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Free the dummynet descriptor in ip_dummynet, not in the called

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routines. The descriptor contains parameters which could be used
within those routines (eg. ip_output() ).

On passing, add IPPROTO_PGM entry to netinet/in.h
This commit is contained in:
Luigi Rizzo 1999-05-04 16:20:33 +00:00
parent 5e4b06fbd3
commit eaa726bed6
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=46420
5 changed files with 11 additions and 15 deletions
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4
sys/net/bridge.c
View File

@ -508,9 +508,7 @@ bdg_forward (struct mbuf **m0, struct ifnet *dst)
* processing was already done, and we need to go down.
*/
rule = (struct ip_fw_chain *)(m->m_data) ;
(*m0) = m->m_next ;
FREE(m, M_IPFW);
m = *m0 ;
(*m0) = m = m->m_next ;
src = m->m_pkthdr.rcvif; /* could be NULL in output */
eh = mtod(m, struct ether_header *); /* XXX */

5
sys/netinet/in.h
View File

@ -31,7 +31,7 @@
* SUCH DAMAGE.
*
* @(#)in.h 8.3 (Berkeley) 1/3/94
* $Id: in.h,v 1.39 1999/04/20 13:32:04 peter Exp $
* $Id: in.h,v 1.40 1999/04/28 11:37:43 phk Exp $
*/
#ifndef _NETINET_IN_H_
@ -140,7 +140,8 @@
#define IPPROTO_ENCAP 98 /* encapsulation header */
#define IPPROTO_APES 99 /* any private encr. scheme */
#define IPPROTO_GMTP 100 /* GMTP*/
/* 101-254: Unassigned */
/* 101-254: Partly Unassigned */
#define IPPROTO_PGM 113 /* PGM */
/* 255: Reserved */
/* BSD Private, local use, namespace incursion */
#define IPPROTO_DIVERT 254 /* divert pseudo-protocol */

9
sys/netinet/ip_dummynet.c
View File

@ -10,7 +10,7 @@
*
* This software is provided ``AS IS'' without any warranties of any kind.
*
* $Id: ip_dummynet.c,v 1.12 1999/04/20 13:32:04 peter Exp $
* $Id: ip_dummynet.c,v 1.13 1999/05/04 07:30:07 luigi Exp $
*/
/*
@ -211,8 +211,9 @@ dn_move(struct dn_pipe *pipe, int immediate)
* m_next = the actual mbuf to be processed by ip_input/output
* m_data = the matching rule
* The vestigial element is the same memory area used by
* the dn_pkt, and IS FREED IN ip_input/ip_output. IT IS
* NOT A REAL MBUF, just a block of memory acquired with malloc().
* the dn_pkt, and IS FREED HERE because it can contain
* parameters passed to the called routine. The buffer IS NOT
* A REAL MBUF, just a block of memory acquired with malloc().
*/
switch (pkt->dn_dir) {
case DN_TO_IP_OUT: {
@ -239,9 +240,9 @@ dn_move(struct dn_pipe *pipe, int immediate)
default:
printf("dummynet: bad switch %d!\n", pkt->dn_dir);
m_freem(pkt->dn_m);
FREE(pkt, M_IPFW);
break ;
}
FREE(pkt, M_IPFW);
}
}
/*

4
sys/netinet/ip_input.c
View File

@ -31,7 +31,7 @@
* SUCH DAMAGE.
*
* @(#)ip_input.c 8.2 (Berkeley) 1/4/94
* $Id: ip_input.c,v 1.117 1999/04/20 13:32:05 peter Exp $
* $Id: ip_input.c,v 1.118 1999/05/03 23:57:29 billf Exp $
*/
#define _IP_VHL
@ -256,10 +256,8 @@ ip_input(struct mbuf *m)
* rule.
*/
if (m->m_type == MT_DUMMYNET) {
struct mbuf *m0 = m ;
rule = (struct ip_fw_chain *)(m->m_data) ;
m = m->m_next ;
free(m0, M_IPFW);
ip = mtod(m, struct ip *);
hlen = IP_VHL_HL(ip->ip_vhl) << 2;
goto iphack ;

4
sys/netinet/ip_output.c
View File

@ -31,7 +31,7 @@
* SUCH DAMAGE.
*
* @(#)ip_output.c 8.3 (Berkeley) 1/21/94
* $Id: ip_output.c,v 1.88 1999/04/20 13:32:06 peter Exp $
* $Id: ip_output.c,v 1.89 1999/05/04 09:26:12 luigi Exp $
*/
#define _IP_VHL
@ -139,7 +139,6 @@ ip_output(m0, opt, ro, flags, imo)
* rule.
*/
if (m->m_type == MT_DUMMYNET) {
struct mbuf *tmp_m = m ;
/*
* the packet was already tagged, so part of the
* processing was already done, and we need to go down.
@ -148,7 +147,6 @@ ip_output(m0, opt, ro, flags, imo)
*/
rule = (struct ip_fw_chain *)(m->m_data) ;
m0 = m = m->m_next ;
free(tmp_m, M_IPFW);
ip = mtod(m, struct ip *);
dst = (struct sockaddr_in *)flags ;
ifp = (struct ifnet *)opt;