Sunil Goutham | 4863dea | 2015-05-26 19:20:15 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2015 Cavium, Inc. |
| 3 | * |
| 4 | * This program is free software; you can redistribute it and/or modify it |
| 5 | * under the terms of version 2 of the GNU General Public License |
| 6 | * as published by the Free Software Foundation. |
| 7 | */ |
| 8 | |
| 9 | /* ETHTOOL Support for VNIC_VF Device*/ |
| 10 | |
| 11 | #include <linux/pci.h> |
| 12 | |
| 13 | #include "nic_reg.h" |
| 14 | #include "nic.h" |
| 15 | #include "nicvf_queues.h" |
| 16 | #include "q_struct.h" |
| 17 | #include "thunder_bgx.h" |
| 18 | |
| 19 | #define DRV_NAME "thunder-nicvf" |
| 20 | #define DRV_VERSION "1.0" |
| 21 | |
| 22 | struct nicvf_stat { |
| 23 | char name[ETH_GSTRING_LEN]; |
| 24 | unsigned int index; |
| 25 | }; |
| 26 | |
| 27 | #define NICVF_HW_STAT(stat) { \ |
| 28 | .name = #stat, \ |
| 29 | .index = offsetof(struct nicvf_hw_stats, stat) / sizeof(u64), \ |
| 30 | } |
| 31 | |
| 32 | #define NICVF_DRV_STAT(stat) { \ |
| 33 | .name = #stat, \ |
| 34 | .index = offsetof(struct nicvf_drv_stats, stat) / sizeof(u64), \ |
| 35 | } |
| 36 | |
| 37 | static const struct nicvf_stat nicvf_hw_stats[] = { |
Sunil Goutham | a2dc5de | 2015-08-30 12:29:10 +0300 | [diff] [blame] | 38 | NICVF_HW_STAT(rx_bytes), |
| 39 | NICVF_HW_STAT(rx_ucast_frames), |
| 40 | NICVF_HW_STAT(rx_bcast_frames), |
| 41 | NICVF_HW_STAT(rx_mcast_frames), |
Sunil Goutham | 4863dea | 2015-05-26 19:20:15 -0700 | [diff] [blame] | 42 | NICVF_HW_STAT(rx_fcs_errors), |
| 43 | NICVF_HW_STAT(rx_l2_errors), |
| 44 | NICVF_HW_STAT(rx_drop_red), |
| 45 | NICVF_HW_STAT(rx_drop_red_bytes), |
| 46 | NICVF_HW_STAT(rx_drop_overrun), |
| 47 | NICVF_HW_STAT(rx_drop_overrun_bytes), |
| 48 | NICVF_HW_STAT(rx_drop_bcast), |
| 49 | NICVF_HW_STAT(rx_drop_mcast), |
| 50 | NICVF_HW_STAT(rx_drop_l3_bcast), |
| 51 | NICVF_HW_STAT(rx_drop_l3_mcast), |
Sunil Goutham | a2dc5de | 2015-08-30 12:29:10 +0300 | [diff] [blame] | 52 | NICVF_HW_STAT(rx_bgx_truncated_pkts), |
| 53 | NICVF_HW_STAT(rx_jabber_errs), |
| 54 | NICVF_HW_STAT(rx_fcs_errs), |
| 55 | NICVF_HW_STAT(rx_bgx_errs), |
| 56 | NICVF_HW_STAT(rx_prel2_errs), |
| 57 | NICVF_HW_STAT(rx_l2_hdr_malformed), |
| 58 | NICVF_HW_STAT(rx_oversize), |
| 59 | NICVF_HW_STAT(rx_undersize), |
| 60 | NICVF_HW_STAT(rx_l2_len_mismatch), |
| 61 | NICVF_HW_STAT(rx_l2_pclp), |
| 62 | NICVF_HW_STAT(rx_ip_ver_errs), |
| 63 | NICVF_HW_STAT(rx_ip_csum_errs), |
| 64 | NICVF_HW_STAT(rx_ip_hdr_malformed), |
| 65 | NICVF_HW_STAT(rx_ip_payload_malformed), |
| 66 | NICVF_HW_STAT(rx_ip_ttl_errs), |
| 67 | NICVF_HW_STAT(rx_l3_pclp), |
| 68 | NICVF_HW_STAT(rx_l4_malformed), |
| 69 | NICVF_HW_STAT(rx_l4_csum_errs), |
| 70 | NICVF_HW_STAT(rx_udp_len_errs), |
| 71 | NICVF_HW_STAT(rx_l4_port_errs), |
| 72 | NICVF_HW_STAT(rx_tcp_flag_errs), |
| 73 | NICVF_HW_STAT(rx_tcp_offset_errs), |
| 74 | NICVF_HW_STAT(rx_l4_pclp), |
| 75 | NICVF_HW_STAT(rx_truncated_pkts), |
Sunil Goutham | 4863dea | 2015-05-26 19:20:15 -0700 | [diff] [blame] | 76 | NICVF_HW_STAT(tx_bytes_ok), |
| 77 | NICVF_HW_STAT(tx_ucast_frames_ok), |
| 78 | NICVF_HW_STAT(tx_bcast_frames_ok), |
| 79 | NICVF_HW_STAT(tx_mcast_frames_ok), |
| 80 | }; |
| 81 | |
| 82 | static const struct nicvf_stat nicvf_drv_stats[] = { |
| 83 | NICVF_DRV_STAT(rx_frames_ok), |
| 84 | NICVF_DRV_STAT(rx_frames_64), |
| 85 | NICVF_DRV_STAT(rx_frames_127), |
| 86 | NICVF_DRV_STAT(rx_frames_255), |
| 87 | NICVF_DRV_STAT(rx_frames_511), |
| 88 | NICVF_DRV_STAT(rx_frames_1023), |
| 89 | NICVF_DRV_STAT(rx_frames_1518), |
| 90 | NICVF_DRV_STAT(rx_frames_jumbo), |
| 91 | NICVF_DRV_STAT(rx_drops), |
| 92 | NICVF_DRV_STAT(tx_frames_ok), |
Sunil Goutham | 4863dea | 2015-05-26 19:20:15 -0700 | [diff] [blame] | 93 | NICVF_DRV_STAT(tx_tso), |
| 94 | NICVF_DRV_STAT(tx_drops), |
Sunil Goutham | 74840b8 | 2015-07-29 16:49:42 +0300 | [diff] [blame] | 95 | NICVF_DRV_STAT(txq_stop), |
| 96 | NICVF_DRV_STAT(txq_wake), |
Sunil Goutham | 4863dea | 2015-05-26 19:20:15 -0700 | [diff] [blame] | 97 | }; |
| 98 | |
| 99 | static const struct nicvf_stat nicvf_queue_stats[] = { |
| 100 | { "bytes", 0 }, |
| 101 | { "frames", 1 }, |
| 102 | }; |
| 103 | |
| 104 | static const unsigned int nicvf_n_hw_stats = ARRAY_SIZE(nicvf_hw_stats); |
| 105 | static const unsigned int nicvf_n_drv_stats = ARRAY_SIZE(nicvf_drv_stats); |
| 106 | static const unsigned int nicvf_n_queue_stats = ARRAY_SIZE(nicvf_queue_stats); |
| 107 | |
| 108 | static int nicvf_get_settings(struct net_device *netdev, |
| 109 | struct ethtool_cmd *cmd) |
| 110 | { |
| 111 | struct nicvf *nic = netdev_priv(netdev); |
| 112 | |
| 113 | cmd->supported = 0; |
| 114 | cmd->transceiver = XCVR_EXTERNAL; |
| 115 | if (nic->speed <= 1000) { |
| 116 | cmd->port = PORT_MII; |
| 117 | cmd->autoneg = AUTONEG_ENABLE; |
| 118 | } else { |
| 119 | cmd->port = PORT_FIBRE; |
| 120 | cmd->autoneg = AUTONEG_DISABLE; |
| 121 | } |
| 122 | cmd->duplex = nic->duplex; |
| 123 | ethtool_cmd_speed_set(cmd, nic->speed); |
| 124 | |
| 125 | return 0; |
| 126 | } |
| 127 | |
| 128 | static void nicvf_get_drvinfo(struct net_device *netdev, |
| 129 | struct ethtool_drvinfo *info) |
| 130 | { |
| 131 | struct nicvf *nic = netdev_priv(netdev); |
| 132 | |
| 133 | strlcpy(info->driver, DRV_NAME, sizeof(info->driver)); |
| 134 | strlcpy(info->version, DRV_VERSION, sizeof(info->version)); |
| 135 | strlcpy(info->bus_info, pci_name(nic->pdev), sizeof(info->bus_info)); |
| 136 | } |
| 137 | |
| 138 | static u32 nicvf_get_msglevel(struct net_device *netdev) |
| 139 | { |
| 140 | struct nicvf *nic = netdev_priv(netdev); |
| 141 | |
| 142 | return nic->msg_enable; |
| 143 | } |
| 144 | |
| 145 | static void nicvf_set_msglevel(struct net_device *netdev, u32 lvl) |
| 146 | { |
| 147 | struct nicvf *nic = netdev_priv(netdev); |
| 148 | |
| 149 | nic->msg_enable = lvl; |
| 150 | } |
| 151 | |
Sunil Goutham | 92dc876 | 2015-08-30 12:29:15 +0300 | [diff] [blame] | 152 | static void nicvf_get_qset_strings(struct nicvf *nic, u8 **data, int qset) |
| 153 | { |
| 154 | int stats, qidx; |
| 155 | int start_qidx = qset * MAX_RCV_QUEUES_PER_QS; |
| 156 | |
| 157 | for (qidx = 0; qidx < nic->qs->rq_cnt; qidx++) { |
| 158 | for (stats = 0; stats < nicvf_n_queue_stats; stats++) { |
| 159 | sprintf(*data, "rxq%d: %s", qidx + start_qidx, |
| 160 | nicvf_queue_stats[stats].name); |
| 161 | *data += ETH_GSTRING_LEN; |
| 162 | } |
| 163 | } |
| 164 | |
| 165 | for (qidx = 0; qidx < nic->qs->sq_cnt; qidx++) { |
| 166 | for (stats = 0; stats < nicvf_n_queue_stats; stats++) { |
| 167 | sprintf(*data, "txq%d: %s", qidx + start_qidx, |
| 168 | nicvf_queue_stats[stats].name); |
| 169 | *data += ETH_GSTRING_LEN; |
| 170 | } |
| 171 | } |
| 172 | } |
| 173 | |
Sunil Goutham | 4863dea | 2015-05-26 19:20:15 -0700 | [diff] [blame] | 174 | static void nicvf_get_strings(struct net_device *netdev, u32 sset, u8 *data) |
| 175 | { |
Sunil Goutham | c62cd3c | 2015-07-29 16:49:39 +0300 | [diff] [blame] | 176 | struct nicvf *nic = netdev_priv(netdev); |
Sunil Goutham | 92dc876 | 2015-08-30 12:29:15 +0300 | [diff] [blame] | 177 | int stats; |
| 178 | int sqs; |
Sunil Goutham | 4863dea | 2015-05-26 19:20:15 -0700 | [diff] [blame] | 179 | |
| 180 | if (sset != ETH_SS_STATS) |
| 181 | return; |
| 182 | |
| 183 | for (stats = 0; stats < nicvf_n_hw_stats; stats++) { |
| 184 | memcpy(data, nicvf_hw_stats[stats].name, ETH_GSTRING_LEN); |
| 185 | data += ETH_GSTRING_LEN; |
| 186 | } |
| 187 | |
| 188 | for (stats = 0; stats < nicvf_n_drv_stats; stats++) { |
| 189 | memcpy(data, nicvf_drv_stats[stats].name, ETH_GSTRING_LEN); |
| 190 | data += ETH_GSTRING_LEN; |
| 191 | } |
| 192 | |
Sunil Goutham | 92dc876 | 2015-08-30 12:29:15 +0300 | [diff] [blame] | 193 | nicvf_get_qset_strings(nic, &data, 0); |
Sunil Goutham | 4863dea | 2015-05-26 19:20:15 -0700 | [diff] [blame] | 194 | |
Sunil Goutham | 92dc876 | 2015-08-30 12:29:15 +0300 | [diff] [blame] | 195 | for (sqs = 0; sqs < nic->sqs_count; sqs++) { |
| 196 | if (!nic->snicvf[sqs]) |
| 197 | continue; |
| 198 | nicvf_get_qset_strings(nic->snicvf[sqs], &data, sqs + 1); |
Sunil Goutham | 4863dea | 2015-05-26 19:20:15 -0700 | [diff] [blame] | 199 | } |
| 200 | |
| 201 | for (stats = 0; stats < BGX_RX_STATS_COUNT; stats++) { |
| 202 | sprintf(data, "bgx_rxstat%d: ", stats); |
| 203 | data += ETH_GSTRING_LEN; |
| 204 | } |
| 205 | |
| 206 | for (stats = 0; stats < BGX_TX_STATS_COUNT; stats++) { |
| 207 | sprintf(data, "bgx_txstat%d: ", stats); |
| 208 | data += ETH_GSTRING_LEN; |
| 209 | } |
| 210 | } |
| 211 | |
| 212 | static int nicvf_get_sset_count(struct net_device *netdev, int sset) |
| 213 | { |
Sunil Goutham | c62cd3c | 2015-07-29 16:49:39 +0300 | [diff] [blame] | 214 | struct nicvf *nic = netdev_priv(netdev); |
Sunil Goutham | 92dc876 | 2015-08-30 12:29:15 +0300 | [diff] [blame] | 215 | int qstats_count; |
| 216 | int sqs; |
Sunil Goutham | c62cd3c | 2015-07-29 16:49:39 +0300 | [diff] [blame] | 217 | |
Sunil Goutham | 4863dea | 2015-05-26 19:20:15 -0700 | [diff] [blame] | 218 | if (sset != ETH_SS_STATS) |
| 219 | return -EINVAL; |
| 220 | |
Sunil Goutham | 92dc876 | 2015-08-30 12:29:15 +0300 | [diff] [blame] | 221 | qstats_count = nicvf_n_queue_stats * |
| 222 | (nic->qs->rq_cnt + nic->qs->sq_cnt); |
| 223 | for (sqs = 0; sqs < nic->sqs_count; sqs++) { |
| 224 | struct nicvf *snic; |
| 225 | |
| 226 | snic = nic->snicvf[sqs]; |
| 227 | if (!snic) |
| 228 | continue; |
| 229 | qstats_count += nicvf_n_queue_stats * |
| 230 | (snic->qs->rq_cnt + snic->qs->sq_cnt); |
| 231 | } |
| 232 | |
Sunil Goutham | 4863dea | 2015-05-26 19:20:15 -0700 | [diff] [blame] | 233 | return nicvf_n_hw_stats + nicvf_n_drv_stats + |
Sunil Goutham | 92dc876 | 2015-08-30 12:29:15 +0300 | [diff] [blame] | 234 | qstats_count + |
Sunil Goutham | 4863dea | 2015-05-26 19:20:15 -0700 | [diff] [blame] | 235 | BGX_RX_STATS_COUNT + BGX_TX_STATS_COUNT; |
| 236 | } |
| 237 | |
Sunil Goutham | 92dc876 | 2015-08-30 12:29:15 +0300 | [diff] [blame] | 238 | static void nicvf_get_qset_stats(struct nicvf *nic, |
| 239 | struct ethtool_stats *stats, u64 **data) |
| 240 | { |
| 241 | int stat, qidx; |
| 242 | |
| 243 | if (!nic) |
| 244 | return; |
| 245 | |
| 246 | for (qidx = 0; qidx < nic->qs->rq_cnt; qidx++) { |
| 247 | nicvf_update_rq_stats(nic, qidx); |
| 248 | for (stat = 0; stat < nicvf_n_queue_stats; stat++) |
| 249 | *((*data)++) = ((u64 *)&nic->qs->rq[qidx].stats) |
| 250 | [nicvf_queue_stats[stat].index]; |
| 251 | } |
| 252 | |
| 253 | for (qidx = 0; qidx < nic->qs->sq_cnt; qidx++) { |
| 254 | nicvf_update_sq_stats(nic, qidx); |
| 255 | for (stat = 0; stat < nicvf_n_queue_stats; stat++) |
| 256 | *((*data)++) = ((u64 *)&nic->qs->sq[qidx].stats) |
| 257 | [nicvf_queue_stats[stat].index]; |
| 258 | } |
| 259 | } |
| 260 | |
Sunil Goutham | 4863dea | 2015-05-26 19:20:15 -0700 | [diff] [blame] | 261 | static void nicvf_get_ethtool_stats(struct net_device *netdev, |
| 262 | struct ethtool_stats *stats, u64 *data) |
| 263 | { |
| 264 | struct nicvf *nic = netdev_priv(netdev); |
Sunil Goutham | 92dc876 | 2015-08-30 12:29:15 +0300 | [diff] [blame] | 265 | int stat; |
| 266 | int sqs; |
Sunil Goutham | 4863dea | 2015-05-26 19:20:15 -0700 | [diff] [blame] | 267 | |
| 268 | nicvf_update_stats(nic); |
| 269 | |
| 270 | /* Update LMAC stats */ |
| 271 | nicvf_update_lmac_stats(nic); |
| 272 | |
| 273 | for (stat = 0; stat < nicvf_n_hw_stats; stat++) |
Sunil Goutham | a2dc5de | 2015-08-30 12:29:10 +0300 | [diff] [blame] | 274 | *(data++) = ((u64 *)&nic->hw_stats) |
Sunil Goutham | 4863dea | 2015-05-26 19:20:15 -0700 | [diff] [blame] | 275 | [nicvf_hw_stats[stat].index]; |
| 276 | for (stat = 0; stat < nicvf_n_drv_stats; stat++) |
| 277 | *(data++) = ((u64 *)&nic->drv_stats) |
| 278 | [nicvf_drv_stats[stat].index]; |
| 279 | |
Sunil Goutham | 92dc876 | 2015-08-30 12:29:15 +0300 | [diff] [blame] | 280 | nicvf_get_qset_stats(nic, stats, &data); |
Sunil Goutham | 4863dea | 2015-05-26 19:20:15 -0700 | [diff] [blame] | 281 | |
Sunil Goutham | 92dc876 | 2015-08-30 12:29:15 +0300 | [diff] [blame] | 282 | for (sqs = 0; sqs < nic->sqs_count; sqs++) { |
| 283 | if (!nic->snicvf[sqs]) |
| 284 | continue; |
| 285 | nicvf_get_qset_stats(nic->snicvf[sqs], stats, &data); |
Sunil Goutham | 4863dea | 2015-05-26 19:20:15 -0700 | [diff] [blame] | 286 | } |
| 287 | |
| 288 | for (stat = 0; stat < BGX_RX_STATS_COUNT; stat++) |
| 289 | *(data++) = nic->bgx_stats.rx_stats[stat]; |
| 290 | for (stat = 0; stat < BGX_TX_STATS_COUNT; stat++) |
| 291 | *(data++) = nic->bgx_stats.tx_stats[stat]; |
| 292 | } |
| 293 | |
| 294 | static int nicvf_get_regs_len(struct net_device *dev) |
| 295 | { |
| 296 | return sizeof(u64) * NIC_VF_REG_COUNT; |
| 297 | } |
| 298 | |
| 299 | static void nicvf_get_regs(struct net_device *dev, |
| 300 | struct ethtool_regs *regs, void *reg) |
| 301 | { |
| 302 | struct nicvf *nic = netdev_priv(dev); |
| 303 | u64 *p = (u64 *)reg; |
| 304 | u64 reg_offset; |
| 305 | int mbox, key, stat, q; |
| 306 | int i = 0; |
| 307 | |
| 308 | regs->version = 0; |
| 309 | memset(p, 0, NIC_VF_REG_COUNT); |
| 310 | |
| 311 | p[i++] = nicvf_reg_read(nic, NIC_VNIC_CFG); |
| 312 | /* Mailbox registers */ |
| 313 | for (mbox = 0; mbox < NIC_PF_VF_MAILBOX_SIZE; mbox++) |
| 314 | p[i++] = nicvf_reg_read(nic, |
| 315 | NIC_VF_PF_MAILBOX_0_1 | (mbox << 3)); |
| 316 | |
| 317 | p[i++] = nicvf_reg_read(nic, NIC_VF_INT); |
| 318 | p[i++] = nicvf_reg_read(nic, NIC_VF_INT_W1S); |
| 319 | p[i++] = nicvf_reg_read(nic, NIC_VF_ENA_W1C); |
| 320 | p[i++] = nicvf_reg_read(nic, NIC_VF_ENA_W1S); |
| 321 | p[i++] = nicvf_reg_read(nic, NIC_VNIC_RSS_CFG); |
| 322 | |
| 323 | for (key = 0; key < RSS_HASH_KEY_SIZE; key++) |
| 324 | p[i++] = nicvf_reg_read(nic, NIC_VNIC_RSS_KEY_0_4 | (key << 3)); |
| 325 | |
| 326 | /* Tx/Rx statistics */ |
| 327 | for (stat = 0; stat < TX_STATS_ENUM_LAST; stat++) |
| 328 | p[i++] = nicvf_reg_read(nic, |
| 329 | NIC_VNIC_TX_STAT_0_4 | (stat << 3)); |
| 330 | |
| 331 | for (i = 0; i < RX_STATS_ENUM_LAST; i++) |
| 332 | p[i++] = nicvf_reg_read(nic, |
| 333 | NIC_VNIC_RX_STAT_0_13 | (stat << 3)); |
| 334 | |
| 335 | p[i++] = nicvf_reg_read(nic, NIC_QSET_RQ_GEN_CFG); |
| 336 | |
| 337 | /* All completion queue's registers */ |
| 338 | for (q = 0; q < MAX_CMP_QUEUES_PER_QS; q++) { |
| 339 | p[i++] = nicvf_queue_reg_read(nic, NIC_QSET_CQ_0_7_CFG, q); |
| 340 | p[i++] = nicvf_queue_reg_read(nic, NIC_QSET_CQ_0_7_CFG2, q); |
| 341 | p[i++] = nicvf_queue_reg_read(nic, NIC_QSET_CQ_0_7_THRESH, q); |
| 342 | p[i++] = nicvf_queue_reg_read(nic, NIC_QSET_CQ_0_7_BASE, q); |
| 343 | p[i++] = nicvf_queue_reg_read(nic, NIC_QSET_CQ_0_7_HEAD, q); |
| 344 | p[i++] = nicvf_queue_reg_read(nic, NIC_QSET_CQ_0_7_TAIL, q); |
| 345 | p[i++] = nicvf_queue_reg_read(nic, NIC_QSET_CQ_0_7_DOOR, q); |
| 346 | p[i++] = nicvf_queue_reg_read(nic, NIC_QSET_CQ_0_7_STATUS, q); |
| 347 | p[i++] = nicvf_queue_reg_read(nic, NIC_QSET_CQ_0_7_STATUS2, q); |
| 348 | p[i++] = nicvf_queue_reg_read(nic, NIC_QSET_CQ_0_7_DEBUG, q); |
| 349 | } |
| 350 | |
| 351 | /* All receive queue's registers */ |
| 352 | for (q = 0; q < MAX_RCV_QUEUES_PER_QS; q++) { |
| 353 | p[i++] = nicvf_queue_reg_read(nic, NIC_QSET_RQ_0_7_CFG, q); |
| 354 | p[i++] = nicvf_queue_reg_read(nic, |
| 355 | NIC_QSET_RQ_0_7_STAT_0_1, q); |
| 356 | reg_offset = NIC_QSET_RQ_0_7_STAT_0_1 | (1 << 3); |
| 357 | p[i++] = nicvf_queue_reg_read(nic, reg_offset, q); |
| 358 | } |
| 359 | |
| 360 | for (q = 0; q < MAX_SND_QUEUES_PER_QS; q++) { |
| 361 | p[i++] = nicvf_queue_reg_read(nic, NIC_QSET_SQ_0_7_CFG, q); |
| 362 | p[i++] = nicvf_queue_reg_read(nic, NIC_QSET_SQ_0_7_THRESH, q); |
| 363 | p[i++] = nicvf_queue_reg_read(nic, NIC_QSET_SQ_0_7_BASE, q); |
| 364 | p[i++] = nicvf_queue_reg_read(nic, NIC_QSET_SQ_0_7_HEAD, q); |
| 365 | p[i++] = nicvf_queue_reg_read(nic, NIC_QSET_SQ_0_7_TAIL, q); |
| 366 | p[i++] = nicvf_queue_reg_read(nic, NIC_QSET_SQ_0_7_DOOR, q); |
| 367 | p[i++] = nicvf_queue_reg_read(nic, NIC_QSET_SQ_0_7_STATUS, q); |
| 368 | p[i++] = nicvf_queue_reg_read(nic, NIC_QSET_SQ_0_7_DEBUG, q); |
| 369 | p[i++] = nicvf_queue_reg_read(nic, NIC_QSET_SQ_0_7_CNM_CHG, q); |
| 370 | p[i++] = nicvf_queue_reg_read(nic, NIC_QSET_SQ_0_7_STAT_0_1, q); |
| 371 | reg_offset = NIC_QSET_SQ_0_7_STAT_0_1 | (1 << 3); |
| 372 | p[i++] = nicvf_queue_reg_read(nic, reg_offset, q); |
| 373 | } |
| 374 | |
| 375 | for (q = 0; q < MAX_RCV_BUF_DESC_RINGS_PER_QS; q++) { |
| 376 | p[i++] = nicvf_queue_reg_read(nic, NIC_QSET_RBDR_0_1_CFG, q); |
| 377 | p[i++] = nicvf_queue_reg_read(nic, NIC_QSET_RBDR_0_1_THRESH, q); |
| 378 | p[i++] = nicvf_queue_reg_read(nic, NIC_QSET_RBDR_0_1_BASE, q); |
| 379 | p[i++] = nicvf_queue_reg_read(nic, NIC_QSET_RBDR_0_1_HEAD, q); |
| 380 | p[i++] = nicvf_queue_reg_read(nic, NIC_QSET_RBDR_0_1_TAIL, q); |
| 381 | p[i++] = nicvf_queue_reg_read(nic, NIC_QSET_RBDR_0_1_DOOR, q); |
| 382 | p[i++] = nicvf_queue_reg_read(nic, |
| 383 | NIC_QSET_RBDR_0_1_STATUS0, q); |
| 384 | p[i++] = nicvf_queue_reg_read(nic, |
| 385 | NIC_QSET_RBDR_0_1_STATUS1, q); |
| 386 | reg_offset = NIC_QSET_RBDR_0_1_PREFETCH_STATUS; |
| 387 | p[i++] = nicvf_queue_reg_read(nic, reg_offset, q); |
| 388 | } |
| 389 | } |
| 390 | |
| 391 | static int nicvf_get_coalesce(struct net_device *netdev, |
| 392 | struct ethtool_coalesce *cmd) |
| 393 | { |
| 394 | struct nicvf *nic = netdev_priv(netdev); |
| 395 | |
| 396 | cmd->rx_coalesce_usecs = nic->cq_coalesce_usecs; |
| 397 | return 0; |
| 398 | } |
| 399 | |
| 400 | static void nicvf_get_ringparam(struct net_device *netdev, |
| 401 | struct ethtool_ringparam *ring) |
| 402 | { |
| 403 | struct nicvf *nic = netdev_priv(netdev); |
| 404 | struct queue_set *qs = nic->qs; |
| 405 | |
| 406 | ring->rx_max_pending = MAX_RCV_BUF_COUNT; |
| 407 | ring->rx_pending = qs->rbdr_len; |
| 408 | ring->tx_max_pending = MAX_SND_QUEUE_LEN; |
| 409 | ring->tx_pending = qs->sq_len; |
| 410 | } |
| 411 | |
| 412 | static int nicvf_get_rss_hash_opts(struct nicvf *nic, |
| 413 | struct ethtool_rxnfc *info) |
| 414 | { |
| 415 | info->data = 0; |
| 416 | |
| 417 | switch (info->flow_type) { |
| 418 | case TCP_V4_FLOW: |
| 419 | case TCP_V6_FLOW: |
| 420 | case UDP_V4_FLOW: |
| 421 | case UDP_V6_FLOW: |
| 422 | case SCTP_V4_FLOW: |
| 423 | case SCTP_V6_FLOW: |
| 424 | info->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3; |
| 425 | case IPV4_FLOW: |
| 426 | case IPV6_FLOW: |
| 427 | info->data |= RXH_IP_SRC | RXH_IP_DST; |
| 428 | break; |
| 429 | default: |
| 430 | return -EINVAL; |
| 431 | } |
| 432 | |
| 433 | return 0; |
| 434 | } |
| 435 | |
| 436 | static int nicvf_get_rxnfc(struct net_device *dev, |
| 437 | struct ethtool_rxnfc *info, u32 *rules) |
| 438 | { |
| 439 | struct nicvf *nic = netdev_priv(dev); |
| 440 | int ret = -EOPNOTSUPP; |
| 441 | |
| 442 | switch (info->cmd) { |
| 443 | case ETHTOOL_GRXRINGS: |
Sunil Goutham | 92dc876 | 2015-08-30 12:29:15 +0300 | [diff] [blame] | 444 | info->data = nic->rx_queues; |
Sunil Goutham | 4863dea | 2015-05-26 19:20:15 -0700 | [diff] [blame] | 445 | ret = 0; |
| 446 | break; |
| 447 | case ETHTOOL_GRXFH: |
| 448 | return nicvf_get_rss_hash_opts(nic, info); |
| 449 | default: |
| 450 | break; |
| 451 | } |
| 452 | return ret; |
| 453 | } |
| 454 | |
| 455 | static int nicvf_set_rss_hash_opts(struct nicvf *nic, |
| 456 | struct ethtool_rxnfc *info) |
| 457 | { |
| 458 | struct nicvf_rss_info *rss = &nic->rss_info; |
| 459 | u64 rss_cfg = nicvf_reg_read(nic, NIC_VNIC_RSS_CFG); |
| 460 | |
| 461 | if (!rss->enable) |
| 462 | netdev_err(nic->netdev, |
| 463 | "RSS is disabled, hash cannot be set\n"); |
| 464 | |
| 465 | netdev_info(nic->netdev, "Set RSS flow type = %d, data = %lld\n", |
| 466 | info->flow_type, info->data); |
| 467 | |
| 468 | if (!(info->data & RXH_IP_SRC) || !(info->data & RXH_IP_DST)) |
| 469 | return -EINVAL; |
| 470 | |
| 471 | switch (info->flow_type) { |
| 472 | case TCP_V4_FLOW: |
| 473 | case TCP_V6_FLOW: |
| 474 | switch (info->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) { |
| 475 | case 0: |
| 476 | rss_cfg &= ~(1ULL << RSS_HASH_TCP); |
| 477 | break; |
| 478 | case (RXH_L4_B_0_1 | RXH_L4_B_2_3): |
| 479 | rss_cfg |= (1ULL << RSS_HASH_TCP); |
| 480 | break; |
| 481 | default: |
| 482 | return -EINVAL; |
| 483 | } |
| 484 | break; |
| 485 | case UDP_V4_FLOW: |
| 486 | case UDP_V6_FLOW: |
| 487 | switch (info->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) { |
| 488 | case 0: |
| 489 | rss_cfg &= ~(1ULL << RSS_HASH_UDP); |
| 490 | break; |
| 491 | case (RXH_L4_B_0_1 | RXH_L4_B_2_3): |
| 492 | rss_cfg |= (1ULL << RSS_HASH_UDP); |
| 493 | break; |
| 494 | default: |
| 495 | return -EINVAL; |
| 496 | } |
| 497 | break; |
| 498 | case SCTP_V4_FLOW: |
| 499 | case SCTP_V6_FLOW: |
| 500 | switch (info->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) { |
| 501 | case 0: |
| 502 | rss_cfg &= ~(1ULL << RSS_HASH_L4ETC); |
| 503 | break; |
| 504 | case (RXH_L4_B_0_1 | RXH_L4_B_2_3): |
| 505 | rss_cfg |= (1ULL << RSS_HASH_L4ETC); |
| 506 | break; |
| 507 | default: |
| 508 | return -EINVAL; |
| 509 | } |
| 510 | break; |
| 511 | case IPV4_FLOW: |
| 512 | case IPV6_FLOW: |
| 513 | rss_cfg = RSS_HASH_IP; |
| 514 | break; |
| 515 | default: |
| 516 | return -EINVAL; |
| 517 | } |
| 518 | |
| 519 | nicvf_reg_write(nic, NIC_VNIC_RSS_CFG, rss_cfg); |
| 520 | return 0; |
| 521 | } |
| 522 | |
| 523 | static int nicvf_set_rxnfc(struct net_device *dev, struct ethtool_rxnfc *info) |
| 524 | { |
| 525 | struct nicvf *nic = netdev_priv(dev); |
| 526 | |
| 527 | switch (info->cmd) { |
| 528 | case ETHTOOL_SRXFH: |
| 529 | return nicvf_set_rss_hash_opts(nic, info); |
| 530 | default: |
| 531 | break; |
| 532 | } |
| 533 | return -EOPNOTSUPP; |
| 534 | } |
| 535 | |
| 536 | static u32 nicvf_get_rxfh_key_size(struct net_device *netdev) |
| 537 | { |
| 538 | return RSS_HASH_KEY_SIZE * sizeof(u64); |
| 539 | } |
| 540 | |
| 541 | static u32 nicvf_get_rxfh_indir_size(struct net_device *dev) |
| 542 | { |
| 543 | struct nicvf *nic = netdev_priv(dev); |
| 544 | |
| 545 | return nic->rss_info.rss_size; |
| 546 | } |
| 547 | |
| 548 | static int nicvf_get_rxfh(struct net_device *dev, u32 *indir, u8 *hkey, |
| 549 | u8 *hfunc) |
| 550 | { |
| 551 | struct nicvf *nic = netdev_priv(dev); |
| 552 | struct nicvf_rss_info *rss = &nic->rss_info; |
| 553 | int idx; |
| 554 | |
| 555 | if (indir) { |
| 556 | for (idx = 0; idx < rss->rss_size; idx++) |
| 557 | indir[idx] = rss->ind_tbl[idx]; |
| 558 | } |
| 559 | |
| 560 | if (hkey) |
| 561 | memcpy(hkey, rss->key, RSS_HASH_KEY_SIZE * sizeof(u64)); |
| 562 | |
| 563 | if (hfunc) |
| 564 | *hfunc = ETH_RSS_HASH_TOP; |
| 565 | |
| 566 | return 0; |
| 567 | } |
| 568 | |
| 569 | static int nicvf_set_rxfh(struct net_device *dev, const u32 *indir, |
| 570 | const u8 *hkey, u8 hfunc) |
| 571 | { |
| 572 | struct nicvf *nic = netdev_priv(dev); |
| 573 | struct nicvf_rss_info *rss = &nic->rss_info; |
| 574 | int idx; |
| 575 | |
Aleksey Makarov | 8998784 | 2015-06-02 11:00:24 -0700 | [diff] [blame] | 576 | if (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP) |
Sunil Goutham | 4863dea | 2015-05-26 19:20:15 -0700 | [diff] [blame] | 577 | return -EOPNOTSUPP; |
| 578 | |
Sunil Goutham | 38bb5d4 | 2015-08-30 12:29:12 +0300 | [diff] [blame] | 579 | if (!rss->enable) { |
| 580 | netdev_err(nic->netdev, |
| 581 | "RSS is disabled, cannot change settings\n"); |
| 582 | return -EIO; |
| 583 | } |
| 584 | |
Sunil Goutham | 4863dea | 2015-05-26 19:20:15 -0700 | [diff] [blame] | 585 | if (indir) { |
| 586 | for (idx = 0; idx < rss->rss_size; idx++) |
| 587 | rss->ind_tbl[idx] = indir[idx]; |
| 588 | } |
| 589 | |
| 590 | if (hkey) { |
| 591 | memcpy(rss->key, hkey, RSS_HASH_KEY_SIZE * sizeof(u64)); |
| 592 | nicvf_set_rss_key(nic); |
| 593 | } |
| 594 | |
| 595 | nicvf_config_rss(nic); |
| 596 | return 0; |
| 597 | } |
| 598 | |
| 599 | /* Get no of queues device supports and current queue count */ |
| 600 | static void nicvf_get_channels(struct net_device *dev, |
| 601 | struct ethtool_channels *channel) |
| 602 | { |
| 603 | struct nicvf *nic = netdev_priv(dev); |
| 604 | |
| 605 | memset(channel, 0, sizeof(*channel)); |
| 606 | |
Sunil Goutham | 92dc876 | 2015-08-30 12:29:15 +0300 | [diff] [blame] | 607 | channel->max_rx = nic->max_queues; |
| 608 | channel->max_tx = nic->max_queues; |
Sunil Goutham | 4863dea | 2015-05-26 19:20:15 -0700 | [diff] [blame] | 609 | |
Sunil Goutham | 92dc876 | 2015-08-30 12:29:15 +0300 | [diff] [blame] | 610 | channel->rx_count = nic->rx_queues; |
| 611 | channel->tx_count = nic->tx_queues; |
Sunil Goutham | 4863dea | 2015-05-26 19:20:15 -0700 | [diff] [blame] | 612 | } |
| 613 | |
| 614 | /* Set no of Tx, Rx queues to be used */ |
| 615 | static int nicvf_set_channels(struct net_device *dev, |
| 616 | struct ethtool_channels *channel) |
| 617 | { |
| 618 | struct nicvf *nic = netdev_priv(dev); |
| 619 | int err = 0; |
Sunil Goutham | c62cd3c | 2015-07-29 16:49:39 +0300 | [diff] [blame] | 620 | bool if_up = netif_running(dev); |
Sunil Goutham | 92dc876 | 2015-08-30 12:29:15 +0300 | [diff] [blame] | 621 | int cqcount; |
Sunil Goutham | 4863dea | 2015-05-26 19:20:15 -0700 | [diff] [blame] | 622 | |
| 623 | if (!channel->rx_count || !channel->tx_count) |
| 624 | return -EINVAL; |
Sunil Goutham | 92dc876 | 2015-08-30 12:29:15 +0300 | [diff] [blame] | 625 | if (channel->rx_count > nic->max_queues) |
Sunil Goutham | 4863dea | 2015-05-26 19:20:15 -0700 | [diff] [blame] | 626 | return -EINVAL; |
Sunil Goutham | 92dc876 | 2015-08-30 12:29:15 +0300 | [diff] [blame] | 627 | if (channel->tx_count > nic->max_queues) |
Sunil Goutham | 4863dea | 2015-05-26 19:20:15 -0700 | [diff] [blame] | 628 | return -EINVAL; |
| 629 | |
Sunil Goutham | c62cd3c | 2015-07-29 16:49:39 +0300 | [diff] [blame] | 630 | if (if_up) |
| 631 | nicvf_stop(dev); |
| 632 | |
Sunil Goutham | 92dc876 | 2015-08-30 12:29:15 +0300 | [diff] [blame] | 633 | cqcount = max(channel->rx_count, channel->tx_count); |
| 634 | |
| 635 | if (cqcount > MAX_CMP_QUEUES_PER_QS) { |
| 636 | nic->sqs_count = roundup(cqcount, MAX_CMP_QUEUES_PER_QS); |
| 637 | nic->sqs_count = (nic->sqs_count / MAX_CMP_QUEUES_PER_QS) - 1; |
| 638 | } else { |
| 639 | nic->sqs_count = 0; |
| 640 | } |
| 641 | |
| 642 | nic->qs->rq_cnt = min_t(u32, channel->rx_count, MAX_RCV_QUEUES_PER_QS); |
| 643 | nic->qs->sq_cnt = min_t(u32, channel->tx_count, MAX_SND_QUEUES_PER_QS); |
Sunil Goutham | 4863dea | 2015-05-26 19:20:15 -0700 | [diff] [blame] | 644 | nic->qs->cq_cnt = max(nic->qs->rq_cnt, nic->qs->sq_cnt); |
| 645 | |
Sunil Goutham | 92dc876 | 2015-08-30 12:29:15 +0300 | [diff] [blame] | 646 | nic->rx_queues = channel->rx_count; |
| 647 | nic->tx_queues = channel->tx_count; |
| 648 | err = nicvf_set_real_num_queues(dev, nic->tx_queues, nic->rx_queues); |
Sunil Goutham | 4863dea | 2015-05-26 19:20:15 -0700 | [diff] [blame] | 649 | if (err) |
| 650 | return err; |
| 651 | |
Sunil Goutham | c62cd3c | 2015-07-29 16:49:39 +0300 | [diff] [blame] | 652 | if (if_up) |
| 653 | nicvf_open(dev); |
Sunil Goutham | 4863dea | 2015-05-26 19:20:15 -0700 | [diff] [blame] | 654 | |
Sunil Goutham | 4863dea | 2015-05-26 19:20:15 -0700 | [diff] [blame] | 655 | netdev_info(dev, "Setting num Tx rings to %d, Rx rings to %d success\n", |
Sunil Goutham | 92dc876 | 2015-08-30 12:29:15 +0300 | [diff] [blame] | 656 | nic->tx_queues, nic->rx_queues); |
Sunil Goutham | 4863dea | 2015-05-26 19:20:15 -0700 | [diff] [blame] | 657 | |
| 658 | return err; |
| 659 | } |
| 660 | |
| 661 | static const struct ethtool_ops nicvf_ethtool_ops = { |
| 662 | .get_settings = nicvf_get_settings, |
| 663 | .get_link = ethtool_op_get_link, |
| 664 | .get_drvinfo = nicvf_get_drvinfo, |
| 665 | .get_msglevel = nicvf_get_msglevel, |
| 666 | .set_msglevel = nicvf_set_msglevel, |
| 667 | .get_strings = nicvf_get_strings, |
| 668 | .get_sset_count = nicvf_get_sset_count, |
| 669 | .get_ethtool_stats = nicvf_get_ethtool_stats, |
| 670 | .get_regs_len = nicvf_get_regs_len, |
| 671 | .get_regs = nicvf_get_regs, |
| 672 | .get_coalesce = nicvf_get_coalesce, |
| 673 | .get_ringparam = nicvf_get_ringparam, |
| 674 | .get_rxnfc = nicvf_get_rxnfc, |
| 675 | .set_rxnfc = nicvf_set_rxnfc, |
| 676 | .get_rxfh_key_size = nicvf_get_rxfh_key_size, |
| 677 | .get_rxfh_indir_size = nicvf_get_rxfh_indir_size, |
| 678 | .get_rxfh = nicvf_get_rxfh, |
| 679 | .set_rxfh = nicvf_set_rxfh, |
| 680 | .get_channels = nicvf_get_channels, |
| 681 | .set_channels = nicvf_set_channels, |
| 682 | .get_ts_info = ethtool_op_get_ts_info, |
| 683 | }; |
| 684 | |
| 685 | void nicvf_set_ethtool_ops(struct net_device *netdev) |
| 686 | { |
| 687 | netdev->ethtool_ops = &nicvf_ethtool_ops; |
| 688 | } |