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rp2040/rp2350: Support multicast TTL socket option #11174

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rp2040/rp2350: Support multicast TTL socket option #11174

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2cc3734
ports/raspberrypi/socketpool: Add multicast TTL support.
Daniiiil1 Aug 4, 2026
be0e817
ci: rerun flaky native test
Daniiiil1 Aug 4, 2026
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14 changes: 14 additions & 0 deletions ports/raspberrypi/common-hal/socketpool/Socket.c
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Original file line number Diff line number Diff line change
Expand Up @@ -1226,6 +1226,20 @@ int common_hal_socketpool_socket_setsockopt(socketpool_socket_obj_t *self, int l
bool enable = optlen == sizeof(&zero) && memcmp(value, &zero, optlen);

switch (level) {
case SOCKETPOOL_IPPROTO_IP:
switch (optname) {
case SOCKETPOOL_IP_MULTICAST_TTL:
if (self->type != SOCKETPOOL_SOCK_DGRAM) {
return -MP_EOPNOTSUPP;
}
if (self->pcb.udp == NULL || optlen < sizeof(uint8_t)) {
return -MP_EINVAL;
}
udp_set_multicast_ttl(self->pcb.udp, *(const uint8_t *)value);
return 0;
}
break;

case SOCKETPOOL_IPPROTO_TCP:
switch (optname) {
case SOCKETPOOL_TCP_NODELAY:
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