---

yaml --- r: 122142 b: refs/heads/master c: 9b07f3d h: refs/heads/master v: v3
git-mirror · Nov 25, 2008 · 8c6d4c1 · 8c6d4c1
1 parent 87c4aec
commit 8c6d4c1
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Showing 3 changed files with 7 additions and 21 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 7a6b6f515f77d1c62a2f383b6dce18cb0af0cf4f
+refs/heads/master: 9b07f3d3157487e6467dfa4640f7fb9446165494
diff --git a/trunk/drivers/net/igb/e1000_defines.h b/trunk/drivers/net/igb/e1000_defines.h
@@ -168,18 +168,12 @@
 #define E1000_RCTL_RDMTS_HALF     0x00000000    /* rx desc min threshold size */
 #define E1000_RCTL_MO_SHIFT       12            /* multicast offset shift */
 #define E1000_RCTL_BAM            0x00008000    /* broadcast enable */
-/* these buffer sizes are valid if E1000_RCTL_BSEX is 0 */
 #define E1000_RCTL_SZ_2048        0x00000000    /* rx buffer size 2048 */
 #define E1000_RCTL_SZ_1024        0x00010000    /* rx buffer size 1024 */
 #define E1000_RCTL_SZ_512         0x00020000    /* rx buffer size 512 */
 #define E1000_RCTL_SZ_256         0x00030000    /* rx buffer size 256 */
-/* these buffer sizes are valid if E1000_RCTL_BSEX is 1 */
-#define E1000_RCTL_SZ_16384       0x00010000    /* rx buffer size 16384 */
-#define E1000_RCTL_SZ_8192        0x00020000    /* rx buffer size 8192 */
-#define E1000_RCTL_SZ_4096        0x00030000    /* rx buffer size 4096 */
 #define E1000_RCTL_VFE            0x00040000    /* vlan filter enable */
 #define E1000_RCTL_CFIEN          0x00080000    /* canonical form enable */
-#define E1000_RCTL_BSEX           0x02000000    /* Buffer size extension */
 #define E1000_RCTL_SECRC          0x04000000    /* Strip Ethernet CRC */
 
 /*

diff --git a/trunk/drivers/net/igb/igb_main.c b/trunk/drivers/net/igb/igb_main.c
@@ -1791,37 +1791,29 @@ static void igb_setup_rctl(struct igb_adapter *adapter)
 	*/
 	rctl |= E1000_RCTL_SECRC;
 
-	rctl &= ~E1000_RCTL_SBP;
+	/*
+	 * disable store bad packets, long packet enable, and clear size bits.
+	 */
+	rctl &= ~(E1000_RCTL_SBP | E1000_RCTL_LPE | E1000_RCTL_SZ_256);
 
-	if (adapter->netdev->mtu <= ETH_DATA_LEN)
-		rctl &= ~E1000_RCTL_LPE;
-	else
-		rctl |= E1000_RCTL_LPE;
-	if (adapter->rx_buffer_len <= IGB_RXBUFFER_2048) {
+	if (adapter->netdev->mtu <= ETH_DATA_LEN) {
 		/* Setup buffer sizes */
-		rctl &= ~E1000_RCTL_SZ_4096;
-		rctl |= E1000_RCTL_BSEX;
 		switch (adapter->rx_buffer_len) {
 		case IGB_RXBUFFER_256:
 			rctl |= E1000_RCTL_SZ_256;
-			rctl &= ~E1000_RCTL_BSEX;
 			break;
 		case IGB_RXBUFFER_512:
 			rctl |= E1000_RCTL_SZ_512;
-			rctl &= ~E1000_RCTL_BSEX;
 			break;
 		case IGB_RXBUFFER_1024:
 			rctl |= E1000_RCTL_SZ_1024;
-			rctl &= ~E1000_RCTL_BSEX;
 			break;
-		case IGB_RXBUFFER_2048:
 		default:
 			rctl |= E1000_RCTL_SZ_2048;
-			rctl &= ~E1000_RCTL_BSEX;
 			break;
 		}
 	} else {
-		rctl &= ~E1000_RCTL_BSEX;
+		rctl |= E1000_RCTL_LPE;
 		srrctl = adapter->rx_buffer_len >> E1000_SRRCTL_BSIZEPKT_SHIFT;
 	}