X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=drivers%2Fnet%2Fsfc%2Fbase%2Fsiena_mac.c;h=928dfc340a6192c99b04713ed89a914d66b89768;hb=168c59cfe42b;hp=dbe9c6fa04ecd81a3eeb79471bd8f8325aa61112;hpb=8c7c723dfe7cbf13711538a5b458d2a744d2fb63;p=dpdk.git

diff --git a/drivers/net/sfc/base/siena_mac.c b/drivers/net/sfc/base/siena_mac.c
index dbe9c6fa04..928dfc340a 100644
--- a/drivers/net/sfc/base/siena_mac.c
+++ b/drivers/net/sfc/base/siena_mac.c
@@ -1,31 +1,7 @@
-/*
- * Copyright (c) 2009-2016 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) 2009-2018 Solarflare Communications Inc.
+ * All rights reserved.
  */
 
 #include "efx.h"
@@ -92,14 +68,13 @@ siena_mac_reconfigure(
 	efx_port_t *epp = &(enp->en_port);
 	efx_oword_t multicast_hash[2];
 	efx_mcdi_req_t req;
-	uint8_t payload[MAX(MAX(MC_CMD_SET_MAC_IN_LEN,
-				MC_CMD_SET_MAC_OUT_LEN),
-			    MAX(MC_CMD_SET_MCAST_HASH_IN_LEN,
-				MC_CMD_SET_MCAST_HASH_OUT_LEN))];
+	EFX_MCDI_DECLARE_BUF(payload,
+		MAX(MC_CMD_SET_MAC_IN_LEN, MC_CMD_SET_MCAST_HASH_IN_LEN),
+		MAX(MC_CMD_SET_MAC_OUT_LEN, MC_CMD_SET_MCAST_HASH_OUT_LEN));
+
 	unsigned int fcntl;
 	efx_rc_t rc;
 
-	(void) memset(payload, 0, sizeof (payload));
 	req.emr_cmd = MC_CMD_SET_MAC;
 	req.emr_in_buf = payload;
 	req.emr_in_length = MC_CMD_SET_MAC_IN_LEN;
@@ -194,6 +169,42 @@ fail1:
 	return (rc);
 }
 
+#if EFSYS_OPT_LOOPBACK
+
+	__checkReturn	efx_rc_t
+siena_mac_loopback_set(
+	__in		efx_nic_t *enp,
+	__in		efx_link_mode_t link_mode,
+	__in		efx_loopback_type_t loopback_type)
+{
+	efx_port_t *epp = &(enp->en_port);
+	const efx_phy_ops_t *epop = epp->ep_epop;
+	efx_loopback_type_t old_loopback_type;
+	efx_link_mode_t old_loopback_link_mode;
+	efx_rc_t rc;
+
+	/* The PHY object handles this on Siena */
+	old_loopback_type = epp->ep_loopback_type;
+	old_loopback_link_mode = epp->ep_loopback_link_mode;
+	epp->ep_loopback_type = loopback_type;
+	epp->ep_loopback_link_mode = link_mode;
+
+	if ((rc = epop->epo_reconfigure(enp)) != 0)
+		goto fail1;
+
+	return (0);
+
+fail1:
+	EFSYS_PROBE1(fail1, efx_rc_t, rc);
+
+	epp->ep_loopback_type = old_loopback_type;
+	epp->ep_loopback_link_mode = old_loopback_link_mode;
+
+	return (rc);
+}
+
+#endif	/* EFSYS_OPT_LOOPBACK */
+
 #if EFSYS_OPT_MAC_STATS
 
 	__checkReturn			efx_rc_t
@@ -233,16 +244,28 @@ siena_mac_stats_update(
 	__inout_ecount(EFX_MAC_NSTATS)	efsys_stat_t *stat,
 	__inout_opt			uint32_t *generationp)
 {
-	efx_qword_t value;
+	const efx_nic_cfg_t *encp = &enp->en_nic_cfg;
 	efx_qword_t generation_start;
 	efx_qword_t generation_end;
+	efx_qword_t value;
+	efx_rc_t rc;
 
-	_NOTE(ARGUNUSED(enp))
+	if (encp->enc_mac_stats_nstats < MC_CMD_MAC_NSTATS) {
+		/* MAC stats count too small */
+		rc = ENOSPC;
+		goto fail1;
+	}
+	if (EFSYS_MEM_SIZE(esmp) <
+	    (encp->enc_mac_stats_nstats * sizeof (efx_qword_t))) {
+		/* DMA buffer too small */
+		rc = ENOSPC;
+		goto fail2;
+	}
 
 	/* Read END first so we don't race with the MC */
-	EFSYS_DMA_SYNC_FOR_KERNEL(esmp, 0, EFX_MAC_STATS_SIZE);
-	SIENA_MAC_STAT_READ(esmp, MC_CMD_MAC_GENERATION_END,
-			    &generation_end);
+	EFSYS_DMA_SYNC_FOR_KERNEL(esmp, 0, EFSYS_MEM_SIZE(esmp));
+	SIENA_MAC_STAT_READ(esmp, (encp->enc_mac_stats_nstats - 1),
+	    &generation_end);
 	EFSYS_MEM_READ_BARRIER();
 
 	/* TX */
@@ -410,7 +433,7 @@ siena_mac_stats_update(
 	SIENA_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_NODESC_DROPS, &value);
 	EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RX_NODESC_DROP_CNT]), &value);
 
-	EFSYS_DMA_SYNC_FOR_KERNEL(esmp, 0, EFX_MAC_STATS_SIZE);
+	EFSYS_DMA_SYNC_FOR_KERNEL(esmp, 0, EFSYS_MEM_SIZE(esmp));
 	EFSYS_MEM_READ_BARRIER();
 	SIENA_MAC_STAT_READ(esmp, MC_CMD_MAC_GENERATION_START,
 			    &generation_start);
@@ -425,6 +448,13 @@ siena_mac_stats_update(
 		*generationp = EFX_QWORD_FIELD(generation_start, EFX_DWORD_0);
 
 	return (0);
+
+fail2:
+	EFSYS_PROBE(fail2);
+fail1:
+	EFSYS_PROBE1(fail1, efx_rc_t, rc);
+
+	return (rc);
 }
 
 #endif	/* EFSYS_OPT_MAC_STATS */