This is especially useful in IBSS mode.
Signed-off-by: Simon Wunderlich <siwu@xxxxxxxxxxxxxxxxxx>
Signed-off-by: Mathias Kretschmer <mathias.kretschmer@xxxxxxxxxxxxxxxxxxx>
---
PATCHv2: rework parameter description in usage text
---
phy.c | 77 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 77 insertions(+)
diff --git a/phy.c b/phy.c
index 860f299..5ff127a 100644
--- a/phy.c
+++ b/phy.c
@@ -359,3 +359,80 @@ COMMAND(set, antenna, "<bitmap> | all | <tx bitmap> <rx bitmap>",
NL80211_CMD_SET_WIPHY, 0, CIB_PHY, handle_antenna,
"Set a bitmap of allowed antennas to use for TX and RX.\n"
"The driver may reject antenna configurations it cannot support.");
+
+static int handle_wmm_params(struct nl80211_state *state,
+ struct nl_cb *cb,
+ struct nl_msg *msg,
+ int argc, char **argv,
+ enum id_input id)
+{
+ char *end;
+ struct nlattr *txq, *params;
+ int queue, cw_min, cw_max, aifs, txop;
+
+ if (argc != 5)
+ return 1;
+
+ if (!strcmp(argv[0], "VO"))
+ queue = NL80211_TXQ_Q_VO;
+ else if (!strcmp(argv[0], "VI"))
+ queue = NL80211_TXQ_Q_VI;
+ else if (!strcmp(argv[0], "BK"))
+ queue = NL80211_TXQ_Q_BK;
+ else if (!strcmp(argv[0], "BE"))
+ queue = NL80211_TXQ_Q_BE;
+ else {
+ printf("Invalid parameter: %s\n", argv[0]);
+ return 2;
+ }
+
+ if (!*argv[1] || !*argv[2] || !*argv[3] || !*argv[4])
+ return 1;
+
+ cw_min = strtoul(argv[1], &end, 0);
+ if (*end)
+ return 1;
+
+ cw_max = strtoul(argv[2], &end, 0);
+ if (*end)
+ return 1;
+
+ aifs = strtoul(argv[3], &end, 0);
+ if (*end)
+ return 1;
+
+ txop = strtoul(argv[4], &end, 0);
+ if (*end)
+ return 1;
+
+
+ txq = nla_nest_start(msg, NL80211_ATTR_WIPHY_TXQ_PARAMS);
+ if (!txq)
+ goto nla_put_failure;
+
+ params = nla_nest_start(msg, 1);
+ if (!params)
+ goto nla_put_failure;
+
+ NLA_PUT_U8(msg, NL80211_TXQ_ATTR_QUEUE, queue);
+ NLA_PUT_U16(msg, NL80211_TXQ_ATTR_CWMIN, cw_min);
+ NLA_PUT_U16(msg, NL80211_TXQ_ATTR_CWMAX, cw_max);
+ NLA_PUT_U8(msg, NL80211_TXQ_ATTR_AIFS, aifs);
+ NLA_PUT_U16(msg, NL80211_TXQ_ATTR_TXOP, txop);
+
+ nla_nest_end(msg, params);
+ nla_nest_end(msg, txq);
+
+return 0;
+
+ nla_put_failure:
+ return -ENOBUFS;
+}
+COMMAND(set, wmm_params, "<VO|VI|BE|BK> <cw_min> <cw_max> <aifs> <txop>",
+ NL80211_CMD_SET_WIPHY, 0, CIB_NETDEV, handle_wmm_params,
+ "Set WMM parameters for a queue (VO, VI, BE, or BK):\n"
+ " * cw_min/cw_max - contention window minimum/maximum\n"
+ " (a value of the form 2^n-1 in the range 1..32767)\n"
+ " * aifs - arbitration interframe spacing (0..255)\n"
+ " * txop - maximum burst time in units of 32 usecs, 0 meaning disabled\n"
+ );
--
1.7.10.4
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