igb: use packet buffer sizes from RXPBS register
This patch changes the configuration for 82576 so that it uses the actual
value of the 82576 rx packet buffer size instead of just assuming the
value.
Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/igb/igb_main.c b/drivers/net/igb/igb_main.c
index 7e628ba..2ed2694 100644
--- a/drivers/net/igb/igb_main.c
+++ b/drivers/net/igb/igb_main.c
@@ -1215,7 +1215,8 @@
*/
switch (mac->type) {
case e1000_82576:
- pba = E1000_PBA_64K;
+ pba = rd32(E1000_RXPBS);
+ pba &= E1000_RXPBS_SIZE_MASK_82576;
break;
case e1000_82575:
default: