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/linux/Documentation/devicetree/bindings/net/
H A Dmctp-i2c-controller.yaml4 $id: http://devicetree.org/schemas/net/mctp-i2c-controller.yaml#
7 title: MCTP I2C transport
13 An mctp-i2c-controller defines a local MCTP endpoint on an I2C controller.
14 MCTP I2C is specified by DMTF DSP0237.
16 An mctp-i2c-controller must be attached to an I2C adapter which supports
18 busses) are attached to the mctp-i2c-controller with a 'mctp-controller'
19 property on each used bus. Each mctp-controller I2C bus will be presented
20 to the host system as a separate MCTP I2
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/linux/net/mctp/
H A DKconfig2 menuconfig MCTP config
4 bool "MCTP core protocol support"
6 Management Component Transport Protocol (MCTP) is an in-system
11 This option enables core MCTP support. For communicating with other
16 bool "MCTP core tests" if !KUNIT_ALL_TESTS
18 depends on MCTP=y && KUNIT=y
23 depends on MCTP
H A Dneigh.c3 * Management Component Transport Protocol (MCTP) - routing
14 #include <linux/mctp.h>
19 #include <net/mctp.h>
32 mutex_lock(&net->mctp.neigh_lock); in mctp_neigh_add()
55 list_add_rcu(&neigh->list, &net->mctp.neighbours); in mctp_neigh_add()
58 mutex_unlock(&net->mctp.neigh_lock); in mctp_neigh_add()
76 mutex_lock(&net->mctp.neigh_lock); in mctp_neigh_remove_dev()
77 list_for_each_entry_safe(neigh, tmp, &net->mctp.neighbours, list) { in mctp_neigh_remove_dev()
85 mutex_unlock(&net->mctp.neigh_lock); in mctp_neigh_remove_dev()
95 mutex_lock(&net->mctp in mctp_neigh_remove()
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H A Daf_mctp.c3 * Management Component Transport Protocol (MCTP)
12 #include <linux/mctp.h>
16 #include <net/mctp.h>
21 #include <trace/events/mctp.h>
69 /* it's a valid sockaddr for MCTP, cast and do protocol checks */ in mctp_bind()
129 * connections (Tag Owner set) since MCTP is a datagram protocol.
146 /* It's a valid sockaddr for MCTP, cast and do protocol checks */ in mctp_connect()
364 __must_hold(&net->mctp.keys_lock) in __mctp_key_remove()
533 spin_lock_irqsave(&net->mctp.keys_lock, flags); in mctp_ioctl_alloctag()
537 spin_unlock_irqrestore(&net->mctp in mctp_ioctl_alloctag()
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H A Droute.c3 * Management Component Transport Protocol (MCTP) - routing
15 #include <linux/mctp.h>
24 #include <net/mctp.h>
29 #include <trace/events/mctp.h>
56 sk_for_each_rcu(sk, &net->mctp.binds[hash]) { in mctp_lookup_bind_details()
131 * struct net->mctp.keys contains our set of currently-allocated keys for
132 * MCTP tag management. The lookup tuple for these is the peer EID,
133 * local EID and MCTP tag.
198 spin_lock_irqsave(&net->mctp.keys_lock, flags); in mctp_lookup_key()
200 hlist_for_each_entry(key, &net->mctp in mctp_lookup_key()
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H A DMakefile2 obj-$(CONFIG_MCTP) += mctp.o
3 mctp-objs := af_mctp.o device.o route.o neigh.o
H A Ddevice.c3 * Management Component Transport Protocol (MCTP) - device implementation.
11 #include <linux/mctp.h>
18 #include <net/mctp.h>
128 NL_SET_ERR_MSG(cb->extack, "mctp: Invalid header for addr dump request"); in mctp_dump_addrinfo()
413 /* Matches netdev types that should have MCTP handling */
/linux/Documentation/networking/
H A Dmctp.rst4 Management Component Transport Protocol (MCTP)
7 net/mctp/ contains protocol support for MCTP, as defined by DMTF standard
9 provided in drivers/net/mctp/.
11 The core code provides a socket-based interface to send and receive MCTP
17 The kernel models the local MCTP topology through two items: interfaces and
20 An interface (or "link") is an instance of an MCTP physical transport binding
24 A network defines a unique address space for MCTP endpoints by endpoint-ID
41 MCTP uses ``AF_MCTP`` / ``PF_MCTP`` for the address- and protocol- families.
42 Since MCTP i
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H A Dindex.rst76 mctp
/linux/drivers/gpu/drm/nouveau/nvkm/subdev/fsp/
H A Dgh100.c176 if (NVVAL_TEST(reply.mctp_header, MCTP, HEADER, SOM, !=, 1) || in gh100_fsp_send_sync()
177 NVVAL_TEST(reply.mctp_header, MCTP, HEADER, EOM, !=, 1)) { in gh100_fsp_send_sync()
178 nvkm_error(subdev, "unexpected MCTP header in reply: 0x%08x\n", reply.mctp_header); in gh100_fsp_send_sync()
182 if (NVDEF_TEST(reply.nvdm_header, MCTP, MSG_HEADER, TYPE, !=, VENDOR_PCI) || in gh100_fsp_send_sync()
183 NVDEF_TEST(reply.nvdm_header, MCTP, MSG_HEADER, VENDOR_ID, !=, NV) || in gh100_fsp_send_sync()
184 NVVAL_TEST(reply.nvdm_header, MCTP, MSG_HEADER, NVDM_TYPE, !=, NVDM_TYPE_FSP_RESPONSE)) { in gh100_fsp_send_sync()
214 msg.mctp_header = NVVAL(MCTP, HEADER, SOM, 1) | in gh100_fsp_boot_gsp_fmc()
215 NVVAL(MCTP, HEADER, EOM, 1) | in gh100_fsp_boot_gsp_fmc()
216 NVVAL(MCTP, HEADER, SEID, 0) | in gh100_fsp_boot_gsp_fmc()
217 NVVAL(MCTP, HEADE in gh100_fsp_boot_gsp_fmc()
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/linux/drivers/net/mctp/
H A DMakefile1 obj-$(CONFIG_MCTP_SERIAL) += mctp-serial.o
2 obj-$(CONFIG_MCTP_TRANSPORT_I2C) += mctp-i2c.o
3 obj-$(CONFIG_MCTP_TRANSPORT_I3C) += mctp-i3c.o
4 obj-$(CONFIG_MCTP_TRANSPORT_USB) += mctp-usb.o
H A Dmctp-i3c.c4 * "DSP0233 Management Component Transport Protocol (MCTP) I3C Transport
17 #include <net/mctp.h>
24 /* 64 byte payload, 4 byte MCTP header */
28 /* 4 byte MCTP header, no data, 1 byte PEC */
42 static const char *MCTP_I3C_OF_PROP = "mctp-controller";
190 /* Not a mctp-i3c interrupt, ignore it */ in mctp_i3c_ibi_handler()
254 /* Adds a new MCTP i3c_device to a bus */
284 dev_warn(i3cdev_to_dev(i3c), "Error adding mctp-i3c device, %d\n", rc); in mctp_i3c_add_device()
302 /* probably no "mctp-controller" property on the i3c bus */ in mctp_i3c_probe()
652 /* Removes all mctp
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H A Dmctp-usb.c3 * mctp-usb.c - MCTP-over-USB (DMTF DSP0283) transport binding driver.
14 #include <linux/usb/mctp-usb.h>
16 #include <net/mctp.h>
184 u8 pkt_len; /* length of MCTP packet, no USB header */ in mctp_usb_in_complete()
377 .name = "mctp-usb",
387 MODULE_DESCRIPTION("MCTP USB transport");
H A Dmctp-serial.c3 * Management Component Transport Protocol (MCTP) - serial transport
5 * "DSP0253 - Management Component Transport Protocol (MCTP) Serial Transport
10 * This driver provides DSP0253-type MCTP-over-serial transport using a Linux
24 #include <linux/mctp.h>
25 #include <net/mctp.h>
29 #define MCTP_SERIAL_MTU 68 /* base mtu (64) + mctp header */
425 /* we limit at the fixed MTU, which is also the MCTP-standard in mctp_serial_setup()
503 .name = "mctp",
525 MODULE_DESCRIPTION("MCTP Serial transport");
/linux/Documentation/ABI/testing/
H A Dsysfs-class-intel_pmt-features41 - Present if the feature supports out-of-band MCTP access.
42 - Maximum supported MCTP command size for out-of-band PMT access (bytes).
46 - Present if the feature supports out-of-band MCTP access.
47 - Maximum supported MCTP stream size (bytes).
108 the capability (e.g., `max_command_size` for MCTP-capable features).
/linux/include/linux/usb/
H A Dmctp-usb.h3 * mctp-usb.h - MCTP USB transport binding: common definitions,
/linux/include/net/netns/
H A Dmctp.h3 * MCTP per-net structures
35 /* MCTP network */
/linux/arch/arm/boot/dts/aspeed/
H A Daspeed-bmc-facebook-catalina.dts190 mctp@10 {
191 compatible = "mctp-i2c-controller";
205 mctp-controller;
222 mctp-controller;
319 mctp-controller;
336 mctp-controller;
801 mctp-controller;
802 mctp@10 {
803 compatible = "mctp-i2c-controller";
936 mctp
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H A Daspeed-bmc-facebook-greatlakes.dts159 mctp-controller;
169 mctp@10 {
170 compatible = "mctp-i2c-controller";
/linux/net/mctp/test/
H A Dutils.c4 #include <linux/mctp.h>
7 #include <net/mctp.h>
142 list_add_rcu(&rt->rt.list, &net->mctp.routes); in mctp_test_create_route_direct()
167 list_add_rcu(&rt->rt.list, &net->mctp.routes); in mctp_test_create_route_gw()
H A Droute-test.c6 #include <net/mctp.h>
466 mns = &sock_net(sock->sk)->mctp; in mctp_test_route_input_sk_keys()
672 mns = &sock_net(t->sock->sk)->mctp; in mctp_test_route_input_multiple_nets_key_init()
885 /* Feed the fragments into MCTP core */ in mctp_test_route_input_cloned_frag()
949 /* Assign a single EID. ->addrs is freed on mctp netdev release */ in mctp_test_flow_init()
974 /* test that an outgoing skb has the correct MCTP extension data set */
1006 /* test that outgoing skbs, after fragmentation, all have the correct MCTP
1098 mns = &sock_net(sock->sk)->mctp; in mctp_test_route_output_key_create()
1372 list_add_rcu(&neigh.list, &init_net.mctp.neighbours); in mctp_test_route_gw_output()
1380 * mctp header, and 4 bytes of data in mctp_test_route_gw_output()
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H A Dutils.h8 #include <net/mctp.h>
/linux/drivers/scsi/mpt3sas/
H A Dmpt3sas_ctl.h492 * mpt3sas_get_device_count - Retrieve the count of MCTP passthrough
495 * Returns number of devices that support MCTP passthrough.
500 * mpt3sas_send_passthru_cmd - Send an MPI MCTP passthrough command to
502 * @command: The MPI MCTP passthrough command to send to firmware
/linux/Documentation/devicetree/bindings/i3c/
H A Di3c.yaml58 mctp-controller:
62 MCTP over I3C transport.
/linux/include/net/
H A Dmctpdevice.h3 * Management Component Transport Protocol (MCTP) - device

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