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Release 4.11 drivers/net/ethernet/qlogic/qlcnic/qlcnic_init.c

/*
 * QLogic qlcnic NIC Driver
 * Copyright (c) 2009-2013 QLogic Corporation
 *
 * See LICENSE.qlcnic for copyright and licensing details.
 */

#include "qlcnic.h"
#include "qlcnic_hw.h"


struct crb_addr_pair {
	
u32 addr;
	
u32 data;
};


#define QLCNIC_MAX_CRB_XFORM 60

static unsigned int crb_addr_xform[QLCNIC_MAX_CRB_XFORM];


#define crb_addr_transform(name) \
	(crb_addr_xform[QLCNIC_HW_PX_MAP_CRB_##name] = \
        QLCNIC_HW_CRB_HUB_AGT_ADR_##name << 20)


#define QLCNIC_ADDR_ERROR (0xffffffff)

static int
qlcnic_check_fw_hearbeat(struct qlcnic_adapter *adapter);


static void crb_addr_transform_setup(void) { crb_addr_transform(XDMA); crb_addr_transform(TIMR); crb_addr_transform(SRE); crb_addr_transform(SQN3); crb_addr_transform(SQN2); crb_addr_transform(SQN1); crb_addr_transform(SQN0); crb_addr_transform(SQS3); crb_addr_transform(SQS2); crb_addr_transform(SQS1); crb_addr_transform(SQS0); crb_addr_transform(RPMX7); crb_addr_transform(RPMX6); crb_addr_transform(RPMX5); crb_addr_transform(RPMX4); crb_addr_transform(RPMX3); crb_addr_transform(RPMX2); crb_addr_transform(RPMX1); crb_addr_transform(RPMX0); crb_addr_transform(ROMUSB); crb_addr_transform(SN); crb_addr_transform(QMN); crb_addr_transform(QMS); crb_addr_transform(PGNI); crb_addr_transform(PGND); crb_addr_transform(PGN3); crb_addr_transform(PGN2); crb_addr_transform(PGN1); crb_addr_transform(PGN0); crb_addr_transform(PGSI); crb_addr_transform(PGSD); crb_addr_transform(PGS3); crb_addr_transform(PGS2); crb_addr_transform(PGS1); crb_addr_transform(PGS0); crb_addr_transform(PS); crb_addr_transform(PH); crb_addr_transform(NIU); crb_addr_transform(I2Q); crb_addr_transform(EG); crb_addr_transform(MN); crb_addr_transform(MS); crb_addr_transform(CAS2); crb_addr_transform(CAS1); crb_addr_transform(CAS0); crb_addr_transform(CAM); crb_addr_transform(C2C1); crb_addr_transform(C2C0); crb_addr_transform(SMB); crb_addr_transform(OCM0); crb_addr_transform(I2C0); }

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void qlcnic_release_rx_buffers(struct qlcnic_adapter *adapter) { struct qlcnic_recv_context *recv_ctx; struct qlcnic_host_rds_ring *rds_ring; struct qlcnic_rx_buffer *rx_buf; int i, ring; recv_ctx = adapter->recv_ctx; for (ring = 0; ring < adapter->max_rds_rings; ring++) { rds_ring = &recv_ctx->rds_rings[ring]; for (i = 0; i < rds_ring->num_desc; ++i) { rx_buf = &(rds_ring->rx_buf_arr[i]); if (rx_buf->skb == NULL) continue; pci_unmap_single(adapter->pdev, rx_buf->dma, rds_ring->dma_size, PCI_DMA_FROMDEVICE); dev_kfree_skb_any(rx_buf->skb); } } }

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void qlcnic_reset_rx_buffers_list(struct qlcnic_adapter *adapter) { struct qlcnic_recv_context *recv_ctx; struct qlcnic_host_rds_ring *rds_ring; struct qlcnic_rx_buffer *rx_buf; int i, ring; recv_ctx = adapter->recv_ctx; for (ring = 0; ring < adapter->max_rds_rings; ring++) { rds_ring = &recv_ctx->rds_rings[ring]; INIT_LIST_HEAD(&rds_ring->free_list); rx_buf = rds_ring->rx_buf_arr; for (i = 0; i < rds_ring->num_desc; i++) { list_add_tail(&rx_buf->list, &rds_ring->free_list); rx_buf++; } } }

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void qlcnic_release_tx_buffers(struct qlcnic_adapter *adapter, struct qlcnic_host_tx_ring *tx_ring) { struct qlcnic_cmd_buffer *cmd_buf; struct qlcnic_skb_frag *buffrag; int i, j; spin_lock(&tx_ring->tx_clean_lock); cmd_buf = tx_ring->cmd_buf_arr; for (i = 0; i < tx_ring->num_desc; i++) { buffrag = cmd_buf->frag_array; if (buffrag->dma) { pci_unmap_single(adapter->pdev, buffrag->dma, buffrag->length, PCI_DMA_TODEVICE); buffrag->dma = 0ULL; } for (j = 1; j < cmd_buf->frag_count; j++) { buffrag++; if (buffrag->dma) { pci_unmap_page(adapter->pdev, buffrag->dma, buffrag->length, PCI_DMA_TODEVICE); buffrag->dma = 0ULL; } } if (cmd_buf->skb) { dev_kfree_skb_any(cmd_buf->skb); cmd_buf->skb = NULL; } cmd_buf++; } spin_unlock(&tx_ring->tx_clean_lock); }

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Total181100.00%4100.00%


void qlcnic_free_sw_resources(struct qlcnic_adapter *adapter) { struct qlcnic_recv_context *recv_ctx; struct qlcnic_host_rds_ring *rds_ring; int ring; recv_ctx = adapter->recv_ctx; if (recv_ctx->rds_rings == NULL) return; for (ring = 0; ring < adapter->max_rds_rings; ring++) { rds_ring = &recv_ctx->rds_rings[ring]; vfree(rds_ring->rx_buf_arr); rds_ring->rx_buf_arr = NULL; } kfree(recv_ctx->rds_rings); }

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int qlcnic_alloc_sw_resources(struct qlcnic_adapter *adapter) { struct qlcnic_recv_context *recv_ctx; struct qlcnic_host_rds_ring *rds_ring; struct qlcnic_host_sds_ring *sds_ring; struct qlcnic_rx_buffer *rx_buf; int ring, i; recv_ctx = adapter->recv_ctx; rds_ring = kcalloc(adapter->max_rds_rings, sizeof(struct qlcnic_host_rds_ring), GFP_KERNEL); if (rds_ring == NULL) goto err_out; recv_ctx->rds_rings = rds_ring; for (ring = 0; ring < adapter->max_rds_rings; ring++) { rds_ring = &recv_ctx->rds_rings[ring]; switch (ring) { case RCV_RING_NORMAL: rds_ring->num_desc = adapter->num_rxd; rds_ring->dma_size = QLCNIC_P3P_RX_BUF_MAX_LEN; rds_ring->skb_size = rds_ring->dma_size + NET_IP_ALIGN; break; case RCV_RING_JUMBO: rds_ring->num_desc = adapter->num_jumbo_rxd; rds_ring->dma_size = QLCNIC_P3P_RX_JUMBO_BUF_MAX_LEN; if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_HW_LRO) rds_ring->dma_size += QLCNIC_LRO_BUFFER_EXTRA; rds_ring->skb_size = rds_ring->dma_size + NET_IP_ALIGN; break; } rds_ring->rx_buf_arr = vzalloc(RCV_BUFF_RINGSIZE(rds_ring)); if (rds_ring->rx_buf_arr == NULL) goto err_out; INIT_LIST_HEAD(&rds_ring->free_list); /* * Now go through all of them, set reference handles * and put them in the queues. */ rx_buf = rds_ring->rx_buf_arr; for (i = 0; i < rds_ring->num_desc; i++) { list_add_tail(&rx_buf->list, &rds_ring->free_list); rx_buf->ref_handle = i; rx_buf++; } spin_lock_init(&rds_ring->lock); } for (ring = 0; ring < adapter->drv_sds_rings; ring++) { sds_ring = &recv_ctx->sds_rings[ring]; sds_ring->irq = adapter->msix_entries[ring].vector; sds_ring->adapter = adapter; sds_ring->num_desc = adapter->num_rxd; if (qlcnic_82xx_check(adapter)) { if (qlcnic_check_multi_tx(adapter) && !adapter->ahw->diag_test) sds_ring->tx_ring = &adapter->tx_ring[ring]; else sds_ring->tx_ring = &adapter->tx_ring[0]; } for (i = 0; i < NUM_RCV_DESC_RINGS; i++) INIT_LIST_HEAD(&sds_ring->free_list[i]); } return 0; err_out: qlcnic_free_sw_resources(adapter); return -ENOMEM; }

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Total403100.00%9100.00%

/* * Utility to translate from internal Phantom CRB address * to external PCI CRB address. */
static u32 qlcnic_decode_crb_addr(u32 addr) { int i; u32 base_addr, offset, pci_base; crb_addr_transform_setup(); pci_base = QLCNIC_ADDR_ERROR; base_addr = addr & 0xfff00000; offset = addr & 0x000fffff; for (i = 0; i < QLCNIC_MAX_CRB_XFORM; i++) { if (crb_addr_xform[i] == base_addr) { pci_base = i << 20; break; } } if (pci_base == QLCNIC_ADDR_ERROR) return pci_base; else return pci_base + offset; }

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#define QLCNIC_MAX_ROM_WAIT_USEC 100
static int qlcnic_wait_rom_done(struct qlcnic_adapter *adapter) { long timeout = 0; long done = 0; int err = 0; cond_resched(); while (done == 0) { done = QLCRD32(adapter, QLCNIC_ROMUSB_GLB_STATUS, &err); done &= 2; if (++timeout >= QLCNIC_MAX_ROM_WAIT_USEC) { dev_err(&adapter->pdev->dev, "Timeout reached waiting for rom done"); return -EIO; } udelay(1); } return 0; }

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static int do_rom_fast_read(struct qlcnic_adapter *adapter, u32 addr, u32 *valp) { int err = 0; QLCWR32(adapter, QLCNIC_ROMUSB_ROM_ADDRESS, addr); QLCWR32(adapter, QLCNIC_ROMUSB_ROM_DUMMY_BYTE_CNT, 0); QLCWR32(adapter, QLCNIC_ROMUSB_ROM_ABYTE_CNT, 3); QLCWR32(adapter, QLCNIC_ROMUSB_ROM_INSTR_OPCODE, 0xb); if (qlcnic_wait_rom_done(adapter)) { dev_err(&adapter->pdev->dev, "Error waiting for rom done\n"); return -EIO; } /* reset abyte_cnt and dummy_byte_cnt */ QLCWR32(adapter, QLCNIC_ROMUSB_ROM_ABYTE_CNT, 0); udelay(10); QLCWR32(adapter, QLCNIC_ROMUSB_ROM_DUMMY_BYTE_CNT, 0); *valp = QLCRD32(adapter, QLCNIC_ROMUSB_ROM_RDATA, &err); if (err == -EIO) return err; return 0; }

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static int do_rom_fast_read_words(struct qlcnic_adapter *adapter, int addr, u8 *bytes, size_t size) { int addridx; int ret = 0; for (addridx = addr; addridx < (addr + size); addridx += 4) { int v; ret = do_rom_fast_read(adapter, addridx, &v); if (ret != 0) break; *(__le32 *)bytes = cpu_to_le32(v); bytes += 4; } return ret; }

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int qlcnic_rom_fast_read_words(struct qlcnic_adapter *adapter, int addr, u8 *bytes, size_t size) { int ret; ret = qlcnic_rom_lock(adapter); if (ret < 0) return ret; ret = do_rom_fast_read_words(adapter, addr, bytes, size); qlcnic_rom_unlock(adapter); return ret; }

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int qlcnic_rom_fast_read(struct qlcnic_adapter *adapter, u32 addr, u32 *valp) { int ret; if (qlcnic_rom_lock(adapter) != 0) return -EIO; ret = do_rom_fast_read(adapter, addr, valp); qlcnic_rom_unlock(adapter); return ret; }

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Amit Kumar Salecha5096.15%150.00%
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Total52100.00%2100.00%


int qlcnic_pinit_from_rom(struct qlcnic_adapter *adapter) { int addr, err = 0; int i, n, init_delay; struct crb_addr_pair *buf; unsigned offset; u32 off, val; struct pci_dev *pdev = adapter->pdev; QLC_SHARED_REG_WR32(adapter, QLCNIC_CMDPEG_STATE, 0); QLC_SHARED_REG_WR32(adapter, QLCNIC_RCVPEG_STATE, 0); /* Halt all the indiviual PEGs and other blocks */ /* disable all I2Q */ QLCWR32(adapter, QLCNIC_CRB_I2Q + 0x10, 0x0); QLCWR32(adapter, QLCNIC_CRB_I2Q + 0x14, 0x0); QLCWR32(adapter, QLCNIC_CRB_I2Q + 0x18, 0x0); QLCWR32(adapter, QLCNIC_CRB_I2Q + 0x1c, 0x0); QLCWR32(adapter, QLCNIC_CRB_I2Q + 0x20, 0x0); QLCWR32(adapter, QLCNIC_CRB_I2Q + 0x24, 0x0); /* disable all niu interrupts */ QLCWR32(adapter, QLCNIC_CRB_NIU + 0x40, 0xff); /* disable xge rx/tx */ QLCWR32(adapter, QLCNIC_CRB_NIU + 0x70000, 0x00); /* disable xg1 rx/tx */ QLCWR32(adapter, QLCNIC_CRB_NIU + 0x80000, 0x00); /* disable sideband mac */ QLCWR32(adapter, QLCNIC_CRB_NIU + 0x90000, 0x00); /* disable ap0 mac */ QLCWR32(adapter, QLCNIC_CRB_NIU + 0xa0000, 0x00); /* disable ap1 mac */ QLCWR32(adapter, QLCNIC_CRB_NIU + 0xb0000, 0x00); /* halt sre */ val = QLCRD32(adapter, QLCNIC_CRB_SRE + 0x1000, &err); if (err == -EIO) return err; QLCWR32(adapter, QLCNIC_CRB_SRE + 0x1000, val & (~(0x1))); /* halt epg */ QLCWR32(adapter, QLCNIC_CRB_EPG + 0x1300, 0x1); /* halt timers */ QLCWR32(adapter, QLCNIC_CRB_TIMER + 0x0, 0x0); QLCWR32(adapter, QLCNIC_CRB_TIMER + 0x8, 0x0); QLCWR32(adapter, QLCNIC_CRB_TIMER + 0x10, 0x0); QLCWR32(adapter, QLCNIC_CRB_TIMER + 0x18, 0x0); QLCWR32(adapter, QLCNIC_CRB_TIMER + 0x100, 0x0); QLCWR32(adapter, QLCNIC_CRB_TIMER + 0x200, 0x0); /* halt pegs */ QLCWR32(adapter, QLCNIC_CRB_PEG_NET_0 + 0x3c, 1); QLCWR32(adapter, QLCNIC_CRB_PEG_NET_1 + 0x3c, 1); QLCWR32(adapter, QLCNIC_CRB_PEG_NET_2 + 0x3c, 1); QLCWR32(adapter, QLCNIC_CRB_PEG_NET_3 + 0x3c, 1); QLCWR32(adapter, QLCNIC_CRB_PEG_NET_4 + 0x3c, 1); msleep(20); qlcnic_rom_unlock(adapter); /* big hammer don't reset CAM block on reset */ QLCWR32(adapter, QLCNIC_ROMUSB_GLB_SW_RESET, 0xfeffffff); /* Init HW CRB block */ if (qlcnic_rom_fast_read(adapter, 0, &n) != 0 || (n != 0xcafecafe) || qlcnic_rom_fast_read(adapter, 4, &n) != 0) { dev_err(&pdev->dev, "ERROR Reading crb_init area: val:%x\n", n); return -EIO; } offset = n & 0xffffU; n = (n >> 16) & 0xffffU; if (n >= 1024) { dev_err(&pdev->dev, "QLOGIC card flash not initialized.\n"); return -EIO; } buf = kcalloc(n, sizeof(struct crb_addr_pair), GFP_KERNEL); if (buf == NULL) return -ENOMEM; for (i = 0; i < n; i++) { if (qlcnic_rom_fast_read(adapter, 8*i + 4*offset, &val) != 0 || qlcnic_rom_fast_read(adapter, 8*i + 4*offset + 4, &addr) != 0) { kfree(buf); return -EIO; } buf[i].addr = addr; buf[i].data = val; } for (i = 0; i < n; i++) { off = qlcnic_decode_crb_addr(buf[i].addr); if (off == QLCNIC_ADDR_ERROR) { dev_err(&pdev->dev, "CRB init value out of range %x\n", buf[i].addr); continue; } off += QLCNIC_PCI_CRBSPACE; if (off & 1) continue; /* skipping cold reboot MAGIC */ if (off == QLCNIC_CAM_RAM(0x1fc)) continue; if (off == (QLCNIC_CRB_I2C0 + 0x1c)) continue; if (off == (ROMUSB_GLB + 0xbc)) /* do not reset PCI */ continue; if (off == (ROMUSB_GLB + 0xa8)) continue; if (off == (ROMUSB_GLB + 0xc8)) /* core clock */ continue; if (off == (ROMUSB_GLB + 0x24)) /* MN clock */ continue; if (off == (ROMUSB_GLB + 0x1c)) /* MS clock */ continue; if ((off & 0x0ff00000) == QLCNIC_CRB_DDR_NET) continue; /* skip the function enable register */ if (off == QLCNIC_PCIE_REG(PCIE_SETUP_FUNCTION)) continue; if (off == QLCNIC_PCIE_REG(PCIE_SETUP_FUNCTION2)) continue; if ((off & 0x0ff00000) == QLCNIC_CRB_SMB) continue; init_delay = 1; /* After writing this register, HW needs time for CRB */ /* to quiet down (else crb_window returns 0xffffffff) */ if (off == QLCNIC_ROMUSB_GLB_SW_RESET) init_delay = 1000; QLCWR32(adapter, off, buf[i].data); msleep(init_delay); } kfree(buf); /* Initialize protocol process engine */ QLCWR32(adapter, QLCNIC_CRB_PEG_NET_D + 0xec, 0x1e); QLCWR32(adapter, QLCNIC_CRB_PEG_NET_D + 0x4c, 8); QLCWR32(adapter, QLCNIC_CRB_PEG_NET_I + 0x4c, 8); QLCWR32(adapter, QLCNIC_CRB_PEG_NET_0 + 0x8, 0); QLCWR32(adapter, QLCNIC_CRB_PEG_NET_0 + 0xc, 0); QLCWR32(adapter, QLCNIC_CRB_PEG_NET_1 + 0x8, 0); QLCWR32(adapter, QLCNIC_CRB_PEG_NET_1 + 0xc, 0); QLCWR32(adapter, QLCNIC_CRB_PEG_NET_2 + 0x8, 0); QLCWR32(adapter, QLCNIC_CRB_PEG_NET_2 + 0xc, 0); QLCWR32(adapter, QLCNIC_CRB_PEG_NET_3 + 0x8, 0); QLCWR32(adapter, QLCNIC_CRB_PEG_NET_3 + 0xc, 0); QLCWR32(adapter, QLCNIC_CRB_PEG_NET_4 + 0x8, 0); QLCWR32(adapter, QLCNIC_CRB_PEG_NET_4 + 0xc, 0); usleep_range(1000, 1500); QLC_SHARED_REG_WR32(adapter, QLCNIC_PEG_HALT_STATUS1, 0); QLC_SHARED_REG_WR32(adapter, QLCNIC_PEG_HALT_STATUS2, 0); return 0; }

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Amit Kumar Salecha60660.60%116.67%
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Himanshu Madhani242.40%233.33%
Jitendra Kalsaria40.40%116.67%
Total1000100.00%6100.00%


static int qlcnic_cmd_peg_ready(struct qlcnic_adapter *adapter) { u32 val; int retries = QLCNIC_CMDPEG_CHECK_RETRY_COUNT; do { val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CMDPEG_STATE); switch (val) { case PHAN_INITIALIZE_COMPLETE: case PHAN_INITIALIZE_ACK: return 0; case PHAN_INITIALIZE_FAILED: goto out_err; default: break; } msleep(QLCNIC_CMDPEG_CHECK_DELAY); } while (--retries); QLC_SHARED_REG_WR32(adapter, QLCNIC_CMDPEG_STATE, PHAN_INITIALIZE_FAILED); out_err: dev_err(&adapter->pdev->dev, "Command Peg initialization not " "complete, state: 0x%x.\n", val); return -EIO; }

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Sucheta Chakraborty11.05%125.00%
Total95100.00%4100.00%


static int qlcnic_receive_peg_ready(struct qlcnic_adapter *adapter) { u32 val; int retries = QLCNIC_RCVPEG_CHECK_RETRY_COUNT; do { val = QLC_SHARED_REG_RD32(adapter, QLCNIC_RCVPEG_STATE); if (val == PHAN_PEG_RCV_INITIALIZED) return 0; msleep(QLCNIC_RCVPEG_CHECK_DELAY); } while (--retries); if (!retries) { dev_err(&adapter->pdev->dev, "Receive Peg initialization not " "complete, state: 0x%x.\n", val); return -EIO; } return 0; }

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int qlcnic_check_fw_status(struct qlcnic_adapter *adapter) { int err; err = qlcnic_cmd_peg_ready(adapter); if (err) return err; err = qlcnic_receive_peg_ready(adapter); if (err) return err; QLC_SHARED_REG_WR32(adapter, QLCNIC_CMDPEG_STATE, PHAN_INITIALIZE_ACK); return err; }

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int qlcnic_setup_idc_param(struct qlcnic_adapter *adapter) { int timeo; u32 val; val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_PARTITION_INFO); val = QLC_DEV_GET_DRV(val, adapter->portnum); if ((val & 0x3) != QLCNIC_TYPE_NIC) { dev_err(&adapter->pdev->dev, "Not an Ethernet NIC func=%u\n", val); return -EIO; } adapter->ahw->physical_port = (val >> 2); if (qlcnic_rom_fast_read(adapter, QLCNIC_ROM_DEV_INIT_TIMEOUT, &timeo)) timeo = QLCNIC_INIT_TIMEOUT_SECS; adapter->dev_init_timeo = timeo; if (qlcnic_rom_fast_read(adapter, QLCNIC_ROM_DRV_RESET_TIMEOUT, &timeo)) timeo = QLCNIC_RESET_TIMEOUT_SECS; adapter->reset_ack_timeo = timeo; return 0; }

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Anirban Chakraborty54.00%114.29%
Himanshu Madhani10.80%114.29%
Total125100.00%7100.00%


static int qlcnic_get_flt_entry(struct qlcnic_adapter *adapter, u8 region, struct qlcnic_flt_entry *region_entry) { struct qlcnic_flt_header flt_hdr; struct qlcnic_flt_entry *flt_entry; int i = 0, ret; u32 entry_size; memset(region_entry, 0, sizeof(struct qlcnic_flt_entry)); ret = qlcnic_rom_fast_read_words(adapter, QLCNIC_FLT_LOCATION, (u8 *)&flt_hdr, sizeof(struct qlcnic_flt_header)); if (ret) { dev_warn(&adapter->pdev->dev, "error reading flash layout header\n"); return -EIO; } entry_size = flt_hdr.len - sizeof(struct qlcnic_flt_header); flt_entry = vzalloc(entry_size); if (flt_entry == NULL) return -EIO; ret = qlcnic_rom_fast_read_words(adapter, QLCNIC_FLT_LOCATION + sizeof(struct qlcnic_flt_header), (u8 *)flt_entry, entry_size); if (ret) { dev_warn(&adapter->pdev->dev, "error reading flash layout entries\n"); goto err_out; } while (i < (entry_size/sizeof(struct qlcnic_flt_entry))) { if (flt_entry[i].region == region) break; i++; } if (i >= (entry_size/sizeof(struct qlcnic_flt_entry))) { dev_warn(&adapter->pdev->dev, "region=%x not found in %d regions\n", region, i); ret = -EIO; goto err_out; } memcpy(region_entry, &flt_entry[i], sizeof(struct qlcnic_flt_entry)); err_out: vfree(flt_entry); return ret; }

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Amit Kumar Salecha266100.00%1100.00%
Total266100.00%1100.00%


int qlcnic_check_flash_fw_ver(struct qlcnic_adapter *adapter) { struct qlcnic_flt_entry fw_entry; u32 ver = -1, min_ver; int ret; if (adapter->ahw->revision_id == QLCNIC_P3P_C0) ret = qlcnic_get_flt_entry(adapter, QLCNIC_C0_FW_IMAGE_REGION, &fw_entry); else ret = qlcnic_get_flt_entry(adapter, QLCNIC_B0_FW_IMAGE_REGION, &fw_entry); if (!ret) /* 0-4:-signature, 4-8:-fw version */ qlcnic_rom_fast_read(adapter, fw_entry.start_addr + 4, (int *)&ver); else qlcnic_rom_fast_read(adapter, QLCNIC_FW_VERSION_OFFSET, (int *)&ver); ver = QLCNIC_DECODE_VERSION(ver); min_ver = QLCNIC_MIN_FW_VERSION; if (ver < min_ver) { dev_err(&adapter->pdev->dev, "firmware version %d.%d.%d unsupported." "Min supported version %d.%d.%d\n", _major(ver), _minor(ver), _build(ver), _major(min_ver), _minor(min_ver), _build(min_ver)); return -EINVAL; } return 0; }

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PersonTokensPropCommitsCommitProp
schacko7242.86%125.00%
Amit Kumar Salecha7242.86%250.00%
Sritej Velaga2414.29%125.00%
Total168100.00%4100.00%


static int qlcnic_has_mn(struct qlcnic_adapter *adapter) { u32 capability = 0; int err = 0; capability = QLCRD32(adapter, QLCNIC_PEG_TUNE_CAPABILITY, &err); if (err == -EIO) return err; if (capability & QLCNIC_PEG_TUNE_MN_PRESENT) return 1; return 0; }

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PersonTokensPropCommitsCommitProp
Amit Kumar Salecha2240.00%133.33%
Himanshu Madhani1934.55%133.33%
schacko1425.45%133.33%
Total55100.00%3100.00%


static struct uni_table_desc *qlcnic_get_table_desc(const u8 *unirom, int section) { u32 i, entries; struct uni_table_desc *directory = (struct uni_table_desc *) &unirom[0]; entries = le32_to_cpu(directory->num_entries); for (i = 0; i < entries; i++) { u32 offs = le32_to_cpu(directory->findex) + i * le32_to_cpu(directory->entry_size); u32 tab_type = le32_to_cpu(*((__le32 *)&unirom[offs] + 8)); if (tab_type == section) return (struct uni_table_desc *) &unirom[offs]; } return NULL; }

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PersonTokensPropCommitsCommitProp
Amit Kumar Salecha11190.98%150.00%
Shahed Shaikh119.02%150.00%
Total122100.00%2100.00%

#define FILEHEADER_SIZE (14 * 4)
static int qlcnic_validate_header(struct qlcnic_adapter *adapter) { const u8 *unirom = adapter->fw->data; struct uni_table_desc *directory = (struct uni_table_desc *) &unirom[0]; u32 entries, entry_size, tab_size, fw_file_size; fw_file_size = adapter->fw->size; if (fw_file_size < FILEHEADER_SIZE) return -EINVAL; entries = le32_to_cpu(directory->num_entries); entry_size = le32_to_cpu(directory->entry_size); tab_size = le32_to_cpu(directory->findex) + (entries * entry_size); if (fw_file_size < tab_size) return -EINVAL; return 0; }

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Sucheta Chakraborty9787.39%150.00%
Shahed Shaikh1412.61%150.00%
Total111100.00%2100.00%


static int qlcnic_validate_bootld(struct qlcnic_adapter *adapter) { struct uni_table_desc *tab_desc; struct uni_data_desc *descr; u32 offs, tab_size, data_size, idx; const u8 *unirom = adapter->fw->data; __le32 temp; temp = *((__le32 *)&unirom[adapter->file_prd_off] + QLCNIC_UNI_BOOTLD_IDX_OFF); idx = le32_to_cpu(temp); tab_desc = qlcnic_get_table_desc(unirom, QLCNIC_UNI_DIR_SECT_BOOTLD); if (!tab_desc) return -EINVAL; tab_size = le32_to_cpu(tab_desc->findex) + le32_to_cpu(tab_desc->entry_size) * (idx + 1); if (adapter->fw->size < tab_size) return -EINVAL; offs = le32_to_cpu(tab_desc->findex) + le32_to_cpu(tab_desc->entry_size) * idx; descr = (struct uni_data_desc *)&unirom[offs]; data_size = le32_to_cpu(descr->findex) + le32_to_cpu(descr->size); if (adapter->fw->size < data_size) return -EINVAL; return 0; }

Contributors

PersonTokensPropCommitsCommitProp
Sucheta Chakraborty15783.51%133.33%
Shahed Shaikh2814.89%133.33%
Amit Kumar Salecha31.60%133.33%
Total188100.00%3100.00%


static int qlcnic_validate_fw(struct qlcnic_adapter *adapter) { struct uni_table_desc *tab_desc; struct uni_data_desc *descr; const u8 *unirom = adapter->fw->data; u32 offs, tab_size, data_size, idx; __le32 temp; temp = *((__le32 *)&unirom[adapter->file_prd_off] + QLCNIC_UNI_FIRMWARE_IDX_OFF); idx = le32_to_cpu(temp); tab_desc = qlcnic_get_table_desc(unirom, QLCNIC_UNI_DIR_SECT_FW); if (!tab_desc) return -EINVAL; tab_size = le32_to_cpu(tab_desc->findex) + le32_to_cpu(tab_desc->entry_size) * (idx + 1); if (adapter->fw->size < tab_size) return -EINVAL; offs = le32_to_cpu(tab_desc->findex) + le32_to_cpu(tab_desc->entry_size) * idx; descr = (struct uni_data_desc *)&unirom[offs]; data_size = le32_to_cpu(descr->findex) + le32_to_cpu(descr->size); if (adapter->fw->size < data_size) return -EINVAL; return 0; }

Contributors

PersonTokensPropCommitsCommitProp
Sucheta Chakraborty15884.04%133.33%
Shahed Shaikh2714.36%133.33%
Amit Kumar Salecha31.60%133.33%
Total188100.00%3100.00%


static int qlcnic_validate_product_offs(struct qlcnic_adapter *adapter) { struct uni_table_desc *ptab_descr; const u8 *unirom = adapter->fw->data; int mn_present = qlcnic_has_mn(adapter); u32 entries, entry_size, tab_size, i; __le32 temp; ptab_descr = qlcnic_get_table_desc(unirom, QLCNIC_UNI_DIR_SECT_PRODUCT_TBL); if (!ptab_descr) return -EINVAL; entries = le32_to_cpu(ptab_descr->num_entries); entry_size = le32_to_cpu(ptab_descr->entry_size); tab_size = le32_to_cpu(ptab_descr->findex) + (entries * entry_size); if (adapter->fw->size < tab_size) return -EINVAL; nomn: for (i = 0; i < entries; i++) { u32 flags, file_chiprev, offs; u8 chiprev = adapter->ahw->revision_id; u32 flagbit; offs = le32_to_cpu(ptab_descr->findex) + i * le32_to_cpu(ptab_descr->entry_size); temp = *((__le32 *)&unirom[offs] + QLCNIC_UNI_FLAGS_OFF); flags = le32_to_cpu(temp); temp = *((__le32 *)&unirom[offs] + QLCNIC_UNI_CHIP_REV_OFF); file_chiprev = le32_to_cpu(temp); flagbit = mn_present ? 1 : 2; if ((chiprev == file_chiprev) && ((1ULL << flagbit) & flags)) { adapter->file_prd_off = offs; return 0; } } if (mn_present) { mn_present = 0; goto nomn; } return -EINVAL; }

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PersonTokensPropCommitsCommitProp
Amit Kumar Salecha19171.27%125.00%
Sucheta Chakraborty4717.54%125.00%
Shahed Shaikh2910.82%125.00%
Anirban Chakraborty10.37%125.00%
Total268100.00%4100.00%


static int qlcnic_validate_unified_romimage(struct qlcnic_adapter *adapter) { if (qlcnic_validate_header(adapter)) { dev_err(&adapter->pdev->dev, "unified image: header validation failed\n"); return -EINVAL; } if (qlcnic_validate_product_offs(adapter)) { dev_err(&adapter->pdev->dev, "unified image: product validation failed\n"); return -EINVAL; } if (qlcnic_validate_bootld(adapter)) { dev_err(&adapter->pdev->dev, "unified image: bootld validation failed\n"); return -EINVAL; } if (qlcnic_validate_fw(adapter)) { dev_err(&adapter->pdev->dev, "unified image: firmware validation failed\n"); return -EINVAL; } return 0; }

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PersonTokensPropCommitsCommitProp
Sucheta Chakraborty11298.25%150.00%
Amit Kumar Salecha21.75%150.00%
Total114100.00%2100.00%


static struct uni_data_desc *qlcnic_get_data_desc(struct qlcnic_adapter *adapter, u32 section, u32 idx_offset) { const u8 *unirom = adapter->fw->data; struct uni_table_desc *tab_desc; u32 offs, idx; __le32 temp; temp = *((__le32 *)&unirom[adapter->file_prd_off] + idx_offset); idx = le32_to_cpu(temp); tab_desc = qlcnic_get_table_desc(unirom, section); if (tab_desc == NULL) return NULL; offs = le32_to_cpu(tab_desc->findex) + le32_to_cpu(tab_desc->entry_size) * idx; return (struct uni_data_desc *)&unirom[offs]; }

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PersonTokensPropCommitsCommitProp
Amit Kumar Salecha9379.49%150.00%
Shahed Shaikh2420.51%150.00%
Total117100.00%2100.00%


static u8 * qlcnic_get_bootld_offs(struct qlcnic_adapter *adapter) { u32 offs = QLCNIC_BOOTLD_START; struct uni_data_desc *data_desc; data_desc = qlcnic_get_data_desc(adapter, QLCNIC_UNI_DIR_SECT_BOOTLD, QLCNIC_UNI_BOOTLD_IDX_OFF); if (adapter->ahw->fw_type == QLCNIC_UNIFIED_ROMIMAGE) offs = le32_to_cpu(data_desc->findex); return (u8 *)&adapter->fw->data[offs]; }

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PersonTokensPropCommitsCommitProp
Amit Kumar Salecha4770.15%133.33%
Shahed Shaikh1826.87%133.33%
Sony Chacko22.99%133.33%
Total67100.00%3100.00%


static u8 * qlcnic_get_fw_offs(struct qlcnic_adapter *adapter) { u32 offs = QLCNIC_IMAGE_START; struct uni_data_desc *data_desc; data_desc = qlcnic_get_data_desc(adapter, QLCNIC_UNI_DIR_SECT_FW, QLCNIC_UNI_FIRMWARE_IDX_OFF); if (adapter->ahw->fw_type == QLCNIC_UNIFIED_ROMIMAGE) offs = le32_to_cpu(data_desc->findex); return (u8 *)&adapter->fw->data[offs]; }

Contributors

PersonTokensPropCommitsCommitProp
Amit Kumar Salecha4770.15%133.33%
Shahed Shaikh1826.87%133.33%
Sony Chacko22.99%133.33%
Total67100.00%3100.00%


static u32 qlcnic_get_fw_size(struct qlcnic_adapter *adapter) { struct uni_data_desc *data_desc; const u8 *unirom = adapter->fw->data; data_desc = qlcnic_get_data_desc(adapter, QLCNIC_UNI_DIR_SECT_FW, QLCNIC_UNI_FIRMWARE_IDX_OFF); if (adapter->ahw->fw_type == QLCNIC_UNIFIED_ROMIMAGE) return le32_to_cpu(data_desc->size); else return le32_to_cpu(*(__le32 *)&unirom[QLCNIC_FW_SIZE_OFFSET]); }

Contributors

PersonTokensPropCommitsCommitProp
Amit Kumar Salecha3650.00%133.33%
Shahed Shaikh3447.22%133.33%
Sony Chacko22.78%133.33%
Total72100.00%3100.00%


static u32 qlcnic_get_fw_version(struct qlcnic_adapter *adapter) { struct uni_data_desc *fw_data_desc; const struct firmware *fw = adapter->fw; u32 major, minor, sub; __le32 version_offset; const u8 *ver_str; int i, ret; if (adapter->ahw->fw_type != QLCNIC_UNIFIED_ROMIMAGE) { version_offset = *(__le32 *)&fw->data[QLCNIC_FW_VERSION_OFFSET]; return le32_to_cpu(version_offset); } fw_data_desc = qlcnic_get_data_desc(adapter, QLCNIC_UNI_DIR_SECT_FW, QLCNIC_UNI_FIRMWARE_IDX_OFF); ver_str = fw->data + le32_to_cpu(fw_data_desc->findex) + le32_to_cpu(fw_data_desc->size) - 17; for (i = 0; i < 12; i++) { if (!strncmp(&ver_str[i], "REV=", 4)) { ret = sscanf(&ver_str[i+4], "%u.%u.%u ", &major, &minor, &sub); if (ret != 3) return 0; else return major + (minor << 8) + (sub << 16); } } return 0; }

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PersonTokensPropCommitsCommitProp
Amit Kumar Salecha17789.85%133.33%
Shahed Shaikh189.14%133.33%
Sony Chacko21.02%133.33%
Total197100.00%3100.00%


static u32 qlcnic_get_bios_version(struct qlcnic_adapter *adapter) { const struct firmware *fw = adapter->fw; u32 bios_ver, prd_off = adapter->file_prd_off; u8 *version_offset; __le32 temp; if (adapter->ahw->fw_type != QLCNIC_UNIFIED_ROMIMAGE) { version_offset = (u8 *)&fw->data[QLCNIC_BIOS_VERSION_OFFSET]; return le32_to_cpu(*(__le32 *)version_offset); } temp = *((__le32 *)(&fw->data[prd_off]) + QLCNIC_UNI_BIOS_VERSION_OFF); bios_ver = le32_to_cpu(temp); return (bios_ver << 16) + ((bios_ver >> 8) & 0xff00) + (bios_ver >> 24); }

Contributors

PersonTokensPropCommitsCommitProp
Amit Kumar Salecha9072.00%250.00%
Shahed Shaikh3326.40%125.00%
Sony Chacko21.60%125.00%
Total125100.00%4100.00%


static void qlcnic_rom_lock_recovery(struct qlcnic_adapter *adapter) { if (qlcnic_pcie_sem_lock(adapter, 2, QLCNIC_ROM_LOCK_ID)) dev_info(&adapter->pdev->dev, "Resetting rom_lock\n"); qlcnic_pcie_sem_unlock(adapter, 2); }

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Sucheta Chakraborty41100.00%1100.00%
Total41100.00%1100.00%


static int qlcnic_check_fw_hearbeat(struct qlcnic_adapter *adapter) { u32 heartbeat, ret = -EIO; int retries = QLCNIC_HEARTBEAT_CHECK_RETRY_COUNT; adapter->heartbeat = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_ALIVE_COUNTER); do { msleep(QLCNIC_HEARTBEAT_PERIOD_MSECS); heartbeat = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_ALIVE_COUNTER); if (heartbeat != adapter->heartbeat) { ret = QLCNIC_RCODE_SUCCESS; break; } } while (--retries); return ret; }

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Sony Chacko7497.37%150.00%
Himanshu Madhani22.63%150.00%
Total76100.00%2100.00%


int qlcnic_need_fw_reset(struct qlcnic_adapter *adapter) { if ((adapter->flags & QLCNIC_FW_HANG) || qlcnic_check_fw_hearbeat(adapter)) { qlcnic_rom_lock_recovery(adapter); return 1; } if (adapter->need_fw_reset) return 1; if (adapter->fw) return 1; return 0; }

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PersonTokensPropCommitsCommitProp
Amit Kumar Salecha3664.29%125.00%
Sucheta Chakraborty1119.64%125.00%
Sritej Velaga814.29%125.00%
Sony Chacko11.79%125.00%
Total56100.00%4100.00%

static const char *fw_name[] = { QLCNIC_UNIFIED_ROMIMAGE_NAME, QLCNIC_FLASH_ROMIMAGE_NAME, };
int qlcnic_load_firmware(struct qlcnic_adapter *adapter) { __le64 *ptr64; u32 i, flashaddr, size; const struct firmware *fw = adapter->fw; struct pci_dev *pdev = adapter->pdev; dev_info(&pdev->dev, "loading firmware from %s\n", fw_name[adapter->ahw->fw_type]); if (fw) { u64 data; size = (QLCNIC_IMAGE_START - QLCNIC_BOOTLD_START) / 8; ptr64 = (__le64 *)qlcnic_get_bootld_offs(adapter); flashaddr = QLCNIC_BOOTLD_START; for (i = 0; i < size; i++) { data = le64_to_cpu(ptr64[i]); if (qlcnic_pci_mem_write_2M(adapter, flashaddr, data)) return -EIO; flashaddr += 8; } size = qlcnic_get_fw_size(adapter) / 8; ptr64 = (__le64 *)qlcnic_get_fw_offs(adapter); flashaddr = QLCNIC_IMAGE_START; for (i = 0; i < size; i++) { data = le64_to_cpu(ptr64[i]); if (qlcnic_pci_mem_write_2M(adapter, flashaddr, data)) return -EIO; flashaddr += 8; } size = qlcnic_get_fw_size(adapter) % 8; if (size) { data = le64_to_cpu(ptr64[i]); if (qlcnic_pci_mem_write_2M(adapter, flashaddr, data)) return -EIO; } } else { u64 data; u32 hi, lo; int ret; struct qlcnic_flt_entry bootld_entry; ret = qlcnic_get_flt_entry(adapter, QLCNIC_BOOTLD_REGION, &bootld_entry); if (!ret) { size = bootld_entry.size / 8; flashaddr = bootld_entry.start_addr; } else { size = (QLCNIC_IMAGE_START - QLCNIC_BOOTLD_START) / 8; flashaddr = QLCNIC_BOOTLD_START; dev_info(&pdev->dev, "using legacy method to get flash fw region"); } for (i = 0; i < size; i++) { if (qlcnic_rom_fast_read(adapter, flashaddr, (int *)&lo) != 0) return -EIO; if (qlcnic_rom_fast_read(adapter, flashaddr + 4, (int *)&hi) != 0) return -EIO; data = (((u64)hi << 32) | lo); if (qlcnic_pci_mem_write_2M(adapter, flashaddr, data)) return -EIO; flashaddr += 8; } } usleep_range(1000, 1500); QLCWR32(adapter, QLCNIC_CRB_PEG_NET_0 + 0x18, 0x1020); QLCWR32(adapter, QLCNIC_ROMUSB_GLB_SW_RESET, 0x80001e); return 0; }

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PersonTokensPropCommitsCommitProp
Amit Kumar Salecha38285.27%233.33%
Sritej Velaga5311.83%116.67%
Shahed Shaikh71.56%116.67%
Jitendra Kalsaria40.89%116.67%
Sony Chacko20.45%116.67%
Total448100.00%6100.00%


static int qlcnic_validate_firmware(struct qlcnic_adapter *adapter) { u32 val; u32 ver, bios, min_size; struct pci_dev *pdev = adapter->pdev; const struct firmware *fw = adapter->fw; u8 fw_type = adapter->ahw->fw_type; if (fw_type == QLCNIC_UNIFIED_ROMIMAGE) { if (qlcnic_validate_unified_romimage(adapter)) return -EINVAL; min_size = QLCNIC_UNI_FW_MIN_SIZE; } else { val = le32_to_cpu(*(__le32 *)&fw->data[QLCNIC_FW_MAGIC_OFFSET]); if (val != QLCNIC_BDINFO_MAGIC) return -EINVAL; min_size = QLCNIC_FW_MIN_SIZE; } if (fw->size < min_size) return -EINVAL; val = qlcnic_get_fw_version(adapter); ver = QLCNIC_DECODE_VERSION(val); if (ver < QLCNIC_MIN_FW_VERSION) { dev_err(&pdev->dev, "%s: firmware version %d.%d.%d unsupported\n", fw_name[fw_type], _major(ver), _minor(ver), _build(ver)); return -EINVAL; } val = qlcnic_get_bios_version(adapter); qlcnic_rom_fast_read(adapter, QLCNIC_BIOS_VERSION_OFFSET, (int *)&bios); if (val != bios) { dev_err(&pdev->dev, "%s: firmware bios is incompatible\n", fw_name[fw_type]); return -EINVAL; } QLC_SHARED_REG_WR32(adapter, QLCNIC_FW_IMG_VALID, QLCNIC_BDINFO_MAGIC); return 0; }

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PersonTokensPropCommitsCommitProp
Amit Kumar Salecha22696.17%116.67%
Shahed Shaikh31.28%116.67%
Sony Chacko20.85%116.67%
Himanshu Madhani20.85%116.67%
schacko10.43%116.67%
Sucheta Chakraborty10.43%116.67%
Total235100.00%6100.00%


static void qlcnic_get_next_fwtype(struct qlcnic_adapter *adapter) { u8 fw_type; switch (adapter->ahw->fw_type) { case QLCNIC_UNKNOWN_ROMIMAGE: fw_type = QLCNIC_UNIFIED_ROMIMAGE; break; case QLCNIC_UNIFIED_ROMIMAGE: default: fw_type = QLCNIC_FLASH_ROMIMAGE; break; } adapter->ahw->fw_type = fw_type; }

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PersonTokensPropCommitsCommitProp
Amit Kumar Salecha4591.84%150.00%
Sony Chacko48.16%150.00%
Total49100.00%2100.00%


void qlcnic_request_firmware(struct qlcnic_adapter *adapter) { struct pci_dev *pdev = adapter->pdev; int rc; adapter->ahw->fw_type = QLCNIC_UNKNOWN_ROMIMAGE; next: qlcnic_get_next_fwtype(adapter); if (adapter->ahw->fw_type == QLCNIC_FLASH_ROMIMAGE) { adapter->fw = NULL; } else { rc = request_firmware(&adapter->fw, fw_name[adapter->ahw->fw_type], &pdev->dev); if (rc != 0) goto next; rc = qlcnic_validate_firmware(adapter); if (rc != 0) { release_firmware(adapter->fw); usleep_range(1000, 1500); goto next; } } }

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PersonTokensPropCommitsCommitProp
Amit Kumar Salecha11391.87%133.33%
Sony Chacko64.88%133.33%
Jitendra Kalsaria43.25%133.33%
Total123100.00%3100.00%


void qlcnic_release_firmware(struct qlcnic_adapter *adapter) { release_firmware(adapter->fw); adapter->fw = NULL; }

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Amit Kumar Salecha23100.00%1100.00%
Total23100.00%1100.00%


Overall Contributors

PersonTokensPropCommitsCommitProp
Amit Kumar Salecha421067.06%820.00%
Sucheta Chakraborty74311.83%410.00%
Sony Chacko68910.97%615.00%
Shahed Shaikh2804.46%25.00%
Himanshu Madhani1382.20%512.50%
schacko871.39%12.50%
Sritej Velaga871.39%410.00%
Anirban Chakraborty250.40%512.50%
Jitendra Kalsaria140.22%37.50%
Joe Perches40.06%12.50%
Eric Dumazet10.02%12.50%
Total6278100.00%40100.00%
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