Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next

Pull networking updates from David Miller:

 1) Support IPV6 RA Captive Portal Identifier, from Maciej Żenczykowski.

 2) Use bio_vec in the networking instead of custom skb_frag_t, from
    Matthew Wilcox.

 3) Make use of xmit_more in r8169 driver, from Heiner Kallweit.

 4) Add devmap_hash to xdp, from Toke Høiland-Jørgensen.

 5) Support all variants of 5750X bnxt_en chips, from Michael Chan.

 6) More RTNL avoidance work in the core and mlx5 driver, from Vlad
    Buslov.

 7) Add TCP syn cookies bpf helper, from Petar Penkov.

 8) Add 'nettest' to selftests and use it, from David Ahern.

 9) Add extack support to drop_monitor, add packet alert mode and
    support for HW drops, from Ido Schimmel.

10) Add VLAN offload to stmmac, from Jose Abreu.

11) Lots of devm_platform_ioremap_resource() conversions, from
    YueHaibing.

12) Add IONIC driver, from Shannon Nelson.

13) Several kTLS cleanups, from Jakub Kicinski.

* git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next: (1930 commits)
  mlxsw: spectrum_buffers: Add the ability to query the CPU port's shared buffer
  mlxsw: spectrum: Register CPU port with devlink
  mlxsw: spectrum_buffers: Prevent changing CPU port's configuration
  net: ena: fix incorrect update of intr_delay_resolution
  net: ena: fix retrieval of nonadaptive interrupt moderation intervals
  net: ena: fix update of interrupt moderation register
  net: ena: remove all old adaptive rx interrupt moderation code from ena_com
  net: ena: remove ena_restore_ethtool_params() and relevant fields
  net: ena: remove old adaptive interrupt moderation code from ena_netdev
  net: ena: remove code duplication in ena_com_update_nonadaptive_moderation_interval _*()
  net: ena: enable the interrupt_moderation in driver_supported_features
  net: ena: reimplement set/get_coalesce()
  net: ena: switch to dim algorithm for rx adaptive interrupt moderation
  net: ena: add intr_moder_rx_interval to struct ena_com_dev and use it
  net: phy: adin: implement Energy Detect Powerdown mode via phy-tunable
  ethtool: implement Energy Detect Powerdown support via phy-tunable
  xen-netfront: do not assume sk_buff_head list is empty in error handling
  s390/ctcm: Delete unnecessary checks before the macro call “dev_kfree_skb”
  net: ena: don't wake up tx queue when down
  drop_monitor: Better sanitize notified packets
  ...

1 files changed, 63 insertions, 9 deletions

diff --git a/net/mac80211/agg-rx.c b/net/mac80211/agg-rx.c
index 01b0dad24500..4d1c335e06e5 100644
--- a/net/mac80211/agg-rx.c
+++ b/net/mac80211/agg-rx.c
@@ -178,17 +178,54 @@ static void sta_rx_agg_reorder_timer_expired(struct timer_list *t)
 	rcu_read_unlock();
 }
 
-static void ieee80211_send_addba_resp(struct ieee80211_sub_if_data *sdata, u8 *da, u16 tid,
+static void ieee80211_add_addbaext(struct ieee80211_sub_if_data *sdata,
+				   struct sk_buff *skb,
+				   const struct ieee80211_addba_ext_ie *req)
+{
+	struct ieee80211_supported_band *sband;
+	struct ieee80211_addba_ext_ie *resp;
+	const struct ieee80211_sta_he_cap *he_cap;
+	u8 frag_level, cap_frag_level;
+	u8 *pos;
+
+	sband = ieee80211_get_sband(sdata);
+	if (!sband)
+		return;
+	he_cap = ieee80211_get_he_iftype_cap(sband, sdata->vif.type);
+	if (!he_cap)
+		return;
+
+	pos = skb_put_zero(skb, 2 + sizeof(struct ieee80211_addba_ext_ie));
+	*pos++ = WLAN_EID_ADDBA_EXT;
+	*pos++ = sizeof(struct ieee80211_addba_ext_ie);
+	resp = (struct ieee80211_addba_ext_ie *)pos;
+	resp->data = req->data & IEEE80211_ADDBA_EXT_NO_FRAG;
+
+	frag_level = u32_get_bits(req->data,
+				  IEEE80211_ADDBA_EXT_FRAG_LEVEL_MASK);
+	cap_frag_level = u32_get_bits(he_cap->he_cap_elem.mac_cap_info[0],
+				      IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_MASK);
+	if (frag_level > cap_frag_level)
+		frag_level = cap_frag_level;
+	resp->data |= u8_encode_bits(frag_level,
+				     IEEE80211_ADDBA_EXT_FRAG_LEVEL_MASK);
+}
+
+static void ieee80211_send_addba_resp(struct sta_info *sta, u8 *da, u16 tid,
 				      u8 dialog_token, u16 status, u16 policy,
-				      u16 buf_size, u16 timeout)
+				      u16 buf_size, u16 timeout,
+				      const struct ieee80211_addba_ext_ie *addbaext)
 {
+	struct ieee80211_sub_if_data *sdata = sta->sdata;
 	struct ieee80211_local *local = sdata->local;
 	struct sk_buff *skb;
 	struct ieee80211_mgmt *mgmt;
 	bool amsdu = ieee80211_hw_check(&local->hw, SUPPORTS_AMSDU_IN_AMPDU);
 	u16 capab;
 
-	skb = dev_alloc_skb(sizeof(*mgmt) + local->hw.extra_tx_headroom);
+	skb = dev_alloc_skb(sizeof(*mgmt) +
+		    2 + sizeof(struct ieee80211_addba_ext_ie) +
+		    local->hw.extra_tx_headroom);
 	if (!skb)
 		return;
 
@@ -222,13 +259,17 @@ static void ieee80211_send_addba_resp(struct ieee80211_sub_if_data *sdata, u8 *d
 	mgmt->u.action.u.addba_resp.timeout = cpu_to_le16(timeout);
 	mgmt->u.action.u.addba_resp.status = cpu_to_le16(status);
 
+	if (sta->sta.he_cap.has_he && addbaext)
+		ieee80211_add_addbaext(sdata, skb, addbaext);
+
 	ieee80211_tx_skb(sdata, skb);
 }
 
 void ___ieee80211_start_rx_ba_session(struct sta_info *sta,
 				      u8 dialog_token, u16 timeout,
 				      u16 start_seq_num, u16 ba_policy, u16 tid,
-				      u16 buf_size, bool tx, bool auto_seq)
+				      u16 buf_size, bool tx, bool auto_seq,
+				      const struct ieee80211_addba_ext_ie *addbaext)
 {
 	struct ieee80211_local *local = sta->sdata->local;
 	struct tid_ampdu_rx *tid_agg_rx;
@@ -410,21 +451,22 @@ end:
 	}
 
 	if (tx)
-		ieee80211_send_addba_resp(sta->sdata, sta->sta.addr, tid,
+		ieee80211_send_addba_resp(sta, sta->sta.addr, tid,
 					  dialog_token, status, 1, buf_size,
-					  timeout);
+					  timeout, addbaext);
 }
 
 static void __ieee80211_start_rx_ba_session(struct sta_info *sta,
 					    u8 dialog_token, u16 timeout,
 					    u16 start_seq_num, u16 ba_policy,
 					    u16 tid, u16 buf_size, bool tx,
-					    bool auto_seq)
+					    bool auto_seq,
+					    const struct ieee80211_addba_ext_ie *addbaext)
 {
 	mutex_lock(&sta->ampdu_mlme.mtx);
 	___ieee80211_start_rx_ba_session(sta, dialog_token, timeout,
 					 start_seq_num, ba_policy, tid,
-					 buf_size, tx, auto_seq);
+					 buf_size, tx, auto_seq, addbaext);
 	mutex_unlock(&sta->ampdu_mlme.mtx);
 }
 
@@ -434,7 +476,9 @@ void ieee80211_process_addba_request(struct ieee80211_local *local,
 				     size_t len)
 {
 	u16 capab, tid, timeout, ba_policy, buf_size, start_seq_num;
+	struct ieee802_11_elems elems = { 0 };
 	u8 dialog_token;
+	int ies_len;
 
 	/* extract session parameters from addba request frame */
 	dialog_token = mgmt->u.action.u.addba_req.dialog_token;
@@ -447,9 +491,19 @@ void ieee80211_process_addba_request(struct ieee80211_local *local,
 	tid = (capab & IEEE80211_ADDBA_PARAM_TID_MASK) >> 2;
 	buf_size = (capab & IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK) >> 6;
 
+	ies_len = len - offsetof(struct ieee80211_mgmt,
+				 u.action.u.addba_req.variable);
+	if (ies_len) {
+		ieee802_11_parse_elems(mgmt->u.action.u.addba_req.variable,
+                                ies_len, true, &elems, mgmt->bssid, NULL);
+		if (elems.parse_error)
+			return;
+	}
+
 	__ieee80211_start_rx_ba_session(sta, dialog_token, timeout,
 					start_seq_num, ba_policy, tid,
-					buf_size, true, false);
+					buf_size, true, false,
+					elems.addba_ext_ie);
 }
 
 void ieee80211_manage_rx_ba_offl(struct ieee80211_vif *vif,