--- /dev/null
+/* Encapsulate basic setting changes and retrieval on Hermes hardware
+ *
+ * See copyright notice in main.c
+ */
+#include <linux/kernel.h>
+#include <linux/device.h>
+#include <linux/if_arp.h>
+#include <linux/ieee80211.h>
+#include <linux/wireless.h>
+#include <net/cfg80211.h>
+#include "hermes.h"
+#include "hermes_rid.h"
+#include "orinoco.h"
+
+#include "hw.h"
+
+#define SYMBOL_MAX_VER_LEN (14)
+
+/* Symbol firmware has a bug allocating buffers larger than this */
+#define TX_NICBUF_SIZE_BUG 1585
+
+/********************************************************************/
+/* Data tables */
+/********************************************************************/
+
+/* This tables gives the actual meanings of the bitrate IDs returned
+ * by the firmware. */
+static const struct {
+ int bitrate; /* in 100s of kilobits */
+ int automatic;
+ u16 agere_txratectrl;
+ u16 intersil_txratectrl;
+} bitrate_table[] = {
+ {110, 1, 3, 15}, /* Entry 0 is the default */
+ {10, 0, 1, 1},
+ {10, 1, 1, 1},
+ {20, 0, 2, 2},
+ {20, 1, 6, 3},
+ {55, 0, 4, 4},
+ {55, 1, 7, 7},
+ {110, 0, 5, 8},
+};
+#define BITRATE_TABLE_SIZE ARRAY_SIZE(bitrate_table)
+
+/* Firmware version encoding */
+struct comp_id {
+ u16 id, variant, major, minor;
+} __packed;
+
+static inline enum fwtype determine_firmware_type(struct comp_id *nic_id)
+{
+ if (nic_id->id < 0x8000)
+ return FIRMWARE_TYPE_AGERE;
+ else if (nic_id->id == 0x8000 && nic_id->major == 0)
+ return FIRMWARE_TYPE_SYMBOL;
+ else
+ return FIRMWARE_TYPE_INTERSIL;
+}
+
+/* Set priv->firmware type, determine firmware properties
+ * This function can be called before we have registerred with netdev,
+ * so all errors go out with dev_* rather than printk
+ *
+ * If non-NULL stores a firmware description in fw_name.
+ * If non-NULL stores a HW version in hw_ver
+ *
+ * These are output via generic cfg80211 ethtool support.
+ */
+int determine_fw_capabilities(struct orinoco_private *priv,
+ char *fw_name, size_t fw_name_len,
+ u32 *hw_ver)
+{
+ struct device *dev = priv->dev;
+ struct hermes *hw = &priv->hw;
+ int err;
+ struct comp_id nic_id, sta_id;
+ unsigned int firmver;
+ char tmp[SYMBOL_MAX_VER_LEN + 1] __attribute__((aligned(2)));
+
+ /* Get the hardware version */
+ err = HERMES_READ_RECORD(hw, USER_BAP, HERMES_RID_NICID, &nic_id);
+ if (err) {
+ dev_err(dev, "Cannot read hardware identity: error %d\n",
+ err);
+ return err;
+ }
+
+ le16_to_cpus(&nic_id.id);
+ le16_to_cpus(&nic_id.variant);
+ le16_to_cpus(&nic_id.major);
+ le16_to_cpus(&nic_id.minor);
+ dev_info(dev, "Hardware identity %04x:%04x:%04x:%04x\n",
+ nic_id.id, nic_id.variant, nic_id.major, nic_id.minor);
+
+ if (hw_ver)
+ *hw_ver = (((nic_id.id & 0xff) << 24) |
+ ((nic_id.variant & 0xff) << 16) |
+ ((nic_id.major & 0xff) << 8) |
+ (nic_id.minor & 0xff));
+
+ priv->firmware_type = determine_firmware_type(&nic_id);
+
+ /* Get the firmware version */
+ err = HERMES_READ_RECORD(hw, USER_BAP, HERMES_RID_STAID, &sta_id);
+ if (err) {
+ dev_err(dev, "Cannot read station identity: error %d\n",
+ err);
+ return err;
+ }
+
+ le16_to_cpus(&sta_id.id);
+ le16_to_cpus(&sta_id.variant);
+ le16_to_cpus(&sta_id.major);
+ le16_to_cpus(&sta_id.minor);
+ dev_info(dev, "Station identity %04x:%04x:%04x:%04x\n",
+ sta_id.id, sta_id.variant, sta_id.major, sta_id.minor);
+
+ switch (sta_id.id) {
+ case 0x15:
+ dev_err(dev, "Primary firmware is active\n");
+ return -ENODEV;
+ case 0x14b:
+ dev_err(dev, "Tertiary firmware is active\n");
+ return -ENODEV;
+ case 0x1f: /* Intersil, Agere, Symbol Spectrum24 */
+ case 0x21: /* Symbol Spectrum24 Trilogy */
+ break;
+ default:
+ dev_notice(dev, "Unknown station ID, please report\n");
+ break;
+ }
+
+ /* Default capabilities */
+ priv->has_sensitivity = 1;
+ priv->has_mwo = 0;
+ priv->has_preamble = 0;
+ priv->has_port3 = 1;
+ priv->has_ibss = 1;
+ priv->has_wep = 0;
+ priv->has_big_wep = 0;
+ priv->has_alt_txcntl = 0;
+ priv->has_ext_scan = 0;
+ priv->has_wpa = 0;
+ priv->do_fw_download = 0;
+
+ /* Determine capabilities from the firmware version */
+ switch (priv->firmware_type) {
+ case FIRMWARE_TYPE_AGERE:
+ /* Lucent Wavelan IEEE, Lucent Orinoco, Cabletron RoamAbout,
+ ELSA, Melco, HP, IBM, Dell 1150, Compaq 110/210 */
+ if (fw_name)
+ snprintf(fw_name, fw_name_len, "Lucent/Agere %d.%02d",
+ sta_id.major, sta_id.minor);
+
+ firmver = ((unsigned long)sta_id.major << 16) | sta_id.minor;
+
+ priv->has_ibss = (firmver >= 0x60006);
+ priv->has_wep = (firmver >= 0x40020);
+ priv->has_big_wep = 1; /* FIXME: this is wrong - how do we tell
+ Gold cards from the others? */
+ priv->has_mwo = (firmver >= 0x60000);
+ priv->has_pm = (firmver >= 0x40020); /* Don't work in 7.52 ? */
+ priv->ibss_port = 1;
+ priv->has_hostscan = (firmver >= 0x8000a);
+ priv->do_fw_download = 1;
+ priv->broken_monitor = (firmver >= 0x80000);
+ priv->has_alt_txcntl = (firmver >= 0x90000); /* All 9.x ? */
+ priv->has_ext_scan = (firmver >= 0x90000); /* All 9.x ? */
+ priv->has_wpa = (firmver >= 0x9002a);
+ /* Tested with Agere firmware :
+ * 1.16 ; 4.08 ; 4.52 ; 6.04 ; 6.16 ; 7.28 => Jean II
+ * Tested CableTron firmware : 4.32 => Anton */
+ break;
+ case FIRMWARE_TYPE_SYMBOL:
+ /* Symbol , 3Com AirConnect, Intel, Ericsson WLAN */
+ /* Intel MAC : 00:02:B3:* */
+ /* 3Com MAC : 00:50:DA:* */
+ memset(tmp, 0, sizeof(tmp));
+ /* Get the Symbol firmware version */
+ err = hw->ops->read_ltv(hw, USER_BAP,
+ HERMES_RID_SECONDARYVERSION_SYMBOL,
+ SYMBOL_MAX_VER_LEN, NULL, &tmp);
+ if (err) {
+ dev_warn(dev, "Error %d reading Symbol firmware info. "
+ "Wildly guessing capabilities...\n", err);
+ firmver = 0;
+ tmp[0] = '\0';
+ } else {
+ /* The firmware revision is a string, the format is
+ * something like : "V2.20-01".
+ * Quick and dirty parsing... - Jean II
+ */
+ firmver = ((tmp[1] - '0') << 16)
+ | ((tmp[3] - '0') << 12)
+ | ((tmp[4] - '0') << 8)
+ | ((tmp[6] - '0') << 4)
+ | (tmp[7] - '0');
+
+ tmp[SYMBOL_MAX_VER_LEN] = '\0';
+ }
+
+ if (fw_name)
+ snprintf(fw_name, fw_name_len, "Symbol %s", tmp);
+
+ priv->has_ibss = (firmver >= 0x20000);
+ priv->has_wep = (firmver >= 0x15012);
+ priv->has_big_wep = (firmver >= 0x20000);
+ priv->has_pm = (firmver >= 0x20000 && firmver < 0x22000) ||
+ (firmver >= 0x29000 && firmver < 0x30000) ||
+ firmver >= 0x31000;
+ priv->has_preamble = (firmver >= 0x20000);
+ priv->ibss_port = 4;
+
+ /* Symbol firmware is found on various cards, but
+ * there has been no attempt to check firmware
+ * download on non-spectrum_cs based cards.
+ *
+ * Given that the Agere firmware download works
+ * differently, we should avoid doing a firmware
+ * download with the Symbol algorithm on non-spectrum
+ * cards.
+ *
+ * For now we can identify a spectrum_cs based card
+ * because it has a firmware reset function.
+ */
+ priv->do_fw_download = (priv->stop_fw != NULL);
+
+ priv->broken_disableport = (firmver == 0x25013) ||
+ (firmver >= 0x30000 && firmver <= 0x31000);
+ priv->has_hostscan = (firmver >= 0x31001) ||
+ (firmver >= 0x29057 && firmver < 0x30000);
+ /* Tested with Intel firmware : 0x20015 => Jean II */
+ /* Tested with 3Com firmware : 0x15012 & 0x22001 => Jean II */
+ break;
+ case FIRMWARE_TYPE_INTERSIL:
+ /* D-Link, Linksys, Adtron, ZoomAir, and many others...
+ * Samsung, Compaq 100/200 and Proxim are slightly
+ * different and less well tested */
+ /* D-Link MAC : 00:40:05:* */
+ /* Addtron MAC : 00:90:D1:* */
+ if (fw_name)
+ snprintf(fw_name, fw_name_len, "Intersil %d.%d.%d",
+ sta_id.major, sta_id.minor, sta_id.variant);
+
+ firmver = ((unsigned long)sta_id.major << 16) |
+ ((unsigned long)sta_id.minor << 8) | sta_id.variant;
+
+ priv->has_ibss = (firmver >= 0x000700); /* FIXME */
+ priv->has_big_wep = priv->has_wep = (firmver >= 0x000800);
+ priv->has_pm = (firmver >= 0x000700);
+ priv->has_hostscan = (firmver >= 0x010301);
+
+ if (firmver >= 0x000800)
+ priv->ibss_port = 0;
+ else {
+ dev_notice(dev, "Intersil firmware earlier than v0.8.x"
+ " - several features not supported\n");
+ priv->ibss_port = 1;
+ }
+ break;
+ }
+ if (fw_name)
+ dev_info(dev, "Firmware determined as %s\n", fw_name);
+
+#ifndef CONFIG_HERMES_PRISM
+ if (priv->firmware_type == FIRMWARE_TYPE_INTERSIL) {
+ dev_err(dev, "Support for Prism chipset is not enabled\n");
+ return -ENODEV;
+ }
+#endif
+
+ return 0;
+}
+
+/* Read settings from EEPROM into our private structure.
+ * MAC address gets dropped into callers buffer
+ * Can be called before netdev registration.
+ */
+int orinoco_hw_read_card_settings(struct orinoco_private *priv, u8 *dev_addr)
+{
+ struct device *dev = priv->dev;
+ struct hermes_idstring nickbuf;
+ struct hermes *hw = &priv->hw;
+ int len;
+ int err;
+ u16 reclen;
+
+ /* Get the MAC address */
+ err = hw->ops->read_ltv(hw, USER_BAP, HERMES_RID_CNFOWNMACADDR,
+ ETH_ALEN, NULL, dev_addr);
+ if (err) {
+ dev_warn(dev, "Failed to read MAC address!\n");
+ goto out;
+ }
+
+ dev_dbg(dev, "MAC address %pM\n", dev_addr);
+
+ /* Get the station name */
+ err = hw->ops->read_ltv(hw, USER_BAP, HERMES_RID_CNFOWNNAME,
+ sizeof(nickbuf), &reclen, &nickbuf);
+ if (err) {
+ dev_err(dev, "failed to read station name\n");
+ goto out;
+ }
+ if (nickbuf.len)
+ len = min(IW_ESSID_MAX_SIZE, (int)le16_to_cpu(nickbuf.len));
+ else
+ len = min(IW_ESSID_MAX_SIZE, 2 * reclen);
+ memcpy(priv->nick, &nickbuf.val, len);
+ priv->nick[len] = '\0';
+
+ dev_dbg(dev, "Station name \"%s\"\n", priv->nick);
+
+ /* Get allowed channels */
+ err = hermes_read_wordrec(hw, USER_BAP, HERMES_RID_CHANNELLIST,
+ &priv->channel_mask);
+ if (err) {
+ dev_err(dev, "Failed to read channel list!\n");
+ goto out;
+ }
+
+ /* Get initial AP density */
+ err = hermes_read_wordrec(hw, USER_BAP, HERMES_RID_CNFSYSTEMSCALE,
+ &priv->ap_density);
+ if (err || priv->ap_density < 1 || priv->ap_density > 3)
+ priv->has_sensitivity = 0;
+
+ /* Get initial RTS threshold */
+ err = hermes_read_wordrec(hw, USER_BAP, HERMES_RID_CNFRTSTHRESHOLD,
+ &priv->rts_thresh);
+ if (err) {
+ dev_err(dev, "Failed to read RTS threshold!\n");
+ goto out;
+ }
+
+ /* Get initial fragmentation settings */
+ if (priv->has_mwo)
+ err = hermes_read_wordrec(hw, USER_BAP,
+ HERMES_RID_CNFMWOROBUST_AGERE,
+ &priv->mwo_robust);
+ else
+ err = hermes_read_wordrec(hw, USER_BAP,
+ HERMES_RID_CNFFRAGMENTATIONTHRESHOLD,
+ &priv->frag_thresh);
+ if (err) {
+ dev_err(dev, "Failed to read fragmentation settings!\n");
+ goto out;
+ }
+
+ /* Power management setup */
+ if (priv->has_pm) {
+ priv->pm_on = 0;
+ priv->pm_mcast = 1;
+ err = hermes_read_wordrec(hw, USER_BAP,
+ HERMES_RID_CNFMAXSLEEPDURATION,
+ &priv->pm_period);
+ if (err) {
+ dev_err(dev, "Failed to read power management "
+ "period!\n");
+ goto out;
+ }
+ err = hermes_read_wordrec(hw, USER_BAP,
+ HERMES_RID_CNFPMHOLDOVERDURATION,
+ &priv->pm_timeout);
+ if (err) {
+ dev_err(dev, "Failed to read power management "
+ "timeout!\n");
+ goto out;
+ }
+ }
+
+ /* Preamble setup */
+ if (priv->has_preamble) {
+ err = hermes_read_wordrec(hw, USER_BAP,
+ HERMES_RID_CNFPREAMBLE_SYMBOL,
+ &priv->preamble);
+ if (err) {
+ dev_err(dev, "Failed to read preamble setup\n");
+ goto out;
+ }
+ }
+
+ /* Retry settings */
+ err = hermes_read_wordrec(hw, USER_BAP, HERMES_RID_SHORTRETRYLIMIT,
+ &priv->short_retry_limit);
+ if (err) {
+ dev_err(dev, "Failed to read short retry limit\n");
+ goto out;
+ }
+
+ err = hermes_read_wordrec(hw, USER_BAP, HERMES_RID_LONGRETRYLIMIT,
+ &priv->long_retry_limit);
+ if (err) {
+ dev_err(dev, "Failed to read long retry limit\n");
+ goto out;
+ }
+
+ err = hermes_read_wordrec(hw, USER_BAP, HERMES_RID_MAXTRANSMITLIFETIME,
+ &priv->retry_lifetime);
+ if (err) {
+ dev_err(dev, "Failed to read max retry lifetime\n");
+ goto out;
+ }
+
+out:
+ return err;
+}
+
+/* Can be called before netdev registration */
+int orinoco_hw_allocate_fid(struct orinoco_private *priv)
+{
+ struct device *dev = priv->dev;
+ struct hermes *hw = &priv->hw;
+ int err;
+
+ err = hw->ops->allocate(hw, priv->nicbuf_size, &priv->txfid);
+ if (err == -EIO && priv->nicbuf_size > TX_NICBUF_SIZE_BUG) {
+ /* Try workaround for old Symbol firmware bug */
+ priv->nicbuf_size = TX_NICBUF_SIZE_BUG;
+ err = hw->ops->allocate(hw, priv->nicbuf_size, &priv->txfid);
+
+ dev_warn(dev, "Firmware ALLOC bug detected "
+ "(old Symbol firmware?). Work around %s\n",
+ err ? "failed!" : "ok.");
+ }
+
+ return err;
+}
+
+int orinoco_get_bitratemode(int bitrate, int automatic)
+{
+ int ratemode = -1;
+ int i;
+
+ if ((bitrate != 10) && (bitrate != 20) &&
+ (bitrate != 55) && (bitrate != 110))
+ return ratemode;
+
+ for (i = 0; i < BITRATE_TABLE_SIZE; i++) {
+ if ((bitrate_table[i].bitrate == bitrate) &&
+ (bitrate_table[i].automatic == automatic)) {
+ ratemode = i;
+ break;
+ }
+ }
+ return ratemode;
+}
+
+void orinoco_get_ratemode_cfg(int ratemode, int *bitrate, int *automatic)
+{
+ BUG_ON((ratemode < 0) || (ratemode >= BITRATE_TABLE_SIZE));
+
+ *bitrate = bitrate_table[ratemode].bitrate * 100000;
+ *automatic = bitrate_table[ratemode].automatic;
+}
+
+int orinoco_hw_program_rids(struct orinoco_private *priv)
+{
+ struct net_device *dev = priv->ndev;
+ struct wireless_dev *wdev = netdev_priv(dev);
+ struct hermes *hw = &priv->hw;
+ int err;
+ struct hermes_idstring idbuf;
+
+ /* Set the MAC address */
+ err = hw->ops->write_ltv(hw, USER_BAP, HERMES_RID_CNFOWNMACADDR,
+ HERMES_BYTES_TO_RECLEN(ETH_ALEN),
+ dev->dev_addr);
+ if (err) {
+ printk(KERN_ERR "%s: Error %d setting MAC address\n",
+ dev->name, err);
+ return err;
+ }
+
+ /* Set up the link mode */
+ err = hermes_write_wordrec(hw, USER_BAP, HERMES_RID_CNFPORTTYPE,
+ priv->port_type);
+ if (err) {
+ printk(KERN_ERR "%s: Error %d setting port type\n",
+ dev->name, err);
+ return err;
+ }
+ /* Set the channel/frequency */
+ if (priv->channel != 0 && priv->iw_mode != NL80211_IFTYPE_STATION) {
+ err = hermes_write_wordrec(hw, USER_BAP,
+ HERMES_RID_CNFOWNCHANNEL,
+ priv->channel);
+ if (err) {
+ printk(KERN_ERR "%s: Error %d setting channel %d\n",
+ dev->name, err, priv->channel);
+ return err;
+ }
+ }
+
+ if (priv->has_ibss) {
+ u16 createibss;
+
+ if ((strlen(priv->desired_essid) == 0) && (priv->createibss)) {
+ printk(KERN_WARNING "%s: This firmware requires an "
+ "ESSID in IBSS-Ad-Hoc mode.\n", dev->name);
+ /* With wvlan_cs, in this case, we would crash.
+ * hopefully, this driver will behave better...
+ * Jean II */
+ createibss = 0;
+ } else {
+ createibss = priv->createibss;
+ }
+
+ err = hermes_write_wordrec(hw, USER_BAP,
+ HERMES_RID_CNFCREATEIBSS,
+ createibss);
+ if (err) {
+ printk(KERN_ERR "%s: Error %d setting CREATEIBSS\n",
+ dev->name, err);
+ return err;
+ }
+ }
+
+ /* Set the desired BSSID */
+ err = __orinoco_hw_set_wap(priv);
+ if (err) {
+ printk(KERN_ERR "%s: Error %d setting AP address\n",
+ dev->name, err);
+ return err;
+ }
+
+ /* Set the desired ESSID */
+ idbuf.len = cpu_to_le16(strlen(priv->desired_essid));
+ memcpy(&idbuf.val, priv->desired_essid, sizeof(idbuf.val));
+ /* WinXP wants partner to configure OWNSSID even in IBSS mode. (jimc) */
+ err = hw->ops->write_ltv(hw, USER_BAP, HERMES_RID_CNFOWNSSID,
+ HERMES_BYTES_TO_RECLEN(strlen(priv->desired_essid) + 2),
+ &idbuf);
+ if (err) {
+ printk(KERN_ERR "%s: Error %d setting OWNSSID\n",
+ dev->name, err);
+ return err;
+ }
+ err = hw->ops->write_ltv(hw, USER_BAP, HERMES_RID_CNFDESIREDSSID,
+ HERMES_BYTES_TO_RECLEN(strlen(priv->desired_essid) + 2),
+ &idbuf);
+ if (err) {
+ printk(KERN_ERR "%s: Error %d setting DESIREDSSID\n",
+ dev->name, err);
+ return err;
+ }
+
+ /* Set the station name */
+ idbuf.len = cpu_to_le16(strlen(priv->nick));
+ memcpy(&idbuf.val, priv->nick, sizeof(idbuf.val));
+ err = hw->ops->write_ltv(hw, USER_BAP, HERMES_RID_CNFOWNNAME,
+ HERMES_BYTES_TO_RECLEN(strlen(priv->nick) + 2),
+ &idbuf);
+ if (err) {
+ printk(KERN_ERR "%s: Error %d setting nickname\n",
+ dev->name, err);
+ return err;
+ }
+
+ /* Set AP density */
+ if (priv->has_sensitivity) {
+ err = hermes_write_wordrec(hw, USER_BAP,
+ HERMES_RID_CNFSYSTEMSCALE,
+ priv->ap_density);
+ if (err) {
+ printk(KERN_WARNING "%s: Error %d setting SYSTEMSCALE. "
+ "Disabling sensitivity control\n",
+ dev->name, err);
+
+ priv->has_sensitivity = 0;
+ }
+ }
+
+ /* Set RTS threshold */
+ err = hermes_write_wordrec(hw, USER_BAP, HERMES_RID_CNFRTSTHRESHOLD,
+ priv->rts_thresh);
+ if (err) {
+ printk(KERN_ERR "%s: Error %d setting RTS threshold\n",
+ dev->name, err);
+ return err;
+ }
+
+ /* Set fragmentation threshold or MWO robustness */
+ if (priv->has_mwo)
+ err = hermes_write_wordrec(hw, USER_BAP,
+ HERMES_RID_CNFMWOROBUST_AGERE,
+ priv->mwo_robust);
+ else
+ err = hermes_write_wordrec(hw, USER_BAP,
+ HERMES_RID_CNFFRAGMENTATIONTHRESHOLD,
+ priv->frag_thresh);
+ if (err) {
+ printk(KERN_ERR "%s: Error %d setting fragmentation\n",
+ dev->name, err);
+ return err;
+ }
+
+ /* Set bitrate */
+ err = __orinoco_hw_set_bitrate(priv);
+ if (err) {
+ printk(KERN_ERR "%s: Error %d setting bitrate\n",
+ dev->name, err);
+ return err;
+ }
+
+ /* Set power management */
+ if (priv->has_pm) {
+ err = hermes_write_wordrec(hw, USER_BAP,
+ HERMES_RID_CNFPMENABLED,
+ priv->pm_on);
+ if (err) {
+ printk(KERN_ERR "%s: Error %d setting up PM\n",
+ dev->name, err);
+ return err;
+ }
+
+ err = hermes_write_wordrec(hw, USER_BAP,
+ HERMES_RID_CNFMULTICASTRECEIVE,
+ priv->pm_mcast);
+ if (err) {
+ printk(KERN_ERR "%s: Error %d setting up PM\n",
+ dev->name, err);
+ return err;
+ }
+ err = hermes_write_wordrec(hw, USER_BAP,
+ HERMES_RID_CNFMAXSLEEPDURATION,
+ priv->pm_period);
+ if (err) {
+ printk(KERN_ERR "%s: Error %d setting up PM\n",
+ dev->name, err);
+ return err;
+ }
+ err = hermes_write_wordrec(hw, USER_BAP,
+ HERMES_RID_CNFPMHOLDOVERDURATION,
+ priv->pm_timeout);
+ if (err) {
+ printk(KERN_ERR "%s: Error %d setting up PM\n",
+ dev->name, err);
+ return err;
+ }
+ }
+
+ /* Set preamble - only for Symbol so far... */
+ if (priv->has_preamble) {
+ err = hermes_write_wordrec(hw, USER_BAP,
+ HERMES_RID_CNFPREAMBLE_SYMBOL,
+ priv->preamble);
+ if (err) {
+ printk(KERN_ERR "%s: Error %d setting preamble\n",
+ dev->name, err);
+ return err;
+ }
+ }
+
+ /* Set up encryption */
+ if (priv->has_wep || priv->has_wpa) {
+ err = __orinoco_hw_setup_enc(priv);
+ if (err) {
+ printk(KERN_ERR "%s: Error %d activating encryption\n",
+ dev->name, err);
+ return err;
+ }
+ }
+
+ if (priv->iw_mode == NL80211_IFTYPE_MONITOR) {
+ /* Enable monitor mode */
+ dev->type = ARPHRD_IEEE80211;
+ err = hw->ops->cmd_wait(hw, HERMES_CMD_TEST |
+ HERMES_TEST_MONITOR, 0, NULL);
+ } else {
+ /* Disable monitor mode */
+ dev->type = ARPHRD_ETHER;
+ err = hw->ops->cmd_wait(hw, HERMES_CMD_TEST |
+ HERMES_TEST_STOP, 0, NULL);
+ }
+ if (err)
+ return err;
+
+ /* Reset promiscuity / multicast*/
+ priv->promiscuous = 0;
+ priv->mc_count = 0;
+
+ /* Record mode change */
+ wdev->iftype = priv->iw_mode;
+
+ return 0;
+}
+
+/* Get tsc from the firmware */
+int orinoco_hw_get_tkip_iv(struct orinoco_private *priv, int key, u8 *tsc)
+{
+ struct hermes *hw = &priv->hw;
+ int err = 0;
+ u8 tsc_arr[4][ORINOCO_SEQ_LEN];
+
+ if ((key < 0) || (key >= 4))
+ return -EINVAL;
+
+ err = hw->ops->read_ltv(hw, USER_BAP, HERMES_RID_CURRENT_TKIP_IV,
+ sizeof(tsc_arr), NULL, &tsc_arr);
+ if (!err)
+ memcpy(tsc, &tsc_arr[key][0], sizeof(tsc_arr[0]));
+
+ return err;
+}
+
+int __orinoco_hw_set_bitrate(struct orinoco_private *priv)
+{
+ struct hermes *hw = &priv->hw;
+ int ratemode = priv->bitratemode;
+ int err = 0;
+
+ if (ratemode >= BITRATE_TABLE_SIZE) {
+ printk(KERN_ERR "%s: BUG: Invalid bitrate mode %d\n",
+ priv->ndev->name, ratemode);
+ return -EINVAL;
+ }
+
+ switch (priv->firmware_type) {
+ case FIRMWARE_TYPE_AGERE:
+ err = hermes_write_wordrec(hw, USER_BAP,
+ HERMES_RID_CNFTXRATECONTROL,
+ bitrate_table[ratemode].agere_txratectrl);
+ break;
+ case FIRMWARE_TYPE_INTERSIL:
+ case FIRMWARE_TYPE_SYMBOL:
+ err = hermes_write_wordrec(hw, USER_BAP,
+ HERMES_RID_CNFTXRATECONTROL,
+ bitrate_table[ratemode].intersil_txratectrl);
+ break;
+ default:
+ BUG();
+ }
+
+ return err;
+}
+
+int orinoco_hw_get_act_bitrate(struct orinoco_private *priv, int *bitrate)
+{
+ struct hermes *hw = &priv->hw;
+ int i;
+ int err = 0;
+ u16 val;
+
+ err = hermes_read_wordrec(hw, USER_BAP,
+ HERMES_RID_CURRENTTXRATE, &val);
+ if (err)
+ return err;
+
+ switch (priv->firmware_type) {
+ case FIRMWARE_TYPE_AGERE: /* Lucent style rate */
+ /* Note : in Lucent firmware, the return value of
+ * HERMES_RID_CURRENTTXRATE is the bitrate in Mb/s,
+ * and therefore is totally different from the
+ * encoding of HERMES_RID_CNFTXRATECONTROL.
+ * Don't forget that 6Mb/s is really 5.5Mb/s */
+ if (val == 6)
+ *bitrate = 5500000;
+ else
+ *bitrate = val * 1000000;
+ break;
+ case FIRMWARE_TYPE_INTERSIL: /* Intersil style rate */
+ case FIRMWARE_TYPE_SYMBOL: /* Symbol style rate */
+ for (i = 0; i < BITRATE_TABLE_SIZE; i++)
+ if (bitrate_table[i].intersil_txratectrl == val) {
+ *bitrate = bitrate_table[i].bitrate * 100000;
+ break;
+ }
+
+ if (i >= BITRATE_TABLE_SIZE) {
+ printk(KERN_INFO "%s: Unable to determine current bitrate (0x%04hx)\n",
+ priv->ndev->name, val);
+ err = -EIO;
+ }
+
+ break;
+ default:
+ BUG();
+ }
+
+ return err;
+}
+
+/* Set fixed AP address */
+int __orinoco_hw_set_wap(struct orinoco_private *priv)
+{
+ int roaming_flag;
+ int err = 0;
+ struct hermes *hw = &priv->hw;
+
+ switch (priv->firmware_type) {
+ case FIRMWARE_TYPE_AGERE:
+ /* not supported */
+ break;
+ case FIRMWARE_TYPE_INTERSIL:
+ if (priv->bssid_fixed)
+ roaming_flag = 2;
+ else
+ roaming_flag = 1;
+
+ err = hermes_write_wordrec(hw, USER_BAP,
+ HERMES_RID_CNFROAMINGMODE,
+ roaming_flag);
+ break;
+ case FIRMWARE_TYPE_SYMBOL:
+ err = HERMES_WRITE_RECORD(hw, USER_BAP,
+ HERMES_RID_CNFMANDATORYBSSID_SYMBOL,
+ &priv->desired_bssid);
+ break;
+ }
+ return err;
+}
+
+/* Change the WEP keys and/or the current keys. Can be called
+ * either from __orinoco_hw_setup_enc() or directly from
+ * orinoco_ioctl_setiwencode(). In the later case the association
+ * with the AP is not broken (if the firmware can handle it),
+ * which is needed for 802.1x implementations. */
+int __orinoco_hw_setup_wepkeys(struct orinoco_private *priv)
+{
+ struct hermes *hw = &priv->hw;
+ int err = 0;
+ int i;
+
+ switch (priv->firmware_type) {
+ case FIRMWARE_TYPE_AGERE:
+ {
+ struct orinoco_key keys[ORINOCO_MAX_KEYS];
+
+ memset(&keys, 0, sizeof(keys));
+ for (i = 0; i < ORINOCO_MAX_KEYS; i++) {
+ int len = min(priv->keys[i].key_len,
+ ORINOCO_MAX_KEY_SIZE);
+ memcpy(&keys[i].data, priv->keys[i].key, len);
+ if (len > SMALL_KEY_SIZE)
+ keys[i].len = cpu_to_le16(LARGE_KEY_SIZE);
+ else if (len > 0)
+ keys[i].len = cpu_to_le16(SMALL_KEY_SIZE);
+ else
+ keys[i].len = cpu_to_le16(0);
+ }
+
+ err = HERMES_WRITE_RECORD(hw, USER_BAP,
+ HERMES_RID_CNFWEPKEYS_AGERE,
+ &keys);
+ if (err)
+ return err;
+ err = hermes_write_wordrec(hw, USER_BAP,
+ HERMES_RID_CNFTXKEY_AGERE,
+ priv->tx_key);
+ if (err)
+ return err;
+ break;
+ }
+ case FIRMWARE_TYPE_INTERSIL:
+ case FIRMWARE_TYPE_SYMBOL:
+ {
+ int keylen;
+
+ /* Force uniform key length to work around
+ * firmware bugs */
+ keylen = priv->keys[priv->tx_key].key_len;
+
+ if (keylen > LARGE_KEY_SIZE) {
+ printk(KERN_ERR "%s: BUG: Key %d has oversize length %d.\n",
+ priv->ndev->name, priv->tx_key, keylen);
+ return -E2BIG;
+ } else if (keylen > SMALL_KEY_SIZE)
+ keylen = LARGE_KEY_SIZE;
+ else if (keylen > 0)
+ keylen = SMALL_KEY_SIZE;
+ else
+ keylen = 0;
+
+ /* Write all 4 keys */
+ for (i = 0; i < ORINOCO_MAX_KEYS; i++) {
+ u8 key[LARGE_KEY_SIZE] = { 0 };
+
+ memcpy(key, priv->keys[i].key,
+ priv->keys[i].key_len);
+
+ err = hw->ops->write_ltv(hw, USER_BAP,
+ HERMES_RID_CNFDEFAULTKEY0 + i,
+ HERMES_BYTES_TO_RECLEN(keylen),
+ key);
+ if (err)
+ return err;
+ }
+
+ /* Write the index of the key used in transmission */
+ err = hermes_write_wordrec(hw, USER_BAP,
+ HERMES_RID_CNFWEPDEFAULTKEYID,
+ priv->tx_key);
+ if (err)
+ return err;
+ }
+ break;
+ }
+
+ return 0;
+}
+
+int __orinoco_hw_setup_enc(struct orinoco_private *priv)
+{
+ struct hermes *hw = &priv->hw;
+ int err = 0;
+ int master_wep_flag;
+ int auth_flag;
+ int enc_flag;
+
+ /* Setup WEP keys */
+ if (priv->encode_alg == ORINOCO_ALG_WEP)
+ __orinoco_hw_setup_wepkeys(priv);
+
+ if (priv->wep_restrict)
+ auth_flag = HERMES_AUTH_SHARED_KEY;
+ else
+ auth_flag = HERMES_AUTH_OPEN;
+
+ if (priv->wpa_enabled)
+ enc_flag = 2;
+ else if (priv->encode_alg == ORINOCO_ALG_WEP)
+ enc_flag = 1;
+ else
+ enc_flag = 0;
+
+ switch (priv->firmware_type) {
+ case FIRMWARE_TYPE_AGERE: /* Agere style WEP */
+ if (priv->encode_alg == ORINOCO_ALG_WEP) {
+ /* Enable the shared-key authentication. */
+ err = hermes_write_wordrec(hw, USER_BAP,
+ HERMES_RID_CNFAUTHENTICATION_AGERE,
+ auth_flag);
+ }
+ err = hermes_write_wordrec(hw, USER_BAP,
+ HERMES_RID_CNFWEPENABLED_AGERE,
+ enc_flag);
+ if (err)
+ return err;
+
+ if (priv->has_wpa) {
+ /* Set WPA key management */
+ err = hermes_write_wordrec(hw, USER_BAP,
+ HERMES_RID_CNFSETWPAAUTHMGMTSUITE_AGERE,
+ priv->key_mgmt);
+ if (err)
+ return err;
+ }
+
+ break;
+
+ case FIRMWARE_TYPE_INTERSIL: /* Intersil style WEP */
+ case FIRMWARE_TYPE_SYMBOL: /* Symbol style WEP */
+ if (priv->encode_alg == ORINOCO_ALG_WEP) {
+ if (priv->wep_restrict ||
+ (priv->firmware_type == FIRMWARE_TYPE_SYMBOL))
+ master_wep_flag = HERMES_WEP_PRIVACY_INVOKED |
+ HERMES_WEP_EXCL_UNENCRYPTED;
+ else
+ master_wep_flag = HERMES_WEP_PRIVACY_INVOKED;
+
+ err = hermes_write_wordrec(hw, USER_BAP,
+ HERMES_RID_CNFAUTHENTICATION,
+ auth_flag);
+ if (err)
+ return err;
+ } else
+ master_wep_flag = 0;
+
+ if (priv->iw_mode == NL80211_IFTYPE_MONITOR)
+ master_wep_flag |= HERMES_WEP_HOST_DECRYPT;
+
+ /* Master WEP setting : on/off */
+ err = hermes_write_wordrec(hw, USER_BAP,
+ HERMES_RID_CNFWEPFLAGS_INTERSIL,
+ master_wep_flag);
+ if (err)
+ return err;
+
+ break;
+ }
+
+ return 0;
+}
+
+/* key must be 32 bytes, including the tx and rx MIC keys.
+ * rsc must be NULL or up to 8 bytes
+ * tsc must be NULL or up to 8 bytes
+ */
+int __orinoco_hw_set_tkip_key(struct orinoco_private *priv, int key_idx,
+ int set_tx, const u8 *key, const u8 *rsc,
+ size_t rsc_len, const u8 *tsc, size_t tsc_len)
+{
+ struct {
+ __le16 idx;
+ u8 rsc[ORINOCO_SEQ_LEN];
+ u8 key[TKIP_KEYLEN];
+ u8 tx_mic[MIC_KEYLEN];
+ u8 rx_mic[MIC_KEYLEN];
+ u8 tsc[ORINOCO_SEQ_LEN];
+ } __packed buf;
+ struct hermes *hw = &priv->hw;
+ int ret;
+ int err;
+ int k;
+ u16 xmitting;
+
+ key_idx &= 0x3;
+
+ if (set_tx)
+ key_idx |= 0x8000;
+
+ buf.idx = cpu_to_le16(key_idx);
+ memcpy(buf.key, key,
+ sizeof(buf.key) + sizeof(buf.tx_mic) + sizeof(buf.rx_mic));
+
+ if (rsc_len > sizeof(buf.rsc))
+ rsc_len = sizeof(buf.rsc);
+
+ if (tsc_len > sizeof(buf.tsc))
+ tsc_len = sizeof(buf.tsc);
+
+ memset(buf.rsc, 0, sizeof(buf.rsc));
+ memset(buf.tsc, 0, sizeof(buf.tsc));
+
+ if (rsc != NULL)
+ memcpy(buf.rsc, rsc, rsc_len);
+
+ if (tsc != NULL)
+ memcpy(buf.tsc, tsc, tsc_len);
+ else
+ buf.tsc[4] = 0x10;
+
+ /* Wait up to 100ms for tx queue to empty */
+ for (k = 100; k > 0; k--) {
+ udelay(1000);
+ ret = hermes_read_wordrec(hw, USER_BAP, HERMES_RID_TXQUEUEEMPTY,
+ &xmitting);
+ if (ret || !xmitting)
+ break;
+ }
+
+ if (k == 0)
+ ret = -ETIMEDOUT;
+
+ err = HERMES_WRITE_RECORD(hw, USER_BAP,
+ HERMES_RID_CNFADDDEFAULTTKIPKEY_AGERE,
+ &buf);
+
+ return ret ? ret : err;
+}
+
+int orinoco_clear_tkip_key(struct orinoco_private *priv, int key_idx)
+{
+ struct hermes *hw = &priv->hw;
+ int err;
+
+ err = hermes_write_wordrec(hw, USER_BAP,
+ HERMES_RID_CNFREMDEFAULTTKIPKEY_AGERE,
+ key_idx);
+ if (err)
+ printk(KERN_WARNING "%s: Error %d clearing TKIP key %d\n",
+ priv->ndev->name, err, key_idx);
+ return err;
+}
+
+int __orinoco_hw_set_multicast_list(struct orinoco_private *priv,
+ struct net_device *dev,
+ int mc_count, int promisc)
+{
+ struct hermes *hw = &priv->hw;
+ int err = 0;
+
+ if (promisc != priv->promiscuous) {
+ err = hermes_write_wordrec(hw, USER_BAP,
+ HERMES_RID_CNFPROMISCUOUSMODE,
+ promisc);
+ if (err) {
+ printk(KERN_ERR "%s: Error %d setting PROMISCUOUSMODE to 1.\n",
+ priv->ndev->name, err);
+ } else
+ priv->promiscuous = promisc;
+ }
+
+ /* If we're not in promiscuous mode, then we need to set the
+ * group address if either we want to multicast, or if we were
+ * multicasting and want to stop */
+ if (!promisc && (mc_count || priv->mc_count)) {
+ struct netdev_hw_addr *ha;
+ struct hermes_multicast mclist;
+ int i = 0;
+
+ netdev_for_each_mc_addr(ha, dev) {
+ if (i == mc_count)
+ break;
+ memcpy(mclist.addr[i++], ha->addr, ETH_ALEN);
+ }
+
+ err = hw->ops->write_ltv(hw, USER_BAP,
+ HERMES_RID_CNFGROUPADDRESSES,
+ HERMES_BYTES_TO_RECLEN(mc_count * ETH_ALEN),
+ &mclist);
+ if (err)
+ printk(KERN_ERR "%s: Error %d setting multicast list.\n",
+ priv->ndev->name, err);
+ else
+ priv->mc_count = mc_count;
+ }
+ return err;
+}
+
+/* Return : < 0 -> error code ; >= 0 -> length */
+int orinoco_hw_get_essid(struct orinoco_private *priv, int *active,
+ char buf[IW_ESSID_MAX_SIZE + 1])
+{
+ struct hermes *hw = &priv->hw;
+ int err = 0;
+ struct hermes_idstring essidbuf;
+ char *p = (char *)(&essidbuf.val);
+ int len;
+ unsigned long flags;
+
+ if (orinoco_lock(priv, &flags) != 0)
+ return -EBUSY;
+
+ if (strlen(priv->desired_essid) > 0) {
+ /* We read the desired SSID from the hardware rather
+ than from priv->desired_essid, just in case the
+ firmware is allowed to change it on us. I'm not
+ sure about this */
+ /* My guess is that the OWNSSID should always be whatever
+ * we set to the card, whereas CURRENT_SSID is the one that
+ * may change... - Jean II */
+ u16 rid;
+
+ *active = 1;
+
+ rid = (priv->port_type == 3) ? HERMES_RID_CNFOWNSSID :
+ HERMES_RID_CNFDESIREDSSID;
+
+ err = hw->ops->read_ltv(hw, USER_BAP, rid, sizeof(essidbuf),
+ NULL, &essidbuf);
+ if (err)
+ goto fail_unlock;
+ } else {
+ *active = 0;
+
+ err = hw->ops->read_ltv(hw, USER_BAP, HERMES_RID_CURRENTSSID,
+ sizeof(essidbuf), NULL, &essidbuf);
+ if (err)
+ goto fail_unlock;
+ }
+
+ len = le16_to_cpu(essidbuf.len);
+ BUG_ON(len > IW_ESSID_MAX_SIZE);
+
+ memset(buf, 0, IW_ESSID_MAX_SIZE);
+ memcpy(buf, p, len);
+ err = len;
+
+ fail_unlock:
+ orinoco_unlock(priv, &flags);
+
+ return err;
+}
+
+int orinoco_hw_get_freq(struct orinoco_private *priv)
+{
+ struct hermes *hw = &priv->hw;
+ int err = 0;
+ u16 channel;
+ int freq = 0;
+ unsigned long flags;
+
+ if (orinoco_lock(priv, &flags) != 0)
+ return -EBUSY;
+
+ err = hermes_read_wordrec(hw, USER_BAP, HERMES_RID_CURRENTCHANNEL,
+ &channel);
+ if (err)
+ goto out;
+
+ /* Intersil firmware 1.3.5 returns 0 when the interface is down */
+ if (channel == 0) {
+ err = -EBUSY;
+ goto out;
+ }
+
+ if ((channel < 1) || (channel > NUM_CHANNELS)) {
+ printk(KERN_WARNING "%s: Channel out of range (%d)!\n",
+ priv->ndev->name, channel);
+ err = -EBUSY;
+ goto out;
+
+ }
+ freq = ieee80211_channel_to_frequency(channel, IEEE80211_BAND_2GHZ);
+
+ out:
+ orinoco_unlock(priv, &flags);
+
+ if (err > 0)
+ err = -EBUSY;
+ return err ? err : freq;
+}
+
+int orinoco_hw_get_bitratelist(struct orinoco_private *priv,
+ int *numrates, s32 *rates, int max)
+{
+ struct hermes *hw = &priv->hw;
+ struct hermes_idstring list;
+ unsigned char *p = (unsigned char *)&list.val;
+ int err = 0;
+ int num;
+ int i;
+ unsigned long flags;
+
+ if (orinoco_lock(priv, &flags) != 0)
+ return -EBUSY;
+
+ err = hw->ops->read_ltv(hw, USER_BAP, HERMES_RID_SUPPORTEDDATARATES,
+ sizeof(list), NULL, &list);
+ orinoco_unlock(priv, &flags);
+
+ if (err)
+ return err;
+
+ num = le16_to_cpu(list.len);
+ *numrates = num;
+ num = min(num, max);
+
+ for (i = 0; i < num; i++)
+ rates[i] = (p[i] & 0x7f) * 500000; /* convert to bps */
+
+ return 0;
+}
+
+int orinoco_hw_trigger_scan(struct orinoco_private *priv,
+ const struct cfg80211_ssid *ssid)
+{
+ struct net_device *dev = priv->ndev;
+ struct hermes *hw = &priv->hw;
+ unsigned long flags;
+ int err = 0;
+
+ if (orinoco_lock(priv, &flags) != 0)
+ return -EBUSY;
+
+ /* Scanning with port 0 disabled would fail */
+ if (!netif_running(dev)) {
+ err = -ENETDOWN;
+ goto out;
+ }
+
+ /* In monitor mode, the scan results are always empty.
+ * Probe responses are passed to the driver as received
+ * frames and could be processed in software. */
+ if (priv->iw_mode == NL80211_IFTYPE_MONITOR) {
+ err = -EOPNOTSUPP;
+ goto out;
+ }
+
+ if (priv->has_hostscan) {
+ switch (priv->firmware_type) {
+ case FIRMWARE_TYPE_SYMBOL:
+ err = hermes_write_wordrec(hw, USER_BAP,
+ HERMES_RID_CNFHOSTSCAN_SYMBOL,
+ HERMES_HOSTSCAN_SYMBOL_ONCE |
+ HERMES_HOSTSCAN_SYMBOL_BCAST);
+ break;
+ case FIRMWARE_TYPE_INTERSIL: {
+ __le16 req[3];
+
+ req[0] = cpu_to_le16(0x3fff); /* All channels */
+ req[1] = cpu_to_le16(0x0001); /* rate 1 Mbps */
+ req[2] = 0; /* Any ESSID */
+ err = HERMES_WRITE_RECORD(hw, USER_BAP,
+ HERMES_RID_CNFHOSTSCAN, &req);
+ break;
+ }
+ case FIRMWARE_TYPE_AGERE:
+ if (ssid->ssid_len > 0) {
+ struct hermes_idstring idbuf;
+ size_t len = ssid->ssid_len;
+
+ idbuf.len = cpu_to_le16(len);
+ memcpy(idbuf.val, ssid->ssid, len);
+
+ err = hw->ops->write_ltv(hw, USER_BAP,
+ HERMES_RID_CNFSCANSSID_AGERE,
+ HERMES_BYTES_TO_RECLEN(len + 2),
+ &idbuf);
+ } else
+ err = hermes_write_wordrec(hw, USER_BAP,
+ HERMES_RID_CNFSCANSSID_AGERE,
+ 0); /* Any ESSID */
+ if (err)
+ break;
+
+ if (priv->has_ext_scan) {
+ err = hermes_write_wordrec(hw, USER_BAP,
+ HERMES_RID_CNFSCANCHANNELS2GHZ,
+ 0x7FFF);
+ if (err)
+ goto out;
+
+ err = hermes_inquire(hw,
+ HERMES_INQ_CHANNELINFO);
+ } else
+ err = hermes_inquire(hw, HERMES_INQ_SCAN);
+
+ break;
+ }
+ } else
+ err = hermes_inquire(hw, HERMES_INQ_SCAN);
+
+ out:
+ orinoco_unlock(priv, &flags);
+
+ return err;
+}
+
+/* Disassociate from node with BSSID addr */
+int orinoco_hw_disassociate(struct orinoco_private *priv,
+ u8 *addr, u16 reason_code)
+{
+ struct hermes *hw = &priv->hw;
+ int err;
+
+ struct {
+ u8 addr[ETH_ALEN];
+ __le16 reason_code;
+ } __packed buf;
+
+ /* Currently only supported by WPA enabled Agere fw */
+ if (!priv->has_wpa)
+ return -EOPNOTSUPP;
+
+ memcpy(buf.addr, addr, ETH_ALEN);
+ buf.reason_code = cpu_to_le16(reason_code);
+ err = HERMES_WRITE_RECORD(hw, USER_BAP,
+ HERMES_RID_CNFDISASSOCIATE,
+ &buf);
+ return err;
+}
+
+int orinoco_hw_get_current_bssid(struct orinoco_private *priv,
+ u8 *addr)
+{
+ struct hermes *hw = &priv->hw;
+ int err;
+
+ err = hw->ops->read_ltv(hw, USER_BAP, HERMES_RID_CURRENTBSSID,
+ ETH_ALEN, NULL, addr);
+
+ return err;
+}
Code Review / kvmfornfv.git / blobdiff