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| author | Alexandre Rames <arames@solarflare.com> | 2013-11-08 10:20:31 +0000 |
|---|---|---|
| committer | Ben Hutchings <bhutchings@solarflare.com> | 2013-12-06 22:27:41 +0000 |
| commit | 2ea4dc28a5bcec408e01a8772763871638a5ec79 (patch) | |
| tree | bb96ff4fdc285aa0ae708b22d2d7d31da2b0b1a9 /drivers/net/ethernet/sfc/efx.c | |
| parent | 35f9a7a380728a94d417e5824a866f969423ac83 (diff) | |
| download | lwn-2ea4dc28a5bcec408e01a8772763871638a5ec79.tar.gz lwn-2ea4dc28a5bcec408e01a8772763871638a5ec79.zip | |
sfc: Stop/re-start PTP when stopping/starting the datapath.
This disables PTP when we bring the interface down to avoid getting
unmatched RX timestamp events, and tries to re-enable it when bringing
the interface up.
[bwh: Make efx_ptp_stop() safe on Falcon. Introduce
efx_ptp_{start,stop}_datapath() functions; we'll expand them later.]
Fixes: 7c236c43b838 ('sfc: Add support for IEEE-1588 PTP')
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Diffstat (limited to 'drivers/net/ethernet/sfc/efx.c')
| -rw-r--r-- | drivers/net/ethernet/sfc/efx.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/net/ethernet/sfc/efx.c b/drivers/net/ethernet/sfc/efx.c index 2e27837ce6a2..8bd5b485f1bc 100644 --- a/drivers/net/ethernet/sfc/efx.c +++ b/drivers/net/ethernet/sfc/efx.c @@ -645,6 +645,8 @@ static void efx_start_datapath(struct efx_nic *efx) WARN_ON(channel->rx_pkt_n_frags); } + efx_ptp_start_datapath(efx); + if (netif_device_present(efx->net_dev)) netif_tx_wake_all_queues(efx->net_dev); } @@ -659,6 +661,8 @@ static void efx_stop_datapath(struct efx_nic *efx) EFX_ASSERT_RESET_SERIALISED(efx); BUG_ON(efx->port_enabled); + efx_ptp_stop_datapath(efx); + /* Stop RX refill */ efx_for_each_channel(channel, efx) { efx_for_each_channel_rx_queue(rx_queue, channel) |