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/*
* Copyright(c) 2009 Intel Corporation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along with
* this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
*
* Maintained at www.Open-FCoE.org
*/
#ifndef _FCOEMON_H_
#define _FCOEMON_H_
#include "fcoe_utils.h"
struct fcoe_config {
int debug;
int use_syslog;
int dcb_init;
struct fcoe_port *port;
} fcoe_config;
/*
* Log message.
*/
#define FCM_LOG(...) \
do { \
sa_log(__VA_ARGS__); \
} while (0)
#define FCM_LOG_ERR(error, ...) \
do { \
sa_log_err(error, NULL, __VA_ARGS__); \
} while (0)
#define FCM_LOG_DBG(fmt, args...) \
do { \
sa_log_debug(fmt, ##args); \
} while (0)
#define FCM_LOG_DEV_DBG(fcm, fmt, args...) \
do { \
sa_log_debug("%s, " fmt, fcm->ifname, ##args); \
} while (0)
#define FCM_LOG_DEV(fcm, fmt, args...) \
do { \
sa_log("%s, " fmt, fcm->ifname, ##args); \
} while (0)
/*
* States for HBAs relative to the DCB daemon.
* States advance sequentially if conditions are right.
*/
enum fcm_dcbd_state {
FCD_INIT = 0, /* starting state */
FCD_GET_DCB_STATE, /* getting DCB state */
FCD_SEND_CONF, /* set proposed configuration */
FCD_GET_PFC_CONFIG, /* getting PFC configuration */
FCD_GET_APP_CONFIG, /* getting APP configuration */
FCD_GET_PFC_OPER, /* getting PFC operational mode */
FCD_GET_APP_OPER, /* getting operational mode */
FCD_GET_PEER, /* getting peer configuration */
FCD_DONE, /* DCB exchanges complete */
FCD_ERROR, /* DCB error or port unknown by DCB */
};
/*
* States for IEEE DCB devices.
*/
enum ieee_state {
IEEE_INIT = 0, /* Starting state */
IEEE_GET_STATE, /* Getting IEEE DCB state */
IEEE_DONE, /* Received IEEE DCB state */
IEEE_ACTIVE, /* IEEE is in ACTIVE state */
IEEE_ERROR, /* Error receiving IEEE DCB state */
};
#define MSG_RBUF sizeof(int)
struct sock_info {
int sock;
struct sockaddr_un from;
socklen_t fromlen;
};
/*
* Action codes for FCoE ports
*/
enum fcp_action {
FCP_WAIT = 0, /* waiting for something to happen */
FCP_CREATE_IF, /* create FCoE interface */
FCP_DESTROY_IF, /* destroy FCoE interface */
FCP_RESET_IF, /* reset FCoE interface */
FCP_SCAN_IF, /* scan FCoE interface */
FCP_ENABLE_IF, /* enable FCoE interface */
FCP_DISABLE_IF, /* disable FCoE interface */
FCP_ACTIVATE_IF, /* create or enable FCoE interface */
FCP_ERROR, /* error condition */
FCP_VLAN_DISC, /* start VLAN discovery */
};
#define FCM_DCBD_STATES { \
{ "INIT", FCD_INIT }, \
{ "GET_DCB_STATE", FCD_GET_DCB_STATE }, \
{ "SEND_CONF", FCD_SEND_CONF }, \
{ "GET_PFC_CONFIG", FCD_GET_PFC_CONFIG }, \
{ "GET_APP_CONFIG", FCD_GET_APP_CONFIG }, \
{ "GET_PFC_OPER", FCD_GET_PFC_OPER }, \
{ "GET_APP_OPER", FCD_GET_APP_OPER }, \
{ "GET_PEER", FCD_GET_PEER }, \
{ "DONE", FCD_DONE }, \
{ "ERROR", FCD_ERROR }, \
{ NULL, 0 } \
}
struct feature_info {
u_int32_t enable; /* enable/disable feature */
u_int32_t advertise; /* enable/disable advertise */
u_int32_t willing; /* enable/disable willing mode */
u_int32_t syncd; /* synchronized with switch */
u_int32_t op_mode; /* operational mode */
u_int32_t op_vers; /* feature operational version */
u_int32_t op_error; /* operational error */
u_int32_t subtype; /* subtype */
union {
u_int32_t pfcup;
u_int32_t appcfg;
} u;
};
/*
* Description of potential FCoE network interface.
*/
struct fcm_netif {
TAILQ_ENTRY(fcm_netif) ff_list; /* list linkage */
u_int32_t ff_enabled:1; /* operational status */
u_int32_t ff_dcb_state; /* DCB feature state */
u_int32_t dcbx_cap; /* DCBX capability */
enum ieee_state ieee_state; /* IEEE state */
u_int32_t ieee_resp_pending;/* IEEE response pending */
u_int32_t ieee_pfc_info; /* IEEE pfc info */
u_int32_t ieee_app_info; /* IEEE app info */
struct feature_info ff_pfc_info; /* PFC feature info */
struct feature_info ff_app_info; /* App feature info */
u_int8_t ff_operstate; /* RFC 2863 operational status */
enum fcm_dcbd_state ff_dcbd_state; /* DCB daemon state */
char ifname[IFNAMSIZ]; /* Ethernet interface name */
int response_pending; /* dcbd query in progress */
int dcbd_retry_cnt; /* Number of query attempts */
struct sa_timer dcbd_retry_timer; /* dcbd retry timer */
};
/*
* Description of fcoe socket server interface
*/
struct fcm_srv_info {
int srv_sock;
};
TAILQ_HEAD(fcm_netif_head, fcm_netif);
struct fcm_netif_head fcm_netif_head;
static void fcm_dcbd_init(void);
static void fcm_dcbd_shutdown(void);
static void fcm_fcoe_init(void);
static struct fcm_netif *fcm_netif_lookup(char *);
static struct fcm_netif *fcm_netif_lookup_create(char *);
static int fcm_link_init(void);
static void fcm_dcbd_state_set(struct fcm_netif *, enum fcm_dcbd_state);
#endif /* _FCOEMON_H_ */