diff options
Diffstat (limited to '')
| -rw-r--r-- | third_party/libwebrtc/net/dcsctp/socket/dcsctp_socket.cc | 25 |
1 files changed, 18 insertions, 7 deletions
diff --git a/third_party/libwebrtc/net/dcsctp/socket/dcsctp_socket.cc b/third_party/libwebrtc/net/dcsctp/socket/dcsctp_socket.cc index 98cd34a111..0667e6f899 100644 --- a/third_party/libwebrtc/net/dcsctp/socket/dcsctp_socket.cc +++ b/third_party/libwebrtc/net/dcsctp/socket/dcsctp_socket.cc @@ -22,7 +22,6 @@ #include "absl/strings/string_view.h" #include "absl/types/optional.h" #include "api/array_view.h" -#include "api/task_queue/task_queue_base.h" #include "net/dcsctp/packet/chunk/abort_chunk.h" #include "net/dcsctp/packet/chunk/chunk.h" #include "net/dcsctp/packet/chunk/cookie_ack_chunk.h" @@ -120,8 +119,12 @@ Capabilities ComputeCapabilities(const DcSctpOptions& options, capabilities.reconfig = true; } - if (options.enable_zero_checksum && - parameters.get<ZeroChecksumAcceptableChunkParameter>().has_value()) { + if (options.zero_checksum_alternate_error_detection_method != + ZeroChecksumAlternateErrorDetectionMethod::None() && + parameters.get<ZeroChecksumAcceptableChunkParameter>().has_value() && + parameters.get<ZeroChecksumAcceptableChunkParameter>() + ->error_detection_method() == + options.zero_checksum_alternate_error_detection_method) { capabilities.zero_checksum = true; } @@ -134,6 +137,7 @@ Capabilities ComputeCapabilities(const DcSctpOptions& options, } void AddCapabilityParameters(const DcSctpOptions& options, + bool support_zero_checksum, Parameters::Builder& builder) { std::vector<uint8_t> chunk_types = {ReConfigChunk::kType}; @@ -145,8 +149,11 @@ void AddCapabilityParameters(const DcSctpOptions& options, chunk_types.push_back(IDataChunk::kType); chunk_types.push_back(IForwardTsnChunk::kType); } - if (options.enable_zero_checksum) { - builder.Add(ZeroChecksumAcceptableChunkParameter()); + if (support_zero_checksum) { + RTC_DCHECK(options.zero_checksum_alternate_error_detection_method != + ZeroChecksumAlternateErrorDetectionMethod::None()); + builder.Add(ZeroChecksumAcceptableChunkParameter( + options.zero_checksum_alternate_error_detection_method)); } builder.Add(SupportedExtensionsParameter(std::move(chunk_types))); } @@ -282,7 +289,11 @@ void DcSctpSocket::SetState(State state, absl::string_view reason) { void DcSctpSocket::SendInit() { Parameters::Builder params_builder; - AddCapabilityParameters(options_, params_builder); + AddCapabilityParameters( + options_, /*support_zero_checksum=*/ + options_.zero_checksum_alternate_error_detection_method != + ZeroChecksumAlternateErrorDetectionMethod::None(), + params_builder); InitChunk init(/*initiate_tag=*/connect_params_.verification_tag, /*a_rwnd=*/options_.max_receiver_window_buffer_size, options_.announced_maximum_outgoing_streams, @@ -1227,7 +1238,7 @@ void DcSctpSocket::HandleInit(const CommonHeader& header, chunk->initial_tsn(), my_initial_tsn, chunk->a_rwnd(), tie_tag, capabilities) .Serialize())); - AddCapabilityParameters(options_, params_builder); + AddCapabilityParameters(options_, capabilities.zero_checksum, params_builder); InitAckChunk init_ack(/*initiate_tag=*/my_verification_tag, options_.max_receiver_window_buffer_size, |