21 files changed, 302 insertions, 179 deletions

diff --git a/arch/arm/boot/dts/am33xx.dtsi b/arch/arm/boot/dts/am33xx.dtsi
index abe530f..8318105 100644
--- a/arch/arm/boot/dts/am33xx.dtsi
+++ b/arch/arm/boot/dts/am33xx.dtsi
@@ -132,6 +132,11 @@
 			};
 		};
 
+		cm: syscon@44e10000 {
+			compatible = "ti,am33xx-controlmodule", "syscon";
+			reg = <0x44e10000 0x800>;
+		};
+
 		intc: interrupt-controller@48200000 {
 			compatible = "ti,am33xx-intc";
 			interrupt-controller;
@@ -699,6 +704,7 @@
 			 */
 			interrupts = <40 41 42 43>;
 			ranges;
+			syscon = <&cm>;
 			status = "disabled";
 
 			davinci_mdio: mdio@4a101000 {
diff --git a/arch/arm/boot/dts/berlin2q-marvell-dmp.dts b/arch/arm/boot/dts/berlin2q-marvell-dmp.dts
index a357ce0..ea1f99b 100644
--- a/arch/arm/boot/dts/berlin2q-marvell-dmp.dts
+++ b/arch/arm/boot/dts/berlin2q-marvell-dmp.dts
@@ -45,3 +45,7 @@
 &uart0 {
 	status = "okay";
 };
+
+&eth0 {
+	status = "okay";
+};
diff --git a/arch/arm/boot/dts/berlin2q.dtsi b/arch/arm/boot/dts/berlin2q.dtsi
index 400c40f..891d56b 100644
--- a/arch/arm/boot/dts/berlin2q.dtsi
+++ b/arch/arm/boot/dts/berlin2q.dtsi
@@ -114,6 +114,23 @@
 			#interrupt-cells = <3>;
 		};
 
+		eth0: ethernet@b90000 {
+			compatible = "marvell,pxa168-eth";
+			reg = <0xb90000 0x10000>;
+			clocks = <&chip CLKID_GETH0>;
+			interrupts = <GIC_SPI 24 IRQ_TYPE_LEVEL_HIGH>;
+			/* set by bootloader */
+			local-mac-address = [00 00 00 00 00 00];
+			#address-cells = <1>;
+			#size-cells = <0>;
+			phy-handle = <&ethphy0>;
+			status = "disabled";
+
+			ethphy0: ethernet-phy@0 {
+				reg = <0>;
+			};
+		};
+
 		cpu-ctrl@dd0000 {
 			compatible = "marvell,berlin-cpu-ctrl";
 			reg = <0xdd0000 0x10000>;
diff --git a/arch/arm/boot/dts/imx6sx.dtsi b/arch/arm/boot/dts/imx6sx.dtsi
index 888dd76..f3e88c0 100644
--- a/arch/arm/boot/dts/imx6sx.dtsi
+++ b/arch/arm/boot/dts/imx6sx.dtsi
@@ -779,6 +779,8 @@
 					 <&clks IMX6SX_CLK_ENET_PTP>;
 				clock-names = "ipg", "ahb", "ptp",
 					      "enet_clk_ref", "enet_out";
+				fsl,num-tx-queues=<3>;
+				fsl,num-rx-queues=<3>;
 				status = "disabled";
                         };
 
diff --git a/arch/arm/boot/dts/rk3188-radxarock.dts b/arch/arm/boot/dts/rk3188-radxarock.dts
index 39f66e3..15910c9 100644
--- a/arch/arm/boot/dts/rk3188-radxarock.dts
+++ b/arch/arm/boot/dts/rk3188-radxarock.dts
@@ -102,6 +102,22 @@
 	};
 };
 
+&emac {
+	status = "okay";
+
+	pinctrl-names = "default";
+	pinctrl-0 = <&emac_xfer>, <&emac_mdio>, <&phy_int>;
+
+	phy = <&phy0>;
+	phy-supply = <&vcc_rmii>;
+
+	phy0: ethernet-phy@0 {
+		reg = <0>;
+		interrupt-parent = <&gpio3>;
+		interrupts = <26 IRQ_TYPE_LEVEL_LOW>;
+	};
+};
+
 &i2c1 {
 	status = "okay";
 	clock-frequency = <400000>;
@@ -240,6 +256,12 @@
 		};
 	};
 
+	lan8720a  {
+		phy_int: phy-int {
+			rockchip,pins = <RK_GPIO3 26 RK_FUNC_GPIO &pcfg_pull_up>;
+		};
+	};
+
 	ir-receiver {
 		ir_recv_pin: ir-recv-pin {
 			rockchip,pins = <RK_GPIO0 10 RK_FUNC_GPIO &pcfg_pull_none>;
diff --git a/arch/arm/boot/dts/rk3188.dtsi b/arch/arm/boot/dts/rk3188.dtsi
index 82732f5..ddaada7 100644
--- a/arch/arm/boot/dts/rk3188.dtsi
+++ b/arch/arm/boot/dts/rk3188.dtsi
@@ -168,6 +168,24 @@
 			 */
 		};
 
+		emac {
+			emac_xfer: emac-xfer {
+				rockchip,pins = <RK_GPIO3 16 RK_FUNC_2 &pcfg_pull_none>, /* tx_en */
+						<RK_GPIO3 17 RK_FUNC_2 &pcfg_pull_none>, /* txd1 */
+						<RK_GPIO3 18 RK_FUNC_2 &pcfg_pull_none>, /* txd0 */
+						<RK_GPIO3 19 RK_FUNC_2 &pcfg_pull_none>, /* rxd0 */
+						<RK_GPIO3 20 RK_FUNC_2 &pcfg_pull_none>, /* rxd1 */
+						<RK_GPIO3 21 RK_FUNC_2 &pcfg_pull_none>, /* mac_clk */
+						<RK_GPIO3 22 RK_FUNC_2 &pcfg_pull_none>, /* rx_err */
+						<RK_GPIO3 23 RK_FUNC_2 &pcfg_pull_none>; /* crs_dvalid */
+			};
+
+			emac_mdio: emac-mdio {
+				rockchip,pins = <RK_GPIO3 24 RK_FUNC_2 &pcfg_pull_none>,
+						<RK_GPIO3 25 RK_FUNC_2 &pcfg_pull_none>;
+			};
+		};
+
 		i2c0 {
 			i2c0_xfer: i2c0-xfer {
 				rockchip,pins = <RK_GPIO1 24 RK_FUNC_1 &pcfg_pull_none>,
@@ -380,6 +398,10 @@
 	};
 };
 
+&emac {
+	compatible = "rockchip,rk3188-emac";
+};
+
 &global_timer {
 	interrupts = <GIC_PPI 11 0xf04>;
 };
diff --git a/arch/arm/boot/dts/rk3xxx.dtsi b/arch/arm/boot/dts/rk3xxx.dtsi
index 7332d12..499468d 100644
--- a/arch/arm/boot/dts/rk3xxx.dtsi
+++ b/arch/arm/boot/dts/rk3xxx.dtsi
@@ -152,6 +152,23 @@
 		status = "disabled";
 	};
 
+	emac: ethernet@10204000 {
+		compatible = "snps,arc-emac";
+		reg = <0x10204000 0x3c>;
+		interrupts = <GIC_SPI 19 IRQ_TYPE_LEVEL_HIGH>;
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		rockchip,grf = <&grf>;
+
+		clocks = <&cru HCLK_EMAC>, <&cru SCLK_MAC>;
+		clock-names = "hclk", "macref";
+		max-speed = <100>;
+		phy-mode = "rmii";
+
+		status = "disabled";
+	};
+
 	mmc0: dwmmc@10214000 {
 		compatible = "rockchip,rk2928-dw-mshc";
 		reg = <0x10214000 0x1000>;
diff --git a/arch/arm/net/bpf_jit_32.c b/arch/arm/net/bpf_jit_32.c
index a37b989..e1268f9 100644
--- a/arch/arm/net/bpf_jit_32.c
+++ b/arch/arm/net/bpf_jit_32.c
@@ -12,11 +12,11 @@
 #include <linux/compiler.h>
 #include <linux/errno.h>
 #include <linux/filter.h>
-#include <linux/moduleloader.h>
 #include <linux/netdevice.h>
 #include <linux/string.h>
 #include <linux/slab.h>
 #include <linux/if_vlan.h>
+
 #include <asm/cacheflush.h>
 #include <asm/hwcap.h>
 #include <asm/opcodes.h>
@@ -174,6 +174,14 @@ static inline bool is_load_to_a(u16 inst)
 	}
 }
 
+static void jit_fill_hole(void *area, unsigned int size)
+{
+	u32 *ptr;
+	/* We are guaranteed to have aligned memory. */
+	for (ptr = area; size >= sizeof(u32); size -= sizeof(u32))
+		*ptr++ = __opcode_to_mem_arm(ARM_INST_UDF);
+}
+
 static void build_prologue(struct jit_ctx *ctx)
 {
 	u16 reg_set = saved_regs(ctx);
@@ -859,9 +867,11 @@ b_epilogue:
 
 void bpf_jit_compile(struct bpf_prog *fp)
 {
+	struct bpf_binary_header *header;
 	struct jit_ctx ctx;
 	unsigned tmp_idx;
 	unsigned alloc_size;
+	u8 *target_ptr;
 
 	if (!bpf_jit_enable)
 		return;
@@ -897,13 +907,15 @@ void bpf_jit_compile(struct bpf_prog *fp)
 	/* there's nothing after the epilogue on ARMv7 */
 	build_epilogue(&ctx);
 #endif
-
 	alloc_size = 4 * ctx.idx;
-	ctx.target = module_alloc(alloc_size);
-	if (unlikely(ctx.target == NULL))
+	header = bpf_jit_binary_alloc(alloc_size, &target_ptr,
+				      4, jit_fill_hole);
+	if (header == NULL)
 		goto out;
 
+	ctx.target = (u32 *) target_ptr;
 	ctx.idx = 0;
+
 	build_prologue(&ctx);
 	build_body(&ctx);
 	build_epilogue(&ctx);
@@ -919,8 +931,9 @@ void bpf_jit_compile(struct bpf_prog *fp)
 		/* there are 2 passes here */
 		bpf_jit_dump(fp->len, alloc_size, 2, ctx.target);
 
+	set_memory_ro((unsigned long)header, header->pages);
 	fp->bpf_func = (void *)ctx.target;
-	fp->jited = 1;
+	fp->jited = true;
 out:
 	kfree(ctx.offsets);
 	return;
@@ -928,7 +941,15 @@ out:
 
 void bpf_jit_free(struct bpf_prog *fp)
 {
-	if (fp->jited)
-		module_free(NULL, fp->bpf_func);
-	kfree(fp);
+	unsigned long addr = (unsigned long)fp->bpf_func & PAGE_MASK;
+	struct bpf_binary_header *header = (void *)addr;
+
+	if (!fp->jited)
+		goto free_filter;
+
+	set_memory_rw(addr, header->pages);
+	bpf_jit_binary_free(header);
+
+free_filter:
+	bpf_prog_unlock_free(fp);
 }
diff --git a/arch/arm/net/bpf_jit_32.h b/arch/arm/net/bpf_jit_32.h
index afb8462..b2d7d92 100644
--- a/arch/arm/net/bpf_jit_32.h
+++ b/arch/arm/net/bpf_jit_32.h
@@ -114,6 +114,20 @@
 
 #define ARM_INST_UMULL		0x00800090
 
+/*
+ * Use a suitable undefined instruction to use for ARM/Thumb2 faulting.
+ * We need to be careful not to conflict with those used by other modules
+ * (BUG, kprobes, etc) and the register_undef_hook() system.
+ *
+ * The ARM architecture reference manual guarantees that the following
+ * instruction space will produce an undefined instruction exception on
+ * all CPUs:
+ *
+ * ARM:   xxxx 0111 1111 xxxx xxxx xxxx 1111 xxxx	ARMv7-AR, section A5.4
+ * Thumb: 1101 1110 xxxx xxxx				ARMv7-M, section A5.2.6
+ */
+#define ARM_INST_UDF		0xe7fddef1
+
 /* register */
 #define _AL3_R(op, rd, rn, rm)	((op ## _R) | (rd) << 12 | (rn) << 16 | (rm))
 /* immediate */
diff --git a/arch/arm/plat-orion/common.c b/arch/arm/plat-orion/common.c
index 3ec6e8e..f5b00f4 100644
--- a/arch/arm/plat-orion/common.c
+++ b/arch/arm/plat-orion/common.c
@@ -499,7 +499,7 @@ void __init orion_ge00_switch_init(struct dsa_platform_data *d, int irq)
 
 	d->netdev = &orion_ge00.dev;
 	for (i = 0; i < d->nr_chips; i++)
-		d->chip[i].mii_bus = &orion_ge00_shared.dev;
+		d->chip[i].host_dev = &orion_ge00_shared.dev;
 	orion_switch_device.dev.platform_data = d;
 
 	platform_device_register(&orion_switch_device);
diff --git a/arch/mips/bcm47xx/setup.c b/arch/mips/bcm47xx/setup.c
index ad439c2..c00585d 100644
--- a/arch/mips/bcm47xx/setup.c
+++ b/arch/mips/bcm47xx/setup.c
@@ -211,6 +211,10 @@ static void __init bcm47xx_register_bcma(void)
 
 	err = bcma_host_soc_register(&bcm47xx_bus.bcma);
 	if (err)
+		panic("Failed to register BCMA bus (err %d)", err);
+
+	err = bcma_host_soc_init(&bcm47xx_bus.bcma);
+	if (err)
 		panic("Failed to initialize BCMA bus (err %d)", err);
 
 	bcm47xx_fill_bcma_boardinfo(&bcm47xx_bus.bcma.bus.boardinfo, NULL);
diff --git a/arch/mips/net/bpf_jit.c b/arch/mips/net/bpf_jit.c
index 9f7ecbd..7edc083 100644
--- a/arch/mips/net/bpf_jit.c
+++ b/arch/mips/net/bpf_jit.c
@@ -765,27 +765,6 @@ static u64 jit_get_skb_w(struct sk_buff *skb, unsigned offset)
 	return (u64)err << 32 | ntohl(ret);
 }
 
-#ifdef __BIG_ENDIAN_BITFIELD
-#define PKT_TYPE_MAX	(7 << 5)
-#else
-#define PKT_TYPE_MAX	7
-#endif
-static int pkt_type_offset(void)
-{
-	struct sk_buff skb_probe = {
-		.pkt_type = ~0,
-	};
-	u8 *ct = (u8 *)&skb_probe;
-	unsigned int off;
-
-	for (off = 0; off < sizeof(struct sk_buff); off++) {
-		if (ct[off] == PKT_TYPE_MAX)
-			return off;
-	}
-	pr_err_once("Please fix pkt_type_offset(), as pkt_type couldn't be found\n");
-	return -1;
-}
-
 static int build_body(struct jit_ctx *ctx)
 {
 	void *load_func[] = {jit_get_skb_b, jit_get_skb_h, jit_get_skb_w};
@@ -793,7 +772,6 @@ static int build_body(struct jit_ctx *ctx)
 	const struct sock_filter *inst;
 	unsigned int i, off, load_order, condt;
 	u32 k, b_off __maybe_unused;
-	int tmp;
 
 	for (i = 0; i < prog->len; i++) {
 		u16 code;
@@ -1333,11 +1311,7 @@ jmp_cmp:
 		case BPF_ANC | SKF_AD_PKTTYPE:
 			ctx->flags |= SEEN_SKB;
 
-			tmp = off = pkt_type_offset();
-
-			if (tmp < 0)
-				return -1;
-			emit_load_byte(r_tmp, r_skb, off, ctx);
+			emit_load_byte(r_tmp, r_skb, PKT_TYPE_OFFSET(), ctx);
 			/* Keep only the last 3 bits */
 			emit_andi(r_A, r_tmp, PKT_TYPE_MAX, ctx);
 #ifdef __BIG_ENDIAN_BITFIELD
@@ -1418,7 +1392,7 @@ void bpf_jit_compile(struct bpf_prog *fp)
 		bpf_jit_dump(fp->len, alloc_size, 2, ctx.target);
 
 	fp->bpf_func = (void *)ctx.target;
-	fp->jited = 1;
+	fp->jited = true;
 
 out:
 	kfree(ctx.offsets);
@@ -1428,5 +1402,6 @@ void bpf_jit_free(struct bpf_prog *fp)
 {
 	if (fp->jited)
 		module_free(NULL, fp->bpf_func);
-	kfree(fp);
+
+	bpf_prog_unlock_free(fp);
 }
diff --git a/arch/powerpc/net/bpf_jit_comp.c b/arch/powerpc/net/bpf_jit_comp.c
index 3afa6f4..cbae2df 100644
--- a/arch/powerpc/net/bpf_jit_comp.c
+++ b/arch/powerpc/net/bpf_jit_comp.c
@@ -686,7 +686,7 @@ void bpf_jit_compile(struct bpf_prog *fp)
 		((u64 *)image)[0] = (u64)code_base;
 		((u64 *)image)[1] = local_paca->kernel_toc;
 		fp->bpf_func = (void *)image;
-		fp->jited = 1;
+		fp->jited = true;
 	}
 out:
 	kfree(addrs);
@@ -697,5 +697,6 @@ void bpf_jit_free(struct bpf_prog *fp)
 {
 	if (fp->jited)
 		module_free(NULL, fp->bpf_func);
-	kfree(fp);
+
+	bpf_prog_unlock_free(fp);
 }
diff --git a/arch/s390/net/bpf_jit_comp.c b/arch/s390/net/bpf_jit_comp.c
index 61e45b7..c52ac77 100644
--- a/arch/s390/net/bpf_jit_comp.c
+++ b/arch/s390/net/bpf_jit_comp.c
@@ -5,11 +5,9 @@
  *
  * Author(s): Martin Schwidefsky <schwidefsky@de.ibm.com>
  */
-#include <linux/moduleloader.h>
 #include <linux/netdevice.h>
 #include <linux/if_vlan.h>
 #include <linux/filter.h>
-#include <linux/random.h>
 #include <linux/init.h>
 #include <asm/cacheflush.h>
 #include <asm/facility.h>
@@ -148,6 +146,12 @@ struct bpf_jit {
 	ret;						\
 })
 
+static void bpf_jit_fill_hole(void *area, unsigned int size)
+{
+	/* Fill whole space with illegal instructions */
+	memset(area, 0, size);
+}
+
 static void bpf_jit_prologue(struct bpf_jit *jit)
 {
 	/* Save registers and create stack frame if necessary */
@@ -223,37 +227,6 @@ static void bpf_jit_epilogue(struct bpf_jit *jit)
 	EMIT2(0x07fe);
 }
 
-/* Helper to find the offset of pkt_type in sk_buff
- * Make sure its still a 3bit field starting at the MSBs within a byte.
- */
-#define PKT_TYPE_MAX 0xe0
-static int pkt_type_offset;
-
-static int __init bpf_pkt_type_offset_init(void)
-{
-	struct sk_buff skb_probe = {
-		.pkt_type = ~0,
-	};
-	char *ct = (char *)&skb_probe;
-	int off;
-
-	pkt_type_offset = -1;
-	for (off = 0; off < sizeof(struct sk_buff); off++) {
-		if (!ct[off])
-			continue;
-		if (ct[off] == PKT_TYPE_MAX)
-			pkt_type_offset = off;
-		else {
-			/* Found non matching bit pattern, fix needed. */
-			WARN_ON_ONCE(1);
-			pkt_type_offset = -1;
-			return -1;
-		}
-	}
-	return 0;
-}
-device_initcall(bpf_pkt_type_offset_init);
-
 /*
  * make sure we dont leak kernel information to user
  */
@@ -753,12 +726,10 @@ call_fn:	/* lg %r1,<d(function)>(%r13) */
 		}
 		break;
 	case BPF_ANC | SKF_AD_PKTTYPE:
-		if (pkt_type_offset < 0)
-			goto out;
 		/* lhi %r5,0 */
 		EMIT4(0xa7580000);
 		/* ic %r5,<d(pkt_type_offset)>(%r2) */
-		EMIT4_DISP(0x43502000, pkt_type_offset);
+		EMIT4_DISP(0x43502000, PKT_TYPE_OFFSET());
 		/* srl %r5,5 */
 		EMIT4_DISP(0x88500000, 5);
 		break;
@@ -780,38 +751,6 @@ out:
 	return -1;
 }
 
-/*
- * Note: for security reasons, bpf code will follow a randomly
- *	 sized amount of illegal instructions.
- */
-struct bpf_binary_header {
-	unsigned int pages;
-	u8 image[];
-};
-
-static struct bpf_binary_header *bpf_alloc_binary(unsigned int bpfsize,
-						  u8 **image_ptr)
-{
-	struct bpf_binary_header *header;
-	unsigned int sz, hole;
-
-	/* Most BPF filters are really small, but if some of them fill a page,
-	 * allow at least 128 extra bytes for illegal instructions.
-	 */
-	sz = round_up(bpfsize + sizeof(*header) + 128, PAGE_SIZE);
-	header = module_alloc(sz);
-	if (!header)
-		return NULL;
-	memset(header, 0, sz);
-	header->pages = sz / PAGE_SIZE;
-	hole = min(sz - (bpfsize + sizeof(*header)), PAGE_SIZE - sizeof(*header));
-	/* Insert random number of illegal instructions before BPF code
-	 * and make sure the first instruction starts at an even address.
-	 */
-	*image_ptr = &header->image[(prandom_u32() % hole) & -2];
-	return header;
-}
-
 void bpf_jit_compile(struct bpf_prog *fp)
 {
 	struct bpf_binary_header *header = NULL;
@@ -850,7 +789,8 @@ void bpf_jit_compile(struct bpf_prog *fp)
 			size = prg_len + lit_len;
 			if (size >= BPF_SIZE_MAX)
 				goto out;
-			header = bpf_alloc_binary(size, &jit.start);
+			header = bpf_jit_binary_alloc(size, &jit.start,
+						      2, bpf_jit_fill_hole);
 			if (!header)
 				goto out;
 			jit.prg = jit.mid = jit.start + prg_len;
@@ -869,7 +809,7 @@ void bpf_jit_compile(struct bpf_prog *fp)
 	if (jit.start) {
 		set_memory_ro((unsigned long)header, header->pages);
 		fp->bpf_func = (void *) jit.start;
-		fp->jited = 1;
+		fp->jited = true;
 	}
 out:
 	kfree(addrs);
@@ -884,8 +824,8 @@ void bpf_jit_free(struct bpf_prog *fp)
 		goto free_filter;
 
 	set_memory_rw(addr, header->pages);
-	module_free(NULL, header);
+	bpf_jit_binary_free(header);
 
 free_filter:
-	kfree(fp);
+	bpf_prog_unlock_free(fp);
 }
diff --git a/arch/sparc/include/asm/vio.h b/arch/sparc/include/asm/vio.h
index e0f6c39..6b135a8 100644
--- a/arch/sparc/include/asm/vio.h
+++ b/arch/sparc/include/asm/vio.h
@@ -65,6 +65,7 @@ struct vio_dring_register {
 	u16			options;
 #define VIO_TX_DRING		0x0001
 #define VIO_RX_DRING		0x0002
+#define VIO_RX_DRING_DATA	0x0004
 	u16			resv;
 	u32			num_cookies;
 	struct ldc_trans_cookie	cookies[0];
@@ -80,6 +81,8 @@ struct vio_dring_unregister {
 #define VIO_PKT_MODE		0x01 /* Packet based transfer	*/
 #define VIO_DESC_MODE		0x02 /* In-band descriptors	*/
 #define VIO_DRING_MODE		0x03 /* Descriptor rings	*/
+/* in vers >= 1.2, VIO_DRING_MODE is 0x04 and transfer mode is a bitmask */
+#define VIO_NEW_DRING_MODE	0x04
 
 struct vio_dring_data {
 	struct vio_msg_tag	tag;
@@ -205,10 +208,20 @@ struct vio_net_attr_info {
 	u8			addr_type;
 #define VNET_ADDR_ETHERMAC	0x01
 	u16			ack_freq;
-	u32			resv1;
+	u8			plnk_updt;
+#define PHYSLINK_UPDATE_NONE		0x00
+#define PHYSLINK_UPDATE_STATE		0x01
+#define PHYSLINK_UPDATE_STATE_ACK	0x02
+#define PHYSLINK_UPDATE_STATE_NACK	0x03
+	u8			options;
+	u16			resv1;
 	u64			addr;
 	u64			mtu;
-	u64			resv2[3];
+	u16			cflags;
+#define VNET_LSO_IPV4_CAPAB		0x0001
+	u16			ipv4_lso_maxlen;
+	u32			resv2;
+	u64			resv3[2];
 };
 
 #define VNET_NUM_MCAST		7
@@ -366,6 +379,33 @@ struct vio_driver_state {
 	struct vio_driver_ops	*ops;
 };
 
+static inline bool vio_version_before(struct vio_driver_state *vio,
+				      u16 major, u16 minor)
+{
+	u32 have = (u32)vio->ver.major << 16 | vio->ver.minor;
+	u32 want = (u32)major << 16 | minor;
+
+	return have < want;
+}
+
+static inline bool vio_version_after(struct vio_driver_state *vio,
+				      u16 major, u16 minor)
+{
+	u32 have = (u32)vio->ver.major << 16 | vio->ver.minor;
+	u32 want = (u32)major << 16 | minor;
+
+	return have > want;
+}
+
+static inline bool vio_version_after_eq(struct vio_driver_state *vio,
+					u16 major, u16 minor)
+{
+	u32 have = (u32)vio->ver.major << 16 | vio->ver.minor;
+	u32 want = (u32)major << 16 | minor;
+
+	return have >= want;
+}
+
 #define viodbg(TYPE, f, a...) \
 do {	if (vio->debug & VIO_DEBUG_##TYPE) \
 		printk(KERN_INFO "vio: ID[%lu] " f, \
diff --git a/arch/sparc/kernel/ldc.c b/arch/sparc/kernel/ldc.c
index 66dacd5..0af28b9 100644
--- a/arch/sparc/kernel/ldc.c
+++ b/arch/sparc/kernel/ldc.c
@@ -2159,7 +2159,7 @@ int ldc_map_single(struct ldc_channel *lp,
 	state.pte_idx = (base - iommu->page_table);
 	state.nc = 0;
 	fill_cookies(&state, (pa & PAGE_MASK), (pa & ~PAGE_MASK), len);
-	BUG_ON(state.nc != 1);
+	BUG_ON(state.nc > ncookies);
 
 	return state.nc;
 }
diff --git a/arch/sparc/kernel/viohs.c b/arch/sparc/kernel/viohs.c
index f8e7dd5..7ef081a 100644
--- a/arch/sparc/kernel/viohs.c
+++ b/arch/sparc/kernel/viohs.c
@@ -426,6 +426,13 @@ static int process_dreg_info(struct vio_driver_state *vio,
 	if (vio->dr_state & VIO_DR_STATE_RXREG)
 		goto send_nack;
 
+	/* v1.6 and higher, ACK with desired, supported mode, or NACK */
+	if (vio_version_after_eq(vio, 1, 6)) {
+		if (!(pkt->options & VIO_TX_DRING))
+			goto send_nack;
+		pkt->options = VIO_TX_DRING;
+	}
+
 	BUG_ON(vio->desc_buf);
 
 	vio->desc_buf = kzalloc(pkt->descr_size, GFP_ATOMIC);
@@ -453,8 +460,11 @@ static int process_dreg_info(struct vio_driver_state *vio,
 	pkt->tag.stype = VIO_SUBTYPE_ACK;
 	pkt->dring_ident = ++dr->ident;
 
-	viodbg(HS, "SEND DRING_REG ACK ident[%llx]\n",
-	       (unsigned long long) pkt->dring_ident);
+	viodbg(HS, "SEND DRING_REG ACK ident[%llx] "
+	       "ndesc[%u] dsz[%u] opt[0x%x] ncookies[%u]\n",
+	       (unsigned long long) pkt->dring_ident,
+	       pkt->num_descr, pkt->descr_size, pkt->options,
+	       pkt->num_cookies);
 
 	len = (sizeof(*pkt) +
 	       (dr->ncookies * sizeof(struct ldc_trans_cookie)));
diff --git a/arch/sparc/net/bpf_jit_comp.c b/arch/sparc/net/bpf_jit_comp.c
index ece4af0..f33e7c7 100644
--- a/arch/sparc/net/bpf_jit_comp.c
+++ b/arch/sparc/net/bpf_jit_comp.c
@@ -585,16 +585,11 @@ void bpf_jit_compile(struct bpf_prog *fp)
 			case BPF_ANC | SKF_AD_PROTOCOL:
 				emit_skb_load16(protocol, r_A);
 				break;
-#if 0
-				/* GCC won't let us take the address of
-				 * a bit field even though we very much
-				 * know what we are doing here.
-				 */
 			case BPF_ANC | SKF_AD_PKTTYPE:
-				__emit_skb_load8(pkt_type, r_A);
+				__emit_skb_load8(__pkt_type_offset, r_A);
+				emit_andi(r_A, PKT_TYPE_MAX, r_A);
 				emit_alu_K(SRL, 5);
 				break;
-#endif
 			case BPF_ANC | SKF_AD_IFINDEX:
 				emit_skb_loadptr(dev, r_A);
 				emit_cmpi(r_A, 0);
@@ -629,7 +624,12 @@ void bpf_jit_compile(struct bpf_prog *fp)
 					emit_and(r_A, r_TMP, r_A);
 				}
 				break;
-
+			case BPF_LD | BPF_W | BPF_LEN:
+				emit_skb_load32(len, r_A);
+				break;
+			case BPF_LDX | BPF_W | BPF_LEN:
+				emit_skb_load32(len, r_X);
+				break;
 			case BPF_LD | BPF_IMM:
 				emit_loadimm(K, r_A);
 				break;
@@ -812,7 +812,7 @@ cond_branch:			f_offset = addrs[i + filter[i].jf];
 	if (image) {
 		bpf_flush_icache(image, image + proglen);
 		fp->bpf_func = (void *)image;
-		fp->jited = 1;
+		fp->jited = true;
 	}
 out:
 	kfree(addrs);
@@ -823,5 +823,6 @@ void bpf_jit_free(struct bpf_prog *fp)
 {
 	if (fp->jited)
 		module_free(NULL, fp->bpf_func);
-	kfree(fp);
+
+	bpf_prog_unlock_free(fp);
 }
diff --git a/arch/x86/net/bpf_jit_comp.c b/arch/x86/net/bpf_jit_comp.c
index 5c8cb80..d56cd1f 100644
--- a/arch/x86/net/bpf_jit_comp.c
+++ b/arch/x86/net/bpf_jit_comp.c
@@ -8,12 +8,10 @@
  * as published by the Free Software Foundation; version 2
  * of the License.
  */
-#include <linux/moduleloader.h>
-#include <asm/cacheflush.h>
 #include <linux/netdevice.h>
 #include <linux/filter.h>
 #include <linux/if_vlan.h>
-#include <linux/random.h>
+#include <asm/cacheflush.h>
 
 int bpf_jit_enable __read_mostly;
 
@@ -109,39 +107,6 @@ static inline void bpf_flush_icache(void *start, void *end)
 #define CHOOSE_LOAD_FUNC(K, func) \
 	((int)K < 0 ? ((int)K >= SKF_LL_OFF ? func##_negative_offset : func) : func##_positive_offset)
 
-struct bpf_binary_header {
-	unsigned int	pages;
-	/* Note : for security reasons, bpf code will follow a randomly
-	 * sized amount of int3 instructions
-	 */
-	u8		image[];
-};
-
-static struct bpf_binary_header *bpf_alloc_binary(unsigned int proglen,
-						  u8 **image_ptr)
-{
-	unsigned int sz, hole;
-	struct bpf_binary_header *header;
-
-	/* Most of BPF filters are really small,
-	 * but if some of them fill a page, allow at least
-	 * 128 extra bytes to insert a random section of int3
-	 */
-	sz = round_up(proglen + sizeof(*header) + 128, PAGE_SIZE);
-	header = module_alloc(sz);
-	if (!header)
-		return NULL;
-
-	memset(header, 0xcc, sz); /* fill whole space with int3 instructions */
-
-	header->pages = sz / PAGE_SIZE;
-	hole = min(sz - (proglen + sizeof(*header)), PAGE_SIZE - sizeof(*header));
-
-	/* insert a random number of int3 instructions before BPF code */
-	*image_ptr = &header->image[prandom_u32() % hole];
-	return header;
-}
-
 /* pick a register outside of BPF range for JIT internal work */
 #define AUX_REG (MAX_BPF_REG + 1)
 
@@ -206,6 +171,12 @@ static inline u8 add_2reg(u8 byte, u32 dst_reg, u32 src_reg)
 	return byte + reg2hex[dst_reg] + (reg2hex[src_reg] << 3);
 }
 
+static void jit_fill_hole(void *area, unsigned int size)
+{
+	/* fill whole space with int3 instructions */
+	memset(area, 0xcc, size);
+}
+
 struct jit_context {
 	unsigned int cleanup_addr; /* epilogue code offset */
 	bool seen_ld_abs;
@@ -393,6 +364,23 @@ static int do_jit(struct bpf_prog *bpf_prog, int *addrs, u8 *image,
 			EMIT1_off32(add_1reg(0xB8, dst_reg), imm32);
 			break;
 
+		case BPF_LD | BPF_IMM | BPF_DW:
+			if (insn[1].code != 0 || insn[1].src_reg != 0 ||
+			    insn[1].dst_reg != 0 || insn[1].off != 0) {
+				/* verifier must catch invalid insns */
+				pr_err("invalid BPF_LD_IMM64 insn\n");
+				return -EINVAL;
+			}
+
+			/* movabsq %rax, imm64 */
+			EMIT2(add_1mod(0x48, dst_reg), add_1reg(0xB8, dst_reg));
+			EMIT(insn[0].imm, 4);
+			EMIT(insn[1].imm, 4);
+
+			insn++;
+			i++;
+			break;
+
 			/* dst %= src, dst /= src, dst %= imm32, dst /= imm32 */
 		case BPF_ALU | BPF_MOD | BPF_X:
 		case BPF_ALU | BPF_DIV | BPF_X:
@@ -515,6 +503,48 @@ static int do_jit(struct bpf_prog *bpf_prog, int *addrs, u8 *image,
 			EMIT3(0xC1, add_1reg(b3, dst_reg), imm32);
 			break;
 
+		case BPF_ALU | BPF_LSH | BPF_X:
+		case BPF_ALU | BPF_RSH | BPF_X:
+		case BPF_ALU | BPF_ARSH | BPF_X:
+		case BPF_ALU64 | BPF_LSH | BPF_X:
+		case BPF_ALU64 | BPF_RSH | BPF_X:
+		case BPF_ALU64 | BPF_ARSH | BPF_X:
+
+			/* check for bad case when dst_reg == rcx */
+			if (dst_reg == BPF_REG_4) {
+				/* mov r11, dst_reg */
+				EMIT_mov(AUX_REG, dst_reg);
+				dst_reg = AUX_REG;
+			}
+
+			if (src_reg != BPF_REG_4) { /* common case */
+				EMIT1(0x51); /* push rcx */
+
+				/* mov rcx, src_reg */
+				EMIT_mov(BPF_REG_4, src_reg);
+			}
+
+			/* shl %rax, %cl | shr %rax, %cl | sar %rax, %cl */
+			if (BPF_CLASS(insn->code) == BPF_ALU64)
+				EMIT1(add_1mod(0x48, dst_reg));
+			else if (is_ereg(dst_reg))
+				EMIT1(add_1mod(0x40, dst_reg));
+
+			switch (BPF_OP(insn->code)) {
+			case BPF_LSH: b3 = 0xE0; break;
+			case BPF_RSH: b3 = 0xE8; break;
+			case BPF_ARSH: b3 = 0xF8; break;
+			}
+			EMIT2(0xD3, add_1reg(b3, dst_reg));
+
+			if (src_reg != BPF_REG_4)
+				EMIT1(0x59); /* pop rcx */
+
+			if (insn->dst_reg == BPF_REG_4)
+				/* mov dst_reg, r11 */
+				EMIT_mov(insn->dst_reg, AUX_REG);
+			break;
+
 		case BPF_ALU | BPF_END | BPF_FROM_BE:
 			switch (imm32) {
 			case 16:
@@ -900,7 +930,7 @@ void bpf_int_jit_compile(struct bpf_prog *prog)
 		if (proglen <= 0) {
 			image = NULL;
 			if (header)
-				module_free(NULL, header);
+				bpf_jit_binary_free(header);
 			goto out;
 		}
 		if (image) {
@@ -910,7 +940,8 @@ void bpf_int_jit_compile(struct bpf_prog *prog)
 			break;
 		}
 		if (proglen == oldproglen) {
-			header = bpf_alloc_binary(proglen, &image);
+			header = bpf_jit_binary_alloc(proglen, &image,
+						      1, jit_fill_hole);
 			if (!header)
 				goto out;
 		}
@@ -924,29 +955,23 @@ void bpf_int_jit_compile(struct bpf_prog *prog)
 		bpf_flush_icache(header, image + proglen);
 		set_memory_ro((unsigned long)header, header->pages);
 		prog->bpf_func = (void *)image;
-		prog->jited = 1;
+		prog->jited = true;
 	}
 out:
 	kfree(addrs);
 }
 
-static void bpf_jit_free_deferred(struct work_struct *work)
+void bpf_jit_free(struct bpf_prog *fp)
 {
-	struct bpf_prog *fp = container_of(work, struct bpf_prog, work);
 	unsigned long addr = (unsigned long)fp->bpf_func & PAGE_MASK;
 	struct bpf_binary_header *header = (void *)addr;
 
+	if (!fp->jited)
+		goto free_filter;
+
 	set_memory_rw(addr, header->pages);
-	module_free(NULL, header);
-	kfree(fp);
-}
+	bpf_jit_binary_free(header);
 
-void bpf_jit_free(struct bpf_prog *fp)
-{
-	if (fp->jited) {
-		INIT_WORK(&fp->work, bpf_jit_free_deferred);
-		schedule_work(&fp->work);
-	} else {
-		kfree(fp);
-	}
+free_filter:
+	bpf_prog_unlock_free(fp);
 }
diff --git a/arch/x86/syscalls/syscall_32.tbl b/arch/x86/syscalls/syscall_32.tbl
index 028b781..9fe1b5d 100644
--- a/arch/x86/syscalls/syscall_32.tbl
+++ b/arch/x86/syscalls/syscall_32.tbl
@@ -363,3 +363,4 @@
 354	i386	seccomp			sys_seccomp
 355	i386	getrandom		sys_getrandom
 356	i386	memfd_create		sys_memfd_create
+357	i386	bpf			sys_bpf
diff --git a/arch/x86/syscalls/syscall_64.tbl b/arch/x86/syscalls/syscall_64.tbl
index 35dd922..281150b 100644
--- a/arch/x86/syscalls/syscall_64.tbl
+++ b/arch/x86/syscalls/syscall_64.tbl
@@ -327,6 +327,7 @@
 318	common	getrandom		sys_getrandom
 319	common	memfd_create		sys_memfd_create
 320	common	kexec_file_load		sys_kexec_file_load
+321	common	bpf			sys_bpf
 
 #
 # x32-specific system call numbers start at 512 to avoid cache impact