X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=drivers%2Fnet%2Fsfc%2Fbase%2Fmedford_nic.c;h=4f1896343582ebcc464770c298e2771b995e09e8;hb=e7feaba71c02418796afbe4356840e725ca6df6b;hp=afa6493b07b789f706ff1a40d6629abba3a53337;hpb=77b5cbfe48a87011ef0c065b98c1e266f679f9c3;p=dpdk.git

diff --git a/drivers/net/sfc/base/medford_nic.c b/drivers/net/sfc/base/medford_nic.c
index afa6493b07..4f18963435 100644
--- a/drivers/net/sfc/base/medford_nic.c
+++ b/drivers/net/sfc/base/medford_nic.c
@@ -21,7 +21,7 @@ medford_nic_get_required_pcie_bandwidth(
 	efx_rc_t rc;
 
 	if ((rc = efx_mcdi_get_port_modes(enp, &port_modes,
-				    &current_mode)) != 0) {
+				    &current_mode, NULL)) != 0) {
 		/* No port mode info available. */
 		bandwidth = 0;
 		goto out;
@@ -47,28 +47,11 @@ 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 base, nvec;
 	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:
@@ -111,6 +94,9 @@ 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;
@@ -123,47 +109,19 @@ medford_board_cfg(
 	encp->enc_evq_timer_max_us = (encp->enc_evq_timer_quantum_ns <<
 		    FRF_CZ_TC_TIMER_VAL_WIDTH) / 1000;
 
-	/* Check capabilities of running datapath firmware */
-	if ((rc = ef10_get_datapath_caps(enp)) != 0)
-		goto fail3;
-
 	/* Alignment for receive packet DMA buffers */
 	encp->enc_rx_buf_align_start = 1;
 
 	/* Get the RX DMA end padding alignment configuration */
 	if ((rc = efx_mcdi_get_rxdp_config(enp, &end_padding)) != 0) {
 		if (rc != EACCES)
-			goto fail4;
+			goto fail3;
 
 		/* Assume largest tail padding size supported by hardware */
 		end_padding = 256;
 	}
 	encp->enc_rx_buf_align_end = end_padding;
 
-	/* Alignment for WPTR updates */
-	encp->enc_rx_push_align = EF10_RX_WPTR_ALIGN;
-
-	/*
-	 * Maximum number of exclusive RSS contexts which can be allocated. The
-	 * hardware supports 64, but 6 are reserved for shared contexts. They
-	 * are a global resource so not all may be available.
-	 */
-	encp->enc_rx_scale_max_exclusive_contexts = 58;
-
-	encp->enc_tx_dma_desc_size_max = EFX_MASK32(ESF_DZ_RX_KER_BYTE_CNT);
-	/* No boundary crossing limits */
-	encp->enc_tx_dma_desc_boundary = 0;
-
-	/*
-	 * Set resource limits for MC_CMD_ALLOC_VIS. Note that we cannot use
-	 * MC_CMD_GET_RESOURCE_LIMITS here as that reports the available
-	 * resources (allocated to this PCIe function), which is zero until
-	 * after we have allocated VIs.
-	 */
-	encp->enc_evq_limit = 1024;
-	encp->enc_rxq_limit = EFX_RXQ_LIMIT_TARGET;
-	encp->enc_txq_limit = EFX_TXQ_LIMIT_TARGET;
-
 	/*
 	 * The maximum supported transmit queue size is 2048. TXQs with 4096
 	 * descriptors are not supported as the top bit is used for vfifo
@@ -171,41 +129,11 @@ medford_board_cfg(
 	 */
 	encp->enc_txq_max_ndescs = 2048;
 
-	encp->enc_buftbl_limit = 0xFFFFFFFF;
-
 	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 fail5;
-	encp->enc_privilege_mask = mask;
-
-	/* Get interrupt vector limits */
-	if ((rc = efx_mcdi_get_vector_cfg(enp, &base, &nvec, NULL)) != 0) {
-		if (EFX_PCI_FUNCTION_IS_PF(encp))
-			goto fail6;
-
-		/* Ignore error (cannot query vector limits from a VF). */
-		base = 0;
-		nvec = 1024;
-	}
-	encp->enc_intr_vec_base = base;
-	encp->enc_intr_limit = nvec;
-
-	/*
-	 * Maximum number of bytes into the frame the TCP header can start for
-	 * firmware assisted TSO to work.
-	 */
-	encp->enc_tx_tso_tcp_header_offset_limit = EF10_TCP_HEADER_OFFSET_LIMIT;
-
 	/*
 	 * Medford stores a single global copy of VPD, not per-PF as on
 	 * Huntington.
@@ -214,18 +142,12 @@ medford_board_cfg(
 
 	rc = medford_nic_get_required_pcie_bandwidth(enp, &bandwidth);
 	if (rc != 0)
-		goto fail7;
+		goto fail4;
 	encp->enc_required_pcie_bandwidth_mbps = bandwidth;
 	encp->enc_max_pcie_link_gen = EFX_PCIE_LINK_SPEED_GEN3;
 
 	return (0);
 
-fail7:
-	EFSYS_PROBE(fail7);
-fail6:
-	EFSYS_PROBE(fail6);
-fail5:
-	EFSYS_PROBE(fail5);
 fail4:
 	EFSYS_PROBE(fail4);
 fail3: