diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c index 4f7b2316bb52..f9569493034b 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c @@ -2496,7 +2496,7 @@ static void bnxt_free_mem(struct bnxt *bp, bool irq_re_init) static int bnxt_alloc_mem(struct bnxt *bp, bool irq_re_init) { - int i, rc, size, arr_size; + int i, j, rc, size, arr_size; void *bnapi; if (irq_re_init) { @@ -2535,9 +2535,14 @@ static int bnxt_alloc_mem(struct bnxt *bp, bool irq_re_init) if (!bp->tx_ring) return -ENOMEM; - for (i = 0; i < bp->tx_nr_rings; i++) { - bp->tx_ring[i].bnapi = bp->bnapi[i]; - bp->bnapi[i]->tx_ring = &bp->tx_ring[i]; + if (bp->flags & BNXT_FLAG_SHARED_RINGS) + j = 0; + else + j = bp->rx_nr_rings; + + for (i = 0; i < bp->tx_nr_rings; i++, j++) { + bp->tx_ring[i].bnapi = bp->bnapi[j]; + bp->bnapi[j]->tx_ring = &bp->tx_ring[i]; } rc = bnxt_alloc_stats(bp); @@ -4066,7 +4071,7 @@ static int bnxt_setup_msix(struct bnxt *bp) { struct msix_entry *msix_ent; struct net_device *dev = bp->dev; - int i, total_vecs, rc = 0; + int i, total_vecs, rc = 0, min = 1; const int len = sizeof(bp->irq_tbl[0].name); bp->flags &= ~BNXT_FLAG_USING_MSIX; @@ -4081,7 +4086,10 @@ static int bnxt_setup_msix(struct bnxt *bp) msix_ent[i].vector = 0; } - total_vecs = pci_enable_msix_range(bp->pdev, msix_ent, 1, total_vecs); + if (!(bp->flags & BNXT_FLAG_SHARED_RINGS)) + min = 2; + + total_vecs = pci_enable_msix_range(bp->pdev, msix_ent, min, total_vecs); if (total_vecs < 0) { rc = -ENODEV; goto msix_setup_exit; @@ -4093,7 +4101,7 @@ static int bnxt_setup_msix(struct bnxt *bp) /* Trim rings based upon num of vectors allocated */ rc = bnxt_trim_rings(bp, &bp->rx_nr_rings, &bp->tx_nr_rings, - total_vecs, true); + total_vecs, min == 1); if (rc) goto msix_setup_exit; @@ -4115,12 +4123,21 @@ static int bnxt_setup_msix(struct bnxt *bp) } } } - bp->cp_nr_rings = max_t(int, bp->rx_nr_rings, bp->tx_nr_rings); + bp->cp_nr_rings = total_vecs; for (i = 0; i < bp->cp_nr_rings; i++) { + char *attr; + bp->irq_tbl[i].vector = msix_ent[i].vector; + if (bp->flags & BNXT_FLAG_SHARED_RINGS) + attr = "TxRx"; + else if (i < bp->rx_nr_rings) + attr = "rx"; + else + attr = "tx"; + snprintf(bp->irq_tbl[i].name, len, - "%s-%s-%d", dev->name, "TxRx", i); + "%s-%s-%d", dev->name, attr, i); bp->irq_tbl[i].handler = bnxt_msix; } rc = bnxt_set_real_num_queues(bp); @@ -4158,6 +4175,7 @@ static int bnxt_setup_inta(struct bnxt *bp) bp->tx_nr_rings = 1; bp->cp_nr_rings = 1; bp->tx_nr_rings_per_tc = bp->tx_nr_rings; + bp->flags |= BNXT_FLAG_SHARED_RINGS; bp->irq_tbl[0].vector = bp->pdev->irq; snprintf(bp->irq_tbl[0].name, len, "%s-%s-%d", bp->dev->name, "TxRx", 0); @@ -5365,8 +5383,12 @@ static int bnxt_setup_tc(struct net_device *dev, u8 tc) if (tc) { int max_rx_rings, max_tx_rings, rc; + bool sh = false; - rc = bnxt_get_max_rings(bp, &max_rx_rings, &max_tx_rings, true); + if (bp->flags & BNXT_FLAG_SHARED_RINGS) + sh = true; + + rc = bnxt_get_max_rings(bp, &max_rx_rings, &max_tx_rings, sh); if (rc || bp->tx_nr_rings_per_tc * tc > max_tx_rings) return -ENOMEM; }