diff options
Diffstat (limited to 'include/net')
-rw-r--r-- | include/net/act_api.h | 2 | ||||
-rw-r--r-- | include/net/addrconf.h | 2 | ||||
-rw-r--r-- | include/net/gen_stats.h | 10 | ||||
-rw-r--r-- | include/net/gre.h | 27 | ||||
-rw-r--r-- | include/net/if_inet6.h | 2 | ||||
-rw-r--r-- | include/net/inet_ecn.h | 6 | ||||
-rw-r--r-- | include/net/inet_sock.h | 1 | ||||
-rw-r--r-- | include/net/ip_fib.h | 1 | ||||
-rw-r--r-- | include/net/ip_tunnels.h | 36 | ||||
-rw-r--r-- | include/net/ip_vs.h | 8 | ||||
-rw-r--r-- | include/net/ipv6.h | 10 | ||||
-rw-r--r-- | include/net/ll_poll.h | 150 | ||||
-rw-r--r-- | include/net/ndisc.h | 2 | ||||
-rw-r--r-- | include/net/net_namespace.h | 11 | ||||
-rw-r--r-- | include/net/netfilter/nf_log.h | 3 | ||||
-rw-r--r-- | include/net/netfilter/nfnetlink_log.h | 3 | ||||
-rw-r--r-- | include/net/netfilter/xt_rateest.h | 2 | ||||
-rw-r--r-- | include/net/netns/x_tables.h | 6 | ||||
-rw-r--r-- | include/net/ping.h | 65 | ||||
-rw-r--r-- | include/net/sch_generic.h | 31 | ||||
-rw-r--r-- | include/net/sctp/sctp.h | 11 | ||||
-rw-r--r-- | include/net/sock.h | 33 | ||||
-rw-r--r-- | include/net/tcp.h | 23 | ||||
-rw-r--r-- | include/net/transp_v6.h | 79 | ||||
-rw-r--r-- | include/net/udp.h | 7 | ||||
-rw-r--r-- | include/net/xfrm.h | 5 |
26 files changed, 414 insertions, 122 deletions
diff --git a/include/net/act_api.h b/include/net/act_api.h index 06ef7e926a66..b8ffac7b6bab 100644 --- a/include/net/act_api.h +++ b/include/net/act_api.h @@ -18,7 +18,7 @@ struct tcf_common { struct tcf_t tcfc_tm; struct gnet_stats_basic_packed tcfc_bstats; struct gnet_stats_queue tcfc_qstats; - struct gnet_stats_rate_est tcfc_rate_est; + struct gnet_stats_rate_est64 tcfc_rate_est; spinlock_t tcfc_lock; struct rcu_head tcfc_rcu; }; diff --git a/include/net/addrconf.h b/include/net/addrconf.h index 84a6440f1f19..21f702704f24 100644 --- a/include/net/addrconf.h +++ b/include/net/addrconf.h @@ -65,7 +65,7 @@ extern int addrconf_set_dstaddr(struct net *net, extern int ipv6_chk_addr(struct net *net, const struct in6_addr *addr, - struct net_device *dev, + const struct net_device *dev, int strict); #if defined(CONFIG_IPV6_MIP6) || defined(CONFIG_IPV6_MIP6_MODULE) diff --git a/include/net/gen_stats.h b/include/net/gen_stats.h index a79b6cfb02a8..cf8439ba4d11 100644 --- a/include/net/gen_stats.h +++ b/include/net/gen_stats.h @@ -30,7 +30,7 @@ extern int gnet_stats_copy_basic(struct gnet_dump *d, struct gnet_stats_basic_packed *b); extern int gnet_stats_copy_rate_est(struct gnet_dump *d, const struct gnet_stats_basic_packed *b, - struct gnet_stats_rate_est *r); + struct gnet_stats_rate_est64 *r); extern int gnet_stats_copy_queue(struct gnet_dump *d, struct gnet_stats_queue *q); extern int gnet_stats_copy_app(struct gnet_dump *d, void *st, int len); @@ -38,13 +38,13 @@ extern int gnet_stats_copy_app(struct gnet_dump *d, void *st, int len); extern int gnet_stats_finish_copy(struct gnet_dump *d); extern int gen_new_estimator(struct gnet_stats_basic_packed *bstats, - struct gnet_stats_rate_est *rate_est, + struct gnet_stats_rate_est64 *rate_est, spinlock_t *stats_lock, struct nlattr *opt); extern void gen_kill_estimator(struct gnet_stats_basic_packed *bstats, - struct gnet_stats_rate_est *rate_est); + struct gnet_stats_rate_est64 *rate_est); extern int gen_replace_estimator(struct gnet_stats_basic_packed *bstats, - struct gnet_stats_rate_est *rate_est, + struct gnet_stats_rate_est64 *rate_est, spinlock_t *stats_lock, struct nlattr *opt); extern bool gen_estimator_active(const struct gnet_stats_basic_packed *bstats, - const struct gnet_stats_rate_est *rate_est); + const struct gnet_stats_rate_est64 *rate_est); #endif diff --git a/include/net/gre.h b/include/net/gre.h index 9f03a390c826..a5a4ddf05300 100644 --- a/include/net/gre.h +++ b/include/net/gre.h @@ -7,6 +7,7 @@ #define GREPROTO_CISCO 0 #define GREPROTO_PPTP 1 #define GREPROTO_MAX 2 +#define GRE_IP_PROTO_MAX 2 struct gre_protocol { int (*handler)(struct sk_buff *skb); @@ -22,6 +23,32 @@ struct gre_base_hdr { int gre_add_protocol(const struct gre_protocol *proto, u8 version); int gre_del_protocol(const struct gre_protocol *proto, u8 version); +struct gre_cisco_protocol { + int (*handler)(struct sk_buff *skb, const struct tnl_ptk_info *tpi); + int (*err_handler)(struct sk_buff *skb, u32 info, + const struct tnl_ptk_info *tpi); + u8 priority; +}; + +int gre_cisco_register(struct gre_cisco_protocol *proto); +int gre_cisco_unregister(struct gre_cisco_protocol *proto); +void gre_build_header(struct sk_buff *skb, const struct tnl_ptk_info *tpi, + int hdr_len); +struct sk_buff *gre_handle_offloads(struct sk_buff *skb, bool gre_csum); + +static inline int ip_gre_calc_hlen(__be16 o_flags) +{ + int addend = 4; + + if (o_flags&TUNNEL_CSUM) + addend += 4; + if (o_flags&TUNNEL_KEY) + addend += 4; + if (o_flags&TUNNEL_SEQ) + addend += 4; + return addend; +} + static inline __be16 gre_flags_to_tnl_flags(__be16 flags) { __be16 tflags = 0; diff --git a/include/net/if_inet6.h b/include/net/if_inet6.h index 100fb8cec17c..e07feb456d19 100644 --- a/include/net/if_inet6.h +++ b/include/net/if_inet6.h @@ -74,6 +74,7 @@ struct inet6_ifaddr { bool tokenized; struct rcu_head rcu; + struct in6_addr peer_addr; }; struct ip6_sf_socklist { @@ -192,7 +193,6 @@ struct inet6_dev { struct in6_addr token; struct neigh_parms *nd_parms; - struct inet6_dev *next; struct ipv6_devconf cnf; struct ipv6_devstat stats; unsigned long tstamp; /* ipv6InterfaceTable update timestamp */ diff --git a/include/net/inet_ecn.h b/include/net/inet_ecn.h index aab73757bc4d..3bd22795c3e2 100644 --- a/include/net/inet_ecn.h +++ b/include/net/inet_ecn.h @@ -134,12 +134,14 @@ static inline int INET_ECN_set_ce(struct sk_buff *skb) { switch (skb->protocol) { case cpu_to_be16(ETH_P_IP): - if (skb->network_header + sizeof(struct iphdr) <= skb->tail) + if (skb_network_header(skb) + sizeof(struct iphdr) <= + skb_tail_pointer(skb)) return IP_ECN_set_ce(ip_hdr(skb)); break; case cpu_to_be16(ETH_P_IPV6): - if (skb->network_header + sizeof(struct ipv6hdr) <= skb->tail) + if (skb_network_header(skb) + sizeof(struct ipv6hdr) <= + skb_tail_pointer(skb)) return IP6_ECN_set_ce(ipv6_hdr(skb)); break; } diff --git a/include/net/inet_sock.h b/include/net/inet_sock.h index 7235ae73a1e8..b21a7f06d6a4 100644 --- a/include/net/inet_sock.h +++ b/include/net/inet_sock.h @@ -32,7 +32,6 @@ * * @faddr - Saved first hop address * @nexthop - Saved nexthop address in LSRR and SSRR - * @is_data - Options in __data, rather than skb * @is_strictroute - Strict source route * @srr_is_hit - Packet destination addr was our one * @is_changed - IP checksum more not valid diff --git a/include/net/ip_fib.h b/include/net/ip_fib.h index e49db91593a9..44424e9dab2a 100644 --- a/include/net/ip_fib.h +++ b/include/net/ip_fib.h @@ -51,6 +51,7 @@ struct rtable; struct fib_nh_exception { struct fib_nh_exception __rcu *fnhe_next; + int fnhe_genid; __be32 fnhe_daddr; u32 fnhe_pmtu; __be32 fnhe_gw; diff --git a/include/net/ip_tunnels.h b/include/net/ip_tunnels.h index 4b6f0b28f41f..10bbb4273f7d 100644 --- a/include/net/ip_tunnels.h +++ b/include/net/ip_tunnels.h @@ -73,6 +73,7 @@ struct ip_tunnel { #define TUNNEL_REC __cpu_to_be16(0x20) #define TUNNEL_VERSION __cpu_to_be16(0x40) #define TUNNEL_NO_KEY __cpu_to_be16(0x80) +#define TUNNEL_DONT_FRAGMENT __cpu_to_be16(0x0100) struct tnl_ptk_info { __be16 flags; @@ -95,13 +96,13 @@ struct ip_tunnel_net { int ip_tunnel_init(struct net_device *dev); void ip_tunnel_uninit(struct net_device *dev); void ip_tunnel_dellink(struct net_device *dev, struct list_head *head); -int __net_init ip_tunnel_init_net(struct net *net, int ip_tnl_net_id, - struct rtnl_link_ops *ops, char *devname); +int ip_tunnel_init_net(struct net *net, int ip_tnl_net_id, + struct rtnl_link_ops *ops, char *devname); -void __net_exit ip_tunnel_delete_net(struct ip_tunnel_net *itn); +void ip_tunnel_delete_net(struct ip_tunnel_net *itn); void ip_tunnel_xmit(struct sk_buff *skb, struct net_device *dev, - const struct iphdr *tnl_params); + const struct iphdr *tnl_params, const u8 protocol); int ip_tunnel_ioctl(struct net_device *dev, struct ip_tunnel_parm *p, int cmd); int ip_tunnel_change_mtu(struct net_device *dev, int new_mtu); @@ -155,23 +156,28 @@ static inline void tunnel_ip_select_ident(struct sk_buff *skb, (skb_shinfo(skb)->gso_segs ?: 1) - 1); } -static inline void iptunnel_xmit(struct sk_buff *skb, struct net_device *dev) -{ - int err; - int pkt_len = skb->len - skb_transport_offset(skb); - struct pcpu_tstats *tstats = this_cpu_ptr(dev->tstats); +int iptunnel_pull_header(struct sk_buff *skb, int hdr_len, __be16 inner_proto); +int iptunnel_xmit(struct net *net, struct rtable *rt, + struct sk_buff *skb, + __be32 src, __be32 dst, __u8 proto, + __u8 tos, __u8 ttl, __be16 df); - nf_reset(skb); +static inline void iptunnel_xmit_stats(int err, + struct net_device_stats *err_stats, + struct pcpu_tstats __percpu *stats) +{ + if (err > 0) { + struct pcpu_tstats *tstats = this_cpu_ptr(stats); - err = ip_local_out(skb); - if (likely(net_xmit_eval(err) == 0)) { u64_stats_update_begin(&tstats->syncp); - tstats->tx_bytes += pkt_len; + tstats->tx_bytes += err; tstats->tx_packets++; u64_stats_update_end(&tstats->syncp); + } else if (err < 0) { + err_stats->tx_errors++; + err_stats->tx_aborted_errors++; } else { - dev->stats.tx_errors++; - dev->stats.tx_aborted_errors++; + err_stats->tx_dropped++; } } #endif /* __NET_IP_TUNNELS_H */ diff --git a/include/net/ip_vs.h b/include/net/ip_vs.h index 4c062ccff9aa..4405886980c7 100644 --- a/include/net/ip_vs.h +++ b/include/net/ip_vs.h @@ -905,7 +905,7 @@ struct ip_vs_app { struct ipvs_master_sync_state { struct list_head sync_queue; struct ip_vs_sync_buff *sync_buff; - int sync_queue_len; + unsigned long sync_queue_len; unsigned int sync_queue_delay; struct task_struct *master_thread; struct delayed_work master_wakeup_work; @@ -998,7 +998,7 @@ struct netns_ipvs { int sysctl_snat_reroute; int sysctl_sync_ver; int sysctl_sync_ports; - int sysctl_sync_qlen_max; + unsigned long sysctl_sync_qlen_max; int sysctl_sync_sock_size; int sysctl_cache_bypass; int sysctl_expire_nodest_conn; @@ -1085,7 +1085,7 @@ static inline int sysctl_sync_ports(struct netns_ipvs *ipvs) return ACCESS_ONCE(ipvs->sysctl_sync_ports); } -static inline int sysctl_sync_qlen_max(struct netns_ipvs *ipvs) +static inline unsigned long sysctl_sync_qlen_max(struct netns_ipvs *ipvs) { return ipvs->sysctl_sync_qlen_max; } @@ -1138,7 +1138,7 @@ static inline int sysctl_sync_ports(struct netns_ipvs *ipvs) return 1; } -static inline int sysctl_sync_qlen_max(struct netns_ipvs *ipvs) +static inline unsigned long sysctl_sync_qlen_max(struct netns_ipvs *ipvs) { return IPVS_SYNC_QLEN_MAX; } diff --git a/include/net/ipv6.h b/include/net/ipv6.h index 0810aa57c780..5fe564985171 100644 --- a/include/net/ipv6.h +++ b/include/net/ipv6.h @@ -260,6 +260,12 @@ static inline void fl6_sock_release(struct ip6_flowlabel *fl) extern void icmpv6_notify(struct sk_buff *skb, u8 type, u8 code, __be32 info); +int icmpv6_push_pending_frames(struct sock *sk, struct flowi6 *fl6, + struct icmp6hdr *thdr, int len); + +struct dst_entry *icmpv6_route_lookup(struct net *net, struct sk_buff *skb, + struct sock *sk, struct flowi6 *fl6); + extern int ip6_ra_control(struct sock *sk, int sel); extern int ipv6_parse_hopopts(struct sk_buff *skb); @@ -853,8 +859,8 @@ static inline int snmp6_unregister_dev(struct inet6_dev *idev) { return 0; } #endif #ifdef CONFIG_SYSCTL -extern ctl_table ipv6_route_table_template[]; -extern ctl_table ipv6_icmp_table_template[]; +extern struct ctl_table ipv6_route_table_template[]; +extern struct ctl_table ipv6_icmp_table_template[]; extern struct ctl_table *ipv6_icmp_sysctl_init(struct net *net); extern struct ctl_table *ipv6_route_sysctl_init(struct net *net); diff --git a/include/net/ll_poll.h b/include/net/ll_poll.h new file mode 100644 index 000000000000..fcc7c365cee5 --- /dev/null +++ b/include/net/ll_poll.h @@ -0,0 +1,150 @@ +/* + * Low Latency Sockets + * Copyright(c) 2013 Intel Corporation. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU General Public License, + * version 2, as published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License along with + * this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. + * + * Author: Eliezer Tamir + * + * Contact Information: + * e1000-devel Mailing List <e1000-devel@lists.sourceforge.net> + */ + +#ifndef _LINUX_NET_LL_POLL_H +#define _LINUX_NET_LL_POLL_H + +#include <linux/netdevice.h> +#include <net/ip.h> + +#ifdef CONFIG_NET_LL_RX_POLL + +struct napi_struct; +extern unsigned int sysctl_net_ll_poll __read_mostly; + +/* return values from ndo_ll_poll */ +#define LL_FLUSH_FAILED -1 +#define LL_FLUSH_BUSY -2 + +/* we can use sched_clock() because we don't care much about precision + * we only care that the average is bounded + */ +static inline u64 ll_end_time(struct sock *sk) +{ + u64 end_time = ACCESS_ONCE(sk->sk_ll_usec); + + /* we don't mind a ~2.5% imprecision + * sk->sk_ll_usec is a u_int so this can't overflow + */ + end_time = (end_time << 10) + sched_clock(); + + return end_time; +} + +static inline bool sk_valid_ll(struct sock *sk) +{ + return sk->sk_ll_usec && sk->sk_napi_id && + !need_resched() && !signal_pending(current); +} + +static inline bool can_poll_ll(u64 end_time) +{ + return !time_after64(sched_clock(), end_time); +} + +static inline bool sk_poll_ll(struct sock *sk, int nonblock) +{ + const struct net_device_ops *ops; + u64 end_time = ll_end_time(sk); + struct napi_struct *napi; + int rc = false; + + /* + * rcu read lock for napi hash + * bh so we don't race with net_rx_action + */ + rcu_read_lock_bh(); + + napi = napi_by_id(sk->sk_napi_id); + if (!napi) + goto out; + + ops = napi->dev->netdev_ops; + if (!ops->ndo_ll_poll) + goto out; + + do { + + rc = ops->ndo_ll_poll(napi); + + if (rc == LL_FLUSH_FAILED) + break; /* permanent failure */ + + if (rc > 0) + /* local bh are disabled so it is ok to use _BH */ + NET_ADD_STATS_BH(sock_net(sk), + LINUX_MIB_LOWLATENCYRXPACKETS, rc); + + } while (skb_queue_empty(&sk->sk_receive_queue) + && can_poll_ll(end_time) && !nonblock); + + rc = !skb_queue_empty(&sk->sk_receive_queue); +out: + rcu_read_unlock_bh(); + return rc; +} + +/* used in the NIC receive handler to mark the skb */ +static inline void skb_mark_ll(struct sk_buff *skb, struct napi_struct *napi) +{ + skb->napi_id = napi->napi_id; +} + +/* used in the protocol hanlder to propagate the napi_id to the socket */ +static inline void sk_mark_ll(struct sock *sk, struct sk_buff *skb) +{ + sk->sk_napi_id = skb->napi_id; +} + +#else /* CONFIG_NET_LL_RX_POLL */ + +static inline u64 ll_end_time(struct sock *sk) +{ + return 0; +} + +static inline bool sk_valid_ll(struct sock *sk) +{ + return false; +} + +static inline bool sk_poll_ll(struct sock *sk, int nonblock) +{ + return false; +} + +static inline void skb_mark_ll(struct sk_buff *skb, struct napi_struct *napi) +{ +} + +static inline void sk_mark_ll(struct sock *sk, struct sk_buff *skb) +{ +} + +static inline bool can_poll_ll(u64 end_time) +{ + return false; +} + +#endif /* CONFIG_NET_LL_RX_POLL */ +#endif /* _LINUX_NET_LL_POLL_H */ diff --git a/include/net/ndisc.h b/include/net/ndisc.h index 745bf741e029..949d77528f2f 100644 --- a/include/net/ndisc.h +++ b/include/net/ndisc.h @@ -230,7 +230,7 @@ extern int ndisc_ifinfo_sysctl_change(struct ctl_table *ctl, void __user *buffer, size_t *lenp, loff_t *ppos); -int ndisc_ifinfo_sysctl_strategy(ctl_table *ctl, +int ndisc_ifinfo_sysctl_strategy(struct ctl_table *ctl, void __user *oldval, size_t __user *oldlenp, void __user *newval, size_t newlen); #endif diff --git a/include/net/net_namespace.h b/include/net/net_namespace.h index b17697827482..495bc57f292c 100644 --- a/include/net/net_namespace.h +++ b/include/net/net_namespace.h @@ -118,6 +118,7 @@ struct net { struct netns_ipvs *ipvs; struct sock *diag_nlsk; atomic_t rt_genid; + atomic_t fnhe_genid; }; /* @@ -340,4 +341,14 @@ static inline void rt_genid_bump(struct net *net) atomic_inc(&net->rt_genid); } +static inline int fnhe_genid(struct net *net) +{ + return atomic_read(&net->fnhe_genid); +} + +static inline void fnhe_genid_bump(struct net *net) +{ + atomic_inc(&net->fnhe_genid); +} + #endif /* __NET_NET_NAMESPACE_H */ diff --git a/include/net/netfilter/nf_log.h b/include/net/netfilter/nf_log.h index 31f1fb9eb784..99eac12d040b 100644 --- a/include/net/netfilter/nf_log.h +++ b/include/net/netfilter/nf_log.h @@ -30,7 +30,8 @@ struct nf_loginfo { } u; }; -typedef void nf_logfn(u_int8_t pf, +typedef void nf_logfn(struct net *net, + u_int8_t pf, unsigned int hooknum, const struct sk_buff *skb, const struct net_device *in, diff --git a/include/net/netfilter/nfnetlink_log.h b/include/net/netfilter/nfnetlink_log.h index e2dec42c2db2..5ca3f14f0998 100644 --- a/include/net/netfilter/nfnetlink_log.h +++ b/include/net/netfilter/nfnetlink_log.h @@ -2,7 +2,8 @@ #define _KER_NFNETLINK_LOG_H void -nfulnl_log_packet(u_int8_t pf, +nfulnl_log_packet(struct net *net, + u_int8_t pf, unsigned int hooknum, const struct sk_buff *skb, const struct net_device *in, diff --git a/include/net/netfilter/xt_rateest.h b/include/net/netfilter/xt_rateest.h index 5a2978d1cb22..495c71f66e7e 100644 --- a/include/net/netfilter/xt_rateest.h +++ b/include/net/netfilter/xt_rateest.h @@ -6,7 +6,7 @@ struct xt_rateest { struct gnet_stats_basic_packed bstats; spinlock_t lock; /* keep rstats and lock on same cache line to speedup xt_rateest_mt() */ - struct gnet_stats_rate_est rstats; + struct gnet_stats_rate_est64 rstats; /* following fields not accessed in hot path */ struct hlist_node list; diff --git a/include/net/netns/x_tables.h b/include/net/netns/x_tables.h index c24060ee411e..02fe40f8c8fd 100644 --- a/include/net/netns/x_tables.h +++ b/include/net/netns/x_tables.h @@ -15,5 +15,11 @@ struct netns_xt { struct ebt_table *frame_filter; struct ebt_table *frame_nat; #endif +#if IS_ENABLED(CONFIG_IP_NF_TARGET_ULOG) + bool ulog_warn_deprecated; +#endif +#if IS_ENABLED(CONFIG_BRIDGE_EBT_ULOG) + bool ebt_ulog_warn_deprecated; +#endif }; #endif diff --git a/include/net/ping.h b/include/net/ping.h index 682b5ae9af51..5db0224b73ac 100644 --- a/include/net/ping.h +++ b/include/net/ping.h @@ -13,6 +13,7 @@ #ifndef _PING_H #define _PING_H +#include <net/icmp.h> #include <net/netns/hash.h> /* PING_HTABLE_SIZE must be power of 2 */ @@ -28,6 +29,18 @@ */ #define GID_T_MAX (((gid_t)~0U) >> 1) +/* Compatibility glue so we can support IPv6 when it's compiled as a module */ +struct pingv6_ops { + int (*ipv6_recv_error)(struct sock *sk, struct msghdr *msg, int len); + int (*ip6_datagram_recv_ctl)(struct sock *sk, struct msghdr *msg, + struct sk_buff *skb); + int (*icmpv6_err_convert)(u8 type, u8 code, int *err); + void (*ipv6_icmp_error)(struct sock *sk, struct sk_buff *skb, int err, + __be16 port, u32 info, u8 *payload); + int (*ipv6_chk_addr)(struct net *net, const struct in6_addr *addr, + const struct net_device *dev, int strict); +}; + struct ping_table { struct hlist_nulls_head hash[PING_HTABLE_SIZE]; rwlock_t lock; @@ -36,20 +49,66 @@ struct ping_table { struct ping_iter_state { struct seq_net_private p; int bucket; + sa_family_t family; }; extern struct proto ping_prot; +extern struct ping_table ping_table; +#if IS_ENABLED(CONFIG_IPV6) +extern struct pingv6_ops pingv6_ops; +#endif + +struct pingfakehdr { + struct icmphdr icmph; + struct iovec *iov; + sa_family_t family; + __wsum wcheck; +}; + +int ping_get_port(struct sock *sk, unsigned short ident); +void ping_hash(struct sock *sk); +void ping_unhash(struct sock *sk); +int ping_init_sock(struct sock *sk); +void ping_close(struct sock *sk, long timeout); +int ping_bind(struct sock *sk, struct sockaddr *uaddr, int addr_len); +void ping_err(struct sk_buff *skb, int offset, u32 info); +int ping_getfrag(void *from, char *to, int offset, int fraglen, int odd, + struct sk_buff *); -extern void ping_rcv(struct sk_buff *); -extern void ping_err(struct sk_buff *, u32 info); +int ping_recvmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg, + size_t len, int noblock, int flags, int *addr_len); +int ping_common_sendmsg(int family, struct msghdr *msg, size_t len, + void *user_icmph, size_t icmph_len); +int ping_v4_sendmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg, + size_t len); +int ping_v6_sendmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg, + size_t len); +int ping_queue_rcv_skb(struct sock *sk, struct sk_buff *skb); +void ping_rcv(struct sk_buff *skb); #ifdef CONFIG_PROC_FS +struct ping_seq_afinfo { + char *name; + sa_family_t family; + const struct file_operations *seq_fops; + const struct seq_operations seq_ops; +}; + +extern const struct file_operations ping_seq_fops; + +void *ping_seq_start(struct seq_file *seq, loff_t *pos, sa_family_t family); +void *ping_seq_next(struct seq_file *seq, void *v, loff_t *pos); +void ping_seq_stop(struct seq_file *seq, void *v); +int ping_proc_register(struct net *net, struct ping_seq_afinfo *afinfo); +void ping_proc_unregister(struct net *net, struct ping_seq_afinfo *afinfo); + extern int __init ping_proc_init(void); extern void ping_proc_exit(void); #endif void __init ping_init(void); - +int __init pingv6_init(void); +void pingv6_exit(void); #endif /* _PING_H */ diff --git a/include/net/sch_generic.h b/include/net/sch_generic.h index f10818fc8804..6eab63363e59 100644 --- a/include/net/sch_generic.h +++ b/include/net/sch_generic.h @@ -58,14 +58,12 @@ struct Qdisc { * multiqueue device. */ #define TCQ_F_WARN_NONWC (1 << 16) - int padded; + u32 limit; const struct Qdisc_ops *ops; struct qdisc_size_table __rcu *stab; struct list_head list; u32 handle; u32 parent; - atomic_t refcnt; - struct gnet_stats_rate_est rate_est; int (*reshape_fail)(struct sk_buff *skb, struct Qdisc *q); @@ -76,8 +74,9 @@ struct Qdisc { */ struct Qdisc *__parent; struct netdev_queue *dev_queue; - struct Qdisc *next_sched; + struct gnet_stats_rate_est64 rate_est; + struct Qdisc *next_sched; struct sk_buff *gso_skb; /* * For performance sake on SMP, we put highly modified fields at the end @@ -88,8 +87,10 @@ struct Qdisc { unsigned int __state; struct gnet_stats_queue qstats; struct rcu_head rcu_head; - spinlock_t busylock; - u32 limit; + int padded; + atomic_t refcnt; + + spinlock_t busylock ____cacheline_aligned_in_smp; }; static inline bool qdisc_is_running(const struct Qdisc *qdisc) @@ -679,22 +680,26 @@ static inline struct sk_buff *skb_act_clone(struct sk_buff *skb, gfp_t gfp_mask, #endif struct psched_ratecfg { - u64 rate_bps; - u32 mult; - u32 shift; + u64 rate_bytes_ps; /* bytes per second */ + u32 mult; + u16 overhead; + u8 shift; }; static inline u64 psched_l2t_ns(const struct psched_ratecfg *r, unsigned int len) { - return ((u64)len * r->mult) >> r->shift; + return ((u64)(len + r->overhead) * r->mult) >> r->shift; } -extern void psched_ratecfg_precompute(struct psched_ratecfg *r, u32 rate); +extern void psched_ratecfg_precompute(struct psched_ratecfg *r, const struct tc_ratespec *conf); -static inline u32 psched_ratecfg_getrate(const struct psched_ratecfg *r) +static inline void psched_ratecfg_getrate(struct tc_ratespec *res, + const struct psched_ratecfg *r) { - return r->rate_bps >> 3; + memset(res, 0, sizeof(*res)); + res->rate = r->rate_bytes_ps; + res->overhead = r->overhead; } #endif diff --git a/include/net/sctp/sctp.h b/include/net/sctp/sctp.h index cd89510eab2a..6321c081118f 100644 --- a/include/net/sctp/sctp.h +++ b/include/net/sctp/sctp.h @@ -99,14 +99,6 @@ #define SCTP_PROTOSW_FLAG INET_PROTOSW_PERMANENT #endif - -/* Certain internal static functions need to be exported when - * compiled into the test frame. - */ -#ifndef SCTP_STATIC -#define SCTP_STATIC static -#endif - /* * Function declarations. */ @@ -575,9 +567,6 @@ for (pos = chunk->subh.fwdtsn_hdr->skip;\ /* Round an int up to the next multiple of 4. */ #define WORD_ROUND(s) (((s)+3)&~3) -/* Make a new instance of type. */ -#define t_new(type, flags) kzalloc(sizeof(type), flags) - /* Compare two timevals. */ #define tv_lt(s, t) \ (s.tv_sec < t.tv_sec || (s.tv_sec == t.tv_sec && s.tv_usec < t.tv_usec)) diff --git a/include/net/sock.h b/include/net/sock.h index 5c97b0fc5623..ea6206ccc896 100644 --- a/include/net/sock.h +++ b/include/net/sock.h @@ -229,6 +229,8 @@ struct cg_proto; * @sk_omem_alloc: "o" is "option" or "other" * @sk_wmem_queued: persistent queue size * @sk_forward_alloc: space allocated forward + * @sk_napi_id: id of the last napi context to receive data for sk + * @sk_ll_usec: usecs to busypoll when there is no data * @sk_allocation: allocation mode * @sk_sndbuf: size of send buffer in bytes * @sk_flags: %SO_LINGER (l_onoff), %SO_BROADCAST, %SO_KEEPALIVE, @@ -325,6 +327,10 @@ struct sock { #ifdef CONFIG_RPS __u32 sk_rxhash; #endif +#ifdef CONFIG_NET_LL_RX_POLL + unsigned int sk_napi_id; + unsigned int sk_ll_usec; +#endif atomic_t sk_drops; int sk_rcvbuf; @@ -866,6 +872,18 @@ struct inet_hashinfo; struct raw_hashinfo; struct module; +/* + * caches using SLAB_DESTROY_BY_RCU should let .next pointer from nulls nodes + * un-modified. Special care is taken when initializing object to zero. + */ +static inline void sk_prot_clear_nulls(struct sock *sk, int size) +{ + if (offsetof(struct sock, sk_node.next) != 0) + memset(sk, 0, offsetof(struct sock, sk_node.next)); + memset(&sk->sk_node.pprev, 0, + size - offsetof(struct sock, sk_node.pprev)); +} + /* Networking protocol blocks we attach to sockets. * socket layer -> transport layer interface * transport -> network interface is defined by struct inet_proto @@ -2029,18 +2047,21 @@ static inline void sk_wake_async(struct sock *sk, int how, int band) sock_wake_async(sk->sk_socket, how, band); } -#define SOCK_MIN_SNDBUF 2048 -/* - * Since sk_rmem_alloc sums skb->truesize, even a small frame might need - * sizeof(sk_buff) + MTU + padding, unless net driver perform copybreak +/* Since sk_{r,w}mem_alloc sums skb->truesize, even a small frame might + * need sizeof(sk_buff) + MTU + padding, unless net driver perform copybreak. + * Note: for send buffers, TCP works better if we can build two skbs at + * minimum. */ -#define SOCK_MIN_RCVBUF (2048 + sizeof(struct sk_buff)) +#define TCP_SKB_MIN_TRUESIZE (2048 + sizeof(struct sk_buff)) + +#define SOCK_MIN_SNDBUF (TCP_SKB_MIN_TRUESIZE * 2) +#define SOCK_MIN_RCVBUF TCP_SKB_MIN_TRUESIZE static inline void sk_stream_moderate_sndbuf(struct sock *sk) { if (!(sk->sk_userlocks & SOCK_SNDBUF_LOCK)) { sk->sk_sndbuf = min(sk->sk_sndbuf, sk->sk_wmem_queued >> 1); - sk->sk_sndbuf = max(sk->sk_sndbuf, SOCK_MIN_SNDBUF); + sk->sk_sndbuf = max_t(u32, sk->sk_sndbuf, SOCK_MIN_SNDBUF); } } diff --git a/include/net/tcp.h b/include/net/tcp.h index 5bba80fbd1d9..6fa80831dc40 100644 --- a/include/net/tcp.h +++ b/include/net/tcp.h @@ -61,9 +61,6 @@ extern void tcp_time_wait(struct sock *sk, int state, int timeo); */ #define MAX_TCP_WINDOW 32767U -/* Offer an initial receive window of 10 mss. */ -#define TCP_DEFAULT_INIT_RCVWND 10 - /* Minimal accepted MSS. It is (60+60+8) - (20+20). */ #define TCP_MIN_MSS 88U @@ -1047,6 +1044,8 @@ static inline void tcp_sack_reset(struct tcp_options_received *rx_opt) rx_opt->num_sacks = 0; } +extern u32 tcp_default_init_rwnd(u32 mss); + /* Determine a window scaling and initial window to offer. */ extern void tcp_select_initial_window(int __space, __u32 mss, __u32 *rcv_wnd, __u32 *window_clamp, @@ -1193,7 +1192,6 @@ static inline void tcp_mib_init(struct net *net) static inline void tcp_clear_retrans_hints_partial(struct tcp_sock *tp) { tp->lost_skb_hint = NULL; - tp->scoreboard_skb_hint = NULL; } static inline void tcp_clear_all_retrans_hints(struct tcp_sock *tp) @@ -1284,11 +1282,13 @@ static inline struct tcp_md5sig_key *tcp_md5_do_lookup(struct sock *sk, #define tcp_twsk_md5_key(twsk) NULL #endif -extern struct tcp_md5sig_pool __percpu *tcp_alloc_md5sig_pool(struct sock *); -extern void tcp_free_md5sig_pool(void); +extern bool tcp_alloc_md5sig_pool(void); extern struct tcp_md5sig_pool *tcp_get_md5sig_pool(void); -extern void tcp_put_md5sig_pool(void); +static inline void tcp_put_md5sig_pool(void) +{ + local_bh_enable(); +} extern int tcp_md5_hash_header(struct tcp_md5sig_pool *, const struct tcphdr *); extern int tcp_md5_hash_skb_data(struct tcp_md5sig_pool *, const struct sk_buff *, @@ -1540,15 +1540,14 @@ extern struct request_sock_ops tcp6_request_sock_ops; extern void tcp_v4_destroy_sock(struct sock *sk); -extern int tcp_v4_gso_send_check(struct sk_buff *skb); extern struct sk_buff *tcp_tso_segment(struct sk_buff *skb, netdev_features_t features); extern struct sk_buff **tcp_gro_receive(struct sk_buff **head, struct sk_buff *skb); -extern struct sk_buff **tcp4_gro_receive(struct sk_buff **head, - struct sk_buff *skb); extern int tcp_gro_complete(struct sk_buff *skb); -extern int tcp4_gro_complete(struct sk_buff *skb); + +extern void __tcp_v4_send_check(struct sk_buff *skb, __be32 saddr, + __be32 daddr); #ifdef CONFIG_PROC_FS extern int tcp4_proc_init(void); @@ -1583,6 +1582,8 @@ struct tcp_request_sock_ops { #endif }; +extern int tcpv4_offload_init(void); + extern void tcp_v4_init(void); extern void tcp_init(void); diff --git a/include/net/transp_v6.h b/include/net/transp_v6.h index 938b7fd11204..48660e50ae90 100644 --- a/include/net/transp_v6.h +++ b/include/net/transp_v6.h @@ -3,56 +3,57 @@ #include <net/checksum.h> -/* - * IPv6 transport protocols - */ - +/* IPv6 transport protocols */ extern struct proto rawv6_prot; extern struct proto udpv6_prot; extern struct proto udplitev6_prot; extern struct proto tcpv6_prot; +extern struct proto pingv6_prot; struct flowi6; /* extension headers */ -extern int ipv6_exthdrs_init(void); -extern void ipv6_exthdrs_exit(void); -extern int ipv6_frag_init(void); -extern void ipv6_frag_exit(void); +int ipv6_exthdrs_init(void); +void ipv6_exthdrs_exit(void); +int ipv6_frag_init(void); +void ipv6_frag_exit(void); /* transport protocols */ -extern int rawv6_init(void); -extern void rawv6_exit(void); -extern int udpv6_init(void); -extern void udpv6_exit(void); -extern int udplitev6_init(void); -extern void udplitev6_exit(void); -extern int tcpv6_init(void); -extern void tcpv6_exit(void); - -extern int udpv6_connect(struct sock *sk, - struct sockaddr *uaddr, - int addr_len); - -extern int ip6_datagram_recv_ctl(struct sock *sk, - struct msghdr *msg, - struct sk_buff *skb); - -extern int ip6_datagram_send_ctl(struct net *net, - struct sock *sk, - struct msghdr *msg, - struct flowi6 *fl6, - struct ipv6_txoptions *opt, - int *hlimit, int *tclass, - int *dontfrag); - -#define LOOPBACK4_IPV6 cpu_to_be32(0x7f000006) - -/* - * address family specific functions - */ +int pingv6_init(void); +void pingv6_exit(void); +int rawv6_init(void); +void rawv6_exit(void); +int udpv6_init(void); +void udpv6_exit(void); +int udplitev6_init(void); +void udplitev6_exit(void); +int tcpv6_init(void); +void tcpv6_exit(void); + +int udpv6_connect(struct sock *sk, struct sockaddr *uaddr, int addr_len); + +int ip6_datagram_recv_ctl(struct sock *sk, struct msghdr *msg, + struct sk_buff *skb); + +int ip6_datagram_send_ctl(struct net *net, struct sock *sk, struct msghdr *msg, + struct flowi6 *fl6, struct ipv6_txoptions *opt, + int *hlimit, int *tclass, int *dontfrag); + +void ip6_dgram_sock_seq_show(struct seq_file *seq, struct sock *sp, + __u16 srcp, __u16 destp, int bucket); + +#define LOOPBACK4_IPV6 cpu_to_be32(0x7f000006) + +/* address family specific functions */ extern const struct inet_connection_sock_af_ops ipv4_specific; -extern void inet6_destroy_sock(struct sock *sk); +void inet6_destroy_sock(struct sock *sk); + +#define IPV6_SEQ_DGRAM_HEADER \ + " sl " \ + "local_address " \ + "remote_address " \ + "st tx_queue rx_queue tr tm->when retrnsmt" \ + " uid timeout inode ref pointer drops\n" #endif diff --git a/include/net/udp.h b/include/net/udp.h index 065f379c6503..b30a71a51839 100644 --- a/include/net/udp.h +++ b/include/net/udp.h @@ -187,6 +187,8 @@ extern int udp_ioctl(struct sock *sk, int cmd, unsigned long arg); extern int udp_disconnect(struct sock *sk, int flags); extern unsigned int udp_poll(struct file *file, struct socket *sock, poll_table *wait); +extern struct sk_buff *skb_udp_tunnel_segment(struct sk_buff *skb, + netdev_features_t features); extern int udp_lib_getsockopt(struct sock *sk, int level, int optname, char __user *optval, int __user *optlen); extern int udp_lib_setsockopt(struct sock *sk, int level, int optname, @@ -262,11 +264,10 @@ extern int udp4_proc_init(void); extern void udp4_proc_exit(void); #endif +extern int udpv4_offload_init(void); + extern void udp_init(void); -extern int udp4_ufo_send_check(struct sk_buff *skb); -extern struct sk_buff *udp4_ufo_fragment(struct sk_buff *skb, - netdev_features_t features); extern void udp_encap_enable(void); #if IS_ENABLED(CONFIG_IPV6) extern void udpv6_encap_enable(void); diff --git a/include/net/xfrm.h b/include/net/xfrm.h index ae16531d0d35..94ce082b29dc 100644 --- a/include/net/xfrm.h +++ b/include/net/xfrm.h @@ -1160,6 +1160,8 @@ static inline void xfrm_sk_free_policy(struct sock *sk) } } +extern void xfrm_garbage_collect(struct net *net); + #else static inline void xfrm_sk_free_policy(struct sock *sk) {} @@ -1194,6 +1196,9 @@ static inline int xfrm6_policy_check_reverse(struct sock *sk, int dir, { return 1; } +static inline void xfrm_garbage_collect(struct net *net) +{ +} #endif static __inline__ |