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i40e: APIs to Add/remove port mirroring rules 

This patch implements necessary functions related to port
mirroring features such as add/delete mirror rule, function
to set promiscuous VLAN mode for VSI if mirror rule_type is
"VLAN Mirroring".

Change-ID: Iaf513fd5f188f99dcb977b48f99e73185dfddc40
Signed-off-by: Kiran Patil <kiran.patil@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
This commit is contained in:
Kiran Patil 2016-01-04 10:33:07 -08:00 committed by Jeff Kirsher
parent c53934c6d1
commit 7bd6875bef
2 changed files with 174 additions and 0 deletions
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162
drivers/net/ethernet/intel/i40e/i40e_common.c
View File

@ -2032,6 +2032,37 @@ i40e_status i40e_aq_set_vsi_broadcast(struct i40e_hw *hw,
return status;
}
/**
* i40e_aq_set_vsi_vlan_promisc - control the VLAN promiscuous setting
* @hw: pointer to the hw struct
* @seid: vsi number
* @enable: set MAC L2 layer unicast promiscuous enable/disable for a given VLAN
* @cmd_details: pointer to command details structure or NULL
**/
i40e_status i40e_aq_set_vsi_vlan_promisc(struct i40e_hw *hw,
u16 seid, bool enable,
struct i40e_asq_cmd_details *cmd_details)
{
struct i40e_aq_desc desc;
struct i40e_aqc_set_vsi_promiscuous_modes *cmd =
(struct i40e_aqc_set_vsi_promiscuous_modes *)&desc.params.raw;
i40e_status status;
u16 flags = 0;
i40e_fill_default_direct_cmd_desc(&desc,
i40e_aqc_opc_set_vsi_promiscuous_modes);
if (enable)
flags |= I40E_AQC_SET_VSI_PROMISC_VLAN;
cmd->promiscuous_flags = cpu_to_le16(flags);
cmd->valid_flags = cpu_to_le16(I40E_AQC_SET_VSI_PROMISC_VLAN);
cmd->seid = cpu_to_le16(seid);
status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
return status;
}
/**
* i40e_get_vsi_params - get VSI configuration info
* @hw: pointer to the hw struct
@ -2469,6 +2500,137 @@ i40e_status i40e_aq_remove_macvlan(struct i40e_hw *hw, u16 seid,
return status;
}
/**
* i40e_mirrorrule_op - Internal helper function to add/delete mirror rule
* @hw: pointer to the hw struct
* @opcode: AQ opcode for add or delete mirror rule
* @sw_seid: Switch SEID (to which rule refers)
* @rule_type: Rule Type (ingress/egress/VLAN)
* @id: Destination VSI SEID or Rule ID
* @count: length of the list
* @mr_list: list of mirrored VSI SEIDs or VLAN IDs
* @cmd_details: pointer to command details structure or NULL
* @rule_id: Rule ID returned from FW
* @rule_used: Number of rules used in internal switch
* @rule_free: Number of rules free in internal switch
*
* Add/Delete a mirror rule to a specific switch. Mirror rules are supported for
* VEBs/VEPA elements only
**/
static i40e_status i40e_mirrorrule_op(struct i40e_hw *hw,
u16 opcode, u16 sw_seid, u16 rule_type, u16 id,
u16 count, __le16 *mr_list,
struct i40e_asq_cmd_details *cmd_details,
u16 *rule_id, u16 *rules_used, u16 *rules_free)
{
struct i40e_aq_desc desc;
struct i40e_aqc_add_delete_mirror_rule *cmd =
(struct i40e_aqc_add_delete_mirror_rule *)&desc.params.raw;
struct i40e_aqc_add_delete_mirror_rule_completion *resp =
(struct i40e_aqc_add_delete_mirror_rule_completion *)&desc.params.raw;
i40e_status status;
u16 buf_size;
buf_size = count * sizeof(*mr_list);
/* prep the rest of the request */
i40e_fill_default_direct_cmd_desc(&desc, opcode);
cmd->seid = cpu_to_le16(sw_seid);
cmd->rule_type = cpu_to_le16(rule_type &
I40E_AQC_MIRROR_RULE_TYPE_MASK);
cmd->num_entries = cpu_to_le16(count);
/* Dest VSI for add, rule_id for delete */
cmd->destination = cpu_to_le16(id);
if (mr_list) {
desc.flags |= cpu_to_le16((u16)(I40E_AQ_FLAG_BUF |
I40E_AQ_FLAG_RD));
if (buf_size > I40E_AQ_LARGE_BUF)
desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_LB);
}
status = i40e_asq_send_command(hw, &desc, mr_list, buf_size,
cmd_details);
if (!status ||
hw->aq.asq_last_status == I40E_AQ_RC_ENOSPC) {
if (rule_id)
*rule_id = le16_to_cpu(resp->rule_id);
if (rules_used)
*rules_used = le16_to_cpu(resp->mirror_rules_used);
if (rules_free)
*rules_free = le16_to_cpu(resp->mirror_rules_free);
}
return status;
}
/**
* i40e_aq_add_mirrorrule - add a mirror rule
* @hw: pointer to the hw struct
* @sw_seid: Switch SEID (to which rule refers)
* @rule_type: Rule Type (ingress/egress/VLAN)
* @dest_vsi: SEID of VSI to which packets will be mirrored
* @count: length of the list
* @mr_list: list of mirrored VSI SEIDs or VLAN IDs
* @cmd_details: pointer to command details structure or NULL
* @rule_id: Rule ID returned from FW
* @rule_used: Number of rules used in internal switch
* @rule_free: Number of rules free in internal switch
*
* Add mirror rule. Mirror rules are supported for VEBs or VEPA elements only
**/
i40e_status i40e_aq_add_mirrorrule(struct i40e_hw *hw, u16 sw_seid,
u16 rule_type, u16 dest_vsi, u16 count, __le16 *mr_list,
struct i40e_asq_cmd_details *cmd_details,
u16 *rule_id, u16 *rules_used, u16 *rules_free)
{
if (!(rule_type == I40E_AQC_MIRROR_RULE_TYPE_ALL_INGRESS ||
rule_type == I40E_AQC_MIRROR_RULE_TYPE_ALL_EGRESS)) {
if (count == 0 || !mr_list)
return I40E_ERR_PARAM;
}
return i40e_mirrorrule_op(hw, i40e_aqc_opc_add_mirror_rule, sw_seid,
rule_type, dest_vsi, count, mr_list,
cmd_details, rule_id, rules_used, rules_free);
}
/**
* i40e_aq_delete_mirrorrule - delete a mirror rule
* @hw: pointer to the hw struct
* @sw_seid: Switch SEID (to which rule refers)
* @rule_type: Rule Type (ingress/egress/VLAN)
* @count: length of the list
* @rule_id: Rule ID that is returned in the receive desc as part of
* add_mirrorrule.
* @mr_list: list of mirrored VLAN IDs to be removed
* @cmd_details: pointer to command details structure or NULL
* @rule_used: Number of rules used in internal switch
* @rule_free: Number of rules free in internal switch
*
* Delete a mirror rule. Mirror rules are supported for VEBs/VEPA elements only
**/
i40e_status i40e_aq_delete_mirrorrule(struct i40e_hw *hw, u16 sw_seid,
u16 rule_type, u16 rule_id, u16 count, __le16 *mr_list,
struct i40e_asq_cmd_details *cmd_details,
u16 *rules_used, u16 *rules_free)
{
/* Rule ID has to be valid except rule_type: INGRESS VLAN mirroring */
if (rule_type != I40E_AQC_MIRROR_RULE_TYPE_VLAN) {
if (!rule_id)
return I40E_ERR_PARAM;
} else {
/* count and mr_list shall be valid for rule_type INGRESS VLAN
* mirroring. For other rule_type, count and rule_type should
* not matter.
*/
if (count == 0 || !mr_list)
return I40E_ERR_PARAM;
}
return i40e_mirrorrule_op(hw, i40e_aqc_opc_delete_mirror_rule, sw_seid,
rule_type, rule_id, count, mr_list,
cmd_details, NULL, rules_used, rules_free);
}
/**
* i40e_aq_send_msg_to_vf
* @hw: pointer to the hardware structure

12
drivers/net/ethernet/intel/i40e/i40e_prototype.h
View File

@ -127,6 +127,9 @@ i40e_status i40e_aq_set_vsi_unicast_promiscuous(struct i40e_hw *hw,
u16 vsi_id, bool set, struct i40e_asq_cmd_details *cmd_details);
i40e_status i40e_aq_set_vsi_multicast_promiscuous(struct i40e_hw *hw,
u16 vsi_id, bool set, struct i40e_asq_cmd_details *cmd_details);
i40e_status i40e_aq_set_vsi_vlan_promisc(struct i40e_hw *hw,
u16 seid, bool enable,
struct i40e_asq_cmd_details *cmd_details);
i40e_status i40e_aq_get_vsi_params(struct i40e_hw *hw,
struct i40e_vsi_context *vsi_ctx,
struct i40e_asq_cmd_details *cmd_details);
@ -149,6 +152,15 @@ i40e_status i40e_aq_add_macvlan(struct i40e_hw *hw, u16 vsi_id,
i40e_status i40e_aq_remove_macvlan(struct i40e_hw *hw, u16 vsi_id,
struct i40e_aqc_remove_macvlan_element_data *mv_list,
u16 count, struct i40e_asq_cmd_details *cmd_details);
i40e_status i40e_aq_add_mirrorrule(struct i40e_hw *hw, u16 sw_seid,
u16 rule_type, u16 dest_vsi, u16 count, __le16 *mr_list,
struct i40e_asq_cmd_details *cmd_details,
u16 *rule_id, u16 *rules_used, u16 *rules_free);
i40e_status i40e_aq_delete_mirrorrule(struct i40e_hw *hw, u16 sw_seid,
u16 rule_type, u16 rule_id, u16 count, __le16 *mr_list,
struct i40e_asq_cmd_details *cmd_details,
u16 *rules_used, u16 *rules_free);
i40e_status i40e_aq_send_msg_to_vf(struct i40e_hw *hw, u16 vfid,
u32 v_opcode, u32 v_retval, u8 *msg, u16 msglen,
struct i40e_asq_cmd_details *cmd_details);