| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Anirudh Venkataramanan | 7119 | 43.35% | 12 | 16.22% |
| Chinh Cao | 2378 | 14.48% | 1 | 1.35% |
| Brett Creeley | 1395 | 8.49% | 13 | 17.57% |
| Paul Greenwalt | 1180 | 7.18% | 5 | 6.76% |
| Md Fahad Iqbal Polash | 956 | 5.82% | 1 | 1.35% |
| Henry Tieman | 929 | 5.66% | 4 | 5.41% |
| Scott W Taylor | 661 | 4.02% | 1 | 1.35% |
| Bruce W Allan | 593 | 3.61% | 8 | 10.81% |
| Maciej Fijalkowski | 314 | 1.91% | 3 | 4.05% |
| Tony Nguyen | 253 | 1.54% | 4 | 5.41% |
| Dave Ertman | 162 | 0.99% | 5 | 6.76% |
| Richard Rodriguez | 96 | 0.58% | 1 | 1.35% |
| Jacob E Keller | 91 | 0.55% | 2 | 2.70% |
| Jesse Brandeburg | 87 | 0.53% | 6 | 8.11% |
| Lukasz Czapnik | 80 | 0.49% | 1 | 1.35% |
| Lihong Yang | 57 | 0.35% | 1 | 1.35% |
| Usha Ketineni | 32 | 0.19% | 1 | 1.35% |
| Krzysztof Kazimierczak | 12 | 0.07% | 1 | 1.35% |
| Michal Swiatkowski | 11 | 0.07% | 1 | 1.35% |
| Jakub Kiciński | 9 | 0.05% | 1 | 1.35% |
| Karol Kolacinski | 7 | 0.04% | 1 | 1.35% |
| Pankaj Bharadiya | 2 | 0.01% | 1 | 1.35% |
| Total | 16424 | 74 |
// SPDX-License-Identifier: GPL-2.0 /* Copyright (c) 2018, Intel Corporation. */ /* ethtool support for ice */ #include "ice.h" #include "ice_flow.h" #include "ice_fltr.h" #include "ice_lib.h" #include "ice_dcb_lib.h" struct ice_stats { char stat_string[ETH_GSTRING_LEN]; int sizeof_stat; int stat_offset; }; #define ICE_STAT(_type, _name, _stat) { \ .stat_string = _name, \ .sizeof_stat = sizeof_field(_type, _stat), \ .stat_offset = offsetof(_type, _stat) \ } #define ICE_VSI_STAT(_name, _stat) \ ICE_STAT(struct ice_vsi, _name, _stat) #define ICE_PF_STAT(_name, _stat) \ ICE_STAT(struct ice_pf, _name, _stat) static int ice_q_stats_len(struct net_device *netdev) { struct ice_netdev_priv *np = netdev_priv(netdev); return ((np->vsi->alloc_txq + np->vsi->alloc_rxq) * (sizeof(struct ice_q_stats) / sizeof(u64))); } #define ICE_PF_STATS_LEN ARRAY_SIZE(ice_gstrings_pf_stats) #define ICE_VSI_STATS_LEN ARRAY_SIZE(ice_gstrings_vsi_stats) #define ICE_PFC_STATS_LEN ( \ (sizeof_field(struct ice_pf, stats.priority_xoff_rx) + \ sizeof_field(struct ice_pf, stats.priority_xon_rx) + \ sizeof_field(struct ice_pf, stats.priority_xoff_tx) + \ sizeof_field(struct ice_pf, stats.priority_xon_tx)) \ / sizeof(u64)) #define ICE_ALL_STATS_LEN(n) (ICE_PF_STATS_LEN + ICE_PFC_STATS_LEN + \ ICE_VSI_STATS_LEN + ice_q_stats_len(n)) static const struct ice_stats ice_gstrings_vsi_stats[] = { ICE_VSI_STAT("rx_unicast", eth_stats.rx_unicast), ICE_VSI_STAT("tx_unicast", eth_stats.tx_unicast), ICE_VSI_STAT("rx_multicast", eth_stats.rx_multicast), ICE_VSI_STAT("tx_multicast", eth_stats.tx_multicast), ICE_VSI_STAT("rx_broadcast", eth_stats.rx_broadcast), ICE_VSI_STAT("tx_broadcast", eth_stats.tx_broadcast), ICE_VSI_STAT("rx_bytes", eth_stats.rx_bytes), ICE_VSI_STAT("tx_bytes", eth_stats.tx_bytes), ICE_VSI_STAT("rx_dropped", eth_stats.rx_discards), ICE_VSI_STAT("rx_unknown_protocol", eth_stats.rx_unknown_protocol), ICE_VSI_STAT("rx_alloc_fail", rx_buf_failed), ICE_VSI_STAT("rx_pg_alloc_fail", rx_page_failed), ICE_VSI_STAT("tx_errors", eth_stats.tx_errors), ICE_VSI_STAT("tx_linearize", tx_linearize), }; enum ice_ethtool_test_id { ICE_ETH_TEST_REG = 0, ICE_ETH_TEST_EEPROM, ICE_ETH_TEST_INTR, ICE_ETH_TEST_LOOP, ICE_ETH_TEST_LINK, }; static const char ice_gstrings_test[][ETH_GSTRING_LEN] = { "Register test (offline)", "EEPROM test (offline)", "Interrupt test (offline)", "Loopback test (offline)", "Link test (on/offline)", }; #define ICE_TEST_LEN (sizeof(ice_gstrings_test) / ETH_GSTRING_LEN) /* These PF_STATs might look like duplicates of some NETDEV_STATs, * but they aren't. This device is capable of supporting multiple * VSIs/netdevs on a single PF. The NETDEV_STATs are for individual * netdevs whereas the PF_STATs are for the physical function that's * hosting these netdevs. * * The PF_STATs are appended to the netdev stats only when ethtool -S * is queried on the base PF netdev. */ static const struct ice_stats ice_gstrings_pf_stats[] = { ICE_PF_STAT("rx_bytes.nic", stats.eth.rx_bytes), ICE_PF_STAT("tx_bytes.nic", stats.eth.tx_bytes), ICE_PF_STAT("rx_unicast.nic", stats.eth.rx_unicast), ICE_PF_STAT("tx_unicast.nic", stats.eth.tx_unicast), ICE_PF_STAT("rx_multicast.nic", stats.eth.rx_multicast), ICE_PF_STAT("tx_multicast.nic", stats.eth.tx_multicast), ICE_PF_STAT("rx_broadcast.nic", stats.eth.rx_broadcast), ICE_PF_STAT("tx_broadcast.nic", stats.eth.tx_broadcast), ICE_PF_STAT("tx_errors.nic", stats.eth.tx_errors), ICE_PF_STAT("rx_size_64.nic", stats.rx_size_64), ICE_PF_STAT("tx_size_64.nic", stats.tx_size_64), ICE_PF_STAT("rx_size_127.nic", stats.rx_size_127), ICE_PF_STAT("tx_size_127.nic", stats.tx_size_127), ICE_PF_STAT("rx_size_255.nic", stats.rx_size_255), ICE_PF_STAT("tx_size_255.nic", stats.tx_size_255), ICE_PF_STAT("rx_size_511.nic", stats.rx_size_511), ICE_PF_STAT("tx_size_511.nic", stats.tx_size_511), ICE_PF_STAT("rx_size_1023.nic", stats.rx_size_1023), ICE_PF_STAT("tx_size_1023.nic", stats.tx_size_1023), ICE_PF_STAT("rx_size_1522.nic", stats.rx_size_1522), ICE_PF_STAT("tx_size_1522.nic", stats.tx_size_1522), ICE_PF_STAT("rx_size_big.nic", stats.rx_size_big), ICE_PF_STAT("tx_size_big.nic", stats.tx_size_big), ICE_PF_STAT("link_xon_rx.nic", stats.link_xon_rx), ICE_PF_STAT("link_xon_tx.nic", stats.link_xon_tx), ICE_PF_STAT("link_xoff_rx.nic", stats.link_xoff_rx), ICE_PF_STAT("link_xoff_tx.nic", stats.link_xoff_tx), ICE_PF_STAT("tx_dropped_link_down.nic", stats.tx_dropped_link_down), ICE_PF_STAT("rx_undersize.nic", stats.rx_undersize), ICE_PF_STAT("rx_fragments.nic", stats.rx_fragments), ICE_PF_STAT("rx_oversize.nic", stats.rx_oversize), ICE_PF_STAT("rx_jabber.nic", stats.rx_jabber), ICE_PF_STAT("rx_csum_bad.nic", hw_csum_rx_error), ICE_PF_STAT("rx_length_errors.nic", stats.rx_len_errors), ICE_PF_STAT("rx_dropped.nic", stats.eth.rx_discards), ICE_PF_STAT("rx_crc_errors.nic", stats.crc_errors), ICE_PF_STAT("illegal_bytes.nic", stats.illegal_bytes), ICE_PF_STAT("mac_local_faults.nic", stats.mac_local_faults), ICE_PF_STAT("mac_remote_faults.nic", stats.mac_remote_faults), ICE_PF_STAT("fdir_sb_match.nic", stats.fd_sb_match), ICE_PF_STAT("fdir_sb_status.nic", stats.fd_sb_status), }; static const u32 ice_regs_dump_list[] = { PFGEN_STATE, PRTGEN_STATUS, QRX_CTRL(0), QINT_TQCTL(0), QINT_RQCTL(0), PFINT_OICR_ENA, QRX_ITR(0), }; struct ice_priv_flag { char name[ETH_GSTRING_LEN]; u32 bitno; /* bit position in pf->flags */ }; #define ICE_PRIV_FLAG(_name, _bitno) { \ .name = _name, \ .bitno = _bitno, \ } static const struct ice_priv_flag ice_gstrings_priv_flags[] = { ICE_PRIV_FLAG("link-down-on-close", ICE_FLAG_LINK_DOWN_ON_CLOSE_ENA), ICE_PRIV_FLAG("fw-lldp-agent", ICE_FLAG_FW_LLDP_AGENT), ICE_PRIV_FLAG("vf-true-promisc-support", ICE_FLAG_VF_TRUE_PROMISC_ENA), ICE_PRIV_FLAG("mdd-auto-reset-vf", ICE_FLAG_MDD_AUTO_RESET_VF), ICE_PRIV_FLAG("legacy-rx", ICE_FLAG_LEGACY_RX), }; #define ICE_PRIV_FLAG_ARRAY_SIZE ARRAY_SIZE(ice_gstrings_priv_flags) static void ice_get_drvinfo(struct net_device *netdev, struct ethtool_drvinfo *drvinfo) { struct ice_netdev_priv *np = netdev_priv(netdev); struct ice_vsi *vsi = np->vsi; struct ice_pf *pf = vsi->back; struct ice_hw *hw = &pf->hw; struct ice_orom_info *orom; struct ice_nvm_info *nvm; nvm = &hw->nvm; orom = &nvm->orom; strscpy(drvinfo->driver, KBUILD_MODNAME, sizeof(drvinfo->driver)); strscpy(drvinfo->version, ice_drv_ver, sizeof(drvinfo->version)); /* Display NVM version (from which the firmware version can be * determined) which contains more pertinent information. */ snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version), "%x.%02x 0x%x %d.%d.%d", nvm->major_ver, nvm->minor_ver, nvm->eetrack, orom->major, orom->build, orom->patch); strscpy(drvinfo->bus_info, pci_name(pf->pdev), sizeof(drvinfo->bus_info)); drvinfo->n_priv_flags = ICE_PRIV_FLAG_ARRAY_SIZE; } static int ice_get_regs_len(struct net_device __always_unused *netdev) { return sizeof(ice_regs_dump_list); } static void ice_get_regs(struct net_device *netdev, struct ethtool_regs *regs, void *p) { struct ice_netdev_priv *np = netdev_priv(netdev); struct ice_pf *pf = np->vsi->back; struct ice_hw *hw = &pf->hw; u32 *regs_buf = (u32 *)p; unsigned int i; regs->version = 1; for (i = 0; i < ARRAY_SIZE(ice_regs_dump_list); ++i) regs_buf[i] = rd32(hw, ice_regs_dump_list[i]); } static u32 ice_get_msglevel(struct net_device *netdev) { struct ice_netdev_priv *np = netdev_priv(netdev); struct ice_pf *pf = np->vsi->back; #ifndef CONFIG_DYNAMIC_DEBUG if (pf->hw.debug_mask) netdev_info(netdev, "hw debug_mask: 0x%llX\n", pf->hw.debug_mask); #endif /* !CONFIG_DYNAMIC_DEBUG */ return pf->msg_enable; } static void ice_set_msglevel(struct net_device *netdev, u32 data) { struct ice_netdev_priv *np = netdev_priv(netdev); struct ice_pf *pf = np->vsi->back; #ifndef CONFIG_DYNAMIC_DEBUG if (ICE_DBG_USER & data) pf->hw.debug_mask = data; else pf->msg_enable = data; #else pf->msg_enable = data; #endif /* !CONFIG_DYNAMIC_DEBUG */ } static int ice_get_eeprom_len(struct net_device *netdev) { struct ice_netdev_priv *np = netdev_priv(netdev); struct ice_pf *pf = np->vsi->back; return (int)pf->hw.nvm.flash_size; } static int ice_get_eeprom(struct net_device *netdev, struct ethtool_eeprom *eeprom, u8 *bytes) { struct ice_netdev_priv *np = netdev_priv(netdev); struct ice_vsi *vsi = np->vsi; struct ice_pf *pf = vsi->back; struct ice_hw *hw = &pf->hw; enum ice_status status; struct device *dev; int ret = 0; u8 *buf; dev = ice_pf_to_dev(pf); eeprom->magic = hw->vendor_id | (hw->device_id << 16); netdev_dbg(netdev, "GEEPROM cmd 0x%08x, offset 0x%08x, len 0x%08x\n", eeprom->cmd, eeprom->offset, eeprom->len); buf = kzalloc(eeprom->len, GFP_KERNEL); if (!buf) return -ENOMEM; status = ice_acquire_nvm(hw, ICE_RES_READ); if (status) { dev_err(dev, "ice_acquire_nvm failed, err %s aq_err %s\n", ice_stat_str(status), ice_aq_str(hw->adminq.sq_last_status)); ret = -EIO; goto out; } status = ice_read_flat_nvm(hw, eeprom->offset, &eeprom->len, buf, false); if (status) { dev_err(dev, "ice_read_flat_nvm failed, err %s aq_err %s\n", ice_stat_str(status), ice_aq_str(hw->adminq.sq_last_status)); ret = -EIO; goto release; } memcpy(bytes, buf, eeprom->len); release: ice_release_nvm(hw); out: kfree(buf); return ret; } /** * ice_active_vfs - check if there are any active VFs * @pf: board private structure * * Returns true if an active VF is found, otherwise returns false */ static bool ice_active_vfs(struct ice_pf *pf) { unsigned int i; ice_for_each_vf(pf, i) { struct ice_vf *vf = &pf->vf[i]; if (test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states)) return true; } return false; } /** * ice_link_test - perform a link test on a given net_device * @netdev: network interface device structure * * This function performs one of the self-tests required by ethtool. * Returns 0 on success, non-zero on failure. */ static u64 ice_link_test(struct net_device *netdev) { struct ice_netdev_priv *np = netdev_priv(netdev); enum ice_status status; bool link_up = false; netdev_info(netdev, "link test\n"); status = ice_get_link_status(np->vsi->port_info, &link_up); if (status) { netdev_err(netdev, "link query error, status = %s\n", ice_stat_str(status)); return 1; } if (!link_up) return 2; return 0; } /** * ice_eeprom_test - perform an EEPROM test on a given net_device * @netdev: network interface device structure * * This function performs one of the self-tests required by ethtool. * Returns 0 on success, non-zero on failure. */ static u64 ice_eeprom_test(struct net_device *netdev) { struct ice_netdev_priv *np = netdev_priv(netdev); struct ice_pf *pf = np->vsi->back; netdev_info(netdev, "EEPROM test\n"); return !!(ice_nvm_validate_checksum(&pf->hw)); } /** * ice_reg_pattern_test * @hw: pointer to the HW struct * @reg: reg to be tested * @mask: bits to be touched */ static int ice_reg_pattern_test(struct ice_hw *hw, u32 reg, u32 mask) { struct ice_pf *pf = (struct ice_pf *)hw->back; struct device *dev = ice_pf_to_dev(pf); static const u32 patterns[] = { 0x5A5A5A5A, 0xA5A5A5A5, 0x00000000, 0xFFFFFFFF }; u32 val, orig_val; unsigned int i; orig_val = rd32(hw, reg); for (i = 0; i < ARRAY_SIZE(patterns); ++i) { u32 pattern = patterns[i] & mask; wr32(hw, reg, pattern); val = rd32(hw, reg); if (val == pattern) continue; dev_err(dev, "%s: reg pattern test failed - reg 0x%08x pat 0x%08x val 0x%08x\n" , __func__, reg, pattern, val); return 1; } wr32(hw, reg, orig_val); val = rd32(hw, reg); if (val != orig_val) { dev_err(dev, "%s: reg restore test failed - reg 0x%08x orig 0x%08x val 0x%08x\n" , __func__, reg, orig_val, val); return 1; } return 0; } /** * ice_reg_test - perform a register test on a given net_device * @netdev: network interface device structure * * This function performs one of the self-tests required by ethtool. * Returns 0 on success, non-zero on failure. */ static u64 ice_reg_test(struct net_device *netdev) { struct ice_netdev_priv *np = netdev_priv(netdev); struct ice_hw *hw = np->vsi->port_info->hw; u32 int_elements = hw->func_caps.common_cap.num_msix_vectors ? hw->func_caps.common_cap.num_msix_vectors - 1 : 1; struct ice_diag_reg_test_info { u32 address; u32 mask; u32 elem_num; u32 elem_size; } ice_reg_list[] = { {GLINT_ITR(0, 0), 0x00000fff, int_elements, GLINT_ITR(0, 1) - GLINT_ITR(0, 0)}, {GLINT_ITR(1, 0), 0x00000fff, int_elements, GLINT_ITR(1, 1) - GLINT_ITR(1, 0)}, {GLINT_ITR(0, 0), 0x00000fff, int_elements, GLINT_ITR(2, 1) - GLINT_ITR(2, 0)}, {GLINT_CTL, 0xffff0001, 1, 0} }; unsigned int i; netdev_dbg(netdev, "Register test\n"); for (i = 0; i < ARRAY_SIZE(ice_reg_list); ++i) { u32 j; for (j = 0; j < ice_reg_list[i].elem_num; ++j) { u32 mask = ice_reg_list[i].mask; u32 reg = ice_reg_list[i].address + (j * ice_reg_list[i].elem_size); /* bail on failure (non-zero return) */ if (ice_reg_pattern_test(hw, reg, mask)) return 1; } } return 0; } /** * ice_lbtest_prepare_rings - configure Tx/Rx test rings * @vsi: pointer to the VSI structure * * Function configures rings of a VSI for loopback test without * enabling interrupts or informing the kernel about new queues. * * Returns 0 on success, negative on failure. */ static int ice_lbtest_prepare_rings(struct ice_vsi *vsi) { int status; status = ice_vsi_setup_tx_rings(vsi); if (status) goto err_setup_tx_ring; status = ice_vsi_setup_rx_rings(vsi); if (status) goto err_setup_rx_ring; status = ice_vsi_cfg(vsi); if (status) goto err_setup_rx_ring; status = ice_vsi_start_all_rx_rings(vsi); if (status) goto err_start_rx_ring; return status; err_start_rx_ring: ice_vsi_free_rx_rings(vsi); err_setup_rx_ring: ice_vsi_stop_lan_tx_rings(vsi, ICE_NO_RESET, 0); err_setup_tx_ring: ice_vsi_free_tx_rings(vsi); return status; } /** * ice_lbtest_disable_rings - disable Tx/Rx test rings after loopback test * @vsi: pointer to the VSI structure * * Function stops and frees VSI rings after a loopback test. * Returns 0 on success, negative on failure. */ static int ice_lbtest_disable_rings(struct ice_vsi *vsi) { int status; status = ice_vsi_stop_lan_tx_rings(vsi, ICE_NO_RESET, 0); if (status) netdev_err(vsi->netdev, "Failed to stop Tx rings, VSI %d error %d\n", vsi->vsi_num, status); status = ice_vsi_stop_all_rx_rings(vsi); if (status) netdev_err(vsi->netdev, "Failed to stop Rx rings, VSI %d error %d\n", vsi->vsi_num, status); ice_vsi_free_tx_rings(vsi); ice_vsi_free_rx_rings(vsi); return status; } /** * ice_lbtest_create_frame - create test packet * @pf: pointer to the PF structure * @ret_data: allocated frame buffer * @size: size of the packet data * * Function allocates a frame with a test pattern on specific offsets. * Returns 0 on success, non-zero on failure. */ static int ice_lbtest_create_frame(struct ice_pf *pf, u8 **ret_data, u16 size) { u8 *data; if (!pf) return -EINVAL; data = devm_kzalloc(ice_pf_to_dev(pf), size, GFP_KERNEL); if (!data) return -ENOMEM; /* Since the ethernet test frame should always be at least * 64 bytes long, fill some octets in the payload with test data. */ memset(data, 0xFF, size); data[32] = 0xDE; data[42] = 0xAD; data[44] = 0xBE; data[46] = 0xEF; *ret_data = data; return 0; } /** * ice_lbtest_check_frame - verify received loopback frame * @frame: pointer to the raw packet data * * Function verifies received test frame with a pattern. * Returns true if frame matches the pattern, false otherwise. */ static bool ice_lbtest_check_frame(u8 *frame) { /* Validate bytes of a frame under offsets chosen earlier */ if (frame[32] == 0xDE && frame[42] == 0xAD && frame[44] == 0xBE && frame[46] == 0xEF && frame[48] == 0xFF) return true; return false; } /** * ice_diag_send - send test frames to the test ring * @tx_ring: pointer to the transmit ring * @data: pointer to the raw packet data * @size: size of the packet to send * * Function sends loopback packets on a test Tx ring. */ static int ice_diag_send(struct ice_ring *tx_ring, u8 *data, u16 size) { struct ice_tx_desc *tx_desc; struct ice_tx_buf *tx_buf; dma_addr_t dma; u64 td_cmd; tx_desc = ICE_TX_DESC(tx_ring, tx_ring->next_to_use); tx_buf = &tx_ring->tx_buf[tx_ring->next_to_use]; dma = dma_map_single(tx_ring->dev, data, size, DMA_TO_DEVICE); if (dma_mapping_error(tx_ring->dev, dma)) return -EINVAL; tx_desc->buf_addr = cpu_to_le64(dma); /* These flags are required for a descriptor to be pushed out */ td_cmd = (u64)(ICE_TX_DESC_CMD_EOP | ICE_TX_DESC_CMD_RS); tx_desc->cmd_type_offset_bsz = cpu_to_le64(ICE_TX_DESC_DTYPE_DATA | (td_cmd << ICE_TXD_QW1_CMD_S) | ((u64)0 << ICE_TXD_QW1_OFFSET_S) | ((u64)size << ICE_TXD_QW1_TX_BUF_SZ_S) | ((u64)0 << ICE_TXD_QW1_L2TAG1_S)); tx_buf->next_to_watch = tx_desc; /* Force memory write to complete before letting h/w know * there are new descriptors to fetch. */ wmb(); tx_ring->next_to_use++; if (tx_ring->next_to_use >= tx_ring->count) tx_ring->next_to_use = 0; writel_relaxed(tx_ring->next_to_use, tx_ring->tail); /* Wait until the packets get transmitted to the receive queue. */ usleep_range(1000, 2000); dma_unmap_single(tx_ring->dev, dma, size, DMA_TO_DEVICE); return 0; } #define ICE_LB_FRAME_SIZE 64 /** * ice_lbtest_receive_frames - receive and verify test frames * @rx_ring: pointer to the receive ring * * Function receives loopback packets and verify their correctness. * Returns number of received valid frames. */ static int ice_lbtest_receive_frames(struct ice_ring *rx_ring) { struct ice_rx_buf *rx_buf; int valid_frames, i; u8 *received_buf; valid_frames = 0; for (i = 0; i < rx_ring->count; i++) { union ice_32b_rx_flex_desc *rx_desc; rx_desc = ICE_RX_DESC(rx_ring, i); if (!(rx_desc->wb.status_error0 & cpu_to_le16(ICE_TX_DESC_CMD_EOP | ICE_TX_DESC_CMD_RS))) continue; rx_buf = &rx_ring->rx_buf[i]; received_buf = page_address(rx_buf->page) + rx_buf->page_offset; if (ice_lbtest_check_frame(received_buf)) valid_frames++; } return valid_frames; } /** * ice_loopback_test - perform a loopback test on a given net_device * @netdev: network interface device structure * * This function performs one of the self-tests required by ethtool. * Returns 0 on success, non-zero on failure. */ static u64 ice_loopback_test(struct net_device *netdev) { struct ice_netdev_priv *np = netdev_priv(netdev); struct ice_vsi *orig_vsi = np->vsi, *test_vsi; struct ice_pf *pf = orig_vsi->back; struct ice_ring *tx_ring, *rx_ring; u8 broadcast[ETH_ALEN], ret = 0; int num_frames, valid_frames; struct device *dev; u8 *tx_frame; int i; dev = ice_pf_to_dev(pf); netdev_info(netdev, "loopback test\n"); test_vsi = ice_lb_vsi_setup(pf, pf->hw.port_info); if (!test_vsi) { netdev_err(netdev, "Failed to create a VSI for the loopback test\n"); return 1; } test_vsi->netdev = netdev; tx_ring = test_vsi->tx_rings[0]; rx_ring = test_vsi->rx_rings[0]; if (ice_lbtest_prepare_rings(test_vsi)) { ret = 2; goto lbtest_vsi_close; } if (ice_alloc_rx_bufs(rx_ring, rx_ring->count)) { ret = 3; goto lbtest_rings_dis; } /* Enable MAC loopback in firmware */ if (ice_aq_set_mac_loopback(&pf->hw, true, NULL)) { ret = 4; goto lbtest_mac_dis; } /* Test VSI needs to receive broadcast packets */ eth_broadcast_addr(broadcast); if (ice_fltr_add_mac(test_vsi, broadcast, ICE_FWD_TO_VSI)) { ret = 5; goto lbtest_mac_dis; } if (ice_lbtest_create_frame(pf, &tx_frame, ICE_LB_FRAME_SIZE)) { ret = 7; goto remove_mac_filters; } num_frames = min_t(int, tx_ring->count, 32); for (i = 0; i < num_frames; i++) { if (ice_diag_send(tx_ring, tx_frame, ICE_LB_FRAME_SIZE)) { ret = 8; goto lbtest_free_frame; } } valid_frames = ice_lbtest_receive_frames(rx_ring); if (!valid_frames) ret = 9; else if (valid_frames != num_frames) ret = 10; lbtest_free_frame: devm_kfree(dev, tx_frame); remove_mac_filters: if (ice_fltr_remove_mac(test_vsi, broadcast, ICE_FWD_TO_VSI)) netdev_err(netdev, "Could not remove MAC filter for the test VSI\n"); lbtest_mac_dis: /* Disable MAC loopback after the test is completed. */ if (ice_aq_set_mac_loopback(&pf->hw, false, NULL)) netdev_err(netdev, "Could not disable MAC loopback\n"); lbtest_rings_dis: if (ice_lbtest_disable_rings(test_vsi)) netdev_err(netdev, "Could not disable test rings\n"); lbtest_vsi_close: test_vsi->netdev = NULL; if (ice_vsi_release(test_vsi)) netdev_err(netdev, "Failed to remove the test VSI\n"); return ret; } /** * ice_intr_test - perform an interrupt test on a given net_device * @netdev: network interface device structure * * This function performs one of the self-tests required by ethtool. * Returns 0 on success, non-zero on failure. */ static u64 ice_intr_test(struct net_device *netdev) { struct ice_netdev_priv *np = netdev_priv(netdev); struct ice_pf *pf = np->vsi->back; u16 swic_old = pf->sw_int_count; netdev_info(netdev, "interrupt test\n"); wr32(&pf->hw, GLINT_DYN_CTL(pf->oicr_idx), GLINT_DYN_CTL_SW_ITR_INDX_M | GLINT_DYN_CTL_INTENA_MSK_M | GLINT_DYN_CTL_SWINT_TRIG_M); usleep_range(1000, 2000); return (swic_old == pf->sw_int_count); } /** * ice_self_test - handler function for performing a self-test by ethtool * @netdev: network interface device structure * @eth_test: ethtool_test structure * @data: required by ethtool.self_test * * This function is called after invoking 'ethtool -t devname' command where * devname is the name of the network device on which ethtool should operate. * It performs a set of self-tests to check if a device works properly. */ static void ice_self_test(struct net_device *netdev, struct ethtool_test *eth_test, u64 *data) { struct ice_netdev_priv *np = netdev_priv(netdev); bool if_running = netif_running(netdev); struct ice_pf *pf = np->vsi->back; struct device *dev; dev = ice_pf_to_dev(pf); if (eth_test->flags == ETH_TEST_FL_OFFLINE) { netdev_info(netdev, "offline testing starting\n"); set_bit(__ICE_TESTING, pf->state); if (ice_active_vfs(pf)) { dev_warn(dev, "Please take active VFs and Netqueues offline and restart the adapter before running NIC diagnostics\n"); data[ICE_ETH_TEST_REG] = 1; data[ICE_ETH_TEST_EEPROM] = 1; data[ICE_ETH_TEST_INTR] = 1; data[ICE_ETH_TEST_LOOP] = 1; data[ICE_ETH_TEST_LINK] = 1; eth_test->flags |= ETH_TEST_FL_FAILED; clear_bit(__ICE_TESTING, pf->state); goto skip_ol_tests; } /* If the device is online then take it offline */ if (if_running) /* indicate we're in test mode */ ice_stop(netdev); data[ICE_ETH_TEST_LINK] = ice_link_test(netdev); data[ICE_ETH_TEST_EEPROM] = ice_eeprom_test(netdev); data[ICE_ETH_TEST_INTR] = ice_intr_test(netdev); data[ICE_ETH_TEST_LOOP] = ice_loopback_test(netdev); data[ICE_ETH_TEST_REG] = ice_reg_test(netdev); if (data[ICE_ETH_TEST_LINK] || data[ICE_ETH_TEST_EEPROM] || data[ICE_ETH_TEST_LOOP] || data[ICE_ETH_TEST_INTR] || data[ICE_ETH_TEST_REG]) eth_test->flags |= ETH_TEST_FL_FAILED; clear_bit(__ICE_TESTING, pf->state); if (if_running) { int status = ice_open(netdev); if (status) { dev_err(dev, "Could not open device %s, err %d\n", pf->int_name, status); } } } else { /* Online tests */ netdev_info(netdev, "online testing starting\n"); data[ICE_ETH_TEST_LINK] = ice_link_test(netdev); if (data[ICE_ETH_TEST_LINK]) eth_test->flags |= ETH_TEST_FL_FAILED; /* Offline only tests, not run in online; pass by default */ data[ICE_ETH_TEST_REG] = 0; data[ICE_ETH_TEST_EEPROM] = 0; data[ICE_ETH_TEST_INTR] = 0; data[ICE_ETH_TEST_LOOP] = 0; } skip_ol_tests: netdev_info(netdev, "testing finished\n"); } static void ice_get_strings(struct net_device *netdev, u32 stringset, u8 *data) { struct ice_netdev_priv *np = netdev_priv(netdev); struct ice_vsi *vsi = np->vsi; char *p = (char *)data; unsigned int i; switch (stringset) { case ETH_SS_STATS: for (i = 0; i < ICE_VSI_STATS_LEN; i++) { snprintf(p, ETH_GSTRING_LEN, "%s", ice_gstrings_vsi_stats[i].stat_string); p += ETH_GSTRING_LEN; } ice_for_each_alloc_txq(vsi, i) { snprintf(p, ETH_GSTRING_LEN, "tx_queue_%u_packets", i); p += ETH_GSTRING_LEN; snprintf(p, ETH_GSTRING_LEN, "tx_queue_%u_bytes", i); p += ETH_GSTRING_LEN; } ice_for_each_alloc_rxq(vsi, i) { snprintf(p, ETH_GSTRING_LEN, "rx_queue_%u_packets", i); p += ETH_GSTRING_LEN; snprintf(p, ETH_GSTRING_LEN, "rx_queue_%u_bytes", i); p += ETH_GSTRING_LEN; } if (vsi->type != ICE_VSI_PF) return; for (i = 0; i < ICE_PF_STATS_LEN; i++) { snprintf(p, ETH_GSTRING_LEN, "%s", ice_gstrings_pf_stats[i].stat_string); p += ETH_GSTRING_LEN; } for (i = 0; i < ICE_MAX_USER_PRIORITY; i++) { snprintf(p, ETH_GSTRING_LEN, "tx_priority_%u_xon.nic", i); p += ETH_GSTRING_LEN; snprintf(p, ETH_GSTRING_LEN, "tx_priority_%u_xoff.nic", i); p += ETH_GSTRING_LEN; } for (i = 0; i < ICE_MAX_USER_PRIORITY; i++) { snprintf(p, ETH_GSTRING_LEN, "rx_priority_%u_xon.nic", i); p += ETH_GSTRING_LEN; snprintf(p, ETH_GSTRING_LEN, "rx_priority_%u_xoff.nic", i); p += ETH_GSTRING_LEN; } break; case ETH_SS_TEST: memcpy(data, ice_gstrings_test, ICE_TEST_LEN * ETH_GSTRING_LEN); break; case ETH_SS_PRIV_FLAGS: for (i = 0; i < ICE_PRIV_FLAG_ARRAY_SIZE; i++) { snprintf(p, ETH_GSTRING_LEN, "%s", ice_gstrings_priv_flags[i].name); p += ETH_GSTRING_LEN; } break; default: break; } } static int ice_set_phys_id(struct net_device *netdev, enum ethtool_phys_id_state state) { struct ice_netdev_priv *np = netdev_priv(netdev); bool led_active; switch (state) { case ETHTOOL_ID_ACTIVE: led_active = true; break; case ETHTOOL_ID_INACTIVE: led_active = false; break; default: return -EINVAL; } if (ice_aq_set_port_id_led(np->vsi->port_info, !led_active, NULL)) return -EIO; return 0; } /** * ice_set_fec_cfg - Set link FEC options * @netdev: network interface device structure * @req_fec: FEC mode to configure */ static int ice_set_fec_cfg(struct net_device *netdev, enum ice_fec_mode req_fec) { struct ice_netdev_priv *np = netdev_priv(netdev); struct ice_aqc_set_phy_cfg_data config = { 0 }; struct ice_aqc_get_phy_caps_data *caps; struct ice_vsi *vsi = np->vsi; u8 sw_cfg_caps, sw_cfg_fec; struct ice_port_info *pi; enum ice_status status; int err = 0; pi = vsi->port_info; if (!pi) return -EOPNOTSUPP; /* Changing the FEC parameters is not supported if not the PF VSI */ if (vsi->type != ICE_VSI_PF) { netdev_info(netdev, "Changing FEC parameters only supported for PF VSI\n"); return -EOPNOTSUPP; } /* Get last SW configuration */ caps = kzalloc(sizeof(*caps), GFP_KERNEL); if (!caps) return -ENOMEM; status = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_SW_CFG, caps, NULL); if (status) { err = -EAGAIN; goto done; } /* Copy SW configuration returned from PHY caps to PHY config */ ice_copy_phy_caps_to_cfg(caps, &config); sw_cfg_caps = caps->caps; sw_cfg_fec = caps->link_fec_options; /* Get toloplogy caps, then copy PHY FEC topoloy caps to PHY config */ memset(caps, 0, sizeof(*caps)); status = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_TOPO_CAP, caps, NULL); if (status) { err = -EAGAIN; goto done; } config.caps |= (caps->caps & ICE_AQC_PHY_EN_AUTO_FEC); config.link_fec_opt = caps->link_fec_options; ice_cfg_phy_fec(&config, req_fec); /* If FEC mode has changed, then set PHY configuration and enable AN. */ if ((config.caps & ICE_AQ_PHY_ENA_AUTO_FEC) != (sw_cfg_caps & ICE_AQC_PHY_EN_AUTO_FEC) || config.link_fec_opt != sw_cfg_fec) { if (caps->caps & ICE_AQC_PHY_AN_MODE) config.caps |= ICE_AQ_PHY_ENA_AUTO_LINK_UPDT; status = ice_aq_set_phy_cfg(pi->hw, pi->lport, &config, NULL); if (status) err = -EAGAIN; } done: kfree(caps); return err; } /** * ice_set_fecparam - Set FEC link options * @netdev: network interface device structure * @fecparam: Ethtool structure to retrieve FEC parameters */ static int ice_set_fecparam(struct net_device *netdev, struct ethtool_fecparam *fecparam) { struct ice_netdev_priv *np = netdev_priv(netdev); struct ice_vsi *vsi = np->vsi; enum ice_fec_mode fec; switch (fecparam->fec) { case ETHTOOL_FEC_AUTO: fec = ICE_FEC_AUTO; break; case ETHTOOL_FEC_RS: fec = ICE_FEC_RS; break; case ETHTOOL_FEC_BASER: fec = ICE_FEC_BASER; break; case ETHTOOL_FEC_OFF: case ETHTOOL_FEC_NONE: fec = ICE_FEC_NONE; break; default: dev_warn(ice_pf_to_dev(vsi->back), "Unsupported FEC mode: %d\n", fecparam->fec); return -EINVAL; } return ice_set_fec_cfg(netdev, fec); } /** * ice_get_fecparam - Get link FEC options * @netdev: network interface device structure * @fecparam: Ethtool structure to retrieve FEC parameters */ static int ice_get_fecparam(struct net_device *netdev, struct ethtool_fecparam *fecparam) { struct ice_netdev_priv *np = netdev_priv(netdev); struct ice_aqc_get_phy_caps_data *caps; struct ice_link_status *link_info; struct ice_vsi *vsi = np->vsi; struct ice_port_info *pi; enum ice_status status; int err = 0; pi = vsi->port_info; if (!pi) return -EOPNOTSUPP; link_info = &pi->phy.link_info; /* Set FEC mode based on negotiated link info */ switch (link_info->fec_info) { case ICE_AQ_LINK_25G_KR_FEC_EN: fecparam->active_fec = ETHTOOL_FEC_BASER; break; case ICE_AQ_LINK_25G_RS_528_FEC_EN: case ICE_AQ_LINK_25G_RS_544_FEC_EN: fecparam->active_fec = ETHTOOL_FEC_RS; break; default: fecparam->active_fec = ETHTOOL_FEC_OFF; break; } caps = kzalloc(sizeof(*caps), GFP_KERNEL); if (!caps) return -ENOMEM; status = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_TOPO_CAP, caps, NULL); if (status) { err = -EAGAIN; goto done; } /* Set supported/configured FEC modes based on PHY capability */ if (caps->caps & ICE_AQC_PHY_EN_AUTO_FEC) fecparam->fec |= ETHTOOL_FEC_AUTO; if (caps->link_fec_options & ICE_AQC_PHY_FEC_10G_KR_40G_KR4_EN || caps->link_fec_options & ICE_AQC_PHY_FEC_10G_KR_40G_KR4_REQ || caps->link_fec_options & ICE_AQC_PHY_FEC_25G_KR_CLAUSE74_EN || caps->link_fec_options & ICE_AQC_PHY_FEC_25G_KR_REQ) fecparam->fec |= ETHTOOL_FEC_BASER; if (caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_528_REQ || caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_544_REQ || caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_CLAUSE91_EN) fecparam->fec |= ETHTOOL_FEC_RS; if (caps->link_fec_options == 0) fecparam->fec |= ETHTOOL_FEC_OFF; done: kfree(caps); return err; } /** * ice_nway_reset - restart autonegotiation * @netdev: network interface device structure */ static int ice_nway_reset(struct net_device *netdev) { struct ice_netdev_priv *np = netdev_priv(netdev); struct ice_vsi *vsi = np->vsi; struct ice_port_info *pi; enum ice_status status; pi = vsi->port_info; /* If VSI state is up, then restart autoneg with link up */ if (!test_bit(__ICE_DOWN, vsi->back->state)) status = ice_aq_set_link_restart_an(pi, true, NULL); else status = ice_aq_set_link_restart_an(pi, false, NULL); if (status) { netdev_info(netdev, "link restart failed, err %s aq_err %s\n", ice_stat_str(status), ice_aq_str(pi->hw->adminq.sq_last_status)); return -EIO; } return 0; } /** * ice_get_priv_flags - report device private flags * @netdev: network interface device structure * * The get string set count and the string set should be matched for each * flag returned. Add new strings for each flag to the ice_gstrings_priv_flags * array. * * Returns a u32 bitmap of flags. */ static u32 ice_get_priv_flags(struct net_device *netdev) { struct ice_netdev_priv *np = netdev_priv(netdev); struct ice_vsi *vsi = np->vsi; struct ice_pf *pf = vsi->back; u32 i, ret_flags = 0; for (i = 0; i < ICE_PRIV_FLAG_ARRAY_SIZE; i++) { const struct ice_priv_flag *priv_flag; priv_flag = &ice_gstrings_priv_flags[i]; if (test_bit(priv_flag->bitno, pf->flags)) ret_flags |= BIT(i); } return ret_flags; } /** * ice_set_priv_flags - set private flags * @netdev: network interface device structure * @flags: bit flags to be set */ static int ice_set_priv_flags(struct net_device *netdev, u32 flags) { struct ice_netdev_priv *np = netdev_priv(netdev); DECLARE_BITMAP(change_flags, ICE_PF_FLAGS_NBITS); DECLARE_BITMAP(orig_flags, ICE_PF_FLAGS_NBITS); struct ice_vsi *vsi = np->vsi; struct ice_pf *pf = vsi->back; struct device *dev; int ret = 0; u32 i; if (flags > BIT(ICE_PRIV_FLAG_ARRAY_SIZE)) return -EINVAL; dev = ice_pf_to_dev(pf); set_bit(ICE_FLAG_ETHTOOL_CTXT, pf->flags); bitmap_copy(orig_flags, pf->flags, ICE_PF_FLAGS_NBITS); for (i = 0; i < ICE_PRIV_FLAG_ARRAY_SIZE; i++) { const struct ice_priv_flag *priv_flag; priv_flag = &ice_gstrings_priv_flags[i]; if (flags & BIT(i)) set_bit(priv_flag->bitno, pf->flags); else clear_bit(priv_flag->bitno, pf->flags); } bitmap_xor(change_flags, pf->flags, orig_flags, ICE_PF_FLAGS_NBITS); if (test_bit(ICE_FLAG_FW_LLDP_AGENT, change_flags)) { if (!test_bit(ICE_FLAG_FW_LLDP_AGENT, pf->flags)) { enum ice_status status; /* Disable FW LLDP engine */ status = ice_cfg_lldp_mib_change(&pf->hw, false); /* If unregistering for LLDP events fails, this is * not an error state, as there shouldn't be any * events to respond to. */ if (status) dev_info(dev, "Failed to unreg for LLDP events\n"); /* The AQ call to stop the FW LLDP agent will generate * an error if the agent is already stopped. */ status = ice_aq_stop_lldp(&pf->hw, true, true, NULL); if (status) dev_warn(dev, "Fail to stop LLDP agent\n"); /* Use case for having the FW LLDP agent stopped * will likely not need DCB, so failure to init is * not a concern of ethtool */ status = ice_init_pf_dcb(pf, true); if (status) dev_warn(dev, "Fail to init DCB\n"); } else { enum ice_status status; bool dcbx_agent_status; /* AQ command to start FW LLDP agent will return an * error if the agent is already started */ status = ice_aq_start_lldp(&pf->hw, true, NULL); if (status) dev_warn(dev, "Fail to start LLDP Agent\n"); /* AQ command to start FW DCBX agent will fail if * the agent is already started */ status = ice_aq_start_stop_dcbx(&pf->hw, true, &dcbx_agent_status, NULL); if (status) dev_dbg(dev, "Failed to start FW DCBX\n"); dev_info(dev, "FW DCBX agent is %s\n", dcbx_agent_status ? "ACTIVE" : "DISABLED"); /* Failure to configure MIB change or init DCB is not * relevant to ethtool. Print notification that * registration/init failed but do not return error * state to ethtool */ status = ice_init_pf_dcb(pf, true); if (status) dev_dbg(dev, "Fail to init DCB\n"); /* Remove rule to direct LLDP packets to default VSI. * The FW LLDP engine will now be consuming them. */ ice_cfg_sw_lldp(vsi, false, false); /* Register for MIB change events */ status = ice_cfg_lldp_mib_change(&pf->hw, true); if (status) dev_dbg(dev, "Fail to enable MIB change events\n"); ice_nway_reset(netdev); } } if (test_bit(ICE_FLAG_LEGACY_RX, change_flags)) { /* down and up VSI so that changes of Rx cfg are reflected. */ ice_down(vsi); ice_up(vsi); } /* don't allow modification of this flag when a single VF is in * promiscuous mode because it's not supported */ if (test_bit(ICE_FLAG_VF_TRUE_PROMISC_ENA, change_flags) && ice_is_any_vf_in_promisc(pf)) { dev_err(dev, "Changing vf-true-promisc-support flag while VF(s) are in promiscuous mode not supported\n"); /* toggle bit back to previous state */ change_bit(ICE_FLAG_VF_TRUE_PROMISC_ENA, pf->flags); ret = -EAGAIN; } clear_bit(ICE_FLAG_ETHTOOL_CTXT, pf->flags); return ret; } static int ice_get_sset_count(struct net_device *netdev, int sset) { switch (sset) { case ETH_SS_STATS: /* The number (and order) of strings reported *must* remain * constant for a given netdevice. This function must not * report a different number based on run time parameters * (such as the number of queues in use, or the setting of * a private ethtool flag). This is due to the nature of the * ethtool stats API. * * Userspace programs such as ethtool must make 3 separate * ioctl requests, one for size, one for the strings, and * finally one for the stats. Since these cross into * userspace, changes to the number or size could result in * undefined memory access or incorrect string<->value * correlations for statistics. * * Even if it appears to be safe, changes to the size or * order of strings will suffer from race conditions and are * not safe. */ return ICE_ALL_STATS_LEN(netdev); case ETH_SS_TEST: return ICE_TEST_LEN; case ETH_SS_PRIV_FLAGS: return ICE_PRIV_FLAG_ARRAY_SIZE; default: return -EOPNOTSUPP; } } static void ice_get_ethtool_stats(struct net_device *netdev, struct ethtool_stats __always_unused *stats, u64 *data) { struct ice_netdev_priv *np = netdev_priv(netdev); struct ice_vsi *vsi = np->vsi; struct ice_pf *pf = vsi->back; struct ice_ring *ring; unsigned int j; int i = 0; char *p; ice_update_pf_stats(pf); ice_update_vsi_stats(vsi); for (j = 0; j < ICE_VSI_STATS_LEN; j++) { p = (char *)vsi + ice_gstrings_vsi_stats[j].stat_offset; data[i++] = (ice_gstrings_vsi_stats[j].sizeof_stat == sizeof(u64)) ? *(u64 *)p : *(u32 *)p; } /* populate per queue stats */ rcu_read_lock(); ice_for_each_alloc_txq(vsi, j) { ring = READ_ONCE(vsi->tx_rings[j]); if (ring) { data[i++] = ring->stats.pkts; data[i++] = ring->stats.bytes; } else { data[i++] = 0; data[i++] = 0; } } ice_for_each_alloc_rxq(vsi, j) { ring = READ_ONCE(vsi->rx_rings[j]); if (ring) { data[i++] = ring->stats.pkts; data[i++] = ring->stats.bytes; } else { data[i++] = 0; data[i++] = 0; } } rcu_read_unlock(); if (vsi->type != ICE_VSI_PF) return; for (j = 0; j < ICE_PF_STATS_LEN; j++) { p = (char *)pf + ice_gstrings_pf_stats[j].stat_offset; data[i++] = (ice_gstrings_pf_stats[j].sizeof_stat == sizeof(u64)) ? *(u64 *)p : *(u32 *)p; } for (j = 0; j < ICE_MAX_USER_PRIORITY; j++) { data[i++] = pf->stats.priority_xon_tx[j]; data[i++] = pf->stats.priority_xoff_tx[j]; } for (j = 0; j < ICE_MAX_USER_PRIORITY; j++) { data[i++] = pf->stats.priority_xon_rx[j]; data[i++] = pf->stats.priority_xoff_rx[j]; } } /** * ice_phy_type_to_ethtool - convert the phy_types to ethtool link modes * @netdev: network interface device structure * @ks: ethtool link ksettings struct to fill out */ static void ice_phy_type_to_ethtool(struct net_device *netdev, struct ethtool_link_ksettings *ks) { struct ice_netdev_priv *np = netdev_priv(netdev); struct ice_link_status *hw_link_info; bool need_add_adv_mode = false; struct ice_vsi *vsi = np->vsi; u64 phy_types_high; u64 phy_types_low; hw_link_info = &vsi->port_info->phy.link_info; phy_types_low = vsi->port_info->phy.phy_type_low; phy_types_high = vsi->port_info->phy.phy_type_high; ethtool_link_ksettings_zero_link_mode(ks, supported); ethtool_link_ksettings_zero_link_mode(ks, advertising); if (phy_types_low & ICE_PHY_TYPE_LOW_100BASE_TX || phy_types_low & ICE_PHY_TYPE_LOW_100M_SGMII) { ethtool_link_ksettings_add_link_mode(ks, supported, 100baseT_Full); if (!hw_link_info->req_speeds || hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_100MB) ethtool_link_ksettings_add_link_mode(ks, advertising, 100baseT_Full); } if (phy_types_low & ICE_PHY_TYPE_LOW_1000BASE_T || phy_types_low & ICE_PHY_TYPE_LOW_1G_SGMII) { ethtool_link_ksettings_add_link_mode(ks, supported, 1000baseT_Full); if (!hw_link_info->req_speeds || hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_1000MB) ethtool_link_ksettings_add_link_mode(ks, advertising, 1000baseT_Full); } if (phy_types_low & ICE_PHY_TYPE_LOW_1000BASE_KX) { ethtool_link_ksettings_add_link_mode(ks, supported, 1000baseKX_Full); if (!hw_link_info->req_speeds || hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_1000MB) ethtool_link_ksettings_add_link_mode(ks, advertising, 1000baseKX_Full); } if (phy_types_low & ICE_PHY_TYPE_LOW_1000BASE_SX || phy_types_low & ICE_PHY_TYPE_LOW_1000BASE_LX) { ethtool_link_ksettings_add_link_mode(ks, supported, 1000baseX_Full); if (!hw_link_info->req_speeds || hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_1000MB) ethtool_link_ksettings_add_link_mode(ks, advertising, 1000baseX_Full); } if (phy_types_low & ICE_PHY_TYPE_LOW_2500BASE_T) { ethtool_link_ksettings_add_link_mode(ks, supported, 2500baseT_Full); if (!hw_link_info->req_speeds || hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_2500MB) ethtool_link_ksettings_add_link_mode(ks, advertising, 2500baseT_Full); } if (phy_types_low & ICE_PHY_TYPE_LOW_2500BASE_X || phy_types_low & ICE_PHY_TYPE_LOW_2500BASE_KX) { ethtool_link_ksettings_add_link_mode(ks, supported, 2500baseX_Full); if (!hw_link_info->req_speeds || hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_2500MB) ethtool_link_ksettings_add_link_mode(ks, advertising, 2500baseX_Full); } if (phy_types_low & ICE_PHY_TYPE_LOW_5GBASE_T || phy_types_low & ICE_PHY_TYPE_LOW_5GBASE_KR) { ethtool_link_ksettings_add_link_mode(ks, supported, 5000baseT_Full); if (!hw_link_info->req_speeds || hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_5GB) ethtool_link_ksettings_add_link_mode(ks, advertising, 5000baseT_Full); } if (phy_types_low & ICE_PHY_TYPE_LOW_10GBASE_T || phy_types_low & ICE_PHY_TYPE_LOW_10G_SFI_DA || phy_types_low & ICE_PHY_TYPE_LOW_10G_SFI_AOC_ACC || phy_types_low & ICE_PHY_TYPE_LOW_10G_SFI_C2C) { ethtool_link_ksettings_add_link_mode(ks, supported, 10000baseT_Full); if (!hw_link_info->req_speeds || hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_10GB) ethtool_link_ksettings_add_link_mode(ks, advertising, 10000baseT_Full); } if (phy_types_low & ICE_PHY_TYPE_LOW_10GBASE_KR_CR1) { ethtool_link_ksettings_add_link_mode(ks, supported, 10000baseKR_Full); if (!hw_link_info->req_speeds || hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_10GB) ethtool_link_ksettings_add_link_mode(ks, advertising, 10000baseKR_Full); } if (phy_types_low & ICE_PHY_TYPE_LOW_10GBASE_SR) { ethtool_link_ksettings_add_link_mode(ks, supported, 10000baseSR_Full); if (!hw_link_info->req_speeds || hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_10GB) ethtool_link_ksettings_add_link_mode(ks, advertising, 10000baseSR_Full); } if (phy_types_low & ICE_PHY_TYPE_LOW_10GBASE_LR) { ethtool_link_ksettings_add_link_mode(ks, supported, 10000baseLR_Full); if (!hw_link_info->req_speeds || hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_10GB) ethtool_link_ksettings_add_link_mode(ks, advertising, 10000baseLR_Full); } if (phy_types_low & ICE_PHY_TYPE_LOW_25GBASE_T || phy_types_low & ICE_PHY_TYPE_LOW_25GBASE_CR || phy_types_low & ICE_PHY_TYPE_LOW_25GBASE_CR_S || phy_types_low & ICE_PHY_TYPE_LOW_25GBASE_CR1 || phy_types_low & ICE_PHY_TYPE_LOW_25G_AUI_AOC_ACC || phy_types_low & ICE_PHY_TYPE_LOW_25G_AUI_C2C) { ethtool_link_ksettings_add_link_mode(ks, supported, 25000baseCR_Full); if (!hw_link_info->req_speeds || hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_25GB) ethtool_link_ksettings_add_link_mode(ks, advertising, 25000baseCR_Full); } if (phy_types_low & ICE_PHY_TYPE_LOW_25GBASE_SR || phy_types_low & ICE_PHY_TYPE_LOW_25GBASE_LR) { ethtool_link_ksettings_add_link_mode(ks, supported, 25000baseSR_Full); if (!hw_link_info->req_speeds || hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_25GB) ethtool_link_ksettings_add_link_mode(ks, advertising, 25000baseSR_Full); } if (phy_types_low & ICE_PHY_TYPE_LOW_25GBASE_KR || phy_types_low & ICE_PHY_TYPE_LOW_25GBASE_KR_S || phy_types_low & ICE_PHY_TYPE_LOW_25GBASE_KR1) { ethtool_link_ksettings_add_link_mode(ks, supported, 25000baseKR_Full); if (!hw_link_info->req_speeds || hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_25GB) ethtool_link_ksettings_add_link_mode(ks, advertising, 25000baseKR_Full); } if (phy_types_low & ICE_PHY_TYPE_LOW_40GBASE_KR4) { ethtool_link_ksettings_add_link_mode(ks, supported, 40000baseKR4_Full); if (!hw_link_info->req_speeds || hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_40GB) ethtool_link_ksettings_add_link_mode(ks, advertising, 40000baseKR4_Full); } if (phy_types_low & ICE_PHY_TYPE_LOW_40GBASE_CR4 || phy_types_low & ICE_PHY_TYPE_LOW_40G_XLAUI_AOC_ACC || phy_types_low & ICE_PHY_TYPE_LOW_40G_XLAUI) { ethtool_link_ksettings_add_link_mode(ks, supported, 40000baseCR4_Full); if (!hw_link_info->req_speeds || hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_40GB) ethtool_link_ksettings_add_link_mode(ks, advertising, 40000baseCR4_Full); } if (phy_types_low & ICE_PHY_TYPE_LOW_40GBASE_SR4) { ethtool_link_ksettings_add_link_mode(ks, supported, 40000baseSR4_Full); if (!hw_link_info->req_speeds || hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_40GB) ethtool_link_ksettings_add_link_mode(ks, advertising, 40000baseSR4_Full); } if (phy_types_low & ICE_PHY_TYPE_LOW_40GBASE_LR4) { ethtool_link_ksettings_add_link_mode(ks, supported, 40000baseLR4_Full); if (!hw_link_info->req_speeds || hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_40GB) ethtool_link_ksettings_add_link_mode(ks, advertising, 40000baseLR4_Full); } if (phy_types_low & ICE_PHY_TYPE_LOW_50GBASE_CR2 || phy_types_low & ICE_PHY_TYPE_LOW_50G_LAUI2_AOC_ACC || phy_types_low & ICE_PHY_TYPE_LOW_50G_LAUI2 || phy_types_low & ICE_PHY_TYPE_LOW_50G_AUI2_AOC_ACC || phy_types_low & ICE_PHY_TYPE_LOW_50G_AUI2 || phy_types_low & ICE_PHY_TYPE_LOW_50GBASE_CP || phy_types_low & ICE_PHY_TYPE_LOW_50GBASE_SR || phy_types_low & ICE_PHY_TYPE_LOW_50G_AUI1_AOC_ACC || phy_types_low & ICE_PHY_TYPE_LOW_50G_AUI1) { ethtool_link_ksettings_add_link_mode(ks, supported, 50000baseCR2_Full); if (!hw_link_info->req_speeds || hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_50GB) ethtool_link_ksettings_add_link_mode(ks, advertising, 50000baseCR2_Full); } if (phy_types_low & ICE_PHY_TYPE_LOW_50GBASE_KR2 || phy_types_low & ICE_PHY_TYPE_LOW_50GBASE_KR_PAM4) { ethtool_link_ksettings_add_link_mode(ks, supported, 50000baseKR2_Full); if (!hw_link_info->req_speeds || hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_50GB) ethtool_link_ksettings_add_link_mode(ks, advertising, 50000baseKR2_Full); } if (phy_types_low & ICE_PHY_TYPE_LOW_50GBASE_SR2 || phy_types_low & ICE_PHY_TYPE_LOW_50GBASE_LR2 || phy_types_low & ICE_PHY_TYPE_LOW_50GBASE_FR || phy_types_low & ICE_PHY_TYPE_LOW_50GBASE_LR) { ethtool_link_ksettings_add_link_mode(ks, supported, 50000baseSR2_Full); if (!hw_link_info->req_speeds || hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_50GB) ethtool_link_ksettings_add_link_mode(ks, advertising, 50000baseSR2_Full); } if (phy_types_low & ICE_PHY_TYPE_LOW_100GBASE_CR4 || phy_types_low & ICE_PHY_TYPE_LOW_100G_CAUI4_AOC_ACC || phy_types_low & ICE_PHY_TYPE_LOW_100G_CAUI4 || phy_types_low & ICE_PHY_TYPE_LOW_100G_AUI4_AOC_ACC || phy_types_low & ICE_PHY_TYPE_LOW_100G_AUI4 || phy_types_low & ICE_PHY_TYPE_LOW_100GBASE_CR_PAM4 || phy_types_low & ICE_PHY_TYPE_LOW_100GBASE_CP2 || phy_types_high & ICE_PHY_TYPE_HIGH_100G_CAUI2_AOC_ACC || phy_types_high & ICE_PHY_TYPE_HIGH_100G_CAUI2 || phy_types_high & ICE_PHY_TYPE_HIGH_100G_AUI2_AOC_ACC || phy_types_high & ICE_PHY_TYPE_HIGH_100G_AUI2) { ethtool_link_ksettings_add_link_mode(ks, supported, 100000baseCR4_Full); if (!hw_link_info->req_speeds || hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_100GB) need_add_adv_mode = true; } if (need_add_adv_mode) { need_add_adv_mode = false; ethtool_link_ksettings_add_link_mode(ks, advertising, 100000baseCR4_Full); } if (phy_types_low & ICE_PHY_TYPE_LOW_100GBASE_SR4 || phy_types_low & ICE_PHY_TYPE_LOW_100GBASE_SR2) { ethtool_link_ksettings_add_link_mode(ks, supported, 100000baseSR4_Full); if (!hw_link_info->req_speeds || hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_100GB) need_add_adv_mode = true; } if (need_add_adv_mode) { need_add_adv_mode = false; ethtool_link_ksettings_add_link_mode(ks, advertising, 100000baseSR4_Full); } if (phy_types_low & ICE_PHY_TYPE_LOW_100GBASE_LR4 || phy_types_low & ICE_PHY_TYPE_LOW_100GBASE_DR) { ethtool_link_ksettings_add_link_mode(ks, supported, 100000baseLR4_ER4_Full); if (!hw_link_info->req_speeds || hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_100GB) need_add_adv_mode = true; } if (need_add_adv_mode) { need_add_adv_mode = false; ethtool_link_ksettings_add_link_mode(ks, advertising, 100000baseLR4_ER4_Full); } if (phy_types_low & ICE_PHY_TYPE_LOW_100GBASE_KR4 || phy_types_low & ICE_PHY_TYPE_LOW_100GBASE_KR_PAM4 || phy_types_high & ICE_PHY_TYPE_HIGH_100GBASE_KR2_PAM4) { ethtool_link_ksettings_add_link_mode(ks, supported, 100000baseKR4_Full); if (!hw_link_info->req_speeds || hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_100GB) need_add_adv_mode = true; } if (need_add_adv_mode) ethtool_link_ksettings_add_link_mode(ks, advertising, 100000baseKR4_Full); /* Autoneg PHY types */ if (phy_types_low & ICE_PHY_TYPE_LOW_100BASE_TX || phy_types_low & ICE_PHY_TYPE_LOW_1000BASE_T || phy_types_low & ICE_PHY_TYPE_LOW_1000BASE_KX || phy_types_low & ICE_PHY_TYPE_LOW_2500BASE_T || phy_types_low & ICE_PHY_TYPE_LOW_2500BASE_KX || phy_types_low & ICE_PHY_TYPE_LOW_5GBASE_T || phy_types_low & ICE_PHY_TYPE_LOW_5GBASE_KR || phy_types_low & ICE_PHY_TYPE_LOW_10GBASE_T || phy_types_low & ICE_PHY_TYPE_LOW_10GBASE_KR_CR1 || phy_types_low & ICE_PHY_TYPE_LOW_25GBASE_T || phy_types_low & ICE_PHY_TYPE_LOW_25GBASE_CR || phy_types_low & ICE_PHY_TYPE_LOW_25GBASE_CR_S || phy_types_low & ICE_PHY_TYPE_LOW_25GBASE_CR1 || phy_types_low & ICE_PHY_TYPE_LOW_25GBASE_KR || phy_types_low & ICE_PHY_TYPE_LOW_25GBASE_KR_S || phy_types_low & ICE_PHY_TYPE_LOW_25GBASE_KR1 || phy_types_low & ICE_PHY_TYPE_LOW_40GBASE_CR4 || phy_types_low & ICE_PHY_TYPE_LOW_40GBASE_KR4) { ethtool_link_ksettings_add_link_mode(ks, supported, Autoneg); ethtool_link_ksettings_add_link_mode(ks, advertising, Autoneg); } if (phy_types_low & ICE_PHY_TYPE_LOW_50GBASE_CR2 || phy_types_low & ICE_PHY_TYPE_LOW_50GBASE_KR2 || phy_types_low & ICE_PHY_TYPE_LOW_50GBASE_CP || phy_types_low & ICE_PHY_TYPE_LOW_50GBASE_KR_PAM4) { ethtool_link_ksettings_add_link_mode(ks, supported, Autoneg); ethtool_link_ksettings_add_link_mode(ks, advertising, Autoneg); } if (phy_types_low & ICE_PHY_TYPE_LOW_100GBASE_CR4 || phy_types_low & ICE_PHY_TYPE_LOW_100GBASE_KR4 || phy_types_low & ICE_PHY_TYPE_LOW_100GBASE_KR_PAM4 || phy_types_low & ICE_PHY_TYPE_LOW_100GBASE_CP2) { ethtool_link_ksettings_add_link_mode(ks, supported, Autoneg); ethtool_link_ksettings_add_link_mode(ks, advertising, Autoneg); } } #define TEST_SET_BITS_TIMEOUT 50 #define TEST_SET_BITS_SLEEP_MAX 2000 #define TEST_SET_BITS_SLEEP_MIN 1000 /** * ice_get_settings_link_up - Get Link settings for when link is up * @ks: ethtool ksettings to fill in * @netdev: network interface device structure */ static void ice_get_settings_link_up(struct ethtool_link_ksettings *ks, struct net_device *netdev) { struct ice_netdev_priv *np = netdev_priv(netdev); struct ice_port_info *pi = np->vsi->port_info; struct ice_link_status *link_info; struct ice_vsi *vsi = np->vsi; link_info = &vsi->port_info->phy.link_info; /* Get supported and advertised settings from PHY ability with media */ ice_phy_type_to_ethtool(netdev, ks); switch (link_info->link_speed) { case ICE_AQ_LINK_SPEED_100GB: ks->base.speed = SPEED_100000; break; case ICE_AQ_LINK_SPEED_50GB: ks->base.speed = SPEED_50000; break; case ICE_AQ_LINK_SPEED_40GB: ks->base.speed = SPEED_40000; break; case ICE_AQ_LINK_SPEED_25GB: ks->base.speed = SPEED_25000; break; case ICE_AQ_LINK_SPEED_20GB: ks->base.speed = SPEED_20000; break; case ICE_AQ_LINK_SPEED_10GB: ks->base.speed = SPEED_10000; break; case ICE_AQ_LINK_SPEED_5GB: ks->base.speed = SPEED_5000; break; case ICE_AQ_LINK_SPEED_2500MB: ks->base.speed = SPEED_2500; break; case ICE_AQ_LINK_SPEED_1000MB: ks->base.speed = SPEED_1000; break; case ICE_AQ_LINK_SPEED_100MB: ks->base.speed = SPEED_100; break; default: netdev_info(netdev, "WARNING: Unrecognized link_speed (0x%x).\n", link_info->link_speed); break; } ks->base.duplex = DUPLEX_FULL; if (link_info->an_info & ICE_AQ_AN_COMPLETED) ethtool_link_ksettings_add_link_mode(ks, lp_advertising, Autoneg); /* Set flow control negotiated Rx/Tx pause */ switch (pi->fc.current_mode) { case ICE_FC_FULL: ethtool_link_ksettings_add_link_mode(ks, lp_advertising, Pause); break; case ICE_FC_TX_PAUSE: ethtool_link_ksettings_add_link_mode(ks, lp_advertising, Pause); ethtool_link_ksettings_add_link_mode(ks, lp_advertising, Asym_Pause); break; case ICE_FC_RX_PAUSE: ethtool_link_ksettings_add_link_mode(ks, lp_advertising, Asym_Pause); break; case ICE_FC_PFC: default: ethtool_link_ksettings_del_link_mode(ks, lp_advertising, Pause); ethtool_link_ksettings_del_link_mode(ks, lp_advertising, Asym_Pause); break; } } /** * ice_get_settings_link_down - Get the Link settings when link is down * @ks: ethtool ksettings to fill in * @netdev: network interface device structure * * Reports link settings that can be determined when link is down */ static void ice_get_settings_link_down(struct ethtool_link_ksettings *ks, struct net_device *netdev) { /* link is down and the driver needs to fall back on * supported PHY types to figure out what info to display */ ice_phy_type_to_ethtool(netdev, ks); /* With no link, speed and duplex are unknown */ ks->base.speed = SPEED_UNKNOWN; ks->base.duplex = DUPLEX_UNKNOWN; } /** * ice_get_link_ksettings - Get Link Speed and Duplex settings * @netdev: network interface device structure * @ks: ethtool ksettings * * Reports speed/duplex settings based on media_type */ static int ice_get_link_ksettings(struct net_device *netdev, struct ethtool_link_ksettings *ks) { struct ice_netdev_priv *np = netdev_priv(netdev); struct ice_aqc_get_phy_caps_data *caps; struct ice_link_status *hw_link_info; struct ice_vsi *vsi = np->vsi; enum ice_status status; int err = 0; ethtool_link_ksettings_zero_link_mode(ks, supported); ethtool_link_ksettings_zero_link_mode(ks, advertising); ethtool_link_ksettings_zero_link_mode(ks, lp_advertising); hw_link_info = &vsi->port_info->phy.link_info; /* set speed and duplex */ if (hw_link_info->link_info & ICE_AQ_LINK_UP) ice_get_settings_link_up(ks, netdev); else ice_get_settings_link_down(ks, netdev); /* set autoneg settings */ ks->base.autoneg = (hw_link_info->an_info & ICE_AQ_AN_COMPLETED) ? AUTONEG_ENABLE : AUTONEG_DISABLE; /* set media type settings */ switch (vsi->port_info->phy.media_type) { case ICE_MEDIA_FIBER: ethtool_link_ksettings_add_link_mode(ks, supported, FIBRE); ks->base.port = PORT_FIBRE; break; case ICE_MEDIA_BASET: ethtool_link_ksettings_add_link_mode(ks, supported, TP); ethtool_link_ksettings_add_link_mode(ks, advertising, TP); ks->base.port = PORT_TP; break; case ICE_MEDIA_BACKPLANE: ethtool_link_ksettings_add_link_mode(ks, supported, Autoneg); ethtool_link_ksettings_add_link_mode(ks, supported, Backplane); ethtool_link_ksettings_add_link_mode(ks, advertising, Autoneg); ethtool_link_ksettings_add_link_mode(ks, advertising, Backplane); ks->base.port = PORT_NONE; break; case ICE_MEDIA_DA: ethtool_link_ksettings_add_link_mode(ks, supported, FIBRE); ethtool_link_ksettings_add_link_mode(ks, advertising, FIBRE); ks->base.port = PORT_DA; break; default: ks->base.port = PORT_OTHER; break; } /* flow control is symmetric and always supported */ ethtool_link_ksettings_add_link_mode(ks, supported, Pause); caps = kzalloc(sizeof(*caps), GFP_KERNEL); if (!caps) return -ENOMEM; status = ice_aq_get_phy_caps(vsi->port_info, false, ICE_AQC_REPORT_SW_CFG, caps, NULL); if (status) { err = -EIO; goto done; } /* Set the advertised flow control based on the PHY capability */ if ((caps->caps & ICE_AQC_PHY_EN_TX_LINK_PAUSE) && (caps->caps & ICE_AQC_PHY_EN_RX_LINK_PAUSE)) { ethtool_link_ksettings_add_link_mode(ks, advertising, Pause); ethtool_link_ksettings_add_link_mode(ks, advertising, Asym_Pause); } else if (caps->caps & ICE_AQC_PHY_EN_TX_LINK_PAUSE) { ethtool_link_ksettings_add_link_mode(ks, advertising, Asym_Pause); } else if (caps->caps & ICE_AQC_PHY_EN_RX_LINK_PAUSE) { ethtool_link_ksettings_add_link_mode(ks, advertising, Pause); ethtool_link_ksettings_add_link_mode(ks, advertising, Asym_Pause); } else { ethtool_link_ksettings_del_link_mode(ks, advertising, Pause); ethtool_link_ksettings_del_link_mode(ks, advertising, Asym_Pause); } /* Set advertised FEC modes based on PHY capability */ ethtool_link_ksettings_add_link_mode(ks, advertising, FEC_NONE); if (caps->link_fec_options & ICE_AQC_PHY_FEC_10G_KR_40G_KR4_REQ || caps->link_fec_options & ICE_AQC_PHY_FEC_25G_KR_REQ) ethtool_link_ksettings_add_link_mode(ks, advertising, FEC_BASER); if (caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_528_REQ || caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_544_REQ) ethtool_link_ksettings_add_link_mode(ks, advertising, FEC_RS); status = ice_aq_get_phy_caps(vsi->port_info, false, ICE_AQC_REPORT_TOPO_CAP, caps, NULL); if (status) { err = -EIO; goto done; } /* Set supported FEC modes based on PHY capability */ ethtool_link_ksettings_add_link_mode(ks, supported, FEC_NONE); if (caps->link_fec_options & ICE_AQC_PHY_FEC_10G_KR_40G_KR4_EN || caps->link_fec_options & ICE_AQC_PHY_FEC_25G_KR_CLAUSE74_EN) ethtool_link_ksettings_add_link_mode(ks, supported, FEC_BASER); if (caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_CLAUSE91_EN) ethtool_link_ksettings_add_link_mode(ks, supported, FEC_RS); done: kfree(caps); return err; } /** * ice_ksettings_find_adv_link_speed - Find advertising link speed * @ks: ethtool ksettings */ static u16 ice_ksettings_find_adv_link_speed(const struct ethtool_link_ksettings *ks) { u16 adv_link_speed = 0; if (ethtool_link_ksettings_test_link_mode(ks, advertising, 100baseT_Full)) adv_link_speed |= ICE_AQ_LINK_SPEED_100MB; if (ethtool_link_ksettings_test_link_mode(ks, advertising, 1000baseX_Full)) adv_link_speed |= ICE_AQ_LINK_SPEED_1000MB; if (ethtool_link_ksettings_test_link_mode(ks, advertising, 1000baseT_Full) || ethtool_link_ksettings_test_link_mode(ks, advertising, 1000baseKX_Full)) adv_link_speed |= ICE_AQ_LINK_SPEED_1000MB; if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2500baseT_Full)) adv_link_speed |= ICE_AQ_LINK_SPEED_2500MB; if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2500baseX_Full)) adv_link_speed |= ICE_AQ_LINK_SPEED_2500MB; if (ethtool_link_ksettings_test_link_mode(ks, advertising, 5000baseT_Full)) adv_link_speed |= ICE_AQ_LINK_SPEED_5GB; if (ethtool_link_ksettings_test_link_mode(ks, advertising, 10000baseT_Full) || ethtool_link_ksettings_test_link_mode(ks, advertising, 10000baseKR_Full)) adv_link_speed |= ICE_AQ_LINK_SPEED_10GB; if (ethtool_link_ksettings_test_link_mode(ks, advertising, 10000baseSR_Full) || ethtool_link_ksettings_test_link_mode(ks, advertising, 10000baseLR_Full)) adv_link_speed |= ICE_AQ_LINK_SPEED_10GB; if (ethtool_link_ksettings_test_link_mode(ks, advertising, 25000baseCR_Full) || ethtool_link_ksettings_test_link_mode(ks, advertising, 25000baseSR_Full) || ethtool_link_ksettings_test_link_mode(ks, advertising, 25000baseKR_Full)) adv_link_speed |= ICE_AQ_LINK_SPEED_25GB; if (ethtool_link_ksettings_test_link_mode(ks, advertising, 40000baseCR4_Full) || ethtool_link_ksettings_test_link_mode(ks, advertising, 40000baseSR4_Full) || ethtool_link_ksettings_test_link_mode(ks, advertising, 40000baseLR4_Full) || ethtool_link_ksettings_test_link_mode(ks, advertising, 40000baseKR4_Full)) adv_link_speed |= ICE_AQ_LINK_SPEED_40GB; if (ethtool_link_ksettings_test_link_mode(ks, advertising, 50000baseCR2_Full) || ethtool_link_ksettings_test_link_mode(ks, advertising, 50000baseKR2_Full)) adv_link_speed |= ICE_AQ_LINK_SPEED_50GB; if (ethtool_link_ksettings_test_link_mode(ks, advertising, 50000baseSR2_Full)) adv_link_speed |= ICE_AQ_LINK_SPEED_50GB; if (ethtool_link_ksettings_test_link_mode(ks, advertising, 100000baseCR4_Full) || ethtool_link_ksettings_test_link_mode(ks, advertising, 100000baseSR4_Full) || ethtool_link_ksettings_test_link_mode(ks, advertising, 100000baseLR4_ER4_Full) || ethtool_link_ksettings_test_link_mode(ks, advertising, 100000baseKR4_Full)) adv_link_speed |= ICE_AQ_LINK_SPEED_100GB; return adv_link_speed; } /** * ice_setup_autoneg * @p: port info * @ks: ethtool_link_ksettings * @config: configuration that will be sent down to FW * @autoneg_enabled: autonegotiation is enabled or not * @autoneg_changed: will there a change in autonegotiation * @netdev: network interface device structure * * Setup PHY autonegotiation feature */ static int ice_setup_autoneg(struct ice_port_info *p, struct ethtool_link_ksettings *ks, struct ice_aqc_set_phy_cfg_data *config, u8 autoneg_enabled, u8 *autoneg_changed, struct net_device *netdev) { int err = 0; *autoneg_changed = 0; /* Check autoneg */ if (autoneg_enabled == AUTONEG_ENABLE) { /* If autoneg was not already enabled */ if (!(p->phy.link_info.an_info & ICE_AQ_AN_COMPLETED)) { /* If autoneg is not supported, return error */ if (!ethtool_link_ksettings_test_link_mode(ks, supported, Autoneg)) { netdev_info(netdev, "Autoneg not supported on this phy.\n"); err = -EINVAL; } else { /* Autoneg is allowed to change */ config->caps |= ICE_AQ_PHY_ENA_AUTO_LINK_UPDT; *autoneg_changed = 1; } } } else { /* If autoneg is currently enabled */ if (p->phy.link_info.an_info & ICE_AQ_AN_COMPLETED) { /* If autoneg is supported 10GBASE_T is the only PHY * that can disable it, so otherwise return error */ if (ethtool_link_ksettings_test_link_mode(ks, supported, Autoneg)) { netdev_info(netdev, "Autoneg cannot be disabled on this phy\n"); err = -EINVAL; } else { /* Autoneg is allowed to change */ config->caps &= ~ICE_AQ_PHY_ENA_AUTO_LINK_UPDT; *autoneg_changed = 1; } } } return err; } /** * ice_set_link_ksettings - Set Speed and Duplex * @netdev: network interface device structure * @ks: ethtool ksettings * * Set speed/duplex per media_types advertised/forced */ static int ice_set_link_ksettings(struct net_device *netdev, const struct ethtool_link_ksettings *ks) { u8 autoneg, timeout = TEST_SET_BITS_TIMEOUT, lport = 0; struct ice_netdev_priv *np = netdev_priv(netdev); struct ethtool_link_ksettings safe_ks, copy_ks; struct ice_aqc_get_phy_caps_data *abilities; u16 adv_link_speed, curr_link_speed, idx; struct ice_aqc_set_phy_cfg_data config; struct ice_pf *pf = np->vsi->back; struct ice_port_info *p; u8 autoneg_changed = 0; enum ice_status status; u64 phy_type_high; u64 phy_type_low; int err = 0; bool linkup; p = np->vsi->port_info; if (!p) return -EOPNOTSUPP; /* Check if this is LAN VSI */ ice_for_each_vsi(pf, idx) if (pf->vsi[idx]->type == ICE_VSI_PF) { if (np->vsi != pf->vsi[idx]) return -EOPNOTSUPP; break; } if (p->phy.media_type != ICE_MEDIA_BASET && p->phy.media_type != ICE_MEDIA_FIBER && p->phy.media_type != ICE_MEDIA_BACKPLANE && p->phy.media_type != ICE_MEDIA_DA && p->phy.link_info.link_info & ICE_AQ_LINK_UP) return -EOPNOTSUPP; /* copy the ksettings to copy_ks to avoid modifying the original */ memcpy(©_ks, ks, sizeof(copy_ks)); /* save autoneg out of ksettings */ autoneg = copy_ks.base.autoneg; memset(&safe_ks, 0, sizeof(safe_ks)); /* Get link modes supported by hardware.*/ ice_phy_type_to_ethtool(netdev, &safe_ks); /* and check against modes requested by user. * Return an error if unsupported mode was set. */ if (!bitmap_subset(copy_ks.link_modes.advertising, safe_ks.link_modes.supported, __ETHTOOL_LINK_MODE_MASK_NBITS)) return -EINVAL; /* get our own copy of the bits to check against */ memset(&safe_ks, 0, sizeof(safe_ks)); safe_ks.base.cmd = copy_ks.base.cmd; safe_ks.base.link_mode_masks_nwords = copy_ks.base.link_mode_masks_nwords; ice_get_link_ksettings(netdev, &safe_ks); /* set autoneg back to what it currently is */ copy_ks.base.autoneg = safe_ks.base.autoneg; /* we don't compare the speed */ copy_ks.base.speed = safe_ks.base.speed; /* If copy_ks.base and safe_ks.base are not the same now, then they are * trying to set something that we do not support. */ if (memcmp(©_ks.base, &safe_ks.base, sizeof(copy_ks.base))) return -EOPNOTSUPP; while (test_and_set_bit(__ICE_CFG_BUSY, pf->state)) { timeout--; if (!timeout) return -EBUSY; usleep_range(TEST_SET_BITS_SLEEP_MIN, TEST_SET_BITS_SLEEP_MAX); } abilities = kzalloc(sizeof(*abilities), GFP_KERNEL); if (!abilities) return -ENOMEM; /* Get the current PHY config */ status = ice_aq_get_phy_caps(p, false, ICE_AQC_REPORT_SW_CFG, abilities, NULL); if (status) { err = -EAGAIN; goto done; } /* Copy abilities to config in case autoneg is not set below */ memset(&config, 0, sizeof(config)); config.caps = abilities->caps & ~ICE_AQC_PHY_AN_MODE; if (abilities->caps & ICE_AQC_PHY_AN_MODE) config.caps |= ICE_AQ_PHY_ENA_AUTO_LINK_UPDT; /* Check autoneg */ err = ice_setup_autoneg(p, &safe_ks, &config, autoneg, &autoneg_changed, netdev); if (err) goto done; /* Call to get the current link speed */ p->phy.get_link_info = true; status = ice_get_link_status(p, &linkup); if (status) { err = -EAGAIN; goto done; } curr_link_speed = p->phy.link_info.link_speed; adv_link_speed = ice_ksettings_find_adv_link_speed(ks); /* If speed didn't get set, set it to what it currently is. * This is needed because if advertise is 0 (as it is when autoneg * is disabled) then speed won't get set. */ if (!adv_link_speed) adv_link_speed = curr_link_speed; /* Convert the advertise link speeds to their corresponded PHY_TYPE */ ice_update_phy_type(&phy_type_low, &phy_type_high, adv_link_speed); if (!autoneg_changed && adv_link_speed == curr_link_speed) { netdev_info(netdev, "Nothing changed, exiting without setting anything.\n"); goto done; } /* copy over the rest of the abilities */ config.low_power_ctrl = abilities->low_power_ctrl; config.eee_cap = abilities->eee_cap; config.eeer_value = abilities->eeer_value; config.link_fec_opt = abilities->link_fec_options; /* save the requested speeds */ p->phy.link_info.req_speeds = adv_link_speed; /* set link and auto negotiation so changes take effect */ config.caps |= ICE_AQ_PHY_ENA_LINK; if (phy_type_low || phy_type_high) { config.phy_type_high = cpu_to_le64(phy_type_high) & abilities->phy_type_high; config.phy_type_low = cpu_to_le64(phy_type_low) & abilities->phy_type_low; } else { err = -EAGAIN; netdev_info(netdev, "Nothing changed. No PHY_TYPE is corresponded to advertised link speed.\n"); goto done; } /* If link is up put link down */ if (p->phy.link_info.link_info & ICE_AQ_LINK_UP) { /* Tell the OS link is going down, the link will go * back up when fw says it is ready asynchronously */ ice_print_link_msg(np->vsi, false); netif_carrier_off(netdev); netif_tx_stop_all_queues(netdev); } /* make the aq call */ status = ice_aq_set_phy_cfg(&pf->hw, lport, &config, NULL); if (status) { netdev_info(netdev, "Set phy config failed,\n"); err = -EAGAIN; } done: kfree(abilities); clear_bit(__ICE_CFG_BUSY, pf->state); return err; } /** * ice_parse_hdrs - parses headers from RSS hash input * @nfc: ethtool rxnfc command * * This function parses the rxnfc command and returns intended * header types for RSS configuration */ static u32 ice_parse_hdrs(struct ethtool_rxnfc *nfc) { u32 hdrs = ICE_FLOW_SEG_HDR_NONE; switch (nfc->flow_type) { case TCP_V4_FLOW: hdrs |= ICE_FLOW_SEG_HDR_TCP | ICE_FLOW_SEG_HDR_IPV4; break; case UDP_V4_FLOW: hdrs |= ICE_FLOW_SEG_HDR_UDP | ICE_FLOW_SEG_HDR_IPV4; break; case SCTP_V4_FLOW: hdrs |= ICE_FLOW_SEG_HDR_SCTP | ICE_FLOW_SEG_HDR_IPV4; break; case TCP_V6_FLOW: hdrs |= ICE_FLOW_SEG_HDR_TCP | ICE_FLOW_SEG_HDR_IPV6; break; case UDP_V6_FLOW: hdrs |= ICE_FLOW_SEG_HDR_UDP | ICE_FLOW_SEG_HDR_IPV6; break; case SCTP_V6_FLOW: hdrs |= ICE_FLOW_SEG_HDR_SCTP | ICE_FLOW_SEG_HDR_IPV6; break; default: break; } return hdrs; } #define ICE_FLOW_HASH_FLD_IPV4_SA BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_SA) #define ICE_FLOW_HASH_FLD_IPV6_SA BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_SA) #define ICE_FLOW_HASH_FLD_IPV4_DA BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_DA) #define ICE_FLOW_HASH_FLD_IPV6_DA BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_DA) #define ICE_FLOW_HASH_FLD_TCP_SRC_PORT BIT_ULL(ICE_FLOW_FIELD_IDX_TCP_SRC_PORT) #define ICE_FLOW_HASH_FLD_TCP_DST_PORT BIT_ULL(ICE_FLOW_FIELD_IDX_TCP_DST_PORT) #define ICE_FLOW_HASH_FLD_UDP_SRC_PORT BIT_ULL(ICE_FLOW_FIELD_IDX_UDP_SRC_PORT) #define ICE_FLOW_HASH_FLD_UDP_DST_PORT BIT_ULL(ICE_FLOW_FIELD_IDX_UDP_DST_PORT) #define ICE_FLOW_HASH_FLD_SCTP_SRC_PORT \ BIT_ULL(ICE_FLOW_FIELD_IDX_SCTP_SRC_PORT) #define ICE_FLOW_HASH_FLD_SCTP_DST_PORT \ BIT_ULL(ICE_FLOW_FIELD_IDX_SCTP_DST_PORT) /** * ice_parse_hash_flds - parses hash fields from RSS hash input * @nfc: ethtool rxnfc command * * This function parses the rxnfc command and returns intended * hash fields for RSS configuration */ static u64 ice_parse_hash_flds(struct ethtool_rxnfc *nfc) { u64 hfld = ICE_HASH_INVALID; if (nfc->data & RXH_IP_SRC || nfc->data & RXH_IP_DST) { switch (nfc->flow_type) { case TCP_V4_FLOW: case UDP_V4_FLOW: case SCTP_V4_FLOW: if (nfc->data & RXH_IP_SRC) hfld |= ICE_FLOW_HASH_FLD_IPV4_SA; if (nfc->data & RXH_IP_DST) hfld |= ICE_FLOW_HASH_FLD_IPV4_DA; break; case TCP_V6_FLOW: case UDP_V6_FLOW: case SCTP_V6_FLOW: if (nfc->data & RXH_IP_SRC) hfld |= ICE_FLOW_HASH_FLD_IPV6_SA; if (nfc->data & RXH_IP_DST) hfld |= ICE_FLOW_HASH_FLD_IPV6_DA; break; default: break; } } if (nfc->data & RXH_L4_B_0_1 || nfc->data & RXH_L4_B_2_3) { switch (nfc->flow_type) { case TCP_V4_FLOW: case TCP_V6_FLOW: if (nfc->data & RXH_L4_B_0_1) hfld |= ICE_FLOW_HASH_FLD_TCP_SRC_PORT; if (nfc->data & RXH_L4_B_2_3) hfld |= ICE_FLOW_HASH_FLD_TCP_DST_PORT; break; case UDP_V4_FLOW: case UDP_V6_FLOW: if (nfc->data & RXH_L4_B_0_1) hfld |= ICE_FLOW_HASH_FLD_UDP_SRC_PORT; if (nfc->data & RXH_L4_B_2_3) hfld |= ICE_FLOW_HASH_FLD_UDP_DST_PORT; break; case SCTP_V4_FLOW: case SCTP_V6_FLOW: if (nfc->data & RXH_L4_B_0_1) hfld |= ICE_FLOW_HASH_FLD_SCTP_SRC_PORT; if (nfc->data & RXH_L4_B_2_3) hfld |= ICE_FLOW_HASH_FLD_SCTP_DST_PORT; break; default: break; } } return hfld; } /** * ice_set_rss_hash_opt - Enable/Disable flow types for RSS hash * @vsi: the VSI being configured * @nfc: ethtool rxnfc command * * Returns Success if the flow input set is supported. */ static int ice_set_rss_hash_opt(struct ice_vsi *vsi, struct ethtool_rxnfc *nfc) { struct ice_pf *pf = vsi->back; enum ice_status status; struct device *dev; u64 hashed_flds; u32 hdrs; dev = ice_pf_to_dev(pf); if (ice_is_safe_mode(pf)) { dev_dbg(dev, "Advanced RSS disabled. Package download failed, vsi num = %d\n", vsi->vsi_num); return -EINVAL; } hashed_flds = ice_parse_hash_flds(nfc); if (hashed_flds == ICE_HASH_INVALID) { dev_dbg(dev, "Invalid hash fields, vsi num = %d\n", vsi->vsi_num); return -EINVAL; } hdrs = ice_parse_hdrs(nfc); if (hdrs == ICE_FLOW_SEG_HDR_NONE) { dev_dbg(dev, "Header type is not valid, vsi num = %d\n", vsi->vsi_num); return -EINVAL; } status = ice_add_rss_cfg(&pf->hw, vsi->idx, hashed_flds, hdrs); if (status) { dev_dbg(dev, "ice_add_rss_cfg failed, vsi num = %d, error = %s\n", vsi->vsi_num, ice_stat_str(status)); return -EINVAL; } return 0; } /** * ice_get_rss_hash_opt - Retrieve hash fields for a given flow-type * @vsi: the VSI being configured * @nfc: ethtool rxnfc command */ static void ice_get_rss_hash_opt(struct ice_vsi *vsi, struct ethtool_rxnfc *nfc) { struct ice_pf *pf = vsi->back; struct device *dev; u64 hash_flds; u32 hdrs; dev = ice_pf_to_dev(pf); nfc->data = 0; if (ice_is_safe_mode(pf)) { dev_dbg(dev, "Advanced RSS disabled. Package download failed, vsi num = %d\n", vsi->vsi_num); return; } hdrs = ice_parse_hdrs(nfc); if (hdrs == ICE_FLOW_SEG_HDR_NONE) { dev_dbg(dev, "Header type is not valid, vsi num = %d\n", vsi->vsi_num); return; } hash_flds = ice_get_rss_cfg(&pf->hw, vsi->idx, hdrs); if (hash_flds == ICE_HASH_INVALID) { dev_dbg(dev, "No hash fields found for the given header type, vsi num = %d\n", vsi->vsi_num); return; } if (hash_flds & ICE_FLOW_HASH_FLD_IPV4_SA || hash_flds & ICE_FLOW_HASH_FLD_IPV6_SA) nfc->data |= (u64)RXH_IP_SRC; if (hash_flds & ICE_FLOW_HASH_FLD_IPV4_DA || hash_flds & ICE_FLOW_HASH_FLD_IPV6_DA) nfc->data |= (u64)RXH_IP_DST; if (hash_flds & ICE_FLOW_HASH_FLD_TCP_SRC_PORT || hash_flds & ICE_FLOW_HASH_FLD_UDP_SRC_PORT || hash_flds & ICE_FLOW_HASH_FLD_SCTP_SRC_PORT) nfc->data |= (u64)RXH_L4_B_0_1; if (hash_flds & ICE_FLOW_HASH_FLD_TCP_DST_PORT || hash_flds & ICE_FLOW_HASH_FLD_UDP_DST_PORT || hash_flds & ICE_FLOW_HASH_FLD_SCTP_DST_PORT) nfc->data |= (u64)RXH_L4_B_2_3; } /** * ice_set_rxnfc - command to set Rx flow rules. * @netdev: network interface device structure * @cmd: ethtool rxnfc command * * Returns 0 for success and negative values for errors */ static int ice_set_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd) { struct ice_netdev_priv *np = netdev_priv(netdev); struct ice_vsi *vsi = np->vsi; switch (cmd->cmd) { case ETHTOOL_SRXCLSRLINS: return ice_add_fdir_ethtool(vsi, cmd); case ETHTOOL_SRXCLSRLDEL: return ice_del_fdir_ethtool(vsi, cmd); case ETHTOOL_SRXFH: return ice_set_rss_hash_opt(vsi, cmd); default: break; } return -EOPNOTSUPP; } /** * ice_get_rxnfc - command to get Rx flow classification rules * @netdev: network interface device structure * @cmd: ethtool rxnfc command * @rule_locs: buffer to rturn Rx flow classification rules * * Returns Success if the command is supported. */ static int ice_get_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd, u32 __always_unused *rule_locs) { struct ice_netdev_priv *np = netdev_priv(netdev); struct ice_vsi *vsi = np->vsi; int ret = -EOPNOTSUPP; struct ice_hw *hw; hw = &vsi->back->hw; switch (cmd->cmd) { case ETHTOOL_GRXRINGS: cmd->data = vsi->rss_size; ret = 0; break; case ETHTOOL_GRXCLSRLCNT: cmd->rule_cnt = hw->fdir_active_fltr; /* report total rule count */ cmd->data = ice_get_fdir_cnt_all(hw); ret = 0; break; case ETHTOOL_GRXCLSRULE: ret = ice_get_ethtool_fdir_entry(hw, cmd); break; case ETHTOOL_GRXCLSRLALL: ret = ice_get_fdir_fltr_ids(hw, cmd, (u32 *)rule_locs); break; case ETHTOOL_GRXFH: ice_get_rss_hash_opt(vsi, cmd); ret = 0; break; default: break; } return ret; } static void ice_get_ringparam(struct net_device *netdev, struct ethtool_ringparam *ring) { struct ice_netdev_priv *np = netdev_priv(netdev); struct ice_vsi *vsi = np->vsi; ring->rx_max_pending = ICE_MAX_NUM_DESC; ring->tx_max_pending = ICE_MAX_NUM_DESC; ring->rx_pending = vsi->rx_rings[0]->count; ring->tx_pending = vsi->tx_rings[0]->count; /* Rx mini and jumbo rings are not supported */ ring->rx_mini_max_pending = 0; ring->rx_jumbo_max_pending = 0; ring->rx_mini_pending = 0; ring->rx_jumbo_pending = 0; } static int ice_set_ringparam(struct net_device *netdev, struct ethtool_ringparam *ring) { struct ice_ring *tx_rings = NULL, *rx_rings = NULL; struct ice_netdev_priv *np = netdev_priv(netdev); struct ice_ring *xdp_rings = NULL; struct ice_vsi *vsi = np->vsi; struct ice_pf *pf = vsi->back; int i, timeout = 50, err = 0; u16 new_rx_cnt, new_tx_cnt; if (ring->tx_pending > ICE_MAX_NUM_DESC || ring->tx_pending < ICE_MIN_NUM_DESC || ring->rx_pending > ICE_MAX_NUM_DESC || ring->rx_pending < ICE_MIN_NUM_DESC) { netdev_err(netdev, "Descriptors requested (Tx: %d / Rx: %d) out of range [%d-%d] (increment %d)\n", ring->tx_pending, ring->rx_pending, ICE_MIN_NUM_DESC, ICE_MAX_NUM_DESC, ICE_REQ_DESC_MULTIPLE); return -EINVAL; } new_tx_cnt = ALIGN(ring->tx_pending, ICE_REQ_DESC_MULTIPLE); if (new_tx_cnt != ring->tx_pending) netdev_info(netdev, "Requested Tx descriptor count rounded up to %d\n", new_tx_cnt); new_rx_cnt = ALIGN(ring->rx_pending, ICE_REQ_DESC_MULTIPLE); if (new_rx_cnt != ring->rx_pending) netdev_info(netdev, "Requested Rx descriptor count rounded up to %d\n", new_rx_cnt); /* if nothing to do return success */ if (new_tx_cnt == vsi->tx_rings[0]->count && new_rx_cnt == vsi->rx_rings[0]->count) { netdev_dbg(netdev, "Nothing to change, descriptor count is same as requested\n"); return 0; } /* If there is a AF_XDP UMEM attached to any of Rx rings, * disallow changing the number of descriptors -- regardless * if the netdev is running or not. */ if (ice_xsk_any_rx_ring_ena(vsi)) return -EBUSY; while (test_and_set_bit(__ICE_CFG_BUSY, pf->state)) { timeout--; if (!timeout) return -EBUSY; usleep_range(1000, 2000); } /* set for the next time the netdev is started */ if (!netif_running(vsi->netdev)) { for (i = 0; i < vsi->alloc_txq; i++) vsi->tx_rings[i]->count = new_tx_cnt; for (i = 0; i < vsi->alloc_rxq; i++) vsi->rx_rings[i]->count = new_rx_cnt; if (ice_is_xdp_ena_vsi(vsi)) for (i = 0; i < vsi->num_xdp_txq; i++) vsi->xdp_rings[i]->count = new_tx_cnt; vsi->num_tx_desc = (u16)new_tx_cnt; vsi->num_rx_desc = (u16)new_rx_cnt; netdev_dbg(netdev, "Link is down, descriptor count change happens when link is brought up\n"); goto done; } if (new_tx_cnt == vsi->tx_rings[0]->count) goto process_rx; /* alloc updated Tx resources */ netdev_info(netdev, "Changing Tx descriptor count from %d to %d\n", vsi->tx_rings[0]->count, new_tx_cnt); tx_rings = kcalloc(vsi->num_txq, sizeof(*tx_rings), GFP_KERNEL); if (!tx_rings) { err = -ENOMEM; goto done; } ice_for_each_txq(vsi, i) { /* clone ring and setup updated count */ tx_rings[i] = *vsi->tx_rings[i]; tx_rings[i].count = new_tx_cnt; tx_rings[i].desc = NULL; tx_rings[i].tx_buf = NULL; err = ice_setup_tx_ring(&tx_rings[i]); if (err) { while (i--) ice_clean_tx_ring(&tx_rings[i]); kfree(tx_rings); goto done; } } if (!ice_is_xdp_ena_vsi(vsi)) goto process_rx; /* alloc updated XDP resources */ netdev_info(netdev, "Changing XDP descriptor count from %d to %d\n", vsi->xdp_rings[0]->count, new_tx_cnt); xdp_rings = kcalloc(vsi->num_xdp_txq, sizeof(*xdp_rings), GFP_KERNEL); if (!xdp_rings) { err = -ENOMEM; goto free_tx; } for (i = 0; i < vsi->num_xdp_txq; i++) { /* clone ring and setup updated count */ xdp_rings[i] = *vsi->xdp_rings[i]; xdp_rings[i].count = new_tx_cnt; xdp_rings[i].desc = NULL; xdp_rings[i].tx_buf = NULL; err = ice_setup_tx_ring(&xdp_rings[i]); if (err) { while (i--) ice_clean_tx_ring(&xdp_rings[i]); kfree(xdp_rings); goto free_tx; } ice_set_ring_xdp(&xdp_rings[i]); } process_rx: if (new_rx_cnt == vsi->rx_rings[0]->count) goto process_link; /* alloc updated Rx resources */ netdev_info(netdev, "Changing Rx descriptor count from %d to %d\n", vsi->rx_rings[0]->count, new_rx_cnt); rx_rings = kcalloc(vsi->num_rxq, sizeof(*rx_rings), GFP_KERNEL); if (!rx_rings) { err = -ENOMEM; goto done; } ice_for_each_rxq(vsi, i) { /* clone ring and setup updated count */ rx_rings[i] = *vsi->rx_rings[i]; rx_rings[i].count = new_rx_cnt; rx_rings[i].desc = NULL; rx_rings[i].rx_buf = NULL; /* this is to allow wr32 to have something to write to * during early allocation of Rx buffers */ rx_rings[i].tail = vsi->back->hw.hw_addr + PRTGEN_STATUS; err = ice_setup_rx_ring(&rx_rings[i]); if (err) goto rx_unwind; /* allocate Rx buffers */ err = ice_alloc_rx_bufs(&rx_rings[i], ICE_DESC_UNUSED(&rx_rings[i])); rx_unwind: if (err) { while (i) { i--; ice_free_rx_ring(&rx_rings[i]); } kfree(rx_rings); err = -ENOMEM; goto free_tx; } } process_link: /* Bring interface down, copy in the new ring info, then restore the * interface. if VSI is up, bring it down and then back up */ if (!test_and_set_bit(__ICE_DOWN, vsi->state)) { ice_down(vsi); if (tx_rings) { ice_for_each_txq(vsi, i) { ice_free_tx_ring(vsi->tx_rings[i]); *vsi->tx_rings[i] = tx_rings[i]; } kfree(tx_rings); } if (rx_rings) { ice_for_each_rxq(vsi, i) { ice_free_rx_ring(vsi->rx_rings[i]); /* copy the real tail offset */ rx_rings[i].tail = vsi->rx_rings[i]->tail; /* this is to fake out the allocation routine * into thinking it has to realloc everything * but the recycling logic will let us re-use * the buffers allocated above */ rx_rings[i].next_to_use = 0; rx_rings[i].next_to_clean = 0; rx_rings[i].next_to_alloc = 0; *vsi->rx_rings[i] = rx_rings[i]; } kfree(rx_rings); } if (xdp_rings) { for (i = 0; i < vsi->num_xdp_txq; i++) { ice_free_tx_ring(vsi->xdp_rings[i]); *vsi->xdp_rings[i] = xdp_rings[i]; } kfree(xdp_rings); } vsi->num_tx_desc = new_tx_cnt; vsi->num_rx_desc = new_rx_cnt; ice_up(vsi); } goto done; free_tx: /* error cleanup if the Rx allocations failed after getting Tx */ if (tx_rings) { ice_for_each_txq(vsi, i) ice_free_tx_ring(&tx_rings[i]); kfree(tx_rings); } done: clear_bit(__ICE_CFG_BUSY, pf->state); return err; } /** * ice_get_pauseparam - Get Flow Control status * @netdev: network interface device structure * @pause: ethernet pause (flow control) parameters * * Get requested flow control status from PHY capability. * If autoneg is true, then ethtool will send the ETHTOOL_GSET ioctl which * is handled by ice_get_link_ksettings. ice_get_link_ksettings will report * the negotiated Rx/Tx pause via lp_advertising. */ static void ice_get_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *pause) { struct ice_netdev_priv *np = netdev_priv(netdev); struct ice_port_info *pi = np->vsi->port_info; struct ice_aqc_get_phy_caps_data *pcaps; struct ice_dcbx_cfg *dcbx_cfg; enum ice_status status; /* Initialize pause params */ pause->rx_pause = 0; pause->tx_pause = 0; dcbx_cfg = &pi->local_dcbx_cfg; pcaps = kzalloc(sizeof(*pcaps), GFP_KERNEL); if (!pcaps) return; /* Get current PHY config */ status = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_SW_CFG, pcaps, NULL); if (status) goto out; pause->autoneg = ((pcaps->caps & ICE_AQC_PHY_AN_MODE) ? AUTONEG_ENABLE : AUTONEG_DISABLE); if (dcbx_cfg->pfc.pfcena) /* PFC enabled so report LFC as off */ goto out; if (pcaps->caps & ICE_AQC_PHY_EN_TX_LINK_PAUSE) pause->tx_pause = 1; if (pcaps->caps & ICE_AQC_PHY_EN_RX_LINK_PAUSE) pause->rx_pause = 1; out: kfree(pcaps); } /** * ice_set_pauseparam - Set Flow Control parameter * @netdev: network interface device structure * @pause: return Tx/Rx flow control status */ static int ice_set_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *pause) { struct ice_netdev_priv *np = netdev_priv(netdev); struct ice_aqc_get_phy_caps_data *pcaps; struct ice_link_status *hw_link_info; struct ice_pf *pf = np->vsi->back; struct ice_dcbx_cfg *dcbx_cfg; struct ice_vsi *vsi = np->vsi; struct ice_hw *hw = &pf->hw; struct ice_port_info *pi; enum ice_status status; u8 aq_failures; bool link_up; int err = 0; u32 is_an; pi = vsi->port_info; hw_link_info = &pi->phy.link_info; dcbx_cfg = &pi->local_dcbx_cfg; link_up = hw_link_info->link_info & ICE_AQ_LINK_UP; /* Changing the port's flow control is not supported if this isn't the * PF VSI */ if (vsi->type != ICE_VSI_PF) { netdev_info(netdev, "Changing flow control parameters only supported for PF VSI\n"); return -EOPNOTSUPP; } /* Get pause param reports configured and negotiated flow control pause * when ETHTOOL_GLINKSETTINGS is defined. Since ETHTOOL_GLINKSETTINGS is * defined get pause param pause->autoneg reports SW configured setting, * so compare pause->autoneg with SW configured to prevent the user from * using set pause param to chance autoneg. */ pcaps = kzalloc(sizeof(*pcaps), GFP_KERNEL); if (!pcaps) return -ENOMEM; /* Get current PHY config */ status = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_SW_CFG, pcaps, NULL); if (status) { kfree(pcaps); return -EIO; } is_an = ((pcaps->caps & ICE_AQC_PHY_AN_MODE) ? AUTONEG_ENABLE : AUTONEG_DISABLE); kfree(pcaps); if (pause->autoneg != is_an) { netdev_info(netdev, "To change autoneg please use: ethtool -s <dev> autoneg <on|off>\n"); return -EOPNOTSUPP; } /* If we have link and don't have autoneg */ if (!test_bit(__ICE_DOWN, pf->state) && !(hw_link_info->an_info & ICE_AQ_AN_COMPLETED)) { /* Send message that it might not necessarily work*/ netdev_info(netdev, "Autoneg did not complete so changing settings may not result in an actual change.\n"); } if (dcbx_cfg->pfc.pfcena) { netdev_info(netdev, "Priority flow control enabled. Cannot set link flow control.\n"); return -EOPNOTSUPP; } if (pause->rx_pause && pause->tx_pause) pi->fc.req_mode = ICE_FC_FULL; else if (pause->rx_pause && !pause->tx_pause) pi->fc.req_mode = ICE_FC_RX_PAUSE; else if (!pause->rx_pause && pause->tx_pause) pi->fc.req_mode = ICE_FC_TX_PAUSE; else if (!pause->rx_pause && !pause->tx_pause) pi->fc.req_mode = ICE_FC_NONE; else return -EINVAL; /* Set the FC mode and only restart AN if link is up */ status = ice_set_fc(pi, &aq_failures, link_up); if (aq_failures & ICE_SET_FC_AQ_FAIL_GET) { netdev_info(netdev, "Set fc failed on the get_phy_capabilities call with err %s aq_err %s\n", ice_stat_str(status), ice_aq_str(hw->adminq.sq_last_status)); err = -EAGAIN; } else if (aq_failures & ICE_SET_FC_AQ_FAIL_SET) { netdev_info(netdev, "Set fc failed on the set_phy_config call with err %s aq_err %s\n", ice_stat_str(status), ice_aq_str(hw->adminq.sq_last_status)); err = -EAGAIN; } else if (aq_failures & ICE_SET_FC_AQ_FAIL_UPDATE) { netdev_info(netdev, "Set fc failed on the get_link_info call with err %s aq_err %s\n", ice_stat_str(status), ice_aq_str(hw->adminq.sq_last_status)); err = -EAGAIN; } return err; } /** * ice_get_rxfh_key_size - get the RSS hash key size * @netdev: network interface device structure * * Returns the table size. */ static u32 ice_get_rxfh_key_size(struct net_device __always_unused *netdev) { return ICE_VSIQF_HKEY_ARRAY_SIZE; } /** * ice_get_rxfh_indir_size - get the Rx flow hash indirection table size * @netdev: network interface device structure * * Returns the table size. */ static u32 ice_get_rxfh_indir_size(struct net_device *netdev) { struct ice_netdev_priv *np = netdev_priv(netdev); return np->vsi->rss_table_size; } /** * ice_get_rxfh - get the Rx flow hash indirection table * @netdev: network interface device structure * @indir: indirection table * @key: hash key * @hfunc: hash function * * Reads the indirection table directly from the hardware. */ static int ice_get_rxfh(struct net_device *netdev, u32 *indir, u8 *key, u8 *hfunc) { struct ice_netdev_priv *np = netdev_priv(netdev); struct ice_vsi *vsi = np->vsi; struct ice_pf *pf = vsi->back; int ret = 0, i; u8 *lut; if (hfunc) *hfunc = ETH_RSS_HASH_TOP; if (!indir) return 0; if (!test_bit(ICE_FLAG_RSS_ENA, pf->flags)) { /* RSS not supported return error here */ netdev_warn(netdev, "RSS is not configured on this VSI!\n"); return -EIO; } lut = kzalloc(vsi->rss_table_size, GFP_KERNEL); if (!lut) return -ENOMEM; if (ice_get_rss(vsi, key, lut, vsi->rss_table_size)) { ret = -EIO; goto out; } for (i = 0; i < vsi->rss_table_size; i++) indir[i] = (u32)(lut[i]); out: kfree(lut); return ret; } /** * ice_set_rxfh - set the Rx flow hash indirection table * @netdev: network interface device structure * @indir: indirection table * @key: hash key * @hfunc: hash function * * Returns -EINVAL if the table specifies an invalid queue ID, otherwise * returns 0 after programming the table. */ static int ice_set_rxfh(struct net_device *netdev, const u32 *indir, const u8 *key, const u8 hfunc) { struct ice_netdev_priv *np = netdev_priv(netdev); struct ice_vsi *vsi = np->vsi; struct ice_pf *pf = vsi->back; struct device *dev; u8 *seed = NULL; dev = ice_pf_to_dev(pf); if (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP) return -EOPNOTSUPP; if (!test_bit(ICE_FLAG_RSS_ENA, pf->flags)) { /* RSS not supported return error here */ netdev_warn(netdev, "RSS is not configured on this VSI!\n"); return -EIO; } if (key) { if (!vsi->rss_hkey_user) { vsi->rss_hkey_user = devm_kzalloc(dev, ICE_VSIQF_HKEY_ARRAY_SIZE, GFP_KERNEL); if (!vsi->rss_hkey_user) return -ENOMEM; } memcpy(vsi->rss_hkey_user, key, ICE_VSIQF_HKEY_ARRAY_SIZE); seed = vsi->rss_hkey_user; } if (!vsi->rss_lut_user) { vsi->rss_lut_user = devm_kzalloc(dev, vsi->rss_table_size, GFP_KERNEL); if (!vsi->rss_lut_user) return -ENOMEM; } /* Each 32 bits pointed by 'indir' is stored with a lut entry */ if (indir) { int i; for (i = 0; i < vsi->rss_table_size; i++) vsi->rss_lut_user[i] = (u8)(indir[i]); } else { ice_fill_rss_lut(vsi->rss_lut_user, vsi->rss_table_size, vsi->rss_size); } if (ice_set_rss(vsi, seed, vsi->rss_lut_user, vsi->rss_table_size)) return -EIO; return 0; } /** * ice_get_max_txq - return the maximum number of Tx queues for in a PF * @pf: PF structure */ static int ice_get_max_txq(struct ice_pf *pf) { return min_t(int, num_online_cpus(), pf->hw.func_caps.common_cap.num_txq); } /** * ice_get_max_rxq - return the maximum number of Rx queues for in a PF * @pf: PF structure */ static int ice_get_max_rxq(struct ice_pf *pf) { return min_t(int, num_online_cpus(), pf->hw.func_caps.common_cap.num_rxq); } /** * ice_get_combined_cnt - return the current number of combined channels * @vsi: PF VSI pointer * * Go through all queue vectors and count ones that have both Rx and Tx ring * attached */ static u32 ice_get_combined_cnt(struct ice_vsi *vsi) { u32 combined = 0; int q_idx; ice_for_each_q_vector(vsi, q_idx) { struct ice_q_vector *q_vector = vsi->q_vectors[q_idx]; if (q_vector->rx.ring && q_vector->tx.ring) combined++; } return combined; } /** * ice_get_channels - get the current and max supported channels * @dev: network interface device structure * @ch: ethtool channel data structure */ static void ice_get_channels(struct net_device *dev, struct ethtool_channels *ch) { struct ice_netdev_priv *np = netdev_priv(dev); struct ice_vsi *vsi = np->vsi; struct ice_pf *pf = vsi->back; /* report maximum channels */ ch->max_rx = ice_get_max_rxq(pf); ch->max_tx = ice_get_max_txq(pf); ch->max_combined = min_t(int, ch->max_rx, ch->max_tx); /* report current channels */ ch->combined_count = ice_get_combined_cnt(vsi); ch->rx_count = vsi->num_rxq - ch->combined_count; ch->tx_count = vsi->num_txq - ch->combined_count; /* report other queues */ ch->other_count = test_bit(ICE_FLAG_FD_ENA, pf->flags) ? 1 : 0; ch->max_other = ch->other_count; } /** * ice_vsi_set_dflt_rss_lut - set default RSS LUT with requested RSS size * @vsi: VSI to reconfigure RSS LUT on * @req_rss_size: requested range of queue numbers for hashing * * Set the VSI's RSS parameters, configure the RSS LUT based on these. */ static int ice_vsi_set_dflt_rss_lut(struct ice_vsi *vsi, int req_rss_size) { struct ice_pf *pf = vsi->back; enum ice_status status; struct device *dev; struct ice_hw *hw; int err = 0; u8 *lut; dev = ice_pf_to_dev(pf); hw = &pf->hw; if (!req_rss_size) return -EINVAL; lut = kzalloc(vsi->rss_table_size, GFP_KERNEL); if (!lut) return -ENOMEM; /* set RSS LUT parameters */ if (!test_bit(ICE_FLAG_RSS_ENA, pf->flags)) { vsi->rss_size = 1; } else { struct ice_hw_common_caps *caps = &hw->func_caps.common_cap; vsi->rss_size = min_t(int, req_rss_size, BIT(caps->rss_table_entry_width)); } /* create/set RSS LUT */ ice_fill_rss_lut(lut, vsi->rss_table_size, vsi->rss_size); status = ice_aq_set_rss_lut(hw, vsi->idx, vsi->rss_lut_type, lut, vsi->rss_table_size); if (status) { dev_err(dev, "Cannot set RSS lut, err %s aq_err %s\n", ice_stat_str(status), ice_aq_str(hw->adminq.sq_last_status)); err = -EIO; } kfree(lut); return err; } /** * ice_set_channels - set the number channels * @dev: network interface device structure * @ch: ethtool channel data structure */ static int ice_set_channels(struct net_device *dev, struct ethtool_channels *ch) { struct ice_netdev_priv *np = netdev_priv(dev); struct ice_vsi *vsi = np->vsi; struct ice_pf *pf = vsi->back; int new_rx = 0, new_tx = 0; u32 curr_combined; /* do not support changing channels in Safe Mode */ if (ice_is_safe_mode(pf)) { netdev_err(dev, "Changing channel in Safe Mode is not supported\n"); return -EOPNOTSUPP; } /* do not support changing other_count */ if (ch->other_count != (test_bit(ICE_FLAG_FD_ENA, pf->flags) ? 1U : 0U)) return -EINVAL; if (test_bit(ICE_FLAG_FD_ENA, pf->flags) && pf->hw.fdir_active_fltr) { netdev_err(dev, "Cannot set channels when Flow Director filters are active\n"); return -EOPNOTSUPP; } curr_combined = ice_get_combined_cnt(vsi); /* these checks are for cases where user didn't specify a particular * value on cmd line but we get non-zero value anyway via * get_channels(); look at ethtool.c in ethtool repository (the user * space part), particularly, do_schannels() routine */ if (ch->rx_count == vsi->num_rxq - curr_combined) ch->rx_count = 0; if (ch->tx_count == vsi->num_txq - curr_combined) ch->tx_count = 0; if (ch->combined_count == curr_combined) ch->combined_count = 0; if (!(ch->combined_count || (ch->rx_count && ch->tx_count))) { netdev_err(dev, "Please specify at least 1 Rx and 1 Tx channel\n"); return -EINVAL; } new_rx = ch->combined_count + ch->rx_count; new_tx = ch->combined_count + ch->tx_count; if (new_rx > ice_get_max_rxq(pf)) { netdev_err(dev, "Maximum allowed Rx channels is %d\n", ice_get_max_rxq(pf)); return -EINVAL; } if (new_tx > ice_get_max_txq(pf)) { netdev_err(dev, "Maximum allowed Tx channels is %d\n", ice_get_max_txq(pf)); return -EINVAL; } ice_vsi_recfg_qs(vsi, new_rx, new_tx); if (new_rx && !netif_is_rxfh_configured(dev)) return ice_vsi_set_dflt_rss_lut(vsi, new_rx); return 0; } enum ice_container_type { ICE_RX_CONTAINER, ICE_TX_CONTAINER, }; /** * ice_get_rc_coalesce - get ITR values for specific ring container * @ec: ethtool structure to fill with driver's coalesce settings * @c_type: container type, Rx or Tx * @rc: ring container that the ITR values will come from * * Query the device for ice_ring_container specific ITR values. This is * done per ice_ring_container because each q_vector can have 1 or more rings * and all of said ring(s) will have the same ITR values. * * Returns 0 on success, negative otherwise. */ static int ice_get_rc_coalesce(struct ethtool_coalesce *ec, enum ice_container_type c_type, struct ice_ring_container *rc) { struct ice_pf *pf; if (!rc->ring) return -EINVAL; pf = rc->ring->vsi->back; switch (c_type) { case ICE_RX_CONTAINER: ec->use_adaptive_rx_coalesce = ITR_IS_DYNAMIC(rc->itr_setting); ec->rx_coalesce_usecs = rc->itr_setting & ~ICE_ITR_DYNAMIC; ec->rx_coalesce_usecs_high = rc->ring->q_vector->intrl; break; case ICE_TX_CONTAINER: ec->use_adaptive_tx_coalesce = ITR_IS_DYNAMIC(rc->itr_setting); ec->tx_coalesce_usecs = rc->itr_setting & ~ICE_ITR_DYNAMIC; break; default: dev_dbg(ice_pf_to_dev(pf), "Invalid c_type %d\n", c_type); return -EINVAL; } return 0; } /** * ice_get_q_coalesce - get a queue's ITR/INTRL (coalesce) settings * @vsi: VSI associated to the queue for getting ITR/INTRL (coalesce) settings * @ec: coalesce settings to program the device with * @q_num: update ITR/INTRL (coalesce) settings for this queue number/index * * Return 0 on success, and negative under the following conditions: * 1. Getting Tx or Rx ITR/INTRL (coalesce) settings failed. * 2. The q_num passed in is not a valid number/index for Tx and Rx rings. */ static int ice_get_q_coalesce(struct ice_vsi *vsi, struct ethtool_coalesce *ec, int q_num) { if (q_num < vsi->num_rxq && q_num < vsi->num_txq) { if (ice_get_rc_coalesce(ec, ICE_RX_CONTAINER, &vsi->rx_rings[q_num]->q_vector->rx)) return -EINVAL; if (ice_get_rc_coalesce(ec, ICE_TX_CONTAINER, &vsi->tx_rings[q_num]->q_vector->tx)) return -EINVAL; } else if (q_num < vsi->num_rxq) { if (ice_get_rc_coalesce(ec, ICE_RX_CONTAINER, &vsi->rx_rings[q_num]->q_vector->rx)) return -EINVAL; } else if (q_num < vsi->num_txq) { if (ice_get_rc_coalesce(ec, ICE_TX_CONTAINER, &vsi->tx_rings[q_num]->q_vector->tx)) return -EINVAL; } else { return -EINVAL; } return 0; } /** * __ice_get_coalesce - get ITR/INTRL values for the device * @netdev: pointer to the netdev associated with this query * @ec: ethtool structure to fill with driver's coalesce settings * @q_num: queue number to get the coalesce settings for * * If the caller passes in a negative q_num then we return coalesce settings * based on queue number 0, else use the actual q_num passed in. */ static int __ice_get_coalesce(struct net_device *netdev, struct ethtool_coalesce *ec, int q_num) { struct ice_netdev_priv *np = netdev_priv(netdev); struct ice_vsi *vsi = np->vsi; if (q_num < 0) q_num = 0; if (ice_get_q_coalesce(vsi, ec, q_num)) return -EINVAL; return 0; } static int ice_get_coalesce(struct net_device *netdev, struct ethtool_coalesce *ec) { return __ice_get_coalesce(netdev, ec, -1); } static int ice_get_per_q_coalesce(struct net_device *netdev, u32 q_num, struct ethtool_coalesce *ec) { return __ice_get_coalesce(netdev, ec, q_num); } /** * ice_set_rc_coalesce - set ITR values for specific ring container * @c_type: container type, Rx or Tx * @ec: ethtool structure from user to update ITR settings * @rc: ring container that the ITR values will come from * @vsi: VSI associated to the ring container * * Set specific ITR values. This is done per ice_ring_container because each * q_vector can have 1 or more rings and all of said ring(s) will have the same * ITR values. * * Returns 0 on success, negative otherwise. */ static int ice_set_rc_coalesce(enum ice_container_type c_type, struct ethtool_coalesce *ec, struct ice_ring_container *rc, struct ice_vsi *vsi) { const char *c_type_str = (c_type == ICE_RX_CONTAINER) ? "rx" : "tx"; u32 use_adaptive_coalesce, coalesce_usecs; struct ice_pf *pf = vsi->back; u16 itr_setting; if (!rc->ring) return -EINVAL; switch (c_type) { case ICE_RX_CONTAINER: if (ec->rx_coalesce_usecs_high > ICE_MAX_INTRL || (ec->rx_coalesce_usecs_high && ec->rx_coalesce_usecs_high < pf->hw.intrl_gran)) { netdev_info(vsi->netdev, "Invalid value, %s-usecs-high valid values are 0 (disabled), %d-%d\n", c_type_str, pf->hw.intrl_gran, ICE_MAX_INTRL); return -EINVAL; } if (ec->rx_coalesce_usecs_high != rc->ring->q_vector->intrl) { rc->ring->q_vector->intrl = ec->rx_coalesce_usecs_high; wr32(&pf->hw, GLINT_RATE(rc->ring->q_vector->reg_idx), ice_intrl_usec_to_reg(ec->rx_coalesce_usecs_high, pf->hw.intrl_gran)); } use_adaptive_coalesce = ec->use_adaptive_rx_coalesce; coalesce_usecs = ec->rx_coalesce_usecs; break; case ICE_TX_CONTAINER: use_adaptive_coalesce = ec->use_adaptive_tx_coalesce; coalesce_usecs = ec->tx_coalesce_usecs; break; default: dev_dbg(ice_pf_to_dev(pf), "Invalid container type %d\n", c_type); return -EINVAL; } itr_setting = rc->itr_setting & ~ICE_ITR_DYNAMIC; if (coalesce_usecs != itr_setting && use_adaptive_coalesce) { netdev_info(vsi->netdev, "%s interrupt throttling cannot be changed if adaptive-%s is enabled\n", c_type_str, c_type_str); return -EINVAL; } if (coalesce_usecs > ICE_ITR_MAX) { netdev_info(vsi->netdev, "Invalid value, %s-usecs range is 0-%d\n", c_type_str, ICE_ITR_MAX); return -EINVAL; } if (use_adaptive_coalesce) { rc->itr_setting |= ICE_ITR_DYNAMIC; } else { /* save the user set usecs */ rc->itr_setting = coalesce_usecs; /* device ITR granularity is in 2 usec increments */ rc->target_itr = ITR_REG_ALIGN(rc->itr_setting); } return 0; } /** * ice_set_q_coalesce - set a queue's ITR/INTRL (coalesce) settings * @vsi: VSI associated to the queue that need updating * @ec: coalesce settings to program the device with * @q_num: update ITR/INTRL (coalesce) settings for this queue number/index * * Return 0 on success, and negative under the following conditions: * 1. Setting Tx or Rx ITR/INTRL (coalesce) settings failed. * 2. The q_num passed in is not a valid number/index for Tx and Rx rings. */ static int ice_set_q_coalesce(struct ice_vsi *vsi, struct ethtool_coalesce *ec, int q_num) { if (q_num < vsi->num_rxq && q_num < vsi->num_txq) { if (ice_set_rc_coalesce(ICE_RX_CONTAINER, ec, &vsi->rx_rings[q_num]->q_vector->rx, vsi)) return -EINVAL; if (ice_set_rc_coalesce(ICE_TX_CONTAINER, ec, &vsi->tx_rings[q_num]->q_vector->tx, vsi)) return -EINVAL; } else if (q_num < vsi->num_rxq) { if (ice_set_rc_coalesce(ICE_RX_CONTAINER, ec, &vsi->rx_rings[q_num]->q_vector->rx, vsi)) return -EINVAL; } else if (q_num < vsi->num_txq) { if (ice_set_rc_coalesce(ICE_TX_CONTAINER, ec, &vsi->tx_rings[q_num]->q_vector->tx, vsi)) return -EINVAL; } else { return -EINVAL; } return 0; } /** * ice_print_if_odd_usecs - print message if user tries to set odd [tx|rx]-usecs * @netdev: netdev used for print * @itr_setting: previous user setting * @use_adaptive_coalesce: if adaptive coalesce is enabled or being enabled * @coalesce_usecs: requested value of [tx|rx]-usecs * @c_type_str: either "rx" or "tx" to match user set field of [tx|rx]-usecs */ static void ice_print_if_odd_usecs(struct net_device *netdev, u16 itr_setting, u32 use_adaptive_coalesce, u32 coalesce_usecs, const char *c_type_str) { if (use_adaptive_coalesce) return; itr_setting = ITR_TO_REG(itr_setting); if (itr_setting != coalesce_usecs && (coalesce_usecs % 2)) netdev_info(netdev, "User set %s-usecs to %d, device only supports even values. Rounding down and attempting to set %s-usecs to %d\n", c_type_str, coalesce_usecs, c_type_str, ITR_REG_ALIGN(coalesce_usecs)); } /** * __ice_set_coalesce - set ITR/INTRL values for the device * @netdev: pointer to the netdev associated with this query * @ec: ethtool structure to fill with driver's coalesce settings * @q_num: queue number to get the coalesce settings for * * If the caller passes in a negative q_num then we set the coalesce settings * for all Tx/Rx queues, else use the actual q_num passed in. */ static int __ice_set_coalesce(struct net_device *netdev, struct ethtool_coalesce *ec, int q_num) { struct ice_netdev_priv *np = netdev_priv(netdev); struct ice_vsi *vsi = np->vsi; if (q_num < 0) { struct ice_q_vector *q_vector = vsi->q_vectors[0]; int v_idx; if (q_vector) { ice_print_if_odd_usecs(netdev, q_vector->rx.itr_setting, ec->use_adaptive_rx_coalesce, ec->rx_coalesce_usecs, "rx"); ice_print_if_odd_usecs(netdev, q_vector->tx.itr_setting, ec->use_adaptive_tx_coalesce, ec->tx_coalesce_usecs, "tx"); } ice_for_each_q_vector(vsi, v_idx) { /* In some cases if DCB is configured the num_[rx|tx]q * can be less than vsi->num_q_vectors. This check * accounts for that so we don't report a false failure */ if (v_idx >= vsi->num_rxq && v_idx >= vsi->num_txq) goto set_complete; if (ice_set_q_coalesce(vsi, ec, v_idx)) return -EINVAL; } goto set_complete; } if (ice_set_q_coalesce(vsi, ec, q_num)) return -EINVAL; set_complete: return 0; } static int ice_set_coalesce(struct net_device *netdev, struct ethtool_coalesce *ec) { return __ice_set_coalesce(netdev, ec, -1); } static int ice_set_per_q_coalesce(struct net_device *netdev, u32 q_num, struct ethtool_coalesce *ec) { return __ice_set_coalesce(netdev, ec, q_num); } #define ICE_I2C_EEPROM_DEV_ADDR 0xA0 #define ICE_I2C_EEPROM_DEV_ADDR2 0xA2 #define ICE_MODULE_TYPE_SFP 0x03 #define ICE_MODULE_TYPE_QSFP_PLUS 0x0D #define ICE_MODULE_TYPE_QSFP28 0x11 #define ICE_MODULE_SFF_ADDR_MODE 0x04 #define ICE_MODULE_SFF_DIAG_CAPAB 0x40 #define ICE_MODULE_REVISION_ADDR 0x01 #define ICE_MODULE_SFF_8472_COMP 0x5E #define ICE_MODULE_SFF_8472_SWAP 0x5C #define ICE_MODULE_QSFP_MAX_LEN 640 /** * ice_get_module_info - get SFF module type and revision information * @netdev: network interface device structure * @modinfo: module EEPROM size and layout information structure */ static int ice_get_module_info(struct net_device *netdev, struct ethtool_modinfo *modinfo) { struct ice_netdev_priv *np = netdev_priv(netdev); struct ice_vsi *vsi = np->vsi; struct ice_pf *pf = vsi->back; struct ice_hw *hw = &pf->hw; enum ice_status status; u8 sff8472_comp = 0; u8 sff8472_swap = 0; u8 sff8636_rev = 0; u8 value = 0; status = ice_aq_sff_eeprom(hw, 0, ICE_I2C_EEPROM_DEV_ADDR, 0x00, 0x00, 0, &value, 1, 0, NULL); if (status) return -EIO; switch (value) { case ICE_MODULE_TYPE_SFP: status = ice_aq_sff_eeprom(hw, 0, ICE_I2C_EEPROM_DEV_ADDR, ICE_MODULE_SFF_8472_COMP, 0x00, 0, &sff8472_comp, 1, 0, NULL); if (status) return -EIO; status = ice_aq_sff_eeprom(hw, 0, ICE_I2C_EEPROM_DEV_ADDR, ICE_MODULE_SFF_8472_SWAP, 0x00, 0, &sff8472_swap, 1, 0, NULL); if (status) return -EIO; if (sff8472_swap & ICE_MODULE_SFF_ADDR_MODE) { modinfo->type = ETH_MODULE_SFF_8079; modinfo->eeprom_len = ETH_MODULE_SFF_8079_LEN; } else if (sff8472_comp && (sff8472_swap & ICE_MODULE_SFF_DIAG_CAPAB)) { modinfo->type = ETH_MODULE_SFF_8472; modinfo->eeprom_len = ETH_MODULE_SFF_8472_LEN; } else { modinfo->type = ETH_MODULE_SFF_8079; modinfo->eeprom_len = ETH_MODULE_SFF_8079_LEN; } break; case ICE_MODULE_TYPE_QSFP_PLUS: case ICE_MODULE_TYPE_QSFP28: status = ice_aq_sff_eeprom(hw, 0, ICE_I2C_EEPROM_DEV_ADDR, ICE_MODULE_REVISION_ADDR, 0x00, 0, &sff8636_rev, 1, 0, NULL); if (status) return -EIO; /* Check revision compliance */ if (sff8636_rev > 0x02) { /* Module is SFF-8636 compliant */ modinfo->type = ETH_MODULE_SFF_8636; modinfo->eeprom_len = ICE_MODULE_QSFP_MAX_LEN; } else { modinfo->type = ETH_MODULE_SFF_8436; modinfo->eeprom_len = ICE_MODULE_QSFP_MAX_LEN; } break; default: netdev_warn(netdev, "SFF Module Type not recognized.\n"); return -EINVAL; } return 0; } /** * ice_get_module_eeprom - fill buffer with SFF EEPROM contents * @netdev: network interface device structure * @ee: EEPROM dump request structure * @data: buffer to be filled with EEPROM contents */ static int ice_get_module_eeprom(struct net_device *netdev, struct ethtool_eeprom *ee, u8 *data) { struct ice_netdev_priv *np = netdev_priv(netdev); u8 addr = ICE_I2C_EEPROM_DEV_ADDR; struct ice_vsi *vsi = np->vsi; struct ice_pf *pf = vsi->back; struct ice_hw *hw = &pf->hw; enum ice_status status; bool is_sfp = false; unsigned int i; u16 offset = 0; u8 value = 0; u8 page = 0; status = ice_aq_sff_eeprom(hw, 0, addr, offset, page, 0, &value, 1, 0, NULL); if (status) return -EIO; if (!ee || !ee->len || !data) return -EINVAL; if (value == ICE_MODULE_TYPE_SFP) is_sfp = true; for (i = 0; i < ee->len; i++) { offset = i + ee->offset; /* Check if we need to access the other memory page */ if (is_sfp) { if (offset >= ETH_MODULE_SFF_8079_LEN) { offset -= ETH_MODULE_SFF_8079_LEN; addr = ICE_I2C_EEPROM_DEV_ADDR2; } } else { while (offset >= ETH_MODULE_SFF_8436_LEN) { /* Compute memory page number and offset. */ offset -= ETH_MODULE_SFF_8436_LEN / 2; page++; } } status = ice_aq_sff_eeprom(hw, 0, addr, offset, page, !is_sfp, &value, 1, 0, NULL); if (status) value = 0; data[i] = value; } return 0; } static const struct ethtool_ops ice_ethtool_ops = { .supported_coalesce_params = ETHTOOL_COALESCE_USECS | ETHTOOL_COALESCE_USE_ADAPTIVE | ETHTOOL_COALESCE_RX_USECS_HIGH, .get_link_ksettings = ice_get_link_ksettings, .set_link_ksettings = ice_set_link_ksettings, .get_drvinfo = ice_get_drvinfo, .get_regs_len = ice_get_regs_len, .get_regs = ice_get_regs, .get_msglevel = ice_get_msglevel, .set_msglevel = ice_set_msglevel, .self_test = ice_self_test, .get_link = ethtool_op_get_link, .get_eeprom_len = ice_get_eeprom_len, .get_eeprom = ice_get_eeprom, .get_coalesce = ice_get_coalesce, .set_coalesce = ice_set_coalesce, .get_strings = ice_get_strings, .set_phys_id = ice_set_phys_id, .get_ethtool_stats = ice_get_ethtool_stats, .get_priv_flags = ice_get_priv_flags, .set_priv_flags = ice_set_priv_flags, .get_sset_count = ice_get_sset_count, .get_rxnfc = ice_get_rxnfc, .set_rxnfc = ice_set_rxnfc, .get_ringparam = ice_get_ringparam, .set_ringparam = ice_set_ringparam, .nway_reset = ice_nway_reset, .get_pauseparam = ice_get_pauseparam, .set_pauseparam = ice_set_pauseparam, .get_rxfh_key_size = ice_get_rxfh_key_size, .get_rxfh_indir_size = ice_get_rxfh_indir_size, .get_rxfh = ice_get_rxfh, .set_rxfh = ice_set_rxfh, .get_channels = ice_get_channels, .set_channels = ice_set_channels, .get_ts_info = ethtool_op_get_ts_info, .get_per_queue_coalesce = ice_get_per_q_coalesce, .set_per_queue_coalesce = ice_set_per_q_coalesce, .get_fecparam = ice_get_fecparam, .set_fecparam = ice_set_fecparam, .get_module_info = ice_get_module_info, .get_module_eeprom = ice_get_module_eeprom, }; static const struct ethtool_ops ice_ethtool_safe_mode_ops = { .get_link_ksettings = ice_get_link_ksettings, .set_link_ksettings = ice_set_link_ksettings, .get_drvinfo = ice_get_drvinfo, .get_regs_len = ice_get_regs_len, .get_regs = ice_get_regs, .get_msglevel = ice_get_msglevel, .set_msglevel = ice_set_msglevel, .get_link = ethtool_op_get_link, .get_eeprom_len = ice_get_eeprom_len, .get_eeprom = ice_get_eeprom, .get_strings = ice_get_strings, .get_ethtool_stats = ice_get_ethtool_stats, .get_sset_count = ice_get_sset_count, .get_ringparam = ice_get_ringparam, .set_ringparam = ice_set_ringparam, .nway_reset = ice_nway_reset, .get_channels = ice_get_channels, }; /** * ice_set_ethtool_safe_mode_ops - setup safe mode ethtool ops * @netdev: network interface device structure */ void ice_set_ethtool_safe_mode_ops(struct net_device *netdev) { netdev->ethtool_ops = &ice_ethtool_safe_mode_ops; } /** * ice_set_ethtool_ops - setup netdev ethtool ops * @netdev: network interface device structure * * setup netdev ethtool ops with ice specific ops */ void ice_set_ethtool_ops(struct net_device *netdev) { netdev->ethtool_ops = &ice_ethtool_ops; }
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