[PATCH net 3/5] sfc: Reset derived rx_bad_bytes statistic when EF10 MC is rebooted
From: Ben Hutchings <hidden>
Date: 2013-09-17 00:12:31
Subsystem:
networking drivers, sfc network driver, the rest · Maintainers:
Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Edward Cree, Linus Torvalds
If the MC reboots then the stats it reports to us will have been reset. We need to reset ours to get efx_update_diff_stat() working properly. (This is a re-run of commit 876be083b669 'sfc: Reset driver's MAC stats after MC reboot seen'.) Signed-off-by: Ben Hutchings <redacted> --- drivers/net/ethernet/sfc/ef10.c | 5 +++++ 1 file changed, 5 insertions(+)
diff --git a/drivers/net/ethernet/sfc/ef10.c b/drivers/net/ethernet/sfc/ef10.c
index 357a6e5..80a6eea 100644
--- a/drivers/net/ethernet/sfc/ef10.c
+++ b/drivers/net/ethernet/sfc/ef10.c@@ -708,6 +708,11 @@ static int efx_ef10_mcdi_poll_reboot(struct efx_nic *efx) nic_data->must_restore_filters = true; nic_data->rx_rss_context = EFX_EF10_RSS_CONTEXT_INVALID; + /* MAC statistics have been cleared on the NIC; clear the local + * statistic that we update with efx_update_diff_stat(). + */ + nic_data->stats[EF10_STAT_rx_bad_bytes] = 0; + return -EIO; }
--
Ben Hutchings, Staff Engineer, Solarflare
Not speaking for my employer; that's the marketing department's job.
They asked us to note that Solarflare product names are trademarked.