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hci: reduced incoming prebuffer to 0 for LE-only, and outgoing to 0 if HAVE_HOST_CONTROLLER_API defined

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This commit is contained in:
Matthias Ringwald 2017-01-16 11:13:03 +01:00
parent d200c10271
commit c5bccd71ca
1 changed files with 10 additions and 4 deletions
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14
src/hci.h
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@ -108,14 +108,20 @@ extern "C" {
#endif
#endif
// additional pre- and post-packet buffer for packets to Bluetooth module
// - pre-buffer used for HCI Transport H4 variants
#define HCI_OUTGOING_PRE_BUFFER_SIZE 1
#define HCI_OUTGOING_POST_BUFFER_SIZE 0
// additional pre-buffer space for packets to Bluetooth module, for now, used for HCI Transport H4 DMA
#ifdef HAVE_HOST_CONTROLLER_API
#define HCI_OUTGOING_PRE_BUFFER_SIZE 0
#else
#define HCI_OUTGOING_PRE_BUFFER_SIZE 1
#endif
// BNEP may uncompress the IP Header by 16 bytes
#ifndef HCI_INCOMING_PRE_BUFFER_SIZE
#ifdef ENABLE_CLASSIC
#define HCI_INCOMING_PRE_BUFFER_SIZE (16 - HCI_ACL_HEADER_SIZE - 4)
#else
#define HCI_INCOMING_PRE_BUFFER_SIZE 0
#endif
#endif
//