cxgb3 - Add LRO support

Add LRO support.

Signed-off-by: Divy Le Ray <divy@chelsio.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>

1 files changed, 14 insertions, 0 deletions

diff --git a/drivers/net/cxgb3/adapter.h b/drivers/net/cxgb3/adapter.h
index 263e4faf45e5..271140433b09 100644
--- a/drivers/net/cxgb3/adapter.h
+++ b/drivers/net/cxgb3/adapter.h
@@ -42,6 +42,7 @@
 #include <linux/cache.h>
 #include <linux/mutex.h>
 #include <linux/bitops.h>
+#include <linux/inet_lro.h>
 #include "t3cdev.h"
 #include <asm/io.h>
 
@@ -173,16 +174,29 @@ enum {				/* per port SGE statistics */
         SGE_PSTAT_TX_CSUM,      /* # of TX checksum offloads */
         SGE_PSTAT_VLANEX,       /* # of VLAN tag extractions */
         SGE_PSTAT_VLANINS,      /* # of VLAN tag insertions */
+        SGE_PSTAT_LRO_AGGR,     /* # of page chunks added to LRO sessions */
+        SGE_PSTAT_LRO_FLUSHED,  /* # of flushed LRO sessions */
+        SGE_PSTAT_LRO_NO_DESC,  /* # of overflown LRO sessions */
 
         SGE_PSTAT_MAX           /* must be last */
 };
 
+#define T3_MAX_LRO_SES 8
+#define T3_MAX_LRO_MAX_PKTS 64
+
 struct sge_qset {               /* an SGE queue set */
         struct adapter *adap;
         struct napi_struct napi;
         struct sge_rspq rspq;
         struct sge_fl fl[SGE_RXQ_PER_SET];
         struct sge_txq txq[SGE_TXQ_PER_SET];
+        struct net_lro_mgr lro_mgr;
+        struct net_lro_desc lro_desc[T3_MAX_LRO_SES];
+        struct skb_frag_struct *lro_frag_tbl;
+        int lro_nfrags;
+        int lro_enabled;
+        int lro_frag_len;
+        void *lro_va;
         struct net_device *netdev;
         unsigned long txq_stopped;      /* which Tx queues are stopped */
         struct timer_list tx_reclaim_timer;     /* reclaims TX buffers */