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authorNeale Ranns <neale@graphiant.com>2022-02-22 14:51:08 +0000
committerMatthew Smith <mgsmith@netgate.com>2022-02-22 18:20:34 +0000
commit09cdea643aa181d833df15b8c96c3a812320761a (patch)
tree2b76127569c6408cf692ed047a9438e08297f9ec /src/plugins/linux-cp/lcp_interface.c
parentcb8b4c9486cf5362d8f6558bf59cea20f94a7d6f (diff)
linux-cp: Only enable/disable the punt feature on the 0<->1 transition
Type: fix otherwise the feature is enabled n times for n lcp-pairs and the packets go n times through the feature. Signed-off-by: Neale Ranns <neale@graphiant.com> Change-Id: I8e47e4a293d6e2711f54aa09e9545e5e07728026
Diffstat (limited to 'src/plugins/linux-cp/lcp_interface.c')
-rw-r--r--src/plugins/linux-cp/lcp_interface.c23
1 files changed, 14 insertions, 9 deletions
diff --git a/src/plugins/linux-cp/lcp_interface.c b/src/plugins/linux-cp/lcp_interface.c
index 3a6a6852f37..8f0b78e7a44 100644
--- a/src/plugins/linux-cp/lcp_interface.c
+++ b/src/plugins/linux-cp/lcp_interface.c
@@ -308,10 +308,13 @@ lcp_itf_pair_add (u32 host_sw_if_index, u32 phy_sw_if_index, u8 *host_name,
}
else
{
- vnet_feature_enable_disable ("ip4-punt", "linux-cp-punt-l3", 0, 1, NULL,
- 0);
- vnet_feature_enable_disable ("ip6-punt", "linux-cp-punt-l3", 0, 1, NULL,
- 0);
+ if (hash_elts (lip_db_by_vif) == 1)
+ {
+ vnet_feature_enable_disable ("ip4-punt", "linux-cp-punt-l3", 0, 1,
+ NULL, 0);
+ vnet_feature_enable_disable ("ip6-punt", "linux-cp-punt-l3", 0, 1,
+ NULL, 0);
+ }
}
/* invoke registered callbacks for pair addition */
@@ -435,12 +438,14 @@ lcp_itf_pair_del (u32 phy_sw_if_index)
}
else
{
- vnet_feature_enable_disable ("ip4-punt", "linux-cp-punt-l3", 0, 0, NULL,
- 0);
- vnet_feature_enable_disable ("ip6-punt", "linux-cp-punt-l3", 0, 0, NULL,
- 0);
+ if (hash_elts (lip_db_by_vif) == 1)
+ {
+ vnet_feature_enable_disable ("ip4-punt", "linux-cp-punt-l3", 0, 0,
+ NULL, 0);
+ vnet_feature_enable_disable ("ip6-punt", "linux-cp-punt-l3", 0, 0,
+ NULL, 0);
+ }
}
-
lip_db_by_phy[phy_sw_if_index] = INDEX_INVALID;
lip_db_by_host[lip->lip_host_sw_if_index] = INDEX_INVALID;
hash_unset (lip_db_by_vif, lip->lip_vif_index);