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Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6

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This commit is contained in:
David S. Miller 2010-02-09 11:44:44 -08:00
commit b1109bf085
27 changed files with 165 additions and 143 deletions
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1
MAINTAINERS
View File

@ -3836,6 +3836,7 @@ NETWORKING DRIVERS
L: netdev@vger.kernel.org
W: http://www.linuxfoundation.org/en/Net
T: git git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6.git
T: git git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6.git
S: Odd Fixes
F: drivers/net/
F: include/linux/if_*

1
drivers/bluetooth/btmrvl_sdio.c
View File

@ -808,6 +808,7 @@ static int btmrvl_sdio_host_to_card(struct btmrvl_private *priv,
exit:
sdio_release_host(card->func);
kfree(tmpbuf);
return ret;
}

2
drivers/net/ax88796.c
View File

@ -921,7 +921,7 @@ static int ax_probe(struct platform_device *pdev)
size = (res->end - res->start) + 1;
ax->mem2 = request_mem_region(res->start, size, pdev->name);
if (ax->mem == NULL) {
if (ax->mem2 == NULL) {
dev_err(&pdev->dev, "cannot reserve registers\n");
ret = -ENXIO;
goto exit_mem1;

20
drivers/net/cxgb3/sge.c
View File

@ -2080,6 +2080,7 @@ static void lro_add_page(struct adapter *adap, struct sge_qset *qs,
struct sge_fl *fl, int len, int complete)
{
struct rx_sw_desc *sd = &fl->sdesc[fl->cidx];
struct port_info *pi = netdev_priv(qs->netdev);
struct sk_buff *skb = NULL;
struct cpl_rx_pkt *cpl;
struct skb_frag_struct *rx_frag;
@ -2117,11 +2118,18 @@ static void lro_add_page(struct adapter *adap, struct sge_qset *qs,
if (!nr_frags) {
offset = 2 + sizeof(struct cpl_rx_pkt);
qs->lro_va = sd->pg_chunk.va + 2;
}
len -= offset;
cpl = qs->lro_va = sd->pg_chunk.va + 2;
prefetch(qs->lro_va);
if ((pi->rx_offload & T3_RX_CSUM) &&
cpl->csum_valid && cpl->csum == htons(0xffff)) {
skb->ip_summed = CHECKSUM_UNNECESSARY;
qs->port_stats[SGE_PSTAT_RX_CSUM_GOOD]++;
} else
skb->ip_summed = CHECKSUM_NONE;
} else
cpl = qs->lro_va;
len -= offset;
rx_frag += nr_frags;
rx_frag->page = sd->pg_chunk.page;
@ -2137,12 +2145,8 @@ static void lro_add_page(struct adapter *adap, struct sge_qset *qs,
return;
skb_record_rx_queue(skb, qs - &adap->sge.qs[0]);
skb->ip_summed = CHECKSUM_UNNECESSARY;
cpl = qs->lro_va;
if (unlikely(cpl->vlan_valid)) {
struct net_device *dev = qs->netdev;
struct port_info *pi = netdev_priv(dev);
struct vlan_group *grp = pi->vlan_grp;
if (likely(grp != NULL)) {

20
drivers/net/igb/igb_main.c
View File

@ -421,6 +421,8 @@ static void igb_assign_vector(struct igb_q_vector *q_vector, int msix_vector)
msixbm = E1000_EICR_RX_QUEUE0 << rx_queue;
if (tx_queue > IGB_N0_QUEUE)
msixbm |= E1000_EICR_TX_QUEUE0 << tx_queue;
if (!adapter->msix_entries && msix_vector == 0)
msixbm |= E1000_EIMS_OTHER;
array_wr32(E1000_MSIXBM(0), msix_vector, msixbm);
q_vector->eims_value = msixbm;
break;
@ -877,7 +879,6 @@ static int igb_request_irq(struct igb_adapter *adapter)
{
struct net_device *netdev = adapter->netdev;
struct pci_dev *pdev = adapter->pdev;
struct e1000_hw *hw = &adapter->hw;
int err = 0;
if (adapter->msix_entries) {
@ -909,20 +910,7 @@ static int igb_request_irq(struct igb_adapter *adapter)
igb_setup_all_tx_resources(adapter);
igb_setup_all_rx_resources(adapter);
} else {
switch (hw->mac.type) {
case e1000_82575:
wr32(E1000_MSIXBM(0),
(E1000_EICR_RX_QUEUE0 |
E1000_EICR_TX_QUEUE0 |
E1000_EIMS_OTHER));
break;
case e1000_82580:
case e1000_82576:
wr32(E1000_IVAR0, E1000_IVAR_VALID);
break;
default:
break;
}
igb_assign_vector(adapter->q_vector[0], 0);
}
if (adapter->flags & IGB_FLAG_HAS_MSI) {
@ -1140,6 +1128,8 @@ int igb_up(struct igb_adapter *adapter)
}
if (adapter->msix_entries)
igb_configure_msix(adapter);
else
igb_assign_vector(adapter->q_vector[0], 0);
/* Clear any pending interrupts. */
rd32(E1000_ICR);

3
include/net/netns/conntrack.h
View File

@ -11,6 +11,8 @@ struct nf_conntrack_ecache;
struct netns_ct {
atomic_t count;
unsigned int expect_count;
unsigned int htable_size;
struct kmem_cache *nf_conntrack_cachep;
struct hlist_nulls_head *hash;
struct hlist_head *expect_hash;
struct hlist_nulls_head unconfirmed;
@ -28,5 +30,6 @@ struct netns_ct {
#endif
int hash_vmalloc;
int expect_vmalloc;
char *slabname;
};
#endif

1
include/net/netns/ipv4.h
View File

@ -40,6 +40,7 @@ struct netns_ipv4 {
struct xt_table *iptable_security;
struct xt_table *nat_table;
struct hlist_head *nat_bysource;
unsigned int nat_htable_size;
int nat_vmalloced;
#endif

3
net/bluetooth/hci_conn.c
View File

@ -377,6 +377,9 @@ struct hci_conn *hci_connect(struct hci_dev *hdev, int type, bdaddr_t *dst, __u8
if (acl->state == BT_CONNECTED &&
(sco->state == BT_OPEN || sco->state == BT_CLOSED)) {
acl->power_save = 1;
hci_conn_enter_active_mode(acl);
if (lmp_esco_capable(hdev))
hci_setup_sync(sco, acl->handle);
else

1
net/bluetooth/hci_event.c
View File

@ -1699,6 +1699,7 @@ static inline void hci_sync_conn_complete_evt(struct hci_dev *hdev, struct sk_bu
break;
case 0x1c: /* SCO interval rejected */
case 0x1a: /* Unsupported Remote Feature */
case 0x1f: /* Unspecified error */
if (conn->out && conn->attempt < 2) {
conn->pkt_type = (hdev->esco_type & SCO_ESCO_MASK) |

49
net/bluetooth/hidp/core.c
View File

@ -703,29 +703,9 @@ static void hidp_close(struct hid_device *hid)
static int hidp_parse(struct hid_device *hid)
{
struct hidp_session *session = hid->driver_data;
struct hidp_connadd_req *req = session->req;
unsigned char *buf;
int ret;
buf = kmalloc(req->rd_size, GFP_KERNEL);
if (!buf)
return -ENOMEM;
if (copy_from_user(buf, req->rd_data, req->rd_size)) {
kfree(buf);
return -EFAULT;
}
ret = hid_parse_report(session->hid, buf, req->rd_size);
kfree(buf);
if (ret)
return ret;
session->req = NULL;
return 0;
return hid_parse_report(session->hid, session->rd_data,
session->rd_size);
}
static int hidp_start(struct hid_device *hid)
@ -770,12 +750,24 @@ static int hidp_setup_hid(struct hidp_session *session,
bdaddr_t src, dst;
int err;
session->rd_data = kzalloc(req->rd_size, GFP_KERNEL);
if (!session->rd_data)
return -ENOMEM;
if (copy_from_user(session->rd_data, req->rd_data, req->rd_size)) {
err = -EFAULT;
goto fault;
}
session->rd_size = req->rd_size;
hid = hid_allocate_device();
if (IS_ERR(hid))
return PTR_ERR(hid);
if (IS_ERR(hid)) {
err = PTR_ERR(hid);
goto fault;
}
session->hid = hid;
session->req = req;
hid->driver_data = session;
baswap(&src, &bt_sk(session->ctrl_sock->sk)->src);
@ -806,6 +798,10 @@ failed:
hid_destroy_device(hid);
session->hid = NULL;
fault:
kfree(session->rd_data);
session->rd_data = NULL;
return err;
}
@ -900,6 +896,9 @@ unlink:
session->hid = NULL;
}
kfree(session->rd_data);
session->rd_data = NULL;
purge:
skb_queue_purge(&session->ctrl_transmit);
skb_queue_purge(&session->intr_transmit);

4
net/bluetooth/hidp/hidp.h
View File

@ -154,7 +154,9 @@ struct hidp_session {
struct sk_buff_head ctrl_transmit;
struct sk_buff_head intr_transmit;
struct hidp_connadd_req *req;
/* Report descriptor */
__u8 *rd_data;
uint rd_size;
};
static inline void hidp_schedule(struct hidp_session *session)

8
net/bluetooth/rfcomm/core.c
View File

@ -252,7 +252,6 @@ static void rfcomm_session_timeout(unsigned long arg)
BT_DBG("session %p state %ld", s, s->state);
set_bit(RFCOMM_TIMED_OUT, &s->flags);
rfcomm_session_put(s);
rfcomm_schedule(RFCOMM_SCHED_TIMEO);
}
@ -1151,7 +1150,11 @@ static int rfcomm_recv_ua(struct rfcomm_session *s, u8 dlci)
break;
case BT_DISCONN:
rfcomm_session_put(s);
/* When socket is closed and we are not RFCOMM
* initiator rfcomm_process_rx already calls
* rfcomm_session_put() */
if (s->sock->sk->sk_state != BT_CLOSED)
rfcomm_session_put(s);
break;
}
}
@ -1920,6 +1923,7 @@ static inline void rfcomm_process_sessions(void)
if (test_and_clear_bit(RFCOMM_TIMED_OUT, &s->flags)) {
s->state = BT_DISCONN;
rfcomm_send_disc(s, 0);
rfcomm_session_put(s);
continue;
}

2
net/core/dst.c
View File

@ -17,6 +17,7 @@
#include <linux/string.h>
#include <linux/types.h>
#include <net/net_namespace.h>
#include <linux/sched.h>
#include <net/dst.h>
@ -79,6 +80,7 @@ loop:
while ((dst = next) != NULL) {
next = dst->next;
prefetch(&next->next);
cond_resched();
if (likely(atomic_read(&dst->__refcnt))) {
last->next = dst;
last = dst;

1
net/core/pktgen.c
View File

@ -3524,6 +3524,7 @@ static int pktgen_thread_worker(void *arg)
wait_event_interruptible_timeout(t->queue,
t->control != 0,
HZ/10);
try_to_freeze();
continue;
}

4
net/ipv4/netfilter/arp_tables.c
View File

@ -925,10 +925,10 @@ static int get_info(struct net *net, void __user *user, int *len, int compat)
if (t && !IS_ERR(t)) {
struct arpt_getinfo info;
const struct xt_table_info *private = t->private;
#ifdef CONFIG_COMPAT
struct xt_table_info tmp;
if (compat) {
struct xt_table_info tmp;
ret = compat_table_info(private, &tmp);
xt_compat_flush_offsets(NFPROTO_ARP);
private = &tmp;

4
net/ipv4/netfilter/ip_tables.c
View File

@ -1132,10 +1132,10 @@ static int get_info(struct net *net, void __user *user, int *len, int compat)
if (t && !IS_ERR(t)) {
struct ipt_getinfo info;
const struct xt_table_info *private = t->private;
#ifdef CONFIG_COMPAT
struct xt_table_info tmp;
if (compat) {
struct xt_table_info tmp;
ret = compat_table_info(private, &tmp);
xt_compat_flush_offsets(AF_INET);
private = &tmp;

2
net/ipv4/netfilter/nf_conntrack_l3proto_ipv4.c
View File

@ -210,7 +210,7 @@ static ctl_table ip_ct_sysctl_table[] = {
},
{
.procname = "ip_conntrack_buckets",
.data = &nf_conntrack_htable_size,
.data = &init_net.ct.htable_size,
.maxlen = sizeof(unsigned int),
.mode = 0444,
.proc_handler = proc_dointvec,

4
net/ipv4/netfilter/nf_conntrack_l3proto_ipv4_compat.c
View File

@ -32,7 +32,7 @@ static struct hlist_nulls_node *ct_get_first(struct seq_file *seq)
struct hlist_nulls_node *n;
for (st->bucket = 0;
st->bucket < nf_conntrack_htable_size;
st->bucket < net->ct.htable_size;
st->bucket++) {
n = rcu_dereference(net->ct.hash[st->bucket].first);
if (!is_a_nulls(n))
@ -50,7 +50,7 @@ static struct hlist_nulls_node *ct_get_next(struct seq_file *seq,
head = rcu_dereference(head->next);
while (is_a_nulls(head)) {
if (likely(get_nulls_value(head) == st->bucket)) {
if (++st->bucket >= nf_conntrack_htable_size)
if (++st->bucket >= net->ct.htable_size)
return NULL;
}
head = rcu_dereference(net->ct.hash[st->bucket].first);

22
net/ipv4/netfilter/nf_nat_core.c
View File

@ -35,9 +35,6 @@ static DEFINE_SPINLOCK(nf_nat_lock);
static struct nf_conntrack_l3proto *l3proto __read_mostly;
/* Calculated at init based on memory size */
static unsigned int nf_nat_htable_size __read_mostly;
#define MAX_IP_NAT_PROTO 256
static const struct nf_nat_protocol *nf_nat_protos[MAX_IP_NAT_PROTO]
__read_mostly;
@ -72,7 +69,7 @@ EXPORT_SYMBOL_GPL(nf_nat_proto_put);
/* We keep an extra hash for each conntrack, for fast searching. */
static inline unsigned int
hash_by_src(const struct nf_conntrack_tuple *tuple)
hash_by_src(const struct net *net, const struct nf_conntrack_tuple *tuple)
{
unsigned int hash;
@ -80,7 +77,7 @@ hash_by_src(const struct nf_conntrack_tuple *tuple)
hash = jhash_3words((__force u32)tuple->src.u3.ip,
(__force u32)tuple->src.u.all,
tuple->dst.protonum, 0);
return ((u64)hash * nf_nat_htable_size) >> 32;
return ((u64)hash * net->ipv4.nat_htable_size) >> 32;
}
/* Is this tuple already taken? (not by us) */
@ -147,7 +144,7 @@ find_appropriate_src(struct net *net,
struct nf_conntrack_tuple *result,
const struct nf_nat_range *range)
{
unsigned int h = hash_by_src(tuple);
unsigned int h = hash_by_src(net, tuple);
const struct nf_conn_nat *nat;
const struct nf_conn *ct;
const struct hlist_node *n;
@ -330,7 +327,7 @@ nf_nat_setup_info(struct nf_conn *ct,
if (have_to_hash) {
unsigned int srchash;
srchash = hash_by_src(&ct->tuplehash[IP_CT_DIR_ORIGINAL].tuple);
srchash = hash_by_src(net, &ct->tuplehash[IP_CT_DIR_ORIGINAL].tuple);
spin_lock_bh(&nf_nat_lock);
/* nf_conntrack_alter_reply might re-allocate exntension aera */
nat = nfct_nat(ct);
@ -679,8 +676,10 @@ nfnetlink_parse_nat_setup(struct nf_conn *ct,
static int __net_init nf_nat_net_init(struct net *net)
{
net->ipv4.nat_bysource = nf_ct_alloc_hashtable(&nf_nat_htable_size,
&net->ipv4.nat_vmalloced, 0);
/* Leave them the same for the moment. */
net->ipv4.nat_htable_size = net->ct.htable_size;
net->ipv4.nat_bysource = nf_ct_alloc_hashtable(&net->ipv4.nat_htable_size,
&net->ipv4.nat_vmalloced, 0);
if (!net->ipv4.nat_bysource)
return -ENOMEM;
return 0;
@ -703,7 +702,7 @@ static void __net_exit nf_nat_net_exit(struct net *net)
nf_ct_iterate_cleanup(net, &clean_nat, NULL);
synchronize_rcu();
nf_ct_free_hashtable(net->ipv4.nat_bysource, net->ipv4.nat_vmalloced,
nf_nat_htable_size);
net->ipv4.nat_htable_size);
}
static struct pernet_operations nf_nat_net_ops = {
@ -724,9 +723,6 @@ static int __init nf_nat_init(void)
return ret;
}
/* Leave them the same for the moment. */
nf_nat_htable_size = nf_conntrack_htable_size;
ret = register_pernet_subsys(&nf_nat_net_ops);
if (ret < 0)
goto cleanup_extend;

4
net/ipv6/netfilter/ip6_tables.c
View File

@ -1164,10 +1164,10 @@ static int get_info(struct net *net, void __user *user, int *len, int compat)
if (t && !IS_ERR(t)) {
struct ip6t_getinfo info;
const struct xt_table_info *private = t->private;
#ifdef CONFIG_COMPAT
struct xt_table_info tmp;
if (compat) {
struct xt_table_info tmp;
ret = compat_table_info(private, &tmp);
xt_compat_flush_offsets(AF_INET6);
private = &tmp;

5
net/irda/irnet/irnet_ppp.c
View File

@ -698,15 +698,18 @@ dev_irnet_ioctl(
/* Query PPP channel and unit number */
case PPPIOCGCHAN:
lock_kernel();
if(ap->ppp_open && !put_user(ppp_channel_index(&ap->chan),
(int __user *)argp))
err = 0;
unlock_kernel();
break;
case PPPIOCGUNIT:
lock_kernel();
if(ap->ppp_open && !put_user(ppp_unit_number(&ap->chan),
(int __user *)argp))
err = 0;
err = 0;
unlock_kernel();
break;
/* All these ioctls can be passed both directly and from ppp_generic,

116
net/netfilter/nf_conntrack_core.c
View File

@ -30,6 +30,7 @@
#include <linux/netdevice.h>
#include <linux/socket.h>
#include <linux/mm.h>
#include <linux/nsproxy.h>
#include <linux/rculist_nulls.h>
#include <net/netfilter/nf_conntrack.h>
@ -63,8 +64,6 @@ EXPORT_SYMBOL_GPL(nf_conntrack_max);
struct nf_conn nf_conntrack_untracked __read_mostly;
EXPORT_SYMBOL_GPL(nf_conntrack_untracked);
static struct kmem_cache *nf_conntrack_cachep __read_mostly;
static int nf_conntrack_hash_rnd_initted;
static unsigned int nf_conntrack_hash_rnd;
@ -86,9 +85,10 @@ static u_int32_t __hash_conntrack(const struct nf_conntrack_tuple *tuple,
return ((u64)h * size) >> 32;
}
static inline u_int32_t hash_conntrack(const struct nf_conntrack_tuple *tuple)
static inline u_int32_t hash_conntrack(const struct net *net,
const struct nf_conntrack_tuple *tuple)
{
return __hash_conntrack(tuple, nf_conntrack_htable_size,
return __hash_conntrack(tuple, net->ct.htable_size,
nf_conntrack_hash_rnd);
}
@ -296,7 +296,7 @@ __nf_conntrack_find(struct net *net, const struct nf_conntrack_tuple *tuple)
{
struct nf_conntrack_tuple_hash *h;
struct hlist_nulls_node *n;
unsigned int hash = hash_conntrack(tuple);
unsigned int hash = hash_conntrack(net, tuple);
/* Disable BHs the entire time since we normally need to disable them
* at least once for the stats anyway.
@ -366,10 +366,11 @@ static void __nf_conntrack_hash_insert(struct nf_conn *ct,
void nf_conntrack_hash_insert(struct nf_conn *ct)
{
struct net *net = nf_ct_net(ct);
unsigned int hash, repl_hash;
hash = hash_conntrack(&ct->tuplehash[IP_CT_DIR_ORIGINAL].tuple);
repl_hash = hash_conntrack(&ct->tuplehash[IP_CT_DIR_REPLY].tuple);
hash = hash_conntrack(net, &ct->tuplehash[IP_CT_DIR_ORIGINAL].tuple);
repl_hash = hash_conntrack(net, &ct->tuplehash[IP_CT_DIR_REPLY].tuple);
__nf_conntrack_hash_insert(ct, hash, repl_hash);
}
@ -397,8 +398,8 @@ __nf_conntrack_confirm(struct sk_buff *skb)
if (CTINFO2DIR(ctinfo) != IP_CT_DIR_ORIGINAL)
return NF_ACCEPT;
hash = hash_conntrack(&ct->tuplehash[IP_CT_DIR_ORIGINAL].tuple);
repl_hash = hash_conntrack(&ct->tuplehash[IP_CT_DIR_REPLY].tuple);
hash = hash_conntrack(net, &ct->tuplehash[IP_CT_DIR_ORIGINAL].tuple);
repl_hash = hash_conntrack(net, &ct->tuplehash[IP_CT_DIR_REPLY].tuple);
/* We're not in hash table, and we refuse to set up related
connections for unconfirmed conns. But packet copies and
@ -468,7 +469,7 @@ nf_conntrack_tuple_taken(const struct nf_conntrack_tuple *tuple,
struct net *net = nf_ct_net(ignored_conntrack);
struct nf_conntrack_tuple_hash *h;
struct hlist_nulls_node *n;
unsigned int hash = hash_conntrack(tuple);
unsigned int hash = hash_conntrack(net, tuple);
/* Disable BHs the entire time since we need to disable them at
* least once for the stats anyway.
@ -503,7 +504,7 @@ static noinline int early_drop(struct net *net, unsigned int hash)
int dropped = 0;
rcu_read_lock();
for (i = 0; i < nf_conntrack_htable_size; i++) {
for (i = 0; i < net->ct.htable_size; i++) {
hlist_nulls_for_each_entry_rcu(h, n, &net->ct.hash[hash],
hnnode) {
tmp = nf_ct_tuplehash_to_ctrack(h);
@ -523,7 +524,7 @@ static noinline int early_drop(struct net *net, unsigned int hash)
if (cnt >= NF_CT_EVICTION_RANGE)
break;
hash = (hash + 1) % nf_conntrack_htable_size;
hash = (hash + 1) % net->ct.htable_size;
}
rcu_read_unlock();
@ -557,7 +558,7 @@ struct nf_conn *nf_conntrack_alloc(struct net *net,
if (nf_conntrack_max &&
unlikely(atomic_read(&net->ct.count) > nf_conntrack_max)) {
unsigned int hash = hash_conntrack(orig);
unsigned int hash = hash_conntrack(net, orig);
if (!early_drop(net, hash)) {
atomic_dec(&net->ct.count);
if (net_ratelimit())
@ -572,7 +573,7 @@ struct nf_conn *nf_conntrack_alloc(struct net *net,
* Do not use kmem_cache_zalloc(), as this cache uses
* SLAB_DESTROY_BY_RCU.
*/
ct = kmem_cache_alloc(nf_conntrack_cachep, gfp);
ct = kmem_cache_alloc(net->ct.nf_conntrack_cachep, gfp);
if (ct == NULL) {
pr_debug("nf_conntrack_alloc: Can't alloc conntrack.\n");
atomic_dec(&net->ct.count);
@ -611,7 +612,7 @@ void nf_conntrack_free(struct nf_conn *ct)
nf_ct_ext_destroy(ct);
atomic_dec(&net->ct.count);
nf_ct_ext_free(ct);
kmem_cache_free(nf_conntrack_cachep, ct);
kmem_cache_free(net->ct.nf_conntrack_cachep, ct);
}
EXPORT_SYMBOL_GPL(nf_conntrack_free);
@ -1014,7 +1015,7 @@ get_next_corpse(struct net *net, int (*iter)(struct nf_conn *i, void *data),
struct hlist_nulls_node *n;
spin_lock_bh(&nf_conntrack_lock);
for (; *bucket < nf_conntrack_htable_size; (*bucket)++) {
for (; *bucket < net->ct.htable_size; (*bucket)++) {
hlist_nulls_for_each_entry(h, n, &net->ct.hash[*bucket], hnnode) {
ct = nf_ct_tuplehash_to_ctrack(h);
if (iter(ct, data))
@ -1113,9 +1114,12 @@ static void nf_ct_release_dying_list(struct net *net)
static void nf_conntrack_cleanup_init_net(void)
{
/* wait until all references to nf_conntrack_untracked are dropped */
while (atomic_read(&nf_conntrack_untracked.ct_general.use) > 1)
schedule();
nf_conntrack_helper_fini();
nf_conntrack_proto_fini();
kmem_cache_destroy(nf_conntrack_cachep);
}
static void nf_conntrack_cleanup_net(struct net *net)
@ -1127,15 +1131,14 @@ static void nf_conntrack_cleanup_net(struct net *net)
schedule();
goto i_see_dead_people;
}
/* wait until all references to nf_conntrack_untracked are dropped */
while (atomic_read(&nf_conntrack_untracked.ct_general.use) > 1)
schedule();
nf_ct_free_hashtable(net->ct.hash, net->ct.hash_vmalloc,
nf_conntrack_htable_size);
net->ct.htable_size);
nf_conntrack_ecache_fini(net);
nf_conntrack_acct_fini(net);
nf_conntrack_expect_fini(net);
kmem_cache_destroy(net->ct.nf_conntrack_cachep);
kfree(net->ct.slabname);
free_percpu(net->ct.stat);
}
@ -1190,10 +1193,12 @@ int nf_conntrack_set_hashsize(const char *val, struct kernel_param *kp)
{
int i, bucket, vmalloced, old_vmalloced;
unsigned int hashsize, old_size;
int rnd;
struct hlist_nulls_head *hash, *old_hash;
struct nf_conntrack_tuple_hash *h;
if (current->nsproxy->net_ns != &init_net)
return -EOPNOTSUPP;
/* On boot, we can set this without any fancy locking. */
if (!nf_conntrack_htable_size)
return param_set_uint(val, kp);
@ -1206,33 +1211,29 @@ int nf_conntrack_set_hashsize(const char *val, struct kernel_param *kp)
if (!hash)
return -ENOMEM;
/* We have to rehahs for the new table anyway, so we also can
* use a newrandom seed */
get_random_bytes(&rnd, sizeof(rnd));
/* Lookups in the old hash might happen in parallel, which means we
* might get false negatives during connection lookup. New connections
* created because of a false negative won't make it into the hash
* though since that required taking the lock.
*/
spin_lock_bh(&nf_conntrack_lock);
for (i = 0; i < nf_conntrack_htable_size; i++) {
for (i = 0; i < init_net.ct.htable_size; i++) {
while (!hlist_nulls_empty(&init_net.ct.hash[i])) {
h = hlist_nulls_entry(init_net.ct.hash[i].first,
struct nf_conntrack_tuple_hash, hnnode);
hlist_nulls_del_rcu(&h->hnnode);
bucket = __hash_conntrack(&h->tuple, hashsize, rnd);
bucket = __hash_conntrack(&h->tuple, hashsize,
nf_conntrack_hash_rnd);
hlist_nulls_add_head_rcu(&h->hnnode, &hash[bucket]);
}
}
old_size = nf_conntrack_htable_size;
old_size = init_net.ct.htable_size;
old_vmalloced = init_net.ct.hash_vmalloc;
old_hash = init_net.ct.hash;
nf_conntrack_htable_size = hashsize;
init_net.ct.htable_size = nf_conntrack_htable_size = hashsize;
init_net.ct.hash_vmalloc = vmalloced;
init_net.ct.hash = hash;
nf_conntrack_hash_rnd = rnd;
spin_unlock_bh(&nf_conntrack_lock);
nf_ct_free_hashtable(old_hash, old_vmalloced, old_size);
@ -1271,15 +1272,6 @@ static int nf_conntrack_init_init_net(void)
NF_CONNTRACK_VERSION, nf_conntrack_htable_size,
nf_conntrack_max);
nf_conntrack_cachep = kmem_cache_create("nf_conntrack",
sizeof(struct nf_conn),
0, SLAB_DESTROY_BY_RCU, NULL);
if (!nf_conntrack_cachep) {
printk(KERN_ERR "Unable to create nf_conn slab cache\n");
ret = -ENOMEM;
goto err_cache;
}
ret = nf_conntrack_proto_init();
if (ret < 0)
goto err_proto;
@ -1288,13 +1280,19 @@ static int nf_conntrack_init_init_net(void)
if (ret < 0)
goto err_helper;
/* Set up fake conntrack: to never be deleted, not in any hashes */
#ifdef CONFIG_NET_NS
nf_conntrack_untracked.ct_net = &init_net;
#endif
atomic_set(&nf_conntrack_untracked.ct_general.use, 1);
/* - and look it like as a confirmed connection */
set_bit(IPS_CONFIRMED_BIT, &nf_conntrack_untracked.status);
return 0;
err_helper:
nf_conntrack_proto_fini();
err_proto:
kmem_cache_destroy(nf_conntrack_cachep);
err_cache:
return ret;
}
@ -1316,7 +1314,24 @@ static int nf_conntrack_init_net(struct net *net)
ret = -ENOMEM;
goto err_stat;
}
net->ct.hash = nf_ct_alloc_hashtable(&nf_conntrack_htable_size,
net->ct.slabname = kasprintf(GFP_KERNEL, "nf_conntrack_%p", net);
if (!net->ct.slabname) {
ret = -ENOMEM;
goto err_slabname;
}
net->ct.nf_conntrack_cachep = kmem_cache_create(net->ct.slabname,
sizeof(struct nf_conn), 0,
SLAB_DESTROY_BY_RCU, NULL);
if (!net->ct.nf_conntrack_cachep) {
printk(KERN_ERR "Unable to create nf_conn slab cache\n");
ret = -ENOMEM;
goto err_cache;
}
net->ct.htable_size = nf_conntrack_htable_size;
net->ct.hash = nf_ct_alloc_hashtable(&net->ct.htable_size,
&net->ct.hash_vmalloc, 1);
if (!net->ct.hash) {
ret = -ENOMEM;
@ -1333,15 +1348,6 @@ static int nf_conntrack_init_net(struct net *net)
if (ret < 0)
goto err_ecache;
/* Set up fake conntrack:
- to never be deleted, not in any hashes */
#ifdef CONFIG_NET_NS
nf_conntrack_untracked.ct_net = &init_net;
#endif
atomic_set(&nf_conntrack_untracked.ct_general.use, 1);
/* - and look it like as a confirmed connection */
set_bit(IPS_CONFIRMED_BIT, &nf_conntrack_untracked.status);
return 0;
err_ecache:
@ -1350,8 +1356,12 @@ err_acct:
nf_conntrack_expect_fini(net);
err_expect:
nf_ct_free_hashtable(net->ct.hash, net->ct.hash_vmalloc,
nf_conntrack_htable_size);
net->ct.htable_size);
err_hash:
kmem_cache_destroy(net->ct.nf_conntrack_cachep);
err_cache:
kfree(net->ct.slabname);
err_slabname:
free_percpu(net->ct.stat);
err_stat:
return ret;

4
net/netfilter/nf_conntrack_expect.c
View File

@ -569,7 +569,7 @@ static void exp_proc_remove(struct net *net)
#endif /* CONFIG_PROC_FS */
}
module_param_named(expect_hashsize, nf_ct_expect_hsize, uint, 0600);
module_param_named(expect_hashsize, nf_ct_expect_hsize, uint, 0400);
int nf_conntrack_expect_init(struct net *net)
{
@ -577,7 +577,7 @@ int nf_conntrack_expect_init(struct net *net)
if (net_eq(net, &init_net)) {
if (!nf_ct_expect_hsize) {
nf_ct_expect_hsize = nf_conntrack_htable_size / 256;
nf_ct_expect_hsize = net->ct.htable_size / 256;
if (!nf_ct_expect_hsize)
nf_ct_expect_hsize = 1;
}

2
net/netfilter/nf_conntrack_helper.c
View File

@ -192,7 +192,7 @@ static void __nf_conntrack_helper_unregister(struct nf_conntrack_helper *me,
/* Get rid of expecteds, set helpers to NULL. */
hlist_nulls_for_each_entry(h, nn, &net->ct.unconfirmed, hnnode)
unhelp(h, me);
for (i = 0; i < nf_conntrack_htable_size; i++) {
for (i = 0; i < net->ct.htable_size; i++) {
hlist_nulls_for_each_entry(h, nn, &net->ct.hash[i], hnnode)
unhelp(h, me);
}

2
net/netfilter/nf_conntrack_netlink.c
View File

@ -594,7 +594,7 @@ ctnetlink_dump_table(struct sk_buff *skb, struct netlink_callback *cb)
rcu_read_lock();
last = (struct nf_conn *)cb->args[1];
for (; cb->args[0] < nf_conntrack_htable_size; cb->args[0]++) {
for (; cb->args[0] < init_net.ct.htable_size; cb->args[0]++) {
restart:
hlist_nulls_for_each_entry_rcu(h, n, &init_net.ct.hash[cb->args[0]],
hnnode) {

7
net/netfilter/nf_conntrack_standalone.c
View File

@ -51,7 +51,7 @@ static struct hlist_nulls_node *ct_get_first(struct seq_file *seq)
struct hlist_nulls_node *n;
for (st->bucket = 0;
st->bucket < nf_conntrack_htable_size;
st->bucket < net->ct.htable_size;
st->bucket++) {
n = rcu_dereference(net->ct.hash[st->bucket].first);
if (!is_a_nulls(n))
@ -69,7 +69,7 @@ static struct hlist_nulls_node *ct_get_next(struct seq_file *seq,
head = rcu_dereference(head->next);
while (is_a_nulls(head)) {
if (likely(get_nulls_value(head) == st->bucket)) {
if (++st->bucket >= nf_conntrack_htable_size)
if (++st->bucket >= net->ct.htable_size)
return NULL;
}
head = rcu_dereference(net->ct.hash[st->bucket].first);
@ -355,7 +355,7 @@ static ctl_table nf_ct_sysctl_table[] = {
},
{
.procname = "nf_conntrack_buckets",
.data = &nf_conntrack_htable_size,
.data = &init_net.ct.htable_size,
.maxlen = sizeof(unsigned int),
.mode = 0444,
.proc_handler = proc_dointvec,
@ -421,6 +421,7 @@ static int nf_conntrack_standalone_init_sysctl(struct net *net)
goto out_kmemdup;
table[1].data = &net->ct.count;
table[2].data = &net->ct.htable_size;
table[3].data = &net->ct.sysctl_checksum;
table[4].data = &net->ct.sysctl_log_invalid;

16
net/sched/Kconfig
View File

@ -433,7 +433,7 @@ config NET_ACT_POLICE
module.
To compile this code as a module, choose M here: the
module will be called police.
module will be called act_police.
config NET_ACT_GACT
tristate "Generic actions"
@ -443,7 +443,7 @@ config NET_ACT_GACT
accepting packets.
To compile this code as a module, choose M here: the
module will be called gact.
module will be called act_gact.
config GACT_PROB
bool "Probability support"
@ -459,7 +459,7 @@ config NET_ACT_MIRRED
other devices.
To compile this code as a module, choose M here: the
module will be called mirred.
module will be called act_mirred.
config NET_ACT_IPT
tristate "IPtables targets"
@ -469,7 +469,7 @@ config NET_ACT_IPT
classification.
To compile this code as a module, choose M here: the
module will be called ipt.
module will be called act_ipt.
config NET_ACT_NAT
tristate "Stateless NAT"
@ -479,7 +479,7 @@ config NET_ACT_NAT
netfilter for NAT unless you know what you are doing.
To compile this code as a module, choose M here: the
module will be called nat.
module will be called act_nat.
config NET_ACT_PEDIT
tristate "Packet Editing"
@ -488,7 +488,7 @@ config NET_ACT_PEDIT
Say Y here if you want to mangle the content of packets.
To compile this code as a module, choose M here: the
module will be called pedit.
module will be called act_pedit.
config NET_ACT_SIMP
tristate "Simple Example (Debug)"
@ -502,7 +502,7 @@ config NET_ACT_SIMP
If unsure, say N.
To compile this code as a module, choose M here: the
module will be called simple.
module will be called act_simple.
config NET_ACT_SKBEDIT
tristate "SKB Editing"
@ -513,7 +513,7 @@ config NET_ACT_SKBEDIT
If unsure, say N.
To compile this code as a module, choose M here: the
module will be called skbedit.
module will be called act_skbedit.
config NET_CLS_IND
bool "Incoming device classification"