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path: root/drivers/net/ethernet/intel/ixgbe/ixgbe_lib.c
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Diffstat (limited to 'drivers/net/ethernet/intel/ixgbe/ixgbe_lib.c')
-rw-r--r--drivers/net/ethernet/intel/ixgbe/ixgbe_lib.c76
1 files changed, 45 insertions, 31 deletions
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_lib.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_lib.c
index 8e2a957aca18..4242f0213e46 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_lib.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_lib.c
@@ -46,8 +46,8 @@ static bool ixgbe_cache_ring_dcb_sriov(struct ixgbe_adapter *adapter)
#endif /* IXGBE_FCOE */
struct ixgbe_ring_feature *vmdq = &adapter->ring_feature[RING_F_VMDQ];
int i;
- u16 reg_idx;
- u8 tcs = netdev_get_num_tc(adapter->netdev);
+ u16 reg_idx, pool;
+ u8 tcs = adapter->hw_tcs;
/* verify we have DCB queueing enabled before proceeding */
if (tcs <= 1)
@@ -58,12 +58,16 @@ static bool ixgbe_cache_ring_dcb_sriov(struct ixgbe_adapter *adapter)
return false;
/* start at VMDq register offset for SR-IOV enabled setups */
+ pool = 0;
reg_idx = vmdq->offset * __ALIGN_MASK(1, ~vmdq->mask);
- for (i = 0; i < adapter->num_rx_queues; i++, reg_idx++) {
+ for (i = 0, pool = 0; i < adapter->num_rx_queues; i++, reg_idx++) {
/* If we are greater than indices move to next pool */
- if ((reg_idx & ~vmdq->mask) >= tcs)
+ if ((reg_idx & ~vmdq->mask) >= tcs) {
+ pool++;
reg_idx = __ALIGN_MASK(reg_idx, ~vmdq->mask);
+ }
adapter->rx_ring[i]->reg_idx = reg_idx;
+ adapter->rx_ring[i]->netdev = pool ? NULL : adapter->netdev;
}
reg_idx = vmdq->offset * __ALIGN_MASK(1, ~vmdq->mask);
@@ -92,6 +96,7 @@ static bool ixgbe_cache_ring_dcb_sriov(struct ixgbe_adapter *adapter)
for (i = fcoe->offset; i < adapter->num_rx_queues; i++) {
reg_idx = __ALIGN_MASK(reg_idx, ~vmdq->mask) + fcoe_tc;
adapter->rx_ring[i]->reg_idx = reg_idx;
+ adapter->rx_ring[i]->netdev = adapter->netdev;
reg_idx++;
}
@@ -111,9 +116,8 @@ static bool ixgbe_cache_ring_dcb_sriov(struct ixgbe_adapter *adapter)
static void ixgbe_get_first_reg_idx(struct ixgbe_adapter *adapter, u8 tc,
unsigned int *tx, unsigned int *rx)
{
- struct net_device *dev = adapter->netdev;
struct ixgbe_hw *hw = &adapter->hw;
- u8 num_tcs = netdev_get_num_tc(dev);
+ u8 num_tcs = adapter->hw_tcs;
*tx = 0;
*rx = 0;
@@ -168,10 +172,9 @@ static void ixgbe_get_first_reg_idx(struct ixgbe_adapter *adapter, u8 tc,
**/
static bool ixgbe_cache_ring_dcb(struct ixgbe_adapter *adapter)
{
- struct net_device *dev = adapter->netdev;
+ u8 num_tcs = adapter->hw_tcs;
unsigned int tx_idx, rx_idx;
int tc, offset, rss_i, i;
- u8 num_tcs = netdev_get_num_tc(dev);
/* verify we have DCB queueing enabled before proceeding */
if (num_tcs <= 1)
@@ -184,6 +187,7 @@ static bool ixgbe_cache_ring_dcb(struct ixgbe_adapter *adapter)
for (i = 0; i < rss_i; i++, tx_idx++, rx_idx++) {
adapter->tx_ring[offset + i]->reg_idx = tx_idx;
adapter->rx_ring[offset + i]->reg_idx = rx_idx;
+ adapter->rx_ring[offset + i]->netdev = adapter->netdev;
adapter->tx_ring[offset + i]->dcb_tc = tc;
adapter->rx_ring[offset + i]->dcb_tc = tc;
}
@@ -208,14 +212,15 @@ static bool ixgbe_cache_ring_sriov(struct ixgbe_adapter *adapter)
#endif /* IXGBE_FCOE */
struct ixgbe_ring_feature *vmdq = &adapter->ring_feature[RING_F_VMDQ];
struct ixgbe_ring_feature *rss = &adapter->ring_feature[RING_F_RSS];
+ u16 reg_idx, pool;
int i;
- u16 reg_idx;
/* only proceed if VMDq is enabled */
if (!(adapter->flags & IXGBE_FLAG_VMDQ_ENABLED))
return false;
/* start at VMDq register offset for SR-IOV enabled setups */
+ pool = 0;
reg_idx = vmdq->offset * __ALIGN_MASK(1, ~vmdq->mask);
for (i = 0; i < adapter->num_rx_queues; i++, reg_idx++) {
#ifdef IXGBE_FCOE
@@ -224,15 +229,20 @@ static bool ixgbe_cache_ring_sriov(struct ixgbe_adapter *adapter)
break;
#endif
/* If we are greater than indices move to next pool */
- if ((reg_idx & ~vmdq->mask) >= rss->indices)
+ if ((reg_idx & ~vmdq->mask) >= rss->indices) {
+ pool++;
reg_idx = __ALIGN_MASK(reg_idx, ~vmdq->mask);
+ }
adapter->rx_ring[i]->reg_idx = reg_idx;
+ adapter->rx_ring[i]->netdev = pool ? NULL : adapter->netdev;
}
#ifdef IXGBE_FCOE
/* FCoE uses a linear block of queues so just assigning 1:1 */
- for (; i < adapter->num_rx_queues; i++, reg_idx++)
+ for (; i < adapter->num_rx_queues; i++, reg_idx++) {
adapter->rx_ring[i]->reg_idx = reg_idx;
+ adapter->rx_ring[i]->netdev = adapter->netdev;
+ }
#endif
reg_idx = vmdq->offset * __ALIGN_MASK(1, ~vmdq->mask);
@@ -269,8 +279,10 @@ static bool ixgbe_cache_ring_rss(struct ixgbe_adapter *adapter)
{
int i, reg_idx;
- for (i = 0; i < adapter->num_rx_queues; i++)
+ for (i = 0; i < adapter->num_rx_queues; i++) {
adapter->rx_ring[i]->reg_idx = i;
+ adapter->rx_ring[i]->netdev = adapter->netdev;
+ }
for (i = 0, reg_idx = 0; i < adapter->num_tx_queues; i++, reg_idx++)
adapter->tx_ring[i]->reg_idx = reg_idx;
for (i = 0; i < adapter->num_xdp_queues; i++, reg_idx++)
@@ -340,7 +352,7 @@ static bool ixgbe_set_dcb_sriov_queues(struct ixgbe_adapter *adapter)
#ifdef IXGBE_FCOE
u16 fcoe_i = 0;
#endif
- u8 tcs = netdev_get_num_tc(adapter->netdev);
+ u8 tcs = adapter->hw_tcs;
/* verify we have DCB queueing enabled before proceeding */
if (tcs <= 1)
@@ -350,6 +362,9 @@ static bool ixgbe_set_dcb_sriov_queues(struct ixgbe_adapter *adapter)
if (!(adapter->flags & IXGBE_FLAG_SRIOV_ENABLED))
return false;
+ /* limit VMDq instances on the PF by number of Tx queues */
+ vmdq_i = min_t(u16, vmdq_i, MAX_TX_QUEUES / tcs);
+
/* Add starting offset to total pool count */
vmdq_i += adapter->ring_feature[RING_F_VMDQ].offset;
@@ -437,7 +452,7 @@ static bool ixgbe_set_dcb_queues(struct ixgbe_adapter *adapter)
int tcs;
/* Map queue offset and counts onto allocated tx queues */
- tcs = netdev_get_num_tc(dev);
+ tcs = adapter->hw_tcs;
/* verify we have DCB queueing enabled before proceeding */
if (tcs <= 1)
@@ -512,12 +527,14 @@ static bool ixgbe_set_sriov_queues(struct ixgbe_adapter *adapter)
#ifdef IXGBE_FCOE
u16 fcoe_i = 0;
#endif
- bool pools = (find_first_zero_bit(&adapter->fwd_bitmask, 32) > 1);
/* only proceed if SR-IOV is enabled */
if (!(adapter->flags & IXGBE_FLAG_SRIOV_ENABLED))
return false;
+ /* limit l2fwd RSS based on total Tx queue limit */
+ rss_i = min_t(u16, rss_i, MAX_TX_QUEUES / vmdq_i);
+
/* Add starting offset to total pool count */
vmdq_i += adapter->ring_feature[RING_F_VMDQ].offset;
@@ -525,7 +542,7 @@ static bool ixgbe_set_sriov_queues(struct ixgbe_adapter *adapter)
vmdq_i = min_t(u16, IXGBE_MAX_VMDQ_INDICES, vmdq_i);
/* 64 pool mode with 2 queues per pool */
- if ((vmdq_i > 32) || (vmdq_i > 16 && pools)) {
+ if (vmdq_i > 32) {
vmdq_m = IXGBE_82599_VMDQ_2Q_MASK;
rss_m = IXGBE_RSS_2Q_MASK;
rss_i = min_t(u16, rss_i, 2);
@@ -602,6 +619,10 @@ static bool ixgbe_set_sriov_queues(struct ixgbe_adapter *adapter)
}
#endif
+ /* populate TC0 for use by pool 0 */
+ netdev_set_tc_queue(adapter->netdev, 0,
+ adapter->num_rx_queues_per_pool, 0);
+
return true;
}
@@ -701,7 +722,7 @@ static void ixgbe_set_num_queues(struct ixgbe_adapter *adapter)
adapter->num_rx_queues = 1;
adapter->num_tx_queues = 1;
adapter->num_xdp_queues = 0;
- adapter->num_rx_pools = adapter->num_rx_queues;
+ adapter->num_rx_pools = 1;
adapter->num_rx_queues_per_pool = 1;
#ifdef CONFIG_IXGBE_DCB
@@ -834,7 +855,7 @@ static int ixgbe_alloc_q_vector(struct ixgbe_adapter *adapter,
int node = NUMA_NO_NODE;
int cpu = -1;
int ring_count, size;
- u8 tcs = netdev_get_num_tc(adapter->netdev);
+ u8 tcs = adapter->hw_tcs;
ring_count = txr_count + rxr_count + xdp_count;
size = sizeof(struct ixgbe_q_vector) +
@@ -917,11 +938,7 @@ static int ixgbe_alloc_q_vector(struct ixgbe_adapter *adapter,
/* apply Tx specific ring traits */
ring->count = adapter->tx_ring_count;
- if (adapter->num_rx_pools > 1)
- ring->queue_index =
- txr_idx % adapter->num_rx_queues_per_pool;
- else
- ring->queue_index = txr_idx;
+ ring->queue_index = txr_idx;
/* assign ring to adapter */
adapter->tx_ring[txr_idx] = ring;
@@ -991,11 +1008,7 @@ static int ixgbe_alloc_q_vector(struct ixgbe_adapter *adapter,
#endif /* IXGBE_FCOE */
/* apply Rx specific ring traits */
ring->count = adapter->rx_ring_count;
- if (adapter->num_rx_pools > 1)
- ring->queue_index =
- rxr_idx % adapter->num_rx_queues_per_pool;
- else
- ring->queue_index = rxr_idx;
+ ring->queue_index = rxr_idx;
/* assign ring to adapter */
adapter->rx_ring[rxr_idx] = ring;
@@ -1171,7 +1184,7 @@ static void ixgbe_set_interrupt_capability(struct ixgbe_adapter *adapter)
*/
/* Disable DCB unless we only have a single traffic class */
- if (netdev_get_num_tc(adapter->netdev) > 1) {
+ if (adapter->hw_tcs > 1) {
e_dev_warn("Number of DCB TCs exceeds number of available queues. Disabling DCB support.\n");
netdev_reset_tc(adapter->netdev);
@@ -1183,6 +1196,7 @@ static void ixgbe_set_interrupt_capability(struct ixgbe_adapter *adapter)
adapter->dcb_cfg.pfc_mode_enable = false;
}
+ adapter->hw_tcs = 0;
adapter->dcb_cfg.num_tcs.pg_tcs = 1;
adapter->dcb_cfg.num_tcs.pfc_tcs = 1;
@@ -1268,7 +1282,7 @@ void ixgbe_clear_interrupt_scheme(struct ixgbe_adapter *adapter)
}
void ixgbe_tx_ctxtdesc(struct ixgbe_ring *tx_ring, u32 vlan_macip_lens,
- u32 fcoe_sof_eof, u32 type_tucmd, u32 mss_l4len_idx)
+ u32 fceof_saidx, u32 type_tucmd, u32 mss_l4len_idx)
{
struct ixgbe_adv_tx_context_desc *context_desc;
u16 i = tx_ring->next_to_use;
@@ -1282,7 +1296,7 @@ void ixgbe_tx_ctxtdesc(struct ixgbe_ring *tx_ring, u32 vlan_macip_lens,
type_tucmd |= IXGBE_TXD_CMD_DEXT | IXGBE_ADVTXD_DTYP_CTXT;
context_desc->vlan_macip_lens = cpu_to_le32(vlan_macip_lens);
- context_desc->seqnum_seed = cpu_to_le32(fcoe_sof_eof);
+ context_desc->fceof_saidx = cpu_to_le32(fceof_saidx);
context_desc->type_tucmd_mlhl = cpu_to_le32(type_tucmd);
context_desc->mss_l4len_idx = cpu_to_le32(mss_l4len_idx);
}
generated by cgit (git 2.34.1) at 2024-05-06 16:50:36 +0000