On Wed, 2016-10-12 at 23:08 +0200, Arend Van Spriel wrote: > Op 12 okt. 2016 21:30 schreef "Jörg Krause" <joerg.krause@xxxxxxxxxxx > cks>: > > > > On Mi, 2016-10-12 at 21:08 +0200, Arend van Spriel wrote: > > > > [snip] > > > > > On 12-10-16 16:27, Jörg Krause wrote: > > > > > > > > It is running the iperf server. It is running in station mode > > > > as > > > > well > > > > as in AP mode, depending on the use case. The wireshark dump > > > > was > > > > taken > > > > when the bcm43362 is operating in AP mode. > > > > > > > > > > > > > > What specs does the ARM on your custom board have? > > > > > > > > Which specs do you mean? > > > > > > > > > > > > > > The trace shows that it does not do > > > > > aggregation. What it does not show is whether A-MPDU was > > > > > setup, > > > > > ie. > > > > > ADDBA message exchange. So could you create a similar capture > > > > > including > > > > > connection setup, ie. AUTH/ASSOC, etc. > > > > > > > > Yes, I can do that. Note, that I am using wpa_supplicant 2.5 > > > > for AP > > > > mode operation (not hostapd). > > > > > > ok. unchartered territory for me. In the beacon frame I see > > > > > > .... ..01 = Maximum Rx A-MPDU Length: 0x1 (16383[Bytes]) > > > ...1 10.. = MPDU Density: 8 [usec] (0x6) > > > > > > In the trace it is only ~1500 bytes so no A-MPDU. > > > > The issue is not only valid for operating the BCM43362 in AP mode, > > but > > also in station mode. The TCP throughput is the same for both > > modes. > > > > > What device is in the notebook? > > > > It is a Broadcom 43225. However, the low TCP throughput is not > > specific > > to this device but with all kind of devices including Smartphones, > > Notebooks, PCs running the iperf client. > > > > > Can you use 'iw list' there to obtain info. > > > > $ iw list > > Wiphy phy0 > > max # scan SSIDs: 4 > > max scan IEs length: 2257 bytes > > max # sched scan SSIDs: 0 > > max # match sets: 0 > > max # scan plans: 1 > > max scan plan interval: -1 > > max scan plan iterations: 0 > > Retry short limit: 7 > > Retry long limit: 4 > > Coverage class: 0 (up to 0m) > > Device supports RSN-IBSS. > > Supported Ciphers: > > * WEP40 (00-0f-ac:1) > > * WEP104 (00-0f-ac:5) > > * TKIP (00-0f-ac:2) > > * CCMP (00-0f-ac:4) > > * 00-0f-ac:10 > > * GCMP (00-0f-ac:8) > > * 00-0f-ac:9 > > Available Antennas: TX 0 RX 0 > > Supported interface modes: > > * IBSS > > * managed > > * AP > > * AP/VLAN > > * monitor > > Band 1: > > Capabilities: 0x70 > > HT20 > > Static SM Power Save > > RX Greenfield > > RX HT20 SGI > > RX HT40 SGI > > No RX STBC > > Max AMSDU length: 3839 bytes > > No DSSS/CCK HT40 > > Maximum RX AMPDU length 65535 bytes (exponent: > > 0x003) > > Minimum RX AMPDU time spacing: 8 usec (0x06) > > HT Max RX data rate: 500 Mbps > > HT TX/RX MCS rate indexes supported: 0-15 > > Bitrates (non-HT): > > * 1.0 Mbps > > * 2.0 Mbps (short preamble supported) > > * 5.5 Mbps (short preamble supported) > > * 11.0 Mbps (short preamble supported) > > * 6.0 Mbps > > * 9.0 Mbps > > * 12.0 Mbps > > * 18.0 Mbps > > * 24.0 Mbps > > * 36.0 Mbps > > * 48.0 Mbps > > * 54.0 Mbps > > Frequencies: > > * 2412 MHz [1] (19.0 dBm) > > * 2417 MHz [2] (19.0 dBm) > > * 2422 MHz [3] (19.0 dBm) > > * 2427 MHz [4] (19.0 dBm) > > * 2432 MHz [5] (19.0 dBm) > > * 2437 MHz [6] (19.0 dBm) > > * 2442 MHz [7] (19.0 dBm) > > * 2447 MHz [8] (19.0 dBm) > > * 2452 MHz [9] (19.0 dBm) > > * 2457 MHz [10] (19.0 dBm) > > * 2462 MHz [11] (19.0 dBm) > > * 2467 MHz [12] (19.0 dBm) (no IR) > > * 2472 MHz [13] (19.0 dBm) (no IR) > > * 2484 MHz [14] (disabled) > > Supported commands: > > * new_interface > > * set_interface > > * new_key > > * start_ap > > * new_station > > * new_mpath > > * set_mesh_config > > * set_bss > > * authenticate > > * associate > > * deauthenticate > > * disassociate > > * join_ibss > > * join_mesh > > * set_tx_bitrate_mask > > * frame > > * frame_wait_cancel > > * set_wiphy_netns > > * set_channel > > * set_wds_peer > > * probe_client > > * set_noack_map > > * register_beacons > > * start_p2p_device > > * set_mcast_rate > > * set_qos_map > > * connect > > * disconnect > > Supported TX frame types: > > * IBSS: 0x00 0x10 0x20 0x30 0x40 0x50 0x60 > > 0x70 0x80 > > 0x90 0xa0 0xb0 0xc0 0xd0 0xe0 0xf0 > > * managed: 0x00 0x10 0x20 0x30 0x40 0x50 0x60 > > 0x70 > > 0x80 0x90 0xa0 0xb0 0xc0 0xd0 0xe0 0xf0 > > * AP: 0x00 0x10 0x20 0x30 0x40 0x50 0x60 0x70 > > 0x80 > > 0x90 0xa0 0xb0 0xc0 0xd0 0xe0 0xf0 > > * AP/VLAN: 0x00 0x10 0x20 0x30 0x40 0x50 0x60 > > 0x70 > > 0x80 0x90 0xa0 0xb0 0xc0 0xd0 0xe0 0xf0 > > * mesh point: 0x00 0x10 0x20 0x30 0x40 0x50 > > 0x60 0x70 > > 0x80 0x90 0xa0 0xb0 0xc0 0xd0 0xe0 0xf0 > > * P2P-client: 0x00 0x10 0x20 0x30 0x40 0x50 > > 0x60 0x70 > > 0x80 0x90 0xa0 0xb0 0xc0 0xd0 0xe0 0xf0 > > * P2P-GO: 0x00 0x10 0x20 0x30 0x40 0x50 0x60 > > 0x70 > > 0x80 > > 0x90 0xa0 0xb0 0xc0 0xd0 0xe0 0xf0 > > * P2P-device: 0x00 0x10 0x20 0x30 0x40 0x50 > > 0x60 0x70 > > 0x80 0x90 0xa0 0xb0 0xc0 0xd0 0xe0 0xf0 > > Supported RX frame types: > > * IBSS: 0x40 0xb0 0xc0 0xd0 > > * managed: 0x40 0xd0 > > * AP: 0x00 0x20 0x40 0xa0 0xb0 0xc0 0xd0 > > * AP/VLAN: 0x00 0x20 0x40 0xa0 0xb0 0xc0 0xd0 > > * mesh point: 0xb0 0xc0 0xd0 > > * P2P-client: 0x40 0xd0 > > * P2P-GO: 0x00 0x20 0x40 0xa0 0xb0 0xc0 0xd0 > > * P2P-device: 0x40 0xd0 > > software interface modes (can always be added): > > * AP/VLAN > > * monitor > > interface combinations are not supported > > HT Capability overrides: > > * MCS: ff ff ff ff ff ff ff ff ff ff > > * maximum A-MSDU length > > * supported channel width > > * short GI for 40 MHz > > * max A-MPDU length exponent > > * min MPDU start spacing > > Device supports TX status socket option. > > Device supports HT-IBSS. > > Device supports SAE with AUTHENTICATE command > > Device supports low priority scan. > > Device supports scan flush. > > Device supports AP scan. > > Device supports per-vif TX power setting > > Driver supports a userspace MPM > > Device supports configuring vdev MAC-addr on create. > > > > > > > > > > > > > > > > Just to confirm. You are using the firmware from linux- > > > > > firmware, > > > > > right? > > > > > > > > Right. > > > > > > > > > > > > > > Or are you using firmware from the wiced dev kit? > > > > > > > > No. I guess you mean bcmdhd? > > > > > > You referred to 20 Mbps claim on wiced dev kit page at mouser so > > > I > > > assumed you were using that and it includes firmware. As you > > > confirmed > > > using firmware from linux-firmware repo this question does not > > > matter. > > > > I see! Note, that I measured >20MB throughput on the Cubietruck, > > which > > is using the AP6210, but also the brcmfmac driver. > > So does your custom ARM board have an Ethernet socket, ie. run iperf > server > on another device hooked up to the AP over Ethernet. Yes, it does have Ethernet. I hope that I have understand you correctly, so I run an iperf server an my PC and on my ARM board the iperf client. Both devices are connected via Ethernet to the Router (using a Powerline adaptor): # iperf3 -c 192.168.178.41 -i 1 -t 10 Connecting to host 192.168.178.41, port 5201 [ 4] local 192.168.178.40 port 36130 connected to 192.168.178.41 port 5201 [ ID] Interval Transfer Bandwidth Retr Cwnd [ 4] 0.00-1.09 sec 2.50 MBytes 19.2 Mbits/sec 0 14.1 KBytes [ 4] 1.09-2.21 sec 2.50 MBytes 18.8 Mbits/sec 0 14.1 KBytes [ 4] 2.21-3.30 sec 2.50 MBytes 19.2 Mbits/sec 0 14.1 KBytes [ 4] 3.30-4.39 sec 2.50 MBytes 19.3 Mbits/sec 0 14.1 KBytes [ 4] 4.39-5.48 sec 2.50 MBytes 19.2 Mbits/sec 0 14.1 KBytes [ 4] 5.48-6.02 sec 1.25 MBytes 19.3 Mbits/sec 0 14.1 KBytes [ 4] 6.02-7.11 sec 2.50 MBytes 19.3 Mbits/sec 0 14.1 KBytes [ 4] 7.11-8.20 sec 2.50 MBytes 19.3 Mbits/sec 0 14.1 KBytes [ 4] 8.20-9.43 sec 2.50 MBytes 17.1 Mbits/sec 0 14.1 KBytes [ 4] 9.43-10.51 sec 2.50 MBytes 19.4 Mbits/sec 0 14.1 KBytes - - - - - - - - - - - - - - - - - - - - - - - - - [ ID] Interval Transfer Bandwidth Retr [ 4] 0.00-10.51 sec 23.8 MBytes 19.0 Mbits/sec 0 sender [ 4] 0.00-10.51 sec 23.8 MBytes 19.0 Mbits/sec receiver iperf Done. Best regards Jörg Krause