diff options
Diffstat (limited to 'src/vnet/vxlan/vxlan_packet.h')
| -rw-r--r-- | src/vnet/vxlan/vxlan_packet.h | 33 |
1 files changed, 22 insertions, 11 deletions
diff --git a/src/vnet/vxlan/vxlan_packet.h b/src/vnet/vxlan/vxlan_packet.h index e172b6f4eb9..d1d1ed813e5 100644 --- a/src/vnet/vxlan/vxlan_packet.h +++ b/src/vnet/vxlan/vxlan_packet.h @@ -15,33 +15,34 @@ #ifndef __included_vxlan_packet_h__ #define __included_vxlan_packet_h__ 1 -/* +/* * From RFC-7348 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ * |R|R|R|R|I|R|R|R| Reserved | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ * | VXLAN Network Identifier (VNI) | Reserved | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ - * + * * VXLAN Header: This is an 8-byte field that has: - * + * * - Flags (8 bits): where the I flag MUST be set to 1 for a valid * VXLAN Network ID (VNI). The other 7 bits (designated "R") are * reserved fields and MUST be set to zero on transmission and * ignored on receipt. - * + * * - VXLAN Segment ID/VXLAN Network Identifier (VNI): this is a * 24-bit value used to designate the individual VXLAN overlay * network on which the communicating VMs are situated. VMs in * different VXLAN overlay networks cannot communicate with each * other. - * + * * - Reserved fields (24 bits and 8 bits): MUST be set to zero on * transmission and ignored on receipt. - * + * */ -typedef struct { +typedef struct +{ u8 flags; u8 res1; u8 res2; @@ -51,7 +52,8 @@ typedef struct { #define VXLAN_FLAGS_I 0x08 -static inline u32 vnet_get_vni (vxlan_header_t * h) +static inline u32 +vnet_get_vni (vxlan_header_t * h) { u32 vni_reserved_host_byte_order; @@ -59,11 +61,20 @@ static inline u32 vnet_get_vni (vxlan_header_t * h) return vni_reserved_host_byte_order >> 8; } -static inline void vnet_set_vni_and_flags (vxlan_header_t * h, u32 vni) +static inline void +vnet_set_vni_and_flags (vxlan_header_t * h, u32 vni) { - h->vni_reserved = clib_host_to_net_u32 (vni<<8); - * (u32 *) h = 0; + h->vni_reserved = clib_host_to_net_u32 (vni << 8); + *(u32 *) h = 0; h->flags = VXLAN_FLAGS_I; } #endif /* __included_vxlan_packet_h__ */ + +/* + * fd.io coding-style-patch-verification: ON + * + * Local Variables: + * eval: (c-set-style "gnu") + * End: + */ |