Introduce "features" for the kernel backends returning kernel capabilities

[strongswan.git] / src / libhydra / kernel / kernel_interface.c

diff --git a/src/libhydra/kernel/kernel_interface.c b/src/libhydra/kernel/kernel_interface.c
index 8948e05..b82fd6d 100644 (file)
--- a/src/libhydra/kernel/kernel_interface.c
+++ b/src/libhydra/kernel/kernel_interface.c
@@ -137,6 +137,22 @@ struct private_kernel_interface_t {
        bool ifaces_exclude;
 };
 
+METHOD(kernel_interface_t, get_features, kernel_feature_t,
+       private_kernel_interface_t *this)
+{
+       kernel_feature_t features = 0;
+
+       if (this->ipsec && this->ipsec->get_features)
+       {
+               features |= this->ipsec->get_features(this->ipsec);
+       }
+       if (this->net && this->net->get_features)
+       {
+               features |= this->net->get_features(this->net);
+       }
+       return features;
+}
+
 METHOD(kernel_interface_t, get_spi, status_t,
        private_kernel_interface_t *this, host_t *src, host_t *dst,
        u_int8_t protocol, u_int32_t reqid, u_int32_t *spi)
@@ -682,6 +698,7 @@ kernel_interface_t *kernel_interface_create()
 
        INIT(this,
                .public = {
+                       .get_features = _get_features,
                        .get_spi = _get_spi,
                        .get_cpi = _get_cpi,
                        .add_sa = _add_sa,
@@ -757,4 +774,3 @@ kernel_interface_t *kernel_interface_create()
 
        return &this->public;
 }
-