From 75e691425fd906e360eb3632334f40bb0965c76a Mon Sep 17 00:00:00 2001
From: Yeshwanth Sriram Guntuka <ysriramg@codeaurora.org>
Date: Fri, 30 Apr 2021 14:54:03 +0530
Subject: [PATCH] qcacmn: Allocate memory for fisa pkt history separately

Fisa packet history is around 6KB for each sw fisa
flow entry and this is part of the dp_fisa_rx_sw_ft
structure. The total size of the SW FT as a result is
around 830KB and the higher order memory allocation via
kzalloc for this could fail in low/fragmented memory
scenarios.

Fix is to allocate memory for FISA pkt history separately
and attach it to the SW FT entry.

Change-Id: I7296d7269c1b86ec38ea1668e8a0893335bbdb6f
CRs-Fixed: 2936353
---
 dp/wifi3.0/dp_types.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/dp/wifi3.0/dp_types.h b/dp/wifi3.0/dp_types.h
index f6d9e15218a1..93a00543509f 100644
--- a/dp/wifi3.0/dp_types.h
+++ b/dp/wifi3.0/dp_types.h
@@ -3042,7 +3042,7 @@ struct dp_fisa_rx_sw_ft {
 	qdf_time_t flow_init_ts;
 	qdf_time_t last_accessed_ts;
 #ifdef WLAN_SUPPORT_RX_FISA_HIST
-	struct fisa_pkt_hist pkt_hist;
+	struct fisa_pkt_hist *pkt_hist;
 #endif
 };