131 lines
3.5 KiB
C
131 lines
3.5 KiB
C
/*-
|
|
* Copyright (c) 2012, 2015 Chelsio Communications, Inc.
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*
|
|
* $FreeBSD$
|
|
*
|
|
*/
|
|
|
|
#ifndef __CXGBEI_OFLD_H__
|
|
#define __CXGBEI_OFLD_H__
|
|
|
|
#include <dev/iscsi/icl.h>
|
|
|
|
enum {
|
|
CWT_SLEEPING = 1,
|
|
CWT_RUNNING = 2,
|
|
CWT_STOP = 3,
|
|
CWT_STOPPED = 4,
|
|
};
|
|
|
|
struct cxgbei_worker_thread_softc {
|
|
struct mtx cwt_lock;
|
|
struct cv cwt_cv;
|
|
volatile int cwt_state;
|
|
|
|
TAILQ_HEAD(, icl_cxgbei_conn) rx_head;
|
|
} __aligned(CACHE_LINE_SIZE);
|
|
|
|
#define CXGBEI_CONN_SIGNATURE 0x56788765
|
|
|
|
enum {
|
|
RXF_ACTIVE = 1 << 0, /* In the worker thread's queue */
|
|
};
|
|
|
|
struct icl_cxgbei_conn {
|
|
struct icl_conn ic;
|
|
|
|
/* cxgbei specific stuff goes here. */
|
|
uint32_t icc_signature;
|
|
int ulp_submode;
|
|
struct adapter *sc;
|
|
struct toepcb *toep;
|
|
|
|
/* Receive related. */
|
|
u_int rx_flags; /* protected by so_rcv lock */
|
|
u_int cwt;
|
|
STAILQ_HEAD(, icl_pdu) rcvd_pdus; /* protected by so_rcv lock */
|
|
TAILQ_ENTRY(icl_cxgbei_conn) rx_link; /* protected by cwt lock */
|
|
};
|
|
|
|
static inline struct icl_cxgbei_conn *
|
|
ic_to_icc(struct icl_conn *ic)
|
|
{
|
|
|
|
return (__containerof(ic, struct icl_cxgbei_conn, ic));
|
|
}
|
|
|
|
/* PDU flags and signature. */
|
|
enum {
|
|
ICPF_RX_HDR = 1 << 0, /* PDU header received. */
|
|
ICPF_RX_FLBUF = 1 << 1, /* PDU payload received in a freelist. */
|
|
ICPF_RX_DDP = 1 << 2, /* PDU payload DDP'd. */
|
|
ICPF_RX_STATUS = 1 << 3, /* Rx status received. */
|
|
ICPF_HCRC_ERR = 1 << 4, /* Header digest error. */
|
|
ICPF_DCRC_ERR = 1 << 5, /* Data digest error. */
|
|
ICPF_PAD_ERR = 1 << 6, /* Padding error. */
|
|
|
|
CXGBEI_PDU_SIGNATURE = 0x12344321
|
|
};
|
|
|
|
struct icl_cxgbei_pdu {
|
|
struct icl_pdu ip;
|
|
|
|
/* cxgbei specific stuff goes here. */
|
|
uint32_t icp_signature;
|
|
uint32_t icp_seq; /* For debug only */
|
|
u_int icp_flags;
|
|
};
|
|
|
|
static inline struct icl_cxgbei_pdu *
|
|
ip_to_icp(struct icl_pdu *ip)
|
|
{
|
|
|
|
return (__containerof(ip, struct icl_cxgbei_pdu, ip));
|
|
}
|
|
|
|
struct cxgbei_data {
|
|
u_int max_tx_pdu_len;
|
|
u_int max_rx_pdu_len;
|
|
|
|
u_int ddp_threshold;
|
|
struct ppod_region pr;
|
|
|
|
struct sysctl_ctx_list ctx; /* from uld_activate to deactivate */
|
|
counter_u64_t ddp_setup_ok;
|
|
counter_u64_t ddp_setup_error;
|
|
counter_u64_t ddp_bytes;
|
|
counter_u64_t ddp_pdus;
|
|
counter_u64_t fl_bytes;
|
|
counter_u64_t fl_pdus;
|
|
};
|
|
|
|
/* cxgbei.c */
|
|
u_int cxgbei_select_worker_thread(struct icl_cxgbei_conn *);
|
|
|
|
/* icl_cxgbei.c */
|
|
int icl_cxgbei_mod_load(void);
|
|
int icl_cxgbei_mod_unload(void);
|
|
#endif
|