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#!/usr/bin/env python

##############################################################################
# Copyright (c) 2015 Ericsson AB and others.
#
# All rights reserved. This program and the accompanying materials
# are made available under the terms of the Apache License, Version 2.0
# which accompanies this distribution, and is available at
# http://www.apache.org/licenses/LICENSE-2.0
##############################################################################

# Unittest for yardstick.benchmark.scenarios.networking.ping.Ping

from __future__ import absolute_import
import mock
import unittest

from yardstick.benchmark.scenarios.networking import ping6


class PingTestCase(unittest.TestCase):

    def setUp(self):
        self.ctx = {
            'nodes': {
                'host1': {
                    'ip': '172.16.0.137',
                    'user': 'cirros',
                    'role': "Controller",
                    'key_filename': "mykey.key",
                    'password': "root"
                },
                'host2': {
                    "ip": "172.16.0.138",
                    "key_filename": "/root/.ssh/id_rsa",
                    "role": "Compute",
                    "name": "node3.IPV6",
                    "user": "root"
                },
            }
        }

    def test_get_controller_node(self):
        args = {
            'options': {'host': 'host1', 'packetsize': 200, 'ping_count': 5},
            'sla': {'max_rtt': 50}
        }
        p = ping6.Ping6(args, self.ctx)
        controller_node = p._get_controller_node(['host1', 'host2'])
        self.assertEqual(controller_node, 'host1')

    @mock.patch('yardstick.benchmark.scenarios.networking.ping6.ssh')
    def test_ping_successful_setup(self, mock_ssh):
        args = {
            'options': {'host': 'host1', 'packetsize': 200, 'ping_count': 5},
            'sla': {'max_rtt': 50}
        }
        p = ping6.Ping6(args, self.ctx)
        mock_ssh.SSH.from_node().execute.return_value = (0, '0', '')
        p.setup()

        self.assertEqual(p.setup_done, True)

    @mock.patch('yardstick.benchmark.scenarios.networking.ping6.ssh')
    def test_ping_successful_no_sla(self, mock_ssh):
        args = {
            'options': {'host': 'host1', 'packetsize': 200, 'ping_count': 5},

        }
        result = {}

        p = ping6.Ping6(args, self.ctx)
        p.client = mock_ssh.SSH.from_node()
        mock_ssh.SSH.from_node().execute.side_effect = [(0, 'host1', ''), (0, 100, '')]
        p.run(result)
        self.assertEqual(result, {'rtt': 100.0})

    @mock.patch('yardstick.benchmark.scenarios.networking.ping6.ssh')
    def test_ping_successful_sla(self, mock_ssh):
        args = {
            'options': {'host': 'host1', 'packetsize': 200, 'ping_count': 5},
            'sla': {'max_rtt': 150}
        }
        result = {}

        p = ping6.Ping6(args, self.ctx)
        p.client = mock_ssh.SSH.from_node()
        mock_ssh.SSH.from_node().execute.side_effect = [(0, 'host1', ''), (0, 100, '')]
        p.run(result)
        self.assertEqual(result, {'rtt': 100.0})

    @mock.patch('yardstick.benchmark.scenarios.networking.ping6.ssh')
    def test_ping_unsuccessful_sla(self, mock_ssh):
        args = {
            'options': {'host': 'host1', 'packetsize': 200, 'ping_count': 5},
            'sla': {'max_rtt': 50}
        }
        result = {}

        p = ping6.Ping6(args, self.ctx)
        p.client = mock_ssh.SSH.from_node()
        mock_ssh.SSH.from_node().execute.side_effect = [(0, 'host1', ''), (0, 100, '')]
        self.assertRaises(AssertionError, p.run, result)

    @mock.patch('yardstick.benchmark.scenarios.networking.ping6.ssh')
    def test_ping_unsuccessful_script_error(self, mock_ssh):

        args = {
            'options': {'host': 'host1', 'packetsize': 200, 'ping_count': 5},
            'sla': {'max_rtt': 150}
        }
        result = {}

        p = ping6.Ping6(args, self.ctx)
        p.client = mock_ssh.SSH.from_node()
        mock_ssh.SSH.from_node().execute.side_effect = [
            (0, 'host1', ''), (1, '', 'FOOBAR')]
        self.assertRaises(RuntimeError, p.run, result)


def main():
    unittest.main()

if __name__ == '__main__':
    main()
ss="kt">int _get_table_div(const struct clk_div_table *table, unsigned int val) { const struct clk_div_table *clkt; for (clkt = table; clkt->div; clkt++) if (clkt->val == val) return clkt->div; return 0; } static unsigned int _get_div(struct clk_divider *divider, unsigned int val) { if (divider->flags & CLK_DIVIDER_ONE_BASED) return val; if (divider->flags & CLK_DIVIDER_POWER_OF_TWO) return 1 << val; if (divider->table) return _get_table_div(divider->table, val); return val + 1; } static unsigned int _get_table_val(const struct clk_div_table *table, unsigned int div) { const struct clk_div_table *clkt; for (clkt = table; clkt->div; clkt++) if (clkt->div == div) return clkt->val; return 0; } static unsigned int _get_val(struct clk_divider *divider, u8 div) { if (divider->flags & CLK_DIVIDER_ONE_BASED) return div; if (divider->flags & CLK_DIVIDER_POWER_OF_TWO) return __ffs(div); if (divider->table) return _get_table_val(divider->table, div); return div - 1; } static unsigned long ti_clk_divider_recalc_rate(struct clk_hw *hw, unsigned long parent_rate) { struct clk_divider *divider = to_clk_divider(hw); unsigned int div, val; val = ti_clk_ll_ops->clk_readl(divider->reg) >> divider->shift; val &= div_mask(divider); div = _get_div(divider, val); if (!div) { WARN(!(divider->flags & CLK_DIVIDER_ALLOW_ZERO), "%s: Zero divisor and CLK_DIVIDER_ALLOW_ZERO not set\n", clk_hw_get_name(hw)); return parent_rate; } return DIV_ROUND_UP(parent_rate, div); } /* * The reverse of DIV_ROUND_UP: The maximum number which * divided by m is r */ #define MULT_ROUND_UP(r, m) ((r) * (m) + (m) - 1) static bool _is_valid_table_div(const struct clk_div_table *table, unsigned int div) { const struct clk_div_table *clkt; for (clkt = table; clkt->div; clkt++) if (clkt->div == div) return true; return false; } static bool _is_valid_div(struct clk_divider *divider, unsigned int div) { if (divider->flags & CLK_DIVIDER_POWER_OF_TWO) return is_power_of_2(div); if (divider->table) return _is_valid_table_div(divider->table, div); return true; } static int ti_clk_divider_bestdiv(struct clk_hw *hw, unsigned long rate, unsigned long *best_parent_rate) { struct clk_divider *divider = to_clk_divider(hw); int i, bestdiv = 0; unsigned long parent_rate, best = 0, now, maxdiv; unsigned long parent_rate_saved = *best_parent_rate; if (!rate) rate = 1; maxdiv = _get_maxdiv(divider); if (!(clk_hw_get_flags(hw) & CLK_SET_RATE_PARENT)) { parent_rate = *best_parent_rate; bestdiv = DIV_ROUND_UP(parent_rate, rate); bestdiv = bestdiv == 0 ? 1 : bestdiv; bestdiv = bestdiv > maxdiv ? maxdiv : bestdiv; return bestdiv; } /* * The maximum divider we can use without overflowing * unsigned long in rate * i below */ maxdiv = min(ULONG_MAX / rate, maxdiv); for (i = 1; i <= maxdiv; i++) { if (!_is_valid_div(divider, i)) continue; if (rate * i == parent_rate_saved) { /* * It's the most ideal case if the requested rate can be * divided from parent clock without needing to change * parent rate, so return the divider immediately. */ *best_parent_rate = parent_rate_saved; return i; } parent_rate = clk_hw_round_rate(clk_hw_get_parent(hw), MULT_ROUND_UP(rate, i)); now = DIV_ROUND_UP(parent_rate, i); if (now <= rate && now > best) { bestdiv = i; best = now; *best_parent_rate = parent_rate; } } if (!bestdiv) { bestdiv = _get_maxdiv(divider); *best_parent_rate = clk_hw_round_rate(clk_hw_get_parent(hw), 1); } return bestdiv; } static long ti_clk_divider_round_rate(struct clk_hw *hw, unsigned long rate, unsigned long *prate) { int div; div = ti_clk_divider_bestdiv(hw, rate, prate); return DIV_ROUND_UP(*prate, div); } static int ti_clk_divider_set_rate(struct clk_hw *hw, unsigned long rate, unsigned long parent_rate) { struct clk_divider *divider; unsigned int div, value; u32 val; if (!hw || !rate) return -EINVAL; divider = to_clk_divider(hw); div = DIV_ROUND_UP(parent_rate, rate); value = _get_val(divider, div); if (value > div_mask(divider)) value = div_mask(divider); if (divider->flags & CLK_DIVIDER_HIWORD_MASK) { val = div_mask(divider) << (divider->shift + 16); } else { val = ti_clk_ll_ops->clk_readl(divider->reg); val &= ~(div_mask(divider) << divider->shift); } val |= value << divider->shift; ti_clk_ll_ops->clk_writel(val, divider->reg); return 0; } const struct clk_ops ti_clk_divider_ops = { .recalc_rate = ti_clk_divider_recalc_rate, .round_rate = ti_clk_divider_round_rate, .set_rate = ti_clk_divider_set_rate, }; static struct clk *_register_divider(struct device *dev, const char *name, const char *parent_name, unsigned long flags, void __iomem *reg, u8 shift, u8 width, u8 clk_divider_flags, const struct clk_div_table *table) { struct clk_divider *div; struct clk *clk; struct clk_init_data init; if (clk_divider_flags & CLK_DIVIDER_HIWORD_MASK) { if (width + shift > 16) { pr_warn("divider value exceeds LOWORD field\n"); return ERR_PTR(-EINVAL); } } /* allocate the divider */ div = kzalloc(sizeof(*div), GFP_KERNEL); if (!div) { pr_err("%s: could not allocate divider clk\n", __func__); return ERR_PTR(-ENOMEM); } init.name = name; init.ops = &ti_clk_divider_ops; init.flags = flags | CLK_IS_BASIC; init.parent_names = (parent_name ? &parent_name : NULL); init.num_parents = (parent_name ? 1 : 0); /* struct clk_divider assignments */ div->reg = reg; div->shift = shift; div->width = width; div->flags = clk_divider_flags; div->hw.init = &init; div->table = table; /* register the clock */ clk = clk_register(dev, &div->hw); if (IS_ERR(clk)) kfree(div); return clk; } static struct clk_div_table * _get_div_table_from_setup(struct ti_clk_divider *setup, u8 *width) { int valid_div = 0; struct clk_div_table *table; int i; int div; u32 val; u8 flags; if (!setup->num_dividers) { /* Clk divider table not provided, determine min/max divs */ flags = setup->flags; if (flags & CLKF_INDEX_STARTS_AT_ONE) val = 1; else val = 0; div = 1; while (div < setup->max_div) { if (flags & CLKF_INDEX_POWER_OF_TWO) div <<= 1; else div++; val++; } *width = fls(val); return NULL; } for (i = 0; i < setup->num_dividers; i++) if (setup->dividers[i]) valid_div++; table = kzalloc(sizeof(*table) * (valid_div + 1), GFP_KERNEL); if (!table) return ERR_PTR(-ENOMEM); valid_div = 0; *width = 0; for (i = 0; i < setup->num_dividers; i++) if (setup->dividers[i]) { table[valid_div].div = setup->dividers[i]; table[valid_div].val = i; valid_div++; *width = i; } *width = fls(*width); return table; } struct clk_hw *ti_clk_build_component_div(struct ti_clk_divider *setup) { struct clk_divider *div; struct clk_omap_reg *reg; if (!setup) return NULL; div = kzalloc(sizeof(*div), GFP_KERNEL); if (!div) return ERR_PTR(-ENOMEM); reg = (struct clk_omap_reg *)&div->reg; reg->index = setup->module; reg->offset = setup->reg; if (setup->flags & CLKF_INDEX_STARTS_AT_ONE) div->flags |= CLK_DIVIDER_ONE_BASED; if (setup->flags & CLKF_INDEX_POWER_OF_TWO) div->flags |= CLK_DIVIDER_POWER_OF_TWO; div->table = _get_div_table_from_setup(setup, &div->width); div->shift = setup->bit_shift; return &div->hw; } struct clk *ti_clk_register_divider(struct ti_clk *setup) { struct ti_clk_divider *div; struct clk_omap_reg *reg_setup; u32 reg; u8 width; u32 flags = 0; u8 div_flags = 0; struct clk_div_table *table; struct clk *clk; div = setup->data; reg_setup = (struct clk_omap_reg *)&reg; reg_setup->index = div->module; reg_setup->offset = div->reg; if (div->flags & CLKF_INDEX_STARTS_AT_ONE) div_flags |= CLK_DIVIDER_ONE_BASED; if (div->flags & CLKF_INDEX_POWER_OF_TWO) div_flags |= CLK_DIVIDER_POWER_OF_TWO; if (div->flags & CLKF_SET_RATE_PARENT) flags |= CLK_SET_RATE_PARENT; table = _get_div_table_from_setup(div, &width); if (IS_ERR(table)) return (struct clk *)table; clk = _register_divider(NULL, setup->name, div->parent, flags, (void __iomem *)reg, div->bit_shift, width, div_flags, table); if (IS_ERR(clk)) kfree(table); return clk; } static struct clk_div_table * __init ti_clk_get_div_table(struct device_node *node) { struct clk_div_table *table; const __be32 *divspec; u32 val; u32 num_div; u32 valid_div; int i; divspec = of_get_property(node, "ti,dividers", &num_div); if (!divspec) return NULL; num_div /= 4; valid_div = 0; /* Determine required size for divider table */ for (i = 0; i < num_div; i++) { of_property_read_u32_index(node, "ti,dividers", i, &val); if (val) valid_div++; } if (!valid_div) { pr_err("no valid dividers for %s table\n", node->name); return ERR_PTR(-EINVAL); } table = kzalloc(sizeof(*table) * (valid_div + 1), GFP_KERNEL); if (!table) return ERR_PTR(-ENOMEM); valid_div = 0; for (i = 0; i < num_div; i++) { of_property_read_u32_index(node, "ti,dividers", i, &val); if (val) { table[valid_div].div = val; table[valid_div].val = i; valid_div++; } } return table; } static int _get_divider_width(struct device_node *node, const struct clk_div_table *table, u8 flags) { u32 min_div; u32 max_div; u32 val = 0; u32 div; if (!table) { /* Clk divider table not provided, determine min/max divs */ if (of_property_read_u32(node, "ti,min-div", &min_div)) min_div = 1; if (of_property_read_u32(node, "ti,max-div", &max_div)) { pr_err("no max-div for %s!\n", node->name); return -EINVAL; } /* Determine bit width for the field */ if (flags & CLK_DIVIDER_ONE_BASED) val = 1; div = min_div; while (div < max_div) { if (flags & CLK_DIVIDER_POWER_OF_TWO) div <<= 1; else div++; val++; } } else { div = 0; while (table[div].div) { val = table[div].val; div++; } } return fls(val); } static int __init ti_clk_divider_populate(struct device_node *node, void __iomem **reg, const struct clk_div_table **table, u32 *flags, u8 *div_flags, u8 *width, u8 *shift) { u32 val; *reg = ti_clk_get_reg_addr(node, 0); if (IS_ERR(*reg)) return PTR_ERR(*reg); if (!of_property_read_u32(node, "ti,bit-shift", &val)) *shift = val; else *shift = 0; *flags = 0; *div_flags = 0; if (of_property_read_bool(node, "ti,index-starts-at-one")) *div_flags |= CLK_DIVIDER_ONE_BASED; if (of_property_read_bool(node, "ti,index-power-of-two")) *div_flags |= CLK_DIVIDER_POWER_OF_TWO; if (of_property_read_bool(node, "ti,set-rate-parent")) *flags |= CLK_SET_RATE_PARENT; *table = ti_clk_get_div_table(node); if (IS_ERR(*table)) return PTR_ERR(*table); *width = _get_divider_width(node, *table, *div_flags); return 0; } /** * of_ti_divider_clk_setup - Setup function for simple div rate clock * @node: device node for this clock * * Sets up a basic divider clock. */ static void __init of_ti_divider_clk_setup(struct device_node *node) { struct clk *clk; const char *parent_name; void __iomem *reg; u8 clk_divider_flags = 0; u8 width = 0; u8 shift = 0; const struct clk_div_table *table = NULL; u32 flags = 0; parent_name = of_clk_get_parent_name(node, 0); if (ti_clk_divider_populate(node, &reg, &table, &flags, &clk_divider_flags, &width, &shift)) goto cleanup; clk = _register_divider(NULL, node->name, parent_name, flags, reg, shift, width, clk_divider_flags, table); if (!IS_ERR(clk)) { of_clk_add_provider(node, of_clk_src_simple_get, clk); of_ti_clk_autoidle_setup(node); return; } cleanup: kfree(table); } CLK_OF_DECLARE(divider_clk, "ti,divider-clock", of_ti_divider_clk_setup); static void __init of_ti_composite_divider_clk_setup(struct device_node *node) { struct clk_divider *div; u32 val; div = kzalloc(sizeof(*div), GFP_KERNEL); if (!div) return; if (ti_clk_divider_populate(node, &div->reg, &div->table, &val, &div->flags, &div->width, &div->shift) < 0) goto cleanup; if (!ti_clk_add_component(node, &div->hw, CLK_COMPONENT_TYPE_DIVIDER)) return; cleanup: kfree(div->table); kfree(div); } CLK_OF_DECLARE(ti_composite_divider_clk, "ti,composite-divider-clock", of_ti_composite_divider_clk_setup);