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* [PATCH] include: net: add dsa_cpu_ports function
@ 2021-04-06  3:49 Ansuel Smith
  2021-04-07  0:16 ` Andrew Lunn
  0 siblings, 1 reply; 2+ messages in thread
From: Ansuel Smith @ 2021-04-06  3:49 UTC (permalink / raw)
  To: Andrew Lunn
  Cc: Ansuel Smith, Vivien Didelot, Florian Fainelli, Vladimir Oltean,
	David S. Miller, Jakub Kicinski, netdev, linux-kernel

In preparation for the future when dsa will support multi cpu port,
dsa_cpu_ports can be useful for switch that has multiple cpu port to
retrieve the cpu mask for ACL and bridge table.

Signed-off-by: Ansuel Smith <ansuelsmth@gmail.com>
---
 include/net/dsa.h | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/include/net/dsa.h b/include/net/dsa.h
index 83a933e563fe..d71b1acd9c3e 100644
--- a/include/net/dsa.h
+++ b/include/net/dsa.h
@@ -446,6 +446,18 @@ static inline u32 dsa_user_ports(struct dsa_switch *ds)
 	return mask;
 }
 
+static inline u32 dsa_cpu_ports(struct dsa_switch *ds)
+{
+	u32 mask = 0;
+	int p;
+
+	for (p = 0; p < ds->num_ports; p++)
+		if (dsa_is_cpu_port(ds, p))
+			mask |= BIT(p);
+
+	return mask;
+}
+
 /* Return the local port used to reach an arbitrary switch device */
 static inline unsigned int dsa_routing_port(struct dsa_switch *ds, int device)
 {
-- 
2.30.2


^ permalink raw reply related	[flat|nested] 2+ messages in thread

* Re: [PATCH] include: net: add dsa_cpu_ports function
  2021-04-06  3:49 [PATCH] include: net: add dsa_cpu_ports function Ansuel Smith
@ 2021-04-07  0:16 ` Andrew Lunn
  0 siblings, 0 replies; 2+ messages in thread
From: Andrew Lunn @ 2021-04-07  0:16 UTC (permalink / raw)
  To: Ansuel Smith
  Cc: Vivien Didelot, Florian Fainelli, Vladimir Oltean,
	David S. Miller, Jakub Kicinski, netdev, linux-kernel

On Tue, Apr 06, 2021 at 05:49:03AM +0200, Ansuel Smith wrote:
> In preparation for the future when dsa will support multi cpu port,
> dsa_cpu_ports can be useful for switch that has multiple cpu port to
> retrieve the cpu mask for ACL and bridge table.
> 
> Signed-off-by: Ansuel Smith <ansuelsmth@gmail.com>
> ---
>  include/net/dsa.h | 12 ++++++++++++
>  1 file changed, 12 insertions(+)
> 
> diff --git a/include/net/dsa.h b/include/net/dsa.h
> index 83a933e563fe..d71b1acd9c3e 100644
> --- a/include/net/dsa.h
> +++ b/include/net/dsa.h
> @@ -446,6 +446,18 @@ static inline u32 dsa_user_ports(struct dsa_switch *ds)
>  	return mask;
>  }
>  
> +static inline u32 dsa_cpu_ports(struct dsa_switch *ds)
> +{
> +	u32 mask = 0;
> +	int p;
> +
> +	for (p = 0; p < ds->num_ports; p++)
> +		if (dsa_is_cpu_port(ds, p))
> +			mask |= BIT(p);
> +
> +	return mask;
> +}

Hi Ansuel

We don't add a function unless it has a user. Please call it from somewhere.

   Andrew

^ permalink raw reply	[flat|nested] 2+ messages in thread

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