| /linux/tools/bpf/bpftool/Documentation/ |
| H A D | bpftool-cgroup.rst | 1 .. SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
4 bpftool-cgroup
6 -------------------------------------------------------------------------------
8 -------------------------------------------------------------------------------
19 *OPTIONS* := { |COMMON_OPTIONS| | { **-f** | **--bpffs** } }
48 | *ATTACH_FLAGS* := { **multi** | **override** }
78 *ATTACH_FLAGS* can be one of: **override** if a sub-cgroup installs some
79 bpf program, the program in this cgroup yields to sub-cgroup program;
80 **multi** if a sub-cgroup installs some bpf program, that cgroup program
87 Multiple programs are allowed to be attached to a cgroup with **multi**.
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| /linux/Documentation/networking/ |
| H A D | iso15765-2.rst | 1 .. SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause)
4 ISO 15765-2 (ISO-TP)
10 ISO 15765-2, also known as ISO-TP, is a transport protocol specifically defined
12 industry, for example as the transport protocol for UDSonCAN (ISO 14229-3) or
13 emission-related diagnostic services (ISO 15031-5).
15 ISO-TP can be used both on CAN CC (aka Classical CAN) and CAN FD (CAN with
21 -------------------
23 * ISO 15765-2:2024 : Road vehicles - Diagnostic communication over Controller
27 ----------
29 In its simplest form, ISO-TP is based on two kinds of addressing modes for the
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| H A D | can.rst | 2 SocketCAN - Controller Area Network
13 socket API, the Linux network stack and implements the CAN device
14 drivers as network interfaces. The CAN socket API has been designed
20 .. _socketcan-motivation:
22 Motivation / Why Using the Socket API
29 functionality. Usually, there is only a hardware-specific device
32 Queueing of frames and higher-level transport protocols like ISO-TP
34 character-device implementations support only one single process to
41 protocol family has been implemented which provides a socket interface
47 protocol family module and also vice-versa. Also, the protocol family
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| H A D | scaling.rst | 1 .. SPDX-License-Identifier: GPL-2.0
13 multi-processor systems.
17 - RSS: Receive Side Scaling
18 - RPS: Receive Packet Steering
19 - RFS: Receive Flow Steering
20 - Accelerated Receive Flow Steering
21 - XPS: Transmit Packet Steering
28 (multi-queue). On reception, a NIC can send different packets to different
33 generally known as “Receive-side Scaling” (RSS). The goal of RSS and
35 Multi-queue distribution can also be used for traffic prioritization, but
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| /linux/tools/testing/selftests/bpf/prog_tests/ |
| H A D | sk_lookup.c | 1 // SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
4 * Test BPF attach point for INET socket lookup (BPF_SK_LOOKUP).
7 * - attaching/detaching/querying programs to BPF_SK_LOOKUP hook,
8 * - redirecting socket lookup to a socket selected by BPF program,
9 * - failing a socket lookup on BPF program's request,
10 * - error scenarios for selecting a socket from BPF program,
11 * - accessing BPF program context,
12 * - attaching and running multiple BPF programs.
74 bool reuseport_has_conns; /* Add a connected socket to reuseport group */
96 errno = -prog_fd; in attach_reuseport()
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| /linux/drivers/tty/serial/8250/ |
| H A D | serial_cs.c | 1 // SPDX-License-Identifier: (GPL-2.0 OR MPL-1.1)
69 /* Table of multi-port card ID's */
74 int multi; /* 1 = multifunction, > 1 = # ports */ member
84 int multi; member
94 * vers_1 5.0, "Brain Boxes", "2-Port RS232 card", "r6"
104 uart->port.uartclk = 14745600; in quirk_setup_brainboxes_0104()
122 return -ENODEV; in quirk_post_ibm()
127 * be handled by setting the quirk entry .multi = 0 | 1 ?
131 struct serial_info *info = link->priv; in quirk_config_nokia()
133 if (info->multi > 1) in quirk_config_nokia()
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| /linux/Documentation/driver-api/media/drivers/ |
| H A D | tuners.rst | 1 .. SPDX-License-Identifier: GPL-2.0
7 ------------------------
12 - L= LG_API (VHF_LO=0x01, VHF_HI=0x02, UHF=0x08, radio=0x04)
13 - P= PHILIPS_API (VHF_LO=0xA0, VHF_HI=0x90, UHF=0x30, radio=0x04)
14 - T= TEMIC_API (VHF_LO=0x02, VHF_HI=0x04, UHF=0x01)
15 - A= ALPS_API (VHF_LO=0x14, VHF_HI=0x12, UHF=0x11)
16 - M= PHILIPS_MK3 (VHF_LO=0x01, VHF_HI=0x02, UHF=0x04, radio=0x19)
19 -------------------
21 - Samsung Tuner identification: (e.g. TCPM9091PD27)
23 .. code-block:: none
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| /linux/Documentation/security/ |
| H A D | SCTP.rst | 1 .. SPDX-License-Identifier: GPL-2.0
11 --------------
26 Passes the ``@asoc`` and ``@chunk->skb`` of the association INIT packet to the
30 @asoc - pointer to sctp association structure.
31 @skb - pointer to skbuff of association packet.
42 @sk - Pointer to sock structure.
43 @optname - Name of the option to validate.
44 @address - One or more ipv4 / ipv6 addresses.
45 @addrlen - The total length of address(s). This is calculated on each
49 ------------------------------------------------------------------
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| /linux/Documentation/devicetree/bindings/cpu/ |
| H A D | cpu-topology.txt | 6 1 - Introduction
12 - socket
13 - cluster
14 - core
15 - thread
18 symmetric multi-threading (SMT) is supported or not.
29 Currently, only ARM/RISC-V intend to use this cpu topology binding but it may be
39 2 - cpu-map node
42 The ARM/RISC-V CPU topology is defined within the cpu-map node, which is a direct
46 - cpu-map node
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| /linux/tools/perf/pmu-events/arch/x86/sapphirerapids/ |
| H A D | uncore-memory.json | 3 "BriefDescription": "Cycles - at UCLK",
228 "BriefDescription": "Multi-socket cacheline Directory lookups (any state found)",
238 "BriefDescription": "Multi-socket cacheline Directory lookups (cacheline found in A state)",
248 "BriefDescription": "Multi-socket cacheline Directory lookup (cacheline found in I state)",
258 "BriefDescription": "Multi-socket cacheline Directory lookup (cacheline found in S state)",
348 "BriefDescription": "Multi-socket cacheline Directory update from A to I",
358 "BriefDescription": "Multi-socket cacheline Directory update from A to S",
368 "BriefDescription": "Multi-socket cacheline Directory update from/to Any state",
377 "BriefDescription": "Multi-socket cacheline Directory Updates",
390 "BriefDescription": "Multi-socket cacheline Directory Updates",
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| H A D | uncore-interconnect.json | 31 "BriefDescription": "FAF - request insert from TC.",
47 "BriefDescription": "FAF allocation -- sent to ADQ",
84 … "BriefDescription": "Counts Timeouts - Set 0 : Cache Inserts of Atomic Transactions as Secondary",
94 … "BriefDescription": "Counts Timeouts - Set 0 : Cache Inserts of Read Transactions as Secondary",
104 … "BriefDescription": "Counts Timeouts - Set 0 : Cache Inserts of Write Transactions as Secondary",
114 "BriefDescription": "Counts Timeouts - Set 0 : Fastpath Rejects",
124 "BriefDescription": "Counts Timeouts - Set 0 : Fastpath Requests",
134 … "BriefDescription": "Counts Timeouts - Set 0 : Fastpath Transfers From Primary to Secondary",
144 … "BriefDescription": "Counts Timeouts - Set 0 : Prefetch Ack Hints From Primary to Secondary",
154 "BriefDescription": "Counts Timeouts - Set 0 : Slow path fwpf didn't find prefetch",
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| /linux/tools/perf/pmu-events/arch/x86/emeraldrapids/ |
| H A D | uncore-memory.json | 3 "BriefDescription": "Cycles - at UCLK",
228 "BriefDescription": "Multi-socket cacheline Directory lookups (any state found)",
238 "BriefDescription": "Multi-socket cacheline Directory lookups (cacheline found in A state)",
248 "BriefDescription": "Multi-socket cacheline Directory lookup (cacheline found in I state)",
258 "BriefDescription": "Multi-socket cacheline Directory lookup (cacheline found in S state)",
348 "BriefDescription": "Multi-socket cacheline Directory update from A to I",
358 "BriefDescription": "Multi-socket cacheline Directory update from A to S",
368 "BriefDescription": "Multi-socket cacheline Directory update from/to Any state",
377 "BriefDescription": "Multi-socket cacheline Directory Updates",
390 "BriefDescription": "Multi-socket cacheline Directory Updates",
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| H A D | uncore-interconnect.json | 31 "BriefDescription": "FAF - request insert from TC.",
47 "BriefDescription": "FAF allocation -- sent to ADQ",
84 … "BriefDescription": "Counts Timeouts - Set 0 : Cache Inserts of Atomic Transactions as Secondary",
94 … "BriefDescription": "Counts Timeouts - Set 0 : Cache Inserts of Read Transactions as Secondary",
104 … "BriefDescription": "Counts Timeouts - Set 0 : Cache Inserts of Write Transactions as Secondary",
114 "BriefDescription": "Counts Timeouts - Set 0 : Fastpath Rejects",
124 "BriefDescription": "Counts Timeouts - Set 0 : Fastpath Requests",
134 … "BriefDescription": "Counts Timeouts - Set 0 : Fastpath Transfers From Primary to Secondary",
144 … "BriefDescription": "Counts Timeouts - Set 0 : Prefetch Ack Hints From Primary to Secondary",
154 "BriefDescription": "Counts Timeouts - Set 0 : Slow path fwpf didn't find prefetch",
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| /linux/tools/perf/pmu-events/arch/arm64/ |
| H A D | common-and-microarch.json | 129 "PublicDescription": "Attributable Level 1 data cache write-back",
132 "BriefDescription": "Attributable Level 1 data cache write-back"
147 "PublicDescription": "Attributable Level 2 data cache write-back",
150 "BriefDescription": "Attributable Level 2 data cache write-back"
273 "PublicDescription": "Access to another socket in a multi-socket system",
276 "BriefDescription": "Access to another socket in a multi
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| /linux/drivers/isdn/mISDN/ |
| H A D | l1oip_core.c | 1 // SPDX-License-Identifier: GPL-2.0-or-later
15 Value 3 = BRI (multi channel frame, not supported yet)
16 Value 4 = PRI (multi channel frame, not supported yet)
17 A multi channel frame reduces overhead to a single frame for all
18 b-channels, but increases delay.
19 (NOTE: Multi channel frames are not implemented yet.)
28 0 = we use a-Law (default)
29 1 = we use u-Law
32 limitation of B-channels to control bandwidth (1...126)
34 PRI: 1-30, 31-126 (126, because dchannel ist not counted here)
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| H A D | Makefile | 1 # SPDX-License-Identifier: GPL-2.0
6 obj-$(CONFIG_MISDN) += mISDN_core.o
7 obj-$(CONFIG_MISDN_DSP) += mISDN_dsp.o
8 obj-$(CONFIG_MISDN_L1OIP) += l1oip.o
10 # multi objects
12 mISDN_core-objs := core.o fsm.o socket.o clock.o hwchannel.o stack.o layer1.o layer2.o tei.o timerd…
13 mISDN_dsp-objs := dsp_core.o dsp_cmx.o dsp_tones.o dsp_dtmf.o dsp_audio.o dsp_blowfish.o dsp_pipeli…
14 l1oip-objs := l1oip_core.o l1oip_codec.o
|
| /linux/drivers/pcmcia/ |
| H A D | ds.c | 1 // SPDX-License-Identifier: GPL-2.0-only
3 * ds.c -- 16-bit PCMCIA core support
10 * (C) 2003 - 2010 Dominik Brodowski
23 #include <linux/dma-mapping.h>
45 const struct pcmcia_device_id *did = p_drv->id_table; in pcmcia_check_driver()
49 if (!p_drv->probe || !p_drv->remove) in pcmcia_check_driver()
51 "function\n", p_drv->name); in pcmcia_check_driver()
53 while (did && did->match_flags) { in pcmcia_check_driver()
55 if (!did->prod_id[i]) in pcmcia_check_driver()
58 hash = crc32(0, did->prod_id[i], strlen(did->prod_id[i])); in pcmcia_check_driver()
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| /linux/tools/usb/ |
| H A D | p9_fwd.py | 2 # SPDX-License-Identifier: GPL-2.0
7 import socket
23 return f"{dev.bus}-{dev_path}"
69 # we have to detach the usb-storage driver from multi gadget since
99 # create and connect socket
100 self.s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
124 data += self.ep_in.read(size - len(data))
138 data += self.s.recv(size - len(data))
158 if (time.monotonic() - self.stats_logged) < interval:
167 with open(f"/sys/bus/usb/devices/{dev.bus}-{dev.address}/{name}") as f:
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| /linux/arch/um/drivers/ |
| H A D | Kconfig | 1 # SPDX-License-Identifier: GPL-2.0
14 The User-Mode Linux environment allows you to create virtual serial
18 See <http://user-mode-linux.sourceforge.net/old/input.html> for more
44 lines to host pseudo-terminals. Access to both traditional
45 pseudo-terminals (/dev/pty*) and pts pseudo-terminals are controlled
55 (/dev/tty*) and the slave side of pseudo-terminals (/dev/ttyp* and
107 traditional pseudo-terminals.
131 While the User-Mode port cannot directly talk to any physical
139 <http://user-mode-linux.sourceforge.net/old/networking.html>.
141 If you'd like to be able to enable networking in the User-Mode
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| /linux/include/uapi/linux/ |
| H A D | psp-dbc.h | 1 /* SPDX-License-Identifier: GPL-2.0-only WITH Linux-syscall-note */
24 * struct dbc_user_nonce - Nonce exchange structure (input/output).
27 * 1: authentication: PSP will return multi-use nonce.
39 * struct dbc_user_setuid - UID exchange structure (input).
49 * struct dbc_user_param - Parameter exchange structure (input/output).
53 * - When sending a message this is to be created by software
55 * - For interpreting results, this signature is updated by the
70 * -EINVAL: invalid input
71 * -E2BIG: excess data passed
72 * -EFAULT: failed to copy to/from userspace
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| H A D | if_xdp.h | 1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
3 * if_xdp: XDP socket user-space interface
17 #define XDP_COPY (1 << 1) /* Force copy-mode */
18 #define XDP_ZEROCOPY (1 << 2) /* Force zero-copy mode */
30 * multi-buffer XDP frames into multiple Rx descriptors. Without this set
44 /* Request to reserve tx_metadata_len bytes of per-chunk metadata.
73 /* XDP socket options */
117 ((1ULL << XSK_UNALIGNED_BUF_OFFSET_SHIFT) - 1)
141 /* Offset from desc->addr where checksumming should start. */
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| /linux/tools/include/uapi/linux/ |
| H A D | if_xdp.h | 1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
3 * if_xdp: XDP socket user-space interface
17 #define XDP_COPY (1 << 1) /* Force copy-mode */
18 #define XDP_ZEROCOPY (1 << 2) /* Force zero-copy mode */
30 * multi-buffer XDP frames into multiple Rx descriptors. Without this set
44 /* Request to reserve tx_metadata_len bytes of per-chunk metadata.
73 /* XDP socket options */
117 ((1ULL << XSK_UNALIGNED_BUF_OFFSET_SHIFT) - 1)
141 /* Offset from desc->addr where checksumming should start. */
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| /linux/Documentation/virt/uml/ |
| H A D | user_mode_linux_howto_v2.rst | 1 .. SPDX-License-Identifier: GPL-2.0
25 Most OSes today have built-in support for a number of "fake"
27 User Mode Linux takes this concept to the ultimate extreme - there
30 concepts which map onto something provided by the host - files, sockets,
36 The UML kernel is just a process running on Linux - same as any other
57 * You can run a usermode kernel as a non-root user (you may need to
99 This is extremely easy on Debian - you can do it using debootstrap. It is
100 also easy on OpenWRT - the build process can build UML images. All other
101 distros - YMMV.
114 or by running ``tune2fs -o discard /dev/ubdXX`` will request UML to
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| /linux/drivers/eisa/ |
| H A D | eisa.ids | 6 # Marc Zyngier <maz@wild-wind.fr.eu.org>
10 ABP0510 "Advansys ABP-510 ISA SCSI Host Adapter"
11 ABP0540 "Advansys ABP-540/542 ISA SCSI Host Adapter"
12 ABP7401 "AdvanSys ABP-740/742 EISA Single Channel SCSI Host Adapter"
13 ABP7501 "AdvanSys ABP-750/752 EISA Dual Channel SCSI Host Adapter"
14 ACC1200 "ACCTON EtherCombo-32 Ethernet Adapter"
15 ACC120A "ACCTON EtherCombo-32 Ethernet Adapter"
25 ACE7010 "ACME Multi-Function Board"
39 ACR1711 "AcerFrame 1000 486/33 SYSTEM-2"
41 ACR3211 "AcerFrame 3000MP 486 SYSTEM-1"
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| /linux/tools/testing/ktest/examples/ |
| H A D | vmware.conf | 5 # -------------
6 # - Edit the Virtual Machine ("Edit virtual machine settings")
7 # - Add a Serial Port
8 # - You almost certainly want it set "Connect at power on"
9 # - Select "Use socket (named pipe)"
10 # - Select a name that you'll recognize, like 'ktestserialpipe'
11 # - From: Server
12 # - To: A Virtual Machine
13 # - Save
14 # - Make sure you note the name, it will be in the base directory of the
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