diff options
| author | Michal Kazior <michal.kazior@tieto.com> | 2014-08-22 14:33:14 +0200 |
|---|---|---|
| committer | Kalle Valo <kvalo@qca.qualcomm.com> | 2014-08-25 11:31:47 +0300 |
| commit | 728f95eef5238bffdb20e511f5cd553321d404c3 (patch) | |
| tree | f3603b906f383d3c33908ba32aafef90fd56db2e /drivers/net/wireless/ath/ath10k/ce.h | |
| parent | 5c771e7454d148af35e8b4297d00f880de79ea49 (diff) | |
| download | linux-728f95eef5238bffdb20e511f5cd553321d404c3.tar.gz | |
ath10k: rework posting pci rx buffers
It was possible on a host system running low on
memory to end up with no rx buffers on pci pipes.
This makes the driver more robust as it won't fail
to start if it can't allocate all rx buffers right
away. If it is fatal then upper layers will notice
trouble anyway.
Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Diffstat (limited to 'drivers/net/wireless/ath/ath10k/ce.h')
| -rw-r--r-- | drivers/net/wireless/ath/ath10k/ce.h | 16 |
1 files changed, 3 insertions, 13 deletions
diff --git a/drivers/net/wireless/ath/ath10k/ce.h b/drivers/net/wireless/ath/ath10k/ce.h index d48dbb972004..82d1f23546b9 100644 --- a/drivers/net/wireless/ath/ath10k/ce.h +++ b/drivers/net/wireless/ath/ath10k/ce.h @@ -166,19 +166,9 @@ int ath10k_ce_num_free_src_entries(struct ath10k_ce_pipe *pipe); /*==================Recv=======================*/ -/* - * Make a buffer available to receive. The buffer must be at least of a - * minimal size appropriate for this copy engine (src_sz_max attribute). - * ce - which copy engine to use - * per_transfer_recv_context - context passed back to caller's recv_cb - * buffer - address of buffer in CE space - * Returns 0 on success; otherwise an error status. - * - * Implemenation note: Pushes a buffer to Dest ring. - */ -int ath10k_ce_recv_buf_enqueue(struct ath10k_ce_pipe *ce_state, - void *per_transfer_recv_context, - u32 buffer); +int __ath10k_ce_rx_num_free_bufs(struct ath10k_ce_pipe *pipe); +int __ath10k_ce_rx_post_buf(struct ath10k_ce_pipe *pipe, void *ctx, u32 paddr); +int ath10k_ce_rx_post_buf(struct ath10k_ce_pipe *pipe, void *ctx, u32 paddr); /* recv flags */ /* Data is byte-swapped */ |