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[RFC 12/20] net: dsa: rename dst->ds to dst->switches

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  [RFC 12/20] net: dsa: rename dst->ds to dst->switches Vivien Didelot <vivien.didelot@savoirfairelinux.com> - 2016-04-28 00:40 +0200
    Re: [RFC 12/20] net: dsa: rename dst->ds to dst->switches Andrew Lunn <andrew@lunn.ch> - 2016-04-28 01:30 +0200

#1389663 — [RFC 12/20] net: dsa: rename dst->ds to dst->switches

dsa_switch stores the net_device pointers in a "ports" member. Be
consistent and store the dsa_switch pointer in a "switches" member of
the dsa_switch_tree structure.

This free us the "ds" member for a future dsa_switch list.

Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
---
 include/net/dsa.h     | 2 +-
 net/dsa/dsa.c         | 8 ++++----
 net/dsa/tag_brcm.c    | 2 +-
 net/dsa/tag_dsa.c     | 2 +-
 net/dsa/tag_edsa.c    | 2 +-
 net/dsa/tag_trailer.c | 2 +-
 6 files changed, 9 insertions(+), 9 deletions(-)

diff --git a/include/net/dsa.h b/include/net/dsa.h
index 5f2e7df..389227d 100644
--- a/include/net/dsa.h
+++ b/include/net/dsa.h
@@ -124,7 +124,7 @@ struct dsa_switch_tree {
 	/*
 	 * Data for the individual switch chips.
 	 */
-	struct dsa_switch	*ds[DSA_MAX_SWITCHES];
+	struct dsa_switch	*switches[DSA_MAX_SWITCHES];
 };
 
 struct dsa_port {
diff --git a/net/dsa/dsa.c b/net/dsa/dsa.c
index 3daffb6..aa4a61a 100644
--- a/net/dsa/dsa.c
+++ b/net/dsa/dsa.c
@@ -857,7 +857,7 @@ static int dsa_setup_dst(struct dsa_switch_tree *dst, struct net_device *dev,
 			continue;
 		}
 
-		dst->ds[i] = ds;
+		dst->switches[i] = ds;
 
 		++configured;
 	}
@@ -953,7 +953,7 @@ static void dsa_remove_dst(struct dsa_switch_tree *dst)
 	wmb();
 
 	for (i = 0; i < dst->pd->nr_chips; i++) {
-		struct dsa_switch *ds = dst->ds[i];
+		struct dsa_switch *ds = dst->switches[i];
 
 		if (ds)
 			dsa_switch_destroy(ds);
@@ -1006,7 +1006,7 @@ static int dsa_suspend(struct device *d)
 	int i, ret = 0;
 
 	for (i = 0; i < dst->pd->nr_chips; i++) {
-		struct dsa_switch *ds = dst->ds[i];
+		struct dsa_switch *ds = dst->switches[i];
 
 		if (ds != NULL)
 			ret = dsa_switch_suspend(ds);
@@ -1022,7 +1022,7 @@ static int dsa_resume(struct device *d)
 	int i, ret = 0;
 
 	for (i = 0; i < dst->pd->nr_chips; i++) {
-		struct dsa_switch *ds = dst->ds[i];
+		struct dsa_switch *ds = dst->switches[i];
 
 		if (ds != NULL)
 			ret = dsa_switch_resume(ds);
diff --git a/net/dsa/tag_brcm.c b/net/dsa/tag_brcm.c
index 3d5aabc..35fc75b 100644
--- a/net/dsa/tag_brcm.c
+++ b/net/dsa/tag_brcm.c
@@ -102,7 +102,7 @@ static int brcm_tag_rcv(struct sk_buff *skb, struct net_device *dev,
 	if (unlikely(dst == NULL))
 		goto out_drop;
 
-	ds = dst->ds[0];
+	ds = dst->switches[0];
 
 	skb = skb_unshare(skb, GFP_ATOMIC);
 	if (skb == NULL)
diff --git a/net/dsa/tag_dsa.c b/net/dsa/tag_dsa.c
index c870cfa..bf3eebf8 100644
--- a/net/dsa/tag_dsa.c
+++ b/net/dsa/tag_dsa.c
@@ -109,7 +109,7 @@ static int dsa_rcv(struct sk_buff *skb, struct net_device *dev,
 	 */
 	if (source_device >= dst->pd->nr_chips)
 		goto out_drop;
-	ds = dst->ds[source_device];
+	ds = dst->switches[source_device];
 	if (source_port >= DSA_MAX_PORTS || ds->ports[source_port] == NULL)
 		goto out_drop;
 
diff --git a/net/dsa/tag_edsa.c b/net/dsa/tag_edsa.c
index 898f949d..4ddbb85 100644
--- a/net/dsa/tag_edsa.c
+++ b/net/dsa/tag_edsa.c
@@ -122,7 +122,7 @@ static int edsa_rcv(struct sk_buff *skb, struct net_device *dev,
 	 */
 	if (source_device >= dst->pd->nr_chips)
 		goto out_drop;
-	ds = dst->ds[source_device];
+	ds = dst->switches[source_device];
 	if (source_port >= DSA_MAX_PORTS || ds->ports[source_port] == NULL)
 		goto out_drop;
 
diff --git a/net/dsa/tag_trailer.c b/net/dsa/tag_trailer.c
index eaa3440..ade0bbf 100644
--- a/net/dsa/tag_trailer.c
+++ b/net/dsa/tag_trailer.c
@@ -67,7 +67,7 @@ static int trailer_rcv(struct sk_buff *skb, struct net_device *dev,
 
 	if (unlikely(dst == NULL))
 		goto out_drop;
-	ds = dst->ds[0];
+	ds = dst->switches[0];
 
 	skb = skb_unshare(skb, GFP_ATOMIC);
 	if (skb == NULL)
-- 
2.8.0

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#1389688

On Wed, Apr 27, 2016 at 06:30:09PM -0400, Vivien Didelot wrote:
> dsa_switch stores the net_device pointers in a "ports" member. Be
> consistent and store the dsa_switch pointer in a "switches" member of
> the dsa_switch_tree structure.
> 
> This free us the "ds" member for a future dsa_switch list.

NACK.

Or you need to change ds absolutely everywhere, in all drivers and
APIs. We cannot have ds meaning two different things.

       Andrew

> 
> Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
> ---
>  include/net/dsa.h     | 2 +-
>  net/dsa/dsa.c         | 8 ++++----
>  net/dsa/tag_brcm.c    | 2 +-
>  net/dsa/tag_dsa.c     | 2 +-
>  net/dsa/tag_edsa.c    | 2 +-
>  net/dsa/tag_trailer.c | 2 +-
>  6 files changed, 9 insertions(+), 9 deletions(-)
> 
> diff --git a/include/net/dsa.h b/include/net/dsa.h
> index 5f2e7df..389227d 100644
> --- a/include/net/dsa.h
> +++ b/include/net/dsa.h
> @@ -124,7 +124,7 @@ struct dsa_switch_tree {
>  	/*
>  	 * Data for the individual switch chips.
>  	 */
> -	struct dsa_switch	*ds[DSA_MAX_SWITCHES];
> +	struct dsa_switch	*switches[DSA_MAX_SWITCHES];
>  };
>  
>  struct dsa_port {
> diff --git a/net/dsa/dsa.c b/net/dsa/dsa.c
> index 3daffb6..aa4a61a 100644
> --- a/net/dsa/dsa.c
> +++ b/net/dsa/dsa.c
> @@ -857,7 +857,7 @@ static int dsa_setup_dst(struct dsa_switch_tree *dst, struct net_device *dev,
>  			continue;
>  		}
>  
> -		dst->ds[i] = ds;
> +		dst->switches[i] = ds;
>  
>  		++configured;
>  	}
> @@ -953,7 +953,7 @@ static void dsa_remove_dst(struct dsa_switch_tree *dst)
>  	wmb();
>  
>  	for (i = 0; i < dst->pd->nr_chips; i++) {
> -		struct dsa_switch *ds = dst->ds[i];
> +		struct dsa_switch *ds = dst->switches[i];
>  
>  		if (ds)
>  			dsa_switch_destroy(ds);
> @@ -1006,7 +1006,7 @@ static int dsa_suspend(struct device *d)
>  	int i, ret = 0;
>  
>  	for (i = 0; i < dst->pd->nr_chips; i++) {
> -		struct dsa_switch *ds = dst->ds[i];
> +		struct dsa_switch *ds = dst->switches[i];
>  
>  		if (ds != NULL)
>  			ret = dsa_switch_suspend(ds);
> @@ -1022,7 +1022,7 @@ static int dsa_resume(struct device *d)
>  	int i, ret = 0;
>  
>  	for (i = 0; i < dst->pd->nr_chips; i++) {
> -		struct dsa_switch *ds = dst->ds[i];
> +		struct dsa_switch *ds = dst->switches[i];
>  
>  		if (ds != NULL)
>  			ret = dsa_switch_resume(ds);
> diff --git a/net/dsa/tag_brcm.c b/net/dsa/tag_brcm.c
> index 3d5aabc..35fc75b 100644
> --- a/net/dsa/tag_brcm.c
> +++ b/net/dsa/tag_brcm.c
> @@ -102,7 +102,7 @@ static int brcm_tag_rcv(struct sk_buff *skb, struct net_device *dev,
>  	if (unlikely(dst == NULL))
>  		goto out_drop;
>  
> -	ds = dst->ds[0];
> +	ds = dst->switches[0];
>  
>  	skb = skb_unshare(skb, GFP_ATOMIC);
>  	if (skb == NULL)
> diff --git a/net/dsa/tag_dsa.c b/net/dsa/tag_dsa.c
> index c870cfa..bf3eebf8 100644
> --- a/net/dsa/tag_dsa.c
> +++ b/net/dsa/tag_dsa.c
> @@ -109,7 +109,7 @@ static int dsa_rcv(struct sk_buff *skb, struct net_device *dev,
>  	 */
>  	if (source_device >= dst->pd->nr_chips)
>  		goto out_drop;
> -	ds = dst->ds[source_device];
> +	ds = dst->switches[source_device];
>  	if (source_port >= DSA_MAX_PORTS || ds->ports[source_port] == NULL)
>  		goto out_drop;
>  
> diff --git a/net/dsa/tag_edsa.c b/net/dsa/tag_edsa.c
> index 898f949d..4ddbb85 100644
> --- a/net/dsa/tag_edsa.c
> +++ b/net/dsa/tag_edsa.c
> @@ -122,7 +122,7 @@ static int edsa_rcv(struct sk_buff *skb, struct net_device *dev,
>  	 */
>  	if (source_device >= dst->pd->nr_chips)
>  		goto out_drop;
> -	ds = dst->ds[source_device];
> +	ds = dst->switches[source_device];
>  	if (source_port >= DSA_MAX_PORTS || ds->ports[source_port] == NULL)
>  		goto out_drop;
>  
> diff --git a/net/dsa/tag_trailer.c b/net/dsa/tag_trailer.c
> index eaa3440..ade0bbf 100644
> --- a/net/dsa/tag_trailer.c
> +++ b/net/dsa/tag_trailer.c
> @@ -67,7 +67,7 @@ static int trailer_rcv(struct sk_buff *skb, struct net_device *dev,
>  
>  	if (unlikely(dst == NULL))
>  		goto out_drop;
> -	ds = dst->ds[0];
> +	ds = dst->switches[0];
>  
>  	skb = skb_unshare(skb, GFP_ATOMIC);
>  	if (skb == NULL)
> -- 
> 2.8.0
> 

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