diff options
Diffstat (limited to 'net')
-rw-r--r-- | net/core/skbuff.c | 1 | ||||
-rw-r--r-- | net/netfilter/ipset/ip_set_core.c | 12 | ||||
-rw-r--r-- | net/netfilter/ipset/ip_set_hash_netiface.c | 32 | ||||
-rw-r--r-- | net/netfilter/ipvs/ip_vs_ctl.c | 14 | ||||
-rw-r--r-- | net/netfilter/nfnetlink.c | 4 | ||||
-rw-r--r-- | net/sctp/associola.c | 1 | ||||
-rw-r--r-- | net/sctp/output.c | 5 | ||||
-rw-r--r-- | net/sctp/sm_make_chunk.c | 16 | ||||
-rw-r--r-- | net/sctp/sm_sideeffect.c | 2 | ||||
-rw-r--r-- | net/sctp/transport.c | 2 | ||||
-rw-r--r-- | net/sctp/tsnmap.c | 6 | ||||
-rw-r--r-- | net/sctp/ulpevent.c | 3 | ||||
-rw-r--r-- | net/sctp/ulpqueue.c | 2 |
13 files changed, 60 insertions, 40 deletions
diff --git a/net/core/skbuff.c b/net/core/skbuff.c index 5b21522ed0e..5a789a807ec 100644 --- a/net/core/skbuff.c +++ b/net/core/skbuff.c @@ -1755,6 +1755,7 @@ int skb_splice_bits(struct sk_buff *skb, unsigned int offset, struct splice_pipe_desc spd = { .pages = pages, .partial = partial, + .nr_pages_max = MAX_SKB_FRAGS, .flags = flags, .ops = &sock_pipe_buf_ops, .spd_release = sock_spd_release, diff --git a/net/netfilter/ipset/ip_set_core.c b/net/netfilter/ipset/ip_set_core.c index 819c342f5b3..9730882697a 100644 --- a/net/netfilter/ipset/ip_set_core.c +++ b/net/netfilter/ipset/ip_set_core.c @@ -640,6 +640,14 @@ find_free_id(const char *name, ip_set_id_t *index, struct ip_set **set) } static int +ip_set_none(struct sock *ctnl, struct sk_buff *skb, + const struct nlmsghdr *nlh, + const struct nlattr * const attr[]) +{ + return -EOPNOTSUPP; +} + +static int ip_set_create(struct sock *ctnl, struct sk_buff *skb, const struct nlmsghdr *nlh, const struct nlattr * const attr[]) @@ -1539,6 +1547,10 @@ nlmsg_failure: } static const struct nfnl_callback ip_set_netlink_subsys_cb[IPSET_MSG_MAX] = { + [IPSET_CMD_NONE] = { + .call = ip_set_none, + .attr_count = IPSET_ATTR_CMD_MAX, + }, [IPSET_CMD_CREATE] = { .call = ip_set_create, .attr_count = IPSET_ATTR_CMD_MAX, diff --git a/net/netfilter/ipset/ip_set_hash_netiface.c b/net/netfilter/ipset/ip_set_hash_netiface.c index ee863943c82..d5d3607ae7b 100644 --- a/net/netfilter/ipset/ip_set_hash_netiface.c +++ b/net/netfilter/ipset/ip_set_hash_netiface.c @@ -38,30 +38,6 @@ struct iface_node { #define iface_data(n) (rb_entry(n, struct iface_node, node)->iface) -static inline long -ifname_compare(const char *_a, const char *_b) -{ - const long *a = (const long *)_a; - const long *b = (const long *)_b; - - BUILD_BUG_ON(IFNAMSIZ > 4 * sizeof(unsigned long)); - if (a[0] != b[0]) - return a[0] - b[0]; - if (IFNAMSIZ > sizeof(long)) { - if (a[1] != b[1]) - return a[1] - b[1]; - } - if (IFNAMSIZ > 2 * sizeof(long)) { - if (a[2] != b[2]) - return a[2] - b[2]; - } - if (IFNAMSIZ > 3 * sizeof(long)) { - if (a[3] != b[3]) - return a[3] - b[3]; - } - return 0; -} - static void rbtree_destroy(struct rb_root *root) { @@ -99,7 +75,7 @@ iface_test(struct rb_root *root, const char **iface) while (n) { const char *d = iface_data(n); - long res = ifname_compare(*iface, d); + int res = strcmp(*iface, d); if (res < 0) n = n->rb_left; @@ -121,7 +97,7 @@ iface_add(struct rb_root *root, const char **iface) while (*n) { char *ifname = iface_data(*n); - long res = ifname_compare(*iface, ifname); + int res = strcmp(*iface, ifname); p = *n; if (res < 0) @@ -366,7 +342,7 @@ hash_netiface4_uadt(struct ip_set *set, struct nlattr *tb[], struct hash_netiface4_elem data = { .cidr = HOST_MASK }; u32 ip = 0, ip_to, last; u32 timeout = h->timeout; - char iface[IFNAMSIZ] = {}; + char iface[IFNAMSIZ]; int ret; if (unlikely(!tb[IPSET_ATTR_IP] || @@ -663,7 +639,7 @@ hash_netiface6_uadt(struct ip_set *set, struct nlattr *tb[], ipset_adtfn adtfn = set->variant->adt[adt]; struct hash_netiface6_elem data = { .cidr = HOST_MASK }; u32 timeout = h->timeout; - char iface[IFNAMSIZ] = {}; + char iface[IFNAMSIZ]; int ret; if (unlikely(!tb[IPSET_ATTR_IP] || diff --git a/net/netfilter/ipvs/ip_vs_ctl.c b/net/netfilter/ipvs/ip_vs_ctl.c index dd811b8dd97..d43e3c122f7 100644 --- a/net/netfilter/ipvs/ip_vs_ctl.c +++ b/net/netfilter/ipvs/ip_vs_ctl.c @@ -76,19 +76,19 @@ static void __ip_vs_del_service(struct ip_vs_service *svc); #ifdef CONFIG_IP_VS_IPV6 /* Taken from rt6_fill_node() in net/ipv6/route.c, is there a better way? */ -static int __ip_vs_addr_is_local_v6(struct net *net, - const struct in6_addr *addr) +static bool __ip_vs_addr_is_local_v6(struct net *net, + const struct in6_addr *addr) { - struct rt6_info *rt; struct flowi6 fl6 = { .daddr = *addr, }; + struct dst_entry *dst = ip6_route_output(net, NULL, &fl6); + bool is_local; - rt = (struct rt6_info *)ip6_route_output(net, NULL, &fl6); - if (rt && rt->dst.dev && (rt->dst.dev->flags & IFF_LOOPBACK)) - return 1; + is_local = !dst->error && dst->dev && (dst->dev->flags & IFF_LOOPBACK); - return 0; + dst_release(dst); + return is_local; } #endif diff --git a/net/netfilter/nfnetlink.c b/net/netfilter/nfnetlink.c index 5a2132b97fe..465539d43a0 100644 --- a/net/netfilter/nfnetlink.c +++ b/net/netfilter/nfnetlink.c @@ -178,8 +178,10 @@ replay: err = nla_parse(cda, ss->cb[cb_id].attr_count, attr, attrlen, ss->cb[cb_id].policy); - if (err < 0) + if (err < 0) { + rcu_read_unlock(); return err; + } if (nc->call_rcu) { err = nc->call_rcu(net->nfnl, skb, nlh, diff --git a/net/sctp/associola.c b/net/sctp/associola.c index 5bc9ab161b3..b16517ee1aa 100644 --- a/net/sctp/associola.c +++ b/net/sctp/associola.c @@ -271,6 +271,7 @@ static struct sctp_association *sctp_association_init(struct sctp_association *a */ asoc->peer.sack_needed = 1; asoc->peer.sack_cnt = 0; + asoc->peer.sack_generation = 1; /* Assume that the peer will tell us if he recognizes ASCONF * as part of INIT exchange. diff --git a/net/sctp/output.c b/net/sctp/output.c index f1b7d4bb591..6ae47acaaec 100644 --- a/net/sctp/output.c +++ b/net/sctp/output.c @@ -248,6 +248,11 @@ static sctp_xmit_t sctp_packet_bundle_sack(struct sctp_packet *pkt, /* If the SACK timer is running, we have a pending SACK */ if (timer_pending(timer)) { struct sctp_chunk *sack; + + if (pkt->transport->sack_generation != + pkt->transport->asoc->peer.sack_generation) + return retval; + asoc->a_rwnd = asoc->rwnd; sack = sctp_make_sack(asoc); if (sack) { diff --git a/net/sctp/sm_make_chunk.c b/net/sctp/sm_make_chunk.c index a85eeeb55dd..b6de71efb14 100644 --- a/net/sctp/sm_make_chunk.c +++ b/net/sctp/sm_make_chunk.c @@ -734,8 +734,10 @@ struct sctp_chunk *sctp_make_sack(const struct sctp_association *asoc) int len; __u32 ctsn; __u16 num_gabs, num_dup_tsns; + struct sctp_association *aptr = (struct sctp_association *)asoc; struct sctp_tsnmap *map = (struct sctp_tsnmap *)&asoc->peer.tsn_map; struct sctp_gap_ack_block gabs[SCTP_MAX_GABS]; + struct sctp_transport *trans; memset(gabs, 0, sizeof(gabs)); ctsn = sctp_tsnmap_get_ctsn(map); @@ -805,6 +807,20 @@ struct sctp_chunk *sctp_make_sack(const struct sctp_association *asoc) sctp_addto_chunk(retval, sizeof(__u32) * num_dup_tsns, sctp_tsnmap_get_dups(map)); + /* Once we have a sack generated, check to see what our sack + * generation is, if its 0, reset the transports to 0, and reset + * the association generation to 1 + * + * The idea is that zero is never used as a valid generation for the + * association so no transport will match after a wrap event like this, + * Until the next sack + */ + if (++aptr->peer.sack_generation == 0) { + list_for_each_entry(trans, &asoc->peer.transport_addr_list, + transports) + trans->sack_generation = 0; + aptr->peer.sack_generation = 1; + } nodata: return retval; } diff --git a/net/sctp/sm_sideeffect.c b/net/sctp/sm_sideeffect.c index c96d1a81cf4..8716da1a859 100644 --- a/net/sctp/sm_sideeffect.c +++ b/net/sctp/sm_sideeffect.c @@ -1268,7 +1268,7 @@ static int sctp_cmd_interpreter(sctp_event_t event_type, case SCTP_CMD_REPORT_TSN: /* Record the arrival of a TSN. */ error = sctp_tsnmap_mark(&asoc->peer.tsn_map, - cmd->obj.u32); + cmd->obj.u32, NULL); break; case SCTP_CMD_REPORT_FWDTSN: diff --git a/net/sctp/transport.c b/net/sctp/transport.c index b026ba0c699..1dcceb6e0ce 100644 --- a/net/sctp/transport.c +++ b/net/sctp/transport.c @@ -68,6 +68,8 @@ static struct sctp_transport *sctp_transport_init(struct sctp_transport *peer, peer->af_specific = sctp_get_af_specific(addr->sa.sa_family); memset(&peer->saddr, 0, sizeof(union sctp_addr)); + peer->sack_generation = 0; + /* From 6.3.1 RTO Calculation: * * C1) Until an RTT measurement has been made for a packet sent to the diff --git a/net/sctp/tsnmap.c b/net/sctp/tsnmap.c index f1e40cebc98..b5fb7c40902 100644 --- a/net/sctp/tsnmap.c +++ b/net/sctp/tsnmap.c @@ -114,7 +114,8 @@ int sctp_tsnmap_check(const struct sctp_tsnmap *map, __u32 tsn) /* Mark this TSN as seen. */ -int sctp_tsnmap_mark(struct sctp_tsnmap *map, __u32 tsn) +int sctp_tsnmap_mark(struct sctp_tsnmap *map, __u32 tsn, + struct sctp_transport *trans) { u16 gap; @@ -133,6 +134,9 @@ int sctp_tsnmap_mark(struct sctp_tsnmap *map, __u32 tsn) */ map->max_tsn_seen++; map->cumulative_tsn_ack_point++; + if (trans) + trans->sack_generation = + trans->asoc->peer.sack_generation; map->base_tsn++; } else { /* Either we already have a gap, or about to record a gap, so diff --git a/net/sctp/ulpevent.c b/net/sctp/ulpevent.c index 8a84017834c..33d89477619 100644 --- a/net/sctp/ulpevent.c +++ b/net/sctp/ulpevent.c @@ -715,7 +715,8 @@ struct sctp_ulpevent *sctp_ulpevent_make_rcvmsg(struct sctp_association *asoc, * can mark it as received so the tsn_map is updated correctly. */ if (sctp_tsnmap_mark(&asoc->peer.tsn_map, - ntohl(chunk->subh.data_hdr->tsn))) + ntohl(chunk->subh.data_hdr->tsn), + chunk->transport)) goto fail_mark; /* First calculate the padding, so we don't inadvertently diff --git a/net/sctp/ulpqueue.c b/net/sctp/ulpqueue.c index f2d1de7f2ff..f5a6a4f4faf 100644 --- a/net/sctp/ulpqueue.c +++ b/net/sctp/ulpqueue.c @@ -1051,7 +1051,7 @@ void sctp_ulpq_renege(struct sctp_ulpq *ulpq, struct sctp_chunk *chunk, if (chunk && (freed >= needed)) { __u32 tsn; tsn = ntohl(chunk->subh.data_hdr->tsn); - sctp_tsnmap_mark(&asoc->peer.tsn_map, tsn); + sctp_tsnmap_mark(&asoc->peer.tsn_map, tsn, chunk->transport); sctp_ulpq_tail_data(ulpq, chunk, gfp); sctp_ulpq_partial_delivery(ulpq, chunk, gfp); |