diff options
Diffstat (limited to 'drivers/net/ethernet/broadcom/bnxt/bnxt.c')
| -rw-r--r-- | drivers/net/ethernet/broadcom/bnxt/bnxt.c | 31 |
1 files changed, 29 insertions, 2 deletions
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c index 8c8ef6b6ca91..041b800e6734 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c @@ -4720,6 +4720,21 @@ static int bnxt_hwrm_reserve_rings(struct bnxt *bp, int tx, int rx, int grp, return bnxt_hwrm_reserve_vf_rings(bp, tx, rx, grp, cp, vnic); } +static int bnxt_cp_rings_in_use(struct bnxt *bp) +{ + int cp = bp->cp_nr_rings; + int ulp_msix, ulp_base; + + ulp_msix = bnxt_get_ulp_msix_num(bp); + if (ulp_msix) { + ulp_base = bnxt_get_ulp_msix_base(bp); + cp += ulp_msix; + if ((ulp_base + ulp_msix) > cp) + cp = ulp_base + ulp_msix; + } + return cp; +} + static int bnxt_trim_rings(struct bnxt *bp, int *rx, int *tx, int max, bool shared); @@ -5893,12 +5908,24 @@ void bnxt_set_max_func_irqs(struct bnxt *bp, unsigned int max_irqs) bp->hw_resc.max_irqs = max_irqs; } +static int bnxt_get_num_msix(struct bnxt *bp) +{ + if (!(bp->flags & BNXT_FLAG_NEW_RM)) + return bnxt_get_max_func_irqs(bp); + + return bnxt_cp_rings_in_use(bp); +} + static int bnxt_init_msix(struct bnxt *bp) { - int i, total_vecs, rc = 0, min = 1; + int i, total_vecs, max, rc = 0, min = 1; struct msix_entry *msix_ent; - total_vecs = bnxt_get_max_func_irqs(bp); + total_vecs = bnxt_get_num_msix(bp); + max = bnxt_get_max_func_irqs(bp); + if (total_vecs > max) + total_vecs = max; + msix_ent = kcalloc(total_vecs, sizeof(struct msix_entry), GFP_KERNEL); if (!msix_ent) return -ENOMEM; |