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/linux/drivers/gpu/drm/amd/display/dc/link/protocols/
H A Dlink_dp_capability.c27 * This file implements dp specific link capability retrieval sequence. It is
29 * from dp link. Link capability consists of encoders, DPRXs, cables, retimers,
31 * include this header file in order to access link capability. Accessing link
34 * structure used to represent link capability instead of function interfaces.
44 #include "link/accessories/link_dp_trace.h"
45 #include "link/link_detection.h"
46 #include "link/link_validation.h"
57 link->ctx->logger
72 /* This link training fallback array is ordered by
73 * link bandwidth from highest to lowest.
[all …]
H A Dlink_edp_panel_control.c43 link->ctx->logger
53 void dp_set_panel_mode(struct dc_link *link, enum dp_panel_mode panel_mode) in dp_set_panel_mode() argument
73 link, in dp_set_panel_mode()
85 link, in dp_set_panel_mode()
93 link->panel_mode = panel_mode; in dp_set_panel_mode()
94 DC_LOG_DETECTION_DP_CAPS("Link: %d eDP panel mode supported: %d " in dp_set_panel_mode()
96 link->link_index, in dp_set_panel_mode()
97 link->dpcd_caps.panel_mode_edp, in dp_set_panel_mode()
101 enum dp_panel_mode dp_get_panel_mode(struct dc_link *link) in dp_get_panel_mode() argument
107 if (link->connector_signal != SIGNAL_TYPE_DISPLAY_PORT) { in dp_get_panel_mode()
[all …]
H A Dlink_dp_training_8b_10b.c27 * This file implements dp 8b/10b link training software policies and
36 link->ctx->logger
49 static int32_t get_cr_training_aux_rd_interval(struct dc_link *link, in get_cr_training_aux_rd_interval() argument
58 if (link->dpcd_caps.dpcd_rev.raw >= DPCD_REV_12) in get_cr_training_aux_rd_interval()
60 link, in get_cr_training_aux_rd_interval()
64 else if (dp_is_lttpr_present(link)) in get_cr_training_aux_rd_interval()
78 struct dc_link *link, in get_eq_training_aux_rd_interval() argument
86 link, in get_eq_training_aux_rd_interval()
91 if (link->dpcd_caps.dpcd_rev.raw >= DPCD_REV_12) in get_eq_training_aux_rd_interval()
93 link, in get_eq_training_aux_rd_interval()
[all …]
/linux/drivers/gpu/drm/amd/display/dc/link/
H A Dlink_factory.c27 * This file owns the creation/destruction of link structure.
56 /* link factory owns the creation/destruction of link structures. */
64 /* link_detection manages link detection states and receiver states by using
65 * various link protocols. It also provides helper functions to interpret
87 /* link resource implements accessors to link resource. */
95 /* link validation owns timing validation against various link limitations. (ex.
96 * link bandwidth, receiver capability or our hardware capability) It also
107 /* link dpms owns the programming sequence of stream's dpms state associated
108 * with the link and link's enable/disable sequences as result of the stream's
126 /* link ddc implements generic display communication protocols such as i2c, aux
[all …]
H A Dlink_detection.c27 * This file manages link detection states and receiver states by using various
28 * link protocols. It also provides helper functions to interpret certain
55 link->ctx->logger
170 static enum signal_type link_detect_sink_signal_type(struct dc_link *link, in link_detect_sink_signal_type() argument
176 if (link->is_dig_mapping_flexible) in link_detect_sink_signal_type()
179 enc_id = link->link_enc->id; in link_detect_sink_signal_type()
180 result = get_basic_signal_type(enc_id, link->link_id); in link_detect_sink_signal_type()
182 /* Use basic signal type for link without physical connector. */ in link_detect_sink_signal_type()
183 if (link->ep_type != DISPLAY_ENDPOINT_PHY) in link_detect_sink_signal_type()
199 if (link->link_id.id == CONNECTOR_ID_PCIE) { in link_detect_sink_signal_type()
[all …]
H A Dlink_dpms.c28 * with the link and link's enable/disable sequences as result of the stream's
31 * TODO - The reason link owns stream's dpms programming sequence is
33 * specific link protocols. This unfortunately causes link to own a portion of
35 * boundary between link and stream is not clearly defined.
120 void link_blank_dp_stream(struct dc_link *link, bool hw_init) in link_blank_dp_stream() argument
123 struct dc *dc = link->ctx->dc; in link_blank_dp_stream()
124 enum signal_type signal = link->connector_signal; in link_blank_dp_stream()
128 if (link->ep_type == DISPLAY_ENDPOINT_PHY && in link_blank_dp_stream()
129 link->link_enc->funcs->get_dig_frontend && in link_blank_dp_stream()
130 link->link_enc->funcs->is_dig_enabled(link->link_enc)) { in link_blank_dp_stream()
[all …]
/linux/drivers/gpu/drm/msm/dp/
H A Ddp_link.c52 struct msm_dp_link_info *link) in msm_dp_aux_link_power_up() argument
58 if (link->revision < 0x11) in msm_dp_aux_link_power_up()
80 struct msm_dp_link_info *link) in msm_dp_aux_link_power_down() argument
85 if (link->revision < 0x11) in msm_dp_aux_link_power_down()
102 static int msm_dp_link_get_period(struct msm_dp_link_private *link, int const addr) in msm_dp_link_get_period() argument
109 if (drm_dp_dpcd_readb(link->aux, addr, &data) < 0) { in msm_dp_link_get_period()
128 static int msm_dp_link_parse_audio_channel_period(struct msm_dp_link_private *link) in msm_dp_link_parse_audio_channel_period() argument
131 struct msm_dp_link_test_audio *req = &link->msm_dp_link.test_audio; in msm_dp_link_parse_audio_channel_period()
133 ret = msm_dp_link_get_period(link, DP_TEST_AUDIO_PERIOD_CH1); in msm_dp_link_parse_audio_channel_period()
138 drm_dbg_dp(link->drm_dev, "test_audio_period_ch_1 = 0x%x\n", ret); in msm_dp_link_parse_audio_channel_period()
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/linux/tools/testing/selftests/drivers/net/mlxsw/
H A Dq_in_q_veto.sh28 ip link set dev $swp1 up
29 ip link set dev $swp2 up
38 ip link set dev $swp2 down
39 ip link set dev $swp1 down
49 ip link add dev br0 type bridge vlan_filtering 1 \
51 ip link set dev br0 addrgenmode none
53 ip link set dev br0 up
54 ip link set dev $swp1 master br0
56 ip link add name br0.100 link br0 type vlan \
60 ip link add name br0.100 link br0 type vlan \
[all …]
H A Dvxlan.sh45 ip link set dev $swp1 up
46 ip link set dev $swp2 up
53 ip link set dev $swp2 down
54 ip link set dev $swp1 down
59 ip link set dev $swp1 master br0
61 ip link set dev vxlan0 master br0
64 ip link set dev $swp1 nomaster
66 ip link set dev $swp1 master br0
72 ip link set dev $swp1 master br0
74 ip link set dev vxlan0 master br0 &> /dev/null
[all …]
H A Dextack.sh22 ip link set dev $swp1 up
23 ip link set dev $swp2 up
30 ip link set dev $swp2 down
31 ip link set dev $swp1 down
38 ip link add name br1 type bridge vlan_filtering 0 mcast_snooping 0
39 ip link set dev br1 addrgenmode none
40 ip link set dev br1 up
41 ip link add name vx1 up type vxlan id 1000 \
45 ip link set dev vx1 master br1
48 ip link set dev $swp1 master br1
[all …]
/linux/drivers/gpu/drm/amd/display/dc/link/accessories/
H A Dlink_dp_trace.c26 #include "link/protocols/link_dpcd.h"
28 void dp_trace_init(struct dc_link *link) in dp_trace_init() argument
30 memset(&link->dp_trace, 0, sizeof(link->dp_trace)); in dp_trace_init()
31 link->dp_trace.is_initialized = true; in dp_trace_init()
34 void dp_trace_reset(struct dc_link *link) in dp_trace_reset() argument
36 memset(&link->dp_trace, 0, sizeof(link->dp_trace)); in dp_trace_reset()
39 bool dp_trace_is_initialized(struct dc_link *link) in dp_trace_is_initialized() argument
41 return link->dp_trace.is_initialized; in dp_trace_is_initialized()
44 void dp_trace_detect_lt_init(struct dc_link *link) in dp_trace_detect_lt_init() argument
46 memset(&link->dp_trace.detect_lt_trace, 0, sizeof(link->dp_trace.detect_lt_trace)); in dp_trace_detect_lt_init()
[all …]
H A Dlink_dp_cts.c26 #include "link/link_resource.h"
27 #include "link/protocols/link_dpcd.h"
28 #include "link/protocols/link_dp_training.h"
29 #include "link/protocols/link_dp_phy.h"
30 #include "link/protocols/link_dp_training_fixed_vs_pe_retimer.h"
31 #include "link/protocols/link_dp_capability.h"
32 #include "link/link_dpms.h"
40 link->ctx->logger
65 static void dp_retrain_link_dp_test(struct dc_link *link, in dp_retrain_link_dp_test() argument
70 struct dc_state *state = link->dc->current_state; in dp_retrain_link_dp_test()
[all …]
/linux/drivers/acpi/
H A Dpci_link.c3 * pci_link.c - ACPI PCI Interrupt Link Device Driver ($Revision: 34 $)
10 * 1. Support more than one IRQ resource entry per link device (index).
33 #define ACPI_PCI_LINK_DEVICE_NAME "PCI Interrupt Link"
52 * If a link is initialized, we never change its active and initialized
53 * later even the link is disable. Instead, we just repick the active irq
78 PCI Link Device Management
82 * set context (link) possible list from resource list
87 struct acpi_pci_link *link = context; in acpi_pci_link_check_possible() local
88 acpi_handle handle = link->device->handle; in acpi_pci_link_check_possible()
112 link->irq.possible[i] = p->interrupts[i]; in acpi_pci_link_check_possible()
[all …]
/linux/sound/soc/intel/boards/
H A Dsof_board_helpers.c11 * Intel HDMI DAI Link
41 * DMIC DAI Link
75 * HDA External Codec DAI Link
134 * DAI Link Helpers
180 static int set_ssp_codec_link(struct device *dev, struct snd_soc_dai_link *link, in set_ssp_codec_link()
186 dev_dbg(dev, "link %d: ssp codec %s, ssp %d\n", be_id, in set_ssp_codec_link()
189 /* link name */ in set_ssp_codec_link()
190 link->name = devm_kasprintf(dev, GFP_KERNEL, "SSP%d-Codec", ssp_codec); in set_ssp_codec_link()
191 if (!link->name) in set_ssp_codec_link()
211 link in set_ssp_codec_link()
178 set_ssp_codec_link(struct device * dev,struct snd_soc_dai_link * link,int be_id,enum snd_soc_acpi_intel_codec codec_type,int ssp_codec) set_ssp_codec_link() argument
224 set_dmic_link(struct device * dev,struct snd_soc_dai_link * link,int be_id,enum sof_dmic_be_type be_type) set_dmic_link() argument
274 set_idisp_hdmi_link(struct device * dev,struct snd_soc_dai_link * link,int be_id,int hdmi_id,bool idisp_codec) set_idisp_hdmi_link() argument
332 set_ssp_amp_link(struct device * dev,struct snd_soc_dai_link * link,int be_id,enum snd_soc_acpi_intel_codec amp_type,int ssp_amp) set_ssp_amp_link() argument
372 set_bt_offload_link(struct device * dev,struct snd_soc_dai_link * link,int be_id,int ssp_bt) set_bt_offload_link() argument
411 set_hdmi_in_link(struct device * dev,struct snd_soc_dai_link * link,int be_id,int ssp_hdmi) set_hdmi_in_link() argument
451 set_hda_codec_link(struct device * dev,struct snd_soc_dai_link * link,int be_id,enum sof_hda_be_type be_type) set_hda_codec_link() argument
543 unsigned long link_order, link; sof_intel_board_set_dai_link() local
[all...]
/linux/Documentation/networking/dsa/
H A Db53.rst67 ip link add link eth0 name eth0.1 type vlan id 1
68 ip link add link eth0 name eth0.2 type vlan id 2
69 ip link add link eth0 name eth0.3 type vlan id 3
72 ip link set eth0 up
73 ip link set eth0.1 up
74 ip link set eth0.2 up
75 ip link set eth0.3 up
78 ip link set wan up
79 ip link set lan1 up
80 ip link set lan2 up
[all …]
H A Dconfiguration.rst101 ip link set eth0 up
104 ip link set lan1 up
105 ip link set lan2 up
106 ip link set lan3 up
113 ip link set eth0 up
116 ip link set lan1 up
117 ip link set lan2 up
118 ip link set lan3 up
121 ip link add name br0 type bridge
124 ip link set dev lan1 master br0
[all …]
/linux/drivers/net/wireless/ralink/rt2x00/
H A Drt2x00link.c10 Abstract: rt2x00 generic link tuning routines.
38 struct link_ant *ant = &rt2x00dev->link.ant; in rt2x00link_antenna_get_link_rssi()
40 if (rt2x00dev->link.qual.rx_success) in rt2x00link_antenna_get_link_rssi()
48 struct link_ant *ant = &rt2x00dev->link.ant; in rt2x00link_antenna_get_rssi_history()
58 struct link_ant *ant = &rt2x00dev->link.ant; in rt2x00link_antenna_update_rssi_history()
64 ewma_rssi_init(&rt2x00dev->link.ant.rssi_ant); in rt2x00link_antenna_reset()
69 struct link_ant *ant = &rt2x00dev->link.ant; in rt2x00lib_antenna_diversity_sample()
110 struct link_ant *ant = &rt2x00dev->link.ant; in rt2x00lib_antenna_diversity_eval()
150 struct link_ant *ant = &rt2x00dev->link.ant; in rt2x00lib_antenna_diversity()
171 } else if (rt2x00dev->link.count & 1) { in rt2x00lib_antenna_diversity()
[all …]
/linux/drivers/gpu/drm/amd/display/dc/link/hwss/
H A Dlink_hwss_hpo_fixed_vs_pe_retimer_dp.c29 static void dp_hpo_fixed_vs_pe_retimer_set_tx_ffe(struct dc_link *link, in dp_hpo_fixed_vs_pe_retimer_set_tx_ffe() argument
54 const uint8_t dp_type = dp_dio_fixed_vs_pe_retimer_lane_cfg_to_hw_cfg(link); in dp_hpo_fixed_vs_pe_retimer_set_tx_ffe()
62 link->dc->link_srv->configure_fixed_vs_pe_retimer(link->ddc, in dp_hpo_fixed_vs_pe_retimer_set_tx_ffe()
64 link->dc->link_srv->configure_fixed_vs_pe_retimer(link->ddc, in dp_hpo_fixed_vs_pe_retimer_set_tx_ffe()
66 link->dc->link_srv->configure_fixed_vs_pe_retimer(link->ddc, in dp_hpo_fixed_vs_pe_retimer_set_tx_ffe()
68 link->dc->link_srv->configure_fixed_vs_pe_retimer(link->ddc, in dp_hpo_fixed_vs_pe_retimer_set_tx_ffe()
70 link->dc->link_srv->configure_fixed_vs_pe_retimer(link->ddc, in dp_hpo_fixed_vs_pe_retimer_set_tx_ffe()
74 static void dp_hpo_fixed_vs_pe_retimer_program_override_test_pattern(struct dc_link *link, in dp_hpo_fixed_vs_pe_retimer_program_override_test_pattern() argument
92 link->dc->link_srv->configure_fixed_vs_pe_retimer(link->ddc, in dp_hpo_fixed_vs_pe_retimer_program_override_test_pattern()
94 link->dc->link_srv->configure_fixed_vs_pe_retimer(link->ddc, in dp_hpo_fixed_vs_pe_retimer_program_override_test_pattern()
[all …]
/linux/drivers/pci/pcie/
H A Daspm.c3 * Enable PCIe link L0s/L1 state and Clock Power Management
229 struct pci_dev *pdev; /* Upstream component of the Link */
231 struct pcie_link_state *root; /* pointer to the root port link */
232 struct pcie_link_state *parent; /* pointer to the parent Link state */
291 static int policy_to_aspm_state(struct pcie_link_state *link) in policy_to_aspm_state() argument
304 return link->aspm_default; in policy_to_aspm_state()
309 static int policy_to_clkpm_state(struct pcie_link_state *link) in policy_to_clkpm_state() argument
320 return link->clkpm_default; in policy_to_clkpm_state()
349 static void pcie_set_clkpm_nocheck(struct pcie_link_state *link, int enable) in pcie_set_clkpm_nocheck() argument
352 struct pci_bus *linkbus = link->pdev->subordinate; in pcie_set_clkpm_nocheck()
[all …]
/linux/net/mac80211/
H A Dlink.c3 * MLO link handling
18 struct ieee80211_link_data *link; in ieee80211_update_apvlan_links() local
41 link = sdata_dereference(vlan->link[link_id], vlan); in ieee80211_update_apvlan_links()
42 ieee80211_link_vlan_copy_chanctx(link); in ieee80211_update_apvlan_links()
77 void ieee80211_link_setup(struct ieee80211_link_data *link) in ieee80211_link_setup() argument
79 if (link->sdata->vif.type == NL80211_IFTYPE_STATION) in ieee80211_link_setup()
80 ieee80211_mgd_setup_link(link); in ieee80211_link_setup()
85 struct ieee80211_link_data *link, in ieee80211_link_init() argument
104 link->sdata = sdata; in ieee80211_link_init()
105 link->link_id = link_id; in ieee80211_link_init()
[all …]
/linux/drivers/ata/
H A Dlibata-sata.c31 * @link: ATA link to test SCR accessibility for
33 * Test whether SCRs are accessible for @link.
41 int sata_scr_valid(struct ata_link *link) in sata_scr_valid() argument
43 struct ata_port *ap = link->ap; in sata_scr_valid()
51 * @link: ATA link to read SCR for
55 * Read SCR register @reg of @link into *@val. This function is
56 * guaranteed to succeed if @link is ap->link, the cable type of
60 * None if @link is ap->link. Kernel thread context otherwise.
65 int sata_scr_read(struct ata_link *link, int reg, u32 *val) in sata_scr_read() argument
67 if (ata_is_host_link(link)) { in sata_scr_read()
[all …]
H A Dlibata-pmp.c26 * @link: link to read PMP register for
38 static unsigned int sata_pmp_read(struct ata_link *link, int reg, u32 *r_val) in sata_pmp_read() argument
40 struct ata_port *ap = link->ap; in sata_pmp_read()
41 struct ata_device *pmp_dev = ap->link.device; in sata_pmp_read()
50 tf.device = link->pmp; in sata_pmp_read()
63 * @link: link to write PMP register for
75 static unsigned int sata_pmp_write(struct ata_link *link, int reg, u32 val) in sata_pmp_write() argument
77 struct ata_port *ap = link->ap; in sata_pmp_write()
78 struct ata_device *pmp_dev = ap->link.device; in sata_pmp_write()
86 tf.device = link->pmp; in sata_pmp_write()
[all …]
/linux/tools/bpf/bpftool/Documentation/
H A Dbpftool-link.rst4 bpftool-link
17 **bpftool** [*OPTIONS*] **link** *COMMAND*
23 LINK COMMANDS
26 | **bpftool** **link { show | list }** [*LINK*]
27 | **bpftool** **link pin** *LINK* *FILE*
28 | **bpftool** **link detach** *LINK*
29 | **bpftool** **link help**
31 | *LINK* := { **id** *LINK_ID* | **pinned** *FILE* }
36 bpftool link { show | list } [*LINK*]
37 Show information about active links. If *LINK* is specified show
[all …]
/linux/drivers/gpu/drm/hisilicon/hibmc/dp/
H A Ddp_link.c14 switch (dp->link.cap.link_rate) { in hibmc_dp_get_serdes_rate_cfg()
35 dp->link.cap.lanes == 0x2 ? 0x3 : 0x1); in hibmc_dp_link_training_configure()
37 dp->link.cap.lanes == 0x2 ? 0x1 : 0); in hibmc_dp_link_training_configure()
43 buf[0] = dp->link.cap.link_rate; in hibmc_dp_link_training_configure()
44 buf[1] = DP_LANE_COUNT_ENHANCED_FRAME_EN | dp->link.cap.lanes; in hibmc_dp_link_training_configure()
47 drm_dbg_dp(dp->dev, "dp aux write link rate and lanes failed, ret: %d\n", ret); in hibmc_dp_link_training_configure()
110 u8 *train_set = dp->link.train_set; in hibmc_dp_link_training_cr_pre()
122 for (i = 0; i < dp->link.cap.lanes; i++) in hibmc_dp_link_training_cr_pre()
125 ret = hibmc_dp_serdes_set_tx_cfg(dp, dp->link.train_set); in hibmc_dp_link_training_cr_pre()
129 ret = drm_dp_dpcd_write(dp->aux, DP_TRAINING_LANE0_SET, train_set, dp->link.cap.lanes); in hibmc_dp_link_training_cr_pre()
[all …]
/linux/net/netfilter/
H A Dnf_bpf_link.c24 struct bpf_link link; member
34 get_proto_defrag_hook(struct bpf_nf_link *link, in get_proto_defrag_hook() argument
64 err = hook->enable(link->net); in get_proto_defrag_hook()
75 static int bpf_nf_enable_defrag(struct bpf_nf_link *link) in bpf_nf_enable_defrag() argument
79 switch (link->hook_ops.pf) { in bpf_nf_enable_defrag()
82 hook = get_proto_defrag_hook(link, &nf_defrag_v4_hook, "nf_defrag_ipv4"); in bpf_nf_enable_defrag()
86 link->defrag_hook = hook; in bpf_nf_enable_defrag()
91 hook = get_proto_defrag_hook(link, &nf_defrag_v6_hook, "nf_defrag_ipv6"); in bpf_nf_enable_defrag()
95 link->defrag_hook = hook; in bpf_nf_enable_defrag()
103 static void bpf_nf_disable_defrag(struct bpf_nf_link *link) in bpf_nf_disable_defrag() argument
[all …]

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