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-rw-r--r--net/ipv6/addrconf.c4
-rw-r--r--net/ipv6/addrconf_core.c2
-rw-r--r--net/ipv6/af_inet6.c7
-rw-r--r--net/ipv6/ah6.c5
-rw-r--r--net/ipv6/esp6_offload.c1
-rw-r--r--net/ipv6/exthdrs.c1
-rw-r--r--net/ipv6/fib6_rules.c5
-rw-r--r--net/ipv6/inet6_hashtables.c8
-rw-r--r--net/ipv6/ip6_gre.c8
-rw-r--r--net/ipv6/ip6_offload.c14
-rw-r--r--net/ipv6/ip6_output.c2
-rw-r--r--net/ipv6/ip6_tunnel.c4
-rw-r--r--net/ipv6/ip6_vti.c4
-rw-r--r--net/ipv6/ip6mr.c8
-rw-r--r--net/ipv6/ipv6_sockglue.c17
-rw-r--r--net/ipv6/route.c38
-rw-r--r--net/ipv6/sit.c4
-rw-r--r--net/ipv6/syncookies.c2
-rw-r--r--net/ipv6/tcp_ipv6.c10
-rw-r--r--net/ipv6/tcpv6_offload.c1
-rw-r--r--net/ipv6/udp.c8
-rw-r--r--net/ipv6/udp_offload.c3
-rw-r--r--net/ipv6/xfrm6_policy.c4
23 files changed, 65 insertions, 95 deletions
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index 3445f8017430..3eee17790a82 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -405,13 +405,13 @@ static struct inet6_dev *ipv6_add_dev(struct net_device *dev)
if (ndev->cnf.forwarding)
dev_disable_lro(dev);
/* We refer to the device */
- dev_hold(dev);
+ dev_hold_track(dev, &ndev->dev_tracker, GFP_KERNEL);
if (snmp6_alloc_dev(ndev) < 0) {
netdev_dbg(dev, "%s: cannot allocate memory for statistics\n",
__func__);
neigh_parms_release(&nd_tbl, ndev->nd_parms);
- dev_put(dev);
+ dev_put_track(dev, &ndev->dev_tracker);
kfree(ndev);
return ERR_PTR(err);
}
diff --git a/net/ipv6/addrconf_core.c b/net/ipv6/addrconf_core.c
index 1d4054bb345b..881d1477d24a 100644
--- a/net/ipv6/addrconf_core.c
+++ b/net/ipv6/addrconf_core.c
@@ -263,7 +263,7 @@ void in6_dev_finish_destroy(struct inet6_dev *idev)
#ifdef NET_REFCNT_DEBUG
pr_debug("%s: %s\n", __func__, dev ? dev->name : "NIL");
#endif
- dev_put(dev);
+ dev_put_track(dev, &idev->dev_tracker);
if (!idev->dead) {
pr_warn("Freeing alive inet6 device %p\n", idev);
return;
diff --git a/net/ipv6/af_inet6.c b/net/ipv6/af_inet6.c
index dab4a047590b..d1636425654e 100644
--- a/net/ipv6/af_inet6.c
+++ b/net/ipv6/af_inet6.c
@@ -337,11 +337,8 @@ static int __inet6_bind(struct sock *sk, struct sockaddr *uaddr, int addr_len,
chk_addr_ret = inet_addr_type_dev_table(net, dev, v4addr);
rcu_read_unlock();
- if (!inet_can_nonlocal_bind(net, inet) &&
- v4addr != htonl(INADDR_ANY) &&
- chk_addr_ret != RTN_LOCAL &&
- chk_addr_ret != RTN_MULTICAST &&
- chk_addr_ret != RTN_BROADCAST) {
+ if (!inet_addr_valid_or_nonlocal(net, inet, v4addr,
+ chk_addr_ret)) {
err = -EADDRNOTAVAIL;
goto out;
}
diff --git a/net/ipv6/ah6.c b/net/ipv6/ah6.c
index 828e62514260..b5995c1f4d7a 100644
--- a/net/ipv6/ah6.c
+++ b/net/ipv6/ah6.c
@@ -175,7 +175,6 @@ static void ipv6_rearrange_destopt(struct ipv6hdr *iph, struct ipv6_opt_hdr *des
* See 11.3.2 of RFC 3775 for details.
*/
if (opt[off] == IPV6_TLV_HAO) {
- struct in6_addr final_addr;
struct ipv6_destopt_hao *hao;
hao = (struct ipv6_destopt_hao *)&opt[off];
@@ -184,9 +183,7 @@ static void ipv6_rearrange_destopt(struct ipv6hdr *iph, struct ipv6_opt_hdr *des
hao->length);
goto bad;
}
- final_addr = hao->addr;
- hao->addr = iph->saddr;
- iph->saddr = final_addr;
+ swap(hao->addr, iph->saddr);
}
break;
}
diff --git a/net/ipv6/esp6_offload.c b/net/ipv6/esp6_offload.c
index a349d4798077..ba5e81cd569c 100644
--- a/net/ipv6/esp6_offload.c
+++ b/net/ipv6/esp6_offload.c
@@ -16,6 +16,7 @@
#include <crypto/authenc.h>
#include <linux/err.h>
#include <linux/module.h>
+#include <net/gro.h>
#include <net/ip.h>
#include <net/xfrm.h>
#include <net/esp.h>
diff --git a/net/ipv6/exthdrs.c b/net/ipv6/exthdrs.c
index 38ece3b7b839..77e34aec7e82 100644
--- a/net/ipv6/exthdrs.c
+++ b/net/ipv6/exthdrs.c
@@ -686,7 +686,6 @@ static int ipv6_rthdr_rcv(struct sk_buff *skb)
struct net *net = dev_net(skb->dev);
int accept_source_route = net->ipv6.devconf_all->accept_source_route;
- idev = __in6_dev_get(skb->dev);
if (idev && accept_source_route > idev->cnf.accept_source_route)
accept_source_route = idev->cnf.accept_source_route;
diff --git a/net/ipv6/fib6_rules.c b/net/ipv6/fib6_rules.c
index dcedfe29d9d9..ec029c86ae06 100644
--- a/net/ipv6/fib6_rules.c
+++ b/net/ipv6/fib6_rules.c
@@ -340,10 +340,6 @@ INDIRECT_CALLABLE_SCOPE int fib6_rule_match(struct fib_rule *rule,
return 1;
}
-static const struct nla_policy fib6_rule_policy[FRA_MAX+1] = {
- FRA_GENERIC_POLICY,
-};
-
static int fib6_rule_configure(struct fib_rule *rule, struct sk_buff *skb,
struct fib_rule_hdr *frh,
struct nlattr **tb,
@@ -459,7 +455,6 @@ static const struct fib_rules_ops __net_initconst fib6_rules_ops_template = {
.fill = fib6_rule_fill,
.nlmsg_payload = fib6_rule_nlmsg_payload,
.nlgroup = RTNLGRP_IPV6_RULE,
- .policy = fib6_rule_policy,
.owner = THIS_MODULE,
.fro_net = &init_net,
};
diff --git a/net/ipv6/inet6_hashtables.c b/net/ipv6/inet6_hashtables.c
index 67c9114835c8..4514444e96c8 100644
--- a/net/ipv6/inet6_hashtables.c
+++ b/net/ipv6/inet6_hashtables.c
@@ -165,7 +165,7 @@ static inline struct sock *inet6_lookup_run_bpf(struct net *net,
const struct in6_addr *saddr,
const __be16 sport,
const struct in6_addr *daddr,
- const u16 hnum)
+ const u16 hnum, const int dif)
{
struct sock *sk, *reuse_sk;
bool no_reuseport;
@@ -173,8 +173,8 @@ static inline struct sock *inet6_lookup_run_bpf(struct net *net,
if (hashinfo != &tcp_hashinfo)
return NULL; /* only TCP is supported */
- no_reuseport = bpf_sk_lookup_run_v6(net, IPPROTO_TCP,
- saddr, sport, daddr, hnum, &sk);
+ no_reuseport = bpf_sk_lookup_run_v6(net, IPPROTO_TCP, saddr, sport,
+ daddr, hnum, dif, &sk);
if (no_reuseport || IS_ERR_OR_NULL(sk))
return sk;
@@ -198,7 +198,7 @@ struct sock *inet6_lookup_listener(struct net *net,
/* Lookup redirect from BPF */
if (static_branch_unlikely(&bpf_sk_lookup_enabled)) {
result = inet6_lookup_run_bpf(net, hashinfo, skb, doff,
- saddr, sport, daddr, hnum);
+ saddr, sport, daddr, hnum, dif);
if (result)
goto done;
}
diff --git a/net/ipv6/ip6_gre.c b/net/ipv6/ip6_gre.c
index d831d2439693..110839a88bc2 100644
--- a/net/ipv6/ip6_gre.c
+++ b/net/ipv6/ip6_gre.c
@@ -403,7 +403,7 @@ static void ip6erspan_tunnel_uninit(struct net_device *dev)
ip6erspan_tunnel_unlink_md(ign, t);
ip6gre_tunnel_unlink(ign, t);
dst_cache_reset(&t->dst_cache);
- dev_put(dev);
+ dev_put_track(dev, &t->dev_tracker);
}
static void ip6gre_tunnel_uninit(struct net_device *dev)
@@ -416,7 +416,7 @@ static void ip6gre_tunnel_uninit(struct net_device *dev)
if (ign->fb_tunnel_dev == dev)
WRITE_ONCE(ign->fb_tunnel_dev, NULL);
dst_cache_reset(&t->dst_cache);
- dev_put(dev);
+ dev_put_track(dev, &t->dev_tracker);
}
@@ -1496,7 +1496,7 @@ static int ip6gre_tunnel_init_common(struct net_device *dev)
}
ip6gre_tnl_init_features(dev);
- dev_hold(dev);
+ dev_hold_track(dev, &tunnel->dev_tracker, GFP_KERNEL);
return 0;
cleanup_dst_cache_init:
@@ -1888,7 +1888,7 @@ static int ip6erspan_tap_init(struct net_device *dev)
dev->priv_flags |= IFF_LIVE_ADDR_CHANGE;
ip6erspan_tnl_link_config(tunnel, 1);
- dev_hold(dev);
+ dev_hold_track(dev, &tunnel->dev_tracker, GFP_KERNEL);
return 0;
cleanup_dst_cache_init:
diff --git a/net/ipv6/ip6_offload.c b/net/ipv6/ip6_offload.c
index 1cbd49d5788d..b29e9ba5e113 100644
--- a/net/ipv6/ip6_offload.c
+++ b/net/ipv6/ip6_offload.c
@@ -208,7 +208,6 @@ INDIRECT_CALLABLE_SCOPE struct sk_buff *ipv6_gro_receive(struct list_head *head,
flush += ntohs(iph->payload_len) != skb_gro_len(skb);
- rcu_read_lock();
proto = iph->nexthdr;
ops = rcu_dereference(inet6_offloads[proto]);
if (!ops || !ops->callbacks.gro_receive) {
@@ -221,7 +220,7 @@ INDIRECT_CALLABLE_SCOPE struct sk_buff *ipv6_gro_receive(struct list_head *head,
ops = rcu_dereference(inet6_offloads[proto]);
if (!ops || !ops->callbacks.gro_receive)
- goto out_unlock;
+ goto out;
iph = ipv6_hdr(skb);
}
@@ -279,9 +278,6 @@ not_same_flow:
pp = indirect_call_gro_receive_l4(tcp6_gro_receive, udp6_gro_receive,
ops->callbacks.gro_receive, head, skb);
-out_unlock:
- rcu_read_unlock();
-
out:
skb_gro_flush_final(skb, pp, flush);
@@ -331,18 +327,14 @@ INDIRECT_CALLABLE_SCOPE int ipv6_gro_complete(struct sk_buff *skb, int nhoff)
iph->payload_len = htons(skb->len - nhoff - sizeof(*iph));
- rcu_read_lock();
-
nhoff += sizeof(*iph) + ipv6_exthdrs_len(iph, &ops);
if (WARN_ON(!ops || !ops->callbacks.gro_complete))
- goto out_unlock;
+ goto out;
err = INDIRECT_CALL_L4(ops->callbacks.gro_complete, tcp6_gro_complete,
udp6_gro_complete, skb, nhoff);
-out_unlock:
- rcu_read_unlock();
-
+out:
return err;
}
diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c
index ff4e83e2a506..2995f8d89e7e 100644
--- a/net/ipv6/ip6_output.c
+++ b/net/ipv6/ip6_output.c
@@ -977,7 +977,7 @@ slow_path:
fail_toobig:
if (skb->sk && dst_allfrag(skb_dst(skb)))
- sk_nocaps_add(skb->sk, NETIF_F_GSO_MASK);
+ sk_gso_disable(skb->sk);
icmpv6_send(skb, ICMPV6_PKT_TOOBIG, 0, mtu);
err = -EMSGSIZE;
diff --git a/net/ipv6/ip6_tunnel.c b/net/ipv6/ip6_tunnel.c
index 484aca492cc0..fe786df4f849 100644
--- a/net/ipv6/ip6_tunnel.c
+++ b/net/ipv6/ip6_tunnel.c
@@ -383,7 +383,7 @@ ip6_tnl_dev_uninit(struct net_device *dev)
else
ip6_tnl_unlink(ip6n, t);
dst_cache_reset(&t->dst_cache);
- dev_put(dev);
+ dev_put_track(dev, &t->dev_tracker);
}
/**
@@ -1883,7 +1883,7 @@ ip6_tnl_dev_init_gen(struct net_device *dev)
dev->min_mtu = ETH_MIN_MTU;
dev->max_mtu = IP6_MAX_MTU - dev->hard_header_len;
- dev_hold(dev);
+ dev_hold_track(dev, &t->dev_tracker, GFP_KERNEL);
return 0;
destroy_dst:
diff --git a/net/ipv6/ip6_vti.c b/net/ipv6/ip6_vti.c
index 527e9ead7449..ed9b6d6ca65e 100644
--- a/net/ipv6/ip6_vti.c
+++ b/net/ipv6/ip6_vti.c
@@ -293,7 +293,7 @@ static void vti6_dev_uninit(struct net_device *dev)
RCU_INIT_POINTER(ip6n->tnls_wc[0], NULL);
else
vti6_tnl_unlink(ip6n, t);
- dev_put(dev);
+ dev_put_track(dev, &t->dev_tracker);
}
static int vti6_input_proto(struct sk_buff *skb, int nexthdr, __be32 spi,
@@ -934,7 +934,7 @@ static inline int vti6_dev_init_gen(struct net_device *dev)
dev->tstats = netdev_alloc_pcpu_stats(struct pcpu_sw_netstats);
if (!dev->tstats)
return -ENOMEM;
- dev_hold(dev);
+ dev_hold_track(dev, &t->dev_tracker, GFP_KERNEL);
return 0;
}
diff --git a/net/ipv6/ip6mr.c b/net/ipv6/ip6mr.c
index 36ed9efb8825..7cf73e60e619 100644
--- a/net/ipv6/ip6mr.c
+++ b/net/ipv6/ip6mr.c
@@ -182,10 +182,6 @@ static int ip6mr_rule_match(struct fib_rule *rule, struct flowi *flp, int flags)
return 1;
}
-static const struct nla_policy ip6mr_rule_policy[FRA_MAX + 1] = {
- FRA_GENERIC_POLICY,
-};
-
static int ip6mr_rule_configure(struct fib_rule *rule, struct sk_buff *skb,
struct fib_rule_hdr *frh, struct nlattr **tb,
struct netlink_ext_ack *extack)
@@ -218,7 +214,6 @@ static const struct fib_rules_ops __net_initconst ip6mr_rules_ops_template = {
.compare = ip6mr_rule_compare,
.fill = ip6mr_rule_fill,
.nlgroup = RTNLGRP_IPV6_RULE,
- .policy = ip6mr_rule_policy,
.owner = THIS_MODULE,
};
@@ -746,7 +741,7 @@ static int mif6_delete(struct mr_table *mrt, int vifi, int notify,
if ((v->flags & MIFF_REGISTER) && !notify)
unregister_netdevice_queue(dev, head);
- dev_put(dev);
+ dev_put_track(dev, &v->dev_tracker);
return 0;
}
@@ -919,6 +914,7 @@ static int mif6_add(struct net *net, struct mr_table *mrt,
/* And finish update writing critical data */
write_lock_bh(&mrt_lock);
v->dev = dev;
+ netdev_tracker_alloc(dev, &v->dev_tracker, GFP_ATOMIC);
#ifdef CONFIG_IPV6_PIMSM_V2
if (v->flags & MIFF_REGISTER)
mrt->mroute_reg_vif_num = vifi;
diff --git a/net/ipv6/ipv6_sockglue.c b/net/ipv6/ipv6_sockglue.c
index 41efca817db4..a733803a710c 100644
--- a/net/ipv6/ipv6_sockglue.c
+++ b/net/ipv6/ipv6_sockglue.c
@@ -471,10 +471,10 @@ static int do_ipv6_setsockopt(struct sock *sk, int level, int optname,
if (sk->sk_protocol == IPPROTO_TCP) {
struct inet_connection_sock *icsk = inet_csk(sk);
- local_bh_disable();
+
sock_prot_inuse_add(net, sk->sk_prot, -1);
sock_prot_inuse_add(net, &tcp_prot, 1);
- local_bh_enable();
+
sk->sk_prot = &tcp_prot;
icsk->icsk_af_ops = &ipv4_specific;
sk->sk_socket->ops = &inet_stream_ops;
@@ -485,10 +485,10 @@ static int do_ipv6_setsockopt(struct sock *sk, int level, int optname,
if (sk->sk_protocol == IPPROTO_UDPLITE)
prot = &udplite_prot;
- local_bh_disable();
+
sock_prot_inuse_add(net, sk->sk_prot, -1);
sock_prot_inuse_add(net, prot, 1);
- local_bh_enable();
+
sk->sk_prot = prot;
sk->sk_socket->ops = &inet_dgram_ops;
sk->sk_family = PF_INET;
@@ -599,7 +599,14 @@ static int do_ipv6_setsockopt(struct sock *sk, int level, int optname,
/* RFC 3542, 6.5: default traffic class of 0x0 */
if (val == -1)
val = 0;
- np->tclass = val;
+ if (sk->sk_type == SOCK_STREAM) {
+ val &= ~INET_ECN_MASK;
+ val |= np->tclass & INET_ECN_MASK;
+ }
+ if (np->tclass != val) {
+ np->tclass = val;
+ sk_dst_reset(sk);
+ }
retv = 0;
break;
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index 42d60c76d30a..03be0e6b4826 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -182,8 +182,9 @@ static void rt6_uncached_list_flush_dev(struct net *net, struct net_device *dev)
if (rt_dev == dev) {
rt->dst.dev = blackhole_netdev;
- dev_hold(rt->dst.dev);
- dev_put(rt_dev);
+ dev_replace_track(rt_dev, blackhole_netdev,
+ &rt->dst.dev_tracker,
+ GFP_ATOMIC);
}
}
spin_unlock_bh(&ul->lock);
@@ -328,9 +329,7 @@ static const struct rt6_info ip6_blk_hole_entry_template = {
static void rt6_info_init(struct rt6_info *rt)
{
- struct dst_entry *dst = &rt->dst;
-
- memset(dst + 1, 0, sizeof(*rt) - sizeof(*dst));
+ memset_after(rt, 0, dst);
INIT_LIST_HEAD(&rt->rt6i_uncached);
}
@@ -594,6 +593,7 @@ struct __rt6_probe_work {
struct work_struct work;
struct in6_addr target;
struct net_device *dev;
+ netdevice_tracker dev_tracker;
};
static void rt6_probe_deferred(struct work_struct *w)
@@ -604,7 +604,7 @@ static void rt6_probe_deferred(struct work_struct *w)
addrconf_addr_solict_mult(&work->target, &mcaddr);
ndisc_send_ns(work->dev, &work->target, &mcaddr, NULL, 0);
- dev_put(work->dev);
+ dev_put_track(work->dev, &work->dev_tracker);
kfree(work);
}
@@ -658,7 +658,7 @@ static void rt6_probe(struct fib6_nh *fib6_nh)
} else {
INIT_WORK(&work->work, rt6_probe_deferred);
work->target = *nh_gw;
- dev_hold(dev);
+ dev_hold_track(dev, &work->dev_tracker, GFP_ATOMIC);
work->dev = dev;
schedule_work(&work->work);
}
@@ -1485,7 +1485,7 @@ static void rt6_exception_remove_oldest(struct rt6_exception_bucket *bucket)
static u32 rt6_exception_hash(const struct in6_addr *dst,
const struct in6_addr *src)
{
- static siphash_key_t rt6_exception_key __read_mostly;
+ static siphash_aligned_key_t rt6_exception_key;
struct {
struct in6_addr dst;
struct in6_addr src;
@@ -3628,6 +3628,8 @@ 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:
@@ -3658,24 +3660,8 @@ void fib6_nh_release(struct fib6_nh *fib6_nh)
rcu_read_unlock();
- if (fib6_nh->rt6i_pcpu) {
- int cpu;
-
- for_each_possible_cpu(cpu) {
- struct rt6_info **ppcpu_rt;
- struct rt6_info *pcpu_rt;
-
- ppcpu_rt = per_cpu_ptr(fib6_nh->rt6i_pcpu, cpu);
- pcpu_rt = *ppcpu_rt;
- if (pcpu_rt) {
- dst_dev_put(&pcpu_rt->dst);
- dst_release(&pcpu_rt->dst);
- *ppcpu_rt = NULL;
- }
- }
-
- free_percpu(fib6_nh->rt6i_pcpu);
- }
+ fib6_nh_release_dsts(fib6_nh);
+ free_percpu(fib6_nh->rt6i_pcpu);
fib_nh_common_release(&fib6_nh->nh_common);
}
diff --git a/net/ipv6/sit.c b/net/ipv6/sit.c
index 8a3618a30632..a618dce7e0bc 100644
--- a/net/ipv6/sit.c
+++ b/net/ipv6/sit.c
@@ -521,7 +521,7 @@ static void ipip6_tunnel_uninit(struct net_device *dev)
ipip6_tunnel_del_prl(tunnel, NULL);
}
dst_cache_reset(&tunnel->dst_cache);
- dev_put(dev);
+ dev_put_track(dev, &tunnel->dev_tracker);
}
static int ipip6_err(struct sk_buff *skb, u32 info)
@@ -1463,7 +1463,7 @@ static int ipip6_tunnel_init(struct net_device *dev)
dev->tstats = NULL;
return err;
}
- dev_hold(dev);
+ dev_hold_track(dev, &tunnel->dev_tracker, GFP_KERNEL);
return 0;
}
diff --git a/net/ipv6/syncookies.c b/net/ipv6/syncookies.c
index e8cfb9e997bf..d1b61d00368e 100644
--- a/net/ipv6/syncookies.c
+++ b/net/ipv6/syncookies.c
@@ -20,7 +20,7 @@
#define COOKIEBITS 24 /* Upper bits store count */
#define COOKIEMASK (((__u32)1 << COOKIEBITS) - 1)
-static siphash_key_t syncookie6_secret[2] __read_mostly;
+static siphash_aligned_key_t syncookie6_secret[2];
/* RFC 2460, Section 8.3:
* [ipv6 tcp] MSS must be computed as the maximum packet size minus 60 [..]
diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c
index 680e6481b967..1ac243d18c2b 100644
--- a/net/ipv6/tcp_ipv6.c
+++ b/net/ipv6/tcp_ipv6.c
@@ -72,7 +72,7 @@ static void tcp_v6_send_reset(const struct sock *sk, struct sk_buff *skb);
static void tcp_v6_reqsk_send_ack(const struct sock *sk, struct sk_buff *skb,
struct request_sock *req);
-static int tcp_v6_do_rcv(struct sock *sk, struct sk_buff *skb);
+INDIRECT_CALLABLE_SCOPE int tcp_v6_do_rcv(struct sock *sk, struct sk_buff *skb);
static const struct inet_connection_sock_af_ops ipv6_mapped;
const struct inet_connection_sock_af_ops ipv6_specific;
@@ -1466,7 +1466,8 @@ INDIRECT_CALLABLE_DECLARE(struct dst_entry *ipv4_dst_check(struct dst_entry *,
* This is because we cannot sleep with the original spinlock
* held.
*/
-static int tcp_v6_do_rcv(struct sock *sk, struct sk_buff *skb)
+INDIRECT_CALLABLE_SCOPE
+int tcp_v6_do_rcv(struct sock *sk, struct sk_buff *skb)
{
struct ipv6_pinfo *np = tcp_inet6_sk(sk);
struct sk_buff *opt_skb = NULL;
@@ -1760,6 +1761,7 @@ process:
sk_incoming_cpu_update(sk);
+ sk_defer_free_flush(sk);
bh_lock_sock_nested(sk);
tcp_segs_in(tcp_sk(sk), skb);
ret = 0;
@@ -1896,9 +1898,7 @@ static struct timewait_sock_ops tcp6_timewait_sock_ops = {
INDIRECT_CALLABLE_SCOPE void tcp_v6_send_check(struct sock *sk, struct sk_buff *skb)
{
- struct ipv6_pinfo *np = inet6_sk(sk);
-
- __tcp_v6_send_check(skb, &np->saddr, &sk->sk_v6_daddr);
+ __tcp_v6_send_check(skb, &sk->sk_v6_rcv_saddr, &sk->sk_v6_daddr);
}
const struct inet_connection_sock_af_ops ipv6_specific = {
diff --git a/net/ipv6/tcpv6_offload.c b/net/ipv6/tcpv6_offload.c
index 1796856bc24f..39db5a226855 100644
--- a/net/ipv6/tcpv6_offload.c
+++ b/net/ipv6/tcpv6_offload.c
@@ -7,6 +7,7 @@
*/
#include <linux/indirect_call_wrapper.h>
#include <linux/skbuff.h>
+#include <net/gro.h>
#include <net/protocol.h>
#include <net/tcp.h>
#include <net/ip6_checksum.h>
diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c
index a2caca6ccf11..01e53eb4875a 100644
--- a/net/ipv6/udp.c
+++ b/net/ipv6/udp.c
@@ -195,7 +195,7 @@ static inline struct sock *udp6_lookup_run_bpf(struct net *net,
const struct in6_addr *saddr,
__be16 sport,
const struct in6_addr *daddr,
- u16 hnum)
+ u16 hnum, const int dif)
{
struct sock *sk, *reuse_sk;
bool no_reuseport;
@@ -203,8 +203,8 @@ static inline struct sock *udp6_lookup_run_bpf(struct net *net,
if (udptable != &udp_table)
return NULL; /* only UDP is supported */
- no_reuseport = bpf_sk_lookup_run_v6(net, IPPROTO_UDP,
- saddr, sport, daddr, hnum, &sk);
+ no_reuseport = bpf_sk_lookup_run_v6(net, IPPROTO_UDP, saddr, sport,
+ daddr, hnum, dif, &sk);
if (no_reuseport || IS_ERR_OR_NULL(sk))
return sk;
@@ -240,7 +240,7 @@ struct sock *__udp6_lib_lookup(struct net *net,
/* Lookup redirect from BPF */
if (static_branch_unlikely(&bpf_sk_lookup_enabled)) {
sk = udp6_lookup_run_bpf(net, udptable, skb,
- saddr, sport, daddr, hnum);
+ saddr, sport, daddr, hnum, dif);
if (sk) {
result = sk;
goto done;
diff --git a/net/ipv6/udp_offload.c b/net/ipv6/udp_offload.c
index b3d9ed96e5ea..7720d04ed396 100644
--- a/net/ipv6/udp_offload.c
+++ b/net/ipv6/udp_offload.c
@@ -13,6 +13,7 @@
#include <net/udp.h>
#include <net/ip6_checksum.h>
#include "ip6_offload.h"
+#include <net/gro.h>
static struct sk_buff *udp6_ufo_fragment(struct sk_buff *skb,
netdev_features_t features)
@@ -144,13 +145,11 @@ struct sk_buff *udp6_gro_receive(struct list_head *head, struct sk_buff *skb)
skip:
NAPI_GRO_CB(skb)->is_ipv6 = 1;
- rcu_read_lock();
if (static_branch_unlikely(&udpv6_encap_needed_key))
sk = udp6_gro_lookup_skb(skb, uh->source, uh->dest);
pp = udp_gro_receive(head, skb, uh, sk);
- rcu_read_unlock();
return pp;
flush:
diff --git a/net/ipv6/xfrm6_policy.c b/net/ipv6/xfrm6_policy.c
index af7a4b8b1e9c..fad687ee6dd8 100644
--- a/net/ipv6/xfrm6_policy.c
+++ b/net/ipv6/xfrm6_policy.c
@@ -74,11 +74,11 @@ static int xfrm6_fill_dst(struct xfrm_dst *xdst, struct net_device *dev,
struct rt6_info *rt = (struct rt6_info *)xdst->route;
xdst->u.dst.dev = dev;
- dev_hold(dev);
+ dev_hold_track(dev, &xdst->u.dst.dev_tracker, GFP_ATOMIC);
xdst->u.rt6.rt6i_idev = in6_dev_get(dev);
if (!xdst->u.rt6.rt6i_idev) {
- dev_put(dev);
+ dev_put_track(dev, &xdst->u.dst.dev_tracker);
return -ENODEV;
}