net: hns: Avoid action name truncation
authordann frazier <dann.frazier@canonical.com>
Thu, 19 Apr 2018 03:55:41 +0000 (21:55 -0600)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 20 Jun 2018 19:02:44 +0000 (04:02 +0900)
commitbd595dbfcbd640e8270e8fdfe8b91226a80242ac
tree312af6f509714aa745d5ea222afd4cee11e75087
parentea7246c258922565a53319ddc54684d081d1b4c8
net: hns: Avoid action name truncation

[ Upstream commit f4ea89110df237da6fbcaab76af431e85f07d904 ]

When longer interface names are used, the action names exposed in
/proc/interrupts and /proc/irq/* maybe truncated. For example, when
using the predictable name algorithm in systemd on a HiSilicon D05,
I see:

  ubuntu@d05-3:~$  grep enahisic2i0-tx /proc/interrupts | sed 's/.* //'
  enahisic2i0-tx0
  enahisic2i0-tx1
  [...]
  enahisic2i0-tx8
  enahisic2i0-tx9
  enahisic2i0-tx1
  enahisic2i0-tx1
  enahisic2i0-tx1
  enahisic2i0-tx1
  enahisic2i0-tx1
  enahisic2i0-tx1

Increase the max ring name length to allow for an interface name
of IFNAMSIZE. After this change, I now see:

  $ grep enahisic2i0-tx /proc/interrupts | sed 's/.* //'
  enahisic2i0-tx0
  enahisic2i0-tx1
  enahisic2i0-tx2
  [...]
  enahisic2i0-tx8
  enahisic2i0-tx9
  enahisic2i0-tx10
  enahisic2i0-tx11
  enahisic2i0-tx12
  enahisic2i0-tx13
  enahisic2i0-tx14
  enahisic2i0-tx15

Signed-off-by: dann frazier <dann.frazier@canonical.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/net/ethernet/hisilicon/hns/hnae.h