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authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2016-09-11 04:34:46 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2016-09-11 04:34:46 -0300
commit863981e96738983919de841ec669e157e6bdaeb0 (patch)
treed6d89a12e7eb8017837c057935a2271290907f76 /net/netfilter/nft_ct.c
parent8dec7c70575785729a6a9e6719a955e9c545bcab (diff)
Linux-libre 4.7.1-gnupck-4.7.1-gnu
Diffstat (limited to 'net/netfilter/nft_ct.c')
-rw-r--r--net/netfilter/nft_ct.c38
1 files changed, 33 insertions, 5 deletions
diff --git a/net/netfilter/nft_ct.c b/net/netfilter/nft_ct.c
index d4a4619fc..81fbb4507 100644
--- a/net/netfilter/nft_ct.c
+++ b/net/netfilter/nft_ct.c
@@ -54,7 +54,6 @@ static void nft_ct_get_eval(const struct nft_expr *expr,
const struct nf_conn_help *help;
const struct nf_conntrack_tuple *tuple;
const struct nf_conntrack_helper *helper;
- long diff;
unsigned int state;
ct = nf_ct_get(pkt->skb, &ctinfo);
@@ -94,10 +93,7 @@ static void nft_ct_get_eval(const struct nft_expr *expr,
return;
#endif
case NFT_CT_EXPIRATION:
- diff = (long)jiffies - (long)ct->timeout.expires;
- if (diff < 0)
- diff = 0;
- *dest = jiffies_to_msecs(diff);
+ *dest = jiffies_to_msecs(nf_ct_expires(ct));
return;
case NFT_CT_HELPER:
if (ct->master == NULL)
@@ -198,6 +194,14 @@ static void nft_ct_set_eval(const struct nft_expr *expr,
}
break;
#endif
+#ifdef CONFIG_NF_CONNTRACK_LABELS
+ case NFT_CT_LABELS:
+ nf_connlabels_replace(ct,
+ &regs->data[priv->sreg],
+ &regs->data[priv->sreg],
+ NF_CT_LABELS_MAX_SIZE / sizeof(u32));
+ break;
+#endif
default:
break;
}
@@ -365,6 +369,16 @@ static int nft_ct_set_init(const struct nft_ctx *ctx,
len = FIELD_SIZEOF(struct nf_conn, mark);
break;
#endif
+#ifdef CONFIG_NF_CONNTRACK_LABELS
+ case NFT_CT_LABELS:
+ if (tb[NFTA_CT_DIRECTION])
+ return -EINVAL;
+ len = NF_CT_LABELS_MAX_SIZE;
+ err = nf_connlabels_get(ctx->net, (len * BITS_PER_BYTE) - 1);
+ if (err)
+ return err;
+ break;
+#endif
default:
return -EOPNOTSUPP;
}
@@ -384,6 +398,18 @@ static int nft_ct_set_init(const struct nft_ctx *ctx,
static void nft_ct_destroy(const struct nft_ctx *ctx,
const struct nft_expr *expr)
{
+ struct nft_ct *priv = nft_expr_priv(expr);
+
+ switch (priv->key) {
+#ifdef CONFIG_NF_CONNTRACK_LABELS
+ case NFT_CT_LABELS:
+ nf_connlabels_put(ctx->net);
+ break;
+#endif
+ default:
+ break;
+ }
+
nft_ct_l3proto_module_put(ctx->afi->family);
}
@@ -484,6 +510,8 @@ static struct nft_expr_type nft_ct_type __read_mostly = {
static int __init nft_ct_module_init(void)
{
+ BUILD_BUG_ON(NF_CT_LABELS_MAX_SIZE > NFT_REG_SIZE);
+
return nft_register_expr(&nft_ct_type);
}