You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
145 lines
3.7 KiB
145 lines
3.7 KiB
/****************************************************************************
|
|
* Driver for Solarflare Solarstorm network controllers and boards
|
|
* Copyright 2009 Solarflare Communications Inc.
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify it
|
|
* under the terms of the GNU General Public License version 2 as published
|
|
* by the Free Software Foundation, incorporated herein by reference.
|
|
*/
|
|
|
|
#include "net_driver.h"
|
|
#include "efx.h"
|
|
#include "mac.h"
|
|
#include "mcdi.h"
|
|
#include "mcdi_pcol.h"
|
|
|
|
static int efx_mcdi_set_mac(struct efx_nic *efx)
|
|
{
|
|
u32 reject, fcntl;
|
|
u8 cmdbytes[MC_CMD_SET_MAC_IN_LEN];
|
|
|
|
memcpy(cmdbytes + MC_CMD_SET_MAC_IN_ADDR_OFST,
|
|
efx->net_dev->dev_addr, ETH_ALEN);
|
|
|
|
MCDI_SET_DWORD(cmdbytes, SET_MAC_IN_MTU,
|
|
EFX_MAX_FRAME_LEN(efx->net_dev->mtu));
|
|
MCDI_SET_DWORD(cmdbytes, SET_MAC_IN_DRAIN, 0);
|
|
|
|
/* The MCDI command provides for controlling accept/reject
|
|
* of broadcast packets too, but the driver doesn't currently
|
|
* expose this. */
|
|
reject = (efx->promiscuous) ? 0 :
|
|
(1 << MC_CMD_SET_MAC_IN_REJECT_UNCST_LBN);
|
|
MCDI_SET_DWORD(cmdbytes, SET_MAC_IN_REJECT, reject);
|
|
|
|
switch (efx->wanted_fc) {
|
|
case EFX_FC_RX | EFX_FC_TX:
|
|
fcntl = MC_CMD_FCNTL_BIDIR;
|
|
break;
|
|
case EFX_FC_RX:
|
|
fcntl = MC_CMD_FCNTL_RESPOND;
|
|
break;
|
|
default:
|
|
fcntl = MC_CMD_FCNTL_OFF;
|
|
break;
|
|
}
|
|
if (efx->wanted_fc & EFX_FC_AUTO)
|
|
fcntl = MC_CMD_FCNTL_AUTO;
|
|
|
|
MCDI_SET_DWORD(cmdbytes, SET_MAC_IN_FCNTL, fcntl);
|
|
|
|
return efx_mcdi_rpc(efx, MC_CMD_SET_MAC, cmdbytes, sizeof(cmdbytes),
|
|
NULL, 0, NULL);
|
|
}
|
|
|
|
static int efx_mcdi_get_mac_faults(struct efx_nic *efx, u32 *faults)
|
|
{
|
|
u8 outbuf[MC_CMD_GET_LINK_OUT_LEN];
|
|
size_t outlength;
|
|
int rc;
|
|
|
|
BUILD_BUG_ON(MC_CMD_GET_LINK_IN_LEN != 0);
|
|
|
|
rc = efx_mcdi_rpc(efx, MC_CMD_GET_LINK, NULL, 0,
|
|
outbuf, sizeof(outbuf), &outlength);
|
|
if (rc)
|
|
goto fail;
|
|
|
|
*faults = MCDI_DWORD(outbuf, GET_LINK_OUT_MAC_FAULT);
|
|
return 0;
|
|
|
|
fail:
|
|
EFX_ERR(efx, "%s: failed rc=%d\n",
|
|
__func__, rc);
|
|
return rc;
|
|
}
|
|
|
|
int efx_mcdi_mac_stats(struct efx_nic *efx, dma_addr_t dma_addr,
|
|
u32 dma_len, int enable, int clear)
|
|
{
|
|
u8 inbuf[MC_CMD_MAC_STATS_IN_LEN];
|
|
int rc;
|
|
efx_dword_t *cmd_ptr;
|
|
int period = enable ? 1000 : 0;
|
|
u32 addr_hi;
|
|
u32 addr_lo;
|
|
|
|
BUILD_BUG_ON(MC_CMD_MAC_STATS_OUT_LEN != 0);
|
|
|
|
addr_lo = ((u64)dma_addr) >> 0;
|
|
addr_hi = ((u64)dma_addr) >> 32;
|
|
|
|
MCDI_SET_DWORD(inbuf, MAC_STATS_IN_DMA_ADDR_LO, addr_lo);
|
|
MCDI_SET_DWORD(inbuf, MAC_STATS_IN_DMA_ADDR_HI, addr_hi);
|
|
cmd_ptr = (efx_dword_t *)MCDI_PTR(inbuf, MAC_STATS_IN_CMD);
|
|
EFX_POPULATE_DWORD_7(*cmd_ptr,
|
|
MC_CMD_MAC_STATS_CMD_DMA, !!enable,
|
|
MC_CMD_MAC_STATS_CMD_CLEAR, clear,
|
|
MC_CMD_MAC_STATS_CMD_PERIODIC_CHANGE, 1,
|
|
MC_CMD_MAC_STATS_CMD_PERIODIC_ENABLE, !!enable,
|
|
MC_CMD_MAC_STATS_CMD_PERIODIC_CLEAR, 0,
|
|
MC_CMD_MAC_STATS_CMD_PERIODIC_NOEVENT, 1,
|
|
MC_CMD_MAC_STATS_CMD_PERIOD_MS, period);
|
|
MCDI_SET_DWORD(inbuf, MAC_STATS_IN_DMA_LEN, dma_len);
|
|
|
|
rc = efx_mcdi_rpc(efx, MC_CMD_MAC_STATS, inbuf, sizeof(inbuf),
|
|
NULL, 0, NULL);
|
|
if (rc)
|
|
goto fail;
|
|
|
|
return 0;
|
|
|
|
fail:
|
|
EFX_ERR(efx, "%s: %s failed rc=%d\n",
|
|
__func__, enable ? "enable" : "disable", rc);
|
|
return rc;
|
|
}
|
|
|
|
static int efx_mcdi_mac_reconfigure(struct efx_nic *efx)
|
|
{
|
|
int rc;
|
|
|
|
rc = efx_mcdi_set_mac(efx);
|
|
if (rc != 0)
|
|
return rc;
|
|
|
|
/* Restore the multicast hash registers. */
|
|
efx->type->push_multicast_hash(efx);
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
static bool efx_mcdi_mac_check_fault(struct efx_nic *efx)
|
|
{
|
|
u32 faults;
|
|
int rc = efx_mcdi_get_mac_faults(efx, &faults);
|
|
return (rc != 0) || (faults != 0);
|
|
}
|
|
|
|
|
|
struct efx_mac_operations efx_mcdi_mac_operations = {
|
|
.reconfigure = efx_mcdi_mac_reconfigure,
|
|
.update_stats = efx_port_dummy_op_void,
|
|
.check_fault = efx_mcdi_mac_check_fault,
|
|
};
|
|
|