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backport fix from mgsmith@ in VPP main repo

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This commit is contained in:
Pim van Pelt
2021-09-07 21:13:55 +00:00
parent 15efc4efc2
commit fdab236755
1 changed files with 5 additions and 8 deletions
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13
lcpng_interface.c
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@ -808,18 +808,19 @@ lcp_itf_pair_create (u32 phy_sw_if_index, u8 *host_if_name,
outer_proto = inner_proto = ETH_P_8021Q;
if (1 == sw->sub.eth.flags.dot1ad) outer_proto = ETH_P_8021AD;
LCP_ITF_PAIR_INFO (
"pair_create: createing dot1%s %d inner-dot1q %d on %U",
sw->sub.eth.flags.dot1ad ? "ad" : "q", outer_vlan, inner_vlan,
format_vnet_sw_if_index_name, vnet_get_main (), hw->sw_if_index);
parent_if_index = lcp_itf_pair_find_by_phy (sw->sup_sw_if_index);
/*
* Find the parent tap:
* - if this is an outer VLAN, find the pair from the parent phy
* - if this is an inner VLAN, find the pair from the outer sub-int, which must exist.
*/
if (inner_vlan) {
LCP_ITF_PAIR_DBG ("pair_create: trying to create dot1%s %d inner-dot1q %d on %U",
sw->sub.eth.flags.dot1ad?"ad":"q", outer_vlan, inner_vlan,
format_vnet_sw_if_index_name, vnet_get_main (), hw->sw_if_index);
vlan=inner_vlan;
proto=inner_proto;
parent_if_index = lcp_itf_pair_find_by_phy (sw->sup_sw_if_index);
linux_parent_if_index = lcp_itf_pair_find_by_outer_vlan (
sw->sup_sw_if_index, sw->sub.eth.outer_vlan_id,
sw->sub.eth.flags.dot1ad);
@ -830,12 +831,8 @@ lcp_itf_pair_create (u32 phy_sw_if_index, u8 *host_if_name,
return VNET_API_ERROR_INVALID_SW_IF_INDEX;
}
} else {
LCP_ITF_PAIR_DBG ("pair_create: trying to create dot1%s %d on %U",
sw->sub.eth.flags.dot1ad?"ad":"q", outer_vlan,
format_vnet_sw_if_index_name, vnet_get_main (), hw->sw_if_index);
vlan=outer_vlan;
proto=outer_proto;
parent_if_index = lcp_itf_pair_find_by_phy (sw->sup_sw_if_index);
linux_parent_if_index = parent_if_index;
}