diff options
Diffstat (limited to 'src/vnet/vxlan-gbp/vxlan_gbp_packet.h')
| -rw-r--r-- | src/vnet/vxlan-gbp/vxlan_gbp_packet.h | 173 |
1 files changed, 0 insertions, 173 deletions
diff --git a/src/vnet/vxlan-gbp/vxlan_gbp_packet.h b/src/vnet/vxlan-gbp/vxlan_gbp_packet.h deleted file mode 100644 index e655b333b89..00000000000 --- a/src/vnet/vxlan-gbp/vxlan_gbp_packet.h +++ /dev/null @@ -1,173 +0,0 @@ -/* - * Copyright (c) 2018 Cisco and/or its affiliates. - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at: - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ -#ifndef __included_vxlan_gbp_packet_h__ -#define __included_vxlan_gbp_packet_h__ 1 - -#include <vlib/vlib.h> - -/* - * From draft-smith-vxlan-group-policy-04.txt - * - * 0 1 2 3 - * 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 - * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ - * |G|R|R|R|I|R|R|R|R|D|E|S|A|R|R|R| Group Policy ID | - * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ - * | VXLAN Network Identifier (VNI) | Reserved | - * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ - * - * G bit: Bit 0 of the initial word is defined as the G (Group Based - * Policy Extension) bit. - * - * I bit: where the I flag MUST be set to 1 for a valid - * VXLAN Network ID (VNI). - * - * D bit: Bit 9 of the initial word is defined as the Don't Learn bit. - * When set, this bit indicates that the egress VTEP MUST NOT learn the - * source address of the encapsulated frame. - * - * E bit: Bit 10 of the initial word is defined as the bounce packet. - * When set, this bit indicates that packet is bounced and must be - * dropped. - * - * S bit: Bit 11 of the initial word is defined as the source policy - * applied bit. - * - * A bit: Bit 12 of the initial word is defined as the A (Policy - * Applied) bit. This bit is only defined as the A bit when the G bit - * is set to 1. - * - * A = 1 indicates that the group policy has already been applied to - * this packet. Policies MUST NOT be applied by devices when the A - * bit is set. - * - * A = 0 indicates that the group policy has not been applied to this - * packet. Group policies MUST be applied by devices when the A bit - * is set to 0 and the destination Group has been determined. - * Devices that apply the Group policy MUST set the A bit to 1 after - * the policy has been applied. - * - * Group Policy ID: 16 bit identifier that indicates the source TSI - * Group membership being encapsulated by VXLAN. Its value is source - * class id. - * - * FOR INTERNAL USE ONLY - * R bit: Bit 12 of the initial word is defined as the reflection bit - * Set on packet rx checked on tx and dropped if set. this prevents - * packets recieved on an iVXLAN tunnel being reflected back to - * another. - */ - -typedef struct -{ - union - { - struct - { - union - { - struct - { - u8 flag_g_i; - u8 gpflags; - }; - u16 flags; - }; - u16 sclass; - }; - u32 flags_sclass_as_u32; - }; - u32 vni_reserved; -} vxlan_gbp_header_t; - -#define foreach_vxlan_gbp_flags \ - _ (0x80, G) \ - _ (0x08, I) - -typedef enum -{ - VXLAN_GBP_FLAGS_NONE = 0, -#define _(n,f) VXLAN_GBP_FLAGS_##f = n, - foreach_vxlan_gbp_flags -#undef _ -} __attribute__ ((packed)) vxlan_gbp_flags_t; - -#define VXLAN_GBP_FLAGS_GI (VXLAN_GBP_FLAGS_G|VXLAN_GBP_FLAGS_I) - -#define foreach_vxlan_gbp_gpflags \ -_ (0x40, D) \ -_ (0x20, E) \ -_ (0x10, S) \ -_ (0x08, A) \ -_ (0x04, R) - -typedef enum -{ - VXLAN_GBP_GPFLAGS_NONE = 0, -#define _(n,f) VXLAN_GBP_GPFLAGS_##f = n, - foreach_vxlan_gbp_gpflags -#undef _ -} __attribute__ ((packed)) vxlan_gbp_gpflags_t; - -static inline u32 -vxlan_gbp_get_vni (vxlan_gbp_header_t * h) -{ - u32 vni_reserved_host_byte_order; - - vni_reserved_host_byte_order = clib_net_to_host_u32 (h->vni_reserved); - return vni_reserved_host_byte_order >> 8; -} - -static inline u16 -vxlan_gbp_get_sclass (vxlan_gbp_header_t * h) -{ - u16 sclass_host_byte_order; - - sclass_host_byte_order = clib_net_to_host_u16 (h->sclass); - return sclass_host_byte_order; -} - -static inline vxlan_gbp_gpflags_t -vxlan_gbp_get_gpflags (vxlan_gbp_header_t * h) -{ - return h->gpflags; -} - -static inline vxlan_gbp_flags_t -vxlan_gbp_get_flags (vxlan_gbp_header_t * h) -{ - return h->flag_g_i; -} - -static inline void -vxlan_gbp_set_header (vxlan_gbp_header_t * h, u32 vni) -{ - h->vni_reserved = clib_host_to_net_u32 (vni << 8); - h->flags_sclass_as_u32 = 0; - h->flag_g_i = VXLAN_GBP_FLAGS_I | VXLAN_GBP_FLAGS_G; -} - -extern u8 *format_vxlan_gbp_header_flags (u8 * s, va_list * args); -extern u8 *format_vxlan_gbp_header_gpflags (u8 * s, va_list * args); - -#endif /* __included_vxlan_gbp_packet_h__ */ - -/* - * fd.io coding-style-patch-verification: ON - * - * Local Variables: - * eval: (c-set-style "gnu") - * End: - */ |