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tipc: simplify signature of tipc_namtbl_lookup_mcast_sockets()

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We reduce the signature of this function according to the same
principle as the preceding commits.

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>
This commit is contained in:
Jon Maloy 2021-03-16 22:06:16 -04:00 committed by David S. Miller
parent 908148bc50
commit 45ceea2d40
3 changed files with 18 additions and 19 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
net/tipc/name_table.c
View File

@ -668,21 +668,21 @@ bool tipc_nametbl_lookup_group(struct net *net, u32 type, u32 instance,
* Used on nodes which have received a multicast/broadcast message
* Returns a list of local sockets
*/
void tipc_nametbl_lookup_mcast_sockets(struct net *net, u32 type, u32 lower,
u32 upper, u32 scope, bool exact,
struct list_head *dports)
void tipc_nametbl_lookup_mcast_sockets(struct net *net, struct tipc_uaddr *ua,
bool exact, struct list_head *dports)
{
struct service_range *sr;
struct tipc_service *sc;
struct publication *p;
u32 scope = ua->scope;
rcu_read_lock();
sc = tipc_service_find(net, type);
sc = tipc_service_find(net, ua->sr.type);
if (!sc)
goto exit;
spin_lock_bh(&sc->lock);
service_range_foreach_match(sr, sc, lower, upper) {
service_range_foreach_match(sr, sc, ua->sr.lower, ua->sr.upper) {
list_for_each_entry(p, &sr->local_publ, local_publ) {
if (p->scope == scope || (!exact && p->scope < scope))
tipc_dest_push(dports, 0, p->sk.ref);

5
net/tipc/name_table.h
View File

@ -112,9 +112,8 @@ struct name_table {
int tipc_nl_name_table_dump(struct sk_buff *skb, struct netlink_callback *cb);
bool tipc_nametbl_lookup_anycast(struct net *net, struct tipc_uaddr *ua,
struct tipc_socket_addr *sk);
void tipc_nametbl_lookup_mcast_sockets(struct net *net, u32 type, u32 lower,
u32 upper, u32 scope, bool exact,
struct list_head *dports);
void tipc_nametbl_lookup_mcast_sockets(struct net *net, struct tipc_uaddr *ua,
bool exact, struct list_head *dports);
void tipc_nametbl_lookup_mcast_nodes(struct net *net, u32 type, u32 lower,
u32 upper, struct tipc_nlist *nodes);
bool tipc_nametbl_lookup_group(struct net *net, u32 type, u32 instance,

22
net/tipc/socket.c
View File

@ -1205,17 +1205,18 @@ void tipc_sk_mcast_rcv(struct net *net, struct sk_buff_head *arrvq,
struct sk_buff_head *inputq)
{
u32 self = tipc_own_addr(net);
u32 type, lower, upper, scope;
struct sk_buff *skb, *_skb;
u32 portid, onode;
struct sk_buff_head tmpq;
struct list_head dports;
struct tipc_msg *hdr;
struct tipc_uaddr ua;
int user, mtyp, hlen;
bool exact;
__skb_queue_head_init(&tmpq);
INIT_LIST_HEAD(&dports);
ua.addrtype = TIPC_SERVICE_RANGE;
skb = tipc_skb_peek(arrvq, &inputq->lock);
for (; skb; skb = tipc_skb_peek(arrvq, &inputq->lock)) {
@ -1224,7 +1225,7 @@ void tipc_sk_mcast_rcv(struct net *net, struct sk_buff_head *arrvq,
mtyp = msg_type(hdr);
hlen = skb_headroom(skb) + msg_hdr_sz(hdr);
onode = msg_orignode(hdr);
type = msg_nametype(hdr);
ua.sr.type = msg_nametype(hdr);
if (mtyp == TIPC_GRP_UCAST_MSG || user == GROUP_PROTOCOL) {
spin_lock_bh(&inputq->lock);
@ -1239,24 +1240,23 @@ void tipc_sk_mcast_rcv(struct net *net, struct sk_buff_head *arrvq,
/* Group messages require exact scope match */
if (msg_in_group(hdr)) {
lower = 0;
upper = ~0;
scope = msg_lookup_scope(hdr);
ua.sr.lower = 0;
ua.sr.upper = ~0;
ua.scope = msg_lookup_scope(hdr);
exact = true;
} else {
/* TIPC_NODE_SCOPE means "any scope" in this context */
if (onode == self)
scope = TIPC_NODE_SCOPE;
ua.scope = TIPC_NODE_SCOPE;
else
scope = TIPC_CLUSTER_SCOPE;
ua.scope = TIPC_CLUSTER_SCOPE;
exact = false;
lower = msg_namelower(hdr);
upper = msg_nameupper(hdr);
ua.sr.lower = msg_namelower(hdr);
ua.sr.upper = msg_nameupper(hdr);
}
/* Create destination port list: */
tipc_nametbl_lookup_mcast_sockets(net, type, lower, upper,
scope, exact, &dports);
tipc_nametbl_lookup_mcast_sockets(net, &ua, exact, &dports);
/* Clone message per destination */
while (tipc_dest_pop(&dports, NULL, &portid)) {