> -----Original Message----- > From: Kalle Valo [mailto:kvalo@xxxxxxxxxxxxxx] > Sent: Monday, January 28, 2019 4:37 PM > To: Tony Chuang > Cc: johannes@xxxxxxxxxxxxxxxx; Larry.Finger@xxxxxxxxxxxx; Pkshih; Andy Huang; > briannorris@xxxxxxxxxxxx; sgruszka@xxxxxxxxxx; > linux-wireless@xxxxxxxxxxxxxxx > Subject: Re: [PATCH v3 00/13] rtw88: mac80211 driver for Realtek 802.11ac > wireless network chips > > <yhchuang@xxxxxxxxxxx> writes: > > > From: Yan-Hsuan Chuang <yhchuang@xxxxxxxxxxx> > > > > This is a new mac80211 driver for Realtek 802.11ac wireless network chips. > > rtw88 supports 8822BE and 8822CE chips, and will be able to support > > multi-vif combinations in run-time. > > > > For now, only PCI bus is supported, but rtw88 was originally designed > > to optionally support three buses includes USB & SDIO. USB & SDIO modules > > will soon be supported by rtw88, with configurable core module to fit > > with different bus modules in the same time. > > > > For example, if we choose 8822BE and 8822CU, only PCI & USB modules will > > be selected, built, loaded into kernel. This is one of the major > > difference from rtlwifi, which can only support specific combinations. > > > > Another difference from rtlwifi is that rtw88 is designed to support > > the latest Realtek 802.11ac wireless network chips like 8822B and > > 8822C series. Compared to the earlier chips supported by rtlwifi like > > the 802.11n 8192EE chipset or 802.11ac 8821AE/8812AE chips, newer ICs > > have different MAC & PHY settings, such as new multi-port feature for the > > MAC layer design and Jaguar2/Jaguar3 PHY layer IPs. > > > > Multi-Port feature is also supported under rtw88's software architecture. > > rtlwifi can only support one vif in the same time, most because of the > > hardware limitations for early chips, hence the original design of it > > also restricts the usage of multi-vif support, so latest chipset seems not > > take advantages from its new MAC engine. > > > > However, rtw88 can run multiple vifs concurrently by holding them on > > hardware ports provided by MAC engine, hence can easily start different > > roles on a single device. > > > > Based on the reasons mentioned before, we implemented rtw88. It had many > > authors, they are listed here alphabetically: > > > > Ping-Ke Shih <pkshih@xxxxxxxxxxx> > > Tzu-En Huang <tehuang@xxxxxxxxxxx> > > Yan-Hsuan Chuang <yhchuang@xxxxxxxxxxx> > > > > > > v2 > > > > - add comment for watch dog > > > > > > v3 > > > > - change tree location to wireless-next > > What does this mean? wireless-next has not been used for years, do you > mean wireless-drivers-next instead? > > -- > Kalle Valo Sorry for the typo here. Yes, I mean " wireless-drivers-next ". In MAINTAINERS file, I do change to "wireless-drivers-next" instead of "wireless-next". Yan-Hsuan
