| /** @file |
| * @brief Various priority to traffic class mappings |
| * |
| * This is not to be included by the application. |
| */ |
| |
| /* |
| * Copyright (c) 2018 Intel Corporation. |
| * |
| * SPDX-License-Identifier: Apache-2.0 |
| */ |
| |
| #ifndef __TC_MAPPING_H |
| #define __TC_MAPPING_H |
| |
| #include "zephyr/net/net_core.h" |
| |
| /* All the maps below use priorities and indexes, below is the list of them |
| * according to 802.1Q - table I-2. |
| * |
| * Priority Acronym Traffic types |
| * 1 (lowest) BK Background |
| * 0 (default) BE Best effort |
| * 2 EE Excellent effort |
| * 3 CA Critical applications |
| * 4 VI Video, < 100 ms latency and jitter |
| * 5 VO Voice, < 10 ms latency and jitter |
| * 6 IC Internetwork control |
| * 7 (highest) NC Network control |
| */ |
| |
| |
| /* This is the recommended priority to traffic class mapping for |
| * implementations that do not support the credit-based shaper transmission |
| * selection algorithm. |
| * Ref: 802.1Q - chapter 8.6.6 - table 8-4 |
| */ |
| #if defined(CONFIG_NET_TC_MAPPING_STRICT) |
| #define PRIORITY2TC_1 {0, 0, 0, 0, 0, 0, 0, 0} |
| #define PRIORITY2TC_2 {0, 0, 0, 0, 1, 1, 1, 1} |
| #define PRIORITY2TC_3 {0, 0, 0, 0, 1, 1, 2, 2} |
| #define PRIORITY2TC_4 {0, 0, 1, 1, 2, 2, 3, 3} |
| #define PRIORITY2TC_5 {0, 0, 1, 1, 2, 2, 3, 4} |
| #define PRIORITY2TC_6 {1, 0, 2, 2, 3, 3, 4, 5} |
| #define PRIORITY2TC_7 {1, 0, 2, 3, 4, 4, 5, 6} |
| #define PRIORITY2TC_8 {1, 0, 2, 3, 4, 5, 6, 7} |
| |
| |
| /* This is the recommended priority to traffic class mapping for a system that |
| * supports SR (Stream Reservation) class A and SR class B. |
| * Ref: 802.1Q - chapter 34.5 - table 34-1 |
| */ |
| #elif defined(CONFIG_NET_TC_MAPPING_SR_CLASS_A_AND_B) |
| #define PRIORITY2TC_1 {0, 0, 0, 0, 0, 0, 0, 0} |
| #define PRIORITY2TC_2 {0, 0, 1, 1, 0, 0, 0, 0} |
| #define PRIORITY2TC_3 {0, 0, 1, 2, 0, 0, 0, 0} |
| #define PRIORITY2TC_4 {0, 0, 2, 3, 1, 1, 1, 1} |
| #define PRIORITY2TC_5 {0, 0, 3, 4, 1, 1, 2, 2} |
| #define PRIORITY2TC_6 {0, 0, 4, 5, 1, 1, 2, 3} |
| #define PRIORITY2TC_7 {0, 0, 5, 6, 1, 2, 3, 4} |
| #define PRIORITY2TC_8 {1, 0, 6, 7, 2, 3, 4, 5} |
| |
| |
| /* This is the recommended priority to traffic class mapping for a system that |
| * supports SR (Stream Reservation) class B only. |
| * Ref: 802.1Q - chapter 34.5 - table 34-2 |
| */ |
| #elif defined(CONFIG_NET_TC_MAPPING_SR_CLASS_B_ONLY) |
| #define PRIORITY2TC_1 {0, 0, 0, 0, 0, 0, 0, 0} |
| #define PRIORITY2TC_2 {0, 0, 1, 0, 0, 0, 0, 0} |
| #define PRIORITY2TC_3 {0, 0, 2, 0, 1, 1, 1, 1} |
| #define PRIORITY2TC_4 {0, 0, 3, 0, 1, 1, 2, 2} |
| #define PRIORITY2TC_5 {0, 0, 4, 1, 2, 2, 3, 3} |
| #define PRIORITY2TC_6 {0, 0, 5, 1, 2, 2, 3, 4} |
| #define PRIORITY2TC_7 {1, 0, 6, 2, 3, 3, 4, 5} |
| #define PRIORITY2TC_8 {1, 0, 7, 2, 3, 4, 5, 6} |
| #endif |
| |
| |
| #if NET_TC_TX_EFFECTIVE_COUNT == 0 |
| #elif NET_TC_TX_EFFECTIVE_COUNT == 1 |
| #define PRIORITY2TC_TX PRIORITY2TC_1 |
| #elif NET_TC_TX_EFFECTIVE_COUNT == 2 |
| #define PRIORITY2TC_TX PRIORITY2TC_2 |
| #elif NET_TC_TX_EFFECTIVE_COUNT == 3 |
| #define PRIORITY2TC_TX PRIORITY2TC_3 |
| #elif NET_TC_TX_EFFECTIVE_COUNT == 4 |
| #define PRIORITY2TC_TX PRIORITY2TC_4 |
| #elif NET_TC_TX_EFFECTIVE_COUNT == 5 |
| #define PRIORITY2TC_TX PRIORITY2TC_5 |
| #elif NET_TC_TX_EFFECTIVE_COUNT == 6 |
| #define PRIORITY2TC_TX PRIORITY2TC_6 |
| #elif NET_TC_TX_EFFECTIVE_COUNT == 7 |
| #define PRIORITY2TC_TX PRIORITY2TC_7 |
| #elif NET_TC_TX_EFFECTIVE_COUNT == 8 |
| #define PRIORITY2TC_TX PRIORITY2TC_8 |
| #else |
| BUILD_ASSERT(false, "Too many effective tx traffic class queues, either reduce " |
| "CONFIG_NET_TC_TX_COUNT or disable " |
| "CONFIG_NET_TC_TX_SKIP_FOR_HIGH_PRIO"); |
| #endif |
| |
| |
| #if NET_TC_RX_EFFECTIVE_COUNT == 0 |
| #elif NET_TC_RX_EFFECTIVE_COUNT == 1 |
| #define PRIORITY2TC_RX PRIORITY2TC_1 |
| #elif NET_TC_RX_EFFECTIVE_COUNT == 2 |
| #define PRIORITY2TC_RX PRIORITY2TC_2 |
| #elif NET_TC_RX_EFFECTIVE_COUNT == 3 |
| #define PRIORITY2TC_RX PRIORITY2TC_3 |
| #elif NET_TC_RX_EFFECTIVE_COUNT == 4 |
| #define PRIORITY2TC_RX PRIORITY2TC_4 |
| #elif NET_TC_RX_EFFECTIVE_COUNT == 5 |
| #define PRIORITY2TC_RX PRIORITY2TC_5 |
| #elif NET_TC_RX_EFFECTIVE_COUNT == 6 |
| #define PRIORITY2TC_RX PRIORITY2TC_6 |
| #elif NET_TC_RX_EFFECTIVE_COUNT == 7 |
| #define PRIORITY2TC_RX PRIORITY2TC_7 |
| #elif NET_TC_RX_EFFECTIVE_COUNT == 8 |
| #define PRIORITY2TC_RX PRIORITY2TC_8 |
| #else |
| BUILD_ASSERT(false, "Too many effective rx traffic class queues, either reduce " |
| "CONFIG_NET_TC_RX_COUNT or disable " |
| "CONFIG_NET_TC_RX_SKIP_FOR_HIGH_PRIO"); |
| #endif |
| |
| #endif /* __TC_MAPPING_H */ |
