X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=drivers%2Fnet%2Fsfc%2Fbase%2Fhunt_nic.c;h=16ea81d235a7953e06c4d60128f4cbc2e842864f;hb=9a5d5f180586d8887dc68c44b02cd8afb4b5173d;hp=d33d2dbed6dda733fc1abfc365b60515a3046b5c;hpb=77b5cbfe48a87011ef0c065b98c1e266f679f9c3;p=dpdk.git

diff --git a/drivers/net/sfc/base/hunt_nic.c b/drivers/net/sfc/base/hunt_nic.c
index d33d2dbed6..16ea81d235 100644
--- a/drivers/net/sfc/base/hunt_nic.c
+++ b/drivers/net/sfc/base/hunt_nic.c
@@ -36,7 +36,7 @@ hunt_nic_get_required_pcie_bandwidth(
 		goto out;
 	}
 
-	if (port_modes & (1 << TLV_PORT_MODE_40G_40G)) {
+	if (port_modes & (1U << TLV_PORT_MODE_40G_40G)) {
 		/*
 		 * This needs the full PCIe bandwidth (and could use
 		 * more) - roughly 64 Gbit/s for 8 lanes of Gen3.
@@ -45,9 +45,9 @@ hunt_nic_get_required_pcie_bandwidth(
 			    EFX_PCIE_LINK_SPEED_GEN3, &bandwidth)) != 0)
 			goto fail1;
 	} else {
-		if (port_modes & (1 << TLV_PORT_MODE_40G)) {
+		if (port_modes & (1U << TLV_PORT_MODE_40G)) {
 			max_port_mode = TLV_PORT_MODE_40G;
-		} else if (port_modes & (1 << TLV_PORT_MODE_10G_10G_10G_10G)) {
+		} else if (port_modes & (1U << TLV_PORT_MODE_10G_10G_10G_10G)) {
 			max_port_mode = TLV_PORT_MODE_10G_10G_10G_10G;
 		} else {
 			/* Assume two 10G ports */
@@ -78,23 +78,11 @@ hunt_board_cfg(
 {
 	efx_nic_cfg_t *encp = &(enp->en_nic_cfg);
 	efx_port_t *epp = &(enp->en_port);
-	uint32_t mask;
 	uint32_t flags;
 	uint32_t sysclk, dpcpu_clk;
-	uint32_t base, nvec;
 	uint32_t bandwidth;
 	efx_rc_t rc;
 
-	/* Huntington 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:
@@ -201,81 +189,23 @@ hunt_board_cfg(
 
 	encp->enc_bug61265_workaround = B_FALSE; /* Medford only */
 
-	/* Check capabilities of running datapath firmware */
-	if ((rc = ef10_get_datapath_caps(enp)) != 0)
-		goto fail5;
-
 	/* Alignment for receive packet DMA buffers */
 	encp->enc_rx_buf_align_start = 1;
 	encp->enc_rx_buf_align_end = 64; /* RX DMA 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 workaround for bug35388 uses the top bit of transmit queue
 	 * descriptor writes, preventing the use of 4096 descriptor TXQs.
 	 */
 	encp->enc_txq_max_ndescs = encp->enc_bug35388_workaround ? 2048 : 4096;
 
-	encp->enc_buftbl_limit = 0xFFFFFFFF;
-
 	EFX_STATIC_ASSERT(HUNT_PIOBUF_NBUFS <= EF10_MAX_PIOBUF_NBUFS);
 	encp->enc_piobuf_limit = HUNT_PIOBUF_NBUFS;
 	encp->enc_piobuf_size = HUNT_PIOBUF_SIZE;
 	encp->enc_piobuf_min_alloc_size = HUNT_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 fail6;
-	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 fail7;
-
-		/* 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;
-
 	if ((rc = hunt_nic_get_required_pcie_bandwidth(enp, &bandwidth)) != 0)
-		goto fail8;
+		goto fail5;
 	encp->enc_required_pcie_bandwidth_mbps = bandwidth;
 
 	/* All Huntington devices have a PCIe Gen3, 8 lane connector */
@@ -283,12 +213,6 @@ hunt_board_cfg(
 
 	return (0);
 
-fail8:
-	EFSYS_PROBE(fail8);
-fail7:
-	EFSYS_PROBE(fail7);
-fail6:
-	EFSYS_PROBE(fail6);
 fail5:
 	EFSYS_PROBE(fail5);
 fail4: