[dpdk-dev] [PATCH 1/1] ip_frag: fix creating ipv6 fragment extension header

[Piotr <piotrx.t.azarewicz@intel.com>]

From: Piotr Azarewicz <piotrx.t.azarewicz@intel.com>

Previous implementation won't work on every environment. The order of
allocation of bit-fields within a unit (high-order to low-order or
low-order to high-order) is implementation-defined.
Solution: used bytes instead of bit fields.

Signed-off-by: Piotr Azarewicz <piotrx.t.azarewicz@intel.com>
---
 lib/librte_ip_frag/rte_ipv6_fragmentation.c |    6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/lib/librte_ip_frag/rte_ipv6_fragmentation.c b/lib/librte_ip_frag/rte_ipv6_fragmentation.c
index 0e32aa8..7342421 100644
--- a/lib/librte_ip_frag/rte_ipv6_fragmentation.c
+++ b/lib/librte_ip_frag/rte_ipv6_fragmentation.c
@@ -65,10 +65,8 @@ __fill_ipv6hdr_frag(struct ipv6_hdr *dst,
 
 	fh = (struct ipv6_extension_fragment *) ++dst;
 	fh->next_header = src->proto;
-	fh->reserved1   = 0;
-	fh->frag_offset = rte_cpu_to_be_16(fofs);
-	fh->reserved2   = 0;
-	fh->more_frags  = rte_cpu_to_be_16(mf);
+	fh->reserved1 = 0;
+	fh->frag_data = rte_cpu_to_be_16((fofs & ~IPV6_HDR_FO_MASK) | mf);
 	fh->id = 0;
 }
 
-- 
1.7.9.5