Port 1780ca316 "linux-gen: packet: implement free control functions"

Port original commit from linux-generic.

Signed-off-by: Matias Elo <matias.elo@nokia.com>
Reviewed-by: Tuomas Taipale <tuomas.taipale@nokia.com>

2 files changed, 24 insertions, 3 deletions

diff --git a/platform/linux-dpdk/include/odp/api/plat/packet_inline_types.h b/platform/linux-dpdk/include/odp/api/plat/packet_inline_types.h
index c6ede5d3a..5466ce58b 100644
--- a/platform/linux-dpdk/include/odp/api/plat/packet_inline_types.h
+++ b/platform/linux-dpdk/include/odp/api/plat/packet_inline_types.h
@@ -121,7 +121,7 @@ typedef union {
 	uint32_t all_flags;
 
 	struct {
-		uint32_t reserved1:      6;
+		uint32_t reserved1:      5;
 
 	/*
 	 * Init flags
@@ -140,6 +140,7 @@ typedef union {
 		uint32_t l4_chksum:      1; /* L4 chksum override */
 		uint32_t ts_set:         1; /* Set Tx timestamp */
 		uint32_t tx_compl:       1; /* Tx completion event requested */
+		uint32_t free_ctrl:      1; /* Don't free option */
 		uint32_t tx_aging:       1; /* Packet aging at Tx requested */
 		uint32_t shaper_len_adj: 8; /* Adjustment for traffic mgr */
 
@@ -157,8 +158,8 @@ typedef union {
 
 	/* Flag groups */
 	struct {
-		uint32_t reserved2:      6;
-		uint32_t other:         19; /* All other flags */
+		uint32_t reserved2:      5;
+		uint32_t other:         20; /* All other flags */
 		uint32_t error:          7; /* All error flags */
 	} all;
 
diff --git a/platform/linux-dpdk/odp_packet.c b/platform/linux-dpdk/odp_packet.c
index d802a4303..0a0b414fb 100644
--- a/platform/linux-dpdk/odp_packet.c
+++ b/platform/linux-dpdk/odp_packet.c
@@ -1809,6 +1809,26 @@ int odp_packet_tx_compl_done(odp_pktio_t pktio, uint32_t compl_id)
 	return -1;
 }
 
+void odp_packet_free_ctrl_set(odp_packet_t pkt, odp_packet_free_ctrl_t ctrl)
+{
+	odp_packet_hdr_t *pkt_hdr = packet_hdr(pkt);
+
+	if (ctrl == ODP_PACKET_FREE_CTRL_DONT_FREE)
+		pkt_hdr->p.flags.free_ctrl = 1;
+	else
+		pkt_hdr->p.flags.free_ctrl = 0;
+}
+
+odp_packet_free_ctrl_t odp_packet_free_ctrl(odp_packet_t pkt)
+{
+	odp_packet_hdr_t *pkt_hdr = packet_hdr(pkt);
+
+	if (pkt_hdr->p.flags.free_ctrl)
+		return ODP_PACKET_FREE_CTRL_DONT_FREE;
+
+	return ODP_PACKET_FREE_CTRL_DISABLED;
+}
+
 odp_packet_reass_status_t odp_packet_reass_status(odp_packet_t pkt)
 {
 	(void)pkt;