Commit 03d8d4f1 authored by Hyunchul Lee's avatar Hyunchul Lee Committed by Namjae Jeon
Browse files

ksmbd: set RDMA capability for FSCTL_QUERY_NETWORK_INTERFACE_INFO 



set RDMA capability for
FSCTL_QUERY_NETWORK_INTERFACE_INFO.

Signed-off-by: default avatarHyunchul Lee <hyc.lee@gmail.com>
Signed-off-by: default avatarNamjae Jeon <namjae.jeon@samsung.com>
Signed-off-by: default avatarSteve French <stfrench@microsoft.com>
parent 96ad4ec5

fs/ksmbd/smb2pdu.c

+5 −4
Original line number Diff line number Diff line
@@ -22,6 +22,7 @@ 
#include "asn1.h"

#include "connection.h"

#include "transport_ipc.h"

#include "transport_rdma.h"

#include "vfs.h"

#include "vfs_cache.h"

#include "misc.h"
@@ -7028,11 +7029,11 @@ static int fsctl_query_iface_info_ioctl(struct ksmbd_conn *conn, 
				&rsp->Buffer[nbytes];

		nii_rsp->IfIndex = cpu_to_le32(netdev->ifindex);



		/* TODO: specify the RDMA capabilities */

		if (netdev->num_tx_queues > 1)

			nii_rsp->Capability = cpu_to_le32(RSS_CAPABLE);

		else

		nii_rsp->Capability = 0;

		if (netdev->num_tx_queues > 1)

			nii_rsp->Capability |= cpu_to_le32(RSS_CAPABLE);

		if (ksmbd_rdma_capable_netdev(netdev))

			nii_rsp->Capability |= cpu_to_le32(RDMA_CAPABLE);



		nii_rsp->Next = cpu_to_le32(152);

		nii_rsp->Reserved = 0;

fs/ksmbd/transport_rdma.c

+14 −0
Original line number Diff line number Diff line
@@ -2033,6 +2033,20 @@ int ksmbd_rdma_destroy(void) 
	return 0;

}



bool ksmbd_rdma_capable_netdev(struct net_device *netdev)

{

	struct ib_device *ibdev;

	bool rdma_capable = false;



	ibdev = ib_device_get_by_netdev(netdev, RDMA_DRIVER_UNKNOWN);

	if (ibdev) {

		if (rdma_frwr_is_supported(&ibdev->attrs))

			rdma_capable = true;

		ib_device_put(ibdev);

	}

	return rdma_capable;

}



static struct ksmbd_transport_ops ksmbd_smb_direct_transport_ops = {

	.prepare	= smb_direct_prepare,

	.disconnect	= smb_direct_disconnect,

fs/ksmbd/transport_rdma.h

+2 −0
Original line number Diff line number Diff line
@@ -53,9 +53,11 @@ struct smb_direct_data_transfer { 
#ifdef CONFIG_SMB_SERVER_SMBDIRECT

int ksmbd_rdma_init(void);

int ksmbd_rdma_destroy(void);

bool ksmbd_rdma_capable_netdev(struct net_device *netdev);

#else

static inline int ksmbd_rdma_init(void) { return 0; }

static inline int ksmbd_rdma_destroy(void) { return 0; }

static inline bool ksmbd_rdma_capable_netdev(struct net_device *netdev) { return false; }

#endif



#endif /* __KSMBD_TRANSPORT_RDMA_H__ */