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      1 #ifndef STRACE_LINUX_INET_DIAG_H
      2 #define STRACE_LINUX_INET_DIAG_H
      3 
      4 #define TCPDIAG_GETSOCK 18
      5 #define DCCPDIAG_GETSOCK 19
      6 
      7 /* Socket identity */
      8 struct inet_diag_sockid {
      9 	uint16_t idiag_sport;
     10 	uint16_t idiag_dport;
     11 	uint32_t idiag_src[4];
     12 	uint32_t idiag_dst[4];
     13 	uint32_t idiag_if;
     14 	uint32_t idiag_cookie[2];
     15 };
     16 
     17 /* Request structures */
     18 struct inet_diag_req {
     19 	uint8_t idiag_family;
     20 	uint8_t idiag_src_len;
     21 	uint8_t idiag_dst_len;
     22 	uint8_t idiag_ext;
     23 	struct inet_diag_sockid id;
     24 	uint32_t idiag_states;
     25 	uint32_t idiag_dbs;
     26 };
     27 
     28 struct inet_diag_req_v2 {
     29 	uint8_t sdiag_family;
     30 	uint8_t sdiag_protocol;
     31 	uint8_t idiag_ext;
     32 	uint8_t pad;
     33 	uint32_t idiag_states;
     34 	struct inet_diag_sockid id;
     35 };
     36 
     37 enum {
     38 	INET_DIAG_REQ_NONE,
     39 	INET_DIAG_REQ_BYTECODE,
     40 };
     41 
     42 struct inet_diag_bc_op {
     43 	unsigned char code;
     44 	unsigned char yes;
     45 	unsigned short no;
     46 };
     47 
     48 enum {
     49 	INET_DIAG_BC_NOP,
     50 	INET_DIAG_BC_JMP,
     51 	INET_DIAG_BC_S_GE,
     52 	INET_DIAG_BC_S_LE,
     53 	INET_DIAG_BC_D_GE,
     54 	INET_DIAG_BC_D_LE,
     55 	INET_DIAG_BC_AUTO,
     56 	INET_DIAG_BC_S_COND,
     57 	INET_DIAG_BC_D_COND,
     58 	INET_DIAG_BC_DEV_COND,   /* u32 ifindex */
     59 	INET_DIAG_BC_MARK_COND,
     60 	INET_DIAG_BC_S_EQ,
     61 	INET_DIAG_BC_D_EQ,
     62 };
     63 
     64 struct inet_diag_hostcond {
     65 	uint8_t family;
     66 	uint8_t prefix_len;
     67 	int port;
     68 	uint32_t addr[0];
     69 };
     70 
     71 struct inet_diag_markcond {
     72 	uint32_t mark;
     73 	uint32_t mask;
     74 };
     75 
     76 /* Info structure */
     77 struct inet_diag_msg {
     78 	uint8_t idiag_family;
     79 	uint8_t idiag_state;
     80 	uint8_t idiag_timer;
     81 	uint8_t idiag_retrans;
     82 
     83 	struct inet_diag_sockid id;
     84 
     85 	uint32_t idiag_expires;
     86 	uint32_t idiag_rqueue;
     87 	uint32_t idiag_wqueue;
     88 	uint32_t idiag_uid;
     89 	uint32_t idiag_inode;
     90 };
     91 
     92 /* Extensions */
     93 enum {
     94 	INET_DIAG_NONE,
     95 	INET_DIAG_MEMINFO,
     96 	INET_DIAG_INFO,
     97 	INET_DIAG_VEGASINFO,
     98 	INET_DIAG_CONG,
     99 	INET_DIAG_TOS,
    100 	INET_DIAG_TCLASS,
    101 	INET_DIAG_SKMEMINFO,
    102 	INET_DIAG_SHUTDOWN,
    103 	INET_DIAG_DCTCPINFO,
    104 	INET_DIAG_PROTOCOL,  /* response attribute only */
    105 	INET_DIAG_SKV6ONLY,
    106 	INET_DIAG_LOCALS,
    107 	INET_DIAG_PEERS,
    108 	INET_DIAG_PAD,
    109 	INET_DIAG_MARK,
    110 	INET_DIAG_BBRINFO,
    111 	INET_DIAG_CLASS_ID,
    112 };
    113 
    114 /* INET_DIAG_MEM */
    115 struct inet_diag_meminfo {
    116 	uint32_t idiag_rmem;
    117 	uint32_t idiag_wmem;
    118 	uint32_t idiag_fmem;
    119 	uint32_t idiag_tmem;
    120 };
    121 
    122 /* INET_DIAG_VEGASINFO */
    123 struct tcpvegas_info {
    124 	uint32_t tcpv_enabled;
    125 	uint32_t tcpv_rttcnt;
    126 	uint32_t tcpv_rtt;
    127 	uint32_t tcpv_minrtt;
    128 };
    129 
    130 /* INET_DIAG_DCTCPINFO */
    131 struct tcp_dctcp_info {
    132 	uint16_t dctcp_enabled;
    133 	uint16_t dctcp_ce_state;
    134 	uint32_t dctcp_alpha;
    135 	uint32_t dctcp_ab_ecn;
    136 	uint32_t dctcp_ab_tot;
    137 };
    138 
    139 /* INET_DIAG_BBRINFO */
    140 struct tcp_bbr_info {
    141 	uint32_t bbr_bw_lo;
    142 	uint32_t bbr_bw_hi;
    143 	uint32_t bbr_min_rtt;
    144 	uint32_t bbr_pacing_gain;
    145 	uint32_t bbr_cwnd_gain;
    146 };
    147 
    148 #endif /* !STRACE_LINUX_INET_DIAG_H */
    149