| // SPDX-License-Identifier: GPL-2.0-only |
| /* |
| * WL3501 Wireless LAN PCMCIA Card Driver for Linux |
| * Written originally for Linux 2.0.30 by Fox Chen, mhchen@golf.ccl.itri.org.tw |
| * Ported to 2.2, 2.4 & 2.5 by Arnaldo Carvalho de Melo <acme@conectiva.com.br> |
| * Wireless extensions in 2.4 by Gustavo Niemeyer <niemeyer@conectiva.com> |
| * |
| * References used by Fox Chen while writing the original driver for 2.0.30: |
| * |
| * 1. WL24xx packet drivers (tooasm.asm) |
| * 2. Access Point Firmware Interface Specification for IEEE 802.11 SUTRO |
| * 3. IEEE 802.11 |
| * 4. Linux network driver (/usr/src/linux/drivers/net) |
| * 5. ISA card driver - wl24.c |
| * 6. Linux PCMCIA skeleton driver - skeleton.c |
| * 7. Linux PCMCIA 3c589 network driver - 3c589_cs.c |
| * |
| * Tested with WL2400 firmware 1.2, Linux 2.0.30, and pcmcia-cs-2.9.12 |
| * 1. Performance: about 165 Kbytes/sec in TCP/IP with Ad-Hoc mode. |
| * rsh 192.168.1.3 "dd if=/dev/zero bs=1k count=1000" > /dev/null |
| * (Specification 2M bits/sec. is about 250 Kbytes/sec., but we must deduct |
| * ETHER/IP/UDP/TCP header, and acknowledgement overhead) |
| * |
| * Tested with Planet AP in 2.4.17, 184 Kbytes/s in UDP in Infrastructure mode, |
| * 173 Kbytes/s in TCP. |
| * |
| * Tested with Planet AP in 2.5.73-bk, 216 Kbytes/s in Infrastructure mode |
| * with a SMP machine (dual pentium 100), using pktgen, 432 pps (pkt_size = 60) |
| */ |
| |
| #include <linux/delay.h> |
| #include <linux/types.h> |
| #include <linux/interrupt.h> |
| #include <linux/in.h> |
| #include <linux/kernel.h> |
| #include <linux/module.h> |
| #include <linux/fcntl.h> |
| #include <linux/if_arp.h> |
| #include <linux/ioport.h> |
| #include <linux/netdevice.h> |
| #include <linux/etherdevice.h> |
| #include <linux/skbuff.h> |
| #include <linux/slab.h> |
| #include <linux/string.h> |
| #include <linux/wireless.h> |
| #include <net/cfg80211.h> |
| |
| #include <net/iw_handler.h> |
| |
| #include <pcmcia/cistpl.h> |
| #include <pcmcia/cisreg.h> |
| #include <pcmcia/ds.h> |
| |
| #include <asm/io.h> |
| #include <linux/uaccess.h> |
| |
| #include "wl3501.h" |
| |
| #ifndef __i386__ |
| #define slow_down_io() |
| #endif |
| |
| /* For rough constant delay */ |
| #define WL3501_NOPLOOP(n) { int x = 0; while (x++ < n) slow_down_io(); } |
| |
| |
| |
| #define wl3501_outb(a, b) { outb(a, b); slow_down_io(); } |
| #define wl3501_outb_p(a, b) { outb_p(a, b); slow_down_io(); } |
| #define wl3501_outsb(a, b, c) { outsb(a, b, c); slow_down_io(); } |
| |
| #define WL3501_RELEASE_TIMEOUT (25 * HZ) |
| #define WL3501_MAX_ADHOC_TRIES 16 |
| |
| #define WL3501_RESUME 0 |
| #define WL3501_SUSPEND 1 |
| |
| static int wl3501_config(struct pcmcia_device *link); |
| static void wl3501_release(struct pcmcia_device *link); |
| |
| static const struct { |
| int reg_domain; |
| int min, max, deflt; |
| } iw_channel_table[] = { |
| { |
| .reg_domain = IW_REG_DOMAIN_FCC, |
| .min = 1, |
| .max = 11, |
| .deflt = 1, |
| }, |
| { |
| .reg_domain = IW_REG_DOMAIN_DOC, |
| .min = 1, |
| .max = 11, |
| .deflt = 1, |
| }, |
| { |
| .reg_domain = IW_REG_DOMAIN_ETSI, |
| .min = 1, |
| .max = 13, |
| .deflt = 1, |
| }, |
| { |
| .reg_domain = IW_REG_DOMAIN_SPAIN, |
| .min = 10, |
| .max = 11, |
| .deflt = 10, |
| }, |
| { |
| .reg_domain = IW_REG_DOMAIN_FRANCE, |
| .min = 10, |
| .max = 13, |
| .deflt = 10, |
| }, |
| { |
| .reg_domain = IW_REG_DOMAIN_MKK, |
| .min = 14, |
| .max = 14, |
| .deflt = 14, |
| }, |
| { |
| .reg_domain = IW_REG_DOMAIN_MKK1, |
| .min = 1, |
| .max = 14, |
| .deflt = 1, |
| }, |
| { |
| .reg_domain = IW_REG_DOMAIN_ISRAEL, |
| .min = 3, |
| .max = 9, |
| .deflt = 9, |
| }, |
| }; |
| |
| /** |
| * iw_valid_channel - validate channel in regulatory domain |
| * @reg_comain - regulatory domain |
| * @channel - channel to validate |
| * |
| * Returns 0 if invalid in the specified regulatory domain, non-zero if valid. |
| */ |
| static int iw_valid_channel(int reg_domain, int channel) |
| { |
| int i, rc = 0; |
| |
| for (i = 0; i < ARRAY_SIZE(iw_channel_table); i++) |
| if (reg_domain == iw_channel_table[i].reg_domain) { |
| rc = channel >= iw_channel_table[i].min && |
| channel <= iw_channel_table[i].max; |
| break; |
| } |
| return rc; |
| } |
| |
| /** |
| * iw_default_channel - get default channel for a regulatory domain |
| * @reg_comain - regulatory domain |
| * |
| * Returns the default channel for a regulatory domain |
| */ |
| static int iw_default_channel(int reg_domain) |
| { |
| int i, rc = 1; |
| |
| for (i = 0; i < ARRAY_SIZE(iw_channel_table); i++) |
| if (reg_domain == iw_channel_table[i].reg_domain) { |
| rc = iw_channel_table[i].deflt; |
| break; |
| } |
| return rc; |
| } |
| |
| static void iw_set_mgmt_info_element(enum iw_mgmt_info_element_ids id, |
| struct iw_mgmt_info_element *el, |
| void *value, int len) |
| { |
| el->id = id; |
| el->len = len; |
| memcpy(el->data, value, len); |
| } |
| |
| static void iw_copy_mgmt_info_element(struct iw_mgmt_info_element *to, |
| struct iw_mgmt_info_element *from) |
| { |
| iw_set_mgmt_info_element(from->id, to, from->data, from->len); |
| } |
| |
| static inline void wl3501_switch_page(struct wl3501_card *this, u8 page) |
| { |
| wl3501_outb(page, this->base_addr + WL3501_NIC_BSS); |
| } |
| |
| /* |
| * Get Ethernet MAC address. |
| * |
| * WARNING: We switch to FPAGE0 and switc back again. |
| * Making sure there is no other WL function beening called by ISR. |
| */ |
| static int wl3501_get_flash_mac_addr(struct wl3501_card *this) |
| { |
| int base_addr = this->base_addr; |
| |
| /* get MAC addr */ |
| wl3501_outb(WL3501_BSS_FPAGE3, base_addr + WL3501_NIC_BSS); /* BSS */ |
| wl3501_outb(0x00, base_addr + WL3501_NIC_LMAL); /* LMAL */ |
| wl3501_outb(0x40, base_addr + WL3501_NIC_LMAH); /* LMAH */ |
| |
| /* wait for reading EEPROM */ |
| WL3501_NOPLOOP(100); |
| this->mac_addr[0] = inb(base_addr + WL3501_NIC_IODPA); |
| WL3501_NOPLOOP(100); |
| this->mac_addr[1] = inb(base_addr + WL3501_NIC_IODPA); |
| WL3501_NOPLOOP(100); |
| this->mac_addr[2] = inb(base_addr + WL3501_NIC_IODPA); |
| WL3501_NOPLOOP(100); |
| this->mac_addr[3] = inb(base_addr + WL3501_NIC_IODPA); |
| WL3501_NOPLOOP(100); |
| this->mac_addr[4] = inb(base_addr + WL3501_NIC_IODPA); |
| WL3501_NOPLOOP(100); |
| this->mac_addr[5] = inb(base_addr + WL3501_NIC_IODPA); |
| WL3501_NOPLOOP(100); |
| this->reg_domain = inb(base_addr + WL3501_NIC_IODPA); |
| WL3501_NOPLOOP(100); |
| wl3501_outb(WL3501_BSS_FPAGE0, base_addr + WL3501_NIC_BSS); |
| wl3501_outb(0x04, base_addr + WL3501_NIC_LMAL); |
| wl3501_outb(0x40, base_addr + WL3501_NIC_LMAH); |
| WL3501_NOPLOOP(100); |
| this->version[0] = inb(base_addr + WL3501_NIC_IODPA); |
| WL3501_NOPLOOP(100); |
| this->version[1] = inb(base_addr + WL3501_NIC_IODPA); |
| /* switch to SRAM Page 0 (for safety) */ |
| wl3501_switch_page(this, WL3501_BSS_SPAGE0); |
| |
| /* The MAC addr should be 00:60:... */ |
| return this->mac_addr[0] == 0x00 && this->mac_addr[1] == 0x60; |
| } |
| |
| /** |
| * wl3501_set_to_wla - Move 'size' bytes from PC to card |
| * @dest: Card addressing space |
| * @src: PC addressing space |
| * @size: Bytes to move |
| * |
| * Move 'size' bytes from PC to card. (Shouldn't be interrupted) |
| */ |
| static void wl3501_set_to_wla(struct wl3501_card *this, u16 dest, void *src, |
| int size) |
| { |
| /* switch to SRAM Page 0 */ |
| wl3501_switch_page(this, (dest & 0x8000) ? WL3501_BSS_SPAGE1 : |
| WL3501_BSS_SPAGE0); |
| /* set LMAL and LMAH */ |
| wl3501_outb(dest & 0xff, this->base_addr + WL3501_NIC_LMAL); |
| wl3501_outb(((dest >> 8) & 0x7f), this->base_addr + WL3501_NIC_LMAH); |
| |
| /* rep out to Port A */ |
| wl3501_outsb(this->base_addr + WL3501_NIC_IODPA, src, size); |
| } |
| |
| /** |
| * wl3501_get_from_wla - Move 'size' bytes from card to PC |
| * @src: Card addressing space |
| * @dest: PC addressing space |
| * @size: Bytes to move |
| * |
| * Move 'size' bytes from card to PC. (Shouldn't be interrupted) |
| */ |
| static void wl3501_get_from_wla(struct wl3501_card *this, u16 src, void *dest, |
| int size) |
| { |
| /* switch to SRAM Page 0 */ |
| wl3501_switch_page(this, (src & 0x8000) ? WL3501_BSS_SPAGE1 : |
| WL3501_BSS_SPAGE0); |
| /* set LMAL and LMAH */ |
| wl3501_outb(src & 0xff, this->base_addr + WL3501_NIC_LMAL); |
| wl3501_outb((src >> 8) & 0x7f, this->base_addr + WL3501_NIC_LMAH); |
| |
| /* rep get from Port A */ |
| insb(this->base_addr + WL3501_NIC_IODPA, dest, size); |
| } |
| |
| /* |
| * Get/Allocate a free Tx Data Buffer |
| * |
| * *--------------*-----------------*----------------------------------* |
| * | PLCP | MAC Header | DST SRC Data ... | |
| * | (24 bytes) | (30 bytes) | (6) (6) (Ethernet Row Data) | |
| * *--------------*-----------------*----------------------------------* |
| * \ \- IEEE 802.11 -/ \-------------- len --------------/ |
| * \-struct wl3501_80211_tx_hdr--/ \-------- Ethernet Frame -------/ |
| * |
| * Return = Position in Card |
| */ |
| static u16 wl3501_get_tx_buffer(struct wl3501_card *this, u16 len) |
| { |
| u16 next, blk_cnt = 0, zero = 0; |
| u16 full_len = sizeof(struct wl3501_80211_tx_hdr) + len; |
| u16 ret = 0; |
| |
| if (full_len > this->tx_buffer_cnt * 254) |
| goto out; |
| ret = this->tx_buffer_head; |
| while (full_len) { |
| if (full_len < 254) |
| full_len = 0; |
| else |
| full_len -= 254; |
| wl3501_get_from_wla(this, this->tx_buffer_head, &next, |
| sizeof(next)); |
| if (!full_len) |
| wl3501_set_to_wla(this, this->tx_buffer_head, &zero, |
| sizeof(zero)); |
| this->tx_buffer_head = next; |
| blk_cnt++; |
| /* if buffer is not enough */ |
| if (!next && full_len) { |
| this->tx_buffer_head = ret; |
| ret = 0; |
| goto out; |
| } |
| } |
| this->tx_buffer_cnt -= blk_cnt; |
| out: |
| return ret; |
| } |
| |
| /* |
| * Free an allocated Tx Buffer. ptr must be correct position. |
| */ |
| static void wl3501_free_tx_buffer(struct wl3501_card *this, u16 ptr) |
| { |
| /* check if all space is not free */ |
| if (!this->tx_buffer_head) |
| this->tx_buffer_head = ptr; |
| else |
| wl3501_set_to_wla(this, this->tx_buffer_tail, |
| &ptr, sizeof(ptr)); |
| while (ptr) { |
| u16 next; |
| |
| this->tx_buffer_cnt++; |
| wl3501_get_from_wla(this, ptr, &next, sizeof(next)); |
| this->tx_buffer_tail = ptr; |
| ptr = next; |
| } |
| } |
| |
| static int wl3501_esbq_req_test(struct wl3501_card *this) |
| { |
| u8 tmp = 0; |
| |
| wl3501_get_from_wla(this, this->esbq_req_head + 3, &tmp, sizeof(tmp)); |
| return tmp & 0x80; |
| } |
| |
| static void wl3501_esbq_req(struct wl3501_card *this, u16 *ptr) |
| { |
| u16 tmp = 0; |
| |
| wl3501_set_to_wla(this, this->esbq_req_head, ptr, 2); |
| wl3501_set_to_wla(this, this->esbq_req_head + 2, &tmp, sizeof(tmp)); |
| this->esbq_req_head += 4; |
| if (this->esbq_req_head >= this->esbq_req_end) |
| this->esbq_req_head = this->esbq_req_start; |
| } |
| |
| static int wl3501_esbq_exec(struct wl3501_card *this, void *sig, int sig_size) |
| { |
| int rc = -EIO; |
| |
| if (wl3501_esbq_req_test(this)) { |
| u16 ptr = wl3501_get_tx_buffer(this, sig_size); |
| if (ptr) { |
| wl3501_set_to_wla(this, ptr, sig, sig_size); |
| wl3501_esbq_req(this, &ptr); |
| rc = 0; |
| } |
| } |
| return rc; |
| } |
| |
| static int wl3501_request_mib(struct wl3501_card *this, u8 index, void *bf) |
| { |
| struct wl3501_get_req sig = { |
| .sig_id = WL3501_SIG_GET_REQ, |
| .mib_attrib = index, |
| }; |
| unsigned long flags; |
| int rc = -EIO; |
| |
| spin_lock_irqsave(&this->lock, flags); |
| if (wl3501_esbq_req_test(this)) { |
| u16 ptr = wl3501_get_tx_buffer(this, sizeof(sig)); |
| if (ptr) { |
| wl3501_set_to_wla(this, ptr, &sig, sizeof(sig)); |
| wl3501_esbq_req(this, &ptr); |
| this->sig_get_confirm.mib_status = 255; |
| rc = 0; |
| } |
| } |
| spin_unlock_irqrestore(&this->lock, flags); |
| |
| return rc; |
| } |
| |
| static int wl3501_get_mib_value(struct wl3501_card *this, u8 index, |
| void *bf, int size) |
| { |
| int rc; |
| |
| rc = wl3501_request_mib(this, index, bf); |
| if (rc) |
| return rc; |
| |
| rc = wait_event_interruptible(this->wait, |
| this->sig_get_confirm.mib_status != 255); |
| if (rc) |
| return rc; |
| |
| memcpy(bf, this->sig_get_confirm.mib_value, size); |
| return 0; |
| } |
| |
| static int wl3501_pwr_mgmt(struct wl3501_card *this, int suspend) |
| { |
| struct wl3501_pwr_mgmt_req sig = { |
| .sig_id = WL3501_SIG_PWR_MGMT_REQ, |
| .pwr_save = suspend, |
| .wake_up = !suspend, |
| .receive_dtims = 10, |
| }; |
| unsigned long flags; |
| int rc = -EIO; |
| |
| spin_lock_irqsave(&this->lock, flags); |
| if (wl3501_esbq_req_test(this)) { |
| u16 ptr = wl3501_get_tx_buffer(this, sizeof(sig)); |
| if (ptr) { |
| wl3501_set_to_wla(this, ptr, &sig, sizeof(sig)); |
| wl3501_esbq_req(this, &ptr); |
| this->sig_pwr_mgmt_confirm.status = 255; |
| spin_unlock_irqrestore(&this->lock, flags); |
| rc = wait_event_interruptible(this->wait, |
| this->sig_pwr_mgmt_confirm.status != 255); |
| printk(KERN_INFO "%s: %s status=%d\n", __func__, |
| suspend ? "suspend" : "resume", |
| this->sig_pwr_mgmt_confirm.status); |
| goto out; |
| } |
| } |
| spin_unlock_irqrestore(&this->lock, flags); |
| out: |
| return rc; |
| } |
| |
| /** |
| * wl3501_send_pkt - Send a packet. |
| * @this - card |
| * |
| * Send a packet. |
| * |
| * data = Ethernet raw frame. (e.g. data[0] - data[5] is Dest MAC Addr, |
| * data[6] - data[11] is Src MAC Addr) |
| * Ref: IEEE 802.11 |
| */ |
| static int wl3501_send_pkt(struct wl3501_card *this, u8 *data, u16 len) |
| { |
| u16 bf, sig_bf, next, tmplen, pktlen; |
| struct wl3501_md_req sig = { |
| .sig_id = WL3501_SIG_MD_REQ, |
| }; |
| u8 *pdata = (char *)data; |
| int rc = -EIO; |
| |
| if (wl3501_esbq_req_test(this)) { |
| sig_bf = wl3501_get_tx_buffer(this, sizeof(sig)); |
| rc = -ENOMEM; |
| if (!sig_bf) /* No free buffer available */ |
| goto out; |
| bf = wl3501_get_tx_buffer(this, len + 26 + 24); |
| if (!bf) { |
| /* No free buffer available */ |
| wl3501_free_tx_buffer(this, sig_bf); |
| goto out; |
| } |
| rc = 0; |
| memcpy(&sig.daddr[0], pdata, 12); |
| pktlen = len - 12; |
| pdata += 12; |
| sig.data = bf; |
| if (((*pdata) * 256 + (*(pdata + 1))) > 1500) { |
| u8 addr4[ETH_ALEN] = { |
| [0] = 0xAA, [1] = 0xAA, [2] = 0x03, [4] = 0x00, |
| }; |
| |
| wl3501_set_to_wla(this, bf + 2 + |
| offsetof(struct wl3501_tx_hdr, addr4), |
| addr4, sizeof(addr4)); |
| sig.size = pktlen + 24 + 4 + 6; |
| if (pktlen > (254 - sizeof(struct wl3501_tx_hdr))) { |
| tmplen = 254 - sizeof(struct wl3501_tx_hdr); |
| pktlen -= tmplen; |
| } else { |
| tmplen = pktlen; |
| pktlen = 0; |
| } |
| wl3501_set_to_wla(this, |
| bf + 2 + sizeof(struct wl3501_tx_hdr), |
| pdata, tmplen); |
| pdata += tmplen; |
| wl3501_get_from_wla(this, bf, &next, sizeof(next)); |
| bf = next; |
| } else { |
| sig.size = pktlen + 24 + 4 - 2; |
| pdata += 2; |
| pktlen -= 2; |
| if (pktlen > (254 - sizeof(struct wl3501_tx_hdr) + 6)) { |
| tmplen = 254 - sizeof(struct wl3501_tx_hdr) + 6; |
| pktlen -= tmplen; |
| } else { |
| tmplen = pktlen; |
| pktlen = 0; |
| } |
| wl3501_set_to_wla(this, bf + 2 + |
| offsetof(struct wl3501_tx_hdr, addr4), |
| pdata, tmplen); |
| pdata += tmplen; |
| wl3501_get_from_wla(this, bf, &next, sizeof(next)); |
| bf = next; |
| } |
| while (pktlen > 0) { |
| if (pktlen > 254) { |
| tmplen = 254; |
| pktlen -= 254; |
| } else { |
| tmplen = pktlen; |
| pktlen = 0; |
| } |
| wl3501_set_to_wla(this, bf + 2, pdata, tmplen); |
| pdata += tmplen; |
| wl3501_get_from_wla(this, bf, &next, sizeof(next)); |
| bf = next; |
| } |
| wl3501_set_to_wla(this, sig_bf, &sig, sizeof(sig)); |
| wl3501_esbq_req(this, &sig_bf); |
| } |
| out: |
| return rc; |
| } |
| |
| static int wl3501_mgmt_resync(struct wl3501_card *this) |
| { |
| struct wl3501_resync_req sig = { |
| .sig_id = WL3501_SIG_RESYNC_REQ, |
| }; |
| |
| return wl3501_esbq_exec(this, &sig, sizeof(sig)); |
| } |
| |
| static inline int wl3501_fw_bss_type(struct wl3501_card *this) |
| { |
| return this->net_type == IW_MODE_INFRA ? WL3501_NET_TYPE_INFRA : |
| WL3501_NET_TYPE_ADHOC; |
| } |
| |
| static inline int wl3501_fw_cap_info(struct wl3501_card *this) |
| { |
| return this->net_type == IW_MODE_INFRA ? WL3501_MGMT_CAPABILITY_ESS : |
| WL3501_MGMT_CAPABILITY_IBSS; |
| } |
| |
| static int wl3501_mgmt_scan(struct wl3501_card *this, u16 chan_time) |
| { |
| struct wl3501_scan_req sig = { |
| .sig_id = WL3501_SIG_SCAN_REQ, |
| .scan_type = WL3501_SCAN_TYPE_ACTIVE, |
| .probe_delay = 0x10, |
| .min_chan_time = chan_time, |
| .max_chan_time = chan_time, |
| .bss_type = wl3501_fw_bss_type(this), |
| }; |
| |
| this->bss_cnt = this->join_sta_bss = 0; |
| return wl3501_esbq_exec(this, &sig, sizeof(sig)); |
| } |
| |
| static int wl3501_mgmt_join(struct wl3501_card *this, u16 stas) |
| { |
| struct wl3501_join_req sig = { |
| .sig_id = WL3501_SIG_JOIN_REQ, |
| .timeout = 10, |
| .ds_pset = { |
| .el = { |
| .id = IW_MGMT_INFO_ELEMENT_DS_PARAMETER_SET, |
| .len = 1, |
| }, |
| .chan = this->chan, |
| }, |
| }; |
| |
| memcpy(&sig.beacon_period, &this->bss_set[stas].beacon_period, 72); |
| return wl3501_esbq_exec(this, &sig, sizeof(sig)); |
| } |
| |
| static int wl3501_mgmt_start(struct wl3501_card *this) |
| { |
| struct wl3501_start_req sig = { |
| .sig_id = WL3501_SIG_START_REQ, |
| .beacon_period = 400, |
| .dtim_period = 1, |
| .ds_pset = { |
| .el = { |
| .id = IW_MGMT_INFO_ELEMENT_DS_PARAMETER_SET, |
| .len = 1, |
| }, |
| .chan = this->chan, |
| }, |
| .bss_basic_rset = { |
| .el = { |
| .id = IW_MGMT_INFO_ELEMENT_SUPPORTED_RATES, |
| .len = 2, |
| }, |
| .data_rate_labels = { |
| [0] = IW_MGMT_RATE_LABEL_MANDATORY | |
| IW_MGMT_RATE_LABEL_1MBIT, |
| [1] = IW_MGMT_RATE_LABEL_MANDATORY | |
| IW_MGMT_RATE_LABEL_2MBIT, |
| }, |
| }, |
| .operational_rset = { |
| .el = { |
| .id = IW_MGMT_INFO_ELEMENT_SUPPORTED_RATES, |
| .len = 2, |
| }, |
| .data_rate_labels = { |
| [0] = IW_MGMT_RATE_LABEL_MANDATORY | |
| IW_MGMT_RATE_LABEL_1MBIT, |
| [1] = IW_MGMT_RATE_LABEL_MANDATORY | |
| IW_MGMT_RATE_LABEL_2MBIT, |
| }, |
| }, |
| .ibss_pset = { |
| .el = { |
| .id = IW_MGMT_INFO_ELEMENT_IBSS_PARAMETER_SET, |
| .len = 2, |
| }, |
| .atim_window = 10, |
| }, |
| .bss_type = wl3501_fw_bss_type(this), |
| .cap_info = wl3501_fw_cap_info(this), |
| }; |
| |
| iw_copy_mgmt_info_element(&sig.ssid.el, &this->essid.el); |
| iw_copy_mgmt_info_element(&this->keep_essid.el, &this->essid.el); |
| return wl3501_esbq_exec(this, &sig, sizeof(sig)); |
| } |
| |
| static void wl3501_mgmt_scan_confirm(struct wl3501_card *this, u16 addr) |
| { |
| u16 i = 0; |
| int matchflag = 0; |
| struct wl3501_scan_confirm sig; |
| |
| pr_debug("entry"); |
| wl3501_get_from_wla(this, addr, &sig, sizeof(sig)); |
| if (sig.status == WL3501_STATUS_SUCCESS) { |
| pr_debug("success"); |
| if ((this->net_type == IW_MODE_INFRA && |
| (sig.cap_info & WL3501_MGMT_CAPABILITY_ESS)) || |
| (this->net_type == IW_MODE_ADHOC && |
| (sig.cap_info & WL3501_MGMT_CAPABILITY_IBSS)) || |
| this->net_type == IW_MODE_AUTO) { |
| if (!this->essid.el.len) |
| matchflag = 1; |
| else if (this->essid.el.len == 3 && |
| !memcmp(this->essid.essid, "ANY", 3)) |
| matchflag = 1; |
| else if (this->essid.el.len != sig.ssid.el.len) |
| matchflag = 0; |
| else if (memcmp(this->essid.essid, sig.ssid.essid, |
| this->essid.el.len)) |
| matchflag = 0; |
| else |
| matchflag = 1; |
| if (matchflag) { |
| for (i = 0; i < this->bss_cnt; i++) { |
| if (ether_addr_equal_unaligned(this->bss_set[i].bssid, sig.bssid)) { |
| matchflag = 0; |
| break; |
| } |
| } |
| } |
| if (matchflag && (i < 20)) { |
| memcpy(&this->bss_set[i].beacon_period, |
| &sig.beacon_period, 73); |
| this->bss_cnt++; |
| this->rssi = sig.rssi; |
| } |
| } |
| } else if (sig.status == WL3501_STATUS_TIMEOUT) { |
| pr_debug("timeout"); |
| this->join_sta_bss = 0; |
| for (i = this->join_sta_bss; i < this->bss_cnt; i++) |
| if (!wl3501_mgmt_join(this, i)) |
| break; |
| this->join_sta_bss = i; |
| if (this->join_sta_bss == this->bss_cnt) { |
| if (this->net_type == IW_MODE_INFRA) |
| wl3501_mgmt_scan(this, 100); |
| else { |
| this->adhoc_times++; |
| if (this->adhoc_times > WL3501_MAX_ADHOC_TRIES) |
| wl3501_mgmt_start(this); |
| else |
| wl3501_mgmt_scan(this, 100); |
| } |
| } |
| } |
| } |
| |
| /** |
| * wl3501_block_interrupt - Mask interrupt from SUTRO |
| * @this - card |
| * |
| * Mask interrupt from SUTRO. (i.e. SUTRO cannot interrupt the HOST) |
| * Return: 1 if interrupt is originally enabled |
| */ |
| static int wl3501_block_interrupt(struct wl3501_card *this) |
| { |
| u8 old = inb(this->base_addr + WL3501_NIC_GCR); |
| u8 new = old & (~(WL3501_GCR_ECINT | WL3501_GCR_INT2EC | |
| WL3501_GCR_ENECINT)); |
| |
| wl3501_outb(new, this->base_addr + WL3501_NIC_GCR); |
| return old & WL3501_GCR_ENECINT; |
| } |
| |
| /** |
| * wl3501_unblock_interrupt - Enable interrupt from SUTRO |
| * @this - card |
| * |
| * Enable interrupt from SUTRO. (i.e. SUTRO can interrupt the HOST) |
| * Return: 1 if interrupt is originally enabled |
| */ |
| static int wl3501_unblock_interrupt(struct wl3501_card *this) |
| { |
| u8 old = inb(this->base_addr + WL3501_NIC_GCR); |
| u8 new = (old & ~(WL3501_GCR_ECINT | WL3501_GCR_INT2EC)) | |
| WL3501_GCR_ENECINT; |
| |
| wl3501_outb(new, this->base_addr + WL3501_NIC_GCR); |
| return old & WL3501_GCR_ENECINT; |
| } |
| |
| /** |
| * wl3501_receive - Receive data from Receive Queue. |
| * |
| * Receive data from Receive Queue. |
| * |
| * @this: card |
| * @bf: address of host |
| * @size: size of buffer. |
| */ |
| static u16 wl3501_receive(struct wl3501_card *this, u8 *bf, u16 size) |
| { |
| u16 next_addr, next_addr1; |
| u8 *data = bf + 12; |
| |
| size -= 12; |
| wl3501_get_from_wla(this, this->start_seg + 2, |
| &next_addr, sizeof(next_addr)); |
| if (size > WL3501_BLKSZ - sizeof(struct wl3501_rx_hdr)) { |
| wl3501_get_from_wla(this, |
| this->start_seg + |
| sizeof(struct wl3501_rx_hdr), data, |
| WL3501_BLKSZ - |
| sizeof(struct wl3501_rx_hdr)); |
| size -= WL3501_BLKSZ - sizeof(struct wl3501_rx_hdr); |
| data += WL3501_BLKSZ - sizeof(struct wl3501_rx_hdr); |
| } else { |
| wl3501_get_from_wla(this, |
| this->start_seg + |
| sizeof(struct wl3501_rx_hdr), |
| data, size); |
| size = 0; |
| } |
| while (size > 0) { |
| if (size > WL3501_BLKSZ - 5) { |
| wl3501_get_from_wla(this, next_addr + 5, data, |
| WL3501_BLKSZ - 5); |
| size -= WL3501_BLKSZ - 5; |
| data += WL3501_BLKSZ - 5; |
| wl3501_get_from_wla(this, next_addr + 2, &next_addr1, |
| sizeof(next_addr1)); |
| next_addr = next_addr1; |
| } else { |
| wl3501_get_from_wla(this, next_addr + 5, data, size); |
| size = 0; |
| } |
| } |
| return 0; |
| } |
| |
| static void wl3501_esbq_req_free(struct wl3501_card *this) |
| { |
| u8 tmp; |
| u16 addr; |
| |
| if (this->esbq_req_head == this->esbq_req_tail) |
| goto out; |
| wl3501_get_from_wla(this, this->esbq_req_tail + 3, &tmp, sizeof(tmp)); |
| if (!(tmp & 0x80)) |
| goto out; |
| wl3501_get_from_wla(this, this->esbq_req_tail, &addr, sizeof(addr)); |
| wl3501_free_tx_buffer(this, addr); |
| this->esbq_req_tail += 4; |
| if (this->esbq_req_tail >= this->esbq_req_end) |
| this->esbq_req_tail = this->esbq_req_start; |
| out: |
| return; |
| } |
| |
| static int wl3501_esbq_confirm(struct wl3501_card *this) |
| { |
| u8 tmp; |
| |
| wl3501_get_from_wla(this, this->esbq_confirm + 3, &tmp, sizeof(tmp)); |
| return tmp & 0x80; |
| } |
| |
| static void wl3501_online(struct net_device *dev) |
| { |
| struct wl3501_card *this = netdev_priv(dev); |
| |
| printk(KERN_INFO "%s: Wireless LAN online. BSSID: %pM\n", |
| dev->name, this->bssid); |
| netif_wake_queue(dev); |
| } |
| |
| static void wl3501_esbq_confirm_done(struct wl3501_card *this) |
| { |
| u8 tmp = 0; |
| |
| wl3501_set_to_wla(this, this->esbq_confirm + 3, &tmp, sizeof(tmp)); |
| this->esbq_confirm += 4; |
| if (this->esbq_confirm >= this->esbq_confirm_end) |
| this->esbq_confirm = this->esbq_confirm_start; |
| } |
| |
| static int wl3501_mgmt_auth(struct wl3501_card *this) |
| { |
| struct wl3501_auth_req sig = { |
| .sig_id = WL3501_SIG_AUTH_REQ, |
| .type = WL3501_SYS_TYPE_OPEN, |
| .timeout = 1000, |
| }; |
| |
| pr_debug("entry"); |
| memcpy(sig.mac_addr, this->bssid, ETH_ALEN); |
| return wl3501_esbq_exec(this, &sig, sizeof(sig)); |
| } |
| |
| static int wl3501_mgmt_association(struct wl3501_card *this) |
| { |
| struct wl3501_assoc_req sig = { |
| .sig_id = WL3501_SIG_ASSOC_REQ, |
| .timeout = 1000, |
| .listen_interval = 5, |
| .cap_info = this->cap_info, |
| }; |
| |
| pr_debug("entry"); |
| memcpy(sig.mac_addr, this->bssid, ETH_ALEN); |
| return wl3501_esbq_exec(this, &sig, sizeof(sig)); |
| } |
| |
| static void wl3501_mgmt_join_confirm(struct net_device *dev, u16 addr) |
| { |
| struct wl3501_card *this = netdev_priv(dev); |
| struct wl3501_join_confirm sig; |
| |
| pr_debug("entry"); |
| wl3501_get_from_wla(this, addr, &sig, sizeof(sig)); |
| if (sig.status == WL3501_STATUS_SUCCESS) { |
| if (this->net_type == IW_MODE_INFRA) { |
| if (this->join_sta_bss < this->bss_cnt) { |
| const int i = this->join_sta_bss; |
| memcpy(this->bssid, |
| this->bss_set[i].bssid, ETH_ALEN); |
| this->chan = this->bss_set[i].ds_pset.chan; |
| iw_copy_mgmt_info_element(&this->keep_essid.el, |
| &this->bss_set[i].ssid.el); |
| wl3501_mgmt_auth(this); |
| } |
| } else { |
| const int i = this->join_sta_bss; |
| |
| memcpy(&this->bssid, &this->bss_set[i].bssid, ETH_ALEN); |
| this->chan = this->bss_set[i].ds_pset.chan; |
| iw_copy_mgmt_info_element(&this->keep_essid.el, |
| &this->bss_set[i].ssid.el); |
| wl3501_online(dev); |
| } |
| } else { |
| int i; |
| this->join_sta_bss++; |
| for (i = this->join_sta_bss; i < this->bss_cnt; i++) |
| if (!wl3501_mgmt_join(this, i)) |
| break; |
| this->join_sta_bss = i; |
| if (this->join_sta_bss == this->bss_cnt) { |
| if (this->net_type == IW_MODE_INFRA) |
| wl3501_mgmt_scan(this, 100); |
| else { |
| this->adhoc_times++; |
| if (this->adhoc_times > WL3501_MAX_ADHOC_TRIES) |
| wl3501_mgmt_start(this); |
| else |
| wl3501_mgmt_scan(this, 100); |
| } |
| } |
| } |
| } |
| |
| static inline void wl3501_alarm_interrupt(struct net_device *dev, |
| struct wl3501_card *this) |
| { |
| if (this->net_type == IW_MODE_INFRA) { |
| printk(KERN_INFO "Wireless LAN offline\n"); |
| netif_stop_queue(dev); |
| wl3501_mgmt_resync(this); |
| } |
| } |
| |
| static inline void wl3501_md_confirm_interrupt(struct net_device *dev, |
| struct wl3501_card *this, |
| u16 addr) |
| { |
| struct wl3501_md_confirm sig; |
| |
| pr_debug("entry"); |
| wl3501_get_from_wla(this, addr, &sig, sizeof(sig)); |
| wl3501_free_tx_buffer(this, sig.data); |
| if (netif_queue_stopped(dev)) |
| netif_wake_queue(dev); |
| } |
| |
| static inline void wl3501_md_ind_interrupt(struct net_device *dev, |
| struct wl3501_card *this, u16 addr) |
| { |
| struct wl3501_md_ind sig; |
| struct sk_buff *skb; |
| u8 rssi, addr4[ETH_ALEN]; |
| u16 pkt_len; |
| |
| wl3501_get_from_wla(this, addr, &sig, sizeof(sig)); |
| this->start_seg = sig.data; |
| wl3501_get_from_wla(this, |
| sig.data + offsetof(struct wl3501_rx_hdr, rssi), |
| &rssi, sizeof(rssi)); |
| this->rssi = rssi <= 63 ? (rssi * 100) / 64 : 255; |
| |
| wl3501_get_from_wla(this, |
| sig.data + |
| offsetof(struct wl3501_rx_hdr, addr4), |
| &addr4, sizeof(addr4)); |
| if (!(addr4[0] == 0xAA && addr4[1] == 0xAA && |
| addr4[2] == 0x03 && addr4[4] == 0x00)) { |
| printk(KERN_INFO "Unsupported packet type!\n"); |
| return; |
| } |
| pkt_len = sig.size + 12 - 24 - 4 - 6; |
| |
| skb = dev_alloc_skb(pkt_len + 5); |
| |
| if (!skb) { |
| printk(KERN_WARNING "%s: Can't alloc a sk_buff of size %d.\n", |
| dev->name, pkt_len); |
| dev->stats.rx_dropped++; |
| } else { |
| skb->dev = dev; |
| skb_reserve(skb, 2); /* IP headers on 16 bytes boundaries */ |
| skb_copy_to_linear_data(skb, (unsigned char *)&sig.daddr, 12); |
| wl3501_receive(this, skb->data, pkt_len); |
| skb_put(skb, pkt_len); |
| skb->protocol = eth_type_trans(skb, dev); |
| dev->stats.rx_packets++; |
| dev->stats.rx_bytes += skb->len; |
| netif_rx(skb); |
| } |
| } |
| |
| static inline void wl3501_get_confirm_interrupt(struct wl3501_card *this, |
| u16 addr, void *sig, int size) |
| { |
| pr_debug("entry"); |
| wl3501_get_from_wla(this, addr, &this->sig_get_confirm, |
| sizeof(this->sig_get_confirm)); |
| wake_up(&this->wait); |
| } |
| |
| static inline void wl3501_start_confirm_interrupt(struct net_device *dev, |
| struct wl3501_card *this, |
| u16 addr) |
| { |
| struct wl3501_start_confirm sig; |
| |
| pr_debug("entry"); |
| wl3501_get_from_wla(this, addr, &sig, sizeof(sig)); |
| if (sig.status == WL3501_STATUS_SUCCESS) |
| netif_wake_queue(dev); |
| } |
| |
| static inline void wl3501_assoc_confirm_interrupt(struct net_device *dev, |
| u16 addr) |
| { |
| struct wl3501_card *this = netdev_priv(dev); |
| struct wl3501_assoc_confirm sig; |
| |
| pr_debug("entry"); |
| wl3501_get_from_wla(this, addr, &sig, sizeof(sig)); |
| |
| if (sig.status == WL3501_STATUS_SUCCESS) |
| wl3501_online(dev); |
| } |
| |
| static inline void wl3501_auth_confirm_interrupt(struct wl3501_card *this, |
| u16 addr) |
| { |
| struct wl3501_auth_confirm sig; |
| |
| pr_debug("entry"); |
| wl3501_get_from_wla(this, addr, &sig, sizeof(sig)); |
| |
| if (sig.status == WL3501_STATUS_SUCCESS) |
| wl3501_mgmt_association(this); |
| else |
| wl3501_mgmt_resync(this); |
| } |
| |
| static inline void wl3501_rx_interrupt(struct net_device *dev) |
| { |
| int morepkts; |
| u16 addr; |
| u8 sig_id; |
| struct wl3501_card *this = netdev_priv(dev); |
| |
| pr_debug("entry"); |
| loop: |
| morepkts = 0; |
| if (!wl3501_esbq_confirm(this)) |
| goto free; |
| wl3501_get_from_wla(this, this->esbq_confirm, &addr, sizeof(addr)); |
| wl3501_get_from_wla(this, addr + 2, &sig_id, sizeof(sig_id)); |
| |
| switch (sig_id) { |
| case WL3501_SIG_DEAUTH_IND: |
| case WL3501_SIG_DISASSOC_IND: |
| case WL3501_SIG_ALARM: |
| wl3501_alarm_interrupt(dev, this); |
| break; |
| case WL3501_SIG_MD_CONFIRM: |
| wl3501_md_confirm_interrupt(dev, this, addr); |
| break; |
| case WL3501_SIG_MD_IND: |
| wl3501_md_ind_interrupt(dev, this, addr); |
| break; |
| case WL3501_SIG_GET_CONFIRM: |
| wl3501_get_confirm_interrupt(this, addr, |
| &this->sig_get_confirm, |
| sizeof(this->sig_get_confirm)); |
| break; |
| case WL3501_SIG_PWR_MGMT_CONFIRM: |
| wl3501_get_confirm_interrupt(this, addr, |
| &this->sig_pwr_mgmt_confirm, |
| sizeof(this->sig_pwr_mgmt_confirm)); |
| break; |
| case WL3501_SIG_START_CONFIRM: |
| wl3501_start_confirm_interrupt(dev, this, addr); |
| break; |
| case WL3501_SIG_SCAN_CONFIRM: |
| wl3501_mgmt_scan_confirm(this, addr); |
| break; |
| case WL3501_SIG_JOIN_CONFIRM: |
| wl3501_mgmt_join_confirm(dev, addr); |
| break; |
| case WL3501_SIG_ASSOC_CONFIRM: |
| wl3501_assoc_confirm_interrupt(dev, addr); |
| break; |
| case WL3501_SIG_AUTH_CONFIRM: |
| wl3501_auth_confirm_interrupt(this, addr); |
| break; |
| case WL3501_SIG_RESYNC_CONFIRM: |
| wl3501_mgmt_resync(this); /* FIXME: should be resync_confirm */ |
| break; |
| } |
| wl3501_esbq_confirm_done(this); |
| morepkts = 1; |
| /* free request if necessary */ |
| free: |
| wl3501_esbq_req_free(this); |
| if (morepkts) |
| goto loop; |
| } |
| |
| static inline void wl3501_ack_interrupt(struct wl3501_card *this) |
| { |
| wl3501_outb(WL3501_GCR_ECINT, this->base_addr + WL3501_NIC_GCR); |
| } |
| |
| /** |
| * wl3501_interrupt - Hardware interrupt from card. |
| * @irq - Interrupt number |
| * @dev_id - net_device |
| * |
| * We must acknowledge the interrupt as soon as possible, and block the |
| * interrupt from the same card immediately to prevent re-entry. |
| * |
| * Before accessing the Control_Status_Block, we must lock SUTRO first. |
| * On the other hand, to prevent SUTRO from malfunctioning, we must |
| * unlock the SUTRO as soon as possible. |
| */ |
| static irqreturn_t wl3501_interrupt(int irq, void *dev_id) |
| { |
| struct net_device *dev = dev_id; |
| struct wl3501_card *this; |
| |
| this = netdev_priv(dev); |
| spin_lock(&this->lock); |
| wl3501_ack_interrupt(this); |
| wl3501_block_interrupt(this); |
| wl3501_rx_interrupt(dev); |
| wl3501_unblock_interrupt(this); |
| spin_unlock(&this->lock); |
| |
| return IRQ_HANDLED; |
| } |
| |
| static int wl3501_reset_board(struct wl3501_card *this) |
| { |
| u8 tmp = 0; |
| int i, rc = 0; |
| |
| /* Coreset */ |
| wl3501_outb_p(WL3501_GCR_CORESET, this->base_addr + WL3501_NIC_GCR); |
| wl3501_outb_p(0, this->base_addr + WL3501_NIC_GCR); |
| wl3501_outb_p(WL3501_GCR_CORESET, this->base_addr + WL3501_NIC_GCR); |
| |
| /* Reset SRAM 0x480 to zero */ |
| wl3501_set_to_wla(this, 0x480, &tmp, sizeof(tmp)); |
| |
| /* Start up */ |
| wl3501_outb_p(0, this->base_addr + WL3501_NIC_GCR); |
| |
| WL3501_NOPLOOP(1024 * 50); |
| |
| wl3501_unblock_interrupt(this); /* acme: was commented */ |
| |
| /* Polling Self_Test_Status */ |
| for (i = 0; i < 10000; i++) { |
| wl3501_get_from_wla(this, 0x480, &tmp, sizeof(tmp)); |
| |
| if (tmp == 'W') { |
| /* firmware complete all test successfully */ |
| tmp = 'A'; |
| wl3501_set_to_wla(this, 0x480, &tmp, sizeof(tmp)); |
| goto out; |
| } |
| WL3501_NOPLOOP(10); |
| } |
| printk(KERN_WARNING "%s: failed to reset the board!\n", __func__); |
| rc = -ENODEV; |
| out: |
| return rc; |
| } |
| |
| static int wl3501_init_firmware(struct wl3501_card *this) |
| { |
| u16 ptr, next; |
| int rc = wl3501_reset_board(this); |
| |
| if (rc) |
| goto fail; |
| this->card_name[0] = '\0'; |
| wl3501_get_from_wla(this, 0x1a00, |
| this->card_name, sizeof(this->card_name)); |
| this->card_name[sizeof(this->card_name) - 1] = '\0'; |
| this->firmware_date[0] = '\0'; |
| wl3501_get_from_wla(this, 0x1a40, |
| this->firmware_date, sizeof(this->firmware_date)); |
| this->firmware_date[sizeof(this->firmware_date) - 1] = '\0'; |
| /* Switch to SRAM Page 0 */ |
| wl3501_switch_page(this, WL3501_BSS_SPAGE0); |
| /* Read parameter from card */ |
| wl3501_get_from_wla(this, 0x482, &this->esbq_req_start, 2); |
| wl3501_get_from_wla(this, 0x486, &this->esbq_req_end, 2); |
| wl3501_get_from_wla(this, 0x488, &this->esbq_confirm_start, 2); |
| wl3501_get_from_wla(this, 0x48c, &this->esbq_confirm_end, 2); |
| wl3501_get_from_wla(this, 0x48e, &this->tx_buffer_head, 2); |
| wl3501_get_from_wla(this, 0x492, &this->tx_buffer_size, 2); |
| this->esbq_req_tail = this->esbq_req_head = this->esbq_req_start; |
| this->esbq_req_end += this->esbq_req_start; |
| this->esbq_confirm = this->esbq_confirm_start; |
| this->esbq_confirm_end += this->esbq_confirm_start; |
| /* Initial Tx Buffer */ |
| this->tx_buffer_cnt = 1; |
| ptr = this->tx_buffer_head; |
| next = ptr + WL3501_BLKSZ; |
| while ((next - this->tx_buffer_head) < this->tx_buffer_size) { |
| this->tx_buffer_cnt++; |
| wl3501_set_to_wla(this, ptr, &next, sizeof(next)); |
| ptr = next; |
| next = ptr + WL3501_BLKSZ; |
| } |
| rc = 0; |
| next = 0; |
| wl3501_set_to_wla(this, ptr, &next, sizeof(next)); |
| this->tx_buffer_tail = ptr; |
| out: |
| return rc; |
| fail: |
| printk(KERN_WARNING "%s: failed!\n", __func__); |
| goto out; |
| } |
| |
| static int wl3501_close(struct net_device *dev) |
| { |
| struct wl3501_card *this = netdev_priv(dev); |
| unsigned long flags; |
| struct pcmcia_device *link; |
| link = this->p_dev; |
| |
| spin_lock_irqsave(&this->lock, flags); |
| link->open--; |
| |
| /* Stop wl3501_hard_start_xmit() from now on */ |
| netif_stop_queue(dev); |
| wl3501_ack_interrupt(this); |
| |
| /* Mask interrupts from the SUTRO */ |
| wl3501_block_interrupt(this); |
| |
| printk(KERN_INFO "%s: WL3501 closed\n", dev->name); |
| spin_unlock_irqrestore(&this->lock, flags); |
| return 0; |
| } |
| |
| /** |
| * wl3501_reset - Reset the SUTRO. |
| * @dev - network device |
| * |
| * It is almost the same as wl3501_open(). In fact, we may just wl3501_close() |
| * and wl3501_open() again, but I wouldn't like to free_irq() when the driver |
| * is running. It seems to be dangerous. |
| */ |
| static int wl3501_reset(struct net_device *dev) |
| { |
| struct wl3501_card *this = netdev_priv(dev); |
| int rc = -ENODEV; |
| unsigned long flags; |
| |
| spin_lock_irqsave(&this->lock, flags); |
| wl3501_block_interrupt(this); |
| |
| if (wl3501_init_firmware(this)) { |
| printk(KERN_WARNING "%s: Can't initialize Firmware!\n", |
| dev->name); |
| /* Free IRQ, and mark IRQ as unused */ |
| free_irq(dev->irq, dev); |
| goto out; |
| } |
| |
| /* |
| * Queue has to be started only when the Card is Started |
| */ |
| netif_stop_queue(dev); |
| this->adhoc_times = 0; |
| wl3501_ack_interrupt(this); |
| wl3501_unblock_interrupt(this); |
| wl3501_mgmt_scan(this, 100); |
| pr_debug("%s: device reset", dev->name); |
| rc = 0; |
| out: |
| spin_unlock_irqrestore(&this->lock, flags); |
| return rc; |
| } |
| |
| static void wl3501_tx_timeout(struct net_device *dev) |
| { |
| struct net_device_stats *stats = &dev->stats; |
| int rc; |
| |
| stats->tx_errors++; |
| rc = wl3501_reset(dev); |
| if (rc) |
| printk(KERN_ERR "%s: Error %d resetting card on Tx timeout!\n", |
| dev->name, rc); |
| else { |
| netif_trans_update(dev); /* prevent tx timeout */ |
| netif_wake_queue(dev); |
| } |
| } |
| |
| /* |
| * Return : 0 - OK |
| * 1 - Could not transmit (dev_queue_xmit will queue it) |
| * and try to sent it later |
| */ |
| static netdev_tx_t wl3501_hard_start_xmit(struct sk_buff *skb, |
| struct net_device *dev) |
| { |
| int enabled, rc; |
| struct wl3501_card *this = netdev_priv(dev); |
| unsigned long flags; |
| |
| spin_lock_irqsave(&this->lock, flags); |
| enabled = wl3501_block_interrupt(this); |
| rc = wl3501_send_pkt(this, skb->data, skb->len); |
| if (enabled) |
| wl3501_unblock_interrupt(this); |
| if (rc) { |
| ++dev->stats.tx_dropped; |
| netif_stop_queue(dev); |
| } else { |
| ++dev->stats.tx_packets; |
| dev->stats.tx_bytes += skb->len; |
| kfree_skb(skb); |
| |
| if (this->tx_buffer_cnt < 2) |
| netif_stop_queue(dev); |
| } |
| spin_unlock_irqrestore(&this->lock, flags); |
| return NETDEV_TX_OK; |
| } |
| |
| static int wl3501_open(struct net_device *dev) |
| { |
| int rc = -ENODEV; |
| struct wl3501_card *this = netdev_priv(dev); |
| unsigned long flags; |
| struct pcmcia_device *link; |
| link = this->p_dev; |
| |
| spin_lock_irqsave(&this->lock, flags); |
| if (!pcmcia_dev_present(link)) |
| goto out; |
| netif_device_attach(dev); |
| link->open++; |
| |
| /* Initial WL3501 firmware */ |
| pr_debug("%s: Initialize WL3501 firmware...", dev->name); |
| if (wl3501_init_firmware(this)) |
| goto fail; |
| /* Initial device variables */ |
| this->adhoc_times = 0; |
| /* Acknowledge Interrupt, for cleaning last state */ |
| wl3501_ack_interrupt(this); |
| |
| /* Enable interrupt from card after all */ |
| wl3501_unblock_interrupt(this); |
| wl3501_mgmt_scan(this, 100); |
| rc = 0; |
| pr_debug("%s: WL3501 opened", dev->name); |
| printk(KERN_INFO "%s: Card Name: %s\n" |
| "%s: Firmware Date: %s\n", |
| dev->name, this->card_name, |
| dev->name, this->firmware_date); |
| out: |
| spin_unlock_irqrestore(&this->lock, flags); |
| return rc; |
| fail: |
| printk(KERN_WARNING "%s: Can't initialize firmware!\n", dev->name); |
| goto out; |
| } |
| |
| static struct iw_statistics *wl3501_get_wireless_stats(struct net_device *dev) |
| { |
| struct wl3501_card *this = netdev_priv(dev); |
| struct iw_statistics *wstats = &this->wstats; |
| u32 value; /* size checked: it is u32 */ |
| |
| memset(wstats, 0, sizeof(*wstats)); |
| wstats->status = netif_running(dev); |
| if (!wl3501_get_mib_value(this, WL3501_MIB_ATTR_WEP_ICV_ERROR_COUNT, |
| &value, sizeof(value))) |
| wstats->discard.code += value; |
| if (!wl3501_get_mib_value(this, WL3501_MIB_ATTR_WEP_UNDECRYPTABLE_COUNT, |
| &value, sizeof(value))) |
| wstats->discard.code += value; |
| if (!wl3501_get_mib_value(this, WL3501_MIB_ATTR_WEP_EXCLUDED_COUNT, |
| &value, sizeof(value))) |
| wstats->discard.code += value; |
| if (!wl3501_get_mib_value(this, WL3501_MIB_ATTR_RETRY_COUNT, |
| &value, sizeof(value))) |
| wstats->discard.retries = value; |
| if (!wl3501_get_mib_value(this, WL3501_MIB_ATTR_FAILED_COUNT, |
| &value, sizeof(value))) |
| wstats->discard.misc += value; |
| if (!wl3501_get_mib_value(this, WL3501_MIB_ATTR_RTS_FAILURE_COUNT, |
| &value, sizeof(value))) |
| wstats->discard.misc += value; |
| if (!wl3501_get_mib_value(this, WL3501_MIB_ATTR_ACK_FAILURE_COUNT, |
| &value, sizeof(value))) |
| wstats->discard.misc += value; |
| if (!wl3501_get_mib_value(this, WL3501_MIB_ATTR_FRAME_DUPLICATE_COUNT, |
| &value, sizeof(value))) |
| wstats->discard.misc += value; |
| return wstats; |
| } |
| |
| /** |
| * wl3501_detach - deletes a driver "instance" |
| * @link - FILL_IN |
| * |
| * This deletes a driver "instance". The device is de-registered with Card |
| * Services. If it has been released, all local data structures are freed. |
| * Otherwise, the structures will be freed when the device is released. |
| */ |
| static void wl3501_detach(struct pcmcia_device *link) |
| { |
| struct net_device *dev = link->priv; |
| |
| /* If the device is currently configured and active, we won't actually |
| * delete it yet. Instead, it is marked so that when the release() |
| * function is called, that will trigger a proper detach(). */ |
| |
| while (link->open > 0) |
| wl3501_close(dev); |
| |
| netif_device_detach(dev); |
| wl3501_release(link); |
| |
| unregister_netdev(dev); |
| |
| if (link->priv) |
| free_netdev(link->priv); |
| } |
| |
| static int wl3501_get_name(struct net_device *dev, struct iw_request_info *info, |
| union iwreq_data *wrqu, char *extra) |
| { |
| strlcpy(wrqu->name, "IEEE 802.11-DS", sizeof(wrqu->name)); |
| return 0; |
| } |
| |
| static int wl3501_set_freq(struct net_device *dev, struct iw_request_info *info, |
| union iwreq_data *wrqu, char *extra) |
| { |
| struct wl3501_card *this = netdev_priv(dev); |
| int channel = wrqu->freq.m; |
| int rc = -EINVAL; |
| |
| if (iw_valid_channel(this->reg_domain, channel)) { |
| this->chan = channel; |
| rc = wl3501_reset(dev); |
| } |
| return rc; |
| } |
| |
| static int wl3501_get_freq(struct net_device *dev, struct iw_request_info *info, |
| union iwreq_data *wrqu, char *extra) |
| { |
| struct wl3501_card *this = netdev_priv(dev); |
| |
| wrqu->freq.m = 100000 * |
| ieee80211_channel_to_frequency(this->chan, NL80211_BAND_2GHZ); |
| wrqu->freq.e = 1; |
| return 0; |
| } |
| |
| static int wl3501_set_mode(struct net_device *dev, struct iw_request_info *info, |
| union iwreq_data *wrqu, char *extra) |
| { |
| int rc = -EINVAL; |
| |
| if (wrqu->mode == IW_MODE_INFRA || |
| wrqu->mode == IW_MODE_ADHOC || |
| wrqu->mode == IW_MODE_AUTO) { |
| struct wl3501_card *this = netdev_priv(dev); |
| |
| this->net_type = wrqu->mode; |
| rc = wl3501_reset(dev); |
| } |
| return rc; |
| } |
| |
| static int wl3501_get_mode(struct net_device *dev, struct iw_request_info *info, |
| union iwreq_data *wrqu, char *extra) |
| { |
| struct wl3501_card *this = netdev_priv(dev); |
| |
| wrqu->mode = this->net_type; |
| return 0; |
| } |
| |
| static int wl3501_get_sens(struct net_device *dev, struct iw_request_info *info, |
| union iwreq_data *wrqu, char *extra) |
| { |
| struct wl3501_card *this = netdev_priv(dev); |
| |
| wrqu->sens.value = this->rssi; |
| wrqu->sens.disabled = !wrqu->sens.value; |
| wrqu->sens.fixed = 1; |
| return 0; |
| } |
| |
| static int wl3501_get_range(struct net_device *dev, |
| struct iw_request_info *info, |
| union iwreq_data *wrqu, char *extra) |
| { |
| struct iw_range *range = (struct iw_range *)extra; |
| |
| /* Set the length (very important for backward compatibility) */ |
| wrqu->data.length = sizeof(*range); |
| |
| /* Set all the info we don't care or don't know about to zero */ |
| memset(range, 0, sizeof(*range)); |
| |
| /* Set the Wireless Extension versions */ |
| range->we_version_compiled = WIRELESS_EXT; |
| range->we_version_source = 1; |
| range->throughput = 2 * 1000 * 1000; /* ~2 Mb/s */ |
| /* FIXME: study the code to fill in more fields... */ |
| return 0; |
| } |
| |
| static int wl3501_set_wap(struct net_device *dev, struct iw_request_info *info, |
| union iwreq_data *wrqu, char *extra) |
| { |
| struct wl3501_card *this = netdev_priv(dev); |
| int rc = -EINVAL; |
| |
| /* FIXME: we support other ARPHRDs...*/ |
| if (wrqu->ap_addr.sa_family != ARPHRD_ETHER) |
| goto out; |
| if (is_broadcast_ether_addr(wrqu->ap_addr.sa_data)) { |
| /* FIXME: rescan? */ |
| } else |
| memcpy(this->bssid, wrqu->ap_addr.sa_data, ETH_ALEN); |
| /* FIXME: rescan? deassoc & scan? */ |
| rc = 0; |
| out: |
| return rc; |
| } |
| |
| static int wl3501_get_wap(struct net_device *dev, struct iw_request_info *info, |
| union iwreq_data *wrqu, char *extra) |
| { |
| struct wl3501_card *this = netdev_priv(dev); |
| |
| wrqu->ap_addr.sa_family = ARPHRD_ETHER; |
| memcpy(wrqu->ap_addr.sa_data, this->bssid, ETH_ALEN); |
| return 0; |
| } |
| |
| static int wl3501_set_scan(struct net_device *dev, struct iw_request_info *info, |
| union iwreq_data *wrqu, char *extra) |
| { |
| /* |
| * FIXME: trigger scanning with a reset, yes, I'm lazy |
| */ |
| return wl3501_reset(dev); |
| } |
| |
| static int wl3501_get_scan(struct net_device *dev, struct iw_request_info *info, |
| union iwreq_data *wrqu, char *extra) |
| { |
| struct wl3501_card *this = netdev_priv(dev); |
| int i; |
| char *current_ev = extra; |
| struct iw_event iwe; |
| |
| for (i = 0; i < this->bss_cnt; ++i) { |
| iwe.cmd = SIOCGIWAP; |
| iwe.u.ap_addr.sa_family = ARPHRD_ETHER; |
| memcpy(iwe.u.ap_addr.sa_data, this->bss_set[i].bssid, ETH_ALEN); |
| current_ev = iwe_stream_add_event(info, current_ev, |
| extra + IW_SCAN_MAX_DATA, |
| &iwe, IW_EV_ADDR_LEN); |
| iwe.cmd = SIOCGIWESSID; |
| iwe.u.data.flags = 1; |
| iwe.u.data.length = this->bss_set[i].ssid.el.len; |
| current_ev = iwe_stream_add_point(info, current_ev, |
| extra + IW_SCAN_MAX_DATA, |
| &iwe, |
| this->bss_set[i].ssid.essid); |
| iwe.cmd = SIOCGIWMODE; |
| iwe.u.mode = this->bss_set[i].bss_type; |
| current_ev = iwe_stream_add_event(info, current_ev, |
| extra + IW_SCAN_MAX_DATA, |
| &iwe, IW_EV_UINT_LEN); |
| iwe.cmd = SIOCGIWFREQ; |
| iwe.u.freq.m = this->bss_set[i].ds_pset.chan; |
| iwe.u.freq.e = 0; |
| current_ev = iwe_stream_add_event(info, current_ev, |
| extra + IW_SCAN_MAX_DATA, |
| &iwe, IW_EV_FREQ_LEN); |
| iwe.cmd = SIOCGIWENCODE; |
| if (this->bss_set[i].cap_info & WL3501_MGMT_CAPABILITY_PRIVACY) |
| iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY; |
| else |
| iwe.u.data.flags = IW_ENCODE_DISABLED; |
| iwe.u.data.length = 0; |
| current_ev = iwe_stream_add_point(info, current_ev, |
| extra + IW_SCAN_MAX_DATA, |
| &iwe, NULL); |
| } |
| /* Length of data */ |
| wrqu->data.length = (current_ev - extra); |
| wrqu->data.flags = 0; /* FIXME: set properly these flags */ |
| return 0; |
| } |
| |
| static int wl3501_set_essid(struct net_device *dev, |
| struct iw_request_info *info, |
| union iwreq_data *wrqu, char *extra) |
| { |
| struct wl3501_card *this = netdev_priv(dev); |
| |
| if (wrqu->data.flags) { |
| iw_set_mgmt_info_element(IW_MGMT_INFO_ELEMENT_SSID, |
| &this->essid.el, |
| extra, wrqu->data.length); |
| } else { /* We accept any ESSID */ |
| iw_set_mgmt_info_element(IW_MGMT_INFO_ELEMENT_SSID, |
| &this->essid.el, "ANY", 3); |
| } |
| return wl3501_reset(dev); |
| } |
| |
| static int wl3501_get_essid(struct net_device *dev, |
| struct iw_request_info *info, |
| union iwreq_data *wrqu, char *extra) |
| { |
| struct wl3501_card *this = netdev_priv(dev); |
| unsigned long flags; |
| |
| spin_lock_irqsave(&this->lock, flags); |
| wrqu->essid.flags = 1; |
| wrqu->essid.length = this->essid.el.len; |
| memcpy(extra, this->essid.essid, this->essid.el.len); |
| spin_unlock_irqrestore(&this->lock, flags); |
| return 0; |
| } |
| |
| static int wl3501_set_nick(struct net_device *dev, struct iw_request_info *info, |
| union iwreq_data *wrqu, char *extra) |
| { |
| struct wl3501_card *this = netdev_priv(dev); |
| |
| if (wrqu->data.length > sizeof(this->nick)) |
| return -E2BIG; |
| strlcpy(this->nick, extra, wrqu->data.length); |
| return 0; |
| } |
| |
| static int wl3501_get_nick(struct net_device *dev, struct iw_request_info *info, |
| union iwreq_data *wrqu, char *extra) |
| { |
| struct wl3501_card *this = netdev_priv(dev); |
| |
| strlcpy(extra, this->nick, 32); |
| wrqu->data.length = strlen(extra); |
| return 0; |
| } |
| |
| static int wl3501_get_rate(struct net_device *dev, struct iw_request_info *info, |
| union iwreq_data *wrqu, char *extra) |
| { |
| /* |
| * FIXME: have to see from where to get this info, perhaps this card |
| * works at 1 Mbit/s too... for now leave at 2 Mbit/s that is the most |
| * common with the Planet Access Points. -acme |
| */ |
| wrqu->bitrate.value = 2000000; |
| wrqu->bitrate.fixed = 1; |
| return 0; |
| } |
| |
| static int wl3501_get_rts_threshold(struct net_device *dev, |
| struct iw_request_info *info, |
| union iwreq_data *wrqu, char *extra) |
| { |
| u16 threshold; /* size checked: it is u16 */ |
| struct wl3501_card *this = netdev_priv(dev); |
| int rc = wl3501_get_mib_value(this, WL3501_MIB_ATTR_RTS_THRESHOLD, |
| &threshold, sizeof(threshold)); |
| if (!rc) { |
| wrqu->rts.value = threshold; |
| wrqu->rts.disabled = threshold >= 2347; |
| wrqu->rts.fixed = 1; |
| } |
| return rc; |
| } |
| |
| static int wl3501_get_frag_threshold(struct net_device *dev, |
| struct iw_request_info *info, |
| union iwreq_data *wrqu, char *extra) |
| { |
| u16 threshold; /* size checked: it is u16 */ |
| struct wl3501_card *this = netdev_priv(dev); |
| int rc = wl3501_get_mib_value(this, WL3501_MIB_ATTR_FRAG_THRESHOLD, |
| &threshold, sizeof(threshold)); |
| if (!rc) { |
| wrqu->frag.value = threshold; |
| wrqu->frag.disabled = threshold >= 2346; |
| wrqu->frag.fixed = 1; |
| } |
| return rc; |
| } |
| |
| static int wl3501_get_txpow(struct net_device *dev, |
| struct iw_request_info *info, |
| union iwreq_data *wrqu, char *extra) |
| { |
| u16 txpow; |
| struct wl3501_card *this = netdev_priv(dev); |
| int rc = wl3501_get_mib_value(this, |
| WL3501_MIB_ATTR_CURRENT_TX_PWR_LEVEL, |
| &txpow, sizeof(txpow)); |
| if (!rc) { |
| wrqu->txpower.value = txpow; |
| wrqu->txpower.disabled = 0; |
| /* |
| * From the MIB values I think this can be configurable, |
| * as it lists several tx power levels -acme |
| */ |
| wrqu->txpower.fixed = 0; |
| wrqu->txpower.flags = IW_TXPOW_MWATT; |
| } |
| return rc; |
| } |
| |
| static int wl3501_get_retry(struct net_device *dev, |
| struct iw_request_info *info, |
| union iwreq_data *wrqu, char *extra) |
| { |
| u8 retry; /* size checked: it is u8 */ |
| struct wl3501_card *this = netdev_priv(dev); |
| int rc = wl3501_get_mib_value(this, |
| WL3501_MIB_ATTR_LONG_RETRY_LIMIT, |
| &retry, sizeof(retry)); |
| if (rc) |
| goto out; |
| if (wrqu->retry.flags & IW_RETRY_LONG) { |
| wrqu->retry.flags = IW_RETRY_LIMIT | IW_RETRY_LONG; |
| goto set_value; |
| } |
| rc = wl3501_get_mib_value(this, WL3501_MIB_ATTR_SHORT_RETRY_LIMIT, |
| &retry, sizeof(retry)); |
| if (rc) |
| goto out; |
| wrqu->retry.flags = IW_RETRY_LIMIT | IW_RETRY_SHORT; |
| set_value: |
| wrqu->retry.value = retry; |
| wrqu->retry.disabled = 0; |
| out: |
| return rc; |
| } |
| |
| static int wl3501_get_encode(struct net_device *dev, |
| struct iw_request_info *info, |
| union iwreq_data *wrqu, char *extra) |
| { |
| u8 implemented, restricted, keys[100], len_keys, tocopy; |
| struct wl3501_card *this = netdev_priv(dev); |
| int rc = wl3501_get_mib_value(this, |
| WL3501_MIB_ATTR_PRIV_OPT_IMPLEMENTED, |
| &implemented, sizeof(implemented)); |
| if (rc) |
| goto out; |
| if (!implemented) { |
| wrqu->encoding.flags = IW_ENCODE_DISABLED; |
| goto out; |
| } |
| rc = wl3501_get_mib_value(this, WL3501_MIB_ATTR_EXCLUDE_UNENCRYPTED, |
| &restricted, sizeof(restricted)); |
| if (rc) |
| goto out; |
| wrqu->encoding.flags = restricted ? IW_ENCODE_RESTRICTED : |
| IW_ENCODE_OPEN; |
| rc = wl3501_get_mib_value(this, WL3501_MIB_ATTR_WEP_KEY_MAPPINGS_LEN, |
| &len_keys, sizeof(len_keys)); |
| if (rc) |
| goto out; |
| rc = wl3501_get_mib_value(this, WL3501_MIB_ATTR_WEP_KEY_MAPPINGS, |
| keys, len_keys); |
| if (rc) |
| goto out; |
| tocopy = min_t(u16, len_keys, wrqu->encoding.length); |
| tocopy = min_t(u8, tocopy, 100); |
| wrqu->encoding.length = tocopy; |
| memcpy(extra, keys, tocopy); |
| out: |
| return rc; |
| } |
| |
| static int wl3501_get_power(struct net_device *dev, |
| struct iw_request_info *info, |
| union iwreq_data *wrqu, char *extra) |
| { |
| u8 pwr_state; |
| struct wl3501_card *this = netdev_priv(dev); |
| int rc = wl3501_get_mib_value(this, |
| WL3501_MIB_ATTR_CURRENT_PWR_STATE, |
| &pwr_state, sizeof(pwr_state)); |
| if (rc) |
| goto out; |
| wrqu->power.disabled = !pwr_state; |
| wrqu->power.flags = IW_POWER_ON; |
| out: |
| return rc; |
| } |
| |
| static const iw_handler wl3501_handler[] = { |
| IW_HANDLER(SIOCGIWNAME, wl3501_get_name), |
| IW_HANDLER(SIOCSIWFREQ, wl3501_set_freq), |
| IW_HANDLER(SIOCGIWFREQ, wl3501_get_freq), |
| IW_HANDLER(SIOCSIWMODE, wl3501_set_mode), |
| IW_HANDLER(SIOCGIWMODE, wl3501_get_mode), |
| IW_HANDLER(SIOCGIWSENS, wl3501_get_sens), |
| IW_HANDLER(SIOCGIWRANGE, wl3501_get_range), |
| IW_HANDLER(SIOCSIWSPY, iw_handler_set_spy), |
| IW_HANDLER(SIOCGIWSPY, iw_handler_get_spy), |
| IW_HANDLER(SIOCSIWTHRSPY, iw_handler_set_thrspy), |
| IW_HANDLER(SIOCGIWTHRSPY, iw_handler_get_thrspy), |
| IW_HANDLER(SIOCSIWAP, wl3501_set_wap), |
| IW_HANDLER(SIOCGIWAP, wl3501_get_wap), |
| IW_HANDLER(SIOCSIWSCAN, wl3501_set_scan), |
| IW_HANDLER(SIOCGIWSCAN, wl3501_get_scan), |
| IW_HANDLER(SIOCSIWESSID, wl3501_set_essid), |
| IW_HANDLER(SIOCGIWESSID, wl3501_get_essid), |
| IW_HANDLER(SIOCSIWNICKN, wl3501_set_nick), |
| IW_HANDLER(SIOCGIWNICKN, wl3501_get_nick), |
| IW_HANDLER(SIOCGIWRATE, wl3501_get_rate), |
| IW_HANDLER(SIOCGIWRTS, wl3501_get_rts_threshold), |
| IW_HANDLER(SIOCGIWFRAG, wl3501_get_frag_threshold), |
| IW_HANDLER(SIOCGIWTXPOW, wl3501_get_txpow), |
| IW_HANDLER(SIOCGIWRETRY, wl3501_get_retry), |
| IW_HANDLER(SIOCGIWENCODE, wl3501_get_encode), |
| IW_HANDLER(SIOCGIWPOWER, wl3501_get_power), |
| }; |
| |
| static const struct iw_handler_def wl3501_handler_def = { |
| .num_standard = ARRAY_SIZE(wl3501_handler), |
| .standard = (iw_handler *)wl3501_handler, |
| .get_wireless_stats = wl3501_get_wireless_stats, |
| }; |
| |
| static const struct net_device_ops wl3501_netdev_ops = { |
| .ndo_open = wl3501_open, |
| .ndo_stop = wl3501_close, |
| .ndo_start_xmit = wl3501_hard_start_xmit, |
| .ndo_tx_timeout = wl3501_tx_timeout, |
| .ndo_set_mac_address = eth_mac_addr, |
| .ndo_validate_addr = eth_validate_addr, |
| }; |
| |
| static int wl3501_probe(struct pcmcia_device *p_dev) |
| { |
| struct net_device *dev; |
| struct wl3501_card *this; |
| |
| /* The io structure describes IO port mapping */ |
| p_dev->resource[0]->end = 16; |
| p_dev->resource[0]->flags = IO_DATA_PATH_WIDTH_8; |
| |
| /* General socket configuration */ |
| p_dev->config_flags = CONF_ENABLE_IRQ; |
| p_dev->config_index = 1; |
| |
| dev = alloc_etherdev(sizeof(struct wl3501_card)); |
| if (!dev) |
| goto out_link; |
| |
| |
| dev->netdev_ops = &wl3501_netdev_ops; |
| dev->watchdog_timeo = 5 * HZ; |
| |
| this = netdev_priv(dev); |
| this->wireless_data.spy_data = &this->spy_data; |
| this->p_dev = p_dev; |
| dev->wireless_data = &this->wireless_data; |
| dev->wireless_handlers = &wl3501_handler_def; |
| netif_stop_queue(dev); |
| p_dev->priv = dev; |
| |
| return wl3501_config(p_dev); |
| out_link: |
| return -ENOMEM; |
| } |
| |
| static int wl3501_config(struct pcmcia_device *link) |
| { |
| struct net_device *dev = link->priv; |
| int i = 0, j, ret; |
| struct wl3501_card *this; |
| |
| /* Try allocating IO ports. This tries a few fixed addresses. If you |
| * want, you can also read the card's config table to pick addresses -- |
| * see the serial driver for an example. */ |
| link->io_lines = 5; |
| |
| for (j = 0x280; j < 0x400; j += 0x20) { |
| /* The '^0x300' is so that we probe 0x300-0x3ff first, then |
| * 0x200-0x2ff, and so on, because this seems safer */ |
| link->resource[0]->start = j; |
| link->resource[1]->start = link->resource[0]->start + 0x10; |
| i = pcmcia_request_io(link); |
| if (i == 0) |
| break; |
| } |
| if (i != 0) |
| goto failed; |
| |
| /* Now allocate an interrupt line. Note that this does not actually |
| * assign a handler to the interrupt. */ |
| |
| ret = pcmcia_request_irq(link, wl3501_interrupt); |
| if (ret) |
| goto failed; |
| |
| ret = pcmcia_enable_device(link); |
| if (ret) |
| goto failed; |
| |
| dev->irq = link->irq; |
| dev->base_addr = link->resource[0]->start; |
| SET_NETDEV_DEV(dev, &link->dev); |
| if (register_netdev(dev)) { |
| printk(KERN_NOTICE "wl3501_cs: register_netdev() failed\n"); |
| goto failed; |
| } |
| |
| this = netdev_priv(dev); |
| |
| this->base_addr = dev->base_addr; |
| |
| if (!wl3501_get_flash_mac_addr(this)) { |
| printk(KERN_WARNING "%s: Can't read MAC addr in flash ROM?\n", |
| dev->name); |
| unregister_netdev(dev); |
| goto failed; |
| } |
| |
| for (i = 0; i < 6; i++) |
| dev->dev_addr[i] = ((char *)&this->mac_addr)[i]; |
| |
| /* print probe information */ |
| printk(KERN_INFO "%s: wl3501 @ 0x%3.3x, IRQ %d, " |
| "MAC addr in flash ROM:%pM\n", |
| dev->name, this->base_addr, (int)dev->irq, |
| dev->dev_addr); |
| /* |
| * Initialize card parameters - added by jss |
| */ |
| this->net_type = IW_MODE_INFRA; |
| this->bss_cnt = 0; |
| this->join_sta_bss = 0; |
| this->adhoc_times = 0; |
| iw_set_mgmt_info_element(IW_MGMT_INFO_ELEMENT_SSID, &this->essid.el, |
| "ANY", 3); |
| this->card_name[0] = '\0'; |
| this->firmware_date[0] = '\0'; |
| this->rssi = 255; |
| this->chan = iw_default_channel(this->reg_domain); |
| strlcpy(this->nick, "Planet WL3501", sizeof(this->nick)); |
| spin_lock_init(&this->lock); |
| init_waitqueue_head(&this->wait); |
| netif_start_queue(dev); |
| return 0; |
| |
| failed: |
| wl3501_release(link); |
| return -ENODEV; |
| } |
| |
| static void wl3501_release(struct pcmcia_device *link) |
| { |
| pcmcia_disable_device(link); |
| } |
| |
| static int wl3501_suspend(struct pcmcia_device *link) |
| { |
| struct net_device *dev = link->priv; |
| |
| wl3501_pwr_mgmt(netdev_priv(dev), WL3501_SUSPEND); |
| if (link->open) |
| netif_device_detach(dev); |
| |
| return 0; |
| } |
| |
| static int wl3501_resume(struct pcmcia_device *link) |
| { |
| struct net_device *dev = link->priv; |
| |
| wl3501_pwr_mgmt(netdev_priv(dev), WL3501_RESUME); |
| if (link->open) { |
| wl3501_reset(dev); |
| netif_device_attach(dev); |
| } |
| |
| return 0; |
| } |
| |
| |
| static const struct pcmcia_device_id wl3501_ids[] = { |
| PCMCIA_DEVICE_MANF_CARD(0xd601, 0x0001), |
| PCMCIA_DEVICE_NULL |
| }; |
| MODULE_DEVICE_TABLE(pcmcia, wl3501_ids); |
| |
| static struct pcmcia_driver wl3501_driver = { |
| .owner = THIS_MODULE, |
| .name = "wl3501_cs", |
| .probe = wl3501_probe, |
| .remove = wl3501_detach, |
| .id_table = wl3501_ids, |
| .suspend = wl3501_suspend, |
| .resume = wl3501_resume, |
| }; |
| module_pcmcia_driver(wl3501_driver); |
| |
| MODULE_AUTHOR("Fox Chen <mhchen@golf.ccl.itri.org.tw>, " |
| "Arnaldo Carvalho de Melo <acme@conectiva.com.br>," |
| "Gustavo Niemeyer <niemeyer@conectiva.com>"); |
| MODULE_DESCRIPTION("Planet wl3501 wireless driver"); |
| MODULE_LICENSE("GPL"); |