Commit d70f30ce authored by Junxian Huang's avatar Junxian Huang Committed by Leon Romanovsky
Browse files

RDMA/hns: Support reset recovery for bond 



Re-set bond configuration to HW after HW reset.

Signed-off-by: default avatarJunxian Huang <huangjunxian6@hisilicon.com>
Link: https://patch.msgid.link/20251112093510.3696363-9-huangjunxian6@hisilicon.com


Signed-off-by: default avatarLeon Romanovsky <leon@kernel.org>
parent e72d274f

drivers/infiniband/hw/hns/hns_roce_bond.c

+20 −0
Original line number Diff line number Diff line
@@ -160,6 +160,15 @@ static void hns_roce_bond_get_active_slave(struct hns_roce_bond_group *bond_grp) 
	bond_grp->active_slave_map = active_slave_map;

}



static int hns_roce_recover_bond(struct hns_roce_bond_group *bond_grp,

				 struct hns_roce_dev *hr_dev)

{

	bond_grp->main_hr_dev = hr_dev;

	hns_roce_bond_get_active_slave(bond_grp);



	return hns_roce_cmd_bond(bond_grp, HNS_ROCE_SET_BOND);

}



static void hns_roce_slave_uninit(struct hns_roce_bond_group *bond_grp,

				  u8 func_idx)

{
@@ -918,11 +927,22 @@ void hns_roce_dealloc_bond_grp(void) 
int hns_roce_bond_init(struct hns_roce_dev *hr_dev)

{

	struct net_device *net_dev = get_hr_netdev(hr_dev, 0);

	struct hns_roce_v2_priv *priv = hr_dev->priv;

	struct hns_roce_bond_group *bond_grp;

	u8 bus_num = get_hr_bus_num(hr_dev);

	int ret;



	bond_grp = hns_roce_get_bond_grp(net_dev, bus_num);



	if (priv->handle->rinfo.reset_state == HNS_ROCE_STATE_RST_INIT) {

		ret = hns_roce_recover_bond(bond_grp, hr_dev);

		if (ret) {

			dev_err(hr_dev->dev,

				"failed to recover RoCE bond, ret = %d.\n", ret);

			return ret;

		}

	}



	return hns_roce_set_bond_netdev(bond_grp, hr_dev);

}