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4c352362 | 1 | /* |
2633beb9 | 2 | * Copyright (C) 2015-2017 Netronome Systems, Inc. |
4c352362 JK |
3 | * |
4 | * This software is dual licensed under the GNU General License Version 2, | |
5 | * June 1991 as shown in the file COPYING in the top-level directory of this | |
6 | * source tree or the BSD 2-Clause License provided below. You have the | |
7 | * option to license this software under the complete terms of either license. | |
8 | * | |
9 | * The BSD 2-Clause License: | |
10 | * | |
11 | * Redistribution and use in source and binary forms, with or | |
12 | * without modification, are permitted provided that the following | |
13 | * conditions are met: | |
14 | * | |
15 | * 1. Redistributions of source code must retain the above | |
16 | * copyright notice, this list of conditions and the following | |
17 | * disclaimer. | |
18 | * | |
19 | * 2. Redistributions in binary form must reproduce the above | |
20 | * copyright notice, this list of conditions and the following | |
21 | * disclaimer in the documentation and/or other materials | |
22 | * provided with the distribution. | |
23 | * | |
24 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, | |
25 | * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF | |
26 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND | |
27 | * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS | |
28 | * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN | |
29 | * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN | |
30 | * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | |
31 | * SOFTWARE. | |
32 | */ | |
33 | ||
34 | /* | |
35 | * nfp_net_ethtool.c | |
36 | * Netronome network device driver: ethtool support | |
37 | * Authors: Jakub Kicinski <jakub.kicinski@netronome.com> | |
38 | * Jason McMullan <jason.mcmullan@netronome.com> | |
39 | * Rolf Neugebauer <rolf.neugebauer@netronome.com> | |
40 | * Brad Petrus <brad.petrus@netronome.com> | |
41 | */ | |
42 | ||
9ff304bf | 43 | #include <linux/bitfield.h> |
4c352362 JK |
44 | #include <linux/kernel.h> |
45 | #include <linux/netdevice.h> | |
46 | #include <linux/etherdevice.h> | |
47 | #include <linux/interrupt.h> | |
48 | #include <linux/pci.h> | |
49 | #include <linux/ethtool.h> | |
50 | ||
bd5ca062 | 51 | #include "nfpcore/nfp.h" |
21d529d5 | 52 | #include "nfpcore/nfp_nsp_eth.h" |
4c352362 JK |
53 | #include "nfp_net_ctrl.h" |
54 | #include "nfp_net.h" | |
55 | ||
af623682 JK |
56 | enum nfp_dump_diag { |
57 | NFP_DUMP_NSP_DIAG = 0, | |
58 | }; | |
59 | ||
4c352362 JK |
60 | /* Support for stats. Returns netdev, driver, and device stats */ |
61 | enum { NETDEV_ET_STATS, NFP_NET_DRV_ET_STATS, NFP_NET_DEV_ET_STATS }; | |
62 | struct _nfp_net_et_stats { | |
63 | char name[ETH_GSTRING_LEN]; | |
64 | int type; | |
65 | int sz; | |
66 | int off; | |
67 | }; | |
68 | ||
69 | #define NN_ET_NETDEV_STAT(m) NETDEV_ET_STATS, \ | |
70 | FIELD_SIZEOF(struct net_device_stats, m), \ | |
71 | offsetof(struct net_device_stats, m) | |
72 | /* For stats in the control BAR (other than Q stats) */ | |
73 | #define NN_ET_DEV_STAT(m) NFP_NET_DEV_ET_STATS, \ | |
74 | sizeof(u64), \ | |
75 | (m) | |
76 | static const struct _nfp_net_et_stats nfp_net_et_stats[] = { | |
77 | /* netdev stats */ | |
78 | {"rx_packets", NN_ET_NETDEV_STAT(rx_packets)}, | |
79 | {"tx_packets", NN_ET_NETDEV_STAT(tx_packets)}, | |
80 | {"rx_bytes", NN_ET_NETDEV_STAT(rx_bytes)}, | |
81 | {"tx_bytes", NN_ET_NETDEV_STAT(tx_bytes)}, | |
82 | {"rx_errors", NN_ET_NETDEV_STAT(rx_errors)}, | |
83 | {"tx_errors", NN_ET_NETDEV_STAT(tx_errors)}, | |
84 | {"rx_dropped", NN_ET_NETDEV_STAT(rx_dropped)}, | |
85 | {"tx_dropped", NN_ET_NETDEV_STAT(tx_dropped)}, | |
86 | {"multicast", NN_ET_NETDEV_STAT(multicast)}, | |
87 | {"collisions", NN_ET_NETDEV_STAT(collisions)}, | |
88 | {"rx_over_errors", NN_ET_NETDEV_STAT(rx_over_errors)}, | |
89 | {"rx_crc_errors", NN_ET_NETDEV_STAT(rx_crc_errors)}, | |
90 | {"rx_frame_errors", NN_ET_NETDEV_STAT(rx_frame_errors)}, | |
91 | {"rx_fifo_errors", NN_ET_NETDEV_STAT(rx_fifo_errors)}, | |
92 | {"rx_missed_errors", NN_ET_NETDEV_STAT(rx_missed_errors)}, | |
93 | {"tx_aborted_errors", NN_ET_NETDEV_STAT(tx_aborted_errors)}, | |
94 | {"tx_carrier_errors", NN_ET_NETDEV_STAT(tx_carrier_errors)}, | |
95 | {"tx_fifo_errors", NN_ET_NETDEV_STAT(tx_fifo_errors)}, | |
96 | /* Stats from the device */ | |
97 | {"dev_rx_discards", NN_ET_DEV_STAT(NFP_NET_CFG_STATS_RX_DISCARDS)}, | |
98 | {"dev_rx_errors", NN_ET_DEV_STAT(NFP_NET_CFG_STATS_RX_ERRORS)}, | |
99 | {"dev_rx_bytes", NN_ET_DEV_STAT(NFP_NET_CFG_STATS_RX_OCTETS)}, | |
100 | {"dev_rx_uc_bytes", NN_ET_DEV_STAT(NFP_NET_CFG_STATS_RX_UC_OCTETS)}, | |
101 | {"dev_rx_mc_bytes", NN_ET_DEV_STAT(NFP_NET_CFG_STATS_RX_MC_OCTETS)}, | |
102 | {"dev_rx_bc_bytes", NN_ET_DEV_STAT(NFP_NET_CFG_STATS_RX_BC_OCTETS)}, | |
103 | {"dev_rx_pkts", NN_ET_DEV_STAT(NFP_NET_CFG_STATS_RX_FRAMES)}, | |
104 | {"dev_rx_mc_pkts", NN_ET_DEV_STAT(NFP_NET_CFG_STATS_RX_MC_FRAMES)}, | |
105 | {"dev_rx_bc_pkts", NN_ET_DEV_STAT(NFP_NET_CFG_STATS_RX_BC_FRAMES)}, | |
106 | ||
107 | {"dev_tx_discards", NN_ET_DEV_STAT(NFP_NET_CFG_STATS_TX_DISCARDS)}, | |
108 | {"dev_tx_errors", NN_ET_DEV_STAT(NFP_NET_CFG_STATS_TX_ERRORS)}, | |
109 | {"dev_tx_bytes", NN_ET_DEV_STAT(NFP_NET_CFG_STATS_TX_OCTETS)}, | |
110 | {"dev_tx_uc_bytes", NN_ET_DEV_STAT(NFP_NET_CFG_STATS_TX_UC_OCTETS)}, | |
111 | {"dev_tx_mc_bytes", NN_ET_DEV_STAT(NFP_NET_CFG_STATS_TX_MC_OCTETS)}, | |
112 | {"dev_tx_bc_bytes", NN_ET_DEV_STAT(NFP_NET_CFG_STATS_TX_BC_OCTETS)}, | |
113 | {"dev_tx_pkts", NN_ET_DEV_STAT(NFP_NET_CFG_STATS_TX_FRAMES)}, | |
114 | {"dev_tx_mc_pkts", NN_ET_DEV_STAT(NFP_NET_CFG_STATS_TX_MC_FRAMES)}, | |
115 | {"dev_tx_bc_pkts", NN_ET_DEV_STAT(NFP_NET_CFG_STATS_TX_BC_FRAMES)}, | |
66860beb JK |
116 | |
117 | {"bpf_pass_pkts", NN_ET_DEV_STAT(NFP_NET_CFG_STATS_APP0_FRAMES)}, | |
118 | {"bpf_pass_bytes", NN_ET_DEV_STAT(NFP_NET_CFG_STATS_APP0_BYTES)}, | |
119 | /* see comments in outro functions in nfp_bpf_jit.c to find out | |
120 | * how different BPF modes use app-specific counters | |
121 | */ | |
122 | {"bpf_app1_pkts", NN_ET_DEV_STAT(NFP_NET_CFG_STATS_APP1_FRAMES)}, | |
123 | {"bpf_app1_bytes", NN_ET_DEV_STAT(NFP_NET_CFG_STATS_APP1_BYTES)}, | |
124 | {"bpf_app2_pkts", NN_ET_DEV_STAT(NFP_NET_CFG_STATS_APP2_FRAMES)}, | |
125 | {"bpf_app2_bytes", NN_ET_DEV_STAT(NFP_NET_CFG_STATS_APP2_BYTES)}, | |
126 | {"bpf_app3_pkts", NN_ET_DEV_STAT(NFP_NET_CFG_STATS_APP3_FRAMES)}, | |
127 | {"bpf_app3_bytes", NN_ET_DEV_STAT(NFP_NET_CFG_STATS_APP3_BYTES)}, | |
4c352362 JK |
128 | }; |
129 | ||
130 | #define NN_ET_GLOBAL_STATS_LEN ARRAY_SIZE(nfp_net_et_stats) | |
79c12a75 | 131 | #define NN_ET_RVEC_STATS_LEN (nn->dp.num_r_vecs * 3) |
4c352362 | 132 | #define NN_ET_RVEC_GATHER_STATS 7 |
79c12a75 | 133 | #define NN_ET_QUEUE_STATS_LEN ((nn->dp.num_tx_rings + nn->dp.num_rx_rings) * 2) |
4c352362 JK |
134 | #define NN_ET_STATS_LEN (NN_ET_GLOBAL_STATS_LEN + NN_ET_RVEC_GATHER_STATS + \ |
135 | NN_ET_RVEC_STATS_LEN + NN_ET_QUEUE_STATS_LEN) | |
136 | ||
bd5ca062 JK |
137 | static void nfp_net_get_nspinfo(struct nfp_net *nn, char *version) |
138 | { | |
139 | struct nfp_nsp *nsp; | |
140 | ||
141 | if (!nn->cpp) | |
142 | return; | |
143 | ||
144 | nsp = nfp_nsp_open(nn->cpp); | |
145 | if (IS_ERR(nsp)) | |
146 | return; | |
147 | ||
148 | snprintf(version, ETHTOOL_FWVERS_LEN, "sp:%hu.%hu", | |
149 | nfp_nsp_get_abi_ver_major(nsp), | |
150 | nfp_nsp_get_abi_ver_minor(nsp)); | |
151 | ||
152 | nfp_nsp_close(nsp); | |
153 | } | |
154 | ||
4c352362 JK |
155 | static void nfp_net_get_drvinfo(struct net_device *netdev, |
156 | struct ethtool_drvinfo *drvinfo) | |
157 | { | |
bd5ca062 | 158 | char nsp_version[ETHTOOL_FWVERS_LEN] = {}; |
4c352362 JK |
159 | struct nfp_net *nn = netdev_priv(netdev); |
160 | ||
2633beb9 JK |
161 | strlcpy(drvinfo->driver, nn->pdev->driver->name, |
162 | sizeof(drvinfo->driver)); | |
163 | strlcpy(drvinfo->version, nfp_driver_version, sizeof(drvinfo->version)); | |
4c352362 | 164 | |
bd5ca062 | 165 | nfp_net_get_nspinfo(nn, nsp_version); |
4c352362 | 166 | snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version), |
bd5ca062 | 167 | "%d.%d.%d.%d %s", |
4c352362 | 168 | nn->fw_ver.resv, nn->fw_ver.class, |
bd5ca062 | 169 | nn->fw_ver.major, nn->fw_ver.minor, nsp_version); |
4c352362 JK |
170 | strlcpy(drvinfo->bus_info, pci_name(nn->pdev), |
171 | sizeof(drvinfo->bus_info)); | |
172 | ||
173 | drvinfo->n_stats = NN_ET_STATS_LEN; | |
174 | drvinfo->regdump_len = NFP_NET_CFG_BAR_SZ; | |
175 | } | |
176 | ||
265aeb51 JK |
177 | /** |
178 | * nfp_net_get_link_ksettings - Get Link Speed settings | |
179 | * @netdev: network interface device structure | |
180 | * @cmd: ethtool command | |
181 | * | |
182 | * Reports speed settings based on info in the BAR provided by the fw. | |
183 | */ | |
184 | static int | |
185 | nfp_net_get_link_ksettings(struct net_device *netdev, | |
186 | struct ethtool_link_ksettings *cmd) | |
187 | { | |
188 | static const u32 ls_to_ethtool[] = { | |
189 | [NFP_NET_CFG_STS_LINK_RATE_UNSUPPORTED] = 0, | |
190 | [NFP_NET_CFG_STS_LINK_RATE_UNKNOWN] = SPEED_UNKNOWN, | |
191 | [NFP_NET_CFG_STS_LINK_RATE_1G] = SPEED_1000, | |
192 | [NFP_NET_CFG_STS_LINK_RATE_10G] = SPEED_10000, | |
193 | [NFP_NET_CFG_STS_LINK_RATE_25G] = SPEED_25000, | |
194 | [NFP_NET_CFG_STS_LINK_RATE_40G] = SPEED_40000, | |
195 | [NFP_NET_CFG_STS_LINK_RATE_50G] = SPEED_50000, | |
196 | [NFP_NET_CFG_STS_LINK_RATE_100G] = SPEED_100000, | |
197 | }; | |
198 | struct nfp_net *nn = netdev_priv(netdev); | |
199 | u32 sts, ls; | |
200 | ||
201 | ethtool_link_ksettings_add_link_mode(cmd, supported, FIBRE); | |
202 | cmd->base.port = PORT_OTHER; | |
203 | cmd->base.speed = SPEED_UNKNOWN; | |
204 | cmd->base.duplex = DUPLEX_UNKNOWN; | |
205 | ||
42b1e6aa JK |
206 | if (nn->eth_port) |
207 | cmd->base.autoneg = nn->eth_port->aneg != NFP_ANEG_DISABLED ? | |
208 | AUTONEG_ENABLE : AUTONEG_DISABLE; | |
209 | ||
265aeb51 JK |
210 | if (!netif_carrier_ok(netdev)) |
211 | return 0; | |
212 | ||
21d529d5 JK |
213 | /* Use link speed from ETH table if available, otherwise try the BAR */ |
214 | if (nn->eth_port && nfp_net_link_changed_read_clear(nn)) | |
215 | nfp_net_refresh_port_config(nn); | |
216 | /* Separate if - on FW error the port could've disappeared from table */ | |
217 | if (nn->eth_port) { | |
9f9e0da5 | 218 | cmd->base.port = nn->eth_port->port_type; |
21d529d5 JK |
219 | cmd->base.speed = nn->eth_port->speed; |
220 | cmd->base.duplex = DUPLEX_FULL; | |
221 | return 0; | |
222 | } | |
223 | ||
265aeb51 JK |
224 | sts = nn_readl(nn, NFP_NET_CFG_STS); |
225 | ||
226 | ls = FIELD_GET(NFP_NET_CFG_STS_LINK_RATE, sts); | |
227 | if (ls == NFP_NET_CFG_STS_LINK_RATE_UNSUPPORTED) | |
228 | return -EOPNOTSUPP; | |
229 | ||
230 | if (ls == NFP_NET_CFG_STS_LINK_RATE_UNKNOWN || | |
231 | ls >= ARRAY_SIZE(ls_to_ethtool)) | |
232 | return 0; | |
233 | ||
234 | cmd->base.speed = ls_to_ethtool[sts]; | |
235 | cmd->base.duplex = DUPLEX_FULL; | |
236 | ||
237 | return 0; | |
238 | } | |
239 | ||
4c352362 JK |
240 | static void nfp_net_get_ringparam(struct net_device *netdev, |
241 | struct ethtool_ringparam *ring) | |
242 | { | |
243 | struct nfp_net *nn = netdev_priv(netdev); | |
244 | ||
245 | ring->rx_max_pending = NFP_NET_MAX_RX_DESCS; | |
246 | ring->tx_max_pending = NFP_NET_MAX_TX_DESCS; | |
79c12a75 JK |
247 | ring->rx_pending = nn->dp.rxd_cnt; |
248 | ring->tx_pending = nn->dp.txd_cnt; | |
4c352362 JK |
249 | } |
250 | ||
68453c7a JK |
251 | static int nfp_net_set_ring_size(struct nfp_net *nn, u32 rxd_cnt, u32 txd_cnt) |
252 | { | |
783496b0 | 253 | struct nfp_net_dp *dp; |
68453c7a | 254 | |
783496b0 JK |
255 | dp = nfp_net_clone_dp(nn); |
256 | if (!dp) | |
257 | return -ENOMEM; | |
258 | ||
892a7f70 JK |
259 | dp->rxd_cnt = rxd_cnt; |
260 | dp->txd_cnt = txd_cnt; | |
261 | ||
262 | return nfp_net_ring_reconfig(nn, dp); | |
68453c7a JK |
263 | } |
264 | ||
4c352362 JK |
265 | static int nfp_net_set_ringparam(struct net_device *netdev, |
266 | struct ethtool_ringparam *ring) | |
267 | { | |
268 | struct nfp_net *nn = netdev_priv(netdev); | |
269 | u32 rxd_cnt, txd_cnt; | |
270 | ||
4c352362 JK |
271 | /* We don't have separate queues/rings for small/large frames. */ |
272 | if (ring->rx_mini_pending || ring->rx_jumbo_pending) | |
273 | return -EINVAL; | |
274 | ||
275 | /* Round up to supported values */ | |
276 | rxd_cnt = roundup_pow_of_two(ring->rx_pending); | |
4c352362 | 277 | txd_cnt = roundup_pow_of_two(ring->tx_pending); |
4c352362 | 278 | |
cc7c0333 JK |
279 | if (rxd_cnt < NFP_NET_MIN_RX_DESCS || rxd_cnt > NFP_NET_MAX_RX_DESCS || |
280 | txd_cnt < NFP_NET_MIN_TX_DESCS || txd_cnt > NFP_NET_MAX_TX_DESCS) | |
281 | return -EINVAL; | |
282 | ||
79c12a75 | 283 | if (nn->dp.rxd_cnt == rxd_cnt && nn->dp.txd_cnt == txd_cnt) |
cc7c0333 | 284 | return 0; |
4c352362 | 285 | |
cc7c0333 | 286 | nn_dbg(nn, "Change ring size: RxQ %u->%u, TxQ %u->%u\n", |
79c12a75 | 287 | nn->dp.rxd_cnt, rxd_cnt, nn->dp.txd_cnt, txd_cnt); |
4c352362 | 288 | |
cc7c0333 | 289 | return nfp_net_set_ring_size(nn, rxd_cnt, txd_cnt); |
4c352362 JK |
290 | } |
291 | ||
292 | static void nfp_net_get_strings(struct net_device *netdev, | |
293 | u32 stringset, u8 *data) | |
294 | { | |
295 | struct nfp_net *nn = netdev_priv(netdev); | |
296 | u8 *p = data; | |
297 | int i; | |
298 | ||
299 | switch (stringset) { | |
300 | case ETH_SS_STATS: | |
301 | for (i = 0; i < NN_ET_GLOBAL_STATS_LEN; i++) { | |
302 | memcpy(p, nfp_net_et_stats[i].name, ETH_GSTRING_LEN); | |
303 | p += ETH_GSTRING_LEN; | |
304 | } | |
79c12a75 | 305 | for (i = 0; i < nn->dp.num_r_vecs; i++) { |
4c352362 JK |
306 | sprintf(p, "rvec_%u_rx_pkts", i); |
307 | p += ETH_GSTRING_LEN; | |
308 | sprintf(p, "rvec_%u_tx_pkts", i); | |
309 | p += ETH_GSTRING_LEN; | |
310 | sprintf(p, "rvec_%u_tx_busy", i); | |
311 | p += ETH_GSTRING_LEN; | |
312 | } | |
313 | strncpy(p, "hw_rx_csum_ok", ETH_GSTRING_LEN); | |
314 | p += ETH_GSTRING_LEN; | |
315 | strncpy(p, "hw_rx_csum_inner_ok", ETH_GSTRING_LEN); | |
316 | p += ETH_GSTRING_LEN; | |
317 | strncpy(p, "hw_rx_csum_err", ETH_GSTRING_LEN); | |
318 | p += ETH_GSTRING_LEN; | |
319 | strncpy(p, "hw_tx_csum", ETH_GSTRING_LEN); | |
320 | p += ETH_GSTRING_LEN; | |
321 | strncpy(p, "hw_tx_inner_csum", ETH_GSTRING_LEN); | |
322 | p += ETH_GSTRING_LEN; | |
323 | strncpy(p, "tx_gather", ETH_GSTRING_LEN); | |
324 | p += ETH_GSTRING_LEN; | |
325 | strncpy(p, "tx_lso", ETH_GSTRING_LEN); | |
326 | p += ETH_GSTRING_LEN; | |
79c12a75 | 327 | for (i = 0; i < nn->dp.num_tx_rings; i++) { |
4c352362 JK |
328 | sprintf(p, "txq_%u_pkts", i); |
329 | p += ETH_GSTRING_LEN; | |
330 | sprintf(p, "txq_%u_bytes", i); | |
331 | p += ETH_GSTRING_LEN; | |
332 | } | |
79c12a75 | 333 | for (i = 0; i < nn->dp.num_rx_rings; i++) { |
4c352362 JK |
334 | sprintf(p, "rxq_%u_pkts", i); |
335 | p += ETH_GSTRING_LEN; | |
336 | sprintf(p, "rxq_%u_bytes", i); | |
337 | p += ETH_GSTRING_LEN; | |
338 | } | |
339 | break; | |
340 | } | |
341 | } | |
342 | ||
343 | static void nfp_net_get_stats(struct net_device *netdev, | |
344 | struct ethtool_stats *stats, u64 *data) | |
345 | { | |
346 | u64 gathered_stats[NN_ET_RVEC_GATHER_STATS] = {}; | |
347 | struct nfp_net *nn = netdev_priv(netdev); | |
348 | struct rtnl_link_stats64 *netdev_stats; | |
349 | struct rtnl_link_stats64 temp = {}; | |
350 | u64 tmp[NN_ET_RVEC_GATHER_STATS]; | |
351 | u8 __iomem *io_p; | |
352 | int i, j, k; | |
353 | u8 *p; | |
354 | ||
355 | netdev_stats = dev_get_stats(netdev, &temp); | |
356 | ||
357 | for (i = 0; i < NN_ET_GLOBAL_STATS_LEN; i++) { | |
358 | switch (nfp_net_et_stats[i].type) { | |
359 | case NETDEV_ET_STATS: | |
360 | p = (char *)netdev_stats + nfp_net_et_stats[i].off; | |
361 | data[i] = nfp_net_et_stats[i].sz == sizeof(u64) ? | |
362 | *(u64 *)p : *(u32 *)p; | |
363 | break; | |
364 | ||
365 | case NFP_NET_DEV_ET_STATS: | |
d2b84397 | 366 | io_p = nn->dp.ctrl_bar + nfp_net_et_stats[i].off; |
4c352362 JK |
367 | data[i] = readq(io_p); |
368 | break; | |
369 | } | |
370 | } | |
79c12a75 | 371 | for (j = 0; j < nn->dp.num_r_vecs; j++) { |
4c352362 JK |
372 | unsigned int start; |
373 | ||
374 | do { | |
375 | start = u64_stats_fetch_begin(&nn->r_vecs[j].rx_sync); | |
376 | data[i++] = nn->r_vecs[j].rx_pkts; | |
377 | tmp[0] = nn->r_vecs[j].hw_csum_rx_ok; | |
378 | tmp[1] = nn->r_vecs[j].hw_csum_rx_inner_ok; | |
379 | tmp[2] = nn->r_vecs[j].hw_csum_rx_error; | |
380 | } while (u64_stats_fetch_retry(&nn->r_vecs[j].rx_sync, start)); | |
381 | ||
382 | do { | |
383 | start = u64_stats_fetch_begin(&nn->r_vecs[j].tx_sync); | |
384 | data[i++] = nn->r_vecs[j].tx_pkts; | |
385 | data[i++] = nn->r_vecs[j].tx_busy; | |
386 | tmp[3] = nn->r_vecs[j].hw_csum_tx; | |
387 | tmp[4] = nn->r_vecs[j].hw_csum_tx_inner; | |
388 | tmp[5] = nn->r_vecs[j].tx_gather; | |
389 | tmp[6] = nn->r_vecs[j].tx_lso; | |
390 | } while (u64_stats_fetch_retry(&nn->r_vecs[j].tx_sync, start)); | |
391 | ||
392 | for (k = 0; k < NN_ET_RVEC_GATHER_STATS; k++) | |
393 | gathered_stats[k] += tmp[k]; | |
394 | } | |
395 | for (j = 0; j < NN_ET_RVEC_GATHER_STATS; j++) | |
396 | data[i++] = gathered_stats[j]; | |
79c12a75 | 397 | for (j = 0; j < nn->dp.num_tx_rings; j++) { |
d2b84397 | 398 | io_p = nn->dp.ctrl_bar + NFP_NET_CFG_TXR_STATS(j); |
4c352362 | 399 | data[i++] = readq(io_p); |
d2b84397 | 400 | io_p = nn->dp.ctrl_bar + NFP_NET_CFG_TXR_STATS(j) + 8; |
4c352362 JK |
401 | data[i++] = readq(io_p); |
402 | } | |
79c12a75 | 403 | for (j = 0; j < nn->dp.num_rx_rings; j++) { |
d2b84397 | 404 | io_p = nn->dp.ctrl_bar + NFP_NET_CFG_RXR_STATS(j); |
4c352362 | 405 | data[i++] = readq(io_p); |
d2b84397 | 406 | io_p = nn->dp.ctrl_bar + NFP_NET_CFG_RXR_STATS(j) + 8; |
4c352362 JK |
407 | data[i++] = readq(io_p); |
408 | } | |
409 | } | |
410 | ||
411 | static int nfp_net_get_sset_count(struct net_device *netdev, int sset) | |
412 | { | |
413 | struct nfp_net *nn = netdev_priv(netdev); | |
414 | ||
415 | switch (sset) { | |
416 | case ETH_SS_STATS: | |
417 | return NN_ET_STATS_LEN; | |
418 | default: | |
419 | return -EOPNOTSUPP; | |
420 | } | |
421 | } | |
422 | ||
423 | /* RX network flow classification (RSS, filters, etc) | |
424 | */ | |
425 | static u32 ethtool_flow_to_nfp_flag(u32 flow_type) | |
426 | { | |
427 | static const u32 xlate_ethtool_to_nfp[IPV6_FLOW + 1] = { | |
428 | [TCP_V4_FLOW] = NFP_NET_CFG_RSS_IPV4_TCP, | |
429 | [TCP_V6_FLOW] = NFP_NET_CFG_RSS_IPV6_TCP, | |
430 | [UDP_V4_FLOW] = NFP_NET_CFG_RSS_IPV4_UDP, | |
431 | [UDP_V6_FLOW] = NFP_NET_CFG_RSS_IPV6_UDP, | |
432 | [IPV4_FLOW] = NFP_NET_CFG_RSS_IPV4, | |
433 | [IPV6_FLOW] = NFP_NET_CFG_RSS_IPV6, | |
434 | }; | |
435 | ||
436 | if (flow_type >= ARRAY_SIZE(xlate_ethtool_to_nfp)) | |
437 | return 0; | |
438 | ||
439 | return xlate_ethtool_to_nfp[flow_type]; | |
440 | } | |
441 | ||
442 | static int nfp_net_get_rss_hash_opts(struct nfp_net *nn, | |
443 | struct ethtool_rxnfc *cmd) | |
444 | { | |
445 | u32 nfp_rss_flag; | |
446 | ||
447 | cmd->data = 0; | |
448 | ||
449 | if (!(nn->cap & NFP_NET_CFG_CTRL_RSS)) | |
450 | return -EOPNOTSUPP; | |
451 | ||
452 | nfp_rss_flag = ethtool_flow_to_nfp_flag(cmd->flow_type); | |
453 | if (!nfp_rss_flag) | |
454 | return -EINVAL; | |
455 | ||
456 | cmd->data |= RXH_IP_SRC | RXH_IP_DST; | |
457 | if (nn->rss_cfg & nfp_rss_flag) | |
458 | cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3; | |
459 | ||
460 | return 0; | |
461 | } | |
462 | ||
463 | static int nfp_net_get_rxnfc(struct net_device *netdev, | |
464 | struct ethtool_rxnfc *cmd, u32 *rule_locs) | |
465 | { | |
466 | struct nfp_net *nn = netdev_priv(netdev); | |
467 | ||
468 | switch (cmd->cmd) { | |
469 | case ETHTOOL_GRXRINGS: | |
79c12a75 | 470 | cmd->data = nn->dp.num_rx_rings; |
4c352362 JK |
471 | return 0; |
472 | case ETHTOOL_GRXFH: | |
473 | return nfp_net_get_rss_hash_opts(nn, cmd); | |
474 | default: | |
475 | return -EOPNOTSUPP; | |
476 | } | |
477 | } | |
478 | ||
479 | static int nfp_net_set_rss_hash_opt(struct nfp_net *nn, | |
480 | struct ethtool_rxnfc *nfc) | |
481 | { | |
482 | u32 new_rss_cfg = nn->rss_cfg; | |
483 | u32 nfp_rss_flag; | |
484 | int err; | |
485 | ||
486 | if (!(nn->cap & NFP_NET_CFG_CTRL_RSS)) | |
487 | return -EOPNOTSUPP; | |
488 | ||
489 | /* RSS only supports IP SA/DA and L4 src/dst ports */ | |
490 | if (nfc->data & ~(RXH_IP_SRC | RXH_IP_DST | | |
491 | RXH_L4_B_0_1 | RXH_L4_B_2_3)) | |
492 | return -EINVAL; | |
493 | ||
494 | /* We need at least the IP SA/DA fields for hashing */ | |
495 | if (!(nfc->data & RXH_IP_SRC) || | |
496 | !(nfc->data & RXH_IP_DST)) | |
497 | return -EINVAL; | |
498 | ||
499 | nfp_rss_flag = ethtool_flow_to_nfp_flag(nfc->flow_type); | |
500 | if (!nfp_rss_flag) | |
501 | return -EINVAL; | |
502 | ||
503 | switch (nfc->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) { | |
504 | case 0: | |
505 | new_rss_cfg &= ~nfp_rss_flag; | |
506 | break; | |
507 | case (RXH_L4_B_0_1 | RXH_L4_B_2_3): | |
508 | new_rss_cfg |= nfp_rss_flag; | |
509 | break; | |
510 | default: | |
511 | return -EINVAL; | |
512 | } | |
513 | ||
9ff304bf | 514 | new_rss_cfg |= FIELD_PREP(NFP_NET_CFG_RSS_HFUNC, nn->rss_hfunc); |
4c352362 JK |
515 | new_rss_cfg |= NFP_NET_CFG_RSS_MASK; |
516 | ||
517 | if (new_rss_cfg == nn->rss_cfg) | |
518 | return 0; | |
519 | ||
d2b84397 | 520 | writel(new_rss_cfg, nn->dp.ctrl_bar + NFP_NET_CFG_RSS_CTRL); |
4c352362 JK |
521 | err = nfp_net_reconfig(nn, NFP_NET_CFG_UPDATE_RSS); |
522 | if (err) | |
523 | return err; | |
524 | ||
525 | nn->rss_cfg = new_rss_cfg; | |
526 | ||
527 | nn_dbg(nn, "Changed RSS config to 0x%x\n", nn->rss_cfg); | |
528 | return 0; | |
529 | } | |
530 | ||
531 | static int nfp_net_set_rxnfc(struct net_device *netdev, | |
532 | struct ethtool_rxnfc *cmd) | |
533 | { | |
534 | struct nfp_net *nn = netdev_priv(netdev); | |
535 | ||
536 | switch (cmd->cmd) { | |
537 | case ETHTOOL_SRXFH: | |
538 | return nfp_net_set_rss_hash_opt(nn, cmd); | |
539 | default: | |
540 | return -EOPNOTSUPP; | |
541 | } | |
542 | } | |
543 | ||
544 | static u32 nfp_net_get_rxfh_indir_size(struct net_device *netdev) | |
545 | { | |
546 | struct nfp_net *nn = netdev_priv(netdev); | |
547 | ||
548 | if (!(nn->cap & NFP_NET_CFG_CTRL_RSS)) | |
549 | return 0; | |
550 | ||
551 | return ARRAY_SIZE(nn->rss_itbl); | |
552 | } | |
553 | ||
554 | static u32 nfp_net_get_rxfh_key_size(struct net_device *netdev) | |
555 | { | |
9ff304bf JK |
556 | struct nfp_net *nn = netdev_priv(netdev); |
557 | ||
558 | if (!(nn->cap & NFP_NET_CFG_CTRL_RSS)) | |
559 | return -EOPNOTSUPP; | |
560 | ||
561 | return nfp_net_rss_key_sz(nn); | |
4c352362 JK |
562 | } |
563 | ||
564 | static int nfp_net_get_rxfh(struct net_device *netdev, u32 *indir, u8 *key, | |
565 | u8 *hfunc) | |
566 | { | |
567 | struct nfp_net *nn = netdev_priv(netdev); | |
568 | int i; | |
569 | ||
570 | if (!(nn->cap & NFP_NET_CFG_CTRL_RSS)) | |
571 | return -EOPNOTSUPP; | |
572 | ||
573 | if (indir) | |
574 | for (i = 0; i < ARRAY_SIZE(nn->rss_itbl); i++) | |
575 | indir[i] = nn->rss_itbl[i]; | |
576 | if (key) | |
9ff304bf JK |
577 | memcpy(key, nn->rss_key, nfp_net_rss_key_sz(nn)); |
578 | if (hfunc) { | |
579 | *hfunc = nn->rss_hfunc; | |
580 | if (*hfunc >= 1 << ETH_RSS_HASH_FUNCS_COUNT) | |
581 | *hfunc = ETH_RSS_HASH_UNKNOWN; | |
582 | } | |
4c352362 JK |
583 | |
584 | return 0; | |
585 | } | |
586 | ||
587 | static int nfp_net_set_rxfh(struct net_device *netdev, | |
588 | const u32 *indir, const u8 *key, | |
589 | const u8 hfunc) | |
590 | { | |
591 | struct nfp_net *nn = netdev_priv(netdev); | |
592 | int i; | |
593 | ||
594 | if (!(nn->cap & NFP_NET_CFG_CTRL_RSS) || | |
9ff304bf | 595 | !(hfunc == ETH_RSS_HASH_NO_CHANGE || hfunc == nn->rss_hfunc)) |
4c352362 JK |
596 | return -EOPNOTSUPP; |
597 | ||
598 | if (!key && !indir) | |
599 | return 0; | |
600 | ||
601 | if (key) { | |
9ff304bf | 602 | memcpy(nn->rss_key, key, nfp_net_rss_key_sz(nn)); |
4c352362 JK |
603 | nfp_net_rss_write_key(nn); |
604 | } | |
605 | if (indir) { | |
606 | for (i = 0; i < ARRAY_SIZE(nn->rss_itbl); i++) | |
607 | nn->rss_itbl[i] = indir[i]; | |
608 | ||
609 | nfp_net_rss_write_itbl(nn); | |
610 | } | |
611 | ||
612 | return nfp_net_reconfig(nn, NFP_NET_CFG_UPDATE_RSS); | |
613 | } | |
614 | ||
615 | /* Dump BAR registers | |
616 | */ | |
617 | static int nfp_net_get_regs_len(struct net_device *netdev) | |
618 | { | |
619 | return NFP_NET_CFG_BAR_SZ; | |
620 | } | |
621 | ||
622 | static void nfp_net_get_regs(struct net_device *netdev, | |
623 | struct ethtool_regs *regs, void *p) | |
624 | { | |
625 | struct nfp_net *nn = netdev_priv(netdev); | |
626 | u32 *regs_buf = p; | |
627 | int i; | |
628 | ||
629 | regs->version = nn_readl(nn, NFP_NET_CFG_VERSION); | |
630 | ||
631 | for (i = 0; i < NFP_NET_CFG_BAR_SZ / sizeof(u32); i++) | |
d2b84397 | 632 | regs_buf[i] = readl(nn->dp.ctrl_bar + (i * sizeof(u32))); |
4c352362 JK |
633 | } |
634 | ||
635 | static int nfp_net_get_coalesce(struct net_device *netdev, | |
636 | struct ethtool_coalesce *ec) | |
637 | { | |
638 | struct nfp_net *nn = netdev_priv(netdev); | |
639 | ||
640 | if (!(nn->cap & NFP_NET_CFG_CTRL_IRQMOD)) | |
641 | return -EINVAL; | |
642 | ||
643 | ec->rx_coalesce_usecs = nn->rx_coalesce_usecs; | |
644 | ec->rx_max_coalesced_frames = nn->rx_coalesce_max_frames; | |
645 | ec->tx_coalesce_usecs = nn->tx_coalesce_usecs; | |
646 | ec->tx_max_coalesced_frames = nn->tx_coalesce_max_frames; | |
647 | ||
648 | return 0; | |
649 | } | |
650 | ||
af623682 JK |
651 | /* Other debug dumps |
652 | */ | |
653 | static int | |
654 | nfp_dump_nsp_diag(struct nfp_net *nn, struct ethtool_dump *dump, void *buffer) | |
655 | { | |
656 | struct nfp_resource *res; | |
657 | int ret; | |
658 | ||
659 | if (!nn->cpp) | |
660 | return -EOPNOTSUPP; | |
661 | ||
662 | dump->version = 1; | |
663 | dump->flag = NFP_DUMP_NSP_DIAG; | |
664 | ||
665 | res = nfp_resource_acquire(nn->cpp, NFP_RESOURCE_NSP_DIAG); | |
666 | if (IS_ERR(res)) | |
667 | return PTR_ERR(res); | |
668 | ||
669 | if (buffer) { | |
670 | if (dump->len != nfp_resource_size(res)) { | |
671 | ret = -EINVAL; | |
672 | goto exit_release; | |
673 | } | |
674 | ||
675 | ret = nfp_cpp_read(nn->cpp, nfp_resource_cpp_id(res), | |
676 | nfp_resource_address(res), | |
677 | buffer, dump->len); | |
678 | if (ret != dump->len) | |
679 | ret = ret < 0 ? ret : -EIO; | |
680 | else | |
681 | ret = 0; | |
682 | } else { | |
683 | dump->len = nfp_resource_size(res); | |
684 | ret = 0; | |
685 | } | |
686 | exit_release: | |
687 | nfp_resource_release(res); | |
688 | ||
689 | return ret; | |
690 | } | |
691 | ||
692 | static int nfp_net_set_dump(struct net_device *netdev, struct ethtool_dump *val) | |
693 | { | |
694 | struct nfp_net *nn = netdev_priv(netdev); | |
695 | ||
696 | if (!nn->cpp) | |
697 | return -EOPNOTSUPP; | |
698 | ||
699 | if (val->flag != NFP_DUMP_NSP_DIAG) | |
700 | return -EINVAL; | |
701 | ||
702 | nn->ethtool_dump_flag = val->flag; | |
703 | ||
704 | return 0; | |
705 | } | |
706 | ||
707 | static int | |
708 | nfp_net_get_dump_flag(struct net_device *netdev, struct ethtool_dump *dump) | |
709 | { | |
710 | return nfp_dump_nsp_diag(netdev_priv(netdev), dump, NULL); | |
711 | } | |
712 | ||
713 | static int | |
714 | nfp_net_get_dump_data(struct net_device *netdev, struct ethtool_dump *dump, | |
715 | void *buffer) | |
716 | { | |
717 | return nfp_dump_nsp_diag(netdev_priv(netdev), dump, buffer); | |
718 | } | |
719 | ||
4c352362 JK |
720 | static int nfp_net_set_coalesce(struct net_device *netdev, |
721 | struct ethtool_coalesce *ec) | |
722 | { | |
723 | struct nfp_net *nn = netdev_priv(netdev); | |
724 | unsigned int factor; | |
725 | ||
726 | if (ec->rx_coalesce_usecs_irq || | |
727 | ec->rx_max_coalesced_frames_irq || | |
728 | ec->tx_coalesce_usecs_irq || | |
729 | ec->tx_max_coalesced_frames_irq || | |
730 | ec->stats_block_coalesce_usecs || | |
731 | ec->use_adaptive_rx_coalesce || | |
732 | ec->use_adaptive_tx_coalesce || | |
733 | ec->pkt_rate_low || | |
734 | ec->rx_coalesce_usecs_low || | |
735 | ec->rx_max_coalesced_frames_low || | |
736 | ec->tx_coalesce_usecs_low || | |
737 | ec->tx_max_coalesced_frames_low || | |
738 | ec->pkt_rate_high || | |
739 | ec->rx_coalesce_usecs_high || | |
740 | ec->rx_max_coalesced_frames_high || | |
741 | ec->tx_coalesce_usecs_high || | |
742 | ec->tx_max_coalesced_frames_high || | |
743 | ec->rate_sample_interval) | |
744 | return -ENOTSUPP; | |
745 | ||
746 | /* Compute factor used to convert coalesce '_usecs' parameters to | |
747 | * ME timestamp ticks. There are 16 ME clock cycles for each timestamp | |
748 | * count. | |
749 | */ | |
750 | factor = nn->me_freq_mhz / 16; | |
751 | ||
752 | /* Each pair of (usecs, max_frames) fields specifies that interrupts | |
753 | * should be coalesced until | |
754 | * (usecs > 0 && time_since_first_completion >= usecs) || | |
755 | * (max_frames > 0 && completed_frames >= max_frames) | |
756 | * | |
757 | * It is illegal to set both usecs and max_frames to zero as this would | |
758 | * cause interrupts to never be generated. To disable coalescing, set | |
759 | * usecs = 0 and max_frames = 1. | |
760 | * | |
761 | * Some implementations ignore the value of max_frames and use the | |
762 | * condition time_since_first_completion >= usecs | |
763 | */ | |
764 | ||
765 | if (!(nn->cap & NFP_NET_CFG_CTRL_IRQMOD)) | |
766 | return -EINVAL; | |
767 | ||
768 | /* ensure valid configuration */ | |
769 | if (!ec->rx_coalesce_usecs && !ec->rx_max_coalesced_frames) | |
770 | return -EINVAL; | |
771 | ||
772 | if (!ec->tx_coalesce_usecs && !ec->tx_max_coalesced_frames) | |
773 | return -EINVAL; | |
774 | ||
775 | if (ec->rx_coalesce_usecs * factor >= ((1 << 16) - 1)) | |
776 | return -EINVAL; | |
777 | ||
778 | if (ec->tx_coalesce_usecs * factor >= ((1 << 16) - 1)) | |
779 | return -EINVAL; | |
780 | ||
781 | if (ec->rx_max_coalesced_frames >= ((1 << 16) - 1)) | |
782 | return -EINVAL; | |
783 | ||
784 | if (ec->tx_max_coalesced_frames >= ((1 << 16) - 1)) | |
785 | return -EINVAL; | |
786 | ||
787 | /* configuration is valid */ | |
788 | nn->rx_coalesce_usecs = ec->rx_coalesce_usecs; | |
789 | nn->rx_coalesce_max_frames = ec->rx_max_coalesced_frames; | |
790 | nn->tx_coalesce_usecs = ec->tx_coalesce_usecs; | |
791 | nn->tx_coalesce_max_frames = ec->tx_max_coalesced_frames; | |
792 | ||
793 | /* write configuration to device */ | |
794 | nfp_net_coalesce_write_cfg(nn); | |
795 | return nfp_net_reconfig(nn, NFP_NET_CFG_UPDATE_IRQMOD); | |
796 | } | |
797 | ||
81cc2e43 JK |
798 | static void nfp_net_get_channels(struct net_device *netdev, |
799 | struct ethtool_channels *channel) | |
800 | { | |
801 | struct nfp_net *nn = netdev_priv(netdev); | |
ecd63a02 JK |
802 | unsigned int num_tx_rings; |
803 | ||
79c12a75 JK |
804 | num_tx_rings = nn->dp.num_tx_rings; |
805 | if (nn->dp.xdp_prog) | |
806 | num_tx_rings -= nn->dp.num_rx_rings; | |
81cc2e43 JK |
807 | |
808 | channel->max_rx = min(nn->max_rx_rings, nn->max_r_vecs); | |
809 | channel->max_tx = min(nn->max_tx_rings, nn->max_r_vecs); | |
810 | channel->max_combined = min(channel->max_rx, channel->max_tx); | |
811 | channel->max_other = NFP_NET_NON_Q_VECTORS; | |
79c12a75 JK |
812 | channel->combined_count = min(nn->dp.num_rx_rings, num_tx_rings); |
813 | channel->rx_count = nn->dp.num_rx_rings - channel->combined_count; | |
ecd63a02 | 814 | channel->tx_count = num_tx_rings - channel->combined_count; |
81cc2e43 JK |
815 | channel->other_count = NFP_NET_NON_Q_VECTORS; |
816 | } | |
817 | ||
164d1e9e JK |
818 | static int nfp_net_set_num_rings(struct nfp_net *nn, unsigned int total_rx, |
819 | unsigned int total_tx) | |
820 | { | |
783496b0 | 821 | struct nfp_net_dp *dp; |
164d1e9e | 822 | |
783496b0 JK |
823 | dp = nfp_net_clone_dp(nn); |
824 | if (!dp) | |
825 | return -ENOMEM; | |
826 | ||
892a7f70 JK |
827 | dp->num_rx_rings = total_rx; |
828 | dp->num_tx_rings = total_tx; | |
829 | /* nfp_net_check_config() will catch num_tx_rings > nn->max_tx_rings */ | |
830 | if (dp->xdp_prog) | |
831 | dp->num_tx_rings += total_rx; | |
832 | ||
833 | return nfp_net_ring_reconfig(nn, dp); | |
164d1e9e JK |
834 | } |
835 | ||
836 | static int nfp_net_set_channels(struct net_device *netdev, | |
837 | struct ethtool_channels *channel) | |
838 | { | |
839 | struct nfp_net *nn = netdev_priv(netdev); | |
840 | unsigned int total_rx, total_tx; | |
841 | ||
842 | /* Reject unsupported */ | |
843 | if (!channel->combined_count || | |
844 | channel->other_count != NFP_NET_NON_Q_VECTORS || | |
845 | (channel->rx_count && channel->tx_count)) | |
846 | return -EINVAL; | |
847 | ||
848 | total_rx = channel->combined_count + channel->rx_count; | |
849 | total_tx = channel->combined_count + channel->tx_count; | |
850 | ||
851 | if (total_rx > min(nn->max_rx_rings, nn->max_r_vecs) || | |
852 | total_tx > min(nn->max_tx_rings, nn->max_r_vecs)) | |
853 | return -EINVAL; | |
854 | ||
855 | return nfp_net_set_num_rings(nn, total_rx, total_tx); | |
856 | } | |
857 | ||
4c352362 JK |
858 | static const struct ethtool_ops nfp_net_ethtool_ops = { |
859 | .get_drvinfo = nfp_net_get_drvinfo, | |
2370def2 | 860 | .get_link = ethtool_op_get_link, |
4c352362 JK |
861 | .get_ringparam = nfp_net_get_ringparam, |
862 | .set_ringparam = nfp_net_set_ringparam, | |
863 | .get_strings = nfp_net_get_strings, | |
864 | .get_ethtool_stats = nfp_net_get_stats, | |
865 | .get_sset_count = nfp_net_get_sset_count, | |
866 | .get_rxnfc = nfp_net_get_rxnfc, | |
867 | .set_rxnfc = nfp_net_set_rxnfc, | |
868 | .get_rxfh_indir_size = nfp_net_get_rxfh_indir_size, | |
869 | .get_rxfh_key_size = nfp_net_get_rxfh_key_size, | |
870 | .get_rxfh = nfp_net_get_rxfh, | |
871 | .set_rxfh = nfp_net_set_rxfh, | |
872 | .get_regs_len = nfp_net_get_regs_len, | |
873 | .get_regs = nfp_net_get_regs, | |
af623682 JK |
874 | .set_dump = nfp_net_set_dump, |
875 | .get_dump_flag = nfp_net_get_dump_flag, | |
876 | .get_dump_data = nfp_net_get_dump_data, | |
4c352362 JK |
877 | .get_coalesce = nfp_net_get_coalesce, |
878 | .set_coalesce = nfp_net_set_coalesce, | |
81cc2e43 | 879 | .get_channels = nfp_net_get_channels, |
164d1e9e | 880 | .set_channels = nfp_net_set_channels, |
265aeb51 | 881 | .get_link_ksettings = nfp_net_get_link_ksettings, |
4c352362 JK |
882 | }; |
883 | ||
884 | void nfp_net_set_ethtool_ops(struct net_device *netdev) | |
885 | { | |
886 | netdev->ethtool_ops = &nfp_net_ethtool_ops; | |
887 | } |