doc: clarify VLAN and QinQ Tx offload prerequisite

- Fix missing PKT_TX_VLAN mbuf.ol_flag and mbuf.vlan_tci
fields for Tx VLAN INSERT offload.

- Fix missing mbuf.vlan_tci_outer field for Tx QINQ INSERT offload.

- Rename deprecated PKT_TX_QINQ_PKT to PKT_TX_QINQ

Fixes: cba7f53b717d ("ethdev: introduce Tx queue offloads API")
Cc: stable@dpdk.org
Signed-off-by: Jerin Jacob <jerin.jacob@caviumnetworks.com>

diff --git a/doc/guides/nics/features.rst b/doc/guides/nics/features.rst
index a9604c1..3fa5cb7 100644 (file)
--- a/doc/guides/nics/features.rst
+++ b/doc/guides/nics/features.rst
@@ -527,6 +527,7 @@ Supports VLAN offload to hardware.
 
 * **[uses]       rte_eth_rxconf,rte_eth_rxmode**: ``offloads:DEV_RX_OFFLOAD_VLAN_STRIP,DEV_RX_OFFLOAD_VLAN_FILTER,DEV_RX_OFFLOAD_VLAN_EXTEND``.
 * **[uses]       rte_eth_txconf,rte_eth_txmode**: ``offloads:DEV_TX_OFFLOAD_VLAN_INSERT``.
+* **[uses]       mbuf**: ``mbuf.ol_flags:PKT_TX_VLAN``, ``mbuf.vlan_tci``.
 * **[implements] eth_dev_ops**: ``vlan_offload_set``.
 * **[provides]   mbuf**: ``mbuf.ol_flags:PKT_RX_VLAN_STRIPPED``, ``mbuf.ol_flags:PKT_RX_VLAN`` ``mbuf.vlan_tci``.
 * **[provides]   rte_eth_dev_info**: ``rx_offload_capa,rx_queue_offload_capa:DEV_RX_OFFLOAD_VLAN_STRIP``,
@@ -544,7 +545,7 @@ Supports QinQ (queue in queue) offload.
 
 * **[uses]     rte_eth_rxconf,rte_eth_rxmode**: ``offloads:DEV_RX_OFFLOAD_QINQ_STRIP``.
 * **[uses]     rte_eth_txconf,rte_eth_txmode**: ``offloads:DEV_TX_OFFLOAD_QINQ_INSERT``.
-* **[uses]     mbuf**: ``mbuf.ol_flags:PKT_TX_QINQ_PKT``.
+* **[uses]     mbuf**: ``mbuf.ol_flags:PKT_TX_QINQ``, ``mbuf.vlan_tci_outer``.
 * **[provides] mbuf**: ``mbuf.ol_flags:PKT_RX_QINQ_STRIPPED``, ``mbuf.ol_flags:PKT_RX_QINQ``,
   ``mbuf.ol_flags:PKT_RX_VLAN_STRIPPED``, ``mbuf.ol_flags:PKT_RX_VLAN``
   ``mbuf.vlan_tci``, ``mbuf.vlan_tci_outer``.