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![York Sun](/assets/img/avatar_default.png)
The for loop in cmd_keywords_opt_check() seems to use wrong array to set boundary, reported by Coverity analysis. Signed-off-by: York Sun <york.sun@nxp.com> CC: Joe Hershberger <joe.hershberger@ni.com> CC: Tom Rini <trini@konsulko.com> CC: Prabhakar Kushwaha <prabhakar.kushwaha@nxp.com> Reported-by: Coverity (CID: 163251) Reviewed-by: Tom Rini <trini@konsulko.com> Acked-by: Joe Hershberger <joe.hershberger@ni.com>
1102 lines
27 KiB
C
1102 lines
27 KiB
C
/*
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* Copyright 2015 Freescale Semiconductor, Inc.
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*
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* SPDX-License-Identifier: GPL-2.0+
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*
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* Ethernet Switch commands
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*/
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#include <common.h>
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#include <command.h>
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#include <errno.h>
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#include <env_flags.h>
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#include <ethsw.h>
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static const char *ethsw_name;
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#define ETHSW_PORT_STATS_HELP "ethsw [port <port_no>] statistics " \
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"{ [help] | [clear] } - show an l2 switch port's statistics"
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static int ethsw_port_stats_help_key_func(struct ethsw_command_def *parsed_cmd)
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{
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printf(ETHSW_PORT_STATS_HELP"\n");
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return CMD_RET_SUCCESS;
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}
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#define ETHSW_LEARN_HELP "ethsw [port <port_no>] learning " \
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"{ [help] | show | auto | disable } " \
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"- enable/disable/show learning configuration on a port"
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static int ethsw_learn_help_key_func(struct ethsw_command_def *parsed_cmd)
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{
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printf(ETHSW_LEARN_HELP"\n");
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return CMD_RET_SUCCESS;
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}
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#define ETHSW_FDB_HELP "ethsw [port <port_no>] [vlan <vid>] fdb " \
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"{ [help] | show | flush | { add | del } <mac> } " \
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"- Add/delete a mac entry in FDB; use show to see FDB entries; " \
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"if vlan <vid> is missing, VID 1 will be used"
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static int ethsw_fdb_help_key_func(struct ethsw_command_def *parsed_cmd)
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{
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printf(ETHSW_FDB_HELP"\n");
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return CMD_RET_SUCCESS;
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}
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#define ETHSW_PVID_HELP "ethsw [port <port_no>] " \
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"pvid { [help] | show | <pvid> } " \
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"- set/show PVID (ingress and egress VLAN tagging) for a port"
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static int ethsw_pvid_help_key_func(struct ethsw_command_def *parsed_cmd)
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{
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printf(ETHSW_PVID_HELP"\n");
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return CMD_RET_SUCCESS;
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}
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#define ETHSW_VLAN_HELP "ethsw [port <port_no>] vlan " \
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"{ [help] | show | add <vid> | del <vid> } " \
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"- add a VLAN to a port (VLAN members)"
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static int ethsw_vlan_help_key_func(struct ethsw_command_def *parsed_cmd)
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{
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printf(ETHSW_VLAN_HELP"\n");
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return CMD_RET_SUCCESS;
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}
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#define ETHSW_PORT_UNTAG_HELP "ethsw [port <port_no>] untagged " \
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"{ [help] | show | all | none | pvid } " \
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" - set egress tagging mode for a port"
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static int ethsw_port_untag_help_key_func(struct ethsw_command_def *parsed_cmd)
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{
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printf(ETHSW_PORT_UNTAG_HELP"\n");
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return CMD_RET_SUCCESS;
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}
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#define ETHSW_EGR_VLAN_TAG_HELP "ethsw [port <port_no>] egress tag " \
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"{ [help] | show | pvid | classified } " \
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"- Configure VID source for egress tag. " \
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"Tag's VID could be the frame's classified VID or the PVID of the port"
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static int ethsw_egr_tag_help_key_func(struct ethsw_command_def *parsed_cmd)
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{
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printf(ETHSW_EGR_VLAN_TAG_HELP"\n");
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return CMD_RET_SUCCESS;
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}
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#define ETHSW_VLAN_FDB_HELP "ethsw vlan fdb " \
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"{ [help] | show | shared | private } " \
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"- make VLAN learning shared or private"
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static int ethsw_vlan_learn_help_key_func(struct ethsw_command_def *parsed_cmd)
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{
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printf(ETHSW_VLAN_FDB_HELP"\n");
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return CMD_RET_SUCCESS;
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}
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#define ETHSW_PORT_INGR_FLTR_HELP "ethsw [port <port_no>] ingress filtering" \
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" { [help] | show | enable | disable } " \
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"- enable/disable VLAN ingress filtering on port"
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static int ethsw_ingr_fltr_help_key_func(struct ethsw_command_def *parsed_cmd)
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{
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printf(ETHSW_PORT_INGR_FLTR_HELP"\n");
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return CMD_RET_SUCCESS;
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}
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#define ETHSW_PORT_AGGR_HELP "ethsw [port <port_no>] aggr" \
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" { [help] | show | <lag_group_no> } " \
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"- get/set LAG group for a port"
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static int ethsw_port_aggr_help_key_func(struct ethsw_command_def *parsed_cmd)
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{
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printf(ETHSW_PORT_AGGR_HELP"\n");
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return CMD_RET_SUCCESS;
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}
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static struct keywords_to_function {
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enum ethsw_keyword_id cmd_keyword[ETHSW_MAX_CMD_PARAMS];
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int cmd_func_offset;
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int (*keyword_function)(struct ethsw_command_def *parsed_cmd);
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} ethsw_cmd_def[] = {
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{
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.cmd_keyword = {
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ethsw_id_enable,
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ethsw_id_key_end,
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},
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.cmd_func_offset = offsetof(struct ethsw_command_func,
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port_enable),
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.keyword_function = NULL,
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}, {
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.cmd_keyword = {
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ethsw_id_disable,
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ethsw_id_key_end,
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},
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.cmd_func_offset = offsetof(struct ethsw_command_func,
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port_disable),
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.keyword_function = NULL,
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}, {
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.cmd_keyword = {
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ethsw_id_show,
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ethsw_id_key_end,
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},
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.cmd_func_offset = offsetof(struct ethsw_command_func,
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port_show),
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.keyword_function = NULL,
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}, {
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.cmd_keyword = {
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ethsw_id_statistics,
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ethsw_id_help,
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ethsw_id_key_end,
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},
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.cmd_func_offset = -1,
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.keyword_function = ðsw_port_stats_help_key_func,
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}, {
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.cmd_keyword = {
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ethsw_id_statistics,
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ethsw_id_key_end,
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},
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.cmd_func_offset = offsetof(struct ethsw_command_func,
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port_stats),
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.keyword_function = NULL,
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}, {
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.cmd_keyword = {
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ethsw_id_statistics,
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ethsw_id_clear,
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ethsw_id_key_end,
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},
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.cmd_func_offset = offsetof(struct ethsw_command_func,
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port_stats_clear),
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.keyword_function = NULL,
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}, {
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.cmd_keyword = {
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ethsw_id_learning,
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ethsw_id_key_end,
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},
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.cmd_func_offset = -1,
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.keyword_function = ðsw_learn_help_key_func,
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}, {
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.cmd_keyword = {
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ethsw_id_learning,
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ethsw_id_help,
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ethsw_id_key_end,
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},
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.cmd_func_offset = -1,
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.keyword_function = ðsw_learn_help_key_func,
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}, {
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.cmd_keyword = {
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ethsw_id_learning,
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ethsw_id_show,
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ethsw_id_key_end,
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},
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.cmd_func_offset = offsetof(struct ethsw_command_func,
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port_learn_show),
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.keyword_function = NULL,
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}, {
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.cmd_keyword = {
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ethsw_id_learning,
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ethsw_id_auto,
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ethsw_id_key_end,
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},
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.cmd_func_offset = offsetof(struct ethsw_command_func,
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port_learn),
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.keyword_function = NULL,
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}, {
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.cmd_keyword = {
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ethsw_id_learning,
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ethsw_id_disable,
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ethsw_id_key_end,
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},
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.cmd_func_offset = offsetof(struct ethsw_command_func,
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port_learn),
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.keyword_function = NULL,
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}, {
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.cmd_keyword = {
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ethsw_id_fdb,
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ethsw_id_key_end,
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},
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.cmd_func_offset = -1,
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.keyword_function = ðsw_fdb_help_key_func,
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}, {
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.cmd_keyword = {
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ethsw_id_fdb,
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ethsw_id_help,
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ethsw_id_key_end,
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},
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.cmd_func_offset = -1,
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.keyword_function = ðsw_fdb_help_key_func,
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}, {
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.cmd_keyword = {
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ethsw_id_fdb,
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ethsw_id_show,
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ethsw_id_key_end,
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},
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.cmd_func_offset = offsetof(struct ethsw_command_func,
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fdb_show),
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.keyword_function = NULL,
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}, {
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.cmd_keyword = {
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ethsw_id_fdb,
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ethsw_id_flush,
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ethsw_id_key_end,
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},
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.cmd_func_offset = offsetof(struct ethsw_command_func,
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fdb_flush),
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.keyword_function = NULL,
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}, {
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.cmd_keyword = {
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ethsw_id_fdb,
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ethsw_id_add,
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ethsw_id_add_del_mac,
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ethsw_id_key_end,
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},
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.cmd_func_offset = offsetof(struct ethsw_command_func,
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fdb_entry_add),
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.keyword_function = NULL,
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}, {
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.cmd_keyword = {
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ethsw_id_fdb,
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ethsw_id_del,
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ethsw_id_add_del_mac,
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ethsw_id_key_end,
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},
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.cmd_func_offset = offsetof(struct ethsw_command_func,
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fdb_entry_del),
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.keyword_function = NULL,
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}, {
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.cmd_keyword = {
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ethsw_id_pvid,
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ethsw_id_key_end,
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},
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.cmd_func_offset = -1,
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.keyword_function = ðsw_pvid_help_key_func,
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}, {
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.cmd_keyword = {
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ethsw_id_pvid,
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ethsw_id_help,
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ethsw_id_key_end,
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},
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.cmd_func_offset = -1,
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.keyword_function = ðsw_pvid_help_key_func,
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}, {
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.cmd_keyword = {
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ethsw_id_pvid,
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ethsw_id_show,
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ethsw_id_key_end,
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},
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.cmd_func_offset = offsetof(struct ethsw_command_func,
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pvid_show),
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.keyword_function = NULL,
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}, {
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.cmd_keyword = {
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ethsw_id_pvid,
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ethsw_id_pvid_no,
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ethsw_id_key_end,
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},
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.cmd_func_offset = offsetof(struct ethsw_command_func,
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pvid_set),
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.keyword_function = NULL,
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}, {
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.cmd_keyword = {
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ethsw_id_vlan,
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ethsw_id_key_end,
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},
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.cmd_func_offset = -1,
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.keyword_function = ðsw_vlan_help_key_func,
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}, {
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.cmd_keyword = {
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ethsw_id_vlan,
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ethsw_id_help,
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ethsw_id_key_end,
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},
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.cmd_func_offset = -1,
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.keyword_function = ðsw_vlan_help_key_func,
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}, {
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.cmd_keyword = {
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ethsw_id_vlan,
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ethsw_id_show,
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ethsw_id_key_end,
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},
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.cmd_func_offset = offsetof(struct ethsw_command_func,
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vlan_show),
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.keyword_function = NULL,
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}, {
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.cmd_keyword = {
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ethsw_id_vlan,
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ethsw_id_add,
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ethsw_id_add_del_no,
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ethsw_id_key_end,
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},
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.cmd_func_offset = offsetof(struct ethsw_command_func,
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vlan_set),
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.keyword_function = NULL,
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}, {
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.cmd_keyword = {
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ethsw_id_vlan,
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ethsw_id_del,
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ethsw_id_add_del_no,
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ethsw_id_key_end,
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},
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.cmd_func_offset = offsetof(struct ethsw_command_func,
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vlan_set),
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.keyword_function = NULL,
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}, {
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.cmd_keyword = {
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ethsw_id_untagged,
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ethsw_id_key_end,
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},
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.cmd_func_offset = -1,
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.keyword_function = ðsw_port_untag_help_key_func,
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}, {
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.cmd_keyword = {
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ethsw_id_untagged,
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ethsw_id_help,
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ethsw_id_key_end,
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},
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.cmd_func_offset = -1,
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.keyword_function = ðsw_port_untag_help_key_func,
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}, {
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.cmd_keyword = {
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ethsw_id_untagged,
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ethsw_id_show,
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ethsw_id_key_end,
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},
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.cmd_func_offset = offsetof(struct ethsw_command_func,
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port_untag_show),
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.keyword_function = NULL,
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}, {
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.cmd_keyword = {
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ethsw_id_untagged,
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ethsw_id_all,
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ethsw_id_key_end,
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},
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.cmd_func_offset = offsetof(struct ethsw_command_func,
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port_untag_set),
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.keyword_function = NULL,
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}, {
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.cmd_keyword = {
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ethsw_id_untagged,
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ethsw_id_none,
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ethsw_id_key_end,
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},
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.cmd_func_offset = offsetof(struct ethsw_command_func,
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port_untag_set),
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.keyword_function = NULL,
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}, {
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.cmd_keyword = {
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ethsw_id_untagged,
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ethsw_id_pvid,
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ethsw_id_key_end,
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},
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.cmd_func_offset = offsetof(struct ethsw_command_func,
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port_untag_set),
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.keyword_function = NULL,
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}, {
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.cmd_keyword = {
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ethsw_id_egress,
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ethsw_id_tag,
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ethsw_id_key_end,
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},
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.cmd_func_offset = -1,
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.keyword_function = ðsw_egr_tag_help_key_func,
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}, {
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.cmd_keyword = {
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ethsw_id_egress,
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ethsw_id_tag,
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ethsw_id_help,
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ethsw_id_key_end,
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},
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.cmd_func_offset = -1,
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.keyword_function = ðsw_egr_tag_help_key_func,
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}, {
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.cmd_keyword = {
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ethsw_id_egress,
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ethsw_id_tag,
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ethsw_id_show,
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ethsw_id_key_end,
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},
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.cmd_func_offset = offsetof(struct ethsw_command_func,
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port_egr_vlan_show),
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.keyword_function = NULL,
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}, {
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.cmd_keyword = {
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ethsw_id_egress,
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ethsw_id_tag,
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ethsw_id_pvid,
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ethsw_id_key_end,
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},
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.cmd_func_offset = offsetof(struct ethsw_command_func,
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port_egr_vlan_set),
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.keyword_function = NULL,
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}, {
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.cmd_keyword = {
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ethsw_id_egress,
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ethsw_id_tag,
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ethsw_id_classified,
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ethsw_id_key_end,
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},
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.cmd_func_offset = offsetof(struct ethsw_command_func,
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port_egr_vlan_set),
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.keyword_function = NULL,
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}, {
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.cmd_keyword = {
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ethsw_id_vlan,
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ethsw_id_fdb,
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ethsw_id_key_end,
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},
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.cmd_func_offset = -1,
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.keyword_function = ðsw_vlan_learn_help_key_func,
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}, {
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.cmd_keyword = {
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ethsw_id_vlan,
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ethsw_id_fdb,
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ethsw_id_help,
|
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ethsw_id_key_end,
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},
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.cmd_func_offset = -1,
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.keyword_function = ðsw_vlan_learn_help_key_func,
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}, {
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.cmd_keyword = {
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ethsw_id_vlan,
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ethsw_id_fdb,
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ethsw_id_show,
|
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ethsw_id_key_end,
|
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},
|
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.cmd_func_offset = offsetof(struct ethsw_command_func,
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vlan_learn_show),
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.keyword_function = NULL,
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}, {
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.cmd_keyword = {
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ethsw_id_vlan,
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ethsw_id_fdb,
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ethsw_id_shared,
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ethsw_id_key_end,
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},
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.cmd_func_offset = offsetof(struct ethsw_command_func,
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vlan_learn_set),
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.keyword_function = NULL,
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}, {
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.cmd_keyword = {
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ethsw_id_vlan,
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ethsw_id_fdb,
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ethsw_id_private,
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ethsw_id_key_end,
|
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},
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.cmd_func_offset = offsetof(struct ethsw_command_func,
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vlan_learn_set),
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.keyword_function = NULL,
|
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}, {
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.cmd_keyword = {
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ethsw_id_ingress,
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ethsw_id_filtering,
|
|
ethsw_id_key_end,
|
|
},
|
|
.cmd_func_offset = -1,
|
|
.keyword_function = ðsw_ingr_fltr_help_key_func,
|
|
}, {
|
|
.cmd_keyword = {
|
|
ethsw_id_ingress,
|
|
ethsw_id_filtering,
|
|
ethsw_id_help,
|
|
ethsw_id_key_end,
|
|
},
|
|
.cmd_func_offset = -1,
|
|
.keyword_function = ðsw_ingr_fltr_help_key_func,
|
|
}, {
|
|
.cmd_keyword = {
|
|
ethsw_id_ingress,
|
|
ethsw_id_filtering,
|
|
ethsw_id_show,
|
|
ethsw_id_key_end,
|
|
},
|
|
.cmd_func_offset = offsetof(struct ethsw_command_func,
|
|
port_ingr_filt_show),
|
|
.keyword_function = NULL,
|
|
}, {
|
|
.cmd_keyword = {
|
|
ethsw_id_ingress,
|
|
ethsw_id_filtering,
|
|
ethsw_id_enable,
|
|
ethsw_id_key_end,
|
|
},
|
|
.cmd_func_offset = offsetof(struct ethsw_command_func,
|
|
port_ingr_filt_set),
|
|
.keyword_function = NULL,
|
|
}, {
|
|
.cmd_keyword = {
|
|
ethsw_id_ingress,
|
|
ethsw_id_filtering,
|
|
ethsw_id_disable,
|
|
ethsw_id_key_end,
|
|
},
|
|
.cmd_func_offset = offsetof(struct ethsw_command_func,
|
|
port_ingr_filt_set),
|
|
.keyword_function = NULL,
|
|
}, {
|
|
.cmd_keyword = {
|
|
ethsw_id_aggr,
|
|
ethsw_id_key_end,
|
|
},
|
|
.cmd_func_offset = -1,
|
|
.keyword_function = ðsw_port_aggr_help_key_func,
|
|
}, {
|
|
.cmd_keyword = {
|
|
ethsw_id_aggr,
|
|
ethsw_id_help,
|
|
ethsw_id_key_end,
|
|
},
|
|
.cmd_func_offset = -1,
|
|
.keyword_function = ðsw_port_aggr_help_key_func,
|
|
}, {
|
|
.cmd_keyword = {
|
|
ethsw_id_aggr,
|
|
ethsw_id_show,
|
|
ethsw_id_key_end,
|
|
},
|
|
.cmd_func_offset = offsetof(struct ethsw_command_func,
|
|
port_aggr_show),
|
|
.keyword_function = NULL,
|
|
}, {
|
|
.cmd_keyword = {
|
|
ethsw_id_aggr,
|
|
ethsw_id_aggr_no,
|
|
ethsw_id_key_end,
|
|
},
|
|
.cmd_func_offset = offsetof(struct ethsw_command_func,
|
|
port_aggr_set),
|
|
.keyword_function = NULL,
|
|
},
|
|
};
|
|
|
|
struct keywords_optional {
|
|
int cmd_keyword[ETHSW_MAX_CMD_PARAMS];
|
|
} cmd_opt_def[] = {
|
|
{
|
|
.cmd_keyword = {
|
|
ethsw_id_port,
|
|
ethsw_id_port_no,
|
|
ethsw_id_key_end,
|
|
},
|
|
}, {
|
|
.cmd_keyword = {
|
|
ethsw_id_vlan,
|
|
ethsw_id_vlan_no,
|
|
ethsw_id_key_end,
|
|
},
|
|
}, {
|
|
.cmd_keyword = {
|
|
ethsw_id_port,
|
|
ethsw_id_port_no,
|
|
ethsw_id_vlan,
|
|
ethsw_id_vlan_no,
|
|
ethsw_id_key_end,
|
|
},
|
|
},
|
|
};
|
|
|
|
static int keyword_match_gen(enum ethsw_keyword_id key_id, int argc, char
|
|
*const argv[], int *argc_nr,
|
|
struct ethsw_command_def *parsed_cmd);
|
|
static int keyword_match_port(enum ethsw_keyword_id key_id, int argc,
|
|
char *const argv[], int *argc_nr,
|
|
struct ethsw_command_def *parsed_cmd);
|
|
static int keyword_match_vlan(enum ethsw_keyword_id key_id, int argc,
|
|
char *const argv[], int *argc_nr,
|
|
struct ethsw_command_def *parsed_cmd);
|
|
static int keyword_match_pvid(enum ethsw_keyword_id key_id, int argc,
|
|
char *const argv[], int *argc_nr,
|
|
struct ethsw_command_def *parsed_cmd);
|
|
static int keyword_match_mac_addr(enum ethsw_keyword_id key_id, int argc,
|
|
char *const argv[], int *argc_nr,
|
|
struct ethsw_command_def *parsed_cmd);
|
|
static int keyword_match_aggr(enum ethsw_keyword_id key_id, int argc,
|
|
char *const argv[], int *argc_nr,
|
|
struct ethsw_command_def *parsed_cmd);
|
|
|
|
/*
|
|
* Define properties for each keyword;
|
|
* keep the order synced with enum ethsw_keyword_id
|
|
*/
|
|
struct keyword_def {
|
|
const char *keyword_name;
|
|
int (*match)(enum ethsw_keyword_id key_id, int argc, char *const argv[],
|
|
int *argc_nr, struct ethsw_command_def *parsed_cmd);
|
|
} keyword[] = {
|
|
{
|
|
.keyword_name = "help",
|
|
.match = &keyword_match_gen,
|
|
}, {
|
|
.keyword_name = "show",
|
|
.match = &keyword_match_gen,
|
|
}, {
|
|
.keyword_name = "port",
|
|
.match = &keyword_match_port
|
|
}, {
|
|
.keyword_name = "enable",
|
|
.match = &keyword_match_gen,
|
|
}, {
|
|
.keyword_name = "disable",
|
|
.match = &keyword_match_gen,
|
|
}, {
|
|
.keyword_name = "statistics",
|
|
.match = &keyword_match_gen,
|
|
}, {
|
|
.keyword_name = "clear",
|
|
.match = &keyword_match_gen,
|
|
}, {
|
|
.keyword_name = "learning",
|
|
.match = &keyword_match_gen,
|
|
}, {
|
|
.keyword_name = "auto",
|
|
.match = &keyword_match_gen,
|
|
}, {
|
|
.keyword_name = "vlan",
|
|
.match = &keyword_match_vlan,
|
|
}, {
|
|
.keyword_name = "fdb",
|
|
.match = &keyword_match_gen,
|
|
}, {
|
|
.keyword_name = "add",
|
|
.match = &keyword_match_mac_addr,
|
|
}, {
|
|
.keyword_name = "del",
|
|
.match = &keyword_match_mac_addr,
|
|
}, {
|
|
.keyword_name = "flush",
|
|
.match = &keyword_match_gen,
|
|
}, {
|
|
.keyword_name = "pvid",
|
|
.match = &keyword_match_pvid,
|
|
}, {
|
|
.keyword_name = "untagged",
|
|
.match = &keyword_match_gen,
|
|
}, {
|
|
.keyword_name = "all",
|
|
.match = &keyword_match_gen,
|
|
}, {
|
|
.keyword_name = "none",
|
|
.match = &keyword_match_gen,
|
|
}, {
|
|
.keyword_name = "egress",
|
|
.match = &keyword_match_gen,
|
|
}, {
|
|
.keyword_name = "tag",
|
|
.match = &keyword_match_gen,
|
|
}, {
|
|
.keyword_name = "classified",
|
|
.match = &keyword_match_gen,
|
|
}, {
|
|
.keyword_name = "shared",
|
|
.match = &keyword_match_gen,
|
|
}, {
|
|
.keyword_name = "private",
|
|
.match = &keyword_match_gen,
|
|
}, {
|
|
.keyword_name = "ingress",
|
|
.match = &keyword_match_gen,
|
|
}, {
|
|
.keyword_name = "filtering",
|
|
.match = &keyword_match_gen,
|
|
}, {
|
|
.keyword_name = "aggr",
|
|
.match = &keyword_match_aggr,
|
|
},
|
|
};
|
|
|
|
/*
|
|
* Function used by an Ethernet Switch driver to set the functions
|
|
* that must be called by the parser when an ethsw command is given
|
|
*/
|
|
int ethsw_define_functions(const struct ethsw_command_func *cmd_func)
|
|
{
|
|
int i;
|
|
void **aux_p;
|
|
int (*cmd_func_aux)(struct ethsw_command_def *);
|
|
|
|
if (!cmd_func->ethsw_name)
|
|
return -EINVAL;
|
|
|
|
ethsw_name = cmd_func->ethsw_name;
|
|
|
|
for (i = 0; i < ARRAY_SIZE(ethsw_cmd_def); i++) {
|
|
/*
|
|
* get the pointer to the function send by the Ethernet Switch
|
|
* driver that corresponds to the proper ethsw command
|
|
*/
|
|
if (ethsw_cmd_def[i].keyword_function)
|
|
continue;
|
|
|
|
aux_p = (void *)cmd_func + ethsw_cmd_def[i].cmd_func_offset;
|
|
|
|
cmd_func_aux = (int (*)(struct ethsw_command_def *)) *aux_p;
|
|
ethsw_cmd_def[i].keyword_function = cmd_func_aux;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
/* Generic function used to match a keyword only by a string */
|
|
static int keyword_match_gen(enum ethsw_keyword_id key_id, int argc,
|
|
char *const argv[], int *argc_nr,
|
|
struct ethsw_command_def *parsed_cmd)
|
|
{
|
|
if (strcmp(argv[*argc_nr], keyword[key_id].keyword_name) == 0) {
|
|
parsed_cmd->cmd_to_keywords[*argc_nr] = key_id;
|
|
|
|
return 1;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/* Function used to match the command's port */
|
|
static int keyword_match_port(enum ethsw_keyword_id key_id, int argc,
|
|
char *const argv[], int *argc_nr,
|
|
struct ethsw_command_def *parsed_cmd)
|
|
{
|
|
unsigned long val;
|
|
|
|
if (!keyword_match_gen(key_id, argc, argv, argc_nr, parsed_cmd))
|
|
return 0;
|
|
|
|
if (*argc_nr + 1 >= argc)
|
|
return 0;
|
|
|
|
if (strict_strtoul(argv[*argc_nr + 1], 10, &val) != -EINVAL) {
|
|
parsed_cmd->port = val;
|
|
(*argc_nr)++;
|
|
parsed_cmd->cmd_to_keywords[*argc_nr] = ethsw_id_port_no;
|
|
return 1;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
/* Function used to match the command's vlan */
|
|
static int keyword_match_vlan(enum ethsw_keyword_id key_id, int argc,
|
|
char *const argv[], int *argc_nr,
|
|
struct ethsw_command_def *parsed_cmd)
|
|
{
|
|
unsigned long val;
|
|
int aux;
|
|
|
|
if (!keyword_match_gen(key_id, argc, argv, argc_nr, parsed_cmd))
|
|
return 0;
|
|
|
|
if (*argc_nr + 1 >= argc)
|
|
return 0;
|
|
|
|
if (strict_strtoul(argv[*argc_nr + 1], 10, &val) != -EINVAL) {
|
|
parsed_cmd->vid = val;
|
|
(*argc_nr)++;
|
|
parsed_cmd->cmd_to_keywords[*argc_nr] = ethsw_id_vlan_no;
|
|
return 1;
|
|
}
|
|
|
|
aux = *argc_nr + 1;
|
|
|
|
if (keyword_match_gen(ethsw_id_add, argc, argv, &aux, parsed_cmd))
|
|
parsed_cmd->cmd_to_keywords[*argc_nr + 1] = ethsw_id_add;
|
|
else if (keyword_match_gen(ethsw_id_del, argc, argv, &aux, parsed_cmd))
|
|
parsed_cmd->cmd_to_keywords[*argc_nr + 1] = ethsw_id_del;
|
|
else
|
|
return 0;
|
|
|
|
if (*argc_nr + 2 >= argc)
|
|
return 0;
|
|
|
|
if (strict_strtoul(argv[*argc_nr + 2], 10, &val) != -EINVAL) {
|
|
parsed_cmd->vid = val;
|
|
(*argc_nr) += 2;
|
|
parsed_cmd->cmd_to_keywords[*argc_nr] = ethsw_id_add_del_no;
|
|
return 1;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
/* Function used to match the command's pvid */
|
|
static int keyword_match_pvid(enum ethsw_keyword_id key_id, int argc,
|
|
char *const argv[], int *argc_nr,
|
|
struct ethsw_command_def *parsed_cmd)
|
|
{
|
|
unsigned long val;
|
|
|
|
if (!keyword_match_gen(key_id, argc, argv, argc_nr, parsed_cmd))
|
|
return 0;
|
|
|
|
if (*argc_nr + 1 >= argc)
|
|
return 1;
|
|
|
|
if (strict_strtoul(argv[*argc_nr + 1], 10, &val) != -EINVAL) {
|
|
parsed_cmd->vid = val;
|
|
(*argc_nr)++;
|
|
parsed_cmd->cmd_to_keywords[*argc_nr] = ethsw_id_pvid_no;
|
|
}
|
|
|
|
return 1;
|
|
}
|
|
|
|
/* Function used to match the command's MAC address */
|
|
static int keyword_match_mac_addr(enum ethsw_keyword_id key_id, int argc,
|
|
char *const argv[], int *argc_nr,
|
|
struct ethsw_command_def *parsed_cmd)
|
|
{
|
|
if (!keyword_match_gen(key_id, argc, argv, argc_nr, parsed_cmd))
|
|
return 0;
|
|
|
|
if ((*argc_nr + 1 >= argc) ||
|
|
!is_broadcast_ethaddr(parsed_cmd->ethaddr))
|
|
return 1;
|
|
|
|
if (eth_validate_ethaddr_str(argv[*argc_nr + 1])) {
|
|
printf("Invalid MAC address: %s\n", argv[*argc_nr + 1]);
|
|
return 0;
|
|
}
|
|
|
|
eth_parse_enetaddr(argv[*argc_nr + 1], parsed_cmd->ethaddr);
|
|
|
|
if (is_broadcast_ethaddr(parsed_cmd->ethaddr)) {
|
|
memset(parsed_cmd->ethaddr, 0xFF, sizeof(parsed_cmd->ethaddr));
|
|
return 0;
|
|
}
|
|
|
|
parsed_cmd->cmd_to_keywords[*argc_nr + 1] = ethsw_id_add_del_mac;
|
|
|
|
return 1;
|
|
}
|
|
|
|
/* Function used to match the command's aggregation number */
|
|
static int keyword_match_aggr(enum ethsw_keyword_id key_id, int argc,
|
|
char *const argv[], int *argc_nr,
|
|
struct ethsw_command_def *parsed_cmd)
|
|
{
|
|
unsigned long val;
|
|
|
|
if (!keyword_match_gen(key_id, argc, argv, argc_nr, parsed_cmd))
|
|
return 0;
|
|
|
|
if (*argc_nr + 1 >= argc)
|
|
return 1;
|
|
|
|
if (strict_strtoul(argv[*argc_nr + 1], 10, &val) != -EINVAL) {
|
|
parsed_cmd->aggr_grp = val;
|
|
(*argc_nr)++;
|
|
parsed_cmd->cmd_to_keywords[*argc_nr] = ethsw_id_aggr_no;
|
|
}
|
|
|
|
return 1;
|
|
}
|
|
|
|
/* Finds optional keywords and modifies *argc_va to skip them */
|
|
static void cmd_keywords_opt_check(const struct ethsw_command_def *parsed_cmd,
|
|
int *argc_val)
|
|
{
|
|
int i;
|
|
int keyw_opt_matched;
|
|
int argc_val_max;
|
|
int const *cmd_keyw_p;
|
|
int const *cmd_keyw_opt_p;
|
|
|
|
/* remember the best match */
|
|
argc_val_max = *argc_val;
|
|
|
|
/*
|
|
* check if our command's optional keywords match the optional
|
|
* keywords of an available command
|
|
*/
|
|
for (i = 0; i < ARRAY_SIZE(cmd_opt_def); i++) {
|
|
keyw_opt_matched = 0;
|
|
cmd_keyw_p = &parsed_cmd->cmd_to_keywords[keyw_opt_matched];
|
|
cmd_keyw_opt_p = &cmd_opt_def[i].cmd_keyword[keyw_opt_matched];
|
|
|
|
/*
|
|
* increase the number of keywords that
|
|
* matched with a command
|
|
*/
|
|
while (keyw_opt_matched + *argc_val <
|
|
parsed_cmd->cmd_keywords_nr &&
|
|
*cmd_keyw_opt_p != ethsw_id_key_end &&
|
|
*(cmd_keyw_p + *argc_val) == *cmd_keyw_opt_p) {
|
|
keyw_opt_matched++;
|
|
cmd_keyw_p++;
|
|
cmd_keyw_opt_p++;
|
|
}
|
|
|
|
/*
|
|
* if all our optional command's keywords perfectly match an
|
|
* optional pattern, then we can move to the next defined
|
|
* keywords in our command; remember the one that matched the
|
|
* greatest number of keywords
|
|
*/
|
|
if (keyw_opt_matched + *argc_val <=
|
|
parsed_cmd->cmd_keywords_nr &&
|
|
*cmd_keyw_opt_p == ethsw_id_key_end &&
|
|
*argc_val + keyw_opt_matched > argc_val_max)
|
|
argc_val_max = *argc_val + keyw_opt_matched;
|
|
}
|
|
|
|
*argc_val = argc_val_max;
|
|
}
|
|
|
|
/*
|
|
* Finds the function to call based on keywords and
|
|
* modifies *argc_va to skip them
|
|
*/
|
|
static void cmd_keywords_check(struct ethsw_command_def *parsed_cmd,
|
|
int *argc_val)
|
|
{
|
|
int i;
|
|
int keyw_matched;
|
|
int *cmd_keyw_p;
|
|
int *cmd_keyw_def_p;
|
|
|
|
/*
|
|
* check if our command's keywords match the
|
|
* keywords of an available command
|
|
*/
|
|
for (i = 0; i < ARRAY_SIZE(ethsw_cmd_def); i++) {
|
|
keyw_matched = 0;
|
|
cmd_keyw_p = &parsed_cmd->cmd_to_keywords[keyw_matched];
|
|
cmd_keyw_def_p = ðsw_cmd_def[i].cmd_keyword[keyw_matched];
|
|
|
|
/*
|
|
* increase the number of keywords that
|
|
* matched with a command
|
|
*/
|
|
while (keyw_matched + *argc_val < parsed_cmd->cmd_keywords_nr &&
|
|
*cmd_keyw_def_p != ethsw_id_key_end &&
|
|
*(cmd_keyw_p + *argc_val) == *cmd_keyw_def_p) {
|
|
keyw_matched++;
|
|
cmd_keyw_p++;
|
|
cmd_keyw_def_p++;
|
|
}
|
|
|
|
/*
|
|
* if all our command's keywords perfectly match an
|
|
* available command, then we get the function we need to call
|
|
* to configure the Ethernet Switch
|
|
*/
|
|
if (keyw_matched && keyw_matched + *argc_val ==
|
|
parsed_cmd->cmd_keywords_nr &&
|
|
*cmd_keyw_def_p == ethsw_id_key_end) {
|
|
*argc_val += keyw_matched;
|
|
parsed_cmd->cmd_function =
|
|
ethsw_cmd_def[i].keyword_function;
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
|
|
/* find all the keywords in the command */
|
|
static int keywords_find(int argc, char * const argv[],
|
|
struct ethsw_command_def *parsed_cmd)
|
|
{
|
|
int i;
|
|
int j;
|
|
int argc_val;
|
|
int rc = CMD_RET_SUCCESS;
|
|
|
|
for (i = 1; i < argc; i++) {
|
|
for (j = 0; j < ethsw_id_count; j++) {
|
|
if (keyword[j].match(j, argc, argv, &i, parsed_cmd))
|
|
break;
|
|
}
|
|
}
|
|
|
|
/* if there is no keyword match for a word, the command is invalid */
|
|
for (i = 1; i < argc; i++)
|
|
if (parsed_cmd->cmd_to_keywords[i] == ethsw_id_key_end)
|
|
rc = CMD_RET_USAGE;
|
|
|
|
parsed_cmd->cmd_keywords_nr = argc;
|
|
argc_val = 1;
|
|
|
|
/* get optional parameters first */
|
|
cmd_keywords_opt_check(parsed_cmd, &argc_val);
|
|
|
|
if (argc_val == parsed_cmd->cmd_keywords_nr)
|
|
return CMD_RET_USAGE;
|
|
|
|
/*
|
|
* check the keywords and if a match is found,
|
|
* get the function to call
|
|
*/
|
|
cmd_keywords_check(parsed_cmd, &argc_val);
|
|
|
|
/* error if not all commands' parameters were matched */
|
|
if (argc_val == parsed_cmd->cmd_keywords_nr) {
|
|
if (!parsed_cmd->cmd_function) {
|
|
printf("Command not available for: %s\n", ethsw_name);
|
|
rc = CMD_RET_FAILURE;
|
|
}
|
|
} else {
|
|
rc = CMD_RET_USAGE;
|
|
}
|
|
|
|
return rc;
|
|
}
|
|
|
|
static void command_def_init(struct ethsw_command_def *parsed_cmd)
|
|
{
|
|
int i;
|
|
|
|
for (i = 0; i < ETHSW_MAX_CMD_PARAMS; i++)
|
|
parsed_cmd->cmd_to_keywords[i] = ethsw_id_key_end;
|
|
|
|
parsed_cmd->port = ETHSW_CMD_PORT_ALL;
|
|
parsed_cmd->vid = ETHSW_CMD_VLAN_ALL;
|
|
parsed_cmd->aggr_grp = ETHSW_CMD_AGGR_GRP_NONE;
|
|
parsed_cmd->cmd_function = NULL;
|
|
|
|
/* We initialize the MAC address with the Broadcast address */
|
|
memset(parsed_cmd->ethaddr, 0xff, sizeof(parsed_cmd->ethaddr));
|
|
}
|
|
|
|
/* function to interpret commands starting with "ethsw " */
|
|
static int do_ethsw(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
|
|
{
|
|
struct ethsw_command_def parsed_cmd;
|
|
int rc = CMD_RET_SUCCESS;
|
|
|
|
if (argc == 1 || argc >= ETHSW_MAX_CMD_PARAMS)
|
|
return CMD_RET_USAGE;
|
|
|
|
command_def_init(&parsed_cmd);
|
|
|
|
rc = keywords_find(argc, argv, &parsed_cmd);
|
|
|
|
if (rc == CMD_RET_SUCCESS)
|
|
rc = parsed_cmd.cmd_function(&parsed_cmd);
|
|
|
|
return rc;
|
|
}
|
|
|
|
#define ETHSW_PORT_CONF_HELP "[port <port_no>] { enable | disable | show } " \
|
|
"- enable/disable a port; show a port's configuration"
|
|
|
|
U_BOOT_CMD(ethsw, ETHSW_MAX_CMD_PARAMS, 0, do_ethsw,
|
|
"Ethernet l2 switch commands",
|
|
ETHSW_PORT_CONF_HELP"\n"
|
|
ETHSW_PORT_STATS_HELP"\n"
|
|
ETHSW_LEARN_HELP"\n"
|
|
ETHSW_FDB_HELP"\n"
|
|
ETHSW_PVID_HELP"\n"
|
|
ETHSW_VLAN_HELP"\n"
|
|
ETHSW_PORT_UNTAG_HELP"\n"
|
|
ETHSW_EGR_VLAN_TAG_HELP"\n"
|
|
ETHSW_VLAN_FDB_HELP"\n"
|
|
ETHSW_PORT_INGR_FLTR_HELP"\n"
|
|
ETHSW_PORT_AGGR_HELP"\n"
|
|
);
|