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u-boot/common/cmd_ethsw.c
Codrin Ciubotariu 5ed1bacd34 drivers/net/vsc9953: Add commands for VLAN ingress filtering 
The command:
ethsw [port <port_no>] ingress filtering
     { [help] | show | enable | disable }
  - enable/disable VLAN ingress filtering on port

can be used to enable/disable/show VLAN ingress filtering on a port.
This command has also been added to the ethsw generic parser
from common/cmd_ethsw.c

Signed-off-by: Johnson Leung <johnson.leung@freescale.com>
Signed-off-by: Codrin Ciubotariu <codrin.ciubotariu@freescale.com>
Acked-by: Joe Hershberger <joe.hershberger@ni.com>
Reviewed-by: York Sun <yorksun@freescale.com>
2015-09-21 08:29:48 -07:00

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/*
* Copyright 2015 Freescale Semiconductor, Inc.
*
* SPDX-License-Identifier: GPL-2.0+
*
* Ethernet Switch commands
*/
#include <common.h>
#include <command.h>
#include <errno.h>
#include <env_flags.h>
#include <ethsw.h>
static const char *ethsw_name;
#define ETHSW_PORT_STATS_HELP "ethsw [port <port_no>] statistics " \
"{ [help] | [clear] } - show an l2 switch port's statistics"
static int ethsw_port_stats_help_key_func(struct ethsw_command_def *parsed_cmd)
{
printf(ETHSW_PORT_STATS_HELP"\n");
return CMD_RET_SUCCESS;
}
#define ETHSW_LEARN_HELP "ethsw [port <port_no>] learning " \
"{ [help] | show | auto | disable } " \
"- enable/disable/show learning configuration on a port"
static int ethsw_learn_help_key_func(struct ethsw_command_def *parsed_cmd)
{
printf(ETHSW_LEARN_HELP"\n");
return CMD_RET_SUCCESS;
}
#define ETHSW_FDB_HELP "ethsw [port <port_no>] [vlan <vid>] fdb " \
"{ [help] | show | flush | { add | del } <mac> } " \
"- Add/delete a mac entry in FDB; use show to see FDB entries; " \
"if vlan <vid> is missing, VID 1 will be used"
static int ethsw_fdb_help_key_func(struct ethsw_command_def *parsed_cmd)
{
printf(ETHSW_FDB_HELP"\n");
return CMD_RET_SUCCESS;
}
#define ETHSW_PVID_HELP "ethsw [port <port_no>] " \
"pvid { [help] | show | <pvid> } " \
"- set/show PVID (ingress and egress VLAN tagging) for a port"
static int ethsw_pvid_help_key_func(struct ethsw_command_def *parsed_cmd)
{
printf(ETHSW_PVID_HELP"\n");
return CMD_RET_SUCCESS;
}
#define ETHSW_VLAN_HELP "ethsw [port <port_no>] vlan " \
"{ [help] | show | add <vid> | del <vid> } " \
"- add a VLAN to a port (VLAN members)"
static int ethsw_vlan_help_key_func(struct ethsw_command_def *parsed_cmd)
{
printf(ETHSW_VLAN_HELP"\n");
return CMD_RET_SUCCESS;
}
#define ETHSW_PORT_UNTAG_HELP "ethsw [port <port_no>] untagged " \
"{ [help] | show | all | none | pvid } " \
" - set egress tagging mod for a port"
static int ethsw_port_untag_help_key_func(struct ethsw_command_def *parsed_cmd)
{
printf(ETHSW_PORT_UNTAG_HELP"\n");
return CMD_RET_SUCCESS;
}
#define ETHSW_EGR_VLAN_TAG_HELP "ethsw [port <port_no>] egress tag " \
"{ [help] | show | pvid | classified } " \
"- Configure VID source for egress tag. " \
"Tag's VID could be the frame's classified VID or the PVID of the port"
static int ethsw_egr_tag_help_key_func(struct ethsw_command_def *parsed_cmd)
{
printf(ETHSW_EGR_VLAN_TAG_HELP"\n");
return CMD_RET_SUCCESS;
}
#define ETHSW_VLAN_FDB_HELP "ethsw vlan fdb " \
"{ [help] | show | shared | private } " \
"- make VLAN learning shared or private"
static int ethsw_vlan_learn_help_key_func(struct ethsw_command_def *parsed_cmd)
{
printf(ETHSW_VLAN_FDB_HELP"\n");
return CMD_RET_SUCCESS;
}
#define ETHSW_PORT_INGR_FLTR_HELP "ethsw [port <port_no>] ingress filtering" \
" { [help] | show | enable | disable } " \
"- enable/disable VLAN ingress filtering on port"
static int ethsw_ingr_fltr_help_key_func(struct ethsw_command_def *parsed_cmd)
{
printf(ETHSW_PORT_INGR_FLTR_HELP"\n");
return CMD_RET_SUCCESS;
}
static struct keywords_to_function {
enum ethsw_keyword_id cmd_keyword[ETHSW_MAX_CMD_PARAMS];
int cmd_func_offset;
int (*keyword_function)(struct ethsw_command_def *parsed_cmd);
} ethsw_cmd_def[] = {
{
.cmd_keyword = {
ethsw_id_enable,
ethsw_id_key_end,
},
.cmd_func_offset = offsetof(struct ethsw_command_func,
port_enable),
.keyword_function = NULL,
}, {
.cmd_keyword = {
ethsw_id_disable,
ethsw_id_key_end,
},
.cmd_func_offset = offsetof(struct ethsw_command_func,
port_disable),
.keyword_function = NULL,
}, {
.cmd_keyword = {
ethsw_id_show,
ethsw_id_key_end,
},
.cmd_func_offset = offsetof(struct ethsw_command_func,
port_show),
.keyword_function = NULL,
}, {
.cmd_keyword = {
ethsw_id_statistics,
ethsw_id_help,
ethsw_id_key_end,
},
.cmd_func_offset = -1,
.keyword_function = &ethsw_port_stats_help_key_func,
}, {
.cmd_keyword = {
ethsw_id_statistics,
ethsw_id_key_end,
},
.cmd_func_offset = offsetof(struct ethsw_command_func,
port_stats),
.keyword_function = NULL,
}, {
.cmd_keyword = {
ethsw_id_statistics,
ethsw_id_clear,
ethsw_id_key_end,
},
.cmd_func_offset = offsetof(struct ethsw_command_func,
port_stats_clear),
.keyword_function = NULL,
}, {
.cmd_keyword = {
ethsw_id_learning,
ethsw_id_key_end,
},
.cmd_func_offset = -1,
.keyword_function = &ethsw_learn_help_key_func,
}, {
.cmd_keyword = {
ethsw_id_learning,
ethsw_id_help,
ethsw_id_key_end,
},
.cmd_func_offset = -1,
.keyword_function = &ethsw_learn_help_key_func,
}, {
.cmd_keyword = {
ethsw_id_learning,
ethsw_id_show,
ethsw_id_key_end,
},
.cmd_func_offset = offsetof(struct ethsw_command_func,
port_learn_show),
.keyword_function = NULL,
}, {
.cmd_keyword = {
ethsw_id_learning,
ethsw_id_auto,
ethsw_id_key_end,
},
.cmd_func_offset = offsetof(struct ethsw_command_func,
port_learn),
.keyword_function = NULL,
}, {
.cmd_keyword = {
ethsw_id_learning,
ethsw_id_disable,
ethsw_id_key_end,
},
.cmd_func_offset = offsetof(struct ethsw_command_func,
port_learn),
.keyword_function = NULL,
}, {
.cmd_keyword = {
ethsw_id_fdb,
ethsw_id_key_end,
},
.cmd_func_offset = -1,
.keyword_function = &ethsw_fdb_help_key_func,
}, {
.cmd_keyword = {
ethsw_id_fdb,
ethsw_id_help,
ethsw_id_key_end,
},
.cmd_func_offset = -1,
.keyword_function = &ethsw_fdb_help_key_func,
}, {
.cmd_keyword = {
ethsw_id_fdb,
ethsw_id_show,
ethsw_id_key_end,
},
.cmd_func_offset = offsetof(struct ethsw_command_func,
fdb_show),
.keyword_function = NULL,
}, {
.cmd_keyword = {
ethsw_id_fdb,
ethsw_id_flush,
ethsw_id_key_end,
},
.cmd_func_offset = offsetof(struct ethsw_command_func,
fdb_flush),
.keyword_function = NULL,
}, {
.cmd_keyword = {
ethsw_id_fdb,
ethsw_id_add,
ethsw_id_add_del_mac,
ethsw_id_key_end,
},
.cmd_func_offset = offsetof(struct ethsw_command_func,
fdb_entry_add),
.keyword_function = NULL,
}, {
.cmd_keyword = {
ethsw_id_fdb,
ethsw_id_del,
ethsw_id_add_del_mac,
ethsw_id_key_end,
},
.cmd_func_offset = offsetof(struct ethsw_command_func,
fdb_entry_del),
.keyword_function = NULL,
}, {
.cmd_keyword = {
ethsw_id_pvid,
ethsw_id_key_end,
},
.cmd_func_offset = -1,
.keyword_function = &ethsw_pvid_help_key_func,
}, {
.cmd_keyword = {
ethsw_id_pvid,
ethsw_id_help,
ethsw_id_key_end,
},
.cmd_func_offset = -1,
.keyword_function = &ethsw_pvid_help_key_func,
}, {
.cmd_keyword = {
ethsw_id_pvid,
ethsw_id_show,
ethsw_id_key_end,
},
.cmd_func_offset = offsetof(struct ethsw_command_func,
pvid_show),
.keyword_function = NULL,
}, {
.cmd_keyword = {
ethsw_id_pvid,
ethsw_id_pvid_no,
ethsw_id_key_end,
},
.cmd_func_offset = offsetof(struct ethsw_command_func,
pvid_set),
.keyword_function = NULL,
}, {
.cmd_keyword = {
ethsw_id_vlan,
ethsw_id_key_end,
},
.cmd_func_offset = -1,
.keyword_function = &ethsw_vlan_help_key_func,
}, {
.cmd_keyword = {
ethsw_id_vlan,
ethsw_id_help,
ethsw_id_key_end,
},
.cmd_func_offset = -1,
.keyword_function = &ethsw_vlan_help_key_func,
}, {
.cmd_keyword = {
ethsw_id_vlan,
ethsw_id_show,
ethsw_id_key_end,
},
.cmd_func_offset = offsetof(struct ethsw_command_func,
vlan_show),
.keyword_function = NULL,
}, {
.cmd_keyword = {
ethsw_id_vlan,
ethsw_id_add,
ethsw_id_add_del_no,
ethsw_id_key_end,
},
.cmd_func_offset = offsetof(struct ethsw_command_func,
vlan_set),
.keyword_function = NULL,
}, {
.cmd_keyword = {
ethsw_id_vlan,
ethsw_id_del,
ethsw_id_add_del_no,
ethsw_id_key_end,
},
.cmd_func_offset = offsetof(struct ethsw_command_func,
vlan_set),
.keyword_function = NULL,
}, {
.cmd_keyword = {
ethsw_id_untagged,
ethsw_id_key_end,
},
.cmd_func_offset = -1,
.keyword_function = &ethsw_port_untag_help_key_func,
}, {
.cmd_keyword = {
ethsw_id_untagged,
ethsw_id_help,
ethsw_id_key_end,
},
.cmd_func_offset = -1,
.keyword_function = &ethsw_port_untag_help_key_func,
}, {
.cmd_keyword = {
ethsw_id_untagged,
ethsw_id_show,
ethsw_id_key_end,
},
.cmd_func_offset = offsetof(struct ethsw_command_func,
port_untag_show),
.keyword_function = NULL,
}, {
.cmd_keyword = {
ethsw_id_untagged,
ethsw_id_all,
ethsw_id_key_end,
},
.cmd_func_offset = offsetof(struct ethsw_command_func,
port_untag_set),
.keyword_function = NULL,
}, {
.cmd_keyword = {
ethsw_id_untagged,
ethsw_id_none,
ethsw_id_key_end,
},
.cmd_func_offset = offsetof(struct ethsw_command_func,
port_untag_set),
.keyword_function = NULL,
}, {
.cmd_keyword = {
ethsw_id_untagged,
ethsw_id_pvid,
ethsw_id_key_end,
},
.cmd_func_offset = offsetof(struct ethsw_command_func,
port_untag_set),
.keyword_function = NULL,
}, {
.cmd_keyword = {
ethsw_id_egress,
ethsw_id_tag,
ethsw_id_key_end,
},
.cmd_func_offset = -1,
.keyword_function = &ethsw_egr_tag_help_key_func,
}, {
.cmd_keyword = {
ethsw_id_egress,
ethsw_id_tag,
ethsw_id_help,
ethsw_id_key_end,
},
.cmd_func_offset = -1,
.keyword_function = &ethsw_egr_tag_help_key_func,
}, {
.cmd_keyword = {
ethsw_id_egress,
ethsw_id_tag,
ethsw_id_show,
ethsw_id_key_end,
},
.cmd_func_offset = offsetof(struct ethsw_command_func,
port_egr_vlan_show),
.keyword_function = NULL,
}, {
.cmd_keyword = {
ethsw_id_egress,
ethsw_id_tag,
ethsw_id_pvid,
ethsw_id_key_end,
},
.cmd_func_offset = offsetof(struct ethsw_command_func,
port_egr_vlan_set),
.keyword_function = NULL,
}, {
.cmd_keyword = {
ethsw_id_egress,
ethsw_id_tag,
ethsw_id_classified,
ethsw_id_key_end,
},
.cmd_func_offset = offsetof(struct ethsw_command_func,
port_egr_vlan_set),
.keyword_function = NULL,
}, {
.cmd_keyword = {
ethsw_id_vlan,
ethsw_id_fdb,
ethsw_id_key_end,
},
.cmd_func_offset = -1,
.keyword_function = &ethsw_vlan_learn_help_key_func,
}, {
.cmd_keyword = {
ethsw_id_vlan,
ethsw_id_fdb,
ethsw_id_help,
ethsw_id_key_end,
},
.cmd_func_offset = -1,
.keyword_function = &ethsw_vlan_learn_help_key_func,
}, {
.cmd_keyword = {
ethsw_id_vlan,
ethsw_id_fdb,
ethsw_id_show,
ethsw_id_key_end,
},
.cmd_func_offset = offsetof(struct ethsw_command_func,
vlan_learn_show),
.keyword_function = NULL,
}, {
.cmd_keyword = {
ethsw_id_vlan,
ethsw_id_fdb,
ethsw_id_shared,
ethsw_id_key_end,
},
.cmd_func_offset = offsetof(struct ethsw_command_func,
vlan_learn_set),
.keyword_function = NULL,
}, {
.cmd_keyword = {
ethsw_id_vlan,
ethsw_id_fdb,
ethsw_id_private,
ethsw_id_key_end,
},
.cmd_func_offset = offsetof(struct ethsw_command_func,
vlan_learn_set),
.keyword_function = NULL,
}, {
.cmd_keyword = {
ethsw_id_ingress,
ethsw_id_filtering,
ethsw_id_key_end,
},
.cmd_func_offset = -1,
.keyword_function = &ethsw_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 = &ethsw_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,
},
};
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);
/*
* 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,
},
};
/*
* 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;
}
/* 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(ethsw_cmd_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 = &ethsw_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->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 shows 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"
);
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