X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=lib%2Flibrte_ip_frag%2Frte_ipv6_fragmentation.c;h=62a7e4e830285c33ccb46cdf54900009dfe0b43d;hb=ae943ebe1ed3;hp=e00766225dce39a8af7a7290a9d98de11e6920db;hpb=ea672a8b1655bbb44876d2550ff56f384968a43b;p=dpdk.git

diff --git a/lib/librte_ip_frag/rte_ipv6_fragmentation.c b/lib/librte_ip_frag/rte_ipv6_fragmentation.c
index e00766225d..62a7e4e830 100644
--- a/lib/librte_ip_frag/rte_ipv6_fragmentation.c
+++ b/lib/librte_ip_frag/rte_ipv6_fragmentation.c
@@ -1,34 +1,5 @@
-/*-
- *   BSD LICENSE
- *
- *   Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
- *   All rights reserved.
- *
- *   Redistribution and use in source and binary forms, with or without
- *   modification, are permitted provided that the following conditions
- *   are met:
- *
- *     * Redistributions of source code must retain the above copyright
- *       notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above copyright
- *       notice, this list of conditions and the following disclaimer in
- *       the documentation and/or other materials provided with the
- *       distribution.
- *     * Neither the name of Intel Corporation nor the names of its
- *       contributors may be used to endorse or promote products derived
- *       from this software without specific prior written permission.
- *
- *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2010-2014 Intel Corporation
  */
 
 #include <stddef.h>
@@ -46,12 +17,6 @@
  *
  */
 
-/* Fragment Extension Header */
-#define	IPV6_HDR_MF_SHIFT			0
-#define	IPV6_HDR_FO_SHIFT			3
-#define	IPV6_HDR_MF_MASK			(1 << IPV6_HDR_MF_SHIFT)
-#define	IPV6_HDR_FO_MASK			((1 << IPV6_HDR_FO_SHIFT) - 1)
-
 static inline void
 __fill_ipv6hdr_frag(struct ipv6_hdr *dst,
 		const struct ipv6_hdr *src, uint16_t len, uint16_t fofs,
@@ -65,10 +30,8 @@ __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->reserved = 0;
+	fh->frag_data = rte_cpu_to_be_16(RTE_IPV6_SET_FRAG_DATA(fofs, mf));
 	fh->id = 0;
 }
 
@@ -118,14 +81,14 @@ rte_ipv6_fragment_packet(struct rte_mbuf *pkt_in,
 	frag_size = (uint16_t)(mtu_size - sizeof(struct ipv6_hdr));
 
 	/* Fragment size should be a multiple of 8. */
-	IP_FRAG_ASSERT((frag_size & IPV6_HDR_FO_MASK) == 0);
+	RTE_ASSERT((frag_size & ~RTE_IPV6_EHDR_FO_MASK) == 0);
 
 	/* Check that pkts_out is big enough to hold all fragments */
 	if (unlikely (frag_size * nb_pkts_out <
 	    (uint16_t)(pkt_in->pkt_len - sizeof (struct ipv6_hdr))))
-		return (-EINVAL);
+		return -EINVAL;
 
-	in_hdr = (struct ipv6_hdr *) pkt_in->data;
+	in_hdr = rte_pktmbuf_mtod(pkt_in, struct ipv6_hdr *);
 
 	in_seg = pkt_in;
 	in_seg_data_pos = sizeof(struct ipv6_hdr);
@@ -142,7 +105,7 @@ rte_ipv6_fragment_packet(struct rte_mbuf *pkt_in,
 		out_pkt = rte_pktmbuf_alloc(pool_direct);
 		if (unlikely(out_pkt == NULL)) {
 			__free_fragments(pkts_out, out_pkt_pos);
-			return (-ENOMEM);
+			return -ENOMEM;
 		}
 
 		/* Reserve space for the IP header that will be built later */
@@ -160,7 +123,7 @@ rte_ipv6_fragment_packet(struct rte_mbuf *pkt_in,
 			if (unlikely(out_seg == NULL)) {
 				rte_pktmbuf_free(out_pkt);
 				__free_fragments(pkts_out, out_pkt_pos);
-				return (-ENOMEM);
+				return -ENOMEM;
 			}
 			out_seg_prev->next = out_seg;
 			out_seg_prev = out_seg;
@@ -171,7 +134,7 @@ rte_ipv6_fragment_packet(struct rte_mbuf *pkt_in,
 			if (len > (in_seg->data_len - in_seg_data_pos)) {
 				len = in_seg->data_len - in_seg_data_pos;
 			}
-			out_seg->data = (char *) in_seg->data + (uint16_t) in_seg_data_pos;
+			out_seg->data_off = in_seg->data_off + in_seg_data_pos;
 			out_seg->data_len = (uint16_t)len;
 			out_pkt->pkt_len = (uint16_t)(len +
 			    out_pkt->pkt_len);
@@ -196,7 +159,7 @@ rte_ipv6_fragment_packet(struct rte_mbuf *pkt_in,
 
 		/* Build the IP header */
 
-		out_hdr = (struct ipv6_hdr *) out_pkt->data;
+		out_hdr = rte_pktmbuf_mtod(out_pkt, struct ipv6_hdr *);
 
 		__fill_ipv6hdr_frag(out_hdr, in_hdr,
 		    (uint16_t) out_pkt->pkt_len - sizeof(struct ipv6_hdr),
@@ -211,5 +174,5 @@ rte_ipv6_fragment_packet(struct rte_mbuf *pkt_in,
 		out_pkt_pos ++;
 	}
 
-	return (out_pkt_pos);
+	return out_pkt_pos;
 }