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linux <-> linux l2cap socket works now

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kidfromjupiter
2026-02-04 14:28:08 +00:00
parent beec7387d4
commit 2731ec427a
4 changed files with 70 additions and 132 deletions
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internal/platform/implementation/linux/ble_v2_medium.cc
+14
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@@ -551,6 +551,9 @@ std::unique_ptr<api::ble_v2::BleL2capSocket> BleV2Medium::ConnectOverL2cap(
return nullptr;
}
// Set receive MTU before connect (for LE CoC)
struct sockaddr_l2 addr;
std::memset(&addr, 0, sizeof(addr));
addr.l2_family = AF_BLUETOOTH;
@@ -561,6 +564,17 @@ std::unique_ptr<api::ble_v2::BleL2capSocket> BleV2Medium::ConnectOverL2cap(
addr.l2_bdaddr_type = BDADDR_LE_PUBLIC;
}
if (bind(fd, (struct sockaddr *) &addr, sizeof(addr)) < 0) {
LOG(INFO) << "Failed to bind L2CAP socket";
}
struct l2cap_options opts;
opts.omtu = 0;
opts.imtu = 672;
if (setsockopt(fd, SOL_BLUETOOTH, BT_RCVMTU, &opts.imtu, sizeof(opts.imtu)) < 0) {
LOG(WARNING) << __func__ << ": Failed to set BT_RCVMTU: "
<< std::strerror(errno);
}
std::string mac_addr = device->GetMacAddress();
if (str2ba(mac_addr.c_str(), &addr.l2_bdaddr) < 0) {
LOG(ERROR) << __func__ << ": Invalid Bluetooth address: " << mac_addr;