Commit 1b6d55f2 authored Mar 30, 2018 by Vadim Lomovtsev Committed by David S. Miller Mar 31, 2018

net: thunderx: add workqueue control structures for handle ndo_set_rx_mode request

The kernel calls ndo_set_rx_mode() callback from atomic context which
causes messaging timeouts between VF and PF (as they’re implemented via
MSIx). So in order to handle ndo_set_rx_mode() we need to get rid of it.

This commit implements necessary workqueue related structures to let VF
queue kernel request processing in non-atomic context later.

Signed-off-by: Vadim Lomovtsev <Vadim.Lomovtsev@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

parent aba4a263

drivers/net/ethernet/cavium/thunder/nic.h

+17 −0

Original line number	Diff line number	Diff line
		@@ -265,6 +265,22 @@ struct nicvf_drv_stats {

		struct cavium_ptp;

		struct xcast_addr {
		struct list_head list;
		u64 addr;
		};

		struct xcast_addr_list {
		struct list_head list;
		int count;
		};

		struct nicvf_work {
		struct delayed_work work;
		u8 mode;
		struct xcast_addr_list *mc;
		};

		struct nicvf {
		struct nicvf *pnicvf;
		struct net_device *netdev;
		@@ -313,6 +329,7 @@ struct nicvf {
		struct nicvf_pfc pfc;
		struct tasklet_struct qs_err_task;
		struct work_struct reset_task;
		struct nicvf_work rx_mode_work;

		/* PTP timestamp */
		struct cavium_ptp *ptp_clock;