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ieee80211: new constants from latest 802.11x specifications
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From: Gertjan van Wingerde <gwingerde@home.nl>

Attached patch updates the definitions of the generic ieee80211 stack to
the latest versions of the published 802.11x specification suite.

Signed-off-by: Gertjan van Wingerde <gwingerde@home.nl>
Signed-off-by: Jiri Benc <jbenc@suse.cz>
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Jiri Benc authored and Jeff Garzik committed Aug 26, 2005
1 parent 8d45ff7 commit f13baae
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Showing 4 changed files with 78 additions and 27 deletions.
8 changes: 4 additions & 4 deletions drivers/net/wireless/atmel.c
View file
Original file line number Diff line number Diff line change
Expand Up @@ -867,7 +867,7 @@ static int start_tx (struct sk_buff *skb, struct net_device *dev)
header.duration_id = 0;
header.seq_ctl = 0;
if (priv->wep_is_on)
frame_ctl |= IEEE80211_FCTL_WEP;
frame_ctl |= IEEE80211_FCTL_PROTECTED;
if (priv->operating_mode == IW_MODE_ADHOC) {
memcpy(&header.addr1, skb->data, 6);
memcpy(&header.addr2, dev->dev_addr, 6);
Expand Down Expand Up @@ -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 & IEEE80211_FCTL_WEP)) {
if (!priv->wep_is_on || !(frame_ctl & IEEE80211_FCTL_PROTECTED)) {
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);
Expand All @@ -1132,7 +1132,7 @@ 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 & IEEE80211_FCTL_WEP))) {
if (priv->do_rx_crc && (!priv->wep_is_on || !(frame_ctl & IEEE80211_FCTL_PROTECTED))) {
crc = crc32_le(0xffffffff, (unsigned char *)&header, 24);
}
msdu_size -= 24; /* header */
Expand Down Expand Up @@ -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(IEEE80211_FCTL_WEP);
header.frame_ctl |= cpu_to_le16(IEEE80211_FCTL_PROTECTED);
} else {
auth.alg = cpu_to_le16(C80211_MGMT_AAN_OPENSYSTEM);
}
Expand Down
79 changes: 65 additions & 14 deletions include/net/ieee80211.h
View file
Original file line number Diff line number Diff line change
Expand Up @@ -112,8 +112,8 @@ struct eapol {
#define IEEE80211_FCTL_MOREFRAGS 0x0400
#define IEEE80211_FCTL_RETRY 0x0800
#define IEEE80211_FCTL_PM 0x1000
#define IEEE80211_FCTL_MOREDATA 0x2000
#define IEEE80211_FCTL_WEP 0x4000
#define IEEE80211_FCTL_MOREDATA 0x2000
#define IEEE80211_FCTL_PROTECTED 0x4000
#define IEEE80211_FCTL_ORDER 0x8000

#define IEEE80211_FTYPE_MGMT 0x0000
Expand All @@ -132,6 +132,7 @@ struct eapol {
#define IEEE80211_STYPE_DISASSOC 0x00A0
#define IEEE80211_STYPE_AUTH 0x00B0
#define IEEE80211_STYPE_DEAUTH 0x00C0
#define IEEE80211_STYPE_ACTION 0x00D0

/* control */
#define IEEE80211_STYPE_PSPOLL 0x00A0
Expand Down Expand Up @@ -263,6 +264,7 @@ struct ieee80211_snap_hdr {

#define SNAP_SIZE sizeof(struct ieee80211_snap_hdr)

#define WLAN_FC_GET_VERS(fc) ((fc) & IEEE80211_FCTL_VERS)
#define WLAN_FC_GET_TYPE(fc) ((fc) & IEEE80211_FCTL_FTYPE)
#define WLAN_FC_GET_STYPE(fc) ((fc) & IEEE80211_FCTL_STYPE)

Expand All @@ -283,6 +285,9 @@ struct ieee80211_snap_hdr {
#define WLAN_CAPABILITY_SHORT_PREAMBLE (1<<5)
#define WLAN_CAPABILITY_PBCC (1<<6)
#define WLAN_CAPABILITY_CHANNEL_AGILITY (1<<7)
#define WLAN_CAPABILITY_SPECTRUM_MGMT (1<<8)
#define WLAN_CAPABILITY_SHORT_SLOT_TIME (1<<10)
#define WLAN_CAPABILITY_OSSS_OFDM (1<<13)

/* Status codes */
#define WLAN_STATUS_SUCCESS 0
Expand All @@ -297,9 +302,24 @@ struct ieee80211_snap_hdr {
#define WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA 17
#define WLAN_STATUS_ASSOC_DENIED_RATES 18
/* 802.11b */
#define WLAN_STATUS_ASSOC_DENIED_NOSHORT 19
#define WLAN_STATUS_ASSOC_DENIED_NOSHORTPREAMBLE 19
#define WLAN_STATUS_ASSOC_DENIED_NOPBCC 20
#define WLAN_STATUS_ASSOC_DENIED_NOAGILITY 21
/* 802.11h */
#define WLAN_STATUS_ASSOC_DENIED_NOSPECTRUM 22
#define WLAN_STATUS_ASSOC_REJECTED_BAD_POWER 23
#define WLAN_STATUS_ASSOC_REJECTED_BAD_SUPP_CHAN 24
/* 802.11g */
#define WLAN_STATUS_ASSOC_DENIED_NOSHORTTIME 25
#define WLAN_STATUS_ASSOC_DENIED_NODSSSOFDM 26
/* 802.11i */
#define WLAN_STATUS_INVALID_IE 40
#define WLAN_STATUS_INVALID_GROUP_CIPHER 41
#define WLAN_STATUS_INVALID_PAIRWISE_CIPHER 42
#define WLAN_STATUS_INVALID_AKMP 43
#define WLAN_STATUS_UNSUPP_RSN_VERSION 44
#define WLAN_STATUS_INVALID_RSN_IE_CAP 45
#define WLAN_STATUS_CIPHER_SUITE_REJECTED 46

/* Reason codes */
#define WLAN_REASON_UNSPECIFIED 1
Expand All @@ -311,6 +331,22 @@ struct ieee80211_snap_hdr {
#define WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA 7
#define WLAN_REASON_DISASSOC_STA_HAS_LEFT 8
#define WLAN_REASON_STA_REQ_ASSOC_WITHOUT_AUTH 9
/* 802.11h */
#define WLAN_REASON_DISASSOC_BAD_POWER 10
#define WLAN_REASON_DISASSOC_BAD_SUPP_CHAN 11
/* 802.11i */
#define WLAN_REASON_INVALID_IE 13
#define WLAN_REASON_MIC_FAILURE 14
#define WLAN_REASON_4WAY_HANDSHAKE_TIMEOUT 15
#define WLAN_REASON_GROUP_KEY_HANDSHAKE_TIMEOUT 16
#define WLAN_REASON_IE_DIFFERENT 17
#define WLAN_REASON_INVALID_GROUP_CIPHER 18
#define WLAN_REASON_INVALID_PAIRWISE_CIPHER 19
#define WLAN_REASON_INVALID_AKMP 20
#define WLAN_REASON_UNSUPP_RSN_VERSION 21
#define WLAN_REASON_INVALID_RSN_IE_CAP 22
#define WLAN_REASON_IEEE8021X_FAILED 23
#define WLAN_REASON_CIPHER_SUITE_REJECTED 24


#define IEEE80211_STATMASK_SIGNAL (1<<0)
Expand Down Expand Up @@ -489,17 +525,32 @@ Total: 28-2340 bytes
#define BEACON_PROBE_SSID_ID_POSITION 12

/* Management Frame Information Element Types */
#define MFIE_TYPE_SSID 0
#define MFIE_TYPE_RATES 1
#define MFIE_TYPE_FH_SET 2
#define MFIE_TYPE_DS_SET 3
#define MFIE_TYPE_CF_SET 4
#define MFIE_TYPE_TIM 5
#define MFIE_TYPE_IBSS_SET 6
#define MFIE_TYPE_CHALLENGE 16
#define MFIE_TYPE_RSN 48
#define MFIE_TYPE_RATES_EX 50
#define MFIE_TYPE_GENERIC 221
#define MFIE_TYPE_SSID 0
#define MFIE_TYPE_RATES 1
#define MFIE_TYPE_FH_SET 2
#define MFIE_TYPE_DS_SET 3
#define MFIE_TYPE_CF_SET 4
#define MFIE_TYPE_TIM 5
#define MFIE_TYPE_IBSS_SET 6
#define MFIE_TYPE_COUNTRY 7
#define MFIE_TYPE_HOP_PARAMS 8
#define MFIE_TYPE_HOP_TABLE 9
#define MFIE_TYPE_REQUEST 10
#define MFIE_TYPE_CHALLENGE 16
#define MFIE_TYPE_POWER_CONSTRAINT 32
#define MFIE_TYPE_POWER_CAPABILITY 33
#define MFIE_TYPE_TPC_REQUEST 34
#define MFIE_TYPE_TPC_REPORT 35
#define MFIE_TYPE_SUPP_CHANNELS 36
#define MFIE_TYPE_CSA 37
#define MFIE_TYPE_MEASURE_REQUEST 38
#define MFIE_TYPE_MEASURE_REPORT 39
#define MFIE_TYPE_QUIET 40
#define MFIE_TYPE_IBSS_DFS 41
#define MFIE_TYPE_ERP_INFO 42
#define MFIE_TYPE_RSN 48
#define MFIE_TYPE_RATES_EX 50
#define MFIE_TYPE_GENERIC 221

struct ieee80211_info_element_hdr {
u8 id;
Expand Down
16 changes: 8 additions & 8 deletions net/ieee80211/ieee80211_rx.c
View file
Original file line number Diff line number Diff line change
Expand Up @@ -439,7 +439,7 @@ int ieee80211_rx(struct ieee80211_device *ieee, struct sk_buff *skb,
crypt->ops->decrypt_mpdu == NULL))
crypt = NULL;

if (!crypt && (fc & IEEE80211_FCTL_WEP)) {
if (!crypt && (fc & IEEE80211_FCTL_PROTECTED)) {
/* This seems to be triggered by some (multicast?)
* frames from other than current BSS, so just drop the
* frames silently instead of filling system log with
Expand All @@ -455,7 +455,7 @@ int ieee80211_rx(struct ieee80211_device *ieee, struct sk_buff *skb,
#ifdef NOT_YET
if (type != WLAN_FC_TYPE_DATA) {
if (type == WLAN_FC_TYPE_MGMT && stype == WLAN_FC_STYPE_AUTH &&
fc & IEEE80211_FCTL_WEP && ieee->host_decrypt &&
fc & IEEE80211_FCTL_PROTECTED && ieee->host_decrypt &&
(keyidx = hostap_rx_frame_decrypt(ieee, skb, crypt)) < 0)
{
printk(KERN_DEBUG "%s: failed to decrypt mgmt::auth "
Expand Down Expand Up @@ -556,15 +556,15 @@ int ieee80211_rx(struct ieee80211_device *ieee, struct sk_buff *skb,

/* skb: hdr + (possibly fragmented, possibly encrypted) payload */

if (ieee->host_decrypt && (fc & IEEE80211_FCTL_WEP) &&
if (ieee->host_decrypt && (fc & IEEE80211_FCTL_PROTECTED) &&
(keyidx = ieee80211_rx_frame_decrypt(ieee, skb, crypt)) < 0)
goto rx_dropped;

hdr = (struct ieee80211_hdr *) skb->data;

/* skb: hdr + (possibly fragmented) plaintext payload */
// PR: FIXME: hostap has additional conditions in the "if" below:
// ieee->host_decrypt && (fc & IEEE80211_FCTL_WEP) &&
// ieee->host_decrypt && (fc & IEEE80211_FCTL_PROTECTED) &&
if ((frag != 0 || (fc & IEEE80211_FCTL_MOREFRAGS))) {
int flen;
struct sk_buff *frag_skb = ieee80211_frag_cache_get(ieee, hdr);
Expand Down Expand Up @@ -620,12 +620,12 @@ int ieee80211_rx(struct ieee80211_device *ieee, struct sk_buff *skb,

/* skb: hdr + (possible reassembled) full MSDU payload; possibly still
* encrypted/authenticated */
if (ieee->host_decrypt && (fc & IEEE80211_FCTL_WEP) &&
if (ieee->host_decrypt && (fc & IEEE80211_FCTL_PROTECTED) &&
ieee80211_rx_frame_decrypt_msdu(ieee, skb, keyidx, crypt))
goto rx_dropped;

hdr = (struct ieee80211_hdr *) skb->data;
if (crypt && !(fc & IEEE80211_FCTL_WEP) && !ieee->open_wep) {
if (crypt && !(fc & IEEE80211_FCTL_PROTECTED) && !ieee->open_wep) {
if (/*ieee->ieee802_1x &&*/
ieee80211_is_eapol_frame(ieee, skb)) {
#ifdef CONFIG_IEEE80211_DEBUG
Expand All @@ -646,7 +646,7 @@ int ieee80211_rx(struct ieee80211_device *ieee, struct sk_buff *skb,
}

#ifdef CONFIG_IEEE80211_DEBUG
if (crypt && !(fc & IEEE80211_FCTL_WEP) &&
if (crypt && !(fc & IEEE80211_FCTL_PROTECTED) &&
ieee80211_is_eapol_frame(ieee, skb)) {
struct eapol *eap = (struct eapol *)(skb->data +
24);
Expand All @@ -655,7 +655,7 @@ int ieee80211_rx(struct ieee80211_device *ieee, struct sk_buff *skb,
}
#endif

if (crypt && !(fc & IEEE80211_FCTL_WEP) && !ieee->open_wep &&
if (crypt && !(fc & IEEE80211_FCTL_PROTECTED) && !ieee->open_wep &&
!ieee80211_is_eapol_frame(ieee, skb)) {
IEEE80211_DEBUG_DROP(
"dropped unencrypted RX data "
Expand Down
2 changes: 1 addition & 1 deletion net/ieee80211/ieee80211_tx.c
View file
Original file line number Diff line number Diff line change
Expand Up @@ -313,7 +313,7 @@ int ieee80211_xmit(struct sk_buff *skb,

if (encrypt)
fc = IEEE80211_FTYPE_DATA | IEEE80211_STYPE_DATA |
IEEE80211_FCTL_WEP;
IEEE80211_FCTL_PROTECTED;
else
fc = IEEE80211_FTYPE_DATA | IEEE80211_STYPE_DATA;

Expand Down

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