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octeontx2-pf: Clear RSS enable flag on interace down

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[ Upstream commit f12098ce9b43e1a6fcaa524acbd90f9118a74c0a ]

RSS configuration can not be get/set when interface is in down state
as they required mbox communication. RSS enable flag status
is used for set/get configuration. Current code do not clear the
RSS enable flag on interface down which lead to mbox error while
trying to set/get RSS configuration.

Fixes: 85069e95e5 ("octeontx2-pf: Receive side scaling support")
Signed-off-by: Geetha sowjanya <gakula@marvell.com>
Signed-off-by: Hariprasad Kelam <hkelam@marvell.com>
Signed-off-by: Sunil Kovvuri Goutham <sgoutham@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Geetha sowjanya 2021-03-18 19:45:47 +05:30 committed by Greg Kroah-Hartman
parent 11e94cfa9d
commit b553f45c76
1 changed files with 5 additions and 0 deletions
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5
drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c
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@ -1616,6 +1616,7 @@ int otx2_stop(struct net_device *netdev)
struct otx2_nic *pf = netdev_priv(netdev);
struct otx2_cq_poll *cq_poll = NULL;
struct otx2_qset *qset = &pf->qset;
struct otx2_rss_info *rss;
int qidx, vec, wrk;
netif_carrier_off(netdev);
@ -1628,6 +1629,10 @@ int otx2_stop(struct net_device *netdev)
/* First stop packet Rx/Tx */
otx2_rxtx_enable(pf, false);
/* Clear RSS enable flag */
rss = &pf->hw.rss_info;
rss->enable = false;
/* Cleanup Queue IRQ */
vec = pci_irq_vector(pf->pdev,
pf->hw.nix_msixoff + NIX_LF_QINT_VEC_START);