net/smc: Make SMC statistics network namespace aware
Make the gathered SMC statistics network namespace aware, for each
namespace collect an own set of statistic information.
Signed-off-by: Guvenc Gulce <[email protected]>
Signed-off-by: Karsten Graul <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
diff --git a/include/net/net_namespace.h b/include/net/net_namespace.h
index fa58871..befc5b9 100644
--- a/include/net/net_namespace.h
+++ b/include/net/net_namespace.h
@@ -32,6 +32,7 @@
#include <net/netns/mpls.h>
#include <net/netns/can.h>
#include <net/netns/xdp.h>
+#include <net/netns/smc.h>
#include <net/netns/bpf.h>
#include <linux/ns_common.h>
#include <linux/idr.h>
@@ -170,6 +171,9 @@ struct net {
struct sock *crypto_nlsk;
#endif
struct sock *diag_nlsk;
+#if IS_ENABLED(CONFIG_SMC)
+ struct netns_smc smc;
+#endif
} __randomize_layout;
#include <linux/seq_file_net.h>
diff --git a/include/net/netns/smc.h b/include/net/netns/smc.h
new file mode 100644
index 0000000..ea8a9cf
--- /dev/null
+++ b/include/net/netns/smc.h
@@ -0,0 +1,16 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef __NETNS_SMC_H__
+#define __NETNS_SMC_H__
+#include <linux/mutex.h>
+#include <linux/percpu.h>
+
+struct smc_stats_rsn;
+struct smc_stats;
+struct netns_smc {
+ /* per cpu counters for SMC */
+ struct smc_stats __percpu *smc_stats;
+ /* protect fback_rsn */
+ struct mutex mutex_fback_rsn;
+ struct smc_stats_rsn *fback_rsn;
+};
+#endif
