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Diffstat (limited to 'package/madwifi/patches/342-performance.patch')
-rw-r--r--package/madwifi/patches/342-performance.patch52
1 files changed, 26 insertions, 26 deletions
diff --git a/package/madwifi/patches/342-performance.patch b/package/madwifi/patches/342-performance.patch
index 8015643..88cec18 100644
--- a/package/madwifi/patches/342-performance.patch
+++ b/package/madwifi/patches/342-performance.patch
@@ -73,6 +73,7 @@
- ieee80211_ref_node(SKB_CB(skb)->ni);
- /* Unshare the node, decrementing users in the old skb */
- skb = skb_unshare(skb, GFP_ATOMIC);
+- }
+ need_headroom -= skb_headroom(skb);
+ if (isff)
+ need_tailroom -= skb_tailroom(skb2);
@@ -83,42 +84,32 @@
+ need_headroom = 0;
+ if (need_tailroom < 0)
+ need_tailroom = 0;
-+
-+ if (skb_cloned(skb) || (need_headroom > 0) ||
-+ (!isff && (need_tailroom > 0))) {
-+
-+ if (pskb_expand_head(skb, need_headroom, need_tailroom, GFP_ATOMIC)) {
-+ IEEE80211_DPRINTF(vap, IEEE80211_MSG_OUTPUT,
-+ "%s: cannot expand storage (tail)\n", __func__);
-+ goto error;
-+ }
- }
- #ifdef ATH_SUPERG_FF
- if (isff) {
+-#ifdef ATH_SUPERG_FF
+- if (isff) {
- if (skb == NULL) {
- IEEE80211_DPRINTF(vap, IEEE80211_MSG_OUTPUT,
- "%s: cannot unshare for encapsulation\n",
- __func__);
- vap->iv_stats.is_tx_nobuf++;
- ieee80211_dev_kfree_skb(&skb2);
--
++ if (skb_cloned(skb) || (need_headroom > 0) ||
++ (!isff && (need_tailroom > 0))) {
+
- return NULL;
-- }
-+ inter_headroom -= skb_headroom(skb2);
-+ if (inter_headroom < 0)
-+ inter_headroom = 0;
-+ if ((skb_cloned(skb2) ||
-+ (inter_headroom > 0) || (need_tailroom > 0))) {
++ if (pskb_expand_head(skb, need_headroom, need_tailroom, GFP_ATOMIC)) {
++ IEEE80211_DPRINTF(vap, IEEE80211_MSG_OUTPUT,
++ "%s: cannot expand storage (tail)\n", __func__);
++ goto error;
+ }
++ }
- /* first skb header */
- if (skb_headroom(skb) < need_headroom) {
- struct sk_buff *tmp = skb;
- skb = skb_realloc_headroom(skb, need_headroom);
- if (skb == NULL) {
-+ if (pskb_expand_head(skb2, inter_headroom,
-+ need_tailroom, GFP_ATOMIC)) {
- IEEE80211_DPRINTF(vap, IEEE80211_MSG_OUTPUT,
+- IEEE80211_DPRINTF(vap, IEEE80211_MSG_OUTPUT,
- "%s: cannot expand storage (head1)\n",
- __func__);
- vap->iv_stats.is_tx_nobuf++;
@@ -130,7 +121,14 @@
- /* NB: cb[] area was copied, but not next ptr. must do that
- * prior to return on success. */
- }
--
++#ifdef ATH_SUPERG_FF
++ if (isff) {
++ inter_headroom -= skb_headroom(skb2);
++ if (inter_headroom < 0)
++ inter_headroom = 0;
++ if ((skb_cloned(skb2) ||
++ (inter_headroom > 0) || (need_tailroom > 0))) {
+
- /* second skb with header and tail adjustments possible */
- if (skb_tailroom(skb2) < need_tailroom) {
- int n = 0;
@@ -139,7 +137,9 @@
- if (pskb_expand_head(skb2, n,
- need_tailroom - skb_tailroom(skb2), GFP_ATOMIC)) {
- ieee80211_dev_kfree_skb(&skb2);
-- IEEE80211_DPRINTF(vap, IEEE80211_MSG_OUTPUT,
++ if (pskb_expand_head(skb2, inter_headroom,
++ need_tailroom, GFP_ATOMIC)) {
+ IEEE80211_DPRINTF(vap, IEEE80211_MSG_OUTPUT,
- "%s: cannot expand storage (tail2)\n",
- __func__);
- vap->iv_stats.is_tx_nobuf++;
@@ -163,10 +163,10 @@
- } else
- ieee80211_skb_copy_noderef(tmp, skb);
- ieee80211_dev_kfree_skb(&tmp);
- }
+- }
- if (skb) {
- skb->next = skb2;
-- }
+ }
- return skb;
+ skb->next = skb2;
}