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i40e: Add allmulti support for the VF 

This patch enables a feature to enable/disable all multicast
for a trusted VF.

Change-Id: I926eba7f8850c8d40f8ad7e08bbe4056bbd3985f
Signed-off-by: Anjali Singhai Jain <anjali.singhai@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:
Anjali Singhai Jain 2016-05-03 15:13:10 -07:00 committed by Jeff Kirsher
parent 06c0e39bbe
commit f42a5c74da
3 changed files with 30 additions and 3 deletions
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3
drivers/net/ethernet/intel/i40evf/i40evf.h
View File

@ -215,6 +215,7 @@ struct i40evf_adapter {
#define I40EVF_FLAG_OUTER_UDP_CSUM_CAPABLE BIT(12)
#define I40EVF_FLAG_ADDR_SET_BY_PF BIT(13)
#define I40EVF_FLAG_PROMISC_ON BIT(15)
#define I40EVF_FLAG_ALLMULTI_ON BIT(16)
/* duplicates for common code */
#define I40E_FLAG_FDIR_ATR_ENABLED 0
#define I40E_FLAG_DCB_ENABLED 0
@ -241,6 +242,8 @@ struct i40evf_adapter {
#define I40EVF_FLAG_AQ_SET_RSS_LUT BIT(14)
#define I40EVF_FLAG_AQ_REQUEST_PROMISC BIT(15)
#define I40EVF_FLAG_AQ_RELEASE_PROMISC BIT(16)
#define I40EVF_FLAG_AQ_REQUEST_ALLMULTI BIT(17)
#define I40EVF_FLAG_AQ_RELEASE_ALLMULTI BIT(18)
/* OS defined structs */
struct net_device *netdev;

15
drivers/net/ethernet/intel/i40evf/i40evf_main.c
View File

@ -934,6 +934,13 @@ bottom_of_search_loop:
adapter->flags & I40EVF_FLAG_PROMISC_ON)
adapter->aq_required |= I40EVF_FLAG_AQ_RELEASE_PROMISC;
if (netdev->flags & IFF_ALLMULTI &&
!(adapter->flags & I40EVF_FLAG_ALLMULTI_ON))
adapter->aq_required |= I40EVF_FLAG_AQ_REQUEST_ALLMULTI;
else if (!(netdev->flags & IFF_ALLMULTI) &&
adapter->flags & I40EVF_FLAG_ALLMULTI_ON)
adapter->aq_required |= I40EVF_FLAG_AQ_RELEASE_ALLMULTI;
clear_bit(__I40EVF_IN_CRITICAL_TASK, &adapter->crit_section);
}
@ -1612,7 +1619,13 @@ static void i40evf_watchdog_task(struct work_struct *work)
goto watchdog_done;
}
if (adapter->aq_required & I40EVF_FLAG_AQ_RELEASE_PROMISC) {
if (adapter->aq_required & I40EVF_FLAG_AQ_REQUEST_ALLMULTI) {
i40evf_set_promiscuous(adapter, I40E_FLAG_VF_MULTICAST_PROMISC);
goto watchdog_done;
}
if ((adapter->aq_required & I40EVF_FLAG_AQ_RELEASE_PROMISC) &&
(adapter->aq_required & I40EVF_FLAG_AQ_RELEASE_ALLMULTI)) {
i40evf_set_promiscuous(adapter, 0);
goto watchdog_done;
}

15
drivers/net/ethernet/intel/i40evf/i40evf_virtchnl.c
View File

@ -641,6 +641,7 @@ void i40evf_del_vlans(struct i40evf_adapter *adapter)
void i40evf_set_promiscuous(struct i40evf_adapter *adapter, int flags)
{
struct i40e_virtchnl_promisc_info vpi;
int promisc_all;
if (adapter->current_op != I40E_VIRTCHNL_OP_UNKNOWN) {
/* bail because we already have a command pending */
@ -649,11 +650,21 @@ void i40evf_set_promiscuous(struct i40evf_adapter *adapter, int flags)
return;
}
if (flags) {
promisc_all = I40E_FLAG_VF_UNICAST_PROMISC |
I40E_FLAG_VF_MULTICAST_PROMISC;
if ((flags & promisc_all) == promisc_all) {
adapter->flags |= I40EVF_FLAG_PROMISC_ON;
adapter->aq_required &= ~I40EVF_FLAG_AQ_REQUEST_PROMISC;
dev_info(&adapter->pdev->dev, "Entering promiscuous mode\n");
} else {
}
if (flags & I40E_FLAG_VF_MULTICAST_PROMISC) {
adapter->flags |= I40EVF_FLAG_ALLMULTI_ON;
adapter->aq_required &= ~I40EVF_FLAG_AQ_REQUEST_ALLMULTI;
dev_info(&adapter->pdev->dev, "Entering multicast promiscuous mode\n");
}
if (!flags) {
adapter->flags &= ~I40EVF_FLAG_PROMISC_ON;
adapter->aq_required &= ~I40EVF_FLAG_AQ_RELEASE_PROMISC;
dev_info(&adapter->pdev->dev, "Leaving promiscuous mode\n");