diff options
Diffstat (limited to 'include/uapi/linux/inet_diag.h')
| -rw-r--r-- | include/uapi/linux/inet_diag.h | 239 |
1 files changed, 239 insertions, 0 deletions
diff --git a/include/uapi/linux/inet_diag.h b/include/uapi/linux/inet_diag.h new file mode 100644 index 000000000..50655de04 --- /dev/null +++ b/include/uapi/linux/inet_diag.h @@ -0,0 +1,239 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ +#ifndef _UAPI_INET_DIAG_H_ +#define _UAPI_INET_DIAG_H_ + +#include <linux/types.h> + +/* Just some random number */ +#define TCPDIAG_GETSOCK 18 +#define DCCPDIAG_GETSOCK 19 + +#define INET_DIAG_GETSOCK_MAX 24 + +/* Socket identity */ +struct inet_diag_sockid { + __be16 idiag_sport; + __be16 idiag_dport; + __be32 idiag_src[4]; + __be32 idiag_dst[4]; + __u32 idiag_if; + __u32 idiag_cookie[2]; +#define INET_DIAG_NOCOOKIE (~0U) +}; + +/* Request structure */ + +struct inet_diag_req { + __u8 idiag_family; /* Family of addresses. */ + __u8 idiag_src_len; + __u8 idiag_dst_len; + __u8 idiag_ext; /* Query extended information */ + + struct inet_diag_sockid id; + + __u32 idiag_states; /* States to dump */ + __u32 idiag_dbs; /* Tables to dump (NI) */ +}; + +struct inet_diag_req_v2 { + __u8 sdiag_family; + __u8 sdiag_protocol; + __u8 idiag_ext; + __u8 pad; + __u32 idiag_states; + struct inet_diag_sockid id; +}; + +/* + * SOCK_RAW sockets require the underlied protocol to be + * additionally specified so we can use @pad member for + * this, but we can't rename it because userspace programs + * still may depend on this name. Instead lets use another + * structure definition as an alias for struct + * @inet_diag_req_v2. + */ +struct inet_diag_req_raw { + __u8 sdiag_family; + __u8 sdiag_protocol; + __u8 idiag_ext; + __u8 sdiag_raw_protocol; + __u32 idiag_states; + struct inet_diag_sockid id; +}; + +enum { + INET_DIAG_REQ_NONE, + INET_DIAG_REQ_BYTECODE, + INET_DIAG_REQ_SK_BPF_STORAGES, + INET_DIAG_REQ_PROTOCOL, + __INET_DIAG_REQ_MAX, +}; + +#define INET_DIAG_REQ_MAX (__INET_DIAG_REQ_MAX - 1) + +/* Bytecode is sequence of 4 byte commands followed by variable arguments. + * All the commands identified by "code" are conditional jumps forward: + * to offset cc+"yes" or to offset cc+"no". "yes" is supposed to be + * length of the command and its arguments. + */ + +struct inet_diag_bc_op { + unsigned char code; + unsigned char yes; + unsigned short no; +}; + +enum { + INET_DIAG_BC_NOP, + INET_DIAG_BC_JMP, + INET_DIAG_BC_S_GE, + INET_DIAG_BC_S_LE, + INET_DIAG_BC_D_GE, + INET_DIAG_BC_D_LE, + INET_DIAG_BC_AUTO, + INET_DIAG_BC_S_COND, + INET_DIAG_BC_D_COND, + INET_DIAG_BC_DEV_COND, /* u32 ifindex */ + INET_DIAG_BC_MARK_COND, + INET_DIAG_BC_S_EQ, + INET_DIAG_BC_D_EQ, + INET_DIAG_BC_CGROUP_COND, /* u64 cgroup v2 ID */ +}; + +struct inet_diag_hostcond { + __u8 family; + __u8 prefix_len; + int port; + __be32 addr[]; +}; + +struct inet_diag_markcond { + __u32 mark; + __u32 mask; +}; + +/* Base info structure. It contains socket identity (addrs/ports/cookie) + * and, alas, the information shown by netstat. */ +struct inet_diag_msg { + __u8 idiag_family; + __u8 idiag_state; + __u8 idiag_timer; + __u8 idiag_retrans; + + struct inet_diag_sockid id; + + __u32 idiag_expires; + __u32 idiag_rqueue; + __u32 idiag_wqueue; + __u32 idiag_uid; + __u32 idiag_inode; +}; + +/* Extensions */ + +enum { + INET_DIAG_NONE, + INET_DIAG_MEMINFO, + INET_DIAG_INFO, + INET_DIAG_VEGASINFO, + INET_DIAG_CONG, + INET_DIAG_TOS, + INET_DIAG_TCLASS, + INET_DIAG_SKMEMINFO, + INET_DIAG_SHUTDOWN, + + /* + * Next extenstions cannot be requested in struct inet_diag_req_v2: + * its field idiag_ext has only 8 bits. + */ + + INET_DIAG_DCTCPINFO, /* request as INET_DIAG_VEGASINFO */ + INET_DIAG_PROTOCOL, /* response attribute only */ + INET_DIAG_SKV6ONLY, + INET_DIAG_LOCALS, + INET_DIAG_PEERS, + INET_DIAG_PAD, + INET_DIAG_MARK, /* only with CAP_NET_ADMIN */ + INET_DIAG_BBRINFO, /* request as INET_DIAG_VEGASINFO */ + INET_DIAG_CLASS_ID, /* request as INET_DIAG_TCLASS */ + INET_DIAG_MD5SIG, + INET_DIAG_ULP_INFO, + INET_DIAG_SK_BPF_STORAGES, + INET_DIAG_CGROUP_ID, + INET_DIAG_SOCKOPT, + __INET_DIAG_MAX, +}; + +#define INET_DIAG_MAX (__INET_DIAG_MAX - 1) + +enum { + INET_ULP_INFO_UNSPEC, + INET_ULP_INFO_NAME, + INET_ULP_INFO_TLS, + INET_ULP_INFO_MPTCP, + __INET_ULP_INFO_MAX, +}; +#define INET_ULP_INFO_MAX (__INET_ULP_INFO_MAX - 1) + +/* INET_DIAG_MEM */ + +struct inet_diag_meminfo { + __u32 idiag_rmem; + __u32 idiag_wmem; + __u32 idiag_fmem; + __u32 idiag_tmem; +}; + +/* INET_DIAG_SOCKOPT */ + +struct inet_diag_sockopt { + __u8 recverr:1, + is_icsk:1, + freebind:1, + hdrincl:1, + mc_loop:1, + transparent:1, + mc_all:1, + nodefrag:1; + __u8 bind_address_no_port:1, + recverr_rfc4884:1, + defer_connect:1, + unused:5; +}; + +/* INET_DIAG_VEGASINFO */ + +struct tcpvegas_info { + __u32 tcpv_enabled; + __u32 tcpv_rttcnt; + __u32 tcpv_rtt; + __u32 tcpv_minrtt; +}; + +/* INET_DIAG_DCTCPINFO */ + +struct tcp_dctcp_info { + __u16 dctcp_enabled; + __u16 dctcp_ce_state; + __u32 dctcp_alpha; + __u32 dctcp_ab_ecn; + __u32 dctcp_ab_tot; +}; + +/* INET_DIAG_BBRINFO */ + +struct tcp_bbr_info { + /* u64 bw: max-filtered BW (app throughput) estimate in Byte per sec: */ + __u32 bbr_bw_lo; /* lower 32 bits of bw */ + __u32 bbr_bw_hi; /* upper 32 bits of bw */ + __u32 bbr_min_rtt; /* min-filtered RTT in uSec */ + __u32 bbr_pacing_gain; /* pacing gain shifted left 8 bits */ + __u32 bbr_cwnd_gain; /* cwnd gain shifted left 8 bits */ +}; + +union tcp_cc_info { + struct tcpvegas_info vegas; + struct tcp_dctcp_info dctcp; + struct tcp_bbr_info bbr; +}; +#endif /* _UAPI_INET_DIAG_H_ */ |