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From: Tiwei Bie <tiwei.bie@intel.com>
To: dev@dpdk.org
Cc: adrien.mazarguil@6wind.com, wenzhuo.lu@intel.com, john.mcnamara@intel.com,
olivier.matz@6wind.com, thomas.monjalon@6wind.com,
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Date: Wed, 4 Jan 2017 15:21:35 +0800
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Subject: [dpdk-dev] [PATCH v5 1/8] mbuf: reserve a Tx offload flag for
PMD-specific API
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Reserve a Tx offload flag in mbuf, that can be used by PMD to define
its own Tx offload flag when implementing the PMD-specific API.
Suggested-by: Adrien Mazarguil <adrien.mazarguil@6wind.com>
Signed-off-by: Tiwei Bie <tiwei.bie@intel.com>
Acked-by: Wenzhuo Lu <wenzhuo.lu@intel.com>
---
lib/librte_mbuf/rte_mbuf.c | 2 ++
lib/librte_mbuf/rte_mbuf.h | 5 +++++
2 files changed, 7 insertions(+)
diff --git a/lib/librte_mbuf/rte_mbuf.c b/lib/librte_mbuf/rte_mbuf.c
index 63f43c8..15c4f68 100644
--- a/lib/librte_mbuf/rte_mbuf.c
+++ b/lib/librte_mbuf/rte_mbuf.c
@@ -404,6 +404,7 @@ const char *rte_get_tx_ol_flag_name(uint64_t mask)
case PKT_TX_TUNNEL_GRE: return "PKT_TX_TUNNEL_GRE";
case PKT_TX_TUNNEL_IPIP: return "PKT_TX_TUNNEL_IPIP";
case PKT_TX_TUNNEL_GENEVE: return "PKT_TX_TUNNEL_GENEVE";
+ case PKT_TX_RESERVED_0: return "PKT_TX_RESERVED_0";
default: return NULL;
}
}
@@ -434,6 +435,7 @@ rte_get_tx_ol_flag_list(uint64_t mask, char *buf, size_t buflen)
"PKT_TX_TUNNEL_NONE" },
{ PKT_TX_TUNNEL_GENEVE, PKT_TX_TUNNEL_MASK,
"PKT_TX_TUNNEL_NONE" },
+ { PKT_TX_RESERVED_0, PKT_TX_RESERVED_0, NULL },
};
const char *name;
unsigned int i;
diff --git a/lib/librte_mbuf/rte_mbuf.h b/lib/librte_mbuf/rte_mbuf.h
index ead7c6e..6168a6d 100644
--- a/lib/librte_mbuf/rte_mbuf.h
+++ b/lib/librte_mbuf/rte_mbuf.h
@@ -182,6 +182,11 @@ extern "C" {
/* add new TX flags here */
/**
+ * Reserved Tx offload flag for PMD-specific API.
+ */
+#define PKT_TX_RESERVED_0 (0x1ULL << 44)
+
+/**
* Bits 45:48 used for the tunnel type.
* When doing Tx offload like TSO or checksum, the HW needs to configure the
* tunnel type into the HW descriptors.
--
2.7.4