diff options
| author | Christoph Paasch <cpaasch@apple.com> | 2020-01-31 15:51:09 -0800 |
|---|---|---|
| committer | Dmitry Vyukov <dvyukov@google.com> | 2020-06-11 22:16:56 +0200 |
| commit | 1ffa7b1e771dad7944976c721ed61a0762d7b65f (patch) | |
| tree | 36a5e7823585aa0a3c7f46f519ef5017f8ae09fe /sys/linux/socket_netlink_generic_mptcp.txt | |
| parent | 6dd6b37bc78fd2045096b6414fcfc42a7a943cf2 (diff) | |
sys/linux: mptcp: Add netlink-API for MPTCP path-management
MPTCP exposes a generic netlink API to control address advertisement and
subflow-creation. syzkaller should make use of this interface.
Diffstat (limited to 'sys/linux/socket_netlink_generic_mptcp.txt')
| -rw-r--r-- | sys/linux/socket_netlink_generic_mptcp.txt | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/sys/linux/socket_netlink_generic_mptcp.txt b/sys/linux/socket_netlink_generic_mptcp.txt new file mode 100644 index 000000000..a0ea0351a --- /dev/null +++ b/sys/linux/socket_netlink_generic_mptcp.txt @@ -0,0 +1,40 @@ +# Copyright 2020 syzkaller project authors. All rights reserved. +# Use of this source code is governed by Apache 2 LICENSE that can be found in the LICENSE file. + +# AF_NETLINK/NETLINK_GENERIC/mptcp support. + +include <linux/net.h> +include <uapi/linux/netlink.h> +include <uapi/linux/genetlink.h> +include <uapi/linux/mptcp.h> + +resource genl_mptcp_family_id[int16] +type msghdr_nl_mptcp[CMD] msghdr_netlink[netlink_msg_t[genl_mptcp_family_id, genlmsghdr_t[CMD], mptcp_pm_policy]] + +syz_genetlink_get_family_id$mptcp(name ptr[in, string["mptcp_pm"]]) genl_mptcp_family_id + +sendmsg$MPTCP_PM_CMD_ADD_ADDR(fd sock_nl_generic, msg ptr[in, msghdr_nl_mptcp[MPTCP_PM_CMD_ADD_ADDR]], f flags[send_flags]) +sendmsg$MPTCP_PM_CMD_DEL_ADDR(fd sock_nl_generic, msg ptr[in, msghdr_nl_mptcp[MPTCP_PM_CMD_DEL_ADDR]], f flags[send_flags]) +sendmsg$MPTCP_PM_CMD_GET_ADDR(fd sock_nl_generic, msg ptr[in, msghdr_nl_mptcp[MPTCP_PM_CMD_GET_ADDR]], f flags[send_flags]) +sendmsg$MPTCP_PM_CMD_FLUSH_ADDRS(fd sock_nl_generic, msg ptr[in, msghdr_nl_mptcp[MPTCP_PM_CMD_FLUSH_ADDRS]], f flags[send_flags]) +sendmsg$MPTCP_PM_CMD_SET_LIMITS(fd sock_nl_generic, msg ptr[in, msghdr_nl_mptcp[MPTCP_PM_CMD_SET_LIMITS]], f flags[send_flags]) +sendmsg$MPTCP_PM_CMD_GET_LIMITS(fd sock_nl_generic, msg ptr[in, msghdr_nl_mptcp[MPTCP_PM_CMD_GET_LIMITS]], f flags[send_flags]) + +mptcp_pm_policy [ + MPTCP_PM_ATTR_ADDR nlnest[MPTCP_PM_ATTR_ADDR, array[mptcp_pm_addr_policy, 0:7]] + MPTCP_PM_ATTR_RCV_ADD_ADDRS nlattr[MPTCP_PM_ATTR_RCV_ADD_ADDRS, int32[0:8]] + MPTCP_PM_ATTR_SUBFLOWS nlattr[MPTCP_PM_ATTR_SUBFLOWS, int32[0:8]] +] [varlen] + +mptcp_pm_addr_policy [ + MPTCP_PM_ADDR_ATTR_FAMILY nlattr[MPTCP_PM_ADDR_ATTR_FAMILY, flags[mptcp_families, int16]] + MPTCP_PM_ADDR_ATTR_ID nlattr[MPTCP_PM_ADDR_ATTR_ID, int8] + MPTCP_PM_ADDR_ATTR_ADDR4 nlattr[MPTCP_PM_ADDR_ATTR_ADDR4, ipv4_addr] + MPTCP_PM_ADDR_ATTR_ADDR6 nlattr[MPTCP_PM_ADDR_ATTR_ADDR6, ipv6_addr] + MPTCP_PM_ADDR_ATTR_PORT nlattr[MPTCP_PM_ADDR_ATTR_PORT, sock_port] + MPTCP_PM_ADDR_ATTR_FLAGS nlattr[MPTCP_PM_ADDR_ATTR_FLAGS, flags[mptcp_pm_addr_flags, int32]] + MPTCP_PM_ADDR_ATTR_IF_IDX nlattr[MPTCP_PM_ADDR_ATTR_IF_IDX, ifindex] +] [varlen] + +mptcp_families = AF_INET, AF_INET6 +mptcp_pm_addr_flags = MPTCP_PM_ADDR_FLAG_SIGNAL, MPTCP_PM_ADDR_FLAG_SUBFLOW, MPTCP_PM_ADDR_FLAG_BACKUP |