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authorAyush Sawal <ayush.sawal@chelsio.com>2021-01-06 09:59:06 +0530
committerJakub Kicinski <kuba@kernel.org>2021-01-07 17:06:01 -0800
commit717df0f4cdc9044c415431a3522b3e9ccca5b4a3 (patch)
treef73ca6b9a4b321e1c14d7b57ac4f807562257730 /drivers/net/ethernet
parent0565ff56cd0543bacb5d3ec2ee0f979813ea1841 (diff)
downloadlinux-717df0f4cdc9044c415431a3522b3e9ccca5b4a3.tar.bz2
chtls: Fix hardware tid leak
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: cc35c88ae4db ("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>
Diffstat (limited to 'drivers/net/ethernet')
-rw-r--r--drivers/net/ethernet/chelsio/inline_crypto/chtls/chtls_cm.c39
1 files changed, 3 insertions, 36 deletions
diff --git a/drivers/net/ethernet/chelsio/inline_crypto/chtls/chtls_cm.c b/drivers/net/ethernet/chelsio/inline_crypto/chtls/chtls_cm.c
index a0e0d8a83681..561b5f2273af 100644
--- a/drivers/net/ethernet/chelsio/inline_crypto/chtls/chtls_cm.c
+++ b/drivers/net/ethernet/chelsio/inline_crypto/chtls/chtls_cm.c
@@ -1997,39 +1997,6 @@ static void t4_defer_reply(struct sk_buff *skb, struct chtls_dev *cdev,
spin_unlock_bh(&cdev->deferq.lock);
}
-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);
- t4_defer_reply(skb, cdev, send_defer_abort_rpl);
- 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);
-}
-
static void chtls_send_abort_rpl(struct sock *sk, struct sk_buff *skb,
struct chtls_dev *cdev,
int status, int queue)
@@ -2079,8 +2046,8 @@ 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)
@@ -2111,7 +2078,7 @@ 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;