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![]() vnet_event_napi() may be called as part of the NAPI ->poll, to resume reading descriptor rings. When no data is available, descriptor ring state (e.g., rcv_nxt) needs to be reset carefully to stay in lock-step with ldc_read(). In the interest of simplicity, the best way to do this is to return from vnet_event_napi() when there are no more packets to read. The next trip through ldc_rx will correctly set up the dring state. Signed-off-by: Sowmini Varadhan <sowmini.varadhan@oracle.com> Tested-by: David Stevens <david.stevens@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net> |
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cassini.c | ||
cassini.h | ||
Kconfig | ||
Makefile | ||
niu.c | ||
niu.h | ||
sunbmac.c | ||
sunbmac.h | ||
sungem.c | ||
sungem.h | ||
sunhme.c | ||
sunhme.h | ||
sunqe.c | ||
sunqe.h | ||
sunvnet.c | ||
sunvnet.h |