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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: Moni Shoua <monis@mellanox.co.il>
Signed-off-by: Matan Barak <matanb@mellanox.com>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
This commit is contained in:
Moni Shoua 2014-02-09 11:54:34 +02:00 committed by Roland Dreier
parent 38dbfb59d1
commit b4a26a2728
3 changed files with 4 additions and 3 deletions
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2
drivers/infiniband/hw/mlx4/main.c
View File

@ -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;

2
drivers/infiniband/hw/ocrdma/ocrdma_verbs.c
View File

@ -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;

3
include/rdma/ib_verbs.h
View File

@ -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 {