From: Adit Ranadive <adit.262@gmail.com>
Date: Sun, 16 Sep 2007 21:52:15 +0000 (-0700)
Subject: [PKTGEN]: srcmac fix
X-Git-Tag: v2.6.23-rc7~33^2~11
X-Git-Url: http://pilppa.org/gitweb/?a=commitdiff_plain;h=ce5d0b47f13f83dfb9fbb8ac91adad7120747aaf;p=linux-2.6-omap-h63xx.git

[PKTGEN]: srcmac fix

From: Adit Ranadive <adit.262@gmail.com>

Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/net/core/pktgen.c b/net/core/pktgen.c
index 36fdea71d74..803d0c8826a 100644
--- a/net/core/pktgen.c
+++ b/net/core/pktgen.c
@@ -111,6 +111,9 @@
  *
  * 802.1Q/Q-in-Q support by Francesco Fondelli (FF) <francesco.fondelli@gmail.com>
  *
+ * Fixed src_mac command to set source mac of packet to value specified in
+ * command by Adit Ranadive <adit.262@gmail.com>
+ *
  */
 #include <linux/sys.h>
 #include <linux/types.h>
@@ -1451,8 +1454,11 @@ static ssize_t pktgen_if_write(struct file *file,
 	}
 	if (!strcmp(name, "src_mac")) {
 		char *v = valstr;
+		unsigned char old_smac[ETH_ALEN];
 		unsigned char *m = pkt_dev->src_mac;
 
+		memcpy(old_smac, pkt_dev->src_mac, ETH_ALEN);
+
 		len = strn_len(&user_buffer[i], sizeof(valstr) - 1);
 		if (len < 0) {
 			return len;
@@ -1481,6 +1487,10 @@ static ssize_t pktgen_if_write(struct file *file,
 			}
 		}
 
+		/* Set up Src MAC */
+		if (compare_ether_addr(old_smac, pkt_dev->src_mac))
+			memcpy(&(pkt_dev->hh[6]), pkt_dev->src_mac, ETH_ALEN);
+
 		sprintf(pg_result, "OK: srcmac");
 		return count;
 	}