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Diffstat (limited to 'src/vnet/mfib/mfib_types.h')
| -rw-r--r-- | src/vnet/mfib/mfib_types.h | 205 |
1 files changed, 205 insertions, 0 deletions
diff --git a/src/vnet/mfib/mfib_types.h b/src/vnet/mfib/mfib_types.h new file mode 100644 index 00000000..50aede04 --- /dev/null +++ b/src/vnet/mfib/mfib_types.h @@ -0,0 +1,205 @@ + /* + * Copyright (c) 2016 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 __MFIB_TYPES_H__ +#define __MFIB_TYPES_H__ + +#include <vnet/fib/fib_types.h> + +/** + * Aggregrate type for a prefix + */ +typedef struct mfib_prefix_t_ { + /** + * The mask length + */ + u16 fp_len; + + /** + * protocol type + */ + fib_protocol_t fp_proto; + + /** + * Pad to keep the address 4 byte aligned + */ + u8 ___fp___pad; + + /** + * The address type is not deriveable from the fp_addr member. + * If it's v4, then the first 3 u32s of the address will be 0. + * v6 addresses (even v4 mapped ones) have at least 2 u32s assigned + * to non-zero values. true. but when it's all zero, one cannot decide. + */ + ip46_address_t fp_grp_addr; + ip46_address_t fp_src_addr; +} mfib_prefix_t; + +typedef enum mfib_entry_attribute_t_ +{ + MFIB_ENTRY_ATTRIBUTE_FIRST = 0, + /** + * The control planes needs packets mathing this entry to generate + * a signal. + */ + MFIB_ENTRY_SIGNAL = MFIB_ENTRY_ATTRIBUTE_FIRST, + /** + * Drop all traffic to this route + */ + MFIB_ENTRY_DROP, + /** + * The control plane needs to be informed of coneected sources + */ + MFIB_ENTRY_CONNECTED, + /** + * Accept packets from any incpoming interface + * Use with extreme caution + */ + MFIB_ENTRY_ACCEPT_ALL_ITF, + /** + * Exclusive - like its unicast counterpart. the source has provided + * the forwarding DPO directly. The entry therefore does not resolve + * paths via a path-list + */ + MFIB_ENTRY_EXCLUSIVE, + + MFIB_ENTRY_INHERIT_ACCEPT, + MFIB_ENTRY_ATTRIBUTE_LAST = MFIB_ENTRY_INHERIT_ACCEPT, +} mfib_entry_attribute_t; + +#define FOR_EACH_MFIB_ATTRIBUTE(_item) \ + for (_item = MFIB_ENTRY_ATTRIBUTE_FIRST; \ + _item <= MFIB_ENTRY_ATTRIBUTE_LAST; \ + _item++) + +#define MFIB_ENTRY_NAMES_SHORT { \ + [MFIB_ENTRY_SIGNAL] = "S", \ + [MFIB_ENTRY_CONNECTED] = "C", \ + [MFIB_ENTRY_DROP] = "D", \ + [MFIB_ENTRY_ACCEPT_ALL_ITF] = "AA", \ + [MFIB_ENTRY_INHERIT_ACCEPT] = "IA", \ + [MFIB_ENTRY_EXCLUSIVE] = "E", \ +} + +#define MFIB_ENTRY_NAMES_LONG { \ + [MFIB_ENTRY_SIGNAL] = "Signal", \ + [MFIB_ENTRY_CONNECTED] = "Connected", \ + [MFIB_ENTRY_DROP] = "Drop", \ + [MFIB_ENTRY_ACCEPT_ALL_ITF] = "Accept-all-itf", \ + [MFIB_ENTRY_INHERIT_ACCEPT] = "Inherit-Accept", \ + [MFIB_ENTRY_EXCLUSIVE] = "Exclusive", \ +} + +typedef enum mfib_entry_flags_t_ +{ + MFIB_ENTRY_FLAG_NONE, + MFIB_ENTRY_FLAG_SIGNAL = (1 << MFIB_ENTRY_SIGNAL), + MFIB_ENTRY_FLAG_DROP = (1 << MFIB_ENTRY_DROP), + MFIB_ENTRY_FLAG_CONNECTED = (1 << MFIB_ENTRY_CONNECTED), + MFIB_ENTRY_FLAG_ACCEPT_ALL_ITF = (1 << MFIB_ENTRY_ACCEPT_ALL_ITF), + MFIB_ENTRY_FLAG_EXCLUSIVE = (1 << MFIB_ENTRY_EXCLUSIVE), + MFIB_ENTRY_FLAG_INHERIT_ACCEPT = (1 << MFIB_ENTRY_INHERIT_ACCEPT), +} mfib_entry_flags_t; + +typedef enum mfib_itf_attribute_t_ +{ + MFIB_ITF_ATTRIBUTE_FIRST, + MFIB_ITF_NEGATE_SIGNAL = MFIB_ITF_ATTRIBUTE_FIRST, + MFIB_ITF_ACCEPT, + MFIB_ITF_FORWARD, + MFIB_ITF_SIGNAL_PRESENT, + MFIB_ITF_DONT_PRESERVE, + MFIB_ITF_ATTRIBUTE_LAST = MFIB_ITF_DONT_PRESERVE, +} mfib_itf_attribute_t; + +#define FOR_EACH_MFIB_ITF_ATTRIBUTE(_item) \ + for (_item = MFIB_ITF_ATTRIBUTE_FIRST; \ + _item <= MFIB_ITF_ATTRIBUTE_LAST; \ + _item++) + +#define MFIB_ITF_NAMES_SHORT { \ + [MFIB_ITF_NEGATE_SIGNAL] = "NS", \ + [MFIB_ITF_ACCEPT] = "A", \ + [MFIB_ITF_FORWARD] = "F", \ + [MFIB_ITF_SIGNAL_PRESENT] = "SP", \ + [MFIB_ITF_DONT_PRESERVE] = "DP", \ +} + +#define MFIB_ITF_NAMES_LONG { \ + [MFIB_ITF_NEGATE_SIGNAL] = "Negate-Signal", \ + [MFIB_ITF_ACCEPT] = "Accept", \ + [MFIB_ITF_FORWARD] = "Forward", \ + [MFIB_ITF_SIGNAL_PRESENT] = "Signal-Present", \ + [MFIB_ITF_DONT_PRESERVE] = "Don't-Preserve", \ +} + +typedef enum mfib_itf_flags_t_ +{ + MFIB_ITF_FLAG_NONE, + MFIB_ITF_FLAG_NEGATE_SIGNAL = (1 << MFIB_ITF_NEGATE_SIGNAL), + MFIB_ITF_FLAG_ACCEPT = (1 << MFIB_ITF_ACCEPT), + MFIB_ITF_FLAG_FORWARD = (1 << MFIB_ITF_FORWARD), + MFIB_ITF_FLAG_SIGNAL_PRESENT = (1 << MFIB_ITF_SIGNAL_PRESENT), + MFIB_ITF_FLAG_DONT_PRESERVE = (1 << MFIB_ITF_DONT_PRESERVE), +} mfib_itf_flags_t; + +/** + * Possible [control plane] sources of MFIB entries + */ +typedef enum mfib_source_t_ +{ + MFIB_SOURCE_SPECIAL, + MFIB_SOURCE_API, + MFIB_SOURCE_CLI, + MFIB_SOURCE_VXLAN, + MFIB_SOURCE_DHCP, + MFIB_SOURCE_SRv6, + MFIB_SOURCE_GTPU, + MFIB_SOURCE_VXLAN_GPE, + MFIB_SOURCE_RR, + MFIB_SOURCE_DEFAULT_ROUTE, +} mfib_source_t; + +#define MFIB_SOURCE_NAMES { \ + [MFIB_SOURCE_SPECIAL] = "Special", \ + [MFIB_SOURCE_API] = "API", \ + [MFIB_SOURCE_CLI] = "CLI", \ + [MFIB_SOURCE_DHCP] = "DHCP", \ + [MFIB_SOURCE_VXLAN] = "VXLAN", \ + [MFIB_SOURCE_SRv6] = "SRv6", \ + [MFIB_SOURCE_GTPU] = "GTPU", \ + [MFIB_SOURCE_VXLAN_GPE] = "VXLAN-GPE", \ + [MFIB_SOURCE_RR] = "Recursive-resolution", \ + [MFIB_SOURCE_DEFAULT_ROUTE] = "Default Route", \ +} + +#define MFIB_N_SOURCES (MFIB_SOURCE_DEFAULT_ROUTE) + +/** + * \brief Compare two prefixes for equality + */ +extern int mfib_prefix_cmp(const mfib_prefix_t *p1, + const mfib_prefix_t *p2); + +extern u8 * format_mfib_prefix(u8 * s, va_list * args); + +extern u8 *format_mfib_entry_flags(u8 * s, va_list * args); +extern u8 *format_mfib_itf_flags(u8 * s, va_list * args); +extern uword unformat_mfib_itf_flags(unformat_input_t * input, + va_list * args); +extern uword unformat_mfib_entry_flags(unformat_input_t * input, + va_list * args); + +#endif |