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-rw-r--r--net/tipc/link.c18
-rw-r--r--net/tipc/link.h1
-rw-r--r--net/tipc/msg.c25
-rw-r--r--net/tipc/msg.h5
-rw-r--r--net/tipc/port.c49
-rw-r--r--net/tipc/port.h14
-rw-r--r--net/tipc/socket.c14
-rw-r--r--net/tipc/subscr.c4
8 files changed, 64 insertions, 66 deletions
diff --git a/net/tipc/link.c b/net/tipc/link.c
index 2a9f44a203e..4bab139d5e7 100644
--- a/net/tipc/link.c
+++ b/net/tipc/link.c
@@ -92,7 +92,8 @@ static int link_recv_changeover_msg(struct link **l_ptr, struct sk_buff **buf);
static void link_set_supervision_props(struct link *l_ptr, u32 tolerance);
static int link_send_sections_long(struct tipc_port *sender,
struct iovec const *msg_sect,
- u32 num_sect, u32 destnode);
+ u32 num_sect, unsigned int total_len,
+ u32 destnode);
static void link_check_defragm_bufs(struct link *l_ptr);
static void link_state_event(struct link *l_ptr, u32 event);
static void link_reset_statistics(struct link *l_ptr);
@@ -1043,6 +1044,7 @@ int tipc_send_buf_fast(struct sk_buff *buf, u32 destnode)
int tipc_link_send_sections_fast(struct tipc_port *sender,
struct iovec const *msg_sect,
const u32 num_sect,
+ unsigned int total_len,
u32 destaddr)
{
struct tipc_msg *hdr = &sender->phdr;
@@ -1058,8 +1060,8 @@ again:
* (Must not hold any locks while building message.)
*/
- res = tipc_msg_build(hdr, msg_sect, num_sect, sender->max_pkt,
- !sender->user_port, &buf);
+ res = tipc_msg_build(hdr, msg_sect, num_sect, total_len,
+ sender->max_pkt, !sender->user_port, &buf);
read_lock_bh(&tipc_net_lock);
node = tipc_node_find(destaddr);
@@ -1104,7 +1106,8 @@ exit:
goto again;
return link_send_sections_long(sender, msg_sect,
- num_sect, destaddr);
+ num_sect, total_len,
+ destaddr);
}
tipc_node_unlock(node);
}
@@ -1116,7 +1119,7 @@ exit:
return tipc_reject_msg(buf, TIPC_ERR_NO_NODE);
if (res >= 0)
return tipc_port_reject_sections(sender, hdr, msg_sect, num_sect,
- TIPC_ERR_NO_NODE);
+ total_len, TIPC_ERR_NO_NODE);
return res;
}
@@ -1137,12 +1140,13 @@ exit:
static int link_send_sections_long(struct tipc_port *sender,
struct iovec const *msg_sect,
u32 num_sect,
+ unsigned int total_len,
u32 destaddr)
{
struct link *l_ptr;
struct tipc_node *node;
struct tipc_msg *hdr = &sender->phdr;
- u32 dsz = msg_data_sz(hdr);
+ u32 dsz = total_len;
u32 max_pkt, fragm_sz, rest;
struct tipc_msg fragm_hdr;
struct sk_buff *buf, *buf_chain, *prev;
@@ -1269,7 +1273,7 @@ reject:
buf_discard(buf_chain);
}
return tipc_port_reject_sections(sender, hdr, msg_sect, num_sect,
- TIPC_ERR_NO_NODE);
+ total_len, TIPC_ERR_NO_NODE);
}
/* Append whole chain to send queue: */
diff --git a/net/tipc/link.h b/net/tipc/link.h
index e6a30dbe1aa..74fbecab1ea 100644
--- a/net/tipc/link.h
+++ b/net/tipc/link.h
@@ -228,6 +228,7 @@ u32 tipc_link_get_max_pkt(u32 dest, u32 selector);
int tipc_link_send_sections_fast(struct tipc_port *sender,
struct iovec const *msg_sect,
const u32 num_sect,
+ unsigned int total_len,
u32 destnode);
void tipc_link_recv_bundle(struct sk_buff *buf);
int tipc_link_recv_fragment(struct sk_buff **pending,
diff --git a/net/tipc/msg.c b/net/tipc/msg.c
index 6d92d17e7fb..03e57bf92c7 100644
--- a/net/tipc/msg.c
+++ b/net/tipc/msg.c
@@ -68,20 +68,6 @@ void tipc_msg_init(struct tipc_msg *m, u32 user, u32 type,
}
/**
- * tipc_msg_calc_data_size - determine total data size for message
- */
-
-int tipc_msg_calc_data_size(struct iovec const *msg_sect, u32 num_sect)
-{
- int dsz = 0;
- int i;
-
- for (i = 0; i < num_sect; i++)
- dsz += msg_sect[i].iov_len;
- return dsz;
-}
-
-/**
* tipc_msg_build - create message using specified header and data
*
* Note: Caller must not hold any locks in case copy_from_user() is interrupted!
@@ -89,18 +75,13 @@ int tipc_msg_calc_data_size(struct iovec const *msg_sect, u32 num_sect)
* Returns message data size or errno
*/
-int tipc_msg_build(struct tipc_msg *hdr,
- struct iovec const *msg_sect, u32 num_sect,
+int tipc_msg_build(struct tipc_msg *hdr, struct iovec const *msg_sect,
+ u32 num_sect, unsigned int total_len,
int max_size, int usrmem, struct sk_buff **buf)
{
int dsz, sz, hsz, pos, res, cnt;
- dsz = tipc_msg_calc_data_size(msg_sect, num_sect);
- if (unlikely(dsz > TIPC_MAX_USER_MSG_SIZE)) {
- *buf = NULL;
- return -EINVAL;
- }
-
+ dsz = total_len;
pos = hsz = msg_hdr_sz(hdr);
sz = hsz + dsz;
msg_set_size(hdr, sz);
diff --git a/net/tipc/msg.h b/net/tipc/msg.h
index 005b318fd32..8452454731f 100644
--- a/net/tipc/msg.h
+++ b/net/tipc/msg.h
@@ -750,9 +750,8 @@ static inline void msg_set_link_tolerance(struct tipc_msg *m, u32 n)
u32 tipc_msg_tot_importance(struct tipc_msg *m);
void tipc_msg_init(struct tipc_msg *m, u32 user, u32 type,
u32 hsize, u32 destnode);
-int tipc_msg_calc_data_size(struct iovec const *msg_sect, u32 num_sect);
-int tipc_msg_build(struct tipc_msg *hdr,
- struct iovec const *msg_sect, u32 num_sect,
+int tipc_msg_build(struct tipc_msg *hdr, struct iovec const *msg_sect,
+ u32 num_sect, unsigned int total_len,
int max_size, int usrmem, struct sk_buff **buf);
static inline void msg_set_media_addr(struct tipc_msg *m, struct tipc_media_addr *a)
diff --git a/net/tipc/port.c b/net/tipc/port.c
index 9f2ff12cf43..c68dc956a42 100644
--- a/net/tipc/port.c
+++ b/net/tipc/port.c
@@ -74,7 +74,8 @@ static u32 port_peerport(struct tipc_port *p_ptr)
*/
int tipc_multicast(u32 ref, struct tipc_name_seq const *seq,
- u32 num_sect, struct iovec const *msg_sect)
+ u32 num_sect, struct iovec const *msg_sect,
+ unsigned int total_len)
{
struct tipc_msg *hdr;
struct sk_buff *buf;
@@ -98,7 +99,7 @@ int tipc_multicast(u32 ref, struct tipc_name_seq const *seq,
msg_set_namelower(hdr, seq->lower);
msg_set_nameupper(hdr, seq->upper);
msg_set_hdr_sz(hdr, MCAST_H_SIZE);
- res = tipc_msg_build(hdr, msg_sect, num_sect, MAX_MSG_SIZE,
+ res = tipc_msg_build(hdr, msg_sect, num_sect, total_len, MAX_MSG_SIZE,
!oport->user_port, &buf);
if (unlikely(!buf))
return res;
@@ -418,12 +419,12 @@ int tipc_reject_msg(struct sk_buff *buf, u32 err)
int tipc_port_reject_sections(struct tipc_port *p_ptr, struct tipc_msg *hdr,
struct iovec const *msg_sect, u32 num_sect,
- int err)
+ unsigned int total_len, int err)
{
struct sk_buff *buf;
int res;
- res = tipc_msg_build(hdr, msg_sect, num_sect, MAX_MSG_SIZE,
+ res = tipc_msg_build(hdr, msg_sect, num_sect, total_len, MAX_MSG_SIZE,
!p_ptr->user_port, &buf);
if (!buf)
return res;
@@ -1163,12 +1164,13 @@ int tipc_shutdown(u32 ref)
*/
static int tipc_port_recv_sections(struct tipc_port *sender, unsigned int num_sect,
- struct iovec const *msg_sect)
+ struct iovec const *msg_sect,
+ unsigned int total_len)
{
struct sk_buff *buf;
int res;
- res = tipc_msg_build(&sender->phdr, msg_sect, num_sect,
+ res = tipc_msg_build(&sender->phdr, msg_sect, num_sect, total_len,
MAX_MSG_SIZE, !sender->user_port, &buf);
if (likely(buf))
tipc_port_recv_msg(buf);
@@ -1179,7 +1181,8 @@ static int tipc_port_recv_sections(struct tipc_port *sender, unsigned int num_se
* tipc_send - send message sections on connection
*/
-int tipc_send(u32 ref, unsigned int num_sect, struct iovec const *msg_sect)
+int tipc_send(u32 ref, unsigned int num_sect, struct iovec const *msg_sect,
+ unsigned int total_len)
{
struct tipc_port *p_ptr;
u32 destnode;
@@ -1194,9 +1197,10 @@ int tipc_send(u32 ref, unsigned int num_sect, struct iovec const *msg_sect)
destnode = port_peernode(p_ptr);
if (likely(destnode != tipc_own_addr))
res = tipc_link_send_sections_fast(p_ptr, msg_sect, num_sect,
- destnode);
+ total_len, destnode);
else
- res = tipc_port_recv_sections(p_ptr, num_sect, msg_sect);
+ res = tipc_port_recv_sections(p_ptr, num_sect, msg_sect,
+ total_len);
if (likely(res != -ELINKCONG)) {
p_ptr->congested = 0;
@@ -1207,8 +1211,7 @@ int tipc_send(u32 ref, unsigned int num_sect, struct iovec const *msg_sect)
}
if (port_unreliable(p_ptr)) {
p_ptr->congested = 0;
- /* Just calculate msg length and return */
- return tipc_msg_calc_data_size(msg_sect, num_sect);
+ return total_len;
}
return -ELINKCONG;
}
@@ -1218,7 +1221,8 @@ int tipc_send(u32 ref, unsigned int num_sect, struct iovec const *msg_sect)
*/
int tipc_send2name(u32 ref, struct tipc_name const *name, unsigned int domain,
- unsigned int num_sect, struct iovec const *msg_sect)
+ unsigned int num_sect, struct iovec const *msg_sect,
+ unsigned int total_len)
{
struct tipc_port *p_ptr;
struct tipc_msg *msg;
@@ -1245,23 +1249,23 @@ int tipc_send2name(u32 ref, struct tipc_name const *name, unsigned int domain,
if (likely(destport)) {
if (likely(destnode == tipc_own_addr))
res = tipc_port_recv_sections(p_ptr, num_sect,
- msg_sect);
+ msg_sect, total_len);
else
res = tipc_link_send_sections_fast(p_ptr, msg_sect,
- num_sect, destnode);
+ num_sect, total_len,
+ destnode);
if (likely(res != -ELINKCONG)) {
if (res > 0)
p_ptr->sent++;
return res;
}
if (port_unreliable(p_ptr)) {
- /* Just calculate msg length and return */
- return tipc_msg_calc_data_size(msg_sect, num_sect);
+ return total_len;
}
return -ELINKCONG;
}
return tipc_port_reject_sections(p_ptr, msg, msg_sect, num_sect,
- TIPC_ERR_NO_NAME);
+ total_len, TIPC_ERR_NO_NAME);
}
/**
@@ -1269,7 +1273,8 @@ int tipc_send2name(u32 ref, struct tipc_name const *name, unsigned int domain,
*/
int tipc_send2port(u32 ref, struct tipc_portid const *dest,
- unsigned int num_sect, struct iovec const *msg_sect)
+ unsigned int num_sect, struct iovec const *msg_sect,
+ unsigned int total_len)
{
struct tipc_port *p_ptr;
struct tipc_msg *msg;
@@ -1289,18 +1294,18 @@ int tipc_send2port(u32 ref, struct tipc_portid const *dest,
msg_set_hdr_sz(msg, DIR_MSG_H_SIZE);
if (dest->node == tipc_own_addr)
- res = tipc_port_recv_sections(p_ptr, num_sect, msg_sect);
+ res = tipc_port_recv_sections(p_ptr, num_sect, msg_sect,
+ total_len);
else
res = tipc_link_send_sections_fast(p_ptr, msg_sect, num_sect,
- dest->node);
+ total_len, dest->node);
if (likely(res != -ELINKCONG)) {
if (res > 0)
p_ptr->sent++;
return res;
}
if (port_unreliable(p_ptr)) {
- /* Just calculate msg length and return */
- return tipc_msg_calc_data_size(msg_sect, num_sect);
+ return total_len;
}
return -ELINKCONG;
}
diff --git a/net/tipc/port.h b/net/tipc/port.h
index 87b9424ae0e..b9aa34195ae 100644
--- a/net/tipc/port.h
+++ b/net/tipc/port.h
@@ -205,23 +205,27 @@ int tipc_disconnect_port(struct tipc_port *tp_ptr);
/*
* TIPC messaging routines
*/
-int tipc_send(u32 portref, unsigned int num_sect, struct iovec const *msg_sect);
+int tipc_send(u32 portref, unsigned int num_sect, struct iovec const *msg_sect,
+ unsigned int total_len);
int tipc_send2name(u32 portref, struct tipc_name const *name, u32 domain,
- unsigned int num_sect, struct iovec const *msg_sect);
+ unsigned int num_sect, struct iovec const *msg_sect,
+ unsigned int total_len);
int tipc_send2port(u32 portref, struct tipc_portid const *dest,
- unsigned int num_sect, struct iovec const *msg_sect);
+ unsigned int num_sect, struct iovec const *msg_sect,
+ unsigned int total_len);
int tipc_send_buf2port(u32 portref, struct tipc_portid const *dest,
struct sk_buff *buf, unsigned int dsz);
int tipc_multicast(u32 portref, struct tipc_name_seq const *seq,
- unsigned int section_count, struct iovec const *msg);
+ unsigned int section_count, struct iovec const *msg,
+ unsigned int total_len);
int tipc_port_reject_sections(struct tipc_port *p_ptr, struct tipc_msg *hdr,
struct iovec const *msg_sect, u32 num_sect,
- int err);
+ unsigned int total_len, int err);
struct sk_buff *tipc_port_get_ports(void);
void tipc_port_recv_proto_msg(struct sk_buff *buf);
void tipc_port_recv_mcast(struct sk_buff *buf, struct port_list *dp);
diff --git a/net/tipc/socket.c b/net/tipc/socket.c
index e1c791798ba..33883739664 100644
--- a/net/tipc/socket.c
+++ b/net/tipc/socket.c
@@ -576,12 +576,14 @@ static int send_msg(struct kiocb *iocb, struct socket *sock,
&dest->addr.name.name,
dest->addr.name.domain,
m->msg_iovlen,
- m->msg_iov);
+ m->msg_iov,
+ total_len);
} else if (dest->addrtype == TIPC_ADDR_ID) {
res = tipc_send2port(tport->ref,
&dest->addr.id,
m->msg_iovlen,
- m->msg_iov);
+ m->msg_iov,
+ total_len);
} else if (dest->addrtype == TIPC_ADDR_MCAST) {
if (needs_conn) {
res = -EOPNOTSUPP;
@@ -593,7 +595,8 @@ static int send_msg(struct kiocb *iocb, struct socket *sock,
res = tipc_multicast(tport->ref,
&dest->addr.nameseq,
m->msg_iovlen,
- m->msg_iov);
+ m->msg_iov,
+ total_len);
}
if (likely(res != -ELINKCONG)) {
if (needs_conn && (res >= 0))
@@ -659,7 +662,8 @@ static int send_packet(struct kiocb *iocb, struct socket *sock,
break;
}
- res = tipc_send(tport->ref, m->msg_iovlen, m->msg_iov);
+ res = tipc_send(tport->ref, m->msg_iovlen, m->msg_iov,
+ total_len);
if (likely(res != -ELINKCONG))
break;
if (m->msg_flags & MSG_DONTWAIT) {
@@ -766,7 +770,7 @@ static int send_stream(struct kiocb *iocb, struct socket *sock,
bytes_to_send = curr_left;
my_iov.iov_base = curr_start;
my_iov.iov_len = bytes_to_send;
- res = send_packet(NULL, sock, &my_msg, 0);
+ res = send_packet(NULL, sock, &my_msg, bytes_to_send);
if (res < 0) {
if (bytes_sent)
res = bytes_sent;
diff --git a/net/tipc/subscr.c b/net/tipc/subscr.c
index aae9eae1340..6cf72686348 100644
--- a/net/tipc/subscr.c
+++ b/net/tipc/subscr.c
@@ -109,7 +109,7 @@ static void subscr_send_event(struct subscription *sub,
sub->evt.found_upper = htohl(found_upper, sub->swap);
sub->evt.port.ref = htohl(port_ref, sub->swap);
sub->evt.port.node = htohl(node, sub->swap);
- tipc_send(sub->server_ref, 1, &msg_sect);
+ tipc_send(sub->server_ref, 1, &msg_sect, msg_sect.iov_len);
}
/**
@@ -521,7 +521,7 @@ static void subscr_named_msg_event(void *usr_handle,
/* Send an ACK- to complete connection handshaking */
- tipc_send(server_port_ref, 0, NULL);
+ tipc_send(server_port_ref, 0, NULL, 0);
/* Handle optional subscription request */
generated by cgit v1.2.3-18-g5258 (git 2.32.0) at 2024-12-22 02:11:24 +0000