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

From: Andrew Lunn
Date: Wed Apr 27 2016 - 19:20:13 EST


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@xxxxxxxxxxxxxxxxxxxx>
> ---
> 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
>