mirror of
https://github.com/openwrt/openwrt.git
synced 2024-12-22 15:02:32 +00:00
aab466f422
Backport generic phylink validate series and make use of it for mtk_eth_soc Ethernet driver as well as mt7530 DSA driver. Signed-off-by: Daniel Golle <daniel@makrotopia.org>
69 lines
2.5 KiB
Diff
69 lines
2.5 KiB
Diff
From 82b318983c515f29b8b3a0dad9f6a5fe8a68a7f4 Mon Sep 17 00:00:00 2001
|
|
From: Vladimir Oltean <vladimir.oltean@nxp.com>
|
|
Date: Wed, 20 Oct 2021 20:49:49 +0300
|
|
Subject: [PATCH] net: dsa: introduce helpers for iterating through ports using
|
|
dp
|
|
|
|
Since the DSA conversion from the ds->ports array into the dst->ports
|
|
list, the DSA API has encouraged driver writers, as well as the core
|
|
itself, to write inefficient code.
|
|
|
|
Currently, code that wants to filter by a specific type of port when
|
|
iterating, like {!unused, user, cpu, dsa}, uses the dsa_is_*_port helper.
|
|
Under the hood, this uses dsa_to_port which iterates again through
|
|
dst->ports. But the driver iterates through the port list already, so
|
|
the complexity is quadratic for the typical case of a single-switch
|
|
tree.
|
|
|
|
This patch introduces some iteration helpers where the iterator is
|
|
already a struct dsa_port *dp, so that the other variant of the
|
|
filtering functions, dsa_port_is_{unused,user,cpu_dsa}, can be used
|
|
directly on the iterator. This eliminates the second lookup.
|
|
|
|
These functions can be used both by the core and by drivers.
|
|
|
|
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
|
|
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
|
|
Signed-off-by: David S. Miller <davem@davemloft.net>
|
|
---
|
|
include/net/dsa.h | 28 ++++++++++++++++++++++++++++
|
|
1 file changed, 28 insertions(+)
|
|
|
|
--- a/include/net/dsa.h
|
|
+++ b/include/net/dsa.h
|
|
@@ -476,6 +476,34 @@ static inline bool dsa_is_user_port(stru
|
|
return dsa_to_port(ds, p)->type == DSA_PORT_TYPE_USER;
|
|
}
|
|
|
|
+#define dsa_tree_for_each_user_port(_dp, _dst) \
|
|
+ list_for_each_entry((_dp), &(_dst)->ports, list) \
|
|
+ if (dsa_port_is_user((_dp)))
|
|
+
|
|
+#define dsa_switch_for_each_port(_dp, _ds) \
|
|
+ list_for_each_entry((_dp), &(_ds)->dst->ports, list) \
|
|
+ if ((_dp)->ds == (_ds))
|
|
+
|
|
+#define dsa_switch_for_each_port_safe(_dp, _next, _ds) \
|
|
+ list_for_each_entry_safe((_dp), (_next), &(_ds)->dst->ports, list) \
|
|
+ if ((_dp)->ds == (_ds))
|
|
+
|
|
+#define dsa_switch_for_each_port_continue_reverse(_dp, _ds) \
|
|
+ list_for_each_entry_continue_reverse((_dp), &(_ds)->dst->ports, list) \
|
|
+ if ((_dp)->ds == (_ds))
|
|
+
|
|
+#define dsa_switch_for_each_available_port(_dp, _ds) \
|
|
+ dsa_switch_for_each_port((_dp), (_ds)) \
|
|
+ if (!dsa_port_is_unused((_dp)))
|
|
+
|
|
+#define dsa_switch_for_each_user_port(_dp, _ds) \
|
|
+ dsa_switch_for_each_port((_dp), (_ds)) \
|
|
+ if (dsa_port_is_user((_dp)))
|
|
+
|
|
+#define dsa_switch_for_each_cpu_port(_dp, _ds) \
|
|
+ dsa_switch_for_each_port((_dp), (_ds)) \
|
|
+ if (dsa_port_is_cpu((_dp)))
|
|
+
|
|
static inline u32 dsa_user_ports(struct dsa_switch *ds)
|
|
{
|
|
u32 mask = 0;
|