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/linux/tools/testing/selftests/ptp/
H A Dtestptp.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * PTP 1588 clock support - User space test program
35 #define CLOCK_INVALID -1
43 static int clock_adjtime(clockid_t id, struct timex *tx) in clock_adjtime() argument
45 return syscall(__NR_clock_adjtime, id, tx); in clock_adjtime()
113 return t->sec * NSEC_PER_SEC + t->nsec; in pctns()
120 " -c query the ptp clock's capabilities\n" in usage()
121 " -d name device to open\n" in usage()
122 " -e val read 'val' external time stamp events\n" in usage()
123 " -E val enable rising (1), falling (2), or both (3) edges\n" in usage()
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/linux/drivers/crypto/caam/
H A Ddpseci.h1 /* SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause) */
3 * Copyright 2013-2016 Freescale Semiconductor Inc.
4 * Copyright 2017-2018 NXP
10 * Data Path SEC Interface API
21 * Maximum number of Tx/Rx queues per DPSECI object
28 #define DPSECI_ALL_QUEUES (u8)(-1)
41 * struct dpseci_cfg - Structure representing DPSECI configuration
44 * @num_tx_queues: num of queues towards the SEC
45 * @num_rx_queues: num of queues back from the SEC
46 * @priorities: Priorities for the SEC hardware processing;
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/linux/drivers/net/ethernet/intel/igbvf/
H A Digbvf.h1 /* SPDX-License-Identifier: GPL-2.0 */
2 /* Copyright(c) 2009 - 2018 Intel Corporation. */
22 #define IGBVF_START_ITR 488 /* ~8000 ints/sec */
39 /* Tx/Rx descriptor defines */
48 #define IGBVF_MIN_ITR_USECS 10 /* 100000 irq/sec */
49 #define IGBVF_MAX_ITR_USECS 10000 /* 100 irq/sec */
52 * PTHRESH - MAC will consider prefetch if it has fewer than this number of
55 * HTHRESH - MAC will only prefetch if there are at least this many descriptors
58 * WTHRESH - RX descriptor writeback threshold - MAC will delay writing back
71 /* How many Tx Descriptors do we need to call netif_wake_queue ? */
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/linux/Documentation/devicetree/bindings/net/
H A Dibm,emac.txt8 correct clock-frequency property.
13 - device_type : "network"
15 - compatible : compatible list, contains 2 entries, first is
16 "ibm,emac-CHIP" where CHIP is the host ASIC (440gx,
18 "ibm,emac4". For Axon, thus, we have: "ibm,emac-axon",
20 - interrupts : <interrupt mapping for EMAC IRQ and WOL IRQ>
21 - reg : <registers mapping>
22 - local-mac-address : 6 bytes, MAC address
23 - mal-device : phandle of the associated McMAL node
24 - mal-tx-channel : 1 cell, index of the tx channel on McMAL associated
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/linux/tools/testing/selftests/bpf/progs/
H A Dxdp_features.c1 // SPDX-License-Identifier: GPL-2.0
15 #include <asm-generic/errno-base.h>
38 } stats SEC(".maps");
45 } dut_stats SEC(".maps");
52 } cpu_map SEC(".maps");
59 } dev_map SEC(".maps");
67 void *data_end = (void *)(long)xdp->data_end; in xdp_process_echo_packet()
68 void *data = (void *)(long)xdp->data; in xdp_process_echo_packet()
75 return -EINVAL; in xdp_process_echo_packet()
77 if (eh->h_proto == bpf_htons(ETH_P_IP)) { in xdp_process_echo_packet()
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H A Dlsm_cgroup.c1 // SPDX-License-Identifier: GPL-2.0
8 char _license[] SEC("license") = "GPL";
30 } cgroup_storage SEC(".maps");
57 /* Reject non-tx-only AF_PACKET. */ in real_create()
61 sk = sock->sk; in real_create()
84 SEC("lsm_cgroup/socket_post_create")
93 SEC("lsm_cgroup/socket_post_create")
106 struct sock *sk = sock->sk; in real_bind()
111 if (sk->__sk_common.skc_family != AF_PACKET) in real_bind()
114 if (sk->sk_kern_sock) in real_bind()
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/linux/tools/perf/scripts/python/
H A Dnetdev-times.py2 # SPDX-License-Identifier: GPL-2.0
6 # tx: show only tx chart
17 '/scripts/python/Perf-Trace-Util/lib/Perf/Trace')
27 net_rx_dic = {}; # key is cpu and value include time of NET_RX softirq-entry
61 return (dst - src) / 1000000.0
80 PF_NET_RECV= " |---netif_receive_skb(+%.3fmsec skb=%x len=%d)"
81 PF_NET_RX= " |---netif_rx(+%.3fmsec skb=%x)"
129 if i == len(event_list) - 1:
166 if arg == 'tx':
223 print("----------------------------")
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/linux/Documentation/devicetree/bindings/sound/
H A Dsamsung-i2s.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/sound/samsung-i2s.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Krzysztof Kozlowski <krzk@kernel.org>
11 - Sylwester Nawrocki <s.nawrocki@samsung.com>
14 - $ref: dai-common.yaml#
19 samsung,s3c6410-i2s: for 8/16/24bit stereo I2S.
21 samsung,s5pv210-i2s: for 8/16/24bit multichannel (5.1) I2S with
25 samsung,exynos5420-i2s: for 8/16/24bit multichannel (5.1) I2S for
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/linux/Documentation/networking/dsa/
H A Dsja1105.rst8 The NXP SJA1105 is a family of 10 SPI-managed automotive switches:
10 - SJA1105E: First generation, no TTEthernet
11 - SJA1105T: First generation, TTEthernet
12 - SJA1105P: Second generation, no TTEthernet, no SGMII
13 - SJA1105Q: Second generation, TTEthernet, no SGMII
14 - SJA1105R: Second generation, no TTEthernet, SGMII
15 - SJA1105S: Second generation, TTEthernet, SGMII
16 - SJA1110A: Third generation, TTEthernet, SGMII, integrated 100base-T1 and
17 100base-TX PHYs
18 - SJA1110B: Third generation, TTEthernet, SGMII, 100base-T1, 100base-TX
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/linux/Documentation/devicetree/bindings/dsp/
H A Dmediatek,mt8186-dsp.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/dsp/mediatek,mt8186-dsp.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Tinghan Shen <tinghan.shen@mediatek.com>
14 advanced pre- and post- audio processing.
19 - mediatek,mt8186-dsp
20 - mediatek,mt8188-dsp
24 - description: Address and size of the DSP config registers
25 - description: Address and size of the DSP SRAM
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/linux/drivers/net/ethernet/freescale/dpaa2/
H A Ddpaa2-eth.h1 /* SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause) */
2 /* Copyright 2014-2016 Freescale Semiconductor Inc.
3 * Copyright 2016-2022 NXP
17 #include <soc/fsl/dpaa2-io.h>
18 #include <soc/fsl/dpaa2-fd.h>
20 #include "dpni-cmd.h"
22 #include "dpaa2-eth-trace.h"
23 #include "dpaa2-eth-debugfs.h"
24 #include "dpaa2-mac.h"
30 /* Maximum number of scatter-gather entries in an ingress frame,
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/linux/arch/arm64/boot/dts/freescale/
H A Dfsl-ls1028a.dtsi1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
3 * Device Tree Include file for NXP Layerscape-1028A family SoC.
5 * Copyright 2018-2020 NXP
11 #include <dt-bindings/clock/fsl,qoriq-clockgen.h>
12 #include <dt-bindings/interrupt-controller/arm-gic.h>
13 #include <dt-bindings/thermal/thermal.h>
17 interrupt-parent = <&gic>;
18 #address-cells = <2>;
19 #size-cells = <2>;
22 #address-cells = <1>;
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H A Dimx8ulp.dtsi1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
6 #include <dt-bindings/clock/imx8ulp-clock.h>
7 #include <dt-bindings/gpio/gpio.h>
8 #include <dt-bindings/interrupt-controller/arm-gic.h>
9 #include <dt-bindings/power/imx8ulp-power.h>
10 #include <dt-bindings/thermal/thermal.h>
12 #include "imx8ulp-pinfunc.h"
15 interrupt-parent = <&gic>;
16 #address-cells = <2>;
17 #size-cells = <2>;
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H A Dimx8mn.dtsi1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
6 #include <dt-bindings/clock/imx8mn-clock.h>
7 #include <dt-bindings/power/imx8mn-power.h>
8 #include <dt-bindings/reset/imx8mq-reset.h>
9 #include <dt-bindings/gpio/gpio.h>
10 #include <dt-bindings/input/input.h>
11 #include <dt-bindings/interrupt-controller/arm-gic.h>
12 #include <dt-bindings/thermal/thermal.h>
14 #include "imx8mn-pinfunc.h"
17 interrupt-parent = <&gic>;
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/linux/drivers/net/ethernet/intel/iavf/
H A Diavf_txrx.h1 /* SPDX-License-Identifier: GPL-2.0 */
2 /* Copyright(c) 2013 - 2018 Intel Corporation. */
34 * the value of the rate limit is non-zero
40 #define IAVF_INTRL_8K 125 /* 8000 ints/sec */
41 #define IAVF_INTRL_62K 16 /* 62500 ints/sec */
42 #define IAVF_INTRL_83K 12 /* 83333 ints/sec */
89 if ((i) == (r)->count) \
91 r->next_to_clean = i; \
97 if ((i) == (r)->count) \
111 /* The size limit for a transmit buffer in a descriptor is (16K - 1).
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H A Diavf_txrx.c1 // SPDX-License-Identifier: GPL-2.0
2 /* Copyright(c) 2013 - 2018 Intel Corporation. */
14 * iavf_is_descriptor_done - tests DD bit in Rx descriptor
45 * iavf_unmap_and_free_tx_resource - Release a Tx buffer
52 if (tx_buffer->skb) { in iavf_unmap_and_free_tx_resource()
53 if (tx_buffer->tx_flags & IAVF_TX_FLAGS_FD_SB) in iavf_unmap_and_free_tx_resource()
54 kfree(tx_buffer->raw_buf); in iavf_unmap_and_free_tx_resource()
56 dev_kfree_skb_any(tx_buffer->skb); in iavf_unmap_and_free_tx_resource()
58 dma_unmap_single(ring->dev, in iavf_unmap_and_free_tx_resource()
63 dma_unmap_page(ring->dev, in iavf_unmap_and_free_tx_resource()
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/linux/drivers/net/ethernet/mellanox/mlxsw/
H A Dpci_hw.h1 /* SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0 */
2 /* Copyright (c) 2015-2018 Mellanox Technologies. All rights reserved */
79 * For Ethernet EMAD (Direct Route and non Direct Route) -
81 * For InfiniBand CTL - must be set if packet destination is local device
99 * Size of i-th scatter/gather entry, 0 if entry is unused.
104 * Physical address of i-th scatter/gather entry.
208 * 1 - Send Queue
209 * 0 - Receive Queue
225 * 0: uSec - 1.024uSec (default for devices which do not support
227 * 1: FRC - Free Running Clock - units of 1nSec
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/linux/drivers/net/hippi/
H A DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
10 HIgh Performance Parallel Interface (HIPPI) is a 800Mbit/sec and
11 1600Mbit/sec dual-simplex switched or point-to-point network. HIPPI
12 can run over copper (25m) or fiber (300m on multi-mode or 10km on
13 single-mode). HIPPI networks are commonly used for clusters and to
31 bool "Use large TX/RX rings"
/linux/include/uapi/linux/
H A Datmdev.h1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2 /* atmdev.h - ATM device driver declarations and various related items */
4 /* Written 1995-2000 by Werner Almesberger, EPFL LRC/ICA */
22 max cell rate: 353207.547 cells/sec */
23 #define ATM_25_PCR ((25600000/8-8000)/54)
29 max cell rate: 1412830.188 cells/sec */
35 __HANDLE_ITEM(tx); /* TX okay */ \
36 __HANDLE_ITEM(tx_err); /* TX errors */ \
97 /* enable or disable single-copy */
109 * above. In the future we may support dynamic loading of these - for now,
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/linux/tools/testing/selftests/drivers/net/
H A Dping.py2 # SPDX-License-Identifier: GPL-2.0
14 def _test_v4(cfg) -> None:
18 cmd("ping -c 1 -W0.5 " + cfg.remote_addr_v["4"])
19 cmd("ping -c 1 -W0.5 " + cfg.addr_v["4"], host=cfg.remote)
20 cmd("ping -s 65000 -c 1 -W0.5 " + cfg.remote_addr_v["4"])
21 cmd("ping -s 65000 -c 1 -W0.5 " + cfg.addr_v["4"], host=cfg.remote)
23 def _test_v6(cfg) -> None:
27 cmd("ping -c 1 -W5 " + cfg.remote_addr_v["6"])
28 cmd("ping -c 1 -W5 " + cfg.addr_v["6"], host=cfg.remote)
29 cmd("ping -s 65000 -c 1 -W0.5 " + cfg.remote_addr_v["6"])
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/linux/drivers/hid/intel-ish-hid/ishtp/
H A Dishtp-dev.h1 /* SPDX-License-Identifier: GPL-2.0-only */
5 * Copyright (c) 2003-2016, Intel Corporation.
13 #include <linux/intel-ish-client-if.h>
21 /* Number of messages to be held in ISR->BH FIFO */
25 * Number of IPC messages to be held in Tx FIFO, to be sent by ISR -
26 * Tx complete interrupt or RX_COMPLETE handler
42 #define ISHTP_MAX_OPEN_HANDLE_COUNT (ISHTP_CLIENTS_MAX - 1)
45 #define ISHTP_HOST_CLIENT_ID_ANY (-1)
67 * struct ishtp_fw_client - representation of fw client
69 * @props - client properties
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/linux/drivers/net/ethernet/amazon/ena/
H A Dena_netdev.h1 /* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */
3 * Copyright 2015-2020 Amazon.com, Inc. or its affiliates. All rights reserved.
61 #define ENA_DEFAULT_RX_COPYBREAK (256 - NET_IP_ALIGN)
73 /* The number of tx packet completions that will be handled each NAPI poll
89 #define ENA_TX_RING_IDX_NEXT(idx, ring_size) (((idx) + 1) & ((ring_size) - 1))
91 #define ENA_RX_RING_IDX_NEXT(idx, ring_size) (((idx) + 1) & ((ring_size) - 1))
93 (((idx) + (n)) & ((ring_size) - 1))
98 #define ENA_IO_RXQ_IDX_TO_COMBINED_IDX(q) (((q) - 1) / 2)
106 /* ENA device should send keep alive msg every 1 sec.
107 * We wait for 6 sec just to be on the safe side.
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/linux/drivers/net/wireless/intel/ipw2x00/
H A Dlibipw_wx.c1 // SPDX-License-Identifier: GPL-2.0-only
4 Copyright(c) 2004-2005 Intel Corporation. All rights reserved.
7 Host AP project hostap-drivers v0.1.3
8 Copyright (c) 2001-2002, SSH Communications Security Corp and Jouni Malinen
10 Copyright (c) 2002-2003, Jouni Malinen <j@w1.fi>
15 Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
36 return jiffies_to_msecs(end - start); in elapsed_jiffies_msecs()
38 return jiffies_to_msecs(end + (MAX_JIFFY_OFFSET - start) + 1); in elapsed_jiffies_msecs()
57 memcpy(iwe.u.ap_addr.sa_data, network->bssid, ETH_ALEN); in libipw_translate_scan()
65 iwe.u.data.length = min(network->ssid_len, (u8) 32); in libipw_translate_scan()
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/linux/drivers/net/phy/
H A Dmicrel.c1 // SPDX-License-Identifier: GPL-2.0+
9 * Copyright (c) 2010-2013 Micrel, Inc.
129 * The value is calculated as following: (1/1000000)/((2^-32)/4)
135 * The value is calculated as following: (1/1000000)/((2^-32)/8)
554 const struct kszphy_type *type = phydev->drv->driver_data; in kszphy_config_intr()
558 if (type && type->interrupt_level_mask) in kszphy_config_intr()
559 mask = type->interrupt_level_mask; in kszphy_config_intr()
571 if (phydev->interrupts == PHY_INTERRUPT_ENABLED) { in kszphy_config_intr()
634 return -EINVAL; in kszphy_setup_led()
654 * unique (non-broadcast) address on a shared bus.
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/linux/tools/testing/vsock/
H A Dvsock_perf.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * vsock_perf - benchmark utility for vsock.
118 return -1; in vsock_connect()
124 return -1; in vsock_connect()
210 if (poll(&fds, 1, -1) < 0) in run_receiver()
224 in_read_ns += (current_nsec() - t); in run_receiver()
244 get_gbps(total_recv * 8, current_nsec() - rx_begin_ns)); in run_receiver()
245 printf("total time in 'read()': %f sec\n", (float)in_read_ns / NSEC_PER_SEC); in run_receiver()
280 printf("TX buffer %lu bytes\n", buf_size_bytes); in run_sender()
291 MAP_PRIVATE | MAP_ANONYMOUS, -1, 0); in run_sender()
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