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netdev_lowerhalf: add reclaim callback in netdev_ops_s

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Signed-off-by: zhanghongyu <zhanghongyu@xiaomi.com>
This commit is contained in:
zhanghongyu
2024-08-05 18:02:36 +08:00
committed by Xiang Xiao
parent ff7eda46e7
commit d740a8e73c
2 changed files with 14 additions and 1 deletions
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drivers/net/netdev_upperhalf.c
+10 -1
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@@ -264,7 +264,16 @@ netdev_upper_alloc(FAR struct netdev_lowerhalf_s *dev)
static inline bool netdev_upper_can_tx(FAR struct netdev_upperhalf_s *upper) static inline bool netdev_upper_can_tx(FAR struct netdev_upperhalf_s *upper)
{ {
return netdev_lower_quota_load(upper->lower, NETPKT_TX) > 0; FAR struct netdev_lowerhalf_s *lower = upper->lower;
int quota = netdev_lower_quota_load(lower, NETPKT_TX);
if (quota <= 0 && lower->ops->reclaim)
{
lower->ops->reclaim(lower);
quota = netdev_lower_quota_load(lower, NETPKT_TX);
}
return quota > 0;
} }
/**************************************************************************** /****************************************************************************
include/nuttx/net/netdev_lowerhalf.h
+4
View File
@@ -168,6 +168,10 @@ struct netdev_ops_s
int (*ioctl)(FAR struct netdev_lowerhalf_s *dev, int cmd, int (*ioctl)(FAR struct netdev_lowerhalf_s *dev, int cmd,
unsigned long arg); unsigned long arg);
#endif #endif
/* reclaim - try to reclaim packets sent by netdev. */
void (*reclaim)(FAR struct netdev_lowerhalf_s *dev);
}; };
/* This structure is a set of wireless handlers, leave unsupported operations /* This structure is a set of wireless handlers, leave unsupported operations