diff options
| author | Jakub Kicinski <kuba@kernel.org> | 2022-11-18 01:19:14 +0100 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2022-11-18 03:30:39 +0100 |
| commit | 224b744abf9f0663ca6762a79c7298b663fa4f04 (patch) | |
| tree | 4f6a817547e7d0584d96cd539a3d63be75059cf1 /net/dsa/port.c | |
| parent | net: ethernet: renesas: Fix return type in rswitch_etha_wait_link_verification() (diff) | |
| parent | Merge tag 'net-6.1-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/netd... (diff) | |
| download | linux-224b744abf9f0663ca6762a79c7298b663fa4f04.tar.xz linux-224b744abf9f0663ca6762a79c7298b663fa4f04.zip | |
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/port.c')
| -rw-r--r-- | net/dsa/port.c | 16 |
1 files changed, 16 insertions, 0 deletions
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; |