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authorJulien Panis <[email protected]>2024-04-12 17:38:34 +0200
committerDavid S. Miller <[email protected]>2024-04-15 13:18:18 +0100
commit8acacc40f7337527ff84cd901ed2ef0a2b95b2b6 (patch)
tree512c840a3c0bef87abede0e40e0ed2f6218a249e /lib/linear_ranges.c
parent84d767a3c0b5e6b7d13bcaa64405c0613138161f (diff)
net: ethernet: ti: am65-cpsw: Add minimal XDP support
This patch adds XDP (eXpress Data Path) support to TI AM65 CPSW Ethernet driver. The following features are implemented: - NETDEV_XDP_ACT_BASIC (XDP_PASS, XDP_TX, XDP_DROP, XDP_ABORTED) - NETDEV_XDP_ACT_REDIRECT (XDP_REDIRECT) - NETDEV_XDP_ACT_NDO_XMIT (ndo_xdp_xmit callback) The page pool memory model is used to get better performance. Below are benchmark results obtained for the receiver with iperf3 default parameters: - Without page pool: 495 Mbits/sec - With page pool: 605 Mbits/sec (actually 610 Mbits/sec, with a 5 Mbits/sec loss due to extra processing in the hot path to handle XDP). Signed-off-by: Julien Panis <[email protected]> Reviewed-by: Jacob Keller <[email protected]> Signed-off-by: David S. Miller <[email protected]>
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