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ip: Punt rather than drop unkown IPv6 ICMP packets

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Type: feature

Change-Id: Ib137c453ff2dd5b9d028c653afa80e6b2b81b9e0
Signed-off-by: Neale Ranns <nranns@cisco.com>
(cherry picked from commit 1afe95272672ae0ff42109a9a682907fd169973e)
This commit is contained in:
Neale Ranns
2019-10-25 07:20:42 -07:00
committed by Andrew Yourtchenko
parent 69f0861872
commit fd2f6f89e6
1 changed files with 5 additions and 5 deletions
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10
src/vnet/ip/icmp6.c
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@ -130,7 +130,7 @@ static char *icmp_error_strings[] = {
typedef enum typedef enum
{ {
ICMP_INPUT_NEXT_DROP, ICMP_INPUT_NEXT_PUNT,
ICMP_INPUT_N_NEXT, ICMP_INPUT_N_NEXT,
} icmp_input_next_t; } icmp_input_next_t;
@ -199,7 +199,7 @@ ip6_icmp_input (vlib_main_t * vm,
next0 = im->input_next_index_by_type[type0]; next0 = im->input_next_index_by_type[type0];
error0 = error0 =
next0 == ICMP_INPUT_NEXT_DROP ? ICMP6_ERROR_UNKNOWN_TYPE : error0; next0 == ICMP_INPUT_NEXT_PUNT ? ICMP6_ERROR_UNKNOWN_TYPE : error0;
/* Check code is valid for type. */ /* Check code is valid for type. */
error0 = error0 =
@ -223,7 +223,7 @@ ip6_icmp_input (vlib_main_t * vm,
b0->error = node->errors[error0]; b0->error = node->errors[error0];
next0 = error0 != ICMP6_ERROR_NONE ? ICMP_INPUT_NEXT_DROP : next0; next0 = error0 != ICMP6_ERROR_NONE ? ICMP_INPUT_NEXT_PUNT : next0;
vlib_validate_buffer_enqueue_x1 (vm, node, next_index, vlib_validate_buffer_enqueue_x1 (vm, node, next_index,
to_next, n_left_to_next, to_next, n_left_to_next,
@ -250,7 +250,7 @@ VLIB_REGISTER_NODE (ip6_icmp_input_node) = {
.n_next_nodes = 1, .n_next_nodes = 1,
.next_nodes = { .next_nodes = {
[ICMP_INPUT_NEXT_DROP] = "ip6-drop", [ICMP_INPUT_NEXT_PUNT] = "ip6-punt",
}, },
}; };
/* *INDENT-ON* */ /* *INDENT-ON* */
@ -784,7 +784,7 @@ icmp6_init (vlib_main_t * vm)
#undef _ #undef _
clib_memset (cm->input_next_index_by_type, clib_memset (cm->input_next_index_by_type,
ICMP_INPUT_NEXT_DROP, sizeof (cm->input_next_index_by_type)); ICMP_INPUT_NEXT_PUNT, sizeof (cm->input_next_index_by_type));
clib_memset (cm->max_valid_code_by_type, 0, clib_memset (cm->max_valid_code_by_type, 0,
sizeof (cm->max_valid_code_by_type)); sizeof (cm->max_valid_code_by_type));