* [PATCH net-next 3/3] net: mscc: ocelot: move ocelot_port_private :: chip_port to ocelot_port :: index
2022-05-11 10:06 [PATCH net-next 0/3] Restructure struct ocelot_port Vladimir Oltean
2022-05-11 10:06 ` [PATCH net-next 1/3] net: mscc: ocelot: delete ocelot_port :: xmit_template Vladimir Oltean
2022-05-11 10:06 ` [PATCH net-next 2/3] net: mscc: ocelot: minimize holes in struct ocelot_port Vladimir Oltean
@ 2022-05-11 10:06 ` Vladimir Oltean
2022-05-12 23:50 ` [PATCH net-next 0/3] Restructure struct ocelot_port patchwork-bot+netdevbpf
3 siblings, 0 replies; 5+ messages in thread
From: Vladimir Oltean @ 2022-05-11 10:06 UTC (permalink / raw)
To: netdev
Cc: Jakub Kicinski, David S. Miller, Paolo Abeni, Eric Dumazet,
Florian Fainelli, Vivien Didelot, Andrew Lunn, Vladimir Oltean,
Claudiu Manoil, Alexandre Belloni, UNGLinuxDriver, Colin Foster
Currently the ocelot switch lib is unaware of the index of a struct
ocelot_port, since that is kept in the encapsulating structures of outer
drivers (struct dsa_port :: index, struct ocelot_port_private :: chip_port).
With the upcoming increase in complexity associated with assigning DSA
tag_8021q CPU ports to certain user ports, it becomes necessary for the
switch lib to be able to retrieve the index of a certain ocelot_port.
Therefore, introduce a new u8 to ocelot_port (same size as the chip_port
used by the ocelot switchdev driver) and rework the existing code to
populate and use it.
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
---
drivers/net/dsa/ocelot/felix.c | 1 +
drivers/net/ethernet/mscc/ocelot.h | 1 -
drivers/net/ethernet/mscc/ocelot_net.c | 76 +++++++++++++-------------
include/soc/mscc/ocelot.h | 2 +
4 files changed, 41 insertions(+), 39 deletions(-)
diff --git a/drivers/net/dsa/ocelot/felix.c b/drivers/net/dsa/ocelot/felix.c
index beac90bc642c..d38258a39d07 100644
--- a/drivers/net/dsa/ocelot/felix.c
+++ b/drivers/net/dsa/ocelot/felix.c
@@ -1249,6 +1249,7 @@ static int felix_init_structs(struct felix *felix, int num_phys_ports)
ocelot_port->phy_mode = port_phy_modes[port];
ocelot_port->ocelot = ocelot;
ocelot_port->target = target;
+ ocelot_port->index = port;
ocelot->ports[port] = ocelot_port;
}
diff --git a/drivers/net/ethernet/mscc/ocelot.h b/drivers/net/ethernet/mscc/ocelot.h
index d0fa8ab6cc81..6d65cc87d757 100644
--- a/drivers/net/ethernet/mscc/ocelot.h
+++ b/drivers/net/ethernet/mscc/ocelot.h
@@ -48,7 +48,6 @@ struct ocelot_port_private {
struct net_device *dev;
struct phylink *phylink;
struct phylink_config phylink_config;
- u8 chip_port;
struct ocelot_port_tc tc;
};
diff --git a/drivers/net/ethernet/mscc/ocelot_net.c b/drivers/net/ethernet/mscc/ocelot_net.c
index 616d8127ef51..be168a372498 100644
--- a/drivers/net/ethernet/mscc/ocelot_net.c
+++ b/drivers/net/ethernet/mscc/ocelot_net.c
@@ -191,7 +191,7 @@ static struct devlink_port *ocelot_get_devlink_port(struct net_device *dev)
{
struct ocelot_port_private *priv = netdev_priv(dev);
struct ocelot *ocelot = priv->port.ocelot;
- int port = priv->chip_port;
+ int port = priv->port.index;
return &ocelot->devlink_ports[port];
}
@@ -201,7 +201,7 @@ int ocelot_setup_tc_cls_flower(struct ocelot_port_private *priv,
bool ingress)
{
struct ocelot *ocelot = priv->port.ocelot;
- int port = priv->chip_port;
+ int port = priv->port.index;
if (!ingress)
return -EOPNOTSUPP;
@@ -226,7 +226,7 @@ static int ocelot_setup_tc_cls_matchall_police(struct ocelot_port_private *priv,
struct flow_action_entry *action = &f->rule->action.entries[0];
struct ocelot *ocelot = priv->port.ocelot;
struct ocelot_policer pol = { 0 };
- int port = priv->chip_port;
+ int port = priv->port.index;
int err;
if (!ingress) {
@@ -288,8 +288,8 @@ static int ocelot_setup_tc_cls_matchall_mirred(struct ocelot_port_private *priv,
other_priv = netdev_priv(a->dev);
- err = ocelot_port_mirror_add(ocelot, priv->chip_port,
- other_priv->chip_port, ingress, extack);
+ err = ocelot_port_mirror_add(ocelot, priv->port.index,
+ other_priv->port.index, ingress, extack);
if (err)
return err;
@@ -306,7 +306,7 @@ static int ocelot_del_tc_cls_matchall_police(struct ocelot_port_private *priv,
struct netlink_ext_ack *extack)
{
struct ocelot *ocelot = priv->port.ocelot;
- int port = priv->chip_port;
+ int port = priv->port.index;
int err;
err = ocelot_port_policer_del(ocelot, port);
@@ -327,7 +327,7 @@ static int ocelot_del_tc_cls_matchall_mirred(struct ocelot_port_private *priv,
struct netlink_ext_ack *extack)
{
struct ocelot *ocelot = priv->port.ocelot;
- int port = priv->chip_port;
+ int port = priv->port.index;
ocelot_port_mirror_del(ocelot, port, ingress);
@@ -497,7 +497,7 @@ static int ocelot_vlan_vid_add(struct net_device *dev, u16 vid, bool pvid,
struct ocelot_port_private *priv = netdev_priv(dev);
struct ocelot_port *ocelot_port = &priv->port;
struct ocelot *ocelot = ocelot_port->ocelot;
- int port = priv->chip_port;
+ int port = priv->port.index;
int ret;
ret = ocelot_vlan_add(ocelot, port, vid, pvid, untagged);
@@ -515,7 +515,7 @@ static int ocelot_vlan_vid_del(struct net_device *dev, u16 vid)
{
struct ocelot_port_private *priv = netdev_priv(dev);
struct ocelot *ocelot = priv->port.ocelot;
- int port = priv->chip_port;
+ int port = priv->port.index;
int ret;
/* 8021q removes VID 0 on module unload for all interfaces
@@ -558,7 +558,7 @@ static netdev_tx_t ocelot_port_xmit(struct sk_buff *skb, struct net_device *dev)
struct ocelot_port_private *priv = netdev_priv(dev);
struct ocelot_port *ocelot_port = &priv->port;
struct ocelot *ocelot = ocelot_port->ocelot;
- int port = priv->chip_port;
+ int port = priv->port.index;
u32 rew_op = 0;
if (!static_branch_unlikely(&ocelot_fdma_enabled) &&
@@ -724,7 +724,7 @@ static void ocelot_get_stats64(struct net_device *dev,
{
struct ocelot_port_private *priv = netdev_priv(dev);
struct ocelot *ocelot = priv->port.ocelot;
- int port = priv->chip_port;
+ int port = priv->port.index;
/* Configure the port to read the stats from */
ocelot_write(ocelot, SYS_STAT_CFG_STAT_VIEW(port),
@@ -767,7 +767,7 @@ static int ocelot_port_fdb_add(struct ndmsg *ndm, struct nlattr *tb[],
struct ocelot_port_private *priv = netdev_priv(dev);
struct ocelot_port *ocelot_port = &priv->port;
struct ocelot *ocelot = ocelot_port->ocelot;
- int port = priv->chip_port;
+ int port = priv->port.index;
return ocelot_fdb_add(ocelot, port, addr, vid, ocelot_port->bridge);
}
@@ -780,7 +780,7 @@ static int ocelot_port_fdb_del(struct ndmsg *ndm, struct nlattr *tb[],
struct ocelot_port_private *priv = netdev_priv(dev);
struct ocelot_port *ocelot_port = &priv->port;
struct ocelot *ocelot = ocelot_port->ocelot;
- int port = priv->chip_port;
+ int port = priv->port.index;
return ocelot_fdb_del(ocelot, port, addr, vid, ocelot_port->bridge);
}
@@ -798,7 +798,7 @@ static int ocelot_port_fdb_dump(struct sk_buff *skb,
.cb = cb,
.idx = *idx,
};
- int port = priv->chip_port;
+ int port = priv->port.index;
int ret;
ret = ocelot_fdb_dump(ocelot, port, ocelot_port_fdb_do_dump, &dump);
@@ -840,7 +840,7 @@ static int ocelot_set_features(struct net_device *dev,
netdev_features_t changed = dev->features ^ features;
struct ocelot_port_private *priv = netdev_priv(dev);
struct ocelot *ocelot = priv->port.ocelot;
- int port = priv->chip_port;
+ int port = priv->port.index;
if ((dev->features & NETIF_F_HW_TC) > (features & NETIF_F_HW_TC) &&
priv->tc.offload_cnt) {
@@ -859,7 +859,7 @@ static int ocelot_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
{
struct ocelot_port_private *priv = netdev_priv(dev);
struct ocelot *ocelot = priv->port.ocelot;
- int port = priv->chip_port;
+ int port = priv->port.index;
/* If the attached PHY device isn't capable of timestamping operations,
* use our own (when possible).
@@ -882,7 +882,7 @@ static int ocelot_change_mtu(struct net_device *dev, int new_mtu)
struct ocelot_port *ocelot_port = &priv->port;
struct ocelot *ocelot = ocelot_port->ocelot;
- ocelot_port_set_maxlen(ocelot, priv->chip_port, new_mtu);
+ ocelot_port_set_maxlen(ocelot, priv->port.index, new_mtu);
WRITE_ONCE(dev->mtu, new_mtu);
return 0;
@@ -935,7 +935,7 @@ int ocelot_netdev_to_port(struct net_device *dev)
priv = netdev_priv(dev);
- return priv->chip_port;
+ return priv->port.index;
}
static void ocelot_port_get_strings(struct net_device *netdev, u32 sset,
@@ -943,7 +943,7 @@ static void ocelot_port_get_strings(struct net_device *netdev, u32 sset,
{
struct ocelot_port_private *priv = netdev_priv(netdev);
struct ocelot *ocelot = priv->port.ocelot;
- int port = priv->chip_port;
+ int port = priv->port.index;
ocelot_get_strings(ocelot, port, sset, data);
}
@@ -954,7 +954,7 @@ static void ocelot_port_get_ethtool_stats(struct net_device *dev,
{
struct ocelot_port_private *priv = netdev_priv(dev);
struct ocelot *ocelot = priv->port.ocelot;
- int port = priv->chip_port;
+ int port = priv->port.index;
ocelot_get_ethtool_stats(ocelot, port, data);
}
@@ -963,7 +963,7 @@ static int ocelot_port_get_sset_count(struct net_device *dev, int sset)
{
struct ocelot_port_private *priv = netdev_priv(dev);
struct ocelot *ocelot = priv->port.ocelot;
- int port = priv->chip_port;
+ int port = priv->port.index;
return ocelot_get_sset_count(ocelot, port, sset);
}
@@ -973,7 +973,7 @@ static int ocelot_port_get_ts_info(struct net_device *dev,
{
struct ocelot_port_private *priv = netdev_priv(dev);
struct ocelot *ocelot = priv->port.ocelot;
- int port = priv->chip_port;
+ int port = priv->port.index;
if (!ocelot->ptp)
return ethtool_op_get_ts_info(dev, info);
@@ -1025,7 +1025,7 @@ static int ocelot_port_attr_set(struct net_device *dev, const void *ctx,
{
struct ocelot_port_private *priv = netdev_priv(dev);
struct ocelot *ocelot = priv->port.ocelot;
- int port = priv->chip_port;
+ int port = priv->port.index;
int err = 0;
if (ctx && ctx != priv)
@@ -1066,7 +1066,7 @@ static int ocelot_vlan_vid_prepare(struct net_device *dev, u16 vid, bool pvid,
struct ocelot_port_private *priv = netdev_priv(dev);
struct ocelot_port *ocelot_port = &priv->port;
struct ocelot *ocelot = ocelot_port->ocelot;
- int port = priv->chip_port;
+ int port = priv->port.index;
return ocelot_vlan_prepare(ocelot, port, vid, pvid, untagged, extack);
}
@@ -1092,7 +1092,7 @@ static int ocelot_port_obj_add_mdb(struct net_device *dev,
struct ocelot_port_private *priv = netdev_priv(dev);
struct ocelot_port *ocelot_port = &priv->port;
struct ocelot *ocelot = ocelot_port->ocelot;
- int port = priv->chip_port;
+ int port = priv->port.index;
return ocelot_port_mdb_add(ocelot, port, mdb, ocelot_port->bridge);
}
@@ -1103,7 +1103,7 @@ static int ocelot_port_obj_del_mdb(struct net_device *dev,
struct ocelot_port_private *priv = netdev_priv(dev);
struct ocelot_port *ocelot_port = &priv->port;
struct ocelot *ocelot = ocelot_port->ocelot;
- int port = priv->chip_port;
+ int port = priv->port.index;
return ocelot_port_mdb_del(ocelot, port, mdb, ocelot_port->bridge);
}
@@ -1114,7 +1114,7 @@ static int ocelot_port_obj_mrp_add(struct net_device *dev,
struct ocelot_port_private *priv = netdev_priv(dev);
struct ocelot_port *ocelot_port = &priv->port;
struct ocelot *ocelot = ocelot_port->ocelot;
- int port = priv->chip_port;
+ int port = priv->port.index;
return ocelot_mrp_add(ocelot, port, mrp);
}
@@ -1125,7 +1125,7 @@ static int ocelot_port_obj_mrp_del(struct net_device *dev,
struct ocelot_port_private *priv = netdev_priv(dev);
struct ocelot_port *ocelot_port = &priv->port;
struct ocelot *ocelot = ocelot_port->ocelot;
- int port = priv->chip_port;
+ int port = priv->port.index;
return ocelot_mrp_del(ocelot, port, mrp);
}
@@ -1137,7 +1137,7 @@ ocelot_port_obj_mrp_add_ring_role(struct net_device *dev,
struct ocelot_port_private *priv = netdev_priv(dev);
struct ocelot_port *ocelot_port = &priv->port;
struct ocelot *ocelot = ocelot_port->ocelot;
- int port = priv->chip_port;
+ int port = priv->port.index;
return ocelot_mrp_add_ring_role(ocelot, port, mrp);
}
@@ -1149,7 +1149,7 @@ ocelot_port_obj_mrp_del_ring_role(struct net_device *dev,
struct ocelot_port_private *priv = netdev_priv(dev);
struct ocelot_port *ocelot_port = &priv->port;
struct ocelot *ocelot = ocelot_port->ocelot;
- int port = priv->chip_port;
+ int port = priv->port.index;
return ocelot_mrp_del_ring_role(ocelot, port, mrp);
}
@@ -1314,7 +1314,7 @@ static int ocelot_netdevice_bridge_join(struct net_device *dev,
struct ocelot_port_private *priv = netdev_priv(dev);
struct ocelot_port *ocelot_port = &priv->port;
struct ocelot *ocelot = ocelot_port->ocelot;
- int port = priv->chip_port;
+ int port = priv->port.index;
int bridge_num, err;
bridge_num = ocelot_bridge_num_get(ocelot, bridge);
@@ -1366,7 +1366,7 @@ static int ocelot_netdevice_bridge_leave(struct net_device *dev,
struct ocelot_port *ocelot_port = &priv->port;
struct ocelot *ocelot = ocelot_port->ocelot;
int bridge_num = ocelot_port->bridge_num;
- int port = priv->chip_port;
+ int port = priv->port.index;
int err;
err = ocelot_switchdev_unsync(ocelot, port);
@@ -1388,7 +1388,7 @@ static int ocelot_netdevice_lag_join(struct net_device *dev,
struct ocelot_port *ocelot_port = &priv->port;
struct ocelot *ocelot = ocelot_port->ocelot;
struct net_device *bridge_dev;
- int port = priv->chip_port;
+ int port = priv->port.index;
int err;
err = ocelot_port_lag_join(ocelot, port, bond, info);
@@ -1431,7 +1431,7 @@ static int ocelot_netdevice_lag_leave(struct net_device *dev,
struct ocelot_port *ocelot_port = &priv->port;
struct ocelot *ocelot = ocelot_port->ocelot;
struct net_device *bridge_dev;
- int port = priv->chip_port;
+ int port = priv->port.index;
ocelot_port_lag_leave(ocelot, port, bond);
@@ -1545,7 +1545,7 @@ ocelot_netdevice_changelowerstate(struct net_device *dev,
bool is_active = info->link_up && info->tx_enabled;
struct ocelot_port *ocelot_port = &priv->port;
struct ocelot *ocelot = ocelot_port->ocelot;
- int port = priv->chip_port;
+ int port = priv->port.index;
if (!ocelot_port->bond)
return NOTIFY_DONE;
@@ -1693,7 +1693,7 @@ static void vsc7514_phylink_mac_link_down(struct phylink_config *config,
struct net_device *ndev = to_net_dev(config->dev);
struct ocelot_port_private *priv = netdev_priv(ndev);
struct ocelot *ocelot = priv->port.ocelot;
- int port = priv->chip_port;
+ int port = priv->port.index;
ocelot_phylink_mac_link_down(ocelot, port, link_an_mode, interface,
OCELOT_MAC_QUIRKS);
@@ -1709,7 +1709,7 @@ static void vsc7514_phylink_mac_link_up(struct phylink_config *config,
struct net_device *ndev = to_net_dev(config->dev);
struct ocelot_port_private *priv = netdev_priv(ndev);
struct ocelot *ocelot = priv->port.ocelot;
- int port = priv->chip_port;
+ int port = priv->port.index;
ocelot_phylink_mac_link_up(ocelot, port, phydev, link_an_mode,
interface, speed, duplex,
@@ -1823,9 +1823,9 @@ int ocelot_probe_port(struct ocelot *ocelot, int port, struct regmap *target,
SET_NETDEV_DEV(dev, ocelot->dev);
priv = netdev_priv(dev);
priv->dev = dev;
- priv->chip_port = port;
ocelot_port = &priv->port;
ocelot_port->ocelot = ocelot;
+ ocelot_port->index = port;
ocelot_port->target = target;
ocelot->ports[port] = ocelot_port;
diff --git a/include/soc/mscc/ocelot.h b/include/soc/mscc/ocelot.h
index 904c15ca145e..3b8c5a54fb00 100644
--- a/include/soc/mscc/ocelot.h
+++ b/include/soc/mscc/ocelot.h
@@ -675,6 +675,8 @@ struct ocelot_port {
u8 ptp_cmd;
u8 ts_id;
+ u8 index;
+
u8 stp_state;
bool vlan_aware;
bool is_dsa_8021q_cpu;
--
2.25.1
^ permalink raw reply related [flat|nested] 5+ messages in thread