diff options
| author | Vipul Pandya <vipul@chelsio.com> | 2012-05-18 15:29:24 +0530 |
|---|---|---|
| committer | Roland Dreier <roland@purestorage.com> | 2012-05-18 13:22:25 -0700 |
| commit | 881806bc155c0d5d78196c8bfae0ea2e76ae7386 (patch) | |
| tree | 20ac25b6859424a3bed1c4d64664d9264a013056 /drivers/net/ethernet/chelsio/cxgb4/sge.c | |
| parent | 14b9222808bb8bfefc71f72bc0dbdcf3b2f0140f (diff) | |
| download | lwn-881806bc155c0d5d78196c8bfae0ea2e76ae7386.tar.gz lwn-881806bc155c0d5d78196c8bfae0ea2e76ae7386.zip | |
cxgb4: Detect DB FULL events and notify RDMA ULD
Signed-off-by: Vipul Pandya <vipul@chelsio.com>
Signed-off-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
Diffstat (limited to 'drivers/net/ethernet/chelsio/cxgb4/sge.c')
| -rw-r--r-- | drivers/net/ethernet/chelsio/cxgb4/sge.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/net/ethernet/chelsio/cxgb4/sge.c b/drivers/net/ethernet/chelsio/cxgb4/sge.c index 2dae7959f000..234c157a4879 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/sge.c +++ b/drivers/net/ethernet/chelsio/cxgb4/sge.c @@ -2415,6 +2415,12 @@ void t4_sge_init(struct adapter *adap) RXPKTCPLMODE | (STAT_LEN == 128 ? EGRSTATUSPAGESIZE : 0)); + t4_set_reg_field(adap, A_SGE_DBFIFO_STATUS, + V_HP_INT_THRESH(5) | V_LP_INT_THRESH(5), + V_HP_INT_THRESH(5) | V_LP_INT_THRESH(5)); + t4_set_reg_field(adap, A_SGE_DOORBELL_CONTROL, F_ENABLE_DROP, + F_ENABLE_DROP); + for (i = v = 0; i < 32; i += 4) v |= (PAGE_SHIFT - 10) << i; t4_write_reg(adap, SGE_HOST_PAGE_SIZE, v); |