Re: [dpdk-dev] [PATCH v4 1/2] examples/ipsec-secgw: fix 1st packet dropped for inline crypto

[Akhil Goyal <akhil.goyal@nxp.com>]

Hi Bernard,

> -       RTE_LOG_DP(DEBUG, IPSEC, "Create session for SA spi %u on cryptodev "
> -                       "%u qp %u\n", sa->spi,
> -                       ipsec_ctx->tbl[cdev_id_qp].id,
> -                       ipsec_ctx->tbl[cdev_id_qp].qp);
> +       if ((sa == NULL) || (pool == NULL))
> +               return -EINVAL;
> 
> -       if (sa->type != RTE_SECURITY_ACTION_TYPE_NONE) {
> -               struct rte_security_session_conf sess_conf = {
> +       struct rte_security_session_conf sess_conf = {
>                         .action_type = sa->type,
>                         .protocol = RTE_SECURITY_PROTOCOL_IPSEC,
>                         {.ipsec = {
> @@ -90,247 +65,340 @@ create_session(struct ipsec_ctx *ipsec_ctx, struct
> ipsec_sa *sa)
>                         } },
>                         .crypto_xform = sa->xforms,
>                         .userdata = NULL,
> -
>                 };
> 
> -               if (sa->type == RTE_SECURITY_ACTION_TYPE_LOOKASIDE_PROTOCOL)
> {
> -                       struct rte_security_ctx *ctx = (struct rte_security_ctx *)
> -                                                       rte_cryptodev_get_sec_ctx(
> -                                                       ipsec_ctx->tbl[cdev_id_qp].id);
> -
> -                       /* Set IPsec parameters in conf */
> -                       set_ipsec_conf(sa, &(sess_conf.ipsec));
> -
> -                       sa->sec_session = rte_security_session_create(ctx,
> -                                       &sess_conf, ipsec_ctx->session_pool);
> -                       if (sa->sec_session == NULL) {
> -                               RTE_LOG(ERR, IPSEC,
> -                               "SEC Session init failed: err: %d\n", ret);
> -                               return -1;
> -                       }
> -               } else if (sa->type == RTE_SECURITY_ACTION_TYPE_INLINE_CRYPTO) {
> -                       struct rte_flow_error err;
> -                       struct rte_security_ctx *ctx = (struct rte_security_ctx *)
> -                                                       rte_eth_dev_get_sec_ctx(
> -                                                       sa->portid);
> -                       const struct rte_security_capability *sec_cap;
> -                       int ret = 0;
> -
> -                       sa->sec_session = rte_security_session_create(ctx,
> -                                       &sess_conf, ipsec_ctx->session_pool);
> -                       if (sa->sec_session == NULL) {
> -                               RTE_LOG(ERR, IPSEC,
> -                               "SEC Session init failed: err: %d\n", ret);
> -                               return -1;
> -                       }
> +       if (sa->type == RTE_SECURITY_ACTION_TYPE_LOOKASIDE_PROTOCOL) {
> +               ctx = (struct rte_security_ctx *)
> +                               rte_eth_dev_get_sec_ctx(sa->portid);

This is breaking the lookaside mode. Ctx was retrieved using the ipsec_ctx->tbl
struct rte_security_ctx *ctx = (struct rte_security_ctx *)
				rte_cryptodev_get_sec_ctx(
				ipsec_ctx->tbl[cdev_id_qp].id);

I am looking into it, but I don't have time left to get it integrated in RC2. So this has to be pushed to RC3



> 
> -                       sec_cap = rte_security_capabilities_get(ctx);
> +               /* Set IPsec parameters in conf */
> +               set_ipsec_conf(sa, &(sess_conf.ipsec));
> 
> -                       /* iterate until ESP tunnel*/
> -                       while (sec_cap->action !=
> -                                       RTE_SECURITY_ACTION_TYPE_NONE) {
> +               sa->sec_session = rte_security_session_create(ctx,
> +                               &sess_conf, pool);
> +               if (sa->sec_session == NULL) {
> +                       RTE_LOG(ERR, IPSEC,
> +                               "SEC Session init failed: err: %d\n",
> +                               ret);
> +                       return -1;
> +               }