diff --git a/Documentation/devicetree/bindings/net/ethernet.txt b/Documentation/devicetree/bindings/net/ethernet.txt
index 7da86f22a13b80843d087fe859d6633de4d8b11d..2974e63ba311aa4d053ee32cd63baea3c415d756 100644
--- a/Documentation/devicetree/bindings/net/ethernet.txt
+++ b/Documentation/devicetree/bindings/net/ethernet.txt
@@ -1,5 +1,9 @@
 The following properties are common to the Ethernet controllers:
 
+NOTE: All 'phy*' properties documented below are Ethernet specific. For the
+generic PHY 'phys' property, see
+Documentation/devicetree/bindings/phy/phy-bindings.txt.
+
 - local-mac-address: array of 6 bytes, specifies the MAC address that was
   assigned to the network device;
 - mac-address: array of 6 bytes, specifies the MAC address that was last used by
diff --git a/Documentation/devicetree/bindings/net/sff,sfp.txt b/Documentation/devicetree/bindings/net/sff,sfp.txt
new file mode 100644
index 0000000000000000000000000000000000000000..60e970ce10ee0074b2a8da439bd13658ed187aae
--- /dev/null
+++ b/Documentation/devicetree/bindings/net/sff,sfp.txt
@@ -0,0 +1,76 @@
+Small Form Factor (SFF) Committee Small Form-factor Pluggable (SFP)
+Transceiver
+
+Required properties:
+
+- compatible : must be "sff,sfp"
+
+Optional Properties:
+
+- i2c-bus : phandle of an I2C bus controller for the SFP two wire serial
+  interface
+
+- mod-def0-gpios : GPIO phandle and a specifier of the MOD-DEF0 (AKA Mod_ABS)
+  module presence input gpio signal, active (module absent) high
+
+- los-gpios : GPIO phandle and a specifier of the Receiver Loss of Signal
+  Indication input gpio signal, active (signal lost) high
+
+- tx-fault-gpios : GPIO phandle and a specifier of the Module Transmitter
+  Fault input gpio signal, active (fault condition) high
+
+- tx-disable-gpios : GPIO phandle and a specifier of the Transmitter Disable
+  output gpio signal, active (Tx disable) high
+
+- rate-select0-gpios : GPIO phandle and a specifier of the Rx Signaling Rate
+  Select (AKA RS0) output gpio signal, low: low Rx rate, high: high Rx rate
+
+- rate-select1-gpios : GPIO phandle and a specifier of the Tx Signaling Rate
+  Select (AKA RS1) output gpio signal (SFP+ only), low: low Tx rate, high:
+  high Tx rate
+
+Example #1: Direct serdes to SFP connection
+
+sfp_eth3: sfp-eth3 {
+	compatible = "sff,sfp";
+	i2c-bus = <&sfp_1g_i2c>;
+	los-gpios = <&cpm_gpio2 22 GPIO_ACTIVE_HIGH>;
+	mod-def0-gpios = <&cpm_gpio2 21 GPIO_ACTIVE_LOW>;
+	pinctrl-names = "default";
+	pinctrl-0 = <&cpm_sfp_1g_pins &cps_sfp_1g_pins>;
+	tx-disable-gpios = <&cps_gpio1 24 GPIO_ACTIVE_HIGH>;
+	tx-fault-gpios = <&cpm_gpio2 19 GPIO_ACTIVE_HIGH>;
+};
+
+&cps_emac3 {
+	phy-names = "comphy";
+	phys = <&cps_comphy5 0>;
+	sfp = <&sfp_eth3>;
+};
+
+Example #2: Serdes to PHY to SFP connection
+
+sfp_eth0: sfp-eth0 {
+	compatible = "sff,sfp";
+	i2c-bus = <&sfpp0_i2c>;
+	los-gpios = <&cps_gpio1 28 GPIO_ACTIVE_HIGH>;
+	mod-def0-gpios = <&cps_gpio1 27 GPIO_ACTIVE_LOW>;
+	pinctrl-names = "default";
+	pinctrl-0 = <&cps_sfpp0_pins>;
+	tx-disable-gpios = <&cps_gpio1 29 GPIO_ACTIVE_HIGH>;
+	tx-fault-gpios  = <&cps_gpio1 26 GPIO_ACTIVE_HIGH>;
+};
+
+p0_phy: ethernet-phy@0 {
+	compatible = "ethernet-phy-ieee802.3-c45";
+	pinctrl-names = "default";
+	pinctrl-0 = <&cpm_phy0_pins &cps_phy0_pins>;
+	reg = <0>;
+	interrupt = <&cpm_gpio2 18 IRQ_TYPE_EDGE_FALLING>;
+	sfp = <&sfp_eth0>;
+};
+
+&cpm_eth0 {
+	phy = <&p0_phy>;
+	phy-mode = "10gbase-kr";
+};
diff --git a/Documentation/devicetree/bindings/phy/phy-bindings.txt b/Documentation/devicetree/bindings/phy/phy-bindings.txt
index 1293c321754c67014a4bdc4d4165ba517bac398d..a403b81d0679622d0b473edf545898618fc66836 100644
--- a/Documentation/devicetree/bindings/phy/phy-bindings.txt
+++ b/Documentation/devicetree/bindings/phy/phy-bindings.txt
@@ -34,7 +34,9 @@ PHY user node
 =============
 
 Required Properties:
-phys : the phandle for the PHY device (used by the PHY subsystem)
+phys : the phandle for the PHY device (used by the PHY subsystem; not to be
+       confused with the Ethernet specific 'phy' and 'phy-handle' properties,
+       see Documentation/devicetree/bindings/net/ethernet.txt for these)
 phy-names : the names of the PHY corresponding to the PHYs present in the
 	    *phys* phandle
 
diff --git a/Documentation/devicetree/bindings/vendor-prefixes.txt b/Documentation/devicetree/bindings/vendor-prefixes.txt
index 401ed98cab1829f867b9be45af898e0f385308bc..5a79aeb620b3a206434bd45bf2410a7ed47db7cb 100644
--- a/Documentation/devicetree/bindings/vendor-prefixes.txt
+++ b/Documentation/devicetree/bindings/vendor-prefixes.txt
@@ -292,6 +292,7 @@ schindler	Schindler
 seagate	Seagate Technology PLC
 semtech	Semtech Corporation
 sensirion	Sensirion AG
+sff	Small Form Factor Committee
 sgx	SGX Sensortech
 sharp	Sharp Corporation
 si-en	Si-En Technology Ltd.
diff --git a/drivers/isdn/isdnloop/isdnloop.c b/drivers/isdn/isdnloop/isdnloop.c
index 6ffd13466b8cba2256ccb6b0043debf40c9e1eda..e97232646ba15f50b544a4fdc4dd050de0757752 100644
--- a/drivers/isdn/isdnloop/isdnloop.c
+++ b/drivers/isdn/isdnloop/isdnloop.c
@@ -409,7 +409,7 @@ isdnloop_sendbuf(int channel, struct sk_buff *skb, isdnloop_card *card)
 		return -EINVAL;
 	}
 	if (len) {
-		if (!(card->flags & (channel) ? ISDNLOOP_FLAGS_B2ACTIVE : ISDNLOOP_FLAGS_B1ACTIVE))
+		if (!(card->flags & (channel ? ISDNLOOP_FLAGS_B2ACTIVE : ISDNLOOP_FLAGS_B1ACTIVE)))
 			return 0;
 		if (card->sndcount[channel] > ISDNLOOP_MAX_SQUEUE)
 			return 0;
diff --git a/drivers/net/ethernet/davicom/dm9000.c b/drivers/net/ethernet/davicom/dm9000.c
index 16fe776ddbe592987541de34f8c5de509fb4c2c9..50222b7b81f3e521762fef0c2780e59eca915725 100644
--- a/drivers/net/ethernet/davicom/dm9000.c
+++ b/drivers/net/ethernet/davicom/dm9000.c
@@ -65,7 +65,7 @@ MODULE_PARM_DESC(watchdog, "transmit timeout in milliseconds");
  */
 static int debug;
 module_param(debug, int, 0644);
-MODULE_PARM_DESC(debug, "dm9000 debug level (0-4)");
+MODULE_PARM_DESC(debug, "dm9000 debug level (0-6)");
 
 /* DM9000 register address locking.
  *
diff --git a/drivers/net/ethernet/dec/tulip/tulip.h b/drivers/net/ethernet/dec/tulip/tulip.h
index 38431a155f093582c1fd7830d3d9f1944eb40645..06660dbc44b7e7a383bd8f07cc3717d89ed6e3c7 100644
--- a/drivers/net/ethernet/dec/tulip/tulip.h
+++ b/drivers/net/ethernet/dec/tulip/tulip.h
@@ -515,7 +515,7 @@ void comet_timer(unsigned long data);
 extern int tulip_debug;
 extern const char * const medianame[];
 extern const char tulip_media_cap[];
-extern struct tulip_chip_table tulip_tbl[];
+extern const struct tulip_chip_table tulip_tbl[];
 void oom_timer(unsigned long data);
 extern u8 t21040_csr13[];
 
diff --git a/drivers/net/ethernet/dec/tulip/tulip_core.c b/drivers/net/ethernet/dec/tulip/tulip_core.c
index 84394b43c0a1f8c742fa52a0872da27535abd6a6..851b6d1f5a42ab893fa16b53b1b5e7f844ec2a71 100644
--- a/drivers/net/ethernet/dec/tulip/tulip_core.c
+++ b/drivers/net/ethernet/dec/tulip/tulip_core.c
@@ -138,7 +138,7 @@ static void tulip_timer(unsigned long data)
  * It is indexed via the values in 'enum chips'
  */
 
-struct tulip_chip_table tulip_tbl[] = {
+const struct tulip_chip_table tulip_tbl[] = {
   { }, /* placeholder for array, slot unused currently */
   { }, /* placeholder for array, slot unused currently */
 
diff --git a/drivers/net/ethernet/ti/netcp_core.c b/drivers/net/ethernet/ti/netcp_core.c
index eb96a69132358b376fd391ed273732fd1de6a175..437d36289786bbbe8f153910ee797b13379b61e3 100644
--- a/drivers/net/ethernet/ti/netcp_core.c
+++ b/drivers/net/ethernet/ti/netcp_core.c
@@ -2145,7 +2145,6 @@ static void netcp_delete_interface(struct netcp_device *netcp_device,
 
 	of_node_put(netcp->node_interface);
 	unregister_netdev(ndev);
-	netif_napi_del(&netcp->rx_napi);
 	free_netdev(ndev);
 }
 
diff --git a/drivers/net/phy/mdio_bus.c b/drivers/net/phy/mdio_bus.c
index b6f9fa67016831745c5ad43dfe466605182daf71..2df7b62c1a36811e97087ae641a89d06641cef4e 100644
--- a/drivers/net/phy/mdio_bus.c
+++ b/drivers/net/phy/mdio_bus.c
@@ -399,7 +399,8 @@ int __mdiobus_register(struct mii_bus *bus, struct module *owner)
 	}
 
 	/* Put PHYs in RESET to save power */
-	gpiod_set_value_cansleep(bus->reset_gpiod, 1);
+	if (bus->reset_gpiod)
+		gpiod_set_value_cansleep(bus->reset_gpiod, 1);
 
 	device_del(&bus->dev);
 	return err;
@@ -424,7 +425,8 @@ void mdiobus_unregister(struct mii_bus *bus)
 	}
 
 	/* Put PHYs in RESET to save power */
-	gpiod_set_value_cansleep(bus->reset_gpiod, 1);
+	if (bus->reset_gpiod)
+		gpiod_set_value_cansleep(bus->reset_gpiod, 1);
 
 	device_del(&bus->dev);
 }
diff --git a/drivers/net/phy/sfp.c b/drivers/net/phy/sfp.c
index fb2cf4342f48b5894fe5d7a7bfc8356fb7b60b0f..baee371bf767c6dff65b54b8739da6d0f6ba98c1 100644
--- a/drivers/net/phy/sfp.c
+++ b/drivers/net/phy/sfp.c
@@ -58,11 +58,11 @@ enum {
 };
 
 static const char *gpio_of_names[] = {
-	"moddef0",
+	"mod-def0",
 	"los",
 	"tx-fault",
 	"tx-disable",
-	"rate-select",
+	"rate-select0",
 };
 
 static const enum gpiod_flags gpio_flags[] = {
diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/feature.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/feature.c
index f1b60740e02080261d998686a28e27c9ee4ea8a2..53ae3025998999e26f2f06307fe4abd6f6343dc9 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/feature.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/feature.c
@@ -159,7 +159,8 @@ void brcmf_feat_attach(struct brcmf_pub *drvr)
 
 	brcmf_feat_firmware_capabilities(ifp);
 	memset(&gscan_cfg, 0, sizeof(gscan_cfg));
-	if (drvr->bus_if->chip != BRCM_CC_43430_CHIP_ID)
+	if (drvr->bus_if->chip != BRCM_CC_43430_CHIP_ID &&
+	    drvr->bus_if->chip != BRCM_CC_4345_CHIP_ID)
 		brcmf_feat_iovar_data_set(ifp, BRCMF_FEAT_GSCAN,
 					  "pfn_gscan_cfg",
 					  &gscan_cfg, sizeof(gscan_cfg));
diff --git a/drivers/net/wireless/intel/iwlwifi/fw/file.h b/drivers/net/wireless/intel/iwlwifi/fw/file.h
index 887f6d8fc8a7c65915334af1d3ee9b002ea115ce..279248cd9cfb368e6fc9e81288ae90598145c4b6 100644
--- a/drivers/net/wireless/intel/iwlwifi/fw/file.h
+++ b/drivers/net/wireless/intel/iwlwifi/fw/file.h
@@ -378,6 +378,7 @@ enum iwl_ucode_tlv_capa {
 	IWL_UCODE_TLV_CAPA_EXTEND_SHARED_MEM_CFG	= (__force iwl_ucode_tlv_capa_t)80,
 	IWL_UCODE_TLV_CAPA_LQM_SUPPORT			= (__force iwl_ucode_tlv_capa_t)81,
 	IWL_UCODE_TLV_CAPA_TX_POWER_ACK			= (__force iwl_ucode_tlv_capa_t)84,
+	IWL_UCODE_TLV_CAPA_LED_CMD_SUPPORT		= (__force iwl_ucode_tlv_capa_t)86,
 	IWL_UCODE_TLV_CAPA_MLME_OFFLOAD			= (__force iwl_ucode_tlv_capa_t)96,
 
 	NUM_IWL_UCODE_TLV_CAPA
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/led.c b/drivers/net/wireless/intel/iwlwifi/mvm/led.c
index 005e2e7278a5375ed493b7db8ddeee6a498a022b..b27269504a622f3fff33b2e3736c13720af53e13 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/led.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/led.c
@@ -92,7 +92,8 @@ static void iwl_mvm_send_led_fw_cmd(struct iwl_mvm *mvm, bool on)
 
 static void iwl_mvm_led_set(struct iwl_mvm *mvm, bool on)
 {
-	if (mvm->cfg->device_family >= IWL_DEVICE_FAMILY_8000) {
+	if (fw_has_capa(&mvm->fw->ucode_capa,
+			IWL_UCODE_TLV_CAPA_LED_CMD_SUPPORT)) {
 		iwl_mvm_send_led_fw_cmd(mvm, on);
 		return;
 	}
diff --git a/drivers/net/wireless/mac80211_hwsim.c b/drivers/net/wireless/mac80211_hwsim.c
index c8852acc14620a8bc6e94df9c92c647feb2fde1d..6467ffac9811e77649ab5c5f650b1e2004f5553d 100644
--- a/drivers/net/wireless/mac80211_hwsim.c
+++ b/drivers/net/wireless/mac80211_hwsim.c
@@ -1362,8 +1362,6 @@ static void mac80211_hwsim_tx(struct ieee80211_hw *hw,
 				       txi->control.rates,
 				       ARRAY_SIZE(txi->control.rates));
 
-	txi->rate_driver_data[0] = channel;
-
 	if (skb->len >= 24 + 8 &&
 	    ieee80211_is_probe_resp(hdr->frame_control)) {
 		/* fake header transmission time */
diff --git a/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8723b2ant.c b/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8723b2ant.c
index 31965f0ef69de64f6f5189c7e1833af3e0f25d74..e8f07573aed96661a91112bfa04a256d6db6d9bb 100644
--- a/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8723b2ant.c
+++ b/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8723b2ant.c
@@ -1183,7 +1183,10 @@ static void btc8723b2ant_set_ant_path(struct btc_coexist *btcoexist,
 		}
 
 		/* fixed internal switch S1->WiFi, S0->BT */
-		btcoexist->btc_write_4byte(btcoexist, 0x948, 0x0);
+		if (board_info->btdm_ant_pos == BTC_ANTENNA_AT_MAIN_PORT)
+			btcoexist->btc_write_2byte(btcoexist, 0x948, 0x0);
+		else
+			btcoexist->btc_write_2byte(btcoexist, 0x948, 0x280);
 
 		switch (antpos_type) {
 		case BTC_ANT_WIFI_AT_MAIN:
diff --git a/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtcoutsrc.c b/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtcoutsrc.c
index c1eacd8352a2ba5a1321bc62a4579db314057891..b5e9877d935c4f088a4cf41b5700805aa73f6b42 100644
--- a/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtcoutsrc.c
+++ b/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtcoutsrc.c
@@ -173,6 +173,16 @@ static u8 halbtc_get_wifi_central_chnl(struct btc_coexist *btcoexist)
 
 u8 rtl_get_hwpg_single_ant_path(struct rtl_priv *rtlpriv)
 {
+	struct rtl_mod_params *mod_params = rtlpriv->cfg->mod_params;
+
+	/* override ant_num / ant_path */
+	if (mod_params->ant_sel) {
+		rtlpriv->btcoexist.btc_info.ant_num =
+			(mod_params->ant_sel == 1 ? ANT_X2 : ANT_X1);
+
+		rtlpriv->btcoexist.btc_info.single_ant_path =
+			(mod_params->ant_sel == 1 ? 0 : 1);
+	}
 	return rtlpriv->btcoexist.btc_info.single_ant_path;
 }
 
@@ -183,6 +193,7 @@ u8 rtl_get_hwpg_bt_type(struct rtl_priv *rtlpriv)
 
 u8 rtl_get_hwpg_ant_num(struct rtl_priv *rtlpriv)
 {
+	struct rtl_mod_params *mod_params = rtlpriv->cfg->mod_params;
 	u8 num;
 
 	if (rtlpriv->btcoexist.btc_info.ant_num == ANT_X2)
@@ -190,6 +201,10 @@ u8 rtl_get_hwpg_ant_num(struct rtl_priv *rtlpriv)
 	else
 		num = 1;
 
+	/* override ant_num / ant_path */
+	if (mod_params->ant_sel)
+		num = (mod_params->ant_sel == 1 ? ANT_X2 : ANT_X1) + 1;
+
 	return num;
 }
 
@@ -876,7 +891,7 @@ bool exhalbtc_bind_bt_coex_withadapter(void *adapter)
 {
 	struct btc_coexist *btcoexist = &gl_bt_coexist;
 	struct rtl_priv *rtlpriv = adapter;
-	u8 ant_num = 2, chip_type, single_ant_path = 0;
+	u8 ant_num = 2, chip_type;
 
 	if (btcoexist->binded)
 		return false;
@@ -911,12 +926,6 @@ bool exhalbtc_bind_bt_coex_withadapter(void *adapter)
 	ant_num = rtl_get_hwpg_ant_num(rtlpriv);
 	exhalbtc_set_ant_num(rtlpriv, BT_COEX_ANT_TYPE_PG, ant_num);
 
-	/* set default antenna position to main  port */
-	btcoexist->board_info.btdm_ant_pos = BTC_ANTENNA_AT_MAIN_PORT;
-
-	single_ant_path = rtl_get_hwpg_single_ant_path(rtlpriv);
-	exhalbtc_set_single_ant_path(single_ant_path);
-
 	if (rtl_get_hwpg_package_type(rtlpriv) == 0)
 		btcoexist->board_info.tfbga_package = false;
 	else if (rtl_get_hwpg_package_type(rtlpriv) == 1)
diff --git a/include/linux/bpf.h b/include/linux/bpf.h
index c2cb1b5c094ec3e39cb0ccbe9dc204a1c404cc2f..8390859e79e70b9a07f0948e1efaa5adbfb0c99c 100644
--- a/include/linux/bpf.h
+++ b/include/linux/bpf.h
@@ -385,16 +385,16 @@ static inline void __dev_map_flush(struct bpf_map *map)
 
 #if defined(CONFIG_STREAM_PARSER) && defined(CONFIG_BPF_SYSCALL)
 struct sock  *__sock_map_lookup_elem(struct bpf_map *map, u32 key);
-int sock_map_attach_prog(struct bpf_map *map, struct bpf_prog *prog, u32 type);
+int sock_map_prog(struct bpf_map *map, struct bpf_prog *prog, u32 type);
 #else
 static inline struct sock  *__sock_map_lookup_elem(struct bpf_map *map, u32 key)
 {
 	return NULL;
 }
 
-static inline int sock_map_attach_prog(struct bpf_map *map,
-				       struct bpf_prog *prog,
-				       u32 type)
+static inline int sock_map_prog(struct bpf_map *map,
+				struct bpf_prog *prog,
+				u32 type)
 {
 	return -EOPNOTSUPP;
 }
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index f751f3b930391d02b7b0f2c2d3852de64b46b920..72299ef00061db1ce70d34b96ae1639ecde08837 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -958,7 +958,7 @@ void kfree_skb(struct sk_buff *skb);
 void kfree_skb_list(struct sk_buff *segs);
 void skb_tx_error(struct sk_buff *skb);
 void consume_skb(struct sk_buff *skb);
-void consume_stateless_skb(struct sk_buff *skb);
+void __consume_stateless_skb(struct sk_buff *skb);
 void  __kfree_skb(struct sk_buff *skb);
 extern struct kmem_cache *skbuff_head_cache;
 
diff --git a/include/net/mac80211.h b/include/net/mac80211.h
index f8149ca192b430c181406fa9a3e4db8fc0a17252..885690fa39c8d8f4a48f2fa25447646d3d0a7856 100644
--- a/include/net/mac80211.h
+++ b/include/net/mac80211.h
@@ -919,21 +919,10 @@ struct ieee80211_tx_info {
 				unsigned long jiffies;
 			};
 			/* NB: vif can be NULL for injected frames */
-			union {
-				/* NB: vif can be NULL for injected frames */
-				struct ieee80211_vif *vif;
-
-				/* When packets are enqueued on txq it's easy
-				 * to re-construct the vif pointer. There's no
-				 * more space in tx_info so it can be used to
-				 * store the necessary enqueue time for packet
-				 * sojourn time computation.
-				 */
-				codel_time_t enqueue_time;
-			};
+			struct ieee80211_vif *vif;
 			struct ieee80211_key_conf *hw_key;
 			u32 flags;
-			/* 4 bytes free */
+			codel_time_t enqueue_time;
 		} control;
 		struct {
 			u64 cookie;
diff --git a/include/net/netfilter/nf_conntrack.h b/include/net/netfilter/nf_conntrack.h
index fdc9c64a1c94dda972f0186e0c8224649e2b2d9c..8f3bd30511def05c91870b2f73bba03e4dc1b04a 100644
--- a/include/net/netfilter/nf_conntrack.h
+++ b/include/net/netfilter/nf_conntrack.h
@@ -17,7 +17,6 @@
 #include <linux/bitops.h>
 #include <linux/compiler.h>
 #include <linux/atomic.h>
-#include <linux/rhashtable.h>
 
 #include <linux/netfilter/nf_conntrack_tcp.h>
 #include <linux/netfilter/nf_conntrack_dccp.h>
@@ -77,7 +76,7 @@ struct nf_conn {
 	possible_net_t ct_net;
 
 #if IS_ENABLED(CONFIG_NF_NAT)
-	struct rhlist_head nat_bysource;
+	struct hlist_node	nat_bysource;
 #endif
 	/* all members below initialized via memset */
 	u8 __nfct_init_offset[0];
diff --git a/include/net/netfilter/nf_nat.h b/include/net/netfilter/nf_nat.h
index 05c82a1a42679cf336c4ecc2addc30bdaceecbbe..b71701302e6176720a0ac8faf52b48e23bdb2fa9 100644
--- a/include/net/netfilter/nf_nat.h
+++ b/include/net/netfilter/nf_nat.h
@@ -1,6 +1,5 @@
 #ifndef _NF_NAT_H
 #define _NF_NAT_H
-#include <linux/rhashtable.h>
 #include <linux/netfilter_ipv4.h>
 #include <linux/netfilter/nf_nat.h>
 #include <net/netfilter/nf_conntrack_tuple.h>
diff --git a/include/uapi/linux/bpf.h b/include/uapi/linux/bpf.h
index ba848b761cfbf6e90f612e3d9a42c55d657f0ec0..43ab5c402f98f3c2dc15ccc49ec475530a39e401 100644
--- a/include/uapi/linux/bpf.h
+++ b/include/uapi/linux/bpf.h
@@ -766,8 +766,8 @@ struct bpf_sock {
 
 /* User return codes for XDP prog type.
  * A valid XDP program must return one of these defined values. All other
- * return codes are reserved for future use. Unknown return codes will result
- * in packet drop.
+ * return codes are reserved for future use. Unknown return codes will
+ * result in packet drops and a warning via bpf_warn_invalid_xdp_action().
  */
 enum xdp_action {
 	XDP_ABORTED = 0,
diff --git a/kernel/bpf/devmap.c b/kernel/bpf/devmap.c
index ecf9f99ecc579e315f4651032a8b39415d5b4d81..959c9a07f318b14f6ab4719973f6010de061aadc 100644
--- a/kernel/bpf/devmap.c
+++ b/kernel/bpf/devmap.c
@@ -159,7 +159,7 @@ static void dev_map_free(struct bpf_map *map)
 		unsigned long *bitmap = per_cpu_ptr(dtab->flush_needed, cpu);
 
 		while (!bitmap_empty(bitmap, dtab->map.max_entries))
-			cpu_relax();
+			cond_resched();
 	}
 
 	for (i = 0; i < dtab->map.max_entries; i++) {
diff --git a/kernel/bpf/sockmap.c b/kernel/bpf/sockmap.c
index f6ffde9c6a68cac1472909205083eb3b9c23e8bc..6424ce0e49698abee1da6242a0a8494d8ba0f03f 100644
--- a/kernel/bpf/sockmap.c
+++ b/kernel/bpf/sockmap.c
@@ -792,7 +792,7 @@ static int sock_map_ctx_update_elem(struct bpf_sock_ops_kern *skops,
 	return err;
 }
 
-int sock_map_attach_prog(struct bpf_map *map, struct bpf_prog *prog, u32 type)
+int sock_map_prog(struct bpf_map *map, struct bpf_prog *prog, u32 type)
 {
 	struct bpf_stab *stab = container_of(map, struct bpf_stab, map);
 	struct bpf_prog *orig;
diff --git a/kernel/bpf/syscall.c b/kernel/bpf/syscall.c
index 70ad8e220343c7825c8e331f19c1f65c78fdb796..cb17e1cd1d434dc2e052a2a9fb0aea967fcf4417 100644
--- a/kernel/bpf/syscall.c
+++ b/kernel/bpf/syscall.c
@@ -1096,10 +1096,10 @@ static int bpf_obj_get(const union bpf_attr *attr)
 
 #define BPF_PROG_ATTACH_LAST_FIELD attach_flags
 
-static int sockmap_get_from_fd(const union bpf_attr *attr)
+static int sockmap_get_from_fd(const union bpf_attr *attr, bool attach)
 {
+	struct bpf_prog *prog = NULL;
 	int ufd = attr->target_fd;
-	struct bpf_prog *prog;
 	struct bpf_map *map;
 	struct fd f;
 	int err;
@@ -1109,16 +1109,20 @@ static int sockmap_get_from_fd(const union bpf_attr *attr)
 	if (IS_ERR(map))
 		return PTR_ERR(map);
 
-	prog = bpf_prog_get_type(attr->attach_bpf_fd, BPF_PROG_TYPE_SK_SKB);
-	if (IS_ERR(prog)) {
-		fdput(f);
-		return PTR_ERR(prog);
+	if (attach) {
+		prog = bpf_prog_get_type(attr->attach_bpf_fd,
+					 BPF_PROG_TYPE_SK_SKB);
+		if (IS_ERR(prog)) {
+			fdput(f);
+			return PTR_ERR(prog);
+		}
 	}
 
-	err = sock_map_attach_prog(map, prog, attr->attach_type);
+	err = sock_map_prog(map, prog, attr->attach_type);
 	if (err) {
 		fdput(f);
-		bpf_prog_put(prog);
+		if (prog)
+			bpf_prog_put(prog);
 		return err;
 	}
 
@@ -1155,7 +1159,7 @@ static int bpf_prog_attach(const union bpf_attr *attr)
 		break;
 	case BPF_SK_SKB_STREAM_PARSER:
 	case BPF_SK_SKB_STREAM_VERDICT:
-		return sockmap_get_from_fd(attr);
+		return sockmap_get_from_fd(attr, true);
 	default:
 		return -EINVAL;
 	}
@@ -1204,7 +1208,10 @@ static int bpf_prog_detach(const union bpf_attr *attr)
 		ret = cgroup_bpf_update(cgrp, NULL, attr->attach_type, false);
 		cgroup_put(cgrp);
 		break;
-
+	case BPF_SK_SKB_STREAM_PARSER:
+	case BPF_SK_SKB_STREAM_VERDICT:
+		ret = sockmap_get_from_fd(attr, false);
+		break;
 	default:
 		return -EINVAL;
 	}
diff --git a/kernel/bpf/verifier.c b/kernel/bpf/verifier.c
index d690c7dd1f1a53dd07752308c234f5f7ac44d724..477b6932c3c1f2b9a1639b75f7ec919ba45e422c 100644
--- a/kernel/bpf/verifier.c
+++ b/kernel/bpf/verifier.c
@@ -4203,6 +4203,22 @@ static int fixup_bpf_calls(struct bpf_verifier_env *env)
 			continue;
 		}
 
+		if (insn->imm == BPF_FUNC_redirect_map) {
+			u64 addr = (unsigned long)prog;
+			struct bpf_insn r4_ld[] = {
+				BPF_LD_IMM64(BPF_REG_4, addr),
+				*insn,
+			};
+			cnt = ARRAY_SIZE(r4_ld);
+
+			new_prog = bpf_patch_insn_data(env, i + delta, r4_ld, cnt);
+			if (!new_prog)
+				return -ENOMEM;
+
+			delta    += cnt - 1;
+			env->prog = prog = new_prog;
+			insn      = new_prog->insnsi + i + delta;
+		}
 patch_call_imm:
 		fn = prog->aux->ops->get_func_proto(insn->imm);
 		/* all functions that have prototype and verifier allowed
diff --git a/net/core/dev.c b/net/core/dev.c
index 6f845e4fec175f333b568bfc44ed85a6a400ff6f..fb766d906148e7d1e85a654eaf6048c1cdf49364 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -3981,8 +3981,13 @@ static int netif_rx_internal(struct sk_buff *skb)
 	trace_netif_rx(skb);
 
 	if (static_key_false(&generic_xdp_needed)) {
-		int ret = do_xdp_generic(rcu_dereference(skb->dev->xdp_prog),
-					 skb);
+		int ret;
+
+		preempt_disable();
+		rcu_read_lock();
+		ret = do_xdp_generic(rcu_dereference(skb->dev->xdp_prog), skb);
+		rcu_read_unlock();
+		preempt_enable();
 
 		/* Consider XDP consuming the packet a success from
 		 * the netdev point of view we do not want to count
@@ -4500,18 +4505,20 @@ static int netif_receive_skb_internal(struct sk_buff *skb)
 	if (skb_defer_rx_timestamp(skb))
 		return NET_RX_SUCCESS;
 
-	rcu_read_lock();
-
 	if (static_key_false(&generic_xdp_needed)) {
-		int ret = do_xdp_generic(rcu_dereference(skb->dev->xdp_prog),
-					 skb);
+		int ret;
 
-		if (ret != XDP_PASS) {
-			rcu_read_unlock();
+		preempt_disable();
+		rcu_read_lock();
+		ret = do_xdp_generic(rcu_dereference(skb->dev->xdp_prog), skb);
+		rcu_read_unlock();
+		preempt_enable();
+
+		if (ret != XDP_PASS)
 			return NET_RX_DROP;
-		}
 	}
 
+	rcu_read_lock();
 #ifdef CONFIG_RPS
 	if (static_key_false(&rps_needed)) {
 		struct rps_dev_flow voidflow, *rflow = &voidflow;
diff --git a/net/core/filter.c b/net/core/filter.c
index 5912c738a7b272e3fb3eb1d66317fe2df9ce0c6d..3a50a9b021e208e40f9ac3846bdb93b9b917ad3d 100644
--- a/net/core/filter.c
+++ b/net/core/filter.c
@@ -1794,6 +1794,7 @@ struct redirect_info {
 	u32 flags;
 	struct bpf_map *map;
 	struct bpf_map *map_to_flush;
+	const struct bpf_prog *map_owner;
 };
 
 static DEFINE_PER_CPU(struct redirect_info, redirect_info);
@@ -1807,7 +1808,6 @@ BPF_CALL_2(bpf_redirect, u32, ifindex, u64, flags)
 
 	ri->ifindex = ifindex;
 	ri->flags = flags;
-	ri->map = NULL;
 
 	return TC_ACT_REDIRECT;
 }
@@ -2504,6 +2504,7 @@ static int xdp_do_redirect_map(struct net_device *dev, struct xdp_buff *xdp,
 			       struct bpf_prog *xdp_prog)
 {
 	struct redirect_info *ri = this_cpu_ptr(&redirect_info);
+	const struct bpf_prog *map_owner = ri->map_owner;
 	struct bpf_map *map = ri->map;
 	u32 index = ri->ifindex;
 	struct net_device *fwd;
@@ -2511,6 +2512,15 @@ static int xdp_do_redirect_map(struct net_device *dev, struct xdp_buff *xdp,
 
 	ri->ifindex = 0;
 	ri->map = NULL;
+	ri->map_owner = NULL;
+
+	/* This is really only caused by a deliberately crappy
+	 * BPF program, normally we would never hit that case,
+	 * so no need to inform someone via tracepoints either,
+	 * just bail out.
+	 */
+	if (unlikely(map_owner != xdp_prog))
+		return -EINVAL;
 
 	fwd = __dev_map_lookup_elem(map, index);
 	if (!fwd) {
@@ -2607,6 +2617,8 @@ BPF_CALL_2(bpf_xdp_redirect, u32, ifindex, u64, flags)
 
 	ri->ifindex = ifindex;
 	ri->flags = flags;
+	ri->map = NULL;
+	ri->map_owner = NULL;
 
 	return XDP_REDIRECT;
 }
@@ -2619,7 +2631,8 @@ static const struct bpf_func_proto bpf_xdp_redirect_proto = {
 	.arg2_type      = ARG_ANYTHING,
 };
 
-BPF_CALL_3(bpf_xdp_redirect_map, struct bpf_map *, map, u32, ifindex, u64, flags)
+BPF_CALL_4(bpf_xdp_redirect_map, struct bpf_map *, map, u32, ifindex, u64, flags,
+	   const struct bpf_prog *, map_owner)
 {
 	struct redirect_info *ri = this_cpu_ptr(&redirect_info);
 
@@ -2629,10 +2642,14 @@ BPF_CALL_3(bpf_xdp_redirect_map, struct bpf_map *, map, u32, ifindex, u64, flags
 	ri->ifindex = ifindex;
 	ri->flags = flags;
 	ri->map = map;
+	ri->map_owner = map_owner;
 
 	return XDP_REDIRECT;
 }
 
+/* Note, arg4 is hidden from users and populated by the verifier
+ * with the right pointer.
+ */
 static const struct bpf_func_proto bpf_xdp_redirect_map_proto = {
 	.func           = bpf_xdp_redirect_map,
 	.gpl_only       = false,
@@ -3592,7 +3609,11 @@ static bool xdp_is_valid_access(int off, int size,
 
 void bpf_warn_invalid_xdp_action(u32 act)
 {
-	WARN_ONCE(1, "Illegal XDP return value %u, expect packet loss\n", act);
+	const u32 act_max = XDP_REDIRECT;
+
+	WARN_ONCE(1, "%s XDP return value %u, expect packet loss!\n",
+		  act > act_max ? "Illegal" : "Driver unsupported",
+		  act);
 }
 EXPORT_SYMBOL_GPL(bpf_warn_invalid_xdp_action);
 
diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index 68065d7d383fa6bb477ac690a926d9d86db65bc9..16982de649b97b92423a4f9f5eac1e98ca803370 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -710,14 +710,11 @@ EXPORT_SYMBOL(consume_skb);
  *	consume_stateless_skb - free an skbuff, assuming it is stateless
  *	@skb: buffer to free
  *
- *	Works like consume_skb(), but this variant assumes that all the head
- *	states have been already dropped.
+ *	Alike consume_skb(), but this variant assumes that this is the last
+ *	skb reference and all the head states have been already dropped
  */
-void consume_stateless_skb(struct sk_buff *skb)
+void __consume_stateless_skb(struct sk_buff *skb)
 {
-	if (!skb_unref(skb))
-		return;
-
 	trace_consume_skb(skb);
 	skb_release_data(skb);
 	kfree_skbmem(skb);
diff --git a/net/ipv4/ip_tunnel.c b/net/ipv4/ip_tunnel.c
index 129d1a3616f838c9b487cf2392d1d9eb09dcfa5a..e1856bfa753da40a35a34bf71610ebc22059afc8 100644
--- a/net/ipv4/ip_tunnel.c
+++ b/net/ipv4/ip_tunnel.c
@@ -618,8 +618,8 @@ void ip_md_tunnel_xmit(struct sk_buff *skb, struct net_device *dev, u8 proto)
 		ip_rt_put(rt);
 		goto tx_dropped;
 	}
-	iptunnel_xmit(NULL, rt, skb, fl4.saddr, fl4.daddr, proto, key->tos,
-		      key->ttl, df, !net_eq(tunnel->net, dev_net(dev)));
+	iptunnel_xmit(NULL, rt, skb, fl4.saddr, fl4.daddr, proto, tos, ttl,
+		      df, !net_eq(tunnel->net, dev_net(dev)));
 	return;
 tx_error:
 	dev->stats.tx_errors++;
diff --git a/net/ipv4/netfilter/arp_tables.c b/net/ipv4/netfilter/arp_tables.c
index e04457198f939aa2805ebb86f3bfd61a496d363f..9e2770fd00be5eda1a633893c42b59378ab52f17 100644
--- a/net/ipv4/netfilter/arp_tables.c
+++ b/net/ipv4/netfilter/arp_tables.c
@@ -629,6 +629,7 @@ static void get_counters(const struct xt_table_info *t,
 
 			ADD_COUNTER(counters[i], bcnt, pcnt);
 			++i;
+			cond_resched();
 		}
 	}
 }
diff --git a/net/ipv4/netfilter/ip_tables.c b/net/ipv4/netfilter/ip_tables.c
index 576cba2b57e92753671c67b6df88e2cc67374cde..39286e543ee683fee9ee7d302d860ec3ee0ea104 100644
--- a/net/ipv4/netfilter/ip_tables.c
+++ b/net/ipv4/netfilter/ip_tables.c
@@ -776,6 +776,7 @@ get_counters(const struct xt_table_info *t,
 
 			ADD_COUNTER(counters[i], bcnt, pcnt);
 			++i; /* macro does multi eval of i */
+			cond_resched();
 		}
 	}
 }
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index a63486afa7a7e7b4dce88b65bc27cfa872a3ba2f..d9416b5162bc1bdd1acd34fcb4da21cb6b62d0ae 100644
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -1669,9 +1669,9 @@ int tcp_v4_rcv(struct sk_buff *skb)
 		 */
 		sock_hold(sk);
 		refcounted = true;
-		if (tcp_filter(sk, skb))
-			goto discard_and_relse;
-		nsk = tcp_check_req(sk, skb, req, false);
+		nsk = NULL;
+		if (!tcp_filter(sk, skb))
+			nsk = tcp_check_req(sk, skb, req, false);
 		if (!nsk) {
 			reqsk_put(req);
 			goto discard_and_relse;
diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
index db1c9e78c83c7fb0aba67114c5909c583e618a0a..ef29df8648e4d388547269fe6f972e8ab473419e 100644
--- a/net/ipv4/udp.c
+++ b/net/ipv4/udp.c
@@ -1397,12 +1397,15 @@ void skb_consume_udp(struct sock *sk, struct sk_buff *skb, int len)
 		unlock_sock_fast(sk, slow);
 	}
 
+	if (!skb_unref(skb))
+		return;
+
 	/* In the more common cases we cleared the head states previously,
 	 * see __udp_queue_rcv_skb().
 	 */
 	if (unlikely(udp_skb_has_head_state(skb)))
 		skb_release_head_state(skb);
-	consume_stateless_skb(skb);
+	__consume_stateless_skb(skb);
 }
 EXPORT_SYMBOL_GPL(skb_consume_udp);
 
diff --git a/net/ipv6/ip6_fib.c b/net/ipv6/ip6_fib.c
index a3b5c163325fa3448818c446c7de502eb4f5a9c8..e5308d7cbd75c4fb67861082382122d445cf5b74 100644
--- a/net/ipv6/ip6_fib.c
+++ b/net/ipv6/ip6_fib.c
@@ -191,6 +191,12 @@ void rt6_free_pcpu(struct rt6_info *non_pcpu_rt)
 }
 EXPORT_SYMBOL_GPL(rt6_free_pcpu);
 
+static void fib6_free_table(struct fib6_table *table)
+{
+	inetpeer_invalidate_tree(&table->tb6_peers);
+	kfree(table);
+}
+
 static void fib6_link_table(struct net *net, struct fib6_table *tb)
 {
 	unsigned int h;
@@ -2022,15 +2028,22 @@ static int __net_init fib6_net_init(struct net *net)
 
 static void fib6_net_exit(struct net *net)
 {
+	unsigned int i;
+
 	rt6_ifdown(net, NULL);
 	del_timer_sync(&net->ipv6.ip6_fib_timer);
 
-#ifdef CONFIG_IPV6_MULTIPLE_TABLES
-	inetpeer_invalidate_tree(&net->ipv6.fib6_local_tbl->tb6_peers);
-	kfree(net->ipv6.fib6_local_tbl);
-#endif
-	inetpeer_invalidate_tree(&net->ipv6.fib6_main_tbl->tb6_peers);
-	kfree(net->ipv6.fib6_main_tbl);
+	for (i = 0; i < FIB6_TABLE_HASHSZ; i++) {
+		struct hlist_head *head = &net->ipv6.fib_table_hash[i];
+		struct hlist_node *tmp;
+		struct fib6_table *tb;
+
+		hlist_for_each_entry_safe(tb, tmp, head, tb6_hlist) {
+			hlist_del(&tb->tb6_hlist);
+			fib6_free_table(tb);
+		}
+	}
+
 	kfree(net->ipv6.fib_table_hash);
 	kfree(net->ipv6.rt6_stats);
 	fib6_notifier_exit(net);
diff --git a/net/ipv6/ip6_gre.c b/net/ipv6/ip6_gre.c
index 67ff2aaf5dcbbe9f64482e2a251f061be8007770..b7a72d40933441f835708f55e2d8af371661a5fb 100644
--- a/net/ipv6/ip6_gre.c
+++ b/net/ipv6/ip6_gre.c
@@ -432,7 +432,9 @@ static void ip6gre_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
 		}
 		break;
 	case ICMPV6_PKT_TOOBIG:
-		mtu = be32_to_cpu(info) - offset;
+		mtu = be32_to_cpu(info) - offset - t->tun_hlen;
+		if (t->dev->type == ARPHRD_ETHER)
+			mtu -= ETH_HLEN;
 		if (mtu < IPV6_MIN_MTU)
 			mtu = IPV6_MIN_MTU;
 		t->dev->mtu = mtu;
diff --git a/net/ipv6/ip6_tunnel.c b/net/ipv6/ip6_tunnel.c
index 3a0ba2ae4b0f69659638b3e5521dcf9d4393dc75..10a693a19323a947a9cb36b407421243c17a8009 100644
--- a/net/ipv6/ip6_tunnel.c
+++ b/net/ipv6/ip6_tunnel.c
@@ -1184,6 +1184,7 @@ int ip6_tnl_xmit(struct sk_buff *skb, struct net_device *dev, __u8 dsfield,
 		init_tel_txopt(&opt, encap_limit);
 		ipv6_push_frag_opts(skb, &opt.ops, &proto);
 	}
+	hop_limit = hop_limit ? : ip6_dst_hoplimit(dst);
 
 	/* Calculate max headroom for all the headers and adjust
 	 * needed_headroom if necessary.
diff --git a/net/ipv6/netfilter/ip6_tables.c b/net/ipv6/netfilter/ip6_tables.c
index 54b1e75eded19ac065a4bf923a3370cd999c9f53..01bd3ee5ebc685f1c1735dfe375633d49c2c5437 100644
--- a/net/ipv6/netfilter/ip6_tables.c
+++ b/net/ipv6/netfilter/ip6_tables.c
@@ -795,6 +795,7 @@ get_counters(const struct xt_table_info *t,
 
 			ADD_COUNTER(counters[i], bcnt, pcnt);
 			++i;
+			cond_resched();
 		}
 	}
 }
diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c
index 38f76d8b231e3e5923ad72d05b8d320b6aeb850f..64d94afa427f81fd7a505b1cfd1c0be66c273810 100644
--- a/net/ipv6/tcp_ipv6.c
+++ b/net/ipv6/tcp_ipv6.c
@@ -1460,9 +1460,9 @@ static int tcp_v6_rcv(struct sk_buff *skb)
 		}
 		sock_hold(sk);
 		refcounted = true;
-		if (tcp_filter(sk, skb))
-			goto discard_and_relse;
-		nsk = tcp_check_req(sk, skb, req, false);
+		nsk = NULL;
+		if (!tcp_filter(sk, skb))
+			nsk = tcp_check_req(sk, skb, req, false);
 		if (!nsk) {
 			reqsk_put(req);
 			goto discard_and_relse;
diff --git a/net/mac80211/agg-rx.c b/net/mac80211/agg-rx.c
index 2b36eff5d97ea7c1cef117033c66dd35058ac4e7..2849a1fc41c5dbbe06a7e5c9fbb4ff6276c84394 100644
--- a/net/mac80211/agg-rx.c
+++ b/net/mac80211/agg-rx.c
@@ -245,10 +245,10 @@ static void ieee80211_send_addba_resp(struct ieee80211_sub_if_data *sdata, u8 *d
 	ieee80211_tx_skb(sdata, skb);
 }
 
-void __ieee80211_start_rx_ba_session(struct sta_info *sta,
-				     u8 dialog_token, u16 timeout,
-				     u16 start_seq_num, u16 ba_policy, u16 tid,
-				     u16 buf_size, bool tx, bool auto_seq)
+void ___ieee80211_start_rx_ba_session(struct sta_info *sta,
+				      u8 dialog_token, u16 timeout,
+				      u16 start_seq_num, u16 ba_policy, u16 tid,
+				      u16 buf_size, bool tx, bool auto_seq)
 {
 	struct ieee80211_local *local = sta->sdata->local;
 	struct tid_ampdu_rx *tid_agg_rx;
@@ -267,7 +267,7 @@ void __ieee80211_start_rx_ba_session(struct sta_info *sta,
 		ht_dbg(sta->sdata,
 		       "STA %pM requests BA session on unsupported tid %d\n",
 		       sta->sta.addr, tid);
-		goto end_no_lock;
+		goto end;
 	}
 
 	if (!sta->sta.ht_cap.ht_supported) {
@@ -275,14 +275,14 @@ void __ieee80211_start_rx_ba_session(struct sta_info *sta,
 		       "STA %pM erroneously requests BA session on tid %d w/o QoS\n",
 		       sta->sta.addr, tid);
 		/* send a response anyway, it's an error case if we get here */
-		goto end_no_lock;
+		goto end;
 	}
 
 	if (test_sta_flag(sta, WLAN_STA_BLOCK_BA)) {
 		ht_dbg(sta->sdata,
 		       "Suspend in progress - Denying ADDBA request (%pM tid %d)\n",
 		       sta->sta.addr, tid);
-		goto end_no_lock;
+		goto end;
 	}
 
 	/* sanity check for incoming parameters:
@@ -296,7 +296,7 @@ void __ieee80211_start_rx_ba_session(struct sta_info *sta,
 		ht_dbg_ratelimited(sta->sdata,
 				   "AddBA Req with bad params from %pM on tid %u. policy %d, buffer size %d\n",
 				   sta->sta.addr, tid, ba_policy, buf_size);
-		goto end_no_lock;
+		goto end;
 	}
 	/* determine default buffer size */
 	if (buf_size == 0)
@@ -311,7 +311,7 @@ void __ieee80211_start_rx_ba_session(struct sta_info *sta,
 	       buf_size, sta->sta.addr);
 
 	/* examine state machine */
-	mutex_lock(&sta->ampdu_mlme.mtx);
+	lockdep_assert_held(&sta->ampdu_mlme.mtx);
 
 	if (test_bit(tid, sta->ampdu_mlme.agg_session_valid)) {
 		if (sta->ampdu_mlme.tid_rx_token[tid] == dialog_token) {
@@ -415,15 +415,25 @@ void __ieee80211_start_rx_ba_session(struct sta_info *sta,
 		__clear_bit(tid, sta->ampdu_mlme.unexpected_agg);
 		sta->ampdu_mlme.tid_rx_token[tid] = dialog_token;
 	}
-	mutex_unlock(&sta->ampdu_mlme.mtx);
 
-end_no_lock:
 	if (tx)
 		ieee80211_send_addba_resp(sta->sdata, sta->sta.addr, tid,
 					  dialog_token, status, 1, buf_size,
 					  timeout);
 }
 
+void __ieee80211_start_rx_ba_session(struct sta_info *sta,
+				     u8 dialog_token, u16 timeout,
+				     u16 start_seq_num, u16 ba_policy, u16 tid,
+				     u16 buf_size, bool tx, bool auto_seq)
+{
+	mutex_lock(&sta->ampdu_mlme.mtx);
+	___ieee80211_start_rx_ba_session(sta, dialog_token, timeout,
+					 start_seq_num, ba_policy, tid,
+					 buf_size, tx, auto_seq);
+	mutex_unlock(&sta->ampdu_mlme.mtx);
+}
+
 void ieee80211_process_addba_request(struct ieee80211_local *local,
 				     struct sta_info *sta,
 				     struct ieee80211_mgmt *mgmt,
diff --git a/net/mac80211/agg-tx.c b/net/mac80211/agg-tx.c
index cbd48762256cb26a4f06efdd3ae91994f99f7a44..bef516ec47f94c19f57da37d80c744bb534deeb4 100644
--- a/net/mac80211/agg-tx.c
+++ b/net/mac80211/agg-tx.c
@@ -226,7 +226,11 @@ ieee80211_agg_start_txq(struct sta_info *sta, int tid, bool enable)
 		clear_bit(IEEE80211_TXQ_AMPDU, &txqi->flags);
 
 	clear_bit(IEEE80211_TXQ_STOP, &txqi->flags);
+	local_bh_disable();
+	rcu_read_lock();
 	drv_wake_tx_queue(sta->sdata->local, txqi);
+	rcu_read_unlock();
+	local_bh_enable();
 }
 
 /*
@@ -436,7 +440,7 @@ static void sta_addba_resp_timer_expired(unsigned long data)
 	    test_bit(HT_AGG_STATE_RESPONSE_RECEIVED, &tid_tx->state)) {
 		rcu_read_unlock();
 		ht_dbg(sta->sdata,
-		       "timer expired on %pM tid %d but we are not (or no longer) expecting addBA response there\n",
+		       "timer expired on %pM tid %d not expecting addBA response\n",
 		       sta->sta.addr, tid);
 		return;
 	}
@@ -639,7 +643,7 @@ int ieee80211_start_tx_ba_session(struct ieee80211_sta *pubsta, u16 tid,
 	    time_before(jiffies, sta->ampdu_mlme.last_addba_req_time[tid] +
 			HT_AGG_RETRIES_PERIOD)) {
 		ht_dbg(sdata,
-		       "BA request denied - waiting a grace period after %d failed requests on %pM tid %u\n",
+		       "BA request denied - %d failed requests on %pM tid %u\n",
 		       sta->ampdu_mlme.addba_req_num[tid], sta->sta.addr, tid);
 		ret = -EBUSY;
 		goto err_unlock_sta;
diff --git a/net/mac80211/ht.c b/net/mac80211/ht.c
index c92df492e8988ee55e5146acb715e5403ff135e3..d6d0b4201e40bf2eadc2ac7051192c7ca5551439 100644
--- a/net/mac80211/ht.c
+++ b/net/mac80211/ht.c
@@ -300,6 +300,24 @@ void ieee80211_sta_tear_down_BA_sessions(struct sta_info *sta,
 
 	/* stopping might queue the work again - so cancel only afterwards */
 	cancel_work_sync(&sta->ampdu_mlme.work);
+
+	/*
+	 * In case the tear down is part of a reconfigure due to HW restart
+	 * request, it is possible that the low level driver requested to stop
+	 * the BA session, so handle it to properly clean tid_tx data.
+	 */
+	mutex_lock(&sta->ampdu_mlme.mtx);
+	for (i = 0; i < IEEE80211_NUM_TIDS; i++) {
+		struct tid_ampdu_tx *tid_tx =
+			rcu_dereference_protected_tid_tx(sta, i);
+
+		if (!tid_tx)
+			continue;
+
+		if (test_and_clear_bit(HT_AGG_STATE_STOP_CB, &tid_tx->state))
+			ieee80211_stop_tx_ba_cb(sta, i, tid_tx);
+	}
+	mutex_unlock(&sta->ampdu_mlme.mtx);
 }
 
 void ieee80211_ba_session_work(struct work_struct *work)
@@ -333,9 +351,9 @@ void ieee80211_ba_session_work(struct work_struct *work)
 
 		if (test_and_clear_bit(tid,
 				       sta->ampdu_mlme.tid_rx_manage_offl))
-			__ieee80211_start_rx_ba_session(sta, 0, 0, 0, 1, tid,
-							IEEE80211_MAX_AMPDU_BUF,
-							false, true);
+			___ieee80211_start_rx_ba_session(sta, 0, 0, 0, 1, tid,
+							 IEEE80211_MAX_AMPDU_BUF,
+							 false, true);
 
 		if (test_and_clear_bit(tid + IEEE80211_NUM_TIDS,
 				       sta->ampdu_mlme.tid_rx_manage_offl))
diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index 2197c62a0a6e1166418123964f64d4f8487e88ea..9675814f64dbcc9807e69452e4ad93a4dfe42556 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -1760,6 +1760,10 @@ void __ieee80211_start_rx_ba_session(struct sta_info *sta,
 				     u8 dialog_token, u16 timeout,
 				     u16 start_seq_num, u16 ba_policy, u16 tid,
 				     u16 buf_size, bool tx, bool auto_seq);
+void ___ieee80211_start_rx_ba_session(struct sta_info *sta,
+				      u8 dialog_token, u16 timeout,
+				      u16 start_seq_num, u16 ba_policy, u16 tid,
+				      u16 buf_size, bool tx, bool auto_seq);
 void ieee80211_sta_tear_down_BA_sessions(struct sta_info *sta,
 					 enum ieee80211_agg_stop_reason reason);
 void ieee80211_process_delba(struct ieee80211_sub_if_data *sdata,
diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c
index 9228ac73c429921673bf2c058e821a07dcdfec92..f75029abf7286d54708b1739ee5faa89a43fe2ff 100644
--- a/net/mac80211/iface.c
+++ b/net/mac80211/iface.c
@@ -731,7 +731,8 @@ int ieee80211_do_open(struct wireless_dev *wdev, bool coming_up)
 	    sdata->vif.type == NL80211_IFTYPE_AP_VLAN ||
 	    local->ops->wake_tx_queue) {
 		/* XXX: for AP_VLAN, actually track AP queues */
-		netif_tx_start_all_queues(dev);
+		if (dev)
+			netif_tx_start_all_queues(dev);
 	} else if (dev) {
 		unsigned long flags;
 		int n_acs = IEEE80211_NUM_ACS;
@@ -792,6 +793,7 @@ static int ieee80211_open(struct net_device *dev)
 static void ieee80211_do_stop(struct ieee80211_sub_if_data *sdata,
 			      bool going_down)
 {
+	struct ieee80211_sub_if_data *txq_sdata = sdata;
 	struct ieee80211_local *local = sdata->local;
 	struct fq *fq = &local->fq;
 	unsigned long flags;
@@ -937,6 +939,9 @@ static void ieee80211_do_stop(struct ieee80211_sub_if_data *sdata,
 
 	switch (sdata->vif.type) {
 	case NL80211_IFTYPE_AP_VLAN:
+		txq_sdata = container_of(sdata->bss,
+					 struct ieee80211_sub_if_data, u.ap);
+
 		mutex_lock(&local->mtx);
 		list_del(&sdata->u.vlan.list);
 		mutex_unlock(&local->mtx);
@@ -1007,8 +1012,17 @@ static void ieee80211_do_stop(struct ieee80211_sub_if_data *sdata,
 	}
 	spin_unlock_irqrestore(&local->queue_stop_reason_lock, flags);
 
-	if (sdata->vif.txq) {
-		struct txq_info *txqi = to_txq_info(sdata->vif.txq);
+	if (txq_sdata->vif.txq) {
+		struct txq_info *txqi = to_txq_info(txq_sdata->vif.txq);
+
+		/*
+		 * FIXME FIXME
+		 *
+		 * We really shouldn't purge the *entire* txqi since that
+		 * contains frames for the other AP_VLANs (and possibly
+		 * the AP itself) as well, but there's no API in FQ now
+		 * to be able to filter.
+		 */
 
 		spin_lock_bh(&fq->lock);
 		ieee80211_txq_purge(local, txqi);
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index b588e593b0ec175a72251345174928b724e83838..3b8e2709d8dea14ba4711de7d7d5c6ed5b48473a 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -3155,7 +3155,7 @@ static void ieee80211_rx_mgmt_assoc_resp(struct ieee80211_sub_if_data *sdata,
 	if (len < 24 + 6)
 		return;
 
-	reassoc = ieee80211_is_reassoc_req(mgmt->frame_control);
+	reassoc = ieee80211_is_reassoc_resp(mgmt->frame_control);
 	capab_info = le16_to_cpu(mgmt->u.assoc_resp.capab_info);
 	status_code = le16_to_cpu(mgmt->u.assoc_resp.status_code);
 	aid = le16_to_cpu(mgmt->u.assoc_resp.aid);
diff --git a/net/mac80211/offchannel.c b/net/mac80211/offchannel.c
index f8e7a8bbc618727bada48c27d59bc01ed5a18498..faf4f60550001df531bd6b808fbafc8b74a28d30 100644
--- a/net/mac80211/offchannel.c
+++ b/net/mac80211/offchannel.c
@@ -707,6 +707,8 @@ static int ieee80211_cancel_roc(struct ieee80211_local *local,
 	if (!cookie)
 		return -ENOENT;
 
+	flush_work(&local->hw_roc_start);
+
 	mutex_lock(&local->mtx);
 	list_for_each_entry_safe(roc, tmp, &local->roc_list, list) {
 		if (!mgmt_tx && roc->cookie != cookie)
diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index 8858f4f185e90953d096ec28debc21f5dd2bc20d..94826680cf2b54e2a6254146856b495d0ba5e861 100644
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -1276,11 +1276,6 @@ static void ieee80211_set_skb_enqueue_time(struct sk_buff *skb)
 	IEEE80211_SKB_CB(skb)->control.enqueue_time = codel_get_time();
 }
 
-static void ieee80211_set_skb_vif(struct sk_buff *skb, struct txq_info *txqi)
-{
-	IEEE80211_SKB_CB(skb)->control.vif = txqi->txq.vif;
-}
-
 static u32 codel_skb_len_func(const struct sk_buff *skb)
 {
 	return skb->len;
@@ -3414,6 +3409,7 @@ struct sk_buff *ieee80211_tx_dequeue(struct ieee80211_hw *hw,
 	struct ieee80211_tx_info *info;
 	struct ieee80211_tx_data tx;
 	ieee80211_tx_result r;
+	struct ieee80211_vif *vif;
 
 	spin_lock_bh(&fq->lock);
 
@@ -3430,8 +3426,6 @@ struct sk_buff *ieee80211_tx_dequeue(struct ieee80211_hw *hw,
 	if (!skb)
 		goto out;
 
-	ieee80211_set_skb_vif(skb, txqi);
-
 	hdr = (struct ieee80211_hdr *)skb->data;
 	info = IEEE80211_SKB_CB(skb);
 
@@ -3488,6 +3482,34 @@ struct sk_buff *ieee80211_tx_dequeue(struct ieee80211_hw *hw,
 		}
 	}
 
+	switch (tx.sdata->vif.type) {
+	case NL80211_IFTYPE_MONITOR:
+		if (tx.sdata->u.mntr.flags & MONITOR_FLAG_ACTIVE) {
+			vif = &tx.sdata->vif;
+			break;
+		}
+		tx.sdata = rcu_dereference(local->monitor_sdata);
+		if (tx.sdata) {
+			vif = &tx.sdata->vif;
+			info->hw_queue =
+				vif->hw_queue[skb_get_queue_mapping(skb)];
+		} else if (ieee80211_hw_check(&local->hw, QUEUE_CONTROL)) {
+			ieee80211_free_txskb(&local->hw, skb);
+			goto begin;
+		} else {
+			vif = NULL;
+		}
+		break;
+	case NL80211_IFTYPE_AP_VLAN:
+		tx.sdata = container_of(tx.sdata->bss,
+					struct ieee80211_sub_if_data, u.ap);
+		/* fall through */
+	default:
+		vif = &tx.sdata->vif;
+		break;
+	}
+
+	IEEE80211_SKB_CB(skb)->control.vif = vif;
 out:
 	spin_unlock_bh(&fq->lock);
 
diff --git a/net/mac80211/util.c b/net/mac80211/util.c
index 259698de569ffa6a93c2738f85d6fd6af142eb9a..6aef6793d05236c19afe00a51f4ddc91bc060a39 100644
--- a/net/mac80211/util.c
+++ b/net/mac80211/util.c
@@ -1436,7 +1436,7 @@ static int ieee80211_build_preq_ies_band(struct ieee80211_local *local,
 			WLAN_EID_SSID_LIST,
 			WLAN_EID_CHANNEL_USAGE,
 			WLAN_EID_INTERWORKING,
-			/* mesh ID can't happen here */
+			WLAN_EID_MESH_ID,
 			/* 60 GHz can't happen here right now */
 		};
 		noffset = ieee80211_ie_split(ie, ie_len,
diff --git a/net/netfilter/core.c b/net/netfilter/core.c
index 04fe25abc5f66e2e892cb8d606846e46d5a0b7f1..52cd2901a097b3b468f1107d9d870260aaff11e3 100644
--- a/net/netfilter/core.c
+++ b/net/netfilter/core.c
@@ -215,7 +215,7 @@ static void *__nf_hook_entries_try_shrink(struct nf_hook_entries __rcu **pp)
 	if (skip == hook_entries)
 		goto out_assign;
 
-	if (WARN_ON(skip == 0))
+	if (skip == 0)
 		return NULL;
 
 	hook_entries -= skip;
diff --git a/net/netfilter/ipvs/ip_vs_proto_sctp.c b/net/netfilter/ipvs/ip_vs_proto_sctp.c
index e1efa446b305e711514671000d2de58c429ff00d..57c8ee66491eb8a66944afa3250396c36b11b218 100644
--- a/net/netfilter/ipvs/ip_vs_proto_sctp.c
+++ b/net/netfilter/ipvs/ip_vs_proto_sctp.c
@@ -24,9 +24,13 @@ sctp_conn_schedule(struct netns_ipvs *ipvs, int af, struct sk_buff *skb,
 		if (sh) {
 			sch = skb_header_pointer(skb, iph->len + sizeof(_sctph),
 						 sizeof(_schunkh), &_schunkh);
-			if (sch && (sch->type == SCTP_CID_INIT ||
-				    sysctl_sloppy_sctp(ipvs)))
+			if (sch) {
+				if (sch->type == SCTP_CID_ABORT ||
+				    !(sysctl_sloppy_sctp(ipvs) ||
+				      sch->type == SCTP_CID_INIT))
+					return 1;
 				ports = &sh->source;
+			}
 		}
 	} else {
 		ports = skb_header_pointer(
diff --git a/net/netfilter/nf_nat_core.c b/net/netfilter/nf_nat_core.c
index 40573aa6c133f884c88332e68f7b29b802a50c35..f393a7086025f6c5e16032baeed63fa1cffba168 100644
--- a/net/netfilter/nf_nat_core.c
+++ b/net/netfilter/nf_nat_core.c
@@ -30,19 +30,17 @@
 #include <net/netfilter/nf_conntrack_zones.h>
 #include <linux/netfilter/nf_nat.h>
 
+static spinlock_t nf_nat_locks[CONNTRACK_LOCKS];
+
 static DEFINE_MUTEX(nf_nat_proto_mutex);
 static const struct nf_nat_l3proto __rcu *nf_nat_l3protos[NFPROTO_NUMPROTO]
 						__read_mostly;
 static const struct nf_nat_l4proto __rcu **nf_nat_l4protos[NFPROTO_NUMPROTO]
 						__read_mostly;
 
-struct nf_nat_conn_key {
-	const struct net *net;
-	const struct nf_conntrack_tuple *tuple;
-	const struct nf_conntrack_zone *zone;
-};
-
-static struct rhltable nf_nat_bysource_table;
+static struct hlist_head *nf_nat_bysource __read_mostly;
+static unsigned int nf_nat_htable_size __read_mostly;
+static unsigned int nf_nat_hash_rnd __read_mostly;
 
 inline const struct nf_nat_l3proto *
 __nf_nat_l3proto_find(u8 family)
@@ -118,17 +116,19 @@ int nf_xfrm_me_harder(struct net *net, struct sk_buff *skb, unsigned int family)
 EXPORT_SYMBOL(nf_xfrm_me_harder);
 #endif /* CONFIG_XFRM */
 
-static u32 nf_nat_bysource_hash(const void *data, u32 len, u32 seed)
+/* We keep an extra hash for each conntrack, for fast searching. */
+static unsigned int
+hash_by_src(const struct net *n, const struct nf_conntrack_tuple *tuple)
 {
-	const struct nf_conntrack_tuple *t;
-	const struct nf_conn *ct = data;
+	unsigned int hash;
+
+	get_random_once(&nf_nat_hash_rnd, sizeof(nf_nat_hash_rnd));
 
-	t = &ct->tuplehash[IP_CT_DIR_ORIGINAL].tuple;
 	/* Original src, to ensure we map it consistently if poss. */
+	hash = jhash2((u32 *)&tuple->src, sizeof(tuple->src) / sizeof(u32),
+		      tuple->dst.protonum ^ nf_nat_hash_rnd ^ net_hash_mix(n));
 
-	seed ^= net_hash_mix(nf_ct_net(ct));
-	return jhash2((const u32 *)&t->src, sizeof(t->src) / sizeof(u32),
-		      t->dst.protonum ^ seed);
+	return reciprocal_scale(hash, nf_nat_htable_size);
 }
 
 /* Is this tuple already taken? (not by us) */
@@ -184,28 +184,6 @@ same_src(const struct nf_conn *ct,
 		t->src.u.all == tuple->src.u.all);
 }
 
-static int nf_nat_bysource_cmp(struct rhashtable_compare_arg *arg,
-			       const void *obj)
-{
-	const struct nf_nat_conn_key *key = arg->key;
-	const struct nf_conn *ct = obj;
-
-	if (!same_src(ct, key->tuple) ||
-	    !net_eq(nf_ct_net(ct), key->net) ||
-	    !nf_ct_zone_equal(ct, key->zone, IP_CT_DIR_ORIGINAL))
-		return 1;
-
-	return 0;
-}
-
-static struct rhashtable_params nf_nat_bysource_params = {
-	.head_offset = offsetof(struct nf_conn, nat_bysource),
-	.obj_hashfn = nf_nat_bysource_hash,
-	.obj_cmpfn = nf_nat_bysource_cmp,
-	.nelem_hint = 256,
-	.min_size = 1024,
-};
-
 /* Only called for SRC manip */
 static int
 find_appropriate_src(struct net *net,
@@ -216,26 +194,22 @@ find_appropriate_src(struct net *net,
 		     struct nf_conntrack_tuple *result,
 		     const struct nf_nat_range *range)
 {
+	unsigned int h = hash_by_src(net, tuple);
 	const struct nf_conn *ct;
-	struct nf_nat_conn_key key = {
-		.net = net,
-		.tuple = tuple,
-		.zone = zone
-	};
-	struct rhlist_head *hl, *h;
-
-	hl = rhltable_lookup(&nf_nat_bysource_table, &key,
-			     nf_nat_bysource_params);
-
-	rhl_for_each_entry_rcu(ct, h, hl, nat_bysource) {
-		nf_ct_invert_tuplepr(result,
-				     &ct->tuplehash[IP_CT_DIR_REPLY].tuple);
-		result->dst = tuple->dst;
 
-		if (in_range(l3proto, l4proto, result, range))
-			return 1;
+	hlist_for_each_entry_rcu(ct, &nf_nat_bysource[h], nat_bysource) {
+		if (same_src(ct, tuple) &&
+		    net_eq(net, nf_ct_net(ct)) &&
+		    nf_ct_zone_equal(ct, zone, IP_CT_DIR_ORIGINAL)) {
+			/* Copy source part from reply tuple. */
+			nf_ct_invert_tuplepr(result,
+				       &ct->tuplehash[IP_CT_DIR_REPLY].tuple);
+			result->dst = tuple->dst;
+
+			if (in_range(l3proto, l4proto, result, range))
+				return 1;
+		}
 	}
-
 	return 0;
 }
 
@@ -408,6 +382,7 @@ nf_nat_setup_info(struct nf_conn *ct,
 		  const struct nf_nat_range *range,
 		  enum nf_nat_manip_type maniptype)
 {
+	struct net *net = nf_ct_net(ct);
 	struct nf_conntrack_tuple curr_tuple, new_tuple;
 
 	/* Can't setup nat info for confirmed ct. */
@@ -416,7 +391,9 @@ nf_nat_setup_info(struct nf_conn *ct,
 
 	WARN_ON(maniptype != NF_NAT_MANIP_SRC &&
 		maniptype != NF_NAT_MANIP_DST);
-	BUG_ON(nf_nat_initialized(ct, maniptype));
+
+	if (WARN_ON(nf_nat_initialized(ct, maniptype)))
+		return NF_DROP;
 
 	/* What we've got will look like inverse of reply. Normally
 	 * this is what is in the conntrack, except for prior
@@ -447,19 +424,16 @@ nf_nat_setup_info(struct nf_conn *ct,
 	}
 
 	if (maniptype == NF_NAT_MANIP_SRC) {
-		struct nf_nat_conn_key key = {
-			.net = nf_ct_net(ct),
-			.tuple = &ct->tuplehash[IP_CT_DIR_ORIGINAL].tuple,
-			.zone = nf_ct_zone(ct),
-		};
-		int err;
-
-		err = rhltable_insert_key(&nf_nat_bysource_table,
-					  &key,
-					  &ct->nat_bysource,
-					  nf_nat_bysource_params);
-		if (err)
-			return NF_DROP;
+		unsigned int srchash;
+		spinlock_t *lock;
+
+		srchash = hash_by_src(net,
+				      &ct->tuplehash[IP_CT_DIR_ORIGINAL].tuple);
+		lock = &nf_nat_locks[srchash % ARRAY_SIZE(nf_nat_locks)];
+		spin_lock_bh(lock);
+		hlist_add_head_rcu(&ct->nat_bysource,
+				   &nf_nat_bysource[srchash]);
+		spin_unlock_bh(lock);
 	}
 
 	/* It's done. */
@@ -553,6 +527,16 @@ static int nf_nat_proto_remove(struct nf_conn *i, void *data)
 	return i->status & IPS_NAT_MASK ? 1 : 0;
 }
 
+static void __nf_nat_cleanup_conntrack(struct nf_conn *ct)
+{
+	unsigned int h;
+
+	h = hash_by_src(nf_ct_net(ct), &ct->tuplehash[IP_CT_DIR_ORIGINAL].tuple);
+	spin_lock_bh(&nf_nat_locks[h % ARRAY_SIZE(nf_nat_locks)]);
+	hlist_del_rcu(&ct->nat_bysource);
+	spin_unlock_bh(&nf_nat_locks[h % ARRAY_SIZE(nf_nat_locks)]);
+}
+
 static int nf_nat_proto_clean(struct nf_conn *ct, void *data)
 {
 	if (nf_nat_proto_remove(ct, data))
@@ -568,8 +552,7 @@ static int nf_nat_proto_clean(struct nf_conn *ct, void *data)
 	 * will delete entry from already-freed table.
 	 */
 	clear_bit(IPS_SRC_NAT_DONE_BIT, &ct->status);
-	rhltable_remove(&nf_nat_bysource_table, &ct->nat_bysource,
-			nf_nat_bysource_params);
+	__nf_nat_cleanup_conntrack(ct);
 
 	/* don't delete conntrack.  Although that would make things a lot
 	 * simpler, we'd end up flushing all conntracks on nat rmmod.
@@ -698,8 +681,7 @@ EXPORT_SYMBOL_GPL(nf_nat_l3proto_unregister);
 static void nf_nat_cleanup_conntrack(struct nf_conn *ct)
 {
 	if (ct->status & IPS_SRC_NAT_DONE)
-		rhltable_remove(&nf_nat_bysource_table, &ct->nat_bysource,
-				nf_nat_bysource_params);
+		__nf_nat_cleanup_conntrack(ct);
 }
 
 static struct nf_ct_ext_type nat_extend __read_mostly = {
@@ -821,19 +803,27 @@ static struct nf_ct_helper_expectfn follow_master_nat = {
 
 static int __init nf_nat_init(void)
 {
-	int ret;
+	int ret, i;
 
-	ret = rhltable_init(&nf_nat_bysource_table, &nf_nat_bysource_params);
-	if (ret)
-		return ret;
+	/* Leave them the same for the moment. */
+	nf_nat_htable_size = nf_conntrack_htable_size;
+	if (nf_nat_htable_size < ARRAY_SIZE(nf_nat_locks))
+		nf_nat_htable_size = ARRAY_SIZE(nf_nat_locks);
+
+	nf_nat_bysource = nf_ct_alloc_hashtable(&nf_nat_htable_size, 0);
+	if (!nf_nat_bysource)
+		return -ENOMEM;
 
 	ret = nf_ct_extend_register(&nat_extend);
 	if (ret < 0) {
-		rhltable_destroy(&nf_nat_bysource_table);
+		nf_ct_free_hashtable(nf_nat_bysource, nf_nat_htable_size);
 		printk(KERN_ERR "nf_nat_core: Unable to register extension\n");
 		return ret;
 	}
 
+	for (i = 0; i < ARRAY_SIZE(nf_nat_locks); i++)
+		spin_lock_init(&nf_nat_locks[i]);
+
 	nf_ct_helper_expectfn_register(&follow_master_nat);
 
 	BUG_ON(nfnetlink_parse_nat_setup_hook != NULL);
@@ -863,8 +853,8 @@ static void __exit nf_nat_cleanup(void)
 
 	for (i = 0; i < NFPROTO_NUMPROTO; i++)
 		kfree(nf_nat_l4protos[i]);
-
-	rhltable_destroy(&nf_nat_bysource_table);
+	synchronize_net();
+	nf_ct_free_hashtable(nf_nat_bysource, nf_nat_htable_size);
 }
 
 MODULE_LICENSE("GPL");
diff --git a/net/netfilter/xt_hashlimit.c b/net/netfilter/xt_hashlimit.c
index 10d48234f5f4c759ff03e2b4d262bbd3619594a1..5da8746f7b88ff4c9446f256e542e823a6a561b0 100644
--- a/net/netfilter/xt_hashlimit.c
+++ b/net/netfilter/xt_hashlimit.c
@@ -35,6 +35,7 @@
 #include <linux/netfilter_ipv6/ip6_tables.h>
 #include <linux/netfilter/xt_hashlimit.h>
 #include <linux/mutex.h>
+#include <linux/kernel.h>
 
 MODULE_LICENSE("GPL");
 MODULE_AUTHOR("Harald Welte <laforge@netfilter.org>");
@@ -279,7 +280,7 @@ static int htable_create(struct net *net, struct hashlimit_cfg3 *cfg,
 		size = cfg->size;
 	} else {
 		size = (totalram_pages << PAGE_SHIFT) / 16384 /
-		       sizeof(struct list_head);
+		       sizeof(struct hlist_head);
 		if (totalram_pages > 1024 * 1024 * 1024 / PAGE_SIZE)
 			size = 8192;
 		if (size < 16)
@@ -287,7 +288,7 @@ static int htable_create(struct net *net, struct hashlimit_cfg3 *cfg,
 	}
 	/* FIXME: don't use vmalloc() here or anywhere else -HW */
 	hinfo = vmalloc(sizeof(struct xt_hashlimit_htable) +
-	                sizeof(struct list_head) * size);
+	                sizeof(struct hlist_head) * size);
 	if (hinfo == NULL)
 		return -ENOMEM;
 	*out_hinfo = hinfo;
@@ -527,12 +528,12 @@ static u64 user2rate(u64 user)
 	}
 }
 
-static u64 user2rate_bytes(u64 user)
+static u64 user2rate_bytes(u32 user)
 {
 	u64 r;
 
-	r = user ? 0xFFFFFFFFULL / user : 0xFFFFFFFFULL;
-	r = (r - 1) << 4;
+	r = user ? U32_MAX / user : U32_MAX;
+	r = (r - 1) << XT_HASHLIMIT_BYTE_SHIFT;
 	return r;
 }
 
@@ -588,7 +589,8 @@ static void rateinfo_init(struct dsthash_ent *dh,
 		dh->rateinfo.prev_window = 0;
 		dh->rateinfo.current_rate = 0;
 		if (hinfo->cfg.mode & XT_HASHLIMIT_BYTES) {
-			dh->rateinfo.rate = user2rate_bytes(hinfo->cfg.avg);
+			dh->rateinfo.rate =
+				user2rate_bytes((u32)hinfo->cfg.avg);
 			if (hinfo->cfg.burst)
 				dh->rateinfo.burst =
 					hinfo->cfg.burst * dh->rateinfo.rate;
@@ -870,7 +872,7 @@ static int hashlimit_mt_check_common(const struct xt_mtchk_param *par,
 
 	/* Check for overflow. */
 	if (revision >= 3 && cfg->mode & XT_HASHLIMIT_RATE_MATCH) {
-		if (cfg->avg == 0) {
+		if (cfg->avg == 0 || cfg->avg > U32_MAX) {
 			pr_info("hashlimit invalid rate\n");
 			return -ERANGE;
 		}
diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c
index 5acee49db90b508cb99660dc0677a44da691640e..327807731b441e8f66bc899cced12edb405687e8 100644
--- a/net/netlink/af_netlink.c
+++ b/net/netlink/af_netlink.c
@@ -691,6 +691,9 @@ static void deferred_put_nlk_sk(struct rcu_head *head)
 	struct netlink_sock *nlk = container_of(head, struct netlink_sock, rcu);
 	struct sock *sk = &nlk->sk;
 
+	kfree(nlk->groups);
+	nlk->groups = NULL;
+
 	if (!refcount_dec_and_test(&sk->sk_refcnt))
 		return;
 
@@ -769,9 +772,6 @@ static int netlink_release(struct socket *sock)
 		netlink_table_ungrab();
 	}
 
-	kfree(nlk->groups);
-	nlk->groups = NULL;
-
 	local_bh_disable();
 	sock_prot_inuse_add(sock_net(sk), &netlink_proto, -1);
 	local_bh_enable();
@@ -955,7 +955,7 @@ static int netlink_bind(struct socket *sock, struct sockaddr *addr,
 	struct net *net = sock_net(sk);
 	struct netlink_sock *nlk = nlk_sk(sk);
 	struct sockaddr_nl *nladdr = (struct sockaddr_nl *)addr;
-	int err;
+	int err = 0;
 	long unsigned int groups = nladdr->nl_groups;
 	bool bound;
 
@@ -983,6 +983,7 @@ static int netlink_bind(struct socket *sock, struct sockaddr *addr,
 			return -EINVAL;
 	}
 
+	netlink_lock_table();
 	if (nlk->netlink_bind && groups) {
 		int group;
 
@@ -993,7 +994,7 @@ static int netlink_bind(struct socket *sock, struct sockaddr *addr,
 			if (!err)
 				continue;
 			netlink_undo_bind(group, groups, sk);
-			return err;
+			goto unlock;
 		}
 	}
 
@@ -1006,12 +1007,13 @@ static int netlink_bind(struct socket *sock, struct sockaddr *addr,
 			netlink_autobind(sock);
 		if (err) {
 			netlink_undo_bind(nlk->ngroups, groups, sk);
-			return err;
+			goto unlock;
 		}
 	}
 
 	if (!groups && (nlk->groups == NULL || !(u32)nlk->groups[0]))
-		return 0;
+		goto unlock;
+	netlink_unlock_table();
 
 	netlink_table_grab();
 	netlink_update_subscriptions(sk, nlk->subscriptions +
@@ -1022,6 +1024,10 @@ static int netlink_bind(struct socket *sock, struct sockaddr *addr,
 	netlink_table_ungrab();
 
 	return 0;
+
+unlock:
+	netlink_unlock_table();
+	return err;
 }
 
 static int netlink_connect(struct socket *sock, struct sockaddr *addr,
@@ -1079,7 +1085,9 @@ static int netlink_getname(struct socket *sock, struct sockaddr *addr,
 		nladdr->nl_groups = netlink_group_mask(nlk->dst_group);
 	} else {
 		nladdr->nl_pid = nlk->portid;
+		netlink_lock_table();
 		nladdr->nl_groups = nlk->groups ? nlk->groups[0] : 0;
+		netlink_unlock_table();
 	}
 	return 0;
 }
diff --git a/net/rds/send.c b/net/rds/send.c
index 058a407430416c259873d7a1d0fd96edeeef504a..b52cdc8ae428819a5853509a06852ec2ebc43a5a 100644
--- a/net/rds/send.c
+++ b/net/rds/send.c
@@ -428,14 +428,18 @@ int rds_send_xmit(struct rds_conn_path *cp)
 	 * some work and we will skip our goto
 	 */
 	if (ret == 0) {
+		bool raced;
+
 		smp_mb();
+		raced = send_gen != READ_ONCE(cp->cp_send_gen);
+
 		if ((test_bit(0, &conn->c_map_queued) ||
-		     !list_empty(&cp->cp_send_queue)) &&
-			send_gen == READ_ONCE(cp->cp_send_gen)) {
-			rds_stats_inc(s_send_lock_queue_raced);
+		    !list_empty(&cp->cp_send_queue)) && !raced) {
 			if (batch_count < send_batch_count)
 				goto restart;
 			queue_delayed_work(rds_wq, &cp->cp_send_w, 1);
+		} else if (raced) {
+			rds_stats_inc(s_send_lock_queue_raced);
 		}
 	}
 out:
diff --git a/net/sched/cls_api.c b/net/sched/cls_api.c
index ea6c65fd5fc5fa31669191470d963bc851822a00..c743f03cfebd1cb274cd0e80046591d38ee56700 100644
--- a/net/sched/cls_api.c
+++ b/net/sched/cls_api.c
@@ -182,7 +182,7 @@ static struct tcf_chain *tcf_chain_create(struct tcf_block *block,
 	list_add_tail(&chain->list, &block->chain_list);
 	chain->block = block;
 	chain->index = chain_index;
-	chain->refcnt = 1;
+	chain->refcnt = 0;
 	return chain;
 }
 
@@ -217,15 +217,15 @@ struct tcf_chain *tcf_chain_get(struct tcf_block *block, u32 chain_index,
 	struct tcf_chain *chain;
 
 	list_for_each_entry(chain, &block->chain_list, list) {
-		if (chain->index == chain_index) {
-			chain->refcnt++;
-			return chain;
-		}
+		if (chain->index == chain_index)
+			goto incref;
 	}
-	if (create)
-		return tcf_chain_create(block, chain_index);
-	else
-		return NULL;
+	chain = create ? tcf_chain_create(block, chain_index) : NULL;
+
+incref:
+	if (chain)
+		chain->refcnt++;
+	return chain;
 }
 EXPORT_SYMBOL(tcf_chain_get);
 
diff --git a/net/sched/sch_prio.c b/net/sched/sch_prio.c
index f31b28f788c008c570a194501227f628bc15643d..2dd6c68ae91eefe2f4e61b40f833f136c7576871 100644
--- a/net/sched/sch_prio.c
+++ b/net/sched/sch_prio.c
@@ -80,7 +80,7 @@ prio_enqueue(struct sk_buff *skb, struct Qdisc *sch, struct sk_buff **to_free)
 
 		if (ret & __NET_XMIT_BYPASS)
 			qdisc_qstats_drop(sch);
-		kfree_skb(skb);
+		__qdisc_drop(skb, to_free);
 		return ret;
 	}
 #endif
diff --git a/net/sched/sch_qfq.c b/net/sched/sch_qfq.c
index cd661a7f81e6db4252f1b3a9b4da4adae2728248..6ddfd4991108ad9de057a22175d87f667c24f370 100644
--- a/net/sched/sch_qfq.c
+++ b/net/sched/sch_qfq.c
@@ -1215,7 +1215,7 @@ static int qfq_enqueue(struct sk_buff *skb, struct Qdisc *sch,
 	if (cl == NULL) {
 		if (err & __NET_XMIT_BYPASS)
 			qdisc_qstats_drop(sch);
-		kfree_skb(skb);
+		__qdisc_drop(skb, to_free);
 		return err;
 	}
 	pr_debug("qfq_enqueue: cl = %x\n", cl->common.classid);
diff --git a/net/sctp/ulpqueue.c b/net/sctp/ulpqueue.c
index 0225d62a869f8deff10565c4625df0a10464ce87..a71be33f3afeb0aaaef174ee082c4c547aab1e2d 100644
--- a/net/sctp/ulpqueue.c
+++ b/net/sctp/ulpqueue.c
@@ -265,7 +265,8 @@ int sctp_ulpq_tail_event(struct sctp_ulpq *ulpq, struct sctp_ulpevent *event)
 		sctp_ulpq_clear_pd(ulpq);
 
 	if (queue == &sk->sk_receive_queue && !sp->data_ready_signalled) {
-		sp->data_ready_signalled = 1;
+		if (!sock_owned_by_user(sk))
+			sp->data_ready_signalled = 1;
 		sk->sk_data_ready(sk);
 	}
 	return 1;
diff --git a/net/tipc/bearer.c b/net/tipc/bearer.c
index ac1d66d7e1fdddcfc53e2251e542c0c8e28ef6d8..47ec121574ce4ef95850f688d85b50eff766a710 100644
--- a/net/tipc/bearer.c
+++ b/net/tipc/bearer.c
@@ -637,7 +637,7 @@ static int tipc_l2_device_event(struct notifier_block *nb, unsigned long evt,
 		break;
 	case NETDEV_UNREGISTER:
 	case NETDEV_CHANGENAME:
-		bearer_disable(dev_net(dev), b);
+		bearer_disable(net, b);
 		break;
 	}
 	return NOTIFY_OK;
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index 8ce85420ecb0a7e45567c9c576c6bb9691eb267d..0df8023f480bb69feb4cc2d3e0df6ea95f384e1a 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -3791,8 +3791,8 @@ static void nl80211_check_ap_rate_selectors(struct cfg80211_ap_settings *params,
 static void nl80211_calculate_ap_params(struct cfg80211_ap_settings *params)
 {
 	const struct cfg80211_beacon_data *bcn = &params->beacon;
-	size_t ies_len = bcn->beacon_ies_len;
-	const u8 *ies = bcn->beacon_ies;
+	size_t ies_len = bcn->tail_len;
+	const u8 *ies = bcn->tail;
 	const u8 *rates;
 	const u8 *cap;
 
diff --git a/net/wireless/reg.c b/net/wireless/reg.c
index 5fae296a6a583256f9874319dfaa9ee87e977fff..6e94f6934a0e7a47fbac086586701d07c9bb5487 100644
--- a/net/wireless/reg.c
+++ b/net/wireless/reg.c
@@ -4,6 +4,7 @@
  * Copyright 2007	Johannes Berg <johannes@sipsolutions.net>
  * Copyright 2008-2011	Luis R. Rodriguez <mcgrof@qca.qualcomm.com>
  * Copyright 2013-2014  Intel Mobile Communications GmbH
+ * Copyright      2017  Intel Deutschland GmbH
  *
  * Permission to use, copy, modify, and/or distribute this software for any
  * purpose with or without fee is hereby granted, provided that the above
@@ -1483,7 +1484,9 @@ static void reg_process_ht_flags_channel(struct wiphy *wiphy,
 {
 	struct ieee80211_supported_band *sband = wiphy->bands[channel->band];
 	struct ieee80211_channel *channel_before = NULL, *channel_after = NULL;
+	const struct ieee80211_regdomain *regd;
 	unsigned int i;
+	u32 flags;
 
 	if (!is_ht40_allowed(channel)) {
 		channel->flags |= IEEE80211_CHAN_NO_HT40;
@@ -1503,17 +1506,30 @@ static void reg_process_ht_flags_channel(struct wiphy *wiphy,
 			channel_after = c;
 	}
 
+	flags = 0;
+	regd = get_wiphy_regdom(wiphy);
+	if (regd) {
+		const struct ieee80211_reg_rule *reg_rule =
+			freq_reg_info_regd(MHZ_TO_KHZ(channel->center_freq),
+					   regd, MHZ_TO_KHZ(20));
+
+		if (!IS_ERR(reg_rule))
+			flags = reg_rule->flags;
+	}
+
 	/*
 	 * Please note that this assumes target bandwidth is 20 MHz,
 	 * if that ever changes we also need to change the below logic
 	 * to include that as well.
 	 */
-	if (!is_ht40_allowed(channel_before))
+	if (!is_ht40_allowed(channel_before) ||
+	    flags & NL80211_RRF_NO_HT40MINUS)
 		channel->flags |= IEEE80211_CHAN_NO_HT40MINUS;
 	else
 		channel->flags &= ~IEEE80211_CHAN_NO_HT40MINUS;
 
-	if (!is_ht40_allowed(channel_after))
+	if (!is_ht40_allowed(channel_after) ||
+	    flags & NL80211_RRF_NO_HT40PLUS)
 		channel->flags |= IEEE80211_CHAN_NO_HT40PLUS;
 	else
 		channel->flags &= ~IEEE80211_CHAN_NO_HT40PLUS;
diff --git a/tools/testing/selftests/bpf/test_maps.c b/tools/testing/selftests/bpf/test_maps.c
index 4acc772a28c0a72026c583b809f192fb81f97f79..fe3a443a110228efb99bc893d2f0820cd03e6763 100644
--- a/tools/testing/selftests/bpf/test_maps.c
+++ b/tools/testing/selftests/bpf/test_maps.c
@@ -558,7 +558,7 @@ static void test_sockmap(int tasks, void *data)
 		}
 	}
 
-	/* Test attaching bad fds */
+	/* Test attaching/detaching bad fds */
 	err = bpf_prog_attach(-1, fd, BPF_SK_SKB_STREAM_PARSER, 0);
 	if (!err) {
 		printf("Failed invalid parser prog attach\n");
@@ -571,6 +571,30 @@ static void test_sockmap(int tasks, void *data)
 		goto out_sockmap;
 	}
 
+	err = bpf_prog_attach(-1, fd, __MAX_BPF_ATTACH_TYPE, 0);
+	if (!err) {
+		printf("Failed unknown prog attach\n");
+		goto out_sockmap;
+	}
+
+	err = bpf_prog_detach(fd, BPF_SK_SKB_STREAM_PARSER);
+	if (err) {
+		printf("Failed empty parser prog detach\n");
+		goto out_sockmap;
+	}
+
+	err = bpf_prog_detach(fd, BPF_SK_SKB_STREAM_VERDICT);
+	if (err) {
+		printf("Failed empty verdict prog detach\n");
+		goto out_sockmap;
+	}
+
+	err = bpf_prog_detach(fd, __MAX_BPF_ATTACH_TYPE);
+	if (!err) {
+		printf("Detach invalid prog successful\n");
+		goto out_sockmap;
+	}
+
 	/* Load SK_SKB program and Attach */
 	err = bpf_prog_load(SOCKMAP_PARSE_PROG,
 			    BPF_PROG_TYPE_SK_SKB, &obj, &parse_prog);
@@ -643,6 +667,13 @@ static void test_sockmap(int tasks, void *data)
 		goto out_sockmap;
 	}
 
+	err = bpf_prog_attach(verdict_prog, map_fd_rx,
+			      __MAX_BPF_ATTACH_TYPE, 0);
+	if (!err) {
+		printf("Attached unknown bpf prog\n");
+		goto out_sockmap;
+	}
+
 	/* Test map update elem afterwards fd lives in fd and map_fd */
 	for (i = 0; i < 6; i++) {
 		err = bpf_map_update_elem(map_fd_rx, &i, &sfd[i], BPF_ANY);
@@ -809,6 +840,24 @@ static void test_sockmap(int tasks, void *data)
 		assert(status == 0);
 	}
 
+	err = bpf_prog_detach(map_fd_rx, __MAX_BPF_ATTACH_TYPE);
+	if (!err) {
+		printf("Detached an invalid prog type.\n");
+		goto out_sockmap;
+	}
+
+	err = bpf_prog_detach(map_fd_rx, BPF_SK_SKB_STREAM_PARSER);
+	if (err) {
+		printf("Failed parser prog detach\n");
+		goto out_sockmap;
+	}
+
+	err = bpf_prog_detach(map_fd_rx, BPF_SK_SKB_STREAM_VERDICT);
+	if (err) {
+		printf("Failed parser prog detach\n");
+		goto out_sockmap;
+	}
+
 	/* Test map close sockets */
 	for (i = 0; i < 6; i++)
 		close(sfd[i]);