summaryrefslogtreecommitdiff
path: root/drivers/net/ethernet/sfc/mcdi_port.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/net/ethernet/sfc/mcdi_port.c')
-rw-r--r--drivers/net/ethernet/sfc/mcdi_port.c105
1 files changed, 3 insertions, 102 deletions
diff --git a/drivers/net/ethernet/sfc/mcdi_port.c b/drivers/net/ethernet/sfc/mcdi_port.c
index b807871d8f69..98eeb404f68d 100644
--- a/drivers/net/ethernet/sfc/mcdi_port.c
+++ b/drivers/net/ethernet/sfc/mcdi_port.c
@@ -10,6 +10,7 @@
#include <linux/slab.h>
#include "efx.h"
+#include "mcdi_port.h"
#include "mcdi.h"
#include "mcdi_pcol.h"
#include "nic.h"
@@ -175,19 +176,6 @@ fail:
return rc;
}
-int efx_mcdi_port_reconfigure(struct efx_nic *efx)
-{
- struct efx_mcdi_phy_data *phy_cfg = efx->phy_data;
- u32 caps = (efx->link_advertising[0] ?
- ethtool_linkset_to_mcdi_cap(efx->link_advertising) :
- phy_cfg->forced_cap);
-
- caps |= ethtool_fec_caps_to_mcdi(efx->fec_config);
-
- return efx_mcdi_set_link(efx, caps, efx_get_mcdi_phy_flags(efx),
- efx->loopback_mode, 0);
-}
-
static void efx_mcdi_phy_remove(struct efx_nic *efx)
{
struct efx_mcdi_phy_data *phy_data = efx->phy_data;
@@ -691,80 +679,6 @@ bool efx_mcdi_mac_check_fault(struct efx_nic *efx)
return MCDI_DWORD(outbuf, GET_LINK_OUT_MAC_FAULT) != 0;
}
-enum efx_stats_action {
- EFX_STATS_ENABLE,
- EFX_STATS_DISABLE,
- EFX_STATS_PULL,
-};
-
-static int efx_mcdi_mac_stats(struct efx_nic *efx,
- enum efx_stats_action action, int clear)
-{
- MCDI_DECLARE_BUF(inbuf, MC_CMD_MAC_STATS_IN_LEN);
- int rc;
- int change = action == EFX_STATS_PULL ? 0 : 1;
- int enable = action == EFX_STATS_ENABLE ? 1 : 0;
- int period = action == EFX_STATS_ENABLE ? 1000 : 0;
- dma_addr_t dma_addr = efx->stats_buffer.dma_addr;
- u32 dma_len = action != EFX_STATS_DISABLE ?
- efx->num_mac_stats * sizeof(u64) : 0;
-
- BUILD_BUG_ON(MC_CMD_MAC_STATS_OUT_DMA_LEN != 0);
-
- MCDI_SET_QWORD(inbuf, MAC_STATS_IN_DMA_ADDR, dma_addr);
- MCDI_POPULATE_DWORD_7(inbuf, MAC_STATS_IN_CMD,
- MAC_STATS_IN_DMA, !!enable,
- MAC_STATS_IN_CLEAR, clear,
- MAC_STATS_IN_PERIODIC_CHANGE, change,
- MAC_STATS_IN_PERIODIC_ENABLE, enable,
- MAC_STATS_IN_PERIODIC_CLEAR, 0,
- MAC_STATS_IN_PERIODIC_NOEVENT, 1,
- MAC_STATS_IN_PERIOD_MS, period);
- MCDI_SET_DWORD(inbuf, MAC_STATS_IN_DMA_LEN, dma_len);
-
- if (efx_nic_rev(efx) >= EFX_REV_HUNT_A0)
- MCDI_SET_DWORD(inbuf, MAC_STATS_IN_PORT_ID, efx->vport_id);
-
- rc = efx_mcdi_rpc_quiet(efx, MC_CMD_MAC_STATS, inbuf, sizeof(inbuf),
- NULL, 0, NULL);
- /* Expect ENOENT if DMA queues have not been set up */
- if (rc && (rc != -ENOENT || atomic_read(&efx->active_queues)))
- efx_mcdi_display_error(efx, MC_CMD_MAC_STATS, sizeof(inbuf),
- NULL, 0, rc);
- return rc;
-}
-
-void efx_mcdi_mac_start_stats(struct efx_nic *efx)
-{
- __le64 *dma_stats = efx->stats_buffer.addr;
-
- dma_stats[efx->num_mac_stats - 1] = EFX_MC_STATS_GENERATION_INVALID;
-
- efx_mcdi_mac_stats(efx, EFX_STATS_ENABLE, 0);
-}
-
-void efx_mcdi_mac_stop_stats(struct efx_nic *efx)
-{
- efx_mcdi_mac_stats(efx, EFX_STATS_DISABLE, 0);
-}
-
-#define EFX_MAC_STATS_WAIT_US 100
-#define EFX_MAC_STATS_WAIT_ATTEMPTS 10
-
-void efx_mcdi_mac_pull_stats(struct efx_nic *efx)
-{
- __le64 *dma_stats = efx->stats_buffer.addr;
- int attempts = EFX_MAC_STATS_WAIT_ATTEMPTS;
-
- dma_stats[efx->num_mac_stats - 1] = EFX_MC_STATS_GENERATION_INVALID;
- efx_mcdi_mac_stats(efx, EFX_STATS_PULL, 0);
-
- while (dma_stats[efx->num_mac_stats - 1] ==
- EFX_MC_STATS_GENERATION_INVALID &&
- attempts-- != 0)
- udelay(EFX_MAC_STATS_WAIT_US);
-}
-
int efx_mcdi_port_probe(struct efx_nic *efx)
{
int rc;
@@ -782,24 +696,11 @@ int efx_mcdi_port_probe(struct efx_nic *efx)
if (rc != 0)
return rc;
- /* Allocate buffer for stats */
- rc = efx_nic_alloc_buffer(efx, &efx->stats_buffer,
- efx->num_mac_stats * sizeof(u64), GFP_KERNEL);
- if (rc)
- return rc;
- netif_dbg(efx, probe, efx->net_dev,
- "stats buffer at %llx (virt %p phys %llx)\n",
- (u64)efx->stats_buffer.dma_addr,
- efx->stats_buffer.addr,
- (u64)virt_to_phys(efx->stats_buffer.addr));
-
- efx_mcdi_mac_stats(efx, EFX_STATS_DISABLE, 1);
-
- return 0;
+ return efx_mcdi_mac_init_stats(efx);
}
void efx_mcdi_port_remove(struct efx_nic *efx)
{
efx->phy_op->remove(efx);
- efx_nic_free_buffer(efx, &efx->stats_buffer);
+ efx_mcdi_mac_fini_stats(efx);
}