| /linux-5.10/drivers/net/ethernet/sfc/ |
| D | enum.h | 11 * enum efx_loopback_mode - loopback modes
12 * @LOOPBACK_NONE: no loopback
13 * @LOOPBACK_DATA: data path loopback
14 * @LOOPBACK_GMAC: loopback within GMAC
15 * @LOOPBACK_XGMII: loopback after XMAC
16 * @LOOPBACK_XGXS: loopback within BPX after XGXS
17 * @LOOPBACK_XAUI: loopback within BPX before XAUI serdes
18 * @LOOPBACK_GMII: loopback within BPX after GMAC
19 * @LOOPBACK_SGMII: loopback within BPX within SGMII
20 * @LOOPBACK_XGBR: loopback within BPX within XGBR
[all …]
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| D | selftest.c | 39 * Loopback test packet structure
52 /* Loopback test source MAC address */
58 "Hello world! This is an Efx loopback test in progress!";
71 * struct efx_loopback_state - persistent state during a loopback selftest
273 * Loopback testing
274 * NB Only one loopback test can be executing concurrently.
278 /* Loopback test RX callback
279 * This is called for each received packet during loopback testing.
304 "saw runt RX packet (length %d) in %s loopback " in efx_loopback_rx_packet()
312 "saw non-loopback RX packet in %s loopback test\n", in efx_loopback_rx_packet()
[all …]
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| /linux-5.10/drivers/net/ethernet/sfc/falcon/ |
| D | enum.h | 11 * enum ef4_loopback_mode - loopback modes
12 * @LOOPBACK_NONE: no loopback
13 * @LOOPBACK_DATA: data path loopback
14 * @LOOPBACK_GMAC: loopback within GMAC
15 * @LOOPBACK_XGMII: loopback after XMAC
16 * @LOOPBACK_XGXS: loopback within BPX after XGXS
17 * @LOOPBACK_XAUI: loopback within BPX before XAUI serdes
18 * @LOOPBACK_GMII: loopback within BPX after GMAC
19 * @LOOPBACK_SGMII: loopback within BPX within SGMII
20 * @LOOPBACK_XGBR: loopback within BPX within XGBR
[all …]
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| D | selftest.c | 36 * Loopback test packet structure
49 /* Loopback test source MAC address */
55 "Hello world! This is an Efx loopback test in progress!";
68 * struct ef4_loopback_state - persistent state during a loopback selftest
275 * Loopback testing
276 * NB Only one loopback test can be executing concurrently.
280 /* Loopback test RX callback
281 * This is called for each received packet during loopback testing.
306 "saw runt RX packet (length %d) in %s loopback " in ef4_loopback_rx_packet()
314 "saw non-loopback RX packet in %s loopback test\n", in ef4_loopback_rx_packet()
[all …]
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| /linux-5.10/sound/drivers/ |
| D | aloop.c | 3 * Loopback soundcard
34 MODULE_DESCRIPTION("A loopback soundcard");
36 MODULE_SUPPORTED_DEVICE("{{ALSA,Loopback soundcard}}");
48 MODULE_PARM_DESC(index, "Index value for loopback soundcard.");
50 MODULE_PARM_DESC(id, "ID string for loopback soundcard.");
52 MODULE_PARM_DESC(enable, "Enable this loopback soundcard.");
54 MODULE_PARM_DESC(pcm_substreams, "PCM substreams # (1-8) for loopback driver.");
71 * call in loopback->cable_lock
87 * call in loopback->cable_lock
130 struct loopback { struct
[all …]
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| /linux-5.10/tools/testing/selftests/net/forwarding/ |
| D | loopback.sh | 44 check_fail $? "Matched on a filter without loopback setup"
46 ethtool -K $h1 loopback on
47 check_err $? "Failed to enable loopback"
54 check_err $? "Did not match on filter with loopback"
56 ethtool -K $h1 loopback off
57 check_err $? "Failed to disable loopback"
62 check_fail $? "Matched on a filter after loopback was removed"
66 log_test "loopback"
79 if ethtool -k $h1 | grep loopback | grep -q fixed; then
80 log_test "SKIP: dev $h1 does not support loopback feature"
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| /linux-5.10/drivers/net/ethernet/cisco/enic/ |
| D | enic_res.h | 47 int offload_mode, int cq_entry, int sop, int eop, int loopback) in enic_queue_wq_desc_ex() argument
63 (u8)loopback); in enic_queue_wq_desc_ex()
71 int eop, int loopback) in enic_queue_wq_desc_cont() argument
75 eop, 0 /* !SOP */, eop, loopback); in enic_queue_wq_desc_cont()
80 unsigned int vlan_tag, int eop, int loopback) in enic_queue_wq_desc() argument
85 eop, 1 /* SOP */, eop, loopback); in enic_queue_wq_desc()
91 unsigned int vlan_tag, int eop, int loopback) in enic_queue_wq_desc_csum() argument
97 eop, 1 /* SOP */, eop, loopback); in enic_queue_wq_desc_csum()
103 int vlan_tag_insert, unsigned int vlan_tag, int eop, int loopback) in enic_queue_wq_desc_csum_l4() argument
108 eop, 1 /* SOP */, eop, loopback); in enic_queue_wq_desc_csum_l4()
[all …]
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| D | wq_enet_desc.h | 56 u8 vlan_tag_insert, u16 vlan_tag, u8 loopback) in wq_enet_desc_enc() argument
61 WQ_ENET_MSS_SHIFT | (loopback & 1) << WQ_ENET_LOOPBACK_SHIFT); in wq_enet_desc_enc()
75 u8 *vlan_tag_insert, u16 *vlan_tag, u8 *loopback) in wq_enet_desc_dec() argument
81 *loopback = (u8)((le16_to_cpu(desc->mss_loopback) >> in wq_enet_desc_dec()
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| /linux-5.10/drivers/staging/greybus/tools/ |
| D | README.loopback | 3 1 - LOOPBACK DRIVER
5 The driver implements the main logic of the loopback test and provides
8 that he understands the sysfs interface of the loopback driver.
10 The loopback kernel driver needs to be loaded and at least one module
11 with the loopback feature enabled must be present for the sysfs files to be
12 created and for the loopback test application to be able to run.
15 # modprobe gb-loopback
19 directory of the detected loopback device.
24 * Loopback Configuration Files:
38 * Loopback feedback files:
[all …]
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| /linux-5.10/tools/testing/selftests/ir/ |
| D | ir_loopback.sh | 12 if ! /sbin/modprobe -q -n rc-loopback; then
13 echo "ir_loopback: module rc-loopback is not found [SKIP]"
17 /sbin/modprobe rc-loopback
22 RCDEV=$(grep -l DRV_NAME=rc-loopback /sys/class/rc/rc*/uevent | grep -o 'rc[0-9]\+')
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| /linux-5.10/net/rds/ |
| D | loop.c | 59 * This 'loopback' transport is a special case for flows that originate
64 * loopback transport instead of the bound transport of the sending socket.
66 * The loopback transport's sending path just hands the sent rds_message
72 * flows to the receiver. In the loopback case, though, the receive path
83 /* Do not send cong updates to loopback */ in rds_loop_xmit()
130 * Even the loopback transport needs to keep track of its connections,
132 * 1+ loopback addresses (127.*.*.*) so it's not a bug to have
133 * multiple loopback conns allocated, although rather useless.
251 .t_name = "loopback",
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| /linux-5.10/Documentation/sound/hd-audio/ |
| D | controls.rst | 38 Analog Loopback
39 This control enables/disables the analog-loopback circuit. This
40 appears only when "loopback" is set to true in a codec hint
41 (see HD-Audio.txt). Note that on some codecs the analog-loopback
77 Loopback Mixing
78 An enum control to determine whether the analog-loopback route is
79 enabled or not. When it's enabled, the analog-loopback is mixed to
|
| D | realtek-pc-beep.rst | 33 Amplify 1Ah loopback, left (L): 1 bit
37 Amplify 1Ah loopback, right (R): 1 bit
41 Loopback 1Ah to 21h [active low] (h): 1 bit
46 Loopback 1Ah to 14h (S): 1 bit
64 Loopback of 1Ah to 21h/14h::
115 away from PC Beep but have failed to disable both loopback paths. On my
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| /linux-5.10/include/linux/ |
| D | serial_max3100.h | 14 * @loopback: force MAX3100 in loopback
25 * .loopback = 0,
42 int loopback; member
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| /linux-5.10/drivers/nvme/target/ |
| D | Kconfig | 32 tristate "NVMe loopback device support"
38 This enables the NVMe loopback device support, which can be useful
66 tristate "NVMe over Fabrics FC Transport Loopback Test driver"
74 This enables the NVMe FC loopback test support, which can be useful
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| /linux-5.10/drivers/net/ethernet/stmicro/stmmac/ |
| D | stmmac_pcs.h | 27 #define GMAC_AN_CTRL_ELE BIT(14) /* External Loopback Enable */
100 * @loopback: to cause the PHY to loopback tx data into rx path.
102 * and init the ANE, select loopback (usually for debugging purpose) and
106 bool srgmi_ral, bool loopback) in dwmac_ctrl_ane() argument
120 if (loopback) in dwmac_ctrl_ane()
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| /linux-5.10/drivers/net/ |
| D | loopback.c | 7 * Pseudo-driver for the loopback interface.
9 * Version: @(#)loopback.c 1.0.4b 08/16/93
22 * on packets received on the loopback
195 /* The loopback device is special. There is only one instance
204 /* Setup and register the loopback device. */
228 panic("loopback: Failed to register netdevice: %d\n", err); in loopback_net_init()
251 * DSTs and unlike loopback, this is not per-ns.
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| /linux-5.10/include/uapi/linux/ |
| D | atmdev.h | 91 /* get loopback mode */
93 /* set loopback mode */
95 /* query supported loopback modes */
124 * Loopback modes for ATM_{PHY,SAR}_{GET,SET}LOOP
127 /* Point of loopback CPU-->SAR-->PHY-->line--> ... */
135 /* Direction of loopback */
142 #define ATM_LM_NONE 0 /* no loopback */
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| /linux-5.10/sound/soc/codecs/ |
| D | wm8998.c | 491 SOC_DAPM_ENUM("AEC1 Loopback", wm8998_aec1_loopback),
492 SOC_DAPM_ENUM("AEC2 Loopback", wm8998_aec2_loopback),
616 SND_SOC_DAPM_MUX("AEC1 Loopback", ARIZONA_DAC_AEC_CONTROL_1,
620 SND_SOC_DAPM_MUX("AEC2 Loopback", ARIZONA_DAC_AEC_CONTROL_2,
841 { name, "AEC", "AEC1 Loopback" }, \
842 { name, "AEC2", "AEC2 Loopback" }, \
1095 { "AEC1 Loopback", "HPOUTL", "OUT1L" },
1096 { "AEC1 Loopback", "HPOUTR", "OUT1R" },
1097 { "AEC2 Loopback", "HPOUTL", "OUT1L" },
1098 { "AEC2 Loopback", "HPOUTR", "OUT1R" },
[all …]
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| /linux-5.10/sound/soc/intel/boards/ |
| D | haswell.c | 89 SND_SOC_DAILINK_DEF(loopback,
90 DAILINK_COMP_ARRAY(COMP_CPU("Loopback Pin")));
132 .name = "Loopback",
133 .stream_name = "Loopback",
138 SND_SOC_DAILINK_REG(loopback, dummy, platform),
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| /linux-5.10/drivers/scsi/fnic/ |
| D | wq_enet_desc.h | 54 u8 vlan_tag_insert, u16 vlan_tag, u8 loopback) in wq_enet_desc_enc() argument
59 WQ_ENET_MSS_SHIFT | (loopback & 1) << WQ_ENET_LOOPBACK_SHIFT); in wq_enet_desc_enc()
73 u8 *vlan_tag_insert, u16 *vlan_tag, u8 *loopback) in wq_enet_desc_dec() argument
79 *loopback = (u8)((le16_to_cpu(desc->mss_loopback) >> in wq_enet_desc_dec()
|
| /linux-5.10/drivers/scsi/snic/ |
| D | wq_enet_desc.h | 54 u8 vlan_tag_insert, u16 vlan_tag, u8 loopback) in wq_enet_desc_enc() argument
59 WQ_ENET_MSS_SHIFT | (loopback & 1) << WQ_ENET_LOOPBACK_SHIFT); in wq_enet_desc_enc()
73 u8 *vlan_tag_insert, u16 *vlan_tag, u8 *loopback) in wq_enet_desc_dec() argument
79 *loopback = (u8)((le16_to_cpu(desc->mss_loopback) >> in wq_enet_desc_dec()
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| /linux-5.10/drivers/spi/ |
| D | spi-loopback-test.c | 3 * linux/drivers/spi/spi-loopback-test.c
7 * Loopback test driver to test several typical spi_message conditions
37 /* the device is jumpered for loopback - enabling some rx_buf tests */
38 static int loopback; variable
39 module_param(loopback, int, 0);
40 MODULE_PARM_DESC(loopback,
41 "if set enable loopback mode, where the rx_buf " \
335 dev_info(&spi->dev, "Executing spi-loopback-tests\n"); in spi_loopback_test_probe()
339 dev_info(&spi->dev, "Finished spi-loopback-tests with return: %i\n", in spi_loopback_test_probe()
347 { .compatible = "linux,spi-loopback-test", },
[all …]
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| /linux-5.10/net/rose/ |
| D | rose_route.c | 70 if (rose_node != NULL && rose_node->loopback) { in rose_add_node()
98 rose_neigh->loopback = 0; in rose_add_node()
160 rose_node->loopback = 0; in rose_add_node()
311 if (rose_node == NULL || rose_node->loopback) { in rose_del_node()
367 * Add the loopback neighbour.
385 sn->loopback = 1; in rose_add_loopback_neigh()
401 * Add a loopback node.
414 rose_node->loopback) in rose_add_loopback_node()
430 rose_node->loopback = 1; in rose_add_loopback_node()
446 * Delete a loopback node.
[all …]
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| /linux-5.10/net/sunrpc/ |
| D | sunrpc.h | 43 int loopback = 0; in sock_is_loopback() local
48 loopback = 1; in sock_is_loopback()
50 return loopback; in sock_is_loopback()
|