Merge branch 'mlx4'

Or Gerlitz says:

====================
mlx4 fixes for 4.1-rc2

Eran's fix is for a small off-by-one introduces on 4.1-rc1.

Yisahi fixes an issue with comes into play only on VMs with
many (> 256) vCPUs.
====================

Signed-off-by: David S. Miller <[email protected]>

Author: davem330

drivers/net/ethernet/mellanox/mlx4/en_port.c

@@ -139,7 +139,7 @@ static unsigned long en_stats_adder(__be64 *start, __be64 *next, int num)
 	int i;
 	int offset = next - start;
 
-	for (i = 0; i <= num; i++) {
+	for (i = 0; i < num; i++) {
 		ret += be64_to_cpu(*curr);
 		curr += offset;
 	}

drivers/net/ethernet/mellanox/mlx4/resource_tracker.c

@@ -2845,7 +2845,7 @@ int mlx4_SW2HW_EQ_wrapper(struct mlx4_dev *dev, int slave,
 {
 	int err;
 	int eqn = vhcr->in_modifier;
-	int res_id = (slave << 8) | eqn;
+	int res_id = (slave << 10) | eqn;
 	struct mlx4_eq_context *eqc = inbox->buf;
 	int mtt_base = eq_get_mtt_addr(eqc) / dev->caps.mtt_entry_sz;
 	int mtt_size = eq_get_mtt_size(eqc);
@@ -3051,7 +3051,7 @@ int mlx4_HW2SW_EQ_wrapper(struct mlx4_dev *dev, int slave,
 			  struct mlx4_cmd_info *cmd)
 {
 	int eqn = vhcr->in_modifier;
-	int res_id = eqn | (slave << 8);
+	int res_id = eqn | (slave << 10);
 	struct res_eq *eq;
 	int err;
 
@@ -3108,7 +3108,7 @@ int mlx4_GEN_EQE(struct mlx4_dev *dev, int slave, struct mlx4_eqe *eqe)
 		return 0;
 
 	mutex_lock(&priv->mfunc.master.gen_eqe_mutex[slave]);
-	res_id = (slave << 8) | event_eq->eqn;
+	res_id = (slave << 10) | event_eq->eqn;
 	err = get_res(dev, slave, res_id, RES_EQ, &req);
 	if (err)
 		goto unlock;
@@ -3131,7 +3131,7 @@ int mlx4_GEN_EQE(struct mlx4_dev *dev, int slave, struct mlx4_eqe *eqe)
 
 	memcpy(mailbox->buf, (u8 *) eqe, 28);
 
-	in_modifier = (slave & 0xff) | ((event_eq->eqn & 0xff) << 16);
+	in_modifier = (slave & 0xff) | ((event_eq->eqn & 0x3ff) << 16);
 
 	err = mlx4_cmd(dev, mailbox->dma, in_modifier, 0,
 		       MLX4_CMD_GEN_EQE, MLX4_CMD_TIME_CLASS_B,
@@ -3157,7 +3157,7 @@ int mlx4_QUERY_EQ_wrapper(struct mlx4_dev *dev, int slave,
 			  struct mlx4_cmd_info *cmd)
 {
 	int eqn = vhcr->in_modifier;
-	int res_id = eqn | (slave << 8);
+	int res_id = eqn | (slave << 10);
 	struct res_eq *eq;
 	int err;
 
@@ -4714,13 +4714,13 @@ static void rem_slave_eqs(struct mlx4_dev *dev, int slave)
 					break;
 
 				case RES_EQ_HW:
-					err = mlx4_cmd(dev, slave, eqn & 0xff,
+					err = mlx4_cmd(dev, slave, eqn & 0x3ff,
 						       1, MLX4_CMD_HW2SW_EQ,
 						       MLX4_CMD_TIME_CLASS_A,
 						       MLX4_CMD_NATIVE);
 					if (err)
 						mlx4_dbg(dev, "rem_slave_eqs: failed to move slave %d eqs %d to SW ownership\n",
-							 slave, eqn);
+							 slave, eqn & 0x3ff);
 					atomic_dec(&eq->mtt->ref_count);
 					state = RES_EQ_RESERVED;
 					break;