More stats to SIOCIPFCFWCFG and add SIOCIPFCFWNEWSZ to affect ring-buffer size.

*** 114,124 ****
  #endif
  #define SIOCADDFR       SIOCADAFR
  #define SIOCDELFR       SIOCRMAFR
  #define SIOCINSFR       SIOCINAFR
  # define        SIOCIPFZONESET  _IOWR('r', 97, struct ipfzoneobj)
! # define        SIOCIPFCFWCFG   _IOWR('r', 98, struct ipfcfwcfg)
  
  /*
   * What type of table is getting flushed?
   */
  
--- 114,125 ----
  #endif
  #define SIOCADDFR       SIOCADAFR
  #define SIOCDELFR       SIOCRMAFR
  #define SIOCINSFR       SIOCINAFR
  # define        SIOCIPFZONESET  _IOWR('r', 97, struct ipfzoneobj)
! # define        SIOCIPFCFWCFG   _IOR('r', 98, struct ipfcfwcfg)
! # define        SIOCIPFCFWNEWSZ _IOWR('r', 99, struct ipfcfwcfg)
  
  /*
   * What type of table is getting flushed?
   */
  
*** 1187,1198 ****
--- 1188,1208 ----
          char            ipfz_zonename[ZONENAME_MAX];    /* zone to act on */
  } ipfzoneobj_t;
  
  /* ioctl to grab CFW logging parameters */
  typedef struct ipfcfwcfg {
+         /* CFG => Max event size, NEWSZ => ignored in, like CFG out. */
          uint32_t ipfcfwc_maxevsize;
+         /*
+          * CFG => Current ring size,
+          * NEWSZ => New ring size, must be 2^N for 10 <= N <= 31.
+          */
          uint32_t ipfcfwc_evringsize;
+         /* CFG => Number of event reports, NEWSZ => ignored in, like CFG out. */
+         uint64_t ipfcfwc_evreports;
+         /* CFG => Number of event drops, NEWSZ => ignored in, like CFG out. */
+         uint64_t ipfcfwc_evdrops;
  } ipfcfwcfg_t;
  
  #if defined(_KERNEL)
  /* Set ipfs_zoneid to this if no zone has been set: */
  #define IPFS_ZONE_UNSET -2
*** 1585,1594 ****
--- 1595,1607 ----
  typedef uint_t (*cfwmanycb_t) __P((struct cfwev_s *, uint_t, void *));
  extern uint_t
          ipf_cfwev_consume_many __P((uint_t, boolean_t, cfwmanycb_t, void *));
  extern int ipf_cfwlog_read __P((dev_t, struct uio *, struct cred *));
  extern int ipf_cfwlog_ioctl __P((dev_t, int, intptr_t, int, cred_t *, int *));
+ #define IPF_CFW_RING_ALLOCATE 0
+ #define IPF_CFW_RING_DESTROY 1
+ extern int ipf_cfw_ring_resize(uint32_t);
  
  extern  frentry_t       *fr_acctpkt __P((fr_info_t *, u_32_t *));
  extern  int             fr_copytolog __P((int, char *, int));
  extern  u_short         fr_cksum __P((mb_t *, ip_t *, int, void *));
  extern  void            fr_deinitialise __P((ipf_stack_t *));