678f6e28b5
Add an interface for the user to notify the kernel that it is done reading the devmem dmabuf frags returned as cmsg. The kernel will drop the reference on the frags to make them available for reuse. Signed-off-by: Willem de Bruijn <willemb@google.com> Signed-off-by: Kaiyuan Zhang <kaiyuanz@google.com> Signed-off-by: Mina Almasry <almasrymina@google.com> Reviewed-by: Pavel Begunkov <asml.silence@gmail.com> Reviewed-by: Eric Dumazet <edumazet@google.com> Link: https://patch.msgid.link/20240910171458.219195-11-almasrymina@google.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
174 lines
4.1 KiB
C
174 lines
4.1 KiB
C
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
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#ifndef _UAPI_ASM_SOCKET_H
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#define _UAPI_ASM_SOCKET_H
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#include <linux/posix_types.h>
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#include <asm/sockios.h>
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/* For setsockopt(2) */
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/*
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* Note: we only bother about making the SOL_SOCKET options
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* same as OSF/1, as that's all that "normal" programs are
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* likely to set. We don't necessarily want to be binary
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* compatible with _everything_.
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*/
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#define SOL_SOCKET 0xffff
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#define SO_DEBUG 0x0001
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#define SO_REUSEADDR 0x0004
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#define SO_KEEPALIVE 0x0008
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#define SO_DONTROUTE 0x0010
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#define SO_BROADCAST 0x0020
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#define SO_LINGER 0x0080
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#define SO_OOBINLINE 0x0100
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#define SO_REUSEPORT 0x0200
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#define SO_TYPE 0x1008
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#define SO_ERROR 0x1007
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#define SO_SNDBUF 0x1001
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#define SO_RCVBUF 0x1002
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#define SO_SNDBUFFORCE 0x100a
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#define SO_RCVBUFFORCE 0x100b
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#define SO_RCVLOWAT 0x1010
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#define SO_SNDLOWAT 0x1011
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#define SO_RCVTIMEO_OLD 0x1012
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#define SO_SNDTIMEO_OLD 0x1013
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#define SO_ACCEPTCONN 0x1014
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#define SO_PROTOCOL 0x1028
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#define SO_DOMAIN 0x1029
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/* linux-specific, might as well be the same as on i386 */
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#define SO_NO_CHECK 11
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#define SO_PRIORITY 12
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#define SO_BSDCOMPAT 14
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#define SO_PASSCRED 17
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#define SO_PEERCRED 18
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#define SO_BINDTODEVICE 25
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/* Socket filtering */
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#define SO_ATTACH_FILTER 26
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#define SO_DETACH_FILTER 27
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#define SO_GET_FILTER SO_ATTACH_FILTER
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#define SO_PEERNAME 28
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#define SO_PEERSEC 30
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#define SO_PASSSEC 34
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/* Security levels - as per NRL IPv6 - don't actually do anything */
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#define SO_SECURITY_AUTHENTICATION 19
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#define SO_SECURITY_ENCRYPTION_TRANSPORT 20
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#define SO_SECURITY_ENCRYPTION_NETWORK 21
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#define SO_MARK 36
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#define SO_RXQ_OVFL 40
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#define SO_WIFI_STATUS 41
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#define SCM_WIFI_STATUS SO_WIFI_STATUS
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#define SO_PEEK_OFF 42
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/* Instruct lower device to use last 4-bytes of skb data as FCS */
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#define SO_NOFCS 43
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#define SO_LOCK_FILTER 44
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#define SO_SELECT_ERR_QUEUE 45
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#define SO_BUSY_POLL 46
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#define SO_MAX_PACING_RATE 47
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#define SO_BPF_EXTENSIONS 48
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#define SO_INCOMING_CPU 49
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#define SO_ATTACH_BPF 50
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#define SO_DETACH_BPF SO_DETACH_FILTER
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#define SO_ATTACH_REUSEPORT_CBPF 51
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#define SO_ATTACH_REUSEPORT_EBPF 52
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#define SO_CNX_ADVICE 53
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#define SCM_TIMESTAMPING_OPT_STATS 54
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#define SO_MEMINFO 55
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#define SO_INCOMING_NAPI_ID 56
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#define SO_COOKIE 57
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#define SCM_TIMESTAMPING_PKTINFO 58
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#define SO_PEERGROUPS 59
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#define SO_ZEROCOPY 60
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#define SO_TXTIME 61
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#define SCM_TXTIME SO_TXTIME
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#define SO_BINDTOIFINDEX 62
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#define SO_TIMESTAMP_OLD 29
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#define SO_TIMESTAMPNS_OLD 35
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#define SO_TIMESTAMPING_OLD 37
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#define SO_TIMESTAMP_NEW 63
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#define SO_TIMESTAMPNS_NEW 64
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#define SO_TIMESTAMPING_NEW 65
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#define SO_RCVTIMEO_NEW 66
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#define SO_SNDTIMEO_NEW 67
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#define SO_DETACH_REUSEPORT_BPF 68
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#define SO_PREFER_BUSY_POLL 69
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#define SO_BUSY_POLL_BUDGET 70
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#define SO_NETNS_COOKIE 71
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#define SO_BUF_LOCK 72
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#define SO_RESERVE_MEM 73
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#define SO_TXREHASH 74
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#define SO_RCVMARK 75
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#define SO_PASSPIDFD 76
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#define SO_PEERPIDFD 77
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#define SO_DEVMEM_LINEAR 78
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#define SCM_DEVMEM_LINEAR SO_DEVMEM_LINEAR
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#define SO_DEVMEM_DMABUF 79
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#define SCM_DEVMEM_DMABUF SO_DEVMEM_DMABUF
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#define SO_DEVMEM_DONTNEED 80
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#if !defined(__KERNEL__)
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#if __BITS_PER_LONG == 64
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#define SO_TIMESTAMP SO_TIMESTAMP_OLD
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#define SO_TIMESTAMPNS SO_TIMESTAMPNS_OLD
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#define SO_TIMESTAMPING SO_TIMESTAMPING_OLD
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#define SO_RCVTIMEO SO_RCVTIMEO_OLD
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#define SO_SNDTIMEO SO_SNDTIMEO_OLD
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#else
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#define SO_TIMESTAMP (sizeof(time_t) == sizeof(__kernel_long_t) ? SO_TIMESTAMP_OLD : SO_TIMESTAMP_NEW)
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#define SO_TIMESTAMPNS (sizeof(time_t) == sizeof(__kernel_long_t) ? SO_TIMESTAMPNS_OLD : SO_TIMESTAMPNS_NEW)
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#define SO_TIMESTAMPING (sizeof(time_t) == sizeof(__kernel_long_t) ? SO_TIMESTAMPING_OLD : SO_TIMESTAMPING_NEW)
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#define SO_RCVTIMEO (sizeof(time_t) == sizeof(__kernel_long_t) ? SO_RCVTIMEO_OLD : SO_RCVTIMEO_NEW)
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#define SO_SNDTIMEO (sizeof(time_t) == sizeof(__kernel_long_t) ? SO_SNDTIMEO_OLD : SO_SNDTIMEO_NEW)
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#endif
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#define SCM_TIMESTAMP SO_TIMESTAMP
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#define SCM_TIMESTAMPNS SO_TIMESTAMPNS
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#define SCM_TIMESTAMPING SO_TIMESTAMPING
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#endif
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#endif /* _UAPI_ASM_SOCKET_H */
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