From: bugzilla@dpdk.org
To: dev@dpdk.org
Subject: [Bug 1139] expose selection of PMD fast-path functions before dev_start (rte_eth_dev_start)
Date: Fri, 02 Dec 2022 03:50:25 +0000 [thread overview]
Message-ID: <bug-1139-3@http.bugs.dpdk.org/> (raw)
https://bugs.dpdk.org/show_bug.cgi?id=1139
Bug ID: 1139
Summary: expose selection of PMD fast-path functions before
dev_start (rte_eth_dev_start)
Product: DPDK
Version: 22.07
Hardware: All
OS: All
Status: UNCONFIRMED
Severity: normal
Priority: Normal
Component: ethdev
Assignee: dev@dpdk.org
Reporter: wdy_s@foxmail.com
Target Milestone: ---
Created attachment 235
--> https://bugs.dpdk.org/attachment.cgi?id=235&action=edit
diff
1. startup counsumer thread(main_loop) call rte_eth_rx_burst.
but the real rx_burst is dummy_eth_rx_burst
2. call rte_eth_dev_start: will startup dev and expose selection of PMD
fast-path functions
3. get xstats by name("rx_missed_errors"), maybe see misserr greater than 0
my solution：
expose selection of PMD fast-path functions before dev_start
(rte_eth_dev_start)
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