diff mbox series

[RFC,net-next,07/10] hisilicon: Call skb_set_csum_crc32_unnecessary

Message ID 20240703224850.1226697-8-tom@herbertland.com (mailing list archive)
State RFC
Delegated to: Netdev Maintainers
Headers show
Series crc-offload: Split RX CRC offload from csum offload | expand

Checks

Context Check Description
netdev/series_format success Posting correctly formatted
netdev/tree_selection success Clearly marked for net-next
netdev/ynl success Generated files up to date; no warnings/errors; no diff in generated;
netdev/fixes_present success Fixes tag not required for -next series
netdev/header_inline success No static functions without inline keyword in header files
netdev/build_32bit success Errors and warnings before: 839 this patch: 839
netdev/build_tools success No tools touched, skip
netdev/cc_maintainers warning 6 maintainers not CCed: yisen.zhuang@huawei.com salil.mehta@huawei.com pabeni@redhat.com liuyonglong@huawei.com edumazet@google.com shaojijie@huawei.com
netdev/build_clang success Errors and warnings before: 846 this patch: 846
netdev/verify_signedoff success Signed-off-by tag matches author and committer
netdev/deprecated_api success None detected
netdev/check_selftest success No net selftest shell script
netdev/verify_fixes success No Fixes tag
netdev/build_allmodconfig_warn success Errors and warnings before: 846 this patch: 846
netdev/checkpatch success total: 0 errors, 0 warnings, 0 checks, 35 lines checked
netdev/build_clang_rust success No Rust files in patch. Skipping build
netdev/kdoc success Errors and warnings before: 8 this patch: 8
netdev/source_inline success Was 0 now: 0

Commit Message

Tom Herbert July 3, 2024, 10:48 p.m. UTC 
When a validated offload CRC for SCTP is detected call
skb_set_csum_crc32_unnessary instead of setting
CHECKSUM_UNNECESSARY

Signed-off-by: Tom Herbert <tom@herbertland.com>
---
 drivers/net/ethernet/hisilicon/hns/hns_enet.c  |  5 ++++-
 .../net/ethernet/hisilicon/hns3/hns3_enet.c    | 18 +++++++++++++-----
 2 files changed, 17 insertions(+), 6 deletions(-)
diff mbox series

Patch

diff --git a/drivers/net/ethernet/hisilicon/hns/hns_enet.c b/drivers/net/ethernet/hisilicon/hns/hns_enet.c
index fd32e15cadcb..f3e8b9cb3779 100644
--- a/drivers/net/ethernet/hisilicon/hns/hns_enet.c
+++ b/drivers/net/ethernet/hisilicon/hns/hns_enet.c
@@ -556,7 +556,10 @@  static void hns_nic_rx_checksum(struct hns_nic_ring_data *ring_data,
 		return;
 
 	/* now, this has to be a packet with valid RX checksum */
-	skb->ip_summed = CHECKSUM_UNNECESSARY;
+	if (l4id == HNS_RX_FLAG_L4ID_SCTP)
+		skb_set_csum_crc32_unnecessary(skb);
+	else
+		skb->ip_summed = CHECKSUM_UNNECESSARY;
 }
 
 static int hns_nic_poll_rx_skb(struct hns_nic_ring_data *ring_data,
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
index a5fc0209d628..5fd98854f72d 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
@@ -3908,11 +3908,19 @@  static void hns3_rx_handle_csum(struct sk_buff *skb, u32 l234info,
 					  HNS3_RXD_L4ID_S);
 		/* Can checksum ipv4 or ipv6 + UDP/TCP/SCTP packets */
 		if ((l3_type == HNS3_L3_TYPE_IPV4 ||
-		     l3_type == HNS3_L3_TYPE_IPV6) &&
-		    (l4_type == HNS3_L4_TYPE_UDP ||
-		     l4_type == HNS3_L4_TYPE_TCP ||
-		     l4_type == HNS3_L4_TYPE_SCTP))
-			skb->ip_summed = CHECKSUM_UNNECESSARY;
+		     l3_type == HNS3_L3_TYPE_IPV6)) {
+			switch (l4_type) {
+			case HNS3_L4_TYPE_UDP:
+			case HNS3_L4_TYPE_TCP:
+				skb->ip_summed = CHECKSUM_UNNECESSARY;
+				break;
+			case HNS3_L4_TYPE_SCTP:
+				skb_set_csum_crc32_unnecessary(skb);
+				break;
+			default:
+				break;
+			}
+		}
 		break;
 	default:
 		break;