Introduced DEV_RX_OFFLOAD_OUTER_UDP_CKSUM, DEV_RX_OFFLOAD_OUTER_TCP_CKSUM
and DEV_RX_OFFLOAD_OUTER_SCTP_CKSUM offload flags and
PKT_RX_EL4_CKSUM_BAD mbuf ol_flags to enable outer Rx L4 checksum
offload.
# To use hardware Rx outer L4 checksum offload, the user needs to
configure DEV_RX_OFFLOAD_OUTER_* offload flags in slowpath.
# Driver updates the PKT_RX_EL4_CKSUM_BAD mbuf ol_flag on checksum failure
similar to the outer L3 PKT_RX_EIP_CKSUM_BAD flag.
Signed-off-by: Jerin Jacob <jerin.ja...@caviumnetworks.com>
---
app/test-pmd/config.c | 27 +++++++++++++++++++++++++++
doc/guides/nics/features.rst | 3 +++
lib/librte_ethdev/rte_ethdev.c | 3 +++
lib/librte_ethdev/rte_ethdev.h | 9 +++++++++
lib/librte_mbuf/rte_mbuf.c | 2 ++
lib/librte_mbuf/rte_mbuf.h | 3 +++
6 files changed, 47 insertions(+)
diff --git a/app/test-pmd/config.c b/app/test-pmd/config.c
index c4ed8d474..92a177e29 100644
--- a/app/test-pmd/config.c
+++ b/app/test-pmd/config.c
@@ -594,6 +594,33 @@ port_offload_cap_display(portid_t port_id)
printf("off\n");
}
+ if (dev_info.rx_offload_capa & DEV_RX_OFFLOAD_OUTER_UDP_CKSUM) {
+ printf("RX Outer UDP checksum: ");
+ if (ports[port_id].dev_conf.rxmode.offloads &
+ DEV_RX_OFFLOAD_OUTER_UDP_CKSUM)
+ printf("on\n");
+ else
+ printf("off\n");
+ }
+
+ if (dev_info.rx_offload_capa & DEV_RX_OFFLOAD_OUTER_TCP_CKSUM) {
+ printf("RX Outer TCP checksum: ");
+ if (ports[port_id].dev_conf.rxmode.offloads &
+ DEV_RX_OFFLOAD_OUTER_TCP_CKSUM)
+ printf("on\n");
+ else
+ printf("off\n");
+ }
+
+ if (dev_info.rx_offload_capa & DEV_RX_OFFLOAD_OUTER_SCTP_CKSUM) {
+ printf("RX Outer SCTP checksum: ");
+ if (ports[port_id].dev_conf.rxmode.offloads &
+ DEV_RX_OFFLOAD_OUTER_SCTP_CKSUM)
+ printf("on\n");
+ else
+ printf("off\n");
+ }
+
if (dev_info.rx_offload_capa & DEV_RX_OFFLOAD_TCP_LRO) {
printf("Large receive offload: ");
if (ports[port_id].dev_conf.rxmode.offloads &
diff --git a/doc/guides/nics/features.rst b/doc/guides/nics/features.rst
index a98356a16..68420d196 100644
--- a/doc/guides/nics/features.rst
+++ b/doc/guides/nics/features.rst
@@ -638,6 +638,9 @@ Inner L4 checksum
Supports inner packet L4 checksum.
+* **[uses] rte_eth_rxconf,rte_eth_rxmode**:
``offloads:DEV_RX_OFFLOAD_OUTER_UDP_CKSUM,DEV_RX_OFFLOAD_OUTER_TCP_CKSUM,DEV_RX_OFFLOAD_OUTER_SCTP_CKSUM``.
+* **[provides] mbuf**: ``mbuf.ol_flags:PKT_RX_EL4_CKSUM_BAD``.
+* **[provides] rte_eth_dev_info**:
``rx_offload_capa,rx_queue_offload_capa:DEV_RX_OFFLOAD_OUTER_UDP_CKSUM,DEV_RX_OFFLOAD_OUTER_TCP_CKSUM,DEV_RX_OFFLOAD_OUTER_SCTP_CKSUM``,
.. _nic_features_packet_type_parsing:
diff --git a/lib/librte_ethdev/rte_ethdev.c b/lib/librte_ethdev/rte_ethdev.c
index d91870e90..547132a8c 100644
--- a/lib/librte_ethdev/rte_ethdev.c
+++ b/lib/librte_ethdev/rte_ethdev.c
@@ -128,6 +128,9 @@ static const struct {
RTE_RX_OFFLOAD_BIT2STR(SECURITY),
RTE_RX_OFFLOAD_BIT2STR(KEEP_CRC),
RTE_RX_OFFLOAD_BIT2STR(SCTP_CKSUM),
+ RTE_RX_OFFLOAD_BIT2STR(OUTER_UDP_CKSUM),
+ RTE_RX_OFFLOAD_BIT2STR(OUTER_TCP_CKSUM),
+ RTE_RX_OFFLOAD_BIT2STR(OUTER_SCTP_CKSUM),
};
#undef RTE_RX_OFFLOAD_BIT2STR
diff --git a/lib/librte_ethdev/rte_ethdev.h b/lib/librte_ethdev/rte_ethdev.h
index adbe936a4..4665bd6f7 100644
--- a/lib/librte_ethdev/rte_ethdev.h
+++ b/lib/librte_ethdev/rte_ethdev.h
@@ -901,6 +901,10 @@ struct rte_eth_conf {
*/
#define DEV_RX_OFFLOAD_KEEP_CRC 0x00010000
#define DEV_RX_OFFLOAD_SCTP_CKSUM 0x00020000
+#define DEV_RX_OFFLOAD_OUTER_UDP_CKSUM 0x00040000
+#define DEV_RX_OFFLOAD_OUTER_TCP_CKSUM 0x00080000
+#define DEV_RX_OFFLOAD_OUTER_SCTP_CKSUM 0x00100000
+
#define DEV_RX_OFFLOAD_CHECKSUM (DEV_RX_OFFLOAD_IPV4_CKSUM | \
DEV_RX_OFFLOAD_UDP_CKSUM | \
DEV_RX_OFFLOAD_TCP_CKSUM)
@@ -908,6 +912,11 @@ struct rte_eth_conf {
DEV_RX_OFFLOAD_VLAN_FILTER | \
DEV_RX_OFFLOAD_VLAN_EXTEND)
+#define DEV_RX_OFFLOAD_OUTER_CHECKSUM (DEV_RX_OFFLOAD_OUTER_IPV4_CKSUM | \
+ DEV_RX_OFFLOAD_OUTER_UDP_CKSUM | \
+ DEV_RX_OFFLOAD_OUTER_TCP_CKSUM | \
+ DEV_RX_OFFLOAD_OUTER_SCTP_CKSUM)
+
/*
* If new Rx offload capabilities are defined, they also must be
* mentioned in rte_rx_offload_names in rte_ethdev.c file.
diff --git a/lib/librte_mbuf/rte_mbuf.c b/lib/librte_mbuf/rte_mbuf.c
index e714c5a59..022e92b3c 100644
--- a/lib/librte_mbuf/rte_mbuf.c
+++ b/lib/librte_mbuf/rte_mbuf.c
@@ -301,6 +301,7 @@ const char *rte_get_rx_ol_flag_name(uint64_t mask)
case PKT_RX_TIMESTAMP: return "PKT_RX_TIMESTAMP";
case PKT_RX_SEC_OFFLOAD: return "PKT_RX_SEC_OFFLOAD";
case PKT_RX_SEC_OFFLOAD_FAILED: return "PKT_RX_SEC_OFFLOAD_FAILED";
+ case PKT_RX_EL4_CKSUM_BAD: return "PKT_RX_EL4_CKSUM_BAD";
default: return NULL;
}
}
@@ -339,6 +340,7 @@ rte_get_rx_ol_flag_list(uint64_t mask, char *buf, size_t
buflen)
{ PKT_RX_SEC_OFFLOAD, PKT_RX_SEC_OFFLOAD, NULL },
{ PKT_RX_SEC_OFFLOAD_FAILED, PKT_RX_SEC_OFFLOAD_FAILED, NULL },
{ PKT_RX_QINQ, PKT_RX_QINQ, NULL },
+ { PKT_RX_EL4_CKSUM_BAD, PKT_RX_EL4_CKSUM_BAD, NULL },
};
const char *name;
unsigned int i;
diff --git a/lib/librte_mbuf/rte_mbuf.h b/lib/librte_mbuf/rte_mbuf.h
index 6a5dbbc8f..80989483b 100644
--- a/lib/librte_mbuf/rte_mbuf.h
+++ b/lib/librte_mbuf/rte_mbuf.h
@@ -177,6 +177,9 @@ extern "C" {
*/
#define PKT_RX_QINQ (1ULL << 20)
+/**< External/Outer Layer4 header checksum error. */
+#define PKT_RX_EL4_CKSUM_BAD (1ULL << 21)
+
/* add new RX flags here */
/* add new TX flags here */
--
2.19.0
