diff options
-rw-r--r-- | drivers/net/wireless/libertas/cfg.c | 56 |
1 files changed, 40 insertions, 16 deletions
diff --git a/drivers/net/wireless/libertas/cfg.c b/drivers/net/wireless/libertas/cfg.c index b60f66115061..6b35d057426d 100644 --- a/drivers/net/wireless/libertas/cfg.c +++ b/drivers/net/wireless/libertas/cfg.c | |||
@@ -257,6 +257,29 @@ static int lbs_add_supported_rates_tlv(u8 *tlv) | |||
257 | return sizeof(rate_tlv->header) + i; | 257 | return sizeof(rate_tlv->header) + i; |
258 | } | 258 | } |
259 | 259 | ||
260 | /* Add common rates from a TLV and return the new end of the TLV */ | ||
261 | static u8 * | ||
262 | add_ie_rates(u8 *tlv, const u8 *ie, int *nrates) | ||
263 | { | ||
264 | int hw, ap, ap_max = ie[1]; | ||
265 | u8 hw_rate; | ||
266 | |||
267 | /* Advance past IE header */ | ||
268 | ie += 2; | ||
269 | |||
270 | lbs_deb_hex(LBS_DEB_ASSOC, "AP IE Rates", (u8 *) ie, ap_max); | ||
271 | |||
272 | for (hw = 0; hw < ARRAY_SIZE(lbs_rates); hw++) { | ||
273 | hw_rate = lbs_rates[hw].bitrate / 5; | ||
274 | for (ap = 0; ap < ap_max; ap++) { | ||
275 | if (hw_rate == (ie[ap] & 0x7f)) { | ||
276 | *tlv++ = ie[ap]; | ||
277 | *nrates = *nrates + 1; | ||
278 | } | ||
279 | } | ||
280 | } | ||
281 | return tlv; | ||
282 | } | ||
260 | 283 | ||
261 | /* | 284 | /* |
262 | * Adds a TLV with all rates the hardware *and* BSS supports. | 285 | * Adds a TLV with all rates the hardware *and* BSS supports. |
@@ -264,8 +287,11 @@ static int lbs_add_supported_rates_tlv(u8 *tlv) | |||
264 | static int lbs_add_common_rates_tlv(u8 *tlv, struct cfg80211_bss *bss) | 287 | static int lbs_add_common_rates_tlv(u8 *tlv, struct cfg80211_bss *bss) |
265 | { | 288 | { |
266 | struct mrvl_ie_rates_param_set *rate_tlv = (void *)tlv; | 289 | struct mrvl_ie_rates_param_set *rate_tlv = (void *)tlv; |
267 | const u8 *rates_eid = ieee80211_bss_get_ie(bss, WLAN_EID_SUPP_RATES); | 290 | const u8 *rates_eid, *ext_rates_eid; |
268 | int n; | 291 | int n = 0; |
292 | |||
293 | rates_eid = ieee80211_bss_get_ie(bss, WLAN_EID_SUPP_RATES); | ||
294 | ext_rates_eid = ieee80211_bss_get_ie(bss, WLAN_EID_EXT_SUPP_RATES); | ||
269 | 295 | ||
270 | /* | 296 | /* |
271 | * 01 00 TLV_TYPE_RATES | 297 | * 01 00 TLV_TYPE_RATES |
@@ -275,26 +301,21 @@ static int lbs_add_common_rates_tlv(u8 *tlv, struct cfg80211_bss *bss) | |||
275 | rate_tlv->header.type = cpu_to_le16(TLV_TYPE_RATES); | 301 | rate_tlv->header.type = cpu_to_le16(TLV_TYPE_RATES); |
276 | tlv += sizeof(rate_tlv->header); | 302 | tlv += sizeof(rate_tlv->header); |
277 | 303 | ||
278 | if (!rates_eid) { | 304 | /* Add basic rates */ |
305 | if (rates_eid) { | ||
306 | tlv = add_ie_rates(tlv, rates_eid, &n); | ||
307 | |||
308 | /* Add extended rates, if any */ | ||
309 | if (ext_rates_eid) | ||
310 | tlv = add_ie_rates(tlv, ext_rates_eid, &n); | ||
311 | } else { | ||
312 | lbs_deb_assoc("assoc: bss had no basic rate IE\n"); | ||
279 | /* Fallback: add basic 802.11b rates */ | 313 | /* Fallback: add basic 802.11b rates */ |
280 | *tlv++ = 0x82; | 314 | *tlv++ = 0x82; |
281 | *tlv++ = 0x84; | 315 | *tlv++ = 0x84; |
282 | *tlv++ = 0x8b; | 316 | *tlv++ = 0x8b; |
283 | *tlv++ = 0x96; | 317 | *tlv++ = 0x96; |
284 | n = 4; | 318 | n = 4; |
285 | } else { | ||
286 | int hw, ap; | ||
287 | u8 ap_max = rates_eid[1]; | ||
288 | n = 0; | ||
289 | for (hw = 0; hw < ARRAY_SIZE(lbs_rates); hw++) { | ||
290 | u8 hw_rate = lbs_rates[hw].bitrate / 5; | ||
291 | for (ap = 0; ap < ap_max; ap++) { | ||
292 | if (hw_rate == (rates_eid[ap+2] & 0x7f)) { | ||
293 | *tlv++ = rates_eid[ap+2]; | ||
294 | n++; | ||
295 | } | ||
296 | } | ||
297 | } | ||
298 | } | 319 | } |
299 | 320 | ||
300 | rate_tlv->header.len = cpu_to_le16(n); | 321 | rate_tlv->header.len = cpu_to_le16(n); |
@@ -1008,6 +1029,7 @@ static int lbs_associate(struct lbs_private *priv, | |||
1008 | int status; | 1029 | int status; |
1009 | int ret; | 1030 | int ret; |
1010 | u8 *pos = &(cmd->iebuf[0]); | 1031 | u8 *pos = &(cmd->iebuf[0]); |
1032 | u8 *tmp; | ||
1011 | 1033 | ||
1012 | lbs_deb_enter(LBS_DEB_CFG80211); | 1034 | lbs_deb_enter(LBS_DEB_CFG80211); |
1013 | 1035 | ||
@@ -1052,7 +1074,9 @@ static int lbs_associate(struct lbs_private *priv, | |||
1052 | pos += lbs_add_cf_param_tlv(pos); | 1074 | pos += lbs_add_cf_param_tlv(pos); |
1053 | 1075 | ||
1054 | /* add rates TLV */ | 1076 | /* add rates TLV */ |
1077 | tmp = pos + 4; /* skip Marvell IE header */ | ||
1055 | pos += lbs_add_common_rates_tlv(pos, bss); | 1078 | pos += lbs_add_common_rates_tlv(pos, bss); |
1079 | lbs_deb_hex(LBS_DEB_ASSOC, "Common Rates", tmp, pos - tmp); | ||
1056 | 1080 | ||
1057 | /* add auth type TLV */ | 1081 | /* add auth type TLV */ |
1058 | if (priv->fwrelease >= 0x09000000) | 1082 | if (priv->fwrelease >= 0x09000000) |