From: Jakub Grajciar <jgrajcia@cisco.com>
Date: Wed, 24 Jul 2019 12:49:04 +0000 (+0200)
Subject: libmemif: fix chained buffer flag
X-Git-Tag: v20.01-rc0~107
X-Git-Url: https://gerrit.fd.io/r/gitweb?a=commitdiff_plain;h=refs%2Fchanges%2F40%2F20840%2F2;p=vpp.git

libmemif: fix chained buffer flag

fixes issue: MEMIF_DESC_FLAG_NEXT persisted when enqueueing
stored buffers

Type: fix

Change-Id: I9e973ed6e0339612fe1dd3e3bd80ed7c05093791
Signed-off-by: Jakub Grajciar <jgrajcia@cisco.com>
---

diff --git a/extras/libmemif/src/main.c b/extras/libmemif/src/main.c
index f3d8f9a55ef..5f92f029a8a 100644
--- a/extras/libmemif/src/main.c
+++ b/extras/libmemif/src/main.c
@@ -1711,6 +1711,7 @@ memif_buffer_enq_tx (memif_conn_handle_t conn, uint16_t qid,
       ring->desc[slot & mask].offset =
 	(uint32_t) (b0->data -
 		    c->regions[ring->desc[slot & mask].region].addr);
+      ring->desc[slot & mask].flags &= ~MEMIF_DESC_FLAG_NEXT;
       ring->desc[slot & mask].flags |=
 	(b0->flags & MEMIF_BUFFER_FLAG_NEXT) ? MEMIF_DESC_FLAG_NEXT : 0;