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> 21fb7516d4SGovindarajulu Varadarajan #include <linux/net_tstamp.h> 22f13bbc2fSNeel Patel 23f13bbc2fSNeel Patel #include "enic_res.h" 24f13bbc2fSNeel Patel #include "enic.h" 25f13bbc2fSNeel Patel #include "enic_dev.h" 263762ff8fSGovindarajulu Varadarajan #include "enic_clsf.h" 274f675eb2SGovindarajulu Varadarajan #include "vnic_rss.h" 2858feff07SGovindarajulu Varadarajan #include "vnic_stats.h" 29f13bbc2fSNeel Patel 30f13bbc2fSNeel Patel struct enic_stat { 31f13bbc2fSNeel Patel char name[ETH_GSTRING_LEN]; 32f13bbc2fSNeel Patel unsigned int index; 33f13bbc2fSNeel Patel }; 34f13bbc2fSNeel Patel 35f13bbc2fSNeel Patel #define ENIC_TX_STAT(stat) { \ 36f13bbc2fSNeel Patel .name = #stat, \ 37f13bbc2fSNeel Patel .index = offsetof(struct vnic_tx_stats, stat) / sizeof(u64) \ 38f13bbc2fSNeel Patel } 39f13bbc2fSNeel Patel 40f13bbc2fSNeel Patel #define ENIC_RX_STAT(stat) { \ 41f13bbc2fSNeel Patel .name = #stat, \ 42f13bbc2fSNeel Patel .index = offsetof(struct vnic_rx_stats, stat) / sizeof(u64) \ 43f13bbc2fSNeel Patel } 44f13bbc2fSNeel Patel 4558feff07SGovindarajulu Varadarajan #define ENIC_GEN_STAT(stat) { \ 4658feff07SGovindarajulu Varadarajan .name = #stat, \ 4758feff07SGovindarajulu Varadarajan .index = offsetof(struct vnic_gen_stats, stat) / sizeof(u64)\ 4858feff07SGovindarajulu Varadarajan } 4958feff07SGovindarajulu Varadarajan 50f13bbc2fSNeel Patel static const struct enic_stat enic_tx_stats[] = { 51f13bbc2fSNeel Patel ENIC_TX_STAT(tx_frames_ok), 52f13bbc2fSNeel Patel ENIC_TX_STAT(tx_unicast_frames_ok), 53f13bbc2fSNeel Patel ENIC_TX_STAT(tx_multicast_frames_ok), 54f13bbc2fSNeel Patel ENIC_TX_STAT(tx_broadcast_frames_ok), 55f13bbc2fSNeel Patel ENIC_TX_STAT(tx_bytes_ok), 56f13bbc2fSNeel Patel ENIC_TX_STAT(tx_unicast_bytes_ok), 57f13bbc2fSNeel Patel ENIC_TX_STAT(tx_multicast_bytes_ok), 58f13bbc2fSNeel Patel ENIC_TX_STAT(tx_broadcast_bytes_ok), 59f13bbc2fSNeel Patel ENIC_TX_STAT(tx_drops), 60f13bbc2fSNeel Patel ENIC_TX_STAT(tx_errors), 61f13bbc2fSNeel Patel ENIC_TX_STAT(tx_tso), 62f13bbc2fSNeel Patel }; 63f13bbc2fSNeel Patel 64f13bbc2fSNeel Patel static const struct enic_stat enic_rx_stats[] = { 65f13bbc2fSNeel Patel ENIC_RX_STAT(rx_frames_ok), 66f13bbc2fSNeel Patel ENIC_RX_STAT(rx_frames_total), 67f13bbc2fSNeel Patel ENIC_RX_STAT(rx_unicast_frames_ok), 68f13bbc2fSNeel Patel ENIC_RX_STAT(rx_multicast_frames_ok), 69f13bbc2fSNeel Patel ENIC_RX_STAT(rx_broadcast_frames_ok), 70f13bbc2fSNeel Patel ENIC_RX_STAT(rx_bytes_ok), 71f13bbc2fSNeel Patel ENIC_RX_STAT(rx_unicast_bytes_ok), 72f13bbc2fSNeel Patel ENIC_RX_STAT(rx_multicast_bytes_ok), 73f13bbc2fSNeel Patel ENIC_RX_STAT(rx_broadcast_bytes_ok), 74f13bbc2fSNeel Patel ENIC_RX_STAT(rx_drop), 75f13bbc2fSNeel Patel ENIC_RX_STAT(rx_no_bufs), 76f13bbc2fSNeel Patel ENIC_RX_STAT(rx_errors), 77f13bbc2fSNeel Patel ENIC_RX_STAT(rx_rss), 78f13bbc2fSNeel Patel ENIC_RX_STAT(rx_crc_errors), 79f13bbc2fSNeel Patel ENIC_RX_STAT(rx_frames_64), 80f13bbc2fSNeel Patel ENIC_RX_STAT(rx_frames_127), 81f13bbc2fSNeel Patel ENIC_RX_STAT(rx_frames_255), 82f13bbc2fSNeel Patel ENIC_RX_STAT(rx_frames_511), 83f13bbc2fSNeel Patel ENIC_RX_STAT(rx_frames_1023), 84f13bbc2fSNeel Patel ENIC_RX_STAT(rx_frames_1518), 85f13bbc2fSNeel Patel ENIC_RX_STAT(rx_frames_to_max), 86f13bbc2fSNeel Patel }; 87f13bbc2fSNeel Patel 8858feff07SGovindarajulu Varadarajan static const struct enic_stat enic_gen_stats[] = { 8958feff07SGovindarajulu Varadarajan ENIC_GEN_STAT(dma_map_error), 9058feff07SGovindarajulu Varadarajan }; 9158feff07SGovindarajulu Varadarajan 92f13bbc2fSNeel Patel static const unsigned int enic_n_tx_stats = ARRAY_SIZE(enic_tx_stats); 93f13bbc2fSNeel Patel static const unsigned int enic_n_rx_stats = ARRAY_SIZE(enic_rx_stats); 9458feff07SGovindarajulu Varadarajan static const unsigned int enic_n_gen_stats = ARRAY_SIZE(enic_gen_stats); 95f13bbc2fSNeel Patel 96a20667bfSLad, Prabhakar static void enic_intr_coal_set_rx(struct enic *enic, u32 timer) 977c2ce6e6SSujith Sankar { 987c2ce6e6SSujith Sankar int i; 997c2ce6e6SSujith Sankar int intr; 1007c2ce6e6SSujith Sankar 1017c2ce6e6SSujith Sankar for (i = 0; i < enic->rq_count; i++) { 1027c2ce6e6SSujith Sankar intr = enic_msix_rq_intr(enic, i); 1037c2ce6e6SSujith Sankar vnic_intr_coalescing_timer_set(&enic->intr[intr], timer); 1047c2ce6e6SSujith Sankar } 1057c2ce6e6SSujith Sankar } 1067c2ce6e6SSujith Sankar 1077659f50cSPhilippe Reynes static int enic_get_ksettings(struct net_device *netdev, 1087659f50cSPhilippe Reynes struct ethtool_link_ksettings *ecmd) 109f13bbc2fSNeel Patel { 110f13bbc2fSNeel Patel struct enic *enic = netdev_priv(netdev); 1117659f50cSPhilippe Reynes struct ethtool_link_settings *base = &ecmd->base; 112f13bbc2fSNeel Patel 1137659f50cSPhilippe Reynes ethtool_link_ksettings_add_link_mode(ecmd, supported, 1147659f50cSPhilippe Reynes 10000baseT_Full); 1157659f50cSPhilippe Reynes ethtool_link_ksettings_add_link_mode(ecmd, supported, FIBRE); 1167659f50cSPhilippe Reynes ethtool_link_ksettings_add_link_mode(ecmd, advertising, 1177659f50cSPhilippe Reynes 10000baseT_Full); 1187659f50cSPhilippe Reynes ethtool_link_ksettings_add_link_mode(ecmd, advertising, FIBRE); 1197659f50cSPhilippe Reynes base->port = PORT_FIBRE; 120f13bbc2fSNeel Patel 121f13bbc2fSNeel Patel if (netif_carrier_ok(netdev)) { 1227659f50cSPhilippe Reynes base->speed = vnic_dev_port_speed(enic->vdev); 1237659f50cSPhilippe Reynes base->duplex = DUPLEX_FULL; 124f13bbc2fSNeel Patel } else { 1257659f50cSPhilippe Reynes base->speed = SPEED_UNKNOWN; 1267659f50cSPhilippe Reynes base->duplex = DUPLEX_UNKNOWN; 127f13bbc2fSNeel Patel } 128f13bbc2fSNeel Patel 1297659f50cSPhilippe Reynes base->autoneg = AUTONEG_DISABLE; 130f13bbc2fSNeel Patel 131f13bbc2fSNeel Patel return 0; 132f13bbc2fSNeel Patel } 133f13bbc2fSNeel Patel 134f13bbc2fSNeel Patel static void enic_get_drvinfo(struct net_device *netdev, 135f13bbc2fSNeel Patel struct ethtool_drvinfo *drvinfo) 136f13bbc2fSNeel Patel { 137f13bbc2fSNeel Patel struct enic *enic = netdev_priv(netdev); 138f13bbc2fSNeel Patel struct vnic_devcmd_fw_info *fw_info; 13919b596bdSGovindarajulu Varadarajan int err; 140f13bbc2fSNeel Patel 14119b596bdSGovindarajulu Varadarajan err = enic_dev_fw_info(enic, &fw_info); 14219b596bdSGovindarajulu Varadarajan /* return only when pci_zalloc_consistent fails in vnic_dev_fw_info 14319b596bdSGovindarajulu Varadarajan * For other failures, like devcmd failure, we return previously 14419b596bdSGovindarajulu Varadarajan * recorded info. 14519b596bdSGovindarajulu Varadarajan */ 14619b596bdSGovindarajulu Varadarajan if (err == -ENOMEM) 14719b596bdSGovindarajulu Varadarajan return; 148f13bbc2fSNeel Patel 149f13bbc2fSNeel Patel strlcpy(drvinfo->driver, DRV_NAME, sizeof(drvinfo->driver)); 150f13bbc2fSNeel Patel strlcpy(drvinfo->version, DRV_VERSION, sizeof(drvinfo->version)); 151f13bbc2fSNeel Patel strlcpy(drvinfo->fw_version, fw_info->fw_version, 152f13bbc2fSNeel Patel sizeof(drvinfo->fw_version)); 153f13bbc2fSNeel Patel strlcpy(drvinfo->bus_info, pci_name(enic->pdev), 154f13bbc2fSNeel Patel sizeof(drvinfo->bus_info)); 155f13bbc2fSNeel Patel } 156f13bbc2fSNeel Patel 157f13bbc2fSNeel Patel static void enic_get_strings(struct net_device *netdev, u32 stringset, 158f13bbc2fSNeel Patel u8 *data) 159f13bbc2fSNeel Patel { 160f13bbc2fSNeel Patel unsigned int i; 161f13bbc2fSNeel Patel 162f13bbc2fSNeel Patel switch (stringset) { 163f13bbc2fSNeel Patel case ETH_SS_STATS: 164f13bbc2fSNeel Patel for (i = 0; i < enic_n_tx_stats; i++) { 165f13bbc2fSNeel Patel memcpy(data, enic_tx_stats[i].name, ETH_GSTRING_LEN); 166f13bbc2fSNeel Patel data += ETH_GSTRING_LEN; 167f13bbc2fSNeel Patel } 168f13bbc2fSNeel Patel for (i = 0; i < enic_n_rx_stats; i++) { 169f13bbc2fSNeel Patel memcpy(data, enic_rx_stats[i].name, ETH_GSTRING_LEN); 170f13bbc2fSNeel Patel data += ETH_GSTRING_LEN; 171f13bbc2fSNeel Patel } 17258feff07SGovindarajulu Varadarajan for (i = 0; i < enic_n_gen_stats; i++) { 17358feff07SGovindarajulu Varadarajan memcpy(data, enic_gen_stats[i].name, ETH_GSTRING_LEN); 17458feff07SGovindarajulu Varadarajan data += ETH_GSTRING_LEN; 17558feff07SGovindarajulu Varadarajan } 176f13bbc2fSNeel Patel break; 177f13bbc2fSNeel Patel } 178f13bbc2fSNeel Patel } 179f13bbc2fSNeel Patel 180ed519b74SParvi Kaustubhi static void enic_get_ringparam(struct net_device *netdev, 181ed519b74SParvi Kaustubhi struct ethtool_ringparam *ring) 182ed519b74SParvi Kaustubhi { 183ed519b74SParvi Kaustubhi struct enic *enic = netdev_priv(netdev); 184ed519b74SParvi Kaustubhi struct vnic_enet_config *c = &enic->config; 185ed519b74SParvi Kaustubhi 186ed519b74SParvi Kaustubhi ring->rx_max_pending = ENIC_MAX_RQ_DESCS; 187ed519b74SParvi Kaustubhi ring->rx_pending = c->rq_desc_count; 188ed519b74SParvi Kaustubhi ring->tx_max_pending = ENIC_MAX_WQ_DESCS; 189ed519b74SParvi Kaustubhi ring->tx_pending = c->wq_desc_count; 190ed519b74SParvi Kaustubhi } 191ed519b74SParvi Kaustubhi 192ed519b74SParvi Kaustubhi static int enic_set_ringparam(struct net_device *netdev, 193ed519b74SParvi Kaustubhi struct ethtool_ringparam *ring) 194ed519b74SParvi Kaustubhi { 195ed519b74SParvi Kaustubhi struct enic *enic = netdev_priv(netdev); 196ed519b74SParvi Kaustubhi struct vnic_enet_config *c = &enic->config; 197ed519b74SParvi Kaustubhi int running = netif_running(netdev); 198ed519b74SParvi Kaustubhi unsigned int rx_pending; 199ed519b74SParvi Kaustubhi unsigned int tx_pending; 200ed519b74SParvi Kaustubhi int err = 0; 201ed519b74SParvi Kaustubhi 202ed519b74SParvi Kaustubhi if (ring->rx_mini_max_pending || ring->rx_mini_pending) { 203ed519b74SParvi Kaustubhi netdev_info(netdev, 204ed519b74SParvi Kaustubhi "modifying mini ring params is not supported"); 205ed519b74SParvi Kaustubhi return -EINVAL; 206ed519b74SParvi Kaustubhi } 207ed519b74SParvi Kaustubhi if (ring->rx_jumbo_max_pending || ring->rx_jumbo_pending) { 208ed519b74SParvi Kaustubhi netdev_info(netdev, 209ed519b74SParvi Kaustubhi "modifying jumbo ring params is not supported"); 210ed519b74SParvi Kaustubhi return -EINVAL; 211ed519b74SParvi Kaustubhi } 212ed519b74SParvi Kaustubhi rx_pending = c->rq_desc_count; 213ed519b74SParvi Kaustubhi tx_pending = c->wq_desc_count; 214ed519b74SParvi Kaustubhi if (ring->rx_pending > ENIC_MAX_RQ_DESCS || 215ed519b74SParvi Kaustubhi ring->rx_pending < ENIC_MIN_RQ_DESCS) { 216ed519b74SParvi Kaustubhi netdev_info(netdev, "rx pending (%u) not in range [%u,%u]", 217ed519b74SParvi Kaustubhi ring->rx_pending, ENIC_MIN_RQ_DESCS, 218ed519b74SParvi Kaustubhi ENIC_MAX_RQ_DESCS); 219ed519b74SParvi Kaustubhi return -EINVAL; 220ed519b74SParvi Kaustubhi } 221ed519b74SParvi Kaustubhi if (ring->tx_pending > ENIC_MAX_WQ_DESCS || 222ed519b74SParvi Kaustubhi ring->tx_pending < ENIC_MIN_WQ_DESCS) { 223ed519b74SParvi Kaustubhi netdev_info(netdev, "tx pending (%u) not in range [%u,%u]", 224ed519b74SParvi Kaustubhi ring->tx_pending, ENIC_MIN_WQ_DESCS, 225ed519b74SParvi Kaustubhi ENIC_MAX_WQ_DESCS); 226ed519b74SParvi Kaustubhi return -EINVAL; 227ed519b74SParvi Kaustubhi } 228ed519b74SParvi Kaustubhi if (running) 229ed519b74SParvi Kaustubhi dev_close(netdev); 230ed519b74SParvi Kaustubhi c->rq_desc_count = 231ed519b74SParvi Kaustubhi ring->rx_pending & 0xffffffe0; /* must be aligned to groups of 32 */ 232ed519b74SParvi Kaustubhi c->wq_desc_count = 233ed519b74SParvi Kaustubhi ring->tx_pending & 0xffffffe0; /* must be aligned to groups of 32 */ 234ed519b74SParvi Kaustubhi enic_free_vnic_resources(enic); 235ed519b74SParvi Kaustubhi err = enic_alloc_vnic_resources(enic); 236ed519b74SParvi Kaustubhi if (err) { 237ed519b74SParvi Kaustubhi netdev_err(netdev, 238ed519b74SParvi Kaustubhi "Failed to alloc vNIC resources, aborting\n"); 239ed519b74SParvi Kaustubhi enic_free_vnic_resources(enic); 240ed519b74SParvi Kaustubhi goto err_out; 241ed519b74SParvi Kaustubhi } 242ed519b74SParvi Kaustubhi enic_init_vnic_resources(enic); 243ed519b74SParvi Kaustubhi if (running) { 244ed519b74SParvi Kaustubhi err = dev_open(netdev); 245ed519b74SParvi Kaustubhi if (err) 246ed519b74SParvi Kaustubhi goto err_out; 247ed519b74SParvi Kaustubhi } 248ed519b74SParvi Kaustubhi return 0; 249ed519b74SParvi Kaustubhi err_out: 250ed519b74SParvi Kaustubhi c->rq_desc_count = rx_pending; 251ed519b74SParvi Kaustubhi c->wq_desc_count = tx_pending; 252ed519b74SParvi Kaustubhi return err; 253ed519b74SParvi Kaustubhi } 254ed519b74SParvi Kaustubhi 255f13bbc2fSNeel Patel static int enic_get_sset_count(struct net_device *netdev, int sset) 256f13bbc2fSNeel Patel { 257f13bbc2fSNeel Patel switch (sset) { 258f13bbc2fSNeel Patel case ETH_SS_STATS: 25958feff07SGovindarajulu Varadarajan return enic_n_tx_stats + enic_n_rx_stats + enic_n_gen_stats; 260f13bbc2fSNeel Patel default: 261f13bbc2fSNeel Patel return -EOPNOTSUPP; 262f13bbc2fSNeel Patel } 263f13bbc2fSNeel Patel } 264f13bbc2fSNeel Patel 265f13bbc2fSNeel Patel static void enic_get_ethtool_stats(struct net_device *netdev, 266f13bbc2fSNeel Patel struct ethtool_stats *stats, u64 *data) 267f13bbc2fSNeel Patel { 268f13bbc2fSNeel Patel struct enic *enic = netdev_priv(netdev); 269f13bbc2fSNeel Patel struct vnic_stats *vstats; 270f13bbc2fSNeel Patel unsigned int i; 27119b596bdSGovindarajulu Varadarajan int err; 272f13bbc2fSNeel Patel 27319b596bdSGovindarajulu Varadarajan err = enic_dev_stats_dump(enic, &vstats); 27419b596bdSGovindarajulu Varadarajan /* return only when pci_zalloc_consistent fails in vnic_dev_stats_dump 27519b596bdSGovindarajulu Varadarajan * For other failures, like devcmd failure, we return previously 27619b596bdSGovindarajulu Varadarajan * recorded stats. 27719b596bdSGovindarajulu Varadarajan */ 27819b596bdSGovindarajulu Varadarajan if (err == -ENOMEM) 27919b596bdSGovindarajulu Varadarajan return; 280f13bbc2fSNeel Patel 281f13bbc2fSNeel Patel for (i = 0; i < enic_n_tx_stats; i++) 282f13bbc2fSNeel Patel *(data++) = ((u64 *)&vstats->tx)[enic_tx_stats[i].index]; 283f13bbc2fSNeel Patel for (i = 0; i < enic_n_rx_stats; i++) 284f13bbc2fSNeel Patel *(data++) = ((u64 *)&vstats->rx)[enic_rx_stats[i].index]; 28558feff07SGovindarajulu Varadarajan for (i = 0; i < enic_n_gen_stats; i++) 28658feff07SGovindarajulu Varadarajan *(data++) = ((u64 *)&enic->gen_stats)[enic_gen_stats[i].index]; 287f13bbc2fSNeel Patel } 288f13bbc2fSNeel Patel 289f13bbc2fSNeel Patel static u32 enic_get_msglevel(struct net_device *netdev) 290f13bbc2fSNeel Patel { 291f13bbc2fSNeel Patel struct enic *enic = netdev_priv(netdev); 292f13bbc2fSNeel Patel return enic->msg_enable; 293f13bbc2fSNeel Patel } 294f13bbc2fSNeel Patel 295f13bbc2fSNeel Patel static void enic_set_msglevel(struct net_device *netdev, u32 value) 296f13bbc2fSNeel Patel { 297f13bbc2fSNeel Patel struct enic *enic = netdev_priv(netdev); 298f13bbc2fSNeel Patel enic->msg_enable = value; 299f13bbc2fSNeel Patel } 300f13bbc2fSNeel Patel 301f13bbc2fSNeel Patel static int enic_get_coalesce(struct net_device *netdev, 302f13bbc2fSNeel Patel struct ethtool_coalesce *ecmd) 303f13bbc2fSNeel Patel { 304f13bbc2fSNeel Patel struct enic *enic = netdev_priv(netdev); 3057c2ce6e6SSujith Sankar struct enic_rx_coal *rxcoal = &enic->rx_coalesce_setting; 306f13bbc2fSNeel Patel 307d9382bdaSGovindarajulu Varadarajan if (vnic_dev_get_intr_mode(enic->vdev) == VNIC_DEV_INTR_MODE_MSIX) 308f13bbc2fSNeel Patel ecmd->tx_coalesce_usecs = enic->tx_coalesce_usecs; 309f13bbc2fSNeel Patel ecmd->rx_coalesce_usecs = enic->rx_coalesce_usecs; 3107c2ce6e6SSujith Sankar if (rxcoal->use_adaptive_rx_coalesce) 3117c2ce6e6SSujith Sankar ecmd->use_adaptive_rx_coalesce = 1; 3127c2ce6e6SSujith Sankar ecmd->rx_coalesce_usecs_low = rxcoal->small_pkt_range_start; 3137c2ce6e6SSujith Sankar ecmd->rx_coalesce_usecs_high = rxcoal->range_end; 314f13bbc2fSNeel Patel 315f13bbc2fSNeel Patel return 0; 316f13bbc2fSNeel Patel } 317f13bbc2fSNeel Patel 318d9382bdaSGovindarajulu Varadarajan static int enic_coalesce_valid(struct enic *enic, 319d9382bdaSGovindarajulu Varadarajan struct ethtool_coalesce *ec) 320d9382bdaSGovindarajulu Varadarajan { 321d9382bdaSGovindarajulu Varadarajan u32 coalesce_usecs_max = vnic_dev_get_intr_coal_timer_max(enic->vdev); 322d9382bdaSGovindarajulu Varadarajan u32 rx_coalesce_usecs_high = min_t(u32, coalesce_usecs_max, 323d9382bdaSGovindarajulu Varadarajan ec->rx_coalesce_usecs_high); 324d9382bdaSGovindarajulu Varadarajan u32 rx_coalesce_usecs_low = min_t(u32, coalesce_usecs_max, 325d9382bdaSGovindarajulu Varadarajan ec->rx_coalesce_usecs_low); 326d9382bdaSGovindarajulu Varadarajan 327d9382bdaSGovindarajulu Varadarajan if (ec->rx_max_coalesced_frames || 328d9382bdaSGovindarajulu Varadarajan ec->rx_coalesce_usecs_irq || 329d9382bdaSGovindarajulu Varadarajan ec->rx_max_coalesced_frames_irq || 330d9382bdaSGovindarajulu Varadarajan ec->tx_max_coalesced_frames || 331d9382bdaSGovindarajulu Varadarajan ec->tx_coalesce_usecs_irq || 332d9382bdaSGovindarajulu Varadarajan ec->tx_max_coalesced_frames_irq || 333d9382bdaSGovindarajulu Varadarajan ec->stats_block_coalesce_usecs || 334d9382bdaSGovindarajulu Varadarajan ec->use_adaptive_tx_coalesce || 335d9382bdaSGovindarajulu Varadarajan ec->pkt_rate_low || 336d9382bdaSGovindarajulu Varadarajan ec->rx_max_coalesced_frames_low || 337d9382bdaSGovindarajulu Varadarajan ec->tx_coalesce_usecs_low || 338d9382bdaSGovindarajulu Varadarajan ec->tx_max_coalesced_frames_low || 339d9382bdaSGovindarajulu Varadarajan ec->pkt_rate_high || 340d9382bdaSGovindarajulu Varadarajan ec->rx_max_coalesced_frames_high || 341d9382bdaSGovindarajulu Varadarajan ec->tx_coalesce_usecs_high || 342d9382bdaSGovindarajulu Varadarajan ec->tx_max_coalesced_frames_high || 343d9382bdaSGovindarajulu Varadarajan ec->rate_sample_interval) 344d9382bdaSGovindarajulu Varadarajan return -EINVAL; 345d9382bdaSGovindarajulu Varadarajan 346d9382bdaSGovindarajulu Varadarajan if ((vnic_dev_get_intr_mode(enic->vdev) != VNIC_DEV_INTR_MODE_MSIX) && 347d9382bdaSGovindarajulu Varadarajan ec->tx_coalesce_usecs) 348d9382bdaSGovindarajulu Varadarajan return -EINVAL; 349d9382bdaSGovindarajulu Varadarajan 350d9382bdaSGovindarajulu Varadarajan if ((ec->tx_coalesce_usecs > coalesce_usecs_max) || 351d9382bdaSGovindarajulu Varadarajan (ec->rx_coalesce_usecs > coalesce_usecs_max) || 352d9382bdaSGovindarajulu Varadarajan (ec->rx_coalesce_usecs_low > coalesce_usecs_max) || 353d9382bdaSGovindarajulu Varadarajan (ec->rx_coalesce_usecs_high > coalesce_usecs_max)) 354d9382bdaSGovindarajulu Varadarajan netdev_info(enic->netdev, "ethtool_set_coalesce: adaptor supports max coalesce value of %d. Setting max value.\n", 355d9382bdaSGovindarajulu Varadarajan coalesce_usecs_max); 356d9382bdaSGovindarajulu Varadarajan 357d9382bdaSGovindarajulu Varadarajan if (ec->rx_coalesce_usecs_high && 358d9382bdaSGovindarajulu Varadarajan (rx_coalesce_usecs_high < 359d9382bdaSGovindarajulu Varadarajan rx_coalesce_usecs_low + ENIC_AIC_LARGE_PKT_DIFF)) 360d9382bdaSGovindarajulu Varadarajan return -EINVAL; 361d9382bdaSGovindarajulu Varadarajan 362d9382bdaSGovindarajulu Varadarajan return 0; 363d9382bdaSGovindarajulu Varadarajan } 364d9382bdaSGovindarajulu Varadarajan 365f13bbc2fSNeel Patel static int enic_set_coalesce(struct net_device *netdev, 366f13bbc2fSNeel Patel struct ethtool_coalesce *ecmd) 367f13bbc2fSNeel Patel { 368f13bbc2fSNeel Patel struct enic *enic = netdev_priv(netdev); 369f13bbc2fSNeel Patel u32 tx_coalesce_usecs; 370f13bbc2fSNeel Patel u32 rx_coalesce_usecs; 3717c2ce6e6SSujith Sankar u32 rx_coalesce_usecs_low; 3727c2ce6e6SSujith Sankar u32 rx_coalesce_usecs_high; 3737c2ce6e6SSujith Sankar u32 coalesce_usecs_max; 374f13bbc2fSNeel Patel unsigned int i, intr; 375d9382bdaSGovindarajulu Varadarajan int ret; 3767c2ce6e6SSujith Sankar struct enic_rx_coal *rxcoal = &enic->rx_coalesce_setting; 377f13bbc2fSNeel Patel 378d9382bdaSGovindarajulu Varadarajan ret = enic_coalesce_valid(enic, ecmd); 379d9382bdaSGovindarajulu Varadarajan if (ret) 380d9382bdaSGovindarajulu Varadarajan return ret; 3817c2ce6e6SSujith Sankar coalesce_usecs_max = vnic_dev_get_intr_coal_timer_max(enic->vdev); 382f13bbc2fSNeel Patel tx_coalesce_usecs = min_t(u32, ecmd->tx_coalesce_usecs, 3837c2ce6e6SSujith Sankar coalesce_usecs_max); 384f13bbc2fSNeel Patel rx_coalesce_usecs = min_t(u32, ecmd->rx_coalesce_usecs, 3857c2ce6e6SSujith Sankar coalesce_usecs_max); 3867c2ce6e6SSujith Sankar 3877c2ce6e6SSujith Sankar rx_coalesce_usecs_low = min_t(u32, ecmd->rx_coalesce_usecs_low, 3887c2ce6e6SSujith Sankar coalesce_usecs_max); 3897c2ce6e6SSujith Sankar rx_coalesce_usecs_high = min_t(u32, ecmd->rx_coalesce_usecs_high, 3907c2ce6e6SSujith Sankar coalesce_usecs_max); 391f13bbc2fSNeel Patel 392d9382bdaSGovindarajulu Varadarajan if (vnic_dev_get_intr_mode(enic->vdev) == VNIC_DEV_INTR_MODE_MSIX) { 393f13bbc2fSNeel Patel for (i = 0; i < enic->wq_count; i++) { 394f13bbc2fSNeel Patel intr = enic_msix_wq_intr(enic, i); 395f13bbc2fSNeel Patel vnic_intr_coalescing_timer_set(&enic->intr[intr], 396f13bbc2fSNeel Patel tx_coalesce_usecs); 397f13bbc2fSNeel Patel } 398d9382bdaSGovindarajulu Varadarajan enic->tx_coalesce_usecs = tx_coalesce_usecs; 399d9382bdaSGovindarajulu Varadarajan } 400d9382bdaSGovindarajulu Varadarajan rxcoal->use_adaptive_rx_coalesce = !!ecmd->use_adaptive_rx_coalesce; 401a16a3361SGovindarajulu Varadarajan if (!rxcoal->use_adaptive_rx_coalesce) 4027c2ce6e6SSujith Sankar enic_intr_coal_set_rx(enic, rx_coalesce_usecs); 4037c2ce6e6SSujith Sankar if (ecmd->rx_coalesce_usecs_high) { 4047c2ce6e6SSujith Sankar rxcoal->range_end = rx_coalesce_usecs_high; 4057c2ce6e6SSujith Sankar rxcoal->small_pkt_range_start = rx_coalesce_usecs_low; 4067c2ce6e6SSujith Sankar rxcoal->large_pkt_range_start = rx_coalesce_usecs_low + 4077c2ce6e6SSujith Sankar ENIC_AIC_LARGE_PKT_DIFF; 4087c2ce6e6SSujith Sankar } 409f13bbc2fSNeel Patel 410f13bbc2fSNeel Patel enic->rx_coalesce_usecs = rx_coalesce_usecs; 411f13bbc2fSNeel Patel 412f13bbc2fSNeel Patel return 0; 413f13bbc2fSNeel Patel } 414f13bbc2fSNeel Patel 4153762ff8fSGovindarajulu Varadarajan static int enic_grxclsrlall(struct enic *enic, struct ethtool_rxnfc *cmd, 4163762ff8fSGovindarajulu Varadarajan u32 *rule_locs) 4173762ff8fSGovindarajulu Varadarajan { 4183762ff8fSGovindarajulu Varadarajan int j, ret = 0, cnt = 0; 4193762ff8fSGovindarajulu Varadarajan 4203762ff8fSGovindarajulu Varadarajan cmd->data = enic->rfs_h.max - enic->rfs_h.free; 4213762ff8fSGovindarajulu Varadarajan for (j = 0; j < (1 << ENIC_RFS_FLW_BITSHIFT); j++) { 4223762ff8fSGovindarajulu Varadarajan struct hlist_head *hhead; 4233762ff8fSGovindarajulu Varadarajan struct hlist_node *tmp; 4243762ff8fSGovindarajulu Varadarajan struct enic_rfs_fltr_node *n; 4253762ff8fSGovindarajulu Varadarajan 4263762ff8fSGovindarajulu Varadarajan hhead = &enic->rfs_h.ht_head[j]; 4273762ff8fSGovindarajulu Varadarajan hlist_for_each_entry_safe(n, tmp, hhead, node) { 4283762ff8fSGovindarajulu Varadarajan if (cnt == cmd->rule_cnt) 4293762ff8fSGovindarajulu Varadarajan return -EMSGSIZE; 4303762ff8fSGovindarajulu Varadarajan rule_locs[cnt] = n->fltr_id; 4313762ff8fSGovindarajulu Varadarajan cnt++; 4323762ff8fSGovindarajulu Varadarajan } 4333762ff8fSGovindarajulu Varadarajan } 4343762ff8fSGovindarajulu Varadarajan cmd->rule_cnt = cnt; 4353762ff8fSGovindarajulu Varadarajan 4363762ff8fSGovindarajulu Varadarajan return ret; 4373762ff8fSGovindarajulu Varadarajan } 4383762ff8fSGovindarajulu Varadarajan 4393762ff8fSGovindarajulu Varadarajan static int enic_grxclsrule(struct enic *enic, struct ethtool_rxnfc *cmd) 4403762ff8fSGovindarajulu Varadarajan { 4413762ff8fSGovindarajulu Varadarajan struct ethtool_rx_flow_spec *fsp = 4423762ff8fSGovindarajulu Varadarajan (struct ethtool_rx_flow_spec *)&cmd->fs; 4433762ff8fSGovindarajulu Varadarajan struct enic_rfs_fltr_node *n; 4443762ff8fSGovindarajulu Varadarajan 4453762ff8fSGovindarajulu Varadarajan n = htbl_fltr_search(enic, (u16)fsp->location); 4463762ff8fSGovindarajulu Varadarajan if (!n) 4473762ff8fSGovindarajulu Varadarajan return -EINVAL; 44806635a35SJiri Pirko switch (n->keys.basic.ip_proto) { 4493762ff8fSGovindarajulu Varadarajan case IPPROTO_TCP: 4503762ff8fSGovindarajulu Varadarajan fsp->flow_type = TCP_V4_FLOW; 4513762ff8fSGovindarajulu Varadarajan break; 4523762ff8fSGovindarajulu Varadarajan case IPPROTO_UDP: 4533762ff8fSGovindarajulu Varadarajan fsp->flow_type = UDP_V4_FLOW; 4543762ff8fSGovindarajulu Varadarajan break; 4553762ff8fSGovindarajulu Varadarajan default: 4563762ff8fSGovindarajulu Varadarajan return -EINVAL; 4573762ff8fSGovindarajulu Varadarajan break; 4583762ff8fSGovindarajulu Varadarajan } 4593762ff8fSGovindarajulu Varadarajan 460c3f83241STom Herbert fsp->h_u.tcp_ip4_spec.ip4src = flow_get_u32_src(&n->keys); 4613762ff8fSGovindarajulu Varadarajan fsp->m_u.tcp_ip4_spec.ip4src = (__u32)~0; 4623762ff8fSGovindarajulu Varadarajan 463c3f83241STom Herbert fsp->h_u.tcp_ip4_spec.ip4dst = flow_get_u32_dst(&n->keys); 4643762ff8fSGovindarajulu Varadarajan fsp->m_u.tcp_ip4_spec.ip4dst = (__u32)~0; 4653762ff8fSGovindarajulu Varadarajan 46659346afeSJiri Pirko fsp->h_u.tcp_ip4_spec.psrc = n->keys.ports.src; 4673762ff8fSGovindarajulu Varadarajan fsp->m_u.tcp_ip4_spec.psrc = (__u16)~0; 4683762ff8fSGovindarajulu Varadarajan 46959346afeSJiri Pirko fsp->h_u.tcp_ip4_spec.pdst = n->keys.ports.dst; 4703762ff8fSGovindarajulu Varadarajan fsp->m_u.tcp_ip4_spec.pdst = (__u16)~0; 4713762ff8fSGovindarajulu Varadarajan 4723762ff8fSGovindarajulu Varadarajan fsp->ring_cookie = n->rq_id; 4733762ff8fSGovindarajulu Varadarajan 4743762ff8fSGovindarajulu Varadarajan return 0; 4753762ff8fSGovindarajulu Varadarajan } 4763762ff8fSGovindarajulu Varadarajan 47748398b6eSGovindarajulu Varadarajan static int enic_get_rx_flow_hash(struct enic *enic, struct ethtool_rxnfc *cmd) 47848398b6eSGovindarajulu Varadarajan { 4794016a7f1SGovindarajulu Varadarajan u8 rss_hash_type = 0; 48048398b6eSGovindarajulu Varadarajan cmd->data = 0; 48148398b6eSGovindarajulu Varadarajan 4824016a7f1SGovindarajulu Varadarajan spin_lock_bh(&enic->devcmd_lock); 4834016a7f1SGovindarajulu Varadarajan (void)vnic_dev_capable_rss_hash_type(enic->vdev, &rss_hash_type); 4844016a7f1SGovindarajulu Varadarajan spin_unlock_bh(&enic->devcmd_lock); 48548398b6eSGovindarajulu Varadarajan switch (cmd->flow_type) { 48648398b6eSGovindarajulu Varadarajan case TCP_V6_FLOW: 48748398b6eSGovindarajulu Varadarajan case TCP_V4_FLOW: 4884016a7f1SGovindarajulu Varadarajan cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3 | 4894016a7f1SGovindarajulu Varadarajan RXH_IP_SRC | RXH_IP_DST; 4904016a7f1SGovindarajulu Varadarajan break; 49148398b6eSGovindarajulu Varadarajan case UDP_V6_FLOW: 4924016a7f1SGovindarajulu Varadarajan cmd->data |= RXH_IP_SRC | RXH_IP_DST; 4934016a7f1SGovindarajulu Varadarajan if (rss_hash_type & NIC_CFG_RSS_HASH_TYPE_UDP_IPV6) 49448398b6eSGovindarajulu Varadarajan cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3; 4954016a7f1SGovindarajulu Varadarajan break; 4964016a7f1SGovindarajulu Varadarajan case UDP_V4_FLOW: 4974016a7f1SGovindarajulu Varadarajan cmd->data |= RXH_IP_SRC | RXH_IP_DST; 4984016a7f1SGovindarajulu Varadarajan if (rss_hash_type & NIC_CFG_RSS_HASH_TYPE_UDP_IPV4) 4994016a7f1SGovindarajulu Varadarajan cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3; 5004016a7f1SGovindarajulu Varadarajan break; 50148398b6eSGovindarajulu Varadarajan case SCTP_V4_FLOW: 50248398b6eSGovindarajulu Varadarajan case AH_ESP_V4_FLOW: 50348398b6eSGovindarajulu Varadarajan case AH_V4_FLOW: 50448398b6eSGovindarajulu Varadarajan case ESP_V4_FLOW: 50548398b6eSGovindarajulu Varadarajan case SCTP_V6_FLOW: 50648398b6eSGovindarajulu Varadarajan case AH_ESP_V6_FLOW: 50748398b6eSGovindarajulu Varadarajan case AH_V6_FLOW: 50848398b6eSGovindarajulu Varadarajan case ESP_V6_FLOW: 50948398b6eSGovindarajulu Varadarajan case IPV4_FLOW: 51048398b6eSGovindarajulu Varadarajan case IPV6_FLOW: 51148398b6eSGovindarajulu Varadarajan cmd->data |= RXH_IP_SRC | RXH_IP_DST; 51248398b6eSGovindarajulu Varadarajan break; 51348398b6eSGovindarajulu Varadarajan default: 51448398b6eSGovindarajulu Varadarajan return -EINVAL; 51548398b6eSGovindarajulu Varadarajan } 51648398b6eSGovindarajulu Varadarajan 51748398b6eSGovindarajulu Varadarajan return 0; 51848398b6eSGovindarajulu Varadarajan } 51948398b6eSGovindarajulu Varadarajan 5203762ff8fSGovindarajulu Varadarajan static int enic_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd, 5213762ff8fSGovindarajulu Varadarajan u32 *rule_locs) 5223762ff8fSGovindarajulu Varadarajan { 5233762ff8fSGovindarajulu Varadarajan struct enic *enic = netdev_priv(dev); 5243762ff8fSGovindarajulu Varadarajan int ret = 0; 5253762ff8fSGovindarajulu Varadarajan 5263762ff8fSGovindarajulu Varadarajan switch (cmd->cmd) { 5273762ff8fSGovindarajulu Varadarajan case ETHTOOL_GRXRINGS: 5283762ff8fSGovindarajulu Varadarajan cmd->data = enic->rq_count; 5293762ff8fSGovindarajulu Varadarajan break; 5303762ff8fSGovindarajulu Varadarajan case ETHTOOL_GRXCLSRLCNT: 5313762ff8fSGovindarajulu Varadarajan spin_lock_bh(&enic->rfs_h.lock); 5323762ff8fSGovindarajulu Varadarajan cmd->rule_cnt = enic->rfs_h.max - enic->rfs_h.free; 5333762ff8fSGovindarajulu Varadarajan cmd->data = enic->rfs_h.max; 5343762ff8fSGovindarajulu Varadarajan spin_unlock_bh(&enic->rfs_h.lock); 5353762ff8fSGovindarajulu Varadarajan break; 5363762ff8fSGovindarajulu Varadarajan case ETHTOOL_GRXCLSRLALL: 5373762ff8fSGovindarajulu Varadarajan spin_lock_bh(&enic->rfs_h.lock); 5383762ff8fSGovindarajulu Varadarajan ret = enic_grxclsrlall(enic, cmd, rule_locs); 5393762ff8fSGovindarajulu Varadarajan spin_unlock_bh(&enic->rfs_h.lock); 5403762ff8fSGovindarajulu Varadarajan break; 5413762ff8fSGovindarajulu Varadarajan case ETHTOOL_GRXCLSRULE: 5423762ff8fSGovindarajulu Varadarajan spin_lock_bh(&enic->rfs_h.lock); 5433762ff8fSGovindarajulu Varadarajan ret = enic_grxclsrule(enic, cmd); 5443762ff8fSGovindarajulu Varadarajan spin_unlock_bh(&enic->rfs_h.lock); 5453762ff8fSGovindarajulu Varadarajan break; 54648398b6eSGovindarajulu Varadarajan case ETHTOOL_GRXFH: 54748398b6eSGovindarajulu Varadarajan ret = enic_get_rx_flow_hash(enic, cmd); 54848398b6eSGovindarajulu Varadarajan break; 5493762ff8fSGovindarajulu Varadarajan default: 5503762ff8fSGovindarajulu Varadarajan ret = -EOPNOTSUPP; 5513762ff8fSGovindarajulu Varadarajan break; 5523762ff8fSGovindarajulu Varadarajan } 5533762ff8fSGovindarajulu Varadarajan 5543762ff8fSGovindarajulu Varadarajan return ret; 5553762ff8fSGovindarajulu Varadarajan } 5563762ff8fSGovindarajulu Varadarajan 557d4ad30b1SGovindarajulu Varadarajan static int enic_get_tunable(struct net_device *dev, 558d4ad30b1SGovindarajulu Varadarajan const struct ethtool_tunable *tuna, void *data) 559d4ad30b1SGovindarajulu Varadarajan { 560d4ad30b1SGovindarajulu Varadarajan struct enic *enic = netdev_priv(dev); 561d4ad30b1SGovindarajulu Varadarajan int ret = 0; 562d4ad30b1SGovindarajulu Varadarajan 563d4ad30b1SGovindarajulu Varadarajan switch (tuna->id) { 564d4ad30b1SGovindarajulu Varadarajan case ETHTOOL_RX_COPYBREAK: 565d4ad30b1SGovindarajulu Varadarajan *(u32 *)data = enic->rx_copybreak; 566d4ad30b1SGovindarajulu Varadarajan break; 567d4ad30b1SGovindarajulu Varadarajan default: 568d4ad30b1SGovindarajulu Varadarajan ret = -EINVAL; 569d4ad30b1SGovindarajulu Varadarajan break; 570d4ad30b1SGovindarajulu Varadarajan } 571d4ad30b1SGovindarajulu Varadarajan 572d4ad30b1SGovindarajulu Varadarajan return ret; 573d4ad30b1SGovindarajulu Varadarajan } 574d4ad30b1SGovindarajulu Varadarajan 575d4ad30b1SGovindarajulu Varadarajan static int enic_set_tunable(struct net_device *dev, 576d4ad30b1SGovindarajulu Varadarajan const struct ethtool_tunable *tuna, 577d4ad30b1SGovindarajulu Varadarajan const void *data) 578d4ad30b1SGovindarajulu Varadarajan { 579d4ad30b1SGovindarajulu Varadarajan struct enic *enic = netdev_priv(dev); 580d4ad30b1SGovindarajulu Varadarajan int ret = 0; 581d4ad30b1SGovindarajulu Varadarajan 582d4ad30b1SGovindarajulu Varadarajan switch (tuna->id) { 583d4ad30b1SGovindarajulu Varadarajan case ETHTOOL_RX_COPYBREAK: 584d4ad30b1SGovindarajulu Varadarajan enic->rx_copybreak = *(u32 *)data; 585d4ad30b1SGovindarajulu Varadarajan break; 586d4ad30b1SGovindarajulu Varadarajan default: 587d4ad30b1SGovindarajulu Varadarajan ret = -EINVAL; 588d4ad30b1SGovindarajulu Varadarajan break; 589d4ad30b1SGovindarajulu Varadarajan } 590d4ad30b1SGovindarajulu Varadarajan 591d4ad30b1SGovindarajulu Varadarajan return ret; 592d4ad30b1SGovindarajulu Varadarajan } 593d4ad30b1SGovindarajulu Varadarajan 5944f675eb2SGovindarajulu Varadarajan static u32 enic_get_rxfh_key_size(struct net_device *netdev) 5954f675eb2SGovindarajulu Varadarajan { 5964f675eb2SGovindarajulu Varadarajan return ENIC_RSS_LEN; 5974f675eb2SGovindarajulu Varadarajan } 5984f675eb2SGovindarajulu Varadarajan 5994f675eb2SGovindarajulu Varadarajan static int enic_get_rxfh(struct net_device *netdev, u32 *indir, u8 *hkey, 6004f675eb2SGovindarajulu Varadarajan u8 *hfunc) 6014f675eb2SGovindarajulu Varadarajan { 6024f675eb2SGovindarajulu Varadarajan struct enic *enic = netdev_priv(netdev); 6034f675eb2SGovindarajulu Varadarajan 6044f675eb2SGovindarajulu Varadarajan if (hkey) 6054f675eb2SGovindarajulu Varadarajan memcpy(hkey, enic->rss_key, ENIC_RSS_LEN); 6064f675eb2SGovindarajulu Varadarajan 6074f675eb2SGovindarajulu Varadarajan if (hfunc) 6084f675eb2SGovindarajulu Varadarajan *hfunc = ETH_RSS_HASH_TOP; 6094f675eb2SGovindarajulu Varadarajan 6104f675eb2SGovindarajulu Varadarajan return 0; 6114f675eb2SGovindarajulu Varadarajan } 6124f675eb2SGovindarajulu Varadarajan 6134f675eb2SGovindarajulu Varadarajan static int enic_set_rxfh(struct net_device *netdev, const u32 *indir, 6144f675eb2SGovindarajulu Varadarajan const u8 *hkey, const u8 hfunc) 6154f675eb2SGovindarajulu Varadarajan { 6164f675eb2SGovindarajulu Varadarajan struct enic *enic = netdev_priv(netdev); 6174f675eb2SGovindarajulu Varadarajan 6184f675eb2SGovindarajulu Varadarajan if ((hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP) || 6194f675eb2SGovindarajulu Varadarajan indir) 6204f675eb2SGovindarajulu Varadarajan return -EINVAL; 6214f675eb2SGovindarajulu Varadarajan 6224f675eb2SGovindarajulu Varadarajan if (hkey) 6234f675eb2SGovindarajulu Varadarajan memcpy(enic->rss_key, hkey, ENIC_RSS_LEN); 6244f675eb2SGovindarajulu Varadarajan 6254f675eb2SGovindarajulu Varadarajan return __enic_set_rsskey(enic); 6264f675eb2SGovindarajulu Varadarajan } 6274f675eb2SGovindarajulu Varadarajan 628fb7516d4SGovindarajulu Varadarajan static int enic_get_ts_info(struct net_device *netdev, 629fb7516d4SGovindarajulu Varadarajan struct ethtool_ts_info *info) 630fb7516d4SGovindarajulu Varadarajan { 631fb7516d4SGovindarajulu Varadarajan info->so_timestamping = SOF_TIMESTAMPING_TX_SOFTWARE | 632fb7516d4SGovindarajulu Varadarajan SOF_TIMESTAMPING_RX_SOFTWARE | 633fb7516d4SGovindarajulu Varadarajan SOF_TIMESTAMPING_SOFTWARE; 634fb7516d4SGovindarajulu Varadarajan 635fb7516d4SGovindarajulu Varadarajan return 0; 636fb7516d4SGovindarajulu Varadarajan } 637fb7516d4SGovindarajulu Varadarajan 638f13bbc2fSNeel Patel static const struct ethtool_ops enic_ethtool_ops = { 639f13bbc2fSNeel Patel .get_drvinfo = enic_get_drvinfo, 640f13bbc2fSNeel Patel .get_msglevel = enic_get_msglevel, 641f13bbc2fSNeel Patel .set_msglevel = enic_set_msglevel, 642f13bbc2fSNeel Patel .get_link = ethtool_op_get_link, 643f13bbc2fSNeel Patel .get_strings = enic_get_strings, 644ed519b74SParvi Kaustubhi .get_ringparam = enic_get_ringparam, 645ed519b74SParvi Kaustubhi .set_ringparam = enic_set_ringparam, 646f13bbc2fSNeel Patel .get_sset_count = enic_get_sset_count, 647f13bbc2fSNeel Patel .get_ethtool_stats = enic_get_ethtool_stats, 648f13bbc2fSNeel Patel .get_coalesce = enic_get_coalesce, 649f13bbc2fSNeel Patel .set_coalesce = enic_set_coalesce, 6503762ff8fSGovindarajulu Varadarajan .get_rxnfc = enic_get_rxnfc, 651d4ad30b1SGovindarajulu Varadarajan .get_tunable = enic_get_tunable, 652d4ad30b1SGovindarajulu Varadarajan .set_tunable = enic_set_tunable, 6534f675eb2SGovindarajulu Varadarajan .get_rxfh_key_size = enic_get_rxfh_key_size, 6544f675eb2SGovindarajulu Varadarajan .get_rxfh = enic_get_rxfh, 6554f675eb2SGovindarajulu Varadarajan .set_rxfh = enic_set_rxfh, 6567659f50cSPhilippe Reynes .get_link_ksettings = enic_get_ksettings, 657fb7516d4SGovindarajulu Varadarajan .get_ts_info = enic_get_ts_info, 658f13bbc2fSNeel Patel }; 659f13bbc2fSNeel Patel 660f13bbc2fSNeel Patel void enic_set_ethtool_ops(struct net_device *netdev) 661f13bbc2fSNeel Patel { 6627ad24ea4SWilfried Klaebe netdev->ethtool_ops = &enic_ethtool_ops; 663f13bbc2fSNeel Patel } 664