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authorAdit Ranadive <adit.262@gmail.com>2007-09-16 14:52:15 -0700
committerDavid S. Miller <davem@davemloft.net>2007-09-16 14:52:15 -0700
commitce5d0b47f13f83dfb9fbb8ac91adad7120747aaf (patch)
treef1d24348ac9244b30433aa335f870ff9a21d54fa /net/core
parent6ae5f983cf8de769214d2d9e8a783c881eccd4cd (diff)
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[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>
Diffstat (limited to 'net/core')
-rw-r--r--net/core/pktgen.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/net/core/pktgen.c b/net/core/pktgen.c
index 36fdea7..803d0c88 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;
}