* [PATCH] iw: add vendor command response support
@ 2016-05-02 19:55 Erik Stromdahl
2016-05-31 9:42 ` Johannes Berg
0 siblings, 1 reply; 2+ messages in thread
From: Erik Stromdahl @ 2016-05-02 19:55 UTC (permalink / raw)
To: johannes, johannes.berg, linux-wireless; +Cc: Erik Stromdahl
Introduced two new commands for reading vendor command responses:
recv and recvbin
Both will send a vendor command (typically some kind of GET request)
in the same way as the current send command and print the received
response in ASCII or binary.
Signed-off-by: Erik Stromdahl <erik.stromdahl@gmail.com>
---
vendor.c | 45 +++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 45 insertions(+)
diff --git a/vendor.c b/vendor.c
index 279aac5..860cd48 100644
--- a/vendor.c
+++ b/vendor.c
@@ -12,6 +12,33 @@
SECTION(vendor);
+static int print_vendor_response(struct nl_msg *msg, void *arg)
+{
+ struct nlattr *attr;
+ struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
+ bool print_ascii = (bool) arg;
+ uint8_t *data;
+ int len;
+
+ attr = nla_find(genlmsg_attrdata(gnlh, 0),
+ genlmsg_attrlen(gnlh, 0),
+ NL80211_ATTR_VENDOR_DATA);
+ if (!attr) {
+ fprintf(stderr, "vendor data attribute missing!\n");
+ return NL_SKIP;
+ }
+
+ data = (uint8_t *) nla_data(attr);
+ len = nla_len(attr);
+
+ if (print_ascii)
+ iw_hexdump("vendor response", data, len);
+ else
+ fwrite(data, 1, len, stdout);
+
+ return NL_OK;
+}
+
static int read_file(FILE *file, char *buf, size_t size)
{
size_t count = 0;
@@ -96,4 +123,22 @@ nla_put_failure:
return -ENOBUFS;
}
+static int handle_vendor_recv(struct nl80211_state *state,
+ struct nl_msg *msg, int argc,
+ char **argv, enum id_input id)
+{
+ register_handler(print_vendor_response, (void *) true);
+ return handle_vendor(state, msg, argc, argv, id);
+}
+
+static int handle_vendor_recv_bin(struct nl80211_state *state,
+ struct nl_msg *msg, int argc,
+ char **argv, enum id_input id)
+{
+ register_handler(print_vendor_response, (void *) false);
+ return handle_vendor(state, msg, argc, argv, id);
+}
+
COMMAND(vendor, send, "<oui> <subcmd> <filename|-|hex data>", NL80211_CMD_VENDOR, 0, CIB_NETDEV, handle_vendor, "");
+COMMAND(vendor, recv, "<oui> <subcmd> <filename|-|hex data>", NL80211_CMD_VENDOR, 0, CIB_NETDEV, handle_vendor_recv, "");
+COMMAND(vendor, recvbin, "<oui> <subcmd> <filename|-|hex data>", NL80211_CMD_VENDOR, 0, CIB_NETDEV, handle_vendor_recv_bin, "");
--
1.7.9.5
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH] iw: add vendor command response support
2016-05-02 19:55 [PATCH] iw: add vendor command response support Erik Stromdahl
@ 2016-05-31 9:42 ` Johannes Berg
0 siblings, 0 replies; 2+ messages in thread
From: Johannes Berg @ 2016-05-31 9:42 UTC (permalink / raw)
To: Erik Stromdahl, linux-wireless
On Mon, 2016-05-02 at 21:55 +0200, Erik Stromdahl wrote:
> Introduced two new commands for reading vendor command responses:
> recv and recvbin
> Both will send a vendor command (typically some kind of GET request)
> in the same way as the current send command and print the received
> response in ASCII or binary.
>
The bin thing seems a bit strange, but I can live with that :)
Applied.
johannes
^ permalink raw reply [flat|nested] 2+ messages in thread
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