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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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204621551b
For AF_INET6 sockets, the value of struct ipv6_pinfo.ipv6only is exported to userspace. It indicates whether a socket bound to in6addr_any listens on IPv4 as well as IPv6. Since the socket is natively IPv6, it is not listed by e.g. 'ss -l -4'. This patch is accompanied by an appropriate one for iproute2 to enable the additional information in 'ss -e'. Signed-off-by: Phil Sutter <phil@nwl.cc> Signed-off-by: David S. Miller <davem@davemloft.net>
153 lines
2.8 KiB
C
153 lines
2.8 KiB
C
#ifndef _UAPI_INET_DIAG_H_
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#define _UAPI_INET_DIAG_H_
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#include <linux/types.h>
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/* Just some random number */
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#define TCPDIAG_GETSOCK 18
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#define DCCPDIAG_GETSOCK 19
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#define INET_DIAG_GETSOCK_MAX 24
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/* Socket identity */
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struct inet_diag_sockid {
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__be16 idiag_sport;
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__be16 idiag_dport;
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__be32 idiag_src[4];
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__be32 idiag_dst[4];
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__u32 idiag_if;
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__u32 idiag_cookie[2];
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#define INET_DIAG_NOCOOKIE (~0U)
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};
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/* Request structure */
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struct inet_diag_req {
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__u8 idiag_family; /* Family of addresses. */
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__u8 idiag_src_len;
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__u8 idiag_dst_len;
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__u8 idiag_ext; /* Query extended information */
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struct inet_diag_sockid id;
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__u32 idiag_states; /* States to dump */
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__u32 idiag_dbs; /* Tables to dump (NI) */
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};
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struct inet_diag_req_v2 {
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__u8 sdiag_family;
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__u8 sdiag_protocol;
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__u8 idiag_ext;
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__u8 pad;
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__u32 idiag_states;
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struct inet_diag_sockid id;
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};
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enum {
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INET_DIAG_REQ_NONE,
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INET_DIAG_REQ_BYTECODE,
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};
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#define INET_DIAG_REQ_MAX INET_DIAG_REQ_BYTECODE
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/* Bytecode is sequence of 4 byte commands followed by variable arguments.
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* All the commands identified by "code" are conditional jumps forward:
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* to offset cc+"yes" or to offset cc+"no". "yes" is supposed to be
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* length of the command and its arguments.
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*/
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struct inet_diag_bc_op {
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unsigned char code;
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unsigned char yes;
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unsigned short no;
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};
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enum {
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INET_DIAG_BC_NOP,
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INET_DIAG_BC_JMP,
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INET_DIAG_BC_S_GE,
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INET_DIAG_BC_S_LE,
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INET_DIAG_BC_D_GE,
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INET_DIAG_BC_D_LE,
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INET_DIAG_BC_AUTO,
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INET_DIAG_BC_S_COND,
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INET_DIAG_BC_D_COND,
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};
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struct inet_diag_hostcond {
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__u8 family;
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__u8 prefix_len;
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int port;
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__be32 addr[0];
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};
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/* Base info structure. It contains socket identity (addrs/ports/cookie)
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* and, alas, the information shown by netstat. */
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struct inet_diag_msg {
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__u8 idiag_family;
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__u8 idiag_state;
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__u8 idiag_timer;
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__u8 idiag_retrans;
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struct inet_diag_sockid id;
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__u32 idiag_expires;
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__u32 idiag_rqueue;
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__u32 idiag_wqueue;
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__u32 idiag_uid;
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__u32 idiag_inode;
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};
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/* Extensions */
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enum {
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INET_DIAG_NONE,
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INET_DIAG_MEMINFO,
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INET_DIAG_INFO,
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INET_DIAG_VEGASINFO,
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INET_DIAG_CONG,
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INET_DIAG_TOS,
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INET_DIAG_TCLASS,
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INET_DIAG_SKMEMINFO,
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INET_DIAG_SHUTDOWN,
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INET_DIAG_DCTCPINFO,
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INET_DIAG_PROTOCOL, /* response attribute only */
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INET_DIAG_SKV6ONLY,
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};
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#define INET_DIAG_MAX INET_DIAG_SKV6ONLY
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/* INET_DIAG_MEM */
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struct inet_diag_meminfo {
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__u32 idiag_rmem;
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__u32 idiag_wmem;
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__u32 idiag_fmem;
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__u32 idiag_tmem;
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};
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/* INET_DIAG_VEGASINFO */
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struct tcpvegas_info {
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__u32 tcpv_enabled;
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__u32 tcpv_rttcnt;
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__u32 tcpv_rtt;
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__u32 tcpv_minrtt;
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};
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/* INET_DIAG_DCTCPINFO */
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struct tcp_dctcp_info {
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__u16 dctcp_enabled;
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__u16 dctcp_ce_state;
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__u32 dctcp_alpha;
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__u32 dctcp_ab_ecn;
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__u32 dctcp_ab_tot;
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};
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union tcp_cc_info {
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struct tcpvegas_info vegas;
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struct tcp_dctcp_info dctcp;
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};
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#endif /* _UAPI_INET_DIAG_H_ */
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