[src/trunk]: src/sys/net Add a function for RCA and RCN event

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

details:   https://anonhg.NetBSD.org/src/rev/4f521ba41485
branches:  trunk
changeset: 957345:4f521ba41485
user:      yamaguchi <yamaguchi%NetBSD.org@localhost>
date:      Wed Nov 25 09:21:53 2020 +0000

description:
Add a function for RCA and RCN event

diffstat:

 sys/net/if_spppsubr.c |  144 ++++++++++++++++++++++++++++---------------------
 1 files changed, 81 insertions(+), 63 deletions(-)

diffs (186 lines):

diff -r 7e87ece4fae1 -r 4f521ba41485 sys/net/if_spppsubr.c
--- a/sys/net/if_spppsubr.c     Wed Nov 25 09:18:45 2020 +0000
+++ b/sys/net/if_spppsubr.c     Wed Nov 25 09:21:53 2020 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: if_spppsubr.c,v 1.194 2020/11/25 09:18:45 yamaguchi Exp $       */
+/*     $NetBSD: if_spppsubr.c,v 1.195 2020/11/25 09:21:53 yamaguchi Exp $       */
 
 /*
  * Synchronous PPP/Cisco link level subroutines.
@@ -41,7 +41,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: if_spppsubr.c,v 1.194 2020/11/25 09:18:45 yamaguchi Exp $");
+__KERNEL_RCSID(0, "$NetBSD: if_spppsubr.c,v 1.195 2020/11/25 09:21:53 yamaguchi Exp $");
 
 #if defined(_KERNEL_OPT)
 #include "opt_inet.h"
@@ -316,6 +316,8 @@
 static void sppp_close_event(const struct cp *, struct sppp *);
 static void sppp_to_event(const struct cp *, struct sppp *);
 static void sppp_rcr_event(const struct cp *, struct sppp *);
+static void sppp_rca_event(const struct cp *, struct sppp *);
+static void sppp_rcn_event(const struct cp *, struct sppp *);
 
 static void sppp_null(struct sppp *);
 static void sppp_sca_scn(const struct cp *, struct sppp *);
@@ -1542,40 +1544,7 @@
                        if_statinc(ifp, if_ierrors);
                        break;
                }
-               switch (sp->scp[cp->protoidx].state) {
-               case STATE_CLOSED:
-               case STATE_STOPPED:
-                       sppp_cp_send(sp, cp->proto, TERM_ACK, h->ident, 0, 0);
-                       break;
-               case STATE_CLOSING:
-               case STATE_STOPPING:
-                       break;
-               case STATE_REQ_SENT:
-                       sp->scp[cp->protoidx].rst_counter = sp->lcp.max_configure;
-                       sppp_cp_change_state(cp, sp, STATE_ACK_RCVD);
-                       break;
-               case STATE_OPENED:
-                       (cp->tld)(sp);
-                       /* fall through */
-               case STATE_ACK_RCVD:
-                       (cp->scr)(sp);
-                       sppp_cp_change_state(cp, sp, STATE_REQ_SENT);
-                       break;
-               case STATE_ACK_SENT:
-                       sp->scp[cp->protoidx].rst_counter = sp->lcp.max_configure;
-                       sppp_cp_change_state(cp, sp, STATE_OPENED);
-                       if (debug)
-                               log(LOG_DEBUG, "%s: %s tlu\n",
-                                      ifp->if_xname, cp->name);
-                       (cp->tlu)(sp);
-                       break;
-               default:
-                       printf("%s: %s illegal %s in state %s\n",
-                              ifp->if_xname, cp->name,
-                              sppp_cp_type_name(h->type),
-                              sppp_state_name(sp->scp[cp->protoidx].state));
-                       if_statinc(ifp, if_ierrors);
-               }
+               sppp_rca_event(cp, sp);
                break;
        case CONF_NAK:
        case CONF_REJ:
@@ -1592,33 +1561,7 @@
                else /* CONF_REJ */
                        (cp->RCN_rej)(sp, h, len);
 
-               switch (sp->scp[cp->protoidx].state) {
-               case STATE_CLOSED:
-               case STATE_STOPPED:
-                       sppp_cp_send(sp, cp->proto, TERM_ACK, h->ident, 0, 0);
-                       break;
-               case STATE_REQ_SENT:
-               case STATE_ACK_SENT:
-                       sp->scp[cp->protoidx].rst_counter = sp->lcp.max_configure;
-                       (cp->scr)(sp);
-                       break;
-               case STATE_OPENED:
-                       (cp->tld)(sp);
-                       /* fall through */
-               case STATE_ACK_RCVD:
-                       sppp_cp_change_state(cp, sp, STATE_ACK_SENT);
-                       (cp->scr)(sp);
-                       break;
-               case STATE_CLOSING:
-               case STATE_STOPPING:
-                       break;
-               default:
-                       printf("%s: %s illegal %s in state %s\n",
-                              ifp->if_xname, cp->name,
-                              sppp_cp_type_name(h->type),
-                              sppp_state_name(sp->scp[cp->protoidx].state));
-                       if_statinc(ifp, if_ierrors);
-               }
+               sppp_rcn_event(cp, sp);
                break;
 
        case TERM_REQ:
@@ -2169,6 +2112,81 @@
        }
 }
 
+static void
+sppp_rca_event(const struct cp *cp, struct sppp *sp)
+{
+       STDDCL;
+
+       switch (sp->scp[cp->protoidx].state) {
+       case STATE_CLOSED:
+       case STATE_STOPPED:
+               sppp_cp_send(sp, cp->proto, TERM_ACK,
+                   sp->scp[cp->protoidx].rconfid, 0, 0);
+               break;
+       case STATE_CLOSING:
+       case STATE_STOPPING:
+               break;
+       case STATE_REQ_SENT:
+               sp->scp[cp->protoidx].rst_counter = sp->lcp.max_configure;
+               sppp_cp_change_state(cp, sp, STATE_ACK_RCVD);
+               break;
+       case STATE_OPENED:
+               (cp->tld)(sp);
+               /* fall through */
+       case STATE_ACK_RCVD:
+               (cp->scr)(sp);
+               sppp_cp_change_state(cp, sp, STATE_REQ_SENT);
+               break;
+       case STATE_ACK_SENT:
+               sppp_cp_change_state(cp, sp, STATE_OPENED);
+               sp->scp[cp->protoidx].rst_counter = sp->lcp.max_configure;
+               if (debug)
+                       log(LOG_DEBUG, "%s: %s tlu\n",
+                              ifp->if_xname, cp->name);
+               (cp->tlu)(sp);
+               break;
+       default:
+               printf("%s: %s illegal RCA in state %s\n",
+                      ifp->if_xname, cp->name,
+                      sppp_state_name(sp->scp[cp->protoidx].state));
+               if_statinc(ifp, if_ierrors);
+       }
+}
+
+static void
+sppp_rcn_event(const struct cp *cp, struct sppp *sp)
+{
+       struct ifnet *ifp = &sp->pp_if;
+
+       switch (sp->scp[cp->protoidx].state) {
+       case STATE_CLOSED:
+       case STATE_STOPPED:
+               sppp_cp_send(sp, cp->proto, TERM_ACK,
+                   sp->scp[cp->protoidx].rconfid, 0, 0);
+               break;
+       case STATE_REQ_SENT:
+       case STATE_ACK_SENT:
+               sp->scp[cp->protoidx].rst_counter = sp->lcp.max_configure;
+               (cp->scr)(sp);
+               break;
+       case STATE_OPENED:
+               (cp->tld)(sp);
+               /* fall through */
+       case STATE_ACK_RCVD:
+               sppp_cp_change_state(cp, sp, STATE_ACK_SENT);
+               (cp->scr)(sp);
+               break;
+       case STATE_CLOSING:
+       case STATE_STOPPING:
+               break;
+       default:
+               printf("%s: %s illegal RCN in state %s\n",
+                      ifp->if_xname, cp->name,
+                      sppp_state_name(sp->scp[cp->protoidx].state));
+               if_statinc(ifp, if_ierrors);
+       }
+}
+
 /*
  * Change the state of a control protocol in the state automaton.
  * Takes care of starting/stopping the restart timer.