X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=drivers%2Fnet%2Fsfc%2Fbase%2Fefx_mcdi.c;h=347a5b3518682a2d738bacc52bc529f9ee139e91;hb=eff9b666eae5166d6efe468a0cd1286437274da9;hp=c9d29a79ac37920e027fc51e9dd55af2f86f14e0;hpb=fe8e3dc2489adb93b2c664cd5590a264ba1df52b;p=dpdk.git

diff --git a/drivers/net/sfc/base/efx_mcdi.c b/drivers/net/sfc/base/efx_mcdi.c
index c9d29a79ac..347a5b3518 100644
--- a/drivers/net/sfc/base/efx_mcdi.c
+++ b/drivers/net/sfc/base/efx_mcdi.c
@@ -1,31 +1,7 @@
-/*
- * Copyright (c) 2008-2016 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:
+/* SPDX-License-Identifier: BSD-3-Clause
  *
- * 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 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) 2008-2018 Solarflare Communications Inc.
+ * All rights reserved.
  */
 
 #include "efx.h"
@@ -290,7 +266,8 @@ efx_mcdi_request_start(
 	 */
 	if ((max_version >= 2) &&
 	    ((emrp->emr_cmd > MC_CMD_CMD_SPACE_ESCAPE_7) ||
-	    (emrp->emr_in_length > MCDI_CTL_SDU_LEN_MAX_V1))) {
+	    (emrp->emr_in_length > MCDI_CTL_SDU_LEN_MAX_V1) ||
+	    (emrp->emr_out_length > MCDI_CTL_SDU_LEN_MAX_V1))) {
 		/* Construct MCDI v2 header */
 		hdr_len = sizeof (hdr);
 		EFX_POPULATE_DWORD_8(hdr[0],
@@ -792,9 +769,8 @@ efx_mcdi_ev_cpl(
 			emrp->emr_rc = 0;
 		}
 	}
-	if (errcode == 0) {
+	if (emrp->emr_rc == 0)
 		efx_mcdi_finish_response(enp, emrp);
-	}
 
 	emtp->emt_ev_cpl(emtp->emt_context);
 }
@@ -809,6 +785,8 @@ efx_mcdi_get_proxy_handle(
 {
 	efx_rc_t rc;
 
+	_NOTE(ARGUNUSED(enp))
+
 	/*
 	 * Return proxy handle from MCDI request that returned with error
 	 * MC_MCD_ERR_PROXY_PENDING. This handle is used to wait for a matching
@@ -1024,6 +1002,79 @@ fail1:
 	return (rc);
 }
 
+	__checkReturn	efx_rc_t
+efx_mcdi_get_capabilities(
+	__in		efx_nic_t *enp,
+	__out_opt	uint32_t *flagsp,
+	__out_opt	uint16_t *rx_dpcpu_fw_idp,
+	__out_opt	uint16_t *tx_dpcpu_fw_idp,
+	__out_opt	uint32_t *flags2p,
+	__out_opt	uint32_t *tso2ncp)
+{
+	efx_mcdi_req_t req;
+	uint8_t payload[MAX(MC_CMD_GET_CAPABILITIES_IN_LEN,
+			    MC_CMD_GET_CAPABILITIES_V2_OUT_LEN)];
+	boolean_t v2_capable;
+	efx_rc_t rc;
+
+	(void) memset(payload, 0, sizeof (payload));
+	req.emr_cmd = MC_CMD_GET_CAPABILITIES;
+	req.emr_in_buf = payload;
+	req.emr_in_length = MC_CMD_GET_CAPABILITIES_IN_LEN;
+	req.emr_out_buf = payload;
+	req.emr_out_length = MC_CMD_GET_CAPABILITIES_V2_OUT_LEN;
+
+	efx_mcdi_execute_quiet(enp, &req);
+
+	if (req.emr_rc != 0) {
+		rc = req.emr_rc;
+		goto fail1;
+	}
+
+	if (req.emr_out_length_used < MC_CMD_GET_CAPABILITIES_OUT_LEN) {
+		rc = EMSGSIZE;
+		goto fail2;
+	}
+
+	if (flagsp != NULL)
+		*flagsp = MCDI_OUT_DWORD(req, GET_CAPABILITIES_OUT_FLAGS1);
+
+	if (rx_dpcpu_fw_idp != NULL)
+		*rx_dpcpu_fw_idp = MCDI_OUT_WORD(req,
+					GET_CAPABILITIES_OUT_RX_DPCPU_FW_ID);
+
+	if (tx_dpcpu_fw_idp != NULL)
+		*tx_dpcpu_fw_idp = MCDI_OUT_WORD(req,
+					GET_CAPABILITIES_OUT_TX_DPCPU_FW_ID);
+
+	if (req.emr_out_length_used < MC_CMD_GET_CAPABILITIES_V2_OUT_LEN)
+		v2_capable = B_FALSE;
+	else
+		v2_capable = B_TRUE;
+
+	if (flags2p != NULL) {
+		*flags2p = (v2_capable) ?
+			MCDI_OUT_DWORD(req, GET_CAPABILITIES_V2_OUT_FLAGS2) :
+			0;
+	}
+
+	if (tso2ncp != NULL) {
+		*tso2ncp = (v2_capable) ?
+			MCDI_OUT_WORD(req,
+				GET_CAPABILITIES_V2_OUT_TX_TSO_V2_N_CONTEXTS) :
+			0;
+	}
+
+	return (0);
+
+fail2:
+	EFSYS_PROBE(fail2);
+fail1:
+	EFSYS_PROBE1(fail1, efx_rc_t, rc);
+
+	return (rc);
+}
+
 static	__checkReturn	efx_rc_t
 efx_mcdi_do_reboot(
 	__in		efx_nic_t *enp,