src/patches/suse-2.6.27.25/patches.arch/s390-11-03-qeth_recovery_drop_mac.patch

   1 From: Gerald Schaefer <geraldsc@de.ibm.com>
   2 Subject: qeth: unregister MAC addresses during recovery.
   3 References: bnc#484767,LTC#52200
   4
   5 Symptom: After thousands of recovery cycles no more MAC addresses are
   6 registered at z/VM GuestLAN adapter.
   7 Problem: MAC address table of GuestLAN adapter full.
   8 Solution: Unregister MAC addresses from device (layer 2) during
   9 recovery cycle. When the device is set online the MAC
  10 addresses are registered again on the device.
  11
  12 Acked-by: John Jolly <jjolly@suse.de>
  13 ---
  14 Index: linux-sles11/drivers/s390/net/qeth_l2_main.c
  15 ===================================================================
  16 --- linux-sles11.orig/drivers/s390/net/qeth_l2_main.c
  17 +++ linux-sles11/drivers/s390/net/qeth_l2_main.c
  18 @@ -388,7 +388,8 @@ static int qeth_l2_stop_card(struct qeth
  19                         dev_close(card->dev);
  20                         rtnl_unlock();
  21                 }
  22 -               if (!card->use_hard_stop) {
  23 +               if (!card->use_hard_stop ||
  24 +                   recovery_mode) {
  25                         __u8 *mac = &card->dev->dev_addr[0];
  26                         rc = qeth_l2_send_delmac(card, mac);
  27                         QETH_DBF_TEXT_(SETUP, 2, "Lerr%d", rc);
  28 @@ -397,7 +398,8 @@ static int qeth_l2_stop_card(struct qeth
  29         }
  30         if (card->state == CARD_STATE_SOFTSETUP) {
  31                 qeth_l2_process_vlans(card, 1);
  32 -               if (!card->use_hard_stop)
  33 +               if (!card->use_hard_stop ||
  34 +                   recovery_mode)
  35                         qeth_l2_del_all_mc(card);
  36                 qeth_clear_ipacmd_list(card);
  37                 card->state = CARD_STATE_HARDSETUP;