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qcacld-3.0: Increase default tx_queue_len for WLAN netdevice

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qcacld-2.0 to qcacld-3.0 propagation

An increase in tx_queue_len of netdev to 3000 is giving us better TCP
TX performance. Hence, increasing its value from its default (1000).
This gives us about 30 - 40 Mbps of boost.

Change-Id: I68f26ac0f4a040b0bbf10dd571dae8e5316f16b3
CRs-Fixed: 927673
This commit is contained in:
Mohit Khanna 2015-11-10 11:32:49 -08:00 • committed by Prakash Dhavali
commit ee9e80f8d4
3 changed files with 6 additions and 0 deletions
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4
core/hdd/inc/wlan_hdd_main.h
View file

@ -75,6 +75,10 @@
#else
#define NUM_TX_QUEUES 4
#endif
/** Length of the TX queue for the netdev */
#define HDD_NETDEV_TX_QUEUE_LEN (3000)
/** Bytes to reserve in the headroom */
#define LIBRA_HW_NEEDED_HEADROOM 128
/** Hdd Tx Time out value */

1
core/hdd/src/wlan_hdd_hostapd.c
View file

@ -5935,6 +5935,7 @@ hdd_adapter_t *hdd_wlan_create_ap_dev(hdd_context_t *pHddCtx,
pWlanHostapdDev->watchdog_timeo = HDD_TX_TIMEOUT;
pWlanHostapdDev->mtu = HDD_DEFAULT_MTU;
pWlanHostapdDev->tx_queue_len = HDD_NETDEV_TX_QUEUE_LEN;
cdf_mem_copy(pWlanHostapdDev->dev_addr, (void *)macAddr,
sizeof(tSirMacAddr));

1
core/hdd/src/wlan_hdd_main.c
View file

@ -1812,6 +1812,7 @@ static hdd_adapter_t *hdd_alloc_station_adapter(hdd_context_t *hdd_ctx,
pWlanDev->destructor = free_netdev;
pWlanDev->ieee80211_ptr = &adapter->wdev;
pWlanDev->tx_queue_len = HDD_NETDEV_TX_QUEUE_LEN;
adapter->wdev.wiphy = hdd_ctx->wiphy;
adapter->wdev.netdev = pWlanDev;
/* set pWlanDev's parent to underlying device */