[PATCH net-next v4 01/18] net/smc: decouple ism_dev from SMC-D device dump
From: Wen Gu <guwen@linux.alibaba.com>
Date: 2023-09-24 15:17:13
Also in:
linux-s390, lkml
Subsystem:
networking [general], shared memory communications (smc) sockets, the rest · Maintainers:
"David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, D. Wythe, Dust Li, Sidraya Jayagond, Mahanta Jambigi, Linus Torvalds
This patch helps to decouple ISM device from SMC-D device, allowing different underlying device forms, such as virtual ISM devices. Signed-off-by: Wen Gu <guwen@linux.alibaba.com> --- net/smc/smc_ism.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-)
diff --git a/net/smc/smc_ism.c b/net/smc/smc_ism.c
index fbee249..fc551f4 100644
--- a/net/smc/smc_ism.c
+++ b/net/smc/smc_ism.c@@ -230,12 +230,11 @@ static int smc_nl_handle_smcd_dev(struct smcd_dev *smcd, char smc_pnet[SMC_MAX_PNETID_LEN + 1]; struct smc_pci_dev smc_pci_dev; struct nlattr *port_attrs; + struct device *priv_dev; struct nlattr *attrs; - struct ism_dev *ism; int use_cnt = 0; void *nlh; - ism = smcd->priv; nlh = genlmsg_put(skb, NETLINK_CB(cb->skb).portid, cb->nlh->nlmsg_seq, &smc_gen_nl_family, NLM_F_MULTI, SMC_NETLINK_GET_DEV_SMCD);
@@ -250,7 +249,9 @@ static int smc_nl_handle_smcd_dev(struct smcd_dev *smcd, if (nla_put_u8(skb, SMC_NLA_DEV_IS_CRIT, use_cnt > 0)) goto errattr; memset(&smc_pci_dev, 0, sizeof(smc_pci_dev)); - smc_set_pci_values(to_pci_dev(ism->dev.parent), &smc_pci_dev); + priv_dev = smcd->ops->get_dev(smcd); + if (priv_dev && priv_dev->parent) + smc_set_pci_values(to_pci_dev(priv_dev->parent), &smc_pci_dev); if (nla_put_u32(skb, SMC_NLA_DEV_PCI_FID, smc_pci_dev.pci_fid)) goto errattr; if (nla_put_u16(skb, SMC_NLA_DEV_PCI_CHID, smc_pci_dev.pci_pchid))
--
1.8.3.1