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

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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>
This commit is contained in:
Vadim Lomovtsev 2018-03-30 04:59:52 -07:00 committed by David S. Miller
parent aba4a2633b
commit 1b6d55f239
1 changed files with 17 additions and 0 deletions
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17
drivers/net/ethernet/cavium/thunder/nic.h
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@ -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;