netdev - [PATCH net-next] net: ethernet: mtk_eth_soc: enable rx cksum offload for MTK_NETSYS

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Date:   Mon,  6 Jun 2022 21:49:00 +0200
From:   Lorenzo Bianconi <lorenzo@...nel.org>
To:     netdev@...r.kernel.org
Cc:     nbd@....name, john@...ozen.org, sean.wang@...iatek.com,
        Mark-MC.Lee@...iatek.com, davem@...emloft.net, edumazet@...gle.com,
        kuba@...nel.org, pabeni@...hat.com, Sam.Shih@...iatek.com,
        linux-mediatek@...ts.infradead.org, lorenzo.bianconi@...hat.com
Subject: [PATCH net-next] net: ethernet: mtk_eth_soc: enable rx cksum offload for MTK_NETSYS_V2

Enable rx checksum offload for mt7986 chipset.

Signed-off-by: Lorenzo Bianconi <lorenzo@...nel.org>
---
 drivers/net/ethernet/mediatek/mtk_eth_soc.c | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.c b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
index b3b3c079a0fa..9d7700984e9b 100644
--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c
+++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
@@ -1433,8 +1433,8 @@ static int mtk_poll_rx(struct napi_struct *napi, int budget,
 	int done = 0, bytes = 0;
 
 	while (done < budget) {
+		unsigned int pktlen, *rxdcsum;
 		struct net_device *netdev;
-		unsigned int pktlen;
 		dma_addr_t dma_addr;
 		u32 hash, reason;
 		int mac = 0;
@@ -1498,7 +1498,13 @@ static int mtk_poll_rx(struct napi_struct *napi, int budget,
 		pktlen = RX_DMA_GET_PLEN0(trxd.rxd2);
 		skb->dev = netdev;
 		skb_put(skb, pktlen);
-		if (trxd.rxd4 & eth->soc->txrx.rx_dma_l4_valid)
+
+		if (MTK_HAS_CAPS(eth->soc->caps, MTK_NETSYS_V2))
+			rxdcsum = &trxd.rxd3;
+		else
+			rxdcsum = &trxd.rxd4;
+
+		if (*rxdcsum & eth->soc->txrx.rx_dma_l4_valid)
 			skb->ip_summed = CHECKSUM_UNNECESSARY;
 		else
 			skb_checksum_none_assert(skb);
@@ -3744,6 +3750,7 @@ static const struct mtk_soc_data mt7986_data = {
 		.txd_size = sizeof(struct mtk_tx_dma_v2),
 		.rxd_size = sizeof(struct mtk_rx_dma_v2),
 		.rx_irq_done_mask = MTK_RX_DONE_INT_V2,
+		.rx_dma_l4_valid = RX_DMA_L4_VALID_V2,
 		.dma_max_len = MTK_TX_DMA_BUF_LEN_V2,
 		.dma_len_offset = 8,
 	},
-- 
2.35.3