| /* |
| * drivers/net/ethernet/mellanox/mlxsw/spectrum_dpipe.c |
| * Copyright (c) 2017 Mellanox Technologies. All rights reserved. |
| * Copyright (c) 2017 Arkadi Sharshevsky <arakdis@mellanox.com> |
| * |
| * 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 names of the copyright holders nor the names of its |
| * contributors may be used to endorse or promote products derived from |
| * this software without specific prior written permission. |
| * |
| * Alternatively, this software may be distributed under the terms of the |
| * GNU General Public License ("GPL") version 2 as published by the Free |
| * Software Foundation. |
| * |
| * 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 <linux/kernel.h> |
| #include <net/devlink.h> |
| |
| #include "spectrum.h" |
| #include "spectrum_dpipe.h" |
| #include "spectrum_router.h" |
| |
| enum mlxsw_sp_field_metadata_id { |
| MLXSW_SP_DPIPE_FIELD_METADATA_ERIF_PORT, |
| MLXSW_SP_DPIPE_FIELD_METADATA_L3_FORWARD, |
| MLXSW_SP_DPIPE_FIELD_METADATA_L3_DROP, |
| MLXSW_SP_DPIPE_FIELD_METADATA_ADJ_INDEX, |
| MLXSW_SP_DPIPE_FIELD_METADATA_ADJ_SIZE, |
| MLXSW_SP_DPIPE_FIELD_METADATA_ADJ_HASH_INDEX, |
| }; |
| |
| static struct devlink_dpipe_field mlxsw_sp_dpipe_fields_metadata[] = { |
| { |
| .name = "erif_port", |
| .id = MLXSW_SP_DPIPE_FIELD_METADATA_ERIF_PORT, |
| .bitwidth = 32, |
| .mapping_type = DEVLINK_DPIPE_FIELD_MAPPING_TYPE_IFINDEX, |
| }, |
| { |
| .name = "l3_forward", |
| .id = MLXSW_SP_DPIPE_FIELD_METADATA_L3_FORWARD, |
| .bitwidth = 1, |
| }, |
| { |
| .name = "l3_drop", |
| .id = MLXSW_SP_DPIPE_FIELD_METADATA_L3_DROP, |
| .bitwidth = 1, |
| }, |
| { |
| .name = "adj_index", |
| .id = MLXSW_SP_DPIPE_FIELD_METADATA_ADJ_INDEX, |
| .bitwidth = 32, |
| }, |
| { |
| .name = "adj_size", |
| .id = MLXSW_SP_DPIPE_FIELD_METADATA_ADJ_SIZE, |
| .bitwidth = 32, |
| }, |
| { |
| .name = "adj_hash_index", |
| .id = MLXSW_SP_DPIPE_FIELD_METADATA_ADJ_HASH_INDEX, |
| .bitwidth = 32, |
| }, |
| }; |
| |
| enum mlxsw_sp_dpipe_header_id { |
| MLXSW_SP_DPIPE_HEADER_METADATA, |
| }; |
| |
| static struct devlink_dpipe_header mlxsw_sp_dpipe_header_metadata = { |
| .name = "mlxsw_meta", |
| .id = MLXSW_SP_DPIPE_HEADER_METADATA, |
| .fields = mlxsw_sp_dpipe_fields_metadata, |
| .fields_count = ARRAY_SIZE(mlxsw_sp_dpipe_fields_metadata), |
| }; |
| |
| static struct devlink_dpipe_header *mlxsw_dpipe_headers[] = { |
| &mlxsw_sp_dpipe_header_metadata, |
| &devlink_dpipe_header_ethernet, |
| &devlink_dpipe_header_ipv4, |
| &devlink_dpipe_header_ipv6, |
| }; |
| |
| static struct devlink_dpipe_headers mlxsw_sp_dpipe_headers = { |
| .headers = mlxsw_dpipe_headers, |
| .headers_count = ARRAY_SIZE(mlxsw_dpipe_headers), |
| }; |
| |
| static int mlxsw_sp_dpipe_table_erif_actions_dump(void *priv, |
| struct sk_buff *skb) |
| { |
| struct devlink_dpipe_action action = {0}; |
| int err; |
| |
| action.type = DEVLINK_DPIPE_ACTION_TYPE_FIELD_MODIFY; |
| action.header = &mlxsw_sp_dpipe_header_metadata; |
| action.field_id = MLXSW_SP_DPIPE_FIELD_METADATA_L3_FORWARD; |
| |
| err = devlink_dpipe_action_put(skb, &action); |
| if (err) |
| return err; |
| |
| action.type = DEVLINK_DPIPE_ACTION_TYPE_FIELD_MODIFY; |
| action.header = &mlxsw_sp_dpipe_header_metadata; |
| action.field_id = MLXSW_SP_DPIPE_FIELD_METADATA_L3_DROP; |
| |
| return devlink_dpipe_action_put(skb, &action); |
| } |
| |
| static int mlxsw_sp_dpipe_table_erif_matches_dump(void *priv, |
| struct sk_buff *skb) |
| { |
| struct devlink_dpipe_match match = {0}; |
| |
| match.type = DEVLINK_DPIPE_MATCH_TYPE_FIELD_EXACT; |
| match.header = &mlxsw_sp_dpipe_header_metadata; |
| match.field_id = MLXSW_SP_DPIPE_FIELD_METADATA_ERIF_PORT; |
| |
| return devlink_dpipe_match_put(skb, &match); |
| } |
| |
| static void |
| mlxsw_sp_erif_match_action_prepare(struct devlink_dpipe_match *match, |
| struct devlink_dpipe_action *action) |
| { |
| action->type = DEVLINK_DPIPE_ACTION_TYPE_FIELD_MODIFY; |
| action->header = &mlxsw_sp_dpipe_header_metadata; |
| action->field_id = MLXSW_SP_DPIPE_FIELD_METADATA_L3_FORWARD; |
| |
| match->type = DEVLINK_DPIPE_MATCH_TYPE_FIELD_EXACT; |
| match->header = &mlxsw_sp_dpipe_header_metadata; |
| match->field_id = MLXSW_SP_DPIPE_FIELD_METADATA_ERIF_PORT; |
| } |
| |
| static int mlxsw_sp_erif_entry_prepare(struct devlink_dpipe_entry *entry, |
| struct devlink_dpipe_value *match_value, |
| struct devlink_dpipe_match *match, |
| struct devlink_dpipe_value *action_value, |
| struct devlink_dpipe_action *action) |
| { |
| entry->match_values = match_value; |
| entry->match_values_count = 1; |
| |
| entry->action_values = action_value; |
| entry->action_values_count = 1; |
| |
| match_value->match = match; |
| match_value->value_size = sizeof(u32); |
| match_value->value = kmalloc(match_value->value_size, GFP_KERNEL); |
| if (!match_value->value) |
| return -ENOMEM; |
| |
| action_value->action = action; |
| action_value->value_size = sizeof(u32); |
| action_value->value = kmalloc(action_value->value_size, GFP_KERNEL); |
| if (!action_value->value) |
| goto err_action_alloc; |
| return 0; |
| |
| err_action_alloc: |
| kfree(match_value->value); |
| return -ENOMEM; |
| } |
| |
| static int mlxsw_sp_erif_entry_get(struct mlxsw_sp *mlxsw_sp, |
| struct devlink_dpipe_entry *entry, |
| struct mlxsw_sp_rif *rif, |
| bool counters_enabled) |
| { |
| u32 *action_value; |
| u32 *rif_value; |
| u64 cnt; |
| int err; |
| |
| /* Set Match RIF index */ |
| rif_value = entry->match_values->value; |
| *rif_value = mlxsw_sp_rif_index(rif); |
| entry->match_values->mapping_value = mlxsw_sp_rif_dev_ifindex(rif); |
| entry->match_values->mapping_valid = true; |
| |
| /* Set Action Forwarding */ |
| action_value = entry->action_values->value; |
| *action_value = 1; |
| |
| entry->counter_valid = false; |
| entry->counter = 0; |
| entry->index = mlxsw_sp_rif_index(rif); |
| |
| if (!counters_enabled) |
| return 0; |
| |
| err = mlxsw_sp_rif_counter_value_get(mlxsw_sp, rif, |
| MLXSW_SP_RIF_COUNTER_EGRESS, |
| &cnt); |
| if (!err) { |
| entry->counter = cnt; |
| entry->counter_valid = true; |
| } |
| return 0; |
| } |
| |
| static int |
| mlxsw_sp_dpipe_table_erif_entries_dump(void *priv, bool counters_enabled, |
| struct devlink_dpipe_dump_ctx *dump_ctx) |
| { |
| struct devlink_dpipe_value match_value, action_value; |
| struct devlink_dpipe_action action = {0}; |
| struct devlink_dpipe_match match = {0}; |
| struct devlink_dpipe_entry entry = {0}; |
| struct mlxsw_sp *mlxsw_sp = priv; |
| unsigned int rif_count; |
| int i, j; |
| int err; |
| |
| memset(&match_value, 0, sizeof(match_value)); |
| memset(&action_value, 0, sizeof(action_value)); |
| |
| mlxsw_sp_erif_match_action_prepare(&match, &action); |
| err = mlxsw_sp_erif_entry_prepare(&entry, &match_value, &match, |
| &action_value, &action); |
| if (err) |
| return err; |
| |
| rif_count = MLXSW_CORE_RES_GET(mlxsw_sp->core, MAX_RIFS); |
| rtnl_lock(); |
| i = 0; |
| start_again: |
| err = devlink_dpipe_entry_ctx_prepare(dump_ctx); |
| if (err) |
| return err; |
| j = 0; |
| for (; i < rif_count; i++) { |
| struct mlxsw_sp_rif *rif = mlxsw_sp_rif_by_index(mlxsw_sp, i); |
| |
| if (!rif) |
| continue; |
| err = mlxsw_sp_erif_entry_get(mlxsw_sp, &entry, rif, |
| counters_enabled); |
| if (err) |
| goto err_entry_get; |
| err = devlink_dpipe_entry_ctx_append(dump_ctx, &entry); |
| if (err) { |
| if (err == -EMSGSIZE) { |
| if (!j) |
| goto err_entry_append; |
| break; |
| } |
| goto err_entry_append; |
| } |
| j++; |
| } |
| |
| devlink_dpipe_entry_ctx_close(dump_ctx); |
| if (i != rif_count) |
| goto start_again; |
| rtnl_unlock(); |
| |
| devlink_dpipe_entry_clear(&entry); |
| return 0; |
| err_entry_append: |
| err_entry_get: |
| rtnl_unlock(); |
| devlink_dpipe_entry_clear(&entry); |
| return err; |
| } |
| |
| static int mlxsw_sp_dpipe_table_erif_counters_update(void *priv, bool enable) |
| { |
| struct mlxsw_sp *mlxsw_sp = priv; |
| int i; |
| |
| rtnl_lock(); |
| for (i = 0; i < MLXSW_CORE_RES_GET(mlxsw_sp->core, MAX_RIFS); i++) { |
| struct mlxsw_sp_rif *rif = mlxsw_sp_rif_by_index(mlxsw_sp, i); |
| |
| if (!rif) |
| continue; |
| if (enable) |
| mlxsw_sp_rif_counter_alloc(mlxsw_sp, rif, |
| MLXSW_SP_RIF_COUNTER_EGRESS); |
| else |
| mlxsw_sp_rif_counter_free(mlxsw_sp, rif, |
| MLXSW_SP_RIF_COUNTER_EGRESS); |
| } |
| rtnl_unlock(); |
| return 0; |
| } |
| |
| static u64 mlxsw_sp_dpipe_table_erif_size_get(void *priv) |
| { |
| struct mlxsw_sp *mlxsw_sp = priv; |
| |
| return MLXSW_CORE_RES_GET(mlxsw_sp->core, MAX_RIFS); |
| } |
| |
| static struct devlink_dpipe_table_ops mlxsw_sp_erif_ops = { |
| .matches_dump = mlxsw_sp_dpipe_table_erif_matches_dump, |
| .actions_dump = mlxsw_sp_dpipe_table_erif_actions_dump, |
| .entries_dump = mlxsw_sp_dpipe_table_erif_entries_dump, |
| .counters_set_update = mlxsw_sp_dpipe_table_erif_counters_update, |
| .size_get = mlxsw_sp_dpipe_table_erif_size_get, |
| }; |
| |
| static int mlxsw_sp_dpipe_erif_table_init(struct mlxsw_sp *mlxsw_sp) |
| { |
| struct devlink *devlink = priv_to_devlink(mlxsw_sp->core); |
| |
| return devlink_dpipe_table_register(devlink, |
| MLXSW_SP_DPIPE_TABLE_NAME_ERIF, |
| &mlxsw_sp_erif_ops, |
| mlxsw_sp, false); |
| } |
| |
| static void mlxsw_sp_dpipe_erif_table_fini(struct mlxsw_sp *mlxsw_sp) |
| { |
| struct devlink *devlink = priv_to_devlink(mlxsw_sp->core); |
| |
| devlink_dpipe_table_unregister(devlink, MLXSW_SP_DPIPE_TABLE_NAME_ERIF); |
| } |
| |
| static int mlxsw_sp_dpipe_table_host_matches_dump(struct sk_buff *skb, int type) |
| { |
| struct devlink_dpipe_match match = {0}; |
| int err; |
| |
| match.type = DEVLINK_DPIPE_MATCH_TYPE_FIELD_EXACT; |
| match.header = &mlxsw_sp_dpipe_header_metadata; |
| match.field_id = MLXSW_SP_DPIPE_FIELD_METADATA_ERIF_PORT; |
| |
| err = devlink_dpipe_match_put(skb, &match); |
| if (err) |
| return err; |
| |
| switch (type) { |
| case AF_INET: |
| match.type = DEVLINK_DPIPE_MATCH_TYPE_FIELD_EXACT; |
| match.header = &devlink_dpipe_header_ipv4; |
| match.field_id = DEVLINK_DPIPE_FIELD_IPV4_DST_IP; |
| break; |
| case AF_INET6: |
| match.type = DEVLINK_DPIPE_MATCH_TYPE_FIELD_EXACT; |
| match.header = &devlink_dpipe_header_ipv6; |
| match.field_id = DEVLINK_DPIPE_FIELD_IPV6_DST_IP; |
| break; |
| default: |
| WARN_ON(1); |
| return -EINVAL; |
| } |
| |
| return devlink_dpipe_match_put(skb, &match); |
| } |
| |
| static int |
| mlxsw_sp_dpipe_table_host4_matches_dump(void *priv, struct sk_buff *skb) |
| { |
| return mlxsw_sp_dpipe_table_host_matches_dump(skb, AF_INET); |
| } |
| |
| static int |
| mlxsw_sp_dpipe_table_host_actions_dump(void *priv, struct sk_buff *skb) |
| { |
| struct devlink_dpipe_action action = {0}; |
| |
| action.type = DEVLINK_DPIPE_ACTION_TYPE_FIELD_MODIFY; |
| action.header = &devlink_dpipe_header_ethernet; |
| action.field_id = DEVLINK_DPIPE_FIELD_ETHERNET_DST_MAC; |
| |
| return devlink_dpipe_action_put(skb, &action); |
| } |
| |
| enum mlxsw_sp_dpipe_table_host_match { |
| MLXSW_SP_DPIPE_TABLE_HOST_MATCH_RIF, |
| MLXSW_SP_DPIPE_TABLE_HOST_MATCH_DIP, |
| MLXSW_SP_DPIPE_TABLE_HOST_MATCH_COUNT, |
| }; |
| |
| static void |
| mlxsw_sp_dpipe_table_host_match_action_prepare(struct devlink_dpipe_match *matches, |
| struct devlink_dpipe_action *action, |
| int type) |
| { |
| struct devlink_dpipe_match *match; |
| |
| match = &matches[MLXSW_SP_DPIPE_TABLE_HOST_MATCH_RIF]; |
| match->type = DEVLINK_DPIPE_MATCH_TYPE_FIELD_EXACT; |
| match->header = &mlxsw_sp_dpipe_header_metadata; |
| match->field_id = MLXSW_SP_DPIPE_FIELD_METADATA_ERIF_PORT; |
| |
| match = &matches[MLXSW_SP_DPIPE_TABLE_HOST_MATCH_DIP]; |
| match->type = DEVLINK_DPIPE_MATCH_TYPE_FIELD_EXACT; |
| switch (type) { |
| case AF_INET: |
| match->header = &devlink_dpipe_header_ipv4; |
| match->field_id = DEVLINK_DPIPE_FIELD_IPV4_DST_IP; |
| break; |
| case AF_INET6: |
| match->header = &devlink_dpipe_header_ipv6; |
| match->field_id = DEVLINK_DPIPE_FIELD_IPV6_DST_IP; |
| break; |
| default: |
| WARN_ON(1); |
| return; |
| } |
| |
| action->type = DEVLINK_DPIPE_ACTION_TYPE_FIELD_MODIFY; |
| action->header = &devlink_dpipe_header_ethernet; |
| action->field_id = DEVLINK_DPIPE_FIELD_ETHERNET_DST_MAC; |
| } |
| |
| static int |
| mlxsw_sp_dpipe_table_host_entry_prepare(struct devlink_dpipe_entry *entry, |
| struct devlink_dpipe_value *match_values, |
| struct devlink_dpipe_match *matches, |
| struct devlink_dpipe_value *action_value, |
| struct devlink_dpipe_action *action, |
| int type) |
| { |
| struct devlink_dpipe_value *match_value; |
| struct devlink_dpipe_match *match; |
| |
| entry->match_values = match_values; |
| entry->match_values_count = MLXSW_SP_DPIPE_TABLE_HOST_MATCH_COUNT; |
| |
| entry->action_values = action_value; |
| entry->action_values_count = 1; |
| |
| match = &matches[MLXSW_SP_DPIPE_TABLE_HOST_MATCH_RIF]; |
| match_value = &match_values[MLXSW_SP_DPIPE_TABLE_HOST_MATCH_RIF]; |
| |
| match_value->match = match; |
| match_value->value_size = sizeof(u32); |
| match_value->value = kmalloc(match_value->value_size, GFP_KERNEL); |
| if (!match_value->value) |
| return -ENOMEM; |
| |
| match = &matches[MLXSW_SP_DPIPE_TABLE_HOST_MATCH_DIP]; |
| match_value = &match_values[MLXSW_SP_DPIPE_TABLE_HOST_MATCH_DIP]; |
| |
| match_value->match = match; |
| switch (type) { |
| case AF_INET: |
| match_value->value_size = sizeof(u32); |
| break; |
| case AF_INET6: |
| match_value->value_size = sizeof(struct in6_addr); |
| break; |
| default: |
| WARN_ON(1); |
| return -EINVAL; |
| } |
| |
| match_value->value = kmalloc(match_value->value_size, GFP_KERNEL); |
| if (!match_value->value) |
| return -ENOMEM; |
| |
| action_value->action = action; |
| action_value->value_size = sizeof(u64); |
| action_value->value = kmalloc(action_value->value_size, GFP_KERNEL); |
| if (!action_value->value) |
| return -ENOMEM; |
| |
| return 0; |
| } |
| |
| static void |
| __mlxsw_sp_dpipe_table_host_entry_fill(struct devlink_dpipe_entry *entry, |
| struct mlxsw_sp_rif *rif, |
| unsigned char *ha, void *dip) |
| { |
| struct devlink_dpipe_value *value; |
| u32 *rif_value; |
| u8 *ha_value; |
| |
| /* Set Match RIF index */ |
| value = &entry->match_values[MLXSW_SP_DPIPE_TABLE_HOST_MATCH_RIF]; |
| |
| rif_value = value->value; |
| *rif_value = mlxsw_sp_rif_index(rif); |
| value->mapping_value = mlxsw_sp_rif_dev_ifindex(rif); |
| value->mapping_valid = true; |
| |
| /* Set Match DIP */ |
| value = &entry->match_values[MLXSW_SP_DPIPE_TABLE_HOST_MATCH_DIP]; |
| memcpy(value->value, dip, value->value_size); |
| |
| /* Set Action DMAC */ |
| value = entry->action_values; |
| ha_value = value->value; |
| ether_addr_copy(ha_value, ha); |
| } |
| |
| static void |
| mlxsw_sp_dpipe_table_host4_entry_fill(struct devlink_dpipe_entry *entry, |
| struct mlxsw_sp_neigh_entry *neigh_entry, |
| struct mlxsw_sp_rif *rif) |
| { |
| unsigned char *ha; |
| u32 dip; |
| |
| ha = mlxsw_sp_neigh_entry_ha(neigh_entry); |
| dip = mlxsw_sp_neigh4_entry_dip(neigh_entry); |
| __mlxsw_sp_dpipe_table_host_entry_fill(entry, rif, ha, &dip); |
| } |
| |
| static void |
| mlxsw_sp_dpipe_table_host6_entry_fill(struct devlink_dpipe_entry *entry, |
| struct mlxsw_sp_neigh_entry *neigh_entry, |
| struct mlxsw_sp_rif *rif) |
| { |
| struct in6_addr *dip; |
| unsigned char *ha; |
| |
| ha = mlxsw_sp_neigh_entry_ha(neigh_entry); |
| dip = mlxsw_sp_neigh6_entry_dip(neigh_entry); |
| |
| __mlxsw_sp_dpipe_table_host_entry_fill(entry, rif, ha, dip); |
| } |
| |
| static void |
| mlxsw_sp_dpipe_table_host_entry_fill(struct mlxsw_sp *mlxsw_sp, |
| struct devlink_dpipe_entry *entry, |
| struct mlxsw_sp_neigh_entry *neigh_entry, |
| struct mlxsw_sp_rif *rif, |
| int type) |
| { |
| int err; |
| |
| switch (type) { |
| case AF_INET: |
| mlxsw_sp_dpipe_table_host4_entry_fill(entry, neigh_entry, rif); |
| break; |
| case AF_INET6: |
| mlxsw_sp_dpipe_table_host6_entry_fill(entry, neigh_entry, rif); |
| break; |
| default: |
| WARN_ON(1); |
| return; |
| } |
| |
| err = mlxsw_sp_neigh_counter_get(mlxsw_sp, neigh_entry, |
| &entry->counter); |
| if (!err) |
| entry->counter_valid = true; |
| } |
| |
| static int |
| mlxsw_sp_dpipe_table_host_entries_get(struct mlxsw_sp *mlxsw_sp, |
| struct devlink_dpipe_entry *entry, |
| bool counters_enabled, |
| struct devlink_dpipe_dump_ctx *dump_ctx, |
| int type) |
| { |
| int rif_neigh_count = 0; |
| int rif_neigh_skip = 0; |
| int neigh_count = 0; |
| int rif_count; |
| int i, j; |
| int err; |
| |
| rtnl_lock(); |
| i = 0; |
| rif_count = MLXSW_CORE_RES_GET(mlxsw_sp->core, MAX_RIFS); |
| start_again: |
| err = devlink_dpipe_entry_ctx_prepare(dump_ctx); |
| if (err) |
| goto err_ctx_prepare; |
| j = 0; |
| rif_neigh_skip = rif_neigh_count; |
| for (; i < MLXSW_CORE_RES_GET(mlxsw_sp->core, MAX_RIFS); i++) { |
| struct mlxsw_sp_rif *rif = mlxsw_sp_rif_by_index(mlxsw_sp, i); |
| struct mlxsw_sp_neigh_entry *neigh_entry; |
| |
| if (!rif) |
| continue; |
| |
| rif_neigh_count = 0; |
| mlxsw_sp_rif_neigh_for_each(neigh_entry, rif) { |
| int neigh_type = mlxsw_sp_neigh_entry_type(neigh_entry); |
| |
| if (neigh_type != type) |
| continue; |
| |
| if (neigh_type == AF_INET6 && |
| mlxsw_sp_neigh_ipv6_ignore(neigh_entry)) |
| continue; |
| |
| if (rif_neigh_count < rif_neigh_skip) |
| goto skip; |
| |
| mlxsw_sp_dpipe_table_host_entry_fill(mlxsw_sp, entry, |
| neigh_entry, rif, |
| type); |
| entry->index = neigh_count; |
| err = devlink_dpipe_entry_ctx_append(dump_ctx, entry); |
| if (err) { |
| if (err == -EMSGSIZE) { |
| if (!j) |
| goto err_entry_append; |
| else |
| goto out; |
| } |
| goto err_entry_append; |
| } |
| neigh_count++; |
| j++; |
| skip: |
| rif_neigh_count++; |
| } |
| rif_neigh_skip = 0; |
| } |
| out: |
| devlink_dpipe_entry_ctx_close(dump_ctx); |
| if (i != rif_count) |
| goto start_again; |
| |
| rtnl_unlock(); |
| return 0; |
| |
| err_ctx_prepare: |
| err_entry_append: |
| rtnl_unlock(); |
| return err; |
| } |
| |
| static int |
| mlxsw_sp_dpipe_table_host_entries_dump(struct mlxsw_sp *mlxsw_sp, |
| bool counters_enabled, |
| struct devlink_dpipe_dump_ctx *dump_ctx, |
| int type) |
| { |
| struct devlink_dpipe_value match_values[MLXSW_SP_DPIPE_TABLE_HOST_MATCH_COUNT]; |
| struct devlink_dpipe_match matches[MLXSW_SP_DPIPE_TABLE_HOST_MATCH_COUNT]; |
| struct devlink_dpipe_value action_value; |
| struct devlink_dpipe_action action = {0}; |
| struct devlink_dpipe_entry entry = {0}; |
| int err; |
| |
| memset(matches, 0, MLXSW_SP_DPIPE_TABLE_HOST_MATCH_COUNT * |
| sizeof(matches[0])); |
| memset(match_values, 0, MLXSW_SP_DPIPE_TABLE_HOST_MATCH_COUNT * |
| sizeof(match_values[0])); |
| memset(&action_value, 0, sizeof(action_value)); |
| |
| mlxsw_sp_dpipe_table_host_match_action_prepare(matches, &action, type); |
| err = mlxsw_sp_dpipe_table_host_entry_prepare(&entry, match_values, |
| matches, &action_value, |
| &action, type); |
| if (err) |
| goto out; |
| |
| err = mlxsw_sp_dpipe_table_host_entries_get(mlxsw_sp, &entry, |
| counters_enabled, dump_ctx, |
| type); |
| out: |
| devlink_dpipe_entry_clear(&entry); |
| return err; |
| } |
| |
| static int |
| mlxsw_sp_dpipe_table_host4_entries_dump(void *priv, bool counters_enabled, |
| struct devlink_dpipe_dump_ctx *dump_ctx) |
| { |
| struct mlxsw_sp *mlxsw_sp = priv; |
| |
| return mlxsw_sp_dpipe_table_host_entries_dump(mlxsw_sp, |
| counters_enabled, |
| dump_ctx, AF_INET); |
| } |
| |
| static void |
| mlxsw_sp_dpipe_table_host_counters_update(struct mlxsw_sp *mlxsw_sp, |
| bool enable, int type) |
| { |
| int i; |
| |
| rtnl_lock(); |
| for (i = 0; i < MLXSW_CORE_RES_GET(mlxsw_sp->core, MAX_RIFS); i++) { |
| struct mlxsw_sp_rif *rif = mlxsw_sp_rif_by_index(mlxsw_sp, i); |
| struct mlxsw_sp_neigh_entry *neigh_entry; |
| |
| if (!rif) |
| continue; |
| mlxsw_sp_rif_neigh_for_each(neigh_entry, rif) { |
| int neigh_type = mlxsw_sp_neigh_entry_type(neigh_entry); |
| |
| if (neigh_type != type) |
| continue; |
| |
| if (neigh_type == AF_INET6 && |
| mlxsw_sp_neigh_ipv6_ignore(neigh_entry)) |
| continue; |
| |
| mlxsw_sp_neigh_entry_counter_update(mlxsw_sp, |
| neigh_entry, |
| enable); |
| } |
| } |
| rtnl_unlock(); |
| } |
| |
| static int mlxsw_sp_dpipe_table_host4_counters_update(void *priv, bool enable) |
| { |
| struct mlxsw_sp *mlxsw_sp = priv; |
| |
| mlxsw_sp_dpipe_table_host_counters_update(mlxsw_sp, enable, AF_INET); |
| return 0; |
| } |
| |
| static u64 |
| mlxsw_sp_dpipe_table_host_size_get(struct mlxsw_sp *mlxsw_sp, int type) |
| { |
| u64 size = 0; |
| int i; |
| |
| rtnl_lock(); |
| for (i = 0; i < MLXSW_CORE_RES_GET(mlxsw_sp->core, MAX_RIFS); i++) { |
| struct mlxsw_sp_rif *rif = mlxsw_sp_rif_by_index(mlxsw_sp, i); |
| struct mlxsw_sp_neigh_entry *neigh_entry; |
| |
| if (!rif) |
| continue; |
| mlxsw_sp_rif_neigh_for_each(neigh_entry, rif) { |
| int neigh_type = mlxsw_sp_neigh_entry_type(neigh_entry); |
| |
| if (neigh_type != type) |
| continue; |
| |
| if (neigh_type == AF_INET6 && |
| mlxsw_sp_neigh_ipv6_ignore(neigh_entry)) |
| continue; |
| |
| size++; |
| } |
| } |
| rtnl_unlock(); |
| |
| return size; |
| } |
| |
| static u64 mlxsw_sp_dpipe_table_host4_size_get(void *priv) |
| { |
| struct mlxsw_sp *mlxsw_sp = priv; |
| |
| return mlxsw_sp_dpipe_table_host_size_get(mlxsw_sp, AF_INET); |
| } |
| |
| static struct devlink_dpipe_table_ops mlxsw_sp_host4_ops = { |
| .matches_dump = mlxsw_sp_dpipe_table_host4_matches_dump, |
| .actions_dump = mlxsw_sp_dpipe_table_host_actions_dump, |
| .entries_dump = mlxsw_sp_dpipe_table_host4_entries_dump, |
| .counters_set_update = mlxsw_sp_dpipe_table_host4_counters_update, |
| .size_get = mlxsw_sp_dpipe_table_host4_size_get, |
| }; |
| |
| #define MLXSW_SP_DPIPE_TABLE_RESOURCE_UNIT_HOST4 1 |
| |
| static int mlxsw_sp_dpipe_host4_table_init(struct mlxsw_sp *mlxsw_sp) |
| { |
| struct devlink *devlink = priv_to_devlink(mlxsw_sp->core); |
| int err; |
| |
| err = devlink_dpipe_table_register(devlink, |
| MLXSW_SP_DPIPE_TABLE_NAME_HOST4, |
| &mlxsw_sp_host4_ops, |
| mlxsw_sp, false); |
| if (err) |
| return err; |
| |
| err = devlink_dpipe_table_resource_set(devlink, |
| MLXSW_SP_DPIPE_TABLE_NAME_HOST4, |
| MLXSW_SP_RESOURCE_KVD_HASH_SINGLE, |
| MLXSW_SP_DPIPE_TABLE_RESOURCE_UNIT_HOST4); |
| if (err) |
| goto err_resource_set; |
| |
| return 0; |
| |
| err_resource_set: |
| devlink_dpipe_table_unregister(devlink, |
| MLXSW_SP_DPIPE_TABLE_NAME_HOST4); |
| return err; |
| } |
| |
| static void mlxsw_sp_dpipe_host4_table_fini(struct mlxsw_sp *mlxsw_sp) |
| { |
| struct devlink *devlink = priv_to_devlink(mlxsw_sp->core); |
| |
| devlink_dpipe_table_unregister(devlink, |
| MLXSW_SP_DPIPE_TABLE_NAME_HOST4); |
| } |
| |
| static int |
| mlxsw_sp_dpipe_table_host6_matches_dump(void *priv, struct sk_buff *skb) |
| { |
| return mlxsw_sp_dpipe_table_host_matches_dump(skb, AF_INET6); |
| } |
| |
| static int |
| mlxsw_sp_dpipe_table_host6_entries_dump(void *priv, bool counters_enabled, |
| struct devlink_dpipe_dump_ctx *dump_ctx) |
| { |
| struct mlxsw_sp *mlxsw_sp = priv; |
| |
| return mlxsw_sp_dpipe_table_host_entries_dump(mlxsw_sp, |
| counters_enabled, |
| dump_ctx, AF_INET6); |
| } |
| |
| static int mlxsw_sp_dpipe_table_host6_counters_update(void *priv, bool enable) |
| { |
| struct mlxsw_sp *mlxsw_sp = priv; |
| |
| mlxsw_sp_dpipe_table_host_counters_update(mlxsw_sp, enable, AF_INET6); |
| return 0; |
| } |
| |
| static u64 mlxsw_sp_dpipe_table_host6_size_get(void *priv) |
| { |
| struct mlxsw_sp *mlxsw_sp = priv; |
| |
| return mlxsw_sp_dpipe_table_host_size_get(mlxsw_sp, AF_INET6); |
| } |
| |
| static struct devlink_dpipe_table_ops mlxsw_sp_host6_ops = { |
| .matches_dump = mlxsw_sp_dpipe_table_host6_matches_dump, |
| .actions_dump = mlxsw_sp_dpipe_table_host_actions_dump, |
| .entries_dump = mlxsw_sp_dpipe_table_host6_entries_dump, |
| .counters_set_update = mlxsw_sp_dpipe_table_host6_counters_update, |
| .size_get = mlxsw_sp_dpipe_table_host6_size_get, |
| }; |
| |
| #define MLXSW_SP_DPIPE_TABLE_RESOURCE_UNIT_HOST6 2 |
| |
| static int mlxsw_sp_dpipe_host6_table_init(struct mlxsw_sp *mlxsw_sp) |
| { |
| struct devlink *devlink = priv_to_devlink(mlxsw_sp->core); |
| int err; |
| |
| err = devlink_dpipe_table_register(devlink, |
| MLXSW_SP_DPIPE_TABLE_NAME_HOST6, |
| &mlxsw_sp_host6_ops, |
| mlxsw_sp, false); |
| if (err) |
| return err; |
| |
| err = devlink_dpipe_table_resource_set(devlink, |
| MLXSW_SP_DPIPE_TABLE_NAME_HOST6, |
| MLXSW_SP_RESOURCE_KVD_HASH_DOUBLE, |
| MLXSW_SP_DPIPE_TABLE_RESOURCE_UNIT_HOST6); |
| if (err) |
| goto err_resource_set; |
| |
| return 0; |
| |
| err_resource_set: |
| devlink_dpipe_table_unregister(devlink, |
| MLXSW_SP_DPIPE_TABLE_NAME_HOST6); |
| return err; |
| } |
| |
| static void mlxsw_sp_dpipe_host6_table_fini(struct mlxsw_sp *mlxsw_sp) |
| { |
| struct devlink *devlink = priv_to_devlink(mlxsw_sp->core); |
| |
| devlink_dpipe_table_unregister(devlink, |
| MLXSW_SP_DPIPE_TABLE_NAME_HOST6); |
| } |
| |
| static int mlxsw_sp_dpipe_table_adj_matches_dump(void *priv, |
| struct sk_buff *skb) |
| { |
| struct devlink_dpipe_match match = {0}; |
| int err; |
| |
| match.type = DEVLINK_DPIPE_MATCH_TYPE_FIELD_EXACT; |
| match.header = &mlxsw_sp_dpipe_header_metadata; |
| match.field_id = MLXSW_SP_DPIPE_FIELD_METADATA_ADJ_INDEX; |
| |
| err = devlink_dpipe_match_put(skb, &match); |
| if (err) |
| return err; |
| |
| match.type = DEVLINK_DPIPE_MATCH_TYPE_FIELD_EXACT; |
| match.header = &mlxsw_sp_dpipe_header_metadata; |
| match.field_id = MLXSW_SP_DPIPE_FIELD_METADATA_ADJ_SIZE; |
| |
| err = devlink_dpipe_match_put(skb, &match); |
| if (err) |
| return err; |
| |
| match.type = DEVLINK_DPIPE_MATCH_TYPE_FIELD_EXACT; |
| match.header = &mlxsw_sp_dpipe_header_metadata; |
| match.field_id = MLXSW_SP_DPIPE_FIELD_METADATA_ADJ_HASH_INDEX; |
| |
| return devlink_dpipe_match_put(skb, &match); |
| } |
| |
| static int mlxsw_sp_dpipe_table_adj_actions_dump(void *priv, |
| struct sk_buff *skb) |
| { |
| struct devlink_dpipe_action action = {0}; |
| int err; |
| |
| action.type = DEVLINK_DPIPE_ACTION_TYPE_FIELD_MODIFY; |
| action.header = &devlink_dpipe_header_ethernet; |
| action.field_id = DEVLINK_DPIPE_FIELD_ETHERNET_DST_MAC; |
| |
| err = devlink_dpipe_action_put(skb, &action); |
| if (err) |
| return err; |
| |
| action.type = DEVLINK_DPIPE_ACTION_TYPE_FIELD_MODIFY; |
| action.header = &mlxsw_sp_dpipe_header_metadata; |
| action.field_id = MLXSW_SP_DPIPE_FIELD_METADATA_ERIF_PORT; |
| |
| return devlink_dpipe_action_put(skb, &action); |
| } |
| |
| static u64 mlxsw_sp_dpipe_table_adj_size(struct mlxsw_sp *mlxsw_sp) |
| { |
| struct mlxsw_sp_nexthop *nh; |
| u64 size = 0; |
| |
| mlxsw_sp_nexthop_for_each(nh, mlxsw_sp->router) |
| if (mlxsw_sp_nexthop_offload(nh) && |
| !mlxsw_sp_nexthop_group_has_ipip(nh)) |
| size++; |
| return size; |
| } |
| |
| enum mlxsw_sp_dpipe_table_adj_match { |
| MLXSW_SP_DPIPE_TABLE_ADJ_MATCH_INDEX, |
| MLXSW_SP_DPIPE_TABLE_ADJ_MATCH_SIZE, |
| MLXSW_SP_DPIPE_TABLE_ADJ_MATCH_HASH_INDEX, |
| MLXSW_SP_DPIPE_TABLE_ADJ_MATCH_COUNT, |
| }; |
| |
| enum mlxsw_sp_dpipe_table_adj_action { |
| MLXSW_SP_DPIPE_TABLE_ADJ_ACTION_DST_MAC, |
| MLXSW_SP_DPIPE_TABLE_ADJ_ACTION_ERIF_PORT, |
| MLXSW_SP_DPIPE_TABLE_ADJ_ACTION_COUNT, |
| }; |
| |
| static void |
| mlxsw_sp_dpipe_table_adj_match_action_prepare(struct devlink_dpipe_match *matches, |
| struct devlink_dpipe_action *actions) |
| { |
| struct devlink_dpipe_action *action; |
| struct devlink_dpipe_match *match; |
| |
| match = &matches[MLXSW_SP_DPIPE_TABLE_ADJ_MATCH_INDEX]; |
| match->type = DEVLINK_DPIPE_MATCH_TYPE_FIELD_EXACT; |
| match->header = &mlxsw_sp_dpipe_header_metadata; |
| match->field_id = MLXSW_SP_DPIPE_FIELD_METADATA_ADJ_INDEX; |
| |
| match = &matches[MLXSW_SP_DPIPE_TABLE_ADJ_MATCH_SIZE]; |
| match->type = DEVLINK_DPIPE_MATCH_TYPE_FIELD_EXACT; |
| match->header = &mlxsw_sp_dpipe_header_metadata; |
| match->field_id = MLXSW_SP_DPIPE_FIELD_METADATA_ADJ_SIZE; |
| |
| match = &matches[MLXSW_SP_DPIPE_TABLE_ADJ_MATCH_HASH_INDEX]; |
| match->type = DEVLINK_DPIPE_MATCH_TYPE_FIELD_EXACT; |
| match->header = &mlxsw_sp_dpipe_header_metadata; |
| match->field_id = MLXSW_SP_DPIPE_FIELD_METADATA_ADJ_HASH_INDEX; |
| |
| action = &actions[MLXSW_SP_DPIPE_TABLE_ADJ_ACTION_DST_MAC]; |
| action->type = DEVLINK_DPIPE_ACTION_TYPE_FIELD_MODIFY; |
| action->header = &devlink_dpipe_header_ethernet; |
| action->field_id = DEVLINK_DPIPE_FIELD_ETHERNET_DST_MAC; |
| |
| action = &actions[MLXSW_SP_DPIPE_TABLE_ADJ_ACTION_ERIF_PORT]; |
| action->type = DEVLINK_DPIPE_ACTION_TYPE_FIELD_MODIFY; |
| action->header = &mlxsw_sp_dpipe_header_metadata; |
| action->field_id = MLXSW_SP_DPIPE_FIELD_METADATA_ERIF_PORT; |
| } |
| |
| static int |
| mlxsw_sp_dpipe_table_adj_entry_prepare(struct devlink_dpipe_entry *entry, |
| struct devlink_dpipe_value *match_values, |
| struct devlink_dpipe_match *matches, |
| struct devlink_dpipe_value *action_values, |
| struct devlink_dpipe_action *actions) |
| { struct devlink_dpipe_value *action_value; |
| struct devlink_dpipe_value *match_value; |
| struct devlink_dpipe_action *action; |
| struct devlink_dpipe_match *match; |
| |
| entry->match_values = match_values; |
| entry->match_values_count = MLXSW_SP_DPIPE_TABLE_ADJ_MATCH_COUNT; |
| |
| entry->action_values = action_values; |
| entry->action_values_count = MLXSW_SP_DPIPE_TABLE_ADJ_ACTION_COUNT; |
| |
| match = &matches[MLXSW_SP_DPIPE_TABLE_ADJ_MATCH_INDEX]; |
| match_value = &match_values[MLXSW_SP_DPIPE_TABLE_ADJ_MATCH_INDEX]; |
| |
| match_value->match = match; |
| match_value->value_size = sizeof(u32); |
| match_value->value = kmalloc(match_value->value_size, GFP_KERNEL); |
| if (!match_value->value) |
| return -ENOMEM; |
| |
| match = &matches[MLXSW_SP_DPIPE_TABLE_ADJ_MATCH_SIZE]; |
| match_value = &match_values[MLXSW_SP_DPIPE_TABLE_ADJ_MATCH_SIZE]; |
| |
| match_value->match = match; |
| match_value->value_size = sizeof(u32); |
| match_value->value = kmalloc(match_value->value_size, GFP_KERNEL); |
| if (!match_value->value) |
| return -ENOMEM; |
| |
| match = &matches[MLXSW_SP_DPIPE_TABLE_ADJ_MATCH_HASH_INDEX]; |
| match_value = &match_values[MLXSW_SP_DPIPE_TABLE_ADJ_MATCH_HASH_INDEX]; |
| |
| match_value->match = match; |
| match_value->value_size = sizeof(u32); |
| match_value->value = kmalloc(match_value->value_size, GFP_KERNEL); |
| if (!match_value->value) |
| return -ENOMEM; |
| |
| action = &actions[MLXSW_SP_DPIPE_TABLE_ADJ_ACTION_DST_MAC]; |
| action_value = &action_values[MLXSW_SP_DPIPE_TABLE_ADJ_ACTION_DST_MAC]; |
| |
| action_value->action = action; |
| action_value->value_size = sizeof(u64); |
| action_value->value = kmalloc(action_value->value_size, GFP_KERNEL); |
| if (!action_value->value) |
| return -ENOMEM; |
| |
| action = &actions[MLXSW_SP_DPIPE_TABLE_ADJ_ACTION_ERIF_PORT]; |
| action_value = &action_values[MLXSW_SP_DPIPE_TABLE_ADJ_ACTION_ERIF_PORT]; |
| |
| action_value->action = action; |
| action_value->value_size = sizeof(u32); |
| action_value->value = kmalloc(action_value->value_size, GFP_KERNEL); |
| if (!action_value->value) |
| return -ENOMEM; |
| |
| return 0; |
| } |
| |
| static void |
| __mlxsw_sp_dpipe_table_adj_entry_fill(struct devlink_dpipe_entry *entry, |
| u32 adj_index, u32 adj_size, |
| u32 adj_hash_index, unsigned char *ha, |
| struct mlxsw_sp_rif *rif) |
| { |
| struct devlink_dpipe_value *value; |
| u32 *p_rif_value; |
| u32 *p_index; |
| |
| value = &entry->match_values[MLXSW_SP_DPIPE_TABLE_ADJ_MATCH_INDEX]; |
| p_index = value->value; |
| *p_index = adj_index; |
| |
| value = &entry->match_values[MLXSW_SP_DPIPE_TABLE_ADJ_MATCH_SIZE]; |
| p_index = value->value; |
| *p_index = adj_size; |
| |
| value = &entry->match_values[MLXSW_SP_DPIPE_TABLE_ADJ_MATCH_HASH_INDEX]; |
| p_index = value->value; |
| *p_index = adj_hash_index; |
| |
| value = &entry->action_values[MLXSW_SP_DPIPE_TABLE_ADJ_ACTION_DST_MAC]; |
| ether_addr_copy(value->value, ha); |
| |
| value = &entry->action_values[MLXSW_SP_DPIPE_TABLE_ADJ_ACTION_ERIF_PORT]; |
| p_rif_value = value->value; |
| *p_rif_value = mlxsw_sp_rif_index(rif); |
| value->mapping_value = mlxsw_sp_rif_dev_ifindex(rif); |
| value->mapping_valid = true; |
| } |
| |
| static void mlxsw_sp_dpipe_table_adj_entry_fill(struct mlxsw_sp *mlxsw_sp, |
| struct mlxsw_sp_nexthop *nh, |
| struct devlink_dpipe_entry *entry) |
| { |
| struct mlxsw_sp_rif *rif = mlxsw_sp_nexthop_rif(nh); |
| unsigned char *ha = mlxsw_sp_nexthop_ha(nh); |
| u32 adj_hash_index = 0; |
| u32 adj_index = 0; |
| u32 adj_size = 0; |
| int err; |
| |
| mlxsw_sp_nexthop_indexes(nh, &adj_index, &adj_size, &adj_hash_index); |
| __mlxsw_sp_dpipe_table_adj_entry_fill(entry, adj_index, adj_size, |
| adj_hash_index, ha, rif); |
| err = mlxsw_sp_nexthop_counter_get(mlxsw_sp, nh, &entry->counter); |
| if (!err) |
| entry->counter_valid = true; |
| } |
| |
| static int |
| mlxsw_sp_dpipe_table_adj_entries_get(struct mlxsw_sp *mlxsw_sp, |
| struct devlink_dpipe_entry *entry, |
| bool counters_enabled, |
| struct devlink_dpipe_dump_ctx *dump_ctx) |
| { |
| struct mlxsw_sp_nexthop *nh; |
| int entry_index = 0; |
| int nh_count_max; |
| int nh_count = 0; |
| int nh_skip; |
| int j; |
| int err; |
| |
| rtnl_lock(); |
| nh_count_max = mlxsw_sp_dpipe_table_adj_size(mlxsw_sp); |
| start_again: |
| err = devlink_dpipe_entry_ctx_prepare(dump_ctx); |
| if (err) |
| goto err_ctx_prepare; |
| j = 0; |
| nh_skip = nh_count; |
| nh_count = 0; |
| mlxsw_sp_nexthop_for_each(nh, mlxsw_sp->router) { |
| if (!mlxsw_sp_nexthop_offload(nh) || |
| mlxsw_sp_nexthop_group_has_ipip(nh)) |
| continue; |
| |
| if (nh_count < nh_skip) |
| goto skip; |
| |
| mlxsw_sp_dpipe_table_adj_entry_fill(mlxsw_sp, nh, entry); |
| entry->index = entry_index; |
| err = devlink_dpipe_entry_ctx_append(dump_ctx, entry); |
| if (err) { |
| if (err == -EMSGSIZE) { |
| if (!j) |
| goto err_entry_append; |
| break; |
| } |
| goto err_entry_append; |
| } |
| entry_index++; |
| j++; |
| skip: |
| nh_count++; |
| } |
| |
| devlink_dpipe_entry_ctx_close(dump_ctx); |
| if (nh_count != nh_count_max) |
| goto start_again; |
| rtnl_unlock(); |
| |
| return 0; |
| |
| err_ctx_prepare: |
| err_entry_append: |
| rtnl_unlock(); |
| return err; |
| } |
| |
| static int |
| mlxsw_sp_dpipe_table_adj_entries_dump(void *priv, bool counters_enabled, |
| struct devlink_dpipe_dump_ctx *dump_ctx) |
| { |
| struct devlink_dpipe_value action_values[MLXSW_SP_DPIPE_TABLE_ADJ_ACTION_COUNT]; |
| struct devlink_dpipe_value match_values[MLXSW_SP_DPIPE_TABLE_ADJ_MATCH_COUNT]; |
| struct devlink_dpipe_action actions[MLXSW_SP_DPIPE_TABLE_ADJ_ACTION_COUNT]; |
| struct devlink_dpipe_match matches[MLXSW_SP_DPIPE_TABLE_ADJ_MATCH_COUNT]; |
| struct devlink_dpipe_entry entry = {0}; |
| struct mlxsw_sp *mlxsw_sp = priv; |
| int err; |
| |
| memset(matches, 0, MLXSW_SP_DPIPE_TABLE_ADJ_MATCH_COUNT * |
| sizeof(matches[0])); |
| memset(match_values, 0, MLXSW_SP_DPIPE_TABLE_ADJ_MATCH_COUNT * |
| sizeof(match_values[0])); |
| memset(actions, 0, MLXSW_SP_DPIPE_TABLE_ADJ_ACTION_COUNT * |
| sizeof(actions[0])); |
| memset(action_values, 0, MLXSW_SP_DPIPE_TABLE_ADJ_ACTION_COUNT * |
| sizeof(action_values[0])); |
| |
| mlxsw_sp_dpipe_table_adj_match_action_prepare(matches, actions); |
| err = mlxsw_sp_dpipe_table_adj_entry_prepare(&entry, |
| match_values, matches, |
| action_values, actions); |
| if (err) |
| goto out; |
| |
| err = mlxsw_sp_dpipe_table_adj_entries_get(mlxsw_sp, &entry, |
| counters_enabled, dump_ctx); |
| out: |
| devlink_dpipe_entry_clear(&entry); |
| return err; |
| } |
| |
| static int mlxsw_sp_dpipe_table_adj_counters_update(void *priv, bool enable) |
| { |
| struct mlxsw_sp *mlxsw_sp = priv; |
| struct mlxsw_sp_nexthop *nh; |
| u32 adj_hash_index = 0; |
| u32 adj_index = 0; |
| u32 adj_size = 0; |
| |
| mlxsw_sp_nexthop_for_each(nh, mlxsw_sp->router) { |
| if (!mlxsw_sp_nexthop_offload(nh) || |
| mlxsw_sp_nexthop_group_has_ipip(nh)) |
| continue; |
| |
| mlxsw_sp_nexthop_indexes(nh, &adj_index, &adj_size, |
| &adj_hash_index); |
| if (enable) |
| mlxsw_sp_nexthop_counter_alloc(mlxsw_sp, nh); |
| else |
| mlxsw_sp_nexthop_counter_free(mlxsw_sp, nh); |
| mlxsw_sp_nexthop_update(mlxsw_sp, |
| adj_index + adj_hash_index, nh); |
| } |
| return 0; |
| } |
| |
| static u64 |
| mlxsw_sp_dpipe_table_adj_size_get(void *priv) |
| { |
| struct mlxsw_sp *mlxsw_sp = priv; |
| u64 size; |
| |
| rtnl_lock(); |
| size = mlxsw_sp_dpipe_table_adj_size(mlxsw_sp); |
| rtnl_unlock(); |
| |
| return size; |
| } |
| |
| static struct devlink_dpipe_table_ops mlxsw_sp_dpipe_table_adj_ops = { |
| .matches_dump = mlxsw_sp_dpipe_table_adj_matches_dump, |
| .actions_dump = mlxsw_sp_dpipe_table_adj_actions_dump, |
| .entries_dump = mlxsw_sp_dpipe_table_adj_entries_dump, |
| .counters_set_update = mlxsw_sp_dpipe_table_adj_counters_update, |
| .size_get = mlxsw_sp_dpipe_table_adj_size_get, |
| }; |
| |
| #define MLXSW_SP_DPIPE_TABLE_RESOURCE_UNIT_ADJ 1 |
| |
| static int mlxsw_sp_dpipe_adj_table_init(struct mlxsw_sp *mlxsw_sp) |
| { |
| struct devlink *devlink = priv_to_devlink(mlxsw_sp->core); |
| int err; |
| |
| err = devlink_dpipe_table_register(devlink, |
| MLXSW_SP_DPIPE_TABLE_NAME_ADJ, |
| &mlxsw_sp_dpipe_table_adj_ops, |
| mlxsw_sp, false); |
| if (err) |
| return err; |
| |
| err = devlink_dpipe_table_resource_set(devlink, |
| MLXSW_SP_DPIPE_TABLE_NAME_ADJ, |
| MLXSW_SP_RESOURCE_KVD_LINEAR, |
| MLXSW_SP_DPIPE_TABLE_RESOURCE_UNIT_ADJ); |
| if (err) |
| goto err_resource_set; |
| |
| return 0; |
| |
| err_resource_set: |
| devlink_dpipe_table_unregister(devlink, |
| MLXSW_SP_DPIPE_TABLE_NAME_ADJ); |
| return err; |
| } |
| |
| static void mlxsw_sp_dpipe_adj_table_fini(struct mlxsw_sp *mlxsw_sp) |
| { |
| struct devlink *devlink = priv_to_devlink(mlxsw_sp->core); |
| |
| devlink_dpipe_table_unregister(devlink, |
| MLXSW_SP_DPIPE_TABLE_NAME_ADJ); |
| } |
| |
| int mlxsw_sp_dpipe_init(struct mlxsw_sp *mlxsw_sp) |
| { |
| struct devlink *devlink = priv_to_devlink(mlxsw_sp->core); |
| int err; |
| |
| err = devlink_dpipe_headers_register(devlink, |
| &mlxsw_sp_dpipe_headers); |
| if (err) |
| return err; |
| err = mlxsw_sp_dpipe_erif_table_init(mlxsw_sp); |
| if (err) |
| goto err_erif_table_init; |
| |
| err = mlxsw_sp_dpipe_host4_table_init(mlxsw_sp); |
| if (err) |
| goto err_host4_table_init; |
| |
| err = mlxsw_sp_dpipe_host6_table_init(mlxsw_sp); |
| if (err) |
| goto err_host6_table_init; |
| |
| err = mlxsw_sp_dpipe_adj_table_init(mlxsw_sp); |
| if (err) |
| goto err_adj_table_init; |
| |
| return 0; |
| err_adj_table_init: |
| mlxsw_sp_dpipe_host6_table_fini(mlxsw_sp); |
| err_host6_table_init: |
| mlxsw_sp_dpipe_host4_table_fini(mlxsw_sp); |
| err_host4_table_init: |
| mlxsw_sp_dpipe_erif_table_fini(mlxsw_sp); |
| err_erif_table_init: |
| devlink_dpipe_headers_unregister(priv_to_devlink(mlxsw_sp->core)); |
| return err; |
| } |
| |
| void mlxsw_sp_dpipe_fini(struct mlxsw_sp *mlxsw_sp) |
| { |
| struct devlink *devlink = priv_to_devlink(mlxsw_sp->core); |
| |
| mlxsw_sp_dpipe_adj_table_fini(mlxsw_sp); |
| mlxsw_sp_dpipe_host6_table_fini(mlxsw_sp); |
| mlxsw_sp_dpipe_host4_table_fini(mlxsw_sp); |
| mlxsw_sp_dpipe_erif_table_fini(mlxsw_sp); |
| devlink_dpipe_headers_unregister(devlink); |
| } |