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-rw-r--r--drivers/net/ethernet/intel/ixgbe/ixgbe.h11
-rw-r--r--drivers/net/ethernet/intel/ixgbe/ixgbe_lib.c7
-rw-r--r--drivers/net/ethernet/intel/ixgbe/ixgbe_main.c36
3 files changed, 19 insertions, 35 deletions
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe.h b/drivers/net/ethernet/intel/ixgbe/ixgbe.h
index d268c7b222c7..4a2831c45231 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe.h
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe.h
@@ -278,15 +278,10 @@ enum ixgbe_ring_f_enum {
#define IXGBE_MAX_RSS_INDICES 16
#define IXGBE_MAX_VMDQ_INDICES 64
-#define IXGBE_MAX_FDIR_INDICES 64
-#ifdef IXGBE_FCOE
+#define IXGBE_MAX_FDIR_INDICES 63 /* based on q_vector limit */
#define IXGBE_MAX_FCOE_INDICES 8
-#define MAX_RX_QUEUES (IXGBE_MAX_FDIR_INDICES + IXGBE_MAX_FCOE_INDICES)
-#define MAX_TX_QUEUES (IXGBE_MAX_FDIR_INDICES + IXGBE_MAX_FCOE_INDICES)
-#else
-#define MAX_RX_QUEUES IXGBE_MAX_FDIR_INDICES
-#define MAX_TX_QUEUES IXGBE_MAX_FDIR_INDICES
-#endif /* IXGBE_FCOE */
+#define MAX_RX_QUEUES (IXGBE_MAX_FDIR_INDICES + 1)
+#define MAX_TX_QUEUES (IXGBE_MAX_FDIR_INDICES + 1)
struct ixgbe_ring_feature {
u16 limit; /* upper limit on feature indices */
u16 indices; /* current value of indices */
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_lib.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_lib.c
index 9ffa3309e54d..9fafa38009f9 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_lib.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_lib.c
@@ -386,7 +386,6 @@ static bool ixgbe_set_dcb_sriov_queues(struct ixgbe_adapter *adapter)
fcoe = &adapter->ring_feature[RING_F_FCOE];
/* limit ourselves based on feature limits */
- fcoe_i = min_t(u16, fcoe_i, num_online_cpus());
fcoe_i = min_t(u16, fcoe_i, fcoe->limit);
if (fcoe_i) {
@@ -562,9 +561,6 @@ static bool ixgbe_set_sriov_queues(struct ixgbe_adapter *adapter)
fcoe_i = min_t(u16, fcoe_i, fcoe->limit);
if (vmdq_i > 1 && fcoe_i) {
- /* reserve no more than number of CPUs */
- fcoe_i = min_t(u16, fcoe_i, num_online_cpus());
-
/* alloc queues for FCoE separately */
fcoe->indices = fcoe_i;
fcoe->offset = vmdq_i * rss_i;
@@ -623,8 +619,7 @@ static bool ixgbe_set_rss_queues(struct ixgbe_adapter *adapter)
if (rss_i > 1 && adapter->atr_sample_rate) {
f = &adapter->ring_feature[RING_F_FDIR];
- f->indices = min_t(u16, num_online_cpus(), f->limit);
- rss_i = max_t(u16, rss_i, f->indices);
+ rss_i = f->indices = f->limit;
if (!(adapter->flags & IXGBE_FLAG_FDIR_PERFECT_CAPABLE))
adapter->flags |= IXGBE_FLAG_FDIR_HASH_CAPABLE;
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
index 1d5e093e988a..5fd16670482e 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
@@ -4465,7 +4465,7 @@ static int ixgbe_sw_init(struct ixgbe_adapter *adapter)
{
struct ixgbe_hw *hw = &adapter->hw;
struct pci_dev *pdev = adapter->pdev;
- unsigned int rss;
+ unsigned int rss, fdir;
u32 fwsm;
#ifdef CONFIG_IXGBE_DCB
int j;
@@ -4485,9 +4485,10 @@ static int ixgbe_sw_init(struct ixgbe_adapter *adapter)
adapter->ring_feature[RING_F_RSS].limit = rss;
adapter->flags2 |= IXGBE_FLAG2_RSC_CAPABLE;
adapter->flags2 |= IXGBE_FLAG2_RSC_ENABLED;
- adapter->ring_feature[RING_F_FDIR].limit = IXGBE_MAX_FDIR_INDICES;
adapter->max_q_vectors = MAX_Q_VECTORS_82599;
adapter->atr_sample_rate = 20;
+ fdir = min_t(int, IXGBE_MAX_FDIR_INDICES, num_online_cpus());
+ adapter->ring_feature[RING_F_FDIR].limit = fdir;
adapter->fdir_pballoc = IXGBE_FDIR_PBALLOC_64K;
#ifdef CONFIG_IXGBE_DCA
adapter->flags |= IXGBE_FLAG_DCA_CAPABLE;
@@ -7230,9 +7231,8 @@ static int ixgbe_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
const struct ixgbe_info *ii = ixgbe_info_tbl[ent->driver_data];
static int cards_found;
int i, err, pci_using_dac;
+ unsigned int indices = MAX_TX_QUEUES;
u8 part_str[IXGBE_PBANUM_LENGTH];
- unsigned int indices = num_possible_cpus();
- unsigned int dcb_max = 0;
#ifdef IXGBE_FCOE
u16 device_caps;
#endif
@@ -7281,25 +7281,15 @@ static int ixgbe_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
pci_set_master(pdev);
pci_save_state(pdev);
+ if (ii->mac == ixgbe_mac_82598EB) {
#ifdef CONFIG_IXGBE_DCB
- if (ii->mac == ixgbe_mac_82598EB)
- dcb_max = min_t(unsigned int, indices * MAX_TRAFFIC_CLASS,
- IXGBE_MAX_RSS_INDICES);
- else
- dcb_max = min_t(unsigned int, indices * MAX_TRAFFIC_CLASS,
- IXGBE_MAX_FDIR_INDICES);
+ /* 8 TC w/ 4 queues per TC */
+ indices = 4 * MAX_TRAFFIC_CLASS;
+#else
+ indices = IXGBE_MAX_RSS_INDICES;
#endif
+ }
- if (ii->mac == ixgbe_mac_82598EB)
- indices = min_t(unsigned int, indices, IXGBE_MAX_RSS_INDICES);
- else
- indices = min_t(unsigned int, indices, IXGBE_MAX_FDIR_INDICES);
-
-#ifdef IXGBE_FCOE
- indices += min_t(unsigned int, num_possible_cpus(),
- IXGBE_MAX_FCOE_INDICES);
-#endif
- indices = max_t(unsigned int, dcb_max, indices);
netdev = alloc_etherdev_mq(sizeof(struct ixgbe_adapter), indices);
if (!netdev) {
err = -ENOMEM;
@@ -7454,13 +7444,17 @@ skip_sriov:
#ifdef IXGBE_FCOE
if (adapter->flags & IXGBE_FLAG_FCOE_CAPABLE) {
+ unsigned int fcoe_l;
+
if (hw->mac.ops.get_device_caps) {
hw->mac.ops.get_device_caps(hw, &device_caps);
if (device_caps & IXGBE_DEVICE_CAPS_FCOE_OFFLOADS)
adapter->flags &= ~IXGBE_FLAG_FCOE_CAPABLE;
}
- adapter->ring_feature[RING_F_FCOE].limit = IXGBE_FCRETA_SIZE;
+
+ fcoe_l = min_t(int, IXGBE_FCRETA_SIZE, num_online_cpus());
+ adapter->ring_feature[RING_F_FCOE].limit = fcoe_l;
netdev->features |= NETIF_F_FSO |
NETIF_F_FCOE_CRC;