Thread (4 messages) 4 messages, 2 authors, 2017-02-09

Re: [PATCH net-next 1/2] net/devlink: Add E-Switch encapsulation control

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From: Jiri Pirko <jiri@resnulli.us>
Date: 2017-02-09 17:18:24

Thu, Feb 09, 2017 at 05:23:17PM CET, ogerlitz@mellanox.com wrote:
From: Roi Dayan <redacted>

This is an e-switch global knob to enable/disable HW support for applying
encapsulation/decapsulation to VF traffic as part of SRIOV e-switch offloading.

The actual encap/decap is carried out (along with the matching and other actions)
per offloaded e-switch rules, e.g as done when offloading the TC tunnel key action.

The supported mode are enable/disable.

Signed-off-by: Roi Dayan <redacted>
Reviewed-by: Or Gerlitz <redacted>
---
[...]
quoted hunk ↗ jump to hunk
@@ -1470,11 +1480,23 @@ static int devlink_nl_cmd_eswitch_set_doit(struct sk_buff *skb,
	const struct devlink_ops *ops = devlink->ops;
	u16 mode;
	u8 inline_mode;
+	bool encap;
	int err = 0;

	if (!ops)
		return -EOPNOTSUPP;

+	if (info->attrs[DEVLINK_ATTR_ESWITCH_ENCAP]) {
+		if (!ops->eswitch_encap_set)
+			return -EOPNOTSUPP;
+		if (!info->attrs[DEVLINK_ATTR_ESWITCH_MODE])
+			return -EINVAL;
+		encap = nla_get_u8(info->attrs[DEVLINK_ATTR_ESWITCH_ENCAP]);
+		err = ops->eswitch_encap_set(devlink, encap);
+		if (err)
+			return err;
+	}
Please maintain the same order as the attr enum and getters and put this
behind the inline_mode. Thanks.
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