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-rw-r--r--common/cmd_ethsw.c1027
1 files changed, 1027 insertions, 0 deletions
diff --git a/common/cmd_ethsw.c b/common/cmd_ethsw.c
new file mode 100644
index 0000000..8e452e9
--- /dev/null
+++ b/common/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 = &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"
+);
generated by cgit v1.1 at 2024-11-13 18:36:39 +0000