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From: Thomas Monjalon <thomas@monjalon.net>
To: dev@dpdk.org
Cc: ferruh.yigit@intel.com, david.marchand@redhat.com,
bruce.richardson@intel.com, olivier.matz@6wind.com,
andrew.rybchenko@oktetlabs.ru, jerinj@marvell.com, viacheslavo@nvidia.com,
Ray Kinsella <mdr@ashroe.eu>, Neil Horman <nhorman@tuxdriver.com>
Date: Tue, 3 Nov 2020 15:09:30 +0100
Message-Id: <20201103140931.488700-16-thomas@monjalon.net>
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<20201103140931.488700-1-thomas@monjalon.net>
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Subject: [dpdk-dev] [PATCH v5 15/16] mbuf: add Tx timestamp registration
helper
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The function rte_mbuf_dyn_tx_timestamp_register()
can be used to register the required field and flag.
Signed-off-by: Thomas Monjalon <thomas@monjalon.net>
Acked-by: David Marchand <david.marchand@redhat.com>
Acked-by: Andrew Rybchenko <andrew.rybchenko@oktetlabs.ru>
---
lib/librte_mbuf/rte_mbuf_dyn.c | 7 +++++++
lib/librte_mbuf/rte_mbuf_dyn.h | 22 ++++++++++++++++++++++
lib/librte_mbuf/version.map | 1 +
3 files changed, 30 insertions(+)
diff --git a/lib/librte_mbuf/rte_mbuf_dyn.c b/lib/librte_mbuf/rte_mbuf_dyn.c
index 4f50da09f3..101b5bd95f 100644
--- a/lib/librte_mbuf/rte_mbuf_dyn.c
+++ b/lib/librte_mbuf/rte_mbuf_dyn.c
@@ -613,3 +613,10 @@ rte_mbuf_dyn_rx_timestamp_register(int *field_offset, uint64_t *rx_flag)
return rte_mbuf_dyn_timestamp_register(field_offset, rx_flag,
"Rx", RTE_MBUF_DYNFLAG_RX_TIMESTAMP_NAME);
}
+
+int
+rte_mbuf_dyn_tx_timestamp_register(int *field_offset, uint64_t *tx_flag)
+{
+ return rte_mbuf_dyn_timestamp_register(field_offset, tx_flag,
+ "Tx", RTE_MBUF_DYNFLAG_TX_TIMESTAMP_NAME);
+}
diff --git a/lib/librte_mbuf/rte_mbuf_dyn.h b/lib/librte_mbuf/rte_mbuf_dyn.h
index 2e729ddaca..d88e7bacc5 100644
--- a/lib/librte_mbuf/rte_mbuf_dyn.h
+++ b/lib/librte_mbuf/rte_mbuf_dyn.h
@@ -304,4 +304,26 @@ int rte_mbuf_dyn_rx_timestamp_register(int *field_offset, uint64_t *rx_flag);
*/
#define RTE_MBUF_DYNFLAG_TX_TIMESTAMP_NAME "rte_dynflag_tx_timestamp"
+/**
+ * @warning
+ * @b EXPERIMENTAL: this API may change without prior notice.
+ *
+ * Register dynamic mbuf field and flag for Tx timestamp.
+ *
+ * @param field_offset
+ * Pointer to the offset of the registered mbuf field, can be NULL.
+ * The same field is shared for Rx and Tx timestamp.
+ * @param tx_flag
+ * Pointer to the mask of the registered offload flag, can be NULL.
+ * @return
+ * 0 on success, -1 otherwise.
+ * Possible values for rte_errno:
+ * - EEXIST: already registered with different parameters.
+ * - EPERM: called from a secondary process.
+ * - ENOENT: no more field or flag available.
+ * - ENOMEM: allocation failure.
+ */
+__rte_experimental
+int rte_mbuf_dyn_tx_timestamp_register(int *field_offset, uint64_t *tx_flag);
+
#endif
diff --git a/lib/librte_mbuf/version.map b/lib/librte_mbuf/version.map
index 0b66668bff..b7d98e7eb1 100644
--- a/lib/librte_mbuf/version.map
+++ b/lib/librte_mbuf/version.map
@@ -43,6 +43,7 @@ EXPERIMENTAL {
rte_mbuf_dynflag_register_bitnum;
rte_mbuf_dyn_dump;
rte_mbuf_dyn_rx_timestamp_register;
+ rte_mbuf_dyn_tx_timestamp_register;
rte_pktmbuf_copy;
rte_pktmbuf_free_bulk;
rte_pktmbuf_pool_create_extbuf;
--
2.28.0