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" 27f13bbc2fSNeel Patel 28f13bbc2fSNeel Patel struct enic_stat { 29f13bbc2fSNeel Patel char name[ETH_GSTRING_LEN]; 30f13bbc2fSNeel Patel unsigned int index; 31f13bbc2fSNeel Patel }; 32f13bbc2fSNeel Patel 33f13bbc2fSNeel Patel #define ENIC_TX_STAT(stat) { \ 34f13bbc2fSNeel Patel .name = #stat, \ 35f13bbc2fSNeel Patel .index = offsetof(struct vnic_tx_stats, stat) / sizeof(u64) \ 36f13bbc2fSNeel Patel } 37f13bbc2fSNeel Patel 38f13bbc2fSNeel Patel #define ENIC_RX_STAT(stat) { \ 39f13bbc2fSNeel Patel .name = #stat, \ 40f13bbc2fSNeel Patel .index = offsetof(struct vnic_rx_stats, stat) / sizeof(u64) \ 41f13bbc2fSNeel Patel } 42f13bbc2fSNeel Patel 43f13bbc2fSNeel Patel static const struct enic_stat enic_tx_stats[] = { 44f13bbc2fSNeel Patel ENIC_TX_STAT(tx_frames_ok), 45f13bbc2fSNeel Patel ENIC_TX_STAT(tx_unicast_frames_ok), 46f13bbc2fSNeel Patel ENIC_TX_STAT(tx_multicast_frames_ok), 47f13bbc2fSNeel Patel ENIC_TX_STAT(tx_broadcast_frames_ok), 48f13bbc2fSNeel Patel ENIC_TX_STAT(tx_bytes_ok), 49f13bbc2fSNeel Patel ENIC_TX_STAT(tx_unicast_bytes_ok), 50f13bbc2fSNeel Patel ENIC_TX_STAT(tx_multicast_bytes_ok), 51f13bbc2fSNeel Patel ENIC_TX_STAT(tx_broadcast_bytes_ok), 52f13bbc2fSNeel Patel ENIC_TX_STAT(tx_drops), 53f13bbc2fSNeel Patel ENIC_TX_STAT(tx_errors), 54f13bbc2fSNeel Patel ENIC_TX_STAT(tx_tso), 55f13bbc2fSNeel Patel }; 56f13bbc2fSNeel Patel 57f13bbc2fSNeel Patel static const struct enic_stat enic_rx_stats[] = { 58f13bbc2fSNeel Patel ENIC_RX_STAT(rx_frames_ok), 59f13bbc2fSNeel Patel ENIC_RX_STAT(rx_frames_total), 60f13bbc2fSNeel Patel ENIC_RX_STAT(rx_unicast_frames_ok), 61f13bbc2fSNeel Patel ENIC_RX_STAT(rx_multicast_frames_ok), 62f13bbc2fSNeel Patel ENIC_RX_STAT(rx_broadcast_frames_ok), 63f13bbc2fSNeel Patel ENIC_RX_STAT(rx_bytes_ok), 64f13bbc2fSNeel Patel ENIC_RX_STAT(rx_unicast_bytes_ok), 65f13bbc2fSNeel Patel ENIC_RX_STAT(rx_multicast_bytes_ok), 66f13bbc2fSNeel Patel ENIC_RX_STAT(rx_broadcast_bytes_ok), 67f13bbc2fSNeel Patel ENIC_RX_STAT(rx_drop), 68f13bbc2fSNeel Patel ENIC_RX_STAT(rx_no_bufs), 69f13bbc2fSNeel Patel ENIC_RX_STAT(rx_errors), 70f13bbc2fSNeel Patel ENIC_RX_STAT(rx_rss), 71f13bbc2fSNeel Patel ENIC_RX_STAT(rx_crc_errors), 72f13bbc2fSNeel Patel ENIC_RX_STAT(rx_frames_64), 73f13bbc2fSNeel Patel ENIC_RX_STAT(rx_frames_127), 74f13bbc2fSNeel Patel ENIC_RX_STAT(rx_frames_255), 75f13bbc2fSNeel Patel ENIC_RX_STAT(rx_frames_511), 76f13bbc2fSNeel Patel ENIC_RX_STAT(rx_frames_1023), 77f13bbc2fSNeel Patel ENIC_RX_STAT(rx_frames_1518), 78f13bbc2fSNeel Patel ENIC_RX_STAT(rx_frames_to_max), 79f13bbc2fSNeel Patel }; 80f13bbc2fSNeel Patel 81f13bbc2fSNeel Patel static const unsigned int enic_n_tx_stats = ARRAY_SIZE(enic_tx_stats); 82f13bbc2fSNeel Patel static const unsigned int enic_n_rx_stats = ARRAY_SIZE(enic_rx_stats); 83f13bbc2fSNeel Patel 847c2ce6e6SSujith Sankar void enic_intr_coal_set_rx(struct enic *enic, u32 timer) 857c2ce6e6SSujith Sankar { 867c2ce6e6SSujith Sankar int i; 877c2ce6e6SSujith Sankar int intr; 887c2ce6e6SSujith Sankar 897c2ce6e6SSujith Sankar for (i = 0; i < enic->rq_count; i++) { 907c2ce6e6SSujith Sankar intr = enic_msix_rq_intr(enic, i); 917c2ce6e6SSujith Sankar vnic_intr_coalescing_timer_set(&enic->intr[intr], timer); 927c2ce6e6SSujith Sankar } 937c2ce6e6SSujith Sankar } 947c2ce6e6SSujith Sankar 95f13bbc2fSNeel Patel static int enic_get_settings(struct net_device *netdev, 96f13bbc2fSNeel Patel struct ethtool_cmd *ecmd) 97f13bbc2fSNeel Patel { 98f13bbc2fSNeel Patel struct enic *enic = netdev_priv(netdev); 99f13bbc2fSNeel Patel 100f13bbc2fSNeel Patel ecmd->supported = (SUPPORTED_10000baseT_Full | SUPPORTED_FIBRE); 101f13bbc2fSNeel Patel ecmd->advertising = (ADVERTISED_10000baseT_Full | ADVERTISED_FIBRE); 102f13bbc2fSNeel Patel ecmd->port = PORT_FIBRE; 103f13bbc2fSNeel Patel ecmd->transceiver = XCVR_EXTERNAL; 104f13bbc2fSNeel Patel 105f13bbc2fSNeel Patel if (netif_carrier_ok(netdev)) { 106f13bbc2fSNeel Patel ethtool_cmd_speed_set(ecmd, vnic_dev_port_speed(enic->vdev)); 107f13bbc2fSNeel Patel ecmd->duplex = DUPLEX_FULL; 108f13bbc2fSNeel Patel } else { 109537fae01SJiri Pirko ethtool_cmd_speed_set(ecmd, SPEED_UNKNOWN); 110537fae01SJiri Pirko ecmd->duplex = DUPLEX_UNKNOWN; 111f13bbc2fSNeel Patel } 112f13bbc2fSNeel Patel 113f13bbc2fSNeel Patel ecmd->autoneg = AUTONEG_DISABLE; 114f13bbc2fSNeel Patel 115f13bbc2fSNeel Patel return 0; 116f13bbc2fSNeel Patel } 117f13bbc2fSNeel Patel 118f13bbc2fSNeel Patel static void enic_get_drvinfo(struct net_device *netdev, 119f13bbc2fSNeel Patel struct ethtool_drvinfo *drvinfo) 120f13bbc2fSNeel Patel { 121f13bbc2fSNeel Patel struct enic *enic = netdev_priv(netdev); 122f13bbc2fSNeel Patel struct vnic_devcmd_fw_info *fw_info; 123f13bbc2fSNeel Patel 124f13bbc2fSNeel Patel enic_dev_fw_info(enic, &fw_info); 125f13bbc2fSNeel Patel 126f13bbc2fSNeel Patel strlcpy(drvinfo->driver, DRV_NAME, sizeof(drvinfo->driver)); 127f13bbc2fSNeel Patel strlcpy(drvinfo->version, DRV_VERSION, sizeof(drvinfo->version)); 128f13bbc2fSNeel Patel strlcpy(drvinfo->fw_version, fw_info->fw_version, 129f13bbc2fSNeel Patel sizeof(drvinfo->fw_version)); 130f13bbc2fSNeel Patel strlcpy(drvinfo->bus_info, pci_name(enic->pdev), 131f13bbc2fSNeel Patel sizeof(drvinfo->bus_info)); 132f13bbc2fSNeel Patel } 133f13bbc2fSNeel Patel 134f13bbc2fSNeel Patel static void enic_get_strings(struct net_device *netdev, u32 stringset, 135f13bbc2fSNeel Patel u8 *data) 136f13bbc2fSNeel Patel { 137f13bbc2fSNeel Patel unsigned int i; 138f13bbc2fSNeel Patel 139f13bbc2fSNeel Patel switch (stringset) { 140f13bbc2fSNeel Patel case ETH_SS_STATS: 141f13bbc2fSNeel Patel for (i = 0; i < enic_n_tx_stats; i++) { 142f13bbc2fSNeel Patel memcpy(data, enic_tx_stats[i].name, ETH_GSTRING_LEN); 143f13bbc2fSNeel Patel data += ETH_GSTRING_LEN; 144f13bbc2fSNeel Patel } 145f13bbc2fSNeel Patel for (i = 0; i < enic_n_rx_stats; i++) { 146f13bbc2fSNeel Patel memcpy(data, enic_rx_stats[i].name, ETH_GSTRING_LEN); 147f13bbc2fSNeel Patel data += ETH_GSTRING_LEN; 148f13bbc2fSNeel Patel } 149f13bbc2fSNeel Patel break; 150f13bbc2fSNeel Patel } 151f13bbc2fSNeel Patel } 152f13bbc2fSNeel Patel 153f13bbc2fSNeel Patel static int enic_get_sset_count(struct net_device *netdev, int sset) 154f13bbc2fSNeel Patel { 155f13bbc2fSNeel Patel switch (sset) { 156f13bbc2fSNeel Patel case ETH_SS_STATS: 157f13bbc2fSNeel Patel return enic_n_tx_stats + enic_n_rx_stats; 158f13bbc2fSNeel Patel default: 159f13bbc2fSNeel Patel return -EOPNOTSUPP; 160f13bbc2fSNeel Patel } 161f13bbc2fSNeel Patel } 162f13bbc2fSNeel Patel 163f13bbc2fSNeel Patel static void enic_get_ethtool_stats(struct net_device *netdev, 164f13bbc2fSNeel Patel struct ethtool_stats *stats, u64 *data) 165f13bbc2fSNeel Patel { 166f13bbc2fSNeel Patel struct enic *enic = netdev_priv(netdev); 167f13bbc2fSNeel Patel struct vnic_stats *vstats; 168f13bbc2fSNeel Patel unsigned int i; 169f13bbc2fSNeel Patel 170f13bbc2fSNeel Patel enic_dev_stats_dump(enic, &vstats); 171f13bbc2fSNeel Patel 172f13bbc2fSNeel Patel for (i = 0; i < enic_n_tx_stats; i++) 173f13bbc2fSNeel Patel *(data++) = ((u64 *)&vstats->tx)[enic_tx_stats[i].index]; 174f13bbc2fSNeel Patel for (i = 0; i < enic_n_rx_stats; i++) 175f13bbc2fSNeel Patel *(data++) = ((u64 *)&vstats->rx)[enic_rx_stats[i].index]; 176f13bbc2fSNeel Patel } 177f13bbc2fSNeel Patel 178f13bbc2fSNeel Patel static u32 enic_get_msglevel(struct net_device *netdev) 179f13bbc2fSNeel Patel { 180f13bbc2fSNeel Patel struct enic *enic = netdev_priv(netdev); 181f13bbc2fSNeel Patel return enic->msg_enable; 182f13bbc2fSNeel Patel } 183f13bbc2fSNeel Patel 184f13bbc2fSNeel Patel static void enic_set_msglevel(struct net_device *netdev, u32 value) 185f13bbc2fSNeel Patel { 186f13bbc2fSNeel Patel struct enic *enic = netdev_priv(netdev); 187f13bbc2fSNeel Patel enic->msg_enable = value; 188f13bbc2fSNeel Patel } 189f13bbc2fSNeel Patel 190f13bbc2fSNeel Patel static int enic_get_coalesce(struct net_device *netdev, 191f13bbc2fSNeel Patel struct ethtool_coalesce *ecmd) 192f13bbc2fSNeel Patel { 193f13bbc2fSNeel Patel struct enic *enic = netdev_priv(netdev); 1947c2ce6e6SSujith Sankar struct enic_rx_coal *rxcoal = &enic->rx_coalesce_setting; 195f13bbc2fSNeel Patel 196f13bbc2fSNeel Patel ecmd->tx_coalesce_usecs = enic->tx_coalesce_usecs; 197f13bbc2fSNeel Patel ecmd->rx_coalesce_usecs = enic->rx_coalesce_usecs; 1987c2ce6e6SSujith Sankar if (rxcoal->use_adaptive_rx_coalesce) 1997c2ce6e6SSujith Sankar ecmd->use_adaptive_rx_coalesce = 1; 2007c2ce6e6SSujith Sankar ecmd->rx_coalesce_usecs_low = rxcoal->small_pkt_range_start; 2017c2ce6e6SSujith Sankar ecmd->rx_coalesce_usecs_high = rxcoal->range_end; 202f13bbc2fSNeel Patel 203f13bbc2fSNeel Patel return 0; 204f13bbc2fSNeel Patel } 205f13bbc2fSNeel Patel 206f13bbc2fSNeel Patel static int enic_set_coalesce(struct net_device *netdev, 207f13bbc2fSNeel Patel struct ethtool_coalesce *ecmd) 208f13bbc2fSNeel Patel { 209f13bbc2fSNeel Patel struct enic *enic = netdev_priv(netdev); 210f13bbc2fSNeel Patel u32 tx_coalesce_usecs; 211f13bbc2fSNeel Patel u32 rx_coalesce_usecs; 2127c2ce6e6SSujith Sankar u32 rx_coalesce_usecs_low; 2137c2ce6e6SSujith Sankar u32 rx_coalesce_usecs_high; 2147c2ce6e6SSujith Sankar u32 coalesce_usecs_max; 215f13bbc2fSNeel Patel unsigned int i, intr; 2167c2ce6e6SSujith Sankar struct enic_rx_coal *rxcoal = &enic->rx_coalesce_setting; 217f13bbc2fSNeel Patel 2187c2ce6e6SSujith Sankar coalesce_usecs_max = vnic_dev_get_intr_coal_timer_max(enic->vdev); 219f13bbc2fSNeel Patel tx_coalesce_usecs = min_t(u32, ecmd->tx_coalesce_usecs, 2207c2ce6e6SSujith Sankar coalesce_usecs_max); 221f13bbc2fSNeel Patel rx_coalesce_usecs = min_t(u32, ecmd->rx_coalesce_usecs, 2227c2ce6e6SSujith Sankar coalesce_usecs_max); 2237c2ce6e6SSujith Sankar 2247c2ce6e6SSujith Sankar rx_coalesce_usecs_low = min_t(u32, ecmd->rx_coalesce_usecs_low, 2257c2ce6e6SSujith Sankar coalesce_usecs_max); 2267c2ce6e6SSujith Sankar rx_coalesce_usecs_high = min_t(u32, ecmd->rx_coalesce_usecs_high, 2277c2ce6e6SSujith Sankar coalesce_usecs_max); 228f13bbc2fSNeel Patel 229f13bbc2fSNeel Patel switch (vnic_dev_get_intr_mode(enic->vdev)) { 230f13bbc2fSNeel Patel case VNIC_DEV_INTR_MODE_INTX: 231f13bbc2fSNeel Patel if (tx_coalesce_usecs != rx_coalesce_usecs) 232f13bbc2fSNeel Patel return -EINVAL; 2337c2ce6e6SSujith Sankar if (ecmd->use_adaptive_rx_coalesce || 2347c2ce6e6SSujith Sankar ecmd->rx_coalesce_usecs_low || 2357c2ce6e6SSujith Sankar ecmd->rx_coalesce_usecs_high) 236a16a3361SGovindarajulu Varadarajan return -EINVAL; 237f13bbc2fSNeel Patel 238f13bbc2fSNeel Patel intr = enic_legacy_io_intr(); 239f13bbc2fSNeel Patel vnic_intr_coalescing_timer_set(&enic->intr[intr], 240f13bbc2fSNeel Patel tx_coalesce_usecs); 241f13bbc2fSNeel Patel break; 242f13bbc2fSNeel Patel case VNIC_DEV_INTR_MODE_MSI: 243f13bbc2fSNeel Patel if (tx_coalesce_usecs != rx_coalesce_usecs) 244f13bbc2fSNeel Patel return -EINVAL; 2457c2ce6e6SSujith Sankar if (ecmd->use_adaptive_rx_coalesce || 2467c2ce6e6SSujith Sankar ecmd->rx_coalesce_usecs_low || 2477c2ce6e6SSujith Sankar ecmd->rx_coalesce_usecs_high) 248a16a3361SGovindarajulu Varadarajan return -EINVAL; 249f13bbc2fSNeel Patel 250f13bbc2fSNeel Patel vnic_intr_coalescing_timer_set(&enic->intr[0], 251f13bbc2fSNeel Patel tx_coalesce_usecs); 252f13bbc2fSNeel Patel break; 253f13bbc2fSNeel Patel case VNIC_DEV_INTR_MODE_MSIX: 254a16a3361SGovindarajulu Varadarajan if (ecmd->rx_coalesce_usecs_high && 255a16a3361SGovindarajulu Varadarajan (rx_coalesce_usecs_high < 256a16a3361SGovindarajulu Varadarajan rx_coalesce_usecs_low + ENIC_AIC_LARGE_PKT_DIFF)) 257a16a3361SGovindarajulu Varadarajan return -EINVAL; 258a16a3361SGovindarajulu Varadarajan 259f13bbc2fSNeel Patel for (i = 0; i < enic->wq_count; i++) { 260f13bbc2fSNeel Patel intr = enic_msix_wq_intr(enic, i); 261f13bbc2fSNeel Patel vnic_intr_coalescing_timer_set(&enic->intr[intr], 262f13bbc2fSNeel Patel tx_coalesce_usecs); 263f13bbc2fSNeel Patel } 264f13bbc2fSNeel Patel 265a16a3361SGovindarajulu Varadarajan rxcoal->use_adaptive_rx_coalesce = 266a16a3361SGovindarajulu Varadarajan !!ecmd->use_adaptive_rx_coalesce; 267a16a3361SGovindarajulu Varadarajan if (!rxcoal->use_adaptive_rx_coalesce) 2687c2ce6e6SSujith Sankar enic_intr_coal_set_rx(enic, rx_coalesce_usecs); 269f13bbc2fSNeel Patel 2707c2ce6e6SSujith Sankar if (ecmd->rx_coalesce_usecs_high) { 2717c2ce6e6SSujith Sankar rxcoal->range_end = rx_coalesce_usecs_high; 2727c2ce6e6SSujith Sankar rxcoal->small_pkt_range_start = rx_coalesce_usecs_low; 2737c2ce6e6SSujith Sankar rxcoal->large_pkt_range_start = rx_coalesce_usecs_low + 2747c2ce6e6SSujith Sankar ENIC_AIC_LARGE_PKT_DIFF; 2757c2ce6e6SSujith Sankar } 276f13bbc2fSNeel Patel break; 277f13bbc2fSNeel Patel default: 278f13bbc2fSNeel Patel break; 279f13bbc2fSNeel Patel } 280f13bbc2fSNeel Patel 281f13bbc2fSNeel Patel enic->tx_coalesce_usecs = tx_coalesce_usecs; 282f13bbc2fSNeel Patel enic->rx_coalesce_usecs = rx_coalesce_usecs; 283f13bbc2fSNeel Patel 284f13bbc2fSNeel Patel return 0; 285f13bbc2fSNeel Patel } 286f13bbc2fSNeel Patel 2873762ff8fSGovindarajulu Varadarajan static int enic_grxclsrlall(struct enic *enic, struct ethtool_rxnfc *cmd, 2883762ff8fSGovindarajulu Varadarajan u32 *rule_locs) 2893762ff8fSGovindarajulu Varadarajan { 2903762ff8fSGovindarajulu Varadarajan int j, ret = 0, cnt = 0; 2913762ff8fSGovindarajulu Varadarajan 2923762ff8fSGovindarajulu Varadarajan cmd->data = enic->rfs_h.max - enic->rfs_h.free; 2933762ff8fSGovindarajulu Varadarajan for (j = 0; j < (1 << ENIC_RFS_FLW_BITSHIFT); j++) { 2943762ff8fSGovindarajulu Varadarajan struct hlist_head *hhead; 2953762ff8fSGovindarajulu Varadarajan struct hlist_node *tmp; 2963762ff8fSGovindarajulu Varadarajan struct enic_rfs_fltr_node *n; 2973762ff8fSGovindarajulu Varadarajan 2983762ff8fSGovindarajulu Varadarajan hhead = &enic->rfs_h.ht_head[j]; 2993762ff8fSGovindarajulu Varadarajan hlist_for_each_entry_safe(n, tmp, hhead, node) { 3003762ff8fSGovindarajulu Varadarajan if (cnt == cmd->rule_cnt) 3013762ff8fSGovindarajulu Varadarajan return -EMSGSIZE; 3023762ff8fSGovindarajulu Varadarajan rule_locs[cnt] = n->fltr_id; 3033762ff8fSGovindarajulu Varadarajan cnt++; 3043762ff8fSGovindarajulu Varadarajan } 3053762ff8fSGovindarajulu Varadarajan } 3063762ff8fSGovindarajulu Varadarajan cmd->rule_cnt = cnt; 3073762ff8fSGovindarajulu Varadarajan 3083762ff8fSGovindarajulu Varadarajan return ret; 3093762ff8fSGovindarajulu Varadarajan } 3103762ff8fSGovindarajulu Varadarajan 3113762ff8fSGovindarajulu Varadarajan static int enic_grxclsrule(struct enic *enic, struct ethtool_rxnfc *cmd) 3123762ff8fSGovindarajulu Varadarajan { 3133762ff8fSGovindarajulu Varadarajan struct ethtool_rx_flow_spec *fsp = 3143762ff8fSGovindarajulu Varadarajan (struct ethtool_rx_flow_spec *)&cmd->fs; 3153762ff8fSGovindarajulu Varadarajan struct enic_rfs_fltr_node *n; 3163762ff8fSGovindarajulu Varadarajan 3173762ff8fSGovindarajulu Varadarajan n = htbl_fltr_search(enic, (u16)fsp->location); 3183762ff8fSGovindarajulu Varadarajan if (!n) 3193762ff8fSGovindarajulu Varadarajan return -EINVAL; 3203762ff8fSGovindarajulu Varadarajan switch (n->keys.ip_proto) { 3213762ff8fSGovindarajulu Varadarajan case IPPROTO_TCP: 3223762ff8fSGovindarajulu Varadarajan fsp->flow_type = TCP_V4_FLOW; 3233762ff8fSGovindarajulu Varadarajan break; 3243762ff8fSGovindarajulu Varadarajan case IPPROTO_UDP: 3253762ff8fSGovindarajulu Varadarajan fsp->flow_type = UDP_V4_FLOW; 3263762ff8fSGovindarajulu Varadarajan break; 3273762ff8fSGovindarajulu Varadarajan default: 3283762ff8fSGovindarajulu Varadarajan return -EINVAL; 3293762ff8fSGovindarajulu Varadarajan break; 3303762ff8fSGovindarajulu Varadarajan } 3313762ff8fSGovindarajulu Varadarajan 3323762ff8fSGovindarajulu Varadarajan fsp->h_u.tcp_ip4_spec.ip4src = n->keys.src; 3333762ff8fSGovindarajulu Varadarajan fsp->m_u.tcp_ip4_spec.ip4src = (__u32)~0; 3343762ff8fSGovindarajulu Varadarajan 3353762ff8fSGovindarajulu Varadarajan fsp->h_u.tcp_ip4_spec.ip4dst = n->keys.dst; 3363762ff8fSGovindarajulu Varadarajan fsp->m_u.tcp_ip4_spec.ip4dst = (__u32)~0; 3373762ff8fSGovindarajulu Varadarajan 3383762ff8fSGovindarajulu Varadarajan fsp->h_u.tcp_ip4_spec.psrc = n->keys.port16[0]; 3393762ff8fSGovindarajulu Varadarajan fsp->m_u.tcp_ip4_spec.psrc = (__u16)~0; 3403762ff8fSGovindarajulu Varadarajan 3413762ff8fSGovindarajulu Varadarajan fsp->h_u.tcp_ip4_spec.pdst = n->keys.port16[1]; 3423762ff8fSGovindarajulu Varadarajan fsp->m_u.tcp_ip4_spec.pdst = (__u16)~0; 3433762ff8fSGovindarajulu Varadarajan 3443762ff8fSGovindarajulu Varadarajan fsp->ring_cookie = n->rq_id; 3453762ff8fSGovindarajulu Varadarajan 3463762ff8fSGovindarajulu Varadarajan return 0; 3473762ff8fSGovindarajulu Varadarajan } 3483762ff8fSGovindarajulu Varadarajan 3493762ff8fSGovindarajulu Varadarajan static int enic_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd, 3503762ff8fSGovindarajulu Varadarajan u32 *rule_locs) 3513762ff8fSGovindarajulu Varadarajan { 3523762ff8fSGovindarajulu Varadarajan struct enic *enic = netdev_priv(dev); 3533762ff8fSGovindarajulu Varadarajan int ret = 0; 3543762ff8fSGovindarajulu Varadarajan 3553762ff8fSGovindarajulu Varadarajan switch (cmd->cmd) { 3563762ff8fSGovindarajulu Varadarajan case ETHTOOL_GRXRINGS: 3573762ff8fSGovindarajulu Varadarajan cmd->data = enic->rq_count; 3583762ff8fSGovindarajulu Varadarajan break; 3593762ff8fSGovindarajulu Varadarajan case ETHTOOL_GRXCLSRLCNT: 3603762ff8fSGovindarajulu Varadarajan spin_lock_bh(&enic->rfs_h.lock); 3613762ff8fSGovindarajulu Varadarajan cmd->rule_cnt = enic->rfs_h.max - enic->rfs_h.free; 3623762ff8fSGovindarajulu Varadarajan cmd->data = enic->rfs_h.max; 3633762ff8fSGovindarajulu Varadarajan spin_unlock_bh(&enic->rfs_h.lock); 3643762ff8fSGovindarajulu Varadarajan break; 3653762ff8fSGovindarajulu Varadarajan case ETHTOOL_GRXCLSRLALL: 3663762ff8fSGovindarajulu Varadarajan spin_lock_bh(&enic->rfs_h.lock); 3673762ff8fSGovindarajulu Varadarajan ret = enic_grxclsrlall(enic, cmd, rule_locs); 3683762ff8fSGovindarajulu Varadarajan spin_unlock_bh(&enic->rfs_h.lock); 3693762ff8fSGovindarajulu Varadarajan break; 3703762ff8fSGovindarajulu Varadarajan case ETHTOOL_GRXCLSRULE: 3713762ff8fSGovindarajulu Varadarajan spin_lock_bh(&enic->rfs_h.lock); 3723762ff8fSGovindarajulu Varadarajan ret = enic_grxclsrule(enic, cmd); 3733762ff8fSGovindarajulu Varadarajan spin_unlock_bh(&enic->rfs_h.lock); 3743762ff8fSGovindarajulu Varadarajan break; 3753762ff8fSGovindarajulu Varadarajan default: 3763762ff8fSGovindarajulu Varadarajan ret = -EOPNOTSUPP; 3773762ff8fSGovindarajulu Varadarajan break; 3783762ff8fSGovindarajulu Varadarajan } 3793762ff8fSGovindarajulu Varadarajan 3803762ff8fSGovindarajulu Varadarajan return ret; 3813762ff8fSGovindarajulu Varadarajan } 3823762ff8fSGovindarajulu Varadarajan 383d4ad30b1SGovindarajulu Varadarajan static int enic_get_tunable(struct net_device *dev, 384d4ad30b1SGovindarajulu Varadarajan const struct ethtool_tunable *tuna, void *data) 385d4ad30b1SGovindarajulu Varadarajan { 386d4ad30b1SGovindarajulu Varadarajan struct enic *enic = netdev_priv(dev); 387d4ad30b1SGovindarajulu Varadarajan int ret = 0; 388d4ad30b1SGovindarajulu Varadarajan 389d4ad30b1SGovindarajulu Varadarajan switch (tuna->id) { 390d4ad30b1SGovindarajulu Varadarajan case ETHTOOL_RX_COPYBREAK: 391d4ad30b1SGovindarajulu Varadarajan *(u32 *)data = enic->rx_copybreak; 392d4ad30b1SGovindarajulu Varadarajan break; 393d4ad30b1SGovindarajulu Varadarajan default: 394d4ad30b1SGovindarajulu Varadarajan ret = -EINVAL; 395d4ad30b1SGovindarajulu Varadarajan break; 396d4ad30b1SGovindarajulu Varadarajan } 397d4ad30b1SGovindarajulu Varadarajan 398d4ad30b1SGovindarajulu Varadarajan return ret; 399d4ad30b1SGovindarajulu Varadarajan } 400d4ad30b1SGovindarajulu Varadarajan 401d4ad30b1SGovindarajulu Varadarajan static int enic_set_tunable(struct net_device *dev, 402d4ad30b1SGovindarajulu Varadarajan const struct ethtool_tunable *tuna, 403d4ad30b1SGovindarajulu Varadarajan const void *data) 404d4ad30b1SGovindarajulu Varadarajan { 405d4ad30b1SGovindarajulu Varadarajan struct enic *enic = netdev_priv(dev); 406d4ad30b1SGovindarajulu Varadarajan int ret = 0; 407d4ad30b1SGovindarajulu Varadarajan 408d4ad30b1SGovindarajulu Varadarajan switch (tuna->id) { 409d4ad30b1SGovindarajulu Varadarajan case ETHTOOL_RX_COPYBREAK: 410d4ad30b1SGovindarajulu Varadarajan enic->rx_copybreak = *(u32 *)data; 411d4ad30b1SGovindarajulu Varadarajan break; 412d4ad30b1SGovindarajulu Varadarajan default: 413d4ad30b1SGovindarajulu Varadarajan ret = -EINVAL; 414d4ad30b1SGovindarajulu Varadarajan break; 415d4ad30b1SGovindarajulu Varadarajan } 416d4ad30b1SGovindarajulu Varadarajan 417d4ad30b1SGovindarajulu Varadarajan return ret; 418d4ad30b1SGovindarajulu Varadarajan } 419d4ad30b1SGovindarajulu Varadarajan 4204f675eb2SGovindarajulu Varadarajan static u32 enic_get_rxfh_key_size(struct net_device *netdev) 4214f675eb2SGovindarajulu Varadarajan { 4224f675eb2SGovindarajulu Varadarajan return ENIC_RSS_LEN; 4234f675eb2SGovindarajulu Varadarajan } 4244f675eb2SGovindarajulu Varadarajan 4254f675eb2SGovindarajulu Varadarajan static int enic_get_rxfh(struct net_device *netdev, u32 *indir, u8 *hkey, 4264f675eb2SGovindarajulu Varadarajan u8 *hfunc) 4274f675eb2SGovindarajulu Varadarajan { 4284f675eb2SGovindarajulu Varadarajan struct enic *enic = netdev_priv(netdev); 4294f675eb2SGovindarajulu Varadarajan 4304f675eb2SGovindarajulu Varadarajan if (hkey) 4314f675eb2SGovindarajulu Varadarajan memcpy(hkey, enic->rss_key, ENIC_RSS_LEN); 4324f675eb2SGovindarajulu Varadarajan 4334f675eb2SGovindarajulu Varadarajan if (hfunc) 4344f675eb2SGovindarajulu Varadarajan *hfunc = ETH_RSS_HASH_TOP; 4354f675eb2SGovindarajulu Varadarajan 4364f675eb2SGovindarajulu Varadarajan return 0; 4374f675eb2SGovindarajulu Varadarajan } 4384f675eb2SGovindarajulu Varadarajan 4394f675eb2SGovindarajulu Varadarajan static int enic_set_rxfh(struct net_device *netdev, const u32 *indir, 4404f675eb2SGovindarajulu Varadarajan const u8 *hkey, const u8 hfunc) 4414f675eb2SGovindarajulu Varadarajan { 4424f675eb2SGovindarajulu Varadarajan struct enic *enic = netdev_priv(netdev); 4434f675eb2SGovindarajulu Varadarajan 4444f675eb2SGovindarajulu Varadarajan if ((hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP) || 4454f675eb2SGovindarajulu Varadarajan indir) 4464f675eb2SGovindarajulu Varadarajan return -EINVAL; 4474f675eb2SGovindarajulu Varadarajan 4484f675eb2SGovindarajulu Varadarajan if (hkey) 4494f675eb2SGovindarajulu Varadarajan memcpy(enic->rss_key, hkey, ENIC_RSS_LEN); 4504f675eb2SGovindarajulu Varadarajan 4514f675eb2SGovindarajulu Varadarajan return __enic_set_rsskey(enic); 4524f675eb2SGovindarajulu Varadarajan } 4534f675eb2SGovindarajulu Varadarajan 454f13bbc2fSNeel Patel static const struct ethtool_ops enic_ethtool_ops = { 455f13bbc2fSNeel Patel .get_settings = enic_get_settings, 456f13bbc2fSNeel Patel .get_drvinfo = enic_get_drvinfo, 457f13bbc2fSNeel Patel .get_msglevel = enic_get_msglevel, 458f13bbc2fSNeel Patel .set_msglevel = enic_set_msglevel, 459f13bbc2fSNeel Patel .get_link = ethtool_op_get_link, 460f13bbc2fSNeel Patel .get_strings = enic_get_strings, 461f13bbc2fSNeel Patel .get_sset_count = enic_get_sset_count, 462f13bbc2fSNeel Patel .get_ethtool_stats = enic_get_ethtool_stats, 463f13bbc2fSNeel Patel .get_coalesce = enic_get_coalesce, 464f13bbc2fSNeel Patel .set_coalesce = enic_set_coalesce, 4653762ff8fSGovindarajulu Varadarajan .get_rxnfc = enic_get_rxnfc, 466d4ad30b1SGovindarajulu Varadarajan .get_tunable = enic_get_tunable, 467d4ad30b1SGovindarajulu Varadarajan .set_tunable = enic_set_tunable, 4684f675eb2SGovindarajulu Varadarajan .get_rxfh_key_size = enic_get_rxfh_key_size, 4694f675eb2SGovindarajulu Varadarajan .get_rxfh = enic_get_rxfh, 4704f675eb2SGovindarajulu Varadarajan .set_rxfh = enic_set_rxfh, 471f13bbc2fSNeel Patel }; 472f13bbc2fSNeel Patel 473f13bbc2fSNeel Patel void enic_set_ethtool_ops(struct net_device *netdev) 474f13bbc2fSNeel Patel { 4757ad24ea4SWilfried Klaebe netdev->ethtool_ops = &enic_ethtool_ops; 476f13bbc2fSNeel Patel } 477