This allow to send vendor data to the driver.
This command required OUI and SUBCMD parameters.
Also optional DATA parameter could be used:
cat data.bin | iw wlan0 send oui subcmd -
iw wlan0 send oui subcmd file.bin
iw wlan0 vendor send oui subcmd 0x00 0x00 0x00 0x1f
echo EOF | iw wlan0 vendor send oui subcmd -
Signed-off-by: Janusz Dziedzic <janusz.dziedzic@xxxxxxxxx>
---
Makefile | 2 +-
vendor.c | 95 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
2 files changed, 96 insertions(+), 1 deletion(-)
create mode 100644 vendor.c
diff --git a/Makefile b/Makefile
index f042e30..802f87a 100644
--- a/Makefile
+++ b/Makefile
@@ -16,7 +16,7 @@ OBJS = iw.o genl.o event.o info.o phy.o \
interface.o ibss.o station.o survey.o util.o \
mesh.o mpath.o scan.o reg.o version.o \
reason.o status.o connect.o link.o offch.o ps.o cqm.o \
- bitrate.o wowlan.o coalesce.o roc.o p2p.o
+ bitrate.o wowlan.o coalesce.o roc.o p2p.o vendor.o
OBJS += sections.o
OBJS-$(HWSIM) += hwsim.o
diff --git a/vendor.c b/vendor.c
new file mode 100644
index 0000000..f32c00b
--- /dev/null
+++ b/vendor.c
@@ -0,0 +1,95 @@
+#include <net/if.h>
+#include <errno.h>
+#include <string.h>
+
+#include <netlink/genl/genl.h>
+#include <netlink/genl/family.h>
+#include <netlink/genl/ctrl.h>
+#include <netlink/msg.h>
+#include <netlink/attr.h>
+
+#include "nl80211.h"
+#include "iw.h"
+
+SECTION(vendor);
+
+static int read_file(FILE *file, char *buf, size_t size)
+{
+ int data, count = 0;
+
+ while ((data = fgetc(file)) != EOF) {
+ if (count >= size)
+ return -EINVAL;
+ buf[count] = data;
+ count++;
+ }
+
+ return count;
+}
+
+static int read_hex(int argc, char **argv, char *buf, size_t size)
+{
+ int i, res;
+ unsigned int data;
+
+ if (argc > size)
+ return -EINVAL;
+
+ for (i = 0; i < argc; i++) {
+ res = sscanf(argv[i], "0x%x", &data);
+ if (res != 1 || data > 0xff)
+ return -EINVAL;
+ buf[i] = data;
+ }
+
+ return argc;
+}
+
+static int handle_vendor(struct nl80211_state *state, struct nl_cb *cb,
+ struct nl_msg *msg, int argc, char **argv,
+ enum id_input id)
+{
+ unsigned int oui;
+ unsigned int subcmd;
+ char buf[2048] = {};
+ int res, count = 0;
+ FILE *file = NULL;
+
+ if (argc < 3)
+ return -EINVAL;
+
+ res = sscanf(argv[0], "0x%x", &oui);
+ if (res != 1)
+ return -EINVAL;
+
+ res = sscanf(argv[1], "0x%x", &subcmd);
+ if (res != 1)
+ return -EINVAL;
+
+ if (!strcmp(argv[2], "-"))
+ file = stdin;
+ else
+ file = fopen(argv[2], "r");
+
+ NLA_PUT_U32(msg, NL80211_ATTR_VENDOR_ID, oui);
+ NLA_PUT_U32(msg, NL80211_ATTR_VENDOR_SUBCMD, subcmd);
+
+ if (file) {
+ count = read_file(file, buf, sizeof(buf));
+ fclose(file);
+ } else
+ count = read_hex(argc - 2, &argv[2], buf, sizeof(buf));
+
+ if (count < 0)
+ return -EINVAL;
+
+ if (count > 0)
+ NLA_PUT(msg, NL80211_ATTR_VENDOR_DATA, count, buf);
+
+ return 0;
+
+nla_put_failure:
+ return -ENOBUFS;
+}
+
+COMMAND(vendor, send, "<oui> <subcmd> <filename|-|hex data>", NL80211_CMD_VENDOR, 0, CIB_NETDEV, handle_vendor, "");
--
1.9.1
--
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