diff options
Diffstat (limited to 'src/plugins/odp/ipsec/ipsec.c')
| -rw-r--r-- | src/plugins/odp/ipsec/ipsec.c | 101 |
1 files changed, 91 insertions, 10 deletions
diff --git a/src/plugins/odp/ipsec/ipsec.c b/src/plugins/odp/ipsec/ipsec.c index 0e552fba..44a7714b 100644 --- a/src/plugins/odp/ipsec/ipsec.c +++ b/src/plugins/odp/ipsec/ipsec.c @@ -64,7 +64,9 @@ add_del_sa_sess (u32 sa_index, u8 is_add) return 0; } -int vpp_to_odp_auth_alg(int vpp_auth_alg) { +int +vpp_to_odp_auth_alg (int vpp_auth_alg) +{ switch (vpp_auth_alg) { case IPSEC_INTEG_ALG_SHA_512_256: @@ -78,6 +80,79 @@ int vpp_to_odp_auth_alg(int vpp_auth_alg) { } } +int // should flow_label be here? +create_odp_sa (ipsec_sa_t * sa, sa_data_t * sa_sess_data, int flow_label, + int is_outbound) +{ + odp_ipsec_sa_param_t sa_params; + odp_ipsec_sa_param_init (&sa_params); + + sa_params.dir = + (is_outbound ? ODP_IPSEC_DIR_OUTBOUND : ODP_IPSEC_DIR_INBOUND); + /* VPP does not currently support Authentication Headers (AH), + Encapsulating Security Payload (ESP), neither does this code. + Code needs modification, not only in this place. */ + sa_params.proto = ODP_IPSEC_ESP; + sa_params.mode = + (sa->is_tunnel ? ODP_IPSEC_MODE_TUNNEL : ODP_IPSEC_MODE_TRANSPORT); + + if (sa_params.mode == ODP_IPSEC_MODE_TUNNEL + && sa_params.dir == ODP_IPSEC_DIR_OUTBOUND) + { + if (sa->is_tunnel_ip6) + { + sa_sess_data->tunnel_src.ip6 = sa->tunnel_src_addr.ip6; + sa_sess_data->tunnel_dst.ip6 = sa->tunnel_dst_addr.ip6; + sa_params.outbound.tunnel.type = ODP_IPSEC_TUNNEL_IPV6; + sa_params.outbound.tunnel.ipv6.dst_addr = + &sa_sess_data->tunnel_dst.ip6; + sa_params.outbound.tunnel.ipv6.src_addr = + &sa_sess_data->tunnel_src.ip6; + sa_params.outbound.tunnel.ipv6.hlimit = 42; + sa_params.outbound.tunnel.ipv6.dscp = 0; + sa_params.outbound.tunnel.ipv6.flabel = flow_label; + } + else + { + sa_sess_data->tunnel_src.ip4 = sa->tunnel_src_addr.ip4; + sa_sess_data->tunnel_dst.ip4 = sa->tunnel_dst_addr.ip4; + sa_params.outbound.tunnel.type = ODP_IPSEC_TUNNEL_IPV4; + sa_params.outbound.tunnel.ipv4.dst_addr = + &sa_sess_data->tunnel_dst.ip4; + sa_params.outbound.tunnel.ipv4.src_addr = + &sa_sess_data->tunnel_src.ip4; + sa_params.outbound.tunnel.ipv4.ttl = 42; + sa_params.outbound.tunnel.ipv4.df = 42; + } + } + + sa_params.crypto.cipher_alg = ODP_CIPHER_ALG_AES_CBC; + sa_params.crypto.cipher_key.data = sa->crypto_key; + sa_params.crypto.cipher_key.length = sa->crypto_key_len; + + sa_params.crypto.auth_alg = vpp_to_odp_auth_alg (sa->integ_alg); + sa_params.crypto.auth_key.data = sa->integ_key; + sa_params.crypto.auth_key.length = sa->integ_key_len; + + sa_params.lifetime.soft_limit.packets = 0; + sa_params.lifetime.hard_limit.packets = 0; + + sa_params.spi = sa->spi; + + sa_params.dest_queue = ODP_QUEUE_INVALID; + sa_params.context = NULL; + sa_params.context_len = 0; + + sa_sess_data->odp_sa = odp_ipsec_sa_create (&sa_params); // check if there are no errors + + if (sa_sess_data->odp_sa == ODP_IPSEC_SA_INVALID) + return -1; + + sa_sess_data->is_odp_sa_present = 1; + + return 0; +} + int create_sess (ipsec_sa_t * sa, sa_data_t * sa_sess_data, int is_outbound) { @@ -114,11 +189,11 @@ create_sess (ipsec_sa_t * sa, sa_data_t * sa_sess_data, int is_outbound) crypto_params.cipher_alg = ODP_CIPHER_ALG_NULL; } - crypto_params.auth_alg = vpp_to_odp_auth_alg(sa->integ_alg); + crypto_params.auth_alg = vpp_to_odp_auth_alg (sa->integ_alg); actual_capa_amount = odp_crypto_auth_capability (crypto_params.auth_alg, - capa, - max_auth_capa_amount); + capa, + max_auth_capa_amount); int picked_capa = -1; int i; @@ -136,8 +211,8 @@ create_sess (ipsec_sa_t * sa, sa_data_t * sa_sess_data, int is_outbound) { if (actual_capa_amount) clib_warning - ("Failed to get matching capabilities, algorithm appears to be supported "\ - "but key or digest length incompatible\n"); + ("Failed to get matching capabilities, algorithm appears to be supported " + "but key or digest length incompatible\n"); else clib_warning ("Failed to get matching capabilities, algorithm probably not supported\n"); @@ -210,9 +285,9 @@ odp_ipsec_check_support (ipsec_sa_t * sa) } clib_error_t * -ipsec_init (vlib_main_t * vm) +ipsec_init (vlib_main_t * vm, u8 ipsec_api) { - if (!enable_odp_crypto) + if (!enable_odp_crypto && !ipsec_api) return 0; ipsec_main_t *im = &ipsec_main; odp_crypto_main_t *ocm = &odp_crypto_main; @@ -239,7 +314,10 @@ ipsec_init (vlib_main_t * vm) ipsec_node = vlib_get_node_by_name (vm, (u8 *) "ipsec-output-ip4"); ASSERT (ipsec_node); - crypto_node = vlib_get_node_by_name (vm, (u8 *) "odp-crypto-esp-encrypt"); + if (ipsec_api) + crypto_node = vlib_get_node_by_name (vm, (u8 *) "odp-ipsec-esp-encrypt"); + else + crypto_node = vlib_get_node_by_name (vm, (u8 *) "odp-crypto-esp-encrypt"); ASSERT (crypto_node); im->esp_encrypt_node_index = crypto_node->index; im->esp_encrypt_next_index = @@ -247,7 +325,10 @@ ipsec_init (vlib_main_t * vm) ipsec_node = vlib_get_node_by_name (vm, (u8 *) "ipsec-input-ip4"); ASSERT (ipsec_node); - crypto_node = vlib_get_node_by_name (vm, (u8 *) "odp-crypto-esp-decrypt"); + if (ipsec_api) + crypto_node = vlib_get_node_by_name (vm, (u8 *) "odp-ipsec-esp-decrypt"); + else + crypto_node = vlib_get_node_by_name (vm, (u8 *) "odp-crypto-esp-decrypt"); ASSERT (crypto_node); im->esp_decrypt_node_index = crypto_node->index; im->esp_decrypt_next_index = |