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authorMartin KaFai Lau <kafai@fb.com>2018-08-08 01:01:29 -0700
committerDaniel Borkmann <daniel@iogearbox.net>2018-08-11 01:58:46 +0200
commit3bd43a8c91cba0493e507ed7baefa9b5613c28a9 (patch)
tree1d776b54f38fb36affd3a67e6a58d4db9b0bbf17 /tools/include/uapi
parentaa5f0c96cc7b96a678779055b2ff4cd9dabd8ba7 (diff)
downloadlinux-3bd43a8c91cba0493e507ed7baefa9b5613c28a9.tar.bz2
bpf: Sync bpf.h uapi to tools/
This patch sync include/uapi/linux/bpf.h to tools/include/uapi/linux/ Signed-off-by: Martin KaFai Lau <kafai@fb.com> Acked-by: Alexei Starovoitov <ast@kernel.org> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Diffstat (limited to 'tools/include/uapi')
-rw-r--r--tools/include/uapi/linux/bpf.h37
1 files changed, 36 insertions, 1 deletions
diff --git a/tools/include/uapi/linux/bpf.h b/tools/include/uapi/linux/bpf.h
index dd5758dc35d3..3102a2a23c31 100644
--- a/tools/include/uapi/linux/bpf.h
+++ b/tools/include/uapi/linux/bpf.h
@@ -126,6 +126,7 @@ enum bpf_map_type {
BPF_MAP_TYPE_XSKMAP,
BPF_MAP_TYPE_SOCKHASH,
BPF_MAP_TYPE_CGROUP_STORAGE,
+ BPF_MAP_TYPE_REUSEPORT_SOCKARRAY,
};
enum bpf_prog_type {
@@ -150,6 +151,7 @@ enum bpf_prog_type {
BPF_PROG_TYPE_CGROUP_SOCK_ADDR,
BPF_PROG_TYPE_LWT_SEG6LOCAL,
BPF_PROG_TYPE_LIRC_MODE2,
+ BPF_PROG_TYPE_SK_REUSEPORT,
};
enum bpf_attach_type {
@@ -2113,6 +2115,14 @@ union bpf_attr {
* the shared data.
* Return
* Pointer to the local storage area.
+ *
+ * int bpf_sk_select_reuseport(struct sk_reuseport_md *reuse, struct bpf_map *map, void *key, u64 flags)
+ * Description
+ * Select a SO_REUSEPORT sk from a BPF_MAP_TYPE_REUSEPORT_ARRAY map
+ * It checks the selected sk is matching the incoming
+ * request in the skb.
+ * Return
+ * 0 on success, or a negative error in case of failure.
*/
#define __BPF_FUNC_MAPPER(FN) \
FN(unspec), \
@@ -2196,7 +2206,8 @@ union bpf_attr {
FN(rc_keydown), \
FN(skb_cgroup_id), \
FN(get_current_cgroup_id), \
- FN(get_local_storage),
+ FN(get_local_storage), \
+ FN(sk_select_reuseport),
/* integer value in 'imm' field of BPF_CALL instruction selects which helper
* function eBPF program intends to call
@@ -2413,6 +2424,30 @@ struct sk_msg_md {
__u32 local_port; /* stored in host byte order */
};
+struct sk_reuseport_md {
+ /*
+ * Start of directly accessible data. It begins from
+ * the tcp/udp header.
+ */
+ void *data;
+ void *data_end; /* End of directly accessible data */
+ /*
+ * Total length of packet (starting from the tcp/udp header).
+ * Note that the directly accessible bytes (data_end - data)
+ * could be less than this "len". Those bytes could be
+ * indirectly read by a helper "bpf_skb_load_bytes()".
+ */
+ __u32 len;
+ /*
+ * Eth protocol in the mac header (network byte order). e.g.
+ * ETH_P_IP(0x0800) and ETH_P_IPV6(0x86DD)
+ */
+ __u32 eth_protocol;
+ __u32 ip_protocol; /* IP protocol. e.g. IPPROTO_TCP, IPPROTO_UDP */
+ __u32 bind_inany; /* Is sock bound to an INANY address? */
+ __u32 hash; /* A hash of the packet 4 tuples */
+};
+
#define BPF_TAG_SIZE 8
struct bpf_prog_info {