XXXX adding PID information to netstat output

*** 29,38 ****
--- 29,39 ----
  #include <sys/param.h>
  #include <sys/systm.h>
  #include <sys/buf.h>
  #include <sys/vfs.h>
  #include <sys/vnode.h>
+ #include <sys/fcntl.h>
  #include <sys/debug.h>
  #include <sys/errno.h>
  #include <sys/stropts.h>
  #include <sys/cmn_err.h>
  #include <sys/sysmacros.h>
*** 105,114 ****
--- 106,116 ----
  static ssize_t sctp_assoc_recv(sock_upper_handle_t, mblk_t *, size_t, int,
      int *, boolean_t *);
  static void sctp_assoc_xmitted(sock_upper_handle_t, boolean_t);
  static void sctp_assoc_properties(sock_upper_handle_t,
      struct sock_proto_props *);
+ static mblk_t *sctp_get_sock_pid_mblk(sock_upper_handle_t);
  
  sonodeops_t sosctp_sonodeops = {
          sosctp_init,                    /* sop_init     */
          sosctp_accept,                  /* sop_accept   */
          sosctp_bind,                    /* sop_bind     */
*** 167,176 ****
--- 169,181 ----
          sctp_assoc_recv,
          sctp_assoc_properties,
          sctp_assoc_xmitted,
          NULL,                   /* su_recv_space */
          NULL,                   /* su_signal_oob */
+         NULL,                   /* su_set_error */
+         NULL,                   /* su_closed */
+         sctp_get_sock_pid_mblk
  };
  
  /* ARGSUSED */
  static int
  sosctp_init(struct sonode *so, struct sonode *pso, struct cred *cr, int flags)
*** 1771,1780 ****
--- 1776,1792 ----
                   */
                  nfp->f_vnode = nvp;
                  mutex_exit(&nfp->f_tlock);
                  setf(nfd, nfp);
  
+                 /* Add pid to the list associated with that socket. */
+                 if (nfp->f_vnode != NULL) {
+                         (void) VOP_IOCTL(nfp->f_vnode, F_ASSOCI_PID,
+                             (intptr_t)curproc->p_pidp->pid_id, FKIOCTL, kcred,
+                             NULL, NULL);
+                 }
+ 
                  mutex_enter(&so->so_lock);
  
                  sosctp_assoc_move(ss, SOTOSSO(nso), ssa);
  
                  mutex_exit(&nso->so_lock);
*** 2228,2232 ****
--- 2240,2258 ----
                          }
                  }
          }
          mutex_exit(&so->so_lock);
  }
+ 
+ static mblk_t *
+ sctp_get_sock_pid_mblk(sock_upper_handle_t handle)
+ {
+         struct sctp_soassoc *ssa = (struct sctp_soassoc *)handle;
+         struct sonode *so;
+ 
+         if (ssa->ssa_type == SOSCTP_ASSOC)
+                 so = &ssa->ssa_sonode->ss_so;
+         else
+                 so = &((struct sctp_sonode *)handle)->ss_so;
+ 
+         return (so_get_sock_pid_mblk((sock_upper_handle_t)so));
+ }