Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next

Pull networking updates from David Miller:

 1) Support 6Ghz band in ath11k driver, from Rajkumar Manoharan.

 2) Support UDP segmentation in code TSO code, from Eric Dumazet.

 3) Allow flashing different flash images in cxgb4 driver, from Vishal
    Kulkarni.

 4) Add drop frames counter and flow status to tc flower offloading,
    from Po Liu.

 5) Support n-tuple filters in cxgb4, from Vishal Kulkarni.

 6) Various new indirect call avoidance, from Eric Dumazet and Brian
    Vazquez.

 7) Fix BPF verifier failures on 32-bit pointer arithmetic, from
    Yonghong Song.

 8) Support querying and setting hardware address of a port function via
    devlink, use this in mlx5, from Parav Pandit.

 9) Support hw ipsec offload on bonding slaves, from Jarod Wilson.

10) Switch qca8k driver over to phylink, from Jonathan McDowell.

11) In bpftool, show list of processes holding BPF FD references to
    maps, programs, links, and btf objects. From Andrii Nakryiko.

12) Several conversions over to generic power management, from Vaibhav
    Gupta.

13) Add support for SO_KEEPALIVE et al. to bpf_setsockopt(), from Dmitry
    Yakunin.

14) Various https url conversions, from Alexander A. Klimov.

15) Timestamping and PHC support for mscc PHY driver, from Antoine
    Tenart.

16) Support bpf iterating over tcp and udp sockets, from Yonghong Song.

17) Support 5GBASE-T i40e NICs, from Aleksandr Loktionov.

18) Add kTLS RX HW offload support to mlx5e, from Tariq Toukan.

19) Fix the ->ndo_start_xmit() return type to be netdev_tx_t in several
    drivers. From Luc Van Oostenryck.

20) XDP support for xen-netfront, from Denis Kirjanov.

21) Support receive buffer autotuning in MPTCP, from Florian Westphal.

22) Support EF100 chip in sfc driver, from Edward Cree.

23) Add XDP support to mvpp2 driver, from Matteo Croce.

24) Support MPTCP in sock_diag, from Paolo Abeni.

25) Commonize UDP tunnel offloading code by creating udp_tunnel_nic
    infrastructure, from Jakub Kicinski.

26) Several pci_ --> dma_ API conversions, from Christophe JAILLET.

27) Add FLOW_ACTION_POLICE support to mlxsw, from Ido Schimmel.

28) Add SK_LOOKUP bpf program type, from Jakub Sitnicki.

29) Refactor a lot of networking socket option handling code in order to
    avoid set_fs() calls, from Christoph Hellwig.

30) Add rfc4884 support to icmp code, from Willem de Bruijn.

31) Support TBF offload in dpaa2-eth driver, from Ioana Ciornei.

32) Support XDP_REDIRECT in qede driver, from Alexander Lobakin.

33) Support PCI relaxed ordering in mlx5 driver, from Aya Levin.

34) Support TCP syncookies in MPTCP, from Flowian Westphal.

35) Fix several tricky cases of PMTU handling wrt. briding, from Stefano
    Brivio.

* git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next: (2056 commits)
  net: thunderx: initialize VF's mailbox mutex before first usage
  usb: hso: remove bogus check for EINPROGRESS
  usb: hso: no complaint about kmalloc failure
  hso: fix bailout in error case of probe
  ip_tunnel_core: Fix build for archs without _HAVE_ARCH_IPV6_CSUM
  selftests/net: relax cpu affinity requirement in msg_zerocopy test
  mptcp: be careful on subflow creation
  selftests: rtnetlink: make kci_test_encap() return sub-test result
  selftests: rtnetlink: correct the final return value for the test
  net: dsa: sja1105: use detected device id instead of DT one on mismatch
  tipc: set ub->ifindex for local ipv6 address
  ipv6: add ipv6_dev_find()
  net: openvswitch: silence suspicious RCU usage warning
  Revert "vxlan: fix tos value before xmit"
  ptp: only allow phase values lower than 1 period
  farsync: switch from 'pci_' to 'dma_' API
  wan: wanxl: switch from 'pci_' to 'dma_' API
  hv_netvsc: do not use VF device if link is down
  dpaa2-eth: Fix passing zero to 'PTR_ERR' warning
  net: macb: Properly handle phylink on at91sam9x
  ...

1 files changed, 115 insertions, 137 deletions

diff --git a/net/bridge/netfilter/ebtables.c b/net/bridge/netfilter/ebtables.c
index b13b49b9f75c37..1641f414d1ba67 100644
--- a/net/bridge/netfilter/ebtables.c
+++ b/net/bridge/netfilter/ebtables.c
@@ -1063,14 +1063,13 @@ free_counterstmp:
 }
 
 /* replace the table */
-static int do_replace(struct net *net, const void __user *user,
-		      unsigned int len)
+static int do_replace(struct net *net, sockptr_t arg, unsigned int len)
 {
 	int ret, countersize;
 	struct ebt_table_info *newinfo;
 	struct ebt_replace tmp;
 
-	if (copy_from_user(&tmp, user, sizeof(tmp)) != 0)
+	if (copy_from_sockptr(&tmp, arg, sizeof(tmp)) != 0)
 		return -EFAULT;
 
 	if (len != sizeof(tmp) + tmp.entries_size)
@@ -1242,9 +1241,8 @@ void ebt_unregister_table(struct net *net, struct ebt_table *table,
 
 /* userspace just supplied us with counters */
 static int do_update_counters(struct net *net, const char *name,
-				struct ebt_counter __user *counters,
-				unsigned int num_counters,
-				const void __user *user, unsigned int len)
+			      struct ebt_counter __user *counters,
+			      unsigned int num_counters, unsigned int len)
 {
 	int i, ret;
 	struct ebt_counter *tmp;
@@ -1287,19 +1285,18 @@ free_tmp:
 	return ret;
 }
 
-static int update_counters(struct net *net, const void __user *user,
-			    unsigned int len)
+static int update_counters(struct net *net, sockptr_t arg, unsigned int len)
 {
 	struct ebt_replace hlp;
 
-	if (copy_from_user(&hlp, user, sizeof(hlp)))
+	if (copy_from_sockptr(&hlp, arg, sizeof(hlp)))
 		return -EFAULT;
 
 	if (len != sizeof(hlp) + hlp.num_counters * sizeof(struct ebt_counter))
 		return -EINVAL;
 
 	return do_update_counters(net, hlp.name, hlp.counters,
-				hlp.num_counters, user, len);
+				  hlp.num_counters, len);
 }
 
 static inline int ebt_obj_to_user(char __user *um, const char *_name,
@@ -1451,86 +1448,6 @@ static int copy_everything_to_user(struct ebt_table *t, void __user *user,
 	   ebt_entry_to_user, entries, tmp.entries);
 }
 
-static int do_ebt_set_ctl(struct sock *sk,
-	int cmd, void __user *user, unsigned int len)
-{
-	int ret;
-	struct net *net = sock_net(sk);
-
-	if (!ns_capable(net->user_ns, CAP_NET_ADMIN))
-		return -EPERM;
-
-	switch (cmd) {
-	case EBT_SO_SET_ENTRIES:
-		ret = do_replace(net, user, len);
-		break;
-	case EBT_SO_SET_COUNTERS:
-		ret = update_counters(net, user, len);
-		break;
-	default:
-		ret = -EINVAL;
-	}
-	return ret;
-}
-
-static int do_ebt_get_ctl(struct sock *sk, int cmd, void __user *user, int *len)
-{
-	int ret;
-	struct ebt_replace tmp;
-	struct ebt_table *t;
-	struct net *net = sock_net(sk);
-
-	if (!ns_capable(net->user_ns, CAP_NET_ADMIN))
-		return -EPERM;
-
-	if (copy_from_user(&tmp, user, sizeof(tmp)))
-		return -EFAULT;
-
-	tmp.name[sizeof(tmp.name) - 1] = '\0';
-
-	t = find_table_lock(net, tmp.name, &ret, &ebt_mutex);
-	if (!t)
-		return ret;
-
-	switch (cmd) {
-	case EBT_SO_GET_INFO:
-	case EBT_SO_GET_INIT_INFO:
-		if (*len != sizeof(struct ebt_replace)) {
-			ret = -EINVAL;
-			mutex_unlock(&ebt_mutex);
-			break;
-		}
-		if (cmd == EBT_SO_GET_INFO) {
-			tmp.nentries = t->private->nentries;
-			tmp.entries_size = t->private->entries_size;
-			tmp.valid_hooks = t->valid_hooks;
-		} else {
-			tmp.nentries = t->table->nentries;
-			tmp.entries_size = t->table->entries_size;
-			tmp.valid_hooks = t->table->valid_hooks;
-		}
-		mutex_unlock(&ebt_mutex);
-		if (copy_to_user(user, &tmp, *len) != 0) {
-			ret = -EFAULT;
-			break;
-		}
-		ret = 0;
-		break;
-
-	case EBT_SO_GET_ENTRIES:
-	case EBT_SO_GET_INIT_ENTRIES:
-		ret = copy_everything_to_user(t, user, len, cmd);
-		mutex_unlock(&ebt_mutex);
-		break;
-
-	default:
-		mutex_unlock(&ebt_mutex);
-		ret = -EINVAL;
-	}
-
-	return ret;
-}
-
 #ifdef CONFIG_COMPAT
 /* 32 bit-userspace compatibility definitions. */
 struct compat_ebt_replace {
@@ -1935,7 +1852,7 @@ static int compat_mtw_from_user(const struct compat_ebt_entry_mwt *mwt,
 			size_kern = match_size;
 		module_put(match->me);
 		break;
-	case EBT_COMPAT_WATCHER: /* fallthrough */
+	case EBT_COMPAT_WATCHER:
 	case EBT_COMPAT_TARGET:
 		wt = xt_request_find_target(NFPROTO_BRIDGE, name,
 					    mwt->u.revision);
@@ -2160,7 +2077,7 @@ static int compat_copy_entries(unsigned char *data, unsigned int size_user,
 
 
 static int compat_copy_ebt_replace_from_user(struct ebt_replace *repl,
-					    void __user *user, unsigned int len)
+					     sockptr_t arg, unsigned int len)
 {
 	struct compat_ebt_replace tmp;
 	int i;
@@ -2168,7 +2085,7 @@ static int compat_copy_ebt_replace_from_user(struct ebt_replace *repl,
 	if (len < sizeof(tmp))
 		return -EINVAL;
 
-	if (copy_from_user(&tmp, user, sizeof(tmp)))
+	if (copy_from_sockptr(&tmp, arg, sizeof(tmp)))
 		return -EFAULT;
 
 	if (len != sizeof(tmp) + tmp.entries_size)
@@ -2195,8 +2112,7 @@ static int compat_copy_ebt_replace_from_user(struct ebt_replace *repl,
 	return 0;
 }
 
-static int compat_do_replace(struct net *net, void __user *user,
-			     unsigned int len)
+static int compat_do_replace(struct net *net, sockptr_t arg, unsigned int len)
 {
 	int ret, i, countersize, size64;
 	struct ebt_table_info *newinfo;
@@ -2204,10 +2120,10 @@ static int compat_do_replace(struct net *net, void __user *user,
 	struct ebt_entries_buf_state state;
 	void *entries_tmp;
 
-	ret = compat_copy_ebt_replace_from_user(&tmp, user, len);
+	ret = compat_copy_ebt_replace_from_user(&tmp, arg, len);
 	if (ret) {
 		/* try real handler in case userland supplied needed padding */
-		if (ret == -EINVAL && do_replace(net, user, len) == 0)
+		if (ret == -EINVAL && do_replace(net, arg, len) == 0)
 			ret = 0;
 		return ret;
 	}
@@ -2298,42 +2214,20 @@ out_unlock:
 	goto free_entries;
 }
 
-static int compat_update_counters(struct net *net, void __user *user,
+static int compat_update_counters(struct net *net, sockptr_t arg,
 				  unsigned int len)
 {
 	struct compat_ebt_replace hlp;
 
-	if (copy_from_user(&hlp, user, sizeof(hlp)))
+	if (copy_from_sockptr(&hlp, arg, sizeof(hlp)))
 		return -EFAULT;
 
 	/* try real handler in case userland supplied needed padding */
 	if (len != sizeof(hlp) + hlp.num_counters * sizeof(struct ebt_counter))
-		return update_counters(net, user, len);
+		return update_counters(net, arg, len);
 
 	return do_update_counters(net, hlp.name, compat_ptr(hlp.counters),
-					hlp.num_counters, user, len);
-}
-
-static int compat_do_ebt_set_ctl(struct sock *sk,
-		int cmd, void __user *user, unsigned int len)
-{
-	int ret;
-	struct net *net = sock_net(sk);
-
-	if (!ns_capable(net->user_ns, CAP_NET_ADMIN))
-		return -EPERM;
-
-	switch (cmd) {
-	case EBT_SO_SET_ENTRIES:
-		ret = compat_do_replace(net, user, len);
-		break;
-	case EBT_SO_SET_COUNTERS:
-		ret = compat_update_counters(net, user, len);
-		break;
-	default:
-		ret = -EINVAL;
-	}
-	return ret;
+				  hlp.num_counters, len);
 }
 
 static int compat_do_ebt_get_ctl(struct sock *sk, int cmd,
@@ -2344,14 +2238,6 @@ static int compat_do_ebt_get_ctl(struct sock *sk, int cmd,
 	struct ebt_table *t;
 	struct net *net = sock_net(sk);
 
-	if (!ns_capable(net->user_ns, CAP_NET_ADMIN))
-		return -EPERM;
-
-	/* try real handler in case userland supplied needed padding */
-	if ((cmd == EBT_SO_GET_INFO ||
-	     cmd == EBT_SO_GET_INIT_INFO) && *len != sizeof(tmp))
-			return do_ebt_get_ctl(sk, cmd, user, len);
-
 	if (copy_from_user(&tmp, user, sizeof(tmp)))
 		return -EFAULT;
 
@@ -2413,20 +2299,112 @@ static int compat_do_ebt_get_ctl(struct sock *sk, int cmd,
 }
 #endif
 
+static int do_ebt_get_ctl(struct sock *sk, int cmd, void __user *user, int *len)
+{
+	struct net *net = sock_net(sk);
+	struct ebt_replace tmp;
+	struct ebt_table *t;
+	int ret;
+
+	if (!ns_capable(net->user_ns, CAP_NET_ADMIN))
+		return -EPERM;
+
+#ifdef CONFIG_COMPAT
+	/* try real handler in case userland supplied needed padding */
+	if (in_compat_syscall() &&
+	    ((cmd != EBT_SO_GET_INFO && cmd != EBT_SO_GET_INIT_INFO) ||
+	     *len != sizeof(tmp)))
+		return compat_do_ebt_get_ctl(sk, cmd, user, len);
+#endif
+
+	if (copy_from_user(&tmp, user, sizeof(tmp)))
+		return -EFAULT;
+
+	tmp.name[sizeof(tmp.name) - 1] = '\0';
+
+	t = find_table_lock(net, tmp.name, &ret, &ebt_mutex);
+	if (!t)
+		return ret;
+
+	switch (cmd) {
+	case EBT_SO_GET_INFO:
+	case EBT_SO_GET_INIT_INFO:
+		if (*len != sizeof(struct ebt_replace)) {
+			ret = -EINVAL;
+			mutex_unlock(&ebt_mutex);
+			break;
+		}
+		if (cmd == EBT_SO_GET_INFO) {
+			tmp.nentries = t->private->nentries;
+			tmp.entries_size = t->private->entries_size;
+			tmp.valid_hooks = t->valid_hooks;
+		} else {
+			tmp.nentries = t->table->nentries;
+			tmp.entries_size = t->table->entries_size;
+			tmp.valid_hooks = t->table->valid_hooks;
+		}
+		mutex_unlock(&ebt_mutex);
+		if (copy_to_user(user, &tmp, *len) != 0) {
+			ret = -EFAULT;
+			break;
+		}
+		ret = 0;
+		break;
+
+	case EBT_SO_GET_ENTRIES:
+	case EBT_SO_GET_INIT_ENTRIES:
+		ret = copy_everything_to_user(t, user, len, cmd);
+		mutex_unlock(&ebt_mutex);
+		break;
+
+	default:
+		mutex_unlock(&ebt_mutex);
+		ret = -EINVAL;
+	}
+
+	return ret;
+}
+
+static int do_ebt_set_ctl(struct sock *sk, int cmd, sockptr_t arg,
+		unsigned int len)
+{
+	struct net *net = sock_net(sk);
+	int ret;
+
+	if (!ns_capable(net->user_ns, CAP_NET_ADMIN))
+		return -EPERM;
+
+	switch (cmd) {
+	case EBT_SO_SET_ENTRIES:
+#ifdef CONFIG_COMPAT
+		if (in_compat_syscall())
+			ret = compat_do_replace(net, arg, len);
+		else
+#endif
+			ret = do_replace(net, arg, len);
+		break;
+	case EBT_SO_SET_COUNTERS:
+#ifdef CONFIG_COMPAT
+		if (in_compat_syscall())
+			ret = compat_update_counters(net, arg, len);
+		else
+#endif
+			ret = update_counters(net, arg, len);
+		break;
+	default:
+		ret = -EINVAL;
+	}
+	return ret;
+}
+
 static struct nf_sockopt_ops ebt_sockopts = {
 	.pf		= PF_INET,
 	.set_optmin	= EBT_BASE_CTL,
 	.set_optmax	= EBT_SO_SET_MAX + 1,
 	.set		= do_ebt_set_ctl,
-#ifdef CONFIG_COMPAT
-	.compat_set	= compat_do_ebt_set_ctl,
-#endif
 	.get_optmin	= EBT_BASE_CTL,
 	.get_optmax	= EBT_SO_GET_MAX + 1,
 	.get		= do_ebt_get_ctl,
-#ifdef CONFIG_COMPAT
-	.compat_get	= compat_do_ebt_get_ctl,
-#endif
 	.owner		= THIS_MODULE,
 };