PKT_TX_TCP_SEG | \
PKT_TX_OUTER_IP_CKSUM)
-#define ICE_RX_ERR_BITS 0x3f
static enum ice_status
ice_program_hw_rx_queue(struct ice_rx_queue *rxq)
enum ice_status err;
uint16_t buf_size, len;
struct rte_eth_rxmode *rxmode = &dev->data->dev_conf.rxmode;
+ uint32_t rxdid = ICE_RXDID_COMMS_GENERIC;
uint32_t regval;
- /**
- * The kernel driver uses flex descriptor. It sets the register
- * to flex descriptor mode.
- * DPDK uses legacy descriptor. It should set the register back
- * to the default value, then uses legacy descriptor mode.
- */
- regval = (0x01 << QRXFLXP_CNTXT_RXDID_PRIO_S) &
- QRXFLXP_CNTXT_RXDID_PRIO_M;
- ICE_WRITE_REG(hw, QRXFLXP_CNTXT(rxq->reg_idx), regval);
-
/* Set buffer size as the head split is disabled. */
buf_size = (uint16_t)(rte_pktmbuf_data_room_size(rxq->mp) -
RTE_PKTMBUF_HEADROOM);
rx_ctx.showiv = 0;
rx_ctx.crcstrip = (rxq->crc_len == 0) ? 1 : 0;
+ /* Enable Flexible Descriptors in the queue context which
+ * allows this driver to select a specific receive descriptor format
+ */
+ regval = (rxdid << QRXFLXP_CNTXT_RXDID_IDX_S) &
+ QRXFLXP_CNTXT_RXDID_IDX_M;
+
+ /* increasing context priority to pick up profile ID;
+ * default is 0x01; setting to 0x03 to ensure profile
+ * is programming if prev context is of same priority
+ */
+ regval |= (0x03 << QRXFLXP_CNTXT_RXDID_PRIO_S) &
+ QRXFLXP_CNTXT_RXDID_PRIO_M;
+
+ ICE_WRITE_REG(hw, QRXFLXP_CNTXT(rxq->reg_idx), regval);
+
err = ice_clear_rxq_ctx(hw, rxq->reg_idx);
if (err) {
PMD_DRV_LOG(ERR, "Failed to clear Lan Rx queue (%u) context",
ice_rx_queue_count(struct rte_eth_dev *dev, uint16_t rx_queue_id)
{
#define ICE_RXQ_SCAN_INTERVAL 4
- volatile union ice_rx_desc *rxdp;
+ volatile union ice_rx_flex_desc *rxdp;
struct ice_rx_queue *rxq;
uint16_t desc = 0;
rxq = dev->data->rx_queues[rx_queue_id];
- rxdp = &rxq->rx_ring[rxq->rx_tail];
+ rxdp = (volatile union ice_rx_flex_desc *)&rxq->rx_ring[rxq->rx_tail];
while ((desc < rxq->nb_rx_desc) &&
- ((rte_le_to_cpu_64(rxdp->wb.qword1.status_error_len) &
- ICE_RXD_QW1_STATUS_M) >> ICE_RXD_QW1_STATUS_S) &
- (1 << ICE_RX_DESC_STATUS_DD_S)) {
+ rte_le_to_cpu_16(rxdp->wb.status_error0) &
+ (1 << ICE_RX_FLEX_DESC_STATUS0_DD_S)) {
/**
* Check the DD bit of a rx descriptor of each 4 in a group,
* to avoid checking too frequently and downgrading performance
desc += ICE_RXQ_SCAN_INTERVAL;
rxdp += ICE_RXQ_SCAN_INTERVAL;
if (rxq->rx_tail + desc >= rxq->nb_rx_desc)
- rxdp = &(rxq->rx_ring[rxq->rx_tail +
+ rxdp = (volatile union ice_rx_flex_desc *)
+ &(rxq->rx_ring[rxq->rx_tail +
desc - rxq->nb_rx_desc]);
}
return desc;
}
-/* Translate the rx descriptor status to pkt flags */
-static inline uint64_t
-ice_rxd_status_to_pkt_flags(uint64_t qword)
-{
- uint64_t flags;
-
- /* Check if RSS_HASH */
- flags = (((qword >> ICE_RX_DESC_STATUS_FLTSTAT_S) &
- ICE_RX_DESC_FLTSTAT_RSS_HASH) ==
- ICE_RX_DESC_FLTSTAT_RSS_HASH) ? PKT_RX_RSS_HASH : 0;
-
- return flags;
-}
+#define ICE_RX_FLEX_ERR0_BITS \
+ ((1 << ICE_RX_FLEX_DESC_STATUS0_HBO_S) | \
+ (1 << ICE_RX_FLEX_DESC_STATUS0_XSUM_IPE_S) | \
+ (1 << ICE_RX_FLEX_DESC_STATUS0_XSUM_L4E_S) | \
+ (1 << ICE_RX_FLEX_DESC_STATUS0_XSUM_EIPE_S) | \
+ (1 << ICE_RX_FLEX_DESC_STATUS0_XSUM_EUDPE_S) | \
+ (1 << ICE_RX_FLEX_DESC_STATUS0_RXE_S))
/* Rx L3/L4 checksum */
static inline uint64_t
-ice_rxd_error_to_pkt_flags(uint64_t qword)
+ice_rxd_error_to_pkt_flags(uint16_t stat_err0)
{
uint64_t flags = 0;
- uint64_t error_bits = (qword >> ICE_RXD_QW1_ERROR_S);
- if (likely((error_bits & ICE_RX_ERR_BITS) == 0)) {
+ /* check if HW has decoded the packet and checksum */
+ if (unlikely(!(stat_err0 & (1 << ICE_RX_FLEX_DESC_STATUS0_L3L4P_S))))
+ return 0;
+
+ if (likely(!(stat_err0 & ICE_RX_FLEX_ERR0_BITS))) {
flags |= (PKT_RX_IP_CKSUM_GOOD | PKT_RX_L4_CKSUM_GOOD);
return flags;
}
- if (unlikely(error_bits & (1 << ICE_RX_DESC_ERROR_IPE_S)))
+ if (unlikely(stat_err0 & (1 << ICE_RX_FLEX_DESC_STATUS0_XSUM_IPE_S)))
flags |= PKT_RX_IP_CKSUM_BAD;
else
flags |= PKT_RX_IP_CKSUM_GOOD;
- if (unlikely(error_bits & (1 << ICE_RX_DESC_ERROR_L4E_S)))
+ if (unlikely(stat_err0 & (1 << ICE_RX_FLEX_DESC_STATUS0_XSUM_L4E_S)))
flags |= PKT_RX_L4_CKSUM_BAD;
else
flags |= PKT_RX_L4_CKSUM_GOOD;
- if (unlikely(error_bits & (1 << ICE_RX_DESC_ERROR_EIPE_S)))
+ if (unlikely(stat_err0 & (1 << ICE_RX_FLEX_DESC_STATUS0_XSUM_EIPE_S)))
flags |= PKT_RX_EIP_CKSUM_BAD;
return flags;
}
static inline void
-ice_rxd_to_vlan_tci(struct rte_mbuf *mb, volatile union ice_rx_desc *rxdp)
+ice_rxd_to_vlan_tci(struct rte_mbuf *mb, volatile union ice_rx_flex_desc *rxdp)
{
- if (rte_le_to_cpu_64(rxdp->wb.qword1.status_error_len) &
- (1 << ICE_RX_DESC_STATUS_L2TAG1P_S)) {
+ if (rte_le_to_cpu_16(rxdp->wb.status_error0) &
+ (1 << ICE_RX_FLEX_DESC_STATUS0_L2TAG1P_S)) {
mb->ol_flags |= PKT_RX_VLAN | PKT_RX_VLAN_STRIPPED;
mb->vlan_tci =
- rte_le_to_cpu_16(rxdp->wb.qword0.lo_dword.l2tag1);
+ rte_le_to_cpu_16(rxdp->wb.l2tag1);
PMD_RX_LOG(DEBUG, "Descriptor l2tag1: %u",
- rte_le_to_cpu_16(rxdp->wb.qword0.lo_dword.l2tag1));
+ rte_le_to_cpu_16(rxdp->wb.l2tag1));
} else {
mb->vlan_tci = 0;
}
#ifndef RTE_LIBRTE_ICE_16BYTE_RX_DESC
- if (rte_le_to_cpu_16(rxdp->wb.qword2.ext_status) &
- (1 << ICE_RX_DESC_EXT_STATUS_L2TAG2P_S)) {
+ if (rte_le_to_cpu_16(rxdp->wb.status_error1) &
+ (1 << ICE_RX_FLEX_DESC_STATUS1_L2TAG2P_S)) {
mb->ol_flags |= PKT_RX_QINQ_STRIPPED | PKT_RX_QINQ |
PKT_RX_VLAN_STRIPPED | PKT_RX_VLAN;
mb->vlan_tci_outer = mb->vlan_tci;
- mb->vlan_tci = rte_le_to_cpu_16(rxdp->wb.qword2.l2tag2_2);
+ mb->vlan_tci = rte_le_to_cpu_16(rxdp->wb.l2tag2_2nd);
PMD_RX_LOG(DEBUG, "Descriptor l2tag2_1: %u, l2tag2_2: %u",
- rte_le_to_cpu_16(rxdp->wb.qword2.l2tag2_1),
- rte_le_to_cpu_16(rxdp->wb.qword2.l2tag2_2));
+ rte_le_to_cpu_16(rxdp->wb.l2tag2_1st),
+ rte_le_to_cpu_16(rxdp->wb.l2tag2_2nd));
} else {
mb->vlan_tci_outer = 0;
}
mb->vlan_tci, mb->vlan_tci_outer);
}
+static inline void
+ice_rxd_to_pkt_fields(struct rte_mbuf *mb,
+ volatile union ice_rx_flex_desc *rxdp)
+{
+ volatile struct ice_32b_rx_flex_desc_comms *desc =
+ (volatile struct ice_32b_rx_flex_desc_comms *)rxdp;
+ uint16_t stat_err;
+
+ stat_err = rte_le_to_cpu_16(desc->status_error0);
+ if (likely(stat_err & (1 << ICE_RX_FLEX_DESC_STATUS0_RSS_VALID_S))) {
+ mb->ol_flags |= PKT_RX_RSS_HASH;
+ mb->hash.rss = rte_le_to_cpu_32(desc->rss_hash);
+ }
+}
+
#ifdef RTE_LIBRTE_ICE_RX_ALLOW_BULK_ALLOC
#define ICE_LOOK_AHEAD 8
#if (ICE_LOOK_AHEAD != 8)
static inline int
ice_rx_scan_hw_ring(struct ice_rx_queue *rxq)
{
- volatile union ice_rx_desc *rxdp;
+ volatile union ice_rx_flex_desc *rxdp;
struct ice_rx_entry *rxep;
struct rte_mbuf *mb;
+ uint16_t stat_err0;
uint16_t pkt_len;
- uint64_t qword1;
- uint32_t rx_status;
int32_t s[ICE_LOOK_AHEAD], nb_dd;
int32_t i, j, nb_rx = 0;
uint64_t pkt_flags = 0;
uint32_t *ptype_tbl = rxq->vsi->adapter->ptype_tbl;
- rxdp = &rxq->rx_ring[rxq->rx_tail];
+ rxdp = (volatile union ice_rx_flex_desc *)&rxq->rx_ring[rxq->rx_tail];
rxep = &rxq->sw_ring[rxq->rx_tail];
- qword1 = rte_le_to_cpu_64(rxdp->wb.qword1.status_error_len);
- rx_status = (qword1 & ICE_RXD_QW1_STATUS_M) >> ICE_RXD_QW1_STATUS_S;
+ stat_err0 = rte_le_to_cpu_16(rxdp->wb.status_error0);
/* Make sure there is at least 1 packet to receive */
- if (!(rx_status & (1 << ICE_RX_DESC_STATUS_DD_S)))
+ if (!(stat_err0 & (1 << ICE_RX_FLEX_DESC_STATUS0_DD_S)))
return 0;
/**
for (i = 0; i < ICE_RX_MAX_BURST; i += ICE_LOOK_AHEAD,
rxdp += ICE_LOOK_AHEAD, rxep += ICE_LOOK_AHEAD) {
/* Read desc statuses backwards to avoid race condition */
- for (j = ICE_LOOK_AHEAD - 1; j >= 0; j--) {
- qword1 = rte_le_to_cpu_64(
- rxdp[j].wb.qword1.status_error_len);
- s[j] = (qword1 & ICE_RXD_QW1_STATUS_M) >>
- ICE_RXD_QW1_STATUS_S;
- }
+ for (j = ICE_LOOK_AHEAD - 1; j >= 0; j--)
+ s[j] = rte_le_to_cpu_16(rxdp[j].wb.status_error0);
rte_smp_rmb();
/* Compute how many status bits were set */
for (j = 0, nb_dd = 0; j < ICE_LOOK_AHEAD; j++)
- nb_dd += s[j] & (1 << ICE_RX_DESC_STATUS_DD_S);
+ nb_dd += s[j] & (1 << ICE_RX_FLEX_DESC_STATUS0_DD_S);
nb_rx += nb_dd;
/* Translate descriptor info to mbuf parameters */
for (j = 0; j < nb_dd; j++) {
mb = rxep[j].mbuf;
- qword1 = rte_le_to_cpu_64(
- rxdp[j].wb.qword1.status_error_len);
- pkt_len = ((qword1 & ICE_RXD_QW1_LEN_PBUF_M) >>
- ICE_RXD_QW1_LEN_PBUF_S) - rxq->crc_len;
+ pkt_len = (rte_le_to_cpu_16(rxdp[j].wb.pkt_len) &
+ ICE_RX_FLX_DESC_PKT_LEN_M) - rxq->crc_len;
mb->data_len = pkt_len;
mb->pkt_len = pkt_len;
mb->ol_flags = 0;
- pkt_flags = ice_rxd_status_to_pkt_flags(qword1);
- pkt_flags |= ice_rxd_error_to_pkt_flags(qword1);
- if (pkt_flags & PKT_RX_RSS_HASH)
- mb->hash.rss =
- rte_le_to_cpu_32(
- rxdp[j].wb.qword0.hi_dword.rss);
- mb->packet_type = ptype_tbl[(uint8_t)(
- (qword1 &
- ICE_RXD_QW1_PTYPE_M) >>
- ICE_RXD_QW1_PTYPE_S)];
+ stat_err0 = rte_le_to_cpu_16(rxdp[j].wb.status_error0);
+ pkt_flags = ice_rxd_error_to_pkt_flags(stat_err0);
+ mb->packet_type = ptype_tbl[ICE_RX_FLEX_DESC_PTYPE_M &
+ rte_le_to_cpu_16(rxdp[j].wb.ptype_flex_flags0)];
ice_rxd_to_vlan_tci(mb, &rxdp[j]);
+ ice_rxd_to_pkt_fields(mb, &rxdp[j]);
mb->ol_flags |= pkt_flags;
}
{
struct ice_rx_queue *rxq = rx_queue;
volatile union ice_rx_desc *rx_ring = rxq->rx_ring;
- volatile union ice_rx_desc *rxdp;
- union ice_rx_desc rxd;
+ volatile union ice_rx_flex_desc *rxdp;
+ union ice_rx_flex_desc rxd;
struct ice_rx_entry *sw_ring = rxq->sw_ring;
struct ice_rx_entry *rxe;
struct rte_mbuf *first_seg = rxq->pkt_first_seg;
uint16_t nb_rx = 0;
uint16_t nb_hold = 0;
uint16_t rx_packet_len;
- uint32_t rx_status;
- uint64_t qword1;
+ uint16_t rx_stat_err0;
uint64_t dma_addr;
- uint64_t pkt_flags = 0;
+ uint64_t pkt_flags;
uint32_t *ptype_tbl = rxq->vsi->adapter->ptype_tbl;
struct rte_eth_dev *dev;
while (nb_rx < nb_pkts) {
- rxdp = &rx_ring[rx_id];
- qword1 = rte_le_to_cpu_64(rxdp->wb.qword1.status_error_len);
- rx_status = (qword1 & ICE_RXD_QW1_STATUS_M) >>
- ICE_RXD_QW1_STATUS_S;
+ rxdp = (volatile union ice_rx_flex_desc *)&rx_ring[rx_id];
+ rx_stat_err0 = rte_le_to_cpu_16(rxdp->wb.status_error0);
/* Check the DD bit first */
- if (!(rx_status & (1 << ICE_RX_DESC_STATUS_DD_S)))
+ if (!(rx_stat_err0 & (1 << ICE_RX_FLEX_DESC_STATUS0_DD_S)))
break;
/* allocate mbuf */
/* Set data buffer address and data length of the mbuf */
rxdp->read.hdr_addr = 0;
rxdp->read.pkt_addr = dma_addr;
- rx_packet_len = (qword1 & ICE_RXD_QW1_LEN_PBUF_M) >>
- ICE_RXD_QW1_LEN_PBUF_S;
+ rx_packet_len = rte_le_to_cpu_16(rxd.wb.pkt_len) &
+ ICE_RX_FLX_DESC_PKT_LEN_M;
rxm->data_len = rx_packet_len;
rxm->data_off = RTE_PKTMBUF_HEADROOM;
- ice_rxd_to_vlan_tci(rxm, rxdp);
- rxm->packet_type = ptype_tbl[(uint8_t)((qword1 &
- ICE_RXD_QW1_PTYPE_M) >>
- ICE_RXD_QW1_PTYPE_S)];
/**
* If this is the first buffer of the received packet, set the
* update the pointer to the last mbuf of the current scattered
* packet and continue to parse the RX ring.
*/
- if (!(rx_status & (1 << ICE_RX_DESC_STATUS_EOF_S))) {
+ if (!(rx_stat_err0 & (1 << ICE_RX_FLEX_DESC_STATUS0_EOF_S))) {
last_seg = rxm;
continue;
}
first_seg->port = rxq->port_id;
first_seg->ol_flags = 0;
-
- pkt_flags = ice_rxd_status_to_pkt_flags(qword1);
- pkt_flags |= ice_rxd_error_to_pkt_flags(qword1);
- if (pkt_flags & PKT_RX_RSS_HASH)
- first_seg->hash.rss =
- rte_le_to_cpu_32(rxd.wb.qword0.hi_dword.rss);
-
+ first_seg->packet_type = ptype_tbl[ICE_RX_FLEX_DESC_PTYPE_M &
+ rte_le_to_cpu_16(rxd.wb.ptype_flex_flags0)];
+ ice_rxd_to_vlan_tci(first_seg, &rxd);
+ ice_rxd_to_pkt_fields(first_seg, &rxd);
+ pkt_flags = ice_rxd_error_to_pkt_flags(rx_stat_err0);
first_seg->ol_flags |= pkt_flags;
/* Prefetch data of first segment, if configured to do so. */
rte_prefetch0(RTE_PTR_ADD(first_seg->buf_addr,
int
ice_rx_descriptor_status(void *rx_queue, uint16_t offset)
{
+ volatile union ice_rx_flex_desc *rxdp;
struct ice_rx_queue *rxq = rx_queue;
- volatile uint64_t *status;
- uint64_t mask;
uint32_t desc;
if (unlikely(offset >= rxq->nb_rx_desc))
if (desc >= rxq->nb_rx_desc)
desc -= rxq->nb_rx_desc;
- status = &rxq->rx_ring[desc].wb.qword1.status_error_len;
- mask = rte_cpu_to_le_64((1ULL << ICE_RX_DESC_STATUS_DD_S) <<
- ICE_RXD_QW1_STATUS_S);
- if (*status & mask)
+ rxdp = (volatile union ice_rx_flex_desc *)&rxq->rx_ring[desc];
+ if (rte_le_to_cpu_16(rxdp->wb.status_error0) &
+ (1 << ICE_RX_FLEX_DESC_STATUS0_DD_S))
return RTE_ETH_RX_DESC_DONE;
return RTE_ETH_RX_DESC_AVAIL;
{
struct ice_rx_queue *rxq = rx_queue;
volatile union ice_rx_desc *rx_ring = rxq->rx_ring;
- volatile union ice_rx_desc *rxdp;
- union ice_rx_desc rxd;
+ volatile union ice_rx_flex_desc *rxdp;
+ union ice_rx_flex_desc rxd;
struct ice_rx_entry *sw_ring = rxq->sw_ring;
struct ice_rx_entry *rxe;
struct rte_mbuf *nmb; /* new allocated mbuf */
uint16_t nb_rx = 0;
uint16_t nb_hold = 0;
uint16_t rx_packet_len;
- uint32_t rx_status;
- uint64_t qword1;
+ uint16_t rx_stat_err0;
uint64_t dma_addr;
- uint64_t pkt_flags = 0;
+ uint64_t pkt_flags;
uint32_t *ptype_tbl = rxq->vsi->adapter->ptype_tbl;
struct rte_eth_dev *dev;
while (nb_rx < nb_pkts) {
- rxdp = &rx_ring[rx_id];
- qword1 = rte_le_to_cpu_64(rxdp->wb.qword1.status_error_len);
- rx_status = (qword1 & ICE_RXD_QW1_STATUS_M) >>
- ICE_RXD_QW1_STATUS_S;
+ rxdp = (volatile union ice_rx_flex_desc *)&rx_ring[rx_id];
+ rx_stat_err0 = rte_le_to_cpu_16(rxdp->wb.status_error0);
/* Check the DD bit first */
- if (!(rx_status & (1 << ICE_RX_DESC_STATUS_DD_S)))
+ if (!(rx_stat_err0 & (1 << ICE_RX_FLEX_DESC_STATUS0_DD_S)))
break;
/* allocate mbuf */
rxdp->read.pkt_addr = dma_addr;
/* calculate rx_packet_len of the received pkt */
- rx_packet_len = ((qword1 & ICE_RXD_QW1_LEN_PBUF_M) >>
- ICE_RXD_QW1_LEN_PBUF_S) - rxq->crc_len;
+ rx_packet_len = (rte_le_to_cpu_16(rxd.wb.pkt_len) &
+ ICE_RX_FLX_DESC_PKT_LEN_M) - rxq->crc_len;
/* fill old mbuf with received descriptor: rxd */
rxm->data_off = RTE_PKTMBUF_HEADROOM;
rxm->pkt_len = rx_packet_len;
rxm->data_len = rx_packet_len;
rxm->port = rxq->port_id;
- ice_rxd_to_vlan_tci(rxm, rxdp);
- rxm->packet_type = ptype_tbl[(uint8_t)((qword1 &
- ICE_RXD_QW1_PTYPE_M) >>
- ICE_RXD_QW1_PTYPE_S)];
- pkt_flags = ice_rxd_status_to_pkt_flags(qword1);
- pkt_flags |= ice_rxd_error_to_pkt_flags(qword1);
- if (pkt_flags & PKT_RX_RSS_HASH)
- rxm->hash.rss =
- rte_le_to_cpu_32(rxd.wb.qword0.hi_dword.rss);
+ rxm->packet_type = ptype_tbl[ICE_RX_FLEX_DESC_PTYPE_M &
+ rte_le_to_cpu_16(rxd.wb.ptype_flex_flags0)];
+ ice_rxd_to_vlan_tci(rxm, &rxd);
+ ice_rxd_to_pkt_fields(rxm, &rxd);
+ pkt_flags = ice_rxd_error_to_pkt_flags(rx_stat_err0);
rxm->ol_flags |= pkt_flags;
/* copy old mbuf to rx_pkts */
rx_pkts[nb_rx++] = rxm;
git.droids-corp.org / dpdk.git / commitdiff