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Commit 3fcce573 authored by TreeHugger Robot's avatar TreeHugger Robot Committed by Automerger Merge Worker
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Merge changes Ia2ae5322,I09cfefbc into tm-dev am: 406be8f9 

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/modules/Bluetooth/+/18166573



Change-Id: Ie5fc608b5c5a7078566e98844b8fe537c6fcd934
Signed-off-by: default avatarAutomerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
parents 6df58ef4 406be8f9

system/stack/l2cap/l2c_link.cc

+12 −72
Original line number Diff line number Diff line
@@ -1053,45 +1053,15 @@ void l2c_OnHciModeChangeSendPendingPackets(RawAddress remote) { 
 *

 ******************************************************************************/

static void l2c_link_send_to_lower_br_edr(tL2C_LCB* p_lcb, BT_HDR* p_buf) {

  const uint16_t acl_data_size_classic =

      controller_get_interface()->get_acl_data_size_classic();

  const uint16_t link_xmit_quota = p_lcb->link_xmit_quota;

  const bool is_bdr_and_fits_in_buffer = true;



  if (is_bdr_and_fits_in_buffer) {

  if (link_xmit_quota == 0) {

    l2cb.round_robin_unacked++;

  }

  p_lcb->sent_not_acked++;

  p_buf->layer_specific = 0;

  l2cb.controller_xmit_window--;

  } else {

    uint16_t num_segs =

        (p_buf->len - HCI_DATA_PREAMBLE_SIZE + acl_data_size_classic - 1) /

        acl_data_size_classic;



    /* If doing round-robin, then only 1 segment each time */

    if (p_lcb->link_xmit_quota == 0) {

      num_segs = 1;

      p_lcb->partial_segment_being_sent = true;

    } else {

      /* Multi-segment packet. Make sure it can fit */

      if (num_segs > l2cb.controller_xmit_window) {

        num_segs = l2cb.controller_xmit_window;

        p_lcb->partial_segment_being_sent = true;

      }



      if (num_segs > (p_lcb->link_xmit_quota - p_lcb->sent_not_acked)) {

        num_segs = (p_lcb->link_xmit_quota - p_lcb->sent_not_acked);

        p_lcb->partial_segment_being_sent = true;

      }

    }



    p_lcb->sent_not_acked += num_segs;

    p_buf->layer_specific = num_segs;

    l2cb.controller_xmit_window -= num_segs;

    if (p_lcb->link_xmit_quota == 0) l2cb.round_robin_unacked += num_segs;

  }

  acl_send_data_packet_br_edr(p_lcb->remote_bd_addr, p_buf);

  LOG_DEBUG("TotalWin=%d,Hndl=0x%x,Quota=%d,Unack=%d,RRQuota=%d,RRUnack=%d",

            l2cb.controller_xmit_window, p_lcb->Handle(),
@@ -1100,45 +1070,15 @@ static void l2c_link_send_to_lower_br_edr(tL2C_LCB* p_lcb, BT_HDR* p_buf) { 
}



static void l2c_link_send_to_lower_ble(tL2C_LCB* p_lcb, BT_HDR* p_buf) {

  const uint16_t acl_data_size_ble =

      controller_get_interface()->get_acl_data_size_ble();

  const uint16_t link_xmit_quota = p_lcb->link_xmit_quota;

  const bool is_ble_and_fits_in_buffer = true;



  if (is_ble_and_fits_in_buffer) {

  if (link_xmit_quota == 0) {

    l2cb.ble_round_robin_unacked++;

  }

  p_lcb->sent_not_acked++;

  p_buf->layer_specific = 0;

  l2cb.controller_le_xmit_window--;

  } else {

    uint16_t num_segs =

        (p_buf->len - HCI_DATA_PREAMBLE_SIZE + acl_data_size_ble - 1) /

        acl_data_size_ble;



    /* If doing round-robin, then only 1 segment each time */

    if (p_lcb->link_xmit_quota == 0) {

      num_segs = 1;

      p_lcb->partial_segment_being_sent = true;

    } else {

      /* Multi-segment packet. Make sure it can fit */

      if (num_segs > l2cb.controller_le_xmit_window) {

        num_segs = l2cb.controller_le_xmit_window;

        p_lcb->partial_segment_being_sent = true;

      }



      if (num_segs > (p_lcb->link_xmit_quota - p_lcb->sent_not_acked)) {

        num_segs = (p_lcb->link_xmit_quota - p_lcb->sent_not_acked);

        p_lcb->partial_segment_being_sent = true;

      }

    }



    p_lcb->sent_not_acked += num_segs;

    p_buf->layer_specific = num_segs;

    l2cb.controller_le_xmit_window -= num_segs;

    if (p_lcb->link_xmit_quota == 0) l2cb.ble_round_robin_unacked += num_segs;

  }

  acl_send_data_packet_ble(p_lcb->remote_bd_addr, p_buf);

  LOG_DEBUG("TotalWin=%d,Hndl=0x%x,Quota=%d,Unack=%d,RRQuota=%d,RRUnack=%d",

            l2cb.controller_le_xmit_window, p_lcb->Handle(),