[openwrt/openwrt] mac80211: improve mesh fast tx patch

[LEDE Commits]

nbd pushed a commit to openwrt/openwrt.git, branch main:
https://git.openwrt.org/ab9a29a3209ea9d1843496bdaf0ea912be0dda99

commit ab9a29a3209ea9d1843496bdaf0ea912be0dda99
Author: Felix Fietkau <nbd at nbd.name>
AuthorDate: Sat Apr 13 16:05:07 2024 +0200

    mac80211: improve mesh fast tx patch
    
    Change hash key struct size for faster lookup.
    Fix clearing cache entries for forwarding
    
    Signed-off-by: Felix Fietkau <nbd at nbd.name>
---
 ...0211-split-mesh-fast-tx-cache-into-local-proxied.patch | 15 ++++++++++-----
 ...-mac80211-fix-race-condition-on-enabling-fast-xm.patch |  2 +-
 2 files changed, 11 insertions(+), 6 deletions(-)

diff --git a/package/kernel/mac80211/patches/subsys/310-mac80211-split-mesh-fast-tx-cache-into-local-proxied.patch b/package/kernel/mac80211/patches/subsys/310-mac80211-split-mesh-fast-tx-cache-into-local-proxied.patch
index 4853cef723..e142cfa4fe 100644
--- a/package/kernel/mac80211/patches/subsys/310-mac80211-split-mesh-fast-tx-cache-into-local-proxied.patch
+++ b/package/kernel/mac80211/patches/subsys/310-mac80211-split-mesh-fast-tx-cache-into-local-proxied.patch
@@ -38,7 +38,7 @@ Signed-off-by: Felix Fietkau <nbd at nbd.name>
  
 --- a/net/mac80211/mesh.h
 +++ b/net/mac80211/mesh.h
-@@ -134,9 +134,33 @@ struct mesh_path {
+@@ -134,9 +134,38 @@ struct mesh_path {
  #define MESH_FAST_TX_CACHE_TIMEOUT		8000 /* msecs */
  
  /**
@@ -47,13 +47,18 @@ Signed-off-by: Felix Fietkau <nbd at nbd.name>
 + * @MESH_FAST_TX_TYPE_LOCAL: tx from the local vif address as SA
 + * @MESH_FAST_TX_TYPE_PROXIED: local tx with a different SA (e.g. bridged)
 + * @MESH_FAST_TX_TYPE_FORWARDED: forwarded from a different mesh point
++ * @NUM_MESH_FAST_TX_TYPE: number of entry types
 + */
 +enum ieee80211_mesh_fast_tx_type {
 +	MESH_FAST_TX_TYPE_LOCAL,
 +	MESH_FAST_TX_TYPE_PROXIED,
 +	MESH_FAST_TX_TYPE_FORWARDED,
++
++	/* must be last */
++	NUM_MESH_FAST_TX_TYPE
 +};
 +
++
 +/**
 + * struct ieee80211_mesh_fast_tx_key - cached mesh fast tx entry key
 + *
@@ -62,7 +67,7 @@ Signed-off-by: Felix Fietkau <nbd at nbd.name>
 + */
 +struct ieee80211_mesh_fast_tx_key {
 +	u8 addr[ETH_ALEN] __aligned(2);
-+	enum ieee80211_mesh_fast_tx_type type;
++	u16 type;
 +};
 +
 +/**
@@ -73,7 +78,7 @@ Signed-off-by: Felix Fietkau <nbd at nbd.name>
   * @fast_tx: base fast_tx data
   * @hdr: cached mesh and rfc1042 headers
   * @hdrlen: length of mesh + rfc1042
-@@ -147,7 +171,7 @@ struct mesh_path {
+@@ -147,7 +176,7 @@ struct mesh_path {
   */
  struct ieee80211_mesh_fast_tx {
  	struct rhash_head rhash;
@@ -82,7 +87,7 @@ Signed-off-by: Felix Fietkau <nbd at nbd.name>
  
  	struct ieee80211_fast_tx fast_tx;
  	u8 hdr[sizeof(struct ieee80211s_hdr) + sizeof(rfc1042_header)];
-@@ -333,7 +357,8 @@ void mesh_path_tx_root_frame(struct ieee
+@@ -333,7 +362,8 @@ void mesh_path_tx_root_frame(struct ieee
  
  bool mesh_action_is_path_sel(struct ieee80211_mgmt *mgmt);
  struct ieee80211_mesh_fast_tx *
@@ -178,7 +183,7 @@ Signed-off-by: Felix Fietkau <nbd at nbd.name>
 -	entry = rhashtable_lookup_fast(&cache->rht, addr, fast_tx_rht_params);
 -	if (entry)
 -		mesh_fast_tx_entry_free(cache, entry);
-+	for (i = MESH_FAST_TX_TYPE_LOCAL; i < MESH_FAST_TX_TYPE_FORWARDED; i++) {
++	for (i = 0; i < NUM_MESH_FAST_TX_TYPE; i++) {
 +		key.type = i;
 +		entry = rhashtable_lookup_fast(&cache->rht, &key, fast_tx_rht_params);
 +		if (entry)
diff --git a/package/kernel/mac80211/patches/subsys/314-wifi-mac80211-fix-race-condition-on-enabling-fast-xm.patch b/package/kernel/mac80211/patches/subsys/314-wifi-mac80211-fix-race-condition-on-enabling-fast-xm.patch
index 12ed2142ab..e7a7010c7f 100644
--- a/package/kernel/mac80211/patches/subsys/314-wifi-mac80211-fix-race-condition-on-enabling-fast-xm.patch
+++ b/package/kernel/mac80211/patches/subsys/314-wifi-mac80211-fix-race-condition-on-enabling-fast-xm.patch
@@ -13,7 +13,7 @@ Signed-off-by: Felix Fietkau <nbd at nbd.name>
 
 --- a/net/mac80211/sta_info.c
 +++ b/net/mac80211/sta_info.c
-@@ -914,6 +914,7 @@ static int sta_info_insert_finish(struct
+@@ -918,6 +918,7 @@ static int sta_info_insert_finish(struct
  
  	if (ieee80211_vif_is_mesh(&sdata->vif))
  		mesh_accept_plinks_update(sdata);