net: brcm: netXtreme driver
Broadcom bnxt L2 driver support. Used by the Broadcom
iproc platforms.
Signed-off-by: Bharat Gooty <bharat.gooty@broadcom.com>
Reviewed-by: Ramon Fried <rfried.dev@gmail.com>
Signed-off-by: Roman Bacik <roman.bacik@broadcom.com>
diff --git a/drivers/net/bnxt/bnxt.c b/drivers/net/bnxt/bnxt.c
new file mode 100644
index 0000000..9844e96
--- /dev/null
+++ b/drivers/net/bnxt/bnxt.c
@@ -0,0 +1,1708 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright 2019-2021 Broadcom.
+ */
+
+#include <common.h>
+
+#include <asm/io.h>
+#include <dm.h>
+#include <linux/delay.h>
+#include <memalign.h>
+#include <net.h>
+
+#include "bnxt.h"
+#include "bnxt_dbg.h"
+
+#define bnxt_down_chip(bp) bnxt_hwrm_run(down_chip, bp, 0)
+#define bnxt_bring_chip(bp) bnxt_hwrm_run(bring_chip, bp, 1)
+
+/* Broadcom ethernet driver PCI APIs. */
+static void bnxt_bring_pci(struct bnxt *bp)
+{
+ u16 cmd_reg = 0;
+
+ dm_pci_read_config16(bp->pdev, PCI_VENDOR_ID, &bp->vendor_id);
+ dm_pci_read_config16(bp->pdev, PCI_DEVICE_ID, &bp->device_id);
+ dm_pci_read_config16(bp->pdev, PCI_SUBSYSTEM_VENDOR_ID, &bp->subsystem_vendor);
+ dm_pci_read_config16(bp->pdev, PCI_SUBSYSTEM_ID, &bp->subsystem_device);
+ dm_pci_read_config16(bp->pdev, PCI_COMMAND, &bp->cmd_reg);
+ dm_pci_read_config8(bp->pdev, PCI_INTERRUPT_LINE, &bp->irq);
+ bp->bar0 = dm_pci_map_bar(bp->pdev, PCI_BASE_ADDRESS_0, PCI_REGION_MEM);
+ bp->bar1 = dm_pci_map_bar(bp->pdev, PCI_BASE_ADDRESS_2, PCI_REGION_MEM);
+ bp->bar2 = dm_pci_map_bar(bp->pdev, PCI_BASE_ADDRESS_4, PCI_REGION_MEM);
+ cmd_reg = bp->cmd_reg | PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER;
+ cmd_reg |= PCI_COMMAND_INTX_DISABLE; /* disable intr */
+ dm_pci_write_config16(bp->pdev, PCI_COMMAND, cmd_reg);
+ dm_pci_read_config16(bp->pdev, PCI_COMMAND, &cmd_reg);
+ dbg_pci(bp, __func__, cmd_reg);
+}
+
+int bnxt_free_rx_iob(struct bnxt *bp)
+{
+ unsigned int i;
+
+ if (!(FLAG_TEST(bp->flag_hwrm, VALID_RX_IOB)))
+ return STATUS_SUCCESS;
+
+ for (i = 0; i < bp->rx.buf_cnt; i++) {
+ if (bp->rx.iob[i]) {
+ free(bp->rx.iob[i]);
+ bp->rx.iob[i] = NULL;
+ }
+ }
+
+ FLAG_RESET(bp->flag_hwrm, VALID_RX_IOB);
+
+ return STATUS_SUCCESS;
+}
+
+static void set_rx_desc(u8 *buf, void *iob, u16 cons_id, u32 iob_idx)
+{
+ struct rx_prod_pkt_bd *desc;
+ u16 off = cons_id * sizeof(struct rx_prod_pkt_bd);
+
+ desc = (struct rx_prod_pkt_bd *)&buf[off];
+ desc->flags_type = RX_PROD_PKT_BD_TYPE_RX_PROD_PKT;
+ desc->len = MAX_ETHERNET_PACKET_BUFFER_SIZE;
+ desc->opaque = iob_idx;
+ desc->dma.addr = virt_to_bus(iob);
+}
+
+static int bnxt_alloc_rx_iob(struct bnxt *bp, u16 cons_id, u16 iob_idx)
+{
+ void *iob;
+
+ iob = memalign(BNXT_DMA_ALIGNMENT, RX_STD_DMA_ALIGNED);
+ if (!iob)
+ return -ENOMEM;
+
+ dbg_rx_iob(iob, iob_idx, cons_id);
+ set_rx_desc((u8 *)bp->rx.bd_virt, iob, cons_id, (u32)iob_idx);
+ bp->rx.iob[iob_idx] = iob;
+
+ return 0;
+}
+
+void bnxt_mm_init(struct bnxt *bp, const char *func)
+{
+ memset(bp->hwrm_addr_req, 0, REQ_BUFFER_SIZE);
+ memset(bp->hwrm_addr_resp, 0, RESP_BUFFER_SIZE);
+ memset(bp->cq.bd_virt, 0, CQ_RING_DMA_BUFFER_SIZE);
+ memset(bp->tx.bd_virt, 0, TX_RING_DMA_BUFFER_SIZE);
+ memset(bp->rx.bd_virt, 0, RX_RING_DMA_BUFFER_SIZE);
+
+ bp->data_addr_mapping = virt_to_bus(bp->hwrm_addr_data);
+ bp->req_addr_mapping = virt_to_bus(bp->hwrm_addr_req);
+ bp->resp_addr_mapping = virt_to_bus(bp->hwrm_addr_resp);
+ bp->wait_link_timeout = LINK_DEFAULT_TIMEOUT;
+ bp->link_status = STATUS_LINK_DOWN;
+ bp->media_change = 1;
+ bp->mtu = MAX_ETHERNET_PACKET_BUFFER_SIZE;
+ bp->hwrm_max_req_len = HWRM_MAX_REQ_LEN;
+ bp->rx.buf_cnt = NUM_RX_BUFFERS;
+ bp->rx.ring_cnt = MAX_RX_DESC_CNT;
+ bp->tx.ring_cnt = MAX_TX_DESC_CNT;
+ bp->cq.ring_cnt = MAX_CQ_DESC_CNT;
+ bp->cq.completion_bit = 0x1;
+ bp->link_set = LINK_SPEED_DRV_100G;
+ dbg_mem(bp, func);
+}
+
+void bnxt_free_mem(struct bnxt *bp)
+{
+ if (bp->cq.bd_virt) {
+ free(bp->cq.bd_virt);
+ bp->cq.bd_virt = NULL;
+ }
+
+ if (bp->rx.bd_virt) {
+ free(bp->rx.bd_virt);
+ bp->rx.bd_virt = NULL;
+ }
+
+ if (bp->tx.bd_virt) {
+ free(bp->tx.bd_virt);
+ bp->tx.bd_virt = NULL;
+ }
+
+ if (bp->hwrm_addr_resp) {
+ free(bp->hwrm_addr_resp);
+ bp->resp_addr_mapping = 0;
+ bp->hwrm_addr_resp = NULL;
+ }
+
+ if (bp->hwrm_addr_req) {
+ free(bp->hwrm_addr_req);
+ bp->req_addr_mapping = 0;
+ bp->hwrm_addr_req = NULL;
+ }
+
+ if (bp->hwrm_addr_data) {
+ free(bp->hwrm_addr_data);
+ bp->data_addr_mapping = 0;
+ bp->hwrm_addr_data = NULL;
+ }
+
+ dbg_mem_free_done(__func__);
+}
+
+int bnxt_alloc_mem(struct bnxt *bp)
+{
+ bp->hwrm_addr_data = memalign(BNXT_DMA_ALIGNMENT, DMA_BUF_SIZE_ALIGNED);
+ bp->hwrm_addr_req = memalign(BNXT_DMA_ALIGNMENT, REQ_BUF_SIZE_ALIGNED);
+ bp->hwrm_addr_resp = MEM_HWRM_RESP;
+
+ memset(&bp->tx, 0, sizeof(struct lm_tx_info_t));
+ memset(&bp->rx, 0, sizeof(struct lm_rx_info_t));
+ memset(&bp->cq, 0, sizeof(struct lm_cmp_info_t));
+
+ bp->tx.bd_virt = memalign(BNXT_DMA_ALIGNMENT, TX_RING_DMA_BUFFER_SIZE);
+ bp->rx.bd_virt = memalign(BNXT_DMA_ALIGNMENT, RX_RING_DMA_BUFFER_SIZE);
+ bp->cq.bd_virt = memalign(BNXT_DMA_ALIGNMENT, CQ_RING_DMA_BUFFER_SIZE);
+
+ if (bp->hwrm_addr_req &&
+ bp->hwrm_addr_resp &&
+ bp->hwrm_addr_data &&
+ bp->tx.bd_virt &&
+ bp->rx.bd_virt &&
+ bp->cq.bd_virt) {
+ bnxt_mm_init(bp, __func__);
+ return STATUS_SUCCESS;
+ }
+
+ dbg_mem_alloc_fail(__func__);
+ bnxt_free_mem(bp);
+
+ return -ENOMEM;
+}
+
+static void hwrm_init(struct bnxt *bp, struct input *req, u16 cmd, u16 len)
+{
+ memset(req, 0, len);
+ req->req_type = cmd;
+ req->cmpl_ring = (u16)HWRM_NA_SIGNATURE;
+ req->target_id = (u16)HWRM_NA_SIGNATURE;
+ req->resp_addr = bp->resp_addr_mapping;
+ req->seq_id = bp->seq_id++;
+}
+
+static void hwrm_write_req(struct bnxt *bp, void *req, u32 cnt)
+{
+ u32 i = 0;
+
+ for (i = 0; i < cnt; i++)
+ writel(((u32 *)req)[i], bp->bar0 + GRC_COM_CHAN_BASE + (i * 4));
+
+ writel(0x1, (bp->bar0 + GRC_COM_CHAN_BASE + GRC_COM_CHAN_TRIG));
+}
+
+static void short_hwrm_cmd_req(struct bnxt *bp, u16 len)
+{
+ struct hwrm_short_input sreq;
+
+ memset(&sreq, 0, sizeof(struct hwrm_short_input));
+ sreq.req_type = (u16)((struct input *)bp->hwrm_addr_req)->req_type;
+ sreq.signature = SHORT_REQ_SIGNATURE_SHORT_CMD;
+ sreq.size = len;
+ sreq.req_addr = bp->req_addr_mapping;
+ dbg_short_cmd((u8 *)&sreq, __func__, sizeof(struct hwrm_short_input));
+ hwrm_write_req(bp, &sreq, sizeof(struct hwrm_short_input) / 4);
+}
+
+static int wait_resp(struct bnxt *bp, u32 tmo, u16 len, const char *func)
+{
+ struct input *req = (struct input *)bp->hwrm_addr_req;
+ struct output *resp = (struct output *)bp->hwrm_addr_resp;
+ u8 *ptr = (u8 *)resp;
+ u32 idx;
+ u32 wait_cnt = HWRM_CMD_DEFAULT_MULTIPLAYER((u32)tmo);
+ u16 resp_len = 0;
+ u16 ret = STATUS_TIMEOUT;
+
+ if (len > bp->hwrm_max_req_len)
+ short_hwrm_cmd_req(bp, len);
+ else
+ hwrm_write_req(bp, req, (u32)(len / 4));
+
+ for (idx = 0; idx < wait_cnt; idx++) {
+ resp_len = resp->resp_len;
+ if (resp->seq_id == req->seq_id && resp->req_type == req->req_type &&
+ ptr[resp_len - 1] == 1) {
+ bp->last_resp_code = resp->error_code;
+ ret = resp->error_code;
+ break;
+ }
+
+ udelay(HWRM_CMD_POLL_WAIT_TIME);
+ }
+
+ dbg_hw_cmd(bp, func, len, resp_len, tmo, ret);
+
+ return (int)ret;
+}
+
+static void bnxt_db_cq(struct bnxt *bp)
+{
+ writel(CQ_DOORBELL_KEY_IDX(bp->cq.cons_idx), bp->bar1);
+}
+
+static void bnxt_db_rx(struct bnxt *bp, u32 idx)
+{
+ writel(RX_DOORBELL_KEY_RX | idx, bp->bar1);
+}
+
+static void bnxt_db_tx(struct bnxt *bp, u32 idx)
+{
+ writel((u32)(TX_DOORBELL_KEY_TX | idx), bp->bar1);
+}
+
+int iob_pad(void *packet, int length)
+{
+ if (length >= ETH_ZLEN)
+ return length;
+
+ memset(((u8 *)packet + length), 0x00, (ETH_ZLEN - length));
+
+ return ETH_ZLEN;
+}
+
+static inline u32 bnxt_tx_avail(struct bnxt *bp)
+{
+ barrier();
+
+ return TX_AVAIL(bp->tx.ring_cnt) -
+ ((bp->tx.prod_id - bp->tx.cons_id) &
+ (bp->tx.ring_cnt - 1));
+}
+
+void set_txq(struct bnxt *bp, int entry, dma_addr_t mapping, int len)
+{
+ struct tx_bd_short *prod_bd;
+
+ prod_bd = (struct tx_bd_short *)BD_NOW(bp->tx.bd_virt,
+ entry,
+ sizeof(struct tx_bd_short));
+ if (len < 512)
+ prod_bd->flags_type = TX_BD_SHORT_FLAGS_LHINT_LT512;
+ else if (len < 1024)
+ prod_bd->flags_type = TX_BD_SHORT_FLAGS_LHINT_LT1K;
+ else if (len < 2048)
+ prod_bd->flags_type = TX_BD_SHORT_FLAGS_LHINT_LT2K;
+ else
+ prod_bd->flags_type = TX_BD_SHORT_FLAGS_LHINT_GTE2K;
+
+ prod_bd->flags_type |= TX_BD_FLAGS;
+ prod_bd->dma.addr = mapping;
+ prod_bd->len = len;
+ prod_bd->opaque = (u32)entry;
+ dump_tx_bd(prod_bd, (u16)(sizeof(struct tx_bd_short)));
+}
+
+static void bnxt_tx_complete(struct bnxt *bp)
+{
+ bp->tx.cons_id = NEXT_IDX(bp->tx.cons_id, bp->tx.ring_cnt);
+ bp->tx.cnt++;
+ dump_tx_stat(bp);
+}
+
+int post_rx_buffers(struct bnxt *bp)
+{
+ u16 cons_id = (bp->rx.cons_idx % bp->rx.ring_cnt);
+ u16 iob_idx;
+
+ while (bp->rx.iob_cnt < bp->rx.buf_cnt) {
+ iob_idx = (cons_id % bp->rx.buf_cnt);
+ if (!bp->rx.iob[iob_idx]) {
+ if (bnxt_alloc_rx_iob(bp, cons_id, iob_idx) < 0) {
+ dbg_rx_alloc_iob_fail(iob_idx, cons_id);
+ break;
+ }
+ }
+
+ cons_id = NEXT_IDX(cons_id, bp->rx.ring_cnt);
+ bp->rx.iob_cnt++;
+ }
+
+ if (cons_id != bp->rx.cons_idx) {
+ dbg_rx_cid(bp->rx.cons_idx, cons_id);
+ bp->rx.cons_idx = cons_id;
+ bnxt_db_rx(bp, (u32)cons_id);
+ }
+
+ FLAG_SET(bp->flag_hwrm, VALID_RX_IOB);
+
+ return STATUS_SUCCESS;
+}
+
+u8 bnxt_rx_drop(struct bnxt *bp, u8 *rx_buf, struct rx_pkt_cmpl_hi *rx_cmp_hi)
+{
+ u8 chksum_err = 0;
+ u8 i;
+ u16 error_flags;
+
+ error_flags = (rx_cmp_hi->errors_v2 >>
+ RX_PKT_CMPL_ERRORS_BUFFER_ERROR_SFT);
+ if (rx_cmp_hi->errors_v2 == 0x20 || rx_cmp_hi->errors_v2 == 0x21)
+ chksum_err = 1;
+
+ if (error_flags && !chksum_err) {
+ bp->rx.err++;
+ return 1;
+ }
+
+ for (i = 0; i < 6; i++) {
+ if (rx_buf[6 + i] != bp->mac_set[i])
+ break;
+ }
+
+ if (i == 6) {
+ bp->rx.dropped++;
+ return 2; /* Drop the loopback packets */
+ }
+
+ return 0;
+}
+
+static void bnxt_adv_cq_index(struct bnxt *bp, u16 count)
+{
+ u16 cons_idx = bp->cq.cons_idx + count;
+
+ if (cons_idx >= MAX_CQ_DESC_CNT) {
+ /* Toggle completion bit when the ring wraps. */
+ bp->cq.completion_bit ^= 1;
+ cons_idx = cons_idx - MAX_CQ_DESC_CNT;
+ }
+
+ bp->cq.cons_idx = cons_idx;
+}
+
+void bnxt_adv_rx_index(struct bnxt *bp, u8 *iob, u32 iob_idx)
+{
+ u16 cons_id = (bp->rx.cons_idx % bp->rx.ring_cnt);
+
+ set_rx_desc((u8 *)bp->rx.bd_virt, (void *)iob, cons_id, iob_idx);
+ cons_id = NEXT_IDX(cons_id, bp->rx.ring_cnt);
+ if (cons_id != bp->rx.cons_idx) {
+ dbg_rx_cid(bp->rx.cons_idx, cons_id);
+ bp->rx.cons_idx = cons_id;
+ bnxt_db_rx(bp, (u32)cons_id);
+ }
+}
+
+void rx_process(struct bnxt *bp, struct rx_pkt_cmpl *rx_cmp,
+ struct rx_pkt_cmpl_hi *rx_cmp_hi)
+{
+ u32 desc_idx = rx_cmp->opaque;
+ u8 *iob = bp->rx.iob[desc_idx];
+
+ dump_rx_bd(rx_cmp, rx_cmp_hi, desc_idx);
+ bp->rx.iob_len = rx_cmp->len;
+ bp->rx.iob_rx = iob;
+ if (bnxt_rx_drop(bp, iob, rx_cmp_hi))
+ bp->rx.iob_recv = PKT_DROPPED;
+ else
+ bp->rx.iob_recv = PKT_RECEIVED;
+
+ bp->rx.rx_cnt++;
+
+ dbg_rxp(bp->rx.iob_rx, bp->rx.iob_len, bp->rx.iob_recv);
+ bnxt_adv_rx_index(bp, iob, desc_idx);
+ bnxt_adv_cq_index(bp, 2); /* Rx completion is 2 entries. */
+}
+
+static int bnxt_rx_complete(struct bnxt *bp, struct rx_pkt_cmpl *rx_cmp)
+{
+ struct rx_pkt_cmpl_hi *rx_cmp_hi;
+ u8 completion_bit = bp->cq.completion_bit;
+
+ if (bp->cq.cons_idx == (bp->cq.ring_cnt - 1)) {
+ rx_cmp_hi = (struct rx_pkt_cmpl_hi *)bp->cq.bd_virt;
+ completion_bit ^= 0x1; /* Ring has wrapped. */
+ } else {
+ rx_cmp_hi = (struct rx_pkt_cmpl_hi *)(rx_cmp + 1);
+ }
+
+ if (!((rx_cmp_hi->errors_v2 & RX_PKT_CMPL_V2) ^ completion_bit))
+ rx_process(bp, rx_cmp, rx_cmp_hi);
+
+ return NO_MORE_CQ_BD_TO_SERVICE;
+}
+
+static int bnxt_hwrm_ver_get(struct bnxt *bp)
+{
+ u16 cmd_len = (u16)sizeof(struct hwrm_ver_get_input);
+ struct hwrm_ver_get_input *req;
+ struct hwrm_ver_get_output *resp;
+ int rc;
+
+ req = (struct hwrm_ver_get_input *)bp->hwrm_addr_req;
+ resp = (struct hwrm_ver_get_output *)bp->hwrm_addr_resp;
+ hwrm_init(bp, (void *)req, (u16)HWRM_VER_GET, cmd_len);
+ req->hwrm_intf_maj = HWRM_VERSION_MAJOR;
+ req->hwrm_intf_min = HWRM_VERSION_MINOR;
+ req->hwrm_intf_upd = HWRM_VERSION_UPDATE;
+ rc = wait_resp(bp, HWRM_CMD_DEFAULT_TIMEOUT, cmd_len, __func__);
+ if (rc)
+ return STATUS_FAILURE;
+
+ bp->hwrm_spec_code =
+ resp->hwrm_intf_maj_8b << 16 |
+ resp->hwrm_intf_min_8b << 8 |
+ resp->hwrm_intf_upd_8b;
+ bp->hwrm_cmd_timeout = (u32)resp->def_req_timeout;
+ if (!bp->hwrm_cmd_timeout)
+ bp->hwrm_cmd_timeout = (u32)HWRM_CMD_DEFAULT_TIMEOUT;
+
+ if (resp->hwrm_intf_maj_8b >= 1)
+ bp->hwrm_max_req_len = resp->max_req_win_len;
+
+ bp->chip_id =
+ resp->chip_rev << 24 |
+ resp->chip_metal << 16 |
+ resp->chip_bond_id << 8 |
+ resp->chip_platform_type;
+ bp->chip_num = resp->chip_num;
+ if ((resp->dev_caps_cfg & SHORT_CMD_SUPPORTED) &&
+ (resp->dev_caps_cfg & SHORT_CMD_REQUIRED))
+ FLAG_SET(bp->flags, BNXT_FLAG_HWRM_SHORT_CMD_SUPP);
+
+ bp->hwrm_max_ext_req_len = resp->max_ext_req_len;
+ bp->fw_maj = resp->hwrm_fw_maj_8b;
+ bp->fw_min = resp->hwrm_fw_min_8b;
+ bp->fw_bld = resp->hwrm_fw_bld_8b;
+ bp->fw_rsvd = resp->hwrm_fw_rsvd_8b;
+ print_fw_ver(resp, bp->hwrm_cmd_timeout);
+
+ return STATUS_SUCCESS;
+}
+
+/* Broadcom ethernet driver Function HW cmds APIs. */
+static int bnxt_hwrm_func_resource_qcaps(struct bnxt *bp)
+{
+ u16 cmd_len = (u16)sizeof(struct hwrm_func_resource_qcaps_input);
+ struct hwrm_func_resource_qcaps_input *req;
+ struct hwrm_func_resource_qcaps_output *resp;
+ int rc;
+
+ req = (struct hwrm_func_resource_qcaps_input *)bp->hwrm_addr_req;
+ resp = (struct hwrm_func_resource_qcaps_output *)bp->hwrm_addr_resp;
+ hwrm_init(bp, (void *)req, (u16)HWRM_FUNC_RESOURCE_QCAPS, cmd_len);
+ req->fid = (u16)HWRM_NA_SIGNATURE;
+ rc = wait_resp(bp, bp->hwrm_cmd_timeout, cmd_len, __func__);
+ if (rc != STATUS_SUCCESS)
+ return STATUS_SUCCESS;
+
+ FLAG_SET(bp->flags, BNXT_FLAG_RESOURCE_QCAPS_SUPPORT);
+ /* VFs */
+ bp->max_vfs = resp->max_vfs;
+ bp->vf_res_strategy = resp->vf_reservation_strategy;
+ /* vNICs */
+ bp->min_vnics = resp->min_vnics;
+ bp->max_vnics = resp->max_vnics;
+ /* MSI-X */
+ bp->max_msix = resp->max_msix;
+ /* Ring Groups */
+ bp->min_hw_ring_grps = resp->min_hw_ring_grps;
+ bp->max_hw_ring_grps = resp->max_hw_ring_grps;
+ /* TX Rings */
+ bp->min_tx_rings = resp->min_tx_rings;
+ bp->max_tx_rings = resp->max_tx_rings;
+ /* RX Rings */
+ bp->min_rx_rings = resp->min_rx_rings;
+ bp->max_rx_rings = resp->max_rx_rings;
+ /* Completion Rings */
+ bp->min_cp_rings = resp->min_cmpl_rings;
+ bp->max_cp_rings = resp->max_cmpl_rings;
+ /* RSS Contexts */
+ bp->min_rsscos_ctxs = resp->min_rsscos_ctx;
+ bp->max_rsscos_ctxs = resp->max_rsscos_ctx;
+ /* L2 Contexts */
+ bp->min_l2_ctxs = resp->min_l2_ctxs;
+ bp->max_l2_ctxs = resp->max_l2_ctxs;
+ /* Statistic Contexts */
+ bp->min_stat_ctxs = resp->min_stat_ctx;
+ bp->max_stat_ctxs = resp->max_stat_ctx;
+ dbg_func_resource_qcaps(bp);
+
+ return STATUS_SUCCESS;
+}
+
+static u32 set_ring_info(struct bnxt *bp)
+{
+ u32 enables = 0;
+
+ bp->num_cmpl_rings = DEFAULT_NUMBER_OF_CMPL_RINGS;
+ bp->num_tx_rings = DEFAULT_NUMBER_OF_TX_RINGS;
+ bp->num_rx_rings = DEFAULT_NUMBER_OF_RX_RINGS;
+ bp->num_hw_ring_grps = DEFAULT_NUMBER_OF_RING_GRPS;
+ bp->num_stat_ctxs = DEFAULT_NUMBER_OF_STAT_CTXS;
+ if (bp->min_cp_rings <= DEFAULT_NUMBER_OF_CMPL_RINGS)
+ bp->num_cmpl_rings = bp->min_cp_rings;
+
+ if (bp->min_tx_rings <= DEFAULT_NUMBER_OF_TX_RINGS)
+ bp->num_tx_rings = bp->min_tx_rings;
+
+ if (bp->min_rx_rings <= DEFAULT_NUMBER_OF_RX_RINGS)
+ bp->num_rx_rings = bp->min_rx_rings;
+
+ if (bp->min_hw_ring_grps <= DEFAULT_NUMBER_OF_RING_GRPS)
+ bp->num_hw_ring_grps = bp->min_hw_ring_grps;
+
+ if (bp->min_stat_ctxs <= DEFAULT_NUMBER_OF_STAT_CTXS)
+ bp->num_stat_ctxs = bp->min_stat_ctxs;
+
+ print_num_rings(bp);
+ enables = (FUNC_CFG_REQ_ENABLES_NUM_CMPL_RINGS |
+ FUNC_CFG_REQ_ENABLES_NUM_TX_RINGS |
+ FUNC_CFG_REQ_ENABLES_NUM_RX_RINGS |
+ FUNC_CFG_REQ_ENABLES_NUM_STAT_CTXS |
+ FUNC_CFG_REQ_ENABLES_NUM_HW_RING_GRPS);
+
+ return enables;
+}
+
+static void bnxt_hwrm_assign_resources(struct bnxt *bp)
+{
+ struct hwrm_func_cfg_input *req;
+ u32 enables = 0;
+
+ if (FLAG_TEST(bp->flags, BNXT_FLAG_RESOURCE_QCAPS_SUPPORT))
+ enables = set_ring_info(bp);
+
+ req = (struct hwrm_func_cfg_input *)bp->hwrm_addr_req;
+ req->num_cmpl_rings = bp->num_cmpl_rings;
+ req->num_tx_rings = bp->num_tx_rings;
+ req->num_rx_rings = bp->num_rx_rings;
+ req->num_stat_ctxs = bp->num_stat_ctxs;
+ req->num_hw_ring_grps = bp->num_hw_ring_grps;
+ req->enables = enables;
+}
+
+int bnxt_hwrm_nvm_flush(struct bnxt *bp)
+{
+ u16 cmd_len = (u16)sizeof(struct hwrm_nvm_flush_input);
+ struct hwrm_nvm_flush_input *req;
+ int rc;
+
+ req = (struct hwrm_nvm_flush_input *)bp->hwrm_addr_req;
+
+ hwrm_init(bp, (void *)req, (u16)HWRM_NVM_FLUSH, cmd_len);
+
+ rc = wait_resp(bp, bp->hwrm_cmd_timeout, cmd_len, __func__);
+ if (rc)
+ return STATUS_FAILURE;
+
+ return STATUS_SUCCESS;
+}
+
+static int bnxt_hwrm_func_qcaps_req(struct bnxt *bp)
+{
+ u16 cmd_len = (u16)sizeof(struct hwrm_func_qcaps_input);
+ struct hwrm_func_qcaps_input *req;
+ struct hwrm_func_qcaps_output *resp;
+ int rc;
+
+ req = (struct hwrm_func_qcaps_input *)bp->hwrm_addr_req;
+ resp = (struct hwrm_func_qcaps_output *)bp->hwrm_addr_resp;
+ hwrm_init(bp, (void *)req, (u16)HWRM_FUNC_QCAPS, cmd_len);
+ req->fid = (u16)HWRM_NA_SIGNATURE;
+ rc = wait_resp(bp, bp->hwrm_cmd_timeout, cmd_len, __func__);
+ if (rc)
+ return STATUS_FAILURE;
+
+ bp->fid = resp->fid;
+ bp->port_idx = (u8)resp->port_id;
+
+ /* Get MAC address for this PF */
+ memcpy(&bp->mac_addr[0], &resp->mac_address[0], ETH_ALEN);
+
+ memcpy(&bp->mac_set[0], &bp->mac_addr[0], ETH_ALEN);
+
+ print_func_qcaps(bp);
+
+ return STATUS_SUCCESS;
+}
+
+static int bnxt_hwrm_func_qcfg_req(struct bnxt *bp)
+{
+ u16 cmd_len = (u16)sizeof(struct hwrm_func_qcfg_input);
+ struct hwrm_func_qcfg_input *req;
+ struct hwrm_func_qcfg_output *resp;
+ int rc;
+
+ req = (struct hwrm_func_qcfg_input *)bp->hwrm_addr_req;
+ resp = (struct hwrm_func_qcfg_output *)bp->hwrm_addr_resp;
+ hwrm_init(bp, (void *)req, (u16)HWRM_FUNC_QCFG, cmd_len);
+ req->fid = (u16)HWRM_NA_SIGNATURE;
+ rc = wait_resp(bp, bp->hwrm_cmd_timeout, cmd_len, __func__);
+ if (rc)
+ return STATUS_FAILURE;
+
+ if (resp->flags & FUNC_QCFG_RESP_FLAGS_MULTI_HOST)
+ FLAG_SET(bp->flags, BNXT_FLAG_MULTI_HOST);
+
+ if (resp->port_partition_type &
+ FUNC_QCFG_RESP_PORT_PARTITION_TYPE_NPAR1_0)
+ FLAG_SET(bp->flags, BNXT_FLAG_NPAR_MODE);
+
+ bp->ordinal_value = (u8)resp->pci_id & 0x0F;
+ bp->stat_ctx_id = resp->stat_ctx_id;
+ memcpy(&bp->mac_addr[0], &resp->mac_address[0], ETH_ALEN);
+ print_func_qcfg(bp);
+ dbg_flags(__func__, bp->flags);
+
+ return STATUS_SUCCESS;
+}
+
+static int bnxt_hwrm_func_reset_req(struct bnxt *bp)
+{
+ u16 cmd_len = (u16)sizeof(struct hwrm_func_reset_input);
+ struct hwrm_func_reset_input *req;
+
+ req = (struct hwrm_func_reset_input *)bp->hwrm_addr_req;
+ hwrm_init(bp, (void *)req, (u16)HWRM_FUNC_RESET, cmd_len);
+ req->func_reset_level = FUNC_RESET_REQ_FUNC_RESET_LEVEL_RESETME;
+
+ return wait_resp(bp, bp->hwrm_cmd_timeout, cmd_len, __func__);
+}
+
+static int bnxt_hwrm_func_cfg_req(struct bnxt *bp)
+{
+ u16 cmd_len = (u16)sizeof(struct hwrm_func_cfg_input);
+ struct hwrm_func_cfg_input *req;
+
+ req = (struct hwrm_func_cfg_input *)bp->hwrm_addr_req;
+ hwrm_init(bp, (void *)req, (u16)HWRM_FUNC_CFG, cmd_len);
+ req->fid = (u16)HWRM_NA_SIGNATURE;
+ bnxt_hwrm_assign_resources(bp);
+
+ return wait_resp(bp, bp->hwrm_cmd_timeout, cmd_len, __func__);
+}
+
+static int bnxt_hwrm_func_drv_rgtr(struct bnxt *bp)
+{
+ u16 cmd_len = (u16)sizeof(struct hwrm_func_drv_rgtr_input);
+ struct hwrm_func_drv_rgtr_input *req;
+ int rc;
+
+ req = (struct hwrm_func_drv_rgtr_input *)bp->hwrm_addr_req;
+ hwrm_init(bp, (void *)req, (u16)HWRM_FUNC_DRV_RGTR, cmd_len);
+ /* Register with HWRM */
+ req->enables = FUNC_DRV_RGTR_REQ_ENABLES_OS_TYPE |
+ FUNC_DRV_RGTR_REQ_ENABLES_ASYNC_EVENT_FWD |
+ FUNC_DRV_RGTR_REQ_ENABLES_VER;
+ req->async_event_fwd[0] |= 0x01;
+ req->os_type = FUNC_DRV_RGTR_REQ_OS_TYPE_OTHER;
+ req->ver_maj = DRIVER_VERSION_MAJOR;
+ req->ver_min = DRIVER_VERSION_MINOR;
+ req->ver_upd = DRIVER_VERSION_UPDATE;
+ rc = wait_resp(bp, bp->hwrm_cmd_timeout, cmd_len, __func__);
+ if (rc)
+ return STATUS_FAILURE;
+
+ FLAG_SET(bp->flag_hwrm, VALID_DRIVER_REG);
+
+ return STATUS_SUCCESS;
+}
+
+static int bnxt_hwrm_func_drv_unrgtr(struct bnxt *bp)
+{
+ u16 cmd_len = (u16)sizeof(struct hwrm_func_drv_unrgtr_input);
+ struct hwrm_func_drv_unrgtr_input *req;
+ int rc;
+
+ if (!(FLAG_TEST(bp->flag_hwrm, VALID_DRIVER_REG)))
+ return STATUS_SUCCESS;
+
+ req = (struct hwrm_func_drv_unrgtr_input *)bp->hwrm_addr_req;
+ hwrm_init(bp, (void *)req, (u16)HWRM_FUNC_DRV_UNRGTR, cmd_len);
+ req->flags = FUNC_DRV_UNRGTR_REQ_FLAGS_PREPARE_FOR_SHUTDOWN;
+ rc = wait_resp(bp, bp->hwrm_cmd_timeout, cmd_len, __func__);
+ if (rc)
+ return STATUS_FAILURE;
+
+ FLAG_RESET(bp->flag_hwrm, VALID_DRIVER_REG);
+
+ return STATUS_SUCCESS;
+}
+
+static int bnxt_hwrm_cfa_l2_filter_alloc(struct bnxt *bp)
+{
+ u16 cmd_len = (u16)sizeof(struct hwrm_cfa_l2_filter_alloc_input);
+ struct hwrm_cfa_l2_filter_alloc_input *req;
+ struct hwrm_cfa_l2_filter_alloc_output *resp;
+ int rc;
+ u32 flags = CFA_L2_FILTER_ALLOC_REQ_FLAGS_PATH_RX;
+ u32 enables;
+
+ req = (struct hwrm_cfa_l2_filter_alloc_input *)bp->hwrm_addr_req;
+ resp = (struct hwrm_cfa_l2_filter_alloc_output *)bp->hwrm_addr_resp;
+ enables = CFA_L2_FILTER_ALLOC_REQ_ENABLES_DST_ID |
+ CFA_L2_FILTER_ALLOC_REQ_ENABLES_L2_ADDR |
+ CFA_L2_FILTER_ALLOC_REQ_ENABLES_L2_ADDR_MASK;
+
+ hwrm_init(bp, (void *)req, (u16)HWRM_CFA_L2_FILTER_ALLOC, cmd_len);
+ req->flags = flags;
+ req->enables = enables;
+ memcpy((char *)&req->l2_addr[0], (char *)&bp->mac_set[0], ETH_ALEN);
+ memset((char *)&req->l2_addr_mask[0], 0xff, ETH_ALEN);
+ memcpy((char *)&req->t_l2_addr[0], (char *)&bp->mac_set[0], ETH_ALEN);
+ memset((char *)&req->t_l2_addr_mask[0], 0xff, ETH_ALEN);
+ req->src_type = CFA_L2_FILTER_ALLOC_REQ_SRC_TYPE_NPORT;
+ req->src_id = (u32)bp->port_idx;
+ req->dst_id = bp->vnic_id;
+ rc = wait_resp(bp, bp->hwrm_cmd_timeout, cmd_len, __func__);
+ if (rc)
+ return STATUS_FAILURE;
+
+ FLAG_SET(bp->flag_hwrm, VALID_L2_FILTER);
+ bp->l2_filter_id = resp->l2_filter_id;
+
+ return STATUS_SUCCESS;
+}
+
+static int bnxt_hwrm_cfa_l2_filter_free(struct bnxt *bp)
+{
+ u16 cmd_len = (u16)sizeof(struct hwrm_cfa_l2_filter_free_input);
+ struct hwrm_cfa_l2_filter_free_input *req;
+ int rc;
+
+ if (!(FLAG_TEST(bp->flag_hwrm, VALID_L2_FILTER)))
+ return STATUS_SUCCESS;
+
+ req = (struct hwrm_cfa_l2_filter_free_input *)bp->hwrm_addr_req;
+ hwrm_init(bp, (void *)req, (u16)HWRM_CFA_L2_FILTER_FREE, cmd_len);
+ req->l2_filter_id = bp->l2_filter_id;
+ rc = wait_resp(bp, bp->hwrm_cmd_timeout, cmd_len, __func__);
+ if (rc)
+ return STATUS_FAILURE;
+
+ FLAG_RESET(bp->flag_hwrm, VALID_L2_FILTER);
+
+ return STATUS_SUCCESS;
+}
+
+u32 bnxt_set_rx_mask(u32 rx_mask)
+{
+ u32 mask = 0;
+
+ if (!rx_mask)
+ return mask;
+ mask = CFA_L2_SET_RX_MASK_REQ_MASK_BCAST;
+ if (rx_mask != RX_MASK_ACCEPT_NONE) {
+ if (rx_mask & RX_MASK_ACCEPT_MULTICAST)
+ mask |= CFA_L2_SET_RX_MASK_REQ_MASK_MCAST;
+
+ if (rx_mask & RX_MASK_ACCEPT_ALL_MULTICAST)
+ mask |= CFA_L2_SET_RX_MASK_REQ_MASK_ALL_MCAST;
+
+ if (rx_mask & RX_MASK_PROMISCUOUS_MODE)
+ mask |= CFA_L2_SET_RX_MASK_REQ_MASK_PROMISCUOUS;
+ }
+
+ return mask;
+}
+
+static int bnxt_hwrm_set_rx_mask(struct bnxt *bp, u32 rx_mask)
+{
+ u16 cmd_len = (u16)sizeof(struct hwrm_cfa_l2_set_rx_mask_input);
+ struct hwrm_cfa_l2_set_rx_mask_input *req;
+ u32 mask = bnxt_set_rx_mask(rx_mask);
+
+ req = (struct hwrm_cfa_l2_set_rx_mask_input *)bp->hwrm_addr_req;
+ hwrm_init(bp, (void *)req, (u16)HWRM_CFA_L2_SET_RX_MASK, cmd_len);
+ req->vnic_id = bp->vnic_id;
+ req->mask = mask;
+
+ return wait_resp(bp, bp->hwrm_cmd_timeout, cmd_len, __func__);
+}
+
+static int bnxt_hwrm_port_mac_cfg(struct bnxt *bp)
+{
+ u16 cmd_len = (u16)sizeof(struct hwrm_port_mac_cfg_input);
+ struct hwrm_port_mac_cfg_input *req;
+
+ req = (struct hwrm_port_mac_cfg_input *)bp->hwrm_addr_req;
+ hwrm_init(bp, (void *)req, (u16)HWRM_PORT_MAC_CFG, cmd_len);
+ req->lpbk = PORT_MAC_CFG_REQ_LPBK_NONE;
+
+ return wait_resp(bp, bp->hwrm_cmd_timeout, cmd_len, __func__);
+}
+
+static int bnxt_hwrm_port_phy_qcfg(struct bnxt *bp, u16 idx)
+{
+ u16 cmd_len = (u16)sizeof(struct hwrm_port_phy_qcfg_input);
+ struct hwrm_port_phy_qcfg_input *req;
+ struct hwrm_port_phy_qcfg_output *resp;
+ int rc;
+
+ req = (struct hwrm_port_phy_qcfg_input *)bp->hwrm_addr_req;
+ resp = (struct hwrm_port_phy_qcfg_output *)bp->hwrm_addr_resp;
+ hwrm_init(bp, (void *)req, (u16)HWRM_PORT_PHY_QCFG, cmd_len);
+ rc = wait_resp(bp, bp->hwrm_cmd_timeout, cmd_len, __func__);
+ if (rc)
+ return STATUS_FAILURE;
+
+ if (idx & SUPPORT_SPEEDS)
+ bp->support_speeds = resp->support_speeds;
+
+ if (idx & DETECT_MEDIA)
+ bp->media_detect = resp->module_status;
+
+ if (idx & PHY_SPEED)
+ bp->current_link_speed = resp->link_speed;
+
+ if (idx & PHY_STATUS) {
+ if (resp->link == PORT_PHY_QCFG_RESP_LINK_LINK)
+ bp->link_status = STATUS_LINK_ACTIVE;
+ else
+ bp->link_status = STATUS_LINK_DOWN;
+ }
+
+ return STATUS_SUCCESS;
+}
+
+u16 set_link_speed_mask(u16 link_cap)
+{
+ u16 speed_mask = 0;
+
+ if (link_cap & SPEED_CAPABILITY_DRV_100M)
+ speed_mask |= PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_MASK_100MB;
+
+ if (link_cap & SPEED_CAPABILITY_DRV_1G)
+ speed_mask |= PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_MASK_1GB;
+
+ if (link_cap & SPEED_CAPABILITY_DRV_10G)
+ speed_mask |= PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_MASK_10GB;
+
+ if (link_cap & SPEED_CAPABILITY_DRV_25G)
+ speed_mask |= PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_MASK_25GB;
+
+ if (link_cap & SPEED_CAPABILITY_DRV_40G)
+ speed_mask |= PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_MASK_40GB;
+
+ if (link_cap & SPEED_CAPABILITY_DRV_50G)
+ speed_mask |= PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_MASK_50GB;
+
+ if (link_cap & SPEED_CAPABILITY_DRV_100G)
+ speed_mask |= PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_MASK_100GB;
+
+ return speed_mask;
+}
+
+static int bnxt_hwrm_port_phy_cfg(struct bnxt *bp)
+{
+ u16 cmd_len = (u16)sizeof(struct hwrm_port_phy_cfg_input);
+ struct hwrm_port_phy_cfg_input *req;
+ u32 flags;
+ u32 enables = 0;
+ u16 force_link_speed = 0;
+ u16 auto_link_speed_mask = 0;
+ u8 auto_mode = 0;
+ u8 auto_pause = 0;
+ u8 auto_duplex = 0;
+
+ /*
+ * If multi_host or NPAR is set to TRUE,
+ * do not issue hwrm_port_phy_cfg
+ */
+ if (FLAG_TEST(bp->flags, PORT_PHY_FLAGS)) {
+ dbg_flags(__func__, bp->flags);
+ return STATUS_SUCCESS;
+ }
+
+ req = (struct hwrm_port_phy_cfg_input *)bp->hwrm_addr_req;
+ flags = PORT_PHY_CFG_REQ_FLAGS_FORCE |
+ PORT_PHY_CFG_REQ_FLAGS_RESET_PHY;
+
+ switch (GET_MEDIUM_SPEED(bp->medium)) {
+ case MEDIUM_SPEED_1000MBPS:
+ force_link_speed = PORT_PHY_CFG_REQ_FORCE_LINK_SPEED_1GB;
+ break;
+ case MEDIUM_SPEED_10GBPS:
+ force_link_speed = PORT_PHY_CFG_REQ_FORCE_LINK_SPEED_10GB;
+ break;
+ case MEDIUM_SPEED_25GBPS:
+ force_link_speed = PORT_PHY_CFG_REQ_FORCE_LINK_SPEED_25GB;
+ break;
+ case MEDIUM_SPEED_40GBPS:
+ force_link_speed = PORT_PHY_CFG_REQ_FORCE_LINK_SPEED_40GB;
+ break;
+ case MEDIUM_SPEED_50GBPS:
+ force_link_speed = PORT_PHY_CFG_REQ_FORCE_LINK_SPEED_50GB;
+ break;
+ case MEDIUM_SPEED_100GBPS:
+ force_link_speed = PORT_PHY_CFG_REQ_FORCE_LINK_SPEED_100GB;
+ break;
+ default:
+ /* Enable AUTONEG by default */
+ auto_mode = PORT_PHY_CFG_REQ_AUTO_MODE_SPEED_MASK;
+ flags &= ~PORT_PHY_CFG_REQ_FLAGS_FORCE;
+ enables |= PORT_PHY_CFG_REQ_ENABLES_AUTO_MODE |
+ PORT_PHY_CFG_REQ_ENABLES_AUTO_LINK_SPEED_MASK |
+ PORT_PHY_CFG_REQ_ENABLES_AUTO_DUPLEX |
+ PORT_PHY_CFG_REQ_ENABLES_AUTO_PAUSE;
+ auto_pause = PORT_PHY_CFG_REQ_AUTO_PAUSE_TX |
+ PORT_PHY_CFG_REQ_AUTO_PAUSE_RX;
+ auto_duplex = PORT_PHY_CFG_REQ_AUTO_DUPLEX_BOTH;
+ auto_link_speed_mask = bp->support_speeds;
+ break;
+ }
+
+ hwrm_init(bp, (void *)req, (u16)HWRM_PORT_PHY_CFG, cmd_len);
+ req->flags = flags;
+ req->enables = enables;
+ req->port_id = bp->port_idx;
+ req->force_link_speed = force_link_speed;
+ req->auto_mode = auto_mode;
+ req->auto_duplex = auto_duplex;
+ req->auto_pause = auto_pause;
+ req->auto_link_speed_mask = auto_link_speed_mask;
+
+ return wait_resp(bp, bp->hwrm_cmd_timeout, cmd_len, __func__);
+}
+
+static int bnxt_qphy_link(struct bnxt *bp)
+{
+ u16 flag = QCFG_PHY_ALL;
+
+ /* Query Link Status */
+ if (bnxt_hwrm_port_phy_qcfg(bp, flag) != STATUS_SUCCESS)
+ return STATUS_FAILURE;
+
+ if (bp->link_status != STATUS_LINK_ACTIVE) {
+ /*
+ * Configure link if it is not up.
+ * try to bring link up, but don't return
+ * failure if port_phy_cfg() fails
+ */
+ bnxt_hwrm_port_phy_cfg(bp);
+ /* refresh link speed values after bringing link up */
+ if (bnxt_hwrm_port_phy_qcfg(bp, flag) != STATUS_SUCCESS)
+ return STATUS_FAILURE;
+ }
+
+ return STATUS_SUCCESS;
+}
+
+static int bnxt_hwrm_stat_ctx_alloc(struct bnxt *bp)
+{
+ u16 cmd_len = (u16)sizeof(struct hwrm_stat_ctx_alloc_input);
+ struct hwrm_stat_ctx_alloc_input *req;
+ struct hwrm_stat_ctx_alloc_output *resp;
+ int rc;
+
+ req = (struct hwrm_stat_ctx_alloc_input *)bp->hwrm_addr_req;
+ resp = (struct hwrm_stat_ctx_alloc_output *)bp->hwrm_addr_resp;
+ hwrm_init(bp, (void *)req, (u16)HWRM_STAT_CTX_ALLOC, cmd_len);
+ rc = wait_resp(bp, bp->hwrm_cmd_timeout, cmd_len, __func__);
+ if (rc)
+ return STATUS_FAILURE;
+
+ FLAG_SET(bp->flag_hwrm, VALID_STAT_CTX);
+ bp->stat_ctx_id = (u16)resp->stat_ctx_id;
+
+ return STATUS_SUCCESS;
+}
+
+static int bnxt_hwrm_stat_ctx_free(struct bnxt *bp)
+{
+ u16 cmd_len = (u16)sizeof(struct hwrm_stat_ctx_free_input);
+ struct hwrm_stat_ctx_free_input *req;
+ int rc;
+
+ if (!(FLAG_TEST(bp->flag_hwrm, VALID_STAT_CTX)))
+ return STATUS_SUCCESS;
+
+ req = (struct hwrm_stat_ctx_free_input *)bp->hwrm_addr_req;
+ hwrm_init(bp, (void *)req, (u16)HWRM_STAT_CTX_FREE, cmd_len);
+ req->stat_ctx_id = (u32)bp->stat_ctx_id;
+ rc = wait_resp(bp, bp->hwrm_cmd_timeout, cmd_len, __func__);
+ if (rc)
+ return STATUS_FAILURE;
+
+ FLAG_RESET(bp->flag_hwrm, VALID_STAT_CTX);
+
+ return STATUS_SUCCESS;
+}
+
+static int bnxt_hwrm_ring_free_grp(struct bnxt *bp)
+{
+ u16 cmd_len = (u16)sizeof(struct hwrm_ring_grp_free_input);
+ struct hwrm_ring_grp_free_input *req;
+ int rc;
+
+ if (!(FLAG_TEST(bp->flag_hwrm, VALID_RING_GRP)))
+ return STATUS_SUCCESS;
+
+ req = (struct hwrm_ring_grp_free_input *)bp->hwrm_addr_req;
+ hwrm_init(bp, (void *)req, (u16)HWRM_RING_GRP_FREE, cmd_len);
+ req->ring_group_id = (u32)bp->ring_grp_id;
+ rc = wait_resp(bp, bp->hwrm_cmd_timeout, cmd_len, __func__);
+ if (rc)
+ return STATUS_FAILURE;
+
+ FLAG_RESET(bp->flag_hwrm, VALID_RING_GRP);
+
+ return STATUS_SUCCESS;
+}
+
+static int bnxt_hwrm_ring_alloc_grp(struct bnxt *bp)
+{
+ u16 cmd_len = (u16)sizeof(struct hwrm_ring_grp_alloc_input);
+ struct hwrm_ring_grp_alloc_input *req;
+ struct hwrm_ring_grp_alloc_output *resp;
+ int rc;
+
+ req = (struct hwrm_ring_grp_alloc_input *)bp->hwrm_addr_req;
+ resp = (struct hwrm_ring_grp_alloc_output *)bp->hwrm_addr_resp;
+ hwrm_init(bp, (void *)req, (u16)HWRM_RING_GRP_ALLOC, cmd_len);
+ req->cr = bp->cq_ring_id;
+ req->rr = bp->rx_ring_id;
+ req->ar = (u16)HWRM_NA_SIGNATURE;
+ rc = wait_resp(bp, bp->hwrm_cmd_timeout, cmd_len, __func__);
+ if (rc)
+ return STATUS_FAILURE;
+
+ FLAG_SET(bp->flag_hwrm, VALID_RING_GRP);
+ bp->ring_grp_id = (u16)resp->ring_group_id;
+
+ return STATUS_SUCCESS;
+}
+
+int bnxt_hwrm_ring_free(struct bnxt *bp, u16 ring_id, u8 ring_type)
+{
+ u16 cmd_len = (u16)sizeof(struct hwrm_ring_free_input);
+ struct hwrm_ring_free_input *req;
+
+ req = (struct hwrm_ring_free_input *)bp->hwrm_addr_req;
+ hwrm_init(bp, (void *)req, (u16)HWRM_RING_FREE, cmd_len);
+ req->ring_type = ring_type;
+ req->ring_id = ring_id;
+
+ return wait_resp(bp, bp->hwrm_cmd_timeout, cmd_len, __func__);
+}
+
+static int bnxt_hwrm_ring_alloc(struct bnxt *bp,
+ dma_addr_t ring_map,
+ u16 length,
+ u16 ring_id,
+ u8 ring_type,
+ u8 int_mode)
+{
+ u16 cmd_len = (u16)sizeof(struct hwrm_ring_alloc_input);
+ struct hwrm_ring_alloc_input *req;
+ struct hwrm_ring_alloc_output *resp;
+ int rc;
+
+ req = (struct hwrm_ring_alloc_input *)bp->hwrm_addr_req;
+ resp = (struct hwrm_ring_alloc_output *)bp->hwrm_addr_resp;
+ hwrm_init(bp, (void *)req, (u16)HWRM_RING_ALLOC, cmd_len);
+ req->ring_type = ring_type;
+ req->page_tbl_addr = ring_map;
+ req->page_size = LM_PAGE_SIZE;
+ req->length = (u32)length;
+ req->cmpl_ring_id = ring_id;
+ req->int_mode = int_mode;
+ if (ring_type == RING_ALLOC_REQ_RING_TYPE_TX) {
+ req->queue_id = TX_RING_QID;
+ } else if (ring_type == RING_ALLOC_REQ_RING_TYPE_RX) {
+ req->queue_id = RX_RING_QID;
+ req->enables = RING_ALLOC_REQ_ENABLES_RX_BUF_SIZE_VALID;
+ req->rx_buf_size = MAX_ETHERNET_PACKET_BUFFER_SIZE;
+ }
+
+ rc = wait_resp(bp, bp->hwrm_cmd_timeout, cmd_len, __func__);
+ if (rc)
+ return STATUS_FAILURE;
+
+ if (ring_type == RING_ALLOC_REQ_RING_TYPE_L2_CMPL) {
+ FLAG_SET(bp->flag_hwrm, VALID_RING_CQ);
+ bp->cq_ring_id = resp->ring_id;
+ } else if (ring_type == RING_ALLOC_REQ_RING_TYPE_TX) {
+ FLAG_SET(bp->flag_hwrm, VALID_RING_TX);
+ bp->tx_ring_id = resp->ring_id;
+ } else if (ring_type == RING_ALLOC_REQ_RING_TYPE_RX) {
+ FLAG_SET(bp->flag_hwrm, VALID_RING_RX);
+ bp->rx_ring_id = resp->ring_id;
+ }
+
+ return STATUS_SUCCESS;
+}
+
+static int bnxt_hwrm_ring_alloc_cq(struct bnxt *bp)
+{
+ return bnxt_hwrm_ring_alloc(bp,
+ virt_to_bus(bp->cq.bd_virt),
+ bp->cq.ring_cnt,
+ 0,
+ RING_ALLOC_REQ_RING_TYPE_L2_CMPL,
+ BNXT_CQ_INTR_MODE());
+}
+
+static int bnxt_hwrm_ring_alloc_tx(struct bnxt *bp)
+{
+ return bnxt_hwrm_ring_alloc(bp,
+ virt_to_bus(bp->tx.bd_virt),
+ bp->tx.ring_cnt, bp->cq_ring_id,
+ RING_ALLOC_REQ_RING_TYPE_TX,
+ BNXT_INTR_MODE());
+}
+
+static int bnxt_hwrm_ring_alloc_rx(struct bnxt *bp)
+{
+ return bnxt_hwrm_ring_alloc(bp,
+ virt_to_bus(bp->rx.bd_virt),
+ bp->rx.ring_cnt,
+ bp->cq_ring_id,
+ RING_ALLOC_REQ_RING_TYPE_RX,
+ BNXT_INTR_MODE());
+}
+
+static int bnxt_hwrm_ring_free_cq(struct bnxt *bp)
+{
+ int ret = STATUS_SUCCESS;
+
+ if (!(FLAG_TEST(bp->flag_hwrm, VALID_RING_CQ)))
+ return ret;
+
+ ret = RING_FREE(bp, bp->cq_ring_id, RING_FREE_REQ_RING_TYPE_L2_CMPL);
+ if (ret == STATUS_SUCCESS)
+ FLAG_RESET(bp->flag_hwrm, VALID_RING_CQ);
+
+ return ret;
+}
+
+static int bnxt_hwrm_ring_free_tx(struct bnxt *bp)
+{
+ int ret = STATUS_SUCCESS;
+
+ if (!(FLAG_TEST(bp->flag_hwrm, VALID_RING_TX)))
+ return ret;
+
+ ret = RING_FREE(bp, bp->tx_ring_id, RING_FREE_REQ_RING_TYPE_TX);
+ if (ret == STATUS_SUCCESS)
+ FLAG_RESET(bp->flag_hwrm, VALID_RING_TX);
+
+ return ret;
+}
+
+static int bnxt_hwrm_ring_free_rx(struct bnxt *bp)
+{
+ int ret = STATUS_SUCCESS;
+
+ if (!(FLAG_TEST(bp->flag_hwrm, VALID_RING_RX)))
+ return ret;
+
+ ret = RING_FREE(bp, bp->rx_ring_id, RING_FREE_REQ_RING_TYPE_RX);
+ if (ret == STATUS_SUCCESS)
+ FLAG_RESET(bp->flag_hwrm, VALID_RING_RX);
+
+ return ret;
+}
+
+static int bnxt_hwrm_vnic_alloc(struct bnxt *bp)
+{
+ u16 cmd_len = (u16)sizeof(struct hwrm_vnic_alloc_input);
+ struct hwrm_vnic_alloc_input *req;
+ struct hwrm_vnic_alloc_output *resp;
+ int rc;
+
+ req = (struct hwrm_vnic_alloc_input *)bp->hwrm_addr_req;
+ resp = (struct hwrm_vnic_alloc_output *)bp->hwrm_addr_resp;
+ hwrm_init(bp, (void *)req, (u16)HWRM_VNIC_ALLOC, cmd_len);
+ req->flags = VNIC_ALLOC_REQ_FLAGS_DEFAULT;
+ rc = wait_resp(bp, bp->hwrm_cmd_timeout, cmd_len, __func__);
+ if (rc)
+ return STATUS_FAILURE;
+
+ FLAG_SET(bp->flag_hwrm, VALID_VNIC_ID);
+ bp->vnic_id = resp->vnic_id;
+
+ return STATUS_SUCCESS;
+}
+
+static int bnxt_hwrm_vnic_free(struct bnxt *bp)
+{
+ u16 cmd_len = (u16)sizeof(struct hwrm_vnic_free_input);
+ struct hwrm_vnic_free_input *req;
+ int rc;
+
+ if (!(FLAG_TEST(bp->flag_hwrm, VALID_VNIC_ID)))
+ return STATUS_SUCCESS;
+
+ req = (struct hwrm_vnic_free_input *)bp->hwrm_addr_req;
+ hwrm_init(bp, (void *)req, (u16)HWRM_VNIC_FREE, cmd_len);
+ req->vnic_id = bp->vnic_id;
+ rc = wait_resp(bp, bp->hwrm_cmd_timeout, cmd_len, __func__);
+ if (rc)
+ return STATUS_FAILURE;
+
+ FLAG_RESET(bp->flag_hwrm, VALID_VNIC_ID);
+
+ return STATUS_SUCCESS;
+}
+
+static int bnxt_hwrm_vnic_cfg(struct bnxt *bp)
+{
+ u16 cmd_len = (u16)sizeof(struct hwrm_vnic_cfg_input);
+ struct hwrm_vnic_cfg_input *req;
+
+ req = (struct hwrm_vnic_cfg_input *)bp->hwrm_addr_req;
+ hwrm_init(bp, (void *)req, (u16)HWRM_VNIC_CFG, cmd_len);
+ req->enables = VNIC_CFG_REQ_ENABLES_MRU;
+ req->mru = bp->mtu;
+ req->enables |= VNIC_CFG_REQ_ENABLES_DFLT_RING_GRP;
+ req->dflt_ring_grp = bp->ring_grp_id;
+ req->vnic_id = bp->vnic_id;
+
+ return wait_resp(bp, bp->hwrm_cmd_timeout, cmd_len, __func__);
+}
+
+static int set_phy_speed(struct bnxt *bp)
+{
+ char name[20];
+ u16 flag = PHY_STATUS | PHY_SPEED | DETECT_MEDIA;
+
+ /* Query Link Status */
+ if (bnxt_hwrm_port_phy_qcfg(bp, flag) != STATUS_SUCCESS)
+ return STATUS_FAILURE;
+
+ switch (bp->current_link_speed) {
+ case PORT_PHY_QCFG_RESP_LINK_SPEED_100GB:
+ sprintf(name, "%s %s", str_100, str_gbps);
+ break;
+ case PORT_PHY_QCFG_RESP_LINK_SPEED_50GB:
+ sprintf(name, "%s %s", str_50, str_gbps);
+ break;
+ case PORT_PHY_QCFG_RESP_LINK_SPEED_40GB:
+ sprintf(name, "%s %s", str_40, str_gbps);
+ break;
+ case PORT_PHY_QCFG_RESP_LINK_SPEED_25GB:
+ sprintf(name, "%s %s", str_25, str_gbps);
+ break;
+ case PORT_PHY_QCFG_RESP_LINK_SPEED_20GB:
+ sprintf(name, "%s %s", str_20, str_gbps);
+ break;
+ case PORT_PHY_QCFG_RESP_LINK_SPEED_10GB:
+ sprintf(name, "%s %s", str_10, str_gbps);
+ break;
+ case PORT_PHY_QCFG_RESP_LINK_SPEED_2_5GB:
+ sprintf(name, "%s %s", str_2_5, str_gbps);
+ break;
+ case PORT_PHY_QCFG_RESP_LINK_SPEED_2GB:
+ sprintf(name, "%s %s", str_2, str_gbps);
+ break;
+ case PORT_PHY_QCFG_RESP_LINK_SPEED_1GB:
+ sprintf(name, "%s %s", str_1, str_gbps);
+ break;
+ case PORT_PHY_QCFG_RESP_LINK_SPEED_100MB:
+ sprintf(name, "%s %s", str_100, str_mbps);
+ break;
+ case PORT_PHY_QCFG_RESP_LINK_SPEED_10MB:
+ sprintf(name, "%s %s", str_10, str_mbps);
+ break;
+ default:
+ sprintf(name, "%s %x", str_unknown, bp->current_link_speed);
+ }
+
+ dbg_phy_speed(bp, name);
+
+ return STATUS_SUCCESS;
+}
+
+static int set_phy_link(struct bnxt *bp, u32 tmo)
+{
+ int ret;
+
+ set_phy_speed(bp);
+ dbg_link_status(bp);
+ ret = STATUS_FAILURE;
+ if (bp->link_status == STATUS_LINK_ACTIVE) {
+ dbg_link_state(bp, tmo);
+ ret = STATUS_SUCCESS;
+ }
+
+ return ret;
+}
+
+static int get_phy_link(struct bnxt *bp)
+{
+ u16 flag = PHY_STATUS | PHY_SPEED | DETECT_MEDIA;
+
+ dbg_chip_info(bp);
+ /* Query Link Status */
+ if (bnxt_hwrm_port_phy_qcfg(bp, flag) != STATUS_SUCCESS)
+ return STATUS_FAILURE;
+
+ set_phy_link(bp, 100);
+
+ return STATUS_SUCCESS;
+}
+
+static int bnxt_hwrm_set_async_event(struct bnxt *bp)
+{
+ int rc;
+ u16 cmd_len = (u16)sizeof(struct hwrm_func_cfg_input);
+ struct hwrm_func_cfg_input *req;
+
+ req = (struct hwrm_func_cfg_input *)bp->hwrm_addr_req;
+ hwrm_init(bp, (void *)req, (u16)HWRM_FUNC_CFG, cmd_len);
+ req->fid = (u16)HWRM_NA_SIGNATURE;
+ req->enables = FUNC_CFG_REQ_ENABLES_ASYNC_EVENT_CR;
+ req->async_event_cr = bp->cq_ring_id;
+ rc = wait_resp(bp, bp->hwrm_cmd_timeout, cmd_len, __func__);
+
+ return rc;
+}
+
+int bnxt_hwrm_get_nvmem(struct bnxt *bp,
+ u16 data_len,
+ u16 option_num,
+ u16 dimensions,
+ u16 index_0)
+{
+ u16 cmd_len = (u16)sizeof(struct hwrm_nvm_get_variable_input);
+ struct hwrm_nvm_get_variable_input *req;
+
+ req = (struct hwrm_nvm_get_variable_input *)bp->hwrm_addr_req;
+ hwrm_init(bp, (void *)req, (u16)HWRM_NVM_GET_VARIABLE, cmd_len);
+ req->dest_data_addr = bp->data_addr_mapping;
+ req->data_len = data_len;
+ req->option_num = option_num;
+ req->dimensions = dimensions;
+ req->index_0 = index_0;
+
+ return wait_resp(bp,
+ HWRM_CMD_FLASH_MULTIPLAYER(bp->hwrm_cmd_timeout),
+ cmd_len,
+ __func__);
+}
+
+static void set_medium(struct bnxt *bp)
+{
+ switch (bp->link_set & LINK_SPEED_DRV_MASK) {
+ case LINK_SPEED_DRV_1G:
+ bp->medium = SET_MEDIUM_SPEED(bp, MEDIUM_SPEED_1000MBPS);
+ break;
+ case LINK_SPEED_DRV_2_5G:
+ bp->medium = SET_MEDIUM_SPEED(bp, MEDIUM_SPEED_2500MBPS);
+ break;
+ case LINK_SPEED_DRV_10G:
+ bp->medium = SET_MEDIUM_SPEED(bp, MEDIUM_SPEED_10GBPS);
+ break;
+ case LINK_SPEED_DRV_25G:
+ bp->medium = SET_MEDIUM_SPEED(bp, MEDIUM_SPEED_25GBPS);
+ break;
+ case LINK_SPEED_DRV_40G:
+ bp->medium = SET_MEDIUM_SPEED(bp, MEDIUM_SPEED_40GBPS);
+ break;
+ case LINK_SPEED_DRV_50G:
+ bp->medium = SET_MEDIUM_SPEED(bp, MEDIUM_SPEED_50GBPS);
+ break;
+ case LINK_SPEED_DRV_100G:
+ bp->medium = SET_MEDIUM_SPEED(bp, MEDIUM_SPEED_100GBPS);
+ break;
+ case LINK_SPEED_DRV_200G:
+ bp->medium = SET_MEDIUM_SPEED(bp, MEDIUM_SPEED_200GBPS);
+ break;
+ case LINK_SPEED_DRV_AUTONEG:
+ bp->medium = SET_MEDIUM_SPEED(bp, MEDIUM_SPEED_AUTONEG);
+ break;
+ default:
+ bp->medium = SET_MEDIUM_DUPLEX(bp, MEDIUM_FULL_DUPLEX);
+ break;
+ }
+}
+
+static int bnxt_hwrm_get_link_speed(struct bnxt *bp)
+{
+ u32 *ptr32 = (u32 *)bp->hwrm_addr_data;
+
+ if (bnxt_hwrm_get_nvmem(bp,
+ 4,
+ (u16)LINK_SPEED_DRV_NUM,
+ 1,
+ (u16)bp->port_idx) != STATUS_SUCCESS)
+ return STATUS_FAILURE;
+
+ bp->link_set = *ptr32;
+ bp->link_set &= SPEED_DRV_MASK;
+ set_medium(bp);
+
+ return STATUS_SUCCESS;
+}
+
+typedef int (*hwrm_func_t)(struct bnxt *bp);
+
+hwrm_func_t down_chip[] = {
+ bnxt_hwrm_cfa_l2_filter_free, /* Free l2 filter */
+ bnxt_free_rx_iob, /* Free rx iob */
+ bnxt_hwrm_vnic_free, /* Free vnic */
+ bnxt_hwrm_ring_free_grp, /* Free ring group */
+ bnxt_hwrm_ring_free_rx, /* Free rx ring */
+ bnxt_hwrm_ring_free_tx, /* Free tx ring */
+ bnxt_hwrm_ring_free_cq, /* Free CQ ring */
+ bnxt_hwrm_stat_ctx_free, /* Free Stat ctx */
+ bnxt_hwrm_func_drv_unrgtr, /* unreg driver */
+ NULL,
+};
+
+hwrm_func_t bring_chip[] = {
+ bnxt_hwrm_ver_get, /* HWRM_VER_GET */
+ bnxt_hwrm_func_reset_req, /* HWRM_FUNC_RESET */
+ bnxt_hwrm_func_drv_rgtr, /* HWRM_FUNC_DRV_RGTR */
+ bnxt_hwrm_func_resource_qcaps, /* HWRM_FUNC_RESOURCE_QCAPS */
+ bnxt_hwrm_func_qcfg_req, /* HWRM_FUNC_QCFG */
+ bnxt_hwrm_func_qcaps_req, /* HWRM_FUNC_QCAPS */
+ bnxt_hwrm_get_link_speed, /* HWRM_NVM_GET_VARIABLE - 203 */
+ bnxt_hwrm_port_mac_cfg, /* HWRM_PORT_MAC_CFG */
+ bnxt_qphy_link, /* HWRM_PORT_PHY_QCFG */
+ bnxt_hwrm_func_cfg_req, /* HWRM_FUNC_CFG - ring resource*/
+ bnxt_hwrm_stat_ctx_alloc, /* Allocate Stat Ctx ID */
+ bnxt_hwrm_ring_alloc_cq, /* Allocate CQ Ring */
+ bnxt_hwrm_ring_alloc_tx, /* Allocate Tx ring */
+ bnxt_hwrm_ring_alloc_rx, /* Allocate Rx Ring */
+ bnxt_hwrm_ring_alloc_grp, /* Create Ring Group */
+ post_rx_buffers, /* Post RX buffers */
+ bnxt_hwrm_set_async_event, /* ENABLES_ASYNC_EVENT_CR */
+ bnxt_hwrm_vnic_alloc, /* Alloc VNIC */
+ bnxt_hwrm_vnic_cfg, /* Config VNIC */
+ bnxt_hwrm_cfa_l2_filter_alloc, /* Alloc L2 Filter */
+ get_phy_link, /* Get Physical Link */
+ NULL,
+};
+
+int bnxt_hwrm_run(hwrm_func_t cmds[], struct bnxt *bp, int flag)
+{
+ hwrm_func_t *ptr;
+ int ret;
+ int status = STATUS_SUCCESS;
+
+ for (ptr = cmds; *ptr; ++ptr) {
+ ret = (*ptr)(bp);
+ if (ret) {
+ status = STATUS_FAILURE;
+ /* Continue till all cleanup routines are called */
+ if (flag)
+ return STATUS_FAILURE;
+ }
+ }
+
+ return status;
+}
+
+/* Broadcom ethernet driver Network interface APIs. */
+static int bnxt_start(struct udevice *dev)
+{
+ struct bnxt *bp = dev_get_priv(dev);
+
+ if (bnxt_hwrm_set_rx_mask(bp, RX_MASK) != STATUS_SUCCESS)
+ return STATUS_FAILURE;
+
+ bp->card_en = true;
+ return STATUS_SUCCESS;
+}
+
+static int bnxt_send(struct udevice *dev, void *packet, int length)
+{
+ struct bnxt *bp = dev_get_priv(dev);
+ int len;
+ u16 entry;
+ dma_addr_t mapping;
+
+ if (bnxt_tx_avail(bp) < 1) {
+ dbg_no_tx_bd();
+ return -ENOBUFS;
+ }
+
+ entry = bp->tx.prod_id;
+ len = iob_pad(packet, length);
+ mapping = virt_to_bus(packet);
+ set_txq(bp, entry, mapping, len);
+ entry = NEXT_IDX(entry, bp->tx.ring_cnt);
+ dump_tx_pkt(packet, mapping, len);
+ bnxt_db_tx(bp, (u32)entry);
+ bp->tx.prod_id = entry;
+ bp->tx.cnt_req++;
+ bnxt_tx_complete(bp);
+
+ return 0;
+}
+
+static void bnxt_link_evt(struct bnxt *bp, struct cmpl_base *cmp)
+{
+ struct hwrm_async_event_cmpl *evt;
+
+ evt = (struct hwrm_async_event_cmpl *)cmp;
+ switch (evt->event_id) {
+ case ASYNC_EVENT_CMPL_EVENT_ID_LINK_STATUS_CHANGE:
+ if (evt->event_data1 & 0x01)
+ bp->link_status = STATUS_LINK_ACTIVE;
+ else
+ bp->link_status = STATUS_LINK_DOWN;
+
+ set_phy_link(bp, 0);
+ break;
+ default:
+ break;
+ }
+}
+
+static int bnxt_recv(struct udevice *dev, int flags, uchar **packetp)
+{
+ struct bnxt *bp = dev_get_priv(dev);
+ struct cmpl_base *cmp;
+ u16 old_cons_idx = bp->cq.cons_idx;
+ int done = SERVICE_NEXT_CQ_BD;
+ u32 cq_type;
+
+ while (done == SERVICE_NEXT_CQ_BD) {
+ cmp = (struct cmpl_base *)BD_NOW(bp->cq.bd_virt,
+ bp->cq.cons_idx,
+ sizeof(struct cmpl_base));
+ if ((cmp->info3_v & CMPL_BASE_V) ^ bp->cq.completion_bit)
+ break;
+
+ cq_type = cmp->type & CMPL_BASE_TYPE_MASK;
+ dump_evt((u8 *)cmp, cq_type, bp->cq.cons_idx);
+ dump_CQ(cmp, bp->cq.cons_idx);
+ switch (cq_type) {
+ case CMPL_BASE_TYPE_HWRM_ASYNC_EVENT:
+ bnxt_link_evt(bp, cmp);
+ fallthrough;
+ case CMPL_BASE_TYPE_TX_L2:
+ case CMPL_BASE_TYPE_STAT_EJECT:
+ bnxt_adv_cq_index(bp, 1);
+ break;
+ case CMPL_BASE_TYPE_RX_L2:
+ done = bnxt_rx_complete(bp, (struct rx_pkt_cmpl *)cmp);
+ break;
+ default:
+ done = NO_MORE_CQ_BD_TO_SERVICE;
+ break;
+ }
+ }
+
+ if (bp->cq.cons_idx != old_cons_idx)
+ bnxt_db_cq(bp);
+
+ if (bp->rx.iob_recv == PKT_RECEIVED) {
+ *packetp = bp->rx.iob_rx;
+ return bp->rx.iob_len;
+ }
+
+ return -EAGAIN;
+}
+
+static void bnxt_stop(struct udevice *dev)
+{
+ struct bnxt *bp = dev_get_priv(dev);
+
+ if (bp->card_en) {
+ bnxt_hwrm_set_rx_mask(bp, 0);
+ bp->card_en = false;
+ }
+}
+
+static int bnxt_free_pkt(struct udevice *dev, uchar *packet, int length)
+{
+ struct bnxt *bp = dev_get_priv(dev);
+
+ dbg_rx_pkt(bp, __func__, packet, length);
+ bp->rx.iob_recv = PKT_DONE;
+ bp->rx.iob_len = 0;
+ bp->rx.iob_rx = NULL;
+
+ return 0;
+}
+
+static int bnxt_read_rom_hwaddr(struct udevice *dev)
+{
+ struct eth_pdata *plat = dev_get_plat(dev);
+ struct bnxt *bp = dev_get_priv(dev);
+
+ memcpy(plat->enetaddr, bp->mac_set, ETH_ALEN);
+
+ return 0;
+}
+
+static const struct eth_ops bnxt_eth_ops = {
+ .start = bnxt_start,
+ .send = bnxt_send,
+ .recv = bnxt_recv,
+ .stop = bnxt_stop,
+ .free_pkt = bnxt_free_pkt,
+ .read_rom_hwaddr = bnxt_read_rom_hwaddr,
+};
+
+static const struct udevice_id bnxt_eth_ids[] = {
+ { .compatible = "broadcom,nxe" },
+ { }
+};
+
+static int bnxt_eth_bind(struct udevice *dev)
+{
+ char name[20];
+
+ sprintf(name, "bnxt_eth%u", dev_seq(dev));
+
+ return device_set_name(dev, name);
+}
+
+static int bnxt_eth_probe(struct udevice *dev)
+{
+ struct bnxt *bp = dev_get_priv(dev);
+ int ret;
+
+ ret = bnxt_alloc_mem(bp);
+ if (ret) {
+ printf("*** error: bnxt_alloc_mem failed! ***\n");
+ return ret;
+ }
+
+ bp->cardnum = dev_seq(dev);
+ bp->name = dev->name;
+ bp->pdev = (struct udevice *)dev;
+
+ bnxt_bring_pci(bp);
+
+ ret = bnxt_bring_chip(bp);
+ if (ret) {
+ printf("*** error: bnxt_bring_chip failed! ***\n");
+ return -ENODATA;
+ }
+
+ return 0;
+}
+
+static int bnxt_eth_remove(struct udevice *dev)
+{
+ struct bnxt *bp = dev_get_priv(dev);
+
+ bnxt_down_chip(bp);
+ bnxt_free_mem(bp);
+
+ return 0;
+}
+
+static struct pci_device_id bnxt_nics[] = {
+ {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NXT_57320)},
+ {}
+};
+
+U_BOOT_DRIVER(eth_bnxt) = {
+ .name = "eth_bnxt",
+ .id = UCLASS_ETH,
+ .of_match = bnxt_eth_ids,
+ .bind = bnxt_eth_bind,
+ .probe = bnxt_eth_probe,
+ .remove = bnxt_eth_remove,
+ .ops = &bnxt_eth_ops,
+ .priv_auto = sizeof(struct bnxt),
+ .plat_auto = sizeof(struct eth_pdata),
+ .flags = DM_FLAG_ACTIVE_DMA,
+};
+
+U_BOOT_PCI_DEVICE(eth_bnxt, bnxt_nics);