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yaml
---
r: 266784
b: refs/heads/master
c: f8e4b41
h: refs/heads/master
v: v3
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Alwin Beukers authored and John W. Linville committed Oct 14, 2011
1 parent a5cc8cb commit bdf2a86
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Showing 4 changed files with 38 additions and 43 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: b0551fb7e01d76165367ce77ddfcb80009b31427
refs/heads/master: f8e4b412c9df596557baf36f9d9635fd4f55a2a0
39 changes: 37 additions & 2 deletions trunk/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c
Original file line number Diff line number Diff line change
Expand Up @@ -247,6 +247,13 @@ static const u32 __wl_cipher_suites[] = {
WLAN_CIPHER_SUITE_AES_CMAC,
};

/* tag_ID/length/value_buffer tuple */
struct brcmf_tlv {
u8 id;
u8 len;
u8 data[1];
};

/* Quarter dBm units to mW
* Table starts at QDBM_OFFSET, so the first entry is mW for qdBm=153
* Table is offset so the last entry is largest mW value that fits in
Expand Down Expand Up @@ -2151,11 +2158,39 @@ static bool brcmf_is_ibssmode(struct brcmf_cfg80211_priv *cfg_priv)
return cfg_priv->conf->mode == WL_MODE_IBSS;
}

/*
* Traverse a string of 1-byte tag/1-byte length/variable-length value
* triples, returning a pointer to the substring whose first element
* matches tag
*/
static struct brcmf_tlv *brcmf_parse_tlvs(void *buf, int buflen, uint key)
{
struct brcmf_tlv *elt;
int totlen;

elt = (struct brcmf_tlv *) buf;
totlen = buflen;

/* find tagged parameter */
while (totlen >= 2) {
int len = elt->len;

/* validate remaining totlen */
if ((elt->id == key) && (totlen >= (len + 2)))
return elt;

elt = (struct brcmf_tlv *) ((u8 *) elt + (len + 2));
totlen -= (len + 2);
}

return NULL;
}

static s32 brcmf_update_bss_info(struct brcmf_cfg80211_priv *cfg_priv)
{
struct brcmf_bss_info *bi;
struct brcmf_ssid *ssid;
struct brcmu_tlv *tim;
struct brcmf_tlv *tim;
u16 beacon_interval;
u8 dtim_period;
size_t ie_len;
Expand Down Expand Up @@ -2185,7 +2220,7 @@ static s32 brcmf_update_bss_info(struct brcmf_cfg80211_priv *cfg_priv)
ie_len = le32_to_cpu(bi->ie_length);
beacon_interval = le16_to_cpu(bi->beacon_period);

tim = brcmu_parse_tlvs(ie, ie_len, WLAN_EID_TIM);
tim = brcmf_parse_tlvs(ie, ie_len, WLAN_EID_TIM);
if (tim)
dtim_period = tim->data[1];
else {
Expand Down
30 changes: 0 additions & 30 deletions trunk/drivers/net/wireless/brcm80211/brcmutil/utils.c
Original file line number Diff line number Diff line change
Expand Up @@ -364,36 +364,6 @@ void brcmu_prpkt(const char *msg, struct sk_buff *p0)
EXPORT_SYMBOL(brcmu_prpkt);
#endif /* defined(BCMDBG) */

/*
* Traverse a string of 1-byte tag/1-byte length/variable-length value
* triples, returning a pointer to the substring whose first element
* matches tag
*/
struct brcmu_tlv *brcmu_parse_tlvs(void *buf, int buflen, uint key)
{
struct brcmu_tlv *elt;
int totlen;

elt = (struct brcmu_tlv *) buf;
totlen = buflen;

/* find tagged parameter */
while (totlen >= 2) {
int len = elt->len;

/* validate remaining totlen */
if ((elt->id == key) && (totlen >= (len + 2)))
return elt;

elt = (struct brcmu_tlv *) ((u8 *) elt + (len + 2));
totlen -= (len + 2);
}

return NULL;
}
EXPORT_SYMBOL(brcmu_parse_tlvs);


#if defined(BCMDBG)
int
brcmu_format_flags(const struct brcmu_bit_desc *bd, u32 flags, char *buf,
Expand Down
10 changes: 0 additions & 10 deletions trunk/drivers/net/wireless/brcm80211/include/brcmu_utils.h
Original file line number Diff line number Diff line change
Expand Up @@ -192,13 +192,6 @@ struct brcmu_bit_desc {
const char *name;
};

/* tag_ID/length/value_buffer tuple */
struct brcmu_tlv {
u8 id;
u8 len;
u8 data[1];
};

/* externs */
/* format/print */
#if defined(BCMDBG)
Expand All @@ -207,9 +200,6 @@ extern int brcmu_format_flags(const struct brcmu_bit_desc *bd, u32 flags,
extern int brcmu_format_hex(char *str, const void *bytes, int len);
#endif

extern struct brcmu_tlv *brcmu_parse_tlvs(void *buf, int buflen,
uint key);

extern uint brcmu_mkiovar(char *name, char *data, uint datalen,
char *buf, uint len);

Expand Down

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