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CONFIG_NET_TC_TX_COUNT
¶
How many Tx traffic classes to have for each network device
Type: int
Help¶
Define how many Tx traffic classes (queues) the system should have when sending a network packet. The network packet priority can then be mapped to this traffic class so that higher prioritized packets can be processed before lower prioritized ones. Each queue is handled by a separate thread which will need RAM for stack space. Only increase the value from 1 if you really need this feature. The default value is 1 which means that all the network traffic is handled equally. In this implementation, the higher traffic class value corresponds to lower thread priority.
Default¶
1
Kconfig definition¶
At <Zephyr>/subsys/net/ip/Kconfig:141
Included via <Zephyr>/Kconfig:8
→ <Zephyr>/Kconfig.zephyr:34
→ <Zephyr>/subsys/Kconfig:37
→ <Zephyr>/subsys/net/Kconfig:87
Menu path: (Top) → Sub Systems and OS Services → Networking → Link layer and IP networking support → IP stack
config NET_TC_TX_COUNT int "How many Tx traffic classes to have for each network device" range 1NET_TC_NUM_PRIORITIES
ifNET_TC_NUM_PRIORITIES
<= 8 range 1 8 default 1 depends on !NET_RAW_MODE
&&NETWORKING
help Define how many Tx traffic classes (queues) the system should have when sending a network packet. The network packet priority can then be mapped to this traffic class so that higher prioritized packets can be processed before lower prioritized ones. Each queue is handled by a separate thread which will need RAM for stack space. Only increase the value from 1 if you really need this feature. The default value is 1 which means that all the network traffic is handled equally. In this implementation, the higher traffic class value corresponds to lower thread priority.
(The ‘depends on’ condition includes propagated dependencies from ifs and menus.)