Merge branch 'net-mvpp2-misc-improvements'
Thomas Petazzoni says: ==================== net: mvpp2: misc improvements Here are a few patches making various small improvements/refactoring in the mvpp2 driver. They are based on today's net-next. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
commit
ea9fc3c5b2
|
@ -3917,17 +3917,6 @@ static void *mvpp2_buf_alloc(struct mvpp2_port *port,
|
|||
return data;
|
||||
}
|
||||
|
||||
/* Set pool number in a BM cookie */
|
||||
static inline u32 mvpp2_bm_cookie_pool_set(u32 cookie, int pool)
|
||||
{
|
||||
u32 bm;
|
||||
|
||||
bm = cookie & ~(0xFF << MVPP2_BM_COOKIE_POOL_OFFS);
|
||||
bm |= ((pool & 0xFF) << MVPP2_BM_COOKIE_POOL_OFFS);
|
||||
|
||||
return bm;
|
||||
}
|
||||
|
||||
/* Release buffer to BM */
|
||||
static inline void mvpp2_bm_pool_put(struct mvpp2_port *port, int pool,
|
||||
dma_addr_t buf_dma_addr,
|
||||
|
@ -3964,14 +3953,6 @@ static inline void mvpp2_bm_pool_put(struct mvpp2_port *port, int pool,
|
|||
put_cpu();
|
||||
}
|
||||
|
||||
/* Refill BM pool */
|
||||
static void mvpp2_pool_refill(struct mvpp2_port *port, int pool,
|
||||
dma_addr_t dma_addr,
|
||||
phys_addr_t phys_addr)
|
||||
{
|
||||
mvpp2_bm_pool_put(port, pool, dma_addr, phys_addr);
|
||||
}
|
||||
|
||||
/* Allocate buffers for the pool */
|
||||
static int mvpp2_bm_bufs_add(struct mvpp2_port *port,
|
||||
struct mvpp2_bm_pool *bm_pool, int buf_num)
|
||||
|
@ -4162,7 +4143,10 @@ static inline void mvpp2_interrupts_disable(struct mvpp2_port *port)
|
|||
MVPP2_ISR_DISABLE_INTERRUPT(cpu_mask));
|
||||
}
|
||||
|
||||
/* Mask the current CPU's Rx/Tx interrupts */
|
||||
/* Mask the current CPU's Rx/Tx interrupts
|
||||
* Called by on_each_cpu(), guaranteed to run with migration disabled,
|
||||
* using smp_processor_id() is OK.
|
||||
*/
|
||||
static void mvpp2_interrupts_mask(void *arg)
|
||||
{
|
||||
struct mvpp2_port *port = arg;
|
||||
|
@ -4171,7 +4155,10 @@ static void mvpp2_interrupts_mask(void *arg)
|
|||
MVPP2_ISR_RX_TX_MASK_REG(port->id), 0);
|
||||
}
|
||||
|
||||
/* Unmask the current CPU's Rx/Tx interrupts */
|
||||
/* Unmask the current CPU's Rx/Tx interrupts.
|
||||
* Called by on_each_cpu(), guaranteed to run with migration disabled,
|
||||
* using smp_processor_id() is OK.
|
||||
*/
|
||||
static void mvpp2_interrupts_unmask(void *arg)
|
||||
{
|
||||
struct mvpp2_port *port = arg;
|
||||
|
@ -4554,7 +4541,11 @@ mvpp2_txq_next_desc_get(struct mvpp2_tx_queue *txq)
|
|||
return txq->descs + tx_desc;
|
||||
}
|
||||
|
||||
/* Update HW with number of aggregated Tx descriptors to be sent */
|
||||
/* Update HW with number of aggregated Tx descriptors to be sent
|
||||
*
|
||||
* Called only from mvpp2_tx(), so migration is disabled, using
|
||||
* smp_processor_id() is OK.
|
||||
*/
|
||||
static void mvpp2_aggr_txq_pend_desc_add(struct mvpp2_port *port, int pending)
|
||||
{
|
||||
/* aggregated access - relevant TXQ number is written in TX desc */
|
||||
|
@ -4565,6 +4556,9 @@ static void mvpp2_aggr_txq_pend_desc_add(struct mvpp2_port *port, int pending)
|
|||
|
||||
/* Check if there are enough free descriptors in aggregated txq.
|
||||
* If not, update the number of occupied descriptors and repeat the check.
|
||||
*
|
||||
* Called only from mvpp2_tx(), so migration is disabled, using
|
||||
* smp_processor_id() is OK.
|
||||
*/
|
||||
static int mvpp2_aggr_desc_num_check(struct mvpp2 *priv,
|
||||
struct mvpp2_tx_queue *aggr_txq, int num)
|
||||
|
@ -4583,7 +4577,12 @@ static int mvpp2_aggr_desc_num_check(struct mvpp2 *priv,
|
|||
return 0;
|
||||
}
|
||||
|
||||
/* Reserved Tx descriptors allocation request */
|
||||
/* Reserved Tx descriptors allocation request
|
||||
*
|
||||
* Called only from mvpp2_txq_reserved_desc_num_proc(), itself called
|
||||
* only by mvpp2_tx(), so migration is disabled, using
|
||||
* smp_processor_id() is OK.
|
||||
*/
|
||||
static int mvpp2_txq_alloc_reserved_desc(struct mvpp2 *priv,
|
||||
struct mvpp2_tx_queue *txq, int num)
|
||||
{
|
||||
|
@ -4687,6 +4686,10 @@ static u32 mvpp2_txq_desc_csum(int l3_offs, int l3_proto,
|
|||
/* Get number of sent descriptors and decrement counter.
|
||||
* The number of sent descriptors is returned.
|
||||
* Per-CPU access
|
||||
*
|
||||
* Called only from mvpp2_txq_done(), called from mvpp2_tx()
|
||||
* (migration disabled) and from the TX completion tasklet (migration
|
||||
* disabled) so using smp_processor_id() is OK.
|
||||
*/
|
||||
static inline int mvpp2_txq_sent_desc_proc(struct mvpp2_port *port,
|
||||
struct mvpp2_tx_queue *txq)
|
||||
|
@ -4701,6 +4704,9 @@ static inline int mvpp2_txq_sent_desc_proc(struct mvpp2_port *port,
|
|||
MVPP2_TRANSMITTED_COUNT_OFFSET;
|
||||
}
|
||||
|
||||
/* Called through on_each_cpu(), so runs on all CPUs, with migration
|
||||
* disabled, therefore using smp_processor_id() is OK.
|
||||
*/
|
||||
static void mvpp2_txq_sent_counter_clear(void *arg)
|
||||
{
|
||||
struct mvpp2_port *port = arg;
|
||||
|
@ -5001,7 +5007,7 @@ static void mvpp2_rxq_drop_pkts(struct mvpp2_port *port,
|
|||
pool = (status & MVPP2_RXD_BM_POOL_ID_MASK) >>
|
||||
MVPP2_RXD_BM_POOL_ID_OFFS;
|
||||
|
||||
mvpp2_pool_refill(port, pool,
|
||||
mvpp2_bm_pool_put(port, pool,
|
||||
mvpp2_rxdesc_dma_addr_get(port, rx_desc),
|
||||
mvpp2_rxdesc_cookie_get(port, rx_desc));
|
||||
}
|
||||
|
@ -5455,7 +5461,7 @@ static int mvpp2_rx_refill(struct mvpp2_port *port,
|
|||
if (!buf)
|
||||
return -ENOMEM;
|
||||
|
||||
mvpp2_pool_refill(port, pool, dma_addr, phys_addr);
|
||||
mvpp2_bm_pool_put(port, pool, dma_addr, phys_addr);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
@ -5539,7 +5545,7 @@ err_drop_frame:
|
|||
dev->stats.rx_errors++;
|
||||
mvpp2_rx_error(port, rx_desc);
|
||||
/* Return the buffer to the pool */
|
||||
mvpp2_pool_refill(port, pool, dma_addr, phys_addr);
|
||||
mvpp2_bm_pool_put(port, pool, dma_addr, phys_addr);
|
||||
continue;
|
||||
}
|
||||
|
||||
|
|
Loading…
Reference in a new issue