1 /* SPDX-License-Identifier: BSD-3-Clause 2 * Copyright(c) 2018-2020 Intel Corporation 3 */ 4 5 #include <rte_ipsec.h> 6 #include "sa.h" 7 8 static int 9 session_check(struct rte_ipsec_session *ss) 10 { 11 if (ss == NULL || ss->sa == NULL) 12 return -EINVAL; 13 14 if (ss->type == RTE_SECURITY_ACTION_TYPE_NONE || 15 ss->type == RTE_SECURITY_ACTION_TYPE_CPU_CRYPTO) { 16 if (ss->crypto.ses == NULL) 17 return -EINVAL; 18 } else { 19 if (ss->security.ses == NULL) 20 return -EINVAL; 21 if ((ss->type == RTE_SECURITY_ACTION_TYPE_INLINE_CRYPTO || 22 ss->type == 23 RTE_SECURITY_ACTION_TYPE_INLINE_PROTOCOL) && 24 ss->security.ctx == NULL) 25 return -EINVAL; 26 } 27 28 return 0; 29 } 30 31 int 32 rte_ipsec_session_prepare(struct rte_ipsec_session *ss) 33 { 34 int32_t rc; 35 struct rte_ipsec_sa_pkt_func fp; 36 37 rc = session_check(ss); 38 if (rc != 0) 39 return rc; 40 41 rc = ipsec_sa_pkt_func_select(ss, ss->sa, &fp); 42 if (rc != 0) 43 return rc; 44 45 ss->pkt_func = fp; 46 47 if (ss->type == RTE_SECURITY_ACTION_TYPE_NONE) 48 ss->crypto.ses->opaque_data = (uintptr_t)ss; 49 else 50 ss->security.ses->opaque_data = (uintptr_t)ss; 51 52 return 0; 53 } 54