[v5,13/15] examples/rxtx_callbacks: switch timestamp to dynamic field
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Commit Message
The mbuf timestamp is moved to a dynamic field
in order to allow removal of the deprecated static field.
Signed-off-by: Thomas Monjalon <thomas@monjalon.net>
---
examples/rxtx_callbacks/main.c | 17 ++++++++++++++++-
1 file changed, 16 insertions(+), 1 deletion(-)
@@ -19,6 +19,15 @@
#define MBUF_CACHE_SIZE 250
#define BURST_SIZE 32
+static int hwts_dynfield_offset = -1;
+
+static inline rte_mbuf_timestamp_t *
+hwts_field(struct rte_mbuf *mbuf)
+{
+ return RTE_MBUF_DYNFIELD(mbuf,
+ hwts_dynfield_offset, rte_mbuf_timestamp_t *);
+}
+
typedef uint64_t tsc_t;
static int tsc_dynfield_offset = -1;
@@ -77,7 +86,7 @@ calc_latency(uint16_t port, uint16_t qidx __rte_unused,
for (i = 0; i < nb_pkts; i++) {
cycles += now - *tsc_field(pkts[i]);
if (hw_timestamping)
- queue_ticks += ticks - pkts[i]->timestamp;
+ queue_ticks += ticks - *hwts_field(pkts[i]);
}
latency_numbers.total_cycles += cycles;
@@ -141,6 +150,12 @@ port_init(uint16_t port, struct rte_mempool *mbuf_pool)
return -1;
}
port_conf.rxmode.offloads |= DEV_RX_OFFLOAD_TIMESTAMP;
+ hwts_dynfield_offset = rte_mbuf_dynfield_lookup(
+ RTE_MBUF_DYNFIELD_TIMESTAMP_NAME, NULL);
+ if (hwts_dynfield_offset < 0) {
+ printf("ERROR: Failed to lookup timestamp field\n");
+ return -rte_errno;
+ }
}
retval = rte_eth_dev_configure(port, rx_rings, tx_rings, &port_conf);