5b8ef3415a
We now queue packets to the policy if the states are not yet resolved, this replaces the ancient sleeping code. Also the sleeping can cause indefinite task hangs if the needed state does not get resolved. Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
66 lines
1.6 KiB
C
66 lines
1.6 KiB
C
#ifndef __NETNS_XFRM_H
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#define __NETNS_XFRM_H
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#include <linux/list.h>
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#include <linux/wait.h>
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#include <linux/workqueue.h>
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#include <linux/xfrm.h>
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#include <net/dst_ops.h>
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struct ctl_table_header;
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struct xfrm_policy_hash {
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struct hlist_head *table;
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unsigned int hmask;
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};
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struct netns_xfrm {
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struct list_head state_all;
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/*
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* Hash table to find appropriate SA towards given target (endpoint of
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* tunnel or destination of transport mode) allowed by selector.
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*
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* Main use is finding SA after policy selected tunnel or transport
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* mode. Also, it can be used by ah/esp icmp error handler to find
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* offending SA.
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*/
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struct hlist_head *state_bydst;
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struct hlist_head *state_bysrc;
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struct hlist_head *state_byspi;
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unsigned int state_hmask;
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unsigned int state_num;
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struct work_struct state_hash_work;
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struct hlist_head state_gc_list;
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struct work_struct state_gc_work;
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struct list_head policy_all;
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struct hlist_head *policy_byidx;
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unsigned int policy_idx_hmask;
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struct hlist_head policy_inexact[XFRM_POLICY_MAX * 2];
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struct xfrm_policy_hash policy_bydst[XFRM_POLICY_MAX * 2];
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unsigned int policy_count[XFRM_POLICY_MAX * 2];
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struct work_struct policy_hash_work;
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struct sock *nlsk;
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struct sock *nlsk_stash;
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u32 sysctl_aevent_etime;
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u32 sysctl_aevent_rseqth;
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int sysctl_larval_drop;
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u32 sysctl_acq_expires;
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#ifdef CONFIG_SYSCTL
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struct ctl_table_header *sysctl_hdr;
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#endif
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struct dst_ops xfrm4_dst_ops;
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#if IS_ENABLED(CONFIG_IPV6)
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struct dst_ops xfrm6_dst_ops;
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#endif
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spinlock_t xfrm_state_lock;
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spinlock_t xfrm_policy_sk_bundle_lock;
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rwlock_t xfrm_policy_lock;
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struct mutex xfrm_cfg_mutex;
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};
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#endif
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