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Wed, 1 Jul 2020 15:56:11 +0100 From: Edward Cree Subject: [PATCH net-next 15/15] sfc_ef100: helper function to set default RSS table of given size To: , CC: References: <3fa88508-024e-2d33-0629-bf63b558b515@solarflare.com> Message-ID: Date: Wed, 1 Jul 2020 15:56:08 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.2.2 MIME-Version: 1.0 In-Reply-To: <3fa88508-024e-2d33-0629-bf63b558b515@solarflare.com> Content-Language: en-GB X-Originating-IP: [10.17.20.203] X-ClientProxiedBy: ocex03.SolarFlarecom.com (10.20.40.36) To ukex01.SolarFlarecom.com (10.17.10.4) X-TM-AS-Product-Ver: SMEX-12.5.0.1300-8.6.1012-25514.003 X-TM-AS-Result: No-2.873300-8.000000-10 X-TMASE-MatchedRID: N75eWsF6AwhbbYRuf3nrh7sHVDDM5xAP1JP9NndNOkUGmHr1eMxt2UAc 6DyoS2rITvVMSfL26Emoj6x6DaIOXW6DRXsV2c8pD3uYMxd01bcoOyQJh7uOKLqln+jYe7ZhKUX RcEsnY+rjJFPDNR1ufmD90UpKqvEIr78SC5iivxw5f9Xw/xqKXXJnzNw42kCxxEHRux+uk8ifEz J5hPndGVJZeo8QBQDK4JAPDnTolZN9W3GTvpUpYics8B5GyA0AlgQLrXX3QqqL3KAiAaxhcCzm8 e0KpPrglJvWitpEfdPZZ2mps4Gk7RoQVhcDKUH1JRIzmbBpwaQgJCm6ypGLZ6Ol5oRXyhFEVlxr 1FJij9s= X-TM-AS-User-Approved-Sender: Yes X-TM-AS-User-Blocked-Sender: No X-TMASE-Result: 10--2.873300-8.000000 X-TMASE-Version: SMEX-12.5.0.1300-8.6.1012-25514.003 X-MDID: 1593615376-lpGVMUPUrxrf Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Signed-off-by: Edward Cree --- drivers/net/ethernet/sfc/mcdi_filters.c | 21 +++++++++++++++++++++ drivers/net/ethernet/sfc/mcdi_filters.h | 2 ++ 2 files changed, 23 insertions(+) diff --git a/drivers/net/ethernet/sfc/mcdi_filters.c b/drivers/net/ethernet/sfc/mcdi_filters.c index 283f68264b66..5a74d880b733 100644 --- a/drivers/net/ethernet/sfc/mcdi_filters.c +++ b/drivers/net/ethernet/sfc/mcdi_filters.c @@ -2276,3 +2276,24 @@ int efx_mcdi_vf_rx_push_rss_config(struct efx_nic *efx, bool user, return 0; return efx_mcdi_filter_rx_push_shared_rss_config(efx, NULL); } + +int efx_mcdi_push_default_indir_table(struct efx_nic *efx, + unsigned int rss_spread) +{ + int rc = 0; + + if (efx->rss_spread == rss_spread) + return 0; + + efx->rss_spread = rss_spread; + if (!efx->filter_state) + return 0; + + efx_mcdi_rx_free_indir_table(efx); + if (rss_spread > 1) { + efx_set_default_rx_indir_table(efx, &efx->rss_context); + rc = efx->type->rx_push_rss_config(efx, false, + efx->rss_context.rx_indir_table, NULL); + } + return rc; +} diff --git a/drivers/net/ethernet/sfc/mcdi_filters.h b/drivers/net/ethernet/sfc/mcdi_filters.h index 23f9d08d071d..06426aa9f2f3 100644 --- a/drivers/net/ethernet/sfc/mcdi_filters.h +++ b/drivers/net/ethernet/sfc/mcdi_filters.h @@ -155,6 +155,8 @@ int efx_mcdi_vf_rx_push_rss_config(struct efx_nic *efx, bool user, __attribute__ ((unused)), const u8 *key __attribute__ ((unused))); +int efx_mcdi_push_default_indir_table(struct efx_nic *efx, + unsigned int rss_spread); int efx_mcdi_rx_pull_rss_config(struct efx_nic *efx); int efx_mcdi_rx_pull_rss_context_config(struct efx_nic *efx, struct efx_rss_context *ctx);