aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/net/sfc/mcdi_phy.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/net/sfc/mcdi_phy.c')
-rw-r--r--drivers/net/sfc/mcdi_phy.c93
1 files changed, 35 insertions, 58 deletions
diff --git a/drivers/net/sfc/mcdi_phy.c b/drivers/net/sfc/mcdi_phy.c
index 0e1bcc5a0d52..eb694af7a473 100644
--- a/drivers/net/sfc/mcdi_phy.c
+++ b/drivers/net/sfc/mcdi_phy.c
@@ -304,31 +304,47 @@ static u32 mcdi_to_ethtool_media(u32 media)
304 304
305static int efx_mcdi_phy_probe(struct efx_nic *efx) 305static int efx_mcdi_phy_probe(struct efx_nic *efx)
306{ 306{
307 struct efx_mcdi_phy_cfg *phy_cfg; 307 struct efx_mcdi_phy_cfg *phy_data;
308 u8 outbuf[MC_CMD_GET_LINK_OUT_LEN];
309 u32 caps;
308 int rc; 310 int rc;
309 311
310 /* TODO: Move phy_data initialisation to 312 /* Initialise and populate phy_data */
311 * phy_op->probe/remove, rather than init/fini */ 313 phy_data = kzalloc(sizeof(*phy_data), GFP_KERNEL);
312 phy_cfg = kzalloc(sizeof(*phy_cfg), GFP_KERNEL); 314 if (phy_data == NULL)
313 if (phy_cfg == NULL) { 315 return -ENOMEM;
314 rc = -ENOMEM; 316
315 goto fail_alloc; 317 rc = efx_mcdi_get_phy_cfg(efx, phy_data);
316 }
317 rc = efx_mcdi_get_phy_cfg(efx, phy_cfg);
318 if (rc != 0) 318 if (rc != 0)
319 goto fail; 319 goto fail;
320 320
321 efx->phy_type = phy_cfg->type; 321 /* Read initial link advertisement */
322 BUILD_BUG_ON(MC_CMD_GET_LINK_IN_LEN != 0);
323 rc = efx_mcdi_rpc(efx, MC_CMD_GET_LINK, NULL, 0,
324 outbuf, sizeof(outbuf), NULL);
325 if (rc)
326 goto fail;
327
328 /* Fill out nic state */
329 efx->phy_data = phy_data;
330 efx->phy_type = phy_data->type;
322 331
323 efx->mdio_bus = phy_cfg->channel; 332 efx->mdio_bus = phy_data->channel;
324 efx->mdio.prtad = phy_cfg->port; 333 efx->mdio.prtad = phy_data->port;
325 efx->mdio.mmds = phy_cfg->mmd_mask & ~(1 << MC_CMD_MMD_CLAUSE22); 334 efx->mdio.mmds = phy_data->mmd_mask & ~(1 << MC_CMD_MMD_CLAUSE22);
326 efx->mdio.mode_support = 0; 335 efx->mdio.mode_support = 0;
327 if (phy_cfg->mmd_mask & (1 << MC_CMD_MMD_CLAUSE22)) 336 if (phy_data->mmd_mask & (1 << MC_CMD_MMD_CLAUSE22))
328 efx->mdio.mode_support |= MDIO_SUPPORTS_C22; 337 efx->mdio.mode_support |= MDIO_SUPPORTS_C22;
329 if (phy_cfg->mmd_mask & ~(1 << MC_CMD_MMD_CLAUSE22)) 338 if (phy_data->mmd_mask & ~(1 << MC_CMD_MMD_CLAUSE22))
330 efx->mdio.mode_support |= MDIO_SUPPORTS_C45 | MDIO_EMULATE_C22; 339 efx->mdio.mode_support |= MDIO_SUPPORTS_C45 | MDIO_EMULATE_C22;
331 340
341 caps = MCDI_DWORD(outbuf, GET_LINK_OUT_CAP);
342 if (caps & (1 << MC_CMD_PHY_CAP_AN_LBN))
343 efx->link_advertising =
344 mcdi_to_ethtool_cap(phy_data->media, caps);
345 else
346 phy_data->forced_cap = caps;
347
332 /* Assert that we can map efx -> mcdi loopback modes */ 348 /* Assert that we can map efx -> mcdi loopback modes */
333 BUILD_BUG_ON(LOOPBACK_NONE != MC_CMD_LOOPBACK_NONE); 349 BUILD_BUG_ON(LOOPBACK_NONE != MC_CMD_LOOPBACK_NONE);
334 BUILD_BUG_ON(LOOPBACK_DATA != MC_CMD_LOOPBACK_DATA); 350 BUILD_BUG_ON(LOOPBACK_DATA != MC_CMD_LOOPBACK_DATA);
@@ -365,46 +381,6 @@ static int efx_mcdi_phy_probe(struct efx_nic *efx)
365 * but by convention we don't */ 381 * but by convention we don't */
366 efx->loopback_modes &= ~(1 << LOOPBACK_NONE); 382 efx->loopback_modes &= ~(1 << LOOPBACK_NONE);
367 383
368 kfree(phy_cfg);
369
370 return 0;
371
372fail:
373 kfree(phy_cfg);
374fail_alloc:
375 return rc;
376}
377
378static int efx_mcdi_phy_init(struct efx_nic *efx)
379{
380 struct efx_mcdi_phy_cfg *phy_data;
381 u8 outbuf[MC_CMD_GET_LINK_OUT_LEN];
382 u32 caps;
383 int rc;
384
385 phy_data = kzalloc(sizeof(*phy_data), GFP_KERNEL);
386 if (phy_data == NULL)
387 return -ENOMEM;
388
389 rc = efx_mcdi_get_phy_cfg(efx, phy_data);
390 if (rc != 0)
391 goto fail;
392
393 efx->phy_data = phy_data;
394
395 BUILD_BUG_ON(MC_CMD_GET_LINK_IN_LEN != 0);
396 rc = efx_mcdi_rpc(efx, MC_CMD_GET_LINK, NULL, 0,
397 outbuf, sizeof(outbuf), NULL);
398 if (rc)
399 goto fail;
400
401 caps = MCDI_DWORD(outbuf, GET_LINK_OUT_CAP);
402 if (caps & (1 << MC_CMD_PHY_CAP_AN_LBN))
403 efx->link_advertising =
404 mcdi_to_ethtool_cap(phy_data->media, caps);
405 else
406 phy_data->forced_cap = caps;
407
408 return 0; 384 return 0;
409 385
410fail: 386fail:
@@ -504,7 +480,7 @@ static bool efx_mcdi_phy_poll(struct efx_nic *efx)
504 return !efx_link_state_equal(&efx->link_state, &old_state); 480 return !efx_link_state_equal(&efx->link_state, &old_state);
505} 481}
506 482
507static void efx_mcdi_phy_fini(struct efx_nic *efx) 483static void efx_mcdi_phy_remove(struct efx_nic *efx)
508{ 484{
509 struct efx_mcdi_phy_data *phy_data = efx->phy_data; 485 struct efx_mcdi_phy_data *phy_data = efx->phy_data;
510 486
@@ -586,10 +562,11 @@ static int efx_mcdi_phy_set_settings(struct efx_nic *efx, struct ethtool_cmd *ec
586 562
587struct efx_phy_operations efx_mcdi_phy_ops = { 563struct efx_phy_operations efx_mcdi_phy_ops = {
588 .probe = efx_mcdi_phy_probe, 564 .probe = efx_mcdi_phy_probe,
589 .init = efx_mcdi_phy_init, 565 .init = efx_port_dummy_op_int,
590 .reconfigure = efx_mcdi_phy_reconfigure, 566 .reconfigure = efx_mcdi_phy_reconfigure,
591 .poll = efx_mcdi_phy_poll, 567 .poll = efx_mcdi_phy_poll,
592 .fini = efx_mcdi_phy_fini, 568 .fini = efx_port_dummy_op_void,
569 .remove = efx_mcdi_phy_remove,
593 .get_settings = efx_mcdi_phy_get_settings, 570 .get_settings = efx_mcdi_phy_get_settings,
594 .set_settings = efx_mcdi_phy_set_settings, 571 .set_settings = efx_mcdi_phy_set_settings,
595 .run_tests = NULL, 572 .run_tests = NULL,