net: aquantia: allow rx checksum offload configuration

RX Checksum offloads could not be configured and ignored netdev features
flag for checksumming.

Signed-off-by: Igor Russkikh <igor.russkikh@aquantia.com>
Signed-off-by: Dmitry Bogdanov <dmitry.bogdanov@aquantia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

5 files changed, 18 insertions, 6 deletions

diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_hw.h b/drivers/net/ethernet/aquantia/atlantic/aq_hw.h
index 7ec8d24b2b0b..a1e70da358ca 100644
--- a/drivers/net/ethernet/aquantia/atlantic/aq_hw.h
+++ b/drivers/net/ethernet/aquantia/atlantic/aq_hw.h
@@ -204,6 +204,9 @@ struct aq_hw_ops {
 
         int (*hw_get_fw_version)(struct aq_hw_s *self, u32 *fw_version);
 
+        int (*hw_set_offload)(struct aq_hw_s *self,
+                              struct aq_nic_cfg_s *aq_nic_cfg);
+
         int (*hw_set_fc)(struct aq_hw_s *self, u32 fc, u32 tc);
 };
 
diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_main.c b/drivers/net/ethernet/aquantia/atlantic/aq_main.c
index e3ae29e523f0..7c07eef275eb 100644
--- a/drivers/net/ethernet/aquantia/atlantic/aq_main.c
+++ b/drivers/net/ethernet/aquantia/atlantic/aq_main.c
@@ -99,8 +99,11 @@ static int aq_ndev_set_features(struct net_device *ndev,
         struct aq_nic_s *aq_nic = netdev_priv(ndev);
         struct aq_nic_cfg_s *aq_cfg = aq_nic_get_cfg(aq_nic);
         bool is_lro = false;
+        int err = 0;
+
+        aq_cfg->features = features;
 
-        if (aq_cfg->hw_features & NETIF_F_LRO) {
+        if (aq_cfg->aq_hw_caps->hw_features & NETIF_F_LRO) {
                 is_lro = features & NETIF_F_LRO;
 
                 if (aq_cfg->is_lro != is_lro) {
@@ -112,8 +115,11 @@ static int aq_ndev_set_features(struct net_device *ndev,
                         }
                 }
         }
+        if ((aq_nic->ndev->features ^ features) & NETIF_F_RXCSUM)
+                err = aq_nic->aq_hw_ops->hw_set_offload(aq_nic->aq_hw,
+                                                        aq_cfg);
 
-        return 0;
+        return err;
 }
 
 static int aq_ndev_set_mac_address(struct net_device *ndev, void *addr)
diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_nic.c b/drivers/net/ethernet/aquantia/atlantic/aq_nic.c
index b5e7c98f424c..7abdc0952425 100644
--- a/drivers/net/ethernet/aquantia/atlantic/aq_nic.c
+++ b/drivers/net/ethernet/aquantia/atlantic/aq_nic.c
@@ -118,7 +118,7 @@ void aq_nic_cfg_start(struct aq_nic_s *self)
         }
 
         cfg->link_speed_msk &= cfg->aq_hw_caps->link_speed_msk;
-        cfg->hw_features = cfg->aq_hw_caps->hw_features;
+        cfg->features = cfg->aq_hw_caps->hw_features;
 }
 
 static int aq_nic_update_link_status(struct aq_nic_s *self)
diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_nic.h b/drivers/net/ethernet/aquantia/atlantic/aq_nic.h
index c1582f4e8e1b..44ec47a3d60a 100644
--- a/drivers/net/ethernet/aquantia/atlantic/aq_nic.h
+++ b/drivers/net/ethernet/aquantia/atlantic/aq_nic.h
@@ -23,7 +23,7 @@ struct aq_vec_s;
 
 struct aq_nic_cfg_s {
         const struct aq_hw_caps_s *aq_hw_caps;
-        u64 hw_features;
+        u64 features;
         u32 rxds;               /* rx ring size, descriptors # */
         u32 txds;               /* tx ring size, descriptors # */
         u32 vecs;               /* vecs==allocated irqs */
diff --git a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_b0.c b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_b0.c
index 179ce12fe4d8..f02592f43fe3 100644
--- a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_b0.c
+++ b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_b0.c
@@ -234,8 +234,10 @@ static int hw_atl_b0_hw_offload_set(struct aq_hw_s *self,
         hw_atl_tpo_tcp_udp_crc_offload_en_set(self, 1);
 
         /* RX checksums offloads*/
-        hw_atl_rpo_ipv4header_crc_offload_en_set(self, 1);
-        hw_atl_rpo_tcp_udp_crc_offload_en_set(self, 1);
+        hw_atl_rpo_ipv4header_crc_offload_en_set(self, !!(aq_nic_cfg->features &
+                                                 NETIF_F_RXCSUM));
+        hw_atl_rpo_tcp_udp_crc_offload_en_set(self, !!(aq_nic_cfg->features &
+                                              NETIF_F_RXCSUM));
 
         /* LSO offloads*/
         hw_atl_tdm_large_send_offload_en_set(self, 0xFFFFFFFFU);
@@ -974,5 +976,6 @@ const struct aq_hw_ops hw_atl_ops_b0 = {
         .hw_get_regs                 = hw_atl_utils_hw_get_regs,
         .hw_get_hw_stats             = hw_atl_utils_get_hw_stats,
         .hw_get_fw_version           = hw_atl_utils_get_fw_version,
+        .hw_set_offload              = hw_atl_b0_hw_offload_set,
         .hw_set_fc                   = hw_atl_b0_set_fc,
 };