@@ -23,6 +23,7 @@
*/
#include "qemu/osdep.h"
+#include "qemu/log.h"
#include "net/slirp.h"
@@ -140,8 +141,14 @@ static NetClientInfo net_slirp_info = {
.cleanup = net_slirp_cleanup,
};
+static void net_slirp_guest_error(const char *msg)
+{
+ qemu_log_mask(LOG_GUEST_ERROR, "%s", msg);
+}
+
static const SlirpCb slirp_cb = {
.output = net_slirp_output,
+ .guest_error = net_slirp_guest_error,
};
static int net_slirp_init(NetClientState *peer, const char *model,
@@ -50,7 +50,7 @@ struct requested_infos {
* the odata region, thus the caller must keep odata valid as long as it
* needs to access the requested_infos struct.
*/
-static int dhcpv6_parse_info_request(uint8_t *odata, int olen,
+static int dhcpv6_parse_info_request(Slirp *slirp, uint8_t *odata, int olen,
struct requested_infos *ri)
{
int i, req_opt;
@@ -61,7 +61,7 @@ static int dhcpv6_parse_info_request(uint8_t *odata, int olen,
int len = odata[2] << 8 | odata[3];
if (len + 4 > olen) {
- qemu_log_mask(LOG_GUEST_ERROR, "Guest sent bad DHCPv6 packet!\n");
+ slirp->cb->guest_error("Guest sent bad DHCPv6 packet!");
return -E2BIG;
}
@@ -121,7 +121,7 @@ static void dhcpv6_info_request(Slirp *slirp, struct sockaddr_in6 *srcsas,
struct mbuf *m;
uint8_t *resp;
- if (dhcpv6_parse_info_request(odata, olen, &ri) < 0) {
+ if (dhcpv6_parse_info_request(slirp, odata, olen, &ri) < 0) {
return;
}
@@ -342,8 +342,7 @@ static void ndp_input(struct mbuf *m, Slirp *slirp, struct ip6 *ip,
case ICMP6_NDP_RA:
DEBUG_CALL(" type = Router Advertisement");
- qemu_log_mask(LOG_GUEST_ERROR,
- "Warning: guest sent NDP RA, but shouldn't");
+ slirp->cb->guest_error("Warning: guest sent NDP RA, but shouldn't");
break;
case ICMP6_NDP_NS:
@@ -376,8 +375,8 @@ static void ndp_input(struct mbuf *m, Slirp *slirp, struct ip6 *ip,
case ICMP6_NDP_REDIRECT:
DEBUG_CALL(" type = Redirect");
- qemu_log_mask(LOG_GUEST_ERROR,
- "Warning: guest sent NDP REDIRECT, but shouldn't");
+ slirp->cb->guest_error(
+ "Warning: guest sent NDP REDIRECT, but shouldn't");
break;
}
}
@@ -13,6 +13,8 @@ typedef struct Slirp Slirp;
typedef struct SlirpCb {
/* Send an ethernet frame to the guest network. */
void (*output)(void *opaque, const uint8_t *pkt, int pkt_len);
+ /* Print a message for an error due to guest misbehavior. */
+ void (*guest_error)(const char *msg);
} SlirpCb;