Merge Linux 2.6.23

1 files changed, 13 insertions, 5 deletions

diff --git a/net/core/pktgen.c b/net/core/pktgen.c
index 7bae576..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>
@@ -380,7 +383,6 @@ struct pktgen_thread {
 	/* Field for thread to receive "posted" events terminate, stop ifs etc. */
 
 	u32 control;
-	int pid;
 	int cpu;
 
 	wait_queue_head_t queue;
@@ -1452,8 +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;
@@ -1482,6 +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;
 	}
@@ -3331,8 +3340,9 @@ static __inline__ void pktgen_xmit(struct pktgen_dev *pkt_dev)
 	}
 
 	if ((netif_queue_stopped(odev) ||
-	     netif_subqueue_stopped(odev, pkt_dev->skb->queue_mapping)) ||
-	     need_resched()) {
+	     (pkt_dev->skb &&
+	      netif_subqueue_stopped(odev, pkt_dev->skb->queue_mapping))) ||
+	    need_resched()) {
 		idle_start = getCurUs();
 
 		if (!netif_running(odev)) {
@@ -3462,8 +3472,6 @@ static int pktgen_thread_worker(void *arg)
 
 	init_waitqueue_head(&t->queue);
 
-	t->pid = current->pid;
-
 	pr_debug("pktgen: starting pktgen/%d:  pid=%d\n", cpu, current->pid);
 
 	max_before_softirq = t->max_before_softirq;