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Also set TAP carrier on netlink messages

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This commit is contained in:
Pim van Pelt
2021-09-08 21:14:25 +00:00
parent 45cb9b4afc
commit 2c390ae512
1 changed files with 8 additions and 0 deletions
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8
lcpng_nl_sync.c
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@ -27,6 +27,7 @@
#include <plugins/lcpng/lcpng_interface.h>
#include <plugins/lcpng/lcpng_netlink.h>
#include <vnet/devices/tap/tap.h>
#include <vnet/fib/fib_table.h>
#include <vnet/mfib/mfib_table.h>
#include <vnet/ip/ip6_ll_table.h>
@ -793,6 +794,7 @@ lcp_nl_link_add (struct rtnl_link *rl, void *ctx)
{
vnet_main_t *vnm = vnet_get_main ();
lcp_itf_pair_t *lip;
vnet_sw_interface_t *si;
int admin_state;
NL_DBG ("link_add: netlink %U", format_nl_object, rl);
@ -809,6 +811,8 @@ lcp_nl_link_add (struct rtnl_link *rl, void *ctx)
}
admin_state = (IFF_UP & rtnl_link_get_flags (rl));
// Note: cannot use lcp_itf_set_link_state() here because it creates a loop
// by sending a netlink message.
if (admin_state)
{
vnet_sw_interface_admin_up (vnm, lip->lip_host_sw_if_index);
@ -819,6 +823,10 @@ lcp_nl_link_add (struct rtnl_link *rl, void *ctx)
vnet_sw_interface_admin_down (vnm, lip->lip_phy_sw_if_index);
vnet_sw_interface_admin_down (vnm, lip->lip_host_sw_if_index);
}
/* Set carrier (oper link) on the TAP
*/
si = vnet_get_sw_interface_or_null (vnm, lip->lip_host_sw_if_index);
tap_set_carrier (si->hw_if_index, admin_state);
lcp_nl_link_set_mtu (rl, lip);
lcp_nl_link_set_lladdr (rl, lip);