[PATCH] doc: Fix some typos in mbuf_lib.rst and net/cnxk comments.

[Mao YingMing <maoyingming@baidu.com>]

From: maoyingming <maoyingming@baidu.com>

Fixes: 2542ad53d8 (doc: add description of the offload API)
Fixes: ae2c2cb606 (net/cnxk: avoid command copy from Tx queue)

Reviewed-by: lishuo02 <lishuo02@baidu.com>
Signed-off-by: maoyingming <maoyingming@baidu.com>
---
 doc/guides/prog_guide/mbuf_lib.rst | 8 ++++----
 drivers/net/cnxk/cn10k_tx.h        | 2 +-
 drivers/net/cnxk/cn9k_tx.h         | 2 +-
 3 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/doc/guides/prog_guide/mbuf_lib.rst b/doc/guides/prog_guide/mbuf_lib.rst
index 049357c755..749f9c97a8 100644
--- a/doc/guides/prog_guide/mbuf_lib.rst
+++ b/doc/guides/prog_guide/mbuf_lib.rst
@@ -134,7 +134,7 @@ a vxlan-encapsulated tcp packet:
 
     mb->l2_len = len(out_eth)
     mb->l3_len = len(out_ip)
-    mb->ol_flags |= RTE_MBUF_F_TX_IPV4 | RTE_MBUF_F_TX_IP_CSUM
+    mb->ol_flags |= RTE_MBUF_F_TX_IPV4 | RTE_MBUF_F_TX_IP_CKSUM
     set out_ip checksum to 0 in the packet
 
   This is supported on hardware advertising RTE_ETH_TX_OFFLOAD_IPV4_CKSUM.
@@ -143,7 +143,7 @@ a vxlan-encapsulated tcp packet:
 
     mb->l2_len = len(out_eth)
     mb->l3_len = len(out_ip)
-    mb->ol_flags |= RTE_MBUF_F_TX_IPV4 | RTE_MBUF_F_TX_IP_CSUM | RTE_MBUF_F_TX_UDP_CKSUM
+    mb->ol_flags |= RTE_MBUF_F_TX_IPV4 | RTE_MBUF_F_TX_IP_CKSUM | RTE_MBUF_F_TX_UDP_CKSUM
     set out_ip checksum to 0 in the packet
     set out_udp checksum to pseudo header using rte_ipv4_phdr_cksum()
 
@@ -154,7 +154,7 @@ a vxlan-encapsulated tcp packet:
 
     mb->l2_len = len(out_eth + out_ip + out_udp + vxlan + in_eth)
     mb->l3_len = len(in_ip)
-    mb->ol_flags |= RTE_MBUF_F_TX_IPV4 | RTE_MBUF_F_TX_IP_CSUM
+    mb->ol_flags |= RTE_MBUF_F_TX_IPV4 | RTE_MBUF_F_TX_IP_CKSUM
     set in_ip checksum to 0 in the packet
 
   This is similar to case 1), but l2_len is different. It is supported
@@ -165,7 +165,7 @@ a vxlan-encapsulated tcp packet:
 
     mb->l2_len = len(out_eth + out_ip + out_udp + vxlan + in_eth)
     mb->l3_len = len(in_ip)
-    mb->ol_flags |= RTE_MBUF_F_TX_IPV4 | RTE_MBUF_F_TX_IP_CSUM | RTE_MBUF_F_TX_TCP_CKSUM
+    mb->ol_flags |= RTE_MBUF_F_TX_IPV4 | RTE_MBUF_F_TX_IP_CKSUM | RTE_MBUF_F_TX_TCP_CKSUM
     set in_ip checksum to 0 in the packet
     set in_tcp checksum to pseudo header using rte_ipv4_phdr_cksum()
 
diff --git a/drivers/net/cnxk/cn10k_tx.h b/drivers/net/cnxk/cn10k_tx.h
index 5c4b9e559e..f2230b5883 100644
--- a/drivers/net/cnxk/cn10k_tx.h
+++ b/drivers/net/cnxk/cn10k_tx.h
@@ -1242,7 +1242,7 @@ cn10k_nix_xmit_prepare_tstamp(struct cn10k_eth_txq *txq, uintptr_t lmt_addr,
 		struct nix_send_mem_s *send_mem;
 
 		send_mem = (struct nix_send_mem_s *)(lmt + off);
-		/* Packets for which PKT_TX_IEEE1588_TMST is not set, tx tstamp
+		/* Packets for which RTE_MBUF_F_TX_IEEE1588_TMST is not set, tx tstamp
 		 * should not be recorded, hence changing the alg type to
 		 * NIX_SENDMEMALG_SUB and also changing send mem addr field to
 		 * next 8 bytes as it corrupts the actual Tx tstamp registered
diff --git a/drivers/net/cnxk/cn9k_tx.h b/drivers/net/cnxk/cn9k_tx.h
index 018fae2eb7..27c3318ceb 100644
--- a/drivers/net/cnxk/cn9k_tx.h
+++ b/drivers/net/cnxk/cn9k_tx.h
@@ -559,7 +559,7 @@ cn9k_nix_xmit_prepare_tstamp(struct cn9k_eth_txq *txq, uint64_t *cmd,
 
 		send_mem = (struct nix_send_mem_s *)(cmd + off);
 
-		/* Packets for which PKT_TX_IEEE1588_TMST is not set, tx tstamp
+		/* Packets for which RTE_MBUF_F_TX_IEEE1588_TMST is not set, tx tstamp
 		 * should not be recorded, hence changing the alg type to
 		 * NIX_SENDMEMALG_SUB and also changing send mem addr field to
 		 * next 8 bytes as it corrupts the actual Tx tstamp registered
-- 
2.27.0