netdev - [PATCH net-next 9/9] ionic: tame the filter no space message

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:   Sat,  9 Oct 2021 11:45:23 -0700
From:   Shannon Nelson <snelson@...sando.io>
To:     davem@...emloft.net, netdev@...r.kernel.org, kuba@...nel.org
Cc:     drivers@...sando.io, jtoppins@...hat.com,
        Shannon Nelson <snelson@...sando.io>
Subject: [PATCH net-next 9/9] ionic: tame the filter no space message

Override the automatic AdminQ error message in order to
capture the potential No Space message when we hit the
max vlan limit, and add additional messaging to detail
what filter failed.

Signed-off-by: Shannon Nelson <snelson@...sando.io>
---
 .../net/ethernet/pensando/ionic/ionic_rx_filter.c | 15 ++++++++++++++-
 1 file changed, 14 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/pensando/ionic/ionic_rx_filter.c b/drivers/net/ethernet/pensando/ionic/ionic_rx_filter.c
index 366f15794866..f6e785f949f9 100644
--- a/drivers/net/ethernet/pensando/ionic/ionic_rx_filter.c
+++ b/drivers/net/ethernet/pensando/ionic/ionic_rx_filter.c
@@ -357,7 +357,7 @@ static int ionic_lif_filter_add(struct ionic_lif *lif,
 	}
 
 	if (err != -ENOSPC)
-		err = ionic_adminq_post_wait(lif, &ctx);
+		err = ionic_adminq_post_wait_nomsg(lif, &ctx);
 
 	spin_lock_bh(&lif->rx_filters.lock);
 
@@ -382,6 +382,19 @@ static int ionic_lif_filter_add(struct ionic_lif *lif,
 			return 0;
 		}
 
+		ionic_adminq_netdev_err_print(lif, ctx.cmd.cmd.opcode,
+					      ctx.comp.comp.status, err);
+		switch (le16_to_cpu(ctx.cmd.rx_filter_add.match)) {
+		case IONIC_RX_FILTER_MATCH_VLAN:
+			netdev_info(lif->netdev, "rx_filter add failed: VLAN %d\n",
+				    ctx.cmd.rx_filter_add.vlan.vlan);
+			break;
+		case IONIC_RX_FILTER_MATCH_MAC:
+			netdev_info(lif->netdev, "rx_filter add failed: ADDR %pM\n",
+				    ctx.cmd.rx_filter_add.mac.addr);
+			break;
+		}
+
 		return err;
 	}
 
-- 
2.17.1