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author | David S. Miller <davem@davemloft.net> | 2017-10-30 14:10:01 +0900 |
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committer | David S. Miller <davem@davemloft.net> | 2017-10-30 21:09:24 +0900 |
commit | e1ea2f9856b765a2eaabb403a6751f70efc9ba4c (patch) | |
tree | 771f0f96fdab1b27757730e96d911c73f5499ee4 /drivers/net/ethernet/intel/e1000/e1000_main.c | |
parent | aad93c70b9a3b80dbc383a31e77a119f69bdd856 (diff) | |
parent | 0b07194bb55ed836c2cc7c22e866b87a14681984 (diff) | |
download | op-kernel-dev-e1ea2f9856b765a2eaabb403a6751f70efc9ba4c.zip op-kernel-dev-e1ea2f9856b765a2eaabb403a6751f70efc9ba4c.tar.gz |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Several conflicts here.
NFP driver bug fix adding nfp_netdev_is_nfp_repr() check to
nfp_fl_output() needed some adjustments because the code block is in
an else block now.
Parallel additions to net/pkt_cls.h and net/sch_generic.h
A bug fix in __tcp_retransmit_skb() conflicted with some of
the rbtree changes in net-next.
The tc action RCU callback fixes in 'net' had some overlap with some
of the recent tcf_block reworking.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/intel/e1000/e1000_main.c')
-rw-r--r-- | drivers/net/ethernet/intel/e1000/e1000_main.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/drivers/net/ethernet/intel/e1000/e1000_main.c b/drivers/net/ethernet/intel/e1000/e1000_main.c index 98375e1..1982f79 100644 --- a/drivers/net/ethernet/intel/e1000/e1000_main.c +++ b/drivers/net/ethernet/intel/e1000/e1000_main.c @@ -520,8 +520,6 @@ void e1000_down(struct e1000_adapter *adapter) struct net_device *netdev = adapter->netdev; u32 rctl, tctl; - netif_carrier_off(netdev); - /* disable receives in the hardware */ rctl = er32(RCTL); ew32(RCTL, rctl & ~E1000_RCTL_EN); @@ -537,6 +535,15 @@ void e1000_down(struct e1000_adapter *adapter) E1000_WRITE_FLUSH(); msleep(10); + /* Set the carrier off after transmits have been disabled in the + * hardware, to avoid race conditions with e1000_watchdog() (which + * may be running concurrently to us, checking for the carrier + * bit to decide whether it should enable transmits again). Such + * a race condition would result into transmission being disabled + * in the hardware until the next IFF_DOWN+IFF_UP cycle. + */ + netif_carrier_off(netdev); + napi_disable(&adapter->napi); e1000_irq_disable(adapter); |