summaryrefslogtreecommitdiffstats
path: root/net/smc
diff options
context:
space:
mode:
authorTony Lu <tonylu@linux.alibaba.com>2021-12-28 21:06:10 +0800
committerDavid S. Miller <davem@davemloft.net>2022-01-02 12:07:39 +0000
commit79d39fc503b43b566feae5bc9a57dfcffdf41bd1 (patch)
treef85d05a7cd1723eac013b692a79101aa684cb529 /net/smc
parent0237a3a683e4844ddc52782d83d439d6192e11f9 (diff)
downloadlinux-stable-79d39fc503b43b566feae5bc9a57dfcffdf41bd1.tar.gz
linux-stable-79d39fc503b43b566feae5bc9a57dfcffdf41bd1.tar.bz2
linux-stable-79d39fc503b43b566feae5bc9a57dfcffdf41bd1.zip
net/smc: Add netlink net namespace support
This adds net namespace ID to diag of linkgroup, helps us to distinguish different namespaces, and net_cookie is unique in the whole system. Signed-off-by: Tony Lu <tonylu@linux.alibaba.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/smc')
-rw-r--r--net/smc/smc_core.c3
-rw-r--r--net/smc/smc_diag.c16
2 files changed, 12 insertions, 7 deletions
diff --git a/net/smc/smc_core.c b/net/smc/smc_core.c
index b53cdecf621d..e47538451612 100644
--- a/net/smc/smc_core.c
+++ b/net/smc/smc_core.c
@@ -348,6 +348,9 @@ static int smc_nl_fill_lgr(struct smc_link_group *lgr,
goto errattr;
if (nla_put_u8(skb, SMC_NLA_LGR_R_VLAN_ID, lgr->vlan_id))
goto errattr;
+ if (nla_put_u64_64bit(skb, SMC_NLA_LGR_R_NET_COOKIE,
+ lgr->net->net_cookie, SMC_NLA_LGR_R_PAD))
+ goto errattr;
memcpy(smc_target, lgr->pnet_id, SMC_MAX_PNETID_LEN);
smc_target[SMC_MAX_PNETID_LEN] = 0;
if (nla_put_string(skb, SMC_NLA_LGR_R_PNETID, smc_target))
diff --git a/net/smc/smc_diag.c b/net/smc/smc_diag.c
index c952986a6aca..7c8dad28c18d 100644
--- a/net/smc/smc_diag.c
+++ b/net/smc/smc_diag.c
@@ -145,19 +145,21 @@ static int __smc_diag_dump(struct sock *sk, struct sk_buff *skb,
if (smc->conn.lgr && !smc->conn.lgr->is_smcd &&
(req->diag_ext & (1 << (SMC_DIAG_LGRINFO - 1))) &&
!list_empty(&smc->conn.lgr->list)) {
+ struct smc_link *link = smc->conn.lnk;
+ struct net *net = read_pnet(&link->smcibdev->ibdev->coredev.rdma_net);
+
struct smc_diag_lgrinfo linfo = {
.role = smc->conn.lgr->role,
- .lnk[0].ibport = smc->conn.lnk->ibport,
- .lnk[0].link_id = smc->conn.lnk->link_id,
+ .lnk[0].ibport = link->ibport,
+ .lnk[0].link_id = link->link_id,
+ .lnk[0].net_cookie = net->net_cookie,
};
memcpy(linfo.lnk[0].ibname,
smc->conn.lgr->lnk[0].smcibdev->ibdev->name,
- sizeof(smc->conn.lnk->smcibdev->ibdev->name));
- smc_gid_be16_convert(linfo.lnk[0].gid,
- smc->conn.lnk->gid);
- smc_gid_be16_convert(linfo.lnk[0].peer_gid,
- smc->conn.lnk->peer_gid);
+ sizeof(link->smcibdev->ibdev->name));
+ smc_gid_be16_convert(linfo.lnk[0].gid, link->gid);
+ smc_gid_be16_convert(linfo.lnk[0].peer_gid, link->peer_gid);
if (nla_put(skb, SMC_DIAG_LGRINFO, sizeof(linfo), &linfo) < 0)
goto errout;