linux-kernel - [PATCH V2 net-next 05/17] net: hns3: Get rss_size

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Date:   Tue, 19 Dec 2017 12:02:27 +0800
From:   Lipeng <lipeng321@...wei.com>
To:     <davem@...emloft.net>
CC:     <netdev@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <linuxarm@...wei.com>, <salil.mehta@...wei.com>,
        <lipeng321@...wei.com>
Subject: [PATCH V2 net-next 05/17] net: hns3: Get rss_size_max from configuration but not hardcode

From: qumingguang <qumingguang@...wei.com>

Add configuration for rss_size_max in hdev but not hardcode it.

Signed-off-by: qumingguang <qumingguang@...wei.com>
Signed-off-by: Lipeng <lipeng321@...wei.com>
---
 drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.h  | 2 ++
 drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c | 6 +++++-
 drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.h | 1 +
 3 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.h b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.h
index ce5ed88..1eb9ff0 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.h
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.h
@@ -399,6 +399,8 @@ struct hclge_pf_res_cmd {
 #define HCLGE_CFG_MAC_ADDR_H_M	GENMASK(15, 0)
 #define HCLGE_CFG_DEFAULT_SPEED_S	16
 #define HCLGE_CFG_DEFAULT_SPEED_M	GENMASK(23, 16)
+#define HCLGE_CFG_RSS_SIZE_S	24
+#define HCLGE_CFG_RSS_SIZE_M	GENMASK(31, 24)
 
 struct hclge_cfg_param_cmd {
 	__le32 offset;
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
index f354681..b8658b8 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
@@ -982,6 +982,10 @@ static void hclge_parse_cfg(struct hclge_cfg *cfg, struct hclge_desc *desc)
 	cfg->default_speed = hnae_get_field(__le32_to_cpu(req->param[3]),
 					    HCLGE_CFG_DEFAULT_SPEED_M,
 					    HCLGE_CFG_DEFAULT_SPEED_S);
+	cfg->rss_size_max = hnae_get_field(__le32_to_cpu(req->param[3]),
+					   HCLGE_CFG_RSS_SIZE_M,
+					   HCLGE_CFG_RSS_SIZE_S);
+
 	for (i = 0; i < ETH_ALEN; i++)
 		cfg->mac_addr[i] = (mac_addr_tmp >> (8 * i)) & 0xff;
 
@@ -1059,7 +1063,7 @@ static int hclge_configure(struct hclge_dev *hdev)
 
 	hdev->num_vmdq_vport = cfg.vmdq_vport_num;
 	hdev->base_tqp_pid = 0;
-	hdev->rss_size_max = 1;
+	hdev->rss_size_max = cfg.rss_size_max;
 	hdev->rx_buf_len = cfg.rx_buf_len;
 	ether_addr_copy(hdev->hw.mac.mac_addr, cfg.mac_addr);
 	hdev->hw.mac.media_type = cfg.media_type;
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.h b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.h
index fb043b5..4858909 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.h
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.h
@@ -220,6 +220,7 @@ struct hclge_cfg {
 	u8 tc_num;
 	u16 tqp_desc_num;
 	u16 rx_buf_len;
+	u16 rss_size_max;
 	u8 phy_addr;
 	u8 media_type;
 	u8 mac_addr[ETH_ALEN];
-- 
1.9.1