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 Also regular tests with iperf2 were done in order to verify impact on regular netstack performance, compared with base commit: https://pastebin.com/JSMT0iZ4 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
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