> From: Sven Van Asbroeck <thesve...@gmail.com> > > Tree: git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next.git # > 9ec5eea5b6ac > > v2 -> v3: > - Bryan Whitehead: > + add Bryan's reviewed-by tag to patch 1/5. > + Only use FRAME_LENGTH if the LS bit is checked. > If set use the smaller of FRAME_LENGTH or buffer length. > If clear use buffer length. > + Correct typo in cover letter history (swap "packet" <-> "buffer"). > > v1 -> v2: > - Andrew Lunn: > + always keep to Reverse Christmas Tree. > + "changing the cache operations to operate on the received length" > should > go in its own, separate patch, so it can be easily backed out if > "interesting things" should happen with it. > > - Bryan Whitehead: > + multi-buffer patch concept "looks good". > As a result, I will squash the intermediate "dma buffer only" patch > which > demonstrated the speed boost using an inflexible solution > (w/o multi-buffers). > + Rename lan743x_rx_process_packet() to lan743x_rx_process_buffer() > + Remove unused RX_PROCESS_RESULT_PACKET_DROPPED > + Rename RX_PROCESS_RESULT_PACKET_RECEIVED to > RX_PROCESS_RESULT_BUFFER_RECEIVED > + Fold "unmap from dma" into lan743x_rx_init_ring_element() to prevent > use-after-dma-unmap issue > + ensure that skb allocation issues do not result in the driver sending > incomplete packets to the OS. E.g. a three-buffer packet, with the > middle buffer missing > > - Willem De Bruyn: skb_hwtstamps(skb) always returns a non-null value, if > the > skb parameter points to a valid skb. > ... > Sven Van Asbroeck (5): > lan743x: boost performance on cpu archs w/o dma cache snooping > lan743x: sync only the received area of an rx ring buffer > TEST ONLY: lan743x: limit rx ring buffer size to 500 bytes > TEST ONLY: lan743x: skb_alloc failure test > TEST ONLY: lan743x: skb_trim failure test > > drivers/net/ethernet/microchip/lan743x_main.c | 352 +++++++++--------- > drivers/net/ethernet/microchip/lan743x_main.h | 5 +- > 2 files changed, 174 insertions(+), 183 deletions(-) > > -- > 2.17.1
Hi Sven, Just to let you know, my colleague tested the patches 1 and 2 on x86 PC and we are satisfied with the result. We confirmed some performance improvements. We also confirmed PTP is working. Thanks for your work on this. Tested-by: unglinuxdri...@microchip.com
