diff options
Diffstat (limited to 'drivers/net/qlge/qlge_ethtool.c')
| -rw-r--r-- | drivers/net/qlge/qlge_ethtool.c | 112 |
1 files changed, 112 insertions, 0 deletions
diff --git a/drivers/net/qlge/qlge_ethtool.c b/drivers/net/qlge/qlge_ethtool.c index 62c4af05780..058fa0a48c6 100644 --- a/drivers/net/qlge/qlge_ethtool.c +++ b/drivers/net/qlge/qlge_ethtool.c @@ -36,6 +36,11 @@ #include "qlge.h" +static const char ql_gstrings_test[][ETH_GSTRING_LEN] = { + "Loopback test (offline)" +}; +#define QLGE_TEST_LEN (sizeof(ql_gstrings_test) / ETH_GSTRING_LEN) + static int ql_update_ring_coalescing(struct ql_adapter *qdev) { int i, status = 0; @@ -251,6 +256,8 @@ static void ql_get_strings(struct net_device *dev, u32 stringset, u8 *buf) static int ql_get_sset_count(struct net_device *dev, int sset) { switch (sset) { + case ETH_SS_TEST: + return QLGE_TEST_LEN; case ETH_SS_STATS: return ARRAY_SIZE(ql_stats_str_arr); default: @@ -429,6 +436,110 @@ static int ql_phys_id(struct net_device *ndev, u32 data) return 0; } +static int ql_start_loopback(struct ql_adapter *qdev) +{ + if (netif_carrier_ok(qdev->ndev)) { + set_bit(QL_LB_LINK_UP, &qdev->flags); + netif_carrier_off(qdev->ndev); + } else + clear_bit(QL_LB_LINK_UP, &qdev->flags); + qdev->link_config |= CFG_LOOPBACK_PCS; + return ql_mb_set_port_cfg(qdev); +} + +static void ql_stop_loopback(struct ql_adapter *qdev) +{ + qdev->link_config &= ~CFG_LOOPBACK_PCS; + ql_mb_set_port_cfg(qdev); + if (test_bit(QL_LB_LINK_UP, &qdev->flags)) { + netif_carrier_on(qdev->ndev); + clear_bit(QL_LB_LINK_UP, &qdev->flags); + } +} + +static void ql_create_lb_frame(struct sk_buff *skb, + unsigned int frame_size) +{ + memset(skb->data, 0xFF, frame_size); + frame_size &= ~1; + memset(&skb->data[frame_size / 2], 0xAA, frame_size / 2 - 1); + memset(&skb->data[frame_size / 2 + 10], 0xBE, 1); + memset(&skb->data[frame_size / 2 + 12], 0xAF, 1); +} + +void ql_check_lb_frame(struct ql_adapter *qdev, + struct sk_buff *skb) +{ + unsigned int frame_size = skb->len; + + if ((*(skb->data + 3) == 0xFF) && + (*(skb->data + frame_size / 2 + 10) == 0xBE) && + (*(skb->data + frame_size / 2 + 12) == 0xAF)) { + atomic_dec(&qdev->lb_count); + return; + } +} + +static int ql_run_loopback_test(struct ql_adapter *qdev) +{ + int i; + netdev_tx_t rc; + struct sk_buff *skb; + unsigned int size = SMALL_BUF_MAP_SIZE; + + for (i = 0; i < 64; i++) { + skb = netdev_alloc_skb(qdev->ndev, size); + if (!skb) + return -ENOMEM; + + skb->queue_mapping = 0; + skb_put(skb, size); + ql_create_lb_frame(skb, size); + rc = ql_lb_send(skb, qdev->ndev); + if (rc != NETDEV_TX_OK) + return -EPIPE; + atomic_inc(&qdev->lb_count); + } + + ql_clean_lb_rx_ring(&qdev->rx_ring[0], 128); + return atomic_read(&qdev->lb_count) ? -EIO : 0; +} + +static int ql_loopback_test(struct ql_adapter *qdev, u64 *data) +{ + *data = ql_start_loopback(qdev); + if (*data) + goto out; + *data = ql_run_loopback_test(qdev); +out: + ql_stop_loopback(qdev); + return *data; +} + +static void ql_self_test(struct net_device *ndev, + struct ethtool_test *eth_test, u64 *data) +{ + struct ql_adapter *qdev = netdev_priv(ndev); + + if (netif_running(ndev)) { + set_bit(QL_SELFTEST, &qdev->flags); + if (eth_test->flags == ETH_TEST_FL_OFFLINE) { + /* Offline tests */ + if (ql_loopback_test(qdev, &data[0])) + eth_test->flags |= ETH_TEST_FL_FAILED; + + } else { + /* Online tests */ + data[0] = 0; + } + clear_bit(QL_SELFTEST, &qdev->flags); + } else { + QPRINTK(qdev, DRV, ERR, + "%s: is down, Loopback test will fail.\n", ndev->name); + eth_test->flags |= ETH_TEST_FL_FAILED; + } +} + static int ql_get_regs_len(struct net_device *ndev) { return sizeof(struct ql_reg_dump); @@ -575,6 +686,7 @@ const struct ethtool_ops qlge_ethtool_ops = { .set_msglevel = ql_set_msglevel, .get_link = ethtool_op_get_link, .phys_id = ql_phys_id, + .self_test = ql_self_test, .get_pauseparam = ql_get_pauseparam, .set_pauseparam = ql_set_pauseparam, .get_rx_csum = ql_get_rx_csum, |