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authorMatus Fabian <matfabia@cisco.com>2017-08-15 06:59:19 -0700
committerOle Trøan <otroan@employees.org>2017-11-07 21:58:31 +0000
commitefcd1e9e1d7dda4e4ea3db5750925cd8f6894f4d (patch)
tree63c07cf6a94820a5fb2c3935082b6a02f6d210d3 /src/plugins/nat/nat.h
parent20ab0a4943f7509f6e07d6c614eee90c80c8b963 (diff)
SNAT: IP fragmentation (VPP-890)
Translation of fragmented packets. Change-Id: I9b1f2e9433ce273638080f32c2d3bff39c49899d Signed-off-by: Matus Fabian <matfabia@cisco.com>
Diffstat (limited to 'src/plugins/nat/nat.h')
-rw-r--r--src/plugins/nat/nat.h32
1 files changed, 29 insertions, 3 deletions
diff --git a/src/plugins/nat/nat.h b/src/plugins/nat/nat.h
index b72e075df35..5bd0a119f38 100644
--- a/src/plugins/nat/nat.h
+++ b/src/plugins/nat/nat.h
@@ -154,9 +154,9 @@ typedef CLIB_PACKED(struct {
/* Outside address */
u32 outside_address_index; /* 64-67 */
- /* External host address */
+ /* External host address and port */
ip4_address_t ext_host_addr; /* 68-71 */
-
+ u16 ext_host_port; /* 72-73 */
}) snat_session_t;
@@ -563,4 +563,30 @@ maximum_sessions_exceeded (snat_main_t *sm, u32 thread_index)
return 0;
}
-#endif /* __included_nat_h__ */
+static_always_inline void
+nat_send_all_to_node(vlib_main_t *vm, u32 *bi_vector,
+ vlib_node_runtime_t *node, vlib_error_t *error, u32 next)
+{
+ u32 n_left_from, *from, next_index, *to_next, n_left_to_next;
+
+ from = bi_vector;
+ n_left_from = vec_len(bi_vector);
+ next_index = node->cached_next_index;
+ while (n_left_from > 0) {
+ vlib_get_next_frame(vm, node, next_index, to_next, n_left_to_next);
+ while (n_left_from > 0 && n_left_to_next > 0) {
+ u32 bi0 = to_next[0] = from[0];
+ from += 1;
+ n_left_from -= 1;
+ to_next += 1;
+ n_left_to_next -= 1;
+ vlib_buffer_t *p0 = vlib_get_buffer(vm, bi0);
+ p0->error = *error;
+ vlib_validate_buffer_enqueue_x1(vm, node, next_index, to_next,
+ n_left_to_next, bi0, next);
+ }
+ vlib_put_next_frame(vm, node, next_index, n_left_to_next);
+ }
+}
+
+#endif /* __included_snat_h__ */