The command:
ethsw [port <port_no>] learning { [help] | show | auto | disable }
can be used to enable/disable HW learning on a port.
Signed-off-by: Johnson Leung <johnson.le...@freescale.com>
Signed-off-by: Codrin Ciubotariu <codrin.ciubota...@freescale.com>
Change-Id: Id05691c342d9a9b253e591d9c64a8e13225c5e56
---
drivers/net/vsc9953.c | 188 ++++++++++++++++++++++++++++++++++++++++++++++++++
include/vsc9953.h | 6 ++
2 files changed, 194 insertions(+)
diff --git a/drivers/net/vsc9953.c b/drivers/net/vsc9953.c
index 62ab0eb..1936c4a 100644
--- a/drivers/net/vsc9953.c
+++ b/drivers/net/vsc9953.c
@@ -672,6 +672,73 @@ static void vsc9953_port_config_show(int port_no)
printf("%8s\n", duplex == DUPLEX_FULL ? "full" : "half");
}
+enum port_learn_mode {
+ PORT_LEARN_NONE,
+ PORT_LEARN_AUTO
+};
+
+/* Set learning configuration for a VSC9953 port */
+static void vsc9953_port_learn_mode_set(int port_no, enum port_learn_mode mode)
+{
+ struct vsc9953_analyzer *l2ana_reg;
+
+ /* Administrative down */
+ if (!vsc9953_l2sw.port[port_no].enabled) {
+ printf("Port %d is administrative down\n", port_no);
+ return;
+ }
+
+ l2ana_reg = (struct vsc9953_analyzer *)(VSC9953_OFFSET +
+ VSC9953_ANA_OFFSET);
+
+ switch (mode) {
+ case PORT_LEARN_NONE:
+ clrbits_le32(&l2ana_reg->port[port_no].port_cfg,
+ CONFIG_VSC9953_PORT_CFG_LEARN_DROP |
+ CONFIG_VSC9953_PORT_CFG_LEARN_CPU |
+ CONFIG_VSC9953_PORT_CFG_LEARN_AUTO |
+ CONFIG_VSC9953_PORT_CFG_LEARN_ENA);
+ break;
+ case PORT_LEARN_AUTO:
+ clrsetbits_le32(&l2ana_reg->port[port_no].port_cfg,
+ CONFIG_VSC9953_PORT_CFG_LEARN_DROP |
+ CONFIG_VSC9953_PORT_CFG_LEARN_CPU,
+ CONFIG_VSC9953_PORT_CFG_LEARN_ENA |
+ CONFIG_VSC9953_PORT_CFG_LEARN_AUTO);
+ break;
+ default:
+ printf("Unknown learn mode for port %d\n", port_no);
+ }
+}
+
+/* Get learning configuration for a VSC9953 port */
+static int vsc9953_port_learn_mode_get(int port_no, enum port_learn_mode *mode)
+{
+ u32 val;
+ struct vsc9953_analyzer *l2ana_reg;
+
+ /* Administrative down */
+ if (!vsc9953_l2sw.port[port_no].enabled) {
+ printf("Port %d is administrative down\n", port_no);
+ return -1;
+ }
+
+ l2ana_reg = (struct vsc9953_analyzer *)(VSC9953_OFFSET +
+ VSC9953_ANA_OFFSET);
+
+ /* For now we only support HW learning (auto) and no learning */
+ val = in_le32(&l2ana_reg->port[port_no].port_cfg);
+ if ((val & (CONFIG_VSC9953_PORT_CFG_LEARN_ENA |
+ CONFIG_VSC9953_PORT_CFG_LEARN_AUTO)) ==
+ (CONFIG_VSC9953_PORT_CFG_LEARN_ENA |
+ CONFIG_VSC9953_PORT_CFG_LEARN_AUTO))
+ *mode = PORT_LEARN_AUTO;
+ else
+ *mode = PORT_LEARN_NONE;
+
+ return 0;
+}
+
/* Show VSC9953 ports' statistics */
static void vsc9953_port_statistics_show(int port_no)
{
@@ -895,6 +962,8 @@ enum keyword_id {
id_disable,
id_statistics,
id_clear,
+ id_learning,
+ id_auto,
id_count, /* keep last */
};
@@ -1002,6 +1071,84 @@ static int vsc9953_port_stats_clear_key_func(struct
command_def *parsed_cmd)
return 0;
}
+#define VSC9953_LEARN_HELP "ethsw [port <port_no>] learning " \
+"{ [help] | show | auto | disable } " \
+"- enable/disable/show learning configuration on a port"
+
+static int vsc9953_learn_help_key_func(struct command_def *parsed_cmd)
+{
+ printf(VSC9953_LEARN_HELP"\n");
+
+ return 0;
+}
+
+static int vsc9953_learn_show_key_func(struct command_def *parsed_cmd)
+{
+ int i;
+ enum port_learn_mode mode;
+
+ if (parsed_cmd->port != VSC9953_CMD_PORT_ALL) {
+ if (vsc9953_port_learn_mode_get(parsed_cmd->port, &mode))
+ return -1;
+ printf("%7s %11s\n", "Port", "Learn mode");
+ switch (mode) {
+ case PORT_LEARN_NONE:
+ printf("%7d %11s\n", parsed_cmd->port, "disable");
+ break;
+ case PORT_LEARN_AUTO:
+ printf("%7d %11s\n", parsed_cmd->port, "auto");
+ break;
+ default:
+ printf("%7d %11s\n", parsed_cmd->port, "-");
+ }
+ } else {
+ printf("%7s %11s\n", "Port", "Learn mode");
+ for (i = 0; i < VSC9953_MAX_PORTS; i++) {
+ if (vsc9953_port_learn_mode_get(i, &mode))
+ continue;
+ switch (mode) {
+ case PORT_LEARN_NONE:
+ printf("%7d %11s\n", i, "disable");
+ break;
+ case PORT_LEARN_AUTO:
+ printf("%7d %11s\n", i, "auto");
+ break;
+ default:
+ printf("%7d %11s\n", i, "-");
+ }
+ }
+ }
+
+ return 0;
+}
+
+static int vsc9953_learn_set_key_func(struct command_def *parsed_cmd)
+{
+ int i;
+ enum port_learn_mode mode;
+
+ /* Last keyword should tell us the learn mode */
+ if (parsed_cmd->cmd_to_keywords[parsed_cmd->cmd_keywords_nr - 1] ==
+ id_auto)
+ mode = PORT_LEARN_AUTO;
+ else if (parsed_cmd->cmd_to_keywords[parsed_cmd->cmd_keywords_nr - 1] ==
+ id_disable)
+ mode = PORT_LEARN_NONE;
+ else {
+ parsed_cmd->err = 1;
+ return -1;
+ }
+
+ if (parsed_cmd->port != VSC9953_CMD_PORT_ALL) {
+ vsc9953_port_learn_mode_set(parsed_cmd->port, mode);
+ } else {
+ for (i = 0; i < VSC9953_MAX_PORTS; i++)
+ vsc9953_port_learn_mode_set(i, mode);
+ }
+
+ return 0;
+}
+
struct keywords_to_function {
enum keyword_id cmd_keyword[VSC9953_MAX_CMD_PARAMS];
int (*keyword_function)(struct command_def *parsed_cmd);
@@ -1044,6 +1191,40 @@ struct keywords_to_function {
id_key_end,
},
.keyword_function = &vsc9953_port_stats_clear_key_func,
+ }, {
+ .cmd_keyword = {
+ id_learning,
+ id_key_end,
+ },
+ .keyword_function = &vsc9953_learn_help_key_func,
+ }, {
+ .cmd_keyword = {
+ id_learning,
+ id_help,
+ id_key_end,
+ },
+ .keyword_function = &vsc9953_learn_help_key_func,
+ }, {
+ .cmd_keyword = {
+ id_learning,
+ id_show,
+ id_key_end,
+ },
+ .keyword_function = &vsc9953_learn_show_key_func,
+ }, {
+ .cmd_keyword = {
+ id_learning,
+ id_auto,
+ id_key_end,
+ },
+ .keyword_function = &vsc9953_learn_set_key_func,
+ }, {
+ .cmd_keyword = {
+ id_learning,
+ id_disable,
+ id_key_end,
+ },
+ .keyword_function = &vsc9953_learn_set_key_func,
},
};
@@ -1095,6 +1276,12 @@ struct keyword_def {
}, {
.keyword_name = "clear",
.match = &keyword_match_gen,
+ }, {
+ .keyword_name = "learning",
+ .match = &keyword_match_gen,
+ }, {
+ .keyword_name = "auto",
+ .match = &keyword_match_gen,
},
};
@@ -1273,6 +1460,7 @@ U_BOOT_CMD(ethsw, VSC9953_MAX_CMD_PARAMS, 0, do_ethsw,
"vsc9953 l2 switch commands",
VSC9953_PORT_CONF_HELP"\n"
VSC9953_PORT_STATS_HELP"\n"
+ VSC9953_LEARN_HELP"\n"
);
#endif /* CONFIG_VSC9953_CMD */
diff --git a/include/vsc9953.h b/include/vsc9953.h
index 482acac..59c85c3 100644
--- a/include/vsc9953.h
+++ b/include/vsc9953.h
@@ -112,6 +112,12 @@
#define CONFIG_VSC9953_VLAN_CMD_WRITE 0x00000002
#define CONFIG_VSC9953_VLAN_CMD_INIT 0x00000003
+/* Macros for vsc9953_ana_port.port_cfg register */
+#define CONFIG_VSC9953_PORT_CFG_LEARN_ENA 0x00000080
+#define CONFIG_VSC9953_PORT_CFG_LEARN_AUTO 0x00000100
+#define CONFIG_VSC9953_PORT_CFG_LEARN_CPU 0x00000200
+#define CONFIG_VSC9953_PORT_CFG_LEARN_DROP 0x00000400
+
/* Macros for vsc9953_qsys_sys.switch_port_mode register */
#define CONFIG_VSC9953_PORT_ENA 0x00002000
--
1.9.3
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