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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: Erik Hugne <erik.hugne@ericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Erik Hugne 2015-03-05 10:23:48 +01:00 committed by David S. Miller
parent 33f8b9ecdb
commit 948fa2d115
1 changed files with 3 additions and 4 deletions
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7
net/tipc/discover.c
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@ -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;