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net/iavf: enable inner and outer Tx checksum offload

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This patch is to enable scalar path inner and outer Tx checksum offload
for tunnel packet by configure ol_flags.

Signed-off-by: Peng Zhang <peng1x.zhang@intel.com>
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>
This commit is contained in:
Zhichao Zeng 2022-09-20 17:14:52 +08:00 committed by Qi Zhang
parent 3b8c645afa
commit f7c8c36fde
4 changed files with 57 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
doc/guides/nics/features/iavf.ini
View File

@ -25,6 +25,8 @@ VLAN offload = Y
L3 checksum offload = P
L4 checksum offload = P
Timestamp offload = P
Inner L3 checksum = P
Inner L4 checksum = P
Packet type parsing = Y
Rx descriptor status = Y
Tx descriptor status = Y

1
drivers/net/iavf/iavf_ethdev.c
View File

@ -1135,6 +1135,7 @@ iavf_dev_info_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info)
RTE_ETH_TX_OFFLOAD_TCP_CKSUM |
RTE_ETH_TX_OFFLOAD_SCTP_CKSUM |
RTE_ETH_TX_OFFLOAD_OUTER_IPV4_CKSUM |
RTE_ETH_TX_OFFLOAD_OUTER_UDP_CKSUM |
RTE_ETH_TX_OFFLOAD_TCP_TSO |
RTE_ETH_TX_OFFLOAD_VXLAN_TNL_TSO |
RTE_ETH_TX_OFFLOAD_GRE_TNL_TSO |

48
drivers/net/iavf/iavf_rxtx.c
View File

@ -2341,7 +2341,8 @@ static inline uint16_t
iavf_calc_context_desc(uint64_t flags, uint8_t vlan_flag)
{
if (flags & (RTE_MBUF_F_TX_TCP_SEG | RTE_MBUF_F_TX_UDP_SEG |
RTE_MBUF_F_TX_TUNNEL_MASK))
RTE_MBUF_F_TX_TUNNEL_MASK | RTE_MBUF_F_TX_OUTER_IP_CKSUM |
RTE_MBUF_F_TX_OUTER_UDP_CKSUM))
return 1;
if (flags & RTE_MBUF_F_TX_VLAN &&
vlan_flag & IAVF_TX_FLAGS_VLAN_TAG_LOC_L2TAG2)
@ -2406,6 +2407,44 @@ iavf_fill_ctx_desc_tunnelling_field(volatile uint64_t *qw0,
break;
}
/* L4TUNT: L4 Tunneling Type */
switch (m->ol_flags & RTE_MBUF_F_TX_TUNNEL_MASK) {
case RTE_MBUF_F_TX_TUNNEL_IPIP:
/* for non UDP / GRE tunneling, set to 00b */
break;
case RTE_MBUF_F_TX_TUNNEL_VXLAN:
case RTE_MBUF_F_TX_TUNNEL_GTP:
case RTE_MBUF_F_TX_TUNNEL_GENEVE:
eip_typ |= IAVF_TXD_CTX_UDP_TUNNELING;
break;
case RTE_MBUF_F_TX_TUNNEL_GRE:
eip_typ |= IAVF_TXD_CTX_GRE_TUNNELING;
break;
default:
PMD_TX_LOG(ERR, "Tunnel type not supported");
return;
}
/* L4TUNLEN: L4 Tunneling Length, in Words
*
* We depend on app to set rte_mbuf.l2_len correctly.
* For IP in GRE it should be set to the length of the GRE
* header;
* For MAC in GRE or MAC in UDP it should be set to the length
* of the GRE or UDP headers plus the inner MAC up to including
* its last Ethertype.
* If MPLS labels exists, it should include them as well.
*/
eip_typ |= (m->l2_len >> 1) << IAVF_TXD_CTX_QW0_NATLEN_SHIFT;
/**
* Calculate the tunneling UDP checksum.
* Shall be set only if L4TUNT = 01b and EIPT is not zero
*/
if (!(eip_typ & IAVF_TX_CTX_EXT_IP_NONE) &&
(eip_typ & IAVF_TXD_CTX_UDP_TUNNELING))
eip_typ |= IAVF_TXD_CTX_QW0_L4T_CS_MASK;
*qw0 = eip_typ << IAVF_TXD_CTX_QW0_TUN_PARAMS_EIPT_SHIFT |
eip_len << IAVF_TXD_CTX_QW0_TUN_PARAMS_EIPLEN_SHIFT |
eip_noinc << IAVF_TXD_CTX_QW0_TUN_PARAMS_EIP_NOINC_SHIFT;
@ -2542,7 +2581,12 @@ iavf_build_data_desc_cmd_offset_fields(volatile uint64_t *qw1,
}
/* Set MACLEN */
offset |= (m->l2_len >> 1) << IAVF_TX_DESC_LENGTH_MACLEN_SHIFT;
if (m->ol_flags & RTE_MBUF_F_TX_TUNNEL_MASK)
offset |= (m->outer_l2_len >> 1)
<< IAVF_TX_DESC_LENGTH_MACLEN_SHIFT;
else
offset |= (m->l2_len >> 1)
<< IAVF_TX_DESC_LENGTH_MACLEN_SHIFT;
/* Enable L3 checksum offloading inner */
if (m->ol_flags & RTE_MBUF_F_TX_IP_CKSUM) {

9
drivers/net/iavf/iavf_rxtx.h
View File

@ -26,6 +26,8 @@
#define IAVF_TX_NO_VECTOR_FLAGS ( \
RTE_ETH_TX_OFFLOAD_MULTI_SEGS | \
RTE_ETH_TX_OFFLOAD_TCP_TSO | \
RTE_ETH_TX_OFFLOAD_OUTER_IPV4_CKSUM | \
RTE_ETH_TX_OFFLOAD_OUTER_UDP_CKSUM | \
RTE_ETH_TX_OFFLOAD_SECURITY)
#define IAVF_TX_VECTOR_OFFLOAD ( \
@ -56,7 +58,9 @@
#define IAVF_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_TCP_SEG | \
RTE_MBUF_F_TX_OUTER_IP_CKSUM | \
RTE_MBUF_F_TX_OUTER_UDP_CKSUM)
#define IAVF_TX_OFFLOAD_MASK ( \
RTE_MBUF_F_TX_OUTER_IPV6 | \
@ -67,6 +71,9 @@
RTE_MBUF_F_TX_IP_CKSUM | \
RTE_MBUF_F_TX_L4_MASK | \
RTE_MBUF_F_TX_TCP_SEG | \
RTE_MBUF_F_TX_TUNNEL_MASK | \
RTE_MBUF_F_TX_OUTER_IP_CKSUM | \
RTE_MBUF_F_TX_OUTER_UDP_CKSUM | \
RTE_ETH_TX_OFFLOAD_SECURITY)
#define IAVF_TX_OFFLOAD_NOTSUP_MASK \