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33 **************************************************************************/
36 * FILENAME: sxg_ethtool.c
38 * The ethtool support for SXG driver for Alacritech's 10Gbe products.
40 * NOTE: This is the standard, non-accelerated version of Alacritech's
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>
57 #include "saharadbgdownload.h"
59 struct sxg_nic_stats {
60 char stat_string[ETH_GSTRING_LEN];
65 #define SXG_NIC_STATS(m) sizeof(((struct adapter_t *)0)->m), \
66 offsetof(struct adapter_t, m)
68 #define USER_VIEWABLE_EEPROM_SIZE 28
70 static struct sxg_nic_stats sxg_nic_gstrings_stats[] = {
71 {"xmit_ring_0_full", SXG_NIC_STATS(Stats.XmtZeroFull)},
73 /* May be will need in future */
74 /* {"dumb_xmit_broadcast_packets", SXG_NIC_STATS(Stats.DumbXmtBcastPkts)},
75 {"dumb_xmit_broadcast_bytes", SXG_NIC_STATS(Stats.DumbXmtBcastBytes)},
76 {"dumb_xmit_unicast_packets", SXG_NIC_STATS(Stats.DumbXmtUcastPkts)},
77 {"dumb_xmit_unicast_bytes", SXG_NIC_STATS(Stats.DumbXmtUcastBytes)},
79 {"xmit_queue_length", SXG_NIC_STATS(Stats.XmtQLen)},
80 {"memory_allocation_failure", SXG_NIC_STATS(Stats.NoMem)},
81 {"Interrupts", SXG_NIC_STATS(Stats.NumInts)},
82 {"false_interrupts", SXG_NIC_STATS(Stats.FalseInts)},
83 {"processed_data_queue_full", SXG_NIC_STATS(Stats.PdqFull)},
84 {"event_ring_full", SXG_NIC_STATS(Stats.EventRingFull)},
85 {"transport_checksum_error", SXG_NIC_STATS(Stats.TransportCsum)},
86 {"transport_underflow_error", SXG_NIC_STATS(Stats.TransportUflow)},
87 {"transport_header_length_error", SXG_NIC_STATS(Stats.TransportHdrLen)},
88 {"network_checksum_error", SXG_NIC_STATS(Stats.NetworkCsum)},
89 {"network_underflow_error", SXG_NIC_STATS(Stats.NetworkUflow)},
90 {"network_header_length_error", SXG_NIC_STATS(Stats.NetworkHdrLen)},
91 {"receive_parity_error", SXG_NIC_STATS(Stats.Parity)},
92 {"link_parity_error", SXG_NIC_STATS(Stats.LinkParity)},
93 {"link/data early_error", SXG_NIC_STATS(Stats.LinkEarly)},
94 {"buffer_overflow_error", SXG_NIC_STATS(Stats.LinkBufOflow)},
95 {"link_code_error", SXG_NIC_STATS(Stats.LinkCode)},
96 {"dribble nibble", SXG_NIC_STATS(Stats.LinkDribble)},
97 {"CRC_error", SXG_NIC_STATS(Stats.LinkCrc)},
98 {"link_overflow_error", SXG_NIC_STATS(Stats.LinkOflow)},
99 {"link_underflow_error", SXG_NIC_STATS(Stats.LinkUflow)},
101 /* May be need in future */
102 /* {"dumb_rcv_broadcast_packets", SXG_NIC_STATS(Stats.DumbRcvBcastPkts)},
103 {"dumb_rcv_broadcast_bytes", SXG_NIC_STATS(Stats.DumbRcvBcastBytes)},
104 {"dumb_rcv_multicast_packets", SXG_NIC_STATS(Stats.DumbRcvMcastPkts)},
105 {"dumb_rcv_multicast_bytes", SXG_NIC_STATS(Stats.DumbRcvMcastBytes)},
106 {"dumb_rcv_unicast_packets", SXG_NIC_STATS(Stats.DumbRcvUcastPkts)},
107 {"dumb_rcv_unicast_bytes", SXG_NIC_STATS(Stats.DumbRcvUcastBytes)},
109 {"no_sgl_buffer", SXG_NIC_STATS(Stats.NoSglBuf)},
112 #define SXG_NIC_STATS_LEN ARRAY_SIZE(sxg_nic_gstrings_stats)
114 static inline void sxg_reg32_write(void __iomem *reg, u32 value, bool flush)
121 static inline void sxg_reg64_write(struct adapter_t *adapter, void __iomem *reg,
124 u32 value_high = (u32) (value >> 32);
125 u32 value_low = (u32) (value & 0x00000000FFFFFFFF);
128 spin_lock_irqsave(&adapter->Bit64RegLock, flags);
129 writel(value_high, (void __iomem *)(&adapter->UcodeRegs[cpu].Upper));
130 writel(value_low, reg);
131 spin_unlock_irqrestore(&adapter->Bit64RegLock, flags);
135 sxg_nic_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *drvinfo)
137 struct adapter_t *adapter = netdev_priv(dev);
138 strncpy(drvinfo->driver, sxg_driver_name, 32);
139 strncpy(drvinfo->version, SXG_DRV_VERSION, 32);
140 strncpy(drvinfo->fw_version, SAHARA_UCODE_VERS_STRING, 32);
141 strncpy(drvinfo->bus_info, pci_name(adapter->pcidev), 32);
142 /* TODO : Read the major and minor number of firmware. Is this
143 * from the FLASH/EEPROM or download file ?
145 /* LINSYS : Check if this is correct or if not find the right value
146 * Also check what is the right EEPROM length : EEPROM_SIZE_XFMR or EEPROM_SIZE_NO_XFMR
150 static int sxg_nic_set_settings(struct net_device *netdev,
151 struct ethtool_cmd *ecmd)
153 /* No settings are applicable as we support only 10Gb/FIBRE_media */
158 sxg_nic_get_strings(struct net_device *netdev, u32 stringset, u8 * data)
167 for (index = 0; index < SXG_NIC_STATS_LEN; index++) {
168 memcpy(data + index * ETH_GSTRING_LEN,
169 sxg_nic_gstrings_stats[index].stat_string,
177 sxg_nic_get_ethtool_stats(struct net_device *netdev,
178 struct ethtool_stats *stats, u64 * data)
180 struct adapter_t *adapter = netdev_priv(netdev);
182 for (index = 0; index < SXG_NIC_STATS_LEN; index++) {
183 char *p = (char *)adapter +
184 sxg_nic_gstrings_stats[index].stat_offset;
185 data[index] = (sxg_nic_gstrings_stats[index].sizeof_stat ==
186 sizeof(u64)) ? *(u64 *) p : *(u32 *) p;
190 static int sxg_nic_get_sset_count(struct net_device *netdev, int sset)
194 return SXG_NIC_STATS_LEN;
200 static int sxg_nic_get_settings(struct net_device *netdev,
201 struct ethtool_cmd *ecmd)
203 struct adapter_t *adapter = netdev_priv(netdev);
205 ecmd->supported = SUPPORTED_10000baseT_Full;
206 ecmd->autoneg = AUTONEG_ENABLE; //VSS check This
207 ecmd->transceiver = XCVR_EXTERNAL; //VSS check This
209 /* For Fibre Channel */
210 ecmd->supported |= SUPPORTED_FIBRE;
211 ecmd->advertising = (ADVERTISED_10000baseT_Full |
213 ecmd->port = PORT_FIBRE;
217 if(adapter->LinkState & SXG_LINK_UP) {
218 ecmd->speed = SPEED_10000; //adapter->LinkSpeed;
219 ecmd->duplex = DUPLEX_FULL;
224 static int sxg_nic_get_rx_csum(struct net_device *netdev)
226 struct adapter_t *adapter = netdev_priv(netdev);
227 return ((adapter->flags & SXG_RCV_IP_CSUM_ENABLED) ||
228 (adapter->flags & SXG_RCV_TCP_CSUM_ENABLED));
231 static int sxg_nic_set_rx_csum(struct net_device *netdev, u32 data)
233 struct adapter_t *adapter = netdev_priv(netdev);
235 adapter->flags |= SXG_RCV_IP_CSUM_ENABLED;
237 adapter->flags &= ~SXG_RCV_IP_CSUM_ENABLED;
239 /* Reset the card here (call the reset functions .. currently unavailable)*/
244 static int sxg_nic_get_regs_len(struct net_device *dev)
246 return (SXG_HWREG_MEMSIZE + SXG_UCODEREG_MEMSIZE);
249 static void sxg_nic_get_regs(struct net_device *netdev,
250 struct ethtool_regs *regs, void *p)
252 struct adapter_t *adapter = netdev_priv(netdev);
253 struct sxg_hw_regs *HwRegs = adapter->HwRegs;
254 struct sxg_ucode_regs *UcodeRegs = adapter->UcodeRegs;
257 memset(p, 0, (sizeof(struct sxg_hw_regs)+sizeof(struct sxg_ucode_regs)));
258 memcpy(buff, HwRegs, sizeof(struct sxg_hw_regs));
259 memcpy((buff+sizeof(struct sxg_hw_regs)), UcodeRegs, sizeof(struct sxg_ucode_regs));
262 static int sxg_nic_get_wol(struct net_device *netdev,
263 struct ethtool_wolinfo *wol)
265 /* We dont support wake-on-lan */
269 static int sxg_nic_get_eeprom_len(struct net_device *netdev)
271 return (USER_VIEWABLE_EEPROM_SIZE);
274 static int sxg_nic_get_eeprom(struct net_device *netdev,
275 struct ethtool_eeprom *eeprom, u8 *bytes)
277 struct adapter_t *adapter = netdev_priv(netdev);
278 struct sw_cfg_data *data;
279 unsigned long i, status;
282 data = pci_alloc_consistent(adapter->pcidev, sizeof(struct sw_cfg_data),
286 * We cant get even this much memory. Raise a hell
289 printk(KERN_ERR"%s : Could not allocate memory for reading \
290 EEPROM\n", __FUNCTION__);
294 WRITE_REG(adapter->UcodeRegs[0].ConfigStat, SXG_CFG_TIMEOUT, TRUE);
295 WRITE_REG64(adapter, adapter->UcodeRegs[0].Config, p_addr, 0);
296 for(i=0; i<1000; i++) {
297 READ_REG(adapter->UcodeRegs[0].ConfigStat, status);
298 if (status != SXG_CFG_TIMEOUT)
300 mdelay(1); /* Do we really need this */
303 memset(bytes, 0, eeprom->len);
304 memcpy(bytes, data->MacAddr[0].MacAddr, sizeof(struct sxg_config_mac));
305 memcpy(bytes+6, data->AtkFru.PartNum, 6);
306 memcpy(bytes+12, data->AtkFru.Revision, 2);
307 memcpy(bytes+14, data->AtkFru.Serial, 14);
312 struct ethtool_ops sxg_nic_ethtool_ops = {
313 .get_settings = sxg_nic_get_settings,
314 .set_settings = sxg_nic_set_settings,
315 .get_drvinfo = sxg_nic_get_drvinfo,
316 .get_regs_len = sxg_nic_get_regs_len,
317 .get_regs = sxg_nic_get_regs,
318 .get_link = ethtool_op_get_link,
319 .get_wol = sxg_nic_get_wol,
320 .get_eeprom_len = sxg_nic_get_eeprom_len,
321 .get_eeprom = sxg_nic_get_eeprom,
322 // .get_ringparam = sxg_nic_get_ringparam,
323 // .get_pauseparam = sxg_nic_get_pauseparam,
324 // .set_pauseparam = sxg_nic_set_pauseparam,
325 .set_tx_csum = ethtool_op_set_tx_csum,
326 .get_sg = ethtool_op_get_sg,
327 .set_sg = ethtool_op_set_sg,
328 // .get_tso = sxg_nic_get_tso,
329 // .set_tso = sxg_nic_set_tso,
330 // .self_test = sxg_nic_diag_test,
331 .get_strings = sxg_nic_get_strings,
332 .get_ethtool_stats = sxg_nic_get_ethtool_stats,
333 .get_sset_count = sxg_nic_get_sset_count,
334 .get_rx_csum = sxg_nic_get_rx_csum,
335 .set_rx_csum = sxg_nic_set_rx_csum,
336 // .get_coalesce = sxg_nic_get_intr_coalesce,
337 // .set_coalesce = sxg_nic_set_intr_coalesce,