mbuf: move sequence number in second cache line

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>

diff --git a/lib/librte_mbuf/rte_mbuf.h b/lib/librte_mbuf/rte_mbuf.h
index 323a1ac..349f051 100644 (file)
--- 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;
 
 /**