doc: add Meson coding style to contributors guide

[dpdk.git] / lib / librte_gso / gso_tunnel_tcp4.c

diff --git a/lib/librte_gso/gso_tunnel_tcp4.c b/lib/librte_gso/gso_tunnel_tcp4.c
index f5a19bc..166aace 100644 (file)
--- a/lib/librte_gso/gso_tunnel_tcp4.c
+++ b/lib/librte_gso/gso_tunnel_tcp4.c
@@ -10,7 +10,7 @@ update_tunnel_ipv4_tcp_headers(struct rte_mbuf *pkt, uint8_t ipid_delta,
                struct rte_mbuf **segs, uint16_t nb_segs)
 {
        struct rte_ipv4_hdr *ipv4_hdr;
-       struct tcp_hdr *tcp_hdr;
+       struct rte_tcp_hdr *tcp_hdr;
        uint32_t sent_seq;
        uint16_t outer_id, inner_id, tail_idx, i;
        uint16_t outer_ipv4_offset, inner_ipv4_offset;
@@ -32,7 +32,7 @@ update_tunnel_ipv4_tcp_headers(struct rte_mbuf *pkt, uint8_t ipid_delta,
                        inner_ipv4_offset);
        inner_id = rte_be_to_cpu_16(ipv4_hdr->packet_id);
 
-       tcp_hdr = (struct tcp_hdr *)((char *)ipv4_hdr + pkt->l3_len);
+       tcp_hdr = (struct rte_tcp_hdr *)((char *)ipv4_hdr + pkt->l3_len);
        sent_seq = rte_be_to_cpu_32(tcp_hdr->sent_seq);
        tail_idx = nb_segs - 1;
 
@@ -62,7 +62,7 @@ gso_tunnel_tcp4_segment(struct rte_mbuf *pkt,
 {
        struct rte_ipv4_hdr *inner_ipv4_hdr;
        uint16_t pyld_unit_size, hdr_offset, frag_off;
-       int ret = 1;
+       int ret;
 
        hdr_offset = pkt->outer_l2_len + pkt->outer_l3_len + pkt->l2_len;
        inner_ipv4_hdr = (struct rte_ipv4_hdr *)(rte_pktmbuf_mtod(pkt, char *) +
@@ -73,25 +73,21 @@ gso_tunnel_tcp4_segment(struct rte_mbuf *pkt,
         */
        frag_off = rte_be_to_cpu_16(inner_ipv4_hdr->fragment_offset);
        if (unlikely(IS_FRAGMENTED(frag_off))) {
-               pkts_out[0] = pkt;
-               return 1;
+               return 0;
        }
 
        hdr_offset += pkt->l3_len + pkt->l4_len;
        /* Don't process the packet without data */
        if (hdr_offset >= pkt->pkt_len) {
-               pkts_out[0] = pkt;
-               return 1;
+               return 0;
        }
        pyld_unit_size = gso_size - hdr_offset;
 
        /* Segment the payload */
        ret = gso_do_segment(pkt, hdr_offset, pyld_unit_size, direct_pool,
                        indirect_pool, pkts_out, nb_pkts_out);
-       if (ret <= 1)
-               return ret;
-
-       update_tunnel_ipv4_tcp_headers(pkt, ipid_delta, pkts_out, ret);
+       if (ret > 1)
+               update_tunnel_ipv4_tcp_headers(pkt, ipid_delta, pkts_out, ret);
 
        return ret;
 }