RE: [PATCH net-next v6 1/8] igb: clear out skb->tstamp after reading the txtime

2019-06-27 Thread Brown, Aaron F
> From: Patel, Vedang > Sent: Tuesday, June 25, 2019 3:07 PM > To: netdev@vger.kernel.org > Cc: Kirsher, Jeffrey T ; da...@davemloft.net; > j...@mojatatu.com; xiyou.wangc...@gmail.com; j...@resnulli.us; intel-wired- > l...@lists.osuosl.org; Gomes, Vinicius ; > l...@dorileo.org; jakub.kicin...@netro

Re: [PATCH net-next v6 1/8] igb: clear out skb->tstamp after reading the txtime

2019-06-26 Thread Patel, Vedang
Hi Jeff, > On Jun 26, 2019, at 12:44 PM, Kirsher, Jeffrey T > wrote: > > On Tue, 2019-06-25 at 15:07 -0700, Vedang Patel wrote: >> If a packet which is utilizing the launchtime feature (via SO_TXTIME >> socket >> option) also requests the hardware transmit timestamp, the hardware >> timestamp i

Re: [PATCH net-next v6 1/8] igb: clear out skb->tstamp after reading the txtime

2019-06-26 Thread Jeff Kirsher
On Tue, 2019-06-25 at 15:07 -0700, Vedang Patel wrote: > If a packet which is utilizing the launchtime feature (via SO_TXTIME > socket > option) also requests the hardware transmit timestamp, the hardware > timestamp is not delivered to the userspace. This is because the > value in > skb->tstamp is