1f13bbc2fSNeel Patel /** 2f13bbc2fSNeel Patel * Copyright 2013 Cisco Systems, Inc. All rights reserved. 3f13bbc2fSNeel Patel * 4f13bbc2fSNeel Patel * This program is free software; you may redistribute it and/or modify 5f13bbc2fSNeel Patel * it under the terms of the GNU General Public License as published by 6f13bbc2fSNeel Patel * the Free Software Foundation; version 2 of the License. 7f13bbc2fSNeel Patel * 8f13bbc2fSNeel Patel * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 9f13bbc2fSNeel Patel * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 10f13bbc2fSNeel Patel * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 11f13bbc2fSNeel Patel * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS 12f13bbc2fSNeel Patel * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN 13f13bbc2fSNeel Patel * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 14f13bbc2fSNeel Patel * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 15f13bbc2fSNeel Patel * SOFTWARE. 16f13bbc2fSNeel Patel * 17f13bbc2fSNeel Patel */ 18f13bbc2fSNeel Patel 19f13bbc2fSNeel Patel #include <linux/netdevice.h> 20f13bbc2fSNeel Patel #include <linux/ethtool.h> 21f13bbc2fSNeel Patel 22f13bbc2fSNeel Patel #include "enic_res.h" 23f13bbc2fSNeel Patel #include "enic.h" 24f13bbc2fSNeel Patel #include "enic_dev.h" 253762ff8fSGovindarajulu Varadarajan #include "enic_clsf.h" 264f675eb2SGovindarajulu Varadarajan #include "vnic_rss.h" 2758feff07SGovindarajulu Varadarajan #include "vnic_stats.h" 28f13bbc2fSNeel Patel 29f13bbc2fSNeel Patel struct enic_stat { 30f13bbc2fSNeel Patel char name[ETH_GSTRING_LEN]; 31f13bbc2fSNeel Patel unsigned int index; 32f13bbc2fSNeel Patel }; 33f13bbc2fSNeel Patel 34f13bbc2fSNeel Patel #define ENIC_TX_STAT(stat) { \ 35f13bbc2fSNeel Patel .name = #stat, \ 36f13bbc2fSNeel Patel .index = offsetof(struct vnic_tx_stats, stat) / sizeof(u64) \ 37f13bbc2fSNeel Patel } 38f13bbc2fSNeel Patel 39f13bbc2fSNeel Patel #define ENIC_RX_STAT(stat) { \ 40f13bbc2fSNeel Patel .name = #stat, \ 41f13bbc2fSNeel Patel .index = offsetof(struct vnic_rx_stats, stat) / sizeof(u64) \ 42f13bbc2fSNeel Patel } 43f13bbc2fSNeel Patel 4458feff07SGovindarajulu Varadarajan #define ENIC_GEN_STAT(stat) { \ 4558feff07SGovindarajulu Varadarajan .name = #stat, \ 4658feff07SGovindarajulu Varadarajan .index = offsetof(struct vnic_gen_stats, stat) / sizeof(u64)\ 4758feff07SGovindarajulu Varadarajan } 4858feff07SGovindarajulu Varadarajan 49f13bbc2fSNeel Patel static const struct enic_stat enic_tx_stats[] = { 50f13bbc2fSNeel Patel ENIC_TX_STAT(tx_frames_ok), 51f13bbc2fSNeel Patel ENIC_TX_STAT(tx_unicast_frames_ok), 52f13bbc2fSNeel Patel ENIC_TX_STAT(tx_multicast_frames_ok), 53f13bbc2fSNeel Patel ENIC_TX_STAT(tx_broadcast_frames_ok), 54f13bbc2fSNeel Patel ENIC_TX_STAT(tx_bytes_ok), 55f13bbc2fSNeel Patel ENIC_TX_STAT(tx_unicast_bytes_ok), 56f13bbc2fSNeel Patel ENIC_TX_STAT(tx_multicast_bytes_ok), 57f13bbc2fSNeel Patel ENIC_TX_STAT(tx_broadcast_bytes_ok), 58f13bbc2fSNeel Patel ENIC_TX_STAT(tx_drops), 59f13bbc2fSNeel Patel ENIC_TX_STAT(tx_errors), 60f13bbc2fSNeel Patel ENIC_TX_STAT(tx_tso), 61f13bbc2fSNeel Patel }; 62f13bbc2fSNeel Patel 63f13bbc2fSNeel Patel static const struct enic_stat enic_rx_stats[] = { 64f13bbc2fSNeel Patel ENIC_RX_STAT(rx_frames_ok), 65f13bbc2fSNeel Patel ENIC_RX_STAT(rx_frames_total), 66f13bbc2fSNeel Patel ENIC_RX_STAT(rx_unicast_frames_ok), 67f13bbc2fSNeel Patel ENIC_RX_STAT(rx_multicast_frames_ok), 68f13bbc2fSNeel Patel ENIC_RX_STAT(rx_broadcast_frames_ok), 69f13bbc2fSNeel Patel ENIC_RX_STAT(rx_bytes_ok), 70f13bbc2fSNeel Patel ENIC_RX_STAT(rx_unicast_bytes_ok), 71f13bbc2fSNeel Patel ENIC_RX_STAT(rx_multicast_bytes_ok), 72f13bbc2fSNeel Patel ENIC_RX_STAT(rx_broadcast_bytes_ok), 73f13bbc2fSNeel Patel ENIC_RX_STAT(rx_drop), 74f13bbc2fSNeel Patel ENIC_RX_STAT(rx_no_bufs), 75f13bbc2fSNeel Patel ENIC_RX_STAT(rx_errors), 76f13bbc2fSNeel Patel ENIC_RX_STAT(rx_rss), 77f13bbc2fSNeel Patel ENIC_RX_STAT(rx_crc_errors), 78f13bbc2fSNeel Patel ENIC_RX_STAT(rx_frames_64), 79f13bbc2fSNeel Patel ENIC_RX_STAT(rx_frames_127), 80f13bbc2fSNeel Patel ENIC_RX_STAT(rx_frames_255), 81f13bbc2fSNeel Patel ENIC_RX_STAT(rx_frames_511), 82f13bbc2fSNeel Patel ENIC_RX_STAT(rx_frames_1023), 83f13bbc2fSNeel Patel ENIC_RX_STAT(rx_frames_1518), 84f13bbc2fSNeel Patel ENIC_RX_STAT(rx_frames_to_max), 85f13bbc2fSNeel Patel }; 86f13bbc2fSNeel Patel 8758feff07SGovindarajulu Varadarajan static const struct enic_stat enic_gen_stats[] = { 8858feff07SGovindarajulu Varadarajan ENIC_GEN_STAT(dma_map_error), 8958feff07SGovindarajulu Varadarajan }; 9058feff07SGovindarajulu Varadarajan 91f13bbc2fSNeel Patel static const unsigned int enic_n_tx_stats = ARRAY_SIZE(enic_tx_stats); 92f13bbc2fSNeel Patel static const unsigned int enic_n_rx_stats = ARRAY_SIZE(enic_rx_stats); 9358feff07SGovindarajulu Varadarajan static const unsigned int enic_n_gen_stats = ARRAY_SIZE(enic_gen_stats); 94f13bbc2fSNeel Patel 95a20667bfSLad, Prabhakar static void enic_intr_coal_set_rx(struct enic *enic, u32 timer) 967c2ce6e6SSujith Sankar { 977c2ce6e6SSujith Sankar int i; 987c2ce6e6SSujith Sankar int intr; 997c2ce6e6SSujith Sankar 1007c2ce6e6SSujith Sankar for (i = 0; i < enic->rq_count; i++) { 1017c2ce6e6SSujith Sankar intr = enic_msix_rq_intr(enic, i); 1027c2ce6e6SSujith Sankar vnic_intr_coalescing_timer_set(&enic->intr[intr], timer); 1037c2ce6e6SSujith Sankar } 1047c2ce6e6SSujith Sankar } 1057c2ce6e6SSujith Sankar 1067659f50cSPhilippe Reynes static int enic_get_ksettings(struct net_device *netdev, 1077659f50cSPhilippe Reynes struct ethtool_link_ksettings *ecmd) 108f13bbc2fSNeel Patel { 109f13bbc2fSNeel Patel struct enic *enic = netdev_priv(netdev); 1107659f50cSPhilippe Reynes struct ethtool_link_settings *base = &ecmd->base; 111f13bbc2fSNeel Patel 1127659f50cSPhilippe Reynes ethtool_link_ksettings_add_link_mode(ecmd, supported, 1137659f50cSPhilippe Reynes 10000baseT_Full); 1147659f50cSPhilippe Reynes ethtool_link_ksettings_add_link_mode(ecmd, supported, FIBRE); 1157659f50cSPhilippe Reynes ethtool_link_ksettings_add_link_mode(ecmd, advertising, 1167659f50cSPhilippe Reynes 10000baseT_Full); 1177659f50cSPhilippe Reynes ethtool_link_ksettings_add_link_mode(ecmd, advertising, FIBRE); 1187659f50cSPhilippe Reynes base->port = PORT_FIBRE; 119f13bbc2fSNeel Patel 120f13bbc2fSNeel Patel if (netif_carrier_ok(netdev)) { 1217659f50cSPhilippe Reynes base->speed = vnic_dev_port_speed(enic->vdev); 1227659f50cSPhilippe Reynes base->duplex = DUPLEX_FULL; 123f13bbc2fSNeel Patel } else { 1247659f50cSPhilippe Reynes base->speed = SPEED_UNKNOWN; 1257659f50cSPhilippe Reynes base->duplex = DUPLEX_UNKNOWN; 126f13bbc2fSNeel Patel } 127f13bbc2fSNeel Patel 1287659f50cSPhilippe Reynes base->autoneg = AUTONEG_DISABLE; 129f13bbc2fSNeel Patel 130f13bbc2fSNeel Patel return 0; 131f13bbc2fSNeel Patel } 132f13bbc2fSNeel Patel 133f13bbc2fSNeel Patel static void enic_get_drvinfo(struct net_device *netdev, 134f13bbc2fSNeel Patel struct ethtool_drvinfo *drvinfo) 135f13bbc2fSNeel Patel { 136f13bbc2fSNeel Patel struct enic *enic = netdev_priv(netdev); 137f13bbc2fSNeel Patel struct vnic_devcmd_fw_info *fw_info; 13819b596bdSGovindarajulu Varadarajan int err; 139f13bbc2fSNeel Patel 14019b596bdSGovindarajulu Varadarajan err = enic_dev_fw_info(enic, &fw_info); 14119b596bdSGovindarajulu Varadarajan /* return only when pci_zalloc_consistent fails in vnic_dev_fw_info 14219b596bdSGovindarajulu Varadarajan * For other failures, like devcmd failure, we return previously 14319b596bdSGovindarajulu Varadarajan * recorded info. 14419b596bdSGovindarajulu Varadarajan */ 14519b596bdSGovindarajulu Varadarajan if (err == -ENOMEM) 14619b596bdSGovindarajulu Varadarajan return; 147f13bbc2fSNeel Patel 148f13bbc2fSNeel Patel strlcpy(drvinfo->driver, DRV_NAME, sizeof(drvinfo->driver)); 149f13bbc2fSNeel Patel strlcpy(drvinfo->version, DRV_VERSION, sizeof(drvinfo->version)); 150f13bbc2fSNeel Patel strlcpy(drvinfo->fw_version, fw_info->fw_version, 151f13bbc2fSNeel Patel sizeof(drvinfo->fw_version)); 152f13bbc2fSNeel Patel strlcpy(drvinfo->bus_info, pci_name(enic->pdev), 153f13bbc2fSNeel Patel sizeof(drvinfo->bus_info)); 154f13bbc2fSNeel Patel } 155f13bbc2fSNeel Patel 156f13bbc2fSNeel Patel static void enic_get_strings(struct net_device *netdev, u32 stringset, 157f13bbc2fSNeel Patel u8 *data) 158f13bbc2fSNeel Patel { 159f13bbc2fSNeel Patel unsigned int i; 160f13bbc2fSNeel Patel 161f13bbc2fSNeel Patel switch (stringset) { 162f13bbc2fSNeel Patel case ETH_SS_STATS: 163f13bbc2fSNeel Patel for (i = 0; i < enic_n_tx_stats; i++) { 164f13bbc2fSNeel Patel memcpy(data, enic_tx_stats[i].name, ETH_GSTRING_LEN); 165f13bbc2fSNeel Patel data += ETH_GSTRING_LEN; 166f13bbc2fSNeel Patel } 167f13bbc2fSNeel Patel for (i = 0; i < enic_n_rx_stats; i++) { 168f13bbc2fSNeel Patel memcpy(data, enic_rx_stats[i].name, ETH_GSTRING_LEN); 169f13bbc2fSNeel Patel data += ETH_GSTRING_LEN; 170f13bbc2fSNeel Patel } 17158feff07SGovindarajulu Varadarajan for (i = 0; i < enic_n_gen_stats; i++) { 17258feff07SGovindarajulu Varadarajan memcpy(data, enic_gen_stats[i].name, ETH_GSTRING_LEN); 17358feff07SGovindarajulu Varadarajan data += ETH_GSTRING_LEN; 17458feff07SGovindarajulu Varadarajan } 175f13bbc2fSNeel Patel break; 176f13bbc2fSNeel Patel } 177f13bbc2fSNeel Patel } 178f13bbc2fSNeel Patel 179f13bbc2fSNeel Patel static int enic_get_sset_count(struct net_device *netdev, int sset) 180f13bbc2fSNeel Patel { 181f13bbc2fSNeel Patel switch (sset) { 182f13bbc2fSNeel Patel case ETH_SS_STATS: 18358feff07SGovindarajulu Varadarajan return enic_n_tx_stats + enic_n_rx_stats + enic_n_gen_stats; 184f13bbc2fSNeel Patel default: 185f13bbc2fSNeel Patel return -EOPNOTSUPP; 186f13bbc2fSNeel Patel } 187f13bbc2fSNeel Patel } 188f13bbc2fSNeel Patel 189f13bbc2fSNeel Patel static void enic_get_ethtool_stats(struct net_device *netdev, 190f13bbc2fSNeel Patel struct ethtool_stats *stats, u64 *data) 191f13bbc2fSNeel Patel { 192f13bbc2fSNeel Patel struct enic *enic = netdev_priv(netdev); 193f13bbc2fSNeel Patel struct vnic_stats *vstats; 194f13bbc2fSNeel Patel unsigned int i; 19519b596bdSGovindarajulu Varadarajan int err; 196f13bbc2fSNeel Patel 19719b596bdSGovindarajulu Varadarajan err = enic_dev_stats_dump(enic, &vstats); 19819b596bdSGovindarajulu Varadarajan /* return only when pci_zalloc_consistent fails in vnic_dev_stats_dump 19919b596bdSGovindarajulu Varadarajan * For other failures, like devcmd failure, we return previously 20019b596bdSGovindarajulu Varadarajan * recorded stats. 20119b596bdSGovindarajulu Varadarajan */ 20219b596bdSGovindarajulu Varadarajan if (err == -ENOMEM) 20319b596bdSGovindarajulu Varadarajan return; 204f13bbc2fSNeel Patel 205f13bbc2fSNeel Patel for (i = 0; i < enic_n_tx_stats; i++) 206f13bbc2fSNeel Patel *(data++) = ((u64 *)&vstats->tx)[enic_tx_stats[i].index]; 207f13bbc2fSNeel Patel for (i = 0; i < enic_n_rx_stats; i++) 208f13bbc2fSNeel Patel *(data++) = ((u64 *)&vstats->rx)[enic_rx_stats[i].index]; 20958feff07SGovindarajulu Varadarajan for (i = 0; i < enic_n_gen_stats; i++) 21058feff07SGovindarajulu Varadarajan *(data++) = ((u64 *)&enic->gen_stats)[enic_gen_stats[i].index]; 211f13bbc2fSNeel Patel } 212f13bbc2fSNeel Patel 213f13bbc2fSNeel Patel static u32 enic_get_msglevel(struct net_device *netdev) 214f13bbc2fSNeel Patel { 215f13bbc2fSNeel Patel struct enic *enic = netdev_priv(netdev); 216f13bbc2fSNeel Patel return enic->msg_enable; 217f13bbc2fSNeel Patel } 218f13bbc2fSNeel Patel 219f13bbc2fSNeel Patel static void enic_set_msglevel(struct net_device *netdev, u32 value) 220f13bbc2fSNeel Patel { 221f13bbc2fSNeel Patel struct enic *enic = netdev_priv(netdev); 222f13bbc2fSNeel Patel enic->msg_enable = value; 223f13bbc2fSNeel Patel } 224f13bbc2fSNeel Patel 225f13bbc2fSNeel Patel static int enic_get_coalesce(struct net_device *netdev, 226f13bbc2fSNeel Patel struct ethtool_coalesce *ecmd) 227f13bbc2fSNeel Patel { 228f13bbc2fSNeel Patel struct enic *enic = netdev_priv(netdev); 2297c2ce6e6SSujith Sankar struct enic_rx_coal *rxcoal = &enic->rx_coalesce_setting; 230f13bbc2fSNeel Patel 231d9382bdaSGovindarajulu Varadarajan if (vnic_dev_get_intr_mode(enic->vdev) == VNIC_DEV_INTR_MODE_MSIX) 232f13bbc2fSNeel Patel ecmd->tx_coalesce_usecs = enic->tx_coalesce_usecs; 233f13bbc2fSNeel Patel ecmd->rx_coalesce_usecs = enic->rx_coalesce_usecs; 2347c2ce6e6SSujith Sankar if (rxcoal->use_adaptive_rx_coalesce) 2357c2ce6e6SSujith Sankar ecmd->use_adaptive_rx_coalesce = 1; 2367c2ce6e6SSujith Sankar ecmd->rx_coalesce_usecs_low = rxcoal->small_pkt_range_start; 2377c2ce6e6SSujith Sankar ecmd->rx_coalesce_usecs_high = rxcoal->range_end; 238f13bbc2fSNeel Patel 239f13bbc2fSNeel Patel return 0; 240f13bbc2fSNeel Patel } 241f13bbc2fSNeel Patel 242d9382bdaSGovindarajulu Varadarajan static int enic_coalesce_valid(struct enic *enic, 243d9382bdaSGovindarajulu Varadarajan struct ethtool_coalesce *ec) 244d9382bdaSGovindarajulu Varadarajan { 245d9382bdaSGovindarajulu Varadarajan u32 coalesce_usecs_max = vnic_dev_get_intr_coal_timer_max(enic->vdev); 246d9382bdaSGovindarajulu Varadarajan u32 rx_coalesce_usecs_high = min_t(u32, coalesce_usecs_max, 247d9382bdaSGovindarajulu Varadarajan ec->rx_coalesce_usecs_high); 248d9382bdaSGovindarajulu Varadarajan u32 rx_coalesce_usecs_low = min_t(u32, coalesce_usecs_max, 249d9382bdaSGovindarajulu Varadarajan ec->rx_coalesce_usecs_low); 250d9382bdaSGovindarajulu Varadarajan 251d9382bdaSGovindarajulu Varadarajan if (ec->rx_max_coalesced_frames || 252d9382bdaSGovindarajulu Varadarajan ec->rx_coalesce_usecs_irq || 253d9382bdaSGovindarajulu Varadarajan ec->rx_max_coalesced_frames_irq || 254d9382bdaSGovindarajulu Varadarajan ec->tx_max_coalesced_frames || 255d9382bdaSGovindarajulu Varadarajan ec->tx_coalesce_usecs_irq || 256d9382bdaSGovindarajulu Varadarajan ec->tx_max_coalesced_frames_irq || 257d9382bdaSGovindarajulu Varadarajan ec->stats_block_coalesce_usecs || 258d9382bdaSGovindarajulu Varadarajan ec->use_adaptive_tx_coalesce || 259d9382bdaSGovindarajulu Varadarajan ec->pkt_rate_low || 260d9382bdaSGovindarajulu Varadarajan ec->rx_max_coalesced_frames_low || 261d9382bdaSGovindarajulu Varadarajan ec->tx_coalesce_usecs_low || 262d9382bdaSGovindarajulu Varadarajan ec->tx_max_coalesced_frames_low || 263d9382bdaSGovindarajulu Varadarajan ec->pkt_rate_high || 264d9382bdaSGovindarajulu Varadarajan ec->rx_max_coalesced_frames_high || 265d9382bdaSGovindarajulu Varadarajan ec->tx_coalesce_usecs_high || 266d9382bdaSGovindarajulu Varadarajan ec->tx_max_coalesced_frames_high || 267d9382bdaSGovindarajulu Varadarajan ec->rate_sample_interval) 268d9382bdaSGovindarajulu Varadarajan return -EINVAL; 269d9382bdaSGovindarajulu Varadarajan 270d9382bdaSGovindarajulu Varadarajan if ((vnic_dev_get_intr_mode(enic->vdev) != VNIC_DEV_INTR_MODE_MSIX) && 271d9382bdaSGovindarajulu Varadarajan ec->tx_coalesce_usecs) 272d9382bdaSGovindarajulu Varadarajan return -EINVAL; 273d9382bdaSGovindarajulu Varadarajan 274d9382bdaSGovindarajulu Varadarajan if ((ec->tx_coalesce_usecs > coalesce_usecs_max) || 275d9382bdaSGovindarajulu Varadarajan (ec->rx_coalesce_usecs > coalesce_usecs_max) || 276d9382bdaSGovindarajulu Varadarajan (ec->rx_coalesce_usecs_low > coalesce_usecs_max) || 277d9382bdaSGovindarajulu Varadarajan (ec->rx_coalesce_usecs_high > coalesce_usecs_max)) 278d9382bdaSGovindarajulu Varadarajan netdev_info(enic->netdev, "ethtool_set_coalesce: adaptor supports max coalesce value of %d. Setting max value.\n", 279d9382bdaSGovindarajulu Varadarajan coalesce_usecs_max); 280d9382bdaSGovindarajulu Varadarajan 281d9382bdaSGovindarajulu Varadarajan if (ec->rx_coalesce_usecs_high && 282d9382bdaSGovindarajulu Varadarajan (rx_coalesce_usecs_high < 283d9382bdaSGovindarajulu Varadarajan rx_coalesce_usecs_low + ENIC_AIC_LARGE_PKT_DIFF)) 284d9382bdaSGovindarajulu Varadarajan return -EINVAL; 285d9382bdaSGovindarajulu Varadarajan 286d9382bdaSGovindarajulu Varadarajan return 0; 287d9382bdaSGovindarajulu Varadarajan } 288d9382bdaSGovindarajulu Varadarajan 289f13bbc2fSNeel Patel static int enic_set_coalesce(struct net_device *netdev, 290f13bbc2fSNeel Patel struct ethtool_coalesce *ecmd) 291f13bbc2fSNeel Patel { 292f13bbc2fSNeel Patel struct enic *enic = netdev_priv(netdev); 293f13bbc2fSNeel Patel u32 tx_coalesce_usecs; 294f13bbc2fSNeel Patel u32 rx_coalesce_usecs; 2957c2ce6e6SSujith Sankar u32 rx_coalesce_usecs_low; 2967c2ce6e6SSujith Sankar u32 rx_coalesce_usecs_high; 2977c2ce6e6SSujith Sankar u32 coalesce_usecs_max; 298f13bbc2fSNeel Patel unsigned int i, intr; 299d9382bdaSGovindarajulu Varadarajan int ret; 3007c2ce6e6SSujith Sankar struct enic_rx_coal *rxcoal = &enic->rx_coalesce_setting; 301f13bbc2fSNeel Patel 302d9382bdaSGovindarajulu Varadarajan ret = enic_coalesce_valid(enic, ecmd); 303d9382bdaSGovindarajulu Varadarajan if (ret) 304d9382bdaSGovindarajulu Varadarajan return ret; 3057c2ce6e6SSujith Sankar coalesce_usecs_max = vnic_dev_get_intr_coal_timer_max(enic->vdev); 306f13bbc2fSNeel Patel tx_coalesce_usecs = min_t(u32, ecmd->tx_coalesce_usecs, 3077c2ce6e6SSujith Sankar coalesce_usecs_max); 308f13bbc2fSNeel Patel rx_coalesce_usecs = min_t(u32, ecmd->rx_coalesce_usecs, 3097c2ce6e6SSujith Sankar coalesce_usecs_max); 3107c2ce6e6SSujith Sankar 3117c2ce6e6SSujith Sankar rx_coalesce_usecs_low = min_t(u32, ecmd->rx_coalesce_usecs_low, 3127c2ce6e6SSujith Sankar coalesce_usecs_max); 3137c2ce6e6SSujith Sankar rx_coalesce_usecs_high = min_t(u32, ecmd->rx_coalesce_usecs_high, 3147c2ce6e6SSujith Sankar coalesce_usecs_max); 315f13bbc2fSNeel Patel 316d9382bdaSGovindarajulu Varadarajan if (vnic_dev_get_intr_mode(enic->vdev) == VNIC_DEV_INTR_MODE_MSIX) { 317f13bbc2fSNeel Patel for (i = 0; i < enic->wq_count; i++) { 318f13bbc2fSNeel Patel intr = enic_msix_wq_intr(enic, i); 319f13bbc2fSNeel Patel vnic_intr_coalescing_timer_set(&enic->intr[intr], 320f13bbc2fSNeel Patel tx_coalesce_usecs); 321f13bbc2fSNeel Patel } 322d9382bdaSGovindarajulu Varadarajan enic->tx_coalesce_usecs = tx_coalesce_usecs; 323d9382bdaSGovindarajulu Varadarajan } 324d9382bdaSGovindarajulu Varadarajan rxcoal->use_adaptive_rx_coalesce = !!ecmd->use_adaptive_rx_coalesce; 325a16a3361SGovindarajulu Varadarajan if (!rxcoal->use_adaptive_rx_coalesce) 3267c2ce6e6SSujith Sankar enic_intr_coal_set_rx(enic, rx_coalesce_usecs); 3277c2ce6e6SSujith Sankar if (ecmd->rx_coalesce_usecs_high) { 3287c2ce6e6SSujith Sankar rxcoal->range_end = rx_coalesce_usecs_high; 3297c2ce6e6SSujith Sankar rxcoal->small_pkt_range_start = rx_coalesce_usecs_low; 3307c2ce6e6SSujith Sankar rxcoal->large_pkt_range_start = rx_coalesce_usecs_low + 3317c2ce6e6SSujith Sankar ENIC_AIC_LARGE_PKT_DIFF; 3327c2ce6e6SSujith Sankar } 333f13bbc2fSNeel Patel 334f13bbc2fSNeel Patel enic->rx_coalesce_usecs = rx_coalesce_usecs; 335f13bbc2fSNeel Patel 336f13bbc2fSNeel Patel return 0; 337f13bbc2fSNeel Patel } 338f13bbc2fSNeel Patel 3393762ff8fSGovindarajulu Varadarajan static int enic_grxclsrlall(struct enic *enic, struct ethtool_rxnfc *cmd, 3403762ff8fSGovindarajulu Varadarajan u32 *rule_locs) 3413762ff8fSGovindarajulu Varadarajan { 3423762ff8fSGovindarajulu Varadarajan int j, ret = 0, cnt = 0; 3433762ff8fSGovindarajulu Varadarajan 3443762ff8fSGovindarajulu Varadarajan cmd->data = enic->rfs_h.max - enic->rfs_h.free; 3453762ff8fSGovindarajulu Varadarajan for (j = 0; j < (1 << ENIC_RFS_FLW_BITSHIFT); j++) { 3463762ff8fSGovindarajulu Varadarajan struct hlist_head *hhead; 3473762ff8fSGovindarajulu Varadarajan struct hlist_node *tmp; 3483762ff8fSGovindarajulu Varadarajan struct enic_rfs_fltr_node *n; 3493762ff8fSGovindarajulu Varadarajan 3503762ff8fSGovindarajulu Varadarajan hhead = &enic->rfs_h.ht_head[j]; 3513762ff8fSGovindarajulu Varadarajan hlist_for_each_entry_safe(n, tmp, hhead, node) { 3523762ff8fSGovindarajulu Varadarajan if (cnt == cmd->rule_cnt) 3533762ff8fSGovindarajulu Varadarajan return -EMSGSIZE; 3543762ff8fSGovindarajulu Varadarajan rule_locs[cnt] = n->fltr_id; 3553762ff8fSGovindarajulu Varadarajan cnt++; 3563762ff8fSGovindarajulu Varadarajan } 3573762ff8fSGovindarajulu Varadarajan } 3583762ff8fSGovindarajulu Varadarajan cmd->rule_cnt = cnt; 3593762ff8fSGovindarajulu Varadarajan 3603762ff8fSGovindarajulu Varadarajan return ret; 3613762ff8fSGovindarajulu Varadarajan } 3623762ff8fSGovindarajulu Varadarajan 3633762ff8fSGovindarajulu Varadarajan static int enic_grxclsrule(struct enic *enic, struct ethtool_rxnfc *cmd) 3643762ff8fSGovindarajulu Varadarajan { 3653762ff8fSGovindarajulu Varadarajan struct ethtool_rx_flow_spec *fsp = 3663762ff8fSGovindarajulu Varadarajan (struct ethtool_rx_flow_spec *)&cmd->fs; 3673762ff8fSGovindarajulu Varadarajan struct enic_rfs_fltr_node *n; 3683762ff8fSGovindarajulu Varadarajan 3693762ff8fSGovindarajulu Varadarajan n = htbl_fltr_search(enic, (u16)fsp->location); 3703762ff8fSGovindarajulu Varadarajan if (!n) 3713762ff8fSGovindarajulu Varadarajan return -EINVAL; 37206635a35SJiri Pirko switch (n->keys.basic.ip_proto) { 3733762ff8fSGovindarajulu Varadarajan case IPPROTO_TCP: 3743762ff8fSGovindarajulu Varadarajan fsp->flow_type = TCP_V4_FLOW; 3753762ff8fSGovindarajulu Varadarajan break; 3763762ff8fSGovindarajulu Varadarajan case IPPROTO_UDP: 3773762ff8fSGovindarajulu Varadarajan fsp->flow_type = UDP_V4_FLOW; 3783762ff8fSGovindarajulu Varadarajan break; 3793762ff8fSGovindarajulu Varadarajan default: 3803762ff8fSGovindarajulu Varadarajan return -EINVAL; 3813762ff8fSGovindarajulu Varadarajan break; 3823762ff8fSGovindarajulu Varadarajan } 3833762ff8fSGovindarajulu Varadarajan 384c3f83241STom Herbert fsp->h_u.tcp_ip4_spec.ip4src = flow_get_u32_src(&n->keys); 3853762ff8fSGovindarajulu Varadarajan fsp->m_u.tcp_ip4_spec.ip4src = (__u32)~0; 3863762ff8fSGovindarajulu Varadarajan 387c3f83241STom Herbert fsp->h_u.tcp_ip4_spec.ip4dst = flow_get_u32_dst(&n->keys); 3883762ff8fSGovindarajulu Varadarajan fsp->m_u.tcp_ip4_spec.ip4dst = (__u32)~0; 3893762ff8fSGovindarajulu Varadarajan 39059346afeSJiri Pirko fsp->h_u.tcp_ip4_spec.psrc = n->keys.ports.src; 3913762ff8fSGovindarajulu Varadarajan fsp->m_u.tcp_ip4_spec.psrc = (__u16)~0; 3923762ff8fSGovindarajulu Varadarajan 39359346afeSJiri Pirko fsp->h_u.tcp_ip4_spec.pdst = n->keys.ports.dst; 3943762ff8fSGovindarajulu Varadarajan fsp->m_u.tcp_ip4_spec.pdst = (__u16)~0; 3953762ff8fSGovindarajulu Varadarajan 3963762ff8fSGovindarajulu Varadarajan fsp->ring_cookie = n->rq_id; 3973762ff8fSGovindarajulu Varadarajan 3983762ff8fSGovindarajulu Varadarajan return 0; 3993762ff8fSGovindarajulu Varadarajan } 4003762ff8fSGovindarajulu Varadarajan 4013762ff8fSGovindarajulu Varadarajan static int enic_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd, 4023762ff8fSGovindarajulu Varadarajan u32 *rule_locs) 4033762ff8fSGovindarajulu Varadarajan { 4043762ff8fSGovindarajulu Varadarajan struct enic *enic = netdev_priv(dev); 4053762ff8fSGovindarajulu Varadarajan int ret = 0; 4063762ff8fSGovindarajulu Varadarajan 4073762ff8fSGovindarajulu Varadarajan switch (cmd->cmd) { 4083762ff8fSGovindarajulu Varadarajan case ETHTOOL_GRXRINGS: 4093762ff8fSGovindarajulu Varadarajan cmd->data = enic->rq_count; 4103762ff8fSGovindarajulu Varadarajan break; 4113762ff8fSGovindarajulu Varadarajan case ETHTOOL_GRXCLSRLCNT: 4123762ff8fSGovindarajulu Varadarajan spin_lock_bh(&enic->rfs_h.lock); 4133762ff8fSGovindarajulu Varadarajan cmd->rule_cnt = enic->rfs_h.max - enic->rfs_h.free; 4143762ff8fSGovindarajulu Varadarajan cmd->data = enic->rfs_h.max; 4153762ff8fSGovindarajulu Varadarajan spin_unlock_bh(&enic->rfs_h.lock); 4163762ff8fSGovindarajulu Varadarajan break; 4173762ff8fSGovindarajulu Varadarajan case ETHTOOL_GRXCLSRLALL: 4183762ff8fSGovindarajulu Varadarajan spin_lock_bh(&enic->rfs_h.lock); 4193762ff8fSGovindarajulu Varadarajan ret = enic_grxclsrlall(enic, cmd, rule_locs); 4203762ff8fSGovindarajulu Varadarajan spin_unlock_bh(&enic->rfs_h.lock); 4213762ff8fSGovindarajulu Varadarajan break; 4223762ff8fSGovindarajulu Varadarajan case ETHTOOL_GRXCLSRULE: 4233762ff8fSGovindarajulu Varadarajan spin_lock_bh(&enic->rfs_h.lock); 4243762ff8fSGovindarajulu Varadarajan ret = enic_grxclsrule(enic, cmd); 4253762ff8fSGovindarajulu Varadarajan spin_unlock_bh(&enic->rfs_h.lock); 4263762ff8fSGovindarajulu Varadarajan break; 4273762ff8fSGovindarajulu Varadarajan default: 4283762ff8fSGovindarajulu Varadarajan ret = -EOPNOTSUPP; 4293762ff8fSGovindarajulu Varadarajan break; 4303762ff8fSGovindarajulu Varadarajan } 4313762ff8fSGovindarajulu Varadarajan 4323762ff8fSGovindarajulu Varadarajan return ret; 4333762ff8fSGovindarajulu Varadarajan } 4343762ff8fSGovindarajulu Varadarajan 435d4ad30b1SGovindarajulu Varadarajan static int enic_get_tunable(struct net_device *dev, 436d4ad30b1SGovindarajulu Varadarajan const struct ethtool_tunable *tuna, void *data) 437d4ad30b1SGovindarajulu Varadarajan { 438d4ad30b1SGovindarajulu Varadarajan struct enic *enic = netdev_priv(dev); 439d4ad30b1SGovindarajulu Varadarajan int ret = 0; 440d4ad30b1SGovindarajulu Varadarajan 441d4ad30b1SGovindarajulu Varadarajan switch (tuna->id) { 442d4ad30b1SGovindarajulu Varadarajan case ETHTOOL_RX_COPYBREAK: 443d4ad30b1SGovindarajulu Varadarajan *(u32 *)data = enic->rx_copybreak; 444d4ad30b1SGovindarajulu Varadarajan break; 445d4ad30b1SGovindarajulu Varadarajan default: 446d4ad30b1SGovindarajulu Varadarajan ret = -EINVAL; 447d4ad30b1SGovindarajulu Varadarajan break; 448d4ad30b1SGovindarajulu Varadarajan } 449d4ad30b1SGovindarajulu Varadarajan 450d4ad30b1SGovindarajulu Varadarajan return ret; 451d4ad30b1SGovindarajulu Varadarajan } 452d4ad30b1SGovindarajulu Varadarajan 453d4ad30b1SGovindarajulu Varadarajan static int enic_set_tunable(struct net_device *dev, 454d4ad30b1SGovindarajulu Varadarajan const struct ethtool_tunable *tuna, 455d4ad30b1SGovindarajulu Varadarajan const void *data) 456d4ad30b1SGovindarajulu Varadarajan { 457d4ad30b1SGovindarajulu Varadarajan struct enic *enic = netdev_priv(dev); 458d4ad30b1SGovindarajulu Varadarajan int ret = 0; 459d4ad30b1SGovindarajulu Varadarajan 460d4ad30b1SGovindarajulu Varadarajan switch (tuna->id) { 461d4ad30b1SGovindarajulu Varadarajan case ETHTOOL_RX_COPYBREAK: 462d4ad30b1SGovindarajulu Varadarajan enic->rx_copybreak = *(u32 *)data; 463d4ad30b1SGovindarajulu Varadarajan break; 464d4ad30b1SGovindarajulu Varadarajan default: 465d4ad30b1SGovindarajulu Varadarajan ret = -EINVAL; 466d4ad30b1SGovindarajulu Varadarajan break; 467d4ad30b1SGovindarajulu Varadarajan } 468d4ad30b1SGovindarajulu Varadarajan 469d4ad30b1SGovindarajulu Varadarajan return ret; 470d4ad30b1SGovindarajulu Varadarajan } 471d4ad30b1SGovindarajulu Varadarajan 4724f675eb2SGovindarajulu Varadarajan static u32 enic_get_rxfh_key_size(struct net_device *netdev) 4734f675eb2SGovindarajulu Varadarajan { 4744f675eb2SGovindarajulu Varadarajan return ENIC_RSS_LEN; 4754f675eb2SGovindarajulu Varadarajan } 4764f675eb2SGovindarajulu Varadarajan 4774f675eb2SGovindarajulu Varadarajan static int enic_get_rxfh(struct net_device *netdev, u32 *indir, u8 *hkey, 4784f675eb2SGovindarajulu Varadarajan u8 *hfunc) 4794f675eb2SGovindarajulu Varadarajan { 4804f675eb2SGovindarajulu Varadarajan struct enic *enic = netdev_priv(netdev); 4814f675eb2SGovindarajulu Varadarajan 4824f675eb2SGovindarajulu Varadarajan if (hkey) 4834f675eb2SGovindarajulu Varadarajan memcpy(hkey, enic->rss_key, ENIC_RSS_LEN); 4844f675eb2SGovindarajulu Varadarajan 4854f675eb2SGovindarajulu Varadarajan if (hfunc) 4864f675eb2SGovindarajulu Varadarajan *hfunc = ETH_RSS_HASH_TOP; 4874f675eb2SGovindarajulu Varadarajan 4884f675eb2SGovindarajulu Varadarajan return 0; 4894f675eb2SGovindarajulu Varadarajan } 4904f675eb2SGovindarajulu Varadarajan 4914f675eb2SGovindarajulu Varadarajan static int enic_set_rxfh(struct net_device *netdev, const u32 *indir, 4924f675eb2SGovindarajulu Varadarajan const u8 *hkey, const u8 hfunc) 4934f675eb2SGovindarajulu Varadarajan { 4944f675eb2SGovindarajulu Varadarajan struct enic *enic = netdev_priv(netdev); 4954f675eb2SGovindarajulu Varadarajan 4964f675eb2SGovindarajulu Varadarajan if ((hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP) || 4974f675eb2SGovindarajulu Varadarajan indir) 4984f675eb2SGovindarajulu Varadarajan return -EINVAL; 4994f675eb2SGovindarajulu Varadarajan 5004f675eb2SGovindarajulu Varadarajan if (hkey) 5014f675eb2SGovindarajulu Varadarajan memcpy(enic->rss_key, hkey, ENIC_RSS_LEN); 5024f675eb2SGovindarajulu Varadarajan 5034f675eb2SGovindarajulu Varadarajan return __enic_set_rsskey(enic); 5044f675eb2SGovindarajulu Varadarajan } 5054f675eb2SGovindarajulu Varadarajan 506f13bbc2fSNeel Patel static const struct ethtool_ops enic_ethtool_ops = { 507f13bbc2fSNeel Patel .get_drvinfo = enic_get_drvinfo, 508f13bbc2fSNeel Patel .get_msglevel = enic_get_msglevel, 509f13bbc2fSNeel Patel .set_msglevel = enic_set_msglevel, 510f13bbc2fSNeel Patel .get_link = ethtool_op_get_link, 511f13bbc2fSNeel Patel .get_strings = enic_get_strings, 512f13bbc2fSNeel Patel .get_sset_count = enic_get_sset_count, 513f13bbc2fSNeel Patel .get_ethtool_stats = enic_get_ethtool_stats, 514f13bbc2fSNeel Patel .get_coalesce = enic_get_coalesce, 515f13bbc2fSNeel Patel .set_coalesce = enic_set_coalesce, 5163762ff8fSGovindarajulu Varadarajan .get_rxnfc = enic_get_rxnfc, 517d4ad30b1SGovindarajulu Varadarajan .get_tunable = enic_get_tunable, 518d4ad30b1SGovindarajulu Varadarajan .set_tunable = enic_set_tunable, 5194f675eb2SGovindarajulu Varadarajan .get_rxfh_key_size = enic_get_rxfh_key_size, 5204f675eb2SGovindarajulu Varadarajan .get_rxfh = enic_get_rxfh, 5214f675eb2SGovindarajulu Varadarajan .set_rxfh = enic_set_rxfh, 5227659f50cSPhilippe Reynes .get_link_ksettings = enic_get_ksettings, 523f13bbc2fSNeel Patel }; 524f13bbc2fSNeel Patel 525f13bbc2fSNeel Patel void enic_set_ethtool_ops(struct net_device *netdev) 526f13bbc2fSNeel Patel { 5277ad24ea4SWilfried Klaebe netdev->ethtool_ops = &enic_ethtool_ops; 528f13bbc2fSNeel Patel } 529