e1000(4): Remove disconnected SYSCTL

The global hw.em.rx_process_limit knob has been replaced by the device-
specific dev.IF.N.iflib.rx_budget along with the conversion to iflib(4).

While at it, remove the - besides initialization of tx_process_limit -
unused {r,t}x_process_limit members.

2 files changed, 0 insertions, 13 deletions

diff --git a/sys/dev/e1000/if_em.c b/sys/dev/e1000/if_em.c
index 8488f72c4cde..690d6dfa3218 100644
--- a/sys/dev/e1000/if_em.c
+++ b/sys/dev/e1000/if_em.c
@@ -542,13 +542,6 @@ static int em_debug_sbp = false;
 SYSCTL_INT(_hw_em, OID_AUTO, sbp, CTLFLAG_RDTUN, &em_debug_sbp, 0,
     "Show bad packets in promiscuous mode");
 
-/* How many packets rxeof tries to clean at a time */
-static int em_rx_process_limit = 100;
-SYSCTL_INT(_hw_em, OID_AUTO, rx_process_limit, CTLFLAG_RDTUN,
-    &em_rx_process_limit, 0,
-    "Maximum number of received packets to process "
-    "at a time, -1 means unlimited");
-
 /* Energy efficient ethernet - default to OFF */
 static int eee_setting = 1;
 SYSCTL_INT(_hw_em, OID_AUTO, eee_setting, CTLFLAG_RDTUN, &eee_setting, 0,
@@ -561,8 +554,6 @@ static int em_max_interrupt_rate = 8000;
 SYSCTL_INT(_hw_em, OID_AUTO, max_interrupt_rate, CTLFLAG_RDTUN,
     &em_max_interrupt_rate, 0, "Maximum interrupts per second");
 
-
-
 /* Global used in WOL setup with multiport cards */
 static int global_quad_port_a = 0;
 
@@ -832,8 +823,6 @@ em_if_attach_pre(if_ctx_t ctx)
 	sc->media = iflib_get_media(ctx);
 	hw = &sc->hw;
 
-	sc->tx_process_limit = scctx->isc_ntxd[0];
-
 	/* Determine hardware and mac info */
 	em_identify_hardware(ctx);
 
diff --git a/sys/dev/e1000/if_em.h b/sys/dev/e1000/if_em.h
index ebf0be7426a0..244762e8ed0d 100644
--- a/sys/dev/e1000/if_em.h
+++ b/sys/dev/e1000/if_em.h
@@ -480,8 +480,6 @@ struct e1000_softc {
 	u16			num_vlans;
 	u32			txd_cmd;
 
-	u32			tx_process_limit;
-	u32			rx_process_limit;
 	u32			rx_mbuf_sz;
 
 	/* Management and WOL features */