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-rw-r--r--drivers/net/ethernet/sfc/efx.h2
-rw-r--r--drivers/net/ethernet/sfc/efx_channels.c8
2 files changed, 8 insertions, 2 deletions
diff --git a/drivers/net/ethernet/sfc/efx.h b/drivers/net/ethernet/sfc/efx.h
index f1bdb04efbe4..78babbe6d2d8 100644
--- a/drivers/net/ethernet/sfc/efx.h
+++ b/drivers/net/ethernet/sfc/efx.h
@@ -159,7 +159,7 @@ static inline void efx_filter_rfs_expire(struct work_struct *data)
channel = container_of(dwork, struct efx_channel, filter_work);
time = jiffies - channel->rfs_last_expiry;
quota = channel->rfs_filter_count * time / (30 * HZ);
- if (quota > 20 && __efx_filter_rfs_expire(channel, min(channel->rfs_filter_count, quota)))
+ if (quota >= 20 && __efx_filter_rfs_expire(channel, min(channel->rfs_filter_count, quota)))
channel->rfs_last_expiry += time;
/* Ensure we do more work eventually even if NAPI poll is not happening */
schedule_delayed_work(dwork, 30 * HZ);
diff --git a/drivers/net/ethernet/sfc/efx_channels.c b/drivers/net/ethernet/sfc/efx_channels.c
index aeb5e8aa2f2a..1b1265d94fc9 100644
--- a/drivers/net/ethernet/sfc/efx_channels.c
+++ b/drivers/net/ethernet/sfc/efx_channels.c
@@ -1166,6 +1166,9 @@ static int efx_poll(struct napi_struct *napi, int budget)
struct efx_channel *channel =
container_of(napi, struct efx_channel, napi_str);
struct efx_nic *efx = channel->efx;
+#ifdef CONFIG_RFS_ACCEL
+ unsigned int time;
+#endif
int spent;
netif_vdbg(efx, intr, efx->net_dev,
@@ -1185,7 +1188,10 @@ static int efx_poll(struct napi_struct *napi, int budget)
#ifdef CONFIG_RFS_ACCEL
/* Perhaps expire some ARFS filters */
- mod_delayed_work(system_wq, &channel->filter_work, 0);
+ time = jiffies - channel->rfs_last_expiry;
+ /* Would our quota be >= 20? */
+ if (channel->rfs_filter_count * time >= 600 * HZ)
+ mod_delayed_work(system_wq, &channel->filter_work, 0);
#endif
/* There is no race here; although napi_disable() will