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path: root/drivers/net/wireless/hostap/hostap_80211_rx.c
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Diffstat (limited to 'drivers/net/wireless/hostap/hostap_80211_rx.c')
-rw-r--r--drivers/net/wireless/hostap/hostap_80211_rx.c111
1 files changed, 52 insertions, 59 deletions
diff --git a/drivers/net/wireless/hostap/hostap_80211_rx.c b/drivers/net/wireless/hostap/hostap_80211_rx.c
index 19b1bf0478b..3816df96a66 100644
--- a/drivers/net/wireless/hostap/hostap_80211_rx.c
+++ b/drivers/net/wireless/hostap/hostap_80211_rx.c
@@ -1,5 +1,6 @@
#include <linux/etherdevice.h>
#include <net/lib80211.h>
+#include <linux/if_arp.h>
#include "hostap_80211.h"
#include "hostap.h"
@@ -17,10 +18,10 @@ static unsigned char bridge_tunnel_header[] =
void hostap_dump_rx_80211(const char *name, struct sk_buff *skb,
struct hostap_80211_rx_status *rx_stats)
{
- struct ieee80211_hdr_4addr *hdr;
+ struct ieee80211_hdr *hdr;
u16 fc;
- hdr = (struct ieee80211_hdr_4addr *) skb->data;
+ hdr = (struct ieee80211_hdr *) skb->data;
printk(KERN_DEBUG "%s: RX signal=%d noise=%d rate=%d len=%d "
"jiffies=%ld\n",
@@ -30,9 +31,10 @@ void hostap_dump_rx_80211(const char *name, struct sk_buff *skb,
if (skb->len < 2)
return;
- fc = le16_to_cpu(hdr->frame_ctl);
+ fc = le16_to_cpu(hdr->frame_control);
printk(KERN_DEBUG " FC=0x%04x (type=%d:%d)%s%s",
- fc, WLAN_FC_GET_TYPE(fc) >> 2, WLAN_FC_GET_STYPE(fc) >> 4,
+ fc, (fc & IEEE80211_FCTL_FTYPE) >> 2,
+ (fc & IEEE80211_FCTL_STYPE) >> 4,
fc & IEEE80211_FCTL_TODS ? " [ToDS]" : "",
fc & IEEE80211_FCTL_FROMDS ? " [FromDS]" : "");
@@ -42,7 +44,7 @@ void hostap_dump_rx_80211(const char *name, struct sk_buff *skb,
}
printk(" dur=0x%04x seq=0x%04x\n", le16_to_cpu(hdr->duration_id),
- le16_to_cpu(hdr->seq_ctl));
+ le16_to_cpu(hdr->seq_ctrl));
printk(KERN_DEBUG " A1=%pM", hdr->addr1);
printk(" A2=%pM", hdr->addr2);
@@ -63,7 +65,7 @@ int prism2_rx_80211(struct net_device *dev, struct sk_buff *skb,
int hdrlen, phdrlen, head_need, tail_need;
u16 fc;
int prism_header, ret;
- struct ieee80211_hdr_4addr *fhdr;
+ struct ieee80211_hdr *fhdr;
iface = netdev_priv(dev);
local = iface->local;
@@ -84,8 +86,8 @@ int prism2_rx_80211(struct net_device *dev, struct sk_buff *skb,
phdrlen = 0;
}
- fhdr = (struct ieee80211_hdr_4addr *) skb->data;
- fc = le16_to_cpu(fhdr->frame_ctl);
+ fhdr = (struct ieee80211_hdr *) skb->data;
+ fc = le16_to_cpu(fhdr->frame_control);
if (type == PRISM2_RX_MGMT && (fc & IEEE80211_FCTL_VERS)) {
printk(KERN_DEBUG "%s: dropped management frame with header "
@@ -94,7 +96,7 @@ int prism2_rx_80211(struct net_device *dev, struct sk_buff *skb,
return 0;
}
- hdrlen = hostap_80211_get_hdrlen(fc);
+ hdrlen = hostap_80211_get_hdrlen(fhdr->frame_control);
/* check if there is enough room for extra data; if not, expand skb
* buffer to be large enough for the changes */
@@ -193,7 +195,7 @@ hdr->f.status = s; hdr->f.len = l; hdr->f.data = d
if (prism_header)
skb_pull(skb, phdrlen);
skb->pkt_type = PACKET_OTHERHOST;
- skb->protocol = __constant_htons(ETH_P_802_2);
+ skb->protocol = cpu_to_be16(ETH_P_802_2);
memset(skb->cb, 0, sizeof(skb->cb));
netif_rx(skb);
@@ -205,13 +207,11 @@ hdr->f.status = s; hdr->f.len = l; hdr->f.data = d
static void monitor_rx(struct net_device *dev, struct sk_buff *skb,
struct hostap_80211_rx_status *rx_stats)
{
- struct net_device_stats *stats;
int len;
len = prism2_rx_80211(dev, skb, rx_stats, PRISM2_RX_MONITOR);
- stats = hostap_get_stats(dev);
- stats->rx_packets++;
- stats->rx_bytes += len;
+ dev->stats.rx_packets++;
+ dev->stats.rx_bytes += len;
}
@@ -247,21 +247,21 @@ prism2_frag_cache_find(local_info_t *local, unsigned int seq,
/* Called only as a tasklet (software IRQ) */
static struct sk_buff *
-prism2_frag_cache_get(local_info_t *local, struct ieee80211_hdr_4addr *hdr)
+prism2_frag_cache_get(local_info_t *local, struct ieee80211_hdr *hdr)
{
struct sk_buff *skb = NULL;
u16 sc;
unsigned int frag, seq;
struct prism2_frag_entry *entry;
- sc = le16_to_cpu(hdr->seq_ctl);
- frag = WLAN_GET_SEQ_FRAG(sc);
- seq = WLAN_GET_SEQ_SEQ(sc) >> 4;
+ sc = le16_to_cpu(hdr->seq_ctrl);
+ frag = sc & IEEE80211_SCTL_FRAG;
+ seq = (sc & IEEE80211_SCTL_SEQ) >> 4;
if (frag == 0) {
/* Reserve enough space to fit maximum frame length */
skb = dev_alloc_skb(local->dev->mtu +
- sizeof(struct ieee80211_hdr_4addr) +
+ sizeof(struct ieee80211_hdr) +
8 /* LLC */ +
2 /* alignment */ +
8 /* WEP */ + ETH_ALEN /* WDS */);
@@ -299,14 +299,14 @@ prism2_frag_cache_get(local_info_t *local, struct ieee80211_hdr_4addr *hdr)
/* Called only as a tasklet (software IRQ) */
static int prism2_frag_cache_invalidate(local_info_t *local,
- struct ieee80211_hdr_4addr *hdr)
+ struct ieee80211_hdr *hdr)
{
u16 sc;
unsigned int seq;
struct prism2_frag_entry *entry;
- sc = le16_to_cpu(hdr->seq_ctl);
- seq = WLAN_GET_SEQ_SEQ(sc) >> 4;
+ sc = le16_to_cpu(hdr->seq_ctrl);
+ seq = (sc & IEEE80211_SCTL_SEQ) >> 4;
entry = prism2_frag_cache_find(local, seq, -1, hdr->addr2, hdr->addr1);
@@ -472,10 +472,8 @@ hostap_rx_frame_mgmt(local_info_t *local, struct sk_buff *skb,
struct hostap_80211_rx_status *rx_stats, u16 type,
u16 stype)
{
- if (local->iw_mode == IW_MODE_MASTER) {
- hostap_update_sta_ps(local, (struct ieee80211_hdr_4addr *)
- skb->data);
- }
+ if (local->iw_mode == IW_MODE_MASTER)
+ hostap_update_sta_ps(local, (struct ieee80211_hdr *) skb->data);
if (local->hostapd && type == IEEE80211_FTYPE_MGMT) {
if (stype == IEEE80211_STYPE_BEACON &&
@@ -552,8 +550,8 @@ static struct net_device *prism2_rx_get_wds(local_info_t *local,
static int
-hostap_rx_frame_wds(local_info_t *local, struct ieee80211_hdr_4addr *hdr,
- u16 fc, struct net_device **wds)
+hostap_rx_frame_wds(local_info_t *local, struct ieee80211_hdr *hdr, u16 fc,
+ struct net_device **wds)
{
/* FIX: is this really supposed to accept WDS frames only in Master
* mode? What about Repeater or Managed with WDS frames? */
@@ -611,14 +609,14 @@ static int hostap_is_eapol_frame(local_info_t *local, struct sk_buff *skb)
{
struct net_device *dev = local->dev;
u16 fc, ethertype;
- struct ieee80211_hdr_4addr *hdr;
+ struct ieee80211_hdr *hdr;
u8 *pos;
if (skb->len < 24)
return 0;
- hdr = (struct ieee80211_hdr_4addr *) skb->data;
- fc = le16_to_cpu(hdr->frame_ctl);
+ hdr = (struct ieee80211_hdr *) skb->data;
+ fc = le16_to_cpu(hdr->frame_control);
/* check that the frame is unicast frame to us */
if ((fc & (IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS)) ==
@@ -651,14 +649,14 @@ static int
hostap_rx_frame_decrypt(local_info_t *local, struct sk_buff *skb,
struct lib80211_crypt_data *crypt)
{
- struct ieee80211_hdr_4addr *hdr;
+ struct ieee80211_hdr *hdr;
int res, hdrlen;
if (crypt == NULL || crypt->ops->decrypt_mpdu == NULL)
return 0;
- hdr = (struct ieee80211_hdr_4addr *) skb->data;
- hdrlen = hostap_80211_get_hdrlen(le16_to_cpu(hdr->frame_ctl));
+ hdr = (struct ieee80211_hdr *) skb->data;
+ hdrlen = hostap_80211_get_hdrlen(hdr->frame_control);
if (local->tkip_countermeasures &&
strcmp(crypt->ops->name, "TKIP") == 0) {
@@ -689,14 +687,14 @@ static int
hostap_rx_frame_decrypt_msdu(local_info_t *local, struct sk_buff *skb,
int keyidx, struct lib80211_crypt_data *crypt)
{
- struct ieee80211_hdr_4addr *hdr;
+ struct ieee80211_hdr *hdr;
int res, hdrlen;
if (crypt == NULL || crypt->ops->decrypt_msdu == NULL)
return 0;
- hdr = (struct ieee80211_hdr_4addr *) skb->data;
- hdrlen = hostap_80211_get_hdrlen(le16_to_cpu(hdr->frame_ctl));
+ hdr = (struct ieee80211_hdr *) skb->data;
+ hdrlen = hostap_80211_get_hdrlen(hdr->frame_control);
atomic_inc(&crypt->refcnt);
res = crypt->ops->decrypt_msdu(skb, keyidx, hdrlen, crypt->priv);
@@ -720,11 +718,10 @@ void hostap_80211_rx(struct net_device *dev, struct sk_buff *skb,
{
struct hostap_interface *iface;
local_info_t *local;
- struct ieee80211_hdr_4addr *hdr;
+ struct ieee80211_hdr *hdr;
size_t hdrlen;
u16 fc, type, stype, sc;
struct net_device *wds = NULL;
- struct net_device_stats *stats;
unsigned int frag;
u8 *payload;
struct sk_buff *skb2 = NULL;
@@ -747,18 +744,17 @@ void hostap_80211_rx(struct net_device *dev, struct sk_buff *skb,
dev = local->ddev;
iface = netdev_priv(dev);
- hdr = (struct ieee80211_hdr_4addr *) skb->data;
- stats = hostap_get_stats(dev);
+ hdr = (struct ieee80211_hdr *) skb->data;
if (skb->len < 10)
goto rx_dropped;
- fc = le16_to_cpu(hdr->frame_ctl);
- type = WLAN_FC_GET_TYPE(fc);
- stype = WLAN_FC_GET_STYPE(fc);
- sc = le16_to_cpu(hdr->seq_ctl);
- frag = WLAN_GET_SEQ_FRAG(sc);
- hdrlen = hostap_80211_get_hdrlen(fc);
+ fc = le16_to_cpu(hdr->frame_control);
+ type = fc & IEEE80211_FCTL_FTYPE;
+ stype = fc & IEEE80211_FCTL_STYPE;
+ sc = le16_to_cpu(hdr->seq_ctrl);
+ frag = sc & IEEE80211_SCTL_FRAG;
+ hdrlen = hostap_80211_get_hdrlen(hdr->frame_control);
/* Put this code here so that we avoid duplicating it in all
* Rx paths. - Jean II */
@@ -866,10 +862,8 @@ void hostap_80211_rx(struct net_device *dev, struct sk_buff *skb,
if (hostap_rx_frame_wds(local, hdr, fc, &wds))
goto rx_dropped;
- if (wds) {
+ if (wds)
skb->dev = dev = wds;
- stats = hostap_get_stats(dev);
- }
if (local->iw_mode == IW_MODE_MASTER && !wds &&
(fc & (IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS)) ==
@@ -878,7 +872,6 @@ void hostap_80211_rx(struct net_device *dev, struct sk_buff *skb,
memcmp(hdr->addr2, local->assoc_ap_addr, ETH_ALEN) == 0) {
/* Frame from BSSID of the AP for which we are a client */
skb->dev = dev = local->stadev;
- stats = hostap_get_stats(dev);
from_assoc_ap = 1;
}
@@ -918,7 +911,7 @@ void hostap_80211_rx(struct net_device *dev, struct sk_buff *skb,
if (local->host_decrypt && (fc & IEEE80211_FCTL_PROTECTED) &&
(keyidx = hostap_rx_frame_decrypt(local, skb, crypt)) < 0)
goto rx_dropped;
- hdr = (struct ieee80211_hdr_4addr *) skb->data;
+ hdr = (struct ieee80211_hdr *) skb->data;
/* skb: hdr + (possibly fragmented) plaintext payload */
@@ -931,7 +924,7 @@ void hostap_80211_rx(struct net_device *dev, struct sk_buff *skb,
printk(KERN_DEBUG "%s: Rx cannot get skb from "
"fragment cache (morefrag=%d seq=%u frag=%u)\n",
dev->name, (fc & IEEE80211_FCTL_MOREFRAGS) != 0,
- WLAN_GET_SEQ_SEQ(sc) >> 4, frag);
+ (sc & IEEE80211_SCTL_SEQ) >> 4, frag);
goto rx_dropped;
}
@@ -972,7 +965,7 @@ void hostap_80211_rx(struct net_device *dev, struct sk_buff *skb,
/* this was the last fragment and the frame will be
* delivered, so remove skb from fragment cache */
skb = frag_skb;
- hdr = (struct ieee80211_hdr_4addr *) skb->data;
+ hdr = (struct ieee80211_hdr *) skb->data;
prism2_frag_cache_invalidate(local, hdr);
}
@@ -983,7 +976,7 @@ void hostap_80211_rx(struct net_device *dev, struct sk_buff *skb,
hostap_rx_frame_decrypt_msdu(local, skb, keyidx, crypt))
goto rx_dropped;
- hdr = (struct ieee80211_hdr_4addr *) skb->data;
+ hdr = (struct ieee80211_hdr *) skb->data;
if (crypt && !(fc & IEEE80211_FCTL_PROTECTED) && !local->open_wep) {
if (local->ieee_802_1x &&
hostap_is_eapol_frame(local, skb)) {
@@ -1069,8 +1062,8 @@ void hostap_80211_rx(struct net_device *dev, struct sk_buff *skb,
skb_trim(skb, skb->len - ETH_ALEN);
}
- stats->rx_packets++;
- stats->rx_bytes += skb->len;
+ dev->stats.rx_packets++;
+ dev->stats.rx_bytes += skb->len;
if (local->iw_mode == IW_MODE_MASTER && !wds &&
local->ap->bridge_packets) {
@@ -1094,7 +1087,7 @@ void hostap_80211_rx(struct net_device *dev, struct sk_buff *skb,
if (skb2 != NULL) {
/* send to wireless media */
skb2->dev = dev;
- skb2->protocol = __constant_htons(ETH_P_802_3);
+ skb2->protocol = cpu_to_be16(ETH_P_802_3);
skb_reset_mac_header(skb2);
skb_reset_network_header(skb2);
/* skb2->network_header += ETH_HLEN; */
@@ -1115,7 +1108,7 @@ void hostap_80211_rx(struct net_device *dev, struct sk_buff *skb,
rx_dropped:
dev_kfree_skb(skb);
- stats->rx_dropped++;
+ dev->stats.rx_dropped++;
goto rx_exit;
}
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-04 16:17:08 +0000