net/sfc: factor out function to get IPv4 packet ID for TSO

[dpdk.git] / drivers / net / sfc / sfc_tso.c

diff --git a/drivers/net/sfc/sfc_tso.c b/drivers/net/sfc/sfc_tso.c
index a882e64..1374ace 100644 (file)
--- a/drivers/net/sfc/sfc_tso.c
+++ b/drivers/net/sfc/sfc_tso.c
@@ -146,13 +146,8 @@ sfc_efx_tso_do(struct sfc_efx_txq *txq, unsigned int idx,
         * IPv4 flag. If the packet is still IPv4, HW will simply start from
         * zero IPID.
         */
-       if (m->ol_flags & PKT_TX_IPV4) {
-               const struct ipv4_hdr *iphe4;
-
-               iphe4 = (const struct ipv4_hdr *)(tsoh + nh_off);
-               rte_memcpy(&packet_id, &iphe4->packet_id, sizeof(uint16_t));
-               packet_id = rte_be_to_cpu_16(packet_id);
-       }
+       if (m->ol_flags & PKT_TX_IPV4)
+               packet_id = sfc_tso_ip4_get_ipid(tsoh, nh_off);
 
        /* Handle TCP header */
        th = (const struct tcp_hdr *)(tsoh + tcph_off);