summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--Documentation/networking/ip-sysctl.rst10
-rw-r--r--Makefile3
-rw-r--r--drivers/net/ethernet/realtek/r8169_main.c4
-rw-r--r--drivers/net/ethernet/rocker/rocker_ofdpa.c2
-rw-r--r--include/linux/ipv6.h1
-rw-r--r--include/net/ip6_route.h3
-rw-r--r--include/uapi/linux/if_link.h2
-rw-r--r--include/uapi/linux/ipv6.h1
-rw-r--r--include/uapi/linux/sysctl.h1
-rw-r--r--net/9p/Kconfig1
-rw-r--r--net/Makefile23
-rw-r--r--net/batman-adv/Kconfig1
-rw-r--r--net/bluetooth/Kconfig2
-rw-r--r--net/bpfilter/Kconfig2
-rw-r--r--net/bridge/br_multicast.c1
-rw-r--r--net/bridge/br_multicast_eht.c22
-rw-r--r--net/bridge/br_netlink.c19
-rw-r--r--net/bridge/br_private.h2
-rw-r--r--net/bridge/br_private_mcast_eht.h28
-rw-r--r--net/bridge/br_sysfs_if.c26
-rw-r--r--net/can/Kconfig1
-rw-r--r--net/core/pktgen.c2
-rw-r--r--net/core/rtnetlink.c2
-rw-r--r--net/core/sysctl_net_core.c2
-rw-r--r--net/dcb/Makefile2
-rw-r--r--net/dns_resolver/Kconfig2
-rw-r--r--net/ife/Kconfig1
-rw-r--r--net/ipv6/addrconf.c11
-rw-r--r--net/ipv6/ndisc.c12
-rw-r--r--net/ipv6/route.c5
-rw-r--r--net/l3mdev/Makefile2
-rw-r--r--net/llc/Kconfig1
-rw-r--r--net/mptcp/pm_netlink.c39
-rw-r--r--net/mptcp/subflow.c24
-rw-r--r--net/netfilter/Kconfig2
-rw-r--r--net/netfilter/ipvs/Kconfig2
-rw-r--r--net/nfc/Kconfig1
-rw-r--r--net/psample/Kconfig1
-rw-r--r--net/switchdev/Makefile2
-rw-r--r--net/tipc/msg.c4
-rwxr-xr-xtools/testing/selftests/net/mptcp/mptcp_join.sh75
-rw-r--r--tools/testing/selftests/net/mptcp/settings2
42 files changed, 277 insertions, 72 deletions
diff --git a/Documentation/networking/ip-sysctl.rst b/Documentation/networking/ip-sysctl.rst
index dd2b12a32b73..0e51ddd9a2f1 100644
--- a/Documentation/networking/ip-sysctl.rst
+++ b/Documentation/networking/ip-sysctl.rst
@@ -1871,6 +1871,16 @@ accept_ra_defrtr - BOOLEAN
- enabled if accept_ra is enabled.
- disabled if accept_ra is disabled.
+ra_defrtr_metric - UNSIGNED INTEGER
+ Route metric for default route learned in Router Advertisement. This value
+ will be assigned as metric for the default route learned via IPv6 Router
+ Advertisement. Takes affect only if accept_ra_defrtr is enabled.
+
+ Possible values:
+ 1 to 0xFFFFFFFF
+
+ Default: IP6_RT_PRIO_USER i.e. 1024.
+
accept_ra_from_local - BOOLEAN
Accept RA with source-address that is found on local machine
if the RA is otherwise proper and able to be accepted.
diff --git a/Makefile b/Makefile
index b0e4767735dc..61357f7eb55f 100644
--- a/Makefile
+++ b/Makefile
@@ -649,7 +649,8 @@ ifeq ($(KBUILD_EXTMOD),)
core-y := init/ usr/
drivers-y := drivers/ sound/
drivers-$(CONFIG_SAMPLES) += samples/
-drivers-y += net/ virt/
+drivers-$(CONFIG_NET) += net/
+drivers-y += virt/
libs-y := lib/
endif # KBUILD_EXTMOD
diff --git a/drivers/net/ethernet/realtek/r8169_main.c b/drivers/net/ethernet/realtek/r8169_main.c
index fb67d8f797ec..475e6f01ea10 100644
--- a/drivers/net/ethernet/realtek/r8169_main.c
+++ b/drivers/net/ethernet/realtek/r8169_main.c
@@ -4850,10 +4850,8 @@ static void rtl_shutdown(struct pci_dev *pdev)
rtl_rar_set(tp, tp->dev->perm_addr);
if (system_state == SYSTEM_POWER_OFF) {
- if (tp->saved_wolopts) {
- rtl_wol_enable_rx(tp);
+ if (tp->saved_wolopts)
rtl_wol_shutdown_quirk(tp);
- }
pci_wake_from_d3(pdev, tp->saved_wolopts);
pci_set_power_state(pdev, PCI_D3hot);
diff --git a/drivers/net/ethernet/rocker/rocker_ofdpa.c b/drivers/net/ethernet/rocker/rocker_ofdpa.c
index d067da1ef070..967a634ee9ac 100644
--- a/drivers/net/ethernet/rocker/rocker_ofdpa.c
+++ b/drivers/net/ethernet/rocker/rocker_ofdpa.c
@@ -923,7 +923,7 @@ static int ofdpa_flow_tbl_bridge(struct ofdpa_port *ofdpa_port,
struct ofdpa_flow_tbl_entry *entry;
u32 priority;
bool vlan_bridging = !!vlan_id;
- bool dflt = !eth_dst || (eth_dst && eth_dst_mask);
+ bool dflt = !eth_dst || eth_dst_mask;
bool wild = false;
entry = kzalloc(sizeof(*entry), GFP_ATOMIC);
diff --git a/include/linux/ipv6.h b/include/linux/ipv6.h
index dda61d150a13..9d1f29f0c512 100644
--- a/include/linux/ipv6.h
+++ b/include/linux/ipv6.h
@@ -31,6 +31,7 @@ struct ipv6_devconf {
__s32 max_desync_factor;
__s32 max_addresses;
__s32 accept_ra_defrtr;
+ __u32 ra_defrtr_metric;
__s32 accept_ra_min_hop_limit;
__s32 accept_ra_pinfo;
__s32 ignore_routes_with_linkdown;
diff --git a/include/net/ip6_route.h b/include/net/ip6_route.h
index 2a5277758379..f51a118bfce8 100644
--- a/include/net/ip6_route.h
+++ b/include/net/ip6_route.h
@@ -174,7 +174,8 @@ struct fib6_info *rt6_get_dflt_router(struct net *net,
struct net_device *dev);
struct fib6_info *rt6_add_dflt_router(struct net *net,
const struct in6_addr *gwaddr,
- struct net_device *dev, unsigned int pref);
+ struct net_device *dev, unsigned int pref,
+ u32 defrtr_usr_metric);
void rt6_purge_dflt_routers(struct net *net);
diff --git a/include/uapi/linux/if_link.h b/include/uapi/linux/if_link.h
index 2bd0d8bbcdb2..eb8018c3a737 100644
--- a/include/uapi/linux/if_link.h
+++ b/include/uapi/linux/if_link.h
@@ -525,6 +525,8 @@ enum {
IFLA_BRPORT_BACKUP_PORT,
IFLA_BRPORT_MRP_RING_OPEN,
IFLA_BRPORT_MRP_IN_OPEN,
+ IFLA_BRPORT_MCAST_EHT_HOSTS_LIMIT,
+ IFLA_BRPORT_MCAST_EHT_HOSTS_CNT,
__IFLA_BRPORT_MAX
};
#define IFLA_BRPORT_MAX (__IFLA_BRPORT_MAX - 1)
diff --git a/include/uapi/linux/ipv6.h b/include/uapi/linux/ipv6.h
index 13e8751bf24a..70603775fe91 100644
--- a/include/uapi/linux/ipv6.h
+++ b/include/uapi/linux/ipv6.h
@@ -189,6 +189,7 @@ enum {
DEVCONF_ACCEPT_RA_RT_INFO_MIN_PLEN,
DEVCONF_NDISC_TCLASS,
DEVCONF_RPL_SEG_ENABLED,
+ DEVCONF_RA_DEFRTR_METRIC,
DEVCONF_MAX
};
diff --git a/include/uapi/linux/sysctl.h b/include/uapi/linux/sysctl.h
index 458179df9b27..1e05d3caa712 100644
--- a/include/uapi/linux/sysctl.h
+++ b/include/uapi/linux/sysctl.h
@@ -571,6 +571,7 @@ enum {
NET_IPV6_ACCEPT_SOURCE_ROUTE=25,
NET_IPV6_ACCEPT_RA_FROM_LOCAL=26,
NET_IPV6_ACCEPT_RA_RT_INFO_MIN_PLEN=27,
+ NET_IPV6_RA_DEFRTR_METRIC=28,
__NET_IPV6_MAX
};
diff --git a/net/9p/Kconfig b/net/9p/Kconfig
index 3d11fec3a8dc..64468c49791f 100644
--- a/net/9p/Kconfig
+++ b/net/9p/Kconfig
@@ -4,7 +4,6 @@
#
menuconfig NET_9P
- depends on NET
tristate "Plan 9 Resource Sharing Support (9P2000)"
help
If you say Y here, you will get experimental support for
diff --git a/net/Makefile b/net/Makefile
index d96b0aa8f39f..9ca9572188fe 100644
--- a/net/Makefile
+++ b/net/Makefile
@@ -6,20 +6,19 @@
# Rewritten to use lists instead of if-statements.
#
-obj-$(CONFIG_NET) := devres.o socket.o core/
+obj-y := devres.o socket.o core/
-tmp-$(CONFIG_COMPAT) := compat.o
-obj-$(CONFIG_NET) += $(tmp-y)
+obj-$(CONFIG_COMPAT) += compat.o
# LLC has to be linked before the files in net/802/
obj-$(CONFIG_LLC) += llc/
-obj-$(CONFIG_NET) += ethernet/ 802/ sched/ netlink/ bpf/ ethtool/
+obj-y += ethernet/ 802/ sched/ netlink/ bpf/ ethtool/
obj-$(CONFIG_NETFILTER) += netfilter/
obj-$(CONFIG_INET) += ipv4/
obj-$(CONFIG_TLS) += tls/
obj-$(CONFIG_XFRM) += xfrm/
obj-$(CONFIG_UNIX_SCM) += unix/
-obj-$(CONFIG_NET) += ipv6/
+obj-y += ipv6/
obj-$(CONFIG_BPFILTER) += bpfilter/
obj-$(CONFIG_PACKET) += packet/
obj-$(CONFIG_NET_KEY) += key/
@@ -56,16 +55,12 @@ obj-$(CONFIG_SMC) += smc/
obj-$(CONFIG_RFKILL) += rfkill/
obj-$(CONFIG_NET_9P) += 9p/
obj-$(CONFIG_CAIF) += caif/
-ifneq ($(CONFIG_DCB),)
-obj-y += dcb/
-endif
+obj-$(CONFIG_DCB) += dcb/
obj-$(CONFIG_6LOWPAN) += 6lowpan/
obj-$(CONFIG_IEEE802154) += ieee802154/
obj-$(CONFIG_MAC802154) += mac802154/
-ifeq ($(CONFIG_NET),y)
obj-$(CONFIG_SYSCTL) += sysctl_net.o
-endif
obj-$(CONFIG_DNS_RESOLVER) += dns_resolver/
obj-$(CONFIG_CEPH_LIB) += ceph/
obj-$(CONFIG_BATMAN_ADV) += batman-adv/
@@ -77,12 +72,8 @@ obj-$(CONFIG_VSOCKETS) += vmw_vsock/
obj-$(CONFIG_MPLS) += mpls/
obj-$(CONFIG_NET_NSH) += nsh/
obj-$(CONFIG_HSR) += hsr/
-ifneq ($(CONFIG_NET_SWITCHDEV),)
-obj-y += switchdev/
-endif
-ifneq ($(CONFIG_NET_L3_MASTER_DEV),)
-obj-y += l3mdev/
-endif
+obj-$(CONFIG_NET_SWITCHDEV) += switchdev/
+obj-$(CONFIG_NET_L3_MASTER_DEV) += l3mdev/
obj-$(CONFIG_QRTR) += qrtr/
obj-$(CONFIG_NET_NCSI) += ncsi/
obj-$(CONFIG_XDP_SOCKETS) += xdp/
diff --git a/net/batman-adv/Kconfig b/net/batman-adv/Kconfig
index 993afd5ff7bb..43ae3dcbbbeb 100644
--- a/net/batman-adv/Kconfig
+++ b/net/batman-adv/Kconfig
@@ -9,7 +9,6 @@
config BATMAN_ADV
tristate "B.A.T.M.A.N. Advanced Meshing Protocol"
- depends on NET
select LIBCRC32C
help
B.A.T.M.A.N. (better approach to mobile ad-hoc networking) is
diff --git a/net/bluetooth/Kconfig b/net/bluetooth/Kconfig
index 64e669acd42f..400c5130dc0a 100644
--- a/net/bluetooth/Kconfig
+++ b/net/bluetooth/Kconfig
@@ -5,7 +5,7 @@
menuconfig BT
tristate "Bluetooth subsystem support"
- depends on NET && !S390
+ depends on !S390
depends on RFKILL || !RFKILL
select CRC16
select CRYPTO
diff --git a/net/bpfilter/Kconfig b/net/bpfilter/Kconfig
index 8ad0233ce497..3d4a21462458 100644
--- a/net/bpfilter/Kconfig
+++ b/net/bpfilter/Kconfig
@@ -1,7 +1,7 @@
# SPDX-License-Identifier: GPL-2.0-only
menuconfig BPFILTER
bool "BPF based packet filtering framework (BPFILTER)"
- depends on NET && BPF && INET
+ depends on BPF && INET
select USERMODE_DRIVER
help
This builds experimental bpfilter framework that is aiming to
diff --git a/net/bridge/br_multicast.c b/net/bridge/br_multicast.c
index 3aa2833f60c7..6f672eb7ff33 100644
--- a/net/bridge/br_multicast.c
+++ b/net/bridge/br_multicast.c
@@ -1608,6 +1608,7 @@ static void br_mc_disabled_update(struct net_device *dev, bool value)
int br_multicast_add_port(struct net_bridge_port *port)
{
port->multicast_router = MDB_RTR_TYPE_TEMP_QUERY;
+ port->multicast_eht_hosts_limit = BR_MCAST_DEFAULT_EHT_HOSTS_LIMIT;
timer_setup(&port->multicast_router_timer,
br_multicast_router_expired, 0);
diff --git a/net/bridge/br_multicast_eht.c b/net/bridge/br_multicast_eht.c
index ff9b3ba37cab..fea38b9a7268 100644
--- a/net/bridge/br_multicast_eht.c
+++ b/net/bridge/br_multicast_eht.c
@@ -127,6 +127,8 @@ static void __eht_destroy_host(struct net_bridge_group_eht_host *eht_host)
{
WARN_ON(!hlist_empty(&eht_host->set_entries));
+ br_multicast_eht_hosts_dec(eht_host->pg);
+
rb_erase(&eht_host->rb_node, &eht_host->pg->eht_host_tree);
RB_CLEAR_NODE(&eht_host->rb_node);
kfree(eht_host);
@@ -257,6 +259,9 @@ __eht_lookup_create_host(struct net_bridge_port_group *pg,
return this;
}
+ if (br_multicast_eht_hosts_over_limit(pg))
+ return NULL;
+
eht_host = kzalloc(sizeof(*eht_host), GFP_ATOMIC);
if (!eht_host)
return NULL;
@@ -269,6 +274,8 @@ __eht_lookup_create_host(struct net_bridge_port_group *pg,
rb_link_node(&eht_host->rb_node, parent, link);
rb_insert_color(&eht_host->rb_node, &pg->eht_host_tree);
+ br_multicast_eht_hosts_inc(pg);
+
return eht_host;
}
@@ -854,3 +861,18 @@ bool br_multicast_eht_handle(struct net_bridge_port_group *pg,
out:
return changed;
}
+
+int br_multicast_eht_set_hosts_limit(struct net_bridge_port *p,
+ u32 eht_hosts_limit)
+{
+ struct net_bridge *br = p->br;
+
+ if (!eht_hosts_limit)
+ return -EINVAL;
+
+ spin_lock_bh(&br->multicast_lock);
+ p->multicast_eht_hosts_limit = eht_hosts_limit;
+ spin_unlock_bh(&br->multicast_lock);
+
+ return 0;
+}
diff --git a/net/bridge/br_netlink.c b/net/bridge/br_netlink.c
index 762f273802cd..bd3962da345a 100644
--- a/net/bridge/br_netlink.c
+++ b/net/bridge/br_netlink.c
@@ -18,6 +18,7 @@
#include "br_private_stp.h"
#include "br_private_cfm.h"
#include "br_private_tunnel.h"
+#include "br_private_mcast_eht.h"
static int __get_num_vlan_infos(struct net_bridge_vlan_group *vg,
u32 filter_mask)
@@ -199,6 +200,8 @@ static inline size_t br_port_info_size(void)
+ nla_total_size(sizeof(u16)) /* IFLA_BRPORT_GROUP_FWD_MASK */
+ nla_total_size(sizeof(u8)) /* IFLA_BRPORT_MRP_RING_OPEN */
+ nla_total_size(sizeof(u8)) /* IFLA_BRPORT_MRP_IN_OPEN */
+ + nla_total_size(sizeof(u32)) /* IFLA_BRPORT_MCAST_EHT_HOSTS_LIMIT */
+ + nla_total_size(sizeof(u32)) /* IFLA_BRPORT_MCAST_EHT_HOSTS_CNT */
+ 0;
}
@@ -283,7 +286,11 @@ static int br_port_fill_attrs(struct sk_buff *skb,
#ifdef CONFIG_BRIDGE_IGMP_SNOOPING
if (nla_put_u8(skb, IFLA_BRPORT_MULTICAST_ROUTER,
- p->multicast_router))
+ p->multicast_router) ||
+ nla_put_u32(skb, IFLA_BRPORT_MCAST_EHT_HOSTS_LIMIT,
+ p->multicast_eht_hosts_limit) ||
+ nla_put_u32(skb, IFLA_BRPORT_MCAST_EHT_HOSTS_CNT,
+ p->multicast_eht_hosts_cnt))
return -EMSGSIZE;
#endif
@@ -820,6 +827,7 @@ static const struct nla_policy br_port_policy[IFLA_BRPORT_MAX + 1] = {
[IFLA_BRPORT_NEIGH_SUPPRESS] = { .type = NLA_U8 },
[IFLA_BRPORT_ISOLATED] = { .type = NLA_U8 },
[IFLA_BRPORT_BACKUP_PORT] = { .type = NLA_U32 },
+ [IFLA_BRPORT_MCAST_EHT_HOSTS_LIMIT] = { .type = NLA_U32 },
};
/* Change the state of the port and notify spanning tree */
@@ -955,6 +963,15 @@ static int br_setport(struct net_bridge_port *p, struct nlattr *tb[])
if (err)
return err;
}
+
+ if (tb[IFLA_BRPORT_MCAST_EHT_HOSTS_LIMIT]) {
+ u32 hlimit;
+
+ hlimit = nla_get_u32(tb[IFLA_BRPORT_MCAST_EHT_HOSTS_LIMIT]);
+ err = br_multicast_eht_set_hosts_limit(p, hlimit);
+ if (err)
+ return err;
+ }
#endif
if (tb[IFLA_BRPORT_GROUP_FWD_MASK]) {
diff --git a/net/bridge/br_private.h b/net/bridge/br_private.h
index 0e26ba623006..d242ba668e47 100644
--- a/net/bridge/br_private.h
+++ b/net/bridge/br_private.h
@@ -310,6 +310,8 @@ struct net_bridge_port {
#if IS_ENABLED(CONFIG_IPV6)
struct bridge_mcast_own_query ip6_own_query;
#endif /* IS_ENABLED(CONFIG_IPV6) */
+ u32 multicast_eht_hosts_limit;
+ u32 multicast_eht_hosts_cnt;
unsigned char multicast_router;
struct bridge_mcast_stats __percpu *mcast_stats;
struct timer_list multicast_router_timer;
diff --git a/net/bridge/br_private_mcast_eht.h b/net/bridge/br_private_mcast_eht.h
index 9daffa3ad8d5..f89049f4892c 100644
--- a/net/bridge/br_private_mcast_eht.h
+++ b/net/bridge/br_private_mcast_eht.h
@@ -4,6 +4,8 @@
#ifndef _BR_PRIVATE_MCAST_EHT_H_
#define _BR_PRIVATE_MCAST_EHT_H_
+#define BR_MCAST_DEFAULT_EHT_HOSTS_LIMIT 512
+
union net_bridge_eht_addr {
__be32 ip4;
#if IS_ENABLED(CONFIG_IPV6)
@@ -47,6 +49,7 @@ struct net_bridge_group_eht_set {
struct net_bridge_mcast_gc mcast_gc;
};
+#ifdef CONFIG_BRIDGE_IGMP_SNOOPING
void br_multicast_eht_clean_sets(struct net_bridge_port_group *pg);
bool br_multicast_eht_handle(struct net_bridge_port_group *pg,
void *h_addr,
@@ -54,6 +57,8 @@ bool br_multicast_eht_handle(struct net_bridge_port_group *pg,
u32 nsrcs,
size_t addr_size,
int grec_type);
+int br_multicast_eht_set_hosts_limit(struct net_bridge_port *p,
+ u32 eht_hosts_limit);
static inline bool
br_multicast_eht_should_del_pg(const struct net_bridge_port_group *pg)
@@ -62,4 +67,27 @@ br_multicast_eht_should_del_pg(const struct net_bridge_port_group *pg)
RB_EMPTY_ROOT(&pg->eht_host_tree));
}
+static inline bool
+br_multicast_eht_hosts_over_limit(const struct net_bridge_port_group *pg)
+{
+ const struct net_bridge_port *p = pg->key.port;
+
+ return !!(p->multicast_eht_hosts_cnt >= p->multicast_eht_hosts_limit);
+}
+
+static inline void br_multicast_eht_hosts_inc(struct net_bridge_port_group *pg)
+{
+ struct net_bridge_port *p = pg->key.port;
+
+ p->multicast_eht_hosts_cnt++;
+}
+
+static inline void br_multicast_eht_hosts_dec(struct net_bridge_port_group *pg)
+{
+ struct net_bridge_port *p = pg->key.port;
+
+ p->multicast_eht_hosts_cnt--;
+}
+#endif /* CONFIG_BRIDGE_IGMP_SNOOPING */
+
#endif /* _BR_PRIVATE_MCAST_EHT_H_ */
diff --git a/net/bridge/br_sysfs_if.c b/net/bridge/br_sysfs_if.c
index 7a59cdddd3ce..b66305fae26b 100644
--- a/net/bridge/br_sysfs_if.c
+++ b/net/bridge/br_sysfs_if.c
@@ -16,6 +16,7 @@
#include <linux/sched/signal.h>
#include "br_private.h"
+#include "br_private_mcast_eht.h"
struct brport_attribute {
struct attribute attr;
@@ -245,6 +246,29 @@ static int store_multicast_router(struct net_bridge_port *p,
static BRPORT_ATTR(multicast_router, 0644, show_multicast_router,
store_multicast_router);
+static ssize_t show_multicast_eht_hosts_limit(struct net_bridge_port *p,
+ char *buf)
+{
+ return sprintf(buf, "%u\n", p->multicast_eht_hosts_limit);
+}
+
+static int store_multicast_eht_hosts_limit(struct net_bridge_port *p,
+ unsigned long v)
+{
+ return br_multicast_eht_set_hosts_limit(p, v);
+}
+static BRPORT_ATTR(multicast_eht_hosts_limit, 0644,
+ show_multicast_eht_hosts_limit,
+ store_multicast_eht_hosts_limit);
+
+static ssize_t show_multicast_eht_hosts_cnt(struct net_bridge_port *p,
+ char *buf)
+{
+ return sprintf(buf, "%u\n", p->multicast_eht_hosts_cnt);
+}
+static BRPORT_ATTR(multicast_eht_hosts_cnt, 0444, show_multicast_eht_hosts_cnt,
+ NULL);
+
BRPORT_ATTR_FLAG(multicast_fast_leave, BR_MULTICAST_FAST_LEAVE);
BRPORT_ATTR_FLAG(multicast_to_unicast, BR_MULTICAST_TO_UNICAST);
#endif
@@ -274,6 +298,8 @@ static const struct brport_attribute *brport_attrs[] = {
&brport_attr_multicast_router,
&brport_attr_multicast_fast_leave,
&brport_attr_multicast_to_unicast,
+ &brport_attr_multicast_eht_hosts_limit,
+ &brport_attr_multicast_eht_hosts_cnt,
#endif
&brport_attr_proxyarp,
&brport_attr_proxyarp_wifi,
diff --git a/net/can/Kconfig b/net/can/Kconfig
index 7c9958df91d3..a9ac5ffab286 100644
--- a/net/can/Kconfig
+++ b/net/can/Kconfig
@@ -4,7 +4,6 @@
#
menuconfig CAN
- depends on NET
tristate "CAN bus subsystem support"
help
Controller Area Network (CAN) is a slow (up to 1Mbit/s) serial
diff --git a/net/core/pktgen.c b/net/core/pktgen.c
index 105978604ffd..3fba429f1f57 100644
--- a/net/core/pktgen.c
+++ b/net/core/pktgen.c
@@ -3464,7 +3464,7 @@ static int pktgen_thread_worker(void *arg)
struct pktgen_dev *pkt_dev = NULL;
int cpu = t->cpu;
- BUG_ON(smp_processor_id() != cpu);
+ WARN_ON(smp_processor_id() != cpu);
init_waitqueue_head(&t->queue);
complete(&t->start_done);
diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c
index 3d6ab194d0f5..c313aaf2bce1 100644
--- a/net/core/rtnetlink.c
+++ b/net/core/rtnetlink.c
@@ -55,7 +55,7 @@
#include <net/net_namespace.h>
#define RTNL_MAX_TYPE 50
-#define RTNL_SLAVE_MAX_TYPE 36
+#define RTNL_SLAVE_MAX_TYPE 40
struct rtnl_link {
rtnl_doit_func doit;
diff --git a/net/core/sysctl_net_core.c b/net/core/sysctl_net_core.c
index d86d8d11cfe4..4567de519603 100644
--- a/net/core/sysctl_net_core.c
+++ b/net/core/sysctl_net_core.c
@@ -309,7 +309,6 @@ proc_dolongvec_minmax_bpf_restricted(struct ctl_table *table, int write,
#endif
static struct ctl_table net_core_table[] = {
-#ifdef CONFIG_NET
{
.procname = "wmem_max",
.data = &sysctl_wmem_max,
@@ -507,7 +506,6 @@ static struct ctl_table net_core_table[] = {
.proc_handler = set_default_qdisc
},
#endif
-#endif /* CONFIG_NET */
{
.procname = "netdev_budget",
.data = &netdev_budget,
diff --git a/net/dcb/Makefile b/net/dcb/Makefile
index 3016e5a7716a..2c0fa16ee2a9 100644
--- a/net/dcb/Makefile
+++ b/net/dcb/Makefile
@@ -1,2 +1,2 @@
# SPDX-License-Identifier: GPL-2.0-only
-obj-$(CONFIG_DCB) += dcbnl.o dcbevent.o
+obj-y += dcbnl.o dcbevent.o
diff --git a/net/dns_resolver/Kconfig b/net/dns_resolver/Kconfig
index 255df9b6e9e8..155b06163409 100644
--- a/net/dns_resolver/Kconfig
+++ b/net/dns_resolver/Kconfig
@@ -4,7 +4,7 @@
#
config DNS_RESOLVER
tristate "DNS Resolver support"
- depends on NET && KEYS
+ depends on KEYS
help
Saying Y here will include support for the DNS Resolver key type
which can be used to make upcalls to perform DNS lookups in
diff --git a/net/ife/Kconfig b/net/ife/Kconfig
index bcf650564db4..de36a5b91e50 100644
--- a/net/ife/Kconfig
+++ b/net/ife/Kconfig
@@ -4,7 +4,6 @@
#
menuconfig NET_IFE
- depends on NET
tristate "Inter-FE based on IETF ForCES InterFE LFB"
default n
help
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index 9edc5bb2d531..f2337fb756ac 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -205,6 +205,7 @@ static struct ipv6_devconf ipv6_devconf __read_mostly = {
.max_desync_factor = MAX_DESYNC_FACTOR,
.max_addresses = IPV6_MAX_ADDRESSES,
.accept_ra_defrtr = 1,
+ .ra_defrtr_metric = IP6_RT_PRIO_USER,
.accept_ra_from_local = 0,
.accept_ra_min_hop_limit= 1,
.accept_ra_pinfo = 1,
@@ -260,6 +261,7 @@ static struct ipv6_devconf ipv6_devconf_dflt __read_mostly = {
.max_desync_factor = MAX_DESYNC_FACTOR,
.max_addresses = IPV6_MAX_ADDRESSES,
.accept_ra_defrtr = 1,
+ .ra_defrtr_metric = IP6_RT_PRIO_USER,
.accept_ra_from_local = 0,
.accept_ra_min_hop_limit= 1,
.accept_ra_pinfo = 1,
@@ -5476,6 +5478,7 @@ static inline void ipv6_store_devconf(struct ipv6_devconf *cnf,
array[DEVCONF_MAX_DESYNC_FACTOR] = cnf->max_desync_factor;
array[DEVCONF_MAX_ADDRESSES] = cnf->max_addresses;
array[DEVCONF_ACCEPT_RA_DEFRTR] = cnf->accept_ra_defrtr;
+ array[DEVCONF_RA_DEFRTR_METRIC] = cnf->ra_defrtr_metric;
array[DEVCONF_ACCEPT_RA_MIN_HOP_LIMIT] = cnf->accept_ra_min_hop_limit;
array[DEVCONF_ACCEPT_RA_PINFO] = cnf->accept_ra_pinfo;
#ifdef CONFIG_IPV6_ROUTER_PREF
@@ -6669,6 +6672,14 @@ static const struct ctl_table addrconf_sysctl[] = {
.proc_handler = proc_dointvec,
},
{
+ .procname = "ra_defrtr_metric",
+ .data = &ipv6_devconf.ra_defrtr_metric,
+ .maxlen = sizeof(u32),
+ .mode = 0644,
+ .proc_handler = proc_douintvec_minmax,
+ .extra1 = (void *)SYSCTL_ONE,
+ },
+ {
.procname = "accept_ra_min_hop_limit",
.data = &ipv6_devconf.accept_ra_min_hop_limit,
.maxlen = sizeof(int),
diff --git a/net/ipv6/ndisc.c b/net/ipv6/ndisc.c
index 76717478f173..c467c6419893 100644
--- a/net/ipv6/ndisc.c
+++ b/net/ipv6/ndisc.c
@@ -1173,6 +1173,7 @@ static void ndisc_router_discovery(struct sk_buff *skb)
struct neighbour *neigh = NULL;
struct inet6_dev *in6_dev;
struct fib6_info *rt = NULL;
+ u32 defrtr_usr_metric;
struct net *net;
int lifetime;
struct ndisc_options ndopts;
@@ -1303,18 +1304,21 @@ static void ndisc_router_discovery(struct sk_buff *skb)
return;
}
}
- if (rt && lifetime == 0) {
+ /* Set default route metric as specified by user */
+ defrtr_usr_metric = in6_dev->cnf.ra_defrtr_metric;
+ /* delete the route if lifetime is 0 or if metric needs change */
+ if (rt && (lifetime == 0 || rt->fib6_metric != defrtr_usr_metric)) {
ip6_del_rt(net, rt, false);
rt = NULL;
}
- ND_PRINTK(3, info, "RA: rt: %p lifetime: %d, for dev: %s\n",
- rt, lifetime, skb->dev->name);
+ ND_PRINTK(3, info, "RA: rt: %p lifetime: %d, metric: %d, for dev: %s\n",
+ rt, lifetime, defrtr_usr_metric, skb->dev->name);
if (!rt && lifetime) {
ND_PRINTK(3, info, "RA: adding default router\n");
rt = rt6_add_dflt_router(net, &ipv6_hdr(skb)->saddr,
- skb->dev, pref);
+ skb->dev, pref, defrtr_usr_metric);
if (!rt) {
ND_PRINTK(0, err,
"RA: %s failed to add default route\n",
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index 188e114b29b4..41d8f801b75f 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -4252,11 +4252,12 @@ struct fib6_info *rt6_get_dflt_router(struct net *net,
struct fib6_info *rt6_add_dflt_router(struct net *net,
const struct in6_addr *gwaddr,
struct net_device *dev,
- unsigned int pref)
+ unsigned int pref,
+ u32 defrtr_usr_metric)
{
struct fib6_config cfg = {
.fc_table = l3mdev_fib_table(dev) ? : RT6_TABLE_DFLT,
- .fc_metric = IP6_RT_PRIO_USER,
+ .fc_metric = defrtr_usr_metric,
.fc_ifindex = dev->ifindex,
.fc_flags = RTF_GATEWAY | RTF_ADDRCONF | RTF_DEFAULT |
RTF_UP | RTF_EXPIRES | RTF_PREF(pref),
diff --git a/net/l3mdev/Makefile b/net/l3mdev/Makefile
index 59755a9e2f9b..9e7da0acc58c 100644
--- a/net/l3mdev/Makefile
+++ b/net/l3mdev/Makefile
@@ -3,4 +3,4 @@
# Makefile for the L3 device API
#
-obj-$(CONFIG_NET_L3_MASTER_DEV) += l3mdev.o
+obj-y += l3mdev.o
diff --git a/net/llc/Kconfig b/net/llc/Kconfig
index b0e646ac47eb..7f79f5e134f9 100644
--- a/net/llc/Kconfig
+++ b/net/llc/Kconfig
@@ -1,7 +1,6 @@
# SPDX-License-Identifier: GPL-2.0-only
config LLC
tristate
- depends on NET
config LLC2
tristate "ANSI/IEEE 802.2 LLC type 2 Support"
diff --git a/net/mptcp/pm_netlink.c b/net/mptcp/pm_netlink.c
index 9b1f6298bbdb..83976b9ee99b 100644
--- a/net/mptcp/pm_netlink.c
+++ b/net/mptcp/pm_netlink.c
@@ -60,15 +60,20 @@ static bool addresses_equal(const struct mptcp_addr_info *a,
{
bool addr_equals = false;
- if (a->family != b->family)
- return false;
-
- if (a->family == AF_INET)
- addr_equals = a->addr.s_addr == b->addr.s_addr;
+ if (a->family == b->family) {
+ if (a->family == AF_INET)
+ addr_equals = a->addr.s_addr == b->addr.s_addr;
#if IS_ENABLED(CONFIG_MPTCP_IPV6)
- else
- addr_equals = !ipv6_addr_cmp(&a->addr6, &b->addr6);
+ else
+ addr_equals = !ipv6_addr_cmp(&a->addr6, &b->addr6);
+ } else if (a->family == AF_INET) {
+ if (ipv6_addr_v4mapped(&b->addr6))
+ addr_equals = a->addr.s_addr == b->addr6.s6_addr32[3];
+ } else if (b->family == AF_INET) {
+ if (ipv6_addr_v4mapped(&a->addr6))
+ addr_equals = a->addr6.s6_addr32[3] == b->addr.s_addr;
#endif
+ }
if (!addr_equals)
return false;
@@ -137,6 +142,7 @@ select_local_address(const struct pm_nl_pernet *pernet,
struct mptcp_sock *msk)
{
struct mptcp_pm_addr_entry *entry, *ret = NULL;
+ struct sock *sk = (struct sock *)msk;
rcu_read_lock();
__mptcp_flush_join_list(msk);
@@ -144,11 +150,20 @@ select_local_address(const struct pm_nl_pernet *pernet,
if (!(entry->addr.flags & MPTCP_PM_ADDR_FLAG_SUBFLOW))
continue;
+ if (entry->addr.family != sk->sk_family) {
+#if IS_ENABLED(CONFIG_MPTCP_IPV6)
+ if ((entry->addr.family == AF_INET &&
+ !ipv6_addr_v4mapped(&sk->sk_v6_daddr)) ||
+ (sk->sk_family == AF_INET &&
+ !ipv6_addr_v4mapped(&entry->addr.addr6)))
+#endif
+ continue;
+ }
+
/* avoid any address already in use by subflows and
* pending join
*/
- if (entry->addr.family == ((struct sock *)msk)->sk_family &&
- !lookup_subflow_by_saddr(&msk->conn_list, &entry->addr)) {
+ if (!lookup_subflow_by_saddr(&msk->conn_list, &entry->addr)) {
ret = entry;
break;
}
@@ -310,7 +325,6 @@ void mptcp_pm_free_anno_list(struct mptcp_sock *msk)
static void mptcp_pm_create_subflow_or_signal_addr(struct mptcp_sock *msk)
{
- struct mptcp_addr_info remote = { 0 };
struct sock *sk = (struct sock *)msk;
struct mptcp_pm_addr_entry *local;
struct pm_nl_pernet *pernet;
@@ -344,13 +358,14 @@ static void mptcp_pm_create_subflow_or_signal_addr(struct mptcp_sock *msk)
/* check if should create a new subflow */
if (msk->pm.local_addr_used < msk->pm.local_addr_max &&
msk->pm.subflows < msk->pm.subflows_max) {
- remote_address((struct sock_common *)sk, &remote);
-
local = select_local_address(pernet, msk);
if (local) {
+ struct mptcp_addr_info remote = { 0 };
+
msk->pm.local_addr_used++;
msk->pm.subflows++;
check_work_pending(msk);
+ remote_address((struct sock_common *)sk, &remote);
spin_unlock_bh(&msk->pm.lock);
__mptcp_subflow_connect(sk, &local->addr, &remote);
spin_lock_bh(&msk->pm.lock);
diff --git a/net/mptcp/subflow.c b/net/mptcp/subflow.c
index 721059916c96..586156281e5a 100644
--- a/net/mptcp/subflow.c
+++ b/net/mptcp/subflow.c
@@ -1085,21 +1085,31 @@ void mptcpv6_handle_mapped(struct sock *sk, bool mapped)
#endif
static void mptcp_info2sockaddr(const struct mptcp_addr_info *info,
- struct sockaddr_storage *addr)
+ struct sockaddr_storage *addr,
+ unsigned short family)
{
memset(addr, 0, sizeof(*addr));
- addr->ss_family = info->family;
+ addr->ss_family = family;
if (addr->ss_family == AF_INET) {
struct sockaddr_in *in_addr = (struct sockaddr_in *)addr;
- in_addr->sin_addr = info->addr;
+ if (info->family == AF_INET)
+ in_addr->sin_addr = info->addr;
+#if IS_ENABLED(CONFIG_MPTCP_IPV6)
+ else if (ipv6_addr_v4mapped(&info->addr6))
+ in_addr->sin_addr.s_addr = info->addr6.s6_addr32[3];
+#endif
in_addr->sin_port = info->port;
}
#if IS_ENABLED(CONFIG_MPTCP_IPV6)
else if (addr->ss_family == AF_INET6) {
struct sockaddr_in6 *in6_addr = (struct sockaddr_in6 *)addr;
- in6_addr->sin6_addr = info->addr6;
+ if (info->family == AF_INET)
+ ipv6_addr_set_v4mapped(info->addr.s_addr,
+ &in6_addr->sin6_addr);
+ else
+ in6_addr->sin6_addr = info->addr6;
in6_addr->sin6_port = info->port;
}
#endif
@@ -1143,11 +1153,11 @@ int __mptcp_subflow_connect(struct sock *sk, const struct mptcp_addr_info *loc,
subflow->remote_key = msk->remote_key;
subflow->local_key = msk->local_key;
subflow->token = msk->token;
- mptcp_info2sockaddr(loc, &addr);
+ mptcp_info2sockaddr(loc, &addr, ssk->sk_family);
addrlen = sizeof(struct sockaddr_in);
#if IS_ENABLED(CONFIG_MPTCP_IPV6)
- if (loc->family == AF_INET6)
+ if (addr.ss_family == AF_INET6)
addrlen = sizeof(struct sockaddr_in6);
#endif
ssk->sk_bound_dev_if = loc->ifindex;
@@ -1163,7 +1173,7 @@ int __mptcp_subflow_connect(struct sock *sk, const struct mptcp_addr_info *loc,
subflow->remote_id = remote_id;
subflow->request_join = 1;
subflow->request_bkup = !!(loc->flags & MPTCP_PM_ADDR_FLAG_BACKUP);
- mptcp_info2sockaddr(remote, &addr);
+ mptcp_info2sockaddr(remote, &addr, ssk->sk_family);
mptcp_add_pending_subflow(msk, subflow);
err = kernel_connect(sf, (struct sockaddr *)&addr, addrlen, O_NONBLOCK);
diff --git a/net/netfilter/Kconfig b/net/netfilter/Kconfig
index 49fbef0d99be..1a92063c73a4 100644
--- a/net/netfilter/Kconfig
+++ b/net/netfilter/Kconfig
@@ -1,6 +1,6 @@
# SPDX-License-Identifier: GPL-2.0-only
menu "Core Netfilter Configuration"
- depends on NET && INET && NETFILTER
+ depends on INET && NETFILTER
config NETFILTER_INGRESS
bool "Netfilter ingress support"
diff --git a/net/netfilter/ipvs/Kconfig b/net/netfilter/ipvs/Kconfig
index eb0e329f9b8d..c39a1e35c104 100644
--- a/net/netfilter/ipvs/Kconfig
+++ b/net/netfilter/ipvs/Kconfig
@@ -4,7 +4,7 @@
#
menuconfig IP_VS
tristate "IP virtual server support"
- depends on NET && INET && NETFILTER
+ depends on INET && NETFILTER
depends on (NF_CONNTRACK || NF_CONNTRACK=n)
help
IP Virtual Server support will let you build a high-performance
diff --git a/net/nfc/Kconfig b/net/nfc/Kconfig
index 96b91674dd37..466a0279b93e 100644
--- a/net/nfc/Kconfig
+++ b/net/nfc/Kconfig
@@ -4,7 +4,6 @@
#
menuconfig NFC
- depends on NET
depends on RFKILL || !RFKILL
tristate "NFC subsystem support"
default n
diff --git a/net/psample/Kconfig b/net/psample/Kconfig
index 028f514a9c60..be0b839209ba 100644
--- a/net/psample/Kconfig
+++ b/net/psample/Kconfig
@@ -4,7 +4,6 @@
#
menuconfig PSAMPLE
- depends on NET
tristate "Packet-sampling netlink channel"
default n
help
diff --git a/net/switchdev/Makefile b/net/switchdev/Makefile
index bd69a3136e76..c5561d7f3a7c 100644
--- a/net/switchdev/Makefile
+++ b/net/switchdev/Makefile
@@ -3,4 +3,4 @@
# Makefile for the Switch device API
#
-obj-$(CONFIG_NET_SWITCHDEV) += switchdev.o
+obj-y += switchdev.o
diff --git a/net/tipc/msg.c b/net/tipc/msg.c
index 2aca86021df5..e9263280a2d4 100644
--- a/net/tipc/msg.c
+++ b/net/tipc/msg.c
@@ -117,10 +117,6 @@ struct sk_buff *tipc_msg_create(uint user, uint type,
msg_set_origport(msg, oport);
msg_set_destport(msg, dport);
msg_set_errcode(msg, errcode);
- if (hdr_sz > SHORT_H_SIZE) {
- msg_set_orignode(msg, onode);
- msg_set_destnode(msg, dnode);
- }
return buf;
}
diff --git a/tools/testing/selftests/net/mptcp/mptcp_join.sh b/tools/testing/selftests/net/mptcp/mptcp_join.sh
index f74cd993b168..be34b9ccbd20 100755
--- a/tools/testing/selftests/net/mptcp/mptcp_join.sh
+++ b/tools/testing/selftests/net/mptcp/mptcp_join.sh
@@ -790,6 +790,81 @@ chk_join_nr "remove subflow and signal IPv6" 2 2 2
chk_add_nr 1 1
chk_rm_nr 1 1
+# subflow IPv4-mapped to IPv4-mapped
+reset
+ip netns exec $ns1 ./pm_nl_ctl limits 0 1
+ip netns exec $ns2 ./pm_nl_ctl limits 0 1
+ip netns exec $ns2 ./pm_nl_ctl add "::ffff:10.0.3.2" flags subflow
+run_tests $ns1 $ns2 "::ffff:10.0.1.1"
+chk_join_nr "single subflow IPv4-mapped" 1 1 1
+
+# signal address IPv4-mapped with IPv4-mapped sk
+reset
+ip netns exec $ns1 ./pm_nl_ctl limits 0 1
+ip netns exec $ns2 ./pm_nl_ctl limits 1 1
+ip netns exec $ns1 ./pm_nl_ctl add "::ffff:10.0.2.1" flags signal
+run_tests $ns1 $ns2 "::ffff:10.0.1.1"
+chk_join_nr "signal address IPv4-mapped" 1 1 1
+chk_add_nr 1 1
+
+# subflow v4-map-v6
+reset
+ip netns exec $ns1 ./pm_nl_ctl limits 0 1
+ip netns exec $ns2 ./pm_nl_ctl limits 0 1
+ip netns exec $ns2 ./pm_nl_ctl add 10.0.3.2 flags subflow
+run_tests $ns1 $ns2 "::ffff:10.0.1.1"
+chk_join_nr "single subflow v4-map-v6" 1 1 1
+
+# signal address v4-map-v6
+reset
+ip netns exec $ns1 ./pm_nl_ctl limits 0 1
+ip netns exec $ns2 ./pm_nl_ctl limits 1 1
+ip netns exec $ns1 ./pm_nl_ctl add 10.0.2.1 flags signal
+run_tests $ns1 $ns2 "::ffff:10.0.1.1"
+chk_join_nr "signal address v4-map-v6" 1 1 1
+chk_add_nr 1 1
+
+# subflow v6-map-v4
+reset
+ip netns exec $ns1 ./pm_nl_ctl limits 0 1
+ip netns exec $ns2 ./pm_nl_ctl limits 0 1
+ip netns exec $ns2 ./pm_nl_ctl add "::ffff:10.0.3.2" flags subflow
+run_tests $ns1 $ns2 10.0.1.1
+chk_join_nr "single subflow v6-map-v4" 1 1 1
+
+# signal address v6-map-v4
+reset
+ip netns exec $ns1 ./pm_nl_ctl limits 0 1
+ip netns exec $ns2 ./pm_nl_ctl limits 1 1
+ip netns exec $ns1 ./pm_nl_ctl add "::ffff:10.0.2.1" flags signal
+run_tests $ns1 $ns2 10.0.1.1
+chk_join_nr "signal address v6-map-v4" 1 1 1
+chk_add_nr 1 1
+
+# no subflow IPv6 to v4 address
+reset
+ip netns exec $ns1 ./pm_nl_ctl limits 0 1
+ip netns exec $ns2 ./pm_nl_ctl limits 0 1
+ip netns exec $ns2 ./pm_nl_ctl add dead:beef:2::2 flags subflow
+run_tests $ns1 $ns2 10.0.1.1
+chk_join_nr "no JOIN with diff families v4-v6" 0 0 0
+
+# no subflow IPv6 to v4 address even if v6 has a valid v4 at the end
+reset
+ip netns exec $ns1 ./pm_nl_ctl limits 0 1
+ip netns exec $ns2 ./pm_nl_ctl limits 0 1
+ip netns exec $ns2 ./pm_nl_ctl add dead:beef:2::10.0.3.2 flags subflow
+run_tests $ns1 $ns2 10.0.1.1
+chk_join_nr "no JOIN with diff families v4-v6-2" 0 0 0
+
+# no subflow IPv4 to v6 address, no need to slow down too then
+reset
+ip netns exec $ns1 ./pm_nl_ctl limits 0 1
+ip netns exec $ns2 ./pm_nl_ctl limits 0 1
+ip netns exec $ns2 ./pm_nl_ctl add 10.0.3.2 flags subflow
+run_tests $ns1 $ns2 dead:beef:1::1
+chk_join_nr "no JOIN with diff families v6-v4" 0 0 0
+
# single subflow, backup
reset
ip netns exec $ns1 ./pm_nl_ctl limits 0 1
diff --git a/tools/testing/selftests/net/mptcp/settings b/tools/testing/selftests/net/mptcp/settings
index 026384c189c9..a62d2fa1275c 100644
--- a/tools/testing/selftests/net/mptcp/settings
+++ b/tools/testing/selftests/net/mptcp/settings
@@ -1 +1 @@
-timeout=450
+timeout=600