[dpdk-dev] [PATCH] net/enic: use new Rx checksum flags

[John Daley]

Use the new L3 and L4 ..CKSUM_GOOD  and ..CKSUM_UNKNOWN flags to
distinguish good checksums from unknown ones.

Signed-off-by: John Daley <johnd...@cisco.com>
---
 drivers/net/enic/enic_rxtx.c | 29 +++++++++++++++++++----------
 1 file changed, 19 insertions(+), 10 deletions(-)

diff --git a/drivers/net/enic/enic_rxtx.c b/drivers/net/enic/enic_rxtx.c
index 5d59d8f..981be3a 100644
--- a/drivers/net/enic/enic_rxtx.c
+++ b/drivers/net/enic/enic_rxtx.c
@@ -260,16 +260,25 @@ enic_cq_rx_to_pkt_flags(struct cq_desc *cqd, struct 
rte_mbuf *mbuf)
        }
 
        /* checksum flags */
-       if (!enic_cq_rx_desc_csum_not_calc(cqrd) &&
-               (mbuf->packet_type & RTE_PTYPE_L3_IPV4)) {
-               uint32_t l4_flags = mbuf->packet_type & RTE_PTYPE_L4_MASK;
-
-               if (unlikely(!enic_cq_rx_desc_ipv4_csum_ok(cqrd)))
-                       pkt_flags |= PKT_RX_IP_CKSUM_BAD;
-               if (l4_flags == RTE_PTYPE_L4_UDP ||
-                   l4_flags == RTE_PTYPE_L4_TCP) {
-                       if (unlikely(!enic_cq_rx_desc_tcp_udp_csum_ok(cqrd)))
-                               pkt_flags |= PKT_RX_L4_CKSUM_BAD;
+       if (mbuf->packet_type & RTE_PTYPE_L3_IPV4) {
+               if (enic_cq_rx_desc_csum_not_calc(cqrd))
+                       pkt_flags |= (PKT_RX_IP_CKSUM_UNKNOWN &
+                                    PKT_RX_L4_CKSUM_UNKNOWN);
+               else {
+                       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
+                               pkt_flags |= PKT_RX_IP_CKSUM_BAD;
+
+                       if (l4_flags & (RTE_PTYPE_L4_UDP | RTE_PTYPE_L4_TCP)) {
+                               if (enic_cq_rx_desc_tcp_udp_csum_ok(cqrd))
+                                       pkt_flags |= PKT_RX_L4_CKSUM_GOOD;
+                               else
+                                       pkt_flags |= PKT_RX_L4_CKSUM_BAD;
+                       }
                }
        }
 
-- 
2.10.0