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sfc/siena: Rename RX/TX functions to avoid conflicts with sfc

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For siena use efx_siena_ as the function prefix.
Several functions are not used in Siena, so they are removed.

Use a Siena specific variable name for module parameter
efx_separate_tx_channels.
Move efx_fini_tx_queue() to avoid a forward declaration of
efx_dequeue_buffer().

Signed-off-by: Martin Habets <habetsm.xilinx@gmail.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Martin Habets
2022-05-09 16:32:20 +01:00
committed by Jakub Kicinski
parent 71ad88f661
commit 7f9e4b2a61
13 changed files with 213 additions and 230 deletions
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85
drivers/net/ethernet/sfc/siena/tx_common.c
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@@ -19,7 +19,7 @@ static unsigned int efx_tx_cb_page_count(struct efx_tx_queue *tx_queue)
PAGE_SIZE >> EFX_TX_CB_ORDER);
}
int efx_probe_tx_queue(struct efx_tx_queue *tx_queue)
int efx_siena_probe_tx_queue(struct efx_tx_queue *tx_queue)
{
struct efx_nic *efx = tx_queue->efx;
unsigned int entries;
@@ -64,7 +64,7 @@ fail1:
return rc;
}
void efx_init_tx_queue(struct efx_tx_queue *tx_queue)
void efx_siena_init_tx_queue(struct efx_tx_queue *tx_queue)
{
struct efx_nic *efx = tx_queue->efx;
@@ -94,32 +94,7 @@ void efx_init_tx_queue(struct efx_tx_queue *tx_queue)
tx_queue->initialised = true;
}
void efx_fini_tx_queue(struct efx_tx_queue *tx_queue)
{
struct efx_tx_buffer *buffer;
netif_dbg(tx_queue->efx, drv, tx_queue->efx->net_dev,
"shutting down TX queue %d\n", tx_queue->queue);
tx_queue->initialised = false;
if (!tx_queue->buffer)
return;
/* Free any buffers left in the ring */
while (tx_queue->read_count != tx_queue->write_count) {
unsigned int pkts_compl = 0, bytes_compl = 0;
buffer = &tx_queue->buffer[tx_queue->read_count & tx_queue->ptr_mask];
efx_dequeue_buffer(tx_queue, buffer, &pkts_compl, &bytes_compl);
++tx_queue->read_count;
}
tx_queue->xmit_pending = false;
netdev_tx_reset_queue(tx_queue->core_txq);
}
void efx_remove_tx_queue(struct efx_tx_queue *tx_queue)
void efx_siena_remove_tx_queue(struct efx_tx_queue *tx_queue)
{
int i;
@@ -143,10 +118,10 @@ void efx_remove_tx_queue(struct efx_tx_queue *tx_queue)
tx_queue->channel->tx_queue_by_type[tx_queue->type] = NULL;
}
void efx_dequeue_buffer(struct efx_tx_queue *tx_queue,
struct efx_tx_buffer *buffer,
unsigned int *pkts_compl,
unsigned int *bytes_compl)
static void efx_dequeue_buffer(struct efx_tx_queue *tx_queue,
struct efx_tx_buffer *buffer,
unsigned int *pkts_compl,
unsigned int *bytes_compl)
{
if (buffer->unmap_len) {
struct device *dma_dev = &tx_queue->efx->pci_dev->dev;
@@ -191,6 +166,29 @@ void efx_dequeue_buffer(struct efx_tx_queue *tx_queue,
buffer->flags = 0;
}
void efx_siena_fini_tx_queue(struct efx_tx_queue *tx_queue)
{
struct efx_tx_buffer *buffer;
netif_dbg(tx_queue->efx, drv, tx_queue->efx->net_dev,
"shutting down TX queue %d\n", tx_queue->queue);
if (!tx_queue->buffer)
return;
/* Free any buffers left in the ring */
while (tx_queue->read_count != tx_queue->write_count) {
unsigned int pkts_compl = 0, bytes_compl = 0;
buffer = &tx_queue->buffer[tx_queue->read_count & tx_queue->ptr_mask];
efx_dequeue_buffer(tx_queue, buffer, &pkts_compl, &bytes_compl);
++tx_queue->read_count;
}
tx_queue->xmit_pending = false;
netdev_tx_reset_queue(tx_queue->core_txq);
}
/* Remove packets from the TX queue
*
* This removes packets from the TX queue, up to and including the
@@ -271,8 +269,8 @@ void efx_siena_xmit_done(struct efx_tx_queue *tx_queue, unsigned int index)
/* Remove buffers put into a tx_queue for the current packet.
* None of the buffers must have an skb attached.
*/
void efx_enqueue_unwind(struct efx_tx_queue *tx_queue,
unsigned int insert_count)
void efx_siena_enqueue_unwind(struct efx_tx_queue *tx_queue,
unsigned int insert_count)
{
struct efx_tx_buffer *buffer;
unsigned int bytes_compl = 0;
@@ -286,8 +284,8 @@ void efx_enqueue_unwind(struct efx_tx_queue *tx_queue,
}
}
struct efx_tx_buffer *efx_tx_map_chunk(struct efx_tx_queue *tx_queue,
dma_addr_t dma_addr, size_t len)
struct efx_tx_buffer *efx_siena_tx_map_chunk(struct efx_tx_queue *tx_queue,
dma_addr_t dma_addr, size_t len)
{
const struct efx_nic_type *nic_type = tx_queue->efx->type;
struct efx_tx_buffer *buffer;
@@ -313,7 +311,7 @@ struct efx_tx_buffer *efx_tx_map_chunk(struct efx_tx_queue *tx_queue,
return buffer;
}
int efx_tx_tso_header_length(struct sk_buff *skb)
static int efx_tx_tso_header_length(struct sk_buff *skb)
{
size_t header_len;
@@ -328,8 +326,8 @@ int efx_tx_tso_header_length(struct sk_buff *skb)
}
/* Map all data from an SKB for DMA and create descriptors on the queue. */
int efx_tx_map_data(struct efx_tx_queue *tx_queue, struct sk_buff *skb,
unsigned int segment_count)
int efx_siena_tx_map_data(struct efx_tx_queue *tx_queue, struct sk_buff *skb,
unsigned int segment_count)
{
struct efx_nic *efx = tx_queue->efx;
struct device *dma_dev = &efx->pci_dev->dev;
@@ -359,7 +357,7 @@ int efx_tx_map_data(struct efx_tx_queue *tx_queue, struct sk_buff *skb,
if (header_len != len) {
tx_queue->tso_long_headers++;
efx_tx_map_chunk(tx_queue, dma_addr, header_len);
efx_siena_tx_map_chunk(tx_queue, dma_addr, header_len);
len -= header_len;
dma_addr += header_len;
}
@@ -370,7 +368,7 @@ int efx_tx_map_data(struct efx_tx_queue *tx_queue, struct sk_buff *skb,
struct efx_tx_buffer *buffer;
skb_frag_t *fragment;
buffer = efx_tx_map_chunk(tx_queue, dma_addr, len);
buffer = efx_siena_tx_map_chunk(tx_queue, dma_addr, len);
/* The final descriptor for a fragment is responsible for
* unmapping the whole fragment.
@@ -402,7 +400,7 @@ int efx_tx_map_data(struct efx_tx_queue *tx_queue, struct sk_buff *skb,
} while (1);
}
unsigned int efx_tx_max_skb_descs(struct efx_nic *efx)
unsigned int efx_siena_tx_max_skb_descs(struct efx_nic *efx)
{
/* Header and payload descriptor for each output segment, plus
* one for every input fragment boundary within a segment
@@ -430,7 +428,8 @@ unsigned int efx_tx_max_skb_descs(struct efx_nic *efx)
*
* Returns 0 on success, error code otherwise.
*/
int efx_tx_tso_fallback(struct efx_tx_queue *tx_queue, struct sk_buff *skb)
int efx_siena_tx_tso_fallback(struct efx_tx_queue *tx_queue,
struct sk_buff *skb)
{
struct sk_buff *segments, *next;