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/linux/drivers/net/wireless/ralink/rt2x00/
H A Drt2500usb.h1 /* SPDX-License-Identifier: GPL-2.0-or-later */
3 Copyright (C) 2004 - 2009 Ivo van Doorn <IvDoorn@gmail.com>
36 * Default offset is required for RSSI <-> dBm conversion.
238 * ACK_TIMEOUT: ACK Timeout in unit of 1-us.
248 * TXRX_CSR2: RX control.
249 * DISABLE_RX: Disable rx engine.
271 * RX BBP ID registers
272 * TXRX_CSR3: CCK RX BBP ID.
273 * TXRX_CSR4: OFDM RX BBP ID.
315 * TXRX_CSR9: TX ACK time-out.
[all …]
H A Drt73usb.h1 /* SPDX-License-Identifier: GPL-2.0-or-later */
3 Copyright (C) 2004 - 2009 Ivo van Doorn <IvDoorn@gmail.com>
27 * Default offset is required for RSSI <-> dBm conversion.
76 * 16 entries 32-byte for shared key table
77 * 64 entries 32-byte for pairwise key table
78 * 64 entries 8-byte for pairwise ta key table
113 * On-chip BEACON frame space.
159 * to determine the UNICAST_TO_ME bit for RX frames.
182 * when determining the MY_BSS of RX frames.
183 * 0: 1-BSSID mode (BSS index = 0)
[all …]
H A Drt61pci.h1 /* SPDX-License-Identifier: GPL-2.0-or-later */
3 Copyright (C) 2004 - 2009 Ivo van Doorn <IvDoorn@gmail.com>
34 * Default offset is required for RSSI <-> dBm conversion.
121 * 16 entries 32-byte for shared key table
122 * 64 entries 32-byte for pairwise key table
123 * 64 entries 8-byte for pairwise ta key table
152 * Other on-chip shared memory space.
164 * On-chip BEACON frame space.
175 * HOST-MCU shared memory.
179 * H2M_MAILBOX_CSR: Host-to-MCU Mailbox.
[all …]
/linux/drivers/net/ethernet/broadcom/bnge/
H A Dbnge_resc.c1 // SPDX-License-Identifier: GPL-2.0
17 u16 tcs = bd->num_tc; in bnge_num_tx_to_cp()
27 struct bnge_hw_resc *hw_resc = &bd->hw_resc; in bnge_get_max_func_irqs()
29 return min_t(u16, hw_resc->max_irqs, hw_resc->max_nqs); in bnge_get_max_func_irqs()
34 return bd->hw_resc.max_stat_ctxs; in bnge_get_max_func_stat_ctxs()
43 bd->nq_nr_rings == max_stat_ctxs) in bnge_aux_has_enough_resources()
51 return bd->hw_resc.max_cp_rings; in bnge_get_max_func_cp_rings()
64 return bd->aux_num_msix; in bnge_aux_get_msix()
72 bd->aux_num_msix = num; in bnge_aux_set_msix_num()
78 return bd->aux_num_stat_ctxs; in bnge_aux_get_stat_ctxs()
[all …]
/linux/Documentation/virt/kvm/
H A Dppc-pv.rst1 .. SPDX-License-Identifier: GPL-2.0
35 'hypercall-instructions'. This property contains at most 4 opcodes that make
43 r0 - volatile
53 r12 - volatile
56 Hypercall definitions are shared in generic code, so the same hypercall numbers
73 To enable communication between the hypervisor and guest there is a new shared
75 map this shared page using the KVM hypercall KVM_HC_PPC_MAP_MAGIC_PAGE.
80 applicable to the target. For now, we always map the page to -4096. This way we
84 ld rX, -4096(0)
133 - MSR_EE
[all …]
/linux/Documentation/networking/device_drivers/ethernet/intel/
H A Dice.rst1 .. SPDX-License-Identifier: GPL-2.0+
8 Copyright(c) 2018-2021 Intel Corporation.
13 - Overview
14 - Identifying Your Adapter
15 - Important Notes
16 - Additional Features & Configurations
17 - Performance Optimization
28 This driver supports XDP (Express Data Path) and AF_XDP zero-copy. Note that
43 -------------------------------------------
54 1) Make sure that your system's physical memory is in a high-performance
[all …]
/linux/Documentation/networking/
H A Dpktgen.rst1 .. SPDX-License-Identifier: GPL-2.0
7 Enable CONFIG_NET_PKTGEN to compile and build pktgen either in-kernel
31 overload type of benchmarking, as this could hurt the normal use-case.
35 # ethtool -G ethX tx 1024
44 ring-buffers for various performance reasons, and packets stalling
48 (Intel 82599 chip). This driver (ixgbe) combines TX+RX ring cleanups,
49 and the cleanup interval is affected by the ethtool --coalesce setting
50 of parameter "rx-usecs".
54 # ethtool -C ethX rx-usecs 30
72 * add_device DEVICE@NAME -- adds a single device
[all …]
H A Daf_xdp.rst1 .. SPDX-License-Identifier: GPL-2.0
20 XDP programs to redirect frames to a memory buffer in a user-space
24 syscall. Associated with each XSK are two rings: the RX ring and the
25 TX ring. A socket can receive packets on the RX ring and it can send
28 to have at least one of these rings for each socket. An RX or TX
30 UMEM. RX and TX can share the same UMEM so that a packet does not have
31 to be copied between RX and TX. Moreover, if a packet needs to be kept
44 to fill in with RX packet data. References to these frames will then
45 appear in the RX ring once each packet has been received. The
48 space, for either TX or RX. Thus, the frame addrs appearing in the
[all …]
H A Dmac80211-auth-assoc-deauth.txt14 userspace->mac80211: authenticate
17 mac80211->driver: sta_state(AP, not-exists)
18 mac80211->driver: bss_info_changed(clear BSSID)
26 mac80211->driver: config(channel, channel type)
27 mac80211->driver: bss_info_changed(set BSSID, basic rate bitmap)
28 mac80211->driver: sta_state(AP, exists)
31 mac80211->driver: TX directed probe request
32 driver->mac80211: RX probe response
35 mac80211->driver: TX auth frame
36 driver->mac80211: RX auth frame
[all …]
/linux/drivers/net/ethernet/dec/tulip/
H A DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
7 bool "DEC - Tulip devices"
70 bool "Use PCI shared mem for NIC registers"
73 Use PCI shared memory for the NIC registers, rather than going through
79 bool "Use RX polling (NAPI)"
86 If your estimated Rx load is 10kpps or more, or if the card will be
96 Use HW to reduce RX interrupts. Not strictly necessary since NAPI
97 reduces RX interrupts by itself. Interrupt mitigation reduces RX
114 the TX9882 chip on the Compex RL100-ATX board.
147 It should work with most DEC 21*4*-based chips/ethercards, as well
[all …]
/linux/drivers/gpu/nova-core/gsp/
H A Dcmdq.rs1 // SPDX-License-Identifier: GPL-2.0
70 /// Some commands may be followed by a variable-length payload. For these, the
87 /// In-place command initializer responsible for filling the command in the command queue
89 fn init(&self) -> impl Init<Self::Command, Self::InitError>; in init()
91 /// Size of the variable-length payload following the command structure generated by
94 /// Most commands don't have a variable-length payload, so this is zero by default.
95 fn variable_payload_len(&self) -> usize { in variable_payload_len()
99 /// Method initializing the variable-length payload.
102 /// while in the middle of a command. For this reason, the variable-length payload is
109 /// Most commands don't have a variable-length payload, so this does nothing by default.
[all …]
/linux/Documentation/devicetree/bindings/mailbox/
H A Dbrcm,bcm74110-mbox.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/mailbox/brcm,bcm74110-mbox.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Justin Chen <justin.chen@broadcom.com>
11 - Florian Fainelli <florian.fainelli@broadcom.com>
18 - brcm,bcm74110-mbox
25 - description: RX doorbell and watermark interrupts
26 - description: TX doorbell and watermark interrupts
28 "#mbox-cells":
[all …]
/linux/arch/arm/boot/dts/ti/omap/
H A Ddra72-evm-revc.dts1 // SPDX-License-Identifier: GPL-2.0-only
3 * Copyright (C) 2016 Texas Instruments Incorporated - https://www.ti.com/
5 #include "dra72-evm-common.dtsi"
6 #include "dra72x-mmc-iodelay.dtsi"
7 #include <dt-bindings/net/ti-dp83867.h>
17 reserved-memory {
18 #address-cells = <2>;
19 #size-cells = <2>;
23 compatible = "shared-dma-pool";
30 compatible = "shared-dma-pool";
[all …]
/linux/drivers/net/ethernet/toshiba/
H A Dps3_gelic_net.h1 /* SPDX-License-Identifier: GPL-2.0-or-later */
64 /* RX descriptor data_status bits */
93 /* RX descriptor data error bits */
114 /* DMA command and status (RX and TX)*/
117 GELIC_DESCR_DMA_BUFFER_FULL = 0x00000000, /* used in rx */
118 GELIC_DESCR_DMA_RESPONSE_ERROR = 0x10000000, /* used in rx, tx */
119 GELIC_DESCR_DMA_PROTECTION_ERROR = 0x20000000, /* used in rx, tx */
120 GELIC_DESCR_DMA_FRAME_END = 0x40000000, /* used in rx */
121 GELIC_DESCR_DMA_FORCE_END = 0x50000000, /* used in rx, tx */
122 GELIC_DESCR_DMA_CARDOWNED = 0xa0000000, /* used in rx, tx */
[all …]
/linux/drivers/net/ethernet/3com/
H A Dtyphoon.c3 Written 2002-2004 by David Dillow <dave@thedillows.org>
4 Based on code written 1998-2000 by Donald Becker <becker@scyld.com> and
21 number Y1-LM-2015-01.
27 *) Cannot DMA Rx packets to a 2 byte aligned address. Also firmware
29 *) Waiting for a command response takes 8ms due to non-preemptable
36 *) Allow disabling of RX checksum offloading
40 *) Add in FCS to {rx,tx}_bytes, since the hardware doesn't. See
41 http://oss.sgi.com/cgi-bin/mesg.cgi?a=netdev&i=20031215152211.7003fe8e.rddunlap%40osdl.org
44 /* Set the copy breakpoint for the copy-only-tiny-frames scheme.
56 /* end user-configurable values */
[all …]
/linux/drivers/net/ethernet/marvell/
H A Dmv643xx_eth.c1 // SPDX-License-Identifier: GPL-2.0-or-later
10 * Copyright (C) 2003 PMC-Sierra, Inc.,
13 * Copyright (C) 2003 Ralf Baechle <ralf@linux-mips.org>
15 * Copyright (C) 2004-2006 MontaVista Software, Inc.
21 * Copyright (C) 2007-2008 Marvell Semiconductor
30 #include <linux/dma-mapping.h>
61 * Registers shared between all ports.
71 * Main per-port registers. These live at offset 0x0400 for
142 * Misc per-port registers.
173 #define SKB_DMA_REALIGN ((PAGE_SIZE - NET_SKB_PAD) % SMP_CACHE_BYTES)
[all …]
/linux/include/linux/
H A Dmv643xx_eth.h1 /* SPDX-License-Identifier: GPL-2.0 */
3 * MV-643XX ethernet platform device data definition file.
41 struct platform_device *shared; member
66 * How many RX/TX queues to use.
72 * Override default RX/TX queue sizes if nonzero.
78 * Use on-chip SRAM for RX/TX descriptors if size is nonzero
/linux/Documentation/devicetree/bindings/firmware/
H A Dnvidia,tegra186-bpmp.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/firmware/nvidia,tegra186-bpmp.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Thierry Reding <thierry.reding@gmail.com>
11 - Jon Hunter <jonathanh@nvidia.com>
25 - .../mailbox/mailbox.txt
26 - .../mailbox/nvidia,tegra186-hsp.yaml
32 - .../clock/clock-bindings.txt
33 - <dt-bindings/clock/tegra186-clock.h>
[all …]
/linux/drivers/net/phy/
H A Dmicrel.c1 // SPDX-License-Identifier: GPL-2.0+
9 * Copyright (c) 2010-2013 Micrel, Inc.
139 * The value is calculated as following: (1/1000000)/((2^-32)/4)
145 * The value is calculated as following: (1/1000000)/((2^-32)/8)
407 /* Shared structure between the PHYs of the same package. */
433 /* Lock for Rx ts fifo */
574 const struct kszphy_type *type = phydev->drv->driver_data; in kszphy_config_intr()
578 if (type && type->interrupt_level_mask) in kszphy_config_intr()
579 mask = type->interrupt_level_mask; in kszphy_config_intr()
591 if (phydev->interrupts == PHY_INTERRUPT_ENABLED) { in kszphy_config_intr()
[all …]
/linux/Documentation/devicetree/bindings/dma/
H A Dk3dma.txt6 - compatible: Must be one of
7 - "hisilicon,k3-dma-1.0"
8 - "hisilicon,hisi-pcm-asp-dma-1.0"
9 - reg: Should contain DMA registers location and length.
10 - interrupts: Should contain one interrupt shared by all channel
11 - #dma-cells: see dma.txt, should be 1, para number
12 - dma-channels: physical channels supported
13 - dma-requests: virtual channels supported, each virtual channel
15 - clocks: clock required
21 compatible = "hisilicon,k3-dma-1.0";
[all …]
/linux/drivers/net/ethernet/mellanox/mlx5/core/ipoib/
H A Dipoib_vlan.c14 * - Redistributions of source code must retain the above
18 * - Redistributions in binary form must reproduce the above
56 return -ENOMEM; in mlx5i_pkey_qpn_ht_init()
58 ipriv->qpn_htbl = qpn_htbl; in mlx5i_pkey_qpn_ht_init()
59 spin_lock_init(&qpn_htbl->ht_lock); in mlx5i_pkey_qpn_ht_init()
68 kfree(ipriv->qpn_htbl); in mlx5i_pkey_qpn_ht_cleanup()
78 if (node->underlay_qpn == qpn) in mlx5i_find_qpn_to_netdev_node()
88 struct mlx5i_pkey_qpn_ht *ht = ipriv->qpn_htbl; in mlx5i_pkey_add_qpn()
94 return -ENOMEM; in mlx5i_pkey_add_qpn()
96 new_node->netdev = netdev; in mlx5i_pkey_add_qpn()
[all …]
/linux/Documentation/networking/device_drivers/ethernet/freescale/dpaa2/
H A Dswitch-driver.rst1 .. SPDX-License-Identifier: GPL-2.0
24 [dpaa2-eth] [dpaa2-eth] [ dpaa2-switch ]
30 | ---------- | [DPMAC] [DPMAC]
31 ------------------------------- | |
38 The dpaa2-switch driver probes on DPSW devices found on the fsl-mc bus. These
40 file - DataPath Layout (DPL) - or at runtime using the DPAA2 object APIs
43 At the moment, the dpaa2-switch driver imposes the following restrictions on
64 control interface, the driver is not capable to provide proper Rx/Tx traffic
70 Besides the configuration of the actual DPSW object, the dpaa2-switch driver
73 * 1 DPMCP - A Management Command Portal object is needed for any interaction
[all …]
/linux/drivers/tty/serial/
H A Dsc16is7xx.c1 // SPDX-License-Identifier: GPL-2.0+
3 * SC16IS7xx tty serial driver - common code
41 #define SC16IS7XX_RHR_REG (0x00) /* RX FIFO */
52 #define SC16IS7XX_RXLVL_REG (0x09) /* RX FIFO level */
53 #define SC16IS7XX_IODIR_REG (0x0a) /* I/O Direction - only on 75x/76x */
54 #define SC16IS7XX_IOSTATE_REG (0x0b) /* I/O State - only on 75x/76x */
55 #define SC16IS7XX_IOINTENA_REG (0x0c) /* I/O Interrupt Enable - only on 75x/76x */
56 #define SC16IS7XX_IOCONTROL_REG (0x0e) /* I/O Control - only on 75x/76x */
75 #define SC16IS7XX_IER_RDI_BIT BIT(0) /* Enable RX data interrupt */
77 #define SC16IS7XX_IER_RLSI_BIT BIT(2) /* Enable RX line status interrupt */
[all …]
/linux/Documentation/devicetree/bindings/phy/
H A Dmediatek,xsphy.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
4 ---
6 $schema: http://devicetree.org/meta-schemas/core.yaml#
8 title: MediaTek XS-PHY Controller
11 - Chunfeng Yun <chunfeng.yun@mediatek.com>
14 The XS-PHY controller supports physical layer functionality for USB3.1
18 ----------------------------------
41 DIG_GLB & PHYA_GLB are shared by U31 ports.
45 pattern: "^xs-phy@[0-9a-f]+$"
49 - enum:
[all …]
/linux/drivers/net/wireless/ath/ath11k/
H A Dce.h1 /* SPDX-License-Identifier: BSD-3-Clause-Clear */
3 * Copyright (c) 2018-2019 The Linux Foundation. All rights reserved.
32 * These definitions may be used during configuration and are shared
36 * "coming IN over air through Target to Host" as with a WiFi Rx operation.
38 * as with a WiFi Tx operation. This is somewhat awkward for the "middle-man"
43 #define PIPEDIR_IN 1 /* Target-->Host, WiFi Rx direction */
44 #define PIPEDIR_OUT 2 /* Host->Target, WiFi Tx direction */
82 * NOTE: Structure is shared between Host software and Target firmware!
108 /* #entries in source ring - Must be a power of 2 */
117 /* #entries in destination ring - Must be a power of 2 */
[all …]

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