diff options
| author |   Ahmed Abdelsalam <ahabdels@cisco.com> | 2022-06-29 11:08:42 +0000 |
|---|---|---|
| committer |   Damjan Marion <dmarion@0xa5.net> | 2022-06-29 15:28:43 +0000 |
| commit | c933bb7e37a209c8f29c8a376d274c01ce460079 (patch) | |
| tree | cf2f75e5f0fe5770f887ecb90df903158bd90b32 /src/vnet/srv6/sr_pt.h | |
| parent | 0c3ca59e3f4a0596a361bca0b1e1ea096d98650c (diff) | |
sr: Add support for SRv6 Path Tracing Infrastructure
This patch adds support for the infrastructure
required to support SRv6 Path Tracing defined in
https://datatracker.ietf.org/doc/draft-filsfils-spring-path-tracing/
Type: feature
Change-Id: If3b09d6216490a60dd5a816577477b6399abc124
Signed-off-by: Ahmed Abdelsalam <ahabdels@cisco.com>
Diffstat (limited to 'src/vnet/srv6/sr_pt.h')
| -rw-r--r-- | src/vnet/srv6/sr_pt.h | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/src/vnet/srv6/sr_pt.h b/src/vnet/srv6/sr_pt.h new file mode 100644 index 00000000000..7242f90b6b3 --- /dev/null +++ b/src/vnet/srv6/sr_pt.h @@ -0,0 +1,68 @@ +/* SPDX-License-Identifier: Apache-2.0 + * Copyright(c) 2022 Cisco Systems, Inc. + */ + +/** + * @file + * @brief SR Path Tracing data structures definitions + * + */ + +#ifndef included_vnet_sr_pt_h +#define included_vnet_sr_pt_h + +/*PT error codes*/ +#define SR_PT_ERR_NOENT -1 /* No such entry*/ +#define SR_PT_ERR_EXIST -2 /* Entry exists */ +#define SR_PT_ERR_IFACE_INVALID -3 /* IFACE invalid */ +#define SR_PT_ERR_ID_INVALID -4 /* ID invalid */ +#define SR_PT_ERR_LOAD_INVALID -5 /* LOAD invalid*/ +#define SR_PT_ERR_TTS_TEMPLATE_INVALID -6 /* TTS Template invalid */ + +/*PT paramters max values*/ +#define SR_PT_ID_MAX 4095 +#define SR_PT_LOAD_MAX 15 +#define SR_PT_TTS_TEMPLATE_MAX 3 + +/*PT TTS Templates*/ +#define SR_PT_TTS_TEMPLATE_0 0 +#define SR_PT_TTS_TEMPLATE_1 1 +#define SR_PT_TTS_TEMPLATE_2 2 +#define SR_PT_TTS_TEMPLATE_3 3 +#define SR_PT_TTS_TEMPLATE_DEFAULT 2 + +/*PT TTS Template shift value*/ +#define SR_PT_TTS_SHIFT_TEMPLATE_0 8 +#define SR_PT_TTS_SHIFT_TEMPLATE_1 12 +#define SR_PT_TTS_SHIFT_TEMPLATE_2 16 +#define SR_PT_TTS_SHIFT_TEMPLATE_3 20 + +typedef struct +{ + u32 iface; /**< Interface */ + u16 id; /**< Interface ID */ + u8 ingress_load; /**< Interface Ingress Load */ + u8 egress_load; /**< Interface Egress Load */ + u8 tts_template; /**< Interface TTS Template */ +} sr_pt_iface_t; + +/** + * @brief Path Tracing main datastructure + */ +typedef struct +{ + /* Pool of pt_iface instances */ + sr_pt_iface_t *sr_pt_iface; + + /* Hash table for pt iface parameters */ + mhash_t sr_pt_iface_index_hash; + +} sr_pt_main_t; + +extern sr_pt_main_t sr_pt_main; +extern int sr_pt_add_iface (u32 iface, u16 id, u8 ingress_load, u8 egress_load, + u8 tts_template); +extern int sr_pt_del_iface (u32 iface); +extern void *sr_pt_find_iface (u32 iface); + +#endif /* included_vnet_sr_pt_h */ |