diff options
Diffstat (limited to 'freebsd/sys/net/if_lagg.c')
| -rw-r--r-- | freebsd/sys/net/if_lagg.c | 32 |
1 files changed, 18 insertions, 14 deletions
diff --git a/freebsd/sys/net/if_lagg.c b/freebsd/sys/net/if_lagg.c index 578078c2..4d5aaa29 100644 --- a/freebsd/sys/net/if_lagg.c +++ b/freebsd/sys/net/if_lagg.c @@ -75,10 +75,10 @@ __FBSDID("$FreeBSD$"); #include <net/if_lagg.h> #include <net/ieee8023ad_lacp.h> -#define LAGG_RLOCK() epoch_enter_preempt(net_epoch_preempt) -#define LAGG_RUNLOCK() epoch_exit_preempt(net_epoch_preempt) -#define LAGG_RLOCK_ASSERT() MPASS(in_epoch()) -#define LAGG_UNLOCK_ASSERT() MPASS(!in_epoch()) +#define LAGG_RLOCK() struct epoch_tracker lagg_et; epoch_enter_preempt(net_epoch_preempt, &lagg_et) +#define LAGG_RUNLOCK() epoch_exit_preempt(net_epoch_preempt, &lagg_et) +#define LAGG_RLOCK_ASSERT() MPASS(in_epoch(net_epoch_preempt)) +#define LAGG_UNLOCK_ASSERT() MPASS(!in_epoch(net_epoch_preempt)) #define LAGG_SX_INIT(_sc) sx_init(&(_sc)->sc_sx, "if_lagg sx") #define LAGG_SX_DESTROY(_sc) sx_destroy(&(_sc)->sc_sx) @@ -99,7 +99,7 @@ static struct { VNET_DEFINE(SLIST_HEAD(__trhead, lagg_softc), lagg_list); /* list of laggs */ #define V_lagg_list VNET(lagg_list) -static VNET_DEFINE(struct mtx, lagg_list_mtx); +VNET_DEFINE_STATIC(struct mtx, lagg_list_mtx); #define V_lagg_list_mtx VNET(lagg_list_mtx) #define LAGG_LIST_LOCK_INIT(x) mtx_init(&V_lagg_list_mtx, \ "if_lagg list", NULL, MTX_DEF) @@ -110,7 +110,7 @@ eventhandler_tag lagg_detach_cookie = NULL; static int lagg_clone_create(struct if_clone *, int, caddr_t); static void lagg_clone_destroy(struct ifnet *); -static VNET_DEFINE(struct if_clone *, lagg_cloner); +VNET_DEFINE_STATIC(struct if_clone *, lagg_cloner); #define V_lagg_cloner VNET(lagg_cloner) static const char laggname[] = "lagg"; @@ -251,21 +251,21 @@ SYSCTL_NODE(_net_link, OID_AUTO, lagg, CTLFLAG_RW, 0, "Link Aggregation"); /* Allow input on any failover links */ -static VNET_DEFINE(int, lagg_failover_rx_all); +VNET_DEFINE_STATIC(int, lagg_failover_rx_all); #define V_lagg_failover_rx_all VNET(lagg_failover_rx_all) SYSCTL_INT(_net_link_lagg, OID_AUTO, failover_rx_all, CTLFLAG_RW | CTLFLAG_VNET, &VNET_NAME(lagg_failover_rx_all), 0, "Accept input from any interface in a failover lagg"); /* Default value for using flowid */ -static VNET_DEFINE(int, def_use_flowid) = 0; +VNET_DEFINE_STATIC(int, def_use_flowid) = 0; #define V_def_use_flowid VNET(def_use_flowid) SYSCTL_INT(_net_link_lagg, OID_AUTO, default_use_flowid, CTLFLAG_RWTUN, &VNET_NAME(def_use_flowid), 0, "Default setting for using flow id for load sharing"); /* Default value for flowid shift */ -static VNET_DEFINE(int, def_flowid_shift) = 16; +VNET_DEFINE_STATIC(int, def_flowid_shift) = 16; #define V_def_flowid_shift VNET(def_flowid_shift) SYSCTL_INT(_net_link_lagg, OID_AUTO, default_flowid_shift, CTLFLAG_RWTUN, &VNET_NAME(def_flowid_shift), 0, @@ -1739,6 +1739,10 @@ lagg_linkstate(struct lagg_softc *sc) LAGG_XLOCK_ASSERT(sc); + /* LACP handles link state itself */ + if (sc->sc_proto == LAGG_PROTO_LACP) + return; + /* Our link is considered up if at least one of our ports is active */ LAGG_RLOCK(); CK_SLIST_FOREACH(lp, &sc->sc_ports, lp_entries) { @@ -1793,6 +1797,7 @@ struct lagg_port * lagg_link_active(struct lagg_softc *sc, struct lagg_port *lp) { struct lagg_port *lp_next, *rval = NULL; + struct epoch_tracker net_et; /* * Search a port which reports an active link state. @@ -1811,15 +1816,14 @@ lagg_link_active(struct lagg_softc *sc, struct lagg_port *lp) } search: - LAGG_RLOCK(); + epoch_enter_preempt(net_epoch_preempt, &net_et); CK_SLIST_FOREACH(lp_next, &sc->sc_ports, lp_entries) { if (LAGG_PORTACTIVE(lp_next)) { - LAGG_RUNLOCK(); - rval = lp_next; - goto found; + epoch_exit_preempt(net_epoch_preempt, &net_et); + return (lp_next); } } - LAGG_RUNLOCK(); + epoch_exit_preempt(net_epoch_preempt, &net_et); found: return (rval); } |