lkml.org 
[lkml]   [2022]   [Jul]   [27]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH net-next] vmxnet3: do not reschedule napi for rx processing
Date
Commit '2c5a5748105a ("vmxnet3: add support for out of order rx
completion")' added support for out of order rx completion. Within
that patch, an enhancement was done to reschedule napi for processing
rx completions.

However, it can lead to missing an interrupt. So, this patch reverts
that part of the code.

Fixes: 2c5a5748105a ("vmxnet3: add support for out of order rx completion")
Signed-off-by: Ronak Doshi <doshir@vmware.com>
Acked-by: Guolin Yang <gyang@vmware.com>
---
drivers/net/vmxnet3/vmxnet3_drv.c | 9 ---------
1 file changed, 9 deletions(-)

diff --git a/drivers/net/vmxnet3/vmxnet3_drv.c b/drivers/net/vmxnet3/vmxnet3_drv.c
index dd831adbc1d1..53b3b241e027 100644
--- a/drivers/net/vmxnet3/vmxnet3_drv.c
+++ b/drivers/net/vmxnet3/vmxnet3_drv.c
@@ -2075,17 +2075,8 @@ vmxnet3_poll_rx_only(struct napi_struct *napi, int budget)
rxd_done = vmxnet3_rq_rx_complete(rq, adapter, budget);

if (rxd_done < budget) {
- struct Vmxnet3_RxCompDesc *rcd;
-#ifdef __BIG_ENDIAN_BITFIELD
- struct Vmxnet3_RxCompDesc rxComp;
-#endif
napi_complete_done(napi, rxd_done);
vmxnet3_enable_intr(adapter, rq->comp_ring.intr_idx);
- /* after unmasking the interrupt, check if any descriptors were completed */
- vmxnet3_getRxComp(rcd, &rq->comp_ring.base[rq->comp_ring.next2proc].rcd,
- &rxComp);
- if (rcd->gen == rq->comp_ring.gen && napi_reschedule(napi))
- vmxnet3_disable_intr(adapter, rq->comp_ring.intr_idx);
}
return rxd_done;
}
--
2.11.0
\
 
 \ /
  Last update: 2022-07-27 20:38    [W:2.037 / U:0.004 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site