diff options
| author | Hariprasad Shenai <hariprasad@chelsio.com> | 2015-05-27 22:30:23 +0530 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2015-05-27 14:26:37 -0400 |
| commit | 5b377d114f2b9ceed97ed84ef32d2afededfcc31 (patch) | |
| tree | a5dac58d7fbe5f4c5b2d1703d0e3773f96f6be5f /drivers/net/ethernet/chelsio/cxgb4/sge.c | |
| parent | c6bfda8d72c485b2eee1642cbcbd92e3fbb93ed3 (diff) | |
| download | op-kernel-dev-5b377d114f2b9ceed97ed84ef32d2afededfcc31.zip op-kernel-dev-5b377d114f2b9ceed97ed84ef32d2afededfcc31.tar.gz | |
cxgb4: Add debugfs facility to inject FL starvation
Add debugfs entry to inject Freelist starvation, used only for debugging
purpose.
Signed-off-by: Hariprasad Shenai <hariprasad@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/chelsio/cxgb4/sge.c')
| -rw-r--r-- | drivers/net/ethernet/chelsio/cxgb4/sge.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/net/ethernet/chelsio/cxgb4/sge.c b/drivers/net/ethernet/chelsio/cxgb4/sge.c index dd18fcb..19886d5 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/sge.c +++ b/drivers/net/ethernet/chelsio/cxgb4/sge.c @@ -588,6 +588,11 @@ static unsigned int refill_fl(struct adapter *adap, struct sge_fl *q, int n, struct rx_sw_desc *sd = &q->sdesc[q->pidx]; int node; +#ifdef CONFIG_DEBUG_FS + if (test_bit(q->cntxt_id - adap->sge.egr_start, adap->sge.blocked_fl)) + goto out; +#endif + gfp |= __GFP_NOWARN; node = dev_to_node(adap->pdev_dev); |
