batman-adv: rename all instances of batman_packet to batman_ogm_packet

The follow-up routing code changes are going to introduce additional
routing packet types which make this distinction necessary.

Signed-off-by: Marek Lindner <lindner_marek@yahoo.de>

net/batman-adv/aggregation.c

@@ -27,16 +27,17 @@
 #include "hard-interface.h"
 
 /* return true if new_packet can be aggregated with forw_packet */
-static bool can_aggregate_with(const struct batman_packet *new_batman_packet,
+static bool can_aggregate_with(const struct batman_ogm_packet
+							*new_batman_ogm_packet,
 			       struct bat_priv *bat_priv,
 			       int packet_len,
 			       unsigned long send_time,
 			       bool directlink,
 			       const struct hard_iface *if_incoming,
 			       const struct forw_packet *forw_packet)
 {
-	struct batman_packet *batman_packet =
-		(struct batman_packet *)forw_packet->skb->data;
+	struct batman_ogm_packet *batman_ogm_packet =
+			(struct batman_ogm_packet *)forw_packet->skb->data;
 	int aggregated_bytes = forw_packet->packet_len + packet_len;
 	struct hard_iface *primary_if = NULL;
 	bool res = false;
@@ -71,8 +72,8 @@ static bool can_aggregate_with(const struct batman_packet *new_batman_packet,
 		/* packets without direct link flag and high TTL
 		 * are flooded through the net  */
 		if ((!directlink) &&
-		    (!(batman_packet->flags & DIRECTLINK)) &&
-		    (batman_packet->ttl != 1) &&
+		    (!(batman_ogm_packet->flags & DIRECTLINK)) &&
+		    (batman_ogm_packet->ttl != 1) &&
 
 		    /* own packets originating non-primary
 		     * interfaces leave only that interface */
@@ -85,13 +86,13 @@ static bool can_aggregate_with(const struct batman_packet *new_batman_packet,
 		/* if the incoming packet is sent via this one
 		 * interface only - we still can aggregate */
 		if ((directlink) &&
-		    (new_batman_packet->ttl == 1) &&
+		    (new_batman_ogm_packet->ttl == 1) &&
 		    (forw_packet->if_incoming == if_incoming) &&
 
 		    /* packets from direct neighbors or
 		     * own secondary interface packets
 		     * (= secondary interface packets in general) */
-		    (batman_packet->flags & DIRECTLINK ||
+		    (batman_ogm_packet->flags & DIRECTLINK ||
 		     (forw_packet->own &&
 		      forw_packet->if_incoming != primary_if))) {
 			res = true;
@@ -213,17 +214,19 @@ void add_bat_packet_to_list(struct bat_priv *bat_priv,
 	 */
 	struct forw_packet *forw_packet_aggr = NULL, *forw_packet_pos = NULL;
 	struct hlist_node *tmp_node;
-	struct batman_packet *batman_packet =
-		(struct batman_packet *)packet_buff;
-	bool direct_link = batman_packet->flags & DIRECTLINK ? 1 : 0;
+	struct batman_ogm_packet *batman_ogm_packet;
+	bool direct_link;
+
+	batman_ogm_packet = (struct batman_ogm_packet *)packet_buff;
+	direct_link = batman_ogm_packet->flags & DIRECTLINK ? 1 : 0;
 
 	/* find position for the packet in the forward queue */
 	spin_lock_bh(&bat_priv->forw_bat_list_lock);
 	/* own packets are not to be aggregated */
 	if ((atomic_read(&bat_priv->aggregated_ogms)) && (!own_packet)) {
 		hlist_for_each_entry(forw_packet_pos, tmp_node,
 				     &bat_priv->forw_bat_list, list) {
-			if (can_aggregate_with(batman_packet,
+			if (can_aggregate_with(batman_ogm_packet,
 					       bat_priv,
 					       packet_len,
 					       send_time,
@@ -267,27 +270,28 @@ void receive_aggr_bat_packet(const struct ethhdr *ethhdr,
 			     unsigned char *packet_buff, int packet_len,
 			     struct hard_iface *if_incoming)
 {
-	struct batman_packet *batman_packet;
+	struct batman_ogm_packet *batman_ogm_packet;
 	int buff_pos = 0;
 	unsigned char *tt_buff;
 
-	batman_packet = (struct batman_packet *)packet_buff;
+	batman_ogm_packet = (struct batman_ogm_packet *)packet_buff;
 
 	do {
 		/* network to host order for our 32bit seqno and the
 		   orig_interval */
-		batman_packet->seqno = ntohl(batman_packet->seqno);
-		batman_packet->tt_crc = ntohs(batman_packet->tt_crc);
+		batman_ogm_packet->seqno = ntohl(batman_ogm_packet->seqno);
+		batman_ogm_packet->tt_crc = ntohs(batman_ogm_packet->tt_crc);
 
-		tt_buff = packet_buff + buff_pos + BAT_PACKET_LEN;
+		tt_buff = packet_buff + buff_pos + BATMAN_OGM_LEN;
 
-		receive_bat_packet(ethhdr, batman_packet, tt_buff, if_incoming);
+		receive_bat_packet(ethhdr, batman_ogm_packet,
+				   tt_buff, if_incoming);
 
-		buff_pos += BAT_PACKET_LEN +
-			tt_len(batman_packet->tt_num_changes);
+		buff_pos += BATMAN_OGM_LEN +
+				tt_len(batman_ogm_packet->tt_num_changes);
 
-		batman_packet = (struct batman_packet *)
-			(packet_buff + buff_pos);
+		batman_ogm_packet = (struct batman_ogm_packet *)
+						(packet_buff + buff_pos);
 	} while (aggregated_packet(buff_pos, packet_len,
-				   batman_packet->tt_num_changes));
+				   batman_ogm_packet->tt_num_changes));
 }

net/batman-adv/aggregation.h

@@ -28,7 +28,7 @@
 static inline int aggregated_packet(int buff_pos, int packet_len,
 				    int tt_num_changes)
 {
-	int next_buff_pos = buff_pos + BAT_PACKET_LEN + tt_len(tt_num_changes);
+	int next_buff_pos = buff_pos + BATMAN_OGM_LEN + tt_len(tt_num_changes);
 
 	return (next_buff_pos <= packet_len) &&
 		(next_buff_pos <= MAX_AGGREGATION_BYTES);

net/batman-adv/hard-interface.c

@@ -131,7 +131,7 @@ static void primary_if_select(struct bat_priv *bat_priv,
 			      struct hard_iface *new_hard_iface)
 {
 	struct hard_iface *curr_hard_iface;
-	struct batman_packet *batman_packet;
+	struct batman_ogm_packet *batman_ogm_packet;
 
 	ASSERT_RTNL();
 
@@ -147,9 +147,10 @@ static void primary_if_select(struct bat_priv *bat_priv,
 	if (!new_hard_iface)
 		return;
 
-	batman_packet = (struct batman_packet *)(new_hard_iface->packet_buff);
-	batman_packet->flags = PRIMARIES_FIRST_HOP;
-	batman_packet->ttl = TTL;
+	batman_ogm_packet = (struct batman_ogm_packet *)
+						(new_hard_iface->packet_buff);
+	batman_ogm_packet->flags = PRIMARIES_FIRST_HOP;
+	batman_ogm_packet->ttl = TTL;
 
 	primary_if_update_addr(bat_priv);
 }
@@ -164,9 +165,12 @@ static bool hardif_is_iface_up(const struct hard_iface *hard_iface)
 
 static void update_mac_addresses(struct hard_iface *hard_iface)
 {
-	memcpy(((struct batman_packet *)(hard_iface->packet_buff))->orig,
+	struct batman_ogm_packet *batman_ogm_packet;
+
+	batman_ogm_packet = (struct batman_ogm_packet *)hard_iface->packet_buff;
+	memcpy(batman_ogm_packet->orig,
 	       hard_iface->net_dev->dev_addr, ETH_ALEN);
-	memcpy(((struct batman_packet *)(hard_iface->packet_buff))->prev_sender,
+	memcpy(batman_ogm_packet->prev_sender,
 	       hard_iface->net_dev->dev_addr, ETH_ALEN);
 }
 
@@ -283,7 +287,7 @@ int hardif_enable_interface(struct hard_iface *hard_iface,
 			    const char *iface_name)
 {
 	struct bat_priv *bat_priv;
-	struct batman_packet *batman_packet;
+	struct batman_ogm_packet *batman_ogm_packet;
 	struct net_device *soft_iface;
 	int ret;
 
@@ -318,7 +322,7 @@ int hardif_enable_interface(struct hard_iface *hard_iface,
 
 	hard_iface->soft_iface = soft_iface;
 	bat_priv = netdev_priv(hard_iface->soft_iface);
-	hard_iface->packet_len = BAT_PACKET_LEN;
+	hard_iface->packet_len = BATMAN_OGM_LEN;
 	hard_iface->packet_buff = kmalloc(hard_iface->packet_len, GFP_ATOMIC);
 
 	if (!hard_iface->packet_buff) {
@@ -328,14 +332,15 @@ int hardif_enable_interface(struct hard_iface *hard_iface,
 		goto err;
 	}
 
-	batman_packet = (struct batman_packet *)(hard_iface->packet_buff);
-	batman_packet->packet_type = BAT_PACKET;
-	batman_packet->version = COMPAT_VERSION;
-	batman_packet->flags = NO_FLAGS;
-	batman_packet->ttl = 2;
-	batman_packet->tq = TQ_MAX_VALUE;
-	batman_packet->tt_num_changes = 0;
-	batman_packet->ttvn = 0;
+	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->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;
 
 	hard_iface->if_num = bat_priv->num_ifaces;
 	bat_priv->num_ifaces++;
@@ -580,7 +585,7 @@ static int batman_skb_recv(struct sk_buff *skb, struct net_device *dev,
 			   struct net_device *orig_dev)
 {
 	struct bat_priv *bat_priv;
-	struct batman_packet *batman_packet;
+	struct batman_ogm_packet *batman_ogm_packet;
 	struct hard_iface *hard_iface;
 	int ret;
 
@@ -612,21 +617,21 @@ static int batman_skb_recv(struct sk_buff *skb, struct net_device *dev,
 	if (hard_iface->if_status != IF_ACTIVE)
 		goto err_free;
 
-	batman_packet = (struct batman_packet *)skb->data;
+	batman_ogm_packet = (struct batman_ogm_packet *)skb->data;
 
-	if (batman_packet->version != COMPAT_VERSION) {
+	if (batman_ogm_packet->version != COMPAT_VERSION) {
 		bat_dbg(DBG_BATMAN, bat_priv,
 			"Drop packet: incompatible batman version (%i)\n",
-			batman_packet->version);
+			batman_ogm_packet->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_packet->packet_type) {
+	switch (batman_ogm_packet->packet_type) {
 		/* batman originator packet */
-	case BAT_PACKET:
+	case BAT_OGM:
 		ret = recv_bat_packet(skb, hard_iface);
 		break;
 

net/batman-adv/packet.h

@@ -25,14 +25,14 @@
 #define ETH_P_BATMAN  0x4305	/* unofficial/not registered Ethertype */
 
 enum bat_packettype {
-	BAT_PACKET       = 0x01,
-	BAT_ICMP         = 0x02,
-	BAT_UNICAST      = 0x03,
-	BAT_BCAST        = 0x04,
-	BAT_VIS          = 0x05,
+	BAT_OGM		 = 0x01,
+	BAT_ICMP	 = 0x02,
+	BAT_UNICAST	 = 0x03,
+	BAT_BCAST	 = 0x04,
+	BAT_VIS		 = 0x05,
 	BAT_UNICAST_FRAG = 0x06,
-	BAT_TT_QUERY     = 0x07,
-	BAT_ROAM_ADV     = 0x08
+	BAT_TT_QUERY	 = 0x07,
+	BAT_ROAM_ADV	 = 0x08
 };
 
 /* this file is included by batctl which needs these defines */
@@ -90,7 +90,7 @@ enum tt_client_flags {
 	TT_CLIENT_PENDING = 1 << 10
 };
 
-struct batman_packet {
+struct batman_ogm_packet {
 	uint8_t  packet_type;
 	uint8_t  version;  /* batman version field */
 	uint8_t  ttl;
@@ -105,7 +105,7 @@ struct batman_packet {
 	uint16_t tt_crc;
 } __packed;
 
-#define BAT_PACKET_LEN sizeof(struct batman_packet)
+#define BATMAN_OGM_LEN sizeof(struct batman_ogm_packet)
 
 struct icmp_packet {
 	uint8_t  packet_type;