[PATCH v2] examples/ipsec-secgw: fix fallback session create

[Radu Nicolau]

Fix fallback session create for inline sessions.

Fixes: a8ade12123c3 ("examples/ipsec-secgw: create lookaside sessions at init")
Cc: vfia...@marvell.com

Signed-off-by: Radu Nicolau <radu.nico...@intel.com>
---
v2: create the session rather than just check if it's NULLL

 examples/ipsec-secgw/sa.c | 23 ++++++++++++++++-------
 1 file changed, 16 insertions(+), 7 deletions(-)

diff --git a/examples/ipsec-secgw/sa.c b/examples/ipsec-secgw/sa.c
index 5d9cec97db..d081cd0e2c 100644
--- a/examples/ipsec-secgw/sa.c
+++ b/examples/ipsec-secgw/sa.c
@@ -1533,7 +1533,8 @@ fill_ipsec_session(struct rte_ipsec_session *ss, struct 
rte_ipsec_sa *sa)
  * Initialise related rte_ipsec_sa object.
  */
 static int
-ipsec_sa_init(struct ipsec_sa *lsa, struct rte_ipsec_sa *sa, uint32_t sa_size)
+ipsec_sa_init(struct ipsec_sa *lsa, struct rte_ipsec_sa *sa, uint32_t sa_size,
+               struct socket_ctx *skt_ctx, struct ipsec_ctx *ips_ctx[])
 {
        int rc;
        struct rte_ipsec_sa_prm prm;
@@ -1572,8 +1573,15 @@ ipsec_sa_init(struct ipsec_sa *lsa, struct rte_ipsec_sa 
*sa, uint32_t sa_size)
                return rc;
 
        /* init inline fallback processing session */
-       if (lsa->fallback_sessions == 1)
-               rc = fill_ipsec_session(ipsec_get_fallback_session(lsa), sa);
+       if (lsa->fallback_sessions == 1) {
+               struct rte_ipsec_session *ipfs = 
ipsec_get_fallback_session(lsa);
+               if (ipfs->security.ses == NULL) {
+                       rc = create_lookaside_session(ips_ctx, skt_ctx, lsa, 
ipfs);
+                       if (rc != 0)
+                               return rc;
+               }
+               rc = fill_ipsec_session(ipfs, sa);
+       }
 
        return rc;
 }
@@ -1583,7 +1591,8 @@ ipsec_sa_init(struct ipsec_sa *lsa, struct rte_ipsec_sa 
*sa, uint32_t sa_size)
  * one per session.
  */
 static int
-ipsec_satbl_init(struct sa_ctx *ctx, uint32_t nb_ent, int32_t socket)
+ipsec_satbl_init(struct sa_ctx *ctx, uint32_t nb_ent, int32_t socket,
+               struct socket_ctx *skt_ctx, struct ipsec_ctx *ips_ctx[])
 {
        int32_t rc, sz;
        uint32_t i, idx;
@@ -1621,7 +1630,7 @@ ipsec_satbl_init(struct sa_ctx *ctx, uint32_t nb_ent, 
int32_t socket)
                sa = (struct rte_ipsec_sa *)((uintptr_t)ctx->satbl + sz * i);
                lsa = ctx->sa + idx;
 
-               rc = ipsec_sa_init(lsa, sa, sz);
+               rc = ipsec_sa_init(lsa, sa, sz, skt_ctx, ips_ctx);
        }
 
        return rc;
@@ -1700,7 +1709,7 @@ sa_init(struct socket_ctx *ctx, int32_t socket_id,
 
                if (app_sa_prm.enable != 0) {
                        rc = ipsec_satbl_init(ctx->sa_in, nb_sa_in,
-                               socket_id);
+                               socket_id, ctx, ipsec_ctx);
                        if (rc != 0)
                                rte_exit(EXIT_FAILURE,
                                        "failed to init inbound SAs\n");
@@ -1722,7 +1731,7 @@ sa_init(struct socket_ctx *ctx, int32_t socket_id,
 
                if (app_sa_prm.enable != 0) {
                        rc = ipsec_satbl_init(ctx->sa_out, nb_sa_out,
-                               socket_id);
+                               socket_id, ctx, ipsec_ctx);
                        if (rc != 0)
                                rte_exit(EXIT_FAILURE,
                                        "failed to init outbound SAs\n");
-- 
2.25.1