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qcacmn: Correct peer create-delete sequence

Browse source 
If peer with given MAC Address
already exists, just increment the refcnt
instead of allocating a new peer and deleting older
peer object. This avoids unnecessary memory fragmentation.

Change-Id: I76a3ffca4e907fccfdfd1b6857de721623f455d5
CRs-Fixed: 2209045
This commit is contained in:
Chaithanya Garrepalli 2018-03-14 17:45:21 +05:30 • committed by nshrivas
commit 0323f80221
3 changed files with 18 additions and 17 deletions
Download patch file Download diff file Expand all files Collapse all files

3
dp/wifi3.0/dp_internal.h
View file

@ -335,6 +335,9 @@ extern void dp_rx_discard(struct dp_vdev *vdev, struct dp_peer *peer,
unsigned tid, qdf_nbuf_t msdu_list);
extern void *dp_find_peer_by_addr(struct cdp_pdev *dev,
uint8_t *peer_mac_addr, uint8_t *peer_id);
extern struct dp_peer *dp_peer_find_hash_find(struct dp_soc *soc,
uint8_t *peer_mac_addr, int mac_addr_is_aligned, uint8_t vdev_id);
#ifndef CONFIG_WIN
QDF_STATUS dp_register_peer(struct cdp_pdev *pdev_handle,
struct ol_txrx_desc_type *sta_desc);

10
dp/wifi3.0/dp_main.c
View file

@ -3388,6 +3388,15 @@ static void *dp_peer_create_wifi3(struct cdp_vdev *vdev_handle,
pdev = vdev->pdev;
soc = pdev->soc;
peer = dp_peer_find_hash_find(pdev->soc, peer_mac_addr,
0, vdev->vdev_id);
if (peer) {
peer->delete_in_progress = false;
return (void *)peer;
}
#ifdef notyet
peer = (struct dp_peer *)qdf_mempool_alloc(soc->osdev,
soc->mempool_ol_ath_peer);
@ -4081,6 +4090,7 @@ static void dp_peer_delete_wifi3(void *peer_handle, uint32_t bitmap)
/* redirect the peer's rx delivery function to point to a
* discard func
*/
peer->rx_opt_proc = dp_rx_discard;
QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_INFO_HIGH,

22
dp/wifi3.0/dp_peer.c
View file

@ -682,13 +682,8 @@ uint8_t dp_peer_ast_get_next_hop(struct dp_soc *soc,
}
#endif
#if ATH_SUPPORT_WRAP
static struct dp_peer *dp_peer_find_hash_find(struct dp_soc *soc,
struct dp_peer *dp_peer_find_hash_find(struct dp_soc *soc,
uint8_t *peer_mac_addr, int mac_addr_is_aligned, uint8_t vdev_id)
#else
static struct dp_peer *dp_peer_find_hash_find(struct dp_soc *soc,
uint8_t *peer_mac_addr, int mac_addr_is_aligned)
#endif
{
union dp_align_mac_addr local_mac_addr_aligned, *mac_addr;
unsigned index;
@ -899,12 +894,8 @@ static inline struct dp_peer *dp_peer_find_add_id(struct dp_soc *soc,
QDF_ASSERT(peer_id <= wlan_cfg_max_peer_id(soc->wlan_cfg_ctx) + 1);
/* check if there's already a peer object with this MAC address */
#if ATH_SUPPORT_WRAP
peer = dp_peer_find_hash_find(soc, peer_mac_addr,
0 /* is aligned */, vdev_id);
#else
peer = dp_peer_find_hash_find(soc, peer_mac_addr, 0 /* is aligned */);
#endif
QDF_TRACE(QDF_MODULE_ID_TXRX, QDF_TRACE_LEVEL_ERROR,
"%s: peer %pK ID %d vid %d mac %02x:%02x:%02x:%02x:%02x:%02x\n",
__func__, peer, peer_id, vdev_id, peer_mac_addr[0],
@ -1081,12 +1072,8 @@ void *dp_find_peer_by_addr(struct cdp_pdev *dev, uint8_t *peer_mac_addr,
struct dp_pdev *pdev = (struct dp_pdev *)dev;
struct dp_peer *peer;
#if ATH_SUPPORT_WRAP
peer = dp_peer_find_hash_find(pdev->soc, peer_mac_addr, 0, 0);
/* WAR, VDEV ID? TEMP 0 */
#else
peer = dp_peer_find_hash_find(pdev->soc, peer_mac_addr, 0);
#endif
if (!peer)
return NULL;
@ -1974,7 +1961,7 @@ void *dp_find_peer_by_addr_and_vdev(struct cdp_pdev *pdev_handle,
struct dp_peer *peer;
DP_TRACE(INFO, "vdev %pK peer_addr %pK", vdev, peer_addr);
peer = dp_peer_find_hash_find(pdev->soc, peer_addr, 0);
peer = dp_peer_find_hash_find(pdev->soc, peer_addr, 0, 0);
DP_TRACE(INFO, "peer %pK vdev %pK", peer, vdev);
if (!peer)
@ -2045,7 +2032,7 @@ QDF_STATUS dp_peer_state_update(struct cdp_pdev *pdev_handle, uint8_t *peer_mac,
struct dp_peer *peer;
struct dp_pdev *pdev = (struct dp_pdev *)pdev_handle;
peer = dp_peer_find_hash_find(pdev->soc, peer_mac, 0);
peer = dp_peer_find_hash_find(pdev->soc, peer_mac, 0, 0);
if (NULL == peer) {
QDF_TRACE(QDF_MODULE_ID_TXRX, QDF_TRACE_LEVEL_ERROR,
"Failed to find peer for: [%pM]", peer_mac);
@ -2368,3 +2355,4 @@ void dp_peer_rxtid_stats(struct dp_peer *peer, void (*dp_stats_cmd_cb),
}
}
}