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qed: Support dcbnl IEEE selector field. 

Signed-off-by: Sudarsana Reddy Kalluru <Sudarsana.Kalluru@cavium.com>
Signed-off-by: Yuval Mintz <Yuval.Mintz@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
sudarsana.kalluru@cavium.com 2017-04-20 22:31:19 -07:00 committed by David S. Miller
parent dfbeb85f2f
commit 05a79f925d
2 changed files with 49 additions and 9 deletions
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53
drivers/net/ethernet/qlogic/qed/qed_dcbx.c
View File

@ -2192,15 +2192,46 @@ qed_dcbnl_ieee_peer_getpfc(struct qed_dev *cdev, struct ieee_pfc *pfc)
return qed_dcbnl_get_ieee_pfc(cdev, pfc, true);
}
static int qed_get_sf_ieee_value(u8 selector, u8 *sf_ieee)
{
switch (selector) {
case IEEE_8021QAZ_APP_SEL_ETHERTYPE:
*sf_ieee = QED_DCBX_SF_IEEE_ETHTYPE;
break;
case IEEE_8021QAZ_APP_SEL_STREAM:
*sf_ieee = QED_DCBX_SF_IEEE_TCP_PORT;
break;
case IEEE_8021QAZ_APP_SEL_DGRAM:
*sf_ieee = QED_DCBX_SF_IEEE_UDP_PORT;
break;
case IEEE_8021QAZ_APP_SEL_ANY:
*sf_ieee = QED_DCBX_SF_IEEE_TCP_UDP_PORT;
break;
default:
return -EINVAL;
}
return 0;
}
static int qed_dcbnl_ieee_getapp(struct qed_dev *cdev, struct dcb_app *app)
{
struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
struct qed_dcbx_get *dcbx_info;
struct qed_app_entry *entry;
bool ethtype;
u8 prio = 0;
u8 sf_ieee;
int i;
DP_VERBOSE(hwfn, QED_MSG_DCB, "selector = %d protocol = %d\n",
app->selector, app->protocol);
if (qed_get_sf_ieee_value(app->selector, &sf_ieee)) {
DP_INFO(cdev, "Invalid selector field value %d\n",
app->selector);
return -EINVAL;
}
dcbx_info = qed_dcbnl_get_dcbx(hwfn, QED_DCBX_OPERATIONAL_MIB);
if (!dcbx_info)
return -EINVAL;
@ -2211,11 +2242,9 @@ static int qed_dcbnl_ieee_getapp(struct qed_dev *cdev, struct dcb_app *app)
return -EINVAL;
}
/* ieee defines the selector field value for ethertype to be 1 */
ethtype = !!((app->selector - 1) == DCB_APP_IDTYPE_ETHTYPE);
for (i = 0; i < QED_DCBX_MAX_APP_PROTOCOL; i++) {
entry = &dcbx_info->operational.params.app_entry[i];
if ((entry->ethtype == ethtype) &&
if ((entry->sf_ieee == sf_ieee) &&
(entry->proto_id == app->protocol)) {
prio = entry->prio;
break;
@ -2243,14 +2272,22 @@ static int qed_dcbnl_ieee_setapp(struct qed_dev *cdev, struct dcb_app *app)
struct qed_dcbx_set dcbx_set;
struct qed_app_entry *entry;
struct qed_ptt *ptt;
bool ethtype;
u8 sf_ieee;
int rc, i;
DP_VERBOSE(hwfn, QED_MSG_DCB, "selector = %d protocol = %d pri = %d\n",
app->selector, app->protocol, app->priority);
if (app->priority < 0 || app->priority >= QED_MAX_PFC_PRIORITIES) {
DP_INFO(hwfn, "Invalid priority %d\n", app->priority);
return -EINVAL;
}
if (qed_get_sf_ieee_value(app->selector, &sf_ieee)) {
DP_INFO(cdev, "Invalid selector field value %d\n",
app->selector);
return -EINVAL;
}
dcbx_info = qed_dcbnl_get_dcbx(hwfn, QED_DCBX_OPERATIONAL_MIB);
if (!dcbx_info)
return -EINVAL;
@ -2268,11 +2305,9 @@ static int qed_dcbnl_ieee_setapp(struct qed_dev *cdev, struct dcb_app *app)
if (rc)
return -EINVAL;
/* ieee defines the selector field value for ethertype to be 1 */
ethtype = !!((app->selector - 1) == DCB_APP_IDTYPE_ETHTYPE);
for (i = 0; i < QED_DCBX_MAX_APP_PROTOCOL; i++) {
entry = &dcbx_set.config.params.app_entry[i];
if ((entry->ethtype == ethtype) &&
if ((entry->sf_ieee == sf_ieee) &&
(entry->proto_id == app->protocol))
break;
/* First empty slot */
@ -2288,7 +2323,7 @@ static int qed_dcbnl_ieee_setapp(struct qed_dev *cdev, struct dcb_app *app)
}
dcbx_set.override_flags |= QED_DCBX_OVERRIDE_APP_CFG;
dcbx_set.config.params.app_entry[i].ethtype = ethtype;
dcbx_set.config.params.app_entry[i].sf_ieee = sf_ieee;
dcbx_set.config.params.app_entry[i].proto_id = app->protocol;
dcbx_set.config.params.app_entry[i].prio = BIT(app->priority);

5
drivers/net/ethernet/qlogic/qede/qede_dcbnl.c
View File

@ -281,6 +281,11 @@ static int qede_dcbnl_ieee_setapp(struct net_device *netdev,
struct dcb_app *app)
{
struct qede_dev *edev = netdev_priv(netdev);
int err;
err = dcb_ieee_setapp(netdev, app);
if (err)
return err;
return edev->ops->dcb->ieee_setapp(edev->cdev, app);
}