diff options
| author | Ben Hutchings <bhutchings@solarflare.com> | 2009-11-25 16:09:55 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2009-11-26 15:59:19 -0800 |
| commit | 127e6e10ad17585c48cba8e1dcf30d98b90ee583 (patch) | |
| tree | 7c66f03e88b0f1aef5bb6d4f42724bd1fe7b5538 /drivers/net/sfc/net_driver.h | |
| parent | 44838a447de3b1541cbf845853c4f8999310b0dd (diff) | |
sfc: Fix bugs in RX queue flushing
Avoid overrunning the hardware limit of 4 concurrent RX queue flushes.
Expand the queue flush state to support this. Make similar changes to
TX flushing to keep the code symmetric.
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/sfc/net_driver.h')
| -rw-r--r-- | drivers/net/sfc/net_driver.h | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/drivers/net/sfc/net_driver.h b/drivers/net/sfc/net_driver.h index ac808d5f24a0..d0755ab056fe 100644 --- a/drivers/net/sfc/net_driver.h +++ b/drivers/net/sfc/net_driver.h @@ -113,6 +113,13 @@ struct efx_special_buffer { int entries; }; +enum efx_flush_state { + FLUSH_NONE, + FLUSH_PENDING, + FLUSH_FAILED, + FLUSH_DONE, +}; + /** * struct efx_tx_buffer - An Efx TX buffer * @skb: The associated socket buffer. @@ -189,7 +196,7 @@ struct efx_tx_queue { struct efx_nic *nic; struct efx_tx_buffer *buffer; struct efx_special_buffer txd; - bool flushed; + enum efx_flush_state flushed; /* Members used mainly on the completion path */ unsigned int read_count ____cacheline_aligned_in_smp; @@ -284,7 +291,7 @@ struct efx_rx_queue { struct page *buf_page; dma_addr_t buf_dma_addr; char *buf_data; - bool flushed; + enum efx_flush_state flushed; }; /** |