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Bug #216 » 0002-batman-adv-DEBUG-track-CRC-changes.patch

Simon Wunderlich, 06/11/2015 06:48 PM

View differences:

bridge_loop_avoidance.c
struct hlist_node *node_tmp;
struct hlist_head *head;
struct batadv_bla_claim *claim;
struct batadv_priv *bat_priv;
int i;
spinlock_t *list_lock; /* protects write access to the hash lists */
......
spin_unlock_bh(list_lock);
}
bat_priv = backbone_gw->bat_priv;
/* all claims gone, intialize CRC */
batadv_dbg(BATADV_DBG_BLA, bat_priv,
"%s: initialize crc for %pM (was: %04x, change to: %04x)\n",
__func__, backbone_gw->orig, backbone_gw->crc, BATADV_BLA_CRC_INIT);
spin_lock_bh(&backbone_gw->crc_lock);
backbone_gw->crc = BATADV_BLA_CRC_INIT;
spin_unlock_bh(&backbone_gw->crc_lock);
}
/**
......
"bla_add_claim(): changing ownership for %pM, vid %d\n",
mac, BATADV_PRINT_VID(vid));
batadv_dbg(BATADV_DBG_BLA, bat_priv,
"%s: change crc for %pM (was: %04x, change to: %04x)\n",
__func__, claim->backbone_gw->orig, claim->backbone_gw->crc,
claim->backbone_gw->crc ^ crc16(0, claim->addr, ETH_ALEN));
spin_lock_bh(&claim->backbone_gw->crc_lock);
claim->backbone_gw->crc ^= crc16(0, claim->addr, ETH_ALEN);
spin_unlock_bh(&claim->backbone_gw->crc_lock);
......
atomic_inc(&backbone_gw->refcount);
claim->backbone_gw = backbone_gw;
batadv_dbg(BATADV_DBG_BLA, bat_priv,
"%s: change crc for %pM (was: %04x, change to: %04x)\n",
__func__, backbone_gw->orig, backbone_gw->crc,
backbone_gw->crc ^ crc16(0, claim->addr, ETH_ALEN));
spin_lock_bh(&backbone_gw->crc_lock);
backbone_gw->crc ^= crc16(0, claim->addr, ETH_ALEN);
spin_unlock_bh(&backbone_gw->crc_lock);
......
batadv_choose_claim, claim);
batadv_claim_free_ref(claim); /* reference from the hash is gone */
batadv_dbg(BATADV_DBG_BLA, bat_priv,
"%s: change crc for %pM (was: %04x, change to: %04x)\n",
__func__, claim->backbone_gw->orig, claim->backbone_gw->crc,
claim->backbone_gw->crc ^ crc16(0, claim->addr, ETH_ALEN));
spin_lock_bh(&claim->backbone_gw->crc_lock);
claim->backbone_gw->crc ^= crc16(0, claim->addr, ETH_ALEN);
spin_unlock_bh(&claim->backbone_gw->crc_lock);
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