my current environment is as below:
ubuntu16.04
MLNX_OFED_LINUX_5.1-2.3.7.1-ubuntu16.04-x86_64
#ibstatus
Infiniband device ‘mlx5_0’ port 1 status:
default gid: fe80:0000:0000:0000:9a03:9bff:fe83:6562
base lid: 0x0
sm lid: 0x0
state: 1: DOWN
phys state: 3: Disabled
rate: 40 Gb/sec (4X QDR)
link_layer: Ethernet
Infiniband device ‘mlx5_1’ port 1 status:
default gid: fe80:0000:0000:0000:9a03:9bff:fe83:6563
base lid: 0x0
sm lid: 0x0
state: 4: ACTIVE
phys state: 5: LinkUp
rate: 100 Gb/sec (4X EDR)
link_layer: Ethernet
but when i complie some code, there is some errors as below:
pingpong.h:37:34: fatal error: infiniband/verbs_exp.h: No such file or directory
#include <infiniband/verbs_exp.h>
^
compilation terminated.
In file included from pingpong.c:33:0:
pingpong.h:37:34: fatal error: infiniband/verbs_exp.h: No such file or directory
#include <infiniband/verbs_exp.h>
i find there is only no verbs_exp.h in /usr/include/infiniband, how can i resolve it ?
Hello Liu,
Thank you for posting your inquiry to the Mellanox Community.
The ‘_exp’ suffix denotes an experimental library.
Starting with MLNX_OFED v5.1, we removed support for experimental libraries - these are now supported in the 4.9LTS release chain.
In order to successfully compile your code, either:
-
Modify the code to work with the upstream libraries (/usr/include/infiniband/verbs.h)
-
Install MLNX_OFED v4.9LTS in order to continue utilizing experimental libs.
Best regards,
Mellanox Technical Support
i also find when i use MLNX_OFED_LINUX_4.6-1.0.1.1-ubuntu16.04-x86_64, i can find verbs_exp.h，so where is verbs_exp.h in MLNX_OFED_LINUX_5.1?
Hi Sam,
I am trying to use the CORE-direct and send-with-calc feature using experimental libraries with connectX-4 card. Do we have a concrete document about how to use them? And is vector send-with-calc support now? How are we supposed to use them? My email is leepengqiu@gmail.com.
You can send to my email if you want. Looking forward to your reply!
Best,
Pengqiu Li