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authorAmir Vadai <amirv@mellanox.com>2012-04-04 21:33:25 +0000
committerDavid S. Miller <davem@davemloft.net>2012-04-05 05:08:03 -0400
commite5395e92a470769d67369c002a41e59619f5214b (patch)
tree2fd6a4d09c6e4514856f8e4762fe8ed301b8c9b5
parent0e98b523c4a4119cbd17e58dff385cc329064694 (diff)
net/mlx4_core: set port QoS attributes
Adding QoS firmware commands: - mlx4_en_SET_PORT_PRIO2TC - set UP <=> TC - mlx4_en_SET_PORT_SCHEDULER - set promised BW, max BW and PG number Signed-off-by: Amir Vadai <amirv@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--drivers/net/ethernet/mellanox/mlx4/en_port.h2
-rw-r--r--drivers/net/ethernet/mellanox/mlx4/mlx4.h20
-rw-r--r--drivers/net/ethernet/mellanox/mlx4/port.c62
-rw-r--r--include/linux/mlx4/cmd.h4
-rw-r--r--include/linux/mlx4/device.h3
5 files changed, 91 insertions, 0 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx4/en_port.h b/drivers/net/ethernet/mellanox/mlx4/en_port.h
index 6934fd7e66ed..745090b49d9e 100644
--- a/drivers/net/ethernet/mellanox/mlx4/en_port.h
+++ b/drivers/net/ethernet/mellanox/mlx4/en_port.h
@@ -39,6 +39,8 @@
#define SET_PORT_PROMISC_SHIFT 31
#define SET_PORT_MC_PROMISC_SHIFT 30
+#define MLX4_EN_NUM_TC 8
+
#define VLAN_FLTR_SIZE 128
struct mlx4_set_vlan_fltr_mbox {
__be32 entry[VLAN_FLTR_SIZE];
diff --git a/drivers/net/ethernet/mellanox/mlx4/mlx4.h b/drivers/net/ethernet/mellanox/mlx4/mlx4.h
index 2a0ff2cc7182..cd56f1aea4b5 100644
--- a/drivers/net/ethernet/mellanox/mlx4/mlx4.h
+++ b/drivers/net/ethernet/mellanox/mlx4/mlx4.h
@@ -53,6 +53,26 @@
#define DRV_VERSION "1.1"
#define DRV_RELDATE "Dec, 2011"
+#define MLX4_NUM_UP 8
+#define MLX4_NUM_TC 8
+#define MLX4_RATELIMIT_UNITS 3 /* 100 Mbps */
+#define MLX4_RATELIMIT_DEFAULT 0xffff
+
+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 77535ff18f1b..55b12e6bed87 100644
--- a/drivers/net/ethernet/mellanox/mlx4/port.c
+++ b/drivers/net/ethernet/mellanox/mlx4/port.c
@@ -834,6 +834,68 @@ 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;
+ memset(context, 0, sizeof *context);
+
+ 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;
+ memset(context, 0, sizeof *context);
+
+ for (i = 0; i < MLX4_NUM_TC; i++) {
+ struct mlx4_port_scheduler_tc_cfg_be *tc = &context->tc[i];
+ u16 r = ratelimit && ratelimit[i] ? ratelimit[i] :
+ MLX4_RATELIMIT_DEFAULT;
+
+ tc->pg = htons(pg[i]);
+ tc->bw_precentage = htons(tc_tx_bw[i]);
+
+ tc->max_bw_units = htons(MLX4_RATELIMIT_UNITS);
+ tc->max_bw_value = htons(r);
+ }
+
+ 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);
+
int mlx4_SET_MCAST_FLTR_wrapper(struct mlx4_dev *dev, int slave,
struct mlx4_vhcr *vhcr,
struct mlx4_cmd_mailbox *inbox,
diff --git a/include/linux/mlx4/cmd.h b/include/linux/mlx4/cmd.h
index 9958ff2cad3c..1f3860a8a109 100644
--- a/include/linux/mlx4/cmd.h
+++ b/include/linux/mlx4/cmd.h
@@ -150,6 +150,10 @@ enum {
/* statistics commands */
MLX4_CMD_QUERY_IF_STAT = 0X54,
MLX4_CMD_SET_IF_STAT = 0X55,
+
+ /* set port opcode modifiers */
+ MLX4_SET_PORT_PRIO2TC = 0x8,
+ MLX4_SET_PORT_SCHEDULER = 0x9,
};
enum {
diff --git a/include/linux/mlx4/device.h b/include/linux/mlx4/device.h
index 834c96c5d879..6d028247f79d 100644
--- a/include/linux/mlx4/device.h
+++ b/include/linux/mlx4/device.h
@@ -628,6 +628,9 @@ int mlx4_SET_PORT_general(struct mlx4_dev *dev, u8 port, int mtu,
u8 pptx, u8 pfctx, u8 pprx, u8 pfcrx);
int mlx4_SET_PORT_qpn_calc(struct mlx4_dev *dev, u8 port, u32 base_qpn,
u8 promisc);
+int mlx4_SET_PORT_PRIO2TC(struct mlx4_dev *dev, u8 port, u8 *prio2tc);
+int mlx4_SET_PORT_SCHEDULER(struct mlx4_dev *dev, u8 port, u8 *tc_tx_bw,
+ u8 *pg, u16 *ratelimit);
int mlx4_find_cached_vlan(struct mlx4_dev *dev, u8 port, u16 vid, int *idx);
int mlx4_register_vlan(struct mlx4_dev *dev, u8 port, u16 vlan, int *index);
void mlx4_unregister_vlan(struct mlx4_dev *dev, u8 port, int index);