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dcb: workarounds for lldpad/drivers and some bug fixes (rh #799241)

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This commit is contained in:
Dan Williams
2014-03-25 22:47:13 -05:00
parent 706af1aec5 ebc06a0015
commit 66e2cdcc68
2 changed files with 97 additions and 48 deletions
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125
src/nm-dcb.c
View File

@@ -154,61 +154,69 @@ _dcb_setup (const char *iface,
/* Priority Groups */
flags = nm_setting_dcb_get_priority_group_flags (s_dcb);
SET_FLAGS (flags, "pg");
if (flags & NM_SETTING_DCB_FLAG_ENABLE) {
char buf[10];
GString *s;
gboolean success;
guint id;
s = g_string_sized_new (150);
g_string_append_printf (s, "pg e:1 a:%c w:%c",
flags & NM_SETTING_DCB_FLAG_ADVERTISE ? '1' : '0',
flags & NM_SETTING_DCB_FLAG_WILLING ? '1' : '0');
/* Priority Groups */
g_string_append (s, " pgid:");
for (i = 0; i < 8; i++) {
id = nm_setting_dcb_get_priority_group_id (s_dcb, i);
g_assert (id < 8 || id == 15);
buf[i] = (id < 8) ? ('0' + id) : 'f';
g_string_append_c (s, (id < 8) ? ('0' + id) : 'f');
}
buf[i] = 0;
if (!do_helper (iface, DCBTOOL, run_func, user_data, error, "pg pgid:%s", buf))
return FALSE;
/* Priority Group Bandwidth */
if (!do_helper (iface, DCBTOOL, run_func, user_data, error, "pg pgpct:%u,%u,%u,%u,%u,%u,%u,%u",
nm_setting_dcb_get_priority_group_bandwidth (s_dcb, 0),
nm_setting_dcb_get_priority_group_bandwidth (s_dcb, 1),
nm_setting_dcb_get_priority_group_bandwidth (s_dcb, 2),
nm_setting_dcb_get_priority_group_bandwidth (s_dcb, 3),
nm_setting_dcb_get_priority_group_bandwidth (s_dcb, 4),
nm_setting_dcb_get_priority_group_bandwidth (s_dcb, 5),
nm_setting_dcb_get_priority_group_bandwidth (s_dcb, 6),
nm_setting_dcb_get_priority_group_bandwidth (s_dcb, 7)))
return FALSE;
g_string_append_printf (s, " pgpct:%u,%u,%u,%u,%u,%u,%u,%u",
nm_setting_dcb_get_priority_group_bandwidth (s_dcb, 0),
nm_setting_dcb_get_priority_group_bandwidth (s_dcb, 1),
nm_setting_dcb_get_priority_group_bandwidth (s_dcb, 2),
nm_setting_dcb_get_priority_group_bandwidth (s_dcb, 3),
nm_setting_dcb_get_priority_group_bandwidth (s_dcb, 4),
nm_setting_dcb_get_priority_group_bandwidth (s_dcb, 5),
nm_setting_dcb_get_priority_group_bandwidth (s_dcb, 6),
nm_setting_dcb_get_priority_group_bandwidth (s_dcb, 7));
/* Priority Bandwidth */
if (!do_helper (iface, DCBTOOL, run_func, user_data, error, "pg uppct:%u,%u,%u,%u,%u,%u,%u,%u",
nm_setting_dcb_get_priority_bandwidth (s_dcb, 0),
nm_setting_dcb_get_priority_bandwidth (s_dcb, 1),
nm_setting_dcb_get_priority_bandwidth (s_dcb, 2),
nm_setting_dcb_get_priority_bandwidth (s_dcb, 3),
nm_setting_dcb_get_priority_bandwidth (s_dcb, 4),
nm_setting_dcb_get_priority_bandwidth (s_dcb, 5),
nm_setting_dcb_get_priority_bandwidth (s_dcb, 6),
nm_setting_dcb_get_priority_bandwidth (s_dcb, 7)))
return FALSE;
g_string_append_printf (s, " uppct:%u,%u,%u,%u,%u,%u,%u,%u",
nm_setting_dcb_get_priority_bandwidth (s_dcb, 0),
nm_setting_dcb_get_priority_bandwidth (s_dcb, 1),
nm_setting_dcb_get_priority_bandwidth (s_dcb, 2),
nm_setting_dcb_get_priority_bandwidth (s_dcb, 3),
nm_setting_dcb_get_priority_bandwidth (s_dcb, 4),
nm_setting_dcb_get_priority_bandwidth (s_dcb, 5),
nm_setting_dcb_get_priority_bandwidth (s_dcb, 6),
nm_setting_dcb_get_priority_bandwidth (s_dcb, 7));
/* Strict Bandwidth */
g_string_append (s, " strict:");
for (i = 0; i < 8; i++)
buf[i] = nm_setting_dcb_get_priority_strict_bandwidth (s_dcb, i) ? '1' : '0';
buf[i] = 0;
if (!do_helper (iface, DCBTOOL, run_func, user_data, error, "pg strict:%s", buf))
return FALSE;
g_string_append_c (s, nm_setting_dcb_get_priority_strict_bandwidth (s_dcb, i) ? '1' : '0');
/* Priority Traffic Class */
g_string_append (s, " up2tc:");
for (i = 0; i < 8; i++) {
id = nm_setting_dcb_get_priority_traffic_class (s_dcb, i);
g_assert (id < 8);
buf[i] = '0' + id;
g_string_append_c (s, '0' + id);
}
buf[i] = 0;
if (!do_helper (iface, DCBTOOL, run_func, user_data, error, "pg up2tc:%s", buf))
success = do_helper (iface, DCBTOOL, run_func, user_data, error, s->str);
g_string_free (s, TRUE);
if (!success)
return FALSE;
} else {
/* Ignore disable failure since lldpad <= 0.9.46 does not support disabling
* priority groups without specifying an entire PG config.
*/
do_helper (iface, DCBTOOL, run_func, user_data, error, "pg e:0");
}
return TRUE;
@@ -220,8 +228,26 @@ _dcb_cleanup (const char *iface,
gpointer user_data,
GError **error)
{
/* FIXME: do we need to turn off features individually here? */
return do_helper (iface, DCBTOOL, run_func, user_data, error, "dcb off");
const char *cmds[] = {
"dcb off",
"app:fcoe e:0",
"app:iscsi e:0",
"app:fip e:0",
"pfc e:0",
"pg e:0",
NULL
};
const char **iter = cmds;
gboolean success = TRUE;
/* Turn everything off and return first error we get (if any) */
while (iter && *iter) {
if (!do_helper (iface, DCBTOOL, run_func, user_data, success ? error : NULL, *iter))
success = FALSE;
iter++;
}
return success;
}
gboolean
@@ -307,12 +333,21 @@ run_helper (char **argv, guint which, gpointer user_data, GError **error)
&outmsg, &errmsg, &exit_status, error);
/* Log any stderr output */
if (success && WIFEXITED (exit_status) && WEXITSTATUS (exit_status) && (errmsg || outmsg)) {
nm_log_dbg (LOGD_DCB, "'%s' failed: '%s'",
cmdline, (errmsg && strlen (errmsg)) ? errmsg : outmsg);
g_set_error (error, NM_DCB_ERROR, NM_DCB_ERROR_HELPER_FAILED,
"Failed to run '%s'", cmdline);
success = FALSE;
gboolean ignore_error = FALSE;
/* Ignore fcoeadm "success" errors like when FCoE is already set up */
if (errmsg && strstr (errmsg, "Connection already created"))
ignore_error = TRUE;
if (ignore_error == FALSE) {
nm_log_warn (LOGD_DCB, "'%s' failed: '%s'",
cmdline, (errmsg && strlen (errmsg)) ? errmsg : outmsg);
g_set_error (error, NM_DCB_ERROR, NM_DCB_ERROR_HELPER_FAILED,
"Failed to run '%s'", cmdline);
success = FALSE;
}
}
g_free (outmsg);
g_free (errmsg);
g_free (cmdline);
@@ -334,6 +369,14 @@ nm_dcb_setup (const char *iface, NMSettingDcb *s_dcb, GError **error)
gboolean
nm_dcb_cleanup (const char *iface, GError **error)
{
return _dcb_cleanup (iface, run_helper, GUINT_TO_POINTER (DCBTOOL), error);
gboolean success;
success = _dcb_cleanup (iface, run_helper, GUINT_TO_POINTER (DCBTOOL), error);
if (success) {
/* Only report FCoE errors if DCB cleanup was successful */
success = _fcoe_cleanup (iface, run_helper, GUINT_TO_POINTER (FCOEADM), success ? error : NULL);
}
return success;
}

20
src/tests/test-dcb.c
View File

@@ -221,12 +221,12 @@ test_dcb_priority_groups (void)
"dcbtool sc eth0 app:iscsi e:0 a:0 w:0",
"dcbtool sc eth0 app:fip e:0 a:0 w:0",
"dcbtool sc eth0 pfc e:0 a:0 w:0",
"dcbtool sc eth0 pg e:1 a:1 w:1",
"dcbtool sc eth0 pg pgid:765f3210",
"dcbtool sc eth0 pg pgpct:10,40,5,10,5,20,7,3",
"dcbtool sc eth0 pg uppct:100,50,33,25,20,16,14,12",
"dcbtool sc eth0 pg strict:01010101",
"dcbtool sc eth0 pg up2tc:01201201",
"dcbtool sc eth0 pg e:1 a:1 w:1" \
" pgid:765f3210" \
" pgpct:10,40,5,10,5,20,7,3" \
" uppct:100,50,33,25,20,16,14,12" \
" strict:01010101" \
" up2tc:01201201",
NULL },
};
NMSettingDcb *s_dcb;
@@ -268,7 +268,13 @@ static void
test_dcb_cleanup (void)
{
static DcbExpected expected = { 0,
{ "dcbtool sc eth0 dcb off", NULL },
{ "dcbtool sc eth0 dcb off",
"dcbtool sc eth0 app:fcoe e:0",
"dcbtool sc eth0 app:iscsi e:0",
"dcbtool sc eth0 app:fip e:0",
"dcbtool sc eth0 pfc e:0",
"dcbtool sc eth0 pg e:0",
NULL },
};
GError *error = NULL;
gboolean success;