Commit 79d124bb authored by Ronak Doshi's avatar Ronak Doshi Committed by David S. Miller
Browse files

vmxnet3: add support for ESP IPv6 RSS 



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: default avatarRonak Doshi <doshir@vmware.com>
Acked-by: default avatarGuolin Yang <gyang@vmware.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 15ccf2f4

drivers/net/vmxnet3/vmxnet3_ethtool.c

+20 −0
Original line number Diff line number Diff line
@@ -787,6 +787,10 @@ 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;
@@ -871,6 +875,22 @@ 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) ||