From: Ben Greear <greearb@xxxxxxxxxxxxxxx>
Let user know which capabilities are supported.
Signed-off-by: Ben Greear <greearb@xxxxxxxxxxxxxxx>
---
NOTE: This should not be applied until the kernel portions
are accepted.
:100644 100644 b55b282... fdb523d... M info.c
:100644 100644 8049bf7... 20710b1... M nl80211.h
info.c | 32 ++++++++++++++++++++++++++++++++
nl80211.h | 53 +++++++++++++++++++++++++++++++++++++++++++++++++++++
2 files changed, 85 insertions(+), 0 deletions(-)
diff --git a/info.c b/info.c
index b55b282..fdb523d 100644
--- a/info.c
+++ b/info.c
@@ -400,6 +400,38 @@ broken_combination:
if (tb_msg[NL80211_ATTR_SUPPORT_AP_UAPSD])
printf("\tDevice supports AP-side u-APSD.\n");
+ if (tb_msg[NL80211_ATTR_HT_CAPABILITY_MASK]) {
+ struct ieee80211_ht_cap *cm;
+ printf("\tHT Capabilities over-rides:\n");
+ if (nla_len(tb_msg[NL80211_ATTR_HT_CAPABILITY_MASK]) >=
+ sizeof(*cm)) {
+ cm = nla_data(tb_msg[NL80211_ATTR_HT_CAPABILITY_MASK]);
+ printf("\t\t* MCS: %02hx %02hx %02hx %02hx %02hx %02hx"
+ " %02hx %02hx %02hx %02hx\n",
+ cm->mcs.rx_mask[0], cm->mcs.rx_mask[1],
+ cm->mcs.rx_mask[2], cm->mcs.rx_mask[3],
+ cm->mcs.rx_mask[4], cm->mcs.rx_mask[5],
+ cm->mcs.rx_mask[6], cm->mcs.rx_mask[7],
+ cm->mcs.rx_mask[8], cm->mcs.rx_mask[9]);
+ printf("\t\t* MAX-AMSDU: %s\n"
+ "\t\t* WIDTH-20-40: %s\n"
+ "\t\t* SGI-40: %s\n"
+ "\t\t* AMPDU-Factor: %s\n"
+ "\t\t* AMPDU-Density: %s\n",
+ cm->cap_info & IEEE80211_HT_CAP_MAX_AMSDU ? "Yes" : "No",
+ cm->cap_info & IEEE80211_HT_CAP_SUP_WIDTH_20_40 ? "Yes" : "No",
+ cm->cap_info & IEEE80211_HT_CAP_SGI_40 ? "Yes" : "No",
+ cm->ampdu_params_info & IEEE80211_HT_AMPDU_PARM_FACTOR ? "Yes" : "No",
+ cm->ampdu_params_info & IEEE80211_HT_AMPDU_PARM_DENSITY ? "Yes" : "No");
+ } else {
+ printf("\tERROR: capabilities mask is too short, expected: %d"
+ ", received: %d\n",
+ sizeof(*cm), nla_len(tb_msg[NL80211_ATTR_HT_CAPABILITY_MASK]));
+ }
+ } else {
+ printf("\tHT Capabilities over-rides are NOT supported.\n");
+ }
+
return NL_SKIP;
}
diff --git a/nl80211.h b/nl80211.h
index 8049bf7..20710b1 100644
--- a/nl80211.h
+++ b/nl80211.h
@@ -1109,6 +1109,10 @@ enum nl80211_commands {
* %NL80211_CMD_TDLS_MGMT. Otherwise %NL80211_CMD_TDLS_OPER should be
* used for asking the driver to perform a TDLS operation.
*
+ * @NL80211_ATTR_DISABLE_HT: Force HT capable interfaces to disable
+ * this feature.
+ * @NL80211_ATTR_HT_CAPABILITY_MASK: Specify which bits of the HT_CAPs
+ * to pay attention to.
* @NL80211_ATTR_MAX: highest attribute number currently defined
* @__NL80211_ATTR_AFTER_LAST: internal use
*/
@@ -1337,6 +1341,9 @@ enum nl80211_attrs {
NL80211_ATTR_TDLS_SUPPORT,
NL80211_ATTR_TDLS_EXTERNAL_SETUP,
+ NL80211_ATTR_DISABLE_HT,
+ NL80211_ATTR_HT_CAPABILITY_MASK,
+
/* add attributes here, update the policy in nl80211.c */
__NL80211_ATTR_AFTER_LAST,
@@ -1421,6 +1428,52 @@ enum nl80211_iftype {
NL80211_IFTYPE_MAX = NUM_NL80211_IFTYPES - 1
};
+/* 802.11n HT capability AMPDU settings (for ampdu_params_info) */
+#define IEEE80211_HT_AMPDU_PARM_FACTOR 0x03
+#define IEEE80211_HT_AMPDU_PARM_DENSITY 0x1C
+
+#define IEEE80211_HT_CAP_SUP_WIDTH_20_40 0x0002
+#define IEEE80211_HT_CAP_SGI_40 0x0040
+#define IEEE80211_HT_CAP_MAX_AMSDU 0x0800
+
+#define IEEE80211_HT_MCS_MASK_LEN 10
+
+/**
+ * struct ieee80211_mcs_info - MCS information
+ * @rx_mask: RX mask
+ * @rx_highest: highest supported RX rate. If set represents
+ * the highest supported RX data rate in units of 1 Mbps.
+ * If this field is 0 this value should not be used to
+ * consider the highest RX data rate supported.
+ * @tx_params: TX parameters
+ */
+struct ieee80211_mcs_info {
+ __u8 rx_mask[IEEE80211_HT_MCS_MASK_LEN];
+ __u16 rx_highest;
+ __u8 tx_params;
+ __u8 reserved[3];
+} __attribute__ ((packed));
+
+
+/**
+ * struct ieee80211_ht_cap - HT capabilities
+ *
+ * This structure is the "HT capabilities element" as
+ * described in 802.11n D5.0 7.3.2.57
+ */
+struct ieee80211_ht_cap {
+ __u16 cap_info;
+ __u8 ampdu_params_info;
+
+ /* 16 bytes MCS information */
+ struct ieee80211_mcs_info mcs;
+
+ __u16 extended_ht_cap_info;
+ __u32 tx_BF_cap_info;
+ __u8 antenna_selection_info;
+} __attribute__ ((packed));
+
+
/**
* enum nl80211_sta_flags - station flags
*
--
1.7.3.4
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