diff options
| -rw-r--r-- | vhost_user.c | 30 |
1 files changed, 29 insertions, 1 deletions
diff --git a/vhost_user.c b/vhost_user.c index f12dec5..6bf0dda 100644 --- a/vhost_user.c +++ b/vhost_user.c @@ -914,7 +914,8 @@ static bool vu_get_protocol_features_exec(struct vu_dev *vdev, { uint64_t features = 1ULL << VHOST_USER_PROTOCOL_F_REPLY_ACK | 1ULL << VHOST_USER_PROTOCOL_F_LOG_SHMFD | - 1ULL << VHOST_USER_PROTOCOL_F_DEVICE_STATE; + 1ULL << VHOST_USER_PROTOCOL_F_DEVICE_STATE | + 1ULL << VHOST_USER_PROTOCOL_F_RARP; (void)vdev; vmsg_set_reply_u64(msg, features); @@ -982,6 +983,32 @@ static bool vu_set_vring_enable_exec(struct vu_dev *vdev, } /** + * vu_set_send_rarp_exec() - vhost-user specification says: "Broadcast a fake + * RARP to notify the migration is terminated", + * but passt doesn't need to update any ARP table, + * so do nothing to silence QEMU bogus error message + * @vdev: vhost-user device + * @vmsg: vhost-user message + * + * Return: False as no reply is requested + */ +static bool vu_send_rarp_exec(struct vu_dev *vdev, + struct vhost_user_msg *msg) +{ + char macstr[ETH_ADDRSTRLEN]; + + (void)vdev; + + /* ignore the command */ + + debug("Ignore command VHOST_USER_SEND_RARP for %s", + eth_ntop((unsigned char *)&msg->payload.u64, macstr, + sizeof(macstr))); + + return false; +} + +/** * vu_set_migration_watch() - Add the migration file descriptor to epoll * @vdev: vhost-user device * @fd: File descriptor to add @@ -1177,6 +1204,7 @@ static bool (*vu_handle[VHOST_USER_MAX])(struct vu_dev *vdev, [VHOST_USER_SET_VRING_CALL] = vu_set_vring_call_exec, [VHOST_USER_SET_VRING_ERR] = vu_set_vring_err_exec, [VHOST_USER_SET_VRING_ENABLE] = vu_set_vring_enable_exec, + [VHOST_USER_SEND_RARP] = vu_send_rarp_exec, [VHOST_USER_SET_DEVICE_STATE_FD] = vu_set_device_state_fd_exec, [VHOST_USER_CHECK_DEVICE_STATE] = vu_check_device_state_exec, }; |