diff options
| -rw-r--r-- | drivers/net/ethernet/broadcom/bnxt/bnxt.c | 25 | ||||
| -rw-r--r-- | drivers/net/ethernet/broadcom/bnxt/bnxt.h | 1 |
2 files changed, 22 insertions, 4 deletions
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c index 1f54a7acc3f7..98e948489700 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c @@ -2496,7 +2496,7 @@ void bnxt_set_ring_params(struct bnxt *bp) agg_factor = min_t(u32, 4, 65536 / BNXT_RX_PAGE_SIZE); bp->flags &= ~BNXT_FLAG_JUMBO; - if (rx_space > PAGE_SIZE) { + if (rx_space > PAGE_SIZE && !(bp->flags & BNXT_FLAG_NO_AGG_RINGS)) { u32 jumbo_factor; bp->flags |= BNXT_FLAG_JUMBO; @@ -6174,6 +6174,9 @@ static int bnxt_set_features(struct net_device *dev, netdev_features_t features) if (features & NETIF_F_LRO) flags |= BNXT_FLAG_LRO; + if (bp->flags & BNXT_FLAG_NO_AGG_RINGS) + flags &= ~BNXT_FLAG_TPA; + if (features & NETIF_F_HW_VLAN_CTAG_RX) flags |= BNXT_FLAG_STRIP_VLAN; @@ -7040,8 +7043,17 @@ static int bnxt_get_dflt_rings(struct bnxt *bp, int *max_rx, int *max_tx, int rc; rc = bnxt_get_max_rings(bp, max_rx, max_tx, shared); - if (rc) - return rc; + if (rc && (bp->flags & BNXT_FLAG_AGG_RINGS)) { + /* Not enough rings, try disabling agg rings. */ + bp->flags &= ~BNXT_FLAG_AGG_RINGS; + rc = bnxt_get_max_rings(bp, max_rx, max_tx, shared); + if (rc) + return rc; + bp->flags |= BNXT_FLAG_NO_AGG_RINGS; + bp->dev->hw_features &= ~NETIF_F_LRO; + bp->dev->features &= ~NETIF_F_LRO; + bnxt_set_ring_params(bp); + } if (bp->flags & BNXT_FLAG_ROCE_CAP) { int max_cp, max_stat, max_irq; @@ -7236,7 +7248,12 @@ static int bnxt_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) bnxt_set_tpa_flags(bp); bnxt_set_ring_params(bp); bnxt_set_max_func_irqs(bp, max_irqs); - bnxt_set_dflt_rings(bp); + rc = bnxt_set_dflt_rings(bp); + if (rc) { + netdev_err(bp->dev, "Not enough rings available.\n"); + rc = -ENOMEM; + goto init_err; + } /* Default RSS hash cfg. */ bp->rss_hash_cfg = VNIC_RSS_CFG_REQ_HASH_TYPE_IPV4 | diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.h b/drivers/net/ethernet/broadcom/bnxt/bnxt.h index d174729de761..f6b9b1c530fe 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt.h +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.h @@ -950,6 +950,7 @@ struct bnxt { #define BNXT_FLAG_ROCEV2_CAP 0x10000 #define BNXT_FLAG_ROCE_CAP (BNXT_FLAG_ROCEV1_CAP | \ BNXT_FLAG_ROCEV2_CAP) + #define BNXT_FLAG_NO_AGG_RINGS 0x20000 #define BNXT_FLAG_CHIP_NITRO_A0 0x1000000 #define BNXT_FLAG_ALL_CONFIG_FEATS (BNXT_FLAG_TPA | \ |