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path: root/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c
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Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx4/resource_tracker.c')
-rw-r--r--drivers/net/ethernet/mellanox/mlx4/resource_tracker.c93
1 files changed, 78 insertions, 15 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c b/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c
index b05705f50f0..083fb48dc3d 100644
--- a/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c
+++ b/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c
@@ -1231,14 +1231,14 @@ static int mpt_alloc_res(struct mlx4_dev *dev, int slave, int op, int cmd,
switch (op) {
case RES_OP_RESERVE:
- index = __mlx4_mr_reserve(dev);
+ index = __mlx4_mpt_reserve(dev);
if (index == -1)
break;
id = index & mpt_mask(dev);
err = add_res_range(dev, slave, id, 1, RES_MPT, index);
if (err) {
- __mlx4_mr_release(dev, index);
+ __mlx4_mpt_release(dev, index);
break;
}
set_param_l(out_param, index);
@@ -1251,7 +1251,7 @@ static int mpt_alloc_res(struct mlx4_dev *dev, int slave, int op, int cmd,
if (err)
return err;
- err = __mlx4_mr_alloc_icm(dev, mpt->key);
+ err = __mlx4_mpt_alloc_icm(dev, mpt->key);
if (err) {
res_abort_move(dev, slave, RES_MPT, id);
return err;
@@ -1586,7 +1586,7 @@ static int mpt_free_res(struct mlx4_dev *dev, int slave, int op, int cmd,
err = rem_res_range(dev, slave, id, 1, RES_MPT, 0);
if (err)
break;
- __mlx4_mr_release(dev, index);
+ __mlx4_mpt_release(dev, index);
break;
case RES_OP_MAP_ICM:
index = get_param_l(&in_param);
@@ -1596,7 +1596,7 @@ static int mpt_free_res(struct mlx4_dev *dev, int slave, int op, int cmd,
if (err)
return err;
- __mlx4_mr_free_icm(dev, mpt->key);
+ __mlx4_mpt_free_icm(dev, mpt->key);
res_end_move(dev, slave, RES_MPT, id);
return err;
break;
@@ -1796,6 +1796,26 @@ static int mr_get_mtt_size(struct mlx4_mpt_entry *mpt)
return be32_to_cpu(mpt->mtt_sz);
}
+static u32 mr_get_pd(struct mlx4_mpt_entry *mpt)
+{
+ return be32_to_cpu(mpt->pd_flags) & 0x00ffffff;
+}
+
+static int mr_is_fmr(struct mlx4_mpt_entry *mpt)
+{
+ return be32_to_cpu(mpt->pd_flags) & MLX4_MPT_PD_FLAG_FAST_REG;
+}
+
+static int mr_is_bind_enabled(struct mlx4_mpt_entry *mpt)
+{
+ return be32_to_cpu(mpt->flags) & MLX4_MPT_FLAG_BIND_ENABLE;
+}
+
+static int mr_is_region(struct mlx4_mpt_entry *mpt)
+{
+ return be32_to_cpu(mpt->flags) & MLX4_MPT_FLAG_REGION;
+}
+
static int qp_get_mtt_addr(struct mlx4_qp_context *qpc)
{
return be32_to_cpu(qpc->mtt_base_addr_l) & 0xfffffff8;
@@ -1856,12 +1876,41 @@ int mlx4_SW2HW_MPT_wrapper(struct mlx4_dev *dev, int slave,
int mtt_base = mr_get_mtt_addr(inbox->buf) / dev->caps.mtt_entry_sz;
int phys;
int id;
+ u32 pd;
+ int pd_slave;
id = index & mpt_mask(dev);
err = mr_res_start_move_to(dev, slave, id, RES_MPT_HW, &mpt);
if (err)
return err;
+ /* Disable memory windows for VFs. */
+ if (!mr_is_region(inbox->buf)) {
+ err = -EPERM;
+ goto ex_abort;
+ }
+
+ /* Make sure that the PD bits related to the slave id are zeros. */
+ pd = mr_get_pd(inbox->buf);
+ pd_slave = (pd >> 17) & 0x7f;
+ if (pd_slave != 0 && pd_slave != slave) {
+ err = -EPERM;
+ goto ex_abort;
+ }
+
+ if (mr_is_fmr(inbox->buf)) {
+ /* FMR and Bind Enable are forbidden in slave devices. */
+ if (mr_is_bind_enabled(inbox->buf)) {
+ err = -EPERM;
+ goto ex_abort;
+ }
+ /* FMR and Memory Windows are also forbidden. */
+ if (!mr_is_region(inbox->buf)) {
+ err = -EPERM;
+ goto ex_abort;
+ }
+ }
+
phys = mr_phys_mpt(inbox->buf);
if (!phys) {
err = get_res(dev, slave, mtt_base, RES_MTT, &mtt);
@@ -3018,7 +3067,7 @@ static int add_eth_header(struct mlx4_dev *dev, int slave,
__be64 mac_msk = cpu_to_be64(MLX4_MAC_MASK << 16);
ctrl = (struct mlx4_net_trans_rule_hw_ctrl *)inbox->buf;
- port = be32_to_cpu(ctrl->vf_vep_port) & 0xff;
+ port = ctrl->port;
eth_header = (struct mlx4_net_trans_rule_hw_eth *)(ctrl + 1);
/* Clear a space in the inbox for eth header */
@@ -3071,6 +3120,7 @@ int mlx4_QP_FLOW_STEERING_ATTACH_wrapper(struct mlx4_dev *dev, int slave,
struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker;
struct list_head *rlist = &tracker->slave_list[slave].res_list[RES_MAC];
int err;
+ int qpn;
struct mlx4_net_trans_rule_hw_ctrl *ctrl;
struct _rule_hw *rule_header;
int header_id;
@@ -3080,13 +3130,21 @@ int mlx4_QP_FLOW_STEERING_ATTACH_wrapper(struct mlx4_dev *dev, int slave,
return -EOPNOTSUPP;
ctrl = (struct mlx4_net_trans_rule_hw_ctrl *)inbox->buf;
+ qpn = be32_to_cpu(ctrl->qpn) & 0xffffff;
+ err = get_res(dev, slave, qpn, RES_QP, NULL);
+ if (err) {
+ pr_err("Steering rule with qpn 0x%x rejected.\n", qpn);
+ return err;
+ }
rule_header = (struct _rule_hw *)(ctrl + 1);
header_id = map_hw_to_sw_id(be16_to_cpu(rule_header->id));
switch (header_id) {
case MLX4_NET_TRANS_RULE_ID_ETH:
- if (validate_eth_header_mac(slave, rule_header, rlist))
- return -EINVAL;
+ if (validate_eth_header_mac(slave, rule_header, rlist)) {
+ err = -EINVAL;
+ goto err_put;
+ }
break;
case MLX4_NET_TRANS_RULE_ID_IB:
break;
@@ -3094,14 +3152,17 @@ int mlx4_QP_FLOW_STEERING_ATTACH_wrapper(struct mlx4_dev *dev, int slave,
case MLX4_NET_TRANS_RULE_ID_TCP:
case MLX4_NET_TRANS_RULE_ID_UDP:
pr_warn("Can't attach FS rule without L2 headers, adding L2 header.\n");
- if (add_eth_header(dev, slave, inbox, rlist, header_id))
- return -EINVAL;
+ if (add_eth_header(dev, slave, inbox, rlist, header_id)) {
+ err = -EINVAL;
+ goto err_put;
+ }
vhcr->in_modifier +=
sizeof(struct mlx4_net_trans_rule_hw_eth) >> 2;
break;
default:
pr_err("Corrupted mailbox.\n");
- return -EINVAL;
+ err = -EINVAL;
+ goto err_put;
}
err = mlx4_cmd_imm(dev, inbox->dma, &vhcr->out_param,
@@ -3109,16 +3170,18 @@ int mlx4_QP_FLOW_STEERING_ATTACH_wrapper(struct mlx4_dev *dev, int slave,
MLX4_QP_FLOW_STEERING_ATTACH, MLX4_CMD_TIME_CLASS_A,
MLX4_CMD_NATIVE);
if (err)
- return err;
+ goto err_put;
err = add_res_range(dev, slave, vhcr->out_param, 1, RES_FS_RULE, 0);
if (err) {
mlx4_err(dev, "Fail to add flow steering resources.\n ");
/* detach rule*/
mlx4_cmd(dev, vhcr->out_param, 0, 0,
- MLX4_QP_FLOW_STEERING_ATTACH, MLX4_CMD_TIME_CLASS_A,
+ MLX4_QP_FLOW_STEERING_DETACH, MLX4_CMD_TIME_CLASS_A,
MLX4_CMD_NATIVE);
}
+err_put:
+ put_res(dev, slave, qpn, RES_QP);
return err;
}
@@ -3466,7 +3529,7 @@ static void rem_slave_mrs(struct mlx4_dev *dev, int slave)
while (state != 0) {
switch (state) {
case RES_MPT_RESERVED:
- __mlx4_mr_release(dev, mpt->key);
+ __mlx4_mpt_release(dev, mpt->key);
spin_lock_irq(mlx4_tlock(dev));
rb_erase(&mpt->com.node,
&tracker->res_tree[RES_MPT]);
@@ -3477,7 +3540,7 @@ static void rem_slave_mrs(struct mlx4_dev *dev, int slave)
break;
case RES_MPT_MAPPED:
- __mlx4_mr_free_icm(dev, mpt->key);
+ __mlx4_mpt_free_icm(dev, mpt->key);
state = RES_MPT_RESERVED;
break;
generated by cgit v1.2.3-70-g09d2 (git 2.51.2) at 2025-11-03 19:56:25 +0000