vpp - Vector Packet Processing

Age	Commit message (Expand)	Author	Files	Lines
2018-10-30	docs: Add VPP with iperf and trex	jdenisco	5	-0/+0
2018-10-05	docs: add contiv vpp	Scott Keeler	2	-0/+0
2018-08-30	docs: Add features by release section	Scitt Keeler	1	-0/+0
2018-08-30	docs: FIB 2.0 start	jdenisco	11	-0/+0
2018-08-27	docs: Finish event logger, viewer and cleanup.	John DeNisco	9	-0/+0
2018-08-03	docs: Incororate Scott's overall review	John DeNisco	1	-0/+0
2018-07-26	Initial commit of Sphinx docs	John DeNisco	30	-0/+0

/* * Copyright (c) 2015 Cisco and/or its affiliates. * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at: * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ #ifndef __IPSEC_H__ #define __IPSEC_H__ #define IPSEC_FLAG_IPSEC_GRE_TUNNEL (1 << 0) #define foreach_ipsec_policy_action \ _(0, BYPASS, "bypass") \ _(1, DISCARD, "discard") \ _(2, RESOLVE, "resolve") \ _(3, PROTECT, "protect") typedef enum { #define _(v,f,s) IPSEC_POLICY_ACTION_##f = v, foreach_ipsec_policy_action #undef _ IPSEC_POLICY_N_ACTION, } ipsec_policy_action_t; #if DPDK_CRYPTO==1 #define foreach_ipsec_crypto_alg \ _(0, NONE, "none") \ _(1, AES_CBC_128, "aes-cbc-128") \ _(2, AES_CBC_192, "aes-cbc-192") \ _(3, AES_CBC_256, "aes-cbc-256") \ _(4, AES_GCM_128, "aes-gcm-128") #else #define foreach_ipsec_crypto_alg \ _(0, NONE, "none") \ _(1, AES_CBC_128, "aes-cbc-128") \ _(2, AES_CBC_192, "aes-cbc-192") \ _(3, AES_CBC_256, "aes-cbc-256") #endif typedef enum { #define _(v,f,s) IPSEC_CRYPTO_ALG_##f = v, foreach_ipsec_crypto_alg #undef _ IPSEC_CRYPTO_N_ALG, } ipsec_crypto_alg_t; #if DPDK_CRYPTO==1 #define foreach_ipsec_integ_alg \ _(0, NONE, "none") \ _(1, MD5_96, "md5-96") /* RFC2403 */ \ _(2, SHA1_96, "sha1-96") /* RFC2404 */ \ _(3, SHA_256_96, "sha-256-96") /* draft-ietf-ipsec-ciph-sha-256-00 */ \ _(4, SHA_256_128, "sha-256-128") /* RFC4868 */ \ _(5, SHA_384_192, "sha-384-192") /* RFC4868 */ \ _(6, SHA_512_256, "sha-512-256") /* RFC4868 */ \ _(7, AES_GCM_128, "aes-gcm-128") #else #define foreach_ipsec_integ_alg \ _(0, NONE, "none") \ _(1, MD5_96, "md5-96") /* RFC2403 */ \ _(2, SHA1_96, "sha1-96") /* RFC2404 */ \ _(3, SHA_256_96, "sha-256-96") /* draft-ietf-ipsec-ciph-sha-256-00 */ \ _(4, SHA_256_128, "sha-256-128") /* RFC4868 */ \ _(5, SHA_384_192, "sha-384-192") /* RFC4868 */ \ _(6, SHA_512_256, "sha-512-256") /* RFC4868 */ #endif typedef enum { #define _(v,f,s) IPSEC_INTEG_ALG_##f = v, foreach_ipsec_integ_alg #undef _ IPSEC_INTEG_N_ALG, } ipsec_integ_alg_t; typedef enum { IPSEC_PROTOCOL_AH = 0, IPSEC_PROTOCOL_ESP = 1 } ipsec_protocol_t; typedef struct { u32 id; u32 spi; ipsec_protocol_t protocol; ipsec_crypto_alg_t crypto_alg; u8 crypto_key_len; u8 crypto_key[128]; ipsec_integ_alg_t integ_alg; u8 integ_key_len; u8 integ_key[128]; u8 use_esn; u8 use_anti_replay; u8 is_tunnel; u8 is_tunnel_ip6; ip46_address_t tunnel_src_addr; ip46_address_t tunnel_dst_addr; u32 salt; /* runtime */ u32 seq; u32 seq_hi; u32 last_seq; u32 last_seq_hi; u64 replay_window; } ipsec_sa_t; typedef struct { ip46_address_t start, stop; } ip46_address_range_t; typedef struct { u16 start, stop; } port_range_t; typedef struct { u8 is_add; u8 esn; u8 anti_replay; ip4_address_t local_ip, remote_ip; u32 local_spi; u32 remote_spi; ipsec_crypto_alg_t crypto_alg; u8 local_crypto_key_len; u8 local_crypto_key[128]; u8 remote_crypto_key_len; u8 remote_crypto_key[128]; ipsec_integ_alg_t integ_alg; u8 local_integ_key_len; u8 local_integ_key[128]; u8 remote_integ_key_len; u8 remote_integ_key[128]; } ipsec_add_del_tunnel_args_t; typedef struct { u8 is_add; u32 local_sa_id; u32 remote_sa_id; ip4_address_t local_ip; ip4_address_t remote_ip; } ipsec_add_del_ipsec_gre_tunnel_args_t; typedef enum { IPSEC_IF_SET_KEY_TYPE_NONE, IPSEC_IF_SET_KEY_TYPE_LOCAL_CRYPTO, IPSEC_IF_SET_KEY_TYPE_REMOTE_CRYPTO, IPSEC_IF_SET_KEY_TYPE_LOCAL_INTEG, IPSEC_IF_SET_KEY_TYPE_REMOTE_INTEG, } ipsec_if_set_key_type_t; typedef struct { u32 id; i32 priority; u8 is_outbound; // Selector u8 is_ipv6; ip46_address_range_t laddr; ip46_address_range_t raddr; u8 protocol; port_range_t lport; port_range_t rport; // Policy u8 policy; u32 sa_id; u32 sa_index; // Counter vlib_counter_t counter; } ipsec_policy_t; typedef struct { u32 id; /* pool of policies */ ipsec_policy_t *policies; /* vectors of policy indices */ u32 *ipv4_outbound_policies; u32 *ipv6_outbound_policies; u32 *ipv4_inbound_protect_policy_indices; u32 *ipv4_inbound_policy_discard_and_bypass_indices; u32 *ipv6_inbound_protect_policy_indices; u32 *ipv6_inbound_policy_discard_and_bypass_indices; } ipsec_spd_t; typedef struct { u32 spd_index; } ip4_ipsec_config_t; typedef struct { u32 spd_index; } ip6_ipsec_config_t; typedef struct { u32 input_sa_index; u32 output_sa_index; u32 hw_if_index; } ipsec_tunnel_if_t; typedef struct { /* pool of tunnel instances */ ipsec_spd_t *spds; ipsec_sa_t *sad; /* pool of tunnel interfaces */ ipsec_tunnel_if_t *tunnel_interfaces; u32 *free_tunnel_if_indices; u32 **empty_buffers; uword *tunnel_index_by_key; /* convenience */ vlib_main_t *vlib_main; vnet_main_t *vnet_main; /* next node indices */ u32 feature_next_node_index[32]; /* hashes */ uword *spd_index_by_spd_id; uword *spd_index_by_sw_if_index; uword *sa_index_by_sa_id; uword *ipsec_if_pool_index_by_key; /* node indexes */ u32 error_drop_node_index; u32 ip4_lookup_node_index; u32 esp_encrypt_node_index; } ipsec_main_t; ipsec_main_t ipsec_main; extern vlib_node_registration_t esp_encrypt_node; extern vlib_node_registration_t esp_decrypt_node; extern vlib_node_registration_t ipsec_if_output_node; extern vlib_node_registration_t ipsec_if_input_node; /* * functions */ int ipsec_set_interface_spd (vlib_main_t * vm, u32 sw_if_index, u32 spd_id, int is_add); int ipsec_add_del_spd (vlib_main_t * vm, u32 spd_id, int is_add); int ipsec_add_del_policy (vlib_main_t * vm, ipsec_policy_t * policy, int is_add); int ipsec_add_del_sa (vlib_main_t * vm, ipsec_sa_t * new_sa, int is_add); int ipsec_set_sa_key (vlib_main_t * vm, ipsec_sa_t * sa_update); u32 ipsec_get_sa_index_by_sa_id (u32 sa_id); u8 *format_ipsec_if_output_trace (u8 * s, va_list * args); u8 *format_ipsec_policy_action (u8 * s, va_list * args); u8 *format_ipsec_crypto_alg (u8 * s, va_list * args); u8 *format_ipsec_integ_alg (u8 * s, va_list * args); u8 *format_ipsec_replay_window (u8 * s, va_list * args); uword unformat_ipsec_policy_action (unformat_input_t * input, va_list * args); uword unformat_ipsec_crypto_alg (unformat_input_t * input, va_list * args); uword unformat_ipsec_integ_alg (unformat_input_t * input, va_list * args); /*u32 ipsec_add_del_tunnel_if (vnet_main_t * vnm, ipsec_add_del_tunnel_args_t * args); */ int ipsec_add_del_tunnel_if (ipsec_add_del_tunnel_args_t * args); int ipsec_add_del_ipsec_gre_tunnel (vnet_main_t * vnm, ipsec_add_del_ipsec_gre_tunnel_args_t * args); int ipsec_set_interface_key (vnet_main_t * vnm, u32 hw_if_index, ipsec_if_set_key_type_t type, u8 alg, u8 * key); /* * inline functions */ always_inline void ipsec_alloc_empty_buffers (vlib_main_t * vm, ipsec_main_t * im) { u32 cpu_index = os_get_cpu_number (); uword l = vec_len (im->empty_buffers[cpu_index]); uword n_alloc = 0; if (PREDICT_FALSE (l < VLIB_FRAME_SIZE)) { if (!im->empty_buffers[cpu_index]) { vec_alloc (im->empty_buffers[cpu_index], 2 * VLIB_FRAME_SIZE); } n_alloc = vlib_buffer_alloc (vm, im->empty_buffers[cpu_index] + l, 2 * VLIB_FRAME_SIZE - l); _vec_len (im->empty_buffers[cpu_index]) = l + n_alloc; } } static_always_inline u32 get_next_output_feature_node_index (vlib_buffer_t * b, vlib_node_runtime_t * nr) { u32 next; u32 sw_if_index = vnet_buffer (b)->sw_if_index[VLIB_TX]; vlib_main_t *vm = vlib_get_main (); vlib_node_t *node = vlib_get_node (vm, nr->node_index); vnet_feature_next (sw_if_index, &next, b); return node->next_nodes[next]; } #endif /* __IPSEC_H__ */ /* * fd.io coding-style-patch-verification: ON * * Local Variables: * eval: (c-set-style "gnu") * End: */