qcacmn: cdp: Convergence of cdp_flowctl_ops

Currently the cdp apis are given pdev/vdev/peer
handle as its arguments, which is directly
accessed in those APIs. This can cause a
race-condition in access of the respective
handles if it has been deleted in parallel.

Hence as a part of cdp convergence, pass only
the pdev/vdev id or peer mac address, which will be
used to get the respective handles, and hence
avoiding the unwanted access of the handles if
it has been deleted.

Converged flowctl_ops
- flow_pool_map_handler
- flow_pool_unmap_handler
- dump_flow_pool_info
- tx_desc_thresh_reached

CRs-Fixed: 2539812
Change-Id: I084d3878df84778622340e87bddf90acd3e669d6
This commit is contained in:
Rakesh Pillai
2019-06-28 19:11:23 +05:30
committed by nshrivas
vanhempi c4ffad74c3
commit dce01374cd
6 muutettua tiedostoa jossa 67 lisäystä ja 47 poistoa

Näytä tiedosto

@@ -23,7 +23,6 @@
#include "dp_tx.h"
#include "dp_internal.h"
/**
* 21 bits cookie
* 2 bits pool id 0 ~ 3,
@@ -97,9 +96,9 @@ void dp_tx_flow_control_deinit(struct dp_soc *);
QDF_STATUS dp_txrx_register_pause_cb(struct cdp_soc_t *soc,
tx_pause_callback pause_cb);
QDF_STATUS dp_tx_flow_pool_map(struct cdp_soc_t *soc, struct cdp_pdev *pdev,
uint8_t vdev_id);
void dp_tx_flow_pool_unmap(struct cdp_soc_t *soc, struct cdp_pdev *pdev,
QDF_STATUS dp_tx_flow_pool_map(struct cdp_soc_t *soc, uint8_t pdev_id,
uint8_t vdev_id);
void dp_tx_flow_pool_unmap(struct cdp_soc_t *handle, uint8_t pdev_id,
uint8_t vdev_id);
void dp_tx_clear_flow_pool_stats(struct dp_soc *soc);
struct dp_tx_desc_pool_s *dp_tx_create_flow_pool(struct dp_soc *soc,
@@ -489,15 +488,17 @@ out:
#endif /* QCA_AC_BASED_FLOW_CONTROL */
static inline bool
dp_tx_desc_thresh_reached(struct cdp_vdev *vdev)
dp_tx_desc_thresh_reached(struct cdp_soc_t *soc_hdl, uint8_t vdev_id)
{
struct dp_vdev *dp_vdev = (struct dp_vdev *)vdev;
struct dp_soc *soc = cdp_soc_t_to_dp_soc(soc_hdl);
struct dp_vdev *vdev = dp_get_vdev_from_soc_vdev_id_wifi3(soc,
vdev_id);
struct dp_tx_desc_pool_s *pool;
if (!vdev)
return false;
pool = dp_vdev->pool;
pool = vdev->pool;
return dp_tx_is_threshold_reached(pool, pool->avail_desc);
}