diff options
Diffstat (limited to 'netlink.c')
| -rw-r--r-- | netlink.c | 35 |
1 files changed, 25 insertions, 10 deletions
@@ -942,14 +942,14 @@ int nl_link_set_mac(int s, unsigned int ifi, const void *mac) } /** - * nl_link_up() - Bring link up + * nl_link_set_mtu() - Set link MTU * @s: Netlink socket * @ifi: Interface index - * @mtu: If non-zero, set interface MTU + * @mtu: Interface MTU * * Return: 0 on success, negative error code on failure */ -int nl_link_up(int s, unsigned int ifi, int mtu) +int nl_link_set_mtu(int s, unsigned int ifi, int mtu) { struct req_t { struct nlmsghdr nlh; @@ -959,17 +959,32 @@ int nl_link_up(int s, unsigned int ifi, int mtu) } req = { .ifm.ifi_family = AF_UNSPEC, .ifm.ifi_index = ifi, - .ifm.ifi_flags = IFF_UP, - .ifm.ifi_change = IFF_UP, .rta.rta_type = IFLA_MTU, .rta.rta_len = RTA_LENGTH(sizeof(unsigned int)), .mtu = mtu, }; - ssize_t len = sizeof(req); - if (!mtu) - /* Shorten request to drop MTU attribute */ - len = offsetof(struct req_t, rta); + return nl_do(s, &req, RTM_NEWLINK, 0, sizeof(req)); +} + +/** + * nl_link_up() - Bring link up + * @s: Netlink socket + * @ifi: Interface index + * + * Return: 0 on success, negative error code on failure + */ +int nl_link_up(int s, unsigned int ifi) +{ + struct req_t { + struct nlmsghdr nlh; + struct ifinfomsg ifm; + } req = { + .ifm.ifi_family = AF_UNSPEC, + .ifm.ifi_index = ifi, + .ifm.ifi_flags = IFF_UP, + .ifm.ifi_change = IFF_UP, + }; - return nl_do(s, &req, RTM_NEWLINK, 0, len); + return nl_do(s, &req, RTM_NEWLINK, 0, sizeof(req)); } |