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-rw-r--r--drivers/net/wireless/libertas/cfg.c56
1 files changed, 40 insertions, 16 deletions
diff --git a/drivers/net/wireless/libertas/cfg.c b/drivers/net/wireless/libertas/cfg.c
index b60f661..6b35d05 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)
return sizeof(rate_tlv->header) + i;
}
+/* Add common rates from a TLV and return the new end of the TLV */
+static u8 *
+add_ie_rates(u8 *tlv, const u8 *ie, int *nrates)
+{
+ int hw, ap, ap_max = ie[1];
+ u8 hw_rate;
+
+ /* Advance past IE header */
+ ie += 2;
+
+ lbs_deb_hex(LBS_DEB_ASSOC, "AP IE Rates", (u8 *) ie, ap_max);
+
+ for (hw = 0; hw < ARRAY_SIZE(lbs_rates); hw++) {
+ hw_rate = lbs_rates[hw].bitrate / 5;
+ for (ap = 0; ap < ap_max; ap++) {
+ if (hw_rate == (ie[ap] & 0x7f)) {
+ *tlv++ = ie[ap];
+ *nrates = *nrates + 1;
+ }
+ }
+ }
+ return tlv;
+}
/*
* Adds a TLV with all rates the hardware *and* BSS supports.
@@ -264,8 +287,11 @@ static int lbs_add_supported_rates_tlv(u8 *tlv)
static int lbs_add_common_rates_tlv(u8 *tlv, struct cfg80211_bss *bss)
{
struct mrvl_ie_rates_param_set *rate_tlv = (void *)tlv;
- const u8 *rates_eid = ieee80211_bss_get_ie(bss, WLAN_EID_SUPP_RATES);
- int n;
+ const u8 *rates_eid, *ext_rates_eid;
+ int n = 0;
+
+ rates_eid = ieee80211_bss_get_ie(bss, WLAN_EID_SUPP_RATES);
+ ext_rates_eid = ieee80211_bss_get_ie(bss, WLAN_EID_EXT_SUPP_RATES);
/*
* 01 00 TLV_TYPE_RATES
@@ -275,26 +301,21 @@ static int lbs_add_common_rates_tlv(u8 *tlv, struct cfg80211_bss *bss)
rate_tlv->header.type = cpu_to_le16(TLV_TYPE_RATES);
tlv += sizeof(rate_tlv->header);
- if (!rates_eid) {
+ /* Add basic rates */
+ if (rates_eid) {
+ tlv = add_ie_rates(tlv, rates_eid, &n);
+
+ /* Add extended rates, if any */
+ if (ext_rates_eid)
+ tlv = add_ie_rates(tlv, ext_rates_eid, &n);
+ } else {
+ lbs_deb_assoc("assoc: bss had no basic rate IE\n");
/* Fallback: add basic 802.11b rates */
*tlv++ = 0x82;
*tlv++ = 0x84;
*tlv++ = 0x8b;
*tlv++ = 0x96;
n = 4;
- } else {
- int hw, ap;
- u8 ap_max = rates_eid[1];
- n = 0;
- for (hw = 0; hw < ARRAY_SIZE(lbs_rates); hw++) {
- u8 hw_rate = lbs_rates[hw].bitrate / 5;
- for (ap = 0; ap < ap_max; ap++) {
- if (hw_rate == (rates_eid[ap+2] & 0x7f)) {
- *tlv++ = rates_eid[ap+2];
- n++;
- }
- }
- }
}
rate_tlv->header.len = cpu_to_le16(n);
@@ -1008,6 +1029,7 @@ static int lbs_associate(struct lbs_private *priv,
int status;
int ret;
u8 *pos = &(cmd->iebuf[0]);
+ u8 *tmp;
lbs_deb_enter(LBS_DEB_CFG80211);
@@ -1052,7 +1074,9 @@ static int lbs_associate(struct lbs_private *priv,
pos += lbs_add_cf_param_tlv(pos);
/* add rates TLV */
+ tmp = pos + 4; /* skip Marvell IE header */
pos += lbs_add_common_rates_tlv(pos, bss);
+ lbs_deb_hex(LBS_DEB_ASSOC, "Common Rates", tmp, pos - tmp);
/* add auth type TLV */
if (priv->fwrelease >= 0x09000000)