Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) # SPDX-License-Identifier: GPL-2.0-only
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2) config INFINIBAND_IPOIB
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3) 	tristate "IP-over-InfiniBand"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4) 	depends on NETDEVICES && INET && (IPV6 || IPV6=n)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5) 	help
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6) 	  Support for the IP-over-InfiniBand protocol (IPoIB). This
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7) 	  transports IP packets over InfiniBand so you can use your IB
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8) 	  device as a fancy NIC.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) 	  See Documentation/infiniband/ipoib.rst for more information
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) config INFINIBAND_IPOIB_CM
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) 	bool "IP-over-InfiniBand Connected Mode support"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) 	depends on INFINIBAND_IPOIB
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) 	default n
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) 	help
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) 	  This option enables support for IPoIB connected mode.  After
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) 	  enabling this option, you need to switch to connected mode
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) 	  through /sys/class/net/ibXXX/mode to actually create
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) 	  connections, and then increase the interface MTU with
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) 	  e.g. ifconfig ib0 mtu 65520.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) 	  WARNING: Enabling connected mode will trigger some packet
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) 	  drops for multicast and UD mode traffic from this interface,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) 	  unless you limit mtu for these destinations to 2044.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) config INFINIBAND_IPOIB_DEBUG
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) 	bool "IP-over-InfiniBand debugging" if EXPERT
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) 	depends on INFINIBAND_IPOIB
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) 	default y
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) 	help
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) 	  This option causes debugging code to be compiled into the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) 	  IPoIB driver.  The output can be turned on via the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) 	  debug_level and mcast_debug_level module parameters (which
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) 	  can also be set after the driver is loaded through sysfs).
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) 	  This option also creates a directory tree under ipoib/ in
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) 	  debugfs, which contains files that expose debugging
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) 	  information about IB multicast groups used by the IPoIB
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) 	  driver.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) config INFINIBAND_IPOIB_DEBUG_DATA
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) 	bool "IP-over-InfiniBand data path debugging"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) 	depends on INFINIBAND_IPOIB_DEBUG
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) 	help
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) 	  This option compiles debugging code into the data path
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) 	  of the IPoIB driver.  The output can be turned on via the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) 	  data_debug_level module parameter; however, even with output
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) 	  turned off, this debugging code will have some performance
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) 	  impact.