X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=src%2Flibsystemd%2Fsd-rtnl%2Frtnl-util.c;h=9ddf074c24a6bb5d0e4a27330442fe27d36adb5a;hp=fc834e95546fe4d4898f61fb41650773fce16f99;hb=2eec67acbb00593e414549a7e5b35eb7dd776b1b;hpb=151b9b9662a90455262ce575a8a8ae74bf4ff336
diff --git a/src/libsystemd/sd-rtnl/rtnl-util.c b/src/libsystemd/sd-rtnl/rtnl-util.c
index fc834e955..9ddf074c2 100644
--- a/src/libsystemd/sd-rtnl/rtnl-util.c
+++ b/src/libsystemd/sd-rtnl/rtnl-util.c
@@ -19,14 +19,13 @@
along with systemd; If not, see .
***/
-#include
#include "sd-rtnl.h"
#include "rtnl-util.h"
#include "rtnl-internal.h"
-int rtnl_set_link_name(sd_rtnl *rtnl, int ifindex, const char *name) {
+int rtnl_set_link_name(sd_rtnl **rtnl, int ifindex, const char *name) {
_cleanup_rtnl_message_unref_ sd_rtnl_message *message = NULL;
int r;
@@ -34,7 +33,13 @@ int rtnl_set_link_name(sd_rtnl *rtnl, int ifindex, const char *name) {
assert(ifindex > 0);
assert(name);
- r = sd_rtnl_message_new_link(rtnl, &message, RTM_SETLINK, ifindex);
+ if (!*rtnl) {
+ r = sd_rtnl_open(rtnl, 0);
+ if (r < 0)
+ return r;
+ }
+
+ r = sd_rtnl_message_new_link(*rtnl, &message, RTM_SETLINK, ifindex);
if (r < 0)
return r;
@@ -42,17 +47,16 @@ int rtnl_set_link_name(sd_rtnl *rtnl, int ifindex, const char *name) {
if (r < 0)
return r;
- r = sd_rtnl_call(rtnl, message, 0, NULL);
+ r = sd_rtnl_call(*rtnl, message, 0, NULL);
if (r < 0)
return r;
return 0;
}
-int rtnl_set_link_properties(sd_rtnl *rtnl, int ifindex, const char *alias,
+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);
@@ -61,7 +65,13 @@ int rtnl_set_link_properties(sd_rtnl *rtnl, int ifindex, const char *alias,
if (!alias && !mac && mtu == 0)
return 0;
- r = sd_rtnl_message_new_link(rtnl, &message, RTM_SETLINK, ifindex);
+ if (!*rtnl) {
+ r = sd_rtnl_open(rtnl, 0);
+ if (r < 0)
+ return r;
+ }
+
+ r = sd_rtnl_message_new_link(*rtnl, &message, RTM_SETLINK, ifindex);
if (r < 0)
return r;
@@ -69,32 +79,23 @@ int rtnl_set_link_properties(sd_rtnl *rtnl, int ifindex, const char *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;
- }
+ r = sd_rtnl_call(*rtnl, message, 0, NULL);
+ if (r < 0)
+ return r;
return 0;
}
@@ -105,12 +106,10 @@ int rtnl_message_new_synthetic_error(int error, uint32_t serial, sd_rtnl_message
assert(error <= 0);
- r = message_new(NULL, ret, NLMSG_SPACE(sizeof(struct nlmsgerr)));
+ r = message_new(NULL, ret, NLMSG_ERROR);
if (r < 0)
return r;
- (*ret)->hdr->nlmsg_len = NLMSG_LENGTH(sizeof(struct nlmsgerr));
- (*ret)->hdr->nlmsg_type = NLMSG_ERROR;
(*ret)->hdr->nlmsg_seq = serial;
err = NLMSG_DATA((*ret)->hdr);
@@ -120,6 +119,17 @@ int rtnl_message_new_synthetic_error(int error, uint32_t serial, sd_rtnl_message
return 0;
}
+bool rtnl_message_type_is_neigh(uint16_t type) {
+ switch (type) {
+ case RTM_NEWNEIGH:
+ case RTM_GETNEIGH:
+ case RTM_DELNEIGH:
+ return true;
+ default:
+ return false;
+ }
+}
+
bool rtnl_message_type_is_route(uint16_t type) {
switch (type) {
case RTM_NEWROUTE:
@@ -154,18 +164,10 @@ bool rtnl_message_type_is_addr(uint16_t type) {
}
}
-int rtnl_message_link_get_ifname(sd_rtnl_message *message, const char **ret) {
- unsigned short type;
- void *name;
-
- assert(rtnl_message_type_is_link(message->hdr->nlmsg_type));
-
- while (sd_rtnl_message_read(message, &type, &name)) {
- if (type == IFLA_IFNAME) {
- *ret = name;
- return 0;
- }
- }
+int rtnl_log_parse_error(int r) {
+ return log_error_errno(r, "Failed to parse netlink message: %m");
+}
- return -ENOENT;
+int rtnl_log_create_error(int r) {
+ return log_error_errno(r, "Failed to create netlink message: %m");
}