// SPDX-License-Identifier: GPL-2.0+ // Copyright (c) 2016-2017 Hisilicon Limited. #include #include #include #include "hns3_enet.h" struct hns3_stats { char stats_string[ETH_GSTRING_LEN]; int stats_offset; }; /* tqp related stats */ #define HNS3_TQP_STAT(_string, _member) { \ .stats_string = _string, \ .stats_offset = offsetof(struct hns3_enet_ring, stats) +\ offsetof(struct ring_stats, _member), \ } static const struct hns3_stats hns3_txq_stats[] = { /* Tx per-queue statistics */ HNS3_TQP_STAT("io_err_cnt", io_err_cnt), HNS3_TQP_STAT("dropped", sw_err_cnt), HNS3_TQP_STAT("seg_pkt_cnt", seg_pkt_cnt), HNS3_TQP_STAT("packets", tx_pkts), HNS3_TQP_STAT("bytes", tx_bytes), HNS3_TQP_STAT("errors", tx_err_cnt), HNS3_TQP_STAT("wake", restart_queue), HNS3_TQP_STAT("busy", tx_busy), }; #define HNS3_TXQ_STATS_COUNT ARRAY_SIZE(hns3_txq_stats) static const struct hns3_stats hns3_rxq_stats[] = { /* Rx per-queue statistics */ HNS3_TQP_STAT("io_err_cnt", io_err_cnt), HNS3_TQP_STAT("dropped", sw_err_cnt), HNS3_TQP_STAT("seg_pkt_cnt", seg_pkt_cnt), HNS3_TQP_STAT("packets", rx_pkts), HNS3_TQP_STAT("bytes", rx_bytes), HNS3_TQP_STAT("errors", rx_err_cnt), HNS3_TQP_STAT("reuse_pg_cnt", reuse_pg_cnt), HNS3_TQP_STAT("err_pkt_len", err_pkt_len), HNS3_TQP_STAT("non_vld_descs", non_vld_descs), HNS3_TQP_STAT("err_bd_num", err_bd_num), HNS3_TQP_STAT("l2_err", l2_err), HNS3_TQP_STAT("l3l4_csum_err", l3l4_csum_err), HNS3_TQP_STAT("multicast", rx_multicast), }; #define HNS3_RXQ_STATS_COUNT ARRAY_SIZE(hns3_rxq_stats) #define HNS3_TQP_STATS_COUNT (HNS3_TXQ_STATS_COUNT + HNS3_RXQ_STATS_COUNT) #define HNS3_SELF_TEST_TYPE_NUM 3 #define HNS3_NIC_LB_TEST_PKT_NUM 1 #define HNS3_NIC_LB_TEST_RING_ID 0 #define HNS3_NIC_LB_TEST_PACKET_SIZE 128 /* Nic loopback test err */ #define HNS3_NIC_LB_TEST_NO_MEM_ERR 1 #define HNS3_NIC_LB_TEST_TX_CNT_ERR 2 #define HNS3_NIC_LB_TEST_RX_CNT_ERR 3 struct hns3_link_mode_mapping { u32 hns3_link_mode; u32 ethtool_link_mode; }; static int hns3_lp_setup(struct net_device *ndev, enum hnae3_loop loop, bool en) { struct hnae3_handle *h = hns3_get_handle(ndev); bool vlan_filter_enable; int ret; if (!h->ae_algo->ops->set_loopback || !h->ae_algo->ops->set_promisc_mode) return -EOPNOTSUPP; switch (loop) { case HNAE3_LOOP_SERIAL_SERDES: case HNAE3_LOOP_PARALLEL_SERDES: case HNAE3_LOOP_APP: ret = h->ae_algo->ops->set_loopback(h, loop, en); break; default: ret = -ENOTSUPP; break; } if (ret) return ret; if (en) { h->ae_algo->ops->set_promisc_mode(h, true, true); } else { /* recover promisc mode before loopback test */ hns3_update_promisc_mode(ndev, h->netdev_flags); vlan_filter_enable = ndev->flags & IFF_PROMISC ? false : true; hns3_enable_vlan_filter(ndev, vlan_filter_enable); } return ret; } static int hns3_lp_up(struct net_device *ndev, enum hnae3_loop loop_mode) { struct hnae3_handle *h = hns3_get_handle(ndev); int ret; ret = hns3_nic_reset_all_ring(h); if (ret) return ret; ret = hns3_lp_setup(ndev, loop_mode, true); usleep_range(10000, 20000); return ret; } static int hns3_lp_down(struct net_device *ndev, enum hnae3_loop loop_mode) { int ret; ret = hns3_lp_setup(ndev, loop_mode, false); if (ret) { netdev_err(ndev, "lb_setup return error: %d\n", ret); return ret; } usleep_range(10000, 20000); return 0; } static void hns3_lp_setup_skb(struct sk_buff *skb) { struct net_device *ndev = skb->dev; unsigned char *packet; struct ethhdr *ethh; unsigned int i; skb_reserve(skb, NET_IP_ALIGN); ethh = skb_put(skb, sizeof(struct ethhdr)); packet = skb_put(skb, HNS3_NIC_LB_TEST_PACKET_SIZE); memcpy(ethh->h_dest, ndev->dev_addr, ETH_ALEN); ethh->h_dest[5] += 0x1f; eth_zero_addr(ethh->h_source); ethh->h_proto = htons(ETH_P_ARP); skb_reset_mac_header(skb); for (i = 0; i < HNS3_NIC_LB_TEST_PACKET_SIZE; i++) packet[i] = (unsigned char)(i & 0xff); } static void hns3_lb_check_skb_data(struct hns3_enet_ring *ring, struct sk_buff *skb) { struct hns3_enet_tqp_vector *tqp_vector = ring->tqp_vector; unsigned char *packet = skb->data; u32 i; for (i = 0; i < skb->len; i++) if (packet[i] != (unsigned char)(i & 0xff)) break; /* The packet is correctly received */ if (i == skb->len) tqp_vector->rx_group.total_packets++; else print_hex_dump(KERN_ERR, "selftest:", DUMP_PREFIX_OFFSET, 16, 1, skb->data, skb->len, true); dev_kfree_skb_any(skb); } static u32 hns3_lb_check_rx_ring(struct hns3_nic_priv *priv, u32 budget) { struct hnae3_handle *h = priv->ae_handle; struct hnae3_knic_private_info *kinfo; u32 i, rcv_good_pkt_total = 0; kinfo = &h->kinfo; for (i = kinfo->num_tqps; i < kinfo->num_tqps * 2; i++) { struct hns3_enet_ring *ring = priv->ring_data[i].ring; struct hns3_enet_ring_group *rx_group; u64 pre_rx_pkt; rx_group = &ring->tqp_vector->rx_group; pre_rx_pkt = rx_group->total_packets; preempt_disable(); hns3_clean_rx_ring(ring, budget, hns3_lb_check_skb_data); preempt_enable(); rcv_good_pkt_total += (rx_group->total_packets - pre_rx_pkt); rx_group->total_packets = pre_rx_pkt; } return rcv_good_pkt_total; } static void hns3_lb_clear_tx_ring(struct hns3_nic_priv *priv, u32 start_ringid, u32 end_ringid, u32 budget) { u32 i; for (i = start_ringid; i <= end_ringid; i++) { struct hns3_enet_ring *ring = priv->ring_data[i].ring; hns3_clean_tx_ring(ring); } } /** * hns3_lp_run_test - run loopback test * @ndev: net device * @mode: loopback type */ static int hns3_lp_run_test(struct net_device *ndev, enum hnae3_loop mode) { struct hns3_nic_priv *priv = netdev_priv(ndev); struct sk_buff *skb; u32 i, good_cnt; int ret_val = 0; skb = alloc_skb(HNS3_NIC_LB_TEST_PACKET_SIZE + ETH_HLEN + NET_IP_ALIGN, GFP_KERNEL); if (!skb) return HNS3_NIC_LB_TEST_NO_MEM_ERR; skb->dev = ndev; hns3_lp_setup_skb(skb); skb->queue_mapping = HNS3_NIC_LB_TEST_RING_ID; good_cnt = 0; for (i = 0; i < HNS3_NIC_LB_TEST_PKT_NUM; i++) { netdev_tx_t tx_ret; skb_get(skb); tx_ret = hns3_nic_net_xmit(skb, ndev); if (tx_ret == NETDEV_TX_OK) good_cnt++; else netdev_err(ndev, "hns3_lb_run_test xmit failed: %d\n", tx_ret); } if (good_cnt != HNS3_NIC_LB_TEST_PKT_NUM) { ret_val = HNS3_NIC_LB_TEST_TX_CNT_ERR; netdev_err(ndev, "mode %d sent fail, cnt=0x%x, budget=0x%x\n", mode, good_cnt, HNS3_NIC_LB_TEST_PKT_NUM); goto out; } /* Allow 200 milliseconds for packets to go from Tx to Rx */ msleep(200); good_cnt = hns3_lb_check_rx_ring(priv, HNS3_NIC_LB_TEST_PKT_NUM); if (good_cnt != HNS3_NIC_LB_TEST_PKT_NUM) { ret_val = HNS3_NIC_LB_TEST_RX_CNT_ERR; netdev_err(ndev, "mode %d recv fail, cnt=0x%x, budget=0x%x\n", mode, good_cnt, HNS3_NIC_LB_TEST_PKT_NUM); } out: hns3_lb_clear_tx_ring(priv, HNS3_NIC_LB_TEST_RING_ID, HNS3_NIC_LB_TEST_RING_ID, HNS3_NIC_LB_TEST_PKT_NUM); kfree_skb(skb); return ret_val; } /** * hns3_nic_self_test - self test * @ndev: net device * @eth_test: test cmd * @data: test result */ static void hns3_self_test(struct net_device *ndev, struct ethtool_test *eth_test, u64 *data) { struct hns3_nic_priv *priv = netdev_priv(ndev); struct hnae3_handle *h = priv->ae_handle; int st_param[HNS3_SELF_TEST_TYPE_NUM][2]; bool if_running = netif_running(ndev); #if IS_ENABLED(CONFIG_VLAN_8021Q) bool dis_vlan_filter; #endif int test_index = 0; u32 i; if (hns3_nic_resetting(ndev)) { netdev_err(ndev, "dev resetting!"); return; } /* Only do offline selftest, or pass by default */ if (eth_test->flags != ETH_TEST_FL_OFFLINE) return; st_param[HNAE3_LOOP_APP][0] = HNAE3_LOOP_APP; st_param[HNAE3_LOOP_APP][1] = h->flags & HNAE3_SUPPORT_APP_LOOPBACK; st_param[HNAE3_LOOP_SERIAL_SERDES][0] = HNAE3_LOOP_SERIAL_SERDES; st_param[HNAE3_LOOP_SERIAL_SERDES][1] = h->flags & HNAE3_SUPPORT_SERDES_SERIAL_LOOPBACK; st_param[HNAE3_LOOP_PARALLEL_SERDES][0] = HNAE3_LOOP_PARALLEL_SERDES; st_param[HNAE3_LOOP_PARALLEL_SERDES][1] = h->flags & HNAE3_SUPPORT_SERDES_PARALLEL_LOOPBACK; if (if_running) ndev->netdev_ops->ndo_stop(ndev); #if IS_ENABLED(CONFIG_VLAN_8021Q) /* Disable the vlan filter for selftest does not support it */ dis_vlan_filter = (ndev->features & NETIF_F_HW_VLAN_CTAG_FILTER) && h->ae_algo->ops->enable_vlan_filter; if (dis_vlan_filter) h->ae_algo->ops->enable_vlan_filter(h, false); #endif set_bit(HNS3_NIC_STATE_TESTING, &priv->state); for (i = 0; i < HNS3_SELF_TEST_TYPE_NUM; i++) { enum hnae3_loop loop_type = (enum hnae3_loop)st_param[i][0]; if (!st_param[i][1]) continue; data[test_index] = hns3_lp_up(ndev, loop_type); if (!data[test_index]) data[test_index] = hns3_lp_run_test(ndev, loop_type); hns3_lp_down(ndev, loop_type); if (data[test_index]) eth_test->flags |= ETH_TEST_FL_FAILED; test_index++; } clear_bit(HNS3_NIC_STATE_TESTING, &priv->state); #if IS_ENABLED(CONFIG_VLAN_8021Q) if (dis_vlan_filter) h->ae_algo->ops->enable_vlan_filter(h, true); #endif if (if_running) ndev->netdev_ops->ndo_open(ndev); } static int hns3_get_sset_count(struct net_device *netdev, int stringset) { struct hnae3_handle *h = hns3_get_handle(netdev); const struct hnae3_ae_ops *ops = h->ae_algo->ops; if (!ops->get_sset_count) return -EOPNOTSUPP; switch (stringset) { case ETH_SS_STATS: return ((HNS3_TQP_STATS_COUNT * h->kinfo.num_tqps) + ops->get_sset_count(h, stringset)); case ETH_SS_TEST: return ops->get_sset_count(h, stringset); default: return -EOPNOTSUPP; } } static void *hns3_update_strings(u8 *data, const struct hns3_stats *stats, u32 stat_count, u32 num_tqps, const char *prefix) { #define MAX_PREFIX_SIZE (6 + 4) u32 size_left; u32 i, j; u32 n1; for (i = 0; i < num_tqps; i++) { for (j = 0; j < stat_count; j++) { data[ETH_GSTRING_LEN - 1] = '\0'; /* first, prepend the prefix string */ n1 = snprintf(data, MAX_PREFIX_SIZE, "%s%d_", prefix, i); n1 = min_t(uint, n1, MAX_PREFIX_SIZE - 1); size_left = (ETH_GSTRING_LEN - 1) - n1; /* now, concatenate the stats string to it */ strncat(data, stats[j].stats_string, size_left); data += ETH_GSTRING_LEN; } } return data; } static u8 *hns3_get_strings_tqps(struct hnae3_handle *handle, u8 *data) { struct hnae3_knic_private_info *kinfo = &handle->kinfo; const char tx_prefix[] = "txq"; const char rx_prefix[] = "rxq"; /* get strings for Tx */ data = hns3_update_strings(data, hns3_txq_stats, HNS3_TXQ_STATS_COUNT, kinfo->num_tqps, tx_prefix); /* get strings for Rx */ data = hns3_update_strings(data, hns3_rxq_stats, HNS3_RXQ_STATS_COUNT, kinfo->num_tqps, rx_prefix); return data; } static void hns3_get_strings(struct net_device *netdev, u32 stringset, u8 *data) { struct hnae3_handle *h = hns3_get_handle(netdev); const struct hnae3_ae_ops *ops = h->ae_algo->ops; char *buff = (char *)data; if (!ops->get_strings) return; switch (stringset) { case ETH_SS_STATS: buff = hns3_get_strings_tqps(h, buff); h->ae_algo->ops->get_strings(h, stringset, (u8 *)buff); break; case ETH_SS_TEST: ops->get_strings(h, stringset, data); break; default: break; } } static u64 *hns3_get_stats_tqps(struct hnae3_handle *handle, u64 *data) { struct hns3_nic_priv *nic_priv = (struct hns3_nic_priv *)handle->priv; struct hnae3_knic_private_info *kinfo = &handle->kinfo; struct hns3_enet_ring *ring; u8 *stat; int i, j; /* get stats for Tx */ for (i = 0; i < kinfo->num_tqps; i++) { ring = nic_priv->ring_data[i].ring; for (j = 0; j < HNS3_TXQ_STATS_COUNT; j++) { stat = (u8 *)ring + hns3_txq_stats[j].stats_offset; *data++ = *(u64 *)stat; } } /* get stats for Rx */ for (i = 0; i < kinfo->num_tqps; i++) { ring = nic_priv->ring_data[i + kinfo->num_tqps].ring; for (j = 0; j < HNS3_RXQ_STATS_COUNT; j++) { stat = (u8 *)ring + hns3_rxq_stats[j].stats_offset; *data++ = *(u64 *)stat; } } return data; } /* hns3_get_stats - get detail statistics. * @netdev: net device * @stats: statistics info. * @data: statistics data. */ static void hns3_get_stats(struct net_device *netdev, struct ethtool_stats *stats, u64 *data) { struct hnae3_handle *h = hns3_get_handle(netdev); u64 *p = data; if (hns3_nic_resetting(netdev)) { netdev_err(netdev, "dev resetting, could not get stats\n"); return; } if (!h->ae_algo->ops->get_stats || !h->ae_algo->ops->update_stats) { netdev_err(netdev, "could not get any statistics\n"); return; } h->ae_algo->ops->update_stats(h, &netdev->stats); /* get per-queue stats */ p = hns3_get_stats_tqps(h, p); /* get MAC & other misc hardware stats */ h->ae_algo->ops->get_stats(h, p); } static void hns3_get_drvinfo(struct net_device *netdev, struct ethtool_drvinfo *drvinfo) { struct hns3_nic_priv *priv = netdev_priv(netdev); struct hnae3_handle *h = priv->ae_handle; strncpy(drvinfo->version, hns3_driver_version, sizeof(drvinfo->version)); drvinfo->version[sizeof(drvinfo->version) - 1] = '\0'; strncpy(drvinfo->driver, h->pdev->driver->name, sizeof(drvinfo->driver)); drvinfo->driver[sizeof(drvinfo->driver) - 1] = '\0'; strncpy(drvinfo->bus_info, pci_name(h->pdev), sizeof(drvinfo->bus_info)); drvinfo->bus_info[ETHTOOL_BUSINFO_LEN - 1] = '\0'; snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version), "0x%08x", priv->ae_handle->ae_algo->ops->get_fw_version(h)); } static u32 hns3_get_link(struct net_device *netdev) { struct hnae3_handle *h = hns3_get_handle(netdev); if (h->ae_algo && h->ae_algo->ops && h->ae_algo->ops->get_status) return h->ae_algo->ops->get_status(h); else return 0; } static void hns3_get_ringparam(struct net_device *netdev, struct ethtool_ringparam *param) { struct hns3_nic_priv *priv = netdev_priv(netdev); struct hnae3_handle *h = priv->ae_handle; int queue_num = h->kinfo.num_tqps; if (hns3_nic_resetting(netdev)) { netdev_err(netdev, "dev resetting!"); return; } param->tx_max_pending = HNS3_RING_MAX_PENDING; param->rx_max_pending = HNS3_RING_MAX_PENDING; param->tx_pending = priv->ring_data[0].ring->desc_num; param->rx_pending = priv->ring_data[queue_num].ring->desc_num; } static void hns3_get_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *param) { struct hnae3_handle *h = hns3_get_handle(netdev); if (h->ae_algo && h->ae_algo->ops && h->ae_algo->ops->get_pauseparam) h->ae_algo->ops->get_pauseparam(h, ¶m->autoneg, ¶m->rx_pause, ¶m->tx_pause); } static int hns3_set_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *param) { struct hnae3_handle *h = hns3_get_handle(netdev); if (h->ae_algo->ops->set_pauseparam) return h->ae_algo->ops->set_pauseparam(h, param->autoneg, param->rx_pause, param->tx_pause); return -EOPNOTSUPP; } static void hns3_get_ksettings(struct hnae3_handle *h, struct ethtool_link_ksettings *cmd) { const struct hnae3_ae_ops *ops = h->ae_algo->ops; /* 1.auto_neg & speed & duplex from cmd */ if (ops->get_ksettings_an_result) ops->get_ksettings_an_result(h, &cmd->base.autoneg, &cmd->base.speed, &cmd->base.duplex); /* 2.get link mode*/ if (ops->get_link_mode) ops->get_link_mode(h, cmd->link_modes.supported, cmd->link_modes.advertising); /* 3.mdix_ctrl&mdix get from phy reg */ if (ops->get_mdix_mode) ops->get_mdix_mode(h, &cmd->base.eth_tp_mdix_ctrl, &cmd->base.eth_tp_mdix); } static int hns3_get_link_ksettings(struct net_device *netdev, struct ethtool_link_ksettings *cmd) { struct hnae3_handle *h = hns3_get_handle(netdev); const struct hnae3_ae_ops *ops; u8 media_type; u8 link_stat; if (!h->ae_algo || !h->ae_algo->ops) return -EOPNOTSUPP; ops = h->ae_algo->ops; if (ops->get_media_type) ops->get_media_type(h, &media_type); else return -EOPNOTSUPP; switch (media_type) { case HNAE3_MEDIA_TYPE_NONE: cmd->base.port = PORT_NONE; hns3_get_ksettings(h, cmd); break; case HNAE3_MEDIA_TYPE_FIBER: cmd->base.port = PORT_FIBRE; hns3_get_ksettings(h, cmd); break; case HNAE3_MEDIA_TYPE_COPPER: cmd->base.port = PORT_TP; if (!netdev->phydev) hns3_get_ksettings(h, cmd); else phy_ethtool_ksettings_get(netdev->phydev, cmd); break; default: netdev_warn(netdev, "Unknown media type"); return 0; } /* mdio_support */ cmd->base.mdio_support = ETH_MDIO_SUPPORTS_C22; link_stat = hns3_get_link(netdev); if (!link_stat) { cmd->base.speed = SPEED_UNKNOWN; cmd->base.duplex = DUPLEX_UNKNOWN; } return 0; } static int hns3_set_link_ksettings(struct net_device *netdev, const struct ethtool_link_ksettings *cmd) { /* Chip doesn't support this mode. */ if (cmd->base.speed == SPEED_1000 && cmd->base.duplex == DUPLEX_HALF) return -EINVAL; /* Only support ksettings_set for netdev with phy attached for now */ if (netdev->phydev) return phy_ethtool_ksettings_set(netdev->phydev, cmd); return -EOPNOTSUPP; } static u32 hns3_get_rss_key_size(struct net_device *netdev) { struct hnae3_handle *h = hns3_get_handle(netdev); if (!h->ae_algo || !h->ae_algo->ops || !h->ae_algo->ops->get_rss_key_size) return 0; return h->ae_algo->ops->get_rss_key_size(h); } static u32 hns3_get_rss_indir_size(struct net_device *netdev) { struct hnae3_handle *h = hns3_get_handle(netdev); if (!h->ae_algo || !h->ae_algo->ops || !h->ae_algo->ops->get_rss_indir_size) return 0; return h->ae_algo->ops->get_rss_indir_size(h); } static int hns3_get_rss(struct net_device *netdev, u32 *indir, u8 *key, u8 *hfunc) { struct hnae3_handle *h = hns3_get_handle(netdev); if (!h->ae_algo || !h->ae_algo->ops || !h->ae_algo->ops->get_rss) return -EOPNOTSUPP; return h->ae_algo->ops->get_rss(h, indir, key, hfunc); } static int hns3_set_rss(struct net_device *netdev, const u32 *indir, const u8 *key, const u8 hfunc) { struct hnae3_handle *h = hns3_get_handle(netdev); if (!h->ae_algo || !h->ae_algo->ops || !h->ae_algo->ops->set_rss) return -EOPNOTSUPP; if ((h->pdev->revision == 0x20 && hfunc != ETH_RSS_HASH_TOP) || (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP && hfunc != ETH_RSS_HASH_XOR)) { netdev_err(netdev, "hash func not supported\n"); return -EOPNOTSUPP; } if (!indir) { netdev_err(netdev, "set rss failed for indir is empty\n"); return -EOPNOTSUPP; } return h->ae_algo->ops->set_rss(h, indir, key, hfunc); } static int hns3_get_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd, u32 *rule_locs) { struct hnae3_handle *h = hns3_get_handle(netdev); if (!h->ae_algo || !h->ae_algo->ops) return -EOPNOTSUPP; switch (cmd->cmd) { case ETHTOOL_GRXRINGS: cmd->data = h->kinfo.num_tqps; return 0; case ETHTOOL_GRXFH: if (h->ae_algo->ops->get_rss_tuple) return h->ae_algo->ops->get_rss_tuple(h, cmd); return -EOPNOTSUPP; case ETHTOOL_GRXCLSRLCNT: if (h->ae_algo->ops->get_fd_rule_cnt) return h->ae_algo->ops->get_fd_rule_cnt(h, cmd); return -EOPNOTSUPP; case ETHTOOL_GRXCLSRULE: if (h->ae_algo->ops->get_fd_rule_info) return h->ae_algo->ops->get_fd_rule_info(h, cmd); return -EOPNOTSUPP; case ETHTOOL_GRXCLSRLALL: if (h->ae_algo->ops->get_fd_all_rules) return h->ae_algo->ops->get_fd_all_rules(h, cmd, rule_locs); return -EOPNOTSUPP; default: return -EOPNOTSUPP; } } static int hns3_change_all_ring_bd_num(struct hns3_nic_priv *priv, u32 tx_desc_num, u32 rx_desc_num) { struct hnae3_handle *h = priv->ae_handle; int i; h->kinfo.num_tx_desc = tx_desc_num; h->kinfo.num_rx_desc = rx_desc_num; for (i = 0; i < h->kinfo.num_tqps; i++) { priv->ring_data[i].ring->desc_num = tx_desc_num; priv->ring_data[i + h->kinfo.num_tqps].ring->desc_num = rx_desc_num; } return hns3_init_all_ring(priv); } static int hns3_set_ringparam(struct net_device *ndev, struct ethtool_ringparam *param) { struct hns3_nic_priv *priv = netdev_priv(ndev); struct hnae3_handle *h = priv->ae_handle; bool if_running = netif_running(ndev); u32 old_tx_desc_num, new_tx_desc_num; u32 old_rx_desc_num, new_rx_desc_num; int queue_num = h->kinfo.num_tqps; int ret; if (hns3_nic_resetting(ndev)) return -EBUSY; if (param->rx_mini_pending || param->rx_jumbo_pending) return -EINVAL; if (param->tx_pending > HNS3_RING_MAX_PENDING || param->tx_pending < HNS3_RING_MIN_PENDING || param->rx_pending > HNS3_RING_MAX_PENDING || param->rx_pending < HNS3_RING_MIN_PENDING) { netdev_err(ndev, "Queue depth out of range [%d-%d]\n", HNS3_RING_MIN_PENDING, HNS3_RING_MAX_PENDING); return -EINVAL; } /* Hardware requires that its descriptors must be multiple of eight */ new_tx_desc_num = ALIGN(param->tx_pending, HNS3_RING_BD_MULTIPLE); new_rx_desc_num = ALIGN(param->rx_pending, HNS3_RING_BD_MULTIPLE); old_tx_desc_num = priv->ring_data[0].ring->desc_num; old_rx_desc_num = priv->ring_data[queue_num].ring->desc_num; if (old_tx_desc_num == new_tx_desc_num && old_rx_desc_num == new_rx_desc_num) return 0; netdev_info(ndev, "Changing Tx/Rx ring depth from %d/%d to %d/%d\n", old_tx_desc_num, old_rx_desc_num, new_tx_desc_num, new_rx_desc_num); if (if_running) ndev->netdev_ops->ndo_stop(ndev); ret = hns3_uninit_all_ring(priv); if (ret) return ret; ret = hns3_change_all_ring_bd_num(priv, new_tx_desc_num, new_rx_desc_num); if (ret) { ret = hns3_change_all_ring_bd_num(priv, old_tx_desc_num, old_rx_desc_num); if (ret) { netdev_err(ndev, "Revert to old bd num fail, ret=%d.\n", ret); return ret; } } if (if_running) ret = ndev->netdev_ops->ndo_open(ndev); return ret; } static int hns3_set_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd) { struct hnae3_handle *h = hns3_get_handle(netdev); if (!h->ae_algo || !h->ae_algo->ops) return -EOPNOTSUPP; switch (cmd->cmd) { case ETHTOOL_SRXFH: if (h->ae_algo->ops->set_rss_tuple) return h->ae_algo->ops->set_rss_tuple(h, cmd); return -EOPNOTSUPP; case ETHTOOL_SRXCLSRLINS: if (h->ae_algo->ops->add_fd_entry) return h->ae_algo->ops->add_fd_entry(h, cmd); return -EOPNOTSUPP; case ETHTOOL_SRXCLSRLDEL: if (h->ae_algo->ops->del_fd_entry) return h->ae_algo->ops->del_fd_entry(h, cmd); return -EOPNOTSUPP; default: return -EOPNOTSUPP; } } static int hns3_nway_reset(struct net_device *netdev) { struct phy_device *phy = netdev->phydev; if (!netif_running(netdev)) return 0; /* Only support nway_reset for netdev with phy attached for now */ if (!phy) return -EOPNOTSUPP; if (phy->autoneg != AUTONEG_ENABLE) return -EINVAL; return genphy_restart_aneg(phy); } static void hns3_get_channels(struct net_device *netdev, struct ethtool_channels *ch) { struct hnae3_handle *h = hns3_get_handle(netdev); if (h->ae_algo->ops->get_channels) h->ae_algo->ops->get_channels(h, ch); } static int hns3_get_coalesce_per_queue(struct net_device *netdev, u32 queue, struct ethtool_coalesce *cmd) { struct hns3_enet_tqp_vector *tx_vector, *rx_vector; struct hns3_nic_priv *priv = netdev_priv(netdev); struct hnae3_handle *h = priv->ae_handle; u16 queue_num = h->kinfo.num_tqps; if (hns3_nic_resetting(netdev)) return -EBUSY; if (queue >= queue_num) { netdev_err(netdev, "Invalid queue value %d! Queue max id=%d\n", queue, queue_num - 1); return -EINVAL; } tx_vector = priv->ring_data[queue].ring->tqp_vector; rx_vector = priv->ring_data[queue_num + queue].ring->tqp_vector; cmd->use_adaptive_tx_coalesce = tx_vector->tx_group.coal.gl_adapt_enable; cmd->use_adaptive_rx_coalesce = rx_vector->rx_group.coal.gl_adapt_enable; cmd->tx_coalesce_usecs = tx_vector->tx_group.coal.int_gl; cmd->rx_coalesce_usecs = rx_vector->rx_group.coal.int_gl; cmd->tx_coalesce_usecs_high = h->kinfo.int_rl_setting; cmd->rx_coalesce_usecs_high = h->kinfo.int_rl_setting; return 0; } static int hns3_get_coalesce(struct net_device *netdev, struct ethtool_coalesce *cmd) { return hns3_get_coalesce_per_queue(netdev, 0, cmd); } static int hns3_check_gl_coalesce_para(struct net_device *netdev, struct ethtool_coalesce *cmd) { u32 rx_gl, tx_gl; if (cmd->rx_coalesce_usecs > HNS3_INT_GL_MAX) { netdev_err(netdev, "Invalid rx-usecs value, rx-usecs range is 0-%d\n", HNS3_INT_GL_MAX); return -EINVAL; } if (cmd->tx_coalesce_usecs > HNS3_INT_GL_MAX) { netdev_err(netdev, "Invalid tx-usecs value, tx-usecs range is 0-%d\n", HNS3_INT_GL_MAX); return -EINVAL; } rx_gl = hns3_gl_round_down(cmd->rx_coalesce_usecs); if (rx_gl != cmd->rx_coalesce_usecs) { netdev_info(netdev, "rx_usecs(%d) rounded down to %d, because it must be multiple of 2.\n", cmd->rx_coalesce_usecs, rx_gl); } tx_gl = hns3_gl_round_down(cmd->tx_coalesce_usecs); if (tx_gl != cmd->tx_coalesce_usecs) { netdev_info(netdev, "tx_usecs(%d) rounded down to %d, because it must be multiple of 2.\n", cmd->tx_coalesce_usecs, tx_gl); } return 0; } static int hns3_check_rl_coalesce_para(struct net_device *netdev, struct ethtool_coalesce *cmd) { u32 rl; if (cmd->tx_coalesce_usecs_high != cmd->rx_coalesce_usecs_high) { netdev_err(netdev, "tx_usecs_high must be same as rx_usecs_high.\n"); return -EINVAL; } if (cmd->rx_coalesce_usecs_high > HNS3_INT_RL_MAX) { netdev_err(netdev, "Invalid usecs_high value, usecs_high range is 0-%d\n", HNS3_INT_RL_MAX); return -EINVAL; } rl = hns3_rl_round_down(cmd->rx_coalesce_usecs_high); if (rl != cmd->rx_coalesce_usecs_high) { netdev_info(netdev, "usecs_high(%d) rounded down to %d, because it must be multiple of 4.\n", cmd->rx_coalesce_usecs_high, rl); } return 0; } static int hns3_check_coalesce_para(struct net_device *netdev, struct ethtool_coalesce *cmd) { int ret; ret = hns3_check_gl_coalesce_para(netdev, cmd); if (ret) { netdev_err(netdev, "Check gl coalesce param fail. ret = %d\n", ret); return ret; } ret = hns3_check_rl_coalesce_para(netdev, cmd); if (ret) { netdev_err(netdev, "Check rl coalesce param fail. ret = %d\n", ret); return ret; } if (cmd->use_adaptive_tx_coalesce == 1 || cmd->use_adaptive_rx_coalesce == 1) { netdev_info(netdev, "adaptive-tx=%d and adaptive-rx=%d, tx_usecs or rx_usecs will changed dynamically.\n", cmd->use_adaptive_tx_coalesce, cmd->use_adaptive_rx_coalesce); } return 0; } static void hns3_set_coalesce_per_queue(struct net_device *netdev, struct ethtool_coalesce *cmd, u32 queue) { struct hns3_enet_tqp_vector *tx_vector, *rx_vector; struct hns3_nic_priv *priv = netdev_priv(netdev); struct hnae3_handle *h = priv->ae_handle; int queue_num = h->kinfo.num_tqps; tx_vector = priv->ring_data[queue].ring->tqp_vector; rx_vector = priv->ring_data[queue_num + queue].ring->tqp_vector; tx_vector->tx_group.coal.gl_adapt_enable = cmd->use_adaptive_tx_coalesce; rx_vector->rx_group.coal.gl_adapt_enable = cmd->use_adaptive_rx_coalesce; tx_vector->tx_group.coal.int_gl = cmd->tx_coalesce_usecs; rx_vector->rx_group.coal.int_gl = cmd->rx_coalesce_usecs; hns3_set_vector_coalesce_tx_gl(tx_vector, tx_vector->tx_group.coal.int_gl); hns3_set_vector_coalesce_rx_gl(rx_vector, rx_vector->rx_group.coal.int_gl); hns3_set_vector_coalesce_rl(tx_vector, h->kinfo.int_rl_setting); hns3_set_vector_coalesce_rl(rx_vector, h->kinfo.int_rl_setting); } static int hns3_set_coalesce(struct net_device *netdev, struct ethtool_coalesce *cmd) { struct hnae3_handle *h = hns3_get_handle(netdev); u16 queue_num = h->kinfo.num_tqps; int ret; int i; if (hns3_nic_resetting(netdev)) return -EBUSY; ret = hns3_check_coalesce_para(netdev, cmd); if (ret) return ret; h->kinfo.int_rl_setting = hns3_rl_round_down(cmd->rx_coalesce_usecs_high); for (i = 0; i < queue_num; i++) hns3_set_coalesce_per_queue(netdev, cmd, i); return 0; } static int hns3_get_regs_len(struct net_device *netdev) { struct hnae3_handle *h = hns3_get_handle(netdev); if (!h->ae_algo->ops->get_regs_len) return -EOPNOTSUPP; return h->ae_algo->ops->get_regs_len(h); } static void hns3_get_regs(struct net_device *netdev, struct ethtool_regs *cmd, void *data) { struct hnae3_handle *h = hns3_get_handle(netdev); if (!h->ae_algo->ops->get_regs) return; h->ae_algo->ops->get_regs(h, &cmd->version, data); } static int hns3_set_phys_id(struct net_device *netdev, enum ethtool_phys_id_state state) { struct hnae3_handle *h = hns3_get_handle(netdev); if (!h->ae_algo || !h->ae_algo->ops || !h->ae_algo->ops->set_led_id) return -EOPNOTSUPP; return h->ae_algo->ops->set_led_id(h, state); } static u32 hns3_get_msglevel(struct net_device *netdev) { struct hnae3_handle *h = hns3_get_handle(netdev); return h->msg_enable; } static void hns3_set_msglevel(struct net_device *netdev, u32 msg_level) { struct hnae3_handle *h = hns3_get_handle(netdev); h->msg_enable = msg_level; } static const struct ethtool_ops hns3vf_ethtool_ops = { .get_drvinfo = hns3_get_drvinfo, .get_ringparam = hns3_get_ringparam, .set_ringparam = hns3_set_ringparam, .get_strings = hns3_get_strings, .get_ethtool_stats = hns3_get_stats, .get_sset_count = hns3_get_sset_count, .get_rxnfc = hns3_get_rxnfc, .set_rxnfc = hns3_set_rxnfc, .get_rxfh_key_size = hns3_get_rss_key_size, .get_rxfh_indir_size = hns3_get_rss_indir_size, .get_rxfh = hns3_get_rss, .set_rxfh = hns3_set_rss, .get_link_ksettings = hns3_get_link_ksettings, .get_channels = hns3_get_channels, .get_coalesce = hns3_get_coalesce, .set_coalesce = hns3_set_coalesce, .get_regs_len = hns3_get_regs_len, .get_regs = hns3_get_regs, .get_link = hns3_get_link, .get_msglevel = hns3_get_msglevel, .set_msglevel = hns3_set_msglevel, }; static const struct ethtool_ops hns3_ethtool_ops = { .self_test = hns3_self_test, .get_drvinfo = hns3_get_drvinfo, .get_link = hns3_get_link, .get_ringparam = hns3_get_ringparam, .set_ringparam = hns3_set_ringparam, .get_pauseparam = hns3_get_pauseparam, .set_pauseparam = hns3_set_pauseparam, .get_strings = hns3_get_strings, .get_ethtool_stats = hns3_get_stats, .get_sset_count = hns3_get_sset_count, .get_rxnfc = hns3_get_rxnfc, .set_rxnfc = hns3_set_rxnfc, .get_rxfh_key_size = hns3_get_rss_key_size, .get_rxfh_indir_size = hns3_get_rss_indir_size, .get_rxfh = hns3_get_rss, .set_rxfh = hns3_set_rss, .get_link_ksettings = hns3_get_link_ksettings, .set_link_ksettings = hns3_set_link_ksettings, .nway_reset = hns3_nway_reset, .get_channels = hns3_get_channels, .set_channels = hns3_set_channels, .get_coalesce = hns3_get_coalesce, .set_coalesce = hns3_set_coalesce, .get_regs_len = hns3_get_regs_len, .get_regs = hns3_get_regs, .set_phys_id = hns3_set_phys_id, .get_msglevel = hns3_get_msglevel, .set_msglevel = hns3_set_msglevel, }; void hns3_ethtool_set_ops(struct net_device *netdev) { struct hnae3_handle *h = hns3_get_handle(netdev); if (h->flags & HNAE3_SUPPORT_VF) netdev->ethtool_ops = &hns3vf_ethtool_ops; else netdev->ethtool_ops = &hns3_ethtool_ops; }