diff options
Diffstat (limited to 'net/tipc')
-rw-r--r-- | net/tipc/Kconfig | 1 | ||||
-rw-r--r-- | net/tipc/bearer.c | 2 | ||||
-rw-r--r-- | net/tipc/core.c | 6 | ||||
-rw-r--r-- | net/tipc/core.h | 8 | ||||
-rw-r--r-- | net/tipc/crypto.c | 14 | ||||
-rw-r--r-- | net/tipc/group.c | 2 | ||||
-rw-r--r-- | net/tipc/link.c | 7 | ||||
-rw-r--r-- | net/tipc/net.c | 20 | ||||
-rw-r--r-- | net/tipc/net.h | 1 | ||||
-rw-r--r-- | net/tipc/netlink_compat.c | 12 | ||||
-rw-r--r-- | net/tipc/socket.c | 14 | ||||
-rw-r--r-- | net/tipc/udp_media.c | 8 |
12 files changed, 57 insertions, 38 deletions
diff --git a/net/tipc/Kconfig b/net/tipc/Kconfig index 9dd780215eef..be1c4003d67d 100644 --- a/net/tipc/Kconfig +++ b/net/tipc/Kconfig @@ -6,6 +6,7 @@ menuconfig TIPC tristate "The TIPC Protocol" depends on INET + depends on IPV6 || IPV6=n help The Transparent Inter Process Communication (TIPC) protocol is specially designed for intra cluster communication. This protocol diff --git a/net/tipc/bearer.c b/net/tipc/bearer.c index 808b147df7d5..650414110452 100644 --- a/net/tipc/bearer.c +++ b/net/tipc/bearer.c @@ -652,7 +652,7 @@ static int tipc_l2_device_event(struct notifier_block *nb, unsigned long evt, test_and_set_bit_lock(0, &b->up); break; } - /* fall through */ + fallthrough; case NETDEV_GOING_DOWN: clear_bit_unlock(0, &b->up); tipc_reset_bearer(net, b); diff --git a/net/tipc/core.c b/net/tipc/core.c index 4f6dc74adf45..c2ff42900b53 100644 --- a/net/tipc/core.c +++ b/net/tipc/core.c @@ -60,6 +60,7 @@ static int __net_init tipc_init_net(struct net *net) tn->trial_addr = 0; tn->addr_trial_end = 0; tn->capabilities = TIPC_NODE_CAPABILITIES; + INIT_WORK(&tn->final_work.work, tipc_net_finalize_work); memset(tn->node_id, 0, sizeof(tn->node_id)); memset(tn->node_id_string, 0, sizeof(tn->node_id_string)); tn->mon_threshold = TIPC_DEF_MON_THRESHOLD; @@ -107,8 +108,13 @@ out_crypto: static void __net_exit tipc_exit_net(struct net *net) { + struct tipc_net *tn = tipc_net(net); + tipc_detach_loopback(net); + /* Make sure the tipc_net_finalize_work() finished */ + cancel_work_sync(&tn->final_work.work); tipc_net_stop(net); + tipc_bcast_stop(net); tipc_nametbl_stop(net); tipc_sk_rht_destroy(net); diff --git a/net/tipc/core.h b/net/tipc/core.h index 631d83c9705f..1d57a4d3b05e 100644 --- a/net/tipc/core.h +++ b/net/tipc/core.h @@ -90,6 +90,12 @@ extern unsigned int tipc_net_id __read_mostly; extern int sysctl_tipc_rmem[3] __read_mostly; extern int sysctl_tipc_named_timeout __read_mostly; +struct tipc_net_work { + struct work_struct work; + struct net *net; + u32 addr; +}; + struct tipc_net { u8 node_id[NODE_ID_LEN]; u32 node_addr; @@ -143,6 +149,8 @@ struct tipc_net { /* TX crypto handler */ struct tipc_crypto *crypto_tx; #endif + /* Work item for net finalize */ + struct tipc_net_work final_work; }; static inline struct tipc_net *tipc_net(struct net *net) diff --git a/net/tipc/crypto.c b/net/tipc/crypto.c index 001bcb0f2480..7c523dc81575 100644 --- a/net/tipc/crypto.c +++ b/net/tipc/crypto.c @@ -326,7 +326,8 @@ static void tipc_aead_free(struct rcu_head *rp) if (aead->cloned) { tipc_aead_put(aead->cloned); } else { - head = *this_cpu_ptr(aead->tfm_entry); + head = *get_cpu_ptr(aead->tfm_entry); + put_cpu_ptr(aead->tfm_entry); list_for_each_entry_safe(tfm_entry, tmp, &head->list, list) { crypto_free_aead(tfm_entry->tfm); list_del(&tfm_entry->list); @@ -399,10 +400,15 @@ static void tipc_aead_users_set(struct tipc_aead __rcu *aead, int val) */ static struct crypto_aead *tipc_aead_tfm_next(struct tipc_aead *aead) { - struct tipc_tfm **tfm_entry = this_cpu_ptr(aead->tfm_entry); + struct tipc_tfm **tfm_entry; + struct crypto_aead *tfm; + tfm_entry = get_cpu_ptr(aead->tfm_entry); *tfm_entry = list_next_entry(*tfm_entry, list); - return (*tfm_entry)->tfm; + tfm = (*tfm_entry)->tfm; + put_cpu_ptr(tfm_entry); + + return tfm; } /** @@ -757,10 +763,12 @@ static void tipc_aead_encrypt_done(struct crypto_async_request *base, int err) switch (err) { case 0: this_cpu_inc(tx->stats->stat[STAT_ASYNC_OK]); + rcu_read_lock(); if (likely(test_bit(0, &b->up))) b->media->send_msg(net, skb, b, &tx_ctx->dst); else kfree_skb(skb); + rcu_read_unlock(); break; case -EINPROGRESS: return; diff --git a/net/tipc/group.c b/net/tipc/group.c index 89257e2a980d..588c2d2b0c69 100644 --- a/net/tipc/group.c +++ b/net/tipc/group.c @@ -536,7 +536,7 @@ void tipc_group_filter_msg(struct tipc_group *grp, struct sk_buff_head *inputq, update = true; deliver = false; } - /* Fall thru */ + fallthrough; case TIPC_GRP_BCAST_MSG: m->bc_rcv_nxt++; ack = msg_grp_bc_ack_req(hdr); diff --git a/net/tipc/link.c b/net/tipc/link.c index 107578122973..a2989f22ebb6 100644 --- a/net/tipc/link.c +++ b/net/tipc/link.c @@ -216,11 +216,6 @@ enum { #define TIPC_BC_RETR_LIM (jiffies + msecs_to_jiffies(10)) #define TIPC_UC_RETR_TIME (jiffies + msecs_to_jiffies(1)) -/* - * Interval between NACKs when packets arrive out of order - */ -#define TIPC_NACK_INTV (TIPC_MIN_LINK_WIN * 2) - /* Link FSM states: */ enum { @@ -1239,7 +1234,7 @@ static bool tipc_data_input(struct tipc_link *l, struct sk_buff *skb, skb_queue_tail(mc_inputq, skb); return true; } - /* fall through */ + fallthrough; case CONN_MANAGER: skb_queue_tail(inputq, skb); return true; diff --git a/net/tipc/net.c b/net/tipc/net.c index 85400e4242de..0bb2323201da 100644 --- a/net/tipc/net.c +++ b/net/tipc/net.c @@ -105,12 +105,6 @@ * - A local spin_lock protecting the queue of subscriber events. */ -struct tipc_net_work { - struct work_struct work; - struct net *net; - u32 addr; -}; - static void tipc_net_finalize(struct net *net, u32 addr); int tipc_net_init(struct net *net, u8 *node_id, u32 addr) @@ -142,25 +136,21 @@ static void tipc_net_finalize(struct net *net, u32 addr) TIPC_CLUSTER_SCOPE, 0, addr); } -static void tipc_net_finalize_work(struct work_struct *work) +void tipc_net_finalize_work(struct work_struct *work) { struct tipc_net_work *fwork; fwork = container_of(work, struct tipc_net_work, work); tipc_net_finalize(fwork->net, fwork->addr); - kfree(fwork); } void tipc_sched_net_finalize(struct net *net, u32 addr) { - struct tipc_net_work *fwork = kzalloc(sizeof(*fwork), GFP_ATOMIC); + struct tipc_net *tn = tipc_net(net); - if (!fwork) - return; - INIT_WORK(&fwork->work, tipc_net_finalize_work); - fwork->net = net; - fwork->addr = addr; - schedule_work(&fwork->work); + tn->final_work.net = net; + tn->final_work.addr = addr; + schedule_work(&tn->final_work.work); } void tipc_net_stop(struct net *net) diff --git a/net/tipc/net.h b/net/tipc/net.h index 6740d97c706e..d0c91d2df20a 100644 --- a/net/tipc/net.h +++ b/net/tipc/net.h @@ -42,6 +42,7 @@ extern const struct nla_policy tipc_nl_net_policy[]; int tipc_net_init(struct net *net, u8 *node_id, u32 addr); +void tipc_net_finalize_work(struct work_struct *work); void tipc_sched_net_finalize(struct net *net, u32 addr); void tipc_net_stop(struct net *net); int tipc_nl_net_dump(struct sk_buff *skb, struct netlink_callback *cb); diff --git a/net/tipc/netlink_compat.c b/net/tipc/netlink_compat.c index 217516357ef2..90e3c70a91ad 100644 --- a/net/tipc/netlink_compat.c +++ b/net/tipc/netlink_compat.c @@ -275,8 +275,9 @@ err_out: static int tipc_nl_compat_dumpit(struct tipc_nl_compat_cmd_dump *cmd, struct tipc_nl_compat_msg *msg) { - int err; + struct nlmsghdr *nlh; struct sk_buff *arg; + int err; if (msg->req_type && (!msg->req_size || !TLV_CHECK_TYPE(msg->req, msg->req_type))) @@ -305,6 +306,15 @@ static int tipc_nl_compat_dumpit(struct tipc_nl_compat_cmd_dump *cmd, return -ENOMEM; } + nlh = nlmsg_put(arg, 0, 0, tipc_genl_family.id, 0, NLM_F_MULTI); + if (!nlh) { + kfree_skb(arg); + kfree_skb(msg->rep); + msg->rep = NULL; + return -EMSGSIZE; + } + nlmsg_end(arg, nlh); + err = __tipc_nl_compat_dumpit(cmd, msg, arg); if (err) { kfree_skb(msg->rep); diff --git a/net/tipc/socket.c b/net/tipc/socket.c index 07419f36116a..dd93e8ecb2f4 100644 --- a/net/tipc/socket.c +++ b/net/tipc/socket.c @@ -52,7 +52,6 @@ #define NAGLE_START_MAX 1024 #define CONN_TIMEOUT_DEFAULT 8000 /* default connect timeout = 8s */ #define CONN_PROBING_INTV msecs_to_jiffies(3600000) /* [ms] => 1 h */ -#define TIPC_FWD_MSG 1 #define TIPC_MAX_PORT 0xffffffff #define TIPC_MIN_PORT 1 #define TIPC_ACK_RATE 4 /* ACK at 1/4 of of rcv window size */ @@ -783,7 +782,7 @@ static __poll_t tipc_poll(struct file *file, struct socket *sock, case TIPC_ESTABLISHED: if (!tsk->cong_link_cnt && !tsk_conn_cong(tsk)) revents |= EPOLLOUT; - /* fall through */ + fallthrough; case TIPC_LISTEN: case TIPC_CONNECTING: if (!skb_queue_empty_lockless(&sk->sk_receive_queue)) @@ -2597,7 +2596,7 @@ static int tipc_connect(struct socket *sock, struct sockaddr *dest, * case is EINPROGRESS, rather than EALREADY. */ res = -EINPROGRESS; - /* fall through */ + fallthrough; case TIPC_CONNECTING: if (!timeout) { if (previous == TIPC_CONNECTING) @@ -2771,18 +2770,21 @@ static int tipc_shutdown(struct socket *sock, int how) trace_tipc_sk_shutdown(sk, NULL, TIPC_DUMP_ALL, " "); __tipc_shutdown(sock, TIPC_CONN_SHUTDOWN); - sk->sk_shutdown = SEND_SHUTDOWN; + if (tipc_sk_type_connectionless(sk)) + sk->sk_shutdown = SHUTDOWN_MASK; + else + sk->sk_shutdown = SEND_SHUTDOWN; if (sk->sk_state == TIPC_DISCONNECTING) { /* Discard any unreceived messages */ __skb_queue_purge(&sk->sk_receive_queue); - /* Wake up anyone sleeping in poll */ - sk->sk_state_change(sk); res = 0; } else { res = -ENOTCONN; } + /* Wake up anyone sleeping in poll. */ + sk->sk_state_change(sk); release_sock(sk); return res; diff --git a/net/tipc/udp_media.c b/net/tipc/udp_media.c index 53f0de0676b7..911d13cd2e67 100644 --- a/net/tipc/udp_media.c +++ b/net/tipc/udp_media.c @@ -660,6 +660,7 @@ static int tipc_udp_enable(struct net *net, struct tipc_bearer *b, struct udp_tunnel_sock_cfg tuncfg = {NULL}; struct nlattr *opts[TIPC_NLA_UDP_MAX + 1]; u8 node_id[NODE_ID_LEN] = {0,}; + struct net_device *dev; int rmcast = 0; ub = kzalloc(sizeof(*ub), GFP_ATOMIC); @@ -714,8 +715,6 @@ static int tipc_udp_enable(struct net *net, struct tipc_bearer *b, rcu_assign_pointer(ub->bearer, b); tipc_udp_media_addr_set(&b->addr, &local); if (local.proto == htons(ETH_P_IP)) { - struct net_device *dev; - dev = __ip_dev_find(net, local.ipv4.s_addr, false); if (!dev) { err = -ENODEV; @@ -738,9 +737,8 @@ static int tipc_udp_enable(struct net *net, struct tipc_bearer *b, b->mtu = b->media->mtu; #if IS_ENABLED(CONFIG_IPV6) } else if (local.proto == htons(ETH_P_IPV6)) { - struct net_device *dev; - - dev = ipv6_dev_find(net, &local.ipv6); + dev = ub->ifindex ? __dev_get_by_index(net, ub->ifindex) : NULL; + dev = ipv6_dev_find(net, &local.ipv6, dev); if (!dev) { err = -ENODEV; goto err; |