From 659bf0383d15b07e492e27443d87736b24171558 Mon Sep 17 00:00:00 2001 From: Rohit Maheshwari Date: Mon, 9 Nov 2020 16:21:39 +0530 Subject: ch_ktls: don't free skb before sending FIN If its a last packet and fin is set. Make sure FIN is informed to HW before skb gets freed. Fixes: 429765a149f1 ("chcr: handle partial end part of a record") Signed-off-by: Rohit Maheshwari Signed-off-by: Jakub Kicinski --- .../net/ethernet/chelsio/inline_crypto/ch_ktls/chcr_ktls.c | 12 ++++++++++-- 1 file changed, 10 insertions(+), 2 deletions(-) (limited to 'drivers/net/ethernet/chelsio') 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 index bbda71b7f98b..a8062e038ebc 100644 --- a/drivers/net/ethernet/chelsio/inline_crypto/ch_ktls/chcr_ktls.c +++ b/drivers/net/ethernet/chelsio/inline_crypto/ch_ktls/chcr_ktls.c @@ -1932,6 +1932,9 @@ static int chcr_ktls_xmit(struct sk_buff *skb, struct net_device *dev) flags); goto out; } + + if (th->fin) + skb_get(skb); } if (unlikely(tls_record_is_start_marker(record))) { @@ -2006,8 +2009,11 @@ static int chcr_ktls_xmit(struct sk_buff *skb, struct net_device *dev) __skb_frag_unref(&record->frags[i]); } /* if any failure, come out from the loop. */ - if (ret) + if (ret) { + if (th->fin) + dev_kfree_skb_any(skb); return NETDEV_TX_OK; + } /* length should never be less than 0 */ WARN_ON(data_len < 0); @@ -2020,8 +2026,10 @@ static int chcr_ktls_xmit(struct sk_buff *skb, struct net_device *dev) /* tcp finish is set, send a separate tcp msg including all the options * as well. */ - if (th->fin) + if (th->fin) { chcr_ktls_write_tcp_options(tx_info, skb, q, tx_info->tx_chan); + dev_kfree_skb_any(skb); + } return NETDEV_TX_OK; out: -- cgit v1.2.3