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authorNeale Ranns <nranns@cisco.com>2017-05-16 08:46:45 -0700
committerDamjan Marion <dmarion.lists@gmail.com>2017-05-17 00:16:24 +0000
commitd5b6aa139856a1447f7bc5377058202110eaa4cf (patch)
treeb192c8176824c075c2192d14ec5cd65ccd2ef4f8 /src/vnet/ip/lookup.h
parent259cdaeccb70ea1a45b422218d3f5e1920459db8 (diff)
ARP learning fixes (VPP-843)
learn ARP peers if, 1) it's a reply to a local address, 2) we are sending a response to a request. send proxy ARP responses only in the interface the request was sent. Change-Id: I22b949c65122824233076492b7dd537daca07bc2 Signed-off-by: Neale Ranns <nranns@cisco.com>
Diffstat (limited to 'src/vnet/ip/lookup.h')
-rw-r--r--src/vnet/ip/lookup.h23
1 files changed, 15 insertions, 8 deletions
diff --git a/src/vnet/ip/lookup.h b/src/vnet/ip/lookup.h
index 941a6df965e..90c6a25573f 100644
--- a/src/vnet/ip/lookup.h
+++ b/src/vnet/ip/lookup.h
@@ -181,7 +181,7 @@ ip_interface_address_get_address (ip_lookup_main_t * lm,
/* *INDENT-OFF* */
#define foreach_ip_interface_address(lm,a,sw_if_index,loop,body) \
do { \
- vnet_main_t *_vnm = vnet_get_main(); \
+ vnet_main_t *_vnm = vnet_get_main(); \
u32 _sw_if_index = sw_if_index; \
vnet_sw_interface_t *_swif; \
_swif = vnet_get_sw_interface (_vnm, _sw_if_index); \
@@ -189,13 +189,20 @@ do { \
/* \
* Loop => honor unnumbered interface addressing. \
*/ \
- if (loop && _swif->flags & VNET_SW_INTERFACE_FLAG_UNNUMBERED) \
- _sw_if_index = _swif->unnumbered_sw_if_index; \
- u32 _ia = \
- (vec_len((lm)->if_address_pool_index_by_sw_if_index) \
- > (_sw_if_index)) \
- ? vec_elt ((lm)->if_address_pool_index_by_sw_if_index, \
- (_sw_if_index)) : (u32)~0; \
+ if (_swif->flags & VNET_SW_INTERFACE_FLAG_UNNUMBERED) \
+ { \
+ if (loop) \
+ _sw_if_index = _swif->unnumbered_sw_if_index; \
+ else \
+ /* the interface is unnumbered, by the caller does not want \
+ * unnumbered interfaces considered/honoured */ \
+ break; \
+ } \
+ u32 _ia = ((vec_len((lm)->if_address_pool_index_by_sw_if_index) \
+ > (_sw_if_index)) ? \
+ vec_elt ((lm)->if_address_pool_index_by_sw_if_index, \
+ (_sw_if_index)) : \
+ (u32)~0); \
ip_interface_address_t * _a; \
while (_ia != ~0) \
{ \