diff options
Diffstat (limited to 'drivers/net/bnx2x_main.c')
| -rw-r--r-- | drivers/net/bnx2x_main.c | 496 |
1 files changed, 487 insertions, 9 deletions
diff --git a/drivers/net/bnx2x_main.c b/drivers/net/bnx2x_main.c index e97fe8cddac..e9037131a04 100644 --- a/drivers/net/bnx2x_main.c +++ b/drivers/net/bnx2x_main.c @@ -8313,10 +8313,17 @@ static int bnx2x_set_tso(struct net_device *dev, u32 data) return 0; } -static struct { +static const struct { char string[ETH_GSTRING_LEN]; } bnx2x_tests_str_arr[BNX2X_NUM_TESTS] = { - { "MC Errors (online)" } + { "register_test (offline)" }, + { "memory_test (offline)" }, + { "loopback_test (offline)" }, + { "nvram_test (online)" }, + { "interrupt_test (online)" }, + { "link_test (online)" }, + { "idle check (online)" }, + { "MC errors (online)" } }; static int bnx2x_self_test_count(struct net_device *dev) @@ -8324,25 +8331,496 @@ static int bnx2x_self_test_count(struct net_device *dev) return BNX2X_NUM_TESTS; } +static int bnx2x_test_registers(struct bnx2x *bp) +{ + int idx, i, rc = -ENODEV; + u32 wr_val = 0; + static const struct { + u32 offset0; + u32 offset1; + u32 mask; + } reg_tbl[] = { +/* 0 */ { BRB1_REG_PAUSE_LOW_THRESHOLD_0, 4, 0x000003ff }, + { DORQ_REG_DB_ADDR0, 4, 0xffffffff }, + { HC_REG_AGG_INT_0, 4, 0x000003ff }, + { PBF_REG_MAC_IF0_ENABLE, 4, 0x00000001 }, + { PBF_REG_P0_INIT_CRD, 4, 0x000007ff }, + { PRS_REG_CID_PORT_0, 4, 0x00ffffff }, + { PXP2_REG_PSWRQ_CDU0_L2P, 4, 0x000fffff }, + { PXP2_REG_RQ_CDU0_EFIRST_MEM_ADDR, 8, 0x0003ffff }, + { PXP2_REG_PSWRQ_TM0_L2P, 4, 0x000fffff }, + { PXP2_REG_RQ_USDM0_EFIRST_MEM_ADDR, 8, 0x0003ffff }, +/* 10 */ { PXP2_REG_PSWRQ_TSDM0_L2P, 4, 0x000fffff }, + { QM_REG_CONNNUM_0, 4, 0x000fffff }, + { TM_REG_LIN0_MAX_ACTIVE_CID, 4, 0x0003ffff }, + { SRC_REG_KEYRSS0_0, 40, 0xffffffff }, + { SRC_REG_KEYRSS0_7, 40, 0xffffffff }, + { XCM_REG_WU_DA_SET_TMR_CNT_FLG_CMD00, 4, 0x00000001 }, + { XCM_REG_WU_DA_CNT_CMD00, 4, 0x00000003 }, + { XCM_REG_GLB_DEL_ACK_MAX_CNT_0, 4, 0x000000ff }, + { NIG_REG_EGRESS_MNG0_FIFO, 20, 0xffffffff }, + { NIG_REG_LLH0_T_BIT, 4, 0x00000001 }, +/* 20 */ { NIG_REG_EMAC0_IN_EN, 4, 0x00000001 }, + { NIG_REG_BMAC0_IN_EN, 4, 0x00000001 }, + { NIG_REG_XCM0_OUT_EN, 4, 0x00000001 }, + { NIG_REG_BRB0_OUT_EN, 4, 0x00000001 }, + { NIG_REG_LLH0_XCM_MASK, 4, 0x00000007 }, + { NIG_REG_LLH0_ACPI_PAT_6_LEN, 68, 0x000000ff }, + { NIG_REG_LLH0_ACPI_PAT_0_CRC, 68, 0xffffffff }, + { NIG_REG_LLH0_DEST_MAC_0_0, 160, 0xffffffff }, + { NIG_REG_LLH0_DEST_IP_0_1, 160, 0xffffffff }, + { NIG_REG_LLH0_IPV4_IPV6_0, 160, 0x00000001 }, +/* 30 */ { NIG_REG_LLH0_DEST_UDP_0, 160, 0x0000ffff }, + { NIG_REG_LLH0_DEST_TCP_0, 160, 0x0000ffff }, + { NIG_REG_LLH0_VLAN_ID_0, 160, 0x00000fff }, + { NIG_REG_XGXS_SERDES0_MODE_SEL, 4, 0x00000001 }, + { NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0, 4, 0x00000001 }, + { NIG_REG_STATUS_INTERRUPT_PORT0, 4, 0x07ffffff }, + { NIG_REG_XGXS0_CTRL_EXTREMOTEMDIOST, 24, 0x00000001 }, + { NIG_REG_SERDES0_CTRL_PHY_ADDR, 16, 0x0000001f }, + + { 0xffffffff, 0, 0x00000000 } + }; + + if (!netif_running(bp->dev)) + return rc; + + /* Repeat the test twice: + First by writing 0x00000000, second by writing 0xffffffff */ + for (idx = 0; idx < 2; idx++) { + + switch (idx) { + case 0: + wr_val = 0; + break; + case 1: + wr_val = 0xffffffff; + break; + } + + for (i = 0; reg_tbl[i].offset0 != 0xffffffff; i++) { + u32 offset, mask, save_val, val; + int port = BP_PORT(bp); + + offset = reg_tbl[i].offset0 + port*reg_tbl[i].offset1; + mask = reg_tbl[i].mask; + + save_val = REG_RD(bp, offset); + + REG_WR(bp, offset, wr_val); + val = REG_RD(bp, offset); + + /* Restore the original register's value */ + REG_WR(bp, offset, save_val); + + /* verify that value is as expected value */ + if ((val & mask) != (wr_val & mask)) + goto test_reg_exit; + } + } + + rc = 0; + +test_reg_exit: + return rc; +} + +static int bnx2x_test_memory(struct bnx2x *bp) +{ + int i, j, rc = -ENODEV; + u32 val; + static const struct { + u32 offset; + int size; + } mem_tbl[] = { + { CCM_REG_XX_DESCR_TABLE, CCM_REG_XX_DESCR_TABLE_SIZE }, + { CFC_REG_ACTIVITY_COUNTER, CFC_REG_ACTIVITY_COUNTER_SIZE }, + { CFC_REG_LINK_LIST, CFC_REG_LINK_LIST_SIZE }, + { DMAE_REG_CMD_MEM, DMAE_REG_CMD_MEM_SIZE }, + { TCM_REG_XX_DESCR_TABLE, TCM_REG_XX_DESCR_TABLE_SIZE }, + { UCM_REG_XX_DESCR_TABLE, UCM_REG_XX_DESCR_TABLE_SIZE }, + { XCM_REG_XX_DESCR_TABLE, XCM_REG_XX_DESCR_TABLE_SIZE }, + + { 0xffffffff, 0 } + }; + static const struct { + char *name; + u32 offset; + u32 mask; + } prty_tbl[] = { + { "CCM_REG_CCM_PRTY_STS", CCM_REG_CCM_PRTY_STS, 0 }, + { "CFC_REG_CFC_PRTY_STS", CFC_REG_CFC_PRTY_STS, 0 }, + { "DMAE_REG_DMAE_PRTY_STS", DMAE_REG_DMAE_PRTY_STS, 0 }, + { "TCM_REG_TCM_PRTY_STS", TCM_REG_TCM_PRTY_STS, 0 }, + { "UCM_REG_UCM_PRTY_STS", UCM_REG_UCM_PRTY_STS, 0 }, + { "XCM_REG_XCM_PRTY_STS", XCM_REG_XCM_PRTY_STS, 0x1 }, + + { NULL, 0xffffffff, 0 } + }; + + if (!netif_running(bp->dev)) + return rc; + + /* Go through all the memories */ + for (i = 0; mem_tbl[i].offset != 0xffffffff; i++) + for (j = 0; j < mem_tbl[i].size; j++) + REG_RD(bp, mem_tbl[i].offset + j*4); + + /* Check the parity status */ + for (i = 0; prty_tbl[i].offset != 0xffffffff; i++) { + val = REG_RD(bp, prty_tbl[i].offset); + if (val & ~(prty_tbl[i].mask)) { + DP(NETIF_MSG_HW, + "%s is 0x%x\n", prty_tbl[i].name, val); + goto test_mem_exit; + } + } + + rc = 0; + +test_mem_exit: + return rc; +} + +static void bnx2x_netif_start(struct bnx2x *bp) +{ + int i; + + if (atomic_dec_and_test(&bp->intr_sem)) { + if (netif_running(bp->dev)) { + bnx2x_int_enable(bp); + for_each_queue(bp, i) + napi_enable(&bnx2x_fp(bp, i, napi)); + if (bp->state == BNX2X_STATE_OPEN) + netif_wake_queue(bp->dev); + } + } +} + +static void bnx2x_netif_stop(struct bnx2x *bp) +{ + int i; + + if (netif_running(bp->dev)) { + netif_tx_disable(bp->dev); + bp->dev->trans_start = jiffies; /* prevent tx timeout */ + for_each_queue(bp, i) + napi_disable(&bnx2x_fp(bp, i, napi)); + } + bnx2x_int_disable_sync(bp); +} + +static void bnx2x_wait_for_link(struct bnx2x *bp, u8 link_up) +{ + int cnt = 1000; + + if (link_up) + while (bnx2x_link_test(bp) && cnt--) + msleep(10); +} + +static int bnx2x_run_loopback(struct bnx2x *bp, int loopback_mode, u8 link_up) +{ + unsigned int pkt_size, num_pkts, i; + struct sk_buff *skb; + unsigned char *packet; + struct bnx2x_fastpath *fp = &bp->fp[0]; + u16 tx_start_idx, tx_idx; + u16 rx_start_idx, rx_idx; + u16 pkt_prod; + struct sw_tx_bd *tx_buf; + struct eth_tx_bd *tx_bd; + dma_addr_t mapping; + union eth_rx_cqe *cqe; + u8 cqe_fp_flags; + struct sw_rx_bd *rx_buf; + u16 len; + int rc = -ENODEV; + + if (loopback_mode == BNX2X_MAC_LOOPBACK) { + bp->link_params.loopback_mode = LOOPBACK_BMAC; + bnx2x_phy_hw_lock(bp); + bnx2x_phy_init(&bp->link_params, &bp->link_vars); + bnx2x_phy_hw_unlock(bp); + + } else if (loopback_mode == BNX2X_PHY_LOOPBACK) { + bp->link_params.loopback_mode = LOOPBACK_XGXS_10; + bnx2x_phy_hw_lock(bp); + bnx2x_phy_init(&bp->link_params, &bp->link_vars); + bnx2x_phy_hw_unlock(bp); + /* wait until link state is restored */ + bnx2x_wait_for_link(bp, link_up); + + } else + return -EINVAL; + + pkt_size = 1514; + skb = netdev_alloc_skb(bp->dev, bp->rx_buf_size); + if (!skb) { + rc = -ENOMEM; + goto test_loopback_exit; + } + packet = skb_put(skb, pkt_size); + memcpy(packet, bp->dev->dev_addr, ETH_ALEN); + memset(packet + ETH_ALEN, 0, (ETH_HLEN - ETH_ALEN)); + for (i = ETH_HLEN; i < pkt_size; i++) + packet[i] = (unsigned char) (i & 0xff); + + num_pkts = 0; + tx_start_idx = le16_to_cpu(*fp->tx_cons_sb); + rx_start_idx = le16_to_cpu(*fp->rx_cons_sb); + + pkt_prod = fp->tx_pkt_prod++; + tx_buf = &fp->tx_buf_ring[TX_BD(pkt_prod)]; + tx_buf->first_bd = fp->tx_bd_prod; + tx_buf->skb = skb; + + tx_bd = &fp->tx_desc_ring[TX_BD(fp->tx_bd_prod)]; + mapping = pci_map_single(bp->pdev, skb->data, + skb_headlen(skb), PCI_DMA_TODEVICE); + tx_bd->addr_hi = cpu_to_le32(U64_HI(mapping)); + tx_bd->addr_lo = cpu_to_le32(U64_LO(mapping)); + tx_bd->nbd = cpu_to_le16(1); + tx_bd->nbytes = cpu_to_le16(skb_headlen(skb)); + tx_bd->vlan = cpu_to_le16(pkt_prod); + tx_bd->bd_flags.as_bitfield = (ETH_TX_BD_FLAGS_START_BD | + ETH_TX_BD_FLAGS_END_BD); + tx_bd->general_data = ((UNICAST_ADDRESS << + ETH_TX_BD_ETH_ADDR_TYPE_SHIFT) | 1); + + fp->hw_tx_prods->bds_prod = + cpu_to_le16(le16_to_cpu(fp->hw_tx_prods->bds_prod) + 1); + mb(); /* FW restriction: must not reorder writing nbd and packets */ + fp->hw_tx_prods->packets_prod = + cpu_to_le32(le32_to_cpu(fp->hw_tx_prods->packets_prod) + 1); + DOORBELL(bp, FP_IDX(fp), 0); + + mmiowb(); + + num_pkts++; + fp->tx_bd_prod++; + bp->dev->trans_start = jiffies; + + udelay(100); + + tx_idx = le16_to_cpu(*fp->tx_cons_sb); + if (tx_idx != tx_start_idx + num_pkts) + goto test_loopback_exit; + + rx_idx = le16_to_cpu(*fp->rx_cons_sb); + if (rx_idx != rx_start_idx + num_pkts) + goto test_loopback_exit; + + cqe = &fp->rx_comp_ring[RCQ_BD(fp->rx_comp_cons)]; + cqe_fp_flags = cqe->fast_path_cqe.type_error_flags; + if (CQE_TYPE(cqe_fp_flags) || (cqe_fp_flags & ETH_RX_ERROR_FALGS)) + goto test_loopback_rx_exit; + + len = le16_to_cpu(cqe->fast_path_cqe.pkt_len); + if (len != pkt_size) + goto test_loopback_rx_exit; + + rx_buf = &fp->rx_buf_ring[RX_BD(fp->rx_bd_cons)]; + skb = rx_buf->skb; + skb_reserve(skb, cqe->fast_path_cqe.placement_offset); + for (i = ETH_HLEN; i < pkt_size; i++) + if (*(skb->data + i) != (unsigned char) (i & 0xff)) + goto test_loopback_rx_exit; + + rc = 0; + +test_loopback_rx_exit: + bp->dev->last_rx = jiffies; + + fp->rx_bd_cons = NEXT_RX_IDX(fp->rx_bd_cons); + fp->rx_bd_prod = NEXT_RX_IDX(fp->rx_bd_prod); + fp->rx_comp_cons = NEXT_RCQ_IDX(fp->rx_comp_cons); + fp->rx_comp_prod = NEXT_RCQ_IDX(fp->rx_comp_prod); + + /* Update producers */ + bnx2x_update_rx_prod(bp, fp, fp->rx_bd_prod, fp->rx_comp_prod, + fp->rx_sge_prod); + mmiowb(); /* keep prod updates ordered */ + +test_loopback_exit: + bp->link_params.loopback_mode = LOOPBACK_NONE; + + return rc; +} + +static int bnx2x_test_loopback(struct bnx2x *bp, u8 link_up) +{ + int rc = 0; + + if (!netif_running(bp->dev)) + return BNX2X_LOOPBACK_FAILED; + + bnx2x_netif_stop(bp); + + if (bnx2x_run_loopback(bp, BNX2X_MAC_LOOPBACK, link_up)) { + DP(NETIF_MSG_PROBE, "MAC loopback failed\n"); + rc |= BNX2X_MAC_LOOPBACK_FAILED; + } + + if (bnx2x_run_loopback(bp, BNX2X_PHY_LOOPBACK, link_up)) { + DP(NETIF_MSG_PROBE, "PHY loopback failed\n"); + rc |= BNX2X_PHY_LOOPBACK_FAILED; + } + + bnx2x_netif_start(bp); + + return rc; +} + +#define CRC32_RESIDUAL 0xdebb20e3 + +static int bnx2x_test_nvram(struct bnx2x *bp) +{ + static const struct { + int offset; + int size; + } nvram_tbl[] = { + { 0, 0x14 }, /* bootstrap */ + { 0x14, 0xec }, /* dir */ + { 0x100, 0x350 }, /* manuf_info */ + { 0x450, 0xf0 }, /* feature_info */ + { 0x640, 0x64 }, /* upgrade_key_info */ + { 0x6a4, 0x64 }, + { 0x708, 0x70 }, /* manuf_key_info */ + { 0x778, 0x70 }, + { 0, 0 } + }; + u32 buf[0x350 / 4]; + u8 *data = (u8 *)buf; + int i, rc; + u32 magic, csum; + + rc = bnx2x_nvram_read(bp, 0, data, 4); + if (rc) { + DP(NETIF_MSG_PROBE, "magic value read (rc -%d)\n", -rc); + goto test_nvram_exit; + } + + magic = be32_to_cpu(buf[0]); + if (magic != 0x669955aa) { + DP(NETIF_MSG_PROBE, "magic value (0x%08x)\n", magic); + rc = -ENODEV; + goto test_nvram_exit; + } + + for (i = 0; nvram_tbl[i].size; i++) { + + rc = bnx2x_nvram_read(bp, nvram_tbl[i].offset, data, + nvram_tbl[i].size); + if (rc) { + DP(NETIF_MSG_PROBE, + "nvram_tbl[%d] read data (rc -%d)\n", i, -rc); + goto test_nvram_exit; + } + + csum = ether_crc_le(nvram_tbl[i].size, data); + if (csum != CRC32_RESIDUAL) { + DP(NETIF_MSG_PROBE, + "nvram_tbl[%d] csum value (0x%08x)\n", i, csum); + rc = -ENODEV; + goto test_nvram_exit; + } + } + +test_nvram_exit: + return rc; +} + +static int bnx2x_test_intr(struct bnx2x *bp) +{ + struct mac_configuration_cmd *config = bnx2x_sp(bp, mac_config); + int i, rc; + + if (!netif_running(bp->dev)) + return -ENODEV; + + config->hdr.length_6b = 0; + config->hdr.offset = 0; + config->hdr.client_id = BP_CL_ID(bp); + config->hdr.reserved1 = 0; + + rc = bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_SET_MAC, 0, + U64_HI(bnx2x_sp_mapping(bp, mac_config)), + U64_LO(bnx2x_sp_mapping(bp, mac_config)), 0); + if (rc == 0) { + bp->set_mac_pending++; + for (i = 0; i < 10; i++) { + if (!bp->set_mac_pending) + break; + msleep_interruptible(10); + } + if (i == 10) + rc = -ENODEV; + } + + return rc; +} + static void bnx2x_self_test(struct net_device *dev, struct ethtool_test *etest, u64 *buf) { struct bnx2x *bp = netdev_priv(dev); - int stats_state; memset(buf, 0, sizeof(u64) * BNX2X_NUM_TESTS); - if (bp->state != BNX2X_STATE_OPEN) { - DP(NETIF_MSG_PROBE, "state is %x, returning\n", bp->state); + if (!netif_running(dev)) return; - } - stats_state = bp->stats_state; + /* offline tests are not suppoerted in MF mode */ + if (IS_E1HMF(bp)) + etest->flags &= ~ETH_TEST_FL_OFFLINE; + + if (etest->flags & ETH_TEST_FL_OFFLINE) { + u8 link_up; + + link_up = bp->link_vars.link_up; + bnx2x_nic_unload(bp, UNLOAD_NORMAL); + bnx2x_nic_load(bp, LOAD_DIAG); + /* wait until link state is restored */ + bnx2x_wait_for_link(bp, link_up); + + if (bnx2x_test_registers(bp) != 0) { + buf[0] = 1; + etest->flags |= ETH_TEST_FL_FAILED; + } + if (bnx2x_test_memory(bp) != 0) { + buf[1] = 1; + etest->flags |= ETH_TEST_FL_FAILED; + } + buf[2] = bnx2x_test_loopback(bp, link_up); + if (buf[2] != 0) + etest->flags |= ETH_TEST_FL_FAILED; - if (bnx2x_mc_assert(bp) != 0) { - buf[0] = 1; + bnx2x_nic_unload(bp, UNLOAD_NORMAL); + bnx2x_nic_load(bp, LOAD_NORMAL); + /* wait until link state is restored */ + bnx2x_wait_for_link(bp, link_up); + } + if (bnx2x_test_nvram(bp) != 0) { + buf[3] = 1; + etest->flags |= ETH_TEST_FL_FAILED; + } + if (bnx2x_test_intr(bp) != 0) { + buf[4] = 1; etest->flags |= ETH_TEST_FL_FAILED; } + if (bp->port.pmf) + if (bnx2x_link_test(bp) != 0) { + buf[5] = 1; + etest->flags |= ETH_TEST_FL_FAILED; + } + buf[7] = bnx2x_mc_assert(bp); + if (buf[7] != 0) + etest->flags |= ETH_TEST_FL_FAILED; + +#ifdef BNX2X_EXTRA_DEBUG + bnx2x_panic_dump(bp); +#endif } static const struct { |