Author | Tokens | Token Proportion | Commits | Commit Proportion |
---|---|---|---|---|
Salil | 2053 | 71.83% | 3 | 11.11% |
Lin Yun Sheng | 304 | 10.64% | 5 | 18.52% |
Zhongzhu Liu | 116 | 4.06% | 1 | 3.70% |
Xi Wang | 113 | 3.95% | 2 | 7.41% |
Fuyun Liang | 105 | 3.67% | 5 | 18.52% |
Huazhong Tan | 98 | 3.43% | 4 | 14.81% |
Li Peng | 68 | 2.38% | 6 | 22.22% |
Jian Shen | 1 | 0.03% | 1 | 3.70% |
Total | 2858 | 27 |
// SPDX-License-Identifier: GPL-2.0+ // Copyright (c) 2016-2017 Hisilicon Limited. #include "hclge_main.h" #include "hclge_mbx.h" #include "hnae3.h" /* hclge_gen_resp_to_vf: used to generate a synchronous response to VF when PF * receives a mailbox message from VF. * @vport: pointer to struct hclge_vport * @vf_to_pf_req: pointer to hclge_mbx_vf_to_pf_cmd of the original mailbox * message * @resp_status: indicate to VF whether its request success(0) or failed. */ static int hclge_gen_resp_to_vf(struct hclge_vport *vport, struct hclge_mbx_vf_to_pf_cmd *vf_to_pf_req, int resp_status, u8 *resp_data, u16 resp_data_len) { struct hclge_mbx_pf_to_vf_cmd *resp_pf_to_vf; struct hclge_dev *hdev = vport->back; enum hclge_cmd_status status; struct hclge_desc desc; resp_pf_to_vf = (struct hclge_mbx_pf_to_vf_cmd *)desc.data; if (resp_data_len > HCLGE_MBX_MAX_RESP_DATA_SIZE) { dev_err(&hdev->pdev->dev, "PF fail to gen resp to VF len %d exceeds max len %d\n", resp_data_len, HCLGE_MBX_MAX_RESP_DATA_SIZE); } hclge_cmd_setup_basic_desc(&desc, HCLGEVF_OPC_MBX_PF_TO_VF, false); resp_pf_to_vf->dest_vfid = vf_to_pf_req->mbx_src_vfid; resp_pf_to_vf->msg_len = vf_to_pf_req->msg_len; resp_pf_to_vf->msg[0] = HCLGE_MBX_PF_VF_RESP; resp_pf_to_vf->msg[1] = vf_to_pf_req->msg[0]; resp_pf_to_vf->msg[2] = vf_to_pf_req->msg[1]; resp_pf_to_vf->msg[3] = (resp_status == 0) ? 0 : 1; if (resp_data && resp_data_len > 0) memcpy(&resp_pf_to_vf->msg[4], resp_data, resp_data_len); status = hclge_cmd_send(&hdev->hw, &desc, 1); if (status) dev_err(&hdev->pdev->dev, "PF failed(=%d) to send response to VF\n", status); return status; } static int hclge_send_mbx_msg(struct hclge_vport *vport, u8 *msg, u16 msg_len, u16 mbx_opcode, u8 dest_vfid) { struct hclge_mbx_pf_to_vf_cmd *resp_pf_to_vf; struct hclge_dev *hdev = vport->back; enum hclge_cmd_status status; struct hclge_desc desc; resp_pf_to_vf = (struct hclge_mbx_pf_to_vf_cmd *)desc.data; hclge_cmd_setup_basic_desc(&desc, HCLGEVF_OPC_MBX_PF_TO_VF, false); resp_pf_to_vf->dest_vfid = dest_vfid; resp_pf_to_vf->msg_len = msg_len; resp_pf_to_vf->msg[0] = mbx_opcode; memcpy(&resp_pf_to_vf->msg[1], msg, msg_len); status = hclge_cmd_send(&hdev->hw, &desc, 1); if (status) dev_err(&hdev->pdev->dev, "PF failed(=%d) to send mailbox message to VF\n", status); return status; } int hclge_inform_reset_assert_to_vf(struct hclge_vport *vport) { struct hclge_dev *hdev = vport->back; enum hnae3_reset_type reset_type; u8 msg_data[2]; u8 dest_vfid; dest_vfid = (u8)vport->vport_id; if (hdev->reset_type == HNAE3_FUNC_RESET) reset_type = HNAE3_VF_PF_FUNC_RESET; else if (hdev->reset_type == HNAE3_FLR_RESET) reset_type = HNAE3_VF_FULL_RESET; else return -EINVAL; memcpy(&msg_data[0], &reset_type, sizeof(u16)); /* send this requested info to VF */ return hclge_send_mbx_msg(vport, msg_data, sizeof(msg_data), HCLGE_MBX_ASSERTING_RESET, dest_vfid); } static void hclge_free_vector_ring_chain(struct hnae3_ring_chain_node *head) { struct hnae3_ring_chain_node *chain_tmp, *chain; chain = head->next; while (chain) { chain_tmp = chain->next; kzfree(chain); chain = chain_tmp; } } /* hclge_get_ring_chain_from_mbx: get ring type & tqp id & int_gl idx * from mailbox message * msg[0]: opcode * msg[1]: <not relevant to this function> * msg[2]: ring_num * msg[3]: first ring type (TX|RX) * msg[4]: first tqp id * msg[5]: first int_gl idx * msg[6] ~ msg[14]: other ring type, tqp id and int_gl idx */ static int hclge_get_ring_chain_from_mbx( struct hclge_mbx_vf_to_pf_cmd *req, struct hnae3_ring_chain_node *ring_chain, struct hclge_vport *vport) { struct hnae3_ring_chain_node *cur_chain, *new_chain; int ring_num; int i; ring_num = req->msg[2]; if (ring_num > ((HCLGE_MBX_VF_MSG_DATA_NUM - HCLGE_MBX_RING_MAP_BASIC_MSG_NUM) / HCLGE_MBX_RING_NODE_VARIABLE_NUM)) return -ENOMEM; hnae3_set_bit(ring_chain->flag, HNAE3_RING_TYPE_B, req->msg[3]); ring_chain->tqp_index = hclge_get_queue_id(vport->nic.kinfo.tqp[req->msg[4]]); hnae3_set_field(ring_chain->int_gl_idx, HNAE3_RING_GL_IDX_M, HNAE3_RING_GL_IDX_S, req->msg[5]); cur_chain = ring_chain; for (i = 1; i < ring_num; i++) { new_chain = kzalloc(sizeof(*new_chain), GFP_KERNEL); if (!new_chain) goto err; hnae3_set_bit(new_chain->flag, HNAE3_RING_TYPE_B, req->msg[HCLGE_MBX_RING_NODE_VARIABLE_NUM * i + HCLGE_MBX_RING_MAP_BASIC_MSG_NUM]); new_chain->tqp_index = hclge_get_queue_id(vport->nic.kinfo.tqp [req->msg[HCLGE_MBX_RING_NODE_VARIABLE_NUM * i + HCLGE_MBX_RING_MAP_BASIC_MSG_NUM + 1]]); hnae3_set_field(new_chain->int_gl_idx, HNAE3_RING_GL_IDX_M, HNAE3_RING_GL_IDX_S, req->msg[HCLGE_MBX_RING_NODE_VARIABLE_NUM * i + HCLGE_MBX_RING_MAP_BASIC_MSG_NUM + 2]); cur_chain->next = new_chain; cur_chain = new_chain; } return 0; err: hclge_free_vector_ring_chain(ring_chain); return -ENOMEM; } static int hclge_map_unmap_ring_to_vf_vector(struct hclge_vport *vport, bool en, struct hclge_mbx_vf_to_pf_cmd *req) { struct hnae3_ring_chain_node ring_chain; int vector_id = req->msg[1]; int ret; memset(&ring_chain, 0, sizeof(ring_chain)); ret = hclge_get_ring_chain_from_mbx(req, &ring_chain, vport); if (ret) return ret; ret = hclge_bind_ring_with_vector(vport, vector_id, en, &ring_chain); if (ret) return ret; hclge_free_vector_ring_chain(&ring_chain); return 0; } static int hclge_set_vf_promisc_mode(struct hclge_vport *vport, struct hclge_mbx_vf_to_pf_cmd *req) { bool en_uc = req->msg[1] ? true : false; bool en_mc = req->msg[2] ? true : false; struct hclge_promisc_param param; /* always enable broadcast promisc bit */ hclge_promisc_param_init(¶m, en_uc, en_mc, true, vport->vport_id); return hclge_cmd_set_promisc_mode(vport->back, ¶m); } static int hclge_set_vf_uc_mac_addr(struct hclge_vport *vport, struct hclge_mbx_vf_to_pf_cmd *mbx_req, bool gen_resp) { const u8 *mac_addr = (const u8 *)(&mbx_req->msg[2]); struct hclge_dev *hdev = vport->back; int status; if (mbx_req->msg[1] == HCLGE_MBX_MAC_VLAN_UC_MODIFY) { const u8 *old_addr = (const u8 *)(&mbx_req->msg[8]); hclge_rm_uc_addr_common(vport, old_addr); status = hclge_add_uc_addr_common(vport, mac_addr); if (status) hclge_add_uc_addr_common(vport, old_addr); } else if (mbx_req->msg[1] == HCLGE_MBX_MAC_VLAN_UC_ADD) { status = hclge_add_uc_addr_common(vport, mac_addr); } else if (mbx_req->msg[1] == HCLGE_MBX_MAC_VLAN_UC_REMOVE) { status = hclge_rm_uc_addr_common(vport, mac_addr); } else { dev_err(&hdev->pdev->dev, "failed to set unicast mac addr, unknown subcode %d\n", mbx_req->msg[1]); return -EIO; } if (gen_resp) hclge_gen_resp_to_vf(vport, mbx_req, status, NULL, 0); return 0; } static int hclge_set_vf_mc_mac_addr(struct hclge_vport *vport, struct hclge_mbx_vf_to_pf_cmd *mbx_req, bool gen_resp) { const u8 *mac_addr = (const u8 *)(&mbx_req->msg[2]); struct hclge_dev *hdev = vport->back; u8 resp_len = 0; u8 resp_data; int status; if (mbx_req->msg[1] == HCLGE_MBX_MAC_VLAN_MC_ADD) { status = hclge_add_mc_addr_common(vport, mac_addr); } else if (mbx_req->msg[1] == HCLGE_MBX_MAC_VLAN_MC_REMOVE) { status = hclge_rm_mc_addr_common(vport, mac_addr); } else { dev_err(&hdev->pdev->dev, "failed to set mcast mac addr, unknown subcode %d\n", mbx_req->msg[1]); return -EIO; } if (gen_resp) hclge_gen_resp_to_vf(vport, mbx_req, status, &resp_data, resp_len); return 0; } static int hclge_set_vf_vlan_cfg(struct hclge_vport *vport, struct hclge_mbx_vf_to_pf_cmd *mbx_req, bool gen_resp) { int status = 0; if (mbx_req->msg[1] == HCLGE_MBX_VLAN_FILTER) { struct hnae3_handle *handle = &vport->nic; u16 vlan, proto; bool is_kill; is_kill = !!mbx_req->msg[2]; memcpy(&vlan, &mbx_req->msg[3], sizeof(vlan)); memcpy(&proto, &mbx_req->msg[5], sizeof(proto)); status = hclge_set_vlan_filter(handle, cpu_to_be16(proto), vlan, is_kill); } else if (mbx_req->msg[1] == HCLGE_MBX_VLAN_RX_OFF_CFG) { struct hnae3_handle *handle = &vport->nic; bool en = mbx_req->msg[2] ? true : false; status = hclge_en_hw_strip_rxvtag(handle, en); } if (gen_resp) status = hclge_gen_resp_to_vf(vport, mbx_req, status, NULL, 0); return status; } static int hclge_set_vf_alive(struct hclge_vport *vport, struct hclge_mbx_vf_to_pf_cmd *mbx_req, bool gen_resp) { bool alive = !!mbx_req->msg[2]; int ret = 0; if (alive) ret = hclge_vport_start(vport); else hclge_vport_stop(vport); return ret; } static int hclge_get_vf_tcinfo(struct hclge_vport *vport, struct hclge_mbx_vf_to_pf_cmd *mbx_req, bool gen_resp) { struct hclge_dev *hdev = vport->back; int ret; ret = hclge_gen_resp_to_vf(vport, mbx_req, 0, &hdev->hw_tc_map, sizeof(u8)); return ret; } static int hclge_get_vf_queue_info(struct hclge_vport *vport, struct hclge_mbx_vf_to_pf_cmd *mbx_req, bool gen_resp) { #define HCLGE_TQPS_RSS_INFO_LEN 8 u8 resp_data[HCLGE_TQPS_RSS_INFO_LEN]; struct hclge_dev *hdev = vport->back; /* get the queue related info */ memcpy(&resp_data[0], &vport->alloc_tqps, sizeof(u16)); memcpy(&resp_data[2], &vport->nic.kinfo.rss_size, sizeof(u16)); memcpy(&resp_data[4], &hdev->num_desc, sizeof(u16)); memcpy(&resp_data[6], &hdev->rx_buf_len, sizeof(u16)); return hclge_gen_resp_to_vf(vport, mbx_req, 0, resp_data, HCLGE_TQPS_RSS_INFO_LEN); } static int hclge_get_link_info(struct hclge_vport *vport, struct hclge_mbx_vf_to_pf_cmd *mbx_req) { struct hclge_dev *hdev = vport->back; u16 link_status; u8 msg_data[8]; u8 dest_vfid; u16 duplex; /* mac.link can only be 0 or 1 */ link_status = (u16)hdev->hw.mac.link; duplex = hdev->hw.mac.duplex; memcpy(&msg_data[0], &link_status, sizeof(u16)); memcpy(&msg_data[2], &hdev->hw.mac.speed, sizeof(u32)); memcpy(&msg_data[6], &duplex, sizeof(u16)); dest_vfid = mbx_req->mbx_src_vfid; /* send this requested info to VF */ return hclge_send_mbx_msg(vport, msg_data, sizeof(msg_data), HCLGE_MBX_LINK_STAT_CHANGE, dest_vfid); } static void hclge_mbx_reset_vf_queue(struct hclge_vport *vport, struct hclge_mbx_vf_to_pf_cmd *mbx_req) { u16 queue_id; memcpy(&queue_id, &mbx_req->msg[2], sizeof(queue_id)); hclge_reset_vf_queue(vport, queue_id); /* send response msg to VF after queue reset complete*/ hclge_gen_resp_to_vf(vport, mbx_req, 0, NULL, 0); } static void hclge_reset_vf(struct hclge_vport *vport, struct hclge_mbx_vf_to_pf_cmd *mbx_req) { struct hclge_dev *hdev = vport->back; int ret; dev_warn(&hdev->pdev->dev, "PF received VF reset request from VF %d!", vport->vport_id); ret = hclge_func_reset_cmd(hdev, vport->vport_id); hclge_gen_resp_to_vf(vport, mbx_req, ret, NULL, 0); } static void hclge_vf_keep_alive(struct hclge_vport *vport, struct hclge_mbx_vf_to_pf_cmd *mbx_req) { vport->last_active_jiffies = jiffies; } static int hclge_set_vf_mtu(struct hclge_vport *vport, struct hclge_mbx_vf_to_pf_cmd *mbx_req) { int ret; u32 mtu; memcpy(&mtu, &mbx_req->msg[2], sizeof(mtu)); ret = hclge_set_vport_mtu(vport, mtu); return hclge_gen_resp_to_vf(vport, mbx_req, ret, NULL, 0); } static int hclge_get_queue_id_in_pf(struct hclge_vport *vport, struct hclge_mbx_vf_to_pf_cmd *mbx_req) { u16 queue_id, qid_in_pf; u8 resp_data[2]; memcpy(&queue_id, &mbx_req->msg[2], sizeof(queue_id)); qid_in_pf = hclge_covert_handle_qid_global(&vport->nic, queue_id); memcpy(resp_data, &qid_in_pf, sizeof(qid_in_pf)); return hclge_gen_resp_to_vf(vport, mbx_req, 0, resp_data, 2); } static bool hclge_cmd_crq_empty(struct hclge_hw *hw) { u32 tail = hclge_read_dev(hw, HCLGE_NIC_CRQ_TAIL_REG); return tail == hw->cmq.crq.next_to_use; } void hclge_mbx_handler(struct hclge_dev *hdev) { struct hclge_cmq_ring *crq = &hdev->hw.cmq.crq; struct hclge_mbx_vf_to_pf_cmd *req; struct hclge_vport *vport; struct hclge_desc *desc; int ret, flag; /* handle all the mailbox requests in the queue */ while (!hclge_cmd_crq_empty(&hdev->hw)) { if (test_bit(HCLGE_STATE_CMD_DISABLE, &hdev->state)) { dev_warn(&hdev->pdev->dev, "command queue needs re-initializing\n"); return; } desc = &crq->desc[crq->next_to_use]; req = (struct hclge_mbx_vf_to_pf_cmd *)desc->data; flag = le16_to_cpu(crq->desc[crq->next_to_use].flag); if (unlikely(!hnae3_get_bit(flag, HCLGE_CMDQ_RX_OUTVLD_B))) { dev_warn(&hdev->pdev->dev, "dropped invalid mailbox message, code = %d\n", req->msg[0]); /* dropping/not processing this invalid message */ crq->desc[crq->next_to_use].flag = 0; hclge_mbx_ring_ptr_move_crq(crq); continue; } vport = &hdev->vport[req->mbx_src_vfid]; switch (req->msg[0]) { case HCLGE_MBX_MAP_RING_TO_VECTOR: ret = hclge_map_unmap_ring_to_vf_vector(vport, true, req); break; case HCLGE_MBX_UNMAP_RING_TO_VECTOR: ret = hclge_map_unmap_ring_to_vf_vector(vport, false, req); break; case HCLGE_MBX_SET_PROMISC_MODE: ret = hclge_set_vf_promisc_mode(vport, req); if (ret) dev_err(&hdev->pdev->dev, "PF fail(%d) to set VF promisc mode\n", ret); break; case HCLGE_MBX_SET_UNICAST: ret = hclge_set_vf_uc_mac_addr(vport, req, true); if (ret) dev_err(&hdev->pdev->dev, "PF fail(%d) to set VF UC MAC Addr\n", ret); break; case HCLGE_MBX_SET_MULTICAST: ret = hclge_set_vf_mc_mac_addr(vport, req, false); if (ret) dev_err(&hdev->pdev->dev, "PF fail(%d) to set VF MC MAC Addr\n", ret); break; case HCLGE_MBX_SET_VLAN: ret = hclge_set_vf_vlan_cfg(vport, req, false); if (ret) dev_err(&hdev->pdev->dev, "PF failed(%d) to config VF's VLAN\n", ret); break; case HCLGE_MBX_SET_ALIVE: ret = hclge_set_vf_alive(vport, req, false); if (ret) dev_err(&hdev->pdev->dev, "PF failed(%d) to set VF's ALIVE\n", ret); break; case HCLGE_MBX_GET_QINFO: ret = hclge_get_vf_queue_info(vport, req, true); if (ret) dev_err(&hdev->pdev->dev, "PF failed(%d) to get Q info for VF\n", ret); break; case HCLGE_MBX_GET_TCINFO: ret = hclge_get_vf_tcinfo(vport, req, true); if (ret) dev_err(&hdev->pdev->dev, "PF failed(%d) to get TC info for VF\n", ret); break; case HCLGE_MBX_GET_LINK_STATUS: ret = hclge_get_link_info(vport, req); if (ret) dev_err(&hdev->pdev->dev, "PF fail(%d) to get link stat for VF\n", ret); break; case HCLGE_MBX_QUEUE_RESET: hclge_mbx_reset_vf_queue(vport, req); break; case HCLGE_MBX_RESET: hclge_reset_vf(vport, req); break; case HCLGE_MBX_KEEP_ALIVE: hclge_vf_keep_alive(vport, req); break; case HCLGE_MBX_SET_MTU: ret = hclge_set_vf_mtu(vport, req); if (ret) dev_err(&hdev->pdev->dev, "VF fail(%d) to set mtu\n", ret); break; case HCLGE_MBX_GET_QID_IN_PF: ret = hclge_get_queue_id_in_pf(vport, req); if (ret) dev_err(&hdev->pdev->dev, "PF failed(%d) to get qid for VF\n", ret); break; default: dev_err(&hdev->pdev->dev, "un-supported mailbox message, code = %d\n", req->msg[0]); break; } crq->desc[crq->next_to_use].flag = 0; hclge_mbx_ring_ptr_move_crq(crq); } /* Write back CMDQ_RQ header pointer, M7 need this pointer */ hclge_write_dev(&hdev->hw, HCLGE_NIC_CRQ_HEAD_REG, crq->next_to_use); }
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