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net/mlx4_core: Dynamically allocate structs at mlx4_slave_cap

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In order to avoid temporary large structs on the stack,
allocate them dynamically.

Signed-off-by: Eran Ben Elisha <eranbe@mellanox.com>
Signed-off-by: Tal Alon <talal@mellanox.com>
Signed-off-by: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Eran Ben Elisha 2017-08-28 16:38:20 +03:00 committed by David S. Miller
parent b74fd306ef
commit c73c8b1e47
6 changed files with 157 additions and 156 deletions
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26
drivers/infiniband/hw/mlx4/qp.c
View File

@ -145,8 +145,8 @@ static int is_sqp(struct mlx4_ib_dev *dev, struct mlx4_ib_qp *qp)
/* VF or PF -- proxy SQP */
if (mlx4_is_mfunc(dev->dev)) {
for (i = 0; i < dev->dev->caps.num_ports; i++) {
if (qp->mqp.qpn == dev->dev->caps.qp0_proxy[i] ||
qp->mqp.qpn == dev->dev->caps.qp1_proxy[i]) {
if (qp->mqp.qpn == dev->dev->caps.spec_qps[i].qp0_proxy ||
qp->mqp.qpn == dev->dev->caps.spec_qps[i].qp1_proxy) {
proxy_sqp = 1;
break;
}
@ -173,7 +173,7 @@ static int is_qp0(struct mlx4_ib_dev *dev, struct mlx4_ib_qp *qp)
/* VF or PF -- proxy QP0 */
if (mlx4_is_mfunc(dev->dev)) {
for (i = 0; i < dev->dev->caps.num_ports; i++) {
if (qp->mqp.qpn == dev->dev->caps.qp0_proxy[i]) {
if (qp->mqp.qpn == dev->dev->caps.spec_qps[i].qp0_proxy) {
proxy_qp0 = 1;
break;
}
@ -614,8 +614,8 @@ static int qp0_enabled_vf(struct mlx4_dev *dev, int qpn)
{
int i;
for (i = 0; i < dev->caps.num_ports; i++) {
if (qpn == dev->caps.qp0_proxy[i])
return !!dev->caps.qp0_qkey[i];
if (qpn == dev->caps.spec_qps[i].qp0_proxy)
return !!dev->caps.spec_qps[i].qp0_qkey;
}
return 0;
}
@ -1114,9 +1114,9 @@ static u32 get_sqp_num(struct mlx4_ib_dev *dev, struct ib_qp_init_attr *attr)
}
/* PF or VF -- creating proxies */
if (attr->qp_type == IB_QPT_SMI)
return dev->dev->caps.qp0_proxy[attr->port_num - 1];
return dev->dev->caps.spec_qps[attr->port_num - 1].qp0_proxy;
else
return dev->dev->caps.qp1_proxy[attr->port_num - 1];
return dev->dev->caps.spec_qps[attr->port_num - 1].qp1_proxy;
}
static struct ib_qp *_mlx4_ib_create_qp(struct ib_pd *pd,
@ -2277,9 +2277,9 @@ static int vf_get_qp0_qkey(struct mlx4_dev *dev, int qpn, u32 *qkey)
{
int i;
for (i = 0; i < dev->caps.num_ports; i++) {
if (qpn == dev->caps.qp0_proxy[i] ||
qpn == dev->caps.qp0_tunnel[i]) {
*qkey = dev->caps.qp0_qkey[i];
if (qpn == dev->caps.spec_qps[i].qp0_proxy ||
qpn == dev->caps.spec_qps[i].qp0_tunnel) {
*qkey = dev->caps.spec_qps[i].qp0_qkey;
return 0;
}
}
@ -2340,7 +2340,7 @@ static int build_sriov_qp0_header(struct mlx4_ib_sqp *sqp,
sqp->ud_header.bth.destination_qpn = cpu_to_be32(wr->remote_qpn);
else
sqp->ud_header.bth.destination_qpn =
cpu_to_be32(mdev->dev->caps.qp0_tunnel[sqp->qp.port - 1]);
cpu_to_be32(mdev->dev->caps.spec_qps[sqp->qp.port - 1].qp0_tunnel);
sqp->ud_header.bth.psn = cpu_to_be32((sqp->send_psn++) & ((1 << 24) - 1));
if (mlx4_is_master(mdev->dev)) {
@ -2800,9 +2800,9 @@ static void set_tunnel_datagram_seg(struct mlx4_ib_dev *dev,
memcpy(dseg->av, &sqp_av, sizeof (struct mlx4_av));
if (qpt == MLX4_IB_QPT_PROXY_GSI)
dseg->dqpn = cpu_to_be32(dev->dev->caps.qp1_tunnel[port - 1]);
dseg->dqpn = cpu_to_be32(dev->dev->caps.spec_qps[port - 1].qp1_tunnel);
else
dseg->dqpn = cpu_to_be32(dev->dev->caps.qp0_tunnel[port - 1]);
dseg->dqpn = cpu_to_be32(dev->dev->caps.spec_qps[port - 1].qp0_tunnel);
/* Use QKEY from the QP context, which is set by master */
dseg->qkey = cpu_to_be32(IB_QP_SET_QKEY);
}

12
drivers/net/ethernet/mellanox/mlx4/fw.c
View File

@ -679,22 +679,22 @@ int mlx4_QUERY_FUNC_CAP(struct mlx4_dev *dev, u8 gen_or_port,
if (func_cap->flags1 & QUERY_FUNC_CAP_VF_ENABLE_QP0) {
MLX4_GET(qkey, outbox, QUERY_FUNC_CAP_PRIV_VF_QKEY_OFFSET);
func_cap->qp0_qkey = qkey;
func_cap->spec_qps.qp0_qkey = qkey;
} else {
func_cap->qp0_qkey = 0;
func_cap->spec_qps.qp0_qkey = 0;
}
MLX4_GET(size, outbox, QUERY_FUNC_CAP_QP0_TUNNEL);
func_cap->qp0_tunnel_qpn = size & 0xFFFFFF;
func_cap->spec_qps.qp0_tunnel = size & 0xFFFFFF;
MLX4_GET(size, outbox, QUERY_FUNC_CAP_QP0_PROXY);
func_cap->qp0_proxy_qpn = size & 0xFFFFFF;
func_cap->spec_qps.qp0_proxy = size & 0xFFFFFF;
MLX4_GET(size, outbox, QUERY_FUNC_CAP_QP1_TUNNEL);
func_cap->qp1_tunnel_qpn = size & 0xFFFFFF;
func_cap->spec_qps.qp1_tunnel = size & 0xFFFFFF;
MLX4_GET(size, outbox, QUERY_FUNC_CAP_QP1_PROXY);
func_cap->qp1_proxy_qpn = size & 0xFFFFFF;
func_cap->spec_qps.qp1_proxy = size & 0xFFFFFF;
if (func_cap->flags1 & QUERY_FUNC_CAP_FLAGS1_NIC_INFO)
MLX4_GET(func_cap->phys_port_id, outbox,

6
drivers/net/ethernet/mellanox/mlx4/fw.h
View File

@ -144,11 +144,7 @@ struct mlx4_func_cap {
int max_eq;
int reserved_eq;
int mcg_quota;
u32 qp0_qkey;
u32 qp0_tunnel_qpn;
u32 qp0_proxy_qpn;
u32 qp1_tunnel_qpn;
u32 qp1_proxy_qpn;
struct mlx4_spec_qps spec_qps;
u32 reserved_lkey;
u8 physical_port;
u8 flags0;

231
drivers/net/ethernet/mellanox/mlx4/main.c
View File

@ -819,38 +819,93 @@ static void slave_adjust_steering_mode(struct mlx4_dev *dev,
mlx4_steering_mode_str(dev->caps.steering_mode));
}
static void mlx4_slave_destroy_special_qp_cap(struct mlx4_dev *dev)
{
kfree(dev->caps.spec_qps);
dev->caps.spec_qps = NULL;
}
static int mlx4_slave_special_qp_cap(struct mlx4_dev *dev)
{
struct mlx4_func_cap *func_cap = NULL;
struct mlx4_caps *caps = &dev->caps;
int i, err = 0;
func_cap = kzalloc(sizeof(*func_cap), GFP_KERNEL);
caps->spec_qps = kcalloc(caps->num_ports, sizeof(*caps->spec_qps), GFP_KERNEL);
if (!func_cap || !caps->spec_qps) {
mlx4_err(dev, "Failed to allocate memory for special qps cap\n");
err = -ENOMEM;
goto err_mem;
}
for (i = 1; i <= caps->num_ports; ++i) {
err = mlx4_QUERY_FUNC_CAP(dev, i, func_cap);
if (err) {
mlx4_err(dev, "QUERY_FUNC_CAP port command failed for port %d, aborting (%d)\n",
i, err);
goto err_mem;
}
caps->spec_qps[i - 1] = func_cap->spec_qps;
caps->port_mask[i] = caps->port_type[i];
caps->phys_port_id[i] = func_cap->phys_port_id;
err = mlx4_get_slave_pkey_gid_tbl_len(dev, i,
&caps->gid_table_len[i],
&caps->pkey_table_len[i]);
if (err) {
mlx4_err(dev, "QUERY_PORT command failed for port %d, aborting (%d)\n",
i, err);
goto err_mem;
}
}
err_mem:
if (err)
mlx4_slave_destroy_special_qp_cap(dev);
kfree(func_cap);
return err;
}
static int mlx4_slave_cap(struct mlx4_dev *dev)
{
int err;
u32 page_size;
struct mlx4_dev_cap dev_cap;
struct mlx4_func_cap func_cap;
struct mlx4_init_hca_param hca_param;
u8 i;
struct mlx4_dev_cap *dev_cap = NULL;
struct mlx4_func_cap *func_cap = NULL;
struct mlx4_init_hca_param *hca_param = NULL;
memset(&hca_param, 0, sizeof(hca_param));
err = mlx4_QUERY_HCA(dev, &hca_param);
hca_param = kzalloc(sizeof(*hca_param), GFP_KERNEL);
func_cap = kzalloc(sizeof(*func_cap), GFP_KERNEL);
dev_cap = kzalloc(sizeof(*dev_cap), GFP_KERNEL);
if (!hca_param || !func_cap || !dev_cap) {
mlx4_err(dev, "Failed to allocate memory for slave_cap\n");
err = -ENOMEM;
goto free_mem;
}
err = mlx4_QUERY_HCA(dev, hca_param);
if (err) {
mlx4_err(dev, "QUERY_HCA command failed, aborting\n");
return err;
goto free_mem;
}
/* fail if the hca has an unknown global capability
* at this time global_caps should be always zeroed
*/
if (hca_param.global_caps) {
if (hca_param->global_caps) {
mlx4_err(dev, "Unknown hca global capabilities\n");
return -EINVAL;
err = -EINVAL;
goto free_mem;
}
dev->caps.hca_core_clock = hca_param.hca_core_clock;
dev->caps.hca_core_clock = hca_param->hca_core_clock;
memset(&dev_cap, 0, sizeof(dev_cap));
dev->caps.max_qp_dest_rdma = 1 << hca_param.log_rd_per_qp;
err = mlx4_dev_cap(dev, &dev_cap);
dev->caps.max_qp_dest_rdma = 1 << hca_param->log_rd_per_qp;
err = mlx4_dev_cap(dev, dev_cap);
if (err) {
mlx4_err(dev, "QUERY_DEV_CAP command failed, aborting\n");
return err;
goto free_mem;
}
err = mlx4_QUERY_FW(dev);
@ -862,21 +917,23 @@ static int mlx4_slave_cap(struct mlx4_dev *dev)
if (page_size > PAGE_SIZE) {
mlx4_err(dev, "HCA minimum page size of %d bigger than kernel PAGE_SIZE of %ld, aborting\n",
page_size, PAGE_SIZE);
return -ENODEV;
err = -ENODEV;
goto free_mem;
}
/* Set uar_page_shift for VF */
dev->uar_page_shift = hca_param.uar_page_sz + 12;
dev->uar_page_shift = hca_param->uar_page_sz + 12;
/* Make sure the master uar page size is valid */
if (dev->uar_page_shift > PAGE_SHIFT) {
mlx4_err(dev,
"Invalid configuration: uar page size is larger than system page size\n");
return -ENODEV;
err = -ENODEV;
goto free_mem;
}
/* Set reserved_uars based on the uar_page_shift */
mlx4_set_num_reserved_uars(dev, &dev_cap);
mlx4_set_num_reserved_uars(dev, dev_cap);
/* Although uar page size in FW differs from system page size,
* upper software layers (mlx4_ib, mlx4_en and part of mlx4_core)
@ -884,34 +941,35 @@ static int mlx4_slave_cap(struct mlx4_dev *dev)
*/
dev->caps.uar_page_size = PAGE_SIZE;
memset(&func_cap, 0, sizeof(func_cap));
err = mlx4_QUERY_FUNC_CAP(dev, 0, &func_cap);
err = mlx4_QUERY_FUNC_CAP(dev, 0, func_cap);
if (err) {
mlx4_err(dev, "QUERY_FUNC_CAP general command failed, aborting (%d)\n",
err);
return err;
goto free_mem;
}
if ((func_cap.pf_context_behaviour | PF_CONTEXT_BEHAVIOUR_MASK) !=
if ((func_cap->pf_context_behaviour | PF_CONTEXT_BEHAVIOUR_MASK) !=
PF_CONTEXT_BEHAVIOUR_MASK) {
mlx4_err(dev, "Unknown pf context behaviour %x known flags %x\n",
func_cap.pf_context_behaviour, PF_CONTEXT_BEHAVIOUR_MASK);
return -EINVAL;
func_cap->pf_context_behaviour,
PF_CONTEXT_BEHAVIOUR_MASK);
err = -EINVAL;
goto free_mem;
}
dev->caps.num_ports = func_cap.num_ports;
dev->quotas.qp = func_cap.qp_quota;
dev->quotas.srq = func_cap.srq_quota;
dev->quotas.cq = func_cap.cq_quota;
dev->quotas.mpt = func_cap.mpt_quota;
dev->quotas.mtt = func_cap.mtt_quota;
dev->caps.num_qps = 1 << hca_param.log_num_qps;
dev->caps.num_srqs = 1 << hca_param.log_num_srqs;
dev->caps.num_cqs = 1 << hca_param.log_num_cqs;
dev->caps.num_mpts = 1 << hca_param.log_mpt_sz;
dev->caps.num_eqs = func_cap.max_eq;
dev->caps.reserved_eqs = func_cap.reserved_eq;
dev->caps.reserved_lkey = func_cap.reserved_lkey;
dev->caps.num_ports = func_cap->num_ports;
dev->quotas.qp = func_cap->qp_quota;
dev->quotas.srq = func_cap->srq_quota;
dev->quotas.cq = func_cap->cq_quota;
dev->quotas.mpt = func_cap->mpt_quota;
dev->quotas.mtt = func_cap->mtt_quota;
dev->caps.num_qps = 1 << hca_param->log_num_qps;
dev->caps.num_srqs = 1 << hca_param->log_num_srqs;
dev->caps.num_cqs = 1 << hca_param->log_num_cqs;
dev->caps.num_mpts = 1 << hca_param->log_mpt_sz;
dev->caps.num_eqs = func_cap->max_eq;
dev->caps.reserved_eqs = func_cap->reserved_eq;
dev->caps.reserved_lkey = func_cap->reserved_lkey;
dev->caps.num_pds = MLX4_NUM_PDS;
dev->caps.num_mgms = 0;
dev->caps.num_amgms = 0;
@ -924,38 +982,10 @@ static int mlx4_slave_cap(struct mlx4_dev *dev)
mlx4_replace_zero_macs(dev);
dev->caps.qp0_qkey = kcalloc(dev->caps.num_ports, sizeof(u32), GFP_KERNEL);
dev->caps.qp0_tunnel = kcalloc(dev->caps.num_ports, sizeof(u32), GFP_KERNEL);
dev->caps.qp0_proxy = kcalloc(dev->caps.num_ports, sizeof(u32), GFP_KERNEL);
dev->caps.qp1_tunnel = kcalloc(dev->caps.num_ports, sizeof(u32), GFP_KERNEL);
dev->caps.qp1_proxy = kcalloc(dev->caps.num_ports, sizeof(u32), GFP_KERNEL);
if (!dev->caps.qp0_tunnel || !dev->caps.qp0_proxy ||
!dev->caps.qp1_tunnel || !dev->caps.qp1_proxy ||
!dev->caps.qp0_qkey) {
err = -ENOMEM;
goto err_mem;
}
for (i = 1; i <= dev->caps.num_ports; ++i) {
err = mlx4_QUERY_FUNC_CAP(dev, i, &func_cap);
if (err) {
mlx4_err(dev, "QUERY_FUNC_CAP port command failed for port %d, aborting (%d)\n",
i, err);
goto err_mem;
}
dev->caps.qp0_qkey[i - 1] = func_cap.qp0_qkey;
dev->caps.qp0_tunnel[i - 1] = func_cap.qp0_tunnel_qpn;
dev->caps.qp0_proxy[i - 1] = func_cap.qp0_proxy_qpn;
dev->caps.qp1_tunnel[i - 1] = func_cap.qp1_tunnel_qpn;
dev->caps.qp1_proxy[i - 1] = func_cap.qp1_proxy_qpn;
dev->caps.port_mask[i] = dev->caps.port_type[i];
dev->caps.phys_port_id[i] = func_cap.phys_port_id;
err = mlx4_get_slave_pkey_gid_tbl_len(dev, i,
&dev->caps.gid_table_len[i],
&dev->caps.pkey_table_len[i]);
if (err)
goto err_mem;
err = mlx4_slave_special_qp_cap(dev);
if (err) {
mlx4_err(dev, "Set special QP caps failed. aborting\n");
goto free_mem;
}
if (dev->caps.uar_page_size * (dev->caps.num_uars -
@ -970,7 +1000,7 @@ static int mlx4_slave_cap(struct mlx4_dev *dev)
goto err_mem;
}
if (hca_param.dev_cap_enabled & MLX4_DEV_CAP_64B_EQE_ENABLED) {
if (hca_param->dev_cap_enabled & MLX4_DEV_CAP_64B_EQE_ENABLED) {
dev->caps.eqe_size = 64;
dev->caps.eqe_factor = 1;
} else {
@ -978,20 +1008,20 @@ static int mlx4_slave_cap(struct mlx4_dev *dev)
dev->caps.eqe_factor = 0;
}
if (hca_param.dev_cap_enabled & MLX4_DEV_CAP_64B_CQE_ENABLED) {
if (hca_param->dev_cap_enabled & MLX4_DEV_CAP_64B_CQE_ENABLED) {
dev->caps.cqe_size = 64;
dev->caps.userspace_caps |= MLX4_USER_DEV_CAP_LARGE_CQE;
} else {
dev->caps.cqe_size = 32;
}
if (hca_param.dev_cap_enabled & MLX4_DEV_CAP_EQE_STRIDE_ENABLED) {
dev->caps.eqe_size = hca_param.eqe_size;
if (hca_param->dev_cap_enabled & MLX4_DEV_CAP_EQE_STRIDE_ENABLED) {
dev->caps.eqe_size = hca_param->eqe_size;
dev->caps.eqe_factor = 0;
}
if (hca_param.dev_cap_enabled & MLX4_DEV_CAP_CQE_STRIDE_ENABLED) {
dev->caps.cqe_size = hca_param.cqe_size;
if (hca_param->dev_cap_enabled & MLX4_DEV_CAP_CQE_STRIDE_ENABLED) {
dev->caps.cqe_size = hca_param->cqe_size;
/* User still need to know when CQE > 32B */
dev->caps.userspace_caps |= MLX4_USER_DEV_CAP_LARGE_CQE;
}
@ -999,31 +1029,24 @@ static int mlx4_slave_cap(struct mlx4_dev *dev)
dev->caps.flags2 &= ~MLX4_DEV_CAP_FLAG2_TS;
mlx4_warn(dev, "Timestamping is not supported in slave mode\n");
slave_adjust_steering_mode(dev, &dev_cap, &hca_param);
slave_adjust_steering_mode(dev, dev_cap, hca_param);
mlx4_dbg(dev, "RSS support for IP fragments is %s\n",
hca_param.rss_ip_frags ? "on" : "off");
hca_param->rss_ip_frags ? "on" : "off");
if (func_cap.extra_flags & MLX4_QUERY_FUNC_FLAGS_BF_RES_QP &&
if (func_cap->extra_flags & MLX4_QUERY_FUNC_FLAGS_BF_RES_QP &&
dev->caps.bf_reg_size)
dev->caps.alloc_res_qp_mask |= MLX4_RESERVE_ETH_BF_QP;
if (func_cap.extra_flags & MLX4_QUERY_FUNC_FLAGS_A0_RES_QP)
if (func_cap->extra_flags & MLX4_QUERY_FUNC_FLAGS_A0_RES_QP)
dev->caps.alloc_res_qp_mask |= MLX4_RESERVE_A0_QP;
return 0;
err_mem:
kfree(dev->caps.qp0_qkey);
kfree(dev->caps.qp0_tunnel);
kfree(dev->caps.qp0_proxy);
kfree(dev->caps.qp1_tunnel);
kfree(dev->caps.qp1_proxy);
dev->caps.qp0_qkey = NULL;
dev->caps.qp0_tunnel = NULL;
dev->caps.qp0_proxy = NULL;
dev->caps.qp1_tunnel = NULL;
dev->caps.qp1_proxy = NULL;
if (err)
mlx4_slave_destroy_special_qp_cap(dev);
free_mem:
kfree(hca_param);
kfree(func_cap);
kfree(dev_cap);
return err;
}
@ -2407,13 +2430,8 @@ unmap_bf:
unmap_internal_clock(dev);
unmap_bf_area(dev);
if (mlx4_is_slave(dev)) {
kfree(dev->caps.qp0_qkey);
kfree(dev->caps.qp0_tunnel);
kfree(dev->caps.qp0_proxy);
kfree(dev->caps.qp1_tunnel);
kfree(dev->caps.qp1_proxy);
}
if (mlx4_is_slave(dev))
mlx4_slave_destroy_special_qp_cap(dev);
err_close:
if (mlx4_is_slave(dev))
@ -3596,13 +3614,8 @@ err_master_mfunc:
mlx4_multi_func_cleanup(dev);
}
if (mlx4_is_slave(dev)) {
kfree(dev->caps.qp0_qkey);
kfree(dev->caps.qp0_tunnel);
kfree(dev->caps.qp0_proxy);
kfree(dev->caps.qp1_tunnel);
kfree(dev->caps.qp1_proxy);
}
if (mlx4_is_slave(dev))
mlx4_slave_destroy_special_qp_cap(dev);
err_close:
mlx4_close_hca(dev);
@ -3942,11 +3955,7 @@ static void mlx4_unload_one(struct pci_dev *pdev)
if (!mlx4_is_slave(dev))
mlx4_free_ownership(dev);
kfree(dev->caps.qp0_qkey);
kfree(dev->caps.qp0_tunnel);
kfree(dev->caps.qp0_proxy);
kfree(dev->caps.qp1_tunnel);
kfree(dev->caps.qp1_proxy);
mlx4_slave_destroy_special_qp_cap(dev);
kfree(dev->dev_vfs);
mlx4_clean_dev(dev);

24
drivers/net/ethernet/mellanox/mlx4/qp.c
View File

@ -844,24 +844,20 @@ int mlx4_init_qp_table(struct mlx4_dev *dev)
/* In mfunc, calculate proxy and tunnel qp offsets for the PF here,
* since the PF does not call mlx4_slave_caps */
dev->caps.qp0_tunnel = kcalloc(dev->caps.num_ports, sizeof(u32), GFP_KERNEL);
dev->caps.qp0_proxy = kcalloc(dev->caps.num_ports, sizeof(u32), GFP_KERNEL);
dev->caps.qp1_tunnel = kcalloc(dev->caps.num_ports, sizeof(u32), GFP_KERNEL);
dev->caps.qp1_proxy = kcalloc(dev->caps.num_ports, sizeof(u32), GFP_KERNEL);
dev->caps.spec_qps = kcalloc(dev->caps.num_ports, sizeof(dev->caps.spec_qps), GFP_KERNEL);
if (!dev->caps.qp0_tunnel || !dev->caps.qp0_proxy ||
!dev->caps.qp1_tunnel || !dev->caps.qp1_proxy) {
if (!dev->caps.spec_qps) {
err = -ENOMEM;
goto err_mem;
}
for (k = 0; k < dev->caps.num_ports; k++) {
dev->caps.qp0_proxy[k] = dev->phys_caps.base_proxy_sqpn +
dev->caps.spec_qps[k].qp0_proxy = dev->phys_caps.base_proxy_sqpn +
8 * mlx4_master_func_num(dev) + k;
dev->caps.qp0_tunnel[k] = dev->caps.qp0_proxy[k] + 8 * MLX4_MFUNC_MAX;
dev->caps.qp1_proxy[k] = dev->phys_caps.base_proxy_sqpn +
dev->caps.spec_qps[k].qp0_tunnel = dev->caps.spec_qps[k].qp0_proxy + 8 * MLX4_MFUNC_MAX;
dev->caps.spec_qps[k].qp1_proxy = dev->phys_caps.base_proxy_sqpn +
8 * mlx4_master_func_num(dev) + MLX4_MAX_PORTS + k;
dev->caps.qp1_tunnel[k] = dev->caps.qp1_proxy[k] + 8 * MLX4_MFUNC_MAX;
dev->caps.spec_qps[k].qp1_tunnel = dev->caps.spec_qps[k].qp1_proxy + 8 * MLX4_MFUNC_MAX;
}
}
@ -873,12 +869,8 @@ int mlx4_init_qp_table(struct mlx4_dev *dev)
return err;
err_mem:
kfree(dev->caps.qp0_tunnel);
kfree(dev->caps.qp0_proxy);
kfree(dev->caps.qp1_tunnel);
kfree(dev->caps.qp1_proxy);
dev->caps.qp0_tunnel = dev->caps.qp0_proxy =
dev->caps.qp1_tunnel = dev->caps.qp1_proxy = NULL;
kfree(dev->caps.spec_qps);
dev->caps.spec_qps = NULL;
mlx4_cleanup_qp_zones(dev);
return err;
}

14
include/linux/mlx4/device.h
View File

@ -518,6 +518,14 @@ struct mlx4_phys_caps {
u32 base_tunnel_sqpn;
};
struct mlx4_spec_qps {
u32 qp0_qkey;
u32 qp0_proxy;
u32 qp0_tunnel;
u32 qp1_proxy;
u32 qp1_tunnel;
};
struct mlx4_caps {
u64 fw_ver;
u32 function;
@ -547,11 +555,7 @@ struct mlx4_caps {
int max_qp_init_rdma;
int max_qp_dest_rdma;
int max_tc_eth;
u32 *qp0_qkey;
u32 *qp0_proxy;
u32 *qp1_proxy;
u32 *qp0_tunnel;
u32 *qp1_tunnel;
struct mlx4_spec_qps *spec_qps;
int num_srqs;
int max_srq_wqes;
int max_srq_sge;