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[vpp] Allow routes to override Class E drop #233

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[vpp] Allow routes to override Class E drop #233

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18 changes: 18 additions & 0 deletions vppbld/patches/0010-ip4-fib-allow-class-e-route-override.patch
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Original file line number Diff line number Diff line change
@@ -0,0 +1,18 @@
diff --git a/src/vnet/fib/ip4_fib.c b/src/vnet/fib/ip4_fib.c
index 27f23497f..9d5e5331a 100644
--- a/src/vnet/fib/ip4_fib.c
+++ b/src/vnet/fib/ip4_fib.c
@@ -59,7 +59,12 @@ static const ip4_fib_table_special_prefix_t ip4_specials[] = {
.fp_len = 4,
.fp_proto = FIB_PROTOCOL_IP4,
},
- .ift_source = FIB_SOURCE_SPECIAL,
+ /*
+ * SONiC VPP uses Class E destinations in dataplane tests and should
+ * honor explicit/default routes for them instead of forcing a
+ * platform-only drop.
+ */
+ .ift_source = FIB_SOURCE_DEFAULT_ROUTE,
.ift_flag = FIB_ENTRY_FLAG_DROP,

},
2 changes: 2 additions & 0 deletions vppbld/patches/series
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Expand Up @@ -17,3 +17,5 @@
0008-bond-drop-stats-track-original-member-interface.patch
# 9. Add ipip mp2p tunnel
0009-ipip-add-mp2p-ipip-tunnel.patch
# 10. Allow SONiC routes to override VPP's Class E default drop
0010-ip4-fib-allow-class-e-route-override.patch