diff options
| author | Michael Chan <michael.chan@broadcom.com> | 2018-01-17 11:21:10 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2018-01-17 22:48:26 +0300 |
| commit | 6a1eef5b9079742ecfad647892669bd5fe6b0e3f (patch) | |
| tree | e28b64a9c1b07b4582b2d19f66e15fe4f3c2670c /drivers/net/ethernet | |
| parent | 674f50a5b026151f4109992cb594d89f5334adde (diff) | |
| download | linux-6a1eef5b9079742ecfad647892669bd5fe6b0e3f.tar.xz | |
bnxt_en: Reserve resources for RFS.
In bnxt_rfs_capable(), add call to reserve vnic resources to support
NTUPLE. Return true if we can successfully reserve enough vnics.
Otherwise, reserve the minimum 1 VNIC for normal operations not
supporting NTUPLE and return false.
Also, suppress warning message about not enough resources for NTUPLE when
only 1 RX ring is in use. NTUPLE filters by definition require multiple
RX 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')
| -rw-r--r-- | drivers/net/ethernet/broadcom/bnxt/bnxt.c | 21 |
1 files changed, 17 insertions, 4 deletions
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c index 6fc324f35df0..8b74e6e86bb4 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c @@ -7064,13 +7064,26 @@ static bool bnxt_rfs_capable(struct bnxt *bp) if (bp->flags & BNXT_FLAG_NEW_RSS_CAP) max_rss_ctxs = max_vnics; if (vnics > max_vnics || vnics > max_rss_ctxs) { - netdev_warn(bp->dev, - "Not enough resources to support NTUPLE filters, enough resources for up to %d rx rings\n", - min(max_rss_ctxs - 1, max_vnics - 1)); + if (bp->rx_nr_rings > 1) + netdev_warn(bp->dev, + "Not enough resources to support NTUPLE filters, enough resources for up to %d rx rings\n", + min(max_rss_ctxs - 1, max_vnics - 1)); return false; } - return true; + if (!(bp->flags & BNXT_FLAG_NEW_RM)) + return true; + + if (vnics == bp->hw_resc.resv_vnics) + return true; + + bnxt_hwrm_reserve_rings(bp, 0, 0, 0, 0, vnics); + if (vnics <= bp->hw_resc.resv_vnics) + return true; + + netdev_warn(bp->dev, "Unable to reserve resources to support NTUPLE filters.\n"); + bnxt_hwrm_reserve_rings(bp, 0, 0, 0, 0, 1); + return false; #else return false; #endif |