diff options
Diffstat (limited to 'include/net')
53 files changed, 1300 insertions, 566 deletions
diff --git a/include/net/addrconf.h b/include/net/addrconf.h index 80456f72d70a..def59d3a34d5 100644 --- a/include/net/addrconf.h +++ b/include/net/addrconf.h @@ -142,6 +142,7 @@ void ipv6_mc_unmap(struct inet6_dev *idev); void ipv6_mc_remap(struct inet6_dev *idev); void ipv6_mc_init_dev(struct inet6_dev *idev); void ipv6_mc_destroy_dev(struct inet6_dev *idev); +int ipv6_mc_check_mld(struct sk_buff *skb, struct sk_buff **skb_trimmed); void addrconf_dad_failure(struct inet6_ifaddr *ifp); bool ipv6_chk_mcast_addr(struct net_device *dev, const struct in6_addr *group, diff --git a/include/net/af_unix.h b/include/net/af_unix.h index a175ba4a7adb..4a167b30a12f 100644 --- a/include/net/af_unix.h +++ b/include/net/af_unix.h @@ -39,7 +39,6 @@ struct unix_skb_parms { }; #define UNIXCB(skb) (*(struct unix_skb_parms *)&((skb)->cb)) -#define UNIXSID(skb) (&UNIXCB((skb)).secid) #define unix_state_lock(s) spin_lock(&unix_sk(s)->lock) #define unix_state_unlock(s) spin_unlock(&unix_sk(s)->lock) diff --git a/include/net/af_vsock.h b/include/net/af_vsock.h index 172632dd9930..db639a4c5ab8 100644 --- a/include/net/af_vsock.h +++ b/include/net/af_vsock.h @@ -74,7 +74,7 @@ void vsock_pending_work(struct work_struct *work); struct sock *__vsock_create(struct net *net, struct socket *sock, struct sock *parent, - gfp_t priority, unsigned short type); + gfp_t priority, unsigned short type, int kern); /**** TRANSPORT ****/ diff --git a/include/net/ax25.h b/include/net/ax25.h index 16a923a3a43a..e602f8177ebf 100644 --- a/include/net/ax25.h +++ b/include/net/ax25.h @@ -13,6 +13,7 @@ #include <linux/slab.h> #include <linux/atomic.h> #include <net/neighbour.h> +#include <net/sock.h> #define AX25_T1CLAMPLO 1 #define AX25_T1CLAMPHI (30 * HZ) @@ -246,7 +247,20 @@ typedef struct ax25_cb { atomic_t refcount; } ax25_cb; -#define ax25_sk(__sk) ((ax25_cb *)(__sk)->sk_protinfo) +struct ax25_sock { + struct sock sk; + struct ax25_cb *cb; +}; + +static inline struct ax25_sock *ax25_sk(const struct sock *sk) +{ + return (struct ax25_sock *) sk; +} + +static inline struct ax25_cb *sk_to_ax25(const struct sock *sk) +{ + return ax25_sk(sk)->cb; +} #define ax25_for_each(__ax25, list) \ hlist_for_each_entry(__ax25, list, ax25_node) diff --git a/include/net/bluetooth/bluetooth.h b/include/net/bluetooth/bluetooth.h index 7dba80546f16..38d8a34d3589 100644 --- a/include/net/bluetooth/bluetooth.h +++ b/include/net/bluetooth/bluetooth.h @@ -365,8 +365,19 @@ extern struct dentry *bt_debugfs; int l2cap_init(void); void l2cap_exit(void); +#if IS_ENABLED(CONFIG_BT_BREDR) int sco_init(void); void sco_exit(void); +#else +static inline int sco_init(void) +{ + return 0; +} + +static inline void sco_exit(void) +{ +} +#endif int mgmt_init(void); void mgmt_exit(void); diff --git a/include/net/bluetooth/hci.h b/include/net/bluetooth/hci.h index d95da83cb1b0..7ca6690355ea 100644 --- a/include/net/bluetooth/hci.h +++ b/include/net/bluetooth/hci.h @@ -1202,6 +1202,16 @@ struct hci_rp_read_clock { __le16 accuracy; } __packed; +#define HCI_OP_READ_ENC_KEY_SIZE 0x1408 +struct hci_cp_read_enc_key_size { + __le16 handle; +} __packed; +struct hci_rp_read_enc_key_size { + __u8 status; + __le16 handle; + __u8 key_size; +} __packed; + #define HCI_OP_READ_LOCAL_AMP_INFO 0x1409 struct hci_rp_read_local_amp_info { __u8 status; diff --git a/include/net/bluetooth/hci_core.h b/include/net/bluetooth/hci_core.h index a056c2bfeb81..3bd618d3e55d 100644 --- a/include/net/bluetooth/hci_core.h +++ b/include/net/bluetooth/hci_core.h @@ -156,16 +156,22 @@ struct oob_data { }; struct adv_info { - struct delayed_work timeout_exp; + struct list_head list; + bool pending; __u8 instance; __u32 flags; __u16 timeout; + __u16 remaining_time; + __u16 duration; __u16 adv_data_len; __u8 adv_data[HCI_MAX_AD_LENGTH]; __u16 scan_rsp_len; __u8 scan_rsp_data[HCI_MAX_AD_LENGTH]; }; +#define HCI_MAX_ADV_INSTANCES 5 +#define HCI_DEFAULT_ADV_DURATION 2 + #define HCI_MAX_SHORT_NAME_LENGTH 10 /* Default LE RPA expiry time, 15 minutes */ @@ -373,7 +379,11 @@ struct hci_dev { __u8 scan_rsp_data[HCI_MAX_AD_LENGTH]; __u8 scan_rsp_data_len; - struct adv_info adv_instance; + struct list_head adv_instances; + unsigned int adv_instance_cnt; + __u8 cur_adv_instance; + __u16 adv_instance_timeout; + struct delayed_work adv_instance_expire; __u8 irk[16]; __u32 rpa_timeout; @@ -530,10 +540,22 @@ extern struct mutex hci_cb_list_lock; /* ----- HCI interface to upper protocols ----- */ int l2cap_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr); int l2cap_disconn_ind(struct hci_conn *hcon); -int l2cap_recv_acldata(struct hci_conn *hcon, struct sk_buff *skb, u16 flags); +void l2cap_recv_acldata(struct hci_conn *hcon, struct sk_buff *skb, u16 flags); +#if IS_ENABLED(CONFIG_BT_BREDR) int sco_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, __u8 *flags); -int sco_recv_scodata(struct hci_conn *hcon, struct sk_buff *skb); +void sco_recv_scodata(struct hci_conn *hcon, struct sk_buff *skb); +#else +static inline int sco_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, + __u8 *flags) +{ + return 0; +} + +static inline void sco_recv_scodata(struct hci_conn *hcon, struct sk_buff *skb) +{ +} +#endif /* ----- Inquiry cache ----- */ #define INQUIRY_CACHE_AGE_MAX (HZ*30) /* 30 seconds */ @@ -561,11 +583,6 @@ static inline void hci_discovery_filter_clear(struct hci_dev *hdev) hdev->discovery.scan_duration = 0; } -static inline void adv_info_init(struct hci_dev *hdev) -{ - memset(&hdev->adv_instance, 0, sizeof(struct adv_info)); -} - bool hci_discovery_active(struct hci_dev *hdev); void hci_discovery_set_state(struct hci_dev *hdev, int state); @@ -1007,6 +1024,15 @@ int hci_add_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr, int hci_remove_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 bdaddr_type); +void hci_adv_instances_clear(struct hci_dev *hdev); +struct adv_info *hci_find_adv_instance(struct hci_dev *hdev, u8 instance); +struct adv_info *hci_get_next_instance(struct hci_dev *hdev, u8 instance); +int hci_add_adv_instance(struct hci_dev *hdev, u8 instance, u32 flags, + u16 adv_data_len, u8 *adv_data, + u16 scan_rsp_len, u8 *scan_rsp_data, + u16 timeout, u16 duration); +int hci_remove_adv_instance(struct hci_dev *hdev, u8 instance); + void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb); int hci_recv_frame(struct hci_dev *hdev, struct sk_buff *skb); @@ -1350,6 +1376,7 @@ void mgmt_set_powered_failed(struct hci_dev *hdev, int err); int mgmt_powered(struct hci_dev *hdev, u8 powered); int mgmt_update_adv_data(struct hci_dev *hdev); void mgmt_discoverable_timeout(struct hci_dev *hdev); +void mgmt_adv_timeout_expired(struct hci_dev *hdev); void mgmt_new_link_key(struct hci_dev *hdev, struct link_key *key, bool persistent); void mgmt_device_connected(struct hci_dev *hdev, struct hci_conn *conn, @@ -1408,7 +1435,7 @@ void mgmt_smp_complete(struct hci_conn *conn, bool complete); u8 hci_le_conn_update(struct hci_conn *conn, u16 min, u16 max, u16 latency, u16 to_multiplier); void hci_le_start_enc(struct hci_conn *conn, __le16 ediv, __le64 rand, - __u8 ltk[16]); + __u8 ltk[16], __u8 key_size); void hci_copy_identity_address(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 *bdaddr_type); diff --git a/include/net/bond_options.h b/include/net/bond_options.h index ea6546d2c946..c28aca25320e 100644 --- a/include/net/bond_options.h +++ b/include/net/bond_options.h @@ -63,6 +63,9 @@ enum { BOND_OPT_LP_INTERVAL, BOND_OPT_SLAVES, BOND_OPT_TLB_DYNAMIC_LB, + BOND_OPT_AD_ACTOR_SYS_PRIO, + BOND_OPT_AD_ACTOR_SYSTEM, + BOND_OPT_AD_USER_PORT_KEY, BOND_OPT_LAST }; diff --git a/include/net/bonding.h b/include/net/bonding.h index 78ed135e9dea..20defc0353d1 100644 --- a/include/net/bonding.h +++ b/include/net/bonding.h @@ -136,6 +136,9 @@ struct bond_params { int packets_per_slave; int tlb_dynamic_lb; struct reciprocal_value reciprocal_packets_per_slave; + u16 ad_actor_sys_prio; + u16 ad_user_port_key; + u8 ad_actor_system[ETH_ALEN]; }; struct bond_parm_tbl { diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h index f8d6813cd5b2..a741678f24a2 100644 --- a/include/net/cfg80211.h +++ b/include/net/cfg80211.h @@ -111,7 +111,7 @@ enum ieee80211_band { * This may be due to the driver or due to regulatory bandwidth * restrictions. * @IEEE80211_CHAN_INDOOR_ONLY: see %NL80211_FREQUENCY_ATTR_INDOOR_ONLY - * @IEEE80211_CHAN_GO_CONCURRENT: see %NL80211_FREQUENCY_ATTR_GO_CONCURRENT + * @IEEE80211_CHAN_IR_CONCURRENT: see %NL80211_FREQUENCY_ATTR_IR_CONCURRENT * @IEEE80211_CHAN_NO_20MHZ: 20 MHz bandwidth is not permitted * on this channel. * @IEEE80211_CHAN_NO_10MHZ: 10 MHz bandwidth is not permitted @@ -129,7 +129,7 @@ enum ieee80211_channel_flags { IEEE80211_CHAN_NO_80MHZ = 1<<7, IEEE80211_CHAN_NO_160MHZ = 1<<8, IEEE80211_CHAN_INDOOR_ONLY = 1<<9, - IEEE80211_CHAN_GO_CONCURRENT = 1<<10, + IEEE80211_CHAN_IR_CONCURRENT = 1<<10, IEEE80211_CHAN_NO_20MHZ = 1<<11, IEEE80211_CHAN_NO_10MHZ = 1<<12, }; @@ -4575,13 +4575,15 @@ void cfg80211_roamed_bss(struct net_device *dev, struct cfg80211_bss *bss, * @ie: information elements of the deauth/disassoc frame (may be %NULL) * @ie_len: length of IEs * @reason: reason code for the disconnection, set it to 0 if unknown + * @locally_generated: disconnection was requested locally * @gfp: allocation flags * * After it calls this function, the driver should enter an idle state * and not try to connect to any AP any more. */ void cfg80211_disconnected(struct net_device *dev, u16 reason, - const u8 *ie, size_t ie_len, gfp_t gfp); + const u8 *ie, size_t ie_len, + bool locally_generated, gfp_t gfp); /** * cfg80211_ready_on_channel - notification of remain_on_channel start diff --git a/include/net/cfg802154.h b/include/net/cfg802154.h index 6ea16c84293b..290a9a69af07 100644 --- a/include/net/cfg802154.h +++ b/include/net/cfg802154.h @@ -44,6 +44,8 @@ struct cfg802154_ops { int (*set_channel)(struct wpan_phy *wpan_phy, u8 page, u8 channel); int (*set_cca_mode)(struct wpan_phy *wpan_phy, const struct wpan_phy_cca *cca); + int (*set_cca_ed_level)(struct wpan_phy *wpan_phy, s32 ed_level); + int (*set_tx_power)(struct wpan_phy *wpan_phy, s32 power); int (*set_pan_id)(struct wpan_phy *wpan_phy, struct wpan_dev *wpan_dev, __le16 pan_id); int (*set_short_addr)(struct wpan_phy *wpan_phy, @@ -61,14 +63,66 @@ struct cfg802154_ops { struct wpan_dev *wpan_dev, bool mode); }; +static inline bool +wpan_phy_supported_bool(bool b, enum nl802154_supported_bool_states st) +{ + switch (st) { + case NL802154_SUPPORTED_BOOL_TRUE: + return b; + case NL802154_SUPPORTED_BOOL_FALSE: + return !b; + case NL802154_SUPPORTED_BOOL_BOTH: + return true; + default: + WARN_ON(1); + } + + return false; +} + +struct wpan_phy_supported { + u32 channels[IEEE802154_MAX_PAGE + 1], + cca_modes, cca_opts, iftypes; + enum nl802154_supported_bool_states lbt; + u8 min_minbe, max_minbe, min_maxbe, max_maxbe, + min_csma_backoffs, max_csma_backoffs; + s8 min_frame_retries, max_frame_retries; + size_t tx_powers_size, cca_ed_levels_size; + const s32 *tx_powers, *cca_ed_levels; +}; + struct wpan_phy_cca { enum nl802154_cca_modes mode; enum nl802154_cca_opts opt; }; -struct wpan_phy { - struct mutex pib_lock; +static inline bool +wpan_phy_cca_cmp(const struct wpan_phy_cca *a, const struct wpan_phy_cca *b) +{ + if (a->mode != b->mode) + return false; + + if (a->mode == NL802154_CCA_ENERGY_CARRIER) + return a->opt == b->opt; + return true; +} + +/** + * @WPAN_PHY_FLAG_TRANSMIT_POWER: Indicates that transceiver will support + * transmit power setting. + * @WPAN_PHY_FLAG_CCA_ED_LEVEL: Indicates that transceiver will support cca ed + * level setting. + * @WPAN_PHY_FLAG_CCA_MODE: Indicates that transceiver will support cca mode + * setting. + */ +enum wpan_phy_flags { + WPAN_PHY_FLAG_TXPOWER = BIT(1), + WPAN_PHY_FLAG_CCA_ED_LEVEL = BIT(2), + WPAN_PHY_FLAG_CCA_MODE = BIT(3), +}; + +struct wpan_phy { /* If multiple wpan_phys are registered and you're handed e.g. * a regular netdev with assigned ieee802154_ptr, you won't * know whether it points to a wpan_phy your driver has registered @@ -77,6 +131,8 @@ struct wpan_phy { */ const void *privid; + u32 flags; + /* * This is a PIB according to 802.15.4-2011. * We do not provide timing-related variables, as they @@ -84,12 +140,14 @@ struct wpan_phy { */ u8 current_channel; u8 current_page; - u32 channels_supported[IEEE802154_MAX_PAGE + 1]; - s8 transmit_power; + struct wpan_phy_supported supported; + /* current transmit_power in mBm */ + s32 transmit_power; struct wpan_phy_cca cca; __le64 perm_extended_addr; + /* current cca ed threshold in mBm */ s32 cca_ed_level; /* PHY depended MAC PIB values */ @@ -121,9 +179,9 @@ struct wpan_dev { __le64 extended_addr; /* MAC BSN field */ - u8 bsn; + atomic_t bsn; /* MAC DSN field */ - u8 dsn; + atomic_t dsn; u8 min_be; u8 max_be; diff --git a/include/net/checksum.h b/include/net/checksum.h index 0a55ac715077..2d1d73cb773e 100644 --- a/include/net/checksum.h +++ b/include/net/checksum.h @@ -122,7 +122,9 @@ static inline __wsum csum_partial_ext(const void *buff, int len, __wsum sum) static inline void csum_replace4(__sum16 *sum, __be32 from, __be32 to) { - *sum = csum_fold(csum_add(csum_sub(~csum_unfold(*sum), from), to)); + __wsum tmp = csum_sub(~csum_unfold(*sum), (__force __wsum)from); + + *sum = csum_fold(csum_add(tmp, (__force __wsum)to)); } /* Implements RFC 1624 (Incremental Internet Checksum) diff --git a/include/net/codel.h b/include/net/codel.h index 1e18005f7f65..267e70210061 100644 --- a/include/net/codel.h +++ b/include/net/codel.h @@ -7,7 +7,7 @@ * Copyright (C) 2011-2012 Kathleen Nichols <nichols@pollere.com> * Copyright (C) 2011-2012 Van Jacobson <van@pollere.net> * Copyright (C) 2012 Michael D. Taht <dave.taht@bufferbloat.net> - * Copyright (C) 2012 Eric Dumazet <edumazet@google.com> + * Copyright (C) 2012,2015 Eric Dumazet <edumazet@google.com> * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions @@ -119,12 +119,14 @@ static inline u32 codel_time_to_us(codel_time_t val) /** * struct codel_params - contains codel parameters * @target: target queue size (in time units) + * @ce_threshold: threshold for marking packets with ECN CE * @interval: width of moving time window * @mtu: device mtu, or minimal queue backlog in bytes. * @ecn: is Explicit Congestion Notification enabled */ struct codel_params { codel_time_t target; + codel_time_t ce_threshold; codel_time_t interval; u32 mtu; bool ecn; @@ -161,19 +163,24 @@ struct codel_vars { * @maxpacket: largest packet we've seen so far * @drop_count: temp count of dropped packets in dequeue() * ecn_mark: number of packets we ECN marked instead of dropping + * ce_mark: number of packets CE marked because sojourn time was above ce_threshold */ struct codel_stats { u32 maxpacket; u32 drop_count; u32 ecn_mark; + u32 ce_mark; }; +#define CODEL_DISABLED_THRESHOLD INT_MAX + static void codel_params_init(struct codel_params *params, const struct Qdisc *sch) { params->interval = MS2TIME(100); params->target = MS2TIME(5); params->mtu = psched_mtu(qdisc_dev(sch)); + params->ce_threshold = CODEL_DISABLED_THRESHOLD; params->ecn = false; } @@ -354,6 +361,9 @@ static struct sk_buff *codel_dequeue(struct Qdisc *sch, vars->rec_inv_sqrt); } end: + if (skb && codel_time_after(vars->ldelay, params->ce_threshold) && + INET_ECN_set_ce(skb)) + stats->ce_mark++; return skb; } #endif diff --git a/include/net/dst.h b/include/net/dst.h index 0fb99a26e973..2bc73f8a00a9 100644 --- a/include/net/dst.h +++ b/include/net/dst.h @@ -109,7 +109,6 @@ u32 *dst_cow_metrics_generic(struct dst_entry *dst, unsigned long old); extern const u32 dst_default_metrics[]; #define DST_METRICS_READ_ONLY 0x1UL -#define DST_METRICS_FORCE_OVERWRITE 0x2UL #define DST_METRICS_FLAGS 0x3UL #define __DST_METRICS_PTR(Y) \ ((u32 *)((Y) & ~DST_METRICS_FLAGS)) @@ -120,11 +119,6 @@ static inline bool dst_metrics_read_only(const struct dst_entry *dst) return dst->_metrics & DST_METRICS_READ_ONLY; } -static inline void dst_metrics_set_force_overwrite(struct dst_entry *dst) -{ - dst->_metrics |= DST_METRICS_FORCE_OVERWRITE; -} - void __dst_destroy_metrics_generic(struct dst_entry *dst, unsigned long old); static inline void dst_destroy_metrics_generic(struct dst_entry *dst) @@ -355,18 +349,6 @@ static inline void skb_tunnel_rx(struct sk_buff *skb, struct net_device *dev, __skb_tunnel_rx(skb, dev, net); } -/* Children define the path of the packet through the - * Linux networking. Thus, destinations are stackable. - */ - -static inline struct dst_entry *skb_dst_pop(struct sk_buff *skb) -{ - struct dst_entry *child = dst_clone(skb_dst(skb)->child); - - skb_dst_drop(skb); - return child; -} - int dst_discard_sk(struct sock *sk, struct sk_buff *skb); static inline int dst_discard(struct sk_buff *skb) { diff --git a/include/net/fib_rules.h b/include/net/fib_rules.h index 6d67383a5114..903a55efbffe 100644 --- a/include/net/fib_rules.h +++ b/include/net/fib_rules.h @@ -36,7 +36,8 @@ struct fib_lookup_arg { void *result; struct fib_rule *rule; int flags; -#define FIB_LOOKUP_NOREF 1 +#define FIB_LOOKUP_NOREF 1 +#define FIB_LOOKUP_IGNORE_LINKSTATE 2 }; struct fib_rules_ops { diff --git a/include/net/flow_dissector.h b/include/net/flow_dissector.h new file mode 100644 index 000000000000..1a8c22419936 --- /dev/null +++ b/include/net/flow_dissector.h @@ -0,0 +1,220 @@ +#ifndef _NET_FLOW_DISSECTOR_H +#define _NET_FLOW_DISSECTOR_H + +#include <linux/types.h> +#include <linux/skbuff.h> +#include <linux/in6.h> +#include <uapi/linux/if_ether.h> + +/** + * struct flow_dissector_key_control: + * @thoff: Transport header offset + */ +struct flow_dissector_key_control { + u16 thoff; + u16 addr_type; +}; + +/** + * struct flow_dissector_key_basic: + * @thoff: Transport header offset + * @n_proto: Network header protocol (eg. IPv4/IPv6) + * @ip_proto: Transport header protocol (eg. TCP/UDP) + */ +struct flow_dissector_key_basic { + __be16 n_proto; + u8 ip_proto; + u8 padding; +}; + +struct flow_dissector_key_tags { + u32 vlan_id:12, + flow_label:20; +}; + +struct flow_dissector_key_keyid { + __be32 keyid; +}; + +/** + * struct flow_dissector_key_ipv4_addrs: + * @src: source ip address + * @dst: destination ip address + */ +struct flow_dissector_key_ipv4_addrs { + /* (src,dst) must be grouped, in the same way than in IP header */ + __be32 src; + __be32 dst; +}; + +/** + * struct flow_dissector_key_ipv6_addrs: + * @src: source ip address + * @dst: destination ip address + */ +struct flow_dissector_key_ipv6_addrs { + /* (src,dst) must be grouped, in the same way than in IP header */ + struct in6_addr src; + struct in6_addr dst; +}; + +/** + * struct flow_dissector_key_tipc_addrs: + * @srcnode: source node address + */ +struct flow_dissector_key_tipc_addrs { + __be32 srcnode; +}; + +/** + * struct flow_dissector_key_addrs: + * @v4addrs: IPv4 addresses + * @v6addrs: IPv6 addresses + */ +struct flow_dissector_key_addrs { + union { + struct flow_dissector_key_ipv4_addrs v4addrs; + struct flow_dissector_key_ipv6_addrs v6addrs; + struct flow_dissector_key_tipc_addrs tipcaddrs; + }; +}; + +/** + * flow_dissector_key_tp_ports: + * @ports: port numbers of Transport header + * src: source port number + * dst: destination port number + */ +struct flow_dissector_key_ports { + union { + __be32 ports; + struct { + __be16 src; + __be16 dst; + }; + }; +}; + + +/** + * struct flow_dissector_key_eth_addrs: + * @src: source Ethernet address + * @dst: destination Ethernet address + */ +struct flow_dissector_key_eth_addrs { + /* (dst,src) must be grouped, in the same way than in ETH header */ + unsigned char dst[ETH_ALEN]; + unsigned char src[ETH_ALEN]; +}; + +enum flow_dissector_key_id { + FLOW_DISSECTOR_KEY_CONTROL, /* struct flow_dissector_key_control */ + FLOW_DISSECTOR_KEY_BASIC, /* struct flow_dissector_key_basic */ + FLOW_DISSECTOR_KEY_IPV4_ADDRS, /* struct flow_dissector_key_ipv4_addrs */ + FLOW_DISSECTOR_KEY_IPV6_ADDRS, /* struct flow_dissector_key_ipv6_addrs */ + FLOW_DISSECTOR_KEY_PORTS, /* struct flow_dissector_key_ports */ + FLOW_DISSECTOR_KEY_ETH_ADDRS, /* struct flow_dissector_key_eth_addrs */ + FLOW_DISSECTOR_KEY_TIPC_ADDRS, /* struct flow_dissector_key_tipc_addrs */ + FLOW_DISSECTOR_KEY_VLANID, /* struct flow_dissector_key_flow_tags */ + FLOW_DISSECTOR_KEY_FLOW_LABEL, /* struct flow_dissector_key_flow_tags */ + FLOW_DISSECTOR_KEY_GRE_KEYID, /* struct flow_dissector_key_keyid */ + FLOW_DISSECTOR_KEY_MPLS_ENTROPY, /* struct flow_dissector_key_keyid */ + + FLOW_DISSECTOR_KEY_MAX, +}; + +struct flow_dissector_key { + enum flow_dissector_key_id key_id; + size_t offset; /* offset of struct flow_dissector_key_* + in target the struct */ +}; + +struct flow_dissector { + unsigned int used_keys; /* each bit repesents presence of one key id */ + unsigned short int offset[FLOW_DISSECTOR_KEY_MAX]; +}; + +void skb_flow_dissector_init(struct flow_dissector *flow_dissector, + const struct flow_dissector_key *key, + unsigned int key_count); + +bool __skb_flow_dissect(const struct sk_buff *skb, + struct flow_dissector *flow_dissector, + void *target_container, + void *data, __be16 proto, int nhoff, int hlen); + +static inline bool skb_flow_dissect(const struct sk_buff *skb, + struct flow_dissector *flow_dissector, + void *target_container) +{ + return __skb_flow_dissect(skb, flow_dissector, target_container, + NULL, 0, 0, 0); +} + +struct flow_keys { + struct flow_dissector_key_control control; +#define FLOW_KEYS_HASH_START_FIELD basic + struct flow_dissector_key_basic basic; + struct flow_dissector_key_tags tags; + struct flow_dissector_key_keyid keyid; + struct flow_dissector_key_ports ports; + struct flow_dissector_key_addrs addrs; +}; + +#define FLOW_KEYS_HASH_OFFSET \ + offsetof(struct flow_keys, FLOW_KEYS_HASH_START_FIELD) + +__be32 flow_get_u32_src(const struct flow_keys *flow); +__be32 flow_get_u32_dst(const struct flow_keys *flow); + +extern struct flow_dissector flow_keys_dissector; +extern struct flow_dissector flow_keys_buf_dissector; + +static inline bool skb_flow_dissect_flow_keys(const struct sk_buff *skb, + struct flow_keys *flow) +{ + memset(flow, 0, sizeof(*flow)); + return __skb_flow_dissect(skb, &flow_keys_dissector, flow, + NULL, 0, 0, 0); +} + +static inline bool skb_flow_dissect_flow_keys_buf(struct flow_keys *flow, + void *data, __be16 proto, + int nhoff, int hlen) +{ + memset(flow, 0, sizeof(*flow)); + return __skb_flow_dissect(NULL, &flow_keys_buf_dissector, flow, + data, proto, nhoff, hlen); +} + +__be32 __skb_flow_get_ports(const struct sk_buff *skb, int thoff, u8 ip_proto, + void *data, int hlen_proto); + +static inline __be32 skb_flow_get_ports(const struct sk_buff *skb, + int thoff, u8 ip_proto) +{ + return __skb_flow_get_ports(skb, thoff, ip_proto, NULL, 0); +} + +u32 flow_hash_from_keys(struct flow_keys *keys); +void __skb_get_hash(struct sk_buff *skb); +u32 skb_get_poff(const struct sk_buff *skb); +u32 __skb_get_poff(const struct sk_buff *skb, void *data, + const struct flow_keys *keys, int hlen); + +/* struct flow_keys_digest: + * + * This structure is used to hold a digest of the full flow keys. This is a + * larger "hash" of a flow to allow definitively matching specific flows where + * the 32 bit skb->hash is not large enough. The size is limited to 16 bytes so + * that it can by used in CB of skb (see sch_choke for an example). + */ +#define FLOW_KEYS_DIGEST_LEN 16 +struct flow_keys_digest { + u8 data[FLOW_KEYS_DIGEST_LEN]; +}; + +void make_flow_keys_digest(struct flow_keys_digest *digest, + const struct flow_keys *flow); + +#endif diff --git a/include/net/flow_keys.h b/include/net/flow_keys.h deleted file mode 100644 index dc8fd81412bf..000000000000 --- a/include/net/flow_keys.h +++ /dev/null @@ -1,45 +0,0 @@ -#ifndef _NET_FLOW_KEYS_H -#define _NET_FLOW_KEYS_H - -/* struct flow_keys: - * @src: source ip address in case of IPv4 - * For IPv6 it contains 32bit hash of src address - * @dst: destination ip address in case of IPv4 - * For IPv6 it contains 32bit hash of dst address - * @ports: port numbers of Transport header - * port16[0]: src port number - * port16[1]: dst port number - * @thoff: Transport header offset - * @n_proto: Network header protocol (eg. IPv4/IPv6) - * @ip_proto: Transport header protocol (eg. TCP/UDP) - * All the members, except thoff, are in network byte order. - */ -struct flow_keys { - /* (src,dst) must be grouped, in the same way than in IP header */ - __be32 src; - __be32 dst; - union { - __be32 ports; - __be16 port16[2]; - }; - u16 thoff; - __be16 n_proto; - u8 ip_proto; -}; - -bool __skb_flow_dissect(const struct sk_buff *skb, struct flow_keys *flow, - void *data, __be16 proto, int nhoff, int hlen); -static inline bool skb_flow_dissect(const struct sk_buff *skb, struct flow_keys *flow) -{ - return __skb_flow_dissect(skb, flow, NULL, 0, 0, 0); -} -__be32 __skb_flow_get_ports(const struct sk_buff *skb, int thoff, u8 ip_proto, - void *data, int hlen_proto); -static inline __be32 skb_flow_get_ports(const struct sk_buff *skb, int thoff, u8 ip_proto) -{ - return __skb_flow_get_ports(skb, thoff, ip_proto, NULL, 0); -} -u32 flow_hash_from_keys(struct flow_keys *keys); -unsigned int flow_get_hlen(const unsigned char *data, unsigned int max_len, - __be16 protocol); -#endif diff --git a/include/net/geneve.h b/include/net/geneve.h index 14fb8d3390b4..2a0543a1899d 100644 --- a/include/net/geneve.h +++ b/include/net/geneve.h @@ -62,6 +62,11 @@ struct genevehdr { struct geneve_opt options[]; }; +static inline struct genevehdr *geneve_hdr(const struct sk_buff *skb) +{ + return (struct genevehdr *)(udp_hdr(skb) + 1); +} + #ifdef CONFIG_INET struct geneve_sock; diff --git a/include/net/ieee802154_netdev.h b/include/net/ieee802154_netdev.h index 94a297052442..2c10a9f0c6d9 100644 --- a/include/net/ieee802154_netdev.h +++ b/include/net/ieee802154_netdev.h @@ -346,15 +346,15 @@ struct ieee802154_mac_params { struct wpan_phy; enum { - IEEE802154_LLSEC_PARAM_ENABLED = 1 << 0, - IEEE802154_LLSEC_PARAM_FRAME_COUNTER = 1 << 1, - IEEE802154_LLSEC_PARAM_OUT_LEVEL = 1 << 2, - IEEE802154_LLSEC_PARAM_OUT_KEY = 1 << 3, - IEEE802154_LLSEC_PARAM_KEY_SOURCE = 1 << 4, - IEEE802154_LLSEC_PARAM_PAN_ID = 1 << 5, - IEEE802154_LLSEC_PARAM_HWADDR = 1 << 6, - IEEE802154_LLSEC_PARAM_COORD_HWADDR = 1 << 7, - IEEE802154_LLSEC_PARAM_COORD_SHORTADDR = 1 << 8, + IEEE802154_LLSEC_PARAM_ENABLED = BIT(0), + IEEE802154_LLSEC_PARAM_FRAME_COUNTER = BIT(1), + IEEE802154_LLSEC_PARAM_OUT_LEVEL = BIT(2), + IEEE802154_LLSEC_PARAM_OUT_KEY = BIT(3), + IEEE802154_LLSEC_PARAM_KEY_SOURCE = BIT(4), + IEEE802154_LLSEC_PARAM_PAN_ID = BIT(5), + IEEE802154_LLSEC_PARAM_HWADDR = BIT(6), + IEEE802154_LLSEC_PARAM_COORD_HWADDR = BIT(7), + IEEE802154_LLSEC_PARAM_COORD_SHORTADDR = BIT(8), }; struct ieee802154_llsec_ops { @@ -422,16 +422,6 @@ struct ieee802154_mlme_ops { struct ieee802154_mac_params *params); struct ieee802154_llsec_ops *llsec; - - /* The fields below are required. */ - - /* - * FIXME: these should become the part of PIB/MIB interface. - * However we still don't have IB interface of any kind - */ - __le16 (*get_pan_id)(const struct net_device *dev); - __le16 (*get_short_addr)(const struct net_device *dev); - u8 (*get_dsn)(const struct net_device *dev); }; static inline struct ieee802154_mlme_ops * @@ -440,10 +430,4 @@ ieee802154_mlme_ops(const struct net_device *dev) return dev->ml_priv; } -static inline struct ieee802154_reduced_mlme_ops * -ieee802154_reduced_mlme_ops(const struct net_device *dev) -{ - return dev->ml_priv; -} - #endif diff --git a/include/net/inet_common.h b/include/net/inet_common.h index 4a92423eefa5..279f83591971 100644 --- a/include/net/inet_common.h +++ b/include/net/inet_common.h @@ -41,7 +41,7 @@ int inet_recv_error(struct sock *sk, struct msghdr *msg, int len, static inline void inet_ctl_sock_destroy(struct sock *sk) { - sk_release_kernel(sk); + sock_release(sk->sk_socket); } #endif diff --git a/include/net/inet_frag.h b/include/net/inet_frag.h index 8d1765577acc..e1300b3dd597 100644 --- a/include/net/inet_frag.h +++ b/include/net/inet_frag.h @@ -43,7 +43,7 @@ enum { * @len: total length of the original datagram * @meat: length of received fragments so far * @flags: fragment queue flags - * @max_size: (ipv4 only) maximum received fragment size with IP_DF set + * @max_size: maximum received fragment size * @net: namespace that this frag belongs to */ struct inet_frag_queue { diff --git a/include/net/inet_hashtables.h b/include/net/inet_hashtables.h index 73fe0f9525d9..b73c88a19dd4 100644 --- a/include/net/inet_hashtables.h +++ b/include/net/inet_hashtables.h @@ -24,7 +24,6 @@ #include <linux/spinlock.h> #include <linux/types.h> #include <linux/wait.h> -#include <linux/vmalloc.h> #include <net/inet_connection_sock.h> #include <net/inet_sock.h> @@ -148,8 +147,6 @@ struct inet_hashinfo { */ struct inet_listen_hashbucket listening_hash[INET_LHTABLE_SIZE] ____cacheline_aligned_in_smp; - - atomic_t bsockets; }; static inline struct inet_ehash_bucket *inet_ehash_bucket( @@ -166,52 +163,12 @@ static inline spinlock_t *inet_ehash_lockp( return &hashinfo->ehash_locks[hash & hashinfo->ehash_locks_mask]; } -static inline int inet_ehash_locks_alloc(struct inet_hashinfo *hashinfo) -{ - unsigned int i, size = 256; -#if defined(CONFIG_PROVE_LOCKING) - unsigned int nr_pcpus = 2; -#else - unsigned int nr_pcpus = num_possible_cpus(); -#endif - if (nr_pcpus >= 4) - size = 512; - if (nr_pcpus >= 8) - size = 1024; - if (nr_pcpus >= 16) - size = 2048; - if (nr_pcpus >= 32) - size = 4096; - if (sizeof(spinlock_t) != 0) { -#ifdef CONFIG_NUMA - if (size * sizeof(spinlock_t) > PAGE_SIZE) - hashinfo->ehash_locks = vmalloc(size * sizeof(spinlock_t)); - else -#endif - hashinfo->ehash_locks = kmalloc(size * sizeof(spinlock_t), - GFP_KERNEL); - if (!hashinfo->ehash_locks) - return ENOMEM; - for (i = 0; i < size; i++) - spin_lock_init(&hashinfo->ehash_locks[i]); - } - hashinfo->ehash_locks_mask = size - 1; - return 0; -} +int inet_ehash_locks_alloc(struct inet_hashinfo *hashinfo); static inline void inet_ehash_locks_free(struct inet_hashinfo *hashinfo) { - if (hashinfo->ehash_locks) { -#ifdef CONFIG_NUMA - unsigned int size = (hashinfo->ehash_locks_mask + 1) * - sizeof(spinlock_t); - if (size > PAGE_SIZE) - vfree(hashinfo->ehash_locks); - else -#endif - kfree(hashinfo->ehash_locks); - hashinfo->ehash_locks = NULL; - } + kvfree(hashinfo->ehash_locks); + hashinfo->ehash_locks = NULL; } struct inet_bind_bucket * diff --git a/include/net/inet_sock.h b/include/net/inet_sock.h index b6c3737da4e9..47eb67b08abd 100644 --- a/include/net/inet_sock.h +++ b/include/net/inet_sock.h @@ -187,6 +187,7 @@ struct inet_sock { transparent:1, mc_all:1, nodefrag:1; + __u8 bind_address_no_port:1; __u8 rcv_tos; __u8 convert_csum; int uc_index; diff --git a/include/net/ip.h b/include/net/ip.h index d14af7edd197..0750a186ea63 100644 --- a/include/net/ip.h +++ b/include/net/ip.h @@ -31,7 +31,7 @@ #include <net/route.h> #include <net/snmp.h> #include <net/flow.h> -#include <net/flow_keys.h> +#include <net/flow_dissector.h> struct sock; @@ -45,6 +45,7 @@ struct inet_skb_parm { #define IPSKB_FRAG_COMPLETE BIT(3) #define IPSKB_REROUTED BIT(4) #define IPSKB_DOREDIRECT BIT(5) +#define IPSKB_FRAG_PMTU BIT(6) u16 frag_max_size; }; @@ -108,9 +109,8 @@ int ip_local_deliver(struct sk_buff *skb); int ip_mr_input(struct sk_buff *skb); int ip_output(struct sock *sk, struct sk_buff *skb); int ip_mc_output(struct sock *sk, struct sk_buff *skb); -int ip_fragment(struct sock *sk, struct sk_buff *skb, - int (*output)(struct sock *, struct sk_buff *)); -int ip_do_nat(struct sk_buff *skb); +int ip_do_fragment(struct sock *sk, struct sk_buff *skb, + int (*output)(struct sock *, struct sk_buff *)); void ip_send_check(struct iphdr *ip); int __ip_local_out(struct sk_buff *skb); int ip_local_out_sk(struct sock *sk, struct sk_buff *skb); @@ -355,15 +355,32 @@ static inline __wsum inet_compute_pseudo(struct sk_buff *skb, int proto) skb->len, proto, 0); } +/* copy IPv4 saddr & daddr to flow_keys, possibly using 64bit load/store + * Equivalent to : flow->v4addrs.src = iph->saddr; + * flow->v4addrs.dst = iph->daddr; + */ +static inline void iph_to_flow_copy_v4addrs(struct flow_keys *flow, + const struct iphdr *iph) +{ + BUILD_BUG_ON(offsetof(typeof(flow->addrs), v4addrs.dst) != + offsetof(typeof(flow->addrs), v4addrs.src) + + sizeof(flow->addrs.v4addrs.src)); + memcpy(&flow->addrs.v4addrs, &iph->saddr, sizeof(flow->addrs.v4addrs)); + flow->control.addr_type = FLOW_DISSECTOR_KEY_IPV4_ADDRS; +} + static inline void inet_set_txhash(struct sock *sk) { struct inet_sock *inet = inet_sk(sk); struct flow_keys keys; - keys.src = inet->inet_saddr; - keys.dst = inet->inet_daddr; - keys.port16[0] = inet->inet_sport; - keys.port16[1] = inet->inet_dport; + memset(&keys, 0, sizeof(keys)); + + keys.addrs.v4addrs.src = inet->inet_saddr; + keys.addrs.v4addrs.dst = inet->inet_daddr; + keys.control.addr_type = FLOW_DISSECTOR_KEY_IPV4_ADDRS; + keys.ports.src = inet->inet_sport; + keys.ports.dst = inet->inet_dport; sk->sk_txhash = flow_hash_from_keys(&keys); } @@ -478,6 +495,16 @@ enum ip_defrag_users { IP_DEFRAG_MACVLAN, }; +/* Return true if the value of 'user' is between 'lower_bond' + * and 'upper_bond' inclusively. + */ +static inline bool ip_defrag_user_in_between(u32 user, + enum ip_defrag_users lower_bond, + enum ip_defrag_users upper_bond) +{ + return user >= lower_bond && user <= upper_bond; +} + int ip_defrag(struct sk_buff *skb, u32 user); #ifdef CONFIG_INET struct sk_buff *ip_check_defrag(struct sk_buff *skb, u32 user); diff --git a/include/net/ip6_fib.h b/include/net/ip6_fib.h index 20e80fa7bbdd..3b76849c190f 100644 --- a/include/net/ip6_fib.h +++ b/include/net/ip6_fib.h @@ -120,45 +120,19 @@ struct rt6_info { struct rt6key rt6i_src; struct rt6key rt6i_prefsrc; + struct list_head rt6i_uncached; + struct uncached_list *rt6i_uncached_list; + struct inet6_dev *rt6i_idev; - unsigned long _rt6i_peer; + struct rt6_info * __percpu *rt6i_pcpu; u32 rt6i_metric; + u32 rt6i_pmtu; /* more non-fragment space at head required */ unsigned short rt6i_nfheader_len; u8 rt6i_protocol; }; -static inline struct inet_peer *rt6_peer_ptr(struct rt6_info *rt) -{ - return inetpeer_ptr(rt->_rt6i_peer); -} - -static inline bool rt6_has_peer(struct rt6_info *rt) -{ - return inetpeer_ptr_is_peer(rt->_rt6i_peer); -} - -static inline void __rt6_set_peer(struct rt6_info *rt, struct inet_peer *peer) -{ - __inetpeer_ptr_set_peer(&rt->_rt6i_peer, peer); -} - -static inline bool rt6_set_peer(struct rt6_info *rt, struct inet_peer *peer) -{ - return inetpeer_ptr_set_peer(&rt->_rt6i_peer, peer); -} - -static inline void rt6_init_peer(struct rt6_info *rt, struct inet_peer_base *base) -{ - inetpeer_init_ptr(&rt->_rt6i_peer, base); -} - -static inline void rt6_transfer_peer(struct rt6_info *rt, struct rt6_info *ort) -{ - inetpeer_transfer_peer(&rt->_rt6i_peer, &ort->_rt6i_peer); -} - static inline struct inet6_dev *ip6_dst_idev(struct dst_entry *dst) { return ((struct rt6_info *)dst)->rt6i_idev; @@ -189,13 +163,12 @@ static inline void rt6_update_expires(struct rt6_info *rt0, int timeout) rt0->rt6i_flags |= RTF_EXPIRES; } -static inline void rt6_set_from(struct rt6_info *rt, struct rt6_info *from) +static inline u32 rt6_get_cookie(const struct rt6_info *rt) { - struct dst_entry *new = (struct dst_entry *) from; + if (rt->rt6i_flags & RTF_PCPU || unlikely(rt->dst.flags & DST_NOCACHE)) + rt = (struct rt6_info *)(rt->dst.from); - rt->rt6i_flags &= ~RTF_EXPIRES; - dst_hold(new); - rt->dst.from = new; + return rt->rt6i_node ? rt->rt6i_node->fn_sernum : 0; } static inline void ip6_rt_put(struct rt6_info *rt) diff --git a/include/net/ip6_route.h b/include/net/ip6_route.h index 5e192068e6cb..297629aadb19 100644 --- a/include/net/ip6_route.h +++ b/include/net/ip6_route.h @@ -145,7 +145,7 @@ static inline void __ip6_dst_store(struct sock *sk, struct dst_entry *dst, #ifdef CONFIG_IPV6_SUBTREES np->saddr_cache = saddr; #endif - np->dst_cookie = rt->rt6i_node ? rt->rt6i_node->fn_sernum : 0; + np->dst_cookie = rt6_get_cookie(rt); } static inline void ip6_dst_store(struct sock *sk, struct dst_entry *dst, @@ -163,11 +163,14 @@ static inline bool ipv6_unicast_destination(const struct sk_buff *skb) return rt->rt6i_flags & RTF_LOCAL; } -static inline bool ipv6_anycast_destination(const struct sk_buff *skb) +static inline bool ipv6_anycast_destination(const struct dst_entry *dst, + const struct in6_addr *daddr) { - struct rt6_info *rt = (struct rt6_info *) skb_dst(skb); + struct rt6_info *rt = (struct rt6_info *)dst; - return rt->rt6i_flags & RTF_ANYCAST; + return rt->rt6i_flags & RTF_ANYCAST || + (rt->rt6i_dst.plen != 128 && + ipv6_addr_equal(&rt->rt6i_dst.addr, daddr)); } int ip6_fragment(struct sock *sk, struct sk_buff *skb, @@ -194,9 +197,15 @@ static inline bool ip6_sk_ignore_df(const struct sock *sk) inet6_sk(sk)->pmtudisc == IPV6_PMTUDISC_OMIT; } -static inline struct in6_addr *rt6_nexthop(struct rt6_info *rt) +static inline struct in6_addr *rt6_nexthop(struct rt6_info *rt, + struct in6_addr *daddr) { - return &rt->rt6i_gateway; + if (rt->rt6i_flags & RTF_GATEWAY) + return &rt->rt6i_gateway; + else if (unlikely(rt->rt6i_flags & RTF_CACHE)) + return &rt->rt6i_dst.addr; + else + return daddr; } #endif diff --git a/include/net/ip_fib.h b/include/net/ip_fib.h index 54271ed0ed45..49c142bdf01e 100644 --- a/include/net/ip_fib.h +++ b/include/net/ip_fib.h @@ -226,7 +226,7 @@ static inline struct fib_table *fib_new_table(struct net *net, u32 id) } static inline int fib_lookup(struct net *net, const struct flowi4 *flp, - struct fib_result *res) + struct fib_result *res, unsigned int flags) { struct fib_table *tb; int err = -ENETUNREACH; @@ -234,7 +234,7 @@ static inline int fib_lookup(struct net *net, const struct flowi4 *flp, rcu_read_lock(); tb = fib_get_table(net, RT_TABLE_MAIN); - if (tb && !fib_table_lookup(tb, flp, res, FIB_LOOKUP_NOREF)) + if (tb && !fib_table_lookup(tb, flp, res, flags | FIB_LOOKUP_NOREF)) err = 0; rcu_read_unlock(); @@ -249,16 +249,18 @@ void __net_exit fib4_rules_exit(struct net *net); struct fib_table *fib_new_table(struct net *net, u32 id); struct fib_table *fib_get_table(struct net *net, u32 id); -int __fib_lookup(struct net *net, struct flowi4 *flp, struct fib_result *res); +int __fib_lookup(struct net *net, struct flowi4 *flp, + struct fib_result *res, unsigned int flags); static inline int fib_lookup(struct net *net, struct flowi4 *flp, - struct fib_result *res) + struct fib_result *res, unsigned int flags) { struct fib_table *tb; int err; + flags |= FIB_LOOKUP_NOREF; if (net->ipv4.fib_has_custom_rules) - return __fib_lookup(net, flp, res); + return __fib_lookup(net, flp, res, flags); rcu_read_lock(); @@ -266,11 +268,11 @@ static inline int fib_lookup(struct net *net, struct flowi4 *flp, for (err = 0; !err; err = -ENETUNREACH) { tb = rcu_dereference_rtnl(net->ipv4.fib_main); - if (tb && !fib_table_lookup(tb, flp, res, FIB_LOOKUP_NOREF)) + if (tb && !fib_table_lookup(tb, flp, res, flags)) break; tb = rcu_dereference_rtnl(net->ipv4.fib_default); - if (tb && !fib_table_lookup(tb, flp, res, FIB_LOOKUP_NOREF)) + if (tb && !fib_table_lookup(tb, flp, res, flags)) break; } @@ -305,9 +307,9 @@ void fib_flush_external(struct net *net); /* Exported by fib_semantics.c */ int ip_fib_check_default(__be32 gw, struct net_device *dev); -int fib_sync_down_dev(struct net_device *dev, int force); +int fib_sync_down_dev(struct net_device *dev, unsigned long event); int fib_sync_down_addr(struct net *net, __be32 local); -int fib_sync_up(struct net_device *dev); +int fib_sync_up(struct net_device *dev, unsigned int nh_flags); void fib_select_multipath(struct fib_result *res); /* Exported by fib_trie.c */ diff --git a/include/net/ipv6.h b/include/net/ipv6.h index eec8ad3c9843..82dbdb092a5d 100644 --- a/include/net/ipv6.h +++ b/include/net/ipv6.h @@ -19,7 +19,7 @@ #include <net/if_inet6.h> #include <net/ndisc.h> #include <net/flow.h> -#include <net/flow_keys.h> +#include <net/flow_dissector.h> #include <net/snmp.h> #define SIN6_LEN_RFC2133 24 @@ -239,8 +239,10 @@ struct ip6_flowlabel { struct net *fl_net; }; -#define IPV6_FLOWINFO_MASK cpu_to_be32(0x0FFFFFFF) -#define IPV6_FLOWLABEL_MASK cpu_to_be32(0x000FFFFF) +#define IPV6_FLOWINFO_MASK cpu_to_be32(0x0FFFFFFF) +#define IPV6_FLOWLABEL_MASK cpu_to_be32(0x000FFFFF) +#define IPV6_FLOWLABEL_STATELESS_FLAG cpu_to_be32(0x00080000) + #define IPV6_TCLASS_MASK (IPV6_FLOWINFO_MASK & ~IPV6_FLOWLABEL_MASK) #define IPV6_TCLASS_SHIFT 20 @@ -669,8 +671,9 @@ static inline int ipv6_addr_diff(const struct in6_addr *a1, const struct in6_add return __ipv6_addr_diff(a1, a2, sizeof(struct in6_addr)); } -void ipv6_select_ident(struct net *net, struct frag_hdr *fhdr, - struct rt6_info *rt); +__be32 ipv6_select_ident(struct net *net, + const struct in6_addr *daddr, + const struct in6_addr *saddr); void ipv6_proxy_select_ident(struct net *net, struct sk_buff *skb); int ip6_dst_hoplimit(struct dst_entry *dst); @@ -689,6 +692,20 @@ static inline int ip6_sk_dst_hoplimit(struct ipv6_pinfo *np, struct flowi6 *fl6, return hlimit; } +/* copy IPv6 saddr & daddr to flow_keys, possibly using 64bit load/store + * Equivalent to : flow->v6addrs.src = iph->saddr; + * flow->v6addrs.dst = iph->daddr; + */ +static inline void iph_to_flow_copy_v6addrs(struct flow_keys *flow, + const struct ipv6hdr *iph) +{ + BUILD_BUG_ON(offsetof(typeof(flow->addrs), v6addrs.dst) != + offsetof(typeof(flow->addrs), v6addrs.src) + + sizeof(flow->addrs.v6addrs.src)); + memcpy(&flow->addrs.v6addrs, &iph->saddr, sizeof(flow->addrs.v6addrs)); + flow->control.addr_type = FLOW_DISSECTOR_KEY_IPV6_ADDRS; +} + #if IS_ENABLED(CONFIG_IPV6) static inline void ip6_set_txhash(struct sock *sk) { @@ -696,10 +713,15 @@ static inline void ip6_set_txhash(struct sock *sk) struct ipv6_pinfo *np = inet6_sk(sk); struct flow_keys keys; - keys.src = (__force __be32)ipv6_addr_hash(&np->saddr); - keys.dst = (__force __be32)ipv6_addr_hash(&sk->sk_v6_daddr); - keys.port16[0] = inet->inet_sport; - keys.port16[1] = inet->inet_dport; + memset(&keys, 0, sizeof(keys)); + + memcpy(&keys.addrs.v6addrs.src, &np->saddr, + sizeof(keys.addrs.v6addrs.src)); + memcpy(&keys.addrs.v6addrs.dst, &sk->sk_v6_daddr, + sizeof(keys.addrs.v6addrs.dst)); + keys.control.addr_type = FLOW_DISSECTOR_KEY_IPV6_ADDRS; + keys.ports.src = inet->inet_sport; + keys.ports.dst = inet->inet_dport; sk->sk_txhash = flow_hash_from_keys(&keys); } @@ -719,6 +741,9 @@ static inline __be32 ip6_make_flowlabel(struct net *net, struct sk_buff *skb, hash ^= hash >> 12; flowlabel = (__force __be32)hash & IPV6_FLOWLABEL_MASK; + + if (net->ipv6.sysctl.flowlabel_state_ranges) + flowlabel |= IPV6_FLOWLABEL_STATELESS_FLAG; } return flowlabel; diff --git a/include/net/llc_conn.h b/include/net/llc_conn.h index 0134681acc4c..fe994d2e5286 100644 --- a/include/net/llc_conn.h +++ b/include/net/llc_conn.h @@ -96,7 +96,7 @@ static __inline__ char llc_backlog_type(struct sk_buff *skb) } struct sock *llc_sk_alloc(struct net *net, int family, gfp_t priority, - struct proto *prot); + struct proto *prot, int kern); void llc_sk_free(struct sock *sk); void llc_sk_reset(struct sock *sk); diff --git a/include/net/mac80211.h b/include/net/mac80211.h index fc57f6b82fc5..6b1077c2a63f 100644 --- a/include/net/mac80211.h +++ b/include/net/mac80211.h @@ -337,10 +337,16 @@ enum ieee80211_bss_change { * enum ieee80211_event_type - event to be notified to the low level driver * @RSSI_EVENT: AP's rssi crossed the a threshold set by the driver. * @MLME_EVENT: event related to MLME + * @BAR_RX_EVENT: a BAR was received + * @BA_FRAME_TIMEOUT: Frames were released from the reordering buffer because + * they timed out. This won't be called for each frame released, but only + * once each time the timeout triggers. */ enum ieee80211_event_type { RSSI_EVENT, MLME_EVENT, + BAR_RX_EVENT, + BA_FRAME_TIMEOUT, }; /** @@ -400,17 +406,31 @@ struct ieee80211_mlme_event { }; /** + * struct ieee80211_ba_event - data attached for BlockAck related events + * @sta: pointer to the &ieee80211_sta to which this event relates + * @tid: the tid + * @ssn: the starting sequence number (for %BAR_RX_EVENT) + */ +struct ieee80211_ba_event { + struct ieee80211_sta *sta; + u16 tid; + u16 ssn; +}; + +/** * struct ieee80211_event - event to be sent to the driver * @type: The event itself. See &enum ieee80211_event_type. * @rssi: relevant if &type is %RSSI_EVENT * @mlme: relevant if &type is %AUTH_EVENT - * @u: union holding the above two fields + * @ba: relevant if &type is %BAR_RX_EVENT or %BA_FRAME_TIMEOUT + * @u:union holding the fields above */ struct ieee80211_event { enum ieee80211_event_type type; union { struct ieee80211_rssi_event rssi; struct ieee80211_mlme_event mlme; + struct ieee80211_ba_event ba; } u; }; @@ -426,12 +446,8 @@ struct ieee80211_event { * @ibss_creator: indicates if a new IBSS network is being created * @aid: association ID number, valid only when @assoc is true * @use_cts_prot: use CTS protection - * @use_short_preamble: use 802.11b short preamble; - * if the hardware cannot handle this it must set the - * IEEE80211_HW_2GHZ_SHORT_PREAMBLE_INCAPABLE hardware flag - * @use_short_slot: use short slot time (only relevant for ERP); - * if the hardware cannot handle this it must set the - * IEEE80211_HW_2GHZ_SHORT_SLOT_INCAPABLE hardware flag + * @use_short_preamble: use 802.11b short preamble + * @use_short_slot: use short slot time (only relevant for ERP) * @dtim_period: num of beacons before the next DTIM, for beaconing, * valid in station mode only if after the driver was notified * with the %BSS_CHANGED_BEACON_INFO flag, will be non-zero then. @@ -855,6 +871,9 @@ struct ieee80211_tx_info { /* 4 bytes free */ } control; struct { + u64 cookie; + } ack; + struct { struct ieee80211_tx_rate rates[IEEE80211_TX_MAX_RATES]; s32 ack_signal; u8 ampdu_ack_len; @@ -1459,6 +1478,9 @@ enum ieee80211_key_flags { * wants to be given when a frame is transmitted and needs to be * encrypted in hardware. * @cipher: The key's cipher suite selector. + * @tx_pn: PN used for TX on non-TKIP keys, may be used by the driver + * as well if it needs to do software PN assignment by itself + * (e.g. due to TSO) * @flags: key flags, see &enum ieee80211_key_flags. * @keyidx: the key index (0-3) * @keylen: key material length @@ -1471,6 +1493,7 @@ enum ieee80211_key_flags { * @iv_len: The IV length for this key type */ struct ieee80211_key_conf { + atomic64_t tx_pn; u32 cipher; u8 icv_len; u8 iv_len; @@ -1481,6 +1504,47 @@ struct ieee80211_key_conf { u8 key[0]; }; +#define IEEE80211_MAX_PN_LEN 16 + +/** + * struct ieee80211_key_seq - key sequence counter + * + * @tkip: TKIP data, containing IV32 and IV16 in host byte order + * @ccmp: PN data, most significant byte first (big endian, + * reverse order than in packet) + * @aes_cmac: PN data, most significant byte first (big endian, + * reverse order than in packet) + * @aes_gmac: PN data, most significant byte first (big endian, + * reverse order than in packet) + * @gcmp: PN data, most significant byte first (big endian, + * reverse order than in packet) + * @hw: data for HW-only (e.g. cipher scheme) keys + */ +struct ieee80211_key_seq { + union { + struct { + u32 iv32; + u16 iv16; + } tkip; + struct { + u8 pn[6]; + } ccmp; + struct { + u8 pn[6]; + } aes_cmac; + struct { + u8 pn[6]; + } aes_gmac; + struct { + u8 pn[6]; + } gcmp; + struct { + u8 seq[IEEE80211_MAX_PN_LEN]; + u8 seq_len; + } hw; + }; +}; + /** * struct ieee80211_cipher_scheme - cipher scheme * @@ -1667,8 +1731,7 @@ struct ieee80211_tx_control { * @sta: station table entry, %NULL for per-vif queue * @tid: the TID for this queue (unused for per-vif queue) * @ac: the AC for this queue - * @drv_priv: data area for driver use, will always be aligned to - * sizeof(void *). + * @drv_priv: driver private area, sized by hw->txq_data_size * * The driver can obtain packets from this queue by calling * ieee80211_tx_dequeue(). @@ -1717,13 +1780,6 @@ struct ieee80211_txq { * multicast frames when there are power saving stations so that * the driver can fetch them with ieee80211_get_buffered_bc(). * - * @IEEE80211_HW_2GHZ_SHORT_SLOT_INCAPABLE: - * Hardware is not capable of short slot operation on the 2.4 GHz band. - * - * @IEEE80211_HW_2GHZ_SHORT_PREAMBLE_INCAPABLE: - * Hardware is not capable of receiving frames with short preamble on - * the 2.4 GHz band. - * * @IEEE80211_HW_SIGNAL_UNSPEC: * Hardware can provide signal values but we don't know its units. We * expect values between 0 and @max_signal. @@ -1798,6 +1854,10 @@ struct ieee80211_txq { * the driver returns 1. This also forces the driver to advertise its * supported cipher suites. * + * @IEEE80211_HW_SUPPORT_FAST_XMIT: The driver/hardware supports fast-xmit, + * this currently requires only the ability to calculate the duration + * for frames. + * * @IEEE80211_HW_QUEUE_CONTROL: The driver wants to control per-interface * queue mapping in order to use different queues (not just one per AC) * for different virtual interfaces. See the doc section on HW queue @@ -1825,41 +1885,44 @@ struct ieee80211_txq { * @IEEE80211_HW_SUPPORTS_CLONED_SKBS: The driver will never modify the payload * or tailroom of TX skbs without copying them first. * - * @IEEE80211_SINGLE_HW_SCAN_ON_ALL_BANDS: The HW supports scanning on all bands + * @IEEE80211_HW_SINGLE_SCAN_ON_ALL_BANDS: The HW supports scanning on all bands * in one command, mac80211 doesn't have to run separate scans per band. + * + * @NUM_IEEE80211_HW_FLAGS: number of hardware flags, used for sizing arrays */ enum ieee80211_hw_flags { - IEEE80211_HW_HAS_RATE_CONTROL = 1<<0, - IEEE80211_HW_RX_INCLUDES_FCS = 1<<1, - IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING = 1<<2, - IEEE80211_HW_2GHZ_SHORT_SLOT_INCAPABLE = 1<<3, - IEEE80211_HW_2GHZ_SHORT_PREAMBLE_INCAPABLE = 1<<4, - IEEE80211_HW_SIGNAL_UNSPEC = 1<<5, - IEEE80211_HW_SIGNAL_DBM = 1<<6, - IEEE80211_HW_NEED_DTIM_BEFORE_ASSOC = 1<<7, - IEEE80211_HW_SPECTRUM_MGMT = 1<<8, - IEEE80211_HW_AMPDU_AGGREGATION = 1<<9, - IEEE80211_HW_SUPPORTS_PS = 1<<10, - IEEE80211_HW_PS_NULLFUNC_STACK = 1<<11, - IEEE80211_HW_SUPPORTS_DYNAMIC_PS = 1<<12, - IEEE80211_HW_MFP_CAPABLE = 1<<13, - IEEE80211_HW_WANT_MONITOR_VIF = 1<<14, - IEEE80211_HW_NO_AUTO_VIF = 1<<15, - IEEE80211_HW_SW_CRYPTO_CONTROL = 1<<16, - /* free slots */ - IEEE80211_HW_REPORTS_TX_ACK_STATUS = 1<<18, - IEEE80211_HW_CONNECTION_MONITOR = 1<<19, - IEEE80211_HW_QUEUE_CONTROL = 1<<20, - IEEE80211_HW_SUPPORTS_PER_STA_GTK = 1<<21, - IEEE80211_HW_AP_LINK_PS = 1<<22, - IEEE80211_HW_TX_AMPDU_SETUP_IN_HW = 1<<23, - IEEE80211_HW_SUPPORTS_RC_TABLE = 1<<24, - IEEE80211_HW_P2P_DEV_ADDR_FOR_INTF = 1<<25, - IEEE80211_HW_TIMING_BEACON_ONLY = 1<<26, - IEEE80211_HW_SUPPORTS_HT_CCK_RATES = 1<<27, - IEEE80211_HW_CHANCTX_STA_CSA = 1<<28, - IEEE80211_HW_SUPPORTS_CLONED_SKBS = 1<<29, - IEEE80211_SINGLE_HW_SCAN_ON_ALL_BANDS = 1<<30, + IEEE80211_HW_HAS_RATE_CONTROL, + IEEE80211_HW_RX_INCLUDES_FCS, + IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING, + IEEE80211_HW_SIGNAL_UNSPEC, + IEEE80211_HW_SIGNAL_DBM, + IEEE80211_HW_NEED_DTIM_BEFORE_ASSOC, + IEEE80211_HW_SPECTRUM_MGMT, + IEEE80211_HW_AMPDU_AGGREGATION, + IEEE80211_HW_SUPPORTS_PS, + IEEE80211_HW_PS_NULLFUNC_STACK, + IEEE80211_HW_SUPPORTS_DYNAMIC_PS, + IEEE80211_HW_MFP_CAPABLE, + IEEE80211_HW_WANT_MONITOR_VIF, + IEEE80211_HW_NO_AUTO_VIF, + IEEE80211_HW_SW_CRYPTO_CONTROL, + IEEE80211_HW_SUPPORT_FAST_XMIT, + IEEE80211_HW_REPORTS_TX_ACK_STATUS, + IEEE80211_HW_CONNECTION_MONITOR, + IEEE80211_HW_QUEUE_CONTROL, + IEEE80211_HW_SUPPORTS_PER_STA_GTK, + IEEE80211_HW_AP_LINK_PS, + IEEE80211_HW_TX_AMPDU_SETUP_IN_HW, + IEEE80211_HW_SUPPORTS_RC_TABLE, + IEEE80211_HW_P2P_DEV_ADDR_FOR_INTF, + IEEE80211_HW_TIMING_BEACON_ONLY, + IEEE80211_HW_SUPPORTS_HT_CCK_RATES, + IEEE80211_HW_CHANCTX_STA_CSA, + IEEE80211_HW_SUPPORTS_CLONED_SKBS, + IEEE80211_HW_SINGLE_SCAN_ON_ALL_BANDS, + + /* keep last, obviously */ + NUM_IEEE80211_HW_FLAGS }; /** @@ -1940,8 +2003,8 @@ enum ieee80211_hw_flags { * Use the %IEEE80211_RADIOTAP_VHT_KNOWN_* values. * * @netdev_features: netdev features to be set in each netdev created - * from this HW. Note only HW checksum features are currently - * compatible with mac80211. Other feature bits will be rejected. + * from this HW. Note that not all features are usable with mac80211, + * other features will be rejected during HW registration. * * @uapsd_queues: This bitmap is included in (re)association frame to indicate * for each access category if it is uAPSD trigger-enabled and delivery- @@ -1966,7 +2029,7 @@ struct ieee80211_hw { struct wiphy *wiphy; const char *rate_control_algorithm; void *priv; - u32 flags; + unsigned long flags[BITS_TO_LONGS(NUM_IEEE80211_HW_FLAGS)]; unsigned int extra_tx_headroom; unsigned int extra_beacon_tailroom; int vif_data_size; @@ -1992,6 +2055,20 @@ struct ieee80211_hw { int txq_ac_max_pending; }; +static inline bool _ieee80211_hw_check(struct ieee80211_hw *hw, + enum ieee80211_hw_flags flg) +{ + return test_bit(flg, hw->flags); +} +#define ieee80211_hw_check(hw, flg) _ieee80211_hw_check(hw, IEEE80211_HW_##flg) + +static inline void _ieee80211_hw_set(struct ieee80211_hw *hw, + enum ieee80211_hw_flags flg) +{ + return __set_bit(flg, hw->flags); +} +#define ieee80211_hw_set(hw, flg) _ieee80211_hw_set(hw, IEEE80211_HW_##flg) + /** * struct ieee80211_scan_request - hw scan request * @@ -2505,10 +2582,6 @@ void ieee80211_free_txskb(struct ieee80211_hw *hw, struct sk_buff *skb); * stack. It is always safe to pass more frames than requested, * but this has negative impact on power consumption. * - * @FIF_PROMISC_IN_BSS: promiscuous mode within your BSS, - * think of the BSS as your network segment and then this corresponds - * to the regular ethernet device promiscuous mode. - * * @FIF_ALLMULTI: pass all multicast frames, this is used if requested * by the user or if the hardware is not capable of filtering by * multicast address. @@ -2525,18 +2598,16 @@ void ieee80211_free_txskb(struct ieee80211_hw *hw, struct sk_buff *skb); * mac80211 needs to do and the amount of CPU wakeups, so you should * honour this flag if possible. * - * @FIF_CONTROL: pass control frames (except for PS Poll), if PROMISC_IN_BSS - * is not set then only those addressed to this station. + * @FIF_CONTROL: pass control frames (except for PS Poll) addressed to this + * station * * @FIF_OTHER_BSS: pass frames destined to other BSSes * - * @FIF_PSPOLL: pass PS Poll frames, if PROMISC_IN_BSS is not set then only - * those addressed to this station. + * @FIF_PSPOLL: pass PS Poll frames * * @FIF_PROBE_REQ: pass probe request frames */ enum ieee80211_filter_flags { - FIF_PROMISC_IN_BSS = 1<<0, FIF_ALLMULTI = 1<<1, FIF_FCSFAIL = 1<<2, FIF_PLCPFAIL = 1<<3, @@ -2819,9 +2890,9 @@ enum ieee80211_reconfig_type { * Returns zero if statistics are available. * The callback can sleep. * - * @get_tkip_seq: If your device implements TKIP encryption in hardware this - * callback should be provided to read the TKIP transmit IVs (both IV32 - * and IV16) for the given key from hardware. + * @get_key_seq: If your device implements encryption in hardware and does + * IV/PN assignment then this callback should be provided to read the + * IV/PN for the given key from hardware. * The callback must be atomic. * * @set_frag_threshold: Configuration of fragmentation threshold. Assign this @@ -3004,7 +3075,7 @@ enum ieee80211_reconfig_type { * The callback can sleep. * @event_callback: Notify driver about any event in mac80211. See * &enum ieee80211_event_type for the different types. - * The callback can sleep. + * The callback must be atomic. * * @release_buffered_frames: Release buffered frames according to the given * parameters. In the case where the driver buffers some frames for @@ -3220,8 +3291,9 @@ struct ieee80211_ops { struct ieee80211_vif *vif); int (*get_stats)(struct ieee80211_hw *hw, struct ieee80211_low_level_stats *stats); - void (*get_tkip_seq)(struct ieee80211_hw *hw, u8 hw_key_idx, - u32 *iv32, u16 *iv16); + void (*get_key_seq)(struct ieee80211_hw *hw, + struct ieee80211_key_conf *key, + struct ieee80211_key_seq *seq); int (*set_frag_threshold)(struct ieee80211_hw *hw, u32 value); int (*set_rts_threshold)(struct ieee80211_hw *hw, u32 value); int (*sta_add)(struct ieee80211_hw *hw, struct ieee80211_vif *vif, @@ -3469,14 +3541,15 @@ enum ieee80211_tpt_led_trigger_flags { }; #ifdef CONFIG_MAC80211_LEDS -char *__ieee80211_get_tx_led_name(struct ieee80211_hw *hw); -char *__ieee80211_get_rx_led_name(struct ieee80211_hw *hw); -char *__ieee80211_get_assoc_led_name(struct ieee80211_hw *hw); -char *__ieee80211_get_radio_led_name(struct ieee80211_hw *hw); -char *__ieee80211_create_tpt_led_trigger(struct ieee80211_hw *hw, - unsigned int flags, - const struct ieee80211_tpt_blink *blink_table, - unsigned int blink_table_len); +const char *__ieee80211_get_tx_led_name(struct ieee80211_hw *hw); +const char *__ieee80211_get_rx_led_name(struct ieee80211_hw *hw); +const char *__ieee80211_get_assoc_led_name(struct ieee80211_hw *hw); +const char *__ieee80211_get_radio_led_name(struct ieee80211_hw *hw); +const char * +__ieee80211_create_tpt_led_trigger(struct ieee80211_hw *hw, + unsigned int flags, + const struct ieee80211_tpt_blink *blink_table, + unsigned int blink_table_len); #endif /** * ieee80211_get_tx_led_name - get name of TX LED @@ -3490,7 +3563,7 @@ char *__ieee80211_create_tpt_led_trigger(struct ieee80211_hw *hw, * * Return: The name of the LED trigger. %NULL if not configured for LEDs. */ -static inline char *ieee80211_get_tx_led_name(struct ieee80211_hw *hw) +static inline const char *ieee80211_get_tx_led_name(struct ieee80211_hw *hw) { #ifdef CONFIG_MAC80211_LEDS return __ieee80211_get_tx_led_name(hw); @@ -3511,7 +3584,7 @@ static inline char *ieee80211_get_tx_led_name(struct ieee80211_hw *hw) * * Return: The name of the LED trigger. %NULL if not configured for LEDs. */ -static inline char *ieee80211_get_rx_led_name(struct ieee80211_hw *hw) +static inline const char *ieee80211_get_rx_led_name(struct ieee80211_hw *hw) { #ifdef CONFIG_MAC80211_LEDS return __ieee80211_get_rx_led_name(hw); @@ -3532,7 +3605,7 @@ static inline char *ieee80211_get_rx_led_name(struct ieee80211_hw *hw) * * Return: The name of the LED trigger. %NULL if not configured for LEDs. */ -static inline char *ieee80211_get_assoc_led_name(struct ieee80211_hw *hw) +static inline const char *ieee80211_get_assoc_led_name(struct ieee80211_hw *hw) { #ifdef CONFIG_MAC80211_LEDS return __ieee80211_get_assoc_led_name(hw); @@ -3553,7 +3626,7 @@ static inline char *ieee80211_get_assoc_led_name(struct ieee80211_hw *hw) * * Return: The name of the LED trigger. %NULL if not configured for LEDs. */ -static inline char *ieee80211_get_radio_led_name(struct ieee80211_hw *hw) +static inline const char *ieee80211_get_radio_led_name(struct ieee80211_hw *hw) { #ifdef CONFIG_MAC80211_LEDS return __ieee80211_get_radio_led_name(hw); @@ -3574,7 +3647,7 @@ static inline char *ieee80211_get_radio_led_name(struct ieee80211_hw *hw) * * Note: This function must be called before ieee80211_register_hw(). */ -static inline char * +static inline const char * ieee80211_create_tpt_led_trigger(struct ieee80211_hw *hw, unsigned int flags, const struct ieee80211_tpt_blink *blink_table, unsigned int blink_table_len) @@ -4255,40 +4328,6 @@ void ieee80211_aes_cmac_calculate_k1_k2(struct ieee80211_key_conf *keyconf, u8 *k1, u8 *k2); /** - * struct ieee80211_key_seq - key sequence counter - * - * @tkip: TKIP data, containing IV32 and IV16 in host byte order - * @ccmp: PN data, most significant byte first (big endian, - * reverse order than in packet) - * @aes_cmac: PN data, most significant byte first (big endian, - * reverse order than in packet) - * @aes_gmac: PN data, most significant byte first (big endian, - * reverse order than in packet) - * @gcmp: PN data, most significant byte first (big endian, - * reverse order than in packet) - */ -struct ieee80211_key_seq { - union { - struct { - u32 iv32; - u16 iv16; - } tkip; - struct { - u8 pn[6]; - } ccmp; - struct { - u8 pn[6]; - } aes_cmac; - struct { - u8 pn[6]; - } aes_gmac; - struct { - u8 pn[6]; - } gcmp; - }; -}; - -/** * ieee80211_get_key_tx_seq - get key TX sequence counter * * @keyconf: the parameter passed with the set key diff --git a/include/net/mac802154.h b/include/net/mac802154.h index 7df28a4c23f9..f534a46911dc 100644 --- a/include/net/mac802154.h +++ b/include/net/mac802154.h @@ -31,99 +31,122 @@ */ #define MAC802154_FRAME_HARD_HEADER_LEN (2 + 1 + 20 + 14) -/* The following flags are used to indicate changed address settings from +/** + * enum ieee802154_hw_addr_filt_flags - hardware address filtering flags + * + * The following flags are used to indicate changed address settings from * the stack to the hardware. + * + * @IEEE802154_AFILT_SADDR_CHANGED: Indicates that the short address will be + * change. + * + * @IEEE802154_AFILT_IEEEADDR_CHANGED: Indicates that the extended address + * will be change. + * + * @IEEE802154_AFILT_PANID_CHANGED: Indicates that the pan id will be change. + * + * @IEEE802154_AFILT_PANC_CHANGED: Indicates that the address filter will + * do frame address filtering as a pan coordinator. */ +enum ieee802154_hw_addr_filt_flags { + IEEE802154_AFILT_SADDR_CHANGED = BIT(0), + IEEE802154_AFILT_IEEEADDR_CHANGED = BIT(1), + IEEE802154_AFILT_PANID_CHANGED = BIT(2), + IEEE802154_AFILT_PANC_CHANGED = BIT(3), +}; -/* indicates that the Short Address changed */ -#define IEEE802154_AFILT_SADDR_CHANGED 0x00000001 -/* indicates that the IEEE Address changed */ -#define IEEE802154_AFILT_IEEEADDR_CHANGED 0x00000002 -/* indicates that the PAN ID changed */ -#define IEEE802154_AFILT_PANID_CHANGED 0x00000004 -/* indicates that PAN Coordinator status changed */ -#define IEEE802154_AFILT_PANC_CHANGED 0x00000008 - +/** + * struct ieee802154_hw_addr_filt - hardware address filtering settings + * + * @pan_id: pan_id which should be set to the hardware address filter. + * + * @short_addr: short_addr which should be set to the hardware address filter. + * + * @ieee_addr: extended address which should be set to the hardware address + * filter. + * + * @pan_coord: boolean if hardware filtering should be operate as coordinator. + */ struct ieee802154_hw_addr_filt { - __le16 pan_id; /* Each independent PAN selects a unique - * identifier. This PAN id allows communication - * between devices within a network using short - * addresses and enables transmissions between - * devices across independent networks. - */ + __le16 pan_id; __le16 short_addr; __le64 ieee_addr; - u8 pan_coord; -}; - -struct ieee802154_vif { - int type; - - /* must be last */ - u8 drv_priv[0] __aligned(sizeof(void *)); + bool pan_coord; }; +/** + * struct ieee802154_hw - ieee802154 hardware + * + * @extra_tx_headroom: headroom to reserve in each transmit skb for use by the + * driver (e.g. for transmit headers.) + * + * @flags: hardware flags, see &enum ieee802154_hw_flags + * + * @parent: parent device of the hardware. + * + * @priv: pointer to private area that was allocated for driver use along with + * this structure. + * + * @phy: This points to the &struct wpan_phy allocated for this 802.15.4 PHY. + */ struct ieee802154_hw { /* filled by the driver */ int extra_tx_headroom; u32 flags; struct device *parent; + void *priv; /* filled by mac802154 core */ - struct ieee802154_hw_addr_filt hw_filt; - void *priv; struct wpan_phy *phy; - size_t vif_data_size; }; -/* Checksum is in hardware and is omitted from a packet +/** + * enum ieee802154_hw_flags - hardware flags * - * These following flags are used to indicate hardware capabilities to + * These flags are used to indicate hardware capabilities to * the stack. Generally, flags here should have their meaning * done in a way that the simplest hardware doesn't need setting * any particular flags. There are some exceptions to this rule, * however, so you are advised to review these flags carefully. + * + * @IEEE802154_HW_TX_OMIT_CKSUM: Indicates that xmitter will add FCS on it's + * own. + * + * @IEEE802154_HW_LBT: Indicates that transceiver will support listen before + * transmit. + * + * @IEEE802154_HW_CSMA_PARAMS: Indicates that transceiver will support csma + * parameters (max_be, min_be, backoff exponents). + * + * @IEEE802154_HW_FRAME_RETRIES: Indicates that transceiver will support ARET + * frame retries setting. + * + * @IEEE802154_HW_AFILT: Indicates that transceiver will support hardware + * address filter setting. + * + * @IEEE802154_HW_PROMISCUOUS: Indicates that transceiver will support + * promiscuous mode setting. + * + * @IEEE802154_HW_RX_OMIT_CKSUM: Indicates that receiver omits FCS. + * + * @IEEE802154_HW_RX_DROP_BAD_CKSUM: Indicates that receiver will not filter + * frames with bad checksum. */ - -/* Indicates that xmitter will add FCS on it's own. */ -#define IEEE802154_HW_TX_OMIT_CKSUM 0x00000001 -/* Indicates that receiver will autorespond with ACK frames. */ -#define IEEE802154_HW_AACK 0x00000002 -/* Indicates that transceiver will support transmit power setting. */ -#define IEEE802154_HW_TXPOWER 0x00000004 -/* Indicates that transceiver will support listen before transmit. */ -#define IEEE802154_HW_LBT 0x00000008 -/* Indicates that transceiver will support cca mode setting. */ -#define IEEE802154_HW_CCA_MODE 0x00000010 -/* Indicates that transceiver will support cca ed level setting. */ -#define IEEE802154_HW_CCA_ED_LEVEL 0x00000020 -/* Indicates that transceiver will support csma (max_be, min_be, csma retries) - * settings. */ -#define IEEE802154_HW_CSMA_PARAMS 0x00000040 -/* Indicates that transceiver will support ARET frame retries setting. */ -#define IEEE802154_HW_FRAME_RETRIES 0x00000080 -/* Indicates that transceiver will support hardware address filter setting. */ -#define IEEE802154_HW_AFILT 0x00000100 -/* Indicates that transceiver will support promiscuous mode setting. */ -#define IEEE802154_HW_PROMISCUOUS 0x00000200 -/* Indicates that receiver omits FCS. */ -#define IEEE802154_HW_RX_OMIT_CKSUM 0x00000400 -/* Indicates that receiver will not filter frames with bad checksum. */ -#define IEEE802154_HW_RX_DROP_BAD_CKSUM 0x00000800 +enum ieee802154_hw_flags { + IEEE802154_HW_TX_OMIT_CKSUM = BIT(0), + IEEE802154_HW_LBT = BIT(1), + IEEE802154_HW_CSMA_PARAMS = BIT(2), + IEEE802154_HW_FRAME_RETRIES = BIT(3), + IEEE802154_HW_AFILT = BIT(4), + IEEE802154_HW_PROMISCUOUS = BIT(5), + IEEE802154_HW_RX_OMIT_CKSUM = BIT(6), + IEEE802154_HW_RX_DROP_BAD_CKSUM = BIT(7), +}; /* Indicates that receiver omits FCS and xmitter will add FCS on it's own. */ #define IEEE802154_HW_OMIT_CKSUM (IEEE802154_HW_TX_OMIT_CKSUM | \ IEEE802154_HW_RX_OMIT_CKSUM) -/* This groups the most common CSMA support fields into one. */ -#define IEEE802154_HW_CSMA (IEEE802154_HW_CCA_MODE | \ - IEEE802154_HW_CCA_ED_LEVEL | \ - IEEE802154_HW_CSMA_PARAMS) - -/* This groups the most common ARET support fields into one. */ -#define IEEE802154_HW_ARET (IEEE802154_HW_CSMA | \ - IEEE802154_HW_FRAME_RETRIES) - /* struct ieee802154_ops - callbacks from mac802154 to the driver * * This structure contains various callbacks that the driver may @@ -171,7 +194,7 @@ struct ieee802154_hw { * Returns either zero, or negative errno. * * set_txpower: - * Set radio transmit power in dB. Called with pib_lock held. + * Set radio transmit power in mBm. Called with pib_lock held. * Returns either zero, or negative errno. * * set_lbt @@ -184,7 +207,7 @@ struct ieee802154_hw { * Returns either zero, or negative errno. * * set_cca_ed_level - * Sets the CCA energy detection threshold in dBm. Called with pib_lock + * Sets the CCA energy detection threshold in mBm. Called with pib_lock * held. * Returns either zero, or negative errno. * @@ -213,12 +236,11 @@ struct ieee802154_ops { int (*set_hw_addr_filt)(struct ieee802154_hw *hw, struct ieee802154_hw_addr_filt *filt, unsigned long changed); - int (*set_txpower)(struct ieee802154_hw *hw, s8 dbm); + int (*set_txpower)(struct ieee802154_hw *hw, s32 mbm); int (*set_lbt)(struct ieee802154_hw *hw, bool on); int (*set_cca_mode)(struct ieee802154_hw *hw, const struct wpan_phy_cca *cca); - int (*set_cca_ed_level)(struct ieee802154_hw *hw, - s32 level); + int (*set_cca_ed_level)(struct ieee802154_hw *hw, s32 mbm); int (*set_csma_params)(struct ieee802154_hw *hw, u8 min_be, u8 max_be, u8 retries); int (*set_frame_retries)(struct ieee802154_hw *hw, diff --git a/include/net/net_namespace.h b/include/net/net_namespace.h index f733656404de..e951453e0a23 100644 --- a/include/net/net_namespace.h +++ b/include/net/net_namespace.h @@ -28,6 +28,8 @@ #include <net/netns/xfrm.h> #include <net/netns/mpls.h> #include <linux/ns_common.h> +#include <linux/idr.h> +#include <linux/skbuff.h> struct user_namespace; struct proc_dir_entry; @@ -58,6 +60,7 @@ struct net { struct list_head exit_list; /* Use only net_mutex */ struct user_namespace *user_ns; /* Owning user namespace */ + spinlock_t nsid_lock; struct idr netns_ids; struct ns_common ns; @@ -271,7 +274,9 @@ static inline struct net *read_pnet(const possible_net_t *pnet) #define __net_initconst __initconst #endif +int peernet2id_alloc(struct net *net, struct net *peer); int peernet2id(struct net *net, struct net *peer); +bool peernet_has_id(struct net *net, struct net *peer); struct net *get_net_ns_by_id(struct net *net, int id); struct pernet_operations { diff --git a/include/net/netfilter/br_netfilter.h b/include/net/netfilter/br_netfilter.h index 2aa6048a55c1..bab824bde92c 100644 --- a/include/net/netfilter/br_netfilter.h +++ b/include/net/netfilter/br_netfilter.h @@ -1,6 +1,66 @@ #ifndef _BR_NETFILTER_H_ #define _BR_NETFILTER_H_ +#include "../../../net/bridge/br_private.h" + +static inline struct nf_bridge_info *nf_bridge_alloc(struct sk_buff *skb) +{ + skb->nf_bridge = kzalloc(sizeof(struct nf_bridge_info), GFP_ATOMIC); + + if (likely(skb->nf_bridge)) + atomic_set(&(skb->nf_bridge->use), 1); + + return skb->nf_bridge; +} + +void nf_bridge_update_protocol(struct sk_buff *skb); + +static inline struct nf_bridge_info * +nf_bridge_info_get(const struct sk_buff *skb) +{ + return skb->nf_bridge; +} + +unsigned int nf_bridge_encap_header_len(const struct sk_buff *skb); + +static inline void nf_bridge_push_encap_header(struct sk_buff *skb) +{ + unsigned int len = nf_bridge_encap_header_len(skb); + + skb_push(skb, len); + skb->network_header -= len; +} + +int br_nf_pre_routing_finish_bridge(struct sock *sk, struct sk_buff *skb); + +static inline struct rtable *bridge_parent_rtable(const struct net_device *dev) +{ + struct net_bridge_port *port; + + port = br_port_get_rcu(dev); + return port ? &port->br->fake_rtable : NULL; +} + +struct net_device *setup_pre_routing(struct sk_buff *skb); void br_netfilter_enable(void); +#if IS_ENABLED(CONFIG_IPV6) +int br_validate_ipv6(struct sk_buff *skb); +unsigned int br_nf_pre_routing_ipv6(const struct nf_hook_ops *ops, + struct sk_buff *skb, + const struct nf_hook_state *state); +#else +static inline int br_validate_ipv6(struct sk_buff *skb) +{ + return -1; +} + +static inline unsigned int +br_nf_pre_routing_ipv6(const struct nf_hook_ops *ops, struct sk_buff *skb, + const struct nf_hook_state *state) +{ + return NF_DROP; +} +#endif + #endif /* _BR_NETFILTER_H_ */ diff --git a/include/net/netfilter/nf_queue.h b/include/net/netfilter/nf_queue.h index d81d584157e1..e8635854a55b 100644 --- a/include/net/netfilter/nf_queue.h +++ b/include/net/netfilter/nf_queue.h @@ -24,6 +24,8 @@ struct nf_queue_entry { struct nf_queue_handler { int (*outfn)(struct nf_queue_entry *entry, unsigned int queuenum); + void (*nf_hook_drop)(struct net *net, + struct nf_hook_ops *ops); }; void nf_register_queue_handler(const struct nf_queue_handler *qh); diff --git a/include/net/netfilter/nf_tables.h b/include/net/netfilter/nf_tables.h index e6bcf55dcf20..2a246680a6c3 100644 --- a/include/net/netfilter/nf_tables.h +++ b/include/net/netfilter/nf_tables.h @@ -781,6 +781,7 @@ struct nft_stats { }; #define NFT_HOOK_OPS_MAX 2 +#define NFT_BASECHAIN_DISABLED (1 << 0) /** * struct nft_base_chain - nf_tables base chain @@ -791,14 +792,17 @@ struct nft_stats { * @policy: default policy * @stats: per-cpu chain stats * @chain: the chain + * @dev_name: device name that this base chain is attached to (if any) */ struct nft_base_chain { struct nf_hook_ops ops[NFT_HOOK_OPS_MAX]; possible_net_t pnet; const struct nf_chain_type *type; u8 policy; + u8 flags; struct nft_stats __percpu *stats; struct nft_chain chain; + char dev_name[IFNAMSIZ]; }; static inline struct nft_base_chain *nft_base_chain(const struct nft_chain *chain) @@ -806,6 +810,11 @@ static inline struct nft_base_chain *nft_base_chain(const struct nft_chain *chai return container_of(chain, struct nft_base_chain, chain); } +int nft_register_basechain(struct nft_base_chain *basechain, + unsigned int hook_nops); +void nft_unregister_basechain(struct nft_base_chain *basechain, + unsigned int hook_nops); + unsigned int nft_do_chain(struct nft_pktinfo *pkt, const struct nf_hook_ops *ops); @@ -830,6 +839,10 @@ struct nft_table { char name[NFT_TABLE_MAXNAMELEN]; }; +enum nft_af_flags { + NFT_AF_NEEDS_DEV = (1 << 0), +}; + /** * struct nft_af_info - nf_tables address family info * @@ -838,6 +851,7 @@ struct nft_table { * @nhooks: number of hooks in this family * @owner: module owner * @tables: used internally + * @flags: family flags * @nops: number of hook ops in this family * @hook_ops_init: initialization function for chain hook ops * @hooks: hookfn overrides for packet validation @@ -848,6 +862,7 @@ struct nft_af_info { unsigned int nhooks; struct module *owner; struct list_head tables; + u32 flags; unsigned int nops; void (*hook_ops_init)(struct nf_hook_ops *, unsigned int); diff --git a/include/net/netns/ipv4.h b/include/net/netns/ipv4.h index 614a49be68a9..c68926b4899c 100644 --- a/include/net/netns/ipv4.h +++ b/include/net/netns/ipv4.h @@ -19,6 +19,7 @@ struct sock; struct local_ports { seqlock_t lock; int range[2]; + bool warned; }; struct ping_group_range { @@ -77,6 +78,8 @@ struct netns_ipv4 { struct local_ports ip_local_ports; int sysctl_tcp_ecn; + int sysctl_tcp_ecn_fallback; + int sysctl_ip_no_pmtu_disc; int sysctl_ip_fwd_use_pmtu; int sysctl_ip_nonlocal_bind; diff --git a/include/net/netns/ipv6.h b/include/net/netns/ipv6.h index d2527bf81142..8d93544a2d2b 100644 --- a/include/net/netns/ipv6.h +++ b/include/net/netns/ipv6.h @@ -34,6 +34,7 @@ struct netns_sysctl_ipv6 { int fwmark_reflect; int idgen_retries; int idgen_delay; + int flowlabel_state_ranges; }; struct netns_ipv6 { diff --git a/include/net/netns/netfilter.h b/include/net/netns/netfilter.h index 88740024ccf3..532e4ba64f49 100644 --- a/include/net/netns/netfilter.h +++ b/include/net/netns/netfilter.h @@ -1,9 +1,9 @@ #ifndef __NETNS_NETFILTER_H #define __NETNS_NETFILTER_H -#include <linux/proc_fs.h> -#include <linux/netfilter.h> +#include <linux/netfilter_defs.h> +struct proc_dir_entry; struct nf_logger; struct netns_nf { diff --git a/include/net/netns/nftables.h b/include/net/netns/nftables.h index eee608b12cc9..c80781146019 100644 --- a/include/net/netns/nftables.h +++ b/include/net/netns/nftables.h @@ -13,6 +13,7 @@ struct netns_nftables { struct nft_af_info *inet; struct nft_af_info *arp; struct nft_af_info *bridge; + struct nft_af_info *netdev; unsigned int base_seq; u8 gencursor; }; diff --git a/include/net/netns/sctp.h b/include/net/netns/sctp.h index 3573a81815ad..8ba379f9e467 100644 --- a/include/net/netns/sctp.h +++ b/include/net/netns/sctp.h @@ -31,6 +31,7 @@ struct netns_sctp { struct list_head addr_waitq; struct timer_list addr_wq_timer; struct list_head auto_asconf_splist; + /* Lock that protects both addr_waitq and auto_asconf_splist */ spinlock_t addr_wq_lock; /* Lock that protects the local_addr_list writers */ diff --git a/include/net/netns/x_tables.h b/include/net/netns/x_tables.h index 4d6597ad6067..c8a7681efa6a 100644 --- a/include/net/netns/x_tables.h +++ b/include/net/netns/x_tables.h @@ -2,7 +2,7 @@ #define __NETNS_X_TABLES_H #include <linux/list.h> -#include <linux/netfilter.h> +#include <linux/netfilter_defs.h> struct ebt_table; diff --git a/include/net/nfc/hci.h b/include/net/nfc/hci.h index 020a814bc8ed..316694dafa5b 100644 --- a/include/net/nfc/hci.h +++ b/include/net/nfc/hci.h @@ -179,6 +179,13 @@ void nfc_hci_unregister_device(struct nfc_hci_dev *hdev); void nfc_hci_set_clientdata(struct nfc_hci_dev *hdev, void *clientdata); void *nfc_hci_get_clientdata(struct nfc_hci_dev *hdev); +static inline int nfc_hci_set_vendor_cmds(struct nfc_hci_dev *hdev, + struct nfc_vendor_cmd *cmds, + int n_cmds) +{ + return nfc_set_vendor_cmds(hdev->ndev, cmds, n_cmds); +} + void nfc_hci_driver_failure(struct nfc_hci_dev *hdev, int err); int nfc_hci_result_to_errno(u8 result); diff --git a/include/net/nfc/nci.h b/include/net/nfc/nci.h index a2f2f3d3196d..75d2e1880059 100644 --- a/include/net/nfc/nci.h +++ b/include/net/nfc/nci.h @@ -35,6 +35,7 @@ #define NCI_MAX_NUM_RF_CONFIGS 10 #define NCI_MAX_NUM_CONN 10 #define NCI_MAX_PARAM_LEN 251 +#define NCI_MAX_PACKET_SIZE 258 /* NCI Status Codes */ #define NCI_STATUS_OK 0x00 diff --git a/include/net/nfc/nci_core.h b/include/net/nfc/nci_core.h index d4dcc7199fd7..01fc8c531115 100644 --- a/include/net/nfc/nci_core.h +++ b/include/net/nfc/nci_core.h @@ -31,6 +31,7 @@ #include <linux/interrupt.h> #include <linux/skbuff.h> +#include <linux/tty.h> #include <net/nfc/nfc.h> #include <net/nfc/nci.h> @@ -66,7 +67,14 @@ enum nci_state { struct nci_dev; +struct nci_prop_ops { + __u16 opcode; + int (*rsp)(struct nci_dev *dev, struct sk_buff *skb); + int (*ntf)(struct nci_dev *dev, struct sk_buff *skb); +}; + struct nci_ops { + int (*init)(struct nci_dev *ndev); int (*open)(struct nci_dev *ndev); int (*close)(struct nci_dev *ndev); int (*send)(struct nci_dev *ndev, struct sk_buff *skb); @@ -84,12 +92,16 @@ struct nci_ops { struct sk_buff *skb); void (*hci_cmd_received)(struct nci_dev *ndev, u8 pipe, u8 cmd, struct sk_buff *skb); + + struct nci_prop_ops *prop_ops; + size_t n_prop_ops; }; #define NCI_MAX_SUPPORTED_RF_INTERFACES 4 #define NCI_MAX_DISCOVERED_TARGETS 10 #define NCI_MAX_NUM_NFCEE 255 #define NCI_MAX_CONN_ID 7 +#define NCI_MAX_PROPRIETARY_CMD 64 struct nci_conn_info { struct list_head list; @@ -264,6 +276,8 @@ int nci_request(struct nci_dev *ndev, void (*req)(struct nci_dev *ndev, unsigned long opt), unsigned long opt, __u32 timeout); +int nci_prop_cmd(struct nci_dev *ndev, __u8 oid, size_t len, __u8 *payload); + int nci_recv_frame(struct nci_dev *ndev, struct sk_buff *skb); int nci_set_config(struct nci_dev *ndev, __u8 id, size_t len, __u8 *val); @@ -318,8 +332,19 @@ static inline void *nci_get_drvdata(struct nci_dev *ndev) return ndev->driver_data; } +static inline int nci_set_vendor_cmds(struct nci_dev *ndev, + struct nfc_vendor_cmd *cmds, + int n_cmds) +{ + return nfc_set_vendor_cmds(ndev->nfc_dev, cmds, n_cmds); +} + void nci_rsp_packet(struct nci_dev *ndev, struct sk_buff *skb); void nci_ntf_packet(struct nci_dev *ndev, struct sk_buff *skb); +int nci_prop_rsp_packet(struct nci_dev *ndev, __u16 opcode, + struct sk_buff *skb); +int nci_prop_ntf_packet(struct nci_dev *ndev, __u16 opcode, + struct sk_buff *skb); void nci_rx_data_packet(struct nci_dev *ndev, struct sk_buff *skb); int nci_send_cmd(struct nci_dev *ndev, __u16 opcode, __u8 plen, void *payload); int nci_send_data(struct nci_dev *ndev, __u8 conn_id, struct sk_buff *skb); @@ -367,4 +392,50 @@ int nci_spi_send(struct nci_spi *nspi, struct sk_buff *skb); struct sk_buff *nci_spi_read(struct nci_spi *nspi); +/* ----- NCI UART ---- */ + +/* Ioctl */ +#define NCIUARTSETDRIVER _IOW('U', 0, char *) + +enum nci_uart_driver { + NCI_UART_DRIVER_MARVELL = 0, + NCI_UART_DRIVER_MAX +}; + +struct nci_uart; + +struct nci_uart_ops { + int (*open)(struct nci_uart *nci_uart); + void (*close)(struct nci_uart *nci_uart); + int (*recv)(struct nci_uart *nci_uart, struct sk_buff *skb); + int (*recv_buf)(struct nci_uart *nci_uart, const u8 *data, char *flags, + int count); + int (*send)(struct nci_uart *nci_uart, struct sk_buff *skb); + void (*tx_start)(struct nci_uart *nci_uart); + void (*tx_done)(struct nci_uart *nci_uart); +}; + +struct nci_uart { + struct module *owner; + struct nci_uart_ops ops; + const char *name; + enum nci_uart_driver driver; + + /* Dynamic data */ + struct nci_dev *ndev; + spinlock_t rx_lock; + struct work_struct write_work; + struct tty_struct *tty; + unsigned long tx_state; + struct sk_buff_head tx_q; + struct sk_buff *tx_skb; + struct sk_buff *rx_skb; + int rx_packet_len; + void *drv_data; +}; + +int nci_uart_register(struct nci_uart *nu); +void nci_uart_unregister(struct nci_uart *nu); +void nci_uart_set_config(struct nci_uart *nu, int baudrate, int flow_ctrl); + #endif /* __NCI_CORE_H */ diff --git a/include/net/nfc/nfc.h b/include/net/nfc/nfc.h index 7ac029c07546..f9e58ae45f9c 100644 --- a/include/net/nfc/nfc.h +++ b/include/net/nfc/nfc.h @@ -165,6 +165,12 @@ struct nfc_genl_data { struct mutex genl_data_mutex; }; +struct nfc_vendor_cmd { + __u32 vendor_id; + __u32 subcmd; + int (*doit)(struct nfc_dev *dev, void *data, size_t data_len); +}; + struct nfc_dev { int idx; u32 target_next_idx; @@ -193,6 +199,9 @@ struct nfc_dev { struct rfkill *rfkill; + struct nfc_vendor_cmd *vendor_cmds; + int n_vendor_cmds; + struct nfc_ops *ops; }; #define to_nfc_dev(_dev) container_of(_dev, struct nfc_dev, dev) @@ -296,4 +305,17 @@ struct nfc_se *nfc_find_se(struct nfc_dev *dev, u32 se_idx); void nfc_send_to_raw_sock(struct nfc_dev *dev, struct sk_buff *skb, u8 payload_type, u8 direction); +static inline int nfc_set_vendor_cmds(struct nfc_dev *dev, + struct nfc_vendor_cmd *cmds, + int n_cmds) +{ + if (dev->vendor_cmds || dev->n_vendor_cmds) + return -EINVAL; + + dev->vendor_cmds = cmds; + dev->n_vendor_cmds = n_cmds; + + return 0; +} + #endif /* __NET_NFC_H */ diff --git a/include/net/nl802154.h b/include/net/nl802154.h index f8b5bc997959..b0ab530d28cd 100644 --- a/include/net/nl802154.h +++ b/include/net/nl802154.h @@ -100,6 +100,10 @@ enum nl802154_attrs { NL802154_ATTR_EXTENDED_ADDR, + NL802154_ATTR_WPAN_PHY_CAPS, + + NL802154_ATTR_SUPPORTED_COMMANDS, + /* add attributes here, update the policy in nl802154.c */ __NL802154_ATTR_AFTER_LAST, @@ -120,6 +124,61 @@ enum nl802154_iftype { }; /** + * enum nl802154_wpan_phy_capability_attr - wpan phy capability attributes + * + * @__NL802154_CAP_ATTR_INVALID: attribute number 0 is reserved + * @NL802154_CAP_ATTR_CHANNELS: a nested attribute for nl802154_channel_attr + * @NL802154_CAP_ATTR_TX_POWERS: a nested attribute for + * nl802154_wpan_phy_tx_power + * @NL802154_CAP_ATTR_MIN_CCA_ED_LEVEL: minimum value for cca_ed_level + * @NL802154_CAP_ATTR_MAX_CCA_ED_LEVEL: maxmimum value for cca_ed_level + * @NL802154_CAP_ATTR_CCA_MODES: nl802154_cca_modes flags + * @NL802154_CAP_ATTR_CCA_OPTS: nl802154_cca_opts flags + * @NL802154_CAP_ATTR_MIN_MINBE: minimum of minbe value + * @NL802154_CAP_ATTR_MAX_MINBE: maximum of minbe value + * @NL802154_CAP_ATTR_MIN_MAXBE: minimum of maxbe value + * @NL802154_CAP_ATTR_MAX_MINBE: maximum of maxbe value + * @NL802154_CAP_ATTR_MIN_CSMA_BACKOFFS: minimum of csma backoff value + * @NL802154_CAP_ATTR_MAX_CSMA_BACKOFFS: maximum of csma backoffs value + * @NL802154_CAP_ATTR_MIN_FRAME_RETRIES: minimum of frame retries value + * @NL802154_CAP_ATTR_MAX_FRAME_RETRIES: maximum of frame retries value + * @NL802154_CAP_ATTR_IFTYPES: nl802154_iftype flags + * @NL802154_CAP_ATTR_LBT: nl802154_supported_bool_states flags + * @NL802154_CAP_ATTR_MAX: highest cap attribute currently defined + * @__NL802154_CAP_ATTR_AFTER_LAST: internal use + */ +enum nl802154_wpan_phy_capability_attr { + __NL802154_CAP_ATTR_INVALID, + + NL802154_CAP_ATTR_IFTYPES, + + NL802154_CAP_ATTR_CHANNELS, + NL802154_CAP_ATTR_TX_POWERS, + + NL802154_CAP_ATTR_CCA_ED_LEVELS, + NL802154_CAP_ATTR_CCA_MODES, + NL802154_CAP_ATTR_CCA_OPTS, + + NL802154_CAP_ATTR_MIN_MINBE, + NL802154_CAP_ATTR_MAX_MINBE, + + NL802154_CAP_ATTR_MIN_MAXBE, + NL802154_CAP_ATTR_MAX_MAXBE, + + NL802154_CAP_ATTR_MIN_CSMA_BACKOFFS, + NL802154_CAP_ATTR_MAX_CSMA_BACKOFFS, + + NL802154_CAP_ATTR_MIN_FRAME_RETRIES, + NL802154_CAP_ATTR_MAX_FRAME_RETRIES, + + NL802154_CAP_ATTR_LBT, + + /* keep last */ + __NL802154_CAP_ATTR_AFTER_LAST, + NL802154_CAP_ATTR_MAX = __NL802154_CAP_ATTR_AFTER_LAST - 1 +}; + +/** * enum nl802154_cca_modes - cca modes * * @__NL802154_CCA_INVALID: cca mode number 0 is reserved @@ -128,7 +187,7 @@ enum nl802154_iftype { * @NL802154_CCA_ENERGY_CARRIER: Carrier sense with energy above threshold * @NL802154_CCA_ALOHA: CCA shall always report an idle medium * @NL802154_CCA_UWB_SHR: UWB preamble sense based on the SHR of a frame - * @NL802154_CCA_UWB_MULTIPEXED: UWB preamble sense based on the packet with + * @NL802154_CCA_UWB_MULTIPLEXED: UWB preamble sense based on the packet with * the multiplexed preamble * @__NL802154_CCA_ATTR_AFTER_LAST: Internal * @NL802154_CCA_ATTR_MAX: Maximum CCA attribute number @@ -140,7 +199,7 @@ enum nl802154_cca_modes { NL802154_CCA_ENERGY_CARRIER, NL802154_CCA_ALOHA, NL802154_CCA_UWB_SHR, - NL802154_CCA_UWB_MULTIPEXED, + NL802154_CCA_UWB_MULTIPLEXED, /* keep last */ __NL802154_CCA_ATTR_AFTER_LAST, @@ -162,4 +221,26 @@ enum nl802154_cca_opts { NL802154_CCA_OPT_ATTR_MAX = __NL802154_CCA_OPT_ATTR_AFTER_LAST - 1 }; +/** + * enum nl802154_supported_bool_states - bool states for bool capability entry + * + * @NL802154_SUPPORTED_BOOL_FALSE: indicates to set false + * @NL802154_SUPPORTED_BOOL_TRUE: indicates to set true + * @__NL802154_SUPPORTED_BOOL_INVALD: reserved + * @NL802154_SUPPORTED_BOOL_BOTH: indicates to set true and false + * @__NL802154_SUPPORTED_BOOL_AFTER_LAST: Internal + * @NL802154_SUPPORTED_BOOL_MAX: highest value for bool states + */ +enum nl802154_supported_bool_states { + NL802154_SUPPORTED_BOOL_FALSE, + NL802154_SUPPORTED_BOOL_TRUE, + /* to handle them in a mask */ + __NL802154_SUPPORTED_BOOL_INVALD, + NL802154_SUPPORTED_BOOL_BOTH, + + /* keep last */ + __NL802154_SUPPORTED_BOOL_AFTER_LAST, + NL802154_SUPPORTED_BOOL_MAX = __NL802154_SUPPORTED_BOOL_AFTER_LAST - 1 +}; + #endif /* __NL802154_H */ diff --git a/include/net/request_sock.h b/include/net/request_sock.h index 9f4265ce8892..87935cad2f7b 100644 --- a/include/net/request_sock.h +++ b/include/net/request_sock.h @@ -64,6 +64,7 @@ struct request_sock { struct timer_list rsk_timer; const struct request_sock_ops *rsk_ops; struct sock *sk; + u32 *saved_syn; u32 secid; u32 peer_secid; }; @@ -77,7 +78,7 @@ reqsk_alloc(const struct request_sock_ops *ops, struct sock *sk_listener) req->rsk_ops = ops; sock_hold(sk_listener); req->rsk_listener = sk_listener; - + req->saved_syn = NULL; /* Following is temporary. It is coupled with debugging * helpers in reqsk_put() & reqsk_free() */ @@ -104,6 +105,7 @@ static inline void reqsk_free(struct request_sock *req) req->rsk_ops->destructor(req); if (req->rsk_listener) sock_put(req->rsk_listener); + kfree(req->saved_syn); kmem_cache_free(req->rsk_ops->slab, req); } diff --git a/include/net/sch_generic.h b/include/net/sch_generic.h index 6d778efcfdfd..2738f6f87908 100644 --- a/include/net/sch_generic.h +++ b/include/net/sch_generic.h @@ -501,12 +501,6 @@ static inline int qdisc_enqueue(struct sk_buff *skb, struct Qdisc *sch) return sch->enqueue(skb, sch); } -static inline int qdisc_enqueue_root(struct sk_buff *skb, struct Qdisc *sch) -{ - qdisc_skb_cb(skb)->pkt_len = skb->len; - return qdisc_enqueue(skb, sch) & NET_XMIT_MASK; -} - static inline bool qdisc_is_percpu_stats(const struct Qdisc *q) { return q->flags & TCQ_F_CPUSTATS; @@ -745,23 +739,6 @@ static inline u32 qdisc_l2t(struct qdisc_rate_table* rtab, unsigned int pktlen) return rtab->data[slot]; } -#ifdef CONFIG_NET_CLS_ACT -static inline struct sk_buff *skb_act_clone(struct sk_buff *skb, gfp_t gfp_mask, - int action) -{ - struct sk_buff *n; - - n = skb_clone(skb, gfp_mask); - - if (n) { - n->tc_verd = SET_TC_VERD(n->tc_verd, 0); - n->tc_verd = CLR_TC_OK2MUNGE(n->tc_verd); - n->tc_verd = CLR_TC_MUNGED(n->tc_verd); - } - return n; -} -#endif - struct psched_ratecfg { u64 rate_bytes_ps; /* bytes per second */ u32 mult; diff --git a/include/net/sctp/structs.h b/include/net/sctp/structs.h index 2bb2fcf5b11f..495c87e367b3 100644 --- a/include/net/sctp/structs.h +++ b/include/net/sctp/structs.h @@ -223,6 +223,10 @@ struct sctp_sock { atomic_t pd_mode; /* Receive to here while partial delivery is in effect. */ struct sk_buff_head pd_lobby; + + /* These must be the last fields, as they will skipped on copies, + * like on accept and peeloff operations + */ struct list_head auto_asconf_list; int do_auto_asconf; }; diff --git a/include/net/sock.h b/include/net/sock.h index 3a4898ec8c67..05a8c1aea251 100644 --- a/include/net/sock.h +++ b/include/net/sock.h @@ -184,6 +184,7 @@ struct sock_common { unsigned char skc_reuse:4; unsigned char skc_reuseport:1; unsigned char skc_ipv6only:1; + unsigned char skc_net_refcnt:1; int skc_bound_dev_if; union { struct hlist_node skc_bind_node; @@ -276,7 +277,6 @@ struct cg_proto; * @sk_incoming_cpu: record cpu processing incoming packets * @sk_txhash: computed flow hash for use on transmit * @sk_filter: socket filtering instructions - * @sk_protinfo: private area, net family specific, when not using slab * @sk_timer: sock cleanup timer * @sk_stamp: time stamp of last packet received * @sk_tsflags: SO_TIMESTAMPING socket options @@ -323,6 +323,7 @@ struct sock { #define sk_reuse __sk_common.skc_reuse #define sk_reuseport __sk_common.skc_reuseport #define sk_ipv6only __sk_common.skc_ipv6only +#define sk_net_refcnt __sk_common.skc_net_refcnt #define sk_bound_dev_if __sk_common.skc_bound_dev_if #define sk_bind_node __sk_common.skc_bind_node #define sk_prot __sk_common.skc_prot @@ -414,7 +415,6 @@ struct sock { const struct cred *sk_peer_cred; long sk_rcvtimeo; long sk_sndtimeo; - void *sk_protinfo; struct timer_list sk_timer; ktime_t sk_stamp; u16 sk_tsflags; @@ -924,7 +924,6 @@ static inline void sk_prot_clear_nulls(struct sock *sk, int size) /* Networking protocol blocks we attach to sockets. * socket layer -> transport layer interface - * transport -> network interface is defined by struct inet_proto */ struct proto { void (*close)(struct sock *sk, @@ -1366,7 +1365,7 @@ static inline struct inode *SOCK_INODE(struct socket *socket) * Functions for memory accounting */ int __sk_mem_schedule(struct sock *sk, int size, int kind); -void __sk_mem_reclaim(struct sock *sk); +void __sk_mem_reclaim(struct sock *sk, int amount); #define SK_MEM_QUANTUM ((int)PAGE_SIZE) #define SK_MEM_QUANTUM_SHIFT ilog2(SK_MEM_QUANTUM) @@ -1407,7 +1406,7 @@ static inline void sk_mem_reclaim(struct sock *sk) if (!sk_has_account(sk)) return; if (sk->sk_forward_alloc >= SK_MEM_QUANTUM) - __sk_mem_reclaim(sk); + __sk_mem_reclaim(sk, sk->sk_forward_alloc); } static inline void sk_mem_reclaim_partial(struct sock *sk) @@ -1415,7 +1414,7 @@ static inline void sk_mem_reclaim_partial(struct sock *sk) if (!sk_has_account(sk)) return; if (sk->sk_forward_alloc > SK_MEM_QUANTUM) - __sk_mem_reclaim(sk); + __sk_mem_reclaim(sk, sk->sk_forward_alloc - 1); } static inline void sk_mem_charge(struct sock *sk, int size) @@ -1514,9 +1513,9 @@ static inline void unlock_sock_fast(struct sock *sk, bool slow) struct sock *sk_alloc(struct net *net, int family, gfp_t priority, - struct proto *prot); + struct proto *prot, int kern); void sk_free(struct sock *sk); -void sk_release_kernel(struct sock *sk); +void sk_destruct(struct sock *sk); struct sock *sk_clone_lock(const struct sock *sk, const gfp_t priority); struct sk_buff *sock_wmalloc(struct sock *sk, unsigned long size, int force, @@ -2024,7 +2023,8 @@ static inline void sk_stream_moderate_sndbuf(struct sock *sk) } } -struct sk_buff *sk_stream_alloc_skb(struct sock *sk, int size, gfp_t gfp); +struct sk_buff *sk_stream_alloc_skb(struct sock *sk, int size, gfp_t gfp, + bool force_schedule); /** * sk_page_frag - return an appropriate page_frag @@ -2192,22 +2192,6 @@ void sock_net_set(struct sock *sk, struct net *net) write_pnet(&sk->sk_net, net); } -/* - * Kernel sockets, f.e. rtnl or icmp_socket, are a part of a namespace. - * They should not hold a reference to a namespace in order to allow - * to stop it. - * Sockets after sk_change_net should be released using sk_release_kernel - */ -static inline void sk_change_net(struct sock *sk, struct net *net) -{ - struct net *current_net = sock_net(sk); - - if (!net_eq(current_net, net)) { - put_net(current_net); - sock_net_set(sk, net); - } -} - static inline struct sock *skb_steal_sock(struct sk_buff *skb) { if (skb->sk) { diff --git a/include/net/switchdev.h b/include/net/switchdev.h index d2e69ee3019a..d5671f118bfc 100644 --- a/include/net/switchdev.h +++ b/include/net/switchdev.h @@ -14,154 +14,261 @@ #include <linux/netdevice.h> #include <linux/notifier.h> +#define SWITCHDEV_F_NO_RECURSE BIT(0) + +enum switchdev_trans { + SWITCHDEV_TRANS_NONE, + SWITCHDEV_TRANS_PREPARE, + SWITCHDEV_TRANS_ABORT, + SWITCHDEV_TRANS_COMMIT, +}; + +enum switchdev_attr_id { + SWITCHDEV_ATTR_UNDEFINED, + SWITCHDEV_ATTR_PORT_PARENT_ID, + SWITCHDEV_ATTR_PORT_STP_STATE, + SWITCHDEV_ATTR_PORT_BRIDGE_FLAGS, +}; + +struct switchdev_attr { + enum switchdev_attr_id id; + enum switchdev_trans trans; + u32 flags; + union { + struct netdev_phys_item_id ppid; /* PORT_PARENT_ID */ + u8 stp_state; /* PORT_STP_STATE */ + unsigned long brport_flags; /* PORT_BRIDGE_FLAGS */ + } u; +}; + struct fib_info; +enum switchdev_obj_id { + SWITCHDEV_OBJ_UNDEFINED, + SWITCHDEV_OBJ_PORT_VLAN, + SWITCHDEV_OBJ_IPV4_FIB, + SWITCHDEV_OBJ_PORT_FDB, +}; + +struct switchdev_obj { + enum switchdev_obj_id id; + enum switchdev_trans trans; + int (*cb)(struct net_device *dev, struct switchdev_obj *obj); + union { + struct switchdev_obj_vlan { /* PORT_VLAN */ + u16 flags; + u16 vid_begin; + u16 vid_end; + } vlan; + struct switchdev_obj_ipv4_fib { /* IPV4_FIB */ + u32 dst; + int dst_len; + struct fib_info *fi; + u8 tos; + u8 type; + u32 nlflags; + u32 tb_id; + } ipv4_fib; + struct switchdev_obj_fdb { /* PORT_FDB */ + const unsigned char *addr; + u16 vid; + } fdb; + } u; +}; + /** * struct switchdev_ops - switchdev operations * - * @swdev_parent_id_get: Called to get an ID of the switch chip this port - * is part of. If driver implements this, it indicates that it - * represents a port of a switch chip. + * @switchdev_port_attr_get: Get a port attribute (see switchdev_attr). + * + * @switchdev_port_attr_set: Set a port attribute (see switchdev_attr). * - * @swdev_port_stp_update: Called to notify switch device port of bridge - * port STP state change. + * @switchdev_port_obj_add: Add an object to port (see switchdev_obj). * - * @swdev_fib_ipv4_add: Called to add/modify IPv4 route to switch device. + * @switchdev_port_obj_del: Delete an object from port (see switchdev_obj). * - * @swdev_fib_ipv4_del: Called to delete IPv4 route from switch device. + * @switchdev_port_obj_dump: Dump port objects (see switchdev_obj). */ -struct swdev_ops { - int (*swdev_parent_id_get)(struct net_device *dev, - struct netdev_phys_item_id *psid); - int (*swdev_port_stp_update)(struct net_device *dev, u8 state); - int (*swdev_fib_ipv4_add)(struct net_device *dev, __be32 dst, - int dst_len, struct fib_info *fi, - u8 tos, u8 type, u32 nlflags, - u32 tb_id); - int (*swdev_fib_ipv4_del)(struct net_device *dev, __be32 dst, - int dst_len, struct fib_info *fi, - u8 tos, u8 type, u32 tb_id); +struct switchdev_ops { + int (*switchdev_port_attr_get)(struct net_device *dev, + struct switchdev_attr *attr); + int (*switchdev_port_attr_set)(struct net_device *dev, + struct switchdev_attr *attr); + int (*switchdev_port_obj_add)(struct net_device *dev, + struct switchdev_obj *obj); + int (*switchdev_port_obj_del)(struct net_device *dev, + struct switchdev_obj *obj); + int (*switchdev_port_obj_dump)(struct net_device *dev, + struct switchdev_obj *obj); }; -enum netdev_switch_notifier_type { - NETDEV_SWITCH_FDB_ADD = 1, - NETDEV_SWITCH_FDB_DEL, +enum switchdev_notifier_type { + SWITCHDEV_FDB_ADD = 1, + SWITCHDEV_FDB_DEL, }; -struct netdev_switch_notifier_info { +struct switchdev_notifier_info { struct net_device *dev; }; -struct netdev_switch_notifier_fdb_info { - struct netdev_switch_notifier_info info; /* must be first */ +struct switchdev_notifier_fdb_info { + struct switchdev_notifier_info info; /* must be first */ const unsigned char *addr; u16 vid; }; static inline struct net_device * -netdev_switch_notifier_info_to_dev(const struct netdev_switch_notifier_info *info) +switchdev_notifier_info_to_dev(const struct switchdev_notifier_info *info) { return info->dev; } #ifdef CONFIG_NET_SWITCHDEV -int netdev_switch_parent_id_get(struct net_device *dev, - struct netdev_phys_item_id *psid); -int netdev_switch_port_stp_update(struct net_device *dev, u8 state); -int register_netdev_switch_notifier(struct notifier_block *nb); -int unregister_netdev_switch_notifier(struct notifier_block *nb); -int call_netdev_switch_notifiers(unsigned long val, struct net_device *dev, - struct netdev_switch_notifier_info *info); -int netdev_switch_port_bridge_setlink(struct net_device *dev, - struct nlmsghdr *nlh, u16 flags); -int netdev_switch_port_bridge_dellink(struct net_device *dev, - struct nlmsghdr *nlh, u16 flags); -int ndo_dflt_netdev_switch_port_bridge_dellink(struct net_device *dev, - struct nlmsghdr *nlh, u16 flags); -int ndo_dflt_netdev_switch_port_bridge_setlink(struct net_device *dev, - struct nlmsghdr *nlh, u16 flags); -int netdev_switch_fib_ipv4_add(u32 dst, int dst_len, struct fib_info *fi, - u8 tos, u8 type, u32 nlflags, u32 tb_id); -int netdev_switch_fib_ipv4_del(u32 dst, int dst_len, struct fib_info *fi, - u8 tos, u8 type, u32 tb_id); -void netdev_switch_fib_ipv4_abort(struct fib_info *fi); +int switchdev_port_attr_get(struct net_device *dev, + struct switchdev_attr *attr); +int switchdev_port_attr_set(struct net_device *dev, + struct switchdev_attr *attr); +int switchdev_port_obj_add(struct net_device *dev, struct switchdev_obj *obj); +int switchdev_port_obj_del(struct net_device *dev, struct switchdev_obj *obj); +int switchdev_port_obj_dump(struct net_device *dev, struct switchdev_obj *obj); +int register_switchdev_notifier(struct notifier_block *nb); +int unregister_switchdev_notifier(struct notifier_block *nb); +int call_switchdev_notifiers(unsigned long val, struct net_device *dev, + struct switchdev_notifier_info *info); +int switchdev_port_bridge_getlink(struct sk_buff *skb, u32 pid, u32 seq, + struct net_device *dev, u32 filter_mask, + int nlflags); +int switchdev_port_bridge_setlink(struct net_device *dev, + struct nlmsghdr *nlh, u16 flags); +int switchdev_port_bridge_dellink(struct net_device *dev, + struct nlmsghdr *nlh, u16 flags); +int switchdev_fib_ipv4_add(u32 dst, int dst_len, struct fib_info *fi, + u8 tos, u8 type, u32 nlflags, u32 tb_id); +int switchdev_fib_ipv4_del(u32 dst, int dst_len, struct fib_info *fi, + u8 tos, u8 type, u32 tb_id); +void switchdev_fib_ipv4_abort(struct fib_info *fi); +int switchdev_port_fdb_add(struct ndmsg *ndm, struct nlattr *tb[], + struct net_device *dev, const unsigned char *addr, + u16 vid, u16 nlm_flags); +int switchdev_port_fdb_del(struct ndmsg *ndm, struct nlattr *tb[], + struct net_device *dev, const unsigned char *addr, + u16 vid); +int switchdev_port_fdb_dump(struct sk_buff *skb, struct netlink_callback *cb, + struct net_device *dev, + struct net_device *filter_dev, int idx); #else -static inline int netdev_switch_parent_id_get(struct net_device *dev, - struct netdev_phys_item_id *psid) +static inline int switchdev_port_attr_get(struct net_device *dev, + struct switchdev_attr *attr) +{ + return -EOPNOTSUPP; +} + +static inline int switchdev_port_attr_set(struct net_device *dev, + struct switchdev_attr *attr) +{ + return -EOPNOTSUPP; +} + +static inline int switchdev_port_obj_add(struct net_device *dev, + struct switchdev_obj *obj) { return -EOPNOTSUPP; } -static inline int netdev_switch_port_stp_update(struct net_device *dev, - u8 state) +static inline int switchdev_port_obj_del(struct net_device *dev, + struct switchdev_obj *obj) { return -EOPNOTSUPP; } -static inline int register_netdev_switch_notifier(struct notifier_block *nb) +static inline int switchdev_port_obj_dump(struct net_device *dev, + struct switchdev_obj *obj) +{ + return -EOPNOTSUPP; +} + +static inline int register_switchdev_notifier(struct notifier_block *nb) { return 0; } -static inline int unregister_netdev_switch_notifier(struct notifier_block *nb) +static inline int unregister_switchdev_notifier(struct notifier_block *nb) { return 0; } -static inline int call_netdev_switch_notifiers(unsigned long val, struct net_device *dev, - struct netdev_switch_notifier_info *info) +static inline int call_switchdev_notifiers(unsigned long val, + struct net_device *dev, + struct switchdev_notifier_info *info) { return NOTIFY_DONE; } -static inline int netdev_switch_port_bridge_setlink(struct net_device *dev, - struct nlmsghdr *nlh, - u16 flags) +static inline int switchdev_port_bridge_getlink(struct sk_buff *skb, u32 pid, + u32 seq, struct net_device *dev, + u32 filter_mask, int nlflags) { return -EOPNOTSUPP; } -static inline int netdev_switch_port_bridge_dellink(struct net_device *dev, - struct nlmsghdr *nlh, - u16 flags) +static inline int switchdev_port_bridge_setlink(struct net_device *dev, + struct nlmsghdr *nlh, + u16 flags) { return -EOPNOTSUPP; } -static inline int ndo_dflt_netdev_switch_port_bridge_dellink(struct net_device *dev, - struct nlmsghdr *nlh, - u16 flags) +static inline int switchdev_port_bridge_dellink(struct net_device *dev, + struct nlmsghdr *nlh, + u16 flags) { - return 0; + return -EOPNOTSUPP; } -static inline int ndo_dflt_netdev_switch_port_bridge_setlink(struct net_device *dev, - struct nlmsghdr *nlh, - u16 flags) +static inline int switchdev_fib_ipv4_add(u32 dst, int dst_len, + struct fib_info *fi, + u8 tos, u8 type, + u32 nlflags, u32 tb_id) { return 0; } -static inline int netdev_switch_fib_ipv4_add(u32 dst, int dst_len, - struct fib_info *fi, - u8 tos, u8 type, - u32 nlflags, u32 tb_id) +static inline int switchdev_fib_ipv4_del(u32 dst, int dst_len, + struct fib_info *fi, + u8 tos, u8 type, u32 tb_id) { return 0; } -static inline int netdev_switch_fib_ipv4_del(u32 dst, int dst_len, - struct fib_info *fi, - u8 tos, u8 type, u32 tb_id) +static inline void switchdev_fib_ipv4_abort(struct fib_info *fi) { - return 0; } -static inline void netdev_switch_fib_ipv4_abort(struct fib_info *fi) +static inline int switchdev_port_fdb_add(struct ndmsg *ndm, struct nlattr *tb[], + struct net_device *dev, + const unsigned char *addr, + u16 vid, u16 nlm_flags) { + return -EOPNOTSUPP; +} + +static inline int switchdev_port_fdb_del(struct ndmsg *ndm, struct nlattr *tb[], + struct net_device *dev, + const unsigned char *addr, u16 vid) +{ + return -EOPNOTSUPP; +} + +static inline int switchdev_port_fdb_dump(struct sk_buff *skb, + struct netlink_callback *cb, + struct net_device *dev, + struct net_device *filter_dev, + int idx) +{ + return -EOPNOTSUPP; } #endif diff --git a/include/net/tcp.h b/include/net/tcp.h index 6d204f3f9df8..950cfecaad3c 100644 --- a/include/net/tcp.h +++ b/include/net/tcp.h @@ -286,6 +286,14 @@ extern atomic_long_t tcp_memory_allocated; extern struct percpu_counter tcp_sockets_allocated; extern int tcp_memory_pressure; +/* optimized version of sk_under_memory_pressure() for TCP sockets */ +static inline bool tcp_under_memory_pressure(const struct sock *sk) +{ + if (mem_cgroup_sockets_enabled && sk->sk_cgrp) + return !!sk->sk_cgrp->memory_pressure; + + return tcp_memory_pressure; +} /* * The next routines deal with comparing 32 bit unsigned ints * and worry about wraparound (automatic with unsigned arithmetic). @@ -311,6 +319,8 @@ static inline bool tcp_out_of_memory(struct sock *sk) return false; } +void sk_forced_mem_schedule(struct sock *sk, int size); + static inline bool tcp_too_many_orphans(struct sock *sk, int shift) { struct percpu_counter *ocp = sk->sk_prot->orphan_count; @@ -326,18 +336,6 @@ static inline bool tcp_too_many_orphans(struct sock *sk, int shift) bool tcp_check_oom(struct sock *sk, int shift); -/* syncookies: remember time of last synqueue overflow */ -static inline void tcp_synq_overflow(struct sock *sk) -{ - tcp_sk(sk)->rx_opt.ts_recent_stamp = jiffies; -} - -/* syncookies: no recent synqueue overflow on this listening socket? */ -static inline bool tcp_synq_no_recent_overflow(const struct sock *sk) -{ - unsigned long last_overflow = tcp_sk(sk)->rx_opt.ts_recent_stamp; - return time_after(jiffies, last_overflow + TCP_TIMEOUT_FALLBACK); -} extern struct proto tcp_prot; @@ -471,6 +469,9 @@ int tcp_send_rcvq(struct sock *sk, struct msghdr *msg, size_t size); void inet_sk_rx_dst_set(struct sock *sk, const struct sk_buff *skb); /* From syncookies.c */ +struct sock *tcp_get_cookie_sock(struct sock *sk, struct sk_buff *skb, + struct request_sock *req, + struct dst_entry *dst); int __cookie_v4_check(const struct iphdr *iph, const struct tcphdr *th, u32 cookie); struct sock *cookie_v4_check(struct sock *sk, struct sk_buff *skb); @@ -483,13 +484,35 @@ struct sock *cookie_v4_check(struct sock *sk, struct sk_buff *skb); * i.e. a sent cookie is valid only at most for 2*60 seconds (or less if * the counter advances immediately after a cookie is generated). */ -#define MAX_SYNCOOKIE_AGE 2 +#define MAX_SYNCOOKIE_AGE 2 +#define TCP_SYNCOOKIE_PERIOD (60 * HZ) +#define TCP_SYNCOOKIE_VALID (MAX_SYNCOOKIE_AGE * TCP_SYNCOOKIE_PERIOD) + +/* syncookies: remember time of last synqueue overflow + * But do not dirty this field too often (once per second is enough) + */ +static inline void tcp_synq_overflow(struct sock *sk) +{ + unsigned long last_overflow = tcp_sk(sk)->rx_opt.ts_recent_stamp; + unsigned long now = jiffies; + + if (time_after(now, last_overflow + HZ)) + tcp_sk(sk)->rx_opt.ts_recent_stamp = now; +} + +/* syncookies: no recent synqueue overflow on this listening socket? */ +static inline bool tcp_synq_no_recent_overflow(const struct sock *sk) +{ + unsigned long last_overflow = tcp_sk(sk)->rx_opt.ts_recent_stamp; + + return time_after(jiffies, last_overflow + TCP_SYNCOOKIE_VALID); +} static inline u32 tcp_cookie_time(void) { u64 val = get_jiffies_64(); - do_div(val, 60 * HZ); + do_div(val, TCP_SYNCOOKIE_PERIOD); return val; } @@ -527,7 +550,7 @@ int tcp_fragment(struct sock *, struct sk_buff *, u32, unsigned int, gfp_t); void tcp_send_probe0(struct sock *); void tcp_send_partial(struct sock *); -int tcp_write_wakeup(struct sock *); +int tcp_write_wakeup(struct sock *, int mib); void tcp_send_fin(struct sock *sk); void tcp_send_active_reset(struct sock *sk, gfp_t priority); int tcp_send_synack(struct sock *); @@ -692,6 +715,8 @@ static inline u32 tcp_skb_timestamp(const struct sk_buff *skb) #define TCPHDR_ECE 0x40 #define TCPHDR_CWR 0x80 +#define TCPHDR_SYN_ECN (TCPHDR_SYN | TCPHDR_ECE | TCPHDR_CWR) + /* This is what the send packet queuing engine uses to pass * TCP per-packet control information to the transmission code. * We also store the host-order sequence numbers in here too. @@ -705,11 +730,14 @@ struct tcp_skb_cb { /* Note : tcp_tw_isn is used in input path only * (isn chosen by tcp_timewait_state_process()) * - * tcp_gso_segs is used in write queue only, - * cf tcp_skb_pcount() + * tcp_gso_segs/size are used in write queue only, + * cf tcp_skb_pcount()/tcp_skb_mss() */ __u32 tcp_tw_isn; - __u32 tcp_gso_segs; + struct { + u16 tcp_gso_segs; + u16 tcp_gso_size; + }; }; __u8 tcp_flags; /* TCP header flags. (tcp[13]) */ @@ -765,10 +793,10 @@ static inline void tcp_skb_pcount_add(struct sk_buff *skb, int segs) TCP_SKB_CB(skb)->tcp_gso_segs += segs; } -/* This is valid iff tcp_skb_pcount() > 1. */ +/* This is valid iff skb is in write queue and tcp_skb_pcount() > 1. */ static inline int tcp_skb_mss(const struct sk_buff *skb) { - return skb_shinfo(skb)->gso_size; + return TCP_SKB_CB(skb)->tcp_gso_size; } /* Events passed to congestion control interface */ @@ -1043,14 +1071,31 @@ static inline bool tcp_is_cwnd_limited(const struct sock *sk) return tp->is_cwnd_limited; } -static inline void tcp_check_probe_timer(struct sock *sk) +/* Something is really bad, we could not queue an additional packet, + * because qdisc is full or receiver sent a 0 window. + * We do not want to add fuel to the fire, or abort too early, + * so make sure the timer we arm now is at least 200ms in the future, + * regardless of current icsk_rto value (as it could be ~2ms) + */ +static inline unsigned long tcp_probe0_base(const struct sock *sk) { - const struct tcp_sock *tp = tcp_sk(sk); - const struct inet_connection_sock *icsk = inet_csk(sk); + return max_t(unsigned long, inet_csk(sk)->icsk_rto, TCP_RTO_MIN); +} + +/* Variant of inet_csk_rto_backoff() used for zero window probes */ +static inline unsigned long tcp_probe0_when(const struct sock *sk, + unsigned long max_when) +{ + u64 when = (u64)tcp_probe0_base(sk) << inet_csk(sk)->icsk_backoff; - if (!tp->packets_out && !icsk->icsk_pending) + return (unsigned long)min_t(u64, when, max_when); +} + +static inline void tcp_check_probe_timer(struct sock *sk) +{ + if (!tcp_sk(sk)->packets_out && !inet_csk(sk)->icsk_pending) inet_csk_reset_xmit_timer(sk, ICSK_TIME_PROBE0, - icsk->icsk_rto, TCP_RTO_MAX); + tcp_probe0_base(sk), TCP_RTO_MAX); } static inline void tcp_init_wl(struct tcp_sock *tp, u32 seq) diff --git a/include/net/xfrm.h b/include/net/xfrm.h index 36ac102c97c7..f0ee97eec24d 100644 --- a/include/net/xfrm.h +++ b/include/net/xfrm.h @@ -168,6 +168,7 @@ struct xfrm_state { struct xfrm_algo *ealg; struct xfrm_algo *calg; struct xfrm_algo_aead *aead; + const char *geniv; /* Data for encapsulator */ struct xfrm_encap_tmpl *encap; @@ -1314,6 +1315,7 @@ static inline int xfrm_id_proto_match(u8 proto, u8 userproto) * xfrm algorithm information */ struct xfrm_algo_aead_info { + char *geniv; u16 icv_truncbits; }; @@ -1323,6 +1325,7 @@ struct xfrm_algo_auth_info { }; struct xfrm_algo_encr_info { + char *geniv; u16 blockbits; u16 defkeybits; }; |