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Merge "qcacmn: Fix race condition that Tx is paused by flow control forever"

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Linux Build Service Account 2017-08-24 08:11:08 -07:00 • committed by Gerrit - the friendly Code Review server
commit 8b300c08c1
4 changed files with 25 additions and 3 deletions
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9
dp/inc/cdp_txrx_cmn_struct.h
View file

@ -311,6 +311,15 @@ typedef qdf_nbuf_t (*ol_txrx_tx_fp)(void *data_vdev,
typedef void (*ol_txrx_tx_flow_control_fp)(void *osif_dev,
bool tx_resume);
/**
* ol_txrx_tx_flow_control_is_pause_fp - is tx paused by flow control
* function from txrx to OS shim
* @osif_dev - the virtual device's OS shim object
*
* Return: true if tx is paused by flow control
*/
typedef bool (*ol_txrx_tx_flow_control_is_pause_fp)(void *osif_dev);
/**
* ol_txrx_rx_fp - receive function to hand batches of data
* frames from txrx to OS shim

7
dp/inc/cdp_txrx_flow_ctrl_legacy.h
View file

@ -40,6 +40,7 @@
* @vdev_id - virtual interface id to register flow control
* @flowControl - callback function pointer
* @osif_fc_ctx - client context pointer
* @flow_control_is_pause: is vdev paused by flow control
*
* Register flow control callback function pointer and client context pointer
*
@ -47,7 +48,8 @@
*/
static inline int
cdp_fc_register(ol_txrx_soc_handle soc, uint8_t vdev_id,
ol_txrx_tx_flow_control_fp flowControl, void *osif_fc_ctx)
ol_txrx_tx_flow_control_fp flowControl, void *osif_fc_ctx,
ol_txrx_tx_flow_control_is_pause_fp flow_control_is_pause)
{
if (!soc || !soc->ops || !soc->ops->l_flowctl_ops) {
QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_FATAL,
@ -57,7 +59,8 @@ cdp_fc_register(ol_txrx_soc_handle soc, uint8_t vdev_id,
if (soc->ops->l_flowctl_ops->register_tx_flow_control)
return soc->ops->l_flowctl_ops->register_tx_flow_control(
vdev_id, flowControl, osif_fc_ctx);
vdev_id, flowControl, osif_fc_ctx,
flow_control_is_pause);
return 0;
}

9
dp/inc/cdp_txrx_mob_def.h
View file

@ -393,6 +393,15 @@ typedef void (*ol_txrx_vdev_peer_remove_cb)(void *handle, uint8_t *bssid,
*/
typedef void (*ol_txrx_tx_flow_control_fp)(void *osif_dev, bool tx_resume);
/**
* ol_txrx_tx_flow_control_is_pause_fp - is tx paused by flow control
* function from txrx to OS shim
* @osif_dev - the virtual device's OS shim object
*
* Return: true if tx is paused by flow control
*/
typedef bool (*ol_txrx_tx_flow_control_is_pause_fp)(void *osif_dev);
/**
* ol_txrx_tx_flow_control_fp - tx flow control notification
* function from txrx to OS shim

3
dp/inc/cdp_txrx_ops.h
View file

@ -748,7 +748,8 @@ struct cdp_flowctl_ops {
*/
struct cdp_lflowctl_ops {
int (*register_tx_flow_control)(uint8_t vdev_id,
ol_txrx_tx_flow_control_fp flowControl, void *osif_fc_ctx);
ol_txrx_tx_flow_control_fp flowControl, void *osif_fc_ctx,
ol_txrx_tx_flow_control_is_pause_fp flow_control_is_pause);
int (*deregister_tx_flow_control_cb)(uint8_t vdev_id);
void (*flow_control_cb)(struct cdp_vdev *vdev, bool tx_resume);
bool (*get_tx_resource)(uint8_t sta_id,