[PATCH v2 1/3] net/iavf: support Tx LLDP on scalar
Zhichao Zeng
zhichaox.zeng at intel.com
Thu Dec 14 07:58:55 CET 2023
This patch adds an mbuf dynflag IAVF_TX_LLDP_DYNFLAG to determine
whether or not to fill the SWTCH_UPLINK bit in the Tx context descriptor
to send LLDP packet.
Signed-off-by: Zhichao Zeng <zhichaox.zeng at intel.com>
---
drivers/net/iavf/iavf_rxtx.c | 5 +++++
drivers/net/iavf/rte_pmd_iavf.h | 2 ++
2 files changed, 7 insertions(+)
diff --git a/drivers/net/iavf/iavf_rxtx.c b/drivers/net/iavf/iavf_rxtx.c
index f19aa14646..c986fa944a 100644
--- a/drivers/net/iavf/iavf_rxtx.c
+++ b/drivers/net/iavf/iavf_rxtx.c
@@ -2427,6 +2427,8 @@ iavf_calc_context_desc(uint64_t flags, uint8_t vlan_flag)
if (flags & RTE_MBUF_F_TX_VLAN &&
vlan_flag & IAVF_TX_FLAGS_VLAN_TAG_LOC_L2TAG2)
return 1;
+ if (rte_mbuf_dynflag_lookup(IAVF_TX_LLDP_DYNFLAG, NULL) > 0)
+ return 1;
return 0;
}
@@ -2445,6 +2447,9 @@ iavf_fill_ctx_desc_cmd_field(volatile uint64_t *field, struct rte_mbuf *m,
cmd |= IAVF_TX_CTX_DESC_IL2TAG2
<< IAVF_TXD_CTX_QW1_CMD_SHIFT;
}
+ if (rte_mbuf_dynflag_lookup(IAVF_TX_LLDP_DYNFLAG, NULL) > 0)
+ cmd |= IAVF_TX_CTX_DESC_SWTCH_UPLINK
+ << IAVF_TXD_CTX_QW1_CMD_SHIFT;
*field |= cmd;
}
diff --git a/drivers/net/iavf/rte_pmd_iavf.h b/drivers/net/iavf/rte_pmd_iavf.h
index 56d453fc4c..2c442b6a05 100644
--- a/drivers/net/iavf/rte_pmd_iavf.h
+++ b/drivers/net/iavf/rte_pmd_iavf.h
@@ -23,6 +23,8 @@
extern "C" {
#endif
+#define IAVF_TX_LLDP_DYNFLAG "intel_pmd_dynflag_tx_lldp"
+
/**
* The supported network flexible descriptor's extraction metadata format.
*/
--
2.34.1
More information about the dev
mailing list