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 106f13bbc2fSNeel Patel static int enic_get_settings(struct net_device *netdev, 107f13bbc2fSNeel Patel struct ethtool_cmd *ecmd) 108f13bbc2fSNeel Patel { 109f13bbc2fSNeel Patel struct enic *enic = netdev_priv(netdev); 110f13bbc2fSNeel Patel 111f13bbc2fSNeel Patel ecmd->supported = (SUPPORTED_10000baseT_Full | SUPPORTED_FIBRE); 112f13bbc2fSNeel Patel ecmd->advertising = (ADVERTISED_10000baseT_Full | ADVERTISED_FIBRE); 113f13bbc2fSNeel Patel ecmd->port = PORT_FIBRE; 114f13bbc2fSNeel Patel ecmd->transceiver = XCVR_EXTERNAL; 115f13bbc2fSNeel Patel 116f13bbc2fSNeel Patel if (netif_carrier_ok(netdev)) { 117f13bbc2fSNeel Patel ethtool_cmd_speed_set(ecmd, vnic_dev_port_speed(enic->vdev)); 118f13bbc2fSNeel Patel ecmd->duplex = DUPLEX_FULL; 119f13bbc2fSNeel Patel } else { 120537fae01SJiri Pirko ethtool_cmd_speed_set(ecmd, SPEED_UNKNOWN); 121537fae01SJiri Pirko ecmd->duplex = DUPLEX_UNKNOWN; 122f13bbc2fSNeel Patel } 123f13bbc2fSNeel Patel 124f13bbc2fSNeel Patel ecmd->autoneg = AUTONEG_DISABLE; 125f13bbc2fSNeel Patel 126f13bbc2fSNeel Patel return 0; 127f13bbc2fSNeel Patel } 128f13bbc2fSNeel Patel 129f13bbc2fSNeel Patel static void enic_get_drvinfo(struct net_device *netdev, 130f13bbc2fSNeel Patel struct ethtool_drvinfo *drvinfo) 131f13bbc2fSNeel Patel { 132f13bbc2fSNeel Patel struct enic *enic = netdev_priv(netdev); 133f13bbc2fSNeel Patel struct vnic_devcmd_fw_info *fw_info; 134f13bbc2fSNeel Patel 135f13bbc2fSNeel Patel enic_dev_fw_info(enic, &fw_info); 136f13bbc2fSNeel Patel 137f13bbc2fSNeel Patel strlcpy(drvinfo->driver, DRV_NAME, sizeof(drvinfo->driver)); 138f13bbc2fSNeel Patel strlcpy(drvinfo->version, DRV_VERSION, sizeof(drvinfo->version)); 139f13bbc2fSNeel Patel strlcpy(drvinfo->fw_version, fw_info->fw_version, 140f13bbc2fSNeel Patel sizeof(drvinfo->fw_version)); 141f13bbc2fSNeel Patel strlcpy(drvinfo->bus_info, pci_name(enic->pdev), 142f13bbc2fSNeel Patel sizeof(drvinfo->bus_info)); 143f13bbc2fSNeel Patel } 144f13bbc2fSNeel Patel 145f13bbc2fSNeel Patel static void enic_get_strings(struct net_device *netdev, u32 stringset, 146f13bbc2fSNeel Patel u8 *data) 147f13bbc2fSNeel Patel { 148f13bbc2fSNeel Patel unsigned int i; 149f13bbc2fSNeel Patel 150f13bbc2fSNeel Patel switch (stringset) { 151f13bbc2fSNeel Patel case ETH_SS_STATS: 152f13bbc2fSNeel Patel for (i = 0; i < enic_n_tx_stats; i++) { 153f13bbc2fSNeel Patel memcpy(data, enic_tx_stats[i].name, ETH_GSTRING_LEN); 154f13bbc2fSNeel Patel data += ETH_GSTRING_LEN; 155f13bbc2fSNeel Patel } 156f13bbc2fSNeel Patel for (i = 0; i < enic_n_rx_stats; i++) { 157f13bbc2fSNeel Patel memcpy(data, enic_rx_stats[i].name, ETH_GSTRING_LEN); 158f13bbc2fSNeel Patel data += ETH_GSTRING_LEN; 159f13bbc2fSNeel Patel } 16058feff07SGovindarajulu Varadarajan for (i = 0; i < enic_n_gen_stats; i++) { 16158feff07SGovindarajulu Varadarajan memcpy(data, enic_gen_stats[i].name, ETH_GSTRING_LEN); 16258feff07SGovindarajulu Varadarajan data += ETH_GSTRING_LEN; 16358feff07SGovindarajulu Varadarajan } 164f13bbc2fSNeel Patel break; 165f13bbc2fSNeel Patel } 166f13bbc2fSNeel Patel } 167f13bbc2fSNeel Patel 168f13bbc2fSNeel Patel static int enic_get_sset_count(struct net_device *netdev, int sset) 169f13bbc2fSNeel Patel { 170f13bbc2fSNeel Patel switch (sset) { 171f13bbc2fSNeel Patel case ETH_SS_STATS: 17258feff07SGovindarajulu Varadarajan return enic_n_tx_stats + enic_n_rx_stats + enic_n_gen_stats; 173f13bbc2fSNeel Patel default: 174f13bbc2fSNeel Patel return -EOPNOTSUPP; 175f13bbc2fSNeel Patel } 176f13bbc2fSNeel Patel } 177f13bbc2fSNeel Patel 178f13bbc2fSNeel Patel static void enic_get_ethtool_stats(struct net_device *netdev, 179f13bbc2fSNeel Patel struct ethtool_stats *stats, u64 *data) 180f13bbc2fSNeel Patel { 181f13bbc2fSNeel Patel struct enic *enic = netdev_priv(netdev); 182f13bbc2fSNeel Patel struct vnic_stats *vstats; 183f13bbc2fSNeel Patel unsigned int i; 184f13bbc2fSNeel Patel 185f13bbc2fSNeel Patel enic_dev_stats_dump(enic, &vstats); 186f13bbc2fSNeel Patel 187f13bbc2fSNeel Patel for (i = 0; i < enic_n_tx_stats; i++) 188f13bbc2fSNeel Patel *(data++) = ((u64 *)&vstats->tx)[enic_tx_stats[i].index]; 189f13bbc2fSNeel Patel for (i = 0; i < enic_n_rx_stats; i++) 190f13bbc2fSNeel Patel *(data++) = ((u64 *)&vstats->rx)[enic_rx_stats[i].index]; 19158feff07SGovindarajulu Varadarajan for (i = 0; i < enic_n_gen_stats; i++) 19258feff07SGovindarajulu Varadarajan *(data++) = ((u64 *)&enic->gen_stats)[enic_gen_stats[i].index]; 193f13bbc2fSNeel Patel } 194f13bbc2fSNeel Patel 195f13bbc2fSNeel Patel static u32 enic_get_msglevel(struct net_device *netdev) 196f13bbc2fSNeel Patel { 197f13bbc2fSNeel Patel struct enic *enic = netdev_priv(netdev); 198f13bbc2fSNeel Patel return enic->msg_enable; 199f13bbc2fSNeel Patel } 200f13bbc2fSNeel Patel 201f13bbc2fSNeel Patel static void enic_set_msglevel(struct net_device *netdev, u32 value) 202f13bbc2fSNeel Patel { 203f13bbc2fSNeel Patel struct enic *enic = netdev_priv(netdev); 204f13bbc2fSNeel Patel enic->msg_enable = value; 205f13bbc2fSNeel Patel } 206f13bbc2fSNeel Patel 207f13bbc2fSNeel Patel static int enic_get_coalesce(struct net_device *netdev, 208f13bbc2fSNeel Patel struct ethtool_coalesce *ecmd) 209f13bbc2fSNeel Patel { 210f13bbc2fSNeel Patel struct enic *enic = netdev_priv(netdev); 2117c2ce6e6SSujith Sankar struct enic_rx_coal *rxcoal = &enic->rx_coalesce_setting; 212f13bbc2fSNeel Patel 213f13bbc2fSNeel Patel ecmd->tx_coalesce_usecs = enic->tx_coalesce_usecs; 214f13bbc2fSNeel Patel ecmd->rx_coalesce_usecs = enic->rx_coalesce_usecs; 2157c2ce6e6SSujith Sankar if (rxcoal->use_adaptive_rx_coalesce) 2167c2ce6e6SSujith Sankar ecmd->use_adaptive_rx_coalesce = 1; 2177c2ce6e6SSujith Sankar ecmd->rx_coalesce_usecs_low = rxcoal->small_pkt_range_start; 2187c2ce6e6SSujith Sankar ecmd->rx_coalesce_usecs_high = rxcoal->range_end; 219f13bbc2fSNeel Patel 220f13bbc2fSNeel Patel return 0; 221f13bbc2fSNeel Patel } 222f13bbc2fSNeel Patel 223f13bbc2fSNeel Patel static int enic_set_coalesce(struct net_device *netdev, 224f13bbc2fSNeel Patel struct ethtool_coalesce *ecmd) 225f13bbc2fSNeel Patel { 226f13bbc2fSNeel Patel struct enic *enic = netdev_priv(netdev); 227f13bbc2fSNeel Patel u32 tx_coalesce_usecs; 228f13bbc2fSNeel Patel u32 rx_coalesce_usecs; 2297c2ce6e6SSujith Sankar u32 rx_coalesce_usecs_low; 2307c2ce6e6SSujith Sankar u32 rx_coalesce_usecs_high; 2317c2ce6e6SSujith Sankar u32 coalesce_usecs_max; 232f13bbc2fSNeel Patel unsigned int i, intr; 2337c2ce6e6SSujith Sankar struct enic_rx_coal *rxcoal = &enic->rx_coalesce_setting; 234f13bbc2fSNeel Patel 2357c2ce6e6SSujith Sankar coalesce_usecs_max = vnic_dev_get_intr_coal_timer_max(enic->vdev); 236f13bbc2fSNeel Patel tx_coalesce_usecs = min_t(u32, ecmd->tx_coalesce_usecs, 2377c2ce6e6SSujith Sankar coalesce_usecs_max); 238f13bbc2fSNeel Patel rx_coalesce_usecs = min_t(u32, ecmd->rx_coalesce_usecs, 2397c2ce6e6SSujith Sankar coalesce_usecs_max); 2407c2ce6e6SSujith Sankar 2417c2ce6e6SSujith Sankar rx_coalesce_usecs_low = min_t(u32, ecmd->rx_coalesce_usecs_low, 2427c2ce6e6SSujith Sankar coalesce_usecs_max); 2437c2ce6e6SSujith Sankar rx_coalesce_usecs_high = min_t(u32, ecmd->rx_coalesce_usecs_high, 2447c2ce6e6SSujith Sankar coalesce_usecs_max); 245f13bbc2fSNeel Patel 246f13bbc2fSNeel Patel switch (vnic_dev_get_intr_mode(enic->vdev)) { 247f13bbc2fSNeel Patel case VNIC_DEV_INTR_MODE_INTX: 248f13bbc2fSNeel Patel if (tx_coalesce_usecs != rx_coalesce_usecs) 249f13bbc2fSNeel Patel return -EINVAL; 2507c2ce6e6SSujith Sankar if (ecmd->use_adaptive_rx_coalesce || 2517c2ce6e6SSujith Sankar ecmd->rx_coalesce_usecs_low || 2527c2ce6e6SSujith Sankar ecmd->rx_coalesce_usecs_high) 253a16a3361SGovindarajulu Varadarajan return -EINVAL; 254f13bbc2fSNeel Patel 255f13bbc2fSNeel Patel intr = enic_legacy_io_intr(); 256f13bbc2fSNeel Patel vnic_intr_coalescing_timer_set(&enic->intr[intr], 257f13bbc2fSNeel Patel tx_coalesce_usecs); 258f13bbc2fSNeel Patel break; 259f13bbc2fSNeel Patel case VNIC_DEV_INTR_MODE_MSI: 260f13bbc2fSNeel Patel if (tx_coalesce_usecs != rx_coalesce_usecs) 261f13bbc2fSNeel Patel return -EINVAL; 2627c2ce6e6SSujith Sankar if (ecmd->use_adaptive_rx_coalesce || 2637c2ce6e6SSujith Sankar ecmd->rx_coalesce_usecs_low || 2647c2ce6e6SSujith Sankar ecmd->rx_coalesce_usecs_high) 265a16a3361SGovindarajulu Varadarajan return -EINVAL; 266f13bbc2fSNeel Patel 267f13bbc2fSNeel Patel vnic_intr_coalescing_timer_set(&enic->intr[0], 268f13bbc2fSNeel Patel tx_coalesce_usecs); 269f13bbc2fSNeel Patel break; 270f13bbc2fSNeel Patel case VNIC_DEV_INTR_MODE_MSIX: 271a16a3361SGovindarajulu Varadarajan if (ecmd->rx_coalesce_usecs_high && 272a16a3361SGovindarajulu Varadarajan (rx_coalesce_usecs_high < 273a16a3361SGovindarajulu Varadarajan rx_coalesce_usecs_low + ENIC_AIC_LARGE_PKT_DIFF)) 274a16a3361SGovindarajulu Varadarajan return -EINVAL; 275a16a3361SGovindarajulu Varadarajan 276f13bbc2fSNeel Patel for (i = 0; i < enic->wq_count; i++) { 277f13bbc2fSNeel Patel intr = enic_msix_wq_intr(enic, i); 278f13bbc2fSNeel Patel vnic_intr_coalescing_timer_set(&enic->intr[intr], 279f13bbc2fSNeel Patel tx_coalesce_usecs); 280f13bbc2fSNeel Patel } 281f13bbc2fSNeel Patel 282a16a3361SGovindarajulu Varadarajan rxcoal->use_adaptive_rx_coalesce = 283a16a3361SGovindarajulu Varadarajan !!ecmd->use_adaptive_rx_coalesce; 284a16a3361SGovindarajulu Varadarajan if (!rxcoal->use_adaptive_rx_coalesce) 2857c2ce6e6SSujith Sankar enic_intr_coal_set_rx(enic, rx_coalesce_usecs); 286f13bbc2fSNeel Patel 2877c2ce6e6SSujith Sankar if (ecmd->rx_coalesce_usecs_high) { 2887c2ce6e6SSujith Sankar rxcoal->range_end = rx_coalesce_usecs_high; 2897c2ce6e6SSujith Sankar rxcoal->small_pkt_range_start = rx_coalesce_usecs_low; 2907c2ce6e6SSujith Sankar rxcoal->large_pkt_range_start = rx_coalesce_usecs_low + 2917c2ce6e6SSujith Sankar ENIC_AIC_LARGE_PKT_DIFF; 2927c2ce6e6SSujith Sankar } 293f13bbc2fSNeel Patel break; 294f13bbc2fSNeel Patel default: 295f13bbc2fSNeel Patel break; 296f13bbc2fSNeel Patel } 297f13bbc2fSNeel Patel 298f13bbc2fSNeel Patel enic->tx_coalesce_usecs = tx_coalesce_usecs; 299f13bbc2fSNeel Patel enic->rx_coalesce_usecs = rx_coalesce_usecs; 300f13bbc2fSNeel Patel 301f13bbc2fSNeel Patel return 0; 302f13bbc2fSNeel Patel } 303f13bbc2fSNeel Patel 3043762ff8fSGovindarajulu Varadarajan static int enic_grxclsrlall(struct enic *enic, struct ethtool_rxnfc *cmd, 3053762ff8fSGovindarajulu Varadarajan u32 *rule_locs) 3063762ff8fSGovindarajulu Varadarajan { 3073762ff8fSGovindarajulu Varadarajan int j, ret = 0, cnt = 0; 3083762ff8fSGovindarajulu Varadarajan 3093762ff8fSGovindarajulu Varadarajan cmd->data = enic->rfs_h.max - enic->rfs_h.free; 3103762ff8fSGovindarajulu Varadarajan for (j = 0; j < (1 << ENIC_RFS_FLW_BITSHIFT); j++) { 3113762ff8fSGovindarajulu Varadarajan struct hlist_head *hhead; 3123762ff8fSGovindarajulu Varadarajan struct hlist_node *tmp; 3133762ff8fSGovindarajulu Varadarajan struct enic_rfs_fltr_node *n; 3143762ff8fSGovindarajulu Varadarajan 3153762ff8fSGovindarajulu Varadarajan hhead = &enic->rfs_h.ht_head[j]; 3163762ff8fSGovindarajulu Varadarajan hlist_for_each_entry_safe(n, tmp, hhead, node) { 3173762ff8fSGovindarajulu Varadarajan if (cnt == cmd->rule_cnt) 3183762ff8fSGovindarajulu Varadarajan return -EMSGSIZE; 3193762ff8fSGovindarajulu Varadarajan rule_locs[cnt] = n->fltr_id; 3203762ff8fSGovindarajulu Varadarajan cnt++; 3213762ff8fSGovindarajulu Varadarajan } 3223762ff8fSGovindarajulu Varadarajan } 3233762ff8fSGovindarajulu Varadarajan cmd->rule_cnt = cnt; 3243762ff8fSGovindarajulu Varadarajan 3253762ff8fSGovindarajulu Varadarajan return ret; 3263762ff8fSGovindarajulu Varadarajan } 3273762ff8fSGovindarajulu Varadarajan 3283762ff8fSGovindarajulu Varadarajan static int enic_grxclsrule(struct enic *enic, struct ethtool_rxnfc *cmd) 3293762ff8fSGovindarajulu Varadarajan { 3303762ff8fSGovindarajulu Varadarajan struct ethtool_rx_flow_spec *fsp = 3313762ff8fSGovindarajulu Varadarajan (struct ethtool_rx_flow_spec *)&cmd->fs; 3323762ff8fSGovindarajulu Varadarajan struct enic_rfs_fltr_node *n; 3333762ff8fSGovindarajulu Varadarajan 3343762ff8fSGovindarajulu Varadarajan n = htbl_fltr_search(enic, (u16)fsp->location); 3353762ff8fSGovindarajulu Varadarajan if (!n) 3363762ff8fSGovindarajulu Varadarajan return -EINVAL; 33706635a35SJiri Pirko switch (n->keys.basic.ip_proto) { 3383762ff8fSGovindarajulu Varadarajan case IPPROTO_TCP: 3393762ff8fSGovindarajulu Varadarajan fsp->flow_type = TCP_V4_FLOW; 3403762ff8fSGovindarajulu Varadarajan break; 3413762ff8fSGovindarajulu Varadarajan case IPPROTO_UDP: 3423762ff8fSGovindarajulu Varadarajan fsp->flow_type = UDP_V4_FLOW; 3433762ff8fSGovindarajulu Varadarajan break; 3443762ff8fSGovindarajulu Varadarajan default: 3453762ff8fSGovindarajulu Varadarajan return -EINVAL; 3463762ff8fSGovindarajulu Varadarajan break; 3473762ff8fSGovindarajulu Varadarajan } 3483762ff8fSGovindarajulu Varadarajan 34906635a35SJiri Pirko fsp->h_u.tcp_ip4_spec.ip4src = n->keys.addrs.src; 3503762ff8fSGovindarajulu Varadarajan fsp->m_u.tcp_ip4_spec.ip4src = (__u32)~0; 3513762ff8fSGovindarajulu Varadarajan 35206635a35SJiri Pirko fsp->h_u.tcp_ip4_spec.ip4dst = n->keys.addrs.dst; 3533762ff8fSGovindarajulu Varadarajan fsp->m_u.tcp_ip4_spec.ip4dst = (__u32)~0; 3543762ff8fSGovindarajulu Varadarajan 35506635a35SJiri Pirko fsp->h_u.tcp_ip4_spec.psrc = n->keys.ports.port16[0]; 3563762ff8fSGovindarajulu Varadarajan fsp->m_u.tcp_ip4_spec.psrc = (__u16)~0; 3573762ff8fSGovindarajulu Varadarajan 35806635a35SJiri Pirko fsp->h_u.tcp_ip4_spec.pdst = n->keys.ports.port16[1]; 3593762ff8fSGovindarajulu Varadarajan fsp->m_u.tcp_ip4_spec.pdst = (__u16)~0; 3603762ff8fSGovindarajulu Varadarajan 3613762ff8fSGovindarajulu Varadarajan fsp->ring_cookie = n->rq_id; 3623762ff8fSGovindarajulu Varadarajan 3633762ff8fSGovindarajulu Varadarajan return 0; 3643762ff8fSGovindarajulu Varadarajan } 3653762ff8fSGovindarajulu Varadarajan 3663762ff8fSGovindarajulu Varadarajan static int enic_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd, 3673762ff8fSGovindarajulu Varadarajan u32 *rule_locs) 3683762ff8fSGovindarajulu Varadarajan { 3693762ff8fSGovindarajulu Varadarajan struct enic *enic = netdev_priv(dev); 3703762ff8fSGovindarajulu Varadarajan int ret = 0; 3713762ff8fSGovindarajulu Varadarajan 3723762ff8fSGovindarajulu Varadarajan switch (cmd->cmd) { 3733762ff8fSGovindarajulu Varadarajan case ETHTOOL_GRXRINGS: 3743762ff8fSGovindarajulu Varadarajan cmd->data = enic->rq_count; 3753762ff8fSGovindarajulu Varadarajan break; 3763762ff8fSGovindarajulu Varadarajan case ETHTOOL_GRXCLSRLCNT: 3773762ff8fSGovindarajulu Varadarajan spin_lock_bh(&enic->rfs_h.lock); 3783762ff8fSGovindarajulu Varadarajan cmd->rule_cnt = enic->rfs_h.max - enic->rfs_h.free; 3793762ff8fSGovindarajulu Varadarajan cmd->data = enic->rfs_h.max; 3803762ff8fSGovindarajulu Varadarajan spin_unlock_bh(&enic->rfs_h.lock); 3813762ff8fSGovindarajulu Varadarajan break; 3823762ff8fSGovindarajulu Varadarajan case ETHTOOL_GRXCLSRLALL: 3833762ff8fSGovindarajulu Varadarajan spin_lock_bh(&enic->rfs_h.lock); 3843762ff8fSGovindarajulu Varadarajan ret = enic_grxclsrlall(enic, cmd, rule_locs); 3853762ff8fSGovindarajulu Varadarajan spin_unlock_bh(&enic->rfs_h.lock); 3863762ff8fSGovindarajulu Varadarajan break; 3873762ff8fSGovindarajulu Varadarajan case ETHTOOL_GRXCLSRULE: 3883762ff8fSGovindarajulu Varadarajan spin_lock_bh(&enic->rfs_h.lock); 3893762ff8fSGovindarajulu Varadarajan ret = enic_grxclsrule(enic, cmd); 3903762ff8fSGovindarajulu Varadarajan spin_unlock_bh(&enic->rfs_h.lock); 3913762ff8fSGovindarajulu Varadarajan break; 3923762ff8fSGovindarajulu Varadarajan default: 3933762ff8fSGovindarajulu Varadarajan ret = -EOPNOTSUPP; 3943762ff8fSGovindarajulu Varadarajan break; 3953762ff8fSGovindarajulu Varadarajan } 3963762ff8fSGovindarajulu Varadarajan 3973762ff8fSGovindarajulu Varadarajan return ret; 3983762ff8fSGovindarajulu Varadarajan } 3993762ff8fSGovindarajulu Varadarajan 400d4ad30b1SGovindarajulu Varadarajan static int enic_get_tunable(struct net_device *dev, 401d4ad30b1SGovindarajulu Varadarajan const struct ethtool_tunable *tuna, void *data) 402d4ad30b1SGovindarajulu Varadarajan { 403d4ad30b1SGovindarajulu Varadarajan struct enic *enic = netdev_priv(dev); 404d4ad30b1SGovindarajulu Varadarajan int ret = 0; 405d4ad30b1SGovindarajulu Varadarajan 406d4ad30b1SGovindarajulu Varadarajan switch (tuna->id) { 407d4ad30b1SGovindarajulu Varadarajan case ETHTOOL_RX_COPYBREAK: 408d4ad30b1SGovindarajulu Varadarajan *(u32 *)data = enic->rx_copybreak; 409d4ad30b1SGovindarajulu Varadarajan break; 410d4ad30b1SGovindarajulu Varadarajan default: 411d4ad30b1SGovindarajulu Varadarajan ret = -EINVAL; 412d4ad30b1SGovindarajulu Varadarajan break; 413d4ad30b1SGovindarajulu Varadarajan } 414d4ad30b1SGovindarajulu Varadarajan 415d4ad30b1SGovindarajulu Varadarajan return ret; 416d4ad30b1SGovindarajulu Varadarajan } 417d4ad30b1SGovindarajulu Varadarajan 418d4ad30b1SGovindarajulu Varadarajan static int enic_set_tunable(struct net_device *dev, 419d4ad30b1SGovindarajulu Varadarajan const struct ethtool_tunable *tuna, 420d4ad30b1SGovindarajulu Varadarajan const void *data) 421d4ad30b1SGovindarajulu Varadarajan { 422d4ad30b1SGovindarajulu Varadarajan struct enic *enic = netdev_priv(dev); 423d4ad30b1SGovindarajulu Varadarajan int ret = 0; 424d4ad30b1SGovindarajulu Varadarajan 425d4ad30b1SGovindarajulu Varadarajan switch (tuna->id) { 426d4ad30b1SGovindarajulu Varadarajan case ETHTOOL_RX_COPYBREAK: 427d4ad30b1SGovindarajulu Varadarajan enic->rx_copybreak = *(u32 *)data; 428d4ad30b1SGovindarajulu Varadarajan break; 429d4ad30b1SGovindarajulu Varadarajan default: 430d4ad30b1SGovindarajulu Varadarajan ret = -EINVAL; 431d4ad30b1SGovindarajulu Varadarajan break; 432d4ad30b1SGovindarajulu Varadarajan } 433d4ad30b1SGovindarajulu Varadarajan 434d4ad30b1SGovindarajulu Varadarajan return ret; 435d4ad30b1SGovindarajulu Varadarajan } 436d4ad30b1SGovindarajulu Varadarajan 4374f675eb2SGovindarajulu Varadarajan static u32 enic_get_rxfh_key_size(struct net_device *netdev) 4384f675eb2SGovindarajulu Varadarajan { 4394f675eb2SGovindarajulu Varadarajan return ENIC_RSS_LEN; 4404f675eb2SGovindarajulu Varadarajan } 4414f675eb2SGovindarajulu Varadarajan 4424f675eb2SGovindarajulu Varadarajan static int enic_get_rxfh(struct net_device *netdev, u32 *indir, u8 *hkey, 4434f675eb2SGovindarajulu Varadarajan u8 *hfunc) 4444f675eb2SGovindarajulu Varadarajan { 4454f675eb2SGovindarajulu Varadarajan struct enic *enic = netdev_priv(netdev); 4464f675eb2SGovindarajulu Varadarajan 4474f675eb2SGovindarajulu Varadarajan if (hkey) 4484f675eb2SGovindarajulu Varadarajan memcpy(hkey, enic->rss_key, ENIC_RSS_LEN); 4494f675eb2SGovindarajulu Varadarajan 4504f675eb2SGovindarajulu Varadarajan if (hfunc) 4514f675eb2SGovindarajulu Varadarajan *hfunc = ETH_RSS_HASH_TOP; 4524f675eb2SGovindarajulu Varadarajan 4534f675eb2SGovindarajulu Varadarajan return 0; 4544f675eb2SGovindarajulu Varadarajan } 4554f675eb2SGovindarajulu Varadarajan 4564f675eb2SGovindarajulu Varadarajan static int enic_set_rxfh(struct net_device *netdev, const u32 *indir, 4574f675eb2SGovindarajulu Varadarajan const u8 *hkey, const u8 hfunc) 4584f675eb2SGovindarajulu Varadarajan { 4594f675eb2SGovindarajulu Varadarajan struct enic *enic = netdev_priv(netdev); 4604f675eb2SGovindarajulu Varadarajan 4614f675eb2SGovindarajulu Varadarajan if ((hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP) || 4624f675eb2SGovindarajulu Varadarajan indir) 4634f675eb2SGovindarajulu Varadarajan return -EINVAL; 4644f675eb2SGovindarajulu Varadarajan 4654f675eb2SGovindarajulu Varadarajan if (hkey) 4664f675eb2SGovindarajulu Varadarajan memcpy(enic->rss_key, hkey, ENIC_RSS_LEN); 4674f675eb2SGovindarajulu Varadarajan 4684f675eb2SGovindarajulu Varadarajan return __enic_set_rsskey(enic); 4694f675eb2SGovindarajulu Varadarajan } 4704f675eb2SGovindarajulu Varadarajan 471f13bbc2fSNeel Patel static const struct ethtool_ops enic_ethtool_ops = { 472f13bbc2fSNeel Patel .get_settings = enic_get_settings, 473f13bbc2fSNeel Patel .get_drvinfo = enic_get_drvinfo, 474f13bbc2fSNeel Patel .get_msglevel = enic_get_msglevel, 475f13bbc2fSNeel Patel .set_msglevel = enic_set_msglevel, 476f13bbc2fSNeel Patel .get_link = ethtool_op_get_link, 477f13bbc2fSNeel Patel .get_strings = enic_get_strings, 478f13bbc2fSNeel Patel .get_sset_count = enic_get_sset_count, 479f13bbc2fSNeel Patel .get_ethtool_stats = enic_get_ethtool_stats, 480f13bbc2fSNeel Patel .get_coalesce = enic_get_coalesce, 481f13bbc2fSNeel Patel .set_coalesce = enic_set_coalesce, 4823762ff8fSGovindarajulu Varadarajan .get_rxnfc = enic_get_rxnfc, 483d4ad30b1SGovindarajulu Varadarajan .get_tunable = enic_get_tunable, 484d4ad30b1SGovindarajulu Varadarajan .set_tunable = enic_set_tunable, 4854f675eb2SGovindarajulu Varadarajan .get_rxfh_key_size = enic_get_rxfh_key_size, 4864f675eb2SGovindarajulu Varadarajan .get_rxfh = enic_get_rxfh, 4874f675eb2SGovindarajulu Varadarajan .set_rxfh = enic_set_rxfh, 488f13bbc2fSNeel Patel }; 489f13bbc2fSNeel Patel 490f13bbc2fSNeel Patel void enic_set_ethtool_ops(struct net_device *netdev) 491f13bbc2fSNeel Patel { 4927ad24ea4SWilfried Klaebe netdev->ethtool_ops = &enic_ethtool_ops; 493f13bbc2fSNeel Patel } 494