ch_ktls: Update cheksum information

rmchelsio · kuba-moo · commit 86716b51d14f · 2020-11-11T16:30:37.000-08:00
Checksum update was missing in the WR. Fixes: 429765a ("chcr: handle partial end part of a record") Signed-off-by: Rohit Maheshwari <rohitm@chelsio.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
diff --git a/drivers/net/ethernet/chelsio/inline_crypto/ch_ktls/chcr_ktls.c b/drivers/net/ethernet/chelsio/inline_crypto/ch_ktls/chcr_ktls.c
@@ -959,6 +959,7 @@ chcr_ktls_write_tcp_options(struct chcr_ktls_info *tx_info, struct sk_buff *skb,
 	struct iphdr *ip;
 	int credits;
 	u8 buf[150];
+	u64 cntrl1;
 	void *pos;
 
 	iplen = skb_network_header_len(skb);
@@ -997,22 +998,28 @@ chcr_ktls_write_tcp_options(struct chcr_ktls_info *tx_info, struct sk_buff *skb,
 			   TXPKT_PF_V(tx_info->adap->pf));
 	cpl->pack = 0;
 	cpl->len = htons(pktlen);
-	/* checksum offload */
-	cpl->ctrl1 = 0;
-
-	pos = cpl + 1;
 
 	memcpy(buf, skb->data, pktlen);
 	if (tx_info->ip_family == AF_INET) {
 		/* we need to correct ip header len */
 		ip = (struct iphdr *)(buf + maclen);
 		ip->tot_len = htons(pktlen - maclen);
+		cntrl1 = TXPKT_CSUM_TYPE_V(TX_CSUM_TCPIP);
 #if IS_ENABLED(CONFIG_IPV6)
 	} else {
 		ip6 = (struct ipv6hdr *)(buf + maclen);
 		ip6->payload_len = htons(pktlen - maclen - iplen);
+		cntrl1 = TXPKT_CSUM_TYPE_V(TX_CSUM_TCPIP6);
 #endif
 	}
+
+	cntrl1 |= T6_TXPKT_ETHHDR_LEN_V(maclen - ETH_HLEN) |
+		  TXPKT_IPHDR_LEN_V(iplen);
+	/* checksum offload */
+	cpl->ctrl1 = cpu_to_be64(cntrl1);
+
+	pos = cpl + 1;
+
 	/* now take care of the tcp header, if fin is not set then clear push
 	 * bit as well, and if fin is set, it will be sent at the last so we
 	 * need to update the tcp sequence number as per the last packet.
