[RFC 7/8] mbuf: move sequence number in second cache line
From: Olivier Matz <hidden>
Date: 2017-01-24 15:22:44
Subsystem:
library code, the rest · Maintainers:
Andrew Morton, Linus Torvalds
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 <redacted> --- 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 de72314..39df3e1 100644
--- a/lib/librte_mbuf/rte_mbuf.h
+++ b/lib/librte_mbuf/rte_mbuf.h@@ -465,8 +465,6 @@ 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;
@@ -511,6 +509,10 @@ 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; /**
--
2.8.1