diff --git a/drivers/net/ethernet/ibm/ibmveth.h b/drivers/net/ethernet/ibm/ibmveth.h
index 41dedb1..4eade67 100644
--- a/drivers/net/ethernet/ibm/ibmveth.h
+++ b/drivers/net/ethernet/ibm/ibmveth.h
@@ -40,6 +40,8 @@
 #define IbmVethMcastRemoveFilter     0x2UL
 #define IbmVethMcastClearFilterTable 0x3UL
 
+#define IBMVETH_ILLAN_LRG_SR_ENABLED	0x0000000000010000UL
+#define IBMVETH_ILLAN_LRG_SND_SUPPORT	0x0000000000008000UL
 #define IBMVETH_ILLAN_PADDED_PKT_CSUM	0x0000000000002000UL
 #define IBMVETH_ILLAN_TRUNK_PRI_MASK	0x0000000000000F00UL
 #define IBMVETH_ILLAN_IPV6_TCP_CSUM		0x0000000000000004UL
@@ -59,13 +61,20 @@
 static inline long h_send_logical_lan(unsigned long unit_address,
 		unsigned long desc1, unsigned long desc2, unsigned long desc3,
 		unsigned long desc4, unsigned long desc5, unsigned long desc6,
-		unsigned long corellator_in, unsigned long *corellator_out)
+		unsigned long corellator_in, unsigned long *corellator_out,
+		unsigned long mss, unsigned long large_send_support)
 {
 	long rc;
 	unsigned long retbuf[PLPAR_HCALL9_BUFSIZE];
 
-	rc = plpar_hcall9(H_SEND_LOGICAL_LAN, retbuf, unit_address, desc1,
-			desc2, desc3, desc4, desc5, desc6, corellator_in);
+	if (large_send_support)
+		rc = plpar_hcall9(H_SEND_LOGICAL_LAN, retbuf, unit_address,
+				  desc1, desc2, desc3, desc4, desc5, desc6,
+				  corellator_in, mss);
+	else
+		rc = plpar_hcall9(H_SEND_LOGICAL_LAN, retbuf, unit_address,
+				  desc1, desc2, desc3, desc4, desc5, desc6,
+				  corellator_in);
 
 	*corellator_out = retbuf[0];
 
@@ -147,11 +156,13 @@
     struct ibmveth_rx_q rx_queue;
     int pool_config;
     int rx_csum;
+    int large_send;
     void *bounce_buffer;
     dma_addr_t bounce_buffer_dma;
 
     u64 fw_ipv6_csum_support;
     u64 fw_ipv4_csum_support;
+    u64 fw_large_send_support;
     /* adapter specific stats */
     u64 replenish_task_cycles;
     u64 replenish_no_mem;
@@ -182,6 +193,7 @@
 #endif
 #define IBMVETH_BUF_VALID	0x80000000
 #define IBMVETH_BUF_TOGGLE	0x40000000
+#define IBMVETH_BUF_LRG_SND     0x04000000
 #define IBMVETH_BUF_NO_CSUM	0x02000000
 #define IBMVETH_BUF_CSUM_GOOD	0x01000000
 #define IBMVETH_BUF_LEN_MASK	0x00FFFFFF