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Message-Id: <20210317020623.1258298-10-jmaloy@redhat.com>
Date: Tue, 16 Mar 2021 22:06:16 -0400
From: jmaloy@...hat.com
To: netdev@...r.kernel.org, davem@...emloft.net
Cc: tipc-discussion@...ts.sourceforge.net,
tung.q.nguyen@...tech.com.au, hoang.h.le@...tech.com.au,
tuong.t.lien@...tech.com.au, jmaloy@...hat.com, maloy@...jonn.com,
xinl@...hat.com, ying.xue@...driver.com,
parthasarathy.bhuvaragan@...il.com
Subject: [net-next 09/16] tipc: simplify signature of tipc_namtbl_lookup_mcast_sockets()
From: Jon Maloy <jmaloy@...hat.com>
We reduce the signature of this function according to the same
principle as the preceding commits.
Signed-off-by: Jon Maloy <jmaloy@...hat.com>
Acked-by: Ying Xue <ying.xue@...driver.com>
Acked-by: Hoang Le <hoang.h.le@...tech.com.au>
Acked-by: Tung Nguyen <tung.q.nguyen@...tech.com.au>
Acked-by: Xin Long <lucien.xin@...il.com>
---
net/tipc/name_table.c | 10 +++++-----
net/tipc/name_table.h | 5 ++---
net/tipc/socket.c | 22 +++++++++++-----------
3 files changed, 18 insertions(+), 19 deletions(-)
diff --git a/net/tipc/name_table.c b/net/tipc/name_table.c
index 20beb04b2db0..ad021d8c02e7 100644
--- a/net/tipc/name_table.c
+++ b/net/tipc/name_table.c
@@ -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);
diff --git a/net/tipc/name_table.h b/net/tipc/name_table.h
index 9896205a5d66..26aa6acb4512 100644
--- a/net/tipc/name_table.h
+++ b/net/tipc/name_table.h
@@ -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,
diff --git a/net/tipc/socket.c b/net/tipc/socket.c
index 26e1ca6e4766..b952128537e1 100644
--- a/net/tipc/socket.c
+++ b/net/tipc/socket.c
@@ -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)) {
--
2.29.2
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