On Sun, Apr 19, 2020 at 10:24:31PM +0200, Stefan Sperling wrote: > We really should be documenting supported wifi chipsets to help users > find devices that will work with OpenBSD. > The bwfm(4) man page leaves such questions entirely open at present. > > The diff below intends to fill that gap by adding table which lists > supported devices. The table includes chipset name, supported bands, > MIMO config, and bus attachments. > > I have cross-checked data in my table with internet searches. Sometimes > I found official product sheets, but some info is based on tech press > articles, copies of wikidevi pages, or gleaned from kernel messages > posted on forums. It should be mostly accurate and much better than > no info at all. > > Note that some chips support bus attachments which bwfm does not > recognize. I have documented the bus attachments which the driver > actually supports, which is a subset of what the chipsets support. > This list will need to be kept in sync anyway whenever device support > in the driver is improved. > > While here, also document the hex product IDs in bwfm's sdmmc attachment > driver in source code comments. These hex numbers actually correspond > to decimal chipset numbers but that is not immediately obvious so I think > adding comments is warranted (of course it would be better to use macros, > but I'm not going to go that far in a documentation patch). > > ok? >
ok. jmc > diff 5c72fbec79072d838dd652f6d7785e8d2b15dab2 /usr/src > blob - f1df893ec80181f14a37bbc8703739bbca13e316 > file + share/man/man4/bwfm.4 > --- share/man/man4/bwfm.4 > +++ share/man/man4/bwfm.4 > @@ -30,6 +30,36 @@ The > driver provides support for Broadcom and Cypress FullMAC network > adapters. > .Pp > +The following table summarizes supported chipsets and their capabilites, > +as well as the bus attachments recognized by the > +.Nm > +driver: > +.Bl -column "Chipset" "Spectrum" "MIMO" "Bus" -offset 6n > +.It Em Chipset Ta Em Spectrum Ta Em MIMO Ta Em Bus > +.It BCM43143 Ta 2GHz Ta 1x1 Ta SDMMC/USB > +.It BCM43236 Ta 2GHz/5GHz Ta 2x2 Ta USB > +.It BCM4324 Ta 2GHz/5GHz Ta 2x2 Ta SDMMC > +.It BCM43242 Ta 2GHz/5GHz Ta 2x2 Ta USB > +.It BCM4329 Ta 2GHz/5GHz Ta 2x2 Ta SDMMC > +.It BCM4330 Ta 2GHz/5GHz Ta 2x2 Ta SDMMC > +.It BCM4334 Ta 2GHz/5GHz Ta 2x2 Ta SDMMC > +.It BCM43340 Ta 2GHz/5GHz Ta 1x1 Ta SDMMC > +.It BCM43341 Ta 2GHz/5GHz Ta 1x1 Ta SDMMC > +.It BCM4335 Ta 2GHz/5GHz Ta 1x1 Ta SDMMC > +.It BCM43362 Ta 2GHz Ta 1x1 Ta SDMMC > +.It BCM43364 Ta 2GHz Ta 1x1 Ta SDMMC > +.It BCM4339 Ta 2GHz/5GHz Ta 1x1 Ta SDMMC > +.It BCM43430 Ta 2GHz Ta 1x1 Ta SDMMC > +.It BCM43455 Ta 2GHz/5GHz Ta 1x1 Ta SDMMC > +.It BCM43456 Ta 2GHz/5GHz Ta 2x2 Ta SDMMC > +.It BCM4350 Ta 2GHz/5GHz Ta 2x2 Ta PCI > +.It BCM4354 Ta 2GHz/5GHz Ta 2x2 Ta SDMMC > +.It BCM4356 Ta 2GHz/5GHz Ta 2x2 Ta PCI/SDMMC > +.It BCM43569 Ta 2GHz/5GHz Ta 2x2 Ta USB > +.It BCM43602 Ta 2GHz/5GHz Ta 3x3 Ta PCI > +.It BCM4371 Ta 2GHz/5GHz Ta 2x2 Ta PCI > +.El > +.Pp > These are the modes the > .Nm > driver can operate in: > blob - b053ab936ef10b21834ed74640124d8abe761af2 > file + sys/dev/sdmmc/if_bwfm_sdio.c > --- sys/dev/sdmmc/if_bwfm_sdio.c > +++ sys/dev/sdmmc/if_bwfm_sdio.c > @@ -222,12 +222,12 @@ bwfm_sdio_match(struct device *parent, void *match, vo > case 0x4345: > case 0x4354: > case 0x4356: > - case 0xa887: > - case 0xa94c: > - case 0xa94d: > - case 0xa962: > - case 0xa9a6: > - case 0xa9bf: > + case 0xa887: /* BCM43143 */ > + case 0xa94c: /* BCM43340 */ > + case 0xa94d: /* BCM43341 */ > + case 0xa962: /* BCM43362 */ > + case 0xa9a6: /* BCM43430 */ > + case 0xa9bf: /* BCM43364 */ > break; > default: > return 0; >
