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-rw-r--r--package/iw/patches/120-ibss_ht.patch113
1 files changed, 113 insertions, 0 deletions
diff --git a/package/iw/patches/120-ibss_ht.patch b/package/iw/patches/120-ibss_ht.patch
new file mode 100644
index 0000000000..1e6c34e3b7
--- /dev/null
+++ b/package/iw/patches/120-ibss_ht.patch
@@ -0,0 +1,113 @@
+--- a/ibss.c
++++ b/ibss.c
+@@ -27,6 +27,7 @@ static int join_ibss(struct nl80211_stat
+ char *value = NULL, *sptr = NULL;
+ float rate;
+ int bintval;
++ unsigned int htval;
+
+ if (argc < 2)
+ return 1;
+@@ -44,6 +45,12 @@ static int join_ibss(struct nl80211_stat
+ argv++;
+ argc--;
+
++ if (argc && parse_channel_type(argv[0], &htval)) {
++ NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE, htval);
++ argv++;
++ argc--;
++ }
++
+ if (argc && strcmp(argv[0], "fixed-freq") == 0) {
+ NLA_PUT_FLAG(msg, NL80211_ATTR_FREQ_FIXED);
+ argv++;
+@@ -134,7 +141,7 @@ COMMAND(ibss, leave, NULL,
+ NL80211_CMD_LEAVE_IBSS, 0, CIB_NETDEV, leave_ibss,
+ "Leave the current IBSS cell.");
+ COMMAND(ibss, join,
+- "<SSID> <freq in MHz> [fixed-freq] [<fixed bssid>] [beacon-interval <TU>]"
++ "<SSID> <freq in MHz> [HT20|HT40+|HT40-] [fixed-freq] [<fixed bssid>] [beacon-interval <TU>]"
+ " [basic-rates <rate in Mbps,rate2,...>] [mcast-rate <rate in Mbps>] "
+ "[key d:0:abcde]",
+ NL80211_CMD_JOIN_IBSS, 0, CIB_NETDEV, join_ibss,
+--- a/iw.h
++++ b/iw.h
+@@ -130,6 +130,7 @@ void mac_addr_n2a(char *mac_addr, unsign
+ unsigned char *parse_hex(char *hex, size_t *outlen);
+
+ int parse_keys(struct nl_msg *msg, char **argv, int argc);
++int parse_channel_type(const char *str, unsigned int *htval);
+
+ void print_ht_mcs(const __u8 *mcs);
+ void print_ampdu_length(__u8 exponent);
+--- a/phy.c
++++ b/phy.c
+@@ -33,30 +33,14 @@ static int handle_freqchan(struct nl_msg
+ int argc, char **argv)
+ {
+ char *end;
+- static const struct {
+- const char *name;
+- unsigned int val;
+- } htmap[] = {
+- { .name = "HT20", .val = NL80211_CHAN_HT20, },
+- { .name = "HT40+", .val = NL80211_CHAN_HT40PLUS, },
+- { .name = "HT40-", .val = NL80211_CHAN_HT40MINUS, },
+- };
+ unsigned int htval = NL80211_CHAN_NO_HT;
+ unsigned int freq;
+- int i;
+
+ if (!argc || argc > 2)
+ return 1;
+
+- if (argc == 2) {
+- for (i = 0; i < ARRAY_SIZE(htmap); i++) {
+- if (strcasecmp(htmap[i].name, argv[1]) == 0) {
+- htval = htmap[i].val;
+- break;
+- }
+- }
+- if (htval == NL80211_CHAN_NO_HT)
+- return 1;
++ if (argc == 2 && !parse_channel_type(argv[1], &htval)) {
++ return 1;
+ }
+
+ if (!*argv[0])
+--- a/util.c
++++ b/util.c
+@@ -345,6 +345,33 @@ int parse_keys(struct nl_msg *msg, char
+ return 2;
+ }
+
++/*
++ * Convert a string "HT20", "HT40+" or "HT40-" into nl80211
++ * value. Conversion is case insensitive. Returns 1 on success, 0 on error.
++ */
++
++int parse_channel_type(const char *str, unsigned int *htval)
++{
++ static const struct {
++ const char *name;
++ unsigned int val;
++ } htmap[] = {
++ { .name = "HT20", .val = NL80211_CHAN_HT20, },
++ { .name = "HT40+", .val = NL80211_CHAN_HT40PLUS, },
++ { .name = "HT40-", .val = NL80211_CHAN_HT40MINUS, },
++ };
++ int i;
++
++ for (i = 0; i < ARRAY_SIZE(htmap); i++) {
++ if (strcasecmp(htmap[i].name, str) == 0) {
++ *htval = htmap[i].val;
++ return 1;
++ }
++ }
++
++ return 0;
++}
++
+ static void print_mcs_index(const __u8 *mcs)
+ {
+ unsigned int mcs_bit, prev_bit = -2, prev_cont = 0;