[PATCH net-next v4 4/8] nfp: devlink: report driver name and serial number

[Jakub Kicinski]

Report the basic info through new devlink info API.

RFCv2:
 - add driver name;
 - align serial to core changes.

Signed-off-by: Jakub Kicinski <jakub.kicin...@netronome.com>
Acked-by: Jiri Pirko <j...@mellanox.com>
---
 .../net/ethernet/netronome/nfp/nfp_devlink.c  | 24 +++++++++++++++++++
 1 file changed, 24 insertions(+)

diff --git a/drivers/net/ethernet/netronome/nfp/nfp_devlink.c 
b/drivers/net/ethernet/netronome/nfp/nfp_devlink.c
index 808647ec3573..2ba3b3891d99 100644
--- a/drivers/net/ethernet/netronome/nfp/nfp_devlink.c
+++ b/drivers/net/ethernet/netronome/nfp/nfp_devlink.c
@@ -4,6 +4,7 @@
 #include <linux/rtnetlink.h>
 #include <net/devlink.h>
 
+#include "nfpcore/nfp.h"
 #include "nfpcore/nfp_nsp.h"
 #include "nfp_app.h"
 #include "nfp_main.h"
@@ -171,6 +172,28 @@ static int nfp_devlink_eswitch_mode_set(struct devlink 
*devlink, u16 mode,
        return ret;
 }
 
+static int
+nfp_devlink_info_get(struct devlink *devlink, struct devlink_info_req *req,
+                    struct netlink_ext_ack *extack)
+{
+       struct nfp_pf *pf = devlink_priv(devlink);
+       const char *sn;
+       int err;
+
+       err = devlink_info_driver_name_put(req, "nfp");
+       if (err)
+               return err;
+
+       sn = nfp_hwinfo_lookup(pf->hwinfo, "assembly.serial");
+       if (sn) {
+               err = devlink_info_serial_number_put(req, sn);
+               if (err)
+                       return err;
+       }
+
+       return 0;
+}
+
 const struct devlink_ops nfp_devlink_ops = {
        .port_split             = nfp_devlink_port_split,
        .port_unsplit           = nfp_devlink_port_unsplit,
@@ -178,6 +201,7 @@ const struct devlink_ops nfp_devlink_ops = {
        .sb_pool_set            = nfp_devlink_sb_pool_set,
        .eswitch_mode_get       = nfp_devlink_eswitch_mode_get,
        .eswitch_mode_set       = nfp_devlink_eswitch_mode_set,
+       .info_get               = nfp_devlink_info_get,
 };
 
 int nfp_devlink_port_register(struct nfp_app *app, struct nfp_port *port)
-- 
2.19.2