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authorEric Dumazet <eric.dumazet@gmail.com>2009-11-05 21:04:32 -0800
committerDavid S. Miller <davem@davemloft.net>2009-11-05 22:34:27 -0800
commitbaac8564547ac7f944af1c2e8cc6fdd57f2836a4 (patch)
tree3e8054248800b2da155dcc039270e7ca75db177c
parentbf8e56bfc4fcfcef9f08e6233dc619706807893a (diff)
downloadvexpress-lsk-baac8564547ac7f944af1c2e8cc6fdd57f2836a4.tar.gz
pktgen: tx_bytes might be slightly wrong
cur_pkt_size can be changed in proc fs while pktgen is running, we better use a private field to get precise tx-bytes counter. Signed-off-by: Ben Greear <greearb@candelatech.com> Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--net/core/pktgen.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/net/core/pktgen.c b/net/core/pktgen.c
index 5ce017bf4af..d38470a3279 100644
--- a/net/core/pktgen.c
+++ b/net/core/pktgen.c
@@ -340,6 +340,7 @@ struct pktgen_dev {
__u16 cur_udp_src;
__u16 cur_queue_map;
__u32 cur_pkt_size;
+ __u32 last_pkt_size;
__u8 hh[14];
/* = {
@@ -3434,7 +3435,7 @@ static void pktgen_xmit(struct pktgen_dev *pkt_dev)
pkt_dev->clone_count--; /* back out increment, OOM */
return;
}
-
+ pkt_dev->last_pkt_size = pkt_dev->skb->len;
pkt_dev->allocated_skbs++;
pkt_dev->clone_count = 0; /* reset counter */
}
@@ -3461,7 +3462,7 @@ static void pktgen_xmit(struct pktgen_dev *pkt_dev)
pkt_dev->last_ok = 1;
pkt_dev->sofar++;
pkt_dev->seq_num++;
- pkt_dev->tx_bytes += pkt_dev->cur_pkt_size;
+ pkt_dev->tx_bytes += pkt_dev->last_pkt_size;
break;
default: /* Drivers are not supposed to return other values! */
if (net_ratelimit())