From aec35aecc3ccc822b358e2594ff70ff54245261e Mon Sep 17 00:00:00 2001 From: Guangbin Huang Date: Sat, 28 Aug 2021 14:55:18 +0800 Subject: [PATCH] net: hns3: add new function hclge_get_speed_bit() Currently, function hclge_check_port_speed() uses switch/case statement to get speed bit according to speed. To reuse this part of code and improve code readability and maintainability, add a new function hclge_get_speed_bit() to get speed bit according to map relationship of speed and speed bit defined in array speed_bit_map. Signed-off-by: Guangbin Huang Signed-off-by: David S. Miller --- .../ethernet/hisilicon/hns3/hns3pf/hclge_main.c | 61 +++++++++++----------- .../ethernet/hisilicon/hns3/hns3pf/hclge_main.h | 5 ++ 2 files changed, 35 insertions(+), 31 deletions(-) diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c index 750390c..a1dcdf7 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c @@ -993,44 +993,43 @@ static int hclge_parse_speed(u8 speed_cmd, u32 *speed) return 0; } +static const struct hclge_speed_bit_map speed_bit_map[] = { + {HCLGE_MAC_SPEED_10M, HCLGE_SUPPORT_10M_BIT}, + {HCLGE_MAC_SPEED_100M, HCLGE_SUPPORT_100M_BIT}, + {HCLGE_MAC_SPEED_1G, HCLGE_SUPPORT_1G_BIT}, + {HCLGE_MAC_SPEED_10G, HCLGE_SUPPORT_10G_BIT}, + {HCLGE_MAC_SPEED_25G, HCLGE_SUPPORT_25G_BIT}, + {HCLGE_MAC_SPEED_40G, HCLGE_SUPPORT_40G_BIT}, + {HCLGE_MAC_SPEED_50G, HCLGE_SUPPORT_50G_BIT}, + {HCLGE_MAC_SPEED_100G, HCLGE_SUPPORT_100G_BIT}, + {HCLGE_MAC_SPEED_200G, HCLGE_SUPPORT_200G_BIT}, +}; + +static int hclge_get_speed_bit(u32 speed, u32 *speed_bit) +{ + u16 i; + + for (i = 0; i < ARRAY_SIZE(speed_bit_map); i++) { + if (speed == speed_bit_map[i].speed) { + *speed_bit = speed_bit_map[i].speed_bit; + return 0; + } + } + + return -EINVAL; +} + static int hclge_check_port_speed(struct hnae3_handle *handle, u32 speed) { struct hclge_vport *vport = hclge_get_vport(handle); struct hclge_dev *hdev = vport->back; u32 speed_ability = hdev->hw.mac.speed_ability; u32 speed_bit = 0; + int ret; - switch (speed) { - case HCLGE_MAC_SPEED_10M: - speed_bit = HCLGE_SUPPORT_10M_BIT; - break; - case HCLGE_MAC_SPEED_100M: - speed_bit = HCLGE_SUPPORT_100M_BIT; - break; - case HCLGE_MAC_SPEED_1G: - speed_bit = HCLGE_SUPPORT_1G_BIT; - break; - case HCLGE_MAC_SPEED_10G: - speed_bit = HCLGE_SUPPORT_10G_BIT; - break; - case HCLGE_MAC_SPEED_25G: - speed_bit = HCLGE_SUPPORT_25G_BIT; - break; - case HCLGE_MAC_SPEED_40G: - speed_bit = HCLGE_SUPPORT_40G_BIT; - break; - case HCLGE_MAC_SPEED_50G: - speed_bit = HCLGE_SUPPORT_50G_BIT; - break; - case HCLGE_MAC_SPEED_100G: - speed_bit = HCLGE_SUPPORT_100G_BIT; - break; - case HCLGE_MAC_SPEED_200G: - speed_bit = HCLGE_SUPPORT_200G_BIT; - break; - default: - return -EINVAL; - } + ret = hclge_get_speed_bit(speed, &speed_bit); + if (ret) + return ret; if (speed_bit & speed_ability) return 0; diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.h b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.h index 9ca7bb2..de6afbc 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.h +++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.h @@ -1058,6 +1058,11 @@ struct hclge_vport { struct list_head vlan_list; /* Store VF vlan table */ }; +struct hclge_speed_bit_map { + u32 speed; + u32 speed_bit; +}; + int hclge_set_vport_promisc_mode(struct hclge_vport *vport, bool en_uc_pmc, bool en_mc_pmc, bool en_bc_pmc); int hclge_add_uc_addr_common(struct hclge_vport *vport, -- 2.7.4