This is a note to let you know that I've just added the patch titled ch_ktls: Update cheksum information to the 5.9-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: ch_ktls-update-cheksum-information.patch and it can be found in the queue-5.9 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. commit b5bab96eb8184fde2a8397dec9d74cb51cfe47a4 Author: Rohit Maheshwari <rohitm@xxxxxxxxxxx> Date: Mon Nov 9 16:21:33 2020 +0530 ch_ktls: Update cheksum information [ Upstream commit 86716b51d14fc2201938939b323ba3ad99186910 ] Checksum update was missing in the WR. Fixes: 429765a149f1 ("chcr: handle partial end part of a record") Signed-off-by: Rohit Maheshwari <rohitm@xxxxxxxxxxx> Signed-off-by: Jakub Kicinski <kuba@xxxxxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> diff --git a/drivers/crypto/chelsio/chcr_ktls.c b/drivers/crypto/chelsio/chcr_ktls.c index c5cce024886ac..026689d091102 100644 --- a/drivers/crypto/chelsio/chcr_ktls.c +++ b/drivers/crypto/chelsio/chcr_ktls.c @@ -926,6 +926,7 @@ 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); @@ -964,22 +965,28 @@ 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.