nfp: report application FW build name in ethtool -i

Make sure application FW build name is NULL-terminated and
print it as a part of ethtool's firmware version string.
Signed-off-by: NJakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

drivers/net/ethernet/netronome/nfp/nfp_app.c

@@ -35,6 +35,7 @@
 #include <linux/slab.h>
 
 #include "nfpcore/nfp_cpp.h"
+#include "nfpcore/nfp_nffw.h"
 #include "nfp_app.h"
 #include "nfp_main.h"
 
@@ -43,6 +44,13 @@ static const struct nfp_app_type *apps[] = {
 	&app_bpf,
 };
 
+const char *nfp_app_mip_name(struct nfp_app *app)
+{
+	if (!app || !app->pf->mip)
+		return "";
+	return nfp_mip_name(app->pf->mip);
+}
+
 struct sk_buff *nfp_app_ctrl_msg_alloc(struct nfp_app *app, unsigned int size)
 {
 	struct sk_buff *skb;

drivers/net/ethernet/netronome/nfp/nfp_app.h

@@ -216,6 +216,7 @@ static inline void nfp_app_ctrl_rx(struct nfp_app *app, struct sk_buff *skb)
 	app->type->ctrl_msg_rx(app, skb);
 }
 
+const char *nfp_app_mip_name(struct nfp_app *app);
 struct sk_buff *nfp_app_ctrl_msg_alloc(struct nfp_app *app, unsigned int size);
 
 struct nfp_app *nfp_app_alloc(struct nfp_pf *pf, enum nfp_app_id id);

drivers/net/ethernet/netronome/nfp/nfp_net_ethtool.c

@@ -166,10 +166,10 @@ static void nfp_net_get_drvinfo(struct net_device *netdev,
 
 	nfp_net_get_nspinfo(nn->app, nsp_version);
 	snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version),
-		 "%d.%d.%d.%d %s %s",
+		 "%d.%d.%d.%d %s %s %s",
 		 nn->fw_ver.resv, nn->fw_ver.class,
 		 nn->fw_ver.major, nn->fw_ver.minor, nsp_version,
-		 nfp_app_name(nn->app));
+		 nfp_app_mip_name(nn->app), nfp_app_name(nn->app));
 	strlcpy(drvinfo->bus_info, pci_name(nn->pdev),
 		sizeof(drvinfo->bus_info));
 

drivers/net/ethernet/netronome/nfp/nfpcore/nfp_mip.c

@@ -141,6 +141,8 @@ const struct nfp_mip *nfp_mip_open(struct nfp_cpp *cpp)
 		return NULL;
 	}
 
+	mip->name[sizeof(mip->name) - 1] = 0;
+
 	return mip;
 }
 
@@ -149,6 +151,11 @@ void nfp_mip_close(const struct nfp_mip *mip)
 	kfree(mip);
 }
 
+const char *nfp_mip_name(const struct nfp_mip *mip)
+{
+	return mip->name;
+}
+
 /**
  * nfp_mip_symtab() - Get the address and size of the MIP symbol table
  * @mip:	MIP handle

drivers/net/ethernet/netronome/nfp/nfpcore/nfp_nffw.h

@@ -55,6 +55,7 @@ struct nfp_mip;
 const struct nfp_mip *nfp_mip_open(struct nfp_cpp *cpp);
 void nfp_mip_close(const struct nfp_mip *mip);
 
+const char *nfp_mip_name(const struct nfp_mip *mip);
 void nfp_mip_symtab(const struct nfp_mip *mip, u32 *addr, u32 *size);
 void nfp_mip_strtab(const struct nfp_mip *mip, u32 *addr, u32 *size);