Commit 4bda1d53 authored by Konstantin Taranov's avatar Konstantin Taranov Committed by Leon Romanovsky
Browse files

RDMA/mana_ib: Implement port parameters 



Implement port parameters for RNIC:
1) extend query_port() method
2) implement get_link_layer()
3) implement query_pkey()

Only port 1 can store GIDs.

Signed-off-by: default avatarKonstantin Taranov <kotaranov@microsoft.com>
Link: https://lore.kernel.org/r/1712738551-22075-4-git-send-email-kotaranov@linux.microsoft.com


Signed-off-by: default avatarLeon Romanovsky <leon@kernel.org>
parent 1a79c2b9

drivers/infiniband/hw/mana/device.c

+2 −0
Original line number Diff line number Diff line
@@ -29,12 +29,14 @@ static const struct ib_device_ops mana_ib_dev_ops = { 
	.destroy_rwq_ind_table = mana_ib_destroy_rwq_ind_table,

	.destroy_wq = mana_ib_destroy_wq,

	.disassociate_ucontext = mana_ib_disassociate_ucontext,

	.get_link_layer = mana_ib_get_link_layer,

	.get_port_immutable = mana_ib_get_port_immutable,

	.mmap = mana_ib_mmap,

	.modify_qp = mana_ib_modify_qp,

	.modify_wq = mana_ib_modify_wq,

	.query_device = mana_ib_query_device,

	.query_gid = mana_ib_query_gid,

	.query_pkey = mana_ib_query_pkey,

	.query_port = mana_ib_query_port,

	.reg_user_mr = mana_ib_reg_user_mr,

drivers/infiniband/hw/mana/main.c

+36 −1
Original line number Diff line number Diff line
@@ -555,7 +555,42 @@ int mana_ib_query_device(struct ib_device *ibdev, struct ib_device_attr *props, 
int mana_ib_query_port(struct ib_device *ibdev, u32 port,

		       struct ib_port_attr *props)

{

	/* This version doesn't return port properties */

	struct net_device *ndev = mana_ib_get_netdev(ibdev, port);



	if (!ndev)

		return -EINVAL;



	memset(props, 0, sizeof(*props));

	props->max_mtu = IB_MTU_4096;

	props->active_mtu = ib_mtu_int_to_enum(ndev->mtu);



	if (netif_carrier_ok(ndev) && netif_running(ndev)) {

		props->state = IB_PORT_ACTIVE;

		props->phys_state = IB_PORT_PHYS_STATE_LINK_UP;

	} else {

		props->state = IB_PORT_DOWN;

		props->phys_state = IB_PORT_PHYS_STATE_DISABLED;

	}



	props->active_width = IB_WIDTH_4X;

	props->active_speed = IB_SPEED_EDR;

	props->pkey_tbl_len = 1;

	if (port == 1)

		props->gid_tbl_len = 16;



	return 0;

}



enum rdma_link_layer mana_ib_get_link_layer(struct ib_device *device, u32 port_num)

{

	return IB_LINK_LAYER_ETHERNET;

}



int mana_ib_query_pkey(struct ib_device *ibdev, u32 port, u16 index, u16 *pkey)

{

	if (index != 0)

		return -EINVAL;

	*pkey = IB_DEFAULT_PKEY_FULL;

	return 0;

}

drivers/infiniband/hw/mana/mana_ib.h

+4 −0
Original line number Diff line number Diff line
@@ -266,4 +266,8 @@ void mana_ib_destroy_eqs(struct mana_ib_dev *mdev); 
int mana_ib_gd_create_rnic_adapter(struct mana_ib_dev *mdev);



int mana_ib_gd_destroy_rnic_adapter(struct mana_ib_dev *mdev);



int mana_ib_query_pkey(struct ib_device *ibdev, u32 port, u16 index, u16 *pkey);



enum rdma_link_layer mana_ib_get_link_layer(struct ib_device *device, u32 port_num);

#endif