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Diffstat (limited to 'src/vnet/ipsec/ipsec_sa.h')
-rw-r--r--src/vnet/ipsec/ipsec_sa.h41
1 files changed, 25 insertions, 16 deletions
diff --git a/src/vnet/ipsec/ipsec_sa.h b/src/vnet/ipsec/ipsec_sa.h
index 28ac93185ec..7a52e831c77 100644
--- a/src/vnet/ipsec/ipsec_sa.h
+++ b/src/vnet/ipsec/ipsec_sa.h
@@ -48,6 +48,11 @@ typedef enum
(_alg == IPSEC_CRYPTO_ALG_AES_GCM_192) || \
(_alg == IPSEC_CRYPTO_ALG_AES_GCM_256)))
+#define IPSEC_CRYPTO_ALG_IS_CTR(_alg) \
+ (((_alg == IPSEC_CRYPTO_ALG_AES_CTR_128) || \
+ (_alg == IPSEC_CRYPTO_ALG_AES_CTR_192) || \
+ (_alg == IPSEC_CRYPTO_ALG_AES_CTR_256)))
+
#define foreach_ipsec_integ_alg \
_ (0, NONE, "none") \
_ (1, MD5_96, "md5-96") /* RFC2403 */ \
@@ -86,16 +91,17 @@ typedef struct ipsec_key_t_
* else IPv4 tunnel only valid if is_tunnel is non-zero
* enable UDP encapsulation for NAT traversal
*/
-#define foreach_ipsec_sa_flags \
- _ (0, NONE, "none") \
- _ (1, USE_ESN, "esn") \
- _ (2, USE_ANTI_REPLAY, "anti-replay") \
- _ (4, IS_TUNNEL, "tunnel") \
- _ (8, IS_TUNNEL_V6, "tunnel-v6") \
- _ (16, UDP_ENCAP, "udp-encap") \
- _ (32, IS_PROTECT, "Protect") \
- _ (64, IS_INBOUND, "inbound") \
- _ (128, IS_AEAD, "aead") \
+#define foreach_ipsec_sa_flags \
+ _ (0, NONE, "none") \
+ _ (1, USE_ESN, "esn") \
+ _ (2, USE_ANTI_REPLAY, "anti-replay") \
+ _ (4, IS_TUNNEL, "tunnel") \
+ _ (8, IS_TUNNEL_V6, "tunnel-v6") \
+ _ (16, UDP_ENCAP, "udp-encap") \
+ _ (32, IS_PROTECT, "Protect") \
+ _ (64, IS_INBOUND, "inbound") \
+ _ (128, IS_AEAD, "aead") \
+ _ (256, IS_CTR, "ctr")
typedef enum ipsec_sad_flags_t_
{
@@ -104,7 +110,7 @@ typedef enum ipsec_sad_flags_t_
#undef _
} __clib_packed ipsec_sa_flags_t;
-STATIC_ASSERT (sizeof (ipsec_sa_flags_t) == 1, "IPSEC SA flags > 1 byte");
+STATIC_ASSERT (sizeof (ipsec_sa_flags_t) == 2, "IPSEC SA flags != 2 byte");
typedef struct
{
@@ -116,8 +122,11 @@ typedef struct
u8 crypto_iv_size;
u8 esp_block_align;
u8 integ_icv_size;
+
+ u8 __pad1[3];
+
u32 thread_index;
- u32 __pad_u32;
+
u32 spi;
u32 seq;
u32 seq_hi;
@@ -150,9 +159,9 @@ typedef struct
u64 crypto_op_data;
};
- CLIB_CACHE_LINE_ALIGN_MARK (cacheline1);
+ CLIB_CACHE_LINE_ALIGN_MARK (cacheline1);
- u64 gcm_iv_counter;
+ u64 ctr_iv_counter;
union
{
ip4_header_t ip4_hdr;
@@ -160,13 +169,13 @@ typedef struct
};
udp_header_t udp_hdr;
- /* Salt used in GCM modes - stored in network byte order */
+ /* Salt used in CTR modes (incl. GCM) - stored in network byte order */
u32 salt;
ipsec_protocol_t protocol;
tunnel_encap_decap_flags_t tunnel_flags;
ip_dscp_t dscp;
- u8 __pad[1];
+ u8 __pad2[1];
/* data accessed by dataplane code should be above this comment */
CLIB_CACHE_LINE_ALIGN_MARK (cacheline2);