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net.pppoe.term_unknown can be written safely now.

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This commit is contained in:
knakahara 2018-04-18 07:36:26 +00:00
parent 66077ec001
commit d0a346b782
1 changed files with 6 additions and 5 deletions
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11
sys/net/if_pppoe.c
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@ -1,4 +1,4 @@
/* $NetBSD: if_pppoe.c,v 1.134 2018/02/12 15:38:14 maxv Exp $ */
/* $NetBSD: if_pppoe.c,v 1.135 2018/04/18 07:36:26 knakahara Exp $ */
/*-
* Copyright (c) 2002, 2008 The NetBSD Foundation, Inc.
@ -30,7 +30,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: if_pppoe.c,v 1.134 2018/02/12 15:38:14 maxv Exp $");
__KERNEL_RCSID(0, "$NetBSD: if_pppoe.c,v 1.135 2018/04/18 07:36:26 knakahara Exp $");
#ifdef _KERNEL_OPT
#include "pppoe.h"
@ -960,10 +960,11 @@ pppoe_data_input(struct mbuf *m)
struct ifnet *rcvif;
struct psref psref;
uint8_t shost[ETHER_ADDR_LEN];
bool term_unknown = pppoe_term_unknown;
KASSERT(m->m_flags & M_PKTHDR);
if (pppoe_term_unknown)
if (term_unknown)
memcpy(shost, mtod(m, struct ether_header*)->ether_shost,
ETHER_ADDR_LEN);
m_adj(m, sizeof(struct ether_header));
@ -996,7 +997,7 @@ pppoe_data_input(struct mbuf *m)
goto drop;
sc = pppoe_find_softc_by_session(session, rcvif, RW_READER);
if (sc == NULL) {
if (pppoe_term_unknown) {
if (term_unknown) {
printf("pppoe: input for unknown session %#x, "
"sending PADT\n", session);
pppoe_send_padt(rcvif, session, shost);
@ -1941,7 +1942,7 @@ sysctl_net_pppoe_setup(struct sysctllog **clog)
return;
sysctl_createv(clog, 0, &node, NULL,
CTLFLAG_PERMANENT | CTLFLAG_READONLY,
CTLFLAG_PERMANENT | CTLFLAG_READWRITE,
CTLTYPE_BOOL, "term_unknown",
SYSCTL_DESCR("Terminate unknown sessions"),
NULL, 0, &pppoe_term_unknown, sizeof(pppoe_term_unknown),