net/virtio-user: do not assume vhost status feature

[dpdk.git] / drivers / net / octeontx2 / otx2_tx.h

diff --git a/drivers/net/octeontx2/otx2_tx.h b/drivers/net/octeontx2/otx2_tx.h
index caf170f..d6ea3b4 100644 (file)
--- a/drivers/net/octeontx2/otx2_tx.h
+++ b/drivers/net/octeontx2/otx2_tx.h
@@ -363,6 +363,10 @@ otx2_nix_xmit_prepare(struct rte_mbuf *m, uint64_t *cmd, const uint16_t flags)
                         * DF bit = 0 otherwise
                         */
                        send_hdr->w0.df = otx2_nix_prefree_seg(m);
+                       /* Ensuring mbuf fields which got updated in
+                        * otx2_nix_prefree_seg are written before LMTST.
+                        */
+                       rte_io_wmb();
                }
                /* Mark mempool object as "put" since it is freed by NIX */
                if (!send_hdr->w0.df)
@@ -395,6 +399,12 @@ otx2_nix_xmit_submit_lmt(const rte_iova_t io_addr)
        return otx2_lmt_submit(io_addr);
 }
 
+static __rte_always_inline uint64_t
+otx2_nix_xmit_submit_lmt_release(const rte_iova_t io_addr)
+{
+       return otx2_lmt_submit_release(io_addr);
+}
+
 static __rte_always_inline uint16_t
 otx2_nix_prepare_mseg(struct rte_mbuf *m, uint64_t *cmd, const uint16_t flags)
 {
@@ -483,6 +493,19 @@ otx2_nix_xmit_mseg_one(uint64_t *cmd, void *lmt_addr,
        } while (lmt_status == 0);
 }
 
+static __rte_always_inline void
+otx2_nix_xmit_mseg_one_release(uint64_t *cmd, void *lmt_addr,
+                      rte_iova_t io_addr, uint16_t segdw)
+{
+       uint64_t lmt_status;
+
+       rte_io_wmb();
+       do {
+               otx2_lmt_mov_seg(lmt_addr, (const void *)cmd, segdw);
+               lmt_status = otx2_lmt_submit(io_addr);
+       } while (lmt_status == 0);
+}
+
 #define L3L4CSUM_F   NIX_TX_OFFLOAD_L3_L4_CSUM_F
 #define OL3OL4CSUM_F NIX_TX_OFFLOAD_OL3_OL4_CSUM_F
 #define VLAN_F       NIX_TX_OFFLOAD_VLAN_QINQ_F