From ff33a6e2ab97f4cde484cdf1a41778af6d6b7cff Mon Sep 17 00:00:00 2001 From: Suresh R Date: Thu, 3 Dec 2009 16:15:52 -0800 Subject: be2net: Add support for ethtool self test This patch adds support for ethtool selftest. From: Suresh R Signed-off-by: Ajit Khaparde Signed-off-by: David S. Miller --- drivers/net/benet/be_ethtool.c | 82 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 82 insertions(+) (limited to 'drivers/net/benet/be_ethtool.c') diff --git a/drivers/net/benet/be_ethtool.c b/drivers/net/benet/be_ethtool.c index 83a2fc703995..298b92cbd689 100644 --- a/drivers/net/benet/be_ethtool.c +++ b/drivers/net/benet/be_ethtool.c @@ -107,6 +107,18 @@ static const struct be_ethtool_stat et_stats[] = { }; #define ETHTOOL_STATS_NUM ARRAY_SIZE(et_stats) +static const char et_self_tests[][ETH_GSTRING_LEN] = { + "MAC Loopback test", + "PHY Loopback test", + "External Loopback test", + "DDR DMA test" +}; + +#define ETHTOOL_TESTS_NUM ARRAY_SIZE(et_self_tests) +#define BE_MAC_LOOPBACK 0x0 +#define BE_PHY_LOOPBACK 0x1 +#define BE_ONE_PORT_EXT_LOOPBACK 0x2 + static void be_get_drvinfo(struct net_device *netdev, struct ethtool_drvinfo *drvinfo) { @@ -278,12 +290,20 @@ be_get_stat_strings(struct net_device *netdev, uint32_t stringset, data += ETH_GSTRING_LEN; } break; + case ETH_SS_TEST: + for (i = 0; i < ETHTOOL_TESTS_NUM; i++) { + memcpy(data, et_self_tests[i], ETH_GSTRING_LEN); + data += ETH_GSTRING_LEN; + } + break; } } static int be_get_sset_count(struct net_device *netdev, int stringset) { switch (stringset) { + case ETH_SS_TEST: + return ETHTOOL_TESTS_NUM; case ETH_SS_STATS: return ETHTOOL_STATS_NUM; default: @@ -441,6 +461,67 @@ be_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol) return 0; } +static int +be_test_ddr_dma(struct be_adapter *adapter) +{ + int ret, i; + struct be_dma_mem ddrdma_cmd; + u64 pattern[2] = {0x5a5a5a5a5a5a5a5a, 0xa5a5a5a5a5a5a5a5}; + + ddrdma_cmd.size = sizeof(struct be_cmd_req_ddrdma_test); + ddrdma_cmd.va = pci_alloc_consistent(adapter->pdev, ddrdma_cmd.size, + &ddrdma_cmd.dma); + if (!ddrdma_cmd.va) { + dev_err(&adapter->pdev->dev, "Memory allocation failure \n"); + return -ENOMEM; + } + + for (i = 0; i < 2; i++) { + ret = be_cmd_ddr_dma_test(adapter, pattern[i], + 4096, &ddrdma_cmd); + if (ret != 0) + goto err; + } + +err: + pci_free_consistent(adapter->pdev, ddrdma_cmd.size, + ddrdma_cmd.va, ddrdma_cmd.dma); + return ret; +} + +static void +be_self_test(struct net_device *netdev, struct ethtool_test *test, u64 *data) +{ + struct be_adapter *adapter = netdev_priv(netdev); + + memset(data, 0, sizeof(u64) * ETHTOOL_TESTS_NUM); + + if (test->flags & ETH_TEST_FL_OFFLINE) { + data[0] = be_cmd_loopback_test(adapter, adapter->port_num, + BE_MAC_LOOPBACK, 1500, + 2, 0xabc); + if (data[0] != 0) + test->flags |= ETH_TEST_FL_FAILED; + + data[1] = be_cmd_loopback_test(adapter, adapter->port_num, + BE_PHY_LOOPBACK, 1500, + 2, 0xabc); + if (data[1] != 0) + test->flags |= ETH_TEST_FL_FAILED; + + data[2] = be_cmd_loopback_test(adapter, adapter->port_num, + BE_ONE_PORT_EXT_LOOPBACK, + 1500, 2, 0xabc); + if (data[2] != 0) + test->flags |= ETH_TEST_FL_FAILED; + + data[3] = be_test_ddr_dma(adapter); + if (data[3] != 0) + test->flags |= ETH_TEST_FL_FAILED; + } + +} + static int be_do_flash(struct net_device *netdev, struct ethtool_flash *efl) { @@ -479,4 +560,5 @@ const struct ethtool_ops be_ethtool_ops = { .get_sset_count = be_get_sset_count, .get_ethtool_stats = be_get_ethtool_stats, .flash_device = be_do_flash, + .self_test = be_self_test, }; -- cgit v1.2.3-59-g8ed1b