Date: Fri, 02 Oct 2015 21:19:59 +0200 From: "C.Dornig" <c_dornig@gmx.de> To: freebsd-arm@freebsd.org Subject: dwc on banana pi pro and poor network performance Message-ID: <560ED8DF.4080709@gmx.de>
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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 Hi, I have a Lemaker Banana Pi Pro and want to use it as router (regarding the GBit interface). For testing i used iperf with two test hosts. The Pi have two vlans configured and each test node use the pi as router to reach the other node. I created a FreeBSD 11 image with crochet (FreeBSD r288430, +u-boot-bananapi version 2015-04). Test scenario: # On Banana: sysctl net.inet.ip.forwarding=1 sysctl net.inet.ip.fastforwarding=1 ifconfig vlan10 create ifconfig vlan10 vlan 10 vlandev dwc0 ifconfig vlan10 10.0.0.1/24 up ifconfig vlan11 create ifconfig vlan11 vlan 11 vlandev dwc0 ifconfig vlan11 10.0.1.1/24 up # Host 1: ifconfig vlan10 create ifconfig vlan10 vlan 10 vlandev em0 ifconfig vlan10 10.0.0.100/24 up route add -net 10.0.1.0/24 10.0.0.1 iperf -c 10.0.1.100 # Host 2: ifconfig vlan11 create ifconfig vlan11 vlan 11 vlandev em0 ifconfig vlan11 10.0.1.100/24 up route add -net 10.0.0.0/24 10.0.1.1 iperf -s The hosts can reach each others. Iperf reports me ~130 Mbit. During the test, netstat reports ~37k pps and the interrupt rate are also not very high (~300). The same test with Linux on the PI results ~550 Mbit. Iperf from host 1 to host 2 without PI in between reports ~990 Mbit. What's wrong here ? Regards, C. -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQIcBAEBCAAGBQJWDtjaAAoJENpF8Q7kD80ylu0P/AwenlTV9xU5ZTGyOec8LQK9 p6GkBuBrXx/if8Su/c81mvSrJWnIufSUIZJmUTgOWLfYqgYAvc5MptTHzzgSa90d i96MdOurF60pKI+a9zcssC7GPYm6yEoSSwDkWecIn0VatlqDTB2ygCdQxie+FRgb SuCFWtyntfLlI45f63IRLgOA5rflEQiPq0L64XTcVe9EJpS6iAUrWnd5KA93/qn3 wJmzqFGITTgyV1OHzYQbkrTKZxQx2CUXpWr08O55J3vsD++Sl2AkGrq3iB4jowap UjA9BxF0KqtY6IwaepnsyrhbacARhJwwMdwjRI/0+zQP2pQcmzjCLtg8mYuOxVp1 lkljVy0FDN2U47eWjybdJ3YWDB4FVFZTOmxj55UKA9X4ayR2a2OMc64vxzJV+cjF 30spBAxYCCHGKWiRWLW0viuajCrBhS0wbD44jF1Be9GmBtRbBBOiZ0f2cLBzAV/x wJCjWaapDvmqzZ2R98uhc1N04ezmlidn1OrAt/Mgca85qQnz5vricbJRR5LUrZzJ tWuq5cTRE+vRC3nQCXuNqHa8AE0rzuSmzMxW12JETHHVqOwBPT5KD5JXk2+N5o2m 67DByhMVxnW/IrsDghNWTyQJJpceUkag2KffddqjYz3ph8KoGraaGw9f5pIOWGUN kWPmLJiSr29OX0/EAygK =ExPu -----END PGP SIGNATURE-----
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