6274 MAC tries to use aggr rings from downed links
Reviewed by: Bryan Cantrill <bryan@joyent.com>
Reviewed by: Patrick Mooney <patrick.mooney@joyent.com>
Reviewed by: Dan McDonald <danmcd@omniti.com>
Approved by: Richard Lowe <richlowe@richlowe.net>

*** 134,143 ****
--- 134,144 ----
  extern mblk_t *mac_hwring_poll(mac_ring_handle_t, int);
  extern mblk_t *mac_hwring_tx(mac_ring_handle_t, mblk_t *);
  extern int mac_hwring_getstat(mac_ring_handle_t, uint_t, uint64_t *);
  extern mblk_t *mac_hwring_send_priv(mac_client_handle_t,
      mac_ring_handle_t, mblk_t *);
+ extern void mac_hwring_set_default(mac_handle_t, mac_ring_handle_t);
  
  #define MAC_HWRING_POLL(ring, bytes)                    \
          (((ring)->mr_info.mri_poll)                     \
          ((ring)->mr_info.mri_driver, (bytes)))