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i40e: Fix a bug in ethtool for FD drop packet filter action

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A drop action comes down as a ring_cookie value, so allow it as
a special value that can be used to configure destination control.

Also fix the output to filter read command accordingly.

Change-ID: I9956723cee42f3194885403317dd21ed4a151144
Signed-off-by: Anjali Singhai Jain <anjali.singhai@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
This commit is contained in:
Anjali Singhai Jain 2014-05-22 06:32:23 +00:00 committed by Jeff Kirsher
parent 433c47de13
commit 387ce1a97d
1 changed files with 7 additions and 2 deletions
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9
drivers/net/ethernet/intel/i40e/i40e_ethtool.c
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@ -1259,7 +1259,11 @@ static int i40e_get_ethtool_fdir_entry(struct i40e_pf *pf,
fsp->h_u.tcp_ip4_spec.pdst = rule->src_port;
fsp->h_u.tcp_ip4_spec.ip4src = rule->dst_ip[0];
fsp->h_u.tcp_ip4_spec.ip4dst = rule->src_ip[0];
fsp->ring_cookie = rule->q_index;
if (rule->dest_ctl == I40E_FILTER_PROGRAM_DESC_DEST_DROP_PACKET)
fsp->ring_cookie = RX_CLS_FLOW_DISC;
else
fsp->ring_cookie = rule->q_index;
return 0;
}
@ -1563,7 +1567,8 @@ static int i40e_add_fdir_ethtool(struct i40e_vsi *vsi,
return -EINVAL;
}
if (fsp->ring_cookie >= vsi->num_queue_pairs)
if ((fsp->ring_cookie != RX_CLS_FLOW_DISC) &&
(fsp->ring_cookie >= vsi->num_queue_pairs))
return -EINVAL;
input = kzalloc(sizeof(*input), GFP_KERNEL);