/* Key of an a BPF_MAP_TYPE_LPM_TRIE entry */
struct bpf_lpm_trie_key {
__u32 prefixlen; /* up to 32 for AF_INET, 128 for AF_INET6 */
- __u8 data[]; /* Arbitrary size */
+ __u8 data[0]; /* Arbitrary size */
};
struct bpf_cgroup_storage_key {
__u32 attach_type; /* program attach type (enum bpf_attach_type) */
};
+enum bpf_cgroup_iter_order {
+ BPF_CGROUP_ITER_ORDER_UNSPEC = 0,
+ BPF_CGROUP_ITER_SELF_ONLY, /* process only a single object. */
+ BPF_CGROUP_ITER_DESCENDANTS_PRE, /* walk descendants in pre-order. */
+ BPF_CGROUP_ITER_DESCENDANTS_POST, /* walk descendants in post-order. */
+ BPF_CGROUP_ITER_ANCESTORS_UP, /* walk ancestors upward. */
+};
+
union bpf_iter_link_info {
struct {
__u32 map_fd;
} map;
+ struct {
+ enum bpf_cgroup_iter_order order;
+
+ /* At most one of cgroup_fd and cgroup_id can be non-zero. If
+ * both are zero, the walk starts from the default cgroup v2
+ * root. For walking v1 hierarchy, one should always explicitly
+ * specify cgroup_fd.
+ */
+ __u32 cgroup_fd;
+ __u64 cgroup_id;
+ } cgroup;
};
/* BPF syscall commands, see bpf(2) man-page for more details. */
*
* **-EEXIST** if the option already exists.
*
- * **-EFAULT** on failrue to parse the existing header options.
+ * **-EFAULT** on failure to parse the existing header options.
*
* **-EPERM** if the helper cannot be used under the current
* *skops*\ **->op**.
* a *map* with *task* as the **key**. From this
* perspective, the usage is not much different from
* **bpf_map_lookup_elem**\ (*map*, **&**\ *task*) except this
- * helper enforces the key must be an task_struct and the map must also
+ * helper enforces the key must be a task_struct and the map must also
* be a **BPF_MAP_TYPE_TASK_STORAGE**.
*
* Underneath, the value is stored locally at *task* instead of
*
* long bpf_ima_inode_hash(struct inode *inode, void *dst, u32 size)
* Description
- * Returns the stored IMA hash of the *inode* (if it's avaialable).
+ * Returns the stored IMA hash of the *inode* (if it's available).
* If the hash is larger than *size*, then only *size*
* bytes will be copied to *dst*
* Return
*
* The argument *len_diff* can be used for querying with a planned
* size change. This allows to check MTU prior to changing packet
- * ctx. Providing an *len_diff* adjustment that is larger than the
+ * ctx. Providing a *len_diff* adjustment that is larger than the
* actual packet size (resulting in negative packet size) will in
- * principle not exceed the MTU, why it is not considered a
- * failure. Other BPF-helpers are needed for performing the
- * planned size change, why the responsability for catch a negative
- * packet size belong in those helpers.
+ * principle not exceed the MTU, which is why it is not considered
+ * a failure. Other BPF helpers are needed for performing the
+ * planned size change; therefore the responsibility for catching
+ * a negative packet size belongs in those helpers.
*
* Specifying *ifindex* zero means the MTU check is performed
* against the current net device. This is practical if this isn't
*
* int bpf_get_retval(void)
* Description
- * Get the syscall's return value that will be returned to userspace.
+ * Get the BPF program's return value that will be returned to the upper layers.
*
- * This helper is currently supported by cgroup programs only.
+ * This helper is currently supported by cgroup programs and only by the hooks
+ * where BPF program's return value is returned to the userspace via errno.
* Return
- * The syscall's return value.
+ * The BPF program's return value.
*
* int bpf_set_retval(int retval)
* Description
- * Set the syscall's return value that will be returned to userspace.
+ * Set the BPF program's return value that will be returned to the upper layers.
+ *
+ * This helper is currently supported by cgroup programs and only by the hooks
+ * where BPF program's return value is returned to the userspace via errno.
+ *
+ * Note that there is the following corner case where the program exports an error
+ * via bpf_set_retval but signals success via 'return 1':
+ *
+ * bpf_set_retval(-EPERM);
+ * return 1;
+ *
+ * In this case, the BPF program's return value will use helper's -EPERM. This
+ * still holds true for cgroup/bind{4,6} which supports extra 'return 3' success case.
*
- * This helper is currently supported by cgroup programs only.
* Return
* 0 on success, or a negative error in case of failure.
*
BPF_F_SEQ_NUMBER = (1ULL << 3),
};
+/* BPF_FUNC_skb_get_tunnel_key flags. */
+enum {
+ BPF_F_TUNINFO_FLAGS = (1ULL << 4),
+};
+
/* BPF_FUNC_perf_event_output, BPF_FUNC_perf_event_read and
* BPF_FUNC_perf_event_read_value flags.
*/
};
__u8 tunnel_tos;
__u8 tunnel_ttl;
- __u16 tunnel_ext; /* Padding, future use. */
+ union {
+ __u16 tunnel_ext; /* compat */
+ __be16 tunnel_flags;
+ };
__u32 tunnel_label;
union {
__u32 local_ipv4;
* represented by BPF_REDIRECT above).
*/
BPF_LWT_REROUTE = 128,
+ /* BPF_FLOW_DISSECTOR_CONTINUE: used by BPF_PROG_TYPE_FLOW_DISSECTOR
+ * to indicate that no custom dissection was performed, and
+ * fallback to standard dissector is requested.
+ */
+ BPF_FLOW_DISSECTOR_CONTINUE = 129,
};
struct bpf_sock {
struct {
__aligned_u64 target_name; /* in/out: target_name buffer ptr */
__u32 target_name_len; /* in/out: target_name buffer len */
+
+ /* If the iter specific field is 32 bits, it can be put
+ * in the first or second union. Otherwise it should be
+ * put in the second union.
+ */
union {
struct {
__u32 map_id;
} map;
};
+ union {
+ struct {
+ __u64 cgroup_id;
+ __u32 order;
+ } cgroup;
+ };
} iter;
struct {
__u32 netns_ino;
#include <linux/types.h>
#include <linux/socket.h>
+#include <linux/stddef.h> /* for offsetof */
/* controller area network (CAN) kernel definitions */
#define CAN_SFF_MASK 0x000007FFU /* standard frame format (SFF) */
#define CAN_EFF_MASK 0x1FFFFFFFU /* extended frame format (EFF) */
#define CAN_ERR_MASK 0x1FFFFFFFU /* omit EFF, RTR, ERR flags */
+#define CANXL_PRIO_MASK CAN_SFF_MASK /* 11 bit priority mask */
/*
* Controller Area Network Identifier structure
#define CAN_SFF_ID_BITS 11
#define CAN_EFF_ID_BITS 29
+#define CANXL_PRIO_BITS CAN_SFF_ID_BITS
/*
* Controller Area Network Error Message Frame Mask structure
#define CANFD_MAX_DLC 15
#define CANFD_MAX_DLEN 64
+/*
+ * CAN XL payload length and DLC definitions according to ISO 11898-1
+ * CAN XL DLC ranges from 0 .. 2047 => data length from 1 .. 2048 byte
+ */
+#define CANXL_MIN_DLC 0
+#define CANXL_MAX_DLC 2047
+#define CANXL_MAX_DLC_MASK 0x07FF
+#define CANXL_MIN_DLEN 1
+#define CANXL_MAX_DLEN 2048
+
/**
* struct can_frame - Classical CAN frame structure (aka CAN 2.0B)
* @can_id: CAN ID of the frame and CAN_*_FLAG flags, see canid_t definition
* When this is done the former differentiation via CAN_MTU / CANFD_MTU gets
* lost. CANFD_FDF allows programmers to mark CAN FD frames in the case of
* using struct canfd_frame for mixed CAN / CAN FD content (dual use).
- * N.B. the Kernel APIs do NOT provide mixed CAN / CAN FD content inside of
- * struct canfd_frame therefore the CANFD_FDF flag is disregarded by Linux.
+ * Since the introduction of CAN XL the CANFD_FDF flag is set in all CAN FD
+ * frame structures provided by the CAN subsystem of the Linux kernel.
*/
#define CANFD_BRS 0x01 /* bit rate switch (second bitrate for payload data) */
#define CANFD_ESI 0x02 /* error state indicator of the transmitting node */
__u8 data[CANFD_MAX_DLEN] __attribute__((aligned(8)));
};
+/*
+ * defined bits for canxl_frame.flags
+ *
+ * The canxl_frame.flags element contains two bits CANXL_XLF and CANXL_SEC
+ * and shares the relative position of the struct can[fd]_frame.len element.
+ * The CANXL_XLF bit ALWAYS needs to be set to indicate a valid CAN XL frame.
+ * As a side effect setting this bit intentionally breaks the length checks
+ * for Classical CAN and CAN FD frames.
+ *
+ * Undefined bits in canxl_frame.flags are reserved and shall be set to zero.
+ */
+#define CANXL_XLF 0x80 /* mandatory CAN XL frame flag (must always be set!) */
+#define CANXL_SEC 0x01 /* Simple Extended Content (security/segmentation) */
+
+/**
+ * struct canxl_frame - CAN with e'X'tended frame 'L'ength frame structure
+ * @prio: 11 bit arbitration priority with zero'ed CAN_*_FLAG flags
+ * @flags: additional flags for CAN XL
+ * @sdt: SDU (service data unit) type
+ * @len: frame payload length in byte (CANXL_MIN_DLEN .. CANXL_MAX_DLEN)
+ * @af: acceptance field
+ * @data: CAN XL frame payload (CANXL_MIN_DLEN .. CANXL_MAX_DLEN byte)
+ *
+ * @prio shares the same position as @can_id from struct can[fd]_frame.
+ */
+struct canxl_frame {
+ canid_t prio; /* 11 bit priority for arbitration (canid_t) */
+ __u8 flags; /* additional flags for CAN XL */
+ __u8 sdt; /* SDU (service data unit) type */
+ __u16 len; /* frame payload length in byte */
+ __u32 af; /* acceptance field */
+ __u8 data[CANXL_MAX_DLEN];
+};
+
#define CAN_MTU (sizeof(struct can_frame))
#define CANFD_MTU (sizeof(struct canfd_frame))
+#define CANXL_MTU (sizeof(struct canxl_frame))
+#define CANXL_HDR_SIZE (offsetof(struct canxl_frame, data))
+#define CANXL_MIN_MTU (CANXL_HDR_SIZE + 64)
+#define CANXL_MAX_MTU CANXL_MTU
/* particular protocols of the protocol family PF_CAN */
#define CAN_RAW 1 /* RAW sockets */
#define ETH_P_LOCALTALK 0x0009 /* Localtalk pseudo type */
#define ETH_P_CAN 0x000C /* CAN: Controller Area Network */
#define ETH_P_CANFD 0x000D /* CANFD: CAN flexible data rate*/
+#define ETH_P_CANXL 0x000E /* CANXL: eXtended frame Length */
#define ETH_P_PPPTALK 0x0010 /* Dummy type for Atalk over PPP*/
#define ETH_P_TR_802_2 0x0011 /* 802.2 frames */
#define ETH_P_MOBITEX 0x0015 /* Mobitex (kaz@cafe.net) */
IFLA_GRO_MAX_SIZE,
IFLA_TSO_MAX_SIZE,
IFLA_TSO_MAX_SEGS,
+ IFLA_ALLMULTI, /* Allmulti count: > 0 means acts ALLMULTI */
__IFLA_MAX
};
#define IFLA_MCTP_MAX (__IFLA_MCTP_MAX - 1)
+/* DSA section */
+
+enum {
+ IFLA_DSA_UNSPEC,
+ IFLA_DSA_MASTER,
+ __IFLA_DSA_MAX,
+};
+
+#define IFLA_DSA_MAX (__IFLA_DSA_MAX - 1)
+
#endif /* _LINUX_IF_LINK_H */
#define IPPROTO_PIM IPPROTO_PIM
IPPROTO_COMP = 108, /* Compression Header Protocol */
#define IPPROTO_COMP IPPROTO_COMP
+ IPPROTO_L2TP = 115, /* Layer 2 Tunnelling Protocol */
+#define IPPROTO_L2TP IPPROTO_L2TP
IPPROTO_SCTP = 132, /* Stream Control Transport Protocol */
#define IPPROTO_SCTP IPPROTO_SCTP
IPPROTO_UDPLITE = 136, /* UDP-Lite (RFC 3828) */
};
struct ip_msfilter {
+ __be32 imsf_multiaddr;
+ __be32 imsf_interface;
+ __u32 imsf_fmode;
+ __u32 imsf_numsrc;
union {
- struct {
- __be32 imsf_multiaddr_aux;
- __be32 imsf_interface_aux;
- __u32 imsf_fmode_aux;
- __u32 imsf_numsrc_aux;
- __be32 imsf_slist[1];
- };
- struct {
- __be32 imsf_multiaddr;
- __be32 imsf_interface;
- __u32 imsf_fmode;
- __u32 imsf_numsrc;
- __be32 imsf_slist_flex[];
- };
+ __be32 imsf_slist[1];
+ __DECLARE_FLEX_ARRAY(__be32, imsf_slist_flex);
};
};
#include <linux/in.h>
#include <linux/in6.h>
-#define IPPROTO_L2TP 115
-
/**
* struct sockaddr_l2tpip - the sockaddr structure for L2TP-over-IP sockets
* @l2tp_family: address family number AF_L2TPIP.
* Patrick Schaaf <bof@bof.de>
* Martin Josefsson <gandalf@wlug.westbo.se>
* Copyright (C) 2003-2011 Jozsef Kadlecsik <kadlec@netfilter.org>
- *
- * 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.
*/
#ifndef _IP_SET_H
#define _IP_SET_H
TCA_FLOWER_KEY_PPPOE_SID, /* be16 */
TCA_FLOWER_KEY_PPP_PROTO, /* be16 */
+ TCA_FLOWER_KEY_L2TPV3_SID, /* be32 */
+
__TCA_FLOWER_MAX,
};
SEG6_LOCAL_BPF,
SEG6_LOCAL_VRFTABLE,
SEG6_LOCAL_COUNTERS,
+ SEG6_LOCAL_FLAVORS,
__SEG6_LOCAL_MAX,
};
#define SEG6_LOCAL_MAX (__SEG6_LOCAL_MAX - 1)
#define SEG6_LOCAL_CNT_MAX (__SEG6_LOCAL_CNT_MAX - 1)
+/* SRv6 End* Flavor attributes */
+enum {
+ SEG6_LOCAL_FLV_UNSPEC,
+ SEG6_LOCAL_FLV_OPERATION,
+ SEG6_LOCAL_FLV_LCBLOCK_BITS,
+ SEG6_LOCAL_FLV_LCNODE_FN_BITS,
+ __SEG6_LOCAL_FLV_MAX,
+};
+
+#define SEG6_LOCAL_FLV_MAX (__SEG6_LOCAL_FLV_MAX - 1)
+
+/* Designed flavor operations for SRv6 End* Behavior */
+enum {
+ SEG6_LOCAL_FLV_OP_UNSPEC,
+ SEG6_LOCAL_FLV_OP_PSP,
+ SEG6_LOCAL_FLV_OP_USP,
+ SEG6_LOCAL_FLV_OP_USD,
+ SEG6_LOCAL_FLV_OP_NEXT_CSID,
+ __SEG6_LOCAL_FLV_OP_MAX
+};
+
+#define SEG6_LOCAL_FLV_OP_MAX (__SEG6_LOCAL_FLV_OP_MAX - 1)
+
#endif
#define VIRTIO_NET_F_MQ 22 /* Device supports Receive Flow
* Steering */
#define VIRTIO_NET_F_CTRL_MAC_ADDR 23 /* Set MAC address */
-#define VIRTIO_NET_F_NOTF_COAL 53 /* Guest can handle notifications coalescing */
+#define VIRTIO_NET_F_NOTF_COAL 53 /* Device supports notifications coalescing */
#define VIRTIO_NET_F_HASH_REPORT 57 /* Supports hash report */
#define VIRTIO_NET_F_RSS 60 /* Supports RSS RX steering */
#define VIRTIO_NET_F_RSC_EXT 61 /* extended coalescing info */
*/
#define VIRTIO_NET_CTRL_NOTF_COAL 6
/*
- * Set the tx-usecs/tx-max-packets patameters.
- * tx-usecs - Maximum number of usecs to delay a TX notification.
- * tx-max-packets - Maximum number of packets to send before a TX notification.
+ * Set the tx-usecs/tx-max-packets parameters.
*/
struct virtio_net_ctrl_coal_tx {
+ /* Maximum number of packets to send before a TX notification */
__le32 tx_max_packets;
+ /* Maximum number of usecs to delay a TX notification */
__le32 tx_usecs;
};
#define VIRTIO_NET_CTRL_NOTF_COAL_TX_SET 0
/*
- * Set the rx-usecs/rx-max-packets patameters.
- * rx-usecs - Maximum number of usecs to delay a RX notification.
- * rx-max-frames - Maximum number of packets to receive before a RX notification.
+ * Set the rx-usecs/rx-max-packets parameters.
*/
struct virtio_net_ctrl_coal_rx {
+ /* Maximum number of packets to receive before a RX notification */
__le32 rx_max_packets;
+ /* Maximum number of usecs to delay a RX notification */
__le32 rx_usecs;
};
projects / thirdparty / iproute2.git / commitdiff
