criu/images/sk-inet.proto

// SPDX-License-Identifier: MIT

syntax = "proto2";

import "opts.proto";
import "fown.proto";
import "sk-opts.proto";

message ip_opts_raw_entry {
	optional bool			hdrincl		= 1;
	optional bool			nodefrag	= 2;
	optional bool			checksum	= 3;
	repeated uint32			icmpv_filter	= 4;
}

message ip_opts_entry {
	optional bool			freebind	= 1;
	// Fields 2 and 3 are reserved for vz7 use
	optional ip_opts_raw_entry	raw		= 4;

	optional bool			pktinfo		= 5;
}

message inet_sk_entry {
	/*
	 * We have two IDs here -- id and ino. The first one
	 * is used when restoring socket behind a file descriprot.
	 * The fdinfo image's id is it. The second one is used
	 * in sk-inet.c internally, in particular we identify
	 * a TCP stream to restore into this socket using the
	 * ino value.
	 */
	required uint32			id		=  1;
	required uint32			ino		=  2;
	required uint32			family		=  3 [(criu).dict = "sk"];
	required uint32			type		=  4 [(criu).dict = "sk"];
	required uint32			proto		=  5 [(criu).dict = "sk"];
	required uint32			state		=  6 [(criu).dict = "sk"];
	required uint32			src_port	=  7;
	required uint32			dst_port	=  8;
	required uint32			flags		=  9 [(criu).hex = true];
	required uint32			backlog		= 10;

	repeated uint32			src_addr	= 11 [(criu).ipadd = true];
	repeated uint32			dst_addr	= 12 [(criu).ipadd = true];

	required fown_entry		fown		= 13;
	required sk_opts_entry		opts		= 14;
	optional bool			v6only		= 15;
	optional ip_opts_entry		ip_opts		= 16;

	/* for ipv6, we need to send the ifindex to bind(); we keep the ifname
	 * here and convert it on restore */
	optional string			ifname		= 17;
	optional uint32			ns_id		= 18;
	optional sk_shutdown		shutdown	= 19;
}