i40e: Convert CEE App TLV selector to IEEE selector

Changes the parsing of CEE App TLVs to fill in the App selector in struct
i40e_dcbx_config with the IEEE App selector so the caller doesn't have to
consider whether the App came from a CEE or IEEE DCBX negotiation.

Change-ID: Ia7d9d664cde04d2ebcc9822fd22e4929c6edab3a
Signed-off-by: Greg Bowers <gregory.j.bowers@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>

diff --git a/drivers/net/ethernet/intel/i40e/i40e_dcb.c b/drivers/net/ethernet/intel/i40e/i40e_dcb.c
index 251a841..2691277 100644 (file)
--- a/drivers/net/ethernet/intel/i40e/i40e_dcb.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_dcb.c
@@ -380,7 +380,7 @@ 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;
+       u8 i, up, selector;
 
        typelength = ntohs(tlv->hdr.typelen);
        length = (u16)((typelength & I40E_LLDP_TLV_LEN_MASK) >>
@@ -397,9 +397,17 @@ static void i40e_parse_cee_app_tlv(struct i40e_cee_feat_tlv *tlv,
                                break;
                }
                dcbcfg->app[i].priority = up;
-               /* Get Selector from lower 2 bits */
-               dcbcfg->app[i].selector = (app->upper_oui_sel &
-                                          I40E_CEE_APP_SELECTOR_MASK);
+
+               /* 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)
+                       dcbcfg->app[i].selector = I40E_APP_SEL_ETHTYPE;
+               else if (selector == I40E_CEE_APP_SEL_TCPIP)
+                       dcbcfg->app[i].selector = I40E_APP_SEL_TCPIP;
+               else
+                       /* Keep selector as it is for unknown types */
+                       dcbcfg->app[i].selector = selector;
+
                dcbcfg->app[i].protocolid = ntohs(app->protocol);
                /* Move to next app */
                offset += sizeof(*app);

diff --git a/drivers/net/ethernet/intel/i40e/i40e_type.h b/drivers/net/ethernet/intel/i40e/i40e_type.h
index c8f7a52..4ec3ffa 100644 (file)
--- a/drivers/net/ethernet/intel/i40e/i40e_type.h
+++ b/drivers/net/ethernet/intel/i40e/i40e_type.h
@@ -418,6 +418,8 @@ struct i40e_fc_info {
 #define I40E_APP_PROTOID_FIP           0x8914
 #define I40E_APP_SEL_ETHTYPE           0x1
 #define I40E_APP_SEL_TCPIP             0x2
+#define I40E_CEE_APP_SEL_ETHTYPE       0x0
+#define I40E_CEE_APP_SEL_TCPIP         0x1
 
 /* CEE or IEEE 802.1Qaz ETS Configuration data */
 struct i40e_dcb_ets_config {