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Message-Id: <1448277111-16474-17-git-send-email-ogerlitz@mellanox.com>
Date: Mon, 23 Nov 2015 13:11:49 +0200
From: Or Gerlitz <ogerlitz@...lanox.com>
To: "David S. Miller" <davem@...emloft.net>
Cc: netdev@...r.kernel.org, Don Dutile <ddutile@...hat.com>,
Doug Ledford <dledford@...hat.com>,
Saeed Mahameed <saeedm@...lanox.com>,
Tal Alon <talal@...lanox.com>,
Hadar Har-Zion <hadarh@...lanox.com>,
Rony Efraim <ronye@...lanox.com>,
Or Gerlitz <ogerlitz@...lanox.com>
Subject: [PATCH net-next 16/18] net/mlx5: E-Switch, Introduce set vport vlan (VST mode)
From: Saeed Mahameed <saeedm@...lanox.com>
Add query and modify functions to control client vlan and qos
striping or insertion, in E-Switch vports contexts.
Signed-off-by: Saeed Mahameed <saeedm@...lanox.com>
Signed-off-by: Or Gerlitz <ogerlitz@...lanox.com>
---
drivers/net/ethernet/mellanox/mlx5/core/eswitch.c | 134 +++++++++++++++++++++-
drivers/net/ethernet/mellanox/mlx5/core/eswitch.h | 2 +
2 files changed, 134 insertions(+), 2 deletions(-)
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c
index 590a06c..ea14664 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c
@@ -128,6 +128,116 @@ ex:
return err;
}
+/* E-Switch vport context HW commands */
+static int query_esw_vport_context_cmd(struct mlx5_core_dev *mdev, u32 vport,
+ u32 *out, int outlen)
+{
+ u32 in[MLX5_ST_SZ_DW(query_esw_vport_context_in)];
+
+ memset(in, 0, sizeof(in));
+
+ MLX5_SET(query_nic_vport_context_in, in, opcode,
+ MLX5_CMD_OP_QUERY_ESW_VPORT_CONTEXT);
+
+ MLX5_SET(query_esw_vport_context_in, in, vport_number, vport);
+ if (vport)
+ MLX5_SET(query_esw_vport_context_in, in, other_vport, 1);
+
+ return mlx5_cmd_exec_check_status(mdev, in, sizeof(in), out, outlen);
+}
+
+static int query_esw_vport_cvlan(struct mlx5_core_dev *dev, u32 vport,
+ u16 *vlan, u8 *qos)
+{
+ u32 out[MLX5_ST_SZ_DW(query_esw_vport_context_out)];
+ int err;
+ bool cvlan_strip;
+ bool cvlan_insert;
+
+ memset(out, 0, sizeof(out));
+
+ *vlan = 0;
+ *qos = 0;
+
+ if (!MLX5_CAP_ESW(dev, vport_cvlan_strip) ||
+ !MLX5_CAP_ESW(dev, vport_cvlan_insert_if_not_exist))
+ return -ENOTSUPP;
+
+ err = query_esw_vport_context_cmd(dev, vport, out, sizeof(out));
+ if (err)
+ goto out;
+
+ cvlan_strip = MLX5_GET(query_esw_vport_context_out, out,
+ esw_vport_context.vport_cvlan_strip);
+
+ cvlan_insert = MLX5_GET(query_esw_vport_context_out, out,
+ esw_vport_context.vport_cvlan_insert);
+
+ if (cvlan_strip || cvlan_insert) {
+ *vlan = MLX5_GET(query_esw_vport_context_out, out,
+ esw_vport_context.cvlan_id);
+ *qos = MLX5_GET(query_esw_vport_context_out, out,
+ esw_vport_context.cvlan_pcp);
+ }
+
+ esw_debug(dev, "Query Vport[%d] cvlan: VLAN %d qos=%d\n",
+ vport, *vlan, *qos);
+out:
+ return err;
+}
+
+static int modify_esw_vport_context_cmd(struct mlx5_core_dev *dev, u16 vport,
+ void *in, int inlen)
+{
+ u32 out[MLX5_ST_SZ_DW(modify_esw_vport_context_out)];
+
+ memset(out, 0, sizeof(out));
+
+ MLX5_SET(modify_esw_vport_context_in, in, vport_number, vport);
+ if (vport)
+ MLX5_SET(modify_esw_vport_context_in, in, other_vport, 1);
+
+ MLX5_SET(modify_esw_vport_context_in, in, opcode,
+ MLX5_CMD_OP_MODIFY_ESW_VPORT_CONTEXT);
+
+ return mlx5_cmd_exec_check_status(dev, in, inlen,
+ out, sizeof(out));
+}
+
+static int modify_esw_vport_cvlan(struct mlx5_core_dev *dev, u32 vport,
+ u16 vlan, u8 qos, bool set)
+{
+ u32 in[MLX5_ST_SZ_DW(modify_esw_vport_context_in)];
+
+ memset(in, 0, sizeof(in));
+
+ if (!MLX5_CAP_ESW(dev, vport_cvlan_strip) ||
+ !MLX5_CAP_ESW(dev, vport_cvlan_insert_if_not_exist))
+ return -ENOTSUPP;
+
+ esw_debug(dev, "Set Vport[%d] VLAN %d qos %d set=%d\n",
+ vport, vlan, qos, set);
+
+ if (set) {
+ MLX5_SET(modify_esw_vport_context_in, in,
+ esw_vport_context.vport_cvlan_strip, 1);
+ /* insert only if no vlan in packet */
+ MLX5_SET(modify_esw_vport_context_in, in,
+ esw_vport_context.vport_cvlan_insert, 1);
+ MLX5_SET(modify_esw_vport_context_in, in,
+ esw_vport_context.cvlan_pcp, qos);
+ MLX5_SET(modify_esw_vport_context_in, in,
+ esw_vport_context.cvlan_id, vlan);
+ }
+
+ MLX5_SET(modify_esw_vport_context_in, in,
+ field_select.vport_cvlan_strip, 1);
+ MLX5_SET(modify_esw_vport_context_in, in,
+ field_select.vport_cvlan_insert, 1);
+
+ return modify_esw_vport_context_cmd(dev, vport, in, sizeof(in));
+}
+
/* HW L2 Table (MPFS) management */
static int set_l2_table_entry_cmd(struct mlx5_core_dev *dev, u32 index,
u8 *mac, u8 vlan_valid, u16 vlan)
@@ -1065,6 +1175,9 @@ int mlx5_eswitch_set_vport_state(struct mlx5_eswitch *esw,
int mlx5_eswitch_get_vport_config(struct mlx5_eswitch *esw,
int vport, struct ifla_vf_info *ivi)
{
+ u16 vlan;
+ u8 qos;
+
if (!ESW_ALLOWED(esw))
return -EPERM;
if (!LEGAL_VPORT(esw, vport))
@@ -1077,9 +1190,26 @@ int mlx5_eswitch_get_vport_config(struct mlx5_eswitch *esw,
ivi->linkstate = mlx5_query_vport_admin_state(esw->dev,
MLX5_QUERY_VPORT_STATE_IN_OP_MOD_ESW_VPORT,
vport);
- ivi->vlan = 0;
- ivi->qos = 0;
+ query_esw_vport_cvlan(esw->dev, vport, &vlan, &qos);
+ ivi->vlan = vlan;
+ ivi->qos = qos;
ivi->spoofchk = 0;
return 0;
}
+
+int mlx5_eswitch_set_vport_vlan(struct mlx5_eswitch *esw,
+ int vport, u16 vlan, u8 qos)
+{
+ int set = 0;
+
+ if (!ESW_ALLOWED(esw))
+ return -EPERM;
+ if (!LEGAL_VPORT(esw, vport) || (vlan > 4095) || (qos > 7))
+ return -EINVAL;
+
+ if (vlan || qos)
+ set = 1;
+
+ return modify_esw_vport_cvlan(esw->dev, vport, vlan, qos, set);
+}
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.h b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.h
index c5827ad..b4284a4 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.h
@@ -150,6 +150,8 @@ int mlx5_eswitch_set_vport_mac(struct mlx5_eswitch *esw,
int vport, u8 mac[ETH_ALEN]);
int mlx5_eswitch_set_vport_state(struct mlx5_eswitch *esw,
int vport, int link_state);
+int mlx5_eswitch_set_vport_vlan(struct mlx5_eswitch *esw,
+ int vport, u16 vlan, u8 qos);
int mlx5_eswitch_get_vport_config(struct mlx5_eswitch *esw,
int vport, struct ifla_vf_info *ivi);
#endif /* __MLX5_ESWITCH_H__ */
--
2.3.7
--
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