diff options
Diffstat (limited to 'net')
-rw-r--r-- | net/ipv6/netfilter/nf_dup_ipv6.c | 2 | ||||
-rw-r--r-- | net/netfilter/core.c | 2 | ||||
-rw-r--r-- | net/netfilter/nf_conntrack_core.c | 11 | ||||
-rw-r--r-- | net/netfilter/nf_conntrack_standalone.c | 3 | ||||
-rw-r--r-- | net/netfilter/xt_CT.c | 4 |
5 files changed, 13 insertions, 9 deletions
diff --git a/net/ipv6/netfilter/nf_dup_ipv6.c b/net/ipv6/netfilter/nf_dup_ipv6.c index ff04f6a..888ecd1 100644 --- a/net/ipv6/netfilter/nf_dup_ipv6.c +++ b/net/ipv6/netfilter/nf_dup_ipv6.c @@ -59,7 +59,7 @@ void nf_dup_ipv6(struct net *net, struct sk_buff *skb, unsigned int hooknum, #if IS_ENABLED(CONFIG_NF_CONNTRACK) nf_reset(skb); nf_ct_set(skb, nf_ct_untracked_get(), IP_CT_NEW); - nf_conntrack_get(skb->nfct); + nf_conntrack_get(skb_nfct(skb)); #endif if (hooknum == NF_INET_PRE_ROUTING || hooknum == NF_INET_LOCAL_IN) { diff --git a/net/netfilter/core.c b/net/netfilter/core.c index ce6adfa..a87a6f8 100644 --- a/net/netfilter/core.c +++ b/net/netfilter/core.c @@ -375,7 +375,7 @@ void nf_ct_attach(struct sk_buff *new, const struct sk_buff *skb) { void (*attach)(struct sk_buff *, const struct sk_buff *); - if (skb->nfct) { + if (skb->_nfct) { rcu_read_lock(); attach = rcu_dereference(ip_ct_attach); if (attach) diff --git a/net/netfilter/nf_conntrack_core.c b/net/netfilter/nf_conntrack_core.c index 768968f..47c4ea5 100644 --- a/net/netfilter/nf_conntrack_core.c +++ b/net/netfilter/nf_conntrack_core.c @@ -1239,7 +1239,7 @@ init_conntrack(struct net *net, struct nf_conn *tmpl, return &ct->tuplehash[IP_CT_DIR_ORIGINAL]; } -/* On success, returns conntrack ptr, sets skb->nfct and ctinfo */ +/* On success, returns conntrack ptr, sets skb->_nfct | ctinfo */ static inline struct nf_conn * resolve_normal_ct(struct net *net, struct nf_conn *tmpl, struct sk_buff *skb, @@ -1323,7 +1323,7 @@ nf_conntrack_in(struct net *net, u_int8_t pf, unsigned int hooknum, NF_CT_STAT_INC_ATOMIC(net, ignore); return NF_ACCEPT; } - skb->nfct = NULL; + skb->_nfct = 0; } /* rcu_read_lock()ed by nf_hook_thresh */ @@ -1352,7 +1352,7 @@ nf_conntrack_in(struct net *net, u_int8_t pf, unsigned int hooknum, goto out; } /* ICMP[v6] protocol trackers may assign one conntrack. */ - if (skb->nfct) + if (skb->_nfct) goto out; } repeat: @@ -1383,7 +1383,7 @@ repeat: * the netfilter core what to do */ pr_debug("nf_conntrack_in: Can't track with proto module\n"); nf_conntrack_put(&ct->ct_general); - skb->nfct = NULL; + skb->_nfct = 0; NF_CT_STAT_INC_ATOMIC(net, invalid); if (ret == -NF_DROP) NF_CT_STAT_INC_ATOMIC(net, drop); @@ -1878,7 +1878,8 @@ int nf_conntrack_init_start(void) nf_conntrack_max = max_factor * nf_conntrack_htable_size; nf_conntrack_cachep = kmem_cache_create("nf_conntrack", - sizeof(struct nf_conn), 0, + sizeof(struct nf_conn), + NFCT_INFOMASK + 1, SLAB_DESTROY_BY_RCU | SLAB_HWCACHE_ALIGN, NULL); if (!nf_conntrack_cachep) goto err_cachep; diff --git a/net/netfilter/nf_conntrack_standalone.c b/net/netfilter/nf_conntrack_standalone.c index d009ae6..2256147 100644 --- a/net/netfilter/nf_conntrack_standalone.c +++ b/net/netfilter/nf_conntrack_standalone.c @@ -642,6 +642,9 @@ static int __init nf_conntrack_standalone_init(void) if (ret < 0) goto out_start; + BUILD_BUG_ON(SKB_NFCT_PTRMASK != NFCT_PTRMASK); + BUILD_BUG_ON(NFCT_INFOMASK <= IP_CT_NUMBER); + #ifdef CONFIG_SYSCTL nf_ct_netfilter_header = register_net_sysctl(&init_net, "net", nf_ct_netfilter_table); diff --git a/net/netfilter/xt_CT.c b/net/netfilter/xt_CT.c index 51f00e1..b008db0 100644 --- a/net/netfilter/xt_CT.c +++ b/net/netfilter/xt_CT.c @@ -23,7 +23,7 @@ static inline int xt_ct_target(struct sk_buff *skb, struct nf_conn *ct) { /* Previously seen (loopback)? Ignore. */ - if (skb->nfct != NULL) + if (skb->_nfct != 0) return XT_CONTINUE; /* special case the untracked ct : we want the percpu object */ @@ -409,7 +409,7 @@ static unsigned int notrack_tg(struct sk_buff *skb, const struct xt_action_param *par) { /* Previously seen (loopback)? Ignore. */ - if (skb->nfct != NULL) + if (skb->_nfct != 0) return XT_CONTINUE; nf_ct_set(skb, nf_ct_untracked_get(), IP_CT_NEW); |