diff options
author | Simon Glass <sjg@chromium.org> | 2016-01-17 20:53:52 -0700 |
---|---|---|
committer | Tom Rini <trini@konsulko.com> | 2016-01-25 10:39:43 -0500 |
commit | 2e192b245ed36a63bab0ef576999a95e23f60ecd (patch) | |
tree | ae6197f4a661aea2a19122d9862315695e3f1541 /cmd/ethsw.c | |
parent | 72a8cf8dccf6f8b86d1683205e032a94eaa86938 (diff) | |
download | u-boot-2e192b245ed36a63bab0ef576999a95e23f60ecd.tar.gz |
Remove the cmd_ prefix from command files
Now that they are in their own directory, we can remove this prefix.
This makes it easier to find a file since the prefix does not get in the
way.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Heiko Schocher <hs@denx.de>
Acked-by: Stefan Roese <sr@denx.de>
Acked-by: Przemyslaw Marczak <p.marczak@samsung.com>
Diffstat (limited to 'cmd/ethsw.c')
-rw-r--r-- | cmd/ethsw.c | 1027 |
1 files changed, 1027 insertions, 0 deletions
diff --git a/cmd/ethsw.c b/cmd/ethsw.c new file mode 100644 index 0000000000..8e452e95be --- /dev/null +++ b/cmd/ethsw.c @@ -0,0 +1,1027 @@ +/* + * 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 = ðsw_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 = ðsw_learn_help_key_func, + }, { + .cmd_keyword = { + ethsw_id_learning, + ethsw_id_help, + ethsw_id_key_end, + }, + .cmd_func_offset = -1, + .keyword_function = ðsw_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 = ðsw_fdb_help_key_func, + }, { + .cmd_keyword = { + ethsw_id_fdb, + ethsw_id_help, + ethsw_id_key_end, + }, + .cmd_func_offset = -1, + .keyword_function = ðsw_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 = ðsw_pvid_help_key_func, + }, { + .cmd_keyword = { + ethsw_id_pvid, + ethsw_id_help, + ethsw_id_key_end, + }, + .cmd_func_offset = -1, + .keyword_function = ðsw_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 = ðsw_vlan_help_key_func, + }, { + .cmd_keyword = { + ethsw_id_vlan, + ethsw_id_help, + ethsw_id_key_end, + }, + .cmd_func_offset = -1, + .keyword_function = ðsw_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 = ðsw_port_untag_help_key_func, + }, { + .cmd_keyword = { + ethsw_id_untagged, + ethsw_id_help, + ethsw_id_key_end, + }, + .cmd_func_offset = -1, + .keyword_function = ðsw_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 = ðsw_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 = ðsw_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 = ðsw_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 = ðsw_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 = 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, + }, +}; + +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 = 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->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" +); |