Howto get network card vendor, device or kernel module from the /proc and/or /sys filesystem

Work in progress - place to keep notes to myself - may help someone else - cheat sheet kinda page ;)

1. How to get NIC/network card vendor information (scripted example)

for i in `ls -d /sys/class/net/eth*`
do
  ETH="`basename $i`"
  echo -n "$ETH "
  NICID="`cat /sys/class/net/$ETH/device/vendor|cut -c3-`"
  grep "^$NICID" /usr/share/hwdata/pci.ids
done

2. How to get the NIC/network card MAC address (simple example)

cat /sys/class/net/eth0/address

3. How to get the NIC/network kernel module and PCI device info (DETAILS). This can also derive the vendor and device info like above (simple example)

VENDOR="`cat /sys/class/net/eth0/device/modalias |cut -c6-13`"
DEVICE="`cat /sys/class/net/eth0/device/modalias |cut -c15-22`"
grep -i $VENDOR /lib/modules/`uname -r`/modules.alias | grep -i $DEVICE

OR generally

grep `cat /sys/class/net/eth0/device/modalias |cut -c-22` /lib/modules/`uname -r`/modules.alias

External important links for PCI or kernel module information for Linux:
http://www.pcidatabase.com/

4. How to find the WWN for a SAS end device (the arrary for example) card on RHEL 6, CentOS 6 or similar (simple example)

cat /sys/class/sas_device/*/sas_address

5. How to find the WWN for a SAS card on RHEL 6, CentOS 6 or similar (simple example)

cat /sys/class/sas_phy/*/sas_address