4d4cf62e29
When a PDU with an error (bad padding, header digest, or data digest) is received, log the error via ICL_WARN() and then reset the connection via the ic_error callback. While here, add per-rxq counters for errors. Sponsored by: Chelsio Communications
147 lines
3.9 KiB
C
147 lines
3.9 KiB
C
/*-
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* Copyright (c) 2012, 2015 Chelsio Communications, Inc.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*
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*/
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#ifndef __CXGBEI_OFLD_H__
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#define __CXGBEI_OFLD_H__
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#include <dev/iscsi/icl.h>
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enum {
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CWT_SLEEPING = 1,
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CWT_RUNNING = 2,
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CWT_STOP = 3,
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CWT_STOPPED = 4,
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};
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struct cxgbei_worker_thread_softc {
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struct mtx cwt_lock;
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struct cv cwt_cv;
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volatile int cwt_state;
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TAILQ_HEAD(, icl_cxgbei_conn) rx_head;
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} __aligned(CACHE_LINE_SIZE);
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#define CXGBEI_CONN_SIGNATURE 0x56788765
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enum {
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RXF_ACTIVE = 1 << 0, /* In the worker thread's queue */
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};
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struct cxgbei_cmp {
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LIST_ENTRY(cxgbei_cmp) link;
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uint32_t tt; /* Transfer tag. */
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uint32_t next_buffer_offset;
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uint32_t last_datasn;
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};
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LIST_HEAD(cxgbei_cmp_head, cxgbei_cmp);
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struct icl_cxgbei_conn {
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struct icl_conn ic;
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/* cxgbei specific stuff goes here. */
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uint32_t icc_signature;
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int ulp_submode;
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struct adapter *sc;
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struct toepcb *toep;
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/* Receive related. */
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u_int rx_flags; /* protected by so_rcv lock */
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u_int cwt;
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STAILQ_HEAD(, icl_pdu) rcvd_pdus; /* protected by so_rcv lock */
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TAILQ_ENTRY(icl_cxgbei_conn) rx_link; /* protected by cwt lock */
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struct cxgbei_cmp_head *cmp_table; /* protected by cmp_lock */
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struct mtx cmp_lock;
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unsigned long cmp_hash_mask;
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};
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static inline struct icl_cxgbei_conn *
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ic_to_icc(struct icl_conn *ic)
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{
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return (__containerof(ic, struct icl_cxgbei_conn, ic));
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}
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/* PDU flags and signature. */
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enum {
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ICPF_RX_HDR = 1 << 0, /* PDU header received. */
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ICPF_RX_FLBUF = 1 << 1, /* PDU payload received in a freelist. */
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ICPF_RX_DDP = 1 << 2, /* PDU payload DDP'd. */
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ICPF_RX_STATUS = 1 << 3, /* Rx status received. */
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CXGBEI_PDU_SIGNATURE = 0x12344321
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};
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struct icl_cxgbei_pdu {
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struct icl_pdu ip;
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/* cxgbei specific stuff goes here. */
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uint32_t icp_signature;
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uint32_t icp_seq; /* For debug only */
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u_int icp_flags;
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u_int ref_cnt;
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icl_pdu_cb cb;
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int error;
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};
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static inline struct icl_cxgbei_pdu *
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ip_to_icp(struct icl_pdu *ip)
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{
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return (__containerof(ip, struct icl_cxgbei_pdu, ip));
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}
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struct cxgbei_data {
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u_int max_tx_data_len;
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u_int max_rx_data_len;
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u_int ddp_threshold;
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struct ppod_region pr;
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struct sysctl_ctx_list ctx; /* from uld_activate to deactivate */
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};
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#define CXGBEI_MAX_ISO_PAYLOAD 65535
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/* cxgbei.c */
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u_int cxgbei_select_worker_thread(struct icl_cxgbei_conn *);
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/* icl_cxgbei.c */
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int icl_cxgbei_mod_load(void);
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int icl_cxgbei_mod_unload(void);
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struct icl_pdu *icl_cxgbei_new_pdu(int);
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void icl_cxgbei_new_pdu_set_conn(struct icl_pdu *, struct icl_conn *);
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void icl_cxgbei_conn_pdu_free(struct icl_conn *, struct icl_pdu *);
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struct cxgbei_cmp *cxgbei_find_cmp(struct icl_cxgbei_conn *, uint32_t);
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#endif
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