From: Horatiu Vultur <horatiu.vultur@microchip.com>
To: <nikolay@cumulusnetworks.com>, <roopa@cumulusnetworks.com>,
<davem@davemloft.net>, <kuba@kernel.org>, <jiri@mellanox.com>,
<netdev@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
<bridge@lists.linux-foundation.org>,
<UNGLinuxDriver@microchip.com>
Cc: Horatiu Vultur <horatiu.vultur@microchip.com>
Subject: [PATCH net-next v2 2/3] bridge: mrp: Add br_mrp_fill_info
Date: Wed, 1 Jul 2020 09:22:38 +0200 [thread overview]
Message-ID: <20200701072239.520807-3-horatiu.vultur@microchip.com> (raw)
In-Reply-To: <20200701072239.520807-1-horatiu.vultur@microchip.com>
Add the function br_mrp_fill_info which populates the MRP attributes
regarding the status of each MRP instance.
Signed-off-by: Horatiu Vultur <horatiu.vultur@microchip.com>
---
net/bridge/br_mrp_netlink.c | 64 +++++++++++++++++++++++++++++++++++++
net/bridge/br_private.h | 7 ++++
2 files changed, 71 insertions(+)
diff --git a/net/bridge/br_mrp_netlink.c b/net/bridge/br_mrp_netlink.c
index 34b3a8776991f..c4e80844e53bd 100644
--- a/net/bridge/br_mrp_netlink.c
+++ b/net/bridge/br_mrp_netlink.c
@@ -304,6 +304,70 @@ int br_mrp_parse(struct net_bridge *br, struct net_bridge_port *p,
return 0;
}
+int br_mrp_fill_info(struct sk_buff *skb, struct net_bridge *br)
+{
+ struct nlattr *tb, *mrp_tb;
+ struct br_mrp *mrp;
+
+ mrp_tb = nla_nest_start_noflag(skb, IFLA_BRIDGE_MRP);
+ if (!mrp_tb)
+ return -EMSGSIZE;
+
+ list_for_each_entry(mrp, &br->mrp_list, list) {
+ struct net_bridge_port *p;
+
+ tb = nla_nest_start_noflag(skb, IFLA_BRIDGE_MRP_INFO);
+ if (!tb)
+ goto nla_info_failure;
+
+ if (nla_put_u32(skb, IFLA_BRIDGE_MRP_INFO_RING_ID,
+ mrp->ring_id))
+ goto nla_put_failure;
+
+ p = rtnl_dereference(mrp->p_port);
+ if (p && nla_put_u32(skb, IFLA_BRIDGE_MRP_INFO_P_IFINDEX,
+ p->dev->ifindex))
+ goto nla_put_failure;
+
+ p = rtnl_dereference(mrp->s_port);
+ if (p && nla_put_u32(skb, IFLA_BRIDGE_MRP_INFO_S_IFINDEX,
+ p->dev->ifindex))
+ goto nla_put_failure;
+
+ if (nla_put_u16(skb, IFLA_BRIDGE_MRP_INFO_PRIO,
+ mrp->prio))
+ goto nla_put_failure;
+ if (nla_put_u32(skb, IFLA_BRIDGE_MRP_INFO_RING_STATE,
+ mrp->ring_state))
+ goto nla_put_failure;
+ if (nla_put_u32(skb, IFLA_BRIDGE_MRP_INFO_RING_ROLE,
+ mrp->ring_role))
+ goto nla_put_failure;
+ if (nla_put_u32(skb, IFLA_BRIDGE_MRP_INFO_TEST_INTERVAL,
+ mrp->test_interval))
+ goto nla_put_failure;
+ if (nla_put_u32(skb, IFLA_BRIDGE_MRP_INFO_TEST_MAX_MISS,
+ mrp->test_max_miss))
+ goto nla_put_failure;
+ if (nla_put_u32(skb, IFLA_BRIDGE_MRP_INFO_TEST_MONITOR,
+ mrp->test_monitor))
+ goto nla_put_failure;
+
+ nla_nest_end(skb, tb);
+ }
+ nla_nest_end(skb, mrp_tb);
+
+ return 0;
+
+nla_put_failure:
+ nla_nest_cancel(skb, tb);
+
+nla_info_failure:
+ nla_nest_cancel(skb, mrp_tb);
+
+ return -EMSGSIZE;
+}
+
int br_mrp_port_open(struct net_device *dev, u8 loc)
{
struct net_bridge_port *p;
diff --git a/net/bridge/br_private.h b/net/bridge/br_private.h
index 6a7d8e218ae7e..65d2c163a24ab 100644
--- a/net/bridge/br_private.h
+++ b/net/bridge/br_private.h
@@ -1317,6 +1317,7 @@ int br_mrp_parse(struct net_bridge *br, struct net_bridge_port *p,
int br_mrp_process(struct net_bridge_port *p, struct sk_buff *skb);
bool br_mrp_enabled(struct net_bridge *br);
void br_mrp_port_del(struct net_bridge *br, struct net_bridge_port *p);
+int br_mrp_fill_info(struct sk_buff *skb, struct net_bridge *br);
#else
static inline int br_mrp_parse(struct net_bridge *br, struct net_bridge_port *p,
struct nlattr *attr, int cmd,
@@ -1339,6 +1340,12 @@ static inline void br_mrp_port_del(struct net_bridge *br,
struct net_bridge_port *p)
{
}
+
+static inline int br_mrp_fill_info(struct sk_buff *skb, struct net_bridge *br)
+{
+ return 0;
+}
+
#endif
/* br_netlink.c */
--
2.27.0
next prev parent reply other threads:[~2020-07-01 7:23 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-07-01 7:22 [PATCH net-next v2 0/3] bridge: mrp: Add support for getting the status Horatiu Vultur
2020-07-01 7:22 ` [PATCH net-next v2 1/3] bridge: uapi: mrp: Extend MRP attributes to get " Horatiu Vultur
2020-07-01 7:22 ` Horatiu Vultur [this message]
2020-07-01 7:22 ` [PATCH net-next v2 3/3] bridge: Extend br_fill_ifinfo to return MPR status Horatiu Vultur
2020-07-01 9:51 ` Nikolay Aleksandrov
2020-07-01 13:19 ` Horatiu Vultur
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=20200701072239.520807-3-horatiu.vultur@microchip.com \
--to=horatiu.vultur@microchip.com \
--cc=UNGLinuxDriver@microchip.com \
--cc=bridge@lists.linux-foundation.org \
--cc=davem@davemloft.net \
--cc=jiri@mellanox.com \
--cc=kuba@kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=netdev@vger.kernel.org \
--cc=nikolay@cumulusnetworks.com \
--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).