From: David L Stevens <david.stevens@oracle.com>
To: David Miller <davem@davemloft.net>
Cc: netdev@vger.kernel.org
Subject: [PATCHv5 net-next 0/3] sunvnet: add jumbo frames support
Date: Wed, 17 Sep 2014 16:49:32 -0400 [thread overview]
Message-ID: <5419F3DC.60104@oracle.com> (raw)
This patch set updates the sunvnet driver to version 1.6 of the VIO protocol
to support per-port exchange of MTU information and allow non-standard MTU
sizes, including jumbo frames.
Using large MTUs shows a > 4X throughput improvement Linux-Solaris
and > 8X throughput improvement Linux-Linux.
Changes from v4:
- changed VNET_MAXPACKET per David Laight <David.Laight@ACULAB.COM>
- added cookies to support non-contiguous buffers of max size
Changes from v3:
- added version functions per Dave Miller <davem@davemloft.net>
- moved rmtu to vnet_port per Dave Miller <davem@davemloft.net>
- explicitly set options bits and capability flags to 0 per
Raghuram Kothakota <Raghuram.Kothakota@oracle.com>
Changes from v2:
- make checkpatch clean
Changes from v1:
- fix brace formatting per Dave Miller <davem@davemloft.net>
David L Stevens (3):
sunvnet: upgrade to VIO protocol version 1.6
sunvnet: allow admin to set sunvnet MTU
sunvnet: generate ICMP PTMUD messages for smaller port MTUs
arch/sparc/include/asm/vio.h | 44 ++++++++++-
arch/sparc/kernel/ldc.c | 2 +-
arch/sparc/kernel/viohs.c | 14 +++-
drivers/net/ethernet/sun/sunvnet.c | 146 +++++++++++++++++++++++++++++++-----
drivers/net/ethernet/sun/sunvnet.h | 7 ++-
5 files changed, 187 insertions(+), 26 deletions(-)
next reply other threads:[~2014-09-17 20:49 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-09-17 20:49 David L Stevens [this message]
2014-09-17 22:33 ` [PATCHv5 net-next 0/3] sunvnet: add jumbo frames support Sowmini Varadhan
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