From: Geliang Tang <[email protected]> For the id 0 address, different MPTCP connections could be using different IP addresses for id 0.
This patch added an extra argument IP address for del_addr when using id 0. Reviewed-by: Mat Martineau <[email protected]> Signed-off-by: Geliang Tang <[email protected]> --- tools/testing/selftests/net/mptcp/pm_nl_ctl.c | 34 +++++++++++++++++-- 1 file changed, 31 insertions(+), 3 deletions(-) diff --git a/tools/testing/selftests/net/mptcp/pm_nl_ctl.c b/tools/testing/selftests/net/mptcp/pm_nl_ctl.c index 7b4167f3f9a2..115decfdc1ef 100644 --- a/tools/testing/selftests/net/mptcp/pm_nl_ctl.c +++ b/tools/testing/selftests/net/mptcp/pm_nl_ctl.c @@ -26,7 +26,7 @@ static void syntax(char *argv[]) { fprintf(stderr, "%s add|get|set|del|flush|dump|accept [<args>]\n", argv[0]); fprintf(stderr, "\tadd [flags signal|subflow|backup] [id <nr>] [dev <name>] <ip>\n"); - fprintf(stderr, "\tdel <id>\n"); + fprintf(stderr, "\tdel <id> [<ip>]\n"); fprintf(stderr, "\tget <id>\n"); fprintf(stderr, "\tset <ip> [flags backup|nobackup]\n"); fprintf(stderr, "\tflush\n"); @@ -301,6 +301,7 @@ int del_addr(int fd, int pm_family, int argc, char *argv[]) 1024]; struct rtattr *rta, *nest; struct nlmsghdr *nh; + u_int16_t family; int nest_start; u_int8_t id; int off = 0; @@ -310,11 +311,14 @@ int del_addr(int fd, int pm_family, int argc, char *argv[]) off = init_genl_req(data, pm_family, MPTCP_PM_CMD_DEL_ADDR, MPTCP_PM_VER); - /* the only argument is the address id */ - if (argc != 3) + /* the only argument is the address id (nonzero) */ + if (argc != 3 && argc != 4) syntax(argv); id = atoi(argv[2]); + /* zero id with the IP address */ + if (!id && argc != 4) + syntax(argv); nest_start = off; nest = (void *)(data + off); @@ -328,6 +332,30 @@ int del_addr(int fd, int pm_family, int argc, char *argv[]) rta->rta_len = RTA_LENGTH(1); memcpy(RTA_DATA(rta), &id, 1); off += NLMSG_ALIGN(rta->rta_len); + + if (!id) { + /* addr data */ + rta = (void *)(data + off); + if (inet_pton(AF_INET, argv[3], 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[3], 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[3]); + } + 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); + } nest->rta_len = off - nest_start; do_nl_req(fd, nh, off, 0); -- 2.31.1
