From: Bill Fischofer <bill.fischo...@linaro.org>

Add initializations for new packet hdr fields needed to support
packet references.

Signed-off-by: Bill Fischofer <bill.fischo...@linaro.org>
---
/** Email created from pull request 82 (Bill-Fischofer-Linaro:pktrefs)
 ** https://github.com/Linaro/odp/pull/82
 ** Patch: https://github.com/Linaro/odp/pull/82.patch
 ** Base sha: 95ba4b394009d92c29c2e22f0776e90bb4c6edec
 ** Merge commit sha: 01d093d362af5a52e079c622a99ae3495f68b64c
 **/
 platform/linux-generic/include/odp_packet_internal.h | 4 ++++
 platform/linux-generic/odp_packet.c                  | 5 +++++
 2 files changed, 9 insertions(+)

diff --git a/platform/linux-generic/include/odp_packet_internal.h 
b/platform/linux-generic/include/odp_packet_internal.h
index 396d8cb5..e5887c9b 100644
--- a/platform/linux-generic/include/odp_packet_internal.h
+++ b/platform/linux-generic/include/odp_packet_internal.h
@@ -216,6 +216,10 @@ static inline void packet_init(odp_packet_hdr_t *pkt_hdr, 
uint32_t len)
                             CONFIG_PACKET_TAILROOM;
 
        pkt_hdr->input = ODP_PKTIO_INVALID;
+
+       /* By default packet has no references */
+       pkt_hdr->unshared_len = len;
+       pkt_hdr->ref_hdr = NULL;
 }
 
 static inline void copy_packet_parser_metadata(odp_packet_hdr_t *src_hdr,
diff --git a/platform/linux-generic/odp_packet.c 
b/platform/linux-generic/odp_packet.c
index 38879a7f..8806be8a 100644
--- a/platform/linux-generic/odp_packet.c
+++ b/platform/linux-generic/odp_packet.c
@@ -253,6 +253,9 @@ void packet_parse_reset(odp_packet_hdr_t *pkt_hdr)
        pkt_hdr->p.l2_offset        = 0;
        pkt_hdr->p.l3_offset        = ODP_PACKET_OFFSET_INVALID;
        pkt_hdr->p.l4_offset        = ODP_PACKET_OFFSET_INVALID;
+
+       /* Ensure dummy pkt hdrs used in I/O recv classification are valid */
+       pkt_hdr->ref_hdr = NULL;
 }
 
 static inline void init_segments(odp_packet_hdr_t *pkt_hdr[], int num)
@@ -265,6 +268,7 @@ static inline void init_segments(odp_packet_hdr_t 
*pkt_hdr[], int num)
 
        hdr->buf_hdr.seg[0].data = hdr->buf_hdr.base_data;
        hdr->buf_hdr.seg[0].len  = BASE_LEN;
+       packet_ref_count_set(hdr, 1);
 
        /* Link segments */
        if (CONFIG_PACKET_MAX_SEGS != 1) {
@@ -274,6 +278,7 @@ static inline void init_segments(odp_packet_hdr_t 
*pkt_hdr[], int num)
                        for (i = 1; i < num; i++) {
                                odp_buffer_hdr_t *buf_hdr;
 
+                               packet_ref_count_set(pkt_hdr[i], 1);
                                buf_hdr = &pkt_hdr[i]->buf_hdr;
                                hdr->buf_hdr.seg[i].hdr  = buf_hdr;
                                hdr->buf_hdr.seg[i].data = buf_hdr->base_data;

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