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freebsd-src/sys/dev/ice/ice_switch.c
Eric Joyner 9e54973fc3
ice(4): Update to 1.39.13-k 
- Adds mirror interface functionality
- Remove unused virtchnl headers

Signed-off-by: Eric Joyner <erj@FreeBSD.org>

MFC-with:	768329961d
MFC after:	3 days
Sponsored by:	Intel Corporation
Tested by:	jeffrey.e.pieper@intel.com
Differential Revision:	https://reviews.freebsd.org/D44004
2024-04-18 16:21:22 -07:00

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/* SPDX-License-Identifier: BSD-3-Clause */
/* Copyright (c) 2024, Intel Corporation
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. 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.
*
* 3. Neither the name of the Intel Corporation nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include "ice_common.h"
#include "ice_switch.h"
#include "ice_flex_type.h"
#include "ice_flow.h"
#define ICE_ETH_DA_OFFSET 0
#define ICE_ETH_ETHTYPE_OFFSET 12
#define ICE_ETH_VLAN_TCI_OFFSET 14
#define ICE_MAX_VLAN_ID 0xFFF
#define ICE_IPV6_ETHER_ID 0x86DD
#define ICE_PPP_IPV6_PROTO_ID 0x0057
#define ICE_ETH_P_8021Q 0x8100
/* Dummy ethernet header needed in the ice_sw_rule_*
* struct to configure any switch filter rules.
* {DA (6 bytes), SA(6 bytes),
* Ether type (2 bytes for header without VLAN tag) OR
* VLAN tag (4 bytes for header with VLAN tag) }
*
* Word on Hardcoded values
* byte 0 = 0x2: to identify it as locally administered DA MAC
* byte 6 = 0x2: to identify it as locally administered SA MAC
* byte 12 = 0x81 & byte 13 = 0x00:
* In case of VLAN filter first two bytes defines ether type (0x8100)
* and remaining two bytes are placeholder for programming a given VLAN ID
* In case of Ether type filter it is treated as header without VLAN tag
* and byte 12 and 13 is used to program a given Ether type instead
*/
static const u8 dummy_eth_header[DUMMY_ETH_HDR_LEN] = { 0x2, 0, 0, 0, 0, 0,
0x2, 0, 0, 0, 0, 0,
0x81, 0, 0, 0};
static bool
ice_vsi_uses_fltr(struct ice_fltr_mgmt_list_entry *fm_entry, u16 vsi_handle);
/**
* ice_init_def_sw_recp - initialize the recipe book keeping tables
* @hw: pointer to the HW struct
* @recp_list: pointer to sw recipe list
*
* Allocate memory for the entire recipe table and initialize the structures/
* entries corresponding to basic recipes.
*/
enum ice_status
ice_init_def_sw_recp(struct ice_hw *hw, struct ice_sw_recipe **recp_list)
{
struct ice_sw_recipe *recps;
u8 i;
recps = (struct ice_sw_recipe *)
ice_calloc(hw, ICE_MAX_NUM_RECIPES, sizeof(*recps));
if (!recps)
return ICE_ERR_NO_MEMORY;
for (i = 0; i < ICE_MAX_NUM_RECIPES; i++) {
recps[i].root_rid = i;
INIT_LIST_HEAD(&recps[i].filt_rules);
INIT_LIST_HEAD(&recps[i].filt_replay_rules);
INIT_LIST_HEAD(&recps[i].rg_list);
ice_init_lock(&recps[i].filt_rule_lock);
}
*recp_list = recps;
return ICE_SUCCESS;
}
/**
* ice_aq_get_sw_cfg - get switch configuration
* @hw: pointer to the hardware structure
* @buf: pointer to the result buffer
* @buf_size: length of the buffer available for response
* @req_desc: pointer to requested descriptor
* @num_elems: pointer to number of elements
* @cd: pointer to command details structure or NULL
*
* Get switch configuration (0x0200) to be placed in buf.
* This admin command returns information such as initial VSI/port number
* and switch ID it belongs to.
*
* NOTE: *req_desc is both an input/output parameter.
* The caller of this function first calls this function with *request_desc set
* to 0. If the response from f/w has *req_desc set to 0, all the switch
* configuration information has been returned; if non-zero (meaning not all
* the information was returned), the caller should call this function again
* with *req_desc set to the previous value returned by f/w to get the
* next block of switch configuration information.
*
* *num_elems is output only parameter. This reflects the number of elements
* in response buffer. The caller of this function to use *num_elems while
* parsing the response buffer.
*/
static enum ice_status
ice_aq_get_sw_cfg(struct ice_hw *hw, struct ice_aqc_get_sw_cfg_resp_elem *buf,
u16 buf_size, u16 *req_desc, u16 *num_elems,
struct ice_sq_cd *cd)
{
struct ice_aqc_get_sw_cfg *cmd;
struct ice_aq_desc desc;
enum ice_status status;
ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_sw_cfg);
cmd = &desc.params.get_sw_conf;
cmd->element = CPU_TO_LE16(*req_desc);
status = ice_aq_send_cmd(hw, &desc, buf, buf_size, cd);
if (!status) {
*req_desc = LE16_TO_CPU(cmd->element);
*num_elems = LE16_TO_CPU(cmd->num_elems);
}
return status;
}
/**
* ice_alloc_rss_global_lut - allocate a RSS global LUT
* @hw: pointer to the HW struct
* @shared_res: true to allocate as a shared resource and false to allocate as a dedicated resource
* @global_lut_id: output parameter for the RSS global LUT's ID
*/
enum ice_status ice_alloc_rss_global_lut(struct ice_hw *hw, bool shared_res, u16 *global_lut_id)
{
struct ice_aqc_alloc_free_res_elem *sw_buf;
enum ice_status status;
u16 buf_len;
buf_len = ice_struct_size(sw_buf, elem, 1);
sw_buf = (struct ice_aqc_alloc_free_res_elem *)ice_malloc(hw, buf_len);
if (!sw_buf)
return ICE_ERR_NO_MEMORY;
sw_buf->num_elems = CPU_TO_LE16(1);
sw_buf->res_type = CPU_TO_LE16(ICE_AQC_RES_TYPE_GLOBAL_RSS_HASH |
(shared_res ? ICE_AQC_RES_TYPE_FLAG_SHARED :
ICE_AQC_RES_TYPE_FLAG_DEDICATED));
status = ice_aq_alloc_free_res(hw, 1, sw_buf, buf_len, ice_aqc_opc_alloc_res, NULL);
if (status) {
ice_debug(hw, ICE_DBG_RES, "Failed to allocate %s RSS global LUT, status %d\n",
shared_res ? "shared" : "dedicated", status);
goto ice_alloc_global_lut_exit;
}
*global_lut_id = LE16_TO_CPU(sw_buf->elem[0].e.sw_resp);
ice_alloc_global_lut_exit:
ice_free(hw, sw_buf);
return status;
}
/**
* ice_free_rss_global_lut - free a RSS global LUT
* @hw: pointer to the HW struct
* @global_lut_id: ID of the RSS global LUT to free
*/
enum ice_status ice_free_rss_global_lut(struct ice_hw *hw, u16 global_lut_id)
{
struct ice_aqc_alloc_free_res_elem *sw_buf;
u16 buf_len, num_elems = 1;
enum ice_status status;
buf_len = ice_struct_size(sw_buf, elem, num_elems);
sw_buf = (struct ice_aqc_alloc_free_res_elem *)ice_malloc(hw, buf_len);
if (!sw_buf)
return ICE_ERR_NO_MEMORY;
sw_buf->num_elems = CPU_TO_LE16(num_elems);
sw_buf->res_type = CPU_TO_LE16(ICE_AQC_RES_TYPE_GLOBAL_RSS_HASH);
sw_buf->elem[0].e.sw_resp = CPU_TO_LE16(global_lut_id);
status = ice_aq_alloc_free_res(hw, num_elems, sw_buf, buf_len, ice_aqc_opc_free_res, NULL);
if (status)
ice_debug(hw, ICE_DBG_RES, "Failed to free RSS global LUT %d, status %d\n",
global_lut_id, status);
ice_free(hw, sw_buf);
return status;
}
/**
* ice_alloc_sw - allocate resources specific to switch
* @hw: pointer to the HW struct
* @ena_stats: true to turn on VEB stats
* @shared_res: true for shared resource, false for dedicated resource
* @sw_id: switch ID returned
* @counter_id: VEB counter ID returned
*
* allocates switch resources (SWID and VEB counter) (0x0208)
*/
enum ice_status
ice_alloc_sw(struct ice_hw *hw, bool ena_stats, bool shared_res, u16 *sw_id,
u16 *counter_id)
{
struct ice_aqc_alloc_free_res_elem *sw_buf;
struct ice_aqc_res_elem *sw_ele;
enum ice_status status;
u16 buf_len;
buf_len = ice_struct_size(sw_buf, elem, 1);
sw_buf = (struct ice_aqc_alloc_free_res_elem *)ice_malloc(hw, buf_len);
if (!sw_buf)
return ICE_ERR_NO_MEMORY;
/* Prepare buffer for switch ID.
* The number of resource entries in buffer is passed as 1 since only a
* single switch/VEB instance is allocated, and hence a single sw_id
* is requested.
*/
sw_buf->num_elems = CPU_TO_LE16(1);
sw_buf->res_type =
CPU_TO_LE16(ICE_AQC_RES_TYPE_SWID |
(shared_res ? ICE_AQC_RES_TYPE_FLAG_SHARED :
ICE_AQC_RES_TYPE_FLAG_DEDICATED));
status = ice_aq_alloc_free_res(hw, 1, sw_buf, buf_len,
ice_aqc_opc_alloc_res, NULL);
if (status)
goto ice_alloc_sw_exit;
sw_ele = &sw_buf->elem[0];
*sw_id = LE16_TO_CPU(sw_ele->e.sw_resp);
if (ena_stats) {
/* Prepare buffer for VEB Counter */
enum ice_adminq_opc opc = ice_aqc_opc_alloc_res;
struct ice_aqc_alloc_free_res_elem *counter_buf;
struct ice_aqc_res_elem *counter_ele;
counter_buf = (struct ice_aqc_alloc_free_res_elem *)
ice_malloc(hw, buf_len);
if (!counter_buf) {
status = ICE_ERR_NO_MEMORY;
goto ice_alloc_sw_exit;
}
/* The number of resource entries in buffer is passed as 1 since
* only a single switch/VEB instance is allocated, and hence a
* single VEB counter is requested.
*/
counter_buf->num_elems = CPU_TO_LE16(1);
counter_buf->res_type =
CPU_TO_LE16(ICE_AQC_RES_TYPE_VEB_COUNTER |
ICE_AQC_RES_TYPE_FLAG_DEDICATED);
status = ice_aq_alloc_free_res(hw, 1, counter_buf, buf_len,
opc, NULL);
if (status) {
ice_free(hw, counter_buf);
goto ice_alloc_sw_exit;
}
counter_ele = &counter_buf->elem[0];
*counter_id = LE16_TO_CPU(counter_ele->e.sw_resp);
ice_free(hw, counter_buf);
}
ice_alloc_sw_exit:
ice_free(hw, sw_buf);
return status;
}
/**
* ice_free_sw - free resources specific to switch
* @hw: pointer to the HW struct
* @sw_id: switch ID returned
* @counter_id: VEB counter ID returned
*
* free switch resources (SWID and VEB counter) (0x0209)
*
* NOTE: This function frees multiple resources. It continues
* releasing other resources even after it encounters error.
* The error code returned is the last error it encountered.
*/
enum ice_status ice_free_sw(struct ice_hw *hw, u16 sw_id, u16 counter_id)
{
struct ice_aqc_alloc_free_res_elem *sw_buf, *counter_buf;
enum ice_status status, ret_status;
u16 buf_len;
buf_len = ice_struct_size(sw_buf, elem, 1);
sw_buf = (struct ice_aqc_alloc_free_res_elem *)ice_malloc(hw, buf_len);
if (!sw_buf)
return ICE_ERR_NO_MEMORY;
/* Prepare buffer to free for switch ID res.
* The number of resource entries in buffer is passed as 1 since only a
* single switch/VEB instance is freed, and hence a single sw_id
* is released.
*/
sw_buf->num_elems = CPU_TO_LE16(1);
sw_buf->res_type = CPU_TO_LE16(ICE_AQC_RES_TYPE_SWID);
sw_buf->elem[0].e.sw_resp = CPU_TO_LE16(sw_id);
ret_status = ice_aq_alloc_free_res(hw, 1, sw_buf, buf_len,
ice_aqc_opc_free_res, NULL);
if (ret_status)
ice_debug(hw, ICE_DBG_SW, "CQ CMD Buffer:\n");
/* Prepare buffer to free for VEB Counter resource */
counter_buf = (struct ice_aqc_alloc_free_res_elem *)
ice_malloc(hw, buf_len);
if (!counter_buf) {
ice_free(hw, sw_buf);
return ICE_ERR_NO_MEMORY;
}
/* The number of resource entries in buffer is passed as 1 since only a
* single switch/VEB instance is freed, and hence a single VEB counter
* is released
*/
counter_buf->num_elems = CPU_TO_LE16(1);
counter_buf->res_type = CPU_TO_LE16(ICE_AQC_RES_TYPE_VEB_COUNTER);
counter_buf->elem[0].e.sw_resp = CPU_TO_LE16(counter_id);
status = ice_aq_alloc_free_res(hw, 1, counter_buf, buf_len,
ice_aqc_opc_free_res, NULL);
if (status) {
ice_debug(hw, ICE_DBG_SW, "VEB counter resource could not be freed\n");
ret_status = status;
}
ice_free(hw, counter_buf);
ice_free(hw, sw_buf);
return ret_status;
}
/**
* ice_aq_add_vsi
* @hw: pointer to the HW struct
* @vsi_ctx: pointer to a VSI context struct
* @cd: pointer to command details structure or NULL
*
* Add a VSI context to the hardware (0x0210)
*/
enum ice_status
ice_aq_add_vsi(struct ice_hw *hw, struct ice_vsi_ctx *vsi_ctx,
struct ice_sq_cd *cd)
{
struct ice_aqc_add_update_free_vsi_resp *res;
struct ice_aqc_add_get_update_free_vsi *cmd;
struct ice_aq_desc desc;
enum ice_status status;
cmd = &desc.params.vsi_cmd;
res = &desc.params.add_update_free_vsi_res;
ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_add_vsi);
if (!vsi_ctx->alloc_from_pool)
cmd->vsi_num = CPU_TO_LE16(vsi_ctx->vsi_num |
ICE_AQ_VSI_IS_VALID);
cmd->vf_id = vsi_ctx->vf_num;
cmd->vsi_flags = CPU_TO_LE16(vsi_ctx->flags);
desc.flags |= CPU_TO_LE16(ICE_AQ_FLAG_RD);
status = ice_aq_send_cmd(hw, &desc, &vsi_ctx->info,
sizeof(vsi_ctx->info), cd);
if (!status) {
vsi_ctx->vsi_num = LE16_TO_CPU(res->vsi_num) & ICE_AQ_VSI_NUM_M;
vsi_ctx->vsis_allocd = LE16_TO_CPU(res->vsi_used);
vsi_ctx->vsis_unallocated = LE16_TO_CPU(res->vsi_free);
}
return status;
}
/**
* ice_aq_free_vsi
* @hw: pointer to the HW struct
* @vsi_ctx: pointer to a VSI context struct
* @keep_vsi_alloc: keep VSI allocation as part of this PF's resources
* @cd: pointer to command details structure or NULL
*
* Free VSI context info from hardware (0x0213)
*/
enum ice_status
ice_aq_free_vsi(struct ice_hw *hw, struct ice_vsi_ctx *vsi_ctx,
bool keep_vsi_alloc, struct ice_sq_cd *cd)
{
struct ice_aqc_add_update_free_vsi_resp *resp;
struct ice_aqc_add_get_update_free_vsi *cmd;
struct ice_aq_desc desc;
enum ice_status status;
cmd = &desc.params.vsi_cmd;
resp = &desc.params.add_update_free_vsi_res;
ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_free_vsi);
cmd->vsi_num = CPU_TO_LE16(vsi_ctx->vsi_num | ICE_AQ_VSI_IS_VALID);
if (keep_vsi_alloc)
cmd->cmd_flags = CPU_TO_LE16(ICE_AQ_VSI_KEEP_ALLOC);
status = ice_aq_send_cmd(hw, &desc, NULL, 0, cd);
if (!status) {
vsi_ctx->vsis_allocd = LE16_TO_CPU(resp->vsi_used);
vsi_ctx->vsis_unallocated = LE16_TO_CPU(resp->vsi_free);
}
return status;
}
/**
* ice_aq_update_vsi
* @hw: pointer to the HW struct
* @vsi_ctx: pointer to a VSI context struct
* @cd: pointer to command details structure or NULL
*
* Update VSI context in the hardware (0x0211)
*/
enum ice_status
ice_aq_update_vsi(struct ice_hw *hw, struct ice_vsi_ctx *vsi_ctx,
struct ice_sq_cd *cd)
{
struct ice_aqc_add_update_free_vsi_resp *resp;
struct ice_aqc_add_get_update_free_vsi *cmd;
struct ice_aq_desc desc;
enum ice_status status;
cmd = &desc.params.vsi_cmd;
resp = &desc.params.add_update_free_vsi_res;
ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_update_vsi);
cmd->vsi_num = CPU_TO_LE16(vsi_ctx->vsi_num | ICE_AQ_VSI_IS_VALID);
desc.flags |= CPU_TO_LE16(ICE_AQ_FLAG_RD);
status = ice_aq_send_cmd(hw, &desc, &vsi_ctx->info,
sizeof(vsi_ctx->info), cd);
if (!status) {
vsi_ctx->vsis_allocd = LE16_TO_CPU(resp->vsi_used);
vsi_ctx->vsis_unallocated = LE16_TO_CPU(resp->vsi_free);
}
return status;
}
/**
* ice_is_vsi_valid - check whether the VSI is valid or not
* @hw: pointer to the HW struct
* @vsi_handle: VSI handle
*
* check whether the VSI is valid or not
*/
bool ice_is_vsi_valid(struct ice_hw *hw, u16 vsi_handle)
{
return vsi_handle < ICE_MAX_VSI && hw->vsi_ctx[vsi_handle];
}
/**
* ice_get_hw_vsi_num - return the HW VSI number
* @hw: pointer to the HW struct
* @vsi_handle: VSI handle
*
* return the HW VSI number
* Caution: call this function only if VSI is valid (ice_is_vsi_valid)
*/
u16 ice_get_hw_vsi_num(struct ice_hw *hw, u16 vsi_handle)
{
return hw->vsi_ctx[vsi_handle]->vsi_num;
}
/**
* ice_get_vsi_ctx - return the VSI context entry for a given VSI handle
* @hw: pointer to the HW struct
* @vsi_handle: VSI handle
*
* return the VSI context entry for a given VSI handle
*/
struct ice_vsi_ctx *ice_get_vsi_ctx(struct ice_hw *hw, u16 vsi_handle)
{
return (vsi_handle >= ICE_MAX_VSI) ? NULL : hw->vsi_ctx[vsi_handle];
}
/**
* ice_save_vsi_ctx - save the VSI context for a given VSI handle
* @hw: pointer to the HW struct
* @vsi_handle: VSI handle
* @vsi: VSI context pointer
*
* save the VSI context entry for a given VSI handle
*/
static void
ice_save_vsi_ctx(struct ice_hw *hw, u16 vsi_handle, struct ice_vsi_ctx *vsi)
{
hw->vsi_ctx[vsi_handle] = vsi;
}
/**
* ice_clear_vsi_q_ctx - clear VSI queue contexts for all TCs
* @hw: pointer to the HW struct
* @vsi_handle: VSI handle
*/
static void ice_clear_vsi_q_ctx(struct ice_hw *hw, u16 vsi_handle)
{
struct ice_vsi_ctx *vsi;
u8 i;
vsi = ice_get_vsi_ctx(hw, vsi_handle);
if (!vsi)
return;
ice_for_each_traffic_class(i) {
if (vsi->lan_q_ctx[i]) {
ice_free(hw, vsi->lan_q_ctx[i]);
vsi->lan_q_ctx[i] = NULL;
}
if (vsi->rdma_q_ctx[i]) {
ice_free(hw, vsi->rdma_q_ctx[i]);
vsi->rdma_q_ctx[i] = NULL;
}
}
}
/**
* ice_clear_vsi_ctx - clear the VSI context entry
* @hw: pointer to the HW struct
* @vsi_handle: VSI handle
*
* clear the VSI context entry
*/
static void ice_clear_vsi_ctx(struct ice_hw *hw, u16 vsi_handle)
{
struct ice_vsi_ctx *vsi;
vsi = ice_get_vsi_ctx(hw, vsi_handle);
if (vsi) {
ice_clear_vsi_q_ctx(hw, vsi_handle);
ice_free(hw, vsi);
hw->vsi_ctx[vsi_handle] = NULL;
}
}
/**
* ice_clear_all_vsi_ctx - clear all the VSI context entries
* @hw: pointer to the HW struct
*/
void ice_clear_all_vsi_ctx(struct ice_hw *hw)
{
u16 i;
for (i = 0; i < ICE_MAX_VSI; i++)
ice_clear_vsi_ctx(hw, i);
}
/**
* ice_add_vsi - add VSI context to the hardware and VSI handle list
* @hw: pointer to the HW struct
* @vsi_handle: unique VSI handle provided by drivers
* @vsi_ctx: pointer to a VSI context struct
* @cd: pointer to command details structure or NULL
*
* Add a VSI context to the hardware also add it into the VSI handle list.
* If this function gets called after reset for existing VSIs then update
* with the new HW VSI number in the corresponding VSI handle list entry.
*/
enum ice_status
ice_add_vsi(struct ice_hw *hw, u16 vsi_handle, struct ice_vsi_ctx *vsi_ctx,
struct ice_sq_cd *cd)
{
struct ice_vsi_ctx *tmp_vsi_ctx;
enum ice_status status;
if (vsi_handle >= ICE_MAX_VSI)
return ICE_ERR_PARAM;
status = ice_aq_add_vsi(hw, vsi_ctx, cd);
if (status)
return status;
tmp_vsi_ctx = ice_get_vsi_ctx(hw, vsi_handle);
if (!tmp_vsi_ctx) {
/* Create a new VSI context */
tmp_vsi_ctx = (struct ice_vsi_ctx *)
ice_malloc(hw, sizeof(*tmp_vsi_ctx));
if (!tmp_vsi_ctx) {
ice_aq_free_vsi(hw, vsi_ctx, false, cd);
return ICE_ERR_NO_MEMORY;
}
*tmp_vsi_ctx = *vsi_ctx;
ice_save_vsi_ctx(hw, vsi_handle, tmp_vsi_ctx);
} else {
/* update with new HW VSI num */
tmp_vsi_ctx->vsi_num = vsi_ctx->vsi_num;
}
return ICE_SUCCESS;
}
/**
* ice_free_vsi- free VSI context from hardware and VSI handle list
* @hw: pointer to the HW struct
* @vsi_handle: unique VSI handle
* @vsi_ctx: pointer to a VSI context struct
* @keep_vsi_alloc: keep VSI allocation as part of this PF's resources
* @cd: pointer to command details structure or NULL
*
* Free VSI context info from hardware as well as from VSI handle list
*/
enum ice_status
ice_free_vsi(struct ice_hw *hw, u16 vsi_handle, struct ice_vsi_ctx *vsi_ctx,
bool keep_vsi_alloc, struct ice_sq_cd *cd)
{
enum ice_status status;
if (!ice_is_vsi_valid(hw, vsi_handle))
return ICE_ERR_PARAM;
vsi_ctx->vsi_num = ice_get_hw_vsi_num(hw, vsi_handle);
status = ice_aq_free_vsi(hw, vsi_ctx, keep_vsi_alloc, cd);
if (!status)
ice_clear_vsi_ctx(hw, vsi_handle);
return status;
}
/**
* ice_update_vsi
* @hw: pointer to the HW struct
* @vsi_handle: unique VSI handle
* @vsi_ctx: pointer to a VSI context struct
* @cd: pointer to command details structure or NULL
*
* Update VSI context in the hardware
*/
enum ice_status
ice_update_vsi(struct ice_hw *hw, u16 vsi_handle, struct ice_vsi_ctx *vsi_ctx,
struct ice_sq_cd *cd)
{
if (!ice_is_vsi_valid(hw, vsi_handle))
return ICE_ERR_PARAM;
vsi_ctx->vsi_num = ice_get_hw_vsi_num(hw, vsi_handle);
return ice_aq_update_vsi(hw, vsi_ctx, cd);
}
/**
* ice_cfg_iwarp_fltr - enable/disable iWARP filtering on VSI
* @hw: pointer to HW struct
* @vsi_handle: VSI SW index
* @enable: boolean for enable/disable
*/
enum ice_status
ice_cfg_iwarp_fltr(struct ice_hw *hw, u16 vsi_handle, bool enable)
{
struct ice_vsi_ctx *ctx, *cached_ctx;
enum ice_status status;
cached_ctx = ice_get_vsi_ctx(hw, vsi_handle);
if (!cached_ctx)
return ICE_ERR_DOES_NOT_EXIST;
ctx = (struct ice_vsi_ctx *)ice_calloc(hw, 1, sizeof(*ctx));
if (!ctx)
return ICE_ERR_NO_MEMORY;
ctx->info.q_opt_rss = cached_ctx->info.q_opt_rss;
ctx->info.q_opt_tc = cached_ctx->info.q_opt_tc;
ctx->info.q_opt_flags = cached_ctx->info.q_opt_flags;
ctx->info.valid_sections = CPU_TO_LE16(ICE_AQ_VSI_PROP_Q_OPT_VALID);
if (enable)
ctx->info.q_opt_flags |= ICE_AQ_VSI_Q_OPT_PE_FLTR_EN;
else
ctx->info.q_opt_flags &= ~ICE_AQ_VSI_Q_OPT_PE_FLTR_EN;
status = ice_update_vsi(hw, vsi_handle, ctx, NULL);
if (!status) {
cached_ctx->info.q_opt_flags = ctx->info.q_opt_flags;
cached_ctx->info.valid_sections |= ctx->info.valid_sections;
}
ice_free(hw, ctx);
return status;
}
/**
* ice_aq_get_vsi_params
* @hw: pointer to the HW struct
* @vsi_ctx: pointer to a VSI context struct
* @cd: pointer to command details structure or NULL
*
* Get VSI context info from hardware (0x0212)
*/
enum ice_status
ice_aq_get_vsi_params(struct ice_hw *hw, struct ice_vsi_ctx *vsi_ctx,
struct ice_sq_cd *cd)
{
struct ice_aqc_add_get_update_free_vsi *cmd;
struct ice_aqc_get_vsi_resp *resp;
struct ice_aq_desc desc;
enum ice_status status;
cmd = &desc.params.vsi_cmd;
resp = &desc.params.get_vsi_resp;
ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_vsi_params);
cmd->vsi_num = CPU_TO_LE16(vsi_ctx->vsi_num | ICE_AQ_VSI_IS_VALID);
status = ice_aq_send_cmd(hw, &desc, &vsi_ctx->info,
sizeof(vsi_ctx->info), cd);
if (!status) {
vsi_ctx->vsi_num = LE16_TO_CPU(resp->vsi_num) &
ICE_AQ_VSI_NUM_M;
vsi_ctx->vf_num = resp->vf_id;
vsi_ctx->vsis_allocd = LE16_TO_CPU(resp->vsi_used);
vsi_ctx->vsis_unallocated = LE16_TO_CPU(resp->vsi_free);
}
return status;
}
/**
* ice_aq_add_update_mir_rule - add/update a mirror rule
* @hw: pointer to the HW struct
* @rule_type: Rule Type
* @dest_vsi: VSI number to which packets will be mirrored
* @count: length of the list
* @mr_buf: buffer for list of mirrored VSI numbers
* @cd: pointer to command details structure or NULL
* @rule_id: Rule ID
*
* Add/Update Mirror Rule (0x260).
*/
enum ice_status
ice_aq_add_update_mir_rule(struct ice_hw *hw, u16 rule_type, u16 dest_vsi,
u16 count, struct ice_mir_rule_buf *mr_buf,
struct ice_sq_cd *cd, u16 *rule_id)
{
struct ice_aqc_add_update_mir_rule *cmd;
struct ice_aq_desc desc;
enum ice_status status;
__le16 *mr_list = NULL;
u16 buf_size = 0;
switch (rule_type) {
case ICE_AQC_RULE_TYPE_VPORT_INGRESS:
case ICE_AQC_RULE_TYPE_VPORT_EGRESS:
/* Make sure count and mr_buf are set for these rule_types */
if (!(count && mr_buf))
return ICE_ERR_PARAM;
buf_size = count * sizeof(__le16);
mr_list = (_FORCE_ __le16 *)ice_malloc(hw, buf_size);
if (!mr_list)
return ICE_ERR_NO_MEMORY;
break;
case ICE_AQC_RULE_TYPE_PPORT_INGRESS:
case ICE_AQC_RULE_TYPE_PPORT_EGRESS:
/* Make sure count and mr_buf are not set for these
* rule_types
*/
if (count || mr_buf)
return ICE_ERR_PARAM;
break;
default:
ice_debug(hw, ICE_DBG_SW, "Error due to unsupported rule_type %u\n", rule_type);
return ICE_ERR_OUT_OF_RANGE;
}
ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_add_update_mir_rule);
/* Pre-process 'mr_buf' items for add/update of virtual port
* ingress/egress mirroring (but not physical port ingress/egress
* mirroring)
*/
if (mr_buf) {
int i;
for (i = 0; i < count; i++) {
u16 id;
id = mr_buf[i].vsi_idx & ICE_AQC_RULE_MIRRORED_VSI_M;
/* Validate specified VSI number, make sure it is less
* than ICE_MAX_VSI, if not return with error.
*/
if (id >= ICE_MAX_VSI) {
ice_debug(hw, ICE_DBG_SW, "Error VSI index (%u) out-of-range\n",
id);
ice_free(hw, mr_list);
return ICE_ERR_OUT_OF_RANGE;
}
/* add VSI to mirror rule */
if (mr_buf[i].add)
mr_list[i] =
CPU_TO_LE16(id | ICE_AQC_RULE_ACT_M);
else /* remove VSI from mirror rule */
mr_list[i] = CPU_TO_LE16(id);
}
desc.flags |= CPU_TO_LE16(ICE_AQ_FLAG_RD);
}
cmd = &desc.params.add_update_rule;
if ((*rule_id) != ICE_INVAL_MIRROR_RULE_ID)
cmd->rule_id = CPU_TO_LE16(((*rule_id) & ICE_AQC_RULE_ID_M) |
ICE_AQC_RULE_ID_VALID_M);
cmd->rule_type = CPU_TO_LE16(rule_type & ICE_AQC_RULE_TYPE_M);
cmd->num_entries = CPU_TO_LE16(count);
cmd->dest = CPU_TO_LE16(dest_vsi);
status = ice_aq_send_cmd(hw, &desc, mr_list, buf_size, cd);
if (!status)
*rule_id = LE16_TO_CPU(cmd->rule_id) & ICE_AQC_RULE_ID_M;
ice_free(hw, mr_list);
return status;
}
/**
* ice_aq_delete_mir_rule - delete a mirror rule
* @hw: pointer to the HW struct
* @rule_id: Mirror rule ID (to be deleted)
* @keep_allocd: if set, the VSI stays part of the PF allocated res,
* otherwise it is returned to the shared pool
* @cd: pointer to command details structure or NULL
*
* Delete Mirror Rule (0x261).
*/
enum ice_status
ice_aq_delete_mir_rule(struct ice_hw *hw, u16 rule_id, bool keep_allocd,
struct ice_sq_cd *cd)
{
struct ice_aqc_delete_mir_rule *cmd;
struct ice_aq_desc desc;
/* rule_id should be in the range 0...63 */
if (rule_id >= ICE_MAX_NUM_MIRROR_RULES)
return ICE_ERR_OUT_OF_RANGE;
ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_del_mir_rule);
cmd = &desc.params.del_rule;
rule_id |= ICE_AQC_RULE_ID_VALID_M;
cmd->rule_id = CPU_TO_LE16(rule_id);
if (keep_allocd)
cmd->flags = CPU_TO_LE16(ICE_AQC_FLAG_KEEP_ALLOCD_M);
return ice_aq_send_cmd(hw, &desc, NULL, 0, cd);
}
/**
* ice_aq_alloc_free_vsi_list
* @hw: pointer to the HW struct
* @vsi_list_id: VSI list ID returned or used for lookup
* @lkup_type: switch rule filter lookup type
* @opc: switch rules population command type - pass in the command opcode
*
* allocates or free a VSI list resource
*/
static enum ice_status
ice_aq_alloc_free_vsi_list(struct ice_hw *hw, u16 *vsi_list_id,
enum ice_sw_lkup_type lkup_type,
enum ice_adminq_opc opc)
{
struct ice_aqc_alloc_free_res_elem *sw_buf;
struct ice_aqc_res_elem *vsi_ele;
enum ice_status status;
u16 buf_len;
buf_len = ice_struct_size(sw_buf, elem, 1);
sw_buf = (struct ice_aqc_alloc_free_res_elem *)ice_malloc(hw, buf_len);
if (!sw_buf)
return ICE_ERR_NO_MEMORY;
sw_buf->num_elems = CPU_TO_LE16(1);
if (lkup_type == ICE_SW_LKUP_MAC ||
lkup_type == ICE_SW_LKUP_MAC_VLAN ||
lkup_type == ICE_SW_LKUP_ETHERTYPE ||
lkup_type == ICE_SW_LKUP_ETHERTYPE_MAC ||
lkup_type == ICE_SW_LKUP_PROMISC ||
lkup_type == ICE_SW_LKUP_PROMISC_VLAN ||
lkup_type == ICE_SW_LKUP_DFLT ||
lkup_type == ICE_SW_LKUP_LAST) {
sw_buf->res_type = CPU_TO_LE16(ICE_AQC_RES_TYPE_VSI_LIST_REP);
} else if (lkup_type == ICE_SW_LKUP_VLAN) {
sw_buf->res_type =
CPU_TO_LE16(ICE_AQC_RES_TYPE_VSI_LIST_PRUNE);
} else {
status = ICE_ERR_PARAM;
goto ice_aq_alloc_free_vsi_list_exit;
}
if (opc == ice_aqc_opc_free_res)
sw_buf->elem[0].e.sw_resp = CPU_TO_LE16(*vsi_list_id);
status = ice_aq_alloc_free_res(hw, 1, sw_buf, buf_len, opc, NULL);
if (status)
goto ice_aq_alloc_free_vsi_list_exit;
if (opc == ice_aqc_opc_alloc_res) {
vsi_ele = &sw_buf->elem[0];
*vsi_list_id = LE16_TO_CPU(vsi_ele->e.sw_resp);
}
ice_aq_alloc_free_vsi_list_exit:
ice_free(hw, sw_buf);
return status;
}
/**
* ice_aq_set_storm_ctrl - Sets storm control configuration
* @hw: pointer to the HW struct
* @bcast_thresh: represents the upper threshold for broadcast storm control
* @mcast_thresh: represents the upper threshold for multicast storm control
* @ctl_bitmask: storm control knobs
*
* Sets the storm control configuration (0x0280)
*/
enum ice_status
ice_aq_set_storm_ctrl(struct ice_hw *hw, u32 bcast_thresh, u32 mcast_thresh,
u32 ctl_bitmask)
{
struct ice_aqc_storm_cfg *cmd;
struct ice_aq_desc desc;
cmd = &desc.params.storm_conf;
ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_set_storm_cfg);
cmd->bcast_thresh_size = CPU_TO_LE32(bcast_thresh & ICE_AQ_THRESHOLD_M);
cmd->mcast_thresh_size = CPU_TO_LE32(mcast_thresh & ICE_AQ_THRESHOLD_M);
cmd->storm_ctrl_ctrl = CPU_TO_LE32(ctl_bitmask);
return ice_aq_send_cmd(hw, &desc, NULL, 0, NULL);
}
/**
* ice_aq_get_storm_ctrl - gets storm control configuration
* @hw: pointer to the HW struct
* @bcast_thresh: represents the upper threshold for broadcast storm control
* @mcast_thresh: represents the upper threshold for multicast storm control
* @ctl_bitmask: storm control knobs
*
* Gets the storm control configuration (0x0281)
*/
enum ice_status
ice_aq_get_storm_ctrl(struct ice_hw *hw, u32 *bcast_thresh, u32 *mcast_thresh,
u32 *ctl_bitmask)
{
enum ice_status status;
struct ice_aq_desc desc;
ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_storm_cfg);
status = ice_aq_send_cmd(hw, &desc, NULL, 0, NULL);
if (!status) {
struct ice_aqc_storm_cfg *resp = &desc.params.storm_conf;
if (bcast_thresh)
*bcast_thresh = LE32_TO_CPU(resp->bcast_thresh_size) &
ICE_AQ_THRESHOLD_M;
if (mcast_thresh)
*mcast_thresh = LE32_TO_CPU(resp->mcast_thresh_size) &
ICE_AQ_THRESHOLD_M;
if (ctl_bitmask)
*ctl_bitmask = LE32_TO_CPU(resp->storm_ctrl_ctrl);
}
return status;
}
/**
* ice_aq_sw_rules - add/update/remove switch rules
* @hw: pointer to the HW struct
* @rule_list: pointer to switch rule population list
* @rule_list_sz: total size of the rule list in bytes
* @num_rules: number of switch rules in the rule_list
* @opc: switch rules population command type - pass in the command opcode
* @cd: pointer to command details structure or NULL
*
* Add(0x02a0)/Update(0x02a1)/Remove(0x02a2) switch rules commands to firmware
*/
enum ice_status
ice_aq_sw_rules(struct ice_hw *hw, void *rule_list, u16 rule_list_sz,
u8 num_rules, enum ice_adminq_opc opc, struct ice_sq_cd *cd)
{
struct ice_aq_desc desc;
enum ice_status status;
ice_debug(hw, ICE_DBG_TRACE, "%s\n", __func__);
if (opc != ice_aqc_opc_add_sw_rules &&
opc != ice_aqc_opc_update_sw_rules &&
opc != ice_aqc_opc_remove_sw_rules)
return ICE_ERR_PARAM;
ice_fill_dflt_direct_cmd_desc(&desc, opc);
desc.flags |= CPU_TO_LE16(ICE_AQ_FLAG_RD);
desc.params.sw_rules.num_rules_fltr_entry_index =
CPU_TO_LE16(num_rules);
status = ice_aq_send_cmd(hw, &desc, rule_list, rule_list_sz, cd);
if (opc != ice_aqc_opc_add_sw_rules &&
hw->adminq.sq_last_status == ICE_AQ_RC_ENOENT)
status = ICE_ERR_DOES_NOT_EXIST;
return status;
}
/* ice_init_port_info - Initialize port_info with switch configuration data
* @pi: pointer to port_info
* @vsi_port_num: VSI number or port number
* @type: Type of switch element (port or VSI)
* @swid: switch ID of the switch the element is attached to
* @pf_vf_num: PF or VF number
* @is_vf: true if the element is a VF, false otherwise
*/
static void
ice_init_port_info(struct ice_port_info *pi, u16 vsi_port_num, u8 type,
u16 swid, u16 pf_vf_num, bool is_vf)
{
switch (type) {
case ICE_AQC_GET_SW_CONF_RESP_PHYS_PORT:
pi->lport = (u8)(vsi_port_num & ICE_LPORT_MASK);
pi->sw_id = swid;
pi->pf_vf_num = pf_vf_num;
pi->is_vf = is_vf;
break;
default:
ice_debug(pi->hw, ICE_DBG_SW, "incorrect VSI/port type received\n");
break;
}
}
/* ice_get_initial_sw_cfg - Get initial port and default VSI data
* @hw: pointer to the hardware structure
*/
enum ice_status ice_get_initial_sw_cfg(struct ice_hw *hw)
{
struct ice_aqc_get_sw_cfg_resp_elem *rbuf;
enum ice_status status;
u8 num_total_ports;
u16 req_desc = 0;
u16 num_elems;
u8 j = 0;
u16 i;
num_total_ports = 1;
rbuf = (struct ice_aqc_get_sw_cfg_resp_elem *)
ice_malloc(hw, ICE_SW_CFG_MAX_BUF_LEN);
if (!rbuf)
return ICE_ERR_NO_MEMORY;
/* Multiple calls to ice_aq_get_sw_cfg may be required
* to get all the switch configuration information. The need
* for additional calls is indicated by ice_aq_get_sw_cfg
* writing a non-zero value in req_desc
*/
do {
struct ice_aqc_get_sw_cfg_resp_elem *ele;
status = ice_aq_get_sw_cfg(hw, rbuf, ICE_SW_CFG_MAX_BUF_LEN,
&req_desc, &num_elems, NULL);
if (status)
break;
for (i = 0, ele = rbuf; i < num_elems; i++, ele++) {
u16 pf_vf_num, swid, vsi_port_num;
bool is_vf = false;
u8 res_type;
vsi_port_num = LE16_TO_CPU(ele->vsi_port_num) &
ICE_AQC_GET_SW_CONF_RESP_VSI_PORT_NUM_M;
pf_vf_num = LE16_TO_CPU(ele->pf_vf_num) &
ICE_AQC_GET_SW_CONF_RESP_FUNC_NUM_M;
swid = LE16_TO_CPU(ele->swid);
if (LE16_TO_CPU(ele->pf_vf_num) &
ICE_AQC_GET_SW_CONF_RESP_IS_VF)
is_vf = true;
res_type = (u8)(LE16_TO_CPU(ele->vsi_port_num) >>
ICE_AQC_GET_SW_CONF_RESP_TYPE_S);
switch (res_type) {
case ICE_AQC_GET_SW_CONF_RESP_PHYS_PORT:
case ICE_AQC_GET_SW_CONF_RESP_VIRT_PORT:
if (j == num_total_ports) {
ice_debug(hw, ICE_DBG_SW, "more ports than expected\n");
status = ICE_ERR_CFG;
goto out;
}
ice_init_port_info(hw->port_info,
vsi_port_num, res_type, swid,
pf_vf_num, is_vf);
j++;
break;
default:
break;
}
}
} while (req_desc && !status);
out:
ice_free(hw, rbuf);
return status;
}
/**
* ice_fill_sw_info - Helper function to populate lb_en and lan_en
* @hw: pointer to the hardware structure
* @fi: filter info structure to fill/update
*
* This helper function populates the lb_en and lan_en elements of the provided
* ice_fltr_info struct using the switch's type and characteristics of the
* switch rule being configured.
*/
static void ice_fill_sw_info(struct ice_hw *hw, struct ice_fltr_info *fi)
{
fi->lb_en = false;
fi->lan_en = false;
if ((fi->flag & ICE_FLTR_TX) &&
(fi->fltr_act == ICE_FWD_TO_VSI ||
fi->fltr_act == ICE_FWD_TO_VSI_LIST ||
fi->fltr_act == ICE_FWD_TO_Q ||
fi->fltr_act == ICE_FWD_TO_QGRP)) {
/* Setting LB for prune actions will result in replicated
* packets to the internal switch that will be dropped.
*/
if (fi->lkup_type != ICE_SW_LKUP_VLAN)
fi->lb_en = true;
/* Set lan_en to TRUE if
* 1. The switch is a VEB AND
* 2
* 2.1 The lookup is a directional lookup like ethertype,
* promiscuous, ethertype-MAC, promiscuous-VLAN
* and default-port OR
* 2.2 The lookup is VLAN, OR
* 2.3 The lookup is MAC with mcast or bcast addr for MAC, OR
* 2.4 The lookup is MAC_VLAN with mcast or bcast addr for MAC.
*
* OR
*
* The switch is a VEPA.
*
* In all other cases, the LAN enable has to be set to false.
*/
if (hw->evb_veb) {
if (fi->lkup_type == ICE_SW_LKUP_ETHERTYPE ||
fi->lkup_type == ICE_SW_LKUP_PROMISC ||
fi->lkup_type == ICE_SW_LKUP_ETHERTYPE_MAC ||
fi->lkup_type == ICE_SW_LKUP_PROMISC_VLAN ||
fi->lkup_type == ICE_SW_LKUP_DFLT ||
fi->lkup_type == ICE_SW_LKUP_VLAN ||
(fi->lkup_type == ICE_SW_LKUP_MAC &&
!IS_UNICAST_ETHER_ADDR(fi->l_data.mac.mac_addr)) ||
(fi->lkup_type == ICE_SW_LKUP_MAC_VLAN &&
!IS_UNICAST_ETHER_ADDR(fi->l_data.mac.mac_addr)))
fi->lan_en = true;
} else {
fi->lan_en = true;
}
}
/* To be able to receive packets coming from the VF on the same PF,
* unicast filter needs to be added without LB_EN bit
*/
if (fi->flag & ICE_FLTR_RX_LB) {
fi->lb_en = false;
fi->lan_en = true;
}
}
/**
* ice_fill_sw_rule - Helper function to fill switch rule structure
* @hw: pointer to the hardware structure
* @f_info: entry containing packet forwarding information
* @s_rule: switch rule structure to be filled in based on mac_entry
* @opc: switch rules population command type - pass in the command opcode
*/
static void
ice_fill_sw_rule(struct ice_hw *hw, struct ice_fltr_info *f_info,
struct ice_sw_rule_lkup_rx_tx *s_rule,
enum ice_adminq_opc opc)
{
u16 vlan_id = ICE_MAX_VLAN_ID + 1;
u16 vlan_tpid = ICE_ETH_P_8021Q;
void *daddr = NULL;
u16 eth_hdr_sz;
u8 *eth_hdr;
u32 act = 0;
__be16 *off;
u8 q_rgn;
if (opc == ice_aqc_opc_remove_sw_rules) {
s_rule->act = 0;
s_rule->index = CPU_TO_LE16(f_info->fltr_rule_id);
s_rule->hdr_len = 0;
return;
}
eth_hdr_sz = sizeof(dummy_eth_header);
eth_hdr = s_rule->hdr_data;
/* initialize the ether header with a dummy header */
ice_memcpy(eth_hdr, dummy_eth_header, eth_hdr_sz, ICE_NONDMA_TO_NONDMA);
ice_fill_sw_info(hw, f_info);
switch (f_info->fltr_act) {
case ICE_FWD_TO_VSI:
act |= (f_info->fwd_id.hw_vsi_id << ICE_SINGLE_ACT_VSI_ID_S) &
ICE_SINGLE_ACT_VSI_ID_M;
if (f_info->lkup_type != ICE_SW_LKUP_VLAN)
act |= ICE_SINGLE_ACT_VSI_FORWARDING |
ICE_SINGLE_ACT_VALID_BIT;
break;
case ICE_FWD_TO_VSI_LIST:
act |= ICE_SINGLE_ACT_VSI_LIST;
act |= (f_info->fwd_id.vsi_list_id <<
ICE_SINGLE_ACT_VSI_LIST_ID_S) &
ICE_SINGLE_ACT_VSI_LIST_ID_M;
if (f_info->lkup_type != ICE_SW_LKUP_VLAN)
act |= ICE_SINGLE_ACT_VSI_FORWARDING |
ICE_SINGLE_ACT_VALID_BIT;
break;
case ICE_FWD_TO_Q:
act |= ICE_SINGLE_ACT_TO_Q;
act |= (f_info->fwd_id.q_id << ICE_SINGLE_ACT_Q_INDEX_S) &
ICE_SINGLE_ACT_Q_INDEX_M;
break;
case ICE_DROP_PACKET:
act |= ICE_SINGLE_ACT_VSI_FORWARDING | ICE_SINGLE_ACT_DROP |
ICE_SINGLE_ACT_VALID_BIT;
break;
case ICE_FWD_TO_QGRP:
q_rgn = f_info->qgrp_size > 0 ?
(u8)ice_ilog2(f_info->qgrp_size) : 0;
act |= ICE_SINGLE_ACT_TO_Q;
act |= (f_info->fwd_id.q_id << ICE_SINGLE_ACT_Q_INDEX_S) &
ICE_SINGLE_ACT_Q_INDEX_M;
act |= (q_rgn << ICE_SINGLE_ACT_Q_REGION_S) &
ICE_SINGLE_ACT_Q_REGION_M;
break;
default:
return;
}
if (f_info->lb_en)
act |= ICE_SINGLE_ACT_LB_ENABLE;
if (f_info->lan_en)
act |= ICE_SINGLE_ACT_LAN_ENABLE;
switch (f_info->lkup_type) {
case ICE_SW_LKUP_MAC:
daddr = f_info->l_data.mac.mac_addr;
break;
case ICE_SW_LKUP_VLAN:
vlan_id = f_info->l_data.vlan.vlan_id;
if (f_info->l_data.vlan.tpid_valid)
vlan_tpid = f_info->l_data.vlan.tpid;
if (f_info->fltr_act == ICE_FWD_TO_VSI ||
f_info->fltr_act == ICE_FWD_TO_VSI_LIST) {
act |= ICE_SINGLE_ACT_PRUNE;
act |= ICE_SINGLE_ACT_EGRESS | ICE_SINGLE_ACT_INGRESS;
}
break;
case ICE_SW_LKUP_ETHERTYPE_MAC:
daddr = f_info->l_data.ethertype_mac.mac_addr;
/* fall-through */
case ICE_SW_LKUP_ETHERTYPE:
off = (_FORCE_ __be16 *)(eth_hdr + ICE_ETH_ETHTYPE_OFFSET);
*off = CPU_TO_BE16(f_info->l_data.ethertype_mac.ethertype);
break;
case ICE_SW_LKUP_MAC_VLAN:
daddr = f_info->l_data.mac_vlan.mac_addr;
vlan_id = f_info->l_data.mac_vlan.vlan_id;
break;
case ICE_SW_LKUP_PROMISC_VLAN:
vlan_id = f_info->l_data.mac_vlan.vlan_id;
/* fall-through */
case ICE_SW_LKUP_PROMISC:
daddr = f_info->l_data.mac_vlan.mac_addr;
break;
default:
break;
}
s_rule->hdr.type = (f_info->flag & ICE_FLTR_RX) ?
CPU_TO_LE16(ICE_AQC_SW_RULES_T_LKUP_RX) :
CPU_TO_LE16(ICE_AQC_SW_RULES_T_LKUP_TX);
/* Recipe set depending on lookup type */
s_rule->recipe_id = CPU_TO_LE16(f_info->lkup_type);
s_rule->src = CPU_TO_LE16(f_info->src);
s_rule->act = CPU_TO_LE32(act);
if (daddr)
ice_memcpy(eth_hdr + ICE_ETH_DA_OFFSET, daddr, ETH_ALEN,
ICE_NONDMA_TO_NONDMA);
if (!(vlan_id > ICE_MAX_VLAN_ID)) {
off = (_FORCE_ __be16 *)(eth_hdr + ICE_ETH_VLAN_TCI_OFFSET);
*off = CPU_TO_BE16(vlan_id);
off = (_FORCE_ __be16 *)(eth_hdr + ICE_ETH_ETHTYPE_OFFSET);
*off = CPU_TO_BE16(vlan_tpid);
}
/* Create the switch rule with the final dummy Ethernet header */
if (opc != ice_aqc_opc_update_sw_rules)
s_rule->hdr_len = CPU_TO_LE16(eth_hdr_sz);
}
/**
* ice_add_marker_act
* @hw: pointer to the hardware structure
* @m_ent: the management entry for which sw marker needs to be added
* @sw_marker: sw marker to tag the Rx descriptor with
* @l_id: large action resource ID
*
* Create a large action to hold software marker and update the switch rule
* entry pointed by m_ent with newly created large action
*/
static enum ice_status
ice_add_marker_act(struct ice_hw *hw, struct ice_fltr_mgmt_list_entry *m_ent,
u16 sw_marker, u16 l_id)
{
struct ice_sw_rule_lkup_rx_tx *rx_tx;
struct ice_sw_rule_lg_act *lg_act;
/* For software marker we need 3 large actions
* 1. FWD action: FWD TO VSI or VSI LIST
* 2. GENERIC VALUE action to hold the profile ID
* 3. GENERIC VALUE action to hold the software marker ID
*/
const u16 num_lg_acts = 3;
enum ice_status status;
u16 lg_act_size;
u16 rules_size;
u32 act;
u16 id;
if (m_ent->fltr_info.lkup_type != ICE_SW_LKUP_MAC)
return ICE_ERR_PARAM;
/* Create two back-to-back switch rules and submit them to the HW using
* one memory buffer:
* 1. Large Action
* 2. Look up Tx Rx
*/
lg_act_size = (u16)ice_struct_size(lg_act, act, num_lg_acts);
rules_size = lg_act_size +
ice_struct_size(rx_tx, hdr_data, DUMMY_ETH_HDR_LEN);
lg_act = (struct ice_sw_rule_lg_act *)ice_malloc(hw, rules_size);
if (!lg_act)
return ICE_ERR_NO_MEMORY;
rx_tx = (struct ice_sw_rule_lkup_rx_tx *)((u8 *)lg_act + lg_act_size);
/* Fill in the first switch rule i.e. large action */
lg_act->hdr.type = CPU_TO_LE16(ICE_AQC_SW_RULES_T_LG_ACT);
lg_act->index = CPU_TO_LE16(l_id);
lg_act->size = CPU_TO_LE16(num_lg_acts);
/* First action VSI forwarding or VSI list forwarding depending on how
* many VSIs
*/
id = (m_ent->vsi_count > 1) ? m_ent->fltr_info.fwd_id.vsi_list_id :
m_ent->fltr_info.fwd_id.hw_vsi_id;
act = ICE_LG_ACT_VSI_FORWARDING | ICE_LG_ACT_VALID_BIT;
act |= (id << ICE_LG_ACT_VSI_LIST_ID_S) & ICE_LG_ACT_VSI_LIST_ID_M;
if (m_ent->vsi_count > 1)
act |= ICE_LG_ACT_VSI_LIST;
lg_act->act[0] = CPU_TO_LE32(act);
/* Second action descriptor type */
act = ICE_LG_ACT_GENERIC;
act |= (1 << ICE_LG_ACT_GENERIC_VALUE_S) & ICE_LG_ACT_GENERIC_VALUE_M;
lg_act->act[1] = CPU_TO_LE32(act);
act = (ICE_LG_ACT_GENERIC_OFF_RX_DESC_PROF_IDX <<
ICE_LG_ACT_GENERIC_OFFSET_S) & ICE_LG_ACT_GENERIC_OFFSET_M;
/* Third action Marker value */
act |= ICE_LG_ACT_GENERIC;
act |= (sw_marker << ICE_LG_ACT_GENERIC_VALUE_S) &
ICE_LG_ACT_GENERIC_VALUE_M;
lg_act->act[2] = CPU_TO_LE32(act);
/* call the fill switch rule to fill the lookup Tx Rx structure */
ice_fill_sw_rule(hw, &m_ent->fltr_info, rx_tx,
ice_aqc_opc_update_sw_rules);
/* Update the action to point to the large action ID */
rx_tx->act = CPU_TO_LE32(ICE_SINGLE_ACT_PTR |
((l_id << ICE_SINGLE_ACT_PTR_VAL_S) &
ICE_SINGLE_ACT_PTR_VAL_M));
/* Use the filter rule ID of the previously created rule with single
* act. Once the update happens, hardware will treat this as large
* action
*/
rx_tx->index = CPU_TO_LE16(m_ent->fltr_info.fltr_rule_id);
status = ice_aq_sw_rules(hw, lg_act, rules_size, 2,
ice_aqc_opc_update_sw_rules, NULL);
if (!status) {
m_ent->lg_act_idx = l_id;
m_ent->sw_marker_id = sw_marker;
}
ice_free(hw, lg_act);
return status;
}
/**
* ice_add_counter_act - add/update filter rule with counter action
* @hw: pointer to the hardware structure
* @m_ent: the management entry for which counter needs to be added
* @counter_id: VLAN counter ID returned as part of allocate resource
* @l_id: large action resource ID
*/
static enum ice_status
ice_add_counter_act(struct ice_hw *hw, struct ice_fltr_mgmt_list_entry *m_ent,
u16 counter_id, u16 l_id)
{
struct ice_sw_rule_lkup_rx_tx *rx_tx;
struct ice_sw_rule_lg_act *lg_act;
enum ice_status status;
/* 2 actions will be added while adding a large action counter */
const int num_acts = 2;
u16 lg_act_size;
u16 rules_size;
u16 f_rule_id;
u32 act;
u16 id;
if (m_ent->fltr_info.lkup_type != ICE_SW_LKUP_MAC)
return ICE_ERR_PARAM;
/* Create two back-to-back switch rules and submit them to the HW using
* one memory buffer:
* 1. Large Action
* 2. Look up Tx Rx
*/
lg_act_size = (u16)ice_struct_size(lg_act, act, num_acts);
rules_size = lg_act_size +
ice_struct_size(rx_tx, hdr_data, DUMMY_ETH_HDR_LEN);
lg_act = (struct ice_sw_rule_lg_act *)ice_malloc(hw, rules_size);
if (!lg_act)
return ICE_ERR_NO_MEMORY;
rx_tx = (struct ice_sw_rule_lkup_rx_tx *)((u8 *)lg_act +
lg_act_size);
/* Fill in the first switch rule i.e. large action */
lg_act->hdr.type = CPU_TO_LE16(ICE_AQC_SW_RULES_T_LG_ACT);
lg_act->index = CPU_TO_LE16(l_id);
lg_act->size = CPU_TO_LE16(num_acts);
/* First action VSI forwarding or VSI list forwarding depending on how
* many VSIs
*/
id = (m_ent->vsi_count > 1) ? m_ent->fltr_info.fwd_id.vsi_list_id :
m_ent->fltr_info.fwd_id.hw_vsi_id;
act = ICE_LG_ACT_VSI_FORWARDING | ICE_LG_ACT_VALID_BIT;
act |= (id << ICE_LG_ACT_VSI_LIST_ID_S) &
ICE_LG_ACT_VSI_LIST_ID_M;
if (m_ent->vsi_count > 1)
act |= ICE_LG_ACT_VSI_LIST;
lg_act->act[0] = CPU_TO_LE32(act);
/* Second action counter ID */
act = ICE_LG_ACT_STAT_COUNT;
act |= (counter_id << ICE_LG_ACT_STAT_COUNT_S) &
ICE_LG_ACT_STAT_COUNT_M;
lg_act->act[1] = CPU_TO_LE32(act);
/* call the fill switch rule to fill the lookup Tx Rx structure */
ice_fill_sw_rule(hw, &m_ent->fltr_info, rx_tx,
ice_aqc_opc_update_sw_rules);
act = ICE_SINGLE_ACT_PTR;
act |= (l_id << ICE_SINGLE_ACT_PTR_VAL_S) & ICE_SINGLE_ACT_PTR_VAL_M;
rx_tx->act = CPU_TO_LE32(act);
/* Use the filter rule ID of the previously created rule with single
* act. Once the update happens, hardware will treat this as large
* action
*/
f_rule_id = m_ent->fltr_info.fltr_rule_id;
rx_tx->index = CPU_TO_LE16(f_rule_id);
status = ice_aq_sw_rules(hw, lg_act, rules_size, 2,
ice_aqc_opc_update_sw_rules, NULL);
if (!status) {
m_ent->lg_act_idx = l_id;
m_ent->counter_index = (u8)counter_id;
}
ice_free(hw, lg_act);
return status;
}
/**
* ice_create_vsi_list_map
* @hw: pointer to the hardware structure
* @vsi_handle_arr: array of VSI handles to set in the VSI mapping
* @num_vsi: number of VSI handles in the array
* @vsi_list_id: VSI list ID generated as part of allocate resource
*
* Helper function to create a new entry of VSI list ID to VSI mapping
* using the given VSI list ID
*/
static struct ice_vsi_list_map_info *
ice_create_vsi_list_map(struct ice_hw *hw, u16 *vsi_handle_arr, u16 num_vsi,
u16 vsi_list_id)
{
struct ice_switch_info *sw = hw->switch_info;
struct ice_vsi_list_map_info *v_map;
int i;
v_map = (struct ice_vsi_list_map_info *)ice_malloc(hw, sizeof(*v_map));
if (!v_map)
return NULL;
v_map->vsi_list_id = vsi_list_id;
v_map->ref_cnt = 1;
for (i = 0; i < num_vsi; i++)
ice_set_bit(vsi_handle_arr[i], v_map->vsi_map);
LIST_ADD(&v_map->list_entry, &sw->vsi_list_map_head);
return v_map;
}
/**
* ice_update_vsi_list_rule
* @hw: pointer to the hardware structure
* @vsi_handle_arr: array of VSI handles to form a VSI list
* @num_vsi: number of VSI handles in the array
* @vsi_list_id: VSI list ID generated as part of allocate resource
* @remove: Boolean value to indicate if this is a remove action
* @opc: switch rules population command type - pass in the command opcode
* @lkup_type: lookup type of the filter
*
* Call AQ command to add a new switch rule or update existing switch rule
* using the given VSI list ID
*/
static enum ice_status
ice_update_vsi_list_rule(struct ice_hw *hw, u16 *vsi_handle_arr, u16 num_vsi,
u16 vsi_list_id, bool remove, enum ice_adminq_opc opc,
enum ice_sw_lkup_type lkup_type)
{
struct ice_sw_rule_vsi_list *s_rule;
enum ice_status status;
u16 s_rule_size;
u16 rule_type;
int i;
if (!num_vsi)
return ICE_ERR_PARAM;
if (lkup_type == ICE_SW_LKUP_MAC ||
lkup_type == ICE_SW_LKUP_MAC_VLAN ||
lkup_type == ICE_SW_LKUP_ETHERTYPE ||
lkup_type == ICE_SW_LKUP_ETHERTYPE_MAC ||
lkup_type == ICE_SW_LKUP_PROMISC ||
lkup_type == ICE_SW_LKUP_PROMISC_VLAN ||
lkup_type == ICE_SW_LKUP_DFLT ||
lkup_type == ICE_SW_LKUP_LAST)
rule_type = remove ? ICE_AQC_SW_RULES_T_VSI_LIST_CLEAR :
ICE_AQC_SW_RULES_T_VSI_LIST_SET;
else if (lkup_type == ICE_SW_LKUP_VLAN)
rule_type = remove ? ICE_AQC_SW_RULES_T_PRUNE_LIST_CLEAR :
ICE_AQC_SW_RULES_T_PRUNE_LIST_SET;
else
return ICE_ERR_PARAM;
s_rule_size = (u16)ice_struct_size(s_rule, vsi, num_vsi);
s_rule = (struct ice_sw_rule_vsi_list *)ice_malloc(hw, s_rule_size);
if (!s_rule)
return ICE_ERR_NO_MEMORY;
for (i = 0; i < num_vsi; i++) {
if (!ice_is_vsi_valid(hw, vsi_handle_arr[i])) {
status = ICE_ERR_PARAM;
goto exit;
}
/* AQ call requires hw_vsi_id(s) */
s_rule->vsi[i] =
CPU_TO_LE16(ice_get_hw_vsi_num(hw, vsi_handle_arr[i]));
}
s_rule->hdr.type = CPU_TO_LE16(rule_type);
s_rule->number_vsi = CPU_TO_LE16(num_vsi);
s_rule->index = CPU_TO_LE16(vsi_list_id);
status = ice_aq_sw_rules(hw, s_rule, s_rule_size, 1, opc, NULL);
exit:
ice_free(hw, s_rule);
return status;
}
/**
* ice_create_vsi_list_rule - Creates and populates a VSI list rule
* @hw: pointer to the HW struct
* @vsi_handle_arr: array of VSI handles to form a VSI list
* @num_vsi: number of VSI handles in the array
* @vsi_list_id: stores the ID of the VSI list to be created
* @lkup_type: switch rule filter's lookup type
*/
static enum ice_status
ice_create_vsi_list_rule(struct ice_hw *hw, u16 *vsi_handle_arr, u16 num_vsi,
u16 *vsi_list_id, enum ice_sw_lkup_type lkup_type)
{
enum ice_status status;
status = ice_aq_alloc_free_vsi_list(hw, vsi_list_id, lkup_type,
ice_aqc_opc_alloc_res);
if (status)
return status;
/* Update the newly created VSI list to include the specified VSIs */
return ice_update_vsi_list_rule(hw, vsi_handle_arr, num_vsi,
*vsi_list_id, false,
ice_aqc_opc_add_sw_rules, lkup_type);
}
/**
* ice_create_pkt_fwd_rule
* @hw: pointer to the hardware structure
* @recp_list: corresponding filter management list
* @f_entry: entry containing packet forwarding information
*
* Create switch rule with given filter information and add an entry
* to the corresponding filter management list to track this switch rule
* and VSI mapping
*/
static enum ice_status
ice_create_pkt_fwd_rule(struct ice_hw *hw, struct ice_sw_recipe *recp_list,
struct ice_fltr_list_entry *f_entry)
{
struct ice_fltr_mgmt_list_entry *fm_entry;
struct ice_sw_rule_lkup_rx_tx *s_rule;
enum ice_status status;
s_rule = (struct ice_sw_rule_lkup_rx_tx *)
ice_malloc(hw, ice_struct_size(s_rule, hdr_data,
DUMMY_ETH_HDR_LEN));
if (!s_rule)
return ICE_ERR_NO_MEMORY;
fm_entry = (struct ice_fltr_mgmt_list_entry *)
ice_malloc(hw, sizeof(*fm_entry));
if (!fm_entry) {
status = ICE_ERR_NO_MEMORY;
goto ice_create_pkt_fwd_rule_exit;
}
fm_entry->fltr_info = f_entry->fltr_info;
/* Initialize all the fields for the management entry */
fm_entry->vsi_count = 1;
fm_entry->lg_act_idx = ICE_INVAL_LG_ACT_INDEX;
fm_entry->sw_marker_id = ICE_INVAL_SW_MARKER_ID;
fm_entry->counter_index = ICE_INVAL_COUNTER_ID;
ice_fill_sw_rule(hw, &fm_entry->fltr_info, s_rule,
ice_aqc_opc_add_sw_rules);
status = ice_aq_sw_rules(hw, s_rule,
ice_struct_size(s_rule, hdr_data,
DUMMY_ETH_HDR_LEN),
1, ice_aqc_opc_add_sw_rules, NULL);
if (status) {
ice_free(hw, fm_entry);
goto ice_create_pkt_fwd_rule_exit;
}
f_entry->fltr_info.fltr_rule_id = LE16_TO_CPU(s_rule->index);
fm_entry->fltr_info.fltr_rule_id = LE16_TO_CPU(s_rule->index);
/* The book keeping entries will get removed when base driver
* calls remove filter AQ command
*/
LIST_ADD(&fm_entry->list_entry, &recp_list->filt_rules);
ice_create_pkt_fwd_rule_exit:
ice_free(hw, s_rule);
return status;
}
/**
* ice_update_pkt_fwd_rule
* @hw: pointer to the hardware structure
* @f_info: filter information for switch rule
*
* Call AQ command to update a previously created switch rule with a
* VSI list ID
*/
static enum ice_status
ice_update_pkt_fwd_rule(struct ice_hw *hw, struct ice_fltr_info *f_info)
{
struct ice_sw_rule_lkup_rx_tx *s_rule;
enum ice_status status;
s_rule = (struct ice_sw_rule_lkup_rx_tx *)
ice_malloc(hw, ice_struct_size(s_rule, hdr_data,
DUMMY_ETH_HDR_LEN));
if (!s_rule)
return ICE_ERR_NO_MEMORY;
ice_fill_sw_rule(hw, f_info, s_rule, ice_aqc_opc_update_sw_rules);
s_rule->index = CPU_TO_LE16(f_info->fltr_rule_id);
/* Update switch rule with new rule set to forward VSI list */
status = ice_aq_sw_rules(hw, s_rule,
ice_struct_size(s_rule, hdr_data,
DUMMY_ETH_HDR_LEN),
1, ice_aqc_opc_update_sw_rules, NULL);
ice_free(hw, s_rule);
return status;
}
/**
* ice_update_sw_rule_bridge_mode
* @hw: pointer to the HW struct
*
* Updates unicast switch filter rules based on VEB/VEPA mode
*/
enum ice_status ice_update_sw_rule_bridge_mode(struct ice_hw *hw)
{
struct ice_fltr_mgmt_list_entry *fm_entry;
enum ice_status status = ICE_SUCCESS;
struct ice_switch_info *sw = NULL;
struct LIST_HEAD_TYPE *rule_head;
struct ice_lock *rule_lock; /* Lock to protect filter rule list */
sw = hw->switch_info;
rule_lock = &sw->recp_list[ICE_SW_LKUP_MAC].filt_rule_lock;
rule_head = &sw->recp_list[ICE_SW_LKUP_MAC].filt_rules;
ice_acquire_lock(rule_lock);
LIST_FOR_EACH_ENTRY(fm_entry, rule_head, ice_fltr_mgmt_list_entry,
list_entry) {
struct ice_fltr_info *fi = &fm_entry->fltr_info;
u8 *addr = fi->l_data.mac.mac_addr;
/* Update unicast Tx rules to reflect the selected
* VEB/VEPA mode
*/
if ((fi->flag & ICE_FLTR_TX) && IS_UNICAST_ETHER_ADDR(addr) &&
(fi->fltr_act == ICE_FWD_TO_VSI ||
fi->fltr_act == ICE_FWD_TO_VSI_LIST ||
fi->fltr_act == ICE_FWD_TO_Q ||
fi->fltr_act == ICE_FWD_TO_QGRP)) {
status = ice_update_pkt_fwd_rule(hw, fi);
if (status)
break;
}
}
ice_release_lock(rule_lock);
return status;
}
/**
* ice_add_update_vsi_list
* @hw: pointer to the hardware structure
* @m_entry: pointer to current filter management list entry
* @cur_fltr: filter information from the book keeping entry
* @new_fltr: filter information with the new VSI to be added
*
* Call AQ command to add or update previously created VSI list with new VSI.
*
* Helper function to do book keeping associated with adding filter information
* The algorithm to do the book keeping is described below :
* When a VSI needs to subscribe to a given filter (MAC/VLAN/Ethtype etc.)
* if only one VSI has been added till now
* Allocate a new VSI list and add two VSIs
* to this list using switch rule command
* Update the previously created switch rule with the
* newly created VSI list ID
* if a VSI list was previously created
* Add the new VSI to the previously created VSI list set
* using the update switch rule command
*/
static enum ice_status
ice_add_update_vsi_list(struct ice_hw *hw,
struct ice_fltr_mgmt_list_entry *m_entry,
struct ice_fltr_info *cur_fltr,
struct ice_fltr_info *new_fltr)
{
enum ice_status status = ICE_SUCCESS;
u16 vsi_list_id = 0;
if ((cur_fltr->fltr_act == ICE_FWD_TO_Q ||
cur_fltr->fltr_act == ICE_FWD_TO_QGRP))
return ICE_ERR_NOT_IMPL;
if ((new_fltr->fltr_act == ICE_FWD_TO_Q ||
new_fltr->fltr_act == ICE_FWD_TO_QGRP) &&
(cur_fltr->fltr_act == ICE_FWD_TO_VSI ||
cur_fltr->fltr_act == ICE_FWD_TO_VSI_LIST))
return ICE_ERR_NOT_IMPL;
if (m_entry->vsi_count < 2 && !m_entry->vsi_list_info) {
/* Only one entry existed in the mapping and it was not already
* a part of a VSI list. So, create a VSI list with the old and
* new VSIs.
*/
struct ice_fltr_info tmp_fltr;
u16 vsi_handle_arr[2];
/* A rule already exists with the new VSI being added */
if (cur_fltr->fwd_id.hw_vsi_id == new_fltr->fwd_id.hw_vsi_id)
return ICE_ERR_ALREADY_EXISTS;
vsi_handle_arr[0] = cur_fltr->vsi_handle;
vsi_handle_arr[1] = new_fltr->vsi_handle;
status = ice_create_vsi_list_rule(hw, &vsi_handle_arr[0], 2,
&vsi_list_id,
new_fltr->lkup_type);
if (status)
return status;
tmp_fltr = *new_fltr;
tmp_fltr.fltr_rule_id = cur_fltr->fltr_rule_id;
tmp_fltr.fltr_act = ICE_FWD_TO_VSI_LIST;
tmp_fltr.fwd_id.vsi_list_id = vsi_list_id;
/* Update the previous switch rule of "MAC forward to VSI" to
* "MAC fwd to VSI list"
*/
status = ice_update_pkt_fwd_rule(hw, &tmp_fltr);
if (status)
return status;
cur_fltr->fwd_id.vsi_list_id = vsi_list_id;
cur_fltr->fltr_act = ICE_FWD_TO_VSI_LIST;
m_entry->vsi_list_info =
ice_create_vsi_list_map(hw, &vsi_handle_arr[0], 2,
vsi_list_id);
if (!m_entry->vsi_list_info)
return ICE_ERR_NO_MEMORY;
/* If this entry was large action then the large action needs
* to be updated to point to FWD to VSI list
*/
if (m_entry->sw_marker_id != ICE_INVAL_SW_MARKER_ID)
status =
ice_add_marker_act(hw, m_entry,
m_entry->sw_marker_id,
m_entry->lg_act_idx);
} else {
u16 vsi_handle = new_fltr->vsi_handle;
enum ice_adminq_opc opcode;
if (!m_entry->vsi_list_info)
return ICE_ERR_CFG;
/* A rule already exists with the new VSI being added */
if (ice_is_bit_set(m_entry->vsi_list_info->vsi_map, vsi_handle))
return ICE_SUCCESS;
/* Update the previously created VSI list set with
* the new VSI ID passed in
*/
vsi_list_id = cur_fltr->fwd_id.vsi_list_id;
opcode = ice_aqc_opc_update_sw_rules;
status = ice_update_vsi_list_rule(hw, &vsi_handle, 1,
vsi_list_id, false, opcode,
new_fltr->lkup_type);
/* update VSI list mapping info with new VSI ID */
if (!status)
ice_set_bit(vsi_handle,
m_entry->vsi_list_info->vsi_map);
}
if (!status)
m_entry->vsi_count++;
return status;
}
/**
* ice_find_rule_entry - Search a rule entry
* @list_head: head of rule list
* @f_info: rule information
*
* Helper function to search for a given rule entry
* Returns pointer to entry storing the rule if found
*/
static struct ice_fltr_mgmt_list_entry *
ice_find_rule_entry(struct LIST_HEAD_TYPE *list_head,
struct ice_fltr_info *f_info)
{
struct ice_fltr_mgmt_list_entry *list_itr, *ret = NULL;
LIST_FOR_EACH_ENTRY(list_itr, list_head, ice_fltr_mgmt_list_entry,
list_entry) {
if (!memcmp(&f_info->l_data, &list_itr->fltr_info.l_data,
sizeof(f_info->l_data)) &&
f_info->flag == list_itr->fltr_info.flag) {
ret = list_itr;
break;
}
}
return ret;
}
/**
* ice_find_vsi_list_entry - Search VSI list map with VSI count 1
* @recp_list: VSI lists needs to be searched
* @vsi_handle: VSI handle to be found in VSI list
* @vsi_list_id: VSI list ID found containing vsi_handle
*
* Helper function to search a VSI list with single entry containing given VSI
* handle element. This can be extended further to search VSI list with more
* than 1 vsi_count. Returns pointer to VSI list entry if found.
*/
struct ice_vsi_list_map_info *
ice_find_vsi_list_entry(struct ice_sw_recipe *recp_list, u16 vsi_handle,
u16 *vsi_list_id)
{
struct ice_vsi_list_map_info *map_info = NULL;
struct LIST_HEAD_TYPE *list_head;
list_head = &recp_list->filt_rules;
if (recp_list->adv_rule) {
struct ice_adv_fltr_mgmt_list_entry *list_itr;
LIST_FOR_EACH_ENTRY(list_itr, list_head,
ice_adv_fltr_mgmt_list_entry,
list_entry) {
if (list_itr->vsi_list_info) {
map_info = list_itr->vsi_list_info;
if (ice_is_bit_set(map_info->vsi_map,
vsi_handle)) {
*vsi_list_id = map_info->vsi_list_id;
return map_info;
}
}
}
} else {
struct ice_fltr_mgmt_list_entry *list_itr;
LIST_FOR_EACH_ENTRY(list_itr, list_head,
ice_fltr_mgmt_list_entry,
list_entry) {
if (list_itr->vsi_count == 1 &&
list_itr->vsi_list_info) {
map_info = list_itr->vsi_list_info;
if (ice_is_bit_set(map_info->vsi_map,
vsi_handle)) {
*vsi_list_id = map_info->vsi_list_id;
return map_info;
}
}
}
}
return NULL;
}
/**
* ice_add_rule_internal - add rule for a given lookup type
* @hw: pointer to the hardware structure
* @recp_list: recipe list for which rule has to be added
* @lport: logic port number on which function add rule
* @f_entry: structure containing MAC forwarding information
*
* Adds or updates the rule lists for a given recipe
*/
static enum ice_status
ice_add_rule_internal(struct ice_hw *hw, struct ice_sw_recipe *recp_list,
u8 lport, struct ice_fltr_list_entry *f_entry)
{
struct ice_fltr_info *new_fltr, *cur_fltr;
struct ice_fltr_mgmt_list_entry *m_entry;
struct ice_lock *rule_lock; /* Lock to protect filter rule list */
enum ice_status status = ICE_SUCCESS;
if (!ice_is_vsi_valid(hw, f_entry->fltr_info.vsi_handle))
return ICE_ERR_PARAM;
/* Load the hw_vsi_id only if the fwd action is fwd to VSI */
if (f_entry->fltr_info.fltr_act == ICE_FWD_TO_VSI)
f_entry->fltr_info.fwd_id.hw_vsi_id =
ice_get_hw_vsi_num(hw, f_entry->fltr_info.vsi_handle);
rule_lock = &recp_list->filt_rule_lock;
ice_acquire_lock(rule_lock);
new_fltr = &f_entry->fltr_info;
if (new_fltr->flag & ICE_FLTR_RX)
new_fltr->src = lport;
else if (new_fltr->flag & (ICE_FLTR_TX | ICE_FLTR_RX_LB))
new_fltr->src =
ice_get_hw_vsi_num(hw, f_entry->fltr_info.vsi_handle);
m_entry = ice_find_rule_entry(&recp_list->filt_rules, new_fltr);
if (!m_entry) {
status = ice_create_pkt_fwd_rule(hw, recp_list, f_entry);
goto exit_add_rule_internal;
}
cur_fltr = &m_entry->fltr_info;
status = ice_add_update_vsi_list(hw, m_entry, cur_fltr, new_fltr);
exit_add_rule_internal:
ice_release_lock(rule_lock);
return status;
}
/**
* ice_remove_vsi_list_rule
* @hw: pointer to the hardware structure
* @vsi_list_id: VSI list ID generated as part of allocate resource
* @lkup_type: switch rule filter lookup type
*
* The VSI list should be emptied before this function is called to remove the
* VSI list.
*/
static enum ice_status
ice_remove_vsi_list_rule(struct ice_hw *hw, u16 vsi_list_id,
enum ice_sw_lkup_type lkup_type)
{
/* Free the vsi_list resource that we allocated. It is assumed that the
* list is empty at this point.
*/
return ice_aq_alloc_free_vsi_list(hw, &vsi_list_id, lkup_type,
ice_aqc_opc_free_res);
}
/**
* ice_rem_update_vsi_list
* @hw: pointer to the hardware structure
* @vsi_handle: VSI handle of the VSI to remove
* @fm_list: filter management entry for which the VSI list management needs to
* be done
*/
static enum ice_status
ice_rem_update_vsi_list(struct ice_hw *hw, u16 vsi_handle,
struct ice_fltr_mgmt_list_entry *fm_list)
{
enum ice_sw_lkup_type lkup_type;
enum ice_status status = ICE_SUCCESS;
u16 vsi_list_id;
if (fm_list->fltr_info.fltr_act != ICE_FWD_TO_VSI_LIST ||
fm_list->vsi_count == 0)
return ICE_ERR_PARAM;
/* A rule with the VSI being removed does not exist */
if (!ice_is_bit_set(fm_list->vsi_list_info->vsi_map, vsi_handle))
return ICE_ERR_DOES_NOT_EXIST;
lkup_type = fm_list->fltr_info.lkup_type;
vsi_list_id = fm_list->fltr_info.fwd_id.vsi_list_id;
status = ice_update_vsi_list_rule(hw, &vsi_handle, 1, vsi_list_id, true,
ice_aqc_opc_update_sw_rules,
lkup_type);
if (status)
return status;
fm_list->vsi_count--;
ice_clear_bit(vsi_handle, fm_list->vsi_list_info->vsi_map);
if (fm_list->vsi_count == 1 && lkup_type != ICE_SW_LKUP_VLAN) {
struct ice_fltr_info tmp_fltr_info = fm_list->fltr_info;
struct ice_vsi_list_map_info *vsi_list_info =
fm_list->vsi_list_info;
u16 rem_vsi_handle;
rem_vsi_handle = ice_find_first_bit(vsi_list_info->vsi_map,
ICE_MAX_VSI);
if (!ice_is_vsi_valid(hw, rem_vsi_handle))
return ICE_ERR_OUT_OF_RANGE;
/* Make sure VSI list is empty before removing it below */
status = ice_update_vsi_list_rule(hw, &rem_vsi_handle, 1,
vsi_list_id, true,
ice_aqc_opc_update_sw_rules,
lkup_type);
if (status)
return status;
tmp_fltr_info.fltr_act = ICE_FWD_TO_VSI;
tmp_fltr_info.fwd_id.hw_vsi_id =
ice_get_hw_vsi_num(hw, rem_vsi_handle);
tmp_fltr_info.vsi_handle = rem_vsi_handle;
status = ice_update_pkt_fwd_rule(hw, &tmp_fltr_info);
if (status) {
ice_debug(hw, ICE_DBG_SW, "Failed to update pkt fwd rule to FWD_TO_VSI on HW VSI %d, error %d\n",
tmp_fltr_info.fwd_id.hw_vsi_id, status);
return status;
}
fm_list->fltr_info = tmp_fltr_info;
}
if ((fm_list->vsi_count == 1 && lkup_type != ICE_SW_LKUP_VLAN) ||
(fm_list->vsi_count == 0 && lkup_type == ICE_SW_LKUP_VLAN)) {
struct ice_vsi_list_map_info *vsi_list_info =
fm_list->vsi_list_info;
/* Remove the VSI list since it is no longer used */
status = ice_remove_vsi_list_rule(hw, vsi_list_id, lkup_type);
if (status) {
ice_debug(hw, ICE_DBG_SW, "Failed to remove VSI list %d, error %d\n",
vsi_list_id, status);
return status;
}
LIST_DEL(&vsi_list_info->list_entry);
ice_free(hw, vsi_list_info);
fm_list->vsi_list_info = NULL;
}
return status;
}
/**
* ice_remove_rule_internal - Remove a filter rule of a given type
* @hw: pointer to the hardware structure
* @recp_list: recipe list for which the rule needs to removed
* @f_entry: rule entry containing filter information
*/
static enum ice_status
ice_remove_rule_internal(struct ice_hw *hw, struct ice_sw_recipe *recp_list,
struct ice_fltr_list_entry *f_entry)
{
struct ice_fltr_mgmt_list_entry *list_elem;
struct ice_lock *rule_lock; /* Lock to protect filter rule list */
enum ice_status status = ICE_SUCCESS;
bool remove_rule = false;
u16 vsi_handle;
if (!ice_is_vsi_valid(hw, f_entry->fltr_info.vsi_handle))
return ICE_ERR_PARAM;
f_entry->fltr_info.fwd_id.hw_vsi_id =
ice_get_hw_vsi_num(hw, f_entry->fltr_info.vsi_handle);
rule_lock = &recp_list->filt_rule_lock;
ice_acquire_lock(rule_lock);
list_elem = ice_find_rule_entry(&recp_list->filt_rules,
&f_entry->fltr_info);
if (!list_elem) {
status = ICE_ERR_DOES_NOT_EXIST;
goto exit;
}
if (list_elem->fltr_info.fltr_act != ICE_FWD_TO_VSI_LIST) {
remove_rule = true;
} else if (!list_elem->vsi_list_info) {
status = ICE_ERR_DOES_NOT_EXIST;
goto exit;
} else if (list_elem->vsi_list_info->ref_cnt > 1) {
/* a ref_cnt > 1 indicates that the vsi_list is being
* shared by multiple rules. Decrement the ref_cnt and
* remove this rule, but do not modify the list, as it
* is in-use by other rules.
*/
list_elem->vsi_list_info->ref_cnt--;
remove_rule = true;
} else {
/* a ref_cnt of 1 indicates the vsi_list is only used
* by one rule. However, the original removal request is only
* for a single VSI. Update the vsi_list first, and only
* remove the rule if there are no further VSIs in this list.
*/
vsi_handle = f_entry->fltr_info.vsi_handle;
status = ice_rem_update_vsi_list(hw, vsi_handle, list_elem);
if (status)
goto exit;
/* if VSI count goes to zero after updating the VSI list */
if (list_elem->vsi_count == 0)
remove_rule = true;
}
if (remove_rule) {
/* Remove the lookup rule */
struct ice_sw_rule_lkup_rx_tx *s_rule;
s_rule = (struct ice_sw_rule_lkup_rx_tx *)
ice_malloc(hw, ice_struct_size(s_rule, hdr_data, 0));
if (!s_rule) {
status = ICE_ERR_NO_MEMORY;
goto exit;
}
ice_fill_sw_rule(hw, &list_elem->fltr_info, s_rule,
ice_aqc_opc_remove_sw_rules);
status = ice_aq_sw_rules(hw, s_rule,
ice_struct_size(s_rule, hdr_data, 0),
1, ice_aqc_opc_remove_sw_rules, NULL);
/* Remove a book keeping from the list */
ice_free(hw, s_rule);
if (status)
goto exit;
LIST_DEL(&list_elem->list_entry);
ice_free(hw, list_elem);
}
exit:
ice_release_lock(rule_lock);
return status;
}
/**
* ice_aq_get_res_alloc - get allocated resources
* @hw: pointer to the HW struct
* @num_entries: pointer to u16 to store the number of resource entries returned
* @buf: pointer to buffer
* @buf_size: size of buf
* @cd: pointer to command details structure or NULL
*
* The caller-supplied buffer must be large enough to store the resource
* information for all resource types. Each resource type is an
* ice_aqc_get_res_resp_elem structure.
*/
enum ice_status
ice_aq_get_res_alloc(struct ice_hw *hw, u16 *num_entries,
struct ice_aqc_get_res_resp_elem *buf, u16 buf_size,
struct ice_sq_cd *cd)
{
struct ice_aqc_get_res_alloc *resp;
enum ice_status status;
struct ice_aq_desc desc;
if (!buf)
return ICE_ERR_BAD_PTR;
if (buf_size < ICE_AQ_GET_RES_ALLOC_BUF_LEN)
return ICE_ERR_INVAL_SIZE;
resp = &desc.params.get_res;
ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_res_alloc);
status = ice_aq_send_cmd(hw, &desc, buf, buf_size, cd);
if (!status && num_entries)
*num_entries = LE16_TO_CPU(resp->resp_elem_num);
return status;
}
/**
* ice_aq_get_res_descs - get allocated resource descriptors
* @hw: pointer to the hardware structure
* @num_entries: number of resource entries in buffer
* @buf: structure to hold response data buffer
* @buf_size: size of buffer
* @res_type: resource type
* @res_shared: is resource shared
* @desc_id: input - first desc ID to start; output - next desc ID
* @cd: pointer to command details structure or NULL
*/
enum ice_status
ice_aq_get_res_descs(struct ice_hw *hw, u16 num_entries,
struct ice_aqc_res_elem *buf, u16 buf_size, u16 res_type,
bool res_shared, u16 *desc_id, struct ice_sq_cd *cd)
{
struct ice_aqc_get_allocd_res_desc *cmd;
struct ice_aq_desc desc;
enum ice_status status;
ice_debug(hw, ICE_DBG_TRACE, "%s\n", __func__);
cmd = &desc.params.get_res_desc;
if (!buf)
return ICE_ERR_PARAM;
if (buf_size != (num_entries * sizeof(*buf)))
return ICE_ERR_PARAM;
ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_allocd_res_desc);
cmd->ops.cmd.res = CPU_TO_LE16(((res_type << ICE_AQC_RES_TYPE_S) &
ICE_AQC_RES_TYPE_M) | (res_shared ?
ICE_AQC_RES_TYPE_FLAG_SHARED : 0));
cmd->ops.cmd.first_desc = CPU_TO_LE16(*desc_id);
status = ice_aq_send_cmd(hw, &desc, buf, buf_size, cd);
if (!status)
*desc_id = LE16_TO_CPU(cmd->ops.resp.next_desc);
return status;
}
/**
* ice_add_mac_rule - Add a MAC address based filter rule
* @hw: pointer to the hardware structure
* @m_list: list of MAC addresses and forwarding information
* @sw: pointer to switch info struct for which function add rule
* @lport: logic port number on which function add rule
*
* IMPORTANT: When the umac_shared flag is set to false and m_list has
* multiple unicast addresses, the function assumes that all the
* addresses are unique in a given add_mac call. It doesn't
* check for duplicates in this case, removing duplicates from a given
* list should be taken care of in the caller of this function.
*/
static enum ice_status
ice_add_mac_rule(struct ice_hw *hw, struct LIST_HEAD_TYPE *m_list,
struct ice_switch_info *sw, u8 lport)
{
struct ice_sw_recipe *recp_list = &sw->recp_list[ICE_SW_LKUP_MAC];
struct ice_sw_rule_lkup_rx_tx *s_rule, *r_iter;
struct ice_fltr_list_entry *m_list_itr;
struct LIST_HEAD_TYPE *rule_head;
u16 total_elem_left, s_rule_size;
struct ice_lock *rule_lock; /* Lock to protect filter rule list */
enum ice_status status = ICE_SUCCESS;
u16 num_unicast = 0;
u8 elem_sent;
s_rule = NULL;
rule_lock = &recp_list->filt_rule_lock;
rule_head = &recp_list->filt_rules;
LIST_FOR_EACH_ENTRY(m_list_itr, m_list, ice_fltr_list_entry,
list_entry) {
u8 *add = &m_list_itr->fltr_info.l_data.mac.mac_addr[0];
u16 vsi_handle;
u16 hw_vsi_id;
m_list_itr->fltr_info.flag = ICE_FLTR_TX;
vsi_handle = m_list_itr->fltr_info.vsi_handle;
if (!ice_is_vsi_valid(hw, vsi_handle))
return ICE_ERR_PARAM;
hw_vsi_id = ice_get_hw_vsi_num(hw, vsi_handle);
if (m_list_itr->fltr_info.fltr_act == ICE_FWD_TO_VSI)
m_list_itr->fltr_info.fwd_id.hw_vsi_id = hw_vsi_id;
/* update the src in case it is VSI num */
if (m_list_itr->fltr_info.src_id != ICE_SRC_ID_VSI)
return ICE_ERR_PARAM;
m_list_itr->fltr_info.src = hw_vsi_id;
if (m_list_itr->fltr_info.lkup_type != ICE_SW_LKUP_MAC ||
IS_ZERO_ETHER_ADDR(add))
return ICE_ERR_PARAM;
if (IS_UNICAST_ETHER_ADDR(add) && !hw->umac_shared) {
/* Don't overwrite the unicast address */
ice_acquire_lock(rule_lock);
if (ice_find_rule_entry(rule_head,
&m_list_itr->fltr_info)) {
ice_release_lock(rule_lock);
continue;
}
ice_release_lock(rule_lock);
num_unicast++;
} else if (IS_MULTICAST_ETHER_ADDR(add) ||
(IS_UNICAST_ETHER_ADDR(add) && hw->umac_shared)) {
m_list_itr->status =
ice_add_rule_internal(hw, recp_list, lport,
m_list_itr);
if (m_list_itr->status)
return m_list_itr->status;
}
}
ice_acquire_lock(rule_lock);
/* Exit if no suitable entries were found for adding bulk switch rule */
if (!num_unicast) {
status = ICE_SUCCESS;
goto ice_add_mac_exit;
}
/* Allocate switch rule buffer for the bulk update for unicast */
s_rule_size = ice_struct_size(s_rule, hdr_data, DUMMY_ETH_HDR_LEN);
s_rule = (struct ice_sw_rule_lkup_rx_tx *)
ice_calloc(hw, num_unicast, s_rule_size);
if (!s_rule) {
status = ICE_ERR_NO_MEMORY;
goto ice_add_mac_exit;
}
r_iter = s_rule;
LIST_FOR_EACH_ENTRY(m_list_itr, m_list, ice_fltr_list_entry,
list_entry) {
struct ice_fltr_info *f_info = &m_list_itr->fltr_info;
u8 *mac_addr = &f_info->l_data.mac.mac_addr[0];
if (IS_UNICAST_ETHER_ADDR(mac_addr)) {
ice_fill_sw_rule(hw, &m_list_itr->fltr_info, r_iter,
ice_aqc_opc_add_sw_rules);
r_iter = (struct ice_sw_rule_lkup_rx_tx *)
((u8 *)r_iter + s_rule_size);
}
}
/* Call AQ bulk switch rule update for all unicast addresses */
r_iter = s_rule;
/* Call AQ switch rule in AQ_MAX chunk */
for (total_elem_left = num_unicast; total_elem_left > 0;
total_elem_left -= elem_sent) {
struct ice_sw_rule_lkup_rx_tx *entry = r_iter;
elem_sent = MIN_T(u8, total_elem_left,
(ICE_AQ_MAX_BUF_LEN / s_rule_size));
status = ice_aq_sw_rules(hw, entry, elem_sent * s_rule_size,
elem_sent, ice_aqc_opc_add_sw_rules,
NULL);
if (status)
goto ice_add_mac_exit;
r_iter = (struct ice_sw_rule_lkup_rx_tx *)
((u8 *)r_iter + (elem_sent * s_rule_size));
}
/* Fill up rule ID based on the value returned from FW */
r_iter = s_rule;
LIST_FOR_EACH_ENTRY(m_list_itr, m_list, ice_fltr_list_entry,
list_entry) {
struct ice_fltr_info *f_info = &m_list_itr->fltr_info;
u8 *mac_addr = &f_info->l_data.mac.mac_addr[0];
struct ice_fltr_mgmt_list_entry *fm_entry;
if (IS_UNICAST_ETHER_ADDR(mac_addr)) {
f_info->fltr_rule_id =
LE16_TO_CPU(r_iter->index);
f_info->fltr_act = ICE_FWD_TO_VSI;
/* Create an entry to track this MAC address */
fm_entry = (struct ice_fltr_mgmt_list_entry *)
ice_malloc(hw, sizeof(*fm_entry));
if (!fm_entry) {
status = ICE_ERR_NO_MEMORY;
goto ice_add_mac_exit;
}
fm_entry->fltr_info = *f_info;
fm_entry->vsi_count = 1;
/* The book keeping entries will get removed when
* base driver calls remove filter AQ command
*/
LIST_ADD(&fm_entry->list_entry, rule_head);
r_iter = (struct ice_sw_rule_lkup_rx_tx *)
((u8 *)r_iter + s_rule_size);
}
}
ice_add_mac_exit:
ice_release_lock(rule_lock);
if (s_rule)
ice_free(hw, s_rule);
return status;
}
/**
* ice_add_mac - Add a MAC address based filter rule
* @hw: pointer to the hardware structure
* @m_list: list of MAC addresses and forwarding information
*
* Function add MAC rule for logical port from HW struct
*/
enum ice_status ice_add_mac(struct ice_hw *hw, struct LIST_HEAD_TYPE *m_list)
{
if (!m_list || !hw)
return ICE_ERR_PARAM;
return ice_add_mac_rule(hw, m_list, hw->switch_info,
hw->port_info->lport);
}
/**
* ice_add_vlan_internal - Add one VLAN based filter rule
* @hw: pointer to the hardware structure
* @recp_list: recipe list for which rule has to be added
* @f_entry: filter entry containing one VLAN information
*/
static enum ice_status
ice_add_vlan_internal(struct ice_hw *hw, struct ice_sw_recipe *recp_list,
struct ice_fltr_list_entry *f_entry)
{
struct ice_fltr_mgmt_list_entry *v_list_itr;
struct ice_fltr_info *new_fltr, *cur_fltr;
enum ice_sw_lkup_type lkup_type;
u16 vsi_list_id = 0, vsi_handle;
struct ice_lock *rule_lock; /* Lock to protect filter rule list */
enum ice_status status = ICE_SUCCESS;
if (!ice_is_vsi_valid(hw, f_entry->fltr_info.vsi_handle))
return ICE_ERR_PARAM;
f_entry->fltr_info.fwd_id.hw_vsi_id =
ice_get_hw_vsi_num(hw, f_entry->fltr_info.vsi_handle);
new_fltr = &f_entry->fltr_info;
/* VLAN ID should only be 12 bits */
if (new_fltr->l_data.vlan.vlan_id > ICE_MAX_VLAN_ID)
return ICE_ERR_PARAM;
if (new_fltr->src_id != ICE_SRC_ID_VSI)
return ICE_ERR_PARAM;
new_fltr->src = new_fltr->fwd_id.hw_vsi_id;
lkup_type = new_fltr->lkup_type;
vsi_handle = new_fltr->vsi_handle;
rule_lock = &recp_list->filt_rule_lock;
ice_acquire_lock(rule_lock);
v_list_itr = ice_find_rule_entry(&recp_list->filt_rules, new_fltr);
if (!v_list_itr) {
struct ice_vsi_list_map_info *map_info = NULL;
if (new_fltr->fltr_act == ICE_FWD_TO_VSI) {
/* All VLAN pruning rules use a VSI list. Check if
* there is already a VSI list containing VSI that we
* want to add. If found, use the same vsi_list_id for
* this new VLAN rule or else create a new list.
*/
map_info = ice_find_vsi_list_entry(recp_list,
vsi_handle,
&vsi_list_id);
if (!map_info) {
status = ice_create_vsi_list_rule(hw,
&vsi_handle,
1,
&vsi_list_id,
lkup_type);
if (status)
goto exit;
}
/* Convert the action to forwarding to a VSI list. */
new_fltr->fltr_act = ICE_FWD_TO_VSI_LIST;
new_fltr->fwd_id.vsi_list_id = vsi_list_id;
}
status = ice_create_pkt_fwd_rule(hw, recp_list, f_entry);
if (!status) {
v_list_itr = ice_find_rule_entry(&recp_list->filt_rules,
new_fltr);
if (!v_list_itr) {
status = ICE_ERR_DOES_NOT_EXIST;
goto exit;
}
/* reuse VSI list for new rule and increment ref_cnt */
if (map_info) {
v_list_itr->vsi_list_info = map_info;
map_info->ref_cnt++;
} else {
v_list_itr->vsi_list_info =
ice_create_vsi_list_map(hw, &vsi_handle,
1, vsi_list_id);
}
}
} else if (v_list_itr->vsi_list_info->ref_cnt == 1) {
/* Update existing VSI list to add new VSI ID only if it used
* by one VLAN rule.
*/
cur_fltr = &v_list_itr->fltr_info;
status = ice_add_update_vsi_list(hw, v_list_itr, cur_fltr,
new_fltr);
} else {
/* If VLAN rule exists and VSI list being used by this rule is
* referenced by more than 1 VLAN rule. Then create a new VSI
* list appending previous VSI with new VSI and update existing
* VLAN rule to point to new VSI list ID
*/
struct ice_fltr_info tmp_fltr;
u16 vsi_handle_arr[2];
u16 cur_handle;
/* Current implementation only supports reusing VSI list with
* one VSI count. We should never hit below condition
*/
if (v_list_itr->vsi_count > 1 &&
v_list_itr->vsi_list_info->ref_cnt > 1) {
ice_debug(hw, ICE_DBG_SW, "Invalid configuration: Optimization to reuse VSI list with more than one VSI is not being done yet\n");
status = ICE_ERR_CFG;
goto exit;
}
cur_handle =
ice_find_first_bit(v_list_itr->vsi_list_info->vsi_map,
ICE_MAX_VSI);
/* A rule already exists with the new VSI being added */
if (cur_handle == vsi_handle) {
status = ICE_ERR_ALREADY_EXISTS;
goto exit;
}
vsi_handle_arr[0] = cur_handle;
vsi_handle_arr[1] = vsi_handle;
status = ice_create_vsi_list_rule(hw, &vsi_handle_arr[0], 2,
&vsi_list_id, lkup_type);
if (status)
goto exit;
tmp_fltr = v_list_itr->fltr_info;
tmp_fltr.fltr_rule_id = v_list_itr->fltr_info.fltr_rule_id;
tmp_fltr.fwd_id.vsi_list_id = vsi_list_id;
tmp_fltr.fltr_act = ICE_FWD_TO_VSI_LIST;
/* Update the previous switch rule to a new VSI list which
* includes current VSI that is requested
*/
status = ice_update_pkt_fwd_rule(hw, &tmp_fltr);
if (status)
goto exit;
/* before overriding VSI list map info. decrement ref_cnt of
* previous VSI list
*/
v_list_itr->vsi_list_info->ref_cnt--;
/* now update to newly created list */
v_list_itr->fltr_info.fwd_id.vsi_list_id = vsi_list_id;
v_list_itr->vsi_list_info =
ice_create_vsi_list_map(hw, &vsi_handle_arr[0], 2,
vsi_list_id);
v_list_itr->vsi_count++;
}
exit:
ice_release_lock(rule_lock);
return status;
}
/**
* ice_add_vlan_rule - Add VLAN based filter rule
* @hw: pointer to the hardware structure
* @v_list: list of VLAN entries and forwarding information
* @sw: pointer to switch info struct for which function add rule
*/
static enum ice_status
ice_add_vlan_rule(struct ice_hw *hw, struct LIST_HEAD_TYPE *v_list,
struct ice_switch_info *sw)
{
struct ice_fltr_list_entry *v_list_itr;
struct ice_sw_recipe *recp_list;
recp_list = &sw->recp_list[ICE_SW_LKUP_VLAN];
LIST_FOR_EACH_ENTRY(v_list_itr, v_list, ice_fltr_list_entry,
list_entry) {
if (v_list_itr->fltr_info.lkup_type != ICE_SW_LKUP_VLAN)
return ICE_ERR_PARAM;
v_list_itr->fltr_info.flag = ICE_FLTR_TX;
v_list_itr->status = ice_add_vlan_internal(hw, recp_list,
v_list_itr);
if (v_list_itr->status)
return v_list_itr->status;
}
return ICE_SUCCESS;
}
/**
* ice_add_vlan - Add a VLAN based filter rule
* @hw: pointer to the hardware structure
* @v_list: list of VLAN and forwarding information
*
* Function add VLAN rule for logical port from HW struct
*/
enum ice_status ice_add_vlan(struct ice_hw *hw, struct LIST_HEAD_TYPE *v_list)
{
if (!v_list || !hw)
return ICE_ERR_PARAM;
return ice_add_vlan_rule(hw, v_list, hw->switch_info);
}
/**
* ice_add_eth_mac_rule - Add ethertype and MAC based filter rule
* @hw: pointer to the hardware structure
* @em_list: list of ether type MAC filter, MAC is optional
* @sw: pointer to switch info struct for which function add rule
* @lport: logic port number on which function add rule
*
* This function requires the caller to populate the entries in
* the filter list with the necessary fields (including flags to
* indicate Tx or Rx rules).
*/
static enum ice_status
ice_add_eth_mac_rule(struct ice_hw *hw, struct LIST_HEAD_TYPE *em_list,
struct ice_switch_info *sw, u8 lport)
{
struct ice_fltr_list_entry *em_list_itr;
LIST_FOR_EACH_ENTRY(em_list_itr, em_list, ice_fltr_list_entry,
list_entry) {
struct ice_sw_recipe *recp_list;
enum ice_sw_lkup_type l_type;
l_type = em_list_itr->fltr_info.lkup_type;
recp_list = &sw->recp_list[l_type];
if (l_type != ICE_SW_LKUP_ETHERTYPE_MAC &&
l_type != ICE_SW_LKUP_ETHERTYPE)
return ICE_ERR_PARAM;
em_list_itr->status = ice_add_rule_internal(hw, recp_list,
lport,
em_list_itr);
if (em_list_itr->status)
return em_list_itr->status;
}
return ICE_SUCCESS;
}
/**
* ice_add_eth_mac - Add a ethertype based filter rule
* @hw: pointer to the hardware structure
* @em_list: list of ethertype and forwarding information
*
* Function add ethertype rule for logical port from HW struct
*/
enum ice_status
ice_add_eth_mac(struct ice_hw *hw, struct LIST_HEAD_TYPE *em_list)
{
if (!em_list || !hw)
return ICE_ERR_PARAM;
return ice_add_eth_mac_rule(hw, em_list, hw->switch_info,
hw->port_info->lport);
}
/**
* ice_remove_eth_mac_rule - Remove an ethertype (or MAC) based filter rule
* @hw: pointer to the hardware structure
* @em_list: list of ethertype or ethertype MAC entries
* @sw: pointer to switch info struct for which function add rule
*/
static enum ice_status
ice_remove_eth_mac_rule(struct ice_hw *hw, struct LIST_HEAD_TYPE *em_list,
struct ice_switch_info *sw)
{
struct ice_fltr_list_entry *em_list_itr, *tmp;
LIST_FOR_EACH_ENTRY_SAFE(em_list_itr, tmp, em_list, ice_fltr_list_entry,
list_entry) {
struct ice_sw_recipe *recp_list;
enum ice_sw_lkup_type l_type;
l_type = em_list_itr->fltr_info.lkup_type;
if (l_type != ICE_SW_LKUP_ETHERTYPE_MAC &&
l_type != ICE_SW_LKUP_ETHERTYPE)
return ICE_ERR_PARAM;
recp_list = &sw->recp_list[l_type];
em_list_itr->status = ice_remove_rule_internal(hw, recp_list,
em_list_itr);
if (em_list_itr->status)
return em_list_itr->status;
}
return ICE_SUCCESS;
}
/**
* ice_remove_eth_mac - remove a ethertype based filter rule
* @hw: pointer to the hardware structure
* @em_list: list of ethertype and forwarding information
*
*/
enum ice_status
ice_remove_eth_mac(struct ice_hw *hw, struct LIST_HEAD_TYPE *em_list)
{
if (!em_list || !hw)
return ICE_ERR_PARAM;
return ice_remove_eth_mac_rule(hw, em_list, hw->switch_info);
}
/**
* ice_get_lg_act_aqc_res_type - get resource type for a large action
* @res_type: resource type to be filled in case of function success
* @num_acts: number of actions to hold with a large action entry
*
* Get resource type for a large action depending on the number
* of single actions that it contains.
*/
static enum ice_status
ice_get_lg_act_aqc_res_type(u16 *res_type, int num_acts)
{
if (!res_type)
return ICE_ERR_BAD_PTR;
/* If num_acts is 1, use ICE_AQC_RES_TYPE_WIDE_TABLE_1.
* If num_acts is 2, use ICE_AQC_RES_TYPE_WIDE_TABLE_3.
* If num_acts is greater than 2, then use
* ICE_AQC_RES_TYPE_WIDE_TABLE_4.
* The num_acts cannot be equal to 0 or greater than 4.
*/
switch (num_acts) {
case 1:
*res_type = ICE_AQC_RES_TYPE_WIDE_TABLE_1;
break;
case 2:
*res_type = ICE_AQC_RES_TYPE_WIDE_TABLE_2;
break;
case 3:
case 4:
*res_type = ICE_AQC_RES_TYPE_WIDE_TABLE_4;
break;
default:
return ICE_ERR_PARAM;
}
return ICE_SUCCESS;
}
/**
* ice_alloc_res_lg_act - add large action resource
* @hw: pointer to the hardware structure
* @l_id: large action ID to fill it in
* @num_acts: number of actions to hold with a large action entry
*/
static enum ice_status
ice_alloc_res_lg_act(struct ice_hw *hw, u16 *l_id, u16 num_acts)
{
struct ice_aqc_alloc_free_res_elem *sw_buf;
enum ice_status status;
u16 buf_len, res_type;
if (!l_id)
return ICE_ERR_BAD_PTR;
status = ice_get_lg_act_aqc_res_type(&res_type, num_acts);
if (status)
return status;
/* Allocate resource for large action */
buf_len = ice_struct_size(sw_buf, elem, 1);
sw_buf = (struct ice_aqc_alloc_free_res_elem *)ice_malloc(hw, buf_len);
if (!sw_buf)
return ICE_ERR_NO_MEMORY;
sw_buf->res_type = CPU_TO_LE16(res_type);
sw_buf->num_elems = CPU_TO_LE16(1);
status = ice_aq_alloc_free_res(hw, 1, sw_buf, buf_len,
ice_aqc_opc_alloc_res, NULL);
if (!status)
*l_id = LE16_TO_CPU(sw_buf->elem[0].e.sw_resp);
ice_free(hw, sw_buf);
return status;
}
/**
* ice_rem_sw_rule_info
* @hw: pointer to the hardware structure
* @rule_head: pointer to the switch list structure that we want to delete
*/
static void
ice_rem_sw_rule_info(struct ice_hw *hw, struct LIST_HEAD_TYPE *rule_head)
{
if (!LIST_EMPTY(rule_head)) {
struct ice_fltr_mgmt_list_entry *entry;
struct ice_fltr_mgmt_list_entry *tmp;
LIST_FOR_EACH_ENTRY_SAFE(entry, tmp, rule_head,
ice_fltr_mgmt_list_entry, list_entry) {
LIST_DEL(&entry->list_entry);
ice_free(hw, entry);
}
}
}
/**
* ice_rem_all_sw_rules_info
* @hw: pointer to the hardware structure
*/
void ice_rem_all_sw_rules_info(struct ice_hw *hw)
{
struct ice_switch_info *sw = hw->switch_info;
u8 i;
for (i = 0; i < ICE_MAX_NUM_RECIPES; i++) {
struct LIST_HEAD_TYPE *rule_head;
rule_head = &sw->recp_list[i].filt_rules;
if (!sw->recp_list[i].adv_rule)
ice_rem_sw_rule_info(hw, rule_head);
}
}
/**
* ice_cfg_dflt_vsi - change state of VSI to set/clear default
* @pi: pointer to the port_info structure
* @vsi_handle: VSI handle to set as default
* @set: true to add the above mentioned switch rule, false to remove it
* @direction: ICE_FLTR_RX or ICE_FLTR_TX
*
* add filter rule to set/unset given VSI as default VSI for the switch
* (represented by swid)
*/
enum ice_status
ice_cfg_dflt_vsi(struct ice_port_info *pi, u16 vsi_handle, bool set,
u8 direction)
{
struct ice_fltr_list_entry f_list_entry;
struct ice_sw_recipe *recp_list = NULL;
struct ice_fltr_info f_info;
struct ice_hw *hw = pi->hw;
enum ice_status status;
u8 lport = pi->lport;
u16 hw_vsi_id;
recp_list = &pi->hw->switch_info->recp_list[ICE_SW_LKUP_DFLT];
if (!ice_is_vsi_valid(hw, vsi_handle))
return ICE_ERR_PARAM;
hw_vsi_id = ice_get_hw_vsi_num(hw, vsi_handle);
ice_memset(&f_info, 0, sizeof(f_info), ICE_NONDMA_MEM);
f_info.lkup_type = ICE_SW_LKUP_DFLT;
f_info.flag = direction;
f_info.fltr_act = ICE_FWD_TO_VSI;
f_info.fwd_id.hw_vsi_id = hw_vsi_id;
f_info.vsi_handle = vsi_handle;
if (f_info.flag & ICE_FLTR_RX) {
f_info.src = pi->lport;
f_info.src_id = ICE_SRC_ID_LPORT;
} else if (f_info.flag & ICE_FLTR_TX) {
f_info.src_id = ICE_SRC_ID_VSI;
f_info.src = hw_vsi_id;
}
f_list_entry.fltr_info = f_info;
if (set)
status = ice_add_rule_internal(hw, recp_list, lport,
&f_list_entry);
else
status = ice_remove_rule_internal(hw, recp_list,
&f_list_entry);
return status;
}
/**
* ice_check_if_dflt_vsi - check if VSI is default VSI
* @pi: pointer to the port_info structure
* @vsi_handle: vsi handle to check for in filter list
* @rule_exists: indicates if there are any VSI's in the rule list
*
* checks if the VSI is in a default VSI list, and also indicates
* if the default VSI list is empty
*/
bool ice_check_if_dflt_vsi(struct ice_port_info *pi, u16 vsi_handle,
bool *rule_exists)
{
struct ice_fltr_mgmt_list_entry *fm_entry;
struct LIST_HEAD_TYPE *rule_head;
struct ice_sw_recipe *recp_list;
struct ice_lock *rule_lock;
bool ret = false;
recp_list = &pi->hw->switch_info->recp_list[ICE_SW_LKUP_DFLT];
rule_lock = &recp_list->filt_rule_lock;
rule_head = &recp_list->filt_rules;
ice_acquire_lock(rule_lock);
if (rule_exists && !LIST_EMPTY(rule_head))
*rule_exists = true;
LIST_FOR_EACH_ENTRY(fm_entry, rule_head,
ice_fltr_mgmt_list_entry, list_entry) {
if (ice_vsi_uses_fltr(fm_entry, vsi_handle)) {
ret = true;
break;
}
}
ice_release_lock(rule_lock);
return ret;
}
/**
* ice_find_ucast_rule_entry - Search for a unicast MAC filter rule entry
* @list_head: head of rule list
* @f_info: rule information
*
* Helper function to search for a unicast rule entry - this is to be used
* to remove unicast MAC filter that is not shared with other VSIs on the
* PF switch.
*
* Returns pointer to entry storing the rule if found
*/
static struct ice_fltr_mgmt_list_entry *
ice_find_ucast_rule_entry(struct LIST_HEAD_TYPE *list_head,
struct ice_fltr_info *f_info)
{
struct ice_fltr_mgmt_list_entry *list_itr;
LIST_FOR_EACH_ENTRY(list_itr, list_head, ice_fltr_mgmt_list_entry,
list_entry) {
if (!memcmp(&f_info->l_data, &list_itr->fltr_info.l_data,
sizeof(f_info->l_data)) &&
f_info->fwd_id.hw_vsi_id ==
list_itr->fltr_info.fwd_id.hw_vsi_id &&
f_info->flag == list_itr->fltr_info.flag)
return list_itr;
}
return NULL;
}
/**
* ice_remove_mac_rule - remove a MAC based filter rule
* @hw: pointer to the hardware structure
* @m_list: list of MAC addresses and forwarding information
* @recp_list: list from which function remove MAC address
*
* This function removes either a MAC filter rule or a specific VSI from a
* VSI list for a multicast MAC address.
*
* Returns ICE_ERR_DOES_NOT_EXIST if a given entry was not added by
* ice_add_mac. Caller should be aware that this call will only work if all
* the entries passed into m_list were added previously. It will not attempt to
* do a partial remove of entries that were found.
*/
static enum ice_status
ice_remove_mac_rule(struct ice_hw *hw, struct LIST_HEAD_TYPE *m_list,
struct ice_sw_recipe *recp_list)
{
struct ice_fltr_list_entry *list_itr, *tmp;
struct ice_lock *rule_lock; /* Lock to protect filter rule list */
if (!m_list)
return ICE_ERR_PARAM;
rule_lock = &recp_list->filt_rule_lock;
LIST_FOR_EACH_ENTRY_SAFE(list_itr, tmp, m_list, ice_fltr_list_entry,
list_entry) {
enum ice_sw_lkup_type l_type = list_itr->fltr_info.lkup_type;
u8 *add = &list_itr->fltr_info.l_data.mac.mac_addr[0];
u16 vsi_handle;
if (l_type != ICE_SW_LKUP_MAC)
return ICE_ERR_PARAM;
vsi_handle = list_itr->fltr_info.vsi_handle;
if (!ice_is_vsi_valid(hw, vsi_handle))
return ICE_ERR_PARAM;
list_itr->fltr_info.fwd_id.hw_vsi_id =
ice_get_hw_vsi_num(hw, vsi_handle);
if (IS_UNICAST_ETHER_ADDR(add) && !hw->umac_shared) {
/* Don't remove the unicast address that belongs to
* another VSI on the switch, since it is not being
* shared...
*/
ice_acquire_lock(rule_lock);
if (!ice_find_ucast_rule_entry(&recp_list->filt_rules,
&list_itr->fltr_info)) {
ice_release_lock(rule_lock);
return ICE_ERR_DOES_NOT_EXIST;
}
ice_release_lock(rule_lock);
}
list_itr->status = ice_remove_rule_internal(hw, recp_list,
list_itr);
if (list_itr->status)
return list_itr->status;
}
return ICE_SUCCESS;
}
/**
* ice_remove_mac - remove a MAC address based filter rule
* @hw: pointer to the hardware structure
* @m_list: list of MAC addresses and forwarding information
*
*/
enum ice_status ice_remove_mac(struct ice_hw *hw, struct LIST_HEAD_TYPE *m_list)
{
struct ice_sw_recipe *recp_list;
recp_list = &hw->switch_info->recp_list[ICE_SW_LKUP_MAC];
return ice_remove_mac_rule(hw, m_list, recp_list);
}
/**
* ice_remove_vlan_rule - Remove VLAN based filter rule
* @hw: pointer to the hardware structure
* @v_list: list of VLAN entries and forwarding information
* @recp_list: list from which function remove VLAN
*/
static enum ice_status
ice_remove_vlan_rule(struct ice_hw *hw, struct LIST_HEAD_TYPE *v_list,
struct ice_sw_recipe *recp_list)
{
struct ice_fltr_list_entry *v_list_itr, *tmp;
LIST_FOR_EACH_ENTRY_SAFE(v_list_itr, tmp, v_list, ice_fltr_list_entry,
list_entry) {
enum ice_sw_lkup_type l_type = v_list_itr->fltr_info.lkup_type;
if (l_type != ICE_SW_LKUP_VLAN)
return ICE_ERR_PARAM;
v_list_itr->status = ice_remove_rule_internal(hw, recp_list,
v_list_itr);
if (v_list_itr->status)
return v_list_itr->status;
}
return ICE_SUCCESS;
}
/**
* ice_remove_vlan - remove a VLAN address based filter rule
* @hw: pointer to the hardware structure
* @v_list: list of VLAN and forwarding information
*
*/
enum ice_status
ice_remove_vlan(struct ice_hw *hw, struct LIST_HEAD_TYPE *v_list)
{
struct ice_sw_recipe *recp_list;
if (!v_list || !hw)
return ICE_ERR_PARAM;
recp_list = &hw->switch_info->recp_list[ICE_SW_LKUP_VLAN];
return ice_remove_vlan_rule(hw, v_list, recp_list);
}
/**
* ice_vsi_uses_fltr - Determine if given VSI uses specified filter
* @fm_entry: filter entry to inspect
* @vsi_handle: VSI handle to compare with filter info
*/
static bool
ice_vsi_uses_fltr(struct ice_fltr_mgmt_list_entry *fm_entry, u16 vsi_handle)
{
return ((fm_entry->fltr_info.fltr_act == ICE_FWD_TO_VSI &&
fm_entry->fltr_info.vsi_handle == vsi_handle) ||
(fm_entry->fltr_info.fltr_act == ICE_FWD_TO_VSI_LIST &&
fm_entry->vsi_list_info &&
(ice_is_bit_set(fm_entry->vsi_list_info->vsi_map,
vsi_handle))));
}
/**
* ice_add_entry_to_vsi_fltr_list - Add copy of fltr_list_entry to remove list
* @hw: pointer to the hardware structure
* @vsi_handle: VSI handle to remove filters from
* @vsi_list_head: pointer to the list to add entry to
* @fi: pointer to fltr_info of filter entry to copy & add
*
* Helper function, used when creating a list of filters to remove from
* a specific VSI. The entry added to vsi_list_head is a COPY of the
* original filter entry, with the exception of fltr_info.fltr_act and
* fltr_info.fwd_id fields. These are set such that later logic can
* extract which VSI to remove the fltr from, and pass on that information.
*/
static enum ice_status
ice_add_entry_to_vsi_fltr_list(struct ice_hw *hw, u16 vsi_handle,
struct LIST_HEAD_TYPE *vsi_list_head,
struct ice_fltr_info *fi)
{
struct ice_fltr_list_entry *tmp;
/* this memory is freed up in the caller function
* once filters for this VSI are removed
*/
tmp = (struct ice_fltr_list_entry *)ice_malloc(hw, sizeof(*tmp));
if (!tmp)
return ICE_ERR_NO_MEMORY;
tmp->fltr_info = *fi;
/* Overwrite these fields to indicate which VSI to remove filter from,
* so find and remove logic can extract the information from the
* list entries. Note that original entries will still have proper
* values.
*/
tmp->fltr_info.fltr_act = ICE_FWD_TO_VSI;
tmp->fltr_info.vsi_handle = vsi_handle;
tmp->fltr_info.fwd_id.hw_vsi_id = ice_get_hw_vsi_num(hw, vsi_handle);
LIST_ADD(&tmp->list_entry, vsi_list_head);
return ICE_SUCCESS;
}
/**
* ice_add_to_vsi_fltr_list - Add VSI filters to the list
* @hw: pointer to the hardware structure
* @vsi_handle: VSI handle to remove filters from
* @lkup_list_head: pointer to the list that has certain lookup type filters
* @vsi_list_head: pointer to the list pertaining to VSI with vsi_handle
*
* Locates all filters in lkup_list_head that are used by the given VSI,
* and adds COPIES of those entries to vsi_list_head (intended to be used
* to remove the listed filters).
* Note that this means all entries in vsi_list_head must be explicitly
* deallocated by the caller when done with list.
*/
static enum ice_status
ice_add_to_vsi_fltr_list(struct ice_hw *hw, u16 vsi_handle,
struct LIST_HEAD_TYPE *lkup_list_head,
struct LIST_HEAD_TYPE *vsi_list_head)
{
struct ice_fltr_mgmt_list_entry *fm_entry;
enum ice_status status = ICE_SUCCESS;
/* check to make sure VSI ID is valid and within boundary */
if (!ice_is_vsi_valid(hw, vsi_handle))
return ICE_ERR_PARAM;
LIST_FOR_EACH_ENTRY(fm_entry, lkup_list_head,
ice_fltr_mgmt_list_entry, list_entry) {
if (!ice_vsi_uses_fltr(fm_entry, vsi_handle))
continue;
status = ice_add_entry_to_vsi_fltr_list(hw, vsi_handle,
vsi_list_head,
&fm_entry->fltr_info);
if (status)
return status;
}
return status;
}
/**
* ice_determine_promisc_mask
* @fi: filter info to parse
* @promisc_mask: pointer to mask to be filled in
*
* Helper function to determine which ICE_PROMISC_ mask corresponds
* to given filter into.
*/
static void ice_determine_promisc_mask(struct ice_fltr_info *fi,
ice_bitmap_t *promisc_mask)
{
u16 vid = fi->l_data.mac_vlan.vlan_id;
u8 *macaddr = fi->l_data.mac.mac_addr;
bool is_rx_lb_fltr = false;
bool is_tx_fltr = false;
ice_zero_bitmap(promisc_mask, ICE_PROMISC_MAX);
if (fi->flag == ICE_FLTR_TX)
is_tx_fltr = true;
if (fi->flag == ICE_FLTR_RX_LB)
is_rx_lb_fltr = true;
if (IS_BROADCAST_ETHER_ADDR(macaddr)) {
ice_set_bit(is_tx_fltr ? ICE_PROMISC_BCAST_TX
: ICE_PROMISC_BCAST_RX, promisc_mask);
} else if (IS_MULTICAST_ETHER_ADDR(macaddr)) {
ice_set_bit(is_tx_fltr ? ICE_PROMISC_MCAST_TX
: ICE_PROMISC_MCAST_RX, promisc_mask);
} else if (IS_UNICAST_ETHER_ADDR(macaddr)) {
if (is_tx_fltr)
ice_set_bit(ICE_PROMISC_UCAST_TX, promisc_mask);
else if (is_rx_lb_fltr)
ice_set_bit(ICE_PROMISC_UCAST_RX_LB, promisc_mask);
else
ice_set_bit(ICE_PROMISC_UCAST_RX, promisc_mask);
}
if (vid) {
ice_set_bit(is_tx_fltr ? ICE_PROMISC_VLAN_TX
: ICE_PROMISC_VLAN_RX, promisc_mask);
}
}
/**
* _ice_get_vsi_promisc - get promiscuous mode of given VSI
* @hw: pointer to the hardware structure
* @vsi_handle: VSI handle to retrieve info from
* @promisc_mask: pointer to mask to be filled in
* @vid: VLAN ID of promisc VLAN VSI
* @sw: pointer to switch info struct for which function add rule
* @lkup: switch rule filter lookup type
*/
static enum ice_status
_ice_get_vsi_promisc(struct ice_hw *hw, u16 vsi_handle,
ice_bitmap_t *promisc_mask, u16 *vid,
struct ice_switch_info *sw, enum ice_sw_lkup_type lkup)
{
ice_declare_bitmap(fltr_promisc_mask, ICE_PROMISC_MAX);
struct ice_fltr_mgmt_list_entry *itr;
struct LIST_HEAD_TYPE *rule_head;
struct ice_lock *rule_lock; /* Lock to protect filter rule list */
if (!ice_is_vsi_valid(hw, vsi_handle) ||
(lkup != ICE_SW_LKUP_PROMISC && lkup != ICE_SW_LKUP_PROMISC_VLAN))
return ICE_ERR_PARAM;
*vid = 0;
rule_head = &sw->recp_list[lkup].filt_rules;
rule_lock = &sw->recp_list[lkup].filt_rule_lock;
ice_zero_bitmap(promisc_mask, ICE_PROMISC_MAX);
ice_acquire_lock(rule_lock);
LIST_FOR_EACH_ENTRY(itr, rule_head,
ice_fltr_mgmt_list_entry, list_entry) {
/* Continue if this filter doesn't apply to this VSI or the
* VSI ID is not in the VSI map for this filter
*/
if (!ice_vsi_uses_fltr(itr, vsi_handle))
continue;
ice_determine_promisc_mask(&itr->fltr_info, fltr_promisc_mask);
ice_or_bitmap(promisc_mask, promisc_mask, fltr_promisc_mask,
ICE_PROMISC_MAX);
}
ice_release_lock(rule_lock);
return ICE_SUCCESS;
}
/**
* ice_get_vsi_promisc - get promiscuous mode of given VSI
* @hw: pointer to the hardware structure
* @vsi_handle: VSI handle to retrieve info from
* @promisc_mask: pointer to mask to be filled in
* @vid: VLAN ID of promisc VLAN VSI
*/
enum ice_status
ice_get_vsi_promisc(struct ice_hw *hw, u16 vsi_handle,
ice_bitmap_t *promisc_mask, u16 *vid)
{
if (!vid || !promisc_mask || !hw)
return ICE_ERR_PARAM;
return _ice_get_vsi_promisc(hw, vsi_handle, promisc_mask,
vid, hw->switch_info, ICE_SW_LKUP_PROMISC);
}
/**
* ice_get_vsi_vlan_promisc - get VLAN promiscuous mode of given VSI
* @hw: pointer to the hardware structure
* @vsi_handle: VSI handle to retrieve info from
* @promisc_mask: pointer to mask to be filled in
* @vid: VLAN ID of promisc VLAN VSI
*/
enum ice_status
ice_get_vsi_vlan_promisc(struct ice_hw *hw, u16 vsi_handle,
ice_bitmap_t *promisc_mask, u16 *vid)
{
if (!hw || !promisc_mask || !vid)
return ICE_ERR_PARAM;
return _ice_get_vsi_promisc(hw, vsi_handle, promisc_mask,
vid, hw->switch_info,
ICE_SW_LKUP_PROMISC_VLAN);
}
/**
* ice_remove_promisc - Remove promisc based filter rules
* @hw: pointer to the hardware structure
* @recp_id: recipe ID for which the rule needs to removed
* @v_list: list of promisc entries
*/
static enum ice_status
ice_remove_promisc(struct ice_hw *hw, u8 recp_id,
struct LIST_HEAD_TYPE *v_list)
{
struct ice_fltr_list_entry *v_list_itr, *tmp;
struct ice_sw_recipe *recp_list;
recp_list = &hw->switch_info->recp_list[recp_id];
LIST_FOR_EACH_ENTRY_SAFE(v_list_itr, tmp, v_list, ice_fltr_list_entry,
list_entry) {
v_list_itr->status =
ice_remove_rule_internal(hw, recp_list, v_list_itr);
if (v_list_itr->status)
return v_list_itr->status;
}
return ICE_SUCCESS;
}
/**
* _ice_clear_vsi_promisc - clear specified promiscuous mode(s)
* @hw: pointer to the hardware structure
* @vsi_handle: VSI handle to clear mode
* @promisc_mask: pointer to mask of promiscuous config bits to clear
* @vid: VLAN ID to clear VLAN promiscuous
* @sw: pointer to switch info struct for which function add rule
*/
static enum ice_status
_ice_clear_vsi_promisc(struct ice_hw *hw, u16 vsi_handle,
ice_bitmap_t *promisc_mask, u16 vid,
struct ice_switch_info *sw)
{
ice_declare_bitmap(compl_promisc_mask, ICE_PROMISC_MAX);
ice_declare_bitmap(fltr_promisc_mask, ICE_PROMISC_MAX);
struct ice_fltr_list_entry *fm_entry, *tmp;
struct LIST_HEAD_TYPE remove_list_head;
struct ice_fltr_mgmt_list_entry *itr;
struct LIST_HEAD_TYPE *rule_head;
struct ice_lock *rule_lock; /* Lock to protect filter rule list */
enum ice_status status = ICE_SUCCESS;
u8 recipe_id;
if (!ice_is_vsi_valid(hw, vsi_handle))
return ICE_ERR_PARAM;
if (ice_is_bit_set(promisc_mask, ICE_PROMISC_VLAN_RX) &&
ice_is_bit_set(promisc_mask, ICE_PROMISC_VLAN_TX))
recipe_id = ICE_SW_LKUP_PROMISC_VLAN;
else
recipe_id = ICE_SW_LKUP_PROMISC;
rule_head = &sw->recp_list[recipe_id].filt_rules;
rule_lock = &sw->recp_list[recipe_id].filt_rule_lock;
INIT_LIST_HEAD(&remove_list_head);
ice_acquire_lock(rule_lock);
LIST_FOR_EACH_ENTRY(itr, rule_head,
ice_fltr_mgmt_list_entry, list_entry) {
struct ice_fltr_info *fltr_info;
ice_zero_bitmap(compl_promisc_mask, ICE_PROMISC_MAX);
if (!ice_vsi_uses_fltr(itr, vsi_handle))
continue;
fltr_info = &itr->fltr_info;
if (recipe_id == ICE_SW_LKUP_PROMISC_VLAN &&
vid != fltr_info->l_data.mac_vlan.vlan_id)
continue;
ice_determine_promisc_mask(fltr_info, fltr_promisc_mask);
ice_andnot_bitmap(compl_promisc_mask, fltr_promisc_mask,
promisc_mask, ICE_PROMISC_MAX);
/* Skip if filter is not completely specified by given mask */
if (ice_is_any_bit_set(compl_promisc_mask, ICE_PROMISC_MAX))
continue;
status = ice_add_entry_to_vsi_fltr_list(hw, vsi_handle,
&remove_list_head,
fltr_info);
if (status) {
ice_release_lock(rule_lock);
goto free_fltr_list;
}
}
ice_release_lock(rule_lock);
status = ice_remove_promisc(hw, recipe_id, &remove_list_head);
free_fltr_list:
LIST_FOR_EACH_ENTRY_SAFE(fm_entry, tmp, &remove_list_head,
ice_fltr_list_entry, list_entry) {
LIST_DEL(&fm_entry->list_entry);
ice_free(hw, fm_entry);
}
return status;
}
/**
* ice_clear_vsi_promisc - clear specified promiscuous mode(s) for given VSI
* @hw: pointer to the hardware structure
* @vsi_handle: VSI handle to clear mode
* @promisc_mask: pointer to mask of promiscuous config bits to clear
* @vid: VLAN ID to clear VLAN promiscuous
*/
enum ice_status
ice_clear_vsi_promisc(struct ice_hw *hw, u16 vsi_handle,
ice_bitmap_t *promisc_mask, u16 vid)
{
if (!hw || !promisc_mask)
return ICE_ERR_PARAM;
return _ice_clear_vsi_promisc(hw, vsi_handle, promisc_mask,
vid, hw->switch_info);
}
/**
* _ice_set_vsi_promisc - set given VSI to given promiscuous mode(s)
* @hw: pointer to the hardware structure
* @vsi_handle: VSI handle to configure
* @promisc_mask: pointer to mask of promiscuous config bits
* @vid: VLAN ID to set VLAN promiscuous
* @lport: logical port number to configure promisc mode
* @sw: pointer to switch info struct for which function add rule
*/
static enum ice_status
_ice_set_vsi_promisc(struct ice_hw *hw, u16 vsi_handle,
ice_bitmap_t *promisc_mask, u16 vid, u8 lport,
struct ice_switch_info *sw)
{
enum { UCAST_FLTR = 1, MCAST_FLTR, BCAST_FLTR };
ice_declare_bitmap(p_mask, ICE_PROMISC_MAX);
struct ice_fltr_list_entry f_list_entry;
struct ice_fltr_info new_fltr;
enum ice_status status = ICE_SUCCESS;
bool is_tx_fltr, is_rx_lb_fltr;
u16 hw_vsi_id;
int pkt_type;
u8 recipe_id;
ice_debug(hw, ICE_DBG_TRACE, "%s\n", __func__);
if (!ice_is_vsi_valid(hw, vsi_handle))
return ICE_ERR_PARAM;
hw_vsi_id = ice_get_hw_vsi_num(hw, vsi_handle);
ice_memset(&new_fltr, 0, sizeof(new_fltr), ICE_NONDMA_MEM);
/* Do not modify original bitmap */
ice_cp_bitmap(p_mask, promisc_mask, ICE_PROMISC_MAX);
if (ice_is_bit_set(p_mask, ICE_PROMISC_VLAN_RX) &&
ice_is_bit_set(p_mask, ICE_PROMISC_VLAN_TX)) {
new_fltr.lkup_type = ICE_SW_LKUP_PROMISC_VLAN;
new_fltr.l_data.mac_vlan.vlan_id = vid;
recipe_id = ICE_SW_LKUP_PROMISC_VLAN;
} else {
new_fltr.lkup_type = ICE_SW_LKUP_PROMISC;
recipe_id = ICE_SW_LKUP_PROMISC;
}
/* Separate filters must be set for each direction/packet type
* combination, so we will loop over the mask value, store the
* individual type, and clear it out in the input mask as it
* is found.
*/
while (ice_is_any_bit_set(p_mask, ICE_PROMISC_MAX)) {
struct ice_sw_recipe *recp_list;
u8 *mac_addr;
pkt_type = 0;
is_tx_fltr = false;
is_rx_lb_fltr = false;
if (ice_test_and_clear_bit(ICE_PROMISC_UCAST_RX,
p_mask)) {
pkt_type = UCAST_FLTR;
} else if (ice_test_and_clear_bit(ICE_PROMISC_UCAST_TX,
p_mask)) {
pkt_type = UCAST_FLTR;
is_tx_fltr = true;
} else if (ice_test_and_clear_bit(ICE_PROMISC_MCAST_RX,
p_mask)) {
pkt_type = MCAST_FLTR;
} else if (ice_test_and_clear_bit(ICE_PROMISC_MCAST_TX,
p_mask)) {
pkt_type = MCAST_FLTR;
is_tx_fltr = true;
} else if (ice_test_and_clear_bit(ICE_PROMISC_BCAST_RX,
p_mask)) {
pkt_type = BCAST_FLTR;
} else if (ice_test_and_clear_bit(ICE_PROMISC_BCAST_TX,
p_mask)) {
pkt_type = BCAST_FLTR;
is_tx_fltr = true;
} else if (ice_test_and_clear_bit(ICE_PROMISC_UCAST_RX_LB,
p_mask)) {
pkt_type = UCAST_FLTR;
is_rx_lb_fltr = true;
}
/* Check for VLAN promiscuous flag */
if (ice_is_bit_set(p_mask, ICE_PROMISC_VLAN_RX)) {
ice_clear_bit(ICE_PROMISC_VLAN_RX, p_mask);
} else if (ice_test_and_clear_bit(ICE_PROMISC_VLAN_TX,
p_mask)) {
is_tx_fltr = true;
}
/* Set filter DA based on packet type */
mac_addr = new_fltr.l_data.mac.mac_addr;
if (pkt_type == BCAST_FLTR) {
ice_memset(mac_addr, 0xff, ETH_ALEN, ICE_NONDMA_MEM);
} else if (pkt_type == MCAST_FLTR ||
pkt_type == UCAST_FLTR) {
/* Use the dummy ether header DA */
ice_memcpy(mac_addr, dummy_eth_header, ETH_ALEN,
ICE_NONDMA_TO_NONDMA);
if (pkt_type == MCAST_FLTR)
mac_addr[0] |= 0x1; /* Set multicast bit */
}
/* Need to reset this to zero for all iterations */
new_fltr.flag = 0;
if (is_tx_fltr) {
new_fltr.flag |= ICE_FLTR_TX;
new_fltr.src = hw_vsi_id;
} else if (is_rx_lb_fltr) {
new_fltr.flag |= ICE_FLTR_RX_LB;
new_fltr.src = hw_vsi_id;
} else {
new_fltr.flag |= ICE_FLTR_RX;
new_fltr.src = lport;
}
new_fltr.fltr_act = ICE_FWD_TO_VSI;
new_fltr.vsi_handle = vsi_handle;
new_fltr.fwd_id.hw_vsi_id = hw_vsi_id;
f_list_entry.fltr_info = new_fltr;
recp_list = &sw->recp_list[recipe_id];
status = ice_add_rule_internal(hw, recp_list, lport,
&f_list_entry);
if (status != ICE_SUCCESS)
goto set_promisc_exit;
}
set_promisc_exit:
return status;
}
/**
* ice_set_vsi_promisc - set given VSI to given promiscuous mode(s)
* @hw: pointer to the hardware structure
* @vsi_handle: VSI handle to configure
* @promisc_mask: pointer to mask of promiscuous config bits
* @vid: VLAN ID to set VLAN promiscuous
*/
enum ice_status
ice_set_vsi_promisc(struct ice_hw *hw, u16 vsi_handle,
ice_bitmap_t *promisc_mask, u16 vid)
{
if (!hw || !promisc_mask)
return ICE_ERR_PARAM;
return _ice_set_vsi_promisc(hw, vsi_handle, promisc_mask, vid,
hw->port_info->lport,
hw->switch_info);
}
/**
* _ice_set_vlan_vsi_promisc
* @hw: pointer to the hardware structure
* @vsi_handle: VSI handle to configure
* @promisc_mask: pointer to mask of promiscuous config bits
* @rm_vlan_promisc: Clear VLANs VSI promisc mode
* @lport: logical port number to configure promisc mode
* @sw: pointer to switch info struct for which function add rule
*
* Configure VSI with all associated VLANs to given promiscuous mode(s)
*/
static enum ice_status
_ice_set_vlan_vsi_promisc(struct ice_hw *hw, u16 vsi_handle,
ice_bitmap_t *promisc_mask, bool rm_vlan_promisc,
u8 lport, struct ice_switch_info *sw)
{
struct ice_fltr_list_entry *list_itr, *tmp;
struct LIST_HEAD_TYPE vsi_list_head;
struct LIST_HEAD_TYPE *vlan_head;
struct ice_lock *vlan_lock; /* Lock to protect filter rule list */
enum ice_status status;
u16 vlan_id;
INIT_LIST_HEAD(&vsi_list_head);
vlan_lock = &sw->recp_list[ICE_SW_LKUP_VLAN].filt_rule_lock;
vlan_head = &sw->recp_list[ICE_SW_LKUP_VLAN].filt_rules;
ice_acquire_lock(vlan_lock);
status = ice_add_to_vsi_fltr_list(hw, vsi_handle, vlan_head,
&vsi_list_head);
ice_release_lock(vlan_lock);
if (status)
goto free_fltr_list;
LIST_FOR_EACH_ENTRY(list_itr, &vsi_list_head, ice_fltr_list_entry,
list_entry) {
/* Avoid enabling or disabling vlan zero twice when in double
* vlan mode
*/
if (ice_is_dvm_ena(hw) &&
list_itr->fltr_info.l_data.vlan.tpid == 0)
continue;
vlan_id = list_itr->fltr_info.l_data.vlan.vlan_id;
if (rm_vlan_promisc)
status = _ice_clear_vsi_promisc(hw, vsi_handle,
promisc_mask,
vlan_id, sw);
else
status = _ice_set_vsi_promisc(hw, vsi_handle,
promisc_mask, vlan_id,
lport, sw);
if (status && status != ICE_ERR_ALREADY_EXISTS)
break;
}
free_fltr_list:
LIST_FOR_EACH_ENTRY_SAFE(list_itr, tmp, &vsi_list_head,
ice_fltr_list_entry, list_entry) {
LIST_DEL(&list_itr->list_entry);
ice_free(hw, list_itr);
}
return status;
}
/**
* ice_set_vlan_vsi_promisc
* @hw: pointer to the hardware structure
* @vsi_handle: VSI handle to configure
* @promisc_mask: mask of promiscuous config bits
* @rm_vlan_promisc: Clear VLANs VSI promisc mode
*
* Configure VSI with all associated VLANs to given promiscuous mode(s)
*/
enum ice_status
ice_set_vlan_vsi_promisc(struct ice_hw *hw, u16 vsi_handle,
ice_bitmap_t *promisc_mask, bool rm_vlan_promisc)
{
if (!hw || !promisc_mask)
return ICE_ERR_PARAM;
return _ice_set_vlan_vsi_promisc(hw, vsi_handle, promisc_mask,
rm_vlan_promisc, hw->port_info->lport,
hw->switch_info);
}
/**
* ice_remove_vsi_lkup_fltr - Remove lookup type filters for a VSI
* @hw: pointer to the hardware structure
* @vsi_handle: VSI handle to remove filters from
* @recp_list: recipe list from which function remove fltr
* @lkup: switch rule filter lookup type
*/
static void
ice_remove_vsi_lkup_fltr(struct ice_hw *hw, u16 vsi_handle,
struct ice_sw_recipe *recp_list,
enum ice_sw_lkup_type lkup)
{
struct ice_fltr_list_entry *fm_entry;
struct LIST_HEAD_TYPE remove_list_head;
struct LIST_HEAD_TYPE *rule_head;
struct ice_fltr_list_entry *tmp;
struct ice_lock *rule_lock; /* Lock to protect filter rule list */
enum ice_status status;
INIT_LIST_HEAD(&remove_list_head);
rule_lock = &recp_list[lkup].filt_rule_lock;
rule_head = &recp_list[lkup].filt_rules;
ice_acquire_lock(rule_lock);
status = ice_add_to_vsi_fltr_list(hw, vsi_handle, rule_head,
&remove_list_head);
ice_release_lock(rule_lock);
if (status)
goto free_fltr_list;
switch (lkup) {
case ICE_SW_LKUP_MAC:
ice_remove_mac_rule(hw, &remove_list_head, &recp_list[lkup]);
break;
case ICE_SW_LKUP_VLAN:
ice_remove_vlan_rule(hw, &remove_list_head, &recp_list[lkup]);
break;
case ICE_SW_LKUP_PROMISC:
case ICE_SW_LKUP_PROMISC_VLAN:
ice_remove_promisc(hw, (u8)lkup, &remove_list_head);
break;
case ICE_SW_LKUP_MAC_VLAN:
ice_debug(hw, ICE_DBG_SW, "MAC VLAN look up is not supported yet\n");
break;
case ICE_SW_LKUP_ETHERTYPE:
case ICE_SW_LKUP_ETHERTYPE_MAC:
ice_remove_eth_mac(hw, &remove_list_head);
break;
case ICE_SW_LKUP_DFLT:
ice_debug(hw, ICE_DBG_SW, "Remove filters for this lookup type hasn't been implemented yet\n");
break;
case ICE_SW_LKUP_LAST:
ice_debug(hw, ICE_DBG_SW, "Unsupported lookup type\n");
break;
}
free_fltr_list:
LIST_FOR_EACH_ENTRY_SAFE(fm_entry, tmp, &remove_list_head,
ice_fltr_list_entry, list_entry) {
LIST_DEL(&fm_entry->list_entry);
ice_free(hw, fm_entry);
}
}
/**
* ice_remove_vsi_fltr_rule - Remove all filters for a VSI
* @hw: pointer to the hardware structure
* @vsi_handle: VSI handle to remove filters from
* @sw: pointer to switch info struct
*/
static void
ice_remove_vsi_fltr_rule(struct ice_hw *hw, u16 vsi_handle,
struct ice_switch_info *sw)
{
ice_debug(hw, ICE_DBG_TRACE, "%s\n", __func__);
ice_remove_vsi_lkup_fltr(hw, vsi_handle,
sw->recp_list, ICE_SW_LKUP_MAC);
ice_remove_vsi_lkup_fltr(hw, vsi_handle,
sw->recp_list, ICE_SW_LKUP_MAC_VLAN);
ice_remove_vsi_lkup_fltr(hw, vsi_handle,
sw->recp_list, ICE_SW_LKUP_PROMISC);
ice_remove_vsi_lkup_fltr(hw, vsi_handle,
sw->recp_list, ICE_SW_LKUP_VLAN);
ice_remove_vsi_lkup_fltr(hw, vsi_handle,
sw->recp_list, ICE_SW_LKUP_DFLT);
ice_remove_vsi_lkup_fltr(hw, vsi_handle,
sw->recp_list, ICE_SW_LKUP_ETHERTYPE);
ice_remove_vsi_lkup_fltr(hw, vsi_handle,
sw->recp_list, ICE_SW_LKUP_ETHERTYPE_MAC);
ice_remove_vsi_lkup_fltr(hw, vsi_handle,
sw->recp_list, ICE_SW_LKUP_PROMISC_VLAN);
}
/**
* ice_remove_vsi_fltr - Remove all filters for a VSI
* @hw: pointer to the hardware structure
* @vsi_handle: VSI handle to remove filters from
*/
void ice_remove_vsi_fltr(struct ice_hw *hw, u16 vsi_handle)
{
ice_remove_vsi_fltr_rule(hw, vsi_handle, hw->switch_info);
}
/**
* ice_alloc_res_cntr - allocating resource counter
* @hw: pointer to the hardware structure
* @type: type of resource
* @alloc_shared: if set it is shared else dedicated
* @num_items: number of entries requested for FD resource type
* @counter_id: counter index returned by AQ call
*/
static enum ice_status
ice_alloc_res_cntr(struct ice_hw *hw, u8 type, u8 alloc_shared, u16 num_items,
u16 *counter_id)
{
struct ice_aqc_alloc_free_res_elem *buf;
enum ice_status status;
u16 buf_len;
/* Allocate resource */
buf_len = ice_struct_size(buf, elem, 1);
buf = (struct ice_aqc_alloc_free_res_elem *)ice_malloc(hw, buf_len);
if (!buf)
return ICE_ERR_NO_MEMORY;
buf->num_elems = CPU_TO_LE16(num_items);
buf->res_type = CPU_TO_LE16(((type << ICE_AQC_RES_TYPE_S) &
ICE_AQC_RES_TYPE_M) | alloc_shared);
status = ice_aq_alloc_free_res(hw, 1, buf, buf_len,
ice_aqc_opc_alloc_res, NULL);
if (status)
goto exit;
*counter_id = LE16_TO_CPU(buf->elem[0].e.sw_resp);
exit:
ice_free(hw, buf);
return status;
}
/**
* ice_free_res_cntr - free resource counter
* @hw: pointer to the hardware structure
* @type: type of resource
* @alloc_shared: if set it is shared else dedicated
* @num_items: number of entries to be freed for FD resource type
* @counter_id: counter ID resource which needs to be freed
*/
static enum ice_status
ice_free_res_cntr(struct ice_hw *hw, u8 type, u8 alloc_shared, u16 num_items,
u16 counter_id)
{
struct ice_aqc_alloc_free_res_elem *buf;
enum ice_status status;
u16 buf_len;
/* Free resource */
buf_len = ice_struct_size(buf, elem, 1);
buf = (struct ice_aqc_alloc_free_res_elem *)ice_malloc(hw, buf_len);
if (!buf)
return ICE_ERR_NO_MEMORY;
buf->num_elems = CPU_TO_LE16(num_items);
buf->res_type = CPU_TO_LE16(((type << ICE_AQC_RES_TYPE_S) &
ICE_AQC_RES_TYPE_M) | alloc_shared);
buf->elem[0].e.sw_resp = CPU_TO_LE16(counter_id);
status = ice_aq_alloc_free_res(hw, 1, buf, buf_len,
ice_aqc_opc_free_res, NULL);
if (status)
ice_debug(hw, ICE_DBG_SW, "counter resource could not be freed\n");
ice_free(hw, buf);
return status;
}
/**
* ice_alloc_vlan_res_counter - obtain counter resource for VLAN type
* @hw: pointer to the hardware structure
* @counter_id: returns counter index
*/
enum ice_status ice_alloc_vlan_res_counter(struct ice_hw *hw, u16 *counter_id)
{
return ice_alloc_res_cntr(hw, ICE_AQC_RES_TYPE_VLAN_COUNTER,
ICE_AQC_RES_TYPE_FLAG_DEDICATED, 1,
counter_id);
}
/**
* ice_free_vlan_res_counter - Free counter resource for VLAN type
* @hw: pointer to the hardware structure
* @counter_id: counter index to be freed
*/
enum ice_status ice_free_vlan_res_counter(struct ice_hw *hw, u16 counter_id)
{
return ice_free_res_cntr(hw, ICE_AQC_RES_TYPE_VLAN_COUNTER,
ICE_AQC_RES_TYPE_FLAG_DEDICATED, 1,
counter_id);
}
/**
* ice_add_mac_with_sw_marker - add filter with sw marker
* @hw: pointer to the hardware structure
* @f_info: filter info structure containing the MAC filter information
* @sw_marker: sw marker to tag the Rx descriptor with
*/
enum ice_status
ice_add_mac_with_sw_marker(struct ice_hw *hw, struct ice_fltr_info *f_info,
u16 sw_marker)
{
struct ice_fltr_mgmt_list_entry *m_entry;
struct ice_fltr_list_entry fl_info;
struct ice_sw_recipe *recp_list;
struct LIST_HEAD_TYPE l_head;
struct ice_lock *rule_lock; /* Lock to protect filter rule list */
enum ice_status ret;
bool entry_exists;
u16 lg_act_id;
if (f_info->fltr_act != ICE_FWD_TO_VSI)
return ICE_ERR_PARAM;
if (f_info->lkup_type != ICE_SW_LKUP_MAC)
return ICE_ERR_PARAM;
if (sw_marker == ICE_INVAL_SW_MARKER_ID)
return ICE_ERR_PARAM;
if (!ice_is_vsi_valid(hw, f_info->vsi_handle))
return ICE_ERR_PARAM;
f_info->fwd_id.hw_vsi_id = ice_get_hw_vsi_num(hw, f_info->vsi_handle);
/* Add filter if it doesn't exist so then the adding of large
* action always results in update
*/
INIT_LIST_HEAD(&l_head);
fl_info.fltr_info = *f_info;
LIST_ADD(&fl_info.list_entry, &l_head);
entry_exists = false;
ret = ice_add_mac_rule(hw, &l_head, hw->switch_info,
hw->port_info->lport);
if (ret == ICE_ERR_ALREADY_EXISTS)
entry_exists = true;
else if (ret)
return ret;
recp_list = &hw->switch_info->recp_list[ICE_SW_LKUP_MAC];
rule_lock = &recp_list->filt_rule_lock;
ice_acquire_lock(rule_lock);
/* Get the book keeping entry for the filter */
m_entry = ice_find_rule_entry(&recp_list->filt_rules, f_info);
if (!m_entry)
goto exit_error;
/* If counter action was enabled for this rule then don't enable
* sw marker large action
*/
if (m_entry->counter_index != ICE_INVAL_COUNTER_ID) {
ret = ICE_ERR_PARAM;
goto exit_error;
}
/* if same marker was added before */
if (m_entry->sw_marker_id == sw_marker) {
ret = ICE_ERR_ALREADY_EXISTS;
goto exit_error;
}
/* Allocate a hardware table entry to hold large act. Three actions
* for marker based large action
*/
ret = ice_alloc_res_lg_act(hw, &lg_act_id, 3);
if (ret)
goto exit_error;
if (lg_act_id == ICE_INVAL_LG_ACT_INDEX)
goto exit_error;
/* Update the switch rule to add the marker action */
ret = ice_add_marker_act(hw, m_entry, sw_marker, lg_act_id);
if (!ret) {
ice_release_lock(rule_lock);
return ret;
}
exit_error:
ice_release_lock(rule_lock);
/* only remove entry if it did not exist previously */
if (!entry_exists)
ret = ice_remove_mac(hw, &l_head);
return ret;
}
/**
* ice_add_mac_with_counter - add filter with counter enabled
* @hw: pointer to the hardware structure
* @f_info: pointer to filter info structure containing the MAC filter
* information
*/
enum ice_status
ice_add_mac_with_counter(struct ice_hw *hw, struct ice_fltr_info *f_info)
{
struct ice_fltr_mgmt_list_entry *m_entry;
struct ice_fltr_list_entry fl_info;
struct ice_sw_recipe *recp_list;
struct LIST_HEAD_TYPE l_head;
struct ice_lock *rule_lock; /* Lock to protect filter rule list */
enum ice_status ret;
bool entry_exist;
u16 counter_id;
u16 lg_act_id;
if (f_info->fltr_act != ICE_FWD_TO_VSI)
return ICE_ERR_PARAM;
if (f_info->lkup_type != ICE_SW_LKUP_MAC)
return ICE_ERR_PARAM;
if (!ice_is_vsi_valid(hw, f_info->vsi_handle))
return ICE_ERR_PARAM;
f_info->fwd_id.hw_vsi_id = ice_get_hw_vsi_num(hw, f_info->vsi_handle);
recp_list = &hw->switch_info->recp_list[ICE_SW_LKUP_MAC];
entry_exist = false;
rule_lock = &recp_list->filt_rule_lock;
/* Add filter if it doesn't exist so then the adding of large
* action always results in update
*/
INIT_LIST_HEAD(&l_head);
fl_info.fltr_info = *f_info;
LIST_ADD(&fl_info.list_entry, &l_head);
ret = ice_add_mac_rule(hw, &l_head, hw->switch_info,
hw->port_info->lport);
if (ret == ICE_ERR_ALREADY_EXISTS)
entry_exist = true;
else if (ret)
return ret;
ice_acquire_lock(rule_lock);
m_entry = ice_find_rule_entry(&recp_list->filt_rules, f_info);
if (!m_entry) {
ret = ICE_ERR_BAD_PTR;
goto exit_error;
}
/* Don't enable counter for a filter for which sw marker was enabled */
if (m_entry->sw_marker_id != ICE_INVAL_SW_MARKER_ID) {
ret = ICE_ERR_PARAM;
goto exit_error;
}
/* If a counter was already enabled then don't need to add again */
if (m_entry->counter_index != ICE_INVAL_COUNTER_ID) {
ret = ICE_ERR_ALREADY_EXISTS;
goto exit_error;
}
/* Allocate a hardware table entry to VLAN counter */
ret = ice_alloc_vlan_res_counter(hw, &counter_id);
if (ret)
goto exit_error;
/* Allocate a hardware table entry to hold large act. Two actions for
* counter based large action
*/
ret = ice_alloc_res_lg_act(hw, &lg_act_id, 2);
if (ret)
goto exit_error;
if (lg_act_id == ICE_INVAL_LG_ACT_INDEX)
goto exit_error;
/* Update the switch rule to add the counter action */
ret = ice_add_counter_act(hw, m_entry, counter_id, lg_act_id);
if (!ret) {
ice_release_lock(rule_lock);
return ret;
}
exit_error:
ice_release_lock(rule_lock);
/* only remove entry if it did not exist previously */
if (!entry_exist)
ret = ice_remove_mac(hw, &l_head);
return ret;
}
/**
* ice_replay_fltr - Replay all the filters stored by a specific list head
* @hw: pointer to the hardware structure
* @list_head: list for which filters needs to be replayed
* @recp_id: Recipe ID for which rules need to be replayed
*/
static enum ice_status
ice_replay_fltr(struct ice_hw *hw, u8 recp_id, struct LIST_HEAD_TYPE *list_head)
{
struct ice_fltr_mgmt_list_entry *itr;
enum ice_status status = ICE_SUCCESS;
struct ice_sw_recipe *recp_list;
u8 lport = hw->port_info->lport;
struct LIST_HEAD_TYPE l_head;
if (LIST_EMPTY(list_head))
return status;
recp_list = &hw->switch_info->recp_list[recp_id];
/* Move entries from the given list_head to a temporary l_head so that
* they can be replayed. Otherwise when trying to re-add the same
* filter, the function will return already exists
*/
LIST_REPLACE_INIT(list_head, &l_head);
/* Mark the given list_head empty by reinitializing it so filters
* could be added again by *handler
*/
LIST_FOR_EACH_ENTRY(itr, &l_head, ice_fltr_mgmt_list_entry,
list_entry) {
struct ice_fltr_list_entry f_entry;
u16 vsi_handle;
f_entry.fltr_info = itr->fltr_info;
if (itr->vsi_count < 2 && recp_id != ICE_SW_LKUP_VLAN) {
status = ice_add_rule_internal(hw, recp_list, lport,
&f_entry);
if (status != ICE_SUCCESS)
goto end;
continue;
}
/* Add a filter per VSI separately */
ice_for_each_set_bit(vsi_handle, itr->vsi_list_info->vsi_map,
ICE_MAX_VSI) {
if (!ice_is_vsi_valid(hw, vsi_handle))
break;
ice_clear_bit(vsi_handle, itr->vsi_list_info->vsi_map);
f_entry.fltr_info.vsi_handle = vsi_handle;
f_entry.fltr_info.fwd_id.hw_vsi_id =
ice_get_hw_vsi_num(hw, vsi_handle);
f_entry.fltr_info.fltr_act = ICE_FWD_TO_VSI;
if (recp_id == ICE_SW_LKUP_VLAN)
status = ice_add_vlan_internal(hw, recp_list,
&f_entry);
else
status = ice_add_rule_internal(hw, recp_list,
lport,
&f_entry);
if (status != ICE_SUCCESS)
goto end;
}
}
end:
/* Clear the filter management list */
ice_rem_sw_rule_info(hw, &l_head);
return status;
}
/**
* ice_replay_all_fltr - replay all filters stored in bookkeeping lists
* @hw: pointer to the hardware structure
*
* NOTE: This function does not clean up partially added filters on error.
* It is up to caller of the function to issue a reset or fail early.
*/
enum ice_status ice_replay_all_fltr(struct ice_hw *hw)
{
struct ice_switch_info *sw = hw->switch_info;
enum ice_status status = ICE_SUCCESS;
u8 i;
for (i = 0; i < ICE_MAX_NUM_RECIPES; i++) {
struct LIST_HEAD_TYPE *head = &sw->recp_list[i].filt_rules;
status = ice_replay_fltr(hw, i, head);
if (status != ICE_SUCCESS)
return status;
}
return status;
}
/**
* ice_replay_vsi_fltr - Replay filters for requested VSI
* @hw: pointer to the hardware structure
* @pi: pointer to port information structure
* @sw: pointer to switch info struct for which function replays filters
* @vsi_handle: driver VSI handle
* @recp_id: Recipe ID for which rules need to be replayed
* @list_head: list for which filters need to be replayed
*
* Replays the filter of recipe recp_id for a VSI represented via vsi_handle.
* It is required to pass valid VSI handle.
*/
static enum ice_status
ice_replay_vsi_fltr(struct ice_hw *hw, struct ice_port_info *pi,
struct ice_switch_info *sw, u16 vsi_handle, u8 recp_id,
struct LIST_HEAD_TYPE *list_head)
{
struct ice_fltr_mgmt_list_entry *itr;
enum ice_status status = ICE_SUCCESS;
struct ice_sw_recipe *recp_list;
u16 hw_vsi_id;
if (LIST_EMPTY(list_head))
return status;
recp_list = &sw->recp_list[recp_id];
hw_vsi_id = ice_get_hw_vsi_num(hw, vsi_handle);
LIST_FOR_EACH_ENTRY(itr, list_head, ice_fltr_mgmt_list_entry,
list_entry) {
struct ice_fltr_list_entry f_entry;
f_entry.fltr_info = itr->fltr_info;
if (itr->vsi_count < 2 && recp_id != ICE_SW_LKUP_VLAN &&
itr->fltr_info.vsi_handle == vsi_handle) {
/* update the src in case it is VSI num */
if (f_entry.fltr_info.src_id == ICE_SRC_ID_VSI)
f_entry.fltr_info.src = hw_vsi_id;
status = ice_add_rule_internal(hw, recp_list,
pi->lport,
&f_entry);
if (status != ICE_SUCCESS)
goto end;
continue;
}
if (!itr->vsi_list_info ||
!ice_is_bit_set(itr->vsi_list_info->vsi_map, vsi_handle))
continue;
/* Clearing it so that the logic can add it back */
ice_clear_bit(vsi_handle, itr->vsi_list_info->vsi_map);
f_entry.fltr_info.vsi_handle = vsi_handle;
f_entry.fltr_info.fltr_act = ICE_FWD_TO_VSI;
/* update the src in case it is VSI num */
if (f_entry.fltr_info.src_id == ICE_SRC_ID_VSI)
f_entry.fltr_info.src = hw_vsi_id;
if (recp_id == ICE_SW_LKUP_VLAN)
status = ice_add_vlan_internal(hw, recp_list, &f_entry);
else
status = ice_add_rule_internal(hw, recp_list,
pi->lport,
&f_entry);
if (status != ICE_SUCCESS)
goto end;
}
end:
return status;
}
/**
* ice_replay_vsi_all_fltr - replay all filters stored in bookkeeping lists
* @hw: pointer to the hardware structure
* @pi: pointer to port information structure
* @vsi_handle: driver VSI handle
*
* Replays filters for requested VSI via vsi_handle.
*/
enum ice_status
ice_replay_vsi_all_fltr(struct ice_hw *hw, struct ice_port_info *pi,
u16 vsi_handle)
{
struct ice_switch_info *sw = NULL;
enum ice_status status = ICE_SUCCESS;
u8 i;
sw = hw->switch_info;
/* Update the recipes that were created */
for (i = 0; i < ICE_MAX_NUM_RECIPES; i++) {
struct LIST_HEAD_TYPE *head;
head = &sw->recp_list[i].filt_replay_rules;
if (!sw->recp_list[i].adv_rule)
status = ice_replay_vsi_fltr(hw, pi, sw, vsi_handle, i,
head);
if (status != ICE_SUCCESS)
return status;
}
return ICE_SUCCESS;
}
/**
* ice_rm_sw_replay_rule_info - helper function to delete filter replay rules
* @hw: pointer to the HW struct
* @sw: pointer to switch info struct for which function removes filters
*
* Deletes the filter replay rules for given switch
*/
void ice_rm_sw_replay_rule_info(struct ice_hw *hw, struct ice_switch_info *sw)
{
u8 i;
if (!sw)
return;
for (i = 0; i < ICE_MAX_NUM_RECIPES; i++) {
if (!LIST_EMPTY(&sw->recp_list[i].filt_replay_rules)) {
struct LIST_HEAD_TYPE *l_head;
l_head = &sw->recp_list[i].filt_replay_rules;
if (!sw->recp_list[i].adv_rule)
ice_rem_sw_rule_info(hw, l_head);
}
}
}
/**
* ice_rm_all_sw_replay_rule_info - deletes filter replay rules
* @hw: pointer to the HW struct
*
* Deletes the filter replay rules.
*/
void ice_rm_all_sw_replay_rule_info(struct ice_hw *hw)
{
ice_rm_sw_replay_rule_info(hw, hw->switch_info);
}
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