package/madwifi: refresh madwifi patches

[openwrt/openwrt.git] / package / madwifi / patches / 342-performance.patch

diff --git a/package/madwifi/patches/342-performance.patch b/package/madwifi/patches/342-performance.patch
index 1fa1b856b6393735a9a08a375e2e30526ed77be4..88cec182ddd41f27c851e577d77d91bb40e30a7d 100644 (file)
--- a/package/madwifi/patches/342-performance.patch
+++ b/package/madwifi/patches/342-performance.patch
@@ -1,6 +1,6 @@
 --- a/ath/if_ath.c
 +++ b/ath/if_ath.c
-@@ -3239,7 +3239,6 @@
+@@ -3239,7 +3239,6 @@ ath_hardstart(struct sk_buff *skb, struc
        struct ath_softc *sc = dev->priv;
        struct ieee80211_node *ni = NULL;
        struct ath_buf *bf = NULL;
@@ -8,7 +8,7 @@
        ath_bufhead bf_head;
        struct ath_buf *tbf, *tempbf;
        struct sk_buff *tskb;
-@@ -3251,6 +3250,7 @@
+@@ -3251,6 +3250,7 @@ ath_hardstart(struct sk_buff *skb, struc
        */
        int requeue = 0;
  #ifdef ATH_SUPERG_FF
@@ -16,7 +16,7 @@
        unsigned int pktlen;
        struct ieee80211com *ic = &sc->sc_ic;
        struct ath_node *an;
-@@ -3316,27 +3316,9 @@
+@@ -3316,27 +3316,9 @@ ath_hardstart(struct sk_buff *skb, struc
                requeue = 1;
                goto hardstart_fail;
        }
@@ -46,7 +46,7 @@
        ATH_TXQ_LOCK_IRQ(txq);
 --- a/net80211/ieee80211_output.c
 +++ b/net80211/ieee80211_output.c
-@@ -283,7 +283,7 @@
+@@ -283,7 +283,7 @@ ieee80211_hardstart(struct sk_buff *skb,
         * normal vap. */
        if (vap->iv_xrvap && (ni == vap->iv_bss) &&
            vap->iv_xrvap->iv_sta_assoc) {
@@ -55,7 +55,7 @@
                if (skb1) {
                        memset(SKB_CB(skb1), 0, sizeof(struct ieee80211_cb));
  #ifdef IEEE80211_DEBUG_REFCNT
-@@ -566,7 +566,7 @@
+@@ -566,7 +566,7 @@ ieee80211_skbhdr_adjust(struct ieee80211
        struct ieee80211_key *key, struct sk_buff *skb, int ismulticast)
  {
        /* XXX pre-calculate per node? */
@@ -64,7 +64,7 @@
        int need_tailroom = 0;
  #ifdef ATH_SUPERG_FF
        int isff = ATH_FF_MAGIC_PRESENT(skb);
-@@ -608,109 +608,56 @@
+@@ -608,109 +608,56 @@ ieee80211_skbhdr_adjust(struct ieee80211
                                need_tailroom += cip->ic_miclen;
        }
  
@@ -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;
        }
@@ -214,7 +214,7 @@
  #define       KEY_UNDEFINED(k)        ((k).wk_cipher == &ieee80211_cipher_none)
 --- a/net80211/ieee80211_input.c
 +++ b/net80211/ieee80211_input.c
-@@ -204,7 +204,6 @@
+@@ -204,7 +204,6 @@ ieee80211_input(struct ieee80211vap * va
        struct ieee80211_frame *wh;
        struct ieee80211_key *key;
        struct ether_header *eh;
@@ -222,7 +222,7 @@
  #ifdef ATH_SUPERG_FF
        struct llc *llc;
  #endif
-@@ -244,20 +243,6 @@
+@@ -244,20 +243,6 @@ ieee80211_input(struct ieee80211vap * va
                vap->iv_stats.is_rx_tooshort++;
                goto out;
        }
@@ -243,7 +243,7 @@
  
        /*
         * Bit of a cheat here, we use a pointer for a 3-address
-@@ -738,7 +723,7 @@
+@@ -738,7 +723,7 @@ ieee80211_input(struct ieee80211vap * va
                        /* ether_type must be length as FF frames are always LLC/SNAP encap'd */ 
                        frame_len = ntohs(eh_tmp->ether_type); 
  
@@ -252,7 +252,7 @@
                        if (skb1 == NULL)
                                goto err;
                        ieee80211_skb_copy_noderef(skb, skb1);
-@@ -1137,7 +1122,7 @@
+@@ -1137,7 +1122,7 @@ ieee80211_deliver_data(struct ieee80211_
  
                if (ETHER_IS_MULTICAST(eh->ether_dhost) && !netif_queue_stopped(dev)) {
                        /* Create a SKB for the BSS to send out. */