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Commit b4a26a27 authored by Moni Shoua's avatar Moni Shoua Committed by Roland Dreier
Browse files

IB: Report using RoCE IP based gids in port caps 



For userspace RoCE UD QPs we need to know the GID format that the
kernel uses, e.g when working over older kernels. For that end, add a
new port capability IB_PORT_IP_BASED_GIDS and report it when query
port is issued.

Signed-off-by: default avatarMoni Shoua <monis@mellanox.co.il>
Signed-off-by: default avatarMatan Barak <matanb@mellanox.com>
Signed-off-by: default avatarOr Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: default avatarRoland Dreier <roland@purestorage.com>
parent 38dbfb59

drivers/infiniband/hw/mlx4/main.c

+1 −1
Original line number Diff line number Diff line
@@ -347,7 +347,7 @@ static int eth_link_query_port(struct ib_device *ibdev, u8 port, 
	props->active_width	=  (((u8 *)mailbox->buf)[5] == 0x40) ?

						IB_WIDTH_4X : IB_WIDTH_1X;

	props->active_speed	= IB_SPEED_QDR;

	props->port_cap_flags	= IB_PORT_CM_SUP;

	props->port_cap_flags	= IB_PORT_CM_SUP | IB_PORT_IP_BASED_GIDS;

	props->gid_tbl_len	= mdev->dev->caps.gid_table_len[port];

	props->max_msg_sz	= mdev->dev->caps.max_msg_sz;

	props->pkey_tbl_len	= 1;

drivers/infiniband/hw/ocrdma/ocrdma_verbs.c

+1 −1
Original line number Diff line number Diff line
@@ -176,7 +176,7 @@ int ocrdma_query_port(struct ib_device *ibdev, 
	props->port_cap_flags =

	    IB_PORT_CM_SUP |

	    IB_PORT_REINIT_SUP |

	    IB_PORT_DEVICE_MGMT_SUP | IB_PORT_VENDOR_CLASS_SUP;

	    IB_PORT_DEVICE_MGMT_SUP | IB_PORT_VENDOR_CLASS_SUP | IB_PORT_IP_BASED_GIDS;

	props->gid_tbl_len = OCRDMA_MAX_SGID;

	props->pkey_tbl_len = 1;

	props->bad_pkey_cntr = 0;

include/rdma/ib_verbs.h

+2 −1
Original line number Diff line number Diff line
@@ -226,7 +226,8 @@ enum ib_port_cap_flags { 
	IB_PORT_CAP_MASK_NOTICE_SUP		= 1 << 22,

	IB_PORT_BOOT_MGMT_SUP			= 1 << 23,

	IB_PORT_LINK_LATENCY_SUP		= 1 << 24,

	IB_PORT_CLIENT_REG_SUP			= 1 << 25

	IB_PORT_CLIENT_REG_SUP			= 1 << 25,

	IB_PORT_IP_BASED_GIDS			= 1 << 26

};



enum ib_port_width {