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Commit 5a9a6799 authored by Andre Eisenbach's avatar Andre Eisenbach Committed by Matthew Xie
Browse files

LE: Fix shared ACL buffer allocation 

Allocate a static amount of LE buffers for chipsets that do not provide
separate ACL buffers for LE and BR/EDR.

Bug: 8714387
Change-Id: I74e954c0824ddfd89b50c14f6848db787f9b9bff
parent bac74d76

system/include/bt_target.h

+6 −0
Original line number Original line Diff line number Diff line
@@ -550,6 +550,12 @@ 
#define L2CAP_FCR_RX_POOL_ID        HCI_ACL_POOL_ID

#define L2CAP_FCR_RX_POOL_ID        HCI_ACL_POOL_ID

#endif

#endif





/* Number of ACL buffers to assign to LE

   if the HCI buffer pool is shared with BR/EDR */

#ifndef L2C_DEF_NUM_BLE_BUF_SHARED

#define L2C_DEF_NUM_BLE_BUF_SHARED      1

#endif



/* Used by BTM when it sends HCI commands to the controller. */

/* Used by BTM when it sends HCI commands to the controller. */

#ifndef BTM_CMD_POOL_ID

#ifndef BTM_CMD_POOL_ID

#define BTM_CMD_POOL_ID             GKI_POOL_ID_2

#define BTM_CMD_POOL_ID             GKI_POOL_ID_2

system/stack/l2cap/l2c_ble.c

+5 −1
Original line number Original line Diff line number Diff line
@@ -623,7 +623,11 @@ BOOLEAN l2cble_create_conn (tL2C_LCB *p_lcb) 
void l2c_link_processs_ble_num_bufs (UINT16 num_lm_ble_bufs)

void l2c_link_processs_ble_num_bufs (UINT16 num_lm_ble_bufs)

{

{

    if (num_lm_ble_bufs == 0)

    if (num_lm_ble_bufs == 0)

        num_lm_ble_bufs = l2cb.num_lm_acl_bufs;

    {

        num_lm_ble_bufs = L2C_DEF_NUM_BLE_BUF_SHARED;

        l2cb.num_lm_acl_bufs -= L2C_DEF_NUM_BLE_BUF_SHARED;

    }



    l2cb.num_lm_ble_bufs = l2cb.controller_le_xmit_window = num_lm_ble_bufs;

    l2cb.num_lm_ble_bufs = l2cb.controller_le_xmit_window = num_lm_ble_bufs;

}

}