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batman-adv: prefer ether_addr_copy to memcpy

On some architectures ether_addr_copy() is slightly faster
than memcpy() therefore use the former when possible.

Signed-off-by: Antonio Quartulli <antonio@meshcoding.com>
Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch>
hifive-unleashed-5.1
Antonio Quartulli 2014-01-22 00:42:11 +01:00
parent e88b617d84
commit 8fdd01530c
13 changed files with 70 additions and 71 deletions

View File

@ -347,10 +347,10 @@ static void batadv_iv_ogm_iface_update_mac(struct batadv_hard_iface *hard_iface)
unsigned char *ogm_buff = hard_iface->bat_iv.ogm_buff;
batadv_ogm_packet = (struct batadv_ogm_packet *)ogm_buff;
memcpy(batadv_ogm_packet->orig,
hard_iface->net_dev->dev_addr, ETH_ALEN);
memcpy(batadv_ogm_packet->prev_sender,
hard_iface->net_dev->dev_addr, ETH_ALEN);
ether_addr_copy(batadv_ogm_packet->orig,
hard_iface->net_dev->dev_addr);
ether_addr_copy(batadv_ogm_packet->prev_sender,
hard_iface->net_dev->dev_addr);
}
static void
@ -830,7 +830,7 @@ static void batadv_iv_ogm_forward(struct batadv_orig_node *orig_node,
tvlv_len = ntohs(batadv_ogm_packet->tvlv_len);
batadv_ogm_packet->ttl--;
memcpy(batadv_ogm_packet->prev_sender, ethhdr->h_source, ETH_ALEN);
ether_addr_copy(batadv_ogm_packet->prev_sender, ethhdr->h_source);
/* apply hop penalty */
batadv_ogm_packet->tq = batadv_hop_penalty(batadv_ogm_packet->tq,

View File

@ -191,7 +191,7 @@ batadv_backbone_hash_find(struct batadv_priv *bat_priv,
if (!hash)
return NULL;
memcpy(search_entry.orig, addr, ETH_ALEN);
ether_addr_copy(search_entry.orig, addr);
search_entry.vid = vid;
index = batadv_choose_backbone_gw(&search_entry, hash->size);
@ -305,7 +305,7 @@ static void batadv_bla_send_claim(struct batadv_priv *bat_priv, uint8_t *mac,
/* normal claim frame
* set Ethernet SRC to the clients mac
*/
memcpy(ethhdr->h_source, mac, ETH_ALEN);
ether_addr_copy(ethhdr->h_source, mac);
batadv_dbg(BATADV_DBG_BLA, bat_priv,
"bla_send_claim(): CLAIM %pM on vid %d\n", mac,
BATADV_PRINT_VID(vid));
@ -314,7 +314,7 @@ static void batadv_bla_send_claim(struct batadv_priv *bat_priv, uint8_t *mac,
/* unclaim frame
* set HW SRC to the clients mac
*/
memcpy(hw_src, mac, ETH_ALEN);
ether_addr_copy(hw_src, mac);
batadv_dbg(BATADV_DBG_BLA, bat_priv,
"bla_send_claim(): UNCLAIM %pM on vid %d\n", mac,
BATADV_PRINT_VID(vid));
@ -323,7 +323,7 @@ static void batadv_bla_send_claim(struct batadv_priv *bat_priv, uint8_t *mac,
/* announcement frame
* set HW SRC to the special mac containg the crc
*/
memcpy(hw_src, mac, ETH_ALEN);
ether_addr_copy(hw_src, mac);
batadv_dbg(BATADV_DBG_BLA, bat_priv,
"bla_send_claim(): ANNOUNCE of %pM on vid %d\n",
ethhdr->h_source, BATADV_PRINT_VID(vid));
@ -333,8 +333,8 @@ static void batadv_bla_send_claim(struct batadv_priv *bat_priv, uint8_t *mac,
* set HW SRC and header destination to the receiving backbone
* gws mac
*/
memcpy(hw_src, mac, ETH_ALEN);
memcpy(ethhdr->h_dest, mac, ETH_ALEN);
ether_addr_copy(hw_src, mac);
ether_addr_copy(ethhdr->h_dest, mac);
batadv_dbg(BATADV_DBG_BLA, bat_priv,
"bla_send_claim(): REQUEST of %pM to %pM on vid %d\n",
ethhdr->h_source, ethhdr->h_dest,
@ -395,7 +395,7 @@ batadv_bla_get_backbone_gw(struct batadv_priv *bat_priv, uint8_t *orig,
entry->bat_priv = bat_priv;
atomic_set(&entry->request_sent, 0);
atomic_set(&entry->wait_periods, 0);
memcpy(entry->orig, orig, ETH_ALEN);
ether_addr_copy(entry->orig, orig);
/* one for the hash, one for returning */
atomic_set(&entry->refcount, 2);
@ -563,7 +563,7 @@ static void batadv_bla_add_claim(struct batadv_priv *bat_priv,
struct batadv_bla_claim search_claim;
int hash_added;
memcpy(search_claim.addr, mac, ETH_ALEN);
ether_addr_copy(search_claim.addr, mac);
search_claim.vid = vid;
claim = batadv_claim_hash_find(bat_priv, &search_claim);
@ -573,7 +573,7 @@ static void batadv_bla_add_claim(struct batadv_priv *bat_priv,
if (!claim)
return;
memcpy(claim->addr, mac, ETH_ALEN);
ether_addr_copy(claim->addr, mac);
claim->vid = vid;
claim->lasttime = jiffies;
claim->backbone_gw = backbone_gw;
@ -624,7 +624,7 @@ static void batadv_bla_del_claim(struct batadv_priv *bat_priv,
{
struct batadv_bla_claim search_claim, *claim;
memcpy(search_claim.addr, mac, ETH_ALEN);
ether_addr_copy(search_claim.addr, mac);
search_claim.vid = vid;
claim = batadv_claim_hash_find(bat_priv, &search_claim);
if (!claim)
@ -1103,8 +1103,8 @@ void batadv_bla_update_orig_address(struct batadv_priv *bat_priv,
oldif->net_dev->dev_addr))
continue;
memcpy(backbone_gw->orig,
primary_if->net_dev->dev_addr, ETH_ALEN);
ether_addr_copy(backbone_gw->orig,
primary_if->net_dev->dev_addr);
/* send an announce frame so others will ask for our
* claims and update their tables.
*/
@ -1310,7 +1310,7 @@ int batadv_bla_check_bcast_duplist(struct batadv_priv *bat_priv,
entry = &bat_priv->bla.bcast_duplist[curr];
entry->crc = crc;
entry->entrytime = jiffies;
memcpy(entry->orig, bcast_packet->orig, ETH_ALEN);
ether_addr_copy(entry->orig, bcast_packet->orig);
bat_priv->bla.bcast_duplist_curr = curr;
out:
@ -1458,7 +1458,7 @@ int batadv_bla_rx(struct batadv_priv *bat_priv, struct sk_buff *skb,
if (is_multicast_ether_addr(ethhdr->h_dest) && is_bcast)
goto handled;
memcpy(search_claim.addr, ethhdr->h_source, ETH_ALEN);
ether_addr_copy(search_claim.addr, ethhdr->h_source);
search_claim.vid = vid;
claim = batadv_claim_hash_find(bat_priv, &search_claim);
@ -1557,7 +1557,7 @@ int batadv_bla_tx(struct batadv_priv *bat_priv, struct sk_buff *skb,
if (is_multicast_ether_addr(ethhdr->h_dest))
goto handled;
memcpy(search_claim.addr, ethhdr->h_source, ETH_ALEN);
ether_addr_copy(search_claim.addr, ethhdr->h_source);
search_claim.vid = vid;
claim = batadv_claim_hash_find(bat_priv, &search_claim);

View File

@ -277,7 +277,7 @@ static void batadv_dat_entry_add(struct batadv_priv *bat_priv, __be32 ip,
/* if this entry is already known, just update it */
if (dat_entry) {
if (!batadv_compare_eth(dat_entry->mac_addr, mac_addr))
memcpy(dat_entry->mac_addr, mac_addr, ETH_ALEN);
ether_addr_copy(dat_entry->mac_addr, mac_addr);
dat_entry->last_update = jiffies;
batadv_dbg(BATADV_DBG_DAT, bat_priv,
"Entry updated: %pI4 %pM (vid: %d)\n",
@ -292,7 +292,7 @@ static void batadv_dat_entry_add(struct batadv_priv *bat_priv, __be32 ip,
dat_entry->ip = ip;
dat_entry->vid = vid;
memcpy(dat_entry->mac_addr, mac_addr, ETH_ALEN);
ether_addr_copy(dat_entry->mac_addr, mac_addr);
dat_entry->last_update = jiffies;
atomic_set(&dat_entry->refcount, 2);

View File

@ -449,8 +449,8 @@ bool batadv_frag_send_packet(struct sk_buff *skb,
frag_header.reserved = 0;
frag_header.no = 0;
frag_header.total_size = htons(skb->len);
memcpy(frag_header.orig, primary_if->net_dev->dev_addr, ETH_ALEN);
memcpy(frag_header.dest, orig_node->orig, ETH_ALEN);
ether_addr_copy(frag_header.orig, primary_if->net_dev->dev_addr);
ether_addr_copy(frag_header.dest, orig_node->orig);
/* Eat and send fragments from the tail of skb */
while (skb->len > max_fragment_size) {

View File

@ -763,7 +763,7 @@ batadv_gw_dhcp_recipient_get(struct sk_buff *skb, unsigned int *header_len,
if (*p != ETH_ALEN)
return BATADV_DHCP_NO;
memcpy(chaddr, skb->data + chaddr_offset, ETH_ALEN);
ether_addr_copy(chaddr, skb->data + chaddr_offset);
}
return ret;

View File

@ -158,6 +158,7 @@ static ssize_t batadv_socket_write(struct file *file, const char __user *buff,
struct batadv_orig_node *orig_node = NULL;
struct batadv_neigh_node *neigh_node = NULL;
size_t packet_len = sizeof(struct batadv_icmp_packet);
uint8_t *addr;
if (len < sizeof(struct batadv_icmp_header)) {
batadv_dbg(BATADV_DBG_BATMAN, bat_priv,
@ -227,10 +228,10 @@ static ssize_t batadv_socket_write(struct file *file, const char __user *buff,
goto dst_unreach;
icmp_packet_rr = (struct batadv_icmp_packet_rr *)icmp_header;
if (packet_len == sizeof(*icmp_packet_rr))
memcpy(icmp_packet_rr->rr,
neigh_node->if_incoming->net_dev->dev_addr,
ETH_ALEN);
if (packet_len == sizeof(*icmp_packet_rr)) {
addr = neigh_node->if_incoming->net_dev->dev_addr;
ether_addr_copy(icmp_packet_rr->rr[0], addr);
}
break;
default:
@ -250,7 +251,7 @@ static ssize_t batadv_socket_write(struct file *file, const char __user *buff,
goto free_skb;
}
memcpy(icmp_header->orig, primary_if->net_dev->dev_addr, ETH_ALEN);
ether_addr_copy(icmp_header->orig, primary_if->net_dev->dev_addr);
batadv_send_skb_packet(skb, neigh_node->if_incoming, neigh_node->addr);
goto out;

View File

@ -1133,8 +1133,8 @@ void batadv_tvlv_unicast_send(struct batadv_priv *bat_priv, uint8_t *src,
unicast_tvlv_packet->reserved = 0;
unicast_tvlv_packet->tvlv_len = htons(tvlv_len);
unicast_tvlv_packet->align = 0;
memcpy(unicast_tvlv_packet->src, src, ETH_ALEN);
memcpy(unicast_tvlv_packet->dst, dst, ETH_ALEN);
ether_addr_copy(unicast_tvlv_packet->src, src);
ether_addr_copy(unicast_tvlv_packet->dst, dst);
tvlv_buff = (unsigned char *)(unicast_tvlv_packet + 1);
tvlv_hdr = (struct batadv_tvlv_hdr *)tvlv_buff;

View File

@ -819,7 +819,7 @@ static struct batadv_nc_node
/* Initialize nc_node */
INIT_LIST_HEAD(&nc_node->list);
memcpy(nc_node->addr, orig_node->orig, ETH_ALEN);
ether_addr_copy(nc_node->addr, orig_node->orig);
nc_node->orig_node = orig_neigh_node;
atomic_set(&nc_node->refcount, 2);
@ -941,8 +941,8 @@ static struct batadv_nc_path *batadv_nc_get_path(struct batadv_priv *bat_priv,
spin_lock_init(&nc_path->packet_list_lock);
atomic_set(&nc_path->refcount, 2);
nc_path->last_valid = jiffies;
memcpy(nc_path->next_hop, dst, ETH_ALEN);
memcpy(nc_path->prev_hop, src, ETH_ALEN);
ether_addr_copy(nc_path->next_hop, dst);
ether_addr_copy(nc_path->prev_hop, src);
batadv_dbg(BATADV_DBG_NC, bat_priv, "Adding nc_path %pM -> %pM\n",
nc_path->prev_hop,
@ -1114,15 +1114,15 @@ static bool batadv_nc_code_packets(struct batadv_priv *bat_priv,
coded_packet->ttl = packet1->ttl;
/* Info about first unicast packet */
memcpy(coded_packet->first_source, first_source, ETH_ALEN);
memcpy(coded_packet->first_orig_dest, packet1->dest, ETH_ALEN);
ether_addr_copy(coded_packet->first_source, first_source);
ether_addr_copy(coded_packet->first_orig_dest, packet1->dest);
coded_packet->first_crc = packet_id1;
coded_packet->first_ttvn = packet1->ttvn;
/* Info about second unicast packet */
memcpy(coded_packet->second_dest, second_dest, ETH_ALEN);
memcpy(coded_packet->second_source, second_source, ETH_ALEN);
memcpy(coded_packet->second_orig_dest, packet2->dest, ETH_ALEN);
ether_addr_copy(coded_packet->second_dest, second_dest);
ether_addr_copy(coded_packet->second_source, second_source);
ether_addr_copy(coded_packet->second_orig_dest, packet2->dest);
coded_packet->second_crc = packet_id2;
coded_packet->second_ttl = packet2->ttl;
coded_packet->second_ttvn = packet2->ttvn;
@ -1349,8 +1349,8 @@ static void batadv_nc_skb_store_before_coding(struct batadv_priv *bat_priv,
/* Set the mac header as if we actually sent the packet uncoded */
ethhdr = eth_hdr(skb);
memcpy(ethhdr->h_source, ethhdr->h_dest, ETH_ALEN);
memcpy(ethhdr->h_dest, eth_dst_new, ETH_ALEN);
ether_addr_copy(ethhdr->h_source, ethhdr->h_dest);
ether_addr_copy(ethhdr->h_dest, eth_dst_new);
/* Set data pointer to MAC header to mimic packets from our tx path */
skb_push(skb, ETH_HLEN);
@ -1646,7 +1646,7 @@ batadv_nc_skb_decode_packet(struct batadv_priv *bat_priv, struct sk_buff *skb,
* so the Ethernet address must be copied to h_dest and
* pkt_type changed from PACKET_OTHERHOST to PACKET_HOST
*/
memcpy(ethhdr->h_dest, coded_packet_tmp.second_dest, ETH_ALEN);
ether_addr_copy(ethhdr->h_dest, coded_packet_tmp.second_dest);
skb->pkt_type = PACKET_HOST;
orig_dest = coded_packet_tmp.second_orig_dest;
@ -1682,7 +1682,7 @@ batadv_nc_skb_decode_packet(struct batadv_priv *bat_priv, struct sk_buff *skb,
unicast_packet->packet_type = BATADV_UNICAST;
unicast_packet->version = BATADV_COMPAT_VERSION;
unicast_packet->ttl = ttl;
memcpy(unicast_packet->dest, orig_dest, ETH_ALEN);
ether_addr_copy(unicast_packet->dest, orig_dest);
unicast_packet->ttvn = ttvn;
batadv_nc_packet_free(nc_packet);

View File

@ -446,7 +446,7 @@ batadv_neigh_node_new(struct batadv_hard_iface *hard_iface,
INIT_HLIST_HEAD(&neigh_node->ifinfo_list);
spin_lock_init(&neigh_node->ifinfo_lock);
memcpy(neigh_node->addr, neigh_addr, ETH_ALEN);
ether_addr_copy(neigh_node->addr, neigh_addr);
neigh_node->if_incoming = hard_iface;
neigh_node->orig_node = orig_node;
@ -666,7 +666,7 @@ struct batadv_orig_node *batadv_orig_node_new(struct batadv_priv *bat_priv,
orig_node->tt_initialised = false;
orig_node->bat_priv = bat_priv;
memcpy(orig_node->orig, addr, ETH_ALEN);
ether_addr_copy(orig_node->orig, addr);
batadv_dat_init_orig_node_addr(orig_node);
atomic_set(&orig_node->last_ttvn, 0);
orig_node->tt_buff = NULL;

View File

@ -222,8 +222,8 @@ static int batadv_recv_my_icmp_packet(struct batadv_priv *bat_priv,
icmph = (struct batadv_icmp_header *)skb->data;
memcpy(icmph->dst, icmph->orig, ETH_ALEN);
memcpy(icmph->orig, primary_if->net_dev->dev_addr, ETH_ALEN);
ether_addr_copy(icmph->dst, icmph->orig);
ether_addr_copy(icmph->orig, primary_if->net_dev->dev_addr);
icmph->msg_type = BATADV_ECHO_REPLY;
icmph->ttl = BATADV_TTL;
@ -276,9 +276,8 @@ static int batadv_recv_icmp_ttl_exceeded(struct batadv_priv *bat_priv,
icmp_packet = (struct batadv_icmp_packet *)skb->data;
memcpy(icmp_packet->dst, icmp_packet->orig, ETH_ALEN);
memcpy(icmp_packet->orig, primary_if->net_dev->dev_addr,
ETH_ALEN);
ether_addr_copy(icmp_packet->dst, icmp_packet->orig);
ether_addr_copy(icmp_packet->orig, primary_if->net_dev->dev_addr);
icmp_packet->msg_type = BATADV_TTL_EXCEEDED;
icmp_packet->ttl = BATADV_TTL;
@ -341,8 +340,8 @@ int batadv_recv_icmp_packet(struct sk_buff *skb,
if (icmp_packet_rr->rr_cur >= BATADV_RR_LEN)
goto out;
memcpy(&(icmp_packet_rr->rr[icmp_packet_rr->rr_cur]),
ethhdr->h_dest, ETH_ALEN);
ether_addr_copy(icmp_packet_rr->rr[icmp_packet_rr->rr_cur],
ethhdr->h_dest);
icmp_packet_rr->rr_cur++;
}
@ -664,7 +663,7 @@ batadv_reroute_unicast_packet(struct batadv_priv *bat_priv,
}
/* update the packet header */
memcpy(unicast_packet->dest, orig_addr, ETH_ALEN);
ether_addr_copy(unicast_packet->dest, orig_addr);
unicast_packet->ttvn = orig_ttvn;
ret = true;
@ -774,7 +773,7 @@ static int batadv_check_unicast_ttvn(struct batadv_priv *bat_priv,
if (!primary_if)
return 0;
memcpy(unicast_packet->dest, primary_if->net_dev->dev_addr, ETH_ALEN);
ether_addr_copy(unicast_packet->dest, primary_if->net_dev->dev_addr);
batadv_hardif_free_ref(primary_if);

View File

@ -59,8 +59,8 @@ int batadv_send_skb_packet(struct sk_buff *skb,
skb_reset_mac_header(skb);
ethhdr = eth_hdr(skb);
memcpy(ethhdr->h_source, hard_iface->net_dev->dev_addr, ETH_ALEN);
memcpy(ethhdr->h_dest, dst_addr, ETH_ALEN);
ether_addr_copy(ethhdr->h_source, hard_iface->net_dev->dev_addr);
ether_addr_copy(ethhdr->h_dest, dst_addr);
ethhdr->h_proto = htons(ETH_P_BATMAN);
skb_set_network_header(skb, ETH_HLEN);
@ -165,7 +165,7 @@ batadv_send_skb_push_fill_unicast(struct sk_buff *skb, int hdr_size,
/* set unicast ttl */
unicast_packet->ttl = BATADV_TTL;
/* copy the destination for faster routing */
memcpy(unicast_packet->dest, orig_node->orig, ETH_ALEN);
ether_addr_copy(unicast_packet->dest, orig_node->orig);
/* set the destination tt version number */
unicast_packet->ttvn = ttvn;
@ -220,7 +220,7 @@ bool batadv_send_skb_prepare_unicast_4addr(struct batadv_priv *bat_priv,
uc_4addr_packet = (struct batadv_unicast_4addr_packet *)skb->data;
uc_4addr_packet->u.packet_type = BATADV_UNICAST_4ADDR;
memcpy(uc_4addr_packet->src, primary_if->net_dev->dev_addr, ETH_ALEN);
ether_addr_copy(uc_4addr_packet->src, primary_if->net_dev->dev_addr);
uc_4addr_packet->subtype = packet_subtype;
uc_4addr_packet->reserved = 0;

View File

@ -111,8 +111,8 @@ static int batadv_interface_set_mac_addr(struct net_device *dev, void *p)
if (!is_valid_ether_addr(addr->sa_data))
return -EADDRNOTAVAIL;
memcpy(old_addr, dev->dev_addr, ETH_ALEN);
memcpy(dev->dev_addr, addr->sa_data, ETH_ALEN);
ether_addr_copy(old_addr, dev->dev_addr);
ether_addr_copy(dev->dev_addr, addr->sa_data);
/* only modify transtable if it has been initialized before */
if (atomic_read(&bat_priv->mesh_state) == BATADV_MESH_ACTIVE) {
@ -279,8 +279,8 @@ send:
/* hw address of first interface is the orig mac because only
* this mac is known throughout the mesh
*/
memcpy(bcast_packet->orig,
primary_if->net_dev->dev_addr, ETH_ALEN);
ether_addr_copy(bcast_packet->orig,
primary_if->net_dev->dev_addr);
/* set broadcast sequence number */
seqno = atomic_inc_return(&bat_priv->bcast_seqno);

View File

@ -96,7 +96,7 @@ batadv_tt_hash_find(struct batadv_hashtable *hash, const uint8_t *addr,
if (!hash)
return NULL;
memcpy(to_search.addr, addr, ETH_ALEN);
ether_addr_copy(to_search.addr, addr);
to_search.vid = vid;
index = batadv_choose_tt(&to_search, hash->size);
@ -333,7 +333,7 @@ static void batadv_tt_local_event(struct batadv_priv *bat_priv,
tt_change_node->change.flags = flags;
memset(tt_change_node->change.reserved, 0,
sizeof(tt_change_node->change.reserved));
memcpy(tt_change_node->change.addr, common->addr, ETH_ALEN);
ether_addr_copy(tt_change_node->change.addr, common->addr);
tt_change_node->change.vid = htons(common->vid);
del_op_requested = flags & BATADV_TT_CLIENT_DEL;
@ -549,7 +549,7 @@ bool batadv_tt_local_add(struct net_device *soft_iface, const uint8_t *addr,
addr, BATADV_PRINT_VID(vid),
(uint8_t)atomic_read(&bat_priv->tt.vn));
memcpy(tt_local->common.addr, addr, ETH_ALEN);
ether_addr_copy(tt_local->common.addr, addr);
/* The local entry has to be marked as NEW to avoid to send it in
* a full table response going out before the next ttvn increment
* (consistency check)
@ -1277,7 +1277,7 @@ static bool batadv_tt_global_add(struct batadv_priv *bat_priv,
goto out;
common = &tt_global_entry->common;
memcpy(common->addr, tt_addr, ETH_ALEN);
ether_addr_copy(common->addr, tt_addr);
common->vid = vid;
common->flags = flags;
@ -2160,7 +2160,7 @@ batadv_new_tt_req_node(struct batadv_priv *bat_priv,
if (!tt_req_node)
goto unlock;
memcpy(tt_req_node->addr, orig_node->orig, ETH_ALEN);
ether_addr_copy(tt_req_node->addr, orig_node->orig);
tt_req_node->issued_at = jiffies;
list_add(&tt_req_node->list, &bat_priv->tt.req_list);
@ -2240,8 +2240,7 @@ static void batadv_tt_tvlv_generate(struct batadv_priv *bat_priv,
if ((valid_cb) && (!valid_cb(tt_common_entry, cb_data)))
continue;
memcpy(tt_change->addr, tt_common_entry->addr,
ETH_ALEN);
ether_addr_copy(tt_change->addr, tt_common_entry->addr);
tt_change->flags = tt_common_entry->flags;
tt_change->vid = htons(tt_common_entry->vid);
memset(tt_change->reserved, 0,
@ -2932,7 +2931,7 @@ static bool batadv_tt_check_roam_count(struct batadv_priv *bat_priv,
tt_roam_node->first_time = jiffies;
atomic_set(&tt_roam_node->counter,
BATADV_ROAMING_MAX_COUNT - 1);
memcpy(tt_roam_node->addr, client, ETH_ALEN);
ether_addr_copy(tt_roam_node->addr, client);
list_add(&tt_roam_node->list, &bat_priv->tt.roam_list);
ret = true;