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/linux/Documentation/networking/
H A Dx25-iface.rst1 .. SPDX-License-Identifier: GPL-2.0
11 Layer and the X.25 device driver. They are designed to allow for the easy
12 setting of the LAPB mode from within the Packet Layer.
18 needs to be passed to and from the Packet Layer for proper operation.
21 over the LAPB link. The first byte of the skbuff indicates the meaning of
25 Packet Layer to Device Driver
26 -----------------------------
31 over the LAPB link. The LAPB link should already exist before any data is
36 Establish the LAPB link. If the link is already established then the connect
41 Terminate the LAPB link. If it is already disconnected then the disconnect
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H A Dphonet.rst1 .. SPDX-License-Identifier: GPL-2.0
9 -------
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H A Dx25.rst1 .. SPDX-License-Identifier: GPL-2.0
9 Packet Layer and a LAPB module to allow for "normal" X.25 to be run using
12 framing, bit-stuffing and checksumming. These both need to be handled by the
16 Packet Layer is concerned, the link layer was being performed by a lower
17 layer of the Linux kernel and therefore it did not concern itself with
25 the Packet Layer but there would be no confusion since the class of device
29 option appeared, XOT. This allows X.25 Packet Layer frames to operate over
30 the Internet using TCP/IP as a reliable link layer. RFC1613 specifies the
34 A linux-x25 mailing list has been created at vger.kernel.org to support the
39 subscribe linux-x25
H A Dbatman-adv.rst1 .. SPDX-License-Identifier: GPL-2.0
4 batman-adv
9 using UDP packets and sets routing tables, batman-advanced operates on ISO/OSI
10 Layer 2 only and uses and routes (or better: bridges) Ethernet Frames. It
12 nodes appear to be link local, thus all higher operating protocols won't be
18 on wifi as well as ethernet lan, vpn, etc ... (anything with ethernet-style
19 layer 2).
25 Load the batman-adv module into your kernel::
27 $ insmod batman-adv.ko
30 batman-adv can operate. The batman-adv mesh-interface can be created using the
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/linux/include/uapi/linux/
H A Dif_bonding.h1 /* SPDX-License-Identifier: GPL-1.0+ WITH Linux-syscall-note */
6 * Portions are (c) Copyright 1995 Simon "Guru Aleph-Null" Janes
15 * 2003/03/18 - Amir Noam <amir.noam at intel dot com>
16 * - Added support for getting slave's speed and duplex via ethtool.
19 * 2003/03/18 - Tsippy Mendelson <tsippy.mendelson at intel dot com> and
21 * - Enabl
118 __s8 link; global() member
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/linux/net/x25/
H A DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
3 # CCITT X.25 Packet Layer
7 tristate "CCITT X.25 Packet Layer"
11 entry point can carry several logical point-to-point connections
16 protocols: the higher level Packet Layer Protocol (PLP) (say Y here
17 if you want that) and the lower level data link layer protocol LAPB
18 (say Y to "LAPB Data Link Driver" below if you want that).
22 <file:Documentation/networking/x25-iface.rst>.
28 Ethernet card and the LAPB over Ethernet (say Y to "LAPB Data Link
/linux/Documentation/devicetree/bindings/reset/
H A Dsocionext,uniphier-glue-reset.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/reset/socionext,uniphier-glue-reset.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Socionext UniPhier peripheral core reset in glue layer
10 Some peripheral core reset belongs to its own glue layer. Before using
12 enable this layer. These clocks and resets should be described in each
16 - Kunihiko Hayashi <hayashi.kunihiko@socionext.com>
21 - socionext,uniphier-pro4-usb3-reset
22 - socionext,uniphier-pro5-usb3-reset
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/linux/tools/testing/selftests/net/
H A Dpmtu.sh2 # SPDX-License-Identifier: GPL-2.0
9 # - pmtu_ipv4
14 # .--------------R1--------------. b_r1: 1400
16 # '--------------R2--------------' b_r2: 1500
20 # decrease and increase the MTU of the local link for one of the paths,
26 # - pmtu_ipv6
29 # - pmtu_ipv4_dscp_icmp_exception
30 # Set up the same network topology as pmtu_ipv4, but use non-default
31 # routing table in A. A fib-rule is used to jump to this routing table
35 # - pmtu_ipv4_dscp_udp_exception
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/linux/Documentation/networking/device_drivers/ethernet/netronome/
H A Dnfp.rst1 .. SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
14 - `Overview`_
15 - `Acquiring Firmware`_
16 - `Devlink Info`_
17 - `Configure Device`_
18 - `Statistics`_
25 are also incorporated in the companies' family of Agilio SmartNICs. The SR-IOV
35 Firmware files on the host filesystem contain card type (`AMDA-*` string), media
40 `linux-firmware.git` repository.
46 -----------------
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/linux/net/lapb/
H A DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
3 # LAPB Data Link Drive
7 tristate "LAPB Data Link Driver"
9 Link Access Procedure, Balanced (LAPB) is the data link layer (i.e.
13 Layer, the higher part of X.25, but others are possible as well).
18 <file:Documentation/networking/lapb-module.rst> for technical
/linux/Documentation/devicetree/bindings/regulator/
H A Dsocionext,uniphier-regulator.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/regulator/socionext,uniphier-regulator.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 This regulator controls VBUS and belongs to USB3 glue layer. Before using
12 this layer. These clocks and resets should be described in each property.
15 - Kunihiko Hayashi <hayashi.kunihiko@socionext.com>
22 - socionext,uniphier-pro4-usb3-regulator
23 - socionext,uniphier-pro5-usb3-regulator
24 - socionext,uniphier-pxs2-usb3-regulator
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/linux/Documentation/driver-api/nfc/
H A Dnfc-hci.rst5 - Author: Eric Lapuyade, Samuel Ortiz
6 - Contact: eric.lapuyade@intel.com, samuel.ortiz@intel.com
9 -------
11 The HCI layer implements much of the ETSI TS 102 622 V10.2.0 specification. It
12 enables easy writing of HCI-based NFC drivers. The HCI layer runs as an NFC Core
17 ---
21 they are translated in a sequence of HCI commands sent to the HCI layer in the
30 - one for executing commands : nfc_hci_msg_tx_work(). Only one command
32 - one for dispatching received events and commands : nfc_hci_msg_rx_work().
35 --------------------------
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/linux/net/llc/
H A Dllc_s_ac.c
/linux/Documentation/devicetree/bindings/soc/socionext/
H A Dsocionext,uniphier-dwc3-glue.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/soc/socionext/socionext,uniphier-dwc3-glue.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Socionext UniPhier SoC DWC3 USB3.0 glue layer
10 - Kunihiko Hayashi <hayashi.kunihiko@socionext.com>
13 DWC3 USB3.0 glue layer implemented on Socionext UniPhier SoCs is
20 - enum:
21 - socionext,uniphier-pro4-dwc3-glue
22 - socionext,uniphier-pro5-dwc3-glue
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H A Dsocionext,uniphier-ahci-glue.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/soc/socionext/socionext,uniphier-ahci-glue.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Socionext UniPhier SoC AHCI glue layer
10 - Kunihiko Hayashi <hayashi.kunihiko@socionext.com>
13 AHCI glue layer implemented on Socionext UniPhier SoCs is a sideband
19 - enum:
20 - socionext,uniphier-pro4-ahci-glue
21 - socionext,uniphier-pxs2-ahci-glue
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/linux/drivers/usb/gadget/function/
H A Du_ether.c1 // SPDX-License-Identifier: GPL-2.0+
3 * u_ether.c -- Ethernet-over-USB link layer utilities for Gadget stack
5 * Copyright (C) 2003-2005,2008 David Brownell
6 * Copyright (C) 2003-2004 Robert Schwebel, Benedikt Spranger
28 * This component encapsulates the Ethernet link glue needed to provide
29 * one (!) network link through the USB gadget stack, normally "usb0".
36 * Link level addressing is handled by this component using module
37 * parameters; if no such parameters are provided, random link level
38 * addresses are used. Each end of the link uses one address. The
42 * The driver which assembles each configuration using such a link is
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H A Du_ether.h1 /* SPDX-License-Identifier: GPL-2.0+ */
3 * u_ether.h -- interface to USB gadget "ethernet link" utilities
5 * Copyright (C) 2003-2005,2008 David Brownell
6 * Copyright (C) 2003-2004 Robert Schwebel, Benedikt Spranger
42 * This represents the USB side of an "ethernet" link, managed by a USB
44 * in different configurations could share the same ethernet link/netdev,
47 * There is a current limitation that only one instance of this link may
49 * layer facilities can be used to package multiple logical links on this
96 /* gether_setup - initialize one ethernet-over-usb link
99 * host side of the link is recorded
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/linux/drivers/net/ethernet/marvell/octeontx2/af/
H A Drvu_nix.c1 // SPDX-License-Identifier: GPL-2.0
98 return rvu->nix_blkaddr[blkaddr]; in rvu_get_next_nix_blkaddr()
101 if (rvu->nix_blkaddr[i] == blkaddr) in rvu_get_next_nix_blkaddr()
102 return rvu->nix_blkaddr[i + 1]; in rvu_get_next_nix_blkaddr()
115 if (!pfvf->nixlf || blkaddr < 0) in is_nixlf_attached()
127 block = &rvu->hw->block[blkaddr]; in rvu_get_nixlf_count()
128 max += block->l in rvu_get_nixlf_count()
2058 int link; nix_reset_tx_linkcfg() local
2130 nix_get_txschq_range(struct rvu * rvu,u16 pcifunc,int link,int * start,int * end) nix_get_txschq_range() argument
2156 int link, start, end; nix_check_txschq_alloc_req() local
2288 int link, blkaddr, rc = 0; rvu_mbox_handler_nix_txsch_alloc() local
4690 int blkaddr, link = -1; rvu_mbox_handler_nix_set_hw_frs() local
4798 int cgx, lmac_cnt, slink, link; nix_link_config() local
5770 nix_init_policer_context(struct rvu * rvu,struct nix_hw * nix_hw,int layer,int prof_idx) nix_init_policer_context() argument
5795 int err, layer, prof_idx; nix_setup_ipolicers() local
5886 int layer; nix_ipolicer_freemem() local
5907 int layer, hi_layer, prof_idx; nix_verify_bandprof() local
5954 int blkaddr, layer, prof, idx, err; rvu_mbox_handler_nix_bandprof_alloc() local
5993 int blkaddr, layer, prof_idx, err; nix_free_all_bandprof() local
6033 int blkaddr, layer, prof_idx, idx, err; rvu_mbox_handler_nix_bandprof_free() local
6331 int blkaddr, layer, err; rvu_mbox_handler_nix_bandprof_get_hwinfo() local
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/linux/net/nfc/hci/
H A DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
14 bool "SHDLC link layer for HCI based NFC drivers"
17 Say yes if you use an NFC HCI driver that requires SHDLC link layer.
/linux/drivers/gpu/drm/arm/display/komeda/
H A Dkomeda_pipeline.c1 // SPDX-License-Identifier: GPL-2.0
16 /** komeda_pipeline_add - Add a pipeline to &komeda_dev */
23 if (mdev->n_pipelines + 1 > KOMEDA_MAX_PIPELINES) { in komeda_pipeline_add()
26 return ERR_PTR(-ENOSPC); in komeda_pipeline_add()
31 return ERR_PTR(-EINVAL); in komeda_pipeline_add()
34 pipe = devm_kzalloc(mdev->dev, size, GFP_KERNEL); in komeda_pipeline_add()
36 return ERR_PTR(-ENOMEM); in komeda_pipeline_add()
38 pipe->mdev = mdev; in komeda_pipeline_add()
39 pipe->id = mdev->n_pipelines; in komeda_pipeline_add()
40 pipe->funcs = funcs; in komeda_pipeline_add()
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/linux/net/nfc/nci/
H A DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
22 Say yes if you use an NCI driver that requires SPI link layer.
29 Say yes if you use an NCI driver that requires UART link layer.
/linux/drivers/net/wwan/iosm/
H A Diosm_ipc_imem_ops.h1 /* SPDX-License-Identifier: GPL-2.0-only
3 * Copyright (C) 2020-21 Intel Corporation.
37 * ipc_imem_sys_port_open - Open a port link to CP.
50 * ipc_imem_sys_cdev_write - Route the uplink buffer to CP.
59 * ipc_imem_sys_wwan_open - Open packet data online channel between network
60 * layer and CP.
62 * @if_id: ip link tag of the net device.
69 * ipc_imem_sys_wwan_close - Close packet data online channel between network
70 * layer and CP.
72 * @if_id: IP link id net device.
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/linux/net/802/
H A Dpsnap.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * SNAP data link layer. Derived from 802.2
6 * from the 802.2 layer by Greg Page.
34 if (!memcmp(p->type, desc, 5)) { in find_snap_client()
58 proto = find_snap_client(skb->dat in snap_rcv()
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/linux/drivers/edac/
H A Dedac_mc.c9 * http://www.anime.net/~goemon/linux-ecc/
64 struct mem_ctl_info *mci = dimm->mci; in edac_dimm_info_location()
68 for (i = 0; i < mci->n_layers; i++) { in edac_dimm_info_location()
70 edac_layer_name[mci->layers[i].type], in edac_dimm_info_location()
71 dimm->location[i]); in edac_dimm_info_location()
73 len -= n; in edac_dimm_info_location()
84 edac_dbg(4, " channel->chan_idx = %d\n", chan->chan_idx); in edac_mc_dump_channel()
86 edac_dbg(4, " channel->csrow = %p\n", chan->csrow); in edac_mc_dump_channel()
87 edac_dbg(4, " channel->dimm = %p\n", chan->dimm); in edac_mc_dump_channel()
94 if (!dimm->nr_pages) in edac_mc_dump_dimm()
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/linux/Documentation/firmware-guide/acpi/apei/
H A Doutput_format.rst1 .. SPDX-License-Identifier: GPL-2.0
55 [cache error][, TLB error][, bus error][, micro-architectural error]
81 unknown | no error | single-bit ECC | multi-bit ECC | \
82 single-symbol chipkill ECC | multi-symbol chipkill ECC | master abort | \
101 aer_layer=<aer layer string>, aer_agent=<aer agent string>
106 downstream switch port | PCIe to PCI/PCI-X bridge | \
107 PCI/PCI-X to PCIe bridge | root complex integrated endpoint device | \
112 unknown | unknown | unknown | unknown | Data Link Protocol | \
121 Replay Timer Timeout | Advisory Non-Fatal
124 <aer layer string> :=
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