-/*
- * Copyright (c) 2007-2016 Solarflare 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.
+/* SPDX-License-Identifier: BSD-3-Clause
*
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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 COPYRIGHT OWNER 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.
- *
- * The views and conclusions contained in the software and documentation are
- * those of the authors and should not be interpreted as representing official
- * policies, either expressed or implied, of the FreeBSD Project.
+ * Copyright (c) 2007-2018 Solarflare Communications Inc.
+ * All rights reserved.
*/
#include "efx.h"
};
#endif /* EFSYS_OPT_SIENA */
-#if EFSYS_OPT_HUNTINGTON || EFSYS_OPT_MEDFORD
+#if EFSYS_OPT_HUNTINGTON || EFSYS_OPT_MEDFORD || EFSYS_OPT_MEDFORD2
static const efx_ev_ops_t __efx_ev_ef10_ops = {
ef10_ev_init, /* eevo_init */
ef10_ev_fini, /* eevo_fini */
ef10_ev_qstats_update, /* eevo_qstats_update */
#endif
};
-#endif /* EFSYS_OPT_HUNTINGTON || EFSYS_OPT_MEDFORD */
+#endif /* EFSYS_OPT_HUNTINGTON || EFSYS_OPT_MEDFORD || EFSYS_OPT_MEDFORD2 */
__checkReturn efx_rc_t
break;
#endif /* EFSYS_OPT_MEDFORD */
+#if EFSYS_OPT_MEDFORD2
+ case EFX_FAMILY_MEDFORD2:
+ eevop = &__efx_ev_ef10_ops;
+ break;
+#endif /* EFSYS_OPT_MEDFORD2 */
+
default:
EFSYS_ASSERT(0);
rc = ENOTSUP;
return (rc);
}
+ __checkReturn size_t
+efx_evq_size(
+ __in const efx_nic_t *enp,
+ __in unsigned int ndescs)
+{
+ const efx_nic_cfg_t *encp = efx_nic_cfg_get(enp);
+
+ return (ndescs * encp->enc_ev_desc_size);
+}
+
+ __checkReturn unsigned int
+efx_evq_nbufs(
+ __in const efx_nic_t *enp,
+ __in unsigned int ndescs)
+{
+ return (EFX_DIV_ROUND_UP(efx_evq_size(enp, ndescs), EFX_BUF_SIZE));
+}
+
void
efx_ev_fini(
__in efx_nic_t *enp)
__deref_out efx_evq_t **eepp)
{
const efx_ev_ops_t *eevop = enp->en_eevop;
- efx_nic_cfg_t *encp = &(enp->en_nic_cfg);
efx_evq_t *eep;
+ const efx_nic_cfg_t *encp = efx_nic_cfg_get(enp);
efx_rc_t rc;
EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_EV);
- EFSYS_ASSERT3U(enp->en_ev_qcount + 1, <, encp->enc_evq_limit);
+ EFSYS_ASSERT3U(enp->en_ev_qcount + 1, <,
+ enp->en_nic_cfg.enc_evq_limit);
switch (flags & EFX_EVQ_FLAGS_NOTIFY_MASK) {
case EFX_EVQ_FLAGS_NOTIFY_INTERRUPT:
goto fail2;
}
+ EFSYS_ASSERT(ISP2(encp->enc_evq_max_nevs));
+ EFSYS_ASSERT(ISP2(encp->enc_evq_min_nevs));
+
+ if (!ISP2(ndescs) ||
+ ndescs < encp->enc_evq_min_nevs ||
+ ndescs > encp->enc_evq_max_nevs) {
+ rc = EINVAL;
+ goto fail3;
+ }
+
/* Allocate an EVQ object */
EFSYS_KMEM_ALLOC(enp->en_esip, sizeof (efx_evq_t), eep);
if (eep == NULL) {
rc = ENOMEM;
- goto fail3;
+ goto fail4;
}
eep->ee_magic = EFX_EVQ_MAGIC;
if ((rc = eevop->eevo_qcreate(enp, index, esmp, ndescs, id, us, flags,
eep)) != 0)
- goto fail4;
+ goto fail5;
return (0);
-fail4:
- EFSYS_PROBE(fail4);
+fail5:
+ EFSYS_PROBE(fail5);
*eepp = NULL;
enp->en_ev_qcount--;
EFSYS_KMEM_FREE(enp->en_esip, sizeof (efx_evq_t), eep);
+fail4:
+ EFSYS_PROBE(fail4);
fail3:
EFSYS_PROBE(fail3);
fail2:
if (should_abort) {
/* Ignore subsequent events */
total = index + 1;
+
+ /*
+ * Poison batch to ensure the outer
+ * loop is broken out of.
+ */
+ EFSYS_ASSERT(batch <= EFX_EV_BATCH);
+ batch += (EFX_EV_BATCH << 1);
+ EFSYS_ASSERT(total != batch);
break;
}
}
_NOTE(ARGUNUSED(esmp))
- EFX_STATIC_ASSERT(ISP2(EFX_EVQ_MAXNEVS));
- EFX_STATIC_ASSERT(ISP2(EFX_EVQ_MINNEVS));
-
- if (!ISP2(ndescs) ||
- (ndescs < EFX_EVQ_MINNEVS) || (ndescs > EFX_EVQ_MAXNEVS)) {
- rc = EINVAL;
- goto fail1;
- }
if (index >= encp->enc_evq_limit) {
rc = EINVAL;
- goto fail2;
+ goto fail1;
}
#if EFSYS_OPT_RX_SCALE
if (enp->en_intr.ei_type == EFX_INTR_LINE &&
index >= EFX_MAXRSS_LEGACY) {
rc = EINVAL;
- goto fail3;
+ goto fail2;
}
#endif
- for (size = 0; (1 << size) <= (EFX_EVQ_MAXNEVS / EFX_EVQ_MINNEVS);
+ for (size = 0;
+ (1U << size) <= encp->enc_evq_max_nevs / encp->enc_evq_min_nevs;
size++)
- if ((1 << size) == (int)(ndescs / EFX_EVQ_MINNEVS))
+ if ((1U << size) == (uint32_t)ndescs / encp->enc_evq_min_nevs)
break;
if (id + (1 << size) >= encp->enc_buftbl_limit) {
rc = EINVAL;
- goto fail4;
+ goto fail3;
}
/* Set up the handler table */
return (0);
-fail4:
- EFSYS_PROBE(fail4);
-#if EFSYS_OPT_RX_SCALE
fail3:
EFSYS_PROBE(fail3);
-#endif
+#if EFSYS_OPT_RX_SCALE
fail2:
EFSYS_PROBE(fail2);
+#endif
fail1:
EFSYS_PROBE1(fail1, efx_rc_t, rc);
git.droids-corp.org / dpdk.git / blobdiff