diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx4/Makefile | 5 | ||||
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx4/en_dcb_nl.c | 1 | ||||
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx4/fw_qos.c | 125 | ||||
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx4/fw_qos.h | 75 | ||||
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx4/mlx4.h | 15 | ||||
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx4/port.c | 71 |
6 files changed, 204 insertions, 88 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx4/Makefile b/drivers/net/ethernet/mellanox/mlx4/Makefile index 3e9c70f15b42..c82217e0d22d 100644 --- a/drivers/net/ethernet/mellanox/mlx4/Makefile +++ b/drivers/net/ethernet/mellanox/mlx4/Makefile @@ -1,7 +1,8 @@ obj-$(CONFIG_MLX4_CORE) += mlx4_core.o -mlx4_core-y := alloc.o catas.o cmd.o cq.o eq.o fw.o icm.o intf.o main.o mcg.o \ - mr.o pd.o port.o profile.o qp.o reset.o sense.o srq.o resource_tracker.o +mlx4_core-y := alloc.o catas.o cmd.o cq.o eq.o fw.o fw_qos.o icm.o intf.o \ + main.o mcg.o mr.o pd.o port.o profile.o qp.o reset.o sense.o \ + srq.o resource_tracker.o obj-$(CONFIG_MLX4_EN) += mlx4_en.o diff --git a/drivers/net/ethernet/mellanox/mlx4/en_dcb_nl.c b/drivers/net/ethernet/mellanox/mlx4/en_dcb_nl.c index 8e3260c0eaa5..f01918c63f28 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_dcb_nl.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_dcb_nl.c @@ -35,6 +35,7 @@ #include <linux/math64.h> #include "mlx4_en.h" +#include "fw_qos.h" /* Definitions for QCN */ diff --git a/drivers/net/ethernet/mellanox/mlx4/fw_qos.c b/drivers/net/ethernet/mellanox/mlx4/fw_qos.c new file mode 100644 index 000000000000..0f5af7cf4547 --- /dev/null +++ b/drivers/net/ethernet/mellanox/mlx4/fw_qos.c @@ -0,0 +1,125 @@ +/* + * Copyright (c) 2004, 2005 Topspin Communications. All rights reserved. + * Copyright (c) 2005, 2006, 2007, 2008 Mellanox Technologies. + * All rights reserved. + * + * This software is available to you under a choice of one of two + * licenses. You may choose to be licensed under the terms of the GNU + * General Public License (GPL) Version 2, available from the file + * COPYING in the main directory of this source tree, or the + * OpenIB.org BSD license below: + * + * Redistribution and use in source and binary forms, with or + * without modification, are permitted provided that the following + * conditions are met: + * + * - Redistributions of source code must retain the above + * copyright notice, this list of conditions and the following + * disclaimer. + * + * - Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and/or other materials + * provided with the distribution. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +#include <linux/export.h> +#include "fw_qos.h" + +struct mlx4_set_port_prio2tc_context { + u8 prio2tc[4]; +}; + +struct mlx4_port_scheduler_tc_cfg_be { + __be16 pg; + __be16 bw_precentage; + __be16 max_bw_units; /* 3-100Mbps, 4-1Gbps, other values - reserved */ + __be16 max_bw_value; +}; + +struct mlx4_set_port_scheduler_context { + struct mlx4_port_scheduler_tc_cfg_be tc[MLX4_NUM_TC]; +}; + +int mlx4_SET_PORT_PRIO2TC(struct mlx4_dev *dev, u8 port, u8 *prio2tc) +{ + struct mlx4_cmd_mailbox *mailbox; + struct mlx4_set_port_prio2tc_context *context; + int err; + u32 in_mod; + int i; + + mailbox = mlx4_alloc_cmd_mailbox(dev); + if (IS_ERR(mailbox)) + return PTR_ERR(mailbox); + + context = mailbox->buf; + + for (i = 0; i < MLX4_NUM_UP; i += 2) + context->prio2tc[i >> 1] = prio2tc[i] << 4 | prio2tc[i + 1]; + + in_mod = MLX4_SET_PORT_PRIO2TC << 8 | port; + err = mlx4_cmd(dev, mailbox->dma, in_mod, 1, MLX4_CMD_SET_PORT, + MLX4_CMD_TIME_CLASS_B, MLX4_CMD_NATIVE); + + mlx4_free_cmd_mailbox(dev, mailbox); + return err; +} +EXPORT_SYMBOL(mlx4_SET_PORT_PRIO2TC); + +int mlx4_SET_PORT_SCHEDULER(struct mlx4_dev *dev, u8 port, u8 *tc_tx_bw, + u8 *pg, u16 *ratelimit) +{ + struct mlx4_cmd_mailbox *mailbox; + struct mlx4_set_port_scheduler_context *context; + int err; + u32 in_mod; + int i; + + mailbox = mlx4_alloc_cmd_mailbox(dev); + if (IS_ERR(mailbox)) + return PTR_ERR(mailbox); + + context = mailbox->buf; + + for (i = 0; i < MLX4_NUM_TC; i++) { + struct mlx4_port_scheduler_tc_cfg_be *tc = &context->tc[i]; + u16 r; + + if (ratelimit && ratelimit[i]) { + if (ratelimit[i] <= MLX4_MAX_100M_UNITS_VAL) { + r = ratelimit[i]; + tc->max_bw_units = + htons(MLX4_RATELIMIT_100M_UNITS); + } else { + r = ratelimit[i] / 10; + tc->max_bw_units = + htons(MLX4_RATELIMIT_1G_UNITS); + } + tc->max_bw_value = htons(r); + } else { + tc->max_bw_value = htons(MLX4_RATELIMIT_DEFAULT); + tc->max_bw_units = htons(MLX4_RATELIMIT_1G_UNITS); + } + + tc->pg = htons(pg[i]); + tc->bw_precentage = htons(tc_tx_bw[i]); + } + + in_mod = MLX4_SET_PORT_SCHEDULER << 8 | port; + err = mlx4_cmd(dev, mailbox->dma, in_mod, 1, MLX4_CMD_SET_PORT, + MLX4_CMD_TIME_CLASS_B, MLX4_CMD_NATIVE); + + mlx4_free_cmd_mailbox(dev, mailbox); + return err; +} +EXPORT_SYMBOL(mlx4_SET_PORT_SCHEDULER); diff --git a/drivers/net/ethernet/mellanox/mlx4/fw_qos.h b/drivers/net/ethernet/mellanox/mlx4/fw_qos.h new file mode 100644 index 000000000000..ab9be0fad9c8 --- /dev/null +++ b/drivers/net/ethernet/mellanox/mlx4/fw_qos.h @@ -0,0 +1,75 @@ +/* + * Copyright (c) 2004, 2005 Topspin Communications. All rights reserved. + * Copyright (c) 2005, 2006, 2007, 2008 Mellanox Technologies. + * All rights reserved. + * + * This software is available to you under a choice of one of two + * licenses. You may choose to be licensed under the terms of the GNU + * General Public License (GPL) Version 2, available from the file + * COPYING in the main directory of this source tree, or the + * OpenIB.org BSD license below: + * + * Redistribution and use in source and binary forms, with or + * without modification, are permitted provided that the following + * conditions are met: + * + * - Redistributions of source code must retain the above + * copyright notice, this list of conditions and the following + * disclaimer. + * + * - Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and/or other materials + * provided with the distribution. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +#ifndef MLX4_FW_QOS_H +#define MLX4_FW_QOS_H + +#include <linux/mlx4/cmd.h> +#include <linux/mlx4/device.h> + +#define MLX4_NUM_UP 8 +#define MLX4_NUM_TC 8 + +/** + * mlx4_SET_PORT_PRIO2TC - This routine maps user priorities to traffic + * classes of a given port and device. + * + * @dev: mlx4_dev. + * @port: Physical port number. + * @prio2tc: Array of TC associated with each priorities. + * + * Returns 0 on success or a negative mlx4_core errno code. + **/ +int mlx4_SET_PORT_PRIO2TC(struct mlx4_dev *dev, u8 port, u8 *prio2tc); + +/** + * mlx4_SET_PORT_SCHEDULER - This routine configures the arbitration between + * traffic classes (ETS) and configured rate limit for traffic classes. + * tc_tx_bw, pg and ratelimit are arrays where each index represents a TC. + * The description for those parameters below refers to a single TC. + * + * @dev: mlx4_dev. + * @port: Physical port number. + * @tc_tx_bw: The percentage of the bandwidth allocated for traffic class + * within a TC group. The sum of the bw_percentage of all the traffic + * classes within a TC group must equal 100% for correct operation. + * @pg: The TC group the traffic class is associated with. + * @ratelimit: The maximal bandwidth allowed for the use by this traffic class. + * + * Returns 0 on success or a negative mlx4_core errno code. + **/ +int mlx4_SET_PORT_SCHEDULER(struct mlx4_dev *dev, u8 port, u8 *tc_tx_bw, + u8 *pg, u16 *ratelimit); + +#endif /* MLX4_FW_QOS_H */ diff --git a/drivers/net/ethernet/mellanox/mlx4/mlx4.h b/drivers/net/ethernet/mellanox/mlx4/mlx4.h index 0b16db015745..9e5236b1b5f8 100644 --- a/drivers/net/ethernet/mellanox/mlx4/mlx4.h +++ b/drivers/net/ethernet/mellanox/mlx4/mlx4.h @@ -64,21 +64,6 @@ #define INIT_HCA_TPT_MW_ENABLE (1 << 7) -struct mlx4_set_port_prio2tc_context { - u8 prio2tc[4]; -}; - -struct mlx4_port_scheduler_tc_cfg_be { - __be16 pg; - __be16 bw_precentage; - __be16 max_bw_units; /* 3-100Mbps, 4-1Gbps, other values - reserved */ - __be16 max_bw_value; -}; - -struct mlx4_set_port_scheduler_context { - struct mlx4_port_scheduler_tc_cfg_be tc[MLX4_NUM_TC]; -}; - enum { MLX4_HCR_BASE = 0x80680, MLX4_HCR_SIZE = 0x0001c, diff --git a/drivers/net/ethernet/mellanox/mlx4/port.c b/drivers/net/ethernet/mellanox/mlx4/port.c index b97f173ab062..6a53d42db52f 100644 --- a/drivers/net/ethernet/mellanox/mlx4/port.c +++ b/drivers/net/ethernet/mellanox/mlx4/port.c @@ -1016,77 +1016,6 @@ int mlx4_SET_PORT_qpn_calc(struct mlx4_dev *dev, u8 port, u32 base_qpn, } EXPORT_SYMBOL(mlx4_SET_PORT_qpn_calc); -int mlx4_SET_PORT_PRIO2TC(struct mlx4_dev *dev, u8 port, u8 *prio2tc) -{ - struct mlx4_cmd_mailbox *mailbox; - struct mlx4_set_port_prio2tc_context *context; - int err; - u32 in_mod; - int i; - - mailbox = mlx4_alloc_cmd_mailbox(dev); - if (IS_ERR(mailbox)) - return PTR_ERR(mailbox); - context = mailbox->buf; - for (i = 0; i < MLX4_NUM_UP; i += 2) - context->prio2tc[i >> 1] = prio2tc[i] << 4 | prio2tc[i + 1]; - - in_mod = MLX4_SET_PORT_PRIO2TC << 8 | port; - err = mlx4_cmd(dev, mailbox->dma, in_mod, 1, MLX4_CMD_SET_PORT, - MLX4_CMD_TIME_CLASS_B, MLX4_CMD_NATIVE); - - mlx4_free_cmd_mailbox(dev, mailbox); - return err; -} -EXPORT_SYMBOL(mlx4_SET_PORT_PRIO2TC); - -int mlx4_SET_PORT_SCHEDULER(struct mlx4_dev *dev, u8 port, u8 *tc_tx_bw, - u8 *pg, u16 *ratelimit) -{ - struct mlx4_cmd_mailbox *mailbox; - struct mlx4_set_port_scheduler_context *context; - int err; - u32 in_mod; - int i; - - mailbox = mlx4_alloc_cmd_mailbox(dev); - if (IS_ERR(mailbox)) - return PTR_ERR(mailbox); - context = mailbox->buf; - - for (i = 0; i < MLX4_NUM_TC; i++) { - struct mlx4_port_scheduler_tc_cfg_be *tc = &context->tc[i]; - u16 r; - - if (ratelimit && ratelimit[i]) { - if (ratelimit[i] <= MLX4_MAX_100M_UNITS_VAL) { - r = ratelimit[i]; - tc->max_bw_units = - htons(MLX4_RATELIMIT_100M_UNITS); - } else { - r = ratelimit[i]/10; - tc->max_bw_units = - htons(MLX4_RATELIMIT_1G_UNITS); - } - tc->max_bw_value = htons(r); - } else { - tc->max_bw_value = htons(MLX4_RATELIMIT_DEFAULT); - tc->max_bw_units = htons(MLX4_RATELIMIT_1G_UNITS); - } - - tc->pg = htons(pg[i]); - tc->bw_precentage = htons(tc_tx_bw[i]); - } - - in_mod = MLX4_SET_PORT_SCHEDULER << 8 | port; - err = mlx4_cmd(dev, mailbox->dma, in_mod, 1, MLX4_CMD_SET_PORT, - MLX4_CMD_TIME_CLASS_B, MLX4_CMD_NATIVE); - - mlx4_free_cmd_mailbox(dev, mailbox); - return err; -} -EXPORT_SYMBOL(mlx4_SET_PORT_SCHEDULER); - enum { VXLAN_ENABLE_MODIFY = 1 << 7, VXLAN_STEERING_MODIFY = 1 << 6, |