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371d7a9e MT |
1 | /************************************************************************** |
2 | * | |
3 | * Copyright (C) 2000-2008 Alacritech, Inc. All rights reserved. | |
4 | * | |
5 | * Redistribution and use in source and binary forms, with or without | |
6 | * modification, are permitted provided that the following conditions | |
7 | * are met: | |
8 | * | |
9 | * 1. Redistributions of source code must retain the above copyright | |
10 | * notice, this list of conditions and the following disclaimer. | |
11 | * 2. Redistributions in binary form must reproduce the above | |
12 | * copyright notice, this list of conditions and the following | |
13 | * disclaimer in the documentation and/or other materials provided | |
14 | * with the distribution. | |
15 | * | |
16 | * THIS SOFTWARE IS PROVIDED BY ALACRITECH, INC. ``AS IS'' AND ANY | |
17 | * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
18 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | |
19 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL ALACRITECH, INC. OR | |
20 | * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
21 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
22 | * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF | |
23 | * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND | |
24 | * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, | |
25 | * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT | |
26 | * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
27 | * SUCH DAMAGE. | |
28 | * | |
29 | * The views and conclusions contained in the software and documentation | |
30 | * are those of the authors and should not be interpreted as representing | |
31 | * official policies, either expressed or implied, of Alacritech, Inc. | |
32 | * | |
33 | **************************************************************************/ | |
34 | ||
35 | /* | |
36 | * FILENAME: sxg_ethtool.c | |
37 | * | |
38 | * The ethtool support for SXG driver for Alacritech's 10Gbe products. | |
39 | * | |
40 | * NOTE: This is the standard, non-accelerated version of Alacritech's | |
41 | * IS-NIC driver. | |
42 | */ | |
43 | #include <linux/kernel.h> | |
44 | #include <linux/errno.h> | |
45 | #include <linux/module.h> | |
46 | #include <linux/netdevice.h> | |
47 | #include <linux/etherdevice.h> | |
48 | #include <linux/ethtool.h> | |
49 | #include <linux/skbuff.h> | |
50 | #include <linux/pci.h> | |
51 | ||
52 | #include "sxg_os.h" | |
53 | #include "sxghw.h" | |
54 | #include "sxghif.h" | |
55 | #include "sxg.h" | |
371d7a9e MT |
56 | |
57 | struct sxg_nic_stats { | |
58 | char stat_string[ETH_GSTRING_LEN]; | |
59 | int sizeof_stat; | |
60 | int stat_offset; | |
61 | }; | |
62 | ||
63 | #define SXG_NIC_STATS(m) sizeof(((struct adapter_t *)0)->m), \ | |
64 | offsetof(struct adapter_t, m) | |
65 | ||
66 | #define USER_VIEWABLE_EEPROM_SIZE 28 | |
67 | ||
68 | static struct sxg_nic_stats sxg_nic_gstrings_stats[] = { | |
69 | {"xmit_ring_0_full", SXG_NIC_STATS(Stats.XmtZeroFull)}, | |
70 | ||
71 | /* May be will need in future */ | |
72 | /* {"dumb_xmit_broadcast_packets", SXG_NIC_STATS(Stats.DumbXmtBcastPkts)}, | |
73 | {"dumb_xmit_broadcast_bytes", SXG_NIC_STATS(Stats.DumbXmtBcastBytes)}, | |
74 | {"dumb_xmit_unicast_packets", SXG_NIC_STATS(Stats.DumbXmtUcastPkts)}, | |
75 | {"dumb_xmit_unicast_bytes", SXG_NIC_STATS(Stats.DumbXmtUcastBytes)}, | |
76 | */ | |
77 | {"xmit_queue_length", SXG_NIC_STATS(Stats.XmtQLen)}, | |
78 | {"memory_allocation_failure", SXG_NIC_STATS(Stats.NoMem)}, | |
79 | {"Interrupts", SXG_NIC_STATS(Stats.NumInts)}, | |
80 | {"false_interrupts", SXG_NIC_STATS(Stats.FalseInts)}, | |
81 | {"processed_data_queue_full", SXG_NIC_STATS(Stats.PdqFull)}, | |
82 | {"event_ring_full", SXG_NIC_STATS(Stats.EventRingFull)}, | |
83 | {"transport_checksum_error", SXG_NIC_STATS(Stats.TransportCsum)}, | |
84 | {"transport_underflow_error", SXG_NIC_STATS(Stats.TransportUflow)}, | |
85 | {"transport_header_length_error", SXG_NIC_STATS(Stats.TransportHdrLen)}, | |
86 | {"network_checksum_error", SXG_NIC_STATS(Stats.NetworkCsum)}, | |
87 | {"network_underflow_error", SXG_NIC_STATS(Stats.NetworkUflow)}, | |
88 | {"network_header_length_error", SXG_NIC_STATS(Stats.NetworkHdrLen)}, | |
89 | {"receive_parity_error", SXG_NIC_STATS(Stats.Parity)}, | |
90 | {"link_parity_error", SXG_NIC_STATS(Stats.LinkParity)}, | |
91 | {"link/data early_error", SXG_NIC_STATS(Stats.LinkEarly)}, | |
92 | {"buffer_overflow_error", SXG_NIC_STATS(Stats.LinkBufOflow)}, | |
93 | {"link_code_error", SXG_NIC_STATS(Stats.LinkCode)}, | |
94 | {"dribble nibble", SXG_NIC_STATS(Stats.LinkDribble)}, | |
95 | {"CRC_error", SXG_NIC_STATS(Stats.LinkCrc)}, | |
96 | {"link_overflow_error", SXG_NIC_STATS(Stats.LinkOflow)}, | |
97 | {"link_underflow_error", SXG_NIC_STATS(Stats.LinkUflow)}, | |
98 | ||
99 | /* May be need in future */ | |
100 | /* {"dumb_rcv_broadcast_packets", SXG_NIC_STATS(Stats.DumbRcvBcastPkts)}, | |
101 | {"dumb_rcv_broadcast_bytes", SXG_NIC_STATS(Stats.DumbRcvBcastBytes)}, | |
b040b07b | 102 | */ {"dumb_rcv_multicast_packets", SXG_NIC_STATS(Stats.DumbRcvMcastPkts)}, |
371d7a9e | 103 | {"dumb_rcv_multicast_bytes", SXG_NIC_STATS(Stats.DumbRcvMcastBytes)}, |
b040b07b | 104 | /* {"dumb_rcv_unicast_packets", SXG_NIC_STATS(Stats.DumbRcvUcastPkts)}, |
371d7a9e MT |
105 | {"dumb_rcv_unicast_bytes", SXG_NIC_STATS(Stats.DumbRcvUcastBytes)}, |
106 | */ | |
107 | {"no_sgl_buffer", SXG_NIC_STATS(Stats.NoSglBuf)}, | |
108 | }; | |
109 | ||
110 | #define SXG_NIC_STATS_LEN ARRAY_SIZE(sxg_nic_gstrings_stats) | |
111 | ||
112 | static inline void sxg_reg32_write(void __iomem *reg, u32 value, bool flush) | |
113 | { | |
114 | writel(value, reg); | |
115 | if (flush) | |
116 | mb(); | |
117 | } | |
118 | ||
119 | static inline void sxg_reg64_write(struct adapter_t *adapter, void __iomem *reg, | |
120 | u64 value, u32 cpu) | |
121 | { | |
122 | u32 value_high = (u32) (value >> 32); | |
123 | u32 value_low = (u32) (value & 0x00000000FFFFFFFF); | |
124 | unsigned long flags; | |
125 | ||
126 | spin_lock_irqsave(&adapter->Bit64RegLock, flags); | |
127 | writel(value_high, (void __iomem *)(&adapter->UcodeRegs[cpu].Upper)); | |
128 | writel(value_low, reg); | |
129 | spin_unlock_irqrestore(&adapter->Bit64RegLock, flags); | |
130 | } | |
131 | ||
132 | static void | |
133 | sxg_nic_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *drvinfo) | |
134 | { | |
135 | struct adapter_t *adapter = netdev_priv(dev); | |
136 | strncpy(drvinfo->driver, sxg_driver_name, 32); | |
137 | strncpy(drvinfo->version, SXG_DRV_VERSION, 32); | |
d9d578bf | 138 | // strncpy(drvinfo->fw_version, SAHARA_UCODE_VERS_STRING, 32); |
371d7a9e MT |
139 | strncpy(drvinfo->bus_info, pci_name(adapter->pcidev), 32); |
140 | /* TODO : Read the major and minor number of firmware. Is this | |
141 | * from the FLASH/EEPROM or download file ? | |
142 | */ | |
143 | /* LINSYS : Check if this is correct or if not find the right value | |
144 | * Also check what is the right EEPROM length : EEPROM_SIZE_XFMR or EEPROM_SIZE_NO_XFMR | |
145 | */ | |
146 | } | |
147 | ||
148 | static int sxg_nic_set_settings(struct net_device *netdev, | |
149 | struct ethtool_cmd *ecmd) | |
150 | { | |
151 | /* No settings are applicable as we support only 10Gb/FIBRE_media */ | |
152 | return -EOPNOTSUPP; | |
153 | } | |
154 | ||
a7c0ea6e | 155 | static void |
371d7a9e MT |
156 | sxg_nic_get_strings(struct net_device *netdev, u32 stringset, u8 * data) |
157 | { | |
158 | int index; | |
159 | ||
160 | switch(stringset) { | |
a7c0ea6e | 161 | case ETH_SS_TEST: |
371d7a9e MT |
162 | break; |
163 | case ETH_SS_STATS: | |
164 | for (index = 0; index < SXG_NIC_STATS_LEN; index++) { | |
165 | memcpy(data + index * ETH_GSTRING_LEN, | |
166 | sxg_nic_gstrings_stats[index].stat_string, | |
167 | ETH_GSTRING_LEN); | |
168 | } | |
169 | break; | |
170 | } | |
171 | } | |
172 | ||
173 | static void | |
174 | sxg_nic_get_ethtool_stats(struct net_device *netdev, | |
175 | struct ethtool_stats *stats, u64 * data) | |
176 | { | |
177 | struct adapter_t *adapter = netdev_priv(netdev); | |
178 | int index; | |
179 | for (index = 0; index < SXG_NIC_STATS_LEN; index++) { | |
180 | char *p = (char *)adapter + | |
181 | sxg_nic_gstrings_stats[index].stat_offset; | |
182 | data[index] = (sxg_nic_gstrings_stats[index].sizeof_stat == | |
183 | sizeof(u64)) ? *(u64 *) p : *(u32 *) p; | |
184 | } | |
185 | } | |
186 | ||
187 | static int sxg_nic_get_sset_count(struct net_device *netdev, int sset) | |
188 | { | |
189 | switch (sset) { | |
190 | case ETH_SS_STATS: | |
191 | return SXG_NIC_STATS_LEN; | |
192 | default: | |
193 | return -EOPNOTSUPP; | |
194 | } | |
195 | } | |
196 | ||
197 | static int sxg_nic_get_settings(struct net_device *netdev, | |
198 | struct ethtool_cmd *ecmd) | |
199 | { | |
200 | struct adapter_t *adapter = netdev_priv(netdev); | |
201 | ||
202 | ecmd->supported = SUPPORTED_10000baseT_Full; | |
203 | ecmd->autoneg = AUTONEG_ENABLE; //VSS check This | |
204 | ecmd->transceiver = XCVR_EXTERNAL; //VSS check This | |
205 | ||
206 | /* For Fibre Channel */ | |
207 | ecmd->supported |= SUPPORTED_FIBRE; | |
208 | ecmd->advertising = (ADVERTISED_10000baseT_Full | | |
209 | ADVERTISED_FIBRE); | |
210 | ecmd->port = PORT_FIBRE; | |
211 | ||
212 | ||
213 | /* Link Speed */ | |
214 | if(adapter->LinkState & SXG_LINK_UP) { | |
215 | ecmd->speed = SPEED_10000; //adapter->LinkSpeed; | |
216 | ecmd->duplex = DUPLEX_FULL; | |
217 | } | |
218 | return 0; | |
219 | } | |
220 | ||
a7c0ea6e | 221 | static u32 sxg_nic_get_rx_csum(struct net_device *netdev) |
371d7a9e MT |
222 | { |
223 | struct adapter_t *adapter = netdev_priv(netdev); | |
bbb18b97 | 224 | return ((adapter->flags & SXG_RCV_IP_CSUM_ENABLED) && |
371d7a9e MT |
225 | (adapter->flags & SXG_RCV_TCP_CSUM_ENABLED)); |
226 | } | |
227 | ||
228 | static int sxg_nic_set_rx_csum(struct net_device *netdev, u32 data) | |
229 | { | |
230 | struct adapter_t *adapter = netdev_priv(netdev); | |
231 | if (data) | |
232 | adapter->flags |= SXG_RCV_IP_CSUM_ENABLED; | |
233 | else | |
234 | adapter->flags &= ~SXG_RCV_IP_CSUM_ENABLED; | |
bbb18b97 MT |
235 | /* |
236 | * We dont need to write to the card to do checksums. | |
237 | * It does it anyways. | |
238 | */ | |
371d7a9e MT |
239 | return 0; |
240 | } | |
241 | ||
242 | static int sxg_nic_get_regs_len(struct net_device *dev) | |
243 | { | |
244 | return (SXG_HWREG_MEMSIZE + SXG_UCODEREG_MEMSIZE); | |
245 | } | |
246 | ||
247 | static void sxg_nic_get_regs(struct net_device *netdev, | |
248 | struct ethtool_regs *regs, void *p) | |
249 | { | |
250 | struct adapter_t *adapter = netdev_priv(netdev); | |
251 | struct sxg_hw_regs *HwRegs = adapter->HwRegs; | |
252 | struct sxg_ucode_regs *UcodeRegs = adapter->UcodeRegs; | |
253 | u32 *buff = p; | |
254 | ||
255 | memset(p, 0, (sizeof(struct sxg_hw_regs)+sizeof(struct sxg_ucode_regs))); | |
256 | memcpy(buff, HwRegs, sizeof(struct sxg_hw_regs)); | |
257 | memcpy((buff+sizeof(struct sxg_hw_regs)), UcodeRegs, sizeof(struct sxg_ucode_regs)); | |
258 | } | |
259 | ||
371d7a9e MT |
260 | static int sxg_nic_get_eeprom_len(struct net_device *netdev) |
261 | { | |
262 | return (USER_VIEWABLE_EEPROM_SIZE); | |
263 | } | |
264 | ||
265 | static int sxg_nic_get_eeprom(struct net_device *netdev, | |
266 | struct ethtool_eeprom *eeprom, u8 *bytes) | |
267 | { | |
268 | struct adapter_t *adapter = netdev_priv(netdev); | |
269 | struct sw_cfg_data *data; | |
270 | unsigned long i, status; | |
271 | dma_addr_t p_addr; | |
272 | ||
273 | data = pci_alloc_consistent(adapter->pcidev, sizeof(struct sw_cfg_data), | |
274 | &p_addr); | |
275 | if(!data) { | |
276 | /* | |
277 | * We cant get even this much memory. Raise a hell | |
278 | * Get out of here | |
279 | */ | |
280 | printk(KERN_ERR"%s : Could not allocate memory for reading \ | |
eb48d1f8 | 281 | EEPROM\n", __func__); |
371d7a9e MT |
282 | return -ENOMEM; |
283 | } | |
284 | ||
285 | WRITE_REG(adapter->UcodeRegs[0].ConfigStat, SXG_CFG_TIMEOUT, TRUE); | |
286 | WRITE_REG64(adapter, adapter->UcodeRegs[0].Config, p_addr, 0); | |
287 | for(i=0; i<1000; i++) { | |
288 | READ_REG(adapter->UcodeRegs[0].ConfigStat, status); | |
289 | if (status != SXG_CFG_TIMEOUT) | |
290 | break; | |
291 | mdelay(1); /* Do we really need this */ | |
292 | } | |
293 | ||
294 | memset(bytes, 0, eeprom->len); | |
295 | memcpy(bytes, data->MacAddr[0].MacAddr, sizeof(struct sxg_config_mac)); | |
296 | memcpy(bytes+6, data->AtkFru.PartNum, 6); | |
297 | memcpy(bytes+12, data->AtkFru.Revision, 2); | |
298 | memcpy(bytes+14, data->AtkFru.Serial, 14); | |
299 | ||
300 | return 0; | |
301 | } | |
302 | ||
0fc0b732 | 303 | const struct ethtool_ops sxg_nic_ethtool_ops = { |
371d7a9e MT |
304 | .get_settings = sxg_nic_get_settings, |
305 | .set_settings = sxg_nic_set_settings, | |
306 | .get_drvinfo = sxg_nic_get_drvinfo, | |
307 | .get_regs_len = sxg_nic_get_regs_len, | |
308 | .get_regs = sxg_nic_get_regs, | |
309 | .get_link = ethtool_op_get_link, | |
559990c6 | 310 | // .get_wol = sxg_nic_get_wol, |
371d7a9e MT |
311 | .get_eeprom_len = sxg_nic_get_eeprom_len, |
312 | .get_eeprom = sxg_nic_get_eeprom, | |
371d7a9e MT |
313 | // .get_pauseparam = sxg_nic_get_pauseparam, |
314 | // .set_pauseparam = sxg_nic_set_pauseparam, | |
315 | .set_tx_csum = ethtool_op_set_tx_csum, | |
316 | .get_sg = ethtool_op_get_sg, | |
317 | .set_sg = ethtool_op_set_sg, | |
318 | // .get_tso = sxg_nic_get_tso, | |
319 | // .set_tso = sxg_nic_set_tso, | |
320 | // .self_test = sxg_nic_diag_test, | |
321 | .get_strings = sxg_nic_get_strings, | |
322 | .get_ethtool_stats = sxg_nic_get_ethtool_stats, | |
323 | .get_sset_count = sxg_nic_get_sset_count, | |
324 | .get_rx_csum = sxg_nic_get_rx_csum, | |
325 | .set_rx_csum = sxg_nic_set_rx_csum, | |
326 | // .get_coalesce = sxg_nic_get_intr_coalesce, | |
327 | // .set_coalesce = sxg_nic_set_intr_coalesce, | |
328 | }; |