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Diffstat (limited to 'Documentation/networking/smc-sysctl.rst')
| -rw-r--r-- | Documentation/networking/smc-sysctl.rst | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/Documentation/networking/smc-sysctl.rst b/Documentation/networking/smc-sysctl.rst index 742e90e6d822..6d8acdbe9be1 100644 --- a/Documentation/networking/smc-sysctl.rst +++ b/Documentation/networking/smc-sysctl.rst @@ -34,3 +34,28 @@ smcr_buf_type - INTEGER - 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. + +smcr_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. + +wmem - INTEGER + Initial size of send buffer used by SMC sockets. + The default value inherits from net.ipv4.tcp_wmem[1]. + + 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: 16K + +rmem - INTEGER + Initial size of receive buffer (RMB) used by SMC sockets. + The default value inherits from net.ipv4.tcp_rmem[1]. + + 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: 128K |