On Tue, Jan 3, 2017 at 9:31 AM, Sowmini Varadhan <sowmini.varad...@oracle.com> wrote: > Although TPACKET_V3 Rx has some benefits over TPACKET_V2 Rx, *_v3 > does not currently have TX_RING support. As a result an application > that wants the best perf for Tx and Rx (e.g. to handle request/response > transacations) ends up needing 2 sockets, one with *_v2 for Tx and > another with *_v3 for Rx. > > This patch enables TPACKET_V2 compatible Tx features in TPACKET_V3 > so that an application can use a single descriptor to get the benefits > of _v3 RX_RING and _v2 TX_RING. An application may do a block-send by > first filling up multiple frames in the Tx ring and then triggering a > transmit. This patch only support fixed size Tx frames for TPACKET_V3, > and requires that tp_next_offset must be zero. > > Signed-off-by: Sowmini Varadhan <sowmini.varad...@oracle.com>
Acked-by: Willem de Bruijn <will...@google.com>
