| /* 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_ */ |