fcoe-utils/0006-fipvlan-Extract-create_missing_vlan-function-from-lo.patch

111 lines
3.0 KiB
Diff

From 6ce709fd271ace5a549a43f11343638273684916 Mon Sep 17 00:00:00 2001
From: Hannes Reinecke <hare@suse.de>
Date: Tue, 19 Nov 2013 20:26:03 +0000
Subject: [PATCH 06/17] fipvlan: Extract create_missing_vlan function from loop
No functional change.
Signed-off-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Robert Love <robert.w.love@intel.com>
---
fipvlan.c | 74 +++++++++++++++++++++++++++++++++++----------------------------
1 file changed, 41 insertions(+), 33 deletions(-)
diff --git a/fipvlan.c b/fipvlan.c
index 148d823..d91cc1c 100644
--- a/fipvlan.c
+++ b/fipvlan.c
@@ -544,48 +544,56 @@ static int rtnl_listener_handler(struct nlmsghdr *nh, UNUSED void *arg)
return -1;
}
-static void
-create_missing_vlans_list(struct fcf_list_head *list, const char *label)
+static int
+create_missing_vlan(struct fcf *fcf, const char *label)
{
- struct fcf *fcf;
struct iff *real_dev, *vlan;
char vlan_name[IFNAMSIZ];
int rc;
+ real_dev = lookup_iff(fcf->ifindex, NULL);
+ if (!real_dev) {
+ FIP_LOG_ERR(ENODEV,
+ "lost device %d with discovered %s?\n",
+ fcf->ifindex, label);
+ return -ENXIO;
+ }
+ if (!fcf->vlan) {
+ /*
+ * If the vlan notification has VLAN id 0,
+ * skip creating vlan interface, and FCoE is
+ * started on the physical interface itself.
+ */
+ FIP_LOG_DBG("VLAN id is 0 for %s\n", real_dev->ifname);
+ return -EPERM;
+ }
+ vlan = lookup_vlan(fcf->ifindex, fcf->vlan);
+ if (vlan) {
+ FIP_LOG_DBG("VLAN %s.%d already exists as %s\n",
+ real_dev->ifname, fcf->vlan, vlan->ifname);
+ return -EEXIST;
+ }
+ snprintf(vlan_name, IFNAMSIZ, "%s.%d%s",
+ real_dev->ifname, fcf->vlan, config.suffix);
+ rc = vlan_create(fcf->ifindex, fcf->vlan, vlan_name);
+ if (rc < 0)
+ printf("Failed to create VLAN device %s\n\t%s\n",
+ vlan_name, strerror(-rc));
+ else
+ printf("Created VLAN device %s\n", vlan_name);
+ return rc;
+}
+
+static void
+create_missing_vlans_list(struct fcf_list_head *list, const char *label)
+{
+ struct fcf *fcf;
+
if (!config.create)
return;
TAILQ_FOREACH(fcf, list, list_node) {
- real_dev = lookup_iff(fcf->ifindex, NULL);
- if (!real_dev) {
- FIP_LOG_ERR(ENODEV,
- "lost device %d with discovered %s?\n",
- fcf->ifindex, label);
- continue;
- }
- if (!fcf->vlan) {
- /*
- * If the vlan notification has VLAN id 0,
- * skip creating vlan interface, and FCoE is
- * started on the physical interface itself.
- */
- FIP_LOG_DBG("VLAN id is 0 for %s\n", real_dev->ifname);
- continue;
- }
- vlan = lookup_vlan(fcf->ifindex, fcf->vlan);
- if (vlan) {
- FIP_LOG_DBG("VLAN %s.%d already exists as %s\n",
- real_dev->ifname, fcf->vlan, vlan->ifname);
- continue;
- }
- snprintf(vlan_name, IFNAMSIZ, "%s.%d%s",
- real_dev->ifname, fcf->vlan, config.suffix);
- rc = vlan_create(fcf->ifindex, fcf->vlan, vlan_name);
- if (rc < 0)
- printf("Failed to create VLAN device %s\n\t%s\n",
- vlan_name, strerror(-rc));
- else
- printf("Created VLAN device %s\n", vlan_name);
+ create_missing_vlan(fcf, label);
}
printf("\n");
}
--
1.8.1.4