diff options
Diffstat (limited to 'include/net')
36 files changed, 224 insertions, 1074 deletions
diff --git a/include/net/addrconf.h b/include/net/addrconf.h index db2a87981dd4..9583d3bbab03 100644 --- a/include/net/addrconf.h +++ b/include/net/addrconf.h @@ -341,6 +341,22 @@ static inline struct inet6_dev *__in6_dev_get(const struct net_device *dev) } /** + * __in6_dev_stats_get - get inet6_dev pointer for stats + * @dev: network device + * @skb: skb for original incoming interface if neeeded + * + * Caller must hold rcu_read_lock or RTNL, because this function + * does not take a reference on the inet6_dev. + */ +static inline struct inet6_dev *__in6_dev_stats_get(const struct net_device *dev, + const struct sk_buff *skb) +{ + if (netif_is_l3_master(dev)) + dev = dev_get_by_index_rcu(dev_net(dev), inet6_iif(skb)); + return __in6_dev_get(dev); +} + +/** * __in6_dev_get_safely - get inet6_dev pointer from netdevice * @dev: network device * diff --git a/include/net/bluetooth/hci_core.h b/include/net/bluetooth/hci_core.h index 464a78200a31..878e7e92d8ef 100644 --- a/include/net/bluetooth/hci_core.h +++ b/include/net/bluetooth/hci_core.h @@ -209,7 +209,7 @@ struct hci_dev { struct list_head list; struct mutex lock; - char name[8]; + const char *name; unsigned long flags; __u16 id; __u8 bus; @@ -659,7 +659,6 @@ void hci_inquiry_cache_flush(struct hci_dev *hdev); /* ----- HCI Connections ----- */ enum { HCI_CONN_AUTH_PEND, - HCI_CONN_REAUTH_PEND, HCI_CONN_ENCRYPT_PEND, HCI_CONN_RSWITCH_PEND, HCI_CONN_MODE_CHANGE_PEND, diff --git a/include/net/bonding.h b/include/net/bonding.h index c458f084f7bb..7d317434e3d1 100644 --- a/include/net/bonding.h +++ b/include/net/bonding.h @@ -675,37 +675,14 @@ static inline struct slave *bond_slave_has_mac(struct bonding *bond, } /* Caller must hold rcu_read_lock() for read */ -static inline struct slave *bond_slave_has_mac_rcu(struct bonding *bond, - const u8 *mac) +static inline bool bond_slave_has_mac_rcu(struct bonding *bond, const u8 *mac) { struct list_head *iter; struct slave *tmp; bond_for_each_slave_rcu(bond, tmp, iter) if (ether_addr_equal_64bits(mac, tmp->dev->dev_addr)) - return tmp; - - return NULL; -} - -/* Caller must hold rcu_read_lock() for read */ -static inline bool bond_slave_has_mac_rx(struct bonding *bond, const u8 *mac) -{ - struct list_head *iter; - struct slave *tmp; - struct netdev_hw_addr *ha; - - bond_for_each_slave_rcu(bond, tmp, iter) - if (ether_addr_equal_64bits(mac, tmp->dev->dev_addr)) return true; - - if (netdev_uc_empty(bond->dev)) - return false; - - netdev_for_each_uc_addr(ha, bond->dev) - if (ether_addr_equal_64bits(mac, ha->addr)) - return true; - return false; } diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h index b96debd18e14..157b74fab898 100644 --- a/include/net/cfg80211.h +++ b/include/net/cfg80211.h @@ -370,6 +370,9 @@ ieee80211_get_sband_iftype_data(const struct ieee80211_supported_band *sband, if (WARN_ON(iftype >= NL80211_IFTYPE_MAX)) return NULL; + if (iftype == NL80211_IFTYPE_AP_VLAN) + iftype = NL80211_IFTYPE_AP; + for (i = 0; i < sband->n_iftype_data; i++) { const struct ieee80211_sband_iftype_data *data = &sband->iftype_data[i]; diff --git a/include/net/dn.h b/include/net/dn.h deleted file mode 100644 index 56ab0726c641..000000000000 --- a/include/net/dn.h +++ /dev/null @@ -1,231 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -#ifndef _NET_DN_H -#define _NET_DN_H - -#include <linux/dn.h> -#include <net/sock.h> -#include <net/flow.h> -#include <asm/byteorder.h> -#include <asm/unaligned.h> - -struct dn_scp /* Session Control Port */ -{ - unsigned char state; -#define DN_O 1 /* Open */ -#define DN_CR 2 /* Connect Receive */ -#define DN_DR 3 /* Disconnect Reject */ -#define DN_DRC 4 /* Discon. Rej. Complete*/ -#define DN_CC 5 /* Connect Confirm */ -#define DN_CI 6 /* Connect Initiate */ -#define DN_NR 7 /* No resources */ -#define DN_NC 8 /* No communication */ -#define DN_CD 9 /* Connect Delivery */ -#define DN_RJ 10 /* Rejected */ -#define DN_RUN 11 /* Running */ -#define DN_DI 12 /* Disconnect Initiate */ -#define DN_DIC 13 /* Disconnect Complete */ -#define DN_DN 14 /* Disconnect Notificat */ -#define DN_CL 15 /* Closed */ -#define DN_CN 16 /* Closed Notification */ - - __le16 addrloc; - __le16 addrrem; - __u16 numdat; - __u16 numoth; - __u16 numoth_rcv; - __u16 numdat_rcv; - __u16 ackxmt_dat; - __u16 ackxmt_oth; - __u16 ackrcv_dat; - __u16 ackrcv_oth; - __u8 flowrem_sw; - __u8 flowloc_sw; -#define DN_SEND 2 -#define DN_DONTSEND 1 -#define DN_NOCHANGE 0 - __u16 flowrem_dat; - __u16 flowrem_oth; - __u16 flowloc_dat; - __u16 flowloc_oth; - __u8 services_rem; - __u8 services_loc; - __u8 info_rem; - __u8 info_loc; - - __u16 segsize_rem; - __u16 segsize_loc; - - __u8 nonagle; - __u8 multi_ireq; - __u8 accept_mode; - unsigned long seg_total; /* Running total of current segment */ - - struct optdata_dn conndata_in; - struct optdata_dn conndata_out; - struct optdata_dn discdata_in; - struct optdata_dn discdata_out; - struct accessdata_dn accessdata; - - struct sockaddr_dn addr; /* Local address */ - struct sockaddr_dn peer; /* Remote address */ - - /* - * In this case the RTT estimation is not specified in the - * docs, nor is any back off algorithm. Here we follow well - * known tcp algorithms with a few small variations. - * - * snd_window: Max number of packets we send before we wait for - * an ack to come back. This will become part of a - * more complicated scheme when we support flow - * control. - * - * nsp_srtt: Round-Trip-Time (x8) in jiffies. This is a rolling - * average. - * nsp_rttvar: Round-Trip-Time-Varience (x4) in jiffies. This is the - * varience of the smoothed average (but calculated in - * a simpler way than for normal statistical varience - * calculations). - * - * nsp_rxtshift: Backoff counter. Value is zero normally, each time - * a packet is lost is increases by one until an ack - * is received. Its used to index an array of backoff - * multipliers. - */ -#define NSP_MIN_WINDOW 1 -#define NSP_MAX_WINDOW (0x07fe) - unsigned long max_window; - unsigned long snd_window; -#define NSP_INITIAL_SRTT (HZ) - unsigned long nsp_srtt; -#define NSP_INITIAL_RTTVAR (HZ*3) - unsigned long nsp_rttvar; -#define NSP_MAXRXTSHIFT 12 - unsigned long nsp_rxtshift; - - /* - * Output queues, one for data, one for otherdata/linkservice - */ - struct sk_buff_head data_xmit_queue; - struct sk_buff_head other_xmit_queue; - - /* - * Input queue for other data - */ - struct sk_buff_head other_receive_queue; - int other_report; - - /* - * Stuff to do with the slow timer - */ - unsigned long stamp; /* time of last transmit */ - unsigned long persist; - int (*persist_fxn)(struct sock *sk); - unsigned long keepalive; - void (*keepalive_fxn)(struct sock *sk); - -}; - -static inline struct dn_scp *DN_SK(struct sock *sk) -{ - return (struct dn_scp *)(sk + 1); -} - -/* - * src,dst : Source and Destination DECnet addresses - * hops : Number of hops through the network - * dst_port, src_port : NSP port numbers - * services, info : Useful data extracted from conninit messages - * rt_flags : Routing flags byte - * nsp_flags : NSP layer flags byte - * segsize : Size of segment - * segnum : Number, for data, otherdata and linkservice - * xmit_count : Number of times we've transmitted this skb - * stamp : Time stamp of most recent transmission, used in RTT calculations - * iif: Input interface number - * - * As a general policy, this structure keeps all addresses in network - * byte order, and all else in host byte order. Thus dst, src, dst_port - * and src_port are in network order. All else is in host order. - * - */ -#define DN_SKB_CB(skb) ((struct dn_skb_cb *)(skb)->cb) -struct dn_skb_cb { - __le16 dst; - __le16 src; - __u16 hops; - __le16 dst_port; - __le16 src_port; - __u8 services; - __u8 info; - __u8 rt_flags; - __u8 nsp_flags; - __u16 segsize; - __u16 segnum; - __u16 xmit_count; - unsigned long stamp; - int iif; -}; - -static inline __le16 dn_eth2dn(unsigned char *ethaddr) -{ - return get_unaligned((__le16 *)(ethaddr + 4)); -} - -static inline __le16 dn_saddr2dn(struct sockaddr_dn *saddr) -{ - return *(__le16 *)saddr->sdn_nodeaddr; -} - -static inline void dn_dn2eth(unsigned char *ethaddr, __le16 addr) -{ - __u16 a = le16_to_cpu(addr); - ethaddr[0] = 0xAA; - ethaddr[1] = 0x00; - ethaddr[2] = 0x04; - ethaddr[3] = 0x00; - ethaddr[4] = (__u8)(a & 0xff); - ethaddr[5] = (__u8)(a >> 8); -} - -static inline void dn_sk_ports_copy(struct flowidn *fld, struct dn_scp *scp) -{ - fld->fld_sport = scp->addrloc; - fld->fld_dport = scp->addrrem; -} - -unsigned int dn_mss_from_pmtu(struct net_device *dev, int mtu); -void dn_register_sysctl(void); -void dn_unregister_sysctl(void); - -#define DN_MENUVER_ACC 0x01 -#define DN_MENUVER_USR 0x02 -#define DN_MENUVER_PRX 0x04 -#define DN_MENUVER_UIC 0x08 - -struct sock *dn_sklist_find_listener(struct sockaddr_dn *addr); -struct sock *dn_find_by_skb(struct sk_buff *skb); -#define DN_ASCBUF_LEN 9 -char *dn_addr2asc(__u16, char *); -int dn_destroy_timer(struct sock *sk); - -int dn_sockaddr2username(struct sockaddr_dn *addr, unsigned char *buf, - unsigned char type); -int dn_username2sockaddr(unsigned char *data, int len, struct sockaddr_dn *addr, - unsigned char *type); - -void dn_start_slow_timer(struct sock *sk); -void dn_stop_slow_timer(struct sock *sk); - -extern __le16 decnet_address; -extern int decnet_debug_level; -extern int decnet_time_wait; -extern int decnet_dn_count; -extern int decnet_di_count; -extern int decnet_dr_count; -extern int decnet_no_fc_max_cwnd; - -extern long sysctl_decnet_mem[3]; -extern int sysctl_decnet_wmem[3]; -extern int sysctl_decnet_rmem[3]; - -#endif /* _NET_DN_H */ diff --git a/include/net/dn_dev.h b/include/net/dn_dev.h deleted file mode 100644 index 595b4f6c1eb1..000000000000 --- a/include/net/dn_dev.h +++ /dev/null @@ -1,199 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -#ifndef _NET_DN_DEV_H -#define _NET_DN_DEV_H - - -struct dn_dev; - -struct dn_ifaddr { - struct dn_ifaddr __rcu *ifa_next; - struct dn_dev *ifa_dev; - __le16 ifa_local; - __le16 ifa_address; - __u32 ifa_flags; - __u8 ifa_scope; - char ifa_label[IFNAMSIZ]; - struct rcu_head rcu; -}; - -#define DN_DEV_S_RU 0 /* Run - working normally */ -#define DN_DEV_S_CR 1 /* Circuit Rejected */ -#define DN_DEV_S_DS 2 /* Data Link Start */ -#define DN_DEV_S_RI 3 /* Routing Layer Initialize */ -#define DN_DEV_S_RV 4 /* Routing Layer Verify */ -#define DN_DEV_S_RC 5 /* Routing Layer Complete */ -#define DN_DEV_S_OF 6 /* Off */ -#define DN_DEV_S_HA 7 /* Halt */ - - -/* - * The dn_dev_parms structure contains the set of parameters - * for each device (hence inclusion in the dn_dev structure) - * and an array is used to store the default types of supported - * device (in dn_dev.c). - * - * The type field matches the ARPHRD_ constants and is used in - * searching the list for supported devices when new devices - * come up. - * - * The mode field is used to find out if a device is broadcast, - * multipoint, or pointopoint. Please note that DECnet thinks - * different ways about devices to the rest of the kernel - * so the normal IFF_xxx flags are invalid here. For devices - * which can be any combination of the previously mentioned - * attributes, you can set this on a per device basis by - * installing an up() routine. - * - * The device state field, defines the initial state in which the - * device will come up. In the dn_dev structure, it is the actual - * state. - * - * Things have changed here. I've killed timer1 since it's a user space - * issue for a user space routing deamon to sort out. The kernel does - * not need to be bothered with it. - * - * Timers: - * t2 - Rate limit timer, min time between routing and hello messages - * t3 - Hello timer, send hello messages when it expires - * - * Callbacks: - * up() - Called to initialize device, return value can veto use of - * device with DECnet. - * down() - Called to turn device off when it goes down - * timer3() - Called once for each ifaddr when timer 3 goes off - * - * sysctl - Hook for sysctl things - * - */ -struct dn_dev_parms { - int type; /* ARPHRD_xxx */ - int mode; /* Broadcast, Unicast, Mulitpoint */ -#define DN_DEV_BCAST 1 -#define DN_DEV_UCAST 2 -#define DN_DEV_MPOINT 4 - int state; /* Initial state */ - int forwarding; /* 0=EndNode, 1=L1Router, 2=L2Router */ - unsigned long t2; /* Default value of t2 */ - unsigned long t3; /* Default value of t3 */ - int priority; /* Priority to be a router */ - char *name; /* Name for sysctl */ - int (*up)(struct net_device *); - void (*down)(struct net_device *); - void (*timer3)(struct net_device *, struct dn_ifaddr *ifa); - void *sysctl; -}; - - -struct dn_dev { - struct dn_ifaddr __rcu *ifa_list; - struct net_device *dev; - struct dn_dev_parms parms; - char use_long; - struct timer_list timer; - unsigned long t3; - struct neigh_parms *neigh_parms; - __u8 addr[ETH_ALEN]; - struct neighbour *router; /* Default router on circuit */ - struct neighbour *peer; /* Peer on pointopoint links */ - unsigned long uptime; /* Time device went up in jiffies */ -}; - -struct dn_short_packet { - __u8 msgflg; - __le16 dstnode; - __le16 srcnode; - __u8 forward; -} __packed; - -struct dn_long_packet { - __u8 msgflg; - __u8 d_area; - __u8 d_subarea; - __u8 d_id[6]; - __u8 s_area; - __u8 s_subarea; - __u8 s_id[6]; - __u8 nl2; - __u8 visit_ct; - __u8 s_class; - __u8 pt; -} __packed; - -/*------------------------- DRP - Routing messages ---------------------*/ - -struct endnode_hello_message { - __u8 msgflg; - __u8 tiver[3]; - __u8 id[6]; - __u8 iinfo; - __le16 blksize; - __u8 area; - __u8 seed[8]; - __u8 neighbor[6]; - __le16 timer; - __u8 mpd; - __u8 datalen; - __u8 data[2]; -} __packed; - -struct rtnode_hello_message { - __u8 msgflg; - __u8 tiver[3]; - __u8 id[6]; - __u8 iinfo; - __le16 blksize; - __u8 priority; - __u8 area; - __le16 timer; - __u8 mpd; -} __packed; - - -void dn_dev_init(void); -void dn_dev_cleanup(void); - -int dn_dev_ioctl(unsigned int cmd, void __user *arg); - -void dn_dev_devices_off(void); -void dn_dev_devices_on(void); - -void dn_dev_init_pkt(struct sk_buff *skb); -void dn_dev_veri_pkt(struct sk_buff *skb); -void dn_dev_hello(struct sk_buff *skb); - -void dn_dev_up(struct net_device *); -void dn_dev_down(struct net_device *); - -int dn_dev_set_default(struct net_device *dev, int force); -struct net_device *dn_dev_get_default(void); -int dn_dev_bind_default(__le16 *addr); - -int register_dnaddr_notifier(struct notifier_block *nb); -int unregister_dnaddr_notifier(struct notifier_block *nb); - -static inline int dn_dev_islocal(struct net_device *dev, __le16 addr) -{ - struct dn_dev *dn_db; - struct dn_ifaddr *ifa; - int res = 0; - - rcu_read_lock(); - dn_db = rcu_dereference(dev->dn_ptr); - if (dn_db == NULL) { - printk(KERN_DEBUG "dn_dev_islocal: Called for non DECnet device\n"); - goto out; - } - - for (ifa = rcu_dereference(dn_db->ifa_list); - ifa != NULL; - ifa = rcu_dereference(ifa->ifa_next)) - if ((addr ^ ifa->ifa_local) == 0) { - res = 1; - break; - } -out: - rcu_read_unlock(); - return res; -} - -#endif /* _NET_DN_DEV_H */ diff --git a/include/net/dn_fib.h b/include/net/dn_fib.h deleted file mode 100644 index 6dd2213c5eb2..000000000000 --- a/include/net/dn_fib.h +++ /dev/null @@ -1,167 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -#ifndef _NET_DN_FIB_H -#define _NET_DN_FIB_H - -#include <linux/netlink.h> -#include <linux/refcount.h> - -extern const struct nla_policy rtm_dn_policy[]; - -struct dn_fib_res { - struct fib_rule *r; - struct dn_fib_info *fi; - unsigned char prefixlen; - unsigned char nh_sel; - unsigned char type; - unsigned char scope; -}; - -struct dn_fib_nh { - struct net_device *nh_dev; - unsigned int nh_flags; - unsigned char nh_scope; - int nh_weight; - int nh_power; - int nh_oif; - __le16 nh_gw; -}; - -struct dn_fib_info { - struct dn_fib_info *fib_next; - struct dn_fib_info *fib_prev; - int fib_treeref; - refcount_t fib_clntref; - int fib_dead; - unsigned int fib_flags; - int fib_protocol; - __le16 fib_prefsrc; - __u32 fib_priority; - __u32 fib_metrics[RTAX_MAX]; - int fib_nhs; - int fib_power; - struct dn_fib_nh fib_nh[0]; -#define dn_fib_dev fib_nh[0].nh_dev -}; - - -#define DN_FIB_RES_RESET(res) ((res).nh_sel = 0) -#define DN_FIB_RES_NH(res) ((res).fi->fib_nh[(res).nh_sel]) - -#define DN_FIB_RES_PREFSRC(res) ((res).fi->fib_prefsrc ? : __dn_fib_res_prefsrc(&res)) -#define DN_FIB_RES_GW(res) (DN_FIB_RES_NH(res).nh_gw) -#define DN_FIB_RES_DEV(res) (DN_FIB_RES_NH(res).nh_dev) -#define DN_FIB_RES_OIF(res) (DN_FIB_RES_NH(res).nh_oif) - -typedef struct { - __le16 datum; -} dn_fib_key_t; - -typedef struct { - __le16 datum; -} dn_fib_hash_t; - -typedef struct { - __u16 datum; -} dn_fib_idx_t; - -struct dn_fib_node { - struct dn_fib_node *fn_next; - struct dn_fib_info *fn_info; -#define DN_FIB_INFO(f) ((f)->fn_info) - dn_fib_key_t fn_key; - u8 fn_type; - u8 fn_scope; - u8 fn_state; -}; - - -struct dn_fib_table { - struct hlist_node hlist; - u32 n; - - int (*insert)(struct dn_fib_table *t, struct rtmsg *r, - struct nlattr *attrs[], struct nlmsghdr *n, - struct netlink_skb_parms *req); - int (*delete)(struct dn_fib_table *t, struct rtmsg *r, - struct nlattr *attrs[], struct nlmsghdr *n, - struct netlink_skb_parms *req); - int (*lookup)(struct dn_fib_table *t, const struct flowidn *fld, - struct dn_fib_res *res); - int (*flush)(struct dn_fib_table *t); - int (*dump)(struct dn_fib_table *t, struct sk_buff *skb, struct netlink_callback *cb); - - unsigned char data[0]; -}; - -#ifdef CONFIG_DECNET_ROUTER -/* - * dn_fib.c - */ -void dn_fib_init(void); -void dn_fib_cleanup(void); - -int dn_fib_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg); -struct dn_fib_info *dn_fib_create_info(const struct rtmsg *r, - struct nlattr *attrs[], - const struct nlmsghdr *nlh, int *errp); -int dn_fib_semantic_match(int type, struct dn_fib_info *fi, - const struct flowidn *fld, struct dn_fib_res *res); -void dn_fib_release_info(struct dn_fib_info *fi); -void dn_fib_flush(void); -void dn_fib_select_multipath(const struct flowidn *fld, struct dn_fib_res *res); - -/* - * dn_tables.c - */ -struct dn_fib_table *dn_fib_get_table(u32 n, int creat); -struct dn_fib_table *dn_fib_empty_table(void); -void dn_fib_table_init(void); -void dn_fib_table_cleanup(void); - -/* - * dn_rules.c - */ -void dn_fib_rules_init(void); -void dn_fib_rules_cleanup(void); -unsigned int dnet_addr_type(__le16 addr); -int dn_fib_lookup(struct flowidn *fld, struct dn_fib_res *res); - -int dn_fib_dump(struct sk_buff *skb, struct netlink_callback *cb); - -void dn_fib_free_info(struct dn_fib_info *fi); - -static inline void dn_fib_info_put(struct dn_fib_info *fi) -{ - if (refcount_dec_and_test(&fi->fib_clntref)) - dn_fib_free_info(fi); -} - -static inline void dn_fib_res_put(struct dn_fib_res *res) -{ - if (res->fi) - dn_fib_info_put(res->fi); - if (res->r) - fib_rule_put(res->r); -} - -#else /* Endnode */ - -#define dn_fib_init() do { } while(0) -#define dn_fib_cleanup() do { } while(0) - -#define dn_fib_lookup(fl, res) (-ESRCH) -#define dn_fib_info_put(fi) do { } while(0) -#define dn_fib_select_multipath(fl, res) do { } while(0) -#define dn_fib_rules_policy(saddr,res,flags) (0) -#define dn_fib_res_put(res) do { } while(0) - -#endif /* CONFIG_DECNET_ROUTER */ - -static inline __le16 dnet_make_mask(int n) -{ - if (n) - return cpu_to_le16(~((1 << (16 - n)) - 1)); - return cpu_to_le16(0); -} - -#endif /* _NET_DN_FIB_H */ diff --git a/include/net/dn_neigh.h b/include/net/dn_neigh.h deleted file mode 100644 index 2e3e7793973a..000000000000 --- a/include/net/dn_neigh.h +++ /dev/null @@ -1,30 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -#ifndef _NET_DN_NEIGH_H -#define _NET_DN_NEIGH_H - -/* - * The position of the first two fields of - * this structure are critical - SJW - */ -struct dn_neigh { - struct neighbour n; - __le16 addr; - unsigned long flags; -#define DN_NDFLAG_R1 0x0001 /* Router L1 */ -#define DN_NDFLAG_R2 0x0002 /* Router L2 */ -#define DN_NDFLAG_P3 0x0004 /* Phase III Node */ - unsigned long blksize; - __u8 priority; -}; - -void dn_neigh_init(void); -void dn_neigh_cleanup(void); -int dn_neigh_router_hello(struct net *net, struct sock *sk, struct sk_buff *skb); -int dn_neigh_endnode_hello(struct net *net, struct sock *sk, struct sk_buff *skb); -void dn_neigh_pointopoint_hello(struct sk_buff *skb); -int dn_neigh_elist(struct net_device *dev, unsigned char *ptr, int n); -int dn_to_neigh_output(struct net *net, struct sock *sk, struct sk_buff *skb); - -extern struct neigh_table dn_neigh_table; - -#endif /* _NET_DN_NEIGH_H */ diff --git a/include/net/dn_nsp.h b/include/net/dn_nsp.h deleted file mode 100644 index 413a15e5339c..000000000000 --- a/include/net/dn_nsp.h +++ /dev/null @@ -1,203 +0,0 @@ -#ifndef _NET_DN_NSP_H -#define _NET_DN_NSP_H -/****************************************************************************** - (c) 1995-1998 E.M. Serrat emserrat@geocities.com - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - any later version. - - This program is distributed in the hope that 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. -*******************************************************************************/ -/* dn_nsp.c functions prototyping */ - -void dn_nsp_send_data_ack(struct sock *sk); -void dn_nsp_send_oth_ack(struct sock *sk); -void dn_send_conn_ack(struct sock *sk); -void dn_send_conn_conf(struct sock *sk, gfp_t gfp); -void dn_nsp_send_disc(struct sock *sk, unsigned char type, - unsigned short reason, gfp_t gfp); -void dn_nsp_return_disc(struct sk_buff *skb, unsigned char type, - unsigned short reason); -void dn_nsp_send_link(struct sock *sk, unsigned char lsflags, char fcval); -void dn_nsp_send_conninit(struct sock *sk, unsigned char flags); - -void dn_nsp_output(struct sock *sk); -int dn_nsp_check_xmit_queue(struct sock *sk, struct sk_buff *skb, - struct sk_buff_head *q, unsigned short acknum); -void dn_nsp_queue_xmit(struct sock *sk, struct sk_buff *skb, gfp_t gfp, - int oob); -unsigned long dn_nsp_persist(struct sock *sk); -int dn_nsp_xmit_timeout(struct sock *sk); - -int dn_nsp_rx(struct sk_buff *); -int dn_nsp_backlog_rcv(struct sock *sk, struct sk_buff *skb); - -struct sk_buff *dn_alloc_skb(struct sock *sk, int size, gfp_t pri); -struct sk_buff *dn_alloc_send_skb(struct sock *sk, size_t *size, int noblock, - long timeo, int *err); - -#define NSP_REASON_OK 0 /* No error */ -#define NSP_REASON_NR 1 /* No resources */ -#define NSP_REASON_UN 2 /* Unrecognised node name */ -#define NSP_REASON_SD 3 /* Node shutting down */ -#define NSP_REASON_ID 4 /* Invalid destination end user */ -#define NSP_REASON_ER 5 /* End user lacks resources */ -#define NSP_REASON_OB 6 /* Object too busy */ -#define NSP_REASON_US 7 /* Unspecified error */ -#define NSP_REASON_TP 8 /* Third-Party abort */ -#define NSP_REASON_EA 9 /* End user has aborted the link */ -#define NSP_REASON_IF 10 /* Invalid node name format */ -#define NSP_REASON_LS 11 /* Local node shutdown */ -#define NSP_REASON_LL 32 /* Node lacks logical-link resources */ -#define NSP_REASON_LE 33 /* End user lacks logical-link resources */ -#define NSP_REASON_UR 34 /* Unacceptable RQSTRID or PASSWORD field */ -#define NSP_REASON_UA 36 /* Unacceptable ACCOUNT field */ -#define NSP_REASON_TM 38 /* End user timed out logical link */ -#define NSP_REASON_NU 39 /* Node unreachable */ -#define NSP_REASON_NL 41 /* No-link message */ -#define NSP_REASON_DC 42 /* Disconnect confirm */ -#define NSP_REASON_IO 43 /* Image data field overflow */ - -#define NSP_DISCINIT 0x38 -#define NSP_DISCCONF 0x48 - -/*------------------------- NSP - messages ------------------------------*/ -/* Data Messages */ -/*---------------*/ - -/* Data Messages (data segment/interrupt/link service) */ - -struct nsp_data_seg_msg { - __u8 msgflg; - __le16 dstaddr; - __le16 srcaddr; -} __packed; - -struct nsp_data_opt_msg { - __le16 acknum; - __le16 segnum; - __le16 lsflgs; -} __packed; - -struct nsp_data_opt_msg1 { - __le16 acknum; - __le16 segnum; -} __packed; - - -/* Acknowledgment Message (data/other data) */ -struct nsp_data_ack_msg { - __u8 msgflg; - __le16 dstaddr; - __le16 srcaddr; - __le16 acknum; -} __packed; - -/* Connect Acknowledgment Message */ -struct nsp_conn_ack_msg { - __u8 msgflg; - __le16 dstaddr; -} __packed; - - -/* Connect Initiate/Retransmit Initiate/Connect Confirm */ -struct nsp_conn_init_msg { - __u8 msgflg; -#define NSP_CI 0x18 /* Connect Initiate */ -#define NSP_RCI 0x68 /* Retrans. Conn Init */ - __le16 dstaddr; - __le16 srcaddr; - __u8 services; -#define NSP_FC_NONE 0x00 /* Flow Control None */ -#define NSP_FC_SRC 0x04 /* Seg Req. Count */ -#define NSP_FC_SCMC 0x08 /* Sess. Control Mess */ -#define NSP_FC_MASK 0x0c /* FC type mask */ - __u8 info; - __le16 segsize; -} __packed; - -/* Disconnect Initiate/Disconnect Confirm */ -struct nsp_disconn_init_msg { - __u8 msgflg; - __le16 dstaddr; - __le16 srcaddr; - __le16 reason; -} __packed; - - - -struct srcobj_fmt { - __u8 format; - __u8 task; - __le16 grpcode; - __le16 usrcode; - __u8 dlen; -} __packed; - -/* - * A collection of functions for manipulating the sequence - * numbers used in NSP. Similar in operation to the functions - * of the same name in TCP. - */ -static __inline__ int dn_before(__u16 seq1, __u16 seq2) -{ - seq1 &= 0x0fff; - seq2 &= 0x0fff; - - return (int)((seq1 - seq2) & 0x0fff) > 2048; -} - - -static __inline__ int dn_after(__u16 seq1, __u16 seq2) -{ - seq1 &= 0x0fff; - seq2 &= 0x0fff; - - return (int)((seq2 - seq1) & 0x0fff) > 2048; -} - -static __inline__ int dn_equal(__u16 seq1, __u16 seq2) -{ - return ((seq1 ^ seq2) & 0x0fff) == 0; -} - -static __inline__ int dn_before_or_equal(__u16 seq1, __u16 seq2) -{ - return (dn_before(seq1, seq2) || dn_equal(seq1, seq2)); -} - -static __inline__ void seq_add(__u16 *seq, __u16 off) -{ - (*seq) += off; - (*seq) &= 0x0fff; -} - -static __inline__ int seq_next(__u16 seq1, __u16 seq2) -{ - return dn_equal(seq1 + 1, seq2); -} - -/* - * Can we delay the ack ? - */ -static __inline__ int sendack(__u16 seq) -{ - return (int)((seq & 0x1000) ? 0 : 1); -} - -/* - * Is socket congested ? - */ -static __inline__ int dn_congested(struct sock *sk) -{ - return atomic_read(&sk->sk_rmem_alloc) > (sk->sk_rcvbuf >> 1); -} - -#define DN_MAX_NSP_DATA_HEADER (11) - -#endif /* _NET_DN_NSP_H */ diff --git a/include/net/dn_route.h b/include/net/dn_route.h deleted file mode 100644 index 342d2503cba5..000000000000 --- a/include/net/dn_route.h +++ /dev/null @@ -1,123 +0,0 @@ -#ifndef _NET_DN_ROUTE_H -#define _NET_DN_ROUTE_H - -/****************************************************************************** - (c) 1995-1998 E.M. Serrat emserrat@geocities.com - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - any later version. - - This program is distributed in the hope that 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. -*******************************************************************************/ - -struct sk_buff *dn_alloc_skb(struct sock *sk, int size, gfp_t pri); -int dn_route_output_sock(struct dst_entry __rcu **pprt, struct flowidn *, - struct sock *sk, int flags); -int dn_cache_dump(struct sk_buff *skb, struct netlink_callback *cb); -void dn_rt_cache_flush(int delay); -int dn_route_rcv(struct sk_buff *skb, struct net_device *dev, - struct packet_type *pt, struct net_device *orig_dev); - -/* Masks for flags field */ -#define DN_RT_F_PID 0x07 /* Mask for packet type */ -#define DN_RT_F_PF 0x80 /* Padding Follows */ -#define DN_RT_F_VER 0x40 /* Version =0 discard packet if ==1 */ -#define DN_RT_F_IE 0x20 /* Intra Ethernet, Reserved in short pkt */ -#define DN_RT_F_RTS 0x10 /* Packet is being returned to sender */ -#define DN_RT_F_RQR 0x08 /* Return packet to sender upon non-delivery */ - -/* Mask for types of routing packets */ -#define DN_RT_PKT_MSK 0x06 -/* Types of routing packets */ -#define DN_RT_PKT_SHORT 0x02 /* Short routing packet */ -#define DN_RT_PKT_LONG 0x06 /* Long routing packet */ - -/* Mask for control/routing selection */ -#define DN_RT_PKT_CNTL 0x01 /* Set to 1 if a control packet */ -/* Types of control packets */ -#define DN_RT_CNTL_MSK 0x0f /* Mask for control packets */ -#define DN_RT_PKT_INIT 0x01 /* Initialisation packet */ -#define DN_RT_PKT_VERI 0x03 /* Verification Message */ -#define DN_RT_PKT_HELO 0x05 /* Hello and Test Message */ -#define DN_RT_PKT_L1RT 0x07 /* Level 1 Routing Message */ -#define DN_RT_PKT_L2RT 0x09 /* Level 2 Routing Message */ -#define DN_RT_PKT_ERTH 0x0b /* Ethernet Router Hello */ -#define DN_RT_PKT_EEDH 0x0d /* Ethernet EndNode Hello */ - -/* Values for info field in hello message */ -#define DN_RT_INFO_TYPE 0x03 /* Type mask */ -#define DN_RT_INFO_L1RT 0x02 /* L1 Router */ -#define DN_RT_INFO_L2RT 0x01 /* L2 Router */ -#define DN_RT_INFO_ENDN 0x03 /* EndNode */ -#define DN_RT_INFO_VERI 0x04 /* Verification Reqd. */ -#define DN_RT_INFO_RJCT 0x08 /* Reject Flag, Reserved */ -#define DN_RT_INFO_VFLD 0x10 /* Verification Failed, Reserved */ -#define DN_RT_INFO_NOML 0x20 /* No Multicast traffic accepted */ -#define DN_RT_INFO_BLKR 0x40 /* Blocking Requested */ - -/* - * The fl structure is what we used to look up the route. - * The rt_saddr & rt_daddr entries are the same as key.saddr & key.daddr - * except for local input routes, where the rt_saddr = fl.fld_dst and - * rt_daddr = fl.fld_src to allow the route to be used for returning - * packets to the originating host. - */ -struct dn_route { - struct dst_entry dst; - struct dn_route __rcu *dn_next; - - struct neighbour *n; - - struct flowidn fld; - - __le16 rt_saddr; - __le16 rt_daddr; - __le16 rt_gateway; - __le16 rt_local_src; /* Source used for forwarding packets */ - __le16 rt_src_map; - __le16 rt_dst_map; - - unsigned int rt_flags; - unsigned int rt_type; -}; - -static inline bool dn_is_input_route(struct dn_route *rt) -{ - return rt->fld.flowidn_iif != 0; -} - -static inline bool dn_is_output_route(struct dn_route *rt) -{ - return rt->fld.flowidn_iif == 0; -} - -void dn_route_init(void); -void dn_route_cleanup(void); - -#include <net/sock.h> -#include <linux/if_arp.h> - -static inline void dn_rt_send(struct sk_buff *skb) -{ - dev_queue_xmit(skb); -} - -static inline void dn_rt_finish_output(struct sk_buff *skb, char *dst, char *src) -{ - struct net_device *dev = skb->dev; - - if ((dev->type != ARPHRD_ETHER) && (dev->type != ARPHRD_LOOPBACK)) - dst = NULL; - - if (dev_hard_header(skb, dev, ETH_P_DNA_RT, dst, src, skb->len) >= 0) - dn_rt_send(skb); - else - kfree_skb(skb); -} - -#endif /* _NET_DN_ROUTE_H */ diff --git a/include/net/dst.h b/include/net/dst.h index d2728525df5a..97267997601f 100644 --- a/include/net/dst.h +++ b/include/net/dst.h @@ -247,12 +247,6 @@ static inline void dst_use_noref(struct dst_entry *dst, unsigned long time) } } -static inline void dst_hold_and_use(struct dst_entry *dst, unsigned long time) -{ - dst_hold(dst); - dst_use_noref(dst, time); -} - static inline struct dst_entry *dst_clone(struct dst_entry *dst) { if (dst) @@ -368,9 +362,8 @@ static inline void __skb_tunnel_rx(struct sk_buff *skb, struct net_device *dev, static inline void skb_tunnel_rx(struct sk_buff *skb, struct net_device *dev, struct net *net) { - /* TODO : stats should be SMP safe */ - dev->stats.rx_packets++; - dev->stats.rx_bytes += skb->len; + DEV_STATS_INC(dev, rx_packets); + DEV_STATS_ADD(dev, rx_bytes, skb->len); __skb_tunnel_rx(skb, dev, net); } diff --git a/include/net/dst_ops.h b/include/net/dst_ops.h index 443863c7b8da..632086b2f644 100644 --- a/include/net/dst_ops.h +++ b/include/net/dst_ops.h @@ -16,7 +16,7 @@ struct dst_ops { unsigned short family; unsigned int gc_thresh; - int (*gc)(struct dst_ops *ops); + void (*gc)(struct dst_ops *ops); struct dst_entry * (*check)(struct dst_entry *, __u32 cookie); unsigned int (*default_advmss)(const struct dst_entry *); unsigned int (*mtu)(const struct dst_entry *); @@ -53,9 +53,11 @@ static inline int dst_entries_get_slow(struct dst_ops *dst) return percpu_counter_sum_positive(&dst->pcpuc_entries); } +#define DST_PERCPU_COUNTER_BATCH 32 static inline void dst_entries_add(struct dst_ops *dst, int val) { - percpu_counter_add(&dst->pcpuc_entries, val); + percpu_counter_add_batch(&dst->pcpuc_entries, val, + DST_PERCPU_COUNTER_BATCH); } static inline int dst_entries_init(struct dst_ops *dst) diff --git a/include/net/genetlink.h b/include/net/genetlink.h index 3e3a1a38884a..b8b7edcfc893 100644 --- a/include/net/genetlink.h +++ b/include/net/genetlink.h @@ -11,9 +11,12 @@ /** * struct genl_multicast_group - generic netlink multicast group * @name: name of the multicast group, names are per-family + * @cap_sys_admin: whether %CAP_SYS_ADMIN is required for binding */ struct genl_multicast_group { char name[GENL_NAMSIZ]; + u8 flags; + u8 cap_sys_admin:1; }; struct genl_ops; diff --git a/include/net/ip.h b/include/net/ip.h index 0f820e68bd8f..ce041dc440b4 100644 --- a/include/net/ip.h +++ b/include/net/ip.h @@ -73,6 +73,7 @@ struct ipcm_cookie { __be32 addr; int oif; struct ip_options_rcu *opt; + __u8 protocol; __u8 ttl; __s16 tos; char priority; @@ -92,6 +93,7 @@ static inline void ipcm_init_sk(struct ipcm_cookie *ipcm, ipcm->sockc.tsflags = inet->sk.sk_tsflags; ipcm->oif = inet->sk.sk_bound_dev_if; ipcm->addr = inet->inet_saddr; + ipcm->protocol = inet->inet_num; } #define IPCB(skb) ((struct inet_skb_parm*)((skb)->cb)) diff --git a/include/net/ip6_tunnel.h b/include/net/ip6_tunnel.h index f594eb71c274..c26b39a30000 100644 --- a/include/net/ip6_tunnel.h +++ b/include/net/ip6_tunnel.h @@ -57,7 +57,7 @@ struct ip6_tnl { /* These fields used only by GRE */ __u32 i_seqno; /* The last seen seqno */ - __u32 o_seqno; /* The last output seqno */ + atomic_t o_seqno; /* The last output seqno */ int hlen; /* tun_hlen + encap_hlen */ int tun_hlen; /* Precalculated header length */ int encap_hlen; /* Encap header length (FOU,GUE) */ diff --git a/include/net/ip_tunnels.h b/include/net/ip_tunnels.h index f8873c4eb003..bc2ae8ce5bd4 100644 --- a/include/net/ip_tunnels.h +++ b/include/net/ip_tunnels.h @@ -113,7 +113,7 @@ struct ip_tunnel { /* These four fields used only by GRE */ u32 i_seqno; /* The last seen seqno */ - u32 o_seqno; /* The last output seqno */ + atomic_t o_seqno; /* The last output seqno */ int tun_hlen; /* Precalculated header length */ /* These four fields used only by ERSPAN */ diff --git a/include/net/ipv6.h b/include/net/ipv6.h index 4c2e40882e88..3a55a0931ed8 100644 --- a/include/net/ipv6.h +++ b/include/net/ipv6.h @@ -602,12 +602,8 @@ static inline u32 ipv6_addr_hash(const struct in6_addr *a) /* more secured version of ipv6_addr_hash() */ static inline u32 __ipv6_addr_jhash(const struct in6_addr *a, const u32 initval) { - u32 v = (__force u32)a->s6_addr32[0] ^ (__force u32)a->s6_addr32[1]; - - return jhash_3words(v, - (__force u32)a->s6_addr32[2], - (__force u32)a->s6_addr32[3], - initval); + return jhash2((__force const u32 *)a->s6_addr32, + ARRAY_SIZE(a->s6_addr32), initval); } static inline bool ipv6_addr_loopback(const struct in6_addr *a) @@ -1040,6 +1036,8 @@ void ipv6_icmp_error(struct sock *sk, struct sk_buff *skb, int err, __be16 port, void ipv6_local_error(struct sock *sk, int err, struct flowi6 *fl6, u32 info); void ipv6_local_rxpmtu(struct sock *sk, struct flowi6 *fl6, u32 mtu); +void inet6_cleanup_sock(struct sock *sk); +void inet6_sock_destruct(struct sock *sk); int inet6_release(struct socket *sock); int inet6_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len); int inet6_getname(struct socket *sock, struct sockaddr *uaddr, diff --git a/include/net/lwtunnel.h b/include/net/lwtunnel.h index 33fd9ba7e0e5..ec75c0a1c529 100644 --- a/include/net/lwtunnel.h +++ b/include/net/lwtunnel.h @@ -16,9 +16,12 @@ #define LWTUNNEL_STATE_INPUT_REDIRECT BIT(1) #define LWTUNNEL_STATE_XMIT_REDIRECT BIT(2) +/* LWTUNNEL_XMIT_CONTINUE should be distinguishable from dst_output return + * values (NET_XMIT_xxx and NETDEV_TX_xxx in linux/netdevice.h) for safety. + */ enum { LWTUNNEL_XMIT_DONE, - LWTUNNEL_XMIT_CONTINUE, + LWTUNNEL_XMIT_CONTINUE = 0x100, }; diff --git a/include/net/mrp.h b/include/net/mrp.h index ef58b4a07190..c6c53370e390 100644 --- a/include/net/mrp.h +++ b/include/net/mrp.h @@ -120,6 +120,7 @@ struct mrp_applicant { struct sk_buff *pdu; struct rb_root mad; struct rcu_head rcu; + bool active; }; struct mrp_port { diff --git a/include/net/neighbour.h b/include/net/neighbour.h index 5ce035984a4d..e58ef9e338de 100644 --- a/include/net/neighbour.h +++ b/include/net/neighbour.h @@ -251,11 +251,6 @@ static inline void *neighbour_priv(const struct neighbour *n) #define NEIGH_UPDATE_F_ADMIN 0x80000000 -static inline bool neigh_key_eq16(const struct neighbour *n, const void *pkey) -{ - return *(const u16 *)n->primary_key == *(const u16 *)pkey; -} - static inline bool neigh_key_eq32(const struct neighbour *n, const void *pkey) { return *(const u32 *)n->primary_key == *(const u32 *)pkey; @@ -305,8 +300,6 @@ void neigh_table_init(int index, struct neigh_table *tbl); int neigh_table_clear(int index, struct neigh_table *tbl); struct neighbour *neigh_lookup(struct neigh_table *tbl, const void *pkey, struct net_device *dev); -struct neighbour *neigh_lookup_nodev(struct neigh_table *tbl, struct net *net, - const void *pkey); struct neighbour *__neigh_create(struct neigh_table *tbl, const void *pkey, struct net_device *dev, bool want_ref); static inline struct neighbour *neigh_create(struct neigh_table *tbl, diff --git a/include/net/netfilter/nf_tables.h b/include/net/netfilter/nf_tables.h index 93253ba1eeac..fd85286482c1 100644 --- a/include/net/netfilter/nf_tables.h +++ b/include/net/netfilter/nf_tables.h @@ -191,14 +191,13 @@ static inline enum nft_registers nft_type_to_reg(enum nft_data_types type) } int nft_parse_u32_check(const struct nlattr *attr, int max, u32 *dest); -unsigned int nft_parse_register(const struct nlattr *attr); int nft_dump_register(struct sk_buff *skb, unsigned int attr, unsigned int reg); -int nft_validate_register_load(enum nft_registers reg, unsigned int len); -int nft_validate_register_store(const struct nft_ctx *ctx, - enum nft_registers reg, - const struct nft_data *data, - enum nft_data_types type, unsigned int len); +int nft_parse_register_load(const struct nlattr *attr, u8 *sreg, u32 len); +int nft_parse_register_store(const struct nft_ctx *ctx, + const struct nlattr *attr, u8 *dreg, + const struct nft_data *data, + enum nft_data_types type, unsigned int len); /** * struct nft_userdata - user defined data associated with an object @@ -226,6 +225,10 @@ struct nft_set_elem { u32 buf[NFT_DATA_VALUE_MAXLEN / sizeof(u32)]; struct nft_data val; } key; + union { + u32 buf[NFT_DATA_VALUE_MAXLEN / sizeof(u32)]; + struct nft_data val; + } data; void *priv; }; @@ -471,6 +474,7 @@ struct nft_set_binding { }; enum nft_trans_phase; +void nf_tables_activate_set(const struct nft_ctx *ctx, struct nft_set *set); void nf_tables_deactivate_set(const struct nft_ctx *ctx, struct nft_set *set, struct nft_set_binding *binding, enum nft_trans_phase phase); @@ -732,6 +736,7 @@ struct nft_expr_type { enum nft_trans_phase { NFT_TRANS_PREPARE, + NFT_TRANS_PREPARE_ERROR, NFT_TRANS_ABORT, NFT_TRANS_COMMIT, NFT_TRANS_RELEASE @@ -987,6 +992,29 @@ int __nft_release_basechain(struct nft_ctx *ctx); unsigned int nft_do_chain(struct nft_pktinfo *pkt, void *priv); +static inline bool nft_use_inc(u32 *use) +{ + if (*use == UINT_MAX) + return false; + + (*use)++; + + return true; +} + +static inline void nft_use_dec(u32 *use) +{ + WARN_ON_ONCE((*use)-- == 0); +} + +/* For error and abort path: restore use counter to previous state. */ +static inline void nft_use_inc_restore(u32 *use) +{ + WARN_ON_ONCE(!nft_use_inc(use)); +} + +#define nft_use_dec_restore nft_use_dec + /** * struct nft_table - nf_tables table * @@ -1045,8 +1073,8 @@ struct nft_object { struct list_head list; char *name; struct nft_table *table; - u32 genmask:2, - use:30; + u32 genmask:2; + u32 use; u64 handle; /* runtime data below here */ const struct nft_object_ops *ops ____cacheline_aligned; @@ -1144,8 +1172,8 @@ struct nft_flowtable { int hooknum; int priority; int ops_len; - u32 genmask:2, - use:30; + u32 genmask:2; + u32 use; u64 handle; /* runtime data below here */ struct nf_hook_ops *ops ____cacheline_aligned; @@ -1156,6 +1184,10 @@ struct nft_flowtable *nft_flowtable_lookup(const struct nft_table *table, const struct nlattr *nla, u8 genmask); +void nf_tables_deactivate_flowtable(const struct nft_ctx *ctx, + struct nft_flowtable *flowtable, + enum nft_trans_phase phase); + void nft_register_flowtable_type(struct nf_flowtable_type *type); void nft_unregister_flowtable_type(struct nf_flowtable_type *type); @@ -1315,12 +1347,14 @@ static inline void nft_set_elem_clear_busy(struct nft_set_ext *ext) * struct nft_trans - nf_tables object update in transaction * * @list: used internally + * @binding_list: list of objects with possible bindings * @msg_type: message type * @ctx: transaction context * @data: internal information related to the transaction */ struct nft_trans { struct list_head list; + struct list_head binding_list; int msg_type; struct nft_ctx ctx; char data[0]; @@ -1405,4 +1439,15 @@ struct nft_trans_flowtable { int __init nft_chain_filter_init(void); void nft_chain_filter_fini(void); +struct nftables_pernet { + struct list_head tables; + struct list_head commit_list; + struct list_head binding_list; + struct list_head module_list; + struct list_head notify_list; + struct mutex commit_mutex; + unsigned int base_seq; + u8 validate_state; +}; + #endif /* _NET_NF_TABLES_H */ diff --git a/include/net/netfilter/nf_tables_core.h b/include/net/netfilter/nf_tables_core.h index 8da837d2aaf9..6a3f76e012be 100644 --- a/include/net/netfilter/nf_tables_core.h +++ b/include/net/netfilter/nf_tables_core.h @@ -21,13 +21,14 @@ void nf_tables_core_module_exit(void); struct nft_cmp_fast_expr { u32 data; - enum nft_registers sreg:8; + u32 mask; + u8 sreg; u8 len; }; struct nft_immediate_expr { struct nft_data data; - enum nft_registers dreg:8; + u8 dreg; u8 dlen; }; @@ -47,14 +48,14 @@ struct nft_payload { enum nft_payload_bases base:8; u8 offset; u8 len; - enum nft_registers dreg:8; + u8 dreg; }; struct nft_payload_set { enum nft_payload_bases base:8; u8 offset; u8 len; - enum nft_registers sreg:8; + u8 sreg; u8 csum_type; u8 csum_offset; u8 csum_flags; diff --git a/include/net/netfilter/nft_fib.h b/include/net/netfilter/nft_fib.h index a88f92737308..1f8726739529 100644 --- a/include/net/netfilter/nft_fib.h +++ b/include/net/netfilter/nft_fib.h @@ -3,7 +3,7 @@ #define _NFT_FIB_H_ struct nft_fib { - enum nft_registers dreg:8; + u8 dreg; u8 result; u32 flags; }; diff --git a/include/net/netfilter/nft_masq.h b/include/net/netfilter/nft_masq.h index e51ab3815797..e69a8277b70b 100644 --- a/include/net/netfilter/nft_masq.h +++ b/include/net/netfilter/nft_masq.h @@ -4,8 +4,8 @@ struct nft_masq { u32 flags; - enum nft_registers sreg_proto_min:8; - enum nft_registers sreg_proto_max:8; + u8 sreg_proto_min; + u8 sreg_proto_max; }; extern const struct nla_policy nft_masq_policy[]; diff --git a/include/net/netfilter/nft_redir.h b/include/net/netfilter/nft_redir.h index 4a970737c03c..2b4036c94cb3 100644 --- a/include/net/netfilter/nft_redir.h +++ b/include/net/netfilter/nft_redir.h @@ -3,8 +3,8 @@ #define _NFT_REDIR_H_ struct nft_redir { - enum nft_registers sreg_proto_min:8; - enum nft_registers sreg_proto_max:8; + u8 sreg_proto_min; + u8 sreg_proto_max; u16 flags; }; diff --git a/include/net/netns/ipv6.h b/include/net/netns/ipv6.h index f0e396ab9bec..8f4d013fa05f 100644 --- a/include/net/netns/ipv6.h +++ b/include/net/netns/ipv6.h @@ -72,8 +72,8 @@ struct netns_ipv6 { struct dst_ops ip6_dst_ops; rwlock_t fib6_walker_lock; spinlock_t fib6_gc_lock; - unsigned int ip6_rt_gc_expire; - unsigned long ip6_rt_last_gc; + atomic_t ip6_rt_gc_expire; + unsigned long ip6_rt_last_gc; #ifdef CONFIG_IPV6_MULTIPLE_TABLES unsigned int fib6_rules_require_fldissect; bool fib6_has_custom_rules; diff --git a/include/net/netns/netfilter.h b/include/net/netns/netfilter.h index ca043342c0eb..2e57312ac589 100644 --- a/include/net/netns/netfilter.h +++ b/include/net/netns/netfilter.h @@ -25,9 +25,6 @@ struct netns_nf { #ifdef CONFIG_NETFILTER_FAMILY_BRIDGE struct nf_hook_entries __rcu *hooks_bridge[NF_INET_NUMHOOKS]; #endif -#if IS_ENABLED(CONFIG_DECNET) - struct nf_hook_entries __rcu *hooks_decnet[NF_DN_NUMHOOKS]; -#endif #if IS_ENABLED(CONFIG_NF_DEFRAG_IPV4) bool defrag_ipv4; #endif diff --git a/include/net/netns/nftables.h b/include/net/netns/nftables.h index 286fd960896f..8c77832d0240 100644 --- a/include/net/netns/nftables.h +++ b/include/net/netns/nftables.h @@ -5,12 +5,7 @@ #include <linux/list.h> struct netns_nftables { - struct list_head tables; - struct list_head commit_list; - struct mutex commit_mutex; - unsigned int base_seq; u8 gencursor; - u8 validate_state; }; #endif diff --git a/include/net/netns/xfrm.h b/include/net/netns/xfrm.h index fbfa59801454..9a5212b46118 100644 --- a/include/net/netns/xfrm.h +++ b/include/net/netns/xfrm.h @@ -48,6 +48,7 @@ struct netns_xfrm { struct list_head policy_all; struct hlist_head *policy_byidx; unsigned int policy_idx_hmask; + unsigned int idx_generator; struct hlist_head policy_inexact[XFRM_POLICY_MAX]; struct xfrm_policy_hash policy_bydst[XFRM_POLICY_MAX]; unsigned int policy_count[XFRM_POLICY_MAX * 2]; diff --git a/include/net/nfc/nfc.h b/include/net/nfc/nfc.h index bbdc73a3239d..8b86560b5cfb 100644 --- a/include/net/nfc/nfc.h +++ b/include/net/nfc/nfc.h @@ -278,7 +278,7 @@ struct sk_buff *nfc_alloc_send_skb(struct nfc_dev *dev, struct sock *sk, struct sk_buff *nfc_alloc_recv_skb(unsigned int size, gfp_t gfp); int nfc_set_remote_general_bytes(struct nfc_dev *dev, - u8 *gt, u8 gt_len); + const u8 *gt, u8 gt_len); u8 *nfc_get_local_general_bytes(struct nfc_dev *dev, size_t *gb_len); int nfc_fw_download_done(struct nfc_dev *dev, const char *firmware_name, @@ -292,7 +292,7 @@ int nfc_dep_link_is_up(struct nfc_dev *dev, u32 target_idx, u8 comm_mode, u8 rf_mode); int nfc_tm_activated(struct nfc_dev *dev, u32 protocol, u8 comm_mode, - u8 *gb, size_t gb_len); + const u8 *gb, size_t gb_len); int nfc_tm_deactivated(struct nfc_dev *dev); int nfc_tm_data_received(struct nfc_dev *dev, struct sk_buff *skb); diff --git a/include/net/pkt_sched.h b/include/net/pkt_sched.h index 1a6ac924266d..83a16f3bd6e6 100644 --- a/include/net/pkt_sched.h +++ b/include/net/pkt_sched.h @@ -124,12 +124,14 @@ static inline void qdisc_run(struct Qdisc *q) } } +extern const struct nla_policy rtm_tca_policy[TCA_MAX + 1]; + /* Calculate maximal size of packet seen by hard_start_xmit routine of this device. */ static inline unsigned int psched_mtu(const struct net_device *dev) { - return dev->mtu + dev->hard_header_len; + return READ_ONCE(dev->mtu) + dev->hard_header_len; } static inline struct net *qdisc_net(struct Qdisc *q) diff --git a/include/net/scm.h b/include/net/scm.h index 1ce365f4c256..585adc1346bd 100644 --- a/include/net/scm.h +++ b/include/net/scm.h @@ -105,16 +105,27 @@ static inline void scm_passec(struct socket *sock, struct msghdr *msg, struct sc } } } + +static inline bool scm_has_secdata(struct socket *sock) +{ + return test_bit(SOCK_PASSSEC, &sock->flags); +} #else static inline void scm_passec(struct socket *sock, struct msghdr *msg, struct scm_cookie *scm) { } + +static inline bool scm_has_secdata(struct socket *sock) +{ + return false; +} #endif /* CONFIG_SECURITY_NETWORK */ static __inline__ void scm_recv(struct socket *sock, struct msghdr *msg, struct scm_cookie *scm, int flags) { if (!msg->msg_control) { - if (test_bit(SOCK_PASSCRED, &sock->flags) || scm->fp) + if (test_bit(SOCK_PASSCRED, &sock->flags) || scm->fp || + scm_has_secdata(sock)) msg->msg_flags |= MSG_CTRUNC; scm_destroy(scm); return; diff --git a/include/net/sock.h b/include/net/sock.h index 30315a03b4ab..81888513b3b9 100644 --- a/include/net/sock.h +++ b/include/net/sock.h @@ -312,6 +312,7 @@ struct sock_common { * @sk_cgrp_data: cgroup data for this cgroup * @sk_memcg: this socket's memory cgroup association * @sk_write_pending: a write to stream socket waits to start + * @sk_wait_pending: number of threads blocked on this socket * @sk_state_change: callback to indicate change in the state of the sock * @sk_data_ready: callback to indicate there is data to be processed * @sk_write_space: callback to indicate there is bf sending space available @@ -392,6 +393,7 @@ struct sock { unsigned int sk_napi_id; #endif int sk_rcvbuf; + int sk_wait_pending; struct sk_filter __rcu *sk_filter; union { @@ -986,8 +988,12 @@ static inline void sock_rps_record_flow(const struct sock *sk) * OR an additional socket flag * [1] : sk_state and sk_prot are in the same cache line. */ - if (sk->sk_state == TCP_ESTABLISHED) - sock_rps_record_flow_hash(sk->sk_rxhash); + if (sk->sk_state == TCP_ESTABLISHED) { + /* This READ_ONCE() is paired with the WRITE_ONCE() + * from sock_rps_save_rxhash() and sock_rps_reset_rxhash(). + */ + sock_rps_record_flow_hash(READ_ONCE(sk->sk_rxhash)); + } } #endif } @@ -996,20 +1002,25 @@ static inline void sock_rps_save_rxhash(struct sock *sk, const struct sk_buff *skb) { #ifdef CONFIG_RPS - if (unlikely(sk->sk_rxhash != skb->hash)) - sk->sk_rxhash = skb->hash; + /* The following WRITE_ONCE() is paired with the READ_ONCE() + * here, and another one in sock_rps_record_flow(). + */ + if (unlikely(READ_ONCE(sk->sk_rxhash) != skb->hash)) + WRITE_ONCE(sk->sk_rxhash, skb->hash); #endif } static inline void sock_rps_reset_rxhash(struct sock *sk) { #ifdef CONFIG_RPS - sk->sk_rxhash = 0; + /* Paired with READ_ONCE() in sock_rps_record_flow() */ + WRITE_ONCE(sk->sk_rxhash, 0); #endif } #define sk_wait_event(__sk, __timeo, __condition, __wait) \ ({ int __rc; \ + __sk->sk_wait_pending++; \ release_sock(__sk); \ __rc = __condition; \ if (!__rc) { \ @@ -1019,6 +1030,7 @@ static inline void sock_rps_reset_rxhash(struct sock *sk) } \ sched_annotate_sleep(); \ lock_sock(__sk); \ + __sk->sk_wait_pending--; \ __rc = __condition; \ __rc; \ }) @@ -1130,7 +1142,7 @@ struct proto { unsigned int inuse_idx; #endif - bool (*stream_memory_free)(const struct sock *sk); + bool (*stream_memory_free)(const struct sock *sk, int wake); bool (*stream_memory_read)(const struct sock *sk); /* Memory pressure */ void (*enter_memory_pressure)(struct sock *sk); @@ -1140,6 +1152,7 @@ struct proto { /* * Pressure flag: try to collapse. * Technical note: it is used by multiple contexts non atomically. + * Make sure to use READ_ONCE()/WRITE_ONCE() for all reads/writes. * All the __sk_mem_schedule() is of this nature: accounting * is strict, actions are advisory and have some latency. */ @@ -1212,19 +1225,29 @@ static inline void sk_refcnt_debug_release(const struct sock *sk) #define sk_refcnt_debug_release(sk) do { } while (0) #endif /* SOCK_REFCNT_DEBUG */ -static inline bool sk_stream_memory_free(const struct sock *sk) +static inline bool __sk_stream_memory_free(const struct sock *sk, int wake) { if (sk->sk_wmem_queued >= sk->sk_sndbuf) return false; return sk->sk_prot->stream_memory_free ? - sk->sk_prot->stream_memory_free(sk) : true; + sk->sk_prot->stream_memory_free(sk, wake) : true; } -static inline bool sk_stream_is_writeable(const struct sock *sk) +static inline bool sk_stream_memory_free(const struct sock *sk) +{ + return __sk_stream_memory_free(sk, 0); +} + +static inline bool __sk_stream_is_writeable(const struct sock *sk, int wake) { return sk_stream_wspace(sk) >= sk_stream_min_wspace(sk) && - sk_stream_memory_free(sk); + __sk_stream_memory_free(sk, wake); +} + +static inline bool sk_stream_is_writeable(const struct sock *sk) +{ + return __sk_stream_is_writeable(sk, 0); } static inline int sk_under_cgroup_hierarchy(struct sock *sk, @@ -1243,6 +1266,12 @@ static inline bool sk_has_memory_pressure(const struct sock *sk) return sk->sk_prot->memory_pressure != NULL; } +static inline bool sk_under_global_memory_pressure(const struct sock *sk) +{ + return sk->sk_prot->memory_pressure && + !!READ_ONCE(*sk->sk_prot->memory_pressure); +} + static inline bool sk_under_memory_pressure(const struct sock *sk) { if (!sk->sk_prot->memory_pressure) @@ -1252,7 +1281,7 @@ static inline bool sk_under_memory_pressure(const struct sock *sk) mem_cgroup_under_socket_pressure(sk->sk_memcg)) return true; - return !!*sk->sk_prot->memory_pressure; + return !!READ_ONCE(*sk->sk_prot->memory_pressure); } static inline long @@ -1306,7 +1335,7 @@ proto_memory_pressure(struct proto *prot) { if (!prot->memory_pressure) return false; - return !!*prot->memory_pressure; + return !!READ_ONCE(*prot->memory_pressure); } @@ -1730,21 +1759,33 @@ static inline void sk_tx_queue_set(struct sock *sk, int tx_queue) /* sk_tx_queue_mapping accept only upto a 16-bit value */ if (WARN_ON_ONCE((unsigned short)tx_queue >= USHRT_MAX)) return; - sk->sk_tx_queue_mapping = tx_queue; + /* Paired with READ_ONCE() in sk_tx_queue_get() and + * other WRITE_ONCE() because socket lock might be not held. + */ + WRITE_ONCE(sk->sk_tx_queue_mapping, tx_queue); } #define NO_QUEUE_MAPPING USHRT_MAX static inline void sk_tx_queue_clear(struct sock *sk) { - sk->sk_tx_queue_mapping = NO_QUEUE_MAPPING; + /* Paired with READ_ONCE() in sk_tx_queue_get() and + * other WRITE_ONCE() because socket lock might be not held. + */ + WRITE_ONCE(sk->sk_tx_queue_mapping, NO_QUEUE_MAPPING); } static inline int sk_tx_queue_get(const struct sock *sk) { - if (sk && sk->sk_tx_queue_mapping != NO_QUEUE_MAPPING) - return sk->sk_tx_queue_mapping; + if (sk) { + /* Paired with WRITE_ONCE() in sk_tx_queue_clear() + * and sk_tx_queue_set(). + */ + int val = READ_ONCE(sk->sk_tx_queue_mapping); + if (val != NO_QUEUE_MAPPING) + return val; + } return -1; } @@ -1818,6 +1859,7 @@ static inline void sock_graft(struct sock *sk, struct socket *parent) } kuid_t sock_i_uid(struct sock *sk); +unsigned long __sock_i_ino(struct sock *sk); unsigned long sock_i_ino(struct sock *sk); static inline kuid_t sock_net_uid(const struct net *net, const struct sock *sk) @@ -1876,7 +1918,7 @@ static inline void dst_negative_advice(struct sock *sk) if (ndst != dst) { rcu_assign_pointer(sk->sk_dst_cache, ndst); sk_tx_queue_clear(sk); - sk->sk_dst_pending_confirm = 0; + WRITE_ONCE(sk->sk_dst_pending_confirm, 0); } } } @@ -1887,7 +1929,7 @@ __sk_dst_set(struct sock *sk, struct dst_entry *dst) struct dst_entry *old_dst; sk_tx_queue_clear(sk); - sk->sk_dst_pending_confirm = 0; + WRITE_ONCE(sk->sk_dst_pending_confirm, 0); old_dst = rcu_dereference_protected(sk->sk_dst_cache, lockdep_sock_is_held(sk)); rcu_assign_pointer(sk->sk_dst_cache, dst); @@ -1900,7 +1942,7 @@ sk_dst_set(struct sock *sk, struct dst_entry *dst) struct dst_entry *old_dst; sk_tx_queue_clear(sk); - sk->sk_dst_pending_confirm = 0; + WRITE_ONCE(sk->sk_dst_pending_confirm, 0); old_dst = xchg((__force struct dst_entry **)&sk->sk_dst_cache, dst); dst_release(old_dst); } @@ -2134,6 +2176,19 @@ static inline void skb_set_owner_r(struct sk_buff *skb, struct sock *sk) sk_mem_charge(sk, skb->truesize); } +static inline struct sk_buff *skb_clone_and_charge_r(struct sk_buff *skb, struct sock *sk) +{ + skb = skb_clone(skb, sk_gfp_mask(sk, GFP_ATOMIC)); + if (skb) { + if (sk_rmem_schedule(sk, skb, skb->truesize)) { + skb_set_owner_r(skb, sk); + return skb; + } + __kfree_skb(skb); + } + return NULL; +} + void sk_reset_timer(struct sock *sk, struct timer_list *timer, unsigned long expires); @@ -2393,7 +2448,7 @@ static inline void sock_recv_ts_and_drops(struct msghdr *msg, struct sock *sk, __sock_recv_ts_and_drops(msg, sk, skb); else if (unlikely(sock_flag(sk, SOCK_TIMESTAMP))) sock_write_timestamp(sk, skb->tstamp); - else if (unlikely(sk->sk_stamp == SK_DEFAULT_STAMP)) + else if (unlikely(sock_read_timestamp(sk) == SK_DEFAULT_STAMP)) sock_write_timestamp(sk, 0); } diff --git a/include/net/tcp.h b/include/net/tcp.h index 9a154fe06c60..49da4d4a3c3d 100644 --- a/include/net/tcp.h +++ b/include/net/tcp.h @@ -128,6 +128,7 @@ void tcp_time_wait(struct sock *sk, int state, int timeo); * to combine FIN-WAIT-2 timeout with * TIME-WAIT timer. */ +#define TCP_FIN_TIMEOUT_MAX (120 * HZ) /* max TCP_LINGER2 value (two minutes) */ #define TCP_DELACK_MAX ((unsigned)(HZ/5)) /* maximal time to delay before sending an ACK */ #if HZ >= 100 @@ -140,6 +141,9 @@ void tcp_time_wait(struct sock *sk, int state, int timeo); #define TCP_RTO_MAX ((unsigned)(120*HZ)) #define TCP_RTO_MIN ((unsigned)(HZ/5)) #define TCP_TIMEOUT_MIN (2U) /* Min timeout for TCP timers in jiffies */ + +#define TCP_TIMEOUT_MIN_US (2*USEC_PER_MSEC) /* Min TCP timeout in microsecs */ + #define TCP_TIMEOUT_INIT ((unsigned)(1*HZ)) /* RFC6298 2.1 initial RTO value */ #define TCP_TIMEOUT_FALLBACK ((unsigned)(3*HZ)) /* RFC 1122 initial RTO value, now * used as a fallback RTO for the @@ -345,13 +349,14 @@ ssize_t tcp_splice_read(struct socket *sk, loff_t *ppos, struct pipe_inode_info *pipe, size_t len, unsigned int flags); -void tcp_enter_quickack_mode(struct sock *sk, unsigned int max_quickacks); -static inline void tcp_dec_quickack_mode(struct sock *sk, - const unsigned int pkts) +static inline void tcp_dec_quickack_mode(struct sock *sk) { struct inet_connection_sock *icsk = inet_csk(sk); if (icsk->icsk_ack.quick) { + /* How many ACKs S/ACKing new data have we sent? */ + const unsigned int pkts = inet_csk_ack_scheduled(sk) ? 1 : 0; + if (pkts >= icsk->icsk_ack.quick) { icsk->icsk_ack.quick = 0; /* Leaving quickack mode we deflate ATO. */ @@ -389,6 +394,7 @@ void tcp_update_metrics(struct sock *sk); void tcp_init_metrics(struct sock *sk); void tcp_metrics_init(void); bool tcp_peer_is_proven(struct request_sock *req, struct dst_entry *dst); +void __tcp_close(struct sock *sk, long timeout); void tcp_close(struct sock *sk, long timeout); void tcp_init_sock(struct sock *sk); void tcp_init_transfer(struct sock *sk, int bpf_op); @@ -1881,15 +1887,23 @@ void __tcp_v4_send_check(struct sk_buff *skb, __be32 saddr, __be32 daddr); static inline u32 tcp_notsent_lowat(const struct tcp_sock *tp) { struct net *net = sock_net((struct sock *)tp); - return tp->notsent_lowat ?: READ_ONCE(net->ipv4.sysctl_tcp_notsent_lowat); + u32 val; + + val = READ_ONCE(tp->notsent_lowat); + + return val ?: READ_ONCE(net->ipv4.sysctl_tcp_notsent_lowat); } -static inline bool tcp_stream_memory_free(const struct sock *sk) +/* @wake is one when sk_stream_write_space() calls us. + * This sends EPOLLOUT only if notsent_bytes is half the limit. + * This mimics the strategy used in sock_def_write_space(). + */ +static inline bool tcp_stream_memory_free(const struct sock *sk, int wake) { const struct tcp_sock *tp = tcp_sk(sk); u32 notsent_bytes = READ_ONCE(tp->write_seq) - tp->snd_nxt; - return notsent_bytes < tcp_notsent_lowat(tp); + return (notsent_bytes << wake) < tcp_notsent_lowat(tp); } #ifdef CONFIG_PROC_FS diff --git a/include/net/udp.h b/include/net/udp.h index 618c83bea50d..48d881224524 100644 --- a/include/net/udp.h +++ b/include/net/udp.h @@ -254,7 +254,7 @@ static inline int udp_rqueue_get(struct sock *sk) } /* net/ipv4/udp.c */ -void udp_destruct_sock(struct sock *sk); +void udp_destruct_common(struct sock *sk); void skb_consume_udp(struct sock *sk, struct sk_buff *skb, int len); int __udp_enqueue_schedule_skb(struct sock *sk, struct sk_buff *skb); void udp_skb_destructor(struct sock *sk, struct sk_buff *skb); diff --git a/include/net/udplite.h b/include/net/udplite.h index 9185e45b997f..c59ba86668af 100644 --- a/include/net/udplite.h +++ b/include/net/udplite.h @@ -24,14 +24,6 @@ static __inline__ int udplite_getfrag(void *from, char *to, int offset, return copy_from_iter_full(to, len, &msg->msg_iter) ? 0 : -EFAULT; } -/* Designate sk as UDP-Lite socket */ -static inline int udplite_sk_init(struct sock *sk) -{ - udp_init_sock(sk); - udp_sk(sk)->pcflag = UDPLITE_BIT; - return 0; -} - /* * Checksumming routines */ |