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authorStephen Hemminger <shemminger@vyatta.com>2009-08-27 09:55:12 -0400
committerDavid S. Miller <davem@davemloft.net>2009-08-29 02:32:00 -0400
commit7d7bb1cf0ea7434230b3e3de49c24ff68666a72e (patch)
treed7bd35cdd36da505c005944e5c199b52f6d031d9 /net/core
parent3791decb5aa0202d2a2473d6cf4947d98e846c7a (diff)
pktgen: cleanup clone count test
The if statement to test for "should a new packet be used" can be simplified. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/core')
-rw-r--r--net/core/pktgen.c32
1 files changed, 15 insertions, 17 deletions
diff --git a/net/core/pktgen.c b/net/core/pktgen.c
index 89fd232a234b..90d48ccf651d 100644
--- a/net/core/pktgen.c
+++ b/net/core/pktgen.c
@@ -3395,23 +3395,22 @@ static void pktgen_xmit(struct pktgen_dev *pkt_dev)
3395 return; 3395 return;
3396 } 3396 }
3397 3397
3398 if (pkt_dev->last_ok || !pkt_dev->skb) { 3398 if (!pkt_dev->skb || (pkt_dev->last_ok &&
3399 if ((++pkt_dev->clone_count >= pkt_dev->clone_skb) 3399 ++pkt_dev->clone_count >= pkt_dev->clone_skb)) {
3400 || (!pkt_dev->skb)) { 3400 /* build a new pkt */
3401 /* build a new pkt */ 3401 kfree_skb(pkt_dev->skb);
3402 kfree_skb(pkt_dev->skb); 3402
3403 3403 pkt_dev->skb = fill_packet(odev, pkt_dev);
3404 pkt_dev->skb = fill_packet(odev, pkt_dev); 3404 if (pkt_dev->skb == NULL) {
3405 if (pkt_dev->skb == NULL) { 3405 printk(KERN_ERR "pktgen: ERROR: couldn't "
3406 printk(KERN_ERR "pktgen: ERROR: couldn't " 3406 "allocate skb in fill_packet.\n");
3407 "allocate skb in fill_packet.\n"); 3407 schedule();
3408 schedule(); 3408 pkt_dev->clone_count--; /* back out increment, OOM */
3409 pkt_dev->clone_count--; /* back out increment, OOM */ 3409 return;
3410 return;
3411 }
3412 pkt_dev->allocated_skbs++;
3413 pkt_dev->clone_count = 0; /* reset counter */
3414 } 3410 }
3411
3412 pkt_dev->allocated_skbs++;
3413 pkt_dev->clone_count = 0; /* reset counter */
3415 } 3414 }
3416 3415
3417 /* fill_packet() might have changed the queue */ 3416 /* fill_packet() might have changed the queue */
@@ -3476,7 +3475,6 @@ static void pktgen_xmit(struct pktgen_dev *pkt_dev)
3476 /* Done with this */ 3475 /* Done with this */
3477 pktgen_stop_device(pkt_dev); 3476 pktgen_stop_device(pkt_dev);
3478 } 3477 }
3479out:;
3480} 3478}
3481 3479
3482/* 3480/*