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tc, bpf: add new csum and tunnel signatures 

Add new signatures for BPF_FUNC_csum_diff, BPF_FUNC_skb_get_tunnel_opt
and BPF_FUNC_skb_set_tunnel_opt.

Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
This commit is contained in:
Daniel Borkmann 2016-04-09 00:32:03 +02:00 committed by Stephen Hemminger
parent 5a2d0201cc
commit 0395711c52
1 changed files with 7 additions and 0 deletions
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7
include/bpf_api.h
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@ -212,6 +212,8 @@ static int BPF_FUNC(l3_csum_replace, struct __sk_buff *skb, uint32_t off,
uint32_t from, uint32_t to, uint32_t flags);
static int BPF_FUNC(l4_csum_replace, struct __sk_buff *skb, uint32_t off,
uint32_t from, uint32_t to, uint32_t flags);
static int BPF_FUNC(csum_diff, const void *from, uint32_t from_size,
const void *to, uint32_t to_size, uint32_t seed);
/* Packet vlan encap/decap */
static int BPF_FUNC(skb_vlan_push, struct __sk_buff *skb, uint16_t proto,
@ -225,6 +227,11 @@ static int BPF_FUNC(skb_set_tunnel_key, struct __sk_buff *skb,
const struct bpf_tunnel_key *from, uint32_t size,
uint32_t flags);
static int BPF_FUNC(skb_get_tunnel_opt, struct __sk_buff *skb,
void *to, uint32_t size);
static int BPF_FUNC(skb_set_tunnel_opt, struct __sk_buff *skb,
const void *from, uint32_t size);
/** LLVM built-ins, mem*() routines work for constant size */
#ifndef lock_xadd