Re: [PATCH net-next 0/3] net: ethernet: ti: cpsw: Add XDP support

From: Ilias Apalodimas
Date: Fri May 24 2019 - 05:44:49 EST


Hi Ivan,

More XDP drivers, that's good!
> This patchset add XDP support for TI cpsw driver and base it on
> page_pool allocator. It was verified on af_xdp socket drop,
> af_xdp l2f, ebpf XDP_DROP, XDP_REDIRECT, XDP_PASS, XDP_TX.
>
> It was verified with following configs enabled:
> CONFIG_JIT=y
> CONFIG_BPFILTER=y
> CONFIG_BPF_SYSCALL=y
> CONFIG_XDP_SOCKETS=y
> CONFIG_BPF_EVENTS=y
> CONFIG_HAVE_EBPF_JIT=y
> CONFIG_BPF_JIT=y
> CONFIG_CGROUP_BPF=y
>
> Link on previous RFC:
> https://lkml.org/lkml/2019/4/17/861
>
The recycling pattern has changed i'll have a closer look in the weekend and let
you know
> Also regular tests with iperf2 were done in order to verify impact on
> regular netstack performance, compared with base commit:
> https://pastebin.com/JSMT0iZ4
Do you have any XDP related numbers?
>
> Based on net-next/master
>
> Ivan Khoronzhuk (3):
> net: ethernet: ti: davinci_cpdma: add dma mapped submit
> net: ethernet: ti: davinci_cpdma: return handler status
> net: ethernet: ti: cpsw: add XDP support
>
> drivers/net/ethernet/ti/Kconfig | 1 +
> drivers/net/ethernet/ti/cpsw.c | 570 +++++++++++++++++++++---
> drivers/net/ethernet/ti/cpsw_ethtool.c | 55 ++-
> drivers/net/ethernet/ti/cpsw_priv.h | 9 +-
> drivers/net/ethernet/ti/davinci_cpdma.c | 122 +++--
> drivers/net/ethernet/ti/davinci_cpdma.h | 6 +-
> drivers/net/ethernet/ti/davinci_emac.c | 18 +-
> 7 files changed, 675 insertions(+), 106 deletions(-)
>
> --
> 2.17.1
>
Thanks
/Ilias