From 4c4c3c276c099f265c8b11e0132ce826ee718e2c Mon Sep 17 00:00:00 2001 From: John Fastabend Date: Sun, 18 Mar 2018 12:57:41 -0700 Subject: bpf: sockmap sample, add option to attach SK_MSG program Add sockmap option to use SK_MSG program types. Signed-off-by: John Fastabend Acked-by: David S. Miller Signed-off-by: Daniel Borkmann --- tools/include/uapi/linux/bpf.h | 13 ++++++++++++- 1 file changed, 12 insertions(+), 1 deletion(-) (limited to 'tools/include/uapi') diff --git a/tools/include/uapi/linux/bpf.h b/tools/include/uapi/linux/bpf.h index 13d9c59d79ce..01b9c97b172e 100644 --- a/tools/include/uapi/linux/bpf.h +++ b/tools/include/uapi/linux/bpf.h @@ -720,6 +720,15 @@ 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 + * */ #define __BPF_FUNC_MAPPER(FN) \ FN(unspec), \ @@ -781,7 +790,9 @@ 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), /* integer value in 'imm' field of BPF_CALL instruction selects which helper * function eBPF program intends to call -- cgit v1.2.3-59-g8ed1b