diff options
| author | Michael Chan | 2018-12-17 00:46:20 +0100 |
|---|---|---|
| committer | David S. Miller | 2018-12-18 08:08:53 +0100 |
| commit | e916b0815a11c6cbc82f2d8510982ea022628880 (patch) | |
| tree | 2ff6df74c364b0afa3890b50b51aa7bf99f79b3f /drivers/net/ethernet/broadcom/bnxt/bnxt.c | |
| parent | bnxt_en: Store the maximum NQs available on the PF. (diff) | |
| download | kernel-qcow2-linux-e916b0815a11c6cbc82f2d8510982ea022628880.tar.gz kernel-qcow2-linux-e916b0815a11c6cbc82f2d8510982ea022628880.tar.xz kernel-qcow2-linux-e916b0815a11c6cbc82f2d8510982ea022628880.zip | |
bnxt_en: Add bnxt_get_avail_cp_rings_for_en() helper function.
The available CP rings are calculated differently on the new 57500
chips, so add this helper to do this calculation correctly. The
VFs will be assigned these available CP rings.
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/broadcom/bnxt/bnxt.c')
| -rw-r--r-- | drivers/net/ethernet/broadcom/bnxt/bnxt.c | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c index c65b5fe41abd..bf228cf10bb3 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c @@ -7045,7 +7045,7 @@ unsigned int bnxt_get_max_func_cp_rings(struct bnxt *bp) return bp->hw_resc.max_cp_rings; } -unsigned int bnxt_get_max_func_cp_rings_for_en(struct bnxt *bp) +static unsigned int bnxt_get_max_func_cp_rings_for_en(struct bnxt *bp) { unsigned int cp = bp->hw_resc.max_cp_rings; @@ -7070,6 +7070,17 @@ static void bnxt_set_max_func_irqs(struct bnxt *bp, unsigned int max_irqs) bp->hw_resc.max_irqs = max_irqs; } +unsigned int bnxt_get_avail_cp_rings_for_en(struct bnxt *bp) +{ + unsigned int cp; + + cp = bnxt_get_max_func_cp_rings_for_en(bp); + if (bp->flags & BNXT_FLAG_CHIP_P5) + return cp - bp->rx_nr_rings - bp->tx_nr_rings; + else + return cp - bp->cp_nr_rings; +} + int bnxt_get_avail_msix(struct bnxt *bp, int num) { int max_cp = bnxt_get_max_func_cp_rings(bp); |