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qcacmn: Handle allocation of descriptors to special packets

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Special frames like EAPOL should not be dropped as it would cause
failure in connection. To prevent the dropping of higher priority
special frames, reserve a set of descriptors from the tx descriptor
pool.

Check the regular soc or pdev limit for the allocating tx descriptors
for the regular packets and use the reserved set of descriptors
only for the special packets.

CRs-Fixed: 3331359
Change-Id: I15532fb5e325ba6ad997090008bda8c52707a05b
This commit is contained in:
Sreeramya Soratkal
2022-11-08 10:17:38 +05:30
committed by Madan Koyyalamudi
parent a2625b18ab
commit d148f093d2
5 changed files with 73 additions and 17 deletions
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3
dp/wifi3.0/dp_main.c
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@@ -15562,7 +15562,7 @@ void *dp_soc_init(struct dp_soc *soc, HTC_HANDLE htc_handle,
qdf_atomic_init(&soc->num_tx_exception);
soc->num_tx_allowed =
wlan_cfg_get_dp_soc_tx_device_limit(soc->wlan_cfg_ctx);
soc->num_reg_tx_allowed = soc->num_tx_allowed - MAX_TX_SPL_DESC;
if (soc->cdp_soc.ol_ops->get_dp_cfg_param) {
int ret = soc->cdp_soc.ol_ops->get_dp_cfg_param(soc->ctrl_psoc,
CDP_CFG_MAX_PEER_ID);
@@ -17170,6 +17170,7 @@ static QDF_STATUS dp_pdev_init(struct cdp_soc_t *txrx_soc,
qdf_event_create(&pdev->fw_obss_stats_event);
pdev->num_tx_allowed = wlan_cfg_get_num_tx_desc(soc->wlan_cfg_ctx);
pdev->num_reg_tx_allowed = pdev->num_tx_allowed - MAX_TX_SPL_DESC;
if (dp_rxdma_ring_setup(soc, pdev)) {
dp_init_err("%pK: RXDMA ring config failed", soc);