diff mbox series

[net-next,7/9] selftests: mptcp: add the id argument for set_flags

Message ID 20220205000337.187292-8-mathew.j.martineau@linux.intel.com (mailing list archive)
State Accepted
Commit a224a847ae7aa7eb09b0d4c3d808c9725806c10d
Delegated to: Netdev Maintainers
Headers show
Series mptcp: Improve set-flags command and update self tests | expand

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Context Check Description
netdev/tree_selection success Clearly marked for net-next
netdev/fixes_present success Fixes tag not required for -next series
netdev/subject_prefix success Link
netdev/cover_letter success Series has a cover letter
netdev/patch_count success Link
netdev/header_inline success No static functions without inline keyword in header files
netdev/build_32bit success Errors and warnings before: 0 this patch: 0
netdev/cc_maintainers warning 2 maintainers not CCed: linux-kselftest@vger.kernel.org shuah@kernel.org
netdev/build_clang success Errors and warnings before: 0 this patch: 0
netdev/module_param success Was 0 now: 0
netdev/verify_signedoff success Signed-off-by tag matches author and committer
netdev/verify_fixes success No Fixes tag
netdev/build_allmodconfig_warn success Errors and warnings before: 0 this patch: 0
netdev/checkpatch warning WARNING: line length of 94 exceeds 80 columns
netdev/kdoc success Errors and warnings before: 0 this patch: 0
netdev/source_inline success Was 0 now: 0

Commit Message

Mat Martineau Feb. 5, 2022, 12:03 a.m. UTC 
From: Geliang Tang <geliang.tang@suse.com>

This patch added the id argument for setting the address flags in
pm_nl_ctl.

Usage:

    pm_nl_ctl set id 1 flags backup

Signed-off-by: Geliang Tang <geliang.tang@suse.com>
Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
---
 tools/testing/selftests/net/mptcp/pm_nl_ctl.c | 63 ++++++++++++-------
 1 file changed, 42 insertions(+), 21 deletions(-)
diff mbox series

Patch

diff --git a/tools/testing/selftests/net/mptcp/pm_nl_ctl.c b/tools/testing/selftests/net/mptcp/pm_nl_ctl.c
index 2a57462764d0..22a5ec1e128e 100644
--- a/tools/testing/selftests/net/mptcp/pm_nl_ctl.c
+++ b/tools/testing/selftests/net/mptcp/pm_nl_ctl.c
@@ -28,7 +28,7 @@  static void syntax(char *argv[])
 	fprintf(stderr, "\tadd [flags signal|subflow|backup|fullmesh] [id <nr>] [dev <name>] <ip>\n");
 	fprintf(stderr, "\tdel <id> [<ip>]\n");
 	fprintf(stderr, "\tget <id>\n");
-	fprintf(stderr, "\tset <ip> [flags backup|nobackup|fullmesh|nofullmesh] [port <nr>]\n");
+	fprintf(stderr, "\tset [<ip>] [id <nr>] flags [no]backup|[no]fullmesh [port <nr>]\n");
 	fprintf(stderr, "\tflush\n");
 	fprintf(stderr, "\tdump\n");
 	fprintf(stderr, "\tlimits [<rcv addr max> <subflow max>]\n");
@@ -657,8 +657,10 @@  int set_flags(int fd, int pm_family, int argc, char *argv[])
 	u_int32_t flags = 0;
 	u_int16_t family;
 	int nest_start;
+	int use_id = 0;
+	u_int8_t id;
 	int off = 0;
-	int arg;
+	int arg = 2;
 
 	memset(data, 0, sizeof(data));
 	nh = (void *)data;
@@ -674,29 +676,45 @@  int set_flags(int fd, int pm_family, int argc, char *argv[])
 	nest->rta_len = RTA_LENGTH(0);
 	off += NLMSG_ALIGN(nest->rta_len);
 
-	/* addr data */
-	rta = (void *)(data + off);
-	if (inet_pton(AF_INET, argv[2], RTA_DATA(rta))) {
-		family = AF_INET;
-		rta->rta_type = MPTCP_PM_ADDR_ATTR_ADDR4;
-		rta->rta_len = RTA_LENGTH(4);
-	} else if (inet_pton(AF_INET6, argv[2], RTA_DATA(rta))) {
-		family = AF_INET6;
-		rta->rta_type = MPTCP_PM_ADDR_ATTR_ADDR6;
-		rta->rta_len = RTA_LENGTH(16);
+	if (!strcmp(argv[arg], "id")) {
+		if (++arg >= argc)
+			error(1, 0, " missing id value");
+
+		use_id = 1;
+		id = atoi(argv[arg]);
+		rta = (void *)(data + off);
+		rta->rta_type = MPTCP_PM_ADDR_ATTR_ID;
+		rta->rta_len = RTA_LENGTH(1);
+		memcpy(RTA_DATA(rta), &id, 1);
+		off += NLMSG_ALIGN(rta->rta_len);
 	} else {
-		error(1, errno, "can't parse ip %s", argv[2]);
+		/* addr data */
+		rta = (void *)(data + off);
+		if (inet_pton(AF_INET, argv[arg], RTA_DATA(rta))) {
+			family = AF_INET;
+			rta->rta_type = MPTCP_PM_ADDR_ATTR_ADDR4;
+			rta->rta_len = RTA_LENGTH(4);
+		} else if (inet_pton(AF_INET6, argv[arg], RTA_DATA(rta))) {
+			family = AF_INET6;
+			rta->rta_type = MPTCP_PM_ADDR_ATTR_ADDR6;
+			rta->rta_len = RTA_LENGTH(16);
+		} else {
+			error(1, errno, "can't parse ip %s", argv[arg]);
+		}
+		off += NLMSG_ALIGN(rta->rta_len);
+
+		/* family */
+		rta = (void *)(data + off);
+		rta->rta_type = MPTCP_PM_ADDR_ATTR_FAMILY;
+		rta->rta_len = RTA_LENGTH(2);
+		memcpy(RTA_DATA(rta), &family, 2);
+		off += NLMSG_ALIGN(rta->rta_len);
 	}
-	off += NLMSG_ALIGN(rta->rta_len);
 
-	/* family */
-	rta = (void *)(data + off);
-	rta->rta_type = MPTCP_PM_ADDR_ATTR_FAMILY;
-	rta->rta_len = RTA_LENGTH(2);
-	memcpy(RTA_DATA(rta), &family, 2);
-	off += NLMSG_ALIGN(rta->rta_len);
+	if (++arg >= argc)
+		error(1, 0, " missing flags keyword");
 
-	for (arg = 3; arg < argc; arg++) {
+	for (; arg < argc; arg++) {
 		if (!strcmp(argv[arg], "flags")) {
 			char *tok, *str;
 
@@ -724,6 +742,9 @@  int set_flags(int fd, int pm_family, int argc, char *argv[])
 		} else if (!strcmp(argv[arg], "port")) {
 			u_int16_t port;
 
+			if (use_id)
+				error(1, 0, " port can't be used with id");
+
 			if (++arg >= argc)
 				error(1, 0, " missing port value");