···11111212config INFINIBAND_IPOIB_CM1313 bool "IP-over-InfiniBand Connected Mode support"1414- depends on INFINIBAND_IPOIB && EXPERIMENTAL1414+ depends on INFINIBAND_IPOIB1515 default n1616 ---help---1717- This option enables experimental support for IPoIB connected mode.1818- After enabling this option, you need to switch to connected mode through1919- /sys/class/net/ibXXX/mode to actually create connections, and then increase2020- the interface MTU with e.g. ifconfig ib0 mtu 65520.1717+ This option enables support for IPoIB connected mode. After1818+ enabling this option, you need to switch to connected mode1919+ through /sys/class/net/ibXXX/mode to actually create2020+ connections, and then increase the interface MTU with2121+ e.g. ifconfig ib0 mtu 65520.21222222- WARNING: Enabling connected mode will trigger some2323- packet drops for multicast and UD mode traffic from this interface,2323+ WARNING: Enabling connected mode will trigger some packet2424+ drops for multicast and UD mode traffic from this interface,2425 unless you limit mtu for these destinations to 2044.25262627config INFINIBAND_IPOIB_DEBUG