diff options
Diffstat (limited to 'drivers/net/ethernet/freescale/dpaa2/dpaa2-ethtool.c')
| -rw-r--r-- | drivers/net/ethernet/freescale/dpaa2/dpaa2-ethtool.c | 401 |
1 files changed, 287 insertions, 114 deletions
diff --git a/drivers/net/ethernet/freescale/dpaa2/dpaa2-ethtool.c b/drivers/net/ethernet/freescale/dpaa2/dpaa2-ethtool.c index e88269fe3de7..baab4f1c908d 100644 --- a/drivers/net/ethernet/freescale/dpaa2/dpaa2-ethtool.c +++ b/drivers/net/ethernet/freescale/dpaa2/dpaa2-ethtool.c @@ -1,6 +1,6 @@ // SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause) /* Copyright 2014-2016 Freescale Semiconductor Inc. - * Copyright 2016 NXP + * Copyright 2016-2022 NXP */ #include <linux/net_tstamp.h> @@ -43,9 +43,12 @@ static char dpaa2_ethtool_extras[][ETH_GSTRING_LEN] = { "[drv] tx conf bytes", "[drv] tx sg frames", "[drv] tx sg bytes", - "[drv] tx realloc frames", + "[drv] tx tso frames", + "[drv] tx tso bytes", "[drv] rx sg frames", "[drv] rx sg bytes", + "[drv] tx converted sg frames", + "[drv] tx converted sg bytes", "[drv] enqueue portal busy", /* Channel stats */ "[drv] dequeue portal busy", @@ -70,23 +73,28 @@ static void dpaa2_eth_get_drvinfo(struct net_device *net_dev, { struct dpaa2_eth_priv *priv = netdev_priv(net_dev); - strlcpy(drvinfo->driver, KBUILD_MODNAME, sizeof(drvinfo->driver)); + strscpy(drvinfo->driver, KBUILD_MODNAME, sizeof(drvinfo->driver)); snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version), "%u.%u", priv->dpni_ver_major, priv->dpni_ver_minor); - strlcpy(drvinfo->bus_info, dev_name(net_dev->dev.parent->parent), + strscpy(drvinfo->bus_info, dev_name(net_dev->dev.parent->parent), sizeof(drvinfo->bus_info)); } static int dpaa2_eth_nway_reset(struct net_device *net_dev) { struct dpaa2_eth_priv *priv = netdev_priv(net_dev); + int err = -EOPNOTSUPP; - if (priv->mac) - return phylink_ethtool_nway_reset(priv->mac->phylink); + mutex_lock(&priv->mac_lock); - return -EOPNOTSUPP; + if (dpaa2_eth_is_type_phy(priv)) + err = phylink_ethtool_nway_reset(priv->mac->phylink); + + mutex_unlock(&priv->mac_lock); + + return err; } static int @@ -94,10 +102,18 @@ dpaa2_eth_get_link_ksettings(struct net_device *net_dev, struct ethtool_link_ksettings *link_settings) { struct dpaa2_eth_priv *priv = netdev_priv(net_dev); + int err; + + mutex_lock(&priv->mac_lock); + + if (dpaa2_eth_is_type_phy(priv)) { + err = phylink_ethtool_ksettings_get(priv->mac->phylink, + link_settings); + mutex_unlock(&priv->mac_lock); + return err; + } - if (priv->mac) - return phylink_ethtool_ksettings_get(priv->mac->phylink, - link_settings); + mutex_unlock(&priv->mac_lock); link_settings->base.autoneg = AUTONEG_DISABLE; if (!(priv->link_state.options & DPNI_LINK_OPT_HALF_DUPLEX)) @@ -112,11 +128,17 @@ dpaa2_eth_set_link_ksettings(struct net_device *net_dev, const struct ethtool_link_ksettings *link_settings) { struct dpaa2_eth_priv *priv = netdev_priv(net_dev); + int err = -EOPNOTSUPP; + + mutex_lock(&priv->mac_lock); - if (!priv->mac) - return -ENOTSUPP; + if (dpaa2_eth_is_type_phy(priv)) + err = phylink_ethtool_ksettings_set(priv->mac->phylink, + link_settings); - return phylink_ethtool_ksettings_set(priv->mac->phylink, link_settings); + mutex_unlock(&priv->mac_lock); + + return err; } static void dpaa2_eth_get_pauseparam(struct net_device *net_dev, @@ -125,11 +147,16 @@ static void dpaa2_eth_get_pauseparam(struct net_device *net_dev, struct dpaa2_eth_priv *priv = netdev_priv(net_dev); u64 link_options = priv->link_state.options; - if (priv->mac) { + mutex_lock(&priv->mac_lock); + + if (dpaa2_eth_is_type_phy(priv)) { phylink_ethtool_get_pauseparam(priv->mac->phylink, pause); + mutex_unlock(&priv->mac_lock); return; } + mutex_unlock(&priv->mac_lock); + pause->rx_pause = dpaa2_eth_rx_pause_enabled(link_options); pause->tx_pause = dpaa2_eth_tx_pause_enabled(link_options); pause->autoneg = AUTONEG_DISABLE; @@ -148,9 +175,17 @@ static int dpaa2_eth_set_pauseparam(struct net_device *net_dev, return -EOPNOTSUPP; } - if (priv->mac) - return phylink_ethtool_set_pauseparam(priv->mac->phylink, - pause); + mutex_lock(&priv->mac_lock); + + if (dpaa2_eth_is_type_phy(priv)) { + err = phylink_ethtool_set_pauseparam(priv->mac->phylink, + pause); + mutex_unlock(&priv->mac_lock); + return err; + } + + mutex_unlock(&priv->mac_lock); + if (pause->autoneg) return -EOPNOTSUPP; @@ -182,36 +217,25 @@ static int dpaa2_eth_set_pauseparam(struct net_device *net_dev, static void dpaa2_eth_get_strings(struct net_device *netdev, u32 stringset, u8 *data) { - struct dpaa2_eth_priv *priv = netdev_priv(netdev); - u8 *p = data; int i; switch (stringset) { case ETH_SS_STATS: - for (i = 0; i < DPAA2_ETH_NUM_STATS; i++) { - strlcpy(p, dpaa2_ethtool_stats[i], ETH_GSTRING_LEN); - p += ETH_GSTRING_LEN; - } - for (i = 0; i < DPAA2_ETH_NUM_EXTRA_STATS; i++) { - strlcpy(p, dpaa2_ethtool_extras[i], ETH_GSTRING_LEN); - p += ETH_GSTRING_LEN; - } - if (priv->mac) - dpaa2_mac_get_strings(p); + for (i = 0; i < DPAA2_ETH_NUM_STATS; i++) + ethtool_puts(&data, dpaa2_ethtool_stats[i]); + for (i = 0; i < DPAA2_ETH_NUM_EXTRA_STATS; i++) + ethtool_puts(&data, dpaa2_ethtool_extras[i]); + dpaa2_mac_get_strings(&data); break; } } static int dpaa2_eth_get_sset_count(struct net_device *net_dev, int sset) { - int num_ss_stats = DPAA2_ETH_NUM_STATS + DPAA2_ETH_NUM_EXTRA_STATS; - struct dpaa2_eth_priv *priv = netdev_priv(net_dev); - switch (sset) { case ETH_SS_STATS: /* ethtool_get_stats(), ethtool_get_drvinfo() */ - if (priv->mac) - num_ss_stats += dpaa2_mac_get_sset_count(); - return num_ss_stats; + return DPAA2_ETH_NUM_STATS + DPAA2_ETH_NUM_EXTRA_STATS + + dpaa2_mac_get_sset_count(); default: return -EOPNOTSUPP; } @@ -223,17 +247,8 @@ static void dpaa2_eth_get_ethtool_stats(struct net_device *net_dev, struct ethtool_stats *stats, u64 *data) { - int i = 0; - int j, k, err; - int num_cnt; - union dpni_statistics dpni_stats; - u32 fcnt, bcnt; - u32 fcnt_rx_total = 0, fcnt_tx_total = 0; - u32 bcnt_rx_total = 0, bcnt_tx_total = 0; - u32 buf_cnt; struct dpaa2_eth_priv *priv = netdev_priv(net_dev); - struct dpaa2_eth_drv_stats *extras; - struct dpaa2_eth_ch_stats *ch_stats; + union dpni_statistics dpni_stats; int dpni_stats_page_size[DPNI_STATISTICS_CNT] = { sizeof(dpni_stats.page_0), sizeof(dpni_stats.page_1), @@ -243,6 +258,13 @@ static void dpaa2_eth_get_ethtool_stats(struct net_device *net_dev, sizeof(dpni_stats.page_5), sizeof(dpni_stats.page_6), }; + u32 fcnt_rx_total = 0, fcnt_tx_total = 0; + u32 bcnt_rx_total = 0, bcnt_tx_total = 0; + struct dpaa2_eth_ch_stats *ch_stats; + struct dpaa2_eth_drv_stats *extras; + u32 buf_cnt, buf_cnt_total = 0; + int j, k, err, num_cnt, i = 0; + u32 fcnt, bcnt; memset(data, 0, sizeof(u64) * (DPAA2_ETH_NUM_STATS + DPAA2_ETH_NUM_EXTRA_STATS)); @@ -276,7 +298,7 @@ static void dpaa2_eth_get_ethtool_stats(struct net_device *net_dev, /* Per-channel stats */ for (k = 0; k < priv->num_channels; k++) { ch_stats = &priv->channel[k]->stats; - for (j = 0; j < sizeof(*ch_stats) / sizeof(__u64) - 1; j++) + for (j = 0; j < DPAA2_ETH_CH_STATS; j++) *((__u64 *)data + i + j) += *((__u64 *)ch_stats + j); } i += j; @@ -304,19 +326,26 @@ static void dpaa2_eth_get_ethtool_stats(struct net_device *net_dev, *(data + i++) = fcnt_tx_total; *(data + i++) = bcnt_tx_total; - err = dpaa2_io_query_bp_count(NULL, priv->bpid, &buf_cnt); - if (err) { - netdev_warn(net_dev, "Buffer count query error %d\n", err); - return; + for (j = 0; j < priv->num_bps; j++) { + err = dpaa2_io_query_bp_count(NULL, priv->bp[j]->bpid, &buf_cnt); + if (err) { + netdev_warn(net_dev, "Buffer count query error %d\n", err); + return; + } + buf_cnt_total += buf_cnt; } - *(data + i++) = buf_cnt; + *(data + i++) = buf_cnt_total; - if (priv->mac) + mutex_lock(&priv->mac_lock); + + if (dpaa2_eth_has_mac(priv)) dpaa2_mac_get_ethtool_stats(priv->mac, data + i); + + mutex_unlock(&priv->mac_lock); } -static int prep_eth_rule(struct ethhdr *eth_value, struct ethhdr *eth_mask, - void *key, void *mask, u64 *fields) +static int dpaa2_eth_prep_eth_rule(struct ethhdr *eth_value, struct ethhdr *eth_mask, + void *key, void *mask, u64 *fields) { int off; @@ -344,9 +373,9 @@ static int prep_eth_rule(struct ethhdr *eth_value, struct ethhdr *eth_mask, return 0; } -static int prep_uip_rule(struct ethtool_usrip4_spec *uip_value, - struct ethtool_usrip4_spec *uip_mask, - void *key, void *mask, u64 *fields) +static int dpaa2_eth_prep_uip_rule(struct ethtool_usrip4_spec *uip_value, + struct ethtool_usrip4_spec *uip_mask, + void *key, void *mask, u64 *fields) { int off; u32 tmp_value, tmp_mask; @@ -399,9 +428,9 @@ static int prep_uip_rule(struct ethtool_usrip4_spec *uip_value, return 0; } -static int prep_l4_rule(struct ethtool_tcpip4_spec *l4_value, - struct ethtool_tcpip4_spec *l4_mask, - void *key, void *mask, u8 l4_proto, u64 *fields) +static int dpaa2_eth_prep_l4_rule(struct ethtool_tcpip4_spec *l4_value, + struct ethtool_tcpip4_spec *l4_mask, + void *key, void *mask, u8 l4_proto, u64 *fields) { int off; @@ -450,9 +479,9 @@ static int prep_l4_rule(struct ethtool_tcpip4_spec *l4_value, return 0; } -static int prep_ext_rule(struct ethtool_flow_ext *ext_value, - struct ethtool_flow_ext *ext_mask, - void *key, void *mask, u64 *fields) +static int dpaa2_eth_prep_ext_rule(struct ethtool_flow_ext *ext_value, + struct ethtool_flow_ext *ext_mask, + void *key, void *mask, u64 *fields) { int off; @@ -469,9 +498,9 @@ static int prep_ext_rule(struct ethtool_flow_ext *ext_value, return 0; } -static int prep_mac_ext_rule(struct ethtool_flow_ext *ext_value, - struct ethtool_flow_ext *ext_mask, - void *key, void *mask, u64 *fields) +static int dpaa2_eth_prep_mac_ext_rule(struct ethtool_flow_ext *ext_value, + struct ethtool_flow_ext *ext_mask, + void *key, void *mask, u64 *fields) { int off; @@ -485,32 +514,32 @@ static int prep_mac_ext_rule(struct ethtool_flow_ext *ext_value, return 0; } -static int prep_cls_rule(struct ethtool_rx_flow_spec *fs, void *key, void *mask, - u64 *fields) +static int dpaa2_eth_prep_cls_rule(struct ethtool_rx_flow_spec *fs, void *key, + void *mask, u64 *fields) { int err; switch (fs->flow_type & 0xFF) { case ETHER_FLOW: - err = prep_eth_rule(&fs->h_u.ether_spec, &fs->m_u.ether_spec, - key, mask, fields); + err = dpaa2_eth_prep_eth_rule(&fs->h_u.ether_spec, &fs->m_u.ether_spec, + key, mask, fields); break; case IP_USER_FLOW: - err = prep_uip_rule(&fs->h_u.usr_ip4_spec, - &fs->m_u.usr_ip4_spec, key, mask, fields); + err = dpaa2_eth_prep_uip_rule(&fs->h_u.usr_ip4_spec, + &fs->m_u.usr_ip4_spec, key, mask, fields); break; case TCP_V4_FLOW: - err = prep_l4_rule(&fs->h_u.tcp_ip4_spec, &fs->m_u.tcp_ip4_spec, - key, mask, IPPROTO_TCP, fields); + err = dpaa2_eth_prep_l4_rule(&fs->h_u.tcp_ip4_spec, &fs->m_u.tcp_ip4_spec, + key, mask, IPPROTO_TCP, fields); break; case UDP_V4_FLOW: - err = prep_l4_rule(&fs->h_u.udp_ip4_spec, &fs->m_u.udp_ip4_spec, - key, mask, IPPROTO_UDP, fields); + err = dpaa2_eth_prep_l4_rule(&fs->h_u.udp_ip4_spec, &fs->m_u.udp_ip4_spec, + key, mask, IPPROTO_UDP, fields); break; case SCTP_V4_FLOW: - err = prep_l4_rule(&fs->h_u.sctp_ip4_spec, - &fs->m_u.sctp_ip4_spec, key, mask, - IPPROTO_SCTP, fields); + err = dpaa2_eth_prep_l4_rule(&fs->h_u.sctp_ip4_spec, + &fs->m_u.sctp_ip4_spec, key, mask, + IPPROTO_SCTP, fields); break; default: return -EOPNOTSUPP; @@ -520,14 +549,14 @@ static int prep_cls_rule(struct ethtool_rx_flow_spec *fs, void *key, void *mask, return err; if (fs->flow_type & FLOW_EXT) { - err = prep_ext_rule(&fs->h_ext, &fs->m_ext, key, mask, fields); + err = dpaa2_eth_prep_ext_rule(&fs->h_ext, &fs->m_ext, key, mask, fields); if (err) return err; } if (fs->flow_type & FLOW_MAC_EXT) { - err = prep_mac_ext_rule(&fs->h_ext, &fs->m_ext, key, mask, - fields); + err = dpaa2_eth_prep_mac_ext_rule(&fs->h_ext, &fs->m_ext, key, + mask, fields); if (err) return err; } @@ -535,9 +564,9 @@ static int prep_cls_rule(struct ethtool_rx_flow_spec *fs, void *key, void *mask, return 0; } -static int do_cls_rule(struct net_device *net_dev, - struct ethtool_rx_flow_spec *fs, - bool add) +static int dpaa2_eth_do_cls_rule(struct net_device *net_dev, + struct ethtool_rx_flow_spec *fs, + bool add) { struct dpaa2_eth_priv *priv = netdev_priv(net_dev); struct device *dev = net_dev->dev.parent; @@ -560,7 +589,7 @@ static int do_cls_rule(struct net_device *net_dev, return -ENOMEM; /* Fill the key and mask memory areas */ - err = prep_cls_rule(fs, key_buf, key_buf + rule_cfg.key_size, &fields); + err = dpaa2_eth_prep_cls_rule(fs, key_buf, key_buf + rule_cfg.key_size, &fields); if (err) goto free_mem; @@ -616,7 +645,7 @@ static int do_cls_rule(struct net_device *net_dev, err = dpni_remove_fs_entry(priv->mc_io, 0, priv->mc_token, i, &rule_cfg); - if (err) + if (err || priv->dpni_attrs.options & DPNI_OPT_SHARED_FS) break; } @@ -628,7 +657,7 @@ free_mem: return err; } -static int num_rules(struct dpaa2_eth_priv *priv) +static int dpaa2_eth_num_cls_rules(struct dpaa2_eth_priv *priv) { int i, rules = 0; @@ -639,9 +668,9 @@ static int num_rules(struct dpaa2_eth_priv *priv) return rules; } -static int update_cls_rule(struct net_device *net_dev, - struct ethtool_rx_flow_spec *new_fs, - unsigned int location) +static int dpaa2_eth_update_cls_rule(struct net_device *net_dev, + struct ethtool_rx_flow_spec *new_fs, + unsigned int location) { struct dpaa2_eth_priv *priv = netdev_priv(net_dev); struct dpaa2_eth_cls_rule *rule; @@ -657,13 +686,14 @@ static int update_cls_rule(struct net_device *net_dev, /* If a rule is present at the specified location, delete it. */ if (rule->in_use) { - err = do_cls_rule(net_dev, &rule->fs, false); + err = dpaa2_eth_do_cls_rule(net_dev, &rule->fs, false); if (err) return err; rule->in_use = 0; - if (!dpaa2_eth_fs_mask_enabled(priv) && !num_rules(priv)) + if (!dpaa2_eth_fs_mask_enabled(priv) && + !dpaa2_eth_num_cls_rules(priv)) priv->rx_cls_fields = 0; } @@ -671,7 +701,7 @@ static int update_cls_rule(struct net_device *net_dev, if (!new_fs) return err; - err = do_cls_rule(net_dev, new_fs, true); + err = dpaa2_eth_do_cls_rule(net_dev, new_fs, true); if (err) return err; @@ -681,6 +711,13 @@ static int update_cls_rule(struct net_device *net_dev, return 0; } +static u32 dpaa2_eth_get_rx_ring_count(struct net_device *net_dev) +{ + struct dpaa2_eth_priv *priv = netdev_priv(net_dev); + + return dpaa2_eth_queue_count(priv); +} + static int dpaa2_eth_get_rxnfc(struct net_device *net_dev, struct ethtool_rxnfc *rxnfc, u32 *rule_locs) { @@ -689,19 +726,9 @@ static int dpaa2_eth_get_rxnfc(struct net_device *net_dev, int i, j = 0; switch (rxnfc->cmd) { - case ETHTOOL_GRXFH: - /* we purposely ignore cmd->flow_type for now, because the - * classifier only supports a single set of fields for all - * protocols - */ - rxnfc->data = priv->rx_hash_fields; - break; - case ETHTOOL_GRXRINGS: - rxnfc->data = dpaa2_eth_queue_count(priv); - break; case ETHTOOL_GRXCLSRLCNT: rxnfc->rule_cnt = 0; - rxnfc->rule_cnt = num_rules(priv); + rxnfc->rule_cnt = dpaa2_eth_num_cls_rules(priv); rxnfc->data = max_rules; break; case ETHTOOL_GRXCLSRULE: @@ -737,16 +764,11 @@ static int dpaa2_eth_set_rxnfc(struct net_device *net_dev, int err = 0; switch (rxnfc->cmd) { - case ETHTOOL_SRXFH: - if ((rxnfc->data & DPAA2_RXH_SUPPORTED) != rxnfc->data) - return -EOPNOTSUPP; - err = dpaa2_eth_set_hash(net_dev, rxnfc->data); - break; case ETHTOOL_SRXCLSRLINS: - err = update_cls_rule(net_dev, &rxnfc->fs, rxnfc->fs.location); + err = dpaa2_eth_update_cls_rule(net_dev, &rxnfc->fs, rxnfc->fs.location); break; case ETHTOOL_SRXCLSRLDEL: - err = update_cls_rule(net_dev, NULL, rxnfc->fs.location); + err = dpaa2_eth_update_cls_rule(net_dev, NULL, rxnfc->fs.location); break; default: err = -EOPNOTSUPP; @@ -755,12 +777,37 @@ static int dpaa2_eth_set_rxnfc(struct net_device *net_dev, return err; } +static int dpaa2_eth_get_rxfh_fields(struct net_device *net_dev, + struct ethtool_rxfh_fields *rxnfc) +{ + struct dpaa2_eth_priv *priv = netdev_priv(net_dev); + + /* we purposely ignore cmd->flow_type for now, because the + * classifier only supports a single set of fields for all + * protocols + */ + rxnfc->data = priv->rx_hash_fields; + return 0; +} + +static int dpaa2_eth_set_rxfh_fields(struct net_device *net_dev, + const struct ethtool_rxfh_fields *rxnfc, + struct netlink_ext_ack *extack) +{ + if ((rxnfc->data & DPAA2_RXH_SUPPORTED) != rxnfc->data) + return -EOPNOTSUPP; + return dpaa2_eth_set_hash(net_dev, rxnfc->data); +} + int dpaa2_phc_index = -1; EXPORT_SYMBOL(dpaa2_phc_index); static int dpaa2_eth_get_ts_info(struct net_device *dev, - struct ethtool_ts_info *info) + struct kernel_ethtool_ts_info *info) { + if (!dpaa2_ptp) + return ethtool_op_get_ts_info(dev, info); + info->so_timestamping = SOF_TIMESTAMPING_TX_HARDWARE | SOF_TIMESTAMPING_RX_HARDWARE | SOF_TIMESTAMPING_RAW_HARDWARE; @@ -768,14 +815,132 @@ static int dpaa2_eth_get_ts_info(struct net_device *dev, info->phc_index = dpaa2_phc_index; info->tx_types = (1 << HWTSTAMP_TX_OFF) | - (1 << HWTSTAMP_TX_ON); + (1 << HWTSTAMP_TX_ON) | + (1 << HWTSTAMP_TX_ONESTEP_SYNC); info->rx_filters = (1 << HWTSTAMP_FILTER_NONE) | (1 << HWTSTAMP_FILTER_ALL); return 0; } +static int dpaa2_eth_get_tunable(struct net_device *net_dev, + const struct ethtool_tunable *tuna, + void *data) +{ + struct dpaa2_eth_priv *priv = netdev_priv(net_dev); + int err = 0; + + switch (tuna->id) { + case ETHTOOL_RX_COPYBREAK: + *(u32 *)data = priv->rx_copybreak; + break; + default: + err = -EOPNOTSUPP; + break; + } + + return err; +} + +static int dpaa2_eth_set_tunable(struct net_device *net_dev, + const struct ethtool_tunable *tuna, + const void *data) +{ + struct dpaa2_eth_priv *priv = netdev_priv(net_dev); + int err = 0; + + switch (tuna->id) { + case ETHTOOL_RX_COPYBREAK: + priv->rx_copybreak = *(u32 *)data; + break; + default: + err = -EOPNOTSUPP; + break; + } + + return err; +} + +static int dpaa2_eth_get_coalesce(struct net_device *dev, + struct ethtool_coalesce *ic, + struct kernel_ethtool_coalesce *kernel_coal, + struct netlink_ext_ack *extack) +{ + struct dpaa2_eth_priv *priv = netdev_priv(dev); + struct dpaa2_io *dpio = priv->channel[0]->dpio; + + dpaa2_io_get_irq_coalescing(dpio, &ic->rx_coalesce_usecs); + ic->use_adaptive_rx_coalesce = dpaa2_io_get_adaptive_coalescing(dpio); + + return 0; +} + +static int dpaa2_eth_set_coalesce(struct net_device *dev, + struct ethtool_coalesce *ic, + struct kernel_ethtool_coalesce *kernel_coal, + struct netlink_ext_ack *extack) +{ + struct dpaa2_eth_priv *priv = netdev_priv(dev); + struct dpaa2_io *dpio; + int prev_adaptive; + u32 prev_rx_usecs; + int i, j, err; + + /* Keep track of the previous value, just in case we fail */ + dpio = priv->channel[0]->dpio; + dpaa2_io_get_irq_coalescing(dpio, &prev_rx_usecs); + prev_adaptive = dpaa2_io_get_adaptive_coalescing(dpio); + + /* Setup new value for rx coalescing */ + for (i = 0; i < priv->num_channels; i++) { + dpio = priv->channel[i]->dpio; + + dpaa2_io_set_adaptive_coalescing(dpio, + ic->use_adaptive_rx_coalesce); + err = dpaa2_io_set_irq_coalescing(dpio, ic->rx_coalesce_usecs); + if (err) + goto restore_rx_usecs; + } + + return 0; + +restore_rx_usecs: + for (j = 0; j < i; j++) { + dpio = priv->channel[j]->dpio; + + dpaa2_io_set_irq_coalescing(dpio, prev_rx_usecs); + dpaa2_io_set_adaptive_coalescing(dpio, prev_adaptive); + } + + return err; +} + +static void dpaa2_eth_get_channels(struct net_device *net_dev, + struct ethtool_channels *channels) +{ + struct dpaa2_eth_priv *priv = netdev_priv(net_dev); + int queue_count = dpaa2_eth_queue_count(priv); + + channels->max_rx = queue_count; + channels->max_tx = queue_count; + channels->rx_count = queue_count; + channels->tx_count = queue_count; + + /* Tx confirmation and Rx error */ + channels->max_other = queue_count + 1; + channels->max_combined = channels->max_rx + + channels->max_tx + + channels->max_other; + /* Tx conf and Rx err */ + channels->other_count = queue_count + 1; + channels->combined_count = channels->rx_count + + channels->tx_count + + channels->other_count; +} + const struct ethtool_ops dpaa2_ethtool_ops = { + .supported_coalesce_params = ETHTOOL_COALESCE_RX_USECS | + ETHTOOL_COALESCE_USE_ADAPTIVE_RX, .get_drvinfo = dpaa2_eth_get_drvinfo, .nway_reset = dpaa2_eth_nway_reset, .get_link = ethtool_op_get_link, @@ -788,5 +953,13 @@ const struct ethtool_ops dpaa2_ethtool_ops = { .get_strings = dpaa2_eth_get_strings, .get_rxnfc = dpaa2_eth_get_rxnfc, .set_rxnfc = dpaa2_eth_set_rxnfc, + .get_rx_ring_count = dpaa2_eth_get_rx_ring_count, + .get_rxfh_fields = dpaa2_eth_get_rxfh_fields, + .set_rxfh_fields = dpaa2_eth_set_rxfh_fields, .get_ts_info = dpaa2_eth_get_ts_info, + .get_tunable = dpaa2_eth_get_tunable, + .set_tunable = dpaa2_eth_set_tunable, + .get_coalesce = dpaa2_eth_get_coalesce, + .set_coalesce = dpaa2_eth_set_coalesce, + .get_channels = dpaa2_eth_get_channels, }; |
