From 22c8c9343258feda9ea9ebb9e5f8cbb727b69454 Mon Sep 17 00:00:00 2001 From: Sucheta Chakraborty Date: Wed, 22 Jun 2011 02:52:23 +0000 Subject: qlcnic: multi protocol internal loopback support added. Driver will generate loopback traffic pattern and do the test. And returns result of the test to application. Updated driver version to 5.0.19. Signed-off-by: Sucheta Chakraborty Signed-off-by: Anirban Chakraborty Signed-off-by: David S. Miller --- drivers/net/qlcnic/qlcnic.h | 22 ++++++- drivers/net/qlcnic/qlcnic_ethtool.c | 123 ++++++++++++++++++++++++++++++++++- drivers/net/qlcnic/qlcnic_hw.c | 50 ++++++++++++++ drivers/net/qlcnic/qlcnic_init.c | 126 +++++++++++++++++++++++++++++++++++- drivers/net/qlcnic/qlcnic_main.c | 6 ++ 5 files changed, 322 insertions(+), 5 deletions(-) (limited to 'drivers/net/qlcnic') diff --git a/drivers/net/qlcnic/qlcnic.h b/drivers/net/qlcnic/qlcnic.h index 0be84bdb55b8..e5454502df6b 100644 --- a/drivers/net/qlcnic/qlcnic.h +++ b/drivers/net/qlcnic/qlcnic.h @@ -36,8 +36,8 @@ #define _QLCNIC_LINUX_MAJOR 5 #define _QLCNIC_LINUX_MINOR 0 -#define _QLCNIC_LINUX_SUBVERSION 18 -#define QLCNIC_LINUX_VERSIONID "5.0.18" +#define _QLCNIC_LINUX_SUBVERSION 19 +#define QLCNIC_LINUX_VERSIONID "5.0.19" #define QLCNIC_DRV_IDC_VER 0x01 #define QLCNIC_DRIVER_VERSION ((_QLCNIC_LINUX_MAJOR << 16) |\ (_QLCNIC_LINUX_MINOR << 8) | (_QLCNIC_LINUX_SUBVERSION)) @@ -451,6 +451,7 @@ struct qlcnic_hardware_context { u8 revision_id; u8 pci_func; u8 linkup; + u8 loopback_state; u16 port_type; u16 board_type; @@ -780,6 +781,13 @@ struct qlcnic_mac_list_s { #define QLCNIC_IP_UP 2 #define QLCNIC_IP_DOWN 3 +#define QLCNIC_ILB_MODE 0x1 + +#define QLCNIC_LINKEVENT 0x1 +#define QLCNIC_LB_RESPONSE 0x2 +#define QLCNIC_IS_LB_CONFIGURED(VAL) \ + (VAL == (QLCNIC_LINKEVENT | QLCNIC_LB_RESPONSE)) + /* * Driver --> Firmware */ @@ -789,13 +797,17 @@ struct qlcnic_mac_list_s { #define QLCNIC_H2C_OPCODE_LRO_REQUEST 0x7 #define QLCNIC_H2C_OPCODE_SET_MAC_RECEIVE_MODE 0xc #define QLCNIC_H2C_OPCODE_CONFIG_IPADDR 0x12 + #define QLCNIC_H2C_OPCODE_GET_LINKEVENT 0x15 #define QLCNIC_H2C_OPCODE_CONFIG_BRIDGING 0x17 #define QLCNIC_H2C_OPCODE_CONFIG_HW_LRO 0x18 +#define QLCNIC_H2C_OPCODE_CONFIG_LOOPBACK 0x13 + /* * Firmware --> Driver */ +#define QLCNIC_C2H_OPCODE_CONFIG_LOOPBACK 0x8f #define QLCNIC_C2H_OPCODE_GET_LINKEVENT_RESPONSE 141 #define VPORT_MISS_MODE_DROP 0 /* drop all unmatched */ @@ -1430,6 +1442,12 @@ int qlcnic_send_lro_cleanup(struct qlcnic_adapter *adapter); void qlcnic_update_cmd_producer(struct qlcnic_adapter *adapter, struct qlcnic_host_tx_ring *tx_ring); void qlcnic_fetch_mac(struct qlcnic_adapter *, u32, u32, u8, u8 *); +void qlcnic_process_rcv_ring_diag(struct qlcnic_host_sds_ring *sds_ring); +void qlcnic_clear_lb_mode(struct qlcnic_adapter *adapter); +int qlcnic_set_lb_mode(struct qlcnic_adapter *adapter, u8 mode); + +/* Functions from qlcnic_ethtool.c */ +int qlcnic_check_loopback_buff(unsigned char *data, u8 mac[]); /* Functions from qlcnic_main.c */ int qlcnic_reset_context(struct qlcnic_adapter *); diff --git a/drivers/net/qlcnic/qlcnic_ethtool.c b/drivers/net/qlcnic/qlcnic_ethtool.c index 31f5cba62223..743035e4538d 100644 --- a/drivers/net/qlcnic/qlcnic_ethtool.c +++ b/drivers/net/qlcnic/qlcnic_ethtool.c @@ -84,7 +84,8 @@ static const char qlcnic_device_gstrings_stats[][ETH_GSTRING_LEN] = { static const char qlcnic_gstrings_test[][ETH_GSTRING_LEN] = { "Register_Test_on_offline", "Link_Test_on_offline", - "Interrupt_Test_offline" + "Interrupt_Test_offline", + "Loopback_Test_offline" }; #define QLCNIC_TEST_LEN ARRAY_SIZE(qlcnic_gstrings_test) @@ -685,6 +686,123 @@ clear_it: return ret; } +#define QLCNIC_ILB_PKT_SIZE 64 +#define QLCNIC_NUM_ILB_PKT 16 +#define QLCNIC_ILB_MAX_RCV_LOOP 10 + +static void qlcnic_create_loopback_buff(unsigned char *data, u8 mac[]) +{ + unsigned char random_data[] = {0xa8, 0x06, 0x45, 0x00}; + + memset(data, 0x4e, QLCNIC_ILB_PKT_SIZE); + + memcpy(data, mac, ETH_ALEN); + memcpy(data + ETH_ALEN, mac, ETH_ALEN); + + memcpy(data + 2 * ETH_ALEN, random_data, sizeof(random_data)); +} + +int qlcnic_check_loopback_buff(unsigned char *data, u8 mac[]) +{ + unsigned char buff[QLCNIC_ILB_PKT_SIZE]; + qlcnic_create_loopback_buff(buff, mac); + return memcmp(data, buff, QLCNIC_ILB_PKT_SIZE); +} + +static int qlcnic_do_ilb_test(struct qlcnic_adapter *adapter) +{ + struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx; + struct qlcnic_host_sds_ring *sds_ring = &recv_ctx->sds_rings[0]; + struct sk_buff *skb; + int i, loop, cnt = 0; + + for (i = 0; i < QLCNIC_NUM_ILB_PKT; i++) { + skb = dev_alloc_skb(QLCNIC_ILB_PKT_SIZE); + qlcnic_create_loopback_buff(skb->data, adapter->mac_addr); + skb_put(skb, QLCNIC_ILB_PKT_SIZE); + + adapter->diag_cnt = 0; + qlcnic_xmit_frame(skb, adapter->netdev); + + loop = 0; + do { + msleep(1); + qlcnic_process_rcv_ring_diag(sds_ring); + if (loop++ > QLCNIC_ILB_MAX_RCV_LOOP) + break; + } while (!adapter->diag_cnt); + + dev_kfree_skb_any(skb); + + if (!adapter->diag_cnt) + dev_warn(&adapter->pdev->dev, "ILB Test: %dth packet" + " not recevied\n", i + 1); + else + cnt++; + } + if (cnt != i) { + dev_warn(&adapter->pdev->dev, "ILB Test failed\n"); + return -1; + } + return 0; +} + +static int qlcnic_iloopback_test(struct net_device *netdev) +{ + struct qlcnic_adapter *adapter = netdev_priv(netdev); + int max_sds_rings = adapter->max_sds_rings; + struct qlcnic_host_sds_ring *sds_ring; + int loop = 0; + int ret; + + netdev_info(netdev, "%s: in progress\n", __func__); + if (adapter->op_mode == QLCNIC_NON_PRIV_FUNC) { + netdev_warn(netdev, "Loopback test not supported for non " + "privilege function\n"); + return 0; + } + + if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state)) + return -EIO; + + + ret = qlcnic_diag_alloc_res(netdev, QLCNIC_LOOPBACK_TEST); + if (ret) + goto clear_it; + + sds_ring = &adapter->recv_ctx->sds_rings[0]; + + ret = qlcnic_set_lb_mode(adapter, QLCNIC_ILB_MODE); + if (ret) + goto free_res; + + do { + msleep(500); + qlcnic_process_rcv_ring_diag(sds_ring); + if (loop++ > QLCNIC_ILB_MAX_RCV_LOOP) + break; + } while (!QLCNIC_IS_LB_CONFIGURED(adapter->ahw->loopback_state)); + + if (!QLCNIC_IS_LB_CONFIGURED(adapter->ahw->loopback_state)) { + netdev_info(netdev, "firmware didnt respond to loopback " + "configure request\n"); + ret = adapter->ahw->loopback_state; + goto free_res; + } + + ret = qlcnic_do_ilb_test(adapter); + + qlcnic_clear_lb_mode(adapter); + + free_res: + qlcnic_diag_free_res(netdev, max_sds_rings); + + clear_it: + adapter->max_sds_rings = max_sds_rings; + clear_bit(__QLCNIC_RESETTING, &adapter->state); + return ret; +} + static void qlcnic_diag_test(struct net_device *dev, struct ethtool_test *eth_test, u64 *data) @@ -704,6 +822,9 @@ qlcnic_diag_test(struct net_device *dev, struct ethtool_test *eth_test, if (data[2]) eth_test->flags |= ETH_TEST_FL_FAILED; + data[3] = qlcnic_iloopback_test(dev); + if (data[3]) + eth_test->flags |= ETH_TEST_FL_FAILED; } } diff --git a/drivers/net/qlcnic/qlcnic_hw.c b/drivers/net/qlcnic/qlcnic_hw.c index 81de563ee96c..0391a04695dd 100644 --- a/drivers/net/qlcnic/qlcnic_hw.c +++ b/drivers/net/qlcnic/qlcnic_hw.c @@ -533,6 +533,56 @@ void qlcnic_delete_lb_filters(struct qlcnic_adapter *adapter) } } +int qlcnic_set_fw_loopback(struct qlcnic_adapter *adapter, u8 flag) +{ + struct qlcnic_nic_req req; + int rv; + + memset(&req, 0, sizeof(struct qlcnic_nic_req)); + + req.qhdr = cpu_to_le64(QLCNIC_HOST_REQUEST << 23); + req.req_hdr = cpu_to_le64(QLCNIC_H2C_OPCODE_CONFIG_LOOPBACK | + ((u64) adapter->portnum << 16) | ((u64) 0x1 << 32)); + + req.words[0] = cpu_to_le64(flag); + + rv = qlcnic_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1); + if (rv != 0) + dev_err(&adapter->pdev->dev, "%sting loopback mode failed\n", + flag ? "Set" : "Reset"); + return rv; +} + +int qlcnic_set_lb_mode(struct qlcnic_adapter *adapter, u8 mode) +{ + if (qlcnic_set_fw_loopback(adapter, mode)) + return -EIO; + + if (qlcnic_nic_set_promisc(adapter, VPORT_MISS_MODE_ACCEPT_ALL)) { + qlcnic_set_fw_loopback(adapter, mode); + return -EIO; + } + + msleep(1000); + return 0; +} + +void qlcnic_clear_lb_mode(struct qlcnic_adapter *adapter) +{ + int mode = VPORT_MISS_MODE_DROP; + struct net_device *netdev = adapter->netdev; + + qlcnic_set_fw_loopback(adapter, 0); + + if (netdev->flags & IFF_PROMISC) + mode = VPORT_MISS_MODE_ACCEPT_ALL; + else if (netdev->flags & IFF_ALLMULTI) + mode = VPORT_MISS_MODE_ACCEPT_MULTI; + + qlcnic_nic_set_promisc(adapter, mode); + msleep(1000); +} + /* * Send the interrupt coalescing parameter set by ethtool to the card. */ diff --git a/drivers/net/qlcnic/qlcnic_init.c b/drivers/net/qlcnic/qlcnic_init.c index 5b8bbcf904d5..9d5bee03a587 100644 --- a/drivers/net/qlcnic/qlcnic_init.c +++ b/drivers/net/qlcnic/qlcnic_init.c @@ -1281,6 +1281,7 @@ qlcnic_handle_linkevent(struct qlcnic_adapter *adapter, u16 cable_len; u16 link_speed; u8 link_status, module, duplex, autoneg; + u8 lb_status = 0; struct net_device *netdev = adapter->netdev; adapter->has_link_events = 1; @@ -1292,6 +1293,7 @@ qlcnic_handle_linkevent(struct qlcnic_adapter *adapter, link_status = msg->body[2] & 0xff; duplex = (msg->body[2] >> 16) & 0xff; autoneg = (msg->body[2] >> 24) & 0xff; + lb_status = (msg->body[2] >> 32) & 0x3; module = (msg->body[2] >> 8) & 0xff; if (module == LINKEVENT_MODULE_TWINAX_UNSUPPORTED_CABLE) @@ -1301,6 +1303,9 @@ qlcnic_handle_linkevent(struct qlcnic_adapter *adapter, dev_info(&netdev->dev, "unsupported cable length %d\n", cable_len); + if (!link_status && (lb_status == 1)) + adapter->ahw->loopback_state |= QLCNIC_LINKEVENT; + qlcnic_advert_link_change(adapter, link_status); if (duplex == LINKEVENT_FULL_DUPLEX) @@ -1319,7 +1324,9 @@ qlcnic_handle_fw_message(int desc_cnt, int index, { struct qlcnic_fw_msg msg; struct status_desc *desc; - int i = 0, opcode; + struct qlcnic_adapter *adapter; + struct device *dev; + int i = 0, opcode, ret; while (desc_cnt > 0 && i < 8) { desc = &sds_ring->desc_head[index]; @@ -1330,10 +1337,28 @@ qlcnic_handle_fw_message(int desc_cnt, int index, desc_cnt--; } + adapter = sds_ring->adapter; + dev = &adapter->pdev->dev; opcode = qlcnic_get_nic_msg_opcode(msg.body[0]); + switch (opcode) { case QLCNIC_C2H_OPCODE_GET_LINKEVENT_RESPONSE: - qlcnic_handle_linkevent(sds_ring->adapter, &msg); + qlcnic_handle_linkevent(adapter, &msg); + break; + case QLCNIC_C2H_OPCODE_CONFIG_LOOPBACK: + ret = (u32)(msg.body[1]); + switch (ret) { + case 0: + adapter->ahw->loopback_state |= QLCNIC_LB_RESPONSE; + break; + case 1: + dev_info(dev, "loopback already in progress\n"); + break; + default: + dev_info(dev, "loopback configure request failed," + " ret %x\n", ret); + break; + } break; default: break; @@ -1746,6 +1771,103 @@ qlcnic_post_rx_buffers_nodb(struct qlcnic_adapter *adapter, spin_unlock(&rds_ring->lock); } +static void dump_skb(struct sk_buff *skb) +{ + int i; + unsigned char *data = skb->data; + + printk(KERN_INFO "\n"); + for (i = 0; i < skb->len; i++) { + printk(KERN_INFO "%02x ", data[i]); + if ((i & 0x0f) == 8) + printk(KERN_INFO "\n"); + } +} + +void qlcnic_process_rcv_diag(struct qlcnic_adapter *adapter, + struct qlcnic_host_sds_ring *sds_ring, + int ring, u64 sts_data0) +{ + struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx; + struct sk_buff *skb; + struct qlcnic_host_rds_ring *rds_ring; + int index, length, cksum, pkt_offset; + + if (unlikely(ring >= adapter->max_rds_rings)) + return; + + rds_ring = &recv_ctx->rds_rings[ring]; + + index = qlcnic_get_sts_refhandle(sts_data0); + length = qlcnic_get_sts_totallength(sts_data0); + if (unlikely(index >= rds_ring->num_desc)) + return; + + cksum = qlcnic_get_sts_status(sts_data0); + pkt_offset = qlcnic_get_sts_pkt_offset(sts_data0); + + skb = qlcnic_process_rxbuf(adapter, rds_ring, index, cksum); + if (!skb) + return; + + if (length > rds_ring->skb_size) + skb_put(skb, rds_ring->skb_size); + else + skb_put(skb, length); + + if (pkt_offset) + skb_pull(skb, pkt_offset); + + if (!qlcnic_check_loopback_buff(skb->data, adapter->mac_addr)) + adapter->diag_cnt++; + else + dump_skb(skb); + + dev_kfree_skb_any(skb); + adapter->stats.rx_pkts++; + adapter->stats.rxbytes += length; + + return; +} + +void +qlcnic_process_rcv_ring_diag(struct qlcnic_host_sds_ring *sds_ring) +{ + struct qlcnic_adapter *adapter = sds_ring->adapter; + struct status_desc *desc; + u64 sts_data0; + int ring, opcode, desc_cnt; + + u32 consumer = sds_ring->consumer; + + desc = &sds_ring->desc_head[consumer]; + sts_data0 = le64_to_cpu(desc->status_desc_data[0]); + + if (!(sts_data0 & STATUS_OWNER_HOST)) + return; + + desc_cnt = qlcnic_get_sts_desc_cnt(sts_data0); + opcode = qlcnic_get_sts_opcode(sts_data0); + switch (opcode) { + case QLCNIC_RESPONSE_DESC: + qlcnic_handle_fw_message(desc_cnt, consumer, sds_ring); + break; + default: + ring = qlcnic_get_sts_type(sts_data0); + qlcnic_process_rcv_diag(adapter, sds_ring, ring, sts_data0); + break; + } + + for (; desc_cnt > 0; desc_cnt--) { + desc = &sds_ring->desc_head[consumer]; + desc->status_desc_data[0] = cpu_to_le64(STATUS_OWNER_PHANTOM); + consumer = get_next_index(consumer, sds_ring->num_desc); + } + + sds_ring->consumer = consumer; + writel(consumer, sds_ring->crb_sts_consumer); +} + void qlcnic_fetch_mac(struct qlcnic_adapter *adapter, u32 off1, u32 off2, u8 alt_mac, u8 *mac) diff --git a/drivers/net/qlcnic/qlcnic_main.c b/drivers/net/qlcnic/qlcnic_main.c index ac7f8a2f7d9c..357436be801e 100644 --- a/drivers/net/qlcnic/qlcnic_main.c +++ b/drivers/net/qlcnic/qlcnic_main.c @@ -1391,6 +1391,12 @@ int qlcnic_diag_alloc_res(struct net_device *netdev, int test) qlcnic_enable_int(sds_ring); } } + + if (adapter->diag_test == QLCNIC_LOOPBACK_TEST) { + adapter->ahw->loopback_state = 0; + qlcnic_linkevent_request(adapter, 1); + } + set_bit(__QLCNIC_DEV_UP, &adapter->state); return 0; -- cgit v1.2.3