static bool ieee80211_amsdu_aggregate(struct ieee80211_sub_if_data *sdata, max_amsdu_len = min_t(int, max_amsdu_len, sta->sta.max_tid_amsdu_len[tid]); + flow_idx = fq_flow_idx(fq, skb); + spin_lock_bh(&fq->lock); /* TODO: Ideally aggregation should be done on dequeue to remain @@ -3257,7 +3267,8 @@ static bool ieee80211_amsdu_aggregate(struct ieee80211_sub_if_data *sdata, */ tin = &txqi->tin; - flow = fq_flow_classify(fq, tin, skb, fq_flow_get_default_func); + flow = fq_flow_classify(fq, tin, flow_idx, skb, + fq_flow_get_default_func); head = skb_peek_tail(&flow->queue); if (!head || skb_is_gso(head)) goto out; @@ -3386,6 +3397,7 @@ static void ieee80211_xmit_fast_finish(struct ieee80211_sub_if_data *sdata, pn = atomic64_inc_return(&key->conf.tx_pn); crypto_hdr[0] = pn; crypto_hdr[1] = pn >> 8; + crypto_hdr[3] = 0x20 | (key->conf.keyidx << 6); crypto_hdr[4] = pn >> 16; crypto_hdr[5] = pn >> 24; crypto_hdr[6] = pn >> 32; @@ -3478,6 +3490,11 @@ static bool ieee80211_xmit_fast(struct ieee80211_sub_if_data *sdata, (tid_tx ? IEEE80211_TX_CTL_AMPDU : 0); info->control.flags = IEEE80211_TX_CTRL_FAST_XMIT; +#ifdef CONFIG_MAC80211_DEBUGFS + if (local->force_tx_status) + info->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS; +#endif + if (hdr->frame_control & cpu_to_le16(IEEE80211_STYPE_QOS_DATA)) { tid = skb->priority & IEEE80211_QOS_CTL_TAG1D_MASK; *ieee80211_get_qos_ctl(hdr) = tid; @@ -3533,6 +3550,7 @@ struct sk_buff *ieee80211_tx_dequeue(struct ieee80211_hw *hw, ieee80211_tx_result r; struct ieee80211_vif *vif = txq->vif; +begin: spin_lock_bh(&fq->lock); if (test_bit(IEEE80211_TXQ_STOP, &txqi->flags) || @@ -3549,11 +3567,12 @@ struct sk_buff *ieee80211_tx_dequeue(struct ieee80211_hw *hw, if (skb) goto out; -begin: skb = fq_tin_dequeue(fq, tin, fq_tin_dequeue_func); if (!skb) goto out; + spin_unlock_bh(&fq->lock); + hdr = (struct ieee80211_hdr *)skb->data; info = IEEE80211_SKB_CB(skb); @@ -3598,8 +3617,11 @@ begin: skb = __skb_dequeue(&tx.skbs); - if (!skb_queue_empty(&tx.skbs)) + if (!skb_queue_empty(&tx.skbs)) { + spin_lock_bh(&fq->lock); skb_queue_splice_tail(&tx.skbs, &txqi->frags); + spin_unlock_bh(&fq->lock); + } } if (skb_has_frag_list(skb) && @@ -3638,6 +3660,7 @@ begin: } IEEE80211_SKB_CB(skb)->control.vif = vif; + return skb; out: spin_unlock_bh(&fq->lock); @@ -3783,9 +3806,11 @@ EXPORT_SYMBOL(ieee80211_txq_schedule_start); void __ieee80211_subif_start_xmit(struct sk_buff *skb, struct net_device *dev, - u32 info_flags) + u32 info_flags, + u32 ctrl_flags) { struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); + struct ieee80211_local *local = sdata->local; struct sta_info *sta; struct sk_buff *next; @@ -3799,7 +3824,15 @@ void __ieee80211_subif_start_xmit(struct sk_buff *skb, if (ieee80211_lookup_ra_sta(sdata, skb, &sta)) goto out_free; - if (!IS_ERR_OR_NULL(sta)) { + if (IS_ERR(sta)) + sta = NULL; + + if (local->ops->wake_tx_queue) { + u16 queue = __ieee80211_select_queue(sdata, sta, skb); + skb_set_queue_mapping(skb, queue); + } + + if (sta) { struct ieee80211_fast_tx *fast_tx; sk_pacing_shift_update(skb->sk, sdata->local->hw.tx_sk_pacing_shift); @@ -3848,7 +3881,8 @@ void __ieee80211_subif_start_xmit(struct sk_buff *skb, skb->prev = NULL; skb->next = NULL; - skb = ieee80211_build_hdr(sdata, skb, info_flags, sta); + skb = ieee80211_build_hdr(sdata, skb, info_flags, + sta, ctrl_flags); if (IS_ERR(skb)) goto out; @@ -3988,9 +4022,9 @@ netdev_tx_t ieee80211_subif_start_xmit(struct sk_buff *skb, __skb_queue_head_init(&queue); ieee80211_convert_to_unicast(skb, dev, &queue); while ((skb = __skb_dequeue(&queue))) - __ieee80211_subif_start_xmit(skb, dev, 0); + __ieee80211_subif_start_xmit(skb, dev, 0, 0); } else { - __ieee80211_subif_start_xmit(skb, dev, 0); + __ieee80211_subif_start_xmit(skb, dev, 0, 0); } return NETDEV_TX_OK; @@ -4015,7 +4049,7 @@ ieee80211_build_data_template(struct ieee80211_sub_if_data *sdata, goto out; } - skb = ieee80211_build_hdr(sdata, skb, info_flags, sta); + skb = ieee80211_build_hdr(sdata, skb, info_flags, sta, 0); if (IS_ERR(skb)) goto out; @@ -5052,7 +5086,36 @@ int ieee80211_tx_control_port(struct wiphy *wiphy, struct net_device *dev, skb_reset_mac_header(skb); local_bh_disable(); - __ieee80211_subif_start_xmit(skb, skb->dev, flags); + __ieee80211_subif_start_xmit(skb, skb->dev, flags, 0); + local_bh_enable(); + + return 0; +} + +int ieee80211_probe_mesh_link(struct wiphy *wiphy, struct net_device *dev, + const u8 *buf, size_t len) +{ + struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); + struct ieee80211_local *local = sdata->local; + struct sk_buff *skb; + + skb = dev_alloc_skb(local->hw.extra_tx_headroom + len + + 30 + /* header size */ + 18); /* 11s header size */ + if (!skb) + return -ENOMEM; + + skb_reserve(skb, local->hw.extra_tx_headroom); + skb_put_data(skb, buf, len); + + skb->dev = dev; + skb->protocol = htons(ETH_P_802_3); + skb_reset_network_header(skb); + skb_reset_mac_header(skb); + + local_bh_disable(); + __ieee80211_subif_start_xmit(skb, skb->dev, 0, + IEEE80211_TX_CTRL_SKIP_MPATH_LOOKUP); local_bh_enable(); return 0; |