diff options
Diffstat (limited to 'drivers/net/sfc/efx.h')
| -rw-r--r-- | drivers/net/sfc/efx.h | 22 |
1 files changed, 14 insertions, 8 deletions
diff --git a/drivers/net/sfc/efx.h b/drivers/net/sfc/efx.h index 060dc952a0fd..e783c0fedfd8 100644 --- a/drivers/net/sfc/efx.h +++ b/drivers/net/sfc/efx.h @@ -37,8 +37,6 @@ efx_enqueue_skb(struct efx_tx_queue *tx_queue, struct sk_buff *skb); extern void efx_xmit_done(struct efx_tx_queue *tx_queue, unsigned int index); extern void efx_stop_queue(struct efx_channel *channel); extern void efx_wake_queue(struct efx_channel *channel); -#define EFX_TXQ_SIZE 1024 -#define EFX_TXQ_MASK (EFX_TXQ_SIZE - 1) /* RX */ extern int efx_probe_rx_queue(struct efx_rx_queue *rx_queue); @@ -53,13 +51,23 @@ extern void __efx_rx_packet(struct efx_channel *channel, extern void efx_rx_packet(struct efx_rx_queue *rx_queue, unsigned int index, unsigned int len, bool checksummed, bool discard); extern void efx_schedule_slow_fill(struct efx_rx_queue *rx_queue); -#define EFX_RXQ_SIZE 1024 -#define EFX_RXQ_MASK (EFX_RXQ_SIZE - 1) + +#define EFX_MAX_DMAQ_SIZE 4096UL +#define EFX_DEFAULT_DMAQ_SIZE 1024UL +#define EFX_MIN_DMAQ_SIZE 512UL + +#define EFX_MAX_EVQ_SIZE 16384UL +#define EFX_MIN_EVQ_SIZE 512UL + +/* The smallest [rt]xq_entries that the driver supports. Callers of + * efx_wake_queue() assume that they can subsequently send at least one + * skb. Falcon/A1 may require up to three descriptors per skb_frag. */ +#define EFX_MIN_RING_SIZE (roundup_pow_of_two(2 * 3 * MAX_SKB_FRAGS)) /* Channels */ extern void efx_process_channel_now(struct efx_channel *channel); -#define EFX_EVQ_SIZE 4096 -#define EFX_EVQ_MASK (EFX_EVQ_SIZE - 1) +extern int +efx_realloc_channels(struct efx_nic *efx, u32 rxq_entries, u32 txq_entries); /* Ports */ extern int efx_reconfigure_port(struct efx_nic *efx); @@ -81,8 +89,6 @@ extern int efx_reset_up(struct efx_nic *efx, enum reset_type method, bool ok); extern void efx_schedule_reset(struct efx_nic *efx, enum reset_type type); extern void efx_init_irq_moderation(struct efx_nic *efx, int tx_usecs, int rx_usecs, bool rx_adaptive); -extern int efx_request_power(struct efx_nic *efx, int mw, const char *name); -extern void efx_hex_dump(const u8 *, unsigned int, const char *); /* Dummy PHY ops for PHY drivers */ extern int efx_port_dummy_op_int(struct efx_nic *efx); |