[Intel-wired-lan] [PATCH v1 1/1] igc: Complete to commit Add support for TSO

[Sasha Neftin <sasha.neftin@intel.com>]

commit f38b782dccab ("igc: Add support for TSO")
Add option to setting transmit command (TUCMD) of the context
descriptor based on skb_shinfo gso_type and SKB_GSO_UDP_L4 flag.

Signed-off-by: Sasha Neftin <sasha.neftin@intel.com>
---
 drivers/net/ethernet/intel/igc/igc_defines.h | 1 +
 drivers/net/ethernet/intel/igc/igc_main.c    | 3 ++-
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/intel/igc/igc_defines.h b/drivers/net/ethernet/intel/igc/igc_defines.h
index 6468253ec4f5..b70651c42098 100644
--- a/drivers/net/ethernet/intel/igc/igc_defines.h
+++ b/drivers/net/ethernet/intel/igc/igc_defines.h
@@ -529,6 +529,7 @@
 #define IGC_VLAPQF_QUEUE_MASK	0x03
 
 #define IGC_ADVTXD_MACLEN_SHIFT		9  /* Adv ctxt desc mac len shift */
+#define IGC_ADVTXD_TUCMD_L4T_UDP	0x00000000  /* L4 Packet TYPE of UDP */
 #define IGC_ADVTXD_TUCMD_IPV4		0x00000400  /* IP Packet Type:1=IPv4 */
 #define IGC_ADVTXD_TUCMD_L4T_TCP	0x00000800  /* L4 Packet Type of TCP */
 #define IGC_ADVTXD_TUCMD_L4T_SCTP	0x00001000 /* L4 packet TYPE of SCTP */
diff --git a/drivers/net/ethernet/intel/igc/igc_main.c b/drivers/net/ethernet/intel/igc/igc_main.c
index dec6f5a4f03f..660b14abce1d 100644
--- a/drivers/net/ethernet/intel/igc/igc_main.c
+++ b/drivers/net/ethernet/intel/igc/igc_main.c
@@ -1231,7 +1231,8 @@ static int igc_tso(struct igc_ring *tx_ring,
 	l4.hdr = skb_checksum_start(skb);
 
 	/* ADV DTYP TUCMD MKRLOC/ISCSIHEDLEN */
-	type_tucmd = IGC_ADVTXD_TUCMD_L4T_TCP;
+	type_tucmd = (skb_shinfo(skb)->gso_type & SKB_GSO_UDP_L4) ?
+		      IGC_ADVTXD_TUCMD_L4T_UDP : IGC_ADVTXD_TUCMD_L4T_TCP;
 
 	/* initialize outer IP header fields */
 	if (ip.v4->version == 4) {
-- 
2.11.0