diff options
| author | Kornel Duleba <mindal@semihalf.com> | 2021-10-25 13:18:27 +0000 |
|---|---|---|
| committer | Wojciech Macek <wma@FreeBSD.org> | 2021-10-29 08:08:26 +0000 |
| commit | d88aecce69c82e9312c4e5e4e9eab4c56284925f (patch) | |
| tree | 527ef94258df0bc74e532d844856a4bbac5c4348 /sys/dev/etherswitch/felix | |
| parent | 8c5fead105905ffb8cdcf255c08a63ee440b223e (diff) | |
Diffstat (limited to 'sys/dev/etherswitch/felix')
| -rw-r--r-- | sys/dev/etherswitch/felix/felix.c | 38 | ||||
| -rw-r--r-- | sys/dev/etherswitch/felix/felix_var.h | 2 |
2 files changed, 39 insertions, 1 deletions
diff --git a/sys/dev/etherswitch/felix/felix.c b/sys/dev/etherswitch/felix/felix.c index f57a6e1daa0c..a80f4f8d15ae 100644 --- a/sys/dev/etherswitch/felix/felix.c +++ b/sys/dev/etherswitch/felix/felix.c @@ -35,6 +35,7 @@ __FBSDID("$FreeBSD$"); #include <sys/module.h> #include <sys/socket.h> #include <sys/sockio.h> +#include <sys/sysctl.h> #include <sys/rman.h> #include <machine/bus.h> @@ -326,6 +327,33 @@ felix_setup(felix_softc_t sc) } static int +felix_timer_rate(SYSCTL_HANDLER_ARGS) +{ + felix_softc_t sc; + int error, value, old; + + sc = arg1; + + old = value = sc->timer_ticks; + error = sysctl_handle_int(oidp, &value, 0, req); + if (error != 0 || req->newptr == NULL) + return (error); + + if (value < 0) + return (EINVAL); + + if (value == old) + return (0); + + FELIX_LOCK(sc); + sc->timer_ticks = value; + callout_reset(&sc->tick_callout, sc->timer_ticks, felix_tick, sc); + FELIX_UNLOCK(sc); + + return (0); +} + +static int felix_attach(device_t dev) { phandle_t child, ports, node; @@ -426,6 +454,13 @@ felix_attach(device_t dev) if (error != 0) goto out_fail; + sc->timer_ticks = hz; /* Default to 1s. */ + SYSCTL_ADD_PROC(device_get_sysctl_ctx(dev), + SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), + OID_AUTO, "timer_ticks", CTLTYPE_INT | CTLFLAG_RW, + sc, 0, felix_timer_rate, "I", + "Number of ticks between timer invocations"); + /* The tick routine has to be called with the lock held. */ FELIX_LOCK(sc); felix_tick(sc); @@ -922,7 +957,8 @@ felix_tick(void *arg) MPASS(mii != NULL); mii_tick(mii); } - callout_reset(&sc->tick_callout, hz, felix_tick, sc); + if (sc->timer_ticks != 0) + callout_reset(&sc->tick_callout, sc->timer_ticks, felix_tick, sc); } static int diff --git a/sys/dev/etherswitch/felix/felix_var.h b/sys/dev/etherswitch/felix/felix_var.h index d891419793b7..15f43ec6a3d2 100644 --- a/sys/dev/etherswitch/felix/felix_var.h +++ b/sys/dev/etherswitch/felix/felix_var.h @@ -102,6 +102,8 @@ typedef struct felix_softc { int vlan_mode; int vlans[FELIX_NUM_VLANS]; + + uint32_t timer_ticks; } *felix_softc_t; #endif |