#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)
- 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.
*/
wq_desc_avail = vnic_wq_desc_avail(wq);
head_idx = wq->head_idx;
desc_count = wq->ring.desc_count;
- ol_flags_mask = PKT_TX_VLAN_PKT | PKT_TX_IP_CKSUM | PKT_TX_L4_MASK;
+ ol_flags_mask = PKT_TX_VLAN | PKT_TX_IP_CKSUM | PKT_TX_L4_MASK;
tx_oversized = &enic->soft_stats.tx_oversized;
nb_pkts = RTE_MIN(nb_pkts, ENIC_TX_XMIT_MAX);
mss = 0;
vlan_id = tx_pkt->vlan_tci;
- vlan_tag_insert = !!(ol_flags & PKT_TX_VLAN_PKT);
+ vlan_tag_insert = !!(ol_flags & PKT_TX_VLAN);
bus_addr = (dma_addr_t)
(tx_pkt->buf_iova + tx_pkt->data_off);
struct enic *enic)
{
struct rte_mbuf *p;
+ uint16_t mss;
while (n) {
n--;
p = *pkts++;
desc->address = p->buf_iova + p->data_off;
desc->length = p->pkt_len;
+ /* VLAN insert */
+ desc->vlan_tag = p->vlan_tci;
+ desc->header_length_flags &=
+ ((1 << WQ_ENET_FLAGS_EOP_SHIFT) |
+ (1 << WQ_ENET_FLAGS_CQ_ENTRY_SHIFT));
+ if (p->ol_flags & PKT_TX_VLAN) {
+ desc->header_length_flags |=
+ 1 << WQ_ENET_FLAGS_VLAN_TAG_INSERT_SHIFT;
+ }
+ /*
+ * Checksum offload. We use WQ_ENET_OFFLOAD_MODE_CSUM, which
+ * is 0, so no need to set offload_mode.
+ */
+ mss = 0;
+ if (p->ol_flags & PKT_TX_IP_CKSUM)
+ mss |= ENIC_CALC_IP_CKSUM << WQ_ENET_MSS_SHIFT;
+ if (p->ol_flags & PKT_TX_L4_MASK)
+ mss |= ENIC_CALC_TCP_UDP_CKSUM << WQ_ENET_MSS_SHIFT;
+ desc->mss_loopback = mss;
+
/*
* The app should not send oversized
* packets. tx_pkt_prepare includes a check as
Code Review / deb_dpdk.git / blobdiff