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Diffstat (limited to 'include/uapi/linux/bpf.h')
-rw-r--r--include/uapi/linux/bpf.h108
1 files changed, 107 insertions, 1 deletions
diff --git a/include/uapi/linux/bpf.h b/include/uapi/linux/bpf.h
index db6bdc375126..c5ec89732a8d 100644
--- a/include/uapi/linux/bpf.h
+++ b/include/uapi/linux/bpf.h
@@ -94,6 +94,7 @@ enum bpf_cmd {
BPF_MAP_GET_FD_BY_ID,
BPF_OBJ_GET_INFO_BY_FD,
BPF_PROG_QUERY,
+ BPF_RAW_TRACEPOINT_OPEN,
};
enum bpf_map_type {
@@ -133,6 +134,9 @@ enum bpf_prog_type {
BPF_PROG_TYPE_SOCK_OPS,
BPF_PROG_TYPE_SK_SKB,
BPF_PROG_TYPE_CGROUP_DEVICE,
+ BPF_PROG_TYPE_SK_MSG,
+ BPF_PROG_TYPE_RAW_TRACEPOINT,
+ BPF_PROG_TYPE_CGROUP_SOCK_ADDR,
};
enum bpf_attach_type {
@@ -143,6 +147,13 @@ enum bpf_attach_type {
BPF_SK_SKB_STREAM_PARSER,
BPF_SK_SKB_STREAM_VERDICT,
BPF_CGROUP_DEVICE,
+ BPF_SK_MSG_VERDICT,
+ BPF_CGROUP_INET4_BIND,
+ BPF_CGROUP_INET6_BIND,
+ BPF_CGROUP_INET4_CONNECT,
+ BPF_CGROUP_INET6_CONNECT,
+ BPF_CGROUP_INET4_POST_BIND,
+ BPF_CGROUP_INET6_POST_BIND,
__MAX_BPF_ATTACH_TYPE
};
@@ -231,6 +242,28 @@ enum bpf_attach_type {
#define BPF_F_RDONLY (1U << 3)
#define BPF_F_WRONLY (1U << 4)
+/* Flag for stack_map, store build_id+offset instead of pointer */
+#define BPF_F_STACK_BUILD_ID (1U << 5)
+
+enum bpf_stack_build_id_status {
+ /* user space need an empty entry to identify end of a trace */
+ BPF_STACK_BUILD_ID_EMPTY = 0,
+ /* with valid build_id and offset */
+ BPF_STACK_BUILD_ID_VALID = 1,
+ /* couldn't get build_id, fallback to ip */
+ BPF_STACK_BUILD_ID_IP = 2,
+};
+
+#define BPF_BUILD_ID_SIZE 20
+struct bpf_stack_build_id {
+ __s32 status;
+ unsigned char build_id[BPF_BUILD_ID_SIZE];
+ union {
+ __u64 offset;
+ __u64 ip;
+ };
+};
+
union bpf_attr {
struct { /* anonymous struct used by BPF_MAP_CREATE command */
__u32 map_type; /* one of enum bpf_map_type */
@@ -270,6 +303,11 @@ union bpf_attr {
__u32 prog_flags;
char prog_name[BPF_OBJ_NAME_LEN];
__u32 prog_ifindex; /* ifindex of netdev to prep for */
+ /* For some prog types expected attach type must be known at
+ * load time to verify attach type specific parts of prog
+ * (context accesses, allowed helpers, etc).
+ */
+ __u32 expected_attach_type;
};
struct { /* anonymous struct used by BPF_OBJ_* commands */
@@ -320,6 +358,11 @@ union bpf_attr {
__aligned_u64 prog_ids;
__u32 prog_cnt;
} query;
+
+ struct {
+ __u64 name;
+ __u32 prog_fd;
+ } raw_tracepoint;
} __attribute__((aligned(8)));
/* BPF helper function descriptions:
@@ -696,6 +739,22 @@ union bpf_attr {
* int bpf_override_return(pt_regs, rc)
* @pt_regs: pointer to struct pt_regs
* @rc: the return value to set
+ *
+ * int bpf_msg_redirect_map(map, key, flags)
+ * Redirect msg to a sock in map using key as a lookup key for the
+ * sock in map.
+ * @map: pointer to sockmap
+ * @key: key to lookup sock in map
+ * @flags: reserved for future use
+ * Return: SK_PASS
+ *
+ * int bpf_bind(ctx, addr, addr_len)
+ * Bind socket to address. Only binding to IP is supported, no port can be
+ * set in addr.
+ * @ctx: pointer to context of type bpf_sock_addr
+ * @addr: pointer to struct sockaddr to bind socket to
+ * @addr_len: length of sockaddr structure
+ * Return: 0 on success or negative error code
*/
#define __BPF_FUNC_MAPPER(FN) \
FN(unspec), \
@@ -757,7 +816,12 @@ union bpf_attr {
FN(perf_prog_read_value), \
FN(getsockopt), \
FN(override_return), \
- FN(sock_ops_cb_flags_set),
+ FN(sock_ops_cb_flags_set), \
+ FN(msg_redirect_map), \
+ FN(msg_apply_bytes), \
+ FN(msg_cork_bytes), \
+ FN(msg_pull_data), \
+ FN(bind),
/* integer value in 'imm' field of BPF_CALL instruction selects which helper
* function eBPF program intends to call
@@ -800,6 +864,7 @@ enum bpf_func_id {
/* BPF_FUNC_skb_set_tunnel_key flags. */
#define BPF_F_ZERO_CSUM_TX (1ULL << 1)
#define BPF_F_DONT_FRAGMENT (1ULL << 2)
+#define BPF_F_SEQ_NUMBER (1ULL << 3)
/* BPF_FUNC_perf_event_output, BPF_FUNC_perf_event_read and
* BPF_FUNC_perf_event_read_value flags.
@@ -885,6 +950,15 @@ struct bpf_sock {
__u32 protocol;
__u32 mark;
__u32 priority;
+ __u32 src_ip4; /* Allows 1,2,4-byte read.
+ * Stored in network byte order.
+ */
+ __u32 src_ip6[4]; /* Allows 1,2,4-byte read.
+ * Stored in network byte order.
+ */
+ __u32 src_port; /* Allows 4-byte read.
+ * Stored in host byte order
+ */
};
#define XDP_PACKET_HEADROOM 256
@@ -919,6 +993,14 @@ enum sk_action {
SK_PASS,
};
+/* user accessible metadata for SK_MSG packet hook, new fields must
+ * be added to the end of this structure
+ */
+struct sk_msg_md {
+ void *data;
+ void *data_end;
+};
+
#define BPF_TAG_SIZE 8
struct bpf_prog_info {
@@ -952,6 +1034,26 @@ struct bpf_map_info {
__u64 netns_ino;
} __attribute__((aligned(8)));
+/* User bpf_sock_addr struct to access socket fields and sockaddr struct passed
+ * by user and intended to be used by socket (e.g. to bind to, depends on
+ * attach attach type).
+ */
+struct bpf_sock_addr {
+ __u32 user_family; /* Allows 4-byte read, but no write. */
+ __u32 user_ip4; /* Allows 1,2,4-byte read and 4-byte write.
+ * Stored in network byte order.
+ */
+ __u32 user_ip6[4]; /* Allows 1,2,4-byte read an 4-byte write.
+ * Stored in network byte order.
+ */
+ __u32 user_port; /* Allows 4-byte read and write.
+ * Stored in network byte order
+ */
+ __u32 family; /* Allows 4-byte read, but no write */
+ __u32 type; /* Allows 4-byte read, but no write */
+ __u32 protocol; /* Allows 4-byte read, but no write */
+};
+
/* User bpf_sock_ops struct to access socket values and specify request ops
* and their replies.
* Some of this fields are in network (bigendian) byte order and may need
@@ -1106,4 +1208,8 @@ struct bpf_cgroup_dev_ctx {
__u32 minor;
};
+struct bpf_raw_tracepoint_args {
+ __u64 args[0];
+};
+
#endif /* _UAPI__LINUX_BPF_H__ */