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.z...@intel.com>
---
drivers/net/ice/ice_rxtx.c | 15 ++++++++++++---
1 file changed, 12 insertions(+), 3 deletions(-)
diff --git a/drivers/net/ice/ice_rxtx.c b/drivers/net/ice/ice_rxtx.c
index 0ea0045836..ed4d27389a 100644
--- a/drivers/net/ice/ice_rxtx.c
+++ b/drivers/net/ice/ice_rxtx.c
@@ -12,6 +12,7 @@
#define ICE_TX_CKSUM_OFFLOAD_MASK (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)
/**
@@ -2767,6 +2768,13 @@ ice_txd_enable_checksum(uint64_t ol_flags,
return;
}
+ if (ol_flags & RTE_MBUF_F_TX_UDP_SEG) {
+ *td_cmd |= ICE_TX_DESC_CMD_L4T_EOFT_UDP;
+ *td_offset |= (tx_offload.l4_len >> 2) <<
+ ICE_TX_DESC_LEN_L4_LEN_S;
+ return;
+ }
+
/* Enable L4 checksum offloads */
switch (ol_flags & RTE_MBUF_F_TX_L4_MASK) {
case RTE_MBUF_F_TX_TCP_CKSUM:
@@ -2858,6 +2866,7 @@ static inline uint16_t
ice_calc_context_desc(uint64_t flags)
{
static uint64_t mask = RTE_MBUF_F_TX_TCP_SEG |
+ RTE_MBUF_F_TX_UDP_SEG |
RTE_MBUF_F_TX_QINQ |
RTE_MBUF_F_TX_OUTER_IP_CKSUM |
RTE_MBUF_F_TX_TUNNEL_MASK |
@@ -2966,7 +2975,7 @@ ice_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts,
uint16_t nb_pkts)
* the mbuf data size exceeds max data size that hw allows
* per tx desc.
*/
- if (ol_flags & RTE_MBUF_F_TX_TCP_SEG)
+ if (ol_flags & (RTE_MBUF_F_TX_TCP_SEG | RTE_MBUF_F_TX_UDP_SEG))
nb_used = (uint16_t)(ice_calc_pkt_desc(tx_pkt) +
nb_ctx);
else
@@ -3026,7 +3035,7 @@ ice_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts,
uint16_t nb_pkts)
txe->mbuf = NULL;
}
- if (ol_flags & RTE_MBUF_F_TX_TCP_SEG)
+ if (ol_flags & (RTE_MBUF_F_TX_TCP_SEG |
RTE_MBUF_F_TX_UDP_SEG))
cd_type_cmd_tso_mss |=
ice_set_tso_ctx(tx_pkt, tx_offload);
else if (ol_flags & RTE_MBUF_F_TX_IEEE1588_TMST)
@@ -3066,7 +3075,7 @@ ice_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts,
uint16_t nb_pkts)
slen = m_seg->data_len;
buf_dma_addr = rte_mbuf_data_iova(m_seg);
- while ((ol_flags & RTE_MBUF_F_TX_TCP_SEG) &&
+ while ((ol_flags & (RTE_MBUF_F_TX_TCP_SEG |
RTE_MBUF_F_TX_UDP_SEG)) &&
unlikely(slen > ICE_MAX_DATA_PER_TXD)) {
txd->buf_addr = rte_cpu_to_le_64(buf_dma_addr);
txd->cmd_type_offset_bsz =
--
2.25.1
