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-rw-r--r--net/tipc/addr.c1
-rw-r--r--net/tipc/addr.h46
-rw-r--r--net/tipc/bearer.c95
-rw-r--r--net/tipc/crypto.c12
-rw-r--r--net/tipc/monitor.c63
-rw-r--r--net/tipc/msg.c23
-rw-r--r--net/tipc/name_distr.c93
-rw-r--r--net/tipc/name_table.c428
-rw-r--r--net/tipc/name_table.h63
-rw-r--r--net/tipc/net.c8
-rw-r--r--net/tipc/netlink_compat.c2
-rw-r--r--net/tipc/node.c35
-rw-r--r--net/tipc/socket.c319
-rw-r--r--net/tipc/subscr.c86
-rw-r--r--net/tipc/subscr.h17
-rw-r--r--net/tipc/udp_media.c2
16 files changed, 712 insertions, 581 deletions
diff --git a/net/tipc/addr.c b/net/tipc/addr.c
index abe29d1aa23a..fd0796269eed 100644
--- a/net/tipc/addr.c
+++ b/net/tipc/addr.c
@@ -3,6 +3,7 @@
*
* Copyright (c) 2000-2006, 2018, Ericsson AB
* Copyright (c) 2004-2005, 2010-2011, Wind River Systems
+ * Copyright (c) 2020-2021, Red Hat Inc
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
diff --git a/net/tipc/addr.h b/net/tipc/addr.h
index 1a11831bef62..0772cfadaa0d 100644
--- a/net/tipc/addr.h
+++ b/net/tipc/addr.h
@@ -3,7 +3,7 @@
*
* Copyright (c) 2000-2006, 2018, Ericsson AB
* Copyright (c) 2004-2005, Wind River Systems
- * Copyright (c) 2020, Red Hat Inc
+ * Copyright (c) 2020-2021, Red Hat Inc
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -44,6 +44,50 @@
#include <net/netns/generic.h>
#include "core.h"
+/* Struct tipc_uaddr: internal version of struct sockaddr_tipc.
+ * Must be kept aligned both regarding field positions and size.
+ */
+struct tipc_uaddr {
+ unsigned short family;
+ unsigned char addrtype;
+ signed char scope;
+ union {
+ struct {
+ struct tipc_service_addr sa;
+ u32 lookup_node;
+ };
+ struct tipc_service_range sr;
+ struct tipc_socket_addr sk;
+ };
+};
+
+static inline void tipc_uaddr(struct tipc_uaddr *ua, u32 atype, u32 scope,
+ u32 type, u32 lower, u32 upper)
+{
+ ua->family = AF_TIPC;
+ ua->addrtype = atype;
+ ua->scope = scope;
+ ua->sr.type = type;
+ ua->sr.lower = lower;
+ ua->sr.upper = upper;
+}
+
+static inline bool tipc_uaddr_valid(struct tipc_uaddr *ua, int len)
+{
+ u32 atype;
+
+ if (len < sizeof(struct sockaddr_tipc))
+ return false;
+ atype = ua->addrtype;
+ if (ua->family != AF_TIPC)
+ return false;
+ if (atype == TIPC_SERVICE_ADDR || atype == TIPC_SOCKET_ADDR)
+ return true;
+ if (atype == TIPC_SERVICE_RANGE)
+ return ua->sr.upper >= ua->sr.lower;
+ return false;
+}
+
static inline u32 tipc_own_addr(struct net *net)
{
return tipc_net(net)->node_addr;
diff --git a/net/tipc/bearer.c b/net/tipc/bearer.c
index a4389ef08a98..443f8e5b9477 100644
--- a/net/tipc/bearer.c
+++ b/net/tipc/bearer.c
@@ -240,10 +240,12 @@ void tipc_bearer_remove_dest(struct net *net, u32 bearer_id, u32 dest)
* @disc_domain: bearer domain
* @prio: bearer priority
* @attr: nlattr array
+ * @extack: netlink extended ack
*/
static int tipc_enable_bearer(struct net *net, const char *name,
u32 disc_domain, u32 prio,
- struct nlattr *attr[])
+ struct nlattr *attr[],
+ struct netlink_ext_ack *extack)
{
struct tipc_net *tn = tipc_net(net);
struct tipc_bearer_names b_names;
@@ -254,20 +256,24 @@ static int tipc_enable_bearer(struct net *net, const char *name,
int bearer_id = 0;
int res = -EINVAL;
char *errstr = "";
+ u32 i;
if (!bearer_name_validate(name, &b_names)) {
errstr = "illegal name";
+ NL_SET_ERR_MSG(extack, "Illegal name");
goto rejected;
}
if (prio > TIPC_MAX_LINK_PRI && prio != TIPC_MEDIA_LINK_PRI) {
errstr = "illegal priority";
+ NL_SET_ERR_MSG(extack, "Illegal priority");
goto rejected;
}
m = tipc_media_find(b_names.media_name);
if (!m) {
errstr = "media not registered";
+ NL_SET_ERR_MSG(extack, "Media not registered");
goto rejected;
}
@@ -275,33 +281,43 @@ static int tipc_enable_bearer(struct net *net, const char *name,
prio = m->priority;
/* Check new bearer vs existing ones and find free bearer id if any */
- while (bearer_id < MAX_BEARERS) {
- b = rtnl_dereference(tn->bearer_list[bearer_id]);
- if (!b)
- break;
+ bearer_id = MAX_BEARERS;
+ i = MAX_BEARERS;
+ while (i-- != 0) {
+ b = rtnl_dereference(tn->bearer_list[i]);
+ if (!b) {
+ bearer_id = i;
+ continue;
+ }
if (!strcmp(name, b->name)) {
errstr = "already enabled";
+ NL_SET_ERR_MSG(extack, "Already enabled");
goto rejected;
}
- bearer_id++;
- if (b->priority != prio)
- continue;
- if (++with_this_prio <= 2)
- continue;
- pr_warn("Bearer <%s>: already 2 bearers with priority %u\n",
- name, prio);
- if (prio == TIPC_MIN_LINK_PRI) {
- errstr = "cannot adjust to lower";
- goto rejected;
+
+ if (b->priority == prio &&
+ (++with_this_prio > 2)) {
+ pr_warn("Bearer <%s>: already 2 bearers with priority %u\n",
+ name, prio);
+
+ if (prio == TIPC_MIN_LINK_PRI) {
+ errstr = "cannot adjust to lower";
+ NL_SET_ERR_MSG(extack, "Cannot adjust to lower");
+ goto rejected;
+ }
+
+ pr_warn("Bearer <%s>: trying with adjusted priority\n",
+ name);
+ prio--;
+ bearer_id = MAX_BEARERS;
+ i = MAX_BEARERS;
+ with_this_prio = 1;
}
- pr_warn("Bearer <%s>: trying with adjusted priority\n", name);
- prio--;
- bearer_id = 0;
- with_this_prio = 1;
}
if (bearer_id >= MAX_BEARERS) {
errstr = "max 3 bearers permitted";
+ NL_SET_ERR_MSG(extack, "Max 3 bearers permitted");
goto rejected;
}
@@ -315,6 +331,7 @@ static int tipc_enable_bearer(struct net *net, const char *name,
if (res) {
kfree(b);
errstr = "failed to enable media";
+ NL_SET_ERR_MSG(extack, "Failed to enable media");
goto rejected;
}
@@ -331,6 +348,7 @@ static int tipc_enable_bearer(struct net *net, const char *name,
if (res) {
bearer_disable(net, b);
errstr = "failed to create discoverer";
+ NL_SET_ERR_MSG(extack, "Failed to create discoverer");
goto rejected;
}
@@ -909,6 +927,7 @@ int tipc_nl_bearer_get(struct sk_buff *skb, struct genl_info *info)
bearer = tipc_bearer_find(net, name);
if (!bearer) {
err = -EINVAL;
+ NL_SET_ERR_MSG(info->extack, "Bearer not found");
goto err_out;
}
@@ -948,8 +967,10 @@ int __tipc_nl_bearer_disable(struct sk_buff *skb, struct genl_info *info)
name = nla_data(attrs[TIPC_NLA_BEARER_NAME]);
bearer = tipc_bearer_find(net, name);
- if (!bearer)
+ if (!bearer) {
+ NL_SET_ERR_MSG(info->extack, "Bearer not found");
return -EINVAL;
+ }
bearer_disable(net, bearer);
@@ -1007,7 +1028,8 @@ int __tipc_nl_bearer_enable(struct sk_buff *skb, struct genl_info *info)
prio = nla_get_u32(props[TIPC_NLA_PROP_PRIO]);
}
- return tipc_enable_bearer(net, bearer, domain, prio, attrs);
+ return tipc_enable_bearer(net, bearer, domain, prio, attrs,
+ info->extack);
}
int tipc_nl_bearer_enable(struct sk_buff *skb, struct genl_info *info)
@@ -1046,6 +1068,7 @@ int tipc_nl_bearer_add(struct sk_buff *skb, struct genl_info *info)
b = tipc_bearer_find(net, name);
if (!b) {
rtnl_unlock();
+ NL_SET_ERR_MSG(info->extack, "Bearer not found");
return -EINVAL;
}
@@ -1086,8 +1109,10 @@ int __tipc_nl_bearer_set(struct sk_buff *skb, struct genl_info *info)
name = nla_data(attrs[TIPC_NLA_BEARER_NAME]);
b = tipc_bearer_find(net, name);
- if (!b)
+ if (!b) {
+ NL_SET_ERR_MSG(info->extack, "Bearer not found");
return -EINVAL;
+ }
if (attrs[TIPC_NLA_BEARER_PROP]) {
struct nlattr *props[TIPC_NLA_PROP_MAX + 1];
@@ -1106,12 +1131,18 @@ int __tipc_nl_bearer_set(struct sk_buff *skb, struct genl_info *info)
if (props[TIPC_NLA_PROP_WIN])
b->max_win = nla_get_u32(props[TIPC_NLA_PROP_WIN]);
if (props[TIPC_NLA_PROP_MTU]) {
- if (b->media->type_id != TIPC_MEDIA_TYPE_UDP)
+ if (b->media->type_id != TIPC_MEDIA_TYPE_UDP) {
+ NL_SET_ERR_MSG(info->extack,
+ "MTU property is unsupported");
return -EINVAL;
+ }
#ifdef CONFIG_TIPC_MEDIA_UDP
if (tipc_udp_mtu_bad(nla_get_u32
- (props[TIPC_NLA_PROP_MTU])))
+ (props[TIPC_NLA_PROP_MTU]))) {
+ NL_SET_ERR_MSG(info->extack,
+ "MTU value is out-of-range");
return -EINVAL;
+ }
b->mtu = nla_get_u32(props[TIPC_NLA_PROP_MTU]);
tipc_node_apply_property(net, b, TIPC_NLA_PROP_MTU);
#endif
@@ -1239,6 +1270,7 @@ int tipc_nl_media_get(struct sk_buff *skb, struct genl_info *info)
rtnl_lock();
media = tipc_media_find(name);
if (!media) {
+ NL_SET_ERR_MSG(info->extack, "Media not found");
err = -EINVAL;
goto err_out;
}
@@ -1275,9 +1307,10 @@ int __tipc_nl_media_set(struct sk_buff *skb, struct genl_info *info)
name = nla_data(attrs[TIPC_NLA_MEDIA_NAME]);
m = tipc_media_find(name);
- if (!m)
+ if (!m) {
+ NL_SET_ERR_MSG(info->extack, "Media not found");
return -EINVAL;
-
+ }
if (attrs[TIPC_NLA_MEDIA_PROP]) {
struct nlattr *props[TIPC_NLA_PROP_MAX + 1];
@@ -1293,12 +1326,18 @@ int __tipc_nl_media_set(struct sk_buff *skb, struct genl_info *info)
if (props[TIPC_NLA_PROP_WIN])
m->max_win = nla_get_u32(props[TIPC_NLA_PROP_WIN]);
if (props[TIPC_NLA_PROP_MTU]) {
- if (m->type_id != TIPC_MEDIA_TYPE_UDP)
+ if (m->type_id != TIPC_MEDIA_TYPE_UDP) {
+ NL_SET_ERR_MSG(info->extack,
+ "MTU property is unsupported");
return -EINVAL;
+ }
#ifdef CONFIG_TIPC_MEDIA_UDP
if (tipc_udp_mtu_bad(nla_get_u32
- (props[TIPC_NLA_PROP_MTU])))
+ (props[TIPC_NLA_PROP_MTU]))) {
+ NL_SET_ERR_MSG(info->extack,
+ "MTU value is out-of-range");
return -EINVAL;
+ }
m->mtu = nla_get_u32(props[TIPC_NLA_PROP_MTU]);
#endif
}
diff --git a/net/tipc/crypto.c b/net/tipc/crypto.c
index 97710ce36047..e5c43d4d5a75 100644
--- a/net/tipc/crypto.c
+++ b/net/tipc/crypto.c
@@ -317,7 +317,7 @@ static int tipc_aead_key_generate(struct tipc_aead_key *skey);
#define tipc_aead_rcu_replace(rcu_ptr, ptr, lock) \
do { \
- typeof(rcu_ptr) __tmp = rcu_dereference_protected((rcu_ptr), \
+ struct tipc_aead *__tmp = rcu_dereference_protected((rcu_ptr), \
lockdep_is_held(lock)); \
rcu_assign_pointer((rcu_ptr), (ptr)); \
tipc_aead_put(__tmp); \
@@ -798,7 +798,7 @@ static int tipc_aead_encrypt(struct tipc_aead *aead, struct sk_buff *skb,
ehdr = (struct tipc_ehdr *)skb->data;
salt = aead->salt;
if (aead->mode == CLUSTER_KEY)
- salt ^= ehdr->addr; /* __be32 */
+ salt ^= __be32_to_cpu(ehdr->addr);
else if (__dnode)
salt ^= tipc_node_get_addr(__dnode);
memcpy(iv, &salt, 4);
@@ -929,7 +929,7 @@ static int tipc_aead_decrypt(struct net *net, struct tipc_aead *aead,
ehdr = (struct tipc_ehdr *)skb->data;
salt = aead->salt;
if (aead->mode == CLUSTER_KEY)
- salt ^= ehdr->addr; /* __be32 */
+ salt ^= __be32_to_cpu(ehdr->addr);
else if (ehdr->destined)
salt ^= tipc_own_addr(net);
memcpy(iv, &salt, 4);
@@ -1492,6 +1492,8 @@ int tipc_crypto_start(struct tipc_crypto **crypto, struct net *net,
/* Allocate statistic structure */
c->stats = alloc_percpu_gfp(struct tipc_crypto_stats, GFP_ATOMIC);
if (!c->stats) {
+ if (c->wq)
+ destroy_workqueue(c->wq);
kfree_sensitive(c);
return -ENOMEM;
}
@@ -1951,12 +1953,12 @@ static void tipc_crypto_rcv_complete(struct net *net, struct tipc_aead *aead,
}
if (unlikely(err)) {
- tipc_aead_users_dec(aead, INT_MIN);
+ tipc_aead_users_dec((struct tipc_aead __force __rcu *)aead, INT_MIN);
goto free_skb;
}
/* Set the RX key's user */
- tipc_aead_users_set(aead, 1);
+ tipc_aead_users_set((struct tipc_aead __force __rcu *)aead, 1);
/* Mark this point, RX works */
rx->timer1 = jiffies;
diff --git a/net/tipc/monitor.c b/net/tipc/monitor.c
index 48fac3b17e40..407619697292 100644
--- a/net/tipc/monitor.c
+++ b/net/tipc/monitor.c
@@ -104,6 +104,36 @@ static struct tipc_monitor *tipc_monitor(struct net *net, int bearer_id)
const int tipc_max_domain_size = sizeof(struct tipc_mon_domain);
+static inline u16 mon_cpu_to_le16(u16 val)
+{
+ return (__force __u16)htons(val);
+}
+
+static inline u32 mon_cpu_to_le32(u32 val)
+{
+ return (__force __u32)htonl(val);
+}
+
+static inline u64 mon_cpu_to_le64(u64 val)
+{
+ return (__force __u64)cpu_to_be64(val);
+}
+
+static inline u16 mon_le16_to_cpu(u16 val)
+{
+ return ntohs((__force __be16)val);
+}
+
+static inline u32 mon_le32_to_cpu(u32 val)
+{
+ return ntohl((__force __be32)val);
+}
+
+static inline u64 mon_le64_to_cpu(u64 val)
+{
+ return be64_to_cpu((__force __be64)val);
+}
+
/* dom_rec_len(): actual length of domain record for transport
*/
static int dom_rec_len(struct tipc_mon_domain *dom, u16 mcnt)
@@ -260,16 +290,16 @@ static void mon_update_local_domain(struct tipc_monitor *mon)
diff |= dom->members[i] != peer->addr;
dom->members[i] = peer->addr;
map_set(&dom->up_map, i, peer->is_up);
- cache->members[i] = htonl(peer->addr);
+ cache->members[i] = mon_cpu_to_le32(peer->addr);
}
diff |= dom->up_map != prev_up_map;
if (!diff)
return;
dom->gen = ++mon->dom_gen;
- cache->len = htons(dom->len);
- cache->gen = htons(dom->gen);
- cache->member_cnt = htons(member_cnt);
- cache->up_map = cpu_to_be64(dom->up_map);
+ cache->len = mon_cpu_to_le16(dom->len);
+ cache->gen = mon_cpu_to_le16(dom->gen);
+ cache->member_cnt = mon_cpu_to_le16(member_cnt);
+ cache->up_map = mon_cpu_to_le64(dom->up_map);
mon_apply_domain(mon, self);
}
@@ -455,10 +485,11 @@ void tipc_mon_rcv(struct net *net, void *data, u16 dlen, u32 addr,
struct tipc_mon_domain dom_bef;
struct tipc_mon_domain *dom;
struct tipc_peer *peer;
- u16 new_member_cnt = ntohs(arrv_dom->member_cnt);
+ u16 new_member_cnt = mon_le16_to_cpu(arrv_dom->member_cnt);
int new_dlen = dom_rec_len(arrv_dom, new_member_cnt);
- u16 new_gen = ntohs(arrv_dom->gen);
- u16 acked_gen = ntohs(arrv_dom->ack_gen);
+ u16 new_gen = mon_le16_to_cpu(arrv_dom->gen);
+ u16 acked_gen = mon_le16_to_cpu(arrv_dom->ack_gen);
+ u16 arrv_dlen = mon_le16_to_cpu(arrv_dom->len);
bool probing = state->probing;
int i, applied_bef;
@@ -469,7 +500,7 @@ void tipc_mon_rcv(struct net *net, void *data, u16 dlen, u32 addr,
return;
if (dlen != dom_rec_len(arrv_dom, new_member_cnt))
return;
- if ((dlen < new_dlen) || ntohs(arrv_dom->len) != new_dlen)
+ if (dlen < new_dlen || arrv_dlen != new_dlen)
return;
/* Synch generation numbers with peer if link just came up */
@@ -517,9 +548,9 @@ void tipc_mon_rcv(struct net *net, void *data, u16 dlen, u32 addr,
dom->len = new_dlen;
dom->gen = new_gen;
dom->member_cnt = new_member_cnt;
- dom->up_map = be64_to_cpu(arrv_dom->up_map);
+ dom->up_map = mon_le64_to_cpu(arrv_dom->up_map);
for (i = 0; i < new_member_cnt; i++)
- dom->members[i] = ntohl(arrv_dom->members[i]);
+ dom->members[i] = mon_le32_to_cpu(arrv_dom->members[i]);
/* Update peers affected by this domain record */
applied_bef = peer->applied;
@@ -548,19 +579,19 @@ void tipc_mon_prep(struct net *net, void *data, int *dlen,
if (likely(state->acked_gen == gen)) {
len = dom_rec_len(dom, 0);
*dlen = len;
- dom->len = htons(len);
- dom->gen = htons(gen);
- dom->ack_gen = htons(state->peer_gen);
+ dom->len = mon_cpu_to_le16(len);
+ dom->gen = mon_cpu_to_le16(gen);
+ dom->ack_gen = mon_cpu_to_le16(state->peer_gen);
dom->member_cnt = 0;
return;
}
/* Send the full record */
read_lock_bh(&mon->lock);
- len = ntohs(mon->cache.len);
+ len = mon_le16_to_cpu(mon->cache.len);
*dlen = len;
memcpy(data, &mon->cache, len);
read_unlock_bh(&mon->lock);
- dom->ack_gen = htons(state->peer_gen);
+ dom->ack_gen = mon_cpu_to_le16(state->peer_gen);
}
void tipc_mon_get_state(struct net *net, u32 addr,
diff --git a/net/tipc/msg.c b/net/tipc/msg.c
index e9263280a2d4..3f0a25345a7c 100644
--- a/net/tipc/msg.c
+++ b/net/tipc/msg.c
@@ -707,8 +707,11 @@ bool tipc_msg_skb_clone(struct sk_buff_head *msg, struct sk_buff_head *cpy)
bool tipc_msg_lookup_dest(struct net *net, struct sk_buff *skb, int *err)
{
struct tipc_msg *msg = buf_msg(skb);
- u32 dport, dnode;
- u32 onode = tipc_own_addr(net);
+ u32 scope = msg_lookup_scope(msg);
+ u32 self = tipc_own_addr(net);
+ u32 inst = msg_nameinst(msg);
+ struct tipc_socket_addr sk;
+ struct tipc_uaddr ua;
if (!msg_isdata(msg))
return false;
@@ -722,16 +725,16 @@ bool tipc_msg_lookup_dest(struct net *net, struct sk_buff *skb, int *err)
msg = buf_msg(skb);
if (msg_reroute_cnt(msg))
return false;
- dnode = tipc_scope2node(net, msg_lookup_scope(msg));
- dport = tipc_nametbl_translate(net, msg_nametype(msg),
- msg_nameinst(msg), &dnode);
- if (!dport)
+ tipc_uaddr(&ua, TIPC_SERVICE_RANGE, scope,
+ msg_nametype(msg), inst, inst);
+ sk.node = tipc_scope2node(net, scope);
+ if (!tipc_nametbl_lookup_anycast(net, &ua, &sk))
return false;
msg_incr_reroute_cnt(msg);
- if (dnode != onode)
- msg_set_prevnode(msg, onode);
- msg_set_destnode(msg, dnode);
- msg_set_destport(msg, dport);
+ if (sk.node != self)
+ msg_set_prevnode(msg, self);
+ msg_set_destnode(msg, sk.node);
+ msg_set_destport(msg, sk.ref);
*err = TIPC_OK;
return true;
diff --git a/net/tipc/name_distr.c b/net/tipc/name_distr.c
index 6cf57c3bfa27..bda902caa814 100644
--- a/net/tipc/name_distr.c
+++ b/net/tipc/name_distr.c
@@ -1,8 +1,9 @@
/*
* net/tipc/name_distr.c: TIPC name distribution code
*
- * Copyright (c) 2000-2006, 2014, Ericsson AB
+ * Copyright (c) 2000-2006, 2014-2019, Ericsson AB
* Copyright (c) 2005, 2010-2011, Wind River Systems
+ * Copyright (c) 2020-2021, Red Hat Inc
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -55,10 +56,10 @@ struct distr_queue_item {
*/
static void publ_to_item(struct distr_item *i, struct publication *p)
{
- i->type = htonl(p->type);
- i->lower = htonl(p->lower);
- i->upper = htonl(p->upper);
- i->port = htonl(p->port);
+ i->type = htonl(p->sr.type);
+ i->lower = htonl(p->sr.lower);
+ i->upper = htonl(p->sr.upper);
+ i->port = htonl(p->sk.ref);
i->key = htonl(p->key);
}
@@ -90,20 +91,20 @@ static struct sk_buff *named_prepare_buf(struct net *net, u32 type, u32 size,
/**
* tipc_named_publish - tell other nodes about a new publication by this node
* @net: the associated network namespace
- * @publ: the new publication
+ * @p: the new publication
*/
-struct sk_buff *tipc_named_publish(struct net *net, struct publication *publ)
+struct sk_buff *tipc_named_publish(struct net *net, struct publication *p)
{
struct name_table *nt = tipc_name_table(net);
struct distr_item *item;
struct sk_buff *skb;
- if (publ->scope == TIPC_NODE_SCOPE) {
- list_add_tail_rcu(&publ->binding_node, &nt->node_scope);
+ if (p->scope == TIPC_NODE_SCOPE) {
+ list_add_tail_rcu(&p->binding_node, &nt->node_scope);
return NULL;
}
write_lock_bh(&nt->cluster_scope_lock);
- list_add_tail(&publ->binding_node, &nt->cluster_scope);
+ list_add_tail(&p->binding_node, &nt->cluster_scope);
write_unlock_bh(&nt->cluster_scope_lock);
skb = named_prepare_buf(net, PUBLICATION, ITEM_SIZE, 0);
if (!skb) {
@@ -113,25 +114,25 @@ struct sk_buff *tipc_named_publish(struct net *net, struct publication *publ)
msg_set_named_seqno(buf_msg(skb), nt->snd_nxt++);
msg_set_non_legacy(buf_msg(skb));
item = (struct distr_item *)msg_data(buf_msg(skb));
- publ_to_item(item, publ);
+ publ_to_item(item, p);
return skb;
}
/**
* tipc_named_withdraw - tell other nodes about a withdrawn publication by this node
* @net: the associated network namespace
- * @publ: the withdrawn publication
+ * @p: the withdrawn publication
*/
-struct sk_buff *tipc_named_withdraw(struct net *net, struct publication *publ)
+struct sk_buff *tipc_named_withdraw(struct net *net, struct publication *p)
{
struct name_table *nt = tipc_name_table(net);
struct distr_item *item;
struct sk_buff *skb;
write_lock_bh(&nt->cluster_scope_lock);
- list_del(&publ->binding_node);
+ list_del(&p->binding_node);
write_unlock_bh(&nt->cluster_scope_lock);
- if (publ->scope == TIPC_NODE_SCOPE)
+ if (p->scope == TIPC_NODE_SCOPE)
return NULL;
skb = named_prepare_buf(net, WITHDRAWAL, ITEM_SIZE, 0);
@@ -142,7 +143,7 @@ struct sk_buff *tipc_named_withdraw(struct net *net, struct publication *publ)
msg_set_named_seqno(buf_msg(skb), nt->snd_nxt++);
msg_set_non_legacy(buf_msg(skb));
item = (struct distr_item *)msg_data(buf_msg(skb));
- publ_to_item(item, publ);
+ publ_to_item(item, p);
return skb;
}
@@ -233,33 +234,27 @@ void tipc_named_node_up(struct net *net, u32 dnode, u16 capabilities)
/**
* tipc_publ_purge - remove publication associated with a failed node
* @net: the associated network namespace
- * @publ: the publication to remove
+ * @p: the publication to remove
* @addr: failed node's address
*
* Invoked for each publication issued by a newly failed node.
* Removes publication structure from name table & deletes it.
*/
-static void tipc_publ_purge(struct net *net, struct publication *publ, u32 addr)
+static void tipc_publ_purge(struct net *net, struct publication *p, u32 addr)
{
struct tipc_net *tn = tipc_net(net);
- struct publication *p;
+ struct publication *_p;
+ struct tipc_uaddr ua;
+ tipc_uaddr(&ua, TIPC_SERVICE_RANGE, p->scope, p->sr.type,
+ p->sr.lower, p->sr.upper);
spin_lock_bh(&tn->nametbl_lock);
- p = tipc_nametbl_remove_publ(net, publ->type, publ->lower, publ->upper,
- publ->node, publ->key);
- if (p)
- tipc_node_unsubscribe(net, &p->binding_node, addr);
+ _p = tipc_nametbl_remove_publ(net, &ua, &p->sk, p->key);
+ if (_p)
+ tipc_node_unsubscribe(net, &_p->binding_node, addr);
spin_unlock_bh(&tn->nametbl_lock);
-
- if (p != publ) {
- pr_err("Unable to remove publication from failed node\n"
- " (type=%u, lower=%u, node=0x%x, port=%u, key=%u)\n",
- publ->type, publ->lower, publ->node, publ->port,
- publ->key);
- }
-
- if (p)
- kfree_rcu(p, rcu);
+ if (_p)
+ kfree_rcu(_p, rcu);
}
void tipc_publ_notify(struct net *net, struct list_head *nsub_list,
@@ -293,30 +288,30 @@ static bool tipc_update_nametbl(struct net *net, struct distr_item *i,
u32 node, u32 dtype)
{
struct publication *p = NULL;
- u32 lower = ntohl(i->lower);
- u32 upper = ntohl(i->upper);
- u32 type = ntohl(i->type);
- u32 port = ntohl(i->port);
+ struct tipc_socket_addr sk;
+ struct tipc_uaddr ua;
u32 key = ntohl(i->key);
+ tipc_uaddr(&ua, TIPC_SERVICE_RANGE, TIPC_CLUSTER_SCOPE,
+ ntohl(i->type), ntohl(i->lower), ntohl(i->upper));
+ sk.ref = ntohl(i->port);
+ sk.node = node;
+
if (dtype == PUBLICATION) {
- p = tipc_nametbl_insert_publ(net, type, lower, upper,
- TIPC_CLUSTER_SCOPE, node,
- port, key);
+ p = tipc_nametbl_insert_publ(net, &ua, &sk, key);
if (p) {
tipc_node_subscribe(net, &p->binding_node, node);
return true;
}
} else if (dtype == WITHDRAWAL) {
- p = tipc_nametbl_remove_publ(net, type, lower,
- upper, node, key);
+ p = tipc_nametbl_remove_publ(net, &ua, &sk, key);
if (p) {
tipc_node_unsubscribe(net, &p->binding_node, node);
kfree_rcu(p, rcu);
return true;
}
- pr_warn_ratelimited("Failed to remove binding %u,%u from %x\n",
- type, lower, node);
+ pr_warn_ratelimited("Failed to remove binding %u,%u from %u\n",
+ ua.sr.type, ua.sr.lower, node);
} else {
pr_warn("Unrecognized name table message received\n");
}
@@ -410,15 +405,15 @@ void tipc_named_reinit(struct net *net)
{
struct name_table *nt = tipc_name_table(net);
struct tipc_net *tn = tipc_net(net);
- struct publication *publ;
+ struct publication *p;
u32 self = tipc_own_addr(net);
spin_lock_bh(&tn->nametbl_lock);
- list_for_each_entry_rcu(publ, &nt->node_scope, binding_node)
- publ->node = self;
- list_for_each_entry_rcu(publ, &nt->cluster_scope, binding_node)
- publ->node = self;
+ list_for_each_entry_rcu(p, &nt->node_scope, binding_node)
+ p->sk.node = self;
+ list_for_each_entry_rcu(p, &nt->cluster_scope, binding_node)
+ p->sk.node = self;
nt->rc_dests = 0;
spin_unlock_bh(&tn->nametbl_lock);
}
diff --git a/net/tipc/name_table.c b/net/tipc/name_table.c
index f8141443f2e2..fecab516bf41 100644
--- a/net/tipc/name_table.c
+++ b/net/tipc/name_table.c
@@ -3,7 +3,7 @@
*
* Copyright (c) 2000-2006, 2014-2018, Ericsson AB
* Copyright (c) 2004-2008, 2010-2014, Wind River Systems
- * Copyright (c) 2020, Red Hat Inc
+ * Copyright (c) 2020-2021, Red Hat Inc
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -222,59 +222,57 @@ static int hash(int x)
/**
* tipc_publ_create - create a publication structure
- * @type: name sequence type
- * @lower: name sequence lower bound
- * @upper: name sequence upper bound
- * @scope: publication scope
- * @node: network address of publishing socket
- * @port: publishing port
+ * @ua: the service range the user is binding to
+ * @sk: the address of the socket that is bound
* @key: publication key
*/
-static struct publication *tipc_publ_create(u32 type, u32 lower, u32 upper,
- u32 scope, u32 node, u32 port,
+static struct publication *tipc_publ_create(struct tipc_uaddr *ua,
+ struct tipc_socket_addr *sk,
u32 key)
{
- struct publication *publ = kzalloc(sizeof(*publ), GFP_ATOMIC);
+ struct publication *p = kzalloc(sizeof(*p), GFP_ATOMIC);
- if (!publ)
+ if (!p)
return NULL;
- publ->type = type;
- publ->lower = lower;
- publ->upper = upper;
- publ->scope = scope;
- publ->node = node;
- publ->port = port;
- publ->key = key;
- INIT_LIST_HEAD(&publ->binding_sock);
- INIT_LIST_HEAD(&publ->binding_node);
- INIT_LIST_HEAD(&publ->local_publ);
- INIT_LIST_HEAD(&publ->all_publ);
- INIT_LIST_HEAD(&publ->list);
- return publ;
+ p->sr = ua->sr;
+ p->sk = *sk;
+ p->scope = ua->scope;
+ p->key = key;
+ INIT_LIST_HEAD(&p->binding_sock);
+ INIT_LIST_HEAD(&p->binding_node);
+ INIT_LIST_HEAD(&p->local_publ);
+ INIT_LIST_HEAD(&p->all_publ);
+ INIT_LIST_HEAD(&p->list);
+ return p;
}
/**
* tipc_service_create - create a service structure for the specified 'type'
- * @type: service type
- * @hd: name_table services list
+ * @net: network namespace
+ * @ua: address representing the service to be bound
*
* Allocates a single range structure and sets it to all 0's.
*/
-static struct tipc_service *tipc_service_create(u32 type, struct hlist_head *hd)
+static struct tipc_service *tipc_service_create(struct net *net,
+ struct tipc_uaddr *ua)
{
- struct tipc_service *service = kzalloc(sizeof(*service), GFP_ATOMIC);
+ struct name_table *nt = tipc_name_table(net);
+ struct tipc_service *service;
+ struct hlist_head *hd;
+ service = kzalloc(sizeof(*service), GFP_ATOMIC);
if (!service) {
pr_warn("Service creation failed, no memory\n");
return NULL;
}
spin_lock_init(&service->lock);
- service->type = type;
+ service->type = ua->sr.type;
service->ranges = RB_ROOT;
INIT_HLIST_NODE(&service->service_list);
INIT_LIST_HEAD(&service->subscriptions);
+ hd = &nt->services[hash(ua->sr.type)];
hlist_add_head_rcu(&service->service_list, hd);
return service;
}
@@ -282,13 +280,13 @@ static struct tipc_service *tipc_service_create(u32 type, struct hlist_head *hd)
/* tipc_service_find_range - find service range matching publication parameters
*/
static struct service_range *tipc_service_find_range(struct tipc_service *sc,
- u32 lower, u32 upper)
+ struct tipc_uaddr *ua)
{
struct service_range *sr;
- service_range_foreach_match(sr, sc, lower, upper) {
+ service_range_foreach_match(sr, sc, ua->sr.lower, ua->sr.upper) {
/* Look for exact match */
- if (sr->lower == lower && sr->upper == upper)
+ if (sr->lower == ua->sr.lower && sr->upper == ua->sr.upper)
return sr;
}
@@ -296,10 +294,12 @@ static struct service_range *tipc_service_find_range(struct tipc_service *sc,
}
static struct service_range *tipc_service_create_range(struct tipc_service *sc,
- u32 lower, u32 upper)
+ struct publication *p)
{
struct rb_node **n, *parent = NULL;
struct service_range *sr;
+ u32 lower = p->sr.lower;
+ u32 upper = p->sr.upper;
n = &sc->ranges.rb_node;
while (*n) {
@@ -327,64 +327,68 @@ static struct service_range *tipc_service_create_range(struct tipc_service *sc,
return sr;
}
-static struct publication *tipc_service_insert_publ(struct net *net,
- struct tipc_service *sc,
- u32 type, u32 lower,
- u32 upper, u32 scope,
- u32 node, u32 port,
- u32 key)
+static bool tipc_service_insert_publ(struct net *net,
+ struct tipc_service *sc,
+ struct publication *p)
{
struct tipc_subscription *sub, *tmp;
struct service_range *sr;
- struct publication *p;
+ struct publication *_p;
+ u32 node = p->sk.node;
bool first = false;
+ bool res = false;
+ u32 key = p->key;
- sr = tipc_service_create_range(sc, lower, upper);
+ spin_lock_bh(&sc->lock);
+ sr = tipc_service_create_range(sc, p);
if (!sr)
- goto err;
+ goto exit;
first = list_empty(&sr->all_publ);
/* Return if the publication already exists */
- list_for_each_entry(p, &sr->all_publ, all_publ) {
- if (p->key == key && (!p->node || p->node == node))
- return NULL;
+ list_for_each_entry(_p, &sr->all_publ, all_publ) {
+ if (_p->key == key && (!_p->sk.node || _p->sk.node == node)) {
+ pr_debug("Failed to bind duplicate %u,%u,%u/%u:%u/%u\n",
+ p->sr.type, p->sr.lower, p->sr.upper,
+ node, p->sk.ref, key);
+ goto exit;
+ }
}
- /* Create and insert publication */
- p = tipc_publ_create(type, lower, upper, scope, node, port, key);
- if (!p)
- goto err;
- /* Suppose there shouldn't be a huge gap btw publs i.e. >INT_MAX */
- p->id = sc->publ_cnt++;
- if (in_own_node(net, node))
+ if (in_own_node(net, p->sk.node))
list_add(&p->local_publ, &sr->local_publ);
list_add(&p->all_publ, &sr->all_publ);
+ p->id = sc->publ_cnt++;
/* Any subscriptions waiting for notification? */
list_for_each_entry_safe(sub, tmp, &sc->subscriptions, service_list) {
- tipc_sub_report_overlap(sub, p->lower, p->upper, TIPC_PUBLISHED,
- p->port, p->node, p->scope, first);
+ tipc_sub_report_overlap(sub, p, TIPC_PUBLISHED, first);
}
- return p;
-err:
- pr_warn("Failed to bind to %u,%u,%u, no memory\n", type, lower, upper);
- return NULL;
+ res = true;
+exit:
+ if (!res)
+ pr_warn("Failed to bind to %u,%u,%u\n",
+ p->sr.type, p->sr.lower, p->sr.upper);
+ spin_unlock_bh(&sc->lock);
+ return res;
}
/**
* tipc_service_remove_publ - remove a publication from a service
- * @sr: service_range to remove publication from
- * @node: target node
+ * @r: service_range to remove publication from
+ * @sk: address publishing socket
* @key: target publication key
*/
-static struct publication *tipc_service_remove_publ(struct service_range *sr,
- u32 node, u32 key)
+static struct publication *tipc_service_remove_publ(struct service_range *r,
+ struct tipc_socket_addr *sk,
+ u32 key)
{
struct publication *p;
+ u32 node = sk->node;
- list_for_each_entry(p, &sr->all_publ, all_publ) {
- if (p->key != key || (node && node != p->node))
+ list_for_each_entry(p, &r->all_publ, all_publ) {
+ if (p->key != key || (node && node != p->sk.node))
continue;
list_del(&p->all_publ);
list_del(&p->local_publ);
@@ -417,17 +421,14 @@ static int tipc_publ_sort(void *priv, const struct list_head *a,
static void tipc_service_subscribe(struct tipc_service *service,
struct tipc_subscription *sub)
{
- struct tipc_subscr *sb = &sub->evt.s;
struct publication *p, *first, *tmp;
struct list_head publ_list;
struct service_range *sr;
- struct tipc_service_range r;
- u32 filter;
+ u32 filter, lower, upper;
- r.type = tipc_sub_read(sb, seq.type);
- r.lower = tipc_sub_read(sb, seq.lower);
- r.upper = tipc_sub_read(sb, seq.upper);
- filter = tipc_sub_read(sb, filter);
+ filter = sub->s.filter;
+ lower = sub->s.seq.lower;
+ upper = sub->s.seq.upper;
tipc_sub_get(sub);
list_add(&sub->service_list, &service->subscriptions);
@@ -436,7 +437,7 @@ static void tipc_service_subscribe(struct tipc_service *service,
return;
INIT_LIST_HEAD(&publ_list);
- service_range_foreach_match(sr, service, r.lower, r.upper) {
+ service_range_foreach_match(sr, service, lower, upper) {
first = NULL;
list_for_each_entry(p, &sr->all_publ, all_publ) {
if (filter & TIPC_SUB_PORTS)
@@ -452,80 +453,74 @@ static void tipc_service_subscribe(struct tipc_service *service,
/* Sort the publications before reporting */
list_sort(NULL, &publ_list, tipc_publ_sort);
list_for_each_entry_safe(p, tmp, &publ_list, list) {
- tipc_sub_report_overlap(sub, p->lower, p->upper,
- TIPC_PUBLISHED, p->port, p->node,
- p->scope, true);
+ tipc_sub_report_overlap(sub, p, TIPC_PUBLISHED, true);
list_del_init(&p->list);
}
}
-static struct tipc_service *tipc_service_find(struct net *net, u32 type)
+static struct tipc_service *tipc_service_find(struct net *net,
+ struct tipc_uaddr *ua)
{
struct name_table *nt = tipc_name_table(net);
struct hlist_head *service_head;
struct tipc_service *service;
- service_head = &nt->services[hash(type)];
+ service_head = &nt->services[hash(ua->sr.type)];
hlist_for_each_entry_rcu(service, service_head, service_list) {
- if (service->type == type)
+ if (service->type == ua->sr.type)
return service;
}
return NULL;
};
-struct publication *tipc_nametbl_insert_publ(struct net *net, u32 type,
- u32 lower, u32 upper,
- u32 scope, u32 node,
- u32 port, u32 key)
+struct publication *tipc_nametbl_insert_publ(struct net *net,
+ struct tipc_uaddr *ua,
+ struct tipc_socket_addr *sk,
+ u32 key)
{
- struct name_table *nt = tipc_name_table(net);
struct tipc_service *sc;
struct publication *p;
- if (scope > TIPC_NODE_SCOPE || lower > upper) {
- pr_debug("Failed to bind illegal {%u,%u,%u} with scope %u\n",
- type, lower, upper, scope);
- return NULL;
- }
- sc = tipc_service_find(net, type);
- if (!sc)
- sc = tipc_service_create(type, &nt->services[hash(type)]);
- if (!sc)
+ p = tipc_publ_create(ua, sk, key);
+ if (!p)
return NULL;
- spin_lock_bh(&sc->lock);
- p = tipc_service_insert_publ(net, sc, type, lower, upper,
- scope, node, port, key);
- spin_unlock_bh(&sc->lock);
- return p;
+ sc = tipc_service_find(net, ua);
+ if (!sc)
+ sc = tipc_service_create(net, ua);
+ if (sc && tipc_service_insert_publ(net, sc, p))
+ return p;
+ kfree(p);
+ return NULL;
}
-struct publication *tipc_nametbl_remove_publ(struct net *net, u32 type,
- u32 lower, u32 upper,
- u32 node, u32 key)
+struct publication *tipc_nametbl_remove_publ(struct net *net,
+ struct tipc_uaddr *ua,
+ struct tipc_socket_addr *sk,
+ u32 key)
{
- struct tipc_service *sc = tipc_service_find(net, type);
struct tipc_subscription *sub, *tmp;
- struct service_range *sr = NULL;
struct publication *p = NULL;
+ struct service_range *sr;
+ struct tipc_service *sc;
bool last;
+ sc = tipc_service_find(net, ua);
if (!sc)
- return NULL;
+ goto exit;
spin_lock_bh(&sc->lock);
- sr = tipc_service_find_range(sc, lower, upper);
+ sr = tipc_service_find_range(sc, ua);
if (!sr)
- goto exit;
- p = tipc_service_remove_publ(sr, node, key);
+ goto unlock;
+ p = tipc_service_remove_publ(sr, sk, key);
if (!p)
- goto exit;
+ goto unlock;
/* Notify any waiting subscriptions */
last = list_empty(&sr->all_publ);
list_for_each_entry_safe(sub, tmp, &sc->subscriptions, service_list) {
- tipc_sub_report_overlap(sub, lower, upper, TIPC_WITHDRAWN,
- p->port, node, p->scope, last);
+ tipc_sub_report_overlap(sub, p, TIPC_WITHDRAWN, last);
}
/* Remove service range item if this was its last publication */
@@ -534,77 +529,85 @@ struct publication *tipc_nametbl_remove_publ(struct net *net, u32 type,
kfree(sr);
}
- /* Delete service item if this no more publications and subscriptions */
+ /* Delete service item if no more publications and subscriptions */
if (RB_EMPTY_ROOT(&sc->ranges) && list_empty(&sc->subscriptions)) {
hlist_del_init_rcu(&sc->service_list);
kfree_rcu(sc, rcu);
}
-exit:
+unlock:
spin_unlock_bh(&sc->lock);
+exit:
+ if (!p) {
+ pr_err("Failed to remove unknown binding: %u,%u,%u/%u:%u/%u\n",
+ ua->sr.type, ua->sr.lower, ua->sr.upper,
+ sk->node, sk->ref, key);
+ }
return p;
}
/**
- * tipc_nametbl_translate - perform service instance to socket translation
+ * tipc_nametbl_lookup_anycast - perform service instance to socket translation
* @net: network namespace
- * @type: message type
- * @instance: message instance
- * @dnode: the search domain used during translation
+ * @ua: service address to look up
+ * @sk: address to socket we want to find
+ *
+ * On entry, a non-zero 'sk->node' indicates the node where we want lookup to be
+ * performed, which may not be this one.
*
* On exit:
- * - if translation is deferred to another node, leave 'dnode' unchanged and
- * return 0
- * - if translation is attempted and succeeds, set 'dnode' to the publishing
- * node and return the published (non-zero) port number
- * - if translation is attempted and fails, set 'dnode' to 0 and return 0
+ *
+ * - If lookup is deferred to another node, leave 'sk->node' unchanged and
+ * return 'true'.
+ * - If lookup is successful, set the 'sk->node' and 'sk->ref' (== portid) which
+ * represent the bound socket and return 'true'.
+ * - If lookup fails, return 'false'
*
* Note that for legacy users (node configured with Z.C.N address format) the
- * 'closest-first' lookup algorithm must be maintained, i.e., if dnode is 0
+ * 'closest-first' lookup algorithm must be maintained, i.e., if sk.node is 0
* we must look in the local binding list first
*/
-u32 tipc_nametbl_translate(struct net *net, u32 type, u32 instance, u32 *dnode)
+bool tipc_nametbl_lookup_anycast(struct net *net,
+ struct tipc_uaddr *ua,
+ struct tipc_socket_addr *sk)
{
struct tipc_net *tn = tipc_net(net);
bool legacy = tn->legacy_addr_format;
u32 self = tipc_own_addr(net);
- struct service_range *sr;
+ u32 inst = ua->sa.instance;
+ struct service_range *r;
struct tipc_service *sc;
- struct list_head *list;
struct publication *p;
- u32 port = 0;
- u32 node = 0;
+ struct list_head *l;
+ bool res = false;
- if (!tipc_in_scope(legacy, *dnode, self))
- return 0;
+ if (!tipc_in_scope(legacy, sk->node, self))
+ return true;
rcu_read_lock();
- sc = tipc_service_find(net, type);
+ sc = tipc_service_find(net, ua);
if (unlikely(!sc))
goto exit;
spin_lock_bh(&sc->lock);
- service_range_foreach_match(sr, sc, instance, instance) {
+ service_range_foreach_match(r, sc, inst, inst) {
/* Select lookup algo: local, closest-first or round-robin */
- if (*dnode == self) {
- list = &sr->local_publ;
- if (list_empty(list))
+ if (sk->node == self) {
+ l = &r->local_publ;
+ if (list_empty(l))
continue;
- p = list_first_entry(list, struct publication,
- local_publ);
- list_move_tail(&p->local_publ, &sr->local_publ);
- } else if (legacy && !*dnode && !list_empty(&sr->local_publ)) {
- list = &sr->local_publ;
- p = list_first_entry(list, struct publication,
- local_publ);
- list_move_tail(&p->local_publ, &sr->local_publ);
+ p = list_first_entry(l, struct publication, local_publ);
+ list_move_tail(&p->local_publ, &r->local_publ);
+ } else if (legacy && !sk->node && !list_empty(&r->local_publ)) {
+ l = &r->local_publ;
+ p = list_first_entry(l, struct publication, local_publ);
+ list_move_tail(&p->local_publ, &r->local_publ);
} else {
- list = &sr->all_publ;
- p = list_first_entry(list, struct publication,
- all_publ);
- list_move_tail(&p->all_publ, &sr->all_publ);
+ l = &r->all_publ;
+ p = list_first_entry(l, struct publication, all_publ);
+ list_move_tail(&p->all_publ, &r->all_publ);
}
- port = p->port;
- node = p->node;
+ *sk = p->sk;
+ res = true;
/* Todo: as for legacy, pick the first matching range only, a
* "true" round-robin will be performed as needed.
*/
@@ -614,40 +617,45 @@ u32 tipc_nametbl_translate(struct net *net, u32 type, u32 instance, u32 *dnode)
exit:
rcu_read_unlock();
- *dnode = node;
- return port;
+ return res;
}
-bool tipc_nametbl_lookup(struct net *net, u32 type, u32 instance, u32 scope,
- struct list_head *dsts, int *dstcnt, u32 exclude,
- bool all)
+/* tipc_nametbl_lookup_group(): lookup destinaton(s) in a communication group
+ * Returns a list of one (== group anycast) or more (== group multicast)
+ * destination socket/node pairs matching the given address.
+ * The requester may or may not want to exclude himself from the list.
+ */
+bool tipc_nametbl_lookup_group(struct net *net, struct tipc_uaddr *ua,
+ struct list_head *dsts, int *dstcnt,
+ u32 exclude, bool mcast)
{
u32 self = tipc_own_addr(net);
+ u32 inst = ua->sa.instance;
struct service_range *sr;
struct tipc_service *sc;
struct publication *p;
*dstcnt = 0;
rcu_read_lock();
- sc = tipc_service_find(net, type);
+ sc = tipc_service_find(net, ua);
if (unlikely(!sc))
goto exit;
spin_lock_bh(&sc->lock);
/* Todo: a full search i.e. service_range_foreach_match() instead? */
- sr = service_range_match_first(sc->ranges.rb_node, instance, instance);
+ sr = service_range_match_first(sc->ranges.rb_node, inst, inst);
if (!sr)
goto no_match;
list_for_each_entry(p, &sr->all_publ, all_publ) {
- if (p->scope != scope)
+ if (p->scope != ua->scope)
continue;
- if (p->port == exclude && p->node == self)
+ if (p->sk.ref == exclude && p->sk.node == self)
continue;
- tipc_dest_push(dsts, p->node, p->port);
+ tipc_dest_push(dsts, p->sk.node, p->sk.ref);
(*dstcnt)++;
- if (all)
+ if (mcast)
continue;
list_move_tail(&p->all_publ, &sr->all_publ);
break;
@@ -659,23 +667,29 @@ exit:
return !list_empty(dsts);
}
-void tipc_nametbl_mc_lookup(struct net *net, u32 type, u32 lower, u32 upper,
- u32 scope, bool exact, struct list_head *dports)
+/* tipc_nametbl_lookup_mcast_sockets(): look up node local destinaton sockets
+ * matching the given address
+ * 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, 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);
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->port);
+ tipc_dest_push(dports, 0, p->sk.ref);
}
}
spin_unlock_bh(&sc->lock);
@@ -683,26 +697,27 @@ exit:
rcu_read_unlock();
}
-/* tipc_nametbl_lookup_dst_nodes - find broadcast destination nodes
- * - Creates list of nodes that overlap the given multicast address
- * - Determines if any node local destinations overlap
+/* tipc_nametbl_lookup_mcast_nodes(): look up all destination nodes matching
+ * the given address. Used in sending node.
+ * Used on nodes which are sending out a multicast/broadcast message
+ * Returns a list of nodes, including own node if applicable
*/
-void tipc_nametbl_lookup_dst_nodes(struct net *net, u32 type, u32 lower,
- u32 upper, struct tipc_nlist *nodes)
+void tipc_nametbl_lookup_mcast_nodes(struct net *net, struct tipc_uaddr *ua,
+ struct tipc_nlist *nodes)
{
struct service_range *sr;
struct tipc_service *sc;
struct publication *p;
rcu_read_lock();
- sc = tipc_service_find(net, type);
+ sc = tipc_service_find(net, ua);
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->all_publ, all_publ) {
- tipc_nlist_add(nodes, p->node);
+ tipc_nlist_add(nodes, p->sk.node);
}
}
spin_unlock_bh(&sc->lock);
@@ -713,7 +728,7 @@ exit:
/* tipc_nametbl_build_group - build list of communication group members
*/
void tipc_nametbl_build_group(struct net *net, struct tipc_group *grp,
- u32 type, u32 scope)
+ struct tipc_uaddr *ua)
{
struct service_range *sr;
struct tipc_service *sc;
@@ -721,7 +736,7 @@ void tipc_nametbl_build_group(struct net *net, struct tipc_group *grp,
struct rb_node *n;
rcu_read_lock();
- sc = tipc_service_find(net, type);
+ sc = tipc_service_find(net, ua);
if (!sc)
goto exit;
@@ -729,9 +744,10 @@ void tipc_nametbl_build_group(struct net *net, struct tipc_group *grp,
for (n = rb_first(&sc->ranges); n; n = rb_next(n)) {
sr = container_of(n, struct service_range, tree_node);
list_for_each_entry(p, &sr->all_publ, all_publ) {
- if (p->scope != scope)
+ if (p->scope != ua->scope)
continue;
- tipc_group_add_member(grp, p->node, p->port, p->lower);
+ tipc_group_add_member(grp, p->sk.node, p->sk.ref,
+ p->sr.lower);
}
}
spin_unlock_bh(&sc->lock);
@@ -741,9 +757,8 @@ exit:
/* 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);
@@ -758,8 +773,7 @@ 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, sk, key);
if (p) {
nt->local_publ_count++;
skb = tipc_named_publish(net, p);
@@ -777,41 +791,33 @@ exit:
/**
* tipc_nametbl_withdraw - withdraw a service binding
* @net: network namespace
- * @type: service type
- * @lower: service range lower bound
- * @upper: service range upper bound
+ * @ua: service address/range being unbound
+ * @sk: address of the socket being unbound from
* @key: target publication key
*/
-int tipc_nametbl_withdraw(struct net *net, u32 type, u32 lower,
- u32 upper, u32 key)
+void tipc_nametbl_withdraw(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);
- u32 self = tipc_own_addr(net);
struct sk_buff *skb = NULL;
struct publication *p;
u32 rc_dests;
spin_lock_bh(&tn->nametbl_lock);
- p = tipc_nametbl_remove_publ(net, type, lower, upper, self, key);
+ p = tipc_nametbl_remove_publ(net, ua, sk, key);
if (p) {
nt->local_publ_count--;
skb = tipc_named_withdraw(net, p);
list_del_init(&p->binding_sock);
kfree_rcu(p, rcu);
- } else {
- pr_err("Failed to remove local publication {%u,%u,%u}/%u\n",
- type, lower, upper, key);
}
rc_dests = nt->rc_dests;
spin_unlock_bh(&tn->nametbl_lock);
- if (skb) {
+ if (skb)
tipc_node_broadcast(net, skb, rc_dests);
- return 1;
- }
- return 0;
}
/**
@@ -820,25 +826,25 @@ int tipc_nametbl_withdraw(struct net *net, u32 type, u32 lower,
*/
bool tipc_nametbl_subscribe(struct tipc_subscription *sub)
{
- struct name_table *nt = tipc_name_table(sub->net);
struct tipc_net *tn = tipc_net(sub->net);
- struct tipc_subscr *s = &sub->evt.s;
- u32 type = tipc_sub_read(s, seq.type);
+ u32 type = sub->s.seq.type;
struct tipc_service *sc;
+ struct tipc_uaddr ua;
bool res = true;
+ tipc_uaddr(&ua, TIPC_SERVICE_RANGE, TIPC_NODE_SCOPE, type,
+ sub->s.seq.lower, sub->s.seq.upper);
spin_lock_bh(&tn->nametbl_lock);
- sc = tipc_service_find(sub->net, type);
+ sc = tipc_service_find(sub->net, &ua);
if (!sc)
- sc = tipc_service_create(type, &nt->services[hash(type)]);
+ sc = tipc_service_create(sub->net, &ua);
if (sc) {
spin_lock_bh(&sc->lock);
tipc_service_subscribe(sc, sub);
spin_unlock_bh(&sc->lock);
} else {
- pr_warn("Failed to subscribe for {%u,%u,%u}\n", type,
- tipc_sub_read(s, seq.lower),
- tipc_sub_read(s, seq.upper));
+ pr_warn("Failed to subscribe for {%u,%u,%u}\n",
+ type, sub->s.seq.lower, sub->s.seq.upper);
res = false;
}
spin_unlock_bh(&tn->nametbl_lock);
@@ -852,12 +858,13 @@ bool tipc_nametbl_subscribe(struct tipc_subscription *sub)
void tipc_nametbl_unsubscribe(struct tipc_subscription *sub)
{
struct tipc_net *tn = tipc_net(sub->net);
- struct tipc_subscr *s = &sub->evt.s;
- u32 type = tipc_sub_read(s, seq.type);
struct tipc_service *sc;
+ struct tipc_uaddr ua;
+ tipc_uaddr(&ua, TIPC_SERVICE_RANGE, TIPC_NODE_SCOPE,
+ sub->s.seq.type, sub->s.seq.lower, sub->s.seq.upper);
spin_lock_bh(&tn->nametbl_lock);
- sc = tipc_service_find(sub->net, type);
+ sc = tipc_service_find(sub->net, &ua);
if (!sc)
goto exit;
@@ -909,7 +916,7 @@ static void tipc_service_delete(struct net *net, struct tipc_service *sc)
spin_lock_bh(&sc->lock);
rbtree_postorder_for_each_entry_safe(sr, tmpr, &sc->ranges, tree_node) {
list_for_each_entry_safe(p, tmp, &sr->all_publ, all_publ) {
- tipc_service_remove_publ(sr, p->node, p->key);
+ tipc_service_remove_publ(sr, &p->sk, p->key);
kfree_rcu(p, rcu);
}
rb_erase_augmented(&sr->tree_node, &sc->ranges, &sr_callbacks);
@@ -993,9 +1000,9 @@ static int __tipc_nl_add_nametable_publ(struct tipc_nl_msg *msg,
goto publ_msg_full;
if (nla_put_u32(msg->skb, TIPC_NLA_PUBL_SCOPE, p->scope))
goto publ_msg_full;
- if (nla_put_u32(msg->skb, TIPC_NLA_PUBL_NODE, p->node))
+ if (nla_put_u32(msg->skb, TIPC_NLA_PUBL_NODE, p->sk.node))
goto publ_msg_full;
- if (nla_put_u32(msg->skb, TIPC_NLA_PUBL_REF, p->port))
+ if (nla_put_u32(msg->skb, TIPC_NLA_PUBL_REF, p->sk.ref))
goto publ_msg_full;
if (nla_put_u32(msg->skb, TIPC_NLA_PUBL_KEY, p->key))
goto publ_msg_full;
@@ -1046,6 +1053,7 @@ static int tipc_nl_service_list(struct net *net, struct tipc_nl_msg *msg,
struct tipc_net *tn = tipc_net(net);
struct tipc_service *service = NULL;
struct hlist_head *head;
+ struct tipc_uaddr ua;
int err;
int i;
@@ -1059,7 +1067,9 @@ static int tipc_nl_service_list(struct net *net, struct tipc_nl_msg *msg,
if (*last_type ||
(!i && *last_key && (*last_lower == *last_key))) {
- service = tipc_service_find(net, *last_type);
+ tipc_uaddr(&ua, TIPC_SERVICE_RANGE, TIPC_NODE_SCOPE,
+ *last_type, *last_lower, *last_lower);
+ service = tipc_service_find(net, &ua);
if (!service)
return -EPIPE;
} else {
diff --git a/net/tipc/name_table.h b/net/tipc/name_table.h
index 5a82a01369d6..c7c9a3ddd420 100644
--- a/net/tipc/name_table.h
+++ b/net/tipc/name_table.h
@@ -3,6 +3,7 @@
*
* Copyright (c) 2000-2006, 2014-2018, Ericsson AB
* Copyright (c) 2004-2005, 2010-2011, Wind River Systems
+ * Copyright (c) 2020-2021, Red Hat Inc
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -41,6 +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)
@@ -50,13 +52,10 @@ struct tipc_group;
#define TIPC_NAMETBL_SIZE 1024 /* must be a power of 2 */
/**
- * struct publication - info about a published (name or) name sequence
- * @type: name sequence type
- * @lower: name sequence lower bound
- * @upper: name sequence upper bound
+ * struct publication - info about a published service address or range
+ * @sr: service range represented by this publication
+ * @sk: address of socket bound to this publication
* @scope: scope of publication, TIPC_NODE_SCOPE or TIPC_CLUSTER_SCOPE
- * @node: network address of publishing socket's node
- * @port: publishing port
* @key: publication key, unique across the cluster
* @id: publication id
* @binding_node: all publications from the same node which bound this one
@@ -74,12 +73,9 @@ struct tipc_group;
* @rcu: RCU callback head used for deferred freeing
*/
struct publication {
- u32 type;
- u32 lower;
- u32 upper;
- u32 scope;
- u32 node;
- u32 port;
+ struct tipc_service_range sr;
+ struct tipc_socket_addr sk;
+ u16 scope;
u32 key;
u32 id;
struct list_head binding_node;
@@ -114,28 +110,29 @@ struct name_table {
};
int tipc_nl_name_table_dump(struct sk_buff *skb, struct netlink_callback *cb);
-
-u32 tipc_nametbl_translate(struct net *net, u32 type, u32 instance, u32 *node);
-void tipc_nametbl_mc_lookup(struct net *net, u32 type, u32 lower, u32 upper,
- u32 scope, bool exact, struct list_head *dports);
+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, struct tipc_uaddr *ua,
+ bool exact, struct list_head *dports);
+void tipc_nametbl_lookup_mcast_nodes(struct net *net, struct tipc_uaddr *ua,
+ struct tipc_nlist *nodes);
+bool tipc_nametbl_lookup_group(struct net *net, struct tipc_uaddr *ua,
+ struct list_head *dsts, int *dstcnt,
+ u32 exclude, bool mcast);
void tipc_nametbl_build_group(struct net *net, struct tipc_group *grp,
- u32 type, u32 domain);
-void tipc_nametbl_lookup_dst_nodes(struct net *net, u32 type, u32 lower,
- u32 upper, struct tipc_nlist *nodes);
-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);
-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,
- u32 lower, u32 upper, u32 scope,
- u32 node, u32 ref, u32 key);
-struct publication *tipc_nametbl_remove_publ(struct net *net, u32 type,
- u32 lower, u32 upper,
- u32 node, u32 key);
+ struct tipc_uaddr *ua);
+struct publication *tipc_nametbl_publish(struct net *net, struct tipc_uaddr *ua,
+ struct tipc_socket_addr *sk, u32 key);
+void tipc_nametbl_withdraw(struct net *net, struct tipc_uaddr *ua,
+ struct tipc_socket_addr *sk, u32 key);
+struct publication *tipc_nametbl_insert_publ(struct net *net,
+ struct tipc_uaddr *ua,
+ struct tipc_socket_addr *sk,
+ u32 key);
+struct publication *tipc_nametbl_remove_publ(struct net *net,
+ struct tipc_uaddr *ua,
+ struct tipc_socket_addr *sk,
+ u32 key);
bool tipc_nametbl_subscribe(struct tipc_subscription *s);
void tipc_nametbl_unsubscribe(struct tipc_subscription *s);
int tipc_nametbl_init(struct net *net);
diff --git a/net/tipc/net.c b/net/tipc/net.c
index faf6bf554514..a130195af188 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/netlink_compat.c b/net/tipc/netlink_compat.c
index 5a1ce64039f7..0749df80454d 100644
--- a/net/tipc/netlink_compat.c
+++ b/net/tipc/netlink_compat.c
@@ -696,7 +696,7 @@ static int tipc_nl_compat_link_dump(struct tipc_nl_compat_msg *msg,
if (err)
return err;
- link_info.dest = nla_get_flag(link[TIPC_NLA_LINK_DEST]);
+ link_info.dest = htonl(nla_get_flag(link[TIPC_NLA_LINK_DEST]));
link_info.up = htonl(nla_get_flag(link[TIPC_NLA_LINK_UP]));
nla_strscpy(link_info.str, link[TIPC_NLA_LINK_NAME],
TIPC_MAX_LINK_NAME);
diff --git a/net/tipc/node.c b/net/tipc/node.c
index e0ee83263a39..8217905348f4 100644
--- a/net/tipc/node.c
+++ b/net/tipc/node.c
@@ -372,42 +372,49 @@ static struct tipc_node *tipc_node_find_by_id(struct net *net, u8 *id)
}
static void tipc_node_read_lock(struct tipc_node *n)
+ __acquires(n->lock)
{
read_lock_bh(&n->lock);
}
static void tipc_node_read_unlock(struct tipc_node *n)
+ __releases(n->lock)
{
read_unlock_bh(&n->lock);
}
static void tipc_node_write_lock(struct tipc_node *n)
+ __acquires(n->lock)
{
write_lock_bh(&n->lock);
}
static void tipc_node_write_unlock_fast(struct tipc_node *n)
+ __releases(n->lock)
{
write_unlock_bh(&n->lock);
}
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 |
@@ -416,20 +423,18 @@ 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, &ua, &sk, n->link_id);
}
}
@@ -2009,7 +2014,7 @@ static bool tipc_node_check_state(struct tipc_node *n, struct sk_buff *skb,
return true;
}
- /* No synching needed if only one link */
+ /* No syncing needed if only one link */
if (!pl || !tipc_link_is_up(pl))
return true;
diff --git a/net/tipc/socket.c b/net/tipc/socket.c
index 022999e0202d..58935cd0d068 100644
--- a/net/tipc/socket.c
+++ b/net/tipc/socket.c
@@ -3,7 +3,7 @@
*
* Copyright (c) 2001-2007, 2012-2019, Ericsson AB
* Copyright (c) 2004-2008, 2010-2013, Wind River Systems
- * Copyright (c) 2020, Red Hat Inc
+ * Copyright (c) 2020-2021, Red Hat Inc
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -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);
@@ -151,10 +151,8 @@ 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_withdraw(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, struct tipc_uaddr *ua);
static int tipc_sk_leave(struct tipc_sock *tsk);
static struct tipc_sock *tipc_sk_lookup(struct net *net, u32 portid);
static int tipc_sk_insert(struct tipc_sock *tsk);
@@ -644,7 +642,7 @@ static int tipc_release(struct socket *sock)
__tipc_shutdown(sock, TIPC_ERR_NO_PORT);
sk->sk_shutdown = SHUTDOWN_MASK;
tipc_sk_leave(tsk);
- tipc_sk_withdraw(tsk, 0, NULL);
+ tipc_sk_withdraw(tsk, NULL);
__skb_queue_purge(&tsk->mc_method.deferredq);
sk_stop_timer(sk, &sk->sk_timer);
tipc_sk_remove(tsk);
@@ -677,22 +675,31 @@ 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);
+ return tipc_sk_withdraw(tsk, 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);
+ return tipc_sk_publish(tsk, ua);
}
int tipc_sk_bind(struct socket *sock, struct sockaddr *skaddr, int alen)
@@ -707,18 +714,17 @@ 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;
}
}
@@ -826,7 +832,7 @@ static __poll_t tipc_poll(struct file *file, struct socket *sock,
/**
* tipc_sendmcast - send multicast message
* @sock: socket structure
- * @seq: destination address
+ * @ua: destination address struct
* @msg: message to send
* @dlen: length of data to send
* @timeout: timeout to wait for wakeup
@@ -834,7 +840,7 @@ static __poll_t tipc_poll(struct file *file, struct socket *sock,
* Called from function tipc_sendmsg(), which has done all sanity checks
* Return: the number of bytes sent on success, or errno
*/
-static int tipc_sendmcast(struct socket *sock, struct tipc_service_range *seq,
+static int tipc_sendmcast(struct socket *sock, struct tipc_uaddr *ua,
struct msghdr *msg, size_t dlen, long timeout)
{
struct sock *sk = sock->sk;
@@ -842,7 +848,6 @@ static int tipc_sendmcast(struct socket *sock, struct tipc_service_range *seq,
struct tipc_msg *hdr = &tsk->phdr;
struct net *net = sock_net(sk);
int mtu = tipc_bcast_get_mtu(net);
- struct tipc_mc_method *method = &tsk->mc_method;
struct sk_buff_head pkts;
struct tipc_nlist dsts;
int rc;
@@ -857,8 +862,7 @@ static int tipc_sendmcast(struct socket *sock, struct tipc_service_range *seq,
/* Lookup destination nodes */
tipc_nlist_init(&dsts, tipc_own_addr(net));
- tipc_nametbl_lookup_dst_nodes(net, seq->type, seq->lower,
- seq->upper, &dsts);
+ tipc_nametbl_lookup_mcast_nodes(net, ua, &dsts);
if (!dsts.local && !dsts.remote)
return -EHOSTUNREACH;
@@ -868,9 +872,9 @@ static int tipc_sendmcast(struct socket *sock, struct tipc_service_range *seq,
msg_set_lookup_scope(hdr, TIPC_CLUSTER_SCOPE);
msg_set_destport(hdr, 0);
msg_set_destnode(hdr, 0);
- msg_set_nametype(hdr, seq->type);
- msg_set_namelower(hdr, seq->lower);
- msg_set_nameupper(hdr, seq->upper);
+ msg_set_nametype(hdr, ua->sr.type);
+ msg_set_namelower(hdr, ua->sr.lower);
+ msg_set_nameupper(hdr, ua->sr.upper);
/* Build message as chain of buffers */
__skb_queue_head_init(&pkts);
@@ -880,7 +884,7 @@ static int tipc_sendmcast(struct socket *sock, struct tipc_service_range *seq,
if (unlikely(rc == dlen)) {
trace_tipc_sk_sendmcast(sk, skb_peek(&pkts),
TIPC_DUMP_SK_SNDQ, " ");
- rc = tipc_mcast_xmit(net, &pkts, method, &dsts,
+ rc = tipc_mcast_xmit(net, &pkts, &tsk->mc_method, &dsts,
&tsk->cong_link_cnt);
}
@@ -954,7 +958,7 @@ static int tipc_send_group_unicast(struct socket *sock, struct msghdr *m,
int dlen, long timeout)
{
struct sock *sk = sock->sk;
- DECLARE_SOCKADDR(struct sockaddr_tipc *, dest, m->msg_name);
+ struct tipc_uaddr *ua = (struct tipc_uaddr *)m->msg_name;
int blks = tsk_blocks(GROUP_H_SIZE + dlen);
struct tipc_sock *tsk = tipc_sk(sk);
struct net *net = sock_net(sk);
@@ -962,8 +966,8 @@ static int tipc_send_group_unicast(struct socket *sock, struct msghdr *m,
u32 node, port;
int rc;
- node = dest->addr.id.node;
- port = dest->addr.id.ref;
+ node = ua->sk.node;
+ port = ua->sk.ref;
if (!port && !node)
return -EHOSTUNREACH;
@@ -997,7 +1001,7 @@ static int tipc_send_group_unicast(struct socket *sock, struct msghdr *m,
static int tipc_send_group_anycast(struct socket *sock, struct msghdr *m,
int dlen, long timeout)
{
- DECLARE_SOCKADDR(struct sockaddr_tipc *, dest, m->msg_name);
+ struct tipc_uaddr *ua = (struct tipc_uaddr *)m->msg_name;
struct sock *sk = sock->sk;
struct tipc_sock *tsk = tipc_sk(sk);
struct list_head *cong_links = &tsk->cong_links;
@@ -1008,16 +1012,13 @@ static int tipc_send_group_anycast(struct socket *sock, struct msghdr *m,
struct net *net = sock_net(sk);
u32 node, port, exclude;
struct list_head dsts;
- u32 type, inst, scope;
int lookups = 0;
int dstcnt, rc;
bool cong;
INIT_LIST_HEAD(&dsts);
-
- type = msg_nametype(hdr);
- inst = dest->addr.name.name.instance;
- scope = msg_lookup_scope(hdr);
+ ua->sa.type = msg_nametype(hdr);
+ ua->scope = msg_lookup_scope(hdr);
while (++lookups < 4) {
exclude = tipc_group_exclude(tsk->group);
@@ -1026,8 +1027,8 @@ static int tipc_send_group_anycast(struct socket *sock, struct msghdr *m,
/* Look for a non-congested destination member, if any */
while (1) {
- if (!tipc_nametbl_lookup(net, type, inst, scope, &dsts,
- &dstcnt, exclude, false))
+ if (!tipc_nametbl_lookup_group(net, ua, &dsts, &dstcnt,
+ exclude, false))
return -EHOSTUNREACH;
tipc_dest_pop(&dsts, &node, &port);
cong = tipc_group_cong(tsk->group, node, port, blks,
@@ -1082,7 +1083,7 @@ static int tipc_send_group_anycast(struct socket *sock, struct msghdr *m,
static int tipc_send_group_bcast(struct socket *sock, struct msghdr *m,
int dlen, long timeout)
{
- DECLARE_SOCKADDR(struct sockaddr_tipc *, dest, m->msg_name);
+ struct tipc_uaddr *ua = (struct tipc_uaddr *)m->msg_name;
struct sock *sk = sock->sk;
struct net *net = sock_net(sk);
struct tipc_sock *tsk = tipc_sk(sk);
@@ -1107,9 +1108,9 @@ static int tipc_send_group_bcast(struct socket *sock, struct msghdr *m,
return -EHOSTUNREACH;
/* Complete message header */
- if (dest) {
+ if (ua) {
msg_set_type(hdr, TIPC_GRP_MCAST_MSG);
- msg_set_nameinst(hdr, dest->addr.name.name.instance);
+ msg_set_nameinst(hdr, ua->sa.instance);
} else {
msg_set_type(hdr, TIPC_GRP_BCAST_MSG);
msg_set_nameinst(hdr, 0);
@@ -1156,29 +1157,25 @@ static int tipc_send_group_bcast(struct socket *sock, struct msghdr *m,
static int tipc_send_group_mcast(struct socket *sock, struct msghdr *m,
int dlen, long timeout)
{
+ struct tipc_uaddr *ua = (struct tipc_uaddr *)m->msg_name;
struct sock *sk = sock->sk;
- DECLARE_SOCKADDR(struct sockaddr_tipc *, dest, m->msg_name);
struct tipc_sock *tsk = tipc_sk(sk);
struct tipc_group *grp = tsk->group;
struct tipc_msg *hdr = &tsk->phdr;
struct net *net = sock_net(sk);
- u32 type, inst, scope, exclude;
struct list_head dsts;
- u32 dstcnt;
+ u32 dstcnt, exclude;
INIT_LIST_HEAD(&dsts);
-
- type = msg_nametype(hdr);
- inst = dest->addr.name.name.instance;
- scope = msg_lookup_scope(hdr);
+ ua->sa.type = msg_nametype(hdr);
+ ua->scope = msg_lookup_scope(hdr);
exclude = tipc_group_exclude(grp);
- if (!tipc_nametbl_lookup(net, type, inst, scope, &dsts,
- &dstcnt, exclude, true))
+ if (!tipc_nametbl_lookup_group(net, ua, &dsts, &dstcnt, exclude, true))
return -EHOSTUNREACH;
if (dstcnt == 1) {
- tipc_dest_pop(&dsts, &dest->addr.id.node, &dest->addr.id.ref);
+ tipc_dest_pop(&dsts, &ua->sk.node, &ua->sk.ref);
return tipc_send_group_unicast(sock, m, dlen, timeout);
}
@@ -1198,17 +1195,18 @@ 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)) {
@@ -1217,7 +1215,7 @@ 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);
@@ -1232,24 +1230,23 @@ 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_mc_lookup(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)) {
@@ -1417,44 +1414,43 @@ static int __tipc_sendmsg(struct socket *sock, struct msghdr *m, size_t dlen)
struct sock *sk = sock->sk;
struct net *net = sock_net(sk);
struct tipc_sock *tsk = tipc_sk(sk);
- DECLARE_SOCKADDR(struct sockaddr_tipc *, dest, m->msg_name);
+ struct tipc_uaddr *ua = (struct tipc_uaddr *)m->msg_name;
long timeout = sock_sndtimeo(sk, m->msg_flags & MSG_DONTWAIT);
struct list_head *clinks = &tsk->cong_links;
bool syn = !tipc_sk_type_connectionless(sk);
struct tipc_group *grp = tsk->group;
struct tipc_msg *hdr = &tsk->phdr;
- struct tipc_service_range *seq;
+ struct tipc_socket_addr skaddr;
struct sk_buff_head pkts;
- u32 dport = 0, dnode = 0;
- u32 type = 0, inst = 0;
- int mtu, rc;
+ int atype, mtu, rc;
if (unlikely(dlen > TIPC_MAX_USER_MSG_SIZE))
return -EMSGSIZE;
- if (likely(dest)) {
- if (unlikely(m->msg_namelen < sizeof(*dest)))
- return -EINVAL;
- if (unlikely(dest->family != AF_TIPC))
+ if (ua) {
+ if (!tipc_uaddr_valid(ua, m->msg_namelen))
return -EINVAL;
+ atype = ua->addrtype;
}
+ /* If socket belongs to a communication group follow other paths */
if (grp) {
- if (!dest)
+ if (!ua)
return tipc_send_group_bcast(sock, m, dlen, timeout);
- if (dest->addrtype == TIPC_SERVICE_ADDR)
+ if (atype == TIPC_SERVICE_ADDR)
return tipc_send_group_anycast(sock, m, dlen, timeout);
- if (dest->addrtype == TIPC_SOCKET_ADDR)
+ if (atype == TIPC_SOCKET_ADDR)
return tipc_send_group_unicast(sock, m, dlen, timeout);
- if (dest->addrtype == TIPC_ADDR_MCAST)
+ if (atype == TIPC_SERVICE_RANGE)
return tipc_send_group_mcast(sock, m, dlen, timeout);
return -EINVAL;
}
- if (unlikely(!dest)) {
- dest = &tsk->peer;
- if (!syn && dest->family != AF_TIPC)
+ if (!ua) {
+ ua = (struct tipc_uaddr *)&tsk->peer;
+ if (!syn && ua->family != AF_TIPC)
return -EDESTADDRREQ;
+ atype = ua->addrtype;
}
if (unlikely(syn)) {
@@ -1464,54 +1460,51 @@ static int __tipc_sendmsg(struct socket *sock, struct msghdr *m, size_t dlen)
return -EISCONN;
if (tsk->published)
return -EOPNOTSUPP;
- if (dest->addrtype == TIPC_SERVICE_ADDR) {
- tsk->conn_type = dest->addr.name.name.type;
- tsk->conn_instance = dest->addr.name.name.instance;
+ if (atype == TIPC_SERVICE_ADDR) {
+ tsk->conn_type = ua->sa.type;
+ tsk->conn_instance = ua->sa.instance;
}
msg_set_syn(hdr, 1);
}
- seq = &dest->addr.nameseq;
- if (dest->addrtype == TIPC_ADDR_MCAST)
- return tipc_sendmcast(sock, seq, m, dlen, timeout);
-
- if (dest->addrtype == TIPC_SERVICE_ADDR) {
- type = dest->addr.name.name.type;
- inst = dest->addr.name.name.instance;
- dnode = dest->addr.name.domain;
- dport = tipc_nametbl_translate(net, type, inst, &dnode);
- if (unlikely(!dport && !dnode))
+ /* Determine destination */
+ if (atype == TIPC_SERVICE_RANGE) {
+ return tipc_sendmcast(sock, ua, m, dlen, timeout);
+ } else if (atype == TIPC_SERVICE_ADDR) {
+ skaddr.node = ua->lookup_node;
+ ua->scope = tipc_node2scope(skaddr.node);
+ if (!tipc_nametbl_lookup_anycast(net, ua, &skaddr))
return -EHOSTUNREACH;
- } else if (dest->addrtype == TIPC_SOCKET_ADDR) {
- dnode = dest->addr.id.node;
+ } else if (atype == TIPC_SOCKET_ADDR) {
+ skaddr = ua->sk;
} else {
return -EINVAL;
}
/* Block or return if destination link is congested */
rc = tipc_wait_for_cond(sock, &timeout,
- !tipc_dest_find(clinks, dnode, 0));
+ !tipc_dest_find(clinks, skaddr.node, 0));
if (unlikely(rc))
return rc;
- if (dest->addrtype == TIPC_SERVICE_ADDR) {
+ /* Finally build message header */
+ msg_set_destnode(hdr, skaddr.node);
+ msg_set_destport(hdr, skaddr.ref);
+ if (atype == TIPC_SERVICE_ADDR) {
msg_set_type(hdr, TIPC_NAMED_MSG);
msg_set_hdr_sz(hdr, NAMED_H_SIZE);
- msg_set_nametype(hdr, type);
- msg_set_nameinst(hdr, inst);
- msg_set_lookup_scope(hdr, tipc_node2scope(dnode));
- msg_set_destnode(hdr, dnode);
- msg_set_destport(hdr, dport);
+ msg_set_nametype(hdr, ua->sa.type);
+ msg_set_nameinst(hdr, ua->sa.instance);
+ msg_set_lookup_scope(hdr, ua->scope);
} else { /* TIPC_SOCKET_ADDR */
msg_set_type(hdr, TIPC_DIRECT_MSG);
msg_set_lookup_scope(hdr, 0);
- msg_set_destnode(hdr, dnode);
- msg_set_destport(hdr, dest->addr.id.ref);
msg_set_hdr_sz(hdr, BASIC_H_SIZE);
}
+ /* Add message body */
__skb_queue_head_init(&pkts);
- mtu = tipc_node_get_mtu(net, dnode, tsk->portid, true);
+ mtu = tipc_node_get_mtu(net, skaddr.node, tsk->portid, true);
rc = tipc_msg_build(hdr, m, 0, dlen, mtu, &pkts);
if (unlikely(rc != dlen))
return rc;
@@ -1520,10 +1513,11 @@ static int __tipc_sendmsg(struct socket *sock, struct msghdr *m, size_t dlen)
return -ENOMEM;
}
+ /* Send message */
trace_tipc_sk_sendmsg(sk, skb_peek(&pkts), TIPC_DUMP_SK_SNDQ, " ");
- rc = tipc_node_xmit(net, &pkts, dnode, tsk->portid);
+ rc = tipc_node_xmit(net, &pkts, skaddr.node, tsk->portid);
if (unlikely(rc == -ELINKCONG)) {
- tipc_dest_push(clinks, dnode, 0);
+ tipc_dest_push(clinks, skaddr.node, 0);
tsk->cong_link_cnt++;
rc = 0;
}
@@ -2891,66 +2885,62 @@ 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;
}
-static int tipc_sk_withdraw(struct tipc_sock *tsk, uint scope,
- struct tipc_service_range const *seq)
+static int tipc_sk_withdraw(struct tipc_sock *tsk, struct tipc_uaddr *ua)
{
struct net *net = sock_net(&tsk->sk);
- struct publication *publ;
- struct publication *safe;
+ struct publication *safe, *p;
+ struct tipc_uaddr _ua;
int rc = -EINVAL;
- if (scope != TIPC_NODE_SCOPE)
- scope = TIPC_CLUSTER_SCOPE;
-
- list_for_each_entry_safe(publ, safe, &tsk->publications, binding_sock) {
- if (seq) {
- if (publ->scope != scope)
- continue;
- if (publ->type != seq->type)
- continue;
- if (publ->lower != seq->lower)
- continue;
- if (publ->upper != seq->upper)
- break;
- tipc_nametbl_withdraw(net, publ->type, publ->lower,
- publ->upper, publ->key);
- rc = 0;
- break;
+ list_for_each_entry_safe(p, safe, &tsk->publications, binding_sock) {
+ if (!ua) {
+ tipc_uaddr(&_ua, TIPC_SERVICE_RANGE, p->scope,
+ p->sr.type, p->sr.lower, p->sr.upper);
+ tipc_nametbl_withdraw(net, &_ua, &p->sk, p->key);
+ continue;
}
- tipc_nametbl_withdraw(net, publ->type, publ->lower,
- publ->upper, publ->key);
+ /* Unbind specific publication */
+ if (p->scope != ua->scope)
+ continue;
+ if (p->sr.type != ua->sr.type)
+ continue;
+ if (p->sr.lower != ua->sr.lower)
+ continue;
+ if (p->sr.upper != ua->sr.upper)
+ break;
+ tipc_nametbl_withdraw(net, ua, &p->sk, p->key);
rc = 0;
+ break;
}
- if (list_empty(&tsk->publications))
+ if (list_empty(&tsk->publications)) {
tsk->published = 0;
+ rc = 0;
+ }
return rc;
}
@@ -3067,13 +3057,15 @@ 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 +3075,10 @@ 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);
+ tipc_nametbl_build_group(net, grp, &ua);
+ rc = tipc_sk_publish(tsk, &ua);
if (rc) {
tipc_group_delete(net, grp);
tsk->group = NULL;
@@ -3104,15 +3095,17 @@ static int tipc_sk_leave(struct tipc_sock *tsk)
{
struct net *net = sock_net(&tsk->sk);
struct tipc_group *grp = tsk->group;
- struct tipc_service_range seq;
+ struct tipc_uaddr ua;
int scope;
if (!grp)
return -EINVAL;
- tipc_group_self(grp, &seq, &scope);
+ ua.addrtype = TIPC_SERVICE_RANGE;
+ tipc_group_self(grp, &ua.sr, &scope);
+ ua.scope = scope;
tipc_group_delete(net, grp);
tsk->group = NULL;
- tipc_sk_withdraw(tsk, scope, &seq);
+ tipc_sk_withdraw(tsk, &ua);
return 0;
}
@@ -3711,11 +3704,11 @@ static int __tipc_nl_add_sk_publ(struct sk_buff *skb,
if (nla_put_u32(skb, TIPC_NLA_PUBL_KEY, publ->key))
goto attr_msg_cancel;
- if (nla_put_u32(skb, TIPC_NLA_PUBL_TYPE, publ->type))
+ if (nla_put_u32(skb, TIPC_NLA_PUBL_TYPE, publ->sr.type))
goto attr_msg_cancel;
- if (nla_put_u32(skb, TIPC_NLA_PUBL_LOWER, publ->lower))
+ if (nla_put_u32(skb, TIPC_NLA_PUBL_LOWER, publ->sr.lower))
goto attr_msg_cancel;
- if (nla_put_u32(skb, TIPC_NLA_PUBL_UPPER, publ->upper))
+ if (nla_put_u32(skb, TIPC_NLA_PUBL_UPPER, publ->sr.upper))
goto attr_msg_cancel;
nla_nest_end(skb, attrs);
@@ -3863,9 +3856,9 @@ bool tipc_sk_filtering(struct sock *sk)
p = list_first_entry_or_null(&tsk->publications,
struct publication, binding_sock);
if (p) {
- type = p->type;
- lower = p->lower;
- upper = p->upper;
+ type = p->sr.type;
+ lower = p->sr.lower;
+ upper = p->sr.upper;
}
}
@@ -3964,9 +3957,9 @@ int tipc_sk_dump(struct sock *sk, u16 dqueues, char *buf)
if (tsk->published) {
p = list_first_entry_or_null(&tsk->publications,
struct publication, binding_sock);
- i += scnprintf(buf + i, sz - i, " %u", (p) ? p->type : 0);
- i += scnprintf(buf + i, sz - i, " %u", (p) ? p->lower : 0);
- i += scnprintf(buf + i, sz - i, " %u", (p) ? p->upper : 0);
+ i += scnprintf(buf + i, sz - i, " %u", (p) ? p->sr.type : 0);
+ i += scnprintf(buf + i, sz - i, " %u", (p) ? p->sr.lower : 0);
+ i += scnprintf(buf + i, sz - i, " %u", (p) ? p->sr.upper : 0);
}
i += scnprintf(buf + i, sz - i, " | %u", tsk->snd_win);
i += scnprintf(buf + i, sz - i, " %u", tsk->rcv_win);
diff --git a/net/tipc/subscr.c b/net/tipc/subscr.c
index f6ad0005218c..8e00d739f03a 100644
--- a/net/tipc/subscr.c
+++ b/net/tipc/subscr.c
@@ -3,7 +3,7 @@
*
* Copyright (c) 2000-2017, Ericsson AB
* Copyright (c) 2005-2007, 2010-2013, Wind River Systems
- * Copyright (c) 2020, Red Hat Inc
+ * Copyright (c) 2020-2021, Red Hat Inc
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -40,77 +40,75 @@
#include "subscr.h"
static void tipc_sub_send_event(struct tipc_subscription *sub,
- u32 found_lower, u32 found_upper,
- u32 event, u32 port, u32 node)
+ struct publication *p,
+ u32 event)
{
+ struct tipc_subscr *s = &sub->evt.s;
struct tipc_event *evt = &sub->evt;
if (sub->inactive)
return;
tipc_evt_write(evt, event, event);
- tipc_evt_write(evt, found_lower, found_lower);
- tipc_evt_write(evt, found_upper, found_upper);
- tipc_evt_write(evt, port.ref, port);
- tipc_evt_write(evt, port.node, node);
+ if (p) {
+ tipc_evt_write(evt, found_lower, p->sr.lower);
+ tipc_evt_write(evt, found_upper, p->sr.upper);
+ tipc_evt_write(evt, port.ref, p->sk.ref);
+ tipc_evt_write(evt, port.node, p->sk.node);
+ } else {
+ tipc_evt_write(evt, found_lower, s->seq.lower);
+ tipc_evt_write(evt, found_upper, s->seq.upper);
+ tipc_evt_write(evt, port.ref, 0);
+ tipc_evt_write(evt, port.node, 0);
+ }
tipc_topsrv_queue_evt(sub->net, sub->conid, event, evt);
}
/**
* tipc_sub_check_overlap - test for subscription overlap with the given values
- * @seq: tipc_name_seq to check
- * @found_lower: lower value to test
- * @found_upper: upper value to test
+ * @subscribed: the service range subscribed for
+ * @found: the service range we are checning for match
*
- * Return: 1 if there is overlap, otherwise 0.
+ * Returns true if there is overlap, otherwise false.
*/
-int tipc_sub_check_overlap(struct tipc_service_range *seq, u32 found_lower,
- u32 found_upper)
+static bool tipc_sub_check_overlap(struct tipc_service_range *subscribed,
+ struct tipc_service_range *found)
{
- if (found_lower < seq->lower)
- found_lower = seq->lower;
- if (found_upper > seq->upper)
- found_upper = seq->upper;
- if (found_lower > found_upper)
- return 0;
- return 1;
+ u32 found_lower = found->lower;
+ u32 found_upper = found->upper;
+
+ if (found_lower < subscribed->lower)
+ found_lower = subscribed->lower;
+ if (found_upper > subscribed->upper)
+ found_upper = subscribed->upper;
+ return found_lower <= found_upper;
}
void tipc_sub_report_overlap(struct tipc_subscription *sub,
- u32 found_lower, u32 found_upper,
- u32 event, u32 port, u32 node,
- u32 scope, int must)
+ struct publication *p,
+ u32 event, bool must)
{
- struct tipc_subscr *s = &sub->evt.s;
- u32 filter = tipc_sub_read(s, filter);
- struct tipc_service_range seq;
+ struct tipc_service_range *sr = &sub->s.seq;
+ u32 filter = sub->s.filter;
- seq.type = tipc_sub_read(s, seq.type);
- seq.lower = tipc_sub_read(s, seq.lower);
- seq.upper = tipc_sub_read(s, seq.upper);
-
- if (!tipc_sub_check_overlap(&seq, found_lower, found_upper))
+ if (!tipc_sub_check_overlap(sr, &p->sr))
return;
-
if (!must && !(filter & TIPC_SUB_PORTS))
return;
- if (filter & TIPC_SUB_CLUSTER_SCOPE && scope == TIPC_NODE_SCOPE)
+ if (filter & TIPC_SUB_CLUSTER_SCOPE && p->scope == TIPC_NODE_SCOPE)
return;
- if (filter & TIPC_SUB_NODE_SCOPE && scope != TIPC_NODE_SCOPE)
+ if (filter & TIPC_SUB_NODE_SCOPE && p->scope != TIPC_NODE_SCOPE)
return;
spin_lock(&sub->lock);
- tipc_sub_send_event(sub, found_lower, found_upper,
- event, port, node);
+ tipc_sub_send_event(sub, p, event);
spin_unlock(&sub->lock);
}
static void tipc_sub_timeout(struct timer_list *t)
{
struct tipc_subscription *sub = from_timer(sub, t, timer);
- struct tipc_subscr *s = &sub->evt.s;
spin_lock(&sub->lock);
- tipc_sub_send_event(sub, s->seq.lower, s->seq.upper,
- TIPC_SUBSCR_TIMEOUT, 0, 0);
+ tipc_sub_send_event(sub, NULL, TIPC_SUBSCR_TIMEOUT);
sub->inactive = true;
spin_unlock(&sub->lock);
}
@@ -134,12 +132,14 @@ struct tipc_subscription *tipc_sub_subscribe(struct net *net,
struct tipc_subscr *s,
int conid)
{
+ u32 lower = tipc_sub_read(s, seq.lower);
+ u32 upper = tipc_sub_read(s, seq.upper);
u32 filter = tipc_sub_read(s, filter);
struct tipc_subscription *sub;
u32 timeout;
if ((filter & TIPC_SUB_PORTS && filter & TIPC_SUB_SERVICE) ||
- (tipc_sub_read(s, seq.lower) > tipc_sub_read(s, seq.upper))) {
+ lower > upper) {
pr_warn("Subscription rejected, illegal request\n");
return NULL;
}
@@ -154,6 +154,12 @@ struct tipc_subscription *tipc_sub_subscribe(struct net *net,
sub->conid = conid;
sub->inactive = false;
memcpy(&sub->evt.s, s, sizeof(*s));
+ sub->s.seq.type = tipc_sub_read(s, seq.type);
+ sub->s.seq.lower = lower;
+ sub->s.seq.upper = upper;
+ sub->s.filter = filter;
+ sub->s.timeout = tipc_sub_read(s, timeout);
+ memcpy(sub->s.usr_handle, s->usr_handle, 8);
spin_lock_init(&sub->lock);
kref_init(&sub->kref);
if (!tipc_nametbl_subscribe(sub)) {
diff --git a/net/tipc/subscr.h b/net/tipc/subscr.h
index 3ded27391d54..60b877531b66 100644
--- a/net/tipc/subscr.h
+++ b/net/tipc/subscr.h
@@ -3,7 +3,7 @@
*
* Copyright (c) 2003-2017, Ericsson AB
* Copyright (c) 2005-2007, 2012-2013, Wind River Systems
- * Copyright (c) 2020, Red Hat Inc
+ * Copyright (c) 2020-2021, Red Hat Inc
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -43,28 +43,31 @@
#define TIPC_MAX_SUBSCR 65535
#define TIPC_MAX_PUBL 65535
+struct publication;
struct tipc_subscription;
struct tipc_conn;
/**
* struct tipc_subscription - TIPC network topology subscription object
+ * @s: host-endian copy of the user subscription
+ * @evt: template for events generated by subscription
* @kref: reference count for this subscription
* @net: network namespace associated with subscription
* @timer: timer governing subscription duration (optional)
* @service_list: adjacent subscriptions in name sequence's subscription list
* @sub_list: adjacent subscriptions in subscriber's subscription list
- * @evt: template for events generated by subscription
* @conid: connection identifier of topology server
* @inactive: true if this subscription is inactive
* @lock: serialize up/down and timer events
*/
struct tipc_subscription {
+ struct tipc_subscr s;
+ struct tipc_event evt;
struct kref kref;
struct net *net;
struct timer_list timer;
struct list_head service_list;
struct list_head sub_list;
- struct tipc_event evt;
int conid;
bool inactive;
spinlock_t lock;
@@ -74,13 +77,9 @@ struct tipc_subscription *tipc_sub_subscribe(struct net *net,
struct tipc_subscr *s,
int conid);
void tipc_sub_unsubscribe(struct tipc_subscription *sub);
-
-int tipc_sub_check_overlap(struct tipc_service_range *seq,
- u32 found_lower, u32 found_upper);
void tipc_sub_report_overlap(struct tipc_subscription *sub,
- u32 found_lower, u32 found_upper,
- u32 event, u32 port, u32 node,
- u32 scope, int must);
+ struct publication *p,
+ u32 event, bool must);
int __net_init tipc_topsrv_init_net(struct net *net);
void __net_exit tipc_topsrv_exit_net(struct net *net);
diff --git a/net/tipc/udp_media.c b/net/tipc/udp_media.c
index 21e75e28e86a..e556d2cdc064 100644
--- a/net/tipc/udp_media.c
+++ b/net/tipc/udp_media.c
@@ -414,8 +414,10 @@ static int enable_mcast(struct udp_bearer *ub, struct udp_media_addr *remote)
err = ip_mc_join_group(sk, &mreqn);
#if IS_ENABLED(CONFIG_IPV6)
} else {
+ lock_sock(sk);
err = ipv6_stub->ipv6_sock_mc_join(sk, ub->ifindex,
&remote->ipv6);
+ release_sock(sk);
#endif
}
return err;
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-12 06:06:07 +0000