diff options
author | Jakub Kicinski <kuba@kernel.org> | 2020-11-28 04:34:04 +0300 |
---|---|---|
committer | Jakub Kicinski <kuba@kernel.org> | 2020-11-28 04:34:04 +0300 |
commit | 6375da9dac8bec05a022f22ab22300cc824ec268 (patch) | |
tree | 22010e69206228ec1db021f72b29382c7ba75db6 | |
parent | fff4c74690018c4f741d1ae68c2ba2143b66844a (diff) | |
parent | b6f88d9c2faec015491a4c9936c170d7bc8539d5 (diff) | |
download | linux-6375da9dac8bec05a022f22ab22300cc824ec268.tar.xz |
Merge branch 'tipc-some-minor-improvements'
Jon Maloy says:
====================
tipc: some minor improvements
We add some improvements that will be useful in future commits.
====================
Link: https://lore.kernel.org/r/20201125182915.711370-1-jmaloy@redhat.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
-rw-r--r-- | net/tipc/addr.c | 7 | ||||
-rw-r--r-- | net/tipc/addr.h | 1 | ||||
-rw-r--r-- | net/tipc/core.h | 12 | ||||
-rw-r--r-- | net/tipc/group.c | 3 | ||||
-rw-r--r-- | net/tipc/group.h | 3 | ||||
-rw-r--r-- | net/tipc/name_table.c | 11 | ||||
-rw-r--r-- | net/tipc/net.c | 2 | ||||
-rw-r--r-- | net/tipc/socket.c | 110 | ||||
-rw-r--r-- | net/tipc/subscr.c | 5 | ||||
-rw-r--r-- | net/tipc/subscr.h | 5 | ||||
-rw-r--r-- | net/tipc/topsrv.c | 4 |
11 files changed, 87 insertions, 76 deletions
diff --git a/net/tipc/addr.c b/net/tipc/addr.c index 0f1eaed1bd1b..abe29d1aa23a 100644 --- a/net/tipc/addr.c +++ b/net/tipc/addr.c @@ -55,12 +55,11 @@ bool tipc_in_scope(bool legacy_format, u32 domain, u32 addr) void tipc_set_node_id(struct net *net, u8 *id) { struct tipc_net *tn = tipc_net(net); - u32 *tmp = (u32 *)id; memcpy(tn->node_id, id, NODE_ID_LEN); tipc_nodeid2string(tn->node_id_string, id); - tn->trial_addr = tmp[0] ^ tmp[1] ^ tmp[2] ^ tmp[3]; - pr_info("Own node identity %s, cluster identity %u\n", + tn->trial_addr = hash128to32(id); + pr_info("Node identity %s, cluster identity %u\n", tipc_own_id_string(net), tn->net_id); } @@ -76,7 +75,7 @@ void tipc_set_node_addr(struct net *net, u32 addr) } tn->trial_addr = addr; tn->addr_trial_end = jiffies; - pr_info("32-bit node address hash set to %x\n", addr); + pr_info("Node number set to %u\n", addr); } char *tipc_nodeid2string(char *str, u8 *id) diff --git a/net/tipc/addr.h b/net/tipc/addr.h index 31bee0ea7b3e..1a11831bef62 100644 --- a/net/tipc/addr.h +++ b/net/tipc/addr.h @@ -3,6 +3,7 @@ * * Copyright (c) 2000-2006, 2018, Ericsson AB * Copyright (c) 2004-2005, Wind River Systems + * Copyright (c) 2020, Red Hat Inc * All rights reserved. * * Redistribution and use in source and binary forms, with or without diff --git a/net/tipc/core.h b/net/tipc/core.h index df34dcdd0607..03de7b213f55 100644 --- a/net/tipc/core.h +++ b/net/tipc/core.h @@ -3,6 +3,7 @@ * * Copyright (c) 2005-2006, 2013-2018 Ericsson AB * Copyright (c) 2005-2007, 2010-2013, Wind River Systems + * Copyright (c) 2020, Red Hat Inc * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -210,6 +211,17 @@ static inline u32 tipc_net_hash_mixes(struct net *net, int tn_rand) return net_hash_mix(&init_net) ^ net_hash_mix(net) ^ tn_rand; } +static inline u32 hash128to32(char *bytes) +{ + __be32 *tmp = (__be32 *)bytes; + u32 res; + + res = ntohl(tmp[0] ^ tmp[1] ^ tmp[2] ^ tmp[3]); + if (likely(res)) + return res; + return ntohl(tmp[0] | tmp[1] | tmp[2] | tmp[3]); +} + #ifdef CONFIG_SYSCTL int tipc_register_sysctl(void); void tipc_unregister_sysctl(void); diff --git a/net/tipc/group.c b/net/tipc/group.c index b1fcd2ad5ecf..3e137d8c9d2f 100644 --- a/net/tipc/group.c +++ b/net/tipc/group.c @@ -2,6 +2,7 @@ * net/tipc/group.c: TIPC group messaging code * * Copyright (c) 2017, Ericsson AB + * Copyright (c) 2020, Red Hat Inc * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -359,7 +360,7 @@ struct tipc_nlist *tipc_group_dests(struct tipc_group *grp) return &grp->dests; } -void tipc_group_self(struct tipc_group *grp, struct tipc_name_seq *seq, +void tipc_group_self(struct tipc_group *grp, struct tipc_service_range *seq, int *scope) { seq->type = grp->type; diff --git a/net/tipc/group.h b/net/tipc/group.h index 76b4e5a7b39d..ea4c3be64c78 100644 --- a/net/tipc/group.h +++ b/net/tipc/group.h @@ -2,6 +2,7 @@ * net/tipc/group.h: Include file for TIPC group unicast/multicast functions * * Copyright (c) 2017, Ericsson AB + * Copyright (c) 2020, Red Hat Inc * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -50,7 +51,7 @@ void tipc_group_delete(struct net *net, struct tipc_group *grp); void tipc_group_add_member(struct tipc_group *grp, u32 node, u32 port, u32 instance); struct tipc_nlist *tipc_group_dests(struct tipc_group *grp); -void tipc_group_self(struct tipc_group *grp, struct tipc_name_seq *seq, +void tipc_group_self(struct tipc_group *grp, struct tipc_service_range *seq, int *scope); u32 tipc_group_exclude(struct tipc_group *grp); void tipc_group_filter_msg(struct tipc_group *grp, diff --git a/net/tipc/name_table.c b/net/tipc/name_table.c index 2ac33d32edc2..e1233d6d5163 100644 --- a/net/tipc/name_table.c +++ b/net/tipc/name_table.c @@ -3,6 +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 * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -403,12 +404,12 @@ static void tipc_service_subscribe(struct tipc_service *service, struct publication *p, *first, *tmp; struct list_head publ_list; struct service_range *sr; - struct tipc_name_seq ns; + struct tipc_service_range r; u32 filter; - ns.type = tipc_sub_read(sb, seq.type); - ns.lower = tipc_sub_read(sb, seq.lower); - ns.upper = tipc_sub_read(sb, seq.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); tipc_sub_get(sub); @@ -418,7 +419,7 @@ static void tipc_service_subscribe(struct tipc_service *service, return; INIT_LIST_HEAD(&publ_list); - service_range_foreach_match(sr, service, ns.lower, ns.upper) { + service_range_foreach_match(sr, service, r.lower, r.upper) { first = NULL; list_for_each_entry(p, &sr->all_publ, all_publ) { if (filter & TIPC_SUB_PORTS) diff --git a/net/tipc/net.c b/net/tipc/net.c index 0bb2323201da..a129f661bee3 100644 --- a/net/tipc/net.c +++ b/net/tipc/net.c @@ -132,7 +132,7 @@ 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_CFG_SRV, addr, addr, + tipc_nametbl_publish(net, TIPC_NODE_STATE, addr, addr, TIPC_CLUSTER_SCOPE, 0, addr); } diff --git a/net/tipc/socket.c b/net/tipc/socket.c index 69c4b16e8184..75e81fc8e9a8 100644 --- a/net/tipc/socket.c +++ b/net/tipc/socket.c @@ -1,8 +1,9 @@ /* * net/tipc/socket.c: TIPC socket API * - * Copyright (c) 2001-2007, 2012-2017, Ericsson AB + * Copyright (c) 2001-2007, 2012-2019, Ericsson AB * Copyright (c) 2004-2008, 2010-2013, Wind River Systems + * Copyright (c) 2020, Red Hat Inc * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -138,9 +139,9 @@ 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_name_seq const *seq); + struct tipc_service_range const *seq); static int tipc_sk_withdraw(struct tipc_sock *tsk, uint scope, - struct tipc_name_seq const *seq); + struct tipc_service_range const *seq); 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); @@ -644,10 +645,10 @@ static int tipc_release(struct socket *sock) } /** - * tipc_bind - associate or disassocate TIPC name(s) with a socket + * __tipc_bind - associate or disassocate TIPC name(s) with a socket * @sock: socket structure - * @uaddr: socket address describing name(s) and desired operation - * @uaddr_len: size of socket address data structure + * @skaddr: socket address describing name(s) and desired operation + * @alen: size of socket address data structure * * Name and name sequence binding is indicated using a positive scope value; * a negative scope value unbinds the specified name. Specifying no name @@ -658,44 +659,33 @@ static int tipc_release(struct socket *sock) * NOTE: This routine doesn't need to take the socket lock since it doesn't * access any non-constant socket information. */ - -int tipc_sk_bind(struct socket *sock, struct sockaddr *uaddr, int uaddr_len) +static int __tipc_bind(struct socket *sock, struct sockaddr *skaddr, int alen) { - struct sock *sk = sock->sk; - struct sockaddr_tipc *addr = (struct sockaddr_tipc *)uaddr; - struct tipc_sock *tsk = tipc_sk(sk); - int res = -EINVAL; + struct sockaddr_tipc *addr = (struct sockaddr_tipc *)skaddr; + struct tipc_sock *tsk = tipc_sk(sock->sk); - lock_sock(sk); - if (unlikely(!uaddr_len)) { - res = tipc_sk_withdraw(tsk, 0, NULL); - goto exit; - } - if (tsk->group) { - res = -EACCES; - goto exit; - } - if (uaddr_len < sizeof(struct sockaddr_tipc)) { - res = -EINVAL; - goto exit; - } - if (addr->family != AF_TIPC) { - res = -EAFNOSUPPORT; - goto exit; - } + if (unlikely(!alen)) + return tipc_sk_withdraw(tsk, 0, NULL); - if (addr->addrtype == TIPC_ADDR_NAME) + if (addr->addrtype == TIPC_SERVICE_ADDR) addr->addr.nameseq.upper = addr->addr.nameseq.lower; - else if (addr->addrtype != TIPC_ADDR_NAMESEQ) { - res = -EAFNOSUPPORT; - goto exit; - } - res = (addr->scope >= 0) ? - tipc_sk_publish(tsk, addr->scope, &addr->addr.nameseq) : - tipc_sk_withdraw(tsk, -addr->scope, &addr->addr.nameseq); -exit: - release_sock(sk); + 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); +} + +int tipc_sk_bind(struct socket *sock, struct sockaddr *skaddr, int alen) +{ + int res; + + lock_sock(sock->sk); + res = __tipc_bind(sock, skaddr, alen); + release_sock(sock->sk); return res; } @@ -706,6 +696,10 @@ static int tipc_bind(struct socket *sock, struct sockaddr *skaddr, int alen) if (alen) { if (alen < sizeof(struct sockaddr_tipc)) return -EINVAL; + if (addr->family != AF_TIPC) + return -EAFNOSUPPORT; + if (addr->addrtype > TIPC_SERVICE_ADDR) + return -EAFNOSUPPORT; if (addr->addr.nameseq.type < TIPC_RESERVED_TYPES) { pr_warn_once("Can't bind to reserved service type %u\n", addr->addr.nameseq.type); @@ -746,7 +740,7 @@ static int tipc_getname(struct socket *sock, struct sockaddr *uaddr, addr->addr.id.node = tipc_own_addr(sock_net(sk)); } - addr->addrtype = TIPC_ADDR_ID; + addr->addrtype = TIPC_SOCKET_ADDR; addr->family = AF_TIPC; addr->scope = 0; addr->addr.name.domain = 0; @@ -824,7 +818,7 @@ static __poll_t tipc_poll(struct file *file, struct socket *sock, * Called from function tipc_sendmsg(), which has done all sanity checks * Returns the number of bytes sent on success, or errno */ -static int tipc_sendmcast(struct socket *sock, struct tipc_name_seq *seq, +static int tipc_sendmcast(struct socket *sock, struct tipc_service_range *seq, struct msghdr *msg, size_t dlen, long timeout) { struct sock *sk = sock->sk; @@ -1409,7 +1403,7 @@ static int __tipc_sendmsg(struct socket *sock, struct msghdr *m, size_t dlen) bool syn = !tipc_sk_type_connectionless(sk); struct tipc_group *grp = tsk->group; struct tipc_msg *hdr = &tsk->phdr; - struct tipc_name_seq *seq; + struct tipc_service_range *seq; struct sk_buff_head pkts; u32 dport = 0, dnode = 0; u32 type = 0, inst = 0; @@ -1428,9 +1422,9 @@ static int __tipc_sendmsg(struct socket *sock, struct msghdr *m, size_t dlen) if (grp) { if (!dest) return tipc_send_group_bcast(sock, m, dlen, timeout); - if (dest->addrtype == TIPC_ADDR_NAME) + if (dest->addrtype == TIPC_SERVICE_ADDR) return tipc_send_group_anycast(sock, m, dlen, timeout); - if (dest->addrtype == TIPC_ADDR_ID) + if (dest->addrtype == TIPC_SOCKET_ADDR) return tipc_send_group_unicast(sock, m, dlen, timeout); if (dest->addrtype == TIPC_ADDR_MCAST) return tipc_send_group_mcast(sock, m, dlen, timeout); @@ -1450,7 +1444,7 @@ static int __tipc_sendmsg(struct socket *sock, struct msghdr *m, size_t dlen) return -EISCONN; if (tsk->published) return -EOPNOTSUPP; - if (dest->addrtype == TIPC_ADDR_NAME) { + if (dest->addrtype == TIPC_SERVICE_ADDR) { tsk->conn_type = dest->addr.name.name.type; tsk->conn_instance = dest->addr.name.name.instance; } @@ -1461,14 +1455,14 @@ static int __tipc_sendmsg(struct socket *sock, struct msghdr *m, size_t dlen) if (dest->addrtype == TIPC_ADDR_MCAST) return tipc_sendmcast(sock, seq, m, dlen, timeout); - if (dest->addrtype == TIPC_ADDR_NAME) { + 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)) return -EHOSTUNREACH; - } else if (dest->addrtype == TIPC_ADDR_ID) { + } else if (dest->addrtype == TIPC_SOCKET_ADDR) { dnode = dest->addr.id.node; } else { return -EINVAL; @@ -1480,7 +1474,7 @@ static int __tipc_sendmsg(struct socket *sock, struct msghdr *m, size_t dlen) if (unlikely(rc)) return rc; - if (dest->addrtype == TIPC_ADDR_NAME) { + if (dest->addrtype == TIPC_SERVICE_ADDR) { msg_set_type(hdr, TIPC_NAMED_MSG); msg_set_hdr_sz(hdr, NAMED_H_SIZE); msg_set_nametype(hdr, type); @@ -1488,7 +1482,7 @@ static int __tipc_sendmsg(struct socket *sock, struct msghdr *m, size_t dlen) msg_set_lookup_scope(hdr, tipc_node2scope(dnode)); msg_set_destnode(hdr, dnode); msg_set_destport(hdr, dport); - } else { /* TIPC_ADDR_ID */ + } else { /* TIPC_SOCKET_ADDR */ msg_set_type(hdr, TIPC_DIRECT_MSG); msg_set_lookup_scope(hdr, 0); msg_set_destnode(hdr, dnode); @@ -1693,7 +1687,7 @@ static void tipc_sk_set_orig_addr(struct msghdr *m, struct sk_buff *skb) return; srcaddr->sock.family = AF_TIPC; - srcaddr->sock.addrtype = TIPC_ADDR_ID; + srcaddr->sock.addrtype = TIPC_SOCKET_ADDR; srcaddr->sock.scope = 0; srcaddr->sock.addr.id.ref = msg_origport(hdr); srcaddr->sock.addr.id.node = msg_orignode(hdr); @@ -1705,7 +1699,7 @@ 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.addrtype = TIPC_SERVICE_ADDR; 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; @@ -2873,7 +2867,7 @@ static void tipc_sk_timeout(struct timer_list *t) } static int tipc_sk_publish(struct tipc_sock *tsk, uint scope, - struct tipc_name_seq const *seq) + struct tipc_service_range const *seq) { struct sock *sk = &tsk->sk; struct net *net = sock_net(sk); @@ -2901,7 +2895,7 @@ static int tipc_sk_publish(struct tipc_sock *tsk, uint scope, } static int tipc_sk_withdraw(struct tipc_sock *tsk, uint scope, - struct tipc_name_seq const *seq) + struct tipc_service_range const *seq) { struct net *net = sock_net(&tsk->sk); struct publication *publ; @@ -3048,7 +3042,7 @@ 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_name_seq seq; + struct tipc_service_range seq; int rc; if (mreq->type < TIPC_RESERVED_TYPES) @@ -3085,7 +3079,7 @@ static int tipc_sk_leave(struct tipc_sock *tsk) { struct net *net = sock_net(&tsk->sk); struct tipc_group *grp = tsk->group; - struct tipc_name_seq seq; + struct tipc_service_range seq; int scope; if (!grp) @@ -3209,7 +3203,7 @@ static int tipc_getsockopt(struct socket *sock, int lvl, int opt, { struct sock *sk = sock->sk; struct tipc_sock *tsk = tipc_sk(sk); - struct tipc_name_seq seq; + struct tipc_service_range seq; int len, scope; u32 value; int res; @@ -3310,12 +3304,12 @@ static int tipc_socketpair(struct socket *sock1, struct socket *sock2) u32 onode = tipc_own_addr(sock_net(sock1->sk)); tsk1->peer.family = AF_TIPC; - tsk1->peer.addrtype = TIPC_ADDR_ID; + tsk1->peer.addrtype = TIPC_SOCKET_ADDR; tsk1->peer.scope = TIPC_NODE_SCOPE; tsk1->peer.addr.id.ref = tsk2->portid; tsk1->peer.addr.id.node = onode; tsk2->peer.family = AF_TIPC; - tsk2->peer.addrtype = TIPC_ADDR_ID; + tsk2->peer.addrtype = TIPC_SOCKET_ADDR; tsk2->peer.scope = TIPC_NODE_SCOPE; tsk2->peer.addr.id.ref = tsk1->portid; tsk2->peer.addr.id.node = onode; diff --git a/net/tipc/subscr.c b/net/tipc/subscr.c index f340e53da625..5edfb2d522b9 100644 --- a/net/tipc/subscr.c +++ b/net/tipc/subscr.c @@ -3,6 +3,7 @@ * * Copyright (c) 2000-2017, Ericsson AB * Copyright (c) 2005-2007, 2010-2013, Wind River Systems + * Copyright (c) 2020, Red Hat Inc * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -60,7 +61,7 @@ static void tipc_sub_send_event(struct tipc_subscription *sub, * * Returns 1 if there is overlap, otherwise 0. */ -int tipc_sub_check_overlap(struct tipc_name_seq *seq, u32 found_lower, +int tipc_sub_check_overlap(struct tipc_service_range *seq, u32 found_lower, u32 found_upper) { if (found_lower < seq->lower) @@ -79,7 +80,7 @@ void tipc_sub_report_overlap(struct tipc_subscription *sub, { struct tipc_subscr *s = &sub->evt.s; u32 filter = tipc_sub_read(s, filter); - struct tipc_name_seq seq; + struct tipc_service_range seq; seq.type = tipc_sub_read(s, seq.type); seq.lower = tipc_sub_read(s, seq.lower); diff --git a/net/tipc/subscr.h b/net/tipc/subscr.h index 6ebbec1bedd1..a083b1b0c1d2 100644 --- a/net/tipc/subscr.h +++ b/net/tipc/subscr.h @@ -3,6 +3,7 @@ * * Copyright (c) 2003-2017, Ericsson AB * Copyright (c) 2005-2007, 2012-2013, Wind River Systems + * Copyright (c) 2020, Red Hat Inc * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -71,8 +72,8 @@ struct tipc_subscription *tipc_sub_subscribe(struct net *net, int conid); void tipc_sub_unsubscribe(struct tipc_subscription *sub); -int tipc_sub_check_overlap(struct tipc_name_seq *seq, u32 found_lower, - u32 found_upper); +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, diff --git a/net/tipc/topsrv.c b/net/tipc/topsrv.c index 88ad39e47a98..5522865deae9 100644 --- a/net/tipc/topsrv.c +++ b/net/tipc/topsrv.c @@ -519,8 +519,8 @@ static int tipc_topsrv_create_listener(struct tipc_topsrv *srv) goto err; saddr.family = AF_TIPC; - saddr.addrtype = TIPC_ADDR_NAMESEQ; - saddr.addr.nameseq.type = TIPC_TOP_SRV; + saddr.addrtype = TIPC_SERVICE_RANGE; + saddr.addr.nameseq.type = TIPC_TOP_SRV; saddr.addr.nameseq.lower = TIPC_TOP_SRV; saddr.addr.nameseq.upper = TIPC_TOP_SRV; saddr.scope = TIPC_NODE_SCOPE; |