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-rw-r--r--drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c10
-rw-r--r--drivers/net/ethernet/hisilicon/hns3/hns3_enet.c32
-rw-r--r--drivers/net/ethernet/hisilicon/hns3/hns3_enet.h12
3 files changed, 22 insertions, 32 deletions
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c b/drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c
index e58a2c1f7c1c..e405fef81d15 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c
@@ -260,16 +260,6 @@ static int hns3_dbg_bd_info(struct hnae3_handle *h, const char *cmd_buf)
dev_info(dev, "(RX)addr: %pad\n", &addr);
dev_info(dev, "(RX)l234_info: %u\n", l234info);
- if (l234info & BIT(HNS3_RXD_L2_CSUM_B)) {
- u32 lo, hi;
-
- lo = hnae3_get_field(l234info, HNS3_RXD_L2_CSUM_L_M,
- HNS3_RXD_L2_CSUM_L_S);
- hi = hnae3_get_field(l234info, HNS3_RXD_L2_CSUM_H_M,
- HNS3_RXD_L2_CSUM_H_S);
- dev_info(dev, "(RX)csum: %u\n", lo | hi << 8);
- }
-
dev_info(dev, "(RX)pkt_len: %u\n", le16_to_cpu(rx_desc->rx.pkt_len));
dev_info(dev, "(RX)size: %u\n", le16_to_cpu(rx_desc->rx.size));
dev_info(dev, "(RX)rss_hash: %u\n", le32_to_cpu(rx_desc->rx.rss_hash));
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
index 712a6db8bf79..5826d865eeed 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
@@ -3252,20 +3252,20 @@ static int hns3_gro_complete(struct sk_buff *skb, u32 l234info)
return 0;
}
-static void hns3_checksum_complete(struct hns3_enet_ring *ring,
- struct sk_buff *skb, u32 l234info)
+static bool hns3_checksum_complete(struct hns3_enet_ring *ring,
+ struct sk_buff *skb, u32 ptype, u16 csum)
{
- u32 lo, hi;
+ if (ptype == HNS3_INVALID_PTYPE ||
+ hns3_rx_ptype_tbl[ptype].ip_summed != CHECKSUM_COMPLETE)
+ return false;
u64_stats_update_begin(&ring->syncp);
ring->stats.csum_complete++;
u64_stats_update_end(&ring->syncp);
skb->ip_summed = CHECKSUM_COMPLETE;
- lo = hnae3_get_field(l234info, HNS3_RXD_L2_CSUM_L_M,
- HNS3_RXD_L2_CSUM_L_S);
- hi = hnae3_get_field(l234info, HNS3_RXD_L2_CSUM_H_M,
- HNS3_RXD_L2_CSUM_H_S);
- skb->csum = csum_unfold((__force __sum16)(lo | hi << 8));
+ skb->csum = csum_unfold((__force __sum16)csum);
+
+ return true;
}
static void hns3_rx_handle_csum(struct sk_buff *skb, u32 l234info,
@@ -3307,7 +3307,8 @@ static void hns3_rx_handle_csum(struct sk_buff *skb, u32 l234info,
}
static void hns3_rx_checksum(struct hns3_enet_ring *ring, struct sk_buff *skb,
- u32 l234info, u32 bd_base_info, u32 ol_info)
+ u32 l234info, u32 bd_base_info, u32 ol_info,
+ u16 csum)
{
struct net_device *netdev = ring_to_netdev(ring);
struct hns3_nic_priv *priv = netdev_priv(netdev);
@@ -3324,10 +3325,8 @@ static void hns3_rx_checksum(struct hns3_enet_ring *ring, struct sk_buff *skb,
ptype = hnae3_get_field(ol_info, HNS3_RXD_PTYPE_M,
HNS3_RXD_PTYPE_S);
- if (l234info & BIT(HNS3_RXD_L2_CSUM_B)) {
- hns3_checksum_complete(ring, skb, l234info);
+ if (hns3_checksum_complete(ring, skb, ptype, csum))
return;
- }
/* check if hardware has done checksum */
if (!(bd_base_info & BIT(HNS3_RXD_L3L4P_B)))
@@ -3527,7 +3526,7 @@ static int hns3_add_frag(struct hns3_enet_ring *ring)
static int hns3_set_gro_and_checksum(struct hns3_enet_ring *ring,
struct sk_buff *skb, u32 l234info,
- u32 bd_base_info, u32 ol_info)
+ u32 bd_base_info, u32 ol_info, u16 csum)
{
struct net_device *netdev = ring_to_netdev(ring);
struct hns3_nic_priv *priv = netdev_priv(netdev);
@@ -3538,7 +3537,8 @@ static int hns3_set_gro_and_checksum(struct hns3_enet_ring *ring,
HNS3_RXD_GRO_SIZE_S);
/* if there is no HW GRO, do not set gro params */
if (!skb_shinfo(skb)->gso_size) {
- hns3_rx_checksum(ring, skb, l234info, bd_base_info, ol_info);
+ hns3_rx_checksum(ring, skb, l234info, bd_base_info, ol_info,
+ csum);
return 0;
}
@@ -3588,6 +3588,7 @@ static int hns3_handle_bdinfo(struct hns3_enet_ring *ring, struct sk_buff *skb)
struct hns3_desc *desc;
unsigned int len;
int pre_ntc, ret;
+ u16 csum;
/* bdinfo handled below is only valid on the last BD of the
* current packet, and ring->next_to_clean indicates the first
@@ -3599,6 +3600,7 @@ static int hns3_handle_bdinfo(struct hns3_enet_ring *ring, struct sk_buff *skb)
bd_base_info = le32_to_cpu(desc->rx.bd_base_info);
l234info = le32_to_cpu(desc->rx.l234_info);
ol_info = le32_to_cpu(desc->rx.ol_info);
+ csum = le16_to_cpu(desc->csum);
/* Based on hw strategy, the tag offloaded will be stored at
* ot_vlan_tag in two layer tag case, and stored at vlan_tag
@@ -3631,7 +3633,7 @@ static int hns3_handle_bdinfo(struct hns3_enet_ring *ring, struct sk_buff *skb)
/* This is needed in order to enable forwarding support */
ret = hns3_set_gro_and_checksum(ring, skb, l234info,
- bd_base_info, ol_info);
+ bd_base_info, ol_info, csum);
if (unlikely(ret)) {
u64_stats_update_begin(&ring->syncp);
ring->stats.rx_err_cnt++;
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.h b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.h
index 843642b9884b..c9aebda26f6a 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.h
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.h
@@ -83,12 +83,6 @@ enum hns3_nic_state {
#define HNS3_RXD_STRP_TAGP_S 13
#define HNS3_RXD_STRP_TAGP_M (0x3 << HNS3_RXD_STRP_TAGP_S)
-#define HNS3_RXD_L2_CSUM_B 15
-#define HNS3_RXD_L2_CSUM_L_S 4
-#define HNS3_RXD_L2_CSUM_L_M (0xff << HNS3_RXD_L2_CSUM_L_S)
-#define HNS3_RXD_L2_CSUM_H_S 24
-#define HNS3_RXD_L2_CSUM_H_M (0xff << HNS3_RXD_L2_CSUM_H_S)
-
#define HNS3_RXD_L2E_B 16
#define HNS3_RXD_L3E_B 17
#define HNS3_RXD_L4E_B 18
@@ -242,7 +236,10 @@ enum hns3_pkt_tun_type {
/* hardware spec ring buffer format */
struct __packed hns3_desc {
- __le64 addr;
+ union {
+ __le64 addr;
+ __le16 csum;
+ };
union {
struct {
__le16 vlan_tag;
@@ -409,6 +406,7 @@ struct ring_stats {
u64 rx_multicast;
u64 non_reuse_pg;
};
+ __le16 csum;
};
};