return -1;
ad_info->aggregator_id = aggregator->aggregator_identifier;
- ad_info->ports = aggregator->num_of_ports;
+ ad_info->ports = __agg_active_ports(aggregator);
ad_info->actor_key = aggregator->actor_oper_aggregator_key;
ad_info->partner_key = aggregator->partner_oper_aggregator_key;
ether_addr_copy(ad_info->partner_system,
int arp_validate_value, fail_over_mac_value, primary_reselect_value, i;
struct bond_opt_value newval;
const struct bond_opt_value *valptr;
- int arp_all_targets_value;
+ int arp_all_targets_value = 0;
u16 ad_actor_sys_prio = 0;
u16 ad_user_port_key = 0;
- __be32 arp_target[BOND_MAX_ARP_TARGETS];
+ __be32 arp_target[BOND_MAX_ARP_TARGETS] = { 0 };
int arp_ip_count;
int bond_mode = BOND_MODE_ROUNDROBIN;
int xmit_hashtype = BOND_XMIT_POLICY_LAYER2;
arp_validate_value = 0;
}
- arp_all_targets_value = 0;
if (arp_all_targets) {
bond_opt_initstr(&newval, arp_all_targets);
valptr = bond_opt_parse(bond_opt_get(BOND_OPT_ARP_ALL_TARGETS),
if (pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) &&
pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32))) {
printk(KERN_ERR "atl2: No usable DMA configuration, aborting\n");
+ err = -EIO;
goto err_dma;
}
* pcibios_set_master to do the needed arch specific settings */
pci_set_master(pdev);
- err = -ENOMEM;
netdev = alloc_etherdev(sizeof(struct atl2_adapter));
- if (!netdev)
+ if (!netdev) {
+ err = -ENOMEM;
goto err_alloc_etherdev;
+ }
SET_NETDEV_DEV(netdev, &pdev->dev);
if (err)
goto err_sw_init;
- err = -EIO;
-
netdev->hw_features = NETIF_F_HW_VLAN_CTAG_RX;
netdev->features |= (NETIF_F_HW_VLAN_CTAG_TX | NETIF_F_HW_VLAN_CTAG_RX);
if (ret < 0)
return ret;
- if (features & NETIF_F_HW_CSUM)
+ if (features & NETIF_F_IP_CSUM)
read_buf |= Tx_COE_EN_;
else
read_buf &= ~Tx_COE_EN_;
spin_lock_init(&pdata->mac_cr_lock);
+ /* LAN95xx devices do not alter the computed checksum of 0 to 0xffff.
+ * RFC 2460, ipv6 UDP calculated checksum yields a result of zero must
+ * be changed to 0xffff. RFC 768, ipv4 UDP computed checksum is zero,
+ * it is transmitted as all ones. The zero transmitted checksum means
+ * transmitter generated no checksum. Hence, enable csum offload only
+ * for ipv4 packets.
+ */
if (DEFAULT_TX_CSUM_ENABLE)
- dev->net->features |= NETIF_F_HW_CSUM;
+ dev->net->features |= NETIF_F_IP_CSUM;
if (DEFAULT_RX_CSUM_ENABLE)
dev->net->features |= NETIF_F_RXCSUM;
- dev->net->hw_features = NETIF_F_HW_CSUM | NETIF_F_RXCSUM;
+ dev->net->hw_features = NETIF_F_IP_CSUM | NETIF_F_RXCSUM;
smsc95xx_init_mac_address(dev);
int xt_target_to_user(const struct xt_entry_target *t,
struct xt_entry_target __user *u);
int xt_data_to_user(void __user *dst, const void *src,
- int usersize, int size);
+ int usersize, int size, int aligned_size);
void *xt_copy_counters_from_user(const void __user *user, unsigned int len,
struct xt_counters_info *info, bool compat);
/* True if the target is not a standard target */
#define INVALID_TARGET (info->target < -NUM_STANDARD_TARGETS || info->target >= 0)
+static inline bool ebt_invalid_target(int target)
+{
+ return (target < -NUM_STANDARD_TARGETS || target >= 0);
+}
+
#endif
#ifndef _NF_CONNTRACK_HELPER_H
#define _NF_CONNTRACK_HELPER_H
+#include <linux/refcount.h>
#include <net/netfilter/nf_conntrack.h>
#include <net/netfilter/nf_conntrack_extend.h>
#include <net/netfilter/nf_conntrack_expect.h>
struct hlist_node hnode; /* Internal use. */
char name[NF_CT_HELPER_NAME_LEN]; /* name of the module */
+ refcount_t refcnt;
struct module *me; /* pointer to self */
const struct nf_conntrack_expect_policy *expect_policy;
struct nf_conntrack_helper *nf_conntrack_helper_try_module_get(const char *name,
u16 l3num,
u8 protonum);
+void nf_conntrack_helper_put(struct nf_conntrack_helper *helper);
+
void nf_ct_helper_init(struct nf_conntrack_helper *helper,
u16 l3num, u16 protonum, const char *name,
u16 default_port, u16 spec_port, u32 id,
int nft_data_init(const struct nft_ctx *ctx,
struct nft_data *data, unsigned int size,
struct nft_data_desc *desc, const struct nlattr *nla);
-void nft_data_uninit(const struct nft_data *data, enum nft_data_types type);
+void nft_data_release(const struct nft_data *data, enum nft_data_types type);
int nft_data_dump(struct sk_buff *skb, int attr, const struct nft_data *data,
enum nft_data_types type, unsigned int len);
reg_off += reg->aux_off;
}
- /* skb->data is NET_IP_ALIGN-ed, but for strict alignment checking
- * we force this to 2 which is universally what architectures use
- * when they don't set CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS.
+ /* For platforms that do not have a Kconfig enabling
+ * CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS the value of
+ * NET_IP_ALIGN is universally set to '2'. And on platforms
+ * that do set CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS, we get
+ * to this code only in strict mode where we want to emulate
+ * the NET_IP_ALIGN==2 checking. Therefore use an
+ * unconditional IP align value of '2'.
*/
- ip_align = strict ? 2 : NET_IP_ALIGN;
+ ip_align = 2;
if ((ip_align + reg_off + off) % size != 0) {
verbose("misaligned packet access off %d+%d+%d size %d\n",
ip_align, reg_off, off, size);
br_debug(br, "using kernel STP\n");
/* To start timers on any ports left in blocking */
+ mod_timer(&br->hello_timer, jiffies + br->hello_time);
br_port_state_selection(br);
}
if (br->dev->flags & IFF_UP) {
br_config_bpdu_generation(br);
- if (br->stp_enabled != BR_USER_STP)
+ if (br->stp_enabled == BR_KERNEL_STP)
mod_timer(&br->hello_timer,
round_jiffies(jiffies + br->hello_time));
}
if (e->ethproto != htons(ETH_P_ARP) ||
e->invflags & EBT_IPROTO)
return -EINVAL;
+ if (ebt_invalid_target(info->target))
+ return -EINVAL;
+
return 0;
}
strlcpy(name, _name, sizeof(name));
if (copy_to_user(um, name, EBT_FUNCTION_MAXNAMELEN) ||
put_user(datasize, (int __user *)(um + EBT_FUNCTION_MAXNAMELEN)) ||
- xt_data_to_user(um + entrysize, data, usersize, datasize))
+ xt_data_to_user(um + entrysize, data, usersize, datasize,
+ XT_ALIGN(datasize)))
return -EFAULT;
return 0;
if (match->compat_to_user(cm->data, m->data))
return -EFAULT;
} else {
- if (xt_data_to_user(cm->data, m->data, match->usersize, msize))
+ if (xt_data_to_user(cm->data, m->data, match->usersize, msize,
+ COMPAT_XT_ALIGN(msize)))
return -EFAULT;
}
if (target->compat_to_user(cm->data, t->data))
return -EFAULT;
} else {
- if (xt_data_to_user(cm->data, t->data, target->usersize, tsize))
+ if (xt_data_to_user(cm->data, t->data, target->usersize, tsize,
+ COMPAT_XT_ALIGN(tsize)))
return -EFAULT;
}
}
EXPORT_SYMBOL(arp_xmit);
+static bool arp_is_garp(struct net *net, struct net_device *dev,
+ int *addr_type, __be16 ar_op,
+ __be32 sip, __be32 tip,
+ unsigned char *sha, unsigned char *tha)
+{
+ bool is_garp = tip == sip;
+
+ /* Gratuitous ARP _replies_ also require target hwaddr to be
+ * the same as source.
+ */
+ if (is_garp && ar_op == htons(ARPOP_REPLY))
+ is_garp =
+ /* IPv4 over IEEE 1394 doesn't provide target
+ * hardware address field in its ARP payload.
+ */
+ tha &&
+ !memcmp(tha, sha, dev->addr_len);
+
+ if (is_garp) {
+ *addr_type = inet_addr_type_dev_table(net, dev, sip);
+ if (*addr_type != RTN_UNICAST)
+ is_garp = false;
+ }
+ return is_garp;
+}
+
/*
* Process an arp request.
*/
n = __neigh_lookup(&arp_tbl, &sip, dev, 0);
- if (IN_DEV_ARP_ACCEPT(in_dev)) {
- unsigned int addr_type = inet_addr_type_dev_table(net, dev, sip);
+ if (n || IN_DEV_ARP_ACCEPT(in_dev)) {
+ addr_type = -1;
+ is_garp = arp_is_garp(net, dev, &addr_type, arp->ar_op,
+ sip, tip, sha, tha);
+ }
+ if (IN_DEV_ARP_ACCEPT(in_dev)) {
/* Unsolicited ARP is not accepted by default.
It is possible, that this option should be enabled for some
devices (strip is candidate)
*/
- is_garp = tip == sip && addr_type == RTN_UNICAST;
-
- /* Unsolicited ARP _replies_ also require target hwaddr to be
- * the same as source.
- */
- if (is_garp && arp->ar_op == htons(ARPOP_REPLY))
- is_garp =
- /* IPv4 over IEEE 1394 doesn't provide target
- * hardware address field in its ARP payload.
- */
- tha &&
- !memcmp(tha, sha, dev->addr_len);
-
if (!n &&
- ((arp->ar_op == htons(ARPOP_REPLY) &&
- addr_type == RTN_UNICAST) || is_garp))
+ (is_garp ||
+ (arp->ar_op == htons(ARPOP_REPLY) &&
+ (addr_type == RTN_UNICAST ||
+ (addr_type < 0 &&
+ /* postpone calculation to as late as possible */
+ inet_addr_type_dev_table(net, dev, sip) ==
+ RTN_UNICAST)))))
n = __neigh_lookup(&arp_tbl, &sip, dev, 1);
}
tcp_set_ca_state(sk, TCP_CA_Open);
tcp_clear_retrans(tp);
inet_csk_delack_init(sk);
+ /* Initialize rcv_mss to TCP_MIN_MSS to avoid division by 0
+ * issue in __tcp_select_window()
+ */
+ icsk->icsk_ack.rcv_mss = TCP_MIN_MSS;
tcp_init_send_head(sk);
memset(&tp->rx_opt, 0, sizeof(tp->rx_opt));
__sk_dst_reset(sk);
*/
alloclen += sizeof(struct frag_hdr);
+ copy = datalen - transhdrlen - fraggap;
+ if (copy < 0) {
+ err = -EINVAL;
+ goto error;
+ }
if (transhdrlen) {
skb = sock_alloc_send_skb(sk,
alloclen + hh_len,
data += fraggap;
pskb_trim_unique(skb_prev, maxfraglen);
}
- copy = datalen - transhdrlen - fraggap;
-
- if (copy < 0) {
- err = -EINVAL;
- kfree_skb(skb);
- goto error;
- } else if (copy > 0 && getfrag(from, data + transhdrlen, offset, copy, fraggap, skb) < 0) {
+ if (copy > 0 &&
+ getfrag(from, data + transhdrlen, offset,
+ copy, fraggap, skb) < 0) {
err = -EFAULT;
kfree_skb(skb);
goto error;
{
unsigned int verdict = NF_DROP;
- if (IP_VS_FWD_METHOD(cp) != 0) {
- pr_err("shouldn't reach here, because the box is on the "
- "half connection in the tun/dr module.\n");
- }
+ if (IP_VS_FWD_METHOD(cp) != IP_VS_CONN_F_MASQ)
+ goto ignore_cp;
/* Ensure the checksum is correct */
if (!skb_csum_unnecessary(skb) && ip_vs_checksum_complete(skb, ihl)) {
ip_vs_notrack(skb);
else
ip_vs_update_conntrack(skb, cp, 0);
+
+ignore_cp:
verdict = NF_ACCEPT;
out:
*/
cp = pp->conn_out_get(ipvs, af, skb, &iph);
- if (likely(cp))
+ if (likely(cp)) {
+ if (IP_VS_FWD_METHOD(cp) != IP_VS_CONN_F_MASQ)
+ goto ignore_cp;
return handle_response(af, skb, pd, cp, &iph, hooknum);
+ }
/* Check for real-server-started requests */
if (atomic_read(&ipvs->conn_out_counter)) {
}
}
}
+
+out:
IP_VS_DBG_PKT(12, af, pp, skb, iph.off,
"ip_vs_out: packet continues traversal as normal");
return NF_ACCEPT;
+
+ignore_cp:
+ __ip_vs_conn_put(cp);
+ goto out;
}
/*
#endif
if (h != NULL && !try_module_get(h->me))
h = NULL;
+ if (h != NULL && !refcount_inc_not_zero(&h->refcnt)) {
+ module_put(h->me);
+ h = NULL;
+ }
rcu_read_unlock();
}
EXPORT_SYMBOL_GPL(nf_conntrack_helper_try_module_get);
+void nf_conntrack_helper_put(struct nf_conntrack_helper *helper)
+{
+ refcount_dec(&helper->refcnt);
+ module_put(helper->me);
+}
+EXPORT_SYMBOL_GPL(nf_conntrack_helper_put);
+
struct nf_conn_help *
nf_ct_helper_ext_add(struct nf_conn *ct,
struct nf_conntrack_helper *helper, gfp_t gfp)
}
}
}
+ refcount_set(&me->refcnt, 1);
hlist_add_head_rcu(&me->hnode, &nf_ct_helper_hash[h]);
nf_ct_helper_count++;
out:
#include <net/netfilter/nf_conntrack_zones.h>
#include <net/netfilter/nf_conntrack_timestamp.h>
#include <net/netfilter/nf_conntrack_labels.h>
+#include <net/netfilter/nf_conntrack_seqadj.h>
+#include <net/netfilter/nf_conntrack_synproxy.h>
#ifdef CONFIG_NF_NAT_NEEDED
#include <net/netfilter/nf_nat_core.h>
#include <net/netfilter/nf_nat_l4proto.h>
static int
ctnetlink_parse_tuple(const struct nlattr * const cda[],
- struct nf_conntrack_tuple *tuple,
- enum ctattr_type type, u_int8_t l3num,
- struct nf_conntrack_zone *zone)
+ struct nf_conntrack_tuple *tuple, u32 type,
+ u_int8_t l3num, struct nf_conntrack_zone *zone)
{
struct nlattr *tb[CTA_TUPLE_MAX+1];
int err;
nf_ct_tstamp_ext_add(ct, GFP_ATOMIC);
nf_ct_ecache_ext_add(ct, 0, 0, GFP_ATOMIC);
nf_ct_labels_ext_add(ct);
+ nfct_seqadj_ext_add(ct);
+ nfct_synproxy_ext_add(ct);
/* we must add conntrack extensions before confirmation. */
ct->status |= IPS_CONFIRMED;
static int ctnetlink_exp_dump_tuple(struct sk_buff *skb,
const struct nf_conntrack_tuple *tuple,
- enum ctattr_expect type)
+ u32 type)
{
struct nlattr *nest_parms;
{
struct nf_conntrack_tuple curr_tuple, new_tuple;
+ /* Can't setup nat info for confirmed ct. */
+ if (nf_ct_is_confirmed(ct))
+ return NF_ACCEPT;
+
NF_CT_ASSERT(maniptype == NF_NAT_MANIP_SRC ||
maniptype == NF_NAT_MANIP_DST);
BUG_ON(nf_nat_initialized(ct, maniptype));
return nf_tables_fill_setelem(args->skb, set, elem);
}
+struct nft_set_dump_ctx {
+ const struct nft_set *set;
+ struct nft_ctx ctx;
+};
+
static int nf_tables_dump_set(struct sk_buff *skb, struct netlink_callback *cb)
{
+ struct nft_set_dump_ctx *dump_ctx = cb->data;
struct net *net = sock_net(skb->sk);
- u8 genmask = nft_genmask_cur(net);
+ struct nft_af_info *afi;
+ struct nft_table *table;
struct nft_set *set;
struct nft_set_dump_args args;
- struct nft_ctx ctx;
- struct nlattr *nla[NFTA_SET_ELEM_LIST_MAX + 1];
+ bool set_found = false;
struct nfgenmsg *nfmsg;
struct nlmsghdr *nlh;
struct nlattr *nest;
u32 portid, seq;
- int event, err;
+ int event;
- err = nlmsg_parse(cb->nlh, sizeof(struct nfgenmsg), nla,
- NFTA_SET_ELEM_LIST_MAX, nft_set_elem_list_policy,
- NULL);
- if (err < 0)
- return err;
+ rcu_read_lock();
+ list_for_each_entry_rcu(afi, &net->nft.af_info, list) {
+ if (afi != dump_ctx->ctx.afi)
+ continue;
- err = nft_ctx_init_from_elemattr(&ctx, net, cb->skb, cb->nlh,
- (void *)nla, genmask);
- if (err < 0)
- return err;
+ list_for_each_entry_rcu(table, &afi->tables, list) {
+ if (table != dump_ctx->ctx.table)
+ continue;
- set = nf_tables_set_lookup(ctx.table, nla[NFTA_SET_ELEM_LIST_SET],
- genmask);
- if (IS_ERR(set))
- return PTR_ERR(set);
+ list_for_each_entry_rcu(set, &table->sets, list) {
+ if (set == dump_ctx->set) {
+ set_found = true;
+ break;
+ }
+ }
+ break;
+ }
+ break;
+ }
+
+ if (!set_found) {
+ rcu_read_unlock();
+ return -ENOENT;
+ }
event = nfnl_msg_type(NFNL_SUBSYS_NFTABLES, NFT_MSG_NEWSETELEM);
portid = NETLINK_CB(cb->skb).portid;
goto nla_put_failure;
nfmsg = nlmsg_data(nlh);
- nfmsg->nfgen_family = ctx.afi->family;
+ nfmsg->nfgen_family = afi->family;
nfmsg->version = NFNETLINK_V0;
- nfmsg->res_id = htons(ctx.net->nft.base_seq & 0xffff);
+ nfmsg->res_id = htons(net->nft.base_seq & 0xffff);
- if (nla_put_string(skb, NFTA_SET_ELEM_LIST_TABLE, ctx.table->name))
+ if (nla_put_string(skb, NFTA_SET_ELEM_LIST_TABLE, table->name))
goto nla_put_failure;
if (nla_put_string(skb, NFTA_SET_ELEM_LIST_SET, set->name))
goto nla_put_failure;
args.cb = cb;
args.skb = skb;
- args.iter.genmask = nft_genmask_cur(ctx.net);
+ args.iter.genmask = nft_genmask_cur(net);
args.iter.skip = cb->args[0];
args.iter.count = 0;
args.iter.err = 0;
args.iter.fn = nf_tables_dump_setelem;
- set->ops->walk(&ctx, set, &args.iter);
+ set->ops->walk(&dump_ctx->ctx, set, &args.iter);
+ rcu_read_unlock();
nla_nest_end(skb, nest);
nlmsg_end(skb, nlh);
return skb->len;
nla_put_failure:
+ rcu_read_unlock();
return -ENOSPC;
}
+static int nf_tables_dump_set_done(struct netlink_callback *cb)
+{
+ kfree(cb->data);
+ return 0;
+}
+
static int nf_tables_getsetelem(struct net *net, struct sock *nlsk,
struct sk_buff *skb, const struct nlmsghdr *nlh,
const struct nlattr * const nla[])
if (nlh->nlmsg_flags & NLM_F_DUMP) {
struct netlink_dump_control c = {
.dump = nf_tables_dump_set,
+ .done = nf_tables_dump_set_done,
};
+ struct nft_set_dump_ctx *dump_ctx;
+
+ dump_ctx = kmalloc(sizeof(*dump_ctx), GFP_KERNEL);
+ if (!dump_ctx)
+ return -ENOMEM;
+
+ dump_ctx->set = set;
+ dump_ctx->ctx = ctx;
+
+ c.data = dump_ctx;
return netlink_dump_start(nlsk, skb, nlh, &c);
}
return -EOPNOTSUPP;
{
struct nft_set_ext *ext = nft_set_elem_ext(set, elem);
- nft_data_uninit(nft_set_ext_key(ext), NFT_DATA_VALUE);
+ nft_data_release(nft_set_ext_key(ext), NFT_DATA_VALUE);
if (nft_set_ext_exists(ext, NFT_SET_EXT_DATA))
- nft_data_uninit(nft_set_ext_data(ext), set->dtype);
+ nft_data_release(nft_set_ext_data(ext), set->dtype);
if (destroy_expr && nft_set_ext_exists(ext, NFT_SET_EXT_EXPR))
nf_tables_expr_destroy(NULL, nft_set_ext_expr(ext));
if (nft_set_ext_exists(ext, NFT_SET_EXT_OBJREF))
}
EXPORT_SYMBOL_GPL(nft_set_elem_destroy);
+/* Only called from commit path, nft_set_elem_deactivate() already deals with
+ * the refcounting from the preparation phase.
+ */
+static void nf_tables_set_elem_destroy(const struct nft_set *set, void *elem)
+{
+ struct nft_set_ext *ext = nft_set_elem_ext(set, elem);
+
+ if (nft_set_ext_exists(ext, NFT_SET_EXT_EXPR))
+ nf_tables_expr_destroy(NULL, nft_set_ext_expr(ext));
+ kfree(elem);
+}
+
static int nft_setelem_parse_flags(const struct nft_set *set,
const struct nlattr *attr, u32 *flags)
{
kfree(elem.priv);
err3:
if (nla[NFTA_SET_ELEM_DATA] != NULL)
- nft_data_uninit(&data, d2.type);
+ nft_data_release(&data, d2.type);
err2:
- nft_data_uninit(&elem.key.val, d1.type);
+ nft_data_release(&elem.key.val, d1.type);
err1:
return err;
}
return err;
}
+/**
+ * nft_data_hold - hold a nft_data item
+ *
+ * @data: struct nft_data to release
+ * @type: type of data
+ *
+ * Hold a nft_data item. NFT_DATA_VALUE types can be silently discarded,
+ * NFT_DATA_VERDICT bumps the reference to chains in case of NFT_JUMP and
+ * NFT_GOTO verdicts. This function must be called on active data objects
+ * from the second phase of the commit protocol.
+ */
+static void nft_data_hold(const struct nft_data *data, enum nft_data_types type)
+{
+ if (type == NFT_DATA_VERDICT) {
+ switch (data->verdict.code) {
+ case NFT_JUMP:
+ case NFT_GOTO:
+ data->verdict.chain->use++;
+ break;
+ }
+ }
+}
+
+static void nft_set_elem_activate(const struct net *net,
+ const struct nft_set *set,
+ struct nft_set_elem *elem)
+{
+ const struct nft_set_ext *ext = nft_set_elem_ext(set, elem->priv);
+
+ if (nft_set_ext_exists(ext, NFT_SET_EXT_DATA))
+ nft_data_hold(nft_set_ext_data(ext), set->dtype);
+ if (nft_set_ext_exists(ext, NFT_SET_EXT_OBJREF))
+ (*nft_set_ext_obj(ext))->use++;
+}
+
+static void nft_set_elem_deactivate(const struct net *net,
+ const struct nft_set *set,
+ struct nft_set_elem *elem)
+{
+ const struct nft_set_ext *ext = nft_set_elem_ext(set, elem->priv);
+
+ if (nft_set_ext_exists(ext, NFT_SET_EXT_DATA))
+ nft_data_release(nft_set_ext_data(ext), set->dtype);
+ if (nft_set_ext_exists(ext, NFT_SET_EXT_OBJREF))
+ (*nft_set_ext_obj(ext))->use--;
+}
+
static int nft_del_setelem(struct nft_ctx *ctx, struct nft_set *set,
const struct nlattr *attr)
{
kfree(elem.priv);
elem.priv = priv;
+ nft_set_elem_deactivate(ctx->net, set, &elem);
+
nft_trans_elem(trans) = elem;
list_add_tail(&trans->list, &ctx->net->nft.commit_list);
return 0;
err3:
kfree(elem.priv);
err2:
- nft_data_uninit(&elem.key.val, desc.type);
+ nft_data_release(&elem.key.val, desc.type);
err1:
return err;
}
nft_set_destroy(nft_trans_set(trans));
break;
case NFT_MSG_DELSETELEM:
- nft_set_elem_destroy(nft_trans_elem_set(trans),
- nft_trans_elem(trans).priv, true);
+ nf_tables_set_elem_destroy(nft_trans_elem_set(trans),
+ nft_trans_elem(trans).priv);
break;
case NFT_MSG_DELOBJ:
nft_obj_destroy(nft_trans_obj(trans));
case NFT_MSG_DELSETELEM:
te = (struct nft_trans_elem *)trans->data;
+ nft_set_elem_activate(net, te->set, &te->elem);
te->set->ops->activate(net, te->set, &te->elem);
te->set->ndeact--;
EXPORT_SYMBOL_GPL(nft_data_init);
/**
- * nft_data_uninit - release a nft_data item
+ * nft_data_release - release a nft_data item
*
* @data: struct nft_data to release
* @type: type of data
* Release a nft_data item. NFT_DATA_VALUE types can be silently discarded,
* all others need to be released by calling this function.
*/
-void nft_data_uninit(const struct nft_data *data, enum nft_data_types type)
+void nft_data_release(const struct nft_data *data, enum nft_data_types type)
{
if (type < NFT_DATA_VERDICT)
return;
WARN_ON(1);
}
}
-EXPORT_SYMBOL_GPL(nft_data_uninit);
+EXPORT_SYMBOL_GPL(nft_data_release);
int nft_data_dump(struct sk_buff *skb, int attr, const struct nft_data *data,
enum nft_data_types type, unsigned int len)
tuple_set = true;
}
+ ret = -ENOENT;
list_for_each_entry_safe(nlcth, n, &nfnl_cthelper_list, list) {
cur = &nlcth->helper;
j++;
tuple.dst.protonum != cur->tuple.dst.protonum))
continue;
- found = true;
- nf_conntrack_helper_unregister(cur);
- kfree(cur->expect_policy);
+ if (refcount_dec_if_one(&cur->refcnt)) {
+ found = true;
+ nf_conntrack_helper_unregister(cur);
+ kfree(cur->expect_policy);
- list_del(&nlcth->list);
- kfree(nlcth);
+ list_del(&nlcth->list);
+ kfree(nlcth);
+ } else {
+ ret = -EBUSY;
+ }
}
/* Make sure we return success if we flush and there is no helpers */
- return (found || j == 0) ? 0 : -ENOENT;
+ return (found || j == 0) ? 0 : ret;
}
static const struct nla_policy nfnl_cthelper_policy[NFCTH_MAX+1] = {
tb[NFTA_BITWISE_MASK]);
if (err < 0)
return err;
- if (d1.len != priv->len)
- return -EINVAL;
+ if (d1.len != priv->len) {
+ err = -EINVAL;
+ goto err1;
+ }
err = nft_data_init(NULL, &priv->xor, sizeof(priv->xor), &d2,
tb[NFTA_BITWISE_XOR]);
if (err < 0)
- return err;
- if (d2.len != priv->len)
- return -EINVAL;
+ goto err1;
+ if (d2.len != priv->len) {
+ err = -EINVAL;
+ goto err2;
+ }
return 0;
+err2:
+ nft_data_release(&priv->xor, d2.type);
+err1:
+ nft_data_release(&priv->mask, d1.type);
+ return err;
}
static int nft_bitwise_dump(struct sk_buff *skb, const struct nft_expr *expr)
if (err < 0)
return ERR_PTR(err);
+ if (desc.type != NFT_DATA_VALUE) {
+ err = -EINVAL;
+ goto err1;
+ }
+
if (desc.len <= sizeof(u32) && op == NFT_CMP_EQ)
return &nft_cmp_fast_ops;
- else
- return &nft_cmp_ops;
+
+ return &nft_cmp_ops;
+err1:
+ nft_data_release(&data, desc.type);
+ return ERR_PTR(-EINVAL);
}
struct nft_expr_type nft_cmp_type __read_mostly = {
struct nft_ct_helper_obj *priv = nft_obj_data(obj);
if (priv->helper4)
- module_put(priv->helper4->me);
+ nf_conntrack_helper_put(priv->helper4);
if (priv->helper6)
- module_put(priv->helper6->me);
+ nf_conntrack_helper_put(priv->helper6);
}
static void nft_ct_helper_obj_eval(struct nft_object *obj,
return 0;
err1:
- nft_data_uninit(&priv->data, desc.type);
+ nft_data_release(&priv->data, desc.type);
return err;
}
const struct nft_expr *expr)
{
const struct nft_immediate_expr *priv = nft_expr_priv(expr);
- return nft_data_uninit(&priv->data, nft_dreg_to_type(priv->dreg));
+
+ return nft_data_release(&priv->data, nft_dreg_to_type(priv->dreg));
}
static int nft_immediate_dump(struct sk_buff *skb, const struct nft_expr *expr)
priv->len = desc_from.len;
return 0;
err2:
- nft_data_uninit(&priv->data_to, desc_to.type);
+ nft_data_release(&priv->data_to, desc_to.type);
err1:
- nft_data_uninit(&priv->data_from, desc_from.type);
+ nft_data_release(&priv->data_from, desc_from.type);
return err;
}
struct nft_set_elem elem;
int err;
- err = rhashtable_walk_init(&priv->ht, &hti, GFP_KERNEL);
+ err = rhashtable_walk_init(&priv->ht, &hti, GFP_ATOMIC);
iter->err = err;
if (err)
return;
&U->u.user.revision, K->u.kernel.TYPE->revision)
int xt_data_to_user(void __user *dst, const void *src,
- int usersize, int size)
+ int usersize, int size, int aligned_size)
{
usersize = usersize ? : size;
if (copy_to_user(dst, src, usersize))
return -EFAULT;
- if (usersize != size && clear_user(dst + usersize, size - usersize))
+ if (usersize != aligned_size &&
+ clear_user(dst + usersize, aligned_size - usersize))
return -EFAULT;
return 0;
}
EXPORT_SYMBOL_GPL(xt_data_to_user);
-#define XT_DATA_TO_USER(U, K, TYPE, C_SIZE) \
+#define XT_DATA_TO_USER(U, K, TYPE) \
xt_data_to_user(U->data, K->data, \
K->u.kernel.TYPE->usersize, \
- C_SIZE ? : K->u.kernel.TYPE->TYPE##size)
+ K->u.kernel.TYPE->TYPE##size, \
+ XT_ALIGN(K->u.kernel.TYPE->TYPE##size))
int xt_match_to_user(const struct xt_entry_match *m,
struct xt_entry_match __user *u)
{
return XT_OBJ_TO_USER(u, m, match, 0) ||
- XT_DATA_TO_USER(u, m, match, 0);
+ XT_DATA_TO_USER(u, m, match);
}
EXPORT_SYMBOL_GPL(xt_match_to_user);
struct xt_entry_target __user *u)
{
return XT_OBJ_TO_USER(u, t, target, 0) ||
- XT_DATA_TO_USER(u, t, target, 0);
+ XT_DATA_TO_USER(u, t, target);
}
EXPORT_SYMBOL_GPL(xt_target_to_user);
}
EXPORT_SYMBOL_GPL(xt_compat_match_from_user);
+#define COMPAT_XT_DATA_TO_USER(U, K, TYPE, C_SIZE) \
+ xt_data_to_user(U->data, K->data, \
+ K->u.kernel.TYPE->usersize, \
+ C_SIZE, \
+ COMPAT_XT_ALIGN(C_SIZE))
+
int xt_compat_match_to_user(const struct xt_entry_match *m,
void __user **dstptr, unsigned int *size)
{
if (match->compat_to_user((void __user *)cm->data, m->data))
return -EFAULT;
} else {
- if (XT_DATA_TO_USER(cm, m, match, msize - sizeof(*cm)))
+ if (COMPAT_XT_DATA_TO_USER(cm, m, match, msize - sizeof(*cm)))
return -EFAULT;
}
if (target->compat_to_user((void __user *)ct->data, t->data))
return -EFAULT;
} else {
- if (XT_DATA_TO_USER(ct, t, target, tsize - sizeof(*ct)))
+ if (COMPAT_XT_DATA_TO_USER(ct, t, target, tsize - sizeof(*ct)))
return -EFAULT;
}
help = nf_ct_helper_ext_add(ct, helper, GFP_KERNEL);
if (help == NULL) {
- module_put(helper->me);
+ nf_conntrack_helper_put(helper);
return -ENOMEM;
}
err4:
help = nfct_help(ct);
if (help)
- module_put(help->helper->me);
+ nf_conntrack_helper_put(help->helper);
err3:
nf_ct_tmpl_free(ct);
err2:
if (ct) {
help = nfct_help(ct);
if (help)
- module_put(help->helper->me);
+ nf_conntrack_helper_put(help->helper);
nf_ct_netns_put(par->net, par->family);
help = nf_ct_helper_ext_add(info->ct, helper, GFP_KERNEL);
if (!help) {
- module_put(helper->me);
+ nf_conntrack_helper_put(helper);
return -ENOMEM;
}
static void __ovs_ct_free_action(struct ovs_conntrack_info *ct_info)
{
if (ct_info->helper)
- module_put(ct_info->helper->me);
+ nf_conntrack_helper_put(ct_info->helper);
if (ct_info->ct)
nf_ct_tmpl_free(ct_info->ct);
}
*arg = (unsigned long) head;
rcu_assign_pointer(tp->root, new);
- call_rcu(&head->rcu, mall_destroy_rcu);
return 0;
err_replace_hw_filter:
long timeout;
int err;
struct vsock_transport_send_notify_data send_data;
-
- DEFINE_WAIT(wait);
+ DEFINE_WAIT_FUNC(wait, woken_wake_function);
sk = sock->sk;
vsk = vsock_sk(sk);
if (err < 0)
goto out;
-
while (total_written < len) {
ssize_t written;
- prepare_to_wait(sk_sleep(sk), &wait, TASK_INTERRUPTIBLE);
+ add_wait_queue(sk_sleep(sk), &wait);
while (vsock_stream_has_space(vsk) == 0 &&
sk->sk_err == 0 &&
!(sk->sk_shutdown & SEND_SHUTDOWN) &&
/* Don't wait for non-blocking sockets. */
if (timeout == 0) {
err = -EAGAIN;
- finish_wait(sk_sleep(sk), &wait);
+ remove_wait_queue(sk_sleep(sk), &wait);
goto out_err;
}
err = transport->notify_send_pre_block(vsk, &send_data);
if (err < 0) {
- finish_wait(sk_sleep(sk), &wait);
+ remove_wait_queue(sk_sleep(sk), &wait);
goto out_err;
}
release_sock(sk);
- timeout = schedule_timeout(timeout);
+ timeout = wait_woken(&wait, TASK_INTERRUPTIBLE, timeout);
lock_sock(sk);
if (signal_pending(current)) {
err = sock_intr_errno(timeout);
- finish_wait(sk_sleep(sk), &wait);
+ remove_wait_queue(sk_sleep(sk), &wait);
goto out_err;
} else if (timeout == 0) {
err = -EAGAIN;
- finish_wait(sk_sleep(sk), &wait);
+ remove_wait_queue(sk_sleep(sk), &wait);
goto out_err;
}
-
- prepare_to_wait(sk_sleep(sk), &wait,
- TASK_INTERRUPTIBLE);
}
- finish_wait(sk_sleep(sk), &wait);
+ remove_wait_queue(sk_sleep(sk), &wait);
/* These checks occur both as part of and after the loop
* conditional since we need to check before and after
projects / karo-tx-linux.git / commitdiff