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path: root/drivers/net/ethernet/sfc/efx_channels.c
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Diffstat (limited to 'drivers/net/ethernet/sfc/efx_channels.c')
-rw-r--r--drivers/net/ethernet/sfc/efx_channels.c66
1 files changed, 34 insertions, 32 deletions
diff --git a/drivers/net/ethernet/sfc/efx_channels.c b/drivers/net/ethernet/sfc/efx_channels.c
index 377df8b7f0159..f4919e7ee77b7 100644
--- a/drivers/net/ethernet/sfc/efx_channels.c
+++ b/drivers/net/ethernet/sfc/efx_channels.c
@@ -46,33 +46,7 @@ module_param(irq_adapt_high_thresh, uint, 0644);
MODULE_PARM_DESC(irq_adapt_high_thresh,
"Threshold score for increasing IRQ moderation");
-/* This is the weight assigned to each of the (per-channel) virtual
- * NAPI devices.
- */
-static int napi_weight = 64;
-
-/***************
- * Housekeeping
- ***************/
-
-int efx_channel_dummy_op_int(struct efx_channel *channel)
-{
- return 0;
-}
-
-void efx_channel_dummy_op_void(struct efx_channel *channel)
-{
-}
-
-static const struct efx_channel_type efx_default_channel_type = {
- .pre_probe = efx_channel_dummy_op_int,
- .post_remove = efx_channel_dummy_op_void,
- .get_name = efx_get_channel_name,
- .copy = efx_copy_channel,
- .want_txqs = efx_default_channel_want_txqs,
- .keep_eventq = false,
- .want_pio = true,
-};
+static const struct efx_channel_type efx_default_channel_type;
/*************
* INTERRUPTS
@@ -696,7 +670,8 @@ fail:
return rc;
}
-void efx_get_channel_name(struct efx_channel *channel, char *buf, size_t len)
+static void efx_get_channel_name(struct efx_channel *channel, char *buf,
+ size_t len)
{
struct efx_nic *efx = channel->efx;
const char *type;
@@ -867,7 +842,9 @@ static void efx_set_xdp_channels(struct efx_nic *efx)
int efx_realloc_channels(struct efx_nic *efx, u32 rxq_entries, u32 txq_entries)
{
- struct efx_channel *other_channel[EFX_MAX_CHANNELS], *channel;
+ struct efx_channel *other_channel[EFX_MAX_CHANNELS], *channel,
+ *ptp_channel = efx_ptp_channel(efx);
+ struct efx_ptp_data *ptp_data = efx->ptp_data;
unsigned int i, next_buffer_table = 0;
u32 old_rxq_entries, old_txq_entries;
int rc, rc2;
@@ -938,6 +915,7 @@ int efx_realloc_channels(struct efx_nic *efx, u32 rxq_entries, u32 txq_entries)
efx_set_xdp_channels(efx);
out:
+ efx->ptp_data = NULL;
/* Destroy unused channel structures */
for (i = 0; i < efx->n_channels; i++) {
channel = other_channel[i];
@@ -948,6 +926,7 @@ out:
}
}
+ efx->ptp_data = ptp_data;
rc2 = efx_soft_enable_interrupts(efx);
if (rc2) {
rc = rc ? rc : rc2;
@@ -966,6 +945,7 @@ rollback:
efx->txq_entries = old_txq_entries;
for (i = 0; i < efx->n_channels; i++)
swap(efx->channel[i], other_channel[i]);
+ efx_ptp_update_channel(efx, ptp_channel);
goto out;
}
@@ -1004,7 +984,7 @@ int efx_set_channels(struct efx_nic *efx)
return netif_set_real_num_rx_queues(efx->net_dev, efx->n_rx_channels);
}
-bool efx_default_channel_want_txqs(struct efx_channel *channel)
+static bool efx_default_channel_want_txqs(struct efx_channel *channel)
{
return channel->channel - channel->efx->tx_channel_offset <
channel->efx->n_tx_channels;
@@ -1335,8 +1315,7 @@ void efx_init_napi_channel(struct efx_channel *channel)
struct efx_nic *efx = channel->efx;
channel->napi_dev = efx->net_dev;
- netif_napi_add(channel->napi_dev, &channel->napi_str,
- efx_poll, napi_weight);
+ netif_napi_add(channel->napi_dev, &channel->napi_str, efx_poll, 64);
}
void efx_init_napi(struct efx_nic *efx)
@@ -1362,3 +1341,26 @@ void efx_fini_napi(struct efx_nic *efx)
efx_for_each_channel(channel, efx)
efx_fini_napi_channel(channel);
}
+
+/***************
+ * Housekeeping
+ ***************/
+
+static int efx_channel_dummy_op_int(struct efx_channel *channel)
+{
+ return 0;
+}
+
+void efx_channel_dummy_op_void(struct efx_channel *channel)
+{
+}
+
+static const struct efx_channel_type efx_default_channel_type = {
+ .pre_probe = efx_channel_dummy_op_int,
+ .post_remove = efx_channel_dummy_op_void,
+ .get_name = efx_get_channel_name,
+ .copy = efx_copy_channel,
+ .want_txqs = efx_default_channel_want_txqs,
+ .keep_eventq = false,
+ .want_pio = true,
+};