diff options
| author | Vipul Pandya <vipul@chelsio.com> | 2013-03-14 05:08:59 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2013-03-14 11:35:58 -0400 |
| commit | 3cbdb928e2ddd16649769c8597a3ebc06c7594fd (patch) | |
| tree | fd5297358dfcf186bec063508822dba78bf95be2 /drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c | |
| parent | f079af7a117504b5b307b727858c972261047907 (diff) | |
RDMA/cxgb4: Turn off db coalescing when RDMA QPs are in use.
Signed-off-by: Vipul Pandya <vipul@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c')
| -rw-r--r-- | drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c index a59bb231bea..e76cf035100 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c +++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c @@ -3397,6 +3397,25 @@ out: } EXPORT_SYMBOL(cxgb4_sync_txq_pidx); +void cxgb4_disable_db_coalescing(struct net_device *dev) +{ + struct adapter *adap; + + adap = netdev2adap(dev); + t4_set_reg_field(adap, A_SGE_DOORBELL_CONTROL, F_NOCOALESCE, + F_NOCOALESCE); +} +EXPORT_SYMBOL(cxgb4_disable_db_coalescing); + +void cxgb4_enable_db_coalescing(struct net_device *dev) +{ + struct adapter *adap; + + adap = netdev2adap(dev); + t4_set_reg_field(adap, A_SGE_DOORBELL_CONTROL, F_NOCOALESCE, 0); +} +EXPORT_SYMBOL(cxgb4_enable_db_coalescing); + static struct pci_driver cxgb4_driver; static void check_neigh_update(struct neighbour *neigh) |