crypto: chcr - small packet Tx stalls the queue
commit c35828ea906a7c76632a0211e59c392903cd4615 upstream. 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> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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1 changed files with 4 additions and 1 deletions
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@ -303,7 +303,10 @@ static bool chcr_ipsec_offload_ok(struct sk_buff *skb, struct xfrm_state *x)
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static inline int is_eth_imm(const struct sk_buff *skb, unsigned int kctx_len)
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{
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int hdrlen = sizeof(struct chcr_ipsec_req) + kctx_len;
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int hdrlen;
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hdrlen = sizeof(struct fw_ulptx_wr) +
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sizeof(struct chcr_ipsec_req) + kctx_len;
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hdrlen += sizeof(struct cpl_tx_pkt);
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if (skb->len <= MAX_IMM_TX_PKT_LEN - hdrlen)
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