[dpdk-dev] [RFC 2/3] ethdev: support SFT APIs

[Andrey Vesnovaty]

ethdev updated to support SFT lookup offload
to ethernet device.

Signed-off-by: Andrey Vesnovaty <andreyv at nvidia.com>
---
 lib/librte_ethdev/rte_ethdev.c      |  7 +++++++
 lib/librte_ethdev/rte_ethdev.h      | 16 ++++++++++++++++
 lib/librte_ethdev/rte_ethdev_core.h |  1 +
 3 files changed, 24 insertions(+)

diff --git a/lib/librte_ethdev/rte_ethdev.c b/lib/librte_ethdev/rte_ethdev.c
index 7858ad5f11..fcdcfcce6d 100644
--- a/lib/librte_ethdev/rte_ethdev.c
+++ b/lib/librte_ethdev/rte_ethdev.c
@@ -752,6 +752,13 @@ rte_eth_dev_get_sec_ctx(uint16_t port_id)
 	return rte_eth_devices[port_id].security_ctx;
 }
 
+void *
+rte_eth_dev_get_sft_ctx(uint16_t port_id)
+{
+	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, NULL);
+	return rte_eth_devices[port_id].sft_ctx;
+}
+
 uint16_t
 rte_eth_dev_count_avail(void)
 {
diff --git a/lib/librte_ethdev/rte_ethdev.h b/lib/librte_ethdev/rte_ethdev.h
index 70295d7ab7..83a71a8532 100644
--- a/lib/librte_ethdev/rte_ethdev.h
+++ b/lib/librte_ethdev/rte_ethdev.h
@@ -1228,6 +1228,7 @@ struct rte_eth_conf {
 #define DEV_RX_OFFLOAD_SCTP_CKSUM	0x00020000
 #define DEV_RX_OFFLOAD_OUTER_UDP_CKSUM  0x00040000
 #define DEV_RX_OFFLOAD_RSS_HASH		0x00080000
+#define DEV_RX_OFFLOAD_SFT		0x00100000
 
 #define DEV_RX_OFFLOAD_CHECKSUM (DEV_RX_OFFLOAD_IPV4_CKSUM | \
 				 DEV_RX_OFFLOAD_UDP_CKSUM | \
@@ -4388,6 +4389,21 @@ rte_eth_dev_pool_ops_supported(uint16_t port_id, const char *pool);
 void *
 rte_eth_dev_get_sec_ctx(uint16_t port_id);
 
+/**
+ * @warning
+ * @b EXPERIMENTAL: this API may change, or be removed, without prior notice
+ *
+ * Get the SFT context for the Ethernet device.
+ *
+ * @param port_id
+ *   Port identifier of the Ethernet device
+ * @return
+ *   - NULL on error.
+ *   - pointer to SFT context on success.
+ */
+void *
+rte_eth_dev_get_sft_ctx(uint16_t port_id);
+
 /**
  * @warning
  * @b EXPERIMENTAL: this API may change, or be removed, without prior notice
diff --git a/lib/librte_ethdev/rte_ethdev_core.h b/lib/librte_ethdev/rte_ethdev_core.h
index 32407dd418..4ff458bfe0 100644
--- a/lib/librte_ethdev/rte_ethdev_core.h
+++ b/lib/librte_ethdev/rte_ethdev_core.h
@@ -806,6 +806,7 @@ struct rte_eth_dev {
 	struct rte_eth_rxtx_callback *pre_tx_burst_cbs[RTE_MAX_QUEUES_PER_PORT];
 	enum rte_eth_dev_state state; /**< Flag indicating the port state */
 	void *security_ctx; /**< Context for security ops */
+	void *sft_ctx; /**< Context for SFT ops */
 
 	uint64_t reserved_64s[4]; /**< Reserved for future fields */
 	void *reserved_ptrs[4];   /**< Reserved for future fields */
-- 
2.26.2