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authorHans Wippel <hwippel@linux.ibm.com>2018-06-28 19:05:12 +0200
committerDavid S. Miller <davem@davemloft.net>2018-06-30 20:42:26 +0900
commit4b1b7d3b30a6d32ac1a1dcede284e76ef8a8542d (patch)
treed7d831525b8bb1899868b5575a844b9927a2df07 /net/smc/smc_diag.c
parent413498440e30bfe381ac99dfc31628a3d8d4382a (diff)
downloadlinux-rt-4b1b7d3b30a6d32ac1a1dcede284e76ef8a8542d.tar.gz
net/smc: add SMC-D diag support
This patch adds diag support for SMC-D. Signed-off-by: Hans Wippel <hwippel@linux.ibm.com> Signed-off-by: Ursula Braun <ubraun@linux.ibm.com> Suggested-by: Thomas Richter <tmricht@linux.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/smc/smc_diag.c')
-rw-r--r--net/smc/smc_diag.c15
1 files changed, 15 insertions, 0 deletions
diff --git a/net/smc/smc_diag.c b/net/smc/smc_diag.c
index 64ce107c24d9..6d83eef1b743 100644
--- a/net/smc/smc_diag.c
+++ b/net/smc/smc_diag.c
@@ -156,6 +156,21 @@ static int __smc_diag_dump(struct sock *sk, struct sk_buff *skb,
if (nla_put(skb, SMC_DIAG_LGRINFO, sizeof(linfo), &linfo) < 0)
goto errout;
}
+ if (smc->conn.lgr && smc->conn.lgr->is_smcd &&
+ (req->diag_ext & (1 << (SMC_DIAG_DMBINFO - 1))) &&
+ !list_empty(&smc->conn.lgr->list)) {
+ struct smc_connection *conn = &smc->conn;
+ struct smcd_diag_dmbinfo dinfo = {
+ .linkid = *((u32 *)conn->lgr->id),
+ .peer_gid = conn->lgr->peer_gid,
+ .my_gid = conn->lgr->smcd->local_gid,
+ .token = conn->rmb_desc->token,
+ .peer_token = conn->peer_token
+ };
+
+ if (nla_put(skb, SMC_DIAG_DMBINFO, sizeof(dinfo), &dinfo) < 0)
+ goto errout;
+ }
nlmsg_end(skb, nlh);
return 0;