[src/trunk]: src/sys/net Sort initialization sequence in pppoe_clone_create()...

[yamaguchi <yamaguchi%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/006447dd26e5
branches:  trunk
changeset: 961703:006447dd26e5
user:      yamaguchi <yamaguchi%NetBSD.org@localhost>
date:      Fri Apr 16 01:44:35 2021 +0000

description:
Sort initialization sequence in pppoe_clone_create() out
for refactoring

It has no functionality impact

diffstat:

 sys/net/if_pppoe.c |  71 ++++++++++++++++++++++++++---------------------------
 1 files changed, 35 insertions(+), 36 deletions(-)

diffs (120 lines):

diff -r b9a49b42d047 -r 006447dd26e5 sys/net/if_pppoe.c
--- a/sys/net/if_pppoe.c        Fri Apr 16 01:32:04 2021 +0000
+++ b/sys/net/if_pppoe.c        Fri Apr 16 01:44:35 2021 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: if_pppoe.c,v 1.165 2021/04/16 01:32:04 yamaguchi Exp $ */
+/* $NetBSD: if_pppoe.c,v 1.166 2021/04/16 01:44:35 yamaguchi 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 1.165 2021/04/16 01:32:04 yamaguchi Exp $");
+__KERNEL_RCSID(0, "$NetBSD: if_pppoe.c,v 1.166 2021/04/16 01:44:35 yamaguchi Exp $");
 
 #ifdef _KERNEL_OPT
 #include "pppoe.h"
@@ -339,34 +339,43 @@
 pppoe_clone_create(struct if_clone *ifc, int unit)
 {
        struct pppoe_softc *sc;
+       struct ifnet *ifp;
        int rv;
 
        sc = kmem_zalloc(sizeof(*sc), KM_SLEEP);
+       ifp = &sc->sc_sppp.pp_if;
 
        rw_init(&sc->sc_lock);
        pppoe_softc_genid(&sc->sc_id);
-
-       if_initname(&sc->sc_sppp.pp_if, "pppoe", unit);
-       sc->sc_sppp.pp_if.if_softc = sc;
-       sc->sc_sppp.pp_if.if_mtu = PPPOE_MAXMTU;
-       sc->sc_sppp.pp_if.if_flags = IFF_SIMPLEX|IFF_POINTOPOINT|IFF_MULTICAST;
-#ifdef PPPOE_MPSAFE
-       sc->sc_sppp.pp_if.if_extflags = IFEF_MPSAFE;
-#endif
-       sc->sc_sppp.pp_if.if_type = IFT_PPP;
-       sc->sc_sppp.pp_if.if_hdrlen = sizeof(struct ether_header) + PPPOE_HEADERLEN;
-       sc->sc_sppp.pp_if.if_dlt = DLT_PPP_ETHER;
-       sc->sc_sppp.pp_flags |= PP_KEEPALIVE |  /* use LCP keepalive */
-                               PP_NOFRAMING;   /* no serial encapsulation */
-       sc->sc_sppp.pp_if.if_ioctl = pppoe_ioctl;
-       IFQ_SET_MAXLEN(&sc->sc_sppp.pp_if.if_snd, IFQ_MAXLEN);
-       IFQ_SET_READY(&sc->sc_sppp.pp_if.if_snd);
-
        /* changed to real address later */
        memcpy(&sc->sc_dest, etherbroadcastaddr, sizeof(sc->sc_dest));
 
+       if_initname(ifp, "pppoe", unit);
+       ifp->if_softc = sc;
+       ifp->if_mtu = PPPOE_MAXMTU;
+       ifp->if_flags = IFF_SIMPLEX|IFF_POINTOPOINT|IFF_MULTICAST;
+#ifdef PPPOE_MPSAFE
+       ifp->if_extflags = IFEF_MPSAFE;
+#endif
+       ifp->if_type = IFT_PPP;
+       ifp->if_hdrlen = sizeof(struct ether_header) + PPPOE_HEADERLEN;
+       ifp->if_dlt = DLT_PPP_ETHER;
+       ifp->if_ioctl = pppoe_ioctl;
+       ifp->if_start = pppoe_start;
+#ifdef PPPOE_MPSAFE
+       ifp->if_transmit = pppoe_transmit;
+#endif
+       IFQ_SET_MAXLEN(&ifp->if_snd, IFQ_MAXLEN);
+       IFQ_SET_READY(&ifp->if_snd);
+
+       sc->sc_sppp.pp_tls = pppoe_tls;
+       sc->sc_sppp.pp_tlf = pppoe_tlf;
+       sc->sc_sppp.pp_flags |= PP_KEEPALIVE |  /* use LCP keepalive */
+                               PP_NOFRAMING;   /* no serial encapsulation */
+       sc->sc_sppp.pp_framebytes = PPPOE_HEADERLEN;    /* framing added to ppp packets */
+
        rv = workqueue_create(&sc->sc_timeout_wq,
-           sc->sc_sppp.pp_if.if_xname, pppoe_timeout_wk, sc,
+           ifp->if_xname, pppoe_timeout_wk, sc,
            PRI_SOFTNET, IPL_SOFTNET, 0);
        if (rv != 0)
                goto destroy_sclock;
@@ -374,33 +383,23 @@
        callout_init(&sc->sc_timeout, CALLOUT_MPSAFE);
        callout_setfunc(&sc->sc_timeout, pppoe_timeout_co, sc);
 
-       sc->sc_sppp.pp_if.if_start = pppoe_start;
-#ifdef PPPOE_MPSAFE
-       sc->sc_sppp.pp_if.if_transmit = pppoe_transmit;
-#endif
-       sc->sc_sppp.pp_tls = pppoe_tls;
-       sc->sc_sppp.pp_tlf = pppoe_tlf;
-       sc->sc_sppp.pp_framebytes = PPPOE_HEADERLEN;    /* framing added to ppp packets */
-
-       rv = if_initialize(&sc->sc_sppp.pp_if);
+       rv = if_initialize(ifp);
        if (rv != 0)
                goto destroy_timeout;
 
-       sc->sc_sppp.pp_if.if_percpuq = if_percpuq_create(&sc->sc_sppp.pp_if);
-       sppp_attach(&sc->sc_sppp.pp_if);
+       ifp->if_percpuq = if_percpuq_create(ifp);
 
-       bpf_attach(&sc->sc_sppp.pp_if, DLT_PPP_ETHER, 0);
        rw_enter(&pppoe_softc_list_lock, RW_READER);
        if (LIST_EMPTY(&pppoe_softc_list)) {
                pfil_add_ihook(pppoe_ifattach_hook, NULL, PFIL_IFNET, if_pfil);
        }
+       LIST_INSERT_HEAD(&pppoe_softc_list, sc, sc_list);
        rw_exit(&pppoe_softc_list_lock);
 
-       if_register(&sc->sc_sppp.pp_if);
+       sppp_attach(ifp);
+       bpf_attach(ifp, DLT_PPP_ETHER, 0);
+       if_register(ifp);
 
-       rw_enter(&pppoe_softc_list_lock, RW_WRITER);
-       LIST_INSERT_HEAD(&pppoe_softc_list, sc, sc_list);
-       rw_exit(&pppoe_softc_list_lock);
        return 0;
 
 destroy_timeout: