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chtls: Fix hardware tid leak 

[ Upstream commit 717df0f4cd ]

send_abort_rpl() is not calculating cpl_abort_req_rss offset and
ends up sending wrong TID with abort_rpl WR causng tid leaks.
Replaced send_abort_rpl() with chtls_send_abort_rpl() as it is
redundant.

Fixes: cc35c88ae4 ("crypto : chtls - CPL handler definition")
Signed-off-by: Rohit Maheshwari <rohitm@chelsio.com>
Signed-off-by: Ayush Sawal <ayush.sawal@chelsio.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
5.4-rM2-2.2.x-imx-squashed
Ayush Sawal 2021-01-06 09:59:06 +05:30 committed by Greg Kroah-Hartman
parent ed62af62da
commit 266ee00f40
1 changed files with 3 additions and 36 deletions
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39
drivers/crypto/chelsio/chtls/chtls_cm.c
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@ -1828,39 +1828,6 @@ static void send_defer_abort_rpl(struct chtls_dev *cdev, struct sk_buff *skb)
kfree_skb(skb);
}
static void send_abort_rpl(struct sock *sk, struct sk_buff *skb,
struct chtls_dev *cdev, int status, int queue)
{
struct cpl_abort_req_rss *req = cplhdr(skb);
struct sk_buff *reply_skb;
struct chtls_sock *csk;
csk = rcu_dereference_sk_user_data(sk);
reply_skb = alloc_skb(sizeof(struct cpl_abort_rpl),
GFP_KERNEL);
if (!reply_skb) {
req->status = (queue << 1);
send_defer_abort_rpl(cdev, skb);
return;
}
set_abort_rpl_wr(reply_skb, GET_TID(req), status);
kfree_skb(skb);
set_wr_txq(reply_skb, CPL_PRIORITY_DATA, queue);
if (csk_conn_inline(csk)) {
struct l2t_entry *e = csk->l2t_entry;
if (e && sk->sk_state != TCP_SYN_RECV) {
cxgb4_l2t_send(csk->egress_dev, reply_skb, e);
return;
}
}
cxgb4_ofld_send(cdev->lldi->ports[0], reply_skb);
}
/*
* Add an skb to the deferred skb queue for processing from process context.
*/
@ -1924,8 +1891,8 @@ static void bl_abort_syn_rcv(struct sock *lsk, struct sk_buff *skb)
skb->sk = NULL;
do_abort_syn_rcv(child, lsk);
send_abort_rpl(child, skb, BLOG_SKB_CB(skb)->cdev,
CPL_ABORT_NO_RST, queue);
chtls_send_abort_rpl(child, skb, BLOG_SKB_CB(skb)->cdev,
CPL_ABORT_NO_RST, queue);
}
static int abort_syn_rcv(struct sock *sk, struct sk_buff *skb)
@ -1956,7 +1923,7 @@ static int abort_syn_rcv(struct sock *sk, struct sk_buff *skb)
int queue = csk->txq_idx;
do_abort_syn_rcv(sk, psk);
send_abort_rpl(sk, skb, cdev, CPL_ABORT_NO_RST, queue);
chtls_send_abort_rpl(sk, skb, cdev, CPL_ABORT_NO_RST, queue);
} else {
skb->sk = sk;
BLOG_SKB_CB(skb)->backlog_rcv = bl_abort_syn_rcv;