> -----Original Message----- > From: dev [mailto:[email protected]] On Behalf Of David Hunt > Sent: Tuesday, July 25, 2017 11:28 AM > To: [email protected] > Cc: Wu, Jingjing <[email protected]>; Hunt, David > <[email protected]> > Subject: [dpdk-dev] [PATCH v1] app/testpmd: fix Tx first with LSC interrupt > > The lsc_interrupt flag is enabled by default, and when the --tx-first is used > as a command line parameter, the 32 packets can be sent out before the > link state is up, resulting in the loss of the packets, and no further > forwarding will take place. > > E.g. ./build/app/testpmd -c f0 -- --tx-first --stats-period 1 > > When the --tx-first is used, the lsc_interrupt flag needs to be disabled, > ensuring the links are up before forwarding traffic. Therefore, during the > parameter checking at startup, if --tx-first is used, we now warn the user, > and set lsc_interrupt to 0. > > Fixes: 99cabef08855 ("app/testpmd: add parameter to start forwarding Tx > first") > Signed-off-by: David Hunt <[email protected]>
Acked-by: Pablo de Lara <[email protected]>
