From 03d8d4f1896eba2240aa946ce591e86e538504cd Mon Sep 17 00:00:00 2001 From: Hyunchul Lee Date: Tue, 13 Jul 2021 16:09:34 +0900 Subject: [PATCH] ksmbd: set RDMA capability for FSCTL_QUERY_NETWORK_INTERFACE_INFO set RDMA capability for FSCTL_QUERY_NETWORK_INTERFACE_INFO. Signed-off-by: Hyunchul Lee Signed-off-by: Namjae Jeon Signed-off-by: Steve French --- fs/ksmbd/smb2pdu.c | 9 +++++---- fs/ksmbd/transport_rdma.c | 14 ++++++++++++++ fs/ksmbd/transport_rdma.h | 2 ++ 3 files changed, 21 insertions(+), 4 deletions(-) diff --git a/fs/ksmbd/smb2pdu.c b/fs/ksmbd/smb2pdu.c index ee91d99..c1a59459 100644 --- a/fs/ksmbd/smb2pdu.c +++ b/fs/ksmbd/smb2pdu.c @@ -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 */ + nii_rsp->Capability = 0; if (netdev->num_tx_queues > 1) - nii_rsp->Capability = cpu_to_le32(RSS_CAPABLE); - else - nii_rsp->Capability = 0; + 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; diff --git a/fs/ksmbd/transport_rdma.c b/fs/ksmbd/transport_rdma.c index d5728c8..f818fe3 100644 --- a/fs/ksmbd/transport_rdma.c +++ b/fs/ksmbd/transport_rdma.c @@ -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, diff --git a/fs/ksmbd/transport_rdma.h b/fs/ksmbd/transport_rdma.h index da60fce..72e2574 100644 --- a/fs/ksmbd/transport_rdma.h +++ b/fs/ksmbd/transport_rdma.h @@ -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__ */ -- 2.7.4