* [PATCH net] net: bridge: use switchdev for port flags set through sysfs too
@ 2021-02-07 19:47 Vladimir Oltean
2021-02-08 11:11 ` Nikolay Aleksandrov
2021-02-08 23:50 ` patchwork-bot+netdevbpf
0 siblings, 2 replies; 3+ messages in thread
From: Vladimir Oltean @ 2021-02-07 19:47 UTC (permalink / raw)
To: Jakub Kicinski, David S. Miller
Cc: Andrew Lunn, Vivien Didelot, Florian Fainelli, netdev,
linux-kernel, bridge, Roopa Prabhu, Nikolay Aleksandrov,
Jiri Pirko, Ido Schimmel
From: Vladimir Oltean <vladimir.oltean@nxp.com>
Looking through patchwork I don't see that there was any consensus to
use switchdev notifiers only in case of netlink provided port flags but
not sysfs (as a sort of deprecation, punishment or anything like that),
so we should probably keep the user interface consistent in terms of
functionality.
http://patchwork.ozlabs.org/project/netdev/patch/20170605092043.3523-3-jiri@resnulli.us/
http://patchwork.ozlabs.org/project/netdev/patch/20170608064428.4785-3-jiri@resnulli.us/
Fixes: 3922285d96e7 ("net: bridge: Add support for offloading port attributes")
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
---
net/bridge/br_sysfs_if.c | 9 ++++++---
1 file changed, 6 insertions(+), 3 deletions(-)
diff --git a/net/bridge/br_sysfs_if.c b/net/bridge/br_sysfs_if.c
index 96ff63cde1be..5aea9427ffe1 100644
--- a/net/bridge/br_sysfs_if.c
+++ b/net/bridge/br_sysfs_if.c
@@ -59,9 +59,8 @@ static BRPORT_ATTR(_name, 0644, \
static int store_flag(struct net_bridge_port *p, unsigned long v,
unsigned long mask)
{
- unsigned long flags;
-
- flags = p->flags;
+ unsigned long flags = p->flags;
+ int err;
if (v)
flags |= mask;
@@ -69,6 +68,10 @@ static int store_flag(struct net_bridge_port *p, unsigned long v,
flags &= ~mask;
if (flags != p->flags) {
+ err = br_switchdev_set_port_flag(p, flags, mask);
+ if (err)
+ return err;
+
p->flags = flags;
br_port_flags_change(p, mask);
}
--
2.25.1
^ permalink raw reply related [flat|nested] 3+ messages in thread
* Re: [PATCH net] net: bridge: use switchdev for port flags set through sysfs too
2021-02-07 19:47 [PATCH net] net: bridge: use switchdev for port flags set through sysfs too Vladimir Oltean
@ 2021-02-08 11:11 ` Nikolay Aleksandrov
2021-02-08 23:50 ` patchwork-bot+netdevbpf
1 sibling, 0 replies; 3+ messages in thread
From: Nikolay Aleksandrov @ 2021-02-08 11:11 UTC (permalink / raw)
To: Vladimir Oltean, Jakub Kicinski, David S. Miller
Cc: Andrew Lunn, Vivien Didelot, Florian Fainelli, netdev,
linux-kernel, bridge, Roopa Prabhu, Jiri Pirko, Ido Schimmel
On 07/02/2021 21:47, Vladimir Oltean wrote:
> From: Vladimir Oltean <vladimir.oltean@nxp.com>
>
> Looking through patchwork I don't see that there was any consensus to
> use switchdev notifiers only in case of netlink provided port flags but
> not sysfs (as a sort of deprecation, punishment or anything like that),
> so we should probably keep the user interface consistent in terms of
> functionality.
>
> http://patchwork.ozlabs.org/project/netdev/patch/20170605092043.3523-3-jiri@resnulli.us/
> http://patchwork.ozlabs.org/project/netdev/patch/20170608064428.4785-3-jiri@resnulli.us/
>
> Fixes: 3922285d96e7 ("net: bridge: Add support for offloading port attributes")
> Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
> ---
> net/bridge/br_sysfs_if.c | 9 ++++++---
> 1 file changed, 6 insertions(+), 3 deletions(-)
>
> diff --git a/net/bridge/br_sysfs_if.c b/net/bridge/br_sysfs_if.c
> index 96ff63cde1be..5aea9427ffe1 100644
> --- a/net/bridge/br_sysfs_if.c
> +++ b/net/bridge/br_sysfs_if.c
> @@ -59,9 +59,8 @@ static BRPORT_ATTR(_name, 0644, \
> static int store_flag(struct net_bridge_port *p, unsigned long v,
> unsigned long mask)
> {
> - unsigned long flags;
> -
> - flags = p->flags;
> + unsigned long flags = p->flags;
> + int err;
>
> if (v)
> flags |= mask;
> @@ -69,6 +68,10 @@ static int store_flag(struct net_bridge_port *p, unsigned long v,
> flags &= ~mask;
>
> if (flags != p->flags) {
> + err = br_switchdev_set_port_flag(p, flags, mask);
> + if (err)
> + return err;
> +
> p->flags = flags;
> br_port_flags_change(p, mask);
> }
>
Acked-by: Nikolay Aleksandrov <nikolay@nvidia.com>
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [PATCH net] net: bridge: use switchdev for port flags set through sysfs too
2021-02-07 19:47 [PATCH net] net: bridge: use switchdev for port flags set through sysfs too Vladimir Oltean
2021-02-08 11:11 ` Nikolay Aleksandrov
@ 2021-02-08 23:50 ` patchwork-bot+netdevbpf
1 sibling, 0 replies; 3+ messages in thread
From: patchwork-bot+netdevbpf @ 2021-02-08 23:50 UTC (permalink / raw)
To: Vladimir Oltean
Cc: kuba, davem, andrew, vivien.didelot, f.fainelli, netdev,
linux-kernel, bridge, roopa, nikolay, jiri, idosch
Hello:
This patch was applied to netdev/net-next.git (refs/heads/master):
On Sun, 7 Feb 2021 21:47:33 +0200 you wrote:
> From: Vladimir Oltean <vladimir.oltean@nxp.com>
>
> Looking through patchwork I don't see that there was any consensus to
> use switchdev notifiers only in case of netlink provided port flags but
> not sysfs (as a sort of deprecation, punishment or anything like that),
> so we should probably keep the user interface consistent in terms of
> functionality.
>
> [...]
Here is the summary with links:
- [net] net: bridge: use switchdev for port flags set through sysfs too
https://git.kernel.org/netdev/net-next/c/8043c845b63a
You are awesome, thank you!
--
Deet-doot-dot, I am a bot.
https://korg.docs.kernel.org/patchwork/pwbot.html
^ permalink raw reply [flat|nested] 3+ messages in thread
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2021-02-07 19:47 [PATCH net] net: bridge: use switchdev for port flags set through sysfs too Vladimir Oltean
2021-02-08 11:11 ` Nikolay Aleksandrov
2021-02-08 23:50 ` patchwork-bot+netdevbpf
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