diff options
| author | Edward Cree <ecree.xilinx@gmail.com> | 2022-07-20 19:33:49 +0100 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2022-07-22 12:50:06 +0100 |
| commit | 84e7fc2591f72987b43da91b3fdb01a196204379 (patch) | |
| tree | fd549f83fe8bf945f1a156eb0ef646a1f7625e60 /drivers/net/ethernet/sfc/efx.h | |
| parent | f72c38fad234759fe943cb2e40bf3d0f7de1d4d9 (diff) | |
| download | linux-84e7fc2591f72987b43da91b3fdb01a196204379.tar.bz2 | |
sfc: attach/detach EF100 representors along with their owning PF
Since representors piggy-back on the PF's queues for TX, they can
only accept new TXes while the PF is up. Thus, any operation which
detaches the PF must first detach all its VFreps.
Signed-off-by: Edward Cree <ecree.xilinx@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/sfc/efx.h')
| -rw-r--r-- | drivers/net/ethernet/sfc/efx.h | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/drivers/net/ethernet/sfc/efx.h b/drivers/net/ethernet/sfc/efx.h index c05a83da9e44..4239c7ece123 100644 --- a/drivers/net/ethernet/sfc/efx.h +++ b/drivers/net/ethernet/sfc/efx.h @@ -12,6 +12,7 @@ #include "net_driver.h" #include "ef100_rx.h" #include "ef100_tx.h" +#include "efx_common.h" #include "filter.h" int efx_net_open(struct net_device *net_dev); @@ -206,6 +207,9 @@ static inline void efx_device_detach_sync(struct efx_nic *efx) { struct net_device *dev = efx->net_dev; + /* We must stop reps (which use our TX) before we stop ourselves. */ + efx_detach_reps(efx); + /* Lock/freeze all TX queues so that we can be sure the * TX scheduler is stopped when we're done and before * netif_device_present() becomes false. @@ -217,8 +221,11 @@ static inline void efx_device_detach_sync(struct efx_nic *efx) static inline void efx_device_attach_if_not_resetting(struct efx_nic *efx) { - if ((efx->state != STATE_DISABLED) && !efx->reset_pending) + if ((efx->state != STATE_DISABLED) && !efx->reset_pending) { netif_device_attach(efx->net_dev); + if (efx->state == STATE_NET_UP) + efx_attach_reps(efx); + } } static inline bool efx_rwsem_assert_write_locked(struct rw_semaphore *sem) |