projects / ovs.git / blame
| Commit | Line | Data |
|---|---|---|
| 057772cf JS |
1 | #ifndef _NF_CONNTRACK_CORE_WRAPPER_H |
| 2 | #define _NF_CONNTRACK_CORE_WRAPPER_H | |
| 3 | ||
| 4 | #include_next <net/netfilter/nf_conntrack_core.h> | |
| 5 | ||
| 6 | #ifndef HAVE_NF_CT_TMPL_ALLOC_TAKES_STRUCT_ZONE | |
| 7 | ||
| 8 | #include <net/netfilter/nf_conntrack_zones.h> | |
| 9 | ||
| 10 | #define nf_ct_tmpl_alloc rpl_nf_ct_tmpl_alloc | |
| 11 | /* Released via destroy_conntrack() */ | |
| 12 | static inline struct nf_conn * | |
| 13 | nf_ct_tmpl_alloc(struct net *net, const struct nf_conntrack_zone *zone, | |
| 14 | gfp_t flags) | |
| 15 | { | |
| 16 | struct nf_conn *tmpl; | |
| 17 | ||
| 18 | tmpl = kzalloc(sizeof(*tmpl), flags); | |
| 19 | if (tmpl == NULL) | |
| 20 | return NULL; | |
| 21 | ||
| 22 | tmpl->status = IPS_TEMPLATE; | |
| 23 | write_pnet(&tmpl->ct_net, net); | |
| 24 | ||
| 25 | if (nf_ct_zone_add(tmpl, flags, zone) < 0) | |
| 26 | goto out_free; | |
| 27 | ||
| 28 | atomic_set(&tmpl->ct_general.use, 0); | |
| 29 | ||
| 30 | return tmpl; | |
| 31 | out_free: | |
| 32 | kfree(tmpl); | |
| 33 | return NULL; | |
| 34 | } | |
| 35 | ||
| 36 | static void rpl_nf_ct_tmpl_free(struct nf_conn *tmpl) | |
| 37 | { | |
| 38 | nf_ct_ext_destroy(tmpl); | |
| 39 | nf_ct_ext_free(tmpl); | |
| 40 | kfree(tmpl); | |
| 41 | } | |
| 42 | #define nf_ct_tmpl_free rpl_nf_ct_tmpl_free | |
| 0d330e42 JR |
43 | |
| 44 | static inline struct nf_conntrack_tuple_hash * | |
| 45 | rpl_nf_conntrack_find_get(struct net *net, | |
| 46 | const struct nf_conntrack_zone *zone, | |
| 47 | const struct nf_conntrack_tuple *tuple) | |
| 48 | { | |
| 49 | return nf_conntrack_find_get(net, zone->id, tuple); | |
| 50 | } | |
| 51 | #define nf_conntrack_find_get rpl_nf_conntrack_find_get | |
| 52 | #endif /* HAVE_NF_CT_TMPL_ALLOC_TAKES_STRUCT_ZONE */ | |
| 53 | ||
| 54 | #ifndef HAVE_NF_CT_GET_TUPLEPR_TAKES_STRUCT_NET | |
| 55 | static inline bool rpl_nf_ct_get_tuple(const struct sk_buff *skb, | |
| 56 | unsigned int nhoff, | |
| 57 | unsigned int dataoff, u_int16_t l3num, | |
| 58 | u_int8_t protonum, | |
| 59 | struct net *net, | |
| 60 | struct nf_conntrack_tuple *tuple, | |
| 61 | const struct nf_conntrack_l3proto *l3proto, | |
| 62 | const struct nf_conntrack_l4proto *l4proto) | |
| 63 | { | |
| 64 | return nf_ct_get_tuple(skb, nhoff, dataoff, l3num, protonum, tuple, | |
| 65 | l3proto, l4proto); | |
| 66 | } | |
| 67 | #define nf_ct_get_tuple rpl_nf_ct_get_tuple | |
| 68 | #endif /* HAVE_NF_CT_GET_TUPLEPR_TAKES_STRUCT_NET */ | |
| 69 | ||
| 6d9b6937 JR |
70 | #ifdef HAVE_NF_CONN_TIMER |
| 71 | ||
| 72 | #ifndef HAVE_NF_CT_DELETE | |
| 73 | #include <net/netfilter/nf_conntrack_timestamp.h> | |
| 74 | #endif | |
| 75 | ||
| 76 | static inline bool rpl_nf_ct_delete(struct nf_conn *ct, u32 portid, int report) | |
| 77 | { | |
| 78 | if (del_timer(&ct->timeout)) | |
| 79 | #ifdef HAVE_NF_CT_DELETE | |
| 80 | return nf_ct_delete(ct, portid, report); | |
| 81 | #else | |
| 82 | { | |
| 83 | struct nf_conn_tstamp *tstamp; | |
| 84 | ||
| 85 | tstamp = nf_conn_tstamp_find(ct); | |
| 86 | if (tstamp && tstamp->stop == 0) | |
| 87 | tstamp->stop = ktime_to_ns(ktime_get_real()); | |
| 88 | ||
| 89 | if (!test_bit(IPS_DYING_BIT, &ct->status) && | |
| 90 | unlikely(nf_conntrack_event(IPCT_DESTROY, ct) < 0)) { | |
| 91 | /* destroy event was not delivered */ | |
| 92 | nf_ct_delete_from_lists(ct); | |
| 93 | nf_ct_dying_timeout(ct); | |
| 94 | return false; | |
| 95 | } | |
| 96 | set_bit(IPS_DYING_BIT, &ct->status); | |
| 97 | nf_ct_delete_from_lists(ct); | |
| 98 | nf_ct_put(ct); | |
| 99 | return true; | |
| 100 | } | |
| 101 | #endif | |
| 102 | return false; | |
| 103 | } | |
| 104 | #define nf_ct_delete rpl_nf_ct_delete | |
| 105 | #endif /* HAVE_NF_CONN_TIMER */ | |
| 106 | ||
| 057772cf | 107 | #endif /* _NF_CONNTRACK_CORE_WRAPPER_H */ |