From 89f658fb0f1d055b671b92e474cf9dbeb5974adf Mon Sep 17 00:00:00 2001
From: Daniel Borkmann <dborkman@redhat.com>
Date: Sat, 8 Jun 2013 17:57:50 +0200
Subject: [PATCH] bpfc: also allow to load skb len into X

This functionality is available in the kernel, so make it also
available for use in bpfc.

Signed-off-by: Daniel Borkmann <dborkman@redhat.com>
---
 bpf_parser.y | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/bpf_parser.y b/bpf_parser.y
index 0bbc17d9..19268ae4 100644
--- a/bpf_parser.y
+++ b/bpf_parser.y
@@ -354,6 +354,8 @@ ldxi
 ldx
 	: OP_LDX '#' number {
 		set_curr_instr(BPF_LDX | BPF_IMM, 0, 0, $3); }
+	| OP_LDX K_PKT_LEN {
+		set_curr_instr(BPF_LDX | BPF_W | BPF_LEN, 0, 0, 0); }
 	| OP_LDX 'M' '[' number ']' {
 		set_curr_instr(BPF_LDX | BPF_MEM, 0, 0, $4); }
 	| OP_LDXB number '*' '(' '[' number ']' '&' number ')' {
-- 
2.11.4.GIT