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From: luca.boccassi@gmail.com
To: Thomas Monjalon <thomas@monjalon.net>
Cc: Olivier Matz <olivier.matz@6wind.com>,
dpdk stable <stable@dpdk.org>
Date: Mon, 30 Apr 2018 15:41:20 +0100
Message-Id: <20180430144223.18657-65-luca.boccassi@gmail.com>
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<20180430144223.18657-1-luca.boccassi@gmail.com>
Subject: [dpdk-stable] patch 'mbuf: improve tunnel Tx offloads API doc' has
been queued to stable release 18.02.2
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Hi,
FYI, your patch has been queued to stable release 18.02.2
Note it hasn't been pushed to http://dpdk.org/browse/dpdk-stable yet.
It will be pushed if I get no objections before 05/02/18. So please
shout if anyone has objections.
Thanks.
Luca Boccassi
---
>>From c781568f3727aef981c2cc27ac1b1f8b3e9f3e4e Mon Sep 17 00:00:00 2001
From: Thomas Monjalon <thomas@monjalon.net>
Date: Fri, 20 Apr 2018 01:53:10 +0200
Subject: [PATCH] mbuf: improve tunnel Tx offloads API doc
[ upstream commit ab66fe0e4a1ca058c4e23efd475e48788c0977e7 ]
Add few details to remind TSO flag, checksum flags and header lengths.
The doxygen syntax for MPLS-in-UDP is fixed.
Fixes: d95188551fa1 ("mbuf: introduce new Tx offload flag for MPLS-in-UDP")
Signed-off-by: Thomas Monjalon <thomas@monjalon.net>
Acked-by: Olivier Matz <olivier.matz@6wind.com>
---
lib/librte_mbuf/rte_mbuf.h | 9 ++++++---
1 file changed, 6 insertions(+), 3 deletions(-)
diff --git a/lib/librte_mbuf/rte_mbuf.h b/lib/librte_mbuf/rte_mbuf.h
index 9c319aeff..54a917ba8 100644
--- a/lib/librte_mbuf/rte_mbuf.h
+++ b/lib/librte_mbuf/rte_mbuf.h
@@ -201,14 +201,17 @@ extern "C" {
/**
* 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.
+ * The tunnel type must be specified for TSO or checksum on the inner part
+ * of tunnel packets.
+ * These flags can be used with PKT_TX_TCP_SEG for TSO, or PKT_TX_xxx_CKSUM.
+ * The mbuf fields for inner and outer header lengths are required:
+ * outer_l2_len, outer_l3_len, l2_len, l3_len, l4_len and tso_segsz for TSO.
*/
#define PKT_TX_TUNNEL_VXLAN (0x1ULL << 45)
#define PKT_TX_TUNNEL_GRE (0x2ULL << 45)
#define PKT_TX_TUNNEL_IPIP (0x3ULL << 45)
#define PKT_TX_TUNNEL_GENEVE (0x4ULL << 45)
-/**< TX packet with MPLS-in-UDP RFC 7510 header. */
+/** TX packet with MPLS-in-UDP RFC 7510 header. */
#define PKT_TX_TUNNEL_MPLSINUDP (0x5ULL << 45)
/* add new TX TUNNEL type here */
#define PKT_TX_TUNNEL_MASK (0xFULL << 45)
--
2.14.2