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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
commit | 2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch) | |
tree | 848558de17fb3008cdf4d861b01ac7781903ce39 /drivers/net/ethernet/chelsio/cxgb4/cxgb4_ethtool.c | |
parent | Initial commit. (diff) | |
download | linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip |
Adding upstream version 6.1.76.upstream/6.1.76
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/net/ethernet/chelsio/cxgb4/cxgb4_ethtool.c')
-rw-r--r-- | drivers/net/ethernet/chelsio/cxgb4/cxgb4_ethtool.c | 2299 |
1 files changed, 2299 insertions, 0 deletions
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_ethtool.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_ethtool.c new file mode 100644 index 000000000..8477a93ce --- /dev/null +++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_ethtool.c @@ -0,0 +1,2299 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Copyright (C) 2013-2015 Chelsio Communications. All rights reserved. + */ + +#include <linux/firmware.h> +#include <linux/mdio.h> + +#include "cxgb4.h" +#include "t4_regs.h" +#include "t4fw_api.h" +#include "cxgb4_cudbg.h" +#include "cxgb4_filter.h" +#include "cxgb4_tc_flower.h" + +#define EEPROM_MAGIC 0x38E2F10C + +static u32 get_msglevel(struct net_device *dev) +{ + return netdev2adap(dev)->msg_enable; +} + +static void set_msglevel(struct net_device *dev, u32 val) +{ + netdev2adap(dev)->msg_enable = val; +} + +enum cxgb4_ethtool_tests { + CXGB4_ETHTOOL_LB_TEST, + CXGB4_ETHTOOL_MAX_TEST, +}; + +static const char cxgb4_selftest_strings[CXGB4_ETHTOOL_MAX_TEST][ETH_GSTRING_LEN] = { + "Loop back test (offline)", +}; + +static const char * const flash_region_strings[] = { + "All", + "Firmware", + "PHY Firmware", + "Boot", + "Boot CFG", +}; + +static const char stats_strings[][ETH_GSTRING_LEN] = { + "tx_octets_ok ", + "tx_frames_ok ", + "tx_broadcast_frames ", + "tx_multicast_frames ", + "tx_unicast_frames ", + "tx_error_frames ", + + "tx_frames_64 ", + "tx_frames_65_to_127 ", + "tx_frames_128_to_255 ", + "tx_frames_256_to_511 ", + "tx_frames_512_to_1023 ", + "tx_frames_1024_to_1518 ", + "tx_frames_1519_to_max ", + + "tx_frames_dropped ", + "tx_pause_frames ", + "tx_ppp0_frames ", + "tx_ppp1_frames ", + "tx_ppp2_frames ", + "tx_ppp3_frames ", + "tx_ppp4_frames ", + "tx_ppp5_frames ", + "tx_ppp6_frames ", + "tx_ppp7_frames ", + + "rx_octets_ok ", + "rx_frames_ok ", + "rx_broadcast_frames ", + "rx_multicast_frames ", + "rx_unicast_frames ", + + "rx_frames_too_long ", + "rx_jabber_errors ", + "rx_fcs_errors ", + "rx_length_errors ", + "rx_symbol_errors ", + "rx_runt_frames ", + + "rx_frames_64 ", + "rx_frames_65_to_127 ", + "rx_frames_128_to_255 ", + "rx_frames_256_to_511 ", + "rx_frames_512_to_1023 ", + "rx_frames_1024_to_1518 ", + "rx_frames_1519_to_max ", + + "rx_pause_frames ", + "rx_ppp0_frames ", + "rx_ppp1_frames ", + "rx_ppp2_frames ", + "rx_ppp3_frames ", + "rx_ppp4_frames ", + "rx_ppp5_frames ", + "rx_ppp6_frames ", + "rx_ppp7_frames ", + + "rx_bg0_frames_dropped ", + "rx_bg1_frames_dropped ", + "rx_bg2_frames_dropped ", + "rx_bg3_frames_dropped ", + "rx_bg0_frames_trunc ", + "rx_bg1_frames_trunc ", + "rx_bg2_frames_trunc ", + "rx_bg3_frames_trunc ", + + "tso ", + "uso ", + "tx_csum_offload ", + "rx_csum_good ", + "vlan_extractions ", + "vlan_insertions ", + "gro_packets ", + "gro_merged ", +#if IS_ENABLED(CONFIG_CHELSIO_TLS_DEVICE) + "tx_tls_encrypted_packets", + "tx_tls_encrypted_bytes ", + "tx_tls_ctx ", + "tx_tls_ooo ", + "tx_tls_skip_no_sync_data", + "tx_tls_drop_no_sync_data", + "tx_tls_drop_bypass_req ", +#endif +}; + +static char adapter_stats_strings[][ETH_GSTRING_LEN] = { + "db_drop ", + "db_full ", + "db_empty ", + "write_coal_success ", + "write_coal_fail ", +}; + +static char loopback_stats_strings[][ETH_GSTRING_LEN] = { + "-------Loopback----------- ", + "octets_ok ", + "frames_ok ", + "bcast_frames ", + "mcast_frames ", + "ucast_frames ", + "error_frames ", + "frames_64 ", + "frames_65_to_127 ", + "frames_128_to_255 ", + "frames_256_to_511 ", + "frames_512_to_1023 ", + "frames_1024_to_1518 ", + "frames_1519_to_max ", + "frames_dropped ", + "bg0_frames_dropped ", + "bg1_frames_dropped ", + "bg2_frames_dropped ", + "bg3_frames_dropped ", + "bg0_frames_trunc ", + "bg1_frames_trunc ", + "bg2_frames_trunc ", + "bg3_frames_trunc ", +}; + +static const char cxgb4_priv_flags_strings[][ETH_GSTRING_LEN] = { + [PRIV_FLAG_PORT_TX_VM_BIT] = "port_tx_vm_wr", +}; + +static int get_sset_count(struct net_device *dev, int sset) +{ + switch (sset) { + case ETH_SS_STATS: + return ARRAY_SIZE(stats_strings) + + ARRAY_SIZE(adapter_stats_strings) + + ARRAY_SIZE(loopback_stats_strings); + case ETH_SS_PRIV_FLAGS: + return ARRAY_SIZE(cxgb4_priv_flags_strings); + case ETH_SS_TEST: + return ARRAY_SIZE(cxgb4_selftest_strings); + default: + return -EOPNOTSUPP; + } +} + +static int get_regs_len(struct net_device *dev) +{ + struct adapter *adap = netdev2adap(dev); + + return t4_get_regs_len(adap); +} + +static int get_eeprom_len(struct net_device *dev) +{ + return EEPROMSIZE; +} + +static void get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info) +{ + struct adapter *adapter = netdev2adap(dev); + u32 exprom_vers; + + strscpy(info->driver, cxgb4_driver_name, sizeof(info->driver)); + strscpy(info->bus_info, pci_name(adapter->pdev), + sizeof(info->bus_info)); + info->regdump_len = get_regs_len(dev); + + if (adapter->params.fw_vers) + snprintf(info->fw_version, sizeof(info->fw_version), + "%u.%u.%u.%u, TP %u.%u.%u.%u", + FW_HDR_FW_VER_MAJOR_G(adapter->params.fw_vers), + FW_HDR_FW_VER_MINOR_G(adapter->params.fw_vers), + FW_HDR_FW_VER_MICRO_G(adapter->params.fw_vers), + FW_HDR_FW_VER_BUILD_G(adapter->params.fw_vers), + FW_HDR_FW_VER_MAJOR_G(adapter->params.tp_vers), + FW_HDR_FW_VER_MINOR_G(adapter->params.tp_vers), + FW_HDR_FW_VER_MICRO_G(adapter->params.tp_vers), + FW_HDR_FW_VER_BUILD_G(adapter->params.tp_vers)); + + if (!t4_get_exprom_version(adapter, &exprom_vers)) + snprintf(info->erom_version, sizeof(info->erom_version), + "%u.%u.%u.%u", + FW_HDR_FW_VER_MAJOR_G(exprom_vers), + FW_HDR_FW_VER_MINOR_G(exprom_vers), + FW_HDR_FW_VER_MICRO_G(exprom_vers), + FW_HDR_FW_VER_BUILD_G(exprom_vers)); + info->n_priv_flags = ARRAY_SIZE(cxgb4_priv_flags_strings); +} + +static void get_strings(struct net_device *dev, u32 stringset, u8 *data) +{ + if (stringset == ETH_SS_STATS) { + memcpy(data, stats_strings, sizeof(stats_strings)); + data += sizeof(stats_strings); + memcpy(data, adapter_stats_strings, + sizeof(adapter_stats_strings)); + data += sizeof(adapter_stats_strings); + memcpy(data, loopback_stats_strings, + sizeof(loopback_stats_strings)); + } else if (stringset == ETH_SS_PRIV_FLAGS) { + memcpy(data, cxgb4_priv_flags_strings, + sizeof(cxgb4_priv_flags_strings)); + } else if (stringset == ETH_SS_TEST) { + memcpy(data, cxgb4_selftest_strings, + sizeof(cxgb4_selftest_strings)); + } +} + +/* port stats maintained per queue of the port. They should be in the same + * order as in stats_strings above. + */ +struct queue_port_stats { + u64 tso; + u64 uso; + u64 tx_csum; + u64 rx_csum; + u64 vlan_ex; + u64 vlan_ins; + u64 gro_pkts; + u64 gro_merged; +#if IS_ENABLED(CONFIG_CHELSIO_TLS_DEVICE) + u64 tx_tls_encrypted_packets; + u64 tx_tls_encrypted_bytes; + u64 tx_tls_ctx; + u64 tx_tls_ooo; + u64 tx_tls_skip_no_sync_data; + u64 tx_tls_drop_no_sync_data; + u64 tx_tls_drop_bypass_req; +#endif +}; + +struct adapter_stats { + u64 db_drop; + u64 db_full; + u64 db_empty; + u64 wc_success; + u64 wc_fail; +}; + +static void collect_sge_port_stats(const struct adapter *adap, + const struct port_info *p, + struct queue_port_stats *s) +{ + const struct sge_eth_txq *tx = &adap->sge.ethtxq[p->first_qset]; + const struct sge_eth_rxq *rx = &adap->sge.ethrxq[p->first_qset]; +#if IS_ENABLED(CONFIG_CHELSIO_TLS_DEVICE) + const struct ch_ktls_port_stats_debug *ktls_stats; +#endif + struct sge_eohw_txq *eohw_tx; + unsigned int i; + + memset(s, 0, sizeof(*s)); + for (i = 0; i < p->nqsets; i++, rx++, tx++) { + s->tso += tx->tso; + s->uso += tx->uso; + s->tx_csum += tx->tx_cso; + s->rx_csum += rx->stats.rx_cso; + s->vlan_ex += rx->stats.vlan_ex; + s->vlan_ins += tx->vlan_ins; + s->gro_pkts += rx->stats.lro_pkts; + s->gro_merged += rx->stats.lro_merged; + } + + if (adap->sge.eohw_txq) { + eohw_tx = &adap->sge.eohw_txq[p->first_qset]; + for (i = 0; i < p->nqsets; i++, eohw_tx++) { + s->tso += eohw_tx->tso; + s->uso += eohw_tx->uso; + s->tx_csum += eohw_tx->tx_cso; + s->vlan_ins += eohw_tx->vlan_ins; + } + } +#if IS_ENABLED(CONFIG_CHELSIO_TLS_DEVICE) + ktls_stats = &adap->ch_ktls_stats.ktls_port[p->port_id]; + s->tx_tls_encrypted_packets = + atomic64_read(&ktls_stats->ktls_tx_encrypted_packets); + s->tx_tls_encrypted_bytes = + atomic64_read(&ktls_stats->ktls_tx_encrypted_bytes); + s->tx_tls_ctx = atomic64_read(&ktls_stats->ktls_tx_ctx); + s->tx_tls_ooo = atomic64_read(&ktls_stats->ktls_tx_ooo); + s->tx_tls_skip_no_sync_data = + atomic64_read(&ktls_stats->ktls_tx_skip_no_sync_data); + s->tx_tls_drop_no_sync_data = + atomic64_read(&ktls_stats->ktls_tx_drop_no_sync_data); + s->tx_tls_drop_bypass_req = + atomic64_read(&ktls_stats->ktls_tx_drop_bypass_req); +#endif +} + +static void collect_adapter_stats(struct adapter *adap, struct adapter_stats *s) +{ + u64 val1, val2; + + memset(s, 0, sizeof(*s)); + + s->db_drop = adap->db_stats.db_drop; + s->db_full = adap->db_stats.db_full; + s->db_empty = adap->db_stats.db_empty; + + if (!is_t4(adap->params.chip)) { + int v; + + v = t4_read_reg(adap, SGE_STAT_CFG_A); + if (STATSOURCE_T5_G(v) == 7) { + val2 = t4_read_reg(adap, SGE_STAT_MATCH_A); + val1 = t4_read_reg(adap, SGE_STAT_TOTAL_A); + s->wc_success = val1 - val2; + s->wc_fail = val2; + } + } +} + +static void get_stats(struct net_device *dev, struct ethtool_stats *stats, + u64 *data) +{ + struct port_info *pi = netdev_priv(dev); + struct adapter *adapter = pi->adapter; + struct lb_port_stats s; + int i; + u64 *p0; + + t4_get_port_stats_offset(adapter, pi->tx_chan, + (struct port_stats *)data, + &pi->stats_base); + + data += sizeof(struct port_stats) / sizeof(u64); + collect_sge_port_stats(adapter, pi, (struct queue_port_stats *)data); + data += sizeof(struct queue_port_stats) / sizeof(u64); + collect_adapter_stats(adapter, (struct adapter_stats *)data); + data += sizeof(struct adapter_stats) / sizeof(u64); + + *data++ = (u64)pi->port_id; + memset(&s, 0, sizeof(s)); + t4_get_lb_stats(adapter, pi->port_id, &s); + + p0 = &s.octets; + for (i = 0; i < ARRAY_SIZE(loopback_stats_strings) - 1; i++) + *data++ = (unsigned long long)*p0++; +} + +static void get_regs(struct net_device *dev, struct ethtool_regs *regs, + void *buf) +{ + struct adapter *adap = netdev2adap(dev); + size_t buf_size; + + buf_size = t4_get_regs_len(adap); + regs->version = mk_adap_vers(adap); + t4_get_regs(adap, buf, buf_size); +} + +static int restart_autoneg(struct net_device *dev) +{ + struct port_info *p = netdev_priv(dev); + + if (!netif_running(dev)) + return -EAGAIN; + if (p->link_cfg.autoneg != AUTONEG_ENABLE) + return -EINVAL; + t4_restart_aneg(p->adapter, p->adapter->pf, p->tx_chan); + return 0; +} + +static int identify_port(struct net_device *dev, + enum ethtool_phys_id_state state) +{ + unsigned int val; + struct adapter *adap = netdev2adap(dev); + + if (state == ETHTOOL_ID_ACTIVE) + val = 0xffff; + else if (state == ETHTOOL_ID_INACTIVE) + val = 0; + else + return -EINVAL; + + return t4_identify_port(adap, adap->pf, netdev2pinfo(dev)->viid, val); +} + +/** + * from_fw_port_mod_type - translate Firmware Port/Module type to Ethtool + * @port_type: Firmware Port Type + * @mod_type: Firmware Module Type + * + * Translate Firmware Port/Module type to Ethtool Port Type. + */ +static int from_fw_port_mod_type(enum fw_port_type port_type, + enum fw_port_module_type mod_type) +{ + if (port_type == FW_PORT_TYPE_BT_SGMII || + port_type == FW_PORT_TYPE_BT_XFI || + port_type == FW_PORT_TYPE_BT_XAUI) { + return PORT_TP; + } else if (port_type == FW_PORT_TYPE_FIBER_XFI || + port_type == FW_PORT_TYPE_FIBER_XAUI) { + return PORT_FIBRE; + } else if (port_type == FW_PORT_TYPE_SFP || + port_type == FW_PORT_TYPE_QSFP_10G || + port_type == FW_PORT_TYPE_QSA || + port_type == FW_PORT_TYPE_QSFP || + port_type == FW_PORT_TYPE_CR4_QSFP || + port_type == FW_PORT_TYPE_CR_QSFP || + port_type == FW_PORT_TYPE_CR2_QSFP || + port_type == FW_PORT_TYPE_SFP28) { + if (mod_type == FW_PORT_MOD_TYPE_LR || + mod_type == FW_PORT_MOD_TYPE_SR || + mod_type == FW_PORT_MOD_TYPE_ER || + mod_type == FW_PORT_MOD_TYPE_LRM) + return PORT_FIBRE; + else if (mod_type == FW_PORT_MOD_TYPE_TWINAX_PASSIVE || + mod_type == FW_PORT_MOD_TYPE_TWINAX_ACTIVE) + return PORT_DA; + else + return PORT_OTHER; + } else if (port_type == FW_PORT_TYPE_KR4_100G || + port_type == FW_PORT_TYPE_KR_SFP28 || + port_type == FW_PORT_TYPE_KR_XLAUI) { + return PORT_NONE; + } + + return PORT_OTHER; +} + +/** + * speed_to_fw_caps - translate Port Speed to Firmware Port Capabilities + * @speed: speed in Kb/s + * + * Translates a specific Port Speed into a Firmware Port Capabilities + * value. + */ +static unsigned int speed_to_fw_caps(int speed) +{ + if (speed == 100) + return FW_PORT_CAP32_SPEED_100M; + if (speed == 1000) + return FW_PORT_CAP32_SPEED_1G; + if (speed == 10000) + return FW_PORT_CAP32_SPEED_10G; + if (speed == 25000) + return FW_PORT_CAP32_SPEED_25G; + if (speed == 40000) + return FW_PORT_CAP32_SPEED_40G; + if (speed == 50000) + return FW_PORT_CAP32_SPEED_50G; + if (speed == 100000) + return FW_PORT_CAP32_SPEED_100G; + if (speed == 200000) + return FW_PORT_CAP32_SPEED_200G; + if (speed == 400000) + return FW_PORT_CAP32_SPEED_400G; + return 0; +} + +/** + * fw_caps_to_lmm - translate Firmware to ethtool Link Mode Mask + * @port_type: Firmware Port Type + * @fw_caps: Firmware Port Capabilities + * @link_mode_mask: ethtool Link Mode Mask + * + * Translate a Firmware Port Capabilities specification to an ethtool + * Link Mode Mask. + */ +static void fw_caps_to_lmm(enum fw_port_type port_type, + fw_port_cap32_t fw_caps, + unsigned long *link_mode_mask) +{ + #define SET_LMM(__lmm_name) \ + do { \ + __set_bit(ETHTOOL_LINK_MODE_ ## __lmm_name ## _BIT, \ + link_mode_mask); \ + } while (0) + + #define FW_CAPS_TO_LMM(__fw_name, __lmm_name) \ + do { \ + if (fw_caps & FW_PORT_CAP32_ ## __fw_name) \ + SET_LMM(__lmm_name); \ + } while (0) + + switch (port_type) { + case FW_PORT_TYPE_BT_SGMII: + case FW_PORT_TYPE_BT_XFI: + case FW_PORT_TYPE_BT_XAUI: + SET_LMM(TP); + FW_CAPS_TO_LMM(SPEED_100M, 100baseT_Full); + FW_CAPS_TO_LMM(SPEED_1G, 1000baseT_Full); + FW_CAPS_TO_LMM(SPEED_10G, 10000baseT_Full); + break; + + case FW_PORT_TYPE_KX4: + case FW_PORT_TYPE_KX: + SET_LMM(Backplane); + FW_CAPS_TO_LMM(SPEED_1G, 1000baseKX_Full); + FW_CAPS_TO_LMM(SPEED_10G, 10000baseKX4_Full); + break; + + case FW_PORT_TYPE_KR: + SET_LMM(Backplane); + FW_CAPS_TO_LMM(SPEED_10G, 10000baseKR_Full); + break; + + case FW_PORT_TYPE_BP_AP: + SET_LMM(Backplane); + FW_CAPS_TO_LMM(SPEED_1G, 1000baseKX_Full); + FW_CAPS_TO_LMM(SPEED_10G, 10000baseR_FEC); + FW_CAPS_TO_LMM(SPEED_10G, 10000baseKR_Full); + break; + + case FW_PORT_TYPE_BP4_AP: + SET_LMM(Backplane); + FW_CAPS_TO_LMM(SPEED_1G, 1000baseKX_Full); + FW_CAPS_TO_LMM(SPEED_10G, 10000baseR_FEC); + FW_CAPS_TO_LMM(SPEED_10G, 10000baseKR_Full); + FW_CAPS_TO_LMM(SPEED_10G, 10000baseKX4_Full); + break; + + case FW_PORT_TYPE_FIBER_XFI: + case FW_PORT_TYPE_FIBER_XAUI: + case FW_PORT_TYPE_SFP: + case FW_PORT_TYPE_QSFP_10G: + case FW_PORT_TYPE_QSA: + SET_LMM(FIBRE); + FW_CAPS_TO_LMM(SPEED_1G, 1000baseT_Full); + FW_CAPS_TO_LMM(SPEED_10G, 10000baseT_Full); + break; + + case FW_PORT_TYPE_BP40_BA: + case FW_PORT_TYPE_QSFP: + SET_LMM(FIBRE); + FW_CAPS_TO_LMM(SPEED_1G, 1000baseT_Full); + FW_CAPS_TO_LMM(SPEED_10G, 10000baseT_Full); + FW_CAPS_TO_LMM(SPEED_40G, 40000baseSR4_Full); + break; + + case FW_PORT_TYPE_CR_QSFP: + case FW_PORT_TYPE_SFP28: + SET_LMM(FIBRE); + FW_CAPS_TO_LMM(SPEED_1G, 1000baseT_Full); + FW_CAPS_TO_LMM(SPEED_10G, 10000baseT_Full); + FW_CAPS_TO_LMM(SPEED_25G, 25000baseCR_Full); + break; + + case FW_PORT_TYPE_KR_SFP28: + SET_LMM(Backplane); + FW_CAPS_TO_LMM(SPEED_1G, 1000baseT_Full); + FW_CAPS_TO_LMM(SPEED_10G, 10000baseKR_Full); + FW_CAPS_TO_LMM(SPEED_25G, 25000baseKR_Full); + break; + + case FW_PORT_TYPE_KR_XLAUI: + SET_LMM(Backplane); + FW_CAPS_TO_LMM(SPEED_1G, 1000baseKX_Full); + FW_CAPS_TO_LMM(SPEED_10G, 10000baseKR_Full); + FW_CAPS_TO_LMM(SPEED_40G, 40000baseKR4_Full); + break; + + case FW_PORT_TYPE_CR2_QSFP: + SET_LMM(FIBRE); + FW_CAPS_TO_LMM(SPEED_50G, 50000baseSR2_Full); + break; + + case FW_PORT_TYPE_KR4_100G: + case FW_PORT_TYPE_CR4_QSFP: + SET_LMM(FIBRE); + FW_CAPS_TO_LMM(SPEED_1G, 1000baseT_Full); + FW_CAPS_TO_LMM(SPEED_10G, 10000baseKR_Full); + FW_CAPS_TO_LMM(SPEED_40G, 40000baseSR4_Full); + FW_CAPS_TO_LMM(SPEED_25G, 25000baseCR_Full); + FW_CAPS_TO_LMM(SPEED_50G, 50000baseCR2_Full); + FW_CAPS_TO_LMM(SPEED_100G, 100000baseCR4_Full); + break; + + default: + break; + } + + if (fw_caps & FW_PORT_CAP32_FEC_V(FW_PORT_CAP32_FEC_M)) { + FW_CAPS_TO_LMM(FEC_RS, FEC_RS); + FW_CAPS_TO_LMM(FEC_BASER_RS, FEC_BASER); + } else { + SET_LMM(FEC_NONE); + } + + FW_CAPS_TO_LMM(ANEG, Autoneg); + FW_CAPS_TO_LMM(802_3_PAUSE, Pause); + FW_CAPS_TO_LMM(802_3_ASM_DIR, Asym_Pause); + + #undef FW_CAPS_TO_LMM + #undef SET_LMM +} + +/** + * lmm_to_fw_caps - translate ethtool Link Mode Mask to Firmware + * capabilities + * @link_mode_mask: ethtool Link Mode Mask + * + * Translate ethtool Link Mode Mask into a Firmware Port capabilities + * value. + */ +static unsigned int lmm_to_fw_caps(const unsigned long *link_mode_mask) +{ + unsigned int fw_caps = 0; + + #define LMM_TO_FW_CAPS(__lmm_name, __fw_name) \ + do { \ + if (test_bit(ETHTOOL_LINK_MODE_ ## __lmm_name ## _BIT, \ + link_mode_mask)) \ + fw_caps |= FW_PORT_CAP32_ ## __fw_name; \ + } while (0) + + LMM_TO_FW_CAPS(100baseT_Full, SPEED_100M); + LMM_TO_FW_CAPS(1000baseT_Full, SPEED_1G); + LMM_TO_FW_CAPS(10000baseT_Full, SPEED_10G); + LMM_TO_FW_CAPS(40000baseSR4_Full, SPEED_40G); + LMM_TO_FW_CAPS(25000baseCR_Full, SPEED_25G); + LMM_TO_FW_CAPS(50000baseCR2_Full, SPEED_50G); + LMM_TO_FW_CAPS(100000baseCR4_Full, SPEED_100G); + + #undef LMM_TO_FW_CAPS + + return fw_caps; +} + +static int get_link_ksettings(struct net_device *dev, + struct ethtool_link_ksettings *link_ksettings) +{ + struct port_info *pi = netdev_priv(dev); + struct ethtool_link_settings *base = &link_ksettings->base; + + /* For the nonce, the Firmware doesn't send up Port State changes + * when the Virtual Interface attached to the Port is down. So + * if it's down, let's grab any changes. + */ + if (!netif_running(dev)) + (void)t4_update_port_info(pi); + + ethtool_link_ksettings_zero_link_mode(link_ksettings, supported); + ethtool_link_ksettings_zero_link_mode(link_ksettings, advertising); + ethtool_link_ksettings_zero_link_mode(link_ksettings, lp_advertising); + + base->port = from_fw_port_mod_type(pi->port_type, pi->mod_type); + + if (pi->mdio_addr >= 0) { + base->phy_address = pi->mdio_addr; + base->mdio_support = (pi->port_type == FW_PORT_TYPE_BT_SGMII + ? ETH_MDIO_SUPPORTS_C22 + : ETH_MDIO_SUPPORTS_C45); + } else { + base->phy_address = 255; + base->mdio_support = 0; + } + + fw_caps_to_lmm(pi->port_type, pi->link_cfg.pcaps, + link_ksettings->link_modes.supported); + fw_caps_to_lmm(pi->port_type, + t4_link_acaps(pi->adapter, + pi->lport, + &pi->link_cfg), + link_ksettings->link_modes.advertising); + fw_caps_to_lmm(pi->port_type, pi->link_cfg.lpacaps, + link_ksettings->link_modes.lp_advertising); + + base->speed = (netif_carrier_ok(dev) + ? pi->link_cfg.speed + : SPEED_UNKNOWN); + base->duplex = DUPLEX_FULL; + + base->autoneg = pi->link_cfg.autoneg; + if (pi->link_cfg.pcaps & FW_PORT_CAP32_ANEG) + ethtool_link_ksettings_add_link_mode(link_ksettings, + supported, Autoneg); + if (pi->link_cfg.autoneg) + ethtool_link_ksettings_add_link_mode(link_ksettings, + advertising, Autoneg); + + return 0; +} + +static int set_link_ksettings(struct net_device *dev, + const struct ethtool_link_ksettings *link_ksettings) +{ + struct port_info *pi = netdev_priv(dev); + struct link_config *lc = &pi->link_cfg; + const struct ethtool_link_settings *base = &link_ksettings->base; + struct link_config old_lc; + unsigned int fw_caps; + int ret = 0; + + /* only full-duplex supported */ + if (base->duplex != DUPLEX_FULL) + return -EINVAL; + + old_lc = *lc; + if (!(lc->pcaps & FW_PORT_CAP32_ANEG) || + base->autoneg == AUTONEG_DISABLE) { + fw_caps = speed_to_fw_caps(base->speed); + + /* Speed must be supported by Physical Port Capabilities. */ + if (!(lc->pcaps & fw_caps)) + return -EINVAL; + + lc->speed_caps = fw_caps; + lc->acaps = fw_caps; + } else { + fw_caps = + lmm_to_fw_caps(link_ksettings->link_modes.advertising); + if (!(lc->pcaps & fw_caps)) + return -EINVAL; + lc->speed_caps = 0; + lc->acaps = fw_caps | FW_PORT_CAP32_ANEG; + } + lc->autoneg = base->autoneg; + + /* If the firmware rejects the Link Configuration request, back out + * the changes and report the error. + */ + ret = t4_link_l1cfg(pi->adapter, pi->adapter->mbox, pi->tx_chan, lc); + if (ret) + *lc = old_lc; + + return ret; +} + +/* Translate the Firmware FEC value into the ethtool value. */ +static inline unsigned int fwcap_to_eth_fec(unsigned int fw_fec) +{ + unsigned int eth_fec = 0; + + if (fw_fec & FW_PORT_CAP32_FEC_RS) + eth_fec |= ETHTOOL_FEC_RS; + if (fw_fec & FW_PORT_CAP32_FEC_BASER_RS) + eth_fec |= ETHTOOL_FEC_BASER; + + /* if nothing is set, then FEC is off */ + if (!eth_fec) + eth_fec = ETHTOOL_FEC_OFF; + + return eth_fec; +} + +/* Translate Common Code FEC value into ethtool value. */ +static inline unsigned int cc_to_eth_fec(unsigned int cc_fec) +{ + unsigned int eth_fec = 0; + + if (cc_fec & FEC_AUTO) + eth_fec |= ETHTOOL_FEC_AUTO; + if (cc_fec & FEC_RS) + eth_fec |= ETHTOOL_FEC_RS; + if (cc_fec & FEC_BASER_RS) + eth_fec |= ETHTOOL_FEC_BASER; + + /* if nothing is set, then FEC is off */ + if (!eth_fec) + eth_fec = ETHTOOL_FEC_OFF; + + return eth_fec; +} + +/* Translate ethtool FEC value into Common Code value. */ +static inline unsigned int eth_to_cc_fec(unsigned int eth_fec) +{ + unsigned int cc_fec = 0; + + if (eth_fec & ETHTOOL_FEC_OFF) + return cc_fec; + + if (eth_fec & ETHTOOL_FEC_AUTO) + cc_fec |= FEC_AUTO; + if (eth_fec & ETHTOOL_FEC_RS) + cc_fec |= FEC_RS; + if (eth_fec & ETHTOOL_FEC_BASER) + cc_fec |= FEC_BASER_RS; + + return cc_fec; +} + +static int get_fecparam(struct net_device *dev, struct ethtool_fecparam *fec) +{ + const struct port_info *pi = netdev_priv(dev); + const struct link_config *lc = &pi->link_cfg; + + /* Translate the Firmware FEC Support into the ethtool value. We + * always support IEEE 802.3 "automatic" selection of Link FEC type if + * any FEC is supported. + */ + fec->fec = fwcap_to_eth_fec(lc->pcaps); + if (fec->fec != ETHTOOL_FEC_OFF) + fec->fec |= ETHTOOL_FEC_AUTO; + + /* Translate the current internal FEC parameters into the + * ethtool values. + */ + fec->active_fec = cc_to_eth_fec(lc->fec); + + return 0; +} + +static int set_fecparam(struct net_device *dev, struct ethtool_fecparam *fec) +{ + struct port_info *pi = netdev_priv(dev); + struct link_config *lc = &pi->link_cfg; + struct link_config old_lc; + int ret; + + /* Save old Link Configuration in case the L1 Configure below + * fails. + */ + old_lc = *lc; + + /* Try to perform the L1 Configure and return the result of that + * effort. If it fails, revert the attempted change. + */ + lc->requested_fec = eth_to_cc_fec(fec->fec); + ret = t4_link_l1cfg(pi->adapter, pi->adapter->mbox, + pi->tx_chan, lc); + if (ret) + *lc = old_lc; + return ret; +} + +static void get_pauseparam(struct net_device *dev, + struct ethtool_pauseparam *epause) +{ + struct port_info *p = netdev_priv(dev); + + epause->autoneg = (p->link_cfg.requested_fc & PAUSE_AUTONEG) != 0; + epause->rx_pause = (p->link_cfg.advertised_fc & PAUSE_RX) != 0; + epause->tx_pause = (p->link_cfg.advertised_fc & PAUSE_TX) != 0; +} + +static int set_pauseparam(struct net_device *dev, + struct ethtool_pauseparam *epause) +{ + struct port_info *p = netdev_priv(dev); + struct link_config *lc = &p->link_cfg; + + if (epause->autoneg == AUTONEG_DISABLE) + lc->requested_fc = 0; + else if (lc->pcaps & FW_PORT_CAP32_ANEG) + lc->requested_fc = PAUSE_AUTONEG; + else + return -EINVAL; + + if (epause->rx_pause) + lc->requested_fc |= PAUSE_RX; + if (epause->tx_pause) + lc->requested_fc |= PAUSE_TX; + if (netif_running(dev)) + return t4_link_l1cfg(p->adapter, p->adapter->mbox, p->tx_chan, + lc); + return 0; +} + +static void get_sge_param(struct net_device *dev, struct ethtool_ringparam *e, + struct kernel_ethtool_ringparam *kernel_e, + struct netlink_ext_ack *extack) +{ + const struct port_info *pi = netdev_priv(dev); + const struct sge *s = &pi->adapter->sge; + + e->rx_max_pending = MAX_RX_BUFFERS; + e->rx_mini_max_pending = MAX_RSPQ_ENTRIES; + e->rx_jumbo_max_pending = 0; + e->tx_max_pending = MAX_TXQ_ENTRIES; + + e->rx_pending = s->ethrxq[pi->first_qset].fl.size - 8; + e->rx_mini_pending = s->ethrxq[pi->first_qset].rspq.size; + e->rx_jumbo_pending = 0; + e->tx_pending = s->ethtxq[pi->first_qset].q.size; +} + +static int set_sge_param(struct net_device *dev, struct ethtool_ringparam *e, + struct kernel_ethtool_ringparam *kernel_e, + struct netlink_ext_ack *extack) +{ + int i; + const struct port_info *pi = netdev_priv(dev); + struct adapter *adapter = pi->adapter; + struct sge *s = &adapter->sge; + + if (e->rx_pending > MAX_RX_BUFFERS || e->rx_jumbo_pending || + e->tx_pending > MAX_TXQ_ENTRIES || + e->rx_mini_pending > MAX_RSPQ_ENTRIES || + e->rx_mini_pending < MIN_RSPQ_ENTRIES || + e->rx_pending < MIN_FL_ENTRIES || e->tx_pending < MIN_TXQ_ENTRIES) + return -EINVAL; + + if (adapter->flags & CXGB4_FULL_INIT_DONE) + return -EBUSY; + + for (i = 0; i < pi->nqsets; ++i) { + s->ethtxq[pi->first_qset + i].q.size = e->tx_pending; + s->ethrxq[pi->first_qset + i].fl.size = e->rx_pending + 8; + s->ethrxq[pi->first_qset + i].rspq.size = e->rx_mini_pending; + } + return 0; +} + +/** + * set_rx_intr_params - set a net devices's RX interrupt holdoff paramete! + * @dev: the network device + * @us: the hold-off time in us, or 0 to disable timer + * @cnt: the hold-off packet count, or 0 to disable counter + * + * Set the RX interrupt hold-off parameters for a network device. + */ +static int set_rx_intr_params(struct net_device *dev, + unsigned int us, unsigned int cnt) +{ + int i, err; + struct port_info *pi = netdev_priv(dev); + struct adapter *adap = pi->adapter; + struct sge_eth_rxq *q = &adap->sge.ethrxq[pi->first_qset]; + + for (i = 0; i < pi->nqsets; i++, q++) { + err = cxgb4_set_rspq_intr_params(&q->rspq, us, cnt); + if (err) + return err; + } + return 0; +} + +static int set_adaptive_rx_setting(struct net_device *dev, int adaptive_rx) +{ + int i; + struct port_info *pi = netdev_priv(dev); + struct adapter *adap = pi->adapter; + struct sge_eth_rxq *q = &adap->sge.ethrxq[pi->first_qset]; + + for (i = 0; i < pi->nqsets; i++, q++) + q->rspq.adaptive_rx = adaptive_rx; + + return 0; +} + +static int get_adaptive_rx_setting(struct net_device *dev) +{ + struct port_info *pi = netdev_priv(dev); + struct adapter *adap = pi->adapter; + struct sge_eth_rxq *q = &adap->sge.ethrxq[pi->first_qset]; + + return q->rspq.adaptive_rx; +} + +/* Return the current global Adapter SGE Doorbell Queue Timer Tick for all + * Ethernet TX Queues. + */ +static int get_dbqtimer_tick(struct net_device *dev) +{ + struct port_info *pi = netdev_priv(dev); + struct adapter *adap = pi->adapter; + + if (!(adap->flags & CXGB4_SGE_DBQ_TIMER)) + return 0; + + return adap->sge.dbqtimer_tick; +} + +/* Return the SGE Doorbell Queue Timer Value for the Ethernet TX Queues + * associated with a Network Device. + */ +static int get_dbqtimer(struct net_device *dev) +{ + struct port_info *pi = netdev_priv(dev); + struct adapter *adap = pi->adapter; + struct sge_eth_txq *txq; + + txq = &adap->sge.ethtxq[pi->first_qset]; + + if (!(adap->flags & CXGB4_SGE_DBQ_TIMER)) + return 0; + + /* all of the TX Queues use the same Timer Index */ + return adap->sge.dbqtimer_val[txq->dbqtimerix]; +} + +/* Set the global Adapter SGE Doorbell Queue Timer Tick for all Ethernet TX + * Queues. This is the fundamental "Tick" that sets the scale of values which + * can be used. Individual Ethernet TX Queues index into a relatively small + * array of Tick Multipliers. Changing the base Tick will thus change all of + * the resulting Timer Values associated with those multipliers for all + * Ethernet TX Queues. + */ +static int set_dbqtimer_tick(struct net_device *dev, int usecs) +{ + struct port_info *pi = netdev_priv(dev); + struct adapter *adap = pi->adapter; + struct sge *s = &adap->sge; + u32 param, val; + int ret; + + if (!(adap->flags & CXGB4_SGE_DBQ_TIMER)) + return 0; + + /* return early if it's the same Timer Tick we're already using */ + if (s->dbqtimer_tick == usecs) + return 0; + + /* attempt to set the new Timer Tick value */ + param = (FW_PARAMS_MNEM_V(FW_PARAMS_MNEM_DEV) | + FW_PARAMS_PARAM_X_V(FW_PARAMS_PARAM_DEV_DBQ_TIMERTICK)); + val = usecs; + ret = t4_set_params(adap, adap->mbox, adap->pf, 0, 1, ¶m, &val); + if (ret) + return ret; + s->dbqtimer_tick = usecs; + + /* if successful, reread resulting dependent Timer values */ + ret = t4_read_sge_dbqtimers(adap, ARRAY_SIZE(s->dbqtimer_val), + s->dbqtimer_val); + return ret; +} + +/* Set the SGE Doorbell Queue Timer Value for the Ethernet TX Queues + * associated with a Network Device. There is a relatively small array of + * possible Timer Values so we need to pick the closest value available. + */ +static int set_dbqtimer(struct net_device *dev, int usecs) +{ + int qix, timerix, min_timerix, delta, min_delta; + struct port_info *pi = netdev_priv(dev); + struct adapter *adap = pi->adapter; + struct sge *s = &adap->sge; + struct sge_eth_txq *txq; + u32 param, val; + int ret; + + if (!(adap->flags & CXGB4_SGE_DBQ_TIMER)) + return 0; + + /* Find the SGE Doorbell Timer Value that's closest to the requested + * value. + */ + min_delta = INT_MAX; + min_timerix = 0; + for (timerix = 0; timerix < ARRAY_SIZE(s->dbqtimer_val); timerix++) { + delta = s->dbqtimer_val[timerix] - usecs; + if (delta < 0) + delta = -delta; + if (delta < min_delta) { + min_delta = delta; + min_timerix = timerix; + } + } + + /* Return early if it's the same Timer Index we're already using. + * We use the same Timer Index for all of the TX Queues for an + * interface so it's only necessary to check the first one. + */ + txq = &s->ethtxq[pi->first_qset]; + if (txq->dbqtimerix == min_timerix) + return 0; + + for (qix = 0; qix < pi->nqsets; qix++, txq++) { + if (adap->flags & CXGB4_FULL_INIT_DONE) { + param = + (FW_PARAMS_MNEM_V(FW_PARAMS_MNEM_DMAQ) | + FW_PARAMS_PARAM_X_V(FW_PARAMS_PARAM_DMAQ_EQ_TIMERIX) | + FW_PARAMS_PARAM_YZ_V(txq->q.cntxt_id)); + val = min_timerix; + ret = t4_set_params(adap, adap->mbox, adap->pf, 0, + 1, ¶m, &val); + if (ret) + return ret; + } + txq->dbqtimerix = min_timerix; + } + return 0; +} + +/* Set the global Adapter SGE Doorbell Queue Timer Tick for all Ethernet TX + * Queues and the Timer Value for the Ethernet TX Queues associated with a + * Network Device. Since changing the global Tick changes all of the + * available Timer Values, we need to do this first before selecting the + * resulting closest Timer Value. Moreover, since the Tick is global, + * changing it affects the Timer Values for all Network Devices on the + * adapter. So, before changing the Tick, we grab all of the current Timer + * Values for other Network Devices on this Adapter and then attempt to select + * new Timer Values which are close to the old values ... + */ +static int set_dbqtimer_tickval(struct net_device *dev, + int tick_usecs, int timer_usecs) +{ + struct port_info *pi = netdev_priv(dev); + struct adapter *adap = pi->adapter; + int timer[MAX_NPORTS]; + unsigned int port; + int ret; + + /* Grab the other adapter Network Interface current timers and fill in + * the new one for this Network Interface. + */ + for_each_port(adap, port) + if (port == pi->port_id) + timer[port] = timer_usecs; + else + timer[port] = get_dbqtimer(adap->port[port]); + + /* Change the global Tick first ... */ + ret = set_dbqtimer_tick(dev, tick_usecs); + if (ret) + return ret; + + /* ... and then set all of the Network Interface Timer Values ... */ + for_each_port(adap, port) { + ret = set_dbqtimer(adap->port[port], timer[port]); + if (ret) + return ret; + } + + return 0; +} + +static int set_coalesce(struct net_device *dev, + struct ethtool_coalesce *coalesce, + struct kernel_ethtool_coalesce *kernel_coal, + struct netlink_ext_ack *extack) +{ + int ret; + + set_adaptive_rx_setting(dev, coalesce->use_adaptive_rx_coalesce); + + ret = set_rx_intr_params(dev, coalesce->rx_coalesce_usecs, + coalesce->rx_max_coalesced_frames); + if (ret) + return ret; + + return set_dbqtimer_tickval(dev, + coalesce->tx_coalesce_usecs_irq, + coalesce->tx_coalesce_usecs); +} + +static int get_coalesce(struct net_device *dev, struct ethtool_coalesce *c, + struct kernel_ethtool_coalesce *kernel_coal, + struct netlink_ext_ack *extack) +{ + const struct port_info *pi = netdev_priv(dev); + const struct adapter *adap = pi->adapter; + const struct sge_rspq *rq = &adap->sge.ethrxq[pi->first_qset].rspq; + + c->rx_coalesce_usecs = qtimer_val(adap, rq); + c->rx_max_coalesced_frames = (rq->intr_params & QINTR_CNT_EN_F) ? + adap->sge.counter_val[rq->pktcnt_idx] : 0; + c->use_adaptive_rx_coalesce = get_adaptive_rx_setting(dev); + c->tx_coalesce_usecs_irq = get_dbqtimer_tick(dev); + c->tx_coalesce_usecs = get_dbqtimer(dev); + return 0; +} + +/* The next two routines implement eeprom read/write from physical addresses. + */ +static int eeprom_rd_phys(struct adapter *adap, unsigned int phys_addr, u32 *v) +{ + int vaddr = t4_eeprom_ptov(phys_addr, adap->pf, EEPROMPFSIZE); + + if (vaddr >= 0) + vaddr = pci_read_vpd(adap->pdev, vaddr, sizeof(u32), v); + return vaddr < 0 ? vaddr : 0; +} + +static int eeprom_wr_phys(struct adapter *adap, unsigned int phys_addr, u32 v) +{ + int vaddr = t4_eeprom_ptov(phys_addr, adap->pf, EEPROMPFSIZE); + + if (vaddr >= 0) + vaddr = pci_write_vpd(adap->pdev, vaddr, sizeof(u32), &v); + return vaddr < 0 ? vaddr : 0; +} + +#define EEPROM_MAGIC 0x38E2F10C + +static int get_eeprom(struct net_device *dev, struct ethtool_eeprom *e, + u8 *data) +{ + int i, err = 0; + struct adapter *adapter = netdev2adap(dev); + u8 *buf = kvzalloc(EEPROMSIZE, GFP_KERNEL); + + if (!buf) + return -ENOMEM; + + e->magic = EEPROM_MAGIC; + for (i = e->offset & ~3; !err && i < e->offset + e->len; i += 4) + err = eeprom_rd_phys(adapter, i, (u32 *)&buf[i]); + + if (!err) + memcpy(data, buf + e->offset, e->len); + kvfree(buf); + return err; +} + +static int set_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom, + u8 *data) +{ + u8 *buf; + int err = 0; + u32 aligned_offset, aligned_len, *p; + struct adapter *adapter = netdev2adap(dev); + + if (eeprom->magic != EEPROM_MAGIC) + return -EINVAL; + + aligned_offset = eeprom->offset & ~3; + aligned_len = (eeprom->len + (eeprom->offset & 3) + 3) & ~3; + + if (adapter->pf > 0) { + u32 start = 1024 + adapter->pf * EEPROMPFSIZE; + + if (aligned_offset < start || + aligned_offset + aligned_len > start + EEPROMPFSIZE) + return -EPERM; + } + + if (aligned_offset != eeprom->offset || aligned_len != eeprom->len) { + /* RMW possibly needed for first or last words. + */ + buf = kvzalloc(aligned_len, GFP_KERNEL); + if (!buf) + return -ENOMEM; + err = eeprom_rd_phys(adapter, aligned_offset, (u32 *)buf); + if (!err && aligned_len > 4) + err = eeprom_rd_phys(adapter, + aligned_offset + aligned_len - 4, + (u32 *)&buf[aligned_len - 4]); + if (err) + goto out; + memcpy(buf + (eeprom->offset & 3), data, eeprom->len); + } else { + buf = data; + } + + err = t4_seeprom_wp(adapter, false); + if (err) + goto out; + + for (p = (u32 *)buf; !err && aligned_len; aligned_len -= 4, p++) { + err = eeprom_wr_phys(adapter, aligned_offset, *p); + aligned_offset += 4; + } + + if (!err) + err = t4_seeprom_wp(adapter, true); +out: + if (buf != data) + kvfree(buf); + return err; +} + +static int cxgb4_ethtool_flash_bootcfg(struct net_device *netdev, + const u8 *data, u32 size) +{ + struct adapter *adap = netdev2adap(netdev); + int ret; + + ret = t4_load_bootcfg(adap, data, size); + if (ret) + dev_err(adap->pdev_dev, "Failed to load boot cfg image\n"); + + return ret; +} + +static int cxgb4_ethtool_flash_boot(struct net_device *netdev, + const u8 *bdata, u32 size) +{ + struct adapter *adap = netdev2adap(netdev); + unsigned int offset; + u8 *data; + int ret; + + data = kmemdup(bdata, size, GFP_KERNEL); + if (!data) + return -ENOMEM; + + offset = OFFSET_G(t4_read_reg(adap, PF_REG(0, PCIE_PF_EXPROM_OFST_A))); + + ret = t4_load_boot(adap, data, offset, size); + if (ret) + dev_err(adap->pdev_dev, "Failed to load boot image\n"); + + kfree(data); + return ret; +} + +#define CXGB4_PHY_SIG 0x130000ea + +static int cxgb4_validate_phy_image(const u8 *data, u32 *size) +{ + struct cxgb4_fw_data *header; + + header = (struct cxgb4_fw_data *)data; + if (be32_to_cpu(header->signature) != CXGB4_PHY_SIG) + return -EINVAL; + + return 0; +} + +static int cxgb4_ethtool_flash_phy(struct net_device *netdev, + const u8 *data, u32 size) +{ + struct adapter *adap = netdev2adap(netdev); + int ret; + + ret = cxgb4_validate_phy_image(data, NULL); + if (ret) { + dev_err(adap->pdev_dev, "PHY signature mismatch\n"); + return ret; + } + + /* We have to RESET the chip/firmware because we need the + * chip in uninitialized state for loading new PHY image. + * Otherwise, the running firmware will only store the PHY + * image in local RAM which will be lost after next reset. + */ + ret = t4_fw_reset(adap, adap->mbox, PIORSTMODE_F | PIORST_F); + if (ret < 0) { + dev_err(adap->pdev_dev, + "Set FW to RESET for flashing PHY FW failed. ret: %d\n", + ret); + return ret; + } + + ret = t4_load_phy_fw(adap, MEMWIN_NIC, NULL, data, size); + if (ret < 0) { + dev_err(adap->pdev_dev, "Failed to load PHY FW. ret: %d\n", + ret); + return ret; + } + + return 0; +} + +static int cxgb4_ethtool_flash_fw(struct net_device *netdev, + const u8 *data, u32 size) +{ + struct adapter *adap = netdev2adap(netdev); + unsigned int mbox = PCIE_FW_MASTER_M + 1; + int ret; + + /* If the adapter has been fully initialized then we'll go ahead and + * try to get the firmware's cooperation in upgrading to the new + * firmware image otherwise we'll try to do the entire job from the + * host ... and we always "force" the operation in this path. + */ + if (adap->flags & CXGB4_FULL_INIT_DONE) + mbox = adap->mbox; + + ret = t4_fw_upgrade(adap, mbox, data, size, 1); + if (ret) + dev_err(adap->pdev_dev, + "Failed to flash firmware\n"); + + return ret; +} + +static int cxgb4_ethtool_flash_region(struct net_device *netdev, + const u8 *data, u32 size, u32 region) +{ + struct adapter *adap = netdev2adap(netdev); + int ret; + + switch (region) { + case CXGB4_ETHTOOL_FLASH_FW: + ret = cxgb4_ethtool_flash_fw(netdev, data, size); + break; + case CXGB4_ETHTOOL_FLASH_PHY: + ret = cxgb4_ethtool_flash_phy(netdev, data, size); + break; + case CXGB4_ETHTOOL_FLASH_BOOT: + ret = cxgb4_ethtool_flash_boot(netdev, data, size); + break; + case CXGB4_ETHTOOL_FLASH_BOOTCFG: + ret = cxgb4_ethtool_flash_bootcfg(netdev, data, size); + break; + default: + ret = -EOPNOTSUPP; + break; + } + + if (!ret) + dev_info(adap->pdev_dev, + "loading %s successful, reload cxgb4 driver\n", + flash_region_strings[region]); + return ret; +} + +#define CXGB4_FW_SIG 0x4368656c +#define CXGB4_FW_SIG_OFFSET 0x160 + +static int cxgb4_validate_fw_image(const u8 *data, u32 *size) +{ + struct cxgb4_fw_data *header; + + header = (struct cxgb4_fw_data *)&data[CXGB4_FW_SIG_OFFSET]; + if (be32_to_cpu(header->signature) != CXGB4_FW_SIG) + return -EINVAL; + + if (size) + *size = be16_to_cpu(((struct fw_hdr *)data)->len512) * 512; + + return 0; +} + +static int cxgb4_validate_bootcfg_image(const u8 *data, u32 *size) +{ + struct cxgb4_bootcfg_data *header; + + header = (struct cxgb4_bootcfg_data *)data; + if (le16_to_cpu(header->signature) != BOOT_CFG_SIG) + return -EINVAL; + + return 0; +} + +static int cxgb4_validate_boot_image(const u8 *data, u32 *size) +{ + struct cxgb4_pci_exp_rom_header *exp_header; + struct cxgb4_pcir_data *pcir_header; + struct legacy_pci_rom_hdr *header; + const u8 *cur_header = data; + u16 pcir_offset; + + exp_header = (struct cxgb4_pci_exp_rom_header *)data; + + if (le16_to_cpu(exp_header->signature) != BOOT_SIGNATURE) + return -EINVAL; + + if (size) { + do { + header = (struct legacy_pci_rom_hdr *)cur_header; + pcir_offset = le16_to_cpu(header->pcir_offset); + pcir_header = (struct cxgb4_pcir_data *)(cur_header + + pcir_offset); + + *size += header->size512 * 512; + cur_header += header->size512 * 512; + } while (!(pcir_header->indicator & CXGB4_HDR_INDI)); + } + + return 0; +} + +static int cxgb4_ethtool_get_flash_region(const u8 *data, u32 *size) +{ + if (!cxgb4_validate_fw_image(data, size)) + return CXGB4_ETHTOOL_FLASH_FW; + if (!cxgb4_validate_boot_image(data, size)) + return CXGB4_ETHTOOL_FLASH_BOOT; + if (!cxgb4_validate_phy_image(data, size)) + return CXGB4_ETHTOOL_FLASH_PHY; + if (!cxgb4_validate_bootcfg_image(data, size)) + return CXGB4_ETHTOOL_FLASH_BOOTCFG; + + return -EOPNOTSUPP; +} + +static int set_flash(struct net_device *netdev, struct ethtool_flash *ef) +{ + struct adapter *adap = netdev2adap(netdev); + const struct firmware *fw; + unsigned int master; + u8 master_vld = 0; + const u8 *fw_data; + size_t fw_size; + u32 size = 0; + u32 pcie_fw; + int region; + int ret; + + pcie_fw = t4_read_reg(adap, PCIE_FW_A); + master = PCIE_FW_MASTER_G(pcie_fw); + if (pcie_fw & PCIE_FW_MASTER_VLD_F) + master_vld = 1; + /* if csiostor is the master return */ + if (master_vld && (master != adap->pf)) { + dev_warn(adap->pdev_dev, + "cxgb4 driver needs to be loaded as MASTER to support FW flash\n"); + return -EOPNOTSUPP; + } + + ef->data[sizeof(ef->data) - 1] = '\0'; + ret = request_firmware(&fw, ef->data, adap->pdev_dev); + if (ret < 0) + return ret; + + fw_data = fw->data; + fw_size = fw->size; + if (ef->region == ETHTOOL_FLASH_ALL_REGIONS) { + while (fw_size > 0) { + size = 0; + region = cxgb4_ethtool_get_flash_region(fw_data, &size); + if (region < 0 || !size) { + ret = region; + goto out_free_fw; + } + + ret = cxgb4_ethtool_flash_region(netdev, fw_data, size, + region); + if (ret) + goto out_free_fw; + + fw_data += size; + fw_size -= size; + } + } else { + ret = cxgb4_ethtool_flash_region(netdev, fw_data, fw_size, + ef->region); + } + +out_free_fw: + release_firmware(fw); + return ret; +} + +static int get_ts_info(struct net_device *dev, struct ethtool_ts_info *ts_info) +{ + struct port_info *pi = netdev_priv(dev); + struct adapter *adapter = pi->adapter; + + ts_info->so_timestamping = SOF_TIMESTAMPING_TX_SOFTWARE | + SOF_TIMESTAMPING_RX_SOFTWARE | + SOF_TIMESTAMPING_SOFTWARE; + + ts_info->so_timestamping |= SOF_TIMESTAMPING_RX_HARDWARE | + SOF_TIMESTAMPING_TX_HARDWARE | + SOF_TIMESTAMPING_RAW_HARDWARE; + + ts_info->tx_types = (1 << HWTSTAMP_TX_OFF) | + (1 << HWTSTAMP_TX_ON); + + ts_info->rx_filters = (1 << HWTSTAMP_FILTER_NONE) | + (1 << HWTSTAMP_FILTER_PTP_V2_L4_EVENT) | + (1 << HWTSTAMP_FILTER_PTP_V1_L4_SYNC) | + (1 << HWTSTAMP_FILTER_PTP_V1_L4_DELAY_REQ) | + (1 << HWTSTAMP_FILTER_PTP_V2_L4_SYNC) | + (1 << HWTSTAMP_FILTER_PTP_V2_L4_DELAY_REQ); + + if (adapter->ptp_clock) + ts_info->phc_index = ptp_clock_index(adapter->ptp_clock); + else + ts_info->phc_index = -1; + + return 0; +} + +static u32 get_rss_table_size(struct net_device *dev) +{ + const struct port_info *pi = netdev_priv(dev); + + return pi->rss_size; +} + +static int get_rss_table(struct net_device *dev, u32 *p, u8 *key, u8 *hfunc) +{ + const struct port_info *pi = netdev_priv(dev); + unsigned int n = pi->rss_size; + + if (hfunc) + *hfunc = ETH_RSS_HASH_TOP; + if (!p) + return 0; + while (n--) + p[n] = pi->rss[n]; + return 0; +} + +static int set_rss_table(struct net_device *dev, const u32 *p, const u8 *key, + const u8 hfunc) +{ + unsigned int i; + struct port_info *pi = netdev_priv(dev); + + /* We require at least one supported parameter to be changed and no + * change in any of the unsupported parameters + */ + if (key || + (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP)) + return -EOPNOTSUPP; + if (!p) + return 0; + + /* Interface must be brought up atleast once */ + if (pi->adapter->flags & CXGB4_FULL_INIT_DONE) { + for (i = 0; i < pi->rss_size; i++) + pi->rss[i] = p[i]; + + return cxgb4_write_rss(pi, pi->rss); + } + + return -EPERM; +} + +static struct filter_entry *cxgb4_get_filter_entry(struct adapter *adap, + u32 ftid) +{ + struct tid_info *t = &adap->tids; + + if (ftid >= t->hpftid_base && ftid < t->hpftid_base + t->nhpftids) + return &t->hpftid_tab[ftid - t->hpftid_base]; + + if (ftid >= t->ftid_base && ftid < t->ftid_base + t->nftids) + return &t->ftid_tab[ftid - t->ftid_base]; + + return lookup_tid(t, ftid); +} + +static void cxgb4_fill_filter_rule(struct ethtool_rx_flow_spec *fs, + struct ch_filter_specification *dfs) +{ + switch (dfs->val.proto) { + case IPPROTO_TCP: + if (dfs->type) + fs->flow_type = TCP_V6_FLOW; + else + fs->flow_type = TCP_V4_FLOW; + break; + case IPPROTO_UDP: + if (dfs->type) + fs->flow_type = UDP_V6_FLOW; + else + fs->flow_type = UDP_V4_FLOW; + break; + } + + if (dfs->type) { + fs->h_u.tcp_ip6_spec.psrc = cpu_to_be16(dfs->val.fport); + fs->m_u.tcp_ip6_spec.psrc = cpu_to_be16(dfs->mask.fport); + fs->h_u.tcp_ip6_spec.pdst = cpu_to_be16(dfs->val.lport); + fs->m_u.tcp_ip6_spec.pdst = cpu_to_be16(dfs->mask.lport); + memcpy(&fs->h_u.tcp_ip6_spec.ip6src, &dfs->val.fip[0], + sizeof(fs->h_u.tcp_ip6_spec.ip6src)); + memcpy(&fs->m_u.tcp_ip6_spec.ip6src, &dfs->mask.fip[0], + sizeof(fs->m_u.tcp_ip6_spec.ip6src)); + memcpy(&fs->h_u.tcp_ip6_spec.ip6dst, &dfs->val.lip[0], + sizeof(fs->h_u.tcp_ip6_spec.ip6dst)); + memcpy(&fs->m_u.tcp_ip6_spec.ip6dst, &dfs->mask.lip[0], + sizeof(fs->m_u.tcp_ip6_spec.ip6dst)); + fs->h_u.tcp_ip6_spec.tclass = dfs->val.tos; + fs->m_u.tcp_ip6_spec.tclass = dfs->mask.tos; + } else { + fs->h_u.tcp_ip4_spec.psrc = cpu_to_be16(dfs->val.fport); + fs->m_u.tcp_ip4_spec.psrc = cpu_to_be16(dfs->mask.fport); + fs->h_u.tcp_ip4_spec.pdst = cpu_to_be16(dfs->val.lport); + fs->m_u.tcp_ip4_spec.pdst = cpu_to_be16(dfs->mask.lport); + memcpy(&fs->h_u.tcp_ip4_spec.ip4src, &dfs->val.fip[0], + sizeof(fs->h_u.tcp_ip4_spec.ip4src)); + memcpy(&fs->m_u.tcp_ip4_spec.ip4src, &dfs->mask.fip[0], + sizeof(fs->m_u.tcp_ip4_spec.ip4src)); + memcpy(&fs->h_u.tcp_ip4_spec.ip4dst, &dfs->val.lip[0], + sizeof(fs->h_u.tcp_ip4_spec.ip4dst)); + memcpy(&fs->m_u.tcp_ip4_spec.ip4dst, &dfs->mask.lip[0], + sizeof(fs->m_u.tcp_ip4_spec.ip4dst)); + fs->h_u.tcp_ip4_spec.tos = dfs->val.tos; + fs->m_u.tcp_ip4_spec.tos = dfs->mask.tos; + } + fs->h_ext.vlan_tci = cpu_to_be16(dfs->val.ivlan); + fs->m_ext.vlan_tci = cpu_to_be16(dfs->mask.ivlan); + fs->flow_type |= FLOW_EXT; + + if (dfs->action == FILTER_DROP) + fs->ring_cookie = RX_CLS_FLOW_DISC; + else + fs->ring_cookie = dfs->iq; +} + +static int cxgb4_ntuple_get_filter(struct net_device *dev, + struct ethtool_rxnfc *cmd, + unsigned int loc) +{ + const struct port_info *pi = netdev_priv(dev); + struct adapter *adap = netdev2adap(dev); + struct filter_entry *f; + int ftid; + + if (!(adap->flags & CXGB4_FULL_INIT_DONE)) + return -EAGAIN; + + /* Check for maximum filter range */ + if (!adap->ethtool_filters) + return -EOPNOTSUPP; + + if (loc >= adap->ethtool_filters->nentries) + return -ERANGE; + + if (!test_bit(loc, adap->ethtool_filters->port[pi->port_id].bmap)) + return -ENOENT; + + ftid = adap->ethtool_filters->port[pi->port_id].loc_array[loc]; + + /* Fetch filter_entry */ + f = cxgb4_get_filter_entry(adap, ftid); + + cxgb4_fill_filter_rule(&cmd->fs, &f->fs); + + return 0; +} + +static int get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *info, + u32 *rules) +{ + const struct port_info *pi = netdev_priv(dev); + struct adapter *adap = netdev2adap(dev); + unsigned int count = 0, index = 0; + int ret = 0; + + switch (info->cmd) { + case ETHTOOL_GRXFH: { + unsigned int v = pi->rss_mode; + + info->data = 0; + switch (info->flow_type) { + case TCP_V4_FLOW: + if (v & FW_RSS_VI_CONFIG_CMD_IP4FOURTUPEN_F) + info->data = RXH_IP_SRC | RXH_IP_DST | + RXH_L4_B_0_1 | RXH_L4_B_2_3; + else if (v & FW_RSS_VI_CONFIG_CMD_IP4TWOTUPEN_F) + info->data = RXH_IP_SRC | RXH_IP_DST; + break; + case UDP_V4_FLOW: + if ((v & FW_RSS_VI_CONFIG_CMD_IP4FOURTUPEN_F) && + (v & FW_RSS_VI_CONFIG_CMD_UDPEN_F)) + info->data = RXH_IP_SRC | RXH_IP_DST | + RXH_L4_B_0_1 | RXH_L4_B_2_3; + else if (v & FW_RSS_VI_CONFIG_CMD_IP4TWOTUPEN_F) + info->data = RXH_IP_SRC | RXH_IP_DST; + break; + case SCTP_V4_FLOW: + case AH_ESP_V4_FLOW: + case IPV4_FLOW: + if (v & FW_RSS_VI_CONFIG_CMD_IP4TWOTUPEN_F) + info->data = RXH_IP_SRC | RXH_IP_DST; + break; + case TCP_V6_FLOW: + if (v & FW_RSS_VI_CONFIG_CMD_IP6FOURTUPEN_F) + info->data = RXH_IP_SRC | RXH_IP_DST | + RXH_L4_B_0_1 | RXH_L4_B_2_3; + else if (v & FW_RSS_VI_CONFIG_CMD_IP6TWOTUPEN_F) + info->data = RXH_IP_SRC | RXH_IP_DST; + break; + case UDP_V6_FLOW: + if ((v & FW_RSS_VI_CONFIG_CMD_IP6FOURTUPEN_F) && + (v & FW_RSS_VI_CONFIG_CMD_UDPEN_F)) + info->data = RXH_IP_SRC | RXH_IP_DST | + RXH_L4_B_0_1 | RXH_L4_B_2_3; + else if (v & FW_RSS_VI_CONFIG_CMD_IP6TWOTUPEN_F) + info->data = RXH_IP_SRC | RXH_IP_DST; + break; + case SCTP_V6_FLOW: + case AH_ESP_V6_FLOW: + case IPV6_FLOW: + if (v & FW_RSS_VI_CONFIG_CMD_IP6TWOTUPEN_F) + info->data = RXH_IP_SRC | RXH_IP_DST; + break; + } + return 0; + } + case ETHTOOL_GRXRINGS: + info->data = pi->nqsets; + return 0; + case ETHTOOL_GRXCLSRLCNT: + info->rule_cnt = + adap->ethtool_filters->port[pi->port_id].in_use; + return 0; + case ETHTOOL_GRXCLSRULE: + return cxgb4_ntuple_get_filter(dev, info, info->fs.location); + case ETHTOOL_GRXCLSRLALL: + info->data = adap->ethtool_filters->nentries; + while (count < info->rule_cnt) { + ret = cxgb4_ntuple_get_filter(dev, info, index); + if (!ret) + rules[count++] = index; + index++; + } + return 0; + } + + return -EOPNOTSUPP; +} + +static int cxgb4_ntuple_del_filter(struct net_device *dev, + struct ethtool_rxnfc *cmd) +{ + struct cxgb4_ethtool_filter_info *filter_info; + struct adapter *adapter = netdev2adap(dev); + struct port_info *pi = netdev_priv(dev); + struct filter_entry *f; + u32 filter_id; + int ret; + + if (!(adapter->flags & CXGB4_FULL_INIT_DONE)) + return -EAGAIN; /* can still change nfilters */ + + if (!adapter->ethtool_filters) + return -EOPNOTSUPP; + + if (cmd->fs.location >= adapter->ethtool_filters->nentries) { + dev_err(adapter->pdev_dev, + "Location must be < %u", + adapter->ethtool_filters->nentries); + return -ERANGE; + } + + filter_info = &adapter->ethtool_filters->port[pi->port_id]; + + if (!test_bit(cmd->fs.location, filter_info->bmap)) + return -ENOENT; + + filter_id = filter_info->loc_array[cmd->fs.location]; + f = cxgb4_get_filter_entry(adapter, filter_id); + + if (f->fs.prio) + filter_id -= adapter->tids.hpftid_base; + else if (!f->fs.hash) + filter_id -= (adapter->tids.ftid_base - adapter->tids.nhpftids); + + ret = cxgb4_flow_rule_destroy(dev, f->fs.tc_prio, &f->fs, filter_id); + if (ret) + goto err; + + clear_bit(cmd->fs.location, filter_info->bmap); + filter_info->in_use--; + +err: + return ret; +} + +/* Add Ethtool n-tuple filters. */ +static int cxgb4_ntuple_set_filter(struct net_device *netdev, + struct ethtool_rxnfc *cmd) +{ + struct ethtool_rx_flow_spec_input input = {}; + struct cxgb4_ethtool_filter_info *filter_info; + struct adapter *adapter = netdev2adap(netdev); + struct port_info *pi = netdev_priv(netdev); + struct ch_filter_specification fs; + struct ethtool_rx_flow_rule *flow; + u32 tid; + int ret; + + if (!(adapter->flags & CXGB4_FULL_INIT_DONE)) + return -EAGAIN; /* can still change nfilters */ + + if (!adapter->ethtool_filters) + return -EOPNOTSUPP; + + if (cmd->fs.location >= adapter->ethtool_filters->nentries) { + dev_err(adapter->pdev_dev, + "Location must be < %u", + adapter->ethtool_filters->nentries); + return -ERANGE; + } + + if (test_bit(cmd->fs.location, + adapter->ethtool_filters->port[pi->port_id].bmap)) + return -EEXIST; + + memset(&fs, 0, sizeof(fs)); + + input.fs = &cmd->fs; + flow = ethtool_rx_flow_rule_create(&input); + if (IS_ERR(flow)) { + ret = PTR_ERR(flow); + goto exit; + } + + fs.hitcnts = 1; + + ret = cxgb4_flow_rule_replace(netdev, flow->rule, cmd->fs.location, + NULL, &fs, &tid); + if (ret) + goto free; + + filter_info = &adapter->ethtool_filters->port[pi->port_id]; + + if (fs.prio) + tid += adapter->tids.hpftid_base; + else if (!fs.hash) + tid += (adapter->tids.ftid_base - adapter->tids.nhpftids); + + filter_info->loc_array[cmd->fs.location] = tid; + set_bit(cmd->fs.location, filter_info->bmap); + filter_info->in_use++; + +free: + ethtool_rx_flow_rule_destroy(flow); +exit: + return ret; +} + +static int set_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd) +{ + int ret = -EOPNOTSUPP; + + switch (cmd->cmd) { + case ETHTOOL_SRXCLSRLINS: + ret = cxgb4_ntuple_set_filter(dev, cmd); + break; + case ETHTOOL_SRXCLSRLDEL: + ret = cxgb4_ntuple_del_filter(dev, cmd); + break; + default: + break; + } + + return ret; +} + +static int set_dump(struct net_device *dev, struct ethtool_dump *eth_dump) +{ + struct adapter *adapter = netdev2adap(dev); + u32 len = 0; + + len = sizeof(struct cudbg_hdr) + + sizeof(struct cudbg_entity_hdr) * CUDBG_MAX_ENTITY; + len += cxgb4_get_dump_length(adapter, eth_dump->flag); + + adapter->eth_dump.flag = eth_dump->flag; + adapter->eth_dump.len = len; + return 0; +} + +static int get_dump_flag(struct net_device *dev, struct ethtool_dump *eth_dump) +{ + struct adapter *adapter = netdev2adap(dev); + + eth_dump->flag = adapter->eth_dump.flag; + eth_dump->len = adapter->eth_dump.len; + eth_dump->version = adapter->eth_dump.version; + return 0; +} + +static int get_dump_data(struct net_device *dev, struct ethtool_dump *eth_dump, + void *buf) +{ + struct adapter *adapter = netdev2adap(dev); + u32 len = 0; + int ret = 0; + + if (adapter->eth_dump.flag == CXGB4_ETH_DUMP_NONE) + return -ENOENT; + + len = sizeof(struct cudbg_hdr) + + sizeof(struct cudbg_entity_hdr) * CUDBG_MAX_ENTITY; + len += cxgb4_get_dump_length(adapter, adapter->eth_dump.flag); + if (eth_dump->len < len) + return -ENOMEM; + + ret = cxgb4_cudbg_collect(adapter, buf, &len, adapter->eth_dump.flag); + if (ret) + return ret; + + eth_dump->flag = adapter->eth_dump.flag; + eth_dump->len = len; + eth_dump->version = adapter->eth_dump.version; + return 0; +} + +static bool cxgb4_fw_mod_type_info_available(unsigned int fw_mod_type) +{ + /* Read port module EEPROM as long as it is plugged-in and + * safe to read. + */ + return (fw_mod_type != FW_PORT_MOD_TYPE_NONE && + fw_mod_type != FW_PORT_MOD_TYPE_ERROR); +} + +static int cxgb4_get_module_info(struct net_device *dev, + struct ethtool_modinfo *modinfo) +{ + struct port_info *pi = netdev_priv(dev); + u8 sff8472_comp, sff_diag_type, sff_rev; + struct adapter *adapter = pi->adapter; + int ret; + + if (!cxgb4_fw_mod_type_info_available(pi->mod_type)) + return -EINVAL; + + switch (pi->port_type) { + case FW_PORT_TYPE_SFP: + case FW_PORT_TYPE_QSA: + case FW_PORT_TYPE_SFP28: + ret = t4_i2c_rd(adapter, adapter->mbox, pi->tx_chan, + I2C_DEV_ADDR_A0, SFF_8472_COMP_ADDR, + SFF_8472_COMP_LEN, &sff8472_comp); + if (ret) + return ret; + ret = t4_i2c_rd(adapter, adapter->mbox, pi->tx_chan, + I2C_DEV_ADDR_A0, SFP_DIAG_TYPE_ADDR, + SFP_DIAG_TYPE_LEN, &sff_diag_type); + if (ret) + return ret; + + if (!sff8472_comp || (sff_diag_type & SFP_DIAG_ADDRMODE)) { + modinfo->type = ETH_MODULE_SFF_8079; + modinfo->eeprom_len = ETH_MODULE_SFF_8079_LEN; + } else { + modinfo->type = ETH_MODULE_SFF_8472; + if (sff_diag_type & SFP_DIAG_IMPLEMENTED) + modinfo->eeprom_len = ETH_MODULE_SFF_8472_LEN; + else + modinfo->eeprom_len = ETH_MODULE_SFF_8472_LEN / 2; + } + break; + + case FW_PORT_TYPE_QSFP: + case FW_PORT_TYPE_QSFP_10G: + case FW_PORT_TYPE_CR_QSFP: + case FW_PORT_TYPE_CR2_QSFP: + case FW_PORT_TYPE_CR4_QSFP: + ret = t4_i2c_rd(adapter, adapter->mbox, pi->tx_chan, + I2C_DEV_ADDR_A0, SFF_REV_ADDR, + SFF_REV_LEN, &sff_rev); + /* For QSFP type ports, revision value >= 3 + * means the SFP is 8636 compliant. + */ + if (ret) + return ret; + if (sff_rev >= 0x3) { + modinfo->type = ETH_MODULE_SFF_8636; + modinfo->eeprom_len = ETH_MODULE_SFF_8636_LEN; + } else { + modinfo->type = ETH_MODULE_SFF_8436; + modinfo->eeprom_len = ETH_MODULE_SFF_8436_LEN; + } + break; + + default: + return -EINVAL; + } + + return 0; +} + +static int cxgb4_get_module_eeprom(struct net_device *dev, + struct ethtool_eeprom *eprom, u8 *data) +{ + int ret = 0, offset = eprom->offset, len = eprom->len; + struct port_info *pi = netdev_priv(dev); + struct adapter *adapter = pi->adapter; + + memset(data, 0, eprom->len); + if (offset + len <= I2C_PAGE_SIZE) + return t4_i2c_rd(adapter, adapter->mbox, pi->tx_chan, + I2C_DEV_ADDR_A0, offset, len, data); + + /* offset + len spans 0xa0 and 0xa1 pages */ + if (offset <= I2C_PAGE_SIZE) { + /* read 0xa0 page */ + len = I2C_PAGE_SIZE - offset; + ret = t4_i2c_rd(adapter, adapter->mbox, pi->tx_chan, + I2C_DEV_ADDR_A0, offset, len, data); + if (ret) + return ret; + offset = I2C_PAGE_SIZE; + /* Remaining bytes to be read from second page = + * Total length - bytes read from first page + */ + len = eprom->len - len; + } + /* Read additional optical diagnostics from page 0xa2 if supported */ + return t4_i2c_rd(adapter, adapter->mbox, pi->tx_chan, I2C_DEV_ADDR_A2, + offset, len, &data[eprom->len - len]); +} + +static u32 cxgb4_get_priv_flags(struct net_device *netdev) +{ + struct port_info *pi = netdev_priv(netdev); + struct adapter *adapter = pi->adapter; + + return (adapter->eth_flags | pi->eth_flags); +} + +/** + * set_flags - set/unset specified flags if passed in new_flags + * @cur_flags: pointer to current flags + * @new_flags: new incoming flags + * @flags: set of flags to set/unset + */ +static inline void set_flags(u32 *cur_flags, u32 new_flags, u32 flags) +{ + *cur_flags = (*cur_flags & ~flags) | (new_flags & flags); +} + +static int cxgb4_set_priv_flags(struct net_device *netdev, u32 flags) +{ + struct port_info *pi = netdev_priv(netdev); + struct adapter *adapter = pi->adapter; + + set_flags(&adapter->eth_flags, flags, PRIV_FLAGS_ADAP); + set_flags(&pi->eth_flags, flags, PRIV_FLAGS_PORT); + + return 0; +} + +static void cxgb4_lb_test(struct net_device *netdev, u64 *lb_status) +{ + int dev_state = netif_running(netdev); + + if (dev_state) { + netif_tx_stop_all_queues(netdev); + netif_carrier_off(netdev); + } + + *lb_status = cxgb4_selftest_lb_pkt(netdev); + + if (dev_state) { + netif_tx_start_all_queues(netdev); + netif_carrier_on(netdev); + } +} + +static void cxgb4_self_test(struct net_device *netdev, + struct ethtool_test *eth_test, u64 *data) +{ + struct port_info *pi = netdev_priv(netdev); + struct adapter *adap = pi->adapter; + + memset(data, 0, sizeof(u64) * CXGB4_ETHTOOL_MAX_TEST); + + if (!(adap->flags & CXGB4_FULL_INIT_DONE) || + !(adap->flags & CXGB4_FW_OK)) { + eth_test->flags |= ETH_TEST_FL_FAILED; + return; + } + + if (eth_test->flags & ETH_TEST_FL_OFFLINE) + cxgb4_lb_test(netdev, &data[CXGB4_ETHTOOL_LB_TEST]); + + if (data[CXGB4_ETHTOOL_LB_TEST]) + eth_test->flags |= ETH_TEST_FL_FAILED; +} + +static const struct ethtool_ops cxgb_ethtool_ops = { + .supported_coalesce_params = ETHTOOL_COALESCE_USECS | + ETHTOOL_COALESCE_RX_MAX_FRAMES | + ETHTOOL_COALESCE_TX_USECS_IRQ | + ETHTOOL_COALESCE_USE_ADAPTIVE_RX, + .get_link_ksettings = get_link_ksettings, + .set_link_ksettings = set_link_ksettings, + .get_fecparam = get_fecparam, + .set_fecparam = set_fecparam, + .get_drvinfo = get_drvinfo, + .get_msglevel = get_msglevel, + .set_msglevel = set_msglevel, + .get_ringparam = get_sge_param, + .set_ringparam = set_sge_param, + .get_coalesce = get_coalesce, + .set_coalesce = set_coalesce, + .get_eeprom_len = get_eeprom_len, + .get_eeprom = get_eeprom, + .set_eeprom = set_eeprom, + .get_pauseparam = get_pauseparam, + .set_pauseparam = set_pauseparam, + .get_link = ethtool_op_get_link, + .get_strings = get_strings, + .set_phys_id = identify_port, + .nway_reset = restart_autoneg, + .get_sset_count = get_sset_count, + .get_ethtool_stats = get_stats, + .get_regs_len = get_regs_len, + .get_regs = get_regs, + .get_rxnfc = get_rxnfc, + .set_rxnfc = set_rxnfc, + .get_rxfh_indir_size = get_rss_table_size, + .get_rxfh = get_rss_table, + .set_rxfh = set_rss_table, + .self_test = cxgb4_self_test, + .flash_device = set_flash, + .get_ts_info = get_ts_info, + .set_dump = set_dump, + .get_dump_flag = get_dump_flag, + .get_dump_data = get_dump_data, + .get_module_info = cxgb4_get_module_info, + .get_module_eeprom = cxgb4_get_module_eeprom, + .get_priv_flags = cxgb4_get_priv_flags, + .set_priv_flags = cxgb4_set_priv_flags, +}; + +void cxgb4_cleanup_ethtool_filters(struct adapter *adap) +{ + struct cxgb4_ethtool_filter_info *eth_filter_info; + u8 i; + + if (!adap->ethtool_filters) + return; + + eth_filter_info = adap->ethtool_filters->port; + + if (eth_filter_info) { + for (i = 0; i < adap->params.nports; i++) { + kvfree(eth_filter_info[i].loc_array); + bitmap_free(eth_filter_info[i].bmap); + } + kfree(eth_filter_info); + } + + kfree(adap->ethtool_filters); +} + +int cxgb4_init_ethtool_filters(struct adapter *adap) +{ + struct cxgb4_ethtool_filter_info *eth_filter_info; + struct cxgb4_ethtool_filter *eth_filter; + struct tid_info *tids = &adap->tids; + u32 nentries, i; + int ret; + + eth_filter = kzalloc(sizeof(*eth_filter), GFP_KERNEL); + if (!eth_filter) + return -ENOMEM; + + eth_filter_info = kcalloc(adap->params.nports, + sizeof(*eth_filter_info), + GFP_KERNEL); + if (!eth_filter_info) { + ret = -ENOMEM; + goto free_eth_filter; + } + + eth_filter->port = eth_filter_info; + + nentries = tids->nhpftids + tids->nftids; + if (is_hashfilter(adap)) + nentries += tids->nhash + + (adap->tids.stid_base - adap->tids.tid_base); + eth_filter->nentries = nentries; + + for (i = 0; i < adap->params.nports; i++) { + eth_filter->port[i].loc_array = kvzalloc(nentries, GFP_KERNEL); + if (!eth_filter->port[i].loc_array) { + ret = -ENOMEM; + goto free_eth_finfo; + } + + eth_filter->port[i].bmap = bitmap_zalloc(nentries, GFP_KERNEL); + if (!eth_filter->port[i].bmap) { + ret = -ENOMEM; + goto free_eth_finfo; + } + } + + adap->ethtool_filters = eth_filter; + return 0; + +free_eth_finfo: + while (i-- > 0) { + bitmap_free(eth_filter->port[i].bmap); + kvfree(eth_filter->port[i].loc_array); + } + kfree(eth_filter_info); + +free_eth_filter: + kfree(eth_filter); + + return ret; +} + +void cxgb4_set_ethtool_ops(struct net_device *netdev) +{ + netdev->ethtool_ops = &cxgb_ethtool_ops; +} |