Re: [PATCH v4 net-next 3/5] net: dsa: Link aggregation support
From: Vladimir Oltean <olteanv@gmail.com>
Date: 2020-12-16 18:03:49
On Wed, Dec 16, 2020 at 05:00:54PM +0100, Tobias Waldekranz wrote:
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+ /* Drivers that benefit from having an ID associated with each + * offloaded LAG should set this to the maximum number of + * supported IDs. DSA will then maintain a mapping of _at + * least_ these many IDs, accessible to drivers via + * dsa_tree_lag_id().
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you named it dsa_lag_id() in the end.
+ */ + unsigned int num_lag_ids;
[...]
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+ /* No IDs left, which is OK. Some drivers do not need it. The + * ones that do, e.g. mv88e6xxx, will discover that + * dsa_tree_lag_id returns an error for this device when
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same thing here.
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+ * joining the LAG. The driver can then return -EOPNOTSUPP + * back to DSA, which will fall back to a software LAG. + */