**/
static void i40e_veb_link_event(struct i40e_veb *veb, bool link_up)
{
- struct i40e_veb *veb_it;
struct i40e_vsi *vsi;
struct i40e_pf *pf;
int i;
return;
pf = veb->pf;
- /* depth first... */
- i40e_pf_for_each_veb(pf, i, veb_it)
- if (veb_it->uplink_seid == veb->seid)
- i40e_veb_link_event(veb_it, link_up);
-
- /* ... now the local VSIs */
+ /* Send link event to contained VSIs */
i40e_pf_for_each_vsi(pf, i, vsi)
if (vsi->uplink_seid == veb->seid)
i40e_vsi_link_event(vsi, link_up);
}
/**
- * i40e_reconstitute_veb - rebuild the VEB and anything connected to it
+ * i40e_reconstitute_veb - rebuild the VEB and VSIs connected to it
* @veb: pointer to the VEB instance
*
- * This is a recursive function that first builds the attached VSIs then
- * recurses in to build the next layer of VEB. We track the connections
- * through our own index numbers because the seid's from the HW could
- * change across the reset.
+ * This is a function that builds the attached VSIs. We track the connections
+ * through our own index numbers because the seid's from the HW could change
+ * across the reset.
**/
static int i40e_reconstitute_veb(struct i40e_veb *veb)
{
struct i40e_vsi *ctl_vsi = NULL;
struct i40e_pf *pf = veb->pf;
- struct i40e_veb *veb_it;
struct i40e_vsi *vsi;
int v, ret;
- if (veb->uplink_seid) {
- /* Look for VSI that owns this VEB, temporarily attached to base VEB */
- i40e_pf_for_each_vsi(pf, v, vsi)
- if (vsi->veb_idx == veb->idx &&
- vsi->flags & I40E_VSI_FLAG_VEB_OWNER) {
- ctl_vsi = vsi;
- break;
- }
+ /* As we do not maintain PV (port virtualizer) switch element then
+ * there can be only one non-floating VEB that have uplink to MAC SEID
+ * and its control VSI is the main one.
+ */
+ if (WARN_ON(veb->uplink_seid && veb->uplink_seid != pf->mac_seid)) {
+ dev_err(&pf->pdev->dev,
+ "Invalid uplink SEID for VEB %d\n", veb->idx);
+ return -ENOENT;
+ }
- if (!ctl_vsi) {
- dev_info(&pf->pdev->dev,
- "missing owner VSI for veb_idx %d\n",
- veb->idx);
- ret = -ENOENT;
- goto end_reconstitute;
+ if (veb->uplink_seid == pf->mac_seid) {
+ /* Check that the LAN VSI has VEB owning flag set */
+ ctl_vsi = pf->vsi[pf->lan_vsi];
+
+ if (WARN_ON(ctl_vsi->veb_idx != veb->idx ||
+ !(ctl_vsi->flags & I40E_VSI_FLAG_VEB_OWNER))) {
+ dev_err(&pf->pdev->dev,
+ "Invalid control VSI for VEB %d\n", veb->idx);
+ return -ENOENT;
}
- if (ctl_vsi != pf->vsi[pf->lan_vsi])
- ctl_vsi->uplink_seid =
- pf->vsi[pf->lan_vsi]->uplink_seid;
+ /* Add the control VSI to switch */
ret = i40e_add_vsi(ctl_vsi);
if (ret) {
- dev_info(&pf->pdev->dev,
- "rebuild of veb_idx %d owner VSI failed: %d\n",
- veb->idx, ret);
- goto end_reconstitute;
+ dev_err(&pf->pdev->dev,
+ "Rebuild of owner VSI for VEB %d failed: %d\n",
+ veb->idx, ret);
+ return ret;
}
+
i40e_vsi_reset_stats(ctl_vsi);
}
/* create the VEB in the switch and move the VSI onto the VEB */
ret = i40e_add_veb(veb, ctl_vsi);
if (ret)
- goto end_reconstitute;
+ return ret;
if (veb->uplink_seid) {
if (test_bit(I40E_FLAG_VEB_MODE_ENA, pf->flags))
dev_info(&pf->pdev->dev,
"rebuild of vsi_idx %d failed: %d\n",
v, ret);
- goto end_reconstitute;
+ return ret;
}
i40e_vsi_reset_stats(vsi);
}
}
- /* create any VEBs attached to this VEB - RECURSION */
- i40e_pf_for_each_veb(pf, v, veb_it) {
- if (veb_it->veb_idx == veb->idx) {
- veb_it->uplink_seid = veb->seid;
- ret = i40e_reconstitute_veb(veb_it);
- if (ret)
- break;
- }
- }
-
-end_reconstitute:
return ret;
}
*/
if (vsi->uplink_seid != pf->mac_seid) {
dev_dbg(&pf->pdev->dev, "attempting to rebuild switch\n");
- /* find the one VEB connected to the MAC, and find orphans */
+
+ /* Rebuild VEBs */
i40e_pf_for_each_veb(pf, v, veb) {
- if (veb->uplink_seid == pf->mac_seid ||
- veb->uplink_seid == 0) {
- ret = i40e_reconstitute_veb(veb);
- if (!ret)
- continue;
-
- /* If Main VEB failed, we're in deep doodoo,
- * so give up rebuilding the switch and set up
- * for minimal rebuild of PF VSI.
- * If orphan failed, we'll report the error
- * but try to keep going.
- */
- if (veb->uplink_seid == pf->mac_seid) {
- dev_info(&pf->pdev->dev,
- "rebuild of switch failed: %d, will try to set up simple PF connection\n",
- ret);
- vsi->uplink_seid = pf->mac_seid;
- break;
- } else if (veb->uplink_seid == 0) {
- dev_info(&pf->pdev->dev,
- "rebuild of orphan VEB failed: %d\n",
- ret);
- }
+ ret = i40e_reconstitute_veb(veb);
+ if (!ret)
+ continue;
+
+ /* If Main VEB failed, we're in deep doodoo,
+ * so give up rebuilding the switch and set up
+ * for minimal rebuild of PF VSI.
+ * If orphan failed, we'll report the error
+ * but try to keep going.
+ */
+ if (veb->uplink_seid == pf->mac_seid) {
+ dev_info(&pf->pdev->dev,
+ "rebuild of switch failed: %d, will try to set up simple PF connection\n",
+ ret);
+ vsi->uplink_seid = pf->mac_seid;
+ break;
+ } else if (veb->uplink_seid == 0) {
+ dev_info(&pf->pdev->dev,
+ "rebuild of orphan VEB failed: %d\n",
+ ret);
}
}
}
**/
int i40e_vsi_release(struct i40e_vsi *vsi)
{
- struct i40e_veb *veb, *veb_it;
struct i40e_mac_filter *f;
struct hlist_node *h;
+ struct i40e_veb *veb;
struct i40e_pf *pf;
u16 uplink_seid;
int i, n, bkt;
/* If this was the last thing on the VEB, except for the
* controlling VSI, remove the VEB, which puts the controlling
- * VSI onto the next level down in the switch.
+ * VSI onto the uplink port.
*
* Well, okay, there's one more exception here: don't remove
- * the orphan VEBs yet. We'll wait for an explicit remove request
+ * the floating VEBs yet. We'll wait for an explicit remove request
* from up the network stack.
*/
- n = 0;
- i40e_pf_for_each_vsi(pf, i, vsi)
- if (vsi->uplink_seid == uplink_seid &&
- (vsi->flags & I40E_VSI_FLAG_VEB_OWNER) == 0)
- n++; /* count the VSIs */
+ veb = i40e_pf_get_veb_by_seid(pf, uplink_seid);
+ if (veb && veb->uplink_seid) {
+ n = 0;
- veb = NULL;
- i40e_pf_for_each_veb(pf, i, veb_it) {
- if (veb_it->uplink_seid == uplink_seid)
- n++; /* count the VEBs */
- if (veb_it->seid == uplink_seid)
- veb = veb_it;
+ /* Count non-controlling VSIs present on the VEB */
+ i40e_pf_for_each_vsi(pf, i, vsi)
+ if (vsi->uplink_seid == uplink_seid &&
+ (vsi->flags & I40E_VSI_FLAG_VEB_OWNER) == 0)
+ n++;
+
+ /* If there is no VSI except the control one then release
+ * the VEB and put the control VSI onto VEB uplink.
+ */
+ if (!n)
+ i40e_veb_release(veb);
}
- if (n == 0 && veb && veb->uplink_seid != 0)
- i40e_veb_release(veb);
return 0;
}
return;
}
- /* For regular VEB move the owner VSI to uplink VEB */
+ /* For regular VEB move the owner VSI to uplink port */
if (veb->uplink_seid) {
vsi->flags &= ~I40E_VSI_FLAG_VEB_OWNER;
vsi->uplink_seid = veb->uplink_seid;
- if (veb->uplink_seid == pf->mac_seid)
- vsi->veb_idx = I40E_NO_VEB;
- else
- vsi->veb_idx = veb->veb_idx;
+ vsi->veb_idx = I40E_NO_VEB;
}
i40e_aq_delete_element(&pf->hw, veb->seid, NULL);
u16 uplink_seid, u16 vsi_seid,
u8 enabled_tc)
{
- struct i40e_veb *veb, *uplink_veb = NULL;
struct i40e_vsi *vsi = NULL;
+ struct i40e_veb *veb;
int veb_idx;
int ret;
return NULL;
}
}
- if (uplink_seid && uplink_seid != pf->mac_seid) {
- uplink_veb = i40e_pf_get_veb_by_seid(pf, uplink_seid);
- if (!uplink_veb) {
- dev_info(&pf->pdev->dev,
- "uplink seid %d not found\n", uplink_seid);
- return NULL;
- }
- }
/* get veb sw struct */
veb_idx = i40e_veb_mem_alloc(pf);
veb = pf->veb[veb_idx];
veb->flags = flags;
veb->uplink_seid = uplink_seid;
- veb->veb_idx = (uplink_veb ? uplink_veb->idx : I40E_NO_VEB);
veb->enabled_tc = (enabled_tc ? enabled_tc : 0x1);
/* create the VEB in the switch */
pf->veb[pf->lan_veb]->seid = seid;
pf->veb[pf->lan_veb]->uplink_seid = pf->mac_seid;
pf->veb[pf->lan_veb]->pf = pf;
- pf->veb[pf->lan_veb]->veb_idx = I40E_NO_VEB;
break;
case I40E_SWITCH_ELEMENT_TYPE_VSI:
if (num_reported != 1)
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