From fcb5d0fdafeebe49f42799b1d0d056c4b67bcc16 Mon Sep 17 00:00:00 2001 From: Christian Breunig Date: Mon, 12 Jun 2023 19:57:28 +0200 Subject: T5286: drop XDP support for ethernet and bonding interfaces ... this is a step towards a new and better implementation that will utilize VPP. --- src/xdp/include/linux/if_xdp.h | 108 ----------------------------------------- 1 file changed, 108 deletions(-) delete mode 100644 src/xdp/include/linux/if_xdp.h (limited to 'src/xdp/include/linux/if_xdp.h') diff --git a/src/xdp/include/linux/if_xdp.h b/src/xdp/include/linux/if_xdp.h deleted file mode 100644 index be328c593..000000000 --- a/src/xdp/include/linux/if_xdp.h +++ /dev/null @@ -1,108 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ -/* - * if_xdp: XDP socket user-space interface - * Copyright(c) 2018 Intel Corporation. - * - * Author(s): Björn Töpel - * Magnus Karlsson - */ - -#ifndef _LINUX_IF_XDP_H -#define _LINUX_IF_XDP_H - -#include - -/* Options for the sxdp_flags field */ -#define XDP_SHARED_UMEM (1 << 0) -#define XDP_COPY (1 << 1) /* Force copy-mode */ -#define XDP_ZEROCOPY (1 << 2) /* Force zero-copy mode */ -/* If this option is set, the driver might go sleep and in that case - * the XDP_RING_NEED_WAKEUP flag in the fill and/or Tx rings will be - * set. If it is set, the application need to explicitly wake up the - * driver with a poll() (Rx and Tx) or sendto() (Tx only). If you are - * running the driver and the application on the same core, you should - * use this option so that the kernel will yield to the user space - * application. - */ -#define XDP_USE_NEED_WAKEUP (1 << 3) - -/* Flags for xsk_umem_config flags */ -#define XDP_UMEM_UNALIGNED_CHUNK_FLAG (1 << 0) - -struct sockaddr_xdp { - __u16 sxdp_family; - __u16 sxdp_flags; - __u32 sxdp_ifindex; - __u32 sxdp_queue_id; - __u32 sxdp_shared_umem_fd; -}; - -/* XDP_RING flags */ -#define XDP_RING_NEED_WAKEUP (1 << 0) - -struct xdp_ring_offset { - __u64 producer; - __u64 consumer; - __u64 desc; - __u64 flags; -}; - -struct xdp_mmap_offsets { - struct xdp_ring_offset rx; - struct xdp_ring_offset tx; - struct xdp_ring_offset fr; /* Fill */ - struct xdp_ring_offset cr; /* Completion */ -}; - -/* XDP socket options */ -#define XDP_MMAP_OFFSETS 1 -#define XDP_RX_RING 2 -#define XDP_TX_RING 3 -#define XDP_UMEM_REG 4 -#define XDP_UMEM_FILL_RING 5 -#define XDP_UMEM_COMPLETION_RING 6 -#define XDP_STATISTICS 7 -#define XDP_OPTIONS 8 - -struct xdp_umem_reg { - __u64 addr; /* Start of packet data area */ - __u64 len; /* Length of packet data area */ - __u32 chunk_size; - __u32 headroom; - __u32 flags; -}; - -struct xdp_statistics { - __u64 rx_dropped; /* Dropped for reasons other than invalid desc */ - __u64 rx_invalid_descs; /* Dropped due to invalid descriptor */ - __u64 tx_invalid_descs; /* Dropped due to invalid descriptor */ -}; - -struct xdp_options { - __u32 flags; -}; - -/* Flags for the flags field of struct xdp_options */ -#define XDP_OPTIONS_ZEROCOPY (1 << 0) - -/* Pgoff for mmaping the rings */ -#define XDP_PGOFF_RX_RING 0 -#define XDP_PGOFF_TX_RING 0x80000000 -#define XDP_UMEM_PGOFF_FILL_RING 0x100000000ULL -#define XDP_UMEM_PGOFF_COMPLETION_RING 0x180000000ULL - -/* Masks for unaligned chunks mode */ -#define XSK_UNALIGNED_BUF_OFFSET_SHIFT 48 -#define XSK_UNALIGNED_BUF_ADDR_MASK \ - ((1ULL << XSK_UNALIGNED_BUF_OFFSET_SHIFT) - 1) - -/* Rx/Tx descriptor */ -struct xdp_desc { - __u64 addr; - __u32 len; - __u32 options; -}; - -/* UMEM descriptor is __u64 */ - -#endif /* _LINUX_IF_XDP_H */ -- cgit v1.2.3