19  * CDDL HEADER END
  20  */
  21 
  22 /*
  23  * Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.
  24  */
  25 
  26 #include <sys/types.h>
  27 #include <sys/tihdr.h>
  28 #include <sys/policy.h>
  29 #include <sys/tsol/tnet.h>
  30 
  31 #include <inet/common.h>
  32 #include <inet/ip.h>
  33 #include <inet/tcp.h>
  34 #include <inet/tcp_impl.h>
  35 #include <inet/tcp_stats.h>
  36 #include <inet/kstatcom.h>
  37 #include <inet/snmpcom.h>
  38 
  39 static int      tcp_kstat_update(kstat_t *kp, int rw);
  40 static int      tcp_kstat2_update(kstat_t *kp, int rw);

  41 static void     tcp_sum_mib(tcp_stack_t *, mib2_tcp_t *);
  42 
  43 static void     tcp_add_mib(mib2_tcp_t *, mib2_tcp_t *);
  44 static void     tcp_add_stats(tcp_stat_counter_t *, tcp_stat_t *);
  45 static void     tcp_clr_stats(tcp_stat_t *);
  46 
  47 tcp_g_stat_t    tcp_g_statistics;
  48 kstat_t         *tcp_g_kstat;
  49 
  50 /* Translate TCP state to MIB2 TCP state. */
  51 static int
  52 tcp_snmp_state(tcp_t *tcp)
  53 {
  54         if (tcp == NULL)
  55                 return (0);
  56 
  57         switch (tcp->tcp_state) {
  58         case TCPS_CLOSED:
  59         case TCPS_IDLE: /* RFC1213 doesn't have analogue for IDLE & BOUND */
  60         case TCPS_BOUND:

  19  * CDDL HEADER END
  20  */
  21 
  22 /*
  23  * Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.
  24  */
  25 
  26 #include <sys/types.h>
  27 #include <sys/tihdr.h>
  28 #include <sys/policy.h>
  29 #include <sys/tsol/tnet.h>
  30 
  31 #include <inet/common.h>
  32 #include <inet/ip.h>
  33 #include <inet/tcp.h>
  34 #include <inet/tcp_impl.h>
  35 #include <inet/tcp_stats.h>
  36 #include <inet/kstatcom.h>
  37 #include <inet/snmpcom.h>
  38 
  39 static int      tcp_snmp_state(tcp_t *);
  40 static int      tcp_kstat_update(kstat_t *, int);
  41 static int      tcp_kstat2_update(kstat_t *, int);
  42 static void     tcp_sum_mib(tcp_stack_t *, mib2_tcp_t *);
  43 
  44 static void     tcp_add_mib(mib2_tcp_t *, mib2_tcp_t *);
  45 static void     tcp_add_stats(tcp_stat_counter_t *, tcp_stat_t *);
  46 static void     tcp_clr_stats(tcp_stat_t *);
  47 
  48 tcp_g_stat_t    tcp_g_statistics;
  49 kstat_t         *tcp_g_kstat;
  50 
  51 /* Translate TCP state to MIB2 TCP state. */
  52 static int
  53 tcp_snmp_state(tcp_t *tcp)
  54 {
  55         if (tcp == NULL)
  56                 return (0);
  57 
  58         switch (tcp->tcp_state) {
  59         case TCPS_CLOSED:
  60         case TCPS_IDLE: /* RFC1213 doesn't have analogue for IDLE & BOUND */
  61         case TCPS_BOUND: