@@ -38,10 +38,10 @@ void bat_ogm_init(struct hard_iface *hard_iface)
hard_iface->packet_buff = kmalloc(hard_iface->packet_len, GFP_ATOMIC);
batman_ogm_packet = (struct batman_ogm_packet *)hard_iface->packet_buff;
- batman_ogm_packet->packet_type = BAT_OGM;
- batman_ogm_packet->version = COMPAT_VERSION;
+ batman_ogm_packet->header.packet_type = BAT_OGM;
+ batman_ogm_packet->header.version = COMPAT_VERSION;
+ batman_ogm_packet->header.ttl = 2;
batman_ogm_packet->flags = NO_FLAGS;
- batman_ogm_packet->ttl = 2;
batman_ogm_packet->tq = TQ_MAX_VALUE;
batman_ogm_packet->tt_num_changes = 0;
batman_ogm_packet->ttvn = 0;
@@ -53,7 +53,7 @@ void bat_ogm_init_primary(struct hard_iface *hard_iface)
batman_ogm_packet = (struct batman_ogm_packet *)hard_iface->packet_buff;
batman_ogm_packet->flags = PRIMARIES_FIRST_HOP;
- batman_ogm_packet->ttl = TTL;
+ batman_ogm_packet->header.ttl = TTL;
}
void bat_ogm_update_mac(struct hard_iface *hard_iface)
@@ -137,7 +137,7 @@ static void bat_ogm_send_to_if(struct forw_packet *forw_packet,
fwd_str, (packet_num > 0 ? "aggregated " : ""),
batman_ogm_packet->orig,
ntohl(batman_ogm_packet->seqno),
- batman_ogm_packet->tq, batman_ogm_packet->ttl,
+ batman_ogm_packet->tq, batman_ogm_packet->header.ttl,
(batman_ogm_packet->flags & DIRECTLINK ?
"on" : "off"),
batman_ogm_packet->ttvn, hard_iface->net_dev->name,
@@ -188,7 +188,7 @@ void bat_ogm_emit(struct forw_packet *forw_packet)
/* multihomed peer assumed */
/* non-primary OGMs are only broadcasted on their interface */
- if ((directlink && (batman_ogm_packet->ttl == 1)) ||
+ if ((directlink && (batman_ogm_packet->header.ttl == 1)) ||
(forw_packet->own && (forw_packet->if_incoming != primary_if))) {
/* FIXME: what about aggregated packets ? */
@@ -198,7 +198,7 @@ void bat_ogm_emit(struct forw_packet *forw_packet)
(forw_packet->own ? "Sending own" : "Forwarding"),
batman_ogm_packet->orig,
ntohl(batman_ogm_packet->seqno),
- batman_ogm_packet->ttl,
+ batman_ogm_packet->header.ttl,
forw_packet->if_incoming->net_dev->name,
forw_packet->if_incoming->net_dev->dev_addr);
@@ -272,7 +272,7 @@ static bool bat_ogm_can_aggregate(const struct batman_ogm_packet
* are flooded through the net */
if ((!directlink) &&
(!(batman_ogm_packet->flags & DIRECTLINK)) &&
- (batman_ogm_packet->ttl != 1) &&
+ (batman_ogm_packet->header.ttl != 1) &&
/* own packets originating non-primary
* interfaces leave only that interface */
@@ -285,7 +285,7 @@ static bool bat_ogm_can_aggregate(const struct batman_ogm_packet
/* if the incoming packet is sent via this one
* interface only - we still can aggregate */
if ((directlink) &&
- (new_batman_ogm_packet->ttl == 1) &&
+ (new_batman_ogm_packet->header.ttl == 1) &&
(forw_packet->if_incoming == if_incoming) &&
/* packets from direct neighbors or
@@ -471,7 +471,7 @@ static void bat_ogm_forward(struct orig_node *orig_node,
uint8_t in_tq, in_ttl, tq_avg = 0;
uint8_t tt_num_changes;
- if (batman_ogm_packet->ttl <= 1) {
+ if (batman_ogm_packet->header.ttl <= 1) {
bat_dbg(DBG_BATMAN, bat_priv, "ttl exceeded\n");
return;
}
@@ -479,10 +479,10 @@ static void bat_ogm_forward(struct orig_node *orig_node,
router = orig_node_get_router(orig_node);
in_tq = batman_ogm_packet->tq;
- in_ttl = batman_ogm_packet->ttl;
+ in_ttl = batman_ogm_packet->header.ttl;
tt_num_changes = batman_ogm_packet->tt_num_changes;
- batman_ogm_packet->ttl--;
+ batman_ogm_packet->header.ttl--;
memcpy(batman_ogm_packet->prev_sender, ethhdr->h_source, ETH_ALEN);
/* rebroadcast tq of our best ranking neighbor to ensure the rebroadcast
@@ -494,7 +494,8 @@ static void bat_ogm_forward(struct orig_node *orig_node,
batman_ogm_packet->tq = router->tq_avg;
if (router->last_ttl)
- batman_ogm_packet->ttl = router->last_ttl - 1;
+ batman_ogm_packet->header.ttl =
+ router->last_ttl - 1;
}
tq_avg = router->tq_avg;
@@ -510,7 +511,7 @@ static void bat_ogm_forward(struct orig_node *orig_node,
"Forwarding packet: tq_orig: %i, tq_avg: %i, "
"tq_forw: %i, ttl_orig: %i, ttl_forw: %i\n",
in_tq, tq_avg, batman_ogm_packet->tq, in_ttl - 1,
- batman_ogm_packet->ttl);
+ batman_ogm_packet->header.ttl);
batman_ogm_packet->seqno = htonl(batman_ogm_packet->seqno);
batman_ogm_packet->tt_crc = htons(batman_ogm_packet->tt_crc);
@@ -642,8 +643,8 @@ static void bat_ogm_orig_update(struct bat_priv *bat_priv,
spin_unlock_bh(&neigh_node->tq_lock);
if (!is_duplicate) {
- orig_node->last_ttl = batman_ogm_packet->ttl;
- neigh_node->last_ttl = batman_ogm_packet->ttl;
+ orig_node->last_ttl = batman_ogm_packet->header.ttl;
+ neigh_node->last_ttl = batman_ogm_packet->header.ttl;
}
bonding_candidate_add(orig_node, neigh_node);
@@ -683,7 +684,7 @@ update_tt:
/* I have to check for transtable changes only if the OGM has been
* sent through a primary interface */
if (((batman_ogm_packet->orig != ethhdr->h_source) &&
- (batman_ogm_packet->ttl > 2)) ||
+ (batman_ogm_packet->header.ttl > 2)) ||
(batman_ogm_packet->flags & PRIMARIES_FIRST_HOP))
tt_update_orig(bat_priv, orig_node, tt_buff,
batman_ogm_packet->tt_num_changes,
@@ -918,7 +919,7 @@ static void bat_ogm_process(const struct ethhdr *ethhdr,
* packet in an aggregation. Here we expect that the padding
* is always zero (or not 0x01)
*/
- if (batman_ogm_packet->packet_type != BAT_OGM)
+ if (batman_ogm_packet->header.packet_type != BAT_OGM)
return;
/* could be changed by schedule_own_packet() */
@@ -938,8 +939,8 @@ static void bat_ogm_process(const struct ethhdr *ethhdr,
batman_ogm_packet->prev_sender, batman_ogm_packet->seqno,
batman_ogm_packet->ttvn, batman_ogm_packet->tt_crc,
batman_ogm_packet->tt_num_changes, batman_ogm_packet->tq,
- batman_ogm_packet->ttl, batman_ogm_packet->version,
- has_directlink_flag);
+ batman_ogm_packet->header.ttl,
+ batman_ogm_packet->header.version, has_directlink_flag);
rcu_read_lock();
list_for_each_entry_rcu(hard_iface, &hardif_list, list) {
@@ -966,10 +967,10 @@ static void bat_ogm_process(const struct ethhdr *ethhdr,
}
rcu_read_unlock();
- if (batman_ogm_packet->version != COMPAT_VERSION) {
+ if (batman_ogm_packet->header.version != COMPAT_VERSION) {
bat_dbg(DBG_BATMAN, bat_priv,
"Drop packet: incompatible batman version (%i)\n",
- batman_ogm_packet->version);
+ batman_ogm_packet->header.version);
return;
}
@@ -1091,7 +1092,7 @@ static void bat_ogm_process(const struct ethhdr *ethhdr,
if (is_bidirectional &&
(!is_duplicate ||
((orig_node->last_real_seqno == batman_ogm_packet->seqno) &&
- (orig_node->last_ttl - 3 <= batman_ogm_packet->ttl))))
+ (orig_node->last_ttl - 3 <= batman_ogm_packet->header.ttl))))
bat_ogm_orig_update(bat_priv, orig_node, ethhdr,
batman_ogm_packet, if_incoming,
tt_buff, is_duplicate);
@@ -590,17 +590,17 @@ static int batman_skb_recv(struct sk_buff *skb, struct net_device *dev,
batman_ogm_packet = (struct batman_ogm_packet *)skb->data;
- if (batman_ogm_packet->version != COMPAT_VERSION) {
+ if (batman_ogm_packet->header.version != COMPAT_VERSION) {
bat_dbg(DBG_BATMAN, bat_priv,
"Drop packet: incompatible batman version (%i)\n",
- batman_ogm_packet->version);
+ batman_ogm_packet->header.version);
goto err_free;
}
/* all receive handlers return whether they received or reused
* the supplied skb. if not, we have to free the skb. */
- switch (batman_ogm_packet->packet_type) {
+ switch (batman_ogm_packet->header.packet_type) {
/* batman originator packet */
case BAT_OGM:
ret = recv_bat_ogm_packet(skb, hard_iface);
@@ -191,7 +191,7 @@ static ssize_t bat_socket_write(struct file *file, const char __user *buff,
goto free_skb;
}
- if (icmp_packet->packet_type != BAT_ICMP) {
+ if (icmp_packet->header.packet_type != BAT_ICMP) {
bat_dbg(DBG_BATMAN, bat_priv,
"Error - can't send packet from char device: "
"got bogus packet type (expected: BAT_ICMP)\n");
@@ -209,9 +209,9 @@ static ssize_t bat_socket_write(struct file *file, const char __user *buff,
icmp_packet->uid = socket_client->index;
- if (icmp_packet->version != COMPAT_VERSION) {
+ if (icmp_packet->header.version != COMPAT_VERSION) {
icmp_packet->msg_type = PARAMETER_PROBLEM;
- icmp_packet->version = COMPAT_VERSION;
+ icmp_packet->header.version = COMPAT_VERSION;
bat_socket_add_packet(socket_client, icmp_packet, packet_len);
goto free_skb;
}
@@ -90,10 +90,14 @@ enum tt_client_flags {
TT_CLIENT_PENDING = 1 << 10
};
-struct batman_ogm_packet {
+struct batman_header {
uint8_t packet_type;
uint8_t version; /* batman version field */
uint8_t ttl;
+} __packed;
+
+struct batman_ogm_packet {
+ struct batman_header header;
uint8_t flags; /* 0x40: DIRECTLINK flag, 0x20 VIS_SERVER flag... */
uint32_t seqno;
uint8_t orig[6];
@@ -108,9 +112,7 @@ struct batman_ogm_packet {
#define BATMAN_OGM_LEN sizeof(struct batman_ogm_packet)
struct icmp_packet {
- uint8_t packet_type;
- uint8_t version; /* batman version field */
- uint8_t ttl;
+ struct batman_header header;
uint8_t msg_type; /* see ICMP message types above */
uint8_t dst[6];
uint8_t orig[6];
@@ -124,9 +126,7 @@ struct icmp_packet {
/* icmp_packet_rr must start with all fields from imcp_packet
* as this is assumed by code that handles ICMP packets */
struct icmp_packet_rr {
- uint8_t packet_type;
- uint8_t version; /* batman version field */
- uint8_t ttl;
+ struct batman_header header;
uint8_t msg_type; /* see ICMP message types above */
uint8_t dst[6];
uint8_t orig[6];
@@ -137,17 +137,13 @@ struct icmp_packet_rr {
} __packed;
struct unicast_packet {
- uint8_t packet_type;
- uint8_t version; /* batman version field */
- uint8_t ttl;
+ struct batman_header header;
uint8_t ttvn; /* destination translation table version number */
uint8_t dest[6];
} __packed;
struct unicast_frag_packet {
- uint8_t packet_type;
- uint8_t version; /* batman version field */
- uint8_t ttl;
+ struct batman_header header;
uint8_t ttvn; /* destination translation table version number */
uint8_t dest[6];
uint8_t flags;
@@ -157,18 +153,14 @@ struct unicast_frag_packet {
} __packed;
struct bcast_packet {
- uint8_t packet_type;
- uint8_t version; /* batman version field */
- uint8_t ttl;
+ struct batman_header header;
uint8_t reserved;
uint32_t seqno;
uint8_t orig[6];
} __packed;
struct vis_packet {
- uint8_t packet_type;
- uint8_t version; /* batman version field */
- uint8_t ttl; /* TTL */
+ struct batman_header header;
uint8_t vis_type; /* which type of vis-participant sent this? */
uint32_t seqno; /* sequence number */
uint8_t entries; /* number of entries behind this struct */
@@ -179,9 +171,7 @@ struct vis_packet {
} __packed;
struct tt_query_packet {
- uint8_t packet_type;
- uint8_t version; /* batman version field */
- uint8_t ttl;
+ struct batman_header header;
/* the flag field is a combination of:
* - TT_REQUEST or TT_RESPONSE
* - TT_FULL_TABLE */
@@ -202,9 +192,7 @@ struct tt_query_packet {
} __packed;
struct roam_adv_packet {
- uint8_t packet_type;
- uint8_t version;
- uint8_t ttl;
+ struct batman_header header;
uint8_t reserved;
uint8_t dst[ETH_ALEN];
uint8_t src[ETH_ALEN];
@@ -320,7 +320,7 @@ static int recv_my_icmp_packet(struct bat_priv *bat_priv,
memcpy(icmp_packet->dst, icmp_packet->orig, ETH_ALEN);
memcpy(icmp_packet->orig, primary_if->net_dev->dev_addr, ETH_ALEN);
icmp_packet->msg_type = ECHO_REPLY;
- icmp_packet->ttl = TTL;
+ icmp_packet->header.ttl = TTL;
send_skb_packet(skb, router->if_incoming, router->addr);
ret = NET_RX_SUCCESS;
@@ -376,7 +376,7 @@ static int recv_icmp_ttl_exceeded(struct bat_priv *bat_priv,
memcpy(icmp_packet->dst, icmp_packet->orig, ETH_ALEN);
memcpy(icmp_packet->orig, primary_if->net_dev->dev_addr, ETH_ALEN);
icmp_packet->msg_type = TTL_EXCEEDED;
- icmp_packet->ttl = TTL;
+ icmp_packet->header.ttl = TTL;
send_skb_packet(skb, router->if_incoming, router->addr);
ret = NET_RX_SUCCESS;
@@ -441,7 +441,7 @@ int recv_icmp_packet(struct sk_buff *skb, struct hard_iface *recv_if)
return recv_my_icmp_packet(bat_priv, skb, hdr_size);
/* TTL exceeded */
- if (icmp_packet->ttl < 2)
+ if (icmp_packet->header.ttl < 2)
return recv_icmp_ttl_exceeded(bat_priv, skb);
/* get routing information */
@@ -460,7 +460,7 @@ int recv_icmp_packet(struct sk_buff *skb, struct hard_iface *recv_if)
icmp_packet = (struct icmp_packet_rr *)skb->data;
/* decrement ttl */
- icmp_packet->ttl--;
+ icmp_packet->header.ttl--;
/* route it */
send_skb_packet(skb, router->if_incoming, router->addr);
@@ -815,7 +815,7 @@ int route_unicast_packet(struct sk_buff *skb, struct hard_iface *recv_if)
unicast_packet = (struct unicast_packet *)skb->data;
/* TTL exceeded */
- if (unicast_packet->ttl < 2) {
+ if (unicast_packet->header.ttl < 2) {
pr_debug("Warning - can't forward unicast packet from %pM to "
"%pM: ttl exceeded\n", ethhdr->h_source,
unicast_packet->dest);
@@ -840,7 +840,7 @@ int route_unicast_packet(struct sk_buff *skb, struct hard_iface *recv_if)
unicast_packet = (struct unicast_packet *)skb->data;
- if (unicast_packet->packet_type == BAT_UNICAST &&
+ if (unicast_packet->header.packet_type == BAT_UNICAST &&
atomic_read(&bat_priv->fragmentation) &&
skb->len > neigh_node->if_incoming->net_dev->mtu) {
ret = frag_send_skb(skb, bat_priv,
@@ -848,7 +848,7 @@ int route_unicast_packet(struct sk_buff *skb, struct hard_iface *recv_if)
goto out;
}
- if (unicast_packet->packet_type == BAT_UNICAST_FRAG &&
+ if (unicast_packet->header.packet_type == BAT_UNICAST_FRAG &&
frag_can_reassemble(skb, neigh_node->if_incoming->net_dev->mtu)) {
ret = frag_reassemble_skb(skb, bat_priv, &new_skb);
@@ -867,7 +867,7 @@ int route_unicast_packet(struct sk_buff *skb, struct hard_iface *recv_if)
}
/* decrement ttl */
- unicast_packet->ttl--;
+ unicast_packet->header.ttl--;
/* route it */
send_skb_packet(skb, neigh_node->if_incoming, neigh_node->addr);
@@ -1041,7 +1041,7 @@ int recv_bcast_packet(struct sk_buff *skb, struct hard_iface *recv_if)
if (is_my_mac(bcast_packet->orig))
goto out;
- if (bcast_packet->ttl < 2)
+ if (bcast_packet->header.ttl < 2)
goto out;
orig_node = orig_hash_find(bat_priv, bcast_packet->orig);
@@ -234,7 +234,7 @@ int add_bcast_packet_to_list(struct bat_priv *bat_priv,
/* as we have a copy now, it is safe to decrease the TTL */
bcast_packet = (struct bcast_packet *)newskb->data;
- bcast_packet->ttl--;
+ bcast_packet->header.ttl--;
skb_reset_mac_header(newskb);
@@ -457,10 +457,10 @@ static void softif_batman_recv(struct sk_buff *skb, struct net_device *dev,
batman_ogm_packet = (struct batman_ogm_packet *)
(skb->data + ETH_HLEN);
- if (batman_ogm_packet->version != COMPAT_VERSION)
+ if (batman_ogm_packet->header.version != COMPAT_VERSION)
goto out;
- if (batman_ogm_packet->packet_type != BAT_OGM)
+ if (batman_ogm_packet->header.packet_type != BAT_OGM)
goto out;
if (!(batman_ogm_packet->flags & PRIMARIES_FIRST_HOP))
@@ -632,11 +632,11 @@ static int interface_tx(struct sk_buff *skb, struct net_device *soft_iface)
goto dropped;
bcast_packet = (struct bcast_packet *)skb->data;
- bcast_packet->version = COMPAT_VERSION;
- bcast_packet->ttl = TTL;
+ bcast_packet->header.version = COMPAT_VERSION;
+ bcast_packet->header.ttl = TTL;
/* batman packet type: broadcast */
- bcast_packet->packet_type = BAT_BCAST;
+ bcast_packet->header.packet_type = BAT_BCAST;
/* hw address of first interface is the orig mac because only
* this mac is known throughout the mesh */
@@ -725,8 +725,8 @@ void interface_rx(struct net_device *soft_iface,
skb_push(skb, hdr_size);
unicast_packet = (struct unicast_packet *)skb->data;
- if ((unicast_packet->packet_type != BAT_UNICAST) &&
- (unicast_packet->packet_type != BAT_UNICAST_FRAG))
+ if ((unicast_packet->header.packet_type != BAT_UNICAST) &&
+ (unicast_packet->header.packet_type != BAT_UNICAST_FRAG))
goto dropped;
skb_reset_mac_header(skb);
@@ -1135,11 +1135,11 @@ static int send_tt_request(struct bat_priv *bat_priv,
tt_request = (struct tt_query_packet *)skb_put(skb,
sizeof(struct tt_query_packet));
- tt_request->packet_type = BAT_TT_QUERY;
- tt_request->version = COMPAT_VERSION;
+ tt_request->header.packet_type = BAT_TT_QUERY;
+ tt_request->header.version = COMPAT_VERSION;
memcpy(tt_request->src, primary_if->net_dev->dev_addr, ETH_ALEN);
memcpy(tt_request->dst, dst_orig_node->orig, ETH_ALEN);
- tt_request->ttl = TTL;
+ tt_request->header.ttl = TTL;
tt_request->ttvn = ttvn;
tt_request->tt_data = tt_crc;
tt_request->flags = TT_REQUEST;
@@ -1265,9 +1265,9 @@ static bool send_other_tt_response(struct bat_priv *bat_priv,
tt_response = (struct tt_query_packet *)skb->data;
}
- tt_response->packet_type = BAT_TT_QUERY;
- tt_response->version = COMPAT_VERSION;
- tt_response->ttl = TTL;
+ tt_response->header.packet_type = BAT_TT_QUERY;
+ tt_response->header.version = COMPAT_VERSION;
+ tt_response->header.ttl = TTL;
memcpy(tt_response->src, req_dst_orig_node->orig, ETH_ALEN);
memcpy(tt_response->dst, tt_request->src, ETH_ALEN);
tt_response->flags = TT_RESPONSE;
@@ -1382,9 +1382,9 @@ static bool send_my_tt_response(struct bat_priv *bat_priv,
tt_response = (struct tt_query_packet *)skb->data;
}
- tt_response->packet_type = BAT_TT_QUERY;
- tt_response->version = COMPAT_VERSION;
- tt_response->ttl = TTL;
+ tt_response->header.packet_type = BAT_TT_QUERY;
+ tt_response->header.version = COMPAT_VERSION;
+ tt_response->header.ttl = TTL;
memcpy(tt_response->src, primary_if->net_dev->dev_addr, ETH_ALEN);
memcpy(tt_response->dst, tt_request->src, ETH_ALEN);
tt_response->flags = TT_RESPONSE;
@@ -1671,9 +1671,9 @@ void send_roam_adv(struct bat_priv *bat_priv, uint8_t *client,
roam_adv_packet = (struct roam_adv_packet *)skb_put(skb,
sizeof(struct roam_adv_packet));
- roam_adv_packet->packet_type = BAT_ROAM_ADV;
- roam_adv_packet->version = COMPAT_VERSION;
- roam_adv_packet->ttl = TTL;
+ roam_adv_packet->header.packet_type = BAT_ROAM_ADV;
+ roam_adv_packet->header.version = COMPAT_VERSION;
+ roam_adv_packet->header.ttl = TTL;
primary_if = primary_if_get_selected(bat_priv);
if (!primary_if)
goto out;
@@ -67,7 +67,7 @@ static struct sk_buff *frag_merge_packet(struct list_head *head,
memmove(skb->data + uni_diff, skb->data, hdr_len);
unicast_packet = (struct unicast_packet *) skb_pull(skb, uni_diff);
- unicast_packet->packet_type = BAT_UNICAST;
+ unicast_packet->header.packet_type = BAT_UNICAST;
return skb;
@@ -251,9 +251,9 @@ int frag_send_skb(struct sk_buff *skb, struct bat_priv *bat_priv,
memcpy(frag1, &tmp_uc, sizeof(tmp_uc));
- frag1->ttl--;
- frag1->version = COMPAT_VERSION;
- frag1->packet_type = BAT_UNICAST_FRAG;
+ frag1->header.ttl--;
+ frag1->header.version = COMPAT_VERSION;
+ frag1->header.packet_type = BAT_UNICAST_FRAG;
memcpy(frag1->orig, primary_if->net_dev->dev_addr, ETH_ALEN);
memcpy(frag2, frag1, sizeof(*frag2));
@@ -320,11 +320,11 @@ find_router:
unicast_packet = (struct unicast_packet *)skb->data;
- unicast_packet->version = COMPAT_VERSION;
+ unicast_packet->header.version = COMPAT_VERSION;
/* batman packet type: unicast */
- unicast_packet->packet_type = BAT_UNICAST;
+ unicast_packet->header.packet_type = BAT_UNICAST;
/* set unicast ttl */
- unicast_packet->ttl = TTL;
+ unicast_packet->header.ttl = TTL;
/* copy the destination for faster routing */
memcpy(unicast_packet->dest, orig_node->orig, ETH_ALEN);
/* set the destination tt version number */
@@ -335,7 +335,7 @@ find_router:
data_len + sizeof(*unicast_packet) >
neigh_node->if_incoming->net_dev->mtu) {
/* send frag skb decreases ttl */
- unicast_packet->ttl++;
+ unicast_packet->header.ttl++;
ret = frag_send_skb(skb, bat_priv,
neigh_node->if_incoming, neigh_node->addr);
goto out;
@@ -617,7 +617,7 @@ static int generate_vis_packet(struct bat_priv *bat_priv)
packet->vis_type = atomic_read(&bat_priv->vis_mode);
memcpy(packet->target_orig, broadcast_addr, ETH_ALEN);
- packet->ttl = TTL;
+ packet->header.ttl = TTL;
packet->seqno = htonl(ntohl(packet->seqno) + 1);
packet->entries = 0;
skb_trim(info->skb_packet, sizeof(*packet));
@@ -818,19 +818,19 @@ static void send_vis_packet(struct bat_priv *bat_priv, struct vis_info *info)
goto out;
packet = (struct vis_packet *)info->skb_packet->data;
- if (packet->ttl < 2) {
+ if (packet->header.ttl < 2) {
pr_debug("Error - can't send vis packet: ttl exceeded\n");
goto out;
}
memcpy(packet->sender_orig, primary_if->net_dev->dev_addr, ETH_ALEN);
- packet->ttl--;
+ packet->header.ttl--;
if (is_broadcast_ether_addr(packet->target_orig))
broadcast_vis_packet(bat_priv, info);
else
unicast_vis_packet(bat_priv, info);
- packet->ttl++; /* restore TTL */
+ packet->header.ttl++; /* restore TTL */
out:
if (primary_if)
@@ -910,9 +910,9 @@ int vis_init(struct bat_priv *bat_priv)
INIT_LIST_HEAD(&bat_priv->my_vis_info->send_list);
kref_init(&bat_priv->my_vis_info->refcount);
bat_priv->my_vis_info->bat_priv = bat_priv;
- packet->version = COMPAT_VERSION;
- packet->packet_type = BAT_VIS;
- packet->ttl = TTL;
+ packet->header.version = COMPAT_VERSION;
+ packet->header.packet_type = BAT_VIS;
+ packet->header.ttl = TTL;
packet->seqno = 0;
packet->entries = 0;