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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2010 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
/*
* This header file contains the data structures which the
* virtual switch (vsw) uses to communicate with its clients and
* the outside world.
*/
#ifndef _VSW_H
#define _VSW_H
#ifdef __cplusplus
extern "C" {
#endif
#include <sys/vio_mailbox.h>
#include <sys/vnet_common.h>
#include <sys/ethernet.h>
#include <sys/mac_client.h>
#include <sys/vio_util.h>
#include <sys/vgen_stats.h>
#include <sys/vsw_ldc.h>
#include <sys/vsw_hio.h>
#include <sys/callb.h>
#define DRV_NAME "vsw"
/*
* Only support ETHER mtu at moment.
*/
#define VSW_MTU ETHERMAX
/* ID of the source of a frame being switched */
#define VSW_PHYSDEV 1 /* physical device associated */
#define VSW_VNETPORT 2 /* port connected to vnet (over ldc) */
#define VSW_LOCALDEV 4 /* vsw configured as an eth interface */
/*
* Number of hash chains in the multicast forwarding database.
*/
#define VSW_NCHAINS 8
/* Number of descriptors - must be power of 2 */
#define VSW_NUM_DESCRIPTORS 512
/*
* State of interface if switch plumbed as network device.
*/
#define VSW_IF_REG 0x1 /* interface was registered */
#define VSW_IF_UP 0x2 /* Interface UP */
#define VSW_IF_PROMISC 0x4 /* Interface in promiscious mode */
#define VSW_U_P(state) \
(state == (VSW_IF_UP | VSW_IF_PROMISC))
/*
* Switching modes.
*/
#define VSW_LAYER2 0x1 /* Layer 2 - MAC switching */
#define VSW_LAYER2_PROMISC 0x2 /* Layer 2 + promisc mode */
#define VSW_LAYER3 0x4 /* Layer 3 - IP switching */
#define NUM_SMODES 3 /* number of switching modes */
#define VSW_PRI_ETH_DEFINED(vswp) ((vswp)->pri_num_types != 0)
typedef enum {
VSW_SWTHR_STOP = 0x1
} sw_thr_flags_t;
typedef enum {
PROG_init = 0x00,
PROG_locks = 0x01,
PROG_readmd = 0x02,
PROG_fdb = 0x04,
PROG_mfdb = 0x08,
PROG_taskq = 0x10,
PROG_rxp_taskq = 0x20,
PROG_swmode = 0x40,
PROG_macreg = 0x80,
PROG_mdreg = 0x100
} vsw_attach_progress_t;
/*
* vlan-id information.
*/
typedef struct vsw_vlanid {
uint16_t vl_vid; /* vlan-id */
mac_unicast_handle_t vl_muh; /* mac unicast handle */
boolean_t vl_set; /* set? */
} vsw_vlanid_t;
/*
* vsw instance state information.
*/
typedef struct vsw {
int instance; /* instance # */
dev_info_t *dip; /* associated dev_info */
uint64_t regprop; /* "reg" property */
vsw_attach_progress_t attach_progress; /* attach progress flags */
struct vsw *next; /* next in list */
char physname[LIFNAMSIZ]; /* phys-dev */
uint8_t smode; /* switching mode */
kmutex_t sw_thr_lock; /* setup switching thr lock */
kcondvar_t sw_thr_cv; /* cv for setup switching thr */
kthread_t *sw_thread; /* setup switching thread */
sw_thr_flags_t sw_thr_flags; /* setup switching thr flags */
uint32_t switching_setup_done; /* setup switching done */
int mac_open_retries; /* mac_open() retry count */
vsw_port_list_t plist; /* associated ports */
ddi_taskq_t *taskq_p; /* VIO ctrl msg taskq */
mod_hash_t *fdb_hashp; /* forwarding database */
uint32_t fdb_nchains; /* # of hash chains in fdb */
mod_hash_t *vlan_hashp; /* vlan hash table */
uint32_t vlan_nchains; /* # of vlan hash chains */
uint32_t mtu; /* mtu of the device */
uint32_t max_frame_size; /* max frame size supported */
uint32_t mtu_physdev_orig; /* orig mtu of the physdev */
mod_hash_t *mfdb; /* multicast FDB */
krwlock_t mfdbrw; /* rwlock for mFDB */
ddi_taskq_t *rxp_taskq; /* VIO rx pool taskq */
void (*vsw_switch_frame)
(struct vsw *, mblk_t *, int,
vsw_port_t *, mac_resource_handle_t);
/* mac layer */
kmutex_t mac_lock; /* protect mh */
mac_handle_t mh;
krwlock_t maccl_rwlock; /* protect fields below */
mac_client_handle_t mch; /* mac client handle */
mac_unicast_handle_t muh; /* mac unicast handle */
mac_notify_handle_t mnh; /* mac notify handle */
boolean_t recfg_reqd; /* Reconfig of addrs needed */
/* mac layer switching flag */
boolean_t mac_cl_switching;
/* Machine Description updates */
mdeg_node_spec_t *inst_spec;
mdeg_handle_t mdeg_hdl;
mdeg_handle_t mdeg_port_hdl;
/* if configured as an ethernet interface */
mac_handle_t if_mh; /* MAC handle */
struct ether_addr if_addr; /* interface address */
krwlock_t if_lockrw;
uint8_t if_state; /* interface state */
boolean_t addr_set; /* is addr set to HW */
/* multicast addresses when configured as eth interface */
kmutex_t mca_lock; /* multicast lock */
mcst_addr_t *mcap; /* list of multicast addrs */
uint32_t pri_num_types; /* # of priority eth types */
uint16_t *pri_types; /* priority eth types */
vio_mblk_pool_t *pri_tx_vmp; /* tx priority mblk pool */
uint16_t default_vlan_id; /* default vlan id */
uint16_t pvid; /* port vlan id (untagged) */
vsw_vlanid_t *vids; /* vlan ids (tagged) */
uint16_t nvids; /* # of vids */
uint32_t vids_size; /* size alloc'd for vids list */
/* HybridIO related fields */
boolean_t hio_capable; /* Phys dev HIO capable */
vsw_hio_t vhio; /* HybridIO info */
callb_id_t hio_reboot_cb_id; /* Reboot callb ID */
callb_id_t hio_panic_cb_id; /* Panic callb ID */
/* Link-state related fields */
boolean_t phys_no_link_update; /* no link-update supp */
boolean_t pls_update; /* phys link state update ? */
link_state_t phys_link_state; /* physical link state */
/* bandwidth related fields */
uint64_t bandwidth; /* bandwidth limit */
} vsw_t;
/*
* The flags that are used by vsw_mac_rx().
*/
typedef enum {
VSW_MACRX_PROMISC = 0x01,
VSW_MACRX_COPYMSG = 0x02,
VSW_MACRX_FREEMSG = 0x04
} vsw_macrx_flags_t;
#ifdef DEBUG
extern int vswdbg;
extern void vswdebug(vsw_t *vswp, const char *fmt, ...);
#define D1(...) \
if (vswdbg & 0x01) \
vswdebug(__VA_ARGS__)
#define D2(...) \
if (vswdbg & 0x02) \
vswdebug(__VA_ARGS__)
#define D3(...) \
if (vswdbg & 0x04) \
vswdebug(__VA_ARGS__)
#define DWARN(...) \
if (vswdbg & 0x08) \
vswdebug(__VA_ARGS__)
#define DERR(...) \
if (vswdbg & 0x10) \
vswdebug(__VA_ARGS__)
#else
#define DERR(...) if (0) do { } while (0)
#define DWARN(...) if (0) do { } while (0)
#define D1(...) if (0) do { } while (0)
#define D2(...) if (0) do { } while (0)
#define D3(...) if (0) do { } while (0)
#endif /* DEBUG */
#ifdef __cplusplus
}
#endif
#endif /* _VSW_H */
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