netdev.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Michael Chan <michael.chan@broadcom.com>
To: davem@davemloft.net
Cc: netdev@vger.kernel.org
Subject: [PATCH net-next v2 2/3] bnxt_en: Log a message, if enabling NTUPLE filtering fails.
Date: Mon, 25 Jul 2016 12:33:36 -0400	[thread overview]
Message-ID: <1469464417-786-3-git-send-email-michael.chan@broadcom.com> (raw)
In-Reply-To: <1469464417-786-1-git-send-email-michael.chan@broadcom.com>

From: Vasundhara Volam <vasundhara-v.volam@broadcom.com>

If there are not enough resources to enable ntuple filtering,
log a warning message.

v2: Use single message and add missing newline.

Signed-off-by: Vasundhara Volam <vasundhara-v.volam@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
---
 drivers/net/ethernet/broadcom/bnxt/bnxt.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
index 7de7d7a..eac0f2b 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
@@ -5790,8 +5790,12 @@ static bool bnxt_rfs_capable(struct bnxt *bp)
 		return false;
 
 	vnics = 1 + bp->rx_nr_rings;
-	if (vnics > pf->max_rsscos_ctxs || vnics > pf->max_vnics)
+	if (vnics > pf->max_rsscos_ctxs || vnics > pf->max_vnics) {
+		netdev_warn(bp->dev,
+			    "Not enough resources to support NTUPLE filters, enough resources for up to %d rx rings\n",
+			    min(pf->max_rsscos_ctxs - 1, pf->max_vnics - 1));
 		return false;
+	}
 
 	return true;
 #else
@@ -5804,7 +5808,7 @@ static netdev_features_t bnxt_fix_features(struct net_device *dev,
 {
 	struct bnxt *bp = netdev_priv(dev);
 
-	if (!bnxt_rfs_capable(bp))
+	if ((features & NETIF_F_NTUPLE) && !bnxt_rfs_capable(bp))
 		features &= ~NETIF_F_NTUPLE;
 
 	/* Both CTAG and STAG VLAN accelaration on the RX side have to be
-- 
1.8.3.1

  parent reply	other threads:[~2016-07-25 16:33 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-07-25 16:33 [PATCH net-next v2 0/3] bnxt_en: Improve ntuple filters and add new IDs Michael Chan
2016-07-25 16:33 ` [PATCH net-next v2 1/3] bnxt_en: Improve ntuple filters by checking destination MAC address Michael Chan
2016-07-25 16:33 ` Michael Chan [this message]
2016-07-27  7:31   ` [PATCH net-next v2 2/3] bnxt_en: Log a message, if enabling NTUPLE filtering fails zhuyj
2016-07-27  8:04     ` Michael Chan
2016-07-25 16:33 ` [PATCH net-next v2 3/3] bnxt_en: Add new NPAR and dual media device IDs Michael Chan
2016-07-26  4:43 ` [PATCH net-next v2 0/3] bnxt_en: Improve ntuple filters and add new IDs David Miller

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=1469464417-786-3-git-send-email-michael.chan@broadcom.com \
    --to=michael.chan@broadcom.com \
    --cc=davem@davemloft.net \
    --cc=netdev@vger.kernel.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).