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/kernel/linux/linux-5.10/net/ipv4/
Dtcp_cubic.c1 // SPDX-License-Identifier: GPL-2.0-only
8 * "CUBIC: A New TCP-Friendly High-Speed TCP Variant"
45 #define HYSTART_DELAY_THRESH(x) clamp(x, HYSTART_DELAY_MIN, HYSTART_DELAY_MAX) argument
62 /* Note parameters that are used for precomputing scale factors are read-only */
68 MODULE_PARM_DESC(initial_ssthresh, "initial value of slow start threshold");
77 " 1: packet-train 2: delay 3: both packet-train and delay");
107 ca->cnt = 0; in bictcp_reset()
108 ca->last_max_cwnd = 0; in bictcp_reset()
109 ca->last_cwnd = 0; in bictcp_reset()
110 ca->last_time = 0; in bictcp_reset()
[all …]
Dtcp_lp.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * TCP Low Priority (TCP-LP)
11 * the original TCP-LP implementation:
16 * o Handling calculation of One-Way-Delay (OWD) within rtt_sample, since
26 * http://www.ece.rice.edu/~akuzma/Doc/akuzma/TCP-LP.pdf
28 * http://www-ece.rice.edu/networks/TCP-LP/
30 * 2.6.x module Authors:
34 * http://tcp-lp-mod.sourceforge.net/
47 * @LP_WITHIN_THR: are we within threshold?
50 * TCP-LP's state flags.
[all …]
/kernel/linux/linux-6.6/net/ipv4/
Dtcp_cubic.c1 // SPDX-License-Identifier: GPL-2.0-only
8 * "CUBIC: A New TCP-Friendly High-Speed TCP Variant"
47 #define HYSTART_DELAY_THRESH(x) clamp(x, HYSTART_DELAY_MIN, HYSTART_DELAY_MAX) argument
64 /* Note parameters that are used for precomputing scale factors are read-only */
70 MODULE_PARM_DESC(initial_ssthresh, "initial value of slow start threshold");
79 " 1: packet-train 2: delay 3: both packet-train and delay");
110 ca->found = 0; in bictcp_reset()
115 return tcp_sk(sk)->tcp_mstamp; in bictcp_clock_us()
123 ca->round_start = ca->last_ack = bictcp_clock_us(sk); in bictcp_hystart_reset()
124 ca->end_seq = tp->snd_nxt; in bictcp_hystart_reset()
[all …]
Dtcp_lp.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * TCP Low Priority (TCP-LP)
11 * the original TCP-LP implementation:
16 * o Handling calculation of One-Way-Delay (OWD) within rtt_sample, since
26 * http://www.ece.rice.edu/~akuzma/Doc/akuzma/TCP-LP.pdf
28 * http://www-ece.rice.edu/networks/TCP-LP/
30 * 2.6.x module Authors:
34 * http://tcp-lp-mod.sourceforge.net/
47 * @LP_WITHIN_THR: are we within threshold?
50 * TCP-LP's state flags.
[all …]
/kernel/linux/linux-5.10/tools/testing/selftests/bpf/progs/
Dbpf_cubic.c1 // SPDX-License-Identifier: GPL-2.0-only
13 * "while (ca->ack_cnt > delta)" loop is changed to the equivalent
14 * "ca->ack_cnt / delta" operation.
39 #define HYSTART_DELAY_THRESH(x) clamp(x, HYSTART_DELAY_MIN, HYSTART_DELAY_MAX) argument
54 / (BICTCP_BETA_SCALE - beta);
55 /* calculate the "K" for (wmax-cwnd) = c/rtt * K^3
56 * so K = cubic_root( (wmax-cwnd)*rtt/c )
65 * HZ < 1,000,00 (corresponding to 10 nano-second)
96 ca->cnt = 0; in bictcp_reset()
97 ca->last_max_cwnd = 0; in bictcp_reset()
[all …]
/kernel/linux/linux-6.6/tools/testing/selftests/bpf/progs/
Dbpf_cubic.c1 // SPDX-License-Identifier: GPL-2.0-only
13 * "while (ca->ack_cnt > delta)" loop is changed to the equivalent
14 * "ca->ack_cnt / delta" operation.
39 #define HYSTART_DELAY_THRESH(x) clamp(x, HYSTART_DELAY_MIN, HYSTART_DELAY_MAX) argument
54 / (BICTCP_BETA_SCALE - beta);
55 /* calculate the "K" for (wmax-cwnd) = c/rtt * K^3
56 * so K = cubic_root( (wmax-cwnd)*rtt/c )
65 * HZ < 1,000,00 (corresponding to 10 nano-second)
96 ca->cnt = 0; in bictcp_reset()
97 ca->last_max_cwnd = 0; in bictcp_reset()
[all …]
/kernel/linux/linux-5.10/mm/
Dvmstat.c1 // SPDX-License-Identifier: GPL-2.0-only
11 * Copyright (C) 2008-2014 Christoph Lameter
34 #define NUMA_STATS_THRESHOLD (U16_MAX - 2)
45 atomic_long_set(&zone->vm_numa_stat[item], 0); in zero_zone_numa_counters()
47 per_cpu_ptr(zone->pageset, cpu)->vm_numa_stat_diff[item] in zero_zone_numa_counters()
122 ret[i] += this->event[i]; in sum_vm_events()
128 * The result is unavoidably approximate - it can change
151 count_vm_events(i, fold_state->event[i]); in vm_events_fold_cpu()
152 fold_state->event[i] = 0; in vm_events_fold_cpu()
174 int threshold; in calculate_pressure_threshold() local
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/kernel/linux/linux-6.6/mm/
Dvmstat.c1 // SPDX-License-Identifier: GPL-2.0-only
11 * Copyright (C) 2008-2014 Christoph Lameter
43 atomic_long_set(&zone->vm_numa_event[item], 0); in zero_zone_numa_counters()
45 per_cpu_ptr(zone->per_cpu_zonestats, cpu)->vm_numa_event[item] in zero_zone_numa_counters()
121 ret[i] += this->event[i]; in sum_vm_events()
127 * The result is unavoidably approximate - it can change
150 count_vm_events(i, fold_state->event[i]); in vm_events_fold_cpu()
151 fold_state->event[i] = 0; in vm_events_fold_cpu()
178 pzstats = per_cpu_ptr(zone->per_cpu_zonestats, cpu); in fold_vm_zone_numa_events()
180 zone_numa_events[item] += xchg(&pzstats->vm_numa_event[item], 0); in fold_vm_zone_numa_events()
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/kernel/linux/linux-5.10/Documentation/devicetree/bindings/input/rmi4/
Drmi_2d_sensor.txt12 http://www.synaptics.com/sites/default/files/511-000136-01-Rev-E-RMI4-Interfacing-Guide.pdf
16 - touchscreen-inverted-x
17 - touchscreen-inverted-y
18 - touchscreen-swapped-x-y
19 - touchscreen-x-mm
20 - touchscreen-y-mm
23 - syna,clip-x-low: Sets a minimum value for X.
24 - syna,clip-y-low: Sets a minimum value for Y.
25 - syna,clip-x-high: Sets a maximum value for X.
26 - syna,clip-y-high: Sets a maximum value for Y.
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/kernel/linux/linux-5.10/Documentation/input/devices/
Datarikbd.rst12 provides a convenient connection point for a mouse and switch-type joysticks.
13 The ikbd processor also maintains a time-of-day clock with one second
18 The ikbd communicates with the main processor over a high speed bi-directional
41 0xF8-0xFB relative mouse position records (lsbs determined by
43 0xFC time-of-day
67 ---------------------------
72 settable threshold of motion. Regardless of the threshold, all bits of
75 significantly more than the threshold delta x or y. This may happen since no
85 ; and x is the left button state
86 X ; delta x as twos complement integer
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/kernel/linux/linux-6.6/Documentation/input/devices/
Datarikbd.rst12 provides a convenient connection point for a mouse and switch-type joysticks.
13 The ikbd processor also maintains a time-of-day clock with one second
18 The ikbd communicates with the main processor over a high speed bi-directional
41 0xF8-0xFB relative mouse position records (lsbs determined by
43 0xFC time-of-day
67 ---------------------------
72 settable threshold of motion. Regardless of the threshold, all bits of
75 significantly more than the threshold delta x or y. This may happen since no
85 ; and x is the left button state
86 X ; delta x as twos complement integer
[all …]
/kernel/linux/linux-6.6/Documentation/devicetree/bindings/input/
Dsyna,rmi4.yaml1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Jason A. Donenfeld <Jason@zx2c4.com>
11 - Matthias Schiffer <matthias.schiffer@ew.tq-group.com
12 - Vincent Huang <vincent.huang@tw.synaptics.com>
22 - syna,rmi4-i2c
23 - syna,rmi4-spi
28 '#address-cells':
31 '#size-cells':
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/kernel/linux/linux-6.6/arch/arm64/boot/dts/freescale/
Dimx8mq-zii-ultra-rmb3.dts1 // SPDX-License-Identifier: (GPL-2.0 OR MIT)
6 /dts-v1/;
8 #include "imx8mq-zii-ultra.dtsi"
12 compatible = "zii,imx8mq-ultra-rmb3", "zii,imx8mq-ultra", "fsl,imx8mq";
15 compatible = "simple-audio-card";
16 simple-audio-card,name = "front";
17 simple-audio-card,format = "i2s";
18 simple-audio-card,bitclock-master = <&sound1_codec>;
19 simple-audio-card,frame-master = <&sound1_codec>;
20 simple-audio-card,widgets =
[all …]
/kernel/linux/linux-5.10/drivers/net/wireless/intel/iwlwifi/dvm/
Drx.c1 // SPDX-License-Identifier: GPL-2.0-only
4 * Copyright(c) 2003 - 2014 Intel Corporation. All rights reserved.
13 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
23 #include "iwl-trans.h"
24 #include "iwl-io.h"
39 struct iwl_error_resp *err_resp = (void *)pkt->data; in iwlagn_rx_reply_error()
41 IWL_ERR(priv, "Error Reply type 0x%08X cmd REPLY_ERROR (0x%02X) " in iwlagn_rx_reply_error()
42 "seq 0x%04X ser 0x%08X\n", in iwlagn_rx_reply_error()
43 le32_to_cpu(err_resp->error_type), in iwlagn_rx_reply_error()
44 err_resp->cmd_id, in iwlagn_rx_reply_error()
[all …]
/kernel/linux/linux-6.6/drivers/net/wireless/intel/iwlwifi/dvm/
Drx.c1 // SPDX-License-Identifier: GPL-2.0-only
4 * Copyright(c) 2003 - 2014 Intel Corporation. All rights reserved.
6 * Copyright(c) 2018, 2020-2021 Intel Corporation
18 #include "iwl-trans.h"
19 #include "iwl-io.h"
34 struct iwl_error_resp *err_resp = (void *)pkt->data; in iwlagn_rx_reply_error()
36 IWL_ERR(priv, "Error Reply type 0x%08X cmd REPLY_ERROR (0x%02X) " in iwlagn_rx_reply_error()
37 "seq 0x%04X ser 0x%08X\n", in iwlagn_rx_reply_error()
38 le32_to_cpu(err_resp->error_type), in iwlagn_rx_reply_error()
39 err_resp->cmd_id, in iwlagn_rx_reply_error()
[all …]
/kernel/linux/linux-5.10/include/uapi/linux/
Dserial_reg.h1 /* SPDX-License-Identifier: GPL-1.0+ WITH Linux-syscall-note */
95 #define UART_FCR_R_TRIG_BITS(x) \ argument
96 (((x) & UART_FCR_TRIGGER_MASK) >> UART_FCR_R_TRIG_SHIFT)
126 #define UART_MCR_AFE 0x20 /* Enable auto-RTS/CTS (TI16C550C/TI16C750) */
136 #define UART_LSR_THRE 0x20 /* Transmit-hold-register empty */
149 #define UART_MSR_DDCD 0x08 /* Delta DCD */
151 #define UART_MSR_DDSR 0x02 /* Delta DSR */
152 #define UART_MSR_DCTS 0x01 /* Delta CTS */
153 #define UART_MSR_ANY_DELTA 0x0F /* Any of the delta bits! */
233 * The Intel XScale on-chip UARTs define these bits
[all …]
/kernel/linux/linux-5.10/drivers/iio/light/
Dvcnl4000.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * vcnl4000.c - Support for Vishay VCNL4000/4010/4020/4040/4200 combined ambient
11 * VCNL4000/10/20 (7-bit I2C slave address 0x13)
12 * VCNL4040 (7-bit I2C slave address 0x60)
13 * VCNL4200 (7-bit I2C slave address 0x51)
54 #define VCNL4010_LOW_THR_HI 0x8a /* Low threshold, MSB */
55 #define VCNL4010_LOW_THR_LO 0x8b /* Low threshold, LSB */
56 #define VCNL4010_HIGH_THR_HI 0x8c /* High threshold, MSB */
57 #define VCNL4010_HIGH_THR_LO 0x8d /* High threshold, LSB */
71 #define VCNL4000_AL_OD BIT(4) /* start on-demand ALS measurement */
[all …]
/kernel/linux/linux-6.6/drivers/input/rmi4/
Drmi_2d_sensor.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * Copyright (c) 2011-2016 Synaptics Incorporated
16 #define RMI_2D_REL_POS_MIN -128
26 struct rmi_2d_axis_alignment *axis_align = &sensor->axis_align; in rmi_2d_sensor_abs_process()
29 if (obj->type == RMI_2D_OBJECT_NONE) in rmi_2d_sensor_abs_process()
32 if (axis_align->flip_x) in rmi_2d_sensor_abs_process()
33 obj->x = sensor->max_x - obj->x; in rmi_2d_sensor_abs_process()
35 if (axis_align->flip_y) in rmi_2d_sensor_abs_process()
36 obj->y = sensor->max_y - obj->y; in rmi_2d_sensor_abs_process()
38 if (axis_align->swap_axes) in rmi_2d_sensor_abs_process()
[all …]
/kernel/linux/linux-5.10/drivers/input/rmi4/
Drmi_2d_sensor.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * Copyright (c) 2011-2016 Synaptics Incorporated
16 #define RMI_2D_REL_POS_MIN -128
26 struct rmi_2d_axis_alignment *axis_align = &sensor->axis_align; in rmi_2d_sensor_abs_process()
29 if (obj->type == RMI_2D_OBJECT_NONE) in rmi_2d_sensor_abs_process()
32 if (axis_align->flip_x) in rmi_2d_sensor_abs_process()
33 obj->x = sensor->max_x - obj->x; in rmi_2d_sensor_abs_process()
35 if (axis_align->flip_y) in rmi_2d_sensor_abs_process()
36 obj->y = sensor->max_y - obj->y; in rmi_2d_sensor_abs_process()
38 if (axis_align->swap_axes) in rmi_2d_sensor_abs_process()
[all …]
/kernel/linux/linux-5.10/drivers/net/wireless/ath/ath9k/
Ddfs.c2 * Copyright (c) 2008-2011 Atheros Communications Inc.
19 #include "hw-ops.h"
36 * - 20MHz chirp width over a pulse width of 50us
37 * - 5MHz chirp width over a pulse width of 100us
46 /* Threshold for difference of delta peaks */
83 is_ctl = fft_bitmap_weight(fft->lower_bins) != 0; in ath9k_get_max_index_ht40()
84 is_ext = fft_bitmap_weight(fft->upper_bins) != 0; in ath9k_get_max_index_ht40()
88 int mag_lower = fft_max_magnitude(fft->lower_bins); in ath9k_get_max_index_ht40()
89 int mag_upper = fft_max_magnitude(fft->upper_bins); in ath9k_get_max_index_ht40()
97 return fft_max_index(fft->lower_bins); in ath9k_get_max_index_ht40()
[all …]
/kernel/linux/linux-6.6/drivers/net/wireless/ath/ath9k/
Ddfs.c2 * Copyright (c) 2008-2011 Atheros Communications Inc.
19 #include "hw-ops.h"
36 * - 20MHz chirp width over a pulse width of 50us
37 * - 5MHz chirp width over a pulse width of 100us
46 /* Threshold for difference of delta peaks */
83 is_ctl = fft_bitmap_weight(fft->lower_bins) != 0; in ath9k_get_max_index_ht40()
84 is_ext = fft_bitmap_weight(fft->upper_bins) != 0; in ath9k_get_max_index_ht40()
88 int mag_lower = fft_max_magnitude(fft->lower_bins); in ath9k_get_max_index_ht40()
89 int mag_upper = fft_max_magnitude(fft->upper_bins); in ath9k_get_max_index_ht40()
97 return fft_max_index(fft->lower_bins); in ath9k_get_max_index_ht40()
[all …]
/kernel/linux/linux-6.6/include/uapi/linux/
Dserial_reg.h1 /* SPDX-License-Identifier: GPL-1.0+ WITH Linux-syscall-note */
100 #define UART_FCR_R_TRIG_BITS(x) \ argument
101 (((x) & UART_FCR_TRIGGER_MASK) >> UART_FCR_R_TRIG_SHIFT)
131 #define UART_MCR_AFE 0x20 /* Enable auto-RTS/CTS (TI16C550C/TI16C750) */
141 #define UART_LSR_THRE 0x20 /* Transmit-hold-register empty */
154 #define UART_MSR_DDCD 0x08 /* Delta DCD */
156 #define UART_MSR_DDSR 0x02 /* Delta DSR */
157 #define UART_MSR_DCTS 0x01 /* Delta CTS */
238 * The Intel XScale on-chip UARTs define these bits
247 #define UART_FCR_PXAR1 0x00 /* receive FIFO threshold = 1 */
[all …]
/kernel/linux/linux-5.10/tools/testing/selftests/bpf/
Dbpf_tcp_helpers.h1 /* SPDX-License-Identifier: GPL-2.0 */
69 syn_fastopen_ch:1, /* Active TFO re-enabling probe */
70 syn_data_acked:1,/* data in SYN is acked by SYN-ACK */
87 return (void *)inet_csk(sk)->icsk_ca_priv; in inet_csk_ca()
97 return (__s32)(seq1-seq2) < 0; in before()
131 __u32 prior_delivered; /* tp->delivered at "prior_mstamp" */
133 long interval_us; /* time for tp->delivered to incr "delivered" */
136 long rtt_us; /* RTT of last (S)ACKed packet (or -1) */
157 /* return slow start threshold (required) */
183 #define min_not_zero(x, y) ({ \ argument
[all …]
/kernel/linux/linux-6.6/kernel/sched/
Dpsi.c1 // SPDX-License-Identifier: GPL-2.0
34 * In the FULL state of a given resource, all non-idle tasks are
48 * FULL means all non-idle tasks in the cgroup are delayed on the CPU
64 * unrealized due to resource contention *also* scales with non-idle
83 * we have to base our calculation on the number of non-idle tasks in
91 * FULL = (threads - min(nr_productive_tasks, threads)) / threads
97 * FULL = (256 - min(256, 256)) / 256 = 0%
99 * For the 1 out of 4 memory-delayed tasks, this yields:
103 * FULL = (4 - min(3, 4)) / 4 = 25%
106 * extension of the single-CPU model. ]
[all …]
/kernel/linux/linux-6.6/arch/mips/kvm/
Demulate.c23 #include <asm/cpu-info.h>
45 struct kvm_vcpu_arch *arch = &vcpu->arch; in kvm_compute_return_epc()
52 return -EINVAL; in kvm_compute_return_epc()
65 arch->gprs[insn.r_format.rd] = epc + 8; in kvm_compute_return_epc()
68 nextpc = arch->gprs[insn.r_format.rs]; in kvm_compute_return_epc()
71 return -EINVAL; in kvm_compute_return_epc()
84 if ((long)arch->gprs[insn.i_format.rs] < 0) in kvm_compute_return_epc()
93 if ((long)arch->gprs[insn.i_format.rs] >= 0) in kvm_compute_return_epc()
102 arch->gprs[31] = epc + 8; in kvm_compute_return_epc()
103 if ((long)arch->gprs[insn.i_format.rs] < 0) in kvm_compute_return_epc()
[all …]

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