[07/10] alfred: Split get_tq from debugfs backend
Commit Message
The debugfs tables cannot be used by the alfred in network namespaces.
These have to use netlink. Thus the get_tq should be less tightly linked to
the debugfs tables to implement optional netlink support.
Signed-off-by: Sven Eckelmann <sven@narfation.org>
---
batadv_query.c | 29 +++++++++++++++++++++++++----
1 file changed, 25 insertions(+), 4 deletions(-)
@@ -272,7 +272,8 @@ struct ether_addr *translate_mac(const char *mesh_iface,
return mac_result;
}
-uint8_t get_tq(const char *mesh_iface, struct ether_addr *mac)
+static int get_tq_debugfs(const char *mesh_iface, struct ether_addr *mac,
+ uint8_t *tq)
{
enum {
orig_mac,
@@ -288,7 +289,7 @@ uint8_t get_tq(const char *mesh_iface, struct ether_addr *mac)
char *line = NULL;
char *input, *saveptr, *token;
int line_invalid;
- uint8_t tq = 0;
+ bool found = false;
memcpy(&in_mac, mac, sizeof(in_mac));
@@ -297,7 +298,7 @@ uint8_t get_tq(const char *mesh_iface, struct ether_addr *mac)
f = fopen(full_path, "r");
if (!f)
- goto out;
+ return -EOPNOTSUPP;
while (getline(&line, &len, f) != -1) {
line_invalid = 0;
@@ -338,7 +339,8 @@ uint8_t get_tq(const char *mesh_iface, struct ether_addr *mac)
line_invalid = 1;
} else {
token[strlen(token) - 1] = '\0';
- tq = strtol(token, NULL, 10);
+ *tq = strtol(token, NULL, 10);
+ found = true;
goto out;
}
break;
@@ -353,5 +355,24 @@ out:
if (f)
fclose(f);
free(line);
+
+ if (found)
+ return 0;
+ else
+ return -ENOENT;
+}
+
+uint8_t get_tq(const char *mesh_iface, struct ether_addr *mac)
+{
+ struct ether_addr in_mac;
+ uint8_t tq = 0;
+
+ /* input mac has to be copied because it could be in the shared
+ * ether_aton buffer
+ */
+ memcpy(&in_mac, mac, sizeof(in_mac));
+
+ get_tq_debugfs(mesh_iface, &in_mac, &tq);
+
return tq;
}