Module Name: src
Committed By: msaitoh
Date: Tue Oct 1 10:04:11 UTC 2019
Modified Files:
src/sys/dev/pci/ixgbe: ixv.c
Log Message:
Set MTU correctly if mtu > 1500.
To generate a diff of this commit:
cvs rdiff -u -r1.138 -r1.139 src/sys/dev/pci/ixgbe/ixv.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/dev/pci/ixgbe/ixv.c
diff -u src/sys/dev/pci/ixgbe/ixv.c:1.138 src/sys/dev/pci/ixgbe/ixv.c:1.139
--- src/sys/dev/pci/ixgbe/ixv.c:1.138 Fri Sep 20 09:28:37 2019
+++ src/sys/dev/pci/ixgbe/ixv.c Tue Oct 1 10:04:11 2019
@@ -1,4 +1,4 @@
-/*$NetBSD: ixv.c,v 1.138 2019/09/20 09:28:37 msaitoh Exp $*/
+/*$NetBSD: ixv.c,v 1.139 2019/10/01 10:04:11 msaitoh Exp $*/
/******************************************************************************
@@ -716,6 +716,9 @@ ixv_init_locked(struct adapter *adapter)
for (i = 0, que = adapter->queues; i < adapter->num_queues; i++, que++)
que->disabled_count = 0;
+ adapter->max_frame_size =
+ ifp->if_mtu + ETHER_HDR_LEN + ETHER_CRC_LEN;
+
/* reprogram the RAR[0] in case user changed it. */
hw->mac.ops.set_rar(hw, 0, hw->mac.addr, 0, IXGBE_RAH_AV);
@@ -748,10 +751,10 @@ ixv_init_locked(struct adapter *adapter)
* Determine the correct mbuf pool
* for doing jumbo/headersplit
*/
- if (ifp->if_mtu > ETHERMTU)
- adapter->rx_mbuf_sz = MJUMPAGESIZE;
- else
+ if (adapter->max_frame_size <= MCLBYTES)
adapter->rx_mbuf_sz = MCLBYTES;
+ else
+ adapter->rx_mbuf_sz = MJUMPAGESIZE;
/* Prepare receive descriptors and buffers */
if (ixgbe_setup_receive_structures(adapter)) {
