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pktgen: tx_bytes might be slightly wrong

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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>
This commit is contained in:
Eric Dumazet 2009-11-05 21:04:32 -08:00 committed by David S. Miller
parent bf8e56bfc4
commit baac856454
1 changed files with 3 additions and 2 deletions
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5
net/core/pktgen.c
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@ -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())