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IB: Report using RoCE IP based gids in port caps

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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 {