1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
|
/****************************************************************************
* Driver for Solarflare Solarstorm network controllers and boards
* Copyright 2009-2010 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 "mcdi.h"
#include "mcdi_pcol.h"
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;
if (efx->fc_disable)
fcntl = MC_CMD_FCNTL_OFF;
MCDI_SET_DWORD(cmdbytes, SET_MAC_IN_FCNTL, fcntl);
return efx_mcdi_rpc(efx, MC_CMD_SET_MAC, cmdbytes, sizeof(cmdbytes),
NULL, 0, NULL);
}
bool efx_mcdi_mac_check_fault(struct efx_nic *efx)
{
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) {
netif_err(efx, hw, efx->net_dev, "%s: failed rc=%d\n",
__func__, rc);
return true;
}
return MCDI_DWORD(outbuf, GET_LINK_OUT_MAC_FAULT) != 0;
}
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_DMA_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_IN_DMA, !!enable,
MC_CMD_MAC_STATS_IN_CLEAR, clear,
MC_CMD_MAC_STATS_IN_PERIODIC_CHANGE, 1,
MC_CMD_MAC_STATS_IN_PERIODIC_ENABLE, !!enable,
MC_CMD_MAC_STATS_IN_PERIODIC_CLEAR, 0,
MC_CMD_MAC_STATS_IN_PERIODIC_NOEVENT, 1,
MC_CMD_MAC_STATS_IN_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:
netif_err(efx, hw, efx->net_dev, "%s: %s failed rc=%d\n",
__func__, enable ? "enable" : "disable", rc);
return rc;
}
int efx_mcdi_mac_reconfigure(struct efx_nic *efx)
{
int rc;
WARN_ON(!mutex_is_locked(&efx->mac_lock));
rc = efx_mcdi_set_mac(efx);
if (rc != 0)
return rc;
return efx_mcdi_rpc(efx, MC_CMD_SET_MCAST_HASH,
efx->multicast_hash.byte,
sizeof(efx->multicast_hash),
NULL, 0, NULL);
}
|
