1 files changed, 16 insertions, 54 deletions

diff --git a/drivers/net/ethernet/intel/iavf/iavf_txrx.c b/drivers/net/ethernet/intel/iavf/iavf_txrx.c
index 32bb604a1382..33ec01d0ed67 100644
--- a/drivers/net/ethernet/intel/iavf/iavf_txrx.c
+++ b/drivers/net/ethernet/intel/iavf/iavf_txrx.c
@@ -2,6 +2,7 @@
 /* Copyright(c) 2013 - 2018 Intel Corporation. */
 
 #include <linux/bitfield.h>
+#include <linux/net/intel/libie/rx.h>
 #include <linux/prefetch.h>
 
 #include "iavf.h"
@@ -982,38 +983,30 @@ static void iavf_rx_checksum(struct iavf_vsi *vsi,
 			     struct sk_buff *skb,
 			     union iavf_rx_desc *rx_desc)
 {
-	struct iavf_rx_ptype_decoded decoded;
+	struct libeth_rx_pt decoded;
 	u32 rx_error, rx_status;
 	bool ipv4, ipv6;
 	u8 ptype;
 	u64 qword;
 
-	qword = le64_to_cpu(rx_desc->wb.qword1.status_error_len);
-	ptype = FIELD_GET(IAVF_RXD_QW1_PTYPE_MASK, qword);
-	rx_error = FIELD_GET(IAVF_RXD_QW1_ERROR_MASK, qword);
-	rx_status = FIELD_GET(IAVF_RXD_QW1_STATUS_MASK, qword);
-	decoded = decode_rx_desc_ptype(ptype);
-
 	skb->ip_summed = CHECKSUM_NONE;
 
-	skb_checksum_none_assert(skb);
+	qword = le64_to_cpu(rx_desc->wb.qword1.status_error_len);
+	ptype = FIELD_GET(IAVF_RXD_QW1_PTYPE_MASK, qword);
 
-	/* Rx csum enabled and ip headers found? */
-	if (!(vsi->netdev->features & NETIF_F_RXCSUM))
+	decoded = libie_rx_pt_parse(ptype);
+	if (!libeth_rx_pt_has_checksum(vsi->netdev, decoded))
 		return;
 
+	rx_error = FIELD_GET(IAVF_RXD_QW1_ERROR_MASK, qword);
+	rx_status = FIELD_GET(IAVF_RXD_QW1_STATUS_MASK, qword);
+
 	/* did the hardware decode the packet and checksum? */
 	if (!(rx_status & BIT(IAVF_RX_DESC_STATUS_L3L4P_SHIFT)))
 		return;
 
-	/* both known and outer_ip must be set for the below code to work */
-	if (!(decoded.known && decoded.outer_ip))
-		return;
-
-	ipv4 = (decoded.outer_ip == IAVF_RX_PTYPE_OUTER_IP) &&
-	       (decoded.outer_ip_ver == IAVF_RX_PTYPE_OUTER_IPV4);
-	ipv6 = (decoded.outer_ip == IAVF_RX_PTYPE_OUTER_IP) &&
-	       (decoded.outer_ip_ver == IAVF_RX_PTYPE_OUTER_IPV6);
+	ipv4 = libeth_rx_pt_get_ip_ver(decoded) == LIBETH_RX_PT_OUTER_IPV4;
+	ipv6 = libeth_rx_pt_get_ip_ver(decoded) == LIBETH_RX_PT_OUTER_IPV6;
 
 	if (ipv4 &&
 	    (rx_error & (BIT(IAVF_RX_DESC_ERROR_IPE_SHIFT) |
@@ -1037,17 +1030,7 @@ static void iavf_rx_checksum(struct iavf_vsi *vsi,
 	if (rx_error & BIT(IAVF_RX_DESC_ERROR_PPRS_SHIFT))
 		return;
 
-	/* Only report checksum unnecessary for TCP, UDP, or SCTP */
-	switch (decoded.inner_prot) {
-	case IAVF_RX_PTYPE_INNER_PROT_TCP:
-	case IAVF_RX_PTYPE_INNER_PROT_UDP:
-	case IAVF_RX_PTYPE_INNER_PROT_SCTP:
-		skb->ip_summed = CHECKSUM_UNNECESSARY;
-		fallthrough;
-	default:
-		break;
-	}
-
+	skb->ip_summed = CHECKSUM_UNNECESSARY;
 	return;
 
 checksum_fail:
@@ -1055,29 +1038,6 @@ checksum_fail:
 }
 
 /**
- * iavf_ptype_to_htype - get a hash type
- * @ptype: the ptype value from the descriptor
- *
- * Returns a hash type to be used by skb_set_hash
- **/
-static int iavf_ptype_to_htype(u8 ptype)
-{
-	struct iavf_rx_ptype_decoded decoded = decode_rx_desc_ptype(ptype);
-
-	if (!decoded.known)
-		return PKT_HASH_TYPE_NONE;
-
-	if (decoded.outer_ip == IAVF_RX_PTYPE_OUTER_IP &&
-	    decoded.payload_layer == IAVF_RX_PTYPE_PAYLOAD_LAYER_PAY4)
-		return PKT_HASH_TYPE_L4;
-	else if (decoded.outer_ip == IAVF_RX_PTYPE_OUTER_IP &&
-		 decoded.payload_layer == IAVF_RX_PTYPE_PAYLOAD_LAYER_PAY3)
-		return PKT_HASH_TYPE_L3;
-	else
-		return PKT_HASH_TYPE_L2;
-}
-
-/**
  * iavf_rx_hash - set the hash value in the skb
  * @ring: descriptor ring
  * @rx_desc: specific descriptor
@@ -1089,17 +1049,19 @@ static void iavf_rx_hash(struct iavf_ring *ring,
 			 struct sk_buff *skb,
 			 u8 rx_ptype)
 {
+	struct libeth_rx_pt decoded;
 	u32 hash;
 	const __le64 rss_mask =
 		cpu_to_le64((u64)IAVF_RX_DESC_FLTSTAT_RSS_HASH <<
 			    IAVF_RX_DESC_STATUS_FLTSTAT_SHIFT);
 
-	if (!(ring->netdev->features & NETIF_F_RXHASH))
+	decoded = libie_rx_pt_parse(rx_ptype);
+	if (!libeth_rx_pt_has_hash(ring->netdev, decoded))
 		return;
 
 	if ((rx_desc->wb.qword1.status_error_len & rss_mask) == rss_mask) {
 		hash = le32_to_cpu(rx_desc->wb.qword0.hi_dword.rss);
-		skb_set_hash(skb, hash, iavf_ptype_to_htype(rx_ptype));
+		libeth_rx_pt_set_hash(skb, hash, decoded);
 	}
 }