[etherswitch] add the first pass of a simple API to flush and fetch the L2 address table from the ethernet switch.
This stuff may be a bit fluid during this -HEAD cycle as various other switch features are added, but the current stuff is enough to drive initial development and features on the atheros range of integrated and external switches. * add a method to flush the whole address table; * add a method to flush all addresses on a given port; * add a method to download the address table; * .. and then a method to fetch entries from the address table. The table fetch/read methods pass through to the drivers for now since the drivers may implement different ways of fetching/caching the address table data. The atheros devices for example fetch the table by iterating over the table through a set of registers and so you need to keep that locked whilst you iterate otherwise you may have the table flushed half way by a port status change. This is a no-op until the userland and arswitch code shows up.
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svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=328766
@ -144,6 +144,7 @@ etherswitchioctl(struct cdev *cdev, u_long cmd, caddr_t data, int flags, struct
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etherswitch_info_t *info;
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etherswitch_reg_t *reg;
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etherswitch_phyreg_t *phyreg;
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etherswitch_portid_t *portid;
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int error = 0;
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switch (cmd) {
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@ -202,6 +203,23 @@ etherswitchioctl(struct cdev *cdev, u_long cmd, caddr_t data, int flags, struct
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error = ETHERSWITCH_SETCONF(etherswitch, (etherswitch_conf_t *)data);
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break;
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case IOETHERSWITCHFLUSHALL:
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error = ETHERSWITCH_FLUSH_ALL(etherswitch);
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break;
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case IOETHERSWITCHFLUSHPORT:
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portid = (etherswitch_portid_t *)data;
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error = ETHERSWITCH_FLUSH_PORT(etherswitch, portid->es_port);
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break;
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case IOETHERSWITCHGETTABLE:
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error = ETHERSWITCH_FETCH_TABLE(etherswitch, (void *) data);
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break;
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case IOETHERSWITCHGETTABLEENTRY:
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error = ETHERSWITCH_FETCH_TABLE_ENTRY(etherswitch, (void *) data);
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break;
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default:
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error = ENOTTY;
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}
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@ -6,6 +6,7 @@
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#define __SYS_DEV_ETHERSWITCH_ETHERSWITCH_H
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#include <sys/ioccom.h>
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#include <net/ethernet.h>
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#ifdef _KERNEL
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extern devclass_t etherswitch_devclass;
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@ -101,6 +102,28 @@ typedef struct etherswitch_vlangroup etherswitch_vlangroup_t;
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#define ETHERSWITCH_PORTMASK(_port) (1 << (_port))
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struct etherswitch_portid {
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int es_port;
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};
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typedef struct etherswitch_portid etherswitch_portid_t;
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struct etherswitch_atu_entry {
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int id;
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int es_portmask;
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uint8_t es_macaddr[ETHER_ADDR_LEN];
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};
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typedef struct etherswitch_atu_entry etherswitch_atu_entry_t;
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struct etherswitch_atu_table {
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uint32_t es_nitems;
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};
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typedef struct etherswitch_atu_table etherswitch_atu_table_t;
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struct etherswitch_atu_flush_macentry {
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uint8_t es_macaddr[ETHER_ADDR_LEN];
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};
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typedef struct etherswitch_atu_flush_macentry etherswitch_atu_flush_macentry_t;
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#define IOETHERSWITCHGETINFO _IOR('i', 1, etherswitch_info_t)
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#define IOETHERSWITCHGETREG _IOWR('i', 2, etherswitch_reg_t)
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#define IOETHERSWITCHSETREG _IOW('i', 3, etherswitch_reg_t)
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@ -112,5 +135,10 @@ typedef struct etherswitch_vlangroup etherswitch_vlangroup_t;
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#define IOETHERSWITCHSETPHYREG _IOW('i', 9, etherswitch_phyreg_t)
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#define IOETHERSWITCHGETCONF _IOR('i', 10, etherswitch_conf_t)
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#define IOETHERSWITCHSETCONF _IOW('i', 11, etherswitch_conf_t)
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#define IOETHERSWITCHFLUSHALL _IOW('i', 12, etherswitch_portid_t) /* Dummy */
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#define IOETHERSWITCHFLUSHPORT _IOW('i', 13, etherswitch_portid_t)
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#define IOETHERSWITCHFLUSHMAC _IOW('i', 14, etherswitch_atu_flush_macentry_t)
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#define IOETHERSWITCHGETTABLE _IOWR('i', 15, etherswitch_atu_table_t)
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#define IOETHERSWITCHGETTABLEENTRY _IOWR('i', 16, etherswitch_atu_entry_t)
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#endif
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@ -35,6 +35,45 @@ CODE {
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{
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return (0);
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}
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static int
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null_etherswitch_flush_all(device_t dev)
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{
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return (ENXIO);
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}
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static int
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null_etherswitch_flush_port(device_t dev, int port)
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{
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return (ENXIO);
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}
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static int
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null_etherswitch_flush_mac(device_t dev,
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etherswitch_atu_flush_macentry_t *e)
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{
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return (ENXIO);
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}
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static int
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null_etherswitch_fetch_table(device_t dev,
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etherswitch_atu_table_t *table)
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{
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table->es_nitems = 0;
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return (ENXIO);
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}
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static int
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null_etherswitch_fetch_entry(device_t dev,
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etherswitch_atu_entry_t *e)
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{
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return (ENXIO);
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}
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};
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#
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@ -141,3 +180,42 @@ METHOD int setconf {
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device_t dev;
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etherswitch_conf_t *conf;
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} DEFAULT null_etherswitch_setconf;
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#
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# Flush all of the programmed/learnt MAC addresses
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#
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METHOD int flush_all {
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device_t dev;
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} DEFAULT null_etherswitch_flush_all;
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#
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# Flush a single MAC address entry
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#
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METHOD int flush_mac {
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device_t dev;
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etherswitch_atu_flush_macentry_t *entry;
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} DEFAULT null_etherswitch_flush_mac;
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#
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# Flush all of the dynamic MAC addresses on a given port
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#
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METHOD int flush_port {
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device_t dev;
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int port;
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} DEFAULT null_etherswitch_flush_port;
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#
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# Fetch the address table from the ethernet switch.
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#
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METHOD int fetch_table {
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device_t dev;
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etherswitch_atu_table_t *table;
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} DEFAULT null_etherswitch_fetch_table;
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#
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# Fetch a single entry from the ethernet switch table.
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#
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METHOD int fetch_table_entry {
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device_t dev;
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etherswitch_atu_entry_t *entry;
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} DEFAULT null_etherswitch_fetch_entry;
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