| if_sk.c (64137) | if_sk.c (64837) |
|---|---|
| 1/* 2 * Copyright (c) 1997, 1998, 1999, 2000 3 * Bill Paul <wpaul@ctr.columbia.edu>. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 15 unchanged lines hidden (view full) --- 24 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 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 30 * THE POSSIBILITY OF SUCH DAMAGE. 31 * | 1/* 2 * Copyright (c) 1997, 1998, 1999, 2000 3 * Bill Paul <wpaul@ctr.columbia.edu>. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 15 unchanged lines hidden (view full) --- 24 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 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 30 * THE POSSIBILITY OF SUCH DAMAGE. 31 * |
| 32 * $FreeBSD: head/sys/dev/sk/if_sk.c 64137 2000-08-02 18:19:00Z wpaul $ | 32 * $FreeBSD: head/sys/dev/sk/if_sk.c 64837 2000-08-19 08:32:59Z dwmalone $ |
| 33 */ 34 35/* 36 * SysKonnect SK-NET gigabit ethernet driver for FreeBSD. Supports 37 * the SK-984x series adapters, both single port and dual port. 38 * References: 39 * The XaQti XMAC II datasheet, 40 * http://www.freebsd.org/~wpaul/SysKonnect/xmacii_datasheet_rev_c_9-29.pdf --- 66 unchanged lines hidden (view full) --- 107 108MODULE_DEPEND(sk, miibus, 1, 1, 1); 109 110/* "controller miibus0" required. See GENERIC if you get errors here. */ 111#include "miibus_if.h" 112 113#ifndef lint 114static const char rcsid[] = | 33 */ 34 35/* 36 * SysKonnect SK-NET gigabit ethernet driver for FreeBSD. Supports 37 * the SK-984x series adapters, both single port and dual port. 38 * References: 39 * The XaQti XMAC II datasheet, 40 * http://www.freebsd.org/~wpaul/SysKonnect/xmacii_datasheet_rev_c_9-29.pdf --- 66 unchanged lines hidden (view full) --- 107 108MODULE_DEPEND(sk, miibus, 1, 1, 1); 109 110/* "controller miibus0" required. See GENERIC if you get errors here. */ 111#include "miibus_if.h" 112 113#ifndef lint 114static const char rcsid[] = |
| 115 "$FreeBSD: head/sys/dev/sk/if_sk.c 64137 2000-08-02 18:19:00Z wpaul $"; | 115 "$FreeBSD: head/sys/dev/sk/if_sk.c 64837 2000-08-19 08:32:59Z dwmalone $"; |
| 116#endif 117 118static struct sk_type sk_devs[] = { 119 { SK_VENDORID, SK_DEVICEID_GE, "SysKonnect Gigabit Ethernet" }, 120 { 0, 0, NULL } 121}; 122 123static int sk_probe __P((device_t)); --- 19 unchanged lines hidden (view full) --- 143static void sk_shutdown __P((device_t)); 144static int sk_ifmedia_upd __P((struct ifnet *)); 145static void sk_ifmedia_sts __P((struct ifnet *, struct ifmediareq *)); 146static void sk_reset __P((struct sk_softc *)); 147static int sk_newbuf __P((struct sk_if_softc *, 148 struct sk_chain *, struct mbuf *)); 149static int sk_alloc_jumbo_mem __P((struct sk_if_softc *)); 150static void *sk_jalloc __P((struct sk_if_softc *)); | 116#endif 117 118static struct sk_type sk_devs[] = { 119 { SK_VENDORID, SK_DEVICEID_GE, "SysKonnect Gigabit Ethernet" }, 120 { 0, 0, NULL } 121}; 122 123static int sk_probe __P((device_t)); --- 19 unchanged lines hidden (view full) --- 143static void sk_shutdown __P((device_t)); 144static int sk_ifmedia_upd __P((struct ifnet *)); 145static void sk_ifmedia_sts __P((struct ifnet *, struct ifmediareq *)); 146static void sk_reset __P((struct sk_softc *)); 147static int sk_newbuf __P((struct sk_if_softc *, 148 struct sk_chain *, struct mbuf *)); 149static int sk_alloc_jumbo_mem __P((struct sk_if_softc *)); 150static void *sk_jalloc __P((struct sk_if_softc *)); |
| 151static void sk_jfree __P((caddr_t, u_int)); 152static void sk_jref __P((caddr_t, u_int)); | 151static void sk_jfree __P((caddr_t, void *)); |
| 153static int sk_init_rx_ring __P((struct sk_if_softc *)); 154static void sk_init_tx_ring __P((struct sk_if_softc *)); 155static u_int32_t sk_win_read_4 __P((struct sk_softc *, int)); 156static u_int16_t sk_win_read_2 __P((struct sk_softc *, int)); 157static u_int8_t sk_win_read_1 __P((struct sk_softc *, int)); 158static void sk_win_write_4 __P((struct sk_softc *, int, u_int32_t)); 159static void sk_win_write_2 __P((struct sk_softc *, int, u_int32_t)); 160static void sk_win_write_1 __P((struct sk_softc *, int, u_int32_t)); --- 524 unchanged lines hidden (view full) --- 685#ifdef SK_VERBOSE 686 printf("sk%d: jumbo allocation failed " 687 "-- packet dropped!\n", sc_if->sk_unit); 688#endif 689 return(ENOBUFS); 690 } 691 692 /* Attach the buffer to the mbuf */ | 152static int sk_init_rx_ring __P((struct sk_if_softc *)); 153static void sk_init_tx_ring __P((struct sk_if_softc *)); 154static u_int32_t sk_win_read_4 __P((struct sk_softc *, int)); 155static u_int16_t sk_win_read_2 __P((struct sk_softc *, int)); 156static u_int8_t sk_win_read_1 __P((struct sk_softc *, int)); 157static void sk_win_write_4 __P((struct sk_softc *, int, u_int32_t)); 158static void sk_win_write_2 __P((struct sk_softc *, int, u_int32_t)); 159static void sk_win_write_1 __P((struct sk_softc *, int, u_int32_t)); --- 524 unchanged lines hidden (view full) --- 684#ifdef SK_VERBOSE 685 printf("sk%d: jumbo allocation failed " 686 "-- packet dropped!\n", sc_if->sk_unit); 687#endif 688 return(ENOBUFS); 689 } 690 691 /* Attach the buffer to the mbuf */ |
| 693 m_new->m_data = m_new->m_ext.ext_buf = (void *)buf; 694 m_new->m_flags |= M_EXT; 695 m_new->m_ext.ext_size = m_new->m_pkthdr.len = 696 m_new->m_len = SK_MCLBYTES; 697 m_new->m_ext.ext_free = sk_jfree; 698 m_new->m_ext.ext_ref = sk_jref; | 692 MEXTADD(m_new, buf, SK_MCLBYTES, sk_jfree, NULL); 693 m_new->m_data = (void *)buf; 694 m_new->m_pkthdr.len = m_new->m_len = SK_MCLBYTES; |
| 699 } else { 700 /* 701 * We're re-using a previously allocated mbuf; 702 * be sure to re-init pointers and lengths to 703 * default values. 704 */ 705 m_new = m; 706 m_new->m_len = m_new->m_pkthdr.len = SK_MCLBYTES; --- 53 unchanged lines hidden (view full) --- 760 */ 761 ptr = sc_if->sk_cdata.sk_jumbo_buf; 762 for (i = 0; i < SK_JSLOTS; i++) { 763 u_int64_t **aptr; 764 aptr = (u_int64_t **)ptr; 765 aptr[0] = (u_int64_t *)sc_if; 766 ptr += sizeof(u_int64_t); 767 sc_if->sk_cdata.sk_jslots[i].sk_buf = ptr; | 695 } else { 696 /* 697 * We're re-using a previously allocated mbuf; 698 * be sure to re-init pointers and lengths to 699 * default values. 700 */ 701 m_new = m; 702 m_new->m_len = m_new->m_pkthdr.len = SK_MCLBYTES; --- 53 unchanged lines hidden (view full) --- 756 */ 757 ptr = sc_if->sk_cdata.sk_jumbo_buf; 758 for (i = 0; i < SK_JSLOTS; i++) { 759 u_int64_t **aptr; 760 aptr = (u_int64_t **)ptr; 761 aptr[0] = (u_int64_t *)sc_if; 762 ptr += sizeof(u_int64_t); 763 sc_if->sk_cdata.sk_jslots[i].sk_buf = ptr; |
| 768 sc_if->sk_cdata.sk_jslots[i].sk_inuse = 0; | |
| 769 ptr += SK_MCLBYTES; 770 entry = malloc(sizeof(struct sk_jpool_entry), 771 M_DEVBUF, M_NOWAIT); 772 if (entry == NULL) { 773 free(sc_if->sk_cdata.sk_jumbo_buf, M_DEVBUF); 774 sc_if->sk_cdata.sk_jumbo_buf = NULL; 775 printf("sk%d: no memory for jumbo " 776 "buffer queue!\n", sc_if->sk_unit); --- 21 unchanged lines hidden (view full) --- 798#ifdef SK_VERBOSE 799 printf("sk%d: no free jumbo buffers\n", sc_if->sk_unit); 800#endif 801 return(NULL); 802 } 803 804 SLIST_REMOVE_HEAD(&sc_if->sk_jfree_listhead, jpool_entries); 805 SLIST_INSERT_HEAD(&sc_if->sk_jinuse_listhead, entry, jpool_entries); | 764 ptr += SK_MCLBYTES; 765 entry = malloc(sizeof(struct sk_jpool_entry), 766 M_DEVBUF, M_NOWAIT); 767 if (entry == NULL) { 768 free(sc_if->sk_cdata.sk_jumbo_buf, M_DEVBUF); 769 sc_if->sk_cdata.sk_jumbo_buf = NULL; 770 printf("sk%d: no memory for jumbo " 771 "buffer queue!\n", sc_if->sk_unit); --- 21 unchanged lines hidden (view full) --- 793#ifdef SK_VERBOSE 794 printf("sk%d: no free jumbo buffers\n", sc_if->sk_unit); 795#endif 796 return(NULL); 797 } 798 799 SLIST_REMOVE_HEAD(&sc_if->sk_jfree_listhead, jpool_entries); 800 SLIST_INSERT_HEAD(&sc_if->sk_jinuse_listhead, entry, jpool_entries); |
| 806 sc_if->sk_cdata.sk_jslots[entry->slot].sk_inuse = 1; | |
| 807 return(sc_if->sk_cdata.sk_jslots[entry->slot].sk_buf); 808} 809 810/* | 801 return(sc_if->sk_cdata.sk_jslots[entry->slot].sk_buf); 802} 803 804/* |
| 811 * Adjust usage count on a jumbo buffer. In general this doesn't 812 * get used much because our jumbo buffers don't get passed around 813 * a lot, but it's implemented for correctness. 814 */ 815static void sk_jref(buf, size) 816 caddr_t buf; 817 u_int size; 818{ 819 struct sk_if_softc *sc_if; 820 u_int64_t **aptr; 821 register int i; 822 823 /* Extract the softc struct pointer. */ 824 aptr = (u_int64_t **)(buf - sizeof(u_int64_t)); 825 sc_if = (struct sk_if_softc *)(aptr[0]); 826 827 if (sc_if == NULL) 828 panic("sk_jref: can't find softc pointer!"); 829 830 if (size != SK_MCLBYTES) 831 panic("sk_jref: adjusting refcount of buf of wrong size!"); 832 833 /* calculate the slot this buffer belongs to */ 834 835 i = ((vm_offset_t)aptr 836 - (vm_offset_t)sc_if->sk_cdata.sk_jumbo_buf) / SK_JLEN; 837 838 if ((i < 0) || (i >= SK_JSLOTS)) 839 panic("sk_jref: asked to reference buffer " 840 "that we don't manage!"); 841 else if (sc_if->sk_cdata.sk_jslots[i].sk_inuse == 0) 842 panic("sk_jref: buffer already free!"); 843 else 844 sc_if->sk_cdata.sk_jslots[i].sk_inuse++; 845 846 return; 847} 848 849/* | |
| 850 * Release a jumbo buffer. 851 */ | 805 * Release a jumbo buffer. 806 */ |
| 852static void sk_jfree(buf, size) | 807static void sk_jfree(buf, args) |
| 853 caddr_t buf; | 808 caddr_t buf; |
| 854 u_int size; | 809 void *args; |
| 855{ 856 struct sk_if_softc *sc_if; 857 u_int64_t **aptr; 858 int i; 859 struct sk_jpool_entry *entry; 860 861 /* Extract the softc struct pointer. */ 862 aptr = (u_int64_t **)(buf - sizeof(u_int64_t)); 863 sc_if = (struct sk_if_softc *)(aptr[0]); 864 865 if (sc_if == NULL) 866 panic("sk_jfree: can't find softc pointer!"); 867 | 810{ 811 struct sk_if_softc *sc_if; 812 u_int64_t **aptr; 813 int i; 814 struct sk_jpool_entry *entry; 815 816 /* Extract the softc struct pointer. */ 817 aptr = (u_int64_t **)(buf - sizeof(u_int64_t)); 818 sc_if = (struct sk_if_softc *)(aptr[0]); 819 820 if (sc_if == NULL) 821 panic("sk_jfree: can't find softc pointer!"); 822 |
| 868 if (size != SK_MCLBYTES) 869 panic("sk_jfree: freeing buffer of wrong size!"); 870 | |
| 871 /* calculate the slot this buffer belongs to */ | 823 /* calculate the slot this buffer belongs to */ |
| 872 | |
| 873 i = ((vm_offset_t)aptr 874 - (vm_offset_t)sc_if->sk_cdata.sk_jumbo_buf) / SK_JLEN; 875 876 if ((i < 0) || (i >= SK_JSLOTS)) 877 panic("sk_jfree: asked to free buffer that we don't manage!"); | 824 i = ((vm_offset_t)aptr 825 - (vm_offset_t)sc_if->sk_cdata.sk_jumbo_buf) / SK_JLEN; 826 827 if ((i < 0) || (i >= SK_JSLOTS)) 828 panic("sk_jfree: asked to free buffer that we don't manage!"); |
| 878 else if (sc_if->sk_cdata.sk_jslots[i].sk_inuse == 0) 879 panic("sk_jfree: buffer already free!"); 880 else { 881 sc_if->sk_cdata.sk_jslots[i].sk_inuse--; 882 if(sc_if->sk_cdata.sk_jslots[i].sk_inuse == 0) { 883 entry = SLIST_FIRST(&sc_if->sk_jinuse_listhead); 884 if (entry == NULL) 885 panic("sk_jfree: buffer not in use!"); 886 entry->slot = i; 887 SLIST_REMOVE_HEAD(&sc_if->sk_jinuse_listhead, 888 jpool_entries); 889 SLIST_INSERT_HEAD(&sc_if->sk_jfree_listhead, 890 entry, jpool_entries); 891 } 892 } | |
| 893 | 829 |
| 830 entry = SLIST_FIRST(&sc_if->sk_jinuse_listhead); 831 if (entry == NULL) 832 panic("sk_jfree: buffer not in use!"); 833 entry->slot = i; 834 SLIST_REMOVE_HEAD(&sc_if->sk_jinuse_listhead, jpool_entries); 835 SLIST_INSERT_HEAD(&sc_if->sk_jfree_listhead, entry, jpool_entries); 836 |
|
| 894 return; 895} 896 897/* 898 * Set media options. 899 */ 900static int sk_ifmedia_upd(ifp) 901 struct ifnet *ifp; --- 1368 unchanged lines hidden --- | 837 return; 838} 839 840/* 841 * Set media options. 842 */ 843static int sk_ifmedia_upd(ifp) 844 struct ifnet *ifp; --- 1368 unchanged lines hidden --- |