[PATCH net-next 7/7] net: hns3: Add support for enable/disable flow director

From: Salil Mehta
Date: Mon Oct 01 2018 - 07:48:49 EST


From: Jian Shen <shenjian15@xxxxxxxxxx>

This patch adds switch for flow director with ethtool command

Signed-off-by: Jian Shen <shenjian15@xxxxxxxxxx>
Signed-off-by: Peng Li <lipeng321@xxxxxxxxxx>
Signed-off-by: Salil Mehta <salil.mehta@xxxxxxxxxx>
---
drivers/net/ethernet/hisilicon/hns3/hnae3.h | 1 +
drivers/net/ethernet/hisilicon/hns3/hns3_enet.c | 15 ++++++++++++++-
drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c | 13 +++++++++++++
3 files changed, 28 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/hisilicon/hns3/hnae3.h b/drivers/net/ethernet/hisilicon/hns3/hnae3.h
index e185d04..591ee2e 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hnae3.h
+++ b/drivers/net/ethernet/hisilicon/hns3/hnae3.h
@@ -430,6 +430,7 @@ struct hnae3_ae_ops {
int (*get_fd_all_rules)(struct hnae3_handle *handle,
struct ethtool_rxnfc *cmd, u32 *rule_locs);
int (*restore_fd_rules)(struct hnae3_handle *handle);
+ void (*enable_fd)(struct hnae3_handle *handle, bool enable);
};

struct hnae3_dcb_ops {
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
index 96f07ca..c269256 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
@@ -1285,6 +1285,13 @@ static int hns3_nic_set_features(struct net_device *netdev,
return ret;
}

+ if ((changed & NETIF_F_NTUPLE) && h->ae_algo->ops->enable_fd) {
+ if (features & NETIF_F_NTUPLE)
+ h->ae_algo->ops->enable_fd(h, true);
+ else
+ h->ae_algo->ops->enable_fd(h, false);
+ }
+
netdev->features = features;
return 0;
}
@@ -1770,8 +1777,14 @@ static void hns3_set_default_feature(struct net_device *netdev)
NETIF_F_GSO_GRE_CSUM | NETIF_F_GSO_UDP_TUNNEL |
NETIF_F_GSO_UDP_TUNNEL_CSUM | NETIF_F_SCTP_CRC;

- if (pdev->revision != 0x20)
+ if (pdev->revision >= 0x21) {
netdev->hw_features |= NETIF_F_HW_VLAN_CTAG_FILTER;
+
+ if (!(h->flags & HNAE3_SUPPORT_VF)) {
+ netdev->hw_features |= NETIF_F_NTUPLE;
+ netdev->features |= NETIF_F_NTUPLE;
+ }
+ }
}

static int hns3_alloc_buffer(struct hns3_enet_ring *ring,
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
index 00ec4db..0ce7ccb 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
@@ -4597,6 +4597,18 @@ static int hclge_get_all_rules(struct hnae3_handle *handle,
return 0;
}

+static void hclge_enable_fd(struct hnae3_handle *handle, bool enable)
+{
+ struct hclge_vport *vport = hclge_get_vport(handle);
+ struct hclge_dev *hdev = vport->back;
+
+ hdev->fd_cfg.fd_en = enable;
+ if (!enable)
+ hclge_del_all_fd_entries(handle, false);
+ else
+ hclge_restore_fd_entries(handle);
+}
+
static void hclge_cfg_mac_mode(struct hclge_dev *hdev, bool enable)
{
struct hclge_desc desc;
@@ -7341,6 +7353,7 @@ static const struct hnae3_ae_ops hclge_ops = {
.get_fd_rule_info = hclge_get_fd_rule_info,
.get_fd_all_rules = hclge_get_all_rules,
.restore_fd_rules = hclge_restore_fd_entries,
+ .enable_fd = hclge_enable_fd,
};

static struct hnae3_ae_algo ae_algo = {
--
2.7.4