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authorYunsheng Lin <linyunsheng@huawei.com>2017-10-20 05:19:21 +0300
committerDavid S. Miller <davem@davemloft.net>2017-10-22 04:16:26 +0300
commitd43e5aca8780e4084cad0969c71669cf99dc6030 (patch)
tree1482d1d3459ac52aa96ff1aa4b960804f3820a8c
parenta8e8c0ecb4bbeb28cab752e1b3c2ee96a595af26 (diff)
downloadlinux-d43e5aca8780e4084cad0969c71669cf99dc6030.tar.xz
net: hns3: Refactor the skb receiving and transmitting function
This patch refactors the skb receiving and transmitting functions and export them in order to support the ethtool's mac loopback selftest. Signed-off-by: Yunsheng Lin <linyunsheng@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--drivers/net/ethernet/hisilicon/hns3/hns3pf/hns3_enet.c17
-rw-r--r--drivers/net/ethernet/hisilicon/hns3/hns3pf/hns3_enet.h4
2 files changed, 16 insertions, 5 deletions
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hns3_enet.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hns3_enet.c
index 8fa4e658b273..8383d6726ae4 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hns3_enet.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hns3_enet.c
@@ -900,8 +900,7 @@ static void hns_nic_dma_unmap(struct hns3_enet_ring *ring, int next_to_use_orig)
}
}
-static netdev_tx_t hns3_nic_net_xmit(struct sk_buff *skb,
- struct net_device *netdev)
+netdev_tx_t hns3_nic_net_xmit(struct sk_buff *skb, struct net_device *netdev)
{
struct hns3_nic_priv *priv = netdev_priv(netdev);
struct hns3_nic_ring_data *ring_data =
@@ -1943,6 +1942,11 @@ static void hns3_rx_checksum(struct hns3_enet_ring *ring, struct sk_buff *skb,
}
}
+static void hns3_rx_skb(struct hns3_enet_ring *ring, struct sk_buff *skb)
+{
+ napi_gro_receive(&ring->tqp_vector->napi, skb);
+}
+
static int hns3_handle_rx_bd(struct hns3_enet_ring *ring,
struct sk_buff **out_skb, int *out_bnum)
{
@@ -2077,7 +2081,9 @@ static int hns3_handle_rx_bd(struct hns3_enet_ring *ring,
return 0;
}
-static int hns3_clean_rx_ring(struct hns3_enet_ring *ring, int budget)
+int hns3_clean_rx_ring(
+ struct hns3_enet_ring *ring, int budget,
+ void (*rx_fn)(struct hns3_enet_ring *, struct sk_buff *))
{
#define RCB_NOF_ALLOC_RX_BUFF_ONCE 16
struct net_device *netdev = ring->tqp->handle->kinfo.netdev;
@@ -2115,7 +2121,7 @@ static int hns3_clean_rx_ring(struct hns3_enet_ring *ring, int budget)
/* Do update ip stack process */
skb->protocol = eth_type_trans(skb, netdev);
- (void)napi_gro_receive(&ring->tqp_vector->napi, skb);
+ rx_fn(ring, skb);
recv_pkts++;
}
@@ -2258,7 +2264,8 @@ static int hns3_nic_common_poll(struct napi_struct *napi, int budget)
rx_budget = max(budget / tqp_vector->num_tqps, 1);
hns3_for_each_ring(ring, tqp_vector->rx_group) {
- int rx_cleaned = hns3_clean_rx_ring(ring, rx_budget);
+ int rx_cleaned = hns3_clean_rx_ring(ring, rx_budget,
+ hns3_rx_skb);
if (rx_cleaned >= rx_budget)
clean_complete = false;
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hns3_enet.h b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hns3_enet.h
index 66599890b4d4..6228b2603d93 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hns3_enet.h
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hns3_enet.h
@@ -597,6 +597,10 @@ void hns3_ethtool_set_ops(struct net_device *netdev);
int hns3_clean_tx_ring(struct hns3_enet_ring *ring, int budget);
int hns3_init_all_ring(struct hns3_nic_priv *priv);
int hns3_uninit_all_ring(struct hns3_nic_priv *priv);
+netdev_tx_t hns3_nic_net_xmit(struct sk_buff *skb, struct net_device *netdev);
+int hns3_clean_rx_ring(
+ struct hns3_enet_ring *ring, int budget,
+ void (*rx_fn)(struct hns3_enet_ring *, struct sk_buff *));
#ifdef CONFIG_HNS3_DCB
void hns3_dcbnl_setup(struct hnae3_handle *handle);