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Diffstat (limited to 'net/tipc')
-rw-r--r--net/tipc/config.c2
-rw-r--r--net/tipc/eth_media.c8
-rw-r--r--net/tipc/link.c48
-rw-r--r--net/tipc/msg.h18
-rw-r--r--net/tipc/netlink.c2
-rw-r--r--net/tipc/port.c8
-rw-r--r--net/tipc/socket.c2
7 files changed, 47 insertions, 41 deletions
diff --git a/net/tipc/config.c b/net/tipc/config.c
index 14789a82de5..c71337a22d3 100644
--- a/net/tipc/config.c
+++ b/net/tipc/config.c
@@ -89,7 +89,7 @@ struct sk_buff *tipc_cfg_reply_alloc(int payload_size)
int tipc_cfg_append_tlv(struct sk_buff *buf, int tlv_type,
void *tlv_data, int tlv_data_size)
{
- struct tlv_desc *tlv = (struct tlv_desc *)buf->tail;
+ struct tlv_desc *tlv = (struct tlv_desc *)skb_tail_pointer(buf);
int new_tlv_space = TLV_SPACE(tlv_data_size);
if (skb_tailroom(buf) < new_tlv_space) {
diff --git a/net/tipc/eth_media.c b/net/tipc/eth_media.c
index 9be4839e32c..67bb29b44d1 100644
--- a/net/tipc/eth_media.c
+++ b/net/tipc/eth_media.c
@@ -73,7 +73,7 @@ static int send_msg(struct sk_buff *buf, struct tipc_bearer *tb_ptr,
clone = skb_clone(buf, GFP_ATOMIC);
if (clone) {
- clone->nh.raw = clone->data;
+ skb_reset_network_header(clone);
dev = ((struct eth_bearer *)(tb_ptr->usr_handle))->dev;
clone->dev = dev;
dev->hard_header(clone, dev, ETH_P_TIPC,
@@ -99,8 +99,8 @@ static int recv_msg(struct sk_buff *buf, struct net_device *dev,
if (likely(eb_ptr->bearer)) {
if (likely(!dev->promiscuity) ||
- !memcmp(buf->mac.raw,dev->dev_addr,ETH_ALEN) ||
- !memcmp(buf->mac.raw,dev->broadcast,ETH_ALEN)) {
+ !memcmp(skb_mac_header(buf), dev->dev_addr, ETH_ALEN) ||
+ !memcmp(skb_mac_header(buf), dev->broadcast, ETH_ALEN)) {
size = msg_size((struct tipc_msg *)buf->data);
skb_trim(buf, size);
if (likely(buf->len == size)) {
@@ -140,7 +140,7 @@ static int enable_bearer(struct tipc_bearer *tb_ptr)
return -EDQUOT;
if (!eb_ptr->dev) {
eb_ptr->dev = dev;
- eb_ptr->tipc_packet_type.type = __constant_htons(ETH_P_TIPC);
+ eb_ptr->tipc_packet_type.type = htons(ETH_P_TIPC);
eb_ptr->tipc_packet_type.dev = dev;
eb_ptr->tipc_packet_type.func = recv_msg;
eb_ptr->tipc_packet_type.af_packet_priv = eb_ptr;
diff --git a/net/tipc/link.c b/net/tipc/link.c
index 71c2f2fd405..2124f32ef29 100644
--- a/net/tipc/link.c
+++ b/net/tipc/link.c
@@ -1001,7 +1001,7 @@ static int link_bundle_buf(struct link *l_ptr,
return 0;
skb_put(bundler, pad + size);
- memcpy(bundler->data + to_pos, buf->data, size);
+ skb_copy_to_linear_data_offset(bundler, to_pos, buf->data, size);
msg_set_size(bundler_msg, to_pos + size);
msg_set_msgcnt(bundler_msg, msg_msgcnt(bundler_msg) + 1);
dbg("Packed msg # %u(%u octets) into pos %u in buf(#%u)\n",
@@ -1109,8 +1109,8 @@ int tipc_link_send_buf(struct link *l_ptr, struct sk_buff *buf)
if (bundler) {
msg_init(&bundler_hdr, MSG_BUNDLER, OPEN_MSG,
TIPC_OK, INT_H_SIZE, l_ptr->addr);
- memcpy(bundler->data, (unchar *)&bundler_hdr,
- INT_H_SIZE);
+ skb_copy_to_linear_data(bundler, &bundler_hdr,
+ INT_H_SIZE);
skb_trim(bundler, INT_H_SIZE);
link_bundle_buf(l_ptr, bundler, buf);
buf = bundler;
@@ -1383,9 +1383,9 @@ again:
if (!buf)
return -ENOMEM;
buf->next = NULL;
- memcpy(buf->data, (unchar *)&fragm_hdr, INT_H_SIZE);
+ skb_copy_to_linear_data(buf, &fragm_hdr, INT_H_SIZE);
hsz = msg_hdr_sz(hdr);
- memcpy(buf->data + INT_H_SIZE, (unchar *)hdr, hsz);
+ skb_copy_to_linear_data_offset(buf, INT_H_SIZE, hdr, hsz);
msg_dbg(buf_msg(buf), ">BUILD>");
/* Chop up message: */
@@ -1416,8 +1416,8 @@ error:
return -EFAULT;
}
} else
- memcpy(buf->data + fragm_crs, sect_crs, sz);
-
+ skb_copy_to_linear_data_offset(buf, fragm_crs,
+ sect_crs, sz);
sect_crs += sz;
sect_rest -= sz;
fragm_crs += sz;
@@ -1442,7 +1442,7 @@ error:
buf->next = NULL;
prev->next = buf;
- memcpy(buf->data, (unchar *)&fragm_hdr, INT_H_SIZE);
+ skb_copy_to_linear_data(buf, &fragm_hdr, INT_H_SIZE);
fragm_crs = INT_H_SIZE;
fragm_rest = fragm_sz;
msg_dbg(buf_msg(buf)," >BUILD>");
@@ -2130,7 +2130,7 @@ void tipc_link_send_proto_msg(struct link *l_ptr, u32 msg_typ, int probe_msg,
buf = l_ptr->proto_msg_queue;
if (!buf)
return;
- memcpy(buf->data, (unchar *)msg, sizeof(l_ptr->proto_msg));
+ skb_copy_to_linear_data(buf, msg, sizeof(l_ptr->proto_msg));
return;
}
msg_set_timestamp(msg, jiffies_to_msecs(jiffies));
@@ -2143,7 +2143,7 @@ void tipc_link_send_proto_msg(struct link *l_ptr, u32 msg_typ, int probe_msg,
if (!buf)
return;
- memcpy(buf->data, (unchar *)msg, sizeof(l_ptr->proto_msg));
+ skb_copy_to_linear_data(buf, msg, sizeof(l_ptr->proto_msg));
msg_set_size(buf_msg(buf), msg_size);
if (tipc_bearer_send(l_ptr->b_ptr, buf, &l_ptr->media_addr)) {
@@ -2319,8 +2319,8 @@ void tipc_link_tunnel(struct link *l_ptr,
"unable to send tunnel msg\n");
return;
}
- memcpy(buf->data, (unchar *)tunnel_hdr, INT_H_SIZE);
- memcpy(buf->data + INT_H_SIZE, (unchar *)msg, length);
+ skb_copy_to_linear_data(buf, tunnel_hdr, INT_H_SIZE);
+ skb_copy_to_linear_data_offset(buf, INT_H_SIZE, msg, length);
dbg("%c->%c:", l_ptr->b_ptr->net_plane, tunnel->b_ptr->net_plane);
msg_dbg(buf_msg(buf), ">SEND>");
tipc_link_send_buf(tunnel, buf);
@@ -2361,7 +2361,7 @@ void tipc_link_changeover(struct link *l_ptr)
buf = buf_acquire(INT_H_SIZE);
if (buf) {
- memcpy(buf->data, (unchar *)&tunnel_hdr, INT_H_SIZE);
+ skb_copy_to_linear_data(buf, &tunnel_hdr, INT_H_SIZE);
msg_set_size(&tunnel_hdr, INT_H_SIZE);
dbg("%c->%c:", l_ptr->b_ptr->net_plane,
tunnel->b_ptr->net_plane);
@@ -2426,8 +2426,9 @@ void tipc_link_send_duplicate(struct link *l_ptr, struct link *tunnel)
"unable to send duplicate msg\n");
return;
}
- memcpy(outbuf->data, (unchar *)&tunnel_hdr, INT_H_SIZE);
- memcpy(outbuf->data + INT_H_SIZE, iter->data, length);
+ skb_copy_to_linear_data(outbuf, &tunnel_hdr, INT_H_SIZE);
+ skb_copy_to_linear_data_offset(outbuf, INT_H_SIZE, iter->data,
+ length);
dbg("%c->%c:", l_ptr->b_ptr->net_plane,
tunnel->b_ptr->net_plane);
msg_dbg(buf_msg(outbuf), ">SEND>");
@@ -2457,7 +2458,7 @@ static struct sk_buff *buf_extract(struct sk_buff *skb, u32 from_pos)
eb = buf_acquire(size);
if (eb)
- memcpy(eb->data, (unchar *)msg, size);
+ skb_copy_to_linear_data(eb, msg, size);
return eb;
}
@@ -2569,7 +2570,7 @@ void tipc_link_recv_bundle(struct sk_buff *buf)
if (obuf == NULL) {
warn("Link unable to unbundle message(s)\n");
break;
- };
+ }
pos += align(msg_size(buf_msg(obuf)));
msg_dbg(buf_msg(obuf), " /");
tipc_net_route_msg(obuf);
@@ -2631,9 +2632,9 @@ int tipc_link_send_long_buf(struct link *l_ptr, struct sk_buff *buf)
goto exit;
}
msg_set_size(&fragm_hdr, fragm_sz + INT_H_SIZE);
- memcpy(fragm->data, (unchar *)&fragm_hdr, INT_H_SIZE);
- memcpy(fragm->data + INT_H_SIZE, crs, fragm_sz);
-
+ skb_copy_to_linear_data(fragm, &fragm_hdr, INT_H_SIZE);
+ skb_copy_to_linear_data_offset(fragm, INT_H_SIZE, crs,
+ fragm_sz);
/* Send queued messages first, if any: */
l_ptr->stats.sent_fragments++;
@@ -2733,8 +2734,8 @@ int tipc_link_recv_fragment(struct sk_buff **pending, struct sk_buff **fb,
if (pbuf != NULL) {
pbuf->next = *pending;
*pending = pbuf;
- memcpy(pbuf->data, (unchar *)imsg, msg_data_sz(fragm));
-
+ skb_copy_to_linear_data(pbuf, imsg,
+ msg_data_sz(fragm));
/* Prepare buffer for subsequent fragments. */
set_long_msg_seqno(pbuf, long_msg_seq_no);
@@ -2750,7 +2751,8 @@ int tipc_link_recv_fragment(struct sk_buff **pending, struct sk_buff **fb,
u32 fsz = get_fragm_size(pbuf);
u32 crs = ((msg_fragm_no(fragm) - 1) * fsz);
u32 exp_frags = get_expected_frags(pbuf) - 1;
- memcpy(pbuf->data + crs, msg_data(fragm), dsz);
+ skb_copy_to_linear_data_offset(pbuf, crs,
+ msg_data(fragm), dsz);
buf_discard(fbuf);
/* Is message complete? */
diff --git a/net/tipc/msg.h b/net/tipc/msg.h
index 62d54906360..35d5ba1d4f4 100644
--- a/net/tipc/msg.h
+++ b/net/tipc/msg.h
@@ -1,8 +1,8 @@
/*
* net/tipc/msg.h: Include file for TIPC message header routines
*
- * Copyright (c) 2000-2006, Ericsson AB
- * Copyright (c) 2005, Wind River Systems
+ * Copyright (c) 2000-2007, Ericsson AB
+ * Copyright (c) 2005-2007, Wind River Systems
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -71,8 +71,11 @@ static inline void msg_set_word(struct tipc_msg *m, u32 w, u32 val)
static inline void msg_set_bits(struct tipc_msg *m, u32 w,
u32 pos, u32 mask, u32 val)
{
- u32 word = msg_word(m,w) & ~(mask << pos);
- msg_set_word(m, w, (word |= (val << pos)));
+ val = (val & mask) << pos;
+ val = htonl(val);
+ mask = htonl(mask << pos);
+ m->hdr[w] &= ~mask;
+ m->hdr[w] |= val;
}
/*
@@ -786,15 +789,16 @@ static inline int msg_build(struct tipc_msg *hdr,
*buf = buf_acquire(sz);
if (!(*buf))
return -ENOMEM;
- memcpy((*buf)->data, (unchar *)hdr, hsz);
+ skb_copy_to_linear_data(*buf, hdr, hsz);
for (res = 1, cnt = 0; res && (cnt < num_sect); cnt++) {
if (likely(usrmem))
res = !copy_from_user((*buf)->data + pos,
msg_sect[cnt].iov_base,
msg_sect[cnt].iov_len);
else
- memcpy((*buf)->data + pos, msg_sect[cnt].iov_base,
- msg_sect[cnt].iov_len);
+ skb_copy_to_linear_data_offset(*buf, pos,
+ msg_sect[cnt].iov_base,
+ msg_sect[cnt].iov_len);
pos += msg_sect[cnt].iov_len;
}
if (likely(res))
diff --git a/net/tipc/netlink.c b/net/tipc/netlink.c
index b8e1edc2bad..4cdafa2d1d4 100644
--- a/net/tipc/netlink.c
+++ b/net/tipc/netlink.c
@@ -57,7 +57,7 @@ static int handle_cmd(struct sk_buff *skb, struct genl_info *info)
if (rep_buf) {
skb_push(rep_buf, hdr_space);
- rep_nlh = (struct nlmsghdr *)rep_buf->data;
+ rep_nlh = nlmsg_hdr(rep_buf);
memcpy(rep_nlh, req_nlh, hdr_space);
rep_nlh->nlmsg_len = rep_buf->len;
genlmsg_unicast(rep_buf, req_nlh->nlmsg_pid);
diff --git a/net/tipc/port.c b/net/tipc/port.c
index 5f8217d4b45..bcd5da00737 100644
--- a/net/tipc/port.c
+++ b/net/tipc/port.c
@@ -464,7 +464,7 @@ int tipc_reject_msg(struct sk_buff *buf, u32 err)
msg_set_size(rmsg, data_sz + hdr_sz);
msg_set_nametype(rmsg, msg_nametype(msg));
msg_set_nameinst(rmsg, msg_nameinst(msg));
- memcpy(rbuf->data + hdr_sz, msg_data(msg), data_sz);
+ skb_copy_to_linear_data_offset(rbuf, hdr_sz, msg_data(msg), data_sz);
/* send self-abort message when rejecting on a connected port */
if (msg_connected(msg)) {
@@ -1419,7 +1419,7 @@ int tipc_send_buf(u32 ref, struct sk_buff *buf, unsigned int dsz)
return -ENOMEM;
skb_push(buf, hsz);
- memcpy(buf->data, (unchar *)msg, hsz);
+ skb_copy_to_linear_data(buf, msg, hsz);
destnode = msg_destnode(msg);
p_ptr->publ.congested = 1;
if (!tipc_port_congested(p_ptr)) {
@@ -1555,7 +1555,7 @@ int tipc_forward_buf2name(u32 ref,
if (skb_cow(buf, LONG_H_SIZE))
return -ENOMEM;
skb_push(buf, LONG_H_SIZE);
- memcpy(buf->data, (unchar *)msg, LONG_H_SIZE);
+ skb_copy_to_linear_data(buf, msg, LONG_H_SIZE);
msg_dbg(buf_msg(buf),"PREP:");
if (likely(destport || destnode)) {
p_ptr->sent++;
@@ -1679,7 +1679,7 @@ int tipc_forward_buf2port(u32 ref,
return -ENOMEM;
skb_push(buf, DIR_MSG_H_SIZE);
- memcpy(buf->data, (unchar *)msg, DIR_MSG_H_SIZE);
+ skb_copy_to_linear_data(buf, msg, DIR_MSG_H_SIZE);
msg_dbg(msg, "buf2port: ");
p_ptr->sent++;
if (dest->node == tipc_own_addr)
diff --git a/net/tipc/socket.c b/net/tipc/socket.c
index b71739fbe2c..45832fb75ea 100644
--- a/net/tipc/socket.c
+++ b/net/tipc/socket.c
@@ -1020,7 +1020,7 @@ restart:
if (!err) {
buf_crs = (unsigned char *)(TIPC_SKB_CB(buf)->handle);
- sz = buf->tail - buf_crs;
+ sz = skb_tail_pointer(buf) - buf_crs;
needed = (buf_len - sz_copied);
sz_to_copy = (sz <= needed) ? sz : needed;
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-10-31 05:46:53 +0000