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authorArik Nemtsov <arik@wizery.com>2014-12-15 18:44:23 +0200
committerJohannes Berg <johannes.berg@intel.com>2014-12-17 15:16:34 +0100
commit14ad75d3b4c34053c1a9d14787f3a846ddb50cfa (patch)
tree71883ccfa6458433c1a49688bebdbc6ab92e2574
parent2ca8bfa0d0b251a26ffb4b1d04e248b7d2bd8f6a (diff)
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iw: support multiple regdom print
When a phy is given, print only its regdomain. Otherwise, use the newly implement dump functionality to print all regdomains in the system. Signed-off-by: Arik Nemtsov <arik@wizery.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
-rw-r--r--reg.c40
1 files changed, 36 insertions, 4 deletions
diff --git a/reg.c b/reg.c
index a02c982..0aef7ba 100644
--- a/reg.c
+++ b/reg.c
@@ -114,7 +114,6 @@ COMMAND(reg, set, "<ISO/IEC 3166-1 alpha2>",
"Notify the kernel about the current regulatory domain.");
static int print_reg_handler(struct nl_msg *msg, void *arg)
-
{
#define PARSE_FLAG(nl_flag, string_value) do { \
if ((flags & nl_flag)) { \
@@ -150,6 +149,13 @@ static int print_reg_handler(struct nl_msg *msg, void *arg)
return NL_SKIP;
}
+ if (tb_msg[NL80211_ATTR_WIPHY])
+ printf("phy#%d%s\n", nla_get_u32(tb_msg[NL80211_ATTR_WIPHY]),
+ tb_msg[NL80211_ATTR_WIPHY_SELF_MANAGED_REG] ?
+ " (self-managed)" : "");
+ else
+ printf("global\n");
+
if (tb_msg[NL80211_ATTR_DFS_REGION])
dfs_domain = nla_get_u8(tb_msg[NL80211_ATTR_DFS_REGION]);
else
@@ -216,18 +222,44 @@ static int print_reg_handler(struct nl_msg *msg, void *arg)
printf("\n");
}
- return NL_OK;
+
+ printf("\n");
+ return NL_SKIP;
#undef PARSE_FLAG
}
+static int handle_reg_dump(struct nl80211_state *state,
+ struct nl_cb *cb,
+ struct nl_msg *msg,
+ int argc, char **argv,
+ enum id_input id)
+{
+ nl_cb_set(cb, NL_CB_VALID, NL_CB_CUSTOM, print_reg_handler, NULL);
+ return 0;
+}
+
static int handle_reg_get(struct nl80211_state *state,
struct nl_cb *cb,
struct nl_msg *msg,
int argc, char **argv,
enum id_input id)
{
- nl_cb_set(cb, NL_CB_VALID, NL_CB_CUSTOM, print_reg_handler, NULL);
- return 0;
+ char *dump_args[] = { "reg", "dump" };
+ int err;
+
+ err = handle_cmd(state, CIB_NONE, 2, dump_args);
+ /* dump might fail since it's not supported on older kernels */
+ if (err == -EOPNOTSUPP) {
+ nl_cb_set(cb, NL_CB_VALID, NL_CB_CUSTOM, print_reg_handler,
+ NULL);
+ return 0;
+ }
+
+ return err;
}
COMMAND(reg, get, NULL, NL80211_CMD_GET_REG, 0, CIB_NONE, handle_reg_get,
"Print out the kernel's current regulatory domain information.");
+COMMAND(reg, get, NULL, NL80211_CMD_GET_REG, 0, CIB_PHY, handle_reg_get,
+ "Print out the devices' current regulatory domain information.");
+HIDDEN(reg, dump, NULL, NL80211_CMD_GET_REG, NLM_F_DUMP, CIB_NONE,
+ handle_reg_dump);