X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=drivers%2Fnet%2Fsfc%2Fbase%2Fhunt_nic.c;h=755a377f0d8e835d0a1649ff73fee738b06d3b7c;hb=0b5bedc23ed211a8bee6f92f902981da68315ec4;hp=95b48a7ae2535e960f4511f030f83c133731758f;hpb=04dbe8e6d43492aa75e1b4097309eab6872918e4;p=dpdk.git diff --git a/drivers/net/sfc/base/hunt_nic.c b/drivers/net/sfc/base/hunt_nic.c index 95b48a7ae2..755a377f0d 100644 --- a/drivers/net/sfc/base/hunt_nic.c +++ b/drivers/net/sfc/base/hunt_nic.c @@ -20,7 +20,6 @@ hunt_nic_get_required_pcie_bandwidth( __out uint32_t *bandwidth_mbpsp) { uint32_t port_modes; - uint32_t max_port_mode; uint32_t bandwidth; efx_rc_t rc; @@ -30,13 +29,14 @@ hunt_nic_get_required_pcie_bandwidth( * capable mode is in use. */ - if ((rc = efx_mcdi_get_port_modes(enp, &port_modes, NULL)) != 0) { + if ((rc = efx_mcdi_get_port_modes(enp, &port_modes, + NULL, NULL)) != 0) { /* No port mode info available */ bandwidth = 0; 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. @@ -45,18 +45,14 @@ hunt_nic_get_required_pcie_bandwidth( EFX_PCIE_LINK_SPEED_GEN3, &bandwidth)) != 0) goto fail1; } else { - if (port_modes & (1 << TLV_PORT_MODE_40G)) { - max_port_mode = TLV_PORT_MODE_40G; - } else if (port_modes & (1 << TLV_PORT_MODE_10G_10G_10G_10G)) { - max_port_mode = TLV_PORT_MODE_10G_10G_10G_10G; + if (port_modes & (1U << TLV_PORT_MODE_40G)) { + bandwidth = 40000; + } else if (port_modes & (1U << TLV_PORT_MODE_10G_10G_10G_10G)) { + bandwidth = 4 * 10000; } else { /* Assume two 10G ports */ - max_port_mode = TLV_PORT_MODE_10G_10G; + bandwidth = 2 * 10000; } - - if ((rc = ef10_nic_get_port_mode_bandwidth(max_port_mode, - &bandwidth)) != 0) - goto fail2; } out: @@ -64,8 +60,6 @@ out: return (0); -fail2: - EFSYS_PROBE(fail2); fail1: EFSYS_PROBE1(fail1, efx_rc_t, rc); @@ -78,23 +72,11 @@ 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: @@ -201,77 +183,35 @@ hunt_board_cfg( encp->enc_bug61265_workaround = B_FALSE; /* Medford only */ + /* Checksums for TSO sends can be incorrect on Huntington. */ + encp->enc_bug61297_workaround = B_TRUE; + /* 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; + encp->enc_evq_max_nevs = EF10_EVQ_MAXNEVS; + encp->enc_evq_min_nevs = EF10_EVQ_MINNEVS; - /* - * 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; + encp->enc_rxq_max_ndescs = EF10_RXQ_MAXNDESCS; + encp->enc_rxq_min_ndescs = EF10_RXQ_MINNDESCS; /* * 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; + encp->enc_txq_max_ndescs = encp->enc_bug35388_workaround ? + HUNT_TXQ_MAXNDESCS_BUG35388_WORKAROUND : + HUNT_TXQ_MAXNDESCS; + encp->enc_txq_min_ndescs = EF10_TXQ_MINNDESCS; 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 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; - if ((rc = hunt_nic_get_required_pcie_bandwidth(enp, &bandwidth)) != 0) - goto fail7; + goto fail5; encp->enc_required_pcie_bandwidth_mbps = bandwidth; /* All Huntington devices have a PCIe Gen3, 8 lane connector */ @@ -279,10 +219,6 @@ hunt_board_cfg( return (0); -fail7: - EFSYS_PROBE(fail7); -fail6: - EFSYS_PROBE(fail6); fail5: EFSYS_PROBE(fail5); fail4: