diff options
| author |   Edward Cree <ecree@solarflare.com> | 2017-01-17 12:02:12 +0000 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2017-01-17 15:49:52 -0500 |
| commit | a707d18851a3bab517e21a6449806e468703bc3d (patch) | |
| tree | 96ef17cb3a7add82649c6c0ed61ae32fb40ce357 /drivers/net/ethernet/sfc/farch.c | |
| parent | sfc: support setting RSS hash key through ethtool API (diff) | |
| download | linux-dev-a707d18851a3bab517e21a6449806e468703bc3d.tar.xz linux-dev-a707d18851a3bab517e21a6449806e468703bc3d.zip | |
sfc: read back RX hash config from the NIC when querying it with ethtool -x
Ensures that we report the key and indirection table the NIC is using,
rather than (if setting them failed earlier) what we wanted it to use.
Signed-off-by: Edward Cree <ecree@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/sfc/farch.c')
| -rw-r--r-- | drivers/net/ethernet/sfc/farch.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/drivers/net/ethernet/sfc/farch.c b/drivers/net/ethernet/sfc/farch.c index e4ca2161af70..ba45150f53c7 100644 --- a/drivers/net/ethernet/sfc/farch.c +++ b/drivers/net/ethernet/sfc/farch.c @@ -1649,6 +1649,22 @@ void efx_farch_rx_push_indir_table(struct efx_nic *efx) } } +void efx_farch_rx_pull_indir_table(struct efx_nic *efx) +{ + size_t i = 0; + efx_dword_t dword; + + BUILD_BUG_ON(ARRAY_SIZE(efx->rx_indir_table) != + FR_BZ_RX_INDIRECTION_TBL_ROWS); + + for (i = 0; i < FR_BZ_RX_INDIRECTION_TBL_ROWS; i++) { + efx_readd(efx, &dword, + FR_BZ_RX_INDIRECTION_TBL + + FR_BZ_RX_INDIRECTION_TBL_STEP * i); + efx->rx_indir_table[i] = EFX_DWORD_FIELD(dword, FRF_BZ_IT_QUEUE); + } +} + /* Looks at available SRAM resources and works out how many queues we * can support, and where things like descriptor caches should live. * |