netdev - [PATCH net-next 06/11] net: dsa: Add support for querying supported bridge flags

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Message-Id: <1500387624-4361-7-git-send-email-arkadis@mellanox.com>
Date:   Tue, 18 Jul 2017 17:20:19 +0300
From:   Arkadi Sharshevsky <arkadis@...lanox.com>
To:     netdev@...r.kernel.org
Cc:     davem@...emloft.net, jiri@...nulli.us, ivecera@...hat.com,
        f.fainelli@...il.com, andrew@...n.ch,
        vivien.didelot@...oirfairelinux.com, Woojung.Huh@...rochip.com,
        stephen@...workplumber.org, mlxsw@...lanox.com,
        Arkadi Sharshevsky <arkadis@...lanox.com>
Subject: [PATCH net-next 06/11] net: dsa: Add support for querying supported bridge flags

The DSA drivers do not support bridge flags offload. Yet, this attribute
should be added in order for the bridge to fail when one tries set a
flag on the port, as explained in commit dc0ecabd6231 ("net: switchdev:
Add support for querying supported bridge flags by hardware").

Signed-off-by: Arkadi Sharshevsky <arkadis@...lanox.com>
---
 net/dsa/slave.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/net/dsa/slave.c b/net/dsa/slave.c
index a083287..bf93fbc 100644
--- a/net/dsa/slave.c
+++ b/net/dsa/slave.c
@@ -324,6 +324,9 @@ static int dsa_slave_port_attr_get(struct net_device *dev,
 		attr->u.ppid.id_len = sizeof(ds->index);
 		memcpy(&attr->u.ppid.id, &ds->index, attr->u.ppid.id_len);
 		break;
+	case SWITCHDEV_ATTR_ID_PORT_BRIDGE_FLAGS_SUPPORT:
+		attr->u.brport_flags_support = 0;
+		break;
 	default:
 		return -EOPNOTSUPP;
 	}
-- 
2.4.11