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-rw-r--r--drivers/net/ethernet/intel/ixgbevf/ethtool.c38
-rw-r--r--drivers/net/ethernet/intel/ixgbevf/ixgbevf.h113
-rw-r--r--drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c64
3 files changed, 0 insertions, 215 deletions
diff --git a/drivers/net/ethernet/intel/ixgbevf/ethtool.c b/drivers/net/ethernet/intel/ixgbevf/ethtool.c
index 508e72c5f1c2..1f6c0ecd50bb 100644
--- a/drivers/net/ethernet/intel/ixgbevf/ethtool.c
+++ b/drivers/net/ethernet/intel/ixgbevf/ethtool.c
@@ -432,11 +432,6 @@ static void ixgbevf_get_ethtool_stats(struct net_device *netdev,
if (!ring) {
data[i++] = 0;
data[i++] = 0;
-#ifdef BP_EXTENDED_STATS
- data[i++] = 0;
- data[i++] = 0;
- data[i++] = 0;
-#endif
continue;
}
@@ -446,12 +441,6 @@ static void ixgbevf_get_ethtool_stats(struct net_device *netdev,
data[i + 1] = ring->stats.bytes;
} while (u64_stats_fetch_retry_irq(&ring->syncp, start));
i += 2;
-#ifdef BP_EXTENDED_STATS
- data[i] = ring->stats.yields;
- data[i + 1] = ring->stats.misses;
- data[i + 2] = ring->stats.cleaned;
- i += 3;
-#endif
}
/* populate Rx queue data */
@@ -460,11 +449,6 @@ static void ixgbevf_get_ethtool_stats(struct net_device *netdev,
if (!ring) {
data[i++] = 0;
data[i++] = 0;
-#ifdef BP_EXTENDED_STATS
- data[i++] = 0;
- data[i++] = 0;
- data[i++] = 0;
-#endif
continue;
}
@@ -474,12 +458,6 @@ static void ixgbevf_get_ethtool_stats(struct net_device *netdev,
data[i + 1] = ring->stats.bytes;
} while (u64_stats_fetch_retry_irq(&ring->syncp, start));
i += 2;
-#ifdef BP_EXTENDED_STATS
- data[i] = ring->stats.yields;
- data[i + 1] = ring->stats.misses;
- data[i + 2] = ring->stats.cleaned;
- i += 3;
-#endif
}
}
@@ -507,28 +485,12 @@ static void ixgbevf_get_strings(struct net_device *netdev, u32 stringset,
p += ETH_GSTRING_LEN;
sprintf(p, "tx_queue_%u_bytes", i);
p += ETH_GSTRING_LEN;
-#ifdef BP_EXTENDED_STATS
- sprintf(p, "tx_queue_%u_bp_napi_yield", i);
- p += ETH_GSTRING_LEN;
- sprintf(p, "tx_queue_%u_bp_misses", i);
- p += ETH_GSTRING_LEN;
- sprintf(p, "tx_queue_%u_bp_cleaned", i);
- p += ETH_GSTRING_LEN;
-#endif /* BP_EXTENDED_STATS */
}
for (i = 0; i < adapter->num_rx_queues; i++) {
sprintf(p, "rx_queue_%u_packets", i);
p += ETH_GSTRING_LEN;
sprintf(p, "rx_queue_%u_bytes", i);
p += ETH_GSTRING_LEN;
-#ifdef BP_EXTENDED_STATS
- sprintf(p, "rx_queue_%u_bp_poll_yield", i);
- p += ETH_GSTRING_LEN;
- sprintf(p, "rx_queue_%u_bp_misses", i);
- p += ETH_GSTRING_LEN;
- sprintf(p, "rx_queue_%u_bp_cleaned", i);
- p += ETH_GSTRING_LEN;
-#endif /* BP_EXTENDED_STATS */
}
break;
}
diff --git a/drivers/net/ethernet/intel/ixgbevf/ixgbevf.h b/drivers/net/ethernet/intel/ixgbevf/ixgbevf.h
index 3fe6504eeab1..a8cbc2dda0dd 100644
--- a/drivers/net/ethernet/intel/ixgbevf/ixgbevf.h
+++ b/drivers/net/ethernet/intel/ixgbevf/ixgbevf.h
@@ -37,11 +37,6 @@
#include "vf.h"
-#ifdef CONFIG_NET_RX_BUSY_POLL
-#include <net/busy_poll.h>
-#define BP_EXTENDED_STATS
-#endif
-
#define IXGBE_MAX_TXD_PWR 14
#define IXGBE_MAX_DATA_PER_TXD BIT(IXGBE_MAX_TXD_PWR)
@@ -73,11 +68,6 @@ struct ixgbevf_rx_buffer {
struct ixgbevf_stats {
u64 packets;
u64 bytes;
-#ifdef BP_EXTENDED_STATS
- u64 yields;
- u64 misses;
- u64 cleaned;
-#endif
};
struct ixgbevf_tx_queue_stats {
@@ -217,109 +207,6 @@ struct ixgbevf_q_vector {
#endif /* CONFIG_NET_RX_BUSY_POLL */
};
-#ifdef CONFIG_NET_RX_BUSY_POLL
-static inline void ixgbevf_qv_init_lock(struct ixgbevf_q_vector *q_vector)
-{
- spin_lock_init(&q_vector->lock);
- q_vector->state = IXGBEVF_QV_STATE_IDLE;
-}
-
-/* called from the device poll routine to get ownership of a q_vector */
-static inline bool ixgbevf_qv_lock_napi(struct ixgbevf_q_vector *q_vector)
-{
- int rc = true;
-
- spin_lock_bh(&q_vector->lock);
- if (q_vector->state & IXGBEVF_QV_LOCKED) {
- WARN_ON(q_vector->state & IXGBEVF_QV_STATE_NAPI);
- q_vector->state |= IXGBEVF_QV_STATE_NAPI_YIELD;
- rc = false;
-#ifdef BP_EXTENDED_STATS
- q_vector->tx.ring->stats.yields++;
-#endif
- } else {
- /* we don't care if someone yielded */
- q_vector->state = IXGBEVF_QV_STATE_NAPI;
- }
- spin_unlock_bh(&q_vector->lock);
- return rc;
-}
-
-/* returns true is someone tried to get the qv while napi had it */
-static inline bool ixgbevf_qv_unlock_napi(struct ixgbevf_q_vector *q_vector)
-{
- int rc = false;
-
- spin_lock_bh(&q_vector->lock);
- WARN_ON(q_vector->state & (IXGBEVF_QV_STATE_POLL |
- IXGBEVF_QV_STATE_NAPI_YIELD));
-
- if (q_vector->state & IXGBEVF_QV_STATE_POLL_YIELD)
- rc = true;
- /* reset state to idle, unless QV is disabled */
- q_vector->state &= IXGBEVF_QV_STATE_DISABLED;
- spin_unlock_bh(&q_vector->lock);
- return rc;
-}
-
-/* called from ixgbevf_low_latency_poll() */
-static inline bool ixgbevf_qv_lock_poll(struct ixgbevf_q_vector *q_vector)
-{
- int rc = true;
-
- spin_lock_bh(&q_vector->lock);
- if ((q_vector->state & IXGBEVF_QV_LOCKED)) {
- q_vector->state |= IXGBEVF_QV_STATE_POLL_YIELD;
- rc = false;
-#ifdef BP_EXTENDED_STATS
- q_vector->rx.ring->stats.yields++;
-#endif
- } else {
- /* preserve yield marks */
- q_vector->state |= IXGBEVF_QV_STATE_POLL;
- }
- spin_unlock_bh(&q_vector->lock);
- return rc;
-}
-
-/* returns true if someone tried to get the qv while it was locked */
-static inline bool ixgbevf_qv_unlock_poll(struct ixgbevf_q_vector *q_vector)
-{
- int rc = false;
-
- spin_lock_bh(&q_vector->lock);
- WARN_ON(q_vector->state & (IXGBEVF_QV_STATE_NAPI));
-
- if (q_vector->state & IXGBEVF_QV_STATE_POLL_YIELD)
- rc = true;
- /* reset state to idle, unless QV is disabled */
- q_vector->state &= IXGBEVF_QV_STATE_DISABLED;
- spin_unlock_bh(&q_vector->lock);
- return rc;
-}
-
-/* true if a socket is polling, even if it did not get the lock */
-static inline bool ixgbevf_qv_busy_polling(struct ixgbevf_q_vector *q_vector)
-{
- WARN_ON(!(q_vector->state & IXGBEVF_QV_OWNED));
- return q_vector->state & IXGBEVF_QV_USER_PEND;
-}
-
-/* false if QV is currently owned */
-static inline bool ixgbevf_qv_disable(struct ixgbevf_q_vector *q_vector)
-{
- int rc = true;
-
- spin_lock_bh(&q_vector->lock);
- if (q_vector->state & IXGBEVF_QV_OWNED)
- rc = false;
- q_vector->state |= IXGBEVF_QV_STATE_DISABLED;
- spin_unlock_bh(&q_vector->lock);
- return rc;
-}
-
-#endif /* CONFIG_NET_RX_BUSY_POLL */
-
/* microsecond values for various ITR rates shifted by 2 to fit itr register
* with the first 3 bits reserved 0
*/
diff --git a/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c b/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c
index b06863560c7d..80bab261a0ec 100644
--- a/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c
+++ b/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c
@@ -457,16 +457,6 @@ static bool ixgbevf_clean_tx_irq(struct ixgbevf_q_vector *q_vector,
static void ixgbevf_rx_skb(struct ixgbevf_q_vector *q_vector,
struct sk_buff *skb)
{
-#ifdef CONFIG_NET_RX_BUSY_POLL
- skb_mark_napi_id(skb, &q_vector->napi);
-
- if (ixgbevf_qv_busy_polling(q_vector)) {
- netif_receive_skb(skb);
- /* exit early if we busy polled */
- return;
- }
-#endif /* CONFIG_NET_RX_BUSY_POLL */
-
napi_gro_receive(&q_vector->napi, skb);
}
@@ -1031,10 +1021,6 @@ static int ixgbevf_poll(struct napi_struct *napi, int budget)
if (budget <= 0)
return budget;
-#ifdef CONFIG_NET_RX_BUSY_POLL
- if (!ixgbevf_qv_lock_napi(q_vector))
- return budget;
-#endif
/* attempt to distribute budget to each queue fairly, but don't allow
* the budget to go below 1 because we'll exit polling
@@ -1052,10 +1038,6 @@ static int ixgbevf_poll(struct napi_struct *napi, int budget)
clean_complete = false;
}
-#ifdef CONFIG_NET_RX_BUSY_POLL
- ixgbevf_qv_unlock_napi(q_vector);
-#endif
-
/* If all work not completed, return budget and keep polling */
if (!clean_complete)
return budget;
@@ -1090,40 +1072,6 @@ void ixgbevf_write_eitr(struct ixgbevf_q_vector *q_vector)
IXGBE_WRITE_REG(hw, IXGBE_VTEITR(v_idx), itr_reg);
}
-#ifdef CONFIG_NET_RX_BUSY_POLL
-/* must be called with local_bh_disable()d */
-static int ixgbevf_busy_poll_recv(struct napi_struct *napi)
-{
- struct ixgbevf_q_vector *q_vector =
- container_of(napi, struct ixgbevf_q_vector, napi);
- struct ixgbevf_adapter *adapter = q_vector->adapter;
- struct ixgbevf_ring *ring;
- int found = 0;
-
- if (test_bit(__IXGBEVF_DOWN, &adapter->state))
- return LL_FLUSH_FAILED;
-
- if (!ixgbevf_qv_lock_poll(q_vector))
- return LL_FLUSH_BUSY;
-
- ixgbevf_for_each_ring(ring, q_vector->rx) {
- found = ixgbevf_clean_rx_irq(q_vector, ring, 4);
-#ifdef BP_EXTENDED_STATS
- if (found)
- ring->stats.cleaned += found;
- else
- ring->stats.misses++;
-#endif
- if (found)
- break;
- }
-
- ixgbevf_qv_unlock_poll(q_vector);
-
- return found;
-}
-#endif /* CONFIG_NET_RX_BUSY_POLL */
-
/**
* ixgbevf_configure_msix - Configure MSI-X hardware
* @adapter: board private structure
@@ -1960,9 +1908,6 @@ static void ixgbevf_napi_enable_all(struct ixgbevf_adapter *adapter)
for (q_idx = 0; q_idx < q_vectors; q_idx++) {
q_vector = adapter->q_vector[q_idx];
-#ifdef CONFIG_NET_RX_BUSY_POLL
- ixgbevf_qv_init_lock(adapter->q_vector[q_idx]);
-#endif
napi_enable(&q_vector->napi);
}
}
@@ -1976,12 +1921,6 @@ static void ixgbevf_napi_disable_all(struct ixgbevf_adapter *adapter)
for (q_idx = 0; q_idx < q_vectors; q_idx++) {
q_vector = adapter->q_vector[q_idx];
napi_disable(&q_vector->napi);
-#ifdef CONFIG_NET_RX_BUSY_POLL
- while (!ixgbevf_qv_disable(adapter->q_vector[q_idx])) {
- pr_info("QV %d locked\n", q_idx);
- usleep_range(1000, 20000);
- }
-#endif /* CONFIG_NET_RX_BUSY_POLL */
}
}
@@ -3978,9 +3917,6 @@ static const struct net_device_ops ixgbevf_netdev_ops = {
.ndo_tx_timeout = ixgbevf_tx_timeout,
.ndo_vlan_rx_add_vid = ixgbevf_vlan_rx_add_vid,
.ndo_vlan_rx_kill_vid = ixgbevf_vlan_rx_kill_vid,
-#ifdef CONFIG_NET_RX_BUSY_POLL
- .ndo_busy_poll = ixgbevf_busy_poll_recv,
-#endif
#ifdef CONFIG_NET_POLL_CONTROLLER
.ndo_poll_controller = ixgbevf_netpoll,
#endif
generated by cgit v1.2.3 (git 2.39.1) at 2025-01-04 05:53:52 +0000