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提交 82eaca7d 编写于 作者: M Moritz Muehlenhoff 提交者： Greg Kroah-Hartman
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Staging: wlan-ng: p80211conv.c: Coding style cleanups 

Signed-off-by: NMoritz Muehlenhoff <jmm@debian.org>
Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>
上级 c979aec7
隐藏空白更改
内联 并排
Showing with 141 addition and 141 deletion
drivers/staging/wlan-ng/p80211conv.c
浏览文件 @ 82eaca7d
......@@ -48,10 +48,8 @@
* 802.11 frame conversions.
*
* --------------------------------------------------------------------
*/
/*================================================================*/
/* System Includes */
*
*================================================================ */
#include <linux/module.h>
#include <linux/kernel.h>
......@@ -69,9 +67,6 @@
#include "wlan_compat.h"
/*================================================================*/
/* Project Includes */
#include "p80211types.h"
#include "p80211hdr.h"
#include "p80211conv.h"
......@@ -81,15 +76,8 @@
#include "p80211ioctl.h"
#include "p80211req.h"
/*================================================================*/
/* Local Static Definitions */
static u8 oui_rfc1042[] = {0x00, 0x00, 0x00};
static u8 oui_8021h[] = {0x00, 0x00, 0xf8};
/*================================================================*/
/* Function Definitions */
static u8 oui_rfc1042[] = { 0x00, 0x00, 0x00 };
static u8 oui_8021h[] = { 0x00, 0x00, 0xf8 };
/*----------------------------------------------------------------
* p80211pb_ether_to_80211
......@@ -116,14 +104,16 @@ static u8 oui_8021h[] = {0x00, 0x00, 0xf8};
* Call context:
* May be called in interrupt or non-interrupt context
----------------------------------------------------------------*/
int skb_ether_to_p80211( wlandevice_t *wlandev, u32 ethconv, struct sk_buff *skb, p80211_hdr_t *p80211_hdr, p80211_metawep_t *p80211_wep)
int skb_ether_to_p80211(wlandevice_t *wlandev, u32 ethconv,
struct sk_buff *skb, p80211_hdr_t *p80211_hdr,
p80211_metawep_t *p80211_wep)
{
u16 fc;
u16 proto;
wlan_ethhdr_t e_hdr;
wlan_llc_t *e_llc;
wlan_snap_t *e_snap;
u16 fc;
u16 proto;
wlan_ethhdr_t e_hdr;
wlan_llc_t *e_llc;
wlan_snap_t *e_snap;
int foo;
memcpy(&e_hdr, skb->data, sizeof(e_hdr));
......@@ -133,17 +123,17 @@ int skb_ether_to_p80211( wlandevice_t *wlandev, u32 ethconv, struct sk_buff *skb
return 1;
}
if ( ethconv == WLAN_ETHCONV_ENCAP ) { /* simplest case */
pr_debug("ENCAP len: %d\n", skb->len);
if (ethconv == WLAN_ETHCONV_ENCAP) { /* simplest case */
pr_debug("ENCAP len: %d\n", skb->len);
/* here, we don't care what kind of ether frm. Just stick it */
/* in the 80211 payload */
/* which is to say, leave the skb alone. */
} else {
/* step 1: classify ether frame, DIX or 802.3? */
proto = ntohs(e_hdr.type);
if ( proto <= 1500 ) {
pr_debug("802.3 len: %d\n", skb->len);
/* codes <= 1500 reserved for 802.3 lengths */
if (proto <= 1500) {
pr_debug("802.3 len: %d\n", skb->len);
/* codes <= 1500 reserved for 802.3 lengths */
/* it's 802.3, pass ether payload unchanged, */
/* trim off ethernet header */
......@@ -152,23 +142,28 @@ int skb_ether_to_p80211( wlandevice_t *wlandev, u32 ethconv, struct sk_buff *skb
/* leave off any PAD octets. */
skb_trim(skb, proto);
} else {
pr_debug("DIXII len: %d\n", skb->len);
pr_debug("DIXII len: %d\n", skb->len);
/* it's DIXII, time for some conversion */
/* trim off ethernet header */
skb_pull(skb, WLAN_ETHHDR_LEN);
/* tack on SNAP */
e_snap = (wlan_snap_t *) skb_push(skb, sizeof(wlan_snap_t));
e_snap =
(wlan_snap_t *) skb_push(skb, sizeof(wlan_snap_t));
e_snap->type = htons(proto);
if ( ethconv == WLAN_ETHCONV_8021h && p80211_stt_findproto(proto) ) {
memcpy( e_snap->oui, oui_8021h, WLAN_IEEE_OUI_LEN);
if (ethconv == WLAN_ETHCONV_8021h
&& p80211_stt_findproto(proto)) {
memcpy(e_snap->oui, oui_8021h,
WLAN_IEEE_OUI_LEN);
} else {
memcpy( e_snap->oui, oui_rfc1042, WLAN_IEEE_OUI_LEN);
memcpy(e_snap->oui, oui_rfc1042,
WLAN_IEEE_OUI_LEN);
}
/* tack on llc */
e_llc = (wlan_llc_t *) skb_push(skb, sizeof(wlan_llc_t));
e_llc =
(wlan_llc_t *) skb_push(skb, sizeof(wlan_llc_t));
e_llc->dsap = 0xAA; /* SNAP, see IEEE 802 */
e_llc->ssap = 0xAA;
e_llc->ctl = 0x03;
......@@ -178,10 +173,10 @@ int skb_ether_to_p80211( wlandevice_t *wlandev, u32 ethconv, struct sk_buff *skb
/* Set up the 802.11 header */
/* It's a data frame */
fc = cpu_to_le16( WLAN_SET_FC_FTYPE(WLAN_FTYPE_DATA) |
WLAN_SET_FC_FSTYPE(WLAN_FSTYPE_DATAONLY));
fc = cpu_to_le16(WLAN_SET_FC_FTYPE(WLAN_FTYPE_DATA) |
WLAN_SET_FC_FSTYPE(WLAN_FSTYPE_DATAONLY));
switch ( wlandev->macmode ) {
switch (wlandev->macmode) {
case WLAN_MACMODE_IBSS_STA:
memcpy(p80211_hdr->a3.a1, &e_hdr.daddr, ETH_ALEN);
memcpy(p80211_hdr->a3.a2, wlandev->netdev->dev_addr, ETH_ALEN);
......@@ -200,30 +195,34 @@ int skb_ether_to_p80211( wlandevice_t *wlandev, u32 ethconv, struct sk_buff *skb
memcpy(p80211_hdr->a3.a3, &e_hdr.saddr, ETH_ALEN);
break;
default:
printk(KERN_ERR "Error: Converting eth to wlan in unknown mode.\n");
printk(KERN_ERR
"Error: Converting eth to wlan in unknown mode.\n");
return 1;
break;
}
p80211_wep->data = NULL;
if ((wlandev->hostwep & HOSTWEP_PRIVACYINVOKED) && (wlandev->hostwep & HOSTWEP_ENCRYPT)) {
// XXXX need to pick keynum other than default?
if ((wlandev->hostwep & HOSTWEP_PRIVACYINVOKED)
&& (wlandev->hostwep & HOSTWEP_ENCRYPT)) {
/* XXXX need to pick keynum other than default? */
p80211_wep->data = kmalloc(skb->len, GFP_ATOMIC);
if ((foo = wep_encrypt(wlandev, skb->data, p80211_wep->data,
skb->len,
(wlandev->hostwep & HOSTWEP_DEFAULTKEY_MASK),
p80211_wep->iv, p80211_wep->icv))) {
printk(KERN_WARNING "Host en-WEP failed, dropping frame (%d).\n", foo);
(wlandev->
hostwep & HOSTWEP_DEFAULTKEY_MASK),
p80211_wep->iv, p80211_wep->icv))) {
printk(KERN_WARNING
"Host en-WEP failed, dropping frame (%d).\n",
foo);
return 2;
}
fc |= cpu_to_le16(WLAN_SET_FC_ISWEP(1));
}
// skb->nh.raw = skb->data;
/* skb->nh.raw = skb->data; */
p80211_hdr->a3.fc = fc;
p80211_hdr->a3.dur = 0;
......@@ -236,22 +235,24 @@ int skb_ether_to_p80211( wlandevice_t *wlandev, u32 ethconv, struct sk_buff *skb
static void orinoco_spy_gather(wlandevice_t *wlandev, char *mac,
p80211_rxmeta_t *rxmeta)
{
int i;
int i;
/* Gather wireless spy statistics: for each packet, compare the
* source address with out list, and if match, get the stats... */
/* Gather wireless spy statistics: for each packet, compare the
* source address with out list, and if match, get the stats... */
for (i = 0; i < wlandev->spy_number; i++) {
for (i = 0; i < wlandev->spy_number; i++) {
if (!memcmp(wlandev->spy_address[i], mac, ETH_ALEN)) {
if (!memcmp(wlandev->spy_address[i], mac, ETH_ALEN)) {
memcpy(wlandev->spy_address[i], mac, ETH_ALEN);
wlandev->spy_stat[i].level = rxmeta->signal;
wlandev->spy_stat[i].noise = rxmeta->noise;
wlandev->spy_stat[i].qual = (rxmeta->signal > rxmeta->noise) ? \
(rxmeta->signal - rxmeta->noise) : 0;
wlandev->spy_stat[i].updated = 0x7;
}
}
wlandev->spy_stat[i].level = rxmeta->signal;
wlandev->spy_stat[i].noise = rxmeta->noise;
wlandev->spy_stat[i].qual =
(rxmeta->signal >
rxmeta->noise) ? (rxmeta->signal -
rxmeta->noise) : 0;
wlandev->spy_stat[i].updated = 0x7;
}
}
}
/*----------------------------------------------------------------
......@@ -273,18 +274,19 @@ static void orinoco_spy_gather(wlandevice_t *wlandev, char *mac,
* Call context:
* May be called in interrupt or non-interrupt context
----------------------------------------------------------------*/
int skb_p80211_to_ether( wlandevice_t *wlandev, u32 ethconv, struct sk_buff *skb)
int skb_p80211_to_ether(wlandevice_t *wlandev, u32 ethconv,
struct sk_buff *skb)
{
netdevice_t *netdev = wlandev->netdev;
u16 fc;
unsigned int payload_length;
unsigned int payload_offset;
u8 daddr[WLAN_ETHADDR_LEN];
u8 saddr[WLAN_ETHADDR_LEN];
p80211_hdr_t *w_hdr;
wlan_ethhdr_t *e_hdr;
wlan_llc_t *e_llc;
wlan_snap_t *e_snap;
netdevice_t *netdev = wlandev->netdev;
u16 fc;
unsigned int payload_length;
unsigned int payload_offset;
u8 daddr[WLAN_ETHADDR_LEN];
u8 saddr[WLAN_ETHADDR_LEN];
p80211_hdr_t *w_hdr;
wlan_ethhdr_t *e_hdr;
wlan_llc_t *e_llc;
wlan_snap_t *e_snap;
int foo;
......@@ -293,15 +295,15 @@ int skb_p80211_to_ether( wlandevice_t *wlandev, u32 ethconv, struct sk_buff *skb
w_hdr = (p80211_hdr_t *) skb->data;
/* setup some vars for convenience */
/* setup some vars for convenience */
fc = le16_to_cpu(w_hdr->a3.fc);
if ( (WLAN_GET_FC_TODS(fc) == 0) && (WLAN_GET_FC_FROMDS(fc) == 0) ) {
if ((WLAN_GET_FC_TODS(fc) == 0) && (WLAN_GET_FC_FROMDS(fc) == 0)) {
memcpy(daddr, w_hdr->a3.a1, WLAN_ETHADDR_LEN);
memcpy(saddr, w_hdr->a3.a2, WLAN_ETHADDR_LEN);
} else if( (WLAN_GET_FC_TODS(fc) == 0) && (WLAN_GET_FC_FROMDS(fc) == 1) ) {
} else if ((WLAN_GET_FC_TODS(fc) == 0) && (WLAN_GET_FC_FROMDS(fc) == 1)) {
memcpy(daddr, w_hdr->a3.a1, WLAN_ETHADDR_LEN);
memcpy(saddr, w_hdr->a3.a3, WLAN_ETHADDR_LEN);
} else if( (WLAN_GET_FC_TODS(fc) == 1) && (WLAN_GET_FC_FROMDS(fc) == 0) ) {
} else if ((WLAN_GET_FC_TODS(fc) == 1) && (WLAN_GET_FC_FROMDS(fc) == 0)) {
memcpy(daddr, w_hdr->a3.a3, WLAN_ETHADDR_LEN);
memcpy(saddr, w_hdr->a3.a2, WLAN_ETHADDR_LEN);
} else {
......@@ -316,18 +318,22 @@ int skb_p80211_to_ether( wlandevice_t *wlandev, u32 ethconv, struct sk_buff *skb
}
/* perform de-wep if necessary.. */
if ((wlandev->hostwep & HOSTWEP_PRIVACYINVOKED) && WLAN_GET_FC_ISWEP(fc) && (wlandev->hostwep & HOSTWEP_DECRYPT)) {
if ((wlandev->hostwep & HOSTWEP_PRIVACYINVOKED) && WLAN_GET_FC_ISWEP(fc)
&& (wlandev->hostwep & HOSTWEP_DECRYPT)) {
if (payload_length <= 8) {
printk(KERN_ERR "WEP frame too short (%u).\n",
skb->len);
skb->len);
return 1;
}
if ((foo = wep_decrypt(wlandev, skb->data + payload_offset + 4,
payload_length - 8, -1,
skb->data + payload_offset,
skb->data + payload_offset + payload_length - 4))) {
skb->data + payload_offset +
payload_length - 4))) {
/* de-wep failed, drop skb. */
pr_debug("Host de-WEP failed, dropping frame (%d).\n", foo);
printk(KERN_DEBUG
"Host de-WEP failed, dropping frame (%d).\n",
foo);
wlandev->rx.decrypt_err++;
return 2;
}
......@@ -345,21 +351,22 @@ int skb_p80211_to_ether( wlandevice_t *wlandev, u32 ethconv, struct sk_buff *skb
e_hdr = (wlan_ethhdr_t *) (skb->data + payload_offset);
e_llc = (wlan_llc_t *) (skb->data + payload_offset);
e_snap = (wlan_snap_t *) (skb->data + payload_offset + sizeof(wlan_llc_t));
e_snap =
(wlan_snap_t *) (skb->data + payload_offset + sizeof(wlan_llc_t));
/* Test for the various encodings */
if ( (payload_length >= sizeof(wlan_ethhdr_t)) &&
( e_llc->dsap != 0xaa || e_llc->ssap != 0xaa ) &&
((memcmp(daddr, e_hdr->daddr, WLAN_ETHADDR_LEN) == 0) ||
if ((payload_length >= sizeof(wlan_ethhdr_t)) &&
(e_llc->dsap != 0xaa || e_llc->ssap != 0xaa) &&
((memcmp(daddr, e_hdr->daddr, WLAN_ETHADDR_LEN) == 0) ||
(memcmp(saddr, e_hdr->saddr, WLAN_ETHADDR_LEN) == 0))) {
pr_debug("802.3 ENCAP len: %d\n", payload_length);
/* 802.3 Encapsulated */
/* Test for an overlength frame */
if ( payload_length > (netdev->mtu + WLAN_ETHHDR_LEN)) {
if (payload_length > (netdev->mtu + WLAN_ETHHDR_LEN)) {
/* A bogus length ethfrm has been encap'd. */
/* Is someone trying an oflow attack? */
printk(KERN_ERR "ENCAP frame too large (%d > %d)\n",
payload_length, netdev->mtu + WLAN_ETHHDR_LEN);
payload_length, netdev->mtu + WLAN_ETHHDR_LEN);
return 1;
}
......@@ -368,25 +375,25 @@ int skb_p80211_to_ether( wlandevice_t *wlandev, u32 ethconv, struct sk_buff *skb
/* chop off the 802.11 CRC */
skb_trim(skb, skb->len - WLAN_CRC_LEN);
} else if ((payload_length >= sizeof(wlan_llc_t) + sizeof(wlan_snap_t)) &&
(e_llc->dsap == 0xaa) &&
(e_llc->ssap == 0xaa) &&
(e_llc->ctl == 0x03) &&
(((memcmp( e_snap->oui, oui_rfc1042, WLAN_IEEE_OUI_LEN)==0) &&
(ethconv == WLAN_ETHCONV_8021h) &&
(p80211_stt_findproto(le16_to_cpu(e_snap->type)))) ||
(memcmp( e_snap->oui, oui_rfc1042, WLAN_IEEE_OUI_LEN)!=0)))
{
} else if ((payload_length >= sizeof(wlan_llc_t) + sizeof(wlan_snap_t))
&& (e_llc->dsap == 0xaa) && (e_llc->ssap == 0xaa)
&& (e_llc->ctl == 0x03)
&&
(((memcmp(e_snap->oui, oui_rfc1042, WLAN_IEEE_OUI_LEN) == 0)
&& (ethconv == WLAN_ETHCONV_8021h)
&& (p80211_stt_findproto(le16_to_cpu(e_snap->type))))
|| (memcmp(e_snap->oui, oui_rfc1042, WLAN_IEEE_OUI_LEN) !=
0))) {
pr_debug("SNAP+RFC1042 len: %d\n", payload_length);
/* it's a SNAP + RFC1042 frame && protocol is in STT */
/* build 802.3 + RFC1042 */
/* Test for an overlength frame */
if ( payload_length > netdev->mtu ) {
if (payload_length > netdev->mtu) {
/* A bogus length ethfrm has been sent. */
/* Is someone trying an oflow attack? */
printk(KERN_ERR "SNAP frame too large (%d > %d)\n",
payload_length, netdev->mtu);
payload_length, netdev->mtu);
return 1;
}
......@@ -402,10 +409,9 @@ int skb_p80211_to_ether( wlandevice_t *wlandev, u32 ethconv, struct sk_buff *skb
/* chop off the 802.11 CRC */
skb_trim(skb, skb->len - WLAN_CRC_LEN);
} else if ((payload_length >= sizeof(wlan_llc_t) + sizeof(wlan_snap_t)) &&
(e_llc->dsap == 0xaa) &&
(e_llc->ssap == 0xaa) &&
(e_llc->ctl == 0x03) ) {
} else if ((payload_length >= sizeof(wlan_llc_t) + sizeof(wlan_snap_t))
&& (e_llc->dsap == 0xaa) && (e_llc->ssap == 0xaa)
&& (e_llc->ctl == 0x03)) {
pr_debug("802.1h/RFC1042 len: %d\n", payload_length);
/* it's an 802.1h frame || (an RFC1042 && protocol is not in STT) */
/* build a DIXII + RFC894 */
......@@ -416,9 +422,8 @@ int skb_p80211_to_ether( wlandevice_t *wlandev, u32 ethconv, struct sk_buff *skb
/* A bogus length ethfrm has been sent. */
/* Is someone trying an oflow attack? */
printk(KERN_ERR "DIXII frame too large (%ld > %d)\n",
(long int) (payload_length - sizeof(wlan_llc_t) -
sizeof(wlan_snap_t)),
netdev->mtu);
(long int)(payload_length - sizeof(wlan_llc_t) -
sizeof(wlan_snap_t)), netdev->mtu);
return 1;
}
......@@ -447,12 +452,11 @@ int skb_p80211_to_ether( wlandevice_t *wlandev, u32 ethconv, struct sk_buff *skb
/* allocate space and setup hostbuf */
/* Test for an overlength frame */
if ( payload_length > netdev->mtu ) {
if (payload_length > netdev->mtu) {
/* A bogus length ethfrm has been sent. */
/* Is someone trying an oflow attack? */
printk(KERN_ERR "OTHER frame too large (%d > %d)\n",
payload_length,
netdev->mtu);
payload_length, netdev->mtu);
return 1;
}
......@@ -470,21 +474,22 @@ int skb_p80211_to_ether( wlandevice_t *wlandev, u32 ethconv, struct sk_buff *skb
}
/*
* Note that eth_type_trans() expects an skb w/ skb->data pointing
* at the MAC header, it then sets the following skb members:
* skb->mac_header,
* skb->data, and
* skb->pkt_type.
* It then _returns_ the value that _we're_ supposed to stuff in
* skb->protocol. This is nuts.
*/
/*
* Note that eth_type_trans() expects an skb w/ skb->data pointing
* at the MAC header, it then sets the following skb members:
* skb->mac_header,
* skb->data, and
* skb->pkt_type.
* It then _returns_ the value that _we're_ supposed to stuff in
* skb->protocol. This is nuts.
*/
skb->protocol = eth_type_trans(skb, netdev);
/* jkriegl: process signal and noise as set in hfa384x_int_rx() */
/* jkriegl: process signal and noise as set in hfa384x_int_rx() */
/* jkriegl: only process signal/noise if requested by iwspy */
if (wlandev->spy_number)
orinoco_spy_gather(wlandev, eth_hdr(skb)->h_source, P80211SKB_RXMETA(skb));
if (wlandev->spy_number)
orinoco_spy_gather(wlandev, eth_hdr(skb)->h_source,
P80211SKB_RXMETA(skb));
/* Free the metadata */
p80211skb_rxmeta_detach(skb);
......@@ -513,11 +518,11 @@ int p80211_stt_findproto(u16 proto)
/* Always return found for now. This is the behavior used by the */
/* Zoom Win95 driver when 802.1h mode is selected */
/* TODO: If necessary, add an actual search we'll probably
need this to match the CMAC's way of doing things.
Need to do some testing to confirm.
*/
need this to match the CMAC's way of doing things.
Need to do some testing to confirm.
*/
if (proto == 0x80f3) /* APPLETALK */
if (proto == 0x80f3) /* APPLETALK */
return 1;
return 0;
......@@ -538,24 +543,23 @@ int p80211_stt_findproto(u16 proto)
* Call context:
* May be called in interrupt or non-interrupt context
----------------------------------------------------------------*/
void
p80211skb_rxmeta_detach(struct sk_buff *skb)
void p80211skb_rxmeta_detach(struct sk_buff *skb)
{
p80211_rxmeta_t *rxmeta;
p80211_frmmeta_t *frmmeta;
p80211_rxmeta_t *rxmeta;
p80211_frmmeta_t *frmmeta;
/* Sanity checks */
if ( skb==NULL ) { /* bad skb */
if (skb == NULL) { /* bad skb */
pr_debug("Called w/ null skb.\n");
goto exit;
}
frmmeta = P80211SKB_FRMMETA(skb);
if ( frmmeta == NULL ) { /* no magic */
if (frmmeta == NULL) { /* no magic */
pr_debug("Called w/ bad frmmeta magic.\n");
goto exit;
}
rxmeta = frmmeta->rx;
if ( rxmeta == NULL ) { /* bad meta ptr */
if (rxmeta == NULL) { /* bad meta ptr */
pr_debug("Called w/ bad rxmeta ptr.\n");
goto exit;
}
......@@ -585,17 +589,16 @@ p80211skb_rxmeta_detach(struct sk_buff *skb)
* Call context:
* May be called in interrupt or non-interrupt context
----------------------------------------------------------------*/
int
p80211skb_rxmeta_attach(struct wlandevice *wlandev, struct sk_buff *skb)
int p80211skb_rxmeta_attach(struct wlandevice *wlandev, struct sk_buff *skb)
{
int result = 0;
p80211_rxmeta_t *rxmeta;
p80211_frmmeta_t *frmmeta;
int result = 0;
p80211_rxmeta_t *rxmeta;
p80211_frmmeta_t *frmmeta;
/* If these already have metadata, we error out! */
if (P80211SKB_RXMETA(skb) != NULL) {
printk(KERN_ERR "%s: RXmeta already attached!\n",
wlandev->name);
wlandev->name);
result = 0;
goto exit;
}
......@@ -603,9 +606,9 @@ p80211skb_rxmeta_attach(struct wlandevice *wlandev, struct sk_buff *skb)
/* Allocate the rxmeta */
rxmeta = kmalloc(sizeof(p80211_rxmeta_t), GFP_ATOMIC);
if ( rxmeta == NULL ) {
if (rxmeta == NULL) {
printk(KERN_ERR "%s: Failed to allocate rxmeta.\n",
wlandev->name);
wlandev->name);
result = 1;
goto exit;
}
......@@ -617,7 +620,7 @@ p80211skb_rxmeta_attach(struct wlandevice *wlandev, struct sk_buff *skb)
/* Overlay a frmmeta_t onto skb->cb */
memset(skb->cb, 0, sizeof(p80211_frmmeta_t));
frmmeta = (p80211_frmmeta_t*)(skb->cb);
frmmeta = (p80211_frmmeta_t *) (skb->cb);
frmmeta->magic = P80211_FRMMETA_MAGIC;
frmmeta->rx = rxmeta;
exit:
......@@ -640,18 +643,15 @@ p80211skb_rxmeta_attach(struct wlandevice *wlandev, struct sk_buff *skb)
* Call context:
* May be called in interrupt or non-interrupt context
----------------------------------------------------------------*/
void
p80211skb_free(struct wlandevice *wlandev, struct sk_buff *skb)
void p80211skb_free(struct wlandevice *wlandev, struct sk_buff *skb)
{
p80211_frmmeta_t *meta;
p80211_frmmeta_t *meta;
meta = P80211SKB_FRMMETA(skb);
if ( meta && meta->rx) {
if (meta && meta->rx)
p80211skb_rxmeta_detach(skb);
} else {
else
printk(KERN_ERR "Freeing an skb (%p) w/ no frmmeta.\n", skb);
}
dev_kfree_skb(skb);
return;
}
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