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Date: Fri, 27 May 2016 03:20:39 +0200
From: Andrew Lunn <andrew@...n.ch>
To: netdev <netdev@...r.kernel.org>
Cc: Vivien Didelot <vivien.didelot@...oirfairelinux.com>,
Florian Fainelli <f.fainelli@...il.com>,
John Crispin <john@...ozen.org>, Bryan.Whitehead@...rochip.com,
Andrew Lunn <andrew@...n.ch>
Subject: [RFC PATCH 05/16] dsa: Add a ports structure and use it in the switch structure
There are going to be more per-port members added to the switch
structure. So add a port structure and move the netdev into it.
Signed-off-by: Andrew Lunn <andrew@...n.ch>
---
drivers/net/dsa/bcm_sf2.c | 4 ++--
drivers/net/dsa/mv88e6xxx.c | 27 ++++++++++++++++-----------
include/net/dsa.h | 8 ++++++--
net/dsa/dsa.c | 8 ++++----
net/dsa/slave.c | 4 ++--
net/dsa/tag_brcm.c | 4 ++--
net/dsa/tag_dsa.c | 4 ++--
net/dsa/tag_edsa.c | 4 ++--
net/dsa/tag_trailer.c | 4 ++--
9 files changed, 38 insertions(+), 29 deletions(-)
diff --git a/drivers/net/dsa/bcm_sf2.c b/drivers/net/dsa/bcm_sf2.c
index 10ddd5a5dfb6..73df91bb0466 100644
--- a/drivers/net/dsa/bcm_sf2.c
+++ b/drivers/net/dsa/bcm_sf2.c
@@ -804,7 +804,7 @@ static int bcm_sf2_sw_fdb_dump(struct dsa_switch *ds, int port,
int (*cb)(struct switchdev_obj *obj))
{
struct bcm_sf2_priv *priv = ds_to_priv(ds);
- struct net_device *dev = ds->ports[port];
+ struct net_device *dev = ds->ports[port].netdev;
struct bcm_sf2_arl_entry results[2];
unsigned int count = 0;
int ret;
@@ -1248,7 +1248,7 @@ static void bcm_sf2_sw_fixed_link_update(struct dsa_switch *ds, int port,
* state machine and make it go in PHY_FORCING state instead.
*/
if (!status->link)
- netif_carrier_off(ds->ports[port]);
+ netif_carrier_off(ds->ports[port].netdev);
status->duplex = 1;
} else {
status->link = 1;
diff --git a/drivers/net/dsa/mv88e6xxx.c b/drivers/net/dsa/mv88e6xxx.c
index c361036e7f9c..85332d9a245a 100644
--- a/drivers/net/dsa/mv88e6xxx.c
+++ b/drivers/net/dsa/mv88e6xxx.c
@@ -1327,7 +1327,7 @@ static int _mv88e6xxx_port_state(struct mv88e6xxx_priv_state *ps, int port,
if (ret)
return ret;
- netdev_dbg(ds->ports[port], "PortState %s (was %s)\n",
+ netdev_dbg(ds->ports[port].netdev, "PortState %s (was %s)\n",
mv88e6xxx_port_state_names[state],
mv88e6xxx_port_state_names[oldstate]);
}
@@ -1405,7 +1405,8 @@ static void mv88e6xxx_port_stp_state_set(struct dsa_switch *ds, int port,
mutex_unlock(&ps->smi_mutex);
if (err)
- netdev_err(ds->ports[port], "failed to update state to %s\n",
+ netdev_err(ds->ports[port].netdev,
+ "failed to update state to %s\n",
mv88e6xxx_port_state_names[stp_state]);
}
@@ -1431,8 +1432,8 @@ static int _mv88e6xxx_port_pvid(struct mv88e6xxx_priv_state *ps, int port,
if (ret < 0)
return ret;
- netdev_dbg(ds->ports[port], "DefaultVID %d (was %d)\n", *new,
- pvid);
+ netdev_dbg(ds->ports[port].netdev,
+ "DefaultVID %d (was %d)\n", *new, pvid);
}
if (old)
@@ -1847,7 +1848,8 @@ static int _mv88e6xxx_port_fid(struct mv88e6xxx_priv_state *ps, int port,
if (ret < 0)
return ret;
- netdev_dbg(ds->ports[port], "FID %d (was %d)\n", *new, fid);
+ netdev_dbg(ds->ports[port].netdev,
+ "FID %d (was %d)\n", *new, fid);
}
if (old)
@@ -2028,7 +2030,7 @@ static int mv88e6xxx_port_check_hw_vlan(struct dsa_switch *ds, int port,
ps->ports[port].bridge_dev)
break; /* same bridge, check next VLAN */
- netdev_warn(ds->ports[port],
+ netdev_warn(ds->ports[port].netdev,
"hardware VLAN %d already used by %s\n",
vlan.vid,
netdev_name(ps->ports[i].bridge_dev));
@@ -2078,7 +2080,7 @@ static int mv88e6xxx_port_vlan_filtering(struct dsa_switch *ds, int port,
if (ret < 0)
goto unlock;
- netdev_dbg(ds->ports[port], "802.1Q Mode %s (was %s)\n",
+ netdev_dbg(ds->ports[port].netdev, "802.1Q Mode %s (was %s)\n",
mv88e6xxx_port_8021q_mode_names[new],
mv88e6xxx_port_8021q_mode_names[old]);
}
@@ -2147,11 +2149,12 @@ static void mv88e6xxx_port_vlan_add(struct dsa_switch *ds, int port,
for (vid = vlan->vid_begin; vid <= vlan->vid_end; ++vid)
if (_mv88e6xxx_port_vlan_add(ps, port, vid, untagged))
- netdev_err(ds->ports[port], "failed to add VLAN %d%c\n",
+ netdev_err(ds->ports[port].netdev,
+ "failed to add VLAN %d%c\n",
vid, untagged ? 'u' : 't');
if (pvid && _mv88e6xxx_port_pvid_set(ps, port, vlan->vid_end))
- netdev_err(ds->ports[port], "failed to set PVID %d\n",
+ netdev_err(ds->ports[port].netdev, "failed to set PVID %d\n",
vlan->vid_end);
mutex_unlock(&ps->smi_mutex);
@@ -2336,7 +2339,8 @@ static void mv88e6xxx_port_fdb_add(struct dsa_switch *ds, int port,
mutex_lock(&ps->smi_mutex);
if (_mv88e6xxx_port_fdb_load(ps, port, fdb->addr, fdb->vid, state))
- netdev_err(ds->ports[port], "failed to load MAC address\n");
+ netdev_err(ds->ports[port].netdev,
+ "failed to load MAC address\n");
mutex_unlock(&ps->smi_mutex);
}
@@ -2537,7 +2541,8 @@ static void mv88e6xxx_port_bridge_leave(struct dsa_switch *ds, int port)
for (i = 0; i < ps->info->num_ports; ++i)
if (i == port || ps->ports[i].bridge_dev == bridge)
if (_mv88e6xxx_port_based_vlan_map(ps, i))
- netdev_warn(ds->ports[i], "failed to remap\n");
+ netdev_warn(ds->ports[i].netdev,
+ "failed to remap\n");
mutex_unlock(&ps->smi_mutex);
}
diff --git a/include/net/dsa.h b/include/net/dsa.h
index 17c3d37b6779..9aed8572037c 100644
--- a/include/net/dsa.h
+++ b/include/net/dsa.h
@@ -119,6 +119,10 @@ struct dsa_switch_tree {
struct dsa_switch *ds[DSA_MAX_SWITCHES];
};
+struct dsa_port {
+ struct net_device *netdev;
+};
+
struct dsa_switch {
struct device *dev;
@@ -158,8 +162,8 @@ struct dsa_switch {
u32 dsa_port_mask;
u32 enabled_port_mask;
u32 phys_mii_mask;
+ struct dsa_port ports[DSA_MAX_PORTS];
struct mii_bus *slave_mii_bus;
- struct net_device *ports[DSA_MAX_PORTS];
};
static inline bool dsa_is_cpu_port(struct dsa_switch *ds, int p)
@@ -174,7 +178,7 @@ static inline bool dsa_is_dsa_port(struct dsa_switch *ds, int p)
static inline bool dsa_is_port_initialized(struct dsa_switch *ds, int p)
{
- return ds->enabled_port_mask & (1 << p) && ds->ports[p];
+ return ds->enabled_port_mask & (1 << p) && ds->ports[p].netdev;
}
static inline u8 dsa_upstream_port(struct dsa_switch *ds)
diff --git a/net/dsa/dsa.c b/net/dsa/dsa.c
index eff5dfc2e33f..18086e0cc617 100644
--- a/net/dsa/dsa.c
+++ b/net/dsa/dsa.c
@@ -437,10 +437,10 @@ static void dsa_switch_destroy(struct dsa_switch *ds)
if (!(ds->enabled_port_mask & (1 << port)))
continue;
- if (!ds->ports[port])
+ if (!ds->ports[port].netdev)
continue;
- dsa_slave_destroy(ds->ports[port]);
+ dsa_slave_destroy(ds->ports[port].netdev);
}
/* Remove any fixed link PHYs */
@@ -469,7 +469,7 @@ static int dsa_switch_suspend(struct dsa_switch *ds)
if (!dsa_is_port_initialized(ds, i))
continue;
- ret = dsa_slave_suspend(ds->ports[i]);
+ ret = dsa_slave_suspend(ds->ports[i].netdev);
if (ret)
return ret;
}
@@ -495,7 +495,7 @@ static int dsa_switch_resume(struct dsa_switch *ds)
if (!dsa_is_port_initialized(ds, i))
continue;
- ret = dsa_slave_resume(ds->ports[i]);
+ ret = dsa_slave_resume(ds->ports[i].netdev);
if (ret)
return ret;
}
diff --git a/net/dsa/slave.c b/net/dsa/slave.c
index f640a48a6ff3..169abacbc6ce 100644
--- a/net/dsa/slave.c
+++ b/net/dsa/slave.c
@@ -1183,12 +1183,12 @@ int dsa_slave_create(struct dsa_switch *ds, struct device *parent,
p->old_link = -1;
p->old_duplex = -1;
- ds->ports[port] = slave_dev;
+ ds->ports[port].netdev = slave_dev;
ret = register_netdev(slave_dev);
if (ret) {
netdev_err(master, "error %d registering interface %s\n",
ret, slave_dev->name);
- ds->ports[port] = NULL;
+ ds->ports[port].netdev = NULL;
free_netdev(slave_dev);
return ret;
}
diff --git a/net/dsa/tag_brcm.c b/net/dsa/tag_brcm.c
index e2aadb73111d..21bffde6e4bf 100644
--- a/net/dsa/tag_brcm.c
+++ b/net/dsa/tag_brcm.c
@@ -127,7 +127,7 @@ static int brcm_tag_rcv(struct sk_buff *skb, struct net_device *dev,
source_port = brcm_tag[3] & BRCM_EG_PID_MASK;
/* Validate port against switch setup, either the port is totally */
- if (source_port >= DSA_MAX_PORTS || ds->ports[source_port] == NULL)
+ if (source_port >= DSA_MAX_PORTS || !ds->ports[source_port].netdev)
goto out_drop;
/* Remove Broadcom tag and update checksum */
@@ -140,7 +140,7 @@ static int brcm_tag_rcv(struct sk_buff *skb, struct net_device *dev,
skb_push(skb, ETH_HLEN);
skb->pkt_type = PACKET_HOST;
- skb->dev = ds->ports[source_port];
+ skb->dev = ds->ports[source_port].netdev;
skb->protocol = eth_type_trans(skb, skb->dev);
skb->dev->stats.rx_packets++;
diff --git a/net/dsa/tag_dsa.c b/net/dsa/tag_dsa.c
index f9832f097681..bce79ffe342b 100644
--- a/net/dsa/tag_dsa.c
+++ b/net/dsa/tag_dsa.c
@@ -114,7 +114,7 @@ static int dsa_rcv(struct sk_buff *skb, struct net_device *dev,
if (!ds)
goto out_drop;
- if (source_port >= DSA_MAX_PORTS || ds->ports[source_port] == NULL)
+ if (source_port >= DSA_MAX_PORTS || !ds->ports[source_port].netdev)
goto out_drop;
/*
@@ -163,7 +163,7 @@ static int dsa_rcv(struct sk_buff *skb, struct net_device *dev,
2 * ETH_ALEN);
}
- skb->dev = ds->ports[source_port];
+ skb->dev = ds->ports[source_port].netdev;
skb_push(skb, ETH_HLEN);
skb->pkt_type = PACKET_HOST;
skb->protocol = eth_type_trans(skb, skb->dev);
diff --git a/net/dsa/tag_edsa.c b/net/dsa/tag_edsa.c
index 3890aac8190f..6c1720e88537 100644
--- a/net/dsa/tag_edsa.c
+++ b/net/dsa/tag_edsa.c
@@ -127,7 +127,7 @@ static int edsa_rcv(struct sk_buff *skb, struct net_device *dev,
if (!ds)
goto out_drop;
- if (source_port >= DSA_MAX_PORTS || ds->ports[source_port] == NULL)
+ if (source_port >= DSA_MAX_PORTS || !ds->ports[source_port].netdev)
goto out_drop;
/*
@@ -182,7 +182,7 @@ static int edsa_rcv(struct sk_buff *skb, struct net_device *dev,
2 * ETH_ALEN);
}
- skb->dev = ds->ports[source_port];
+ skb->dev = ds->ports[source_port].netdev;
skb_push(skb, ETH_HLEN);
skb->pkt_type = PACKET_HOST;
skb->protocol = eth_type_trans(skb, skb->dev);
diff --git a/net/dsa/tag_trailer.c b/net/dsa/tag_trailer.c
index b6ca0890d018..5e3903eb1afa 100644
--- a/net/dsa/tag_trailer.c
+++ b/net/dsa/tag_trailer.c
@@ -82,12 +82,12 @@ static int trailer_rcv(struct sk_buff *skb, struct net_device *dev,
goto out_drop;
source_port = trailer[1] & 7;
- if (source_port >= DSA_MAX_PORTS || ds->ports[source_port] == NULL)
+ if (source_port >= DSA_MAX_PORTS || !ds->ports[source_port].netdev)
goto out_drop;
pskb_trim_rcsum(skb, skb->len - 4);
- skb->dev = ds->ports[source_port];
+ skb->dev = ds->ports[source_port].netdev;
skb_push(skb, ETH_HLEN);
skb->pkt_type = PACKET_HOST;
skb->protocol = eth_type_trans(skb, skb->dev);
--
2.8.1
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