xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

ip_tunnels, bpf: define IP_TUNNEL_OPTS_MAX and use it

Browse Source 
eBPF defines this as BPF_TUNLEN_MAX and OVS just uses the hard-coded
value inside struct sw_flow_key. Thus, add and use IP_TUNNEL_OPTS_MAX
for this, which makes the code a bit more generic and allows to remove
BPF_TUNLEN_MAX from eBPF code.

Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Daniel Borkmann
2016-03-16 01:42:51 +01:00
committed by David S. Miller
parent 808c1b697c
commit fca5fdf67d
4 changed files with 16 additions and 8 deletions
Download Patch File Download Diff File Expand all files Collapse all files

7
include/net/ip_tunnels.h
View File

@@ -7,6 +7,8 @@
#include <linux/socket.h>
#include <linux/types.h>
#include <linux/u64_stats_sync.h>
#include <linux/bitops.h>
#include <net/dsfield.h>
#include <net/gro_cells.h>
#include <net/inet_ecn.h>
@@ -57,6 +59,11 @@ struct ip_tunnel_key {
#define IP_TUNNEL_INFO_TX 0x01 /* represents tx tunnel parameters */
#define IP_TUNNEL_INFO_IPV6 0x02 /* key contains IPv6 addresses */
/* Maximum tunnel options length. */
#define IP_TUNNEL_OPTS_MAX \
GENMASK((FIELD_SIZEOF(struct ip_tunnel_info, \
options_len) * BITS_PER_BYTE) - 1, 0)
struct ip_tunnel_info {
struct ip_tunnel_key key;
#ifdef CONFIG_DST_CACHE