7c5df8fa19
Fix a openvswitch compilation error when CONFIG_INET is not set:
=====================================================
In file included from include/net/geneve.h:4:0,
from net/openvswitch/flow_netlink.c:45:
include/net/udp_tunnel.h: In function 'udp_tunnel_handle_offloads':
>> include/net/udp_tunnel.h💯2: error: implicit declaration of function 'iptunnel_handle_offloads' [-Werror=implicit-function-declaration]
>> return iptunnel_handle_offloads(skb, udp_csum, type);
>> ^
>> >> include/net/udp_tunnel.h💯2: warning: return makes pointer from integer without a cast
>> >> cc1: some warnings being treated as errors
=====================================================
Reported-by: kbuild test robot <fengguang.wu@intel.com>
Signed-off-by: Andy Zhou <azhou@nicira.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
98 lines
2.4 KiB
C
98 lines
2.4 KiB
C
#ifndef __NET_GENEVE_H
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#define __NET_GENEVE_H 1
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#ifdef CONFIG_INET
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#include <net/udp_tunnel.h>
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#endif
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/* Geneve Header:
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* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
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* |Ver| Opt Len |O|C| Rsvd. | Protocol Type |
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* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
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* | Virtual Network Identifier (VNI) | Reserved |
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* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
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* | Variable Length Options |
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* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
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*
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* Option Header:
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* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
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* | Option Class | Type |R|R|R| Length |
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* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
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* | Variable Option Data |
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* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
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*/
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struct geneve_opt {
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__be16 opt_class;
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u8 type;
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#ifdef __LITTLE_ENDIAN_BITFIELD
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u8 length:5;
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u8 r3:1;
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u8 r2:1;
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u8 r1:1;
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#else
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u8 r1:1;
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u8 r2:1;
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u8 r3:1;
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u8 length:5;
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#endif
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u8 opt_data[];
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};
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#define GENEVE_CRIT_OPT_TYPE (1 << 7)
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struct genevehdr {
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#ifdef __LITTLE_ENDIAN_BITFIELD
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u8 opt_len:6;
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u8 ver:2;
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u8 rsvd1:6;
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u8 critical:1;
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u8 oam:1;
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#else
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u8 ver:2;
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u8 opt_len:6;
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u8 oam:1;
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u8 critical:1;
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u8 rsvd1:6;
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#endif
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__be16 proto_type;
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u8 vni[3];
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u8 rsvd2;
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struct geneve_opt options[];
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};
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#ifdef CONFIG_INET
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struct geneve_sock;
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typedef void (geneve_rcv_t)(struct geneve_sock *gs, struct sk_buff *skb);
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struct geneve_sock {
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struct hlist_node hlist;
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geneve_rcv_t *rcv;
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void *rcv_data;
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struct work_struct del_work;
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struct socket *sock;
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struct rcu_head rcu;
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atomic_t refcnt;
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struct udp_offload udp_offloads;
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};
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#define GENEVE_VER 0
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#define GENEVE_BASE_HLEN (sizeof(struct udphdr) + sizeof(struct genevehdr))
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struct geneve_sock *geneve_sock_add(struct net *net, __be16 port,
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geneve_rcv_t *rcv, void *data,
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bool no_share, bool ipv6);
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void geneve_sock_release(struct geneve_sock *vs);
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int geneve_xmit_skb(struct geneve_sock *gs, struct rtable *rt,
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struct sk_buff *skb, __be32 src, __be32 dst, __u8 tos,
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__u8 ttl, __be16 df, __be16 src_port, __be16 dst_port,
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__be16 tun_flags, u8 vni[3], u8 opt_len, u8 *opt,
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bool xnet);
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#endif /*ifdef CONFIG_INET */
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#endif /*ifdef__NET_GENEVE_H */
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