| natm.c (111119) | natm.c (111888) |
|---|---|
| 1/* $NetBSD: natm.c,v 1.5 1996/11/09 03:26:26 chuck Exp $ */ | 1/* $NetBSD: natm.c,v 1.5 1996/11/09 03:26:26 chuck Exp $ */ |
| 2/* $FreeBSD: head/sys/netnatm/natm.c 111119 2003-02-19 05:47:46Z imp $ */ | 2/* $FreeBSD: head/sys/netnatm/natm.c 111888 2003-03-04 23:19:55Z jlemon $ */ |
| 3 4/* 5 * 6 * Copyright (c) 1996 Charles D. Cranor and Washington University. 7 * All rights reserved. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions --- 682 unchanged lines hidden (view full) --- 693 * natmintr: splsoftnet interrupt 694 * 695 * note: we expect a socket pointer in rcvif rather than an interface 696 * pointer. we can get the interface pointer from the so's PCB if 697 * we really need it. 698 */ 699 700void | 3 4/* 5 * 6 * Copyright (c) 1996 Charles D. Cranor and Washington University. 7 * All rights reserved. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions --- 682 unchanged lines hidden (view full) --- 693 * natmintr: splsoftnet interrupt 694 * 695 * note: we expect a socket pointer in rcvif rather than an interface 696 * pointer. we can get the interface pointer from the so's PCB if 697 * we really need it. 698 */ 699 700void |
| 701natmintr() 702 | 701natmintr(struct mbuf *m) |
| 703{ 704 int s; | 702{ 703 int s; |
| 705 struct mbuf *m; | |
| 706 struct socket *so; 707 struct natmpcb *npcb; 708 | 704 struct socket *so; 705 struct natmpcb *npcb; 706 |
| 709next: 710 s = splimp(); 711 IF_DEQUEUE(&natmintrq, m); 712 splx(s); 713 if (m == NULL) 714 return; 715 | |
| 716#ifdef DIAGNOSTIC 717 if ((m->m_flags & M_PKTHDR) == 0) 718 panic("natmintr no HDR"); 719#endif 720 721 npcb = (struct natmpcb *) m->m_pkthdr.rcvif; /* XXX: overloaded */ 722 so = npcb->npcb_socket; 723 724 s = splimp(); /* could have atm devs @ different levels */ 725 npcb->npcb_inq--; 726 splx(s); 727 728 if (npcb->npcb_flags & NPCB_DRAIN) { 729 m_freem(m); 730 if (npcb->npcb_inq == 0) 731 FREE(npcb, M_PCB); /* done! */ | 707#ifdef DIAGNOSTIC 708 if ((m->m_flags & M_PKTHDR) == 0) 709 panic("natmintr no HDR"); 710#endif 711 712 npcb = (struct natmpcb *) m->m_pkthdr.rcvif; /* XXX: overloaded */ 713 so = npcb->npcb_socket; 714 715 s = splimp(); /* could have atm devs @ different levels */ 716 npcb->npcb_inq--; 717 splx(s); 718 719 if (npcb->npcb_flags & NPCB_DRAIN) { 720 m_freem(m); 721 if (npcb->npcb_inq == 0) 722 FREE(npcb, M_PCB); /* done! */ |
| 732 goto next; | 723 return; |
| 733 } 734 735 if (npcb->npcb_flags & NPCB_FREE) { 736 m_freem(m); /* drop */ | 724 } 725 726 if (npcb->npcb_flags & NPCB_FREE) { 727 m_freem(m); /* drop */ |
| 737 goto next; | 728 return; |
| 738 } 739 740#ifdef NEED_TO_RESTORE_IFP 741 m->m_pkthdr.rcvif = npcb->npcb_ifp; 742#else 743#ifdef DIAGNOSTIC 744m->m_pkthdr.rcvif = NULL; /* null it out to be safe */ 745#endif --- 9 unchanged lines hidden (view full) --- 755 sorwakeup(so); 756 } else { 757#ifdef NATM_STAT 758 natm_sodropcnt++; 759 natm_sodropbytes += m->m_pkthdr.len; 760#endif 761 m_freem(m); 762 } | 729 } 730 731#ifdef NEED_TO_RESTORE_IFP 732 m->m_pkthdr.rcvif = npcb->npcb_ifp; 733#else 734#ifdef DIAGNOSTIC 735m->m_pkthdr.rcvif = NULL; /* null it out to be safe */ 736#endif --- 9 unchanged lines hidden (view full) --- 746 sorwakeup(so); 747 } else { 748#ifdef NATM_STAT 749 natm_sodropcnt++; 750 natm_sodropbytes += m->m_pkthdr.len; 751#endif 752 m_freem(m); 753 } |
| 763 764 goto next; | |
| 765} 766 | 754} 755 |
| 767#if defined(__FreeBSD__) 768static void 769netisr_natm_setup(void *dummy __unused) 770{ 771 772 register_netisr(NETISR_NATM, natmintr); 773} 774SYSINIT(natm_setup, SI_SUB_CPU, SI_ORDER_ANY, netisr_natm_setup, NULL); 775#endif 776 777 | |
| 778/* 779 * natm0_sysctl: not used, but here in case we want to add something 780 * later... 781 */ 782 783int natm0_sysctl(name, namelen, oldp, oldlenp, newp, newlen) 784 785int *name; --- 33 unchanged lines hidden --- | 756/* 757 * natm0_sysctl: not used, but here in case we want to add something 758 * later... 759 */ 760 761int natm0_sysctl(name, namelen, oldp, oldlenp, newp, newlen) 762 763int *name; --- 33 unchanged lines hidden --- |