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-rw-r--r--arch/arm/boot/dts/am33xx.dtsi6
-rw-r--r--arch/arm/boot/dts/berlin2q-marvell-dmp.dts4
-rw-r--r--arch/arm/boot/dts/berlin2q.dtsi17
-rw-r--r--arch/arm/boot/dts/imx6sx.dtsi2
-rw-r--r--arch/arm/boot/dts/rk3188-radxarock.dts22
-rw-r--r--arch/arm/boot/dts/rk3188.dtsi22
-rw-r--r--arch/arm/boot/dts/rk3xxx.dtsi17
-rw-r--r--arch/arm/net/bpf_jit_32.c37
-rw-r--r--arch/arm/net/bpf_jit_32.h14
-rw-r--r--arch/arm/plat-orion/common.c2
-rw-r--r--arch/mips/bcm47xx/setup.c4
-rw-r--r--arch/mips/net/bpf_jit.c33
-rw-r--r--arch/powerpc/net/bpf_jit_comp.c5
-rw-r--r--arch/s390/net/bpf_jit_comp.c84
-rw-r--r--arch/sparc/include/asm/vio.h44
-rw-r--r--arch/sparc/kernel/ldc.c2
-rw-r--r--arch/sparc/kernel/viohs.c14
-rw-r--r--arch/sparc/net/bpf_jit_comp.c21
-rw-r--r--arch/x86/net/bpf_jit_comp.c129
-rw-r--r--arch/x86/syscalls/syscall_32.tbl1
-rw-r--r--arch/x86/syscalls/syscall_64.tbl1
21 files changed, 302 insertions, 179 deletions
diff --git a/arch/arm/boot/dts/am33xx.dtsi b/arch/arm/boot/dts/am33xx.dtsi
index abe530f7029..83181058382 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 a357ce02a64..ea1f99b8eed 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 400c40fcecc..891d56b0392 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 888dd767a0b..f3e88c03b1e 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 39f66e34944..15910c9ddbc 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 82732f5249b..ddaada788b4 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 7332d12eb56..499468d42ad 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 a37b989a2f9..e1268f90502 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 afb84621ff6..b2d7d92859d 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 3ec6e8e8d36..f5b00f41c4f 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 ad439c27300..c00585d915b 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 9f7ecbda250..7edc08398c4 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 3afa6f4c195..cbae2dfd053 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 61e45b7c04d..c52ac77408c 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 e0f6c399f1d..6b135a8ab07 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 66dacd56bb1..0af28b98469 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 f8e7dd53e1c..7ef081a185b 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 ece4af0575e..f33e7c7a3bf 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 5c8cb8043c5..d56cd1f515b 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 028b78168d8..9fe1b5d002f 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 35dd922727b..281150b539a 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
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-11-27 04:39:30 +0000