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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" | |
56 | //#include "sxg.c" | |
a3915dd8 MT |
57 | #define SXG_UCODE_DBG 0 /* Turn on for debugging */ |
58 | #ifdef SXG_UCODE_DBG | |
59 | #include "saharadbgdownload.c" | |
60 | #include "saharadbgdownloadB.c" | |
61 | #else | |
62 | #include "saharadownload.c" | |
63 | #include "saharadownloadB.c" | |
64 | #endif | |
371d7a9e MT |
65 | |
66 | struct sxg_nic_stats { | |
67 | char stat_string[ETH_GSTRING_LEN]; | |
68 | int sizeof_stat; | |
69 | int stat_offset; | |
70 | }; | |
71 | ||
72 | #define SXG_NIC_STATS(m) sizeof(((struct adapter_t *)0)->m), \ | |
73 | offsetof(struct adapter_t, m) | |
74 | ||
75 | #define USER_VIEWABLE_EEPROM_SIZE 28 | |
76 | ||
77 | static struct sxg_nic_stats sxg_nic_gstrings_stats[] = { | |
78 | {"xmit_ring_0_full", SXG_NIC_STATS(Stats.XmtZeroFull)}, | |
79 | ||
80 | /* May be will need in future */ | |
81 | /* {"dumb_xmit_broadcast_packets", SXG_NIC_STATS(Stats.DumbXmtBcastPkts)}, | |
82 | {"dumb_xmit_broadcast_bytes", SXG_NIC_STATS(Stats.DumbXmtBcastBytes)}, | |
83 | {"dumb_xmit_unicast_packets", SXG_NIC_STATS(Stats.DumbXmtUcastPkts)}, | |
84 | {"dumb_xmit_unicast_bytes", SXG_NIC_STATS(Stats.DumbXmtUcastBytes)}, | |
85 | */ | |
86 | {"xmit_queue_length", SXG_NIC_STATS(Stats.XmtQLen)}, | |
87 | {"memory_allocation_failure", SXG_NIC_STATS(Stats.NoMem)}, | |
88 | {"Interrupts", SXG_NIC_STATS(Stats.NumInts)}, | |
89 | {"false_interrupts", SXG_NIC_STATS(Stats.FalseInts)}, | |
90 | {"processed_data_queue_full", SXG_NIC_STATS(Stats.PdqFull)}, | |
91 | {"event_ring_full", SXG_NIC_STATS(Stats.EventRingFull)}, | |
92 | {"transport_checksum_error", SXG_NIC_STATS(Stats.TransportCsum)}, | |
93 | {"transport_underflow_error", SXG_NIC_STATS(Stats.TransportUflow)}, | |
94 | {"transport_header_length_error", SXG_NIC_STATS(Stats.TransportHdrLen)}, | |
95 | {"network_checksum_error", SXG_NIC_STATS(Stats.NetworkCsum)}, | |
96 | {"network_underflow_error", SXG_NIC_STATS(Stats.NetworkUflow)}, | |
97 | {"network_header_length_error", SXG_NIC_STATS(Stats.NetworkHdrLen)}, | |
98 | {"receive_parity_error", SXG_NIC_STATS(Stats.Parity)}, | |
99 | {"link_parity_error", SXG_NIC_STATS(Stats.LinkParity)}, | |
100 | {"link/data early_error", SXG_NIC_STATS(Stats.LinkEarly)}, | |
101 | {"buffer_overflow_error", SXG_NIC_STATS(Stats.LinkBufOflow)}, | |
102 | {"link_code_error", SXG_NIC_STATS(Stats.LinkCode)}, | |
103 | {"dribble nibble", SXG_NIC_STATS(Stats.LinkDribble)}, | |
104 | {"CRC_error", SXG_NIC_STATS(Stats.LinkCrc)}, | |
105 | {"link_overflow_error", SXG_NIC_STATS(Stats.LinkOflow)}, | |
106 | {"link_underflow_error", SXG_NIC_STATS(Stats.LinkUflow)}, | |
107 | ||
108 | /* May be need in future */ | |
109 | /* {"dumb_rcv_broadcast_packets", SXG_NIC_STATS(Stats.DumbRcvBcastPkts)}, | |
110 | {"dumb_rcv_broadcast_bytes", SXG_NIC_STATS(Stats.DumbRcvBcastBytes)}, | |
111 | {"dumb_rcv_multicast_packets", SXG_NIC_STATS(Stats.DumbRcvMcastPkts)}, | |
112 | {"dumb_rcv_multicast_bytes", SXG_NIC_STATS(Stats.DumbRcvMcastBytes)}, | |
113 | {"dumb_rcv_unicast_packets", SXG_NIC_STATS(Stats.DumbRcvUcastPkts)}, | |
114 | {"dumb_rcv_unicast_bytes", SXG_NIC_STATS(Stats.DumbRcvUcastBytes)}, | |
115 | */ | |
116 | {"no_sgl_buffer", SXG_NIC_STATS(Stats.NoSglBuf)}, | |
117 | }; | |
118 | ||
119 | #define SXG_NIC_STATS_LEN ARRAY_SIZE(sxg_nic_gstrings_stats) | |
120 | ||
121 | static inline void sxg_reg32_write(void __iomem *reg, u32 value, bool flush) | |
122 | { | |
123 | writel(value, reg); | |
124 | if (flush) | |
125 | mb(); | |
126 | } | |
127 | ||
128 | static inline void sxg_reg64_write(struct adapter_t *adapter, void __iomem *reg, | |
129 | u64 value, u32 cpu) | |
130 | { | |
131 | u32 value_high = (u32) (value >> 32); | |
132 | u32 value_low = (u32) (value & 0x00000000FFFFFFFF); | |
133 | unsigned long flags; | |
134 | ||
135 | spin_lock_irqsave(&adapter->Bit64RegLock, flags); | |
136 | writel(value_high, (void __iomem *)(&adapter->UcodeRegs[cpu].Upper)); | |
137 | writel(value_low, reg); | |
138 | spin_unlock_irqrestore(&adapter->Bit64RegLock, flags); | |
139 | } | |
140 | ||
141 | static void | |
142 | sxg_nic_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *drvinfo) | |
143 | { | |
144 | struct adapter_t *adapter = netdev_priv(dev); | |
145 | strncpy(drvinfo->driver, sxg_driver_name, 32); | |
146 | strncpy(drvinfo->version, SXG_DRV_VERSION, 32); | |
d9d578bf | 147 | // strncpy(drvinfo->fw_version, SAHARA_UCODE_VERS_STRING, 32); |
371d7a9e MT |
148 | strncpy(drvinfo->bus_info, pci_name(adapter->pcidev), 32); |
149 | /* TODO : Read the major and minor number of firmware. Is this | |
150 | * from the FLASH/EEPROM or download file ? | |
151 | */ | |
152 | /* LINSYS : Check if this is correct or if not find the right value | |
153 | * Also check what is the right EEPROM length : EEPROM_SIZE_XFMR or EEPROM_SIZE_NO_XFMR | |
154 | */ | |
155 | } | |
156 | ||
157 | static int sxg_nic_set_settings(struct net_device *netdev, | |
158 | struct ethtool_cmd *ecmd) | |
159 | { | |
160 | /* No settings are applicable as we support only 10Gb/FIBRE_media */ | |
161 | return -EOPNOTSUPP; | |
162 | } | |
163 | ||
164 | static int | |
165 | sxg_nic_get_strings(struct net_device *netdev, u32 stringset, u8 * data) | |
166 | { | |
167 | int index; | |
168 | ||
169 | switch(stringset) { | |
170 | case ETH_SS_TEST: | |
171 | return -EOPNOTSUPP; | |
172 | break; | |
173 | case ETH_SS_STATS: | |
174 | for (index = 0; index < SXG_NIC_STATS_LEN; index++) { | |
175 | memcpy(data + index * ETH_GSTRING_LEN, | |
176 | sxg_nic_gstrings_stats[index].stat_string, | |
177 | ETH_GSTRING_LEN); | |
178 | } | |
179 | break; | |
180 | } | |
181 | } | |
182 | ||
183 | static void | |
184 | sxg_nic_get_ethtool_stats(struct net_device *netdev, | |
185 | struct ethtool_stats *stats, u64 * data) | |
186 | { | |
187 | struct adapter_t *adapter = netdev_priv(netdev); | |
188 | int index; | |
189 | for (index = 0; index < SXG_NIC_STATS_LEN; index++) { | |
190 | char *p = (char *)adapter + | |
191 | sxg_nic_gstrings_stats[index].stat_offset; | |
192 | data[index] = (sxg_nic_gstrings_stats[index].sizeof_stat == | |
193 | sizeof(u64)) ? *(u64 *) p : *(u32 *) p; | |
194 | } | |
195 | } | |
196 | ||
197 | static int sxg_nic_get_sset_count(struct net_device *netdev, int sset) | |
198 | { | |
199 | switch (sset) { | |
200 | case ETH_SS_STATS: | |
201 | return SXG_NIC_STATS_LEN; | |
202 | default: | |
203 | return -EOPNOTSUPP; | |
204 | } | |
205 | } | |
206 | ||
207 | static int sxg_nic_get_settings(struct net_device *netdev, | |
208 | struct ethtool_cmd *ecmd) | |
209 | { | |
210 | struct adapter_t *adapter = netdev_priv(netdev); | |
211 | ||
212 | ecmd->supported = SUPPORTED_10000baseT_Full; | |
213 | ecmd->autoneg = AUTONEG_ENABLE; //VSS check This | |
214 | ecmd->transceiver = XCVR_EXTERNAL; //VSS check This | |
215 | ||
216 | /* For Fibre Channel */ | |
217 | ecmd->supported |= SUPPORTED_FIBRE; | |
218 | ecmd->advertising = (ADVERTISED_10000baseT_Full | | |
219 | ADVERTISED_FIBRE); | |
220 | ecmd->port = PORT_FIBRE; | |
221 | ||
222 | ||
223 | /* Link Speed */ | |
224 | if(adapter->LinkState & SXG_LINK_UP) { | |
225 | ecmd->speed = SPEED_10000; //adapter->LinkSpeed; | |
226 | ecmd->duplex = DUPLEX_FULL; | |
227 | } | |
228 | return 0; | |
229 | } | |
230 | ||
231 | static int sxg_nic_get_rx_csum(struct net_device *netdev) | |
232 | { | |
233 | struct adapter_t *adapter = netdev_priv(netdev); | |
234 | return ((adapter->flags & SXG_RCV_IP_CSUM_ENABLED) || | |
235 | (adapter->flags & SXG_RCV_TCP_CSUM_ENABLED)); | |
236 | } | |
237 | ||
238 | static int sxg_nic_set_rx_csum(struct net_device *netdev, u32 data) | |
239 | { | |
240 | struct adapter_t *adapter = netdev_priv(netdev); | |
241 | if (data) | |
242 | adapter->flags |= SXG_RCV_IP_CSUM_ENABLED; | |
243 | else | |
244 | adapter->flags &= ~SXG_RCV_IP_CSUM_ENABLED; | |
245 | ||
246 | /* Reset the card here (call the reset functions .. currently unavailable)*/ | |
247 | ||
248 | return 0; | |
249 | } | |
250 | ||
251 | static int sxg_nic_get_regs_len(struct net_device *dev) | |
252 | { | |
253 | return (SXG_HWREG_MEMSIZE + SXG_UCODEREG_MEMSIZE); | |
254 | } | |
255 | ||
256 | static void sxg_nic_get_regs(struct net_device *netdev, | |
257 | struct ethtool_regs *regs, void *p) | |
258 | { | |
259 | struct adapter_t *adapter = netdev_priv(netdev); | |
260 | struct sxg_hw_regs *HwRegs = adapter->HwRegs; | |
261 | struct sxg_ucode_regs *UcodeRegs = adapter->UcodeRegs; | |
262 | u32 *buff = p; | |
263 | ||
264 | memset(p, 0, (sizeof(struct sxg_hw_regs)+sizeof(struct sxg_ucode_regs))); | |
265 | memcpy(buff, HwRegs, sizeof(struct sxg_hw_regs)); | |
266 | memcpy((buff+sizeof(struct sxg_hw_regs)), UcodeRegs, sizeof(struct sxg_ucode_regs)); | |
267 | } | |
268 | ||
269 | static int sxg_nic_get_wol(struct net_device *netdev, | |
270 | struct ethtool_wolinfo *wol) | |
271 | { | |
272 | /* We dont support wake-on-lan */ | |
273 | return -EOPNOTSUPP; | |
274 | } | |
275 | ||
276 | static int sxg_nic_get_eeprom_len(struct net_device *netdev) | |
277 | { | |
278 | return (USER_VIEWABLE_EEPROM_SIZE); | |
279 | } | |
280 | ||
281 | static int sxg_nic_get_eeprom(struct net_device *netdev, | |
282 | struct ethtool_eeprom *eeprom, u8 *bytes) | |
283 | { | |
284 | struct adapter_t *adapter = netdev_priv(netdev); | |
285 | struct sw_cfg_data *data; | |
286 | unsigned long i, status; | |
287 | dma_addr_t p_addr; | |
288 | ||
289 | data = pci_alloc_consistent(adapter->pcidev, sizeof(struct sw_cfg_data), | |
290 | &p_addr); | |
291 | if(!data) { | |
292 | /* | |
293 | * We cant get even this much memory. Raise a hell | |
294 | * Get out of here | |
295 | */ | |
296 | printk(KERN_ERR"%s : Could not allocate memory for reading \ | |
297 | EEPROM\n", __FUNCTION__); | |
298 | return -ENOMEM; | |
299 | } | |
300 | ||
301 | WRITE_REG(adapter->UcodeRegs[0].ConfigStat, SXG_CFG_TIMEOUT, TRUE); | |
302 | WRITE_REG64(adapter, adapter->UcodeRegs[0].Config, p_addr, 0); | |
303 | for(i=0; i<1000; i++) { | |
304 | READ_REG(adapter->UcodeRegs[0].ConfigStat, status); | |
305 | if (status != SXG_CFG_TIMEOUT) | |
306 | break; | |
307 | mdelay(1); /* Do we really need this */ | |
308 | } | |
309 | ||
310 | memset(bytes, 0, eeprom->len); | |
311 | memcpy(bytes, data->MacAddr[0].MacAddr, sizeof(struct sxg_config_mac)); | |
312 | memcpy(bytes+6, data->AtkFru.PartNum, 6); | |
313 | memcpy(bytes+12, data->AtkFru.Revision, 2); | |
314 | memcpy(bytes+14, data->AtkFru.Serial, 14); | |
315 | ||
316 | return 0; | |
317 | } | |
318 | ||
319 | struct ethtool_ops sxg_nic_ethtool_ops = { | |
320 | .get_settings = sxg_nic_get_settings, | |
321 | .set_settings = sxg_nic_set_settings, | |
322 | .get_drvinfo = sxg_nic_get_drvinfo, | |
323 | .get_regs_len = sxg_nic_get_regs_len, | |
324 | .get_regs = sxg_nic_get_regs, | |
325 | .get_link = ethtool_op_get_link, | |
326 | .get_wol = sxg_nic_get_wol, | |
327 | .get_eeprom_len = sxg_nic_get_eeprom_len, | |
328 | .get_eeprom = sxg_nic_get_eeprom, | |
329 | // .get_ringparam = sxg_nic_get_ringparam, | |
330 | // .get_pauseparam = sxg_nic_get_pauseparam, | |
331 | // .set_pauseparam = sxg_nic_set_pauseparam, | |
332 | .set_tx_csum = ethtool_op_set_tx_csum, | |
333 | .get_sg = ethtool_op_get_sg, | |
334 | .set_sg = ethtool_op_set_sg, | |
335 | // .get_tso = sxg_nic_get_tso, | |
336 | // .set_tso = sxg_nic_set_tso, | |
337 | // .self_test = sxg_nic_diag_test, | |
338 | .get_strings = sxg_nic_get_strings, | |
339 | .get_ethtool_stats = sxg_nic_get_ethtool_stats, | |
340 | .get_sset_count = sxg_nic_get_sset_count, | |
341 | .get_rx_csum = sxg_nic_get_rx_csum, | |
342 | .set_rx_csum = sxg_nic_set_rx_csum, | |
343 | // .get_coalesce = sxg_nic_get_intr_coalesce, | |
344 | // .set_coalesce = sxg_nic_set_intr_coalesce, | |
345 | }; |