| mii.c (228290) | mii.c (242625) |
|---|---|
| 1/* $NetBSD: mii.c,v 1.12 1999/08/03 19:41:49 drochner Exp $ */ 2 3/*- 4 * Copyright (c) 1998 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility, --- 17 unchanged lines hidden (view full) --- 26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 30 * POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33#include <sys/cdefs.h> | 1/* $NetBSD: mii.c,v 1.12 1999/08/03 19:41:49 drochner Exp $ */ 2 3/*- 4 * Copyright (c) 1998 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility, --- 17 unchanged lines hidden (view full) --- 26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 30 * POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33#include <sys/cdefs.h> |
| 34__FBSDID("$FreeBSD: head/sys/dev/mii/mii.c 228290 2011-12-05 21:38:45Z marius $"); | 34__FBSDID("$FreeBSD: head/sys/dev/mii/mii.c 242625 2012-11-05 19:16:27Z dim $"); |
| 35 36/* 37 * MII bus layer, glues MII-capable network interface drivers to sharable 38 * PHY drivers. This exports an interface compatible with BSD/OS 3.0's, 39 * plus some NetBSD extensions. 40 */ 41 42#include <sys/param.h> --- 578 unchanged lines hidden (view full) --- 621 622 LIST_FOREACH(child, &mii->mii_phys, mii_list) 623 mii_phy_down(child); 624} 625 626static unsigned char 627mii_bitreverse(unsigned char x) 628{ | 35 36/* 37 * MII bus layer, glues MII-capable network interface drivers to sharable 38 * PHY drivers. This exports an interface compatible with BSD/OS 3.0's, 39 * plus some NetBSD extensions. 40 */ 41 42#include <sys/param.h> --- 578 unchanged lines hidden (view full) --- 621 622 LIST_FOREACH(child, &mii->mii_phys, mii_list) 623 mii_phy_down(child); 624} 625 626static unsigned char 627mii_bitreverse(unsigned char x) 628{ |
| 629 static unsigned const char const nibbletab[16] = { | 629 static unsigned const char nibbletab[16] = { |
| 630 0, 8, 4, 12, 2, 10, 6, 14, 1, 9, 5, 13, 3, 11, 7, 15 631 }; 632 633 return ((nibbletab[x & 15] << 4) | nibbletab[x >> 4]); 634} 635 636u_int 637mii_oui(u_int id1, u_int id2) 638{ 639 u_int h; 640 641 h = (id1 << 6) | (id2 >> 10); 642 643 return ((mii_bitreverse(h >> 16) << 16) | 644 (mii_bitreverse((h >> 8) & 0xff) << 8) | 645 mii_bitreverse(h & 0xff)); 646} | 630 0, 8, 4, 12, 2, 10, 6, 14, 1, 9, 5, 13, 3, 11, 7, 15 631 }; 632 633 return ((nibbletab[x & 15] << 4) | nibbletab[x >> 4]); 634} 635 636u_int 637mii_oui(u_int id1, u_int id2) 638{ 639 u_int h; 640 641 h = (id1 << 6) | (id2 >> 10); 642 643 return ((mii_bitreverse(h >> 16) << 16) | 644 (mii_bitreverse((h >> 8) & 0xff) << 8) | 645 mii_bitreverse(h & 0xff)); 646} |