57 #include <sys/conf.h>
  58 #include <sys/modctl.h>
  59 
  60 static struct streamtab timinfo;
  61 
  62 static struct fmodsw fsw = {
  63         "timod",
  64         &timinfo,
  65         D_MTQPAIR | D_MP,
  66 };
  67 
  68 /*
  69  * Module linkage information for the kernel.
  70  */
  71 
  72 static struct modlstrmod modlstrmod = {
  73         &mod_strmodops, "transport interface str mod", &fsw
  74 };
  75 
  76 static struct modlinkage modlinkage = {
  77         MODREV_1, &modlstrmod, NULL
  78 };
  79 
  80 static krwlock_t        tim_list_rwlock;
  81 
  82 /*
  83  * This module keeps track of capabilities of underlying transport. Information
  84  * is persistent through module invocations (open/close). Currently it remembers
  85  * whether underlying transport supports TI_GET{MY,PEER}NAME ioctls and
  86  * T_CAPABILITY_REQ message. This module either passes ioctl/messages to the
  87  * transport or emulates it when transport doesn't understand these
  88  * ioctl/messages.
  89  *
  90  * It is assumed that transport supports T_CAPABILITY_REQ when timod receives
  91  * T_CAPABILITY_ACK from the transport. There is no current standard describing
  92  * transport behaviour when it receives unknown message type, so following
  93  * reactions are expected and handled:
  94  *
  95  * 1) Transport drops unknown T_CAPABILITY_REQ message type. In this case timod
  96  *    will wait for tcap_wait time and assume that transport doesn't provide
  97  *    this message type. T_CAPABILITY_REQ should never travel over the wire, so

  57 #include <sys/conf.h>
  58 #include <sys/modctl.h>
  59 
  60 static struct streamtab timinfo;
  61 
  62 static struct fmodsw fsw = {
  63         "timod",
  64         &timinfo,
  65         D_MTQPAIR | D_MP,
  66 };
  67 
  68 /*
  69  * Module linkage information for the kernel.
  70  */
  71 
  72 static struct modlstrmod modlstrmod = {
  73         &mod_strmodops, "transport interface str mod", &fsw
  74 };
  75 
  76 static struct modlinkage modlinkage = {
  77         MODREV_1, { &modlstrmod, NULL }
  78 };
  79 
  80 static krwlock_t        tim_list_rwlock;
  81 
  82 /*
  83  * This module keeps track of capabilities of underlying transport. Information
  84  * is persistent through module invocations (open/close). Currently it remembers
  85  * whether underlying transport supports TI_GET{MY,PEER}NAME ioctls and
  86  * T_CAPABILITY_REQ message. This module either passes ioctl/messages to the
  87  * transport or emulates it when transport doesn't understand these
  88  * ioctl/messages.
  89  *
  90  * It is assumed that transport supports T_CAPABILITY_REQ when timod receives
  91  * T_CAPABILITY_ACK from the transport. There is no current standard describing
  92  * transport behaviour when it receives unknown message type, so following
  93  * reactions are expected and handled:
  94  *
  95  * 1) Transport drops unknown T_CAPABILITY_REQ message type. In this case timod
  96  *    will wait for tcap_wait time and assume that transport doesn't provide
  97  *    this message type. T_CAPABILITY_REQ should never travel over the wire, so