* [dpdk-users] rte_eth_dev_set_link_up: is it ever required to be used after rte_eth_dev_start
@ 2021-02-24 14:08 John Sucaet
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From: John Sucaet @ 2021-02-24 14:08 UTC (permalink / raw)
To: users
Hello all,
Looking at the api help for rte_eth_dev_set_link_up, it seems it is not
required to call this function after rte_eth_dev_start. I see this
confirmed in the fact that even not all pmds implement this function
(e.g. virtio) and that some pmds call the link_up function in their
start function.
However I am a bit confused by this example code:
https://doc.dpdk.org/api/examples_2ip_pipeline_2link_8c-example.html#a20
in which there is a call to rte_eth_dev_set_link_up after the start.
In what cases is it needed to call rte_eth_dev_set_link_up right after
rte_eth_dev_set_link_up?
Thanks
John
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