Commit c35828ea authored Nov 30, 2018 by Atul Gupta Committed by Herbert Xu Dec 07, 2018

crypto: chcr - small packet Tx stalls the queue



Immediate packets sent to hardware should include the work
request length in calculating the flits. WR occupy one flit and
if not accounted result in invalid request which stalls the HW
queue.

Cc: stable@vger.kernel.org
Signed-off-by: Atul Gupta <atul.gupta@chelsio.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

parent 1f6669b9

drivers/crypto/chelsio/chcr_ipsec.c

+4 −1

Original line number	Diff line number	Diff line
		@@ -303,7 +303,10 @@ static bool chcr_ipsec_offload_ok(struct sk_buff skb, struct xfrm_state x)

		static inline int is_eth_imm(const struct sk_buff *skb, unsigned int kctx_len)
		{
		int hdrlen = sizeof(struct chcr_ipsec_req) + kctx_len;
		int hdrlen;

		hdrlen = sizeof(struct fw_ulptx_wr) +
		sizeof(struct chcr_ipsec_req) + kctx_len;

		hdrlen += sizeof(struct cpl_tx_pkt);
		if (skb->len <= MAX_IMM_TX_PKT_LEN - hdrlen)

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