Date: Fri, 3 Jun 2022 04:49:26 GMT From: Wojciech Macek <wma@FreeBSD.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-branches@FreeBSD.org Subject: git: 067a4b656b9b - stable/13 - [vlan + lagg] add IFNET_EVENT_UPDATE_BAUDRATE event Message-ID: <202206030449.2534nQxB036812@gitrepo.freebsd.org>
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The branch stable/13 has been updated by wma: URL: https://cgit.FreeBSD.org/src/commit/?id=067a4b656b9bf19873e8acf6b25ed9e07442cc83 commit 067a4b656b9bf19873e8acf6b25ed9e07442cc83 Author: Andrey V. Elsukov <ae@FreeBSD.org> AuthorDate: 2022-05-19 06:02:27 +0000 Commit: Wojciech Macek <wma@FreeBSD.org> CommitDate: 2022-06-03 04:48:31 +0000 [vlan + lagg] add IFNET_EVENT_UPDATE_BAUDRATE event use it to update if_baudrate for vlan interfaces created on the LACP lagg. Differential revision: https://reviews.freebsd.org/D33405 (cherry picked from commit f2ab91608440338e5574eff098ad4f69e4541a1d) --- sys/net/ieee8023ad_lacp.c | 2 ++ sys/net/if_var.h | 1 + sys/net/if_vlan.c | 35 +++++++++++++++++++++++++++++++++++ 3 files changed, 38 insertions(+) diff --git a/sys/net/ieee8023ad_lacp.c b/sys/net/ieee8023ad_lacp.c index a683669de5dc..d1ee6eab4b35 100644 --- a/sys/net/ieee8023ad_lacp.c +++ b/sys/net/ieee8023ad_lacp.c @@ -1089,6 +1089,8 @@ lacp_update_portmap(struct lacp_softc *lsc) speed = lacp_aggregator_bandwidth(la); } sc->sc_ifp->if_baudrate = speed; + EVENTHANDLER_INVOKE(ifnet_event, sc->sc_ifp, + IFNET_EVENT_UPDATE_BAUDRATE); /* switch the active portmap over */ atomic_store_rel_int(&lsc->lsc_activemap, newmap); diff --git a/sys/net/if_var.h b/sys/net/if_var.h index 05751c640392..48da169fd1d6 100644 --- a/sys/net/if_var.h +++ b/sys/net/if_var.h @@ -484,6 +484,7 @@ EVENTHANDLER_DECLARE(ifnet_link_event, ifnet_link_event_handler_t); #define IFNET_EVENT_UP 0 #define IFNET_EVENT_DOWN 1 #define IFNET_EVENT_PCP 2 /* priority code point, PCP */ +#define IFNET_EVENT_UPDATE_BAUDRATE 3 typedef void (*ifnet_event_fn)(void *, struct ifnet *ifp, int event); EVENTHANDLER_DECLARE(ifnet_event, ifnet_event_fn); diff --git a/sys/net/if_vlan.c b/sys/net/if_vlan.c index 10a254d22440..79f2834e50ff 100644 --- a/sys/net/if_vlan.c +++ b/sys/net/if_vlan.c @@ -220,6 +220,7 @@ static MALLOC_DEFINE(M_VLAN, vlanname, "802.1Q Virtual LAN Interface"); static eventhandler_tag ifdetach_tag; static eventhandler_tag iflladdr_tag; +static eventhandler_tag ifevent_tag; /* * if_vlan uses two module-level synchronizations primitives to allow concurrent @@ -326,6 +327,7 @@ static int vlan_clone_destroy(struct if_clone *, struct ifnet *); static void vlan_ifdetach(void *arg, struct ifnet *ifp); static void vlan_iflladdr(void *arg, struct ifnet *ifp); +static void vlan_ifevent(void *arg, struct ifnet *ifp, int event); static void vlan_lladdr_fn(void *arg, int pending); @@ -634,6 +636,34 @@ vlan_setmulti(struct ifnet *ifp) return (0); } +/* + * A handler for interface ifnet events. + */ +static void +vlan_ifevent(void *arg __unused, struct ifnet *ifp, int event) +{ + struct epoch_tracker et; + struct ifvlan *ifv; + struct ifvlantrunk *trunk; + + if (event != IFNET_EVENT_UPDATE_BAUDRATE) + return; + + NET_EPOCH_ENTER(et); + trunk = ifp->if_vlantrunk; + if (trunk == NULL) { + NET_EPOCH_EXIT(et); + return; + } + + TRUNK_WLOCK(trunk); + VLAN_FOREACH(ifv, trunk) { + ifv->ifv_ifp->if_baudrate = ifp->if_baudrate; + } + TRUNK_WUNLOCK(trunk); + NET_EPOCH_EXIT(et); +} + /* * A handler for parent interface link layer address changes. * If the parent interface link layer address is changed we @@ -847,6 +877,10 @@ vlan_modevent(module_t mod, int type, void *data) vlan_iflladdr, NULL, EVENTHANDLER_PRI_ANY); if (iflladdr_tag == NULL) return (ENOMEM); + ifevent_tag = EVENTHANDLER_REGISTER(ifnet_event, + vlan_ifevent, NULL, EVENTHANDLER_PRI_ANY); + if (ifevent_tag == NULL) + return (ENOMEM); VLAN_LOCKING_INIT(); vlan_input_p = vlan_input; vlan_link_state_p = vlan_link_state; @@ -877,6 +911,7 @@ vlan_modevent(module_t mod, int type, void *data) #endif EVENTHANDLER_DEREGISTER(ifnet_departure_event, ifdetach_tag); EVENTHANDLER_DEREGISTER(iflladdr_event, iflladdr_tag); + EVENTHANDLER_DEREGISTER(ifnet_event, ifevent_tag); vlan_input_p = NULL; vlan_link_state_p = NULL; vlan_trunk_cap_p = NULL;
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