Module Name:    src
Committed By:   martin
Date:           Tue Dec 12 16:45:00 UTC 2023

Modified Files:
        src/sbin/ifconfig [netbsd-10]: lagg.c
        src/sys/net/lagg [netbsd-10]: if_lagg.c

Log Message:
Pull up following revision(s) (requested by yamaguchi in ticket #491):

        sys/net/lagg/if_lagg.c: revision 1.56
        sys/net/lagg/if_lagg.c: revision 1.57
        sbin/ifconfig/lagg.c: revision 1.4

lagg(4): use sadl for lagg(4) configured by a user

lagg(4): eliminate unnecessary reset by the change of if_flags

Fix "ifconfig lagg* lagglacp -maxports" command

This command clears the setting of the maximum number of
lacp active ports. The command was accepted but it did not
work until this change.


To generate a diff of this commit:
cvs rdiff -u -r1.3 -r1.3.2.1 src/sbin/ifconfig/lagg.c
cvs rdiff -u -r1.48.4.2 -r1.48.4.3 src/sys/net/lagg/if_lagg.c

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.

Modified files:

Index: src/sbin/ifconfig/lagg.c
diff -u src/sbin/ifconfig/lagg.c:1.3 src/sbin/ifconfig/lagg.c:1.3.2.1
--- src/sbin/ifconfig/lagg.c:1.3	Thu Mar 31 01:53:22 2022
+++ src/sbin/ifconfig/lagg.c	Tue Dec 12 16:45:00 2023
@@ -1,4 +1,4 @@
-/*	$NetBSD: lagg.c,v 1.3 2022/03/31 01:53:22 yamaguchi Exp $	*/
+/*	$NetBSD: lagg.c,v 1.3.2.1 2023/12/12 16:45:00 martin Exp $	*/
 
 /*
  * Copyright (c) 2021 Internet Initiative Japan Inc.
@@ -28,7 +28,7 @@
 
 #include <sys/cdefs.h>
 #if !defined(lint)
-__RCSID("$NetBSD: lagg.c,v 1.3 2022/03/31 01:53:22 yamaguchi Exp $");
+__RCSID("$NetBSD: lagg.c,v 1.3.2.1 2023/12/12 16:45:00 martin Exp $");
 #endif /* !defined(lint) */
 
 #include <sys/param.h>
@@ -132,27 +132,35 @@ struct piface	 laggportpri_if = PIFACE_I
 
 static const struct kwinst	 lagglacpkw[] = {
 	  {.k_word = "dumpdu", .k_key = "lacpdumpdu",
-	   .k_type = KW_T_INT, .k_int = LAGGLACPOPT_DUMPDU}
+	   .k_type = KW_T_INT, .k_int = LAGGLACPOPT_DUMPDU,
+	   .k_exec = setlagglacp}
 	, {.k_word = "-dumpdu", .k_key = "lacpdumpdu",
-	   .k_type = KW_T_INT, .k_int = -LAGGLACPOPT_DUMPDU}
+	   .k_type = KW_T_INT, .k_int = -LAGGLACPOPT_DUMPDU,
+	   .k_exec = setlagglacp}
 	, {.k_word = "stopdu", .k_key = "lacpstopdu",
-	   .k_type = KW_T_INT, .k_int = LAGGLACPOPT_STOPDU}
+	   .k_type = KW_T_INT, .k_int = LAGGLACPOPT_STOPDU,
+	   .k_exec = setlagglacp}
 	, {.k_word = "-stopdu", .k_key = "lacpstopdu",
-	   .k_type = KW_T_INT, .k_int = -LAGGLACPOPT_STOPDU}
+	   .k_type = KW_T_INT, .k_int = -LAGGLACPOPT_STOPDU,
+	   .k_exec = setlagglacp}
 	, {.k_word = "optimistic", .k_key = "lacpoptimistic",
-	   .k_type = KW_T_INT, .k_int = LAGGLACPOPT_OPTIMISTIC}
+	   .k_type = KW_T_INT, .k_int = LAGGLACPOPT_OPTIMISTIC,
+	   .k_exec = setlagglacp}
 	, {.k_word = "-optimistic", .k_key = "lacpoptimistic",
-	   .k_type = KW_T_INT, .k_int = -LAGGLACPOPT_OPTIMISTIC}
+	   .k_type = KW_T_INT, .k_int = -LAGGLACPOPT_OPTIMISTIC,
+	   .k_exec = setlagglacp}
 	, {.k_word = "maxports", .k_nextparser = &lagglacpmaxports.pi_parser}
 	, {.k_word = "-maxports", .k_key = "lacpmaxports",
-	   .k_type = KW_T_INT, .k_int = 0}
+	   .k_type = KW_T_INT, .k_int = 0, .k_exec = setlagglacpmaxports}
 	, {.k_word = "multi-linkspeed", .k_key = "lacpmultils",
-	   .k_type = KW_T_INT, .k_int = LAGGLACPOPT_MULTILS}
+	   .k_type = KW_T_INT, .k_int = LAGGLACPOPT_MULTILS,
+	   .k_exec = setlagglacp}
 	, {.k_word = "-multi-linkspeed", .k_key = "lacpmultils",
-	   .k_type = KW_T_INT, .k_int = -LAGGLACPOPT_MULTILS}
+	   .k_type = KW_T_INT, .k_int = -LAGGLACPOPT_MULTILS,
+	   .k_exec = setlagglacp}
 };
 struct pkw	 lagglacp = PKW_INITIALIZER(&lagglacp, "lagg-lacp-option",
-		    setlagglacp, NULL, lagglacpkw, __arraycount(lagglacpkw),
+		    NULL, NULL, lagglacpkw, __arraycount(lagglacpkw),
 		    &lagglacp_root.pb_parser);
 
 static const struct kwinst	 laggfailkw[] = {

Index: src/sys/net/lagg/if_lagg.c
diff -u src/sys/net/lagg/if_lagg.c:1.48.4.2 src/sys/net/lagg/if_lagg.c:1.48.4.3
--- src/sys/net/lagg/if_lagg.c:1.48.4.2	Mon Nov 27 20:05:57 2023
+++ src/sys/net/lagg/if_lagg.c	Tue Dec 12 16:45:00 2023
@@ -1,4 +1,4 @@
-/*	$NetBSD: if_lagg.c,v 1.48.4.2 2023/11/27 20:05:57 martin Exp $	*/
+/*	$NetBSD: if_lagg.c,v 1.48.4.3 2023/12/12 16:45:00 martin Exp $	*/
 
 /*
  * Copyright (c) 2005, 2006 Reyk Floeter <r...@openbsd.org>
@@ -20,7 +20,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: if_lagg.c,v 1.48.4.2 2023/11/27 20:05:57 martin Exp $");
+__KERNEL_RCSID(0, "$NetBSD: if_lagg.c,v 1.48.4.3 2023/12/12 16:45:00 martin Exp $");
 
 #ifdef _KERNEL_OPT
 #include "opt_inet.h"
@@ -722,7 +722,6 @@ lagg_ioctl(struct ifnet *ifp, u_long cmd
 			if_stop(ifp, 1);
 			break;
 		case IFF_UP:
-		case IFF_UP | IFF_RUNNING:
 			error = if_init(ifp);
 			break;
 		}
@@ -2178,13 +2177,20 @@ lagg_port_setup(struct lagg_softc *sc,
 	struct ifnet *ifp;
 	u_char if_type;
 	int error;
-	bool stopped, is_1st_port;
+	bool stopped, use_lagg_sadl;
 
 	KASSERT(LAGG_LOCKED(sc));
 	IFNET_ASSERT_UNLOCKED(ifp_port);
 
 	ifp = &sc->sc_if;
-	is_1st_port = SIMPLEQ_EMPTY(&sc->sc_ports);
+
+	use_lagg_sadl = true;
+	if (SIMPLEQ_EMPTY(&sc->sc_ports) &&
+	    ifp_port->if_type == IFT_ETHER) {
+		if (lagg_lladdr_equal(CLLADDR(ifp->if_sadl),
+		    sc->sc_lladdr_rand))
+			use_lagg_sadl = false;
+	}
 
 	if (&sc->sc_if == ifp_port) {
 		LAGG_DPRINTF(sc, "cannot add a lagg to itself as a port\n");
@@ -2252,11 +2258,14 @@ lagg_port_setup(struct lagg_softc *sc,
 	ifp_port->if_ioctl = lagg_port_ioctl;
 	ifp_port->_if_input = lagg_input_ethernet;
 	ifp_port->if_output = lagg_port_output;
-	if (is_1st_port) {
+
+	/* update Link address */
+	if (use_lagg_sadl) {
+		lagg_port_setsadl(lp, CLLADDR(ifp->if_sadl));
+	} else {
+		/* update if_type in if_sadl */
 		if (lp->lp_iftype != ifp_port->if_type)
 			lagg_port_setsadl(lp, NULL);
-	} else {
-		lagg_port_setsadl(lp, CLLADDR(ifp->if_sadl));
 	}
 
 	error = lagg_setmtu(ifp_port, ifp->if_mtu);
@@ -2277,13 +2286,9 @@ lagg_port_setup(struct lagg_softc *sc,
 	/* setup of ifp_port is complete */
 	IFNET_UNLOCK(ifp_port);
 
-	if (is_1st_port) {
-		if (lp->lp_iftype == IFT_ETHER &&
-		    lagg_lladdr_equal(sc->sc_lladdr_rand,
-		    CLLADDR(ifp->if_sadl))) {
-			lagg_if_setsadl(sc, lp->lp_lladdr);
-		}
-	}
+	/* copy sadl from added port to lagg */
+	if (!use_lagg_sadl)
+		lagg_if_setsadl(sc, lp->lp_lladdr);
 
 	SIMPLEQ_INSERT_TAIL(&sc->sc_ports, lp, lp_entry);
 	sc->sc_nports++;

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