[dpdk-dev] [PATCH] net/enic: set L4 checksum flags for IPv6 packets
Ferruh Yigit
ferruh.yigit at intel.com
Wed Jan 24 18:18:37 CET 2018
On 1/23/2018 1:05 AM, John Daley wrote:
> From: Hyong Youb Kim <hyonkim at cisco.com>
>
> enic_cq_rx_to_pkt_flags() currently sets checksum good/bad flags only
> for IPv4. The hardware actually validates the TCP/UDP checksum of
> IPv6 packets too. Set PKT_RX_L4_CKSUM_{GOOD,BAD} accordingly.
>
> Signed-off-by: Hyong Youb Kim <hyonkim at cisco.com>
> Reviewed-by: John Daley <johndale at cisco.com>
> ---
> drivers/net/enic/enic_rxtx.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/net/enic/enic_rxtx.c b/drivers/net/enic/enic_rxtx.c
> index 98902caa0..8157697a0 100644
> --- a/drivers/net/enic/enic_rxtx.c
> +++ b/drivers/net/enic/enic_rxtx.c
> @@ -185,14 +185,14 @@ enic_cq_rx_to_pkt_flags(struct cq_desc *cqd, struct rte_mbuf *mbuf)
> }
>
> /* checksum flags */
> - if (mbuf->packet_type & RTE_PTYPE_L3_IPV4) {
> + if (mbuf->packet_type & (RTE_PTYPE_L3_IPV4 | RTE_PTYPE_L3_IPV6)) {
> if (!enic_cq_rx_desc_csum_not_calc(cqrd)) {
> uint32_t l4_flags;
> l4_flags = mbuf->packet_type & RTE_PTYPE_L4_MASK;
>
> if (enic_cq_rx_desc_ipv4_csum_ok(cqrd))
> pkt_flags |= PKT_RX_IP_CKSUM_GOOD;
> - else
> + else if (mbuf->packet_type & RTE_PTYPE_L3_IPV4)
This looks like conflicting with commit log.
Is pkt_flags intentionally not set for this case?
If so can you update commit log to say only PKT_RX_IP_CKSUM_GOOD set for ipv6?
> pkt_flags |= PKT_RX_IP_CKSUM_BAD;
>
> if (l4_flags == RTE_PTYPE_L4_UDP ||
>
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