diff options
| -rw-r--r-- | drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c | 32 | ||||
| -rw-r--r-- | drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.h | 9 | ||||
| -rw-r--r-- | drivers/net/ethernet/chelsio/cxgb4/t4_regs.h | 1 |
3 files changed, 36 insertions, 6 deletions
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c index 27e87b6baa45..df6cba1a6546 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c +++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c @@ -1654,20 +1654,25 @@ static void process_tid_release_list(struct work_struct *work) */ void cxgb4_remove_tid(struct tid_info *t, unsigned int chan, unsigned int tid) { - void *old; struct sk_buff *skb; struct adapter *adap = container_of(t, struct adapter, tids); - old = t->tid_tab[tid]; + WARN_ON(tid >= t->ntids); + + if (t->tid_tab[tid]) { + t->tid_tab[tid] = NULL; + if (t->hash_base && (tid >= t->hash_base)) + atomic_dec(&t->hash_tids_in_use); + else + atomic_dec(&t->tids_in_use); + } + skb = alloc_skb(sizeof(struct cpl_tid_release), GFP_ATOMIC); if (likely(skb)) { - t->tid_tab[tid] = NULL; mk_tid_release(skb, chan, tid); t4_ofld_send(adap, skb); } else cxgb4_queue_tid_release(t, chan, tid); - if (old) - atomic_dec(&t->tids_in_use); } EXPORT_SYMBOL(cxgb4_remove_tid); @@ -1705,6 +1710,7 @@ static int tid_init(struct tid_info *t) t->afree = NULL; t->atids_in_use = 0; atomic_set(&t->tids_in_use, 0); + atomic_set(&t->hash_tids_in_use, 0); /* Setup the free list for atid_tab and clear the stid bitmap. */ if (natids) { @@ -4814,6 +4820,22 @@ static int init_one(struct pci_dev *pdev, const struct pci_device_id *ent) adapter->params.offload = 0; } + if (is_offload(adapter)) { + if (t4_read_reg(adapter, LE_DB_CONFIG_A) & HASHEN_F) { + u32 hash_base, hash_reg; + + if (chip <= CHELSIO_T5) { + hash_reg = LE_DB_TID_HASHBASE_A; + hash_base = t4_read_reg(adapter, hash_reg); + adapter->tids.hash_base = hash_base / 4; + } else { + hash_reg = T6_LE_DB_HASH_TID_BASE_A; + hash_base = t4_read_reg(adapter, hash_reg); + adapter->tids.hash_base = hash_base; + } + } + } + /* See what interrupts we'll be using */ if (msi > 1 && enable_msix(adapter) == 0) adapter->flags |= USING_MSIX; diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.h b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.h index b27897d4f787..f61fed12eeae 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.h +++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.h @@ -96,6 +96,7 @@ struct tid_info { unsigned long *stid_bmap; unsigned int nstids; unsigned int stid_base; + unsigned int hash_base; union aopen_entry *atid_tab; unsigned int natids; @@ -117,7 +118,10 @@ struct tid_info { spinlock_t stid_lock; unsigned int stids_in_use; + /* TIDs in the TCAM */ atomic_t tids_in_use; + /* TIDs in the HASH */ + atomic_t hash_tids_in_use; }; static inline void *lookup_tid(const struct tid_info *t, unsigned int tid) @@ -147,7 +151,10 @@ static inline void cxgb4_insert_tid(struct tid_info *t, void *data, unsigned int tid) { t->tid_tab[tid] = data; - atomic_inc(&t->tids_in_use); + if (t->hash_base && (tid >= t->hash_base)) + atomic_inc(&t->hash_tids_in_use); + else + atomic_inc(&t->tids_in_use); } int cxgb4_alloc_atid(struct tid_info *t, void *data); diff --git a/drivers/net/ethernet/chelsio/cxgb4/t4_regs.h b/drivers/net/ethernet/chelsio/cxgb4/t4_regs.h index e444dc4ebbd8..365ebd5dfb46 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/t4_regs.h +++ b/drivers/net/ethernet/chelsio/cxgb4/t4_regs.h @@ -2736,6 +2736,7 @@ #define LE_DB_HASH_TBL_BASE_ADDR_A 0x19c30 #define LE_DB_INT_CAUSE_A 0x19c3c #define LE_DB_TID_HASHBASE_A 0x19df8 +#define T6_LE_DB_HASH_TID_BASE_A 0x19df8 #define HASHEN_S 20 #define HASHEN_V(x) ((x) << HASHEN_S) |