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Commit 087d7a8c authored by Satish Baddipadige's avatar Satish Baddipadige Committed by David S. Miller
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tg3: Fix for diasllow rx coalescing time to be 0 



When the rx coalescing time is 0, interrupts
are not generated from the controller and rx path hangs.
To avoid this rx hang, updating the driver to not allow
rx coalescing time to be 0.

Signed-off-by: default avatarSatish Baddipadige <satish.baddipadige@broadcom.com>
Signed-off-by: default avatarSiva Reddy Kallam <siva.kallam@broadcom.com>
Signed-off-by: default avatarMichael Chan <michael.chan@broadcom.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 1f415a74

drivers/net/ethernet/broadcom/tg3.c

+1 −0
Original line number Diff line number Diff line
@@ -14014,6 +14014,7 @@ static int tg3_set_coalesce(struct net_device *dev, struct ethtool_coalesce *ec) 
	}



	if ((ec->rx_coalesce_usecs > MAX_RXCOL_TICKS) ||

	    (!ec->rx_coalesce_usecs) ||

	    (ec->tx_coalesce_usecs > MAX_TXCOL_TICKS) ||

	    (ec->rx_max_coalesced_frames > MAX_RXMAX_FRAMES) ||

	    (ec->tx_max_coalesced_frames > MAX_TXMAX_FRAMES) ||