diff options
| author | Ben Hutchings <bhutchings@solarflare.com> | 2009-11-25 16:11:35 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2009-11-26 15:59:36 -0800 |
| commit | 55edc6e6ff728681ebc10d418222740705376664 (patch) | |
| tree | 66136e674adde15b9668f13d4e0486482b7f1851 /drivers/net/sfc/falcon.h | |
| parent | 1dfc5ceacd00365a9089e98643f4b26253d5a6aa (diff) | |
sfc: Split MAC stats DMA initiation and completion
From: Steve Hodgson <shodgson@solarflare.com>
Currently we initiate MAC stats DMA and busy-wait for completion when
stats are requested. We can improve on this with a periodic timer to
initiate and poll for stats, and opportunistically poll when stats are
requested.
Since efx_nic::stats_disable_count and efx_stats_{disable,enable}()
are Falcon-specific, rename them and move them accordingly.
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/sfc/falcon.h')
| -rw-r--r-- | drivers/net/sfc/falcon.h | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/drivers/net/sfc/falcon.h b/drivers/net/sfc/falcon.h index b331889ca46..61fab0a00cc 100644 --- a/drivers/net/sfc/falcon.h +++ b/drivers/net/sfc/falcon.h @@ -75,10 +75,18 @@ struct falcon_board { * struct falcon_nic_data - Falcon NIC state * @pci_dev2: Secondary function of Falcon A * @board: Board state and functions + * @stats_disable_count: Nest count for disabling statistics fetches + * @stats_pending: Is there a pending DMA of MAC statistics. + * @stats_timer: A timer for regularly fetching MAC statistics. + * @stats_dma_done: Pointer to the flag which indicates DMA completion. */ struct falcon_nic_data { struct pci_dev *pci_dev2; struct falcon_board board; + unsigned int stats_disable_count; + bool stats_pending; + struct timer_list stats_timer; + u32 *stats_dma_done; }; static inline struct falcon_board *falcon_board(struct efx_nic *efx) @@ -128,8 +136,6 @@ extern void falcon_remove_port(struct efx_nic *efx); /* MAC/PHY */ extern int falcon_switch_mac(struct efx_nic *efx); extern bool falcon_xaui_link_ok(struct efx_nic *efx); -extern int falcon_dma_stats(struct efx_nic *efx, - unsigned int done_offset); extern void falcon_drain_tx_fifo(struct efx_nic *efx); extern void falcon_deconfigure_mac_wrapper(struct efx_nic *efx); extern void falcon_reconfigure_mac_wrapper(struct efx_nic *efx); @@ -154,6 +160,8 @@ extern int falcon_flush_queues(struct efx_nic *efx); extern int falcon_reset_hw(struct efx_nic *efx, enum reset_type method); extern void falcon_remove_nic(struct efx_nic *efx); extern void falcon_update_nic_stats(struct efx_nic *efx); +extern void falcon_start_nic_stats(struct efx_nic *efx); +extern void falcon_stop_nic_stats(struct efx_nic *efx); extern void falcon_set_multicast_hash(struct efx_nic *efx); extern int falcon_reset_xaui(struct efx_nic *efx); |