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qcacmn: Save Rx TLV offset info so as to recover in FISA

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Packets delivered to FISA via exception err path doesnot have TLVs.
FISA handling requires additional TLVs. dp rx core handling
skips TLVs, save TLV length info in nbuf->cb so that TLVs
are recovered back in FISA.

Change-Id: I53fab2e19abcbf82697ea6f53a4ddf3ea0dd0699
CRs-Fixed: 2620844
This commit is contained in:
Manjunathappa Prakash
2020-02-10 19:35:18 -08:00
committed by nshrivas
parent ff26d1c783
commit c4667b8b12
5 changed files with 26 additions and 21 deletions
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27
dp/wifi3.0/dp_rx.c
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@@ -1746,26 +1746,18 @@ uint32_t dp_rx_srng_get_num_pending(hal_soc_handle_t hal_soc,
}
#ifdef WLAN_SUPPORT_RX_FISA
/*
* dp_rx_skip_tlvs() - Skip TLVs only if FISA is not enabled
* @vdev: DP vdev context
* @nbuf: nbuf whose data pointer is adjusted
* @size: size to be adjusted
*
* Return: None
*/
static void dp_rx_skip_tlvs(struct dp_vdev *vdev, qdf_nbuf_t nbuf, int size)
void dp_rx_skip_tlvs(qdf_nbuf_t nbuf, uint32_t l3_padding)
{
/* TLVs include FISA info do not skip them yet */
if (!vdev->osif_fisa_rx)
qdf_nbuf_pull_head(nbuf, size);
QDF_NBUF_CB_RX_PACKET_L3_HDR_PAD(nbuf) = l3_padding;
qdf_nbuf_pull_head(nbuf, l3_padding + RX_PKT_TLVS_LEN);
}
#else /* !WLAN_SUPPORT_RX_FISA */
static void dp_rx_skip_tlvs(struct dp_vdev *vdev, qdf_nbuf_t nbuf, int size)
#else
void dp_rx_skip_tlvs(qdf_nbuf_t nbuf, uint32_t l3_padding)
{
qdf_nbuf_pull_head(nbuf, size);
qdf_nbuf_pull_head(nbuf, l3_padding + RX_PKT_TLVS_LEN);
}
#endif /* !WLAN_SUPPORT_RX_FISA */
#endif
/**
* dp_rx_process() - Brain of the Rx processing functionality
@@ -2213,8 +2205,7 @@ done:
RX_PKT_TLVS_LEN;
qdf_nbuf_set_pktlen(nbuf, pkt_len);
dp_rx_skip_tlvs(vdev, nbuf, RX_PKT_TLVS_LEN +
msdu_metadata.l3_hdr_pad);
dp_rx_skip_tlvs(nbuf, msdu_metadata.l3_hdr_pad);
}
/*