This patch adds netns support, basically most parts are copy&pasted from
iw tool, same handling just wpan instead wireless.
Signed-off-by: Alexander Aring <aar@xxxxxxxxxxxxxx>
---
src/phy.c | 66 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 66 insertions(+)
diff --git a/src/phy.c b/src/phy.c
index 816bdd8..887b610 100644
--- a/src/phy.c
+++ b/src/phy.c
@@ -2,6 +2,10 @@
#include <errno.h>
#include <string.h>
#include <stdbool.h>
+#include <sys/param.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
#include <netlink/genl/genl.h>
#include <netlink/genl/family.h>
@@ -144,3 +148,65 @@ nla_put_failure:
}
COMMAND(set, cca_ed_level, "<level>",
NL802154_CMD_SET_CCA_ED_LEVEL, 0, CIB_PHY, handle_cca_ed_level, NULL);
+
+#ifndef NETNS_RUN_DIR
+#define NETNS_RUN_DIR "/var/run/netns"
+#endif
+int netns_get_fd(const char *name)
+{
+ char pathbuf[MAXPATHLEN];
+ const char *path, *ptr;
+
+ path = name;
+ ptr = strchr(name, '/');
+ if (!ptr) {
+ snprintf(pathbuf, sizeof(pathbuf), "%s/%s",
+ NETNS_RUN_DIR, name );
+ path = pathbuf;
+ }
+ return open(path, O_RDONLY);
+}
+
+static int handle_netns(struct nl802154_state *state,
+ struct nl_cb *cb,
+ struct nl_msg *msg,
+ int argc, char **argv,
+ enum id_input id)
+{
+ char *end;
+ int fd;
+
+ if (argc < 1 || !*argv[0])
+ return 1;
+
+ if (argc == 1) {
+ NLA_PUT_U32(msg, NL802154_ATTR_PID,
+ strtoul(argv[0], &end, 10));
+ if (*end != '\0') {
+ printf("Invalid parameter: pid(%s)\n", argv[0]);
+ return 1;
+ }
+ return 0;
+ }
+
+ if (argc != 2 || strcmp(argv[0], "name"))
+ return 1;
+
+ if ((fd = netns_get_fd(argv[1])) >= 0) {
+ NLA_PUT_U32(msg, NL802154_ATTR_NETNS_FD, fd);
+ return 0;
+ } else {
+ printf("Invalid parameter: nsname(%s)\n", argv[0]);
+ }
+
+ return 1;
+
+ nla_put_failure:
+ return -ENOBUFS;
+}
+COMMAND(set, netns, "{ <pid> | name <nsname> }",
+ NL802154_CMD_SET_WPAN_PHY_NETNS, 0, CIB_PHY, handle_netns,
+ "Put this wpan device into a different network namespace:\n"
+ " <pid> - change network namespace by process id\n"
+ " <nsname> - change network namespace by name from "NETNS_RUN_DIR"\n"
+ " or by absolute path (man ip-netns)\n");
--
2.8.2
--
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