* [dpdk-dev] [PATCH] fix for eth_pcap_tx() can cause mbuf corruption
@ 2014-05-28 14:47 Konstantin Ananyev
2014-06-05 15:33 ` De Lara Guarch, Pablo
` (2 more replies)
0 siblings, 3 replies; 4+ messages in thread
From: Konstantin Ananyev @ 2014-05-28 14:47 UTC (permalink / raw)
To: dev, dev
If pcap_sendpacket() fails, then eth_pcap_tx shouldn't silently free that
mbuf and continue.
Signed-off-by: Konstantin Ananyev <konstantin.ananyev@intel.com>
---
lib/librte_pmd_pcap/rte_eth_pcap.c | 5 +++--
1 files changed, 3 insertions(+), 2 deletions(-)
diff --git a/lib/librte_pmd_pcap/rte_eth_pcap.c b/lib/librte_pmd_pcap/rte_eth_pcap.c
index dc4670c..6f026ab 100644
--- a/lib/librte_pmd_pcap/rte_eth_pcap.c
+++ b/lib/librte_pmd_pcap/rte_eth_pcap.c
@@ -239,8 +239,9 @@ eth_pcap_tx(void *queue,
mbuf = bufs[i];
ret = pcap_sendpacket(tx_queue->pcap, (u_char*) mbuf->pkt.data,
mbuf->pkt.data_len);
- if(likely(!ret))
- num_tx++;
+ if (unlikely(ret != 0))
+ break;
+ num_tx++;
rte_pktmbuf_free(mbuf);
}
--
1.7.7.6
^ permalink raw reply [flat|nested] 4+ messages in thread* Re: [dpdk-dev] [PATCH] fix for eth_pcap_tx() can cause mbuf corruption
2014-05-28 14:47 [dpdk-dev] [PATCH] fix for eth_pcap_tx() can cause mbuf corruption Konstantin Ananyev
@ 2014-06-05 15:33 ` De Lara Guarch, Pablo
2014-06-06 3:33 ` Cao, Waterman
2014-06-10 11:25 ` Thomas Monjalon
2 siblings, 0 replies; 4+ messages in thread
From: De Lara Guarch, Pablo @ 2014-06-05 15:33 UTC (permalink / raw)
To: Ananyev, Konstantin, dev
Acked-by: Pablo de Lara Guarch <pablo.de.lara.guarch@intel.com>
> -----Original Message-----
> From: dev [mailto:dev-bounces@dpdk.org] On Behalf Of Konstantin Ananyev
> Sent: Wednesday, May 28, 2014 3:47 PM
> To: dev@dpdk.org; dev@dpdk.org
> Subject: [dpdk-dev] [PATCH] fix for eth_pcap_tx() can cause mbuf corruption
>
> If pcap_sendpacket() fails, then eth_pcap_tx shouldn't silently free that
> mbuf and continue.
>
> Signed-off-by: Konstantin Ananyev <konstantin.ananyev@intel.com>
> ---
> lib/librte_pmd_pcap/rte_eth_pcap.c | 5 +++--
> 1 files changed, 3 insertions(+), 2 deletions(-)
>
> diff --git a/lib/librte_pmd_pcap/rte_eth_pcap.c
> b/lib/librte_pmd_pcap/rte_eth_pcap.c
> index dc4670c..6f026ab 100644
> --- a/lib/librte_pmd_pcap/rte_eth_pcap.c
> +++ b/lib/librte_pmd_pcap/rte_eth_pcap.c
> @@ -239,8 +239,9 @@ eth_pcap_tx(void *queue,
> mbuf = bufs[i];
> ret = pcap_sendpacket(tx_queue->pcap, (u_char*) mbuf-
> >pkt.data,
> mbuf->pkt.data_len);
> - if(likely(!ret))
> - num_tx++;
> + if (unlikely(ret != 0))
> + break;
> + num_tx++;
> rte_pktmbuf_free(mbuf);
> }
>
> --
> 1.7.7.6
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: [dpdk-dev] [PATCH] fix for eth_pcap_tx() can cause mbuf corruption
2014-05-28 14:47 [dpdk-dev] [PATCH] fix for eth_pcap_tx() can cause mbuf corruption Konstantin Ananyev
2014-06-05 15:33 ` De Lara Guarch, Pablo
@ 2014-06-06 3:33 ` Cao, Waterman
2014-06-10 11:25 ` Thomas Monjalon
2 siblings, 0 replies; 4+ messages in thread
From: Cao, Waterman @ 2014-06-06 3:33 UTC (permalink / raw)
To: Ananyev, Konstantin, dev
Tested-by: Waterman Cao <waterman.cao@intel.com>
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: [dpdk-dev] [PATCH] fix for eth_pcap_tx() can cause mbuf corruption
2014-05-28 14:47 [dpdk-dev] [PATCH] fix for eth_pcap_tx() can cause mbuf corruption Konstantin Ananyev
2014-06-05 15:33 ` De Lara Guarch, Pablo
2014-06-06 3:33 ` Cao, Waterman
@ 2014-06-10 11:25 ` Thomas Monjalon
2 siblings, 0 replies; 4+ messages in thread
From: Thomas Monjalon @ 2014-06-10 11:25 UTC (permalink / raw)
To: Konstantin Ananyev; +Cc: dev
> If pcap_sendpacket() fails, then eth_pcap_tx shouldn't silently free that
> mbuf and continue.
>
> Signed-off-by: Konstantin Ananyev <konstantin.ananyev@intel.com>
Acked-by: Pablo de Lara Guarch <pablo.de.lara.guarch@intel.com>
Tested-by: Waterman Cao <waterman.cao@intel.com>
Applied for version 1.7.0.
Thanks
--
Thomas
^ permalink raw reply [flat|nested] 4+ messages in thread
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2014-05-28 14:47 [dpdk-dev] [PATCH] fix for eth_pcap_tx() can cause mbuf corruption Konstantin Ananyev
2014-06-05 15:33 ` De Lara Guarch, Pablo
2014-06-06 3:33 ` Cao, Waterman
2014-06-10 11:25 ` Thomas Monjalon
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