* [PATCH] net/iavf: add segment-length check to Tx prep
@ 2024-11-11 16:42 Bruce Richardson
2024-11-11 17:46 ` Medvedkin, Vladimir
0 siblings, 1 reply; 5+ messages in thread
From: Bruce Richardson @ 2024-11-11 16:42 UTC (permalink / raw)
To: dev
Cc: Bruce Richardson, stable, Padraig Connolly, Vladimir Medvedkin,
Ian Stokes, Qi Zhang, Kevin Liu
In the Tx prep function, the metadata checks were only checking the
packet length and ignoring the data length. For single-buffer packets we
can quickly check that the data length is the packet length.
Fixes: 19ee91c6bd9a ("net/iavf: check illegal packet sizes")
Cc: stable@dpdk.org
Reported-by: Padraig Connolly <padraig.j.connolly@intel.com>
Signed-off-by: Bruce Richardson <bruce.richardson@intel.com>
---
drivers/net/iavf/iavf_rxtx.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/drivers/net/iavf/iavf_rxtx.c b/drivers/net/iavf/iavf_rxtx.c
index 4850b9e381..6a093c6746 100644
--- a/drivers/net/iavf/iavf_rxtx.c
+++ b/drivers/net/iavf/iavf_rxtx.c
@@ -3677,7 +3677,11 @@ iavf_prep_pkts(__rte_unused void *tx_queue, struct rte_mbuf **tx_pkts,
return i;
}
- if (m->pkt_len < IAVF_TX_MIN_PKT_LEN) {
+ /* valid packets are greater than min size, and single-buffer pkts
+ * must have data_len == pkt_len
+ */
+ if (m->pkt_len < IAVF_TX_MIN_PKT_LEN ||
+ (m->nb_segs == 1 && m->data_len != m->pkt_len)) {
rte_errno = EINVAL;
return i;
}
--
2.43.0
^ permalink raw reply [flat|nested] 5+ messages in thread* Re: [PATCH] net/iavf: add segment-length check to Tx prep
2024-11-11 16:42 [PATCH] net/iavf: add segment-length check to Tx prep Bruce Richardson
@ 2024-11-11 17:46 ` Medvedkin, Vladimir
2024-11-19 9:17 ` Connolly, Padraig J
0 siblings, 1 reply; 5+ messages in thread
From: Medvedkin, Vladimir @ 2024-11-11 17:46 UTC (permalink / raw)
To: Bruce Richardson, dev
Cc: stable, Padraig Connolly, Ian Stokes, Qi Zhang, Kevin Liu
Acked-by: Vladimir Medvedkin <vladimir.medvedkin@intel.com>
On 11/11/2024 16:42, Bruce Richardson wrote:
> In the Tx prep function, the metadata checks were only checking the
> packet length and ignoring the data length. For single-buffer packets we
> can quickly check that the data length is the packet length.
>
> Fixes: 19ee91c6bd9a ("net/iavf: check illegal packet sizes")
> Cc: stable@dpdk.org
>
> Reported-by: Padraig Connolly <padraig.j.connolly@intel.com>
> Signed-off-by: Bruce Richardson <bruce.richardson@intel.com>
> ---
> drivers/net/iavf/iavf_rxtx.c | 6 +++++-
> 1 file changed, 5 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/net/iavf/iavf_rxtx.c b/drivers/net/iavf/iavf_rxtx.c
> index 4850b9e381..6a093c6746 100644
> --- a/drivers/net/iavf/iavf_rxtx.c
> +++ b/drivers/net/iavf/iavf_rxtx.c
> @@ -3677,7 +3677,11 @@ iavf_prep_pkts(__rte_unused void *tx_queue, struct rte_mbuf **tx_pkts,
> return i;
> }
>
> - if (m->pkt_len < IAVF_TX_MIN_PKT_LEN) {
> + /* valid packets are greater than min size, and single-buffer pkts
> + * must have data_len == pkt_len
> + */
> + if (m->pkt_len < IAVF_TX_MIN_PKT_LEN ||
> + (m->nb_segs == 1 && m->data_len != m->pkt_len)) {
> rte_errno = EINVAL;
> return i;
> }
--
Regards,
Vladimir
^ permalink raw reply [flat|nested] 5+ messages in thread* Re: [PATCH] net/iavf: add segment-length check to Tx prep
2024-11-11 17:46 ` Medvedkin, Vladimir
@ 2024-11-19 9:17 ` Connolly, Padraig J
2024-11-19 9:54 ` Connolly, Padraig J
2024-11-19 11:41 ` Bruce Richardson
0 siblings, 2 replies; 5+ messages in thread
From: Connolly, Padraig J @ 2024-11-19 9:17 UTC (permalink / raw)
To: Medvedkin, Vladimir, Richardson, Bruce, dev
Cc: stable, Stokes, Ian, Zhang, Qi Z, Kevin Liu
[-- Attachment #1: Type: text/plain, Size: 2018 bytes --]
________________________________
From: Medvedkin, Vladimir <vladimir.medvedkin@intel.com>
Sent: Monday 11 November 2024 5:46 pm
To: Richardson, Bruce <bruce.richardson@intel.com>; dev@dpdk.org <dev@dpdk.org>
Cc: stable@dpdk.org <stable@dpdk.org>; Connolly, Padraig J <padraig.j.connolly@intel.com>; Stokes, Ian <ian.stokes@intel.com>; Zhang, Qi Z <qi.z.zhang@intel.com>; Kevin Liu <kevinx.liu@intel.com>
Subject: Re: [PATCH] net/iavf: add segment-length check to Tx prep
Acked-by: Vladimir Medvedkin <vladimir.medvedkin@intel.com>
On 11/11/2024 16:42, Bruce Richardson wrote:
> In the Tx prep function, the metadata checks were only checking the
> packet length and ignoring the data length. For single-buffer packets we
> can quickly check that the data length is the packet length.
>
> Fixes: 19ee91c6bd9a ("net/iavf: check illegal packet sizes")
> Cc: stable@dpdk.org
>
> Reported-by: Padraig Connolly <padraig.j.connolly@intel.com>
> Signed-off-by: Bruce Richardson <bruce.richardson@intel.com>
> ---
> drivers/net/iavf/iavf_rxtx.c | 6 +++++-
> 1 file changed, 5 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/net/iavf/iavf_rxtx.c b/drivers/net/iavf/iavf_rxtx.c
> index 4850b9e381..6a093c6746 100644
> --- a/drivers/net/iavf/iavf_rxtx.c
> +++ b/drivers/net/iavf/iavf_rxtx.c
> @@ -3677,7 +3677,11 @@ iavf_prep_pkts(__rte_unused void *tx_queue, struct rte_mbuf **tx_pkts,
> return i;
> }
>
> - if (m->pkt_len < IAVF_TX_MIN_PKT_LEN) {
> + /* valid packets are greater than min size, and single-buffer pkts
> + * must have data_len == pkt_len
> + */
> + if (m->pkt_len < IAVF_TX_MIN_PKT_LEN ||
> + (m->nb_segs == 1 && m->data_len != m->pkt_len)) {
> rte_errno = EINVAL;
> return i;
> }
--
Regards,
Vladimir
Tested-by: Padraig Connolly <padraig.j.connolly@intel.com>
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^ permalink raw reply [flat|nested] 5+ messages in thread* Re: [PATCH] net/iavf: add segment-length check to Tx prep
2024-11-19 9:17 ` Connolly, Padraig J
@ 2024-11-19 9:54 ` Connolly, Padraig J
2024-11-19 11:41 ` Bruce Richardson
1 sibling, 0 replies; 5+ messages in thread
From: Connolly, Padraig J @ 2024-11-19 9:54 UTC (permalink / raw)
To: Medvedkin, Vladimir, Richardson, Bruce, dev
Cc: stable, Stokes, Ian, Zhang, Qi Z, Kevin Liu
[-- Attachment #1: Type: text/plain, Size: 1661 bytes --]
Tested-by: Padraig Connolly <padraig.j.connolly@intel.com>
> Acked-by: Vladimir Medvedkin <vladimir.medvedkin@intel.com>
>On 11/11/2024 16:42, Bruce Richardson wrote:
> > In the Tx prep function, the metadata checks were only checking the
> > packet length and ignoring the data length. For single-buffer packets we
> > can quickly check that the data length is the packet length.
> >
> > Fixes: 19ee91c6bd9a ("net/iavf: check illegal packet sizes")
> > Cc: stable@dpdk.org
> >
> > Reported-by: Padraig Connolly <padraig.j.connolly@intel.com>
> > Signed-off-by: Bruce Richardson <bruce.richardson@intel.com>
> > ---
> > drivers/net/iavf/iavf_rxtx.c | 6 +++++-
> > 1 file changed, 5 insertions(+), 1 deletion(-)
> >
> > diff --git a/drivers/net/iavf/iavf_rxtx.c b/drivers/net/iavf/iavf_rxtx.c
> > index 4850b9e381..6a093c6746 100644
> > --- a/drivers/net/iavf/iavf_rxtx.c
> > +++ b/drivers/net/iavf/iavf_rxtx.c
> > @@ -3677,7 +3677,11 @@ iavf_prep_pkts(__rte_unused void *tx_queue, struct rte_mbuf **tx_pkts,
> > return i;
> > }
> >
> > - if (m->pkt_len < IAVF_TX_MIN_PKT_LEN) {
> > + /* valid packets are greater than min size, and single-buffer pkts
> > + * must have data_len == pkt_len
> > + */
> > + if (m->pkt_len < IAVF_TX_MIN_PKT_LEN ||
> > + (m->nb_segs == 1 && m->data_len != m->pkt_len)) {
> > rte_errno = EINVAL;
> > return i;
> > }
--
Regards,
Vladimir
Tested-by: Padraig Connolly <padraig.j.connolly@intel.com>
[-- Attachment #2: Type: text/html, Size: 3803 bytes --]
^ permalink raw reply [flat|nested] 5+ messages in thread* Re: [PATCH] net/iavf: add segment-length check to Tx prep
2024-11-19 9:17 ` Connolly, Padraig J
2024-11-19 9:54 ` Connolly, Padraig J
@ 2024-11-19 11:41 ` Bruce Richardson
1 sibling, 0 replies; 5+ messages in thread
From: Bruce Richardson @ 2024-11-19 11:41 UTC (permalink / raw)
To: Connolly, Padraig J
Cc: Medvedkin, Vladimir, dev, stable, Stokes, Ian, Zhang, Qi Z, Kevin Liu
On Tue, Nov 19, 2024 at 09:17:57AM +0000, Connolly, Padraig J wrote:
> __________________________________________________________________
>
> From: Medvedkin, Vladimir <vladimir.medvedkin@intel.com>
> Sent: Monday 11 November 2024 5:46 pm
> To: Richardson, Bruce <bruce.richardson@intel.com>; dev@dpdk.org
> <dev@dpdk.org>
> Cc: stable@dpdk.org <stable@dpdk.org>; Connolly, Padraig J
> <padraig.j.connolly@intel.com>; Stokes, Ian <ian.stokes@intel.com>;
> Zhang, Qi Z <qi.z.zhang@intel.com>; Kevin Liu <kevinx.liu@intel.com>
> Subject: Re: [PATCH] net/iavf: add segment-length check to Tx prep
>
> On 11/11/2024 16:42, Bruce Richardson wrote:
> > In the Tx prep function, the metadata checks were only checking the
> > packet length and ignoring the data length. For single-buffer packets
> we
> > can quickly check that the data length is the packet length.
> >
> > Fixes: 19ee91c6bd9a ("net/iavf: check illegal packet sizes")
> > Cc: stable@dpdk.org
> >
> > Reported-by: Padraig Connolly <padraig.j.connolly@intel.com>
> > Signed-off-by: Bruce Richardson <bruce.richardson@intel.com>
> Acked-by: Vladimir Medvedkin <vladimir.medvedkin@intel.com>
> Tested-by: Padraig Connolly <padraig.j.connolly@intel.com>
Applied to dpdk-next-net-intel
/Bruce
^ permalink raw reply [flat|nested] 5+ messages in thread
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2024-11-11 16:42 [PATCH] net/iavf: add segment-length check to Tx prep Bruce Richardson
2024-11-11 17:46 ` Medvedkin, Vladimir
2024-11-19 9:17 ` Connolly, Padraig J
2024-11-19 9:54 ` Connolly, Padraig J
2024-11-19 11:41 ` Bruce Richardson
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