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iw: Add support for antenna configuration commands

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Patch from: kentarou matsuyama <matsuyama@thinktube.com>

SVN-Revision: 25106
This commit is contained in:
Felix Fietkau 2011-01-26 11:33:58 +00:00
parent cfdfc8c05b
commit 4e13b7774e
1 changed files with 82 additions and 0 deletions
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82
package/iw/patches/401-antenna.patch Normal file
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@ -0,0 +1,82 @@
iw: Add antenna configuration commands
From: Bruno Randolf <br1@einfach.org>
Add command to set the antenna configuration (iw phyX set antenna ...) and
include antenna setting in wiphy information (iw phyX info).
iw phyX set antenna all | <bitmap> | <tx bitmap> <rx bitmap>
Signed-off-by: Bruno Randolf <br1@einfach.org>
v8: Simplfied option parser as requested.
---
info.c | 7 +++++++
phy.c | 39 +++++++++++++++++++++++++++++++++++++++
2 files changed, 46 insertions(+), 0 deletions(-)
diff --git a/info.c b/info.c
index ce85514..75cadf0 100644
--- a/info.c
+++ b/info.c
@@ -168,6 +168,13 @@ static int print_phy_handler(struct nl_msg *msg, void *arg)
printf("\tCoverage class: %d (up to %dm)\n", coverage, 450 * coverage);
}
+ if (tb_msg[NL80211_ATTR_WIPHY_ANTENNA_TX] &&
+ tb_msg[NL80211_ATTR_WIPHY_ANTENNA_RX]) {
+ printf("\tAntenna: TX %#x RX %#x\n",
+ nla_get_u32(tb_msg[NL80211_ATTR_WIPHY_ANTENNA_TX]),
+ nla_get_u32(tb_msg[NL80211_ATTR_WIPHY_ANTENNA_RX]));
+ }
+
if (tb_msg[NL80211_ATTR_SUPPORTED_IFTYPES]) {
printf("\tSupported interface modes:\n");
nla_for_each_nested(nl_mode, tb_msg[NL80211_ATTR_SUPPORTED_IFTYPES], rem_mode)
diff --git a/phy.c b/phy.c
index 7c6c7c8..e3bd4e8 100644
--- a/phy.c
+++ b/phy.c
@@ -307,3 +307,42 @@ COMMAND(set, txpower, "<auto|fixed|limit> [<tx power in mBm>]",
COMMAND(set, txpower, "<auto|fixed|limit> [<tx power in mBm>]",
NL80211_CMD_SET_WIPHY, 0, CIB_NETDEV, handle_txpower,
"Specify transmit power level and setting type.");
+
+static int handle_antenna(struct nl80211_state *state,
+ struct nl_cb *cb,
+ struct nl_msg *msg,
+ int argc, char **argv)
+{
+ char *end;
+ uint32_t tx_ant = 0, rx_ant = 0;
+
+ if (argc == 1 && strcmp(argv[0], "all") == 0) {
+ tx_ant = 0xffffffff;
+ rx_ant = 0xffffffff;
+ } else if (argc == 1) {
+ tx_ant = rx_ant = strtoul(argv[0], &end, 0);
+ if (*end)
+ return 1;
+ }
+ else if (argc == 2) {
+ tx_ant = strtoul(argv[0], &end, 0);
+ if (*end)
+ return 1;
+ rx_ant = strtoul(argv[1], &end, 0);
+ if (*end)
+ return 1;
+ } else
+ return 1;
+
+ NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_ANTENNA_TX, tx_ant);
+ NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_ANTENNA_RX, rx_ant);
+
+ return 0;
+
+ nla_put_failure:
+ return -ENOBUFS;
+}
+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.");