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-rw-r--r--net/netfilter/ipset/ip_set_bitmap_ipmac.c2
-rw-r--r--net/netfilter/ipset/ip_set_core.c2
-rw-r--r--net/netfilter/ipset/ip_set_hash_ipmac.c6
-rw-r--r--net/netfilter/ipvs/ip_vs_ctl.c4
-rw-r--r--net/netfilter/ipvs/ip_vs_lblcr.c4
-rw-r--r--net/netfilter/nf_tables_api.c7
-rw-r--r--net/netfilter/nf_tables_offload.c148
-rw-r--r--net/netfilter/nft_meta.c16
8 files changed, 142 insertions, 47 deletions
diff --git a/net/netfilter/ipset/ip_set_bitmap_ipmac.c b/net/netfilter/ipset/ip_set_bitmap_ipmac.c
index ca7ac4a25ada..1d4e63326e68 100644
--- a/net/netfilter/ipset/ip_set_bitmap_ipmac.c
+++ b/net/netfilter/ipset/ip_set_bitmap_ipmac.c
@@ -226,7 +226,7 @@ bitmap_ipmac_kadt(struct ip_set *set, const struct sk_buff *skb,
e.id = ip_to_id(map, ip);
- if (opt->flags & IPSET_DIM_ONE_SRC)
+ if (opt->flags & IPSET_DIM_TWO_SRC)
ether_addr_copy(e.ether, eth_hdr(skb)->h_source);
else
ether_addr_copy(e.ether, eth_hdr(skb)->h_dest);
diff --git a/net/netfilter/ipset/ip_set_core.c b/net/netfilter/ipset/ip_set_core.c
index 2e151856ad99..e64d5f9a89dd 100644
--- a/net/netfilter/ipset/ip_set_core.c
+++ b/net/netfilter/ipset/ip_set_core.c
@@ -1161,7 +1161,7 @@ static int ip_set_rename(struct net *net, struct sock *ctnl,
return -ENOENT;
write_lock_bh(&ip_set_ref_lock);
- if (set->ref != 0) {
+ if (set->ref != 0 || set->ref_netlink != 0) {
ret = -IPSET_ERR_REFERENCED;
goto out;
}
diff --git a/net/netfilter/ipset/ip_set_hash_ipmac.c b/net/netfilter/ipset/ip_set_hash_ipmac.c
index faf59b6a998f..24d8f4df4230 100644
--- a/net/netfilter/ipset/ip_set_hash_ipmac.c
+++ b/net/netfilter/ipset/ip_set_hash_ipmac.c
@@ -89,15 +89,11 @@ hash_ipmac4_kadt(struct ip_set *set, const struct sk_buff *skb,
struct hash_ipmac4_elem e = { .ip = 0, { .foo[0] = 0, .foo[1] = 0 } };
struct ip_set_ext ext = IP_SET_INIT_KEXT(skb, opt, set);
- /* MAC can be src only */
- if (!(opt->flags & IPSET_DIM_TWO_SRC))
- return 0;
-
if (skb_mac_header(skb) < skb->head ||
(skb_mac_header(skb) + ETH_HLEN) > skb->data)
return -EINVAL;
- if (opt->flags & IPSET_DIM_ONE_SRC)
+ if (opt->flags & IPSET_DIM_TWO_SRC)
ether_addr_copy(e.ether, eth_hdr(skb)->h_source);
else
ether_addr_copy(e.ether, eth_hdr(skb)->h_dest);
diff --git a/net/netfilter/ipvs/ip_vs_ctl.c b/net/netfilter/ipvs/ip_vs_ctl.c
index 3d5922c47ec2..8b48e7ce1c2c 100644
--- a/net/netfilter/ipvs/ip_vs_ctl.c
+++ b/net/netfilter/ipvs/ip_vs_ctl.c
@@ -262,7 +262,7 @@ static inline unsigned int
ip_vs_svc_hashkey(struct netns_ipvs *ipvs, int af, unsigned int proto,
const union nf_inet_addr *addr, __be16 port)
{
- register unsigned int porth = ntohs(port);
+ unsigned int porth = ntohs(port);
__be32 addr_fold = addr->ip;
__u32 ahash;
@@ -493,7 +493,7 @@ static inline unsigned int ip_vs_rs_hashkey(int af,
const union nf_inet_addr *addr,
__be16 port)
{
- register unsigned int porth = ntohs(port);
+ unsigned int porth = ntohs(port);
__be32 addr_fold = addr->ip;
#ifdef CONFIG_IP_VS_IPV6
diff --git a/net/netfilter/ipvs/ip_vs_lblcr.c b/net/netfilter/ipvs/ip_vs_lblcr.c
index c8b5a504476c..77c323c36a88 100644
--- a/net/netfilter/ipvs/ip_vs_lblcr.c
+++ b/net/netfilter/ipvs/ip_vs_lblcr.c
@@ -160,7 +160,7 @@ static void ip_vs_dest_set_eraseall(struct ip_vs_dest_set *set)
/* get weighted least-connection node in the destination set */
static inline struct ip_vs_dest *ip_vs_dest_set_min(struct ip_vs_dest_set *set)
{
- register struct ip_vs_dest_set_elem *e;
+ struct ip_vs_dest_set_elem *e;
struct ip_vs_dest *dest, *least;
int loh, doh;
@@ -209,7 +209,7 @@ static inline struct ip_vs_dest *ip_vs_dest_set_min(struct ip_vs_dest_set *set)
/* get weighted most-connection node in the destination set */
static inline struct ip_vs_dest *ip_vs_dest_set_max(struct ip_vs_dest_set *set)
{
- register struct ip_vs_dest_set_elem *e;
+ struct ip_vs_dest_set_elem *e;
struct ip_vs_dest *dest, *most;
int moh, doh;
diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c
index 605a7cfe7ca7..fe3b7b0c6c66 100644
--- a/net/netfilter/nf_tables_api.c
+++ b/net/netfilter/nf_tables_api.c
@@ -7593,6 +7593,11 @@ static struct pernet_operations nf_tables_net_ops = {
.exit = nf_tables_exit_net,
};
+static struct flow_indr_block_ing_entry block_ing_entry = {
+ .cb = nft_indr_block_get_and_ing_cmd,
+ .list = LIST_HEAD_INIT(block_ing_entry.list),
+};
+
static int __init nf_tables_module_init(void)
{
int err;
@@ -7624,6 +7629,7 @@ static int __init nf_tables_module_init(void)
goto err5;
nft_chain_route_init();
+ flow_indr_add_block_ing_cb(&block_ing_entry);
return err;
err5:
rhltable_destroy(&nft_objname_ht);
@@ -7640,6 +7646,7 @@ err1:
static void __exit nf_tables_module_exit(void)
{
+ flow_indr_del_block_ing_cb(&block_ing_entry);
nfnetlink_subsys_unregister(&nf_tables_subsys);
unregister_netdevice_notifier(&nf_tables_flowtable_notifier);
nft_chain_filter_fini();
diff --git a/net/netfilter/nf_tables_offload.c b/net/netfilter/nf_tables_offload.c
index 64f5fd5f240e..d3c4c9c88bc8 100644
--- a/net/netfilter/nf_tables_offload.c
+++ b/net/netfilter/nf_tables_offload.c
@@ -171,24 +171,110 @@ static int nft_flow_offload_unbind(struct flow_block_offload *bo,
return 0;
}
+static int nft_block_setup(struct nft_base_chain *basechain,
+ struct flow_block_offload *bo,
+ enum flow_block_command cmd)
+{
+ int err;
+
+ switch (cmd) {
+ case FLOW_BLOCK_BIND:
+ err = nft_flow_offload_bind(bo, basechain);
+ break;
+ case FLOW_BLOCK_UNBIND:
+ err = nft_flow_offload_unbind(bo, basechain);
+ break;
+ default:
+ WARN_ON_ONCE(1);
+ err = -EOPNOTSUPP;
+ }
+
+ return err;
+}
+
+static int nft_block_offload_cmd(struct nft_base_chain *chain,
+ struct net_device *dev,
+ enum flow_block_command cmd)
+{
+ struct netlink_ext_ack extack = {};
+ struct flow_block_offload bo = {};
+ int err;
+
+ bo.net = dev_net(dev);
+ bo.block = &chain->flow_block;
+ bo.command = cmd;
+ bo.binder_type = FLOW_BLOCK_BINDER_TYPE_CLSACT_INGRESS;
+ bo.extack = &extack;
+ INIT_LIST_HEAD(&bo.cb_list);
+
+ err = dev->netdev_ops->ndo_setup_tc(dev, TC_SETUP_BLOCK, &bo);
+ if (err < 0)
+ return err;
+
+ return nft_block_setup(chain, &bo, cmd);
+}
+
+static void nft_indr_block_ing_cmd(struct net_device *dev,
+ struct nft_base_chain *chain,
+ flow_indr_block_bind_cb_t *cb,
+ void *cb_priv,
+ enum flow_block_command cmd)
+{
+ struct netlink_ext_ack extack = {};
+ struct flow_block_offload bo = {};
+
+ if (!chain)
+ return;
+
+ bo.net = dev_net(dev);
+ bo.block = &chain->flow_block;
+ bo.command = cmd;
+ bo.binder_type = FLOW_BLOCK_BINDER_TYPE_CLSACT_INGRESS;
+ bo.extack = &extack;
+ INIT_LIST_HEAD(&bo.cb_list);
+
+ cb(dev, cb_priv, TC_SETUP_BLOCK, &bo);
+
+ nft_block_setup(chain, &bo, cmd);
+}
+
+static int nft_indr_block_offload_cmd(struct nft_base_chain *chain,
+ struct net_device *dev,
+ enum flow_block_command cmd)
+{
+ struct flow_block_offload bo = {};
+ struct netlink_ext_ack extack = {};
+
+ bo.net = dev_net(dev);
+ bo.block = &chain->flow_block;
+ bo.command = cmd;
+ bo.binder_type = FLOW_BLOCK_BINDER_TYPE_CLSACT_INGRESS;
+ bo.extack = &extack;
+ INIT_LIST_HEAD(&bo.cb_list);
+
+ flow_indr_block_call(dev, &bo, cmd);
+
+ if (list_empty(&bo.cb_list))
+ return -EOPNOTSUPP;
+
+ return nft_block_setup(chain, &bo, cmd);
+}
+
#define FLOW_SETUP_BLOCK TC_SETUP_BLOCK
static int nft_flow_offload_chain(struct nft_trans *trans,
enum flow_block_command cmd)
{
struct nft_chain *chain = trans->ctx.chain;
- struct netlink_ext_ack extack = {};
- struct flow_block_offload bo = {};
struct nft_base_chain *basechain;
struct net_device *dev;
- int err;
if (!nft_is_base_chain(chain))
return -EOPNOTSUPP;
basechain = nft_base_chain(chain);
dev = basechain->ops.dev;
- if (!dev || !dev->netdev_ops->ndo_setup_tc)
+ if (!dev)
return -EOPNOTSUPP;
/* Only default policy to accept is supported for now. */
@@ -197,26 +283,10 @@ static int nft_flow_offload_chain(struct nft_trans *trans,
nft_trans_chain_policy(trans) != NF_ACCEPT)
return -EOPNOTSUPP;
- bo.command = cmd;
- bo.block = &basechain->flow_block;
- bo.binder_type = FLOW_BLOCK_BINDER_TYPE_CLSACT_INGRESS;
- bo.extack = &extack;
- INIT_LIST_HEAD(&bo.cb_list);
-
- err = dev->netdev_ops->ndo_setup_tc(dev, FLOW_SETUP_BLOCK, &bo);
- if (err < 0)
- return err;
-
- switch (cmd) {
- case FLOW_BLOCK_BIND:
- err = nft_flow_offload_bind(&bo, basechain);
- break;
- case FLOW_BLOCK_UNBIND:
- err = nft_flow_offload_unbind(&bo, basechain);
- break;
- }
-
- return err;
+ if (dev->netdev_ops->ndo_setup_tc)
+ return nft_block_offload_cmd(basechain, dev, cmd);
+ else
+ return nft_indr_block_offload_cmd(basechain, dev, cmd);
}
int nft_flow_rule_offload_commit(struct net *net)
@@ -266,3 +336,33 @@ int nft_flow_rule_offload_commit(struct net *net)
return err;
}
+
+void nft_indr_block_get_and_ing_cmd(struct net_device *dev,
+ flow_indr_block_bind_cb_t *cb,
+ void *cb_priv,
+ enum flow_block_command command)
+{
+ struct net *net = dev_net(dev);
+ const struct nft_table *table;
+ const struct nft_chain *chain;
+
+ list_for_each_entry_rcu(table, &net->nft.tables, list) {
+ if (table->family != NFPROTO_NETDEV)
+ continue;
+
+ list_for_each_entry_rcu(chain, &table->chains, list) {
+ if (nft_is_base_chain(chain)) {
+ struct nft_base_chain *basechain;
+
+ basechain = nft_base_chain(chain);
+ if (!strncmp(basechain->dev_name, dev->name,
+ IFNAMSIZ)) {
+ nft_indr_block_ing_cmd(dev, basechain,
+ cb, cb_priv,
+ command);
+ return;
+ }
+ }
+ }
+ }
+}
diff --git a/net/netfilter/nft_meta.c b/net/netfilter/nft_meta.c
index f1b1d948c07b..f69afb9ff3cb 100644
--- a/net/netfilter/nft_meta.c
+++ b/net/netfilter/nft_meta.c
@@ -60,24 +60,16 @@ void nft_meta_get_eval(const struct nft_expr *expr,
*dest = skb->mark;
break;
case NFT_META_IIF:
- if (in == NULL)
- goto err;
- *dest = in->ifindex;
+ *dest = in ? in->ifindex : 0;
break;
case NFT_META_OIF:
- if (out == NULL)
- goto err;
- *dest = out->ifindex;
+ *dest = out ? out->ifindex : 0;
break;
case NFT_META_IIFNAME:
- if (in == NULL)
- goto err;
- strncpy((char *)dest, in->name, IFNAMSIZ);
+ strncpy((char *)dest, in ? in->name : "", IFNAMSIZ);
break;
case NFT_META_OIFNAME:
- if (out == NULL)
- goto err;
- strncpy((char *)dest, out->name, IFNAMSIZ);
+ strncpy((char *)dest, out ? out->name : "", IFNAMSIZ);
break;
case NFT_META_IIFTYPE:
if (in == NULL)