diff options
Diffstat (limited to 'include/net/netns/xfrm.h')
| -rw-r--r-- | include/net/netns/xfrm.h | 88 |
1 files changed, 88 insertions, 0 deletions
diff --git a/include/net/netns/xfrm.h b/include/net/netns/xfrm.h new file mode 100644 index 0000000000..423b52eca9 --- /dev/null +++ b/include/net/netns/xfrm.h @@ -0,0 +1,88 @@ +/* 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; + struct hlist_head __rcu *state_byseq; + 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_spinlock_t xfrm_state_hash_generation; + seqcount_spinlock_t xfrm_policy_hash_generation; + + spinlock_t xfrm_policy_lock; + struct mutex xfrm_cfg_mutex; +}; + +#endif |