>-----Original Message----- >From: Intel-wired-lan <intel-wired-lan-bounces@xxxxxxxxxx> On Behalf Of >Sarkar, Tirthendu >Sent: 18 February 2023 00:45 >To: intel-wired-lan@xxxxxxxxxxxxxxxx >Cc: Sarkar, Tirthendu <tirthendu.sarkar@xxxxxxxxx>; netdev@xxxxxxxxxxxxxxx; >Brandeburg, Jesse <jesse.brandeburg@xxxxxxxxx>; Nguyen, Anthony L ><anthony.l.nguyen@xxxxxxxxx>; bpf@xxxxxxxxxxxxxxx; Karlsson, Magnus ><magnus.karlsson@xxxxxxxxx> >Subject: [Intel-wired-lan] [PATCH intel-next v6 7/8] i40e: add xdp_buff to >i40e_ring struct > >Store xdp_buff on Rx ring struct in preparation for XDP multi-buffer support. >This will allow us to combine fragmented frames across separate NAPI cycles >in the same way as currently skb fragments are handled. This means that skb >pointer on Rx ring will become redundant and will be removed in a later patch. >As a consequence i40e_trace() now uses xdp instead of skb pointer. > >Truesize only needs to be calculated for page sizes bigger than 4k as it is >always half-page for 4k pages. With xdp_buff on ring, frame size can now be >set during xdp_init_buff() and need not be repopulated in each NAPI call for >4k pages. As a consequence i40e_rx_frame_truesize() is now used only for >bigger pages. > >Signed-off-by: Tirthendu Sarkar <tirthendu.sarkar@xxxxxxxxx> >--- > drivers/net/ethernet/intel/i40e/i40e_main.c | 2 ++ >drivers/net/ethernet/intel/i40e/i40e_trace.h | 20 ++++++------ >drivers/net/ethernet/intel/i40e/i40e_txrx.c | 33 ++++++++------------ >drivers/net/ethernet/intel/i40e/i40e_txrx.h | 7 +++++ > 4 files changed, 32 insertions(+), 30 deletions(-) > Tested-by: Chandan Kumar Rout <chandanx.rout@xxxxxxxxx> (A Contingent Worker at Intel)
