Summary of Wireless Workshop netdev2.2

Transcription

1 Summary of Wireless Workshop netdev2.2 Johannes Berg November 2017 Linux Wireless

2 Drivers discussion Realtek Marvell 2 / 19 Linux Wireless

3 Regulatory (Issues) enforcement of radio parameters in firmware (ETSI) limited EDCA parameters 3 / 19 Linux Wireless

4 Regulatory (Issues) enforcement of radio parameters in firmware (ETSI) limited EDCA parameters 3 / 19 Linux Wireless

5 Regulatory (Issues) enforcement of radio parameters in firmware (ETSI) limited EDCA parameters 3 / 19 Linux Wireless

6 Regulatory (Issues) new regulatory database loaded into kernel ( 3.5KiB) extensible format 4 / 19 Linux Wireless

7 to/from offload pending patches monitor mode / radiotap blocking wifimon ebpf filter 5 / 19 Linux Wireless

8 to/from offload pending patches monitor mode / radiotap blocking wifimon ebpf filter 5 / 19 Linux Wireless

9 to/from offload pending patches monitor mode / radiotap blocking wifimon ebpf filter 5 / 19 Linux Wireless

10 wifimon ebpf filter sometimes people want to introspect wifi frames socket filters exist BUT: skb_copy() before sending packets to monitor interface is expensive solution: add ebpf filter before skb_copy() 6 / 19 Linux Wireless

11 wifimon ebpf filter sometimes people want to introspect wifi frames socket filters exist BUT: skb_copy() before sending packets to monitor interface is expensive solution: add ebpf filter before skb_copy() 6 / 19 Linux Wireless

12 wifimon ebpf filter sometimes people want to introspect wifi frames socket filters exist BUT: skb_copy() before sending packets to monitor interface is expensive solution: add ebpf filter before skb_copy() 6 / 19 Linux Wireless

13 wifimon ebpf filter sometimes people want to introspect wifi frames socket filters exist BUT: skb_copy() before sending packets to monitor interface is expensive solution: add ebpf filter before skb_copy() 6 / 19 Linux Wireless

14 mac80211 s internal TXQs Toke will explain in his 1pm 7 / 19 Linux Wireless

15 HE (801.11ax) next upcoming PHY standard takes tricks from LTE many things to do: radiotap new management elements/frames requires Multi-BSSID support 8 / 19 Linux Wireless

16 HE (801.11ax) next upcoming PHY standard takes tricks from LTE many things to do: radiotap new management elements/frames requires Multi-BSSID support 8 / 19 Linux Wireless

17 HE (801.11ax) next upcoming PHY standard takes tricks from LTE many things to do: radiotap new management elements/frames requires Multi-BSSID support 8 / 19 Linux Wireless

18 Multi-BSSID support today: each BSSID sending beacons Multi-BSSID changes that but requires client updates needed in Linux 9 / 19 Linux Wireless

19 Multi-BSSID support today: each BSSID sending beacons Multi-BSSID changes that but requires client updates needed in Linux 9 / 19 Linux Wireless

20 Multi-BSSID support today: each BSSID sending beacons Multi-BSSID changes that but requires client updates needed in Linux 9 / 19 Linux Wireless

21 SAE with NL80211_CMD_CONNECT Simultaneous Authentiation of Equals elliptic curve crypto in auth handshake which is offloaded with CONNECT cmd multiple potential solutions 10 / 19 Linux Wireless

22 SAE with NL80211_CMD_CONNECT Simultaneous Authentiation of Equals elliptic curve crypto in auth handshake which is offloaded with CONNECT cmd multiple potential solutions 10 / 19 Linux Wireless

23 SAE with NL80211_CMD_CONNECT Simultaneous Authentiation of Equals elliptic curve crypto in auth handshake which is offloaded with CONNECT cmd multiple potential solutions 10 / 19 Linux Wireless

24 SAE with NL80211_CMD_CONNECT Simultaneous Authentiation of Equals elliptic curve crypto in auth handshake which is offloaded with CONNECT cmd multiple potential solutions 10 / 19 Linux Wireless

25 NAN (datapath) What is NAN? device-to-device discovery energy-efficient intended to work well in crowded environments extensions under work for data transfer 11 / 19 Linux Wireless

26 NAN (datapath) Intel working on protocol implementation in wpa_supplicant scheduling support etc. needed in device will likely add some level of hwsim support for testing 12 / 19 Linux Wireless

27 misc topics EAPOL over nl80211 (instead of datapath) 13 / 19 Linux Wireless

28 misc topics netlink extended ACK 14 / 19 Linux Wireless

29 misc topics simplify hostapd "fully-featured" configuration 15 / 19 Linux Wireless

30 misc topics mesh 16 / 19 Linux Wireless

31 misc topics FTM 17 / 19 Linux Wireless

32 misc topics VHT extended NSS support 18 / 19 Linux Wireless

33 Questions/Comments? 19 / 19 Linux Wireless