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-rw-r--r--net/ipv4/Kconfig4
-rw-r--r--net/ipv4/Makefile2
-rw-r--r--net/ipv4/af_inet.c13
-rw-r--r--net/ipv4/ah4.c8
-rw-r--r--net/ipv4/arp.c34
-rw-r--r--net/ipv4/devinet.c5
-rw-r--r--net/ipv4/igmp.c20
-rw-r--r--net/ipv4/inet_connection_sock.c19
-rw-r--r--net/ipv4/inet_diag.c478
-rw-r--r--net/ipv4/ip_forward.c2
-rw-r--r--net/ipv4/ip_gre.c14
-rw-r--r--net/ipv4/ip_options.c4
-rw-r--r--net/ipv4/ip_output.c23
-rw-r--r--net/ipv4/ip_sockglue.c41
-rw-r--r--net/ipv4/ipconfig.c15
-rw-r--r--net/ipv4/ipip.c2
-rw-r--r--net/ipv4/ipmr.c4
-rw-r--r--net/ipv4/netfilter.c3
-rw-r--r--net/ipv4/netfilter/Kconfig1
-rw-r--r--net/ipv4/netfilter/ip_queue.c6
-rw-r--r--net/ipv4/ping.c2
-rw-r--r--net/ipv4/proc.c15
-rw-r--r--net/ipv4/raw.c10
-rw-r--r--net/ipv4/route.c208
-rw-r--r--net/ipv4/sysctl_net_ipv4.c65
-rw-r--r--net/ipv4/tcp.c57
-rw-r--r--net/ipv4/tcp_cong.c2
-rw-r--r--net/ipv4/tcp_diag.c20
-rw-r--r--net/ipv4/tcp_input.c60
-rw-r--r--net/ipv4/tcp_ipv4.c16
-rw-r--r--net/ipv4/tcp_memcontrol.c272
-rw-r--r--net/ipv4/tcp_minisocks.c12
-rw-r--r--net/ipv4/tcp_output.c29
-rw-r--r--net/ipv4/tcp_timer.c4
-rw-r--r--net/ipv4/tunnel4.c10
-rw-r--r--net/ipv4/udp.c24
-rw-r--r--net/ipv4/udp_diag.c201
-rw-r--r--net/ipv4/xfrm4_tunnel.c6
38 files changed, 1242 insertions, 469 deletions
diff --git a/net/ipv4/Kconfig b/net/ipv4/Kconfig
index cbb505ba932..1a8f93bd2d4 100644
--- a/net/ipv4/Kconfig
+++ b/net/ipv4/Kconfig
@@ -409,6 +409,10 @@ config INET_TCP_DIAG
depends on INET_DIAG
def_tristate INET_DIAG
+config INET_UDP_DIAG
+ depends on INET_DIAG
+ def_tristate INET_DIAG && IPV6
+
menuconfig TCP_CONG_ADVANCED
bool "TCP: advanced congestion control"
---help---
diff --git a/net/ipv4/Makefile b/net/ipv4/Makefile
index f2dc69cffb5..ff75d3bbcd6 100644
--- a/net/ipv4/Makefile
+++ b/net/ipv4/Makefile
@@ -34,6 +34,7 @@ obj-$(CONFIG_IP_PNP) += ipconfig.o
obj-$(CONFIG_NETFILTER) += netfilter.o netfilter/
obj-$(CONFIG_INET_DIAG) += inet_diag.o
obj-$(CONFIG_INET_TCP_DIAG) += tcp_diag.o
+obj-$(CONFIG_INET_UDP_DIAG) += udp_diag.o
obj-$(CONFIG_NET_TCPPROBE) += tcp_probe.o
obj-$(CONFIG_TCP_CONG_BIC) += tcp_bic.o
obj-$(CONFIG_TCP_CONG_CUBIC) += tcp_cubic.o
@@ -47,6 +48,7 @@ obj-$(CONFIG_TCP_CONG_SCALABLE) += tcp_scalable.o
obj-$(CONFIG_TCP_CONG_LP) += tcp_lp.o
obj-$(CONFIG_TCP_CONG_YEAH) += tcp_yeah.o
obj-$(CONFIG_TCP_CONG_ILLINOIS) += tcp_illinois.o
+obj-$(CONFIG_CGROUP_MEM_RES_CTLR_KMEM) += tcp_memcontrol.o
obj-$(CONFIG_NETLABEL) += cipso_ipv4.o
obj-$(CONFIG_XFRM) += xfrm4_policy.o xfrm4_state.o xfrm4_input.o \
diff --git a/net/ipv4/af_inet.c b/net/ipv4/af_inet.c
index 1b5096a9875..f7b5670744f 100644
--- a/net/ipv4/af_inet.c
+++ b/net/ipv4/af_inet.c
@@ -1250,7 +1250,8 @@ out:
return err;
}
-static struct sk_buff *inet_gso_segment(struct sk_buff *skb, u32 features)
+static struct sk_buff *inet_gso_segment(struct sk_buff *skb,
+ netdev_features_t features)
{
struct sk_buff *segs = ERR_PTR(-EINVAL);
struct iphdr *iph;
@@ -1572,9 +1573,9 @@ static __net_init int ipv4_mib_init_net(struct net *net)
sizeof(struct icmp_mib),
__alignof__(struct icmp_mib)) < 0)
goto err_icmp_mib;
- if (snmp_mib_init((void __percpu **)net->mib.icmpmsg_statistics,
- sizeof(struct icmpmsg_mib),
- __alignof__(struct icmpmsg_mib)) < 0)
+ net->mib.icmpmsg_statistics = kzalloc(sizeof(struct icmpmsg_mib),
+ GFP_KERNEL);
+ if (!net->mib.icmpmsg_statistics)
goto err_icmpmsg_mib;
tcp_mib_init(net);
@@ -1598,7 +1599,7 @@ err_tcp_mib:
static __net_exit void ipv4_mib_exit_net(struct net *net)
{
- snmp_mib_free((void __percpu **)net->mib.icmpmsg_statistics);
+ kfree(net->mib.icmpmsg_statistics);
snmp_mib_free((void __percpu **)net->mib.icmp_statistics);
snmp_mib_free((void __percpu **)net->mib.udplite_statistics);
snmp_mib_free((void __percpu **)net->mib.udp_statistics);
@@ -1671,6 +1672,8 @@ static int __init inet_init(void)
ip_static_sysctl_init();
#endif
+ tcp_prot.sysctl_mem = init_net.ipv4.sysctl_tcp_mem;
+
/*
* Add all the base protocols.
*/
diff --git a/net/ipv4/ah4.c b/net/ipv4/ah4.c
index c1f4154552f..36d14406261 100644
--- a/net/ipv4/ah4.c
+++ b/net/ipv4/ah4.c
@@ -136,8 +136,6 @@ static void ah_output_done(struct crypto_async_request *base, int err)
memcpy(top_iph+1, iph+1, top_iph->ihl*4 - sizeof(struct iphdr));
}
- err = ah->nexthdr;
-
kfree(AH_SKB_CB(skb)->tmp);
xfrm_output_resume(skb, err);
}
@@ -264,12 +262,12 @@ static void ah_input_done(struct crypto_async_request *base, int err)
if (err)
goto out;
+ err = ah->nexthdr;
+
skb->network_header += ah_hlen;
memcpy(skb_network_header(skb), work_iph, ihl);
__skb_pull(skb, ah_hlen + ihl);
skb_set_transport_header(skb, -ihl);
-
- err = ah->nexthdr;
out:
kfree(AH_SKB_CB(skb)->tmp);
xfrm_input_resume(skb, err);
@@ -371,8 +369,6 @@ static int ah_input(struct xfrm_state *x, struct sk_buff *skb)
if (err == -EINPROGRESS)
goto out;
- if (err == -EBUSY)
- err = NET_XMIT_DROP;
goto out_free;
}
diff --git a/net/ipv4/arp.c b/net/ipv4/arp.c
index 96a164aa136..381a0876c36 100644
--- a/net/ipv4/arp.c
+++ b/net/ipv4/arp.c
@@ -112,11 +112,6 @@
#include <net/arp.h>
#include <net/ax25.h>
#include <net/netrom.h>
-#if defined(CONFIG_ATM_CLIP) || defined(CONFIG_ATM_CLIP_MODULE)
-#include <net/atmclip.h>
-struct neigh_table *clip_tbl_hook;
-EXPORT_SYMBOL(clip_tbl_hook);
-#endif
#include <asm/system.h>
#include <linux/uaccess.h>
@@ -164,7 +159,6 @@ static const struct neigh_ops arp_broken_ops = {
struct neigh_table arp_tbl = {
.family = AF_INET,
- .entry_size = sizeof(struct neighbour) + 4,
.key_len = 4,
.hash = arp_hash,
.constructor = arp_constructor,
@@ -177,7 +171,7 @@ struct neigh_table arp_tbl = {
.gc_staletime = 60 * HZ,
.reachable_time = 30 * HZ,
.delay_probe_time = 5 * HZ,
- .queue_len = 3,
+ .queue_len_bytes = 64*1024,
.ucast_probes = 3,
.mcast_probes = 3,
.anycast_delay = 1 * HZ,
@@ -283,9 +277,9 @@ static int arp_constructor(struct neighbour *neigh)
default:
break;
case ARPHRD_ROSE:
-#if defined(CONFIG_AX25) || defined(CONFIG_AX25_MODULE)
+#if IS_ENABLED(CONFIG_AX25)
case ARPHRD_AX25:
-#if defined(CONFIG_NETROM) || defined(CONFIG_NETROM_MODULE)
+#if IS_ENABLED(CONFIG_NETROM)
case ARPHRD_NETROM:
#endif
neigh->ops = &arp_broken_ops;
@@ -592,16 +586,18 @@ struct sk_buff *arp_create(int type, int ptype, __be32 dest_ip,
struct sk_buff *skb;
struct arphdr *arp;
unsigned char *arp_ptr;
+ int hlen = LL_RESERVED_SPACE(dev);
+ int tlen = dev->needed_tailroom;
/*
* Allocate a buffer
*/
- skb = alloc_skb(arp_hdr_len(dev) + LL_ALLOCATED_SPACE(dev), GFP_ATOMIC);
+ skb = alloc_skb(arp_hdr_len(dev) + hlen + tlen, GFP_ATOMIC);
if (skb == NULL)
return NULL;
- skb_reserve(skb, LL_RESERVED_SPACE(dev));
+ skb_reserve(skb, hlen);
skb_reset_network_header(skb);
arp = (struct arphdr *) skb_put(skb, arp_hdr_len(dev));
skb->dev = dev;
@@ -633,13 +629,13 @@ struct sk_buff *arp_create(int type, int ptype, __be32 dest_ip,
arp->ar_pro = htons(ETH_P_IP);
break;
-#if defined(CONFIG_AX25) || defined(CONFIG_AX25_MODULE)
+#if IS_ENABLED(CONFIG_AX25)
case ARPHRD_AX25:
arp->ar_hrd = htons(ARPHRD_AX25);
arp->ar_pro = htons(AX25_P_IP);
break;
-#if defined(CONFIG_NETROM) || defined(CONFIG_NETROM_MODULE)
+#if IS_ENABLED(CONFIG_NETROM)
case ARPHRD_NETROM:
arp->ar_hrd = htons(ARPHRD_NETROM);
arp->ar_pro = htons(AX25_P_IP);
@@ -647,13 +643,13 @@ struct sk_buff *arp_create(int type, int ptype, __be32 dest_ip,
#endif
#endif
-#if defined(CONFIG_FDDI) || defined(CONFIG_FDDI_MODULE)
+#if IS_ENABLED(CONFIG_FDDI)
case ARPHRD_FDDI:
arp->ar_hrd = htons(ARPHRD_ETHER);
arp->ar_pro = htons(ETH_P_IP);
break;
#endif
-#if defined(CONFIG_TR) || defined(CONFIG_TR_MODULE)
+#if IS_ENABLED(CONFIG_TR)
case ARPHRD_IEEE802_TR:
arp->ar_hrd = htons(ARPHRD_IEEE802);
arp->ar_pro = htons(ETH_P_IP);
@@ -1040,7 +1036,7 @@ static int arp_req_set(struct net *net, struct arpreq *r,
return -EINVAL;
}
switch (dev->type) {
-#if defined(CONFIG_FDDI) || defined(CONFIG_FDDI_MODULE)
+#if IS_ENABLED(CONFIG_FDDI)
case ARPHRD_FDDI:
/*
* According to RFC 1390, FDDI devices should accept ARP
@@ -1286,7 +1282,7 @@ void __init arp_init(void)
}
#ifdef CONFIG_PROC_FS
-#if defined(CONFIG_AX25) || defined(CONFIG_AX25_MODULE)
+#if IS_ENABLED(CONFIG_AX25)
/* ------------------------------------------------------------------------ */
/*
@@ -1334,7 +1330,7 @@ static void arp_format_neigh_entry(struct seq_file *seq,
read_lock(&n->lock);
/* Convert hardware address to XX:XX:XX:XX ... form. */
-#if defined(CONFIG_AX25) || defined(CONFIG_AX25_MODULE)
+#if IS_ENABLED(CONFIG_AX25)
if (hatype == ARPHRD_AX25 || hatype == ARPHRD_NETROM)
ax2asc2((ax25_address *)n->ha, hbuffer);
else {
@@ -1347,7 +1343,7 @@ static void arp_format_neigh_entry(struct seq_file *seq,
if (k != 0)
--k;
hbuffer[k] = 0;
-#if defined(CONFIG_AX25) || defined(CONFIG_AX25_MODULE)
+#if IS_ENABLED(CONFIG_AX25)
}
#endif
sprintf(tbuf, "%pI4", n->primary_key);
diff --git a/net/ipv4/devinet.c b/net/ipv4/devinet.c
index c6b5092f29a..65f01dc4756 100644
--- a/net/ipv4/devinet.c
+++ b/net/ipv4/devinet.c
@@ -1490,7 +1490,9 @@ static int devinet_conf_proc(ctl_table *ctl, int write,
void __user *buffer,
size_t *lenp, loff_t *ppos)
{
+ int old_value = *(int *)ctl->data;
int ret = proc_dointvec(ctl, write, buffer, lenp, ppos);
+ int new_value = *(int *)ctl->data;
if (write) {
struct ipv4_devconf *cnf = ctl->extra1;
@@ -1501,6 +1503,9 @@ static int devinet_conf_proc(ctl_table *ctl, int write,
if (cnf == net->ipv4.devconf_dflt)
devinet_copy_dflt_conf(net, i);
+ if (i == IPV4_DEVCONF_ACCEPT_LOCAL - 1)
+ if ((new_value == 0) && (old_value != 0))
+ rt_cache_flush(net, 0);
}
return ret;
diff --git a/net/ipv4/igmp.c b/net/ipv4/igmp.c
index c7472eff2d5..fa057d105be 100644
--- a/net/ipv4/igmp.c
+++ b/net/ipv4/igmp.c
@@ -304,9 +304,11 @@ static struct sk_buff *igmpv3_newpack(struct net_device *dev, int size)
struct igmpv3_report *pig;
struct net *net = dev_net(dev);
struct flowi4 fl4;
+ int hlen = LL_RESERVED_SPACE(dev);
+ int tlen = dev->needed_tailroom;
while (1) {
- skb = alloc_skb(size + LL_ALLOCATED_SPACE(dev),
+ skb = alloc_skb(size + hlen + tlen,
GFP_ATOMIC | __GFP_NOWARN);
if (skb)
break;
@@ -327,7 +329,7 @@ static struct sk_buff *igmpv3_newpack(struct net_device *dev, int size)
skb_dst_set(skb, &rt->dst);
skb->dev = dev;
- skb_reserve(skb, LL_RESERVED_SPACE(dev));
+ skb_reserve(skb, hlen);
skb_reset_network_header(skb);
pip = ip_hdr(skb);
@@ -647,6 +649,7 @@ static int igmp_send_report(struct in_device *in_dev, struct ip_mc_list *pmc,
__be32 group = pmc ? pmc->multiaddr : 0;
struct flowi4 fl4;
__be32 dst;
+ int hlen, tlen;
if (type == IGMPV3_HOST_MEMBERSHIP_REPORT)
return igmpv3_send_report(in_dev, pmc);
@@ -661,7 +664,9 @@ static int igmp_send_report(struct in_device *in_dev, struct ip_mc_list *pmc,
if (IS_ERR(rt))
return -1;
- skb = alloc_skb(IGMP_SIZE+LL_ALLOCATED_SPACE(dev), GFP_ATOMIC);
+ hlen = LL_RESERVED_SPACE(dev);
+ tlen = dev->needed_tailroom;
+ skb = alloc_skb(IGMP_SIZE + hlen + tlen, GFP_ATOMIC);
if (skb == NULL) {
ip_rt_put(rt);
return -1;
@@ -669,7 +674,7 @@ static int igmp_send_report(struct in_device *in_dev, struct ip_mc_list *pmc,
skb_dst_set(skb, &rt->dst);
- skb_reserve(skb, LL_RESERVED_SPACE(dev));
+ skb_reserve(skb, hlen);
skb_reset_network_header(skb);
iph = ip_hdr(skb);
@@ -1574,7 +1579,7 @@ out_unlock:
* Add multicast single-source filter to the interface list
*/
static int ip_mc_add1_src(struct ip_mc_list *pmc, int sfmode,
- __be32 *psfsrc, int delta)
+ __be32 *psfsrc)
{
struct ip_sf_list *psf, *psf_prev;
@@ -1709,14 +1714,15 @@ static int ip_mc_add_src(struct in_device *in_dev, __be32 *pmca, int sfmode,
pmc->sfcount[sfmode]++;
err = 0;
for (i=0; i<sfcount; i++) {
- err = ip_mc_add1_src(pmc, sfmode, &psfsrc[i], delta);
+ err = ip_mc_add1_src(pmc, sfmode, &psfsrc[i]);
if (err)
break;
}
if (err) {
int j;
- pmc->sfcount[sfmode]--;
+ if (!delta)
+ pmc->sfcount[sfmode]--;
for (j=0; j<i; j++)
(void) ip_mc_del1_src(pmc, sfmode, &psfsrc[j]);
} else if (isexclude != (pmc->sfcount[MCAST_EXCLUDE] != 0)) {
diff --git a/net/ipv4/inet_connection_sock.c b/net/ipv4/inet_connection_sock.c
index c14d88ad348..2e4e24476c4 100644
--- a/net/ipv4/inet_connection_sock.c
+++ b/net/ipv4/inet_connection_sock.c
@@ -418,7 +418,7 @@ static inline u32 inet_synq_hash(const __be32 raddr, const __be16 rport,
return jhash_2words((__force u32)raddr, (__force u32)rport, rnd) & (synq_hsize - 1);
}
-#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
+#if IS_ENABLED(CONFIG_IPV6)
#define AF_INET_FAMILY(fam) ((fam) == AF_INET)
#else
#define AF_INET_FAMILY(fam) 1
@@ -588,10 +588,19 @@ void inet_csk_reqsk_queue_prune(struct sock *parent,
}
EXPORT_SYMBOL_GPL(inet_csk_reqsk_queue_prune);
-struct sock *inet_csk_clone(struct sock *sk, const struct request_sock *req,
- const gfp_t priority)
+/**
+ * inet_csk_clone_lock - clone an inet socket, and lock its clone
+ * @sk: the socket to clone
+ * @req: request_sock
+ * @priority: for allocation (%GFP_KERNEL, %GFP_ATOMIC, etc)
+ *
+ * Caller must unlock socket even in error path (bh_unlock_sock(newsk))
+ */
+struct sock *inet_csk_clone_lock(const struct sock *sk,
+ const struct request_sock *req,
+ const gfp_t priority)
{
- struct sock *newsk = sk_clone(sk, priority);
+ struct sock *newsk = sk_clone_lock(sk, priority);
if (newsk != NULL) {
struct inet_connection_sock *newicsk = inet_csk(newsk);
@@ -615,7 +624,7 @@ struct sock *inet_csk_clone(struct sock *sk, const struct request_sock *req,
}
return newsk;
}
-EXPORT_SYMBOL_GPL(inet_csk_clone);
+EXPORT_SYMBOL_GPL(inet_csk_clone_lock);
/*
* At this point, there should be no process reference to this
diff --git a/net/ipv4/inet_diag.c b/net/ipv4/inet_diag.c
index f5e2bdaef94..575e28c57cc 100644
--- a/net/ipv4/inet_diag.c
+++ b/net/ipv4/inet_diag.c
@@ -33,6 +33,7 @@
#include <linux/stddef.h>
#include <linux/inet_diag.h>
+#include <linux/sock_diag.h>
static const struct inet_diag_handler **inet_diag_table;
@@ -45,24 +46,22 @@ struct inet_diag_entry {
u16 userlocks;
};
-static struct sock *idiagnl;
-
#define INET_DIAG_PUT(skb, attrtype, attrlen) \
RTA_DATA(__RTA_PUT(skb, attrtype, attrlen))
static DEFINE_MUTEX(inet_diag_table_mutex);
-static const struct inet_diag_handler *inet_diag_lock_handler(int type)
+static const struct inet_diag_handler *inet_diag_lock_handler(int proto)
{
- if (!inet_diag_table[type])
+ if (!inet_diag_table[proto])
request_module("net-pf-%d-proto-%d-type-%d", PF_NETLINK,
- NETLINK_INET_DIAG, type);
+ NETLINK_SOCK_DIAG, proto);
mutex_lock(&inet_diag_table_mutex);
- if (!inet_diag_table[type])
+ if (!inet_diag_table[proto])
return ERR_PTR(-ENOENT);
- return inet_diag_table[type];
+ return inet_diag_table[proto];
}
static inline void inet_diag_unlock_handler(
@@ -71,21 +70,21 @@ static inline void inet_diag_unlock_handler(
mutex_unlock(&inet_diag_table_mutex);
}
-static int inet_csk_diag_fill(struct sock *sk,
- struct sk_buff *skb,
- int ext, u32 pid, u32 seq, u16 nlmsg_flags,
+int inet_sk_diag_fill(struct sock *sk, struct inet_connection_sock *icsk,
+ struct sk_buff *skb, struct inet_diag_req *req,
+ u32 pid, u32 seq, u16 nlmsg_flags,
const struct nlmsghdr *unlh)
{
const struct inet_sock *inet = inet_sk(sk);
- const struct inet_connection_sock *icsk = inet_csk(sk);
struct inet_diag_msg *r;
struct nlmsghdr *nlh;
void *info = NULL;
struct inet_diag_meminfo *minfo = NULL;
unsigned char *b = skb_tail_pointer(skb);
const struct inet_diag_handler *handler;
+ int ext = req->idiag_ext;
- handler = inet_diag_table[unlh->nlmsg_type];
+ handler = inet_diag_table[req->sdiag_protocol];
BUG_ON(handler == NULL);
nlh = NLMSG_PUT(skb, pid, seq, unlh->nlmsg_type, sizeof(*r));
@@ -97,20 +96,6 @@ static int inet_csk_diag_fill(struct sock *sk,
if (ext & (1 << (INET_DIAG_MEMINFO - 1)))
minfo = INET_DIAG_PUT(skb, INET_DIAG_MEMINFO, sizeof(*minfo));
- if (ext & (1 << (INET_DIAG_INFO - 1)))
- info = INET_DIAG_PUT(skb, INET_DIAG_INFO,
- handler->idiag_info_size);
-
- if ((ext & (1 << (INET_DIAG_CONG - 1))) && icsk->icsk_ca_ops) {
- const size_t len = strlen(icsk->icsk_ca_ops->name);
-
- strcpy(INET_DIAG_PUT(skb, INET_DIAG_CONG, len + 1),
- icsk->icsk_ca_ops->name);
- }
-
- if ((ext & (1 << (INET_DIAG_TOS - 1))) && (sk->sk_family != AF_INET6))
- RTA_PUT_U8(skb, INET_DIAG_TOS, inet->tos);
-
r->idiag_family = sk->sk_family;
r->idiag_state = sk->sk_state;
r->idiag_timer = 0;
@@ -125,19 +110,38 @@ static int inet_csk_diag_fill(struct sock *sk,
r->id.idiag_src[0] = inet->inet_rcv_saddr;
r->id.idiag_dst[0] = inet->inet_daddr;
-#if defined(CONFIG_IPV6) || defined (CONFIG_IPV6_MODULE)
+ /* IPv6 dual-stack sockets use inet->tos for IPv4 connections,
+ * hence this needs to be included regardless of socket family.
+ */
+ if (ext & (1 << (INET_DIAG_TOS - 1)))
+ RTA_PUT_U8(skb, INET_DIAG_TOS, inet->tos);
+
+#if IS_ENABLED(CONFIG_IPV6)
if (r->idiag_family == AF_INET6) {
const struct ipv6_pinfo *np = inet6_sk(sk);
- ipv6_addr_copy((struct in6_addr *)r->id.idiag_src,
- &np->rcv_saddr);
- ipv6_addr_copy((struct in6_addr *)r->id.idiag_dst,
- &np->daddr);
- if (ext & (1 << (INET_DIAG_TOS - 1)))
- RTA_PUT_U8(skb, INET_DIAG_TOS, np->tclass);
+ *(struct in6_addr *)r->id.idiag_src = np->rcv_saddr;
+ *(struct in6_addr *)r->id.idiag_dst = np->daddr;
+ if (ext & (1 << (INET_DIAG_TCLASS - 1)))
+ RTA_PUT_U8(skb, INET_DIAG_TCLASS, np->tclass);
}
#endif
+ r->idiag_uid = sock_i_uid(sk);
+ r->idiag_inode = sock_i_ino(sk);
+
+ if (minfo) {
+ minfo->idiag_rmem = sk_rmem_alloc_get(sk);
+ minfo->idiag_wmem = sk->sk_wmem_queued;
+ minfo->idiag_fmem = sk->sk_forward_alloc;
+ minfo->idiag_tmem = sk_wmem_alloc_get(sk);
+ }
+
+ if (icsk == NULL) {
+ r->idiag_rqueue = r->idiag_wqueue = 0;
+ goto out;
+ }
+
#define EXPIRES_IN_MS(tmo) DIV_ROUND_UP((tmo - jiffies) * 1000, HZ)
if (icsk->icsk_pending == ICSK_TIME_RETRANS) {
@@ -158,14 +162,14 @@ static int inet_csk_diag_fill(struct sock *sk,
}
#undef EXPIRES_IN_MS
- r->idiag_uid = sock_i_uid(sk);
- r->idiag_inode = sock_i_ino(sk);
+ if (ext & (1 << (INET_DIAG_INFO - 1)))
+ info = INET_DIAG_PUT(skb, INET_DIAG_INFO, sizeof(struct tcp_info));
- if (minfo) {
- minfo->idiag_rmem = sk_rmem_alloc_get(sk);
- minfo->idiag_wmem = sk->sk_wmem_queued;
- minfo->idiag_fmem = sk->sk_forward_alloc;
- minfo->idiag_tmem = sk_wmem_alloc_get(sk);
+ if ((ext & (1 << (INET_DIAG_CONG - 1))) && icsk->icsk_ca_ops) {
+ const size_t len = strlen(icsk->icsk_ca_ops->name);
+
+ strcpy(INET_DIAG_PUT(skb, INET_DIAG_CONG, len + 1),
+ icsk->icsk_ca_ops->name);
}
handler->idiag_get_info(sk, r, info);
@@ -174,6 +178,7 @@ static int inet_csk_diag_fill(struct sock *sk,
icsk->icsk_ca_ops && icsk->icsk_ca_ops->get_info)
icsk->icsk_ca_ops->get_info(sk, ext, skb);
+out:
nlh->nlmsg_len = skb_tail_pointer(skb) - b;
return skb->len;
@@ -182,10 +187,20 @@ nlmsg_failure:
nlmsg_trim(skb, b);
return -EMSGSIZE;
}
+EXPORT_SYMBOL_GPL(inet_sk_diag_fill);
+
+static int inet_csk_diag_fill(struct sock *sk,
+ struct sk_buff *skb, struct inet_diag_req *req,
+ u32 pid, u32 seq, u16 nlmsg_flags,
+ const struct nlmsghdr *unlh)
+{
+ return inet_sk_diag_fill(sk, inet_csk(sk),
+ skb, req, pid, seq, nlmsg_flags, unlh);
+}
static int inet_twsk_diag_fill(struct inet_timewait_sock *tw,
- struct sk_buff *skb, int ext, u32 pid,
- u32 seq, u16 nlmsg_flags,
+ struct sk_buff *skb, struct inet_diag_req *req,
+ u32 pid, u32 seq, u16 nlmsg_flags,
const struct nlmsghdr *unlh)
{
long tmo;
@@ -219,15 +234,13 @@ static int inet_twsk_diag_fill(struct inet_timewait_sock *tw,
r->idiag_wqueue = 0;
r->idiag_uid = 0;
r->idiag_inode = 0;
-#if defined(CONFIG_IPV6) || defined (CONFIG_IPV6_MODULE)
+#if IS_ENABLED(CONFIG_IPV6)
if (tw->tw_family == AF_INET6) {
const struct inet6_timewait_sock *tw6 =
inet6_twsk((struct sock *)tw);
- ipv6_addr_copy((struct in6_addr *)r->id.idiag_src,
- &tw6->tw_v6_rcv_saddr);
- ipv6_addr_copy((struct in6_addr *)r->id.idiag_dst,
- &tw6->tw_v6_daddr);
+ *(struct in6_addr *)r->id.idiag_src = tw6->tw_v6_rcv_saddr;
+ *(struct in6_addr *)r->id.idiag_dst = tw6->tw_v6_daddr;
}
#endif
nlh->nlmsg_len = skb_tail_pointer(skb) - previous_tail;
@@ -238,42 +251,43 @@ nlmsg_failure:
}
static int sk_diag_fill(struct sock *sk, struct sk_buff *skb,
- int ext, u32 pid, u32 seq, u16 nlmsg_flags,
+ struct inet_diag_req *r, u32 pid, u32 seq, u16 nlmsg_flags,
const struct nlmsghdr *unlh)
{
if (sk->sk_state == TCP_TIME_WAIT)
return inet_twsk_diag_fill((struct inet_timewait_sock *)sk,
- skb, ext, pid, seq, nlmsg_flags,
+ skb, r, pid, seq, nlmsg_flags,
unlh);
- return inet_csk_diag_fill(sk, skb, ext, pid, seq, nlmsg_flags, unlh);
+ return inet_csk_diag_fill(sk, skb, r, pid, seq, nlmsg_flags, unlh);
}
-static int inet_diag_get_exact(struct sk_buff *in_skb,
- const struct nlmsghdr *nlh)
+int inet_diag_check_cookie(struct sock *sk, struct inet_diag_req *req)
+{
+ if ((req->id.idiag_cookie[0] != INET_DIAG_NOCOOKIE ||
+ req->id.idiag_cookie[1] != INET_DIAG_NOCOOKIE) &&
+ ((u32)(unsigned long)sk != req->id.idiag_cookie[0] ||
+ (u32)((((unsigned long)sk) >> 31) >> 1) != req->id.idiag_cookie[1]))
+ return -ESTALE;
+ else
+ return 0;
+}
+EXPORT_SYMBOL_GPL(inet_diag_check_cookie);
+
+int inet_diag_dump_one_icsk(struct inet_hashinfo *hashinfo, struct sk_buff *in_skb,
+ const struct nlmsghdr *nlh, struct inet_diag_req *req)
{
int err;
struct sock *sk;
- struct inet_diag_req *req = NLMSG_DATA(nlh);
struct sk_buff *rep;
- struct inet_hashinfo *hashinfo;
- const struct inet_diag_handler *handler;
- handler = inet_diag_lock_handler(nlh->nlmsg_type);
- if (IS_ERR(handler)) {
- err = PTR_ERR(handler);
- goto unlock;
- }
-
- hashinfo = handler->idiag_hashinfo;
err = -EINVAL;
-
- if (req->idiag_family == AF_INET) {
+ if (req->sdiag_family == AF_INET) {
sk = inet_lookup(&init_net, hashinfo, req->id.idiag_dst[0],
req->id.idiag_dport, req->id.idiag_src[0],
req->id.idiag_sport, req->id.idiag_if);
}
-#if defined(CONFIG_IPV6) || defined (CONFIG_IPV6_MODULE)
- else if (req->idiag_family == AF_INET6) {
+#if IS_ENABLED(CONFIG_IPV6)
+ else if (req->sdiag_family == AF_INET6) {
sk = inet6_lookup(&init_net, hashinfo,
(struct in6_addr *)req->id.idiag_dst,
req->id.idiag_dport,
@@ -283,29 +297,26 @@ static int inet_diag_get_exact(struct sk_buff *in_skb,
}
#endif
else {
- goto unlock;
+ goto out_nosk;
}
err = -ENOENT;
if (sk == NULL)
- goto unlock;
+ goto out_nosk;
- err = -ESTALE;
- if ((req->id.idiag_cookie[0] != INET_DIAG_NOCOOKIE ||
- req->id.idiag_cookie[1] != INET_DIAG_NOCOOKIE) &&
- ((u32)(unsigned long)sk != req->id.idiag_cookie[0] ||
- (u32)((((unsigned long)sk) >> 31) >> 1) != req->id.idiag_cookie[1]))
+ err = inet_diag_check_cookie(sk, req);
+ if (err)
goto out;
err = -ENOMEM;
rep = alloc_skb(NLMSG_SPACE((sizeof(struct inet_diag_msg) +
sizeof(struct inet_diag_meminfo) +
- handler->idiag_info_size + 64)),
+ sizeof(struct tcp_info) + 64)),
GFP_KERNEL);
if (!rep)
goto out;
- err = sk_diag_fill(sk, rep, req->idiag_ext,
+ err = sk_diag_fill(sk, rep, req,
NETLINK_CB(in_skb).pid,
nlh->nlmsg_seq, 0, nlh);
if (err < 0) {
@@ -313,7 +324,7 @@ static int inet_diag_get_exact(struct sk_buff *in_skb,
kfree_skb(rep);
goto out;
}
- err = netlink_unicast(idiagnl, rep, NETLINK_CB(in_skb).pid,
+ err = netlink_unicast(sock_diag_nlsk, rep, NETLINK_CB(in_skb).pid,
MSG_DONTWAIT);
if (err > 0)
err = 0;
@@ -325,8 +336,25 @@ out:
else
sock_put(sk);
}
-unlock:
+out_nosk:
+ return err;
+}
+EXPORT_SYMBOL_GPL(inet_diag_dump_one_icsk);
+
+static int inet_diag_get_exact(struct sk_buff *in_skb,
+ const struct nlmsghdr *nlh,
+ struct inet_diag_req *req)
+{
+ const struct inet_diag_handler *handler;
+ int err;
+
+ handler = inet_diag_lock_handler(req->sdiag_protocol);
+ if (IS_ERR(handler))
+ err = PTR_ERR(handler);
+ else
+ err = handler->dump_one(in_skb, nlh, req);
inet_diag_unlock_handler(handler);
+
return err;
}
@@ -357,9 +385,12 @@ static int bitstring_match(const __be32 *a1, const __be32 *a2, int bits)
}
-static int inet_diag_bc_run(const void *bc, int len,
- const struct inet_diag_entry *entry)
+static int inet_diag_bc_run(const struct nlattr *_bc,
+ const struct inet_diag_entry *entry)
{
+ const void *bc = nla_data(_bc);
+ int len = nla_len(_bc);
+
while (len > 0) {
int yes = 1;
const struct inet_diag_bc_op *op = bc;
@@ -433,6 +464,35 @@ static int inet_diag_bc_run(const void *bc, int len,
return len == 0;
}
+int inet_diag_bc_sk(const struct nlattr *bc, struct sock *sk)
+{
+ struct inet_diag_entry entry;
+ struct inet_sock *inet = inet_sk(sk);
+
+ if (bc == NULL)
+ return 1;
+
+ entry.family = sk->sk_family;
+#if IS_ENABLED(CONFIG_IPV6)
+ if (entry.family == AF_INET6) {
+ struct ipv6_pinfo *np = inet6_sk(sk);
+
+ entry.saddr = np->rcv_saddr.s6_addr32;
+ entry.daddr = np->daddr.s6_addr32;
+ } else
+#endif
+ {
+ entry.saddr = &inet->inet_rcv_saddr;
+ entry.daddr = &inet->inet_daddr;
+ }