Add missing function required to load Crespo RIL library.

ifc_set_mask() function was removed in a previous change. This function
is called by the Crespo RIL, so we can't remove it yet.

Bug: 4268537
Change-Id: I634580ee8d2a1aff069178837cc121c89c5e73f9

1 files changed, 10 insertions, 0 deletions

diff --git a/libnetutils/ifc_utils.c b/libnetutils/ifc_utils.c
index 946c39de9..92b96816f 100644
--- a/libnetutils/ifc_utils.c
+++ b/libnetutils/ifc_utils.c
@@ -206,6 +206,16 @@ int ifc_set_hwaddr(const char *name, const void *ptr)
     return ioctl(ifc_ctl_sock, SIOCSIFHWADDR, &ifr);
 }
 
+int ifc_set_mask(const char *name, in_addr_t mask)
+{
+    struct ifreq ifr;
+
+    ifc_init_ifr(name, &ifr);
+    init_sockaddr_in(&ifr.ifr_addr, mask);
+
+    return ioctl(ifc_ctl_sock, SIOCSIFNETMASK, &ifr);
+}
+
 int ifc_set_prefixLength(const char *name, int prefixLength)
 {
     struct ifreq ifr;