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Commit ce5d0b47f13f83dfb9fbb8ac91adad7120747aaf

Authored by Adit Ranadive
Committed by David S. Miller
1 parent 6ae5f983cf
Exists in master and in 7 other branches imx_3.0.35_4.1.0, imx_3.10.17_1.0.1_ga, imx_3.10.53_1.1.0_ga, imx_3.14.28_1.0.0_ga, smarc-imx_3.10.53_1.1.0_ga, smarc-imx_3.14.28_1.0.0_ga, smarc-l5.0.0_1.0.0-ga

[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>

Showing 1 changed file with 10 additions and 0 deletions Side-by-side Diff

... ... @@ -111,6 +111,9 @@
111 111 *
112 112 * 802.1Q/Q-in-Q support by Francesco Fondelli (FF) <francesco.fondelli@gmail.com>
113 113 *
  114 + * Fixed src_mac command to set source mac of packet to value specified in
  115 + * command by Adit Ranadive <adit.262@gmail.com>
  116 + *
114 117 */
115 118 #include <linux/sys.h>
116 119 #include <linux/types.h>
117 120  
... ... @@ -1451,8 +1454,11 @@
1451 1454 }
1452 1455 if (!strcmp(name, "src_mac")) {
1453 1456 char *v = valstr;
  1457 + unsigned char old_smac[ETH_ALEN];
1454 1458 unsigned char *m = pkt_dev->src_mac;
1455 1459  
  1460 + memcpy(old_smac, pkt_dev->src_mac, ETH_ALEN);
  1461 +
1456 1462 len = strn_len(&user_buffer[i], sizeof(valstr) - 1);
1457 1463 if (len < 0) {
1458 1464 return len;
... ... @@ -1480,6 +1486,10 @@
1480 1486 *m = 0;
1481 1487 }
1482 1488 }
  1489 +
  1490 + /* Set up Src MAC */
  1491 + if (compare_ether_addr(old_smac, pkt_dev->src_mac))
  1492 + memcpy(&(pkt_dev->hh[6]), pkt_dev->src_mac, ETH_ALEN);
1483 1493  
1484 1494 sprintf(pg_result, "OK: srcmac");
1485 1495 return count;