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examples/ipsec-secgw: use mbuf packet type in ev worker

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Use mbuf packet type for traffic identification as
packet is parsed already by HW before and HW/PMD updates
necessary info in mbuf packet type of the found protocols.

This change is specifically for event mode.

Signed-off-by: Nithin Dabilpuram <ndabilpuram@marvell.com>
Acked-by: Akhil Goyal <gakhil@marvell.com>
This commit is contained in:
Nithin Dabilpuram 2021-08-25 12:05:42 +05:30 committed by Akhil Goyal
parent 7bfca3894a
commit 2e7abb8bb8
1 changed files with 9 additions and 6 deletions
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15
examples/ipsec-secgw/ipsec_worker.c
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@ -21,19 +21,22 @@ static inline enum pkt_type
process_ipsec_get_pkt_type(struct rte_mbuf *pkt, uint8_t **nlp)
{
struct rte_ether_hdr *eth;
uint32_t ptype = pkt->packet_type;
eth = rte_pktmbuf_mtod(pkt, struct rte_ether_hdr *);
if (eth->ether_type == rte_cpu_to_be_16(RTE_ETHER_TYPE_IPV4)) {
rte_prefetch0(eth);
if (RTE_ETH_IS_IPV4_HDR(ptype)) {
*nlp = RTE_PTR_ADD(eth, RTE_ETHER_HDR_LEN +
offsetof(struct ip, ip_p));
if (**nlp == IPPROTO_ESP)
if ((ptype & RTE_PTYPE_TUNNEL_MASK) == RTE_PTYPE_TUNNEL_ESP)
return PKT_TYPE_IPSEC_IPV4;
else
return PKT_TYPE_PLAIN_IPV4;
} else if (eth->ether_type == rte_cpu_to_be_16(RTE_ETHER_TYPE_IPV6)) {
} else if (RTE_ETH_IS_IPV6_HDR(ptype)) {
*nlp = RTE_PTR_ADD(eth, RTE_ETHER_HDR_LEN +
offsetof(struct ip6_hdr, ip6_nxt));
if (**nlp == IPPROTO_ESP)
if ((ptype & RTE_PTYPE_TUNNEL_MASK) == RTE_PTYPE_TUNNEL_ESP)
return PKT_TYPE_IPSEC_IPV6;
else
return PKT_TYPE_PLAIN_IPV6;
@ -343,7 +346,7 @@ process_ipsec_ev_outbound(struct ipsec_ctx *ctx, struct route_table *rt,
}
/* Validate sa_idx */
if (sa_idx >= ctx->sa_ctx->nb_sa)
if (unlikely(sa_idx >= ctx->sa_ctx->nb_sa))
goto drop_pkt_and_exit;
/* Else the packet has to be protected */
@ -358,7 +361,7 @@ process_ipsec_ev_outbound(struct ipsec_ctx *ctx, struct route_table *rt,
sess = ipsec_get_primary_session(sa);
/* Allow only inline protocol for now */
if (sess->type != RTE_SECURITY_ACTION_TYPE_INLINE_PROTOCOL) {
if (unlikely(sess->type != RTE_SECURITY_ACTION_TYPE_INLINE_PROTOCOL)) {
RTE_LOG(ERR, IPSEC, "SA type not supported\n");
goto drop_pkt_and_exit;
}