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From ae7cf70848d837d2ed85a21f6d7cbdf4c6ee6e4e Mon Sep 17 00:00:00 2001
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From: Andrea Claudi <aclaudi@redhat.com>
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Date: Mon, 10 Jun 2019 14:25:21 +0200
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Subject: [PATCH] libnetlink: Convert GETADDR dumps to use rtnl_addrdump_req
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Bugzilla: https://bugzilla.redhat.com/show_bug.cgi?id=1716772
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Upstream Status: iproute2.git commit 46917d0895fb0
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commit 46917d0895fb0fb1df9b3c1575ccd467b4a1f860
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Author: David Ahern <dsahern@gmail.com>
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Date: Sat Sep 29 08:41:46 2018 -0700
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libnetlink: Convert GETADDR dumps to use rtnl_addrdump_req
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Add rtnl_addrdump_req for address dumps using the proper ifaddrmsg
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as the header. Convert existing RTM_GETADDR dumps to use it.
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Signed-off-by: David Ahern <dsahern@gmail.com>
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---
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include/libnetlink.h | 4 ++++
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ip/ipaddress.c | 6 +++---
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lib/libnetlink.c | 16 ++++++++++++++++
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3 files changed, 23 insertions(+), 3 deletions(-)
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diff --git a/include/libnetlink.h b/include/libnetlink.h
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index 9d9249e634dc3..2d9f6190230c1 100644
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--- a/include/libnetlink.h
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+++ b/include/libnetlink.h
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@@ -46,6 +46,10 @@ int rtnl_open_byproto(struct rtnl_handle *rth, unsigned int subscriptions,
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__attribute__((warn_unused_result));
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void rtnl_close(struct rtnl_handle *rth);
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+
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+int rtnl_addrdump_req(struct rtnl_handle *rth, int family)
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+ __attribute__((warn_unused_result));
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+
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int rtnl_wilddump_request(struct rtnl_handle *rth, int fam, int type)
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__attribute__((warn_unused_result));
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int rtnl_wilddump_req_filter(struct rtnl_handle *rth, int fam, int type,
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diff --git a/ip/ipaddress.c b/ip/ipaddress.c
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index f315a815e945d..4714bce60db1b 100644
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--- a/ip/ipaddress.c
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+++ b/ip/ipaddress.c
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@@ -1672,7 +1672,7 @@ static int ipaddr_flush(void)
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filter.flushe = sizeof(flushb);
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while ((max_flush_loops == 0) || (round < max_flush_loops)) {
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- if (rtnl_wilddump_request(&rth, filter.family, RTM_GETADDR) < 0) {
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+ if (rtnl_addrdump_req(&rth, filter.family) < 0) {
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perror("Cannot send dump request");
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exit(1);
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}
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@@ -1764,7 +1764,7 @@ int ip_linkaddr_list(int family, req_filter_fn_t filter_fn,
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}
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if (ainfo) {
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- if (rtnl_wilddump_request(&rth, family, RTM_GETADDR) < 0) {
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+ if (rtnl_addrdump_req(&rth, family) < 0) {
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perror("Cannot send dump request");
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return 1;
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}
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@@ -1889,7 +1889,7 @@ static int ipaddr_list_flush_or_save(int argc, char **argv, int action)
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if (ipadd_save_prep())
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exit(1);
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- if (rtnl_wilddump_request(&rth, preferred_family, RTM_GETADDR) < 0) {
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+ if (rtnl_addrdump_req(&rth, preferred_family) < 0) {
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perror("Cannot send dump request");
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exit(1);
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}
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diff --git a/lib/libnetlink.c b/lib/libnetlink.c
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index a9932d423126e..db625b9bd18ca 100644
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--- a/lib/libnetlink.c
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+++ b/lib/libnetlink.c
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@@ -199,6 +199,22 @@ int rtnl_open(struct rtnl_handle *rth, unsigned int subscriptions)
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return rtnl_open_byproto(rth, subscriptions, NETLINK_ROUTE);
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}
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+int rtnl_addrdump_req(struct rtnl_handle *rth, int family)
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+{
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+ struct {
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+ struct nlmsghdr nlh;
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+ struct ifaddrmsg ifm;
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+ } req = {
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+ .nlh.nlmsg_len = sizeof(req),
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+ .nlh.nlmsg_type = RTM_GETADDR,
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+ .nlh.nlmsg_flags = NLM_F_DUMP | NLM_F_REQUEST,
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+ .nlh.nlmsg_seq = rth->dump = ++rth->seq,
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+ .ifm.ifa_family = family,
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+ };
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+
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+ return send(rth->fd, &req, sizeof(req), 0);
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+}
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+
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int rtnl_wilddump_request(struct rtnl_handle *rth, int family, int type)
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{
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return rtnl_wilddump_req_filter(rth, family, type, RTEXT_FILTER_VF);
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--
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2.20.1
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