diff --git a/src/core/ext/transport/chttp2/transport/chttp2_transport.c b/src/core/ext/transport/chttp2/transport/chttp2_transport.c index fb5ae575db78386c06d2745ffa6b5a8d83400ff3..fa18f5a725a5c77a32f6d05e232d48bd11f7f2ae 100644 --- a/src/core/ext/transport/chttp2/transport/chttp2_transport.c +++ b/src/core/ext/transport/chttp2/transport/chttp2_transport.c @@ -2046,14 +2046,15 @@ static void incoming_byte_stream_update_flow_control(grpc_exec_ctx *exec_ctx, (int64_t)have_already) { write_type = GRPC_CHTTP2_STREAM_WRITE_INITIATE_COVERED; } - if (s->incoming_window_delta - s->announce_window > - -(int64_t)initial_window_size / 2) { - write_type = GRPC_CHTTP2_STREAM_WRITE_PIGGYBACK; - } GRPC_CHTTP2_FLOW_CREDIT_STREAM("op", t, s, incoming_window_delta, add_max_recv_bytes); GRPC_CHTTP2_FLOW_CREDIT_STREAM("op", t, s, announce_window, add_max_recv_bytes); + if ((int64_t)s->incoming_window_delta + (int64_t)initial_window_size - + (int64_t)s->announce_window > + (int64_t)initial_window_size / 2) { + write_type = GRPC_CHTTP2_STREAM_WRITE_PIGGYBACK; + } grpc_chttp2_become_writable(exec_ctx, t, s, write_type, "read_incoming_stream"); } diff --git a/src/core/ext/transport/chttp2/transport/parsing.c b/src/core/ext/transport/chttp2/transport/parsing.c index a882a0bba1932f01503678aafe51141bc865d9c5..24bd93067b3bea3bfa0ee56166ab9a40a4fdf7d9 100644 --- a/src/core/ext/transport/chttp2/transport/parsing.c +++ b/src/core/ext/transport/chttp2/transport/parsing.c @@ -404,8 +404,12 @@ static grpc_error *update_incoming_window(grpc_exec_ctx *exec_ctx, GRPC_CHTTP2_FLOW_DEBIT_STREAM("parse", t, s, incoming_window_delta, incoming_frame_size); - if (s->incoming_window_delta - s->announce_window <= - -(int64_t)target_incoming_window / 2) { + if ((int64_t)t->settings[GRPC_SENT_SETTINGS] + [GRPC_CHTTP2_SETTINGS_INITIAL_WINDOW_SIZE] + + (int64_t)s->incoming_window_delta - (int64_t)s->announce_window <= + (int64_t)t->settings[GRPC_SENT_SETTINGS] + [GRPC_CHTTP2_SETTINGS_INITIAL_WINDOW_SIZE] / + 2) { grpc_chttp2_become_writable(exec_ctx, t, s, GRPC_CHTTP2_STREAM_WRITE_INITIATE_UNCOVERED, "window-update-required");