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qcacmn: Reserve 128 bytes headroom in monitor status buffer

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Reserve 128 bytes headroom for monitor status buffer
to accomadate feature specific radiotap header or any other info
in the headroom.

CRs-Fixed: 2775118
Change-Id: I2b1aba26e565b58c48a2e24ad17965aacd6b4526
This commit is contained in:
Shivani Soni 2020-09-17 11:28:09 +05:30 • committed by snandini
commit f1392936e6
2 changed files with 6 additions and 4 deletions
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2
dp/wifi3.0/dp_rx_mon_status.c
View file

@ -1838,7 +1838,7 @@ dp_rx_nbuf_prepare(struct dp_soc *soc, struct dp_pdev *pdev)
nbuf_retry_count++) {
/* Allocate a new skb using alloc_skb */
nbuf = qdf_nbuf_alloc_no_recycler(RX_MON_STATUS_BUF_SIZE,
RX_BUFFER_RESERVATION,
RX_MON_STATUS_BUF_RESERVATION,
RX_DATA_BUFFER_ALIGNMENT);
if (!nbuf) {

8
hal/wifi3.0/hal_rx.h
View file

@ -40,13 +40,15 @@
#define RX_MONITOR_BUFFER_SIZE 2048
#endif
/* MONITOR STATUS BUFFER SIZE = 1536 data bytes, buffer allocation of 2k bytes
* including skb shared info and buffer alignment.
/* MONITOR STATUS BUFFER SIZE = 1408 data bytes, buffer allocation of 2k bytes
* including buffer reservation, buffer alignment and skb shared info size.
*/
#define RX_MON_STATUS_BASE_BUF_SIZE 2048
#define RX_MON_STATUS_BUF_ALIGN 128
#define RX_MON_STATUS_BUF_RESERVATION 128
#define RX_MON_STATUS_BUF_SIZE (RX_MON_STATUS_BASE_BUF_SIZE - \
RX_MON_STATUS_BUF_ALIGN - QDF_SHINFO_SIZE)
(RX_MON_STATUS_BUF_RESERVATION + \
RX_MON_STATUS_BUF_ALIGN + QDF_SHINFO_SIZE))
/* HAL_RX_NON_QOS_TID = NON_QOS_TID which is 16 */
#define HAL_RX_NON_QOS_TID 16