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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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0216da9413
In certain multi-function switch dependent modes, firmware adds vlan tag 0
to the untagged frames. This leads to double tagging for the traffic
if the dcbx is enabled, which is not the desired behavior. To avoid this,
driver needs to set "dcb_dont_add_vlan0" flag.
Fixes: cac6f691 ("qed: Add support for Unified Fabric Port")
Signed-off-by: Sudarsana Reddy Kalluru <Sudarsana.Kalluru@cavium.com>
Signed-off-by: Tomer Tayar <Tomer.Tayar@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
131 lines
3.9 KiB
C
131 lines
3.9 KiB
C
/* QLogic qed NIC Driver
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* Copyright (c) 2015-2017 QLogic Corporation
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*
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* This software is available to you under a choice of one of two
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* licenses. You may choose to be licensed under the terms of the GNU
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* General Public License (GPL) Version 2, available from the file
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* COPYING in the main directory of this source tree, or the
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* OpenIB.org BSD license below:
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*
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* Redistribution and use in source and binary forms, with or
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* without modification, are permitted provided that the following
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* conditions are met:
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*
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* - Redistributions of source code must retain the above
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* copyright notice, this list of conditions and the following
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* disclaimer.
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*
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* - Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and /or other materials
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* provided with the distribution.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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#ifndef _QED_DCBX_H
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#define _QED_DCBX_H
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#include <linux/types.h>
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#include <linux/slab.h>
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#include "qed.h"
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#include "qed_hsi.h"
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#include "qed_hw.h"
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#include "qed_mcp.h"
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#include "qed_reg_addr.h"
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#define DCBX_CONFIG_MAX_APP_PROTOCOL 4
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enum qed_mib_read_type {
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QED_DCBX_OPERATIONAL_MIB,
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QED_DCBX_REMOTE_MIB,
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QED_DCBX_LOCAL_MIB,
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QED_DCBX_REMOTE_LLDP_MIB,
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QED_DCBX_LOCAL_LLDP_MIB
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};
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struct qed_dcbx_app_data {
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bool enable; /* DCB enabled */
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u8 update; /* Update indication */
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u8 priority; /* Priority */
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u8 tc; /* Traffic Class */
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bool dont_add_vlan0; /* Do not insert a vlan tag with id 0 */
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};
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#define QED_DCBX_VERSION_DISABLED 0
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#define QED_DCBX_VERSION_IEEE 1
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#define QED_DCBX_VERSION_CEE 2
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struct qed_dcbx_set {
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#define QED_DCBX_OVERRIDE_STATE BIT(0)
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#define QED_DCBX_OVERRIDE_PFC_CFG BIT(1)
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#define QED_DCBX_OVERRIDE_ETS_CFG BIT(2)
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#define QED_DCBX_OVERRIDE_APP_CFG BIT(3)
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#define QED_DCBX_OVERRIDE_DSCP_CFG BIT(4)
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u32 override_flags;
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bool enabled;
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struct qed_dcbx_admin_params config;
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u32 ver_num;
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};
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struct qed_dcbx_results {
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bool dcbx_enabled;
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u8 pf_id;
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struct qed_dcbx_app_data arr[DCBX_MAX_PROTOCOL_TYPE];
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};
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struct qed_dcbx_app_metadata {
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enum dcbx_protocol_type id;
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char *name;
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enum qed_pci_personality personality;
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};
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struct qed_dcbx_info {
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struct lldp_status_params_s lldp_remote[LLDP_MAX_LLDP_AGENTS];
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struct lldp_config_params_s lldp_local[LLDP_MAX_LLDP_AGENTS];
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struct dcbx_local_params local_admin;
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struct qed_dcbx_results results;
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struct dcbx_mib operational;
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struct dcbx_mib remote;
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struct qed_dcbx_set set;
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struct qed_dcbx_get get;
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u8 dcbx_cap;
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};
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struct qed_dcbx_mib_meta_data {
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struct lldp_config_params_s *lldp_local;
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struct lldp_status_params_s *lldp_remote;
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struct dcbx_local_params *local_admin;
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struct dcbx_mib *mib;
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size_t size;
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u32 addr;
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};
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#ifdef CONFIG_DCB
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int qed_dcbx_get_config_params(struct qed_hwfn *, struct qed_dcbx_set *);
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int qed_dcbx_config_params(struct qed_hwfn *,
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struct qed_ptt *, struct qed_dcbx_set *, bool);
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#endif
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/* QED local interface routines */
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int
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qed_dcbx_mib_update_event(struct qed_hwfn *,
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struct qed_ptt *, enum qed_mib_read_type);
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int qed_dcbx_info_alloc(struct qed_hwfn *p_hwfn);
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void qed_dcbx_info_free(struct qed_hwfn *p_hwfn);
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void qed_dcbx_set_pf_update_params(struct qed_dcbx_results *p_src,
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struct pf_update_ramrod_data *p_dest);
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#define QED_DCBX_DEFAULT_TC 0
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u8 qed_dcbx_get_priority_tc(struct qed_hwfn *p_hwfn, u8 pri);
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#endif
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