3 files changed, 6 insertions, 1 deletions

diff --git a/drivers/net/igb/e1000_82575.h b/drivers/net/igb/e1000_82575.h
index cbe475747d1a..b3808ca49ef5 100644
--- a/drivers/net/igb/e1000_82575.h
+++ b/drivers/net/igb/e1000_82575.h
@@ -228,6 +228,8 @@ struct e1000_adv_tx_context_desc {
 
 #define ALL_QUEUES   0xFFFF
 
+/* RX packet buffer size defines */
+#define E1000_RXPBS_SIZE_MASK_82576  0x0000007F
 void igb_vmdq_set_loopback_pf(struct e1000_hw *, bool);
 void igb_vmdq_set_replication_pf(struct e1000_hw *, bool);
 
diff --git a/drivers/net/igb/e1000_regs.h b/drivers/net/igb/e1000_regs.h
index 24f2c24d0309..934e03b053ac 100644
--- a/drivers/net/igb/e1000_regs.h
+++ b/drivers/net/igb/e1000_regs.h
@@ -102,7 +102,9 @@
 #define E1000_ETQF(_n)  (0x05CB0 + (4 * (_n))) /* EType Queue Fltr */
 
 #define E1000_RQDPC(_n) (0x0C030 + ((_n) * 0x40))
+
 /* Split and Replication RX Control - RW */
+#define E1000_RXPBS    0x02404  /* Rx Packet Buffer Size - RW */
 /*
  * Convenience macros
  *
diff --git a/drivers/net/igb/igb_main.c b/drivers/net/igb/igb_main.c
index 7e628bad17d5..2ed2694df5ab 100644
--- a/drivers/net/igb/igb_main.c
+++ b/drivers/net/igb/igb_main.c
@@ -1215,7 +1215,8 @@ void igb_reset(struct igb_adapter *adapter)
          */
         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: