summaryrefslogtreecommitdiffstats
path: root/include/net/netns/xfrm.h
diff options
context:
space:
mode:
authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 10:05:51 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 10:05:51 +0000
commit5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 (patch)
treea94efe259b9009378be6d90eb30d2b019d95c194 /include/net/netns/xfrm.h
parentInitial commit. (diff)
downloadlinux-5d1646d90e1f2cceb9f0828f4b28318cd0ec7744.tar.xz
linux-5d1646d90e1f2cceb9f0828f4b28318cd0ec7744.zip
Adding upstream version 5.10.209.upstream/5.10.209
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'include/net/netns/xfrm.h')
-rw-r--r--include/net/netns/xfrm.h87
1 files changed, 87 insertions, 0 deletions
diff --git a/include/net/netns/xfrm.h b/include/net/netns/xfrm.h
new file mode 100644
index 000000000..7b87da22b
--- /dev/null
+++ b/include/net/netns/xfrm.h
@@ -0,0 +1,87 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef __NETNS_XFRM_H
+#define __NETNS_XFRM_H
+
+#include <linux/list.h>
+#include <linux/wait.h>
+#include <linux/workqueue.h>
+#include <linux/rhashtable-types.h>
+#include <linux/xfrm.h>
+#include <net/dst_ops.h>
+
+struct ctl_table_header;
+
+struct xfrm_policy_hash {
+ struct hlist_head __rcu *table;
+ unsigned int hmask;
+ u8 dbits4;
+ u8 sbits4;
+ u8 dbits6;
+ u8 sbits6;
+};
+
+struct xfrm_policy_hthresh {
+ struct work_struct work;
+ seqlock_t lock;
+ u8 lbits4;
+ u8 rbits4;
+ u8 lbits6;
+ u8 rbits6;
+};
+
+struct netns_xfrm {
+ struct list_head state_all;
+ /*
+ * Hash table to find appropriate SA towards given target (endpoint of
+ * tunnel or destination of transport mode) allowed by selector.
+ *
+ * Main use is finding SA after policy selected tunnel or transport
+ * mode. Also, it can be used by ah/esp icmp error handler to find
+ * offending SA.
+ */
+ struct hlist_head __rcu *state_bydst;
+ struct hlist_head __rcu *state_bysrc;
+ struct hlist_head __rcu *state_byspi;
+ unsigned int state_hmask;
+ unsigned int state_num;
+ struct work_struct state_hash_work;
+
+ struct list_head policy_all;
+ struct hlist_head *policy_byidx;
+ unsigned int policy_idx_hmask;
+ unsigned int idx_generator;
+ struct hlist_head policy_inexact[XFRM_POLICY_MAX];
+ struct xfrm_policy_hash policy_bydst[XFRM_POLICY_MAX];
+ unsigned int policy_count[XFRM_POLICY_MAX * 2];
+ struct work_struct policy_hash_work;
+ struct xfrm_policy_hthresh policy_hthresh;
+ struct list_head inexact_bins;
+
+
+ struct sock *nlsk;
+ struct sock *nlsk_stash;
+
+ u32 sysctl_aevent_etime;
+ u32 sysctl_aevent_rseqth;
+ int sysctl_larval_drop;
+ u32 sysctl_acq_expires;
+
+ u8 policy_default[XFRM_POLICY_MAX];
+
+#ifdef CONFIG_SYSCTL
+ struct ctl_table_header *sysctl_hdr;
+#endif
+
+ struct dst_ops xfrm4_dst_ops;
+#if IS_ENABLED(CONFIG_IPV6)
+ struct dst_ops xfrm6_dst_ops;
+#endif
+ spinlock_t xfrm_state_lock;
+ seqcount_t xfrm_state_hash_generation;
+ seqcount_spinlock_t xfrm_policy_hash_generation;
+
+ spinlock_t xfrm_policy_lock;
+ struct mutex xfrm_cfg_mutex;
+};
+
+#endif