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Re: [PATCH v5] net: ethernet: add driver for Aurora VLSI NB8800 Ethernet controller

From Eric Dumazet <eric.dumazet@gmail.com>
Newsgroups linux.kernel
Subject Re: [PATCH v5] net: ethernet: add driver for Aurora VLSI NB8800 Ethernet controller
Date 2015-11-11 15:50 +0100
Message-ID <qtESK-434-11@gated-at.bofh.it> (permalink)
References (6 earlier) <qtDN1-3mL-15@gated-at.bofh.it> <qtDWH-3rN-25@gated-at.bofh.it> <qtEg3-3OD-17@gated-at.bofh.it> <qtEpI-3Sx-25@gated-at.bofh.it> <qtEJ5-3Zk-31@gated-at.bofh.it>
Organization linux.* mail to news gateway

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On Wed, 2015-11-11 at 14:35 +0000, Måns Rullgård wrote:

> It seems the on-chip interconnect is limiting memory bandwidth available
> to the Ethernet DMA.  If I increase the limits, I get 800 Mbps over TCP
> and 850 Mbps over UDP with the driver posted here, the TCP case being
> CPU bound in csum_partial_copy_from_user.

Ah right, NIC has no TX checksum offload :(



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Thread

Re: [PATCH v5] net: ethernet: add driver for Aurora VLSI NB8800  Ethernet controller Francois Romieu <romieu@fr.zoreil.com> - 2015-11-11 00:40 +0100
  Re: [PATCH v5] net: ethernet: add driver for Aurora VLSI NB8800 Ethernet controller Måns Rullgård <mans@mansr.com> - 2015-11-11 01:50 +0100
    Re: [PATCH v5] net: ethernet: add driver for Aurora VLSI NB8800  Ethernet controller David Miller <davem@davemloft.net> - 2015-11-11 03:20 +0100
      Re: [PATCH v5] net: ethernet: add driver for Aurora VLSI NB8800 Ethernet controller Måns Rullgård <mans@mansr.com> - 2015-11-11 13:30 +0100
        Re: [PATCH v5] net: ethernet: add driver for Aurora VLSI NB8800 Ethernet controller Måns Rullgård <mans@mansr.com> - 2015-11-11 14:10 +0100
          Re: [PATCH v5] net: ethernet: add driver for Aurora VLSI NB8800  Ethernet controller Eric Dumazet <eric.dumazet@gmail.com> - 2015-11-11 14:40 +0100
            Re: [PATCH v5] net: ethernet: add driver for Aurora VLSI NB8800 Ethernet controller Måns Rullgård <mans@mansr.com> - 2015-11-11 14:50 +0100
              Re: [PATCH v5] net: ethernet: add driver for Aurora VLSI NB8800  Ethernet controller Eric Dumazet <eric.dumazet@gmail.com> - 2015-11-11 15:10 +0100
                Re: [PATCH v5] net: ethernet: add driver for Aurora VLSI NB8800 Ethernet controller Måns Rullgård <mans@mansr.com> - 2015-11-11 15:20 +0100
                Re: [PATCH v5] net: ethernet: add driver for Aurora VLSI NB8800 Ethernet controller Måns Rullgård <mans@mansr.com> - 2015-11-11 15:40 +0100
                Re: [PATCH v5] net: ethernet: add driver for Aurora VLSI NB8800  Ethernet controller Eric Dumazet <eric.dumazet@gmail.com> - 2015-11-11 15:50 +0100
                Re: [PATCH v5] net: ethernet: add driver for Aurora VLSI NB8800  Ethernet controller Eric Dumazet <eric.dumazet@gmail.com> - 2015-11-11 15:50 +0100
          Re: [PATCH v5] net: ethernet: add driver for Aurora VLSI NB8800  Ethernet controller David Miller <davem@davemloft.net> - 2015-11-11 17:30 +0100
            Re: [PATCH v5] net: ethernet: add driver for Aurora VLSI NB8800 Ethernet controller Måns Rullgård <mans@mansr.com> - 2015-11-11 19:30 +0100
              Re: [PATCH v5] net: ethernet: add driver for Aurora VLSI NB8800 Ethernet controller Måns Rullgård <mans@mansr.com> - 2015-11-11 20:10 +0100
                Re: [PATCH v5] net: ethernet: add driver for Aurora VLSI NB8800  Ethernet controller David Miller <davem@davemloft.net> - 2015-11-11 20:20 +0100
                Re: [PATCH v5] net: ethernet: add driver for Aurora VLSI NB8800 Ethernet controller Måns Rullgård <mans@mansr.com> - 2015-11-11 20:20 +0100
                Re: [PATCH v5] net: ethernet: add driver for Aurora VLSI NB8800  Ethernet controller David Miller <davem@davemloft.net> - 2015-11-11 20:30 +0100
                Re: [PATCH v5] net: ethernet: add driver for Aurora VLSI NB8800  Ethernet controller David Miller <davem@davemloft.net> - 2015-11-11 20:30 +0100
                Re: [PATCH v5] net: ethernet: add driver for Aurora VLSI NB8800 Ethernet controller Måns Rullgård <mans@mansr.com> - 2015-11-11 20:40 +0100
                Re: [PATCH v5] net: ethernet: add driver for Aurora VLSI NB8800  Ethernet controller David Miller <davem@davemloft.net> - 2015-11-11 20:50 +0100
                Re: [PATCH v5] net: ethernet: add driver for Aurora VLSI NB8800 Ethernet controller Måns Rullgård <mans@mansr.com> - 2015-11-11 21:50 +0100
                Re: [PATCH v5] net: ethernet: add driver for Aurora VLSI NB8800 Ethernet controller Måns Rullgård <mans@mansr.com> - 2015-11-11 20:30 +0100
              Re: [PATCH v5] net: ethernet: add driver for Aurora VLSI NB8800  Ethernet controller David Miller <davem@davemloft.net> - 2015-11-11 20:10 +0100
        Re: [PATCH v5] net: ethernet: add driver for Aurora VLSI NB8800  Ethernet controller David Miller <davem@davemloft.net> - 2015-11-11 17:30 +0100

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