Lines Matching full:claim
61 * batadv_choose_claim() - choose the right bucket for a claim.
65 * Return: the hash index of the claim
69 struct batadv_bla_claim *claim = (struct batadv_bla_claim *)data; in batadv_choose_claim() local
72 hash = jhash(&claim->addr, sizeof(claim->addr), hash); in batadv_choose_claim()
73 hash = jhash(&claim->vid, sizeof(claim->vid), hash); in batadv_choose_claim()
126 * Return: true if the claim have the same data, 0 otherwise
174 * batadv_claim_release() - release claim from lists and queue for free after
176 * @ref: kref pointer of the claim
180 struct batadv_bla_claim *claim; in batadv_claim_release() local
183 claim = container_of(ref, struct batadv_bla_claim, refcount); in batadv_claim_release()
185 spin_lock_bh(&claim->backbone_lock); in batadv_claim_release()
186 old_backbone_gw = claim->backbone_gw; in batadv_claim_release()
187 claim->backbone_gw = NULL; in batadv_claim_release()
188 spin_unlock_bh(&claim->backbone_lock); in batadv_claim_release()
191 old_backbone_gw->crc ^= crc16(0, claim->addr, ETH_ALEN); in batadv_claim_release()
196 kfree_rcu(claim, rcu); in batadv_claim_release()
200 * batadv_claim_put() - decrement the claim refcounter and possibly release it
201 * @claim: claim to be free'd
203 static void batadv_claim_put(struct batadv_bla_claim *claim) in batadv_claim_put() argument
205 if (!claim) in batadv_claim_put()
208 kref_put(&claim->refcount, batadv_claim_release); in batadv_claim_put()
212 * batadv_claim_hash_find() - looks for a claim in the claim hash
216 * Return: claim if found or NULL otherwise.
224 struct batadv_bla_claim *claim; in batadv_claim_hash_find() local
235 hlist_for_each_entry_rcu(claim, head, hash_entry) { in batadv_claim_hash_find()
236 if (!batadv_compare_claim(&claim->hash_entry, data)) in batadv_claim_hash_find()
239 if (!kref_get_unless_zero(&claim->refcount)) in batadv_claim_hash_find()
242 claim_tmp = claim; in batadv_claim_hash_find()
304 struct batadv_bla_claim *claim; in batadv_bla_del_backbone_claims() local
317 hlist_for_each_entry_safe(claim, node_tmp, in batadv_bla_del_backbone_claims()
319 if (claim->backbone_gw != backbone_gw) in batadv_bla_del_backbone_claims()
322 batadv_claim_put(claim); in batadv_bla_del_backbone_claims()
323 hlist_del_rcu(&claim->hash_entry); in batadv_bla_del_backbone_claims()
335 * batadv_bla_send_claim() - sends a claim frame according to the provided info
337 * @mac: the mac address to be announced within the claim
339 * @claimtype: the type of the claim (CLAIM, UNCLAIM, ANNOUNCE, ...)
373 * with XX = claim type in batadv_bla_send_claim()
387 /* normal claim frame in batadv_bla_send_claim()
392 "%s(): CLAIM %pM on vid %d\n", __func__, mac, in batadv_bla_send_claim()
601 struct batadv_bla_claim *claim; in batadv_bla_answer_request() local
606 "%s(): received a claim request, send all of our own claims again\n", in batadv_bla_answer_request()
620 hlist_for_each_entry_rcu(claim, head, hash_entry) { in batadv_bla_answer_request()
622 if (claim->backbone_gw != backbone_gw) in batadv_bla_answer_request()
625 batadv_bla_send_claim(bat_priv, claim->addr, claim->vid, in batadv_bla_answer_request()
642 * send an announcement claim with which we can check again.
685 * batadv_bla_add_claim() - Adds a claim in the claim hash
687 * @mac: the mac address of the claim
696 struct batadv_bla_claim *claim; in batadv_bla_add_claim() local
703 claim = batadv_claim_hash_find(bat_priv, &search_claim); in batadv_bla_add_claim()
705 /* create a new claim entry if it does not exist yet. */ in batadv_bla_add_claim()
706 if (!claim) { in batadv_bla_add_claim()
707 claim = kzalloc(sizeof(*claim), GFP_ATOMIC); in batadv_bla_add_claim()
708 if (!claim) in batadv_bla_add_claim()
711 ether_addr_copy(claim->addr, mac); in batadv_bla_add_claim()
712 spin_lock_init(&claim->backbone_lock); in batadv_bla_add_claim()
713 claim->vid = vid; in batadv_bla_add_claim()
714 claim->lasttime = jiffies; in batadv_bla_add_claim()
716 claim->backbone_gw = backbone_gw; in batadv_bla_add_claim()
717 kref_init(&claim->refcount); in batadv_bla_add_claim()
723 kref_get(&claim->refcount); in batadv_bla_add_claim()
726 batadv_choose_claim, claim, in batadv_bla_add_claim()
727 &claim->hash_entry); in batadv_bla_add_claim()
731 kfree(claim); in batadv_bla_add_claim()
735 claim->lasttime = jiffies; in batadv_bla_add_claim()
736 if (claim->backbone_gw == backbone_gw) in batadv_bla_add_claim()
749 spin_lock_bh(&claim->backbone_lock); in batadv_bla_add_claim()
750 old_backbone_gw = claim->backbone_gw; in batadv_bla_add_claim()
752 claim->backbone_gw = backbone_gw; in batadv_bla_add_claim()
753 spin_unlock_bh(&claim->backbone_lock); in batadv_bla_add_claim()
756 /* remove claim address from old backbone_gw */ in batadv_bla_add_claim()
758 old_backbone_gw->crc ^= crc16(0, claim->addr, ETH_ALEN); in batadv_bla_add_claim()
764 /* add claim address to new backbone_gw */ in batadv_bla_add_claim()
766 backbone_gw->crc ^= crc16(0, claim->addr, ETH_ALEN); in batadv_bla_add_claim()
771 batadv_claim_put(claim); in batadv_bla_add_claim()
776 * claim
777 * @claim: claim whose backbone_gw should be returned
779 * Return: valid reference to claim::backbone_gw
782 batadv_bla_claim_get_backbone_gw(struct batadv_bla_claim *claim) in batadv_bla_claim_get_backbone_gw() argument
786 spin_lock_bh(&claim->backbone_lock); in batadv_bla_claim_get_backbone_gw()
787 backbone_gw = claim->backbone_gw; in batadv_bla_claim_get_backbone_gw()
789 spin_unlock_bh(&claim->backbone_lock); in batadv_bla_claim_get_backbone_gw()
795 * batadv_bla_del_claim() - delete a claim from the claim hash
797 * @mac: mac address of the claim to be removed
798 * @vid: VLAN id for the claim to be removed
803 struct batadv_bla_claim search_claim, *claim; in batadv_bla_del_claim() local
809 claim = batadv_claim_hash_find(bat_priv, &search_claim); in batadv_bla_del_claim()
810 if (!claim) in batadv_bla_del_claim()
818 batadv_choose_claim, claim); in batadv_bla_del_claim()
829 batadv_claim_put(claim); in batadv_bla_del_claim()
962 * batadv_handle_claim() - check for CLAIM frame
978 /* register the gateway if not yet available, and add the claim. */ in batadv_handle_claim()
986 /* this must be a CLAIM frame */ in batadv_handle_claim()
999 * batadv_check_claim_group() - check for claim group membership
1004 * @ethhdr: pointer to the Ethernet header of the claim frame
1006 * checks if it is a claim packet and if it's on the same group.
1011 * 2 - if it is a claim packet and on the same group
1012 * 1 - if is a claim packet from another group
1013 * 0 - if it is not a claim packet
1043 /* don't accept claim frames from ourselves */ in batadv_check_claim_group()
1063 "taking other backbones claim group: %#.4x\n", in batadv_check_claim_group()
1074 * batadv_bla_process_claim() - Check if this is a claim frame, and process it
1079 * Return: true if it was a claim frame, otherwise return false to
1108 * The depth of the VLAN headers is recorded to drop BLA claim in batadv_bla_process_claim()
1124 return false; /* not a claim frame */ in batadv_bla_process_claim()
1126 /* this must be a ARP frame. check if it is a claim. */ in batadv_bla_process_claim()
1152 /* check if it is a claim frame in general */ in batadv_bla_process_claim()
1157 /* check if there is a claim frame encapsulated deeper in (QinQ) and in batadv_bla_process_claim()
1168 /* check if it is a claim frame. */ in batadv_bla_process_claim()
1173 …"%s(): received a claim frame from another group. From: %pM on vid %d ...(hw_src %pM, hw_dst %pM)\… in batadv_bla_process_claim()
1183 /* check for the different types of claim frames ... */ in batadv_bla_process_claim()
1209 …"%s(): ERROR - this looks like a claim frame, but is useless. eth src %pM on vid %d ...(hw_src %pM… in batadv_bla_process_claim()
1282 struct batadv_bla_claim *claim; in batadv_bla_purge_claims() local
1295 hlist_for_each_entry_rcu(claim, head, hash_entry) { in batadv_bla_purge_claims()
1296 backbone_gw = batadv_bla_claim_get_backbone_gw(claim); in batadv_bla_purge_claims()
1304 if (!batadv_has_timed_out(claim->lasttime, in batadv_bla_purge_claims()
1314 claim->addr, claim->vid); in batadv_bla_purge_claims()
1318 claim->addr, claim->vid); in batadv_bla_purge_claims()
1519 /* The hash for claim and backbone hash receive the same key because they
1545 /* setting claim destination address */ in batadv_bla_init()
1893 * * we have to race for a claim
1906 struct batadv_bla_claim search_claim, *claim = NULL; in batadv_bla_rx() local
1953 claim = batadv_claim_hash_find(bat_priv, &search_claim); in batadv_bla_rx()
1955 if (!claim) { in batadv_bla_rx()
1956 /* possible optimization: race for a claim */ in batadv_bla_rx()
1957 /* No claim exists yet, claim it for us! in batadv_bla_rx()
1961 "%s(): Unclaimed MAC %pM found. Claim it. Local: %s\n", in batadv_bla_rx()
1972 /* if it is our own claim ... */ in batadv_bla_rx()
1973 backbone_gw = batadv_bla_claim_get_backbone_gw(claim); in batadv_bla_rx()
1980 claim->lasttime = jiffies; in batadv_bla_rx()
1996 * send a claim and update the claim table in batadv_bla_rx()
2016 if (claim) in batadv_bla_rx()
2017 batadv_claim_put(claim); in batadv_bla_rx()
2028 * * a claim was received which has to be processed
2042 struct batadv_bla_claim search_claim, *claim = NULL; in batadv_bla_tx() local
2068 claim = batadv_claim_hash_find(bat_priv, &search_claim); in batadv_bla_tx()
2070 /* if no claim exists, allow it. */ in batadv_bla_tx()
2071 if (!claim) in batadv_bla_tx()
2075 backbone_gw = batadv_bla_claim_get_backbone_gw(claim); in batadv_bla_tx()
2084 if (batadv_has_timed_out(claim->lasttime, 100)) { in batadv_bla_tx()
2085 /* only unclaim if the last claim entry is in batadv_bla_tx()
2096 batadv_dbg(BATADV_DBG_BLA, bat_priv, "%s(): Race for claim %pM detected. Drop packet.\n", in batadv_bla_tx()
2123 if (claim) in batadv_bla_tx()
2124 batadv_claim_put(claim); in batadv_bla_tx()
2130 * batadv_bla_claim_table_seq_print_text() - print the claim table in a seq file
2142 struct batadv_bla_claim *claim; in batadv_bla_claim_table_seq_print_text() local
2165 hlist_for_each_entry_rcu(claim, head, hash_entry) { in batadv_bla_claim_table_seq_print_text()
2166 backbone_gw = batadv_bla_claim_get_backbone_gw(claim); in batadv_bla_claim_table_seq_print_text()
2175 claim->addr, batadv_print_vid(claim->vid), in batadv_bla_claim_table_seq_print_text()
2192 * batadv_bla_claim_dump_entry() - dump one entry of the claim table
2198 * @claim: entry to dump
2206 struct batadv_bla_claim *claim) in batadv_bla_claim_dump_entry() argument
2224 is_own = batadv_compare_eth(claim->backbone_gw->orig, in batadv_bla_claim_dump_entry()
2227 spin_lock_bh(&claim->backbone_gw->crc_lock); in batadv_bla_claim_dump_entry()
2228 backbone_crc = claim->backbone_gw->crc; in batadv_bla_claim_dump_entry()
2229 spin_unlock_bh(&claim->backbone_gw->crc_lock); in batadv_bla_claim_dump_entry()
2237 if (nla_put(msg, BATADV_ATTR_BLA_ADDRESS, ETH_ALEN, claim->addr) || in batadv_bla_claim_dump_entry()
2238 nla_put_u16(msg, BATADV_ATTR_BLA_VID, claim->vid) || in batadv_bla_claim_dump_entry()
2240 claim->backbone_gw->orig) || in batadv_bla_claim_dump_entry()
2255 * batadv_bla_claim_dump_bucket() - dump one bucket of the claim table
2274 struct batadv_bla_claim *claim; in batadv_bla_claim_dump_bucket() local
2281 hlist_for_each_entry(claim, &hash->table[bucket], hash_entry) { in batadv_bla_claim_dump_bucket()
2286 primary_if, claim); in batadv_bla_claim_dump_bucket()
2300 * batadv_bla_claim_dump() - dump claim table to a netlink socket
2604 * @addr: mac address of which the claim status is checked
2616 struct batadv_bla_claim *claim = NULL; in batadv_bla_check_claim() local
2631 claim = batadv_claim_hash_find(bat_priv, &search_claim); in batadv_bla_check_claim()
2633 /* If there is a claim and we are not owner of the claim, in batadv_bla_check_claim()
2636 if (claim) { in batadv_bla_check_claim()
2637 if (!batadv_compare_eth(claim->backbone_gw->orig, in batadv_bla_check_claim()
2640 batadv_claim_put(claim); in batadv_bla_check_claim()