diff options
Diffstat (limited to 'include')
36 files changed, 1306 insertions, 311 deletions
diff --git a/include/asm-generic/checksum.h b/include/asm-generic/checksum.h index 59811df58c5b..3150cbd8eb21 100644 --- a/include/asm-generic/checksum.h +++ b/include/asm-generic/checksum.h @@ -65,14 +65,14 @@ static inline __sum16 csum_fold(__wsum csum) * returns a 16-bit checksum, already complemented */ extern __wsum -csum_tcpudp_nofold(__be32 saddr, __be32 daddr, unsigned short len, - unsigned short proto, __wsum sum); +csum_tcpudp_nofold(__be32 saddr, __be32 daddr, __u32 len, + __u8 proto, __wsum sum); #endif #ifndef csum_tcpudp_magic static inline __sum16 -csum_tcpudp_magic(__be32 saddr, __be32 daddr, unsigned short len, - unsigned short proto, __wsum sum) +csum_tcpudp_magic(__be32 saddr, __be32 daddr, __u32 len, + __u8 proto, __wsum sum) { return csum_fold(csum_tcpudp_nofold(saddr, daddr, len, proto, sum)); } diff --git a/include/linux/bcma/bcma_driver_chipcommon.h b/include/linux/bcma/bcma_driver_chipcommon.h index 700d0c6f7480..846513c73606 100644 --- a/include/linux/bcma/bcma_driver_chipcommon.h +++ b/include/linux/bcma/bcma_driver_chipcommon.h @@ -576,13 +576,11 @@ struct bcma_chipcommon_pmu { u32 crystalfreq; /* The active crystal frequency (in kHz) */ }; -#ifdef CONFIG_BCMA_DRIVER_MIPS +#ifdef CONFIG_BCMA_PFLASH struct bcma_pflash { bool present; - u8 buswidth; - u32 window; - u32 window_size; }; +#endif #ifdef CONFIG_BCMA_SFLASH struct mtd_info; @@ -606,6 +604,7 @@ struct bcma_nflash { }; #endif +#ifdef CONFIG_BCMA_DRIVER_MIPS struct bcma_serial_port { void *regs; unsigned long clockspeed; @@ -625,8 +624,9 @@ struct bcma_drv_cc { /* Fast Powerup Delay constant */ u16 fast_pwrup_delay; struct bcma_chipcommon_pmu pmu; -#ifdef CONFIG_BCMA_DRIVER_MIPS +#ifdef CONFIG_BCMA_PFLASH struct bcma_pflash pflash; +#endif #ifdef CONFIG_BCMA_SFLASH struct bcma_sflash sflash; #endif @@ -634,6 +634,7 @@ struct bcma_drv_cc { struct bcma_nflash nflash; #endif +#ifdef CONFIG_BCMA_DRIVER_MIPS int nr_serial_ports; struct bcma_serial_port serial_ports[4]; #endif /* CONFIG_BCMA_DRIVER_MIPS */ diff --git a/include/linux/if_bridge.h b/include/linux/if_bridge.h index a338a688ee4a..dcb89e3515db 100644 --- a/include/linux/if_bridge.h +++ b/include/linux/if_bridge.h @@ -46,10 +46,6 @@ struct br_ip_list { #define BR_LEARNING_SYNC BIT(9) #define BR_PROXYARP_WIFI BIT(10) -/* values as per ieee8021QBridgeFdbAgingTime */ -#define BR_MIN_AGEING_TIME (10 * HZ) -#define BR_MAX_AGEING_TIME (1000000 * HZ) - #define BR_DEFAULT_AGEING_TIME (300 * HZ) extern void brioctl_set(int (*ioctl_hook)(struct net *, unsigned int, void __user *)); diff --git a/include/linux/mbus.h b/include/linux/mbus.h index 1f7bc630d225..ea34a867caa0 100644 --- a/include/linux/mbus.h +++ b/include/linux/mbus.h @@ -69,6 +69,9 @@ static inline const struct mbus_dram_target_info *mv_mbus_dram_info_nooverlap(vo int mvebu_mbus_save_cpu_target(u32 *store_addr); void mvebu_mbus_get_pcie_mem_aperture(struct resource *res); void mvebu_mbus_get_pcie_io_aperture(struct resource *res); +int mvebu_mbus_get_dram_win_info(phys_addr_t phyaddr, u8 *target, u8 *attr); +int mvebu_mbus_get_io_win_info(phys_addr_t phyaddr, u32 *size, u8 *target, + u8 *attr); int mvebu_mbus_add_window_remap_by_id(unsigned int target, unsigned int attribute, phys_addr_t base, size_t size, diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h index fd30cb545c45..be693b34662f 100644 --- a/include/linux/netdevice.h +++ b/include/linux/netdevice.h @@ -786,6 +786,7 @@ typedef u16 (*select_queue_fallback_t)(struct net_device *dev, enum { TC_SETUP_MQPRIO, TC_SETUP_CLSU32, + TC_SETUP_CLSFLOWER, }; struct tc_cls_u32_offload; @@ -795,6 +796,7 @@ struct tc_to_netdev { union { u8 tc; struct tc_cls_u32_offload *cls_u32; + struct tc_cls_flower_offload *cls_flower; }; }; @@ -1326,6 +1328,7 @@ struct net_device_ops { * @IFF_RXFH_CONFIGURED: device has had Rx Flow indirection table configured * @IFF_PHONY_HEADROOM: the headroom value is controlled by an external * entity (i.e. the master device for bridged veth) + * @IFF_MACSEC: device is a MACsec device */ enum netdev_priv_flags { IFF_802_1Q_VLAN = 1<<0, @@ -1355,6 +1358,7 @@ enum netdev_priv_flags { IFF_TEAM = 1<<24, IFF_RXFH_CONFIGURED = 1<<25, IFF_PHONY_HEADROOM = 1<<26, + IFF_MACSEC = 1<<27, }; #define IFF_802_1Q_VLAN IFF_802_1Q_VLAN @@ -1383,6 +1387,7 @@ enum netdev_priv_flags { #define IFF_L3MDEV_SLAVE IFF_L3MDEV_SLAVE #define IFF_TEAM IFF_TEAM #define IFF_RXFH_CONFIGURED IFF_RXFH_CONFIGURED +#define IFF_MACSEC IFF_MACSEC /** * struct net_device - The DEVICE structure. @@ -4043,6 +4048,11 @@ static inline void skb_gso_error_unwind(struct sk_buff *skb, __be16 protocol, skb->mac_len = mac_len; } +static inline bool netif_is_macsec(const struct net_device *dev) +{ + return dev->priv_flags & IFF_MACSEC; +} + static inline bool netif_is_macvlan(const struct net_device *dev) { return dev->priv_flags & IFF_MACVLAN; diff --git a/include/linux/phy.h b/include/linux/phy.h index d6f3641e7933..2abd7918f64f 100644 --- a/include/linux/phy.h +++ b/include/linux/phy.h @@ -327,8 +327,6 @@ struct phy_c45_device_ids { /* phy_device: An instance of a PHY * * drv: Pointer to the driver for this PHY instance - * bus: Pointer to the bus this PHY is on - * dev: driver model device structure for this PHY * phy_id: UID for this device found during discovery * c45_ids: 802.3-c45 Device Identifers if is_c45. * is_c45: Set to true if this phy uses clause 45 addressing. @@ -338,7 +336,6 @@ struct phy_c45_device_ids { * suspended: Set to true if this phy has been suspended successfully. * state: state of the PHY for management purposes * dev_flags: Device-specific flags used by the PHY driver. - * addr: Bus address of PHY * link_timeout: The number of timer firings to wait before the * giving up on the current attempt at acquiring a link * irq: IRQ number of the PHY's interrupt (-1 if none) diff --git a/include/linux/phy_fixed.h b/include/linux/phy_fixed.h index 2400d2ea4f34..1d41ec44e39d 100644 --- a/include/linux/phy_fixed.h +++ b/include/linux/phy_fixed.h @@ -19,7 +19,7 @@ extern struct phy_device *fixed_phy_register(unsigned int irq, struct fixed_phy_status *status, int link_gpio, struct device_node *np); -extern void fixed_phy_del(int phy_addr); +extern void fixed_phy_unregister(struct phy_device *phydev); extern int fixed_phy_set_link_update(struct phy_device *phydev, int (*link_update)(struct net_device *, struct fixed_phy_status *)); @@ -40,9 +40,8 @@ static inline struct phy_device *fixed_phy_register(unsigned int irq, { return ERR_PTR(-ENODEV); } -static inline int fixed_phy_del(int phy_addr) +static inline void fixed_phy_unregister(struct phy_device *phydev) { - return -ENODEV; } static inline int fixed_phy_set_link_update(struct phy_device *phydev, int (*link_update)(struct net_device *, diff --git a/include/linux/platform_data/brcmfmac-sdio.h b/include/linux/platform_data/brcmfmac-sdio.h deleted file mode 100644 index e75dcbf2b230..000000000000 --- a/include/linux/platform_data/brcmfmac-sdio.h +++ /dev/null @@ -1,135 +0,0 @@ -/* - * Copyright (c) 2013 Broadcom Corporation - * - * Permission to use, copy, modify, and/or distribute this software for any - * purpose with or without fee is hereby granted, provided that the above - * copyright notice and this permission notice appear in all copies. - * - * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES - * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY - * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES - * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION - * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN - * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. - */ - -#ifndef _LINUX_BRCMFMAC_PLATFORM_H -#define _LINUX_BRCMFMAC_PLATFORM_H - -/* - * Platform specific driver functions and data. Through the platform specific - * device data functions can be provided to help the brcmfmac driver to - * operate with the device in combination with the used platform. - * - * Use the platform data in the following (similar) way: - * - * -#include <brcmfmac_platform.h> - - -static void brcmfmac_power_on(void) -{ -} - -static void brcmfmac_power_off(void) -{ -} - -static void brcmfmac_reset(void) -{ -} - -static struct brcmfmac_sdio_platform_data brcmfmac_sdio_pdata = { - .power_on = brcmfmac_power_on, - .power_off = brcmfmac_power_off, - .reset = brcmfmac_reset -}; - -static struct platform_device brcmfmac_device = { - .name = BRCMFMAC_SDIO_PDATA_NAME, - .id = PLATFORM_DEVID_NONE, - .dev.platform_data = &brcmfmac_sdio_pdata -}; - -void __init brcmfmac_init_pdata(void) -{ - brcmfmac_sdio_pdata.oob_irq_supported = true; - brcmfmac_sdio_pdata.oob_irq_nr = gpio_to_irq(GPIO_BRCMF_SDIO_OOB); - brcmfmac_sdio_pdata.oob_irq_flags = IORESOURCE_IRQ | - IORESOURCE_IRQ_HIGHLEVEL; - platform_device_register(&brcmfmac_device); -} - * - * - * Note: the brcmfmac can be loaded as module or be statically built-in into - * the kernel. If built-in then do note that it uses module_init (and - * module_exit) routines which equal device_initcall. So if you intend to - * create a module with the platform specific data for the brcmfmac and have - * it built-in to the kernel then use a higher initcall then device_initcall - * (see init.h). If this is not done then brcmfmac will load without problems - * but will not pickup the platform data. - * - * When the driver does not "detect" platform driver data then it will continue - * without reporting anything and just assume there is no data needed. Which is - * probably true for most platforms. - * - * Explanation of the platform_data fields: - * - * drive_strength: is the preferred drive_strength to be used for the SDIO - * pins. If 0 then a default value will be used. This is the target drive - * strength, the exact drive strength which will be used depends on the - * capabilities of the device. - * - * oob_irq_supported: does the board have support for OOB interrupts. SDIO - * in-band interrupts are relatively slow and for having less overhead on - * interrupt processing an out of band interrupt can be used. If the HW - * supports this then enable this by setting this field to true and configure - * the oob related fields. - * - * oob_irq_nr, oob_irq_flags: the OOB interrupt information. The values are - * used for registering the irq using request_irq function. - * - * broken_sg_support: flag for broken sg list support of SDIO host controller. - * Set this to true if the SDIO host controller has higher align requirement - * than 32 bytes for each scatterlist item. - * - * sd_head_align: alignment requirement for start of data buffer - * - * sd_sgentry_align: length alignment requirement for each sg entry - * - * power_on: This function is called by the brcmfmac when the module gets - * loaded. This can be particularly useful for low power devices. The platform - * spcific routine may for example decide to power up the complete device. - * If there is no use-case for this function then provide NULL. - * - * power_off: This function is called by the brcmfmac when the module gets - * unloaded. At this point the device can be powered down or otherwise be reset. - * So if an actual power_off is not supported but reset is then reset the device - * when this function gets called. This can be particularly useful for low power - * devices. If there is no use-case for this function (either power-down or - * reset) then provide NULL. - * - * reset: This function can get called if the device communication broke down. - * This functionality is particularly useful in case of SDIO type devices. It is - * possible to reset a dongle via sdio data interface, but it requires that - * this is fully functional. This function is chip/module specific and this - * function should return only after the complete reset has completed. - */ - -#define BRCMFMAC_SDIO_PDATA_NAME "brcmfmac_sdio" - -struct brcmfmac_sdio_platform_data { - unsigned int drive_strength; - bool oob_irq_supported; - unsigned int oob_irq_nr; - unsigned long oob_irq_flags; - bool broken_sg_support; - unsigned short sd_head_align; - unsigned short sd_sgentry_align; - void (*power_on)(void); - void (*power_off)(void); - void (*reset)(void); -}; - -#endif /* _LINUX_BRCMFMAC_PLATFORM_H */ diff --git a/include/linux/platform_data/brcmfmac.h b/include/linux/platform_data/brcmfmac.h new file mode 100644 index 000000000000..1d30bf278231 --- /dev/null +++ b/include/linux/platform_data/brcmfmac.h @@ -0,0 +1,185 @@ +/* + * Copyright (c) 201 Broadcom Corporation + * + * Permission to use, copy, modify, and/or distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY + * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN + * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#ifndef _LINUX_BRCMFMAC_PLATFORM_H +#define _LINUX_BRCMFMAC_PLATFORM_H + + +#define BRCMFMAC_PDATA_NAME "brcmfmac" + +#define BRCMFMAC_COUNTRY_BUF_SZ 4 + + +/* + * Platform specific driver functions and data. Through the platform specific + * device data functions and data can be provided to help the brcmfmac driver to + * operate with the device in combination with the used platform. + */ + + +/** + * Note: the brcmfmac can be loaded as module or be statically built-in into + * the kernel. If built-in then do note that it uses module_init (and + * module_exit) routines which equal device_initcall. So if you intend to + * create a module with the platform specific data for the brcmfmac and have + * it built-in to the kernel then use a higher initcall then device_initcall + * (see init.h). If this is not done then brcmfmac will load without problems + * but will not pickup the platform data. + * + * When the driver does not "detect" platform driver data then it will continue + * without reporting anything and just assume there is no data needed. Which is + * probably true for most platforms. + */ + +/** + * enum brcmf_bus_type - Bus type identifier. Currently SDIO, USB and PCIE are + * supported. + */ +enum brcmf_bus_type { + BRCMF_BUSTYPE_SDIO, + BRCMF_BUSTYPE_USB, + BRCMF_BUSTYPE_PCIE +}; + + +/** + * struct brcmfmac_sdio_pd - SDIO Device specific platform data. + * + * @txglomsz: SDIO txglom size. Use 0 if default of driver is to be + * used. + * @drive_strength: is the preferred drive_strength to be used for the SDIO + * pins. If 0 then a default value will be used. This is + * the target drive strength, the exact drive strength + * which will be used depends on the capabilities of the + * device. + * @oob_irq_supported: does the board have support for OOB interrupts. SDIO + * in-band interrupts are relatively slow and for having + * less overhead on interrupt processing an out of band + * interrupt can be used. If the HW supports this then + * enable this by setting this field to true and configure + * the oob related fields. + * @oob_irq_nr, + * @oob_irq_flags: the OOB interrupt information. The values are used for + * registering the irq using request_irq function. + * @broken_sg_support: flag for broken sg list support of SDIO host controller. + * Set this to true if the SDIO host controller has higher + * align requirement than 32 bytes for each scatterlist + * item. + * @sd_head_align: alignment requirement for start of data buffer. + * @sd_sgentry_align: length alignment requirement for each sg entry. + * @reset: This function can get called if the device communication + * broke down. This functionality is particularly useful in + * case of SDIO type devices. It is possible to reset a + * dongle via sdio data interface, but it requires that + * this is fully functional. This function is chip/module + * specific and this function should return only after the + * complete reset has completed. + */ +struct brcmfmac_sdio_pd { + int txglomsz; + unsigned int drive_strength; + bool oob_irq_supported; + unsigned int oob_irq_nr; + unsigned long oob_irq_flags; + bool broken_sg_support; + unsigned short sd_head_align; + unsigned short sd_sgentry_align; + void (*reset)(void); +}; + +/** + * struct brcmfmac_pd_cc_entry - Struct for translating user space country code + * (iso3166) to firmware country code and + * revision. + * + * @iso3166: iso3166 alpha 2 country code string. + * @cc: firmware country code string. + * @rev: firmware country code revision. + */ +struct brcmfmac_pd_cc_entry { + char iso3166[BRCMFMAC_COUNTRY_BUF_SZ]; + char cc[BRCMFMAC_COUNTRY_BUF_SZ]; + s32 rev; +}; + +/** + * struct brcmfmac_pd_cc - Struct for translating country codes as set by user + * space to a country code and rev which can be used by + * firmware. + * + * @table_size: number of entries in table (> 0) + * @table: array of 1 or more elements with translation information. + */ +struct brcmfmac_pd_cc { + int table_size; + struct brcmfmac_pd_cc_entry table[0]; +}; + +/** + * struct brcmfmac_pd_device - Device specific platform data. (id/rev/bus_type) + * is the unique identifier of the device. + * + * @id: ID of the device for which this data is. In case of SDIO + * or PCIE this is the chipid as identified by chip.c In + * case of USB this is the chipid as identified by the + * device query. + * @rev: chip revision, see id. + * @bus_type: The type of bus. Some chipid/rev exist for different bus + * types. Each bus type has its own set of settings. + * @feature_disable: Bitmask of features to disable (override), See feature.c + * in brcmfmac for details. + * @country_codes: If available, pointer to struct for translating country + * codes. + * @bus: Bus specific (union) device settings. Currently only + * SDIO. + */ +struct brcmfmac_pd_device { + unsigned int id; + unsigned int rev; + enum brcmf_bus_type bus_type; + unsigned int feature_disable; + struct brcmfmac_pd_cc *country_codes; + union { + struct brcmfmac_sdio_pd sdio; + } bus; +}; + +/** + * struct brcmfmac_platform_data - BRCMFMAC specific platform data. + * + * @power_on: This function is called by the brcmfmac driver when the module + * gets loaded. This can be particularly useful for low power + * devices. The platform spcific routine may for example decide to + * power up the complete device. If there is no use-case for this + * function then provide NULL. + * @power_off: This function is called by the brcmfmac when the module gets + * unloaded. At this point the devices can be powered down or + * otherwise be reset. So if an actual power_off is not supported + * but reset is supported by the devices then reset the devices + * when this function gets called. This can be particularly useful + * for low power devices. If there is no use-case for this + * function then provide NULL. + */ +struct brcmfmac_platform_data { + void (*power_on)(void); + void (*power_off)(void); + char *fw_alternative_path; + int device_count; + struct brcmfmac_pd_device devices[0]; +}; + + +#endif /* _LINUX_BRCMFMAC_PLATFORM_H */ diff --git a/include/linux/platform_data/microread.h b/include/linux/platform_data/microread.h deleted file mode 100644 index ca13992089b8..000000000000 --- a/include/linux/platform_data/microread.h +++ /dev/null @@ -1,35 +0,0 @@ -/* - * Driver include for the Inside Secure microread NFC Chip. - * - * Copyright (C) 2011 Tieto Poland - * Copyright (C) 2012 Intel Corporation. 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 - * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - -#ifndef _MICROREAD_H -#define _MICROREAD_H - -#include <linux/i2c.h> - -#define MICROREAD_DRIVER_NAME "microread" - -/* board config platform data for microread */ -struct microread_nfc_platform_data { - unsigned int rst_gpio; - unsigned int irq_gpio; - unsigned int ioh_gpio; -}; - -#endif /* _MICROREAD_H */ diff --git a/include/linux/tcp.h b/include/linux/tcp.h index bcbf51da4e1e..7be9b1242354 100644 --- a/include/linux/tcp.h +++ b/include/linux/tcp.h @@ -158,6 +158,9 @@ struct tcp_sock { u32 segs_in; /* RFC4898 tcpEStatsPerfSegsIn * total number of segments in. */ + u32 data_segs_in; /* RFC4898 tcpEStatsPerfDataSegsIn + * total number of data segments in. + */ u32 rcv_nxt; /* What we want to receive next */ u32 copied_seq; /* Head of yet unread data */ u32 rcv_wup; /* rcv_nxt on last window update sent */ @@ -165,6 +168,9 @@ struct tcp_sock { u32 segs_out; /* RFC4898 tcpEStatsPerfSegsOut * The total number of segments sent. */ + u32 data_segs_out; /* RFC4898 tcpEStatsPerfDataSegsOut + * total number of data segments sent. + */ u64 bytes_acked; /* RFC4898 tcpEStatsAppHCThruOctetsAcked * sum(delta(snd_una)), or how many bytes * were acked. diff --git a/include/net/act_api.h b/include/net/act_api.h index 342be6c5ab5c..2a19fe111c78 100644 --- a/include/net/act_api.h +++ b/include/net/act_api.h @@ -78,11 +78,6 @@ static inline void tcf_lastuse_update(struct tcf_t *tm) tm->lastuse = now; } -#ifdef CONFIG_NET_CLS_ACT - -#define ACT_P_CREATED 1 -#define ACT_P_DELETED 1 - struct tc_action { void *priv; const struct tc_action_ops *ops; @@ -92,6 +87,11 @@ struct tc_action { struct tcf_hashinfo *hinfo; }; +#ifdef CONFIG_NET_CLS_ACT + +#define ACT_P_CREATED 1 +#define ACT_P_DELETED 1 + struct tc_action_ops { struct list_head head; char kind[IFNAMSIZ]; @@ -171,5 +171,16 @@ int tcf_action_dump(struct sk_buff *skb, struct list_head *, int, int); int tcf_action_dump_old(struct sk_buff *skb, struct tc_action *a, int, int); int tcf_action_dump_1(struct sk_buff *skb, struct tc_action *a, int, int); int tcf_action_copy_stats(struct sk_buff *, struct tc_action *, int); + +#define tc_no_actions(_exts) \ + (list_empty(&(_exts)->actions)) + +#define tc_for_each_action(_a, _exts) \ + list_for_each_entry(a, &(_exts)->actions, list) +#else /* CONFIG_NET_CLS_ACT */ + +#define tc_no_actions(_exts) true +#define tc_for_each_action(_a, _exts) while (0) + #endif /* CONFIG_NET_CLS_ACT */ #endif diff --git a/include/net/checksum.h b/include/net/checksum.h index abffc64e7300..5c30891e84e5 100644 --- a/include/net/checksum.h +++ b/include/net/checksum.h @@ -88,8 +88,11 @@ static inline __wsum csum_block_add(__wsum csum, __wsum csum2, int offset) { u32 sum = (__force u32)csum2; - if (offset&1) - sum = ((sum&0xFF00FF)<<8)+((sum>>8)&0xFF00FF); + + /* rotate sum to align it with a 16b boundary */ + if (offset & 1) + sum = ror32(sum, 8); + return csum_add(csum, (__force __wsum)sum); } @@ -102,10 +105,7 @@ csum_block_add_ext(__wsum csum, __wsum csum2, int offset, int len) static inline __wsum csum_block_sub(__wsum csum, __wsum csum2, int offset) { - u32 sum = (__force u32)csum2; - if (offset&1) - sum = ((sum&0xFF00FF)<<8)+((sum>>8)&0xFF00FF); - return csum_sub(csum, (__force __wsum)sum); + return csum_block_add(csum, ~csum2, offset); } static inline __wsum csum_unfold(__sum16 n) diff --git a/include/net/dst_metadata.h b/include/net/dst_metadata.h index 84b833af6882..5db9f5910428 100644 --- a/include/net/dst_metadata.h +++ b/include/net/dst_metadata.h @@ -126,7 +126,7 @@ static inline struct metadata_dst *ip_tun_rx_dst(struct sk_buff *skb, ip_tunnel_key_init(&tun_dst->u.tun_info.key, iph->saddr, iph->daddr, iph->tos, iph->ttl, - 0, 0, tunnel_id, flags); + 0, 0, 0, tunnel_id, flags); return tun_dst; } @@ -152,8 +152,11 @@ static inline struct metadata_dst *ipv6_tun_rx_dst(struct sk_buff *skb, info->key.u.ipv6.src = ip6h->saddr; info->key.u.ipv6.dst = ip6h->daddr; + info->key.tos = ipv6_get_dsfield(ip6h); info->key.ttl = ip6h->hop_limit; + info->key.label = ip6_flowlabel(ip6h); + return tun_dst; } diff --git a/include/net/flow_dissector.h b/include/net/flow_dissector.h index 8c8548cf5888..d3d60dccd19f 100644 --- a/include/net/flow_dissector.h +++ b/include/net/flow_dissector.h @@ -184,4 +184,17 @@ static inline bool flow_keys_have_l4(struct flow_keys *keys) u32 flow_hash_from_keys(struct flow_keys *keys); +static inline bool dissector_uses_key(const struct flow_dissector *flow_dissector, + enum flow_dissector_key_id key_id) +{ + return flow_dissector->used_keys & (1 << key_id); +} + +static inline void *skb_flow_dissector_target(struct flow_dissector *flow_dissector, + enum flow_dissector_key_id key_id, + void *target_container) +{ + return ((char *)target_container) + flow_dissector->offset[key_id]; +} + #endif diff --git a/include/net/hwbm.h b/include/net/hwbm.h new file mode 100644 index 000000000000..47d08662501b --- /dev/null +++ b/include/net/hwbm.h @@ -0,0 +1,28 @@ +#ifndef _HWBM_H +#define _HWBM_H + +struct hwbm_pool { + /* Capacity of the pool */ + int size; + /* Size of the buffers managed */ + int frag_size; + /* Number of buffers currently used by this pool */ + int buf_num; + /* constructor called during alocation */ + int (*construct)(struct hwbm_pool *bm_pool, void *buf); + /* protect acces to the buffer counter*/ + spinlock_t 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); +#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) +{ return 0; } +#endif /* CONFIG_HWBM */ +#endif /* _HWBM_H */ diff --git a/include/net/ip6_checksum.h b/include/net/ip6_checksum.h index 1a49b73f7f6e..cca840584c88 100644 --- a/include/net/ip6_checksum.h +++ b/include/net/ip6_checksum.h @@ -37,8 +37,7 @@ #ifndef _HAVE_ARCH_IPV6_CSUM __sum16 csum_ipv6_magic(const struct in6_addr *saddr, const struct in6_addr *daddr, - __u32 len, unsigned short proto, - __wsum csum); + __u32 len, __u8 proto, __wsum csum); #endif static inline __wsum ip6_compute_pseudo(struct sk_buff *skb, int proto) diff --git a/include/net/ip_tunnels.h b/include/net/ip_tunnels.h index 0acd80fadb32..5dc2e454f866 100644 --- a/include/net/ip_tunnels.h +++ b/include/net/ip_tunnels.h @@ -48,6 +48,7 @@ struct ip_tunnel_key { __be16 tun_flags; u8 tos; /* TOS for IPv4, TC for IPv6 */ u8 ttl; /* TTL for IPv4, HL for IPv6 */ + __be32 label; /* Flow Label for IPv6 */ __be16 tp_src; __be16 tp_dst; }; @@ -181,7 +182,7 @@ int ip_tunnel_encap_del_ops(const struct ip_tunnel_encap_ops *op, static inline void ip_tunnel_key_init(struct ip_tunnel_key *key, __be32 saddr, __be32 daddr, - u8 tos, u8 ttl, + u8 tos, u8 ttl, __be32 label, __be16 tp_src, __be16 tp_dst, __be64 tun_id, __be16 tun_flags) { @@ -192,6 +193,7 @@ static inline void ip_tunnel_key_init(struct ip_tunnel_key *key, 0, IP_TUNNEL_KEY_IPV4_PAD_LEN); key->tos = tos; key->ttl = ttl; + key->label = label; key->tun_flags = tun_flags; /* For the tunnel types on the top of IPsec, the tp_src and tp_dst of diff --git a/include/net/kcm.h b/include/net/kcm.h index 95c425ca97b6..2840b5825dcc 100644 --- a/include/net/kcm.h +++ b/include/net/kcm.h @@ -180,8 +180,8 @@ struct kcm_mux { int kcm_proc_init(void); void kcm_proc_exit(void); #else -static int kcm_proc_init(void) { return 0; } -static void kcm_proc_exit(void) { } +static inline int kcm_proc_init(void) { return 0; } +static inline void kcm_proc_exit(void) { } #endif static inline void aggregate_psock_stats(struct kcm_psock_stats *stats, diff --git a/include/net/pkt_cls.h b/include/net/pkt_cls.h index bea14eee373e..caa5e18636df 100644 --- a/include/net/pkt_cls.h +++ b/include/net/pkt_cls.h @@ -409,4 +409,18 @@ static inline bool tc_should_offload(struct net_device *dev, u32 flags) return true; } +enum tc_fl_command { + TC_CLSFLOWER_REPLACE, + TC_CLSFLOWER_DESTROY, +}; + +struct tc_cls_flower_offload { + enum tc_fl_command command; + unsigned long cookie; + struct flow_dissector *dissector; + struct fl_flow_key *mask; + struct fl_flow_key *key; + struct tcf_exts *exts; +}; + #endif diff --git a/include/net/sctp/sm.h b/include/net/sctp/sm.h index 487ef34bbd63..efc01743b9d6 100644 --- a/include/net/sctp/sm.h +++ b/include/net/sctp/sm.h @@ -201,7 +201,7 @@ struct sctp_chunk *sctp_make_cwr(const struct sctp_association *, struct sctp_chunk * sctp_make_datafrag_empty(struct sctp_association *, const struct sctp_sndrcvinfo *sinfo, int len, const __u8 flags, - __u16 ssn); + __u16 ssn, gfp_t gfp); struct sctp_chunk *sctp_make_ecne(const struct sctp_association *, const __u32); struct sctp_chunk *sctp_make_sack(const struct sctp_association *); diff --git a/include/net/sctp/structs.h b/include/net/sctp/structs.h index d05b56641abc..9d237669c52c 100644 --- a/include/net/sctp/structs.h +++ b/include/net/sctp/structs.h @@ -655,7 +655,7 @@ void sctp_chunk_free(struct sctp_chunk *); void *sctp_addto_chunk(struct sctp_chunk *, int len, const void *data); struct sctp_chunk *sctp_chunkify(struct sk_buff *, const struct sctp_association *, - struct sock *); + struct sock *, gfp_t gfp); void sctp_init_addrs(struct sctp_chunk *, union sctp_addr *, union sctp_addr *); const union sctp_addr *sctp_source(const struct sctp_chunk *chunk); @@ -717,10 +717,10 @@ struct sctp_packet *sctp_packet_init(struct sctp_packet *, __u16 sport, __u16 dport); struct sctp_packet *sctp_packet_config(struct sctp_packet *, __u32 vtag, int); sctp_xmit_t sctp_packet_transmit_chunk(struct sctp_packet *, - struct sctp_chunk *, int); + struct sctp_chunk *, int, gfp_t); sctp_xmit_t sctp_packet_append_chunk(struct sctp_packet *, struct sctp_chunk *); -int sctp_packet_transmit(struct sctp_packet *); +int sctp_packet_transmit(struct sctp_packet *, gfp_t); void sctp_packet_free(struct sctp_packet *); static inline int sctp_packet_empty(struct sctp_packet *packet) @@ -1053,7 +1053,7 @@ struct sctp_outq { void sctp_outq_init(struct sctp_association *, struct sctp_outq *); void sctp_outq_teardown(struct sctp_outq *); void sctp_outq_free(struct sctp_outq*); -int sctp_outq_tail(struct sctp_outq *, struct sctp_chunk *chunk); +int sctp_outq_tail(struct sctp_outq *, struct sctp_chunk *chunk, gfp_t); int sctp_outq_sack(struct sctp_outq *, struct sctp_chunk *); int sctp_outq_is_empty(const struct sctp_outq *); void sctp_outq_restart(struct sctp_outq *); @@ -1061,7 +1061,7 @@ void sctp_outq_restart(struct sctp_outq *); void sctp_retransmit(struct sctp_outq *, struct sctp_transport *, sctp_retransmit_reason_t); void sctp_retransmit_mark(struct sctp_outq *, struct sctp_transport *, __u8); -int sctp_outq_uncork(struct sctp_outq *); +int sctp_outq_uncork(struct sctp_outq *, gfp_t gfp); /* Uncork and flush an outqueue. */ static inline void sctp_outq_cork(struct sctp_outq *q) { diff --git a/include/net/tc_act/tc_gact.h b/include/net/tc_act/tc_gact.h index 04a31830711b..93c520b83d10 100644 --- a/include/net/tc_act/tc_gact.h +++ b/include/net/tc_act/tc_gact.h @@ -16,9 +16,9 @@ struct tcf_gact { #define to_gact(a) \ container_of(a->priv, struct tcf_gact, common) -#ifdef CONFIG_NET_CLS_ACT static inline bool is_tcf_gact_shot(const struct tc_action *a) { +#ifdef CONFIG_NET_CLS_ACT struct tcf_gact *gact; if (a->ops && a->ops->type != TCA_ACT_GACT) @@ -28,7 +28,7 @@ static inline bool is_tcf_gact_shot(const struct tc_action *a) if (gact->tcf_action == TC_ACT_SHOT) return true; +#endif return false; } -#endif #endif /* __NET_TC_GACT_H */ diff --git a/include/net/tc_act/tc_skbedit.h b/include/net/tc_act/tc_skbedit.h index 0df9a0db4a8e..b496d5ad7d42 100644 --- a/include/net/tc_act/tc_skbedit.h +++ b/include/net/tc_act/tc_skbedit.h @@ -20,6 +20,7 @@ #define __NET_TC_SKBEDIT_H #include <net/act_api.h> +#include <linux/tc_act/tc_skbedit.h> struct tcf_skbedit { struct tcf_common common; @@ -32,4 +33,19 @@ struct tcf_skbedit { #define to_skbedit(a) \ container_of(a->priv, struct tcf_skbedit, common) +/* Return true iff action is mark */ +static inline bool is_tcf_skbedit_mark(const struct tc_action *a) +{ +#ifdef CONFIG_NET_CLS_ACT + if (a->ops && a->ops->type == TCA_ACT_SKBEDIT) + return to_skbedit(a)->flags == SKBEDIT_F_MARK; +#endif + return false; +} + +static inline u32 tcf_skbedit_mark(const struct tc_action *a) +{ + return to_skbedit(a)->mark; +} + #endif /* __NET_TC_SKBEDIT_H */ diff --git a/include/net/tcp.h b/include/net/tcp.h index 0302636af98c..c8dbd293daae 100644 --- a/include/net/tcp.h +++ b/include/net/tcp.h @@ -1840,4 +1840,14 @@ static inline int tcp_inq(struct sock *sk) return answ; } +static inline void tcp_segs_in(struct tcp_sock *tp, const struct sk_buff *skb) +{ + u16 segs_in; + + segs_in = max_t(u16, 1, skb_shinfo(skb)->gso_segs); + tp->segs_in += segs_in; + if (skb->len > tcp_hdrlen(skb)) + tp->data_segs_in += segs_in; +} + #endif /* _TCP_H */ diff --git a/include/net/udp_tunnel.h b/include/net/udp_tunnel.h index 97f5adb121a6..b83114077cee 100644 --- a/include/net/udp_tunnel.h +++ b/include/net/udp_tunnel.h @@ -88,8 +88,8 @@ int udp_tunnel6_xmit_skb(struct dst_entry *dst, struct sock *sk, struct sk_buff *skb, struct net_device *dev, struct in6_addr *saddr, struct in6_addr *daddr, - __u8 prio, __u8 ttl, __be16 src_port, - __be16 dst_port, bool nocheck); + __u8 prio, __u8 ttl, __be32 label, + __be16 src_port, __be16 dst_port, bool nocheck); #endif void udp_tunnel_sock_release(struct socket *sock); diff --git a/include/net/vxlan.h b/include/net/vxlan.h index 6eda4ed4d78b..a763c96ecde4 100644 --- a/include/net/vxlan.h +++ b/include/net/vxlan.h @@ -162,6 +162,7 @@ struct vxlan_config { u16 port_max; u8 tos; u8 ttl; + __be32 label; u32 flags; unsigned long age_interval; unsigned int addrmax; diff --git a/include/uapi/linux/Kbuild b/include/uapi/linux/Kbuild index ebd10e624598..e25ebcfbcb48 100644 --- a/include/uapi/linux/Kbuild +++ b/include/uapi/linux/Kbuild @@ -173,6 +173,7 @@ header-y += if_hippi.h header-y += if_infiniband.h header-y += if_link.h header-y += if_ltalk.h +header-y += if_macsec.h header-y += if_packet.h header-y += if_phonet.h header-y += if_plip.h diff --git a/include/uapi/linux/bpf.h b/include/uapi/linux/bpf.h index 0e30b19012a5..924f537183fd 100644 --- a/include/uapi/linux/bpf.h +++ b/include/uapi/linux/bpf.h @@ -375,6 +375,7 @@ struct bpf_tunnel_key { }; __u8 tunnel_tos; __u8 tunnel_ttl; + __u32 tunnel_label; }; #endif /* _UAPI__LINUX_BPF_H__ */ diff --git a/include/uapi/linux/if_ether.h b/include/uapi/linux/if_ether.h index ea9221b0331a..4a93051c578c 100644 --- a/include/uapi/linux/if_ether.h +++ b/include/uapi/linux/if_ether.h @@ -83,6 +83,7 @@ #define ETH_P_8021AD 0x88A8 /* 802.1ad Service VLAN */ #define ETH_P_802_EX1 0x88B5 /* 802.1 Local Experimental 1. */ #define ETH_P_TIPC 0x88CA /* TIPC */ +#define ETH_P_MACSEC 0x88E5 /* 802.1ae MACsec */ #define ETH_P_8021AH 0x88E7 /* 802.1ah Backbone Service Tag */ #define ETH_P_MVRP 0x88F5 /* 802.1Q MVRP */ #define ETH_P_1588 0x88F7 /* IEEE 1588 Timesync */ diff --git a/include/uapi/linux/if_link.h b/include/uapi/linux/if_link.h index d452cea59020..8e3f88fa5b59 100644 --- a/include/uapi/linux/if_link.h +++ b/include/uapi/linux/if_link.h @@ -413,6 +413,35 @@ enum { #define IFLA_VRF_PORT_MAX (__IFLA_VRF_PORT_MAX - 1) +/* MACSEC section */ +enum { + IFLA_MACSEC_UNSPEC, + IFLA_MACSEC_SCI, + IFLA_MACSEC_PORT, + IFLA_MACSEC_ICV_LEN, + IFLA_MACSEC_CIPHER_SUITE, + IFLA_MACSEC_WINDOW, + IFLA_MACSEC_ENCODING_SA, + IFLA_MACSEC_ENCRYPT, + IFLA_MACSEC_PROTECT, + IFLA_MACSEC_INC_SCI, + IFLA_MACSEC_ES, + IFLA_MACSEC_SCB, + IFLA_MACSEC_REPLAY_PROTECT, + IFLA_MACSEC_VALIDATION, + __IFLA_MACSEC_MAX, +}; + +#define IFLA_MACSEC_MAX (__IFLA_MACSEC_MAX - 1) + +enum macsec_validation_type { + MACSEC_VALIDATE_DISABLED = 0, + MACSEC_VALIDATE_CHECK = 1, + MACSEC_VALIDATE_STRICT = 2, + __MACSEC_VALIDATE_END, + MACSEC_VALIDATE_MAX = __MACSEC_VALIDATE_END - 1, +}; + /* IPVLAN section */ enum { IFLA_IPVLAN_UNSPEC, @@ -456,6 +485,7 @@ enum { IFLA_VXLAN_GBP, IFLA_VXLAN_REMCSUM_NOPARTIAL, IFLA_VXLAN_COLLECT_METADATA, + IFLA_VXLAN_LABEL, __IFLA_VXLAN_MAX }; #define IFLA_VXLAN_MAX (__IFLA_VXLAN_MAX - 1) @@ -478,6 +508,7 @@ enum { IFLA_GENEVE_UDP_CSUM, IFLA_GENEVE_UDP_ZERO_CSUM6_TX, IFLA_GENEVE_UDP_ZERO_CSUM6_RX, + IFLA_GENEVE_LABEL, __IFLA_GENEVE_MAX }; #define IFLA_GENEVE_MAX (__IFLA_GENEVE_MAX - 1) diff --git a/include/uapi/linux/if_macsec.h b/include/uapi/linux/if_macsec.h new file mode 100644 index 000000000000..26b0d1e3e3e7 --- /dev/null +++ b/include/uapi/linux/if_macsec.h @@ -0,0 +1,161 @@ +/* + * include/uapi/linux/if_macsec.h - MACsec device + * + * Copyright (c) 2015 Sabrina Dubroca <sd@queasysnail.net> + * + * 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 _UAPI_MACSEC_H +#define _UAPI_MACSEC_H + +#include <linux/types.h> + +#define MACSEC_GENL_NAME "macsec" +#define MACSEC_GENL_VERSION 1 + +#define MACSEC_MAX_KEY_LEN 128 + +#define DEFAULT_CIPHER_ID 0x0080020001000001ULL +#define DEFAULT_CIPHER_ALT 0x0080C20001000001ULL + +#define MACSEC_MIN_ICV_LEN 8 +#define MACSEC_MAX_ICV_LEN 32 + +enum macsec_attrs { + MACSEC_ATTR_UNSPEC, + MACSEC_ATTR_IFINDEX, /* u32, ifindex of the MACsec netdevice */ + MACSEC_ATTR_RXSC_CONFIG, /* config, nested macsec_rxsc_attrs */ + MACSEC_ATTR_SA_CONFIG, /* config, nested macsec_sa_attrs */ + MACSEC_ATTR_SECY, /* dump, nested macsec_secy_attrs */ + MACSEC_ATTR_TXSA_LIST, /* dump, nested, macsec_sa_attrs for each TXSA */ + MACSEC_ATTR_RXSC_LIST, /* dump, nested, macsec_rxsc_attrs for each RXSC */ + MACSEC_ATTR_TXSC_STATS, /* dump, nested, macsec_txsc_stats_attr */ + MACSEC_ATTR_SECY_STATS, /* dump, nested, macsec_secy_stats_attr */ + __MACSEC_ATTR_END, + NUM_MACSEC_ATTR = __MACSEC_ATTR_END, + MACSEC_ATTR_MAX = __MACSEC_ATTR_END - 1, +}; + +enum macsec_secy_attrs { + MACSEC_SECY_ATTR_UNSPEC, + MACSEC_SECY_ATTR_SCI, + MACSEC_SECY_ATTR_ENCODING_SA, + MACSEC_SECY_ATTR_WINDOW, + MACSEC_SECY_ATTR_CIPHER_SUITE, + MACSEC_SECY_ATTR_ICV_LEN, + MACSEC_SECY_ATTR_PROTECT, + MACSEC_SECY_ATTR_REPLAY, + MACSEC_SECY_ATTR_OPER, + MACSEC_SECY_ATTR_VALIDATE, + MACSEC_SECY_ATTR_ENCRYPT, + MACSEC_SECY_ATTR_INC_SCI, + MACSEC_SECY_ATTR_ES, + MACSEC_SECY_ATTR_SCB, + __MACSEC_SECY_ATTR_END, + NUM_MACSEC_SECY_ATTR = __MACSEC_SECY_ATTR_END, + MACSEC_SECY_ATTR_MAX = __MACSEC_SECY_ATTR_END - 1, +}; + +enum macsec_rxsc_attrs { + MACSEC_RXSC_ATTR_UNSPEC, + MACSEC_RXSC_ATTR_SCI, /* config/dump, u64 */ + MACSEC_RXSC_ATTR_ACTIVE, /* config/dump, u8 0..1 */ + MACSEC_RXSC_ATTR_SA_LIST, /* dump, nested */ + MACSEC_RXSC_ATTR_STATS, /* dump, nested, macsec_rxsc_stats_attr */ + __MACSEC_RXSC_ATTR_END, + NUM_MACSEC_RXSC_ATTR = __MACSEC_RXSC_ATTR_END, + MACSEC_RXSC_ATTR_MAX = __MACSEC_RXSC_ATTR_END - 1, +}; + +enum macsec_sa_attrs { + MACSEC_SA_ATTR_UNSPEC, + MACSEC_SA_ATTR_AN, /* config/dump, u8 0..3 */ + MACSEC_SA_ATTR_ACTIVE, /* config/dump, u8 0..1 */ + MACSEC_SA_ATTR_PN, /* config/dump, u32 */ + MACSEC_SA_ATTR_KEY, /* config, data */ + MACSEC_SA_ATTR_KEYID, /* config/dump, u64 */ + MACSEC_SA_ATTR_STATS, /* dump, nested, macsec_sa_stats_attr */ + __MACSEC_SA_ATTR_END, + NUM_MACSEC_SA_ATTR = __MACSEC_SA_ATTR_END, + MACSEC_SA_ATTR_MAX = __MACSEC_SA_ATTR_END - 1, +}; + +enum macsec_nl_commands { + MACSEC_CMD_GET_TXSC, + MACSEC_CMD_ADD_RXSC, + MACSEC_CMD_DEL_RXSC, + MACSEC_CMD_UPD_RXSC, + MACSEC_CMD_ADD_TXSA, + MACSEC_CMD_DEL_TXSA, + MACSEC_CMD_UPD_TXSA, + MACSEC_CMD_ADD_RXSA, + MACSEC_CMD_DEL_RXSA, + MACSEC_CMD_UPD_RXSA, +}; + +/* u64 per-RXSC stats */ +enum macsec_rxsc_stats_attr { + MACSEC_RXSC_STATS_ATTR_UNSPEC, + MACSEC_RXSC_STATS_ATTR_IN_OCTETS_VALIDATED, + MACSEC_RXSC_STATS_ATTR_IN_OCTETS_DECRYPTED, + MACSEC_RXSC_STATS_ATTR_IN_PKTS_UNCHECKED, + MACSEC_RXSC_STATS_ATTR_IN_PKTS_DELAYED, + MACSEC_RXSC_STATS_ATTR_IN_PKTS_OK, + MACSEC_RXSC_STATS_ATTR_IN_PKTS_INVALID, + MACSEC_RXSC_STATS_ATTR_IN_PKTS_LATE, + MACSEC_RXSC_STATS_ATTR_IN_PKTS_NOT_VALID, + MACSEC_RXSC_STATS_ATTR_IN_PKTS_NOT_USING_SA, + MACSEC_RXSC_STATS_ATTR_IN_PKTS_UNUSED_SA, + __MACSEC_RXSC_STATS_ATTR_END, + NUM_MACSEC_RXSC_STATS_ATTR = __MACSEC_RXSC_STATS_ATTR_END, + MACSEC_RXSC_STATS_ATTR_MAX = __MACSEC_RXSC_STATS_ATTR_END - 1, +}; + +/* u32 per-{RX,TX}SA stats */ +enum macsec_sa_stats_attr { + MACSEC_SA_STATS_ATTR_UNSPEC, + MACSEC_SA_STATS_ATTR_IN_PKTS_OK, + MACSEC_SA_STATS_ATTR_IN_PKTS_INVALID, + MACSEC_SA_STATS_ATTR_IN_PKTS_NOT_VALID, + MACSEC_SA_STATS_ATTR_IN_PKTS_NOT_USING_SA, + MACSEC_SA_STATS_ATTR_IN_PKTS_UNUSED_SA, + MACSEC_SA_STATS_ATTR_OUT_PKTS_PROTECTED, + MACSEC_SA_STATS_ATTR_OUT_PKTS_ENCRYPTED, + __MACSEC_SA_STATS_ATTR_END, + NUM_MACSEC_SA_STATS_ATTR = __MACSEC_SA_STATS_ATTR_END, + MACSEC_SA_STATS_ATTR_MAX = __MACSEC_SA_STATS_ATTR_END - 1, +}; + +/* u64 per-TXSC stats */ +enum macsec_txsc_stats_attr { + MACSEC_TXSC_STATS_ATTR_UNSPEC, + MACSEC_TXSC_STATS_ATTR_OUT_PKTS_PROTECTED, + MACSEC_TXSC_STATS_ATTR_OUT_PKTS_ENCRYPTED, + MACSEC_TXSC_STATS_ATTR_OUT_OCTETS_PROTECTED, + MACSEC_TXSC_STATS_ATTR_OUT_OCTETS_ENCRYPTED, + __MACSEC_TXSC_STATS_ATTR_END, + NUM_MACSEC_TXSC_STATS_ATTR = __MACSEC_TXSC_STATS_ATTR_END, + MACSEC_TXSC_STATS_ATTR_MAX = __MACSEC_TXSC_STATS_ATTR_END - 1, +}; + +/* u64 per-SecY stats */ +enum macsec_secy_stats_attr { + MACSEC_SECY_STATS_ATTR_UNSPEC, + MACSEC_SECY_STATS_ATTR_OUT_PKTS_UNTAGGED, + MACSEC_SECY_STATS_ATTR_IN_PKTS_UNTAGGED, + MACSEC_SECY_STATS_ATTR_OUT_PKTS_TOO_LONG, + MACSEC_SECY_STATS_ATTR_IN_PKTS_NO_TAG, + MACSEC_SECY_STATS_ATTR_IN_PKTS_BAD_TAG, + MACSEC_SECY_STATS_ATTR_IN_PKTS_UNKNOWN_SCI, + MACSEC_SECY_STATS_ATTR_IN_PKTS_NO_SCI, + MACSEC_SECY_STATS_ATTR_IN_PKTS_OVERRUN, + __MACSEC_SECY_STATS_ATTR_END, + NUM_MACSEC_SECY_STATS_ATTR = __MACSEC_SECY_STATS_ATTR_END, + MACSEC_SECY_STATS_ATTR_MAX = __MACSEC_SECY_STATS_ATTR_END - 1, +}; + +#endif /* _UAPI_MACSEC_H */ diff --git a/include/uapi/linux/netconf.h b/include/uapi/linux/netconf.h index 23cbd34e4ac7..45dfad509c4d 100644 --- a/include/uapi/linux/netconf.h +++ b/include/uapi/linux/netconf.h @@ -19,6 +19,7 @@ enum { __NETCONFA_MAX }; #define NETCONFA_MAX (__NETCONFA_MAX - 1) +#define NETCONFA_ALL -1 #define NETCONFA_IFINDEX_ALL -1 #define NETCONFA_IFINDEX_DEFAULT -2 diff --git a/include/uapi/linux/pkt_cls.h b/include/uapi/linux/pkt_cls.h index 9874f5680926..c43c5f78b9c4 100644 --- a/include/uapi/linux/pkt_cls.h +++ b/include/uapi/linux/pkt_cls.h @@ -417,6 +417,8 @@ enum { TCA_FLOWER_KEY_TCP_DST, /* be16 */ TCA_FLOWER_KEY_UDP_SRC, /* be16 */ TCA_FLOWER_KEY_UDP_DST, /* be16 */ + + TCA_FLOWER_FLAGS, __TCA_FLOWER_MAX, }; diff --git a/include/uapi/linux/tcp.h b/include/uapi/linux/tcp.h index fe95446e9abf..53e8e3fe6b1b 100644 --- a/include/uapi/linux/tcp.h +++ b/include/uapi/linux/tcp.h @@ -199,6 +199,8 @@ struct tcp_info { __u32 tcpi_notsent_bytes; __u32 tcpi_min_rtt; + __u32 tcpi_data_segs_in; /* RFC4898 tcpEStatsDataSegsIn */ + __u32 tcpi_data_segs_out; /* RFC4898 tcpEStatsDataSegsOut */ }; /* for TCP_MD5SIG socket option */ diff --git a/include/xen/interface/io/netif.h b/include/xen/interface/io/netif.h index 252ffd4801ef..4f20dbc42910 100644 --- a/include/xen/interface/io/netif.h +++ b/include/xen/interface/io/netif.h @@ -1,16 +1,34 @@ /****************************************************************************** - * netif.h + * xen_netif.h * * Unified network-device I/O interface for Xen guest OSes. * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to + * deal in the Software without restriction, including without limitation the + * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or + * sell copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + * * Copyright (c) 2003-2004, Keir Fraser */ -#ifndef __XEN_PUBLIC_IO_NETIF_H__ -#define __XEN_PUBLIC_IO_NETIF_H__ +#ifndef __XEN_PUBLIC_IO_XEN_NETIF_H__ +#define __XEN_PUBLIC_IO_XEN_NETIF_H__ -#include <xen/interface/io/ring.h> -#include <xen/interface/grant_table.h> +#include "ring.h" +#include "../grant_table.h" /* * Older implementation of Xen network frontend / backend has an @@ -38,10 +56,10 @@ * that it cannot safely queue packets (as it may not be kicked to send them). */ - /* +/* * "feature-split-event-channels" is introduced to separate guest TX - * and RX notificaion. Backend either doesn't support this feature or - * advertise it via xenstore as 0 (disabled) or 1 (enabled). + * and RX notification. Backend either doesn't support this feature or + * advertises it via xenstore as 0 (disabled) or 1 (enabled). * * To make use of this feature, frontend should allocate two event * channels for TX and RX, advertise them to backend as @@ -118,151 +136,804 @@ */ /* - * This is the 'wire' format for packets: - * Request 1: xen_netif_tx_request -- XEN_NETTXF_* (any flags) - * [Request 2: xen_netif_extra_info] (only if request 1 has XEN_NETTXF_extra_info) - * [Request 3: xen_netif_extra_info] (only if request 2 has XEN_NETIF_EXTRA_MORE) - * Request 4: xen_netif_tx_request -- XEN_NETTXF_more_data - * Request 5: xen_netif_tx_request -- XEN_NETTXF_more_data + * "feature-multicast-control" and "feature-dynamic-multicast-control" + * advertise the capability to filter ethernet multicast packets in the + * backend. If the frontend wishes to take advantage of this feature then + * it may set "request-multicast-control". If the backend only advertises + * "feature-multicast-control" then "request-multicast-control" must be set + * before the frontend moves into the connected state. The backend will + * sample the value on this state transition and any subsequent change in + * value will have no effect. However, if the backend also advertises + * "feature-dynamic-multicast-control" then "request-multicast-control" + * may be set by the frontend at any time. In this case, the backend will + * watch the value and re-sample on watch events. + * + * If the sampled value of "request-multicast-control" is set then the + * backend transmit side should no longer flood multicast packets to the + * frontend, it should instead drop any multicast packet that does not + * match in a filter list. + * The list is amended by the frontend by sending dummy transmit requests + * containing XEN_NETIF_EXTRA_TYPE_MCAST_{ADD,DEL} extra-info fragments as + * specified below. + * Note that the filter list may be amended even if the sampled value of + * "request-multicast-control" is not set, however the filter should only + * be applied if it is set. + */ + +/* + * Control ring + * ============ + * + * Some features, such as hashing (detailed below), require a + * significant amount of out-of-band data to be passed from frontend to + * backend. Use of xenstore is not suitable for large quantities of data + * because of quota limitations and so a dedicated 'control ring' is used. + * The ability of the backend to use a control ring is advertised by + * setting: + * + * /local/domain/X/backend/<domid>/<vif>/feature-ctrl-ring = "1" + * + * The frontend provides a control ring to the backend by setting: + * + * /local/domain/<domid>/device/vif/<vif>/ctrl-ring-ref = <gref> + * /local/domain/<domid>/device/vif/<vif>/event-channel-ctrl = <port> + * + * where <gref> is the grant reference of the shared page used to + * implement the control ring and <port> is an event channel to be used + * as a mailbox interrupt. These keys must be set before the frontend + * moves into the connected state. + * + * The control ring uses a fixed request/response message size and is + * balanced (i.e. one request to one response), so operationally it is much + * the same as a transmit or receive ring. + * Note that there is no requirement that responses are issued in the same + * order as requests. + */ + +/* + * Hash types + * ========== + * + * For the purposes of the definitions below, 'Packet[]' is an array of + * octets containing an IP packet without options, 'Array[X..Y]' means a + * sub-array of 'Array' containing bytes X thru Y inclusive, and '+' is + * used to indicate concatenation of arrays. + */ + +/* + * A hash calculated over an IP version 4 header as follows: + * + * Buffer[0..8] = Packet[12..15] (source address) + + * Packet[16..19] (destination address) + * + * Result = Hash(Buffer, 8) + */ +#define _XEN_NETIF_CTRL_HASH_TYPE_IPV4 0 +#define XEN_NETIF_CTRL_HASH_TYPE_IPV4 \ + (1 << _XEN_NETIF_CTRL_HASH_TYPE_IPV4) + +/* + * A hash calculated over an IP version 4 header and TCP header as + * follows: + * + * Buffer[0..12] = Packet[12..15] (source address) + + * Packet[16..19] (destination address) + + * Packet[20..21] (source port) + + * Packet[22..23] (destination port) + * + * Result = Hash(Buffer, 12) + */ +#define _XEN_NETIF_CTRL_HASH_TYPE_IPV4_TCP 1 +#define XEN_NETIF_CTRL_HASH_TYPE_IPV4_TCP \ + (1 << _XEN_NETIF_CTRL_HASH_TYPE_IPV4_TCP) + +/* + * A hash calculated over an IP version 6 header as follows: + * + * Buffer[0..32] = Packet[8..23] (source address ) + + * Packet[24..39] (destination address) + * + * Result = Hash(Buffer, 32) + */ +#define _XEN_NETIF_CTRL_HASH_TYPE_IPV6 2 +#define XEN_NETIF_CTRL_HASH_TYPE_IPV6 \ + (1 << _XEN_NETIF_CTRL_HASH_TYPE_IPV6) + +/* + * A hash calculated over an IP version 6 header and TCP header as + * follows: + * + * Buffer[0..36] = Packet[8..23] (source address) + + * Packet[24..39] (destination address) + + * Packet[40..41] (source port) + + * Packet[42..43] (destination port) + * + * Result = Hash(Buffer, 36) + */ +#define _XEN_NETIF_CTRL_HASH_TYPE_IPV6_TCP 3 +#define XEN_NETIF_CTRL_HASH_TYPE_IPV6_TCP \ + (1 << _XEN_NETIF_CTRL_HASH_TYPE_IPV6_TCP) + +/* + * Hash algorithms + * =============== + */ + +#define XEN_NETIF_CTRL_HASH_ALGORITHM_NONE 0 + +/* + * Toeplitz hash: + */ + +#define XEN_NETIF_CTRL_HASH_ALGORITHM_TOEPLITZ 1 + +/* + * This algorithm uses a 'key' as well as the data buffer itself. + * (Buffer[] and Key[] are treated as shift-registers where the MSB of + * Buffer/Key[0] is considered 'left-most' and the LSB of Buffer/Key[N-1] + * is the 'right-most'). + * + * Value = 0 + * For number of bits in Buffer[] + * If (left-most bit of Buffer[] is 1) + * Value ^= left-most 32 bits of Key[] + * Key[] << 1 + * Buffer[] << 1 + * + * The code below is provided for convenience where an operating system + * does not already provide an implementation. + */ +#ifdef XEN_NETIF_DEFINE_TOEPLITZ +static uint32_t xen_netif_toeplitz_hash(const uint8_t *key, + unsigned int keylen, + const uint8_t *buf, unsigned int buflen) +{ + unsigned int keyi, bufi; + uint64_t prefix = 0; + uint64_t hash = 0; + + /* Pre-load prefix with the first 8 bytes of the key */ + for (keyi = 0; keyi < 8; keyi++) { + prefix <<= 8; + prefix |= (keyi < keylen) ? key[keyi] : 0; + } + + for (bufi = 0; bufi < buflen; bufi++) { + uint8_t byte = buf[bufi]; + unsigned int bit; + + for (bit = 0; bit < 8; bit++) { + if (byte & 0x80) + hash ^= prefix; + prefix <<= 1; + byte <<= 1; + } + + /* + * 'prefix' has now been left-shifted by 8, so + * OR in the next byte. + */ + prefix |= (keyi < keylen) ? key[keyi] : 0; + keyi++; + } + + /* The valid part of the hash is in the upper 32 bits. */ + return hash >> 32; +} +#endif /* XEN_NETIF_DEFINE_TOEPLITZ */ + +/* + * Control requests (struct xen_netif_ctrl_request) + * ================================================ + * + * All requests have the following format: + * + * 0 1 2 3 4 5 6 7 octet + * +-----+-----+-----+-----+-----+-----+-----+-----+ + * | id | type | data[0] | + * +-----+-----+-----+-----+-----+-----+-----+-----+ + * | data[1] | data[2] | + * +-----+-----+-----+-----+-----------------------+ + * + * id: the request identifier, echoed in response. + * type: the type of request (see below) + * data[]: any data associated with the request (determined by type) + */ + +struct xen_netif_ctrl_request { + uint16_t id; + uint16_t type; + +#define XEN_NETIF_CTRL_TYPE_INVALID 0 +#define XEN_NETIF_CTRL_TYPE_GET_HASH_FLAGS 1 +#define XEN_NETIF_CTRL_TYPE_SET_HASH_FLAGS 2 +#define XEN_NETIF_CTRL_TYPE_SET_HASH_KEY 3 +#define XEN_NETIF_CTRL_TYPE_GET_HASH_MAPPING_SIZE 4 +#define XEN_NETIF_CTRL_TYPE_SET_HASH_MAPPING_SIZE 5 +#define XEN_NETIF_CTRL_TYPE_SET_HASH_MAPPING 6 +#define XEN_NETIF_CTRL_TYPE_SET_HASH_ALGORITHM 7 + + uint32_t data[3]; +}; + +/* + * Control responses (struct xen_netif_ctrl_response) + * ================================================== + * + * All responses have the following format: + * + * 0 1 2 3 4 5 6 7 octet + * +-----+-----+-----+-----+-----+-----+-----+-----+ + * | id | type | status | + * +-----+-----+-----+-----+-----+-----+-----+-----+ + * | data | + * +-----+-----+-----+-----+ + * + * id: the corresponding request identifier + * type: the type of the corresponding request + * status: the status of request processing + * data: any data associated with the response (determined by type and + * status) + */ + +struct xen_netif_ctrl_response { + uint16_t id; + uint16_t type; + uint32_t status; + +#define XEN_NETIF_CTRL_STATUS_SUCCESS 0 +#define XEN_NETIF_CTRL_STATUS_NOT_SUPPORTED 1 +#define XEN_NETIF_CTRL_STATUS_INVALID_PARAMETER 2 +#define XEN_NETIF_CTRL_STATUS_BUFFER_OVERFLOW 3 + + uint32_t data; +}; + +/* + * Control messages + * ================ + * + * XEN_NETIF_CTRL_TYPE_SET_HASH_ALGORITHM + * -------------------------------------- + * + * This is sent by the frontend to set the desired hash algorithm. + * + * Request: + * + * type = XEN_NETIF_CTRL_TYPE_SET_HASH_ALGORITHM + * data[0] = a XEN_NETIF_CTRL_HASH_ALGORITHM_* value + * data[1] = 0 + * data[2] = 0 + * + * Response: + * + * status = XEN_NETIF_CTRL_STATUS_NOT_SUPPORTED - Operation not + * supported + * XEN_NETIF_CTRL_STATUS_INVALID_PARAMETER - The algorithm is not + * supported + * XEN_NETIF_CTRL_STATUS_SUCCESS - Operation successful + * + * NOTE: Setting data[0] to XEN_NETIF_CTRL_HASH_ALGORITHM_NONE disables + * hashing and the backend is free to choose how it steers packets + * to queues (which is the default behaviour). + * + * XEN_NETIF_CTRL_TYPE_GET_HASH_FLAGS + * ---------------------------------- + * + * This is sent by the frontend to query the types of hash supported by + * the backend. + * + * Request: + * + * type = XEN_NETIF_CTRL_TYPE_GET_HASH_FLAGS + * data[0] = 0 + * data[1] = 0 + * data[2] = 0 + * + * Response: + * + * status = XEN_NETIF_CTRL_STATUS_NOT_SUPPORTED - Operation not supported + * XEN_NETIF_CTRL_STATUS_SUCCESS - Operation successful + * data = supported hash types (if operation was successful) + * + * NOTE: A valid hash algorithm must be selected before this operation can + * succeed. + * + * XEN_NETIF_CTRL_TYPE_SET_HASH_FLAGS + * ---------------------------------- + * + * This is sent by the frontend to set the types of hash that the backend + * should calculate. (See above for hash type definitions). + * Note that the 'maximal' type of hash should always be chosen. For + * example, if the frontend sets both IPV4 and IPV4_TCP hash types then + * the latter hash type should be calculated for any TCP packet and the + * former only calculated for non-TCP packets. + * + * Request: + * + * type = XEN_NETIF_CTRL_TYPE_SET_HASH_FLAGS + * data[0] = bitwise OR of XEN_NETIF_CTRL_HASH_TYPE_* values + * data[1] = 0 + * data[2] = 0 + * + * Response: + * + * status = XEN_NETIF_CTRL_STATUS_NOT_SUPPORTED - Operation not + * supported + * XEN_NETIF_CTRL_STATUS_INVALID_PARAMETER - One or more flag + * value is invalid or + * unsupported + * XEN_NETIF_CTRL_STATUS_SUCCESS - Operation successful + * data = 0 + * + * NOTE: A valid hash algorithm must be selected before this operation can + * succeed. + * Also, setting data[0] to zero disables hashing and the backend + * is free to choose how it steers packets to queues. + * + * XEN_NETIF_CTRL_TYPE_SET_HASH_KEY + * -------------------------------- + * + * This is sent by the frontend to set the key of the hash if the algorithm + * requires it. (See hash algorithms above). + * + * Request: + * + * type = XEN_NETIF_CTRL_TYPE_SET_HASH_KEY + * data[0] = grant reference of page containing the key (assumed to + * start at beginning of grant) + * data[1] = size of key in octets + * data[2] = 0 + * + * Response: + * + * status = XEN_NETIF_CTRL_STATUS_NOT_SUPPORTED - Operation not + * supported + * XEN_NETIF_CTRL_STATUS_INVALID_PARAMETER - Key size is invalid + * XEN_NETIF_CTRL_STATUS_BUFFER_OVERFLOW - Key size is larger + * than the backend + * supports + * XEN_NETIF_CTRL_STATUS_SUCCESS - Operation successful + * data = 0 + * + * NOTE: Any key octets not specified are assumed to be zero (the key + * is assumed to be empty by default) and specifying a new key + * invalidates any previous key, hence specifying a key size of + * zero will clear the key (which ensures that the calculated hash + * will always be zero). + * The maximum size of key is algorithm and backend specific, but + * is also limited by the single grant reference. + * The grant reference may be read-only and must remain valid until + * the response has been processed. + * + * XEN_NETIF_CTRL_TYPE_GET_HASH_MAPPING_SIZE + * ----------------------------------------- + * + * This is sent by the frontend to query the maximum size of mapping + * table supported by the backend. The size is specified in terms of + * table entries. + * + * Request: + * + * type = XEN_NETIF_CTRL_TYPE_GET_HASH_MAPPING_SIZE + * data[0] = 0 + * data[1] = 0 + * data[2] = 0 + * + * Response: + * + * status = XEN_NETIF_CTRL_STATUS_NOT_SUPPORTED - Operation not supported + * XEN_NETIF_CTRL_STATUS_SUCCESS - Operation successful + * data = maximum number of entries allowed in the mapping table + * (if operation was successful) or zero if a mapping table is + * not supported (i.e. hash mapping is done only by modular + * arithmetic). + * + * XEN_NETIF_CTRL_TYPE_SET_HASH_MAPPING_SIZE + * ------------------------------------- + * + * This is sent by the frontend to set the actual size of the mapping + * table to be used by the backend. The size is specified in terms of + * table entries. + * Any previous table is invalidated by this message and any new table + * is assumed to be zero filled. + * + * Request: + * + * type = XEN_NETIF_CTRL_TYPE_SET_HASH_MAPPING_SIZE + * data[0] = number of entries in mapping table + * data[1] = 0 + * data[2] = 0 + * + * Response: + * + * status = XEN_NETIF_CTRL_STATUS_NOT_SUPPORTED - Operation not + * supported + * XEN_NETIF_CTRL_STATUS_INVALID_PARAMETER - Table size is invalid + * XEN_NETIF_CTRL_STATUS_SUCCESS - Operation successful + * data = 0 + * + * NOTE: Setting data[0] to 0 means that hash mapping should be done + * using modular arithmetic. + * + * XEN_NETIF_CTRL_TYPE_SET_HASH_MAPPING + * ------------------------------------ + * + * This is sent by the frontend to set the content of the table mapping + * hash value to queue number. The backend should calculate the hash from + * the packet header, use it as an index into the table (modulo the size + * of the table) and then steer the packet to the queue number found at + * that index. + * + * Request: + * + * type = XEN_NETIF_CTRL_TYPE_SET_HASH_MAPPING + * data[0] = grant reference of page containing the mapping (sub-)table + * (assumed to start at beginning of grant) + * data[1] = size of (sub-)table in entries + * data[2] = offset, in entries, of sub-table within overall table + * + * Response: + * + * status = XEN_NETIF_CTRL_STATUS_NOT_SUPPORTED - Operation not + * supported + * XEN_NETIF_CTRL_STATUS_INVALID_PARAMETER - Table size or content + * is invalid + * XEN_NETIF_CTRL_STATUS_BUFFER_OVERFLOW - Table size is larger + * than the backend + * supports + * XEN_NETIF_CTRL_STATUS_SUCCESS - Operation successful + * data = 0 + * + * NOTE: The overall table has the following format: + * + * 0 1 2 3 4 5 6 7 octet + * +-----+-----+-----+-----+-----+-----+-----+-----+ + * | mapping[0] | mapping[1] | + * +-----+-----+-----+-----+-----+-----+-----+-----+ + * | . | + * | . | + * | . | + * +-----+-----+-----+-----+-----+-----+-----+-----+ + * | mapping[N-2] | mapping[N-1] | + * +-----+-----+-----+-----+-----+-----+-----+-----+ + * + * where N is specified by a XEN_NETIF_CTRL_TYPE_SET_HASH_MAPPING_SIZE + * message and each mapping must specifies a queue between 0 and + * "multi-queue-num-queues" (see above). + * The backend may support a mapping table larger than can be + * mapped by a single grant reference. Thus sub-tables within a + * larger table can be individually set by sending multiple messages + * with differing offset values. Specifying a new sub-table does not + * invalidate any table data outside that range. + * The grant reference may be read-only and must remain valid until + * the response has been processed. + */ + +DEFINE_RING_TYPES(xen_netif_ctrl, + struct xen_netif_ctrl_request, + struct xen_netif_ctrl_response); + +/* + * Guest transmit + * ============== + * + * This is the 'wire' format for transmit (frontend -> backend) packets: + * + * Fragment 1: xen_netif_tx_request_t - flags = XEN_NETTXF_* + * size = total packet size + * [Extra 1: xen_netif_extra_info_t] - (only if fragment 1 flags include + * XEN_NETTXF_extra_info) + * ... + * [Extra N: xen_netif_extra_info_t] - (only if extra N-1 flags include + * XEN_NETIF_EXTRA_MORE) * ... - * Request N: xen_netif_tx_request -- 0 + * Fragment N: xen_netif_tx_request_t - (only if fragment N-1 flags include + * XEN_NETTXF_more_data - flags on preceding + * extras are not relevant here) + * flags = 0 + * size = fragment size + * + * NOTE: + * + * This format slightly is different from that used for receive + * (backend -> frontend) packets. Specifically, in a multi-fragment + * packet the actual size of fragment 1 can only be determined by + * subtracting the sizes of fragments 2..N from the total packet size. + * + * Ring slot size is 12 octets, however not all request/response + * structs use the full size. + * + * tx request data (xen_netif_tx_request_t) + * ------------------------------------ + * + * 0 1 2 3 4 5 6 7 octet + * +-----+-----+-----+-----+-----+-----+-----+-----+ + * | grant ref | offset | flags | + * +-----+-----+-----+-----+-----+-----+-----+-----+ + * | id | size | + * +-----+-----+-----+-----+ + * + * grant ref: Reference to buffer page. + * offset: Offset within buffer page. + * flags: XEN_NETTXF_*. + * id: request identifier, echoed in response. + * size: packet size in bytes. + * + * tx response (xen_netif_tx_response_t) + * --------------------------------- + * + * 0 1 2 3 4 5 6 7 octet + * +-----+-----+-----+-----+-----+-----+-----+-----+ + * | id | status | unused | + * +-----+-----+-----+-----+-----+-----+-----+-----+ + * | unused | + * +-----+-----+-----+-----+ + * + * id: reflects id in transmit request + * status: XEN_NETIF_RSP_* + * + * Guest receive + * ============= + * + * This is the 'wire' format for receive (backend -> frontend) packets: + * + * Fragment 1: xen_netif_rx_request_t - flags = XEN_NETRXF_* + * size = fragment size + * [Extra 1: xen_netif_extra_info_t] - (only if fragment 1 flags include + * XEN_NETRXF_extra_info) + * ... + * [Extra N: xen_netif_extra_info_t] - (only if extra N-1 flags include + * XEN_NETIF_EXTRA_MORE) + * ... + * Fragment N: xen_netif_rx_request_t - (only if fragment N-1 flags include + * XEN_NETRXF_more_data - flags on preceding + * extras are not relevant here) + * flags = 0 + * size = fragment size + * + * NOTE: + * + * This format slightly is different from that used for transmit + * (frontend -> backend) packets. Specifically, in a multi-fragment + * packet the size of the packet can only be determined by summing the + * sizes of fragments 1..N. + * + * Ring slot size is 8 octets. + * + * rx request (xen_netif_rx_request_t) + * ------------------------------- + * + * 0 1 2 3 4 5 6 7 octet + * +-----+-----+-----+-----+-----+-----+-----+-----+ + * | id | pad | gref | + * +-----+-----+-----+-----+-----+-----+-----+-----+ + * + * id: request identifier, echoed in response. + * gref: reference to incoming granted frame. + * + * rx response (xen_netif_rx_response_t) + * --------------------------------- + * + * 0 1 2 3 4 5 6 7 octet + * +-----+-----+-----+-----+-----+-----+-----+-----+ + * | id | offset | flags | status | + * +-----+-----+-----+-----+-----+-----+-----+-----+ + * + * id: reflects id in receive request + * offset: offset in page of start of received packet + * flags: XEN_NETRXF_* + * status: -ve: XEN_NETIF_RSP_*; +ve: Rx'ed pkt size. + * + * NOTE: Historically, to support GSO on the frontend receive side, Linux + * netfront does not make use of the rx response id (because, as + * described below, extra info structures overlay the id field). + * Instead it assumes that responses always appear in the same ring + * slot as their corresponding request. Thus, to maintain + * compatibility, backends must make sure this is the case. + * + * Extra Info + * ========== + * + * Can be present if initial request or response has NET{T,R}XF_extra_info, + * or previous extra request has XEN_NETIF_EXTRA_MORE. + * + * The struct therefore needs to fit into either a tx or rx slot and + * is therefore limited to 8 octets. + * + * NOTE: Because extra info data overlays the usual request/response + * structures, there is no id information in the opposite direction. + * So, if an extra info overlays an rx response the frontend can + * assume that it is in the same ring slot as the request that was + * consumed to make the slot available, and the backend must ensure + * this assumption is true. + * + * extra info (xen_netif_extra_info_t) + * ------------------------------- + * + * General format: + * + * 0 1 2 3 4 5 6 7 octet + * +-----+-----+-----+-----+-----+-----+-----+-----+ + * |type |flags| type specific data | + * +-----+-----+-----+-----+-----+-----+-----+-----+ + * | padding for tx | + * +-----+-----+-----+-----+ + * + * type: XEN_NETIF_EXTRA_TYPE_* + * flags: XEN_NETIF_EXTRA_FLAG_* + * padding for tx: present only in the tx case due to 8 octet limit + * from rx case. Not shown in type specific entries + * below. + * + * XEN_NETIF_EXTRA_TYPE_GSO: + * + * 0 1 2 3 4 5 6 7 octet + * +-----+-----+-----+-----+-----+-----+-----+-----+ + * |type |flags| size |type | pad | features | + * +-----+-----+-----+-----+-----+-----+-----+-----+ + * + * type: Must be XEN_NETIF_EXTRA_TYPE_GSO + * flags: XEN_NETIF_EXTRA_FLAG_* + * size: Maximum payload size of each segment. For example, + * for TCP this is just the path MSS. + * type: XEN_NETIF_GSO_TYPE_*: This determines the protocol of + * the packet and any extra features required to segment the + * packet properly. + * features: EN_XEN_NETIF_GSO_FEAT_*: This specifies any extra GSO + * features required to process this packet, such as ECN + * support for TCPv4. + * + * XEN_NETIF_EXTRA_TYPE_MCAST_{ADD,DEL}: + * + * 0 1 2 3 4 5 6 7 octet + * +-----+-----+-----+-----+-----+-----+-----+-----+ + * |type |flags| addr | + * +-----+-----+-----+-----+-----+-----+-----+-----+ + * + * type: Must be XEN_NETIF_EXTRA_TYPE_MCAST_{ADD,DEL} + * flags: XEN_NETIF_EXTRA_FLAG_* + * addr: address to add/remove + * + * XEN_NETIF_EXTRA_TYPE_HASH: + * + * A backend that supports teoplitz hashing is assumed to accept + * this type of extra info in transmit packets. + * A frontend that enables hashing is assumed to accept + * this type of extra info in receive packets. + * + * 0 1 2 3 4 5 6 7 octet + * +-----+-----+-----+-----+-----+-----+-----+-----+ + * |type |flags|htype| alg |LSB ---- value ---- MSB| + * +-----+-----+-----+-----+-----+-----+-----+-----+ + * + * type: Must be XEN_NETIF_EXTRA_TYPE_HASH + * flags: XEN_NETIF_EXTRA_FLAG_* + * htype: Hash type (one of _XEN_NETIF_CTRL_HASH_TYPE_* - see above) + * alg: The algorithm used to calculate the hash (one of + * XEN_NETIF_CTRL_HASH_TYPE_ALGORITHM_* - see above) + * value: Hash value */ /* Protocol checksum field is blank in the packet (hardware offload)? */ -#define _XEN_NETTXF_csum_blank (0) -#define XEN_NETTXF_csum_blank (1U<<_XEN_NETTXF_csum_blank) +#define _XEN_NETTXF_csum_blank (0) +#define XEN_NETTXF_csum_blank (1U<<_XEN_NETTXF_csum_blank) /* Packet data has been validated against protocol checksum. */ -#define _XEN_NETTXF_data_validated (1) -#define XEN_NETTXF_data_validated (1U<<_XEN_NETTXF_data_validated) +#define _XEN_NETTXF_data_validated (1) +#define XEN_NETTXF_data_validated (1U<<_XEN_NETTXF_data_validated) /* Packet continues in the next request descriptor. */ -#define _XEN_NETTXF_more_data (2) -#define XEN_NETTXF_more_data (1U<<_XEN_NETTXF_more_data) +#define _XEN_NETTXF_more_data (2) +#define XEN_NETTXF_more_data (1U<<_XEN_NETTXF_more_data) /* Packet to be followed by extra descriptor(s). */ -#define _XEN_NETTXF_extra_info (3) -#define XEN_NETTXF_extra_info (1U<<_XEN_NETTXF_extra_info) +#define _XEN_NETTXF_extra_info (3) +#define XEN_NETTXF_extra_info (1U<<_XEN_NETTXF_extra_info) #define XEN_NETIF_MAX_TX_SIZE 0xFFFF struct xen_netif_tx_request { - grant_ref_t gref; /* Reference to buffer page */ - uint16_t offset; /* Offset within buffer page */ - uint16_t flags; /* XEN_NETTXF_* */ - uint16_t id; /* Echoed in response message. */ - uint16_t size; /* Packet size in bytes. */ + grant_ref_t gref; + uint16_t offset; + uint16_t flags; + uint16_t id; + uint16_t size; }; /* Types of xen_netif_extra_info descriptors. */ -#define XEN_NETIF_EXTRA_TYPE_NONE (0) /* Never used - invalid */ -#define XEN_NETIF_EXTRA_TYPE_GSO (1) /* u.gso */ -#define XEN_NETIF_EXTRA_TYPE_MCAST_ADD (2) /* u.mcast */ -#define XEN_NETIF_EXTRA_TYPE_MCAST_DEL (3) /* u.mcast */ -#define XEN_NETIF_EXTRA_TYPE_MAX (4) +#define XEN_NETIF_EXTRA_TYPE_NONE (0) /* Never used - invalid */ +#define XEN_NETIF_EXTRA_TYPE_GSO (1) /* u.gso */ +#define XEN_NETIF_EXTRA_TYPE_MCAST_ADD (2) /* u.mcast */ +#define XEN_NETIF_EXTRA_TYPE_MCAST_DEL (3) /* u.mcast */ +#define XEN_NETIF_EXTRA_TYPE_HASH (4) /* u.hash */ +#define XEN_NETIF_EXTRA_TYPE_MAX (5) -/* xen_netif_extra_info flags. */ -#define _XEN_NETIF_EXTRA_FLAG_MORE (0) -#define XEN_NETIF_EXTRA_FLAG_MORE (1U<<_XEN_NETIF_EXTRA_FLAG_MORE) +/* xen_netif_extra_info_t flags. */ +#define _XEN_NETIF_EXTRA_FLAG_MORE (0) +#define XEN_NETIF_EXTRA_FLAG_MORE (1U<<_XEN_NETIF_EXTRA_FLAG_MORE) /* GSO types */ -#define XEN_NETIF_GSO_TYPE_NONE (0) -#define XEN_NETIF_GSO_TYPE_TCPV4 (1) -#define XEN_NETIF_GSO_TYPE_TCPV6 (2) +#define XEN_NETIF_GSO_TYPE_NONE (0) +#define XEN_NETIF_GSO_TYPE_TCPV4 (1) +#define XEN_NETIF_GSO_TYPE_TCPV6 (2) /* - * This structure needs to fit within both netif_tx_request and - * netif_rx_response for compatibility. + * This structure needs to fit within both xen_netif_tx_request_t and + * xen_netif_rx_response_t for compatibility. */ struct xen_netif_extra_info { - uint8_t type; /* XEN_NETIF_EXTRA_TYPE_* */ - uint8_t flags; /* XEN_NETIF_EXTRA_FLAG_* */ - + uint8_t type; + uint8_t flags; union { struct { - /* - * Maximum payload size of each segment. For - * example, for TCP this is just the path MSS. - */ uint16_t size; - - /* - * GSO type. This determines the protocol of - * the packet and any extra features required - * to segment the packet properly. - */ - uint8_t type; /* XEN_NETIF_GSO_TYPE_* */ - - /* Future expansion. */ + uint8_t type; uint8_t pad; - - /* - * GSO features. This specifies any extra GSO - * features required to process this packet, - * such as ECN support for TCPv4. - */ - uint16_t features; /* XEN_NETIF_GSO_FEAT_* */ + uint16_t features; } gso; - struct { - uint8_t addr[6]; /* Address to add/remove. */ + uint8_t addr[6]; } mcast; - + struct { + uint8_t type; + uint8_t algorithm; + uint8_t value[4]; + } hash; uint16_t pad[3]; } u; }; struct xen_netif_tx_response { uint16_t id; - int16_t status; /* XEN_NETIF_RSP_* */ + int16_t status; }; struct xen_netif_rx_request { - uint16_t id; /* Echoed in response message. */ - grant_ref_t gref; /* Reference to incoming granted frame */ + uint16_t id; /* Echoed in response message. */ + uint16_t pad; + grant_ref_t gref; }; /* Packet data has been validated against protocol checksum. */ -#define _XEN_NETRXF_data_validated (0) -#define XEN_NETRXF_data_validated (1U<<_XEN_NETRXF_data_validated) +#define _XEN_NETRXF_data_validated (0) +#define XEN_NETRXF_data_validated (1U<<_XEN_NETRXF_data_validated) /* Protocol checksum field is blank in the packet (hardware offload)? */ -#define _XEN_NETRXF_csum_blank (1) -#define XEN_NETRXF_csum_blank (1U<<_XEN_NETRXF_csum_blank) +#define _XEN_NETRXF_csum_blank (1) +#define XEN_NETRXF_csum_blank (1U<<_XEN_NETRXF_csum_blank) /* Packet continues in the next request descriptor. */ -#define _XEN_NETRXF_more_data (2) -#define XEN_NETRXF_more_data (1U<<_XEN_NETRXF_more_data) +#define _XEN_NETRXF_more_data (2) +#define XEN_NETRXF_more_data (1U<<_XEN_NETRXF_more_data) /* Packet to be followed by extra descriptor(s). */ -#define _XEN_NETRXF_extra_info (3) -#define XEN_NETRXF_extra_info (1U<<_XEN_NETRXF_extra_info) +#define _XEN_NETRXF_extra_info (3) +#define XEN_NETRXF_extra_info (1U<<_XEN_NETRXF_extra_info) -/* GSO Prefix descriptor. */ -#define _XEN_NETRXF_gso_prefix (4) -#define XEN_NETRXF_gso_prefix (1U<<_XEN_NETRXF_gso_prefix) +/* Packet has GSO prefix. Deprecated but included for compatibility */ +#define _XEN_NETRXF_gso_prefix (4) +#define XEN_NETRXF_gso_prefix (1U<<_XEN_NETRXF_gso_prefix) struct xen_netif_rx_response { - uint16_t id; - uint16_t offset; /* Offset in page of start of received packet */ - uint16_t flags; /* XEN_NETRXF_* */ - int16_t status; /* -ve: BLKIF_RSP_* ; +ve: Rx'ed pkt size. */ + uint16_t id; + uint16_t offset; + uint16_t flags; + int16_t status; }; /* - * Generate netif ring structures and types. + * Generate xen_netif ring structures and types. */ -DEFINE_RING_TYPES(xen_netif_tx, - struct xen_netif_tx_request, +DEFINE_RING_TYPES(xen_netif_tx, struct xen_netif_tx_request, struct xen_netif_tx_response); -DEFINE_RING_TYPES(xen_netif_rx, - struct xen_netif_rx_request, +DEFINE_RING_TYPES(xen_netif_rx, struct xen_netif_rx_request, struct xen_netif_rx_response); -#define XEN_NETIF_RSP_DROPPED -2 -#define XEN_NETIF_RSP_ERROR -1 -#define XEN_NETIF_RSP_OKAY 0 -/* No response: used for auxiliary requests (e.g., xen_netif_extra_info). */ -#define XEN_NETIF_RSP_NULL 1 +#define XEN_NETIF_RSP_DROPPED -2 +#define XEN_NETIF_RSP_ERROR -1 +#define XEN_NETIF_RSP_OKAY 0 +/* No response: used for auxiliary requests (e.g., xen_netif_extra_info_t). */ +#define XEN_NETIF_RSP_NULL 1 #endif |
