Currently if the MSI-X vector limit is reached the sideband flow
director gets disabled. A bit too early to make that decision, as
vectors may get re-distributed. So move the check further back.
Signed-off-by: Stefan Assmann <sassmann@kpanic.de>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
vectors_left--;
} else {
pf->num_fdsb_msix = 0;
vectors_left--;
} else {
pf->num_fdsb_msix = 0;
- pf->flags &= ~I40E_FLAG_FD_SB_ENABLED;
pf->num_fcoe_qps = 0;
pf->num_fcoe_msix = 0;
#endif
pf->num_fcoe_qps = 0;
pf->num_fcoe_msix = 0;
#endif
- pf->flags &= ~I40E_FLAG_FD_SB_ENABLED;
/* partition out the remaining vectors */
switch (vec) {
/* partition out the remaining vectors */
switch (vec) {
pf->num_vmdq_vsis = min_t(int, (vec / 2),
I40E_DEFAULT_NUM_VMDQ_VSI);
}
pf->num_vmdq_vsis = min_t(int, (vec / 2),
I40E_DEFAULT_NUM_VMDQ_VSI);
}
+ if (pf->flags & I40E_FLAG_FD_SB_ENABLED) {
+ pf->num_fdsb_msix = 1;
+ vec--;
+ }
pf->num_lan_msix = min_t(int,
(vec - (pf->num_iwarp_msix + pf->num_vmdq_vsis)),
pf->num_lan_msix);
pf->num_lan_msix = min_t(int,
(vec - (pf->num_iwarp_msix + pf->num_vmdq_vsis)),
pf->num_lan_msix);
+ if ((pf->flags & I40E_FLAG_FD_SB_ENABLED) &&
+ (pf->num_fdsb_msix == 0)) {
+ dev_info(&pf->pdev->dev, "Sideband Flowdir disabled, not enough MSI-X vectors\n");
+ pf->flags &= ~I40E_FLAG_FD_SB_ENABLED;
+ }
if ((pf->flags & I40E_FLAG_VMDQ_ENABLED) &&
(pf->num_vmdq_msix == 0)) {
dev_info(&pf->pdev->dev, "VMDq disabled, not enough MSI-X vectors\n");
if ((pf->flags & I40E_FLAG_VMDQ_ENABLED) &&
(pf->num_vmdq_msix == 0)) {
dev_info(&pf->pdev->dev, "VMDq disabled, not enough MSI-X vectors\n");