drivers/net/vsc9953: Add commands to manipulate the FDB for VSC9953
The new command:
ethsw [port <port_no>] [vlan <vid>] fdb
{ [help] | show | flush | { add | del } <mac> }
Can be used to add and delete FDB entries. Also, the command can be used
to show entries from the FDB tables. When used with [port <port_no>]
and [vlan <vid>], only the matching the FDB entries can be seen or
flushed. The command has also been added to the generic ethsw parser
from 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>
This commit is contained in:
Codrin Ciubotariu
committed by
York Sun
York Sun
parent
0118e83ba4
commit
22449858f8
@@ -783,6 +783,389 @@ static int vsc9953_port_learn_mode_get(int port_no, enum port_learn_mode *mode)
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return 0;
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}
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/* wait for FDB to become available */
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static int vsc9953_mac_table_poll_idle(void)
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{
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struct vsc9953_analyzer *l2ana_reg;
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u32 timeout;
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l2ana_reg = (struct vsc9953_analyzer *)(VSC9953_OFFSET +
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VSC9953_ANA_OFFSET);
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timeout = 50000;
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while (((in_le32(&l2ana_reg->ana_tables.mac_access) &
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VSC9953_MAC_CMD_MASK) !=
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VSC9953_MAC_CMD_IDLE) && --timeout)
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udelay(1);
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return timeout ? 0 : -EBUSY;
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}
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/* enum describing available commands for the MAC table */
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enum mac_table_cmd {
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MAC_TABLE_READ,
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MAC_TABLE_LOOKUP,
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MAC_TABLE_WRITE,
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MAC_TABLE_LEARN,
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MAC_TABLE_FORGET,
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MAC_TABLE_GET_NEXT,
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MAC_TABLE_AGE,
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};
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/* Issues a command to the FDB table */
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static int vsc9953_mac_table_cmd(enum mac_table_cmd cmd)
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{
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struct vsc9953_analyzer *l2ana_reg;
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l2ana_reg = (struct vsc9953_analyzer *)(VSC9953_OFFSET +
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VSC9953_ANA_OFFSET);
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switch (cmd) {
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case MAC_TABLE_READ:
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clrsetbits_le32(&l2ana_reg->ana_tables.mac_access,
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VSC9953_MAC_CMD_MASK | VSC9953_MAC_CMD_VALID,
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VSC9953_MAC_CMD_READ);
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break;
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case MAC_TABLE_LOOKUP:
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clrsetbits_le32(&l2ana_reg->ana_tables.mac_access,
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VSC9953_MAC_CMD_MASK, VSC9953_MAC_CMD_READ |
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VSC9953_MAC_CMD_VALID);
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break;
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case MAC_TABLE_WRITE:
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clrsetbits_le32(&l2ana_reg->ana_tables.mac_access,
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VSC9953_MAC_CMD_MASK |
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VSC9953_MAC_ENTRYTYPE_MASK,
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VSC9953_MAC_CMD_WRITE |
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VSC9953_MAC_ENTRYTYPE_LOCKED);
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break;
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case MAC_TABLE_LEARN:
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clrsetbits_le32(&l2ana_reg->ana_tables.mac_access,
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VSC9953_MAC_CMD_MASK |
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VSC9953_MAC_ENTRYTYPE_MASK,
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VSC9953_MAC_CMD_LEARN |
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VSC9953_MAC_ENTRYTYPE_LOCKED |
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VSC9953_MAC_CMD_VALID);
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break;
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case MAC_TABLE_FORGET:
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clrsetbits_le32(&l2ana_reg->ana_tables.mac_access,
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VSC9953_MAC_CMD_MASK |
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VSC9953_MAC_ENTRYTYPE_MASK,
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VSC9953_MAC_CMD_FORGET);
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break;
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case MAC_TABLE_GET_NEXT:
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clrsetbits_le32(&l2ana_reg->ana_tables.mac_access,
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VSC9953_MAC_CMD_MASK |
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VSC9953_MAC_ENTRYTYPE_MASK,
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VSC9953_MAC_CMD_NEXT);
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break;
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case MAC_TABLE_AGE:
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clrsetbits_le32(&l2ana_reg->ana_tables.mac_access,
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VSC9953_MAC_CMD_MASK |
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VSC9953_MAC_ENTRYTYPE_MASK,
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VSC9953_MAC_CMD_AGE);
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break;
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default:
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printf("Unknown MAC table command\n");
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}
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if (vsc9953_mac_table_poll_idle() < 0) {
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debug("MAC table timeout\n");
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return -1;
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}
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return 0;
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}
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/* show the FDB entries that correspond to a port and a VLAN */
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static void vsc9953_mac_table_show(int port_no, int vid)
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{
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int rc[VSC9953_MAX_PORTS];
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enum port_learn_mode mode[VSC9953_MAX_PORTS];
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int i;
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u32 val;
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u32 vlan;
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u32 mach;
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u32 macl;
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u32 dest_indx;
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struct vsc9953_analyzer *l2ana_reg;
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l2ana_reg = (struct vsc9953_analyzer *)(VSC9953_OFFSET +
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VSC9953_ANA_OFFSET);
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/* disable auto learning */
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if (port_no == ETHSW_CMD_PORT_ALL) {
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for (i = 0; i < VSC9953_MAX_PORTS; i++) {
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rc[i] = vsc9953_port_learn_mode_get(i, &mode[i]);
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if (!rc[i] && mode[i] != PORT_LEARN_NONE)
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vsc9953_port_learn_mode_set(i, PORT_LEARN_NONE);
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}
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} else {
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rc[port_no] = vsc9953_port_learn_mode_get(port_no,
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&mode[port_no]);
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if (!rc[port_no] && mode[port_no] != PORT_LEARN_NONE)
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vsc9953_port_learn_mode_set(port_no, PORT_LEARN_NONE);
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}
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/* write port and vid to get selected FDB entries */
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val = in_le32(&l2ana_reg->ana.anag_efil);
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if (port_no != ETHSW_CMD_PORT_ALL) {
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val = bitfield_replace_by_mask(val, VSC9953_AGE_PORT_MASK,
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port_no) | VSC9953_AGE_PORT_EN;
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}
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if (vid != ETHSW_CMD_VLAN_ALL) {
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val = bitfield_replace_by_mask(val, VSC9953_AGE_VID_MASK,
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vid) | VSC9953_AGE_VID_EN;
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}
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out_le32(&l2ana_reg->ana.anag_efil, val);
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/* set MAC and VLAN to 0 to look from beginning */
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clrbits_le32(&l2ana_reg->ana_tables.mach_data,
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VSC9953_MAC_VID_MASK | VSC9953_MAC_MACH_MASK);
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out_le32(&l2ana_reg->ana_tables.macl_data, 0);
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/* get entries */
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printf("%10s %17s %5s %4s\n", "EntryType", "MAC", "PORT", "VID");
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do {
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if (vsc9953_mac_table_cmd(MAC_TABLE_GET_NEXT) < 0) {
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debug("GET NEXT MAC table command failed\n");
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break;
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}
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val = in_le32(&l2ana_reg->ana_tables.mac_access);
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/* get out when an invalid entry is found */
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if (!(val & VSC9953_MAC_CMD_VALID))
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break;
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switch (val & VSC9953_MAC_ENTRYTYPE_MASK) {
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case VSC9953_MAC_ENTRYTYPE_NORMAL:
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printf("%10s ", "Dynamic");
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break;
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case VSC9953_MAC_ENTRYTYPE_LOCKED:
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printf("%10s ", "Static");
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break;
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case VSC9953_MAC_ENTRYTYPE_IPV4MCAST:
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printf("%10s ", "IPv4 Mcast");
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break;
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case VSC9953_MAC_ENTRYTYPE_IPV6MCAST:
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printf("%10s ", "IPv6 Mcast");
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break;
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default:
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printf("%10s ", "Unknown");
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}
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dest_indx = bitfield_extract_by_mask(val,
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VSC9953_MAC_DESTIDX_MASK);
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val = in_le32(&l2ana_reg->ana_tables.mach_data);
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vlan = bitfield_extract_by_mask(val, VSC9953_MAC_VID_MASK);
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mach = bitfield_extract_by_mask(val, VSC9953_MAC_MACH_MASK);
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macl = in_le32(&l2ana_reg->ana_tables.macl_data);
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printf("%02x:%02x:%02x:%02x:%02x:%02x ", (mach >> 8) & 0xff,
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mach & 0xff, (macl >> 24) & 0xff, (macl >> 16) & 0xff,
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(macl >> 8) & 0xff, macl & 0xff);
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printf("%5d ", dest_indx);
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printf("%4d\n", vlan);
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} while (1);
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/* set learning mode to previous value */
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if (port_no == ETHSW_CMD_PORT_ALL) {
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for (i = 0; i < VSC9953_MAX_PORTS; i++) {
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if (!rc[i] && mode[i] != PORT_LEARN_NONE)
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vsc9953_port_learn_mode_set(i, mode[i]);
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}
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} else {
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/* If administrative down, skip */
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if (!rc[port_no] && mode[port_no] != PORT_LEARN_NONE)
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vsc9953_port_learn_mode_set(port_no, mode[port_no]);
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}
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/* reset FDB port and VLAN FDB selection */
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clrbits_le32(&l2ana_reg->ana.anag_efil, VSC9953_AGE_PORT_EN |
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VSC9953_AGE_PORT_MASK | VSC9953_AGE_VID_EN |
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VSC9953_AGE_VID_MASK);
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}
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/* Add a static FDB entry */
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static int vsc9953_mac_table_add(u8 port_no, uchar mac[6], int vid)
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{
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u32 val;
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struct vsc9953_analyzer *l2ana_reg;
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l2ana_reg = (struct vsc9953_analyzer *)(VSC9953_OFFSET +
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VSC9953_ANA_OFFSET);
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val = in_le32(&l2ana_reg->ana_tables.mach_data);
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val = bitfield_replace_by_mask(val, VSC9953_MACHDATA_VID_MASK, vid) |
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(mac[0] << 8) | (mac[1] << 0);
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out_le32(&l2ana_reg->ana_tables.mach_data, val);
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out_le32(&l2ana_reg->ana_tables.macl_data,
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(mac[2] << 24) | (mac[3] << 16) | (mac[4] << 8) |
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(mac[5] << 0));
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/* set on which port is the MAC address added */
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val = in_le32(&l2ana_reg->ana_tables.mac_access);
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val = bitfield_replace_by_mask(val, VSC9953_MAC_DESTIDX_MASK, port_no);
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out_le32(&l2ana_reg->ana_tables.mac_access, val);
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if (vsc9953_mac_table_cmd(MAC_TABLE_LEARN) < 0)
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return -1;
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/* check if the MAC address was indeed added */
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val = in_le32(&l2ana_reg->ana_tables.mach_data);
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val = bitfield_replace_by_mask(val, VSC9953_MACHDATA_VID_MASK, vid) |
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(mac[0] << 8) | (mac[1] << 0);
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out_le32(&l2ana_reg->ana_tables.mach_data, val);
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out_le32(&l2ana_reg->ana_tables.macl_data,
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(mac[2] << 24) | (mac[3] << 16) | (mac[4] << 8) |
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(mac[5] << 0));
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if (vsc9953_mac_table_cmd(MAC_TABLE_READ) < 0)
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return -1;
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val = in_le32(&l2ana_reg->ana_tables.mac_access);
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if ((port_no != bitfield_extract_by_mask(val,
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VSC9953_MAC_DESTIDX_MASK))) {
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printf("Failed to add MAC address\n");
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return -1;
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}
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return 0;
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}
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/* Delete a FDB entry */
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static int vsc9953_mac_table_del(uchar mac[6], u16 vid)
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{
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u32 val;
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struct vsc9953_analyzer *l2ana_reg;
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l2ana_reg = (struct vsc9953_analyzer *)(VSC9953_OFFSET +
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VSC9953_ANA_OFFSET);
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/* check first if MAC entry is present */
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val = in_le32(&l2ana_reg->ana_tables.mach_data);
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val = bitfield_replace_by_mask(val, VSC9953_MACHDATA_VID_MASK, vid) |
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(mac[0] << 8) | (mac[1] << 0);
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out_le32(&l2ana_reg->ana_tables.mach_data, val);
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out_le32(&l2ana_reg->ana_tables.macl_data,
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(mac[2] << 24) | (mac[3] << 16) | (mac[4] << 8) |
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(mac[5] << 0));
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if (vsc9953_mac_table_cmd(MAC_TABLE_LOOKUP) < 0) {
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debug("Lookup in the MAC table failed\n");
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return -1;
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}
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if (!(in_le32(&l2ana_reg->ana_tables.mac_access) &
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VSC9953_MAC_CMD_VALID)) {
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printf("The MAC address: %02x:%02x:%02x:%02x:%02x:%02x ",
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mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
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printf("VLAN: %d does not exist.\n", vid);
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return -1;
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}
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/* FDB entry found, proceed to delete */
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val = in_le32(&l2ana_reg->ana_tables.mach_data);
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val = bitfield_replace_by_mask(val, VSC9953_MACHDATA_VID_MASK, vid) |
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(mac[0] << 8) | (mac[1] << 0);
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out_le32(&l2ana_reg->ana_tables.mach_data, val);
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out_le32(&l2ana_reg->ana_tables.macl_data, (mac[2] << 24) |
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(mac[3] << 16) | (mac[4] << 8) | (mac[5] << 0));
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if (vsc9953_mac_table_cmd(MAC_TABLE_FORGET) < 0)
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return -1;
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/* check if the MAC entry is still in FDB */
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val = in_le32(&l2ana_reg->ana_tables.mach_data);
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val = bitfield_replace_by_mask(val, VSC9953_MACHDATA_VID_MASK, vid) |
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(mac[0] << 8) | (mac[1] << 0);
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out_le32(&l2ana_reg->ana_tables.mach_data, val);
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out_le32(&l2ana_reg->ana_tables.macl_data, (mac[2] << 24) |
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(mac[3] << 16) | (mac[4] << 8) | (mac[5] << 0));
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if (vsc9953_mac_table_cmd(MAC_TABLE_LOOKUP) < 0) {
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debug("Lookup in the MAC table failed\n");
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return -1;
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}
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if (in_le32(&l2ana_reg->ana_tables.mac_access) &
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VSC9953_MAC_CMD_VALID) {
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printf("Failed to delete MAC address\n");
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return -1;
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}
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return 0;
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}
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/* age the unlocked entries in FDB */
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static void vsc9953_mac_table_age(int port_no, int vid)
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{
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int rc[VSC9953_MAX_PORTS];
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enum port_learn_mode mode[VSC9953_MAX_PORTS];
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u32 val;
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int i;
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struct vsc9953_analyzer *l2ana_reg;
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l2ana_reg = (struct vsc9953_analyzer *)(VSC9953_OFFSET +
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VSC9953_ANA_OFFSET);
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/* set port and VID for selective aging */
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val = in_le32(&l2ana_reg->ana.anag_efil);
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if (port_no != ETHSW_CMD_PORT_ALL) {
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/* disable auto learning */
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rc[port_no] = vsc9953_port_learn_mode_get(port_no,
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&mode[port_no]);
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if (!rc[port_no] && mode[port_no] != PORT_LEARN_NONE)
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vsc9953_port_learn_mode_set(port_no, PORT_LEARN_NONE);
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val = bitfield_replace_by_mask(val, VSC9953_AGE_PORT_MASK,
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port_no) | VSC9953_AGE_PORT_EN;
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} else {
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/* disable auto learning on all ports */
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for (i = 0; i < VSC9953_MAX_PORTS; i++) {
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rc[i] = vsc9953_port_learn_mode_get(i, &mode[i]);
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if (!rc[i] && mode[i] != PORT_LEARN_NONE)
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vsc9953_port_learn_mode_set(i, PORT_LEARN_NONE);
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}
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}
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if (vid != ETHSW_CMD_VLAN_ALL) {
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val = bitfield_replace_by_mask(val, VSC9953_AGE_VID_MASK, vid) |
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VSC9953_AGE_VID_EN;
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}
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out_le32(&l2ana_reg->ana.anag_efil, val);
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/* age the dynamic FDB entries */
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vsc9953_mac_table_cmd(MAC_TABLE_AGE);
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/* clear previously set port and VID */
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clrbits_le32(&l2ana_reg->ana.anag_efil, VSC9953_AGE_PORT_EN |
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VSC9953_AGE_PORT_MASK | VSC9953_AGE_VID_EN |
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VSC9953_AGE_VID_MASK);
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if (port_no != ETHSW_CMD_PORT_ALL) {
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if (!rc[port_no] && mode[port_no] != PORT_LEARN_NONE)
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vsc9953_port_learn_mode_set(port_no, mode[port_no]);
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} else {
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for (i = 0; i < VSC9953_MAX_PORTS; i++) {
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if (!rc[i] && mode[i] != PORT_LEARN_NONE)
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vsc9953_port_learn_mode_set(i, mode[i]);
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}
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}
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}
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/* Delete all the dynamic FDB entries */
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static void vsc9953_mac_table_flush(int port, int vid)
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{
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vsc9953_mac_table_age(port, vid);
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vsc9953_mac_table_age(port, vid);
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}
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static int vsc9953_port_status_key_func(struct ethsw_command_def *parsed_cmd)
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{
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int i;
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@@ -949,6 +1332,91 @@ static int vsc9953_learn_set_key_func(struct ethsw_command_def *parsed_cmd)
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return CMD_RET_SUCCESS;
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}
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|
||||
static int vsc9953_fdb_show_key_func(struct ethsw_command_def *parsed_cmd)
|
||||
{
|
||||
if (parsed_cmd->port != ETHSW_CMD_PORT_ALL &&
|
||||
!VSC9953_PORT_CHECK(parsed_cmd->port)) {
|
||||
printf("Invalid port number: %d\n", parsed_cmd->port);
|
||||
return CMD_RET_FAILURE;
|
||||
}
|
||||
|
||||
if (parsed_cmd->vid != ETHSW_CMD_VLAN_ALL &&
|
||||
!VSC9953_VLAN_CHECK(parsed_cmd->vid)) {
|
||||
printf("Invalid VID number: %d\n", parsed_cmd->vid);
|
||||
return CMD_RET_FAILURE;
|
||||
}
|
||||
|
||||
vsc9953_mac_table_show(parsed_cmd->port, parsed_cmd->vid);
|
||||
|
||||
return CMD_RET_SUCCESS;
|
||||
}
|
||||
|
||||
static int vsc9953_fdb_flush_key_func(struct ethsw_command_def *parsed_cmd)
|
||||
{
|
||||
if (parsed_cmd->port != ETHSW_CMD_PORT_ALL &&
|
||||
!VSC9953_PORT_CHECK(parsed_cmd->port)) {
|
||||
printf("Invalid port number: %d\n", parsed_cmd->port);
|
||||
return CMD_RET_FAILURE;
|
||||
}
|
||||
|
||||
if (parsed_cmd->vid != ETHSW_CMD_VLAN_ALL &&
|
||||
!VSC9953_VLAN_CHECK(parsed_cmd->vid)) {
|
||||
printf("Invalid VID number: %d\n", parsed_cmd->vid);
|
||||
return CMD_RET_FAILURE;
|
||||
}
|
||||
|
||||
vsc9953_mac_table_flush(parsed_cmd->port, parsed_cmd->vid);
|
||||
|
||||
return CMD_RET_SUCCESS;
|
||||
}
|
||||
|
||||
static int vsc9953_fdb_entry_add_key_func(struct ethsw_command_def *parsed_cmd)
|
||||
{
|
||||
int vid;
|
||||
|
||||
/* a port number must be present */
|
||||
if (parsed_cmd->port == ETHSW_CMD_PORT_ALL) {
|
||||
printf("Please specify a port\n");
|
||||
return CMD_RET_FAILURE;
|
||||
}
|
||||
|
||||
if (!VSC9953_PORT_CHECK(parsed_cmd->port)) {
|
||||
printf("Invalid port number: %d\n", parsed_cmd->port);
|
||||
return CMD_RET_FAILURE;
|
||||
}
|
||||
|
||||
/* Use VLAN 1 if VID is not set */
|
||||
vid = (parsed_cmd->vid == ETHSW_CMD_VLAN_ALL ? 1 : parsed_cmd->vid);
|
||||
|
||||
if (!VSC9953_VLAN_CHECK(vid)) {
|
||||
printf("Invalid VID number: %d\n", vid);
|
||||
return CMD_RET_FAILURE;
|
||||
}
|
||||
|
||||
if (vsc9953_mac_table_add(parsed_cmd->port, parsed_cmd->ethaddr, vid))
|
||||
return CMD_RET_FAILURE;
|
||||
|
||||
return CMD_RET_SUCCESS;
|
||||
}
|
||||
|
||||
static int vsc9953_fdb_entry_del_key_func(struct ethsw_command_def *parsed_cmd)
|
||||
{
|
||||
int vid;
|
||||
|
||||
/* Use VLAN 1 if VID is not set */
|
||||
vid = (parsed_cmd->vid == ETHSW_CMD_VLAN_ALL ? 1 : parsed_cmd->vid);
|
||||
|
||||
if (!VSC9953_VLAN_CHECK(vid)) {
|
||||
printf("Invalid VID number: %d\n", vid);
|
||||
return CMD_RET_FAILURE;
|
||||
}
|
||||
|
||||
if (vsc9953_mac_table_del(parsed_cmd->ethaddr, vid))
|
||||
return CMD_RET_FAILURE;
|
||||
|
||||
return CMD_RET_SUCCESS;
|
||||
}
|
||||
|
||||
static struct ethsw_command_func vsc9953_cmd_func = {
|
||||
.ethsw_name = "L2 Switch VSC9953",
|
||||
.port_enable = &vsc9953_port_status_key_func,
|
||||
@@ -958,6 +1426,10 @@ static struct ethsw_command_func vsc9953_cmd_func = {
|
||||
.port_stats_clear = &vsc9953_port_stats_clear_key_func,
|
||||
.port_learn = &vsc9953_learn_set_key_func,
|
||||
.port_learn_show = &vsc9953_learn_show_key_func,
|
||||
.fdb_show = &vsc9953_fdb_show_key_func,
|
||||
.fdb_flush = &vsc9953_fdb_flush_key_func,
|
||||
.fdb_entry_add = &vsc9953_fdb_entry_add_key_func,
|
||||
.fdb_entry_del = &vsc9953_fdb_entry_del_key_func,
|
||||
};
|
||||
|
||||
#endif /* CONFIG_CMD_ETHSW */
|
||||
|
||||
Reference in New Issue
Block a user