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Commit c7b82cc8 authored by Eric W. Biederman's avatar Eric W. Biederman Committed by David S. Miller
Browse files

vxge: 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 176f792f

drivers/net/ethernet/neterion/vxge/vxge-main.c

+4 −0
Original line number Diff line number Diff line
@@ -368,6 +368,9 @@ vxge_rx_1b_compl(struct __vxge_hw_ring *ringh, void *dtr, 
	vxge_debug_entryexit(VXGE_TRACE, "%s: %s:%d",

		ring->ndev->name, __func__, __LINE__);



	if (ring->budget <= 0)

		goto out;



	do {

		prefetch((char *)dtr + L1_CACHE_BYTES);

		rx_priv = vxge_hw_ring_rxd_private_get(dtr);
@@ -525,6 +528,7 @@ vxge_rx_1b_compl(struct __vxge_hw_ring *ringh, void *dtr, 
	if (first_dtr)

		vxge_hw_ring_rxd_post_post_wmb(ringh, first_dtr);



out:

	vxge_debug_entryexit(VXGE_TRACE,

				"%s:%d  Exiting...",

				__func__, __LINE__);