}
#define RTE_MBUF_DATA_DMA_ADDR(mb) \
- (uint64_t) ((mb)->buf_physaddr + \
- (uint64_t) ((char *)((mb)->pkt.data) - (char *)(mb)->buf_addr))
+ (uint64_t) ((mb)->buf_physaddr + (mb)->data_off)
#define RTE_MBUF_DATA_DMA_ADDR_DEFAULT(mb) \
(uint64_t) ((mb)->buf_physaddr + RTE_PKTMBUF_HEADROOM)
EM_CTX_NUM = 1, /**< CTX NUM */
};
+/** Offload features */
+union em_vlan_macip {
+ uint32_t data;
+ struct {
+ uint16_t l3_len:9; /**< L3 (IP) Header Length. */
+ uint16_t l2_len:7; /**< L2 (MAC) Header Length. */
+ uint16_t vlan_tci;
+ /**< VLAN Tag Control Identifier (CPU order). */
+ } f;
+};
+
+/*
+ * Compare mask for vlan_macip_len.data,
+ * should be in sync with em_vlan_macip.f layout.
+ * */
+#define TX_VLAN_CMP_MASK 0xFFFF0000 /**< VLAN length - 16-bits. */
+#define TX_MAC_LEN_CMP_MASK 0x0000FE00 /**< MAC length - 7-bits. */
+#define TX_IP_LEN_CMP_MASK 0x000001FF /**< IP length - 9-bits. */
+/** MAC+IP length. */
+#define TX_MACIP_LEN_CMP_MASK (TX_MAC_LEN_CMP_MASK | TX_IP_LEN_CMP_MASK)
+
/**
* Structure to check if new context need be built
*/
struct em_ctx_info {
- uint16_t flags; /**< ol_flags related to context build. */
- uint32_t cmp_mask; /**< compare mask */
- union rte_vlan_macip hdrlen; /**< L2 and L3 header lenghts */
+ uint16_t flags; /**< ol_flags related to context build. */
+ uint32_t cmp_mask; /**< compare mask */
+ union em_vlan_macip hdrlen; /**< L2 and L3 header lenghts */
};
/**
em_set_xmit_ctx(struct em_tx_queue* txq,
volatile struct e1000_context_desc *ctx_txd,
uint16_t flags,
- union rte_vlan_macip hdrlen)
+ union em_vlan_macip hdrlen)
{
uint32_t cmp_mask, cmd_len;
uint16_t ipcse, l2len;
*/
static inline uint32_t
what_ctx_update(struct em_tx_queue *txq, uint16_t flags,
- union rte_vlan_macip hdrlen)
+ union em_vlan_macip hdrlen)
{
/* If match with the current context */
if (likely (txq->ctx_cache.flags == flags &&
uint16_t tx_ol_req;
uint32_t ctx;
uint32_t new_ctx;
- union rte_vlan_macip hdrlen;
+ union em_vlan_macip hdrlen;
txq = tx_queue;
sw_ring = txq->sw_ring;
tx_ol_req = (uint16_t)(ol_flags & (PKT_TX_IP_CKSUM |
PKT_TX_L4_MASK));
if (tx_ol_req) {
- hdrlen = tx_pkt->pkt.vlan_macip;
+ hdrlen.f.vlan_tci = tx_pkt->vlan_tci;
+ hdrlen.f.l2_len = tx_pkt->l2_len;
+ hdrlen.f.l3_len = tx_pkt->l3_len;
/* If new context to be built or reuse the exist ctx. */
ctx = what_ctx_update(txq, tx_ol_req, hdrlen);
* This will always be the number of segments + the number of
* Context descriptors required to transmit the packet
*/
- nb_used = (uint16_t)(tx_pkt->pkt.nb_segs + new_ctx);
+ nb_used = (uint16_t)(tx_pkt->nb_segs + new_ctx);
/*
* The number of descriptors that must be allocated for a
" tx_first=%u tx_last=%u\n",
(unsigned) txq->port_id,
(unsigned) txq->queue_id,
- (unsigned) tx_pkt->pkt.pkt_len,
+ (unsigned) tx_pkt->pkt_len,
(unsigned) tx_id,
(unsigned) tx_last);
/* Set VLAN Tag offload fields. */
if (ol_flags & PKT_TX_VLAN_PKT) {
cmd_type_len |= E1000_TXD_CMD_VLE;
- popts_spec = tx_pkt->pkt.vlan_macip.f.vlan_tci <<
- E1000_TXD_VLAN_SHIFT;
+ popts_spec = tx_pkt->vlan_tci << E1000_TXD_VLAN_SHIFT;
}
if (tx_ol_req) {
/*
* Set up Transmit Data Descriptor.
*/
- slen = m_seg->pkt.data_len;
+ slen = m_seg->data_len;
buf_dma_addr = RTE_MBUF_DATA_DMA_ADDR(m_seg);
txd->buffer_addr = rte_cpu_to_le_64(buf_dma_addr);
txe->last_id = tx_last;
tx_id = txe->next_id;
txe = txn;
- m_seg = m_seg->pkt.next;
+ m_seg = m_seg->next;
} while (m_seg != NULL);
/*
*/
pkt_len = (uint16_t) (rte_le_to_cpu_16(rxd.length) -
rxq->crc_len);
- rxm->pkt.data = (char*) rxm->buf_addr + RTE_PKTMBUF_HEADROOM;
- rte_packet_prefetch(rxm->pkt.data);
- rxm->pkt.nb_segs = 1;
- rxm->pkt.next = NULL;
- rxm->pkt.pkt_len = pkt_len;
- rxm->pkt.data_len = pkt_len;
- rxm->pkt.in_port = rxq->port_id;
+ rxm->data_off = RTE_PKTMBUF_HEADROOM;
+ rte_packet_prefetch((char *)rxm->buf_addr + rxm->data_off);
+ rxm->nb_segs = 1;
+ rxm->next = NULL;
+ rxm->pkt_len = pkt_len;
+ rxm->data_len = pkt_len;
+ rxm->port = rxq->port_id;
rxm->ol_flags = rx_desc_status_to_pkt_flags(status);
rxm->ol_flags = (uint16_t)(rxm->ol_flags |
rx_desc_error_to_pkt_flags(rxd.errors));
/* Only valid if PKT_RX_VLAN_PKT set in pkt_flags */
- rxm->pkt.vlan_macip.f.vlan_tci = rte_le_to_cpu_16(rxd.special);
+ rxm->vlan_tci = rte_le_to_cpu_16(rxd.special);
/*
* Store the mbuf address into the next entry of the array
* Set data length & data buffer address of mbuf.
*/
data_len = rte_le_to_cpu_16(rxd.length);
- rxm->pkt.data_len = data_len;
- rxm->pkt.data = (char*) rxm->buf_addr + RTE_PKTMBUF_HEADROOM;
+ rxm->data_len = data_len;
+ rxm->data_off = RTE_PKTMBUF_HEADROOM;
/*
* If this is the first buffer of the received packet,
*/
if (first_seg == NULL) {
first_seg = rxm;
- first_seg->pkt.pkt_len = data_len;
- first_seg->pkt.nb_segs = 1;
+ first_seg->pkt_len = data_len;
+ first_seg->nb_segs = 1;
} else {
- first_seg->pkt.pkt_len += data_len;
- first_seg->pkt.nb_segs++;
- last_seg->pkt.next = rxm;
+ first_seg->pkt_len += data_len;
+ first_seg->nb_segs++;
+ last_seg->next = rxm;
}
/*
* mbuf, subtract the length of that CRC part from the
* data length of the previous mbuf.
*/
- rxm->pkt.next = NULL;
+ rxm->next = NULL;
if (unlikely(rxq->crc_len > 0)) {
- first_seg->pkt.pkt_len -= ETHER_CRC_LEN;
+ first_seg->pkt_len -= ETHER_CRC_LEN;
if (data_len <= ETHER_CRC_LEN) {
rte_pktmbuf_free_seg(rxm);
- first_seg->pkt.nb_segs--;
- last_seg->pkt.data_len = (uint16_t)
- (last_seg->pkt.data_len -
+ first_seg->nb_segs--;
+ last_seg->data_len = (uint16_t)
+ (last_seg->data_len -
(ETHER_CRC_LEN - data_len));
- last_seg->pkt.next = NULL;
+ last_seg->next = NULL;
} else
- rxm->pkt.data_len =
+ rxm->data_len =
(uint16_t) (data_len - ETHER_CRC_LEN);
}
* - IP checksum flag,
* - error flags.
*/
- first_seg->pkt.in_port = rxq->port_id;
+ first_seg->port = rxq->port_id;
first_seg->ol_flags = rx_desc_status_to_pkt_flags(status);
first_seg->ol_flags = (uint16_t)(first_seg->ol_flags |
rx_desc_error_to_pkt_flags(rxd.errors));
/* Only valid if PKT_RX_VLAN_PKT set in pkt_flags */
- rxm->pkt.vlan_macip.f.vlan_tci = rte_le_to_cpu_16(rxd.special);
+ rxm->vlan_tci = rte_le_to_cpu_16(rxd.special);
/* Prefetch data of first segment, if configured to do so. */
- rte_packet_prefetch(first_seg->pkt.data);
+ rte_packet_prefetch((char *)first_seg->buf_addr +
+ first_seg->data_off);
/*
* Store the mbuf address into the next entry of the array
git.droids-corp.org / dpdk.git / blobdiff