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netpoll: netpoll_send_skb() returns transmit status

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Some callers want to know if the packet has been sent or
dropped, to inform upper stacks.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Eric Dumazet 2020-05-07 09:32:20 -07:00 • committed by David S. Miller
parent fb1eee476b
commit 1ddabdfaf7
2 changed files with 8 additions and 5 deletions
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2
include/linux/netpoll.h
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@ -63,7 +63,7 @@ int netpoll_setup(struct netpoll *np);
void __netpoll_cleanup(struct netpoll *np);
void __netpoll_free(struct netpoll *np);
void netpoll_cleanup(struct netpoll *np);
void netpoll_send_skb(struct netpoll *np, struct sk_buff *skb);
netdev_tx_t netpoll_send_skb(struct netpoll *np, struct sk_buff *skb);
#ifdef CONFIG_NETPOLL
static inline void *netpoll_poll_lock(struct napi_struct *napi)