> -----Original Message-----
> From: dev <dev-boun...@dpdk.org> On Behalf Of Raslan Darawsheh
> Sent: Monday, April 20, 2020 6:32 PM
> To: bernard.iremon...@intel.com; jingjing...@intel.com;
> wenzhuo...@intel.com
> Cc: dev@dpdk.org; sta...@dpdk.org
> Subject: [dpdk-dev] [PATCH] app/testpmd: add parsing for multiple VLAN
> headers
>
> When having multiple VLANs in the packet, parse_ethernet
> is cabable of parsing only the first vlan.
>
> add parsing for mutliple VLAN headers in the packet.
>
> Fixes: 51f694dd40f5 ("app/testpmd: rework checksum forward engine")
> Cc: sta...@dpdk.org
>
> Signed-off-by: Raslan Darawsheh <rasl...@mellanox.com>
> ---
> app/test-pmd/csumonly.c | 12 ++++++------
> 1 file changed, 6 insertions(+), 6 deletions(-)
>
> diff --git a/app/test-pmd/csumonly.c b/app/test-pmd/csumonly.c
> index fe19615..b0665f7 100644
> --- a/app/test-pmd/csumonly.c
> +++ b/app/test-pmd/csumonly.c
> @@ -139,22 +139,22 @@ parse_ipv6(struct rte_ipv6_hdr *ipv6_hdr, struct
> testpmd_offload_info *info)
>
> /*
> * Parse an ethernet header to fill the ethertype, l2_len, l3_len and
> - * ipproto. This function is able to recognize IPv4/IPv6 with one optional
> vlan
> - * header. The l4_len argument is only set in case of TCP (useful for TSO).
> + * ipproto. This function is able to recognize IPv4/IPv6 with optional VLAN
> + * headers. The l4_len argument is only set in case of TCP (useful for TSO).
> */
> static void
> parse_ethernet(struct rte_ether_hdr *eth_hdr, struct testpmd_offload_info
> *info)
> {
> struct rte_ipv4_hdr *ipv4_hdr;
> struct rte_ipv6_hdr *ipv6_hdr;
> + struct rte_vlan_hdr *vlan_hdr;
>
> info->l2_len = sizeof(struct rte_ether_hdr);
> info->ethertype = eth_hdr->ether_type;
>
> - if (info->ethertype == _htons(RTE_ETHER_TYPE_VLAN)) {
> - struct rte_vlan_hdr *vlan_hdr = (
> - struct rte_vlan_hdr *)(eth_hdr + 1);
> -
> + while (info->ethertype == _htons(RTE_ETHER_TYPE_VLAN)) {
> + vlan_hdr = (struct rte_vlan_hdr *)
> + ((char *)eth_hdr + info->l2_len);
> info->l2_len += sizeof(struct rte_vlan_hdr);
> info->ethertype = vlan_hdr->eth_proto;
> }
> --
Acked-by: Ori Kam <or...@mellanox.com>
Thanks,
Ori
> 2.7.4
