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authorDave Barach <dave@barachs.net>2018-08-08 17:59:03 -0400
committerNeale Ranns <nranns@cisco.com>2018-08-09 16:10:09 +0000
commit49433adb9145bfd3a9cbaa99b01c6c14aeda71a4 (patch)
treebcc5ce520b38e180b087fbaaf5559e3988f47404 /src/vnet/ip/ip6_input.c
parent7fad624b09f8d1256360222dc547519d8b40dd1c (diff)
Thread-safe ARP / ND throttling
Change-Id: I810d834c407bd404d5f0544cdec0674f0bb92d31 Signed-off-by: Dave Barach <dave@barachs.net> Signed-off-by: Dave Barach <dbarach@cisco.com>
Diffstat (limited to 'src/vnet/ip/ip6_input.c')
-rw-r--r--src/vnet/ip/ip6_input.c26
1 files changed, 24 insertions, 2 deletions
diff --git a/src/vnet/ip/ip6_input.c b/src/vnet/ip/ip6_input.c
index 6a7669db297..977d2703d19 100644
--- a/src/vnet/ip/ip6_input.c
+++ b/src/vnet/ip/ip6_input.c
@@ -246,8 +246,10 @@ VLIB_REGISTER_NODE (ip6_input_node) = {
};
/* *INDENT-ON* */
-VLIB_NODE_FUNCTION_MULTIARCH (ip6_input_node, ip6_input)
- static clib_error_t *ip6_init (vlib_main_t * vm)
+VLIB_NODE_FUNCTION_MULTIARCH (ip6_input_node, ip6_input);
+
+static clib_error_t *
+ip6_init (vlib_main_t * vm)
{
ethernet_register_input_type (vm, ETHERNET_TYPE_IP6, ip6_input_node.index);
ppp_register_input_protocol (vm, PPP_PROTOCOL_ip6, ip6_input_node.index);
@@ -270,6 +272,26 @@ VLIB_NODE_FUNCTION_MULTIARCH (ip6_input_node, ip6_input)
VLIB_INIT_FUNCTION (ip6_init);
+static clib_error_t *
+ip6_main_loop_enter (vlib_main_t * vm)
+{
+ ip6_main_t *im = &ip6_main;
+ vlib_thread_main_t *tm = &vlib_thread_main;
+ u32 n_vlib_mains = tm->n_vlib_mains;
+ int i;
+
+ vec_validate (im->nd_throttle_bitmaps, n_vlib_mains);
+ vec_validate (im->nd_throttle_seeds, n_vlib_mains);
+ vec_validate (im->nd_throttle_last_seed_change_time, n_vlib_mains);
+
+ for (i = 0; i < n_vlib_mains; i++)
+ vec_validate (im->nd_throttle_bitmaps[i],
+ (ND_THROTTLE_BITS / BITS (uword)) - 1);
+ return 0;
+}
+
+VLIB_MAIN_LOOP_ENTER_FUNCTION (ip6_main_loop_enter);
+
/*
* fd.io coding-style-patch-verification: ON
*