linux.git/net/core/net-sysfs.c, branch v4.15 Linux kernel source tree net-sysfs: trigger netlink notification on ifalias change via sysfs 2017-11-14T13:03:21+00:00 Roopa Prabhu roopa@cumulusnetworks.com 2017-11-14T07:21:36+00:00 c92eb77aff6a11c79059e2caffdd3baede218a9e This patch adds netlink notifications on iflias changes via sysfs. makes it consistent with the netlink path which also calls netdev_state_change. Also makes it consistent with other sysfs netdev_store operations. Signed-off-by: Roopa Prabhu <roopa@cumulusnetworks.com> Reviewed-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net> 
This patch adds netlink notifications on iflias changes via sysfs.
makes it consistent with the netlink path which also calls
netdev_state_change. Also makes it consistent with other sysfs
netdev_store operations.

Signed-off-by: Roopa Prabhu <roopa@cumulusnetworks.com>
Reviewed-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
net: core: decouple ifalias get/set from rtnl lock 2017-10-03T22:56:01+00:00 Florian Westphal fw@strlen.de 2017-10-02T21:50:05+00:00 6c5570016b972d9b1f0f6c2dca9cc0422b1f92bf Device alias can be set by either rtnetlink (rtnl is held) or sysfs. rtnetlink hold the rtnl mutex, sysfs acquires it for this purpose. Add an extra mutex for it and use rcu to protect concurrent accesses. This allows the sysfs path to not take rtnl and would later allow to not hold it when dumping ifalias. Based on suggestion from Eric Dumazet. Signed-off-by: Florian Westphal <fw@strlen.de> Signed-off-by: David S. Miller <davem@davemloft.net> 
Device alias can be set by either rtnetlink (rtnl is held) or sysfs.

rtnetlink hold the rtnl mutex, sysfs acquires it for this purpose.
Add an extra mutex for it and use rcu to protect concurrent accesses.

This allows the sysfs path to not take rtnl and would later allow
to not hold it when dumping ifalias.

Based on suggestion from Eric Dumazet.

Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
net: style cleanups 2017-08-19T05:38:47+00:00 stephen hemminger stephen@networkplumber.org 2017-08-18T20:46:28+00:00 6648c65e7ea72c3b19ea908d046e4a47e90fd907 Make code closer to current style. Mostly whitespace changes. Signed-off-by: Stephen Hemminger <sthemmin@microsoft.com> Signed-off-by: David S. Miller <davem@davemloft.net> 
Make code closer to current style. Mostly whitespace changes.

Signed-off-by: Stephen Hemminger <sthemmin@microsoft.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
net: mark receive queue attributes ro_after_init 2017-08-19T05:38:46+00:00 stephen hemminger stephen@networkplumber.org 2017-08-18T20:46:27+00:00 667e427bc356a43e130cfc03ea4273603487cc69 Signed-off-by: Stephen Hemminger <sthemmin@microsoft.com> Signed-off-by: David S. Miller <davem@davemloft.net> 
Signed-off-by: Stephen Hemminger <sthemmin@microsoft.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
net: make queue attributes ro_after_init 2017-08-19T05:38:46+00:00 stephen hemminger stephen@networkplumber.org 2017-08-18T20:46:26+00:00 2b9c758129d7eb2d709291426004e5a8efcba19f The XPS queue attributes can be ro_after_init. Also use __ATTR_RX macros to simplify initialization. Signed-off-by: Stephen Hemminger <sthemmin@microsoft.com> Signed-off-by: David S. Miller <davem@davemloft.net> 
The XPS queue attributes can be ro_after_init.
Also use __ATTR_RX macros to simplify initialization.

Signed-off-by: Stephen Hemminger <sthemmin@microsoft.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
net: make BQL sysfs attributes ro_after_init 2017-08-19T05:38:46+00:00 stephen hemminger stephen@networkplumber.org 2017-08-18T20:46:25+00:00 170c658afc43c2d18a167783824f4e122a07abd2 Also fix macro to not have ; at end. Signed-off-by: Stephen Hemminger <sthemmin@microsoft.com> Signed-off-by: David S. Miller <davem@davemloft.net> 
Also fix macro to not have ; at end.

Signed-off-by: Stephen Hemminger <sthemmin@microsoft.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
net: drop unused attribute argument from sysfs queue funcs 2017-08-19T05:38:31+00:00 stephen hemminger stephen@networkplumber.org 2017-08-18T20:46:24+00:00 718ad681eff47d3d04879ff5f5290bdab0b8bad6 The show and store functions don't need/use the attribute. Signed-off-by: Stephen Hemminger <sthemmin@microsoft.com> Signed-off-by: David S. Miller <davem@davemloft.net> 
The show and store functions don't need/use the attribute.

Signed-off-by: Stephen Hemminger <sthemmin@microsoft.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
net: make net sysfs attributes ro_after_init 2017-08-19T05:37:35+00:00 stephen hemminger stephen@networkplumber.org 2017-08-18T20:46:23+00:00 ec6cc5993c0f0c1e5a7cbb630c7ecc165e6d9e84 The attributes of net devices are immutable. Ideally, attribute groups would contain const attributes but there are too many places that do modifications of list during startup (in other code) to allow that. Signed-off-by: Stephen Hemminger <sthemmin@microsoft.com> Signed-off-by: David S. Miller <davem@davemloft.net> 
The attributes of net devices are immutable.

Ideally, attribute groups would contain const attributes
but there are too many places that do modifications of list
during startup (in other code) to allow that.

Signed-off-by: Stephen Hemminger <sthemmin@microsoft.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
net: constify net_ns_type_operations 2017-08-19T05:37:27+00:00 stephen hemminger stephen@networkplumber.org 2017-08-18T20:46:22+00:00 737aec57c672c1308d602afecd841455c39561e5 This can be const. Signed-off-by: Stephen Hemminger <sthemmin@microsoft.com> Signed-off-by: David S. Miller <davem@davemloft.net> 
This can be const.

Signed-off-by: Stephen Hemminger <sthemmin@microsoft.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
net: make net_class ro_after_init 2017-08-19T05:37:21+00:00 stephen hemminger stephen@networkplumber.org 2017-08-18T20:46:21+00:00 e6d473e63536ea1989dc63c066f0c0464a969324 The net_class in sysfs is only modified on init. Signed-off-by: Stephen Hemminger <sthemmin@microsoft.com> Signed-off-by: David S. Miller <davem@davemloft.net> 
The net_class in sysfs is only modified on init.

Signed-off-by: Stephen Hemminger <sthemmin@microsoft.com>
Signed-off-by: David S. Miller <davem@davemloft.net>