---

yaml --- r: 203367 b: refs/heads/master c: 4478a9c h: refs/heads/master i: 203365: 0de3875 203363: 356b066 203359: fe77f83 v: v3
git-mirror · Jul 6, 2010 · 261f9dc · 261f9dc
1 parent e408edd
commit 261f9dc
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Showing 2 changed files with 11 additions and 9 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 39827be26b36ef9cdbc661c92a269e0484cd9ef5
+refs/heads/master: 4478a9cdf007a0418755a8a4016af8352fb1c1f3
diff --git a/trunk/drivers/net/igb/igb_main.c b/trunk/drivers/net/igb/igb_main.c
@@ -2717,14 +2717,16 @@ static void igb_setup_mrqc(struct igb_adapter *adapter)
 	}
 	igb_vmm_control(adapter);
 
-	mrqc |= (E1000_MRQC_RSS_FIELD_IPV4 |
-		 E1000_MRQC_RSS_FIELD_IPV4_TCP);
-	mrqc |= (E1000_MRQC_RSS_FIELD_IPV6 |
-		 E1000_MRQC_RSS_FIELD_IPV6_TCP);
-	mrqc |= (E1000_MRQC_RSS_FIELD_IPV4_UDP |
-		 E1000_MRQC_RSS_FIELD_IPV6_UDP);
-	mrqc |= (E1000_MRQC_RSS_FIELD_IPV6_UDP_EX |
-		 E1000_MRQC_RSS_FIELD_IPV6_TCP_EX);
+	/*
+	 * Generate RSS hash based on TCP port numbers and/or
+	 * IPv4/v6 src and dst addresses since UDP cannot be
+	 * hashed reliably due to IP fragmentation
+	 */
+	mrqc |= E1000_MRQC_RSS_FIELD_IPV4 |
+		E1000_MRQC_RSS_FIELD_IPV4_TCP |
+		E1000_MRQC_RSS_FIELD_IPV6 |
+		E1000_MRQC_RSS_FIELD_IPV6_TCP |
+		E1000_MRQC_RSS_FIELD_IPV6_TCP_EX;
 
 	wr32(E1000_MRQC, mrqc);
 }