This patch adds XDP support to TI AM65 CPSW Ethernet driver. The following features are implemented: NETDEV_XDP_ACT_BASIC, NETDEV_XDP_ACT_REDIRECT, and NETDEV_XDP_ACT_NDO_XMIT. Zero-copy and non-linear XDP buffer supports are NOT implemented. Besides, the page pool memory model is used to get better performance. Signed-off-by: Julien Panis <jpanis@xxxxxxxxxxxx> --- Changes in v2: - Use page pool memory model instead of MEM_TYPE_PAGE_ORDER0. - In am65_cpsw_alloc_skb(), release reference on the page pool page in case of error returned by build_skb(). - [nit] Cleanup am65_cpsw_nuss_common_open/stop() functions. - [nit] Arrange local variables in reverse xmas tree order. - Link to v1: https://lore.kernel.org/r/20240223-am65-cpsw-xdp-basic-v1-1-9f0b6cbda310@xxxxxxxxxxxx --- Julien Panis (2): net: ethernet: ti: Add accessors for struct k3_cppi_desc_pool members net: ethernet: ti: am65-cpsw: Add minimal XDP support drivers/net/ethernet/ti/am65-cpsw-nuss.c | 490 +++++++++++++++++++++++++--- drivers/net/ethernet/ti/am65-cpsw-nuss.h | 13 + drivers/net/ethernet/ti/k3-cppi-desc-pool.c | 12 + drivers/net/ethernet/ti/k3-cppi-desc-pool.h | 2 + 4 files changed, 469 insertions(+), 48 deletions(-) --- base-commit: 6613476e225e090cc9aad49be7fa504e290dd33d change-id: 20240223-am65-cpsw-xdp-basic-4db828508b48 Best regards, -- Julien Panis <jpanis@xxxxxxxxxxxx>
