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-rw-r--r--net/ipv6/addrconf.c7
-rw-r--r--net/ipv6/af_inet6.c6
-rw-r--r--net/ipv6/esp6_offload.c4
-rw-r--r--net/ipv6/exthdrs.c65
-rw-r--r--net/ipv6/exthdrs_core.c2
-rw-r--r--net/ipv6/icmp.c5
-rw-r--r--net/ipv6/ip6_offload.c1
-rw-r--r--net/ipv6/ip6_output.c19
-rw-r--r--net/ipv6/ip6mr.c44
-rw-r--r--net/ipv6/ping.c3
-rw-r--r--net/ipv6/raw.c20
-rw-r--r--net/ipv6/route.c29
-rw-r--r--net/ipv6/rpl.c7
-rw-r--r--net/ipv6/seg6_iptunnel.c3
-rw-r--r--net/ipv6/tcp_ipv6.c12
-rw-r--r--net/ipv6/tcpv6_offload.c3
-rw-r--r--net/ipv6/udp.c19
-rw-r--r--net/ipv6/udp_offload.c1
-rw-r--r--net/ipv6/udplite.c6
-rw-r--r--net/ipv6/xfrm6_input.c3
20 files changed, 133 insertions, 126 deletions
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index 3797917237d0..e5213e598a04 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -318,9 +318,8 @@ static void addrconf_del_dad_work(struct inet6_ifaddr *ifp)
static void addrconf_mod_rs_timer(struct inet6_dev *idev,
unsigned long when)
{
- if (!timer_pending(&idev->rs_timer))
+ if (!mod_timer(&idev->rs_timer, jiffies + when))
in6_dev_hold(idev);
- mod_timer(&idev->rs_timer, jiffies + when);
}
static void addrconf_mod_dad_work(struct inet6_ifaddr *ifp,
@@ -3633,8 +3632,8 @@ static int addrconf_notify(struct notifier_block *this, unsigned long event,
idev->if_flags |= IF_READY;
}
- pr_info("ADDRCONF(NETDEV_CHANGE): %s: link becomes ready\n",
- dev->name);
+ pr_debug("ADDRCONF(NETDEV_CHANGE): %s: link becomes ready\n",
+ dev->name);
run_pending = 1;
}
diff --git a/net/ipv6/af_inet6.c b/net/ipv6/af_inet6.c
index 2bbf13216a3d..5d593ddc0347 100644
--- a/net/ipv6/af_inet6.c
+++ b/net/ipv6/af_inet6.c
@@ -579,7 +579,7 @@ int inet6_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
prot = READ_ONCE(sk->sk_prot);
if (!prot->ioctl)
return -ENOIOCTLCMD;
- return prot->ioctl(sk, cmd, arg);
+ return sk_ioctl(sk, cmd, (void __user *)arg);
}
/*NOTREACHED*/
return 0;
@@ -695,9 +695,8 @@ const struct proto_ops inet6_stream_ops = {
#ifdef CONFIG_MMU
.mmap = tcp_mmap,
#endif
- .sendpage = inet_sendpage,
+ .splice_eof = inet_splice_eof,
.sendmsg_locked = tcp_sendmsg_locked,
- .sendpage_locked = tcp_sendpage_locked,
.splice_read = tcp_splice_read,
.read_sock = tcp_read_sock,
.read_skb = tcp_read_skb,
@@ -728,7 +727,6 @@ const struct proto_ops inet6_dgram_ops = {
.recvmsg = inet6_recvmsg, /* retpoline's sake */
.read_skb = udp_read_skb,
.mmap = sock_no_mmap,
- .sendpage = sock_no_sendpage,
.set_peek_off = sk_set_peek_off,
#ifdef CONFIG_COMPAT
.compat_ioctl = inet6_compat_ioctl,
diff --git a/net/ipv6/esp6_offload.c b/net/ipv6/esp6_offload.c
index 75c02992c520..a189e08370a5 100644
--- a/net/ipv6/esp6_offload.c
+++ b/net/ipv6/esp6_offload.c
@@ -17,6 +17,7 @@
#include <linux/err.h>
#include <linux/module.h>
#include <net/gro.h>
+#include <net/gso.h>
#include <net/ip.h>
#include <net/xfrm.h>
#include <net/esp.h>
@@ -374,6 +375,9 @@ static int esp6_xmit(struct xfrm_state *x, struct sk_buff *skb, netdev_features
secpath_reset(skb);
+ if (skb_needs_linearize(skb, skb->dev->features) &&
+ __skb_linearize(skb))
+ return -ENOMEM;
return 0;
}
diff --git a/net/ipv6/exthdrs.c b/net/ipv6/exthdrs.c
index a8d961d3a477..202fc3aaa83c 100644
--- a/net/ipv6/exthdrs.c
+++ b/net/ipv6/exthdrs.c
@@ -126,9 +126,6 @@ static bool ip6_parse_tlv(bool hopbyhop,
max_count = -max_count;
}
- if (skb_transport_offset(skb) + len > skb_headlen(skb))
- goto bad;
-
off += 2;
len -= 2;
@@ -402,11 +399,7 @@ looped_back:
skb_postpull_rcsum(skb, skb_network_header(skb),
skb_network_header_len(skb));
-
- if (!pskb_pull(skb, offset)) {
- kfree_skb(skb);
- return -1;
- }
+ skb_pull(skb, offset);
skb_postpull_rcsum(skb, skb_transport_header(skb),
offset);
@@ -444,9 +437,9 @@ looped_back:
kfree_skb(skb);
return -1;
}
- }
- hdr = (struct ipv6_sr_hdr *)skb_transport_header(skb);
+ hdr = (struct ipv6_sr_hdr *)skb_transport_header(skb);
+ }
hdr->segments_left--;
addr = hdr->segments + hdr->segments_left;
@@ -458,8 +451,6 @@ looped_back:
ipv6_hdr(skb)->daddr = *addr;
- skb_dst_drop(skb);
-
ip6_route_input(skb);
if (skb_dst(skb)->error) {
@@ -519,11 +510,7 @@ looped_back:
skb_postpull_rcsum(skb, skb_network_header(skb),
skb_network_header_len(skb));
-
- if (!pskb_pull(skb, offset)) {
- kfree_skb(skb);
- return -1;
- }
+ skb_pull(skb, offset);
skb_postpull_rcsum(skb, skb_transport_header(skb),
offset);
@@ -545,11 +532,6 @@ looped_back:
return 1;
}
- if (!pskb_may_pull(skb, sizeof(*hdr))) {
- kfree_skb(skb);
- return -1;
- }
-
n = (hdr->hdrlen << 3) - hdr->pad - (16 - hdr->cmpre);
r = do_div(n, (16 - hdr->cmpri));
/* checks if calculation was without remainder and n fits into
@@ -569,30 +551,6 @@ looped_back:
return -1;
}
- if (skb_cloned(skb)) {
- if (pskb_expand_head(skb, IPV6_RPL_SRH_WORST_SWAP_SIZE, 0,
- GFP_ATOMIC)) {
- __IP6_INC_STATS(net, ip6_dst_idev(skb_dst(skb)),
- IPSTATS_MIB_OUTDISCARDS);
- kfree_skb(skb);
- return -1;
- }
- } else {
- err = skb_cow_head(skb, IPV6_RPL_SRH_WORST_SWAP_SIZE);
- if (unlikely(err)) {
- kfree_skb(skb);
- return -1;
- }
- }
-
- hdr = (struct ipv6_rpl_sr_hdr *)skb_transport_header(skb);
-
- if (!pskb_may_pull(skb, ipv6_rpl_srh_size(n, hdr->cmpri,
- hdr->cmpre))) {
- kfree_skb(skb);
- return -1;
- }
-
hdr->segments_left--;
i = n - hdr->segments_left;
@@ -606,8 +564,7 @@ looped_back:
ipv6_rpl_srh_decompress(ohdr, hdr, &ipv6_hdr(skb)->daddr, n);
chdr = (struct ipv6_rpl_sr_hdr *)(buf + ((ohdr->hdrlen + 1) << 3));
- if ((ipv6_addr_type(&ipv6_hdr(skb)->daddr) & IPV6_ADDR_MULTICAST) ||
- (ipv6_addr_type(&ohdr->rpl_segaddr[i]) & IPV6_ADDR_MULTICAST)) {
+ if (ipv6_addr_is_multicast(&ohdr->rpl_segaddr[i])) {
kfree_skb(skb);
kfree(buf);
return -1;
@@ -630,6 +587,17 @@ looped_back:
skb_pull(skb, ((hdr->hdrlen + 1) << 3));
skb_postpull_rcsum(skb, oldhdr,
sizeof(struct ipv6hdr) + ((hdr->hdrlen + 1) << 3));
+ if (unlikely(!hdr->segments_left)) {
+ if (pskb_expand_head(skb, sizeof(struct ipv6hdr) + ((chdr->hdrlen + 1) << 3), 0,
+ GFP_ATOMIC)) {
+ __IP6_INC_STATS(net, ip6_dst_idev(skb_dst(skb)), IPSTATS_MIB_OUTDISCARDS);
+ kfree_skb(skb);
+ kfree(buf);
+ return -1;
+ }
+
+ oldhdr = ipv6_hdr(skb);
+ }
skb_push(skb, ((chdr->hdrlen + 1) << 3) + sizeof(struct ipv6hdr));
skb_reset_network_header(skb);
skb_mac_header_rebuild(skb);
@@ -834,7 +802,6 @@ looped_back:
*addr = ipv6_hdr(skb)->daddr;
ipv6_hdr(skb)->daddr = daddr;
- skb_dst_drop(skb);
ip6_route_input(skb);
if (skb_dst(skb)->error) {
skb_push(skb, skb->data - skb_network_header(skb));
diff --git a/net/ipv6/exthdrs_core.c b/net/ipv6/exthdrs_core.c
index da46c4284676..49e31e4ae7b7 100644
--- a/net/ipv6/exthdrs_core.c
+++ b/net/ipv6/exthdrs_core.c
@@ -143,6 +143,8 @@ int ipv6_find_tlv(const struct sk_buff *skb, int offset, int type)
optlen = 1;
break;
default:
+ if (len < 2)
+ goto bad;
optlen = nh[offset + 1] + 2;
if (optlen > len)
goto bad;
diff --git a/net/ipv6/icmp.c b/net/ipv6/icmp.c
index 9edf1f45b1ed..65fa5014bc85 100644
--- a/net/ipv6/icmp.c
+++ b/net/ipv6/icmp.c
@@ -424,7 +424,10 @@ static struct net_device *icmp6_dev(const struct sk_buff *skb)
if (unlikely(dev->ifindex == LOOPBACK_IFINDEX || netif_is_l3_master(skb->dev))) {
const struct rt6_info *rt6 = skb_rt6_info(skb);
- if (rt6)
+ /* The destination could be an external IP in Ext Hdr (SRv6, RPL, etc.),
+ * and ip6_null_entry could be set to skb if no route is found.
+ */
+ if (rt6 && rt6->rt6i_idev)
dev = rt6->rt6i_idev->dev;
}
diff --git a/net/ipv6/ip6_offload.c b/net/ipv6/ip6_offload.c
index 00dc2e3b0184..d6314287338d 100644
--- a/net/ipv6/ip6_offload.c
+++ b/net/ipv6/ip6_offload.c
@@ -16,6 +16,7 @@
#include <net/tcp.h>
#include <net/udp.h>
#include <net/gro.h>
+#include <net/gso.h>
#include "ip6_offload.h"
diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c
index 9554cf46ed88..1e8c90e97608 100644
--- a/net/ipv6/ip6_output.c
+++ b/net/ipv6/ip6_output.c
@@ -42,6 +42,7 @@
#include <net/sock.h>
#include <net/snmp.h>
+#include <net/gso.h>
#include <net/ipv6.h>
#include <net/ndisc.h>
#include <net/protocol.h>
@@ -1589,6 +1590,15 @@ emsgsize:
skb_zcopy_set(skb, uarg, &extra_uref);
}
}
+ } else if ((flags & MSG_SPLICE_PAGES) && length) {
+ if (inet_sk(sk)->hdrincl)
+ return -EPERM;
+ if (rt->dst.dev->features & NETIF_F_SG &&
+ getfrag == ip_generic_getfrag)
+ /* We need an empty buffer to attach stuff to */
+ paged = true;
+ else
+ flags &= ~MSG_SPLICE_PAGES;
}
/*
@@ -1778,6 +1788,15 @@ alloc_new_skb:
err = -EFAULT;
goto error;
}
+ } else if (flags & MSG_SPLICE_PAGES) {
+ struct msghdr *msg = from;
+
+ err = skb_splice_from_iter(skb, &msg->msg_iter, copy,
+ sk->sk_allocation);
+ if (err < 0)
+ goto error;
+ copy = err;
+ wmem_alloc_delta += copy;
} else if (!zc) {
int i = skb_shinfo(skb)->nr_frags;
diff --git a/net/ipv6/ip6mr.c b/net/ipv6/ip6mr.c
index 51cf37abd142..cc3d5ad17257 100644
--- a/net/ipv6/ip6mr.c
+++ b/net/ipv6/ip6mr.c
@@ -1879,11 +1879,10 @@ int ip6_mroute_getsockopt(struct sock *sk, int optname, sockptr_t optval,
/*
* The IP multicast ioctl support routines.
*/
-
-int ip6mr_ioctl(struct sock *sk, int cmd, void __user *arg)
+int ip6mr_ioctl(struct sock *sk, int cmd, void *arg)
{
- struct sioc_sg_req6 sr;
- struct sioc_mif_req6 vr;
+ struct sioc_sg_req6 *sr;
+ struct sioc_mif_req6 *vr;
struct vif_device *vif;
struct mfc6_cache *c;
struct net *net = sock_net(sk);
@@ -1895,40 +1894,33 @@ int ip6mr_ioctl(struct sock *sk, int cmd, void __user *arg)
switch (cmd) {
case SIOCGETMIFCNT_IN6:
- if (copy_from_user(&vr, arg, sizeof(vr)))
- return -EFAULT;
- if (vr.mifi >= mrt->maxvif)
+ vr = (struct sioc_mif_req6 *)arg;
+ if (vr->mifi >= mrt->maxvif)
return -EINVAL;
- vr.mifi = array_index_nospec(vr.mifi, mrt->maxvif);
+ vr->mifi = array_index_nospec(vr->mifi, mrt->maxvif);
rcu_read_lock();
- vif = &mrt->vif_table[vr.mifi];
- if (VIF_EXISTS(mrt, vr.mifi)) {
- vr.icount = READ_ONCE(vif->pkt_in);
- vr.ocount = READ_ONCE(vif->pkt_out);
- vr.ibytes = READ_ONCE(vif->bytes_in);
- vr.obytes = READ_ONCE(vif->bytes_out);
+ vif = &mrt->vif_table[vr->mifi];
+ if (VIF_EXISTS(mrt, vr->mifi)) {
+ vr->icount = READ_ONCE(vif->pkt_in);
+ vr->ocount = READ_ONCE(vif->pkt_out);
+ vr->ibytes = READ_ONCE(vif->bytes_in);
+ vr->obytes = READ_ONCE(vif->bytes_out);
rcu_read_unlock();
-
- if (copy_to_user(arg, &vr, sizeof(vr)))
- return -EFAULT;
return 0;
}
rcu_read_unlock();
return -EADDRNOTAVAIL;
case SIOCGETSGCNT_IN6:
- if (copy_from_user(&sr, arg, sizeof(sr)))
- return -EFAULT;
+ sr = (struct sioc_sg_req6 *)arg;
rcu_read_lock();
- c = ip6mr_cache_find(mrt, &sr.src.sin6_addr, &sr.grp.sin6_addr);
+ c = ip6mr_cache_find(mrt, &sr->src.sin6_addr,
+ &sr->grp.sin6_addr);
if (c) {
- sr.pktcnt = c->_c.mfc_un.res.pkt;
- sr.bytecnt = c->_c.mfc_un.res.bytes;
- sr.wrong_if = c->_c.mfc_un.res.wrong_if;
+ sr->pktcnt = c->_c.mfc_un.res.pkt;
+ sr->bytecnt = c->_c.mfc_un.res.bytes;
+ sr->wrong_if = c->_c.mfc_un.res.wrong_if;
rcu_read_unlock();
-
- if (copy_to_user(arg, &sr, sizeof(sr)))
- return -EFAULT;
return 0;
}
rcu_read_unlock();
diff --git a/net/ipv6/ping.c b/net/ipv6/ping.c
index c4835dbdfcff..f804c11e2146 100644
--- a/net/ipv6/ping.c
+++ b/net/ipv6/ping.c
@@ -114,7 +114,8 @@ static int ping_v6_sendmsg(struct sock *sk, struct msghdr *msg, size_t len)
addr_type = ipv6_addr_type(daddr);
if ((__ipv6_addr_needs_scope_id(addr_type) && !oif) ||
(addr_type & IPV6_ADDR_MAPPED) ||
- (oif && sk->sk_bound_dev_if && oif != sk->sk_bound_dev_if))
+ (oif && sk->sk_bound_dev_if && oif != sk->sk_bound_dev_if &&
+ l3mdev_master_ifindex_by_index(sock_net(sk), oif) != sk->sk_bound_dev_if))
return -EINVAL;
ipcm6_init_sk(&ipc6, np);
diff --git a/net/ipv6/raw.c b/net/ipv6/raw.c
index 7d0adb612bdd..ac1cef094c5f 100644
--- a/net/ipv6/raw.c
+++ b/net/ipv6/raw.c
@@ -793,7 +793,8 @@ static int rawv6_sendmsg(struct sock *sk, struct msghdr *msg, size_t len)
if (!proto)
proto = inet->inet_num;
- else if (proto != inet->inet_num)
+ else if (proto != inet->inet_num &&
+ inet->inet_num != IPPROTO_RAW)
return -EINVAL;
if (proto > 255)
@@ -1117,29 +1118,29 @@ static int rawv6_getsockopt(struct sock *sk, int level, int optname,
return do_rawv6_getsockopt(sk, level, optname, optval, optlen);
}
-static int rawv6_ioctl(struct sock *sk, int cmd, unsigned long arg)
+static int rawv6_ioctl(struct sock *sk, int cmd, int *karg)
{
switch (cmd) {
case SIOCOUTQ: {
- int amount = sk_wmem_alloc_get(sk);
-
- return put_user(amount, (int __user *)arg);
+ *karg = sk_wmem_alloc_get(sk);
+ return 0;
}
case SIOCINQ: {
struct sk_buff *skb;
- int amount = 0;
spin_lock_bh(&sk->sk_receive_queue.lock);
skb = skb_peek(&sk->sk_receive_queue);
if (skb)
- amount = skb->len;
+ *karg = skb->len;
+ else
+ *karg = 0;
spin_unlock_bh(&sk->sk_receive_queue.lock);
- return put_user(amount, (int __user *)arg);
+ return 0;
}
default:
#ifdef CONFIG_IPV6_MROUTE
- return ip6mr_ioctl(sk, cmd, (void __user *)arg);
+ return ip6mr_ioctl(sk, cmd, karg);
#else
return -ENOIOCTLCMD;
#endif
@@ -1295,7 +1296,6 @@ const struct proto_ops inet6_sockraw_ops = {
.sendmsg = inet_sendmsg, /* ok */
.recvmsg = sock_common_recvmsg, /* ok */
.mmap = sock_no_mmap,
- .sendpage = sock_no_sendpage,
#ifdef CONFIG_COMPAT
.compat_ioctl = inet6_compat_ioctl,
#endif
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index e3aec46bd466..64e873f5895f 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -3360,6 +3360,7 @@ static int ip6_route_check_nh_onlink(struct net *net,
static int ip6_route_check_nh(struct net *net,
struct fib6_config *cfg,
struct net_device **_dev,
+ netdevice_tracker *dev_tracker,
struct inet6_dev **idev)
{
const struct in6_addr *gw_addr = &cfg->fc_gateway;
@@ -3404,7 +3405,7 @@ static int ip6_route_check_nh(struct net *net,
err = -EHOSTUNREACH;
} else {
*_dev = dev = res.nh->fib_nh_dev;
- dev_hold(dev);
+ netdev_hold(dev, dev_tracker, GFP_ATOMIC);
*idev = in6_dev_get(dev);
}
@@ -3412,7 +3413,9 @@ static int ip6_route_check_nh(struct net *net,
}
static int ip6_validate_gw(struct net *net, struct fib6_config *cfg,
- struct net_device **_dev, struct inet6_dev **idev,
+ struct net_device **_dev,
+ netdevice_tracker *dev_tracker,
+ struct inet6_dev **idev,
struct netlink_ext_ack *extack)
{
const struct in6_addr *gw_addr = &cfg->fc_gateway;
@@ -3453,7 +3456,8 @@ static int ip6_validate_gw(struct net *net, struct fib6_config *cfg,
if (cfg->fc_flags & RTNH_F_ONLINK)
err = ip6_route_check_nh_onlink(net, cfg, dev, extack);
else
- err = ip6_route_check_nh(net, cfg, _dev, idev);
+ err = ip6_route_check_nh(net, cfg, _dev, dev_tracker,
+ idev);
rcu_read_unlock();
@@ -3503,6 +3507,7 @@ int fib6_nh_init(struct net *net, struct fib6_nh *fib6_nh,
struct fib6_config *cfg, gfp_t gfp_flags,
struct netlink_ext_ack *extack)
{
+ netdevice_tracker *dev_tracker = &fib6_nh->fib_nh_dev_tracker;
struct net_device *dev = NULL;
struct inet6_dev *idev = NULL;
int addr_type;
@@ -3520,7 +3525,8 @@ int fib6_nh_init(struct net *net, struct fib6_nh *fib6_nh,
err = -ENODEV;
if (cfg->fc_ifindex) {
- dev = dev_get_by_index(net, cfg->fc_ifindex);
+ dev = netdev_get_by_index(net, cfg->fc_ifindex,
+ dev_tracker, gfp_flags);
if (!dev)
goto out;
idev = in6_dev_get(dev);
@@ -3554,11 +3560,11 @@ int fib6_nh_init(struct net *net, struct fib6_nh *fib6_nh,
/* hold loopback dev/idev if we haven't done so. */
if (dev != net->loopback_dev) {
if (dev) {
- dev_put(dev);
+ netdev_put(dev, dev_tracker);
in6_dev_put(idev);
}
dev = net->loopback_dev;
- dev_hold(dev);
+ netdev_hold(dev, dev_tracker, gfp_flags);
idev = in6_dev_get(dev);
if (!idev) {
err = -ENODEV;
@@ -3569,7 +3575,8 @@ int fib6_nh_init(struct net *net, struct fib6_nh *fib6_nh,
}
if (cfg->fc_flags & RTF_GATEWAY) {
- err = ip6_validate_gw(net, cfg, &dev, &idev, extack);
+ err = ip6_validate_gw(net, cfg, &dev, dev_tracker,
+ &idev, extack);
if (err)
goto out;
@@ -3610,8 +3617,6 @@ pcpu_alloc:
}
fib6_nh->fib_nh_dev = dev;
- netdev_tracker_alloc(dev, &fib6_nh->fib_nh_dev_tracker, gfp_flags);
-
fib6_nh->fib_nh_oif = dev->ifindex;
err = 0;
out:
@@ -3621,7 +3626,7 @@ out:
if (err) {
lwtstate_put(fib6_nh->fib_nh_lws);
fib6_nh->fib_nh_lws = NULL;
- dev_put(dev);
+ netdev_put(dev, dev_tracker);
}
return err;
@@ -6412,9 +6417,9 @@ static struct ctl_table ipv6_route_table_template[] = {
{
.procname = "skip_notify_on_dev_down",
.data = &init_net.ipv6.sysctl.skip_notify_on_dev_down,
- .maxlen = sizeof(int),
+ .maxlen = sizeof(u8),
.mode = 0644,
- .proc_handler = proc_dointvec_minmax,
+ .proc_handler = proc_dou8vec_minmax,
.extra1 = SYSCTL_ZERO,
.extra2 = SYSCTL_ONE,
},
diff --git a/net/ipv6/rpl.c b/net/ipv6/rpl.c
index d1876f192225..e186998bfbf7 100644
--- a/net/ipv6/rpl.c
+++ b/net/ipv6/rpl.c
@@ -29,13 +29,6 @@ static void *ipv6_rpl_segdata_pos(const struct ipv6_rpl_sr_hdr *hdr, int i)
return (void *)&hdr->rpl_segdata[i * IPV6_PFXTAIL_LEN(hdr->cmpri)];
}
-size_t ipv6_rpl_srh_size(unsigned char n, unsigned char cmpri,
- unsigned char cmpre)
-{
- return sizeof(struct ipv6_rpl_sr_hdr) + (n * IPV6_PFXTAIL_LEN(cmpri)) +
- IPV6_PFXTAIL_LEN(cmpre);
-}
-
void ipv6_rpl_srh_decompress(struct ipv6_rpl_sr_hdr *outhdr,
const struct ipv6_rpl_sr_hdr *inhdr,
const struct in6_addr *daddr, unsigned char n)
diff --git a/net/ipv6/seg6_iptunnel.c b/net/ipv6/seg6_iptunnel.c
index 34db881204d2..03b877ff4558 100644
--- a/net/ipv6/seg6_iptunnel.c
+++ b/net/ipv6/seg6_iptunnel.c
@@ -470,8 +470,6 @@ static int seg6_input_core(struct net *net, struct sock *sk,
dst = dst_cache_get(&slwt->cache);
preempt_enable();
- skb_dst_drop(skb);
-
if (!dst) {
ip6_route_input(skb);
dst = skb_dst(skb);
@@ -482,6 +480,7 @@ static int seg6_input_core(struct net *net, struct sock *sk,
preempt_enable();
}
} else {
+ skb_dst_drop(skb);
skb_dst_set(skb, dst);
}
diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c
index 7132eb213a7a..40dd92a2f480 100644
--- a/net/ipv6/tcp_ipv6.c
+++ b/net/ipv6/tcp_ipv6.c
@@ -93,12 +93,8 @@ static struct tcp_md5sig_key *tcp_v6_md5_do_lookup(const struct sock *sk,
* This avoids a dereference and allow compiler optimizations.
* It is a specialized version of inet6_sk_generic().
*/
-static struct ipv6_pinfo *tcp_inet6_sk(const struct sock *sk)
-{
- unsigned int offset = sizeof(struct tcp6_sock) - sizeof(struct ipv6_pinfo);
-
- return (struct ipv6_pinfo *)(((u8 *)sk) + offset);
-}
+#define tcp_inet6_sk(sk) (&container_of_const(tcp_sk(sk), \
+ struct tcp6_sock, tcp)->inet6)
static void inet6_sk_rx_dst_set(struct sock *sk, const struct sk_buff *skb)
{
@@ -533,7 +529,7 @@ static int tcp_v6_send_synack(const struct sock *sk, struct dst_entry *dst,
struct sk_buff *syn_skb)
{
struct inet_request_sock *ireq = inet_rsk(req);
- struct ipv6_pinfo *np = tcp_inet6_sk(sk);
+ const struct ipv6_pinfo *np = tcp_inet6_sk(sk);
struct ipv6_txoptions *opt;
struct flowi6 *fl6 = &fl->u.ip6;
struct sk_buff *skb;
@@ -2154,7 +2150,7 @@ struct proto tcpv6_prot = {
.keepalive = tcp_set_keepalive,
.recvmsg = tcp_recvmsg,
.sendmsg = tcp_sendmsg,
- .sendpage = tcp_sendpage,
+ .splice_eof = tcp_splice_eof,
.backlog_rcv = tcp_v6_do_rcv,
.release_cb = tcp_release_cb,
.hash = inet6_hash,
diff --git a/net/ipv6/tcpv6_offload.c b/net/ipv6/tcpv6_offload.c
index 39db5a226855..bf0c957e4b5e 100644
--- a/net/ipv6/tcpv6_offload.c
+++ b/net/ipv6/tcpv6_offload.c
@@ -36,7 +36,8 @@ INDIRECT_CALLABLE_SCOPE int tcp6_gro_complete(struct sk_buff *skb, int thoff)
&iph->daddr, 0);
skb_shinfo(skb)->gso_type |= SKB_GSO_TCPV6;
- return tcp_gro_complete(skb);
+ tcp_gro_complete(skb);
+ return 0;
}
static struct sk_buff *tcp6_gso_segment(struct sk_buff *skb,
diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c
index e5a337e6b970..b7c972aa09a7 100644
--- a/net/ipv6/udp.c
+++ b/net/ipv6/udp.c
@@ -45,6 +45,7 @@
#include <net/tcp_states.h>
#include <net/ip6_checksum.h>
#include <net/ip6_tunnel.h>
+#include <trace/events/udp.h>
#include <net/xfrm.h>
#include <net/inet_hashtables.h>
#include <net/inet6_hashtables.h>
@@ -90,7 +91,7 @@ static u32 udp6_ehashfn(const struct net *net,
fhash = __ipv6_addr_jhash(faddr, udp_ipv6_hash_secret);
return __inet6_ehashfn(lhash, lport, fhash, fport,
- udp_ipv6_hash_secret + net_hash_mix(net));
+ udp6_ehash_secret + net_hash_mix(net));
}
int udp_v6_get_port(struct sock *sk, unsigned short snum)
@@ -680,6 +681,7 @@ static int __udpv6_queue_rcv_skb(struct sock *sk, struct sk_buff *skb)
}
UDP6_INC_STATS(sock_net(sk), UDP_MIB_INERRORS, is_udplite);
kfree_skb_reason(skb, drop_reason);
+ trace_udp_fail_queue_rcv_skb(rc, sk);
return -1;
}
@@ -1653,6 +1655,20 @@ do_confirm:
}
EXPORT_SYMBOL(udpv6_sendmsg);
+static void udpv6_splice_eof(struct socket *sock)
+{
+ struct sock *sk = sock->sk;
+ struct udp_sock *up = udp_sk(sk);
+
+ if (!up->pending || READ_ONCE(up->corkflag))
+ return;
+
+ lock_sock(sk);
+ if (up->pending && !READ_ONCE(up->corkflag))
+ udp_v6_push_pending_frames(sk);
+ release_sock(sk);
+}
+
void udpv6_destroy_sock(struct sock *sk)
{
struct udp_sock *up = udp_sk(sk);
@@ -1764,6 +1780,7 @@ struct proto udpv6_prot = {
.getsockopt = udpv6_getsockopt,
.sendmsg = udpv6_sendmsg,
.recvmsg = udpv6_recvmsg,
+ .splice_eof = udpv6_splice_eof,
.release_cb = ip6_datagram_release_cb,
.hash = udp_lib_hash,
.unhash = udp_lib_unhash,
diff --git a/net/ipv6/udp_offload.c b/net/ipv6/udp_offload.c
index c39c1e32f980..ad3b8726873e 100644
--- a/net/ipv6/udp_offload.c
+++ b/net/ipv6/udp_offload.c
@@ -14,6 +14,7 @@
#include <net/ip6_checksum.h>
#include "ip6_offload.h"
#include <net/gro.h>
+#include <net/gso.h>
static struct sk_buff *udp6_ufo_fragment(struct sk_buff *skb,
netdev_features_t features)
diff --git a/net/ipv6/udplite.c b/net/ipv6/udplite.c
index 67eaf3ca14ce..8e010d07917a 100644
--- a/net/ipv6/udplite.c
+++ b/net/ipv6/udplite.c
@@ -8,6 +8,8 @@
* Changes:
* Fixes:
*/
+#define pr_fmt(fmt) "UDPLite6: " fmt
+
#include <linux/export.h>
#include <linux/proc_fs.h>
#include "udp_impl.h"
@@ -16,6 +18,8 @@ static int udplitev6_sk_init(struct sock *sk)
{
udpv6_init_sock(sk);
udp_sk(sk)->pcflag = UDPLITE_BIT;
+ pr_warn_once("UDP-Lite is deprecated and scheduled to be removed in 2025, "
+ "please contact the netdev mailing list\n");
return 0;
}
@@ -60,6 +64,8 @@ struct proto udplitev6_prot = {
.per_cpu_fw_alloc = &udp_memory_per_cpu_fw_alloc,
.sysctl_mem = sysctl_udp_mem,
+ .sysctl_wmem_offset = offsetof(struct net, ipv4.sysctl_udp_wmem_min),
+ .sysctl_rmem_offset = offsetof(struct net, ipv4.sysctl_udp_rmem_min),
.obj_size = sizeof(struct udp6_sock),
.h.udp_table = &udplite_table,
};
diff --git a/net/ipv6/xfrm6_input.c b/net/ipv6/xfrm6_input.c
index 04cbeefd8982..4907ab241d6b 100644
--- a/net/ipv6/xfrm6_input.c
+++ b/net/ipv6/xfrm6_input.c
@@ -86,6 +86,9 @@ int xfrm6_udp_encap_rcv(struct sock *sk, struct sk_buff *skb)
__be32 *udpdata32;
__u16 encap_type = up->encap_type;
+ if (skb->protocol == htons(ETH_P_IP))
+ return xfrm4_udp_encap_rcv(sk, skb);
+
/* if this is not encapsulated socket, then just return now */
if (!encap_type)
return 1;
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.