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Message-Id: <20210317020623.1258298-5-jmaloy@redhat.com>
Date: Tue, 16 Mar 2021 22:06:11 -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 04/16] tipc: simplify signature of tipc_namtbl_publish()
From: Jon Maloy <jmaloy@...hat.com>
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@...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 | 6 ++--
net/tipc/net.c | 8 +++--
net/tipc/node.c | 29 ++++++++---------
net/tipc/socket.c | 73 +++++++++++++++++++++++--------------------
5 files changed, 68 insertions(+), 58 deletions(-)
diff --git a/net/tipc/name_table.c b/net/tipc/name_table.c
index c37cef09b54c..7b309fdd0090 100644
--- a/net/tipc/name_table.c
+++ b/net/tipc/name_table.c
@@ -740,9 +740,8 @@ void tipc_nametbl_build_group(struct net *net, struct tipc_group *grp,
/* tipc_nametbl_publish - add service binding to name table
*/
-struct publication *tipc_nametbl_publish(struct net *net, u32 type, u32 lower,
- u32 upper, u32 scope, u32 port,
- u32 key)
+struct publication *tipc_nametbl_publish(struct net *net, struct tipc_uaddr *ua,
+ struct tipc_socket_addr *sk, u32 key)
{
struct name_table *nt = tipc_name_table(net);
struct tipc_net *tn = tipc_net(net);
@@ -757,8 +756,9 @@ struct publication *tipc_nametbl_publish(struct net *net, u32 type, u32 lower,
goto exit;
}
- p = tipc_nametbl_insert_publ(net, type, lower, upper, scope,
- tipc_own_addr(net), port, key);
+ p = tipc_nametbl_insert_publ(net, ua->sr.type, ua->sr.lower,
+ ua->sr.upper, ua->scope,
+ sk->node, sk->ref, key);
if (p) {
nt->local_publ_count++;
skb = tipc_named_publish(net, p);
diff --git a/net/tipc/name_table.h b/net/tipc/name_table.h
index d9ad119f966b..47a8c266bcc8 100644
--- a/net/tipc/name_table.h
+++ b/net/tipc/name_table.h
@@ -42,6 +42,7 @@ struct tipc_subscription;
struct tipc_plist;
struct tipc_nlist;
struct tipc_group;
+struct tipc_uaddr;
/*
* TIPC name types reserved for internal TIPC use (both current and planned)
@@ -120,9 +121,8 @@ void tipc_nametbl_lookup_dst_nodes(struct net *net, u32 type, u32 lower,
bool tipc_nametbl_lookup(struct net *net, u32 type, u32 instance, u32 domain,
struct list_head *dsts, int *dstcnt, u32 exclude,
bool all);
-struct publication *tipc_nametbl_publish(struct net *net, u32 type, u32 lower,
- u32 upper, u32 scope, u32 port,
- u32 key);
+struct publication *tipc_nametbl_publish(struct net *net, struct tipc_uaddr *ua,
+ struct tipc_socket_addr *sk, u32 key);
int tipc_nametbl_withdraw(struct net *net, u32 type, u32 lower, u32 upper,
u32 key);
struct publication *tipc_nametbl_insert_publ(struct net *net, u32 type,
diff --git a/net/tipc/net.c b/net/tipc/net.c
index a129f661bee3..3f927949bb23 100644
--- a/net/tipc/net.c
+++ b/net/tipc/net.c
@@ -125,6 +125,11 @@ int tipc_net_init(struct net *net, u8 *node_id, u32 addr)
static void tipc_net_finalize(struct net *net, u32 addr)
{
struct tipc_net *tn = tipc_net(net);
+ struct tipc_socket_addr sk = {0, addr};
+ struct tipc_uaddr ua;
+
+ tipc_uaddr(&ua, TIPC_SERVICE_RANGE, TIPC_CLUSTER_SCOPE,
+ TIPC_NODE_STATE, addr, addr);
if (cmpxchg(&tn->node_addr, 0, addr))
return;
@@ -132,8 +137,7 @@ static void tipc_net_finalize(struct net *net, u32 addr)
tipc_named_reinit(net);
tipc_sk_reinit(net);
tipc_mon_reinit_self(net);
- tipc_nametbl_publish(net, TIPC_NODE_STATE, addr, addr,
- TIPC_CLUSTER_SCOPE, 0, addr);
+ tipc_nametbl_publish(net, &ua, &sk, addr);
}
void tipc_net_finalize_work(struct work_struct *work)
diff --git a/net/tipc/node.c b/net/tipc/node.c
index 9c95ef4b6326..e24cdc13335d 100644
--- a/net/tipc/node.c
+++ b/net/tipc/node.c
@@ -398,21 +398,23 @@ static void tipc_node_write_unlock_fast(struct tipc_node *n)
static void tipc_node_write_unlock(struct tipc_node *n)
__releases(n->lock)
{
+ struct tipc_socket_addr sk;
struct net *net = n->net;
- u32 addr = 0;
u32 flags = n->action_flags;
- u32 link_id = 0;
- u32 bearer_id;
struct list_head *publ_list;
+ struct tipc_uaddr ua;
+ u32 bearer_id;
if (likely(!flags)) {
write_unlock_bh(&n->lock);
return;
}
- addr = n->addr;
- link_id = n->link_id;
- bearer_id = link_id & 0xffff;
+ tipc_uaddr(&ua, TIPC_SERVICE_RANGE, TIPC_NODE_SCOPE,
+ TIPC_LINK_STATE, n->addr, n->addr);
+ sk.ref = n->link_id;
+ sk.node = n->addr;
+ bearer_id = n->link_id & 0xffff;
publ_list = &n->publ_list;
n->action_flags &= ~(TIPC_NOTIFY_NODE_DOWN | TIPC_NOTIFY_NODE_UP |
@@ -421,20 +423,19 @@ static void tipc_node_write_unlock(struct tipc_node *n)
write_unlock_bh(&n->lock);
if (flags & TIPC_NOTIFY_NODE_DOWN)
- tipc_publ_notify(net, publ_list, addr, n->capabilities);
+ tipc_publ_notify(net, publ_list, n->addr, n->capabilities);
if (flags & TIPC_NOTIFY_NODE_UP)
- tipc_named_node_up(net, addr, n->capabilities);
+ tipc_named_node_up(net, n->addr, n->capabilities);
if (flags & TIPC_NOTIFY_LINK_UP) {
- tipc_mon_peer_up(net, addr, bearer_id);
- tipc_nametbl_publish(net, TIPC_LINK_STATE, addr, addr,
- TIPC_NODE_SCOPE, link_id, link_id);
+ tipc_mon_peer_up(net, n->addr, bearer_id);
+ tipc_nametbl_publish(net, &ua, &sk, n->link_id);
}
if (flags & TIPC_NOTIFY_LINK_DOWN) {
- tipc_mon_peer_down(net, addr, bearer_id);
- tipc_nametbl_withdraw(net, TIPC_LINK_STATE, addr,
- addr, link_id);
+ tipc_mon_peer_down(net, n->addr, bearer_id);
+ tipc_nametbl_withdraw(net, TIPC_LINK_STATE, n->addr,
+ n->addr, n->link_id);
}
}
diff --git a/net/tipc/socket.c b/net/tipc/socket.c
index fe522d49f747..94847252a7b7 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;
--
2.29.2
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