dc68054305
- Restore 29 recipe symlinks (libdrm, qtbase, dbus, sddm, pipewire, etc.) - Restore 33 patches (KDE, libdrm, mesa, pipewire, sddm, wireplumber) - Restore 20+ local/scripts (audit, lint, test, build helpers) - Restore src/cook/scheduler.rs, status.rs, gnu-config/ - Restore scripts/patch-inclusion-gate.sh, run_mini1.sh, validate-collision-log.sh - Recover TLC source from HEAD (was overwritten by 0.2.3 checkout) - Recover 11 local/docs plans from HEAD (were overwritten) - Recover qt6-wayland-smoke symlink from HEAD - Fix MOTD: remove garbled ASCII art, use clean text - Update version: 0.2.0 -> 0.2.4 in os-release, motd, config - Reduce filesystem_size: 1536 -> 512 MiB - Add ABSOLUTE RULE to AGENTS.md: never delete/ignore packages - Reduce pcid scheme log verbosity: info -> debug
78 lines
1.5 KiB
C
78 lines
1.5 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
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/*
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* Universal TUN/TAP device driver.
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* Copyright (C) 1999-2000 Maxim Krasnyansky <max_mk@yahoo.com>
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*/
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#ifndef __IF_TUN_H
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#define __IF_TUN_H
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#include <uapi/linux/if_tun.h>
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#include <uapi/linux/virtio_net.h>
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#define TUN_XDP_FLAG 0x1UL
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#define TUN_MSG_UBUF 1
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#define TUN_MSG_PTR 2
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struct tun_msg_ctl {
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unsigned short type;
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unsigned short num;
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void *ptr;
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};
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#if defined(CONFIG_TUN) || defined(CONFIG_TUN_MODULE)
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struct socket *tun_get_socket(struct file *);
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struct ptr_ring *tun_get_tx_ring(struct file *file);
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static inline bool tun_is_xdp_frame(void *ptr)
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{
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return (unsigned long)ptr & TUN_XDP_FLAG;
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}
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static inline void *tun_xdp_to_ptr(struct xdp_frame *xdp)
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{
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return (void *)((unsigned long)xdp | TUN_XDP_FLAG);
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}
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static inline struct xdp_frame *tun_ptr_to_xdp(void *ptr)
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{
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return (void *)((unsigned long)ptr & ~TUN_XDP_FLAG);
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}
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void tun_ptr_free(void *ptr);
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#else
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#include <linux/err.h>
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#include <linux/errno.h>
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struct file;
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struct socket;
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static inline struct socket *tun_get_socket(struct file *f)
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{
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return ERR_PTR(-EINVAL);
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}
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static inline struct ptr_ring *tun_get_tx_ring(struct file *f)
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{
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return ERR_PTR(-EINVAL);
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}
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static inline bool tun_is_xdp_frame(void *ptr)
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{
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return false;
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}
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static inline void *tun_xdp_to_ptr(struct xdp_frame *xdp)
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{
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return NULL;
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}
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static inline struct xdp_frame *tun_ptr_to_xdp(void *ptr)
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{
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return NULL;
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}
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static inline void tun_ptr_free(void *ptr)
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{
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}
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#endif /* CONFIG_TUN */
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#endif /* __IF_TUN_H */
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