XXXX adding PID information to netstat output

*** 44,53 ****
--- 44,54 ----
  
  #include <sys/types.h>
  #include <sys/stream.h>
  #include <sys/t_lock.h>
  #include <sys/cred.h>
+ #include <sys/pidnode.h>
  #include <sys/vnode.h>
  #include <sys/file.h>
  #include <sys/param.h>
  #include <sys/zone.h>
  #include <sys/sdt.h>
*** 242,251 ****
--- 243,256 ----
          uint_t                  so_filter_active;       /* # of active fil */
          uint_t                  so_filter_tx;           /* pending tx ops */
          struct sof_instance     *so_filter_top;         /* top of stack */
          struct sof_instance     *so_filter_bottom;      /* bottom of stack */
          clock_t                 so_filter_defertime;    /* time when deferred */
+ 
+         /* pid tree */
+         avl_tree_t              so_pid_tree;
+         kmutex_t                so_pid_tree_lock;
  };
  
  #define SO_HAVE_DATA(so)                                                \
          /*                                                              \
           * For the (tid == 0) case we must check so_rcv_{q_,}head       \
*** 949,960 ****
  #endif
  
  /*
   * Internal structure for obtaining sonode information from the socklist.
   * These types match those corresponding in the sonode structure.
!  * This is not a published interface, and may change at any time.
   */
  struct sockinfo {
          uint_t          si_size;                /* real length of this struct */
          short           si_family;
          short           si_type;
          ushort_t        si_flag;
--- 954,971 ----
  #endif
  
  /*
   * Internal structure for obtaining sonode information from the socklist.
   * These types match those corresponding in the sonode structure.
!  * This is not a published interface, and may change at any time. It is
!  * used for passing information back up to the kstat consumers. By converting
!  * kernel addresses to strings, we should be able to pass information from
!  * the kernel to userland regardless of n-bit kernel we are using.
   */
+ 
+ #define ADRSTRLEN (2 * sizeof (uint64_t) + 1)
+ 
  struct sockinfo {
          uint_t          si_size;                /* real length of this struct */
          short           si_family;
          short           si_type;
          ushort_t        si_flag;
*** 968,977 ****
--- 979,993 ----
          uint16_t        si_faddr_family;
          char            si_laddr_sun_path[MAXPATHLEN + 1]; /* NULL terminated */
          char            si_faddr_sun_path[MAXPATHLEN + 1];
          boolean_t       si_faddr_noxlate;
          zoneid_t        si_szoneid;
+         char            si_son_straddr[ADRSTRLEN];
+         char            si_lvn_straddr[ADRSTRLEN];
+         char            si_fvn_straddr[ADRSTRLEN];
+         uint_t          si_pn_cnt;
+         pid_t           si_pids[1];
  };
  
  /*
   * Subcodes for sockconf() system call
   */