---

yaml --- r: 35187 b: refs/heads/master c: 1d17933 h: refs/heads/master i: 35185: 57c5cdd 35183: 81163ee v: v3
git-mirror · Aug 29, 2006 · e4c6d56 · e4c6d56
1 parent 70e3b60
commit e4c6d56
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Showing 3 changed files with 14 additions and 7 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: e07560cd4f762935968a1120168eb7d22260d85f
+refs/heads/master: 1d179332f8918a5f4e031dc068a469283b01c4c1
diff --git a/trunk/drivers/net/sky2.c b/trunk/drivers/net/sky2.c
@@ -1280,12 +1280,17 @@ static int sky2_xmit_frame(struct sk_buff *skb, struct net_device *dev)
 		if (skb->nh.iph->protocol == IPPROTO_UDP)
 			ctrl |= UDPTCP;
 
-		le = get_tx_le(sky2);
-		le->tx.csum.start = cpu_to_le16(hdr);
-		le->tx.csum.offset = cpu_to_le16(offset);
-		le->length = 0;	/* initial checksum value */
-		le->ctrl = 1;	/* one packet */
-		le->opcode = OP_TCPLISW | HW_OWNER;
+		if (hdr != sky2->tx_csum_start || offset != sky2->tx_csum_offset) {
+			sky2->tx_csum_start = hdr;
+			sky2->tx_csum_offset = offset;
+
+			le = get_tx_le(sky2);
+			le->tx.csum.start = cpu_to_le16(hdr);
+			le->tx.csum.offset = cpu_to_le16(offset);
+			le->length = 0;	/* initial checksum value */
+			le->ctrl = 1;	/* one packet */
+			le->opcode = OP_TCPLISW | HW_OWNER;
+		}
 	}
 
 	le = get_tx_le(sky2);

diff --git a/trunk/drivers/net/sky2.h b/trunk/drivers/net/sky2.h
@@ -1843,6 +1843,8 @@ struct sky2_port {
 	u32		     tx_addr64;
 	u16		     tx_pending;
 	u16		     tx_last_mss;
+	u16		     tx_csum_start;
+	u16		     tx_csum_offset;
 
 	struct ring_info     *rx_ring ____cacheline_aligned_in_smp;
 	struct sky2_rx_le    *rx_le;