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Commit 76e3d7fc authored by Marek Lindner's avatar Marek Lindner Committed by Antonio Quartulli
Browse files

batman-adv: rename BATMAN_OGM_LEN to BATMAN_OGM_HLEN 



Using BATMAN_OGM_LEN leaves one with the impression that this is
the full packet size which is not the case. Therefore the variable
is renamed.

Signed-off-by: default avatarMarek Lindner <lindner_marek@yahoo.de>
Signed-off-by: default avatarAntonio Quartulli <ordex@autistici.org>
parent cd8b78e7

net/batman-adv/bat_iv_ogm.c

+6 −6
Original line number Diff line number Diff line
@@ -40,7 +40,7 @@ static int bat_iv_ogm_iface_enable(struct hard_iface *hard_iface) 
	get_random_bytes(&random_seqno, sizeof(random_seqno));

	atomic_set(&hard_iface->seqno, random_seqno);



	hard_iface->packet_len = BATMAN_OGM_LEN;

	hard_iface->packet_len = BATMAN_OGM_HLEN;

	hard_iface->packet_buff = kmalloc(hard_iface->packet_len, GFP_ATOMIC);



	if (!hard_iface->packet_buff)
@@ -112,7 +112,7 @@ static uint8_t hop_penalty(uint8_t tq, const struct bat_priv *bat_priv) 
static int bat_iv_ogm_aggr_packet(int buff_pos, int packet_len,

				  int tt_num_changes)

{

	int next_buff_pos = buff_pos + BATMAN_OGM_LEN + tt_len(tt_num_changes);

	int next_buff_pos = buff_pos + BATMAN_OGM_HLEN + tt_len(tt_num_changes);



	return (next_buff_pos <= packet_len) &&

		(next_buff_pos <= MAX_AGGREGATION_BYTES);
@@ -162,7 +162,7 @@ static void bat_iv_ogm_send_to_if(struct forw_packet *forw_packet, 
			batman_ogm_packet->ttvn, hard_iface->net_dev->name,

			hard_iface->net_dev->dev_addr);



		buff_pos += BATMAN_OGM_LEN +

		buff_pos += BATMAN_OGM_HLEN +

				tt_len(batman_ogm_packet->tt_num_changes);

		packet_num++;

		batman_ogm_packet = (struct batman_ogm_packet *)
@@ -540,7 +540,7 @@ static void bat_iv_ogm_forward(struct orig_node *orig_node, 
		batman_ogm_packet->flags &= ~DIRECTLINK;



	bat_iv_ogm_queue_add(bat_priv, (unsigned char *)batman_ogm_packet,

			     BATMAN_OGM_LEN + tt_len(tt_num_changes),

			     BATMAN_OGM_HLEN + tt_len(tt_num_changes),

			     if_incoming, 0, bat_iv_ogm_fwd_send_time());

}
@@ -1173,12 +1173,12 @@ static void bat_iv_ogm_receive(struct hard_iface *if_incoming, 
		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 + BATMAN_OGM_LEN;

		tt_buff = packet_buff + buff_pos + BATMAN_OGM_HLEN;



		bat_iv_ogm_process(ethhdr, batman_ogm_packet,

				   tt_buff, if_incoming);



		buff_pos += BATMAN_OGM_LEN +

		buff_pos += BATMAN_OGM_HLEN +

				tt_len(batman_ogm_packet->tt_num_changes);



		batman_ogm_packet = (struct batman_ogm_packet *)

net/batman-adv/packet.h

+1 −1
Original line number Diff line number Diff line
@@ -126,7 +126,7 @@ struct batman_ogm_packet { 
	uint16_t tt_crc;

} __packed;



#define BATMAN_OGM_LEN sizeof(struct batman_ogm_packet)

#define BATMAN_OGM_HLEN sizeof(struct batman_ogm_packet)



struct icmp_packet {

	struct batman_header header;

net/batman-adv/routing.c

+1 −1
Original line number Diff line number Diff line
@@ -254,7 +254,7 @@ int recv_bat_ogm_packet(struct sk_buff *skb, struct hard_iface *hard_iface) 
	struct ethhdr *ethhdr;



	/* drop packet if it has not necessary minimum size */

	if (unlikely(!pskb_may_pull(skb, BATMAN_OGM_LEN)))

	if (unlikely(!pskb_may_pull(skb, BATMAN_OGM_HLEN)))

		return NET_RX_DROP;



	ethhdr = (struct ethhdr *)skb_mac_header(skb);

net/batman-adv/send.c

+6 −6
Original line number Diff line number Diff line
@@ -87,7 +87,7 @@ static void realloc_packet_buffer(struct hard_iface *hard_iface, 
	/* keep old buffer if kmalloc should fail */

	if (new_buff) {

		memcpy(new_buff, hard_iface->packet_buff,

		       BATMAN_OGM_LEN);

		       BATMAN_OGM_HLEN);



		kfree(hard_iface->packet_buff);

		hard_iface->packet_buff = new_buff;
@@ -101,13 +101,13 @@ static int prepare_packet_buffer(struct bat_priv *bat_priv, 
{

	int new_len;



	new_len = BATMAN_OGM_LEN +

	new_len = BATMAN_OGM_HLEN +

		  tt_len((uint8_t)atomic_read(&bat_priv->tt_local_changes));



	/* if we have too many changes for one packet don't send any

	 * and wait for the tt table request which will be fragmented */

	if (new_len > hard_iface->soft_iface->mtu)

		new_len = BATMAN_OGM_LEN;

		new_len = BATMAN_OGM_HLEN;



	realloc_packet_buffer(hard_iface, new_len);
@@ -117,14 +117,14 @@ static int prepare_packet_buffer(struct bat_priv *bat_priv, 
	atomic_set(&bat_priv->tt_ogm_append_cnt, TT_OGM_APPEND_MAX);



	return tt_changes_fill_buffer(bat_priv,

				      hard_iface->packet_buff + BATMAN_OGM_LEN,

				      hard_iface->packet_len - BATMAN_OGM_LEN);

				      hard_iface->packet_buff + BATMAN_OGM_HLEN,

				      hard_iface->packet_len - BATMAN_OGM_HLEN);

}



static int reset_packet_buffer(struct bat_priv *bat_priv,

				struct hard_iface *hard_iface)

{

	realloc_packet_buffer(hard_iface, BATMAN_OGM_LEN);

	realloc_packet_buffer(hard_iface, BATMAN_OGM_HLEN);

	return 0;

}