diff mbox series

[net,2/3] net: hns3: fix miss L3E checking for rx packet

Message ID 20221222064343.61537-3-lanhao@huawei.com (mailing list archive)
State Accepted
Commit 7d89b53cea1a702f97117fb4361523519bb1e52c
Delegated to: Netdev Maintainers
Headers show
Series net: hns3: fix some bug for hns3 | expand

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Context Check Description
netdev/tree_selection success Clearly marked for net
netdev/fixes_present success Fixes tag present in non-next series
netdev/subject_prefix success Link
netdev/cover_letter success Series has a cover letter
netdev/patch_count success Link
netdev/header_inline success No static functions without inline keyword in header files
netdev/build_32bit success Errors and warnings before: 0 this patch: 0
netdev/cc_maintainers fail 1 blamed authors not CCed: tanhuazhong@huawei.com; 1 maintainers not CCed: tanhuazhong@huawei.com
netdev/build_clang success Errors and warnings before: 0 this patch: 0
netdev/module_param success Was 0 now: 0
netdev/verify_signedoff success Signed-off-by tag matches author and committer
netdev/check_selftest success No net selftest shell script
netdev/verify_fixes success Fixes tag looks correct
netdev/build_allmodconfig_warn success Errors and warnings before: 0 this patch: 0
netdev/checkpatch success total: 0 errors, 0 warnings, 0 checks, 36 lines checked
netdev/kdoc success Errors and warnings before: 0 this patch: 0
netdev/source_inline success Was 0 now: 0

Commit Message

Hao Lan Dec. 22, 2022, 6:43 a.m. UTC 
From: Jian Shen <shenjian15@huawei.com>

For device supports RXD advanced layout, the driver will
return directly if the hardware finish the checksum
calculate. It cause missing L3E checking for ip packets.
Fixes it.

Fixes: 1ddc028ac849 ("net: hns3: refactor out RX completion checksum")
Signed-off-by: Jian Shen <shenjian15@huawei.com>
Signed-off-by: Hao Lan <lanhao@huawei.com>
---
 drivers/net/ethernet/hisilicon/hns3/hns3_enet.c | 10 ++++------
 1 file changed, 4 insertions(+), 6 deletions(-)
diff mbox series

Patch

diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
index 0ec5730b1788..b4c4fb873568 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
@@ -3855,18 +3855,16 @@  static int hns3_gro_complete(struct sk_buff *skb, u32 l234info)
 	return 0;
 }
 
-static bool hns3_checksum_complete(struct hns3_enet_ring *ring,
+static void hns3_checksum_complete(struct hns3_enet_ring *ring,
 				   struct sk_buff *skb, u32 ptype, u16 csum)
 {
 	if (ptype == HNS3_INVALID_PTYPE ||
 	    hns3_rx_ptype_tbl[ptype].ip_summed != CHECKSUM_COMPLETE)
-		return false;
+		return;
 
 	hns3_ring_stats_update(ring, csum_complete);
 	skb->ip_summed = CHECKSUM_COMPLETE;
 	skb->csum = csum_unfold((__force __sum16)csum);
-
-	return true;
 }
 
 static void hns3_rx_handle_csum(struct sk_buff *skb, u32 l234info,
@@ -3926,8 +3924,7 @@  static void hns3_rx_checksum(struct hns3_enet_ring *ring, struct sk_buff *skb,
 		ptype = hnae3_get_field(ol_info, HNS3_RXD_PTYPE_M,
 					HNS3_RXD_PTYPE_S);
 
-	if (hns3_checksum_complete(ring, skb, ptype, csum))
-		return;
+	hns3_checksum_complete(ring, skb, ptype, csum);
 
 	/* check if hardware has done checksum */
 	if (!(bd_base_info & BIT(HNS3_RXD_L3L4P_B)))
@@ -3936,6 +3933,7 @@  static void hns3_rx_checksum(struct hns3_enet_ring *ring, struct sk_buff *skb,
 	if (unlikely(l234info & (BIT(HNS3_RXD_L3E_B) | BIT(HNS3_RXD_L4E_B) |
 				 BIT(HNS3_RXD_OL3E_B) |
 				 BIT(HNS3_RXD_OL4E_B)))) {
+		skb->ip_summed = CHECKSUM_NONE;
 		hns3_ring_stats_update(ring, l3l4_csum_err);
 
 		return;