ixgbe: add access to specific device info
[dpdk.git] / drivers / net / ixgbe / ixgbe_rxtx.c
index 3ace8a8..a7c94a9 100644 (file)
@@ -593,9 +593,8 @@ ixgbe_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts,
        txe = &sw_ring[tx_id];
 
        /* Determine if the descriptor ring needs to be cleaned. */
-       if ((txq->nb_tx_desc - txq->nb_tx_free) > txq->tx_free_thresh) {
+       if (txq->nb_tx_free < txq->tx_free_thresh)
                ixgbe_xmit_cleanup(txq);
-       }
 
        rte_prefetch0(&txe->mbuf->pool);
 
@@ -860,6 +859,110 @@ end_of_tx:
  *  RX functions
  *
  **********************************************************************/
+#ifdef RTE_NEXT_ABI
+#define IXGBE_PACKET_TYPE_IPV4              0X01
+#define IXGBE_PACKET_TYPE_IPV4_TCP          0X11
+#define IXGBE_PACKET_TYPE_IPV4_UDP          0X21
+#define IXGBE_PACKET_TYPE_IPV4_SCTP         0X41
+#define IXGBE_PACKET_TYPE_IPV4_EXT          0X03
+#define IXGBE_PACKET_TYPE_IPV4_EXT_SCTP     0X43
+#define IXGBE_PACKET_TYPE_IPV6              0X04
+#define IXGBE_PACKET_TYPE_IPV6_TCP          0X14
+#define IXGBE_PACKET_TYPE_IPV6_UDP          0X24
+#define IXGBE_PACKET_TYPE_IPV6_EXT          0X0C
+#define IXGBE_PACKET_TYPE_IPV6_EXT_TCP      0X1C
+#define IXGBE_PACKET_TYPE_IPV6_EXT_UDP      0X2C
+#define IXGBE_PACKET_TYPE_IPV4_IPV6         0X05
+#define IXGBE_PACKET_TYPE_IPV4_IPV6_TCP     0X15
+#define IXGBE_PACKET_TYPE_IPV4_IPV6_UDP     0X25
+#define IXGBE_PACKET_TYPE_IPV4_IPV6_EXT     0X0D
+#define IXGBE_PACKET_TYPE_IPV4_IPV6_EXT_TCP 0X1D
+#define IXGBE_PACKET_TYPE_IPV4_IPV6_EXT_UDP 0X2D
+#define IXGBE_PACKET_TYPE_MAX               0X80
+#define IXGBE_PACKET_TYPE_MASK              0X7F
+#define IXGBE_PACKET_TYPE_SHIFT             0X04
+static inline uint32_t
+ixgbe_rxd_pkt_info_to_pkt_type(uint16_t pkt_info)
+{
+       static const uint32_t
+               ptype_table[IXGBE_PACKET_TYPE_MAX] __rte_cache_aligned = {
+               [IXGBE_PACKET_TYPE_IPV4] = RTE_PTYPE_L2_ETHER |
+                       RTE_PTYPE_L3_IPV4,
+               [IXGBE_PACKET_TYPE_IPV4_EXT] = RTE_PTYPE_L2_ETHER |
+                       RTE_PTYPE_L3_IPV4_EXT,
+               [IXGBE_PACKET_TYPE_IPV6] = RTE_PTYPE_L2_ETHER |
+                       RTE_PTYPE_L3_IPV6,
+               [IXGBE_PACKET_TYPE_IPV4_IPV6] = RTE_PTYPE_L2_ETHER |
+                       RTE_PTYPE_L3_IPV4 | RTE_PTYPE_TUNNEL_IP |
+                       RTE_PTYPE_INNER_L3_IPV6,
+               [IXGBE_PACKET_TYPE_IPV6_EXT] = RTE_PTYPE_L2_ETHER |
+                       RTE_PTYPE_L3_IPV6_EXT,
+               [IXGBE_PACKET_TYPE_IPV4_IPV6_EXT] = RTE_PTYPE_L2_ETHER |
+                       RTE_PTYPE_L3_IPV4 | RTE_PTYPE_TUNNEL_IP |
+                       RTE_PTYPE_INNER_L3_IPV6_EXT,
+               [IXGBE_PACKET_TYPE_IPV4_TCP] = RTE_PTYPE_L2_ETHER |
+                       RTE_PTYPE_L3_IPV4 | RTE_PTYPE_L4_TCP,
+               [IXGBE_PACKET_TYPE_IPV6_TCP] = RTE_PTYPE_L2_ETHER |
+                       RTE_PTYPE_L3_IPV6 | RTE_PTYPE_L4_TCP,
+               [IXGBE_PACKET_TYPE_IPV4_IPV6_TCP] = RTE_PTYPE_L2_ETHER |
+                       RTE_PTYPE_L3_IPV4 | RTE_PTYPE_TUNNEL_IP |
+                       RTE_PTYPE_INNER_L3_IPV6 | RTE_PTYPE_INNER_L4_TCP,
+               [IXGBE_PACKET_TYPE_IPV6_EXT_TCP] = RTE_PTYPE_L2_ETHER |
+                       RTE_PTYPE_L3_IPV6_EXT | RTE_PTYPE_L4_TCP,
+               [IXGBE_PACKET_TYPE_IPV4_IPV6_EXT_TCP] = RTE_PTYPE_L2_ETHER |
+                       RTE_PTYPE_L3_IPV4 | RTE_PTYPE_TUNNEL_IP |
+                       RTE_PTYPE_INNER_L3_IPV6_EXT | RTE_PTYPE_INNER_L4_TCP,
+               [IXGBE_PACKET_TYPE_IPV4_UDP] = RTE_PTYPE_L2_ETHER |
+                       RTE_PTYPE_L3_IPV4 | RTE_PTYPE_L4_UDP,
+               [IXGBE_PACKET_TYPE_IPV6_UDP] = RTE_PTYPE_L2_ETHER |
+                       RTE_PTYPE_L3_IPV6 | RTE_PTYPE_L4_UDP,
+               [IXGBE_PACKET_TYPE_IPV4_IPV6_UDP] = RTE_PTYPE_L2_ETHER |
+                       RTE_PTYPE_L3_IPV4 | RTE_PTYPE_TUNNEL_IP |
+                       RTE_PTYPE_INNER_L3_IPV6 | RTE_PTYPE_INNER_L4_UDP,
+               [IXGBE_PACKET_TYPE_IPV6_EXT_UDP] = RTE_PTYPE_L2_ETHER |
+                       RTE_PTYPE_L3_IPV6_EXT | RTE_PTYPE_L4_UDP,
+               [IXGBE_PACKET_TYPE_IPV4_IPV6_EXT_UDP] = RTE_PTYPE_L2_ETHER |
+                       RTE_PTYPE_L3_IPV4 | RTE_PTYPE_TUNNEL_IP |
+                       RTE_PTYPE_INNER_L3_IPV6_EXT | RTE_PTYPE_INNER_L4_UDP,
+               [IXGBE_PACKET_TYPE_IPV4_SCTP] = RTE_PTYPE_L2_ETHER |
+                       RTE_PTYPE_L3_IPV4 | RTE_PTYPE_L4_SCTP,
+               [IXGBE_PACKET_TYPE_IPV4_EXT_SCTP] = RTE_PTYPE_L2_ETHER |
+                       RTE_PTYPE_L3_IPV4_EXT | RTE_PTYPE_L4_SCTP,
+       };
+       if (unlikely(pkt_info & IXGBE_RXDADV_PKTTYPE_ETQF))
+               return RTE_PTYPE_UNKNOWN;
+
+       pkt_info = (pkt_info >> IXGBE_PACKET_TYPE_SHIFT) &
+                               IXGBE_PACKET_TYPE_MASK;
+
+       return ptype_table[pkt_info];
+}
+
+static inline uint64_t
+ixgbe_rxd_pkt_info_to_pkt_flags(uint16_t pkt_info)
+{
+       static uint64_t ip_rss_types_map[16] __rte_cache_aligned = {
+               0, PKT_RX_RSS_HASH, PKT_RX_RSS_HASH, PKT_RX_RSS_HASH,
+               0, PKT_RX_RSS_HASH, 0, PKT_RX_RSS_HASH,
+               PKT_RX_RSS_HASH, 0, 0, 0,
+               0, 0, 0,  PKT_RX_FDIR,
+       };
+#ifdef RTE_LIBRTE_IEEE1588
+       static uint64_t ip_pkt_etqf_map[8] = {
+               0, 0, 0, PKT_RX_IEEE1588_PTP,
+               0, 0, 0, 0,
+       };
+
+       if (likely(pkt_info & IXGBE_RXDADV_PKTTYPE_ETQF))
+               return ip_pkt_etqf_map[(pkt_info >> 4) & 0X07] |
+                               ip_rss_types_map[pkt_info & 0XF];
+       else
+               return ip_rss_types_map[pkt_info & 0XF];
+#else
+       return ip_rss_types_map[pkt_info & 0XF];
+#endif
+}
+#else /* RTE_NEXT_ABI */
 static inline uint64_t
 rx_desc_hlen_type_rss_to_pkt_flags(uint32_t hl_tp_rs)
 {
@@ -895,6 +998,7 @@ rx_desc_hlen_type_rss_to_pkt_flags(uint32_t hl_tp_rs)
 #endif
        return pkt_flags | ip_rss_types_map[hl_tp_rs & 0xF];
 }
+#endif /* RTE_NEXT_ABI */
 
 static inline uint64_t
 rx_desc_status_to_pkt_flags(uint32_t rx_status)
@@ -950,7 +1054,13 @@ ixgbe_rx_scan_hw_ring(struct ixgbe_rx_queue *rxq)
        struct rte_mbuf *mb;
        uint16_t pkt_len;
        uint64_t pkt_flags;
+#ifdef RTE_NEXT_ABI
+       int nb_dd;
+       uint32_t s[LOOK_AHEAD];
+       uint16_t pkt_info[LOOK_AHEAD];
+#else
        int s[LOOK_AHEAD], nb_dd;
+#endif /* RTE_NEXT_ABI */
        int i, j, nb_rx = 0;
 
 
@@ -973,6 +1083,12 @@ ixgbe_rx_scan_hw_ring(struct ixgbe_rx_queue *rxq)
                for (j = LOOK_AHEAD-1; j >= 0; --j)
                        s[j] = rxdp[j].wb.upper.status_error;
 
+#ifdef RTE_NEXT_ABI
+               for (j = LOOK_AHEAD - 1; j >= 0; --j)
+                       pkt_info[j] = rxdp[j].wb.lower.lo_dword.
+                                               hs_rss.pkt_info;
+#endif /* RTE_NEXT_ABI */
+
                /* Compute how many status bits were set */
                nb_dd = 0;
                for (j = 0; j < LOOK_AHEAD; ++j)
@@ -986,16 +1102,25 @@ ixgbe_rx_scan_hw_ring(struct ixgbe_rx_queue *rxq)
                        pkt_len = (uint16_t)(rxdp[j].wb.upper.length - rxq->crc_len);
                        mb->data_len = pkt_len;
                        mb->pkt_len = pkt_len;
-                       mb->vlan_tci = rxdp[j].wb.upper.vlan;
                        mb->vlan_tci = rte_le_to_cpu_16(rxdp[j].wb.upper.vlan);
 
                        /* convert descriptor fields to rte mbuf flags */
+#ifdef RTE_NEXT_ABI
+                       pkt_flags = rx_desc_status_to_pkt_flags(s[j]);
+                       pkt_flags |= rx_desc_error_to_pkt_flags(s[j]);
+                       pkt_flags |=
+                               ixgbe_rxd_pkt_info_to_pkt_flags(pkt_info[j]);
+                       mb->ol_flags = pkt_flags;
+                       mb->packet_type =
+                               ixgbe_rxd_pkt_info_to_pkt_type(pkt_info[j]);
+#else /* RTE_NEXT_ABI */
                        pkt_flags  = rx_desc_hlen_type_rss_to_pkt_flags(
                                        rxdp[j].wb.lower.lo_dword.data);
                        /* reuse status field from scan list */
                        pkt_flags |= rx_desc_status_to_pkt_flags(s[j]);
                        pkt_flags |= rx_desc_error_to_pkt_flags(s[j]);
                        mb->ol_flags = pkt_flags;
+#endif /* RTE_NEXT_ABI */
 
                        if (likely(pkt_flags & PKT_RX_RSS_HASH))
                                mb->hash.rss = rxdp[j].wb.lower.hi_dword.rss;
@@ -1212,7 +1337,11 @@ ixgbe_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts,
        union ixgbe_adv_rx_desc rxd;
        uint64_t dma_addr;
        uint32_t staterr;
+#ifdef RTE_NEXT_ABI
+       uint32_t pkt_info;
+#else
        uint32_t hlen_type_rss;
+#endif
        uint16_t pkt_len;
        uint16_t rx_id;
        uint16_t nb_rx;
@@ -1330,6 +1459,19 @@ ixgbe_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts,
                rxm->data_len = pkt_len;
                rxm->port = rxq->port_id;
 
+#ifdef RTE_NEXT_ABI
+               pkt_info = rte_le_to_cpu_32(rxd.wb.lower.lo_dword.hs_rss.
+                                                               pkt_info);
+               /* Only valid if PKT_RX_VLAN_PKT set in pkt_flags */
+               rxm->vlan_tci = rte_le_to_cpu_16(rxd.wb.upper.vlan);
+
+               pkt_flags = rx_desc_status_to_pkt_flags(staterr);
+               pkt_flags = pkt_flags | rx_desc_error_to_pkt_flags(staterr);
+               pkt_flags = pkt_flags |
+                       ixgbe_rxd_pkt_info_to_pkt_flags(pkt_info);
+               rxm->ol_flags = pkt_flags;
+               rxm->packet_type = ixgbe_rxd_pkt_info_to_pkt_type(pkt_info);
+#else /* RTE_NEXT_ABI */
                hlen_type_rss = rte_le_to_cpu_32(rxd.wb.lower.lo_dword.data);
                /* Only valid if PKT_RX_VLAN_PKT set in pkt_flags */
                rxm->vlan_tci = rte_le_to_cpu_16(rxd.wb.upper.vlan);
@@ -1338,6 +1480,7 @@ ixgbe_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts,
                pkt_flags = pkt_flags | rx_desc_status_to_pkt_flags(staterr);
                pkt_flags = pkt_flags | rx_desc_error_to_pkt_flags(staterr);
                rxm->ol_flags = pkt_flags;
+#endif /* RTE_NEXT_ABI */
 
                if (likely(pkt_flags & PKT_RX_RSS_HASH))
                        rxm->hash.rss = rxd.wb.lower.hi_dword.rss;
@@ -1411,6 +1554,23 @@ ixgbe_fill_cluster_head_buf(
        uint8_t port_id,
        uint32_t staterr)
 {
+#ifdef RTE_NEXT_ABI
+       uint16_t pkt_info;
+       uint64_t pkt_flags;
+
+       head->port = port_id;
+
+       /* The vlan_tci field is only valid when PKT_RX_VLAN_PKT is
+        * set in the pkt_flags field.
+        */
+       head->vlan_tci = rte_le_to_cpu_16(desc->wb.upper.vlan);
+       pkt_info = rte_le_to_cpu_32(desc->wb.lower.lo_dword.hs_rss.pkt_info);
+       pkt_flags = rx_desc_status_to_pkt_flags(staterr);
+       pkt_flags |= rx_desc_error_to_pkt_flags(staterr);
+       pkt_flags |= ixgbe_rxd_pkt_info_to_pkt_flags(pkt_info);
+       head->ol_flags = pkt_flags;
+       head->packet_type = ixgbe_rxd_pkt_info_to_pkt_type(pkt_info);
+#else /* RTE_NEXT_ABI */
        uint32_t hlen_type_rss;
        uint64_t pkt_flags;
 
@@ -1426,6 +1586,7 @@ ixgbe_fill_cluster_head_buf(
        pkt_flags |= rx_desc_status_to_pkt_flags(staterr);
        pkt_flags |= rx_desc_error_to_pkt_flags(staterr);
        head->ol_flags = pkt_flags;
+#endif /* RTE_NEXT_ABI */
 
        if (likely(pkt_flags & PKT_RX_RSS_HASH))
                head->hash.rss = rte_le_to_cpu_32(desc->wb.lower.hi_dword.rss);
@@ -1757,7 +1918,7 @@ ixgbe_recv_pkts_lro_bulk_alloc(void *rx_queue, struct rte_mbuf **rx_pkts,
  * needed. If the memzone is already created, then this function returns a ptr
  * to the old one.
  */
-static const struct rte_memzone *
+static const struct rte_memzone * __attribute__((cold))
 ring_dma_zone_reserve(struct rte_eth_dev *dev, const char *ring_name,
                      uint16_t queue_id, uint32_t ring_size, int socket_id)
 {
@@ -1781,7 +1942,7 @@ ring_dma_zone_reserve(struct rte_eth_dev *dev, const char *ring_name,
 #endif
 }
 
-static void
+static void __attribute__((cold))
 ixgbe_tx_queue_release_mbufs(struct ixgbe_tx_queue *txq)
 {
        unsigned i;
@@ -1796,7 +1957,7 @@ ixgbe_tx_queue_release_mbufs(struct ixgbe_tx_queue *txq)
        }
 }
 
-static void
+static void __attribute__((cold))
 ixgbe_tx_free_swring(struct ixgbe_tx_queue *txq)
 {
        if (txq != NULL &&
@@ -1804,7 +1965,7 @@ ixgbe_tx_free_swring(struct ixgbe_tx_queue *txq)
                rte_free(txq->sw_ring);
 }
 
-static void
+static void __attribute__((cold))
 ixgbe_tx_queue_release(struct ixgbe_tx_queue *txq)
 {
        if (txq != NULL && txq->ops != NULL) {
@@ -1814,14 +1975,14 @@ ixgbe_tx_queue_release(struct ixgbe_tx_queue *txq)
        }
 }
 
-void
+void __attribute__((cold))
 ixgbe_dev_tx_queue_release(void *txq)
 {
        ixgbe_tx_queue_release(txq);
 }
 
 /* (Re)set dynamic ixgbe_tx_queue fields to defaults */
-static void
+static void __attribute__((cold))
 ixgbe_reset_tx_queue(struct ixgbe_tx_queue *txq)
 {
        static const union ixgbe_adv_tx_desc zeroed_desc = {{0}};
@@ -1870,7 +2031,7 @@ static const struct ixgbe_txq_ops def_txq_ops = {
  * the queue parameters. Used in tx_queue_setup by primary process and then
  * in dev_init by secondary process when attaching to an existing ethdev.
  */
-void
+void __attribute__((cold))
 ixgbe_set_tx_function(struct rte_eth_dev *dev, struct ixgbe_tx_queue *txq)
 {
        /* Use a simple Tx queue (no offloads, no multi segs) if possible */
@@ -1900,7 +2061,7 @@ ixgbe_set_tx_function(struct rte_eth_dev *dev, struct ixgbe_tx_queue *txq)
        }
 }
 
-int
+int __attribute__((cold))
 ixgbe_dev_tx_queue_setup(struct rte_eth_dev *dev,
                         uint16_t queue_idx,
                         uint16_t nb_desc,
@@ -2088,7 +2249,7 @@ ixgbe_dev_tx_queue_setup(struct rte_eth_dev *dev,
  *
  * @m scattered cluster head
  */
-static void
+static void __attribute__((cold))
 ixgbe_free_sc_cluster(struct rte_mbuf *m)
 {
        uint8_t i, nb_segs = m->nb_segs;
@@ -2101,14 +2262,15 @@ ixgbe_free_sc_cluster(struct rte_mbuf *m)
        }
 }
 
-static void
+static void __attribute__((cold))
 ixgbe_rx_queue_release_mbufs(struct ixgbe_rx_queue *rxq)
 {
        unsigned i;
 
        if (rxq->sw_ring != NULL) {
                for (i = 0; i < rxq->nb_rx_desc; i++) {
-                       if (rxq->sw_ring[i].mbuf != NULL) {
+                       if (rxq->sw_ring[i].mbuf != NULL &&
+                                       rte_mbuf_refcnt_read(rxq->sw_ring[i].mbuf)) {
                                rte_pktmbuf_free_seg(rxq->sw_ring[i].mbuf);
                                rxq->sw_ring[i].mbuf = NULL;
                        }
@@ -2133,7 +2295,7 @@ ixgbe_rx_queue_release_mbufs(struct ixgbe_rx_queue *rxq)
                        }
 }
 
-static void
+static void __attribute__((cold))
 ixgbe_rx_queue_release(struct ixgbe_rx_queue *rxq)
 {
        if (rxq != NULL) {
@@ -2144,7 +2306,7 @@ ixgbe_rx_queue_release(struct ixgbe_rx_queue *rxq)
        }
 }
 
-void
+void __attribute__((cold))
 ixgbe_dev_rx_queue_release(void *rxq)
 {
        ixgbe_rx_queue_release(rxq);
@@ -2158,7 +2320,7 @@ ixgbe_dev_rx_queue_release(void *rxq)
  *  -EINVAL: the preconditions are NOT satisfied and the default Rx burst
  *           function must be used.
  */
-static inline int
+static inline int __attribute__((cold))
 #ifdef RTE_LIBRTE_IXGBE_RX_ALLOW_BULK_ALLOC
 check_rx_burst_bulk_alloc_preconditions(struct ixgbe_rx_queue *rxq)
 #else
@@ -2213,7 +2375,7 @@ check_rx_burst_bulk_alloc_preconditions(__rte_unused struct ixgbe_rx_queue *rxq)
 }
 
 /* Reset dynamic ixgbe_rx_queue fields back to defaults */
-static void
+static void __attribute__((cold))
 ixgbe_reset_rx_queue(struct ixgbe_adapter *adapter, struct ixgbe_rx_queue *rxq)
 {
        static const union ixgbe_adv_rx_desc zeroed_desc = {{0}};
@@ -2263,7 +2425,7 @@ ixgbe_reset_rx_queue(struct ixgbe_adapter *adapter, struct ixgbe_rx_queue *rxq)
        rxq->pkt_last_seg = NULL;
 }
 
-int
+int __attribute__((cold))
 ixgbe_dev_rx_queue_setup(struct rte_eth_dev *dev,
                         uint16_t queue_idx,
                         uint16_t nb_desc,
@@ -2470,7 +2632,7 @@ ixgbe_dev_rx_descriptor_done(void *rx_queue, uint16_t offset)
        return !!(rxdp->wb.upper.status_error & IXGBE_RXDADV_STAT_DD);
 }
 
-void
+void __attribute__((cold))
 ixgbe_dev_clear_queues(struct rte_eth_dev *dev)
 {
        unsigned i;
@@ -3443,7 +3605,7 @@ ixgbe_vmdq_tx_hw_configure(struct ixgbe_hw *hw)
        return;
 }
 
-static int
+static int __attribute__((cold))
 ixgbe_alloc_rx_queue_mbufs(struct ixgbe_rx_queue *rxq)
 {
        struct ixgbe_rx_entry *rxe = rxq->sw_ring;
@@ -3738,7 +3900,8 @@ ixgbe_set_ivar(struct rte_eth_dev *dev, u8 entry, u8 vector, s8 type)
        }
 }
 
-void ixgbe_set_rx_function(struct rte_eth_dev *dev)
+void __attribute__((cold))
+ixgbe_set_rx_function(struct rte_eth_dev *dev)
 {
        struct ixgbe_adapter *adapter =
                (struct ixgbe_adapter *)dev->data->dev_private;
@@ -3974,7 +4137,7 @@ ixgbe_set_rsc(struct rte_eth_dev *dev)
 /*
  * Initializes Receive Unit.
  */
-int
+int __attribute__((cold))
 ixgbe_dev_rx_init(struct rte_eth_dev *dev)
 {
        struct ixgbe_hw     *hw;
@@ -4156,7 +4319,7 @@ ixgbe_dev_rx_init(struct rte_eth_dev *dev)
 /*
  * Initializes Transmit Unit.
  */
-void
+void __attribute__((cold))
 ixgbe_dev_tx_init(struct rte_eth_dev *dev)
 {
        struct ixgbe_hw     *hw;
@@ -4224,7 +4387,7 @@ ixgbe_dev_tx_init(struct rte_eth_dev *dev)
 /*
  * Set up link for 82599 loopback mode Tx->Rx.
  */
-static inline void
+static inline void __attribute__((cold))
 ixgbe_setup_loopback_link_82599(struct ixgbe_hw *hw)
 {
        PMD_INIT_FUNC_TRACE();
@@ -4252,7 +4415,7 @@ ixgbe_setup_loopback_link_82599(struct ixgbe_hw *hw)
 /*
  * Start Transmit and Receive Units.
  */
-int
+int __attribute__((cold))
 ixgbe_dev_rxtx_start(struct rte_eth_dev *dev)
 {
        struct ixgbe_hw     *hw;
@@ -4319,7 +4482,7 @@ ixgbe_dev_rxtx_start(struct rte_eth_dev *dev)
 /*
  * Start Receive Units for specified queue.
  */
-int
+int __attribute__((cold))
 ixgbe_dev_rx_queue_start(struct rte_eth_dev *dev, uint16_t rx_queue_id)
 {
        struct ixgbe_hw     *hw;
@@ -4364,7 +4527,7 @@ ixgbe_dev_rx_queue_start(struct rte_eth_dev *dev, uint16_t rx_queue_id)
 /*
  * Stop Receive Units for specified queue.
  */
-int
+int __attribute__((cold))
 ixgbe_dev_rx_queue_stop(struct rte_eth_dev *dev, uint16_t rx_queue_id)
 {
        struct ixgbe_hw     *hw;
@@ -4408,7 +4571,7 @@ ixgbe_dev_rx_queue_stop(struct rte_eth_dev *dev, uint16_t rx_queue_id)
 /*
  * Start Transmit Units for specified queue.
  */
-int
+int __attribute__((cold))
 ixgbe_dev_tx_queue_start(struct rte_eth_dev *dev, uint16_t tx_queue_id)
 {
        struct ixgbe_hw     *hw;
@@ -4449,7 +4612,7 @@ ixgbe_dev_tx_queue_start(struct rte_eth_dev *dev, uint16_t tx_queue_id)
 /*
  * Stop Transmit Units for specified queue.
  */
-int
+int __attribute__((cold))
 ixgbe_dev_tx_queue_stop(struct rte_eth_dev *dev, uint16_t tx_queue_id)
 {
        struct ixgbe_hw     *hw;
@@ -4509,7 +4672,7 @@ ixgbe_dev_tx_queue_stop(struct rte_eth_dev *dev, uint16_t tx_queue_id)
 /*
  * [VF] Initializes Receive Unit.
  */
-int
+int __attribute__((cold))
 ixgbevf_dev_rx_init(struct rte_eth_dev *dev)
 {
        struct ixgbe_hw     *hw;
@@ -4644,7 +4807,7 @@ ixgbevf_dev_rx_init(struct rte_eth_dev *dev)
 /*
  * [VF] Initializes Transmit Unit.
  */
-void
+void __attribute__((cold))
 ixgbevf_dev_tx_init(struct rte_eth_dev *dev)
 {
        struct ixgbe_hw     *hw;
@@ -4685,7 +4848,7 @@ ixgbevf_dev_tx_init(struct rte_eth_dev *dev)
 /*
  * [VF] Start Transmit and Receive Units.
  */
-void
+void __attribute__((cold))
 ixgbevf_dev_rxtx_start(struct rte_eth_dev *dev)
 {
        struct ixgbe_hw     *hw;