net/iavf: enable UDP fragmentation offload

This commit enables transmit segmentation offload for UDP, including both non-tunneled and tunneled packets. The command "tso set <tso_segsz> <port_id>" or "tunnel_tso set <tso_segsz> <port_id>" is used to enable UFO. Signed-off-by: Zhichao Zeng <zhichaox.zeng@intel.com> Tested-by: Ke Xu <ke1.xu@intel.com> Acked-by: Qi Zhang <qi.z.zhang@intel.com>
DPDK · Jun 21, 2023 · 0f24dc1 · 0f24dc1
1 parent 623ca7a
commit 0f24dc1
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Showing 2 changed files with 3 additions and 1 deletion.
diff --git a/drivers/net/iavf/iavf_rxtx.c b/drivers/net/iavf/iavf_rxtx.c
@@ -3623,7 +3623,7 @@ iavf_prep_pkts(__rte_unused void *tx_queue, struct rte_mbuf **tx_pkts,
 		ol_flags = m->ol_flags;
 
 		/* Check condition for nb_segs > IAVF_TX_MAX_MTU_SEG. */
-		if (!(ol_flags & RTE_MBUF_F_TX_TCP_SEG)) {
+		if (!(ol_flags & (RTE_MBUF_F_TX_TCP_SEG | RTE_MBUF_F_TX_UDP_SEG))) {
 			if (m->nb_segs > IAVF_TX_MAX_MTU_SEG) {
 				rte_errno = EINVAL;
 				return i;

diff --git a/drivers/net/iavf/iavf_rxtx.h b/drivers/net/iavf/iavf_rxtx.h
@@ -77,6 +77,7 @@
 		RTE_MBUF_F_TX_IP_CKSUM |		 \
 		RTE_MBUF_F_TX_L4_MASK |		 \
 		RTE_MBUF_F_TX_TCP_SEG |          \
+		RTE_MBUF_F_TX_UDP_SEG |          \
 		RTE_MBUF_F_TX_OUTER_IP_CKSUM |   \
 		RTE_MBUF_F_TX_OUTER_UDP_CKSUM)
 
@@ -89,6 +90,7 @@
 		RTE_MBUF_F_TX_IP_CKSUM |		 \
 		RTE_MBUF_F_TX_L4_MASK |		 \
 		RTE_MBUF_F_TX_TCP_SEG |		 \
+		RTE_MBUF_F_TX_UDP_SEG |      \
 		RTE_MBUF_F_TX_TUNNEL_MASK |	\
 		RTE_MBUF_F_TX_OUTER_IP_CKSUM |  \
 		RTE_MBUF_F_TX_OUTER_UDP_CKSUM | \