From: Jian Shen Date: Tue, 8 Oct 2019 01:20:06 +0000 (+0800) Subject: net: hns3: add support for setting VF trust X-Git-Tag: v5.5-rc1~174^2~389^2~3 X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=e196ec75958e16f5a6d418a1296244f825109d8a;p=linux.git net: hns3: add support for setting VF trust This patch adds supports for setting VF trust by host. If specified VF is trusted, then it can enable promisc(include allmulti mode). If a trusted VF enabled promisc, and being untrusted, host will disable promisc mode for this VF. For VF will update its promisc mode from set_rx_mode now, so it's unnecessary to set broadcst promisc mode when initialization or reset. Signed-off-by: Jian Shen Signed-off-by: Huazhong Tan Signed-off-by: Jakub Kicinski --- diff --git a/drivers/net/ethernet/hisilicon/hns3/hclge_mbx.h b/drivers/net/ethernet/hisilicon/hns3/hclge_mbx.h index f8a87f8ca983..0059d440e1f9 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hclge_mbx.h +++ b/drivers/net/ethernet/hisilicon/hns3/hclge_mbx.h @@ -45,6 +45,7 @@ enum HCLGE_MBX_OPCODE { HCLGE_MBX_GET_LINK_MODE, /* (VF -> PF) get the link mode of pf */ HCLGE_MBX_PUSH_VLAN_INFO, /* (PF -> VF) push port base vlan */ HCLGE_MBX_GET_MEDIA_TYPE, /* (VF -> PF) get media type */ + HCLGE_MBX_PUSH_PROMISC_INFO, /* (PF -> VF) push vf promisc info */ HCLGE_MBX_GET_VF_FLR_STATUS = 200, /* (M7 -> PF) get vf reset status */ HCLGE_MBX_PUSH_LINK_STATUS, /* (M7 -> PF) get port link status */ diff --git a/drivers/net/ethernet/hisilicon/hns3/hnae3.h b/drivers/net/ethernet/hisilicon/hns3/hnae3.h index b7b81697d906..ef56f3737855 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hnae3.h +++ b/drivers/net/ethernet/hisilicon/hns3/hnae3.h @@ -370,6 +370,9 @@ struct hnae3_ae_dev { * Set VF link status * set_vf_spoofchk * Enable/disable spoof check for specified vf + * set_vf_trust + * Enable/disable trust for specified vf, if the vf being trusted, then + * it can enable promisc mode */ struct hnae3_ae_ops { int (*init_ae_dev)(struct hnae3_ae_dev *ae_dev); @@ -541,6 +544,7 @@ struct hnae3_ae_ops { int link_state); int (*set_vf_spoofchk)(struct hnae3_handle *handle, int vf, bool enable); + int (*set_vf_trust)(struct hnae3_handle *handle, int vf, 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 4a5404ef39a6..5c50555fa28c 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c @@ -1656,6 +1656,16 @@ static int hns3_set_vf_spoofchk(struct net_device *netdev, int vf, bool enable) return handle->ae_algo->ops->set_vf_spoofchk(handle, vf, enable); } +static int hns3_set_vf_trust(struct net_device *netdev, int vf, bool enable) +{ + struct hnae3_handle *handle = hns3_get_handle(netdev); + + if (!handle->ae_algo->ops->set_vf_trust) + return -EOPNOTSUPP; + + return handle->ae_algo->ops->set_vf_trust(handle, vf, enable); +} + static int hns3_nic_change_mtu(struct net_device *netdev, int new_mtu) { struct hnae3_handle *h = hns3_get_handle(netdev); @@ -1856,6 +1866,7 @@ static const struct net_device_ops hns3_nic_netdev_ops = { .ndo_vlan_rx_kill_vid = hns3_vlan_rx_kill_vid, .ndo_set_vf_vlan = hns3_ndo_set_vf_vlan, .ndo_set_vf_spoofchk = hns3_set_vf_spoofchk, + .ndo_set_vf_trust = hns3_set_vf_trust, #ifdef CONFIG_RFS_ACCEL .ndo_rx_flow_steer = hns3_rx_flow_steer, #endif diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.h b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.h index 4821fe08b5e4..265695aaba5d 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.h +++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.h @@ -1090,9 +1090,6 @@ void hclge_cmd_setup_basic_desc(struct hclge_desc *desc, enum hclge_opcode_type opcode, bool is_read); void hclge_cmd_reuse_desc(struct hclge_desc *desc, bool is_read); -int hclge_cmd_set_promisc_mode(struct hclge_dev *hdev, - struct hclge_promisc_param *param); - enum hclge_cmd_status hclge_cmd_mdio_write(struct hclge_hw *hw, struct hclge_desc *desc); enum hclge_cmd_status hclge_cmd_mdio_read(struct hclge_hw *hw, diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c index 7c728623b4b0..c63f723dc00e 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c @@ -2889,6 +2889,7 @@ static int hclge_get_vf_config(struct hnae3_handle *handle, int vf, ivf->vf = vf; ivf->linkstate = vport->vf_info.link_state; ivf->spoofchk = vport->vf_info.spoofchk; + ivf->trusted = vport->vf_info.trusted; ether_addr_copy(ivf->mac, vport->vf_info.mac); return 0; @@ -4614,8 +4615,8 @@ static int hclge_unmap_ring_frm_vector(struct hnae3_handle *handle, int vector, return ret; } -int hclge_cmd_set_promisc_mode(struct hclge_dev *hdev, - struct hclge_promisc_param *param) +static int hclge_cmd_set_promisc_mode(struct hclge_dev *hdev, + struct hclge_promisc_param *param) { struct hclge_promisc_cfg_cmd *req; struct hclge_desc desc; @@ -4642,8 +4643,9 @@ int hclge_cmd_set_promisc_mode(struct hclge_dev *hdev, return ret; } -void hclge_promisc_param_init(struct hclge_promisc_param *param, bool en_uc, - bool en_mc, bool en_bc, int vport_id) +static void hclge_promisc_param_init(struct hclge_promisc_param *param, + bool en_uc, bool en_mc, bool en_bc, + int vport_id) { if (!param) return; @@ -4658,12 +4660,21 @@ void hclge_promisc_param_init(struct hclge_promisc_param *param, bool en_uc, param->vf_id = vport_id; } +int hclge_set_vport_promisc_mode(struct hclge_vport *vport, bool en_uc_pmc, + bool en_mc_pmc, bool en_bc_pmc) +{ + struct hclge_dev *hdev = vport->back; + struct hclge_promisc_param param; + + hclge_promisc_param_init(¶m, en_uc_pmc, en_mc_pmc, en_bc_pmc, + vport->vport_id); + return hclge_cmd_set_promisc_mode(hdev, ¶m); +} + static int hclge_set_promisc_mode(struct hnae3_handle *handle, bool en_uc_pmc, bool en_mc_pmc) { struct hclge_vport *vport = hclge_get_vport(handle); - struct hclge_dev *hdev = vport->back; - struct hclge_promisc_param param; bool en_bc_pmc = true; /* For revision 0x20, if broadcast promisc enabled, vlan filter is @@ -4673,9 +4684,8 @@ static int hclge_set_promisc_mode(struct hnae3_handle *handle, bool en_uc_pmc, if (handle->pdev->revision == 0x20) en_bc_pmc = handle->netdev_flags & HNAE3_BPE ? true : false; - hclge_promisc_param_init(¶m, en_uc_pmc, en_mc_pmc, en_bc_pmc, - vport->vport_id); - return hclge_cmd_set_promisc_mode(hdev, ¶m); + return hclge_set_vport_promisc_mode(vport, en_uc_pmc, en_mc_pmc, + en_bc_pmc); } static int hclge_get_fd_mode(struct hclge_dev *hdev, u8 *fd_mode) @@ -9479,6 +9489,37 @@ static int hclge_reset_vport_spoofchk(struct hclge_dev *hdev) return 0; } +static int hclge_set_vf_trust(struct hnae3_handle *handle, int vf, bool enable) +{ + struct hclge_vport *vport = hclge_get_vport(handle); + struct hclge_dev *hdev = vport->back; + u32 new_trusted = enable ? 1 : 0; + bool en_bc_pmc; + int ret; + + vport = hclge_get_vf_vport(hdev, vf); + if (!vport) + return -EINVAL; + + if (vport->vf_info.trusted == new_trusted) + return 0; + + /* Disable promisc mode for VF if it is not trusted any more. */ + if (!enable && vport->vf_info.promisc_enable) { + en_bc_pmc = hdev->pdev->revision != 0x20; + ret = hclge_set_vport_promisc_mode(vport, false, false, + en_bc_pmc); + if (ret) + return ret; + vport->vf_info.promisc_enable = 0; + hclge_inform_vf_promisc_info(vport); + } + + vport->vf_info.trusted = new_trusted; + + return 0; +} + static void hclge_reset_vport_state(struct hclge_dev *hdev) { struct hclge_vport *vport = hdev->vport; @@ -10318,6 +10359,7 @@ static const struct hnae3_ae_ops hclge_ops = { .get_vf_config = hclge_get_vf_config, .set_vf_link_state = hclge_set_vf_link_state, .set_vf_spoofchk = hclge_set_vf_spoofchk, + .set_vf_trust = hclge_set_vf_trust, }; static struct hnae3_ae_algo ae_algo = { diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.h b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.h index 9483529606a3..66e8833856e5 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.h +++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.h @@ -889,6 +889,8 @@ struct hclge_vf_info { int link_state; u8 mac[ETH_ALEN]; u32 spoofchk; + u32 trusted; + u16 promisc_enable; }; struct hclge_vport { @@ -929,9 +931,8 @@ struct hclge_vport { struct list_head vlan_list; /* Store VF vlan table */ }; -void hclge_promisc_param_init(struct hclge_promisc_param *param, bool en_uc, - bool en_mc, bool en_bc, int vport_id); - +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, const unsigned char *addr); int hclge_rm_uc_addr_common(struct hclge_vport *vport, @@ -1000,4 +1001,5 @@ int hclge_query_bd_num_cmd_send(struct hclge_dev *hdev, struct hclge_desc *desc); void hclge_report_hw_error(struct hclge_dev *hdev, enum hnae3_hw_error_type type); +void hclge_inform_vf_promisc_info(struct hclge_vport *vport); #endif diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mbx.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mbx.c index cad7029f360d..131b47bac3a2 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mbx.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mbx.c @@ -205,12 +205,38 @@ static int hclge_map_unmap_ring_to_vf_vector(struct hclge_vport *vport, bool en, static int hclge_set_vf_promisc_mode(struct hclge_vport *vport, struct hclge_mbx_vf_to_pf_cmd *req) { - bool en_bc = req->msg[1] ? true : false; - struct hclge_promisc_param param; +#define HCLGE_MBX_BC_INDEX 1 +#define HCLGE_MBX_UC_INDEX 2 +#define HCLGE_MBX_MC_INDEX 3 - /* vf is not allowed to enable unicast/multicast broadcast */ - hclge_promisc_param_init(¶m, false, false, en_bc, vport->vport_id); - return hclge_cmd_set_promisc_mode(vport->back, ¶m); + bool en_bc = req->msg[HCLGE_MBX_BC_INDEX] ? true : false; + bool en_uc = req->msg[HCLGE_MBX_UC_INDEX] ? true : false; + bool en_mc = req->msg[HCLGE_MBX_MC_INDEX] ? true : false; + int ret; + + if (!vport->vf_info.trusted) { + en_uc = false; + en_mc = false; + } + + ret = hclge_set_vport_promisc_mode(vport, en_uc, en_mc, en_bc); + if (req->mbx_need_resp) + hclge_gen_resp_to_vf(vport, req, ret, NULL, 0); + + vport->vf_info.promisc_enable = (en_uc || en_mc) ? 1 : 0; + + return ret; +} + +void hclge_inform_vf_promisc_info(struct hclge_vport *vport) +{ + u8 dest_vfid = (u8)vport->vport_id; + u8 msg_data[2]; + + memcpy(&msg_data[0], &vport->vf_info.promisc_enable, sizeof(u16)); + + hclge_send_mbx_msg(vport, msg_data, sizeof(msg_data), + HCLGE_MBX_PUSH_PROMISC_INFO, dest_vfid); } static int hclge_set_vf_uc_mac_addr(struct hclge_vport *vport, diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c index 2b87b70a5385..17326681db6d 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c @@ -1105,6 +1105,7 @@ static int hclgevf_put_vector(struct hnae3_handle *handle, int vector) } static int hclgevf_cmd_set_promisc_mode(struct hclgevf_dev *hdev, + bool en_uc_pmc, bool en_mc_pmc, bool en_bc_pmc) { struct hclge_mbx_vf_to_pf_cmd *req; @@ -1112,10 +1113,11 @@ static int hclgevf_cmd_set_promisc_mode(struct hclgevf_dev *hdev, int ret; req = (struct hclge_mbx_vf_to_pf_cmd *)desc.data; - hclgevf_cmd_setup_basic_desc(&desc, HCLGEVF_OPC_MBX_VF_TO_PF, false); req->msg[0] = HCLGE_MBX_SET_PROMISC_MODE; req->msg[1] = en_bc_pmc ? 1 : 0; + req->msg[2] = en_uc_pmc ? 1 : 0; + req->msg[3] = en_mc_pmc ? 1 : 0; ret = hclgevf_cmd_send(&hdev->hw, &desc, 1); if (ret) @@ -1125,9 +1127,17 @@ static int hclgevf_cmd_set_promisc_mode(struct hclgevf_dev *hdev, return ret; } -static int hclgevf_set_promisc_mode(struct hclgevf_dev *hdev, bool en_bc_pmc) +static int hclgevf_set_promisc_mode(struct hnae3_handle *handle, bool en_uc_pmc, + bool en_mc_pmc) { - return hclgevf_cmd_set_promisc_mode(hdev, en_bc_pmc); + struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle); + struct pci_dev *pdev = hdev->pdev; + bool en_bc_pmc; + + en_bc_pmc = pdev->revision != 0x20; + + return hclgevf_cmd_set_promisc_mode(hdev, en_uc_pmc, en_mc_pmc, + en_bc_pmc); } static int hclgevf_tqp_enable(struct hclgevf_dev *hdev, unsigned int tqp_id, @@ -2626,12 +2636,6 @@ static int hclgevf_reset_hdev(struct hclgevf_dev *hdev) return ret; } - if (pdev->revision >= 0x21) { - ret = hclgevf_set_promisc_mode(hdev, true); - if (ret) - return ret; - } - dev_info(&hdev->pdev->dev, "Reset done\n"); return 0; @@ -2706,17 +2710,6 @@ static int hclgevf_init_hdev(struct hclgevf_dev *hdev) if (ret) goto err_config; - /* vf is not allowed to enable unicast/multicast promisc mode. - * For revision 0x20, default to disable broadcast promisc mode, - * firmware makes sure broadcast packets can be accepted. - * For revision 0x21, default to enable broadcast promisc mode. - */ - if (pdev->revision >= 0x21) { - ret = hclgevf_set_promisc_mode(hdev, true); - if (ret) - goto err_config; - } - /* Initialize RSS for this VF */ ret = hclgevf_rss_init_hw(hdev); if (ret) { @@ -3130,6 +3123,7 @@ static const struct hnae3_ae_ops hclgevf_ops = { .get_global_queue_id = hclgevf_get_qid_global, .set_timer_task = hclgevf_set_timer_task, .get_link_mode = hclgevf_get_link_mode, + .set_promisc_mode = hclgevf_set_promisc_mode, }; static struct hnae3_ae_algo ae_algovf = { diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_mbx.c b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_mbx.c index a108191c9e50..72bacf89f09c 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_mbx.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_mbx.c @@ -205,6 +205,7 @@ void hclgevf_mbx_handler(struct hclgevf_dev *hdev) case HCLGE_MBX_ASSERTING_RESET: case HCLGE_MBX_LINK_STAT_MODE: case HCLGE_MBX_PUSH_VLAN_INFO: + case HCLGE_MBX_PUSH_PROMISC_INFO: /* set this mbx event as pending. This is required as we * might loose interrupt event when mbx task is busy * handling. This shall be cleared when mbx task just @@ -248,6 +249,14 @@ void hclgevf_mbx_handler(struct hclgevf_dev *hdev) crq->next_to_use); } +static void hclgevf_parse_promisc_info(struct hclgevf_dev *hdev, + u16 promisc_info) +{ + if (!promisc_info) + dev_info(&hdev->pdev->dev, + "Promisc mode is closed by host for being untrusted.\n"); +} + void hclgevf_mbx_async_handler(struct hclgevf_dev *hdev) { enum hnae3_reset_type reset_type; @@ -313,6 +322,9 @@ void hclgevf_mbx_async_handler(struct hclgevf_dev *hdev) hclgevf_update_port_base_vlan_info(hdev, state, (u8 *)vlan_info, 8); break; + case HCLGE_MBX_PUSH_PROMISC_INFO: + hclgevf_parse_promisc_info(hdev, msg_q[1]); + break; default: dev_err(&hdev->pdev->dev, "fetched unsupported(%d) message from arq\n",