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-rw-r--r--net/tipc/bearer.c29
-rw-r--r--net/tipc/bearer.h3
-rw-r--r--net/tipc/diag.c2
-rw-r--r--net/tipc/monitor.c2
-rw-r--r--net/tipc/name_table.c121
-rw-r--r--net/tipc/name_table.h2
-rw-r--r--net/tipc/net.c2
-rw-r--r--net/tipc/netlink.c5
-rw-r--r--net/tipc/node.c61
-rw-r--r--net/tipc/node.h3
-rw-r--r--net/tipc/socket.c40
-rw-r--r--net/tipc/socket.h4
-rw-r--r--net/tipc/subscr.c5
-rw-r--r--net/tipc/udp_media.c4
-rw-r--r--net/tipc/udp_media.h14
15 files changed, 202 insertions, 95 deletions
diff --git a/net/tipc/bearer.c b/net/tipc/bearer.c
index f7d47c89d658..2dfb492a7c94 100644
--- a/net/tipc/bearer.c
+++ b/net/tipc/bearer.c
@@ -697,6 +697,9 @@ static int __tipc_nl_add_bearer(struct tipc_nl_msg *msg,
goto prop_msg_full;
if (nla_put_u32(msg->skb, TIPC_NLA_PROP_WIN, bearer->window))
goto prop_msg_full;
+ if (bearer->media->type_id == TIPC_MEDIA_TYPE_UDP)
+ if (nla_put_u32(msg->skb, TIPC_NLA_PROP_MTU, bearer->mtu))
+ goto prop_msg_full;
nla_nest_end(msg->skb, prop);
@@ -979,12 +982,23 @@ int __tipc_nl_bearer_set(struct sk_buff *skb, struct genl_info *info)
if (props[TIPC_NLA_PROP_TOL]) {
b->tolerance = nla_get_u32(props[TIPC_NLA_PROP_TOL]);
- tipc_node_apply_tolerance(net, b);
+ tipc_node_apply_property(net, b, TIPC_NLA_PROP_TOL);
}
if (props[TIPC_NLA_PROP_PRIO])
b->priority = nla_get_u32(props[TIPC_NLA_PROP_PRIO]);
if (props[TIPC_NLA_PROP_WIN])
b->window = nla_get_u32(props[TIPC_NLA_PROP_WIN]);
+ if (props[TIPC_NLA_PROP_MTU]) {
+ if (b->media->type_id != TIPC_MEDIA_TYPE_UDP)
+ return -EINVAL;
+#ifdef CONFIG_TIPC_MEDIA_UDP
+ if (tipc_udp_mtu_bad(nla_get_u32
+ (props[TIPC_NLA_PROP_MTU])))
+ return -EINVAL;
+ b->mtu = nla_get_u32(props[TIPC_NLA_PROP_MTU]);
+ tipc_node_apply_property(net, b, TIPC_NLA_PROP_MTU);
+#endif
+ }
}
return 0;
@@ -1029,6 +1043,9 @@ static int __tipc_nl_add_media(struct tipc_nl_msg *msg,
goto prop_msg_full;
if (nla_put_u32(msg->skb, TIPC_NLA_PROP_WIN, media->window))
goto prop_msg_full;
+ if (media->type_id == TIPC_MEDIA_TYPE_UDP)
+ if (nla_put_u32(msg->skb, TIPC_NLA_PROP_MTU, media->mtu))
+ goto prop_msg_full;
nla_nest_end(msg->skb, prop);
nla_nest_end(msg->skb, attrs);
@@ -1158,6 +1175,16 @@ int __tipc_nl_media_set(struct sk_buff *skb, struct genl_info *info)
m->priority = nla_get_u32(props[TIPC_NLA_PROP_PRIO]);
if (props[TIPC_NLA_PROP_WIN])
m->window = nla_get_u32(props[TIPC_NLA_PROP_WIN]);
+ if (props[TIPC_NLA_PROP_MTU]) {
+ if (m->type_id != TIPC_MEDIA_TYPE_UDP)
+ return -EINVAL;
+#ifdef CONFIG_TIPC_MEDIA_UDP
+ if (tipc_udp_mtu_bad(nla_get_u32
+ (props[TIPC_NLA_PROP_MTU])))
+ return -EINVAL;
+ m->mtu = nla_get_u32(props[TIPC_NLA_PROP_MTU]);
+#endif
+ }
}
return 0;
diff --git a/net/tipc/bearer.h b/net/tipc/bearer.h
index 6efcee63a381..394290cbbb1d 100644
--- a/net/tipc/bearer.h
+++ b/net/tipc/bearer.h
@@ -94,6 +94,8 @@ struct tipc_bearer;
* @priority: default link (and bearer) priority
* @tolerance: default time (in ms) before declaring link failure
* @window: default window (in packets) before declaring link congestion
+ * @mtu: max packet size bearer can support for media type not dependent on
+ * underlying device MTU
* @type_id: TIPC media identifier
* @hwaddr_len: TIPC media address len
* @name: media name
@@ -118,6 +120,7 @@ struct tipc_media {
u32 priority;
u32 tolerance;
u32 window;
+ u32 mtu;
u32 type_id;
u32 hwaddr_len;
char name[TIPC_MAX_MEDIA_NAME];
diff --git a/net/tipc/diag.c b/net/tipc/diag.c
index 46d9cd62f781..aaabb0b776dd 100644
--- a/net/tipc/diag.c
+++ b/net/tipc/diag.c
@@ -59,7 +59,7 @@ static int __tipc_add_sock_diag(struct sk_buff *skb,
if (!nlh)
return -EMSGSIZE;
- err = tipc_sk_fill_sock_diag(skb, tsk, req->tidiag_states,
+ err = tipc_sk_fill_sock_diag(skb, cb, tsk, req->tidiag_states,
__tipc_diag_gen_cookie);
if (err)
return err;
diff --git a/net/tipc/monitor.c b/net/tipc/monitor.c
index 32dc33a94bc7..5453e564da82 100644
--- a/net/tipc/monitor.c
+++ b/net/tipc/monitor.c
@@ -777,7 +777,7 @@ int __tipc_nl_add_monitor(struct net *net, struct tipc_nl_msg *msg,
ret = tipc_bearer_get_name(net, bearer_name, bearer_id);
if (ret || !mon)
- return -EINVAL;
+ return 0;
hdr = genlmsg_put(msg->skb, msg->portid, msg->seq, &tipc_genl_family,
NLM_F_MULTI, TIPC_NL_MON_GET);
diff --git a/net/tipc/name_table.c b/net/tipc/name_table.c
index b1fe20972aa9..bebe88cae07b 100644
--- a/net/tipc/name_table.c
+++ b/net/tipc/name_table.c
@@ -136,12 +136,12 @@ static struct tipc_service *tipc_service_create(u32 type, struct hlist_head *hd)
}
/**
- * tipc_service_find_range - find service range matching a service instance
+ * tipc_service_first_range - find first service range in tree matching instance
*
* Very time-critical, so binary search through range rb tree
*/
-static struct service_range *tipc_service_find_range(struct tipc_service *sc,
- u32 instance)
+static struct service_range *tipc_service_first_range(struct tipc_service *sc,
+ u32 instance)
{
struct rb_node *n = sc->ranges.rb_node;
struct service_range *sr;
@@ -158,6 +158,30 @@ static struct service_range *tipc_service_find_range(struct tipc_service *sc,
return NULL;
}
+/* 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 rb_node *n = sc->ranges.rb_node;
+ struct service_range *sr;
+
+ sr = tipc_service_first_range(sc, lower);
+ if (!sr)
+ return NULL;
+
+ /* Look for exact match */
+ for (n = &sr->tree_node; n; n = rb_next(n)) {
+ sr = container_of(n, struct service_range, tree_node);
+ if (sr->upper == upper)
+ break;
+ }
+ if (!n || sr->lower != lower || sr->upper != upper)
+ return NULL;
+
+ return sr;
+}
+
static struct service_range *tipc_service_create_range(struct tipc_service *sc,
u32 lower, u32 upper)
{
@@ -238,57 +262,19 @@ err:
/**
* tipc_service_remove_publ - remove a publication from a service
*/
-static struct publication *tipc_service_remove_publ(struct net *net,
- struct tipc_service *sc,
- u32 lower, u32 upper,
+static struct publication *tipc_service_remove_publ(struct service_range *sr,
u32 node, u32 key)
{
- struct tipc_subscription *sub, *tmp;
- struct service_range *sr;
struct publication *p;
- bool found = false;
- bool last = false;
- struct rb_node *n;
- sr = tipc_service_find_range(sc, lower);
- if (!sr)
- return NULL;
-
- /* Find exact matching service range */
- for (n = &sr->tree_node; n; n = rb_next(n)) {
- sr = container_of(n, struct service_range, tree_node);
- if (sr->upper == upper)
- break;
- }
- if (!n || sr->lower != lower || sr->upper != upper)
- return NULL;
-
- /* Find publication, if it exists */
list_for_each_entry(p, &sr->all_publ, all_publ) {
if (p->key != key || (node && node != p->node))
continue;
- found = true;
- break;
+ list_del(&p->all_publ);
+ list_del(&p->local_publ);
+ return p;
}
- if (!found)
- return NULL;
-
- list_del(&p->all_publ);
- list_del(&p->local_publ);
-
- /* Remove service range item if this was its last publication */
- if (list_empty(&sr->all_publ)) {
- last = true;
- rb_erase(&sr->tree_node, &sc->ranges);
- kfree(sr);
- }
-
- /* Notify any waiting subscriptions */
- list_for_each_entry_safe(sub, tmp, &sc->subscriptions, service_list) {
- tipc_sub_report_overlap(sub, p->lower, p->upper, TIPC_WITHDRAWN,
- p->port, p->node, p->scope, last);
- }
- return p;
+ return NULL;
}
/**
@@ -379,19 +365,41 @@ struct publication *tipc_nametbl_remove_publ(struct net *net, u32 type,
u32 node, 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;
+ bool last;
if (!sc)
return NULL;
spin_lock_bh(&sc->lock);
- p = tipc_service_remove_publ(net, sc, lower, upper, node, key);
+ sr = tipc_service_find_range(sc, lower, upper);
+ if (!sr)
+ goto exit;
+ p = tipc_service_remove_publ(sr, node, key);
+ if (!p)
+ goto exit;
+
+ /* 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);
+ }
+
+ /* Remove service range item if this was its last publication */
+ if (list_empty(&sr->all_publ)) {
+ rb_erase(&sr->tree_node, &sc->ranges);
+ kfree(sr);
+ }
/* Delete service item if this 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:
spin_unlock_bh(&sc->lock);
return p;
}
@@ -433,7 +441,7 @@ u32 tipc_nametbl_translate(struct net *net, u32 type, u32 instance, u32 *dnode)
goto not_found;
spin_lock_bh(&sc->lock);
- sr = tipc_service_find_range(sc, instance);
+ sr = tipc_service_first_range(sc, instance);
if (unlikely(!sr))
goto no_match;
@@ -480,7 +488,7 @@ bool tipc_nametbl_lookup(struct net *net, u32 type, u32 instance, u32 scope,
spin_lock_bh(&sc->lock);
- sr = tipc_service_find_range(sc, instance);
+ sr = tipc_service_first_range(sc, instance);
if (!sr)
goto no_match;
@@ -665,13 +673,14 @@ int tipc_nametbl_withdraw(struct net *net, u32 type, u32 lower,
/**
* tipc_nametbl_subscribe - add a subscription object to the name table
*/
-void tipc_nametbl_subscribe(struct tipc_subscription *sub)
+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);
struct tipc_service *sc;
+ bool res = true;
spin_lock_bh(&tn->nametbl_lock);
sc = tipc_service_find(sub->net, type);
@@ -685,8 +694,10 @@ void tipc_nametbl_subscribe(struct tipc_subscription *sub)
pr_warn("Failed to subscribe for {%u,%u,%u}\n", type,
tipc_sub_read(s, seq.lower),
tipc_sub_read(s, seq.upper));
+ res = false;
}
spin_unlock_bh(&tn->nametbl_lock);
+ return res;
}
/**
@@ -744,16 +755,16 @@ int tipc_nametbl_init(struct net *net)
static void tipc_service_delete(struct net *net, struct tipc_service *sc)
{
struct service_range *sr, *tmpr;
- struct publication *p, *tmpb;
+ struct publication *p, *tmp;
spin_lock_bh(&sc->lock);
rbtree_postorder_for_each_entry_safe(sr, tmpr, &sc->ranges, tree_node) {
- list_for_each_entry_safe(p, tmpb,
- &sr->all_publ, all_publ) {
- tipc_service_remove_publ(net, sc, p->lower, p->upper,
- p->node, p->key);
+ list_for_each_entry_safe(p, tmp, &sr->all_publ, all_publ) {
+ tipc_service_remove_publ(sr, p->node, p->key);
kfree_rcu(p, rcu);
}
+ rb_erase(&sr->tree_node, &sc->ranges);
+ kfree(sr);
}
hlist_del_init_rcu(&sc->service_list);
spin_unlock_bh(&sc->lock);
diff --git a/net/tipc/name_table.h b/net/tipc/name_table.h
index 4b14fc28d9e2..0febba41da86 100644
--- a/net/tipc/name_table.h
+++ b/net/tipc/name_table.h
@@ -126,7 +126,7 @@ struct publication *tipc_nametbl_insert_publ(struct net *net, u32 type,
struct publication *tipc_nametbl_remove_publ(struct net *net, u32 type,
u32 lower, u32 upper,
u32 node, u32 key);
-void tipc_nametbl_subscribe(struct tipc_subscription *s);
+bool tipc_nametbl_subscribe(struct tipc_subscription *s);
void tipc_nametbl_unsubscribe(struct tipc_subscription *s);
int tipc_nametbl_init(struct net *net);
void tipc_nametbl_stop(struct net *net);
diff --git a/net/tipc/net.c b/net/tipc/net.c
index 856f9e97ea29..4fbaa0464405 100644
--- a/net/tipc/net.c
+++ b/net/tipc/net.c
@@ -252,6 +252,8 @@ int __tipc_nl_net_set(struct sk_buff *skb, struct genl_info *info)
u64 *w0 = (u64 *)&node_id[0];
u64 *w1 = (u64 *)&node_id[8];
+ if (!attrs[TIPC_NLA_NET_NODEID_W1])
+ return -EINVAL;
*w0 = nla_get_u64(attrs[TIPC_NLA_NET_NODEID]);
*w1 = nla_get_u64(attrs[TIPC_NLA_NET_NODEID_W1]);
tipc_net_init(net, node_id, 0);
diff --git a/net/tipc/netlink.c b/net/tipc/netlink.c
index b76f13f6fea1..6ff2254088f6 100644
--- a/net/tipc/netlink.c
+++ b/net/tipc/netlink.c
@@ -79,7 +79,10 @@ const struct nla_policy tipc_nl_sock_policy[TIPC_NLA_SOCK_MAX + 1] = {
const struct nla_policy tipc_nl_net_policy[TIPC_NLA_NET_MAX + 1] = {
[TIPC_NLA_NET_UNSPEC] = { .type = NLA_UNSPEC },
- [TIPC_NLA_NET_ID] = { .type = NLA_U32 }
+ [TIPC_NLA_NET_ID] = { .type = NLA_U32 },
+ [TIPC_NLA_NET_ADDR] = { .type = NLA_U32 },
+ [TIPC_NLA_NET_NODEID] = { .type = NLA_U64 },
+ [TIPC_NLA_NET_NODEID_W1] = { .type = NLA_U64 },
};
const struct nla_policy tipc_nl_link_policy[TIPC_NLA_LINK_MAX + 1] = {
diff --git a/net/tipc/node.c b/net/tipc/node.c
index c77dd2f3c589..6a44eb812baf 100644
--- a/net/tipc/node.c
+++ b/net/tipc/node.c
@@ -195,6 +195,27 @@ int tipc_node_get_mtu(struct net *net, u32 addr, u32 sel)
return mtu;
}
+bool tipc_node_get_id(struct net *net, u32 addr, u8 *id)
+{
+ u8 *own_id = tipc_own_id(net);
+ struct tipc_node *n;
+
+ if (!own_id)
+ return true;
+
+ if (addr == tipc_own_addr(net)) {
+ memcpy(id, own_id, TIPC_NODEID_LEN);
+ return true;
+ }
+ n = tipc_node_find(net, addr);
+ if (!n)
+ return false;
+
+ memcpy(id, &n->peer_id, TIPC_NODEID_LEN);
+ tipc_node_put(n);
+ return true;
+}
+
u16 tipc_node_get_capabilities(struct net *net, u32 addr)
{
struct tipc_node *n;
@@ -1681,7 +1702,8 @@ discard:
kfree_skb(skb);
}
-void tipc_node_apply_tolerance(struct net *net, struct tipc_bearer *b)
+void tipc_node_apply_property(struct net *net, struct tipc_bearer *b,
+ int prop)
{
struct tipc_net *tn = tipc_net(net);
int bearer_id = b->identity;
@@ -1696,8 +1718,13 @@ void tipc_node_apply_tolerance(struct net *net, struct tipc_bearer *b)
list_for_each_entry_rcu(n, &tn->node_list, list) {
tipc_node_write_lock(n);
e = &n->links[bearer_id];
- if (e->link)
- tipc_link_set_tolerance(e->link, b->tolerance, &xmitq);
+ if (e->link) {
+ if (prop == TIPC_NLA_PROP_TOL)
+ tipc_link_set_tolerance(e->link, b->tolerance,
+ &xmitq);
+ else if (prop == TIPC_NLA_PROP_MTU)
+ tipc_link_set_mtu(e->link, b->mtu);
+ }
tipc_node_write_unlock(n);
tipc_bearer_xmit(net, bearer_id, &xmitq, &e->maddr);
}
@@ -1950,6 +1977,7 @@ out:
int tipc_nl_node_get_link(struct sk_buff *skb, struct genl_info *info)
{
struct net *net = genl_info_net(info);
+ struct nlattr *attrs[TIPC_NLA_LINK_MAX + 1];
struct tipc_nl_msg msg;
char *name;
int err;
@@ -1957,9 +1985,19 @@ int tipc_nl_node_get_link(struct sk_buff *skb, struct genl_info *info)
msg.portid = info->snd_portid;
msg.seq = info->snd_seq;
- if (!info->attrs[TIPC_NLA_LINK_NAME])
+ if (!info->attrs[TIPC_NLA_LINK])
return -EINVAL;
- name = nla_data(info->attrs[TIPC_NLA_LINK_NAME]);
+
+ err = nla_parse_nested(attrs, TIPC_NLA_LINK_MAX,
+ info->attrs[TIPC_NLA_LINK],
+ tipc_nl_link_policy, info->extack);
+ if (err)
+ return err;
+
+ if (!attrs[TIPC_NLA_LINK_NAME])
+ return -EINVAL;
+
+ name = nla_data(attrs[TIPC_NLA_LINK_NAME]);
msg.skb = nlmsg_new(NLMSG_GOODSIZE, GFP_KERNEL);
if (!msg.skb)
@@ -2232,8 +2270,8 @@ int tipc_nl_node_dump_monitor(struct sk_buff *skb, struct netlink_callback *cb)
struct net *net = sock_net(skb->sk);
u32 prev_bearer = cb->args[0];
struct tipc_nl_msg msg;
+ int bearer_id;
int err;
- int i;
if (prev_bearer == MAX_BEARERS)
return 0;
@@ -2243,16 +2281,13 @@ int tipc_nl_node_dump_monitor(struct sk_buff *skb, struct netlink_callback *cb)
msg.seq = cb->nlh->nlmsg_seq;
rtnl_lock();
- for (i = prev_bearer; i < MAX_BEARERS; i++) {
- prev_bearer = i;
- err = __tipc_nl_add_monitor(net, &msg, prev_bearer);
+ for (bearer_id = prev_bearer; bearer_id < MAX_BEARERS; bearer_id++) {
+ err = __tipc_nl_add_monitor(net, &msg, bearer_id);
if (err)
- goto out;
+ break;
}
-
-out:
rtnl_unlock();
- cb->args[0] = prev_bearer;
+ cb->args[0] = bearer_id;
return skb->len;
}
diff --git a/net/tipc/node.h b/net/tipc/node.h
index f24b83500df1..846c8f240872 100644
--- a/net/tipc/node.h
+++ b/net/tipc/node.h
@@ -60,6 +60,7 @@ enum {
#define INVALID_BEARER_ID -1
void tipc_node_stop(struct net *net);
+bool tipc_node_get_id(struct net *net, u32 addr, u8 *id);
u32 tipc_node_try_addr(struct net *net, u8 *id, u32 addr);
void tipc_node_check_dest(struct net *net, u32 onode, u8 *peer_id128,
struct tipc_bearer *bearer,
@@ -67,7 +68,7 @@ void tipc_node_check_dest(struct net *net, u32 onode, u8 *peer_id128,
struct tipc_media_addr *maddr,
bool *respond, bool *dupl_addr);
void tipc_node_delete_links(struct net *net, int bearer_id);
-void tipc_node_apply_tolerance(struct net *net, struct tipc_bearer *b);
+void tipc_node_apply_property(struct net *net, struct tipc_bearer *b, int prop);
int tipc_node_get_linkname(struct net *net, u32 bearer_id, u32 node,
char *linkname, size_t len);
int tipc_node_xmit(struct net *net, struct sk_buff_head *list, u32 dnode,
diff --git a/net/tipc/socket.c b/net/tipc/socket.c
index cee6674a3bf4..14a5d055717d 100644
--- a/net/tipc/socket.c
+++ b/net/tipc/socket.c
@@ -692,10 +692,9 @@ static int tipc_getname(struct socket *sock, struct sockaddr *uaddr,
}
/**
- * tipc_poll - read and possibly block on pollmask
+ * tipc_poll - read pollmask
* @file: file structure associated with the socket
* @sock: socket for which to calculate the poll bits
- * @wait: ???
*
* Returns pollmask value
*
@@ -709,15 +708,12 @@ static int tipc_getname(struct socket *sock, struct sockaddr *uaddr,
* imply that the operation will succeed, merely that it should be performed
* and will not block.
*/
-static __poll_t tipc_poll(struct file *file, struct socket *sock,
- poll_table *wait)
+static __poll_t tipc_poll_mask(struct socket *sock, __poll_t events)
{
struct sock *sk = sock->sk;
struct tipc_sock *tsk = tipc_sk(sk);
__poll_t revents = 0;
- sock_poll_wait(file, sk_sleep(sk), wait);
-
if (sk->sk_shutdown & RCV_SHUTDOWN)
revents |= EPOLLRDHUP | EPOLLIN | EPOLLRDNORM;
if (sk->sk_shutdown == SHUTDOWN_MASK)
@@ -1278,7 +1274,7 @@ static int __tipc_sendmsg(struct socket *sock, struct msghdr *m, size_t dlen)
struct tipc_msg *hdr = &tsk->phdr;
struct tipc_name_seq *seq;
struct sk_buff_head pkts;
- u32 dnode, dport;
+ u32 dport, dnode = 0;
u32 type, inst;
int mtu, rc;
@@ -1348,6 +1344,8 @@ static int __tipc_sendmsg(struct socket *sock, struct msghdr *m, size_t dlen)
msg_set_destnode(hdr, dnode);
msg_set_destport(hdr, dest->addr.id.ref);
msg_set_hdr_sz(hdr, BASIC_H_SIZE);
+ } else {
+ return -EINVAL;
}
/* Block or return if destination link is congested */
@@ -1514,10 +1512,10 @@ static void tipc_sk_set_orig_addr(struct msghdr *m, struct sk_buff *skb)
srcaddr->sock.family = AF_TIPC;
srcaddr->sock.addrtype = TIPC_ADDR_ID;
+ srcaddr->sock.scope = 0;
srcaddr->sock.addr.id.ref = msg_origport(hdr);
srcaddr->sock.addr.id.node = msg_orignode(hdr);
srcaddr->sock.addr.name.domain = 0;
- srcaddr->sock.scope = 0;
m->msg_namelen = sizeof(struct sockaddr_tipc);
if (!msg_in_group(hdr))
@@ -1526,6 +1524,7 @@ static void tipc_sk_set_orig_addr(struct msghdr *m, struct sk_buff *skb)
/* Group message users may also want to know sending member's id */
srcaddr->member.family = AF_TIPC;
srcaddr->member.addrtype = TIPC_ADDR_NAME;
+ srcaddr->member.scope = 0;
srcaddr->member.addr.name.name.type = msg_nametype(hdr);
srcaddr->member.addr.name.name.instance = TIPC_SKB_CB(skb)->orig_member;
srcaddr->member.addr.name.domain = 0;
@@ -2971,7 +2970,8 @@ static int tipc_getsockopt(struct socket *sock, int lvl, int opt,
static int tipc_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
{
- struct sock *sk = sock->sk;
+ struct net *net = sock_net(sock->sk);
+ struct tipc_sioc_nodeid_req nr = {0};
struct tipc_sioc_ln_req lnr;
void __user *argp = (void __user *)arg;
@@ -2979,7 +2979,7 @@ static int tipc_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
case SIOCGETLINKNAME:
if (copy_from_user(&lnr, argp, sizeof(lnr)))
return -EFAULT;
- if (!tipc_node_get_linkname(sock_net(sk),
+ if (!tipc_node_get_linkname(net,
lnr.bearer_id & 0xffff, lnr.peer,
lnr.linkname, TIPC_MAX_LINK_NAME)) {
if (copy_to_user(argp, &lnr, sizeof(lnr)))
@@ -2987,6 +2987,14 @@ static int tipc_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
return 0;
}
return -EADDRNOTAVAIL;
+ case SIOCGETNODEID:
+ if (copy_from_user(&nr, argp, sizeof(nr)))
+ return -EFAULT;
+ if (!tipc_node_get_id(net, nr.peer, nr.node_id))
+ return -EADDRNOTAVAIL;
+ if (copy_to_user(argp, &nr, sizeof(nr)))
+ return -EFAULT;
+ return 0;
default:
return -ENOIOCTLCMD;
}
@@ -3025,7 +3033,7 @@ static const struct proto_ops msg_ops = {
.socketpair = tipc_socketpair,
.accept = sock_no_accept,
.getname = tipc_getname,
- .poll = tipc_poll,
+ .poll_mask = tipc_poll_mask,
.ioctl = tipc_ioctl,
.listen = sock_no_listen,
.shutdown = tipc_shutdown,
@@ -3046,7 +3054,7 @@ static const struct proto_ops packet_ops = {
.socketpair = tipc_socketpair,
.accept = tipc_accept,
.getname = tipc_getname,
- .poll = tipc_poll,
+ .poll_mask = tipc_poll_mask,
.ioctl = tipc_ioctl,
.listen = tipc_listen,
.shutdown = tipc_shutdown,
@@ -3067,7 +3075,7 @@ static const struct proto_ops stream_ops = {
.socketpair = tipc_socketpair,
.accept = tipc_accept,
.getname = tipc_getname,
- .poll = tipc_poll,
+ .poll_mask = tipc_poll_mask,
.ioctl = tipc_ioctl,
.listen = tipc_listen,
.shutdown = tipc_shutdown,
@@ -3257,8 +3265,8 @@ out:
}
EXPORT_SYMBOL(tipc_nl_sk_walk);
-int tipc_sk_fill_sock_diag(struct sk_buff *skb, struct tipc_sock *tsk,
- u32 sk_filter_state,
+int tipc_sk_fill_sock_diag(struct sk_buff *skb, struct netlink_callback *cb,
+ struct tipc_sock *tsk, u32 sk_filter_state,
u64 (*tipc_diag_gen_cookie)(struct sock *sk))
{
struct sock *sk = &tsk->sk;
@@ -3280,7 +3288,7 @@ int tipc_sk_fill_sock_diag(struct sk_buff *skb, struct tipc_sock *tsk,
nla_put_u32(skb, TIPC_NLA_SOCK_TIPC_STATE, (u32)sk->sk_state) ||
nla_put_u32(skb, TIPC_NLA_SOCK_INO, sock_i_ino(sk)) ||
nla_put_u32(skb, TIPC_NLA_SOCK_UID,
- from_kuid_munged(sk_user_ns(NETLINK_CB(skb).sk),
+ from_kuid_munged(sk_user_ns(NETLINK_CB(cb->skb).sk),
sock_i_uid(sk))) ||
nla_put_u64_64bit(skb, TIPC_NLA_SOCK_COOKIE,
tipc_diag_gen_cookie(sk),
diff --git a/net/tipc/socket.h b/net/tipc/socket.h
index aae3fd4cd06c..aff9b2ae5a1f 100644
--- a/net/tipc/socket.h
+++ b/net/tipc/socket.h
@@ -61,8 +61,8 @@ int tipc_sk_rht_init(struct net *net);
void tipc_sk_rht_destroy(struct net *net);
int tipc_nl_sk_dump(struct sk_buff *skb, struct netlink_callback *cb);
int tipc_nl_publ_dump(struct sk_buff *skb, struct netlink_callback *cb);
-int tipc_sk_fill_sock_diag(struct sk_buff *skb, struct tipc_sock *tsk,
- u32 sk_filter_state,
+int tipc_sk_fill_sock_diag(struct sk_buff *skb, struct netlink_callback *cb,
+ struct tipc_sock *tsk, u32 sk_filter_state,
u64 (*tipc_diag_gen_cookie)(struct sock *sk));
int tipc_nl_sk_walk(struct sk_buff *skb, struct netlink_callback *cb,
int (*skb_handler)(struct sk_buff *skb,
diff --git a/net/tipc/subscr.c b/net/tipc/subscr.c
index b7d80bc5f4ab..f340e53da625 100644
--- a/net/tipc/subscr.c
+++ b/net/tipc/subscr.c
@@ -153,7 +153,10 @@ struct tipc_subscription *tipc_sub_subscribe(struct net *net,
memcpy(&sub->evt.s, s, sizeof(*s));
spin_lock_init(&sub->lock);
kref_init(&sub->kref);
- tipc_nametbl_subscribe(sub);
+ if (!tipc_nametbl_subscribe(sub)) {
+ kfree(sub);
+ return NULL;
+ }
timer_setup(&sub->timer, tipc_sub_timeout, 0);
timeout = tipc_sub_read(&sub->evt.s, timeout);
if (timeout != TIPC_WAIT_FOREVER)
diff --git a/net/tipc/udp_media.c b/net/tipc/udp_media.c
index e7d91f5d5cae..9783101bc4a9 100644
--- a/net/tipc/udp_media.c
+++ b/net/tipc/udp_media.c
@@ -713,8 +713,7 @@ static int tipc_udp_enable(struct net *net, struct tipc_bearer *b,
err = -EINVAL;
goto err;
}
- b->mtu = dev->mtu - sizeof(struct iphdr)
- - sizeof(struct udphdr);
+ b->mtu = b->media->mtu;
#if IS_ENABLED(CONFIG_IPV6)
} else if (local.proto == htons(ETH_P_IPV6)) {
udp_conf.family = AF_INET6;
@@ -803,6 +802,7 @@ struct tipc_media udp_media_info = {
.priority = TIPC_DEF_LINK_PRI,
.tolerance = TIPC_DEF_LINK_TOL,
.window = TIPC_DEF_LINK_WIN,
+ .mtu = TIPC_DEF_LINK_UDP_MTU,
.type_id = TIPC_MEDIA_TYPE_UDP,
.hwaddr_len = 0,
.name = "udp"
diff --git a/net/tipc/udp_media.h b/net/tipc/udp_media.h
index 281bbae87726..e7455cc73e16 100644
--- a/net/tipc/udp_media.h
+++ b/net/tipc/udp_media.h
@@ -38,9 +38,23 @@
#ifndef _TIPC_UDP_MEDIA_H
#define _TIPC_UDP_MEDIA_H
+#include <linux/ip.h>
+#include <linux/udp.h>
+
int tipc_udp_nl_bearer_add(struct tipc_bearer *b, struct nlattr *attr);
int tipc_udp_nl_add_bearer_data(struct tipc_nl_msg *msg, struct tipc_bearer *b);
int tipc_udp_nl_dump_remoteip(struct sk_buff *skb, struct netlink_callback *cb);
+/* check if configured MTU is too low for tipc headers */
+static inline bool tipc_udp_mtu_bad(u32 mtu)
+{
+ if (mtu >= (TIPC_MIN_BEARER_MTU + sizeof(struct iphdr) +
+ sizeof(struct udphdr)))
+ return false;
+
+ pr_warn("MTU too low for tipc bearer\n");
+ return true;
+}
+
#endif
#endif
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