From a0efeb1c39cfe4230bd2f23160e628fd1aa5c465 Mon Sep 17 00:00:00 2001 From: Martin Pokorny Date: Tue, 29 Oct 2024 11:31:31 -0600 Subject: [PATCH] Update man page for UDP provider Change "limitations" section to describe that the maximum transfer size depends on interface MTU, and add FI_UDP_IFACE parameter description. Signed-off-by: Martin Pokorny --- man/fi_udp.7.md | 12 ++++++++---- 1 file changed, 8 insertions(+), 4 deletions(-) diff --git a/man/fi_udp.7.md b/man/fi_udp.7.md index cbe0a371012..ac241418036 100644 --- a/man/fi_udp.7.md +++ b/man/fi_udp.7.md @@ -41,9 +41,10 @@ receiving datagram messages over an unreliable endpoint. # LIMITATIONS -The UDP provider has hard-coded maximums for supported queue sizes and data -transfers. These values are reflected in the related fabric attribute -structures +The UDP provider has a hard-coded maximum for supported queue sizes, +which is reflected in the related fabric attribute structures. Maximum +size of data transfers is limited by the MTU size of an interface, and +is also reflected in the related fabric attribute structures. EPs must be bound to both RX and TX CQs. @@ -53,7 +54,10 @@ No support for counters. # RUNTIME PARAMETERS -No runtime parameters are currently defined. +The UDP provider checks for the following environment variables - + +*FI_UDP_IFACE* +: An string value that specifies the name of the interface. # SEE ALSO