Add supports for RSS_IPV4_CHKSUM & RSS_L4_CHKSUM RSS offload types
in RSS flow.
Signed-off-by: Alvin Zhang <alvinx.zh...@intel.com>
---
v2: rebase to dpdk-next-net-intel
v3: add release note
---
doc/guides/rel_notes/release_21_11.rst | 3 ++-
drivers/net/ice/ice_hash.c | 33 ++++++++++++++++++++++++++-------
2 files changed, 28 insertions(+), 8 deletions(-)
diff --git a/doc/guides/rel_notes/release_21_11.rst
b/doc/guides/rel_notes/release_21_11.rst
index 19356ac..eeb1e3d 100644
--- a/doc/guides/rel_notes/release_21_11.rst
+++ b/doc/guides/rel_notes/release_21_11.rst
@@ -75,7 +75,8 @@ New Features
* **Updated Intel ice driver.**
- Added 1PPS out support by a devargs.
+ * Added 1PPS out support by a devargs.
+ * Added IPv4 and L4(TCP/UDP/SCTP) checksum hash support in RSS flow.
* **Updated Marvell cnxk ethdev driver.**
diff --git a/drivers/net/ice/ice_hash.c b/drivers/net/ice/ice_hash.c
index 175780c..df1bdfd 100644
--- a/drivers/net/ice/ice_hash.c
+++ b/drivers/net/ice/ice_hash.c
@@ -374,13 +374,17 @@ struct ice_rss_hash_cfg eth_tmplt = {
/* IPv4 */
#define ICE_RSS_TYPE_ETH_IPV4 (ETH_RSS_ETH | ETH_RSS_IPV4 | \
- ETH_RSS_FRAG_IPV4)
+ ETH_RSS_FRAG_IPV4 | \
+ ETH_RSS_IPV4_CHKSUM)
#define ICE_RSS_TYPE_ETH_IPV4_UDP (ICE_RSS_TYPE_ETH_IPV4 | \
- ETH_RSS_NONFRAG_IPV4_UDP)
+ ETH_RSS_NONFRAG_IPV4_UDP | \
+ ETH_RSS_L4_CHKSUM)
#define ICE_RSS_TYPE_ETH_IPV4_TCP (ICE_RSS_TYPE_ETH_IPV4 | \
- ETH_RSS_NONFRAG_IPV4_TCP)
+ ETH_RSS_NONFRAG_IPV4_TCP | \
+ ETH_RSS_L4_CHKSUM)
#define ICE_RSS_TYPE_ETH_IPV4_SCTP (ICE_RSS_TYPE_ETH_IPV4 | \
- ETH_RSS_NONFRAG_IPV4_SCTP)
+ ETH_RSS_NONFRAG_IPV4_SCTP | \
+ ETH_RSS_L4_CHKSUM)
#define ICE_RSS_TYPE_IPV4 ETH_RSS_IPV4
#define ICE_RSS_TYPE_IPV4_UDP (ETH_RSS_IPV4 | \
ETH_RSS_NONFRAG_IPV4_UDP)
@@ -394,11 +398,14 @@ struct ice_rss_hash_cfg eth_tmplt = {
#define ICE_RSS_TYPE_ETH_IPV6_FRAG (ETH_RSS_ETH | ETH_RSS_IPV6 | \
ETH_RSS_FRAG_IPV6)
#define ICE_RSS_TYPE_ETH_IPV6_UDP (ICE_RSS_TYPE_ETH_IPV6 | \
- ETH_RSS_NONFRAG_IPV6_UDP)
+ ETH_RSS_NONFRAG_IPV6_UDP | \
+ ETH_RSS_L4_CHKSUM)
#define ICE_RSS_TYPE_ETH_IPV6_TCP (ICE_RSS_TYPE_ETH_IPV6 | \
- ETH_RSS_NONFRAG_IPV6_TCP)
+ ETH_RSS_NONFRAG_IPV6_TCP | \
+ ETH_RSS_L4_CHKSUM)
#define ICE_RSS_TYPE_ETH_IPV6_SCTP (ICE_RSS_TYPE_ETH_IPV6 | \
- ETH_RSS_NONFRAG_IPV6_SCTP)
+ ETH_RSS_NONFRAG_IPV6_SCTP | \
+ ETH_RSS_L4_CHKSUM)
#define ICE_RSS_TYPE_IPV6 ETH_RSS_IPV6
#define ICE_RSS_TYPE_IPV6_UDP (ETH_RSS_IPV6 | \
ETH_RSS_NONFRAG_IPV6_UDP)
@@ -689,6 +696,9 @@ struct ice_rss_hash_cfg eth_tmplt = {
} else {
*hash_flds &= ~ICE_FLOW_HASH_IPV4;
}
+
+ if (rss_type & ETH_RSS_IPV4_CHKSUM)
+ *hash_flds |= BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_CHKSUM);
}
if (*addl_hdrs & ICE_FLOW_SEG_HDR_IPV6) {
@@ -765,6 +775,9 @@ struct ice_rss_hash_cfg eth_tmplt = {
} else {
*hash_flds &= ~ICE_FLOW_HASH_UDP_PORT;
}
+
+ if (rss_type & ETH_RSS_L4_CHKSUM)
+ *hash_flds |= BIT_ULL(ICE_FLOW_FIELD_IDX_UDP_CHKSUM);
}
if (*addl_hdrs & ICE_FLOW_SEG_HDR_TCP) {
@@ -782,6 +795,9 @@ struct ice_rss_hash_cfg eth_tmplt = {
} else {
*hash_flds &= ~ICE_FLOW_HASH_TCP_PORT;
}
+
+ if (rss_type & ETH_RSS_L4_CHKSUM)
+ *hash_flds |= BIT_ULL(ICE_FLOW_FIELD_IDX_TCP_CHKSUM);
}
if (*addl_hdrs & ICE_FLOW_SEG_HDR_SCTP) {
@@ -799,6 +815,9 @@ struct ice_rss_hash_cfg eth_tmplt = {
} else {
*hash_flds &= ~ICE_FLOW_HASH_SCTP_PORT;
}
+
+ if (rss_type & ETH_RSS_L4_CHKSUM)
+ *hash_flds |= BIT_ULL(ICE_FLOW_FIELD_IDX_SCTP_CHKSUM);
}
if (*addl_hdrs & ICE_FLOW_SEG_HDR_L2TPV3) {
--
1.8.3.1
