diff options
Diffstat (limited to 'net/tipc')
| -rw-r--r-- | net/tipc/bearer.c | 50 | ||||
| -rw-r--r-- | net/tipc/group.c | 2 | ||||
| -rw-r--r-- | net/tipc/link.c | 51 | ||||
| -rw-r--r-- | net/tipc/link.h | 2 | ||||
| -rw-r--r-- | net/tipc/monitor.c | 4 | ||||
| -rw-r--r-- | net/tipc/name_table.c | 4 | ||||
| -rw-r--r-- | net/tipc/net.c | 8 | ||||
| -rw-r--r-- | net/tipc/netlink.c | 25 | ||||
| -rw-r--r-- | net/tipc/netlink_compat.c | 88 | ||||
| -rw-r--r-- | net/tipc/node.c | 96 | ||||
| -rw-r--r-- | net/tipc/socket.c | 19 | ||||
| -rw-r--r-- | net/tipc/udp_media.c | 25 |
12 files changed, 238 insertions, 136 deletions
diff --git a/net/tipc/bearer.c b/net/tipc/bearer.c index d27f30a9a01d..2bed6589f41e 100644 --- a/net/tipc/bearer.c +++ b/net/tipc/bearer.c @@ -687,14 +687,14 @@ static int __tipc_nl_add_bearer(struct tipc_nl_msg *msg, if (!hdr) return -EMSGSIZE; - attrs = nla_nest_start(msg->skb, TIPC_NLA_BEARER); + attrs = nla_nest_start_noflag(msg->skb, TIPC_NLA_BEARER); if (!attrs) goto msg_full; if (nla_put_string(msg->skb, TIPC_NLA_BEARER_NAME, bearer->name)) goto attr_msg_full; - prop = nla_nest_start(msg->skb, TIPC_NLA_BEARER_PROP); + prop = nla_nest_start_noflag(msg->skb, TIPC_NLA_BEARER_PROP); if (!prop) goto prop_msg_full; if (nla_put_u32(msg->skb, TIPC_NLA_PROP_PRIO, bearer->priority)) @@ -776,9 +776,9 @@ int tipc_nl_bearer_get(struct sk_buff *skb, struct genl_info *info) if (!info->attrs[TIPC_NLA_BEARER]) return -EINVAL; - err = nla_parse_nested(attrs, TIPC_NLA_BEARER_MAX, - info->attrs[TIPC_NLA_BEARER], - tipc_nl_bearer_policy, info->extack); + err = nla_parse_nested_deprecated(attrs, TIPC_NLA_BEARER_MAX, + info->attrs[TIPC_NLA_BEARER], + tipc_nl_bearer_policy, info->extack); if (err) return err; @@ -825,9 +825,9 @@ int __tipc_nl_bearer_disable(struct sk_buff *skb, struct genl_info *info) if (!info->attrs[TIPC_NLA_BEARER]) return -EINVAL; - err = nla_parse_nested(attrs, TIPC_NLA_BEARER_MAX, - info->attrs[TIPC_NLA_BEARER], - tipc_nl_bearer_policy, info->extack); + err = nla_parse_nested_deprecated(attrs, TIPC_NLA_BEARER_MAX, + info->attrs[TIPC_NLA_BEARER], + tipc_nl_bearer_policy, info->extack); if (err) return err; @@ -870,9 +870,9 @@ int __tipc_nl_bearer_enable(struct sk_buff *skb, struct genl_info *info) if (!info->attrs[TIPC_NLA_BEARER]) return -EINVAL; - err = nla_parse_nested(attrs, TIPC_NLA_BEARER_MAX, - info->attrs[TIPC_NLA_BEARER], - tipc_nl_bearer_policy, info->extack); + err = nla_parse_nested_deprecated(attrs, TIPC_NLA_BEARER_MAX, + info->attrs[TIPC_NLA_BEARER], + tipc_nl_bearer_policy, info->extack); if (err) return err; @@ -921,9 +921,9 @@ int tipc_nl_bearer_add(struct sk_buff *skb, struct genl_info *info) if (!info->attrs[TIPC_NLA_BEARER]) return -EINVAL; - err = nla_parse_nested(attrs, TIPC_NLA_BEARER_MAX, - info->attrs[TIPC_NLA_BEARER], - tipc_nl_bearer_policy, info->extack); + err = nla_parse_nested_deprecated(attrs, TIPC_NLA_BEARER_MAX, + info->attrs[TIPC_NLA_BEARER], + tipc_nl_bearer_policy, info->extack); if (err) return err; @@ -964,9 +964,9 @@ int __tipc_nl_bearer_set(struct sk_buff *skb, struct genl_info *info) if (!info->attrs[TIPC_NLA_BEARER]) return -EINVAL; - err = nla_parse_nested(attrs, TIPC_NLA_BEARER_MAX, - info->attrs[TIPC_NLA_BEARER], - tipc_nl_bearer_policy, info->extack); + err = nla_parse_nested_deprecated(attrs, TIPC_NLA_BEARER_MAX, + info->attrs[TIPC_NLA_BEARER], + tipc_nl_bearer_policy, info->extack); if (err) return err; @@ -1033,14 +1033,14 @@ static int __tipc_nl_add_media(struct tipc_nl_msg *msg, if (!hdr) return -EMSGSIZE; - attrs = nla_nest_start(msg->skb, TIPC_NLA_MEDIA); + attrs = nla_nest_start_noflag(msg->skb, TIPC_NLA_MEDIA); if (!attrs) goto msg_full; if (nla_put_string(msg->skb, TIPC_NLA_MEDIA_NAME, media->name)) goto attr_msg_full; - prop = nla_nest_start(msg->skb, TIPC_NLA_MEDIA_PROP); + prop = nla_nest_start_noflag(msg->skb, TIPC_NLA_MEDIA_PROP); if (!prop) goto prop_msg_full; if (nla_put_u32(msg->skb, TIPC_NLA_PROP_PRIO, media->priority)) @@ -1107,9 +1107,9 @@ int tipc_nl_media_get(struct sk_buff *skb, struct genl_info *info) if (!info->attrs[TIPC_NLA_MEDIA]) return -EINVAL; - err = nla_parse_nested(attrs, TIPC_NLA_MEDIA_MAX, - info->attrs[TIPC_NLA_MEDIA], - tipc_nl_media_policy, info->extack); + err = nla_parse_nested_deprecated(attrs, TIPC_NLA_MEDIA_MAX, + info->attrs[TIPC_NLA_MEDIA], + tipc_nl_media_policy, info->extack); if (err) return err; @@ -1155,9 +1155,9 @@ int __tipc_nl_media_set(struct sk_buff *skb, struct genl_info *info) if (!info->attrs[TIPC_NLA_MEDIA]) return -EINVAL; - err = nla_parse_nested(attrs, TIPC_NLA_MEDIA_MAX, - info->attrs[TIPC_NLA_MEDIA], - tipc_nl_media_policy, info->extack); + err = nla_parse_nested_deprecated(attrs, TIPC_NLA_MEDIA_MAX, + info->attrs[TIPC_NLA_MEDIA], + tipc_nl_media_policy, info->extack); if (!attrs[TIPC_NLA_MEDIA_NAME]) return -EINVAL; diff --git a/net/tipc/group.c b/net/tipc/group.c index 63f39201e41e..992be6113676 100644 --- a/net/tipc/group.c +++ b/net/tipc/group.c @@ -917,7 +917,7 @@ void tipc_group_member_evt(struct tipc_group *grp, int tipc_group_fill_sock_diag(struct tipc_group *grp, struct sk_buff *skb) { - struct nlattr *group = nla_nest_start(skb, TIPC_NLA_SOCK_GROUP); + struct nlattr *group = nla_nest_start_noflag(skb, TIPC_NLA_SOCK_GROUP); if (!group) return -EMSGSIZE; diff --git a/net/tipc/link.c b/net/tipc/link.c index 6053489c8063..f5cd986e1e50 100644 --- a/net/tipc/link.c +++ b/net/tipc/link.c @@ -1705,6 +1705,41 @@ tnl: } } +/** + * tipc_link_failover_prepare() - prepare tnl for link failover + * + * This is a special version of the precursor - tipc_link_tnl_prepare(), + * see the tipc_node_link_failover() for details + * + * @l: failover link + * @tnl: tunnel link + * @xmitq: queue for messages to be xmited + */ +void tipc_link_failover_prepare(struct tipc_link *l, struct tipc_link *tnl, + struct sk_buff_head *xmitq) +{ + struct sk_buff_head *fdefq = &tnl->failover_deferdq; + + tipc_link_create_dummy_tnl_msg(tnl, xmitq); + + /* This failover link enpoint was never established before, + * so it has not received anything from peer. + * Otherwise, it must be a normal failover situation or the + * node has entered SELF_DOWN_PEER_LEAVING and both peer nodes + * would have to start over from scratch instead. + */ + WARN_ON(l && tipc_link_is_up(l)); + tnl->drop_point = 1; + tnl->failover_reasm_skb = NULL; + + /* Initiate the link's failover deferdq */ + if (unlikely(!skb_queue_empty(fdefq))) { + pr_warn("Link failover deferdq not empty: %d!\n", + skb_queue_len(fdefq)); + __skb_queue_purge(fdefq); + } +} + /* tipc_link_validate_msg(): validate message against current link state * Returns true if message should be accepted, otherwise false */ @@ -2148,8 +2183,8 @@ int tipc_nl_parse_link_prop(struct nlattr *prop, struct nlattr *props[]) { int err; - err = nla_parse_nested(props, TIPC_NLA_PROP_MAX, prop, - tipc_nl_prop_policy, NULL); + err = nla_parse_nested_deprecated(props, TIPC_NLA_PROP_MAX, prop, + tipc_nl_prop_policy, NULL); if (err) return err; @@ -2228,7 +2263,7 @@ static int __tipc_nl_add_stats(struct sk_buff *skb, struct tipc_stats *s) (s->accu_queue_sz / s->queue_sz_counts) : 0} }; - stats = nla_nest_start(skb, TIPC_NLA_LINK_STATS); + stats = nla_nest_start_noflag(skb, TIPC_NLA_LINK_STATS); if (!stats) return -EMSGSIZE; @@ -2260,7 +2295,7 @@ int __tipc_nl_add_link(struct net *net, struct tipc_nl_msg *msg, if (!hdr) return -EMSGSIZE; - attrs = nla_nest_start(msg->skb, TIPC_NLA_LINK); + attrs = nla_nest_start_noflag(msg->skb, TIPC_NLA_LINK); if (!attrs) goto msg_full; @@ -2282,7 +2317,7 @@ int __tipc_nl_add_link(struct net *net, struct tipc_nl_msg *msg, if (nla_put_flag(msg->skb, TIPC_NLA_LINK_ACTIVE)) goto attr_msg_full; - prop = nla_nest_start(msg->skb, TIPC_NLA_LINK_PROP); + prop = nla_nest_start_noflag(msg->skb, TIPC_NLA_LINK_PROP); if (!prop) goto attr_msg_full; if (nla_put_u32(msg->skb, TIPC_NLA_PROP_PRIO, link->priority)) @@ -2349,7 +2384,7 @@ static int __tipc_nl_add_bc_link_stat(struct sk_buff *skb, (stats->accu_queue_sz / stats->queue_sz_counts) : 0} }; - nest = nla_nest_start(skb, TIPC_NLA_LINK_STATS); + nest = nla_nest_start_noflag(skb, TIPC_NLA_LINK_STATS); if (!nest) return -EMSGSIZE; @@ -2389,7 +2424,7 @@ int tipc_nl_add_bc_link(struct net *net, struct tipc_nl_msg *msg) return -EMSGSIZE; } - attrs = nla_nest_start(msg->skb, TIPC_NLA_LINK); + attrs = nla_nest_start_noflag(msg->skb, TIPC_NLA_LINK); if (!attrs) goto msg_full; @@ -2406,7 +2441,7 @@ int tipc_nl_add_bc_link(struct net *net, struct tipc_nl_msg *msg) if (nla_put_u32(msg->skb, TIPC_NLA_LINK_TX, 0)) goto attr_msg_full; - prop = nla_nest_start(msg->skb, TIPC_NLA_LINK_PROP); + prop = nla_nest_start_noflag(msg->skb, TIPC_NLA_LINK_PROP); if (!prop) goto attr_msg_full; if (nla_put_u32(msg->skb, TIPC_NLA_PROP_WIN, bcl->window)) diff --git a/net/tipc/link.h b/net/tipc/link.h index 8439e0ee53a8..adcad65e761c 100644 --- a/net/tipc/link.h +++ b/net/tipc/link.h @@ -90,6 +90,8 @@ void tipc_link_tnl_prepare(struct tipc_link *l, struct tipc_link *tnl, int mtyp, struct sk_buff_head *xmitq); void tipc_link_create_dummy_tnl_msg(struct tipc_link *tnl, struct sk_buff_head *xmitq); +void tipc_link_failover_prepare(struct tipc_link *l, struct tipc_link *tnl, + struct sk_buff_head *xmitq); void tipc_link_build_reset_msg(struct tipc_link *l, struct sk_buff_head *xmitq); int tipc_link_fsm_evt(struct tipc_link *l, int evt); bool tipc_link_is_up(struct tipc_link *l); diff --git a/net/tipc/monitor.c b/net/tipc/monitor.c index 67f69389ec17..6a6eae88442f 100644 --- a/net/tipc/monitor.c +++ b/net/tipc/monitor.c @@ -696,7 +696,7 @@ static int __tipc_nl_add_monitor_peer(struct tipc_peer *peer, if (!hdr) return -EMSGSIZE; - attrs = nla_nest_start(msg->skb, TIPC_NLA_MON_PEER); + attrs = nla_nest_start_noflag(msg->skb, TIPC_NLA_MON_PEER); if (!attrs) goto msg_full; @@ -785,7 +785,7 @@ int __tipc_nl_add_monitor(struct net *net, struct tipc_nl_msg *msg, if (!hdr) return -EMSGSIZE; - attrs = nla_nest_start(msg->skb, TIPC_NLA_MON); + attrs = nla_nest_start_noflag(msg->skb, TIPC_NLA_MON); if (!attrs) goto msg_full; diff --git a/net/tipc/name_table.c b/net/tipc/name_table.c index 89993afe0fbd..66a65c2cdb23 100644 --- a/net/tipc/name_table.c +++ b/net/tipc/name_table.c @@ -829,11 +829,11 @@ static int __tipc_nl_add_nametable_publ(struct tipc_nl_msg *msg, if (!hdr) return -EMSGSIZE; - attrs = nla_nest_start(msg->skb, TIPC_NLA_NAME_TABLE); + attrs = nla_nest_start_noflag(msg->skb, TIPC_NLA_NAME_TABLE); if (!attrs) goto msg_full; - b = nla_nest_start(msg->skb, TIPC_NLA_NAME_TABLE_PUBL); + b = nla_nest_start_noflag(msg->skb, TIPC_NLA_NAME_TABLE_PUBL); if (!b) goto attr_msg_full; diff --git a/net/tipc/net.c b/net/tipc/net.c index 7ce1e86b024f..85707c185360 100644 --- a/net/tipc/net.c +++ b/net/tipc/net.c @@ -187,7 +187,7 @@ static int __tipc_nl_add_net(struct net *net, struct tipc_nl_msg *msg) if (!hdr) return -EMSGSIZE; - attrs = nla_nest_start(msg->skb, TIPC_NLA_NET); + attrs = nla_nest_start_noflag(msg->skb, TIPC_NLA_NET); if (!attrs) goto msg_full; @@ -245,9 +245,9 @@ int __tipc_nl_net_set(struct sk_buff *skb, struct genl_info *info) if (!info->attrs[TIPC_NLA_NET]) return -EINVAL; - err = nla_parse_nested(attrs, TIPC_NLA_NET_MAX, - info->attrs[TIPC_NLA_NET], tipc_nl_net_policy, - info->extack); + err = nla_parse_nested_deprecated(attrs, TIPC_NLA_NET_MAX, + info->attrs[TIPC_NLA_NET], + tipc_nl_net_policy, info->extack); if (err) return err; diff --git a/net/tipc/netlink.c b/net/tipc/netlink.c index 2d178df0a89f..99bd166bccec 100644 --- a/net/tipc/netlink.c +++ b/net/tipc/netlink.c @@ -143,93 +143,114 @@ const struct nla_policy tipc_nl_udp_policy[TIPC_NLA_UDP_MAX + 1] = { static const struct genl_ops tipc_genl_v2_ops[] = { { .cmd = TIPC_NL_BEARER_DISABLE, + .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, .doit = tipc_nl_bearer_disable, }, { .cmd = TIPC_NL_BEARER_ENABLE, + .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, .doit = tipc_nl_bearer_enable, }, { .cmd = TIPC_NL_BEARER_GET, + .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, .doit = tipc_nl_bearer_get, .dumpit = tipc_nl_bearer_dump, }, { .cmd = TIPC_NL_BEARER_ADD, + .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, .doit = tipc_nl_bearer_add, }, { .cmd = TIPC_NL_BEARER_SET, + .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, .doit = tipc_nl_bearer_set, }, { .cmd = TIPC_NL_SOCK_GET, + .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, .start = tipc_dump_start, .dumpit = tipc_nl_sk_dump, .done = tipc_dump_done, }, { .cmd = TIPC_NL_PUBL_GET, + .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, .dumpit = tipc_nl_publ_dump, }, { .cmd = TIPC_NL_LINK_GET, + .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, .doit = tipc_nl_node_get_link, .dumpit = tipc_nl_node_dump_link, }, { .cmd = TIPC_NL_LINK_SET, + .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, .doit = tipc_nl_node_set_link, }, { .cmd = TIPC_NL_LINK_RESET_STATS, + .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, .doit = tipc_nl_node_reset_link_stats, }, { .cmd = TIPC_NL_MEDIA_GET, + .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, .doit = tipc_nl_media_get, .dumpit = tipc_nl_media_dump, }, { .cmd = TIPC_NL_MEDIA_SET, + .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, .doit = tipc_nl_media_set, }, { .cmd = TIPC_NL_NODE_GET, + .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, .dumpit = tipc_nl_node_dump, }, { .cmd = TIPC_NL_NET_GET, + .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, .dumpit = tipc_nl_net_dump, }, { .cmd = TIPC_NL_NET_SET, + .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, .doit = tipc_nl_net_set, }, { .cmd = TIPC_NL_NAME_TABLE_GET, + .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, .dumpit = tipc_nl_name_table_dump, }, { .cmd = TIPC_NL_MON_SET, + .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, .doit = tipc_nl_node_set_monitor, }, { .cmd = TIPC_NL_MON_GET, + .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, .doit = tipc_nl_node_get_monitor, .dumpit = tipc_nl_node_dump_monitor, }, { .cmd = TIPC_NL_MON_PEER_GET, + .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, .dumpit = tipc_nl_node_dump_monitor_peer, }, { .cmd = TIPC_NL_PEER_REMOVE, + .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, .doit = tipc_nl_peer_rm, }, #ifdef CONFIG_TIPC_MEDIA_UDP { .cmd = TIPC_NL_UDP_GET_REMOTEIP, + .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, .dumpit = tipc_udp_nl_dump_remoteip, }, #endif @@ -255,8 +276,8 @@ int tipc_nlmsg_parse(const struct nlmsghdr *nlh, struct nlattr ***attr) if (!*attr) return -EOPNOTSUPP; - return nlmsg_parse(nlh, GENL_HDRLEN, *attr, maxattr, tipc_nl_policy, - NULL); + return nlmsg_parse_deprecated(nlh, GENL_HDRLEN, *attr, maxattr, + tipc_nl_policy, NULL); } int __init tipc_netlink_start(void) diff --git a/net/tipc/netlink_compat.c b/net/tipc/netlink_compat.c index 340a6e7c43a7..c6a04c09d075 100644 --- a/net/tipc/netlink_compat.c +++ b/net/tipc/netlink_compat.c @@ -328,9 +328,9 @@ static int __tipc_nl_compat_doit(struct tipc_nl_compat_cmd_doit *cmd, if (err) goto doit_out; - err = nla_parse(attrbuf, tipc_genl_family.maxattr, - (const struct nlattr *)trans_buf->data, - trans_buf->len, NULL, NULL); + err = nla_parse_deprecated(attrbuf, tipc_genl_family.maxattr, + (const struct nlattr *)trans_buf->data, + trans_buf->len, NULL, NULL); if (err) goto doit_out; @@ -378,8 +378,8 @@ static int tipc_nl_compat_bearer_dump(struct tipc_nl_compat_msg *msg, if (!attrs[TIPC_NLA_BEARER]) return -EINVAL; - err = nla_parse_nested(bearer, TIPC_NLA_BEARER_MAX, - attrs[TIPC_NLA_BEARER], NULL, NULL); + err = nla_parse_nested_deprecated(bearer, TIPC_NLA_BEARER_MAX, + attrs[TIPC_NLA_BEARER], NULL, NULL); if (err) return err; @@ -399,7 +399,7 @@ static int tipc_nl_compat_bearer_enable(struct tipc_nl_compat_cmd_doit *cmd, b = (struct tipc_bearer_config *)TLV_DATA(msg->req); - bearer = nla_nest_start(skb, TIPC_NLA_BEARER); + bearer = nla_nest_start_noflag(skb, TIPC_NLA_BEARER); if (!bearer) return -EMSGSIZE; @@ -419,7 +419,7 @@ static int tipc_nl_compat_bearer_enable(struct tipc_nl_compat_cmd_doit *cmd, return -EMSGSIZE; if (ntohl(b->priority) <= TIPC_MAX_LINK_PRI) { - prop = nla_nest_start(skb, TIPC_NLA_BEARER_PROP); + prop = nla_nest_start_noflag(skb, TIPC_NLA_BEARER_PROP); if (!prop) return -EMSGSIZE; if (nla_put_u32(skb, TIPC_NLA_PROP_PRIO, ntohl(b->priority))) @@ -441,7 +441,7 @@ static int tipc_nl_compat_bearer_disable(struct tipc_nl_compat_cmd_doit *cmd, name = (char *)TLV_DATA(msg->req); - bearer = nla_nest_start(skb, TIPC_NLA_BEARER); + bearer = nla_nest_start_noflag(skb, TIPC_NLA_BEARER); if (!bearer) return -EMSGSIZE; @@ -514,24 +514,26 @@ static int tipc_nl_compat_link_stat_dump(struct tipc_nl_compat_msg *msg, if (!attrs[TIPC_NLA_LINK]) return -EINVAL; - err = nla_parse_nested(link, TIPC_NLA_LINK_MAX, attrs[TIPC_NLA_LINK], - NULL, NULL); + err = nla_parse_nested_deprecated(link, TIPC_NLA_LINK_MAX, + attrs[TIPC_NLA_LINK], NULL, NULL); if (err) return err; if (!link[TIPC_NLA_LINK_PROP]) return -EINVAL; - err = nla_parse_nested(prop, TIPC_NLA_PROP_MAX, - link[TIPC_NLA_LINK_PROP], NULL, NULL); + err = nla_parse_nested_deprecated(prop, TIPC_NLA_PROP_MAX, + link[TIPC_NLA_LINK_PROP], NULL, + NULL); if (err) return err; if (!link[TIPC_NLA_LINK_STATS]) return -EINVAL; - err = nla_parse_nested(stats, TIPC_NLA_STATS_MAX, - link[TIPC_NLA_LINK_STATS], NULL, NULL); + err = nla_parse_nested_deprecated(stats, TIPC_NLA_STATS_MAX, + link[TIPC_NLA_LINK_STATS], NULL, + NULL); if (err) return err; @@ -645,8 +647,8 @@ static int tipc_nl_compat_link_dump(struct tipc_nl_compat_msg *msg, if (!attrs[TIPC_NLA_LINK]) return -EINVAL; - err = nla_parse_nested(link, TIPC_NLA_LINK_MAX, attrs[TIPC_NLA_LINK], - NULL, NULL); + err = nla_parse_nested_deprecated(link, TIPC_NLA_LINK_MAX, + attrs[TIPC_NLA_LINK], NULL, NULL); if (err) return err; @@ -685,7 +687,7 @@ static int tipc_nl_compat_media_set(struct sk_buff *skb, lc = (struct tipc_link_config *)TLV_DATA(msg->req); - media = nla_nest_start(skb, TIPC_NLA_MEDIA); + media = nla_nest_start_noflag(skb, TIPC_NLA_MEDIA); if (!media) return -EMSGSIZE; @@ -696,7 +698,7 @@ static int tipc_nl_compat_media_set(struct sk_buff *skb, if (nla_put_string(skb, TIPC_NLA_MEDIA_NAME, lc->name)) return -EMSGSIZE; - prop = nla_nest_start(skb, TIPC_NLA_MEDIA_PROP); + prop = nla_nest_start_noflag(skb, TIPC_NLA_MEDIA_PROP); if (!prop) return -EMSGSIZE; @@ -717,7 +719,7 @@ static int tipc_nl_compat_bearer_set(struct sk_buff *skb, lc = (struct tipc_link_config *)TLV_DATA(msg->req); - bearer = nla_nest_start(skb, TIPC_NLA_BEARER); + bearer = nla_nest_start_noflag(skb, TIPC_NLA_BEARER); if (!bearer) return -EMSGSIZE; @@ -728,7 +730,7 @@ static int tipc_nl_compat_bearer_set(struct sk_buff *skb, if (nla_put_string(skb, TIPC_NLA_BEARER_NAME, lc->name)) return -EMSGSIZE; - prop = nla_nest_start(skb, TIPC_NLA_BEARER_PROP); + prop = nla_nest_start_noflag(skb, TIPC_NLA_BEARER_PROP); if (!prop) return -EMSGSIZE; @@ -748,14 +750,14 @@ static int __tipc_nl_compat_link_set(struct sk_buff *skb, lc = (struct tipc_link_config *)TLV_DATA(msg->req); - link = nla_nest_start(skb, TIPC_NLA_LINK); + link = nla_nest_start_noflag(skb, TIPC_NLA_LINK); if (!link) return -EMSGSIZE; if (nla_put_string(skb, TIPC_NLA_LINK_NAME, lc->name)) return -EMSGSIZE; - prop = nla_nest_start(skb, TIPC_NLA_LINK_PROP); + prop = nla_nest_start_noflag(skb, TIPC_NLA_LINK_PROP); if (!prop) return -EMSGSIZE; @@ -811,7 +813,7 @@ static int tipc_nl_compat_link_reset_stats(struct tipc_nl_compat_cmd_doit *cmd, name = (char *)TLV_DATA(msg->req); - link = nla_nest_start(skb, TIPC_NLA_LINK); + link = nla_nest_start_noflag(skb, TIPC_NLA_LINK); if (!link) return -EMSGSIZE; @@ -869,16 +871,18 @@ static int tipc_nl_compat_name_table_dump(struct tipc_nl_compat_msg *msg, if (!attrs[TIPC_NLA_NAME_TABLE]) return -EINVAL; - err = nla_parse_nested(nt, TIPC_NLA_NAME_TABLE_MAX, - attrs[TIPC_NLA_NAME_TABLE], NULL, NULL); + err = nla_parse_nested_deprecated(nt, TIPC_NLA_NAME_TABLE_MAX, + attrs[TIPC_NLA_NAME_TABLE], NULL, + NULL); if (err) return err; if (!nt[TIPC_NLA_NAME_TABLE_PUBL]) return -EINVAL; - err = nla_parse_nested(publ, TIPC_NLA_PUBL_MAX, - nt[TIPC_NLA_NAME_TABLE_PUBL], NULL, NULL); + err = nla_parse_nested_deprecated(publ, TIPC_NLA_PUBL_MAX, + nt[TIPC_NLA_NAME_TABLE_PUBL], NULL, + NULL); if (err) return err; @@ -937,8 +941,8 @@ static int __tipc_nl_compat_publ_dump(struct tipc_nl_compat_msg *msg, if (!attrs[TIPC_NLA_PUBL]) return -EINVAL; - err = nla_parse_nested(publ, TIPC_NLA_PUBL_MAX, attrs[TIPC_NLA_PUBL], - NULL, NULL); + err = nla_parse_nested_deprecated(publ, TIPC_NLA_PUBL_MAX, + attrs[TIPC_NLA_PUBL], NULL, NULL); if (err) return err; @@ -973,7 +977,7 @@ static int tipc_nl_compat_publ_dump(struct tipc_nl_compat_msg *msg, u32 sock) return -EMSGSIZE; } - nest = nla_nest_start(args, TIPC_NLA_SOCK); + nest = nla_nest_start_noflag(args, TIPC_NLA_SOCK); if (!nest) { kfree_skb(args); return -EMSGSIZE; @@ -1007,8 +1011,8 @@ static int tipc_nl_compat_sk_dump(struct tipc_nl_compat_msg *msg, if (!attrs[TIPC_NLA_SOCK]) return -EINVAL; - err = nla_parse_nested(sock, TIPC_NLA_SOCK_MAX, attrs[TIPC_NLA_SOCK], - NULL, NULL); + err = nla_parse_nested_deprecated(sock, TIPC_NLA_SOCK_MAX, + attrs[TIPC_NLA_SOCK], NULL, NULL); if (err) return err; @@ -1019,8 +1023,9 @@ static int tipc_nl_compat_sk_dump(struct tipc_nl_compat_msg *msg, u32 node; struct nlattr *con[TIPC_NLA_CON_MAX + 1]; - err = nla_parse_nested(con, TIPC_NLA_CON_MAX, - sock[TIPC_NLA_SOCK_CON], NULL, NULL); + err = nla_parse_nested_deprecated(con, TIPC_NLA_CON_MAX, + sock[TIPC_NLA_SOCK_CON], + NULL, NULL); if (err) return err; @@ -1059,8 +1064,8 @@ static int tipc_nl_compat_media_dump(struct tipc_nl_compat_msg *msg, if (!attrs[TIPC_NLA_MEDIA]) return -EINVAL; - err = nla_parse_nested(media, TIPC_NLA_MEDIA_MAX, - attrs[TIPC_NLA_MEDIA], NULL, NULL); + err = nla_parse_nested_deprecated(media, TIPC_NLA_MEDIA_MAX, + attrs[TIPC_NLA_MEDIA], NULL, NULL); if (err) return err; @@ -1079,8 +1084,8 @@ static int tipc_nl_compat_node_dump(struct tipc_nl_compat_msg *msg, if (!attrs[TIPC_NLA_NODE]) return -EINVAL; - err = nla_parse_nested(node, TIPC_NLA_NODE_MAX, attrs[TIPC_NLA_NODE], - NULL, NULL); + err = nla_parse_nested_deprecated(node, TIPC_NLA_NODE_MAX, + attrs[TIPC_NLA_NODE], NULL, NULL); if (err) return err; @@ -1100,7 +1105,7 @@ static int tipc_nl_compat_net_set(struct tipc_nl_compat_cmd_doit *cmd, val = ntohl(*(__be32 *)TLV_DATA(msg->req)); - net = nla_nest_start(skb, TIPC_NLA_NET); + net = nla_nest_start_noflag(skb, TIPC_NLA_NET); if (!net) return -EMSGSIZE; @@ -1126,8 +1131,8 @@ static int tipc_nl_compat_net_dump(struct tipc_nl_compat_msg *msg, if (!attrs[TIPC_NLA_NET]) return -EINVAL; - err = nla_parse_nested(net, TIPC_NLA_NET_MAX, attrs[TIPC_NLA_NET], - NULL, NULL); + err = nla_parse_nested_deprecated(net, TIPC_NLA_NET_MAX, + attrs[TIPC_NLA_NET], NULL, NULL); if (err) return err; @@ -1300,6 +1305,7 @@ send: static const struct genl_ops tipc_genl_compat_ops[] = { { .cmd = TIPC_GENL_CMD, + .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, .doit = tipc_nl_compat_recv, }, }; diff --git a/net/tipc/node.c b/net/tipc/node.c index 7478e2d4ec02..9e106d3ed187 100644 --- a/net/tipc/node.c +++ b/net/tipc/node.c @@ -714,7 +714,6 @@ static void __tipc_node_link_up(struct tipc_node *n, int bearer_id, *slot0 = bearer_id; *slot1 = bearer_id; tipc_node_fsm_evt(n, SELF_ESTABL_CONTACT_EVT); - n->failover_sent = false; n->action_flags |= TIPC_NOTIFY_NODE_UP; tipc_link_set_active(nl, true); tipc_bcast_add_peer(n->net, nl, xmitq); @@ -757,6 +756,45 @@ static void tipc_node_link_up(struct tipc_node *n, int bearer_id, } /** + * tipc_node_link_failover() - start failover in case "half-failover" + * + * This function is only called in a very special situation where link + * failover can be already started on peer node but not on this node. + * This can happen when e.g. + * 1. Both links <1A-2A>, <1B-2B> down + * 2. Link endpoint 2A up, but 1A still down (e.g. due to network + * disturbance, wrong session, etc.) + * 3. Link <1B-2B> up + * 4. Link endpoint 2A down (e.g. due to link tolerance timeout) + * 5. Node B starts failover onto link <1B-2B> + * + * ==> Node A does never start link/node failover! + * + * @n: tipc node structure + * @l: link peer endpoint failingover (- can be NULL) + * @tnl: tunnel link + * @xmitq: queue for messages to be xmited on tnl link later + */ +static void tipc_node_link_failover(struct tipc_node *n, struct tipc_link *l, + struct tipc_link *tnl, + struct sk_buff_head *xmitq) +{ + /* Avoid to be "self-failover" that can never end */ + if (!tipc_link_is_up(tnl)) + return; + + tipc_link_fsm_evt(tnl, LINK_SYNCH_END_EVT); + tipc_node_fsm_evt(n, NODE_SYNCH_END_EVT); + + n->sync_point = tipc_link_rcv_nxt(tnl) + (U16_MAX / 2 - 1); + tipc_link_failover_prepare(l, tnl, xmitq); + + if (l) + tipc_link_fsm_evt(l, LINK_FAILOVER_BEGIN_EVT); + tipc_node_fsm_evt(n, NODE_FAILOVER_BEGIN_EVT); +} + +/** * __tipc_node_link_down - handle loss of link */ static void __tipc_node_link_down(struct tipc_node *n, int *bearer_id, @@ -1359,7 +1397,7 @@ static int __tipc_nl_add_node(struct tipc_nl_msg *msg, struct tipc_node *node) if (!hdr) return -EMSGSIZE; - attrs = nla_nest_start(msg->skb, TIPC_NLA_NODE); + attrs = nla_nest_start_noflag(msg->skb, TIPC_NLA_NODE); if (!attrs) goto msg_full; @@ -1675,14 +1713,16 @@ static bool tipc_node_check_state(struct tipc_node *n, struct sk_buff *skb, tipc_skb_queue_splice_tail_init(tipc_link_inputq(pl), tipc_link_inputq(l)); } + /* If parallel link was already down, and this happened before - * the tunnel link came up, FAILOVER was never sent. Ensure that - * FAILOVER is sent to get peer out of NODE_FAILINGOVER state. + * the tunnel link came up, node failover was never started. + * Ensure that a FAILOVER_MSG is sent to get peer out of + * NODE_FAILINGOVER state, also this node must accept + * TUNNEL_MSGs from peer. */ - if (n->state != NODE_FAILINGOVER && !n->failover_sent) { - tipc_link_create_dummy_tnl_msg(l, xmitq); - n->failover_sent = true; - } + if (n->state != NODE_FAILINGOVER) + tipc_node_link_failover(n, pl, l, xmitq); + /* If pkts arrive out of order, use lowest calculated syncpt */ if (less(syncpt, n->sync_point)) n->sync_point = syncpt; @@ -1885,9 +1925,9 @@ int tipc_nl_peer_rm(struct sk_buff *skb, struct genl_info *info) if (!info->attrs[TIPC_NLA_NET]) return -EINVAL; - err = nla_parse_nested(attrs, TIPC_NLA_NET_MAX, - info->attrs[TIPC_NLA_NET], tipc_nl_net_policy, - info->extack); + err = nla_parse_nested_deprecated(attrs, TIPC_NLA_NET_MAX, + info->attrs[TIPC_NLA_NET], + tipc_nl_net_policy, info->extack); if (err) return err; @@ -2043,9 +2083,9 @@ int tipc_nl_node_set_link(struct sk_buff *skb, struct genl_info *info) if (!info->attrs[TIPC_NLA_LINK]) return -EINVAL; - err = nla_parse_nested(attrs, TIPC_NLA_LINK_MAX, - info->attrs[TIPC_NLA_LINK], - tipc_nl_link_policy, info->extack); + err = nla_parse_nested_deprecated(attrs, TIPC_NLA_LINK_MAX, + info->attrs[TIPC_NLA_LINK], + tipc_nl_link_policy, info->extack); if (err) return err; @@ -2119,9 +2159,9 @@ int tipc_nl_node_get_link(struct sk_buff *skb, struct genl_info *info) if (!info->attrs[TIPC_NLA_LINK]) return -EINVAL; - err = nla_parse_nested(attrs, TIPC_NLA_LINK_MAX, - info->attrs[TIPC_NLA_LINK], - tipc_nl_link_policy, info->extack); + err = nla_parse_nested_deprecated(attrs, TIPC_NLA_LINK_MAX, + info->attrs[TIPC_NLA_LINK], + tipc_nl_link_policy, info->extack); if (err) return err; @@ -2184,9 +2224,9 @@ int tipc_nl_node_reset_link_stats(struct sk_buff *skb, struct genl_info *info) if (!info->attrs[TIPC_NLA_LINK]) return -EINVAL; - err = nla_parse_nested(attrs, TIPC_NLA_LINK_MAX, - info->attrs[TIPC_NLA_LINK], - tipc_nl_link_policy, info->extack); + err = nla_parse_nested_deprecated(attrs, TIPC_NLA_LINK_MAX, + info->attrs[TIPC_NLA_LINK], + tipc_nl_link_policy, info->extack); if (err) return err; @@ -2324,9 +2364,10 @@ int tipc_nl_node_set_monitor(struct sk_buff *skb, struct genl_info *info) if (!info->attrs[TIPC_NLA_MON]) return -EINVAL; - err = nla_parse_nested(attrs, TIPC_NLA_MON_MAX, - info->attrs[TIPC_NLA_MON], - tipc_nl_monitor_policy, info->extack); + err = nla_parse_nested_deprecated(attrs, TIPC_NLA_MON_MAX, + info->attrs[TIPC_NLA_MON], + tipc_nl_monitor_policy, + info->extack); if (err) return err; @@ -2353,7 +2394,7 @@ static int __tipc_nl_add_monitor_prop(struct net *net, struct tipc_nl_msg *msg) if (!hdr) return -EMSGSIZE; - attrs = nla_nest_start(msg->skb, TIPC_NLA_MON); + attrs = nla_nest_start_noflag(msg->skb, TIPC_NLA_MON); if (!attrs) goto msg_full; @@ -2444,9 +2485,10 @@ int tipc_nl_node_dump_monitor_peer(struct sk_buff *skb, if (!attrs[TIPC_NLA_MON]) return -EINVAL; - err = nla_parse_nested(mon, TIPC_NLA_MON_MAX, - attrs[TIPC_NLA_MON], - tipc_nl_monitor_policy, NULL); + err = nla_parse_nested_deprecated(mon, TIPC_NLA_MON_MAX, + attrs[TIPC_NLA_MON], + tipc_nl_monitor_policy, + NULL); if (err) return err; diff --git a/net/tipc/socket.c b/net/tipc/socket.c index 8ac8ddf1e324..145e4decb0c9 100644 --- a/net/tipc/socket.c +++ b/net/tipc/socket.c @@ -3070,6 +3070,9 @@ static int tipc_getsockopt(struct socket *sock, int lvl, int opt, case TIPC_SOCK_RECVQ_DEPTH: value = skb_queue_len(&sk->sk_receive_queue); break; + case TIPC_SOCK_RECVQ_USED: + value = sk_rmem_alloc_get(sk); + break; case TIPC_GROUP_JOIN: seq.type = 0; if (tsk->group) @@ -3270,7 +3273,7 @@ static int __tipc_nl_add_sk_con(struct sk_buff *skb, struct tipc_sock *tsk) peer_node = tsk_peer_node(tsk); peer_port = tsk_peer_port(tsk); - nest = nla_nest_start(skb, TIPC_NLA_SOCK_CON); + nest = nla_nest_start_noflag(skb, TIPC_NLA_SOCK_CON); if (!nest) return -EMSGSIZE; @@ -3329,7 +3332,7 @@ static int __tipc_nl_add_sk(struct sk_buff *skb, struct netlink_callback *cb, if (!hdr) goto msg_cancel; - attrs = nla_nest_start(skb, TIPC_NLA_SOCK); + attrs = nla_nest_start_noflag(skb, TIPC_NLA_SOCK); if (!attrs) goto genlmsg_cancel; @@ -3434,7 +3437,7 @@ int tipc_sk_fill_sock_diag(struct sk_buff *skb, struct netlink_callback *cb, if (!(sk_filter_state & (1 << sk->sk_state))) return 0; - attrs = nla_nest_start(skb, TIPC_NLA_SOCK); + attrs = nla_nest_start_noflag(skb, TIPC_NLA_SOCK); if (!attrs) goto msg_cancel; @@ -3452,7 +3455,7 @@ int tipc_sk_fill_sock_diag(struct sk_buff *skb, struct netlink_callback *cb, TIPC_NLA_SOCK_PAD)) goto attr_msg_cancel; - stat = nla_nest_start(skb, TIPC_NLA_SOCK_STAT); + stat = nla_nest_start_noflag(skb, TIPC_NLA_SOCK_STAT); if (!stat) goto attr_msg_cancel; @@ -3509,7 +3512,7 @@ static int __tipc_nl_add_sk_publ(struct sk_buff *skb, if (!hdr) goto msg_cancel; - attrs = nla_nest_start(skb, TIPC_NLA_PUBL); + attrs = nla_nest_start_noflag(skb, TIPC_NLA_PUBL); if (!attrs) goto genlmsg_cancel; @@ -3596,9 +3599,9 @@ int tipc_nl_publ_dump(struct sk_buff *skb, struct netlink_callback *cb) if (!attrs[TIPC_NLA_SOCK]) return -EINVAL; - err = nla_parse_nested(sock, TIPC_NLA_SOCK_MAX, - attrs[TIPC_NLA_SOCK], - tipc_nl_sock_policy, NULL); + err = nla_parse_nested_deprecated(sock, TIPC_NLA_SOCK_MAX, + attrs[TIPC_NLA_SOCK], + tipc_nl_sock_policy, NULL); if (err) return err; diff --git a/net/tipc/udp_media.c b/net/tipc/udp_media.c index 6f166fbbfff1..7fc02d84c4f1 100644 --- a/net/tipc/udp_media.c +++ b/net/tipc/udp_media.c @@ -354,25 +354,21 @@ static int tipc_udp_recv(struct sock *sk, struct sk_buff *skb) skb_pull(skb, sizeof(struct udphdr)); hdr = buf_msg(skb); - rcu_read_lock(); - b = rcu_dereference_rtnl(ub->bearer); + b = rcu_dereference(ub->bearer); if (!b) - goto rcu_out; + goto out; if (b && test_bit(0, &b->up)) { tipc_rcv(sock_net(sk), skb, b); - rcu_read_unlock(); return 0; } if (unlikely(msg_user(hdr) == LINK_CONFIG)) { err = tipc_udp_rcast_disc(b, skb); if (err) - goto rcu_out; + goto out; } -rcu_out: - rcu_read_unlock(); out: kfree_skb(skb); return 0; @@ -451,9 +447,9 @@ int tipc_udp_nl_dump_remoteip(struct sk_buff *skb, struct netlink_callback *cb) if (!attrs[TIPC_NLA_BEARER]) return -EINVAL; - err = nla_parse_nested(battrs, TIPC_NLA_BEARER_MAX, - attrs[TIPC_NLA_BEARER], - tipc_nl_bearer_policy, NULL); + err = nla_parse_nested_deprecated(battrs, TIPC_NLA_BEARER_MAX, + attrs[TIPC_NLA_BEARER], + tipc_nl_bearer_policy, NULL); if (err) return err; @@ -527,7 +523,7 @@ int tipc_udp_nl_add_bearer_data(struct tipc_nl_msg *msg, struct tipc_bearer *b) if (!ub) return -ENODEV; - nest = nla_nest_start(msg->skb, TIPC_NLA_BEARER_UDP_OPTS); + nest = nla_nest_start_noflag(msg->skb, TIPC_NLA_BEARER_UDP_OPTS); if (!nest) goto msg_full; @@ -605,8 +601,7 @@ int tipc_udp_nl_bearer_add(struct tipc_bearer *b, struct nlattr *attr) struct nlattr *opts[TIPC_NLA_UDP_MAX + 1]; struct udp_media_addr *dst; - if (nla_parse_nested(opts, TIPC_NLA_UDP_MAX, attr, - tipc_nl_udp_policy, NULL)) + if (nla_parse_nested_deprecated(opts, TIPC_NLA_UDP_MAX, attr, tipc_nl_udp_policy, NULL)) return -EINVAL; if (!opts[TIPC_NLA_UDP_REMOTE]) @@ -659,9 +654,7 @@ static int tipc_udp_enable(struct net *net, struct tipc_bearer *b, if (!attrs[TIPC_NLA_BEARER_UDP_OPTS]) goto err; - if (nla_parse_nested(opts, TIPC_NLA_UDP_MAX, - attrs[TIPC_NLA_BEARER_UDP_OPTS], - tipc_nl_udp_policy, NULL)) + if (nla_parse_nested_deprecated(opts, TIPC_NLA_UDP_MAX, attrs[TIPC_NLA_BEARER_UDP_OPTS], tipc_nl_udp_policy, NULL)) goto err; if (!opts[TIPC_NLA_UDP_LOCAL] || !opts[TIPC_NLA_UDP_REMOTE]) { |