AuxXxilium/linux_dsm_epyc7002
1
0
Fork 0
mirror of https://github.com/AuxXxilium/linux_dsm_epyc7002.git synced 2024-12-25 21:35:39 +07:00
Code Issues Actions Packages Projects Releases Wiki Activity

i40e: Fix errors resulted while turning off TSO

Browse Source 
On systems with 128 CPUs, turning off TSO results in errors,

i40e 0000:03:00.0: failed to get tracking for 1 vectors for VSI 400, err=-12
i40e 0000:03:00.0: Couldn't create FDir VSI
i40e 0000:03:00.0: i40e_ptp_init: PTP not supported on eth0
i40e 0000:03:00.0: couldn't add VEB, err I40E_ERR_ADMIN_QUEUE_ERROR aq_err I40E_AQ_RC_ENOENT
i40e 0000:03:00.0: rebuild of switch failed: -1, will try to set up simple PF connection
i40e 0000:03:00.0 eth0: adding 00:10:e0:8a:24:b6 vid=0

Enabling FD_SB without checking availability of MSI-X vector is the
root cause. This change adds necessary check.

Signed-off-by: Tushar Dave <tushar.n.dave@oracle.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
This commit is contained in:
Tushar Dave 2016-05-16 12:40:53 -07:00 committed by Jeff Kirsher
parent 0706195802
commit a70e407f6d
2 changed files with 7 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
drivers/net/ethernet/intel/i40e/i40e.h
View File

@ -283,6 +283,7 @@ struct i40e_pf {
#endif /* I40E_FCOE */
u16 num_lan_qps; /* num lan queues this PF has set up */
u16 num_lan_msix; /* num queue vectors for the base PF vsi */
u16 num_fdsb_msix; /* num queue vectors for sideband Fdir */
u16 num_iwarp_msix; /* num of iwarp vectors for this PF */
int iwarp_base_vector;
int queues_left; /* queues left unclaimed */

8
drivers/net/ethernet/intel/i40e/i40e_main.c
View File

@ -7185,7 +7185,7 @@ static int i40e_set_num_rings_in_vsi(struct i40e_vsi *vsi)
vsi->alloc_queue_pairs = 1;
vsi->num_desc = ALIGN(I40E_FDIR_RING_COUNT,
I40E_REQ_DESCRIPTOR_MULTIPLE);
vsi->num_q_vectors = 1;
vsi->num_q_vectors = pf->num_fdsb_msix;
break;
case I40E_VSI_VMDQ2:
@ -7569,9 +7569,11 @@ static int i40e_init_msix(struct i40e_pf *pf)
/* reserve one vector for sideband flow director */
if (pf->flags & I40E_FLAG_FD_SB_ENABLED) {
if (vectors_left) {
pf->num_fdsb_msix = 1;
v_budget++;
vectors_left--;
} else {
pf->num_fdsb_msix = 0;
pf->flags &= ~I40E_FLAG_FD_SB_ENABLED;
}
}
@ -8590,7 +8592,9 @@ bool i40e_set_ntuple(struct i40e_pf *pf, netdev_features_t features)
/* Enable filters and mark for reset */
if (!(pf->flags & I40E_FLAG_FD_SB_ENABLED))
need_reset = true;
pf->flags |= I40E_FLAG_FD_SB_ENABLED;
/* enable FD_SB only if there is MSI-X vector */
if (pf->num_fdsb_msix > 0)
pf->flags |= I40E_FLAG_FD_SB_ENABLED;
} else {
/* turn off filters, mark for reset and clear SW filter list */
if (pf->flags & I40E_FLAG_FD_SB_ENABLED) {