Signed-off-by: Edward Cree <ec...@solarflare.com>
---
Haven't yet tried to write the ethtool client end of this (or a driver
implementation), but does it look reasonable?
include/uapi/linux/ethtool.h | 30 +++++++++++++++++++++++++-----
1 file changed, 25 insertions(+), 5 deletions(-)
diff --git a/include/uapi/linux/ethtool.h b/include/uapi/linux/ethtool.h
index 57fa390..74bef53 100644
--- a/include/uapi/linux/ethtool.h
+++ b/include/uapi/linux/ethtool.h
@@ -748,6 +748,24 @@ struct ethtool_usrip4_spec {
__u8 proto;
};
+/**
+ * struct ethtool_ip6_spec - general flow specification for IPv6
+ * @ip6src: Source host
+ * @ip6dst: Destination host
+ * @l4_4_bytes: First 4 bytes of transport (layer 4) header
+ * @spi: Security parameters index, for %AH_V6_FLOW and %ESP_V6_FLOW
+ * @tos: Type-of-service
+ * @proto: Transport protocol number, for %IP6_USER_FLOW
+ */
+struct ethtool_ip6_spec {
+ __be32 ip6src[4];
+ __be32 ip6dst[4];
+ __be32 l4_4_bytes;
+ __be32 spi;
+ __u8 tos;
+ __u8 proto;
+};
+
union ethtool_flow_union {
struct ethtool_tcpip4_spec tcp_ip4_spec;
struct ethtool_tcpip4_spec udp_ip4_spec;
@@ -755,6 +773,7 @@ union ethtool_flow_union {
struct ethtool_ah_espip4_spec ah_ip4_spec;
struct ethtool_ah_espip4_spec esp_ip4_spec;
struct ethtool_usrip4_spec usr_ip4_spec;
+ struct ethtool_ip6_spec ip6_spec;
struct ethhdr ether_spec;
__u8 hdata[52];
};
@@ -1367,18 +1386,19 @@ enum ethtool_sfeatures_retval_bits {
#define UDP_V4_FLOW 0x02 /* hash or spec (udp_ip4_spec) */
#define SCTP_V4_FLOW 0x03 /* hash or spec (sctp_ip4_spec) */
#define AH_ESP_V4_FLOW 0x04 /* hash only */
-#define TCP_V6_FLOW 0x05 /* hash only */
-#define UDP_V6_FLOW 0x06 /* hash only */
-#define SCTP_V6_FLOW 0x07 /* hash only */
+#define TCP_V6_FLOW 0x05 /* hash or spec (ip6_spec) */
+#define UDP_V6_FLOW 0x06 /* hash or spec (ip6_spec) */
+#define SCTP_V6_FLOW 0x07 /* hash or spec (ip6_spec) */
#define AH_ESP_V6_FLOW 0x08 /* hash only */
#define AH_V4_FLOW 0x09 /* hash or spec (ah_ip4_spec) */
#define ESP_V4_FLOW 0x0a /* hash or spec (esp_ip4_spec) */
-#define AH_V6_FLOW 0x0b /* hash only */
-#define ESP_V6_FLOW 0x0c /* hash only */
+#define AH_V6_FLOW 0x0b /* hash or spec (ip6_spec) */
+#define ESP_V6_FLOW 0x0c /* hash or spec (ip6_spec) */
#define IP_USER_FLOW 0x0d /* spec only (usr_ip4_spec) */
#define IPV4_FLOW 0x10 /* hash only */
#define IPV6_FLOW 0x11 /* hash only */
#define ETHER_FLOW 0x12 /* spec only (ether_spec) */
+#define IP6_USER_FLOW 0x13 /* spec only (ip6_spec) */
/* Flag to enable additional fields in struct ethtool_rx_flow_spec */
#define FLOW_EXT 0x80000000
#define FLOW_MAC_EXT 0x40000000
