summaryrefslogtreecommitdiffstats
path: root/drivers/net/e1000/e1000_main.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/net/e1000/e1000_main.c')
-rw-r--r--drivers/net/e1000/e1000_main.c10
1 files changed, 7 insertions, 3 deletions
diff --git a/drivers/net/e1000/e1000_main.c b/drivers/net/e1000/e1000_main.c
index e55fb9cc41c3..a1f5b0605363 100644
--- a/drivers/net/e1000/e1000_main.c
+++ b/drivers/net/e1000/e1000_main.c
@@ -3138,11 +3138,13 @@ e1000_change_mtu(struct net_device *netdev, int new_mtu)
}
break;
case e1000_82573:
- /* only enable jumbo frames if ASPM is disabled completely
- * this means both bits must be zero in 0x1A bits 3:2 */
+ /* Jumbo Frames not supported if:
+ * - this is not an 82573L device
+ * - ASPM is enabled in any way (0x1A bits 3:2) */
e1000_read_eeprom(&adapter->hw, EEPROM_INIT_3GIO_3, 1,
&eeprom_data);
- if (eeprom_data & EEPROM_WORD1A_ASPM_MASK) {
+ if ((adapter->hw.device_id != E1000_DEV_ID_82573L) ||
+ (eeprom_data & EEPROM_WORD1A_ASPM_MASK)) {
if (max_frame > MAXIMUM_ETHERNET_FRAME_SIZE) {
DPRINTK(PROBE, ERR,
"Jumbo Frames not supported.\n");
@@ -3150,6 +3152,8 @@ e1000_change_mtu(struct net_device *netdev, int new_mtu)
}
break;
}
+ /* ERT will be enabled later to enable wire speed receives */
+
/* fall through to get support */
case e1000_82571:
case e1000_82572:
OpenPOWER on IntegriCloud