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net: hns3: Add HW RSS hash information to RX skb

Browse source 
Drivers should call skb_set_hash to set the hash and its type
in an skbuff.

Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: Salil Mehta <salil.mehta@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Peng Li 2018-10-10 20:05:37 +01:00 committed by David S. Miller
parent d97b307213
commit 232fc64b6e
3 changed files with 36 additions and 0 deletions
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1
drivers/net/ethernet/hisilicon/hns3/hnae3.h
View file

@ -479,6 +479,7 @@ struct hnae3_knic_private_info {
const struct hnae3_dcb_ops *dcb_ops;
u16 int_rl_setting;
enum pkt_hash_types rss_type;
};
struct hnae3_roce_private_info {

17
drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
View file

@ -2230,6 +2230,21 @@ static bool hns3_parse_vlan_tag(struct hns3_enet_ring *ring,
}
}
static void hns3_set_rx_skb_rss_type(struct hns3_enet_ring *ring,
struct sk_buff *skb)
{
struct hns3_desc *desc = &ring->desc[ring->next_to_clean];
struct hnae3_handle *handle = ring->tqp->handle;
enum pkt_hash_types rss_type;
if (le32_to_cpu(desc->rx.rss_hash))
rss_type = handle->kinfo.rss_type;
else
rss_type = PKT_HASH_TYPE_NONE;
skb_set_hash(skb, le32_to_cpu(desc->rx.rss_hash), rss_type);
}
static int hns3_handle_rx_bd(struct hns3_enet_ring *ring,
struct sk_buff **out_skb, int *out_bnum)
{
@ -2371,6 +2386,8 @@ static int hns3_handle_rx_bd(struct hns3_enet_ring *ring,
ring->tqp_vector->rx_group.total_bytes += skb->len;
hns3_rx_checksum(ring, skb, desc);
hns3_set_rx_skb_rss_type(ring, skb);
return 0;
}

18
drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
View file

@ -2773,6 +2773,22 @@ static int hclge_set_rss_tc_mode(struct hclge_dev *hdev, u16 *tc_valid,
return ret;
}
static void hclge_get_rss_type(struct hclge_vport *vport)
{
if (vport->rss_tuple_sets.ipv4_tcp_en ||
vport->rss_tuple_sets.ipv4_udp_en ||
vport->rss_tuple_sets.ipv4_sctp_en ||
vport->rss_tuple_sets.ipv6_tcp_en ||
vport->rss_tuple_sets.ipv6_udp_en ||
vport->rss_tuple_sets.ipv6_sctp_en)
vport->nic.kinfo.rss_type = PKT_HASH_TYPE_L4;
else if (vport->rss_tuple_sets.ipv4_fragment_en ||
vport->rss_tuple_sets.ipv6_fragment_en)
vport->nic.kinfo.rss_type = PKT_HASH_TYPE_L3;
else
vport->nic.kinfo.rss_type = PKT_HASH_TYPE_NONE;
}
static int hclge_set_rss_input_tuple(struct hclge_dev *hdev)
{
struct hclge_rss_input_tuple_cmd *req;
@ -2792,6 +2808,7 @@ static int hclge_set_rss_input_tuple(struct hclge_dev *hdev)
req->ipv6_udp_en = hdev->vport[0].rss_tuple_sets.ipv6_udp_en;
req->ipv6_sctp_en = hdev->vport[0].rss_tuple_sets.ipv6_sctp_en;
req->ipv6_fragment_en = hdev->vport[0].rss_tuple_sets.ipv6_fragment_en;
hclge_get_rss_type(&hdev->vport[0]);
ret = hclge_cmd_send(&hdev->hw, &desc, 1);
if (ret)
dev_err(&hdev->pdev->dev,
@ -2973,6 +2990,7 @@ static int hclge_set_rss_tuple(struct hnae3_handle *handle,
vport->rss_tuple_sets.ipv6_udp_en = req->ipv6_udp_en;
vport->rss_tuple_sets.ipv6_sctp_en = req->ipv6_sctp_en;
vport->rss_tuple_sets.ipv6_fragment_en = req->ipv6_fragment_en;
hclge_get_rss_type(vport);
return 0;
}