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Date: Thu, 22 Dec 2022 14:43:42 +0800 From: Hao Lan <lanhao@...wei.com> To: <davem@...emloft.net>, <kuba@...nel.org> CC: <yisen.zhuang@...wei.com>, <salil.mehta@...wei.com>, <edumazet@...gle.com>, <pabeni@...hat.com>, <richardcochran@...il.com>, <huangguangbin2@...wei.com>, <wangjie125@...wei.com>, <shenjian15@...wei.com>, <netdev@...r.kernel.org> Subject: [PATCH net 2/3] net: hns3: fix miss L3E checking for rx packet From: Jian Shen <shenjian15@...wei.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@...wei.com> Signed-off-by: Hao Lan <lanhao@...wei.com> --- drivers/net/ethernet/hisilicon/hns3/hns3_enet.c | 10 ++++------ 1 file changed, 4 insertions(+), 6 deletions(-) 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; -- 2.30.0
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