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-rw-r--r--sys/dev/pci/if_ix.c23
-rw-r--r--sys/dev/pci/if_ix.h9
2 files changed, 15 insertions, 17 deletions
diff --git a/sys/dev/pci/if_ix.c b/sys/dev/pci/if_ix.c
index b9a62ac9a6b..a5636404906 100644
--- a/sys/dev/pci/if_ix.c
+++ b/sys/dev/pci/if_ix.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: if_ix.c,v 1.61 2012/02/26 16:12:34 mikeb Exp $ */
+/* $OpenBSD: if_ix.c,v 1.62 2012/02/26 16:22:37 mikeb Exp $ */
/******************************************************************************
@@ -634,8 +634,8 @@ ixgbe_init(void *arg)
struct ix_softc *sc = (struct ix_softc *)arg;
struct ifnet *ifp = &sc->arpcom.ac_if;
struct rx_ring *rxr = sc->rx_rings;
- uint32_t k, txdctl, rxdctl, rxctrl, mhadd, gpie;
- int i, s, err, llimode = 0;
+ uint32_t k, txdctl, rxdctl, rxctrl, mhadd, gpie, itr;
+ int i, s, err;
INIT_DEBUGOUT("ixgbe_init: begin");
@@ -703,7 +703,6 @@ ixgbe_init(void *arg)
* interrupts hitting the card when the ring is getting full.
*/
gpie |= 0xf << IXGBE_GPIE_LLI_DELAY_SHIFT;
- llimode = IXGBE_EITR_LLI_MOD;
}
if (sc->msix > 1) {
@@ -807,9 +806,14 @@ ixgbe_init(void *arg)
}
}
- /* Set moderation on the Link interrupt */
- IXGBE_WRITE_REG(&sc->hw, IXGBE_EITR(sc->linkvec),
- IXGBE_LINK_ITR | llimode);
+ /* Setup interrupt moderation */
+ if (sc->hw.mac.type == ixgbe_mac_82598EB)
+ itr = (8000000 / IXGBE_INTS_PER_SEC) & 0xff8;
+ else {
+ itr = (4000000 / IXGBE_INTS_PER_SEC) & 0xff8;
+ itr |= IXGBE_EITR_LLI_MOD | IXGBE_EITR_CNT_WDIS;
+ }
+ IXGBE_WRITE_REG(&sc->hw, IXGBE_EITR(0), itr);
/* Config/Enable Link */
ixgbe_config_link(sc);
@@ -2834,10 +2838,7 @@ ixgbe_initialize_receive_units(struct ix_softc *sc)
sc->num_rx_desc * sizeof(union ixgbe_adv_rx_desc));
/* Set up the SRRCTL register */
- srrctl = IXGBE_READ_REG(&sc->hw, IXGBE_SRRCTL(i));
- srrctl &= ~IXGBE_SRRCTL_BSIZEHDR_MASK;
- srrctl &= ~IXGBE_SRRCTL_BSIZEPKT_MASK;
- srrctl |= bufsz;
+ srrctl = bufsz;
if (rxr->hdr_split) {
/* Use a standard mbuf for the header */
srrctl |= ((IXGBE_RX_HDR <<
diff --git a/sys/dev/pci/if_ix.h b/sys/dev/pci/if_ix.h
index 28d60656d33..d930e22117a 100644
--- a/sys/dev/pci/if_ix.h
+++ b/sys/dev/pci/if_ix.h
@@ -1,4 +1,4 @@
-/* $OpenBSD: if_ix.h,v 1.13 2011/06/15 00:03:00 dlg Exp $ */
+/* $OpenBSD: if_ix.h,v 1.14 2012/02/26 16:22:37 mikeb Exp $ */
/******************************************************************************
@@ -119,12 +119,9 @@
#define IXGBE_QUEUE_HUNG 2
/*
- * Interrupt Moderation parameters
+ * Interrupt Moderation parameters
*/
-#define IXGBE_LOW_LATENCY 128
-#define IXGBE_AVE_LATENCY 400
-#define IXGBE_BULK_LATENCY 1200
-#define IXGBE_LINK_ITR 2000
+#define IXGBE_INTS_PER_SEC 8000
/* Used for auto RX queue configuration */
extern int mp_ncpus;