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/linux/drivers/net/
H A Dtap.c99 .name = "tap",
146 static int tap_enable_queue(struct tap_dev *tap, struct file *file, in tap_enable_queue() argument
157 rcu_assign_pointer(tap->taps[tap->numvtaps], q); in tap_enable_queue()
158 q->queue_index = tap->numvtaps; in tap_enable_queue()
161 tap->numvtaps++; in tap_enable_queue()
167 static int tap_set_queue(struct tap_dev *tap, struct file *file, in tap_set_queue() argument
170 if (tap->numqueues == MAX_TAP_QUEUES) in tap_set_queue()
173 rcu_assign_pointer(q->tap, tap); in tap_set_queue()
174 rcu_assign_pointer(tap->taps[tap->numvtaps], q); in tap_set_queue()
178 q->queue_index = tap->numvtaps; in tap_set_queue()
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H A Dmacvtap.c30 struct tap_dev tap; member
54 static void macvtap_count_tx_dropped(struct tap_dev *tap) in macvtap_count_tx_dropped() argument
56 struct macvtap_dev *vlantap = container_of(tap, struct macvtap_dev, tap); in macvtap_count_tx_dropped()
62 static void macvtap_count_rx_dropped(struct tap_dev *tap) in macvtap_count_rx_dropped() argument
64 struct macvtap_dev *vlantap = container_of(tap, struct macvtap_dev, tap); in macvtap_count_rx_dropped()
70 static void macvtap_update_features(struct tap_dev *tap, in macvtap_update_features() argument
73 struct macvtap_dev *vlantap = container_of(tap, struct macvtap_dev, tap); in macvtap_update_features()
87 INIT_LIST_HEAD(&vlantap->tap.queue_list); in macvtap_newlink()
90 * tap support all offloads also. in macvtap_newlink()
92 vlantap->tap.tap_features = TUN_OFFLOADS; in macvtap_newlink()
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/linux/drivers/net/ipvlan/
H A Dipvtap.c47 struct tap_dev tap; member
50 static void ipvtap_count_tx_dropped(struct tap_dev *tap) in ipvtap_count_tx_dropped() argument
52 struct ipvtap_dev *vlantap = container_of(tap, struct ipvtap_dev, tap); in ipvtap_count_tx_dropped()
58 static void ipvtap_count_rx_dropped(struct tap_dev *tap) in ipvtap_count_rx_dropped() argument
60 struct ipvtap_dev *vlantap = container_of(tap, struct ipvtap_dev, tap); in ipvtap_count_rx_dropped()
66 static void ipvtap_update_features(struct tap_dev *tap, in ipvtap_update_features() argument
69 struct ipvtap_dev *vlantap = container_of(tap, struct ipvtap_dev, tap); in ipvtap_update_features()
83 INIT_LIST_HEAD(&vlantap->tap.queue_list); in ipvtap_newlink()
86 * tap support all offloads also. in ipvtap_newlink()
88 vlantap->tap.tap_features = TUN_OFFLOADS; in ipvtap_newlink()
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/linux/Documentation/devicetree/bindings/mmc/
H A Dsdhci-am654.yaml56 # PHY output tap delays:
62 description: Output tap delay for SD/MMC legacy timing
68 description: Output tap delay for MMC high speed timing
74 description: Output tap delay for SD high speed timing
80 description: Output tap delay for SD UHS SDR12 timing
86 description: Output tap delay for SD UHS SDR25 timing
92 description: Output tap delay for SD UHS SDR50 timing
98 description: Output tap delay for SD UHS SDR104 timing
104 description: Output tap delay for SD UHS DDR50 timing
110 description: Output tap delay for eMMC DDR52 timing
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/linux/include/linux/
H A Dif_tap.h28 * Maximum times a tap device can be opened. This can be used to
47 void (*update_features)(struct tap_dev *tap, netdev_features_t features);
48 void (*count_tx_dropped)(struct tap_dev *tap);
49 void (*count_rx_dropped)(struct tap_dev *tap);
53 * A tap queue is the central object of tap module, it connects
67 struct tap_dev __rcu *tap; member
77 void tap_del_queues(struct tap_dev *tap);
78 int tap_get_minor(dev_t major, struct tap_dev *tap);
79 void tap_free_minor(dev_t major, struct tap_dev *tap);
80 int tap_queue_resize(struct tap_dev *tap);
/linux/Documentation/networking/
H A Dtuntap.rst5 Universal TUN/TAP device driver
13 FreeBSD TAP driver
21 TUN/TAP provides packet reception and transmission for user space programs.
34 IP packets (with tun) or ethernet frames (with tap). Which one is being used
38 for how to use tun and tap devices. Both programs work like a bridge between
104 * IFF_TAP - TAP device
158 * IFF_TAP - TAP device
209 Universal TUN/TAP device driver Frequently Asked Question
212 1. What platforms are supported by TUN/TAP driver ?
220 2. What is TUN/TAP driver used for?
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/linux/Documentation/devicetree/bindings/spi/
H A Dnvidia,tegra210-quad-peripheral-props.yaml14 nvidia,tx-clk-tap-delay:
16 Delays the clock going out to device with this tap value.
17 Tap value varies based on platform design trace lengths from Tegra
23 nvidia,rx-clk-tap-delay:
25 Delays the clock coming in from the device with this tap value.
26 Tap value varies based on platform design trace lengths from Tegra
/linux/include/linux/input/
H A Dadxl34x.h31 * Y, or Z participation in Tap detection. A '0' excludes the
32 * selected axis from participation in Tap detection.
33 * Setting the SUPPRESS bit suppresses Double Tap detection if
35 * tap_latency period, i.e. after the first tap but before the
36 * opening of the second tap window.
48 * holds the threshold value for tap detection/interrupts.
51 * behavior if Tap/Double Tap is enabled.
60 * to qualify as a tap event. The scale factor is 625 us/LSB. A zero
61 * value will prevent Tap/Double Tap functions from working.
69 * from the detection of a tap event to the opening of the time
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/linux/Documentation/dev-tools/
H A Dktap.rst7 TAP, or the Test Anything Protocol is a format for specifying test results used
9 <https://testanything.org/>`_. The Linux Kernel largely uses TAP output for test
11 which don't align with the original TAP specification. Thus, a "Kernel TAP"
12 (KTAP) format is specified to extend and alter TAP to support these use-cases.
28 In general, valid KTAP output should also form valid TAP output, but some
38 version of the (K)TAP standard the result is compliant with.
42 - "TAP version 13"
43 - "TAP version 14"
101 directive is inherited from TAP, its use in the kernel is discouraged.
175 This is an important difference from TAP. Kernel tests may print messages
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/linux/tools/testing/kunit/test_data/
H A Dtest_is_test_passed-kselftest.log1 TAP version 13
4 # TAP version 13
10 # TAP version 13
/linux/tools/testing/selftests/net/
H A Dtest_vxlan_under_vrf.sh27 # | | veth-tap | | | | veth-tap | |
51 ip link del veth-tap 2>/dev/null || true
100 ip link add veth-tap type veth peer name veth-hv
102 ip link set veth-tap netns ${hv[$id]}
103 ip -netns ${hv[$id]} link set veth-tap master br0
104 ip -netns ${hv[$id]} link set veth-tap up
H A Dtap.c206 sprintf(buf, "/dev/tap%d", ifindex); in opentap()
363 FIXTURE(tap) in FIXTURE() argument
368 FIXTURE_SETUP(tap) in FIXTURE_SETUP() argument
383 FIXTURE_TEARDOWN(tap) in FIXTURE_TEARDOWN() argument
397 TEST_F(tap, test_packet_valid_udp_gso) in TEST_F() argument
409 TEST_F(tap, test_packet_valid_udp_csum) in TEST_F() argument
421 TEST_F(tap, test_packet_crash_tap_invalid_eth_proto) in TEST_F() argument
/linux/drivers/firewire/
H A DKconfig30 log in TAP format (https://testanything.org/). Only useful for
46 log in TAP format (https://testanything.org/). Only useful for
62 log in TAP format (https://testanything.org/). Only useful for
77 log in TAP format (https://testanything.org/). Only useful for
104 log in TAP format (https://testanything.org/). Only useful for
/linux/drivers/mmc/host/
H A Dsdhci-of-aspeed.c130 u8 tap, bool enable, u32 reg) in aspeed_sdc_set_phase_tap() argument
134 reg |= tap << __ffs(desc->tap_mask); in aspeed_sdc_set_phase_tap()
168 unsigned int tap; in aspeed_sdhci_phase_to_tap() local
187 tap = div_u64(phase_period_ps, prop_delay_ps); in aspeed_sdhci_phase_to_tap()
188 if (tap > ASPEED_SDHCI_NR_TAPS) { in aspeed_sdhci_phase_to_tap()
190 …"Requested out of range phase tap %d for %d degrees of phase compensation at %luHz, clamping to ta… in aspeed_sdhci_phase_to_tap()
191 tap, phase_deg, rate_hz, ASPEED_SDHCI_NR_TAPS); in aspeed_sdhci_phase_to_tap()
192 tap = ASPEED_SDHCI_NR_TAPS; in aspeed_sdhci_phase_to_tap()
195 return inverted | tap; in aspeed_sdhci_phase_to_tap()
H A Dsdhci-tegra.c335 static void tegra_sdhci_set_tap(struct sdhci_host *host, unsigned int tap) in tegra_sdhci_set_tap() argument
344 * Touching the tap values is a bit tricky on some SoC generations. in tegra_sdhci_set_tap()
346 * the tap values are changed. in tegra_sdhci_set_tap()
354 reg |= tap << SDHCI_CLOCK_CTRL_TAP_SHIFT; in tegra_sdhci_set_tap()
718 err = device_property_read_u32(mmc_dev(host->mmc), "nvidia,default-tap", in tegra_sdhci_parse_tap_and_trim()
859 u8 word, bit, edge1, tap, window; in tegra_sdhci_tap_correction() local
884 tap = word * TUNING_WORD_BIT_SIZE + bit; in tegra_sdhci_tap_correction()
889 first_fail_tap = tap; in tegra_sdhci_tap_correction()
894 start_pass_tap = tap; in tegra_sdhci_tap_correction()
897 first_pass_tap = tap; in tegra_sdhci_tap_correction()
[all …]
H A Drenesas_sdhi.h19 u32 tap; /* sampling clock position for SDR104/HS400 (8 TAP) */ member
20 u32 tap_hs400_4tap; /* sampling clock position for HS400 (4 TAP) */
/linux/drivers/media/platform/ti/omap3isp/
H A Dispresizer.h27 * @h_filter_coef_4tap: Horizontal filter coefficients for 8-phase/4-tap
29 * @v_filter_coef_4tap: Vertical filter coefficients for 8-phase/4-tap
31 * @h_filter_coef_7tap: Horizontal filter coefficients for 4-phase/7-tap
33 * @v_filter_coef_7tap: Vertical filter coefficients for 4-phase/7-tap
/linux/Documentation/devicetree/bindings/net/
H A Damd-xgbe.txt49 - amd,serdes-dfe-tap-config: DFE taps available to run
50 - amd,serdes-dfe-tap-enable: DFE taps to enable
74 amd,serdes-dfe-tap-config = <3>, <3>, <1>;
75 amd,serdes-dfe-tap-enable = <0>, <0>, <127>;
/linux/arch/arm64/boot/dts/amd/
H A Damd-seattle-xgbe-b.dtsi52 amd,serdes-dfe-tap-config = <3>, <3>, <3>;
53 amd,serdes-dfe-tap-enable = <0>, <0>, <7>;
78 amd,serdes-dfe-tap-config = <3>, <3>, <3>;
79 amd,serdes-dfe-tap-enable = <0>, <0>, <7>;
/linux/arch/um/drivers/
H A Dvector_user.h16 #define TRANS_TAP "tap"
59 * rx and tx method. Example - read tap via raw socket using
60 * recvmmsg, write using legacy tap write calls
H A DKconfig173 bool "TUN/TAP transport (obsolete)"
176 The UML TUN/TAP network transport allows a UML instance to exchange
177 packets with the host over a TUN/TAP device. This option will only
178 work with a 2.4 host, unless you've applied the TUN/TAP patch to
181 To use this transport, your host kernel must have support for TUN/TAP
247 This driver provides tap, raw, gre and l2tpv3 network transports
/linux/drivers/media/platform/via/
H A Dvia-camera.h52 001 = 2 tap
53 010 = 3 tap
54 011 = 4 tap
55 100 = 5 tap */
/linux/tools/testing/selftests/tc-testing/creating-plugins/
H A DAddingPlugins.txt48 TAP output. The tdc.py script will do that for the test suite as
51 co-processes) then that other tap output can be generated in the
59 the TAP output for the extra test cases.
/linux/arch/arm/mach-omap2/
H A Dti81xx.h18 * Adjust TAP register base such that omap3_check_revision accesses the correct
19 * TI81XX register for checking device ID (it adds 0x204 to tap base while
/linux/drivers/input/misc/
H A Dadxl34x.c24 #define THRESH_TAP 0x1D /* R/W Tap threshold */
28 #define DUR 0x21 /* R/W Tap duration */
29 #define LATENT 0x22 /* R/W Tap latency */
30 #define WINDOW 0x23 /* R/W Tap window */
38 #define TAP_AXES 0x2A /* R/W Axis control for tap/double tap */
39 #define ACT_TAP_STATUS 0x2B /* R Source of tap/double tap */
54 #define TAP_SIGN 0x3A /* R Sign and source for tap/double tap */
306 * Avoid reading ACT_TAP_STATUS in case TAP detection is disabled in adxl34x_irq()

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