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Message-ID: <4AAEAEE7.4090507@hp.com>
Date: Mon, 14 Sep 2009 17:00:23 -0400
From: Brian Haley <brian.haley@...com>
To: Stephen Hemminger <shemminger@...tta.com>
CC: "netdev@...r.kernel.org" <netdev@...r.kernel.org>
Subject: [PATCH iproute2] ip: add support for IFA_F_DADFAILED
[I'm not sure if I needed to update if_addr.h, or if that will happen
automatically when you update the headers to 2.6.32]
Add support for IFA_F_DADFAILED and update ip.8 man page.
Signed-off-by: Brian Haley <brian.haley@...com>
---
diff --git a/include/linux/if_addr.h b/include/linux/if_addr.h
index 08ea980..41b0193 100644
--- a/include/linux/if_addr.h
+++ b/include/linux/if_addr.h
@@ -41,6 +41,7 @@ enum
#define IFA_F_NODAD 0x02
#define IFA_F_OPTIMISTIC 0x04
+#define IFA_F_DADFAILED 0x08
#define IFA_F_HOMEADDRESS 0x10
#define IFA_F_DEPRECATED 0x20
#define IFA_F_TENTATIVE 0x40
diff --git a/ip/ipaddress.c b/ip/ipaddress.c
index 267ecb3..32c9008 100644
--- a/ip/ipaddress.c
+++ b/ip/ipaddress.c
@@ -64,7 +64,7 @@ static void usage(void)
iplink_usage();
}
fprintf(stderr, "Usage: ip addr {add|change|replace} IFADDR dev STRING [ LIFETIME ]\n");
- fprintf(stderr, " [ CONFFLAG-LIST]\n");
+ fprintf(stderr, " [ CONFFLAG-LIST ]\n");
fprintf(stderr, " ip addr del IFADDR dev STRING\n");
fprintf(stderr, " ip addr {show|flush} [ dev STRING ] [ scope SCOPE-ID ]\n");
fprintf(stderr, " [ to PREFIX ] [ FLAG-LIST ] [ label PATTERN ]\n");
@@ -74,7 +74,8 @@ static void usage(void)
fprintf(stderr, "SCOPE-ID := [ host | link | global | NUMBER ]\n");
fprintf(stderr, "FLAG-LIST := [ FLAG-LIST ] FLAG\n");
fprintf(stderr, "FLAG := [ permanent | dynamic | secondary | primary |\n");
- fprintf(stderr, " tentative | deprecated | CONFFLAG-LIST ]\n");
+ fprintf(stderr, " tentative | deprecated | dadfailed |\n");
+ fprintf(stderr, " CONFFLAG-LIST ]\n");
fprintf(stderr, "CONFFLAG-LIST := [ CONFFLAG-LIST ] CONFFLAG\n");
fprintf(stderr, "CONFFLAG := [ home | nodad ]\n");
fprintf(stderr, "LIFETIME := [ valid_lft LFT ] [ preferred_lft LFT ]\n");
@@ -508,6 +509,10 @@ int print_addrinfo(const struct sockaddr_nl *who, struct nlmsghdr *n,
fprintf(fp, "dynamic ");
} else
ifa->ifa_flags &= ~IFA_F_PERMANENT;
+ if (ifa->ifa_flags&IFA_F_DADFAILED) {
+ ifa->ifa_flags &= ~IFA_F_DADFAILED;
+ fprintf(fp, "dadfailed ");
+ }
if (ifa->ifa_flags)
fprintf(fp, "flags %02x ", ifa->ifa_flags);
if (rta_tb[IFA_LABEL])
@@ -655,6 +660,9 @@ static int ipaddr_list_or_flush(int argc, char **argv, int flush)
} else if (strcmp(*argv, "nodad") == 0) {
filter.flags |= IFA_F_NODAD;
filter.flagmask |= IFA_F_NODAD;
+ } else if (strcmp(*argv, "dadfailed") == 0) {
+ filter.flags |= IFA_F_DADFAILED;
+ filter.flagmask |= IFA_F_DADFAILED;
} else if (strcmp(*argv, "label") == 0) {
NEXT_ARG();
filter.label = *argv;
diff --git a/man/man8/ip.8 b/man/man8/ip.8
index a8fccc4..1145b28 100644
--- a/man/man8/ip.8
+++ b/man/man8/ip.8
@@ -97,7 +97,7 @@ ip \- show / manipulate routing, devices, policy routing and tunnels
.ti -8
.IR FLAG " := "
.RB "[ " permanent " | " dynamic " | " secondary " | " primary " | "\
-tentative " | " deprecated " ]"
+tentative " | " deprecated " | " dadfailed " ]"
.ti -8
.BR "ip addrlabel" " { " add " | " del " } " prefix
@@ -1030,7 +1030,7 @@ addresses.
.TP
.B tentative
-(IPv6 only) only list addresses which did not pass duplicate
+(IPv6 only) only list addresses which have not yet passed duplicate
address detection.
.TP
@@ -1038,6 +1038,11 @@ address detection.
(IPv6 only) only list deprecated addresses.
.TP
+.B dadfailed
+(IPv6 only) only list addresses which have failed duplicate
+address detection.
+
+.TP
.BR primary " and " secondary
only list primary (or secondary) addresses.
--
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