# 2.11BSD#431 - /usr/src/sys/h/protosw.h

##### Variables

    prcorequests      X
    prcrequests       X
    prurequests       X

##### Macros

    PRCO_GETOPT       X
    PRCO_NCMDS        X
    PRCO_SETOPT       X
    PRC_HOSTDEAD      X
    PRC_HOSTUNREACH   X
    PRC_IFDOWN        X
    PRC_IS_REDIRECT   X
    PRC_MSGSIZE       X
    PRC_NCMDS         X
    PRC_PARAMPROB     X
    PRC_QUENCH        X
    PRC_REDIRECT_HOST X
    PRC_REDIRECT_NET  X
    PRC_REDIRECT_TOSHOSTX
    PRC_REDIRECT_TOSNETX
    PRC_ROUTEDEAD     X
    PRC_TIMXCEED_INTRANSX
    PRC_TIMXCEED_REASSX
    PRC_UNREACH_HOST  X
    PRC_UNREACH_NEEDFRAGX
    PRC_UNREACH_NET   X
    PRC_UNREACH_PORT  X
    PRC_UNREACH_PROTOCOLX
    PRC_UNREACH_SRCFAILX
    PRU_ABORT         X
    PRU_ACCEPT        X
    PRU_ATTACH        X
    PRU_BIND          X
    PRU_CONNECT       X
    PRU_CONNECT2      X
    PRU_CONTROL       X
    PRU_DETACH        X
    PRU_DISCONNECT    X
    PRU_FASTTIMO      X
    PRU_LISTEN        X
    PRU_NREQ          X
    PRU_PEERADDR      X
    PRU_PROTORCV      X
    PRU_PROTOSEND     X
    PRU_RCVD          X
    PRU_RCVOOB        X
    PRU_SEND          X
    PRU_SENDOOB       X
    PRU_SENSE         X
    PRU_SHUTDOWN      X
    PRU_SLOWTIMO      X
    PRU_SOCKADDR      X
    PR_ADDR           X
    PR_ATOMIC         X
    PR_CONNREQUIRED   X
    PR_FASTHZ         X
    PR_RIGHTS         X
    PR_SLOWHZ         X
    PR_WANTRCVD       X

##### struct's

    protosw           X

       1: /*
       2:  * Copyright (c) 1982, 1986 Regents of the University of California.
       3:  * All rights reserved.
       4:  *
       5:  * Redistribution and use in source and binary forms are permitted
       6:  * provided that this notice is preserved and that due credit is given
       7:  * to the University of California at Berkeley. The name of the University
       8:  * may not be used to endorse or promote products derived from this
       9:  * software without specific prior written permission. This software
      10:  * is provided ``as is'' without express or implied warranty.
      11:  *
      12:  *	@(#)protosw.h	7.2.2 (2.11BSD GTE) 1995/10/09
      13:  */
      14:
      15: /*
      16:  * Protocol switch table.
      17:  *
      18:  * Each protocol has a handle initializing one of these structures,
      19:  * which is used for protocol-protocol and system-protocol communication.
      20:  *
      21:  * A protocol is called through the pr_init entry before any other.
      22:  * Thereafter it is called every 200ms through the pr_fasttimo entry and
      23:  * every 500ms through the pr_slowtimo for timer based actions.
      24:  * The system will call the pr_drain entry if it is low on space and
      25:  * this should throw away any non-critical data.
      26:  *
      27:  * Protocols pass data between themselves as chains of mbufs using
      28:  * the pr_input and pr_output hooks.  Pr_input passes data up (towards
      29:  * UNIX) and pr_output passes it down (towards the imps); control
      30:  * information passes up and down on pr_ctlinput and pr_ctloutput.
      31:  * The protocol is responsible for the space occupied by any the
      32:  * arguments to these entries and must dispose it.
      33:  *
      34:  * The userreq routine interfaces protocols to the system and is
      35:  * described below.
      36:  */
      37: struct protosw {
      38:     short   pr_type;        /* socket type used for */
      39:     struct  domain *pr_domain;  /* domain protocol a member of */
      40:     short   pr_protocol;        /* protocol number */
      41:     short   pr_flags;       /* see below */
      42: /* protocol-protocol hooks */
      43:     int (*pr_input)();      /* input to protocol (from below) */
      44:     int (*pr_output)();     /* output to protocol (from above) */
      45:     int (*pr_ctlinput)();   /* control input (from below) */
      46:     int (*pr_ctloutput)();  /* control output (from above) */
      47: /* user-protocol hook */
      48:     int (*pr_usrreq)();     /* user request: see list below */
      49: /* utility hooks */
      50:     int (*pr_init)();       /* initialization hook */
      51:     int (*pr_fasttimo)();   /* fast timeout (200ms) */
      52:     int (*pr_slowtimo)();   /* slow timeout (500ms) */
      53:     int (*pr_drain)();      /* flush any excess space possible */
      54:     int (*pr_sysctl)();     /* sysctl for protocol */
      55: };
      56:
      57: #define PR_SLOWHZ   2       /* 2 slow timeouts per second */
      58: #define PR_FASTHZ   5       /* 5 fast timeouts per second */
      59:
      60: /*
      61:  * Values for pr_flags
      62:  */
      63: #define PR_ATOMIC   0x01        /* exchange atomic messages only */
      64: #define PR_ADDR     0x02        /* addresses given with messages */
      65: /* in the current implementation, PR_ADDR needs PR_ATOMIC to work */
      66: #define PR_CONNREQUIRED 0x04        /* connection required by protocol */
      67: #define PR_WANTRCVD 0x08        /* want PRU_RCVD calls */
      68: #define PR_RIGHTS   0x10        /* passes capabilities */
      69:
      70: /*
      71:  * The arguments to usrreq are:
      72:  *	(*protosw[].pr_usrreq)(up, req, m, nam, opt);
      73:  * where up is a (struct socket *), req is one of these requests,
      74:  * m is a optional mbuf chain containing a message,
      75:  * nam is an optional mbuf chain containing an address,
      76:  * and opt is a pointer to a socketopt structure or nil.
      77:  * The protocol is responsible for disposal of the mbuf chain m,
      78:  * the caller is responsible for any space held by nam and opt.
      79:  * A non-zero return from usrreq gives an
      80:  * UNIX error number which should be passed to higher level software.
      81:  */
      82: #define PRU_ATTACH      0   /* attach protocol to up */
      83: #define PRU_DETACH      1   /* detach protocol from up */
      84: #define PRU_BIND        2   /* bind socket to address */
      85: #define PRU_LISTEN      3   /* listen for connection */
      86: #define PRU_CONNECT     4   /* establish connection to peer */
      87: #define PRU_ACCEPT      5   /* accept connection from peer */
      88: #define PRU_DISCONNECT      6   /* disconnect from peer */
      89: #define PRU_SHUTDOWN        7   /* won't send any more data */
      90: #define PRU_RCVD        8   /* have taken data; more room now */
      91: #define PRU_SEND        9   /* send this data */
      92: #define PRU_ABORT       10  /* abort (fast DISCONNECT, DETATCH) */
      93: #define PRU_CONTROL     11  /* control operations on protocol */
      94: #define PRU_SENSE       12  /* return status into m */
      95: #define PRU_RCVOOB      13  /* retrieve out of band data */
      96: #define PRU_SENDOOB     14  /* send out of band data */
      97: #define PRU_SOCKADDR        15  /* fetch socket's address */
      98: #define PRU_PEERADDR        16  /* fetch peer's address */
      99: #define PRU_CONNECT2        17  /* connect two sockets */
     100: /* begin for protocols internal use */
     101: #define PRU_FASTTIMO        18  /* 200ms timeout */
     102: #define PRU_SLOWTIMO        19  /* 500ms timeout */
     103: #define PRU_PROTORCV        20  /* receive from below */
     104: #define PRU_PROTOSEND       21  /* send to below */
     105:
     106: #define PRU_NREQ        21
     107:
     108: #if defined(PRUREQUESTS) && defined(SUPERVISOR)
     109: char *prurequests[] = {
     110:     "ATTACH",   "DETACH",   "BIND",     "LISTEN",
     111:     "CONNECT",  "ACCEPT",   "DISCONNECT",   "SHUTDOWN",
     112:     "RCVD",     "SEND",     "ABORT",    "CONTROL",
     113:     "SENSE",    "RCVOOB",   "SENDOOB",  "SOCKADDR",
     114:     "PEERADDR", "CONNECT2", "FASTTIMO", "SLOWTIMO",
     115:     "PROTORCV", "PROTOSEND",
     116: };
     117: #endif
     118:
     119: /*
     120:  * The arguments to the ctlinput routine are
     121:  *	(*protosw[].pr_ctlinput)(cmd, sa, arg);
     122:  * where cmd is one of the commands below, sa is a pointer to a sockaddr,
     123:  * and arg is an optional caddr_t argument used within a protocol family.
     124:  */
     125: #define PRC_IFDOWN      0   /* interface transition */
     126: #define PRC_ROUTEDEAD       1   /* select new route if possible */
     127: #define PRC_QUENCH      4   /* some said to slow down */
     128: #define PRC_MSGSIZE     5   /* message size forced drop */
     129: #define PRC_HOSTDEAD        6   /* normally from IMP */
     130: #define PRC_HOSTUNREACH     7   /* ditto */
     131: #define PRC_UNREACH_NET     8   /* no route to network */
     132: #define PRC_UNREACH_HOST    9   /* no route to host */
     133: #define PRC_UNREACH_PROTOCOL    10  /* dst says bad protocol */
     134: #define PRC_UNREACH_PORT    11  /* bad port # */
     135: #define PRC_UNREACH_NEEDFRAG    12  /* IP_DF caused drop */
     136: #define PRC_UNREACH_SRCFAIL 13  /* source route failed */
     137: #define PRC_REDIRECT_NET    14  /* net routing redirect */
     138: #define PRC_REDIRECT_HOST   15  /* host routing redirect */
     139: #define PRC_REDIRECT_TOSNET 16  /* redirect for type of service & net */
     140: #define PRC_REDIRECT_TOSHOST    17  /* redirect for tos & host */
     141: #define PRC_TIMXCEED_INTRANS    18  /* packet lifetime expired in transit */
     142: #define PRC_TIMXCEED_REASS  19  /* lifetime expired on reass q */
     143: #define PRC_PARAMPROB       20  /* header incorrect */
     144:
     145: #define PRC_NCMDS       21
     146:
     147: #define PRC_IS_REDIRECT(cmd)    \
     148:     ((cmd) >= PRC_REDIRECT_NET && (cmd) <= PRC_REDIRECT_TOSHOST)
     149:
     150: #if defined(PRCREQUESTS) && defined(SUPERVISOR)
     151: char    *prcrequests[] = {
     152:     "IFDOWN", "ROUTEDEAD", "#2", "#3",
     153:     "QUENCH", "MSGSIZE", "HOSTDEAD", "HOSTUNREACH",
     154:     "NET-UNREACH", "HOST-UNREACH", "PROTO-UNREACH", "PORT-UNREACH",
     155:     "FRAG-UNREACH", "SRCFAIL-UNREACH", "NET-REDIRECT", "HOST-REDIRECT",
     156:     "TOSNET-REDIRECT", "TOSHOST-REDIRECT", "TX-INTRANS", "TX-REASS",
     157:     "PARAMPROB"
     158: };
     159: #endif
     160:
     161: /*
     162:  * The arguments to ctloutput are:
     163:  *	(*protosw[].pr_ctloutput)(req, so, level, optname, optval);
     164:  * req is one of the actions listed below, so is a (struct socket *),
     165:  * level is an indication of which protocol layer the option is intended.
     166:  * optname is a protocol dependent socket option request,
     167:  * optval is a pointer to a mbuf-chain pointer, for value-return results.
     168:  * The protocol is responsible for disposal of the mbuf chain *optval
     169:  * if supplied,
     170:  * the caller is responsible for any space held by *optval, when returned.
     171:  * A non-zero return from usrreq gives an
     172:  * UNIX error number which should be passed to higher level software.
     173:  */
     174: #define PRCO_GETOPT 0
     175: #define PRCO_SETOPT 1
     176:
     177: #define PRCO_NCMDS  2
     178:
     179: #if defined(PRCOREQUESTS) && defined(SUPERVISOR)
     180: char    *prcorequests[] = {
     181:     "GETOPT", "SETOPT",
     182: };
     183: #endif
     184:
     185: #if defined(KERNEL) && defined(INET) && defined(SUPERVISOR)
     186: extern  struct protosw *pffindproto(), *pffindtype();
     187: #endif

#### Defined variables

prcorequests defined in line 180; never used
prcrequests defined in line 151; never used
prurequests defined in line 109; used 5 times

- in /usr/src/sys/netinet/tcp_debug.c line 121
- in /usr/src/sys/netns/spp_debug.c line 56, 132
- in /usr/src/usr.sbin/trpt/trpt.c line 289
- in /usr/src/usr.sbin/trsp/trsp.c line 299

#### Defined struct's

protosw defined in line 37; used 72 times

- in line 186(2)
- in /usr/src/new/crash/dispnet.c line 291(2), 520(2), 552(2)
- in /usr/src/sys/h/socketvar.h line 27(2)
- in /usr/src/sys/netinet/in_proto.c line 55(2), 103(2), 124(2)
- in /usr/src/sys/netinet/ip_input.c line 63(2)
- in /usr/src/sys/netns/ns_proto.c line 37(2)
- in /usr/src/sys/pdpif/if_de.c line 92(2), 625(2), 759(2), 1069(2)
- in /usr/src/sys/sys/uipc_domain.c line 33(2), 61-66(4), 79-85(6), 99(2), 114(2), 146(2), 159(2), 171(2)
- in /usr/src/sys/sys/uipc_mbuf.c line 112(2)
- in /usr/src/sys/sys/uipc_proto.c line 29(2)
- in /usr/src/sys/sys/uipc_socket.c line 45(2), 433(2), 606(2), 621(2)
- in /usr/src/ucb/netstat/unix.c line 36(2)
- in /usr/src/usr.bin/fstat/fstat.c line 419(2), 442-447(6)

#### Defined macros

PRCO_GETOPT defined in line 174; used 1 times

- in /usr/src/sys/sys/uipc_socket.c line 740

PRCO_NCMDS defined in line 177; never used
PRCO_SETOPT defined in line 175; used 3 times

- in /usr/src/sys/netinet/ip_output.c line 382
- in /usr/src/sys/netinet/raw_ip.c line 173
- in /usr/src/sys/sys/uipc_socket.c line 653

PRC_HOSTDEAD defined in line 129; used 2 times

- in /usr/src/sys/netinet/in_pcb.c line 304-308(2)

PRC_HOSTUNREACH defined in line 130; never used
PRC_IFDOWN defined in line 125; used 1 times

- in /usr/src/sys/net/if.c line 183

PRC_IS_REDIRECT defined in line 147; used 1 times

- in /usr/src/sys/netinet/in_pcb.c line 304

PRC_MSGSIZE defined in line 128; used 1 times

- in /usr/src/sys/netns/ns_error.c line 215

PRC_NCMDS defined in line 145; used 9 times

- in /usr/src/sys/net/raw_usrreq.c line 152
- in /usr/src/sys/netinet/in_pcb.c line 291
- in /usr/src/sys/netinet/ip_input.c line 829
- in /usr/src/sys/netinet/tcp_subr.c line 300
- in /usr/src/sys/netinet/udp_usrreq.c line 183
- in /usr/src/sys/netns/ns_input.c line 221, 242
- in /usr/src/sys/netns/ns_ip.c line 386
- in /usr/src/sys/netns/spp_usrreq.c line 533

PRC_PARAMPROB defined in line 143; used 2 times

- in /usr/src/sys/netinet/ip_icmp.c line 208
- in /usr/src/sys/netns/ns_error.c line 230

PRC_QUENCH defined in line 127; used 3 times

- in /usr/src/sys/netinet/ip_icmp.c line 214
- in /usr/src/sys/netinet/tcp_subr.c line 298
- in /usr/src/sys/netns/ns_error.c line 219

PRC_REDIRECT_HOST defined in line 138; used 1 times

- in /usr/src/sys/netinet/ip_icmp.c line 324

PRC_REDIRECT_NET defined in line 137; used 2 times

- in line 148
- in /usr/src/sys/netinet/ip_icmp.c line 317

PRC_REDIRECT_TOSHOST defined in line 140; used 1 times

- in line 148

PRC_REDIRECT_TOSNET defined in line 139; never used
PRC_ROUTEDEAD defined in line 126; never used
PRC_TIMXCEED_INTRANS defined in line 141; used 2 times

- in /usr/src/sys/netinet/ip_icmp.c line 202
- in /usr/src/sys/netns/ns_error.c line 211

PRC_TIMXCEED_REASS defined in line 142; never used
PRC_UNREACH_HOST defined in line 132; never used
PRC_UNREACH_NEEDFRAG defined in line 135; never used
PRC_UNREACH_NET defined in line 131; used 2 times

- in /usr/src/sys/netinet/ip_icmp.c line 196
- in /usr/src/sys/netns/ns_error.c line 207

PRC_UNREACH_PORT defined in line 134; used 1 times

- in /usr/src/sys/netns/ns_error.c line 223

PRC_UNREACH_PROTOCOL defined in line 133; never used
PRC_UNREACH_SRCFAIL defined in line 136; never used
PRU_ABORT defined in line 92; used 1 times

- in /usr/src/sys/sys/uipc_socket.c line 191

PRU_ACCEPT defined in line 87; used 1 times

- in /usr/src/sys/sys/uipc_socket.c line 205

PRU_ATTACH defined in line 82; used 9 times

- in /usr/src/sys/net/raw_usrreq.c line 172
- in /usr/src/sys/netinet/tcp_usrreq.c line 82
- in /usr/src/sys/netinet/udp_usrreq.c line 299
- in /usr/src/sys/netns/idp_usrreq.c line 375
- in /usr/src/sys/netns/spp_usrreq.c line 1196, 1425
- in /usr/src/sys/sys/uipc_socket.c line 67
- in /usr/src/sys/sys/uipc_socket2.c line 139
- in /usr/src/sys/sys/uipc_usrreq.c line 52

PRU_BIND defined in line 84; used 1 times

- in /usr/src/sys/sys/uipc_socket.c line 86

PRU_CONNECT defined in line 86; used 1 times

- in /usr/src/sys/sys/uipc_socket.c line 238

PRU_CONNECT2 defined in line 99; used 1 times

- in /usr/src/sys/sys/uipc_socket.c line 263

PRU_CONTROL defined in line 93; used 9 times

- in /usr/src/sys/net/if.c line 315
- in /usr/src/sys/net/raw_usrreq.c line 166
- in /usr/src/sys/netinet/tcp_usrreq.c line 65-69(2)
- in /usr/src/sys/netinet/udp_usrreq.c line 292
- in /usr/src/sys/netns/idp_usrreq.c line 368
- in /usr/src/sys/netns/spp_usrreq.c line 1188
- in /usr/src/sys/sys/sys_socket.c line 80
- in /usr/src/sys/sys/uipc_usrreq.c line 46

PRU_DETACH defined in line 83; used 1 times

- in /usr/src/sys/sys/uipc_socket.c line 169

PRU_DISCONNECT defined in line 88; used 1 times

- in /usr/src/sys/sys/uipc_socket.c line 283

PRU_FASTTIMO defined in line 101; used 1 times

- in /usr/src/usr.sbin/trpt/trpt.c line 290

PRU_LISTEN defined in line 85; used 1 times

- in /usr/src/sys/sys/uipc_socket.c line 99

PRU_NREQ defined in line 106; never used
PRU_PEERADDR defined in line 98; used 1 times

- in /usr/src/sys/sys/uipc_socket.c line 907

PRU_PROTORCV defined in line 103; never used
PRU_PROTOSEND defined in line 104; never used
PRU_RCVD defined in line 90; used 1 times

- in /usr/src/sys/sys/uipc_socket.c line 590

PRU_RCVOOB defined in line 95; used 1 times

- in /usr/src/sys/sys/uipc_socket.c line 443

PRU_SEND defined in line 91; used 2 times

- in /usr/src/sys/sys/uipc_socket.c line 390
- in /usr/src/sys/sys/uipc_usrreq.c line 48

PRU_SENDOOB defined in line 96; used 1 times

- in /usr/src/sys/sys/uipc_socket.c line 390

PRU_SENSE defined in line 94; used 1 times

- in /usr/src/sys/sys/sys_socket.c line 128

PRU_SHUTDOWN defined in line 89; used 1 times

- in /usr/src/sys/sys/uipc_socket.c line 612

PRU_SLOWTIMO defined in line 102; used 6 times

- in /usr/src/sys/netinet/tcp_debug.c line 122
- in /usr/src/sys/netinet/tcp_timer.c line 94
- in /usr/src/sys/netns/spp_debug.c line 133
- in /usr/src/sys/netns/spp_usrreq.c line 1592
- in /usr/src/usr.sbin/trpt/trpt.c line 290
- in /usr/src/usr.sbin/trsp/trsp.c line 300

PRU_SOCKADDR defined in line 97; used 1 times

- in /usr/src/sys/sys/uipc_socket.c line 897

PR_ADDR defined in line 64; used 12 times

- in /usr/src/sys/netinet/in_proto.c line 61, 71-76(2), 82, 89, 104, 125
- in /usr/src/sys/netns/ns_proto.c line 43, 58-63(2)
- in /usr/src/sys/sys/uipc_proto.c line 35
- in /usr/src/sys/sys/uipc_socket.c line 494

PR_ATOMIC defined in line 63; used 15 times

- in /usr/src/sys/h/socketvar.h line 102
- in /usr/src/sys/netinet/in_proto.c line 61, 71-76(2), 82, 89, 104, 125
- in /usr/src/sys/netns/ns_proto.c line 43, 53-63(3)
- in /usr/src/sys/sys/uipc_proto.c line 35
- in /usr/src/sys/sys/uipc_socket.c line 315, 587

PR_CONNREQUIRED defined in line 66; used 10 times

- in /usr/src/sys/h/socketvar.h line 113
- in /usr/src/sys/netinet/in_pcb.c line 67
- in /usr/src/sys/netinet/in_proto.c line 66
- in /usr/src/sys/netns/ns_proto.c line 48-53(2)
- in /usr/src/sys/sys/uipc_proto.c line 30
- in /usr/src/sys/sys/uipc_socket.c line 234, 334, 474
- in /usr/src/sys/sys/uipc_usrreq.c line 370

PR_FASTHZ defined in line 58; used 1 times

- in /usr/src/sys/sys/uipc_domain.c line 177

PR_RIGHTS defined in line 68; used 5 times

- in /usr/src/sys/sys/uipc_proto.c line 30-35(2)
- in /usr/src/sys/sys/uipc_socket.c line 517, 632
- in /usr/src/sys/sys/uipc_usrreq.c line 586

PR_SLOWHZ defined in line 57; used 3 times

- in /usr/src/sys/netinet/tcp_timer.c line 106
- in /usr/src/sys/netns/spp_usrreq.c line 1604
- in /usr/src/sys/sys/uipc_domain.c line 165

PR_WANTRCVD defined in line 67; used 5 times

- in /usr/src/sys/netinet/in_proto.c line 66
- in /usr/src/sys/netns/ns_proto.c line 48-53(2)
- in /usr/src/sys/sys/uipc_proto.c line 30
- in /usr/src/sys/sys/uipc_socket.c line 589

#### Usage of this include

protosw.h used 68 times

- in /usr/src/new/crash/dispnet.c line 18
- in /usr/src/new/crash/inet.c line 15
- in /usr/src/new/kermit5.188/ckcnet.h line 99
- in /usr/src/sbin/routed/tools/query.c line 12
- in /usr/src/sbin/routed/tools/trace.c line 18
- in /usr/src/sys/net/af.c line 17
- in /usr/src/sys/net/if.c line 20
- in /usr/src/sys/net/if_loop.c line 27
- in /usr/src/sys/net/if_sl.c line 46
- in /usr/src/sys/net/raw_cb.c line 21
- in /usr/src/sys/net/raw_usrreq.c line 18
- in /usr/src/sys/net/route.c line 18
- in /usr/src/sys/netimp/if_imp.c line 22
- in /usr/src/sys/netimp/if_imphost.c line 22
- in /usr/src/sys/netimp/raw_imp.c line 15
- in /usr/src/sys/netinet/if_ether.c line 37
- in /usr/src/sys/netinet/in.c line 19
- in /usr/src/sys/netinet/in_pcb.c line 23
- in /usr/src/sys/netinet/in_proto.c line 17
- in /usr/src/sys/netinet/ip_icmp.c line 18
- in /usr/src/sys/netinet/ip_input.c line 19
- in /usr/src/sys/netinet/ip_output.c line 18
- in /usr/src/sys/netinet/raw_ip.c line 18
- in /usr/src/sys/netinet/tcp_debug.c line 27
- in /usr/src/sys/netinet/tcp_input.c line 18
- in /usr/src/sys/netinet/tcp_output.c line 18
- in /usr/src/sys/netinet/tcp_subr.c line 20
- in /usr/src/sys/netinet/tcp_timer.c line 20
- in /usr/src/sys/netinet/tcp_usrreq.c line 20
- in /usr/src/sys/netinet/udp_usrreq.c line 18
- in /usr/src/sys/netns/idp_usrreq.c line 19
- in /usr/src/sys/netns/ns.c line 19
- in /usr/src/sys/netns/ns_error.c line 19
- in /usr/src/sys/netns/ns_input.c line 20
- in /usr/src/sys/netns/ns_ip.c line 27
- in /usr/src/sys/netns/ns_pcb.c line 24
- in /usr/src/sys/netns/ns_proto.c line 18
- in /usr/src/sys/netns/spp_debug.c line 21
- in /usr/src/sys/netns/spp_usrreq.c line 20
- in /usr/src/sys/pdp/in_cksum.c line 13
- in /usr/src/sys/pdpif/if_acc.c line 24
- in /usr/src/sys/pdpif/if_css.c line 44
- in /usr/src/sys/pdpif/if_de.c line 24
- in /usr/src/sys/pdpif/if_dmc.c line 28
- in /usr/src/sys/pdpif/if_ec.c line 55
- in /usr/src/sys/pdpif/if_en.c line 21
- in /usr/src/sys/pdpif/if_il.c line 36
- in /usr/src/sys/pdpif/if_qe.c line 116
- in /usr/src/sys/pdpif/if_qt.c line 63
- in /usr/src/sys/pdpif/if_sri.c line 21
- in /usr/src/sys/pdpif/if_uba.c line 19
- in /usr/src/sys/pdpif/if_vv.c line 51
- in /usr/src/sys/sys/sys_socket.c line 21
- in /usr/src/sys/sys/uipc_domain.c line 18
- in /usr/src/sys/sys/uipc_mbuf.c line 15
- in /usr/src/sys/sys/uipc_proto.c line 17
- in /usr/src/sys/sys/uipc_socket.c line 22
- in /usr/src/sys/sys/uipc_socket2.c line 23
- in /usr/src/sys/sys/uipc_syscalls.c line 21
- in /usr/src/sys/sys/uipc_usrreq.c line 13
- in /usr/src/ucb/PORT/systat/netcmds.c line 20
- in /usr/src/ucb/PORT/systat/netstat.c line 19
- in /usr/src/ucb/netstat/inet.c line 24
- in /usr/src/ucb/netstat/ns.c line 25
- in /usr/src/ucb/netstat/unix.c line 21
- in /usr/src/usr.bin/fstat/fstat.c line 33
- in /usr/src/usr.sbin/trpt/trpt.c line 22
- in /usr/src/usr.sbin/trsp/trsp.c line 21

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