From: Vadim Lomovtsev <Vadim.Lomovtsev@cavium.com>
Date: Fri, 30 Mar 2018 04:59:52 -0700
Subject: net: thunderx: add workqueue control structures for handle
ndo_set_rx_mode request
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Patch-mainline: v4.17-rc1
Git-commit: 1b6d55f23948df5ea2b9f59b766bed91fb609b99
References: bsc#1110096
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>
Acked-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
---
drivers/net/ethernet/cavium/thunder/nic.h | 17 +++++++++++++++++
1 file changed, 17 insertions(+)
--- a/drivers/net/ethernet/cavium/thunder/nic.h
+++ b/drivers/net/ethernet/cavium/thunder/nic.h
@@ -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;