diff options
Diffstat (limited to 'drivers/net/wireless')
-rw-r--r-- | drivers/net/wireless/Kconfig | 105 | ||||
-rw-r--r-- | drivers/net/wireless/Makefile | 4 | ||||
-rw-r--r-- | drivers/net/wireless/atmel.c | 62 | ||||
-rw-r--r-- | drivers/net/wireless/ieee802_11.h | 78 | ||||
-rw-r--r-- | drivers/net/wireless/ipw2100.c | 8649 | ||||
-rw-r--r-- | drivers/net/wireless/ipw2100.h | 1278 | ||||
-rw-r--r-- | drivers/net/wireless/ipw2200.c | 7348 | ||||
-rw-r--r-- | drivers/net/wireless/ipw2200.h | 1770 | ||||
-rw-r--r-- | drivers/net/wireless/orinoco.c | 11 | ||||
-rw-r--r-- | drivers/net/wireless/wl3501.h | 4 |
10 files changed, 19193 insertions, 116 deletions
diff --git a/drivers/net/wireless/Kconfig b/drivers/net/wireless/Kconfig index a60866d62ec7..6e88d4839971 100644 --- a/drivers/net/wireless/Kconfig +++ b/drivers/net/wireless/Kconfig @@ -137,6 +137,111 @@ config PCMCIA_RAYCS comment "Wireless 802.11b ISA/PCI cards support" depends on NET_RADIO && (ISA || PCI || PPC_PMAC || PCMCIA) +config IPW2100 + tristate "Intel PRO/Wireless 2100 Network Connection" + depends on NET_RADIO && PCI && IEEE80211 + select FW_LOADER + ---help--- + A driver for the Intel PRO/Wireless 2100 Network + Connection 802.11b wireless network adapter. + + See <file:Documentation/networking/README.ipw2100> for information on + the capabilities currently enabled in this driver and for tips + for debugging issues and problems. + + In order to use this driver, you will need a firmware image for it. + You can obtain the firmware from + <http://ipw2100.sf.net/>. Once you have the firmware image, you + will need to place it in /etc/firmware. + + You will also very likely need the Wireless Tools in order to + configure your card: + + <http://www.hpl.hp.com/personal/Jean_Tourrilhes/Linux/Tools.html>. + + If you want to compile the driver as a module ( = code which can be + inserted in and remvoed from the running kernel whenever you want), + say M here and read <file:Documentation/modules.txt>. The module + will be called ipw2100.ko. + +config IPW2100_PROMISC + bool "Enable promiscuous mode" + depends on IPW2100 + ---help--- + Enables promiscuous/monitor mode support for the ipw2100 driver. + With this feature compiled into the driver, you can switch to + promiscuous mode via the Wireless Tool's Monitor mode. While in this + mode, no packets can be sent. + +config IPW_DEBUG + bool "Enable full debugging output in IPW2100 module." + depends on IPW2100 + ---help--- + This option will enable debug tracing output for the IPW2100. + + This will result in the kernel module being ~60k larger. You can + control which debug output is sent to the kernel log by setting the + value in + + /sys/bus/pci/drivers/ipw2100/debug_level + + This entry will only exist if this option is enabled. + + If you are not trying to debug or develop the IPW2100 driver, you + most likely want to say N here. + +config IPW2200 + tristate "Intel PRO/Wireless 2200BG and 2915ABG Network Connection" + depends on NET_RADIO && PCI + select FW_LOADER + select IEEE80211 + ---help--- + A driver for the Intel PRO/Wireless 2200BG and 2915ABG Network + Connection adapters. + + See <file:Documentation/networking/README.ipw2200> for + information on the capabilities currently enabled in this + driver and for tips for debugging issues and problems. + + In order to use this driver, you will need a firmware image for it. + You can obtain the firmware from + <http://ipw2200.sf.net/>. See the above referenced README.ipw2200 + for information on where to install the firmare images. + + You will also very likely need the Wireless Tools in order to + configure your card: + + <http://www.hpl.hp.com/personal/Jean_Tourrilhes/Linux/Tools.html>. + + If you want to compile the driver as a module ( = code which can be + inserted in and remvoed from the running kernel whenever you want), + say M here and read <file:Documentation/modules.txt>. The module + will be called ipw2200.ko. + +config IPW_DEBUG + bool "Enable full debugging output in IPW2200 module." + depends on IPW2200 + ---help--- + This option will enable debug tracing output for the IPW2200. + + This will result in the kernel module being ~100k larger. You can + control which debug output is sent to the kernel log by setting the + value in + + /sys/bus/pci/drivers/ipw2200/debug_level + + This entry will only exist if this option is enabled. + + To set a value, simply echo an 8-byte hex value to the same file: + + % echo 0x00000FFO > /sys/bus/pci/drivers/ipw2200/debug_level + + You can find the list of debug mask values in + drivers/net/wireless/ipw2200.h + + If you are not trying to debug or develop the IPW2200 driver, you + most likely want to say N here. + config AIRO tristate "Cisco/Aironet 34X/35X/4500/4800 ISA and PCI cards" depends on NET_RADIO && ISA && (PCI || BROKEN) diff --git a/drivers/net/wireless/Makefile b/drivers/net/wireless/Makefile index 6c9cb0eb8581..0953cc0cdee6 100644 --- a/drivers/net/wireless/Makefile +++ b/drivers/net/wireless/Makefile @@ -2,6 +2,10 @@ # Makefile for the Linux Wireless network device drivers. # +obj-$(CONFIG_IPW2100) += ipw2100.o + +obj-$(CONFIG_IPW2200) += ipw2200.o + obj-$(CONFIG_STRIP) += strip.o obj-$(CONFIG_ARLAN) += arlan.o diff --git a/drivers/net/wireless/atmel.c b/drivers/net/wireless/atmel.c index 18a7d38d2a13..bed160a25cab 100644 --- a/drivers/net/wireless/atmel.c +++ b/drivers/net/wireless/atmel.c @@ -68,7 +68,7 @@ #include <linux/device.h> #include <linux/moduleparam.h> #include <linux/firmware.h> -#include "ieee802_11.h" +#include <net/ieee80211.h> #include "atmel.h" #define DRIVER_MAJOR 0 @@ -618,12 +618,12 @@ static int atmel_lock_mac(struct atmel_private *priv); static void atmel_wmem32(struct atmel_private *priv, u16 pos, u32 data); static void atmel_command_irq(struct atmel_private *priv); static int atmel_validate_channel(struct atmel_private *priv, int channel); -static void atmel_management_frame(struct atmel_private *priv, struct ieee802_11_hdr *header, +static void atmel_management_frame(struct atmel_private *priv, struct ieee80211_hdr *header, u16 frame_len, u8 rssi); static void atmel_management_timer(u_long a); static void atmel_send_command(struct atmel_private *priv, int command, void *cmd, int cmd_size); static int atmel_send_command_wait(struct atmel_private *priv, int command, void *cmd, int cmd_size); -static void atmel_transmit_management_frame(struct atmel_private *priv, struct ieee802_11_hdr *header, +static void atmel_transmit_management_frame(struct atmel_private *priv, struct ieee80211_hdr *header, u8 *body, int body_len); static u8 atmel_get_mib8(struct atmel_private *priv, u8 type, u8 index); @@ -827,7 +827,7 @@ static void tx_update_descriptor(struct atmel_private *priv, int is_bcast, u16 l static int start_tx (struct sk_buff *skb, struct net_device *dev) { struct atmel_private *priv = netdev_priv(dev); - struct ieee802_11_hdr header; + struct ieee80211_hdr header; unsigned long flags; u16 buff, frame_ctl, len = (ETH_ZLEN < skb->len) ? skb->len : ETH_ZLEN; u8 SNAP_RFC1024[6] = {0xaa, 0xaa, 0x03, 0x00, 0x00, 0x00}; @@ -863,17 +863,17 @@ static int start_tx (struct sk_buff *skb, struct net_device *dev) return 1; } - frame_ctl = IEEE802_11_FTYPE_DATA; + frame_ctl = IEEE80211_FTYPE_DATA; header.duration_id = 0; header.seq_ctl = 0; if (priv->wep_is_on) - frame_ctl |= IEEE802_11_FCTL_WEP; + frame_ctl |= IEEE80211_FCTL_WEP; if (priv->operating_mode == IW_MODE_ADHOC) { memcpy(&header.addr1, skb->data, 6); memcpy(&header.addr2, dev->dev_addr, 6); memcpy(&header.addr3, priv->BSSID, 6); } else { - frame_ctl |= IEEE802_11_FCTL_TODS; + frame_ctl |= IEEE80211_FCTL_TODS; memcpy(&header.addr1, priv->CurrentBSSID, 6); memcpy(&header.addr2, dev->dev_addr, 6); memcpy(&header.addr3, skb->data, 6); @@ -902,7 +902,7 @@ static int start_tx (struct sk_buff *skb, struct net_device *dev) } static void atmel_transmit_management_frame(struct atmel_private *priv, - struct ieee802_11_hdr *header, + struct ieee80211_hdr *header, u8 *body, int body_len) { u16 buff; @@ -917,7 +917,7 @@ static void atmel_transmit_management_frame(struct atmel_private *priv, tx_update_descriptor(priv, header->addr1[0] & 0x01, len, buff, TX_PACKET_TYPE_MGMT); } -static void fast_rx_path(struct atmel_private *priv, struct ieee802_11_hdr *header, +static void fast_rx_path(struct atmel_private *priv, struct ieee80211_hdr *header, u16 msdu_size, u16 rx_packet_loc, u32 crc) { /* fast path: unfragmented packet copy directly into skbuf */ @@ -955,7 +955,7 @@ static void fast_rx_path(struct atmel_private *priv, struct ieee802_11_hdr *head } memcpy(skbp, header->addr1, 6); /* destination address */ - if (le16_to_cpu(header->frame_ctl) & IEEE802_11_FCTL_FROMDS) + if (le16_to_cpu(header->frame_ctl) & IEEE80211_FCTL_FROMDS) memcpy(&skbp[6], header->addr3, 6); else memcpy(&skbp[6], header->addr2, 6); /* source address */ @@ -990,14 +990,14 @@ static int probe_crc(struct atmel_private *priv, u16 packet_loc, u16 msdu_size) return (crc ^ 0xffffffff) == netcrc; } -static void frag_rx_path(struct atmel_private *priv, struct ieee802_11_hdr *header, +static void frag_rx_path(struct atmel_private *priv, struct ieee80211_hdr *header, u16 msdu_size, u16 rx_packet_loc, u32 crc, u16 seq_no, u8 frag_no, int more_frags) { u8 mac4[6]; u8 source[6]; struct sk_buff *skb; - if (le16_to_cpu(header->frame_ctl) & IEEE802_11_FCTL_FROMDS) + if (le16_to_cpu(header->frame_ctl) & IEEE80211_FCTL_FROMDS) memcpy(source, header->addr3, 6); else memcpy(source, header->addr2, 6); @@ -1082,7 +1082,7 @@ static void frag_rx_path(struct atmel_private *priv, struct ieee802_11_hdr *head static void rx_done_irq(struct atmel_private *priv) { int i; - struct ieee802_11_hdr header; + struct ieee80211_hdr header; for (i = 0; atmel_rmem8(priv, atmel_rx(priv, RX_DESC_FLAGS_OFFSET, priv->rx_desc_head)) == RX_DESC_FLAG_VALID && @@ -1117,7 +1117,7 @@ static void rx_done_irq(struct atmel_private *priv) /* probe for CRC use here if needed once five packets have arrived with the same crc status, we assume we know what's happening and stop probing */ if (priv->probe_crc) { - if (!priv->wep_is_on || !(frame_ctl & IEEE802_11_FCTL_WEP)) { + if (!priv->wep_is_on || !(frame_ctl & IEEE80211_FCTL_WEP)) { priv->do_rx_crc = probe_crc(priv, rx_packet_loc, msdu_size); } else { priv->do_rx_crc = probe_crc(priv, rx_packet_loc + 24, msdu_size - 24); @@ -1132,16 +1132,16 @@ static void rx_done_irq(struct atmel_private *priv) } /* don't CRC header when WEP in use */ - if (priv->do_rx_crc && (!priv->wep_is_on || !(frame_ctl & IEEE802_11_FCTL_WEP))) { + if (priv->do_rx_crc && (!priv->wep_is_on || !(frame_ctl & IEEE80211_FCTL_WEP))) { crc = crc32_le(0xffffffff, (unsigned char *)&header, 24); } msdu_size -= 24; /* header */ - if ((frame_ctl & IEEE802_11_FCTL_FTYPE) == IEEE802_11_FTYPE_DATA) { + if ((frame_ctl & IEEE80211_FCTL_FTYPE) == IEEE80211_FTYPE_DATA) { - int more_fragments = frame_ctl & IEEE802_11_FCTL_MOREFRAGS; - u8 packet_fragment_no = seq_control & IEEE802_11_SCTL_FRAG; - u16 packet_sequence_no = (seq_control & IEEE802_11_SCTL_SEQ) >> 4; + int more_fragments = frame_ctl & IEEE80211_FCTL_MOREFRAGS; + u8 packet_fragment_no = seq_control & IEEE80211_SCTL_FRAG; + u16 packet_sequence_no = (seq_control & IEEE80211_SCTL_SEQ) >> 4; if (!more_fragments && packet_fragment_no == 0 ) { fast_rx_path(priv, &header, msdu_size, rx_packet_loc, crc); @@ -1151,7 +1151,7 @@ static void rx_done_irq(struct atmel_private *priv) } } - if ((frame_ctl & IEEE802_11_FCTL_FTYPE) == IEEE802_11_FTYPE_MGMT) { + if ((frame_ctl & IEEE80211_FCTL_FTYPE) == IEEE80211_FTYPE_MGMT) { /* copy rest of packet into buffer */ atmel_copy_to_host(priv->dev, (unsigned char *)&priv->rx_buf, rx_packet_loc + 24, msdu_size); @@ -2663,10 +2663,10 @@ static void handle_beacon_probe(struct atmel_private *priv, u16 capability, u8 c static void send_authentication_request(struct atmel_private *priv, u8 *challenge, int challenge_len) { - struct ieee802_11_hdr header; + struct ieee80211_hdr header; struct auth_body auth; - header.frame_ctl = cpu_to_le16(IEEE802_11_FTYPE_MGMT | IEEE802_11_STYPE_AUTH); + header.frame_ctl = cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_AUTH); header.duration_id = cpu_to_le16(0x8000); header.seq_ctl = 0; memcpy(header.addr1, priv->CurrentBSSID, 6); @@ -2677,7 +2677,7 @@ static void send_authentication_request(struct atmel_private *priv, u8 *challeng auth.alg = cpu_to_le16(C80211_MGMT_AAN_SHAREDKEY); /* no WEP for authentication frames with TrSeqNo 1 */ if (priv->CurrentAuthentTransactionSeqNum != 1) - header.frame_ctl |= cpu_to_le16(IEEE802_11_FCTL_WEP); + header.frame_ctl |= cpu_to_le16(IEEE80211_FCTL_WEP); } else { auth.alg = cpu_to_le16(C80211_MGMT_AAN_OPENSYSTEM); } @@ -2701,7 +2701,7 @@ static void send_association_request(struct atmel_private *priv, int is_reassoc) { u8 *ssid_el_p; int bodysize; - struct ieee802_11_hdr header; + struct ieee80211_hdr header; struct ass_req_format { u16 capability; u16 listen_interval; @@ -2714,8 +2714,8 @@ static void send_association_request(struct atmel_private *priv, int is_reassoc) u8 rates[4]; } body; - header.frame_ctl = cpu_to_le16(IEEE802_11_FTYPE_MGMT | - (is_reassoc ? IEEE802_11_STYPE_REASSOC_REQ : IEEE802_11_STYPE_ASSOC_REQ)); + header.frame_ctl = cpu_to_le16(IEEE80211_FTYPE_MGMT | + (is_reassoc ? IEEE80211_STYPE_REASSOC_REQ : IEEE80211_STYPE_ASSOC_REQ)); header.duration_id = cpu_to_le16(0x8000); header.seq_ctl = 0; @@ -2751,9 +2751,9 @@ static void send_association_request(struct atmel_private *priv, int is_reassoc) atmel_transmit_management_frame(priv, &header, (void *)&body, bodysize); } -static int is_frame_from_current_bss(struct atmel_private *priv, struct ieee802_11_hdr *header) +static int is_frame_from_current_bss(struct atmel_private *priv, struct ieee80211_hdr *header) { - if (le16_to_cpu(header->frame_ctl) & IEEE802_11_FCTL_FROMDS) + if (le16_to_cpu(header->frame_ctl) & IEEE80211_FCTL_FROMDS) return memcmp(header->addr3, priv->CurrentBSSID, 6) == 0; else return memcmp(header->addr2, priv->CurrentBSSID, 6) == 0; @@ -2801,7 +2801,7 @@ static int retrieve_bss(struct atmel_private *priv) } -static void store_bss_info(struct atmel_private *priv, struct ieee802_11_hdr *header, +static void store_bss_info(struct atmel_private *priv, struct ieee80211_hdr *header, u16 capability, u16 beacon_period, u8 channel, u8 rssi, u8 ssid_len, u8 *ssid, int is_beacon) { @@ -3085,12 +3085,12 @@ static void atmel_smooth_qual(struct atmel_private *priv) } /* deals with incoming managment frames. */ -static void atmel_management_frame(struct atmel_private *priv, struct ieee802_11_hdr *header, +static void atmel_management_frame(struct atmel_private *priv, struct ieee80211_hdr *header, u16 frame_len, u8 rssi) { u16 subtype; - switch (subtype = le16_to_cpu(header->frame_ctl) & IEEE802_11_FCTL_STYPE) { + switch (subtype = le16_to_cpu(header->frame_ctl) & IEEE80211_FCTL_STYPE) { case C80211_SUBTYPE_MGMT_BEACON : case C80211_SUBTYPE_MGMT_ProbeResponse: diff --git a/drivers/net/wireless/ieee802_11.h b/drivers/net/wireless/ieee802_11.h deleted file mode 100644 index 53dd5248f9f1..000000000000 --- a/drivers/net/wireless/ieee802_11.h +++ /dev/null @@ -1,78 +0,0 @@ -#ifndef _IEEE802_11_H -#define _IEEE802_11_H - -#define IEEE802_11_DATA_LEN 2304 -/* Maximum size for the MA-UNITDATA primitive, 802.11 standard section - 6.2.1.1.2. - - The figure in section 7.1.2 suggests a body size of up to 2312 - bytes is allowed, which is a bit confusing, I suspect this - represents the 2304 bytes of real data, plus a possible 8 bytes of - WEP IV and ICV. (this interpretation suggested by Ramiro Barreiro) */ - - -#define IEEE802_11_HLEN 30 -#define IEEE802_11_FRAME_LEN (IEEE802_11_DATA_LEN + IEEE802_11_HLEN) - -struct ieee802_11_hdr { - u16 frame_ctl; - u16 duration_id; - u8 addr1[ETH_ALEN]; - u8 addr2[ETH_ALEN]; - u8 addr3[ETH_ALEN]; - u16 seq_ctl; - u8 addr4[ETH_ALEN]; -} __attribute__ ((packed)); - -/* Frame control field constants */ -#define IEEE802_11_FCTL_VERS 0x0002 -#define IEEE802_11_FCTL_FTYPE 0x000c -#define IEEE802_11_FCTL_STYPE 0x00f0 -#define IEEE802_11_FCTL_TODS 0x0100 -#define IEEE802_11_FCTL_FROMDS 0x0200 -#define IEEE802_11_FCTL_MOREFRAGS 0x0400 -#define IEEE802_11_FCTL_RETRY 0x0800 -#define IEEE802_11_FCTL_PM 0x1000 -#define IEEE802_11_FCTL_MOREDATA 0x2000 -#define IEEE802_11_FCTL_WEP 0x4000 -#define IEEE802_11_FCTL_ORDER 0x8000 - -#define IEEE802_11_FTYPE_MGMT 0x0000 -#define IEEE802_11_FTYPE_CTL 0x0004 -#define IEEE802_11_FTYPE_DATA 0x0008 - -/* management */ -#define IEEE802_11_STYPE_ASSOC_REQ 0x0000 -#define IEEE802_11_STYPE_ASSOC_RESP 0x0010 -#define IEEE802_11_STYPE_REASSOC_REQ 0x0020 -#define IEEE802_11_STYPE_REASSOC_RESP 0x0030 -#define IEEE802_11_STYPE_PROBE_REQ 0x0040 -#define IEEE802_11_STYPE_PROBE_RESP 0x0050 -#define IEEE802_11_STYPE_BEACON 0x0080 -#define IEEE802_11_STYPE_ATIM 0x0090 -#define IEEE802_11_STYPE_DISASSOC 0x00A0 -#define IEEE802_11_STYPE_AUTH 0x00B0 -#define IEEE802_11_STYPE_DEAUTH 0x00C0 - -/* control */ -#define IEEE802_11_STYPE_PSPOLL 0x00A0 -#define IEEE802_11_STYPE_RTS 0x00B0 -#define IEEE802_11_STYPE_CTS 0x00C0 -#define IEEE802_11_STYPE_ACK 0x00D0 -#define IEEE802_11_STYPE_CFEND 0x00E0 -#define IEEE802_11_STYPE_CFENDACK 0x00F0 - -/* data */ -#define IEEE802_11_STYPE_DATA 0x0000 -#define IEEE802_11_STYPE_DATA_CFACK 0x0010 -#define IEEE802_11_STYPE_DATA_CFPOLL 0x0020 -#define IEEE802_11_STYPE_DATA_CFACKPOLL 0x0030 -#define IEEE802_11_STYPE_NULLFUNC 0x0040 -#define IEEE802_11_STYPE_CFACK 0x0050 -#define IEEE802_11_STYPE_CFPOLL 0x0060 -#define IEEE802_11_STYPE_CFACKPOLL 0x0070 - -#define IEEE802_11_SCTL_FRAG 0x000F -#define IEEE802_11_SCTL_SEQ 0xFFF0 - -#endif /* _IEEE802_11_H */ diff --git a/drivers/net/wireless/ipw2100.c b/drivers/net/wireless/ipw2100.c new file mode 100644 index 000000000000..d296d464946f --- /dev/null +++ b/drivers/net/wireless/ipw2100.c @@ -0,0 +1,8649 @@ +/****************************************************************************** + + Copyright(c) 2003 - 2005 Intel Corporation. All rights reserved. + + This program is free software; you can redistribute it and/or modify it + under the terms of version 2 of the GNU General Public License as + published by the Free Software Foundation. + + This program is distributed in the hope that it will be useful, but WITHOUT + ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + more details. + + You should have received a copy of the GNU General Public License along with + this program; if not, write to the Free Software Foundation, Inc., 59 + Temple Place - Suite 330, Boston, MA 02111-1307, USA. + + The full GNU General Public License is included in this distribution in the + file called LICENSE. + + Contact Information: + James P. Ketrenos <ipw2100-admin@linux.intel.com> + Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 + + Portions of this file are based on the sample_* files provided by Wireless + Extensions 0.26 package and copyright (c) 1997-2003 Jean Tourrilhes + <jt@hpl.hp.com> + + Portions of this file are based on the Host AP project, + Copyright (c) 2001-2002, SSH Communications Security Corp and Jouni Malinen + <jkmaline@cc.hut.fi> + Copyright (c) 2002-2003, Jouni Malinen <jkmaline@cc.hut.fi> + + Portions of ipw2100_mod_firmware_load, ipw2100_do_mod_firmware_load, and + ipw2100_fw_load are loosely based on drivers/sound/sound_firmware.c + available in the 2.4.25 kernel sources, and are copyright (c) Alan Cox + +******************************************************************************/ +/* + + Initial driver on which this is based was developed by Janusz Gorycki, + Maciej Urbaniak, and Maciej Sosnowski. + + Promiscuous mode support added by Jacek Wysoczynski and Maciej Urbaniak. + +Theory of Operation + +Tx - Commands and Data + +Firmware and host share a circular queue of Transmit Buffer Descriptors (TBDs) +Each TBD contains a pointer to the physical (dma_addr_t) address of data being +sent to the firmware as well as the length of the data. + +The host writes to the TBD queue at the WRITE index. The WRITE index points +to the _next_ packet to be written and is advanced when after the TBD has been +filled. + +The firmware pulls from the TBD queue at the READ index. The READ index points +to the currently being read entry, and is advanced once the firmware is +done with a packet. + +When data is sent to the firmware, the first TBD is used to indicate to the +firmware if a Command or Data is being sent. If it is Command, all of the +command information is contained within the physical address referred to by the +TBD. If it is Data, the first TBD indicates the type of data packet, number +of fragments, etc. The next TBD then referrs to the actual packet location. + +The Tx flow cycle is as follows: + +1) ipw2100_tx() is called by kernel with SKB to transmit +2) Packet is move from the tx_free_list and appended to the transmit pending + list (tx_pend_list) +3) work is scheduled to move pending packets into the shared circular queue. +4) when placing packet in the circular queue, the incoming SKB is DMA mapped + to a physical address. That address is entered into a TBD. Two TBDs are + filled out. The first indicating a data packet, the second referring to the + actual payload data. +5) the packet is removed from tx_pend_list and placed on the end of the + firmware pending list (fw_pend_list) +6) firmware is notified that the WRITE index has +7) Once the firmware has processed the TBD, INTA is triggered. +8) For each Tx interrupt received from the firmware, the READ index is checked + to see which TBDs are done being processed. +9) For each TBD that has been processed, the ISR pulls the oldest packet + from the fw_pend_list. +10)The packet structure contained in the fw_pend_list is then used + to unmap the DMA address and to free the SKB originally passed to the driver + from the kernel. +11)The packet structure is placed onto the tx_free_list + +The above steps are the same for commands, only the msg_free_list/msg_pend_list +are used instead of tx_free_list/tx_pend_list + +... + +Critical Sections / Locking : + +There are two locks utilized. The first is the low level lock (priv->low_lock) +that protects the following: + +- Access to the Tx/Rx queue lists via priv->low_lock. The lists are as follows: + + tx_free_list : Holds pre-allocated Tx buffers. + TAIL modified in __ipw2100_tx_process() + HEAD modified in ipw2100_tx() + + tx_pend_list : Holds used Tx buffers waiting to go into the TBD ring + TAIL modified ipw2100_tx() + HEAD modified by X__ipw2100_tx_send_data() + + msg_free_list : Holds pre-allocated Msg (Command) buffers + TAIL modified in __ipw2100_tx_process() + HEAD modified in ipw2100_hw_send_command() + + msg_pend_list : Holds used Msg buffers waiting to go into the TBD ring + TAIL modified in ipw2100_hw_send_command() + HEAD modified in X__ipw2100_tx_send_commands() + + The flow of data on the TX side is as follows: + + MSG_FREE_LIST + COMMAND => MSG_PEND_LIST => TBD => MSG_FREE_LIST + TX_FREE_LIST + DATA => TX_PEND_LIST => TBD => TX_FREE_LIST + + The methods that work on the TBD ring are protected via priv->low_lock. + +- The internal data state of the device itself +- Access to the firmware read/write indexes for the BD queues + and associated logic + +All external entry functions are locked with the priv->action_lock to ensure +that only one external action is invoked at a time. + + +*/ + +#include <linux/compiler.h> +#include <linux/config.h> +#include <linux/errno.h> +#include <linux/if_arp.h> +#include <linux/in6.h> +#include <linux/in.h> +#include <linux/ip.h> +#include <linux/kernel.h> +#include <linux/kmod.h> +#include <linux/module.h> +#include <linux/netdevice.h> +#include <linux/ethtool.h> +#include <linux/pci.h> +#include <linux/proc_fs.h> +#include <linux/skbuff.h> +#include <asm/uaccess.h> +#include <asm/io.h> +#define __KERNEL_SYSCALLS__ +#include <linux/fs.h> +#include <linux/mm.h> +#include <linux/slab.h> +#include <linux/unistd.h> +#include <linux/stringify.h> +#include <linux/tcp.h> +#include <linux/types.h> +#include <linux/version.h> +#include <linux/time.h> +#include <linux/firmware.h> +#include <linux/acpi.h> +#include <linux/ctype.h> + +#include "ipw2100.h" + +#define IPW2100_VERSION "1.1.0" + +#define DRV_NAME "ipw2100" +#define DRV_VERSION IPW2100_VERSION +#define DRV_DESCRIPTION "Intel(R) PRO/Wireless 2100 Network Driver" +#define DRV_COPYRIGHT "Copyright(c) 2003-2004 Intel Corporation" + + +/* Debugging stuff */ +#ifdef CONFIG_IPW_DEBUG +#define CONFIG_IPW2100_RX_DEBUG /* Reception debugging */ +#endif + +MODULE_DESCRIPTION(DRV_DESCRIPTION); +MODULE_VERSION(DRV_VERSION); +MODULE_AUTHOR(DRV_COPYRIGHT); +MODULE_LICENSE("GPL"); + +static int debug = 0; +static int mode = 0; +static int channel = 0; +static int associate = 1; +static int disable = 0; +#ifdef CONFIG_PM +static struct ipw2100_fw ipw2100_firmware; +#endif + +#include <linux/moduleparam.h> +module_param(debug, int, 0444); +module_param(mode, int, 0444); +module_param(channel, int, 0444); +module_param(associate, int, 0444); +module_param(disable, int, 0444); + +MODULE_PARM_DESC(debug, "debug level"); +MODULE_PARM_DESC(mode, "network mode (0=BSS,1=IBSS,2=Monitor)"); +MODULE_PARM_DESC(channel, "channel"); +MODULE_PARM_DESC(associate, "auto associate when scanning (default on)"); +MODULE_PARM_DESC(disable, "manually disable the radio (default 0 [radio on])"); + +u32 ipw2100_debug_level = IPW_DL_NONE; + +#ifdef CONFIG_IPW_DEBUG +static const char *command_types[] = { + "undefined", + "unused", /* HOST_ATTENTION */ + "HOST_COMPLETE", + "unused", /* SLEEP */ + "unused", /* HOST_POWER_DOWN */ + "unused", + "SYSTEM_CONFIG", + "unused", /* SET_IMR */ + "SSID", + "MANDATORY_BSSID", + "AUTHENTICATION_TYPE", + "ADAPTER_ADDRESS", + "PORT_TYPE", + "INTERNATIONAL_MODE", + "CHANNEL", + "RTS_THRESHOLD", + "FRAG_THRESHOLD", + "POWER_MODE", + "TX_RATES", + "BASIC_TX_RATES", + "WEP_KEY_INFO", + "unused", + "unused", + "unused", + "unused", + "WEP_KEY_INDEX", + "WEP_FLAGS", + "ADD_MULTICAST", + "CLEAR_ALL_MULTICAST", + "BEACON_INTERVAL", + "ATIM_WINDOW", + "CLEAR_STATISTICS", + "undefined", + "undefined", + "undefined", + "undefined", + "TX_POWER_INDEX", + "undefined", + "undefined", + "undefined", + "undefined", + "undefined", + "undefined", + "BROADCAST_SCAN", + "CARD_DISABLE", + "PREFERRED_BSSID", + "SET_SCAN_OPTIONS", + "SCAN_DWELL_TIME", + "SWEEP_TABLE", + "AP_OR_STATION_TABLE", + "GROUP_ORDINALS", + "SHORT_RETRY_LIMIT", + "LONG_RETRY_LIMIT", + "unused", /* SAVE_CALIBRATION */ + "unused", /* RESTORE_CALIBRATION */ + "undefined", + "undefined", + "undefined", + "HOST_PRE_POWER_DOWN", + "unused", /* HOST_INTERRUPT_COALESCING */ + "undefined", + "CARD_DISABLE_PHY_OFF", + "MSDU_TX_RATES" + "undefined", + "undefined", + "SET_STATION_STAT_BITS", + "CLEAR_STATIONS_STAT_BITS", + "LEAP_ROGUE_MODE", + "SET_SECURITY_INFORMATION", + "DISASSOCIATION_BSSID", + "SET_WPA_ASS_IE" +}; +#endif + + +/* Pre-decl until we get the code solid and then we can clean it up */ +static void X__ipw2100_tx_send_commands(struct ipw2100_priv *priv); +static void X__ipw2100_tx_send_data(struct ipw2100_priv *priv); +static int ipw2100_adapter_setup(struct ipw2100_priv *priv); + +static void ipw2100_queues_initialize(struct ipw2100_priv *priv); +static void ipw2100_queues_free(struct ipw2100_priv *priv); +static int ipw2100_queues_allocate(struct ipw2100_priv *priv); + + +static inline void read_register(struct net_device *dev, u32 reg, u32 *val) +{ + *val = readl((void *)(dev->base_addr + reg)); + IPW_DEBUG_IO("r: 0x%08X => 0x%08X\n", reg, *val); +} + +static inline void write_register(struct net_device *dev, u32 reg, u32 val) +{ + writel(val, (void *)(dev->base_addr + reg)); + IPW_DEBUG_IO("w: 0x%08X <= 0x%08X\n", reg, val); +} + +static inline void read_register_word(struct net_device *dev, u32 reg, u16 *val) +{ + *val = readw((void *)(dev->base_addr + reg)); + IPW_DEBUG_IO("r: 0x%08X => %04X\n", reg, *val); +} + +static inline void read_register_byte(struct net_device *dev, u32 reg, u8 *val) +{ + *val = readb((void *)(dev->base_addr + reg)); + IPW_DEBUG_IO("r: 0x%08X => %02X\n", reg, *val); +} + +static inline void write_register_word(struct net_device *dev, u32 reg, u16 val) +{ + writew(val, (void *)(dev->base_addr + reg)); + IPW_DEBUG_IO("w: 0x%08X <= %04X\n", reg, val); +} + + +static inline void write_register_byte(struct net_device *dev, u32 reg, u8 val) +{ + writeb(val, (void *)(dev->base_addr + reg)); + IPW_DEBUG_IO("w: 0x%08X =< %02X\n", reg, val); +} + +static inline void read_nic_dword(struct net_device *dev, u32 addr, u32 *val) +{ + write_register(dev, IPW_REG_INDIRECT_ACCESS_ADDRESS, + addr & IPW_REG_INDIRECT_ADDR_MASK); + read_register(dev, IPW_REG_INDIRECT_ACCESS_DATA, val); +} + +static inline void write_nic_dword(struct net_device *dev, u32 addr, u32 val) +{ + write_register(dev, IPW_REG_INDIRECT_ACCESS_ADDRESS, + addr & IPW_REG_INDIRECT_ADDR_MASK); + write_register(dev, IPW_REG_INDIRECT_ACCESS_DATA, val); +} + +static inline void read_nic_word(struct net_device *dev, u32 addr, u16 *val) +{ + write_register(dev, IPW_REG_INDIRECT_ACCESS_ADDRESS, + addr & IPW_REG_INDIRECT_ADDR_MASK); + read_register_word(dev, IPW_REG_INDIRECT_ACCESS_DATA, val); +} + +static inline void write_nic_word(struct net_device *dev, u32 addr, u16 val) +{ + write_register(dev, IPW_REG_INDIRECT_ACCESS_ADDRESS, + addr & IPW_REG_INDIRECT_ADDR_MASK); + write_register_word(dev, IPW_REG_INDIRECT_ACCESS_DATA, val); +} + +static inline void read_nic_byte(struct net_device *dev, u32 addr, u8 *val) +{ + write_register(dev, IPW_REG_INDIRECT_ACCESS_ADDRESS, + addr & IPW_REG_INDIRECT_ADDR_MASK); + read_register_byte(dev, IPW_REG_INDIRECT_ACCESS_DATA, val); +} + +static inline void write_nic_byte(struct net_device *dev, u32 addr, u8 val) +{ + write_register(dev, IPW_REG_INDIRECT_ACCESS_ADDRESS, + addr & IPW_REG_INDIRECT_ADDR_MASK); + write_register_byte(dev, IPW_REG_INDIRECT_ACCESS_DATA, val); +} + +static inline void write_nic_auto_inc_address(struct net_device *dev, u32 addr) +{ + write_register(dev, IPW_REG_AUTOINCREMENT_ADDRESS, + addr & IPW_REG_INDIRECT_ADDR_MASK); +} + +static inline void write_nic_dword_auto_inc(struct net_device *dev, u32 val) +{ + write_register(dev, IPW_REG_AUTOINCREMENT_DATA, val); +} + +static inline void write_nic_memory(struct net_device *dev, u32 addr, u32 len, + const u8 *buf) +{ + u32 aligned_addr; + u32 aligned_len; + u32 dif_len; + u32 i; + + /* read first nibble byte by byte */ + aligned_addr = addr & (~0x3); + dif_len = addr - aligned_addr; + if (dif_len) { + /* Start reading at aligned_addr + dif_len */ + write_register(dev, IPW_REG_INDIRECT_ACCESS_ADDRESS, + aligned_addr); + for (i = dif_len; i < 4; i++, buf++) + write_register_byte( + dev, IPW_REG_INDIRECT_ACCESS_DATA + i, + *buf); + + len -= dif_len; + aligned_addr += 4; + } + + /* read DWs through autoincrement registers */ + write_register(dev, IPW_REG_AUTOINCREMENT_ADDRESS, + aligned_addr); + aligned_len = len & (~0x3); + for (i = 0; i < aligned_len; i += 4, buf += 4, aligned_addr += 4) + write_register( + dev, IPW_REG_AUTOINCREMENT_DATA, *(u32 *)buf); + + /* copy the last nibble */ + dif_len = len - aligned_len; + write_register(dev, IPW_REG_INDIRECT_ACCESS_ADDRESS, aligned_addr); + for (i = 0; i < dif_len; i++, buf++) + write_register_byte( + dev, IPW_REG_INDIRECT_ACCESS_DATA + i, *buf); +} + +static inline void read_nic_memory(struct net_device *dev, u32 addr, u32 len, + u8 *buf) +{ + u32 aligned_addr; + u32 aligned_len; + u32 dif_len; + u32 i; + + /* read first nibble byte by byte */ + aligned_addr = addr & (~0x3); + dif_len = addr - aligned_addr; + if (dif_len) { + /* Start reading at aligned_addr + dif_len */ + write_register(dev, IPW_REG_INDIRECT_ACCESS_ADDRESS, + aligned_addr); + for (i = dif_len; i < 4; i++, buf++) + read_register_byte( + dev, IPW_REG_INDIRECT_ACCESS_DATA + i, buf); + + len -= dif_len; + aligned_addr += 4; + } + + /* read DWs through autoincrement registers */ + write_register(dev, IPW_REG_AUTOINCREMENT_ADDRESS, + aligned_addr); + aligned_len = len & (~0x3); + for (i = 0; i < aligned_len; i += 4, buf += 4, aligned_addr += 4) + read_register(dev, IPW_REG_AUTOINCREMENT_DATA, + (u32 *)buf); + + /* copy the last nibble */ + dif_len = len - aligned_len; + write_register(dev, IPW_REG_INDIRECT_ACCESS_ADDRESS, + aligned_addr); + for (i = 0; i < dif_len; i++, buf++) + read_register_byte(dev, IPW_REG_INDIRECT_ACCESS_DATA + + i, buf); +} + +static inline int ipw2100_hw_is_adapter_in_system(struct net_device *dev) +{ + return (dev->base_addr && + (readl((void *)(dev->base_addr + IPW_REG_DOA_DEBUG_AREA_START)) + == IPW_DATA_DOA_DEBUG_VALUE)); +} + +int ipw2100_get_ordinal(struct ipw2100_priv *priv, u32 ord, + void *val, u32 *len) +{ + struct ipw2100_ordinals *ordinals = &priv->ordinals; + u32 addr; + u32 field_info; + u16 field_len; + u16 field_count; + u32 total_length; + + if (ordinals->table1_addr == 0) { + IPW_DEBUG_WARNING(DRV_NAME ": attempt to use fw ordinals " + "before they have been loaded.\n"); + return -EINVAL; + } + + if (IS_ORDINAL_TABLE_ONE(ordinals, ord)) { + if (*len < IPW_ORD_TAB_1_ENTRY_SIZE) { + *len = IPW_ORD_TAB_1_ENTRY_SIZE; + + IPW_DEBUG_WARNING(DRV_NAME + ": ordinal buffer length too small, need %d\n", + IPW_ORD_TAB_1_ENTRY_SIZE); + + return -EINVAL; + } + + read_nic_dword(priv->net_dev, ordinals->table1_addr + (ord << 2), + &addr); + read_nic_dword(priv->net_dev, addr, val); + + *len = IPW_ORD_TAB_1_ENTRY_SIZE; + + return 0; + } + + if (IS_ORDINAL_TABLE_ |