diff options
Diffstat (limited to 'include/net')
100 files changed, 663 insertions, 616 deletions
diff --git a/include/net/9p/9p.h b/include/net/9p/9p.h index beede1e1a919..03614de86942 100644 --- a/include/net/9p/9p.h +++ b/include/net/9p/9p.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * include/net/9p/9p.h * @@ -6,22 +7,6 @@ * Copyright (C) 2005 by Latchesar Ionkov <lucho@ionkov.net> * Copyright (C) 2004 by Eric Van Hensbergen <ericvh@gmail.com> * Copyright (C) 2002 by Ron Minnich <rminnich@lanl.gov> - * - * 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 published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to: - * Free Software Foundation - * 51 Franklin Street, Fifth Floor - * Boston, MA 02111-1301 USA - * */ #ifndef NET_9P_H diff --git a/include/net/9p/client.h b/include/net/9p/client.h index 947a570307a6..acc60d8a3b3b 100644 --- a/include/net/9p/client.h +++ b/include/net/9p/client.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * include/net/9p/client.h * @@ -5,22 +6,6 @@ * * Copyright (C) 2008 by Eric Van Hensbergen <ericvh@gmail.com> * Copyright (C) 2007 by Latchesar Ionkov <lucho@ionkov.net> - * - * 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 published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to: - * Free Software Foundation - * 51 Franklin Street, Fifth Floor - * Boston, MA 02111-1301 USA - * */ #ifndef NET_9P_CLIENT_H diff --git a/include/net/9p/transport.h b/include/net/9p/transport.h index 1625fb842ac4..98a2be2de04a 100644 --- a/include/net/9p/transport.h +++ b/include/net/9p/transport.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * include/net/9p/transport.h * @@ -5,22 +6,6 @@ * * Copyright (C) 2005 by Latchesar Ionkov <lucho@ionkov.net> * Copyright (C) 2004-2008 by Eric Van Hensbergen <ericvh@gmail.com> - * - * 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 published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to: - * Free Software Foundation - * 51 Franklin Street, Fifth Floor - * Boston, MA 02111-1301 USA - * */ #ifndef NET_9P_TRANSPORT_H diff --git a/include/net/addrconf.h b/include/net/addrconf.h index 2f67ae854ff0..becdad576859 100644 --- a/include/net/addrconf.h +++ b/include/net/addrconf.h @@ -310,6 +310,22 @@ static inline struct inet6_dev *__in6_dev_get(const struct net_device *dev) } /** + * __in6_dev_stats_get - get inet6_dev pointer for stats + * @dev: network device + * @skb: skb for original incoming interface if neeeded + * + * Caller must hold rcu_read_lock or RTNL, because this function + * does not take a reference on the inet6_dev. + */ +static inline struct inet6_dev *__in6_dev_stats_get(const struct net_device *dev, + const struct sk_buff *skb) +{ + if (netif_is_l3_master(dev)) + dev = dev_get_by_index_rcu(dev_net(dev), inet6_iif(skb)); + return __in6_dev_get(dev); +} + +/** * __in6_dev_get_safely - get inet6_dev pointer from netdevice * @dev: network device * diff --git a/include/net/af_ieee802154.h b/include/net/af_ieee802154.h index 8003a9f6eb43..c16be82b9796 100644 --- a/include/net/af_ieee802154.h +++ b/include/net/af_ieee802154.h @@ -1,17 +1,9 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * IEEE 802.15.4 interface for userspace * * Copyright 2007, 2008 Siemens AG * - * 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 published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * * Written by: * Sergey Lapin <slapin@ossfans.org> * Dmitry Eremin-Solenikov <dbaryshkov@gmail.com> diff --git a/include/net/af_rxrpc.h b/include/net/af_rxrpc.h index 93358bfc0e1b..1abae3c340a5 100644 --- a/include/net/af_rxrpc.h +++ b/include/net/af_rxrpc.h @@ -1,12 +1,8 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* RxRPC kernel service interface definitions * * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved. * Written by David Howells (dhowells@redhat.com) - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. */ #ifndef _NET_RXRPC_H diff --git a/include/net/af_vsock.h b/include/net/af_vsock.h index 43913ae79f64..80ea0f93d3f7 100644 --- a/include/net/af_vsock.h +++ b/include/net/af_vsock.h @@ -1,16 +1,8 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * VMware vSockets Driver * * Copyright (C) 2007-2013 VMware, Inc. All rights reserved. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the Free - * Software Foundation version 2 and no later version. - * - * This program is distributed in the hope that it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. */ #ifndef __AF_VSOCK_H__ diff --git a/include/net/bond_options.h b/include/net/bond_options.h index d79d28f5318c..2a05cc349018 100644 --- a/include/net/bond_options.h +++ b/include/net/bond_options.h @@ -1,11 +1,7 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * drivers/net/bond/bond_options.h - bonding options * Copyright (c) 2013 Nikolay Aleksandrov <nikolay@redhat.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. */ #ifndef _NET_BOND_OPTIONS_H diff --git a/include/net/bonding.h b/include/net/bonding.h index b46d68acf701..676e7fae05a3 100644 --- a/include/net/bonding.h +++ b/include/net/bonding.h @@ -38,6 +38,15 @@ #define __long_aligned __attribute__((aligned((sizeof(long))))) #endif +#define slave_info(bond_dev, slave_dev, fmt, ...) \ + netdev_info(bond_dev, "(slave %s): " fmt, (slave_dev)->name, ##__VA_ARGS__) +#define slave_warn(bond_dev, slave_dev, fmt, ...) \ + netdev_warn(bond_dev, "(slave %s): " fmt, (slave_dev)->name, ##__VA_ARGS__) +#define slave_dbg(bond_dev, slave_dev, fmt, ...) \ + netdev_dbg(bond_dev, "(slave %s): " fmt, (slave_dev)->name, ##__VA_ARGS__) +#define slave_err(bond_dev, slave_dev, fmt, ...) \ + netdev_err(bond_dev, "(slave %s): " fmt, (slave_dev)->name, ##__VA_ARGS__) + #define BOND_MODE(bond) ((bond)->params.mode) /* slave list primitives */ diff --git a/include/net/busy_poll.h b/include/net/busy_poll.h index ba61cdd09eaa..127a5c4e3699 100644 --- a/include/net/busy_poll.h +++ b/include/net/busy_poll.h @@ -1,20 +1,8 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * net busy poll support * Copyright(c) 2013 Intel Corporation. * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License along with - * this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. - * * Author: Eliezer Tamir * * Contact Information: diff --git a/include/net/caif/caif_dev.h b/include/net/caif/caif_dev.h index 028b754ae9b1..48ecca8530ff 100644 --- a/include/net/caif/caif_dev.h +++ b/include/net/caif/caif_dev.h @@ -1,7 +1,7 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright (C) ST-Ericsson AB 2010 * Author: Sjur Brendeland - * License terms: GNU General Public License (GPL) version 2 */ #ifndef CAIF_DEV_H_ diff --git a/include/net/caif/caif_device.h b/include/net/caif/caif_device.h index d6e3c4267c81..91d1fd5b44a4 100644 --- a/include/net/caif/caif_device.h +++ b/include/net/caif/caif_device.h @@ -1,7 +1,7 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright (C) ST-Ericsson AB 2010 * Author: Sjur Brendeland - * License terms: GNU General Public License (GPL) version 2 */ #ifndef CAIF_DEVICE_H_ diff --git a/include/net/caif/caif_hsi.h b/include/net/caif/caif_hsi.h index 097f69cfaa75..552cf68d28d2 100644 --- a/include/net/caif/caif_hsi.h +++ b/include/net/caif/caif_hsi.h @@ -1,8 +1,8 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright (C) ST-Ericsson AB 2010 * Author: Daniel Martensson / daniel.martensson@stericsson.com * Dmitry.Tarnyagin / dmitry.tarnyagin@stericsson.com - * License terms: GNU General Public License (GPL) version 2 */ #ifndef CAIF_HSI_H_ diff --git a/include/net/caif/caif_layer.h b/include/net/caif/caif_layer.h index 94e5ed64dc6d..064094101cb5 100644 --- a/include/net/caif/caif_layer.h +++ b/include/net/caif/caif_layer.h @@ -1,7 +1,7 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright (C) ST-Ericsson AB 2010 * Author: Sjur Brendeland - * License terms: GNU General Public License (GPL) version 2 */ #ifndef CAIF_LAYER_H_ diff --git a/include/net/caif/caif_spi.h b/include/net/caif/caif_spi.h index aa6a485b0545..a0bf4cbce71b 100644 --- a/include/net/caif/caif_spi.h +++ b/include/net/caif/caif_spi.h @@ -1,7 +1,7 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright (C) ST-Ericsson AB 2010 * Author: Daniel Martensson / Daniel.Martensson@stericsson.com - * License terms: GNU General Public License (GPL) version 2 */ #ifndef CAIF_SPI_H_ diff --git a/include/net/caif/cfcnfg.h b/include/net/caif/cfcnfg.h index 70bfd017581f..2aa5e91d8457 100644 --- a/include/net/caif/cfcnfg.h +++ b/include/net/caif/cfcnfg.h @@ -1,7 +1,7 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright (C) ST-Ericsson AB 2010 * Author: Sjur Brendeland - * License terms: GNU General Public License (GPL) version 2 */ #ifndef CFCNFG_H_ diff --git a/include/net/caif/cfctrl.h b/include/net/caif/cfctrl.h index f2ae33d23baf..86d17315c8a1 100644 --- a/include/net/caif/cfctrl.h +++ b/include/net/caif/cfctrl.h @@ -1,7 +1,7 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright (C) ST-Ericsson AB 2010 * Author: Sjur Brendeland - * License terms: GNU General Public License (GPL) version 2 */ #ifndef CFCTRL_H_ diff --git a/include/net/caif/cffrml.h b/include/net/caif/cffrml.h index a06e33fbaa8b..1ab8a80ede4d 100644 --- a/include/net/caif/cffrml.h +++ b/include/net/caif/cffrml.h @@ -1,7 +1,7 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright (C) ST-Ericsson AB 2010 * Author: Sjur Brendeland - * License terms: GNU General Public License (GPL) version 2 */ #ifndef CFFRML_H_ diff --git a/include/net/caif/cfmuxl.h b/include/net/caif/cfmuxl.h index 752999572f21..92ccb2648309 100644 --- a/include/net/caif/cfmuxl.h +++ b/include/net/caif/cfmuxl.h @@ -1,7 +1,7 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright (C) ST-Ericsson AB 2010 * Author: Sjur Brendeland - * License terms: GNU General Public License (GPL) version 2 */ #ifndef CFMUXL_H_ diff --git a/include/net/caif/cfpkt.h b/include/net/caif/cfpkt.h index 801489bb14c3..44d914a50369 100644 --- a/include/net/caif/cfpkt.h +++ b/include/net/caif/cfpkt.h @@ -1,7 +1,7 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright (C) ST-Ericsson AB 2010 * Author: Sjur Brendeland - * License terms: GNU General Public License (GPL) version 2 */ #ifndef CFPKT_H_ diff --git a/include/net/caif/cfserl.h b/include/net/caif/cfserl.h index b5b020f3c72e..14a55e03bb3c 100644 --- a/include/net/caif/cfserl.h +++ b/include/net/caif/cfserl.h @@ -1,7 +1,7 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright (C) ST-Ericsson AB 2010 * Author: Sjur Brendeland - * License terms: GNU General Public License (GPL) version 2 */ #ifndef CFSERL_H_ diff --git a/include/net/caif/cfsrvl.h b/include/net/caif/cfsrvl.h index cd47705c2cc3..bd5440977f7f 100644 --- a/include/net/caif/cfsrvl.h +++ b/include/net/caif/cfsrvl.h @@ -1,7 +1,7 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright (C) ST-Ericsson AB 2010 * Author: Sjur Brendeland - * License terms: GNU General Public License (GPL) version 2 */ #ifndef CFSRVL_H_ diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h index 87dae868707e..8677c0c2267f 100644 --- a/include/net/cfg80211.h +++ b/include/net/cfg80211.h @@ -382,16 +382,18 @@ ieee80211_get_sband_iftype_data(const struct ieee80211_supported_band *sband, } /** - * ieee80211_get_he_sta_cap - return HE capabilities for an sband's STA - * @sband: the sband to search for the STA on + * ieee80211_get_he_iftype_cap - return HE capabilities for an sband's iftype + * @sband: the sband to search for the iftype on + * @iftype: enum nl80211_iftype * * Return: pointer to the struct ieee80211_sta_he_cap, or NULL is none found */ static inline const struct ieee80211_sta_he_cap * -ieee80211_get_he_sta_cap(const struct ieee80211_supported_band *sband) +ieee80211_get_he_iftype_cap(const struct ieee80211_supported_band *sband, + u8 iftype) { const struct ieee80211_sband_iftype_data *data = - ieee80211_get_sband_iftype_data(sband, NL80211_IFTYPE_STATION); + ieee80211_get_sband_iftype_data(sband, iftype); if (data && data->he_cap.has_he) return &data->he_cap; @@ -400,6 +402,18 @@ ieee80211_get_he_sta_cap(const struct ieee80211_supported_band *sband) } /** + * ieee80211_get_he_sta_cap - return HE capabilities for an sband's STA + * @sband: the sband to search for the STA on + * + * Return: pointer to the struct ieee80211_sta_he_cap, or NULL is none found + */ +static inline const struct ieee80211_sta_he_cap * +ieee80211_get_he_sta_cap(const struct ieee80211_supported_band *sband) +{ + return ieee80211_get_he_iftype_cap(sband, NL80211_IFTYPE_STATION); +} + +/** * wiphy_read_of_freq_limits - read frequency limits from device tree * * @wiphy: the wireless device to get extra limits for @@ -742,6 +756,9 @@ struct survey_info { * CFG80211_MAX_WEP_KEYS WEP keys * @wep_tx_key: key index (0..3) of the default TX static WEP key * @psk: PSK (for devices supporting 4-way-handshake offload) + * @sae_pwd: password for SAE authentication (for devices supporting SAE + * offload) + * @sae_pwd_len: length of SAE password (for devices supporting SAE offload) */ struct cfg80211_crypto_settings { u32 wpa_versions; @@ -757,6 +774,8 @@ struct cfg80211_crypto_settings { struct key_params *wep_keys; int wep_tx_key; const u8 *psk; + const u8 *sae_pwd; + u8 sae_pwd_len; }; /** @@ -878,6 +897,7 @@ enum cfg80211_ap_settings_flags { * @he_cap: HE capabilities (or %NULL if HE isn't enabled) * @ht_required: stations must support HT * @vht_required: stations must support VHT + * @twt_responder: Enable Target Wait Time * @flags: flags, as defined in enum cfg80211_ap_settings_flags */ struct cfg80211_ap_settings { @@ -904,6 +924,7 @@ struct cfg80211_ap_settings { const struct ieee80211_vht_cap *vht_cap; const struct ieee80211_he_cap_elem *he_cap; bool ht_required, vht_required; + bool twt_responder; u32 flags; }; @@ -3839,7 +3860,8 @@ struct cfg80211_ops { * on wiphy_new(), but can be changed by the driver if it has a good * reason to override the default * @WIPHY_FLAG_4ADDR_AP: supports 4addr mode even on AP (with a single station - * on a VLAN interface) + * on a VLAN interface). This flag also serves an extra purpose of + * supporting 4ADDR AP mode on devices which do not support AP/VLAN iftype. * @WIPHY_FLAG_4ADDR_STATION: supports 4addr mode even as a station * @WIPHY_FLAG_CONTROL_PORT_PROTOCOL: This device supports setting the * control port protocol ethertype. The device also honours the @@ -4151,6 +4173,8 @@ struct sta_opmode_info { u8 rx_nss; }; +#define VENDOR_CMD_RAW_DATA ((const struct nla_policy *)ERR_PTR(-ENODATA)) + /** * struct wiphy_vendor_command - vendor command definition * @info: vendor command identifying information, as used in nl80211 @@ -4161,6 +4185,10 @@ struct sta_opmode_info { * @dumpit: dump callback, for transferring bigger/multiple items. The * @storage points to cb->args[5], ie. is preserved over the multiple * dumpit calls. + * @policy: policy pointer for attributes within %NL80211_ATTR_VENDOR_DATA. + * Set this to %VENDOR_CMD_RAW_DATA if no policy can be given and the + * attribute is just raw data (e.g. a firmware command). + * @maxattr: highest attribute number in policy * It's recommended to not have the same sub command with both @doit and * @dumpit, so that userspace can assume certain ones are get and others * are used with dump requests. @@ -4173,6 +4201,8 @@ struct wiphy_vendor_command { int (*dumpit)(struct wiphy *wiphy, struct wireless_dev *wdev, struct sk_buff *skb, const void *data, int data_len, unsigned long *storage); + const struct nla_policy *policy; + unsigned int maxattr; }; /** @@ -5721,6 +5751,26 @@ void cfg80211_put_bss(struct wiphy *wiphy, struct cfg80211_bss *bss); */ void cfg80211_unlink_bss(struct wiphy *wiphy, struct cfg80211_bss *bss); +/** + * cfg80211_bss_iter - iterate all BSS entries + * + * This function iterates over the BSS entries associated with the given wiphy + * and calls the callback for the iterated BSS. The iterator function is not + * allowed to call functions that might modify the internal state of the BSS DB. + * + * @wiphy: the wiphy + * @chandef: if given, the iterator function will be called only if the channel + * of the currently iterated BSS is a subset of the given channel. + * @iter: the iterator function to call + * @iter_data: an argument to the iterator function + */ +void cfg80211_bss_iter(struct wiphy *wiphy, + struct cfg80211_chan_def *chandef, + void (*iter)(struct wiphy *wiphy, + struct cfg80211_bss *bss, + void *data), + void *iter_data); + static inline enum nl80211_bss_scan_width cfg80211_chandef_to_scan_width(const struct cfg80211_chan_def *chandef) { @@ -6231,8 +6281,11 @@ struct cfg80211_fils_resp_params { * case. * @bssid: The BSSID of the AP (may be %NULL) * @bss: Entry of bss to which STA got connected to, can be obtained through - * cfg80211_get_bss() (may be %NULL). Only one parameter among @bssid and - * @bss needs to be specified. + * cfg80211_get_bss() (may be %NULL). But it is recommended to store the + * bss from the connect_request and hold a reference to it and return + * through this param to avoid a warning if the bss is expired during the + * connection, esp. for those drivers implementing connect op. + * Only one parameter among @bssid and @bss needs to be specified. * @req_ie: Association request IEs (may be %NULL) * @req_ie_len: Association request IEs length * @resp_ie: Association response IEs (may be %NULL) @@ -6280,8 +6333,12 @@ void cfg80211_connect_done(struct net_device *dev, * * @dev: network device * @bssid: the BSSID of the AP - * @bss: entry of bss to which STA got connected to, can be obtained - * through cfg80211_get_bss (may be %NULL) + * @bss: Entry of bss to which STA got connected to, can be obtained through + * cfg80211_get_bss() (may be %NULL). But it is recommended to store the + * bss from the connect_request and hold a reference to it and return + * through this param to avoid a warning if the bss is expired during the + * connection, esp. for those drivers implementing connect op. + * Only one parameter among @bssid and @bss needs to be specified. * @req_ie: association request IEs (maybe be %NULL) * @req_ie_len: association request IEs length * @resp_ie: association response IEs (may be %NULL) @@ -6492,6 +6549,16 @@ void cfg80211_remain_on_channel_expired(struct wireless_dev *wdev, u64 cookie, gfp_t gfp); /** + * cfg80211_tx_mgmt_expired - tx_mgmt duration expired + * @wdev: wireless device + * @cookie: the requested cookie + * @chan: The current channel (from tx_mgmt request) + * @gfp: allocation flags + */ +void cfg80211_tx_mgmt_expired(struct wireless_dev *wdev, u64 cookie, + struct ieee80211_channel *chan, gfp_t gfp); + +/** * cfg80211_sinfo_alloc_tid_stats - allocate per-tid statistics. * * @sinfo: the station information diff --git a/include/net/cfg802154.h b/include/net/cfg802154.h index 795ca4008f72..6f86073a5d7d 100644 --- a/include/net/cfg802154.h +++ b/include/net/cfg802154.h @@ -1,15 +1,7 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright (C) 2007, 2008, 2009 Siemens AG * - * 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 published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * * Written by: * Dmitry Eremin-Solenikov <dbaryshkov@gmail.com> */ diff --git a/include/net/checksum.h b/include/net/checksum.h index 0f319e13be2c..97bf4885a962 100644 --- a/include/net/checksum.h +++ b/include/net/checksum.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * INET An implementation of the TCP/IP protocol suite for the LINUX * operating system. INET is implemented using the BSD Socket @@ -9,11 +10,6 @@ * Arnt Gulbrandsen, <agulbra@nvg.unit.no> * Borrows very liberally from tcp.c and ip.c, see those * files for more names. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. */ #ifndef _CHECKSUM_H diff --git a/include/net/cls_cgroup.h b/include/net/cls_cgroup.h index 74c9693d4941..4295de3e6a4b 100644 --- a/include/net/cls_cgroup.h +++ b/include/net/cls_cgroup.h @@ -1,13 +1,8 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * cls_cgroup.h Control Group Classifier * * Authors: Thomas Graf <tgraf@suug.ch> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the Free - * Software Foundation; either version 2 of the License, or (at your option) - * any later version. - * */ #ifndef _NET_CLS_CGROUP_H diff --git a/include/net/dcbevent.h b/include/net/dcbevent.h index aec07c8a660a..43e34131a53f 100644 --- a/include/net/dcbevent.h +++ b/include/net/dcbevent.h @@ -1,18 +1,7 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright (c) 2010, Intel Corporation. * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License along with - * this program; if not, see <http://www.gnu.org/licenses/>. - * * Author: John Fastabend <john.r.fastabend@intel.com> */ diff --git a/include/net/dcbnl.h b/include/net/dcbnl.h index e22a8a3c089b..e4ad58c4062c 100644 --- a/include/net/dcbnl.h +++ b/include/net/dcbnl.h @@ -1,18 +1,7 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright (c) 2008, Intel Corporation. * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License along with - * this program; if not, see <http://www.gnu.org/licenses/>. - * * Author: Lucy Liu <lucy.liu@intel.com> */ diff --git a/include/net/devlink.h b/include/net/devlink.h index 151eb930d329..6c51e864336a 100644 --- a/include/net/devlink.h +++ b/include/net/devlink.h @@ -1,12 +1,8 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * include/net/devlink.h - Network physical device Netlink interface * Copyright (c) 2016 Mellanox Technologies. All rights reserved. * Copyright (c) 2016 Jiri Pirko <jiri@mellanox.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. */ #ifndef _NET_DEVLINK_H_ #define _NET_DEVLINK_H_ @@ -741,6 +737,14 @@ void devlink_health_reporter_state_update(struct devlink_health_reporter *reporter, enum devlink_health_reporter_state state); +void devlink_flash_update_begin_notify(struct devlink *devlink); +void devlink_flash_update_end_notify(struct devlink *devlink); +void devlink_flash_update_status_notify(struct devlink *devlink, + const char *status_msg, + const char *component, + unsigned long done, + unsigned long total); + #if IS_ENABLED(CONFIG_NET_DEVLINK) void devlink_compat_running_version(struct net_device *dev, diff --git a/include/net/dsa.h b/include/net/dsa.h index a7f36219904f..1e8650fa8acc 100644 --- a/include/net/dsa.h +++ b/include/net/dsa.h @@ -1,11 +1,7 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * include/net/dsa.h - Driver for Distributed Switch Architecture switch chips * Copyright (c) 2008-2009 Marvell Semiconductor - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. */ #ifndef __LINUX_NET_DSA_H @@ -185,7 +181,7 @@ struct dsa_port { struct dsa_switch *ds; unsigned int index; const char *name; - const struct dsa_port *cpu_dp; + struct dsa_port *cpu_dp; const char *mac; struct device_node *dn; unsigned int ageing_time; @@ -361,6 +357,7 @@ struct dsa_switch_ops { int port); int (*setup)(struct dsa_switch *ds); + void (*teardown)(struct dsa_switch *ds); u32 (*get_phy_flags)(struct dsa_switch *ds, int port); /* diff --git a/include/net/flow_dissector.h b/include/net/flow_dissector.h index 7c5a8d9a8d2a..02478e48fae4 100644 --- a/include/net/flow_dissector.h +++ b/include/net/flow_dissector.h @@ -46,6 +46,7 @@ struct flow_dissector_key_tags { struct flow_dissector_key_vlan { u16 vlan_id:12, + vlan_dei:1, vlan_priority:3; __be16 vlan_tpid; }; @@ -199,6 +200,14 @@ struct flow_dissector_key_ip { __u8 ttl; }; +/** + * struct flow_dissector_key_meta: + * @ingress_ifindex: ingress ifindex + */ +struct flow_dissector_key_meta { + int ingress_ifindex; +}; + enum flow_dissector_key_id { FLOW_DISSECTOR_KEY_CONTROL, /* struct flow_dissector_key_control */ FLOW_DISSECTOR_KEY_BASIC, /* struct flow_dissector_key_basic */ @@ -224,14 +233,14 @@ enum flow_dissector_key_id { FLOW_DISSECTOR_KEY_CVLAN, /* struct flow_dissector_key_vlan */ FLOW_DISSECTOR_KEY_ENC_IP, /* struct flow_dissector_key_ip */ FLOW_DISSECTOR_KEY_ENC_OPTS, /* struct flow_dissector_key_enc_opts */ + FLOW_DISSECTOR_KEY_META, /* struct flow_dissector_key_meta */ FLOW_DISSECTOR_KEY_MAX, }; #define FLOW_DISSECTOR_F_PARSE_1ST_FRAG BIT(0) -#define FLOW_DISSECTOR_F_STOP_AT_L3 BIT(1) -#define FLOW_DISSECTOR_F_STOP_AT_FLOW_LABEL BIT(2) -#define FLOW_DISSECTOR_F_STOP_AT_ENCAP BIT(3) +#define FLOW_DISSECTOR_F_STOP_AT_FLOW_LABEL BIT(1) +#define FLOW_DISSECTOR_F_STOP_AT_ENCAP BIT(2) struct flow_dissector_key { enum flow_dissector_key_id key_id; diff --git a/include/net/flow_offload.h b/include/net/flow_offload.h index a2df99f9b196..36127c1858a4 100644 --- a/include/net/flow_offload.h +++ b/include/net/flow_offload.h @@ -1,6 +1,7 @@ #ifndef _NET_FLOW_OFFLOAD_H #define _NET_FLOW_OFFLOAD_H +#include <linux/kernel.h> #include <net/flow_dissector.h> struct flow_match { @@ -9,6 +10,10 @@ struct flow_match { void *key; }; +struct flow_match_meta { + struct flow_dissector_key_meta *key, *mask; +}; + struct flow_match_basic { struct flow_dissector_key_basic *key, *mask; }; @@ -63,6 +68,8 @@ struct flow_match_enc_opts { struct flow_rule; +void flow_rule_match_meta(const struct flow_rule *rule, + struct flow_match_meta *out); void flow_rule_match_basic(const struct flow_rule *rule, struct flow_match_basic *out); void flow_rule_match_control(const struct flow_rule *rule, diff --git a/include/net/fq.h b/include/net/fq.h index ac944a686840..d126b5d20261 100644 --- a/include/net/fq.h +++ b/include/net/fq.h @@ -1,8 +1,7 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright (c) 2016 Qualcomm Atheros, Inc * - * GPL v2 - * * Based on net/sched/sch_fq_codel.c */ #ifndef __NET_SCHED_FQ_H diff --git a/include/net/fq_impl.h b/include/net/fq_impl.h index 2caa86660ab0..be40a4b327e3 100644 --- a/include/net/fq_impl.h +++ b/include/net/fq_impl.h @@ -1,8 +1,7 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright (c) 2016 Qualcomm Atheros, Inc * - * GPL v2 - * * Based on net/sched/sch_fq_codel.c */ #ifndef __NET_SCHED_FQ_IMPL_H diff --git a/include/net/hwbm.h b/include/net/hwbm.h index 89085e2e2da5..81643cf8a1c4 100644 --- a/include/net/hwbm.h +++ b/include/net/hwbm.h @@ -12,18 +12,18 @@ struct hwbm_pool { /* constructor called during alocation */ int (*construct)(struct hwbm_pool *bm_pool, void *buf); /* protect acces to the buffer counter*/ - spinlock_t lock; + struct mutex buf_lock; /* private data */ void *priv; }; #ifdef CONFIG_HWBM void hwbm_buf_free(struct hwbm_pool *bm_pool, void *buf); int hwbm_pool_refill(struct hwbm_pool *bm_pool, gfp_t gfp); -int hwbm_pool_add(struct hwbm_pool *bm_pool, unsigned int buf_num, gfp_t gfp); +int hwbm_pool_add(struct hwbm_pool *bm_pool, unsigned int buf_num); #else void hwbm_buf_free(struct hwbm_pool *bm_pool, void *buf) {} int hwbm_pool_refill(struct hwbm_pool *bm_pool, gfp_t gfp) { return 0; } -int hwbm_pool_add(struct hwbm_pool *bm_pool, unsigned int buf_num, gfp_t gfp) +int hwbm_pool_add(struct hwbm_pool *bm_pool, unsigned int buf_num) { return 0; } #endif /* CONFIG_HWBM */ #endif /* _HWBM_H */ diff --git a/include/net/icmp.h b/include/net/icmp.h index e0f709d26dde..5d4bfdba9adf 100644 --- a/include/net/icmp.h +++ b/include/net/icmp.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * INET An implementation of the TCP/IP protocol suite for the LINUX * operating system. INET is implemented using the BSD Socket @@ -9,11 +10,6 @@ * * Authors: Ross Biro * Fred N. van Kempen, <waltje@uWalt.NL.Mugnet.ORG> - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. */ #ifndef _ICMP_H #define _ICMP_H diff --git a/include/net/ieee802154_netdev.h b/include/net/ieee802154_netdev.h index c4b31601cd53..d0d188c3294b 100644 --- a/include/net/ieee802154_netdev.h +++ b/include/net/ieee802154_netdev.h @@ -1,17 +1,9 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * An interface between IEEE802.15.4 device and rest of the kernel. * * Copyright (C) 2007-2012 Siemens AG * - * 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 published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * * Written by: * Pavel Smolenskiy <pavel.smolenskiy@gmail.com> * Maxim Gorbachyov <maxim.gorbachev@siemens.com> diff --git a/include/net/if_inet6.h b/include/net/if_inet6.h index c9c78c15bce0..50037913c9b1 100644 --- a/include/net/if_inet6.h +++ b/include/net/if_inet6.h @@ -1,15 +1,10 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * inet6 interface/address list definitions * Linux INET6 implementation * * Authors: * Pedro Roque <roque@di.fc.ul.pt> - * - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. */ #ifndef _NET_IF_INET6_H diff --git a/include/net/ila.h b/include/net/ila.h index 9f4f43e94ae4..f98dcd5791b0 100644 --- a/include/net/ila.h +++ b/include/net/ila.h @@ -1,12 +1,8 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * ILA kernel interface * * Copyright (c) 2015 Tom Herbert <tom@herbertland.com> - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. */ #ifndef _NET_ILA_H diff --git a/include/net/inet6_connection_sock.h b/include/net/inet6_connection_sock.h index 8ec87b62257b..7392f959a405 100644 --- a/include/net/inet6_connection_sock.h +++ b/include/net/inet6_connection_sock.h @@ -1,14 +1,10 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * NET Generic infrastructure for INET6 connection oriented protocols. * * Authors: Many people, see the TCPv6 sources * * From code originally in TCPv6 - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. */ #ifndef _INET6_CONNECTION_SOCK_H #define _INET6_CONNECTION_SOCK_H diff --git a/include/net/inet6_hashtables.h b/include/net/inet6_hashtables.h index 9db98af46985..fe96bf247aac 100644 --- a/include/net/inet6_hashtables.h +++ b/include/net/inet6_hashtables.h @@ -1,14 +1,10 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * INET An implementation of the TCP/IP protocol suite for the LINUX * operating system. INET is implemented using the BSD Socket * interface as the means of communication with the user level. * * Authors: Lotsa people, from code originally in tcp - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. */ #ifndef _INET6_HASHTABLES_H diff --git a/include/net/inet_connection_sock.h b/include/net/inet_connection_sock.h index ff40e1d08157..c57d53e7e02c 100644 --- a/include/net/inet_connection_sock.h +++ b/include/net/inet_connection_sock.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * NET Generic infrastructure for INET connection oriented protocols. * @@ -6,11 +7,6 @@ * Authors: Many people, see the TCP sources * * From code originally in TCP - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. */ #ifndef _INET_CONNECTION_SOCK_H #define _INET_CONNECTION_SOCK_H diff --git a/include/net/inet_frag.h b/include/net/inet_frag.h index e91b79ad4e4a..46574d996f1d 100644 --- a/include/net/inet_frag.h +++ b/include/net/inet_frag.h @@ -20,7 +20,7 @@ struct fqdir { /* Keep atomic mem on separate cachelines in structs that include it */ atomic_long_t mem ____cacheline_aligned_in_smp; - struct rcu_work destroy_rwork; + struct work_struct destroy_work; }; /** @@ -113,6 +113,12 @@ int inet_frags_init(struct inet_frags *); void inet_frags_fini(struct inet_frags *); int fqdir_init(struct fqdir **fqdirp, struct inet_frags *f, struct net *net); + +static void inline fqdir_pre_exit(struct fqdir *fqdir) +{ + fqdir->high_thresh = 0; /* prevent creation of new frags */ + fqdir->dead = true; +} void fqdir_exit(struct fqdir *fqdir); void inet_frag_kill(struct inet_frag_queue *q); diff --git a/include/net/inet_hashtables.h b/include/net/inet_hashtables.h index babb14136705..af2b4c065a04 100644 --- a/include/net/inet_hashtables.h +++ b/include/net/inet_hashtables.h @@ -1,14 +1,10 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * INET An implementation of the TCP/IP protocol suite for the LINUX * operating system. INET is implemented using the BSD Socket * interface as the means of communication with the user level. * * Authors: Lotsa people, from code originally in tcp - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. */ #ifndef _INET_HASHTABLES_H diff --git a/include/net/inet_sock.h b/include/net/inet_sock.h index e8eef85006aa..7769c9b36d75 100644 --- a/include/net/inet_sock.h +++ b/include/net/inet_sock.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * INET An implementation of the TCP/IP protocol suite for the LINUX * operating system. INET is implemented using the BSD Socket @@ -7,11 +8,6 @@ * * Authors: Many, reorganised here by * Arnaldo Carvalho de Melo <acme@mandriva.com> - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. */ #ifndef _INET_SOCK_H #define _INET_SOCK_H diff --git a/include/net/inet_timewait_sock.h b/include/net/inet_timewait_sock.h index 78775038f011..aef38c140014 100644 --- a/include/net/inet_timewait_sock.h +++ b/include/net/inet_timewait_sock.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * INET An implementation of the TCP/IP protocol suite for the LINUX * operating system. INET is implemented using the BSD Socket @@ -6,11 +7,6 @@ * Definitions for a generic INET TIMEWAIT sock * * From code originally in net/tcp.h - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. */ #ifndef _INET_TIMEWAIT_SOCK_ #define _INET_TIMEWAIT_SOCK_ @@ -74,6 +70,7 @@ struct inet_timewait_sock { tw_flowlabel : 20, tw_pad : 2, /* 2 bits hole */ tw_tos : 8; + u32 tw_txhash; struct timer_list tw_timer; struct inet_bind_bucket *tw_tb; }; diff --git a/include/net/ip.h b/include/net/ip.h index 029cc3fd26bd..29d89de39822 100644 --- a/include/net/ip.h +++ b/include/net/ip.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * INET An implementation of the TCP/IP protocol suite for the LINUX * operating system. INET is implemented using the BSD Socket @@ -13,11 +14,6 @@ * * Changes: * Mike McLagan : Routing by source - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. */ #ifndef _IP_H #define _IP_H @@ -167,7 +163,6 @@ int ip_do_fragment(struct net *net, struct sock *sk, struct sk_buff *skb, int (*output)(struct net *, struct sock *, struct sk_buff *)); struct ip_fraglist_iter { - struct sk_buff *frag_list; struct sk_buff *frag; struct iphdr *iph; int offset; @@ -284,7 +279,7 @@ void ip_send_unicast_reply(struct sock *sk, struct sk_buff *skb, const struct ip_options *sopt, __be32 daddr, __be32 saddr, const struct ip_reply_arg *arg, - unsigned int len); + unsigned int len, u64 transmit_time); #define IP_INC_STATS(net, field) SNMP_INC_STATS64((net)->mib.ip_statistics, field) #define __IP_INC_STATS(net, field) __SNMP_INC_STATS64((net)->mib.ip_statistics, field) diff --git a/include/net/ip6_checksum.h b/include/net/ip6_checksum.h index cca840584c88..7bec95df4f80 100644 --- a/include/net/ip6_checksum.h +++ b/include/net/ip6_checksum.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * INET An implementation of the TCP/IP protocol suite for the LINUX * operating system. INET is implemented using the BSD Socket @@ -9,11 +10,6 @@ * Arnt Gulbrandsen, <agulbra@nvg.unit.no> * Borrows very liberally from tcp.c and ip.c, see those * files for more names. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. */ /* diff --git a/include/net/ip6_fib.h b/include/net/ip6_fib.h index ebe5d65f97e0..87331f2c4af0 100644 --- a/include/net/ip6_fib.h +++ b/include/net/ip6_fib.h @@ -1,13 +1,9 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * Linux INET6 implementation * * Authors: * Pedro Roque <roque@di.fc.ul.pt> - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. */ #ifndef _IP6_FIB_H @@ -53,6 +49,7 @@ struct fib6_config { u16 fc_delete_all_nh : 1, fc_ignore_dev_down:1, __unused : 14; + u32 fc_nh_id; struct in6_addr fc_dst; struct in6_addr fc_src; @@ -146,7 +143,10 @@ struct fib6_info { * destination, but not the same gateway. nsiblings is just a cache * to speed up lookup. */ - struct list_head fib6_siblings; + union { + struct list_head fib6_siblings; + struct list_head nh_list; + }; unsigned int fib6_nsiblings; refcount_t fib6_ref; @@ -170,6 +170,7 @@ struct fib6_info { unused:3; struct rcu_head rcu; + struct nexthop *nh; struct fib6_nh fib6_nh[0]; }; @@ -262,8 +263,7 @@ static inline u32 rt6_get_cookie(const struct rt6_info *rt) rcu_read_lock(); from = rcu_dereference(rt->from); - if (from && (rt->rt6i_flags & RTF_PCPU || - unlikely(!list_empty(&rt->rt6i_uncached)))) + if (from) fib6_get_cookie_safe(from, &cookie); rcu_read_unlock(); @@ -377,6 +377,7 @@ typedef struct rt6_info *(*pol_lookup_t)(struct net *, struct fib6_entry_notifier_info { struct fib_notifier_info info; /* must be first */ struct fib6_info *rt; + unsigned int nsiblings; }; /* @@ -441,11 +442,6 @@ void rt6_get_prefsrc(const struct rt6_info *rt, struct in6_addr *addr) rcu_read_unlock(); } -static inline struct net_device *fib6_info_nh_dev(const struct fib6_info *f6i) -{ - return f6i->fib6_nh->fib_nh_dev; -} - int fib6_nh_init(struct net *net, struct fib6_nh *fib6_nh, struct fib6_config *cfg, gfp_t gfp_flags, struct netlink_ext_ack *extack); @@ -455,6 +451,11 @@ int call_fib6_entry_notifiers(struct net *net, enum fib_event_type event_type, struct fib6_info *rt, struct netlink_ext_ack *extack); +int call_fib6_multipath_entry_notifiers(struct net *net, + enum fib_event_type event_type, + struct fib6_info *rt, + unsigned int nsiblings, + struct netlink_ext_ack *extack); void fib6_rt_update(struct net *net, struct fib6_info *rt, struct nl_info *info); void inet6_rt_notify(int event, struct fib6_info *rt, struct nl_info *info, diff --git a/include/net/ip6_route.h b/include/net/ip6_route.h index a6ce6ea856b9..7375a165fd98 100644 --- a/include/net/ip6_route.h +++ b/include/net/ip6_route.h @@ -27,6 +27,7 @@ struct route_info { #include <linux/ip.h> #include <linux/ipv6.h> #include <linux/route.h> +#include <net/nexthop.h> #define RT6_LOOKUP_F_IFACE 0x00000001 #define RT6_LOOKUP_F_REACHABLE 0x00000002 @@ -66,10 +67,13 @@ static inline bool rt6_need_strict(const struct in6_addr *daddr) (IPV6_ADDR_MULTICAST | IPV6_ADDR_LINKLOCAL | IPV6_ADDR_LOOPBACK); } +/* fib entries using a nexthop object can not be coalesced into + * a multipath route + */ static inline bool rt6_qualify_for_ecmp(const struct fib6_info *f6i) { /* the RTF_ADDRCONF flag filters out RA's */ - return !(f6i->fib6_flags & RTF_ADDRCONF) && + return !(f6i->fib6_flags & RTF_ADDRCONF) && !f6i->nh && f6i->fib6_nh->fib_nh_gw_family; } @@ -275,8 +279,13 @@ static inline struct in6_addr *rt6_nexthop(struct rt6_info *rt, static inline bool rt6_duplicate_nexthop(struct fib6_info *a, struct fib6_info *b) { - struct fib6_nh *nha = a->fib6_nh, *nhb = b->fib6_nh; + struct fib6_nh *nha, *nhb; + + if (a->nh || b->nh) + return nexthop_cmp(a->nh, b->nh); + nha = a->fib6_nh; + nhb = b->fib6_nh; return nha->fib_nh_dev == nhb->fib_nh_dev && ipv6_addr_equal(&nha->fib_nh_gw6, &nhb->fib_nh_gw6) && !lwtunnel_cmp_encap(nha->fib_nh_lws, nhb->fib_nh_lws); diff --git a/include/net/ip_fib.h b/include/net/ip_fib.h index 70ba0302c8c9..7e1e621a56df 100644 --- a/include/net/ip_fib.h +++ b/include/net/ip_fib.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * INET An implementation of the TCP/IP protocol suite for the LINUX * operating system. INET is implemented using the BSD Socket @@ -6,11 +7,6 @@ * Definitions for the Forwarding Information Base. * * Authors: A.N.Kuznetsov, <kuznet@ms2.inr.ac.ru> - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. */ #ifndef _NET_IP_FIB_H @@ -44,6 +40,7 @@ struct fib_config { u32 fc_flags; u32 fc_priority; __be32 fc_prefsrc; + u32 fc_nh_id; struct nlattr *fc_mx; struct rtnexthop *fc_mp; int fc_mx_len; @@ -129,9 +126,12 @@ struct fib_nh { * This structure contains data shared by many of routes. */ +struct nexthop; + struct fib_info { struct hlist_node fib_hash; struct hlist_node fib_lhash; + struct list_head nh_list; struct net *fib_net; int fib_treeref; refcount_t fib_clntref; @@ -151,9 +151,9 @@ struct fib_info { int fib_nhs; bool fib_nh_is_v6; bool nh_updated; + struct nexthop *nh; struct rcu_head rcu; struct fib_nh fib_nh[0]; -#define fib_dev fib_nh[0].fib_nh_dev }; @@ -190,19 +190,14 @@ struct fib_result_nl { int err; }; -static inline struct fib_nh_common *fib_info_nhc(struct fib_info *fi, int nhsel) -{ - return &fi->fib_nh[nhsel].nh_common; -} - #ifdef CONFIG_IP_MULTIPLE_TABLES #define FIB_TABLE_HASHSZ 256 #else #define FIB_TABLE_HASHSZ 2 #endif -__be32 fib_info_update_nh_saddr(struct net *net, struct fib_nh *nh, - unsigned char scope); +__be32 fib_info_update_nhc_saddr(struct net *net, struct fib_nh_common *nhc, + unsigned char scope); __be32 fib_result_prefsrc(struct net *net, struct fib_result *res); #define FIB_RES_NHC(res) ((res).nhc) @@ -461,11 +456,18 @@ static inline void fib_combine_itag(u32 *itag, const struct fib_result *res) { #ifdef CONFIG_IP_ROUTE_CLASSID struct fib_nh_common *nhc = res->nhc; - struct fib_nh *nh = container_of(nhc, struct fib_nh, nh_common); #ifdef CONFIG_IP_MULTIPLE_TABLES u32 rtag; #endif - *itag = nh->nh_tclassid << 16; + if (nhc->nhc_family == AF_INET) { + struct fib_nh *nh; + + nh = container_of(nhc, struct fib_nh, nh_common); + *itag = nh->nh_tclassid << 16; + } else { + *itag = 0; + } + #ifdef CONFIG_IP_MULTIPLE_TABLES rtag = res->tclassid; if (*itag == 0) diff --git a/include/net/ip_vs.h b/include/net/ip_vs.h index 2ac40135b576..cb1ad0cc5c7b 100644 --- a/include/net/ip_vs.h +++ b/include/net/ip_vs.h @@ -603,6 +603,7 @@ struct ip_vs_dest_user_kern { u16 tun_type; /* tunnel type */ __be16 tun_port; /* tunnel port */ + u16 tun_flags; /* tunnel flags */ }; @@ -665,6 +666,7 @@ struct ip_vs_dest { atomic_t last_weight; /* server latest weight */ __u16 tun_type; /* tunnel type */ __be16 tun_port; /* tunnel port */ + __u16 tun_flags; /* tunnel flags */ refcount_t refcnt; /* reference counter */ struct ip_vs_stats stats; /* statistics */ @@ -1404,6 +1406,9 @@ bool ip_vs_has_real_service(struct netns_ipvs *ipvs, int af, __u16 protocol, struct ip_vs_dest * ip_vs_find_real_service(struct netns_ipvs *ipvs, int af, __u16 protocol, const union nf_inet_addr *daddr, __be16 dport); +struct ip_vs_dest *ip_vs_find_tunnel(struct netns_ipvs *ipvs, int af, + const union nf_inet_addr *daddr, + __be16 tun_port); int ip_vs_use_count_inc(void); void ip_vs_use_count_dec(void); @@ -1497,6 +1502,9 @@ static inline int ip_vs_todrop(struct netns_ipvs *ipvs) static inline int ip_vs_todrop(struct netns_ipvs *ipvs) { return 0; } #endif +#define IP_VS_DFWD_METHOD(dest) (atomic_read(&(dest)->conn_flags) & \ + IP_VS_CONN_F_FWD_MASK) + /* ip_vs_fwd_tag returns the forwarding tag of the connection */ #define IP_VS_FWD_METHOD(cp) (cp->flags & IP_VS_CONN_F_FWD_MASK) diff --git a/include/net/ipv6.h b/include/net/ipv6.h index 21bb830e9679..b41f6a0fa903 100644 --- a/include/net/ipv6.h +++ b/include/net/ipv6.h @@ -1,13 +1,9 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * Linux INET6 implementation * * Authors: * Pedro Roque <roque@di.fc.ul.pt> - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. */ #ifndef _NET_IPV6_H @@ -156,7 +152,6 @@ struct frag_hdr { struct ip6_fraglist_iter { struct ipv6hdr *tmp_hdr; - struct sk_buff *frag_list; struct sk_buff *frag; int offset; unsigned int hlen; diff --git a/include/net/ipv6_frag.h b/include/net/ipv6_frag.h index 1f77fb4dc79d..a21e8b1381a1 100644 --- a/include/net/ipv6_frag.h +++ b/include/net/ipv6_frag.h @@ -67,6 +67,8 @@ ip6frag_expire_frag_queue(struct net *net, struct frag_queue *fq) struct sk_buff *head; rcu_read_lock(); + if (fq->q.fqdir->dead) + goto out_rcu_unlock; spin_lock(&fq->q.lock); if (fq->q.flags & INET_FRAG_COMPLETE) diff --git a/include/net/l3mdev.h b/include/net/l3mdev.h index 5175fd63cd82..e942372b077b 100644 --- a/include/net/l3mdev.h +++ b/include/net/l3mdev.h @@ -1,12 +1,8 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * include/net/l3mdev.h - L3 master device API * Copyright (c) 2015 Cumulus Networks * Copyright (c) 2015 David Ahern <dsa@cumulusnetworks.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. */ #ifndef _NET_L3MDEV_H_ #define _NET_L3MDEV_H_ diff --git a/include/net/mac80211.h b/include/net/mac80211.h index 72080d9d617e..4411120e5a9a 100644 --- a/include/net/mac80211.h +++ b/include/net/mac80211.h @@ -317,6 +317,7 @@ struct ieee80211_vif_chanctx_switch { * @BSS_CHANGED_MCAST_RATE: Multicast Rate setting changed for this interface * @BSS_CHANGED_FTM_RESPONDER: fime timing reasurement request responder * functionality changed for this BSS (AP mode). + * @BSS_CHANGED_TWT: TWT status changed * */ enum ieee80211_bss_change { @@ -347,6 +348,7 @@ enum ieee80211_bss_change { BSS_CHANGED_KEEP_ALIVE = 1<<24, BSS_CHANGED_MCAST_RATE = 1<<25, BSS_CHANGED_FTM_RESPONDER = 1<<26, + BSS_CHANGED_TWT = 1<<27, /* when adding here, make sure to change ieee80211_reconfig */ }; @@ -504,6 +506,8 @@ struct ieee80211_ftm_responder_params { * @he_support: does this BSS support HE * @twt_requester: does this BSS support TWT requester (relevant for managed * mode only, set if the AP advertises TWT responder role) + * @twt_responder: does this BSS support TWT requester (relevant for managed + * mode only, set if the AP advertises TWT responder role) * @assoc: association status * @ibss_joined: indicates whether this station is part of an IBSS * or not @@ -611,6 +615,7 @@ struct ieee80211_bss_conf { u16 frame_time_rts_th; bool he_support; bool twt_requester; + bool twt_responder; /* association related data */ bool assoc, ibss_joined; bool ibss_creator; @@ -2269,6 +2274,9 @@ struct ieee80211_txq { * @IEEE80211_HW_EXT_KEY_ID_NATIVE: Driver and hardware are supporting Extended * Key ID and can handle two unicast keys per station for Rx and Tx. * + * @IEEE80211_HW_NO_AMPDU_KEYBORDER_SUPPORT: The card/driver can't handle + * active Tx A-MPDU sessions with Extended Key IDs during rekey. + * * @NUM_IEEE80211_HW_FLAGS: number of hardware flags, used for sizing arrays */ enum ieee80211_hw_flags { @@ -2321,6 +2329,7 @@ enum ieee80211_hw_flags { IEEE80211_HW_SUPPORTS_MULTI_BSSID, IEEE80211_HW_SUPPORTS_ONLY_HE_MULTI_BSSID, IEEE80211_HW_EXT_KEY_ID_NATIVE, + IEEE80211_HW_NO_AMPDU_KEYBORDER_SUPPORT, /* keep last, obviously */ NUM_IEEE80211_HW_FLAGS @@ -5951,29 +5960,6 @@ static inline int rate_supported(struct ieee80211_sta *sta, return (sta == NULL || sta->supp_rates[band] & BIT(index)); } -/** - * rate_control_send_low - helper for drivers for management/no-ack frames - * - * Rate control algorithms that agree to use the lowest rate to - * send management frames and NO_ACK data with the respective hw - * retries should use this in the beginning of their mac80211 get_rate - * callback. If true is returned the rate control can simply return. - * If false is returned we guarantee that sta and sta and priv_sta is - * not null. - * - * Rate control algorithms wishing to do more intelligent selection of - * rate for multicast/broadcast frames may choose to not use this. - * - * @sta: &struct ieee80211_sta pointer to the target destination. Note - * that this may be null. - * @priv_sta: private rate control structure. This may be null. - * @txrc: rate control information we sholud populate for mac80211. - */ -bool rate_control_send_low(struct ieee80211_sta *sta, - void *priv_sta, - struct ieee80211_tx_rate_control *txrc); - - static inline s8 rate_lowest_index(struct ieee80211_supported_band *sband, struct ieee80211_sta *sta) diff --git a/include/net/mac802154.h b/include/net/mac802154.h index 286824acd008..d524ffb9eb25 100644 --- a/include/net/mac802154.h +++ b/include/net/mac802154.h @@ -1,17 +1,8 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * IEEE802.15.4-2003 specification * * Copyright (C) 2007-2012 Siemens AG - * - * 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 published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * */ #ifndef NET_MAC802154_H #define NET_MAC802154_H diff --git a/include/net/mpls.h b/include/net/mpls.h index 1dbc669b770e..ccaf238e8ea7 100644 --- a/include/net/mpls.h +++ b/include/net/mpls.h @@ -1,14 +1,6 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright (c) 2014 Nicira, Inc. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of version 2 of the GNU General Public - * License as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. */ #ifndef _NET_MPLS_H diff --git a/include/net/mpls_iptunnel.h b/include/net/mpls_iptunnel.h index 9d22bf67ac86..6b4759eae158 100644 --- a/include/net/mpls_iptunnel.h +++ b/include/net/mpls_iptunnel.h @@ -1,14 +1,6 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright (c) 2015 Cumulus Networks, Inc. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of version 2 of the GNU General Public - * License as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. */ #ifndef _NET_MPLS_IPTUNNEL_H diff --git a/include/net/net_namespace.h b/include/net/net_namespace.h index abb4f92456e1..ad9243afac67 100644 --- a/include/net/net_namespace.h +++ b/include/net/net_namespace.h @@ -355,8 +355,13 @@ struct pernet_operations { * synchronize_rcu() related to these pernet_operations, * instead of separate synchronize_rcu() for every net. * Please, avoid synchronize_rcu() at all, where it's possible. + * + * Note that a combination of pre_exit() and exit() can + * be used, since a synchronize_rcu() is guaranteed between + * the calls. */ int (*init)(struct net *net); + void (*pre_exit)(struct net *net); void (*exit)(struct net *net); void (*exit_batch)(struct list_head *net_exit_list); unsigned int *id; diff --git a/include/net/netfilter/nf_flow_table.h b/include/net/netfilter/nf_flow_table.h index 3e370cb36263..d8c187936bec 100644 --- a/include/net/netfilter/nf_flow_table.h +++ b/include/net/netfilter/nf_flow_table.h @@ -53,8 +53,6 @@ struct flow_offload_tuple { u8 l4proto; u8 dir; - int oifidx; - u16 mtu; struct dst_entry *dst_cache; diff --git a/include/net/netlink.h b/include/net/netlink.h index 395b4406f4b0..e4650e5b64a1 100644 --- a/include/net/netlink.h +++ b/include/net/netlink.h @@ -378,13 +378,17 @@ struct nla_policy { /** * struct nl_info - netlink source information * @nlh: Netlink message header of original request + * @nl_net: Network namespace * @portid: Netlink PORTID of requesting application + * @skip_notify: Skip netlink notifications to user space + * @skip_notify_kernel: Skip selected in-kernel notifications */ struct nl_info { struct nlmsghdr *nlh; struct net *nl_net; u32 portid; - bool skip_notify; + u8 skip_notify:1, + skip_notify_kernel:1; }; /** @@ -1755,6 +1759,15 @@ static inline int __nla_validate_nested(const struct nlattr *start, int maxtype, } static inline int +nl80211_validate_nested(const struct nlattr *start, int maxtype, + const struct nla_policy *policy, + struct netlink_ext_ack *extack) +{ + return __nla_validate_nested(start, maxtype, policy, + NL_VALIDATE_STRICT, extack); +} + +static inline int nla_validate_nested_deprecated(const struct nlattr *start, int maxtype, const struct nla_policy *policy, struct netlink_ext_ack *extack) diff --git a/include/net/netns/ipv4.h b/include/net/netns/ipv4.h index c07cee1e0c9e..bc24a8ec1ce5 100644 --- a/include/net/netns/ipv4.h +++ b/include/net/netns/ipv4.h @@ -117,6 +117,7 @@ struct netns_ipv4 { #endif int sysctl_tcp_mtu_probing; int sysctl_tcp_base_mss; + int sysctl_tcp_min_snd_mss; int sysctl_tcp_probe_threshold; u32 sysctl_tcp_probe_interval; diff --git a/include/net/netprio_cgroup.h b/include/net/netprio_cgroup.h index 604190596cde..cfc9441ef074 100644 --- a/include/net/netprio_cgroup.h +++ b/include/net/netprio_cgroup.h @@ -1,14 +1,8 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * netprio_cgroup.h Control Group Priority set * - * * Authors: Neil Horman <nhorman@tuxdriver.com> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the Free - * Software Foundation; either version 2 of the License, or (at your option) - * any later version. - * */ #ifndef _NETPRIO_CGROUP_H diff --git a/include/net/nexthop.h b/include/net/nexthop.h index 6e1b8f53624c..25f1f9a8419b 100644 --- a/include/net/nexthop.h +++ b/include/net/nexthop.h @@ -10,6 +10,7 @@ #define __LINUX_NEXTHOP_H #include <linux/netdevice.h> +#include <linux/route.h> #include <linux/types.h> #include <net/ip_fib.h> #include <net/ip6_fib.h> @@ -77,6 +78,8 @@ struct nh_group { struct nexthop { struct rb_node rb_node; /* entry on netns rbtree */ + struct list_head fi_list; /* v4 entries using nh */ + struct list_head f6i_list; /* v6 entries using nh */ struct list_head grp_list; /* nh group entries using this nh */ struct net *net; @@ -110,6 +113,12 @@ static inline void nexthop_put(struct nexthop *nh) call_rcu(&nh->rcu, nexthop_free_rcu); } +static inline bool nexthop_cmp(const struct nexthop *nh1, + const struct nexthop *nh2) +{ + return nh1 == nh2; +} + static inline bool nexthop_is_multipath(const struct nexthop *nh) { if (nh->is_group) { @@ -151,7 +160,7 @@ struct nexthop *nexthop_mpath_select(const struct nexthop *nh, int nhsel) /* for_nexthops macros in fib_semantics.c grabs a pointer to * the nexthop before checking nhsel */ - if (nhsel > nhg->num_nh) + if (nhsel >= nhg->num_nh) return NULL; return nhg->nh_entries[nhsel].nh; @@ -192,4 +201,112 @@ static inline bool nexthop_is_blackhole(const struct nexthop *nh) nhi = rcu_dereference_rtnl(nh->nh_info); return nhi->reject_nh; } + +static inline void nexthop_path_fib_result(struct fib_result *res, int hash) +{ + struct nh_info *nhi; + struct nexthop *nh; + + nh = nexthop_select_path(res->fi->nh, hash); + nhi = rcu_dereference(nh->nh_info); + res->nhc = &nhi->fib_nhc; +} + +/* called with rcu read lock or rtnl held */ +static inline +struct fib_nh_common *nexthop_fib_nhc(struct nexthop *nh, int nhsel) +{ + struct nh_info *nhi; + + BUILD_BUG_ON(offsetof(struct fib_nh, nh_common) != 0); + BUILD_BUG_ON(offsetof(struct fib6_nh, nh_common) != 0); + + if (nexthop_is_multipath(nh)) { + nh = nexthop_mpath_select(nh, nhsel); + if (!nh) + return NULL; + } + + nhi = rcu_dereference_rtnl(nh->nh_info); + return &nhi->fib_nhc; +} + +static inline unsigned int fib_info_num_path(const struct fib_info *fi) +{ + if (unlikely(fi->nh)) + return nexthop_num_path(fi->nh); + + return fi->fib_nhs; +} + +int fib_check_nexthop(struct nexthop *nh, u8 scope, + struct netlink_ext_ack *extack); + +static inline struct fib_nh_common *fib_info_nhc(struct fib_info *fi, int nhsel) +{ + if (unlikely(fi->nh)) + return nexthop_fib_nhc(fi->nh, nhsel); + + return &fi->fib_nh[nhsel].nh_common; +} + +/* only used when fib_nh is built into fib_info */ +static inline struct fib_nh *fib_info_nh(struct fib_info *fi, int nhsel) +{ + WARN_ON(fi->nh); + + return &fi->fib_nh[nhsel]; +} + +/* + * IPv6 variants + */ +int fib6_check_nexthop(struct nexthop *nh, struct fib6_config *cfg, + struct netlink_ext_ack *extack); + +static inline struct fib6_nh *nexthop_fib6_nh(struct nexthop *nh) +{ + struct nh_info *nhi; + + if (nexthop_is_multipath(nh)) { + nh = nexthop_mpath_select(nh, 0); + if (!nh) + return NULL; + } + + nhi = rcu_dereference_rtnl(nh->nh_info); + if (nhi->family == AF_INET6) + return &nhi->fib6_nh; + + return NULL; +} + +static inline struct net_device *fib6_info_nh_dev(struct fib6_info *f6i) +{ + struct fib6_nh *fib6_nh; + + fib6_nh = f6i->nh ? nexthop_fib6_nh(f6i->nh) : f6i->fib6_nh; + return fib6_nh->fib_nh_dev; +} + +static inline void nexthop_path_fib6_result(struct fib6_result *res, int hash) +{ + struct nexthop *nh = res->f6i->nh; + struct nh_info *nhi; + + nh = nexthop_select_path(nh, hash); + + nhi = rcu_dereference_rtnl(nh->nh_info); + if (nhi->reject_nh) { + res->fib6_type = RTN_BLACKHOLE; + res->fib6_flags |= RTF_REJECT; + res->nh = nexthop_fib6_nh(nh); + } else { + res->nh = &nhi->fib6_nh; + } +} + +int nexthop_for_each_fib6_nh(struct nexthop *nh, + int (*cb)(struct fib6_nh *nh, void *arg), + void *arg); #endif diff --git a/include/net/nfc/digital.h b/include/net/nfc/digital.h index 74fa7eb94e72..963db96bcbbb 100644 --- a/include/net/nfc/digital.h +++ b/include/net/nfc/digital.h @@ -1,16 +1,7 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * NFC Digital Protocol stack * Copyright (c) 2013, Intel Corporation. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * */ #ifndef __NFC_DIGITAL_H diff --git a/include/net/nfc/llc.h b/include/net/nfc/llc.h index 7ecb45757897..1f699cb178ca 100644 --- a/include/net/nfc/llc.h +++ b/include/net/nfc/llc.h @@ -1,19 +1,8 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * Link Layer Control manager public interface * * Copyright (C) 2012 Intel Corporation. All rights reserved. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, see <http://www.gnu.org/licenses/>. */ #ifndef __NFC_LLC_H_ diff --git a/include/net/page_pool.h b/include/net/page_pool.h index 694d055e01ef..f07c518ef8a5 100644 --- a/include/net/page_pool.h +++ b/include/net/page_pool.h @@ -16,14 +16,16 @@ * page_pool_alloc_pages() call. Drivers should likely use * page_pool_dev_alloc_pages() replacing dev_alloc_pages(). * - * If page_pool handles DMA mapping (use page->private), then API user - * is responsible for invoking page_pool_put_page() once. In-case of - * elevated refcnt, the DMA state is released, assuming other users of - * the page will eventually call put_page(). + * API keeps track of in-flight pages, in-order to let API user know + * when it is safe to dealloactor page_pool object. Thus, API users + * must make sure to call page_pool_release_page() when a page is + * "leaving" the page_pool. Or call page_pool_put_page() where + * appropiate. For maintaining correct accounting. * - * If no DMA mapping is done, then it can act as shim-layer that - * fall-through to alloc_page. As no state is kept on the page, the - * regular put_page() call is sufficient. + * API user must only call page_pool_put_page() once on a page, as it + * will either recycle the page, or in case of elevated refcnt, it + * will release the DMA mapping and in-flight state accounting. We + * hope to lift this requirement in the future. */ #ifndef _NET_PAGE_POOL_H #define _NET_PAGE_POOL_H @@ -66,9 +68,10 @@ struct page_pool_params { }; struct page_pool { - struct rcu_head rcu; struct page_pool_params p; + u32 pages_state_hold_cnt; + /* * Data structure for allocation side * @@ -96,6 +99,8 @@ struct page_pool { * TODO: Implement bulk return pages into this structure. */ struct ptr_ring ring; + + atomic_t pages_state_release_cnt; }; struct page *page_pool_alloc_pages(struct page_pool *pool, gfp_t gfp); @@ -109,7 +114,16 @@ static inline struct page *page_pool_dev_alloc_pages(struct page_pool *pool) struct page_pool *page_pool_create(const struct page_pool_params *params); -void page_pool_destroy(struct page_pool *pool); +void __page_pool_free(struct page_pool *pool); +static inline void page_pool_free(struct page_pool *pool) +{ + /* When page_pool isn't compiled-in, net/core/xdp.c doesn't + * allow registering MEM_TYPE_PAGE_POOL, but shield linker. + */ +#ifdef CONFIG_PAGE_POOL + __page_pool_free(pool); +#endif +} /* Never call this directly, use helpers below */ void __page_pool_put_page(struct page_pool *pool, @@ -132,6 +146,43 @@ static inline void page_pool_recycle_direct(struct page_pool *pool, __page_pool_put_page(pool, page, true); } +/* API user MUST have disconnected alloc-side (not allowed to call + * page_pool_alloc_pages()) before calling this. The free-side can + * still run concurrently, to handle in-flight packet-pages. + * + * A request to shutdown can fail (with false) if there are still + * in-flight packet-pages. + */ +bool __page_pool_request_shutdown(struct page_pool *pool); +static inline bool page_pool_request_shutdown(struct page_pool *pool) +{ + bool safe_to_remove = false; + +#ifdef CONFIG_PAGE_POOL + safe_to_remove = __page_pool_request_shutdown(pool); +#endif + return safe_to_remove; +} + +/* Disconnects a page (from a page_pool). API users can have a need + * to disconnect a page (from a page_pool), to allow it to be used as + * a regular page (that will eventually be returned to the normal + * page-allocator via put_page). + */ +void page_pool_unmap_page(struct page_pool *pool, struct page *page); +static inline void page_pool_release_page(struct page_pool *pool, + struct page *page) +{ +#ifdef CONFIG_PAGE_POOL + page_pool_unmap_page(pool, page); +#endif +} + +static inline dma_addr_t page_pool_get_dma_addr(struct page *page) +{ + return page->dma_addr; +} + static inline bool is_page_pool_compiled_in(void) { #ifdef CONFIG_PAGE_POOL diff --git a/include/net/phonet/gprs.h b/include/net/phonet/gprs.h index bcd525e39a0b..6b7f57b2f92c 100644 --- a/include/net/phonet/gprs.h +++ b/include/net/phonet/gprs.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * File: pep_gprs.h * @@ -6,20 +7,6 @@ * Copyright (C) 2008 Nokia Corporation. * * Author: Rémi Denis-Courmont - * - * 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 published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA - * 02110-1301 USA */ #ifndef NET_PHONET_GPRS_H diff --git a/include/net/phonet/pep.h b/include/net/phonet/pep.h index 98f31c7ea23d..27b1ab5e4e6d 100644 --- a/include/net/phonet/pep.h +++ b/include/net/phonet/pep.h @@ -1,23 +1,10 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * File: pep.h * * Phonet Pipe End Point sockets definitions * * Copyright (C) 2008 Nokia Corporation. - * - * 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 published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA - * 02110-1301 USA */ #ifndef NET_PHONET_PEP_H diff --git a/include/net/phonet/phonet.h b/include/net/phonet/phonet.h index 51e1a2a45d02..a27bdc6cfeab 100644 --- a/include/net/phonet/phonet.h +++ b/include/net/phonet/phonet.h @@ -1,23 +1,10 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * File: af_phonet.h * * Phonet sockets kernel definitions * * Copyright (C) 2008 Nokia Corporation. - * - * 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 published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA - * 02110-1301 USA */ #ifndef AF_PHONET_H diff --git a/include/net/phonet/pn_dev.h b/include/net/phonet/pn_dev.h index cbee32be1d9c..05b49d4d2b11 100644 --- a/include/net/phonet/pn_dev.h +++ b/include/net/phonet/pn_dev.h @@ -1,23 +1,10 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * File: pn_dev.h * * Phonet network device * * Copyright (C) 2008 Nokia Corporation. - * - * 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 published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA - * 02110-1301 USA */ #ifndef PN_DEV_H diff --git a/include/net/ping.h b/include/net/ping.h index fd080e043a6e..2fe78874318c 100644 --- a/include/net/ping.h +++ b/include/net/ping.h @@ -1,14 +1,10 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * INET An implementation of the TCP/IP protocol suite for the LINUX * operating system. INET is implemented using the BSD Socket * interface as the means of communication with the user level. * * Definitions for the "ping" module. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. */ #ifndef _PING_H #define _PING_H diff --git a/include/net/pkt_cls.h b/include/net/pkt_cls.h index 514e3c80ecc1..720f2b32fc2f 100644 --- a/include/net/pkt_cls.h +++ b/include/net/pkt_cls.h @@ -7,6 +7,7 @@ #include <net/sch_generic.h> #include <net/act_api.h> #include <net/flow_offload.h> +#include <net/net_namespace.h> /* TC action not accessible from user space */ #define TC_ACT_REINSERT (TC_ACT_VALUE_MAX + 1) @@ -576,9 +577,6 @@ static inline int tcf_valid_offset(const struct sk_buff *skb, (ptr <= (ptr + len))); } -#ifdef CONFIG_NET_CLS_IND -#include <net/net_namespace.h> - static inline int tcf_change_indev(struct net *net, struct nlattr *indev_tlv, struct netlink_ext_ack *extack) @@ -605,7 +603,6 @@ tcf_match_indev(struct sk_buff *skb, int ifindex) return false; return ifindex == skb->skb_iif; } -#endif /* CONFIG_NET_CLS_IND */ int tc_setup_flow_action(struct flow_action *flow_action, const struct tcf_exts *exts); diff --git a/include/net/protocol.h b/include/net/protocol.h index 92b3eaad6088..2b778e1d2d8f 100644 --- a/include/net/protocol.h +++ b/include/net/protocol.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * INET An implementation of the TCP/IP protocol suite for the LINUX * operating system. INET is implemented using the BSD Socket @@ -9,11 +10,6 @@ * * Author: Fred N. van Kempen, <waltje@uWalt.NL.Mugnet.ORG> * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. - * * Changes: * Alan Cox : Added a name field and a frag handler * field for later. diff --git a/include/net/raw.h b/include/net/raw.h index 821ff4887f77..8ad8df594853 100644 --- a/include/net/raw.h +++ b/include/net/raw.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * INET An implementation of the TCP/IP protocol suite for the LINUX * operating system. INET is implemented using the BSD Socket @@ -8,11 +9,6 @@ * Version: @(#)raw.h 1.0.2 05/07/93 * * Author: Fred N. van Kempen, <waltje@uWalt.NL.Mugnet.ORG> - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. */ #ifndef _RAW_H #define _RAW_H diff --git a/include/net/request_sock.h b/include/net/request_sock.h index 9dfd7960d90a..b3ea21f2732e 100644 --- a/include/net/request_sock.h +++ b/include/net/request_sock.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * NET Generic infrastructure for Network protocols. * @@ -6,11 +7,6 @@ * Authors: Arnaldo Carvalho de Melo <acme@conectiva.com.br> * * From code originally in include/net/tcp.h - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. */ #ifndef _REQUEST_SOCK_H #define _REQUEST_SOCK_H diff --git a/include/net/route.h b/include/net/route.h index 96f6c9ae33c2..065b47754f05 100644 --- a/include/net/route.h +++ b/include/net/route.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * INET An implementation of the TCP/IP protocol suite for the LINUX * operating system. INET is implemented using the BSD Socket @@ -15,11 +16,6 @@ * Alexey Kuznetsov: Major changes for new routing code. * Mike McLagan : Routing by source * Robert Olsson : Added rt_cache statistics - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. */ #ifndef _ROUTE_H #define _ROUTE_H diff --git a/include/net/seg6.h b/include/net/seg6.h index 8b2dc6869fd1..640724b35273 100644 --- a/include/net/seg6.h +++ b/include/net/seg6.h @@ -1,14 +1,9 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * SR-IPv6 implementation * * Author: * David Lebrun <david.lebrun@uclouvain.be> - * - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. */ #ifndef _NET_SEG6_H diff --git a/include/net/seg6_hmac.h b/include/net/seg6_hmac.h index 7fda469e2758..2b5d2ee5613e 100644 --- a/include/net/seg6_hmac.h +++ b/include/net/seg6_hmac.h @@ -1,14 +1,9 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * SR-IPv6 implementation * * Author: * David Lebrun <david.lebrun@uclouvain.be> - * - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. */ #ifndef _NET_SEG6_HMAC_H diff --git a/include/net/seg6_local.h b/include/net/seg6_local.h index 08359e2d8b35..3fab9dec2ec4 100644 --- a/include/net/seg6_local.h +++ b/include/net/seg6_local.h @@ -1,15 +1,10 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * SR-IPv6 implementation * * Authors: * David Lebrun <david.lebrun@uclouvain.be> * eBPF support: Mathieu Xhonneux <m.xhonneux@gmail.com> - * - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. */ #ifndef _NET_SEG6_LOCAL_H diff --git a/include/net/snmp.h b/include/net/snmp.h index c9228ad7ee91..cb8ced4380a6 100644 --- a/include/net/snmp.h +++ b/include/net/snmp.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * * SNMP MIB entries for the IP subsystem. @@ -8,12 +9,6 @@ * be silly as SNMP is a pain in the backside in places). We do * however need to collect the MIB statistics and export them * out of /proc (eventually) - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. - * */ #ifndef _SNMP_H diff --git a/include/net/sock.h b/include/net/sock.h index 0680fa988497..6cbc16136357 100644 --- a/include/net/sock.h +++ b/include/net/sock.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * INET An implementation of the TCP/IP protocol suite for the LINUX * operating system. INET is implemented using the BSD Socket @@ -30,12 +31,6 @@ * respective headers and ipv4/v6, etc now * use private slabcaches for its socks * Pedro Hortas : New flags field for socket options - * - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. */ #ifndef _SOCK_H #define _SOCK_H @@ -1468,12 +1463,14 @@ static inline void sk_mem_uncharge(struct sock *sk, int size) __sk_mem_reclaim(sk, 1 << 20); } +DECLARE_STATIC_KEY_FALSE(tcp_tx_skb_cache_key); static inline void sk_wmem_free_skb(struct sock *sk, struct sk_buff *skb) { sock_set_flag(sk, SOCK_QUEUE_SHRUNK); sk->sk_wmem_queued -= skb->truesize; sk_mem_uncharge(sk, skb->truesize); - if (!sk->sk_tx_skb_cache && !skb_cloned(skb)) { + if (static_branch_unlikely(&tcp_tx_skb_cache_key) && + !sk->sk_tx_skb_cache && !skb_cloned(skb)) { skb_zcopy_clear(skb, true); sk->sk_tx_skb_cache = skb; return; @@ -2438,13 +2435,11 @@ static inline void skb_setup_tx_timestamp(struct sk_buff *skb, __u16 tsflags) * This routine must be called with interrupts disabled or with the socket * locked so that the sk_buff queue operation is ok. */ +DECLARE_STATIC_KEY_FALSE(tcp_rx_skb_cache_key); static inline void sk_eat_skb(struct sock *sk, struct sk_buff *skb) { __skb_unlink(skb, &sk->sk_receive_queue); - if ( -#ifdef CONFIG_RPS - !static_branch_unlikely(&rps_needed) && -#endif + if (static_branch_unlikely(&tcp_rx_skb_cache_key) && !sk->sk_rx_skb_cache) { sk->sk_rx_skb_cache = skb; skb_orphan(skb); @@ -2539,6 +2534,8 @@ extern int sysctl_optmem_max; extern __u32 sysctl_wmem_default; extern __u32 sysctl_rmem_default; +DECLARE_STATIC_KEY_FALSE(net_high_order_alloc_disable_key); + static inline int sk_get_wmem0(const struct sock *sk, const struct proto *proto) { /* Does this proto have per netns sysctl_wmem ? */ diff --git a/include/net/switchdev.h b/include/net/switchdev.h index 0ebd67ae7012..aee86a189432 100644 --- a/include/net/switchdev.h +++ b/include/net/switchdev.h @@ -1,12 +1,8 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * include/net/switchdev.h - Switch device API * Copyright (c) 2014-2015 Jiri Pirko <jiri@resnulli.us> * Copyright (c) 2014-2015 Scott Feldman <sfeldma@gmail.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. */ #ifndef _LINUX_SWITCHDEV_H_ #define _LINUX_SWITCHDEV_H_ diff --git a/include/net/tc_act/tc_bpf.h b/include/net/tc_act/tc_bpf.h index 2b94673a3dbc..5897162c605f 100644 --- a/include/net/tc_act/tc_bpf.h +++ b/include/net/tc_act/tc_bpf.h @@ -1,10 +1,6 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * Copyright (c) 2015 Jiri Pirko <jiri@resnulli.us> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. */ #ifndef __NET_TC_BPF_H diff --git a/include/net/tc_act/tc_ctinfo.h b/include/net/tc_act/tc_ctinfo.h index d6a688571672..f071c1d70a25 100644 --- a/include/net/tc_act/tc_ctinfo.h +++ b/include/net/tc_act/tc_ctinfo.h @@ -23,6 +23,11 @@ struct tcf_ctinfo { u64 stats_cpmark_set; }; +enum { + CTINFO_MODE_DSCP = BIT(0), + CTINFO_MODE_CPMARK = BIT(1) +}; + #define to_ctinfo(a) ((struct tcf_ctinfo *)a) #endif /* __NET_TC_CTINFO_H */ diff --git a/include/net/tc_act/tc_skbedit.h b/include/net/tc_act/tc_skbedit.h index 85c5c4756d92..4c04e2985508 100644 --- a/include/net/tc_act/tc_skbedit.h +++ b/include/net/tc_act/tc_skbedit.h @@ -1,18 +1,7 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright (c) 2008, Intel Corporation. * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License along with - * this program; if not, see <http://www.gnu.org/licenses/>. - * * Author: Alexander Duyck <alexander.h.duyck@intel.com> */ diff --git a/include/net/tc_act/tc_skbmod.h b/include/net/tc_act/tc_skbmod.h index 644a2116b47b..7c240d2fed4e 100644 --- a/include/net/tc_act/tc_skbmod.h +++ b/include/net/tc_act/tc_skbmod.h @@ -1,10 +1,6 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * Copyright (c) 2016, Jamal Hadi Salim - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. */ #ifndef __NET_TC_SKBMOD_H diff --git a/include/net/tc_act/tc_tunnel_key.h b/include/net/tc_act/tc_tunnel_key.h index 23d5b8b19f3e..7c3f777c168c 100644 --- a/include/net/tc_act/tc_tunnel_key.h +++ b/include/net/tc_act/tc_tunnel_key.h @@ -1,11 +1,7 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * Copyright (c) 2016, Amir Vadai <amir@vadai.me> * Copyright (c) 2016, Mellanox Technologies. All rights reserved. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. */ #ifndef __NET_TC_TUNNEL_KEY_H diff --git a/include/net/tc_act/tc_vlan.h b/include/net/tc_act/tc_vlan.h index fe39ed502bef..4e2502408c31 100644 --- a/include/net/tc_act/tc_vlan.h +++ b/include/net/tc_act/tc_vlan.h @@ -1,10 +1,6 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * Copyright (c) 2014 Jiri Pirko <jiri@resnulli.us> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. */ #ifndef __NET_TC_VLAN_H diff --git a/include/net/tcp.h b/include/net/tcp.h index 0083a14fb64f..573c9e9b0d72 100644 --- a/include/net/tcp.h +++ b/include/net/tcp.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * INET An implementation of the TCP/IP protocol suite for the LINUX * operating system. INET is implemented using the BSD Socket @@ -9,11 +10,6 @@ * * Authors: Ross Biro * Fred N. van Kempen, <waltje@uWalt.NL.Mugnet.ORG> - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. */ #ifndef _TCP_H #define _TCP_H @@ -55,6 +51,8 @@ void tcp_time_wait(struct sock *sk, int state, int timeo); #define MAX_TCP_HEADER (128 + MAX_HEADER) #define MAX_TCP_OPTION_SPACE 40 +#define TCP_MIN_SND_MSS 48 +#define TCP_MIN_GSO_SIZE (TCP_MIN_SND_MSS - MAX_TCP_OPTION_SPACE) /* * Never offer a window over 32767 without using window scaling. Some @@ -1632,9 +1630,9 @@ bool tcp_fastopen_defer_connect(struct sock *sk, int *err); /* Fastopen key context */ struct tcp_fastopen_context { - struct crypto_cipher *tfm[TCP_FASTOPEN_KEY_MAX]; - __u8 key[TCP_FASTOPEN_KEY_BUF_LENGTH]; - struct rcu_head rcu; + __u8 key[TCP_FASTOPEN_KEY_MAX][TCP_FASTOPEN_KEY_LENGTH]; + int num; + struct rcu_head rcu; }; extern unsigned int sysctl_tcp_fastopen_blackhole_timeout; @@ -1669,9 +1667,7 @@ bool tcp_fastopen_cookie_match(const struct tcp_fastopen_cookie *foc, static inline int tcp_fastopen_context_len(const struct tcp_fastopen_context *ctx) { - if (ctx->tfm[1]) - return 2; - return 1; + return ctx->num; } /* Latencies incurred by various limits for a sender. They are @@ -2236,4 +2232,26 @@ void clean_acked_data_disable(struct inet_connection_sock *icsk); void clean_acked_data_flush(void); #endif +DECLARE_STATIC_KEY_FALSE(tcp_tx_delay_enabled); +static inline void tcp_add_tx_delay(struct sk_buff *skb, + const struct tcp_sock *tp) +{ + if (static_branch_unlikely(&tcp_tx_delay_enabled)) + skb->skb_mstamp_ns += (u64)tp->tcp_tx_delay * NSEC_PER_USEC; +} + +/* Compute Earliest Departure Time for some control packets + * like ACK or RST for TIME_WAIT or non ESTABLISHED sockets. + */ +static inline u64 tcp_transmit_time(const struct sock *sk) +{ + if (static_branch_unlikely(&tcp_tx_delay_enabled)) { + u32 delay = (sk->sk_state == TCP_TIME_WAIT) ? + tcp_twsk(sk)->tw_tx_delay : tcp_sk(sk)->tcp_tx_delay; + + return tcp_clock_ns() + (u64)delay * NSEC_PER_USEC; + } + return 0; +} + #endif /* _TCP_H */ diff --git a/include/net/tcp_states.h b/include/net/tcp_states.h index 2875e169d744..cc00118acca1 100644 --- a/include/net/tcp_states.h +++ b/include/net/tcp_states.h @@ -1,14 +1,10 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * INET An implementation of the TCP/IP protocol suite for the LINUX * operating system. INET is implemented using the BSD Socket * interface as the means of communication with the user level. * * Definitions for the TCP protocol sk_state field. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. */ #ifndef _LINUX_TCP_STATES_H #define _LINUX_TCP_STATES_H diff --git a/include/net/timewait_sock.h b/include/net/timewait_sock.h index 1a47946f95ba..74d2b463cc95 100644 --- a/include/net/timewait_sock.h +++ b/include/net/timewait_sock.h @@ -1,12 +1,8 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * NET Generic infrastructure for Network protocols. * * Authors: Arnaldo Carvalho de Melo <acme@conectiva.com.br> - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. */ #ifndef _TIMEWAIT_SOCK_H #define _TIMEWAIT_SOCK_H diff --git a/include/net/tls.h b/include/net/tls.h index 39ea62f0c1f6..63e473420b00 100644 --- a/include/net/tls.h +++ b/include/net/tls.h @@ -40,6 +40,7 @@ #include <linux/socket.h> #include <linux/tcp.h> #include <linux/skmsg.h> +#include <linux/netdevice.h> #include <net/tcp.h> #include <net/strparser.h> @@ -61,6 +62,7 @@ #define TLS_DEVICE_NAME_MAX 32 #define MAX_IV_SIZE 16 +#define TLS_MAX_REC_SEQ_SIZE 8 /* For AES-CCM, the full 16-bytes of IV is made of '4' fields of given sizes. * @@ -197,17 +199,25 @@ struct tls_offload_context_tx { struct scatterlist sg_tx_data[MAX_SKB_FRAGS]; void (*sk_destruct)(struct sock *sk); - u8 driver_state[]; + u8 driver_state[] __aligned(8); /* The TLS layer reserves room for driver specific state * Currently the belief is that there is not enough * driver specific state to justify another layer of indirection */ -#define TLS_DRIVER_STATE_SIZE (max_t(size_t, 8, sizeof(void *))) +#define TLS_DRIVER_STATE_SIZE_TX 16 }; #define TLS_OFFLOAD_CONTEXT_SIZE_TX \ - (ALIGN(sizeof(struct tls_offload_context_tx), sizeof(void *)) + \ - TLS_DRIVER_STATE_SIZE) + (sizeof(struct tls_offload_context_tx) + TLS_DRIVER_STATE_SIZE_TX) + +enum tls_context_flags { + TLS_RX_SYNC_RUNNING = 0, + /* Unlike RX where resync is driven entirely by the core in TX only + * the driver knows when things went out of sync, so we need the flag + * to be atomic. + */ + TLS_TX_SYNC_SCHED = 1, +}; struct cipher_context { char *iv; @@ -236,34 +246,32 @@ struct tls_prot_info { }; struct tls_context { + /* read-only cache line */ struct tls_prot_info prot_info; - union tls_crypto_context crypto_send; - union tls_crypto_context crypto_recv; + u8 tx_conf:3; + u8 rx_conf:3; - struct list_head list; - struct net_device *netdev; - refcount_t refcount; + int (*push_pending_record)(struct sock *sk, int flags); + void (*sk_write_space)(struct sock *sk); void *priv_ctx_tx; void *priv_ctx_rx; - u8 tx_conf:3; - u8 rx_conf:3; + struct net_device *netdev; + /* rw cache line */ struct cipher_context tx; struct cipher_context rx; struct scatterlist *partially_sent_record; u16 partially_sent_offset; - unsigned long flags; bool in_tcp_sendpages; bool pending_open_record_frags; + unsigned long flags; - int (*push_pending_record)(struct sock *sk, int flags); - - void (*sk_write_space)(struct sock *sk); + /* cache cold stuff */ void (*sk_destruct)(struct sock *sk); void (*sk_proto_close)(struct sock *sk, long timeout); @@ -275,6 +283,12 @@ struct tls_context { int __user *optlen); int (*hash)(struct sock *sk); void (*unhash)(struct sock *sk); + + union tls_crypto_context crypto_send; + union tls_crypto_context crypto_recv; + + struct list_head list; + refcount_t refcount; }; enum tls_offload_ctx_dir { @@ -290,24 +304,48 @@ struct tlsdev_ops { void (*tls_dev_del)(struct net_device *netdev, struct tls_context *ctx, enum tls_offload_ctx_dir direction); - void (*tls_dev_resync_rx)(struct net_device *netdev, - struct sock *sk, u32 seq, u64 rcd_sn); + void (*tls_dev_resync)(struct net_device *netdev, + struct sock *sk, u32 seq, u8 *rcd_sn, + enum tls_offload_ctx_dir direction); +}; + +enum tls_offload_sync_type { + TLS_OFFLOAD_SYNC_TYPE_DRIVER_REQ = 0, + TLS_OFFLOAD_SYNC_TYPE_CORE_NEXT_HINT = 1, }; +#define TLS_DEVICE_RESYNC_NH_START_IVAL 2 +#define TLS_DEVICE_RESYNC_NH_MAX_IVAL 128 + struct tls_offload_context_rx { /* sw must be the first member of tls_offload_context_rx */ struct tls_sw_context_rx sw; - atomic64_t resync_req; - u8 driver_state[]; + enum tls_offload_sync_type resync_type; + /* this member is set regardless of resync_type, to avoid branches */ + u8 resync_nh_reset:1; + /* CORE_NEXT_HINT-only member, but use the hole here */ + u8 resync_nh_do_now:1; + union { + /* TLS_OFFLOAD_SYNC_TYPE_DRIVER_REQ */ + struct { + atomic64_t resync_req; + }; + /* TLS_OFFLOAD_SYNC_TYPE_CORE_NEXT_HINT */ + struct { + u32 decrypted_failed; + u32 decrypted_tgt; + } resync_nh; + }; + u8 driver_state[] __aligned(8); /* The TLS layer reserves room for driver specific state * Currently the belief is that there is not enough * driver specific state to justify another layer of indirection */ +#define TLS_DRIVER_STATE_SIZE_RX 8 }; #define TLS_OFFLOAD_CONTEXT_SIZE_RX \ - (ALIGN(sizeof(struct tls_offload_context_rx), sizeof(void *)) + \ - TLS_DRIVER_STATE_SIZE) + (sizeof(struct tls_offload_context_rx) + TLS_DRIVER_STATE_SIZE_RX) int wait_on_pending_writer(struct sock *sk, long *timeo); int tls_sk_query(struct sock *sk, int optname, char __user *optval, @@ -442,19 +480,15 @@ static inline struct tls_context *tls_get_ctx(const struct sock *sk) } static inline void tls_advance_record_sn(struct sock *sk, - struct cipher_context *ctx, - int version) + struct tls_prot_info *prot, + struct cipher_context *ctx) { - struct tls_context *tls_ctx = tls_get_ctx(sk); - struct tls_prot_info *prot = &tls_ctx->prot_info; - if (tls_bigint_increment(ctx->rec_seq, prot->rec_seq_size)) tls_err_abort(sk, EBADMSG); - if (version != TLS_1_3_VERSION) { + if (prot->version != TLS_1_3_VERSION) tls_bigint_increment(ctx->iv + TLS_CIPHER_AES_GCM_128_SALT_SIZE, prot->iv_size); - } } static inline void tls_fill_prepend(struct tls_context *ctx, @@ -556,6 +590,23 @@ tls_offload_ctx_rx(const struct tls_context *tls_ctx) return (struct tls_offload_context_rx *)tls_ctx->priv_ctx_rx; } +#if IS_ENABLED(CONFIG_TLS_DEVICE) +static inline void *__tls_driver_ctx(struct tls_context *tls_ctx, + enum tls_offload_ctx_dir direction) +{ + if (direction == TLS_OFFLOAD_CTX_DIR_TX) + return tls_offload_ctx_tx(tls_ctx)->driver_state; + else + return tls_offload_ctx_rx(tls_ctx)->driver_state; +} + +static inline void * +tls_driver_ctx(const struct sock *sk, enum tls_offload_ctx_dir direction) +{ + return __tls_driver_ctx(tls_get_ctx(sk), direction); +} +#endif + /* The TLS context is valid until sk_destruct is called */ static inline void tls_offload_rx_resync_request(struct sock *sk, __be32 seq) { @@ -565,6 +616,31 @@ static inline void tls_offload_rx_resync_request(struct sock *sk, __be32 seq) atomic64_set(&rx_ctx->resync_req, ((u64)ntohl(seq) << 32) | 1); } +static inline void +tls_offload_rx_resync_set_type(struct sock *sk, enum tls_offload_sync_type type) +{ + struct tls_context *tls_ctx = tls_get_ctx(sk); + + tls_offload_ctx_rx(tls_ctx)->resync_type = type; +} + +static inline void tls_offload_tx_resync_request(struct sock *sk) +{ + struct tls_context *tls_ctx = tls_get_ctx(sk); + + WARN_ON(test_and_set_bit(TLS_TX_SYNC_SCHED, &tls_ctx->flags)); +} + +/* Driver's seq tracking has to be disabled until resync succeeded */ +static inline bool tls_offload_tx_resync_pending(struct sock *sk) +{ + struct tls_context *tls_ctx = tls_get_ctx(sk); + bool ret; + + ret = test_bit(TLS_TX_SYNC_SCHED, &tls_ctx->flags); + smp_mb__after_atomic(); + return ret; +} int tls_proccess_cmsg(struct sock *sk, struct msghdr *msg, unsigned char *record_type); @@ -573,6 +649,7 @@ void tls_unregister_device(struct tls_device *device); int tls_device_decrypted(struct sock *sk, struct sk_buff *skb); int decrypt_skb(struct sock *sk, struct sk_buff *skb, struct scatterlist *sgout); +struct sk_buff *tls_encrypt_skb(struct sk_buff *skb); struct sk_buff *tls_validate_xmit_skb(struct sock *sk, struct net_device *dev, @@ -585,6 +662,6 @@ int tls_sw_fallback_init(struct sock *sk, int tls_set_device_offload_rx(struct sock *sk, struct tls_context *ctx); void tls_device_offload_cleanup_rx(struct sock *sk); -void handle_device_resync(struct sock *sk, u32 seq, u64 rcd_sn); +void tls_device_rx_resync_new_rec(struct sock *sk, u32 rcd_len, u32 seq); #endif /* _TLS_OFFLOAD_H */ diff --git a/include/net/udp.h b/include/net/udp.h index dbe030da20a1..79d141d2103b 100644 --- a/include/net/udp.h +++ b/include/net/udp.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * INET An implementation of the TCP/IP protocol suite for the LINUX * operating system. INET is implemented using the BSD Socket @@ -13,11 +14,6 @@ * Fixes: * Alan Cox : Turned on udp checksums. I don't want to * chase 'memory corruption' bugs that aren't! - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. */ #ifndef _UDP_H #define _UDP_H diff --git a/include/net/vsock_addr.h b/include/net/vsock_addr.h index 9ccd5316eac0..57d2db5c4bdf 100644 --- a/include/net/vsock_addr.h +++ b/include/net/vsock_addr.h @@ -1,16 +1,8 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * VMware vSockets Driver * * Copyright (C) 2007-2013 VMware, Inc. All rights reserved. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the Free - * Software Foundation version 2 and no later version. - * - * This program is distributed in the hope that it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. */ #ifndef _VSOCK_ADDR_H_ diff --git a/include/net/vxlan.h b/include/net/vxlan.h index 83b5999a2587..dc1583a1fb8a 100644 --- a/include/net/vxlan.h +++ b/include/net/vxlan.h @@ -242,7 +242,7 @@ struct vxlan_dev { struct vxlan_rdst default_dst; /* default destination */ struct timer_list age_timer; - spinlock_t hash_lock; + spinlock_t hash_lock[FDB_HASH_SIZE]; unsigned int addrcnt; struct gro_cells gro_cells; diff --git a/include/net/wimax.h b/include/net/wimax.h index c52b68577cb0..24ba7e89c26c 100644 --- a/include/net/wimax.h +++ b/include/net/wimax.h @@ -1,26 +1,11 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * Linux WiMAX * Kernel space API for accessing WiMAX devices * - * * Copyright (C) 2007-2008 Intel Corporation <linux-wimax@intel.com> * Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com> * - * 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 published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA - * 02110-1301, USA. - * - * * The WiMAX stack provides an API for controlling and managing the * system's WiMAX devices. This API affects the control plane; the * data plane is accessed via the network stack (netdev). diff --git a/include/net/xdp.h b/include/net/xdp.h index 0f25b3675c5c..40c6d3398458 100644 --- a/include/net/xdp.h +++ b/include/net/xdp.h @@ -1,7 +1,7 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* include/net/xdp.h * * Copyright (c) 2017 Jesper Dangaard Brouer, Red Hat Inc. - * Released under terms in GPL version 2. See COPYING. */ #ifndef __LINUX_NET_XDP_H__ #define __LINUX_NET_XDP_H__ @@ -129,6 +129,21 @@ void xdp_return_frame(struct xdp_frame *xdpf); void xdp_return_frame_rx_napi(struct xdp_frame *xdpf); void xdp_return_buff(struct xdp_buff *xdp); +/* When sending xdp_frame into the network stack, then there is no + * return point callback, which is needed to release e.g. DMA-mapping + * resources with page_pool. Thus, have explicit function to release + * frame resources. + */ +void __xdp_release_frame(void *data, struct xdp_mem_info *mem); +static inline void xdp_release_frame(struct xdp_frame *xdpf) +{ + struct xdp_mem_info *mem = &xdpf->mem; + + /* Curr only page_pool needs this */ + if (mem->type == MEM_TYPE_PAGE_POOL) + __xdp_release_frame(xdpf->data, mem); +} + int xdp_rxq_info_reg(struct xdp_rxq_info *xdp_rxq, struct net_device *dev, u32 queue_index); void xdp_rxq_info_unreg(struct xdp_rxq_info *xdp_rxq); diff --git a/include/net/xdp_priv.h b/include/net/xdp_priv.h new file mode 100644 index 000000000000..6a8cba6ea79a --- /dev/null +++ b/include/net/xdp_priv.h @@ -0,0 +1,23 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef __LINUX_NET_XDP_PRIV_H__ +#define __LINUX_NET_XDP_PRIV_H__ + +#include <linux/rhashtable.h> + +/* Private to net/core/xdp.c, but used by trace/events/xdp.h */ +struct xdp_mem_allocator { + struct xdp_mem_info mem; + union { + void *allocator; + struct page_pool *page_pool; + struct zero_copy_allocator *zc_alloc; + }; + int disconnect_cnt; + unsigned long defer_start; + struct rhash_head node; + struct rcu_head rcu; + struct delayed_work defer_wq; + unsigned long defer_warn; +}; + +#endif /* __LINUX_NET_XDP_PRIV_H__ */ |
