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icmp6: support rfc 4884

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Extend the rfc 4884 read interface introduced for ipv4 in
commit eba75c587e ("icmp: support rfc 4884") to ipv6.

Add socket option SOL_IPV6/IPV6_RECVERR_RFC4884.

Changes v1->v2:
  - make ipv6_icmp_error_rfc4884 static (file scope)

Signed-off-by: Willem de Bruijn <willemb@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Willem de Bruijn
2020-07-24 17:12:41 -07:00
committed by David S. Miller
parent 178c49d9f9
commit 01370434df
6 changed files with 32 additions and 0 deletions
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include/uapi/linux/icmpv6.h
+1
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@@ -68,6 +68,7 @@ struct icmp6hdr {
#define icmp6_mtu icmp6_dataun.un_data32[0]
#define icmp6_unused icmp6_dataun.un_data32[0]
#define icmp6_maxdelay icmp6_dataun.un_data16[0]
#define icmp6_datagram_len icmp6_dataun.un_data8[0]
#define icmp6_router icmp6_dataun.u_nd_advt.router
#define icmp6_solicited icmp6_dataun.u_nd_advt.solicited
#define icmp6_override icmp6_dataun.u_nd_advt.override
include/uapi/linux/in6.h
+1
View File
@@ -179,6 +179,7 @@ struct in6_flowlabel_req {
#define IPV6_LEAVE_ANYCAST 28
#define IPV6_MULTICAST_ALL 29
#define IPV6_ROUTER_ALERT_ISOLATE 30
#define IPV6_RECVERR_RFC4884 31
/* IPV6_MTU_DISCOVER values */
#define IPV6_PMTUDISC_DONT 0