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

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

dp/wifi3.0/dp_internal.h

@@ -2084,4 +2084,12 @@ void dp_set_max_page_size(struct qdf_mem_multi_page_t *pages,
 }
 #endif /* MAX_ALLOC_PAGE_SIZE */
 
+/**
+ * dp_rx_skip_tlvs() - Skip TLVs len + L2 hdr_offset, save in nbuf->cb
+ * @nbuf: nbuf cb to be updated
+ * @l2_hdr_offset: l2_hdr_offset
+ *
+ * Return: None
+ */
+void dp_rx_skip_tlvs(qdf_nbuf_t nbuf, uint32_t l3_padding);
 #endif /* #ifndef _DP_INTERNAL_H_ */