3 files changed, 9 insertions, 1 deletions

diff --git a/sys/dev/rge/if_rge.c b/sys/dev/rge/if_rge.c
index 5ae0b98f95a1..0007b07e0fa6 100644
--- a/sys/dev/rge/if_rge.c
+++ b/sys/dev/rge/if_rge.c
@@ -2099,9 +2099,10 @@ rge_rxeof(struct rge_queues *q, struct mbufq *mq)
 	uint32_t rxstat, extsts;
 	int i, mlen, rx = 0;
 	int cons, prod;
-	int maxpkt = 16; /* XXX TODO: make this a tunable */
+	int maxpkt;
 	bool check_hwcsum;
 
+	maxpkt = sc->sc_rx_process_limit;
 	check_hwcsum = ((if_getcapenable(sc->sc_ifp) & IFCAP_RXCSUM) != 0);
 
 	RGE_ASSERT_LOCKED(sc);
diff --git a/sys/dev/rge/if_rge_sysctl.c b/sys/dev/rge/if_rge_sysctl.c
index a7d6e1572168..16001b4c1d94 100644
--- a/sys/dev/rge/if_rge_sysctl.c
+++ b/sys/dev/rge/if_rge_sysctl.c
@@ -232,6 +232,11 @@ rge_sysctl_attach(struct rge_softc *sc)
 	    "debug", CTLFLAG_RW, &sc->sc_debug, 0,
 	    "control debugging printfs");
 
+	sc->sc_rx_process_limit = 16;
+	SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
+	    "rx_process_limit", CTLFLAG_RW, &sc->sc_rx_process_limit, 0,
+	    "max number of RX packets to process per interrupt");
+
 	/* Stats */
 	rge_sysctl_drv_stats_attach(sc);
 	rge_sysctl_mac_stats_attach(sc);
diff --git a/sys/dev/rge/if_rgevar.h b/sys/dev/rge/if_rgevar.h
index d516537e6524..89d02e8acb72 100644
--- a/sys/dev/rge/if_rgevar.h
+++ b/sys/dev/rge/if_rgevar.h
@@ -204,6 +204,8 @@ struct rge_softc {
 
 	uint32_t		sc_debug;
 
+	int			sc_rx_process_limit;
+
 	struct rge_drv_stats	sc_drv_stats;
 
 	struct rge_mac_stats	sc_mac_stats;