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ICMP6 RA: recognise PIO PD Preferred flag #1352

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ICMP6 RA: recognise PIO PD Preferred flag #1352

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547df5e
icmp6: fix comment for ND PIO Router Address
bonktree Aug 8, 2025
b93075e
icmp6: add RA PIO PD Preferred Flag
bonktree Aug 8, 2025
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4 changes: 3 additions & 1 deletion print-icmp6.c
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Original file line number Diff line number Diff line change
Expand Up @@ -298,7 +298,8 @@ struct nd_opt_prefix_info { /* prefix information */

#define ND_OPT_PI_FLAG_ONLINK 0x80
#define ND_OPT_PI_FLAG_AUTO 0x40
#define ND_OPT_PI_FLAG_ROUTER 0x20 /*2292bis*/
#define ND_OPT_PI_FLAG_ROUTER 0x20 /* IPv6 Mobility, RFC 6275 */
#define ND_OPT_PI_FLAG_DHCPPD 0x10 /* DHCPv6-PD Preferred, RFC 9762 */

struct nd_opt_rd_hdr { /* redirected header */
nd_uint8_t nd_opt_rh_type;
Expand Down Expand Up @@ -713,6 +714,7 @@ static const struct tok icmp6_opt_pi_flag_values[] = {
{ ND_OPT_PI_FLAG_ONLINK, "onlink" },
{ ND_OPT_PI_FLAG_AUTO, "auto" },
{ ND_OPT_PI_FLAG_ROUTER, "router" },
{ ND_OPT_PI_FLAG_DHCPPD, "pd preferred" },
{ 0, NULL }
};

Expand Down