diff options
| author | Shaun Ruffell <sruffell@digium.com> | 2010-02-25 17:33:58 +0000 |
|---|---|---|
| committer | Shaun Ruffell <sruffell@digium.com> | 2010-02-25 17:33:58 +0000 |
| commit | 36b4f0072fd8f20a7b3f46f917b7d5af86fceb7b (patch) | |
| tree | 91b3cb5df3309772ad6fb9584f73a25d156c4996 /drivers/dahdi/vpmadt032_loader | |
| parent | 9a449e1df5edc16fda2c47afe68e8e5cf54026ee (diff) | |
wctdm24xxp, wcte12xp: Buffer handling improvements.
This patch moves the majority of the buffer processing for the voicebus based
cards out of the interrupt handler and into a tasklet. When multiple cards are
running on the same CPU, and there was a latency condition that would cause them
to get behind, this now allows the tasklet to limit how many buffers are
processed on each card before giving the other card a chance to start working on
it's backlog.
Additionally, when the card detects a hard under run, instead of trying to fix
it up in the handling routine, it will now reschedule a work item that will
completely reset the descriptor rings.
git-svn-id: http://svn.asterisk.org/svn/dahdi/linux/trunk@8095 a0bf4364-ded3-4de4-8d8a-66a801d63aff
Diffstat (limited to 'drivers/dahdi/vpmadt032_loader')
| -rw-r--r-- | drivers/dahdi/vpmadt032_loader/dahdi_vpmadt032_loader.c | 18 |
1 files changed, 11 insertions, 7 deletions
diff --git a/drivers/dahdi/vpmadt032_loader/dahdi_vpmadt032_loader.c b/drivers/dahdi/vpmadt032_loader/dahdi_vpmadt032_loader.c index 04046bd..be43780 100644 --- a/drivers/dahdi/vpmadt032_loader/dahdi_vpmadt032_loader.c +++ b/drivers/dahdi/vpmadt032_loader/dahdi_vpmadt032_loader.c @@ -75,19 +75,23 @@ static void init_private_context(struct private_context *ctx) init_completion(&ctx->done); } -static void handle_receive(struct voicebus *vb, void *vbb) +static void handle_receive(struct voicebus *vb, struct list_head *buffers) { struct private_context *ctx = pci_get_drvdata(vb->pdev); - __vpmadt032_receive(ctx->pvt, vbb); - if (__vpmadt032_done(ctx->pvt)) - complete(&ctx->done); + struct vbb *vbb; + list_for_each_entry(vbb, buffers, entry) { + __vpmadt032_receive(ctx->pvt, vbb->data); + if (__vpmadt032_done(ctx->pvt)) + complete(&ctx->done); + } } -static void handle_transmit(struct voicebus *vb, void *vbb) +static void handle_transmit(struct voicebus *vb, struct list_head *buffers) { + struct vbb *vbb; struct private_context *ctx = pci_get_drvdata(vb->pdev); - __vpmadt032_transmit(ctx->pvt, vbb); - voicebus_transmit(ctx->vb, vbb); + list_for_each_entry(vbb, buffers, entry) + __vpmadt032_transmit(ctx->pvt, vbb->data); } static const struct voicebus_operations loader_operations = { |