diff options
Diffstat (limited to 'src/plugins/snat/snat.h')
| -rw-r--r-- | src/plugins/snat/snat.h | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/src/plugins/snat/snat.h b/src/plugins/snat/snat.h index 016c2ff55df..1bc5fcd7545 100644 --- a/src/plugins/snat/snat.h +++ b/src/plugins/snat/snat.h @@ -24,6 +24,7 @@ #include <vnet/ip/icmp46_packet.h> #include <vnet/api_errno.h> #include <vppinfra/bihash_8_8.h> +#include <vppinfra/bihash_16_8.h> #include <vppinfra/dlist.h> #include <vppinfra/error.h> #include <vlibapi/api.h> @@ -56,6 +57,21 @@ typedef struct { { struct { + ip4_address_t l_addr; + ip4_address_t r_addr; + u32 fib_index; + u8 proto; + u8 rsvd[3]; + }; + u64 as_u64[2]; + }; +} snat_unk_proto_ses_key_t; + +typedef struct { + union + { + struct + { ip4_address_t ext_host_addr; u16 ext_host_port; u16 out_port; @@ -120,6 +136,7 @@ typedef enum { #define SNAT_SESSION_FLAG_STATIC_MAPPING 1 +#define SNAT_SESSION_FLAG_UNKNOWN_PROTO 2 typedef CLIB_PACKED(struct { snat_session_key_t out2in; /* 0-15 */ @@ -143,6 +160,9 @@ typedef CLIB_PACKED(struct { /* Outside address */ u32 outside_address_index; /* 64-67 */ + /* External host address */ + ip4_address_t ext_host_addr; /* 68-71 */ + }) snat_session_t; @@ -240,6 +260,10 @@ typedef struct snat_main_s { clib_bihash_8_8_t out2in; clib_bihash_8_8_t in2out; + /* Unknown protocol sessions lookup tables */ + clib_bihash_16_8_t out2in_unk_proto; + clib_bihash_16_8_t in2out_unk_proto; + /* Find-a-user => src address lookup */ clib_bihash_8_8_t user_hash; @@ -374,6 +398,12 @@ typedef struct { */ #define snat_is_session_static(s) s->flags & SNAT_SESSION_FLAG_STATIC_MAPPING +/** \brief Check if SNAT session for unknown protocol. + @param s SNAT session + @return 1 if SNAT session for unknown protocol otherwise 0 +*/ +#define snat_is_unk_proto_session(s) s->flags & SNAT_SESSION_FLAG_UNKNOWN_PROTO + /* * Why is this here? Because we don't need to touch this layer to * simply reply to an icmp. We need to change id to a unique |