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ip6: fix ip6-local urpf checking

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Use sw_if_index[VLIB_TX] if set as fib index when doing the urpf check.

Change-Id: I5ec3e7f7a54c6782704d91e9a5614fd0f7f9e3de
Signed-off-by: Florin Coras <fcoras@cisco.com>
This commit is contained in:
Florin Coras
2018-03-28 02:18:29 -07:00
committed by Chris Luke
parent 109139eed6
commit f3a3bad800
2 changed files with 10 additions and 9 deletions
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11
src/vnet/ip/ip6_forward.c
View File

@ -975,12 +975,15 @@ ip6_urpf_loose_check (ip6_main_t * im, vlib_buffer_t * b, ip6_header_t * i)
{
const load_balance_t *lb0;
index_t lbi;
u32 fib_index;
lbi = ip6_fib_table_fwding_lookup_with_if_index (im,
vnet_buffer
(b)->sw_if_index[VLIB_RX],
&i->src_address);
fib_index = vec_elt (im->fib_index_by_sw_if_index,
vnet_buffer (b)->sw_if_index[VLIB_RX]);
fib_index =
(vnet_buffer (b)->sw_if_index[VLIB_TX] == (u32) ~ 0) ?
fib_index : vnet_buffer (b)->sw_if_index[VLIB_TX];
lbi = ip6_fib_table_fwding_lookup (im, fib_index, &i->src_address);
lb0 = load_balance_get (lbi);
return (fib_urpf_check_size (lb0->lb_urpf));

8
test/test_vcl.py
View File

@ -636,11 +636,9 @@ class VCLIpv6ThruHostStackTestCase(VCLTestCase):
def test_vcl_ipv6_thru_host_stack_echo(self):
""" run VCL IPv6 thru host stack echo test """
# TBD: Enable this when VPP IPv6 thru host teardown
# config bug is fixed.
# self.thru_host_stack_test("vcl_test_server", self.server_ipv6_args,
# "vcl_test_client",
# self.client_ipv6_echo_test_args)
self.thru_host_stack_test("vcl_test_server", self.server_ipv6_args,
"vcl_test_client",
self.client_ipv6_echo_test_args)
# TBD: Remove VCLIpv6ThruHostStackExtended*TestCase classes and move
# tests here when VPP thru host teardown/setup config bug