| // SPDX-License-Identifier: GPL-2.0 |
| #define pr_fmt(fmt) "bcmasp_ethtool: " fmt |
| |
| #include <asm-generic/unaligned.h> |
| #include <linux/ethtool.h> |
| #include <linux/netdevice.h> |
| #include <linux/platform_device.h> |
| |
| #include "bcmasp.h" |
| #include "bcmasp_intf_defs.h" |
| |
| enum bcmasp_stat_type { |
| BCMASP_STAT_RX_EDPKT, |
| BCMASP_STAT_RX_CTRL, |
| BCMASP_STAT_RX_CTRL_PER_INTF, |
| BCMASP_STAT_SOFT, |
| }; |
| |
| struct bcmasp_stats { |
| char stat_string[ETH_GSTRING_LEN]; |
| enum bcmasp_stat_type type; |
| u32 reg_offset; |
| }; |
| |
| #define STAT_BCMASP_SOFT_MIB(str) { \ |
| .stat_string = str, \ |
| .type = BCMASP_STAT_SOFT, \ |
| } |
| |
| #define STAT_BCMASP_OFFSET(str, _type, offset) { \ |
| .stat_string = str, \ |
| .type = _type, \ |
| .reg_offset = offset, \ |
| } |
| |
| #define STAT_BCMASP_RX_EDPKT(str, offset) \ |
| STAT_BCMASP_OFFSET(str, BCMASP_STAT_RX_EDPKT, offset) |
| #define STAT_BCMASP_RX_CTRL(str, offset) \ |
| STAT_BCMASP_OFFSET(str, BCMASP_STAT_RX_CTRL, offset) |
| #define STAT_BCMASP_RX_CTRL_PER_INTF(str, offset) \ |
| STAT_BCMASP_OFFSET(str, BCMASP_STAT_RX_CTRL_PER_INTF, offset) |
| |
| /* Must match the order of struct bcmasp_mib_counters */ |
| static const struct bcmasp_stats bcmasp_gstrings_stats[] = { |
| /* EDPKT counters */ |
| STAT_BCMASP_RX_EDPKT("RX Time Stamp", ASP_EDPKT_RX_TS_COUNTER), |
| STAT_BCMASP_RX_EDPKT("RX PKT Count", ASP_EDPKT_RX_PKT_CNT), |
| STAT_BCMASP_RX_EDPKT("RX PKT Buffered", ASP_EDPKT_HDR_EXTR_CNT), |
| STAT_BCMASP_RX_EDPKT("RX PKT Pushed to DRAM", ASP_EDPKT_HDR_OUT_CNT), |
| /* ASP RX control */ |
| STAT_BCMASP_RX_CTRL_PER_INTF("Frames From Unimac", |
| ASP_RX_CTRL_UMAC_0_FRAME_COUNT), |
| STAT_BCMASP_RX_CTRL_PER_INTF("Frames From Port", |
| ASP_RX_CTRL_FB_0_FRAME_COUNT), |
| STAT_BCMASP_RX_CTRL_PER_INTF("RX Buffer FIFO Depth", |
| ASP_RX_CTRL_FB_RX_FIFO_DEPTH), |
| STAT_BCMASP_RX_CTRL("Frames Out(Buffer)", |
| ASP_RX_CTRL_FB_OUT_FRAME_COUNT), |
| STAT_BCMASP_RX_CTRL("Frames Out(Filters)", |
| ASP_RX_CTRL_FB_FILT_OUT_FRAME_COUNT), |
| /* Software maintained statistics */ |
| STAT_BCMASP_SOFT_MIB("RX SKB Alloc Failed"), |
| STAT_BCMASP_SOFT_MIB("TX DMA Failed"), |
| STAT_BCMASP_SOFT_MIB("Multicast Filters Full"), |
| STAT_BCMASP_SOFT_MIB("Unicast Filters Full"), |
| STAT_BCMASP_SOFT_MIB("MDA Filters Combined"), |
| STAT_BCMASP_SOFT_MIB("Promisc Filter Set"), |
| STAT_BCMASP_SOFT_MIB("TX Realloc For Offload Failed"), |
| STAT_BCMASP_SOFT_MIB("Tx Timeout Count"), |
| }; |
| |
| #define BCMASP_STATS_LEN ARRAY_SIZE(bcmasp_gstrings_stats) |
| |
| static u16 bcmasp_stat_fixup_offset(struct bcmasp_intf *intf, |
| const struct bcmasp_stats *s) |
| { |
| struct bcmasp_priv *priv = intf->parent; |
| |
| if (!strcmp("Frames Out(Buffer)", s->stat_string)) |
| return priv->hw_info->rx_ctrl_fb_out_frame_count; |
| |
| if (!strcmp("Frames Out(Filters)", s->stat_string)) |
| return priv->hw_info->rx_ctrl_fb_filt_out_frame_count; |
| |
| if (!strcmp("RX Buffer FIFO Depth", s->stat_string)) |
| return priv->hw_info->rx_ctrl_fb_rx_fifo_depth; |
| |
| return s->reg_offset; |
| } |
| |
| static int bcmasp_get_sset_count(struct net_device *dev, int string_set) |
| { |
| switch (string_set) { |
| case ETH_SS_STATS: |
| return BCMASP_STATS_LEN; |
| default: |
| return -EOPNOTSUPP; |
| } |
| } |
| |
| static void bcmasp_get_strings(struct net_device *dev, u32 stringset, |
| u8 *data) |
| { |
| unsigned int i; |
| |
| switch (stringset) { |
| case ETH_SS_STATS: |
| for (i = 0; i < BCMASP_STATS_LEN; i++) { |
| memcpy(data + i * ETH_GSTRING_LEN, |
| bcmasp_gstrings_stats[i].stat_string, |
| ETH_GSTRING_LEN); |
| } |
| break; |
| default: |
| return; |
| } |
| } |
| |
| static void bcmasp_update_mib_counters(struct bcmasp_intf *intf) |
| { |
| unsigned int i; |
| |
| for (i = 0; i < BCMASP_STATS_LEN; i++) { |
| const struct bcmasp_stats *s; |
| u32 offset, val; |
| char *p; |
| |
| s = &bcmasp_gstrings_stats[i]; |
| offset = bcmasp_stat_fixup_offset(intf, s); |
| switch (s->type) { |
| case BCMASP_STAT_SOFT: |
| continue; |
| case BCMASP_STAT_RX_EDPKT: |
| val = rx_edpkt_core_rl(intf->parent, offset); |
| break; |
| case BCMASP_STAT_RX_CTRL: |
| val = rx_ctrl_core_rl(intf->parent, offset); |
| break; |
| case BCMASP_STAT_RX_CTRL_PER_INTF: |
| offset += sizeof(u32) * intf->port; |
| val = rx_ctrl_core_rl(intf->parent, offset); |
| break; |
| default: |
| continue; |
| } |
| p = (char *)(&intf->mib) + (i * sizeof(u32)); |
| put_unaligned(val, (u32 *)p); |
| } |
| } |
| |
| static void bcmasp_get_ethtool_stats(struct net_device *dev, |
| struct ethtool_stats *stats, |
| u64 *data) |
| { |
| struct bcmasp_intf *intf = netdev_priv(dev); |
| unsigned int i; |
| char *p; |
| |
| if (netif_running(dev)) |
| bcmasp_update_mib_counters(intf); |
| |
| for (i = 0; i < BCMASP_STATS_LEN; i++) { |
| p = (char *)(&intf->mib) + (i * sizeof(u32)); |
| data[i] = *(u32 *)p; |
| } |
| } |
| |
| static void bcmasp_get_drvinfo(struct net_device *dev, |
| struct ethtool_drvinfo *info) |
| { |
| strscpy(info->driver, "bcmasp", sizeof(info->driver)); |
| strscpy(info->bus_info, dev_name(dev->dev.parent), |
| sizeof(info->bus_info)); |
| } |
| |
| static u32 bcmasp_get_msglevel(struct net_device *dev) |
| { |
| struct bcmasp_intf *intf = netdev_priv(dev); |
| |
| return intf->msg_enable; |
| } |
| |
| static void bcmasp_set_msglevel(struct net_device *dev, u32 level) |
| { |
| struct bcmasp_intf *intf = netdev_priv(dev); |
| |
| intf->msg_enable = level; |
| } |
| |
| #define BCMASP_SUPPORTED_WAKE (WAKE_MAGIC | WAKE_MAGICSECURE | WAKE_FILTER) |
| static void bcmasp_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol) |
| { |
| struct bcmasp_intf *intf = netdev_priv(dev); |
| |
| wol->supported = BCMASP_SUPPORTED_WAKE; |
| wol->wolopts = intf->wolopts; |
| memset(wol->sopass, 0, sizeof(wol->sopass)); |
| |
| if (wol->wolopts & WAKE_MAGICSECURE) |
| memcpy(wol->sopass, intf->sopass, sizeof(intf->sopass)); |
| } |
| |
| static int bcmasp_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol) |
| { |
| struct bcmasp_intf *intf = netdev_priv(dev); |
| struct bcmasp_priv *priv = intf->parent; |
| struct device *kdev = &priv->pdev->dev; |
| |
| if (!device_can_wakeup(kdev)) |
| return -EOPNOTSUPP; |
| |
| /* Interface Specific */ |
| intf->wolopts = wol->wolopts; |
| if (intf->wolopts & WAKE_MAGICSECURE) |
| memcpy(intf->sopass, wol->sopass, sizeof(wol->sopass)); |
| |
| mutex_lock(&priv->wol_lock); |
| priv->enable_wol(intf, !!intf->wolopts); |
| mutex_unlock(&priv->wol_lock); |
| |
| return 0; |
| } |
| |
| static int bcmasp_flow_insert(struct net_device *dev, struct ethtool_rxnfc *cmd) |
| { |
| struct bcmasp_intf *intf = netdev_priv(dev); |
| struct bcmasp_net_filter *nfilter; |
| u32 loc = cmd->fs.location; |
| bool wake = false; |
| |
| if (cmd->fs.ring_cookie == RX_CLS_FLOW_WAKE) |
| wake = true; |
| |
| /* Currently only supports WAKE filters */ |
| if (!wake) |
| return -EOPNOTSUPP; |
| |
| switch (cmd->fs.flow_type & ~(FLOW_EXT | FLOW_MAC_EXT)) { |
| case ETHER_FLOW: |
| case IP_USER_FLOW: |
| case TCP_V4_FLOW: |
| case UDP_V4_FLOW: |
| case TCP_V6_FLOW: |
| case UDP_V6_FLOW: |
| break; |
| default: |
| return -EOPNOTSUPP; |
| } |
| |
| /* Check if filter already exists */ |
| if (bcmasp_netfilt_check_dup(intf, &cmd->fs)) |
| return -EINVAL; |
| |
| nfilter = bcmasp_netfilt_get_init(intf, loc, wake, true); |
| if (IS_ERR(nfilter)) |
| return PTR_ERR(nfilter); |
| |
| /* Return the location where we did insert the filter */ |
| cmd->fs.location = nfilter->hw_index; |
| memcpy(&nfilter->fs, &cmd->fs, sizeof(struct ethtool_rx_flow_spec)); |
| |
| /* Since we only support wake filters, defer register programming till |
| * suspend time. |
| */ |
| return 0; |
| } |
| |
| static int bcmasp_flow_delete(struct net_device *dev, struct ethtool_rxnfc *cmd) |
| { |
| struct bcmasp_intf *intf = netdev_priv(dev); |
| struct bcmasp_net_filter *nfilter; |
| |
| nfilter = bcmasp_netfilt_get_init(intf, cmd->fs.location, false, false); |
| if (IS_ERR(nfilter)) |
| return PTR_ERR(nfilter); |
| |
| bcmasp_netfilt_release(intf, nfilter); |
| |
| return 0; |
| } |
| |
| static int bcmasp_flow_get(struct bcmasp_intf *intf, struct ethtool_rxnfc *cmd) |
| { |
| struct bcmasp_net_filter *nfilter; |
| |
| nfilter = bcmasp_netfilt_get_init(intf, cmd->fs.location, false, false); |
| if (IS_ERR(nfilter)) |
| return PTR_ERR(nfilter); |
| |
| memcpy(&cmd->fs, &nfilter->fs, sizeof(nfilter->fs)); |
| |
| cmd->data = NUM_NET_FILTERS; |
| |
| return 0; |
| } |
| |
| static int bcmasp_set_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd) |
| { |
| struct bcmasp_intf *intf = netdev_priv(dev); |
| int ret = -EOPNOTSUPP; |
| |
| mutex_lock(&intf->parent->net_lock); |
| |
| switch (cmd->cmd) { |
| case ETHTOOL_SRXCLSRLINS: |
| ret = bcmasp_flow_insert(dev, cmd); |
| break; |
| case ETHTOOL_SRXCLSRLDEL: |
| ret = bcmasp_flow_delete(dev, cmd); |
| break; |
| default: |
| break; |
| } |
| |
| mutex_unlock(&intf->parent->net_lock); |
| |
| return ret; |
| } |
| |
| static int bcmasp_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd, |
| u32 *rule_locs) |
| { |
| struct bcmasp_intf *intf = netdev_priv(dev); |
| int err = 0; |
| |
| mutex_lock(&intf->parent->net_lock); |
| |
| switch (cmd->cmd) { |
| case ETHTOOL_GRXCLSRLCNT: |
| cmd->rule_cnt = bcmasp_netfilt_get_active(intf); |
| /* We support specifying rule locations */ |
| cmd->data |= RX_CLS_LOC_SPECIAL; |
| break; |
| case ETHTOOL_GRXCLSRULE: |
| err = bcmasp_flow_get(intf, cmd); |
| break; |
| case ETHTOOL_GRXCLSRLALL: |
| err = bcmasp_netfilt_get_all_active(intf, rule_locs, &cmd->rule_cnt); |
| cmd->data = NUM_NET_FILTERS; |
| break; |
| default: |
| err = -EOPNOTSUPP; |
| break; |
| } |
| |
| mutex_unlock(&intf->parent->net_lock); |
| |
| return err; |
| } |
| |
| void bcmasp_eee_enable_set(struct bcmasp_intf *intf, bool enable) |
| { |
| u32 reg; |
| |
| reg = umac_rl(intf, UMC_EEE_CTRL); |
| if (enable) |
| reg |= EEE_EN; |
| else |
| reg &= ~EEE_EN; |
| umac_wl(intf, reg, UMC_EEE_CTRL); |
| |
| intf->eee.eee_enabled = enable; |
| } |
| |
| static int bcmasp_get_eee(struct net_device *dev, struct ethtool_keee *e) |
| { |
| struct bcmasp_intf *intf = netdev_priv(dev); |
| struct ethtool_keee *p = &intf->eee; |
| |
| if (!dev->phydev) |
| return -ENODEV; |
| |
| e->tx_lpi_enabled = p->tx_lpi_enabled; |
| e->tx_lpi_timer = umac_rl(intf, UMC_EEE_LPI_TIMER); |
| |
| return phy_ethtool_get_eee(dev->phydev, e); |
| } |
| |
| static int bcmasp_set_eee(struct net_device *dev, struct ethtool_keee *e) |
| { |
| struct bcmasp_intf *intf = netdev_priv(dev); |
| struct ethtool_keee *p = &intf->eee; |
| int ret; |
| |
| if (!dev->phydev) |
| return -ENODEV; |
| |
| if (!p->eee_enabled) { |
| bcmasp_eee_enable_set(intf, false); |
| } else { |
| ret = phy_init_eee(dev->phydev, 0); |
| if (ret) { |
| netif_err(intf, hw, dev, |
| "EEE initialization failed: %d\n", ret); |
| return ret; |
| } |
| |
| umac_wl(intf, e->tx_lpi_timer, UMC_EEE_LPI_TIMER); |
| intf->eee.tx_lpi_enabled = e->tx_lpi_enabled; |
| bcmasp_eee_enable_set(intf, true); |
| } |
| |
| return phy_ethtool_set_eee(dev->phydev, e); |
| } |
| |
| static void bcmasp_get_eth_mac_stats(struct net_device *dev, |
| struct ethtool_eth_mac_stats *mac_stats) |
| { |
| struct bcmasp_intf *intf = netdev_priv(dev); |
| |
| mac_stats->FramesTransmittedOK = umac_rl(intf, UMC_GTPOK); |
| mac_stats->SingleCollisionFrames = umac_rl(intf, UMC_GTSCL); |
| mac_stats->MultipleCollisionFrames = umac_rl(intf, UMC_GTMCL); |
| mac_stats->FramesReceivedOK = umac_rl(intf, UMC_GRPOK); |
| mac_stats->FrameCheckSequenceErrors = umac_rl(intf, UMC_GRFCS); |
| mac_stats->AlignmentErrors = umac_rl(intf, UMC_GRALN); |
| mac_stats->OctetsTransmittedOK = umac_rl(intf, UMC_GTBYT); |
| mac_stats->FramesWithDeferredXmissions = umac_rl(intf, UMC_GTDRF); |
| mac_stats->LateCollisions = umac_rl(intf, UMC_GTLCL); |
| mac_stats->FramesAbortedDueToXSColls = umac_rl(intf, UMC_GTXCL); |
| mac_stats->OctetsReceivedOK = umac_rl(intf, UMC_GRBYT); |
| mac_stats->MulticastFramesXmittedOK = umac_rl(intf, UMC_GTMCA); |
| mac_stats->BroadcastFramesXmittedOK = umac_rl(intf, UMC_GTBCA); |
| mac_stats->FramesWithExcessiveDeferral = umac_rl(intf, UMC_GTEDF); |
| mac_stats->MulticastFramesReceivedOK = umac_rl(intf, UMC_GRMCA); |
| mac_stats->BroadcastFramesReceivedOK = umac_rl(intf, UMC_GRBCA); |
| } |
| |
| static const struct ethtool_rmon_hist_range bcmasp_rmon_ranges[] = { |
| { 0, 64}, |
| { 65, 127}, |
| { 128, 255}, |
| { 256, 511}, |
| { 512, 1023}, |
| { 1024, 1518}, |
| { 1519, 1522}, |
| {} |
| }; |
| |
| static void bcmasp_get_rmon_stats(struct net_device *dev, |
| struct ethtool_rmon_stats *rmon_stats, |
| const struct ethtool_rmon_hist_range **ranges) |
| { |
| struct bcmasp_intf *intf = netdev_priv(dev); |
| |
| *ranges = bcmasp_rmon_ranges; |
| |
| rmon_stats->undersize_pkts = umac_rl(intf, UMC_RRUND); |
| rmon_stats->oversize_pkts = umac_rl(intf, UMC_GROVR); |
| rmon_stats->fragments = umac_rl(intf, UMC_RRFRG); |
| rmon_stats->jabbers = umac_rl(intf, UMC_GRJBR); |
| |
| rmon_stats->hist[0] = umac_rl(intf, UMC_GR64); |
| rmon_stats->hist[1] = umac_rl(intf, UMC_GR127); |
| rmon_stats->hist[2] = umac_rl(intf, UMC_GR255); |
| rmon_stats->hist[3] = umac_rl(intf, UMC_GR511); |
| rmon_stats->hist[4] = umac_rl(intf, UMC_GR1023); |
| rmon_stats->hist[5] = umac_rl(intf, UMC_GR1518); |
| rmon_stats->hist[6] = umac_rl(intf, UMC_GRMGV); |
| |
| rmon_stats->hist_tx[0] = umac_rl(intf, UMC_TR64); |
| rmon_stats->hist_tx[1] = umac_rl(intf, UMC_TR127); |
| rmon_stats->hist_tx[2] = umac_rl(intf, UMC_TR255); |
| rmon_stats->hist_tx[3] = umac_rl(intf, UMC_TR511); |
| rmon_stats->hist_tx[4] = umac_rl(intf, UMC_TR1023); |
| rmon_stats->hist_tx[5] = umac_rl(intf, UMC_TR1518); |
| rmon_stats->hist_tx[6] = umac_rl(intf, UMC_TRMGV); |
| } |
| |
| static void bcmasp_get_eth_ctrl_stats(struct net_device *dev, |
| struct ethtool_eth_ctrl_stats *ctrl_stats) |
| { |
| struct bcmasp_intf *intf = netdev_priv(dev); |
| |
| ctrl_stats->MACControlFramesTransmitted = umac_rl(intf, UMC_GTXCF); |
| ctrl_stats->MACControlFramesReceived = umac_rl(intf, UMC_GRXCF); |
| ctrl_stats->UnsupportedOpcodesReceived = umac_rl(intf, UMC_GRXUO); |
| } |
| |
| const struct ethtool_ops bcmasp_ethtool_ops = { |
| .get_drvinfo = bcmasp_get_drvinfo, |
| .get_link = ethtool_op_get_link, |
| .get_link_ksettings = phy_ethtool_get_link_ksettings, |
| .set_link_ksettings = phy_ethtool_set_link_ksettings, |
| .get_msglevel = bcmasp_get_msglevel, |
| .set_msglevel = bcmasp_set_msglevel, |
| .get_wol = bcmasp_get_wol, |
| .set_wol = bcmasp_set_wol, |
| .get_rxnfc = bcmasp_get_rxnfc, |
| .set_rxnfc = bcmasp_set_rxnfc, |
| .set_eee = bcmasp_set_eee, |
| .get_eee = bcmasp_get_eee, |
| .get_eth_mac_stats = bcmasp_get_eth_mac_stats, |
| .get_rmon_stats = bcmasp_get_rmon_stats, |
| .get_eth_ctrl_stats = bcmasp_get_eth_ctrl_stats, |
| .get_strings = bcmasp_get_strings, |
| .get_ethtool_stats = bcmasp_get_ethtool_stats, |
| .get_sset_count = bcmasp_get_sset_count, |
| }; |