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Commit 75363a46 authored by Eric W. Biederman's avatar Eric W. Biederman Committed by David S. Miller
Browse files

sfc: Don't receive packets when the napi budget == 0 



Processing any incoming packets with a with a napi budget of 0
is incorrect driver behavior.

This matters as netpoll will shortly call drivers with a budget of 0
to avoid receive packet processing happening in hard irq context.

Signed-off-by: default avatar"Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent c7b82cc8

drivers/net/ethernet/sfc/ef10.c

+3 −0
Original line number Diff line number Diff line
@@ -1955,6 +1955,9 @@ static int efx_ef10_ev_process(struct efx_channel *channel, int quota) 
	int tx_descs = 0;

	int spent = 0;



	if (quota <= 0)

		return spent;



	read_ptr = channel->eventq_read_ptr;



	for (;;) {

drivers/net/ethernet/sfc/farch.c

+3 −0
Original line number Diff line number Diff line
@@ -1248,6 +1248,9 @@ int efx_farch_ev_process(struct efx_channel *channel, int budget) 
	int tx_packets = 0;

	int spent = 0;



	if (budget <= 0)

		return spent;



	read_ptr = channel->eventq_read_ptr;



	for (;;) {