domenico/openwrt_NSS_ACW
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

mac80211: refresh patches

Browse Source 
Signed-off-by: Christian Lamparter <chunkeey@gmail.com>
This commit is contained in:
Christian Lamparter
2019-06-15 19:51:28 +02:00
parent 78049d448c
commit 158a716215
2 changed files with 16 additions and 19 deletions
Download Patch File Download Diff File Expand all files Collapse all files

24
package/kernel/mac80211/patches/subsys/357-mac80211-optimize-skb-resizing.patch
View File

@@ -67,14 +67,20 @@ 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;
@@ -82,11 +88,7 @@ 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) {
@@ -129,13 +131,13 @@ 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(local, sdata, skb, 0, 0)) {
ieee80211_free_txskb(&local->hw, skb);