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virtchnl: move some code to core driver 

Before moving this function over to virtchnl.h, move
some driver specific checks that had snuck into a fairly
generic function, back into the caller of the function.

Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
This commit is contained in:
Jesse Brandeburg 2017-05-11 11:23:12 -07:00 committed by Jeff Kirsher
parent 310a2ad92e
commit 260e93820a
1 changed files with 18 additions and 12 deletions
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30
drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c
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@ -2549,10 +2549,6 @@ static int i40e_vc_validate_vf_msg(struct i40e_vf *vf, u32 v_opcode,
bool err_msg_format = false;
int valid_len = 0;
/* Check if VF is disabled. */
if (test_bit(I40E_VF_STATE_DISABLED, &vf->vf_states))
return I40E_ERR_PARAM;
/* Validate message length. */
switch (v_opcode) {
case VIRTCHNL_OP_VERSION:
@ -2657,10 +2653,6 @@ static int i40e_vc_validate_vf_msg(struct i40e_vf *vf, u32 v_opcode,
if (msglen >= valid_len) {
struct virtchnl_rss_key *vrk =
(struct virtchnl_rss_key *)msg;
if (vrk->key_len != I40E_HKEY_ARRAY_SIZE) {
err_msg_format = true;
break;
}
valid_len += vrk->key_len - 1;
}
break;
@ -2669,10 +2661,6 @@ static int i40e_vc_validate_vf_msg(struct i40e_vf *vf, u32 v_opcode,
if (msglen >= valid_len) {
struct virtchnl_rss_lut *vrl =
(struct virtchnl_rss_lut *)msg;
if (vrl->lut_entries != I40E_VF_HLUT_ARRAY_SIZE) {
err_msg_format = true;
break;
}
valid_len += vrl->lut_entries - 1;
}
break;
@ -2719,9 +2707,27 @@ int i40e_vc_process_vf_msg(struct i40e_pf *pf, s16 vf_id, u32 v_opcode,
if (local_vf_id >= pf->num_alloc_vfs)
return -EINVAL;
vf = &(pf->vf[local_vf_id]);
/* Check if VF is disabled. */
if (test_bit(I40E_VF_STATE_DISABLED, &vf->vf_states))
return I40E_ERR_PARAM;
/* perform basic checks on the msg */
ret = i40e_vc_validate_vf_msg(vf, v_opcode, v_retval, msg, msglen);
/* perform additional checks specific to this driver */
if (v_opcode == VIRTCHNL_OP_CONFIG_RSS_KEY) {
struct virtchnl_rss_key *vrk = (struct virtchnl_rss_key *)msg;
if (vrk->key_len != I40E_HKEY_ARRAY_SIZE)
ret = -EINVAL;
} else if (v_opcode == VIRTCHNL_OP_CONFIG_RSS_LUT) {
struct virtchnl_rss_lut *vrl = (struct virtchnl_rss_lut *)msg;
if (vrl->lut_entries != I40E_VF_HLUT_ARRAY_SIZE)
ret = -EINVAL;
}
if (ret) {
dev_err(&pf->pdev->dev, "Invalid message from VF %d, opcode %d, len %d\n",
local_vf_id, v_opcode, msglen);