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Commit 948fa2d1 authored by Erik Hugne's avatar Erik Hugne Committed by David S. Miller
Browse files

tipc: increase size of tipc discovery messages 



The payload area following the TIPC discovery message header is an
opaque area defined by the media. INT_H_SIZE was enough for
Ethernet/IB/IPv4 but needs to be expanded to carry IPv6 addressing
information.

Signed-off-by: default avatarErik Hugne <erik.hugne@ericsson.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 33f8b9ec

net/tipc/discover.c

+3 −4
Original line number Diff line number Diff line
@@ -86,7 +86,7 @@ static void tipc_disc_init_msg(struct net *net, struct sk_buff *buf, u32 type, 


	msg = buf_msg(buf);

	tipc_msg_init(tn->own_addr, msg, LINK_CONFIG, type,

		      INT_H_SIZE, dest_domain);

		      MAX_H_SIZE, dest_domain);

	msg_set_non_seq(msg, 1);

	msg_set_node_sig(msg, tn->random);

	msg_set_dest_domain(msg, dest_domain);
@@ -249,7 +249,7 @@ void tipc_disc_rcv(struct net *net, struct sk_buff *buf, 


	/* Send response, if necessary */

	if (respond && (mtyp == DSC_REQ_MSG)) {

		rbuf = tipc_buf_acquire(INT_H_SIZE);

		rbuf = tipc_buf_acquire(MAX_H_SIZE);

		if (rbuf) {

			tipc_disc_init_msg(net, rbuf, DSC_RESP_MSG, bearer);

			tipc_bearer_send(net, bearer->identity, rbuf, &maddr);
@@ -359,8 +359,7 @@ int tipc_disc_create(struct net *net, struct tipc_bearer *b_ptr, 
	req = kmalloc(sizeof(*req), GFP_ATOMIC);

	if (!req)

		return -ENOMEM;



	req->buf = tipc_buf_acquire(INT_H_SIZE);

	req->buf = tipc_buf_acquire(MAX_H_SIZE);

	if (!req->buf) {

		kfree(req);

		return -ENOMEM;