[dpdk-dev] [patch] net/octeontx2: fix ptype get overflow

[Jerin Jacob]

On Wed, Aug 14, 2019 at 3:11 PM <pbhagavatula at marvell.com> wrote:
>
> From: Pavan Nikhilesh <pbhagavatula at marvell.com>
>
> The function `rte_eth_dev_get_supported_ptypes` expects the underlying
> ethernet device to return array of supported ptypes. The ethernet device
> needs to set `RTE_PTYPE_UNKNOWN` as the last element which signifies
> thats its the end of the ptype array.
> Else the function `rte_eth_dev_get_supported_ptypes` might overflow.
>

Cc: stable at dpdk.org

> Fixes: 6e892eabce11 ("net/octeontx2: support packet type")
>
> Signed-off-by: Pavan Nikhilesh <pbhagavatula at marvell.com>

Acked-by: Jerin Jacob <jerinj at marvell.com>


> ---
>  drivers/net/octeontx2/otx2_lookup.c | 1 +
>  1 file changed, 1 insertion(+)
>
> diff --git a/drivers/net/octeontx2/otx2_lookup.c b/drivers/net/octeontx2/otx2_lookup.c
> index 99199d08a..3347e7014 100644
> --- a/drivers/net/octeontx2/otx2_lookup.c
> +++ b/drivers/net/octeontx2/otx2_lookup.c
> @@ -53,6 +53,7 @@ otx2_nix_supported_ptypes_get(struct rte_eth_dev *eth_dev)
>                 RTE_PTYPE_INNER_L4_UDP,  /* LH */
>                 RTE_PTYPE_INNER_L4_SCTP, /* LH */
>                 RTE_PTYPE_INNER_L4_ICMP, /* LH */
> +               RTE_PTYPE_UNKNOWN,
>         };
>
>         if (dev->rx_offload_flags & NIX_RX_OFFLOAD_PTYPE_F)
> --
> 2.17.1
>