spin_unlock_bh(&ar->data_lock);
}
+/* Note: called under rcu_read_lock() */
+static void ath12k_mlo_mcast_update_tx_link_address(struct ieee80211_vif *vif,
+ u8 link_id, struct sk_buff *skb,
+ u32 info_flags)
+{
+ struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
+ struct ieee80211_bss_conf *bss_conf;
+
+ if (info_flags & IEEE80211_TX_CTL_HW_80211_ENCAP)
+ return;
+
+ bss_conf = rcu_dereference(vif->link_conf[link_id]);
+ if (bss_conf)
+ ether_addr_copy(hdr->addr2, bss_conf->addr);
+}
+
/* Note: called under rcu_read_lock() */
static u8 ath12k_mac_get_tx_link(struct ieee80211_sta *sta, struct ieee80211_vif *vif,
u8 link, struct sk_buff *skb, u32 info_flags)
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
struct ieee80211_key_conf *key = info->control.hw_key;
struct ieee80211_sta *sta = control->sta;
+ struct ath12k_link_vif *tmp_arvif;
u32 info_flags = info->flags;
- struct ath12k *ar;
+ struct sk_buff *msdu_copied;
+ struct ath12k *ar, *tmp_ar;
+ struct ath12k_peer *peer;
+ unsigned long links_map;
+ bool is_mcast = false;
+ struct ethhdr *eth;
bool is_prb_rsp;
+ u16 mcbc_gsn;
u8 link_id;
int ret;
is_prb_rsp = ieee80211_is_probe_resp(hdr->frame_control);
if (info_flags & IEEE80211_TX_CTL_HW_80211_ENCAP) {
+ eth = (struct ethhdr *)skb->data;
+ is_mcast = is_multicast_ether_addr(eth->h_dest);
+
skb_cb->flags |= ATH12K_SKB_HW_80211_ENCAP;
} else if (ieee80211_is_mgmt(hdr->frame_control)) {
ret = ath12k_mac_mgmt_tx(ar, skb, is_prb_rsp);
return;
}
+ if (!(info_flags & IEEE80211_TX_CTL_HW_80211_ENCAP))
+ is_mcast = is_multicast_ether_addr(hdr->addr1);
+
/* This is case only for P2P_GO */
if (vif->type == NL80211_IFTYPE_AP && vif->p2p)
ath12k_mac_add_p2p_noa_ie(ar, vif, skb, is_prb_rsp);
- ret = ath12k_dp_tx(ar, arvif, skb);
- if (ret) {
- ath12k_warn(ar->ab, "failed to transmit frame %d\n", ret);
- ieee80211_free_txskb(hw, skb);
+ if (!vif->valid_links || !is_mcast ||
+ test_bit(ATH12K_FLAG_RAW_MODE, &ar->ab->dev_flags)) {
+ ret = ath12k_dp_tx(ar, arvif, skb, false, 0);
+ if (unlikely(ret)) {
+ ath12k_warn(ar->ab, "failed to transmit frame %d\n", ret);
+ ieee80211_free_txskb(ar->ah->hw, skb);
+ return;
+ }
+ } else {
+ mcbc_gsn = atomic_inc_return(&ahvif->mcbc_gsn) & 0xfff;
+
+ links_map = ahvif->links_map;
+ for_each_set_bit(link_id, &links_map,
+ IEEE80211_MLD_MAX_NUM_LINKS) {
+ tmp_arvif = rcu_dereference(ahvif->link[link_id]);
+ if (!tmp_arvif || !tmp_arvif->is_up)
+ continue;
+
+ tmp_ar = tmp_arvif->ar;
+ msdu_copied = skb_copy(skb, GFP_ATOMIC);
+ if (!msdu_copied) {
+ ath12k_err(ar->ab,
+ "skb copy failure link_id 0x%X vdevid 0x%X\n",
+ link_id, tmp_arvif->vdev_id);
+ continue;
+ }
+
+ ath12k_mlo_mcast_update_tx_link_address(vif, link_id,
+ msdu_copied,
+ info_flags);
+
+ skb_cb = ATH12K_SKB_CB(msdu_copied);
+ info = IEEE80211_SKB_CB(msdu_copied);
+ skb_cb->link_id = link_id;
+
+ /* For open mode, skip peer find logic */
+ if (unlikely(ahvif->key_cipher == WMI_CIPHER_NONE))
+ goto skip_peer_find;
+
+ spin_lock_bh(&tmp_ar->ab->base_lock);
+ peer = ath12k_peer_find_by_addr(tmp_ar->ab, tmp_arvif->bssid);
+ if (!peer) {
+ spin_unlock_bh(&tmp_ar->ab->base_lock);
+ ath12k_warn(tmp_ar->ab,
+ "failed to find peer for vdev_id 0x%X addr %pM link_map 0x%X\n",
+ tmp_arvif->vdev_id, tmp_arvif->bssid,
+ ahvif->links_map);
+ dev_kfree_skb_any(msdu_copied);
+ continue;
+ }
+
+ key = peer->keys[peer->mcast_keyidx];
+ if (key) {
+ skb_cb->cipher = key->cipher;
+ skb_cb->flags |= ATH12K_SKB_CIPHER_SET;
+ info->control.hw_key = key;
+
+ hdr = (struct ieee80211_hdr *)msdu_copied->data;
+ if (!ieee80211_has_protected(hdr->frame_control))
+ hdr->frame_control |=
+ cpu_to_le16(IEEE80211_FCTL_PROTECTED);
+ }
+ spin_unlock_bh(&tmp_ar->ab->base_lock);
+
+skip_peer_find:
+ ret = ath12k_dp_tx(tmp_ar, tmp_arvif,
+ msdu_copied, true, mcbc_gsn);
+ if (unlikely(ret)) {
+ if (ret == -ENOMEM) {
+ /* Drops are expected during heavy multicast
+ * frame flood. Print with debug log
+ * level to avoid lot of console prints
+ */
+ ath12k_dbg(ar->ab, ATH12K_DBG_MAC,
+ "failed to transmit frame %d\n",
+ ret);
+ } else {
+ ath12k_warn(ar->ab,
+ "failed to transmit frame %d\n",
+ ret);
+ }
+
+ dev_kfree_skb_any(msdu_copied);
+ }
+ }
+ ieee80211_free_txskb(ar->ah->hw, skb);
}
}
ath12k_iftypes_ext_capa[2].eml_capabilities = cap->eml_cap;
ath12k_iftypes_ext_capa[2].mld_capa_and_ops = cap->mld_cap;
wiphy->flags |= WIPHY_FLAG_SUPPORTS_MLO;
+
+ ieee80211_hw_set(hw, MLO_MCAST_MULTI_LINK_TX);
}
hw->queues = ATH12K_HW_MAX_QUEUES;