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From: Olivier Matz <olivier.matz@6wind.com>
To: dev@dpdk.org
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Date: Tue, 4 Apr 2017 18:28:06 +0200
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Subject: [dpdk-dev] [PATCH v2 7/8] mbuf: move sequence number in second
cache line
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Move this field in the second cache line, since no driver use it
in Rx path. The freed space will be used by a timestamp in next
commit.
Signed-off-by: Olivier Matz <olivier.matz@6wind.com>
---
lib/librte_mbuf/rte_mbuf.h | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/lib/librte_mbuf/rte_mbuf.h b/lib/librte_mbuf/rte_mbuf.h
index 323a1ac16..349f0512e 100644
--- a/lib/librte_mbuf/rte_mbuf.h
+++ b/lib/librte_mbuf/rte_mbuf.h
@@ -477,8 +477,6 @@ struct rte_mbuf {
uint32_t usr; /**< User defined tags. See rte_distributor_process() */
} hash; /**< hash information */
- uint32_t seqn; /**< Sequence number. See also rte_reorder_insert() */
-
/** Outer VLAN TCI (CPU order), valid if PKT_RX_QINQ_STRIPPED is set. */
uint16_t vlan_tci_outer;
@@ -523,6 +521,10 @@ struct rte_mbuf {
/** Timesync flags for use with IEEE1588. */
uint16_t timesync;
+
+ /** Sequence number. See also rte_reorder_insert(). */
+ uint32_t seqn;
+
} __rte_cache_aligned;
/**
--
2.11.0