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authorJeremy Kerr <jk@codeconstruct.com.au>2021-07-29 05:20:45 +0300
committerDavid S. Miller <davem@davemloft.net>2021-07-29 17:06:50 +0300
commit889b7da23abf92faf34491df95733bda63639e32 (patch)
treeca6e3dce6902dc73d174966db46e735a0d214687 /net/mctp/device.c
parent583be982d93479ea3d85091b0fd0b01201ede87d (diff)
downloadlinux-889b7da23abf92faf34491df95733bda63639e32.tar.xz
mctp: Add initial routing framework
Add a simple routing table, and a couple of route output handlers, and the mctp packet_type & handler. Includes changes from Matt Johnston <matt@codeconstruct.com.au>. Signed-off-by: Jeremy Kerr <jk@codeconstruct.com.au> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/mctp/device.c')
-rw-r--r--net/mctp/device.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/net/mctp/device.c b/net/mctp/device.c
index 877abe5312cd..5f1b18c17351 100644
--- a/net/mctp/device.c
+++ b/net/mctp/device.c
@@ -197,6 +197,8 @@ static int mctp_rtm_newaddr(struct sk_buff *skb, struct nlmsghdr *nlh,
kfree(tmp_addrs);
+ mctp_route_add_local(mdev, addr->s_addr);
+
return 0;
}
@@ -240,6 +242,11 @@ static int mctp_rtm_deladdr(struct sk_buff *skb, struct nlmsghdr *nlh,
if (!pos)
return -ENOENT;
+ rc = mctp_route_remove_local(mdev, addr->s_addr);
+ // we can ignore -ENOENT in the case a route was already removed
+ if (rc < 0 && rc != -ENOENT)
+ return rc;
+
spin_lock_irqsave(&mdev->addrs_lock, flags);
memmove(pos, pos + 1, mdev->num_addrs - 1 - (pos - mdev->addrs));
mdev->num_addrs--;
@@ -334,6 +341,7 @@ static void mctp_unregister(struct net_device *dev)
RCU_INIT_POINTER(mdev->dev->mctp_ptr, NULL);
+ mctp_route_remove_dev(mdev);
kfree(mdev->addrs);
mctp_dev_destroy(mdev);