From: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
To: netdev@vger.kernel.org
Cc: davem@davemloft.net, roopa@cumulusnetworks.com,
bridge@lists.linux-foundation.org,
Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
Subject: [PATCH net-next 2/4] net: bridge: mdb: factor out mdb filling
Date: Wed, 14 Aug 2019 17:40:22 +0300 [thread overview]
Message-ID: <20190814144024.9710-3-nikolay@cumulusnetworks.com> (raw)
In-Reply-To: <20190814144024.9710-1-nikolay@cumulusnetworks.com>
We have to factor out the mdb fill portion in order to re-use it later for
the bridge mdb entries. No functional changes intended.
Signed-off-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
---
net/bridge/br_mdb.c | 68 ++++++++++++++++++++++++---------------------
1 file changed, 37 insertions(+), 31 deletions(-)
diff --git a/net/bridge/br_mdb.c b/net/bridge/br_mdb.c
index ee6208c6d946..77730983097e 100644
--- a/net/bridge/br_mdb.c
+++ b/net/bridge/br_mdb.c
@@ -77,6 +77,40 @@ static void __mdb_entry_to_br_ip(struct br_mdb_entry *entry, struct br_ip *ip)
#endif
}
+static int __mdb_fill_info(struct sk_buff *skb,
+ struct net_bridge_port_group *p)
+{
+ struct nlattr *nest_ent;
+ struct br_mdb_entry e;
+
+ memset(&e, 0, sizeof(e));
+ __mdb_entry_fill_flags(&e, p->flags);
+ e.ifindex = p->port->dev->ifindex;
+ e.vid = p->addr.vid;
+ if (p->addr.proto == htons(ETH_P_IP))
+ e.addr.u.ip4 = p->addr.u.ip4;
+#if IS_ENABLED(CONFIG_IPV6)
+ if (p->addr.proto == htons(ETH_P_IPV6))
+ e.addr.u.ip6 = p->addr.u.ip6;
+#endif
+ e.addr.proto = p->addr.proto;
+ nest_ent = nla_nest_start_noflag(skb,
+ MDBA_MDB_ENTRY_INFO);
+ if (!nest_ent)
+ return -EMSGSIZE;
+
+ if (nla_put_nohdr(skb, sizeof(e), &e) ||
+ nla_put_u32(skb,
+ MDBA_MDB_EATTR_TIMER,
+ br_timer_value(&p->timer))) {
+ nla_nest_cancel(skb, nest_ent);
+ return -EMSGSIZE;
+ }
+ nla_nest_end(skb, nest_ent);
+
+ return 0;
+}
+
static int br_mdb_fill_info(struct sk_buff *skb, struct netlink_callback *cb,
struct net_device *dev)
{
@@ -95,7 +129,6 @@ static int br_mdb_fill_info(struct sk_buff *skb, struct netlink_callback *cb,
hlist_for_each_entry_rcu(mp, &br->mdb_list, mdb_node) {
struct net_bridge_port_group *p;
struct net_bridge_port_group __rcu **pp;
- struct net_bridge_port *port;
if (idx < s_idx)
goto skip;
@@ -108,41 +141,14 @@ static int br_mdb_fill_info(struct sk_buff *skb, struct netlink_callback *cb,
for (pp = &mp->ports; (p = rcu_dereference(*pp)) != NULL;
pp = &p->next) {
- struct nlattr *nest_ent;
- struct br_mdb_entry e;
-
- port = p->port;
- if (!port)
+ if (!p->port)
continue;
- memset(&e, 0, sizeof(e));
- e.ifindex = port->dev->ifindex;
- e.vid = p->addr.vid;
- __mdb_entry_fill_flags(&e, p->flags);
- if (p->addr.proto == htons(ETH_P_IP))
- e.addr.u.ip4 = p->addr.u.ip4;
-#if IS_ENABLED(CONFIG_IPV6)
- if (p->addr.proto == htons(ETH_P_IPV6))
- e.addr.u.ip6 = p->addr.u.ip6;
-#endif
- e.addr.proto = p->addr.proto;
- nest_ent = nla_nest_start_noflag(skb,
- MDBA_MDB_ENTRY_INFO);
- if (!nest_ent) {
- nla_nest_cancel(skb, nest2);
- err = -EMSGSIZE;
- goto out;
- }
- if (nla_put_nohdr(skb, sizeof(e), &e) ||
- nla_put_u32(skb,
- MDBA_MDB_EATTR_TIMER,
- br_timer_value(&p->timer))) {
- nla_nest_cancel(skb, nest_ent);
+ err = __mdb_fill_info(skb, p);
+ if (err) {
nla_nest_cancel(skb, nest2);
- err = -EMSGSIZE;
goto out;
}
- nla_nest_end(skb, nest_ent);
}
nla_nest_end(skb, nest2);
skip:
--
2.21.0
next prev parent reply other threads:[~2019-08-14 14:40 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-08-14 14:40 [PATCH net-next 0/4] net: bridge: mdb: allow dump/add/del of host-joined entries Nikolay Aleksandrov
2019-08-14 14:40 ` [PATCH net-next 1/4] net: bridge: mdb: move vlan comments Nikolay Aleksandrov
2019-08-14 14:40 ` Nikolay Aleksandrov [this message]
2019-08-14 14:40 ` [PATCH net-next 3/4] net: bridge: mdb: dump host-joined entries as well Nikolay Aleksandrov
2019-08-14 14:40 ` [PATCH net-next 4/4] net: bridge: mdb: allow add/delete for host-joined groups Nikolay Aleksandrov
2019-08-14 16:01 ` [PATCH net-next 0/4] net: bridge: mdb: allow dump/add/del of host-joined entries Nikolay Aleksandrov
2019-08-14 17:04 ` [PATCH net-next v2 " Nikolay Aleksandrov
2019-08-14 17:04 ` [PATCH net-next v2 1/4] net: bridge: mdb: move vlan comments Nikolay Aleksandrov
2019-08-14 17:04 ` [PATCH net-next v2 2/4] net: bridge: mdb: factor out mdb filling Nikolay Aleksandrov
2019-08-14 17:05 ` [PATCH net-next v2 3/4] net: bridge: mdb: dump host-joined entries as well Nikolay Aleksandrov
2019-08-14 17:05 ` [PATCH net-next v2 4/4] net: bridge: mdb: allow add/delete for host-joined groups Nikolay Aleksandrov
2019-08-16 20:04 ` [PATCH net-next v2 0/4] net: bridge: mdb: allow dump/add/del of host-joined entries David Miller
2019-08-17 11:22 ` [PATCH net-next v3 " Nikolay Aleksandrov
2019-08-17 11:22 ` [PATCH net-next v3 1/4] net: bridge: mdb: move vlan comments Nikolay Aleksandrov
2019-08-17 11:22 ` [PATCH net-next v3 2/4] net: bridge: mdb: factor out mdb filling Nikolay Aleksandrov
2019-08-17 11:22 ` [PATCH net-next v3 3/4] net: bridge: mdb: dump host-joined entries as well Nikolay Aleksandrov
2019-08-17 11:22 ` [PATCH net-next v3 4/4] net: bridge: mdb: allow add/delete for host-joined groups Nikolay Aleksandrov
2019-08-17 19:37 ` [PATCH net-next v3 0/4] net: bridge: mdb: allow dump/add/del of host-joined entries David Miller
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20190814144024.9710-3-nikolay@cumulusnetworks.com \
--to=nikolay@cumulusnetworks.com \
--cc=bridge@lists.linux-foundation.org \
--cc=davem@davemloft.net \
--cc=netdev@vger.kernel.org \
--cc=roopa@cumulusnetworks.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).