X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=drivers%2Fnet%2Fsfc%2Fbase%2Fmedford_nic.c;h=6c85b0c841fd61a4b9c1d2936e1031ed982ea4c5;hb=6cf2f95d4dfbae8c8b4ea31ec899e750dcbc62bb;hp=daa1478ce8343a32b77d1ad74a0236ea0e2ed495;hpb=01a22b15b4cbcc65552ff5ba88ea2d8905bbb7ab;p=dpdk.git

diff --git a/drivers/net/sfc/base/medford_nic.c b/drivers/net/sfc/base/medford_nic.c
index daa1478ce8..6c85b0c841 100644
--- a/drivers/net/sfc/base/medford_nic.c
+++ b/drivers/net/sfc/base/medford_nic.c
@@ -1,7 +1,7 @@
 /* SPDX-License-Identifier: BSD-3-Clause
  *
- * Copyright (c) 2015-2018 Solarflare Communications Inc.
- * All rights reserved.
+ * Copyright(c) 2019-2020 Xilinx, Inc.
+ * Copyright(c) 2015-2019 Solarflare Communications Inc.
  */
 
 #include "efx.h"
@@ -15,23 +15,13 @@ medford_nic_get_required_pcie_bandwidth(
 	__in		efx_nic_t *enp,
 	__out		uint32_t *bandwidth_mbpsp)
 {
-	uint32_t port_modes;
-	uint32_t current_mode;
 	uint32_t bandwidth;
 	efx_rc_t rc;
 
-	if ((rc = efx_mcdi_get_port_modes(enp, &port_modes,
-				    &current_mode)) != 0) {
-		/* No port mode info available. */
-		bandwidth = 0;
-		goto out;
-	}
-
-	if ((rc = ef10_nic_get_port_mode_bandwidth(current_mode,
+	if ((rc = ef10_nic_get_port_mode_bandwidth(enp,
 						    &bandwidth)) != 0)
 		goto fail1;
 
-out:
 	*bandwidth_mbpsp = bandwidth;
 
 	return (0);
@@ -47,27 +37,11 @@ medford_board_cfg(
 	__in		efx_nic_t *enp)
 {
 	efx_nic_cfg_t *encp = &(enp->en_nic_cfg);
-	uint32_t mask;
 	uint32_t sysclk, dpcpu_clk;
 	uint32_t end_padding;
 	uint32_t bandwidth;
 	efx_rc_t rc;
 
-	/*
-	 * FIXME: Likely to be incomplete and incorrect.
-	 * Parts of this should be shared with Huntington.
-	 */
-
-	/* Medford has a fixed 8Kbyte VI window size */
-	EFX_STATIC_ASSERT(ER_DZ_EVQ_RPTR_REG_STEP	== 8192);
-	EFX_STATIC_ASSERT(ER_DZ_EVQ_TMR_REG_STEP	== 8192);
-	EFX_STATIC_ASSERT(ER_DZ_RX_DESC_UPD_REG_STEP	== 8192);
-	EFX_STATIC_ASSERT(ER_DZ_TX_DESC_UPD_REG_STEP	== 8192);
-	EFX_STATIC_ASSERT(ER_DZ_TX_PIOBUF_STEP		== 8192);
-
-	EFX_STATIC_ASSERT(1U << EFX_VI_WINDOW_SHIFT_8K	== 8192);
-	encp->enc_vi_window_shift = EFX_VI_WINDOW_SHIFT_8K;
-
 	/*
 	 * Enable firmware workarounds for hardware errata.
 	 * Expected responses are:
@@ -93,9 +67,6 @@ medford_board_cfg(
 		encp->enc_bug41750_workaround = B_TRUE;
 	}
 
-	/* Chained multicast is always enabled on Medford */
-	encp->enc_bug26807_workaround = B_TRUE;
-
 	/*
 	 * If the bug61265 workaround is enabled, then interrupt holdoff timers
 	 * cannot be controlled by timer table writes, so MCDI must be used
@@ -110,6 +81,9 @@ medford_board_cfg(
 	else
 		goto fail1;
 
+	/* Checksums for TSO sends can be incorrect on Medford. */
+	encp->enc_bug61297_workaround = B_TRUE;
+
 	/* Get clock frequencies (in MHz). */
 	if ((rc = efx_mcdi_get_clock(enp, &sysclk, &dpcpu_clk)) != 0)
 		goto fail2;
@@ -122,6 +96,10 @@ medford_board_cfg(
 	encp->enc_evq_timer_max_us = (encp->enc_evq_timer_quantum_ns <<
 		    FRF_CZ_TC_TIMER_VAL_WIDTH) / 1000;
 
+	encp->enc_ev_desc_size = EF10_EVQ_DESC_SIZE;
+	encp->enc_rx_desc_size = EF10_RXQ_DESC_SIZE;
+	encp->enc_tx_desc_size = EF10_TXQ_DESC_SIZE;
+
 	/* Alignment for receive packet DMA buffers */
 	encp->enc_rx_buf_align_start = 1;
 
@@ -135,28 +113,25 @@ medford_board_cfg(
 	}
 	encp->enc_rx_buf_align_end = end_padding;
 
+	encp->enc_evq_max_nevs = EF10_EVQ_MAXNEVS;
+	encp->enc_evq_min_nevs = EF10_EVQ_MINNEVS;
+
+	encp->enc_rxq_max_ndescs = EF10_RXQ_MAXNDESCS;
+	encp->enc_rxq_min_ndescs = EF10_RXQ_MINNDESCS;
+
 	/*
 	 * The maximum supported transmit queue size is 2048. TXQs with 4096
 	 * descriptors are not supported as the top bit is used for vfifo
 	 * stuffing.
 	 */
-	encp->enc_txq_max_ndescs = 2048;
+	encp->enc_txq_max_ndescs = MEDFORD_TXQ_MAXNDESCS;
+	encp->enc_txq_min_ndescs = EF10_TXQ_MINNDESCS;
 
 	EFX_STATIC_ASSERT(MEDFORD_PIOBUF_NBUFS <= EF10_MAX_PIOBUF_NBUFS);
 	encp->enc_piobuf_limit = MEDFORD_PIOBUF_NBUFS;
 	encp->enc_piobuf_size = MEDFORD_PIOBUF_SIZE;
 	encp->enc_piobuf_min_alloc_size = MEDFORD_MIN_PIO_ALLOC_SIZE;
 
-	/*
-	 * Get the current privilege mask. Note that this may be modified
-	 * dynamically, so this value is informational only. DO NOT use
-	 * the privilege mask to check for sufficient privileges, as that
-	 * can result in time-of-check/time-of-use bugs.
-	 */
-	if ((rc = ef10_get_privilege_mask(enp, &mask)) != 0)
-		goto fail4;
-	encp->enc_privilege_mask = mask;
-
 	/*
 	 * Medford stores a single global copy of VPD, not per-PF as on
 	 * Huntington.
@@ -165,14 +140,12 @@ medford_board_cfg(
 
 	rc = medford_nic_get_required_pcie_bandwidth(enp, &bandwidth);
 	if (rc != 0)
-		goto fail5;
+		goto fail4;
 	encp->enc_required_pcie_bandwidth_mbps = bandwidth;
 	encp->enc_max_pcie_link_gen = EFX_PCIE_LINK_SPEED_GEN3;
 
 	return (0);
 
-fail5:
-	EFSYS_PROBE(fail5);
 fail4:
 	EFSYS_PROBE(fail4);
 fail3: