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path: root/drivers/crypto/chelsio/chcr_ipsec.c
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Diffstat (limited to 'drivers/crypto/chelsio/chcr_ipsec.c')
-rw-r--r--drivers/crypto/chelsio/chcr_ipsec.c27
1 files changed, 13 insertions, 14 deletions
diff --git a/drivers/crypto/chelsio/chcr_ipsec.c b/drivers/crypto/chelsio/chcr_ipsec.c
index 24355680f30a..9da0f93a330b 100644
--- a/drivers/crypto/chelsio/chcr_ipsec.c
+++ b/drivers/crypto/chelsio/chcr_ipsec.c
@@ -673,16 +673,16 @@ static inline void txq_advance(struct sge_txq *q, unsigned int n)
int chcr_ipsec_xmit(struct sk_buff *skb, struct net_device *dev)
{
struct xfrm_state *x = xfrm_input_state(skb);
+ unsigned int last_desc, ndesc, flits = 0;
struct ipsec_sa_entry *sa_entry;
u64 *pos, *end, *before, *sgl;
+ struct tx_sw_desc *sgl_sdesc;
int qidx, left, credits;
- unsigned int flits = 0, ndesc;
- struct adapter *adap;
+ bool immediate = false;
struct sge_eth_txq *q;
+ struct adapter *adap;
struct port_info *pi;
- dma_addr_t addr[MAX_SKB_FRAGS + 1];
struct sec_path *sp;
- bool immediate = false;
if (!x->xso.offload_handle)
return NETDEV_TX_BUSY;
@@ -715,8 +715,14 @@ out_free: dev_kfree_skb_any(skb);
return NETDEV_TX_BUSY;
}
+ last_desc = q->q.pidx + ndesc - 1;
+ if (last_desc >= q->q.size)
+ last_desc -= q->q.size;
+ sgl_sdesc = &q->q.sdesc[last_desc];
+
if (!immediate &&
- unlikely(cxgb4_map_skb(adap->pdev_dev, skb, addr) < 0)) {
+ unlikely(cxgb4_map_skb(adap->pdev_dev, skb, sgl_sdesc->addr) < 0)) {
+ memset(sgl_sdesc->addr, 0, sizeof(sgl_sdesc->addr));
q->mapping_err++;
goto out_free;
}
@@ -742,17 +748,10 @@ out_free: dev_kfree_skb_any(skb);
cxgb4_inline_tx_skb(skb, &q->q, sgl);
dev_consume_skb_any(skb);
} else {
- int last_desc;
-
cxgb4_write_sgl(skb, &q->q, (void *)sgl, end,
- 0, addr);
+ 0, sgl_sdesc->addr);
skb_orphan(skb);
-
- last_desc = q->q.pidx + ndesc - 1;
- if (last_desc >= q->q.size)
- last_desc -= q->q.size;
- q->q.sdesc[last_desc].skb = skb;
- q->q.sdesc[last_desc].sgl = (struct ulptx_sgl *)sgl;
+ sgl_sdesc->skb = skb;
}
txq_advance(&q->q, ndesc);