[PATCHv2,06/11] linux-generic: packet: add initializations for new hdr fields

Message ID 20170312123045.3852-7-bill.fischofer@linaro.org
State New
Headers show
Series
  • Optimized Packet References
Related show

Commit Message

Bill Fischofer March 12, 2017, 12:30 p.m.
Add initializations for new packet hdr fields needed to support
packet references.

Signed-off-by: Bill Fischofer <bill.fischofer@linaro.org>

---
 platform/linux-generic/odp_packet.c | 9 +++++++++
 1 file changed, 9 insertions(+)

-- 
2.12.0.rc1

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diff --git a/platform/linux-generic/odp_packet.c b/platform/linux-generic/odp_packet.c
index 4bbb6199..16b482d3 100644
--- a/platform/linux-generic/odp_packet.c
+++ b/platform/linux-generic/odp_packet.c
@@ -255,6 +255,9 @@  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;
 }
 
 /**
@@ -300,6 +303,10 @@  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 init_segments(odp_packet_hdr_t *pkt_hdr[], int num)
@@ -312,6 +319,7 @@  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) {
@@ -321,6 +329,7 @@  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;