diff options
Diffstat (limited to 'drivers/net/ethernet/chelsio/cxgb4/l2t.c')
| -rw-r--r-- | drivers/net/ethernet/chelsio/cxgb4/l2t.c | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/drivers/net/ethernet/chelsio/cxgb4/l2t.c b/drivers/net/ethernet/chelsio/cxgb4/l2t.c index 1a16449e9deb..72b37a66c7d8 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/l2t.c +++ b/drivers/net/ethernet/chelsio/cxgb4/l2t.c @@ -59,7 +59,7 @@ struct l2t_data { rwlock_t lock; atomic_t nfree; /* number of free entries */ struct l2t_entry *rover; /* starting point for next allocation */ - struct l2t_entry l2tab[0]; /* MUST BE LAST */ + struct l2t_entry l2tab[]; /* MUST BE LAST */ }; static inline unsigned int vlan_prio(const struct l2t_entry *e) @@ -700,6 +700,17 @@ static char l2e_state(const struct l2t_entry *e) } } +bool cxgb4_check_l2t_valid(struct l2t_entry *e) +{ + bool valid; + + spin_lock(&e->lock); + valid = (e->state == L2T_STATE_VALID); + spin_unlock(&e->lock); + return valid; +} +EXPORT_SYMBOL(cxgb4_check_l2t_valid); + static int l2t_seq_show(struct seq_file *seq, void *v) { if (v == SEQ_START_TOKEN) |