Re: [dpdk-stable] [PATCH v5 1/2] examples/ipsec-secgw: fix 1st pkt dropped for inline crypto

["Iremonger, Bernard" <bernard.iremonger@intel.com>]

Hi Konstantin,

> -----Original Message-----
> From: Ananyev, Konstantin
> Sent: Tuesday, June 11, 2019 4:29 PM
> To: Iremonger, Bernard <bernard.iremonger@intel.com>; dev@dpdk.org;
> akhil.goyal@nxp.com
> Cc: stable@dpdk.org
> Subject: RE: [PATCH v5 1/2] examples/ipsec-secgw: fix 1st pkt dropped for inline
> crypto
> 
> Hi Bernard,
> Few small comments below.
> Konstantin
> 
> > Inline crypto installs a flow rule in the NIC. This flow rule must be
> > installed before the first inbound packet is received.
> >
> > The create_session() function installs the flow rule,
> > create_session() has been refactored into create_inline_session() and
> > create_lookaside_session(). The create_inline_session() function uses
> > the socket_ctx data and is now called at initialisation in
> > sa_add_rules().
> >
> > The max_session_size() function has been added to calculate memory
> > requirements.
> >
> > The cryprodev_init() function has been refactored to drop calls to
> > rte_mempool_create() and to drop calculation of memory requirements.
> >
> > The main() function has been refactored to call max_session_size() and
> > to call session_pool_init() and session_priv_pool_init() earlier.
> > The ports are started now before adding a flow rule in main().
> > The sa_init(), sp4_init(), sp6_init() and rt_init() functions are now
> > called after the ports have been started.
> >
> > The rte_ipsec_session_prepare() function is called in
> > fill_ipsec_session() for inline which is called from the ipsec_sa_init() function.
> >
> > Fixes: ec17993a145a ("examples/ipsec-secgw: support security offload")
> > Fixes: d299106e8e31 ("examples/ipsec-secgw: add IPsec sample
> > application")
> > Cc: stable@dpdk.org
> >
> > Signed-off-by: Bernard Iremonger <bernard.iremonger@intel.com>
> > ---
> >  examples/ipsec-secgw/ipsec-secgw.c   | 244 +++++++++++++++++--------------
> ----
> >  examples/ipsec-secgw/ipsec.c         | 122 ++++++++++++------
> >  examples/ipsec-secgw/ipsec.h         |   5 +-
> >  examples/ipsec-secgw/ipsec_process.c |   9 +-
> >  examples/ipsec-secgw/sa.c            |  46 +++++--
> >  5 files changed, 245 insertions(+), 181 deletions(-)
> >
> > diff --git a/examples/ipsec-secgw/ipsec-secgw.c
> > b/examples/ipsec-secgw/ipsec-secgw.c
> > index 6c626fa..24876ba 100644
> > --- a/examples/ipsec-secgw/ipsec-secgw.c
> > +++ b/examples/ipsec-secgw/ipsec-secgw.c
> > @@ -1628,7 +1628,7 @@ cryptodevs_init(void)
> >  	struct rte_cryptodev_config dev_conf;
> >  	struct rte_cryptodev_qp_conf qp_conf;
> >  	uint16_t idx, max_nb_qps, qp, i;
> > -	int16_t cdev_id, port_id;
> > +	int16_t cdev_id;
> >  	struct rte_hash_parameters params = { 0 };
> >
> >  	params.entries = CDEV_MAP_ENTRIES;
> > @@ -1651,45 +1651,6 @@ cryptodevs_init(void)
> >
> >  	printf("lcore/cryptodev/qp mappings:\n");
> >
> > -	uint32_t max_sess_sz = 0, sess_sz;
> > -	for (cdev_id = 0; cdev_id < rte_cryptodev_count(); cdev_id++) {
> > -		void *sec_ctx;
> > -
> > -		/* Get crypto priv session size */
> > -		sess_sz =
> rte_cryptodev_sym_get_private_session_size(cdev_id);
> > -		if (sess_sz > max_sess_sz)
> > -			max_sess_sz = sess_sz;
> > -
> > -		/*
> > -		 * If crypto device is security capable, need to check the
> > -		 * size of security session as well.
> > -		 */
> > -
> > -		/* Get security context of the crypto device */
> > -		sec_ctx = rte_cryptodev_get_sec_ctx(cdev_id);
> > -		if (sec_ctx == NULL)
> > -			continue;
> > -
> > -		/* Get size of security session */
> > -		sess_sz = rte_security_session_get_size(sec_ctx);
> > -		if (sess_sz > max_sess_sz)
> > -			max_sess_sz = sess_sz;
> > -	}
> > -	RTE_ETH_FOREACH_DEV(port_id) {
> > -		void *sec_ctx;
> > -
> > -		if ((enabled_port_mask & (1 << port_id)) == 0)
> > -			continue;
> > -
> > -		sec_ctx = rte_eth_dev_get_sec_ctx(port_id);
> > -		if (sec_ctx == NULL)
> > -			continue;
> > -
> > -		sess_sz = rte_security_session_get_size(sec_ctx);
> > -		if (sess_sz > max_sess_sz)
> > -			max_sess_sz = sess_sz;
> > -	}
> > -
> >  	idx = 0;
> >  	for (cdev_id = 0; cdev_id < rte_cryptodev_count(); cdev_id++) {
> >  		struct rte_cryptodev_info cdev_info; @@ -1727,45 +1688,6
> @@
> > cryptodevs_init(void)
> >  				"Device does not support at least %u "
> >  				"sessions", CDEV_MP_NB_OBJS);
> >
> > -		if (!socket_ctx[dev_conf.socket_id].session_pool) {
> > -			char mp_name[RTE_MEMPOOL_NAMESIZE];
> > -			struct rte_mempool *sess_mp;
> > -
> > -			snprintf(mp_name, RTE_MEMPOOL_NAMESIZE,
> > -					"sess_mp_%u", dev_conf.socket_id);
> > -			sess_mp = rte_cryptodev_sym_session_pool_create(
> > -					mp_name, CDEV_MP_NB_OBJS,
> > -					0, CDEV_MP_CACHE_SZ, 0,
> > -					dev_conf.socket_id);
> > -			socket_ctx[dev_conf.socket_id].session_pool =
> sess_mp;
> > -		}
> > -
> > -		if (!socket_ctx[dev_conf.socket_id].session_priv_pool) {
> > -			char mp_name[RTE_MEMPOOL_NAMESIZE];
> > -			struct rte_mempool *sess_mp;
> > -
> > -			snprintf(mp_name, RTE_MEMPOOL_NAMESIZE,
> > -					"sess_mp_priv_%u",
> dev_conf.socket_id);
> > -			sess_mp = rte_mempool_create(mp_name,
> > -					CDEV_MP_NB_OBJS,
> > -					max_sess_sz,
> > -					CDEV_MP_CACHE_SZ,
> > -					0, NULL, NULL, NULL,
> > -					NULL, dev_conf.socket_id,
> > -					0);
> > -			socket_ctx[dev_conf.socket_id].session_priv_pool =
> > -					sess_mp;
> > -		}
> > -
> > -		if (!socket_ctx[dev_conf.socket_id].session_priv_pool ||
> > -				!socket_ctx[dev_conf.socket_id].session_pool)
> > -			rte_exit(EXIT_FAILURE,
> > -				"Cannot create session pool on socket %d\n",
> > -				dev_conf.socket_id);
> > -		else
> > -			printf("Allocated session pool on socket %d\n",
> > -					dev_conf.socket_id);
> > -
> >  		if (rte_cryptodev_configure(cdev_id, &dev_conf))
> >  			rte_panic("Failed to initialize cryptodev %u\n",
> >  					cdev_id);
> > @@ -1786,39 +1708,6 @@ cryptodevs_init(void)
> >  					cdev_id);
> >  	}
> >
> > -	/* create session pools for eth devices that implement security */
> > -	RTE_ETH_FOREACH_DEV(port_id) {
> > -		if ((enabled_port_mask & (1 << port_id)) &&
> > -				rte_eth_dev_get_sec_ctx(port_id)) {
> > -			int socket_id = rte_eth_dev_socket_id(port_id);
> > -
> > -			if (!socket_ctx[socket_id].session_priv_pool) {
> > -				char mp_name[RTE_MEMPOOL_NAMESIZE];
> > -				struct rte_mempool *sess_mp;
> > -
> > -				snprintf(mp_name,
> RTE_MEMPOOL_NAMESIZE,
> > -						"sess_mp_%u", socket_id);
> > -				sess_mp = rte_mempool_create(mp_name,
> > -						(CDEV_MP_NB_OBJS * 2),
> > -						max_sess_sz,
> > -						CDEV_MP_CACHE_SZ,
> > -						0, NULL, NULL, NULL,
> > -						NULL, socket_id,
> > -						0);
> > -				if (sess_mp == NULL)
> > -					rte_exit(EXIT_FAILURE,
> > -						"Cannot create session pool "
> > -						"on socket %d\n", socket_id);
> > -				else
> > -					printf("Allocated session pool "
> > -						"on socket %d\n", socket_id);
> > -				socket_ctx[socket_id].session_priv_pool =
> > -						sess_mp;
> > -			}
> > -		}
> > -	}
> > -
> > -
> >  	printf("\n");
> >
> >  	return 0;
> > @@ -1984,6 +1873,99 @@ port_init(uint16_t portid, uint64_t
> req_rx_offloads, uint64_t req_tx_offloads)
> >  	printf("\n");
> >  }
> >
> > +static size_t
> > +max_session_size(void)
> > +{
> > +	size_t max_sz, sz;
> > +	void *sec_ctx;
> > +	int16_t cdev_id, port_id, n;
> > +
> > +	max_sz = 0;
> > +	n =  rte_cryptodev_count();
> > +	for (cdev_id = 0; cdev_id != n; cdev_id++) {
> > +		sz = rte_cryptodev_sym_get_private_session_size(cdev_id);
> > +		if (sz > max_sz)
> > +			max_sz = sz;
> > +		/*
> > +		 * If crypto device is security capable, need to check the
> > +		 * size of security session as well.
> > +		 */
> > +
> > +		/* Get security context of the crypto device */
> > +		sec_ctx = rte_cryptodev_get_sec_ctx(cdev_id);
> > +		if (sec_ctx == NULL)
> > +			continue;
> > +
> > +		/* Get size of security session */
> > +		sz = rte_security_session_get_size(sec_ctx);
> > +		if (sz > max_sz)
> > +			max_sz = sz;
> > +	}
> > +
> > +	RTE_ETH_FOREACH_DEV(port_id) {
> > +		if ((enabled_port_mask & (1 << port_id)) == 0)
> > +			continue;
> > +
> > +		sec_ctx = rte_eth_dev_get_sec_ctx(port_id);
> > +		if (sec_ctx == NULL)
> > +			continue;
> > +
> > +		sz = rte_security_session_get_size(sec_ctx);
> > +		if (sz > max_sz)
> > +			max_sz = sz;
> > +	}
> > +
> > +	return max_sz;
> > +}
> > +
> > +static void
> > +session_pool_init(struct socket_ctx *ctx, int32_t socket_id, size_t
> > +sess_sz) {
> > +	char mp_name[RTE_MEMPOOL_NAMESIZE];
> > +	struct rte_mempool *sess_mp;
> > +
> > +	snprintf(mp_name, RTE_MEMPOOL_NAMESIZE,
> > +			"sess_mp_%u", socket_id);
> > +	sess_mp = rte_cryptodev_sym_session_pool_create(
> > +			mp_name, CDEV_MP_NB_OBJS,
> > +			sess_sz, CDEV_MP_CACHE_SZ, 0,
> > +			socket_id);
> > +	ctx->session_pool = sess_mp;
> > +
> > +	if (ctx->session_pool == NULL)
> > +		rte_exit(EXIT_FAILURE,
> > +			"Cannot init session pool on socket %d\n", socket_id);
> > +	else
> > +		printf("Allocated session pool on socket %d\n",	socket_id);
> > +}
> > +
> > +static void
> > +session_priv_pool_init(struct socket_ctx *ctx, int32_t socket_id,
> > +	size_t sess_sz)
> > +{
> > +	char mp_name[RTE_MEMPOOL_NAMESIZE];
> > +	struct rte_mempool *sess_mp;
> > +
> > +	snprintf(mp_name, RTE_MEMPOOL_NAMESIZE,
> > +			"sess_mp_priv_%u", socket_id);
> > +	sess_mp = rte_mempool_create(mp_name,
> > +			CDEV_MP_NB_OBJS,
> > +			sess_sz,
> > +			CDEV_MP_CACHE_SZ,
> > +			0, NULL, NULL, NULL,
> > +			NULL, socket_id,
> > +			0);
> > +	ctx->session_priv_pool = sess_mp;
> > +
> > +	if (ctx->session_priv_pool == NULL)
> > +		rte_exit(EXIT_FAILURE,
> > +			"Cannot init session priv pool on socket %d\n",
> > +			socket_id);
> > +	else
> > +		printf("Allocated session priv pool on socket %d\n",
> > +			socket_id);
> > +}
> > +
> >  static void
> >  pool_init(struct socket_ctx *ctx, int32_t socket_id, uint32_t
> > nb_mbuf)  { @@ -2064,9 +2046,11 @@ main(int32_t argc, char **argv)  {
> >  	int32_t ret;
> >  	uint32_t lcore_id;
> > +	uint32_t i;
> >  	uint8_t socket_id;
> >  	uint16_t portid;
> >  	uint64_t req_rx_offloads, req_tx_offloads;
> > +	size_t sess_sz;
> >
> >  	/* init EAL */
> >  	ret = rte_eal_init(argc, argv);
> > @@ -2094,7 +2078,8 @@ main(int32_t argc, char **argv)
> >
> >  	nb_lcores = rte_lcore_count();
> >
> > -	/* Replicate each context per socket */
> > +	sess_sz = max_session_size();
> > +
> >  	for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
> >  		if (rte_lcore_is_enabled(lcore_id) == 0)
> >  			continue;
> > @@ -2104,20 +2089,14 @@ main(int32_t argc, char **argv)
> >  		else
> >  			socket_id = 0;
> >
> > +		/* mbuf_pool is initialised by the pool_init() function*/
> >  		if (socket_ctx[socket_id].mbuf_pool)
> >  			continue;
> >
> > -		/* initilaze SPD */
> > -		sp4_init(&socket_ctx[socket_id], socket_id);
> > -
> > -		sp6_init(&socket_ctx[socket_id], socket_id);
> > -
> > -		/* initilaze SAD */
> > -		sa_init(&socket_ctx[socket_id], socket_id);
> > -
> > -		rt_init(&socket_ctx[socket_id], socket_id);
> > -
> >  		pool_init(&socket_ctx[socket_id], socket_id, NB_MBUF);
> > +		session_pool_init(&socket_ctx[socket_id], socket_id, sess_sz);
> > +		session_priv_pool_init(&socket_ctx[socket_id], socket_id,
> > +			sess_sz);
> >  	}
> >
> >  	RTE_ETH_FOREACH_DEV(portid) {
> > @@ -2135,7 +2114,11 @@ main(int32_t argc, char **argv)
> >  		if ((enabled_port_mask & (1 << portid)) == 0)
> >  			continue;
> >
> > -		/* Start device */
> > +		/*
> > +		 * Start device
> > +		 * note: device must be started before a flow rule
> > +		 * can be installed.
> > +		 */
> >  		ret = rte_eth_dev_start(portid);
> >  		if (ret < 0)
> >  			rte_exit(EXIT_FAILURE, "rte_eth_dev_start: "
> > @@ -2153,6 +2136,19 @@ main(int32_t argc, char **argv)
> >  			RTE_ETH_EVENT_IPSEC, inline_ipsec_event_callback,
> NULL);
> >  	}
> >
> > +	/* Replicate each context per socket */
> > +	for (i = 0; i < NB_SOCKETS && i < rte_socket_count(); i++) {
> > +		socket_id = rte_socket_id_by_idx(i);
> > +		if ((socket_ctx[socket_id].mbuf_pool != NULL) &&
> > +			(socket_ctx[socket_id].sa_in == NULL) &&
> > +			(socket_ctx[socket_id].sa_out == NULL)) {
> > +			sa_init(&socket_ctx[socket_id], socket_id);
> > +			sp4_init(&socket_ctx[socket_id], socket_id);
> > +			sp6_init(&socket_ctx[socket_id], socket_id);
> > +			rt_init(&socket_ctx[socket_id], socket_id);
> > +		}
> > +	}
> > +
> >  	check_all_ports_link_status(enabled_port_mask);
> >
> >  	/* launch per-lcore init on every lcore */ diff --git
> > a/examples/ipsec-secgw/ipsec.c b/examples/ipsec-secgw/ipsec.c index
> > 7b85330..40a6123 100644
> > --- a/examples/ipsec-secgw/ipsec.c
> > +++ b/examples/ipsec-secgw/ipsec.c
> > @@ -40,7 +40,7 @@ set_ipsec_conf(struct ipsec_sa *sa, struct
> > rte_security_ipsec_xform *ipsec)  }
> >
> >  int
> > -create_session(struct ipsec_ctx *ipsec_ctx, struct ipsec_sa *sa)
> > +create_lookaside_session(struct ipsec_ctx *ipsec_ctx, struct ipsec_sa
> > +*sa)
> >  {
> >  	struct rte_cryptodev_info cdev_info;
> >  	unsigned long cdev_id_qp = 0;
> 
> 
> Actually looking at it a bit closer:
> 
> if (sa->type == RTE_SECURITY_ACTION_TYPE_NONE) {
> 
> I think we need to remove that line above, otherwise cdev_id_qp Would not be
> initialized for LOOKASIDE_PROTO.
> BTW, as I can see, same problem exists in current code.

Will do.

>                 ret = rte_hash_lookup_data(ipsec_ctx->cdev_map, &key,
>                                 (void **)&cdev_id_qp);
>                 if (ret < 0) {
>                         RTE_LOG(ERR, IPSEC,
>                                 "No cryptodev: core %u, cipher_algo %u, "
>                                 "auth_algo %u, aead_algo %u\n",
>                                 key.lcore_id,
>                                 key.cipher_algo,
>                                 key.auth_algo,
>                                 key.aead_algo);
>                         return -1;
>                 }
>         }
> 
> > @@ -108,23 +108,81 @@ create_session(struct ipsec_ctx *ipsec_ctx, struct
> ipsec_sa *sa)
> >  				"SEC Session init failed: err: %d\n", ret);
> >  				return -1;
> >  			}
> > -		} else if (sa->type ==
> RTE_SECURITY_ACTION_TYPE_INLINE_CRYPTO) {
> > +		} else if (
> > +			(sa->type ==
> RTE_SECURITY_ACTION_TYPE_INLINE_CRYPTO) ||
> > +			(sa->type ==
> RTE_SECURITY_ACTION_TYPE_INLINE_PROTOCOL)
> > +			) {
> > +				RTE_LOG(ERR, IPSEC, "Inline not supported\n");
> > +				return -1;
> > +		}
> > +	} else {
> > +		sa->crypto_session = rte_cryptodev_sym_session_create(
> > +				ipsec_ctx->session_pool);
> > +		rte_cryptodev_sym_session_init(ipsec_ctx->tbl[cdev_id_qp].id,
> > +				sa->crypto_session, sa->xforms,
> > +				ipsec_ctx->session_priv_pool);
> > +
> > +		rte_cryptodev_info_get(ipsec_ctx->tbl[cdev_id_qp].id,
> > +				&cdev_info);
> > +	}
> > +
> > +	sa->cdev_id_qp = cdev_id_qp;
> > +
> > +	return 0;
> > +}
> > +
> > +int
> > +create_inline_session(struct socket_ctx *skt_ctx, struct ipsec_sa
> > +*sa) {
> > +	unsigned long cdev_id_qp = 0;
> 
> This var is not really used in this function.

Will remove cdev_id_qp.
 
> > +	int32_t ret = 0;
> > +	struct rte_security_ctx *sec_ctx;
> > +
> > +	RTE_LOG_DP(DEBUG, IPSEC, "Create session for SA spi %u on port
> %u\n",
> > +		sa->spi, sa->portid);
> > +
> > +	if (sa->type != RTE_SECURITY_ACTION_TYPE_NONE) {
> 
> I think this always be true here and could be removed.

Will do.
 
> > +		struct rte_security_session_conf sess_conf = {
> > +			.action_type = sa->type,
> > +			.protocol = RTE_SECURITY_PROTOCOL_IPSEC,
> > +			{.ipsec = {
> > +				.spi = sa->spi,
> > +				.salt = sa->salt,
> > +				.options = { 0 },
> > +				.direction = sa->direction,
> > +				.proto =
> RTE_SECURITY_IPSEC_SA_PROTO_ESP,
> > +				.mode = (sa->flags == IP4_TUNNEL ||
> > +						sa->flags == IP6_TUNNEL) ?
> > +
> 	RTE_SECURITY_IPSEC_SA_MODE_TUNNEL :
> > +
> 	RTE_SECURITY_IPSEC_SA_MODE_TRANSPORT,
> > +			} },
> > +			.crypto_xform = sa->xforms,
> > +			.userdata = NULL,
> > +		};
> > +
> > +		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_priv_pool);
> > +			sec_ctx = (struct rte_security_ctx *)
> > +
> 	rte_eth_dev_get_sec_ctx(
> > +							sa->portid);
> > +			if (sec_ctx == NULL) {
> > +				RTE_LOG(ERR, IPSEC,
> > +				" rte_eth_dev_get_sec_ctx failed\n");
> > +				return -1;
> > +			}
> > +
> > +			sa->sec_session = rte_security_session_create(sec_ctx,
> > +					&sess_conf, skt_ctx->session_pool);
> >  			if (sa->sec_session == NULL) {
> >  				RTE_LOG(ERR, IPSEC,
> >  				"SEC Session init failed: err: %d\n", ret);
> >  				return -1;
> >  			}
> >
> > -			sec_cap = rte_security_capabilities_get(ctx);
> > +			sec_cap = rte_security_capabilities_get(sec_ctx);
> >
> >  			/* iterate until ESP tunnel*/
> >  			while (sec_cap->action !=
> > @@ -147,7 +205,7 @@ create_session(struct ipsec_ctx *ipsec_ctx, struct
> ipsec_sa *sa)
> >  			}
> >
> >  			sa->ol_flags = sec_cap->ol_flags;
> > -			sa->security_ctx = ctx;
> > +			sa->security_ctx = sec_ctx;
> >  			sa->pattern[0].type = RTE_FLOW_ITEM_TYPE_ETH;
> >
> >  			sa->pattern[1].type = RTE_FLOW_ITEM_TYPE_IPV4;
> @@ -196,7 +254,7 @@
> > create_session(struct ipsec_ctx *ipsec_ctx, struct ipsec_sa *sa)
> >  				/* Try RSS. */
> >  				sa->action[1].type =
> RTE_FLOW_ACTION_TYPE_RSS;
> >  				sa->action[1].conf = &action_rss;
> > -				eth_dev = ctx->device;
> > +				eth_dev = sec_ctx->device;
> >  				rte_eth_dev_rss_hash_conf_get(sa->portid,
> >  							      &rss_conf);
> >  				for (i = 0, j = 0;
> > @@ -252,12 +310,12 @@ create_session(struct ipsec_ctx *ipsec_ctx, struct
> ipsec_sa *sa)
> >  			}
> >  		} else if (sa->type ==
> >
> 	RTE_SECURITY_ACTION_TYPE_INLINE_PROTOCOL) {
> > -			struct rte_security_ctx *ctx =
> > -					(struct rte_security_ctx *)
> > -					rte_eth_dev_get_sec_ctx(sa->portid);
> >  			const struct rte_security_capability *sec_cap;
> >
> > -			if (ctx == NULL) {
> > +			sec_ctx = (struct rte_security_ctx *)
> > +					rte_eth_dev_get_sec_ctx(sa->portid);
> > +
> > +			if (sec_ctx == NULL) {
> >  				RTE_LOG(ERR, IPSEC,
> >  				"Ethernet device doesn't have security features
> registered\n");
> >  				return -1;
> > @@ -279,15 +337,15 @@ create_session(struct ipsec_ctx *ipsec_ctx,
> > struct ipsec_sa *sa)
> >
> >  			sess_conf.userdata = (void *) sa;
> >
> > -			sa->sec_session = rte_security_session_create(ctx,
> > -					&sess_conf, ipsec_ctx->session_pool);
> > +			sa->sec_session = rte_security_session_create(sec_ctx,
> > +					&sess_conf, skt_ctx->session_pool);
> >  			if (sa->sec_session == NULL) {
> >  				RTE_LOG(ERR, IPSEC,
> >  				"SEC Session init failed: err: %d\n", ret);
> >  				return -1;
> >  			}
> >
> > -			sec_cap = rte_security_capabilities_get(ctx);
> > +			sec_cap = rte_security_capabilities_get(sec_ctx);
> >
> >  			if (sec_cap == NULL) {
> >  				RTE_LOG(ERR, IPSEC,
> > @@ -316,17 +374,8 @@ create_session(struct ipsec_ctx *ipsec_ctx, struct
> ipsec_sa *sa)
> >  			}
> >
> >  			sa->ol_flags = sec_cap->ol_flags;
> > -			sa->security_ctx = ctx;
> > +			sa->security_ctx = sec_ctx;
> >  		}
> > -	} else {
> > -		sa->crypto_session = rte_cryptodev_sym_session_create(
> > -				ipsec_ctx->session_pool);
> > -		rte_cryptodev_sym_session_init(ipsec_ctx->tbl[cdev_id_qp].id,
> > -				sa->crypto_session, sa->xforms,
> > -				ipsec_ctx->session_priv_pool);
> > -
> > -		rte_cryptodev_info_get(ipsec_ctx->tbl[cdev_id_qp].id,
> > -				&cdev_info);
> >  	}
> >  	sa->cdev_id_qp = cdev_id_qp;
> >
> > @@ -395,7 +444,7 @@ ipsec_enqueue(ipsec_xform_fn xform_func, struct
> ipsec_ctx *ipsec_ctx,
> >  			rte_prefetch0(&priv->sym_cop);
> >
> >  			if ((unlikely(sa->sec_session == NULL)) &&
> > -					create_session(ipsec_ctx, sa)) {
> > +				create_lookaside_session(ipsec_ctx, sa)) {
> >  				rte_pktmbuf_free(pkts[i]);
> >  				continue;
> >  			}
> > @@ -414,7 +463,7 @@ ipsec_enqueue(ipsec_xform_fn xform_func, struct
> ipsec_ctx *ipsec_ctx,
> >  			rte_prefetch0(&priv->sym_cop);
> >
> >  			if ((unlikely(sa->crypto_session == NULL)) &&
> > -					create_session(ipsec_ctx, sa)) {
> > +				create_lookaside_session(ipsec_ctx, sa)) {
> >  				rte_pktmbuf_free(pkts[i]);
> >  				continue;
> >  			}
> > @@ -429,12 +478,7 @@ ipsec_enqueue(ipsec_xform_fn xform_func, struct
> ipsec_ctx *ipsec_ctx,
> >  			}
> >  			break;
> >  		case RTE_SECURITY_ACTION_TYPE_INLINE_PROTOCOL:
> > -			if ((unlikely(sa->sec_session == NULL)) &&
> > -					create_session(ipsec_ctx, sa)) {
> > -				rte_pktmbuf_free(pkts[i]);
> > -				continue;
> > -			}
> > -
> > +			RTE_ASSERT(sa->sec_session != NULL);
> >  			ipsec_ctx->ol_pkts[ipsec_ctx->ol_pkts_cnt++] = pkts[i];
> >  			if (sa->ol_flags &
> RTE_SECURITY_TX_OLOAD_NEED_MDATA)
> >  				rte_security_set_pkt_metadata(
> > @@ -442,17 +486,11 @@ ipsec_enqueue(ipsec_xform_fn xform_func, struct
> ipsec_ctx *ipsec_ctx,
> >  						sa->sec_session, pkts[i],
> NULL);
> >  			continue;
> >  		case RTE_SECURITY_ACTION_TYPE_INLINE_CRYPTO:
> > +			RTE_ASSERT(sa->sec_session != NULL);
> >  			priv->cop.type = RTE_CRYPTO_OP_TYPE_SYMMETRIC;
> >  			priv->cop.status =
> RTE_CRYPTO_OP_STATUS_NOT_PROCESSED;
> >
> >  			rte_prefetch0(&priv->sym_cop);
> > -
> > -			if ((unlikely(sa->sec_session == NULL)) &&
> > -					create_session(ipsec_ctx, sa)) {
> > -				rte_pktmbuf_free(pkts[i]);
> > -				continue;
> > -			}
> > -
> >  			rte_security_attach_session(&priv->cop,
> >  					sa->sec_session);
> >
> > diff --git a/examples/ipsec-secgw/ipsec.h
> > b/examples/ipsec-secgw/ipsec.h index e9272d7..41bac0b 100644
> > --- a/examples/ipsec-secgw/ipsec.h
> > +++ b/examples/ipsec-secgw/ipsec.h
> > @@ -312,6 +312,9 @@ void
> >  enqueue_cop_burst(struct cdev_qp *cqp);
> >
> >  int
> > -create_session(struct ipsec_ctx *ipsec_ctx, struct ipsec_sa *sa);
> > +create_lookaside_session(struct ipsec_ctx *ipsec_ctx, struct ipsec_sa
> > +*sa);
> > +
> > +int
> > +create_inline_session(struct socket_ctx *skt_ctx, struct ipsec_sa
> > +*sa);
> >
> >  #endif /* __IPSEC_H__ */
> > diff --git a/examples/ipsec-secgw/ipsec_process.c
> > b/examples/ipsec-secgw/ipsec_process.c
> > index 3f9cacb..868f1a2 100644
> > --- a/examples/ipsec-secgw/ipsec_process.c
> > +++ b/examples/ipsec-secgw/ipsec_process.c
> > @@ -95,22 +95,23 @@ fill_ipsec_session(struct rte_ipsec_session *ss, struct
> ipsec_ctx *ctx,
> >  	/* setup crypto section */
> >  	if (ss->type == RTE_SECURITY_ACTION_TYPE_NONE) {
> >  		if (sa->crypto_session == NULL) {
> > -			rc = create_session(ctx, sa);
> > +			rc = create_lookaside_session(ctx, sa);
> >  			if (rc != 0)
> >  				return rc;
> >  		}
> >  		ss->crypto.ses = sa->crypto_session;
> >  	/* setup session action type */
> > -	} else {
> > +	} else if (sa->type ==
> RTE_SECURITY_ACTION_TYPE_LOOKASIDE_PROTOCOL)
> > +{
> >  		if (sa->sec_session == NULL) {
> > -			rc = create_session(ctx, sa);
> > +			rc = create_lookaside_session(ctx, sa);
> >  			if (rc != 0)
> >  				return rc;
> >  		}
> >  		ss->security.ses = sa->sec_session;
> >  		ss->security.ctx = sa->security_ctx;
> >  		ss->security.ol_flags = sa->ol_flags;
> > -	}
> > +	} else
> > +		RTE_ASSERT(0);
> >
> >  	rc = rte_ipsec_session_prepare(ss);
> >  	if (rc != 0)
> > diff --git a/examples/ipsec-secgw/sa.c b/examples/ipsec-secgw/sa.c
> > index 8d47d1d..e8e55bf 100644
> > --- a/examples/ipsec-secgw/sa.c
> > +++ b/examples/ipsec-secgw/sa.c
> > @@ -777,11 +777,13 @@ check_eth_dev_caps(uint16_t portid, uint32_t
> > inbound)
> >
> >  static int
> >  sa_add_rules(struct sa_ctx *sa_ctx, const struct ipsec_sa entries[],
> > -		uint32_t nb_entries, uint32_t inbound)
> > +		uint32_t nb_entries, uint32_t inbound,
> > +		struct socket_ctx *skt_ctx)
> >  {
> >  	struct ipsec_sa *sa;
> >  	uint32_t i, idx;
> >  	uint16_t iv_length, aad_length;
> > +	int32_t rc;
> >
> >  	/* for ESN upper 32 bits of SQN also need to be part of AAD */
> >  	aad_length = (app_sa_prm.enable_esn != 0) ? sizeof(uint32_t) : 0; @@
> > -834,6 +836,17 @@ sa_add_rules(struct sa_ctx *sa_ctx, const struct
> > ipsec_sa entries[],
> >
> >  			sa->xforms = &sa_ctx->xf[idx].a;
> >
> > +			if (sa->type ==
> > +
> 	RTE_SECURITY_ACTION_TYPE_INLINE_PROTOCOL ||
> > +				sa->type ==
> > +
> 	RTE_SECURITY_ACTION_TYPE_INLINE_CRYPTO) {
> > +				rc = create_inline_session(skt_ctx, sa);
> > +				if (rc != 0) {
> > +					RTE_LOG(ERR, IPSEC_ESP,
> > +						"create_inline_session()
> failed\n");
> > +					return -EINVAL;
> > +				}
> > +			}
> >  			print_one_sa_rule(sa, inbound);
> >  		} else {
> >  			switch (sa->cipher_algo) {
> > @@ -909,16 +922,16 @@ sa_add_rules(struct sa_ctx *sa_ctx, const struct
> > ipsec_sa entries[],
> >
> >  static inline int
> >  sa_out_add_rules(struct sa_ctx *sa_ctx, const struct ipsec_sa entries[],
> > -		uint32_t nb_entries)
> > +		uint32_t nb_entries, struct socket_ctx *skt_ctx)
> >  {
> > -	return sa_add_rules(sa_ctx, entries, nb_entries, 0);
> > +	return sa_add_rules(sa_ctx, entries, nb_entries, 0, skt_ctx);
> >  }
> >
> >  static inline int
> >  sa_in_add_rules(struct sa_ctx *sa_ctx, const struct ipsec_sa entries[],
> > -		uint32_t nb_entries)
> > +		uint32_t nb_entries, struct socket_ctx *skt_ctx)
> >  {
> > -	return sa_add_rules(sa_ctx, entries, nb_entries, 1);
> > +	return sa_add_rules(sa_ctx, entries, nb_entries, 1, skt_ctx);
> >  }
> >
> >  /*
> > @@ -1012,10 +1025,12 @@ fill_ipsec_sa_prm(struct rte_ipsec_sa_prm *prm,
> const struct ipsec_sa *ss,
> >  	return 0;
> >  }
> >
> > -static void
> > +static int
> >  fill_ipsec_session(struct rte_ipsec_session *ss, struct rte_ipsec_sa *sa,
> >  	const struct ipsec_sa *lsa)
> >  {
> > +	int32_t rc = 0;
> > +
> >  	ss->sa = sa;
> >  	ss->type = lsa->type;
> >
> > @@ -1028,6 +1043,17 @@ fill_ipsec_session(struct rte_ipsec_session *ss,
> struct rte_ipsec_sa *sa,
> >  		ss->security.ctx = lsa->security_ctx;
> >  		ss->security.ol_flags = lsa->ol_flags;
> >  	}
> > +
> > +	if (ss->type == RTE_SECURITY_ACTION_TYPE_INLINE_CRYPTO ||
> > +		ss->type == RTE_SECURITY_ACTION_TYPE_INLINE_PROTOCOL)
> {
> > +		if (ss->security.ses != NULL) {
> > +			rc = rte_ipsec_session_prepare(ss);
> > +			if (rc != 0)
> > +				memset(ss, 0, sizeof(*ss));
> > +		}
> > +	}
> > +
> > +	return rc;
> >  }
> >
> >  /*
> > @@ -1062,8 +1088,8 @@ ipsec_sa_init(struct ipsec_sa *lsa, struct
> rte_ipsec_sa *sa, uint32_t sa_size)
> >  	if (rc < 0)
> >  		return rc;
> >
> > -	fill_ipsec_session(&lsa->ips, sa, lsa);
> > -	return 0;
> > +	rc = fill_ipsec_session(&lsa->ips, sa, lsa);
> > +	return rc;
> >  }
> >
> >  /*
> > @@ -1166,7 +1192,7 @@ sa_init(struct socket_ctx *ctx, int32_t socket_id)
> >  				"context %s in socket %d\n", rte_errno,
> >  				name, socket_id);
> >
> > -		sa_in_add_rules(ctx->sa_in, sa_in, nb_sa_in);
> > +		sa_in_add_rules(ctx->sa_in, sa_in, nb_sa_in, ctx);
> >
> >  		if (app_sa_prm.enable != 0) {
> >  			rc = ipsec_satbl_init(ctx->sa_in, sa_in, nb_sa_in, @@ -
> 1186,7
> > +1212,7 @@ sa_init(struct socket_ctx *ctx, int32_t socket_id)
> >  				"context %s in socket %d\n", rte_errno,
> >  				name, socket_id);
> >
> > -		sa_out_add_rules(ctx->sa_out, sa_out, nb_sa_out);
> > +		sa_out_add_rules(ctx->sa_out, sa_out, nb_sa_out, ctx);
> >
> >  		if (app_sa_prm.enable != 0) {
> >  			rc = ipsec_satbl_init(ctx->sa_out, sa_out, nb_sa_out,
> > --
> > 2.7.4

Thanks for the review.

Regards,

Bernard.