Module Name:    src
Committed By:   martin
Date:           Mon Nov 27 20:05:57 UTC 2023

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

Log Message:
Pull up following revision(s) (requested by yamaguchi in ticket #476):

        sys/net/lagg/if_lagg.c: revision 1.52
        sys/net/lagg/if_lagg.c: revision 1.53
        sys/net/lagg/if_lagg_lacp.c: revision 1.26
        sys/net/lagg/if_lagg_lacp.c: revision 1.27

Change LACPDU sending interval by TIMEOUT bit in partner's state

Update sending interval when the partner's state is changed

lagg(4): Fix missing pfil_run_hooks() and bpf_mtap()

Set ETHERCAP_VLAN_HWTAGGING on lagg(4)
that doesn't has physical interfaces


To generate a diff of this commit:
cvs rdiff -u -r1.48.4.1 -r1.48.4.2 src/sys/net/lagg/if_lagg.c
cvs rdiff -u -r1.25 -r1.25.4.1 src/sys/net/lagg/if_lagg_lacp.c

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

Modified files:

Index: src/sys/net/lagg/if_lagg.c
diff -u src/sys/net/lagg/if_lagg.c:1.48.4.1 src/sys/net/lagg/if_lagg.c:1.48.4.2
--- src/sys/net/lagg/if_lagg.c:1.48.4.1	Thu Oct 19 07:23:50 2023
+++ src/sys/net/lagg/if_lagg.c	Mon Nov 27 20:05:57 2023
@@ -1,4 +1,4 @@
-/*	$NetBSD: if_lagg.c,v 1.48.4.1 2023/10/19 07:23:50 martin Exp $	*/
+/*	$NetBSD: if_lagg.c,v 1.48.4.2 2023/11/27 20:05:57 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 1.48.4.1 2023/10/19 07:23:50 martin Exp $");
+__KERNEL_RCSID(0, "$NetBSD: if_lagg.c,v 1.48.4.2 2023/11/27 20:05:57 martin Exp $");
 
 #ifdef _KERNEL_OPT
 #include "opt_inet.h"
@@ -365,6 +365,7 @@ lagg_clone_create(struct if_clone *ifc, 
 {
 	struct lagg_softc *sc;
 	struct ifnet *ifp;
+	struct ethercom *ec;
 	int error;
 
 	sc = lagg_softc_alloc(lagg_iftype);
@@ -406,11 +407,19 @@ lagg_clone_create(struct if_clone *ifc, 
 
 	switch (lagg_iftype) {
 	case LAGG_IF_TYPE_ETHERNET:
+		ec = (struct ethercom *)ifp;
 		cprng_fast(sc->sc_lladdr_rand, sizeof(sc->sc_lladdr_rand));
 		sc->sc_lladdr_rand[0] &= 0xFE; /* clear I/G bit */
 		sc->sc_lladdr_rand[0] |= 0x02; /* set G/L bit */
 		lagg_lladdr_cpy(sc->sc_lladdr, sc->sc_lladdr_rand);
-		ether_set_vlan_cb((struct ethercom *)ifp, lagg_vlan_cb);
+		ether_set_vlan_cb(ec, lagg_vlan_cb);
+
+		/*
+		 * notify ETHERCAP_VLAN_HWTAGGING to ether_ifattach
+		 * to handle VLAN tag, stripped by hardware, in bpf(4)
+		 */
+		ec->ec_capabilities = ETHERCAP_VLAN_HWTAGGING;
+
 		ether_ifattach(ifp, sc->sc_lladdr_rand);
 		break;
 	default:
@@ -1056,6 +1065,11 @@ lagg_output(struct lagg_softc *sc, struc
 	len = m->m_pkthdr.len;
 	mflags = m->m_flags;
 
+	error = pfil_run_hooks(ifp->if_pfil, &m, ifp, PFIL_OUT);
+	if (error != 0)
+		return;
+	bpf_mtap(ifp, m, BPF_D_OUT);
+
 	error = lagg_port_xmit(lp, m);
 	if (error) {
 		/* mbuf is already freed */
@@ -1967,31 +1981,31 @@ lagg_ethercap_update(struct lagg_softc *
 	if (sc->sc_if.if_type != IFT_ETHER)
 		return;
 
-	/* Get common enabled capabilities for the lagg ports */
-	ena = ~0;
-	cap = ~0;
-	LAGG_PORTS_FOREACH(sc, lp) {
-		switch (lp->lp_iftype) {
-		case IFT_ETHER:
-			ec = (struct ethercom *)lp->lp_ifp;
-			ena &= ec->ec_capenable;
-			cap &= ec->ec_capabilities;
-			break;
-		case IFT_L2TP:
-			ena &= (ETHERCAP_VLAN_MTU | ETHERCAP_JUMBO_MTU);
-			cap &= (ETHERCAP_VLAN_MTU | ETHERCAP_JUMBO_MTU);
-			break;
-		default:
-			ena = 0;
-			cap = 0;
+	if (SIMPLEQ_EMPTY(&sc->sc_ports)) {
+		ena = 0;
+		cap = ETHERCAP_VLAN_HWTAGGING;
+	} else {
+		/* Get common enabled capabilities for the lagg ports */
+		ena = ~0;
+		cap = ~0;
+		LAGG_PORTS_FOREACH(sc, lp) {
+			switch (lp->lp_iftype) {
+			case IFT_ETHER:
+				ec = (struct ethercom *)lp->lp_ifp;
+				ena &= ec->ec_capenable;
+				cap &= ec->ec_capabilities;
+				break;
+			case IFT_L2TP:
+				ena &= (ETHERCAP_VLAN_MTU | ETHERCAP_JUMBO_MTU);
+				cap &= (ETHERCAP_VLAN_MTU | ETHERCAP_JUMBO_MTU);
+				break;
+			default:
+				ena = 0;
+				cap = 0;
+			}
 		}
 	}
 
-	if (ena == ~0)
-		ena = 0;
-	if (cap == ~0)
-		cap = 0;
-
 	/*
 	 * Apply common enabled capabilities back to the lagg ports.
 	 * May require several iterations if they are dependent.

Index: src/sys/net/lagg/if_lagg_lacp.c
diff -u src/sys/net/lagg/if_lagg_lacp.c:1.25 src/sys/net/lagg/if_lagg_lacp.c:1.25.4.1
--- src/sys/net/lagg/if_lagg_lacp.c:1.25	Sun Apr 10 09:50:46 2022
+++ src/sys/net/lagg/if_lagg_lacp.c	Mon Nov 27 20:05:57 2023
@@ -1,4 +1,4 @@
-/*	$NetBSD: if_lagg_lacp.c,v 1.25 2022/04/10 09:50:46 andvar Exp $	*/
+/*	$NetBSD: if_lagg_lacp.c,v 1.25.4.1 2023/11/27 20:05:57 martin Exp $	*/
 
 /*-
  * SPDX-License-Identifier: BSD-2-Clause-NetBSD
@@ -31,7 +31,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: if_lagg_lacp.c,v 1.25 2022/04/10 09:50:46 andvar Exp $");
+__KERNEL_RCSID(0, "$NetBSD: if_lagg_lacp.c,v 1.25.4.1 2023/11/27 20:05:57 martin Exp $");
 
 #ifdef _KERNEL_OPT
 #include "opt_lagg.h"
@@ -1689,6 +1689,8 @@ lacp_sm_rx_record_default(struct lacp_so
 		LACP_STATE_STR(pi->lpi_state, buf, sizeof(buf));
 		LACP_DPRINTF((lsc, lacpp, "newpstate %s\n", buf));
 	}
+
+	lacp_sm_ptx_update_timeout(lacpp, oldpstate);
 }
 
 static inline bool
@@ -1764,12 +1766,17 @@ lacp_sm_rx_record_peerinfo(struct lacp_s
 static void
 lacp_sm_rx_set_expired(struct lacp_port *lacpp)
 {
+	uint8_t oldpstate;
+
+	oldpstate = lacpp->lp_partner.lpi_state;
 
 	CLR(lacpp->lp_partner.lpi_state, LACP_STATE_SYNC);
 	SET(lacpp->lp_partner.lpi_state, LACP_STATE_TIMEOUT);
 	LACP_TIMER_ARM(lacpp, LACP_TIMER_CURRENT_WHILE,
 	    LACP_SHORT_TIMEOUT_TIME);
 	SET(lacpp->lp_actor.lpi_state, LACP_STATE_EXPIRED);
+
+	lacp_sm_ptx_update_timeout(lacpp, oldpstate);
 }
 
 static void
@@ -1855,7 +1862,7 @@ lacp_sm_ptx_schedule(struct lacp_port *l
 	if (LACP_TIMER_ISARMED(lacpp, LACP_TIMER_PERIODIC))
 		return;
 
-	timeout = ISSET(lacpp->lp_actor.lpi_state, LACP_STATE_TIMEOUT) ?
+	timeout = ISSET(lacpp->lp_partner.lpi_state, LACP_STATE_TIMEOUT) ?
 		LACP_FAST_PERIODIC_TIME : LACP_SLOW_PERIODIC_TIME;
 
 	LACP_TIMER_ARM(lacpp, LACP_TIMER_PERIODIC, timeout);

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