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i40e: refactor DCB function 

This is a simple refactor suggested by the community
to change a multi-level if statement into a switch.

Change-ID: I831cf3c40426022220aa9b43990022d22dfd50db
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Acked-by: Shannon Nelson <shannon.nelson@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 2015-12-23 12:05:50 -08:00 committed by Jeff Kirsher
parent 07f169c3e9
commit dd54a1ada9
1 changed files with 11 additions and 4 deletions
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15
drivers/net/ethernet/intel/i40e/i40e_dcb.c
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@ -380,17 +380,20 @@ static void i40e_parse_cee_app_tlv(struct i40e_cee_feat_tlv *tlv,
{
u16 length, typelength, offset = 0;
struct i40e_cee_app_prio *app;
u8 i, up, selector;
u8 i;
typelength = ntohs(tlv->hdr.typelen);
length = (u16)((typelength & I40E_LLDP_TLV_LEN_MASK) >>
I40E_LLDP_TLV_LEN_SHIFT);
dcbcfg->numapps = length / sizeof(*app);
if (!dcbcfg->numapps)
return;
for (i = 0; i < dcbcfg->numapps; i++) {
u8 up, selector;
app = (struct i40e_cee_app_prio *)(tlv->tlvinfo + offset);
for (up = 0; up < I40E_MAX_USER_PRIORITY; up++) {
if (app->prio_map & BIT(up))
@ -400,13 +403,17 @@ static void i40e_parse_cee_app_tlv(struct i40e_cee_feat_tlv *tlv,
/* Get Selector from lower 2 bits, and convert to IEEE */
selector = (app->upper_oui_sel & I40E_CEE_APP_SELECTOR_MASK);
if (selector == I40E_CEE_APP_SEL_ETHTYPE)
switch (selector) {
case I40E_CEE_APP_SEL_ETHTYPE:
dcbcfg->app[i].selector = I40E_APP_SEL_ETHTYPE;
else if (selector == I40E_CEE_APP_SEL_TCPIP)
break;
case I40E_CEE_APP_SEL_TCPIP:
dcbcfg->app[i].selector = I40E_APP_SEL_TCPIP;
else
break;
default:
/* Keep selector as it is for unknown types */
dcbcfg->app[i].selector = selector;
}
dcbcfg->app[i].protocolid = ntohs(app->protocol);
/* Move to next app */