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Diffstat (limited to 'net')
-rw-r--r--net/8021q/vlan_dev.c2
-rw-r--r--net/ipv4/tcp_probe.c19
-rw-r--r--net/ipv4/xfrm4_policy.c14
-rw-r--r--net/ipv6/netfilter/nf_conntrack_reasm.c1
-rw-r--r--net/ipv6/xfrm6_policy.c25
-rw-r--r--net/mac80211/driver-trace.h2
-rw-r--r--net/xfrm/xfrm_policy.c75
-rw-r--r--net/xfrm/xfrm_state.c6
-rw-r--r--net/xfrm/xfrm_user.c14
9 files changed, 110 insertions, 48 deletions
diff --git a/net/8021q/vlan_dev.c b/net/8021q/vlan_dev.c
index 77a49ffdd0ef..a9e1f1785614 100644
--- a/net/8021q/vlan_dev.c
+++ b/net/8021q/vlan_dev.c
@@ -163,7 +163,7 @@ int vlan_skb_recv(struct sk_buff *skb, struct net_device *dev,
goto err_unlock;
}
- rx_stats = per_cpu_ptr(vlan_dev_info(dev)->vlan_rx_stats,
+ rx_stats = per_cpu_ptr(vlan_dev_info(skb->dev)->vlan_rx_stats,
smp_processor_id());
rx_stats->rx_packets++;
rx_stats->rx_bytes += skb->len;
diff --git a/net/ipv4/tcp_probe.c b/net/ipv4/tcp_probe.c
index bb110c5ce1d2..9bc805df95d2 100644
--- a/net/ipv4/tcp_probe.c
+++ b/net/ipv4/tcp_probe.c
@@ -39,9 +39,9 @@ static int port __read_mostly = 0;
MODULE_PARM_DESC(port, "Port to match (0=all)");
module_param(port, int, 0);
-static int bufsize __read_mostly = 4096;
+static unsigned int bufsize __read_mostly = 4096;
MODULE_PARM_DESC(bufsize, "Log buffer size in packets (4096)");
-module_param(bufsize, int, 0);
+module_param(bufsize, uint, 0);
static int full __read_mostly;
MODULE_PARM_DESC(full, "Full log (1=every ack packet received, 0=only cwnd changes)");
@@ -75,12 +75,12 @@ static struct {
static inline int tcp_probe_used(void)
{
- return (tcp_probe.head - tcp_probe.tail) % bufsize;
+ return (tcp_probe.head - tcp_probe.tail) & (bufsize - 1);
}
static inline int tcp_probe_avail(void)
{
- return bufsize - tcp_probe_used();
+ return bufsize - tcp_probe_used() - 1;
}
/*
@@ -116,7 +116,7 @@ static int jtcp_rcv_established(struct sock *sk, struct sk_buff *skb,
p->ssthresh = tcp_current_ssthresh(sk);
p->srtt = tp->srtt >> 3;
- tcp_probe.head = (tcp_probe.head + 1) % bufsize;
+ tcp_probe.head = (tcp_probe.head + 1) & (bufsize - 1);
}
tcp_probe.lastcwnd = tp->snd_cwnd;
spin_unlock(&tcp_probe.lock);
@@ -149,7 +149,7 @@ static int tcpprobe_open(struct inode * inode, struct file * file)
static int tcpprobe_sprint(char *tbuf, int n)
{
const struct tcp_log *p
- = tcp_probe.log + tcp_probe.tail % bufsize;
+ = tcp_probe.log + tcp_probe.tail;
struct timespec tv
= ktime_to_timespec(ktime_sub(p->tstamp, tcp_probe.start));
@@ -192,7 +192,7 @@ static ssize_t tcpprobe_read(struct file *file, char __user *buf,
width = tcpprobe_sprint(tbuf, sizeof(tbuf));
if (cnt + width < len)
- tcp_probe.tail = (tcp_probe.tail + 1) % bufsize;
+ tcp_probe.tail = (tcp_probe.tail + 1) & (bufsize - 1);
spin_unlock_bh(&tcp_probe.lock);
@@ -222,9 +222,10 @@ static __init int tcpprobe_init(void)
init_waitqueue_head(&tcp_probe.wait);
spin_lock_init(&tcp_probe.lock);
- if (bufsize < 0)
+ if (bufsize == 0)
return -EINVAL;
+ bufsize = roundup_pow_of_two(bufsize);
tcp_probe.log = kcalloc(bufsize, sizeof(struct tcp_log), GFP_KERNEL);
if (!tcp_probe.log)
goto err0;
@@ -236,7 +237,7 @@ static __init int tcpprobe_init(void)
if (ret)
goto err1;
- pr_info("TCP probe registered (port=%d)\n", port);
+ pr_info("TCP probe registered (port=%d) bufsize=%u\n", port, bufsize);
return 0;
err1:
proc_net_remove(&init_net, procname);
diff --git a/net/ipv4/xfrm4_policy.c b/net/ipv4/xfrm4_policy.c
index 8c08a28d8f83..67107d63c1cd 100644
--- a/net/ipv4/xfrm4_policy.c
+++ b/net/ipv4/xfrm4_policy.c
@@ -15,7 +15,6 @@
#include <net/xfrm.h>
#include <net/ip.h>
-static struct dst_ops xfrm4_dst_ops;
static struct xfrm_policy_afinfo xfrm4_policy_afinfo;
static struct dst_entry *xfrm4_dst_lookup(struct net *net, int tos,
@@ -190,8 +189,10 @@ _decode_session4(struct sk_buff *skb, struct flowi *fl, int reverse)
static inline int xfrm4_garbage_collect(struct dst_ops *ops)
{
- xfrm4_policy_afinfo.garbage_collect(&init_net);
- return (atomic_read(&xfrm4_dst_ops.entries) > xfrm4_dst_ops.gc_thresh*2);
+ struct net *net = container_of(ops, struct net, xfrm.xfrm4_dst_ops);
+
+ xfrm4_policy_afinfo.garbage_collect(net);
+ return (atomic_read(&ops->entries) > ops->gc_thresh * 2);
}
static void xfrm4_update_pmtu(struct dst_entry *dst, u32 mtu)
@@ -268,7 +269,7 @@ static struct xfrm_policy_afinfo xfrm4_policy_afinfo = {
static struct ctl_table xfrm4_policy_table[] = {
{
.procname = "xfrm4_gc_thresh",
- .data = &xfrm4_dst_ops.gc_thresh,
+ .data = &init_net.xfrm.xfrm4_dst_ops.gc_thresh,
.maxlen = sizeof(int),
.mode = 0644,
.proc_handler = proc_dointvec,
@@ -295,8 +296,6 @@ static void __exit xfrm4_policy_fini(void)
void __init xfrm4_init(int rt_max_size)
{
- xfrm4_state_init();
- xfrm4_policy_init();
/*
* Select a default value for the gc_thresh based on the main route
* table hash size. It seems to me the worst case scenario is when
@@ -308,6 +307,9 @@ void __init xfrm4_init(int rt_max_size)
* and start cleaning when were 1/2 full
*/
xfrm4_dst_ops.gc_thresh = rt_max_size/2;
+
+ xfrm4_state_init();
+ xfrm4_policy_init();
#ifdef CONFIG_SYSCTL
sysctl_hdr = register_net_sysctl_table(&init_net, net_ipv4_ctl_path,
xfrm4_policy_table);
diff --git a/net/ipv6/netfilter/nf_conntrack_reasm.c b/net/ipv6/netfilter/nf_conntrack_reasm.c
index 312c20adc83f..624a54832a7c 100644
--- a/net/ipv6/netfilter/nf_conntrack_reasm.c
+++ b/net/ipv6/netfilter/nf_conntrack_reasm.c
@@ -63,6 +63,7 @@ struct nf_ct_frag6_queue
struct inet_frag_queue q;
__be32 id; /* fragment id */
+ u32 user;
struct in6_addr saddr;
struct in6_addr daddr;
diff --git a/net/ipv6/xfrm6_policy.c b/net/ipv6/xfrm6_policy.c
index 7254e3f899a7..dbdc696f5fc5 100644
--- a/net/ipv6/xfrm6_policy.c
+++ b/net/ipv6/xfrm6_policy.c
@@ -24,7 +24,6 @@
#include <net/mip6.h>
#endif
-static struct dst_ops xfrm6_dst_ops;
static struct xfrm_policy_afinfo xfrm6_policy_afinfo;
static struct dst_entry *xfrm6_dst_lookup(struct net *net, int tos,
@@ -224,8 +223,10 @@ _decode_session6(struct sk_buff *skb, struct flowi *fl, int reverse)
static inline int xfrm6_garbage_collect(struct dst_ops *ops)
{
- xfrm6_policy_afinfo.garbage_collect(&init_net);
- return (atomic_read(&xfrm6_dst_ops.entries) > xfrm6_dst_ops.gc_thresh*2);
+ struct net *net = container_of(ops, struct net, xfrm.xfrm6_dst_ops);
+
+ xfrm6_policy_afinfo.garbage_collect(net);
+ return (atomic_read(&ops->entries) > ops->gc_thresh * 2);
}
static void xfrm6_update_pmtu(struct dst_entry *dst, u32 mtu)
@@ -310,7 +311,7 @@ static void xfrm6_policy_fini(void)
static struct ctl_table xfrm6_policy_table[] = {
{
.procname = "xfrm6_gc_thresh",
- .data = &xfrm6_dst_ops.gc_thresh,
+ .data = &init_net.xfrm.xfrm6_dst_ops.gc_thresh,
.maxlen = sizeof(int),
.mode = 0644,
.proc_handler = proc_dointvec,
@@ -326,13 +327,6 @@ int __init xfrm6_init(void)
int ret;
unsigned int gc_thresh;
- ret = xfrm6_policy_init();
- if (ret)
- goto out;
-
- ret = xfrm6_state_init();
- if (ret)
- goto out_policy;
/*
* We need a good default value for the xfrm6 gc threshold.
* In ipv4 we set it to the route hash table size * 8, which
@@ -346,6 +340,15 @@ int __init xfrm6_init(void)
*/
gc_thresh = FIB6_TABLE_HASHSZ * 8;
xfrm6_dst_ops.gc_thresh = (gc_thresh < 1024) ? 1024 : gc_thresh;
+
+ ret = xfrm6_policy_init();
+ if (ret)
+ goto out;
+
+ ret = xfrm6_state_init();
+ if (ret)
+ goto out_policy;
+
#ifdef CONFIG_SYSCTL
sysctl_hdr = register_net_sysctl_table(&init_net, net_ipv6_ctl_path,
xfrm6_policy_table);
diff --git a/net/mac80211/driver-trace.h b/net/mac80211/driver-trace.h
index 0ea258123b8e..d6bd9f517401 100644
--- a/net/mac80211/driver-trace.h
+++ b/net/mac80211/driver-trace.h
@@ -705,7 +705,7 @@ TRACE_EVENT(drv_ampdu_action,
__entry->ret = ret;
__entry->action = action;
__entry->tid = tid;
- __entry->ssn = *ssn;
+ __entry->ssn = ssn ? *ssn : 0;
),
TP_printk(
diff --git a/net/xfrm/xfrm_policy.c b/net/xfrm/xfrm_policy.c
index 4725a549ad4d..0ecb16a9a883 100644
--- a/net/xfrm/xfrm_policy.c
+++ b/net/xfrm/xfrm_policy.c
@@ -469,16 +469,16 @@ static inline int xfrm_byidx_should_resize(struct net *net, int total)
return 0;
}
-void xfrm_spd_getinfo(struct xfrmk_spdinfo *si)
+void xfrm_spd_getinfo(struct net *net, struct xfrmk_spdinfo *si)
{
read_lock_bh(&xfrm_policy_lock);
- si->incnt = init_net.xfrm.policy_count[XFRM_POLICY_IN];
- si->outcnt = init_net.xfrm.policy_count[XFRM_POLICY_OUT];
- si->fwdcnt = init_net.xfrm.policy_count[XFRM_POLICY_FWD];
- si->inscnt = init_net.xfrm.policy_count[XFRM_POLICY_IN+XFRM_POLICY_MAX];
- si->outscnt = init_net.xfrm.policy_count[XFRM_POLICY_OUT+XFRM_POLICY_MAX];
- si->fwdscnt = init_net.xfrm.policy_count[XFRM_POLICY_FWD+XFRM_POLICY_MAX];
- si->spdhcnt = init_net.xfrm.policy_idx_hmask;
+ si->incnt = net->xfrm.policy_count[XFRM_POLICY_IN];
+ si->outcnt = net->xfrm.policy_count[XFRM_POLICY_OUT];
+ si->fwdcnt = net->xfrm.policy_count[XFRM_POLICY_FWD];
+ si->inscnt = net->xfrm.policy_count[XFRM_POLICY_IN+XFRM_POLICY_MAX];
+ si->outscnt = net->xfrm.policy_count[XFRM_POLICY_OUT+XFRM_POLICY_MAX];
+ si->fwdscnt = net->xfrm.policy_count[XFRM_POLICY_FWD+XFRM_POLICY_MAX];
+ si->spdhcnt = net->xfrm.policy_idx_hmask;
si->spdhmcnt = xfrm_policy_hashmax;
read_unlock_bh(&xfrm_policy_lock);
}
@@ -1309,15 +1309,28 @@ static inline int xfrm_get_tos(struct flowi *fl, int family)
return tos;
}
-static inline struct xfrm_dst *xfrm_alloc_dst(int family)
+static inline struct xfrm_dst *xfrm_alloc_dst(struct net *net, int family)
{
struct xfrm_policy_afinfo *afinfo = xfrm_policy_get_afinfo(family);
+ struct dst_ops *dst_ops;
struct xfrm_dst *xdst;
if (!afinfo)
return ERR_PTR(-EINVAL);
- xdst = dst_alloc(afinfo->dst_ops) ?: ERR_PTR(-ENOBUFS);
+ switch (family) {
+ case AF_INET:
+ dst_ops = &net->xfrm.xfrm4_dst_ops;
+ break;
+#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
+ case AF_INET6:
+ dst_ops = &net->xfrm.xfrm6_dst_ops;
+ break;
+#endif
+ default:
+ BUG();
+ }
+ xdst = dst_alloc(dst_ops) ?: ERR_PTR(-ENOBUFS);
xfrm_policy_put_afinfo(afinfo);
@@ -1366,6 +1379,7 @@ static struct dst_entry *xfrm_bundle_create(struct xfrm_policy *policy,
struct flowi *fl,
struct dst_entry *dst)
{
+ struct net *net = xp_net(policy);
unsigned long now = jiffies;
struct net_device *dev;
struct dst_entry *dst_prev = NULL;
@@ -1389,7 +1403,7 @@ static struct dst_entry *xfrm_bundle_create(struct xfrm_policy *policy,
dst_hold(dst);
for (; i < nx; i++) {
- struct xfrm_dst *xdst = xfrm_alloc_dst(family);
+ struct xfrm_dst *xdst = xfrm_alloc_dst(net, family);
struct dst_entry *dst1 = &xdst->u.dst;
err = PTR_ERR(xdst);
@@ -2279,6 +2293,7 @@ EXPORT_SYMBOL(xfrm_bundle_ok);
int xfrm_policy_register_afinfo(struct xfrm_policy_afinfo *afinfo)
{
+ struct net *net;
int err = 0;
if (unlikely(afinfo == NULL))
return -EINVAL;
@@ -2302,6 +2317,27 @@ int xfrm_policy_register_afinfo(struct xfrm_policy_afinfo *afinfo)
xfrm_policy_afinfo[afinfo->family] = afinfo;
}
write_unlock_bh(&xfrm_policy_afinfo_lock);
+
+ rtnl_lock();
+ for_each_net(net) {
+ struct dst_ops *xfrm_dst_ops;
+
+ switch (afinfo->family) {
+ case AF_INET:
+ xfrm_dst_ops = &net->xfrm.xfrm4_dst_ops;
+ break;
+#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
+ case AF_INET6:
+ xfrm_dst_ops = &net->xfrm.xfrm6_dst_ops;
+ break;
+#endif
+ default:
+ BUG();
+ }
+ *xfrm_dst_ops = *afinfo->dst_ops;
+ }
+ rtnl_unlock();
+
return err;
}
EXPORT_SYMBOL(xfrm_policy_register_afinfo);
@@ -2332,6 +2368,22 @@ int xfrm_policy_unregister_afinfo(struct xfrm_policy_afinfo *afinfo)
}
EXPORT_SYMBOL(xfrm_policy_unregister_afinfo);
+static void __net_init xfrm_dst_ops_init(struct net *net)
+{
+ struct xfrm_policy_afinfo *afinfo;
+
+ read_lock_bh(&xfrm_policy_afinfo_lock);
+ afinfo = xfrm_policy_afinfo[AF_INET];
+ if (afinfo)
+ net->xfrm.xfrm4_dst_ops = *afinfo->dst_ops;
+#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
+ afinfo = xfrm_policy_afinfo[AF_INET6];
+ if (afinfo)
+ net->xfrm.xfrm6_dst_ops = *afinfo->dst_ops;
+#endif
+ read_unlock_bh(&xfrm_policy_afinfo_lock);
+}
+
static struct xfrm_policy_afinfo *xfrm_policy_get_afinfo(unsigned short family)
{
struct xfrm_policy_afinfo *afinfo;
@@ -2494,6 +2546,7 @@ static int __net_init xfrm_net_init(struct net *net)
rv = xfrm_policy_init(net);
if (rv < 0)
goto out_policy;
+ xfrm_dst_ops_init(net);
rv = xfrm_sysctl_init(net);
if (rv < 0)
goto out_sysctl;
diff --git a/net/xfrm/xfrm_state.c b/net/xfrm/xfrm_state.c
index d847f1a52b44..b36cc344474b 100644
--- a/net/xfrm/xfrm_state.c
+++ b/net/xfrm/xfrm_state.c
@@ -641,11 +641,11 @@ out:
}
EXPORT_SYMBOL(xfrm_state_flush);
-void xfrm_sad_getinfo(struct xfrmk_sadinfo *si)
+void xfrm_sad_getinfo(struct net *net, struct xfrmk_sadinfo *si)
{
spin_lock_bh(&xfrm_state_lock);
- si->sadcnt = init_net.xfrm.state_num;
- si->sadhcnt = init_net.xfrm.state_hmask;
+ si->sadcnt = net->xfrm.state_num;
+ si->sadhcnt = net->xfrm.state_hmask;
si->sadhmcnt = xfrm_state_hashmax;
spin_unlock_bh(&xfrm_state_lock);
}
diff --git a/net/xfrm/xfrm_user.c b/net/xfrm/xfrm_user.c
index 1ada6186933c..d5a712976004 100644
--- a/net/xfrm/xfrm_user.c
+++ b/net/xfrm/xfrm_user.c
@@ -781,7 +781,8 @@ static inline size_t xfrm_spdinfo_msgsize(void)
+ nla_total_size(sizeof(struct xfrmu_spdhinfo));
}
-static int build_spdinfo(struct sk_buff *skb, u32 pid, u32 seq, u32 flags)
+static int build_spdinfo(struct sk_buff *skb, struct net *net,
+ u32 pid, u32 seq, u32 flags)
{
struct xfrmk_spdinfo si;
struct xfrmu_spdinfo spc;
@@ -795,7 +796,7 @@ static int build_spdinfo(struct sk_buff *skb, u32 pid, u32 seq, u32 flags)
f = nlmsg_data(nlh);
*f = flags;
- xfrm_spd_getinfo(&si);
+ xfrm_spd_getinfo(net, &si);
spc.incnt = si.incnt;
spc.outcnt = si.outcnt;
spc.fwdcnt = si.fwdcnt;
@@ -828,7 +829,7 @@ static int xfrm_get_spdinfo(struct sk_buff *skb, struct nlmsghdr *nlh,
if (r_skb == NULL)
return -ENOMEM;
- if (build_spdinfo(r_skb, spid, seq, *flags) < 0)
+ if (build_spdinfo(r_skb, net, spid, seq, *flags) < 0)
BUG();
return nlmsg_unicast(net->xfrm.nlsk, r_skb, spid);
@@ -841,7 +842,8 @@ static inline size_t xfrm_sadinfo_msgsize(void)
+ nla_total_size(4); /* XFRMA_SAD_CNT */
}
-static int build_sadinfo(struct sk_buff *skb, u32 pid, u32 seq, u32 flags)
+static int build_sadinfo(struct sk_buff *skb, struct net *net,
+ u32 pid, u32 seq, u32 flags)
{
struct xfrmk_sadinfo si;
struct xfrmu_sadhinfo sh;
@@ -854,7 +856,7 @@ static int build_sadinfo(struct sk_buff *skb, u32 pid, u32 seq, u32 flags)
f = nlmsg_data(nlh);
*f = flags;
- xfrm_sad_getinfo(&si);
+ xfrm_sad_getinfo(net, &si);
sh.sadhmcnt = si.sadhmcnt;
sh.sadhcnt = si.sadhcnt;
@@ -882,7 +884,7 @@ static int xfrm_get_sadinfo(struct sk_buff *skb, struct nlmsghdr *nlh,
if (r_skb == NULL)
return -ENOMEM;
- if (build_sadinfo(r_skb, spid, seq, *flags) < 0)
+ if (build_sadinfo(r_skb, net, spid, seq, *flags) < 0)
BUG();
return nlmsg_unicast(net->xfrm.nlsk, r_skb, spid);
generated by cgit v1.2.3-58-ga151 (git 2.39.0) at 2024-11-23 05:37:45 +0000