tree: https://gitee.com/openeuler/kernel.git OLK-6.6 head: 448a7c1b3e0654d6b6801c216e7c265445a83a2f commit: 6adab536d69347a10c2366aaf6b86de963d5994b [6862/7265] drivers: initial support for rnpvf drivers from Mucse Technology config: loongarch-allmodconfig (https://download.01.org/0day-ci/archive/20240403/202404030557.mZnvUtOv-lkp@i...) compiler: loongarch64-linux-gcc (GCC) 13.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240403/202404030557.mZnvUtOv-lkp@i...) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp@intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202404030557.mZnvUtOv-lkp@intel.com/ All warnings (new ones prefixed by >>): drivers/net/ethernet/mucse/rnpvf/vf.c: In function 'rnpvf_stop_hw_vf': drivers/net/ethernet/mucse/rnpvf/vf.c:256:13: warning: variable 'number_of_queues' set but not used [-Wunused-but-set-variable] 256 | u32 number_of_queues; | ^~~~~~~~~~~~~~~~ drivers/net/ethernet/mucse/rnpvf/vf.c: At top level:

...

drivers/net/ethernet/mucse/rnpvf/vf.c:486:5: warning: no previous prototype for 'rnpvf_addr_list_itr' [-Wmissing-prototypes] 486 | u8 *rnpvf_addr_list_itr(struct rnpvf_hw __maybe_unused *hw, | ^~~~~~~~~~~~~~~~~~~ drivers/net/ethernet/mucse/rnpvf/vf.c:685:5: warning: no previous prototype for 'rnpvf_negotiate_api_version' [-Wmissing-prototypes] 685 | int rnpvf_negotiate_api_version(struct rnpvf_hw *hw, int api) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/net/ethernet/mucse/rnpvf/vf.c:690:5: warning: no previous prototype for 'rnpvf_get_queues' [-Wmissing-prototypes] 690 | int rnpvf_get_queues(struct rnpvf_hw *hw, unsigned int *num_tcs, | ^~~~~~~~~~~~~~~~ drivers/net/ethernet/mucse/rnpvf/vf.c:696:6: warning: no previous prototype for 'rnpvf_set_veb_mac_n10' [-Wmissing-prototypes] 696 | void rnpvf_set_veb_mac_n10(struct rnpvf_hw *hw, u8 *mac, u32 vfnum, | ^~~~~~~~~~~~~~~~~~~~~ drivers/net/ethernet/mucse/rnpvf/vf.c:718:6: warning: no previous prototype for 'rnpvf_set_vlan_n10' [-Wmissing-prototypes] 718 | void rnpvf_set_vlan_n10(struct rnpvf_hw *hw, u16 vid, u32 vf_num) | ^~~~~~~~~~~~~~~~~~ -- drivers/net/ethernet/mucse/rnpvf/ethtool.c:249:6: warning: no previous prototype for 'rnpvf_get_ringparam' [-Wmissing-prototypes] 249 | void rnpvf_get_ringparam(struct net_device *netdev, | ^~~~~~~~~~~~~~~~~~~ drivers/net/ethernet/mucse/rnpvf/ethtool.c: In function 'rnpvf_get_strings': drivers/net/ethernet/mucse/rnpvf/ethtool.c:269:13: warning: variable 'queue_idx' set but not used [-Wunused-but-set-variable] 269 | u16 queue_idx; | ^~~~~~~~~ drivers/net/ethernet/mucse/rnpvf/ethtool.c: At top level: drivers/net/ethernet/mucse/rnpvf/ethtool.c:103:19: warning: 'rnp_gstrings_test' defined but not used [-Wunused-const-variable=] 103 | static const char rnp_gstrings_test[][ETH_GSTRING_LEN] = { | ^~~~~~~~~~~~~~~~~ -- drivers/net/ethernet/mucse/rnpvf/rnpvf_main.c:127:6: warning: no previous prototype for 'rnpvf_unmap_and_free_tx_resource' [-Wmissing-prototypes] 127 | void rnpvf_unmap_and_free_tx_resource(struct rnpvf_ring *ring, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/net/ethernet/mucse/rnpvf/rnpvf_main.c:919:6: warning: no previous prototype for 'rnpvf_alloc_rx_buffers' [-Wmissing-prototypes] 919 | void rnpvf_alloc_rx_buffers(struct rnpvf_ring *rx_ring, u16 cleaned_count) | ^~~~~~~~~~~~~~~~~~~~~~ drivers/net/ethernet/mucse/rnpvf/rnpvf_main.c:1945:6: warning: no previous prototype for 'update_rx_count' [-Wmissing-prototypes] 1945 | void update_rx_count(int cleaned, struct rnpvf_q_vector *q_vector) | ^~~~~~~~~~~~~~~ drivers/net/ethernet/mucse/rnpvf/rnpvf_main.c:2420:6: warning: no previous prototype for 'rnpvf_write_eitr_rx' [-Wmissing-prototypes] 2420 | void rnpvf_write_eitr_rx(struct rnpvf_q_vector *q_vector) | ^~~~~~~~~~~~~~~~~~~ drivers/net/ethernet/mucse/rnpvf/rnpvf_main.c:2523:6: warning: no previous prototype for 'rnpvf_configure_tx_ring' [-Wmissing-prototypes] 2523 | void rnpvf_configure_tx_ring(struct rnpvf_adapter *adapter, | ^~~~~~~~~~~~~~~~~~~~~~~ drivers/net/ethernet/mucse/rnpvf/rnpvf_main.c:2589:6: warning: no previous prototype for 'rnpvf_disable_rx_queue' [-Wmissing-prototypes] 2589 | void rnpvf_disable_rx_queue(struct rnpvf_adapter *adapter, | ^~~~~~~~~~~~~~~~~~~~~~ drivers/net/ethernet/mucse/rnpvf/rnpvf_main.c:2595:6: warning: no previous prototype for 'rnpvf_enable_rx_queue' [-Wmissing-prototypes] 2595 | void rnpvf_enable_rx_queue(struct rnpvf_adapter *adapter, | ^~~~~~~~~~~~~~~~~~~~~ drivers/net/ethernet/mucse/rnpvf/rnpvf_main.c:2601:6: warning: no previous prototype for 'rnpvf_configure_rx_ring' [-Wmissing-prototypes] 2601 | void rnpvf_configure_rx_ring(struct rnpvf_adapter *adapter, | ^~~~~~~~~~~~~~~~~~~~~~~ drivers/net/ethernet/mucse/rnpvf/rnpvf_main.c: In function 'rnpvf_vlan_rx_kill_vid': drivers/net/ethernet/mucse/rnpvf/rnpvf_main.c:2736:13: warning: variable 'err' set but not used [-Wunused-but-set-variable] 2736 | int err = -EOPNOTSUPP; | ^~~ drivers/net/ethernet/mucse/rnpvf/rnpvf_main.c: In function 'rnpvf_acquire_msix_vectors': drivers/net/ethernet/mucse/rnpvf/rnpvf_main.c:3307:13: warning: variable 'vector_threshold' set but not used [-Wunused-but-set-variable] 3307 | int vector_threshold; | ^~~~~~~~~~~~~~~~ drivers/net/ethernet/mucse/rnpvf/rnpvf_main.c: In function 'irq_miss_check': drivers/net/ethernet/mucse/rnpvf/rnpvf_main.c:3456:26: warning: variable 'hw' set but not used [-Wunused-but-set-variable] 3456 | struct rnpvf_hw *hw; | ^~ drivers/net/ethernet/mucse/rnpvf/rnpvf_main.c: At top level: drivers/net/ethernet/mucse/rnpvf/rnpvf_main.c:4590:6: warning: no previous prototype for 'rnpvf_tx_ctxtdesc' [-Wmissing-prototypes] 4590 | void rnpvf_tx_ctxtdesc(struct rnpvf_ring *tx_ring, u16 mss_seg_len, | ^~~~~~~~~~~~~~~~~ drivers/net/ethernet/mucse/rnpvf/rnpvf_main.c:5039:6: warning: no previous prototype for 'rnpvf_maybe_tx_ctxtdesc' [-Wmissing-prototypes] 5039 | void rnpvf_maybe_tx_ctxtdesc(struct rnpvf_ring *tx_ring, | ^~~~~~~~~~~~~~~~~~~~~~~ drivers/net/ethernet/mucse/rnpvf/rnpvf_main.c:5089:13: warning: no previous prototype for 'rnpvf_xmit_frame_ring' [-Wmissing-prototypes] 5089 | netdev_tx_t rnpvf_xmit_frame_ring(struct sk_buff *skb, | ^~~~~~~~~~~~~~~~~~~~~ drivers/net/ethernet/mucse/rnpvf/rnpvf_main.c:5580:6: warning: no previous prototype for 'rnpvf_assign_netdev_ops' [-Wmissing-prototypes] 5580 | void rnpvf_assign_netdev_ops(struct net_device *dev) | ^~~~~~~~~~~~~~~~~~~~~~~ drivers/net/ethernet/mucse/rnpvf/rnpvf_main.c: In function 'rnpvf_request_msix_irqs': drivers/net/ethernet/mucse/rnpvf/rnpvf_main.c:2129:72: warning: '%d' directive output may be truncated writing between 1 and 5 bytes into a region of size between 1 and 16 [-Wformat-truncation=] 2129 | sizeof(q_vector->name) - 1, "%s-%s-%d-%d", | ^~ drivers/net/ethernet/mucse/rnpvf/rnpvf_main.c:2129:62: note: directive argument in the range [0, 65535] 2129 | sizeof(q_vector->name) - 1, "%s-%s-%d-%d", | ^~~~~~~~~~~~~ drivers/net/ethernet/mucse/rnpvf/rnpvf_main.c:2128:25: note: 'snprintf' output between 10 and 29 bytes into a destination of size 24 2128 | snprintf(q_vector->name, | ^~~~~~~~~~~~~~~~~~~~~~~~ 2129 | sizeof(q_vector->name) - 1, "%s-%s-%d-%d", | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 2130 | netdev->name, "TxRx", i, q_vector->v_idx); | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

vim +/rnpvf_addr_list_itr +486 drivers/net/ethernet/mucse/rnpvf/vf.c 485

486 u8 *rnpvf_addr_list_itr(struct rnpvf_hw __maybe_unused *hw, 487 u8 **mc_addr_ptr) 488 { 489 struct netdev_hw_addr *mc_ptr; 490 u8 *addr = *mc_addr_ptr; 491 492 mc_ptr = container_of(addr, struct netdev_hw_addr, addr[0]); 493 if (mc_ptr->list.next) { 494 struct netdev_hw_addr *ha; 495 496 ha = list_entry(mc_ptr->list.next, struct netdev_hw_addr, 497 list); 498 *mc_addr_ptr = ha->addr; 499 } else { 500 *mc_addr_ptr = NULL; 501 } 502 503 return addr; 504 } 505 506 /** 507 * rnpvf_update_mc_addr_list_vf - Update Multicast addresses 508 * @hw: pointer to the HW structure 509 * @netdev: pointer to net device structure 510 * 511 * Updates the Multicast Table Array. 512 **/ 513 static s32 rnpvf_update_mc_addr_list_vf(struct rnpvf_hw *hw, 514 struct net_device *netdev) 515 { 516 struct netdev_hw_addr *ha; 517 u32 msgbuf[RNP_VFMAILBOX_SIZE]; 518 u16 *vector_list = (u16 *)&msgbuf[1]; 519 u32 cnt, i; 520 int addr_count = 0; 521 u8 *addr_list = NULL; 522 523 /* Each entry in the list uses 1 16 bit word. We have 30 524 * 16 bit words available in our HW msg buffer (minus 1 for the 525 * msg type). That's 30 hash values if we pack 'em right. If 526 * there are more than 30 MC addresses to add then punt the 527 * extras for now and then add code to handle more than 30 later. 528 * It would be unusual for a server to request that many multi-cast 529 * addresses except for in large enterprise network environments. 530 */ 531 532 cnt = netdev_mc_count(netdev); 533 if (cnt > 30) 534 cnt = 30; 535 msgbuf[0] = RNP_VF_SET_MULTICAST; 536 msgbuf[0] |= cnt << RNP_VT_MSGINFO_SHIFT; 537 538 addr_count = netdev_mc_count(netdev); 539 540 ha = list_first_entry(&netdev->mc.list, struct netdev_hw_addr, 541 list); 542 addr_list = ha->addr; 543 for (i = 0; i < addr_count; i++) { 544 vector_list[i] = rnpvf_mta_vector(hw, 545 rnpvf_addr_list_itr(hw, &addr_list)); 546 } 547 548 rnpvf_write_msg_read_ack(hw, msgbuf, RNP_VFMAILBOX_SIZE); 549 550 return 0; 551 } 552 553 /** 554 * rnpvf_set_vfta_vf - Set/Unset vlan filter table address 555 * @hw: pointer to the HW structure 556 * @vlan: 12 bit VLAN ID 557 * @vind: unused by VF drivers 558 * @vlan_on: if true then set bit, else clear bit 559 **/ 560 static s32 rnpvf_set_vfta_vf(struct rnpvf_hw *hw, u32 vlan, u32 vind, 561 bool vlan_on) 562 { 563 struct rnp_mbx_info *mbx = &hw->mbx; 564 u32 msgbuf[2]; 565 s32 err; 566 567 msgbuf[0] = RNP_VF_SET_VLAN; 568 msgbuf[1] = vlan; 569 /* Setting the 8 bit field MSG INFO to TRUE indicates "add" */ 570 msgbuf[0] |= vlan_on << RNP_VT_MSGINFO_SHIFT; 571 572 err = mbx->ops.write_posted(hw, msgbuf, 2, false); 573 if (err) 574 goto mbx_err; 575 576 err = mbx->ops.read_posted(hw, msgbuf, 2, false); 577 if (err) 578 goto mbx_err; 579 580 /* remove extra bits from the message */ 581 msgbuf[0] &= ~RNP_VT_MSGTYPE_CTS; 582 msgbuf[0] &= ~(0xFF << RNP_VT_MSGINFO_SHIFT); 583 584 if (msgbuf[0] != (RNP_VF_SET_VLAN | RNP_VT_MSGTYPE_ACK)) 585 err = RNP_ERR_INVALID_ARGUMENT; 586 587 mbx_err: 588 return err; 589 } 590 591 static s32 rnpvf_set_vlan_strip(struct rnpvf_hw *hw, bool vlan_on) 592 { 593 struct rnp_mbx_info *mbx = &hw->mbx; 594 struct rnpvf_adapter *adapter = (struct rnpvf_adapter *)hw->back; 595 u32 msgbuf[4]; 596 s32 err; 597 int i; 598 599 if (adapter->num_rx_queues > 2) { 600 err = -EINVAL; 601 goto mbx_err; 602 } 603 604 msgbuf[0] = RNP_VF_SET_VLAN_STRIP; 605 msgbuf[1] = (vlan_on << 31) | adapter->num_rx_queues; 606 607 for (i = 0; i < adapter->num_rx_queues; i++) 608 msgbuf[2 + i] = adapter->rx_ring[i]->rnpvf_queue_idx; 609 610 err = mbx->ops.write_posted(hw, msgbuf, 2 + adapter->num_rx_queues, 611 false); 612 if (err) 613 goto mbx_err; 614 615 err = mbx->ops.read_posted(hw, msgbuf, 1, false); 616 if (err) 617 goto mbx_err; 618 619 /* remove extra bits from the message */ 620 msgbuf[0] &= ~RNP_VT_MSGTYPE_CTS; 621 msgbuf[0] &= ~(0xFF << RNP_VT_MSGINFO_SHIFT); 622 623 if (msgbuf[0] != (RNP_VF_SET_VLAN_STRIP | RNP_VT_MSGTYPE_ACK)) 624 err = RNP_ERR_INVALID_ARGUMENT; 625 626 mbx_err: 627 return err; 628 } 629 630 /** 631 * rnpvf_setup_mac_link_vf - Setup MAC link settings 632 * @hw: pointer to hardware structure 633 * @speed: Unused in this implementation 634 * @autoneg: Unused in this implementation 635 * @autoneg_wait_to_complete: Unused in this implementation 636 * 637 * Do nothing and return success. VF drivers are not allowed to change 638 * global settings. Maintained for driver compatibility. 639 **/ 640 static s32 rnpvf_setup_mac_link_vf(struct rnpvf_hw *hw, 641 rnp_link_speed speed, bool autoneg, 642 bool autoneg_wait_to_complete) 643 { 644 return 0; 645 } 646 647 /** 648 * rnpvf_check_mac_link_vf - Get link/speed status 649 * @hw: pointer to hardware structure 650 * @speed: pointer to link speed 651 * @link_up: true is link is up, false otherwise 652 * @autoneg_wait_to_complete: true when waiting for completion is needed 653 * 654 * Reads the links register to determine if link is up and the current speed 655 **/ 656 static s32 rnpvf_check_mac_link_vf(struct rnpvf_hw *hw, 657 rnp_link_speed *speed, bool *link_up, 658 bool autoneg_wait_to_complete) 659 { 660 *speed = hw->speed; 661 *link_up = hw->link; 662 663 return 0; 664 } 665 666 /** 667 * rnpvf_rlpml_set_vf - Set the maximum receive packet length 668 * @hw: pointer to the HW structure 669 * @max_size: value to assign to max frame size 670 **/ 671 void rnpvf_rlpml_set_vf(struct rnpvf_hw *hw, u16 max_size) 672 { 673 u32 msgbuf[2]; 674 675 msgbuf[0] = RNP_VF_SET_LPE; 676 msgbuf[1] = max_size; 677 rnpvf_write_msg_read_ack(hw, msgbuf, 2); 678 } 679 680 /** 681 * rnpvf_negotiate_api_version - Negotiate supported API version 682 * @hw: pointer to the HW structure 683 * @api: integer containing requested API version 684 **/ 685 int rnpvf_negotiate_api_version(struct rnpvf_hw *hw, int api) 686 { 687 return 0; 688 } 689

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