[dpdk-dev] [PATCH] net: add support for UDP segmentation case

[Radu Nicolau]

Add support to the ipv4/ipv6 pseudo-header function when TSO is enabled
in the UDP case, eg  PKT_TX_UDP_SEG is set in the mbuf ol_flags

Signed-off-by: Declan Doherty <declan.dohe...@intel.com>
Signed-off-by: Radu Nicolau <radu.nico...@intel.com>
---
 lib/net/rte_ip.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/net/rte_ip.h b/lib/net/rte_ip.h
index 05948b69b7..c916ec1b09 100644
--- a/lib/net/rte_ip.h
+++ b/lib/net/rte_ip.h
@@ -333,7 +333,7 @@ rte_ipv4_phdr_cksum(const struct rte_ipv4_hdr *ipv4_hdr, 
uint64_t ol_flags)
        psd_hdr.dst_addr = ipv4_hdr->dst_addr;
        psd_hdr.zero = 0;
        psd_hdr.proto = ipv4_hdr->next_proto_id;
-       if (ol_flags & PKT_TX_TCP_SEG) {
+       if (ol_flags & (PKT_TX_TCP_SEG | PKT_TX_UDP_SEG)) {
                psd_hdr.len = 0;
        } else {
                l3_len = rte_be_to_cpu_16(ipv4_hdr->total_length);
@@ -474,7 +474,7 @@ rte_ipv6_phdr_cksum(const struct rte_ipv6_hdr *ipv6_hdr, 
uint64_t ol_flags)
        } psd_hdr;
 
        psd_hdr.proto = (uint32_t)(ipv6_hdr->proto << 24);
-       if (ol_flags & PKT_TX_TCP_SEG) {
+       if (ol_flags & (PKT_TX_TCP_SEG | PKT_TX_UDP_SEG)) {
                psd_hdr.len = 0;
        } else {
                psd_hdr.len = ipv6_hdr->payload_len;
-- 
2.25.1