RING_F_ARRAY_SIZE /* must be last in enum set */
};
-#define IXGBE_MAX_RSS_INDICES 16
-#define IXGBE_MAX_VMDQ_INDICES 64
-#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 + 1)
-#define MAX_TX_QUEUES (IXGBE_MAX_FDIR_INDICES + 1)
-#define IXGBE_MAX_L2A_QUEUES 4
-#define IXGBE_BAD_L2A_QUEUE 3
-#define IXGBE_MAX_MACVLANS 31
-#define IXGBE_MAX_DCBMACVLANS 8
+#define IXGBE_MAX_RSS_INDICES 16
+#define IXGBE_MAX_RSS_INDICES_X550 64
+#define IXGBE_MAX_VMDQ_INDICES 64
+#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 + 1)
+#define MAX_TX_QUEUES (IXGBE_MAX_FDIR_INDICES + 1)
+#define IXGBE_MAX_L2A_QUEUES 4
+#define IXGBE_BAD_L2A_QUEUE 3
+#define IXGBE_MAX_MACVLANS 31
+#define IXGBE_MAX_DCBMACVLANS 8
struct ixgbe_ring_feature {
u16 limit; /* upper limit on feature indices */
unsigned long fwd_bitmask; /* Bitmask indicating in use pools */
};
+static inline u8 ixgbe_max_rss_indices(struct ixgbe_adapter *adapter)
+{
+ switch (adapter->hw.mac.type) {
+ case ixgbe_mac_82598EB:
+ case ixgbe_mac_82599EB:
+ case ixgbe_mac_X540:
+ return IXGBE_MAX_RSS_INDICES;
+ case ixgbe_mac_X550:
+ case ixgbe_mac_X550EM_x:
+ return IXGBE_MAX_RSS_INDICES_X550;
+ default:
+ return 0;
+ }
+}
+
struct ixgbe_fdir_filter {
struct hlist_node fdir_node;
union ixgbe_atr_input filter;
max_combined = IXGBE_MAX_FDIR_INDICES;
} else {
/* support up to 16 queues with RSS */
- max_combined = IXGBE_MAX_RSS_INDICES;
+ max_combined = ixgbe_max_rss_indices(adapter);
}
return max_combined;
{
struct ixgbe_adapter *adapter = netdev_priv(dev);
unsigned int count = ch->combined_count;
+ u8 max_rss_indices = ixgbe_max_rss_indices(adapter);
/* verify they are not requesting separate vectors */
if (!count || ch->rx_count || ch->tx_count)
/* update feature limits from largest to smallest supported values */
adapter->ring_feature[RING_F_FDIR].limit = count;
- /* cap RSS limit at 16 */
- if (count > IXGBE_MAX_RSS_INDICES)
- count = IXGBE_MAX_RSS_INDICES;
+ /* cap RSS limit */
+ if (count > max_rss_indices)
+ count = max_rss_indices;
adapter->ring_feature[RING_F_RSS].limit = count;
#ifdef IXGBE_FCOE
struct ixgbe_hw *hw = &adapter->hw;
u32 reta = 0;
int i, j;
+ int reta_entries = 128;
u16 rss_i = adapter->ring_feature[RING_F_RSS].indices;
+ int indices_multi;
/*
* Program table for at least 2 queues w/ SR-IOV so that VFs can
for (i = 0; i < 10; i++)
IXGBE_WRITE_REG(hw, IXGBE_RSSRK(i), seed[i]);
+ /* Fill out the redirection table as follows:
+ * 82598: 128 (8 bit wide) entries containing pair of 4 bit RSS indices
+ * 82599/X540: 128 (8 bit wide) entries containing 4 bit RSS index
+ * X550: 512 (8 bit wide) entries containing 6 bit RSS index
+ */
+ if (adapter->hw.mac.type == ixgbe_mac_82598EB)
+ indices_multi = 0x11;
+ else
+ indices_multi = 0x1;
+
+ switch (adapter->hw.mac.type) {
+ case ixgbe_mac_X550:
+ case ixgbe_mac_X550EM_x:
+ if (!(adapter->flags & IXGBE_FLAG_SRIOV_ENABLED))
+ reta_entries = 512;
+ default:
+ break;
+ }
+
/* Fill out redirection table */
- for (i = 0, j = 0; i < 128; i++, j++) {
+ for (i = 0, j = 0; i < reta_entries; i++, j++) {
+ if (j == rss_i)
+ j = 0;
+ reta = (reta << 8) | (j * indices_multi);
+ if ((i & 3) == 3) {
+ if (i < 128)
+ IXGBE_WRITE_REG(hw, IXGBE_RETA(i >> 2), reta);
+ else
+ IXGBE_WRITE_REG(hw, IXGBE_ERETA((i >> 2) - 32),
+ reta);
+ }
+ }
+}
+
+static void ixgbe_setup_vfreta(struct ixgbe_adapter *adapter, const u32 *seed)
+{
+ struct ixgbe_hw *hw = &adapter->hw;
+ u32 vfreta = 0;
+ u16 rss_i = adapter->ring_feature[RING_F_RSS].indices;
+ unsigned int pf_pool = adapter->num_vfs;
+ int i, j;
+
+ /* Fill out hash function seeds */
+ for (i = 0; i < 10; i++)
+ IXGBE_WRITE_REG(hw, IXGBE_PFVFRSSRK(i, pf_pool), seed[i]);
+
+ /* Fill out the redirection table */
+ for (i = 0, j = 0; i < 64; i++, j++) {
if (j == rss_i)
j = 0;
- /* reta = 4-byte sliding window of
- * 0x00..(indices-1)(indices-1)00..etc. */
- reta = (reta << 8) | (j * 0x11);
+ vfreta = (vfreta << 8) | j;
if ((i & 3) == 3)
- IXGBE_WRITE_REG(hw, IXGBE_RETA(i >> 2), reta);
+ IXGBE_WRITE_REG(hw, IXGBE_PFVFRETA(i >> 2, pf_pool),
+ vfreta);
}
}
static void ixgbe_setup_mrqc(struct ixgbe_adapter *adapter)
{
struct ixgbe_hw *hw = &adapter->hw;
- u32 mrqc = 0, rss_field = 0;
+ u32 mrqc = 0, rss_field = 0, vfmrqc = 0;
u32 rss_key[10];
u32 rxcsum;
rss_field |= IXGBE_MRQC_RSS_FIELD_IPV6_UDP;
netdev_rss_key_fill(rss_key, sizeof(rss_key));
- ixgbe_setup_reta(adapter, rss_key);
- mrqc |= rss_field;
- IXGBE_WRITE_REG(hw, IXGBE_MRQC, mrqc);
+ if ((hw->mac.type >= ixgbe_mac_X550) &&
+ (adapter->flags & IXGBE_FLAG_SRIOV_ENABLED)) {
+ unsigned int pf_pool = adapter->num_vfs;
+
+ /* Enable VF RSS mode */
+ mrqc |= IXGBE_MRQC_MULTIPLE_RSS;
+ IXGBE_WRITE_REG(hw, IXGBE_MRQC, mrqc);
+
+ /* Setup RSS through the VF registers */
+ ixgbe_setup_vfreta(adapter, rss_key);
+ vfmrqc = IXGBE_MRQC_RSSEN;
+ vfmrqc |= rss_field;
+ IXGBE_WRITE_REG(hw, IXGBE_PFVFMRQC(pf_pool), vfmrqc);
+ } else {
+ ixgbe_setup_reta(adapter, rss_key);
+ mrqc |= rss_field;
+ IXGBE_WRITE_REG(hw, IXGBE_MRQC, mrqc);
+ }
}
/**
hw->subsystem_device_id = pdev->subsystem_device;
/* Set common capability flags and settings */
- rss = min_t(int, IXGBE_MAX_RSS_INDICES, num_online_cpus());
+ rss = min_t(int, ixgbe_max_rss_indices(adapter), num_online_cpus());
adapter->ring_feature[RING_F_RSS].limit = rss;
adapter->flags2 |= IXGBE_FLAG2_RSC_CAPABLE;
adapter->flags2 |= IXGBE_FLAG2_RSC_ENABLED;
projects / deliverable / linux.git / commitdiff
