| Andy Zhou | 0b5e8b8 | 2014-10-03 15:35:28 -0700 | [diff] [blame] | 1 | #ifndef __NET_GENEVE_H |
| 2 | #define __NET_GENEVE_H 1 |
| 3 | |
| Andy Zhou | 7c5df8f | 2014-10-06 15:15:14 -0700 | [diff] [blame] | 4 | #ifdef CONFIG_INET |
| Andy Zhou | 0b5e8b8 | 2014-10-03 15:35:28 -0700 | [diff] [blame] | 5 | #include <net/udp_tunnel.h> |
| Andy Zhou | 7c5df8f | 2014-10-06 15:15:14 -0700 | [diff] [blame] | 6 | #endif |
| Andy Zhou | 0b5e8b8 | 2014-10-03 15:35:28 -0700 | [diff] [blame] | 7 | |
| Andy Zhou | 0b5e8b8 | 2014-10-03 15:35:28 -0700 | [diff] [blame] | 8 | |
| 9 | /* Geneve Header: |
| 10 | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
| 11 | * |Ver| Opt Len |O|C| Rsvd. | Protocol Type | |
| 12 | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
| 13 | * | Virtual Network Identifier (VNI) | Reserved | |
| 14 | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
| 15 | * | Variable Length Options | |
| 16 | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
| 17 | * |
| 18 | * Option Header: |
| 19 | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
| 20 | * | Option Class | Type |R|R|R| Length | |
| 21 | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
| 22 | * | Variable Option Data | |
| 23 | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
| 24 | */ |
| 25 | |
| 26 | struct geneve_opt { |
| 27 | __be16 opt_class; |
| 28 | u8 type; |
| 29 | #ifdef __LITTLE_ENDIAN_BITFIELD |
| 30 | u8 length:5; |
| 31 | u8 r3:1; |
| 32 | u8 r2:1; |
| 33 | u8 r1:1; |
| 34 | #else |
| 35 | u8 r1:1; |
| 36 | u8 r2:1; |
| 37 | u8 r3:1; |
| 38 | u8 length:5; |
| 39 | #endif |
| 40 | u8 opt_data[]; |
| 41 | }; |
| 42 | |
| 43 | #define GENEVE_CRIT_OPT_TYPE (1 << 7) |
| 44 | |
| 45 | struct genevehdr { |
| 46 | #ifdef __LITTLE_ENDIAN_BITFIELD |
| 47 | u8 opt_len:6; |
| 48 | u8 ver:2; |
| 49 | u8 rsvd1:6; |
| 50 | u8 critical:1; |
| 51 | u8 oam:1; |
| 52 | #else |
| 53 | u8 ver:2; |
| 54 | u8 opt_len:6; |
| 55 | u8 oam:1; |
| 56 | u8 critical:1; |
| 57 | u8 rsvd1:6; |
| 58 | #endif |
| 59 | __be16 proto_type; |
| 60 | u8 vni[3]; |
| 61 | u8 rsvd2; |
| 62 | struct geneve_opt options[]; |
| 63 | }; |
| 64 | |
| Singhai, Anjali | 05ca402 | 2015-12-14 12:21:20 -0800 | [diff] [blame] | 65 | static inline void geneve_get_rx_port(struct net_device *netdev) |
| 66 | { |
| Hannes Frederic Sowa | 681e683 | 2016-04-18 21:19:48 +0200 | [diff] [blame] | 67 | ASSERT_RTNL(); |
| 68 | call_netdevice_notifiers(NETDEV_OFFLOAD_PUSH_GENEVE, netdev); |
| Singhai, Anjali | 05ca402 | 2015-12-14 12:21:20 -0800 | [diff] [blame] | 69 | } |
| Singhai, Anjali | 05ca402 | 2015-12-14 12:21:20 -0800 | [diff] [blame] | 70 | |
| Andy Zhou | 7c5df8f | 2014-10-06 15:15:14 -0700 | [diff] [blame] | 71 | #ifdef CONFIG_INET |
| Pravin B Shelar | e305ac6 | 2015-08-26 23:46:52 -0700 | [diff] [blame] | 72 | struct net_device *geneve_dev_create_fb(struct net *net, const char *name, |
| 73 | u8 name_assign_type, u16 dst_port); |
| Andy Zhou | 7c5df8f | 2014-10-06 15:15:14 -0700 | [diff] [blame] | 74 | #endif /*ifdef CONFIG_INET */ |
| 75 | |
| 76 | #endif /*ifdef__NET_GENEVE_H */ |