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Diffstat (limited to 'package/kernel/mac80211/patches/subsys/357-mac80211-optimize-skb-resizing.patch')
-rw-r--r--package/kernel/mac80211/patches/subsys/357-mac80211-optimize-skb-resizing.patch24
1 files changed, 13 insertions, 11 deletions
diff --git a/package/kernel/mac80211/patches/subsys/357-mac80211-optimize-skb-resizing.patch b/package/kernel/mac80211/patches/subsys/357-mac80211-optimize-skb-resizing.patch
index 8fd85fedcc..98b2342265 100644
--- a/package/kernel/mac80211/patches/subsys/357-mac80211-optimize-skb-resizing.patch
+++ b/package/kernel/mac80211/patches/subsys/357-mac80211-optimize-skb-resizing.patch
@@ -65,14 +65,20 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name>
struct ieee80211_hdr *hdr;
- bool enc_tailroom;
- int tail_need = 0;
-+ int head_need, head_max;
-+ int tail_need, tail_max;
-+ bool enc_tailroom = false;
-
+-
- hdr = (struct ieee80211_hdr *) skb->data;
- enc_tailroom = may_encrypt &&
- (sdata->crypto_tx_tailroom_needed_cnt ||
- ieee80211_is_mgmt(hdr->frame_control));
+-
+- if (enc_tailroom) {
+- tail_need = IEEE80211_ENCRYPT_TAILROOM;
+- tail_need -= skb_tailroom(skb);
+- tail_need = max_t(int, tail_need, 0);
++ int head_need, head_max;
++ int tail_need, tail_max;
++ bool enc_tailroom = false;
++
+ if (sdata && !hdr_len &&
+ !(info->flags & IEEE80211_TX_INTFL_DONT_ENCRYPT)) {
+ hdr = (struct ieee80211_hdr *) skb->data;
@@ -80,11 +86,7 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name>
+ ieee80211_is_mgmt(hdr->frame_control));
+ hdr_len += sdata->encrypt_headroom;
+ }
-
-- if (enc_tailroom) {
-- tail_need = IEEE80211_ENCRYPT_TAILROOM;
-- tail_need -= skb_tailroom(skb);
-- tail_need = max_t(int, tail_need, 0);
++
+ head_need = head_max = hdr_len;
+ tail_need = tail_max = 0;
+ if (!sdata) {
@@ -127,13 +129,13 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name>
- bool may_encrypt;
-
- may_encrypt = !(info->flags & IEEE80211_TX_INTFL_DONT_ENCRYPT);
--
+
- headroom = local->tx_headroom;
- if (may_encrypt)
- headroom += sdata->encrypt_headroom;
- headroom -= skb_headroom(skb);
- headroom = max_t(int, 0, headroom);
-
+-
- if (ieee80211_skb_resize(sdata, skb, headroom, may_encrypt)) {
+ if (ieee80211_skb_resize(sdata, skb, 0, 0)) {
ieee80211_free_txskb(&local->hw, skb);