[PATCH] net:ethernet:aquantia:atlantic: Switch to use napi_gro_receive

[Pavel Belous]

From: Pavel Belous <pavel.bel...@aquantia.com>

Add support for GRO (generic receive offload) for aQuantia Atlantic driver.
This results in a perfomance improvement when GRO is enabled.

Signed-off-by: Pavel Belous <pavel.bel...@aquantia.com>
---
 drivers/net/ethernet/aquantia/atlantic/aq_ring.c | 7 +++++--
 drivers/net/ethernet/aquantia/atlantic/aq_ring.h | 5 ++++-
 drivers/net/ethernet/aquantia/atlantic/aq_vec.c  | 1 +
 3 files changed, 10 insertions(+), 3 deletions(-)

diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_ring.c 
b/drivers/net/ethernet/aquantia/atlantic/aq_ring.c
index 3a8a4aa..c2f095d 100644
--- a/drivers/net/ethernet/aquantia/atlantic/aq_ring.c
+++ b/drivers/net/ethernet/aquantia/atlantic/aq_ring.c
@@ -134,7 +134,10 @@ static inline unsigned int aq_ring_dx_in_range(unsigned 
int h, unsigned int i,
 }
 
 #define AQ_SKB_ALIGN SKB_DATA_ALIGN(sizeof(struct skb_shared_info))
-int aq_ring_rx_clean(struct aq_ring_s *self, int *work_done, int budget)
+int aq_ring_rx_clean(struct aq_ring_s *self,
+                    struct napi_struct *napi,
+                    int *work_done,
+                    int budget)
 {
        struct net_device *ndev = aq_nic_get_ndev(self->aq_nic);
        int err = 0;
@@ -240,7 +243,7 @@ int aq_ring_rx_clean(struct aq_ring_s *self, int 
*work_done, int budget)
 
                skb_record_rx_queue(skb, self->idx);
 
-               netif_receive_skb(skb);
+               napi_gro_receive(napi, skb);
 
                ++self->stats.rx.packets;
                self->stats.rx.bytes += skb->len;
diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_ring.h 
b/drivers/net/ethernet/aquantia/atlantic/aq_ring.h
index eecd6d1..782176c 100644
--- a/drivers/net/ethernet/aquantia/atlantic/aq_ring.h
+++ b/drivers/net/ethernet/aquantia/atlantic/aq_ring.h
@@ -148,7 +148,10 @@ int aq_ring_init(struct aq_ring_s *self);
 void aq_ring_rx_deinit(struct aq_ring_s *self);
 void aq_ring_free(struct aq_ring_s *self);
 void aq_ring_tx_clean(struct aq_ring_s *self);
-int aq_ring_rx_clean(struct aq_ring_s *self, int *work_done, int budget);
+int aq_ring_rx_clean(struct aq_ring_s *self,
+                    struct napi_struct *napi,
+                    int *work_done,
+                    int budget);
 int aq_ring_rx_fill(struct aq_ring_s *self);
 
 #endif /* AQ_RING_H */
diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_vec.c 
b/drivers/net/ethernet/aquantia/atlantic/aq_vec.c
index ad5b4d4d..ec390c5 100644
--- a/drivers/net/ethernet/aquantia/atlantic/aq_vec.c
+++ b/drivers/net/ethernet/aquantia/atlantic/aq_vec.c
@@ -78,6 +78,7 @@ __acquires(&self->lock)
                        if (ring[AQ_VEC_RX_ID].sw_head !=
                                ring[AQ_VEC_RX_ID].hw_head) {
                                err = aq_ring_rx_clean(&ring[AQ_VEC_RX_ID],
+                                                      napi,
                                                       &work_done,
                                                       budget - work_done);
                                if (err < 0)
-- 
2.7.4