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ipv4: add option for multicast_loopback

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no effect, multicast is disabled anyway.

Change-Id: Ic7ca0d169dae5eb7cd34a658908eed5d0d149d08
Reviewed-on: https://review.haiku-os.org/c/haiku/+/3417
Reviewed-by: Rene Gollent <rene@gollent.com>
This commit is contained in:
Jérôme Duval 2020-11-25 16:04:54 +01:00 committed by Adrien Destugues
parent ff21b4c370
commit 6b1c3825c5
1 changed files with 15 additions and 0 deletions
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15
src/add-ons/kernel/network/protocols/ipv4/ipv4.cpp
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@ -177,6 +177,7 @@ struct ipv4_protocol : net_protocol {
uint8 service_type;
uint8 time_to_live;
uint8 multicast_time_to_live;
bool multicast_loopback;
uint32 flags;
struct sockaddr* multicast_address; // for IP_MULTICAST_IF
@ -190,6 +191,7 @@ struct ipv4_protocol : net_protocol {
static const int kDefaultTTL = 254;
static const int kDefaultMulticastTTL = 1;
static const bool kDefaultMulticastLoopback = true;
extern net_protocol_module_info gIPv4Module;
@ -1062,6 +1064,7 @@ ipv4_init_protocol(net_socket* socket)
protocol->service_type = 0;
protocol->time_to_live = kDefaultTTL;
protocol->multicast_time_to_live = kDefaultMulticastTTL;
protocol->multicast_loopback = kDefaultMulticastLoopback;
protocol->flags = 0;
protocol->multicast_address = NULL;
return protocol;
@ -1185,6 +1188,10 @@ ipv4_getsockopt(net_protocol* _protocol, int level, int option, void* value,
return get_char_int_option(value, *_length,
protocol->multicast_time_to_live);
}
if (option == IP_MULTICAST_LOOP) {
return get_char_int_option(value, *_length,
protocol->multicast_loopback ? 1 : 0);
}
if (option == IP_ADD_MEMBERSHIP
|| option == IP_DROP_MEMBERSHIP
|| option == IP_BLOCK_SOURCE
@ -1293,6 +1300,14 @@ ipv4_setsockopt(net_protocol* _protocol, int level, int option,
return set_char_int_option(protocol->multicast_time_to_live, value,
length);
}
if (option == IP_MULTICAST_LOOP) {
uint8 multicast_loopback;
status_t status = set_char_int_option(multicast_loopback, value,
length);
if (status == B_OK)
protocol->multicast_loopback = multicast_loopback != 0;
return status;
}
if (option == IP_ADD_MEMBERSHIP || option == IP_DROP_MEMBERSHIP) {
ip_mreq mreq;
if (length != sizeof(ip_mreq))