This article is taken and modified from Installing the VMware ESX/ESXi 4.x driver CD on an ESX 4.x host (VMware Knowledge Base)
Step 1: Download the Chelsio Drivers for ESX
Download from relevant drivers for your sepcific cards from Chelsio Download Centre
Step 2: Follow the instruction from VMware
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Download the driver CD from the vSphere Download Center.
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Extract the ISO on your local workstation using an third-party ISO reader (such as WinISO). Alternatively, you can mount the ISO via SSH with the command:
mkdir /mnt/iso mount -o loop filename.iso /mnt/iso
Note: Microsoft operating systems after Windows Vista include a built-in ISO reader.
- Use the Data Browser in the vSphere Client to upload the ZIP file that was extracted from the ISO to your ESX host.
Alternatively, you can use a program like WinSCP to upload the file directly to your ESX host. However, you require root privileges to the host to perform the upload.
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Log in to the ESX host as root directly from the Service Console or through an SSH client such as Putty.
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Place the ESX host in Maintenance Mode from the vSphere Client.
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Run this command from the Service Console or your SSH Client to install the bundled package:
esxupdate –bundle=<name of bundled zip> update
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When the package has been installed, reboot the ESX host by typing reboot from the Service Console.
Note: VMware does not endorse or recommend any particular third party utility, nor are the above suggestions meant to be exhaustive.