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authorJakub Kicinski <kuba@kernel.org>2022-11-17 16:19:14 -0800
committerJakub Kicinski <kuba@kernel.org>2022-11-17 18:30:39 -0800
commit224b744abf9f0663ca6762a79c7298b663fa4f04 (patch)
tree4f6a817547e7d0584d96cd539a3d63be75059cf1 /net/dsa
parentb4b221bd79a1c698d9653e3ae2c3cb61cdc9aee7 (diff)
parent847ccab8fdcf4a0cd85a278480fab1ccdc9f6136 (diff)
downloadlinux-224b744abf9f0663ca6762a79c7298b663fa4f04.tar.bz2
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
include/linux/bpf.h 1f6e04a1c7b8 ("bpf: Fix offset calculation error in __copy_map_value and zero_map_value") aa3496accc41 ("bpf: Refactor kptr_off_tab into btf_record") f71b2f64177a ("bpf: Refactor map->off_arr handling") https://lore.kernel.org/all/20221114095000.67a73239@canb.auug.org.au/ Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'net/dsa')
-rw-r--r--net/dsa/dsa2.c10
-rw-r--r--net/dsa/dsa_priv.h1
-rw-r--r--net/dsa/master.c3
-rw-r--r--net/dsa/port.c16
4 files changed, 28 insertions, 2 deletions
diff --git a/net/dsa/dsa2.c b/net/dsa/dsa2.c
index b80dbd02e154..12145c852902 100644
--- a/net/dsa/dsa2.c
+++ b/net/dsa/dsa2.c
@@ -855,6 +855,14 @@ disconnect:
return err;
}
+static void dsa_switch_teardown_tag_protocol(struct dsa_switch *ds)
+{
+ const struct dsa_device_ops *tag_ops = ds->dst->tag_ops;
+
+ if (tag_ops->disconnect)
+ tag_ops->disconnect(ds);
+}
+
static int dsa_switch_setup(struct dsa_switch *ds)
{
struct dsa_devlink_priv *dl_priv;
@@ -944,6 +952,8 @@ static void dsa_switch_teardown(struct dsa_switch *ds)
ds->slave_mii_bus = NULL;
}
+ dsa_switch_teardown_tag_protocol(ds);
+
if (ds->ops->teardown)
ds->ops->teardown(ds);
diff --git a/net/dsa/dsa_priv.h b/net/dsa/dsa_priv.h
index 6e65c7ffd6f3..71e9707d11d4 100644
--- a/net/dsa/dsa_priv.h
+++ b/net/dsa/dsa_priv.h
@@ -210,6 +210,7 @@ static inline struct net_device *dsa_master_find_slave(struct net_device *dev,
extern struct rtnl_link_ops dsa_link_ops __read_mostly;
/* port.c */
+bool dsa_port_supports_hwtstamp(struct dsa_port *dp, struct ifreq *ifr);
void dsa_port_set_tag_protocol(struct dsa_port *cpu_dp,
const struct dsa_device_ops *tag_ops);
int dsa_port_set_state(struct dsa_port *dp, u8 state, bool do_fast_age);
diff --git a/net/dsa/master.c b/net/dsa/master.c
index 40367ab41cf8..421de166515f 100644
--- a/net/dsa/master.c
+++ b/net/dsa/master.c
@@ -204,8 +204,7 @@ static int dsa_master_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
* switch in the tree that is PTP capable.
*/
list_for_each_entry(dp, &dst->ports, list)
- if (dp->ds->ops->port_hwtstamp_get ||
- dp->ds->ops->port_hwtstamp_set)
+ if (dsa_port_supports_hwtstamp(dp, ifr))
return -EBUSY;
break;
}
diff --git a/net/dsa/port.c b/net/dsa/port.c
index 48c9eaa74aee..707bd854cea2 100644
--- a/net/dsa/port.c
+++ b/net/dsa/port.c
@@ -110,6 +110,22 @@ static bool dsa_port_can_configure_learning(struct dsa_port *dp)
return !err;
}
+bool dsa_port_supports_hwtstamp(struct dsa_port *dp, struct ifreq *ifr)
+{
+ struct dsa_switch *ds = dp->ds;
+ int err;
+
+ if (!ds->ops->port_hwtstamp_get || !ds->ops->port_hwtstamp_set)
+ return false;
+
+ /* "See through" shim implementations of the "get" method.
+ * This will clobber the ifreq structure, but we will either return an
+ * error, or the master will overwrite it with proper values.
+ */
+ err = ds->ops->port_hwtstamp_get(ds, dp->index, ifr);
+ return err != -EOPNOTSUPP;
+}
+
int dsa_port_set_state(struct dsa_port *dp, u8 state, bool do_fast_age)
{
struct dsa_switch *ds = dp->ds;