+#include "hostap_80211.h"
+#include "hostap_common.h"
+#include "hostap_wlan.h"
+#include "hostap.h"
+#include "hostap_ap.h"
+
+/* See IEEE 802.1H for LLC/SNAP encapsulation/decapsulation */
+/* Ethernet-II snap header (RFC1042 for most EtherTypes) */
+static unsigned char rfc1042_header[] =
+{ 0xaa, 0xaa, 0x03, 0x00, 0x00, 0x00 };
+/* Bridge-Tunnel header (for EtherTypes ETH_P_AARP and ETH_P_IPX) */
+static unsigned char bridge_tunnel_header[] =
+{ 0xaa, 0xaa, 0x03, 0x00, 0x00, 0xf8 };
+/* No encapsulation header if EtherType < 0x600 (=length) */
+
void hostap_dump_tx_80211(const char *name, struct sk_buff *skb)
{
- struct hostap_ieee80211_hdr *hdr;
+ struct ieee80211_hdr_4addr *hdr;
u16 fc;
+ DECLARE_MAC_BUF(mac);
- hdr = (struct hostap_ieee80211_hdr *) skb->data;
+ hdr = (struct ieee80211_hdr_4addr *) skb->data;
printk(KERN_DEBUG "%s: TX len=%d jiffies=%ld\n",
name, skb->len, jiffies);
if (skb->len < 2)
return;
- fc = le16_to_cpu(hdr->frame_control);
+ fc = le16_to_cpu(hdr->frame_ctl);
printk(KERN_DEBUG " FC=0x%04x (type=%d:%d)%s%s",
- fc, HOSTAP_FC_GET_TYPE(fc), HOSTAP_FC_GET_STYPE(fc),
- fc & WLAN_FC_TODS ? " [ToDS]" : "",
- fc & WLAN_FC_FROMDS ? " [FromDS]" : "");
+ fc, WLAN_FC_GET_TYPE(fc) >> 2, WLAN_FC_GET_STYPE(fc) >> 4,
+ fc & IEEE80211_FCTL_TODS ? " [ToDS]" : "",
+ fc & IEEE80211_FCTL_FROMDS ? " [FromDS]" : "");
if (skb->len < IEEE80211_DATA_HDR3_LEN) {
printk("\n");
}
printk(" dur=0x%04x seq=0x%04x\n", le16_to_cpu(hdr->duration_id),
- le16_to_cpu(hdr->seq_ctrl));
+ le16_to_cpu(hdr->seq_ctl));
- printk(KERN_DEBUG " A1=" MACSTR " A2=" MACSTR " A3=" MACSTR,
- MAC2STR(hdr->addr1), MAC2STR(hdr->addr2), MAC2STR(hdr->addr3));
+ printk(KERN_DEBUG " A1=%s", print_mac(mac, hdr->addr1));
+ printk(" A2=%s", print_mac(mac, hdr->addr2));
+ printk(" A3=%s", print_mac(mac, hdr->addr3));
if (skb->len >= 30)
- printk(" A4=" MACSTR, MAC2STR(hdr->addr4));
+ printk(" A4=%s", print_mac(mac, hdr->addr4));
printk("\n");
}
struct hostap_interface *iface;
local_info_t *local;
int need_headroom, need_tailroom = 0;
- struct hostap_ieee80211_hdr hdr;
+ struct ieee80211_hdr_4addr hdr;
u16 fc, ethertype = 0;
enum {
WDS_NO = 0, WDS_OWN_FRAME, WDS_COMPLIANT_FRAME
skip_header_bytes -= 2;
}
- fc = (WLAN_FC_TYPE_DATA << 2) | (WLAN_FC_STYPE_DATA << 4);
+ fc = IEEE80211_FTYPE_DATA | IEEE80211_STYPE_DATA;
hdr_len = IEEE80211_DATA_HDR3_LEN;
if (use_wds != WDS_NO) {
* frame format */
if (use_wds == WDS_COMPLIANT_FRAME) {
- fc |= WLAN_FC_FROMDS | WLAN_FC_TODS;
+ fc |= IEEE80211_FCTL_FROMDS | IEEE80211_FCTL_TODS;
/* From&To DS: Addr1 = RA, Addr2 = TA, Addr3 = DA,
* Addr4 = SA */
- memcpy(&hdr.addr4, skb->data + ETH_ALEN, ETH_ALEN);
+ skb_copy_from_linear_data_offset(skb, ETH_ALEN,
+ &hdr.addr4, ETH_ALEN);
hdr_len += ETH_ALEN;
} else {
/* bogus 4-addr format to workaround Prism2 station
* f/w bug */
- fc |= WLAN_FC_TODS;
+ fc |= IEEE80211_FCTL_TODS;
/* From DS: Addr1 = DA (used as RA),
* Addr2 = BSSID (used as TA), Addr3 = SA (used as DA),
*/
/* SA from skb->data + ETH_ALEN will be added after
* frame payload; use hdr.addr4 as a temporary buffer
*/
- memcpy(&hdr.addr4, skb->data + ETH_ALEN, ETH_ALEN);
+ skb_copy_from_linear_data_offset(skb, ETH_ALEN,
+ &hdr.addr4, ETH_ALEN);
need_tailroom += ETH_ALEN;
}
else
memcpy(&hdr.addr1, local->bssid, ETH_ALEN);
memcpy(&hdr.addr2, dev->dev_addr, ETH_ALEN);
- memcpy(&hdr.addr3, skb->data, ETH_ALEN);
+ skb_copy_from_linear_data(skb, &hdr.addr3, ETH_ALEN);
} else if (local->iw_mode == IW_MODE_MASTER && !to_assoc_ap) {
- fc |= WLAN_FC_FROMDS;
+ fc |= IEEE80211_FCTL_FROMDS;
/* From DS: Addr1 = DA, Addr2 = BSSID, Addr3 = SA */
- memcpy(&hdr.addr1, skb->data, ETH_ALEN);
+ skb_copy_from_linear_data(skb, &hdr.addr1, ETH_ALEN);
memcpy(&hdr.addr2, dev->dev_addr, ETH_ALEN);
- memcpy(&hdr.addr3, skb->data + ETH_ALEN, ETH_ALEN);
+ skb_copy_from_linear_data_offset(skb, ETH_ALEN, &hdr.addr3,
+ ETH_ALEN);
} else if (local->iw_mode == IW_MODE_INFRA || to_assoc_ap) {
- fc |= WLAN_FC_TODS;
+ fc |= IEEE80211_FCTL_TODS;
/* To DS: Addr1 = BSSID, Addr2 = SA, Addr3 = DA */
memcpy(&hdr.addr1, to_assoc_ap ?
local->assoc_ap_addr : local->bssid, ETH_ALEN);
- memcpy(&hdr.addr2, skb->data + ETH_ALEN, ETH_ALEN);
- memcpy(&hdr.addr3, skb->data, ETH_ALEN);
+ skb_copy_from_linear_data_offset(skb, ETH_ALEN, &hdr.addr2,
+ ETH_ALEN);
+ skb_copy_from_linear_data(skb, &hdr.addr3, ETH_ALEN);
} else if (local->iw_mode == IW_MODE_ADHOC) {
/* not From/To DS: Addr1 = DA, Addr2 = SA, Addr3 = BSSID */
- memcpy(&hdr.addr1, skb->data, ETH_ALEN);
- memcpy(&hdr.addr2, skb->data + ETH_ALEN, ETH_ALEN);
+ skb_copy_from_linear_data(skb, &hdr.addr1, ETH_ALEN);
+ skb_copy_from_linear_data_offset(skb, ETH_ALEN, &hdr.addr2,
+ ETH_ALEN);
memcpy(&hdr.addr3, local->bssid, ETH_ALEN);
}
- hdr.frame_control = cpu_to_le16(fc);
+ hdr.frame_ctl = cpu_to_le16(fc);
skb_pull(skb, skip_header_bytes);
need_headroom = local->func->need_tx_headroom + hdr_len + encaps_len;
iface->stats.tx_packets++;
iface->stats.tx_bytes += skb->len;
- skb->mac.raw = skb->data;
+ skb_reset_mac_header(skb);
meta = (struct hostap_skb_tx_data *) skb->cb;
memset(meta, 0, sizeof(*meta));
meta->magic = HOSTAP_SKB_TX_DATA_MAGIC;
- meta->wds = use_wds;
+ if (use_wds)
+ meta->flags |= HOSTAP_TX_FLAGS_WDS;
meta->ethertype = ethertype;
meta->iface = iface;
struct hostap_interface *iface;
local_info_t *local;
struct hostap_skb_tx_data *meta;
- struct hostap_ieee80211_hdr *hdr;
+ struct ieee80211_hdr_4addr *hdr;
u16 fc;
iface = netdev_priv(dev);
meta->iface = iface;
if (skb->len >= IEEE80211_DATA_HDR3_LEN + sizeof(rfc1042_header) + 2) {
- hdr = (struct hostap_ieee80211_hdr *) skb->data;
- fc = le16_to_cpu(hdr->frame_control);
- if (HOSTAP_FC_GET_TYPE(fc) == WLAN_FC_TYPE_DATA &&
- HOSTAP_FC_GET_STYPE(fc) == WLAN_FC_STYPE_DATA) {
+ hdr = (struct ieee80211_hdr_4addr *) skb->data;
+ fc = le16_to_cpu(hdr->frame_ctl);
+ if (WLAN_FC_GET_TYPE(fc) == IEEE80211_FTYPE_DATA &&
+ WLAN_FC_GET_STYPE(fc) == IEEE80211_STYPE_DATA) {
u8 *pos = &skb->data[IEEE80211_DATA_HDR3_LEN +
sizeof(rfc1042_header)];
meta->ethertype = (pos[0] << 8) | pos[1];
/* Called only from software IRQ */
-struct sk_buff * hostap_tx_encrypt(struct sk_buff *skb,
- struct ieee80211_crypt_data *crypt)
+static struct sk_buff * hostap_tx_encrypt(struct sk_buff *skb,
+ struct ieee80211_crypt_data *crypt)
{
struct hostap_interface *iface;
local_info_t *local;
- struct hostap_ieee80211_hdr *hdr;
+ struct ieee80211_hdr_4addr *hdr;
u16 fc;
- int hdr_len, res;
+ int prefix_len, postfix_len, hdr_len, res;
iface = netdev_priv(skb->dev);
local = iface->local;
}
if (local->tkip_countermeasures &&
- crypt && crypt->ops && strcmp(crypt->ops->name, "TKIP") == 0) {
- hdr = (struct hostap_ieee80211_hdr *) skb->data;
+ strcmp(crypt->ops->name, "TKIP") == 0) {
+ hdr = (struct ieee80211_hdr_4addr *) skb->data;
if (net_ratelimit()) {
printk(KERN_DEBUG "%s: TKIP countermeasures: dropped "
- "TX packet to " MACSTR "\n",
- local->dev->name, MAC2STR(hdr->addr1));
+ "TX packet to " MAC_FMT "\n",
+ local->dev->name,
+ hdr->addr1[0], hdr->addr1[1], hdr->addr1[2],
+ hdr->addr1[3], hdr->addr1[4], hdr->addr1[5]);
}
kfree_skb(skb);
return NULL;
if (skb == NULL)
return NULL;
- if ((skb_headroom(skb) < crypt->ops->extra_prefix_len ||
- skb_tailroom(skb) < crypt->ops->extra_postfix_len) &&
- pskb_expand_head(skb, crypt->ops->extra_prefix_len,
- crypt->ops->extra_postfix_len, GFP_ATOMIC)) {
+ prefix_len = crypt->ops->extra_mpdu_prefix_len +
+ crypt->ops->extra_msdu_prefix_len;
+ postfix_len = crypt->ops->extra_mpdu_postfix_len +
+ crypt->ops->extra_msdu_postfix_len;
+ if ((skb_headroom(skb) < prefix_len ||
+ skb_tailroom(skb) < postfix_len) &&
+ pskb_expand_head(skb, prefix_len, postfix_len, GFP_ATOMIC)) {
kfree_skb(skb);
return NULL;
}
- hdr = (struct hostap_ieee80211_hdr *) skb->data;
- fc = le16_to_cpu(hdr->frame_control);
+ hdr = (struct ieee80211_hdr_4addr *) skb->data;
+ fc = le16_to_cpu(hdr->frame_ctl);
hdr_len = hostap_80211_get_hdrlen(fc);
/* Host-based IEEE 802.11 fragmentation for TX is not yet supported, so
ap_tx_ret tx_ret;
struct hostap_skb_tx_data *meta;
int no_encrypt = 0;
- struct hostap_ieee80211_hdr *hdr;
+ struct ieee80211_hdr_4addr *hdr;
iface = netdev_priv(dev);
local = iface->local;
tx_ret = hostap_handle_sta_tx(local, &tx);
skb = tx.skb;
meta = (struct hostap_skb_tx_data *) skb->cb;
- hdr = (struct hostap_ieee80211_hdr *) skb->data;
- fc = le16_to_cpu(hdr->frame_control);
+ hdr = (struct ieee80211_hdr_4addr *) skb->data;
+ fc = le16_to_cpu(hdr->frame_ctl);
switch (tx_ret) {
case AP_TX_CONTINUE:
break;
case AP_TX_CONTINUE_NOT_AUTHORIZED:
if (local->ieee_802_1x &&
- HOSTAP_FC_GET_TYPE(fc) == WLAN_FC_TYPE_DATA &&
- meta->ethertype != ETH_P_PAE && !meta->wds) {
+ WLAN_FC_GET_TYPE(fc) == IEEE80211_FTYPE_DATA &&
+ meta->ethertype != ETH_P_PAE &&
+ !(meta->flags & HOSTAP_TX_FLAGS_WDS)) {
printk(KERN_DEBUG "%s: dropped frame to unauthorized "
"port (IEEE 802.1X): ethertype=0x%04x\n",
dev->name, meta->ethertype);
/* Request TX callback if protocol version is 2 in 802.11 header;
* this version 2 is a special case used between hostapd and kernel
* driver */
- if (((fc & WLAN_FC_PVER) == BIT(1)) &&
+ if (((fc & IEEE80211_FCTL_VERS) == BIT(1)) &&
local->ap && local->ap->tx_callback_idx && meta->tx_cb_idx == 0) {
meta->tx_cb_idx = local->ap->tx_callback_idx;
/* remove special version from the frame header */
- fc &= ~WLAN_FC_PVER;
- hdr->frame_control = cpu_to_le16(fc);
+ fc &= ~IEEE80211_FCTL_VERS;
+ hdr->frame_ctl = cpu_to_le16(fc);
}
- if (HOSTAP_FC_GET_TYPE(fc) != WLAN_FC_TYPE_DATA) {
+ if (WLAN_FC_GET_TYPE(fc) != IEEE80211_FTYPE_DATA) {
no_encrypt = 1;
tx.crypt = NULL;
}
if (local->ieee_802_1x && meta->ethertype == ETH_P_PAE && tx.crypt &&
- !(fc & WLAN_FC_ISWEP)) {
+ !(fc & IEEE80211_FCTL_PROTECTED)) {
no_encrypt = 1;
PDEBUG(DEBUG_EXTRA2, "%s: TX: IEEE 802.1X - passing "
"unencrypted EAPOL frame\n", dev->name);
else if ((tx.crypt || local->crypt[local->tx_keyidx]) && !no_encrypt) {
/* Add ISWEP flag both for firmware and host based encryption
*/
- fc |= WLAN_FC_ISWEP;
- hdr->frame_control = cpu_to_le16(fc);
+ fc |= IEEE80211_FCTL_PROTECTED;
+ hdr->frame_ctl = cpu_to_le16(fc);
} else if (local->drop_unencrypted &&
- HOSTAP_FC_GET_TYPE(fc) == WLAN_FC_TYPE_DATA &&
+ WLAN_FC_GET_TYPE(fc) == IEEE80211_FTYPE_DATA &&
meta->ethertype != ETH_P_PAE) {
if (net_ratelimit()) {
printk(KERN_DEBUG "%s: dropped unencrypted TX data "
}
-EXPORT_SYMBOL(hostap_dump_tx_80211);
-EXPORT_SYMBOL(hostap_tx_encrypt);
EXPORT_SYMBOL(hostap_master_start_xmit);
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff