diff options
Diffstat (limited to 'include/net')
61 files changed, 1092 insertions, 792 deletions
diff --git a/include/net/act_api.h b/include/net/act_api.h index 1d716449209e..cfa2ae33da9a 100644 --- a/include/net/act_api.h +++ b/include/net/act_api.h @@ -41,6 +41,7 @@ struct tc_action { struct rcu_head tcfa_rcu; struct gnet_stats_basic_cpu __percpu *cpu_bstats; struct gnet_stats_queue __percpu *cpu_qstats; + struct tc_cookie *act_cookie; }; #define tcf_head common.tcfa_head #define tcf_index common.tcfa_index diff --git a/include/net/addrconf.h b/include/net/addrconf.h index 8f998afc1384..17c6fd84e287 100644 --- a/include/net/addrconf.h +++ b/include/net/addrconf.h @@ -88,9 +88,7 @@ int __ipv6_get_lladdr(struct inet6_dev *idev, struct in6_addr *addr, u32 banned_flags); int ipv6_get_lladdr(struct net_device *dev, struct in6_addr *addr, u32 banned_flags); -int ipv4_rcv_saddr_equal(const struct sock *sk, const struct sock *sk2, - bool match_wildcard); -int ipv6_rcv_saddr_equal(const struct sock *sk, const struct sock *sk2, +int inet_rcv_saddr_equal(const struct sock *sk, const struct sock *sk2, bool match_wildcard); void addrconf_join_solict(struct net_device *dev, const struct in6_addr *addr); void addrconf_leave_solict(struct inet6_dev *idev, const struct in6_addr *addr); diff --git a/include/net/arp.h b/include/net/arp.h index 5e0f891d476c..65619a2de6f4 100644 --- a/include/net/arp.h +++ b/include/net/arp.h @@ -35,6 +35,22 @@ static inline struct neighbour *__ipv4_neigh_lookup(struct net_device *dev, u32 return n; } +static inline void __ipv4_confirm_neigh(struct net_device *dev, u32 key) +{ + struct neighbour *n; + + rcu_read_lock_bh(); + n = __ipv4_neigh_lookup_noref(dev, key); + if (n) { + unsigned long now = jiffies; + + /* avoid dirtying neighbour */ + if (n->confirmed != now) + n->confirmed = now; + } + rcu_read_unlock_bh(); +} + void arp_init(void); int arp_ioctl(struct net *net, unsigned int cmd, void __user *arg); void arp_send(int type, int ptype, __be32 dest_ip, diff --git a/include/net/busy_poll.h b/include/net/busy_poll.h index d73b849e29a6..b8d637225a07 100644 --- a/include/net/busy_poll.h +++ b/include/net/busy_poll.h @@ -33,10 +33,6 @@ struct napi_struct; extern unsigned int sysctl_net_busy_read __read_mostly; extern unsigned int sysctl_net_busy_poll __read_mostly; -/* return values from ndo_ll_poll */ -#define LL_FLUSH_FAILED -1 -#define LL_FLUSH_BUSY -2 - static inline bool net_busy_loop_on(void) { return sysctl_net_busy_poll; diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h index 814be4b4200c..c92dc03c8528 100644 --- a/include/net/cfg80211.h +++ b/include/net/cfg80211.h @@ -5,7 +5,7 @@ * * Copyright 2006-2010 Johannes Berg <johannes@sipsolutions.net> * Copyright 2013-2014 Intel Mobile Communications GmbH - * Copyright 2015-2016 Intel Deutschland GmbH + * Copyright 2015-2017 Intel Deutschland GmbH * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as @@ -311,6 +311,34 @@ struct ieee80211_supported_band { struct ieee80211_sta_vht_cap vht_cap; }; +/** + * wiphy_read_of_freq_limits - read frequency limits from device tree + * + * @wiphy: the wireless device to get extra limits for + * + * Some devices may have extra limitations specified in DT. This may be useful + * for chipsets that normally support more bands but are limited due to board + * design (e.g. by antennas or external power amplifier). + * + * This function reads info from DT and uses it to *modify* channels (disable + * unavailable ones). It's usually a *bad* idea to use it in drivers with + * shared channel data as DT limitations are device specific. You should make + * sure to call it only if channels in wiphy are copied and can be modified + * without affecting other devices. + * + * As this function access device node it has to be called after set_wiphy_dev. + * It also modifies channels so they have to be set first. + * If using this helper, call it before wiphy_register(). + */ +#ifdef CONFIG_OF +void wiphy_read_of_freq_limits(struct wiphy *wiphy); +#else /* CONFIG_OF */ +static inline void wiphy_read_of_freq_limits(struct wiphy *wiphy) +{ +} +#endif /* !CONFIG_OF */ + + /* * Wireless hardware/device configuration structures and methods */ @@ -720,6 +748,10 @@ struct cfg80211_bitrate_mask { * @pbss: If set, start as a PCP instead of AP. Relevant for DMG * networks. * @beacon_rate: bitrate to be used for beacons + * @ht_cap: HT capabilities (or %NULL if HT isn't enabled) + * @vht_cap: VHT capabilities (or %NULL if VHT isn't enabled) + * @ht_required: stations must support HT + * @vht_required: stations must support VHT */ struct cfg80211_ap_settings { struct cfg80211_chan_def chandef; @@ -740,6 +772,10 @@ struct cfg80211_ap_settings { const struct cfg80211_acl_data *acl; bool pbss; struct cfg80211_bitrate_mask beacon_rate; + + const struct ieee80211_ht_cap *ht_cap; + const struct ieee80211_vht_cap *vht_cap; + bool ht_required, vht_required; }; /** @@ -1592,6 +1628,17 @@ struct cfg80211_sched_scan_plan { }; /** + * struct cfg80211_bss_select_adjust - BSS selection with RSSI adjustment. + * + * @band: band of BSS which should match for RSSI level adjustment. + * @delta: value of RSSI level adjustment. + */ +struct cfg80211_bss_select_adjust { + enum nl80211_band band; + s8 delta; +}; + +/** * struct cfg80211_sched_scan_request - scheduled scan request description * * @ssids: SSIDs to scan for (passed in the probe_reqs in active scans) @@ -1626,6 +1673,16 @@ struct cfg80211_sched_scan_plan { * cycle. The driver may ignore this parameter and start * immediately (or at any other time), if this feature is not * supported. + * @relative_rssi_set: Indicates whether @relative_rssi is set or not. + * @relative_rssi: Relative RSSI threshold in dB to restrict scan result + * reporting in connected state to cases where a matching BSS is determined + * to have better or slightly worse RSSI than the current connected BSS. + * The relative RSSI threshold values are ignored in disconnected state. + * @rssi_adjust: delta dB of RSSI preference to be given to the BSSs that belong + * to the specified band while deciding whether a better BSS is reported + * using @relative_rssi. If delta is a negative number, the BSSs that + * belong to the specified band will be penalized by delta dB in relative + * comparisions. */ struct cfg80211_sched_scan_request { struct cfg80211_ssid *ssids; @@ -1645,6 +1702,10 @@ struct cfg80211_sched_scan_request { u8 mac_addr[ETH_ALEN] __aligned(2); u8 mac_addr_mask[ETH_ALEN] __aligned(2); + bool relative_rssi_set; + s8 relative_rssi; + struct cfg80211_bss_select_adjust rssi_adjust; + /* internal */ struct wiphy *wiphy; struct net_device *dev; @@ -1953,17 +2014,6 @@ struct cfg80211_ibss_params { }; /** - * struct cfg80211_bss_select_adjust - BSS selection with RSSI adjustment. - * - * @band: band of BSS which should match for RSSI level adjustment. - * @delta: value of RSSI level adjustment. - */ -struct cfg80211_bss_select_adjust { - enum nl80211_band band; - s8 delta; -}; - -/** * struct cfg80211_bss_selection - connection parameters for BSS selection. * * @behaviour: requested BSS selection behaviour. @@ -2366,11 +2416,13 @@ struct cfg80211_qos_map { * This struct defines NAN configuration parameters * * @master_pref: master preference (1 - 255) - * @dual: dual band operation mode, see &enum nl80211_nan_dual_band_conf + * @bands: operating bands, a bitmap of &enum nl80211_band values. + * For instance, for NL80211_BAND_2GHZ, bit 0 would be set + * (i.e. BIT(NL80211_BAND_2GHZ)). */ struct cfg80211_nan_conf { u8 master_pref; - u8 dual; + u8 bands; }; /** @@ -2378,11 +2430,11 @@ struct cfg80211_nan_conf { * configuration * * @CFG80211_NAN_CONF_CHANGED_PREF: master preference - * @CFG80211_NAN_CONF_CHANGED_DUAL: dual band operation + * @CFG80211_NAN_CONF_CHANGED_BANDS: operating bands */ enum cfg80211_nan_conf_changes { CFG80211_NAN_CONF_CHANGED_PREF = BIT(0), - CFG80211_NAN_CONF_CHANGED_DUAL = BIT(1), + CFG80211_NAN_CONF_CHANGED_BANDS = BIT(1), }; /** @@ -3136,22 +3188,6 @@ struct ieee80211_iface_limit { /** * struct ieee80211_iface_combination - possible interface combination - * @limits: limits for the given interface types - * @n_limits: number of limitations - * @num_different_channels: can use up to this many different channels - * @max_interfaces: maximum number of interfaces in total allowed in this - * group - * @beacon_int_infra_match: In this combination, the beacon intervals - * between infrastructure and AP types must match. This is required - * only in special cases. - * @radar_detect_widths: bitmap of channel widths supported for radar detection - * @radar_detect_regions: bitmap of regions supported for radar detection - * @beacon_int_min_gcd: This interface combination supports different - * beacon intervals. - * = 0 - all beacon intervals for different interface must be same. - * > 0 - any beacon interval for the interface part of this combination AND - * *GCD* of all beacon intervals from beaconing interfaces of this - * combination must be greater or equal to this value. * * With this structure the driver can describe which interface * combinations it supports concurrently. @@ -3210,13 +3246,60 @@ struct ieee80211_iface_limit { * */ struct ieee80211_iface_combination { + /** + * @limits: + * limits for the given interface types + */ const struct ieee80211_iface_limit *limits; + + /** + * @num_different_channels: + * can use up to this many different channels + */ u32 num_different_channels; + + /** + * @max_interfaces: + * maximum number of interfaces in total allowed in this group + */ u16 max_interfaces; + + /** + * @n_limits: + * number of limitations + */ u8 n_limits; + + /** + * @beacon_int_infra_match: + * In this combination, the beacon intervals between infrastructure + * and AP types must match. This is required only in special cases. + */ bool beacon_int_infra_match; + + /** + * @radar_detect_widths: + * bitmap of channel widths supported for radar detection + */ u8 radar_detect_widths; + + /** + * @radar_detect_regions: + * bitmap of regions supported for radar detection + */ u8 radar_detect_regions; + + /** + * @beacon_int_min_gcd: + * This interface combination supports different beacon intervals. + * + * = 0 + * all beacon intervals for different interface must be same. + * > 0 + * any beacon interval for the interface part of this combination AND + * GCD of all beacon intervals from beaconing interfaces of this + * combination must be greater or equal to this value. + */ u32 beacon_int_min_gcd; }; @@ -3515,6 +3598,10 @@ struct wiphy_iftype_ext_capab { * attribute indices defined in &enum nl80211_bss_select_attr. * * @cookie_counter: unique generic cookie counter, used to identify objects. + * @nan_supported_bands: bands supported by the device in NAN mode, a + * bitmap of &enum nl80211_band values. For instance, for + * NL80211_BAND_2GHZ, bit 0 would be set + * (i.e. BIT(NL80211_BAND_2GHZ)). */ struct wiphy { /* assign these fields before you register the wiphy */ @@ -3646,6 +3733,8 @@ struct wiphy { u64 cookie_counter; + u8 nan_supported_bands; + char priv[0] __aligned(NETDEV_ALIGN); }; @@ -3837,6 +3926,9 @@ struct cfg80211_cached_keys; * @conn: (private) cfg80211 software SME connection state machine data * @connect_keys: (private) keys to set after connection is established * @conn_bss_type: connecting/connected BSS type + * @conn_owner_nlportid: (private) connection owner socket port ID + * @disconnect_wk: (private) auto-disconnect work + * @disconnect_bssid: (private) the BSSID to use for auto-disconnect * @ibss_fixed: (private) IBSS is using fixed BSSID * @ibss_dfs_possible: (private) IBSS may change to a DFS channel * @event_list: (private) list for internal event processing @@ -3868,6 +3960,10 @@ struct wireless_dev { struct cfg80211_conn *conn; struct cfg80211_cached_keys *connect_keys; enum ieee80211_bss_type conn_bss_type; + u32 conn_owner_nlportid; + + struct work_struct disconnect_wk; + u8 disconnect_bssid[ETH_ALEN]; struct list_head event_list; spinlock_t event_lock; @@ -3955,26 +4051,15 @@ int ieee80211_channel_to_frequency(int chan, enum nl80211_band band); */ int ieee80211_frequency_to_channel(int freq); -/* - * Name indirection necessary because the ieee80211 code also has - * a function named "ieee80211_get_channel", so if you include - * cfg80211's header file you get cfg80211's version, if you try - * to include both header files you'll (rightfully!) get a symbol - * clash. - */ -struct ieee80211_channel *__ieee80211_get_channel(struct wiphy *wiphy, - int freq); /** * ieee80211_get_channel - get channel struct from wiphy for specified frequency + * * @wiphy: the struct wiphy to get the channel for * @freq: the center frequency of the channel + * * Return: The channel struct from @wiphy at @freq. */ -static inline struct ieee80211_channel * -ieee80211_get_channel(struct wiphy *wiphy, int freq) -{ - return __ieee80211_get_channel(wiphy, freq); -} +struct ieee80211_channel *ieee80211_get_channel(struct wiphy *wiphy, int freq); /** * ieee80211_get_response_rate - get basic rate for a given rate @@ -5048,20 +5133,32 @@ static inline void cfg80211_testmode_event(struct sk_buff *skb, gfp_t gfp) * @req_ie_len: association request IEs length * @resp_ie: association response IEs (may be %NULL) * @resp_ie_len: assoc response IEs length - * @status: status code, 0 for successful connection, use - * %WLAN_STATUS_UNSPECIFIED_FAILURE if your device cannot give you - * the real status code for failures. + * @status: status code, %WLAN_STATUS_SUCCESS for successful connection, use + * %WLAN_STATUS_UNSPECIFIED_FAILURE if your device cannot give you + * the real status code for failures. If this call is used to report a + * failure due to a timeout (e.g., not receiving an Authentication frame + * from the AP) instead of an explicit rejection by the AP, -1 is used to + * indicate that this is a failure, but without a status code. + * @timeout_reason is used to report the reason for the timeout in that + * case. * @gfp: allocation flags - * - * It should be called by the underlying driver whenever connect() has - * succeeded. This is similar to cfg80211_connect_result(), but with the - * option of identifying the exact bss entry for the connection. Only one of - * these functions should be called. + * @timeout_reason: reason for connection timeout. This is used when the + * connection fails due to a timeout instead of an explicit rejection from + * the AP. %NL80211_TIMEOUT_UNSPECIFIED is used when the timeout reason is + * not known. This value is used only if @status < 0 to indicate that the + * failure is due to a timeout and not due to explicit rejection by the AP. + * This value is ignored in other cases (@status >= 0). + * + * It should be called by the underlying driver once execution of the connection + * request from connect() has been completed. This is similar to + * cfg80211_connect_result(), but with the option of identifying the exact bss + * entry for the connection. Only one of these functions should be called. */ void cfg80211_connect_bss(struct net_device *dev, const u8 *bssid, struct cfg80211_bss *bss, const u8 *req_ie, size_t req_ie_len, const u8 *resp_ie, - size_t resp_ie_len, int status, gfp_t gfp); + size_t resp_ie_len, int status, gfp_t gfp, + enum nl80211_timeout_reason timeout_reason); /** * cfg80211_connect_result - notify cfg80211 of connection result @@ -5072,13 +5169,15 @@ void cfg80211_connect_bss(struct net_device *dev, const u8 *bssid, * @req_ie_len: association request IEs length * @resp_ie: association response IEs (may be %NULL) * @resp_ie_len: assoc response IEs length - * @status: status code, 0 for successful connection, use + * @status: status code, %WLAN_STATUS_SUCCESS for successful connection, use * %WLAN_STATUS_UNSPECIFIED_FAILURE if your device cannot give you * the real status code for failures. * @gfp: allocation flags * - * It should be called by the underlying driver whenever connect() has - * succeeded. + * It should be called by the underlying driver once execution of the connection + * request from connect() has been completed. This is similar to + * cfg80211_connect_bss() which allows the exact bss entry to be specified. Only + * one of these functions should be called. */ static inline void cfg80211_connect_result(struct net_device *dev, const u8 *bssid, @@ -5087,7 +5186,8 @@ cfg80211_connect_result(struct net_device *dev, const u8 *bssid, u16 status, gfp_t gfp) { cfg80211_connect_bss(dev, bssid, NULL, req_ie, req_ie_len, resp_ie, - resp_ie_len, status, gfp); + resp_ie_len, status, gfp, + NL80211_TIMEOUT_UNSPECIFIED); } /** @@ -5098,6 +5198,7 @@ cfg80211_connect_result(struct net_device *dev, const u8 *bssid, * @req_ie: association request IEs (maybe be %NULL) * @req_ie_len: association request IEs length * @gfp: allocation flags + * @timeout_reason: reason for connection timeout. * * It should be called by the underlying driver whenever connect() has failed * in a sequence where no explicit authentication/association rejection was @@ -5107,10 +5208,11 @@ cfg80211_connect_result(struct net_device *dev, const u8 *bssid, */ static inline void cfg80211_connect_timeout(struct net_device *dev, const u8 *bssid, - const u8 *req_ie, size_t req_ie_len, gfp_t gfp) + const u8 *req_ie, size_t req_ie_len, gfp_t gfp, + enum nl80211_timeout_reason timeout_reason) { cfg80211_connect_bss(dev, bssid, NULL, req_ie, req_ie_len, NULL, 0, -1, - gfp); + gfp, timeout_reason); } /** @@ -5296,6 +5398,7 @@ void cfg80211_mgmt_tx_status(struct wireless_dev *wdev, u64 cookie, * cfg80211_cqm_rssi_notify - connection quality monitoring rssi event * @dev: network device * @rssi_event: the triggered RSSI event + * @rssi_level: new RSSI level value or 0 if not available * @gfp: context flags * * This function is called when a configured connection quality monitoring @@ -5303,7 +5406,7 @@ void cfg80211_mgmt_tx_status(struct wireless_dev *wdev, u64 cookie, */ void cfg80211_cqm_rssi_notify(struct net_device *dev, enum nl80211_cqm_rssi_threshold_event rssi_event, - gfp_t gfp); + s32 rssi_level, gfp_t gfp); /** * cfg80211_cqm_pktloss_notify - notify userspace about packetloss to peer diff --git a/include/net/checksum.h b/include/net/checksum.h index 35d0fabd2782..aef2b2bb6603 100644 --- a/include/net/checksum.h +++ b/include/net/checksum.h @@ -179,7 +179,7 @@ static inline __wsum remcsum_adjust(void *ptr, __wsum csum, static inline void remcsum_unadjust(__sum16 *psum, __wsum delta) { - *psum = csum_fold(csum_sub(delta, *psum)); + *psum = csum_fold(csum_sub(delta, (__force __wsum)*psum)); } #endif diff --git a/include/net/dsa.h b/include/net/dsa.h index b122196d5a1f..4e13e695f025 100644 --- a/include/net/dsa.h +++ b/include/net/dsa.h @@ -11,15 +11,19 @@ #ifndef __LINUX_NET_DSA_H #define __LINUX_NET_DSA_H +#include <linux/if.h> #include <linux/if_ether.h> #include <linux/list.h> +#include <linux/notifier.h> #include <linux/timer.h> #include <linux/workqueue.h> #include <linux/of.h> -#include <linux/phy.h> -#include <linux/phy_fixed.h> #include <linux/ethtool.h> +struct tc_action; +struct phy_device; +struct fixed_phy_status; + enum dsa_tag_protocol { DSA_TAG_PROTO_NONE = 0, DSA_TAG_PROTO_DSA, @@ -42,6 +46,11 @@ struct dsa_chip_data { struct device *host_dev; int sw_addr; + /* + * Reference to network devices + */ + struct device *netdev[DSA_MAX_PORTS]; + /* set to size of eeprom if supported by the switch */ int eeprom_len; @@ -90,6 +99,9 @@ struct packet_type; struct dsa_switch_tree { struct list_head list; + /* Notifier chain for switch-wide events */ + struct raw_notifier_head nh; + /* Tree identifier */ u32 tree; @@ -124,7 +136,7 @@ struct dsa_switch_tree { /* * The switch and port to which the CPU is attached. */ - s8 cpu_switch; + struct dsa_switch *cpu_switch; s8 cpu_port; /* @@ -139,11 +151,37 @@ struct dsa_switch_tree { const struct dsa_device_ops *tag_ops; }; +/* TC matchall action types, only mirroring for now */ +enum dsa_port_mall_action_type { + DSA_PORT_MALL_MIRROR, +}; + +/* TC mirroring entry */ +struct dsa_mall_mirror_tc_entry { + u8 to_local_port; + bool ingress; +}; + +/* TC matchall entry */ +struct dsa_mall_tc_entry { + struct list_head list; + unsigned long cookie; + enum dsa_port_mall_action_type type; + union { + struct dsa_mall_mirror_tc_entry mirror; + }; +}; + + struct dsa_port { + struct dsa_switch *ds; + unsigned int index; + const char *name; struct net_device *netdev; struct device_node *dn; unsigned int ageing_time; u8 stp_state; + struct net_device *bridge_dev; }; struct dsa_switch { @@ -155,6 +193,9 @@ struct dsa_switch { struct dsa_switch_tree *dst; int index; + /* Listener for switch fabric events */ + struct notifier_block nb; + /* * Give the switch driver somewhere to hang its private data * structure. @@ -169,7 +210,7 @@ struct dsa_switch { /* * The switch operations. */ - struct dsa_switch_ops *ops; + const struct dsa_switch_ops *ops; /* * An array of which element [a] indicates which port on this @@ -178,14 +219,6 @@ struct dsa_switch { */ s8 rtable[DSA_MAX_SWITCHES]; -#ifdef CONFIG_NET_DSA_HWMON - /* - * Hardware monitoring information - */ - char hwmon_name[IFNAMSIZ + 8]; - struct device *hwmon_dev; -#endif - /* * The lower device this switch uses to talk to the host */ @@ -198,13 +231,16 @@ struct dsa_switch { u32 cpu_port_mask; u32 enabled_port_mask; u32 phys_mii_mask; - struct dsa_port ports[DSA_MAX_PORTS]; struct mii_bus *slave_mii_bus; + + /* Dynamically allocated ports, keep last */ + size_t num_ports; + struct dsa_port ports[]; }; static inline bool dsa_is_cpu_port(struct dsa_switch *ds, int p) { - return !!(ds->index == ds->dst->cpu_switch && p == ds->dst->cpu_port); + return !!(ds == ds->dst->cpu_switch && p == ds->dst->cpu_port); } static inline bool dsa_is_dsa_port(struct dsa_switch *ds, int p) @@ -227,10 +263,10 @@ static inline u8 dsa_upstream_port(struct dsa_switch *ds) * Else return the (DSA) port number that connects to the * switch that is one hop closer to the cpu. */ - if (dst->cpu_switch == ds->index) + if (dst->cpu_switch == ds) return dst->cpu_port; else - return ds->rtable[dst->cpu_switch]; + return ds->rtable[dst->cpu_switch->index]; } struct switchdev_trans; @@ -239,9 +275,17 @@ struct switchdev_obj_port_fdb; struct switchdev_obj_port_mdb; struct switchdev_obj_port_vlan; -struct dsa_switch_ops { - struct list_head list; +#define DSA_NOTIFIER_BRIDGE_JOIN 1 +#define DSA_NOTIFIER_BRIDGE_LEAVE 2 + +/* DSA_NOTIFIER_BRIDGE_* */ +struct dsa_notifier_bridge_info { + struct net_device *br; + int sw_index; + int port; +}; +struct dsa_switch_ops { /* * Probing and setup. */ @@ -309,14 +353,6 @@ struct dsa_switch_ops { int (*get_eee)(struct dsa_switch *ds, int port, struct ethtool_eee *e); -#ifdef CONFIG_NET_DSA_HWMON - /* Hardware monitoring */ - int (*get_temp)(struct dsa_switch *ds, int *temp); - int (*get_temp_limit)(struct dsa_switch *ds, int *temp); - int (*set_temp_limit)(struct dsa_switch *ds, int temp); - int (*get_temp_alarm)(struct dsa_switch *ds, bool *alarm); -#endif - /* EEPROM access */ int (*get_eeprom_len)(struct dsa_switch *ds); int (*get_eeprom)(struct dsa_switch *ds, @@ -337,7 +373,8 @@ struct dsa_switch_ops { int (*set_ageing_time)(struct dsa_switch *ds, unsigned int msecs); int (*port_bridge_join)(struct dsa_switch *ds, int port, struct net_device *bridge); - void (*port_bridge_leave)(struct dsa_switch *ds, int port); + void (*port_bridge_leave)(struct dsa_switch *ds, int port, + struct net_device *bridge); void (*port_stp_state_set)(struct dsa_switch *ds, int port, u8 state); void (*port_fast_age)(struct dsa_switch *ds, int port); @@ -388,19 +425,43 @@ struct dsa_switch_ops { int (*port_mdb_dump)(struct dsa_switch *ds, int port, struct switchdev_obj_port_mdb *mdb, int (*cb)(struct switchdev_obj *obj)); + + /* + * RXNFC + */ + int (*get_rxnfc)(struct dsa_switch *ds, int port, + struct ethtool_rxnfc *nfc, u32 *rule_locs); + int (*set_rxnfc)(struct dsa_switch *ds, int port, + struct ethtool_rxnfc *nfc); + + /* + * TC integration + */ + int (*port_mirror_add)(struct dsa_switch *ds, int port, + struct dsa_mall_mirror_tc_entry *mirror, + bool ingress); + void (*port_mirror_del)(struct dsa_switch *ds, int port, + struct dsa_mall_mirror_tc_entry *mirror); +}; + +struct dsa_switch_driver { + struct list_head list; + const struct dsa_switch_ops *ops; }; -void register_switch_driver(struct dsa_switch_ops *type); -void unregister_switch_driver(struct dsa_switch_ops *type); +void register_switch_driver(struct dsa_switch_driver *type); +void unregister_switch_driver(struct dsa_switch_driver *type); struct mii_bus *dsa_host_dev_to_mii_bus(struct device *dev); +struct net_device *dsa_dev_to_net_device(struct device *dev); static inline bool dsa_uses_tagged_protocol(struct dsa_switch_tree *dst) { return dst->rcv != NULL; } +struct dsa_switch *dsa_switch_alloc(struct device *dev, size_t n); void dsa_unregister_switch(struct dsa_switch *ds); -int dsa_register_switch(struct dsa_switch *ds, struct device_node *np); +int dsa_register_switch(struct dsa_switch *ds, struct device *dev); #ifdef CONFIG_PM_SLEEP int dsa_switch_suspend(struct dsa_switch *ds); int dsa_switch_resume(struct dsa_switch *ds); diff --git a/include/net/dst.h b/include/net/dst.h index 6835d224d47b..049af33da3b6 100644 --- a/include/net/dst.h +++ b/include/net/dst.h @@ -59,8 +59,6 @@ struct dst_entry { #define DST_XFRM_QUEUE 0x0100 #define DST_METADATA 0x0200 - unsigned short pending_confirm; - short error; /* A non-zero value of dst->obsolete forces by-hand validation @@ -78,6 +76,8 @@ struct dst_entry { #define DST_OBSOLETE_KILL -2 unsigned short header_len; /* more space at head required */ unsigned short trailer_len; /* space to reserve at tail */ + unsigned short __pad3; + #ifdef CONFIG_IP_ROUTE_CLASSID __u32 tclassid; #else @@ -440,28 +440,6 @@ static inline void dst_rcu_free(struct rcu_head *head) static inline void dst_confirm(struct dst_entry *dst) { - dst->pending_confirm = 1; -} - -static inline int dst_neigh_output(struct dst_entry *dst, struct neighbour *n, - struct sk_buff *skb) -{ - const struct hh_cache *hh; - - if (dst->pending_confirm) { - unsigned long now = jiffies; - - dst->pending_confirm = 0; - /* avoid dirtying neighbour */ - if (n->confirmed != now) - n->confirmed = now; - } - - hh = &n->hh; - if ((n->nud_state & NUD_CONNECTED) && hh->hh_len) - return neigh_hh_output(hh, skb); - else - return n->output(n, skb); } static inline struct neighbour *dst_neigh_lookup(const struct dst_entry *dst, const void *daddr) @@ -477,6 +455,13 @@ static inline struct neighbour *dst_neigh_lookup_skb(const struct dst_entry *dst return IS_ERR(n) ? NULL : n; } +static inline void dst_confirm_neigh(const struct dst_entry *dst, + const void *daddr) +{ + if (dst->ops->confirm_neigh) + dst->ops->confirm_neigh(dst, daddr); +} + static inline void dst_link_failure(struct sk_buff *skb) { struct dst_entry *dst = skb_dst(skb); diff --git a/include/net/dst_ops.h b/include/net/dst_ops.h index a0d443ca16fc..c84b3287e38b 100644 --- a/include/net/dst_ops.h +++ b/include/net/dst_ops.h @@ -33,6 +33,8 @@ struct dst_ops { struct neighbour * (*neigh_lookup)(const struct dst_entry *dst, struct sk_buff *skb, const void *daddr); + void (*confirm_neigh)(const struct dst_entry *dst, + const void *daddr); struct kmem_cache *kmem_cachep; @@ -46,19 +48,12 @@ static inline int dst_entries_get_fast(struct dst_ops *dst) static inline int dst_entries_get_slow(struct dst_ops *dst) { - int res; - - local_bh_disable(); - res = percpu_counter_sum_positive(&dst->pcpuc_entries); - local_bh_enable(); - return res; + return percpu_counter_sum_positive(&dst->pcpuc_entries); } static inline void dst_entries_add(struct dst_ops *dst, int val) { - local_bh_disable(); percpu_counter_add(&dst->pcpuc_entries, val); - local_bh_enable(); } static inline int dst_entries_init(struct dst_ops *dst) diff --git a/include/net/flow_dissector.h b/include/net/flow_dissector.h index d896a33e00d4..ac9703018a3a 100644 --- a/include/net/flow_dissector.h +++ b/include/net/flow_dissector.h @@ -89,6 +89,24 @@ struct flow_dissector_key_addrs { }; /** + * flow_dissector_key_arp: + * @ports: Operation, source and target addresses for an ARP header + * for Ethernet hardware addresses and IPv4 protocol addresses + * sip: Sender IP address + * tip: Target IP address + * op: Operation + * sha: Sender hardware address + * tpa: Target hardware address + */ +struct flow_dissector_key_arp { + __u32 sip; + __u32 tip; + __u8 op; + unsigned char sha[ETH_ALEN]; + unsigned char tha[ETH_ALEN]; +}; + +/** * flow_dissector_key_tp_ports: * @ports: port numbers of Transport header * src: source port number @@ -141,6 +159,7 @@ enum flow_dissector_key_id { FLOW_DISSECTOR_KEY_ICMP, /* struct flow_dissector_key_icmp */ 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_ARP, /* struct flow_dissector_key_arp */ FLOW_DISSECTOR_KEY_VLAN, /* struct flow_dissector_key_flow_vlan */ FLOW_DISSECTOR_KEY_FLOW_LABEL, /* struct flow_dissector_key_flow_tags */ FLOW_DISSECTOR_KEY_GRE_KEYID, /* struct flow_dissector_key_keyid */ diff --git a/include/net/gro_cells.h b/include/net/gro_cells.h index 2a1abbf8da74..fcaf8f479130 100644 --- a/include/net/gro_cells.h +++ b/include/net/gro_cells.h @@ -5,92 +5,14 @@ #include <linux/slab.h> #include <linux/netdevice.h> -struct gro_cell { - struct sk_buff_head napi_skbs; - struct napi_struct napi; -}; +struct gro_cell; struct gro_cells { struct gro_cell __percpu *cells; }; -static inline int gro_cells_receive(struct gro_cells *gcells, struct sk_buff *skb) -{ - struct gro_cell *cell; - struct net_device *dev = skb->dev; - - if (!gcells->cells || skb_cloned(skb) || !(dev->features & NETIF_F_GRO)) - return netif_rx(skb); - - cell = this_cpu_ptr(gcells->cells); - - if (skb_queue_len(&cell->napi_skbs) > netdev_max_backlog) { - atomic_long_inc(&dev->rx_dropped); - kfree_skb(skb); - return NET_RX_DROP; - } - - __skb_queue_tail(&cell->napi_skbs, skb); - if (skb_queue_len(&cell->napi_skbs) == 1) - napi_schedule(&cell->napi); - return NET_RX_SUCCESS; -} - -/* called under BH context */ -static inline int gro_cell_poll(struct napi_struct *napi, int budget) -{ - struct gro_cell *cell = container_of(napi, struct gro_cell, napi); - struct sk_buff *skb; - int work_done = 0; - - while (work_done < budget) { - skb = __skb_dequeue(&cell->napi_skbs); - if (!skb) - break; - napi_gro_receive(napi, skb); - work_done++; - } - - if (work_done < budget) - napi_complete_done(napi, work_done); - return work_done; -} - -static inline int gro_cells_init(struct gro_cells *gcells, struct net_device *dev) -{ - int i; - - gcells->cells = alloc_percpu(struct gro_cell); - if (!gcells->cells) - return -ENOMEM; - - for_each_possible_cpu(i) { - struct gro_cell *cell = per_cpu_ptr(gcells->cells, i); - - __skb_queue_head_init(&cell->napi_skbs); - - set_bit(NAPI_STATE_NO_BUSY_POLL, &cell->napi.state); - - netif_napi_add(dev, &cell->napi, gro_cell_poll, 64); - napi_enable(&cell->napi); - } - return 0; -} - -static inline void gro_cells_destroy(struct gro_cells *gcells) -{ - int i; - - if (!gcells->cells) - return; - for_each_possible_cpu(i) { - struct gro_cell *cell = per_cpu_ptr(gcells->cells, i); - - netif_napi_del(&cell->napi); - __skb_queue_purge(&cell->napi_skbs); - } - free_percpu(gcells->cells); - gcells->cells = NULL; -} +int gro_cells_receive(struct gro_cells *gcells, struct sk_buff *skb); +int gro_cells_init(struct gro_cells *gcells, struct net_device *dev); +void gro_cells_destroy(struct gro_cells *gcells); #endif diff --git a/include/net/ieee80211_radiotap.h b/include/net/ieee80211_radiotap.h index d0e7e3f8e67a..d91f9e7f4d71 100644 --- a/include/net/ieee80211_radiotap.h +++ b/include/net/ieee80211_radiotap.h @@ -1,201 +1,54 @@ /* - * Copyright (c) 2003, 2004 David Young. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. The name of David Young may not be used to endorse or promote - * products derived from this software without specific prior - * written permission. - * - * THIS SOFTWARE IS PROVIDED BY DAVID YOUNG ``AS IS'' AND ANY - * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, - * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A - * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL DAVID - * YOUNG BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED - * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND - * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, - * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY - * OF SUCH DAMAGE. - */ - -/* - * Modifications to fit into the linux IEEE 802.11 stack, - * Mike Kershaw (dragorn@kismetwireless.net) + * Copyright (c) 2017 Intel Deutschland GmbH + * + * Permission to use, copy, modify, and/or distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ +#ifndef __RADIOTAP_H +#define __RADIOTAP_H -#ifndef IEEE80211RADIOTAP_H -#define IEEE80211RADIOTAP_H - -#include <linux/if_ether.h> #include <linux/kernel.h> #include <asm/unaligned.h> -/* Base version of the radiotap packet header data */ -#define PKTHDR_RADIOTAP_VERSION 0 - -/* A generic radio capture format is desirable. There is one for - * Linux, but it is neither rigidly defined (there were not even - * units given for some fields) nor easily extensible. - * - * I suggest the following extensible radio capture format. It is - * based on a bitmap indicating which fields are present. - * - * I am trying to describe precisely what the application programmer - * should expect in the following, and for that reason I tell the - * units and origin of each measurement (where it applies), or else I - * use sufficiently weaselly language ("is a monotonically nondecreasing - * function of...") that I cannot set false expectations for lawyerly - * readers. - */ - -/* - * The radio capture header precedes the 802.11 header. - * All data in the header is little endian on all platforms. +/** + * struct ieee82011_radiotap_header - base radiotap header */ struct ieee80211_radiotap_header { - u8 it_version; /* Version 0. Only increases - * for drastic changes, - * introduction of compatible - * new fields does not count. - */ - u8 it_pad; - __le16 it_len; /* length of the whole - * header in bytes, including - * it_version, it_pad, - * it_len, and data fields. - */ - __le32 it_present; /* A bitmap telling which - * fields are present. Set bit 31 - * (0x80000000) to extend the - * bitmap by another 32 bits. - * Additional extensions are made - * by setting bit 31. - */ + /** + * @it_version: radiotap version, always 0 + */ + uint8_t it_version; + + /** + * @it_pad: padding (or alignment) + */ + uint8_t it_pad; + + /** + * @it_len: overall radiotap header length + */ + __le16 it_len; + + /** + * @it_present: (first) present word + */ + __le32 it_present; } __packed; -/* Name Data type Units - * ---- --------- ----- - * - * IEEE80211_RADIOTAP_TSFT __le64 microseconds - * - * Value in microseconds of the MAC's 64-bit 802.11 Time - * Synchronization Function timer when the first bit of the - * MPDU arrived at the MAC. For received frames, only. - * - * IEEE80211_RADIOTAP_CHANNEL 2 x __le16 MHz, bitmap - * - * Tx/Rx frequency in MHz, followed by flags (see below). - * - * IEEE80211_RADIOTAP_FHSS __le16 see below - * - * For frequency-hopping radios, the hop set (first byte) - * and pattern (second byte). - * - * IEEE80211_RADIOTAP_RATE u8 500kb/s - * - * Tx/Rx data rate - * - * IEEE80211_RADIOTAP_DBM_ANTSIGNAL s8 decibels from - * one milliwatt (dBm) - * - * RF signal power at the antenna, decibel difference from - * one milliwatt. - * - * IEEE80211_RADIOTAP_DBM_ANTNOISE s8 decibels from - * one milliwatt (dBm) - * - * RF noise power at the antenna, decibel difference from one - * milliwatt. - * - * IEEE80211_RADIOTAP_DB_ANTSIGNAL u8 decibel (dB) - * - * RF signal power at the antenna, decibel difference from an - * arbitrary, fixed reference. - * - * IEEE80211_RADIOTAP_DB_ANTNOISE u8 decibel (dB) - * - * RF noise power at the antenna, decibel difference from an - * arbitrary, fixed reference point. - * - * IEEE80211_RADIOTAP_LOCK_QUALITY __le16 unitless - * - * Quality of Barker code lock. Unitless. Monotonically - * nondecreasing with "better" lock strength. Called "Signal - * Quality" in datasheets. (Is there a standard way to measure - * this?) - * - * IEEE80211_RADIOTAP_TX_ATTENUATION __le16 unitless - * - * Transmit power expressed as unitless distance from max - * power set at factory calibration. 0 is max power. - * Monotonically nondecreasing with lower power levels. - * - * IEEE80211_RADIOTAP_DB_TX_ATTENUATION __le16 decibels (dB) - * - * Transmit power expressed as decibel distance from max power - * set at factory calibration. 0 is max power. Monotonically - * nondecreasing with lower power levels. - * - * IEEE80211_RADIOTAP_DBM_TX_POWER s8 decibels from - * one milliwatt (dBm) - * - * Transmit power expressed as dBm (decibels from a 1 milliwatt - * reference). This is the absolute power level measured at - * the antenna port. - * - * IEEE80211_RADIOTAP_FLAGS u8 bitmap - * - * Properties of transmitted and received frames. See flags - * defined below. - * - * IEEE80211_RADIOTAP_ANTENNA u8 antenna index - * - * Unitless indication of the Rx/Tx antenna for this packet. - * The first antenna is antenna 0. - * - * IEEE80211_RADIOTAP_RX_FLAGS __le16 bitmap - * - * Properties of received frames. See flags defined below. - * - * IEEE80211_RADIOTAP_TX_FLAGS __le16 bitmap - * - * Properties of transmitted frames. See flags defined below. - * - * IEEE80211_RADIOTAP_RTS_RETRIES u8 data - * - * Number of rts retries a transmitted frame used. - * - * IEEE80211_RADIOTAP_DATA_RETRIES u8 data - * - * Number of unicast retries a transmitted frame used. - * - * IEEE80211_RADIOTAP_MCS u8, u8, u8 unitless - * - * Contains a bitmap of known fields/flags, the flags, and - * the MCS index. - * - * IEEE80211_RADIOTAP_AMPDU_STATUS u32, u16, u8, u8 unitless - * - * Contains the AMPDU information for the subframe. - * - * IEEE80211_RADIOTAP_VHT u16, u8, u8, u8[4], u8, u8, u16 - * - * Contains VHT information about this frame. - * - * IEEE80211_RADIOTAP_TIMESTAMP u64, u16, u8, u8 variable - * - * Contains timestamp information for this frame. - */ -enum ieee80211_radiotap_type { +/* version is always 0 */ +#define PKTHDR_RADIOTAP_VERSION 0 + +/* see the radiotap website for the descriptions */ +enum ieee80211_radiotap_presence { IEEE80211_RADIOTAP_TSFT = 0, IEEE80211_RADIOTAP_FLAGS = 1, IEEE80211_RADIOTAP_RATE = 2, @@ -214,7 +67,7 @@ enum ieee80211_radiotap_type { IEEE80211_RADIOTAP_TX_FLAGS = 15, IEEE80211_RADIOTAP_RTS_RETRIES = 16, IEEE80211_RADIOTAP_DATA_RETRIES = 17, - + /* 18 is XChannel, but it's not defined yet */ IEEE80211_RADIOTAP_MCS = 19, IEEE80211_RADIOTAP_AMPDU_STATUS = 20, IEEE80211_RADIOTAP_VHT = 21, @@ -226,129 +79,135 @@ enum ieee80211_radiotap_type { IEEE80211_RADIOTAP_EXT = 31 }; -/* Channel flags. */ -#define IEEE80211_CHAN_TURBO 0x0010 /* Turbo channel */ -#define IEEE80211_CHAN_CCK 0x0020 /* CCK channel */ -#define IEEE80211_CHAN_OFDM 0x0040 /* OFDM channel */ -#define IEEE80211_CHAN_2GHZ 0x0080 /* 2 GHz spectrum channel. */ -#define IEEE80211_CHAN_5GHZ 0x0100 /* 5 GHz spectrum channel */ -#define IEEE80211_CHAN_PASSIVE 0x0200 /* Only passive scan allowed */ -#define IEEE80211_CHAN_DYN 0x0400 /* Dynamic CCK-OFDM channel */ -#define IEEE80211_CHAN_GFSK 0x0800 /* GFSK channel (FHSS PHY) */ -#define IEEE80211_CHAN_GSM 0x1000 /* GSM (900 MHz) */ -#define IEEE80211_CHAN_STURBO 0x2000 /* Static Turbo */ -#define IEEE80211_CHAN_HALF 0x4000 /* Half channel (10 MHz wide) */ -#define IEEE80211_CHAN_QUARTER 0x8000 /* Quarter channel (5 MHz wide) */ - -/* For IEEE80211_RADIOTAP_FLAGS */ -#define IEEE80211_RADIOTAP_F_CFP 0x01 /* sent/received - * during CFP - */ -#define IEEE80211_RADIOTAP_F_SHORTPRE 0x02 /* sent/received - * with short - * preamble - */ -#define IEEE80211_RADIOTAP_F_WEP 0x04 /* sent/received - * with WEP encryption - */ -#define IEEE80211_RADIOTAP_F_FRAG 0x08 /* sent/received - * with fragmentation - */ -#define IEEE80211_RADIOTAP_F_FCS 0x10 /* frame includes FCS */ -#define IEEE80211_RADIOTAP_F_DATAPAD 0x20 /* frame has padding between - * 802.11 header and payload - * (to 32-bit boundary) - */ -#define IEEE80211_RADIOTAP_F_BADFCS 0x40 /* bad FCS */ - -/* For IEEE80211_RADIOTAP_RX_FLAGS */ -#define IEEE80211_RADIOTAP_F_RX_BADPLCP 0x0002 /* frame has bad PLCP */ +/* for IEEE80211_RADIOTAP_FLAGS */ +enum ieee80211_radiotap_flags { + IEEE80211_RADIOTAP_F_CFP = 0x01, + IEEE80211_RADIOTAP_F_SHORTPRE = 0x02, + IEEE80211_RADIOTAP_F_WEP = 0x04, + IEEE80211_RADIOTAP_F_FRAG = 0x08, + IEEE80211_RADIOTAP_F_FCS = 0x10, + IEEE80211_RADIOTAP_F_DATAPAD = 0x20, + IEEE80211_RADIOTAP_F_BADFCS = 0x40, +}; -/* For IEEE80211_RADIOTAP_TX_FLAGS */ -#define IEEE80211_RADIOTAP_F_TX_FAIL 0x0001 /* failed due to excessive - * retries */ -#define IEEE80211_RADIOTAP_F_TX_CTS 0x0002 /* used cts 'protection' */ -#define IEEE80211_RADIOTAP_F_TX_RTS 0x0004 /* used rts/cts handshake */ -#define IEEE80211_RADIOTAP_F_TX_NOACK 0x0008 /* don't expect an ack */ +/* for IEEE80211_RADIOTAP_CHANNEL */ +enum ieee80211_radiotap_channel_flags { + IEEE80211_CHAN_CCK = 0x0020, + IEEE80211_CHAN_OFDM = 0x0040, + IEEE80211_CHAN_2GHZ = 0x0080, + IEEE80211_CHAN_5GHZ = 0x0100, + IEEE80211_CHAN_DYN = 0x0400, + IEEE80211_CHAN_HALF = 0x4000, + IEEE80211_CHAN_QUARTER = 0x8000, +}; +/* for IEEE80211_RADIOTAP_RX_FLAGS */ +enum ieee80211_radiotap_rx_flags { + IEEE80211_RADIOTAP_F_RX_BADPLCP = 0x0002, +}; -/* For IEEE80211_RADIOTAP_MCS */ -#define IEEE80211_RADIOTAP_MCS_HAVE_BW 0x01 -#define IEEE80211_RADIOTAP_MCS_HAVE_MCS 0x02 -#define IEEE80211_RADIOTAP_MCS_HAVE_GI 0x04 -#define IEEE80211_RADIOTAP_MCS_HAVE_FMT 0x08 -#define IEEE80211_RADIOTAP_MCS_HAVE_FEC 0x10 -#define IEEE80211_RADIOTAP_MCS_HAVE_STBC 0x20 +/* for IEEE80211_RADIOTAP_TX_FLAGS */ +enum ieee80211_radiotap_tx_flags { + IEEE80211_RADIOTAP_F_TX_FAIL = 0x0001, + IEEE80211_RADIOTAP_F_TX_CTS = 0x0002, + IEEE80211_RADIOTAP_F_TX_RTS = 0x0004, + IEEE80211_RADIOTAP_F_TX_NOACK = 0x0008, +}; -#define IEEE80211_RADIOTAP_MCS_BW_MASK 0x03 -#define IEEE80211_RADIOTAP_MCS_BW_20 0 -#define IEEE80211_RADIOTAP_MCS_BW_40 1 -#define IEEE80211_RADIOTAP_MCS_BW_20L 2 -#define IEEE80211_RADIOTAP_MCS_BW_20U 3 -#define IEEE80211_RADIOTAP_MCS_SGI 0x04 -#define IEEE80211_RADIOTAP_MCS_FMT_GF 0x08 -#define IEEE80211_RADIOTAP_MCS_FEC_LDPC 0x10 -#define IEEE80211_RADIOTAP_MCS_STBC_MASK 0x60 -#define IEEE80211_RADIOTAP_MCS_STBC_1 1 -#define IEEE80211_RADIOTAP_MCS_STBC_2 2 -#define IEEE80211_RADIOTAP_MCS_STBC_3 3 +/* for IEEE80211_RADIOTAP_MCS "have" flags */ +enum ieee80211_radiotap_mcs_have { + IEEE80211_RADIOTAP_MCS_HAVE_BW = 0x01, + IEEE80211_RADIOTAP_MCS_HAVE_MCS = 0x02, + IEEE80211_RADIOTAP_MCS_HAVE_GI = 0x04, + IEEE80211_RADIOTAP_MCS_HAVE_FMT = 0x08, + IEEE80211_RADIOTAP_MCS_HAVE_FEC = 0x10, + IEEE80211_RADIOTAP_MCS_HAVE_STBC = 0x20, +}; -#define IEEE80211_RADIOTAP_MCS_STBC_SHIFT 5 +enum ieee80211_radiotap_mcs_flags { + IEEE80211_RADIOTAP_MCS_BW_MASK = 0x03, + IEEE80211_RADIOTAP_MCS_BW_20 = 0, + IEEE80211_RADIOTAP_MCS_BW_40 = 1, + IEEE80211_RADIOTAP_MCS_BW_20L = 2, + IEEE80211_RADIOTAP_MCS_BW_20U = 3, + + IEEE80211_RADIOTAP_MCS_SGI = 0x04, + IEEE80211_RADIOTAP_MCS_FMT_GF = 0x08, + IEEE80211_RADIOTAP_MCS_FEC_LDPC = 0x10, + IEEE80211_RADIOTAP_MCS_STBC_MASK = 0x60, + IEEE80211_RADIOTAP_MCS_STBC_1 = 1, + IEEE80211_RADIOTAP_MCS_STBC_2 = 2, + IEEE80211_RADIOTAP_MCS_STBC_3 = 3, + IEEE80211_RADIOTAP_MCS_STBC_SHIFT = 5, +}; -/* For IEEE80211_RADIOTAP_AMPDU_STATUS */ -#define IEEE80211_RADIOTAP_AMPDU_REPORT_ZEROLEN 0x0001 -#define IEEE80211_RADIOTAP_AMPDU_IS_ZEROLEN 0x0002 -#define IEEE80211_RADIOTAP_AMPDU_LAST_KNOWN 0x0004 -#define IEEE80211_RADIOTAP_AMPDU_IS_LAST 0x0008 -#define IEEE80211_RADIOTAP_AMPDU_DELIM_CRC_ERR 0x0010 -#define IEEE80211_RADIOTAP_AMPDU_DELIM_CRC_KNOWN 0x0020 +/* for IEEE80211_RADIOTAP_AMPDU_STATUS */ +enum ieee80211_radiotap_ampdu_flags { + IEEE80211_RADIOTAP_AMPDU_REPORT_ZEROLEN = 0x0001, + IEEE80211_RADIOTAP_AMPDU_IS_ZEROLEN = 0x0002, + IEEE80211_RADIOTAP_AMPDU_LAST_KNOWN = 0x0004, + IEEE80211_RADIOTAP_AMPDU_IS_LAST = 0x0008, + IEEE80211_RADIOTAP_AMPDU_DELIM_CRC_ERR = 0x0010, + IEEE80211_RADIOTAP_AMPDU_DELIM_CRC_KNOWN = 0x0020, +}; -/* For IEEE80211_RADIOTAP_VHT */ -#define IEEE80211_RADIOTAP_VHT_KNOWN_STBC 0x0001 -#define IEEE80211_RADIOTAP_VHT_KNOWN_TXOP_PS_NA 0x0002 -#define IEEE80211_RADIOTAP_VHT_KNOWN_GI 0x0004 -#define IEEE80211_RADIOTAP_VHT_KNOWN_SGI_NSYM_DIS 0x0008 -#define IEEE80211_RADIOTAP_VHT_KNOWN_LDPC_EXTRA_OFDM_SYM 0x0010 -#define IEEE80211_RADIOTAP_VHT_KNOWN_BEAMFORMED 0x0020 -#define IEEE80211_RADIOTAP_VHT_KNOWN_BANDWIDTH 0x0040 -#define IEEE80211_RADIOTAP_VHT_KNOWN_GROUP_ID 0x0080 -#define IEEE80211_RADIOTAP_VHT_KNOWN_PARTIAL_AID 0x0100 +/* for IEEE80211_RADIOTAP_VHT */ +enum ieee80211_radiotap_vht_known { + IEEE80211_RADIOTAP_VHT_KNOWN_STBC = 0x0001, + IEEE80211_RADIOTAP_VHT_KNOWN_TXOP_PS_NA = 0x0002, + IEEE80211_RADIOTAP_VHT_KNOWN_GI = 0x0004, + IEEE80211_RADIOTAP_VHT_KNOWN_SGI_NSYM_DIS = 0x0008, + IEEE80211_RADIOTAP_VHT_KNOWN_LDPC_EXTRA_OFDM_SYM = 0x0010, + IEEE80211_RADIOTAP_VHT_KNOWN_BEAMFORMED = 0x0020, + IEEE80211_RADIOTAP_VHT_KNOWN_BANDWIDTH = 0x0040, + IEEE80211_RADIOTAP_VHT_KNOWN_GROUP_ID = 0x0080, + IEEE80211_RADIOTAP_VHT_KNOWN_PARTIAL_AID = 0x0100, +}; -#define IEEE80211_RADIOTAP_VHT_FLAG_STBC 0x01 -#define IEEE80211_RADIOTAP_VHT_FLAG_TXOP_PS_NA 0x02 -#define IEEE80211_RADIOTAP_VHT_FLAG_SGI 0x04 -#define IEEE80211_RADIOTAP_VHT_FLAG_SGI_NSYM_M10_9 0x08 -#define IEEE80211_RADIOTAP_VHT_FLAG_LDPC_EXTRA_OFDM_SYM 0x10 -#define IEEE80211_RADIOTAP_VHT_FLAG_BEAMFORMED 0x20 +enum ieee80211_radiotap_vht_flags { + IEEE80211_RADIOTAP_VHT_FLAG_STBC = 0x01, + IEEE80211_RADIOTAP_VHT_FLAG_TXOP_PS_NA = 0x02, + IEEE80211_RADIOTAP_VHT_FLAG_SGI = 0x04, + IEEE80211_RADIOTAP_VHT_FLAG_SGI_NSYM_M10_9 = 0x08, + IEEE80211_RADIOTAP_VHT_FLAG_LDPC_EXTRA_OFDM_SYM = 0x10, + IEEE80211_RADIOTAP_VHT_FLAG_BEAMFORMED = 0x20, +}; -#define IEEE80211_RADIOTAP_CODING_LDPC_USER0 0x01 -#define IEEE80211_RADIOTAP_CODING_LDPC_USER1 0x02 -#define IEEE80211_RADIOTAP_CODING_LDPC_USER2 0x04 -#define IEEE80211_RADIOTAP_CODING_LDPC_USER3 0x08 +enum ieee80211_radiotap_vht_coding { + IEEE80211_RADIOTAP_CODING_LDPC_USER0 = 0x01, + IEEE80211_RADIOTAP_CODING_LDPC_USER1 = 0x02, + IEEE80211_RADIOTAP_CODING_LDPC_USER2 = 0x04, + IEEE80211_RADIOTAP_CODING_LDPC_USER3 = 0x08, +}; -/* For IEEE80211_RADIOTAP_TIMESTAMP */ -#define IEEE80211_RADIOTAP_TIMESTAMP_UNIT_MASK 0x000F -#define IEEE80211_RADIOTAP_TIMESTAMP_UNIT_MS 0x0000 -#define IEEE80211_RADIOTAP_TIMESTAMP_UNIT_US 0x0001 -#define IEEE80211_RADIOTAP_TIMESTAMP_UNIT_NS 0x0003 -#define IEEE80211_RADIOTAP_TIMESTAMP_SPOS_MASK 0x00F0 -#define IEEE80211_RADIOTAP_TIMESTAMP_SPOS_BEGIN_MDPU 0x0000 -#define IEEE80211_RADIOTAP_TIMESTAMP_SPOS_PLCP_SIG_ACQ 0x0010 -#define IEEE80211_RADIOTAP_TIMESTAMP_SPOS_EO_PPDU 0x0020 -#define IEEE80211_RADIOTAP_TIMESTAMP_SPOS_EO_MPDU 0x0030 -#define IEEE80211_RADIOTAP_TIMESTAMP_SPOS_UNKNOWN 0x00F0 +/* for IEEE80211_RADIOTAP_TIMESTAMP */ +enum ieee80211_radiotap_timestamp_unit_spos { + IEEE80211_RADIOTAP_TIMESTAMP_UNIT_MASK = 0x000F, + IEEE80211_RADIOTAP_TIMESTAMP_UNIT_MS = 0x0000, + IEEE80211_RADIOTAP_TIMESTAMP_UNIT_US = 0x0001, + IEEE80211_RADIOTAP_TIMESTAMP_UNIT_NS = 0x0003, + IEEE80211_RADIOTAP_TIMESTAMP_SPOS_MASK = 0x00F0, + IEEE80211_RADIOTAP_TIMESTAMP_SPOS_BEGIN_MDPU = 0x0000, + IEEE80211_RADIOTAP_TIMESTAMP_SPOS_PLCP_SIG_ACQ = 0x0010, + IEEE80211_RADIOTAP_TIMESTAMP_SPOS_EO_PPDU = 0x0020, + IEEE80211_RADIOTAP_TIMESTAMP_SPOS_EO_MPDU = 0x0030, + IEEE80211_RADIOTAP_TIMESTAMP_SPOS_UNKNOWN = 0x00F0, +}; -#define IEEE80211_RADIOTAP_TIMESTAMP_FLAG_64BIT 0x00 -#define IEEE80211_RADIOTAP_TIMESTAMP_FLAG_32BIT 0x01 -#define IEEE80211_RADIOTAP_TIMESTAMP_FLAG_ACCURACY 0x02 +enum ieee80211_radiotap_timestamp_flags { + IEEE80211_RADIOTAP_TIMESTAMP_FLAG_64BIT = 0x00, + IEEE80211_RADIOTAP_TIMESTAMP_FLAG_32BIT = 0x01, + IEEE80211_RADIOTAP_TIMESTAMP_FLAG_ACCURACY = 0x02, +}; -/* helpers */ -static inline int ieee80211_get_radiotap_len(unsigned char *data) +/** + * ieee80211_get_radiotap_len - get radiotap header length + */ +static inline u16 ieee80211_get_radiotap_len(const char *data) { - struct ieee80211_radiotap_header *hdr = - (struct ieee80211_radiotap_header *)data; + struct ieee80211_radiotap_header *hdr = (void *)data; return get_unaligned_le16(&hdr->it_len); } -#endif /* IEEE80211_RADIOTAP_H */ +#endif /* __RADIOTAP_H */ diff --git a/include/net/if_inet6.h b/include/net/if_inet6.h index 0fa4c324b713..f656f9051aca 100644 --- a/include/net/if_inet6.h +++ b/include/net/if_inet6.h @@ -205,7 +205,6 @@ struct inet6_dev { __s32 rs_interval; /* in jiffies */ __u8 rs_probes; - __u8 addr_gen_mode; unsigned long tstamp; /* ipv6InterfaceTable update timestamp */ struct rcu_head rcu; }; diff --git a/include/net/ife.h b/include/net/ife.h new file mode 100644 index 000000000000..2d87d6898b0a --- /dev/null +++ b/include/net/ife.h @@ -0,0 +1,51 @@ +#ifndef __NET_IFE_H +#define __NET_IFE_H + +#include <linux/etherdevice.h> +#include <linux/rtnetlink.h> +#include <linux/module.h> +#include <uapi/linux/ife.h> + +#if IS_ENABLED(CONFIG_NET_IFE) + +void *ife_encode(struct sk_buff *skb, u16 metalen); +void *ife_decode(struct sk_buff *skb, u16 *metalen); + +void *ife_tlv_meta_decode(void *skbdata, u16 *attrtype, u16 *dlen, u16 *totlen); +int ife_tlv_meta_encode(void *skbdata, u16 attrtype, u16 dlen, + const void *dval); + +void *ife_tlv_meta_next(void *skbdata); + +#else + +static inline void *ife_encode(struct sk_buff *skb, u16 metalen) +{ + return NULL; +} + +static inline void *ife_decode(struct sk_buff *skb, u16 *metalen) +{ + return NULL; +} + +static inline void *ife_tlv_meta_decode(void *skbdata, u16 *attrtype, u16 *dlen, + u16 *totlen) +{ + return NULL; +} + +static inline int ife_tlv_meta_encode(void *skbdata, u16 attrtype, u16 dlen, + const void *dval) +{ + return 0; +} + +static inline void *ife_tlv_meta_next(void *skbdata) +{ + return NULL; +} + +#endif + +#endif /* __NET_IFE_H */ diff --git a/include/net/inet6_connection_sock.h b/include/net/inet6_connection_sock.h index 3212b39b5bfc..8ec87b62257b 100644 --- a/include/net/inet6_connection_sock.h +++ b/include/net/inet6_connection_sock.h @@ -15,16 +15,11 @@ #include <linux/types.h> -struct inet_bind_bucket; struct request_sock; struct sk_buff; struct sock; struct sockaddr; -int inet6_csk_bind_conflict(const struct sock *sk, - const struct inet_bind_bucket *tb, bool relax, - bool soreuseport_ok); - struct dst_entry *inet6_csk_route_req(const struct sock *sk, struct flowi6 *fl6, const struct request_sock *req, u8 proto); diff --git a/include/net/inet_common.h b/include/net/inet_common.h index 5d683428fced..b7952d55b9c0 100644 --- a/include/net/inet_common.h +++ b/include/net/inet_common.h @@ -17,7 +17,7 @@ int inet_release(struct socket *sock); int inet_stream_connect(struct socket *sock, struct sockaddr *uaddr, int addr_len, int flags); int __inet_stream_connect(struct socket *sock, struct sockaddr *uaddr, - int addr_len, int flags); + int addr_len, int flags, int is_sendmsg); int inet_dgram_connect(struct socket *sock, struct sockaddr *uaddr, int addr_len, int flags); int inet_accept(struct socket *sock, struct socket *newsock, int flags); diff --git a/include/net/inet_connection_sock.h b/include/net/inet_connection_sock.h index 85ee3879499e..826f198374f8 100644 --- a/include/net/inet_connection_sock.h +++ b/include/net/inet_connection_sock.h @@ -62,9 +62,6 @@ struct inet_connection_sock_af_ops { char __user *optval, int __user *optlen); #endif void (*addr2sockaddr)(struct sock *sk, struct sockaddr *); - int (*bind_conflict)(const struct sock *sk, - const struct inet_bind_bucket *tb, - bool relax, bool soreuseport_ok); void (*mtu_reduced)(struct sock *sk); }; @@ -144,6 +141,7 @@ struct inet_connection_sock { #define ICSK_TIME_PROBE0 3 /* Zero window probe timer */ #define ICSK_TIME_EARLY_RETRANS 4 /* Early retransmit timer */ #define ICSK_TIME_LOSS_PROBE 5 /* Tail loss probe timer */ +#define ICSK_TIME_REO_TIMEOUT 6 /* Reordering timer */ static inline struct inet_connection_sock *inet_csk(const struct sock *sk) { @@ -234,7 +232,8 @@ static inline void inet_csk_reset_xmit_timer(struct sock *sk, const int what, } if (what == ICSK_TIME_RETRANS || what == ICSK_TIME_PROBE0 || - what == ICSK_TIME_EARLY_RETRANS || what == ICSK_TIME_LOSS_PROBE) { + what == ICSK_TIME_EARLY_RETRANS || what == ICSK_TIME_LOSS_PROBE || + what == ICSK_TIME_REO_TIMEOUT) { icsk->icsk_pending = what; icsk->icsk_timeout = jiffies + when; sk_reset_timer(sk, &icsk->icsk_retransmit_timer, icsk->icsk_timeout); @@ -261,9 +260,6 @@ inet_csk_rto_backoff(const struct inet_connection_sock *icsk, struct sock *inet_csk_accept(struct sock *sk, int flags, int *err); -int inet_csk_bind_conflict(const struct sock *sk, - const struct inet_bind_bucket *tb, bool relax, - bool soreuseport_ok); int inet_csk_get_port(struct sock *sk, unsigned short snum); struct dst_entry *inet_csk_route_req(const struct sock *sk, struct flowi4 *fl4, diff --git a/include/net/inet_frag.h b/include/net/inet_frag.h index 909972aa3acd..5894730ec82a 100644 --- a/include/net/inet_frag.h +++ b/include/net/inet_frag.h @@ -164,13 +164,7 @@ static inline void add_frag_mem_limit(struct netns_frags *nf, int i) static inline unsigned int sum_frag_mem_limit(struct netns_frags *nf) { - unsigned int res; - - local_bh_disable(); - res = percpu_counter_sum_positive(&nf->mem); - local_bh_enable(); - - return res; + return percpu_counter_sum_positive(&nf->mem); } /* RFC 3168 support : diff --git a/include/net/inet_hashtables.h b/include/net/inet_hashtables.h index 0574493e3899..1178931288cb 100644 --- a/include/net/inet_hashtables.h +++ b/include/net/inet_hashtables.h @@ -74,13 +74,21 @@ struct inet_ehash_bucket { * users logged onto your box, isn't it nice to know that new data * ports are created in O(1) time? I thought so. ;-) -DaveM */ +#define FASTREUSEPORT_ANY 1 +#define FASTREUSEPORT_STRICT 2 + struct inet_bind_bucket { possible_net_t ib_net; unsigned short port; signed char fastreuse; signed char fastreuseport; kuid_t fastuid; - int num_owners; +#if IS_ENABLED(CONFIG_IPV6) + struct in6_addr fast_v6_rcv_saddr; +#endif + __be32 fast_rcv_saddr; + unsigned short fast_sk_family; + bool fast_ipv6_only; struct hlist_node node; struct hlist_head owners; }; @@ -203,10 +211,7 @@ void inet_hashinfo_init(struct inet_hashinfo *h); bool inet_ehash_insert(struct sock *sk, struct sock *osk); bool inet_ehash_nolisten(struct sock *sk, struct sock *osk); -int __inet_hash(struct sock *sk, struct sock *osk, - int (*saddr_same)(const struct sock *sk1, - const struct sock *sk2, - bool match_wildcard)); +int __inet_hash(struct sock *sk, struct sock *osk); int inet_hash(struct sock *sk); void inet_unhash(struct sock *sk); diff --git a/include/net/inet_sock.h b/include/net/inet_sock.h index c9cff977a7fb..aa95053dfc78 100644 --- a/include/net/inet_sock.h +++ b/include/net/inet_sock.h @@ -206,7 +206,11 @@ struct inet_sock { transparent:1, mc_all:1, nodefrag:1; - __u8 bind_address_no_port:1; + __u8 bind_address_no_port:1, + defer_connect:1; /* Indicates that fastopen_connect is set + * and cookie exists so we defer connect + * until first data frame is written + */ __u8 rcv_tos; __u8 convert_csum; int uc_index; diff --git a/include/net/inet_timewait_sock.h b/include/net/inet_timewait_sock.h index c9b3eb70f340..6a75d67a30fd 100644 --- a/include/net/inet_timewait_sock.h +++ b/include/net/inet_timewait_sock.h @@ -29,16 +29,6 @@ #include <linux/atomic.h> -struct inet_hashinfo; - -struct inet_timewait_death_row { - atomic_t tw_count; - - struct inet_hashinfo *hashinfo ____cacheline_aligned_in_smp; - int sysctl_tw_recycle; - int sysctl_max_tw_buckets; -}; - struct inet_bind_bucket; /* @@ -125,8 +115,7 @@ static inline void inet_twsk_reschedule(struct inet_timewait_sock *tw, int timeo void inet_twsk_deschedule_put(struct inet_timewait_sock *tw); -void inet_twsk_purge(struct inet_hashinfo *hashinfo, - struct inet_timewait_death_row *twdr, int family); +void inet_twsk_purge(struct inet_hashinfo *hashinfo, int family); static inline struct net *twsk_net(const struct inet_timewait_sock *twsk) diff --git a/include/net/ip.h b/include/net/ip.h index ab6761a7c883..bf264a8db1ce 100644 --- a/include/net/ip.h +++ b/include/net/ip.h @@ -263,11 +263,21 @@ static inline bool sysctl_dev_name_is_allowed(const char *name) return strcmp(name, "default") != 0 && strcmp(name, "all") != 0; } +static inline int inet_prot_sock(struct net *net) +{ + return net->ipv4.sysctl_ip_prot_sock; +} + #else static inline int inet_is_local_reserved_port(struct net *net, int port) { return 0; } + +static inline int inet_prot_sock(struct net *net) +{ + return PROT_SOCK; +} #endif __be32 inet_current_timestamp(void); diff --git a/include/net/ip6_fib.h b/include/net/ip6_fib.h index a74e2aa40ef4..c979c878df1c 100644 --- a/include/net/ip6_fib.h +++ b/include/net/ip6_fib.h @@ -37,7 +37,9 @@ struct fib6_config { int fc_ifindex; u32 fc_flags; u32 fc_protocol; - u32 fc_type; /* only 8 bits are used */ + u16 fc_type; /* only 8 bits are used */ + u16 fc_delete_all_nh : 1, + __unused : 15; struct in6_addr fc_dst; struct in6_addr fc_src; diff --git a/include/net/ip_fib.h b/include/net/ip_fib.h index 5f376af377c7..368bb4024b78 100644 --- a/include/net/ip_fib.h +++ b/include/net/ip_fib.h @@ -211,14 +211,22 @@ struct fib_entry_notifier_info { u8 tos; u8 type; u32 tb_id; - u32 nlflags; +}; + +struct fib_nh_notifier_info { + struct fib_notifier_info info; /* must be first */ + struct fib_nh *fib_nh; }; enum fib_event_type { + FIB_EVENT_ENTRY_REPLACE, + FIB_EVENT_ENTRY_APPEND, FIB_EVENT_ENTRY_ADD, FIB_EVENT_ENTRY_DEL, FIB_EVENT_RULE_ADD, FIB_EVENT_RULE_DEL, + FIB_EVENT_NH_ADD, + FIB_EVENT_NH_DEL, }; int register_fib_notifier(struct notifier_block *nb, @@ -344,7 +352,6 @@ __be32 fib_compute_spec_dst(struct sk_buff *skb); int fib_validate_source(struct sk_buff *skb, __be32 src, __be32 dst, u8 tos, int oif, struct net_device *dev, struct in_device *idev, u32 *itag); -void fib_select_default(const struct flowi4 *flp, struct fib_result *res); #ifdef CONFIG_IP_ROUTE_CLASSID static inline int fib_num_tclassid_users(struct net *net) { diff --git a/include/net/ip_tunnels.h b/include/net/ip_tunnels.h index e893fe43dd13..95056796657c 100644 --- a/include/net/ip_tunnels.h +++ b/include/net/ip_tunnels.h @@ -58,6 +58,7 @@ struct ip_tunnel_key { /* Flags for ip_tunnel_info mode. */ #define IP_TUNNEL_INFO_TX 0x01 /* represents tx tunnel parameters */ #define IP_TUNNEL_INFO_IPV6 0x02 /* key contains IPv6 addresses */ +#define IP_TUNNEL_INFO_BRIDGE 0x04 /* represents a bridged tunnel id */ /* Maximum tunnel options length. */ #define IP_TUNNEL_OPTS_MAX \ @@ -261,8 +262,8 @@ int ip_tunnel_ioctl(struct net_device *dev, struct ip_tunnel_parm *p, int cmd); int __ip_tunnel_change_mtu(struct net_device *dev, int new_mtu, bool strict); int ip_tunnel_change_mtu(struct net_device *dev, int new_mtu); -struct rtnl_link_stats64 *ip_tunnel_get_stats64(struct net_device *dev, - struct rtnl_link_stats64 *tot); +void ip_tunnel_get_stats64(struct net_device *dev, + struct rtnl_link_stats64 *tot); struct ip_tunnel *ip_tunnel_lookup(struct ip_tunnel_net *itn, int link, __be16 flags, __be32 remote, __be32 local, diff --git a/include/net/ip_vs.h b/include/net/ip_vs.h index cd6018a9ee24..7bdfa7d78363 100644 --- a/include/net/ip_vs.h +++ b/include/net/ip_vs.h @@ -1421,7 +1421,7 @@ static inline void ip_vs_dest_put(struct ip_vs_dest *dest) static inline void ip_vs_dest_put_and_free(struct ip_vs_dest *dest) { - if (atomic_dec_return(&dest->refcnt) < 0) + if (atomic_dec_and_test(&dest->refcnt)) kfree(dest); } @@ -1554,10 +1554,12 @@ static inline void ip_vs_notrack(struct sk_buff *skb) struct nf_conn *ct = nf_ct_get(skb, &ctinfo); if (!ct || !nf_ct_is_untracked(ct)) { - nf_conntrack_put(skb->nfct); - skb->nfct = &nf_ct_untracked_get()->ct_general; - skb->nfctinfo = IP_CT_NEW; - nf_conntrack_get(skb->nfct); + struct nf_conn *untracked; + + nf_conntrack_put(&ct->ct_general); + untracked = nf_ct_untracked_get(); + nf_conntrack_get(&untracked->ct_general); + nf_ct_set(skb, untracked, IP_CT_NEW); } #endif } diff --git a/include/net/iw_handler.h b/include/net/iw_handler.h index e0f4109e64c6..2509728650bd 100644 --- a/include/net/iw_handler.h +++ b/include/net/iw_handler.h @@ -505,25 +505,8 @@ static inline int iwe_stream_event_len_adjust(struct iw_request_info *info, /* * Wrapper to add an Wireless Event to a stream of events. */ -static inline char * -iwe_stream_add_event(struct iw_request_info *info, char *stream, char *ends, - struct iw_event *iwe, int event_len) -{ - int lcp_len = iwe_stream_lcp_len(info); - - event_len = iwe_stream_event_len_adjust(info, event_len); - - /* Check if it's possible */ - if(likely((stream + event_len) < ends)) { - iwe->len = event_len; - /* Beware of alignement issues on 64 bits */ - memcpy(stream, (char *) iwe, IW_EV_LCP_PK_LEN); - memcpy(stream + lcp_len, &iwe->u, - event_len - lcp_len); - stream += event_len; - } - return stream; -} +char *iwe_stream_add_event(struct iw_request_info *info, char *stream, + char *ends, struct iw_event *iwe, int event_len); static inline char * iwe_stream_add_event_check(struct iw_request_info *info, char *stream, @@ -541,26 +524,8 @@ iwe_stream_add_event_check(struct iw_request_info *info, char *stream, * Wrapper to add an short Wireless Event containing a pointer to a * stream of events. */ -static inline char * -iwe_stream_add_point(struct iw_request_info *info, char *stream, char *ends, - struct iw_event *iwe, char *extra) -{ - int event_len = iwe_stream_point_len(info) + iwe->u.data.length; - int point_len = iwe_stream_point_len(info); - int lcp_len = iwe_stream_lcp_len(info); - - /* Check if it's possible */ - if(likely((stream + event_len) < ends)) { - iwe->len = event_len; - memcpy(stream, (char *) iwe, IW_EV_LCP_PK_LEN); - memcpy(stream + lcp_len, - ((char *) &iwe->u) + IW_EV_POINT_OFF, - IW_EV_POINT_PK_LEN - IW_EV_LCP_PK_LEN); - memcpy(stream + point_len, extra, iwe->u.data.length); - stream += event_len; - } - return stream; -} +char *iwe_stream_add_point(struct iw_request_info *info, char *stream, + char *ends, struct iw_event *iwe, char *extra); static inline char * iwe_stream_add_point_check(struct iw_request_info *info, char *stream, @@ -579,25 +544,8 @@ iwe_stream_add_point_check(struct iw_request_info *info, char *stream, * Be careful, this one is tricky to use properly : * At the first run, you need to have (value = event + IW_EV_LCP_LEN). */ -static inline char * -iwe_stream_add_value(struct iw_request_info *info, char *event, char *value, - char *ends, struct iw_event *iwe, int event_len) -{ - int lcp_len = iwe_stream_lcp_len(info); - - /* Don't duplicate LCP */ - event_len -= IW_EV_LCP_LEN; - - /* Check if it's possible */ - if(likely((value + event_len) < ends)) { - /* Add new value */ - memcpy(value, &iwe->u, event_len); - value += event_len; - /* Patch LCP */ - iwe->len = value - event; - memcpy(event, (char *) iwe, lcp_len); - } - return value; -} +char *iwe_stream_add_value(struct iw_request_info *info, char *event, + char *value, char *ends, struct iw_event *iwe, + int event_len); #endif /* _IW_HANDLER_H */ diff --git a/include/net/lwtunnel.h b/include/net/lwtunnel.h index 0388b9c5f5e2..ebfe237aad7e 100644 --- a/include/net/lwtunnel.h +++ b/include/net/lwtunnel.h @@ -33,7 +33,7 @@ struct lwtunnel_state { }; struct lwtunnel_encap_ops { - int (*build_state)(struct net_device *dev, struct nlattr *encap, + int (*build_state)(struct nlattr *encap, unsigned int family, const void *cfg, struct lwtunnel_state **ts); void (*destroy_state)(struct lwtunnel_state *lws); @@ -109,7 +109,7 @@ int lwtunnel_encap_del_ops(const struct lwtunnel_encap_ops *op, unsigned int num); int lwtunnel_valid_encap_type(u16 encap_type); int lwtunnel_valid_encap_type_attr(struct nlattr *attr, int len); -int lwtunnel_build_state(struct net_device *dev, u16 encap_type, +int lwtunnel_build_state(u16 encap_type, struct nlattr *encap, unsigned int family, const void *cfg, struct lwtunnel_state **lws); @@ -184,7 +184,7 @@ static inline int lwtunnel_valid_encap_type_attr(struct nlattr *attr, int len) return 0; } -static inline int lwtunnel_build_state(struct net_device *dev, u16 encap_type, +static inline int lwtunnel_build_state(u16 encap_type, struct nlattr *encap, unsigned int family, const void *cfg, struct lwtunnel_state **lws) diff --git a/include/net/mac80211.h b/include/net/mac80211.h index 5345d358a510..b9a08cd1d97d 100644 --- a/include/net/mac80211.h +++ b/include/net/mac80211.h @@ -147,7 +147,6 @@ enum ieee80211_ac_numbers { IEEE80211_AC_BE = 2, IEEE80211_AC_BK = 3, }; -#define IEEE80211_NUM_ACS 4 /** * struct ieee80211_tx_queue_params - transmit queue configuration @@ -1018,7 +1017,7 @@ ieee80211_tx_info_clear_status(struct ieee80211_tx_info *info) * @RX_FLAG_DECRYPTED: This frame was decrypted in hardware. * @RX_FLAG_MMIC_STRIPPED: the Michael MIC is stripped off this frame, * verification has been done by the hardware. - * @RX_FLAG_IV_STRIPPED: The IV/ICV are stripped from this frame. + * @RX_FLAG_IV_STRIPPED: The IV and ICV are stripped from this frame. * If this flag is set, the stack cannot do any replay detection * hence the driver or hardware will have to do that. * @RX_FLAG_PN_VALIDATED: Currently only valid for CCMP/GCMP frames, this @@ -1089,6 +1088,8 @@ ieee80211_tx_info_clear_status(struct ieee80211_tx_info *info) * @RX_FLAG_ALLOW_SAME_PN: Allow the same PN as same packet before. * This is used for AMSDU subframes which can have the same PN as * the first subframe. + * @RX_FLAG_ICV_STRIPPED: The ICV is stripped from this frame. CRC checking must + * be done in the hardware. */ enum mac80211_rx_flags { RX_FLAG_MMIC_ERROR = BIT(0), @@ -1124,6 +1125,7 @@ enum mac80211_rx_flags { RX_FLAG_RADIOTAP_VENDOR_DATA = BIT(31), RX_FLAG_MIC_STRIPPED = BIT_ULL(32), RX_FLAG_ALLOW_SAME_PN = BIT_ULL(33), + RX_FLAG_ICV_STRIPPED = BIT_ULL(34), }; #define RX_FLAG_STBC_SHIFT 26 @@ -1766,15 +1768,6 @@ struct ieee80211_sta_rates { * @max_amsdu_subframes: indicates the maximal number of MSDUs in a single * A-MSDU. Taken from the Extended Capabilities element. 0 means * unlimited. - * @max_amsdu_len: indicates the maximal length of an A-MSDU in bytes. This - * field is always valid for packets with a VHT preamble. For packets - * with a HT preamble, additional limits apply: - * + If the skb is transmitted as part of a BA agreement, the - * A-MSDU maximal size is min(max_amsdu_len, 4065) bytes. - * + If the skb is not part of a BA aggreement, the A-MSDU maximal - * size is min(max_amsdu_len, 7935) bytes. - * Both additional HT limits must be enforced by the low level driver. - * This is defined by the spec (IEEE 802.11-2012 section 8.3.2.2 NOTE 2). * @support_p2p_ps: indicates whether the STA supports P2P PS mechanism or not. * @max_rc_amsdu_len: Maximum A-MSDU size in bytes recommended by rate control. * @txq: per-TID data TX queues (if driver uses the TXQ abstraction) @@ -1797,6 +1790,22 @@ struct ieee80211_sta { bool tdls_initiator; bool mfp; u8 max_amsdu_subframes; + + /** + * @max_amsdu_len: + * indicates the maximal length of an A-MSDU in bytes. + * This field is always valid for packets with a VHT preamble. + * For packets with a HT preamble, additional limits apply: + * + * * If the skb is transmitted as part of a BA agreement, the + * A-MSDU maximal size is min(max_amsdu_len, 4065) bytes. + * * If the skb is not part of a BA aggreement, the A-MSDU maximal + * size is min(max_amsdu_len, 7935) bytes. + * + * Both additional HT limits must be enforced by the low level + * driver. This is defined by the spec (IEEE 802.11-2012 section + * 8.3.2.2 NOTE 2). + */ u16 max_amsdu_len; bool support_p2p_ps; u16 max_rc_amsdu_len; @@ -3201,26 +3210,6 @@ enum ieee80211_reconfig_type { * Returns non-zero if this device sent the last beacon. * The callback can sleep. * - * @ampdu_action: Perform a certain A-MPDU action - * The RA/TID combination determines the destination and TID we want - * the ampdu action to be performed for. The action is defined through - * ieee80211_ampdu_mlme_action. - * When the action is set to %IEEE80211_AMPDU_TX_OPERATIONAL the driver - * may neither send aggregates containing more subframes than @buf_size - * nor send aggregates in a way that lost frames would exceed the - * buffer size. If just limiting the aggregate size, this would be - * possible with a buf_size of 8: - * - TX: 1.....7 - * - RX: 2....7 (lost frame #1) - * - TX: 8..1... - * which is invalid since #1 was now re-transmitted well past the - * buffer size of 8. Correct ways to retransmit #1 would be: - * - TX: 1 or 18 or 81 - * Even "189" would be wrong since 1 could be lost again. - * - * Returns a negative error code on failure. - * The callback can sleep. - * * @get_survey: Return per-channel survey information * * @rfkill_poll: Poll rfkill hardware state. If you need this, you also @@ -3573,6 +3562,35 @@ struct ieee80211_ops { s64 offset); void (*reset_tsf)(struct ieee80211_hw *hw, struct ieee80211_vif *vif); int (*tx_last_beacon)(struct ieee80211_hw *hw); + + /** + * @ampdu_action: + * Perform a certain A-MPDU action. + * The RA/TID combination determines the destination and TID we want + * the ampdu action to be performed for. The action is defined through + * ieee80211_ampdu_mlme_action. + * When the action is set to %IEEE80211_AMPDU_TX_OPERATIONAL the driver + * may neither send aggregates containing more subframes than @buf_size + * nor send aggregates in a way that lost frames would exceed the + * buffer size. If just limiting the aggregate size, this would be + * possible with a buf_size of 8: + * + * - ``TX: 1.....7`` + * - ``RX: 2....7`` (lost frame #1) + * - ``TX: 8..1...`` + * + * which is invalid since #1 was now re-transmitted well past the + * buffer size of 8. Correct ways to retransmit #1 would be: + * + * - ``TX: 1 or`` + * - ``TX: 18 or`` + * - ``TX: 81`` + * + * Even ``189`` would be wrong since 1 could be lost again. + * + * Returns a negative error code on failure. + * The callback can sleep. + */ int (*ampdu_action)(struct ieee80211_hw *hw, struct ieee80211_vif *vif, struct ieee80211_ampdu_params *params); @@ -5260,6 +5278,7 @@ void ieee80211_resume_disconnect(struct ieee80211_vif *vif); * * @vif: &struct ieee80211_vif pointer from the add_interface callback. * @rssi_event: the RSSI trigger event type + * @rssi_level: new RSSI level value or 0 if not available * @gfp: context flags * * When the %IEEE80211_VIF_SUPPORTS_CQM_RSSI is set, and a connection quality @@ -5268,6 +5287,7 @@ void ieee80211_resume_disconnect(struct ieee80211_vif *vif); */ void ieee80211_cqm_rssi_notify(struct ieee80211_vif *vif, enum nl80211_cqm_rssi_threshold_event rssi_event, + s32 rssi_level, gfp_t gfp); /** diff --git a/include/net/ndisc.h b/include/net/ndisc.h index d562a2fe4860..8a0214654b6b 100644 --- a/include/net/ndisc.h +++ b/include/net/ndisc.h @@ -391,6 +391,23 @@ static inline struct neighbour *__ipv6_neigh_lookup(struct net_device *dev, cons return n; } +static inline void __ipv6_confirm_neigh(struct net_device *dev, + const void *pkey) +{ + struct neighbour *n; + + rcu_read_lock_bh(); + n = __ipv6_neigh_lookup_noref(dev, pkey); + if (n) { + unsigned long now = jiffies; + + /* avoid dirtying neighbour */ + if (n->confirmed != now) + n->confirmed = now; + } + rcu_read_unlock_bh(); +} + int ndisc_init(void); int ndisc_late_init(void); diff --git a/include/net/neighbour.h b/include/net/neighbour.h index 8b683841e574..5ebf69491160 100644 --- a/include/net/neighbour.h +++ b/include/net/neighbour.h @@ -468,6 +468,16 @@ static inline int neigh_hh_output(const struct hh_cache *hh, struct sk_buff *skb return dev_queue_xmit(skb); } +static inline int neigh_output(struct neighbour *n, struct sk_buff *skb) +{ + const struct hh_cache *hh = &n->hh; + + if ((n->nud_state & NUD_CONNECTED) && hh->hh_len) + return neigh_hh_output(hh, skb); + else + return n->output(n, skb); +} + static inline struct neighbour * __neigh_lookup(struct neigh_table *tbl, const void *pkey, struct net_device *dev, int creat) { diff --git a/include/net/netfilter/ipv4/nf_conntrack_ipv4.h b/include/net/netfilter/ipv4/nf_conntrack_ipv4.h index 919e4e8af327..6ff32815641b 100644 --- a/include/net/netfilter/ipv4/nf_conntrack_ipv4.h +++ b/include/net/netfilter/ipv4/nf_conntrack_ipv4.h @@ -14,6 +14,7 @@ extern struct nf_conntrack_l3proto nf_conntrack_l3proto_ipv4; extern struct nf_conntrack_l4proto nf_conntrack_l4proto_tcp4; extern struct nf_conntrack_l4proto nf_conntrack_l4proto_udp4; +extern struct nf_conntrack_l4proto nf_conntrack_l4proto_udplite4; extern struct nf_conntrack_l4proto nf_conntrack_l4proto_icmp; #ifdef CONFIG_NF_CT_PROTO_DCCP extern struct nf_conntrack_l4proto nf_conntrack_l4proto_dccp4; diff --git a/include/net/netfilter/ipv6/nf_conntrack_ipv6.h b/include/net/netfilter/ipv6/nf_conntrack_ipv6.h index eaea968f8657..c59b82456f89 100644 --- a/include/net/netfilter/ipv6/nf_conntrack_ipv6.h +++ b/include/net/netfilter/ipv6/nf_conntrack_ipv6.h @@ -5,6 +5,7 @@ extern struct nf_conntrack_l3proto nf_conntrack_l3proto_ipv6; extern struct nf_conntrack_l4proto nf_conntrack_l4proto_tcp6; extern struct nf_conntrack_l4proto nf_conntrack_l4proto_udp6; +extern struct nf_conntrack_l4proto nf_conntrack_l4proto_udplite6; extern struct nf_conntrack_l4proto nf_conntrack_l4proto_icmpv6; #ifdef CONFIG_NF_CT_PROTO_DCCP extern struct nf_conntrack_l4proto nf_conntrack_l4proto_dccp6; diff --git a/include/net/netfilter/nf_conntrack.h b/include/net/netfilter/nf_conntrack.h index 5916aa9ab3f0..f540f9ad2af4 100644 --- a/include/net/netfilter/nf_conntrack.h +++ b/include/net/netfilter/nf_conntrack.h @@ -34,6 +34,7 @@ union nf_conntrack_proto { struct ip_ct_sctp sctp; struct ip_ct_tcp tcp; struct nf_ct_gre gre; + unsigned int tmpl_padto; }; union nf_conntrack_expect_proto { @@ -75,7 +76,7 @@ struct nf_conn { /* Usage count in here is 1 for hash table, 1 per skb, * plus 1 for any connection(s) we are `master' for * - * Hint, SKB address this struct and refcnt via skb->nfct and + * Hint, SKB address this struct and refcnt via skb->_nfct and * helpers nf_conntrack_get() and nf_conntrack_put(). * Helper nf_ct_put() equals nf_conntrack_put() by dec refcnt, * beware nf_ct_get() is different and don't inc refcnt. @@ -162,12 +163,16 @@ void nf_conntrack_alter_reply(struct nf_conn *ct, int nf_conntrack_tuple_taken(const struct nf_conntrack_tuple *tuple, const struct nf_conn *ignored_conntrack); +#define NFCT_INFOMASK 7UL +#define NFCT_PTRMASK ~(NFCT_INFOMASK) + /* Return conntrack_info and tuple hash for given skb. */ static inline struct nf_conn * nf_ct_get(const struct sk_buff *skb, enum ip_conntrack_info *ctinfo) { - *ctinfo = skb->nfctinfo; - return (struct nf_conn *)skb->nfct; + *ctinfo = skb->_nfct & NFCT_INFOMASK; + + return (struct nf_conn *)(skb->_nfct & NFCT_PTRMASK); } /* decrement reference count on a conntrack */ @@ -341,6 +346,12 @@ struct nf_conn *nf_ct_tmpl_alloc(struct net *net, gfp_t flags); void nf_ct_tmpl_free(struct nf_conn *tmpl); +static inline void +nf_ct_set(struct sk_buff *skb, struct nf_conn *ct, enum ip_conntrack_info info) +{ + skb->_nfct = (unsigned long)ct | info; +} + #define NF_CT_STAT_INC(net, count) __this_cpu_inc((net)->ct.stat->count) #define NF_CT_STAT_INC_ATOMIC(net, count) this_cpu_inc((net)->ct.stat->count) #define NF_CT_STAT_ADD_ATOMIC(net, count, v) this_cpu_add((net)->ct.stat->count, (v)) diff --git a/include/net/netfilter/nf_conntrack_core.h b/include/net/netfilter/nf_conntrack_core.h index 62e17d1319ff..84ec7ca5f195 100644 --- a/include/net/netfilter/nf_conntrack_core.h +++ b/include/net/netfilter/nf_conntrack_core.h @@ -62,7 +62,7 @@ int __nf_conntrack_confirm(struct sk_buff *skb); /* Confirm a connection: returns NF_DROP if packet must be dropped. */ static inline int nf_conntrack_confirm(struct sk_buff *skb) { - struct nf_conn *ct = (struct nf_conn *)skb->nfct; + struct nf_conn *ct = (struct nf_conn *)skb_nfct(skb); int ret = NF_ACCEPT; if (ct && !nf_ct_is_untracked(ct)) { diff --git a/include/net/netfilter/nf_conntrack_l4proto.h b/include/net/netfilter/nf_conntrack_l4proto.h index e7b836590f0b..85e993e278d5 100644 --- a/include/net/netfilter/nf_conntrack_l4proto.h +++ b/include/net/netfilter/nf_conntrack_l4proto.h @@ -55,7 +55,7 @@ struct nf_conntrack_l4proto { void (*destroy)(struct nf_conn *ct); int (*error)(struct net *net, struct nf_conn *tmpl, struct sk_buff *skb, - unsigned int dataoff, enum ip_conntrack_info *ctinfo, + unsigned int dataoff, u_int8_t pf, unsigned int hooknum); /* Print out the per-protocol part of the tuple. Return like seq_* */ diff --git a/include/net/netfilter/nf_log.h b/include/net/netfilter/nf_log.h index 450f87f95415..42e0696f38d8 100644 --- a/include/net/netfilter/nf_log.h +++ b/include/net/netfilter/nf_log.h @@ -51,6 +51,9 @@ struct nf_logger { struct module *me; }; +/* sysctl_nf_log_all_netns - allow LOG target in all network namespaces */ +extern int sysctl_nf_log_all_netns; + /* Function to register/unregister log function. */ int nf_log_register(u_int8_t pf, struct nf_logger *logger); void nf_log_unregister(struct nf_logger *logger); diff --git a/include/net/netfilter/nf_tables.h b/include/net/netfilter/nf_tables.h index 7dfdb517f0be..ac84686aaafb 100644 --- a/include/net/netfilter/nf_tables.h +++ b/include/net/netfilter/nf_tables.h @@ -203,6 +203,7 @@ struct nft_set_elem { struct nft_set; struct nft_set_iter { u8 genmask; + bool flush; unsigned int count; unsigned int skip; int err; @@ -243,11 +244,13 @@ enum nft_set_class { * characteristics * * @size: required memory - * @class: lookup performance class + * @lookup: lookup performance class + * @space: memory class */ struct nft_set_estimate { unsigned int size; - enum nft_set_class class; + enum nft_set_class lookup; + enum nft_set_class space; }; struct nft_set_ext; @@ -260,7 +263,7 @@ struct nft_expr; * @insert: insert new element into set * @activate: activate new element in the next generation * @deactivate: lookup for element and deactivate it in the next generation - * @deactivate_one: deactivate element in the next generation + * @flush: deactivate element in the next generation * @remove: remove element from set * @walk: iterate over all set elemeennts * @privsize: function to return size of set private data @@ -295,10 +298,11 @@ struct nft_set_ops { void * (*deactivate)(const struct net *net, const struct nft_set *set, const struct nft_set_elem *elem); - bool (*deactivate_one)(const struct net *net, - const struct nft_set *set, - void *priv); - void (*remove)(const struct nft_set *set, + bool (*flush)(const struct net *net, + const struct nft_set *set, + void *priv); + void (*remove)(const struct net *net, + const struct nft_set *set, const struct nft_set_elem *elem); void (*walk)(const struct nft_ctx *ctx, struct nft_set *set, @@ -1198,10 +1202,13 @@ struct nft_trans { struct nft_trans_rule { struct nft_rule *rule; + u32 rule_id; }; #define nft_trans_rule(trans) \ (((struct nft_trans_rule *)trans->data)->rule) +#define nft_trans_rule_id(trans) \ + (((struct nft_trans_rule *)trans->data)->rule_id) struct nft_trans_set { struct nft_set *set; diff --git a/include/net/netlink.h b/include/net/netlink.h index d3938f11ae52..b239fcd33d80 100644 --- a/include/net/netlink.h +++ b/include/net/netlink.h @@ -229,6 +229,7 @@ struct nl_info { struct nlmsghdr *nlh; struct net *nl_net; u32 portid; + bool skip_notify; }; int netlink_rcv_skb(struct sk_buff *skb, diff --git a/include/net/netns/conntrack.h b/include/net/netns/conntrack.h index cf799fc3fdec..17724c62de97 100644 --- a/include/net/netns/conntrack.h +++ b/include/net/netns/conntrack.h @@ -69,19 +69,6 @@ struct nf_sctp_net { }; #endif -#ifdef CONFIG_NF_CT_PROTO_UDPLITE -enum udplite_conntrack { - UDPLITE_CT_UNREPLIED, - UDPLITE_CT_REPLIED, - UDPLITE_CT_MAX -}; - -struct nf_udplite_net { - struct nf_proto_net pn; - unsigned int timeouts[UDPLITE_CT_MAX]; -}; -#endif - struct nf_ip_net { struct nf_generic_net generic; struct nf_tcp_net tcp; @@ -94,9 +81,6 @@ struct nf_ip_net { #ifdef CONFIG_NF_CT_PROTO_SCTP struct nf_sctp_net sctp; #endif -#ifdef CONFIG_NF_CT_PROTO_UDPLITE - struct nf_udplite_net udplite; -#endif }; struct ct_pcpu { diff --git a/include/net/netns/ipv4.h b/include/net/netns/ipv4.h index 0378e88f6fd3..622d2da27135 100644 --- a/include/net/netns/ipv4.h +++ b/include/net/netns/ipv4.h @@ -27,6 +27,16 @@ struct ping_group_range { kgid_t range[2]; }; +struct inet_hashinfo; + +struct inet_timewait_death_row { + atomic_t tw_count; + + struct inet_hashinfo *hashinfo ____cacheline_aligned_in_smp; + int sysctl_tw_recycle; + int sysctl_max_tw_buckets; +}; + struct netns_ipv4 { #ifdef CONFIG_SYSCTL struct ctl_table_header *forw_hdr; @@ -111,6 +121,12 @@ struct netns_ipv4 { int sysctl_tcp_fin_timeout; unsigned int sysctl_tcp_notsent_lowat; int sysctl_tcp_tw_reuse; + struct inet_timewait_death_row tcp_death_row; + int sysctl_max_syn_backlog; + +#ifdef CONFIG_NET_L3_MASTER_DEV + int sysctl_udp_l3mdev_accept; +#endif int sysctl_igmp_max_memberships; int sysctl_igmp_max_msf; @@ -123,6 +139,7 @@ struct netns_ipv4 { #ifdef CONFIG_SYSCTL unsigned long *sysctl_local_reserved_ports; + int sysctl_ip_prot_sock; #endif #ifdef CONFIG_IP_MROUTE diff --git a/include/net/netns/sctp.h b/include/net/netns/sctp.h index c501d67172b1..b7871d018354 100644 --- a/include/net/netns/sctp.h +++ b/include/net/netns/sctp.h @@ -118,6 +118,9 @@ struct netns_sctp { /* Flag to indicate if PR-SCTP is enabled. */ int prsctp_enable; + /* Flag to indicate if PR-CONFIG is enabled. */ + int reconf_enable; + /* Flag to idicate if SCTP-AUTH is enabled */ int auth_enable; diff --git a/include/net/pkt_cls.h b/include/net/pkt_cls.h index f0a051480c6c..269fd78bb0ae 100644 --- a/include/net/pkt_cls.h +++ b/include/net/pkt_cls.h @@ -17,6 +17,14 @@ struct tcf_walker { int register_tcf_proto_ops(struct tcf_proto_ops *ops); int unregister_tcf_proto_ops(struct tcf_proto_ops *ops); +#ifdef CONFIG_NET_CLS +void tcf_destroy_chain(struct tcf_proto __rcu **fl); +#else +static inline void tcf_destroy_chain(struct tcf_proto __rcu **fl) +{ +} +#endif + static inline unsigned long __cls_set_class(unsigned long *clp, unsigned long cl) { @@ -473,6 +481,11 @@ static inline bool tc_flags_valid(u32 flags) return true; } +static inline bool tc_in_hw(u32 flags) +{ + return (flags & TCA_CLS_FLAGS_IN_HW) ? true : false; +} + enum tc_fl_command { TC_CLSFLOWER_REPLACE, TC_CLSFLOWER_DESTROY, @@ -481,6 +494,7 @@ enum tc_fl_command { struct tc_cls_flower_offload { enum tc_fl_command command; + u32 prio; unsigned long cookie; struct flow_dissector *dissector; struct fl_flow_key *mask; @@ -515,4 +529,12 @@ struct tc_cls_bpf_offload { u32 gen_flags; }; + +/* This structure holds cookie structure that is passed from user + * to the kernel for actions and classifiers + */ +struct tc_cookie { + u8 *data; + u32 len; +}; #endif diff --git a/include/net/psample.h b/include/net/psample.h new file mode 100644 index 000000000000..8888b0e1a82e --- /dev/null +++ b/include/net/psample.h @@ -0,0 +1,36 @@ +#ifndef __NET_PSAMPLE_H +#define __NET_PSAMPLE_H + +#include <uapi/linux/psample.h> +#include <linux/module.h> +#include <linux/list.h> + +struct psample_group { + struct list_head list; + struct net *net; + u32 group_num; + u32 refcount; + u32 seq; +}; + +struct psample_group *psample_group_get(struct net *net, u32 group_num); +void psample_group_put(struct psample_group *group); + +#if IS_ENABLED(CONFIG_PSAMPLE) + +void psample_sample_packet(struct psample_group *group, struct sk_buff *skb, + u32 trunc_size, int in_ifindex, int out_ifindex, + u32 sample_rate); + +#else + +static inline void psample_sample_packet(struct psample_group *group, + struct sk_buff *skb, u32 trunc_size, + int in_ifindex, int out_ifindex, + u32 sample_rate) +{ +} + +#endif + +#endif /* __NET_PSAMPLE_H */ diff --git a/include/net/request_sock.h b/include/net/request_sock.h index 6ebe13eb1c4c..a12a5d25b27e 100644 --- a/include/net/request_sock.h +++ b/include/net/request_sock.h @@ -1,7 +1,7 @@ /* * NET Generic infrastructure for Network protocols. * - * Definitions for request_sock + * Definitions for request_sock * * Authors: Arnaldo Carvalho de Melo <acme@conectiva.com.br> * @@ -123,8 +123,6 @@ static inline void reqsk_put(struct request_sock *req) reqsk_free(req); } -extern int sysctl_max_syn_backlog; - /* * For a TCP Fast Open listener - * lock - protects the access to all the reqsk, which is co-owned by diff --git a/include/net/rtnetlink.h b/include/net/rtnetlink.h index 4113916cc1bb..106de5f7bf06 100644 --- a/include/net/rtnetlink.h +++ b/include/net/rtnetlink.h @@ -139,6 +139,10 @@ struct rtnl_af_ops { const struct nlattr *attr); int (*set_link_af)(struct net_device *dev, const struct nlattr *attr); + + int (*fill_stats_af)(struct sk_buff *skb, + const struct net_device *dev); + size_t (*get_stats_af_size)(const struct net_device *dev); }; void __rtnl_af_unregister(struct rtnl_af_ops *ops); diff --git a/include/net/sch_generic.h b/include/net/sch_generic.h index 498f81b229a4..aeec4086afb2 100644 --- a/include/net/sch_generic.h +++ b/include/net/sch_generic.h @@ -405,19 +405,35 @@ struct Qdisc *qdisc_create_dflt(struct netdev_queue *dev_queue, const struct Qdisc_ops *ops, u32 parentid); void __qdisc_calculate_pkt_len(struct sk_buff *skb, const struct qdisc_size_table *stab); -bool tcf_destroy(struct tcf_proto *tp, bool force); -void tcf_destroy_chain(struct tcf_proto __rcu **fl); int skb_do_redirect(struct sk_buff *); +static inline void skb_reset_tc(struct sk_buff *skb) +{ +#ifdef CONFIG_NET_CLS_ACT + skb->tc_redirected = 0; +#endif +} + static inline bool skb_at_tc_ingress(const struct sk_buff *skb) { #ifdef CONFIG_NET_CLS_ACT - return G_TC_AT(skb->tc_verd) & AT_INGRESS; + return skb->tc_at_ingress; #else return false; #endif } +static inline bool skb_skip_tc_classify(struct sk_buff *skb) +{ +#ifdef CONFIG_NET_CLS_ACT + if (skb->tc_skip_classify) { + skb->tc_skip_classify = 0; + return true; + } +#endif + return false; +} + /* Reset all TX qdiscs greater then index of a device. */ static inline void qdisc_reset_all_tx_gt(struct net_device *dev, unsigned int i) { diff --git a/include/net/sctp/constants.h b/include/net/sctp/constants.h index 5b847e49f7e9..b07a745ab69f 100644 --- a/include/net/sctp/constants.h +++ b/include/net/sctp/constants.h @@ -60,11 +60,14 @@ enum { SCTP_DEFAULT_INSTREAMS = SCTP_MAX_STREAM }; #define SCTP_NUM_PRSCTP_CHUNK_TYPES 1 +#define SCTP_NUM_RECONF_CHUNK_TYPES 1 + #define SCTP_NUM_AUTH_CHUNK_TYPES 1 #define SCTP_NUM_CHUNK_TYPES (SCTP_NUM_BASE_CHUNK_TYPES + \ SCTP_NUM_ADDIP_CHUNK_TYPES +\ SCTP_NUM_PRSCTP_CHUNK_TYPES +\ + SCTP_NUM_RECONF_CHUNK_TYPES +\ SCTP_NUM_AUTH_CHUNK_TYPES) /* These are the different flavours of event. */ @@ -90,6 +93,7 @@ typedef enum { SCTP_EVENT_TIMEOUT_T4_RTO, SCTP_EVENT_TIMEOUT_T5_SHUTDOWN_GUARD, SCTP_EVENT_TIMEOUT_HEARTBEAT, + SCTP_EVENT_TIMEOUT_RECONF, SCTP_EVENT_TIMEOUT_SACK, SCTP_EVENT_TIMEOUT_AUTOCLOSE, } sctp_event_timeout_t; @@ -113,9 +117,10 @@ typedef enum { SCTP_PRIMITIVE_SEND, SCTP_PRIMITIVE_REQUESTHEARTBEAT, SCTP_PRIMITIVE_ASCONF, + SCTP_PRIMITIVE_RECONF, } sctp_event_primitive_t; -#define SCTP_EVENT_PRIMITIVE_MAX SCTP_PRIMITIVE_ASCONF +#define SCTP_EVENT_PRIMITIVE_MAX SCTP_PRIMITIVE_RECONF #define SCTP_NUM_PRIMITIVE_TYPES (SCTP_EVENT_PRIMITIVE_MAX + 1) /* We define here a utility type for manipulating subtypes. diff --git a/include/net/sctp/sctp.h b/include/net/sctp/sctp.h index d8833a86cd7e..1f71ee5ab518 100644 --- a/include/net/sctp/sctp.h +++ b/include/net/sctp/sctp.h @@ -141,6 +141,8 @@ int sctp_primitive_ABORT(struct net *, struct sctp_association *, void *arg); int sctp_primitive_SEND(struct net *, struct sctp_association *, void *arg); int sctp_primitive_REQUESTHEARTBEAT(struct net *, struct sctp_association *, void *arg); int sctp_primitive_ASCONF(struct net *, struct sctp_association *, void *arg); +int sctp_primitive_RECONF(struct net *net, struct sctp_association *asoc, + void *arg); /* * sctp/input.c @@ -192,6 +194,15 @@ void sctp_remaddr_proc_exit(struct net *net); int sctp_offload_init(void); /* + * sctp/stream.c + */ +int sctp_send_reset_streams(struct sctp_association *asoc, + struct sctp_reset_streams *params); +int sctp_send_reset_assoc(struct sctp_association *asoc); +int sctp_send_add_streams(struct sctp_association *asoc, + struct sctp_add_streams *params); + +/* * Module global variables */ @@ -283,7 +294,6 @@ extern atomic_t sctp_dbg_objcnt_chunk; extern atomic_t sctp_dbg_objcnt_bind_addr; extern atomic_t sctp_dbg_objcnt_bind_bucket; extern atomic_t sctp_dbg_objcnt_addr; -extern atomic_t sctp_dbg_objcnt_ssnmap; extern atomic_t sctp_dbg_objcnt_datamsg; extern atomic_t sctp_dbg_objcnt_keys; @@ -586,10 +596,10 @@ static inline void sctp_v4_map_v6(union sctp_addr *addr) */ static inline struct dst_entry *sctp_transport_dst_check(struct sctp_transport *t) { - if (t->dst && !dst_check(t->dst, t->dst_cookie)) { - dst_release(t->dst); - t->dst = NULL; - } + if (t->dst && (!dst_check(t->dst, t->dst_cookie) || + t->pathmtu != max_t(size_t, SCTP_TRUNC4(dst_mtu(t->dst)), + SCTP_DEFAULT_MINSEGMENT))) + sctp_transport_dst_release(t); return t->dst; } diff --git a/include/net/sctp/sm.h b/include/net/sctp/sm.h index ca6c971dd74a..b6f682ec184a 100644 --- a/include/net/sctp/sm.h +++ b/include/net/sctp/sm.h @@ -135,6 +135,7 @@ sctp_state_fn_t sctp_sf_do_8_5_1_E_sa; sctp_state_fn_t sctp_sf_cookie_echoed_err; sctp_state_fn_t sctp_sf_do_asconf; sctp_state_fn_t sctp_sf_do_asconf_ack; +sctp_state_fn_t sctp_sf_do_reconf; sctp_state_fn_t sctp_sf_do_9_2_reshutack; sctp_state_fn_t sctp_sf_eat_fwd_tsn; sctp_state_fn_t sctp_sf_eat_fwd_tsn_fast; @@ -157,6 +158,7 @@ sctp_state_fn_t sctp_sf_error_shutdown; sctp_state_fn_t sctp_sf_ignore_primitive; sctp_state_fn_t sctp_sf_do_prm_requestheartbeat; sctp_state_fn_t sctp_sf_do_prm_asconf; +sctp_state_fn_t sctp_sf_do_prm_reconf; /* Prototypes for other event state functions. */ sctp_state_fn_t sctp_sf_do_no_pending_tsn; @@ -167,6 +169,7 @@ sctp_state_fn_t sctp_sf_cookie_wait_icmp_abort; /* Prototypes for timeout event state functions. */ sctp_state_fn_t sctp_sf_do_6_3_3_rtx; +sctp_state_fn_t sctp_sf_send_reconf; sctp_state_fn_t sctp_sf_do_6_2_sack; sctp_state_fn_t sctp_sf_autoclose_timer_expire; @@ -259,10 +262,38 @@ struct sctp_chunk *sctp_make_fwdtsn(const struct sctp_association *asoc, __u32 new_cum_tsn, size_t nstreams, struct sctp_fwdtsn_skip *skiplist); struct sctp_chunk *sctp_make_auth(const struct sctp_association *asoc); - +struct sctp_chunk *sctp_make_strreset_req( + const struct sctp_association *asoc, + __u16 stream_num, __u16 *stream_list, + bool out, bool in); +struct sctp_chunk *sctp_make_strreset_tsnreq( + const struct sctp_association *asoc); +struct sctp_chunk *sctp_make_strreset_addstrm( + const struct sctp_association *asoc, + __u16 out, __u16 in); +struct sctp_chunk *sctp_make_strreset_resp( + const struct sctp_association *asoc, + __u32 result, __u32 sn); +struct sctp_chunk *sctp_make_strreset_tsnresp( + struct sctp_association *asoc, + __u32 result, __u32 sn, + __u32 sender_tsn, __u32 receiver_tsn); +bool sctp_verify_reconf(const struct sctp_association *asoc, + struct sctp_chunk *chunk, + struct sctp_paramhdr **errp); void sctp_chunk_assign_tsn(struct sctp_chunk *); void sctp_chunk_assign_ssn(struct sctp_chunk *); +/* Prototypes for stream-processing functions. */ +struct sctp_chunk *sctp_process_strreset_outreq( + struct sctp_association *asoc, + union sctp_params param, + struct sctp_ulpevent **evp); +struct sctp_chunk *sctp_process_strreset_inreq( + struct sctp_association *asoc, + union sctp_params param, + struct sctp_ulpevent **evp); + /* Prototypes for statetable processing. */ int sctp_do_sm(struct net *net, sctp_event_t event_type, sctp_subtype_t subtype, @@ -275,6 +306,7 @@ int sctp_do_sm(struct net *net, sctp_event_t event_type, sctp_subtype_t subtype, /* 2nd level prototypes */ void sctp_generate_t3_rtx_event(unsigned long peer); void sctp_generate_heartbeat_event(unsigned long peer); +void sctp_generate_reconf_event(unsigned long peer); void sctp_generate_proto_unreach_event(unsigned long peer); void sctp_ootb_pkt_free(struct sctp_packet *); diff --git a/include/net/sctp/structs.h b/include/net/sctp/structs.h index 92daabdc007d..a244db5e5ff7 100644 --- a/include/net/sctp/structs.h +++ b/include/net/sctp/structs.h @@ -82,7 +82,6 @@ struct sctp_outq; struct sctp_bind_addr; struct sctp_ulpq; struct sctp_ep_common; -struct sctp_ssnmap; struct crypto_shash; @@ -375,56 +374,24 @@ typedef struct sctp_sender_hb_info { union sctp_addr daddr; unsigned long sent_at; __u64 hb_nonce; -} __packed sctp_sender_hb_info_t; +} sctp_sender_hb_info_t; -/* - * RFC 2960 1.3.2 Sequenced Delivery within Streams - * - * The term "stream" is used in SCTP to refer to a sequence of user - * messages that are to be delivered to the upper-layer protocol in - * order with respect to other messages within the same stream. This is - * in contrast to its usage in TCP, where it refers to a sequence of - * bytes (in this document a byte is assumed to be eight bits). - * ... - * - * This is the structure we use to track both our outbound and inbound - * SSN, or Stream Sequence Numbers. - */ - -struct sctp_stream { - __u16 *ssn; - unsigned int len; -}; - -struct sctp_ssnmap { - struct sctp_stream in; - struct sctp_stream out; -}; - -struct sctp_ssnmap *sctp_ssnmap_new(__u16 in, __u16 out, - gfp_t gfp); -void sctp_ssnmap_free(struct sctp_ssnmap *map); -void sctp_ssnmap_clear(struct sctp_ssnmap *map); +struct sctp_stream *sctp_stream_new(__u16 incnt, __u16 outcnt, gfp_t gfp); +void sctp_stream_free(struct sctp_stream *stream); +void sctp_stream_clear(struct sctp_stream *stream); /* What is the current SSN number for this stream? */ -static inline __u16 sctp_ssn_peek(struct sctp_stream *stream, __u16 id) -{ - return stream->ssn[id]; -} +#define sctp_ssn_peek(stream, type, sid) \ + ((stream)->type[sid].ssn) /* Return the next SSN number for this stream. */ -static inline __u16 sctp_ssn_next(struct sctp_stream *stream, __u16 id) -{ - return stream->ssn[id]++; -} +#define sctp_ssn_next(stream, type, sid) \ + ((stream)->type[sid].ssn++) /* Skip over this ssn and all below. */ -static inline void sctp_ssn_skip(struct sctp_stream *stream, __u16 id, - __u16 ssn) -{ - stream->ssn[id] = ssn+1; -} - +#define sctp_ssn_skip(stream, type, sid, ssn) \ + ((stream)->type[sid].ssn = ssn + 1) + /* * Pointers to address related SCTP functions. * (i.e. things that depend on the address family.) @@ -530,6 +497,7 @@ struct sctp_datamsg { /* Did the messenge fail to send? */ int send_error; u8 send_failed:1, + force_delay:1, can_delay; /* should this message be Nagle delayed */ }; @@ -722,10 +690,9 @@ struct sctp_packet { ipfragok:1; /* So let ip fragment this packet */ }; -struct sctp_packet *sctp_packet_init(struct sctp_packet *, - struct sctp_transport *, - __u16 sport, __u16 dport); -struct sctp_packet *sctp_packet_config(struct sctp_packet *, __u32 vtag, int); +void sctp_packet_init(struct sctp_packet *, struct sctp_transport *, + __u16 sport, __u16 dport); +void sctp_packet_config(struct sctp_packet *, __u32 vtag, int); sctp_xmit_t sctp_packet_transmit_chunk(struct sctp_packet *, struct sctp_chunk *, int, gfp_t); sctp_xmit_t sctp_packet_append_chunk(struct sctp_packet *, @@ -838,6 +805,8 @@ struct sctp_transport { __u32 burst_limited; /* Holds old cwnd when max.burst is applied */ + __u32 dst_pending_confirm; /* need to confirm neighbour */ + /* Destination */ struct dst_entry *dst; /* Source address. */ @@ -911,6 +880,9 @@ struct sctp_transport { /* Timer to handle ICMP proto unreachable envets */ struct timer_list proto_unreach_timer; + /* Timer to handler reconf chunk rtx */ + struct timer_list reconf_timer; + /* Since we're using per-destination retransmission timers * (see above), we're also using per-destination "transmitted" * queues. This probably ought to be a private struct @@ -969,6 +941,7 @@ void sctp_transport_pmtu(struct sctp_transport *, struct sock *sk); void sctp_transport_free(struct sctp_transport *); void sctp_transport_reset_t3_rtx(struct sctp_transport *); void sctp_transport_reset_hb_timer(struct sctp_transport *); +void sctp_transport_reset_reconf_timer(struct sctp_transport *transport); int sctp_transport_hold(struct sctp_transport *); void sctp_transport_put(struct sctp_transport *); void sctp_transport_update_rto(struct sctp_transport *, __u32); @@ -980,6 +953,8 @@ unsigned long sctp_transport_timeout(struct sctp_transport *); void sctp_transport_reset(struct sctp_transport *); void sctp_transport_update_pmtu(struct sock *, struct sctp_transport *, u32); void sctp_transport_immediate_rtx(struct sctp_transport *); +void sctp_transport_dst_release(struct sctp_transport *t); +void sctp_transport_dst_confirm(struct sctp_transport *t); /* This is the structure we use to queue packets as they come into @@ -1285,7 +1260,10 @@ struct sctp_endpoint { struct list_head endpoint_shared_keys; __u16 active_key_id; __u8 auth_enable:1, - prsctp_enable:1; + prsctp_enable:1, + reconf_enable:1; + + __u8 strreset_enable; }; /* Recover the outter endpoint structure. */ @@ -1332,6 +1310,25 @@ struct sctp_inithdr_host { __u32 initial_tsn; }; +struct sctp_stream_out { + __u16 ssn; + __u8 state; +}; + +struct sctp_stream_in { + __u16 ssn; +}; + +struct sctp_stream { + struct sctp_stream_out *out; + struct sctp_stream_in *in; + __u16 outcnt; + __u16 incnt; +}; + +#define SCTP_STREAM_CLOSED 0x00 +#define SCTP_STREAM_OPEN 0x01 + /* SCTP_GET_ASSOC_STATS counters */ struct sctp_priv_assoc_stats { /* Maximum observed rto in the association during subsequent @@ -1519,6 +1516,7 @@ struct sctp_association { hostname_address:1, /* Peer understands DNS addresses? */ asconf_capable:1, /* Does peer support ADDIP? */ prsctp_capable:1, /* Can peer do PR-SCTP? */ + reconf_capable:1, /* Can peer do RE-CONFIG? */ auth_capable:1; /* Is peer doing SCTP-AUTH? */ /* sack_needed : This flag indicates if the next received @@ -1747,8 +1745,8 @@ struct sctp_association { /* Default receive parameters */ __u32 default_rcv_context; - /* This tracks outbound ssn for a given stream. */ - struct sctp_ssnmap *ssnmap; + /* Stream arrays */ + struct sctp_stream *stream; /* All outbound chunks go through this structure. */ struct sctp_outq outqueue; @@ -1878,7 +1876,16 @@ struct sctp_association { __u8 need_ecne:1, /* Need to send an ECNE Chunk? */ temp:1, /* Is it a temporary association? */ - prsctp_enable:1; + prsctp_enable:1, + reconf_enable:1; + + __u8 strreset_enable; + __u8 strreset_outstanding; /* request param count on the fly */ + + __u32 strreset_outseq; /* Update after receiving response */ + __u32 strreset_inseq; /* Update after receiving request */ + + struct sctp_chunk *strreset_chunk; /* save request chunk */ struct sctp_priv_assoc_stats stats; diff --git a/include/net/sctp/ulpevent.h b/include/net/sctp/ulpevent.h index 2c098cd7e7e2..324b5965fc4d 100644 --- a/include/net/sctp/ulpevent.h +++ b/include/net/sctp/ulpevent.h @@ -128,6 +128,10 @@ struct sctp_ulpevent *sctp_ulpevent_make_authkey( struct sctp_ulpevent *sctp_ulpevent_make_sender_dry_event( const struct sctp_association *asoc, gfp_t gfp); +struct sctp_ulpevent *sctp_ulpevent_make_stream_reset_event( + const struct sctp_association *asoc, __u16 flags, + __u16 stream_num, __u16 *stream_list, gfp_t gfp); + void sctp_ulpevent_read_sndrcvinfo(const struct sctp_ulpevent *event, struct msghdr *); void sctp_ulpevent_read_rcvinfo(const struct sctp_ulpevent *event, diff --git a/include/net/smc.h b/include/net/smc.h new file mode 100644 index 000000000000..12d26358ad9f --- /dev/null +++ b/include/net/smc.h @@ -0,0 +1,20 @@ +/* + * Shared Memory Communications over RDMA (SMC-R) and RoCE + * + * Definitions for the SMC module (socket related) + * + * Copyright IBM Corp. 2016 + * + * Author(s): Ursula Braun <ubraun@linux.vnet.ibm.com> + */ +#ifndef _SMC_H +#define _SMC_H + +struct smc_hashinfo { + rwlock_t lock; + struct hlist_head ht; +}; + +int smc_hash_sk(struct sock *sk); +void smc_unhash_sk(struct sock *sk); +#endif /* _SMC_H */ diff --git a/include/net/sock.h b/include/net/sock.h index c4f5e6fca17c..9ccefa5c5487 100644 --- a/include/net/sock.h +++ b/include/net/sock.h @@ -70,6 +70,7 @@ #include <net/checksum.h> #include <net/tcp_states.h> #include <linux/net_tstamp.h> +#include <net/smc.h> /* * This structure really needs to be cleaned up. @@ -239,6 +240,7 @@ struct sock_common { * @sk_wq: sock wait queue and async head * @sk_rx_dst: receive input route used by early demux * @sk_dst_cache: destination cache + * @sk_dst_pending_confirm: need to confirm neighbour * @sk_policy: flow policy * @sk_receive_queue: incoming packets * @sk_wmem_alloc: transmit queue bytes committed @@ -392,6 +394,8 @@ struct sock { struct sk_buff_head sk_write_queue; __s32 sk_peek_off; int sk_write_pending; + __u32 sk_dst_pending_confirm; + /* Note: 32bit hole on 64bit arches */ long sk_sndtimeo; struct timer_list sk_timer; __u32 sk_priority; @@ -543,8 +547,7 @@ static inline struct sock *sk_nulls_head(const struct hlist_nulls_head *head) static inline struct sock *sk_next(const struct sock *sk) { - return sk->sk_node.next ? - hlist_entry(sk->sk_node.next, struct sock, sk_node) : NULL; + return hlist_entry_safe(sk->sk_node.next, struct sock, sk_node); } static inline struct sock *sk_nulls_next(const struct sock *sk) @@ -986,6 +989,7 @@ struct request_sock_ops; struct timewait_sock_ops; struct inet_hashinfo; struct raw_hashinfo; +struct smc_hashinfo; struct module; /* @@ -1024,6 +1028,7 @@ struct proto { int (*getsockopt)(struct sock *sk, int level, int optname, char __user *optval, int __user *option); + void (*keepalive)(struct sock *sk, int valbool); #ifdef CONFIG_COMPAT int (*compat_setsockopt)(struct sock *sk, int level, @@ -1093,6 +1098,7 @@ struct proto { struct inet_hashinfo *hashinfo; struct udp_table *udp_table; struct raw_hashinfo *raw_hash; + struct smc_hashinfo *smc_hash; } h; struct module *owner; @@ -1531,7 +1537,7 @@ void sock_efree(struct sk_buff *skb); #ifdef CONFIG_INET void sock_edemux(struct sk_buff *skb); #else -#define sock_edemux(skb) sock_efree(skb) +#define sock_edemux sock_efree #endif int sock_setsockopt(struct socket *sock, int level, int op, @@ -1761,6 +1767,7 @@ static inline void dst_negative_advice(struct sock *sk) if (ndst != dst) { rcu_assign_pointer(sk->sk_dst_cache, ndst); sk_tx_queue_clear(sk); + sk->sk_dst_pending_confirm = 0; } } } @@ -1771,6 +1778,7 @@ __sk_dst_set(struct sock *sk, struct dst_entry *dst) struct dst_entry *old_dst; sk_tx_queue_clear(sk); + sk->sk_dst_pending_confirm = 0; /* * This can be called while sk is owned by the caller only, * with no state that can be checked in a rcu_dereference_check() cond @@ -1786,6 +1794,7 @@ sk_dst_set(struct sock *sk, struct dst_entry *dst) struct dst_entry *old_dst; sk_tx_queue_clear(sk); + sk->sk_dst_pending_confirm = 0; old_dst = xchg((__force struct dst_entry **)&sk->sk_dst_cache, dst); dst_release(old_dst); } @@ -1806,6 +1815,26 @@ struct dst_entry *__sk_dst_check(struct sock *sk, u32 cookie); struct dst_entry *sk_dst_check(struct sock *sk, u32 cookie); +static inline void sk_dst_confirm(struct sock *sk) +{ + if (!sk->sk_dst_pending_confirm) + sk->sk_dst_pending_confirm = 1; +} + +static inline void sock_confirm_neigh(struct sk_buff *skb, struct neighbour *n) +{ + if (skb_get_dst_pending_confirm(skb)) { + struct sock *sk = skb->sk; + unsigned long now = jiffies; + + /* avoid dirtying neighbour */ + if (n->confirmed != now) + n->confirmed = now; + if (sk && sk->sk_dst_pending_confirm) + sk->sk_dst_pending_confirm = 0; + } +} + bool sk_mc_loop(struct sock *sk); static inline bool sk_can_gso(const struct sock *sk) diff --git a/include/net/switchdev.h b/include/net/switchdev.h index eba80c4fc56f..929d6af321cd 100644 --- a/include/net/switchdev.h +++ b/include/net/switchdev.h @@ -46,8 +46,10 @@ enum switchdev_attr_id { SWITCHDEV_ATTR_ID_PORT_PARENT_ID, SWITCHDEV_ATTR_ID_PORT_STP_STATE, SWITCHDEV_ATTR_ID_PORT_BRIDGE_FLAGS, + SWITCHDEV_ATTR_ID_PORT_MROUTER, SWITCHDEV_ATTR_ID_BRIDGE_AGEING_TIME, SWITCHDEV_ATTR_ID_BRIDGE_VLAN_FILTERING, + SWITCHDEV_ATTR_ID_BRIDGE_MC_DISABLED, }; struct switchdev_attr { @@ -60,8 +62,10 @@ struct switchdev_attr { struct netdev_phys_item_id ppid; /* PORT_PARENT_ID */ u8 stp_state; /* PORT_STP_STATE */ unsigned long brport_flags; /* PORT_BRIDGE_FLAGS */ + bool mrouter; /* PORT_MROUTER */ clock_t ageing_time; /* BRIDGE_AGEING_TIME */ bool vlan_filtering; /* BRIDGE_VLAN_FILTERING */ + bool mc_disabled; /* MC_DISABLED */ } u; }; diff --git a/include/net/tc_act/tc_ife.h b/include/net/tc_act/tc_ife.h index 9fd2bea0a6e0..30ba459ddd34 100644 --- a/include/net/tc_act/tc_ife.h +++ b/include/net/tc_act/tc_ife.h @@ -6,7 +6,6 @@ #include <linux/rtnetlink.h> #include <linux/module.h> -#define IFE_METAHDRLEN 2 struct tcf_ife_info { struct tc_action common; u8 eth_dst[ETH_ALEN]; @@ -45,8 +44,6 @@ struct tcf_meta_ops { int ife_get_meta_u32(struct sk_buff *skb, struct tcf_meta_info *mi); int ife_get_meta_u16(struct sk_buff *skb, struct tcf_meta_info *mi); -int ife_tlv_meta_encode(void *skbdata, u16 attrtype, u16 dlen, - const void *dval); int ife_alloc_meta_u32(struct tcf_meta_info *mi, void *metaval, gfp_t gfp); int ife_alloc_meta_u16(struct tcf_meta_info *mi, void *metaval, gfp_t gfp); int ife_check_meta_u32(u32 metaval, struct tcf_meta_info *mi); diff --git a/include/net/tc_act/tc_pedit.h b/include/net/tc_act/tc_pedit.h index 29e38d6823df..dfbd6ee0bc7c 100644 --- a/include/net/tc_act/tc_pedit.h +++ b/include/net/tc_act/tc_pedit.h @@ -3,11 +3,17 @@ #include <net/act_api.h> +struct tcf_pedit_key_ex { + enum pedit_header_type htype; + enum pedit_cmd cmd; +}; + struct tcf_pedit { struct tc_action common; unsigned char tcfp_nkeys; unsigned char tcfp_flags; struct tc_pedit_key *tcfp_keys; + struct tcf_pedit_key_ex *tcfp_keys_ex; }; #define to_pedit(a) ((struct tcf_pedit *)a) diff --git a/include/net/tc_act/tc_sample.h b/include/net/tc_act/tc_sample.h new file mode 100644 index 000000000000..89e9305be880 --- /dev/null +++ b/include/net/tc_act/tc_sample.h @@ -0,0 +1,50 @@ +#ifndef __NET_TC_SAMPLE_H +#define __NET_TC_SAMPLE_H + +#include <net/act_api.h> +#include <linux/tc_act/tc_sample.h> +#include <net/psample.h> + +struct tcf_sample { + struct tc_action common; + u32 rate; + bool truncate; + u32 trunc_size; + struct psample_group __rcu *psample_group; + u32 psample_group_num; + struct list_head tcfm_list; + struct rcu_head rcu; +}; +#define to_sample(a) ((struct tcf_sample *)a) + +static inline bool is_tcf_sample(const struct tc_action *a) +{ +#ifdef CONFIG_NET_CLS_ACT + return a->ops && a->ops->type == TCA_ACT_SAMPLE; +#else + return false; +#endif +} + +static inline __u32 tcf_sample_rate(const struct tc_action *a) +{ + return to_sample(a)->rate; +} + +static inline bool tcf_sample_truncate(const struct tc_action *a) +{ + return to_sample(a)->truncate; +} + +static inline int tcf_sample_trunc_size(const struct tc_action *a) +{ + return to_sample(a)->trunc_size; +} + +static inline struct psample_group * +tcf_sample_psample_group(const struct tc_action *a) +{ + return rcu_dereference(to_sample(a)->psample_group); +} + +#endif /* __NET_TC_SAMPLE_H */ diff --git a/include/net/tcp.h b/include/net/tcp.h index 6061963cca98..6ec4ea652f3f 100644 --- a/include/net/tcp.h +++ b/include/net/tcp.h @@ -143,6 +143,7 @@ void tcp_time_wait(struct sock *sk, int state, int timeo); #define TCP_RESOURCE_PROBE_INTERVAL ((unsigned)(HZ/2U)) /* Maximal interval between probes * for local resources. */ +#define TCP_REO_TIMEOUT_MIN (2000) /* Min RACK reordering timeout in usec */ #define TCP_KEEPALIVE_TIME (120*60*HZ) /* two hours */ #define TCP_KEEPALIVE_PROBES 9 /* Max of 9 keepalive probes */ @@ -231,7 +232,6 @@ void tcp_time_wait(struct sock *sk, int state, int timeo); */ #define TFO_SERVER_WO_SOCKOPT1 0x400 -extern struct inet_timewait_death_row tcp_death_row; /* sysctl variables for tcp */ extern int sysctl_tcp_timestamps; @@ -262,6 +262,9 @@ extern int sysctl_tcp_slow_start_after_idle; extern int sysctl_tcp_thin_linear_timeouts; extern int sysctl_tcp_thin_dupack; extern int sysctl_tcp_early_retrans; +extern int sysctl_tcp_recovery; +#define TCP_RACK_LOSS_DETECTION 0x1 /* Use RACK to detect losses */ + extern int sysctl_tcp_limit_output_bytes; extern int sysctl_tcp_challenge_ack_limit; extern int sysctl_tcp_min_tso_segs; @@ -398,6 +401,7 @@ struct sock *tcp_check_req(struct sock *sk, struct sk_buff *skb, int tcp_child_process(struct sock *parent, struct sock *child, struct sk_buff *skb); void tcp_enter_loss(struct sock *sk); +void tcp_cwnd_reduction(struct sock *sk, int newly_acked_sacked, int flag); void tcp_clear_retrans(struct tcp_sock *tp); void tcp_update_metrics(struct sock *sk); void tcp_init_metrics(struct sock *sk); @@ -542,6 +546,7 @@ int tcp_retransmit_skb(struct sock *sk, struct sk_buff *skb, int segs); void tcp_retransmit_timer(struct sock *sk); void tcp_xmit_retransmit_queue(struct sock *); void tcp_simple_retransmit(struct sock *); +void tcp_enter_recovery(struct sock *sk, bool ece_ack); int tcp_trim_head(struct sock *, struct sk_buff *, u32); int tcp_fragment(struct sock *, struct sk_buff *, u32, unsigned int, gfp_t); @@ -560,7 +565,6 @@ void tcp_skb_collapse_tstamp(struct sk_buff *skb, const struct sk_buff *next_skb); /* tcp_input.c */ -void tcp_resume_early_retransmit(struct sock *sk); void tcp_rearm_rto(struct sock *sk); void tcp_synack_rtt_meas(struct sock *sk, struct request_sock *req); void tcp_reset(struct sock *sk); @@ -1032,23 +1036,6 @@ static inline void tcp_enable_fack(struct tcp_sock *tp) tp->rx_opt.sack_ok |= TCP_FACK_ENABLED; } -/* TCP early-retransmit (ER) is similar to but more conservative than - * the thin-dupack feature. Enable ER only if thin-dupack is disabled. - */ -static inline void tcp_enable_early_retrans(struct tcp_sock *tp) -{ - struct net *net = sock_net((struct sock *)tp); - - tp->do_early_retrans = sysctl_tcp_early_retrans && - sysctl_tcp_early_retrans < 4 && !sysctl_tcp_thin_dupack && - net->ipv4.sysctl_tcp_reordering == 3; -} - -static inline void tcp_disable_early_retrans(struct tcp_sock *tp) -{ - tp->do_early_retrans = 0; -} - static inline unsigned int tcp_left_out(const struct tcp_sock *tp) { return tp->sacked_out + tp->lost_out; @@ -1506,6 +1493,9 @@ struct sock *tcp_try_fastopen(struct sock *sk, struct sk_buff *skb, struct tcp_fastopen_cookie *foc, struct dst_entry *dst); void tcp_fastopen_init_key_once(bool publish); +bool tcp_fastopen_cookie_check(struct sock *sk, u16 *mss, + struct tcp_fastopen_cookie *cookie); +bool tcp_fastopen_defer_connect(struct sock *sk, int *err); #define TCP_FASTOPEN_KEY_LENGTH 16 /* Fastopen key context */ @@ -1857,17 +1847,11 @@ void tcp_v4_init(void); void tcp_init(void); /* tcp_recovery.c */ - -/* Flags to enable various loss recovery features. See below */ -extern int sysctl_tcp_recovery; - -/* Use TCP RACK to detect (some) tail and retransmit losses */ -#define TCP_RACK_LOST_RETRANS 0x1 - -extern int tcp_rack_mark_lost(struct sock *sk); - -extern void tcp_rack_advance(struct tcp_sock *tp, - const struct skb_mstamp *xmit_time, u8 sacked); +extern void tcp_rack_mark_lost(struct sock *sk, const struct skb_mstamp *now); +extern void tcp_rack_advance(struct tcp_sock *tp, u8 sacked, u32 end_seq, + const struct skb_mstamp *xmit_time, + const struct skb_mstamp *ack_time); +extern void tcp_rack_reo_timeout(struct sock *sk); /* * Save and compile IPv4 options, return a pointer to it diff --git a/include/net/udp.h b/include/net/udp.h index 1661791e8ca1..c9d8b8e848e0 100644 --- a/include/net/udp.h +++ b/include/net/udp.h @@ -204,7 +204,6 @@ static inline void udp_lib_close(struct sock *sk, long timeout) } int udp_lib_get_port(struct sock *sk, unsigned short snum, - int (*)(const struct sock *, const struct sock *, bool), unsigned int hash2_nulladdr); u32 udp_flow_hashrnd(void); diff --git a/include/net/xfrm.h b/include/net/xfrm.h index 31947b9c21d6..14d82bf16692 100644 --- a/include/net/xfrm.h +++ b/include/net/xfrm.h @@ -213,6 +213,8 @@ struct xfrm_state { /* Last used time */ unsigned long lastused; + struct page_frag xfrag; + /* Reference to data common to all the instances of this * transformer. */ const struct xfrm_type *type; @@ -278,9 +280,7 @@ struct net_device; struct xfrm_type; struct xfrm_dst; struct xfrm_policy_afinfo { - unsigned short family; struct dst_ops *dst_ops; - void (*garbage_collect)(struct net *net); struct dst_entry *(*dst_lookup)(struct net *net, int tos, int oif, const xfrm_address_t *saddr, @@ -301,8 +301,8 @@ struct xfrm_policy_afinfo { struct dst_entry *(*blackhole_route)(struct net *net, struct dst_entry *orig); }; -int xfrm_policy_register_afinfo(struct xfrm_policy_afinfo *afinfo); -int xfrm_policy_unregister_afinfo(struct xfrm_policy_afinfo *afinfo); +int xfrm_policy_register_afinfo(const struct xfrm_policy_afinfo *afinfo, int family); +void xfrm_policy_unregister_afinfo(const struct xfrm_policy_afinfo *afinfo); void km_policy_notify(struct xfrm_policy *xp, int dir, const struct km_event *c); void km_state_notify(struct xfrm_state *x, const struct km_event *c); @@ -343,17 +343,16 @@ struct xfrm_state_afinfo { int xfrm_state_register_afinfo(struct xfrm_state_afinfo *afinfo); int xfrm_state_unregister_afinfo(struct xfrm_state_afinfo *afinfo); struct xfrm_state_afinfo *xfrm_state_get_afinfo(unsigned int family); -void xfrm_state_put_afinfo(struct xfrm_state_afinfo *afinfo); +struct xfrm_state_afinfo *xfrm_state_afinfo_get_rcu(unsigned int family); struct xfrm_input_afinfo { unsigned int family; - struct module *owner; int (*callback)(struct sk_buff *skb, u8 protocol, int err); }; -int xfrm_input_register_afinfo(struct xfrm_input_afinfo *afinfo); -int xfrm_input_unregister_afinfo(struct xfrm_input_afinfo *afinfo); +int xfrm_input_register_afinfo(const struct xfrm_input_afinfo *afinfo); +int xfrm_input_unregister_afinfo(const struct xfrm_input_afinfo *afinfo); void xfrm_state_delete_tunnel(struct xfrm_state *x); @@ -499,6 +498,7 @@ struct xfrm_tmpl { }; #define XFRM_MAX_DEPTH 6 +#define XFRM_MAX_OFFLOAD_DEPTH 1 struct xfrm_policy_walk_entry { struct list_head all; @@ -682,6 +682,7 @@ struct xfrm_spi_skb_cb { unsigned int daddroff; unsigned int family; + __be32 seq; }; #define XFRM_SPI_SKB_CB(__skb) ((struct xfrm_spi_skb_cb *)&((__skb)->cb[0])) @@ -974,10 +975,41 @@ static inline void xfrm_dst_destroy(struct xfrm_dst *xdst) void xfrm_dst_ifdown(struct dst_entry *dst, struct net_device *dev); +struct xfrm_offload { + /* Output sequence number for replay protection on offloading. */ + struct { + __u32 low; + __u32 hi; + } seq; + + __u32 flags; +#define SA_DELETE_REQ 1 +#define CRYPTO_DONE 2 +#define CRYPTO_NEXT_DONE 4 +#define CRYPTO_FALLBACK 8 +#define XFRM_GSO_SEGMENT 16 +#define XFRM_GRO 32 + + __u32 status; +#define CRYPTO_SUCCESS 1 +#define CRYPTO_GENERIC_ERROR 2 +#define CRYPTO_TRANSPORT_AH_AUTH_FAILED 4 +#define CRYPTO_TRANSPORT_ESP_AUTH_FAILED 8 +#define CRYPTO_TUNNEL_AH_AUTH_FAILED 16 +#define CRYPTO_TUNNEL_ESP_AUTH_FAILED 32 +#define CRYPTO_INVALID_PACKET_SYNTAX 64 +#define CRYPTO_INVALID_PROTOCOL 128 + + __u8 proto; +}; + struct sec_path { atomic_t refcnt; int len; + int olen; + struct xfrm_state *xvec[XFRM_MAX_DEPTH]; + struct xfrm_offload ovec[XFRM_MAX_OFFLOAD_DEPTH]; }; static inline int secpath_exists(struct sk_buff *skb) @@ -1007,6 +1039,7 @@ secpath_put(struct sec_path *sp) } struct sec_path *secpath_dup(struct sec_path *src); +int secpath_set(struct sk_buff *skb); static inline void secpath_reset(struct sk_buff *skb) @@ -1168,6 +1201,7 @@ static inline void xfrm_sk_free_policy(struct sock *sk) } void xfrm_garbage_collect(struct net *net); +void xfrm_garbage_collect_deferred(struct net *net); #else @@ -1519,6 +1553,7 @@ int xfrm4_rcv_encap(struct sk_buff *skb, int nexthdr, __be32 spi, int encap_type); int xfrm4_transport_finish(struct sk_buff *skb, int async); int xfrm4_rcv(struct sk_buff *skb); +int xfrm_parse_spi(struct sk_buff *skb, u8 nexthdr, __be32 *spi, __be32 *seq); static inline int xfrm4_rcv_spi(struct sk_buff *skb, int nexthdr, __be32 spi) { @@ -1774,6 +1809,15 @@ static inline struct xfrm_state *xfrm_input_state(struct sk_buff *skb) { return skb->sp->xvec[skb->sp->len - 1]; } +static inline struct xfrm_offload *xfrm_offload(struct sk_buff *skb) +{ + struct sec_path *sp = skb->sp; + + if (!sp || !sp->olen || sp->len != sp->olen) + return NULL; + + return &sp->ovec[sp->olen - 1]; +} #endif static inline int xfrm_mark_get(struct nlattr **attrs, struct xfrm_mark *m) |