hdr_split: fix null slot frame addr (#685)

Signed-off-by: Frank Du <[email protected]>

Author: frankdjx

doc/experimental/header_split.md

@@ -6,8 +6,22 @@ Header split is a hardware-based feature for RX memory copy offload. It can leve
 
 ## 2. Build DPDK with header split patch
 
+Note: please checkout DPDK to v23.03 as it is verified. It has known raw flow issues with DPDK v23.08 and v23.11.
+
 ```bash
-git am patches/dpdk/23.07/hdr_split/0001-net-ice-support-hdr-split-mbuf-callback.patch
+cd dpdk
+# checkout v23.03 version
+git checkout v23.03
+git switch -c v23.03
+git am $imtl_source_code/patches/dpdk/23.03/*.patch
+git am $imtl_source_code/patches/dpdk/23.03/hdr_split/0001-net-ice-support-hdr-split-mbuf-callback.patch
+
+# build dpdk
+rm build -rf
+meson setup build
+ninja -C build
+sudo ninja install -C build
+cd ..
 ```
 
 ## 3. Update DDP package version with header split feature

lib/src/st2110/st_rx_video_session.c

@@ -2341,7 +2341,7 @@ static int rv_handle_hdr_split_pkt(struct st_rx_video_session_impl* s,
 
   /* find the target slot by tmstamp */
   bool exist_ts = false;
-  struct st_rx_video_slot_impl* slot = rv_slot_by_tmstamp(s, tmstamp, NULL, &exist_ts);
+  struct st_rx_video_slot_impl* slot = rv_slot_by_tmstamp(s, tmstamp, payload, &exist_ts);
   if (!slot || !slot->frame) {
     if (exist_ts) {
       s->stat_pkts_redundant_dropped++;