Messages in this thread Patch in this message | | | From | Ronak Doshi <> | Subject | [PATCH net-next 4/7] vmxnet3: add support for ESP IPv6 RSS | Date | Tue, 6 Jul 2021 13:03:08 -0700 |
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Vmxnet3 version 4 added support for ESP RSS. However, only IPv4 was supported. With vmxnet3 version 6, this patch enables RSS for ESP IPv6 packets as well.
Signed-off-by: Ronak Doshi <doshir@vmware.com> --- drivers/net/vmxnet3/vmxnet3_ethtool.c | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+)
diff --git a/drivers/net/vmxnet3/vmxnet3_ethtool.c b/drivers/net/vmxnet3/vmxnet3_ethtool.c index efb59f13227e..43122893e13c 100644 --- a/drivers/net/vmxnet3/vmxnet3_ethtool.c +++ b/drivers/net/vmxnet3/vmxnet3_ethtool.c @@ -769,6 +769,10 @@ vmxnet3_get_rss_hash_opts(struct vmxnet3_adapter *adapter, case AH_ESP_V6_FLOW: case AH_V6_FLOW: case ESP_V6_FLOW: + if (VMXNET3_VERSION_GE_6(adapter) && + (rss_fields & VMXNET3_RSS_FIELDS_ESPIP6)) + info->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3; + fallthrough; case SCTP_V6_FLOW: case IPV6_FLOW: info->data |= RXH_IP_SRC | RXH_IP_DST; @@ -853,6 +857,22 @@ vmxnet3_set_rss_hash_opt(struct net_device *netdev, case ESP_V6_FLOW: case AH_V6_FLOW: case AH_ESP_V6_FLOW: + if (!VMXNET3_VERSION_GE_6(adapter)) + return -EOPNOTSUPP; + if (!(nfc->data & RXH_IP_SRC) || + !(nfc->data & RXH_IP_DST)) + return -EINVAL; + switch (nfc->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) { + case 0: + rss_fields &= ~VMXNET3_RSS_FIELDS_ESPIP6; + break; + case (RXH_L4_B_0_1 | RXH_L4_B_2_3): + rss_fields |= VMXNET3_RSS_FIELDS_ESPIP6; + break; + default: + return -EINVAL; + } + break; case SCTP_V4_FLOW: case SCTP_V6_FLOW: if (!(nfc->data & RXH_IP_SRC) || -- 2.11.0
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