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[src/trunk]: src/sys/netipsec Remove useless icmp6.h include, remove manual e...



details:   https://anonhg.NetBSD.org/src/rev/fb891bfb42e6
branches:  trunk
changeset: 361444:fb891bfb42e6
user:      maxv <maxv%NetBSD.org@localhost>
date:      Sun Apr 29 14:54:09 2018 +0000

description:
Remove useless icmp6.h include, remove manual externs and include in6.h
to get proper definitions, and remove duplicate logic in
ipsec6_common_input_cb.

diffstat:

 sys/netipsec/ipsec_input.c |  23 +++++++----------------
 1 files changed, 7 insertions(+), 16 deletions(-)

diffs (85 lines):

diff -r 9abf4ad70213 -r fb891bfb42e6 sys/netipsec/ipsec_input.c
--- a/sys/netipsec/ipsec_input.c        Sun Apr 29 14:35:35 2018 +0000
+++ b/sys/netipsec/ipsec_input.c        Sun Apr 29 14:54:09 2018 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: ipsec_input.c,v 1.68 2018/04/29 14:35:35 maxv Exp $    */
+/*     $NetBSD: ipsec_input.c,v 1.69 2018/04/29 14:54:09 maxv Exp $    */
 /*     $FreeBSD: ipsec_input.c,v 1.2.4.2 2003/03/28 20:32:53 sam Exp $ */
 /*     $OpenBSD: ipsec_input.c,v 1.63 2003/02/20 18:35:43 deraadt Exp $        */
 
@@ -39,7 +39,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: ipsec_input.c,v 1.68 2018/04/29 14:35:35 maxv Exp $");
+__KERNEL_RCSID(0, "$NetBSD: ipsec_input.c,v 1.69 2018/04/29 14:54:09 maxv Exp $");
 
 /*
  * IPsec input processing.
@@ -72,14 +72,12 @@
 
 #include <netinet/ip6.h>
 #ifdef INET6
+#include <netinet6/in6.h>
 #include <netinet6/ip6_var.h>
 #include <netinet6/ip6_private.h>
 #include <netinet6/scope6_var.h>
 #endif
 #include <netinet/in_pcb.h>
-#ifdef INET6
-#include <netinet/icmp6.h>
-#endif
 
 #include <netipsec/ipsec.h>
 #include <netipsec/ipsec_private.h>
@@ -377,7 +375,7 @@
 
        M_VERIFY_PACKET(m);
 
-       key_sa_recordxfer(sav, m);              /* record data transfer */
+       key_sa_recordxfer(sav, m);
 
        if ((inetsw[ip_protox[prot]].pr_flags & PR_LASTHDR) != 0 &&
            ipsec_in_reject(m, NULL)) {
@@ -446,9 +444,6 @@
        return IPPROTO_DONE;
 }
 
-extern const struct ip6protosw inet6sw[];
-extern u_char ip6_protox[];
-
 /*
  * IPsec input callback, called by the transform callback. Takes care of
  * filtering and other sanity checks on the processed packet.
@@ -461,7 +456,7 @@
        struct ip6_hdr *ip6;
        struct secasindex *saidx;
        int nxt;
-       u_int8_t prot, nxt8;
+       u_int8_t prot;
        int error, nest;
 
        if (__predict_false(m == NULL)) {
@@ -493,20 +488,16 @@
        ip6 = mtod(m, struct ip6_hdr *);
        ip6->ip6_plen = htons(m->m_pkthdr.len - sizeof(struct ip6_hdr));
 
-       /* Save protocol */
-       m_copydata(m, protoff, 1, &prot);
+       m_copydata(m, protoff, sizeof(prot), &prot);
 
        key_sa_recordxfer(sav, m);
 
-       /* Retrieve new protocol */
-       m_copydata(m, protoff, sizeof(u_int8_t), &nxt8);
-
        /*
         * See the end of ip6_input for this logic.
         * IPPROTO_IPV[46] case will be processed just like other ones
         */
        nest = 0;
-       nxt = nxt8;
+       nxt = prot;
        while (nxt != IPPROTO_DONE) {
                if (ip6_hdrnestlimit && (++nest > ip6_hdrnestlimit)) {
                        IP6_STATINC(IP6_STAT_TOOMANYHDR);



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