Merge master.kernel.org:/home/davem/BK/sparc-2.5

into home.transmeta.com:/home/torvalds/v2.5/linux

arch/sparc64/kernel/ioctl32.c

@@ -99,6 +99,7 @@
 #include <linux/usbdevice_fs.h>
 #include <linux/nbd.h>
 #include <linux/random.h>
+#include <linux/filter.h>
 
 /* Use this to get at 32-bit user passed pointers. 
    See sys_sparc32.c for description about these. */
@@ -1668,6 +1669,40 @@ static int sg_ioctl_trans(unsigned int fd, unsigned int cmd, unsigned long arg)
 	return err;
 }
 
+struct sock_fprog32 {
+	__u16	len;
+	__u32	filter;
+};
+
+#define PPPIOCSPASS32	_IOW('t', 71, struct sock_fprog32)
+#define PPPIOCSACTIVE32	_IOW('t', 70, struct sock_fprog32)
+
+static int ppp_sock_fprog_ioctl_trans(unsigned int fd, unsigned int cmd, unsigned long arg)
+{
+	struct sock_fprog32 *u_fprog32 = (struct sock_fprog32 *) arg;
+	struct sock_fprog *u_fprog64 = alloc_user_space(sizeof(struct sock_fprog));
+	void *fptr64;
+	u32 fptr32;
+	u16 flen;
+
+	if (get_user(flen, &u_fprog32->len) ||
+	    get_user(fptr32, &u_fprog32->filter))
+		return -EFAULT;
+
+	fptr64 = (void *) A(fptr32);
+
+	if (put_user(flen, &u_fprog64->len) ||
+	    put_user(fptr64, &u_fprog64->filter))
+		return -EFAULT;
+
+	if (cmd == PPPIOCSPASS32)
+		cmd = PPPIOCSPASS;
+	else
+		cmd = PPPIOCSACTIVE;
+
+	return sys_ioctl(fd, cmd, (unsigned long) u_fprog64);
+}
+
 struct ppp_option_data32 {
 	__kernel_caddr_t32	ptr;
 	__u32			length;
@@ -4237,13 +4272,16 @@ COMPATIBLE_IOCTL(PPPIOCGMRU)
 COMPATIBLE_IOCTL(PPPIOCSMRU)
 COMPATIBLE_IOCTL(PPPIOCSMAXCID)
 COMPATIBLE_IOCTL(PPPIOCGXASYNCMAP)
-COMPATIBLE_IOCTL(LPGETSTATUS)
 COMPATIBLE_IOCTL(PPPIOCSXASYNCMAP)
 COMPATIBLE_IOCTL(PPPIOCXFERUNIT)
+/* PPPIOCSCOMPRESS is translated */
 COMPATIBLE_IOCTL(PPPIOCGNPMODE)
 COMPATIBLE_IOCTL(PPPIOCSNPMODE)
+/* PPPIOCSPASS is translated */
+/* PPPIOCSACTIVE is translated */
 COMPATIBLE_IOCTL(PPPIOCGDEBUG)
 COMPATIBLE_IOCTL(PPPIOCSDEBUG)
+/* PPPIOCGIDLE is translated */
 COMPATIBLE_IOCTL(PPPIOCNEWUNIT)
 COMPATIBLE_IOCTL(PPPIOCATTACH)
 COMPATIBLE_IOCTL(PPPIOCDETACH)
@@ -4252,6 +4290,8 @@ COMPATIBLE_IOCTL(PPPIOCCONNECT)
 COMPATIBLE_IOCTL(PPPIOCDISCONN)
 COMPATIBLE_IOCTL(PPPIOCATTCHAN)
 COMPATIBLE_IOCTL(PPPIOCGCHAN)
+/* LP */
+COMPATIBLE_IOCTL(LPGETSTATUS)
 /* PPPOX */
 COMPATIBLE_IOCTL(PPPOEIOCSFWD)
 COMPATIBLE_IOCTL(PPPOEIOCDFWD)
@@ -4677,6 +4717,8 @@ HANDLE_IOCTL(FDWERRORGET32, fd_ioctl_trans)
 HANDLE_IOCTL(SG_IO,sg_ioctl_trans)
 HANDLE_IOCTL(PPPIOCGIDLE32, ppp_ioctl_trans)
 HANDLE_IOCTL(PPPIOCSCOMPRESS32, ppp_ioctl_trans)
+HANDLE_IOCTL(PPPIOCSPASS32, ppp_sock_fprog_ioctl_trans)
+HANDLE_IOCTL(PPPIOCSACTIVE32, ppp_sock_fprog_ioctl_trans)
 HANDLE_IOCTL(MTIOCGET32, mt_ioctl_trans)
 HANDLE_IOCTL(MTIOCPOS32, mt_ioctl_trans)
 HANDLE_IOCTL(MTIOCGETCONFIG32, mt_ioctl_trans)

arch/sparc64/lib/VIScsum.S

@@ -212,6 +212,8 @@ csum_partial:
 	mov		1, %g5			/*  IEU0	Group		*/
 	cmp		%o1, 6			/*  IEU1			*/
 	bl,pn		%icc, 21f		/*  CTI				*/
+	 andcc		%o0, 1, %g0		/*  IEU1	Group		*/
+	bne,pn		%icc, csump_really_slow /*  CTI				*/
 	 andcc		%o0, 2, %g0		/*  IEU1	Group		*/
 	be,pt		%icc, 1f		/*  CTI				*/
 	 and		%o0, 4, %g7		/*  IEU0			*/
@@ -449,3 +451,96 @@ csum_partial:
 	 add		%o2, 1, %o2		/*  IEU0			*/
 1:	ba,pt		%xcc, 25b		/*  CTI		Group		*/
 	 sllx		%o2, 32, %g1		/*  IEU0			*/
+
+	/* When buff is byte aligned and len is large, we backoff to
+	 * this really slow handling.  The issue is that we cannot do
+	 * the VIS stuff when buff is byte aligned as unaligned.c will
+	 * not fix it up.
+	 */
+csump_really_slow:
+	mov	%o0, %o3
+	mov	%o1, %o4
+	cmp	%o1, 0
+	ble,pn	%icc, 9f
+	 mov	0, %o0
+	andcc	%o3, 1, %o5
+	be,pt	%icc, 1f
+	 sra	%o4, 1, %g3
+	add	%o1, -1, %o4
+	ldub	[%o3], %o0
+	add	%o3, 1, %o3
+	sra	%o4, 1, %g3
+1:
+	cmp	%g3, 0
+	be,pt	%icc, 3f
+	 and	%o4, 1, %g2
+	and	%o3, 2, %g2
+	brz,a,pt %g2, 1f
+	 sra	%g3, 1, %g3
+	add	%g3, -1, %g3
+	add	%o4, -2, %o4
+	lduh	[%o3], %g2
+	add	%o3, 2, %o3
+	add	%o0, %g2, %o0
+	sra	%g3, 1, %g3
+1:
+	cmp	%g3, 0
+	be,pt	%icc, 2f
+	 and	%o4, 2, %g2
+1:
+	ld	[%o3], %g2
+	addcc	%o0, %g2, %o0
+	addx	%o0, %g0, %o0
+	addcc	%g3, -1, %g3
+	bne,pt	%icc, 1b
+	 add	%o3, 4, %o3
+	srl	%o0, 16, %o1
+	sethi	%hi(64512), %g2
+	or	%g2, 1023, %g2
+	and	%o0, %g2, %g3
+	add	%g3, %o1, %g3
+	srl	%g3, 16, %o0
+	and	%g3, %g2, %g2
+	add	%g2, %o0, %g3
+	sll	%g3, 16, %g3
+	srl	%g3, 16, %o0
+	and	%o4, 2, %g2
+2:
+	cmp	%g2, 0
+	be,pt	%icc, 3f
+	 and	%o4, 1, %g2
+	lduh	[%o3], %g2
+	add	%o3, 2, %o3
+	add	%o0, %g2, %o0
+	and	%o4, 1, %g2
+3:
+	cmp	%g2, 0
+	be,pt	%icc, 1f
+	 srl	%o0, 16, %o1
+	ldub	[%o3], %g2
+	sll	%g2, 8, %g2
+	add	%o0, %g2, %o0
+	srl	%o0, 16, %o1
+1:
+	sethi	%hi(64512), %g2
+	or	%g2, 1023, %g2
+	cmp	%o5, 0
+	and	%o0, %g2, %g3
+	add	%g3, %o1, %g3
+	srl	%g3, 16, %o0
+	and	%g3, %g2, %g2
+	add	%g2, %o0, %g3
+	sll	%g3, 16, %g3
+	srl	%g3, 16, %o0
+	srl	%g3, 24, %g3
+	and	%o0, 255, %g2
+	sll	%g2, 8, %g2
+	bne,pt	%icc, 1f
+	 or	%g3, %g2, %g2
+9:
+	mov	%o0, %g2
+1:
+	addcc	%g2, %o2, %g2
+	addx	%g2, %g0, %g2
+	retl
+	 srl	%g2, 0, %o0