diff options
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.patch | 24 |
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); |