On Wed, Apr 13, 2016 at 06:27:08AM -0700, Eric Dumazet wrote: > I. On Wed, 2016-04-13 at 15:57 +0300, Michael S. Tsirkin wrote: > > > Fine, but what's the AF_PACKET duplication that Herbert Xu > > reported with NETIF_F_LLTX? Does anyone remember? > > Really a lot of virtual drivers use NETIF_F_LLTX these days. > > Duplication is more likely to happen with a qdisc, when a packet is > requeued if a driver returns NETDEV_TX_BUSY
OK, now I understand what the duplication is about. What about NETDEV_TX_LOCKED? Looks like it might have the same effect? This might be worth documenting in include/linux/netdevice.h, might it not? -- MST
