[PATCH 1/4] ethdev: add SCTP Rx checksum offload support

[Jerin Jacob <jerin.jacob@caviumnetworks.com>]

Signed-off-by: Jerin Jacob <jerin.jacob@caviumnetworks.com>
---
 app/test-pmd/config.c          | 9 +++++++++
 doc/guides/nics/features.rst   | 4 ++--
 lib/librte_ethdev/rte_ethdev.c | 1 +
 lib/librte_ethdev/rte_ethdev.h | 1 +
 4 files changed, 13 insertions(+), 2 deletions(-)

diff --git a/app/test-pmd/config.c b/app/test-pmd/config.c
index 14ccd6864..c4ed8d474 100644
--- a/app/test-pmd/config.c
+++ b/app/test-pmd/config.c
@@ -576,6 +576,15 @@ port_offload_cap_display(portid_t port_id)
 			printf("off\n");
 	}
 
+	if (dev_info.rx_offload_capa & DEV_RX_OFFLOAD_SCTP_CKSUM) {
+		printf("RX SCTP checksum:               ");
+		if (ports[port_id].dev_conf.rxmode.offloads &
+		    DEV_RX_OFFLOAD_SCTP_CKSUM)
+			printf("on\n");
+		else
+			printf("off\n");
+	}
+
 	if (dev_info.rx_offload_capa & DEV_RX_OFFLOAD_OUTER_IPV4_CKSUM) {
 		printf("RX Outer IPv4 checksum:               ");
 		if (ports[port_id].dev_conf.rxmode.offloads &
diff --git a/doc/guides/nics/features.rst b/doc/guides/nics/features.rst
index cddc877d4..a98356a16 100644
--- a/doc/guides/nics/features.rst
+++ b/doc/guides/nics/features.rst
@@ -575,7 +575,7 @@ L4 checksum offload
 
 Supports L4 checksum offload.
 
-* **[uses]     rte_eth_rxconf,rte_eth_rxmode**: ``offloads:DEV_RX_OFFLOAD_UDP_CKSUM,DEV_RX_OFFLOAD_TCP_CKSUM``.
+* **[uses]     rte_eth_rxconf,rte_eth_rxmode**: ``offloads:DEV_RX_OFFLOAD_UDP_CKSUM,DEV_RX_OFFLOAD_TCP_CKSUM,DEV_RX_OFFLOAD_SCTP_CKSUM``.
 * **[uses]     rte_eth_txconf,rte_eth_txmode**: ``offloads:DEV_TX_OFFLOAD_UDP_CKSUM,DEV_TX_OFFLOAD_TCP_CKSUM,DEV_TX_OFFLOAD_SCTP_CKSUM``.
 * **[uses]     mbuf**: ``mbuf.ol_flags:PKT_TX_IPV4`` | ``PKT_TX_IPV6``,
   ``mbuf.ol_flags:PKT_TX_L4_NO_CKSUM`` | ``PKT_TX_TCP_CKSUM`` |
@@ -583,7 +583,7 @@ Supports L4 checksum offload.
 * **[provides] mbuf**: ``mbuf.ol_flags:PKT_RX_L4_CKSUM_UNKNOWN`` |
   ``PKT_RX_L4_CKSUM_BAD`` | ``PKT_RX_L4_CKSUM_GOOD`` |
   ``PKT_RX_L4_CKSUM_NONE``.
-* **[provides] rte_eth_dev_info**: ``rx_offload_capa,rx_queue_offload_capa:DEV_RX_OFFLOAD_UDP_CKSUM,DEV_RX_OFFLOAD_TCP_CKSUM``,
+* **[provides] rte_eth_dev_info**: ``rx_offload_capa,rx_queue_offload_capa:DEV_RX_OFFLOAD_UDP_CKSUM,DEV_RX_OFFLOAD_TCP_CKSUM,DEV_RX_OFFLOAD_SCTP_CKSUM``,
   ``tx_offload_capa,tx_queue_offload_capa:DEV_TX_OFFLOAD_UDP_CKSUM,DEV_TX_OFFLOAD_TCP_CKSUM,DEV_TX_OFFLOAD_SCTP_CKSUM``.
 
 .. _nic_features_hw_timestamp:
diff --git a/lib/librte_ethdev/rte_ethdev.c b/lib/librte_ethdev/rte_ethdev.c
index 4c3202505..d91870e90 100644
--- a/lib/librte_ethdev/rte_ethdev.c
+++ b/lib/librte_ethdev/rte_ethdev.c
@@ -127,6 +127,7 @@ static const struct {
 	RTE_RX_OFFLOAD_BIT2STR(TIMESTAMP),
 	RTE_RX_OFFLOAD_BIT2STR(SECURITY),
 	RTE_RX_OFFLOAD_BIT2STR(KEEP_CRC),
+	RTE_RX_OFFLOAD_BIT2STR(SCTP_CKSUM),
 };
 
 #undef RTE_RX_OFFLOAD_BIT2STR
diff --git a/lib/librte_ethdev/rte_ethdev.h b/lib/librte_ethdev/rte_ethdev.h
index 7070e9ab4..adbe936a4 100644
--- a/lib/librte_ethdev/rte_ethdev.h
+++ b/lib/librte_ethdev/rte_ethdev.h
@@ -900,6 +900,7 @@ struct rte_eth_conf {
  * No DEV_RX_OFFLOAD_CRC_STRIP flag means keep CRC
  */
 #define DEV_RX_OFFLOAD_KEEP_CRC		0x00010000
+#define DEV_RX_OFFLOAD_SCTP_CKSUM	0x00020000
 #define DEV_RX_OFFLOAD_CHECKSUM (DEV_RX_OFFLOAD_IPV4_CKSUM | \
 				 DEV_RX_OFFLOAD_UDP_CKSUM | \
 				 DEV_RX_OFFLOAD_TCP_CKSUM)
-- 
2.19.0