Signed-off-by: Karoly Kemeny <karoly.kemeny@xxxxxxxxx>
---
include/net/ipv6.h | 40 ++++++++++++++++++++++++++++------------
1 file changed, 28 insertions(+), 12 deletions(-)
diff --git a/include/net/ipv6.h b/include/net/ipv6.h
index a2db816..7798a97 100644
--- a/include/net/ipv6.h
+++ b/include/net/ipv6.h
@@ -100,8 +100,20 @@
#define IPV6_ADDR_MC_FLAG_RENDEZVOUS(a) \
((a)->s6_addr[1] & 0x40)
-/*
- * fragmentation header
+/**
+ * struct frag_hdr - fragmentation header
+ * @nexthdr - type of the next header
+ * @reserved - reserved field, init to zeroes on transmission,
+ * ignore on reception
+ * @frag_off - 13 MSB bit: offset relative to the start of the
+ * fragmented part of the packet.
+ * - 14-15 bit : reserved, as @reserved
+ * - LSB : indicates if it is the last fragment
+ * of the file. 0 = last fragment
+ * @identification - id of the fragmented packet,
+ * must be the same for all fragments of the same packet
+ *
+ * for more info see RFC-2460
*/
struct frag_hdr {
@@ -200,23 +212,27 @@ struct ip6_ra_chain {
extern struct ip6_ra_chain *ip6_ra_chain;
extern rwlock_t ip6_ra_lock;
-/*
- This structure is prepared by protocol, when parsing
- ancillary data and passed to IPv6.
+/**
+ * struct ipv6_txoption - This structure is prepared by protocol, when parsing
+ * ancillary data and passed to IPv6.
+ * @tot_len - length of this structure
+ * @opt_flen - length of extension header after fragment header
+ * @opt_nlen - length of extension header before fragment header
+ * @hopopt - pointer to the hop-by-hop header
+ * @dst0opt - pointer to the first destination header
+ * @srcrt - pointer to the routing header
+ * @dst1opt - pointer to the second destination header
+ *
*/
struct ipv6_txoptions {
- /* Length of this structure */
int tot_len;
-
- /* length of extension headers */
-
- __u16 opt_flen; /* after fragment hdr */
- __u16 opt_nflen; /* before fragment hdr */
+ __u16 opt_flen;
+ __u16 opt_nflen;
struct ipv6_opt_hdr *hopopt;
struct ipv6_opt_hdr *dst0opt;
- struct ipv6_rt_hdr *srcrt; /* Routing Header */
+ struct ipv6_rt_hdr *srcrt;
struct ipv6_opt_hdr *dst1opt;
/* Option buffer, as read by IPV6_PKTOPTIONS, starts here. */
--
1.9.1
--
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