diff options
| -rw-r--r-- | drivers/net/ethernet/chelsio/cxgb4/sge.c | 9 | ||||
| -rw-r--r-- | drivers/net/ethernet/chelsio/cxgb4vf/sge.c | 6 |
2 files changed, 14 insertions, 1 deletions
diff --git a/drivers/net/ethernet/chelsio/cxgb4/sge.c b/drivers/net/ethernet/chelsio/cxgb4/sge.c index 0d2eddab04ef..517d5b4ea11b 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/sge.c +++ b/drivers/net/ethernet/chelsio/cxgb4/sge.c @@ -2473,6 +2473,15 @@ int t4_sge_alloc_rxq(struct adapter *adap, struct sge_rspq *iq, bool fwevtq, c.iqaddr = cpu_to_be64(iq->phys_addr); if (fl) { + /* Allocate the ring for the hardware free list (with space + * for its status page) along with the associated software + * descriptor ring. The free list size needs to be a multiple + * of the Egress Queue Unit and at least 2 Egress Units larger + * than the SGE's Egress Congrestion Threshold + * (fl_starve_thres - 1). + */ + if (fl->size < s->fl_starve_thres - 1 + 2 * 8) + fl->size = s->fl_starve_thres - 1 + 2 * 8; fl->size = roundup(fl->size, 8); fl->desc = alloc_ring(adap->pdev_dev, fl->size, sizeof(__be64), sizeof(struct rx_sw_desc), &fl->addr, diff --git a/drivers/net/ethernet/chelsio/cxgb4vf/sge.c b/drivers/net/ethernet/chelsio/cxgb4vf/sge.c index 482f6de6817d..cc92c6984737 100644 --- a/drivers/net/ethernet/chelsio/cxgb4vf/sge.c +++ b/drivers/net/ethernet/chelsio/cxgb4vf/sge.c @@ -2243,8 +2243,12 @@ int t4vf_sge_alloc_rxq(struct adapter *adapter, struct sge_rspq *rspq, * Allocate the ring for the hardware free list (with space * for its status page) along with the associated software * descriptor ring. The free list size needs to be a multiple - * of the Egress Queue Unit. + * of the Egress Queue Unit and at least 2 Egress Units larger + * than the SGE's Egress Congrestion Threshold + * (fl_starve_thres - 1). */ + if (fl->size < s->fl_starve_thres - 1 + 2 * FL_PER_EQ_UNIT) + fl->size = s->fl_starve_thres - 1 + 2 * FL_PER_EQ_UNIT; fl->size = roundup(fl->size, FL_PER_EQ_UNIT); fl->desc = alloc_ring(adapter->pdev_dev, fl->size, sizeof(__be64), sizeof(struct rx_sw_desc), |