tests/gnrc_sock_{udp,ip}: test sock_aux_rssi

Extend tests to also cover testing sock_aux_rssi

tests/gnrc_sock_ip/Makefile

@@ -2,6 +2,7 @@ include ../Makefile.tests_common
 
 AUX_LOCAL ?= 1
 AUX_TIMESTAMP ?= 1
+AUX_RSSI ?= 1
 
 ifeq (1, $(AUX_LOCAL))
   USEMODULE += sock_aux_local
@@ -11,6 +12,10 @@ ifeq (1, $(AUX_TIMESTAMP))
   USEMODULE += sock_aux_timestamp
 endif
 
+ifeq (1, $(AUX_RSSI))
+  USEMODULE += sock_aux_rssi
+endif
+
 USEMODULE += sock_ip
 USEMODULE += gnrc_ipv6
 USEMODULE += ps

tests/gnrc_sock_ip/main.c

@@ -352,7 +352,7 @@ static void test_sock_ip_recv__aux(void)
     static const inject_aux_t inject_aux = { .timestamp = 42 };
     sock_ip_ep_t result;
     sock_ip_aux_rx_t aux = {
-        .flags = SOCK_AUX_GET_LOCAL | SOCK_AUX_GET_TIMESTAMP
+        .flags = SOCK_AUX_GET_LOCAL | SOCK_AUX_GET_TIMESTAMP | SOCK_AUX_GET_RSSI
     };
 
     expect(0 == sock_ip_create(&_sock, &local, NULL, _TEST_PROTO,
@@ -376,6 +376,12 @@ static void test_sock_ip_recv__aux(void)
     expect(aux.timestamp == inject_aux.timestamp);
 #else
     expect(aux.flags & SOCK_AUX_GET_TIMESTAMP);
+#endif
+#if IS_USED(MODULE_SOCK_AUX_RSSI)
+    expect(!(aux.flags & SOCK_AUX_GET_RSSI));
+    expect(aux.rssi == inject_aux.rssi);
+#else
+    expect(aux.flags & SOCK_AUX_GET_RSSI);
 #endif
     expect(_check_net());
 }

tests/gnrc_sock_ip/stack.c

@@ -72,6 +72,7 @@ static gnrc_pktsnip_t *_build_ipv6_packet(const ipv6_addr_t *src,
     netif_hdr->if_pid = (kernel_pid_t)netif;
     if (aux) {
         gnrc_netif_hdr_set_timestamp(netif_hdr, aux->timestamp);
+        netif_hdr->rssi = aux->rssi;
     }
     return gnrc_pkt_append(payload, netif_hdr_snip);
 }

tests/gnrc_sock_ip/stack.h

@@ -44,6 +44,7 @@ void _prepare_send_checks(void);
  */
 typedef struct {
     uint64_t timestamp;     /**< Timestamp of reception */
+    int16_t rssi;           /**< Fake RSSI value */
 } inject_aux_t;
 
 /**

tests/gnrc_sock_udp/Makefile

@@ -2,6 +2,7 @@ include ../Makefile.tests_common
 
 AUX_LOCAL ?= 1
 AUX_TIMESTAMP ?= 1
+AUX_RSSI ?= 1
 
 ifeq (1, $(AUX_LOCAL))
   USEMODULE += sock_aux_local
@@ -11,6 +12,10 @@ ifeq (1, $(AUX_TIMESTAMP))
   USEMODULE += sock_aux_timestamp
 endif
 
+ifeq (1, $(AUX_RSSI))
+  USEMODULE += sock_aux_rssi
+endif
+
 USEMODULE += gnrc_sock_check_reuse
 USEMODULE += sock_udp
 USEMODULE += gnrc_ipv6

tests/gnrc_sock_udp/main.c

@@ -429,10 +429,10 @@ static void test_sock_udp_recv__aux(void)
     static const ipv6_addr_t dst_addr = { .u8 = _TEST_ADDR_LOCAL };
     static const sock_udp_ep_t local = { .family = AF_INET6,
                                          .port = _TEST_PORT_LOCAL };
-    static const inject_aux_t inject_aux = { .timestamp = 1337 };
+    static const inject_aux_t inject_aux = { .timestamp = 1337, .rssi = -11 };
     sock_udp_ep_t result;
     sock_udp_aux_rx_t aux = {
-        .flags = SOCK_AUX_GET_LOCAL | SOCK_AUX_GET_TIMESTAMP
+        .flags = SOCK_AUX_GET_LOCAL | SOCK_AUX_GET_TIMESTAMP | SOCK_AUX_GET_RSSI
     };
 
     expect(0 == sock_udp_create(&_sock, &local, NULL, SOCK_FLAGS_REUSE_EP));
@@ -458,6 +458,12 @@ static void test_sock_udp_recv__aux(void)
     expect(inject_aux.timestamp == aux.timestamp);
 #else
     expect(aux.flags & SOCK_AUX_GET_TIMESTAMP);
+#endif
+#if IS_USED(MODULE_SOCK_AUX_RSSI)
+    expect(!(aux.flags & SOCK_AUX_GET_RSSI));
+    expect(inject_aux.rssi == aux.rssi);
+#else
+    expect(aux.flags & SOCK_AUX_GET_RSSI);
 #endif
     expect(_check_net());
 }

tests/gnrc_sock_udp/stack.c

@@ -95,6 +95,7 @@ static gnrc_pktsnip_t *_build_udp_packet(const ipv6_addr_t *src,
     netif_hdr->if_pid = (kernel_pid_t)netif;
     if (aux) {
         gnrc_netif_hdr_set_timestamp(netif_hdr, aux->timestamp);
+        netif_hdr->rssi = aux->rssi;
     }
     return gnrc_pkt_append(udp, netif_hdr_snip);
 }

tests/gnrc_sock_udp/stack.h

@@ -44,6 +44,7 @@ void _prepare_send_checks(void);
  */
 typedef struct {
     uint64_t timestamp; /**< Timestamp of reception */
+    int16_t rssi;       /**< Fake RSSI value */
 } inject_aux_t;
 
 /**