__out uint32_t *bandwidth_mbpsp)
{
uint32_t port_modes;
- uint32_t max_port_mode;
uint32_t bandwidth;
efx_rc_t rc;
* 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.
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:
return (0);
-fail2:
- EFSYS_PROBE(fail2);
fail1:
EFSYS_PROBE1(fail1, efx_rc_t, rc);
{
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:
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;
-
- /*
- * 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;
+ 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 */
return (0);
-fail7:
- EFSYS_PROBE(fail7);
-fail6:
- EFSYS_PROBE(fail6);
fail5:
EFSYS_PROBE(fail5);
fail4:
git.droids-corp.org / dpdk.git / blobdiff