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From: Leon Romanovsky <leon@kernel.org>
To: Doug Ledford <dledford@redhat.com>, Jason Gunthorpe <jgg@nvidia.com>
Cc: Parav Pandit <parav@nvidia.com>,
	"David S. Miller" <davem@davemloft.net>,
	Dennis Dalessandro <dennis.dalessandro@cornelisnetworks.com>,
	Jakub Kicinski <kuba@kernel.org>,
	Karsten Graul <kgraul@linux.ibm.com>,
	linux-kernel@vger.kernel.org, linux-rdma@vger.kernel.org,
	linux-s390@vger.kernel.org,
	Mike Marciniszyn <mike.marciniszyn@cornelisnetworks.com>,
	netdev@vger.kernel.org, rds-devel@oss.oracle.com,
	Santosh Shilimkar <santosh.shilimkar@oracle.com>
Subject: [PATCH rdma-next 5/8] IB/IPoIB: Skip device which doesn't have InfiniBand port
Date: Mon,  5 Apr 2021 08:49:57 +0300
Message-ID: <20210405055000.215792-6-leon@kernel.org> (raw)
In-Reply-To: <20210405055000.215792-1-leon@kernel.org>

From: Parav Pandit <parav@nvidia.com>

Skip RDMA device which doesn't have InfiniBand ports using newly
introduced client_supported() callback.

Signed-off-by: Parav Pandit <parav@nvidia.com>
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
---
 drivers/infiniband/ulp/ipoib/ipoib_main.c | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/drivers/infiniband/ulp/ipoib/ipoib_main.c b/drivers/infiniband/ulp/ipoib/ipoib_main.c
index 8f769ebaacc6..b02c10dea242 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_main.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_main.c
@@ -93,6 +93,7 @@ static struct net_device *ipoib_get_net_dev_by_params(
 		struct ib_device *dev, u32 port, u16 pkey,
 		const union ib_gid *gid, const struct sockaddr *addr,
 		void *client_data);
+static bool ipoib_client_supported(struct ib_device *device);
 static int ipoib_set_mac(struct net_device *dev, void *addr);
 static int ipoib_ioctl(struct net_device *dev, struct ifreq *ifr,
 		       int cmd);
@@ -102,6 +103,7 @@ static struct ib_client ipoib_client = {
 	.add    = ipoib_add_one,
 	.remove = ipoib_remove_one,
 	.get_net_dev_by_params = ipoib_get_net_dev_by_params,
+	.is_supported = ipoib_client_supported,
 };
 
 #ifdef CONFIG_INFINIBAND_IPOIB_DEBUG
@@ -2530,6 +2532,17 @@ static struct net_device *ipoib_add_port(const char *format,
 	return ERR_PTR(-ENOMEM);
 }
 
+static bool ipoib_client_supported(struct ib_device *device)
+{
+	u32 i;
+
+	rdma_for_each_port(device, i) {
+		if (rdma_protocol_ib(device, i))
+			return true;
+	}
+	return false;
+}
+
 static int ipoib_add_one(struct ib_device *device)
 {
 	struct list_head *dev_list;
-- 
2.30.2


  parent reply index

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-04-05  5:49 [PATCH rdma-next 0/8] Generalize if ULP supported check Leon Romanovsky
2021-04-05  5:49 ` [PATCH rdma-next 1/8] RDMA/core: Check if client supports IB device or not Leon Romanovsky
2021-04-05  6:20   ` Gal Pressman
2021-04-05  8:46     ` Leon Romanovsky
2021-04-05  5:49 ` [PATCH rdma-next 2/8] RDMA/cma: Skip device which doesn't support CM Leon Romanovsky
2021-04-05  5:49 ` [PATCH rdma-next 3/8] IB/cm: Skip device which doesn't support IB CM Leon Romanovsky
2021-04-05  5:49 ` [PATCH rdma-next 4/8] IB/core: Skip device which doesn't have necessary capabilities Leon Romanovsky
2021-04-06 15:46   ` Jason Gunthorpe
2021-04-07 15:06     ` Parav Pandit
2021-04-07 15:13       ` Jason Gunthorpe
2021-04-07 15:44         ` Parav Pandit
2021-04-08 12:16           ` Jason Gunthorpe
2021-04-09 12:31             ` Parav Pandit
2021-04-05  5:49 ` Leon Romanovsky [this message]
2021-04-05  5:49 ` [PATCH rdma-next 6/8] IB/opa_vnic: Move to client_supported callback Leon Romanovsky
2021-04-05  5:49 ` [PATCH rdma-next 7/8] net/smc: " Leon Romanovsky
2021-04-05  5:50 ` [PATCH rdma-next 8/8] net/rds: " Leon Romanovsky
2021-04-05 16:12   ` Santosh Shilimkar

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