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-rw-r--r--src/libsystemd/sd-rtnl/sd-rtnl.c4
-rw-r--r--src/network/networkd-manager.c7
-rw-r--r--src/systemd/sd-rtnl.h1
3 files changed, 12 insertions, 0 deletions
diff --git a/src/libsystemd/sd-rtnl/sd-rtnl.c b/src/libsystemd/sd-rtnl/sd-rtnl.c
index 1af38f3667..abb011ea24 100644
--- a/src/libsystemd/sd-rtnl/sd-rtnl.c
+++ b/src/libsystemd/sd-rtnl/sd-rtnl.c
@@ -140,6 +140,10 @@ int sd_rtnl_open(sd_rtnl **ret, unsigned n_groups, ...) {
return 0;
}
+int sd_rtnl_inc_rcvbuf(const sd_rtnl *const rtnl, const int size) {
+ return fd_inc_rcvbuf(rtnl->fd, size);
+}
+
sd_rtnl *sd_rtnl_ref(sd_rtnl *rtnl) {
assert_return(rtnl, NULL);
assert_return(!rtnl_pid_changed(rtnl), NULL);
diff --git a/src/network/networkd-manager.c b/src/network/networkd-manager.c
index 2c8a330d75..6046dc7d62 100644
--- a/src/network/networkd-manager.c
+++ b/src/network/networkd-manager.c
@@ -36,6 +36,9 @@
#include "sd-rtnl.h"
+/* use 8 MB for receive socket kernel queue. */
+#define RCVBUF_SIZE (8*1024*1024)
+
const char* const network_dirs[] = {
"/etc/systemd/network",
"/run/systemd/network",
@@ -98,6 +101,10 @@ int manager_new(Manager **ret) {
if (r < 0)
return r;
+ r = sd_rtnl_inc_rcvbuf(m->rtnl, RCVBUF_SIZE);
+ if (r < 0)
+ return r;
+
r = sd_bus_default_system(&m->bus);
if (r < 0 && r != -ENOENT) /* TODO: drop when we can rely on kdbus */
return r;
diff --git a/src/systemd/sd-rtnl.h b/src/systemd/sd-rtnl.h
index 0980de8e3f..95bdb1d3d6 100644
--- a/src/systemd/sd-rtnl.h
+++ b/src/systemd/sd-rtnl.h
@@ -41,6 +41,7 @@ typedef int (*sd_rtnl_message_handler_t)(sd_rtnl *rtnl, sd_rtnl_message *m, void
/* bus */
int sd_rtnl_open(sd_rtnl **nl, unsigned n_groups, ...);
+int sd_rtnl_inc_rcvbuf(const sd_rtnl *const rtnl, const int size);
sd_rtnl *sd_rtnl_ref(sd_rtnl *nl);
sd_rtnl *sd_rtnl_unref(sd_rtnl *nl);