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cxgbei.c
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cxgbei.h
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icl_cxgbei.c
(28.2 KB)
Editing: cxgbei.h
/*- * 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
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