diff mbox series

[SRU,J:linux-bluefield,v1,2/9] xfrm: get global statistics from the offloaded device

Message ID 1703485231-27098-3-git-send-email-yifeid@nvidia.com
State New
Headers show
Series Kernel panic in restart driver after configuring IPsec full offload | expand

Commit Message

Tony Duan Dec. 25, 2023, 6:20 a.m. UTC 
From: Leon Romanovsky <leonro@nvidia.com>

BugLink: https://bugs.launchpad.net/bugs/2044427

Iterate over all SAs in order to fill global IPsec statistics.

Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
(backported from commit 4d13628bcce1e2d7ca095a8d45158548ceb421c5)
[Tony: do not port ipsec.c since BF does not use this driver]
Signed-off-by: Tony Duan <yifeid@nvidia.com>

Conflicts:
	drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec.c
---
 include/net/xfrm.h    |  3 +++
 net/xfrm/xfrm_proc.c  |  1 +
 net/xfrm/xfrm_state.c | 13 +++++++++++++
 3 files changed, 17 insertions(+)
diff mbox series

Patch

diff --git a/include/net/xfrm.h b/include/net/xfrm.h
index d3ff1cd..04fa329 100644
--- a/include/net/xfrm.h
+++ b/include/net/xfrm.h
@@ -51,8 +51,10 @@ 
 
 #ifdef CONFIG_XFRM_STATISTICS
 #define XFRM_INC_STATS(net, field)	SNMP_INC_STATS((net)->mib.xfrm_statistics, field)
+#define XFRM_ADD_STATS(net, field, val) SNMP_ADD_STATS((net)->mib.xfrm_statistics, field, val)
 #else
 #define XFRM_INC_STATS(net, field)	((void)(net))
+#define XFRM_ADD_STATS(net, field, val) ((void)(net))
 #endif
 
 
@@ -1542,6 +1544,7 @@  struct xfrm_state *xfrm_stateonly_find(struct net *net, u32 mark, u32 if_id,
 struct xfrm_state *xfrm_state_lookup_byspi(struct net *net, __be32 spi,
 					      unsigned short family);
 int xfrm_state_check_expire(struct xfrm_state *x);
+void xfrm_state_update_stats(struct net *net);
 #ifdef CONFIG_XFRM_OFFLOAD
 static inline void xfrm_dev_state_update_stats(struct xfrm_state *x)
 {
diff --git a/net/xfrm/xfrm_proc.c b/net/xfrm/xfrm_proc.c
index fee9b5c..5f9bf8e 100644
--- a/net/xfrm/xfrm_proc.c
+++ b/net/xfrm/xfrm_proc.c
@@ -52,6 +52,7 @@  static int xfrm_statistics_seq_show(struct seq_file *seq, void *v)
 
 	memset(buff, 0, sizeof(unsigned long) * LINUX_MIB_XFRMMAX);
 
+	xfrm_state_update_stats(net);
 	snmp_get_cpu_field_batch(buff, xfrm_mib_list,
 				 net->mib.xfrm_statistics);
 	for (i = 0; xfrm_mib_list[i].name; i++)
diff --git a/net/xfrm/xfrm_state.c b/net/xfrm/xfrm_state.c
index 07e4f89..05686ac 100644
--- a/net/xfrm/xfrm_state.c
+++ b/net/xfrm/xfrm_state.c
@@ -1955,6 +1955,19 @@  int xfrm_state_check_expire(struct xfrm_state *x)
 }
 EXPORT_SYMBOL(xfrm_state_check_expire);
 
+void xfrm_state_update_stats(struct net *net)
+{
+	struct xfrm_state *x;
+	int i;
+
+	spin_lock_bh(&net->xfrm.xfrm_state_lock);
+	for (i = 0; i <= net->xfrm.state_hmask; i++) {
+		hlist_for_each_entry(x, net->xfrm.state_bydst + i, bydst)
+			xfrm_dev_state_update_stats(x);
+	}
+	spin_unlock_bh(&net->xfrm.xfrm_state_lock);
+}
+
 struct xfrm_state *
 xfrm_state_lookup(struct net *net, u32 mark, const xfrm_address_t *daddr, __be32 spi,
 		  u8 proto, unsigned short family)