€•€9      Œsphinx.addnodes”Œdocument”“”)”}”(Œ	rawsource”Œ ”Œchildren”]”(Œtranslations”ŒLanguagesNode”“”)”}”(hhh]”(h Œpending_xref”“”)”}”(hhh]”Œdocutils.nodes”ŒText”“”ŒChinese (Simplified)”…””}”Œparent”hsbaŒ
attributes”}”(Œids”]”Œclasses”]”Œnames”]”Œdupnames”]”Œbackrefs”]”Œ	refdomain”Œstd”Œreftype”Œdoc”Œ	reftarget”Œ)/translations/zh_CN/networking/smc-sysctl”Œmodname”NŒ	classname”NŒrefexplicit”ˆuŒtagname”hhhubh)”}”(hhh]”hŒChinese (Traditional)”…””}”hh2sbah}”(h]”h ]”h"]”h$]”h&]”Œ	refdomain”h)Œreftype”h+Œ	reftarget”Œ)/translations/zh_TW/networking/smc-sysctl”Œmodname”NŒ	classname”NŒrefexplicit”ˆuh1hhhubh)”}”(hhh]”hŒItalian”…””}”hhFsbah}”(h]”h ]”h"]”h$]”h&]”Œ	refdomain”h)Œreftype”h+Œ	reftarget”Œ)/translations/it_IT/networking/smc-sysctl”Œmodname”NŒ	classname”NŒrefexplicit”ˆuh1hhhubh)”}”(hhh]”hŒJapanese”…””}”hhZsbah}”(h]”h ]”h"]”h$]”h&]”Œ	refdomain”h)Œreftype”h+Œ	reftarget”Œ)/translations/ja_JP/networking/smc-sysctl”Œmodname”NŒ	classname”NŒrefexplicit”ˆuh1hhhubh)”}”(hhh]”hŒKorean”…””}”hhnsbah}”(h]”h ]”h"]”h$]”h&]”Œ	refdomain”h)Œreftype”h+Œ	reftarget”Œ)/translations/ko_KR/networking/smc-sysctl”Œmodname”NŒ	classname”NŒrefexplicit”ˆuh1hhhubh)”}”(hhh]”hŒSpanish”…””}”hh‚sbah}”(h]”h ]”h"]”h$]”h&]”Œ	refdomain”h)Œreftype”h+Œ	reftarget”Œ)/translations/sp_SP/networking/smc-sysctl”Œmodname”NŒ	classname”NŒrefexplicit”ˆuh1hhhubeh}”(h]”h ]”h"]”h$]”h&]”Œcurrent_language”ŒEnglish”uh1h
hhŒ	_document”hŒsource”NŒline”NubhŒcomment”“”)”}”(hŒ SPDX-License-Identifier: GPL-2.0”h]”hŒ SPDX-License-Identifier: GPL-2.0”…””}”hh£sbah}”(h]”h ]”h"]”h$]”h&]”Œ	xml:space”Œpreserve”uh1h¡hhhžhhŸŒC/var/lib/git/docbuild/linux/Documentation/networking/smc-sysctl.rst”h KubhŒsection”“”)”}”(hhh]”(hŒtitle”“”)”}”(hŒ
SMC Sysctl”h]”hŒ
SMC Sysctl”…””}”(hh»hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1h¹hh¶hžhhŸh³h Kubhµ)”}”(hhh]”(hº)”}”(hŒ/proc/sys/net/smc/* Variables”h]”hŒ/proc/sys/net/smc/* Variables”…””}”(hhÌhžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1h¹hhÉhžhhŸh³h KubhŒdefinition_list”“”)”}”(hhh]”(hŒdefinition_list_item”“”)”}”(hX[  autocorking_size - INTEGER
Setting SMC auto corking size:
SMC auto corking is like TCP auto corking from the application's
perspective of view. When applications do consecutive small
write()/sendmsg() system calls, we try to coalesce these small writes
as much as possible, to lower total amount of CDC and RDMA Write been
sent.
autocorking_size limits the maximum corked bytes that can be sent to
the under device in 1 single sending. If set to 0, the SMC auto corking
is disabled.
Applications can still use TCP_CORK for optimal behavior when they
know how/when to uncork their sockets.

Default: 64K
”h]”(hŒterm”“”)”}”(hŒautocorking_size - INTEGER”h]”hŒautocorking_size - INTEGER”…””}”(hhçhžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1håhŸh³h KhháubhŒ
definition”“”)”}”(hhh]”(hŒ	paragraph”“”)”}”(hX1  Setting SMC auto corking size:
SMC auto corking is like TCP auto corking from the application's
perspective of view. When applications do consecutive small
write()/sendmsg() system calls, we try to coalesce these small writes
as much as possible, to lower total amount of CDC and RDMA Write been
sent.
autocorking_size limits the maximum corked bytes that can be sent to
the under device in 1 single sending. If set to 0, the SMC auto corking
is disabled.
Applications can still use TCP_CORK for optimal behavior when they
know how/when to uncork their sockets.”h]”hX3  Setting SMC auto corking size:
SMC auto corking is like TCP auto corking from the applicationâ€™s
perspective of view. When applications do consecutive small
write()/sendmsg() system calls, we try to coalesce these small writes
as much as possible, to lower total amount of CDC and RDMA Write been
sent.
autocorking_size limits the maximum corked bytes that can be sent to
the under device in 1 single sending. If set to 0, the SMC auto corking
is disabled.
Applications can still use TCP_CORK for optimal behavior when they
know how/when to uncork their sockets.”…””}”(hhühžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1húhŸh³h Khh÷ubhû)”}”(hŒDefault: 64K”h]”hŒDefault: 64K”…””}”(hj
  hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1húhŸh³h Khh÷ubeh}”(h]”h ]”h"]”h$]”h&]”uh1hõhháubeh}”(h]”h ]”h"]”h$]”h&]”uh1hßhŸh³h KhhÜubhà)”}”(hX  smcr_buf_type - INTEGER
Controls which type of sndbufs and RMBs to use in later newly created
SMC-R link group. Only for SMC-R.

Default: 0 (physically contiguous sndbufs and RMBs)

Possible values:

- 0 - Use physically contiguous buffers
- 1 - Use virtually contiguous buffers
- 2 - Mixed use of the two types. Try physically contiguous buffers first.
  If not available, use virtually contiguous buffers then.
”h]”(hæ)”}”(hŒsmcr_buf_type - INTEGER”h]”hŒsmcr_buf_type - INTEGER”…””}”(hj(  hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1håhŸh³h K$hj$  ubhö)”}”(hhh]”(hû)”}”(hŒgControls which type of sndbufs and RMBs to use in later newly created
SMC-R link group. Only for SMC-R.”h]”hŒgControls which type of sndbufs and RMBs to use in later newly created
SMC-R link group. Only for SMC-R.”…””}”(hj9  hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1húhŸh³h Khj6  ubhû)”}”(hŒ3Default: 0 (physically contiguous sndbufs and RMBs)”h]”hŒ3Default: 0 (physically contiguous sndbufs and RMBs)”…””}”(hjG  hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1húhŸh³h Khj6  ubhû)”}”(hŒPossible values:”h]”hŒPossible values:”…””}”(hjU  hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1húhŸh³h Khj6  ubhŒbullet_list”“”)”}”(hhh]”(hŒ	list_item”“”)”}”(hŒ%0 - Use physically contiguous buffers”h]”hû)”}”(hjl  h]”hŒ%0 - Use physically contiguous buffers”…””}”(hjn  hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1húhŸh³h K!hjj  ubah}”(h]”h ]”h"]”h$]”h&]”uh1jh  hje  ubji  )”}”(hŒ$1 - Use virtually contiguous buffers”h]”hû)”}”(hjƒ  h]”hŒ$1 - Use virtually contiguous buffers”…””}”(hj…  hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1húhŸh³h K"hj  ubah}”(h]”h ]”h"]”h$]”h&]”uh1jh  hje  ubji  )”}”(hŒ‚2 - Mixed use of the two types. Try physically contiguous buffers first.
If not available, use virtually contiguous buffers then.
”h]”hû)”}”(hŒ2 - Mixed use of the two types. Try physically contiguous buffers first.
If not available, use virtually contiguous buffers then.”h]”hŒ2 - Mixed use of the two types. Try physically contiguous buffers first.
If not available, use virtually contiguous buffers then.”…””}”(hjœ  hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1húhŸh³h K#hj˜  ubah}”(h]”h ]”h"]”h$]”h&]”uh1jh  hje  ubeh}”(h]”h ]”h"]”h$]”h&]”Œbullet”Œ-”uh1jc  hŸh³h K!hj6  ubeh}”(h]”h ]”h"]”h$]”h&]”uh1hõhj$  ubeh}”(h]”h ]”h"]”h$]”h&]”uh1hßhŸh³h K$hhÜhžhubhà)”}”(hŒÕsmcr_testlink_time - INTEGER
How frequently SMC-R link sends out TEST_LINK LLC messages to confirm
viability, after the last activity of connections on it. Value 0 means
disabling TEST_LINK.

Default: 30 seconds.
”h]”(hæ)”}”(hŒsmcr_testlink_time - INTEGER”h]”hŒsmcr_testlink_time - INTEGER”…””}”(hjÈ  hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1håhŸh³h K+hjÄ  ubhö)”}”(hhh]”(hû)”}”(hŒ¡How frequently SMC-R link sends out TEST_LINK LLC messages to confirm
viability, after the last activity of connections on it. Value 0 means
disabling TEST_LINK.”h]”hŒ¡How frequently SMC-R link sends out TEST_LINK LLC messages to confirm
viability, after the last activity of connections on it. Value 0 means
disabling TEST_LINK.”…””}”(hjÙ  hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1húhŸh³h K'hjÖ  ubhû)”}”(hŒDefault: 30 seconds.”h]”hŒDefault: 30 seconds.”…””}”(hjç  hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1húhŸh³h K+hjÖ  ubeh}”(h]”h ]”h"]”h$]”h&]”uh1hõhjÄ  ubeh}”(h]”h ]”h"]”h$]”h&]”uh1hßhŸh³h K+hhÜhžhubhà)”}”(hŒÌwmem - INTEGER
Initial size of send buffer used by SMC sockets.

The minimum value is 16KiB and there is no hard limit for max value, but
only allowed 512KiB for SMC-R and 1MiB for SMC-D.

Default: 64KiB
”h]”(hæ)”}”(hŒwmem - INTEGER”h]”hŒwmem - INTEGER”…””}”(hj  hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1håhŸh³h K3hj  ubhö)”}”(hhh]”(hû)”}”(hŒ0Initial size of send buffer used by SMC sockets.”h]”hŒ0Initial size of send buffer used by SMC sockets.”…””}”(hj  hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1húhŸh³h K.hj  ubhû)”}”(hŒzThe minimum value is 16KiB and there is no hard limit for max value, but
only allowed 512KiB for SMC-R and 1MiB for SMC-D.”h]”hŒzThe minimum value is 16KiB and there is no hard limit for max value, but
only allowed 512KiB for SMC-R and 1MiB for SMC-D.”…””}”(hj$  hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1húhŸh³h K0hj  ubhû)”}”(hŒDefault: 64KiB”h]”hŒDefault: 64KiB”…””}”(hj2  hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1húhŸh³h K3hj  ubeh}”(h]”h ]”h"]”h$]”h&]”uh1hõhj  ubeh}”(h]”h ]”h"]”h$]”h&]”uh1hßhŸh³h K3hhÜhžhubhà)”}”(hŒÕrmem - INTEGER
Initial size of receive buffer (RMB) used by SMC sockets.

The minimum value is 16KiB and there is no hard limit for max value, but
only allowed 512KiB for SMC-R and 1MiB for SMC-D.

Default: 64KiB
”h]”(hæ)”}”(hŒrmem - INTEGER”h]”hŒrmem - INTEGER”…””}”(hjP  hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1håhŸh³h K;hjL  ubhö)”}”(hhh]”(hû)”}”(hŒ9Initial size of receive buffer (RMB) used by SMC sockets.”h]”hŒ9Initial size of receive buffer (RMB) used by SMC sockets.”…””}”(hja  hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1húhŸh³h K6hj^  ubhû)”}”(hŒzThe minimum value is 16KiB and there is no hard limit for max value, but
only allowed 512KiB for SMC-R and 1MiB for SMC-D.”h]”hŒzThe minimum value is 16KiB and there is no hard limit for max value, but
only allowed 512KiB for SMC-R and 1MiB for SMC-D.”…””}”(hjo  hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1húhŸh³h K8hj^  ubhû)”}”(hŒDefault: 64KiB”h]”hŒDefault: 64KiB”…””}”(hj}  hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1húhŸh³h K;hj^  ubeh}”(h]”h ]”h"]”h$]”h&]”uh1hõhjL  ubeh}”(h]”h ]”h"]”h$]”h&]”uh1hßhŸh³h K;hhÜhžhubhà)”}”(hX<  smcr_max_links_per_lgr - INTEGER
Controls the max number of links can be added to a SMC-R link group. Notice that
the actual number of the links added to a SMC-R link group depends on the number
of RDMA devices exist in the system. The acceptable value ranges from 1 to 2. Only
for SMC-R v2.1 and later.

Default: 2
”h]”(hæ)”}”(hŒ smcr_max_links_per_lgr - INTEGER”h]”hŒ smcr_max_links_per_lgr - INTEGER”…””}”(hj›  hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1håhŸh³h KChj—  ubhö)”}”(hhh]”(hû)”}”(hX  Controls the max number of links can be added to a SMC-R link group. Notice that
the actual number of the links added to a SMC-R link group depends on the number
of RDMA devices exist in the system. The acceptable value ranges from 1 to 2. Only
for SMC-R v2.1 and later.”h]”hX  Controls the max number of links can be added to a SMC-R link group. Notice that
the actual number of the links added to a SMC-R link group depends on the number
of RDMA devices exist in the system. The acceptable value ranges from 1 to 2. Only
for SMC-R v2.1 and later.”…””}”(hj¬  hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1húhŸh³h K>hj©  ubhû)”}”(hŒ
Default: 2”h]”hŒ
Default: 2”…””}”(hjº  hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1húhŸh³h KChj©  ubeh}”(h]”h ]”h"]”h$]”h&]”uh1hõhj—  ubeh}”(h]”h ]”h"]”h$]”h&]”uh1hßhŸh³h KChhÜhžhubhà)”}”(hŒÄsmcr_max_conns_per_lgr - INTEGER
Controls the max number of connections can be added to a SMC-R link group. The
acceptable value ranges from 16 to 255. Only for SMC-R v2.1 and later.

Default: 255”h]”(hæ)”}”(hŒ smcr_max_conns_per_lgr - INTEGER”h]”hŒ smcr_max_conns_per_lgr - INTEGER”…””}”(hjØ  hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1håhŸh³h KHhjÔ  ubhö)”}”(hhh]”(hû)”}”(hŒ•Controls the max number of connections can be added to a SMC-R link group. The
acceptable value ranges from 16 to 255. Only for SMC-R v2.1 and later.”h]”hŒ•Controls the max number of connections can be added to a SMC-R link group. The
acceptable value ranges from 16 to 255. Only for SMC-R v2.1 and later.”…””}”(hjé  hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1húhŸh³h KFhjæ  ubhû)”}”(hŒDefault: 255”h]”hŒDefault: 255”…””}”(hj÷  hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1húhŸh³h KIhjæ  ubeh}”(h]”h ]”h"]”h$]”h&]”uh1hõhjÔ  ubeh}”(h]”h ]”h"]”h$]”h&]”uh1hßhŸh³h KHhhÜhžhubeh}”(h]”h ]”h"]”h$]”h&]”uh1hÚhhÉhžhhŸh³h Nubeh}”(h]”Œproc-sys-net-smc-variables”ah ]”h"]”Œ/proc/sys/net/smc/* variables”ah$]”h&]”uh1h´hh¶hžhhŸh³h Kubeh}”(h]”Œ
smc-sysctl”ah ]”h"]”Œ
smc sysctl”ah$]”h&]”uh1h´hhhžhhŸh³h Kubeh}”(h]”h ]”h"]”h$]”h&]”Œsource”h³uh1hŒcurrent_source”NŒcurrent_line”NŒsettings”Œdocutils.frontend”ŒValues”“”)”}”(h¹NŒ	generator”NŒ	datestamp”NŒsource_link”NŒ
source_url”NŒtoc_backlinks”Œentry”Œfootnote_backlinks”KŒsectnum_xform”KŒstrip_comments”NŒstrip_elements_with_classes”NŒstrip_classes”NŒreport_level”KŒ
halt_level”KŒexit_status_level”KŒdebug”NŒwarning_stream”NŒ	traceback”ˆŒinput_encoding”Œ	utf-8-sig”Œinput_encoding_error_handler”Œstrict”Œoutput_encoding”Œutf-8”Œoutput_encoding_error_handler”jJ  Œerror_encoding”Œutf-8”Œerror_encoding_error_handler”Œbackslashreplace”Œlanguage_code”Œen”Œrecord_dependencies”NŒconfig”NŒ	id_prefix”hŒauto_id_prefix”Œid”Œdump_settings”NŒdump_internals”NŒdump_transforms”NŒdump_pseudo_xml”NŒexpose_internals”NŒstrict_visitor”NŒ_disable_config”NŒ_source”h³Œ_destination”NŒ_config_files”]”Œ7/var/lib/git/docbuild/linux/Documentation/docutils.conf”aŒfile_insertion_enabled”ˆŒraw_enabled”KŒline_length_limit”M'Œpep_references”NŒpep_base_url”Œhttps://peps.python.org/”Œpep_file_url_template”Œpep-%04d”Œrfc_references”NŒrfc_base_url”Œ&https://datatracker.ietf.org/doc/html/”Œ	tab_width”KŒtrim_footnote_reference_space”‰Œsyntax_highlight”Œlong”Œsmart_quotes”ˆŒsmartquotes_locales”]”Œcharacter_level_inline_markup”‰Œdoctitle_xform”‰Œdocinfo_xform”KŒsectsubtitle_xform”‰Œimage_loading”Œlink”Œembed_stylesheet”‰Œcloak_email_addresses”ˆŒsection_self_link”‰Œenv”NubŒreporter”NŒindirect_targets”]”Œsubstitution_defs”}”Œsubstitution_names”}”Œrefnames”}”Œrefids”}”Œnameids”}”(j$  j!  j  j  uŒ	nametypes”}”(j$  ‰j  ‰uh}”(j!  h¶j  hÉuŒfootnote_refs”}”Œcitation_refs”}”Œautofootnotes”]”Œautofootnote_refs”]”Œsymbol_footnotes”]”Œsymbol_footnote_refs”]”Œ	footnotes”]”Œ	citations”]”Œautofootnote_start”KŒsymbol_footnote_start”K Œ
id_counter”Œcollections”ŒCounter”“”}”…”R”Œparse_messages”]”Œtransform_messages”]”Œtransformer”NŒinclude_log”]”Œ
decoration”Nhžhub.