#include "enic_compat.h"
#include "rq_enet_desc.h"
#include "enic.h"
+#include "enic_rxtx_common.h"
#include <rte_ether.h>
#include <rte_ip.h>
#include <rte_tcp.h>
#define rte_packet_prefetch(p) do {} while (0)
#endif
-static inline uint16_t
-enic_cq_rx_desc_ciflags(struct cq_enet_rq_desc *crd)
-{
- return le16_to_cpu(crd->completed_index_flags) & ~CQ_DESC_COMP_NDX_MASK;
-}
-
-static inline uint16_t
-enic_cq_rx_desc_bwflags(struct cq_enet_rq_desc *crd)
-{
- return le16_to_cpu(crd->bytes_written_flags) &
- ~CQ_ENET_RQ_DESC_BYTES_WRITTEN_MASK;
-}
-
-static inline uint8_t
-enic_cq_rx_desc_packet_error(uint16_t bwflags)
-{
- return (bwflags & CQ_ENET_RQ_DESC_FLAGS_TRUNCATED) ==
- CQ_ENET_RQ_DESC_FLAGS_TRUNCATED;
-}
-
-static inline uint8_t
-enic_cq_rx_desc_eop(uint16_t ciflags)
-{
- return (ciflags & CQ_ENET_RQ_DESC_FLAGS_EOP)
- == CQ_ENET_RQ_DESC_FLAGS_EOP;
-}
-
-static inline uint8_t
-enic_cq_rx_desc_csum_not_calc(struct cq_enet_rq_desc *cqrd)
-{
- return (le16_to_cpu(cqrd->q_number_rss_type_flags) &
- CQ_ENET_RQ_DESC_FLAGS_CSUM_NOT_CALC) ==
- CQ_ENET_RQ_DESC_FLAGS_CSUM_NOT_CALC;
-}
-
-static inline uint8_t
-enic_cq_rx_desc_ipv4_csum_ok(struct cq_enet_rq_desc *cqrd)
-{
- return (cqrd->flags & CQ_ENET_RQ_DESC_FLAGS_IPV4_CSUM_OK) ==
- CQ_ENET_RQ_DESC_FLAGS_IPV4_CSUM_OK;
-}
-
-static inline uint8_t
-enic_cq_rx_desc_tcp_udp_csum_ok(struct cq_enet_rq_desc *cqrd)
-{
- return (cqrd->flags & CQ_ENET_RQ_DESC_FLAGS_TCP_UDP_CSUM_OK) ==
- CQ_ENET_RQ_DESC_FLAGS_TCP_UDP_CSUM_OK;
-}
-
-static inline uint8_t
-enic_cq_rx_desc_rss_type(struct cq_enet_rq_desc *cqrd)
-{
- return (uint8_t)((le16_to_cpu(cqrd->q_number_rss_type_flags) >>
- CQ_DESC_Q_NUM_BITS) & CQ_ENET_RQ_DESC_RSS_TYPE_MASK);
-}
-
-static inline uint32_t
-enic_cq_rx_desc_rss_hash(struct cq_enet_rq_desc *cqrd)
-{
- return le32_to_cpu(cqrd->rss_hash);
-}
-
-static inline uint16_t
-enic_cq_rx_desc_vlan(struct cq_enet_rq_desc *cqrd)
-{
- return le16_to_cpu(cqrd->vlan);
-}
-
-static inline uint16_t
-enic_cq_rx_desc_n_bytes(struct cq_desc *cqd)
-{
- struct cq_enet_rq_desc *cqrd = (struct cq_enet_rq_desc *)cqd;
- return le16_to_cpu(cqrd->bytes_written_flags) &
- CQ_ENET_RQ_DESC_BYTES_WRITTEN_MASK;
-}
-
-
-static inline uint8_t
-enic_cq_rx_check_err(struct cq_desc *cqd)
-{
- struct cq_enet_rq_desc *cqrd = (struct cq_enet_rq_desc *)cqd;
- uint16_t bwflags;
-
- bwflags = enic_cq_rx_desc_bwflags(cqrd);
- if (unlikely(enic_cq_rx_desc_packet_error(bwflags)))
- return 1;
- return 0;
-}
-
-/* Lookup table to translate RX CQ flags to mbuf flags. */
-static inline uint32_t
-enic_cq_rx_flags_to_pkt_type(struct cq_desc *cqd, uint8_t tnl)
-{
- struct cq_enet_rq_desc *cqrd = (struct cq_enet_rq_desc *)cqd;
- uint8_t cqrd_flags = cqrd->flags;
- /*
- * Odd-numbered entries are for tunnel packets. All packet type info
- * applies to the inner packet, and there is no info on the outer
- * packet. The outer flags in these entries exist only to avoid
- * changing enic_cq_rx_to_pkt_flags(). They are cleared from mbuf
- * afterwards.
- *
- * Also, as there is no tunnel type info (VXLAN, NVGRE, or GENEVE), set
- * RTE_PTYPE_TUNNEL_GRENAT..
- */
- static const uint32_t cq_type_table[128] __rte_cache_aligned = {
- [0x00] = RTE_PTYPE_UNKNOWN,
- [0x01] = RTE_PTYPE_UNKNOWN |
- RTE_PTYPE_TUNNEL_GRENAT |
- RTE_PTYPE_INNER_L2_ETHER,
- [0x20] = RTE_PTYPE_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_L4_NONFRAG,
- [0x21] = RTE_PTYPE_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_L4_NONFRAG |
- RTE_PTYPE_TUNNEL_GRENAT |
- RTE_PTYPE_INNER_L2_ETHER |
- RTE_PTYPE_INNER_L3_IPV4_EXT_UNKNOWN |
- RTE_PTYPE_INNER_L4_NONFRAG,
- [0x22] = RTE_PTYPE_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_L4_UDP,
- [0x23] = RTE_PTYPE_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_L4_UDP |
- RTE_PTYPE_TUNNEL_GRENAT |
- RTE_PTYPE_INNER_L2_ETHER |
- RTE_PTYPE_INNER_L3_IPV4_EXT_UNKNOWN |
- RTE_PTYPE_INNER_L4_UDP,
- [0x24] = RTE_PTYPE_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_L4_TCP,
- [0x25] = RTE_PTYPE_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_L4_TCP |
- RTE_PTYPE_TUNNEL_GRENAT |
- RTE_PTYPE_INNER_L2_ETHER |
- RTE_PTYPE_INNER_L3_IPV4_EXT_UNKNOWN |
- RTE_PTYPE_INNER_L4_TCP,
- [0x60] = RTE_PTYPE_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_L4_FRAG,
- [0x61] = RTE_PTYPE_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_L4_FRAG |
- RTE_PTYPE_TUNNEL_GRENAT |
- RTE_PTYPE_INNER_L2_ETHER |
- RTE_PTYPE_INNER_L3_IPV4_EXT_UNKNOWN |
- RTE_PTYPE_INNER_L4_FRAG,
- [0x62] = RTE_PTYPE_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_L4_FRAG,
- [0x63] = RTE_PTYPE_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_L4_FRAG |
- RTE_PTYPE_TUNNEL_GRENAT |
- RTE_PTYPE_INNER_L2_ETHER |
- RTE_PTYPE_INNER_L3_IPV4_EXT_UNKNOWN |
- RTE_PTYPE_INNER_L4_FRAG,
- [0x64] = RTE_PTYPE_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_L4_FRAG,
- [0x65] = RTE_PTYPE_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_L4_FRAG |
- RTE_PTYPE_TUNNEL_GRENAT |
- RTE_PTYPE_INNER_L2_ETHER |
- RTE_PTYPE_INNER_L3_IPV4_EXT_UNKNOWN |
- RTE_PTYPE_INNER_L4_FRAG,
- [0x10] = RTE_PTYPE_L3_IPV6_EXT_UNKNOWN | RTE_PTYPE_L4_NONFRAG,
- [0x11] = RTE_PTYPE_L3_IPV6_EXT_UNKNOWN | RTE_PTYPE_L4_NONFRAG |
- RTE_PTYPE_TUNNEL_GRENAT |
- RTE_PTYPE_INNER_L2_ETHER |
- RTE_PTYPE_INNER_L3_IPV6_EXT_UNKNOWN |
- RTE_PTYPE_INNER_L4_NONFRAG,
- [0x12] = RTE_PTYPE_L3_IPV6_EXT_UNKNOWN | RTE_PTYPE_L4_UDP,
- [0x13] = RTE_PTYPE_L3_IPV6_EXT_UNKNOWN | RTE_PTYPE_L4_UDP |
- RTE_PTYPE_TUNNEL_GRENAT |
- RTE_PTYPE_INNER_L2_ETHER |
- RTE_PTYPE_INNER_L3_IPV6_EXT_UNKNOWN |
- RTE_PTYPE_INNER_L4_UDP,
- [0x14] = RTE_PTYPE_L3_IPV6_EXT_UNKNOWN | RTE_PTYPE_L4_TCP,
- [0x15] = RTE_PTYPE_L3_IPV6_EXT_UNKNOWN | RTE_PTYPE_L4_TCP |
- RTE_PTYPE_TUNNEL_GRENAT |
- RTE_PTYPE_INNER_L2_ETHER |
- RTE_PTYPE_INNER_L3_IPV6_EXT_UNKNOWN |
- RTE_PTYPE_INNER_L4_TCP,
- [0x50] = RTE_PTYPE_L3_IPV6_EXT_UNKNOWN | RTE_PTYPE_L4_FRAG,
- [0x51] = RTE_PTYPE_L3_IPV6_EXT_UNKNOWN | RTE_PTYPE_L4_FRAG |
- RTE_PTYPE_TUNNEL_GRENAT |
- RTE_PTYPE_INNER_L2_ETHER |
- RTE_PTYPE_INNER_L3_IPV6_EXT_UNKNOWN |
- RTE_PTYPE_INNER_L4_FRAG,
- [0x52] = RTE_PTYPE_L3_IPV6_EXT_UNKNOWN | RTE_PTYPE_L4_FRAG,
- [0x53] = RTE_PTYPE_L3_IPV6_EXT_UNKNOWN | RTE_PTYPE_L4_FRAG |
- RTE_PTYPE_TUNNEL_GRENAT |
- RTE_PTYPE_INNER_L2_ETHER |
- RTE_PTYPE_INNER_L3_IPV6_EXT_UNKNOWN |
- RTE_PTYPE_INNER_L4_FRAG,
- [0x54] = RTE_PTYPE_L3_IPV6_EXT_UNKNOWN | RTE_PTYPE_L4_FRAG,
- [0x55] = RTE_PTYPE_L3_IPV6_EXT_UNKNOWN | RTE_PTYPE_L4_FRAG |
- RTE_PTYPE_TUNNEL_GRENAT |
- RTE_PTYPE_INNER_L2_ETHER |
- RTE_PTYPE_INNER_L3_IPV6_EXT_UNKNOWN |
- RTE_PTYPE_INNER_L4_FRAG,
- /* All others reserved */
- };
- cqrd_flags &= CQ_ENET_RQ_DESC_FLAGS_IPV4_FRAGMENT
- | CQ_ENET_RQ_DESC_FLAGS_IPV4 | CQ_ENET_RQ_DESC_FLAGS_IPV6
- | CQ_ENET_RQ_DESC_FLAGS_TCP | CQ_ENET_RQ_DESC_FLAGS_UDP;
- return cq_type_table[cqrd_flags + tnl];
-}
-
-static inline void
-enic_cq_rx_to_pkt_flags(struct cq_desc *cqd, struct rte_mbuf *mbuf)
-{
- struct cq_enet_rq_desc *cqrd = (struct cq_enet_rq_desc *)cqd;
- uint16_t bwflags, pkt_flags = 0, vlan_tci;
- bwflags = enic_cq_rx_desc_bwflags(cqrd);
- vlan_tci = enic_cq_rx_desc_vlan(cqrd);
-
- /* VLAN STRIPPED flag. The L2 packet type updated here also */
- if (bwflags & CQ_ENET_RQ_DESC_FLAGS_VLAN_STRIPPED) {
- pkt_flags |= PKT_RX_VLAN | PKT_RX_VLAN_STRIPPED;
- mbuf->packet_type |= RTE_PTYPE_L2_ETHER;
- } else {
- if (vlan_tci != 0) {
- pkt_flags |= PKT_RX_VLAN;
- mbuf->packet_type |= RTE_PTYPE_L2_ETHER_VLAN;
- } else {
- mbuf->packet_type |= RTE_PTYPE_L2_ETHER;
- }
- }
- mbuf->vlan_tci = vlan_tci;
-
- if ((cqd->type_color & CQ_DESC_TYPE_MASK) == CQ_DESC_TYPE_CLASSIFIER) {
- struct cq_enet_rq_clsf_desc *clsf_cqd;
- uint16_t filter_id;
- clsf_cqd = (struct cq_enet_rq_clsf_desc *)cqd;
- filter_id = clsf_cqd->filter_id;
- if (filter_id) {
- pkt_flags |= PKT_RX_FDIR;
- if (filter_id != ENIC_MAGIC_FILTER_ID) {
- mbuf->hash.fdir.hi = clsf_cqd->filter_id;
- pkt_flags |= PKT_RX_FDIR_ID;
- }
- }
- } else if (enic_cq_rx_desc_rss_type(cqrd)) {
- /* RSS flag */
- pkt_flags |= PKT_RX_RSS_HASH;
- mbuf->hash.rss = enic_cq_rx_desc_rss_hash(cqrd);
- }
-
- /* checksum flags */
- if (mbuf->packet_type & (RTE_PTYPE_L3_IPV4 | RTE_PTYPE_L3_IPV6)) {
- if (!enic_cq_rx_desc_csum_not_calc(cqrd)) {
- uint32_t l4_flags;
- l4_flags = mbuf->packet_type & RTE_PTYPE_L4_MASK;
-
- /*
- * When overlay offload is enabled, the NIC may
- * set ipv4_csum_ok=1 if the inner packet is IPv6..
- * So, explicitly check for IPv4 before checking
- * ipv4_csum_ok.
- */
- if (mbuf->packet_type & RTE_PTYPE_L3_IPV4) {
- if (enic_cq_rx_desc_ipv4_csum_ok(cqrd))
- pkt_flags |= PKT_RX_IP_CKSUM_GOOD;
- else
- pkt_flags |= PKT_RX_IP_CKSUM_BAD;
- }
-
- if (l4_flags == RTE_PTYPE_L4_UDP ||
- l4_flags == RTE_PTYPE_L4_TCP) {
- if (enic_cq_rx_desc_tcp_udp_csum_ok(cqrd))
- pkt_flags |= PKT_RX_L4_CKSUM_GOOD;
- else
- pkt_flags |= PKT_RX_L4_CKSUM_BAD;
- }
- }
- }
-
- mbuf->ol_flags = pkt_flags;
-}
-
/* dummy receive function to replace actual function in
* order to do safe reconfiguration operations.
*/
for (i = 0; i != nb_pkts; i++) {
m = tx_pkts[i];
- if (unlikely(m->pkt_len > ENIC_TX_MAX_PKT_SIZE)) {
- rte_errno = EINVAL;
- return i;
- }
ol_flags = m->ol_flags;
+ if (!(ol_flags & PKT_TX_TCP_SEG)) {
+ if (unlikely(m->pkt_len > ENIC_TX_MAX_PKT_SIZE)) {
+ rte_errno = EINVAL;
+ return i;
+ }
+ } else {
+ uint16_t header_len;
+
+ header_len = m->l2_len + m->l3_len + m->l4_len;
+ if (m->tso_segsz + header_len > ENIC_TX_MAX_PKT_SIZE) {
+ rte_errno = EINVAL;
+ return i;
+ }
+ }
+
if (ol_flags & wq->tx_offload_notsup_mask) {
rte_errno = ENOTSUP;
return i;
#ifdef RTE_LIBRTE_ETHDEV_DEBUG
ret = rte_validate_tx_offload(m);
if (ret != 0) {
- rte_errno = ret;
+ rte_errno = -ret;
return i;
}
#endif
ret = rte_net_intel_cksum_prepare(m);
if (ret != 0) {
- rte_errno = ret;
+ rte_errno = -ret;
return i;
}
}
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