static void test_link_configure(sd_rtnl *rtnl, int ifindex) {
_cleanup_rtnl_message_unref_ sd_rtnl_message *message;
uint16_t type;
const char *mac = "98:fe:94:3f:c6:18", *name = "test";
unsigned int mtu = 1450;
void *data;
/* we'd really like to test NEWLINK, but let's not mess with the running kernel */
assert_se(sd_rtnl_message_new_link(rtnl, &message, RTM_GETLINK, ifindex) >= 0);
assert_se(sd_rtnl_message_append_string(message, IFLA_IFNAME, name) >= 0);
assert_se(sd_rtnl_message_append_ether_addr(message, IFLA_ADDRESS, ether_aton(mac)) >= 0);
assert_se(sd_rtnl_message_append_u32(message, IFLA_MTU, mtu) >= 0);
assert_se(sd_rtnl_call(rtnl, message, 0, NULL) == 1);
assert_se(sd_rtnl_message_read(message, &type, &data) > 0);
assert_se(type == IFLA_IFNAME);
assert_se(streq(name, (char *) data));
assert_se(sd_rtnl_message_read(message, &type, &data) > 0);
assert_se(type == IFLA_ADDRESS);
assert_se(streq(mac, ether_ntoa(data)));
assert_se(sd_rtnl_message_read(message, &type, &data) > 0);
assert_se(type == IFLA_MTU);
assert_se(mtu == *(unsigned int *) data);
}
static void test_link_configure(sd_rtnl *rtnl, int ifindex) {
_cleanup_rtnl_message_unref_ sd_rtnl_message *message = NULL;
const char *mac = "98:fe:94:3f:c6:18", *name = "test";
char buffer[ETHER_ADDR_TO_STRING_MAX];
unsigned int mtu = 1450, mtu_out;
const char *name_out;
struct ether_addr mac_out;
/* we'd really like to test NEWLINK, but let's not mess with the running kernel */
assert_se(sd_rtnl_message_new_link(rtnl, &message, RTM_GETLINK, ifindex) >= 0);
assert_se(sd_rtnl_message_append_string(message, IFLA_IFNAME, name) >= 0);
assert_se(sd_rtnl_message_append_ether_addr(message, IFLA_ADDRESS, ether_aton(mac)) >= 0);
assert_se(sd_rtnl_message_append_u32(message, IFLA_MTU, mtu) >= 0);
assert_se(sd_rtnl_call(rtnl, message, 0, NULL) == 1);
assert_se(sd_rtnl_message_rewind(message) >= 0);
assert_se(sd_rtnl_message_read_string(message, IFLA_IFNAME, &name_out) >= 0);
assert_se(streq(name, name_out));
assert_se(sd_rtnl_message_read_ether_addr(message, IFLA_ADDRESS, &mac_out) >= 0);
assert_se(streq(mac, ether_addr_to_string(&mac_out, buffer)));
assert_se(sd_rtnl_message_read_u32(message, IFLA_MTU, &mtu_out) >= 0);
assert_se(mtu == mtu_out);
}
int route_configure(Route *route, Link *link,
sd_rtnl_message_handler_t callback) {
_cleanup_rtnl_message_unref_ sd_rtnl_message *req = NULL;
int r;
assert(link);
assert(link->manager);
assert(link->manager->rtnl);
assert(link->ifindex > 0);
assert(route->family == AF_INET || route->family == AF_INET6);
r = sd_rtnl_message_new_route(link->manager->rtnl, RTM_NEWROUTE,
route->family, &req);
if (r < 0) {
log_error("Could not create RTM_NEWROUTE message: %s", strerror(-r));
return r;
}
if (route->family == AF_INET)
r = sd_rtnl_message_append_in_addr(req, RTA_GATEWAY, &route->in_addr.in);
else if (route->family == AF_INET6)
r = sd_rtnl_message_append_in6_addr(req, RTA_GATEWAY, &route->in_addr.in6);
if (r < 0) {
log_error("Could not append RTA_GATEWAY attribute: %s", strerror(-r));
return r;
}
if (route->dst_prefixlen) {
if (route->family == AF_INET)
r = sd_rtnl_message_append_in_addr(req, RTA_DST, &route->dst_addr.in);
else if (route->family == AF_INET6)
r = sd_rtnl_message_append_in6_addr(req, RTA_DST, &route->dst_addr.in6);
if (r < 0) {
log_error("Could not append RTA_DST attribute: %s", strerror(-r));
return r;
}
r = sd_rtnl_message_route_set_dst_prefixlen(req, route->dst_prefixlen);
if (r < 0) {
log_error("Could not set destination prefix length: %s", strerror(-r));
return r;
}
}
r = sd_rtnl_message_append_u32(req, RTA_OIF, link->ifindex);
if (r < 0) {
log_error("Could not append RTA_OIF attribute: %s", strerror(-r));
return r;
}
r = sd_rtnl_call_async(link->manager->rtnl, req, callback, link, 0, NULL);
if (r < 0) {
log_error("Could not send rtnetlink message: %s", strerror(-r));
return r;
}
return 0;
}
static void test_link_get(sd_rtnl *rtnl, int ifindex) {
sd_rtnl_message *m;
sd_rtnl_message *r;
unsigned int mtu = 1500;
const char *str_data;
uint8_t u8_data;
uint32_t u32_data;
struct ether_addr eth_data;
assert_se(sd_rtnl_message_new_link(rtnl, &m, RTM_GETLINK, ifindex) >= 0);
assert_se(m);
/* u8 test cases */
assert_se(sd_rtnl_message_append_u8(m, IFLA_CARRIER, 0) >= 0);
assert_se(sd_rtnl_message_append_u8(m, IFLA_OPERSTATE, 0) >= 0);
assert_se(sd_rtnl_message_append_u8(m, IFLA_LINKMODE, 0) >= 0);
/* u32 test cases */
assert_se(sd_rtnl_message_append_u32(m, IFLA_MTU, mtu) >= 0);
assert_se(sd_rtnl_message_append_u32(m, IFLA_GROUP, 0) >= 0);
assert_se(sd_rtnl_message_append_u32(m, IFLA_TXQLEN, 0) >= 0);
assert_se(sd_rtnl_message_append_u32(m, IFLA_NUM_TX_QUEUES, 0) >= 0);
assert_se(sd_rtnl_message_append_u32(m, IFLA_NUM_RX_QUEUES, 0) >= 0);
assert_se(sd_rtnl_call(rtnl, m, -1, &r) == 1);
assert_se(sd_rtnl_message_read_string(r, IFLA_IFNAME, &str_data) == 0);
assert_se(sd_rtnl_message_read_u8(r, IFLA_CARRIER, &u8_data) == 0);
assert_se(sd_rtnl_message_read_u8(r, IFLA_OPERSTATE, &u8_data) == 0);
assert_se(sd_rtnl_message_read_u8(r, IFLA_LINKMODE, &u8_data) == 0);
assert_se(sd_rtnl_message_read_u32(r, IFLA_MTU, &u32_data) == 0);
assert_se(sd_rtnl_message_read_u32(r, IFLA_GROUP, &u32_data) == 0);
assert_se(sd_rtnl_message_read_u32(r, IFLA_TXQLEN, &u32_data) == 0);
assert_se(sd_rtnl_message_read_u32(r, IFLA_NUM_TX_QUEUES, &u32_data) == 0);
assert_se(sd_rtnl_message_read_u32(r, IFLA_NUM_RX_QUEUES, &u32_data) == 0);
assert_se(sd_rtnl_message_read_ether_addr(r, IFLA_ADDRESS, ð_data) == 0);
assert_se(sd_rtnl_flush(rtnl) >= 0);
assert_se((m = sd_rtnl_message_unref(m)) == NULL);
assert_se((r = sd_rtnl_message_unref(r)) == NULL);
}
static void test_route(void) {
_cleanup_rtnl_message_unref_ sd_rtnl_message *req;
struct in_addr addr;
uint32_t index = 2;
uint16_t type;
void *data;
uint32_t u32_data;
int r;
struct rtmsg *rtm;
r = sd_rtnl_message_new_route(NULL, &req, RTM_NEWROUTE, AF_INET);
if (r < 0) {
log_error("Could not create RTM_NEWROUTE message: %s", strerror(-r));
return;
}
addr.s_addr = htonl(INADDR_LOOPBACK);
r = sd_rtnl_message_append_in_addr(req, RTA_GATEWAY, &addr);
if (r < 0) {
log_error("Could not append RTA_GATEWAY attribute: %s", strerror(-r));
return;
}
r = sd_rtnl_message_append_u32(req, RTA_OIF, index);
if (r < 0) {
log_error("Could not append RTA_OIF attribute: %s", strerror(-r));
return;
}
assert_se(rtnl_message_seal(NULL, req) >= 0);
assert_se(sd_rtnl_message_read(req, &type, &data) > 0);
assert_se(type == RTA_GATEWAY);
assert_se(((struct in_addr *)data)->s_addr == addr.s_addr);
assert_se(sd_rtnl_message_read(req, &type, &data) > 0);
assert_se(type == RTA_OIF);
assert_se(*(uint32_t *) data == index);
rtm = NLMSG_DATA(req->hdr);
r = rtnl_message_parse(req,
&req->rta_offset_tb,
&req->rta_tb_size,
RTA_MAX,
RTM_RTA(rtm),
RTM_PAYLOAD(req->hdr));
assert_se(sd_rtnl_message_read_u32(req, RTA_GATEWAY, &u32_data) == 0);
assert_se(sd_rtnl_message_read_u32(req, RTA_OIF, &u32_data) == 0);
assert_se((req = sd_rtnl_message_unref(req)) == NULL);
}
static int netdev_sit_fill_message_create(NetDev *netdev, Link *link, sd_rtnl_message *m) {
Tunnel *t = SIT(netdev);
int r;
assert(netdev);
assert(link);
assert(m);
assert(t);
assert(t->family == AF_INET);
r = sd_rtnl_message_append_u32(m, IFLA_IPTUN_LINK, link->ifindex);
if (r < 0) {
log_netdev_error(netdev,
"Could not append IFLA_IPTUN_LINK attribute: %s",
strerror(-r));
return r;
}
r = sd_rtnl_message_append_in_addr(m, IFLA_IPTUN_LOCAL, &t->local.in);
if (r < 0) {
log_netdev_error(netdev,
"Could not append IFLA_IPTUN_LOCAL attribute: %s",
strerror(-r));
return r;
}
r = sd_rtnl_message_append_in_addr(m, IFLA_IPTUN_REMOTE, &t->remote.in);
if (r < 0) {
log_netdev_error(netdev,
"Could not append IFLA_IPTUN_REMOTE attribute: %s",
strerror(-r));
return r;
}
r = sd_rtnl_message_append_u8(m, IFLA_IPTUN_TTL, t->ttl);
if (r < 0) {
log_netdev_error(netdev,
"Could not append IFLA_IPTUN_TTL attribute: %s",
strerror(-r));
return r;
}
r = sd_rtnl_message_append_u8(m, IFLA_IPTUN_PMTUDISC, t->pmtudisc);
if (r < 0) {
log_netdev_error(netdev,
"Could not append IFLA_IPTUN_PMTUDISC attribute: %s",
strerror(-r));
return r;
}
return r;
}
static int netdev_ip6gre_fill_message_create(NetDev *netdev, Link *link, sd_rtnl_message *m) {
Tunnel *t;
int r;
assert(netdev);
if (netdev->kind == NETDEV_KIND_IP6GRE)
t = IP6GRE(netdev);
else
t = IP6GRETAP(netdev);
assert(t);
assert(t->family == AF_INET6);
assert(link);
assert(m);
r = sd_rtnl_message_append_u32(m, IFLA_GRE_LINK, link->ifindex);
if (r < 0) {
log_netdev_error(netdev,
"Could not append IFLA_GRE_LINK attribute: %s",
strerror(-r));
return r;
}
r = sd_rtnl_message_append_in6_addr(m, IFLA_GRE_LOCAL, &t->local.in6);
if (r < 0) {
log_netdev_error(netdev,
"Could not append IFLA_GRE_LOCAL attribute: %s",
strerror(-r));
return r;
}
r = sd_rtnl_message_append_in6_addr(m, IFLA_GRE_REMOTE, &t->remote.in6);
if (r < 0) {
log_netdev_error(netdev,
"Could not append IFLA_GRE_REMOTE attribute: %s",
strerror(-r));
return r;
}
r = sd_rtnl_message_append_u8(m, IFLA_GRE_TTL, t->ttl);
if (r < 0) {
log_netdev_error(netdev,
"Could not append IFLA_GRE_TTL attribute: %s",
strerror(-r));
return r;
}
return r;
}
int rtnl_set_link_properties(sd_rtnl *rtnl, int ifindex, const char *alias,
const struct ether_addr *mac, unsigned mtu) {
_cleanup_rtnl_message_unref_ sd_rtnl_message *message = NULL;
bool need_update = false;
int r;
assert(rtnl);
assert(ifindex > 0);
if (!alias && !mac && mtu == 0)
return 0;
r = sd_rtnl_message_new_link(rtnl, &message, RTM_SETLINK, ifindex);
if (r < 0)
return r;
if (alias) {
r = sd_rtnl_message_append_string(message, IFLA_IFALIAS, alias);
if (r < 0)
return r;
need_update = true;
}
if (mac) {
r = sd_rtnl_message_append_ether_addr(message, IFLA_ADDRESS, mac);
if (r < 0)
return r;
need_update = true;
}
if (mtu > 0) {
r = sd_rtnl_message_append_u32(message, IFLA_MTU, mtu);
if (r < 0)
return r;
need_update = true;
}
if (need_update) {
r = sd_rtnl_call(rtnl, message, 0, NULL);
if (r < 0)
return r;
}
return 0;
}
static void test_message_link_bridge(sd_rtnl *rtnl) {
_cleanup_rtnl_message_unref_ sd_rtnl_message *message = NULL;
uint32_t cost;
assert_se(sd_rtnl_message_new_link(rtnl, &message, RTM_NEWLINK, 1) >= 0);
assert_se(sd_rtnl_message_link_set_family(message, PF_BRIDGE) >= 0);
assert_se(sd_rtnl_message_open_container(message, IFLA_PROTINFO) >= 0);
assert_se(sd_rtnl_message_append_u32(message, IFLA_BRPORT_COST, 10) >= 0);
assert_se(sd_rtnl_message_close_container(message) >= 0);
assert_se(sd_rtnl_message_rewind(message) >= 0);
assert_se(sd_rtnl_message_enter_container(message, IFLA_PROTINFO) >= 0);
assert_se(sd_rtnl_message_read_u32(message, IFLA_BRPORT_COST, &cost) >= 0);
assert_se(cost == 10);
assert_se(sd_rtnl_message_exit_container(message) >= 0);
}
static void test_route(void) {
_cleanup_rtnl_message_unref_ sd_rtnl_message *req;
struct in_addr addr, addr_data;
uint32_t index = 2, u32_data;
int r;
r = sd_rtnl_message_new_route(NULL, &req, RTM_NEWROUTE, AF_INET, RTPROT_STATIC);
if (r < 0) {
log_error_errno(r, "Could not create RTM_NEWROUTE message: %m");
return;
}
addr.s_addr = htonl(INADDR_LOOPBACK);
r = sd_rtnl_message_append_in_addr(req, RTA_GATEWAY, &addr);
if (r < 0) {
log_error_errno(r, "Could not append RTA_GATEWAY attribute: %m");
return;
}
r = sd_rtnl_message_append_u32(req, RTA_OIF, index);
if (r < 0) {
log_error_errno(r, "Could not append RTA_OIF attribute: %m");
return;
}
assert_se(sd_rtnl_message_rewind(req) >= 0);
assert_se(sd_rtnl_message_read_in_addr(req, RTA_GATEWAY, &addr_data) >= 0);
assert_se(addr_data.s_addr == addr.s_addr);
assert_se(sd_rtnl_message_read_u32(req, RTA_OIF, &u32_data) >= 0);
assert_se(u32_data == index);
assert_se((req = sd_rtnl_message_unref(req)) == NULL);
}
static int test_tunnel_configure(sd_rtnl *rtnl) {
int r;
sd_rtnl_message *m, *n;
struct in_addr local, remote;
/* skip test if module cannot be loaded */
r = load_module("ipip");
if(r < 0)
return EXIT_TEST_SKIP;
if(getuid() != 0)
return EXIT_TEST_SKIP;
/* IPIP tunnel */
assert_se(sd_rtnl_message_new_link(rtnl, &m, RTM_NEWLINK, 0) >= 0);
assert_se(m);
assert_se(sd_rtnl_message_append_string(m, IFLA_IFNAME, "ipip-tunnel") >= 0);
assert_se(sd_rtnl_message_append_u32(m, IFLA_MTU, 1234)>= 0);
assert_se(sd_rtnl_message_open_container(m, IFLA_LINKINFO) >= 0);
assert_se(sd_rtnl_message_open_container_union(m, IFLA_INFO_DATA, "ipip") >= 0);
inet_pton(AF_INET, "192.168.21.1", &local.s_addr);
assert_se(sd_rtnl_message_append_u32(m, IFLA_IPTUN_LOCAL, local.s_addr) >= 0);
inet_pton(AF_INET, "192.168.21.2", &remote.s_addr);
assert_se(sd_rtnl_message_append_u32(m, IFLA_IPTUN_REMOTE, remote.s_addr) >= 0);
assert_se(sd_rtnl_message_close_container(m) >= 0);
assert_se(sd_rtnl_message_close_container(m) >= 0);
assert_se(sd_rtnl_call(rtnl, m, -1, 0) == 1);
assert_se((m = sd_rtnl_message_unref(m)) == NULL);
r = load_module("sit");
if(r < 0)
return EXIT_TEST_SKIP;
/* sit */
assert_se(sd_rtnl_message_new_link(rtnl, &n, RTM_NEWLINK, 0) >= 0);
assert_se(n);
assert_se(sd_rtnl_message_append_string(n, IFLA_IFNAME, "sit-tunnel") >= 0);
assert_se(sd_rtnl_message_append_u32(n, IFLA_MTU, 1234)>= 0);
assert_se(sd_rtnl_message_open_container(n, IFLA_LINKINFO) >= 0);
assert_se(sd_rtnl_message_open_container_union(n, IFLA_INFO_DATA, "sit") >= 0);
assert_se(sd_rtnl_message_append_u8(n, IFLA_IPTUN_PROTO, IPPROTO_IPIP) >= 0);
inet_pton(AF_INET, "192.168.21.3", &local.s_addr);
assert_se(sd_rtnl_message_append_u32(n, IFLA_IPTUN_LOCAL, local.s_addr) >= 0);
inet_pton(AF_INET, "192.168.21.4", &remote.s_addr);
assert_se(sd_rtnl_message_append_u32(n, IFLA_IPTUN_REMOTE, remote.s_addr) >= 0);
assert_se(sd_rtnl_message_close_container(n) >= 0);
assert_se(sd_rtnl_message_close_container(n) >= 0);
assert_se(sd_rtnl_call(rtnl, n, -1, 0) == 1);
assert_se((m = sd_rtnl_message_unref(n)) == NULL);
return EXIT_SUCCESS;
}
static int netdev_bond_fill_message_create(NetDev *netdev, Link *link, sd_rtnl_message *m) {
Bond *b = BOND(netdev);
int r;
assert(netdev);
assert(!link);
assert(b);
assert(m);
if (b->mode != _NETDEV_BOND_MODE_INVALID) {
r = sd_rtnl_message_append_u8(m, IFLA_BOND_MODE,
bond_mode_to_kernel(b->mode));
if (r < 0) {
log_netdev_error(netdev,
"Could not append IFLA_BOND_MODE attribute: %s",
strerror(-r));
return r;
}
}
if (b->xmit_hash_policy != _NETDEV_BOND_XMIT_HASH_POLICY_INVALID) {
r = sd_rtnl_message_append_u8(m, IFLA_BOND_XMIT_HASH_POLICY,
bond_xmit_hash_policy_to_kernel(b->xmit_hash_policy));
if (r < 0) {
log_netdev_error(netdev,
"Could not append IFLA_BOND_XMIT_HASH_POLICY attribute: %s",
strerror(-r));
return r;
}
}
if (b->lacp_rate != _NETDEV_BOND_LACP_RATE_INVALID &&
b->mode == NETDEV_BOND_MODE_802_3AD) {
r = sd_rtnl_message_append_u8(m, IFLA_BOND_AD_LACP_RATE, b->lacp_rate );
if (r < 0) {
log_netdev_error(netdev,
"Could not append IFLA_BOND_AD_LACP_RATE attribute: %s",
strerror(-r));
return r;
}
}
if (b->miimon != 0) {
r = sd_rtnl_message_append_u32(m, IFLA_BOND_MIIMON, b->miimon / USEC_PER_MSEC);
if (r < 0) {
log_netdev_error(netdev,
"Could not append IFLA_BOND_BOND_MIIMON attribute: %s",
strerror(-r));
return r;
}
}
if (b->downdelay != 0) {
r = sd_rtnl_message_append_u32(m, IFLA_BOND_DOWNDELAY, b->downdelay / USEC_PER_MSEC);
if (r < 0) {
log_netdev_error(netdev,
"Could not append IFLA_BOND_DOWNDELAY attribute: %s",
strerror(-r));
return r;
}
}
if (b->updelay != 0) {
r = sd_rtnl_message_append_u32(m, IFLA_BOND_UPDELAY, b->updelay / USEC_PER_MSEC);
if (r < 0) {
log_netdev_error(netdev,
"Could not append IFLA_BOND_UPDELAY attribute: %s",
strerror(-r));
return r;
}
}
return 0;
}
static int netdev_vxlan_fill_message_create(NetDev *netdev, Link *link, sd_rtnl_message *m) {
VxLan *v = VXLAN(netdev);
int r;
assert(netdev);
assert(v);
assert(link);
assert(m);
if (v->id <= VXLAN_VID_MAX) {
r = sd_rtnl_message_append_u32(m, IFLA_VXLAN_ID, v->id);
if (r < 0) {
log_netdev_error(netdev,
"Could not append IFLA_VXLAN_ID attribute: %s",
strerror(-r));
return r;
}
}
r = sd_rtnl_message_append_in_addr(m, IFLA_VXLAN_GROUP, &v->group.in);
if (r < 0) {
log_netdev_error(netdev,
"Could not append IFLA_VXLAN_GROUP attribute: %s",
strerror(-r));
return r;
}
r = sd_rtnl_message_append_u32(m, IFLA_VXLAN_LINK, link->ifindex);
if (r < 0) {
log_netdev_error(netdev,
"Could not append IFLA_VXLAN_LINK attribute: %s",
strerror(-r));
return r;
}
if(v->ttl) {
r = sd_rtnl_message_append_u8(m, IFLA_VXLAN_TTL, v->ttl);
if (r < 0) {
log_netdev_error(netdev,
"Could not append IFLA_VXLAN_TTL attribute: %s",
strerror(-r));
return r;
}
}
if(v->tos) {
r = sd_rtnl_message_append_u8(m, IFLA_VXLAN_TOS, v->tos);
if (r < 0) {
log_netdev_error(netdev,
"Could not append IFLA_VXLAN_TOS attribute: %s",
strerror(-r));
return r;
}
}
r = sd_rtnl_message_append_u8(m, IFLA_VXLAN_LEARNING, v->learning);
if (r < 0) {
log_netdev_error(netdev,
"Could not append IFLA_VXLAN_LEARNING attribute: %s",
strerror(-r));
return r;
}
r = sd_rtnl_message_append_u8(m, IFLA_VXLAN_RSC, v->route_short_circuit);
if (r < 0) {
log_netdev_error(netdev,
"Could not append IFLA_VXLAN_RSC attribute: %s",
strerror(-r));
return r;
}
r = sd_rtnl_message_append_u8(m, IFLA_VXLAN_PROXY, v->arp_proxy);
if (r < 0) {
log_netdev_error(netdev,
"Could not append IFLA_VXLAN_PROXY attribute: %s",
strerror(-r));
return r;
}
r = sd_rtnl_message_append_u8(m, IFLA_VXLAN_L2MISS, v->l2miss);
if (r < 0) {
log_netdev_error(netdev,
"Could not append IFLA_VXLAN_L2MISS attribute: %s",
strerror(-r));
return r;
}
r = sd_rtnl_message_append_u8(m, IFLA_VXLAN_L3MISS, v->l3miss);
if (r < 0) {
log_netdev_error(netdev,
"Could not append IFLA_VXLAN_L3MISS attribute: %s",
strerror(-r));
return r;
}
if(v->fdb_ageing) {
r = sd_rtnl_message_append_u32(m, IFLA_VXLAN_AGEING, v->fdb_ageing / USEC_PER_SEC);
if (r < 0) {
log_netdev_error(netdev,
"Could not append IFLA_VXLAN_AGEING attribute: %s",
strerror(-r));
return r;
}
}
r = sd_rtnl_message_append_u8(m, IFLA_VXLAN_UDP_CSUM, v->udpcsum);
if (r < 0) {
log_netdev_error(netdev,
"Could not append IFLA_VXLAN_UDP_CSUM attribute: %s",
strerror(-r));
return r;
}
r = sd_rtnl_message_append_u8(m, IFLA_VXLAN_UDP_ZERO_CSUM6_TX, v->udp6zerocsumtx);
if (r < 0) {
log_netdev_error(netdev,
"Could not append IFLA_VXLAN_UDP_ZERO_CSUM6_TX attribute: %s",
strerror(-r));
return r;
}
r = sd_rtnl_message_append_u8(m, IFLA_VXLAN_UDP_ZERO_CSUM6_RX, v->udp6zerocsumrx);
if (r < 0) {
log_netdev_error(netdev,
"Could not append IFLA_VXLAN_UDP_ZERO_CSUM6_RX attribute: %s",
strerror(-r));
return r;
}
return r;
}
static void test_link_get(sd_rtnl *rtnl, int ifindex) {
sd_rtnl_message *m;
sd_rtnl_message *r;
unsigned int mtu = 1500;
unsigned int *mtu_reply;
void *data;
char *str_data;
uint16_t type;
uint8_t u8_data;
uint32_t u32_data;
struct ether_addr eth_data;
assert_se(sd_rtnl_message_new_link(rtnl, &m, RTM_GETLINK, ifindex) >= 0);
assert_se(m);
/* u8 test cases */
assert_se(sd_rtnl_message_append_u8(m, IFLA_CARRIER, 0) >= 0);
assert_se(sd_rtnl_message_append_u8(m, IFLA_OPERSTATE, 0) >= 0);
assert_se(sd_rtnl_message_append_u8(m, IFLA_LINKMODE, 0) >= 0);
/* u32 test cases */
assert_se(sd_rtnl_message_append_u32(m, IFLA_MTU, mtu) >= 0);
assert_se(sd_rtnl_message_append_u32(m, IFLA_GROUP, 0) >= 0);
assert_se(sd_rtnl_message_append_u32(m, IFLA_TXQLEN, 0) >= 0);
assert_se(sd_rtnl_message_append_u32(m, IFLA_NUM_TX_QUEUES, 0) >= 0);
assert_se(sd_rtnl_message_append_u32(m, IFLA_NUM_RX_QUEUES, 0) >= 0);
assert_se(sd_rtnl_call(rtnl, m, -1, &r) == 1);
/* u8 read back */
assert_se(sd_rtnl_message_read(m, &type, &data) == 1);
assert_se(type == IFLA_CARRIER);
assert_se(sd_rtnl_message_read(m, &type, &data) == 1);
assert_se(type == IFLA_OPERSTATE);
assert_se(sd_rtnl_message_read(m, &type, &data) == 1);
assert_se(type == IFLA_LINKMODE);
/* u32 read back */
assert_se(sd_rtnl_message_read(m, &type, (void **) &mtu_reply) == 1);
assert_se(type == IFLA_MTU);
assert_se(*mtu_reply == mtu);
assert_se(sd_rtnl_message_read(m, &type, &data) == 1);
assert_se(type == IFLA_GROUP);
assert_se(sd_rtnl_message_read(m, &type, &data) == 1);
assert_se(type == IFLA_TXQLEN);
assert_se(sd_rtnl_message_read(m, &type, &data) == 1);
assert_se(type == IFLA_NUM_TX_QUEUES);
assert_se(sd_rtnl_message_read(m, &type, &data) == 1);
assert_se(type == IFLA_NUM_RX_QUEUES);
while (sd_rtnl_message_read(r, &type, &data) > 0) {
switch (type) {
// case IFLA_MTU:
// assert_se(*(unsigned int *) data == 65536);
// break;
// case IFLA_QDISC:
// assert_se(streq((char *) data, "noqueue"));
// break;
case IFLA_IFNAME:
assert_se(streq((char *) data, "lo"));
break;
}
}
assert_se(sd_rtnl_message_read_string(r, IFLA_IFNAME, &str_data) == 0);
assert_se(sd_rtnl_message_read_u8(r, IFLA_CARRIER, &u8_data) == 0);
assert_se(sd_rtnl_message_read_u8(r, IFLA_OPERSTATE, &u8_data) == 0);
assert_se(sd_rtnl_message_read_u8(r, IFLA_LINKMODE, &u8_data) == 0);
assert_se(sd_rtnl_message_read_u32(r, IFLA_MTU, &u32_data) == 0);
assert_se(sd_rtnl_message_read_u32(r, IFLA_GROUP, &u32_data) == 0);
assert_se(sd_rtnl_message_read_u32(r, IFLA_TXQLEN, &u32_data) == 0);
assert_se(sd_rtnl_message_read_u32(r, IFLA_NUM_TX_QUEUES, &u32_data) == 0);
assert_se(sd_rtnl_message_read_u32(r, IFLA_NUM_RX_QUEUES, &u32_data) == 0);
assert_se(sd_rtnl_message_read_ether_addr(r, IFLA_ADDRESS, ð_data) == 0);
assert_se(sd_rtnl_flush(rtnl) >= 0);
assert_se((m = sd_rtnl_message_unref(m)) == NULL);
assert_se((r = sd_rtnl_message_unref(r)) == NULL);
}
static int netdev_fill_vxlan_rtnl_message(NetDev *netdev, Link *link, sd_rtnl_message *m) {
int r;
assert(link);
assert(link->network);
assert(m);
r = sd_rtnl_message_append_string(m, IFLA_IFNAME, netdev->ifname);
if (r < 0) {
log_error_netdev(netdev,
"Could not append IFLA_IFNAME, attribute: %s",
strerror(-r));
return r;
}
r = sd_rtnl_message_open_container(m, IFLA_LINKINFO);
if (r < 0) {
log_error_netdev(netdev,
"Could not append IFLA_LINKINFO attribute: %s",
strerror(-r));
return r;
}
r = sd_rtnl_message_open_container_union(m, IFLA_INFO_DATA,
netdev_kind_to_string(netdev->kind));
if (r < 0) {
log_error_netdev(netdev,
"Could not append IFLA_INFO_DATA attribute: %s",
strerror(-r));
return r;
}
if (netdev->vlanid <= VXLAN_VID_MAX) {
r = sd_rtnl_message_append_u32(m, IFLA_VXLAN_ID, netdev->vxlanid);
if (r < 0) {
log_error_netdev(netdev,
"Could not append IFLA_VXLAN_ID attribute: %s",
strerror(-r));
return r;
}
}
r = sd_rtnl_message_append_in_addr(m, IFLA_VXLAN_GROUP, &netdev->group.in);
if (r < 0) {
log_error_netdev(netdev,
"Could not append IFLA_VXLAN_GROUP attribute: %s",
strerror(-r));
return r;
}
r = sd_rtnl_message_append_u32(m, IFLA_VXLAN_LINK, link->ifindex);
if (r < 0) {
log_error_netdev(netdev,
"Could not append IFLA_VXLAN_LINK attribute: %s",
strerror(-r));
return r;
}
if(netdev->ttl) {
r = sd_rtnl_message_append_u8(m, IFLA_VXLAN_TTL, netdev->ttl);
if (r < 0) {
log_error_netdev(netdev,
"Could not append IFLA_VXLAN_TTL attribute: %s",
strerror(-r));
return r;
}
}
if(netdev->tos) {
r = sd_rtnl_message_append_u8(m, IFLA_VXLAN_TOS, netdev->tos);
if (r < 0) {
log_error_netdev(netdev,
"Could not append IFLA_VXLAN_TOS attribute: %s",
strerror(-r));
return r;
}
}
r = sd_rtnl_message_append_u8(m, IFLA_VXLAN_LEARNING, netdev->learning);
if (r < 0) {
log_error_netdev(netdev,
"Could not append IFLA_VXLAN_LEARNING attribute: %s",
strerror(-r));
return r;
}
r = sd_rtnl_message_close_container(m);
if (r < 0) {
log_error_netdev(netdev,
"Could not append IFLA_LINKINFO attribute: %s",
strerror(-r));
return r;
}
return r;
}
int netdev_create_vlan(NetDev *netdev, Link *link, sd_rtnl_message_handler_t callback) {
_cleanup_rtnl_message_unref_ sd_rtnl_message *req = NULL;
const char *kind;
int r;
assert(netdev);
assert(netdev->kind == NETDEV_KIND_VLAN);
assert(link);
assert(callback);
assert(netdev->ifname);
assert(netdev->manager);
assert(netdev->manager->rtnl);
r = sd_rtnl_message_new_link(netdev->manager->rtnl, &req, RTM_NEWLINK, 0);
if (r < 0) {
log_error_netdev(netdev,
"Could not allocate RTM_NEWLINK message: %s",
strerror(-r));
return r;
}
if (link) {
r = sd_rtnl_message_append_u32(req, IFLA_LINK, link->ifindex);
if (r < 0) {
log_error_netdev(netdev,
"Could not append IFLA_LINK attribute: %s",
strerror(-r));
return r;
}
}
r = sd_rtnl_message_append_string(req, IFLA_IFNAME, netdev->ifname);
if (r < 0) {
log_error_netdev(netdev,
"Could not append IFLA_IFNAME attribute: %s",
strerror(-r));
return r;
}
if (netdev->mtu) {
r = sd_rtnl_message_append_u32(req, IFLA_MTU, netdev->mtu);
if (r < 0) {
log_error_netdev(netdev,
"Could not append IFLA_MTU attribute: %s",
strerror(-r));
return r;
}
}
if (netdev->mac) {
r = sd_rtnl_message_append_ether_addr(req, IFLA_ADDRESS, netdev->mac);
if (r < 0) {
log_error_netdev(netdev,
"Colud not append IFLA_ADDRESS attribute: %s",
strerror(-r));
return r;
}
}
r = sd_rtnl_message_open_container(req, IFLA_LINKINFO);
if (r < 0) {
log_error_netdev(netdev,
"Could not open IFLA_LINKINFO container: %s",
strerror(-r));
return r;
}
kind = netdev_kind_to_string(netdev->kind);
if (!kind) {
log_error_netdev(netdev, "Invalid kind");
return -EINVAL;
}
r = sd_rtnl_message_open_container_union(req, IFLA_INFO_DATA, kind);
if (r < 0) {
log_error_netdev(netdev,
"Could not open IFLA_INFO_DATA container: %s",
strerror(-r));
return r;
}
if (netdev->vlanid <= VLANID_MAX) {
r = sd_rtnl_message_append_u16(req, IFLA_VLAN_ID, netdev->vlanid);
if (r < 0) {
log_error_netdev(netdev,
"Could not append IFLA_VLAN_ID attribute: %s",
strerror(-r));
return r;
}
}
r = sd_rtnl_message_close_container(req);
if (r < 0) {
log_error_netdev(netdev,
"Could not close IFLA_INFO_DATA container %s",
strerror(-r));
return r;
}
r = sd_rtnl_message_close_container(req);
if (r < 0) {
log_error_netdev(netdev,
"Could not close IFLA_LINKINFO container %s",
strerror(-r));
return r;
}
r = sd_rtnl_call_async(netdev->manager->rtnl, req, callback, link, 0, NULL);
if (r < 0) {
log_error_netdev(netdev,
"Could not send rtnetlink message: %s", strerror(-r));
return r;
}
link_ref(link);
log_debug_netdev(netdev, "creating netdev");
netdev->state = NETDEV_STATE_CREATING;
return 0;
}
static int netdev_fill_vti_rtnl_message(Link *link, sd_rtnl_message *m) {
NetDev *netdev;
int r;
assert(link);
assert(link->network);
assert(link->network->tunnel);
assert(m);
netdev = link->network->tunnel;
assert(netdev->family == AF_INET);
r = sd_rtnl_message_append_string(m, IFLA_IFNAME, netdev->ifname);
if (r < 0) {
log_error_netdev(netdev,
"Could not append IFLA_IFNAME, attribute: %s",
strerror(-r));
return r;
}
if(netdev->mtu) {
r = sd_rtnl_message_append_u32(m, IFLA_MTU, netdev->mtu);
if (r < 0) {
log_error_netdev(netdev,
"Could not append IFLA_MTU attribute: %s",
strerror(-r));
return r;
}
}
if (netdev->mac) {
r = sd_rtnl_message_append_ether_addr(m, IFLA_ADDRESS, netdev->mac);
if (r < 0) {
log_error_netdev(netdev,
"Colud not append IFLA_ADDRESS attribute: %s",
strerror(-r));
return r;
}
}
r = sd_rtnl_message_open_container(m, IFLA_LINKINFO);
if (r < 0) {
log_error_netdev(netdev,
"Could not append IFLA_LINKINFO attribute: %s",
strerror(-r));
return r;
}
r = sd_rtnl_message_open_container_union(m, IFLA_INFO_DATA,
netdev_kind_to_string(netdev->kind));
if (r < 0) {
log_error_netdev(netdev,
"Could not append IFLA_INFO_DATA attribute: %s",
strerror(-r));
return r;
}
r = sd_rtnl_message_append_u32(m, IFLA_VTI_LINK, link->ifindex);
if (r < 0) {
log_error_netdev(netdev,
"Could not append IFLA_IPTUN_LINK attribute: %s",
strerror(-r));
return r;
}
r = sd_rtnl_message_append_in_addr(m, IFLA_VTI_LOCAL, &netdev->local.in);
if (r < 0) {
log_error_netdev(netdev,
"Could not append IFLA_IPTUN_LOCAL attribute: %s",
strerror(-r));
return r;
}
r = sd_rtnl_message_append_in_addr(m, IFLA_VTI_REMOTE, &netdev->remote.in);
if (r < 0) {
log_error_netdev(netdev,
"Could not append IFLA_IPTUN_REMOTE attribute: %s",
strerror(-r));
return r;
}
r = sd_rtnl_message_close_container(m);
if (r < 0) {
log_error_netdev(netdev,
"Could not append IFLA_INFO_DATA attribute: %s",
strerror(-r));
return r;
}
r = sd_rtnl_message_close_container(m);
if (r < 0) {
log_error_netdev(netdev,
"Could not append IFLA_LINKINFO attribute: %s",
strerror(-r));
return r;
}
return r;
}
static int netdev_ip6tnl_fill_message_create(NetDev *netdev, Link *link, sd_rtnl_message *m) {
Tunnel *t = IP6TNL(netdev);
uint8_t proto;
int r;
assert(netdev);
assert(link);
assert(m);
assert(t);
assert(t->family == AF_INET6);
r = sd_rtnl_message_append_u32(m, IFLA_IPTUN_LINK, link->ifindex);
if (r < 0) {
log_netdev_error(netdev,
"Could not append IFLA_IPTUN_LINK attribute: %s",
strerror(-r));
return r;
}
r = sd_rtnl_message_append_in6_addr(m, IFLA_IPTUN_LOCAL, &t->local.in6);
if (r < 0) {
log_netdev_error(netdev,
"Could not append IFLA_IPTUN_LOCAL attribute: %s",
strerror(-r));
return r;
}
r = sd_rtnl_message_append_in6_addr(m, IFLA_IPTUN_REMOTE, &t->remote.in6);
if (r < 0) {
log_netdev_error(netdev,
"Could not append IFLA_IPTUN_REMOTE attribute: %s",
strerror(-r));
return r;
}
r = sd_rtnl_message_append_u8(m, IFLA_IPTUN_TTL, t->ttl);
if (r < 0) {
log_netdev_error(netdev,
"Could not append IFLA_IPTUN_TTL attribute: %s",
strerror(-r));
return r;
}
switch (t->ip6tnl_mode) {
case NETDEV_IP6_TNL_MODE_IP6IP6:
proto = IPPROTO_IPV6;
break;
case NETDEV_IP6_TNL_MODE_IPIP6:
proto = IPPROTO_IPIP;
break;
case NETDEV_IP6_TNL_MODE_ANYIP6:
default:
proto = 0;
break;
}
r = sd_rtnl_message_append_u8(m, IFLA_IPTUN_PROTO, proto);
if (r < 0) {
log_netdev_error(netdev,
"Could not append IFLA_IPTUN_MODE attribute: %s",
strerror(-r));
return r;
}
return r;
}
