more performance for madwifi :)

SVN-Revision: 10855

diff --git a/package/madwifi/patches/350-performance.patch b/package/madwifi/patches/350-performance.patch
index e88c084dbf641a66d047fd341e8486790b50c767..0297e0cdfb215148410125578b886aa95a8086f8 100644 (file)
--- a/package/madwifi/patches/350-performance.patch
+++ b/package/madwifi/patches/350-performance.patch
@@ -1,7 +1,7 @@
 Index: madwifi-trunk-r3314/ath/if_ath.c
 ===================================================================
---- madwifi-trunk-r3314.orig/ath/if_ath.c      2008-04-17 02:56:31.000000000 +0200
-+++ madwifi-trunk-r3314/ath/if_ath.c   2008-04-17 03:20:28.000000000 +0200
+--- madwifi-trunk-r3314.orig/ath/if_ath.c      2008-04-17 18:17:28.000000000 +0200
++++ madwifi-trunk-r3314/ath/if_ath.c   2008-04-17 18:17:28.000000000 +0200
 @@ -3237,7 +3237,6 @@
        struct ath_softc *sc = dev->priv;
        struct ieee80211_node *ni = NULL;
@@ -48,8 +48,17 @@ Index: madwifi-trunk-r3314/ath/if_ath.c
        ATH_TXQ_LOCK_IRQ(txq);
 Index: madwifi-trunk-r3314/net80211/ieee80211_output.c
 ===================================================================
---- madwifi-trunk-r3314.orig/net80211/ieee80211_output.c       2008-04-17 02:56:30.000000000 +0200
-+++ madwifi-trunk-r3314/net80211/ieee80211_output.c    2008-04-17 04:29:06.000000000 +0200
+--- madwifi-trunk-r3314.orig/net80211/ieee80211_output.c       2008-04-17 18:17:27.000000000 +0200
++++ madwifi-trunk-r3314/net80211/ieee80211_output.c    2008-04-17 18:18:04.000000000 +0200
+@@ -283,7 +283,7 @@
+        * normal vap. */
+       if (vap->iv_xrvap && (ni == vap->iv_bss) &&
+           vap->iv_xrvap->iv_sta_assoc) {
+-              struct sk_buff *skb1 = skb_copy(skb, GFP_ATOMIC);
++              struct sk_buff *skb1 = skb_clone(skb, GFP_ATOMIC);
+               if (skb1) {
+                       memset(SKB_CB(skb1), 0, sizeof(struct ieee80211_cb));
+ #ifdef IEEE80211_DEBUG_REFCNT
 @@ -615,100 +615,45 @@
                skb = skb_unshare(skb, GFP_ATOMIC);
        }
@@ -176,3 +185,46 @@ Index: madwifi-trunk-r3314/net80211/ieee80211_output.c
  
        return skb;
  }
+Index: madwifi-trunk-r3314/net80211/ieee80211_input.c
+===================================================================
+--- madwifi-trunk-r3314.orig/net80211/ieee80211_input.c        2008-04-17 18:17:28.000000000 +0200
++++ madwifi-trunk-r3314/net80211/ieee80211_input.c     2008-04-17 18:25:48.000000000 +0200
+@@ -244,20 +244,6 @@
+               vap->iv_stats.is_rx_tooshort++;
+               goto out;
+       }
+-      /* Clone the SKB... we assume somewhere in this driver that we 'own'
+-       * the skbuff passed into hard start and we do a lot of messing with it
+-       * but bridges under some cases will not clone for the first pass of skb
+-       * to a bridge port, but will then clone for subsequent ones.  This is 
+-       * odd behavior but it means that if we have trashed the skb we are given
+-       * then other ports get clones of the residual garbage.
+-       */
+-      if ((skb2 = skb_copy(skb, GFP_ATOMIC)) == NULL) {
+-              vap->iv_devstats.tx_dropped++;
+-              goto out;
+-      }
+-      ieee80211_skb_copy_noderef(skb, skb2);
+-      ieee80211_dev_kfree_skb(&skb);
+-      skb = skb2;
+ 
+       /*
+        * Bit of a cheat here, we use a pointer for a 3-address
+@@ -738,7 +724,7 @@
+                       /* ether_type must be length as FF frames are always LLC/SNAP encap'd */ 
+                       frame_len = ntohs(eh_tmp->ether_type); 
+ 
+-                      skb1 = skb_copy(skb, GFP_ATOMIC);
++                      skb1 = skb_clone(skb, GFP_ATOMIC);
+                       if (skb1 == NULL)
+                               goto err;
+                       ieee80211_skb_copy_noderef(skb, skb1);
+@@ -1137,7 +1123,7 @@
+ 
+               if (ETHER_IS_MULTICAST(eh->ether_dhost) && !netif_queue_stopped(dev)) {
+                       /* Create a SKB for the BSS to send out. */
+-                      skb1 = skb_copy(skb, GFP_ATOMIC);
++                      skb1 = skb_clone(skb, GFP_ATOMIC);
+                       if (skb1)
+                               SKB_CB(skb1)->ni = ieee80211_ref_node(vap->iv_bss); 
+               }