tipc: simplify signature of tipc_namtbl_publish()
Using the new address structure tipc_uaddr, we simplify the signature
of function tipc_sk_publish() and tipc_namtbl_publish() so that fewer
parameters need to be passed around.
Signed-off-by: Jon Maloy <jmaloy@redhat.com>
Acked-by: Ying Xue <ying.xue@windriver.com>
Acked-by: Hoang Le <hoang.h.le@dektech.com.au>
Acked-by: Tung Nguyen <tung.q.nguyen@dektech.com.au>
Acked-by: Xin Long <lucien.xin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/tipc/socket.c b/net/tipc/socket.c
index fe522d4..9484725 100644
--- a/net/tipc/socket.c
+++ b/net/tipc/socket.c
@@ -111,7 +111,6 @@ struct tipc_sock {
struct sock sk;
u32 conn_type;
u32 conn_instance;
- int published;
u32 max_pkt;
u32 maxnagle;
u32 portid;
@@ -141,6 +140,7 @@ struct tipc_sock {
bool expect_ack;
bool nodelay;
bool group_is_open;
+ bool published;
};
static int tipc_sk_backlog_rcv(struct sock *sk, struct sk_buff *skb);
@@ -151,8 +151,7 @@ static int tipc_release(struct socket *sock);
static int tipc_accept(struct socket *sock, struct socket *new_sock, int flags,
bool kern);
static void tipc_sk_timeout(struct timer_list *t);
-static int tipc_sk_publish(struct tipc_sock *tsk, uint scope,
- struct tipc_service_range const *seq);
+static int tipc_sk_publish(struct tipc_sock *tsk, struct tipc_uaddr *ua);
static int tipc_sk_withdraw(struct tipc_sock *tsk, uint scope,
struct tipc_service_range const *seq);
static int tipc_sk_leave(struct tipc_sock *tsk);
@@ -677,22 +676,31 @@ static int tipc_release(struct socket *sock)
*/
static int __tipc_bind(struct socket *sock, struct sockaddr *skaddr, int alen)
{
- struct sockaddr_tipc *addr = (struct sockaddr_tipc *)skaddr;
+ struct tipc_uaddr *ua = (struct tipc_uaddr *)skaddr;
struct tipc_sock *tsk = tipc_sk(sock->sk);
+ bool unbind = false;
if (unlikely(!alen))
return tipc_sk_withdraw(tsk, 0, NULL);
- if (addr->addrtype == TIPC_SERVICE_ADDR)
- addr->addr.nameseq.upper = addr->addr.nameseq.lower;
+ if (ua->addrtype == TIPC_SERVICE_ADDR) {
+ ua->addrtype = TIPC_SERVICE_RANGE;
+ ua->sr.upper = ua->sr.lower;
+ }
+ if (ua->scope < 0) {
+ unbind = true;
+ ua->scope = -ua->scope;
+ }
+ /* Users may still use deprecated TIPC_ZONE_SCOPE */
+ if (ua->scope != TIPC_NODE_SCOPE)
+ ua->scope = TIPC_CLUSTER_SCOPE;
if (tsk->group)
return -EACCES;
- if (addr->scope >= 0)
- return tipc_sk_publish(tsk, addr->scope, &addr->addr.nameseq);
- else
- return tipc_sk_withdraw(tsk, -addr->scope, &addr->addr.nameseq);
+ if (unbind)
+ return tipc_sk_withdraw(tsk, ua->scope, &ua->sr);
+ return tipc_sk_publish(tsk, ua);
}
int tipc_sk_bind(struct socket *sock, struct sockaddr *skaddr, int alen)
@@ -707,18 +715,17 @@ int tipc_sk_bind(struct socket *sock, struct sockaddr *skaddr, int alen)
static int tipc_bind(struct socket *sock, struct sockaddr *skaddr, int alen)
{
- struct sockaddr_tipc *addr = (struct sockaddr_tipc *)skaddr;
+ struct tipc_uaddr *ua = (struct tipc_uaddr *)skaddr;
+ u32 atype = ua->addrtype;
if (alen) {
- if (alen < sizeof(struct sockaddr_tipc))
+ if (!tipc_uaddr_valid(ua, alen))
return -EINVAL;
- if (addr->family != AF_TIPC)
+ if (atype == TIPC_SOCKET_ADDR)
return -EAFNOSUPPORT;
- if (addr->addrtype > TIPC_SERVICE_ADDR)
- return -EAFNOSUPPORT;
- if (addr->addr.nameseq.type < TIPC_RESERVED_TYPES) {
+ if (ua->sr.type < TIPC_RESERVED_TYPES) {
pr_warn_once("Can't bind to reserved service type %u\n",
- addr->addr.nameseq.type);
+ ua->sr.type);
return -EACCES;
}
}
@@ -2891,31 +2898,28 @@ static void tipc_sk_timeout(struct timer_list *t)
sock_put(sk);
}
-static int tipc_sk_publish(struct tipc_sock *tsk, uint scope,
- struct tipc_service_range const *seq)
+static int tipc_sk_publish(struct tipc_sock *tsk, struct tipc_uaddr *ua)
{
struct sock *sk = &tsk->sk;
struct net *net = sock_net(sk);
- struct publication *publ;
+ struct tipc_socket_addr skaddr;
+ struct publication *p;
u32 key;
- if (scope != TIPC_NODE_SCOPE)
- scope = TIPC_CLUSTER_SCOPE;
-
if (tipc_sk_connected(sk))
return -EINVAL;
key = tsk->portid + tsk->pub_count + 1;
if (key == tsk->portid)
return -EADDRINUSE;
-
- publ = tipc_nametbl_publish(net, seq->type, seq->lower, seq->upper,
- scope, tsk->portid, key);
- if (unlikely(!publ))
+ skaddr.ref = tsk->portid;
+ skaddr.node = tipc_own_addr(net);
+ p = tipc_nametbl_publish(net, ua, &skaddr, key);
+ if (unlikely(!p))
return -EINVAL;
- list_add(&publ->binding_sock, &tsk->publications);
+ list_add(&p->binding_sock, &tsk->publications);
tsk->pub_count++;
- tsk->published = 1;
+ tsk->published = true;
return 0;
}
@@ -3067,13 +3071,15 @@ static int tipc_sk_join(struct tipc_sock *tsk, struct tipc_group_req *mreq)
struct net *net = sock_net(&tsk->sk);
struct tipc_group *grp = tsk->group;
struct tipc_msg *hdr = &tsk->phdr;
- struct tipc_service_range seq;
+ struct tipc_uaddr ua;
int rc;
if (mreq->type < TIPC_RESERVED_TYPES)
return -EACCES;
if (mreq->scope > TIPC_NODE_SCOPE)
return -EINVAL;
+ if (mreq->scope != TIPC_NODE_SCOPE)
+ mreq->scope = TIPC_CLUSTER_SCOPE;
if (grp)
return -EACCES;
grp = tipc_group_create(net, tsk->portid, mreq, &tsk->group_is_open);
@@ -3083,11 +3089,10 @@ static int tipc_sk_join(struct tipc_sock *tsk, struct tipc_group_req *mreq)
msg_set_lookup_scope(hdr, mreq->scope);
msg_set_nametype(hdr, mreq->type);
msg_set_dest_droppable(hdr, true);
- seq.type = mreq->type;
- seq.lower = mreq->instance;
- seq.upper = seq.lower;
tipc_nametbl_build_group(net, grp, mreq->type, mreq->scope);
- rc = tipc_sk_publish(tsk, mreq->scope, &seq);
+ tipc_uaddr(&ua, TIPC_SERVICE_RANGE, mreq->scope,
+ mreq->type, mreq->instance, mreq->instance);
+ rc = tipc_sk_publish(tsk, &ua);
if (rc) {
tipc_group_delete(net, grp);
tsk->group = NULL;