[PATCH V2 net-next 09/13] net: hns3: split out hclge_cmd_send()
From: Yufeng Mo <moyufeng@huawei.com> hclge_cmd_send() is bloated, so split it into separate functions for readability and maintainability. Signed-off-by: Yufeng Mo <moyufeng@huawei.com> Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com> --- .../hisilicon/hns3/hns3pf/hclge_cmd.c | 100 +++++++++++------- 1 file changed, 59 insertions(+), 41 deletions(-) diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.c index cb2c955ce52c..1bd0ddfaec4d 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.c @@ -194,6 +194,22 @@ struct errcode { int common_errno; }; +static void hclge_cmd_copy_desc(struct hclge_hw *hw, struct hclge_desc *desc, + int num) +{ + struct hclge_desc *desc_to_use; + int handle = 0; + + while (handle < num) { + desc_to_use = &hw->cmq.csq.desc[hw->cmq.csq.next_to_use]; + *desc_to_use = desc[handle]; + (hw->cmq.csq.next_to_use)++; + if (hw->cmq.csq.next_to_use >= hw->cmq.csq.desc_num) + hw->cmq.csq.next_to_use = 0; + handle++; + } +} + static int hclge_cmd_convert_err_code(u16 desc_ret) { struct errcode hclge_cmd_errcode[] = { @@ -243,6 +259,44 @@ static int hclge_cmd_check_retval(struct hclge_hw *hw, struct hclge_desc *desc, return hclge_cmd_convert_err_code(desc_ret); } +static int hclge_cmd_check_result(struct hclge_hw *hw, struct hclge_desc *desc, + int num, int ntc) +{ + struct hclge_dev *hdev = container_of(hw, struct hclge_dev, hw); + bool is_completed = false; + u32 timeout = 0; + int handle, ret; + + /** + * If the command is sync, wait for the firmware to write back, + * if multi descriptors to be sent, use the first one to check + */ + if (HCLGE_SEND_SYNC(le16_to_cpu(desc->flag))) { + do { + if (hclge_cmd_csq_done(hw)) { + is_completed = true; + break; + } + udelay(1); + timeout++; + } while (timeout < hw->cmq.tx_timeout); + } + + if (!is_completed) + ret = -EBADE; + else + ret = hclge_cmd_check_retval(hw, desc, num, ntc); + + /* Clean the command send queue */ + handle = hclge_cmd_csq_clean(hw); + if (handle < 0) + ret = handle; + else if (handle != num) + dev_warn(&hdev->pdev->dev, + "cleaned %d, need to clean %d\n", handle, num); + return ret; +} + /** * hclge_cmd_send - send command to command queue * @hw: pointer to the hw struct @@ -256,11 +310,7 @@ int hclge_cmd_send(struct hclge_hw *hw, struct hclge_desc *desc, int num) { struct hclge_dev *hdev = container_of(hw, struct hclge_dev, hw); struct hclge_cmq_ring *csq = &hw->cmq.csq; - struct hclge_desc *desc_to_use; - bool complete = false; - u32 timeout = 0; - int handle = 0; - int retval; + int ret; int ntc; spin_lock_bh(&hw->cmq.csq.lock); @@ -284,49 +334,17 @@ int hclge_cmd_send(struct hclge_hw *hw, struct hclge_desc *desc, int num) * which will be use for hardware to write back */ ntc = hw->cmq.csq.next_to_use; - while (handle < num) { - desc_to_use = &hw->cmq.csq.desc[hw->cmq.csq.next_to_use]; - *desc_to_use = desc[handle]; - (hw->cmq.csq.next_to_use)++; - if (hw->cmq.csq.next_to_use >= hw->cmq.csq.desc_num) - hw->cmq.csq.next_to_use = 0; - handle++; - } + + hclge_cmd_copy_desc(hw, desc, num); /* Write to hardware */ hclge_write_dev(hw, HCLGE_NIC_CSQ_TAIL_REG, hw->cmq.csq.next_to_use); - /** - * If the command is sync, wait for the firmware to write back, - * if multi descriptors to be sent, use the first one to check - */ - if (HCLGE_SEND_SYNC(le16_to_cpu(desc->flag))) { - do { - if (hclge_cmd_csq_done(hw)) { - complete = true; - break; - } - udelay(1); - timeout++; - } while (timeout < hw->cmq.tx_timeout); - } - - if (!complete) - retval = -EBADE; - else - retval = hclge_cmd_check_retval(hw, desc, num, ntc); - - /* Clean the command send queue */ - handle = hclge_cmd_csq_clean(hw); - if (handle < 0) - retval = handle; - else if (handle != num) - dev_warn(&hdev->pdev->dev, - "cleaned %d, need to clean %d\n", handle, num); + ret = hclge_cmd_check_result(hw, desc, num, ntc); spin_unlock_bh(&hw->cmq.csq.lock); - return retval; + return ret; } static void hclge_set_default_capability(struct hclge_dev *hdev) -- 2.25.1
From: Yufeng Mo <moyufeng@huawei.com> hclgevf_cmd_send() is bloated, so split it into separate functions for readability and maintainability. Signed-off-by: Yufeng Mo <moyufeng@huawei.com> Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com> --- .../hisilicon/hns3/hns3vf/hclgevf_cmd.c | 141 ++++++++++-------- 1 file changed, 81 insertions(+), 60 deletions(-) diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_cmd.c b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_cmd.c index 603665e5bf39..46700c427849 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_cmd.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_cmd.c @@ -181,6 +181,22 @@ struct vf_errcode { int common_errno; }; +static void hclgevf_cmd_copy_desc(struct hclgevf_hw *hw, + struct hclgevf_desc *desc, int num) +{ + struct hclgevf_desc *desc_to_use; + int handle = 0; + + while (handle < num) { + desc_to_use = &hw->cmq.csq.desc[hw->cmq.csq.next_to_use]; + *desc_to_use = desc[handle]; + (hw->cmq.csq.next_to_use)++; + if (hw->cmq.csq.next_to_use == hw->cmq.csq.desc_num) + hw->cmq.csq.next_to_use = 0; + handle++; + } +} + static int hclgevf_cmd_convert_err_code(u16 desc_ret) { struct vf_errcode hclgevf_cmd_errcode[] = { @@ -207,6 +223,66 @@ static int hclgevf_cmd_convert_err_code(u16 desc_ret) return -EIO; } +static int hclgevf_cmd_check_retval(struct hclgevf_hw *hw, + struct hclgevf_desc *desc, int num, int ntc) +{ + u16 opcode, desc_ret; + int handle; + + opcode = le16_to_cpu(desc[0].opcode); + for (handle = 0; handle < num; handle++) { + /* Get the result of hardware write back */ + desc[handle] = hw->cmq.csq.desc[ntc]; + ntc++; + if (ntc == hw->cmq.csq.desc_num) + ntc = 0; + } + if (likely(!hclgevf_is_special_opcode(opcode))) + desc_ret = le16_to_cpu(desc[num - 1].retval); + else + desc_ret = le16_to_cpu(desc[0].retval); + hw->cmq.last_status = desc_ret; + + return hclgevf_cmd_convert_err_code(desc_ret); +} + +static int hclgevf_cmd_check_result(struct hclgevf_hw *hw, + struct hclgevf_desc *desc, int num, int ntc) +{ + struct hclgevf_dev *hdev = (struct hclgevf_dev *)hw->hdev; + bool is_completed = false; + u32 timeout = 0; + int handle, ret; + + /* If the command is sync, wait for the firmware to write back, + * if multi descriptors to be sent, use the first one to check + */ + if (HCLGEVF_SEND_SYNC(le16_to_cpu(desc->flag))) { + do { + if (hclgevf_cmd_csq_done(hw)) { + is_completed = true; + break; + } + udelay(1); + timeout++; + } while (timeout < hw->cmq.tx_timeout); + } + + if (!is_completed) + ret = -EBADE; + else + ret = hclgevf_cmd_check_retval(hw, desc, num, ntc); + + /* Clean the command send queue */ + handle = hclgevf_cmd_csq_clean(hw); + if (handle < 0) + ret = handle; + else if (handle != num) + dev_warn(&hdev->pdev->dev, + "cleaned %d, need to clean %d\n", handle, num); + return ret; +} + /* hclgevf_cmd_send - send command to command queue * @hw: pointer to the hw struct * @desc: prefilled descriptor for describing the command @@ -219,13 +295,7 @@ int hclgevf_cmd_send(struct hclgevf_hw *hw, struct hclgevf_desc *desc, int num) { struct hclgevf_dev *hdev = (struct hclgevf_dev *)hw->hdev; struct hclgevf_cmq_ring *csq = &hw->cmq.csq; - struct hclgevf_desc *desc_to_use; - bool complete = false; - u32 timeout = 0; - int handle = 0; - int status = 0; - u16 retval; - u16 opcode; + int ret; int ntc; spin_lock_bh(&hw->cmq.csq.lock); @@ -249,67 +319,18 @@ int hclgevf_cmd_send(struct hclgevf_hw *hw, struct hclgevf_desc *desc, int num) * which will be use for hardware to write back */ ntc = hw->cmq.csq.next_to_use; - opcode = le16_to_cpu(desc[0].opcode); - while (handle < num) { - desc_to_use = &hw->cmq.csq.desc[hw->cmq.csq.next_to_use]; - *desc_to_use = desc[handle]; - (hw->cmq.csq.next_to_use)++; - if (hw->cmq.csq.next_to_use == hw->cmq.csq.desc_num) - hw->cmq.csq.next_to_use = 0; - handle++; - } + + hclgevf_cmd_copy_desc(hw, desc, num); /* Write to hardware */ hclgevf_write_dev(hw, HCLGEVF_NIC_CSQ_TAIL_REG, hw->cmq.csq.next_to_use); - /* If the command is sync, wait for the firmware to write back, - * if multi descriptors to be sent, use the first one to check - */ - if (HCLGEVF_SEND_SYNC(le16_to_cpu(desc->flag))) { - do { - if (hclgevf_cmd_csq_done(hw)) - break; - udelay(1); - timeout++; - } while (timeout < hw->cmq.tx_timeout); - } - - if (hclgevf_cmd_csq_done(hw)) { - complete = true; - handle = 0; - - while (handle < num) { - /* Get the result of hardware write back */ - desc_to_use = &hw->cmq.csq.desc[ntc]; - desc[handle] = *desc_to_use; - - if (likely(!hclgevf_is_special_opcode(opcode))) - retval = le16_to_cpu(desc[handle].retval); - else - retval = le16_to_cpu(desc[0].retval); - - status = hclgevf_cmd_convert_err_code(retval); - hw->cmq.last_status = (enum hclgevf_cmd_status)retval; - ntc++; - handle++; - if (ntc == hw->cmq.csq.desc_num) - ntc = 0; - } - } - - if (!complete) - status = -EBADE; - - /* Clean the command send queue */ - handle = hclgevf_cmd_csq_clean(hw); - if (handle != num) - dev_warn(&hdev->pdev->dev, - "cleaned %d, need to clean %d\n", handle, num); + ret = hclgevf_cmd_check_result(hw, desc, num, ntc); spin_unlock_bh(&hw->cmq.csq.lock); - return status; + return ret; } static void hclgevf_set_default_capability(struct hclgevf_dev *hdev) -- 2.25.1
To make it more readable and maintainable, split hclge_set_rss_tuple() into two parts. Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com> --- .../hisilicon/hns3/hns3pf/hclge_main.c | 42 +++++++++++++------ 1 file changed, 29 insertions(+), 13 deletions(-) diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c index 17090c2b6c8b..47a7115fdb5d 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c @@ -4501,22 +4501,12 @@ static u8 hclge_get_rss_hash_bits(struct ethtool_rxnfc *nfc) return hash_sets; } -static int hclge_set_rss_tuple(struct hnae3_handle *handle, - struct ethtool_rxnfc *nfc) +static int hclge_init_rss_tuple_cmd(struct hclge_vport *vport, + struct ethtool_rxnfc *nfc, + struct hclge_rss_input_tuple_cmd *req) { - struct hclge_vport *vport = hclge_get_vport(handle); struct hclge_dev *hdev = vport->back; - struct hclge_rss_input_tuple_cmd *req; - struct hclge_desc desc; u8 tuple_sets; - int ret; - - if (nfc->data & ~(RXH_IP_SRC | RXH_IP_DST | - RXH_L4_B_0_1 | RXH_L4_B_2_3)) - return -EINVAL; - - req = (struct hclge_rss_input_tuple_cmd *)desc.data; - hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_RSS_INPUT_TUPLE, false); req->ipv4_tcp_en = vport->rss_tuple_sets.ipv4_tcp_en; req->ipv4_udp_en = vport->rss_tuple_sets.ipv4_udp_en; @@ -4561,6 +4551,32 @@ static int hclge_set_rss_tuple(struct hnae3_handle *handle, return -EINVAL; } + return 0; +} + +static int hclge_set_rss_tuple(struct hnae3_handle *handle, + struct ethtool_rxnfc *nfc) +{ + struct hclge_vport *vport = hclge_get_vport(handle); + struct hclge_dev *hdev = vport->back; + struct hclge_rss_input_tuple_cmd *req; + struct hclge_desc desc; + int ret; + + if (nfc->data & ~(RXH_IP_SRC | RXH_IP_DST | + RXH_L4_B_0_1 | RXH_L4_B_2_3)) + return -EINVAL; + + req = (struct hclge_rss_input_tuple_cmd *)desc.data; + hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_RSS_INPUT_TUPLE, false); + + ret = hclge_init_rss_tuple_cmd(vport, nfc, req); + if (ret) { + dev_err(&hdev->pdev->dev, + "failed to init rss tuple cmd, ret = %d\n", ret); + return ret; + } + ret = hclge_cmd_send(&hdev->hw, &desc, 1); if (ret) { dev_err(&hdev->pdev->dev, -- 2.25.1
To make it more readable and maintainable, split hclgevf_set_rss_tuple() into two parts. Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com> --- .../hisilicon/hns3/hns3vf/hclgevf_main.c | 47 +++++++++++++------ 1 file changed, 32 insertions(+), 15 deletions(-) diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c index c4ac2b9771e8..700e068764c8 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c @@ -873,25 +873,13 @@ static u8 hclgevf_get_rss_hash_bits(struct ethtool_rxnfc *nfc) return hash_sets; } -static int hclgevf_set_rss_tuple(struct hnae3_handle *handle, - struct ethtool_rxnfc *nfc) +static int hclgevf_init_rss_tuple_cmd(struct hnae3_handle *handle, + struct ethtool_rxnfc *nfc, + struct hclgevf_rss_input_tuple_cmd *req) { struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle); struct hclgevf_rss_cfg *rss_cfg = &hdev->rss_cfg; - struct hclgevf_rss_input_tuple_cmd *req; - struct hclgevf_desc desc; u8 tuple_sets; - int ret; - - if (hdev->ae_dev->dev_version < HNAE3_DEVICE_VERSION_V2) - return -EOPNOTSUPP; - - if (nfc->data & - ~(RXH_IP_SRC | RXH_IP_DST | RXH_L4_B_0_1 | RXH_L4_B_2_3)) - return -EINVAL; - - req = (struct hclgevf_rss_input_tuple_cmd *)desc.data; - hclgevf_cmd_setup_basic_desc(&desc, HCLGEVF_OPC_RSS_INPUT_TUPLE, false); req->ipv4_tcp_en = rss_cfg->rss_tuple_sets.ipv4_tcp_en; req->ipv4_udp_en = rss_cfg->rss_tuple_sets.ipv4_udp_en; @@ -936,6 +924,35 @@ static int hclgevf_set_rss_tuple(struct hnae3_handle *handle, return -EINVAL; } + return 0; +} + +static int hclgevf_set_rss_tuple(struct hnae3_handle *handle, + struct ethtool_rxnfc *nfc) +{ + struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle); + struct hclgevf_rss_cfg *rss_cfg = &hdev->rss_cfg; + struct hclgevf_rss_input_tuple_cmd *req; + struct hclgevf_desc desc; + int ret; + + if (hdev->ae_dev->dev_version < HNAE3_DEVICE_VERSION_V2) + return -EOPNOTSUPP; + + if (nfc->data & + ~(RXH_IP_SRC | RXH_IP_DST | RXH_L4_B_0_1 | RXH_L4_B_2_3)) + return -EINVAL; + + req = (struct hclgevf_rss_input_tuple_cmd *)desc.data; + hclgevf_cmd_setup_basic_desc(&desc, HCLGEVF_OPC_RSS_INPUT_TUPLE, false); + + ret = hclgevf_init_rss_tuple_cmd(handle, nfc, req); + if (ret) { + dev_err(&hdev->pdev->dev, + "failed to init rss tuple cmd, ret = %d\n", ret); + return ret; + } + ret = hclgevf_cmd_send(&hdev->hw, &desc, 1); if (ret) { dev_err(&hdev->pdev->dev, -- 2.25.1
From: Hao Chen <chenhao288@hisilicon.com> hclge_rm_vport_all_mac_table() is bloated, so split it into separate functions for readability and maintainability. Signed-off-by: Hao Chen <chenhao288@hisilicon.com> Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com> --- .../hisilicon/hns3/hns3pf/hclge_main.c | 67 ++++++++++++------- 1 file changed, 43 insertions(+), 24 deletions(-) diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c index 47a7115fdb5d..34b744df6709 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c @@ -8353,36 +8353,18 @@ static void hclge_sync_mac_table(struct hclge_dev *hdev) } } -void hclge_rm_vport_all_mac_table(struct hclge_vport *vport, bool is_del_list, - enum HCLGE_MAC_ADDR_TYPE mac_type) +static void hclge_build_del_list(struct list_head *list, + bool is_del_list, + struct list_head *tmp_del_list) { - int (*unsync)(struct hclge_vport *vport, const unsigned char *addr); struct hclge_mac_node *mac_cfg, *tmp; - struct hclge_dev *hdev = vport->back; - struct list_head tmp_del_list, *list; - int ret; - - if (mac_type == HCLGE_MAC_ADDR_UC) { - list = &vport->uc_mac_list; - unsync = hclge_rm_uc_addr_common; - } else { - list = &vport->mc_mac_list; - unsync = hclge_rm_mc_addr_common; - } - - INIT_LIST_HEAD(&tmp_del_list); - - if (!is_del_list) - set_bit(vport->vport_id, hdev->vport_config_block); - - spin_lock_bh(&vport->mac_list_lock); list_for_each_entry_safe(mac_cfg, tmp, list, node) { switch (mac_cfg->state) { case HCLGE_MAC_TO_DEL: case HCLGE_MAC_ACTIVE: list_del(&mac_cfg->node); - list_add_tail(&mac_cfg->node, &tmp_del_list); + list_add_tail(&mac_cfg->node, tmp_del_list); break; case HCLGE_MAC_TO_ADD: if (is_del_list) { @@ -8392,10 +8374,18 @@ void hclge_rm_vport_all_mac_table(struct hclge_vport *vport, bool is_del_list, break; } } +} - spin_unlock_bh(&vport->mac_list_lock); +static void hclge_unsync_del_list(struct hclge_vport *vport, + int (*unsync)(struct hclge_vport *vport, + const unsigned char *addr), + bool is_del_list, + struct list_head *tmp_del_list) +{ + struct hclge_mac_node *mac_cfg, *tmp; + int ret; - list_for_each_entry_safe(mac_cfg, tmp, &tmp_del_list, node) { + list_for_each_entry_safe(mac_cfg, tmp, tmp_del_list, node) { ret = unsync(vport, mac_cfg->mac_addr); if (!ret || ret == -ENOENT) { /* clear all mac addr from hardware, but remain these @@ -8413,6 +8403,35 @@ void hclge_rm_vport_all_mac_table(struct hclge_vport *vport, bool is_del_list, mac_cfg->state = HCLGE_MAC_TO_DEL; } } +} + +void hclge_rm_vport_all_mac_table(struct hclge_vport *vport, bool is_del_list, + enum HCLGE_MAC_ADDR_TYPE mac_type) +{ + int (*unsync)(struct hclge_vport *vport, const unsigned char *addr); + struct hclge_dev *hdev = vport->back; + struct list_head tmp_del_list, *list; + + if (mac_type == HCLGE_MAC_ADDR_UC) { + list = &vport->uc_mac_list; + unsync = hclge_rm_uc_addr_common; + } else { + list = &vport->mc_mac_list; + unsync = hclge_rm_mc_addr_common; + } + + INIT_LIST_HEAD(&tmp_del_list); + + if (!is_del_list) + set_bit(vport->vport_id, hdev->vport_config_block); + + spin_lock_bh(&vport->mac_list_lock); + + hclge_build_del_list(list, is_del_list, &tmp_del_list); + + spin_unlock_bh(&vport->mac_list_lock); + + hclge_unsync_del_list(vport, unsync, is_del_list, &tmp_del_list); spin_lock_bh(&vport->mac_list_lock); -- 2.25.1
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Huazhong Tan