#include "sfc_dp_rx.h"
#include "sfc_kvargs.h"
#include "sfc_ef10.h"
+#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(const efx_qword_t rx_ev, struct rte_mbuf *m,
- uint64_t ol_mask)
-{
- 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);
- }
-
-done:
- m->ol_flags = ol_flags & ol_mask;
- 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)
{