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Date: Sun, 16 Aug 2020 21:43:15 +0200 From: Andrew Lunn <andrew@...n.ch> To: David Miller <davem@...emloft.net> Cc: netdev <netdev@...r.kernel.org>, Chris Healy <cphealy@...il.com>, Vivien Didelot <vivien.didelot@...il.com>, Andrew Lunn <andrew@...n.ch> Subject: [PATCH net-next 6/7] net: dsa: wire up devlink info get Allow the DSA drivers to implement the devlink call to get info info, e.g. driver name, firmware version, ASIC ID, etc. Signed-off-by: Andrew Lunn <andrew@...n.ch> --- include/net/dsa.h | 5 ++++- net/dsa/dsa2.c | 21 ++++++++++++++++++--- 2 files changed, 22 insertions(+), 4 deletions(-) diff --git a/include/net/dsa.h b/include/net/dsa.h index 8963440ec7f8..0e34193d15ba 100644 --- a/include/net/dsa.h +++ b/include/net/dsa.h @@ -612,11 +612,14 @@ struct dsa_switch_ops { bool (*port_rxtstamp)(struct dsa_switch *ds, int port, struct sk_buff *skb, unsigned int type); - /* Devlink parameters */ + /* Devlink parameters, etc */ int (*devlink_param_get)(struct dsa_switch *ds, u32 id, struct devlink_param_gset_ctx *ctx); int (*devlink_param_set)(struct dsa_switch *ds, u32 id, struct devlink_param_gset_ctx *ctx); + int (*devlink_info_get)(struct dsa_switch *ds, + struct devlink_info_req *req, + struct netlink_ext_ack *extack); /* * MTU change functionality. Switches can also adjust their MRU through diff --git a/net/dsa/dsa2.c b/net/dsa/dsa2.c index c0ffc7a2b65f..860f2fb22fe0 100644 --- a/net/dsa/dsa2.c +++ b/net/dsa/dsa2.c @@ -21,9 +21,6 @@ static DEFINE_MUTEX(dsa2_mutex); LIST_HEAD(dsa_tree_list); -static const struct devlink_ops dsa_devlink_ops = { -}; - struct dsa_switch *dsa_switch_find(int tree_index, int sw_index) { struct dsa_switch_tree *dst; @@ -382,6 +379,24 @@ static void dsa_port_teardown(struct dsa_port *dp) dp->setup = false; } +static int dsa_devlink_info_get(struct devlink *dl, + struct devlink_info_req *req, + struct netlink_ext_ack *extack) +{ + struct dsa_switch *ds; + + ds = dsa_devlink_to_ds(dl); + + if (ds->ops->devlink_info_get) + return ds->ops->devlink_info_get(ds, req, extack); + + return -EOPNOTSUPP; +} + +static const struct devlink_ops dsa_devlink_ops = { + .info_get = dsa_devlink_info_get, +}; + static int dsa_switch_setup(struct dsa_switch *ds) { struct dsa_devlink_priv *dl_priv; -- 2.28.0
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