diff options
Diffstat (limited to 'vnet/vnet/interface.c')
| -rw-r--r-- | vnet/vnet/interface.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/vnet/vnet/interface.c b/vnet/vnet/interface.c index 772c3bca75f..595ed1432bc 100644 --- a/vnet/vnet/interface.c +++ b/vnet/vnet/interface.c @@ -449,8 +449,16 @@ vnet_sw_interface_set_flags_helper (vnet_main_t * vnm, u32 sw_if_index, mc_serialize (vm->mc_main, &vnet_sw_interface_set_flags_msg, &s); } - error = call_elf_section_interface_callbacks - (vnm, sw_if_index, flags, vnm->sw_interface_admin_up_down_functions); + /* set the flags now before invoking the registered clients + * so that the state they query is consistent with the state here notified */ + old_flags = si->flags; + si->flags &= ~mask; + si->flags |= flags; + if ((flags | old_flags) & VNET_SW_INTERFACE_FLAG_ADMIN_UP) + error = call_elf_section_interface_callbacks + (vnm, sw_if_index, flags, + vnm->sw_interface_admin_up_down_functions); + si->flags = old_flags; if (error) goto done; |