| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Anirudh Venkataramanan | 10750 | 53.24% | 57 | 30.32% |
| Jacob E Keller | 2065 | 10.23% | 21 | 11.17% |
| Paul Greenwalt | 1470 | 7.28% | 9 | 4.79% |
| Dave Ertman | 841 | 4.17% | 4 | 2.13% |
| Tony Nguyen | 840 | 4.16% | 15 | 7.98% |
| Hieu Tran | 489 | 2.42% | 1 | 0.53% |
| Jesse Brandeburg | 391 | 1.94% | 3 | 1.60% |
| Brett Creeley | 351 | 1.74% | 8 | 4.26% |
| Anatolii Gerasymenko | 348 | 1.72% | 1 | 0.53% |
| Bruce W Allan | 325 | 1.61% | 16 | 8.51% |
| Karol Kolacinski | 277 | 1.37% | 4 | 2.13% |
| Dan Nowlin | 253 | 1.25% | 4 | 2.13% |
| Chinh Cao | 246 | 1.22% | 1 | 0.53% |
| Chinh T Cao | 241 | 1.19% | 4 | 2.13% |
| Victor Raj | 220 | 1.09% | 5 | 2.66% |
| Paul M Stillwell Jr | 193 | 0.96% | 3 | 1.60% |
| Scott W Taylor | 172 | 0.85% | 1 | 0.53% |
| Maciej Machnikowski | 124 | 0.61% | 3 | 1.60% |
| Henry Tieman | 107 | 0.53% | 2 | 1.06% |
| Tarun Singh | 89 | 0.44% | 1 | 0.53% |
| Usha Ketineni | 61 | 0.30% | 2 | 1.06% |
| Md Fahad Iqbal Polash | 49 | 0.24% | 1 | 0.53% |
| Arkadiusz Kubalewski | 41 | 0.20% | 1 | 0.53% |
| Kiran Patil | 39 | 0.19% | 1 | 0.53% |
| Doug Dziggel | 29 | 0.14% | 1 | 0.53% |
| Surabhi Boob | 28 | 0.14% | 1 | 0.53% |
| Jacek Naczyk | 27 | 0.13% | 1 | 0.53% |
| Michal Swiatkowski | 20 | 0.10% | 2 | 1.06% |
| Michal Wilczynski | 17 | 0.08% | 2 | 1.06% |
| Grishma Kotecha | 16 | 0.08% | 2 | 1.06% |
| Tsotne Chakhvadze | 15 | 0.07% | 1 | 0.53% |
| Ashish Shah | 12 | 0.06% | 1 | 0.53% |
| Lev Faerman | 8 | 0.04% | 1 | 0.53% |
| Akeem G. Abodunrin | 8 | 0.04% | 1 | 0.53% |
| Dan Carpenter | 6 | 0.03% | 1 | 0.53% |
| Wei Yongjun | 5 | 0.02% | 1 | 0.53% |
| Ben Shelton | 5 | 0.02% | 1 | 0.53% |
| Nicholas Nunley | 4 | 0.02% | 1 | 0.53% |
| Tom Rix | 4 | 0.02% | 1 | 0.53% |
| Jeb J. Cramer | 2 | 0.01% | 1 | 0.53% |
| Shivanshu Shukla | 2 | 0.01% | 1 | 0.53% |
| Total | 20190 | 188 |
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// SPDX-License-Identifier: GPL-2.0 /* Copyright (c) 2018, Intel Corporation. */ #include "ice_common.h" #include "ice_sched.h" #include "ice_adminq_cmd.h" #include "ice_flow.h" #define ICE_PF_RESET_WAIT_COUNT 300 static const char * const ice_link_mode_str_low[] = { [0] = "100BASE_TX", [1] = "100M_SGMII", [2] = "1000BASE_T", [3] = "1000BASE_SX", [4] = "1000BASE_LX", [5] = "1000BASE_KX", [6] = "1G_SGMII", [7] = "2500BASE_T", [8] = "2500BASE_X", [9] = "2500BASE_KX", [10] = "5GBASE_T", [11] = "5GBASE_KR", [12] = "10GBASE_T", [13] = "10G_SFI_DA", [14] = "10GBASE_SR", [15] = "10GBASE_LR", [16] = "10GBASE_KR_CR1", [17] = "10G_SFI_AOC_ACC", [18] = "10G_SFI_C2C", [19] = "25GBASE_T", [20] = "25GBASE_CR", [21] = "25GBASE_CR_S", [22] = "25GBASE_CR1", [23] = "25GBASE_SR", [24] = "25GBASE_LR", [25] = "25GBASE_KR", [26] = "25GBASE_KR_S", [27] = "25GBASE_KR1", [28] = "25G_AUI_AOC_ACC", [29] = "25G_AUI_C2C", [30] = "40GBASE_CR4", [31] = "40GBASE_SR4", [32] = "40GBASE_LR4", [33] = "40GBASE_KR4", [34] = "40G_XLAUI_AOC_ACC", [35] = "40G_XLAUI", [36] = "50GBASE_CR2", [37] = "50GBASE_SR2", [38] = "50GBASE_LR2", [39] = "50GBASE_KR2", [40] = "50G_LAUI2_AOC_ACC", [41] = "50G_LAUI2", [42] = "50G_AUI2_AOC_ACC", [43] = "50G_AUI2", [44] = "50GBASE_CP", [45] = "50GBASE_SR", [46] = "50GBASE_FR", [47] = "50GBASE_LR", [48] = "50GBASE_KR_PAM4", [49] = "50G_AUI1_AOC_ACC", [50] = "50G_AUI1", [51] = "100GBASE_CR4", [52] = "100GBASE_SR4", [53] = "100GBASE_LR4", [54] = "100GBASE_KR4", [55] = "100G_CAUI4_AOC_ACC", [56] = "100G_CAUI4", [57] = "100G_AUI4_AOC_ACC", [58] = "100G_AUI4", [59] = "100GBASE_CR_PAM4", [60] = "100GBASE_KR_PAM4", [61] = "100GBASE_CP2", [62] = "100GBASE_SR2", [63] = "100GBASE_DR", }; static const char * const ice_link_mode_str_high[] = { [0] = "100GBASE_KR2_PAM4", [1] = "100G_CAUI2_AOC_ACC", [2] = "100G_CAUI2", [3] = "100G_AUI2_AOC_ACC", [4] = "100G_AUI2", }; /** * ice_dump_phy_type - helper function to dump phy_type * @hw: pointer to the HW structure * @low: 64 bit value for phy_type_low * @high: 64 bit value for phy_type_high * @prefix: prefix string to differentiate multiple dumps */ static void ice_dump_phy_type(struct ice_hw *hw, u64 low, u64 high, const char *prefix) { ice_debug(hw, ICE_DBG_PHY, "%s: phy_type_low: 0x%016llx\n", prefix, low); for (u32 i = 0; i < BITS_PER_TYPE(typeof(low)); i++) { if (low & BIT_ULL(i)) ice_debug(hw, ICE_DBG_PHY, "%s: bit(%d): %s\n", prefix, i, ice_link_mode_str_low[i]); } ice_debug(hw, ICE_DBG_PHY, "%s: phy_type_high: 0x%016llx\n", prefix, high); for (u32 i = 0; i < BITS_PER_TYPE(typeof(high)); i++) { if (high & BIT_ULL(i)) ice_debug(hw, ICE_DBG_PHY, "%s: bit(%d): %s\n", prefix, i, ice_link_mode_str_high[i]); } } /** * ice_set_mac_type - Sets MAC type * @hw: pointer to the HW structure * * This function sets the MAC type of the adapter based on the * vendor ID and device ID stored in the HW structure. */ static int ice_set_mac_type(struct ice_hw *hw) { if (hw->vendor_id != PCI_VENDOR_ID_INTEL) return -ENODEV; switch (hw->device_id) { case ICE_DEV_ID_E810C_BACKPLANE: case ICE_DEV_ID_E810C_QSFP: case ICE_DEV_ID_E810C_SFP: case ICE_DEV_ID_E810_XXV_BACKPLANE: case ICE_DEV_ID_E810_XXV_QSFP: case ICE_DEV_ID_E810_XXV_SFP: hw->mac_type = ICE_MAC_E810; break; case ICE_DEV_ID_E823C_10G_BASE_T: case ICE_DEV_ID_E823C_BACKPLANE: case ICE_DEV_ID_E823C_QSFP: case ICE_DEV_ID_E823C_SFP: case ICE_DEV_ID_E823C_SGMII: case ICE_DEV_ID_E822C_10G_BASE_T: case ICE_DEV_ID_E822C_BACKPLANE: case ICE_DEV_ID_E822C_QSFP: case ICE_DEV_ID_E822C_SFP: case ICE_DEV_ID_E822C_SGMII: case ICE_DEV_ID_E822L_10G_BASE_T: case ICE_DEV_ID_E822L_BACKPLANE: case ICE_DEV_ID_E822L_SFP: case ICE_DEV_ID_E822L_SGMII: case ICE_DEV_ID_E823L_10G_BASE_T: case ICE_DEV_ID_E823L_1GBE: case ICE_DEV_ID_E823L_BACKPLANE: case ICE_DEV_ID_E823L_QSFP: case ICE_DEV_ID_E823L_SFP: hw->mac_type = ICE_MAC_GENERIC; break; default: hw->mac_type = ICE_MAC_UNKNOWN; break; } ice_debug(hw, ICE_DBG_INIT, "mac_type: %d\n", hw->mac_type); return 0; } /** * ice_is_e810 * @hw: pointer to the hardware structure * * returns true if the device is E810 based, false if not. */ bool ice_is_e810(struct ice_hw *hw) { return hw->mac_type == ICE_MAC_E810; } /** * ice_is_e810t * @hw: pointer to the hardware structure * * returns true if the device is E810T based, false if not. */ bool ice_is_e810t(struct ice_hw *hw) { switch (hw->device_id) { case ICE_DEV_ID_E810C_SFP: switch (hw->subsystem_device_id) { case ICE_SUBDEV_ID_E810T: case ICE_SUBDEV_ID_E810T2: case ICE_SUBDEV_ID_E810T3: case ICE_SUBDEV_ID_E810T4: case ICE_SUBDEV_ID_E810T6: case ICE_SUBDEV_ID_E810T7: return true; } break; case ICE_DEV_ID_E810C_QSFP: switch (hw->subsystem_device_id) { case ICE_SUBDEV_ID_E810T2: case ICE_SUBDEV_ID_E810T3: case ICE_SUBDEV_ID_E810T5: return true; } break; default: break; } return false; } /** * ice_is_e823 * @hw: pointer to the hardware structure * * returns true if the device is E823-L or E823-C based, false if not. */ bool ice_is_e823(struct ice_hw *hw) { switch (hw->device_id) { case ICE_DEV_ID_E823L_BACKPLANE: case ICE_DEV_ID_E823L_SFP: case ICE_DEV_ID_E823L_10G_BASE_T: case ICE_DEV_ID_E823L_1GBE: case ICE_DEV_ID_E823L_QSFP: case ICE_DEV_ID_E823C_BACKPLANE: case ICE_DEV_ID_E823C_QSFP: case ICE_DEV_ID_E823C_SFP: case ICE_DEV_ID_E823C_10G_BASE_T: case ICE_DEV_ID_E823C_SGMII: return true; default: return false; } } /** * ice_clear_pf_cfg - Clear PF configuration * @hw: pointer to the hardware structure * * Clears any existing PF configuration (VSIs, VSI lists, switch rules, port * configuration, flow director filters, etc.). */ int ice_clear_pf_cfg(struct ice_hw *hw) { struct ice_aq_desc desc; ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_clear_pf_cfg); return ice_aq_send_cmd(hw, &desc, NULL, 0, NULL); } /** * ice_aq_manage_mac_read - manage MAC address read command * @hw: pointer to the HW struct * @buf: a virtual buffer to hold the manage MAC read response * @buf_size: Size of the virtual buffer * @cd: pointer to command details structure or NULL * * This function is used to return per PF station MAC address (0x0107). * NOTE: Upon successful completion of this command, MAC address information * is returned in user specified buffer. Please interpret user specified * buffer as "manage_mac_read" response. * Response such as various MAC addresses are stored in HW struct (port.mac) * ice_discover_dev_caps is expected to be called before this function is * called. */ static int ice_aq_manage_mac_read(struct ice_hw *hw, void *buf, u16 buf_size, struct ice_sq_cd *cd) { struct ice_aqc_manage_mac_read_resp *resp; struct ice_aqc_manage_mac_read *cmd; struct ice_aq_desc desc; int status; u16 flags; u8 i; cmd = &desc.params.mac_read; if (buf_size < sizeof(*resp)) return -EINVAL; ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_manage_mac_read); status = ice_aq_send_cmd(hw, &desc, buf, buf_size, cd); if (status) return status; resp = buf; flags = le16_to_cpu(cmd->flags) & ICE_AQC_MAN_MAC_READ_M; if (!(flags & ICE_AQC_MAN_MAC_LAN_ADDR_VALID)) { ice_debug(hw, ICE_DBG_LAN, "got invalid MAC address\n"); return -EIO; } /* A single port can report up to two (LAN and WoL) addresses */ for (i = 0; i < cmd->num_addr; i++) if (resp[i].addr_type == ICE_AQC_MAN_MAC_ADDR_TYPE_LAN) { ether_addr_copy(hw->port_info->mac.lan_addr, resp[i].mac_addr); ether_addr_copy(hw->port_info->mac.perm_addr, resp[i].mac_addr); break; } return 0; } /** * ice_aq_get_phy_caps - returns PHY capabilities * @pi: port information structure * @qual_mods: report qualified modules * @report_mode: report mode capabilities * @pcaps: structure for PHY capabilities to be filled * @cd: pointer to command details structure or NULL * * Returns the various PHY capabilities supported on the Port (0x0600) */ int ice_aq_get_phy_caps(struct ice_port_info *pi, bool qual_mods, u8 report_mode, struct ice_aqc_get_phy_caps_data *pcaps, struct ice_sq_cd *cd) { struct ice_aqc_get_phy_caps *cmd; u16 pcaps_size = sizeof(*pcaps); struct ice_aq_desc desc; const char *prefix; struct ice_hw *hw; int status; cmd = &desc.params.get_phy; if (!pcaps || (report_mode & ~ICE_AQC_REPORT_MODE_M) || !pi) return -EINVAL; hw = pi->hw; if (report_mode == ICE_AQC_REPORT_DFLT_CFG && !ice_fw_supports_report_dflt_cfg(hw)) return -EINVAL; ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_phy_caps); if (qual_mods) cmd->param0 |= cpu_to_le16(ICE_AQC_GET_PHY_RQM); cmd->param0 |= cpu_to_le16(report_mode); status = ice_aq_send_cmd(hw, &desc, pcaps, pcaps_size, cd); ice_debug(hw, ICE_DBG_LINK, "get phy caps dump\n"); switch (report_mode) { case ICE_AQC_REPORT_TOPO_CAP_MEDIA: prefix = "phy_caps_media"; break; case ICE_AQC_REPORT_TOPO_CAP_NO_MEDIA: prefix = "phy_caps_no_media"; break; case ICE_AQC_REPORT_ACTIVE_CFG: prefix = "phy_caps_active"; break; case ICE_AQC_REPORT_DFLT_CFG: prefix = "phy_caps_default"; break; default: prefix = "phy_caps_invalid"; } ice_dump_phy_type(hw, le64_to_cpu(pcaps->phy_type_low), le64_to_cpu(pcaps->phy_type_high), prefix); ice_debug(hw, ICE_DBG_LINK, "%s: report_mode = 0x%x\n", prefix, report_mode); ice_debug(hw, ICE_DBG_LINK, "%s: caps = 0x%x\n", prefix, pcaps->caps); ice_debug(hw, ICE_DBG_LINK, "%s: low_power_ctrl_an = 0x%x\n", prefix, pcaps->low_power_ctrl_an); ice_debug(hw, ICE_DBG_LINK, "%s: eee_cap = 0x%x\n", prefix, pcaps->eee_cap); ice_debug(hw, ICE_DBG_LINK, "%s: eeer_value = 0x%x\n", prefix, pcaps->eeer_value); ice_debug(hw, ICE_DBG_LINK, "%s: link_fec_options = 0x%x\n", prefix, pcaps->link_fec_options); ice_debug(hw, ICE_DBG_LINK, "%s: module_compliance_enforcement = 0x%x\n", prefix, pcaps->module_compliance_enforcement); ice_debug(hw, ICE_DBG_LINK, "%s: extended_compliance_code = 0x%x\n", prefix, pcaps->extended_compliance_code); ice_debug(hw, ICE_DBG_LINK, "%s: module_type[0] = 0x%x\n", prefix, pcaps->module_type[0]); ice_debug(hw, ICE_DBG_LINK, "%s: module_type[1] = 0x%x\n", prefix, pcaps->module_type[1]); ice_debug(hw, ICE_DBG_LINK, "%s: module_type[2] = 0x%x\n", prefix, pcaps->module_type[2]); if (!status && report_mode == ICE_AQC_REPORT_TOPO_CAP_MEDIA) { pi->phy.phy_type_low = le64_to_cpu(pcaps->phy_type_low); pi->phy.phy_type_high = le64_to_cpu(pcaps->phy_type_high); memcpy(pi->phy.link_info.module_type, &pcaps->module_type, sizeof(pi->phy.link_info.module_type)); } return status; } /** * ice_aq_get_link_topo_handle - get link topology node return status * @pi: port information structure * @node_type: requested node type * @cd: pointer to command details structure or NULL * * Get link topology node return status for specified node type (0x06E0) * * Node type cage can be used to determine if cage is present. If AQC * returns error (ENOENT), then no cage present. If no cage present, then * connection type is backplane or BASE-T. */ static int ice_aq_get_link_topo_handle(struct ice_port_info *pi, u8 node_type, struct ice_sq_cd *cd) { struct ice_aqc_get_link_topo *cmd; struct ice_aq_desc desc; cmd = &desc.params.get_link_topo; ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_link_topo); cmd->addr.topo_params.node_type_ctx = (ICE_AQC_LINK_TOPO_NODE_CTX_PORT << ICE_AQC_LINK_TOPO_NODE_CTX_S); /* set node type */ cmd->addr.topo_params.node_type_ctx |= (ICE_AQC_LINK_TOPO_NODE_TYPE_M & node_type); return ice_aq_send_cmd(pi->hw, &desc, NULL, 0, cd); } /** * ice_is_media_cage_present * @pi: port information structure * * Returns true if media cage is present, else false. If no cage, then * media type is backplane or BASE-T. */ static bool ice_is_media_cage_present(struct ice_port_info *pi) { /* Node type cage can be used to determine if cage is present. If AQC * returns error (ENOENT), then no cage present. If no cage present then * connection type is backplane or BASE-T. */ return !ice_aq_get_link_topo_handle(pi, ICE_AQC_LINK_TOPO_NODE_TYPE_CAGE, NULL); } /** * ice_get_media_type - Gets media type * @pi: port information structure */ static enum ice_media_type ice_get_media_type(struct ice_port_info *pi) { struct ice_link_status *hw_link_info; if (!pi) return ICE_MEDIA_UNKNOWN; hw_link_info = &pi->phy.link_info; if (hw_link_info->phy_type_low && hw_link_info->phy_type_high) /* If more than one media type is selected, report unknown */ return ICE_MEDIA_UNKNOWN; if (hw_link_info->phy_type_low) { /* 1G SGMII is a special case where some DA cable PHYs * may show this as an option when it really shouldn't * be since SGMII is meant to be between a MAC and a PHY * in a backplane. Try to detect this case and handle it */ if (hw_link_info->phy_type_low == ICE_PHY_TYPE_LOW_1G_SGMII && (hw_link_info->module_type[ICE_AQC_MOD_TYPE_IDENT] == ICE_AQC_MOD_TYPE_BYTE1_SFP_PLUS_CU_ACTIVE || hw_link_info->module_type[ICE_AQC_MOD_TYPE_IDENT] == ICE_AQC_MOD_TYPE_BYTE1_SFP_PLUS_CU_PASSIVE)) return ICE_MEDIA_DA; switch (hw_link_info->phy_type_low) { case ICE_PHY_TYPE_LOW_1000BASE_SX: case ICE_PHY_TYPE_LOW_1000BASE_LX: case ICE_PHY_TYPE_LOW_10GBASE_SR: case ICE_PHY_TYPE_LOW_10GBASE_LR: case ICE_PHY_TYPE_LOW_10G_SFI_C2C: case ICE_PHY_TYPE_LOW_25GBASE_SR: case ICE_PHY_TYPE_LOW_25GBASE_LR: case ICE_PHY_TYPE_LOW_40GBASE_SR4: case ICE_PHY_TYPE_LOW_40GBASE_LR4: case ICE_PHY_TYPE_LOW_50GBASE_SR2: case ICE_PHY_TYPE_LOW_50GBASE_LR2: case ICE_PHY_TYPE_LOW_50GBASE_SR: case ICE_PHY_TYPE_LOW_50GBASE_FR: case ICE_PHY_TYPE_LOW_50GBASE_LR: case ICE_PHY_TYPE_LOW_100GBASE_SR4: case ICE_PHY_TYPE_LOW_100GBASE_LR4: case ICE_PHY_TYPE_LOW_100GBASE_SR2: case ICE_PHY_TYPE_LOW_100GBASE_DR: case ICE_PHY_TYPE_LOW_10G_SFI_AOC_ACC: case ICE_PHY_TYPE_LOW_25G_AUI_AOC_ACC: case ICE_PHY_TYPE_LOW_40G_XLAUI_AOC_ACC: case ICE_PHY_TYPE_LOW_50G_LAUI2_AOC_ACC: case ICE_PHY_TYPE_LOW_50G_AUI2_AOC_ACC: case ICE_PHY_TYPE_LOW_50G_AUI1_AOC_ACC: case ICE_PHY_TYPE_LOW_100G_CAUI4_AOC_ACC: case ICE_PHY_TYPE_LOW_100G_AUI4_AOC_ACC: return ICE_MEDIA_FIBER; case ICE_PHY_TYPE_LOW_100BASE_TX: case ICE_PHY_TYPE_LOW_1000BASE_T: case ICE_PHY_TYPE_LOW_2500BASE_T: case ICE_PHY_TYPE_LOW_5GBASE_T: case ICE_PHY_TYPE_LOW_10GBASE_T: case ICE_PHY_TYPE_LOW_25GBASE_T: return ICE_MEDIA_BASET; case ICE_PHY_TYPE_LOW_10G_SFI_DA: case ICE_PHY_TYPE_LOW_25GBASE_CR: case ICE_PHY_TYPE_LOW_25GBASE_CR_S: case ICE_PHY_TYPE_LOW_25GBASE_CR1: case ICE_PHY_TYPE_LOW_40GBASE_CR4: case ICE_PHY_TYPE_LOW_50GBASE_CR2: case ICE_PHY_TYPE_LOW_50GBASE_CP: case ICE_PHY_TYPE_LOW_100GBASE_CR4: case ICE_PHY_TYPE_LOW_100GBASE_CR_PAM4: case ICE_PHY_TYPE_LOW_100GBASE_CP2: return ICE_MEDIA_DA; case ICE_PHY_TYPE_LOW_25G_AUI_C2C: case ICE_PHY_TYPE_LOW_40G_XLAUI: case ICE_PHY_TYPE_LOW_50G_LAUI2: case ICE_PHY_TYPE_LOW_50G_AUI2: case ICE_PHY_TYPE_LOW_50G_AUI1: case ICE_PHY_TYPE_LOW_100G_AUI4: case ICE_PHY_TYPE_LOW_100G_CAUI4: if (ice_is_media_cage_present(pi)) return ICE_MEDIA_DA; fallthrough; case ICE_PHY_TYPE_LOW_1000BASE_KX: case ICE_PHY_TYPE_LOW_2500BASE_KX: case ICE_PHY_TYPE_LOW_2500BASE_X: case ICE_PHY_TYPE_LOW_5GBASE_KR: case ICE_PHY_TYPE_LOW_10GBASE_KR_CR1: case ICE_PHY_TYPE_LOW_25GBASE_KR: case ICE_PHY_TYPE_LOW_25GBASE_KR1: case ICE_PHY_TYPE_LOW_25GBASE_KR_S: case ICE_PHY_TYPE_LOW_40GBASE_KR4: case ICE_PHY_TYPE_LOW_50GBASE_KR_PAM4: case ICE_PHY_TYPE_LOW_50GBASE_KR2: case ICE_PHY_TYPE_LOW_100GBASE_KR4: case ICE_PHY_TYPE_LOW_100GBASE_KR_PAM4: return ICE_MEDIA_BACKPLANE; } } else { switch (hw_link_info->phy_type_high) { case ICE_PHY_TYPE_HIGH_100G_AUI2: case ICE_PHY_TYPE_HIGH_100G_CAUI2: if (ice_is_media_cage_present(pi)) return ICE_MEDIA_DA; fallthrough; case ICE_PHY_TYPE_HIGH_100GBASE_KR2_PAM4: return ICE_MEDIA_BACKPLANE; case ICE_PHY_TYPE_HIGH_100G_CAUI2_AOC_ACC: case ICE_PHY_TYPE_HIGH_100G_AUI2_AOC_ACC: return ICE_MEDIA_FIBER; } } return ICE_MEDIA_UNKNOWN; } /** * ice_aq_get_link_info * @pi: port information structure * @ena_lse: enable/disable LinkStatusEvent reporting * @link: pointer to link status structure - optional * @cd: pointer to command details structure or NULL * * Get Link Status (0x607). Returns the link status of the adapter. */ int ice_aq_get_link_info(struct ice_port_info *pi, bool ena_lse, struct ice_link_status *link, struct ice_sq_cd *cd) { struct ice_aqc_get_link_status_data link_data = { 0 }; struct ice_aqc_get_link_status *resp; struct ice_link_status *li_old, *li; enum ice_media_type *hw_media_type; struct ice_fc_info *hw_fc_info; bool tx_pause, rx_pause; struct ice_aq_desc desc; struct ice_hw *hw; u16 cmd_flags; int status; if (!pi) return -EINVAL; hw = pi->hw; li_old = &pi->phy.link_info_old; hw_media_type = &pi->phy.media_type; li = &pi->phy.link_info; hw_fc_info = &pi->fc; ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_link_status); cmd_flags = (ena_lse) ? ICE_AQ_LSE_ENA : ICE_AQ_LSE_DIS; resp = &desc.params.get_link_status; resp->cmd_flags = cpu_to_le16(cmd_flags); resp->lport_num = pi->lport; status = ice_aq_send_cmd(hw, &desc, &link_data, sizeof(link_data), cd); if (status) return status; /* save off old link status information */ *li_old = *li; /* update current link status information */ li->link_speed = le16_to_cpu(link_data.link_speed); li->phy_type_low = le64_to_cpu(link_data.phy_type_low); li->phy_type_high = le64_to_cpu(link_data.phy_type_high); *hw_media_type = ice_get_media_type(pi); li->link_info = link_data.link_info; li->link_cfg_err = link_data.link_cfg_err; li->an_info = link_data.an_info; li->ext_info = link_data.ext_info; li->max_frame_size = le16_to_cpu(link_data.max_frame_size); li->fec_info = link_data.cfg & ICE_AQ_FEC_MASK; li->topo_media_conflict = link_data.topo_media_conflict; li->pacing = link_data.cfg & (ICE_AQ_CFG_PACING_M | ICE_AQ_CFG_PACING_TYPE_M); /* update fc info */ tx_pause = !!(link_data.an_info & ICE_AQ_LINK_PAUSE_TX); rx_pause = !!(link_data.an_info & ICE_AQ_LINK_PAUSE_RX); if (tx_pause && rx_pause) hw_fc_info->current_mode = ICE_FC_FULL; else if (tx_pause) hw_fc_info->current_mode = ICE_FC_TX_PAUSE; else if (rx_pause) hw_fc_info->current_mode = ICE_FC_RX_PAUSE; else hw_fc_info->current_mode = ICE_FC_NONE; li->lse_ena = !!(resp->cmd_flags & cpu_to_le16(ICE_AQ_LSE_IS_ENABLED)); ice_debug(hw, ICE_DBG_LINK, "get link info\n"); ice_debug(hw, ICE_DBG_LINK, " link_speed = 0x%x\n", li->link_speed); ice_debug(hw, ICE_DBG_LINK, " phy_type_low = 0x%llx\n", (unsigned long long)li->phy_type_low); ice_debug(hw, ICE_DBG_LINK, " phy_type_high = 0x%llx\n", (unsigned long long)li->phy_type_high); ice_debug(hw, ICE_DBG_LINK, " media_type = 0x%x\n", *hw_media_type); ice_debug(hw, ICE_DBG_LINK, " link_info = 0x%x\n", li->link_info); ice_debug(hw, ICE_DBG_LINK, " link_cfg_err = 0x%x\n", li->link_cfg_err); ice_debug(hw, ICE_DBG_LINK, " an_info = 0x%x\n", li->an_info); ice_debug(hw, ICE_DBG_LINK, " ext_info = 0x%x\n", li->ext_info); ice_debug(hw, ICE_DBG_LINK, " fec_info = 0x%x\n", li->fec_info); ice_debug(hw, ICE_DBG_LINK, " lse_ena = 0x%x\n", li->lse_ena); ice_debug(hw, ICE_DBG_LINK, " max_frame = 0x%x\n", li->max_frame_size); ice_debug(hw, ICE_DBG_LINK, " pacing = 0x%x\n", li->pacing); /* save link status information */ if (link) *link = *li; /* flag cleared so calling functions don't call AQ again */ pi->phy.get_link_info = false; return 0; } /** * ice_fill_tx_timer_and_fc_thresh * @hw: pointer to the HW struct * @cmd: pointer to MAC cfg structure * * Add Tx timer and FC refresh threshold info to Set MAC Config AQ command * descriptor */ static void ice_fill_tx_timer_and_fc_thresh(struct ice_hw *hw, struct ice_aqc_set_mac_cfg *cmd) { u16 fc_thres_val, tx_timer_val; u32 val; /* We read back the transmit timer and FC threshold value of * LFC. Thus, we will use index = * PRTMAC_HSEC_CTL_TX_PAUSE_QUANTA_MAX_INDEX. * * Also, because we are operating on transmit timer and FC * threshold of LFC, we don't turn on any bit in tx_tmr_priority */ #define IDX_OF_LFC PRTMAC_HSEC_CTL_TX_PAUSE_QUANTA_MAX_INDEX /* Retrieve the transmit timer */ val = rd32(hw, PRTMAC_HSEC_CTL_TX_PAUSE_QUANTA(IDX_OF_LFC)); tx_timer_val = val & PRTMAC_HSEC_CTL_TX_PAUSE_QUANTA_HSEC_CTL_TX_PAUSE_QUANTA_M; cmd->tx_tmr_value = cpu_to_le16(tx_timer_val); /* Retrieve the FC threshold */ val = rd32(hw, PRTMAC_HSEC_CTL_TX_PAUSE_REFRESH_TIMER(IDX_OF_LFC)); fc_thres_val = val & PRTMAC_HSEC_CTL_TX_PAUSE_REFRESH_TIMER_M; cmd->fc_refresh_threshold = cpu_to_le16(fc_thres_val); } /** * ice_aq_set_mac_cfg * @hw: pointer to the HW struct * @max_frame_size: Maximum Frame Size to be supported * @cd: pointer to command details structure or NULL * * Set MAC configuration (0x0603) */ int ice_aq_set_mac_cfg(struct ice_hw *hw, u16 max_frame_size, struct ice_sq_cd *cd) { struct ice_aqc_set_mac_cfg *cmd; struct ice_aq_desc desc; cmd = &desc.params.set_mac_cfg; if (max_frame_size == 0) return -EINVAL; ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_set_mac_cfg); cmd->max_frame_size = cpu_to_le16(max_frame_size); ice_fill_tx_timer_and_fc_thresh(hw, cmd); return ice_aq_send_cmd(hw, &desc, NULL, 0, cd); } /** * ice_init_fltr_mgmt_struct - initializes filter management list and locks * @hw: pointer to the HW struct */ static int ice_init_fltr_mgmt_struct(struct ice_hw *hw) { struct ice_switch_info *sw; int status; hw->switch_info = devm_kzalloc(ice_hw_to_dev(hw), sizeof(*hw->switch_info), GFP_KERNEL); sw = hw->switch_info; if (!sw) return -ENOMEM; INIT_LIST_HEAD(&sw->vsi_list_map_head); sw->prof_res_bm_init = 0; status = ice_init_def_sw_recp(hw); if (status) { devm_kfree(ice_hw_to_dev(hw), hw->switch_info); return status; } return 0; } /** * ice_cleanup_fltr_mgmt_struct - cleanup filter management list and locks * @hw: pointer to the HW struct */ static void ice_cleanup_fltr_mgmt_struct(struct ice_hw *hw) { struct ice_switch_info *sw = hw->switch_info; struct ice_vsi_list_map_info *v_pos_map; struct ice_vsi_list_map_info *v_tmp_map; struct ice_sw_recipe *recps; u8 i; list_for_each_entry_safe(v_pos_map, v_tmp_map, &sw->vsi_list_map_head, list_entry) { list_del(&v_pos_map->list_entry); devm_kfree(ice_hw_to_dev(hw), v_pos_map); } recps = sw->recp_list; for (i = 0; i < ICE_MAX_NUM_RECIPES; i++) { struct ice_recp_grp_entry *rg_entry, *tmprg_entry; recps[i].root_rid = i; list_for_each_entry_safe(rg_entry, tmprg_entry, &recps[i].rg_list, l_entry) { list_del(&rg_entry->l_entry); devm_kfree(ice_hw_to_dev(hw), rg_entry); } if (recps[i].adv_rule) { struct ice_adv_fltr_mgmt_list_entry *tmp_entry; struct ice_adv_fltr_mgmt_list_entry *lst_itr; mutex_destroy(&recps[i].filt_rule_lock); list_for_each_entry_safe(lst_itr, tmp_entry, &recps[i].filt_rules, list_entry) { list_del(&lst_itr->list_entry); devm_kfree(ice_hw_to_dev(hw), lst_itr->lkups); devm_kfree(ice_hw_to_dev(hw), lst_itr); } } else { struct ice_fltr_mgmt_list_entry *lst_itr, *tmp_entry; mutex_destroy(&recps[i].filt_rule_lock); list_for_each_entry_safe(lst_itr, tmp_entry, &recps[i].filt_rules, list_entry) { list_del(&lst_itr->list_entry); devm_kfree(ice_hw_to_dev(hw), lst_itr); } } if (recps[i].root_buf) devm_kfree(ice_hw_to_dev(hw), recps[i].root_buf); } ice_rm_all_sw_replay_rule_info(hw); devm_kfree(ice_hw_to_dev(hw), sw->recp_list); devm_kfree(ice_hw_to_dev(hw), sw); } /** * ice_get_fw_log_cfg - get FW logging configuration * @hw: pointer to the HW struct */ static int ice_get_fw_log_cfg(struct ice_hw *hw) { struct ice_aq_desc desc; __le16 *config; int status; u16 size; size = sizeof(*config) * ICE_AQC_FW_LOG_ID_MAX; config = devm_kzalloc(ice_hw_to_dev(hw), size, GFP_KERNEL); if (!config) return -ENOMEM; ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_fw_logging_info); status = ice_aq_send_cmd(hw, &desc, config, size, NULL); if (!status) { u16 i; /* Save FW logging information into the HW structure */ for (i = 0; i < ICE_AQC_FW_LOG_ID_MAX; i++) { u16 v, m, flgs; v = le16_to_cpu(config[i]); m = (v & ICE_AQC_FW_LOG_ID_M) >> ICE_AQC_FW_LOG_ID_S; flgs = (v & ICE_AQC_FW_LOG_EN_M) >> ICE_AQC_FW_LOG_EN_S; if (m < ICE_AQC_FW_LOG_ID_MAX) hw->fw_log.evnts[m].cur = flgs; } } devm_kfree(ice_hw_to_dev(hw), config); return status; } /** * ice_cfg_fw_log - configure FW logging * @hw: pointer to the HW struct * @enable: enable certain FW logging events if true, disable all if false * * This function enables/disables the FW logging via Rx CQ events and a UART * port based on predetermined configurations. FW logging via the Rx CQ can be * enabled/disabled for individual PF's. However, FW logging via the UART can * only be enabled/disabled for all PFs on the same device. * * To enable overall FW logging, the "cq_en" and "uart_en" enable bits in * hw->fw_log need to be set accordingly, e.g. based on user-provided input, * before initializing the device. * * When re/configuring FW logging, callers need to update the "cfg" elements of * the hw->fw_log.evnts array with the desired logging event configurations for * modules of interest. When disabling FW logging completely, the callers can * just pass false in the "enable" parameter. On completion, the function will * update the "cur" element of the hw->fw_log.evnts array with the resulting * logging event configurations of the modules that are being re/configured. FW * logging modules that are not part of a reconfiguration operation retain their * previous states. * * Before resetting the device, it is recommended that the driver disables FW * logging before shutting down the control queue. When disabling FW logging * ("enable" = false), the latest configurations of FW logging events stored in * hw->fw_log.evnts[] are not overridden to allow them to be reconfigured after * a device reset. * * When enabling FW logging to emit log messages via the Rx CQ during the * device's initialization phase, a mechanism alternative to interrupt handlers * needs to be used to extract FW log messages from the Rx CQ periodically and * to prevent the Rx CQ from being full and stalling other types of control * messages from FW to SW. Interrupts are typically disabled during the device's * initialization phase. */ static int ice_cfg_fw_log(struct ice_hw *hw, bool enable) { struct ice_aqc_fw_logging *cmd; u16 i, chgs = 0, len = 0; struct ice_aq_desc desc; __le16 *data = NULL; u8 actv_evnts = 0; void *buf = NULL; int status = 0; if (!hw->fw_log.cq_en && !hw->fw_log.uart_en) return 0; /* Disable FW logging only when the control queue is still responsive */ if (!enable && (!hw->fw_log.actv_evnts || !ice_check_sq_alive(hw, &hw->adminq))) return 0; /* Get current FW log settings */ status = ice_get_fw_log_cfg(hw); if (status) return status; ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_fw_logging); cmd = &desc.params.fw_logging; /* Indicate which controls are valid */ if (hw->fw_log.cq_en) cmd->log_ctrl_valid |= ICE_AQC_FW_LOG_AQ_VALID; if (hw->fw_log.uart_en) cmd->log_ctrl_valid |= ICE_AQC_FW_LOG_UART_VALID; if (enable) { /* Fill in an array of entries with FW logging modules and * logging events being reconfigured. */ for (i = 0; i < ICE_AQC_FW_LOG_ID_MAX; i++) { u16 val; /* Keep track of enabled event types */ actv_evnts |= hw->fw_log.evnts[i].cfg; if (hw->fw_log.evnts[i].cfg == hw->fw_log.evnts[i].cur) continue; if (!data) { data = devm_kcalloc(ice_hw_to_dev(hw), ICE_AQC_FW_LOG_ID_MAX, sizeof(*data), GFP_KERNEL); if (!data) return -ENOMEM; } val = i << ICE_AQC_FW_LOG_ID_S; val |= hw->fw_log.evnts[i].cfg << ICE_AQC_FW_LOG_EN_S; data[chgs++] = cpu_to_le16(val); } /* Only enable FW logging if at least one module is specified. * If FW logging is currently enabled but all modules are not * enabled to emit log messages, disable FW logging altogether. */ if (actv_evnts) { /* Leave if there is effectively no change */ if (!chgs) goto out; if (hw->fw_log.cq_en) cmd->log_ctrl |= ICE_AQC_FW_LOG_AQ_EN; if (hw->fw_log.uart_en) cmd->log_ctrl |= ICE_AQC_FW_LOG_UART_EN; buf = data; len = sizeof(*data) * chgs; desc.flags |= cpu_to_le16(ICE_AQ_FLAG_RD); } } status = ice_aq_send_cmd(hw, &desc, buf, len, NULL); if (!status) { /* Update the current configuration to reflect events enabled. * hw->fw_log.cq_en and hw->fw_log.uart_en indicate if the FW * logging mode is enabled for the device. They do not reflect * actual modules being enabled to emit log messages. So, their * values remain unchanged even when all modules are disabled. */ u16 cnt = enable ? chgs : (u16)ICE_AQC_FW_LOG_ID_MAX; hw->fw_log.actv_evnts = actv_evnts; for (i = 0; i < cnt; i++) { u16 v, m; if (!enable) { /* When disabling all FW logging events as part * of device's de-initialization, the original * configurations are retained, and can be used * to reconfigure FW logging later if the device * is re-initialized. */ hw->fw_log.evnts[i].cur = 0; continue; } v = le16_to_cpu(data[i]); m = (v & ICE_AQC_FW_LOG_ID_M) >> ICE_AQC_FW_LOG_ID_S; hw->fw_log.evnts[m].cur = hw->fw_log.evnts[m].cfg; } } out: if (data) devm_kfree(ice_hw_to_dev(hw), data); return status; } /** * ice_output_fw_log * @hw: pointer to the HW struct * @desc: pointer to the AQ message descriptor * @buf: pointer to the buffer accompanying the AQ message * * Formats a FW Log message and outputs it via the standard driver logs. */ void ice_output_fw_log(struct ice_hw *hw, struct ice_aq_desc *desc, void *buf) { ice_debug(hw, ICE_DBG_FW_LOG, "[ FW Log Msg Start ]\n"); ice_debug_array(hw, ICE_DBG_FW_LOG, 16, 1, (u8 *)buf, le16_to_cpu(desc->datalen)); ice_debug(hw, ICE_DBG_FW_LOG, "[ FW Log Msg End ]\n"); } /** * ice_get_itr_intrl_gran * @hw: pointer to the HW struct * * Determines the ITR/INTRL granularities based on the maximum aggregate * bandwidth according to the device's configuration during power-on. */ static void ice_get_itr_intrl_gran(struct ice_hw *hw) { u8 max_agg_bw = (rd32(hw, GL_PWR_MODE_CTL) & GL_PWR_MODE_CTL_CAR_MAX_BW_M) >> GL_PWR_MODE_CTL_CAR_MAX_BW_S; switch (max_agg_bw) { case ICE_MAX_AGG_BW_200G: case ICE_MAX_AGG_BW_100G: case ICE_MAX_AGG_BW_50G: hw->itr_gran = ICE_ITR_GRAN_ABOVE_25; hw->intrl_gran = ICE_INTRL_GRAN_ABOVE_25; break; case ICE_MAX_AGG_BW_25G: hw->itr_gran = ICE_ITR_GRAN_MAX_25; hw->intrl_gran = ICE_INTRL_GRAN_MAX_25; break; } } /** * ice_init_hw - main hardware initialization routine * @hw: pointer to the hardware structure */ int ice_init_hw(struct ice_hw *hw) { struct ice_aqc_get_phy_caps_data *pcaps; u16 mac_buf_len; void *mac_buf; int status; /* Set MAC type based on DeviceID */ status = ice_set_mac_type(hw); if (status) return status; hw->pf_id = (u8)(rd32(hw, PF_FUNC_RID) & PF_FUNC_RID_FUNC_NUM_M) >> PF_FUNC_RID_FUNC_NUM_S; status = ice_reset(hw, ICE_RESET_PFR); if (status) return status; ice_get_itr_intrl_gran(hw); status = ice_create_all_ctrlq(hw); if (status) goto err_unroll_cqinit; /* Enable FW logging. Not fatal if this fails. */ status = ice_cfg_fw_log(hw, true); if (status) ice_debug(hw, ICE_DBG_INIT, "Failed to enable FW logging.\n"); status = ice_clear_pf_cfg(hw); if (status) goto err_unroll_cqinit; /* Set bit to enable Flow Director filters */ wr32(hw, PFQF_FD_ENA, PFQF_FD_ENA_FD_ENA_M); INIT_LIST_HEAD(&hw->fdir_list_head); ice_clear_pxe_mode(hw); status = ice_init_nvm(hw); if (status) goto err_unroll_cqinit; status = ice_get_caps(hw); if (status) goto err_unroll_cqinit; if (!hw->port_info) hw->port_info = devm_kzalloc(ice_hw_to_dev(hw), sizeof(*hw->port_info), GFP_KERNEL); if (!hw->port_info) { status = -ENOMEM; goto err_unroll_cqinit; } /* set the back pointer to HW */ hw->port_info->hw = hw; /* Initialize port_info struct with switch configuration data */ status = ice_get_initial_sw_cfg(hw); if (status) goto err_unroll_alloc; hw->evb_veb = true; /* init xarray for identifying scheduling nodes uniquely */ xa_init_flags(&hw->port_info->sched_node_ids, XA_FLAGS_ALLOC); /* Query the allocated resources for Tx scheduler */ status = ice_sched_query_res_alloc(hw); if (status) { ice_debug(hw, ICE_DBG_SCHED, "Failed to get scheduler allocated resources\n"); goto err_unroll_alloc; } ice_sched_get_psm_clk_freq(hw); /* Initialize port_info struct with scheduler data */ status = ice_sched_init_port(hw->port_info); if (status) goto err_unroll_sched; pcaps = devm_kzalloc(ice_hw_to_dev(hw), sizeof(*pcaps), GFP_KERNEL); if (!pcaps) { status = -ENOMEM; goto err_unroll_sched; } /* Initialize port_info struct with PHY capabilities */ status = ice_aq_get_phy_caps(hw->port_info, false, ICE_AQC_REPORT_TOPO_CAP_MEDIA, pcaps, NULL); devm_kfree(ice_hw_to_dev(hw), pcaps); if (status) dev_warn(ice_hw_to_dev(hw), "Get PHY capabilities failed status = %d, continuing anyway\n", status); /* Initialize port_info struct with link information */ status = ice_aq_get_link_info(hw->port_info, false, NULL, NULL); if (status) goto err_unroll_sched; /* need a valid SW entry point to build a Tx tree */ if (!hw->sw_entry_point_layer) { ice_debug(hw, ICE_DBG_SCHED, "invalid sw entry point\n"); status = -EIO; goto err_unroll_sched; } INIT_LIST_HEAD(&hw->agg_list); /* Initialize max burst size */ if (!hw->max_burst_size) ice_cfg_rl_burst_size(hw, ICE_SCHED_DFLT_BURST_SIZE); status = ice_init_fltr_mgmt_struct(hw); if (status) goto err_unroll_sched; /* Get MAC information */ /* A single port can report up to two (LAN and WoL) addresses */ mac_buf = devm_kcalloc(ice_hw_to_dev(hw), 2, sizeof(struct ice_aqc_manage_mac_read_resp), GFP_KERNEL); mac_buf_len = 2 * sizeof(struct ice_aqc_manage_mac_read_resp); if (!mac_buf) { status = -ENOMEM; goto err_unroll_fltr_mgmt_struct; } status = ice_aq_manage_mac_read(hw, mac_buf, mac_buf_len, NULL); devm_kfree(ice_hw_to_dev(hw), mac_buf); if (status) goto err_unroll_fltr_mgmt_struct; /* enable jumbo frame support at MAC level */ status = ice_aq_set_mac_cfg(hw, ICE_AQ_SET_MAC_FRAME_SIZE_MAX, NULL); if (status) goto err_unroll_fltr_mgmt_struct; /* Obtain counter base index which would be used by flow director */ status = ice_alloc_fd_res_cntr(hw, &hw->fd_ctr_base); if (status) goto err_unroll_fltr_mgmt_struct; status = ice_init_hw_tbls(hw); if (status) goto err_unroll_fltr_mgmt_struct; mutex_init(&hw->tnl_lock); return 0; err_unroll_fltr_mgmt_struct: ice_cleanup_fltr_mgmt_struct(hw); err_unroll_sched: ice_sched_cleanup_all(hw); err_unroll_alloc: devm_kfree(ice_hw_to_dev(hw), hw->port_info); err_unroll_cqinit: ice_destroy_all_ctrlq(hw); return status; } /** * ice_deinit_hw - unroll initialization operations done by ice_init_hw * @hw: pointer to the hardware structure * * This should be called only during nominal operation, not as a result of * ice_init_hw() failing since ice_init_hw() will take care of unrolling * applicable initializations if it fails for any reason. */ void ice_deinit_hw(struct ice_hw *hw) { ice_free_fd_res_cntr(hw, hw->fd_ctr_base); ice_cleanup_fltr_mgmt_struct(hw); ice_sched_cleanup_all(hw); ice_sched_clear_agg(hw); ice_free_seg(hw); ice_free_hw_tbls(hw); mutex_destroy(&hw->tnl_lock); /* Attempt to disable FW logging before shutting down control queues */ ice_cfg_fw_log(hw, false); ice_destroy_all_ctrlq(hw); /* Clear VSI contexts if not already cleared */ ice_clear_all_vsi_ctx(hw); } /** * ice_check_reset - Check to see if a global reset is complete * @hw: pointer to the hardware structure */ int ice_check_reset(struct ice_hw *hw) { u32 cnt, reg = 0, grst_timeout, uld_mask; /* Poll for Device Active state in case a recent CORER, GLOBR, * or EMPR has occurred. The grst delay value is in 100ms units. * Add 1sec for outstanding AQ commands that can take a long time. */ grst_timeout = ((rd32(hw, GLGEN_RSTCTL) & GLGEN_RSTCTL_GRSTDEL_M) >> GLGEN_RSTCTL_GRSTDEL_S) + 10; for (cnt = 0; cnt < grst_timeout; cnt++) { mdelay(100); reg = rd32(hw, GLGEN_RSTAT); if (!(reg & GLGEN_RSTAT_DEVSTATE_M)) break; } if (cnt == grst_timeout) { ice_debug(hw, ICE_DBG_INIT, "Global reset polling failed to complete.\n"); return -EIO; } #define ICE_RESET_DONE_MASK (GLNVM_ULD_PCIER_DONE_M |\ GLNVM_ULD_PCIER_DONE_1_M |\ GLNVM_ULD_CORER_DONE_M |\ GLNVM_ULD_GLOBR_DONE_M |\ GLNVM_ULD_POR_DONE_M |\ GLNVM_ULD_POR_DONE_1_M |\ GLNVM_ULD_PCIER_DONE_2_M) uld_mask = ICE_RESET_DONE_MASK | (hw->func_caps.common_cap.rdma ? GLNVM_ULD_PE_DONE_M : 0); /* Device is Active; check Global Reset processes are done */ for (cnt = 0; cnt < ICE_PF_RESET_WAIT_COUNT; cnt++) { reg = rd32(hw, GLNVM_ULD) & uld_mask; if (reg == uld_mask) { ice_debug(hw, ICE_DBG_INIT, "Global reset processes done. %d\n", cnt); break; } mdelay(10); } if (cnt == ICE_PF_RESET_WAIT_COUNT) { ice_debug(hw, ICE_DBG_INIT, "Wait for Reset Done timed out. GLNVM_ULD = 0x%x\n", reg); return -EIO; } return 0; } /** * ice_pf_reset - Reset the PF * @hw: pointer to the hardware structure * * If a global reset has been triggered, this function checks * for its completion and then issues the PF reset */ static int ice_pf_reset(struct ice_hw *hw) { u32 cnt, reg; /* If at function entry a global reset was already in progress, i.e. * state is not 'device active' or any of the reset done bits are not * set in GLNVM_ULD, there is no need for a PF Reset; poll until the * global reset is done. */ if ((rd32(hw, GLGEN_RSTAT) & GLGEN_RSTAT_DEVSTATE_M) || (rd32(hw, GLNVM_ULD) & ICE_RESET_DONE_MASK) ^ ICE_RESET_DONE_MASK) { /* poll on global reset currently in progress until done */ if (ice_check_reset(hw)) return -EIO; return 0; } /* Reset the PF */ reg = rd32(hw, PFGEN_CTRL); wr32(hw, PFGEN_CTRL, (reg | PFGEN_CTRL_PFSWR_M)); /* Wait for the PFR to complete. The wait time is the global config lock * timeout plus the PFR timeout which will account for a possible reset * that is occurring during a download package operation. */ for (cnt = 0; cnt < ICE_GLOBAL_CFG_LOCK_TIMEOUT + ICE_PF_RESET_WAIT_COUNT; cnt++) { reg = rd32(hw, PFGEN_CTRL); if (!(reg & PFGEN_CTRL_PFSWR_M)) break; mdelay(1); } if (cnt == ICE_PF_RESET_WAIT_COUNT) { ice_debug(hw, ICE_DBG_INIT, "PF reset polling failed to complete.\n"); return -EIO; } return 0; } /** * ice_reset - Perform different types of reset * @hw: pointer to the hardware structure * @req: reset request * * This function triggers a reset as specified by the req parameter. * * Note: * If anything other than a PF reset is triggered, PXE mode is restored. * This has to be cleared using ice_clear_pxe_mode again, once the AQ * interface has been restored in the rebuild flow. */ int ice_reset(struct ice_hw *hw, enum ice_reset_req req) { u32 val = 0; switch (req) { case ICE_RESET_PFR: return ice_pf_reset(hw); case ICE_RESET_CORER: ice_debug(hw, ICE_DBG_INIT, "CoreR requested\n"); val = GLGEN_RTRIG_CORER_M; break; case ICE_RESET_GLOBR: ice_debug(hw, ICE_DBG_INIT, "GlobalR requested\n"); val = GLGEN_RTRIG_GLOBR_M; break; default: return -EINVAL; } val |= rd32(hw, GLGEN_RTRIG); wr32(hw, GLGEN_RTRIG, val); ice_flush(hw); /* wait for the FW to be ready */ return ice_check_reset(hw); } /** * ice_copy_rxq_ctx_to_hw * @hw: pointer to the hardware structure * @ice_rxq_ctx: pointer to the rxq context * @rxq_index: the index of the Rx queue * * Copies rxq context from dense structure to HW register space */ static int ice_copy_rxq_ctx_to_hw(struct ice_hw *hw, u8 *ice_rxq_ctx, u32 rxq_index) { u8 i; if (!ice_rxq_ctx) return -EINVAL; if (rxq_index > QRX_CTRL_MAX_INDEX) return -EINVAL; /* Copy each dword separately to HW */ for (i = 0; i < ICE_RXQ_CTX_SIZE_DWORDS; i++) { wr32(hw, QRX_CONTEXT(i, rxq_index), *((u32 *)(ice_rxq_ctx + (i * sizeof(u32))))); ice_debug(hw, ICE_DBG_QCTX, "qrxdata[%d]: %08X\n", i, *((u32 *)(ice_rxq_ctx + (i * sizeof(u32))))); } return 0; } /* LAN Rx Queue Context */ static const struct ice_ctx_ele ice_rlan_ctx_info[] = { /* Field Width LSB */ ICE_CTX_STORE(ice_rlan_ctx, head, 13, 0), ICE_CTX_STORE(ice_rlan_ctx, cpuid, 8, 13), ICE_CTX_STORE(ice_rlan_ctx, base, 57, 32), ICE_CTX_STORE(ice_rlan_ctx, qlen, 13, 89), ICE_CTX_STORE(ice_rlan_ctx, dbuf, 7, 102), ICE_CTX_STORE(ice_rlan_ctx, hbuf, 5, 109), ICE_CTX_STORE(ice_rlan_ctx, dtype, 2, 114), ICE_CTX_STORE(ice_rlan_ctx, dsize, 1, 116), ICE_CTX_STORE(ice_rlan_ctx, crcstrip, 1, 117), ICE_CTX_STORE(ice_rlan_ctx, l2tsel, 1, 119), ICE_CTX_STORE(ice_rlan_ctx, hsplit_0, 4, 120), ICE_CTX_STORE(ice_rlan_ctx, hsplit_1, 2, 124), ICE_CTX_STORE(ice_rlan_ctx, showiv, 1, 127), ICE_CTX_STORE(ice_rlan_ctx, rxmax, 14, 174), ICE_CTX_STORE(ice_rlan_ctx, tphrdesc_ena, 1, 193), ICE_CTX_STORE(ice_rlan_ctx, tphwdesc_ena, 1, 194), ICE_CTX_STORE(ice_rlan_ctx, tphdata_ena, 1, 195), ICE_CTX_STORE(ice_rlan_ctx, tphhead_ena, 1, 196), ICE_CTX_STORE(ice_rlan_ctx, lrxqthresh, 3, 198), ICE_CTX_STORE(ice_rlan_ctx, prefena, 1, 201), { 0 } }; /** * ice_write_rxq_ctx * @hw: pointer to the hardware structure * @rlan_ctx: pointer to the rxq context * @rxq_index: the index of the Rx queue * * Converts rxq context from sparse to dense structure and then writes * it to HW register space and enables the hardware to prefetch descriptors * instead of only fetching them on demand */ int ice_write_rxq_ctx(struct ice_hw *hw, struct ice_rlan_ctx *rlan_ctx, u32 rxq_index) { u8 ctx_buf[ICE_RXQ_CTX_SZ] = { 0 }; if (!rlan_ctx) return -EINVAL; rlan_ctx->prefena = 1; ice_set_ctx(hw, (u8 *)rlan_ctx, ctx_buf, ice_rlan_ctx_info); return ice_copy_rxq_ctx_to_hw(hw, ctx_buf, rxq_index); } /* LAN Tx Queue Context */ const struct ice_ctx_ele ice_tlan_ctx_info[] = { /* Field Width LSB */ ICE_CTX_STORE(ice_tlan_ctx, base, 57, 0), ICE_CTX_STORE(ice_tlan_ctx, port_num, 3, 57), ICE_CTX_STORE(ice_tlan_ctx, cgd_num, 5, 60), ICE_CTX_STORE(ice_tlan_ctx, pf_num, 3, 65), ICE_CTX_STORE(ice_tlan_ctx, vmvf_num, 10, 68), ICE_CTX_STORE(ice_tlan_ctx, vmvf_type, 2, 78), ICE_CTX_STORE(ice_tlan_ctx, src_vsi, 10, 80), ICE_CTX_STORE(ice_tlan_ctx, tsyn_ena, 1, 90), ICE_CTX_STORE(ice_tlan_ctx, internal_usage_flag, 1, 91), ICE_CTX_STORE(ice_tlan_ctx, alt_vlan, 1, 92), ICE_CTX_STORE(ice_tlan_ctx, cpuid, 8, 93), ICE_CTX_STORE(ice_tlan_ctx, wb_mode, 1, 101), ICE_CTX_STORE(ice_tlan_ctx, tphrd_desc, 1, 102), ICE_CTX_STORE(ice_tlan_ctx, tphrd, 1, 103), ICE_CTX_STORE(ice_tlan_ctx, tphwr_desc, 1, 104), ICE_CTX_STORE(ice_tlan_ctx, cmpq_id, 9, 105), ICE_CTX_STORE(ice_tlan_ctx, qnum_in_func, 14, 114), ICE_CTX_STORE(ice_tlan_ctx, itr_notification_mode, 1, 128), ICE_CTX_STORE(ice_tlan_ctx, adjust_prof_id, 6, 129), ICE_CTX_STORE(ice_tlan_ctx, qlen, 13, 135), ICE_CTX_STORE(ice_tlan_ctx, quanta_prof_idx, 4, 148), ICE_CTX_STORE(ice_tlan_ctx, tso_ena, 1, 152), ICE_CTX_STORE(ice_tlan_ctx, tso_qnum, 11, 153), ICE_CTX_STORE(ice_tlan_ctx, legacy_int, 1, 164), ICE_CTX_STORE(ice_tlan_ctx, drop_ena, 1, 165), ICE_CTX_STORE(ice_tlan_ctx, cache_prof_idx, 2, 166), ICE_CTX_STORE(ice_tlan_ctx, pkt_shaper_prof_idx, 3, 168), ICE_CTX_STORE(ice_tlan_ctx, int_q_state, 122, 171), { 0 } }; /* Sideband Queue command wrappers */ /** * ice_sbq_send_cmd - send Sideband Queue command to Sideband Queue * @hw: pointer to the HW struct * @desc: descriptor describing the command * @buf: buffer to use for indirect commands (NULL for direct commands) * @buf_size: size of buffer for indirect commands (0 for direct commands) * @cd: pointer to command details structure */ static int ice_sbq_send_cmd(struct ice_hw *hw, struct ice_sbq_cmd_desc *desc, void *buf, u16 buf_size, struct ice_sq_cd *cd) { return ice_sq_send_cmd(hw, ice_get_sbq(hw), (struct ice_aq_desc *)desc, buf, buf_size, cd); } /** * ice_sbq_rw_reg - Fill Sideband Queue command * @hw: pointer to the HW struct * @in: message info to be filled in descriptor */ int ice_sbq_rw_reg(struct ice_hw *hw, struct ice_sbq_msg_input *in) { struct ice_sbq_cmd_desc desc = {0}; struct ice_sbq_msg_req msg = {0}; u16 msg_len; int status; msg_len = sizeof(msg); msg.dest_dev = in->dest_dev; msg.opcode = in->opcode; msg.flags = ICE_SBQ_MSG_FLAGS; msg.sbe_fbe = ICE_SBQ_MSG_SBE_FBE; msg.msg_addr_low = cpu_to_le16(in->msg_addr_low); msg.msg_addr_high = cpu_to_le32(in->msg_addr_high); if (in->opcode) msg.data = cpu_to_le32(in->data); else /* data read comes back in completion, so shorten the struct by * sizeof(msg.data) */ msg_len -= sizeof(msg.data); desc.flags = cpu_to_le16(ICE_AQ_FLAG_RD); desc.opcode = cpu_to_le16(ice_sbq_opc_neigh_dev_req); desc.param0.cmd_len = cpu_to_le16(msg_len); status = ice_sbq_send_cmd(hw, &desc, &msg, msg_len, NULL); if (!status && !in->opcode) in->data = le32_to_cpu (((struct ice_sbq_msg_cmpl *)&msg)->data); return status; } /* FW Admin Queue command wrappers */ /* Software lock/mutex that is meant to be held while the Global Config Lock * in firmware is acquired by the software to prevent most (but not all) types * of AQ commands from being sent to FW */ DEFINE_MUTEX(ice_global_cfg_lock_sw); /** * ice_should_retry_sq_send_cmd * @opcode: AQ opcode * * Decide if we should retry the send command routine for the ATQ, depending * on the opcode. */ static bool ice_should_retry_sq_send_cmd(u16 opcode) { switch (opcode) { case ice_aqc_opc_get_link_topo: case ice_aqc_opc_lldp_stop: case ice_aqc_opc_lldp_start: case ice_aqc_opc_lldp_filter_ctrl: return true; } return false; } /** * ice_sq_send_cmd_retry - send command to Control Queue (ATQ) * @hw: pointer to the HW struct * @cq: pointer to the specific Control queue * @desc: prefilled descriptor describing the command * @buf: buffer to use for indirect commands (or NULL for direct commands) * @buf_size: size of buffer for indirect commands (or 0 for direct commands) * @cd: pointer to command details structure * * Retry sending the FW Admin Queue command, multiple times, to the FW Admin * Queue if the EBUSY AQ error is returned. */ static int ice_sq_send_cmd_retry(struct ice_hw *hw, struct ice_ctl_q_info *cq, struct ice_aq_desc *desc, void *buf, u16 buf_size, struct ice_sq_cd *cd) { struct ice_aq_desc desc_cpy; bool is_cmd_for_retry; u8 *buf_cpy = NULL; u8 idx = 0; u16 opcode; int status; opcode = le16_to_cpu(desc->opcode); is_cmd_for_retry = ice_should_retry_sq_send_cmd(opcode); memset(&desc_cpy, 0, sizeof(desc_cpy)); if (is_cmd_for_retry) { if (buf) { buf_cpy = kzalloc(buf_size, GFP_KERNEL); if (!buf_cpy) return -ENOMEM; } memcpy(&desc_cpy, desc, sizeof(desc_cpy)); } do { status = ice_sq_send_cmd(hw, cq, desc, buf, buf_size, cd); if (!is_cmd_for_retry || !status || hw->adminq.sq_last_status != ICE_AQ_RC_EBUSY) break; if (buf_cpy) memcpy(buf, buf_cpy, buf_size); memcpy(desc, &desc_cpy, sizeof(desc_cpy)); mdelay(ICE_SQ_SEND_DELAY_TIME_MS); } while (++idx < ICE_SQ_SEND_MAX_EXECUTE); kfree(buf_cpy); return status; } /** * ice_aq_send_cmd - send FW Admin Queue command to FW Admin Queue * @hw: pointer to the HW struct * @desc: descriptor describing the command * @buf: buffer to use for indirect commands (NULL for direct commands) * @buf_size: size of buffer for indirect commands (0 for direct commands) * @cd: pointer to command details structure * * Helper function to send FW Admin Queue commands to the FW Admin Queue. */ int ice_aq_send_cmd(struct ice_hw *hw, struct ice_aq_desc *desc, void *buf, u16 buf_size, struct ice_sq_cd *cd) { struct ice_aqc_req_res *cmd = &desc->params.res_owner; bool lock_acquired = false; int status; /* When a package download is in process (i.e. when the firmware's * Global Configuration Lock resource is held), only the Download * Package, Get Version, Get Package Info List, Upload Section, * Update Package, Set Port Parameters, Get/Set VLAN Mode Parameters, * Add Recipe, Set Recipes to Profile Association, Get Recipe, and Get * Recipes to Profile Association, and Release Resource (with resource * ID set to Global Config Lock) AdminQ commands are allowed; all others * must block until the package download completes and the Global Config * Lock is released. See also ice_acquire_global_cfg_lock(). */ switch (le16_to_cpu(desc->opcode)) { case ice_aqc_opc_download_pkg: case ice_aqc_opc_get_pkg_info_list: case ice_aqc_opc_get_ver: case ice_aqc_opc_upload_section: case ice_aqc_opc_update_pkg: case ice_aqc_opc_set_port_params: case ice_aqc_opc_get_vlan_mode_parameters: case ice_aqc_opc_set_vlan_mode_parameters: case ice_aqc_opc_add_recipe: case ice_aqc_opc_recipe_to_profile: case ice_aqc_opc_get_recipe: case ice_aqc_opc_get_recipe_to_profile: break; case ice_aqc_opc_release_res: if (le16_to_cpu(cmd->res_id) == ICE_AQC_RES_ID_GLBL_LOCK) break; fallthrough; default: mutex_lock(&ice_global_cfg_lock_sw); lock_acquired = true; break; } status = ice_sq_send_cmd_retry(hw, &hw->adminq, desc, buf, buf_size, cd); if (lock_acquired) mutex_unlock(&ice_global_cfg_lock_sw); return status; } /** * ice_aq_get_fw_ver * @hw: pointer to the HW struct * @cd: pointer to command details structure or NULL * * Get the firmware version (0x0001) from the admin queue commands */ int ice_aq_get_fw_ver(struct ice_hw *hw, struct ice_sq_cd *cd) { struct ice_aqc_get_ver *resp; struct ice_aq_desc desc; int status; resp = &desc.params.get_ver; ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_ver); status = ice_aq_send_cmd(hw, &desc, NULL, 0, cd); if (!status) { hw->fw_branch = resp->fw_branch; hw->fw_maj_ver = resp->fw_major; hw->fw_min_ver = resp->fw_minor; hw->fw_patch = resp->fw_patch; hw->fw_build = le32_to_cpu(resp->fw_build); hw->api_branch = resp->api_branch; hw->api_maj_ver = resp->api_major; hw->api_min_ver = resp->api_minor; hw->api_patch = resp->api_patch; } return status; } /** * ice_aq_send_driver_ver * @hw: pointer to the HW struct * @dv: driver's major, minor version * @cd: pointer to command details structure or NULL * * Send the driver version (0x0002) to the firmware */ int ice_aq_send_driver_ver(struct ice_hw *hw, struct ice_driver_ver *dv, struct ice_sq_cd *cd) { struct ice_aqc_driver_ver *cmd; struct ice_aq_desc desc; u16 len; cmd = &desc.params.driver_ver; if (!dv) return -EINVAL; ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_driver_ver); desc.flags |= cpu_to_le16(ICE_AQ_FLAG_RD); cmd->major_ver = dv->major_ver; cmd->minor_ver = dv->minor_ver; cmd->build_ver = dv->build_ver; cmd->subbuild_ver = dv->subbuild_ver; len = 0; while (len < sizeof(dv->driver_string) && isascii(dv->driver_string[len]) && dv->driver_string[len]) len++; return ice_aq_send_cmd(hw, &desc, dv->driver_string, len, cd); } /** * ice_aq_q_shutdown * @hw: pointer to the HW struct * @unloading: is the driver unloading itself * * Tell the Firmware that we're shutting down the AdminQ and whether * or not the driver is unloading as well (0x0003). */ int ice_aq_q_shutdown(struct ice_hw *hw, bool unloading) { struct ice_aqc_q_shutdown *cmd; struct ice_aq_desc desc; cmd = &desc.params.q_shutdown; ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_q_shutdown); if (unloading) cmd->driver_unloading = ICE_AQC_DRIVER_UNLOADING; return ice_aq_send_cmd(hw, &desc, NULL, 0, NULL); } /** * ice_aq_req_res * @hw: pointer to the HW struct * @res: resource ID * @access: access type * @sdp_number: resource number * @timeout: the maximum time in ms that the driver may hold the resource * @cd: pointer to command details structure or NULL * * Requests common resource using the admin queue commands (0x0008). * When attempting to acquire the Global Config Lock, the driver can * learn of three states: * 1) 0 - acquired lock, and can perform download package * 2) -EIO - did not get lock, driver should fail to load * 3) -EALREADY - did not get lock, but another driver has * successfully downloaded the package; the driver does * not have to download the package and can continue * loading * * Note that if the caller is in an acquire lock, perform action, release lock * phase of operation, it is possible that the FW may detect a timeout and issue * a CORER. In this case, the driver will receive a CORER interrupt and will * have to determine its cause. The calling thread that is handling this flow * will likely get an error propagated back to it indicating the Download * Package, Update Package or the Release Resource AQ commands timed out. */ static int ice_aq_req_res(struct ice_hw *hw, enum ice_aq_res_ids res, enum ice_aq_res_access_type access, u8 sdp_number, u32 *timeout, struct ice_sq_cd *cd) { struct ice_aqc_req_res *cmd_resp; struct ice_aq_desc desc; int status; cmd_resp = &desc.params.res_owner; ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_req_res); cmd_resp->res_id = cpu_to_le16(res); cmd_resp->access_type = cpu_to_le16(access); cmd_resp->res_number = cpu_to_le32(sdp_number); cmd_resp->timeout = cpu_to_le32(*timeout); *timeout = 0; status = ice_aq_send_cmd(hw, &desc, NULL, 0, cd); /* The completion specifies the maximum time in ms that the driver * may hold the resource in the Timeout field. */ /* Global config lock response utilizes an additional status field. * * If the Global config lock resource is held by some other driver, the * command completes with ICE_AQ_RES_GLBL_IN_PROG in the status field * and the timeout field indicates the maximum time the current owner * of the resource has to free it. */ if (res == ICE_GLOBAL_CFG_LOCK_RES_ID) { if (le16_to_cpu(cmd_resp->status) == ICE_AQ_RES_GLBL_SUCCESS) { *timeout = le32_to_cpu(cmd_resp->timeout); return 0; } else if (le16_to_cpu(cmd_resp->status) == ICE_AQ_RES_GLBL_IN_PROG) { *timeout = le32_to_cpu(cmd_resp->timeout); return -EIO; } else if (le16_to_cpu(cmd_resp->status) == ICE_AQ_RES_GLBL_DONE) { return -EALREADY; } /* invalid FW response, force a timeout immediately */ *timeout = 0; return -EIO; } /* If the resource is held by some other driver, the command completes * with a busy return value and the timeout field indicates the maximum * time the current owner of the resource has to free it. */ if (!status || hw->adminq.sq_last_status == ICE_AQ_RC_EBUSY) *timeout = le32_to_cpu(cmd_resp->timeout); return status; } /** * ice_aq_release_res * @hw: pointer to the HW struct * @res: resource ID * @sdp_number: resource number * @cd: pointer to command details structure or NULL * * release common resource using the admin queue commands (0x0009) */ static int ice_aq_release_res(struct ice_hw *hw, enum ice_aq_res_ids res, u8 sdp_number, struct ice_sq_cd *cd) { struct ice_aqc_req_res *cmd; struct ice_aq_desc desc; cmd = &desc.params.res_owner; ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_release_res); cmd->res_id = cpu_to_le16(res); cmd->res_number = cpu_to_le32(sdp_number); return ice_aq_send_cmd(hw, &desc, NULL, 0, cd); } /** * ice_acquire_res * @hw: pointer to the HW structure * @res: resource ID * @access: access type (read or write) * @timeout: timeout in milliseconds * * This function will attempt to acquire the ownership of a resource. */ int ice_acquire_res(struct ice_hw *hw, enum ice_aq_res_ids res, enum ice_aq_res_access_type access, u32 timeout) { #define ICE_RES_POLLING_DELAY_MS 10 u32 delay = ICE_RES_POLLING_DELAY_MS; u32 time_left = timeout; int status; status = ice_aq_req_res(hw, res, access, 0, &time_left, NULL); /* A return code of -EALREADY means that another driver has * previously acquired the resource and performed any necessary updates; * in this case the caller does not obtain the resource and has no * further work to do. */ if (status == -EALREADY) goto ice_acquire_res_exit; if (status) ice_debug(hw, ICE_DBG_RES, "resource %d acquire type %d failed.\n", res, access); /* If necessary, poll until the current lock owner timeouts */ timeout = time_left; while (status && timeout && time_left) { mdelay(delay); timeout = (timeout > delay) ? timeout - delay : 0; status = ice_aq_req_res(hw, res, access, 0, &time_left, NULL); if (status == -EALREADY) /* lock free, but no work to do */ break; if (!status) /* lock acquired */ break; } if (status && status != -EALREADY) ice_debug(hw, ICE_DBG_RES, "resource acquire timed out.\n"); ice_acquire_res_exit: if (status == -EALREADY) { if (access == ICE_RES_WRITE) ice_debug(hw, ICE_DBG_RES, "resource indicates no work to do.\n"); else ice_debug(hw, ICE_DBG_RES, "Warning: -EALREADY not expected\n"); } return status; } /** * ice_release_res * @hw: pointer to the HW structure * @res: resource ID * * This function will release a resource using the proper Admin Command. */ void ice_release_res(struct ice_hw *hw, enum ice_aq_res_ids res) { u32 total_delay = 0; int status; status = ice_aq_release_res(hw, res, 0, NULL); /* there are some rare cases when trying to release the resource * results in an admin queue timeout, so handle them correctly */ while ((status == -EIO) && (total_delay < hw->adminq.sq_cmd_timeout)) { mdelay(1); status = ice_aq_release_res(hw, res, 0, NULL); total_delay++; } } /** * ice_aq_alloc_free_res - command to allocate/free resources * @hw: pointer to the HW struct * @num_entries: number of resource entries in buffer * @buf: Indirect buffer to hold data parameters and response * @buf_size: size of buffer for indirect commands * @opc: pass in the command opcode * @cd: pointer to command details structure or NULL * * Helper function to allocate/free resources using the admin queue commands */ int ice_aq_alloc_free_res(struct ice_hw *hw, u16 num_entries, struct ice_aqc_alloc_free_res_elem *buf, u16 buf_size, enum ice_adminq_opc opc, struct ice_sq_cd *cd) { struct ice_aqc_alloc_free_res_cmd *cmd; struct ice_aq_desc desc; cmd = &desc.params.sw_res_ctrl; if (!buf) return -EINVAL; if (buf_size < flex_array_size(buf, elem, num_entries)) return -EINVAL; ice_fill_dflt_direct_cmd_desc(&desc, opc); desc.flags |= cpu_to_le16(ICE_AQ_FLAG_RD); cmd->num_entries = cpu_to_le16(num_entries); return ice_aq_send_cmd(hw, &desc, buf, buf_size, cd); } /** * ice_alloc_hw_res - allocate resource * @hw: pointer to the HW struct * @type: type of resource * @num: number of resources to allocate * @btm: allocate from bottom * @res: pointer to array that will receive the resources */ int ice_alloc_hw_res(struct ice_hw *hw, u16 type, u16 num, bool btm, u16 *res) { struct ice_aqc_alloc_free_res_elem *buf; u16 buf_len; int status; buf_len = struct_size(buf, elem, num); buf = kzalloc(buf_len, GFP_KERNEL); if (!buf) return -ENOMEM; /* Prepare buffer to allocate resource. */ buf->num_elems = cpu_to_le16(num); buf->res_type = cpu_to_le16(type | ICE_AQC_RES_TYPE_FLAG_DEDICATED | ICE_AQC_RES_TYPE_FLAG_IGNORE_INDEX); if (btm) buf->res_type |= cpu_to_le16(ICE_AQC_RES_TYPE_FLAG_SCAN_BOTTOM); status = ice_aq_alloc_free_res(hw, 1, buf, buf_len, ice_aqc_opc_alloc_res, NULL); if (status) goto ice_alloc_res_exit; memcpy(res, buf->elem, sizeof(*buf->elem) * num); ice_alloc_res_exit: kfree(buf); return status; } /** * ice_free_hw_res - free allocated HW resource * @hw: pointer to the HW struct * @type: type of resource to free * @num: number of resources * @res: pointer to array that contains the resources to free */ int ice_free_hw_res(struct ice_hw *hw, u16 type, u16 num, u16 *res) { struct ice_aqc_alloc_free_res_elem *buf; u16 buf_len; int status; buf_len = struct_size(buf, elem, num); buf = kzalloc(buf_len, GFP_KERNEL); if (!buf) return -ENOMEM; /* Prepare buffer to free resource. */ buf->num_elems = cpu_to_le16(num); buf->res_type = cpu_to_le16(type); memcpy(buf->elem, res, sizeof(*buf->elem) * num); status = ice_aq_alloc_free_res(hw, num, buf, buf_len, ice_aqc_opc_free_res, NULL); if (status) ice_debug(hw, ICE_DBG_SW, "CQ CMD Buffer:\n"); kfree(buf); return status; } /** * ice_get_num_per_func - determine number of resources per PF * @hw: pointer to the HW structure * @max: value to be evenly split between each PF * * Determine the number of valid functions by going through the bitmap returned * from parsing capabilities and use this to calculate the number of resources * per PF based on the max value passed in. */ static u32 ice_get_num_per_func(struct ice_hw *hw, u32 max) { u8 funcs; #define ICE_CAPS_VALID_FUNCS_M 0xFF funcs = hweight8(hw->dev_caps.common_cap.valid_functions & ICE_CAPS_VALID_FUNCS_M); if (!funcs) return 0; return max / funcs; } /** * ice_parse_common_caps - parse common device/function capabilities * @hw: pointer to the HW struct * @caps: pointer to common capabilities structure * @elem: the capability element to parse * @prefix: message prefix for tracing capabilities * * Given a capability element, extract relevant details into the common * capability structure. * * Returns: true if the capability matches one of the common capability ids, * false otherwise. */ static bool ice_parse_common_caps(struct ice_hw *hw, struct ice_hw_common_caps *caps, struct ice_aqc_list_caps_elem *elem, const char *prefix) { u32 logical_id = le32_to_cpu(elem->logical_id); u32 phys_id = le32_to_cpu(elem->phys_id); u32 number = le32_to_cpu(elem->number); u16 cap = le16_to_cpu(elem->cap); bool found = true; switch (cap) { case ICE_AQC_CAPS_VALID_FUNCTIONS: caps->valid_functions = number; ice_debug(hw, ICE_DBG_INIT, "%s: valid_functions (bitmap) = %d\n", prefix, caps->valid_functions); break; case ICE_AQC_CAPS_SRIOV: caps->sr_iov_1_1 = (number == 1); ice_debug(hw, ICE_DBG_INIT, "%s: sr_iov_1_1 = %d\n", prefix, caps->sr_iov_1_1); break; case ICE_AQC_CAPS_DCB: caps->dcb = (number == 1); caps->active_tc_bitmap = logical_id; caps->maxtc = phys_id; ice_debug(hw, ICE_DBG_INIT, "%s: dcb = %d\n", prefix, caps->dcb); ice_debug(hw, ICE_DBG_INIT, "%s: active_tc_bitmap = %d\n", prefix, caps->active_tc_bitmap); ice_debug(hw, ICE_DBG_INIT, "%s: maxtc = %d\n", prefix, caps->maxtc); break; case ICE_AQC_CAPS_RSS: caps->rss_table_size = number; caps->rss_table_entry_width = logical_id; ice_debug(hw, ICE_DBG_INIT, "%s: rss_table_size = %d\n", prefix, caps->rss_table_size); ice_debug(hw, ICE_DBG_INIT, "%s: rss_table_entry_width = %d\n", prefix, caps->rss_table_entry_width); break; case ICE_AQC_CAPS_RXQS: caps->num_rxq = number; caps->rxq_first_id = phys_id; ice_debug(hw, ICE_DBG_INIT, "%s: num_rxq = %d\n", prefix, caps->num_rxq); ice_debug(hw, ICE_DBG_INIT, "%s: rxq_first_id = %d\n", prefix, caps->rxq_first_id); break; case ICE_AQC_CAPS_TXQS: caps->num_txq = number; caps->txq_first_id = phys_id; ice_debug(hw, ICE_DBG_INIT, "%s: num_txq = %d\n", prefix, caps->num_txq); ice_debug(hw, ICE_DBG_INIT, "%s: txq_first_id = %d\n", prefix, caps->txq_first_id); break; case ICE_AQC_CAPS_MSIX: caps->num_msix_vectors = number; caps->msix_vector_first_id = phys_id; ice_debug(hw, ICE_DBG_INIT, "%s: num_msix_vectors = %d\n", prefix, caps->num_msix_vectors); ice_debug(hw, ICE_DBG_INIT, "%s: msix_vector_first_id = %d\n", prefix, caps->msix_vector_first_id); break; case ICE_AQC_CAPS_PENDING_NVM_VER: caps->nvm_update_pending_nvm = true; ice_debug(hw, ICE_DBG_INIT, "%s: update_pending_nvm\n", prefix); break; case ICE_AQC_CAPS_PENDING_OROM_VER: caps->nvm_update_pending_orom = true; ice_debug(hw, ICE_DBG_INIT, "%s: update_pending_orom\n", prefix); break; case ICE_AQC_CAPS_PENDING_NET_VER: caps->nvm_update_pending_netlist = true; ice_debug(hw, ICE_DBG_INIT, "%s: update_pending_netlist\n", prefix); break; case ICE_AQC_CAPS_NVM_MGMT: caps->nvm_unified_update = (number & ICE_NVM_MGMT_UNIFIED_UPD_SUPPORT) ? true : false; ice_debug(hw, ICE_DBG_INIT, "%s: nvm_unified_update = %d\n", prefix, caps->nvm_unified_update); break; case ICE_AQC_CAPS_RDMA: caps->rdma = (number == 1); ice_debug(hw, ICE_DBG_INIT, "%s: rdma = %d\n", prefix, caps->rdma); break; case ICE_AQC_CAPS_MAX_MTU: caps->max_mtu = number; ice_debug(hw, ICE_DBG_INIT, "%s: max_mtu = %d\n", prefix, caps->max_mtu); break; case ICE_AQC_CAPS_PCIE_RESET_AVOIDANCE: caps->pcie_reset_avoidance = (number > 0); ice_debug(hw, ICE_DBG_INIT, "%s: pcie_reset_avoidance = %d\n", prefix, caps->pcie_reset_avoidance); break; case ICE_AQC_CAPS_POST_UPDATE_RESET_RESTRICT: caps->reset_restrict_support = (number == 1); ice_debug(hw, ICE_DBG_INIT, "%s: reset_restrict_support = %d\n", prefix, caps->reset_restrict_support); break; default: /* Not one of the recognized common capabilities */ found = false; } return found; } /** * ice_recalc_port_limited_caps - Recalculate port limited capabilities * @hw: pointer to the HW structure * @caps: pointer to capabilities structure to fix * * Re-calculate the capabilities that are dependent on the number of physical * ports; i.e. some features are not supported or function differently on * devices with more than 4 ports. */ static void ice_recalc_port_limited_caps(struct ice_hw *hw, struct ice_hw_common_caps *caps) { /* This assumes device capabilities are always scanned before function * capabilities during the initialization flow. */ if (hw->dev_caps.num_funcs > 4) { /* Max 4 TCs per port */ caps->maxtc = 4; ice_debug(hw, ICE_DBG_INIT, "reducing maxtc to %d (based on #ports)\n", caps->maxtc); if (caps->rdma) { ice_debug(hw, ICE_DBG_INIT, "forcing RDMA off\n"); caps->rdma = 0; } /* print message only when processing device capabilities * during initialization. */ if (caps == &hw->dev_caps.common_cap) dev_info(ice_hw_to_dev(hw), "RDMA functionality is not available with the current device configuration.\n"); } } /** * ice_parse_vf_func_caps - Parse ICE_AQC_CAPS_VF function caps * @hw: pointer to the HW struct * @func_p: pointer to function capabilities structure * @cap: pointer to the capability element to parse * * Extract function capabilities for ICE_AQC_CAPS_VF. */ static void ice_parse_vf_func_caps(struct ice_hw *hw, struct ice_hw_func_caps *func_p, struct ice_aqc_list_caps_elem *cap) { u32 logical_id = le32_to_cpu(cap->logical_id); u32 number = le32_to_cpu(cap->number); func_p->num_allocd_vfs = number; func_p->vf_base_id = logical_id; ice_debug(hw, ICE_DBG_INIT, "func caps: num_allocd_vfs = %d\n", func_p->num_allocd_vfs); ice_debug(hw, ICE_DBG_INIT, "func caps: vf_base_id = %d\n", func_p->vf_base_id); } /** * ice_parse_vsi_func_caps - Parse ICE_AQC_CAPS_VSI function caps * @hw: pointer to the HW struct * @func_p: pointer to function capabilities structure * @cap: pointer to the capability element to parse * * Extract function capabilities for ICE_AQC_CAPS_VSI. */ static void ice_parse_vsi_func_caps(struct ice_hw *hw, struct ice_hw_func_caps *func_p, struct ice_aqc_list_caps_elem *cap) { func_p->guar_num_vsi = ice_get_num_per_func(hw, ICE_MAX_VSI); ice_debug(hw, ICE_DBG_INIT, "func caps: guar_num_vsi (fw) = %d\n", le32_to_cpu(cap->number)); ice_debug(hw, ICE_DBG_INIT, "func caps: guar_num_vsi = %d\n", func_p->guar_num_vsi); } /** * ice_parse_1588_func_caps - Parse ICE_AQC_CAPS_1588 function caps * @hw: pointer to the HW struct * @func_p: pointer to function capabilities structure * @cap: pointer to the capability element to parse * * Extract function capabilities for ICE_AQC_CAPS_1588. */ static void ice_parse_1588_func_caps(struct ice_hw *hw, struct ice_hw_func_caps *func_p, struct ice_aqc_list_caps_elem *cap) { struct ice_ts_func_info *info = &func_p->ts_func_info; u32 number = le32_to_cpu(cap->number); info->ena = ((number & ICE_TS_FUNC_ENA_M) != 0); func_p->common_cap.ieee_1588 = info->ena; info->src_tmr_owned = ((number & ICE_TS_SRC_TMR_OWND_M) != 0); info->tmr_ena = ((number & ICE_TS_TMR_ENA_M) != 0); info->tmr_index_owned = ((number & ICE_TS_TMR_IDX_OWND_M) != 0); info->tmr_index_assoc = ((number & ICE_TS_TMR_IDX_ASSOC_M) != 0); info->clk_freq = (number & ICE_TS_CLK_FREQ_M) >> ICE_TS_CLK_FREQ_S; info->clk_src = ((number & ICE_TS_CLK_SRC_M) != 0); if (info->clk_freq < NUM_ICE_TIME_REF_FREQ) { info->time_ref = (enum ice_time_ref_freq)info->clk_freq; } else { /* Unknown clock frequency, so assume a (probably incorrect) * default to avoid out-of-bounds look ups of frequency * related information. */ ice_debug(hw, ICE_DBG_INIT, "1588 func caps: unknown clock frequency %u\n", info->clk_freq); info->time_ref = ICE_TIME_REF_FREQ_25_000; } ice_debug(hw, ICE_DBG_INIT, "func caps: ieee_1588 = %u\n", func_p->common_cap.ieee_1588); ice_debug(hw, ICE_DBG_INIT, "func caps: src_tmr_owned = %u\n", info->src_tmr_owned); ice_debug(hw, ICE_DBG_INIT, "func caps: tmr_ena = %u\n", info->tmr_ena); ice_debug(hw, ICE_DBG_INIT, "func caps: tmr_index_owned = %u\n", info->tmr_index_owned); ice_debug(hw, ICE_DBG_INIT, "func caps: tmr_index_assoc = %u\n", info->tmr_index_assoc); ice_debug(hw, ICE_DBG_INIT, "func caps: clk_freq = %u\n", info->clk_freq); ice_debug(hw, ICE_DBG_INIT, "func caps: clk_src = %u\n", info->clk_src); } /** * ice_parse_fdir_func_caps - Parse ICE_AQC_CAPS_FD function caps * @hw: pointer to the HW struct * @func_p: pointer to function capabilities structure * * Extract function capabilities for ICE_AQC_CAPS_FD. */ static void ice_parse_fdir_func_caps(struct ice_hw *hw, struct ice_hw_func_caps *func_p) { u32 reg_val, val; reg_val = rd32(hw, GLQF_FD_SIZE); val = (reg_val & GLQF_FD_SIZE_FD_GSIZE_M) >> GLQF_FD_SIZE_FD_GSIZE_S; func_p->fd_fltr_guar = ice_get_num_per_func(hw, val); val = (reg_val & GLQF_FD_SIZE_FD_BSIZE_M) >> GLQF_FD_SIZE_FD_BSIZE_S; func_p->fd_fltr_best_effort = val; ice_debug(hw, ICE_DBG_INIT, "func caps: fd_fltr_guar = %d\n", func_p->fd_fltr_guar); ice_debug(hw, ICE_DBG_INIT, "func caps: fd_fltr_best_effort = %d\n", func_p->fd_fltr_best_effort); } /** * ice_parse_func_caps - Parse function capabilities * @hw: pointer to the HW struct * @func_p: pointer to function capabilities structure * @buf: buffer containing the function capability records * @cap_count: the number of capabilities * * Helper function to parse function (0x000A) capabilities list. For * capabilities shared between device and function, this relies on * ice_parse_common_caps. * * Loop through the list of provided capabilities and extract the relevant * data into the function capabilities structured. */ static void ice_parse_func_caps(struct ice_hw *hw, struct ice_hw_func_caps *func_p, void *buf, u32 cap_count) { struct ice_aqc_list_caps_elem *cap_resp; u32 i; cap_resp = buf; memset(func_p, 0, sizeof(*func_p)); for (i = 0; i < cap_count; i++) { u16 cap = le16_to_cpu(cap_resp[i].cap); bool found; found = ice_parse_common_caps(hw, &func_p->common_cap, &cap_resp[i], "func caps"); switch (cap) { case ICE_AQC_CAPS_VF: ice_parse_vf_func_caps(hw, func_p, &cap_resp[i]); break; case ICE_AQC_CAPS_VSI: ice_parse_vsi_func_caps(hw, func_p, &cap_resp[i]); break; case ICE_AQC_CAPS_1588: ice_parse_1588_func_caps(hw, func_p, &cap_resp[i]); break; case ICE_AQC_CAPS_FD: ice_parse_fdir_func_caps(hw, func_p); break; default: /* Don't list common capabilities as unknown */ if (!found) ice_debug(hw, ICE_DBG_INIT, "func caps: unknown capability[%d]: 0x%x\n", i, cap); break; } } ice_recalc_port_limited_caps(hw, &func_p->common_cap); } /** * ice_parse_valid_functions_cap - Parse ICE_AQC_CAPS_VALID_FUNCTIONS caps * @hw: pointer to the HW struct * @dev_p: pointer to device capabilities structure * @cap: capability element to parse * * Parse ICE_AQC_CAPS_VALID_FUNCTIONS for device capabilities. */ static void ice_parse_valid_functions_cap(struct ice_hw *hw, struct ice_hw_dev_caps *dev_p, struct ice_aqc_list_caps_elem *cap) { u32 number = le32_to_cpu(cap->number); dev_p->num_funcs = hweight32(number); ice_debug(hw, ICE_DBG_INIT, "dev caps: num_funcs = %d\n", dev_p->num_funcs); } /** * ice_parse_vf_dev_caps - Parse ICE_AQC_CAPS_VF device caps * @hw: pointer to the HW struct * @dev_p: pointer to device capabilities structure * @cap: capability element to parse * * Parse ICE_AQC_CAPS_VF for device capabilities. */ static void ice_parse_vf_dev_caps(struct ice_hw *hw, struct ice_hw_dev_caps *dev_p, struct ice_aqc_list_caps_elem *cap) { u32 number = le32_to_cpu(cap->number); dev_p->num_vfs_exposed = number; ice_debug(hw, ICE_DBG_INIT, "dev_caps: num_vfs_exposed = %d\n", dev_p->num_vfs_exposed); } /** * ice_parse_vsi_dev_caps - Parse ICE_AQC_CAPS_VSI device caps * @hw: pointer to the HW struct * @dev_p: pointer to device capabilities structure * @cap: capability element to parse * * Parse ICE_AQC_CAPS_VSI for device capabilities. */ static void ice_parse_vsi_dev_caps(struct ice_hw *hw, struct ice_hw_dev_caps *dev_p, struct ice_aqc_list_caps_elem *cap) { u32 number = le32_to_cpu(cap->number); dev_p->num_vsi_allocd_to_host = number; ice_debug(hw, ICE_DBG_INIT, "dev caps: num_vsi_allocd_to_host = %d\n", dev_p->num_vsi_allocd_to_host); } /** * ice_parse_1588_dev_caps - Parse ICE_AQC_CAPS_1588 device caps * @hw: pointer to the HW struct * @dev_p: pointer to device capabilities structure * @cap: capability element to parse * * Parse ICE_AQC_CAPS_1588 for device capabilities. */ static void ice_parse_1588_dev_caps(struct ice_hw *hw, struct ice_hw_dev_caps *dev_p, struct ice_aqc_list_caps_elem *cap) { struct ice_ts_dev_info *info = &dev_p->ts_dev_info; u32 logical_id = le32_to_cpu(cap->logical_id); u32 phys_id = le32_to_cpu(cap->phys_id); u32 number = le32_to_cpu(cap->number); info->ena = ((number & ICE_TS_DEV_ENA_M) != 0); dev_p->common_cap.ieee_1588 = info->ena; info->tmr0_owner = number & ICE_TS_TMR0_OWNR_M; info->tmr0_owned = ((number & ICE_TS_TMR0_OWND_M) != 0); info->tmr0_ena = ((number & ICE_TS_TMR0_ENA_M) != 0); info->tmr1_owner = (number & ICE_TS_TMR1_OWNR_M) >> ICE_TS_TMR1_OWNR_S; info->tmr1_owned = ((number & ICE_TS_TMR1_OWND_M) != 0); info->tmr1_ena = ((number & ICE_TS_TMR1_ENA_M) != 0); info->ts_ll_read = ((number & ICE_TS_LL_TX_TS_READ_M) != 0); info->ena_ports = logical_id; info->tmr_own_map = phys_id; ice_debug(hw, ICE_DBG_INIT, "dev caps: ieee_1588 = %u\n", dev_p->common_cap.ieee_1588); ice_debug(hw, ICE_DBG_INIT, "dev caps: tmr0_owner = %u\n", info->tmr0_owner); ice_debug(hw, ICE_DBG_INIT, "dev caps: tmr0_owned = %u\n", info->tmr0_owned); ice_debug(hw, ICE_DBG_INIT, "dev caps: tmr0_ena = %u\n", info->tmr0_ena); ice_debug(hw, ICE_DBG_INIT, "dev caps: tmr1_owner = %u\n", info->tmr1_owner); ice_debug(hw, ICE_DBG_INIT, "dev caps: tmr1_owned = %u\n", info->tmr1_owned); ice_debug(hw, ICE_DBG_INIT, "dev caps: tmr1_ena = %u\n", info->tmr1_ena); ice_debug(hw, ICE_DBG_INIT, "dev caps: ts_ll_read = %u\n", info->ts_ll_read); ice_debug(hw, ICE_DBG_INIT, "dev caps: ieee_1588 ena_ports = %u\n", info->ena_ports); ice_debug(hw, ICE_DBG_INIT, "dev caps: tmr_own_map = %u\n", info->tmr_own_map); } /** * ice_parse_fdir_dev_caps - Parse ICE_AQC_CAPS_FD device caps * @hw: pointer to the HW struct * @dev_p: pointer to device capabilities structure * @cap: capability element to parse * * Parse ICE_AQC_CAPS_FD for device capabilities. */ static void ice_parse_fdir_dev_caps(struct ice_hw *hw, struct ice_hw_dev_caps *dev_p, struct ice_aqc_list_caps_elem *cap) { u32 number = le32_to_cpu(cap->number); dev_p->num_flow_director_fltr = number; ice_debug(hw, ICE_DBG_INIT, "dev caps: num_flow_director_fltr = %d\n", dev_p->num_flow_director_fltr); } /** * ice_parse_dev_caps - Parse device capabilities * @hw: pointer to the HW struct * @dev_p: pointer to device capabilities structure * @buf: buffer containing the device capability records * @cap_count: the number of capabilities * * Helper device to parse device (0x000B) capabilities list. For * capabilities shared between device and function, this relies on * ice_parse_common_caps. * * Loop through the list of provided capabilities and extract the relevant * data into the device capabilities structured. */ static void ice_parse_dev_caps(struct ice_hw *hw, struct ice_hw_dev_caps *dev_p, void *buf, u32 cap_count) { struct ice_aqc_list_caps_elem *cap_resp; u32 i; cap_resp = buf; memset(dev_p, 0, sizeof(*dev_p)); for (i = 0; i < cap_count; i++) { u16 cap = le16_to_cpu(cap_resp[i].cap); bool found; found = ice_parse_common_caps(hw, &dev_p->common_cap, &cap_resp[i], "dev caps"); switch (cap) { case ICE_AQC_CAPS_VALID_FUNCTIONS: ice_parse_valid_functions_cap(hw, dev_p, &cap_resp[i]); break; case ICE_AQC_CAPS_VF: ice_parse_vf_dev_caps(hw, dev_p, &cap_resp[i]); break; case ICE_AQC_CAPS_VSI: ice_parse_vsi_dev_caps(hw, dev_p, &cap_resp[i]); break; case ICE_AQC_CAPS_1588: ice_parse_1588_dev_caps(hw, dev_p, &cap_resp[i]); break; case ICE_AQC_CAPS_FD: ice_parse_fdir_dev_caps(hw, dev_p, &cap_resp[i]); break; default: /* Don't list common capabilities as unknown */ if (!found) ice_debug(hw, ICE_DBG_INIT, "dev caps: unknown capability[%d]: 0x%x\n", i, cap); break; } } ice_recalc_port_limited_caps(hw, &dev_p->common_cap); } /** * ice_aq_list_caps - query function/device capabilities * @hw: pointer to the HW struct * @buf: a buffer to hold the capabilities * @buf_size: size of the buffer * @cap_count: if not NULL, set to the number of capabilities reported * @opc: capabilities type to discover, device or function * @cd: pointer to command details structure or NULL * * Get the function (0x000A) or device (0x000B) capabilities description from * firmware and store it in the buffer. * * If the cap_count pointer is not NULL, then it is set to the number of * capabilities firmware will report. Note that if the buffer size is too * small, it is possible the command will return ICE_AQ_ERR_ENOMEM. The * cap_count will still be updated in this case. It is recommended that the * buffer size be set to ICE_AQ_MAX_BUF_LEN (the largest possible buffer that * firmware could return) to avoid this. */ int ice_aq_list_caps(struct ice_hw *hw, void *buf, u16 buf_size, u32 *cap_count, enum ice_adminq_opc opc, struct ice_sq_cd *cd) { struct ice_aqc_list_caps *cmd; struct ice_aq_desc desc; int status; cmd = &desc.params.get_cap; if (opc != ice_aqc_opc_list_func_caps && opc != ice_aqc_opc_list_dev_caps) return -EINVAL; ice_fill_dflt_direct_cmd_desc(&desc, opc); status = ice_aq_send_cmd(hw, &desc, buf, buf_size, cd); if (cap_count) *cap_count = le32_to_cpu(cmd->count); return status; } /** * ice_discover_dev_caps - Read and extract device capabilities * @hw: pointer to the hardware structure * @dev_caps: pointer to device capabilities structure * * Read the device capabilities and extract them into the dev_caps structure * for later use. */ int ice_discover_dev_caps(struct ice_hw *hw, struct ice_hw_dev_caps *dev_caps) { u32 cap_count = 0; void *cbuf; int status; cbuf = kzalloc(ICE_AQ_MAX_BUF_LEN, GFP_KERNEL); if (!cbuf) return -ENOMEM; /* Although the driver doesn't know the number of capabilities the * device will return, we can simply send a 4KB buffer, the maximum * possible size that firmware can return. */ cap_count = ICE_AQ_MAX_BUF_LEN / sizeof(struct ice_aqc_list_caps_elem); status = ice_aq_list_caps(hw, cbuf, ICE_AQ_MAX_BUF_LEN, &cap_count, ice_aqc_opc_list_dev_caps, NULL); if (!status) ice_parse_dev_caps(hw, dev_caps, cbuf, cap_count); kfree(cbuf); return status; } /** * ice_discover_func_caps - Read and extract function capabilities * @hw: pointer to the hardware structure * @func_caps: pointer to function capabilities structure * * Read the function capabilities and extract them into the func_caps structure * for later use. */ static int ice_discover_func_caps(struct ice_hw *hw, struct ice_hw_func_caps *func_caps) { u32 cap_count = 0; void *cbuf; int status; cbuf = kzalloc(ICE_AQ_MAX_BUF_LEN, GFP_KERNEL); if (!cbuf) return -ENOMEM; /* Although the driver doesn't know the number of capabilities the * device will return, we can simply send a 4KB buffer, the maximum * possible size that firmware can return. */ cap_count = ICE_AQ_MAX_BUF_LEN / sizeof(struct ice_aqc_list_caps_elem); status = ice_aq_list_caps(hw, cbuf, ICE_AQ_MAX_BUF_LEN, &cap_count, ice_aqc_opc_list_func_caps, NULL); if (!status) ice_parse_func_caps(hw, func_caps, cbuf, cap_count); kfree(cbuf); return status; } /** * ice_set_safe_mode_caps - Override dev/func capabilities when in safe mode * @hw: pointer to the hardware structure */ void ice_set_safe_mode_caps(struct ice_hw *hw) { struct ice_hw_func_caps *func_caps = &hw->func_caps; struct ice_hw_dev_caps *dev_caps = &hw->dev_caps; struct ice_hw_common_caps cached_caps; u32 num_funcs; /* cache some func_caps values that should be restored after memset */ cached_caps = func_caps->common_cap; /* unset func capabilities */ memset(func_caps, 0, sizeof(*func_caps)); #define ICE_RESTORE_FUNC_CAP(name) \ func_caps->common_cap.name = cached_caps.name /* restore cached values */ ICE_RESTORE_FUNC_CAP(valid_functions); ICE_RESTORE_FUNC_CAP(txq_first_id); ICE_RESTORE_FUNC_CAP(rxq_first_id); ICE_RESTORE_FUNC_CAP(msix_vector_first_id); ICE_RESTORE_FUNC_CAP(max_mtu); ICE_RESTORE_FUNC_CAP(nvm_unified_update); ICE_RESTORE_FUNC_CAP(nvm_update_pending_nvm); ICE_RESTORE_FUNC_CAP(nvm_update_pending_orom); ICE_RESTORE_FUNC_CAP(nvm_update_pending_netlist); /* one Tx and one Rx queue in safe mode */ func_caps->common_cap.num_rxq = 1; func_caps->common_cap.num_txq = 1; /* two MSIX vectors, one for traffic and one for misc causes */ func_caps->common_cap.num_msix_vectors = 2; func_caps->guar_num_vsi = 1; /* cache some dev_caps values that should be restored after memset */ cached_caps = dev_caps->common_cap; num_funcs = dev_caps->num_funcs; /* unset dev capabilities */ memset(dev_caps, 0, sizeof(*dev_caps)); #define ICE_RESTORE_DEV_CAP(name) \ dev_caps->common_cap.name = cached_caps.name /* restore cached values */ ICE_RESTORE_DEV_CAP(valid_functions); ICE_RESTORE_DEV_CAP(txq_first_id); ICE_RESTORE_DEV_CAP(rxq_first_id); ICE_RESTORE_DEV_CAP(msix_vector_first_id); ICE_RESTORE_DEV_CAP(max_mtu); ICE_RESTORE_DEV_CAP(nvm_unified_update); ICE_RESTORE_DEV_CAP(nvm_update_pending_nvm); ICE_RESTORE_DEV_CAP(nvm_update_pending_orom); ICE_RESTORE_DEV_CAP(nvm_update_pending_netlist); dev_caps->num_funcs = num_funcs; /* one Tx and one Rx queue per function in safe mode */ dev_caps->common_cap.num_rxq = num_funcs; dev_caps->common_cap.num_txq = num_funcs; /* two MSIX vectors per function */ dev_caps->common_cap.num_msix_vectors = 2 * num_funcs; } /** * ice_get_caps - get info about the HW * @hw: pointer to the hardware structure */ int ice_get_caps(struct ice_hw *hw) { int status; status = ice_discover_dev_caps(hw, &hw->dev_caps); if (status) return status; return ice_discover_func_caps(hw, &hw->func_caps); } /** * ice_aq_manage_mac_write - manage MAC address write command * @hw: pointer to the HW struct * @mac_addr: MAC address to be written as LAA/LAA+WoL/Port address * @flags: flags to control write behavior * @cd: pointer to command details structure or NULL * * This function is used to write MAC address to the NVM (0x0108). */ int ice_aq_manage_mac_write(struct ice_hw *hw, const u8 *mac_addr, u8 flags, struct ice_sq_cd *cd) { struct ice_aqc_manage_mac_write *cmd; struct ice_aq_desc desc; cmd = &desc.params.mac_write; ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_manage_mac_write); cmd->flags = flags; ether_addr_copy(cmd->mac_addr, mac_addr); return ice_aq_send_cmd(hw, &desc, NULL, 0, cd); } /** * ice_aq_clear_pxe_mode * @hw: pointer to the HW struct * * Tell the firmware that the driver is taking over from PXE (0x0110). */ static int ice_aq_clear_pxe_mode(struct ice_hw *hw) { struct ice_aq_desc desc; ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_clear_pxe_mode); desc.params.clear_pxe.rx_cnt = ICE_AQC_CLEAR_PXE_RX_CNT; return ice_aq_send_cmd(hw, &desc, NULL, 0, NULL); } /** * ice_clear_pxe_mode - clear pxe operations mode * @hw: pointer to the HW struct * * Make sure all PXE mode settings are cleared, including things * like descriptor fetch/write-back mode. */ void ice_clear_pxe_mode(struct ice_hw *hw) { if (ice_check_sq_alive(hw, &hw->adminq)) ice_aq_clear_pxe_mode(hw); } /** * ice_aq_set_port_params - set physical port parameters. * @pi: pointer to the port info struct * @double_vlan: if set double VLAN is enabled * @cd: pointer to command details structure or NULL * * Set Physical port parameters (0x0203) */ int ice_aq_set_port_params(struct ice_port_info *pi, bool double_vlan, struct ice_sq_cd *cd) { struct ice_aqc_set_port_params *cmd; struct ice_hw *hw = pi->hw; struct ice_aq_desc desc; u16 cmd_flags = 0; cmd = &desc.params.set_port_params; ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_set_port_params); if (double_vlan) cmd_flags |= ICE_AQC_SET_P_PARAMS_DOUBLE_VLAN_ENA; cmd->cmd_flags = cpu_to_le16(cmd_flags); return ice_aq_send_cmd(hw, &desc, NULL, 0, cd); } /** * ice_is_100m_speed_supported * @hw: pointer to the HW struct * * returns true if 100M speeds are supported by the device, * false otherwise. */ bool ice_is_100m_speed_supported(struct ice_hw *hw) { switch (hw->device_id) { case ICE_DEV_ID_E822C_SGMII: case ICE_DEV_ID_E822L_SGMII: case ICE_DEV_ID_E823L_1GBE: case ICE_DEV_ID_E823C_SGMII: return true; default: return false; } } /** * ice_get_link_speed_based_on_phy_type - returns link speed * @phy_type_low: lower part of phy_type * @phy_type_high: higher part of phy_type * * This helper function will convert an entry in PHY type structure * [phy_type_low, phy_type_high] to its corresponding link speed. * Note: In the structure of [phy_type_low, phy_type_high], there should * be one bit set, as this function will convert one PHY type to its * speed. * If no bit gets set, ICE_AQ_LINK_SPEED_UNKNOWN will be returned * If more than one bit gets set, ICE_AQ_LINK_SPEED_UNKNOWN will be returned */ static u16 ice_get_link_speed_based_on_phy_type(u64 phy_type_low, u64 phy_type_high) { u16 speed_phy_type_high = ICE_AQ_LINK_SPEED_UNKNOWN; u16 speed_phy_type_low = ICE_AQ_LINK_SPEED_UNKNOWN; switch (phy_type_low) { case ICE_PHY_TYPE_LOW_100BASE_TX: case ICE_PHY_TYPE_LOW_100M_SGMII: speed_phy_type_low = ICE_AQ_LINK_SPEED_100MB; break; case ICE_PHY_TYPE_LOW_1000BASE_T: case ICE_PHY_TYPE_LOW_1000BASE_SX: case ICE_PHY_TYPE_LOW_1000BASE_LX: case ICE_PHY_TYPE_LOW_1000BASE_KX: case ICE_PHY_TYPE_LOW_1G_SGMII: speed_phy_type_low = ICE_AQ_LINK_SPEED_1000MB; break; case ICE_PHY_TYPE_LOW_2500BASE_T: case ICE_PHY_TYPE_LOW_2500BASE_X: case ICE_PHY_TYPE_LOW_2500BASE_KX: speed_phy_type_low = ICE_AQ_LINK_SPEED_2500MB; break; case ICE_PHY_TYPE_LOW_5GBASE_T: case ICE_PHY_TYPE_LOW_5GBASE_KR: speed_phy_type_low = ICE_AQ_LINK_SPEED_5GB; break; case ICE_PHY_TYPE_LOW_10GBASE_T: case ICE_PHY_TYPE_LOW_10G_SFI_DA: case ICE_PHY_TYPE_LOW_10GBASE_SR: case ICE_PHY_TYPE_LOW_10GBASE_LR: case ICE_PHY_TYPE_LOW_10GBASE_KR_CR1: case ICE_PHY_TYPE_LOW_10G_SFI_AOC_ACC: case ICE_PHY_TYPE_LOW_10G_SFI_C2C: speed_phy_type_low = ICE_AQ_LINK_SPEED_10GB; break; case ICE_PHY_TYPE_LOW_25GBASE_T: case ICE_PHY_TYPE_LOW_25GBASE_CR: case ICE_PHY_TYPE_LOW_25GBASE_CR_S: case ICE_PHY_TYPE_LOW_25GBASE_CR1: case ICE_PHY_TYPE_LOW_25GBASE_SR: case ICE_PHY_TYPE_LOW_25GBASE_LR: case ICE_PHY_TYPE_LOW_25GBASE_KR: case ICE_PHY_TYPE_LOW_25GBASE_KR_S: case ICE_PHY_TYPE_LOW_25GBASE_KR1: case ICE_PHY_TYPE_LOW_25G_AUI_AOC_ACC: case ICE_PHY_TYPE_LOW_25G_AUI_C2C: speed_phy_type_low = ICE_AQ_LINK_SPEED_25GB; break; case ICE_PHY_TYPE_LOW_40GBASE_CR4: case ICE_PHY_TYPE_LOW_40GBASE_SR4: case ICE_PHY_TYPE_LOW_40GBASE_LR4: case ICE_PHY_TYPE_LOW_40GBASE_KR4: case ICE_PHY_TYPE_LOW_40G_XLAUI_AOC_ACC: case ICE_PHY_TYPE_LOW_40G_XLAUI: speed_phy_type_low = ICE_AQ_LINK_SPEED_40GB; break; case ICE_PHY_TYPE_LOW_50GBASE_CR2: case ICE_PHY_TYPE_LOW_50GBASE_SR2: case ICE_PHY_TYPE_LOW_50GBASE_LR2: case ICE_PHY_TYPE_LOW_50GBASE_KR2: case ICE_PHY_TYPE_LOW_50G_LAUI2_AOC_ACC: case ICE_PHY_TYPE_LOW_50G_LAUI2: case ICE_PHY_TYPE_LOW_50G_AUI2_AOC_ACC: case ICE_PHY_TYPE_LOW_50G_AUI2: case ICE_PHY_TYPE_LOW_50GBASE_CP: case ICE_PHY_TYPE_LOW_50GBASE_SR: case ICE_PHY_TYPE_LOW_50GBASE_FR: case ICE_PHY_TYPE_LOW_50GBASE_LR: case ICE_PHY_TYPE_LOW_50GBASE_KR_PAM4: case ICE_PHY_TYPE_LOW_50G_AUI1_AOC_ACC: case ICE_PHY_TYPE_LOW_50G_AUI1: speed_phy_type_low = ICE_AQ_LINK_SPEED_50GB; break; case ICE_PHY_TYPE_LOW_100GBASE_CR4: case ICE_PHY_TYPE_LOW_100GBASE_SR4: case ICE_PHY_TYPE_LOW_100GBASE_LR4: case ICE_PHY_TYPE_LOW_100GBASE_KR4: case ICE_PHY_TYPE_LOW_100G_CAUI4_AOC_ACC: case ICE_PHY_TYPE_LOW_100G_CAUI4: case ICE_PHY_TYPE_LOW_100G_AUI4_AOC_ACC: case ICE_PHY_TYPE_LOW_100G_AUI4: case ICE_PHY_TYPE_LOW_100GBASE_CR_PAM4: case ICE_PHY_TYPE_LOW_100GBASE_KR_PAM4: case ICE_PHY_TYPE_LOW_100GBASE_CP2: case ICE_PHY_TYPE_LOW_100GBASE_SR2: case ICE_PHY_TYPE_LOW_100GBASE_DR: speed_phy_type_low = ICE_AQ_LINK_SPEED_100GB; break; default: speed_phy_type_low = ICE_AQ_LINK_SPEED_UNKNOWN; break; } switch (phy_type_high) { case ICE_PHY_TYPE_HIGH_100GBASE_KR2_PAM4: case ICE_PHY_TYPE_HIGH_100G_CAUI2_AOC_ACC: case ICE_PHY_TYPE_HIGH_100G_CAUI2: case ICE_PHY_TYPE_HIGH_100G_AUI2_AOC_ACC: case ICE_PHY_TYPE_HIGH_100G_AUI2: speed_phy_type_high = ICE_AQ_LINK_SPEED_100GB; break; default: speed_phy_type_high = ICE_AQ_LINK_SPEED_UNKNOWN; break; } if (speed_phy_type_low == ICE_AQ_LINK_SPEED_UNKNOWN && speed_phy_type_high == ICE_AQ_LINK_SPEED_UNKNOWN) return ICE_AQ_LINK_SPEED_UNKNOWN; else if (speed_phy_type_low != ICE_AQ_LINK_SPEED_UNKNOWN && speed_phy_type_high != ICE_AQ_LINK_SPEED_UNKNOWN) return ICE_AQ_LINK_SPEED_UNKNOWN; else if (speed_phy_type_low != ICE_AQ_LINK_SPEED_UNKNOWN && speed_phy_type_high == ICE_AQ_LINK_SPEED_UNKNOWN) return speed_phy_type_low; else return speed_phy_type_high; } /** * ice_update_phy_type * @phy_type_low: pointer to the lower part of phy_type * @phy_type_high: pointer to the higher part of phy_type * @link_speeds_bitmap: targeted link speeds bitmap * * Note: For the link_speeds_bitmap structure, you can check it at * [ice_aqc_get_link_status->link_speed]. Caller can pass in * link_speeds_bitmap include multiple speeds. * * Each entry in this [phy_type_low, phy_type_high] structure will * present a certain link speed. This helper function will turn on bits * in [phy_type_low, phy_type_high] structure based on the value of * link_speeds_bitmap input parameter. */ void ice_update_phy_type(u64 *phy_type_low, u64 *phy_type_high, u16 link_speeds_bitmap) { u64 pt_high; u64 pt_low; int index; u16 speed; /* We first check with low part of phy_type */ for (index = 0; index <= ICE_PHY_TYPE_LOW_MAX_INDEX; index++) { pt_low = BIT_ULL(index); speed = ice_get_link_speed_based_on_phy_type(pt_low, 0); if (link_speeds_bitmap & speed) *phy_type_low |= BIT_ULL(index); } /* We then check with high part of phy_type */ for (index = 0; index <= ICE_PHY_TYPE_HIGH_MAX_INDEX; index++) { pt_high = BIT_ULL(index); speed = ice_get_link_speed_based_on_phy_type(0, pt_high); if (link_speeds_bitmap & speed) *phy_type_high |= BIT_ULL(index); } } /** * ice_aq_set_phy_cfg * @hw: pointer to the HW struct * @pi: port info structure of the interested logical port * @cfg: structure with PHY configuration data to be set * @cd: pointer to command details structure or NULL * * Set the various PHY configuration parameters supported on the Port. * One or more of the Set PHY config parameters may be ignored in an MFP * mode as the PF may not have the privilege to set some of the PHY Config * parameters. This status will be indicated by the command response (0x0601). */ int ice_aq_set_phy_cfg(struct ice_hw *hw, struct ice_port_info *pi, struct ice_aqc_set_phy_cfg_data *cfg, struct ice_sq_cd *cd) { struct ice_aq_desc desc; int status; if (!cfg) return -EINVAL; /* Ensure that only valid bits of cfg->caps can be turned on. */ if (cfg->caps & ~ICE_AQ_PHY_ENA_VALID_MASK) { ice_debug(hw, ICE_DBG_PHY, "Invalid bit is set in ice_aqc_set_phy_cfg_data->caps : 0x%x\n", cfg->caps); cfg->caps &= ICE_AQ_PHY_ENA_VALID_MASK; } ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_set_phy_cfg); desc.params.set_phy.lport_num = pi->lport; desc.flags |= cpu_to_le16(ICE_AQ_FLAG_RD); ice_debug(hw, ICE_DBG_LINK, "set phy cfg\n"); ice_debug(hw, ICE_DBG_LINK, " phy_type_low = 0x%llx\n", (unsigned long long)le64_to_cpu(cfg->phy_type_low)); ice_debug(hw, ICE_DBG_LINK, " phy_type_high = 0x%llx\n", (unsigned long long)le64_to_cpu(cfg->phy_type_high)); ice_debug(hw, ICE_DBG_LINK, " caps = 0x%x\n", cfg->caps); ice_debug(hw, ICE_DBG_LINK, " low_power_ctrl_an = 0x%x\n", cfg->low_power_ctrl_an); ice_debug(hw, ICE_DBG_LINK, " eee_cap = 0x%x\n", cfg->eee_cap); ice_debug(hw, ICE_DBG_LINK, " eeer_value = 0x%x\n", cfg->eeer_value); ice_debug(hw, ICE_DBG_LINK, " link_fec_opt = 0x%x\n", cfg->link_fec_opt); status = ice_aq_send_cmd(hw, &desc, cfg, sizeof(*cfg), cd); if (hw->adminq.sq_last_status == ICE_AQ_RC_EMODE) status = 0; if (!status) pi->phy.curr_user_phy_cfg = *cfg; return status; } /** * ice_update_link_info - update status of the HW network link * @pi: port info structure of the interested logical port */ int ice_update_link_info(struct ice_port_info *pi) { struct ice_link_status *li; int status; if (!pi) return -EINVAL; li = &pi->phy.link_info; status = ice_aq_get_link_info(pi, true, NULL, NULL); if (status) return status; if (li->link_info & ICE_AQ_MEDIA_AVAILABLE) { struct ice_aqc_get_phy_caps_data *pcaps; struct ice_hw *hw; hw = pi->hw; pcaps = devm_kzalloc(ice_hw_to_dev(hw), sizeof(*pcaps), GFP_KERNEL); if (!pcaps) return -ENOMEM; status = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_TOPO_CAP_MEDIA, pcaps, NULL); devm_kfree(ice_hw_to_dev(hw), pcaps); } return status; } /** * ice_cache_phy_user_req * @pi: port information structure * @cache_data: PHY logging data * @cache_mode: PHY logging mode * * Log the user request on (FC, FEC, SPEED) for later use. */ static void ice_cache_phy_user_req(struct ice_port_info *pi, struct ice_phy_cache_mode_data cache_data, enum ice_phy_cache_mode cache_mode) { if (!pi) return; switch (cache_mode) { case ICE_FC_MODE: pi->phy.curr_user_fc_req = cache_data.data.curr_user_fc_req; break; case ICE_SPEED_MODE: pi->phy.curr_user_speed_req = cache_data.data.curr_user_speed_req; break; case ICE_FEC_MODE: pi->phy.curr_user_fec_req = cache_data.data.curr_user_fec_req; break; default: break; } } /** * ice_caps_to_fc_mode * @caps: PHY capabilities * * Convert PHY FC capabilities to ice FC mode */ enum ice_fc_mode ice_caps_to_fc_mode(u8 caps) { if (caps & ICE_AQC_PHY_EN_TX_LINK_PAUSE && caps & ICE_AQC_PHY_EN_RX_LINK_PAUSE) return ICE_FC_FULL; if (caps & ICE_AQC_PHY_EN_TX_LINK_PAUSE) return ICE_FC_TX_PAUSE; if (caps & ICE_AQC_PHY_EN_RX_LINK_PAUSE) return ICE_FC_RX_PAUSE; return ICE_FC_NONE; } /** * ice_caps_to_fec_mode * @caps: PHY capabilities * @fec_options: Link FEC options * * Convert PHY FEC capabilities to ice FEC mode */ enum ice_fec_mode ice_caps_to_fec_mode(u8 caps, u8 fec_options) { if (caps & ICE_AQC_PHY_EN_AUTO_FEC) return ICE_FEC_AUTO; if (fec_options & (ICE_AQC_PHY_FEC_10G_KR_40G_KR4_EN | ICE_AQC_PHY_FEC_10G_KR_40G_KR4_REQ | ICE_AQC_PHY_FEC_25G_KR_CLAUSE74_EN | ICE_AQC_PHY_FEC_25G_KR_REQ)) return ICE_FEC_BASER; if (fec_options & (ICE_AQC_PHY_FEC_25G_RS_528_REQ | ICE_AQC_PHY_FEC_25G_RS_544_REQ | ICE_AQC_PHY_FEC_25G_RS_CLAUSE91_EN)) return ICE_FEC_RS; return ICE_FEC_NONE; } /** * ice_cfg_phy_fc - Configure PHY FC data based on FC mode * @pi: port information structure * @cfg: PHY configuration data to set FC mode * @req_mode: FC mode to configure */ int ice_cfg_phy_fc(struct ice_port_info *pi, struct ice_aqc_set_phy_cfg_data *cfg, enum ice_fc_mode req_mode) { struct ice_phy_cache_mode_data cache_data; u8 pause_mask = 0x0; if (!pi || !cfg) return -EINVAL; switch (req_mode) { case ICE_FC_FULL: pause_mask |= ICE_AQC_PHY_EN_TX_LINK_PAUSE; pause_mask |= ICE_AQC_PHY_EN_RX_LINK_PAUSE; break; case ICE_FC_RX_PAUSE: pause_mask |= ICE_AQC_PHY_EN_RX_LINK_PAUSE; break; case ICE_FC_TX_PAUSE: pause_mask |= ICE_AQC_PHY_EN_TX_LINK_PAUSE; break; default: break; } /* clear the old pause settings */ cfg->caps &= ~(ICE_AQC_PHY_EN_TX_LINK_PAUSE | ICE_AQC_PHY_EN_RX_LINK_PAUSE); /* set the new capabilities */ cfg->caps |= pause_mask; /* Cache user FC request */ cache_data.data.curr_user_fc_req = req_mode; ice_cache_phy_user_req(pi, cache_data, ICE_FC_MODE); return 0; } /** * ice_set_fc * @pi: port information structure * @aq_failures: pointer to status code, specific to ice_set_fc routine * @ena_auto_link_update: enable automatic link update * * Set the requested flow control mode. */ int ice_set_fc(struct ice_port_info *pi, u8 *aq_failures, bool ena_auto_link_update) { struct ice_aqc_set_phy_cfg_data cfg = { 0 }; struct ice_aqc_get_phy_caps_data *pcaps; struct ice_hw *hw; int status; if (!pi || !aq_failures) return -EINVAL; *aq_failures = 0; hw = pi->hw; pcaps = devm_kzalloc(ice_hw_to_dev(hw), sizeof(*pcaps), GFP_KERNEL); if (!pcaps) return -ENOMEM; /* Get the current PHY config */ status = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_ACTIVE_CFG, pcaps, NULL); if (status) { *aq_failures = ICE_SET_FC_AQ_FAIL_GET; goto out; } ice_copy_phy_caps_to_cfg(pi, pcaps, &cfg); /* Configure the set PHY data */ status = ice_cfg_phy_fc(pi, &cfg, pi->fc.req_mode); if (status) goto out; /* If the capabilities have changed, then set the new config */ if (cfg.caps != pcaps->caps) { int retry_count, retry_max = 10; /* Auto restart link so settings take effect */ if (ena_auto_link_update) cfg.caps |= ICE_AQ_PHY_ENA_AUTO_LINK_UPDT; status = ice_aq_set_phy_cfg(hw, pi, &cfg, NULL); if (status) { *aq_failures = ICE_SET_FC_AQ_FAIL_SET; goto out; } /* Update the link info * It sometimes takes a really long time for link to * come back from the atomic reset. Thus, we wait a * little bit. */ for (retry_count = 0; retry_count < retry_max; retry_count++) { status = ice_update_link_info(pi); if (!status) break; mdelay(100); } if (status) *aq_failures = ICE_SET_FC_AQ_FAIL_UPDATE; } out: devm_kfree(ice_hw_to_dev(hw), pcaps); return status; } /** * ice_phy_caps_equals_cfg * @phy_caps: PHY capabilities * @phy_cfg: PHY configuration * * Helper function to determine if PHY capabilities matches PHY * configuration */ bool ice_phy_caps_equals_cfg(struct ice_aqc_get_phy_caps_data *phy_caps, struct ice_aqc_set_phy_cfg_data *phy_cfg) { u8 caps_mask, cfg_mask; if (!phy_caps || !phy_cfg) return false; /* These bits are not common between capabilities and configuration. * Do not use them to determine equality. */ caps_mask = ICE_AQC_PHY_CAPS_MASK & ~(ICE_AQC_PHY_AN_MODE | ICE_AQC_GET_PHY_EN_MOD_QUAL); cfg_mask = ICE_AQ_PHY_ENA_VALID_MASK & ~ICE_AQ_PHY_ENA_AUTO_LINK_UPDT; if (phy_caps->phy_type_low != phy_cfg->phy_type_low || phy_caps->phy_type_high != phy_cfg->phy_type_high || ((phy_caps->caps & caps_mask) != (phy_cfg->caps & cfg_mask)) || phy_caps->low_power_ctrl_an != phy_cfg->low_power_ctrl_an || phy_caps->eee_cap != phy_cfg->eee_cap || phy_caps->eeer_value != phy_cfg->eeer_value || phy_caps->link_fec_options != phy_cfg->link_fec_opt) return false; return true; } /** * ice_copy_phy_caps_to_cfg - Copy PHY ability data to configuration data * @pi: port information structure * @caps: PHY ability structure to copy date from * @cfg: PHY configuration structure to copy data to * * Helper function to copy AQC PHY get ability data to PHY set configuration * data structure */ void ice_copy_phy_caps_to_cfg(struct ice_port_info *pi, struct ice_aqc_get_phy_caps_data *caps, struct ice_aqc_set_phy_cfg_data *cfg) { if (!pi || !caps || !cfg) return; memset(cfg, 0, sizeof(*cfg)); cfg->phy_type_low = caps->phy_type_low; cfg->phy_type_high = caps->phy_type_high; cfg->caps = caps->caps; cfg->low_power_ctrl_an = caps->low_power_ctrl_an; cfg->eee_cap = caps->eee_cap; cfg->eeer_value = caps->eeer_value; cfg->link_fec_opt = caps->link_fec_options; cfg->module_compliance_enforcement = caps->module_compliance_enforcement; } /** * ice_cfg_phy_fec - Configure PHY FEC data based on FEC mode * @pi: port information structure * @cfg: PHY configuration data to set FEC mode * @fec: FEC mode to configure */ int ice_cfg_phy_fec(struct ice_port_info *pi, struct ice_aqc_set_phy_cfg_data *cfg, enum ice_fec_mode fec) { struct ice_aqc_get_phy_caps_data *pcaps; struct ice_hw *hw; int status; if (!pi || !cfg) return -EINVAL; hw = pi->hw; pcaps = kzalloc(sizeof(*pcaps), GFP_KERNEL); if (!pcaps) return -ENOMEM; status = ice_aq_get_phy_caps(pi, false, (ice_fw_supports_report_dflt_cfg(hw) ? ICE_AQC_REPORT_DFLT_CFG : ICE_AQC_REPORT_TOPO_CAP_MEDIA), pcaps, NULL); if (status) goto out; cfg->caps |= pcaps->caps & ICE_AQC_PHY_EN_AUTO_FEC; cfg->link_fec_opt = pcaps->link_fec_options; switch (fec) { case ICE_FEC_BASER: /* Clear RS bits, and AND BASE-R ability * bits and OR request bits. */ cfg->link_fec_opt &= ICE_AQC_PHY_FEC_10G_KR_40G_KR4_EN | ICE_AQC_PHY_FEC_25G_KR_CLAUSE74_EN; cfg->link_fec_opt |= ICE_AQC_PHY_FEC_10G_KR_40G_KR4_REQ | ICE_AQC_PHY_FEC_25G_KR_REQ; break; case ICE_FEC_RS: /* Clear BASE-R bits, and AND RS ability * bits and OR request bits. */ cfg->link_fec_opt &= ICE_AQC_PHY_FEC_25G_RS_CLAUSE91_EN; cfg->link_fec_opt |= ICE_AQC_PHY_FEC_25G_RS_528_REQ | ICE_AQC_PHY_FEC_25G_RS_544_REQ; break; case ICE_FEC_NONE: /* Clear all FEC option bits. */ cfg->link_fec_opt &= ~ICE_AQC_PHY_FEC_MASK; break; case ICE_FEC_AUTO: /* AND auto FEC bit, and all caps bits. */ cfg->caps &= ICE_AQC_PHY_CAPS_MASK; cfg->link_fec_opt |= pcaps->link_fec_options; break; default: status = -EINVAL; break; } if (fec == ICE_FEC_AUTO && ice_fw_supports_link_override(hw) && !ice_fw_supports_report_dflt_cfg(hw)) { struct ice_link_default_override_tlv tlv = { 0 }; status = ice_get_link_default_override(&tlv, pi); if (status) goto out; if (!(tlv.options & ICE_LINK_OVERRIDE_STRICT_MODE) && (tlv.options & ICE_LINK_OVERRIDE_EN)) cfg->link_fec_opt = tlv.fec_options; } out: kfree(pcaps); return status; } /** * ice_get_link_status - get status of the HW network link * @pi: port information structure * @link_up: pointer to bool (true/false = linkup/linkdown) * * Variable link_up is true if link is up, false if link is down. * The variable link_up is invalid if status is non zero. As a * result of this call, link status reporting becomes enabled */ int ice_get_link_status(struct ice_port_info *pi, bool *link_up) { struct ice_phy_info *phy_info; int status = 0; if (!pi || !link_up) return -EINVAL; phy_info = &pi->phy; if (phy_info->get_link_info) { status = ice_update_link_info(pi); if (status) ice_debug(pi->hw, ICE_DBG_LINK, "get link status error, status = %d\n", status); } *link_up = phy_info->link_info.link_info & ICE_AQ_LINK_UP; return status; } /** * ice_aq_set_link_restart_an * @pi: pointer to the port information structure * @ena_link: if true: enable link, if false: disable link * @cd: pointer to command details structure or NULL * * Sets up the link and restarts the Auto-Negotiation over the link. */ int ice_aq_set_link_restart_an(struct ice_port_info *pi, bool ena_link, struct ice_sq_cd *cd) { struct ice_aqc_restart_an *cmd; struct ice_aq_desc desc; cmd = &desc.params.restart_an; ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_restart_an); cmd->cmd_flags = ICE_AQC_RESTART_AN_LINK_RESTART; cmd->lport_num = pi->lport; if (ena_link) cmd->cmd_flags |= ICE_AQC_RESTART_AN_LINK_ENABLE; else cmd->cmd_flags &= ~ICE_AQC_RESTART_AN_LINK_ENABLE; return ice_aq_send_cmd(pi->hw, &desc, NULL, 0, cd); } /** * ice_aq_set_event_mask * @hw: pointer to the HW struct * @port_num: port number of the physical function * @mask: event mask to be set * @cd: pointer to command details structure or NULL * * Set event mask (0x0613) */ int ice_aq_set_event_mask(struct ice_hw *hw, u8 port_num, u16 mask, struct ice_sq_cd *cd) { struct ice_aqc_set_event_mask *cmd; struct ice_aq_desc desc; cmd = &desc.params.set_event_mask; ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_set_event_mask); cmd->lport_num = port_num; cmd->event_mask = cpu_to_le16(mask); return ice_aq_send_cmd(hw, &desc, NULL, 0, cd); } /** * ice_aq_set_mac_loopback * @hw: pointer to the HW struct * @ena_lpbk: Enable or Disable loopback * @cd: pointer to command details structure or NULL * * Enable/disable loopback on a given port */ int ice_aq_set_mac_loopback(struct ice_hw *hw, bool ena_lpbk, struct ice_sq_cd *cd) { struct ice_aqc_set_mac_lb *cmd; struct ice_aq_desc desc; cmd = &desc.params.set_mac_lb; ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_set_mac_lb); if (ena_lpbk) cmd->lb_mode = ICE_AQ_MAC_LB_EN; return ice_aq_send_cmd(hw, &desc, NULL, 0, cd); } /** * ice_aq_set_port_id_led * @pi: pointer to the port information * @is_orig_mode: is this LED set to original mode (by the net-list) * @cd: pointer to command details structure or NULL * * Set LED value for the given port (0x06e9) */ int ice_aq_set_port_id_led(struct ice_port_info *pi, bool is_orig_mode, struct ice_sq_cd *cd) { struct ice_aqc_set_port_id_led *cmd; struct ice_hw *hw = pi->hw; struct ice_aq_desc desc; cmd = &desc.params.set_port_id_led; ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_set_port_id_led); if (is_orig_mode) cmd->ident_mode = ICE_AQC_PORT_IDENT_LED_ORIG; else cmd->ident_mode = ICE_AQC_PORT_IDENT_LED_BLINK; return ice_aq_send_cmd(hw, &desc, NULL, 0, cd); } /** * ice_aq_get_port_options * @hw: pointer to the HW struct * @options: buffer for the resultant port options * @option_count: input - size of the buffer in port options structures, * output - number of returned port options * @lport: logical port to call the command with (optional) * @lport_valid: when false, FW uses port owned by the PF instead of lport, * when PF owns more than 1 port it must be true * @active_option_idx: index of active port option in returned buffer * @active_option_valid: active option in returned buffer is valid * @pending_option_idx: index of pending port option in returned buffer * @pending_option_valid: pending option in returned buffer is valid * * Calls Get Port Options AQC (0x06ea) and verifies result. */ int ice_aq_get_port_options(struct ice_hw *hw, struct ice_aqc_get_port_options_elem *options, u8 *option_count, u8 lport, bool lport_valid, u8 *active_option_idx, bool *active_option_valid, u8 *pending_option_idx, bool *pending_option_valid) { struct ice_aqc_get_port_options *cmd; struct ice_aq_desc desc; int status; u8 i; /* options buffer shall be able to hold max returned options */ if (*option_count < ICE_AQC_PORT_OPT_COUNT_M) return -EINVAL; cmd = &desc.params.get_port_options; ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_port_options); if (lport_valid) cmd->lport_num = lport; cmd->lport_num_valid = lport_valid; status = ice_aq_send_cmd(hw, &desc, options, *option_count * sizeof(*options), NULL); if (status) return status; /* verify direct FW response & set output parameters */ *option_count = FIELD_GET(ICE_AQC_PORT_OPT_COUNT_M, cmd->port_options_count); ice_debug(hw, ICE_DBG_PHY, "options: %x\n", *option_count); *active_option_valid = FIELD_GET(ICE_AQC_PORT_OPT_VALID, cmd->port_options); if (*active_option_valid) { *active_option_idx = FIELD_GET(ICE_AQC_PORT_OPT_ACTIVE_M, cmd->port_options); if (*active_option_idx > (*option_count - 1)) return -EIO; ice_debug(hw, ICE_DBG_PHY, "active idx: %x\n", *active_option_idx); } *pending_option_valid = FIELD_GET(ICE_AQC_PENDING_PORT_OPT_VALID, cmd->pending_port_option_status); if (*pending_option_valid) { *pending_option_idx = FIELD_GET(ICE_AQC_PENDING_PORT_OPT_IDX_M, cmd->pending_port_option_status); if (*pending_option_idx > (*option_count - 1)) return -EIO; ice_debug(hw, ICE_DBG_PHY, "pending idx: %x\n", *pending_option_idx); } /* mask output options fields */ for (i = 0; i < *option_count; i++) { options[i].pmd = FIELD_GET(ICE_AQC_PORT_OPT_PMD_COUNT_M, options[i].pmd); options[i].max_lane_speed = FIELD_GET(ICE_AQC_PORT_OPT_MAX_LANE_M, options[i].max_lane_speed); ice_debug(hw, ICE_DBG_PHY, "pmds: %x max speed: %x\n", options[i].pmd, options[i].max_lane_speed); } return 0; } /** * ice_aq_set_port_option * @hw: pointer to the HW struct * @lport: logical port to call the command with * @lport_valid: when false, FW uses port owned by the PF instead of lport, * when PF owns more than 1 port it must be true * @new_option: new port option to be written * * Calls Set Port Options AQC (0x06eb). */ int ice_aq_set_port_option(struct ice_hw *hw, u8 lport, u8 lport_valid, u8 new_option) { struct ice_aqc_set_port_option *cmd; struct ice_aq_desc desc; if (new_option > ICE_AQC_PORT_OPT_COUNT_M) return -EINVAL; cmd = &desc.params.set_port_option; ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_set_port_option); if (lport_valid) cmd->lport_num = lport; cmd->lport_num_valid = lport_valid; cmd->selected_port_option = new_option; return ice_aq_send_cmd(hw, &desc, NULL, 0, NULL); } /** * ice_aq_sff_eeprom * @hw: pointer to the HW struct * @lport: bits [7:0] = logical port, bit [8] = logical port valid * @bus_addr: I2C bus address of the eeprom (typically 0xA0, 0=topo default) * @mem_addr: I2C offset. lower 8 bits for address, 8 upper bits zero padding. * @page: QSFP page * @set_page: set or ignore the page * @data: pointer to data buffer to be read/written to the I2C device. * @length: 1-16 for read, 1 for write. * @write: 0 read, 1 for write. * @cd: pointer to command details structure or NULL * * Read/Write SFF EEPROM (0x06EE) */ int ice_aq_sff_eeprom(struct ice_hw *hw, u16 lport, u8 bus_addr, u16 mem_addr, u8 page, u8 set_page, u8 *data, u8 length, bool write, struct ice_sq_cd *cd) { struct ice_aqc_sff_eeprom *cmd; struct ice_aq_desc desc; int status; if (!data || (mem_addr & 0xff00)) return -EINVAL; ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_sff_eeprom); cmd = &desc.params.read_write_sff_param; desc.flags = cpu_to_le16(ICE_AQ_FLAG_RD); cmd->lport_num = (u8)(lport & 0xff); cmd->lport_num_valid = (u8)((lport >> 8) & 0x01); cmd->i2c_bus_addr = cpu_to_le16(((bus_addr >> 1) & ICE_AQC_SFF_I2CBUS_7BIT_M) | ((set_page << ICE_AQC_SFF_SET_EEPROM_PAGE_S) & ICE_AQC_SFF_SET_EEPROM_PAGE_M)); cmd->i2c_mem_addr = cpu_to_le16(mem_addr & 0xff); cmd->eeprom_page = cpu_to_le16((u16)page << ICE_AQC_SFF_EEPROM_PAGE_S); if (write) cmd->i2c_bus_addr |= cpu_to_le16(ICE_AQC_SFF_IS_WRITE); status = ice_aq_send_cmd(hw, &desc, data, length, cd); return status; } /** * __ice_aq_get_set_rss_lut * @hw: pointer to the hardware structure * @params: RSS LUT parameters * @set: set true to set the table, false to get the table * * Internal function to get (0x0B05) or set (0x0B03) RSS look up table */ static int __ice_aq_get_set_rss_lut(struct ice_hw *hw, struct ice_aq_get_set_rss_lut_params *params, bool set) { u16 flags = 0, vsi_id, lut_type, lut_size, glob_lut_idx, vsi_handle; struct ice_aqc_get_set_rss_lut *cmd_resp; struct ice_aq_desc desc; int status; u8 *lut; if (!params) return -EINVAL; vsi_handle = params->vsi_handle; lut = params->lut; if (!ice_is_vsi_valid(hw, vsi_handle) || !lut) return -EINVAL; lut_size = params->lut_size; lut_type = params->lut_type; glob_lut_idx = params->global_lut_id; vsi_id = ice_get_hw_vsi_num(hw, vsi_handle); cmd_resp = &desc.params.get_set_rss_lut; if (set) { ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_set_rss_lut); desc.flags |= cpu_to_le16(ICE_AQ_FLAG_RD); } else { ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_rss_lut); } cmd_resp->vsi_id = cpu_to_le16(((vsi_id << ICE_AQC_GSET_RSS_LUT_VSI_ID_S) & ICE_AQC_GSET_RSS_LUT_VSI_ID_M) | ICE_AQC_GSET_RSS_LUT_VSI_VALID); switch (lut_type) { case ICE_AQC_GSET_RSS_LUT_TABLE_TYPE_VSI: case ICE_AQC_GSET_RSS_LUT_TABLE_TYPE_PF: case ICE_AQC_GSET_RSS_LUT_TABLE_TYPE_GLOBAL: flags |= ((lut_type << ICE_AQC_GSET_RSS_LUT_TABLE_TYPE_S) & ICE_AQC_GSET_RSS_LUT_TABLE_TYPE_M); break; default: status = -EINVAL; goto ice_aq_get_set_rss_lut_exit; } if (lut_type == ICE_AQC_GSET_RSS_LUT_TABLE_TYPE_GLOBAL) { flags |= ((glob_lut_idx << ICE_AQC_GSET_RSS_LUT_GLOBAL_IDX_S) & ICE_AQC_GSET_RSS_LUT_GLOBAL_IDX_M); if (!set) goto ice_aq_get_set_rss_lut_send; } else if (lut_type == ICE_AQC_GSET_RSS_LUT_TABLE_TYPE_PF) { if (!set) goto ice_aq_get_set_rss_lut_send; } else { goto ice_aq_get_set_rss_lut_send; } /* LUT size is only valid for Global and PF table types */ switch (lut_size) { case ICE_AQC_GSET_RSS_LUT_TABLE_SIZE_128: break; case ICE_AQC_GSET_RSS_LUT_TABLE_SIZE_512: flags |= (ICE_AQC_GSET_RSS_LUT_TABLE_SIZE_512_FLAG << ICE_AQC_GSET_RSS_LUT_TABLE_SIZE_S) & ICE_AQC_GSET_RSS_LUT_TABLE_SIZE_M; break; case ICE_AQC_GSET_RSS_LUT_TABLE_SIZE_2K: if (lut_type == ICE_AQC_GSET_RSS_LUT_TABLE_TYPE_PF) { flags |= (ICE_AQC_GSET_RSS_LUT_TABLE_SIZE_2K_FLAG << ICE_AQC_GSET_RSS_LUT_TABLE_SIZE_S) & ICE_AQC_GSET_RSS_LUT_TABLE_SIZE_M; break; } fallthrough; default: status = -EINVAL; goto ice_aq_get_set_rss_lut_exit; } ice_aq_get_set_rss_lut_send: cmd_resp->flags = cpu_to_le16(flags); status = ice_aq_send_cmd(hw, &desc, lut, lut_size, NULL); ice_aq_get_set_rss_lut_exit: return status; } /** * ice_aq_get_rss_lut * @hw: pointer to the hardware structure * @get_params: RSS LUT parameters used to specify which RSS LUT to get * * get the RSS lookup table, PF or VSI type */ int ice_aq_get_rss_lut(struct ice_hw *hw, struct ice_aq_get_set_rss_lut_params *get_params) { return __ice_aq_get_set_rss_lut(hw, get_params, false); } /** * ice_aq_set_rss_lut * @hw: pointer to the hardware structure * @set_params: RSS LUT parameters used to specify how to set the RSS LUT * * set the RSS lookup table, PF or VSI type */ int ice_aq_set_rss_lut(struct ice_hw *hw, struct ice_aq_get_set_rss_lut_params *set_params) { return __ice_aq_get_set_rss_lut(hw, set_params, true); } /** * __ice_aq_get_set_rss_key * @hw: pointer to the HW struct * @vsi_id: VSI FW index * @key: pointer to key info struct * @set: set true to set the key, false to get the key * * get (0x0B04) or set (0x0B02) the RSS key per VSI */ static int __ice_aq_get_set_rss_key(struct ice_hw *hw, u16 vsi_id, struct ice_aqc_get_set_rss_keys *key, bool set) { struct ice_aqc_get_set_rss_key *cmd_resp; u16 key_size = sizeof(*key); struct ice_aq_desc desc; cmd_resp = &desc.params.get_set_rss_key; if (set) { ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_set_rss_key); desc.flags |= cpu_to_le16(ICE_AQ_FLAG_RD); } else { ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_rss_key); } cmd_resp->vsi_id = cpu_to_le16(((vsi_id << ICE_AQC_GSET_RSS_KEY_VSI_ID_S) & ICE_AQC_GSET_RSS_KEY_VSI_ID_M) | ICE_AQC_GSET_RSS_KEY_VSI_VALID); return ice_aq_send_cmd(hw, &desc, key, key_size, NULL); } /** * ice_aq_get_rss_key * @hw: pointer to the HW struct * @vsi_handle: software VSI handle * @key: pointer to key info struct * * get the RSS key per VSI */ int ice_aq_get_rss_key(struct ice_hw *hw, u16 vsi_handle, struct ice_aqc_get_set_rss_keys *key) { if (!ice_is_vsi_valid(hw, vsi_handle) || !key) return -EINVAL; return __ice_aq_get_set_rss_key(hw, ice_get_hw_vsi_num(hw, vsi_handle), key, false); } /** * ice_aq_set_rss_key * @hw: pointer to the HW struct * @vsi_handle: software VSI handle * @keys: pointer to key info struct * * set the RSS key per VSI */ int ice_aq_set_rss_key(struct ice_hw *hw, u16 vsi_handle, struct ice_aqc_get_set_rss_keys *keys) { if (!ice_is_vsi_valid(hw, vsi_handle) || !keys) return -EINVAL; return __ice_aq_get_set_rss_key(hw, ice_get_hw_vsi_num(hw, vsi_handle), keys, true); } /** * ice_aq_add_lan_txq * @hw: pointer to the hardware structure * @num_qgrps: Number of added queue groups * @qg_list: list of queue groups to be added * @buf_size: size of buffer for indirect command * @cd: pointer to command details structure or NULL * * Add Tx LAN queue (0x0C30) * * NOTE: * Prior to calling add Tx LAN queue: * Initialize the following as part of the Tx queue context: * Completion queue ID if the queue uses Completion queue, Quanta profile, * Cache profile and Packet shaper profile. * * After add Tx LAN queue AQ command is completed: * Interrupts should be associated with specific queues, * Association of Tx queue to Doorbell queue is not part of Add LAN Tx queue * flow. */ static int ice_aq_add_lan_txq(struct ice_hw *hw, u8 num_qgrps, struct ice_aqc_add_tx_qgrp *qg_list, u16 buf_size, struct ice_sq_cd *cd) { struct ice_aqc_add_tx_qgrp *list; struct ice_aqc_add_txqs *cmd; struct ice_aq_desc desc; u16 i, sum_size = 0; cmd = &desc.params.add_txqs; ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_add_txqs); if (!qg_list) return -EINVAL; if (num_qgrps > ICE_LAN_TXQ_MAX_QGRPS) return -EINVAL; for (i = 0, list = qg_list; i < num_qgrps; i++) { sum_size += struct_size(list, txqs, list->num_txqs); list = (struct ice_aqc_add_tx_qgrp *)(list->txqs + list->num_txqs); } if (buf_size != sum_size) return -EINVAL; desc.flags |= cpu_to_le16(ICE_AQ_FLAG_RD); cmd->num_qgrps = num_qgrps; return ice_aq_send_cmd(hw, &desc, qg_list, buf_size, cd); } /** * ice_aq_dis_lan_txq * @hw: pointer to the hardware structure * @num_qgrps: number of groups in the list * @qg_list: the list of groups to disable * @buf_size: the total size of the qg_list buffer in bytes * @rst_src: if called due to reset, specifies the reset source * @vmvf_num: the relative VM or VF number that is undergoing the reset * @cd: pointer to command details structure or NULL * * Disable LAN Tx queue (0x0C31) */ static int ice_aq_dis_lan_txq(struct ice_hw *hw, u8 num_qgrps, struct ice_aqc_dis_txq_item *qg_list, u16 buf_size, enum ice_disq_rst_src rst_src, u16 vmvf_num, struct ice_sq_cd *cd) { struct ice_aqc_dis_txq_item *item; struct ice_aqc_dis_txqs *cmd; struct ice_aq_desc desc; u16 i, sz = 0; int status; cmd = &desc.params.dis_txqs; ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_dis_txqs); /* qg_list can be NULL only in VM/VF reset flow */ if (!qg_list && !rst_src) return -EINVAL; if (num_qgrps > ICE_LAN_TXQ_MAX_QGRPS) return -EINVAL; cmd->num_entries = num_qgrps; cmd->vmvf_and_timeout = cpu_to_le16((5 << ICE_AQC_Q_DIS_TIMEOUT_S) & ICE_AQC_Q_DIS_TIMEOUT_M); switch (rst_src) { case ICE_VM_RESET: cmd->cmd_type = ICE_AQC_Q_DIS_CMD_VM_RESET; cmd->vmvf_and_timeout |= cpu_to_le16(vmvf_num & ICE_AQC_Q_DIS_VMVF_NUM_M); break; case ICE_VF_RESET: cmd->cmd_type = ICE_AQC_Q_DIS_CMD_VF_RESET; /* In this case, FW expects vmvf_num to be absolute VF ID */ cmd->vmvf_and_timeout |= cpu_to_le16((vmvf_num + hw->func_caps.vf_base_id) & ICE_AQC_Q_DIS_VMVF_NUM_M); break; case ICE_NO_RESET: default: break; } /* flush pipe on time out */ cmd->cmd_type |= ICE_AQC_Q_DIS_CMD_FLUSH_PIPE; /* If no queue group info, we are in a reset flow. Issue the AQ */ if (!qg_list) goto do_aq; /* set RD bit to indicate that command buffer is provided by the driver * and it needs to be read by the firmware */ desc.flags |= cpu_to_le16(ICE_AQ_FLAG_RD); for (i = 0, item = qg_list; i < num_qgrps; i++) { u16 item_size = struct_size(item, q_id, item->num_qs); /* If the num of queues is even, add 2 bytes of padding */ if ((item->num_qs % 2) == 0) item_size += 2; sz += item_size; item = (struct ice_aqc_dis_txq_item *)((u8 *)item + item_size); } if (buf_size != sz) return -EINVAL; do_aq: status = ice_aq_send_cmd(hw, &desc, qg_list, buf_size, cd); if (status) { if (!qg_list) ice_debug(hw, ICE_DBG_SCHED, "VM%d disable failed %d\n", vmvf_num, hw->adminq.sq_last_status); else ice_debug(hw, ICE_DBG_SCHED, "disable queue %d failed %d\n", le16_to_cpu(qg_list[0].q_id[0]), hw->adminq.sq_last_status); } return status; } /** * ice_aq_add_rdma_qsets * @hw: pointer to the hardware structure * @num_qset_grps: Number of RDMA Qset groups * @qset_list: list of Qset groups to be added * @buf_size: size of buffer for indirect command * @cd: pointer to command details structure or NULL * * Add Tx RDMA Qsets (0x0C33) */ static int ice_aq_add_rdma_qsets(struct ice_hw *hw, u8 num_qset_grps, struct ice_aqc_add_rdma_qset_data *qset_list, u16 buf_size, struct ice_sq_cd *cd) { struct ice_aqc_add_rdma_qset_data *list; struct ice_aqc_add_rdma_qset *cmd; struct ice_aq_desc desc; u16 i, sum_size = 0; cmd = &desc.params.add_rdma_qset; ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_add_rdma_qset); if (num_qset_grps > ICE_LAN_TXQ_MAX_QGRPS) return -EINVAL; for (i = 0, list = qset_list; i < num_qset_grps; i++) { u16 num_qsets = le16_to_cpu(list->num_qsets); sum_size += struct_size(list, rdma_qsets, num_qsets); list = (struct ice_aqc_add_rdma_qset_data *)(list->rdma_qsets + num_qsets); } if (buf_size != sum_size) return -EINVAL; desc.flags |= cpu_to_le16(ICE_AQ_FLAG_RD); cmd->num_qset_grps = num_qset_grps; return ice_aq_send_cmd(hw, &desc, qset_list, buf_size, cd); } /* End of FW Admin Queue command wrappers */ /** * ice_write_byte - write a byte to a packed context structure * @src_ctx: the context structure to read from * @dest_ctx: the context to be written to * @ce_info: a description of the struct to be filled */ static void ice_write_byte(u8 *src_ctx, u8 *dest_ctx, const struct ice_ctx_ele *ce_info) { u8 src_byte, dest_byte, mask; u8 *from, *dest; u16 shift_width; /* copy from the next struct field */ from = src_ctx + ce_info->offset; /* prepare the bits and mask */ shift_width = ce_info->lsb % 8; mask = (u8)(BIT(ce_info->width) - 1); src_byte = *from; src_byte &= mask; /* shift to correct alignment */ mask <<= shift_width; src_byte <<= shift_width; /* get the current bits from the target bit string */ dest = dest_ctx + (ce_info->lsb / 8); memcpy(&dest_byte, dest, sizeof(dest_byte)); dest_byte &= ~mask; /* get the bits not changing */ dest_byte |= src_byte; /* add in the new bits */ /* put it all back */ memcpy(dest, &dest_byte, sizeof(dest_byte)); } /** * ice_write_word - write a word to a packed context structure * @src_ctx: the context structure to read from * @dest_ctx: the context to be written to * @ce_info: a description of the struct to be filled */ static void ice_write_word(u8 *src_ctx, u8 *dest_ctx, const struct ice_ctx_ele *ce_info) { u16 src_word, mask; __le16 dest_word; u8 *from, *dest; u16 shift_width; /* copy from the next struct field */ from = src_ctx + ce_info->offset; /* prepare the bits and mask */ shift_width = ce_info->lsb % 8; mask = BIT(ce_info->width) - 1; /* don't swizzle the bits until after the mask because the mask bits * will be in a different bit position on big endian machines */ src_word = *(u16 *)from; src_word &= mask; /* shift to correct alignment */ mask <<= shift_width; src_word <<= shift_width; /* get the current bits from the target bit string */ dest = dest_ctx + (ce_info->lsb / 8); memcpy(&dest_word, dest, sizeof(dest_word)); dest_word &= ~(cpu_to_le16(mask)); /* get the bits not changing */ dest_word |= cpu_to_le16(src_word); /* add in the new bits */ /* put it all back */ memcpy(dest, &dest_word, sizeof(dest_word)); } /** * ice_write_dword - write a dword to a packed context structure * @src_ctx: the context structure to read from * @dest_ctx: the context to be written to * @ce_info: a description of the struct to be filled */ static void ice_write_dword(u8 *src_ctx, u8 *dest_ctx, const struct ice_ctx_ele *ce_info) { u32 src_dword, mask; __le32 dest_dword; u8 *from, *dest; u16 shift_width; /* copy from the next struct field */ from = src_ctx + ce_info->offset; /* prepare the bits and mask */ shift_width = ce_info->lsb % 8; /* if the field width is exactly 32 on an x86 machine, then the shift * operation will not work because the SHL instructions count is masked * to 5 bits so the shift will do nothing */ if (ce_info->width < 32) mask = BIT(ce_info->width) - 1; else mask = (u32)~0; /* don't swizzle the bits until after the mask because the mask bits * will be in a different bit position on big endian machines */ src_dword = *(u32 *)from; src_dword &= mask; /* shift to correct alignment */ mask <<= shift_width; src_dword <<= shift_width; /* get the current bits from the target bit string */ dest = dest_ctx + (ce_info->lsb / 8); memcpy(&dest_dword, dest, sizeof(dest_dword)); dest_dword &= ~(cpu_to_le32(mask)); /* get the bits not changing */ dest_dword |= cpu_to_le32(src_dword); /* add in the new bits */ /* put it all back */ memcpy(dest, &dest_dword, sizeof(dest_dword)); } /** * ice_write_qword - write a qword to a packed context structure * @src_ctx: the context structure to read from * @dest_ctx: the context to be written to * @ce_info: a description of the struct to be filled */ static void ice_write_qword(u8 *src_ctx, u8 *dest_ctx, const struct ice_ctx_ele *ce_info) { u64 src_qword, mask; __le64 dest_qword; u8 *from, *dest; u16 shift_width; /* copy from the next struct field */ from = src_ctx + ce_info->offset; /* prepare the bits and mask */ shift_width = ce_info->lsb % 8; /* if the field width is exactly 64 on an x86 machine, then the shift * operation will not work because the SHL instructions count is masked * to 6 bits so the shift will do nothing */ if (ce_info->width < 64) mask = BIT_ULL(ce_info->width) - 1; else mask = (u64)~0; /* don't swizzle the bits until after the mask because the mask bits * will be in a different bit position on big endian machines */ src_qword = *(u64 *)from; src_qword &= mask; /* shift to correct alignment */ mask <<= shift_width; src_qword <<= shift_width; /* get the current bits from the target bit string */ dest = dest_ctx + (ce_info->lsb / 8); memcpy(&dest_qword, dest, sizeof(dest_qword)); dest_qword &= ~(cpu_to_le64(mask)); /* get the bits not changing */ dest_qword |= cpu_to_le64(src_qword); /* add in the new bits */ /* put it all back */ memcpy(dest, &dest_qword, sizeof(dest_qword)); } /** * ice_set_ctx - set context bits in packed structure * @hw: pointer to the hardware structure * @src_ctx: pointer to a generic non-packed context structure * @dest_ctx: pointer to memory for the packed structure * @ce_info: a description of the structure to be transformed */ int ice_set_ctx(struct ice_hw *hw, u8 *src_ctx, u8 *dest_ctx, const struct ice_ctx_ele *ce_info) { int f; for (f = 0; ce_info[f].width; f++) { /* We have to deal with each element of the FW response * using the correct size so that we are correct regardless * of the endianness of the machine. */ if (ce_info[f].width > (ce_info[f].size_of * BITS_PER_BYTE)) { ice_debug(hw, ICE_DBG_QCTX, "Field %d width of %d bits larger than size of %d byte(s) ... skipping write\n", f, ce_info[f].width, ce_info[f].size_of); continue; } switch (ce_info[f].size_of) { case sizeof(u8): ice_write_byte(src_ctx, dest_ctx, &ce_info[f]); break; case sizeof(u16): ice_write_word(src_ctx, dest_ctx, &ce_info[f]); break; case sizeof(u32): ice_write_dword(src_ctx, dest_ctx, &ce_info[f]); break; case sizeof(u64): ice_write_qword(src_ctx, dest_ctx, &ce_info[f]); break; default: return -EINVAL; } } return 0; } /** * ice_get_lan_q_ctx - get the LAN queue context for the given VSI and TC * @hw: pointer to the HW struct * @vsi_handle: software VSI handle * @tc: TC number * @q_handle: software queue handle */ struct ice_q_ctx * ice_get_lan_q_ctx(struct ice_hw *hw, u16 vsi_handle, u8 tc, u16 q_handle) { struct ice_vsi_ctx *vsi; struct ice_q_ctx *q_ctx; vsi = ice_get_vsi_ctx(hw, vsi_handle); if (!vsi) return NULL; if (q_handle >= vsi->num_lan_q_entries[tc]) return NULL; if (!vsi->lan_q_ctx[tc]) return NULL; q_ctx = vsi->lan_q_ctx[tc]; return &q_ctx[q_handle]; } /** * ice_ena_vsi_txq * @pi: port information structure * @vsi_handle: software VSI handle * @tc: TC number * @q_handle: software queue handle * @num_qgrps: Number of added queue groups * @buf: list of queue groups to be added * @buf_size: size of buffer for indirect command * @cd: pointer to command details structure or NULL * * This function adds one LAN queue */ int ice_ena_vsi_txq(struct ice_port_info *pi, u16 vsi_handle, u8 tc, u16 q_handle, u8 num_qgrps, struct ice_aqc_add_tx_qgrp *buf, u16 buf_size, struct ice_sq_cd *cd) { struct ice_aqc_txsched_elem_data node = { 0 }; struct ice_sched_node *parent; struct ice_q_ctx *q_ctx; struct ice_hw *hw; int status; if (!pi || pi->port_state != ICE_SCHED_PORT_STATE_READY) return -EIO; if (num_qgrps > 1 || buf->num_txqs > 1) return -ENOSPC; hw = pi->hw; if (!ice_is_vsi_valid(hw, vsi_handle)) return -EINVAL; mutex_lock(&pi->sched_lock); q_ctx = ice_get_lan_q_ctx(hw, vsi_handle, tc, q_handle); if (!q_ctx) { ice_debug(hw, ICE_DBG_SCHED, "Enaq: invalid queue handle %d\n", q_handle); status = -EINVAL; goto ena_txq_exit; } /* find a parent node */ parent = ice_sched_get_free_qparent(pi, vsi_handle, tc, ICE_SCHED_NODE_OWNER_LAN); if (!parent) { status = -EINVAL; goto ena_txq_exit; } buf->parent_teid = parent->info.node_teid; node.parent_teid = parent->info.node_teid; /* Mark that the values in the "generic" section as valid. The default * value in the "generic" section is zero. This means that : * - Scheduling mode is Bytes Per Second (BPS), indicated by Bit 0. * - 0 priority among siblings, indicated by Bit 1-3. * - WFQ, indicated by Bit 4. * - 0 Adjustment value is used in PSM credit update flow, indicated by * Bit 5-6. * - Bit 7 is reserved. * Without setting the generic section as valid in valid_sections, the * Admin queue command will fail with error code ICE_AQ_RC_EINVAL. */ buf->txqs[0].info.valid_sections = ICE_AQC_ELEM_VALID_GENERIC | ICE_AQC_ELEM_VALID_CIR | ICE_AQC_ELEM_VALID_EIR; buf->txqs[0].info.generic = 0; buf->txqs[0].info.cir_bw.bw_profile_idx = cpu_to_le16(ICE_SCHED_DFLT_RL_PROF_ID); buf->txqs[0].info.cir_bw.bw_alloc = cpu_to_le16(ICE_SCHED_DFLT_BW_WT); buf->txqs[0].info.eir_bw.bw_profile_idx = cpu_to_le16(ICE_SCHED_DFLT_RL_PROF_ID); buf->txqs[0].info.eir_bw.bw_alloc = cpu_to_le16(ICE_SCHED_DFLT_BW_WT); /* add the LAN queue */ status = ice_aq_add_lan_txq(hw, num_qgrps, buf, buf_size, cd); if (status) { ice_debug(hw, ICE_DBG_SCHED, "enable queue %d failed %d\n", le16_to_cpu(buf->txqs[0].txq_id), hw->adminq.sq_last_status); goto ena_txq_exit; } node.node_teid = buf->txqs[0].q_teid; node.data.elem_type = ICE_AQC_ELEM_TYPE_LEAF; q_ctx->q_handle = q_handle; q_ctx->q_teid = le32_to_cpu(node.node_teid); /* add a leaf node into scheduler tree queue layer */ status = ice_sched_add_node(pi, hw->num_tx_sched_layers - 1, &node, NULL); if (!status) status = ice_sched_replay_q_bw(pi, q_ctx); ena_txq_exit: mutex_unlock(&pi->sched_lock); return status; } /** * ice_dis_vsi_txq * @pi: port information structure * @vsi_handle: software VSI handle * @tc: TC number * @num_queues: number of queues * @q_handles: pointer to software queue handle array * @q_ids: pointer to the q_id array * @q_teids: pointer to queue node teids * @rst_src: if called due to reset, specifies the reset source * @vmvf_num: the relative VM or VF number that is undergoing the reset * @cd: pointer to command details structure or NULL * * This function removes queues and their corresponding nodes in SW DB */ int ice_dis_vsi_txq(struct ice_port_info *pi, u16 vsi_handle, u8 tc, u8 num_queues, u16 *q_handles, u16 *q_ids, u32 *q_teids, enum ice_disq_rst_src rst_src, u16 vmvf_num, struct ice_sq_cd *cd) { struct ice_aqc_dis_txq_item *qg_list; struct ice_q_ctx *q_ctx; int status = -ENOENT; struct ice_hw *hw; u16 i, buf_size; if (!pi || pi->port_state != ICE_SCHED_PORT_STATE_READY) return -EIO; hw = pi->hw; if (!num_queues) { /* if queue is disabled already yet the disable queue command * has to be sent to complete the VF reset, then call * ice_aq_dis_lan_txq without any queue information */ if (rst_src) return ice_aq_dis_lan_txq(hw, 0, NULL, 0, rst_src, vmvf_num, NULL); return -EIO; } buf_size = struct_size(qg_list, q_id, 1); qg_list = kzalloc(buf_size, GFP_KERNEL); if (!qg_list) return -ENOMEM; mutex_lock(&pi->sched_lock); for (i = 0; i < num_queues; i++) { struct ice_sched_node *node; node = ice_sched_find_node_by_teid(pi->root, q_teids[i]); if (!node) continue; q_ctx = ice_get_lan_q_ctx(hw, vsi_handle, tc, q_handles[i]); if (!q_ctx) { ice_debug(hw, ICE_DBG_SCHED, "invalid queue handle%d\n", q_handles[i]); continue; } if (q_ctx->q_handle != q_handles[i]) { ice_debug(hw, ICE_DBG_SCHED, "Err:handles %d %d\n", q_ctx->q_handle, q_handles[i]); continue; } qg_list->parent_teid = node->info.parent_teid; qg_list->num_qs = 1; qg_list->q_id[0] = cpu_to_le16(q_ids[i]); status = ice_aq_dis_lan_txq(hw, 1, qg_list, buf_size, rst_src, vmvf_num, cd); if (status) break; ice_free_sched_node(pi, node); q_ctx->q_handle = ICE_INVAL_Q_HANDLE; } mutex_unlock(&pi->sched_lock); kfree(qg_list); return status; } /** * ice_cfg_vsi_qs - configure the new/existing VSI queues * @pi: port information structure * @vsi_handle: software VSI handle * @tc_bitmap: TC bitmap * @maxqs: max queues array per TC * @owner: LAN or RDMA * * This function adds/updates the VSI queues per TC. */ static int ice_cfg_vsi_qs(struct ice_port_info *pi, u16 vsi_handle, u8 tc_bitmap, u16 *maxqs, u8 owner) { int status = 0; u8 i; if (!pi || pi->port_state != ICE_SCHED_PORT_STATE_READY) return -EIO; if (!ice_is_vsi_valid(pi->hw, vsi_handle)) return -EINVAL; mutex_lock(&pi->sched_lock); ice_for_each_traffic_class(i) { /* configuration is possible only if TC node is present */ if (!ice_sched_get_tc_node(pi, i)) continue; status = ice_sched_cfg_vsi(pi, vsi_handle, i, maxqs[i], owner, ice_is_tc_ena(tc_bitmap, i)); if (status) break; } mutex_unlock(&pi->sched_lock); return status; } /** * ice_cfg_vsi_lan - configure VSI LAN queues * @pi: port information structure * @vsi_handle: software VSI handle * @tc_bitmap: TC bitmap * @max_lanqs: max LAN queues array per TC * * This function adds/updates the VSI LAN queues per TC. */ int ice_cfg_vsi_lan(struct ice_port_info *pi, u16 vsi_handle, u8 tc_bitmap, u16 *max_lanqs) { return ice_cfg_vsi_qs(pi, vsi_handle, tc_bitmap, max_lanqs, ICE_SCHED_NODE_OWNER_LAN); } /** * ice_cfg_vsi_rdma - configure the VSI RDMA queues * @pi: port information structure * @vsi_handle: software VSI handle * @tc_bitmap: TC bitmap * @max_rdmaqs: max RDMA queues array per TC * * This function adds/updates the VSI RDMA queues per TC. */ int ice_cfg_vsi_rdma(struct ice_port_info *pi, u16 vsi_handle, u16 tc_bitmap, u16 *max_rdmaqs) { return ice_cfg_vsi_qs(pi, vsi_handle, tc_bitmap, max_rdmaqs, ICE_SCHED_NODE_OWNER_RDMA); } /** * ice_ena_vsi_rdma_qset * @pi: port information structure * @vsi_handle: software VSI handle * @tc: TC number * @rdma_qset: pointer to RDMA Qset * @num_qsets: number of RDMA Qsets * @qset_teid: pointer to Qset node TEIDs * * This function adds RDMA Qset */ int ice_ena_vsi_rdma_qset(struct ice_port_info *pi, u16 vsi_handle, u8 tc, u16 *rdma_qset, u16 num_qsets, u32 *qset_teid) { struct ice_aqc_txsched_elem_data node = { 0 }; struct ice_aqc_add_rdma_qset_data *buf; struct ice_sched_node *parent; struct ice_hw *hw; u16 i, buf_size; int ret; if (!pi || pi->port_state != ICE_SCHED_PORT_STATE_READY) return -EIO; hw = pi->hw; if (!ice_is_vsi_valid(hw, vsi_handle)) return -EINVAL; buf_size = struct_size(buf, rdma_qsets, num_qsets); buf = kzalloc(buf_size, GFP_KERNEL); if (!buf) return -ENOMEM; mutex_lock(&pi->sched_lock); parent = ice_sched_get_free_qparent(pi, vsi_handle, tc, ICE_SCHED_NODE_OWNER_RDMA); if (!parent) { ret = -EINVAL; goto rdma_error_exit; } buf->parent_teid = parent->info.node_teid; node.parent_teid = parent->info.node_teid; buf->num_qsets = cpu_to_le16(num_qsets); for (i = 0; i < num_qsets; i++) { buf->rdma_qsets[i].tx_qset_id = cpu_to_le16(rdma_qset[i]); buf->rdma_qsets[i].info.valid_sections = ICE_AQC_ELEM_VALID_GENERIC | ICE_AQC_ELEM_VALID_CIR | ICE_AQC_ELEM_VALID_EIR; buf->rdma_qsets[i].info.generic = 0; buf->rdma_qsets[i].info.cir_bw.bw_profile_idx = cpu_to_le16(ICE_SCHED_DFLT_RL_PROF_ID); buf->rdma_qsets[i].info.cir_bw.bw_alloc = cpu_to_le16(ICE_SCHED_DFLT_BW_WT); buf->rdma_qsets[i].info.eir_bw.bw_profile_idx = cpu_to_le16(ICE_SCHED_DFLT_RL_PROF_ID); buf->rdma_qsets[i].info.eir_bw.bw_alloc = cpu_to_le16(ICE_SCHED_DFLT_BW_WT); } ret = ice_aq_add_rdma_qsets(hw, 1, buf, buf_size, NULL); if (ret) { ice_debug(hw, ICE_DBG_RDMA, "add RDMA qset failed\n"); goto rdma_error_exit; } node.data.elem_type = ICE_AQC_ELEM_TYPE_LEAF; for (i = 0; i < num_qsets; i++) { node.node_teid = buf->rdma_qsets[i].qset_teid; ret = ice_sched_add_node(pi, hw->num_tx_sched_layers - 1, &node, NULL); if (ret) break; qset_teid[i] = le32_to_cpu(node.node_teid); } rdma_error_exit: mutex_unlock(&pi->sched_lock); kfree(buf); return ret; } /** * ice_dis_vsi_rdma_qset - free RDMA resources * @pi: port_info struct * @count: number of RDMA Qsets to free * @qset_teid: TEID of Qset node * @q_id: list of queue IDs being disabled */ int ice_dis_vsi_rdma_qset(struct ice_port_info *pi, u16 count, u32 *qset_teid, u16 *q_id) { struct ice_aqc_dis_txq_item *qg_list; struct ice_hw *hw; int status = 0; u16 qg_size; int i; if (!pi || pi->port_state != ICE_SCHED_PORT_STATE_READY) return -EIO; hw = pi->hw; qg_size = struct_size(qg_list, q_id, 1); qg_list = kzalloc(qg_size, GFP_KERNEL); if (!qg_list) return -ENOMEM; mutex_lock(&pi->sched_lock); for (i = 0; i < count; i++) { struct ice_sched_node *node; node = ice_sched_find_node_by_teid(pi->root, qset_teid[i]); if (!node) continue; qg_list->parent_teid = node->info.parent_teid; qg_list->num_qs = 1; qg_list->q_id[0] = cpu_to_le16(q_id[i] | ICE_AQC_Q_DIS_BUF_ELEM_TYPE_RDMA_QSET); status = ice_aq_dis_lan_txq(hw, 1, qg_list, qg_size, ICE_NO_RESET, 0, NULL); if (status) break; ice_free_sched_node(pi, node); } mutex_unlock(&pi->sched_lock); kfree(qg_list); return status; } /** * ice_replay_pre_init - replay pre initialization * @hw: pointer to the HW struct * * Initializes required config data for VSI, FD, ACL, and RSS before replay. */ static int ice_replay_pre_init(struct ice_hw *hw) { struct ice_switch_info *sw = hw->switch_info; u8 i; /* Delete old entries from replay filter list head if there is any */ ice_rm_all_sw_replay_rule_info(hw); /* In start of replay, move entries into replay_rules list, it * will allow adding rules entries back to filt_rules list, * which is operational list. */ for (i = 0; i < ICE_MAX_NUM_RECIPES; i++) list_replace_init(&sw->recp_list[i].filt_rules, &sw->recp_list[i].filt_replay_rules); ice_sched_replay_agg_vsi_preinit(hw); return 0; } /** * ice_replay_vsi - replay VSI configuration * @hw: pointer to the HW struct * @vsi_handle: driver VSI handle * * Restore all VSI configuration after reset. It is required to call this * function with main VSI first. */ int ice_replay_vsi(struct ice_hw *hw, u16 vsi_handle) { int status; if (!ice_is_vsi_valid(hw, vsi_handle)) return -EINVAL; /* Replay pre-initialization if there is any */ if (vsi_handle == ICE_MAIN_VSI_HANDLE) { status = ice_replay_pre_init(hw); if (status) return status; } /* Replay per VSI all RSS configurations */ status = ice_replay_rss_cfg(hw, vsi_handle); if (status) return status; /* Replay per VSI all filters */ status = ice_replay_vsi_all_fltr(hw, vsi_handle); if (!status) status = ice_replay_vsi_agg(hw, vsi_handle); return status; } /** * ice_replay_post - post replay configuration cleanup * @hw: pointer to the HW struct * * Post replay cleanup. */ void ice_replay_post(struct ice_hw *hw) { /* Delete old entries from replay filter list head */ ice_rm_all_sw_replay_rule_info(hw); ice_sched_replay_agg(hw); } /** * ice_stat_update40 - read 40 bit stat from the chip and update stat values * @hw: ptr to the hardware info * @reg: offset of 64 bit HW register to read from * @prev_stat_loaded: bool to specify if previous stats are loaded * @prev_stat: ptr to previous loaded stat value * @cur_stat: ptr to current stat value */ void ice_stat_update40(struct ice_hw *hw, u32 reg, bool prev_stat_loaded, u64 *prev_stat, u64 *cur_stat) { u64 new_data = rd64(hw, reg) & (BIT_ULL(40) - 1); /* device stats are not reset at PFR, they likely will not be zeroed * when the driver starts. Thus, save the value from the first read * without adding to the statistic value so that we report stats which * count up from zero. */ if (!prev_stat_loaded) { *prev_stat = new_data; return; } /* Calculate the difference between the new and old values, and then * add it to the software stat value. */ if (new_data >= *prev_stat) *cur_stat += new_data - *prev_stat; else /* to manage the potential roll-over */ *cur_stat += (new_data + BIT_ULL(40)) - *prev_stat; /* Update the previously stored value to prepare for next read */ *prev_stat = new_data; } /** * ice_stat_update32 - read 32 bit stat from the chip and update stat values * @hw: ptr to the hardware info * @reg: offset of HW register to read from * @prev_stat_loaded: bool to specify if previous stats are loaded * @prev_stat: ptr to previous loaded stat value * @cur_stat: ptr to current stat value */ void ice_stat_update32(struct ice_hw *hw, u32 reg, bool prev_stat_loaded, u64 *prev_stat, u64 *cur_stat) { u32 new_data; new_data = rd32(hw, reg); /* device stats are not reset at PFR, they likely will not be zeroed * when the driver starts. Thus, save the value from the first read * without adding to the statistic value so that we report stats which * count up from zero. */ if (!prev_stat_loaded) { *prev_stat = new_data; return; } /* Calculate the difference between the new and old values, and then * add it to the software stat value. */ if (new_data >= *prev_stat) *cur_stat += new_data - *prev_stat; else /* to manage the potential roll-over */ *cur_stat += (new_data + BIT_ULL(32)) - *prev_stat; /* Update the previously stored value to prepare for next read */ *prev_stat = new_data; } /** * ice_sched_query_elem - query element information from HW * @hw: pointer to the HW struct * @node_teid: node TEID to be queried * @buf: buffer to element information * * This function queries HW element information */ int ice_sched_query_elem(struct ice_hw *hw, u32 node_teid, struct ice_aqc_txsched_elem_data *buf) { u16 buf_size, num_elem_ret = 0; int status; buf_size = sizeof(*buf); memset(buf, 0, buf_size); buf->node_teid = cpu_to_le32(node_teid); status = ice_aq_query_sched_elems(hw, 1, buf, buf_size, &num_elem_ret, NULL); if (status || num_elem_ret != 1) ice_debug(hw, ICE_DBG_SCHED, "query element failed\n"); return status; } /** * ice_aq_read_i2c * @hw: pointer to the hw struct * @topo_addr: topology address for a device to communicate with * @bus_addr: 7-bit I2C bus address * @addr: I2C memory address (I2C offset) with up to 16 bits * @params: I2C parameters: bit [7] - Repeated start, * bits [6:5] data offset size, * bit [4] - I2C address type, * bits [3:0] - data size to read (0-16 bytes) * @data: pointer to data (0 to 16 bytes) to be read from the I2C device * @cd: pointer to command details structure or NULL * * Read I2C (0x06E2) */ int ice_aq_read_i2c(struct ice_hw *hw, struct ice_aqc_link_topo_addr topo_addr, u16 bus_addr, __le16 addr, u8 params, u8 *data, struct ice_sq_cd *cd) { struct ice_aq_desc desc = { 0 }; struct ice_aqc_i2c *cmd; u8 data_size; int status; ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_read_i2c); cmd = &desc.params.read_write_i2c; if (!data) return -EINVAL; data_size = FIELD_GET(ICE_AQC_I2C_DATA_SIZE_M, params); cmd->i2c_bus_addr = cpu_to_le16(bus_addr); cmd->topo_addr = topo_addr; cmd->i2c_params = params; cmd->i2c_addr = addr; status = ice_aq_send_cmd(hw, &desc, NULL, 0, cd); if (!status) { struct ice_aqc_read_i2c_resp *resp; u8 i; resp = &desc.params.read_i2c_resp; for (i = 0; i < data_size; i++) { *data = resp->i2c_data[i]; data++; } } return status; } /** * ice_aq_write_i2c * @hw: pointer to the hw struct * @topo_addr: topology address for a device to communicate with * @bus_addr: 7-bit I2C bus address * @addr: I2C memory address (I2C offset) with up to 16 bits * @params: I2C parameters: bit [4] - I2C address type, bits [3:0] - data size to write (0-7 bytes) * @data: pointer to data (0 to 4 bytes) to be written to the I2C device * @cd: pointer to command details structure or NULL * * Write I2C (0x06E3) * * * Return: * * 0 - Successful write to the i2c device * * -EINVAL - Data size greater than 4 bytes * * -EIO - FW error */ int ice_aq_write_i2c(struct ice_hw *hw, struct ice_aqc_link_topo_addr topo_addr, u16 bus_addr, __le16 addr, u8 params, u8 *data, struct ice_sq_cd *cd) { struct ice_aq_desc desc = { 0 }; struct ice_aqc_i2c *cmd; u8 data_size; ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_write_i2c); cmd = &desc.params.read_write_i2c; data_size = FIELD_GET(ICE_AQC_I2C_DATA_SIZE_M, params); /* data_size limited to 4 */ if (data_size > 4) return -EINVAL; cmd->i2c_bus_addr = cpu_to_le16(bus_addr); cmd->topo_addr = topo_addr; cmd->i2c_params = params; cmd->i2c_addr = addr; memcpy(cmd->i2c_data, data, data_size); return ice_aq_send_cmd(hw, &desc, NULL, 0, cd); } /** * ice_aq_set_driver_param - Set driver parameter to share via firmware * @hw: pointer to the HW struct * @idx: parameter index to set * @value: the value to set the parameter to * @cd: pointer to command details structure or NULL * * Set the value of one of the software defined parameters. All PFs connected * to this device can read the value using ice_aq_get_driver_param. * * Note that firmware provides no synchronization or locking, and will not * save the parameter value during a device reset. It is expected that * a single PF will write the parameter value, while all other PFs will only * read it. */ int ice_aq_set_driver_param(struct ice_hw *hw, enum ice_aqc_driver_params idx, u32 value, struct ice_sq_cd *cd) { struct ice_aqc_driver_shared_params *cmd; struct ice_aq_desc desc; if (idx >= ICE_AQC_DRIVER_PARAM_MAX) return -EIO; cmd = &desc.params.drv_shared_params; ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_driver_shared_params); cmd->set_or_get_op = ICE_AQC_DRIVER_PARAM_SET; cmd->param_indx = idx; cmd->param_val = cpu_to_le32(value); return ice_aq_send_cmd(hw, &desc, NULL, 0, cd); } /** * ice_aq_get_driver_param - Get driver parameter shared via firmware * @hw: pointer to the HW struct * @idx: parameter index to set * @value: storage to return the shared parameter * @cd: pointer to command details structure or NULL * * Get the value of one of the software defined parameters. * * Note that firmware provides no synchronization or locking. It is expected * that only a single PF will write a given parameter. */ int ice_aq_get_driver_param(struct ice_hw *hw, enum ice_aqc_driver_params idx, u32 *value, struct ice_sq_cd *cd) { struct ice_aqc_driver_shared_params *cmd; struct ice_aq_desc desc; int status; if (idx >= ICE_AQC_DRIVER_PARAM_MAX) return -EIO; cmd = &desc.params.drv_shared_params; ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_driver_shared_params); cmd->set_or_get_op = ICE_AQC_DRIVER_PARAM_GET; cmd->param_indx = idx; status = ice_aq_send_cmd(hw, &desc, NULL, 0, cd); if (status) return status; *value = le32_to_cpu(cmd->param_val); return 0; } /** * ice_aq_set_gpio * @hw: pointer to the hw struct * @gpio_ctrl_handle: GPIO controller node handle * @pin_idx: IO Number of the GPIO that needs to be set * @value: SW provide IO value to set in the LSB * @cd: pointer to command details structure or NULL * * Sends 0x06EC AQ command to set the GPIO pin state that's part of the topology */ int ice_aq_set_gpio(struct ice_hw *hw, u16 gpio_ctrl_handle, u8 pin_idx, bool value, struct ice_sq_cd *cd) { struct ice_aqc_gpio *cmd; struct ice_aq_desc desc; ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_set_gpio); cmd = &desc.params.read_write_gpio; cmd->gpio_ctrl_handle = cpu_to_le16(gpio_ctrl_handle); cmd->gpio_num = pin_idx; cmd->gpio_val = value ? 1 : 0; return ice_aq_send_cmd(hw, &desc, NULL, 0, cd); } /** * ice_aq_get_gpio * @hw: pointer to the hw struct * @gpio_ctrl_handle: GPIO controller node handle * @pin_idx: IO Number of the GPIO that needs to be set * @value: IO value read * @cd: pointer to command details structure or NULL * * Sends 0x06ED AQ command to get the value of a GPIO signal which is part of * the topology */ int ice_aq_get_gpio(struct ice_hw *hw, u16 gpio_ctrl_handle, u8 pin_idx, bool *value, struct ice_sq_cd *cd) { struct ice_aqc_gpio *cmd; struct ice_aq_desc desc; int status; ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_gpio); cmd = &desc.params.read_write_gpio; cmd->gpio_ctrl_handle = cpu_to_le16(gpio_ctrl_handle); cmd->gpio_num = pin_idx; status = ice_aq_send_cmd(hw, &desc, NULL, 0, cd); if (status) return status; *value = !!cmd->gpio_val; return 0; } /** * ice_is_fw_api_min_ver * @hw: pointer to the hardware structure * @maj: major version * @min: minor version * @patch: patch version * * Checks if the firmware API is minimum version */ static bool ice_is_fw_api_min_ver(struct ice_hw *hw, u8 maj, u8 min, u8 patch) { if (hw->api_maj_ver == maj) { if (hw->api_min_ver > min) return true; if (hw->api_min_ver == min && hw->api_patch >= patch) return true; } else if (hw->api_maj_ver > maj) { return true; } return false; } /** * ice_fw_supports_link_override * @hw: pointer to the hardware structure * * Checks if the firmware supports link override */ bool ice_fw_supports_link_override(struct ice_hw *hw) { return ice_is_fw_api_min_ver(hw, ICE_FW_API_LINK_OVERRIDE_MAJ, ICE_FW_API_LINK_OVERRIDE_MIN, ICE_FW_API_LINK_OVERRIDE_PATCH); } /** * ice_get_link_default_override * @ldo: pointer to the link default override struct * @pi: pointer to the port info struct * * Gets the link default override for a port */ int ice_get_link_default_override(struct ice_link_default_override_tlv *ldo, struct ice_port_info *pi) { u16 i, tlv, tlv_len, tlv_start, buf, offset; struct ice_hw *hw = pi->hw; int status; status = ice_get_pfa_module_tlv(hw, &tlv, &tlv_len, ICE_SR_LINK_DEFAULT_OVERRIDE_PTR); if (status) { ice_debug(hw, ICE_DBG_INIT, "Failed to read link override TLV.\n"); return status; } /* Each port has its own config; calculate for our port */ tlv_start = tlv + pi->lport * ICE_SR_PFA_LINK_OVERRIDE_WORDS + ICE_SR_PFA_LINK_OVERRIDE_OFFSET; /* link options first */ status = ice_read_sr_word(hw, tlv_start, &buf); if (status) { ice_debug(hw, ICE_DBG_INIT, "Failed to read override link options.\n"); return status; } ldo->options = buf & ICE_LINK_OVERRIDE_OPT_M; ldo->phy_config = (buf & ICE_LINK_OVERRIDE_PHY_CFG_M) >> ICE_LINK_OVERRIDE_PHY_CFG_S; /* link PHY config */ offset = tlv_start + ICE_SR_PFA_LINK_OVERRIDE_FEC_OFFSET; status = ice_read_sr_word(hw, offset, &buf); if (status) { ice_debug(hw, ICE_DBG_INIT, "Failed to read override phy config.\n"); return status; } ldo->fec_options = buf & ICE_LINK_OVERRIDE_FEC_OPT_M; /* PHY types low */ offset = tlv_start + ICE_SR_PFA_LINK_OVERRIDE_PHY_OFFSET; for (i = 0; i < ICE_SR_PFA_LINK_OVERRIDE_PHY_WORDS; i++) { status = ice_read_sr_word(hw, (offset + i), &buf); if (status) { ice_debug(hw, ICE_DBG_INIT, "Failed to read override link options.\n"); return status; } /* shift 16 bits at a time to fill 64 bits */ ldo->phy_type_low |= ((u64)buf << (i * 16)); } /* PHY types high */ offset = tlv_start + ICE_SR_PFA_LINK_OVERRIDE_PHY_OFFSET + ICE_SR_PFA_LINK_OVERRIDE_PHY_WORDS; for (i = 0; i < ICE_SR_PFA_LINK_OVERRIDE_PHY_WORDS; i++) { status = ice_read_sr_word(hw, (offset + i), &buf); if (status) { ice_debug(hw, ICE_DBG_INIT, "Failed to read override link options.\n"); return status; } /* shift 16 bits at a time to fill 64 bits */ ldo->phy_type_high |= ((u64)buf << (i * 16)); } return status; } /** * ice_is_phy_caps_an_enabled - check if PHY capabilities autoneg is enabled * @caps: get PHY capability data */ bool ice_is_phy_caps_an_enabled(struct ice_aqc_get_phy_caps_data *caps) { if (caps->caps & ICE_AQC_PHY_AN_MODE || caps->low_power_ctrl_an & (ICE_AQC_PHY_AN_EN_CLAUSE28 | ICE_AQC_PHY_AN_EN_CLAUSE73 | ICE_AQC_PHY_AN_EN_CLAUSE37)) return true; return false; } /** * ice_aq_set_lldp_mib - Set the LLDP MIB * @hw: pointer to the HW struct * @mib_type: Local, Remote or both Local and Remote MIBs * @buf: pointer to the caller-supplied buffer to store the MIB block * @buf_size: size of the buffer (in bytes) * @cd: pointer to command details structure or NULL * * Set the LLDP MIB. (0x0A08) */ int ice_aq_set_lldp_mib(struct ice_hw *hw, u8 mib_type, void *buf, u16 buf_size, struct ice_sq_cd *cd) { struct ice_aqc_lldp_set_local_mib *cmd; struct ice_aq_desc desc; cmd = &desc.params.lldp_set_mib; if (buf_size == 0 || !buf) return -EINVAL; ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_lldp_set_local_mib); desc.flags |= cpu_to_le16((u16)ICE_AQ_FLAG_RD); desc.datalen = cpu_to_le16(buf_size); cmd->type = mib_type; cmd->length = cpu_to_le16(buf_size); return ice_aq_send_cmd(hw, &desc, buf, buf_size, cd); } /** * ice_fw_supports_lldp_fltr_ctrl - check NVM version supports lldp_fltr_ctrl * @hw: pointer to HW struct */ bool ice_fw_supports_lldp_fltr_ctrl(struct ice_hw *hw) { if (hw->mac_type != ICE_MAC_E810) return false; return ice_is_fw_api_min_ver(hw, ICE_FW_API_LLDP_FLTR_MAJ, ICE_FW_API_LLDP_FLTR_MIN, ICE_FW_API_LLDP_FLTR_PATCH); } /** * ice_lldp_fltr_add_remove - add or remove a LLDP Rx switch filter * @hw: pointer to HW struct * @vsi_num: absolute HW index for VSI * @add: boolean for if adding or removing a filter */ int ice_lldp_fltr_add_remove(struct ice_hw *hw, u16 vsi_num, bool add) { struct ice_aqc_lldp_filter_ctrl *cmd; struct ice_aq_desc desc; cmd = &desc.params.lldp_filter_ctrl; ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_lldp_filter_ctrl); if (add) cmd->cmd_flags = ICE_AQC_LLDP_FILTER_ACTION_ADD; else cmd->cmd_flags = ICE_AQC_LLDP_FILTER_ACTION_DELETE; cmd->vsi_num = cpu_to_le16(vsi_num); return ice_aq_send_cmd(hw, &desc, NULL, 0, NULL); } /** * ice_lldp_execute_pending_mib - execute LLDP pending MIB request * @hw: pointer to HW struct */ int ice_lldp_execute_pending_mib(struct ice_hw *hw) { struct ice_aq_desc desc; ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_lldp_execute_pending_mib); return ice_aq_send_cmd(hw, &desc, NULL, 0, NULL); } /** * ice_fw_supports_report_dflt_cfg * @hw: pointer to the hardware structure * * Checks if the firmware supports report default configuration */ bool ice_fw_supports_report_dflt_cfg(struct ice_hw *hw) { return ice_is_fw_api_min_ver(hw, ICE_FW_API_REPORT_DFLT_CFG_MAJ, ICE_FW_API_REPORT_DFLT_CFG_MIN, ICE_FW_API_REPORT_DFLT_CFG_PATCH); } /* each of the indexes into the following array match the speed of a return * value from the list of AQ returned speeds like the range: * ICE_AQ_LINK_SPEED_10MB .. ICE_AQ_LINK_SPEED_100GB excluding * ICE_AQ_LINK_SPEED_UNKNOWN which is BIT(15) and maps to BIT(14) in this * array. The array is defined as 15 elements long because the link_speed * returned by the firmware is a 16 bit * value, but is indexed * by [fls(speed) - 1] */ static const u32 ice_aq_to_link_speed[] = { SPEED_10, /* BIT(0) */ SPEED_100, SPEED_1000, SPEED_2500, SPEED_5000, SPEED_10000, SPEED_20000, SPEED_25000, SPEED_40000, SPEED_50000, SPEED_100000, /* BIT(10) */ }; /** * ice_get_link_speed - get integer speed from table * @index: array index from fls(aq speed) - 1 * * Returns: u32 value containing integer speed */ u32 ice_get_link_speed(u16 index) { if (index >= ARRAY_SIZE(ice_aq_to_link_speed)) return 0; return ice_aq_to_link_speed[index]; }
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