#include "sfc_kvargs.h"
#include "sfc_ef10.h"
+#define SFC_EF10_RX_EV_ENCAP_SUPPORT 1
+#include "sfc_ef10_rx_ev.h"
+
#define sfc_ef10_rx_err(dpq, ...) \
SFC_DP_LOG(SFC_KVARG_DATAPATH_EF10, ERR, dpq, __VA_ARGS__)
return n_rx_pkts;
}
-static void
-sfc_ef10_rx_ev_to_offloads(struct sfc_ef10_rxq *rxq, const efx_qword_t rx_ev,
- struct rte_mbuf *m)
-{
- uint32_t tun_ptype = 0;
- /* Which event bit is mapped to PKT_RX_IP_CKSUM_* */
- int8_t ip_csum_err_bit;
- /* Which event bit is mapped to PKT_RX_L4_CKSUM_* */
- int8_t l4_csum_err_bit;
- uint32_t l2_ptype = 0;
- uint32_t l3_ptype = 0;
- uint32_t l4_ptype = 0;
- uint64_t ol_flags = 0;
-
- if (unlikely(EFX_TEST_QWORD_BIT(rx_ev, ESF_DZ_RX_PARSE_INCOMPLETE_LBN)))
- goto done;
-
- switch (EFX_QWORD_FIELD(rx_ev, ESF_EZ_RX_ENCAP_HDR)) {
- default:
- /* Unexpected encapsulation tag class */
- SFC_ASSERT(false);
- /* FALLTHROUGH */
- case ESE_EZ_ENCAP_HDR_NONE:
- break;
- case ESE_EZ_ENCAP_HDR_VXLAN:
- /*
- * It is definitely UDP, but we have no information
- * about IPv4 vs IPv6 and VLAN tagging.
- */
- tun_ptype = RTE_PTYPE_TUNNEL_VXLAN | RTE_PTYPE_L4_UDP;
- break;
- case ESE_EZ_ENCAP_HDR_GRE:
- /*
- * We have no information about IPv4 vs IPv6 and VLAN tagging.
- */
- tun_ptype = RTE_PTYPE_TUNNEL_NVGRE;
- break;
- }
-
- if (tun_ptype == 0) {
- ip_csum_err_bit = ESF_DZ_RX_IPCKSUM_ERR_LBN;
- l4_csum_err_bit = ESF_DZ_RX_TCPUDP_CKSUM_ERR_LBN;
- } else {
- ip_csum_err_bit = ESF_EZ_RX_IP_INNER_CHKSUM_ERR_LBN;
- l4_csum_err_bit = ESF_EZ_RX_TCP_UDP_INNER_CHKSUM_ERR_LBN;
- if (unlikely(EFX_TEST_QWORD_BIT(rx_ev,
- ESF_DZ_RX_IPCKSUM_ERR_LBN)))
- ol_flags |= PKT_RX_EIP_CKSUM_BAD;
- }
-
- switch (EFX_QWORD_FIELD(rx_ev, ESF_DZ_RX_ETH_TAG_CLASS)) {
- case ESE_DZ_ETH_TAG_CLASS_NONE:
- l2_ptype = (tun_ptype == 0) ? RTE_PTYPE_L2_ETHER :
- RTE_PTYPE_INNER_L2_ETHER;
- break;
- case ESE_DZ_ETH_TAG_CLASS_VLAN1:
- l2_ptype = (tun_ptype == 0) ? RTE_PTYPE_L2_ETHER_VLAN :
- RTE_PTYPE_INNER_L2_ETHER_VLAN;
- break;
- case ESE_DZ_ETH_TAG_CLASS_VLAN2:
- l2_ptype = (tun_ptype == 0) ? RTE_PTYPE_L2_ETHER_QINQ :
- RTE_PTYPE_INNER_L2_ETHER_QINQ;
- break;
- default:
- /* Unexpected Eth tag class */
- SFC_ASSERT(false);
- }
-
- switch (EFX_QWORD_FIELD(rx_ev, ESF_DZ_RX_L3_CLASS)) {
- case ESE_DZ_L3_CLASS_IP4_FRAG:
- l4_ptype = (tun_ptype == 0) ? RTE_PTYPE_L4_FRAG :
- RTE_PTYPE_INNER_L4_FRAG;
- /* FALLTHROUGH */
- case ESE_DZ_L3_CLASS_IP4:
- l3_ptype = (tun_ptype == 0) ? RTE_PTYPE_L3_IPV4_EXT_UNKNOWN :
- RTE_PTYPE_INNER_L3_IPV4_EXT_UNKNOWN;
- ol_flags |= PKT_RX_RSS_HASH |
- ((EFX_TEST_QWORD_BIT(rx_ev, ip_csum_err_bit)) ?
- PKT_RX_IP_CKSUM_BAD : PKT_RX_IP_CKSUM_GOOD);
- break;
- case ESE_DZ_L3_CLASS_IP6_FRAG:
- l4_ptype = (tun_ptype == 0) ? RTE_PTYPE_L4_FRAG :
- RTE_PTYPE_INNER_L4_FRAG;
- /* FALLTHROUGH */
- case ESE_DZ_L3_CLASS_IP6:
- l3_ptype = (tun_ptype == 0) ? RTE_PTYPE_L3_IPV6_EXT_UNKNOWN :
- RTE_PTYPE_INNER_L3_IPV6_EXT_UNKNOWN;
- ol_flags |= PKT_RX_RSS_HASH;
- break;
- case ESE_DZ_L3_CLASS_ARP:
- /* Override Layer 2 packet type */
- /* There is no ARP classification for inner packets */
- if (tun_ptype == 0)
- l2_ptype = RTE_PTYPE_L2_ETHER_ARP;
- break;
- default:
- /* Unexpected Layer 3 class */
- SFC_ASSERT(false);
- }
-
- /*
- * RX_L4_CLASS is 3 bits wide on Huntington and Medford, but is only
- * 2 bits wide on Medford2. Check it is safe to use the Medford2 field
- * and values for all EF10 controllers.
- */
- RTE_BUILD_BUG_ON(ESF_FZ_RX_L4_CLASS_LBN != ESF_DE_RX_L4_CLASS_LBN);
- switch (EFX_QWORD_FIELD(rx_ev, ESF_FZ_RX_L4_CLASS)) {
- case ESE_FZ_L4_CLASS_TCP:
- RTE_BUILD_BUG_ON(ESE_FZ_L4_CLASS_TCP != ESE_DE_L4_CLASS_TCP);
- l4_ptype = (tun_ptype == 0) ? RTE_PTYPE_L4_TCP :
- RTE_PTYPE_INNER_L4_TCP;
- ol_flags |=
- (EFX_TEST_QWORD_BIT(rx_ev, l4_csum_err_bit)) ?
- PKT_RX_L4_CKSUM_BAD : PKT_RX_L4_CKSUM_GOOD;
- break;
- case ESE_FZ_L4_CLASS_UDP:
- RTE_BUILD_BUG_ON(ESE_FZ_L4_CLASS_UDP != ESE_DE_L4_CLASS_UDP);
- l4_ptype = (tun_ptype == 0) ? RTE_PTYPE_L4_UDP :
- RTE_PTYPE_INNER_L4_UDP;
- ol_flags |=
- (EFX_TEST_QWORD_BIT(rx_ev, l4_csum_err_bit)) ?
- PKT_RX_L4_CKSUM_BAD : PKT_RX_L4_CKSUM_GOOD;
- break;
- case ESE_FZ_L4_CLASS_UNKNOWN:
- RTE_BUILD_BUG_ON(ESE_FZ_L4_CLASS_UNKNOWN !=
- ESE_DE_L4_CLASS_UNKNOWN);
- break;
- default:
- /* Unexpected Layer 4 class */
- SFC_ASSERT(false);
- }
-
- /* Remove RSS hash offload flag if RSS is not enabled */
- if (~rxq->flags & SFC_EF10_RXQ_RSS_HASH)
- ol_flags &= ~PKT_RX_RSS_HASH;
-
-done:
- m->ol_flags = ol_flags;
- m->packet_type = tun_ptype | l2_ptype | l3_ptype | l4_ptype;
-}
-
static uint16_t
sfc_ef10_rx_pseudo_hdr_get_len(const uint8_t *pseudo_hdr)
{
m->rearm_data[0] = rxq->rearm_data;
/* Classify packet based on Rx event */
- sfc_ef10_rx_ev_to_offloads(rxq, rx_ev, m);
+ /* Mask RSS hash offload flag if RSS is not enabled */
+ sfc_ef10_rx_ev_to_offloads(rx_ev, m,
+ (rxq->flags & SFC_EF10_RXQ_RSS_HASH) ?
+ ~0ull : ~PKT_RX_RSS_HASH);
/* data_off already moved past pseudo header */
pseudo_hdr = (uint8_t *)m->buf_addr + RTE_PKTMBUF_HEADROOM;
uint16_t n_rx_pkts;
efx_qword_t rx_ev;
+ n_rx_pkts = sfc_ef10_rx_prepared(rxq, rx_pkts, nb_pkts);
+
if (unlikely(rxq->flags &
(SFC_EF10_RXQ_NOT_RUNNING | SFC_EF10_RXQ_EXCEPTION)))
- return 0;
-
- n_rx_pkts = sfc_ef10_rx_prepared(rxq, rx_pkts, nb_pkts);
+ goto done;
evq_old_read_ptr = rxq->evq_read_ptr;
while (n_rx_pkts != nb_pkts && sfc_ef10_rx_get_event(rxq, &rx_ev)) {
/* It is not a problem if we refill in the case of exception */
sfc_ef10_rx_qrefill(rxq);
+done:
return n_rx_pkts;
}
-static const uint32_t *
+const uint32_t *
sfc_ef10_supported_ptypes_get(uint32_t tunnel_encaps)
{
static const uint32_t ef10_native_ptypes[] = {
static sfc_dp_rx_qsize_up_rings_t sfc_ef10_rx_qsize_up_rings;
static int
sfc_ef10_rx_qsize_up_rings(uint16_t nb_rx_desc,
+ __rte_unused struct rte_mempool *mb_pool,
unsigned int *rxq_entries,
unsigned int *evq_entries,
unsigned int *rxq_max_fill_level)
{
struct sfc_ef10_rxq *rxq = sfc_ef10_rxq_by_dp_rxq(dp_rxq);
- rxq->prepared = 0;
- rxq->completed = rxq->added = 0;
+ SFC_ASSERT(rxq->prepared == 0);
+ SFC_ASSERT(rxq->completed == 0);
+ SFC_ASSERT(rxq->added == 0);
sfc_ef10_rx_qrefill(rxq);
unsigned int i;
struct sfc_ef10_rx_sw_desc *rxd;
+ rxq->prepared = 0;
+
for (i = rxq->completed; i != rxq->added; ++i) {
rxd = &rxq->sw_ring[i & rxq->ptr_mask];
rte_mempool_put(rxq->refill_mb_pool, rxd->mbuf);
rxd->mbuf = NULL;
}
+ rxq->completed = rxq->added = 0;
+
rxq->flags &= ~SFC_EF10_RXQ_STARTED;
}
.hw_fw_caps = SFC_DP_HW_FW_CAP_EF10,
},
.features = SFC_DP_RX_FEAT_MULTI_PROCESS |
- SFC_DP_RX_FEAT_TUNNELS,
+ SFC_DP_RX_FEAT_TUNNELS |
+ SFC_DP_RX_FEAT_CHECKSUM,
.get_dev_info = sfc_ef10_rx_get_dev_info,
.qsize_up_rings = sfc_ef10_rx_qsize_up_rings,
.qcreate = sfc_ef10_rx_qcreate,
git.droids-corp.org / dpdk.git / blobdiff