X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=Documentation%2Finfiniband%2Fipoib.txt;h=864ff32837803da00c5c0d8cfde27e754216ef95;hb=b4416d2bea007f07f2e74cdc4cb64042ec996c83;hp=18e184b56040316dda6d622c6a061d8b864d0c37;hpb=1da177e4c3f41524e886b7f1b8a0c1fc7321cac2;p=linux-2.6-omap-h63xx.git diff --git a/Documentation/infiniband/ipoib.txt b/Documentation/infiniband/ipoib.txt index 18e184b5604..864ff328378 100644 --- a/Documentation/infiniband/ipoib.txt +++ b/Documentation/infiniband/ipoib.txt @@ -1,10 +1,10 @@ IP OVER INFINIBAND The ib_ipoib driver is an implementation of the IP over InfiniBand - protocol as specified by the latest Internet-Drafts issued by the - IETF ipoib working group. It is a "native" implementation in the - sense of setting the interface type to ARPHRD_INFINIBAND and the - hardware address length to 20 (earlier proprietary implementations + protocol as specified by RFC 4391 and 4392, issued by the IETF ipoib + working group. It is a "native" implementation in the sense of + setting the interface type to ARPHRD_INFINIBAND and the hardware + address length to 20 (earlier proprietary implementations masqueraded to the kernel as ethernet interfaces). Partitions and P_Keys @@ -32,14 +32,13 @@ Debugging Information mcast_debug_level to 1. These parameters can be controlled at runtime through files in /sys/module/ib_ipoib/. - CONFIG_INFINIBAND_IPOIB_DEBUG also enables the "ipoib_debugfs" + CONFIG_INFINIBAND_IPOIB_DEBUG also enables files in the debugfs virtual filesystem. By mounting this filesystem, for example with - mkdir -p /ipoib_debugfs - mount -t ipoib_debugfs none /ipoib_debufs + mount -t debugfs none /sys/kernel/debug it is possible to get statistics about multicast groups from the - files /ipoib_debugfs/ib0_mcg and so on. + files /sys/kernel/debug/ipoib/ib0_mcg and so on. The performance impact of this option is negligible, so it is safe to enable this option with debug_level set to 0 for normal @@ -52,5 +51,7 @@ Debugging Information References - IETF IP over InfiniBand (ipoib) Working Group - http://ietf.org/html.charters/ipoib-charter.html + Transmission of IP over InfiniBand (IPoIB) (RFC 4391) + http://ietf.org/rfc/rfc4391.txt + IP over InfiniBand (IPoIB) Architecture (RFC 4392) + http://ietf.org/rfc/rfc4392.txt