diff options
| author | Tobias Waldekranz <tobias@waldekranz.com> | 2021-01-15 13:52:59 +0100 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2021-01-15 16:08:51 -0800 |
| commit | b80dc51b72e29318e02baace1e3c4cfe6e772904 (patch) | |
| tree | 3576d4686b95e9b42c4b063d24ed82eb839c48f3 /drivers/net/dsa/mv88e6xxx/chip.h | |
| parent | d38001d30d47051eec265d68378abca7f5109e97 (diff) | |
net: dsa: mv88e6xxx: Only allow LAG offload on supported hardware
There are chips that do have Global 2 registers, and therefore trunk
mapping/mask tables are not available. Refuse the offload as early as
possible on those devices.
Fixes: 57e661aae6a8 ("net: dsa: mv88e6xxx: Link aggregation support")
Signed-off-by: Tobias Waldekranz <tobias@waldekranz.com>
Reviewed-by: Vladimir Oltean <olteanv@gmail.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'drivers/net/dsa/mv88e6xxx/chip.h')
| -rw-r--r-- | drivers/net/dsa/mv88e6xxx/chip.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/net/dsa/mv88e6xxx/chip.h b/drivers/net/dsa/mv88e6xxx/chip.h index 3543055bcb51..788b3f585ef3 100644 --- a/drivers/net/dsa/mv88e6xxx/chip.h +++ b/drivers/net/dsa/mv88e6xxx/chip.h @@ -662,6 +662,11 @@ static inline bool mv88e6xxx_has_pvt(struct mv88e6xxx_chip *chip) return chip->info->pvt; } +static inline bool mv88e6xxx_has_lag(struct mv88e6xxx_chip *chip) +{ + return !!chip->info->global2_addr; +} + static inline unsigned int mv88e6xxx_num_databases(struct mv88e6xxx_chip *chip) { return chip->info->num_databases; |