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[src/trunk]: src/sys/net net.pppoe.term_unknown can be written safely now.



details:   https://anonhg.NetBSD.org/src/rev/541b5a56a16d
branches:  trunk
changeset: 831884:541b5a56a16d
user:      knakahara <knakahara%NetBSD.org@localhost>
date:      Wed Apr 18 07:36:26 2018 +0000

description:
net.pppoe.term_unknown can be written safely now.

diffstat:

 sys/net/if_pppoe.c |  11 ++++++-----
 1 files changed, 6 insertions(+), 5 deletions(-)

diffs (49 lines):

diff -r 3352c8463c9d -r 541b5a56a16d sys/net/if_pppoe.c
--- a/sys/net/if_pppoe.c        Wed Apr 18 07:32:44 2018 +0000
+++ b/sys/net/if_pppoe.c        Wed Apr 18 07:36:26 2018 +0000
@@ -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 @@
        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 @@
                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 @@
                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),



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