nfp: flower: support to offload pedit of IPv6 flowinto fields

Previously the traffic class field is ignored while firmware has
already supported to pedit flowinfo fields, including traffic
class and flow label, now add it back.
Signed-off-by: Yinjun Zhang <yinjun.zhang@corigine.com>
Link: https://lore.kernel.org/r/20220609080136.151830-1-simon.horman@corigine.comSigned-off-by: Jakub Kicinski <kuba@kernel.org>

drivers/net/ethernet/netronome/nfp/flower/action.c

@@ -674,9 +674,9 @@ nfp_fl_set_ip6_hop_limit_flow_label(u32 off, __be32 exact, __be32 mask,
 					    fl_hl_mask->hop_limit;
 		break;
 	case round_down(offsetof(struct ipv6hdr, flow_lbl), 4):
-		if (mask & ~IPV6_FLOW_LABEL_MASK ||
-		    exact & ~IPV6_FLOW_LABEL_MASK) {
-			NL_SET_ERR_MSG_MOD(extack, "unsupported offload: invalid pedit IPv6 flow label action");
+		if (mask & ~IPV6_FLOWINFO_MASK ||
+		    exact & ~IPV6_FLOWINFO_MASK) {
+			NL_SET_ERR_MSG_MOD(extack, "unsupported offload: invalid pedit IPv6 flow info action");
 			return -EOPNOTSUPP;
 		}
 

drivers/net/ethernet/netronome/nfp/flower/cmsg.h

@@ -96,8 +96,6 @@
 #define NFP_FL_PUSH_VLAN_PRIO		GENMASK(15, 13)
 #define NFP_FL_PUSH_VLAN_VID		GENMASK(11, 0)
 
-#define IPV6_FLOW_LABEL_MASK		cpu_to_be32(0x000fffff)
-
 /* LAG ports */
 #define NFP_FL_LAG_OUT			0xC0DE0000