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ip_tunnels, bpf: define IP_TUNNEL_OPTS_MAX and use it

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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
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2
net/openvswitch/flow.h
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@@ -55,7 +55,7 @@ struct ovs_tunnel_info {
FIELD_SIZEOF(struct sw_flow_key, recirc_id))
struct sw_flow_key {
u8 tun_opts[255];
u8 tun_opts[IP_TUNNEL_OPTS_MAX];
u8 tun_opts_len;
struct ip_tunnel_key tun_key; /* Encapsulating tunnel key. */
struct {