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-rw-r--r--src/rename_device.c61
1 files changed, 48 insertions, 13 deletions
diff --git a/src/rename_device.c b/src/rename_device.c
index c845b7ab..968bd015 100644
--- a/src/rename_device.c
+++ b/src/rename_device.c
@@ -53,6 +53,52 @@ struct netdev {
struct netdev *configs = NULL;
struct netdev *devs = NULL;
+#if defined(__s390__) || defined(__s390x__)
+static int is_cdev(const struct dirent *dent) {
+ char *end = NULL;
+
+ if (strncmp(dent->d_name,"cdev",4))
+ return 0;
+ strtoul(dent->d_name+4,&end, 10);
+ if (*end)
+ return 0;
+ return 1;
+}
+
+static inline char *getdev(char *path, char *ent) {
+ char *a, *b, *ret;
+
+ asprintf(&a,"%s/%s",path,ent);
+ b = canonicalize_file_name(a);
+ ret = strdup(basename(b));
+ free(b);
+ free(a);
+ return ret;
+}
+
+char *read_subchannels(char *device) {
+ char *tmp, *path, *ret;
+ int n, x;
+ struct dirent **cdevs;
+
+ if (asprintf(&path,"/sys/class/net/%s/device",device) == -1)
+ return NULL;
+ if ((n = scandir(path, &cdevs, is_cdev, alphasort)) <= 0)
+ return NULL;
+
+ ret = getdev(path,cdevs[0]->d_name);
+ for (x = 1 ; x < n ; x++ ) {
+ if (asprintf(&tmp, "%s,%s", ret, getdev(path, cdevs[x]->d_name)) == -1)
+ return NULL;
+ free(ret);
+ ret = tmp;
+ }
+ free(path);
+ return ret;
+}
+
+#endif
+
struct netdev *get_devs() {
DIR *dir;
struct dirent *entry;
@@ -81,14 +127,7 @@ struct netdev *get_devs() {
g_free(contents);
contents = NULL;
#if defined(__s390__) || defined(__s390x__)
- if (asprintf(&path,"/sys/class/net/%s/device",entry->d_name) == -1)
- continue;
- char *tmp = canonicalize_file_name(path);
- if (!tmp)
- continue;
- contents = strdup(basename(tmp));
- printf("found device %s\n",contents);
- free(tmp);
+ contents = read_subchannels(entry->d_name);
#else
if (asprintf(&path,"/sys/class/net/%s/address",entry->d_name) == -1)
continue;
@@ -159,11 +198,7 @@ struct netdev *get_configs() {
}
#if defined(__s390__) || defined(__s390x__)
if (g_str_has_prefix(lines[i],"SUBCHANNELS=")) {
- char *tmp = lines[i] + 12;
- hwaddr = tmp;
- while (*tmp && *tmp != ',') tmp++;
- *tmp = '\0';
- printf("got hwaddr %s\n",hwaddr);
+ hwaddr = lines[i] + 12;
}
#else
if (g_str_has_prefix(lines[i],"HWADDR=")) {