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i40e: Fix the Tx ring qset handle when DCB reconfigures

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When DCB is reconfigured to single TC the driver did not reset the
Tx ring Qset handle to the correct mapping; which caused Tx queue
disable timeouts.

Change-ID: I4da5915ec92a83c281b478d653fae6ef1b72edfe
Signed-off-by: Neerav Parikh <neerav.parikh@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
This commit is contained in:
Parikh, Neerav 2015-02-21 06:43:37 +00:00 • committed by Jeff Kirsher
parent 7f9ff47683
commit cd238a3ecf
1 changed files with 9 additions and 2 deletions
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11
drivers/net/ethernet/intel/i40e/i40e_main.c
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@ -2689,8 +2689,15 @@ static void i40e_vsi_config_dcb_rings(struct i40e_vsi *vsi)
u16 qoffset, qcount; u16 qoffset, qcount;
int i, n; int i, n;
if (!(vsi->back->flags & I40E_FLAG_DCB_ENABLED)) if (!(vsi->back->flags & I40E_FLAG_DCB_ENABLED)) {
return; /* Reset the TC information */
for (i = 0; i < vsi->num_queue_pairs; i++) {
rx_ring = vsi->rx_rings[i];
tx_ring = vsi->tx_rings[i];
rx_ring->dcb_tc = 0;
tx_ring->dcb_tc = 0;
}
}
for (n = 0; n < I40E_MAX_TRAFFIC_CLASS; n++) { for (n = 0; n < I40E_MAX_TRAFFIC_CLASS; n++) {
if (!(vsi->tc_config.enabled_tc & (1 << n))) if (!(vsi->tc_config.enabled_tc & (1 << n)))