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-rw-r--r--net/tipc/eth_media.c11
-rw-r--r--net/tipc/handler.c2
-rw-r--r--net/tipc/link.c16
-rw-r--r--net/tipc/name_table.c3
-rw-r--r--net/tipc/port.c10
-rw-r--r--net/tipc/port.h6
-rw-r--r--net/tipc/socket.c80
7 files changed, 54 insertions, 74 deletions
diff --git a/net/tipc/eth_media.c b/net/tipc/eth_media.c
index 77d2d9ce8962..711ca4b1f051 100644
--- a/net/tipc/eth_media.c
+++ b/net/tipc/eth_media.c
@@ -1,8 +1,8 @@
/*
* net/tipc/eth_media.c: Ethernet bearer support for TIPC
*
- * Copyright (c) 2001-2006, Ericsson AB
- * Copyright (c) 2005-2006, Wind River Systems
+ * Copyright (c) 2001-2007, Ericsson AB
+ * Copyright (c) 2005-2007, Wind River Systems
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -87,6 +87,9 @@ static int send_msg(struct sk_buff *buf, struct tipc_bearer *tb_ptr,
/**
* recv_msg - handle incoming TIPC message from an Ethernet interface
*
+ * Accept only packets explicitly sent to this node, or broadcast packets;
+ * ignores packets sent using Ethernet multicast, and traffic sent to other
+ * nodes (which can happen if interface is running in promiscuous mode).
* Routine truncates any Ethernet padding/CRC appended to the message,
* and ensures message size matches actual length
*/
@@ -98,9 +101,7 @@ static int recv_msg(struct sk_buff *buf, struct net_device *dev,
u32 size;
if (likely(eb_ptr->bearer)) {
- if (likely(!dev->promiscuity) ||
- !memcmp(skb_mac_header(buf), dev->dev_addr, ETH_ALEN) ||
- !memcmp(skb_mac_header(buf), dev->broadcast, ETH_ALEN)) {
+ if (likely(buf->pkt_type <= PACKET_BROADCAST)) {
size = msg_size((struct tipc_msg *)buf->data);
skb_trim(buf, size);
if (likely(buf->len == size)) {
diff --git a/net/tipc/handler.c b/net/tipc/handler.c
index e1dcf663f8a6..0c70010a7dfe 100644
--- a/net/tipc/handler.c
+++ b/net/tipc/handler.c
@@ -97,7 +97,7 @@ int tipc_handler_start(void)
{
tipc_queue_item_cache =
kmem_cache_create("tipc_queue_items", sizeof(struct queue_item),
- 0, SLAB_HWCACHE_ALIGN, NULL, NULL);
+ 0, SLAB_HWCACHE_ALIGN, NULL);
if (!tipc_queue_item_cache)
return -ENOMEM;
diff --git a/net/tipc/link.c b/net/tipc/link.c
index 2124f32ef29f..5adfdfd49d61 100644
--- a/net/tipc/link.c
+++ b/net/tipc/link.c
@@ -1,8 +1,8 @@
/*
* net/tipc/link.c: TIPC link code
*
- * Copyright (c) 1996-2006, Ericsson AB
- * Copyright (c) 2004-2006, Wind River Systems
+ * Copyright (c) 1996-2007, Ericsson AB
+ * Copyright (c) 2004-2007, Wind River Systems
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -1260,7 +1260,7 @@ again:
* (Must not hold any locks while building message.)
*/
- res = msg_build(hdr, msg_sect, num_sect, sender->max_pkt,
+ res = msg_build(hdr, msg_sect, num_sect, sender->publ.max_pkt,
!sender->user_port, &buf);
read_lock_bh(&tipc_net_lock);
@@ -1271,7 +1271,7 @@ again:
if (likely(l_ptr)) {
if (likely(buf)) {
res = link_send_buf_fast(l_ptr, buf,
- &sender->max_pkt);
+ &sender->publ.max_pkt);
if (unlikely(res < 0))
buf_discard(buf);
exit:
@@ -1299,12 +1299,12 @@ exit:
* then re-try fast path or fragment the message
*/
- sender->max_pkt = link_max_pkt(l_ptr);
+ sender->publ.max_pkt = link_max_pkt(l_ptr);
tipc_node_unlock(node);
read_unlock_bh(&tipc_net_lock);
- if ((msg_hdr_sz(hdr) + res) <= sender->max_pkt)
+ if ((msg_hdr_sz(hdr) + res) <= sender->publ.max_pkt)
goto again;
return link_send_sections_long(sender, msg_sect,
@@ -1357,7 +1357,7 @@ static int link_send_sections_long(struct port *sender,
again:
fragm_no = 1;
- max_pkt = sender->max_pkt - INT_H_SIZE;
+ max_pkt = sender->publ.max_pkt - INT_H_SIZE;
/* leave room for tunnel header in case of link changeover */
fragm_sz = max_pkt - INT_H_SIZE;
/* leave room for fragmentation header in each fragment */
@@ -1463,7 +1463,7 @@ error:
goto reject;
}
if (link_max_pkt(l_ptr) < max_pkt) {
- sender->max_pkt = link_max_pkt(l_ptr);
+ sender->publ.max_pkt = link_max_pkt(l_ptr);
tipc_node_unlock(node);
for (; buf_chain; buf_chain = buf) {
buf = buf_chain->next;
diff --git a/net/tipc/name_table.c b/net/tipc/name_table.c
index 9dfc9127acdd..d8473eefcd23 100644
--- a/net/tipc/name_table.c
+++ b/net/tipc/name_table.c
@@ -1052,12 +1052,11 @@ int tipc_nametbl_init(void)
{
int array_size = sizeof(struct hlist_head) * tipc_nametbl_size;
- table.types = kmalloc(array_size, GFP_ATOMIC);
+ table.types = kzalloc(array_size, GFP_ATOMIC);
if (!table.types)
return -ENOMEM;
write_lock_bh(&tipc_nametbl_lock);
- memset(table.types, 0, array_size);
table.local_publ_count = 0;
write_unlock_bh(&tipc_nametbl_lock);
return 0;
diff --git a/net/tipc/port.c b/net/tipc/port.c
index bcd5da00737b..5d2b9ce84d0a 100644
--- a/net/tipc/port.c
+++ b/net/tipc/port.c
@@ -1,8 +1,8 @@
/*
* net/tipc/port.c: TIPC port code
*
- * Copyright (c) 1992-2006, Ericsson AB
- * Copyright (c) 2004-2005, Wind River Systems
+ * Copyright (c) 1992-2007, Ericsson AB
+ * Copyright (c) 2004-2007, Wind River Systems
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -239,6 +239,8 @@ u32 tipc_createport_raw(void *usr_handle,
}
tipc_port_lock(ref);
+ p_ptr->publ.usr_handle = usr_handle;
+ p_ptr->publ.max_pkt = MAX_PKT_DEFAULT;
p_ptr->publ.ref = ref;
msg = &p_ptr->publ.phdr;
msg_init(msg, DATA_LOW, TIPC_NAMED_MSG, TIPC_OK, LONG_H_SIZE, 0);
@@ -248,11 +250,9 @@ u32 tipc_createport_raw(void *usr_handle,
msg_set_importance(msg,importance);
p_ptr->last_in_seqno = 41;
p_ptr->sent = 1;
- p_ptr->publ.usr_handle = usr_handle;
INIT_LIST_HEAD(&p_ptr->wait_list);
INIT_LIST_HEAD(&p_ptr->subscription.nodesub_list);
p_ptr->congested_link = NULL;
- p_ptr->max_pkt = MAX_PKT_DEFAULT;
p_ptr->dispatcher = dispatcher;
p_ptr->wakeup = wakeup;
p_ptr->user_port = NULL;
@@ -1243,7 +1243,7 @@ int tipc_connect2port(u32 ref, struct tipc_portid const *peer)
res = TIPC_OK;
exit:
tipc_port_unlock(p_ptr);
- p_ptr->max_pkt = tipc_link_get_max_pkt(peer->node, ref);
+ p_ptr->publ.max_pkt = tipc_link_get_max_pkt(peer->node, ref);
return res;
}
diff --git a/net/tipc/port.h b/net/tipc/port.h
index 7ef4d64b32f7..e5f8c16429bd 100644
--- a/net/tipc/port.h
+++ b/net/tipc/port.h
@@ -1,8 +1,8 @@
/*
* net/tipc/port.h: Include file for TIPC port code
*
- * Copyright (c) 1994-2006, Ericsson AB
- * Copyright (c) 2004-2005, Wind River Systems
+ * Copyright (c) 1994-2007, Ericsson AB
+ * Copyright (c) 2004-2007, Wind River Systems
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -81,7 +81,6 @@ struct user_port {
* @acked:
* @publications: list of publications for port
* @pub_count: total # of publications port has made during its lifetime
- * @max_pkt: maximum packet size "hint" used when building messages sent by port
* @probing_state:
* @probing_interval:
* @last_in_seqno:
@@ -102,7 +101,6 @@ struct port {
u32 acked;
struct list_head publications;
u32 pub_count;
- u32 max_pkt;
u32 probing_state;
u32 probing_interval;
u32 last_in_seqno;
diff --git a/net/tipc/socket.c b/net/tipc/socket.c
index 45832fb75ea4..84110172031e 100644
--- a/net/tipc/socket.c
+++ b/net/tipc/socket.c
@@ -1,8 +1,8 @@
/*
* net/tipc/socket.c: TIPC socket API
*
- * Copyright (c) 2001-2006, Ericsson AB
- * Copyright (c) 2004-2006, Wind River Systems
+ * Copyright (c) 2001-2007, Ericsson AB
+ * Copyright (c) 2004-2007, Wind River Systems
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -607,23 +607,24 @@ exit:
static int send_stream(struct kiocb *iocb, struct socket *sock,
struct msghdr *m, size_t total_len)
{
+ struct tipc_port *tport;
struct msghdr my_msg;
struct iovec my_iov;
struct iovec *curr_iov;
int curr_iovlen;
char __user *curr_start;
+ u32 hdr_size;
int curr_left;
int bytes_to_send;
int bytes_sent;
int res;
- if (likely(total_len <= TIPC_MAX_USER_MSG_SIZE))
- return send_packet(iocb, sock, m, total_len);
-
- /* Can only send large data streams if already connected */
+ /* Handle special cases where there is no connection */
if (unlikely(sock->state != SS_CONNECTED)) {
- if (sock->state == SS_DISCONNECTING)
+ if (sock->state == SS_UNCONNECTED)
+ return send_packet(iocb, sock, m, total_len);
+ else if (sock->state == SS_DISCONNECTING)
return -EPIPE;
else
return -ENOTCONN;
@@ -648,17 +649,25 @@ static int send_stream(struct kiocb *iocb, struct socket *sock,
my_msg.msg_name = NULL;
bytes_sent = 0;
+ tport = tipc_sk(sock->sk)->p;
+ hdr_size = msg_hdr_sz(&tport->phdr);
+
while (curr_iovlen--) {
curr_start = curr_iov->iov_base;
curr_left = curr_iov->iov_len;
while (curr_left) {
- bytes_to_send = (curr_left < TIPC_MAX_USER_MSG_SIZE)
- ? curr_left : TIPC_MAX_USER_MSG_SIZE;
+ bytes_to_send = tport->max_pkt - hdr_size;
+ if (bytes_to_send > TIPC_MAX_USER_MSG_SIZE)
+ bytes_to_send = TIPC_MAX_USER_MSG_SIZE;
+ if (curr_left < bytes_to_send)
+ bytes_to_send = curr_left;
my_iov.iov_base = curr_start;
my_iov.iov_len = bytes_to_send;
if ((res = send_packet(iocb, sock, &my_msg, 0)) < 0) {
- return bytes_sent ? bytes_sent : res;
+ if (bytes_sent != 0)
+ res = bytes_sent;
+ return res;
}
curr_left -= bytes_to_send;
curr_start += bytes_to_send;
@@ -1600,33 +1609,6 @@ static int getsockopt(struct socket *sock,
}
/**
- * Placeholders for non-implemented functionality
- *
- * Returns error code (POSIX-compliant where defined)
- */
-
-static int ioctl(struct socket *s, u32 cmd, unsigned long arg)
-{
- return -EINVAL;
-}
-
-static int no_mmap(struct file *file, struct socket *sock,
- struct vm_area_struct *vma)
-{
- return -EINVAL;
-}
-static ssize_t no_sendpage(struct socket *sock, struct page *page,
- int offset, size_t size, int flags)
-{
- return -EINVAL;
-}
-
-static int no_skpair(struct socket *s1, struct socket *s2)
-{
- return -EOPNOTSUPP;
-}
-
-/**
* Protocol switches for the various types of TIPC sockets
*/
@@ -1636,19 +1618,19 @@ static struct proto_ops msg_ops = {
.release = release,
.bind = bind,
.connect = connect,
- .socketpair = no_skpair,
+ .socketpair = sock_no_socketpair,
.accept = accept,
.getname = get_name,
.poll = poll,
- .ioctl = ioctl,
+ .ioctl = sock_no_ioctl,
.listen = listen,
.shutdown = shutdown,
.setsockopt = setsockopt,
.getsockopt = getsockopt,
.sendmsg = send_msg,
.recvmsg = recv_msg,
- .mmap = no_mmap,
- .sendpage = no_sendpage
+ .mmap = sock_no_mmap,
+ .sendpage = sock_no_sendpage
};
static struct proto_ops packet_ops = {
@@ -1657,19 +1639,19 @@ static struct proto_ops packet_ops = {
.release = release,
.bind = bind,
.connect = connect,
- .socketpair = no_skpair,
+ .socketpair = sock_no_socketpair,
.accept = accept,
.getname = get_name,
.poll = poll,
- .ioctl = ioctl,
+ .ioctl = sock_no_ioctl,
.listen = listen,
.shutdown = shutdown,
.setsockopt = setsockopt,
.getsockopt = getsockopt,
.sendmsg = send_packet,
.recvmsg = recv_msg,
- .mmap = no_mmap,
- .sendpage = no_sendpage
+ .mmap = sock_no_mmap,
+ .sendpage = sock_no_sendpage
};
static struct proto_ops stream_ops = {
@@ -1678,19 +1660,19 @@ static struct proto_ops stream_ops = {
.release = release,
.bind = bind,
.connect = connect,
- .socketpair = no_skpair,
+ .socketpair = sock_no_socketpair,
.accept = accept,
.getname = get_name,
.poll = poll,
- .ioctl = ioctl,
+ .ioctl = sock_no_ioctl,
.listen = listen,
.shutdown = shutdown,
.setsockopt = setsockopt,
.getsockopt = getsockopt,
.sendmsg = send_stream,
.recvmsg = recv_stream,
- .mmap = no_mmap,
- .sendpage = no_sendpage
+ .mmap = sock_no_mmap,
+ .sendpage = sock_no_sendpage
};
static struct net_proto_family tipc_family_ops = {
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.