Print Broadcom Wi-Fi firmware ratespec from bandwidth, MCS index, and number of spatial streams or legacy rate.
Usage: brcmrate [-h] [-b bandwidth] [-m mcs] [-n nss] [-l legacy Mbps]
bandwidth: 20(default), 40, or 80 (MHz)
mcs: MCS index, see ieee 802.11 standard (HT and VHT only)
nss: number of spatial streams (default 1, HT and VHT only)
legacy rates: 6(default), 9, 12, 18, 24, 36, 48, or 54 (Mbps)
$ ./brcmrate -b 80 -m 3 -n 4 -l 36
brcm ratespec
vht: 0xc2030043
ht: 0xc1030023
legacy: 0xc0030048