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numam-dpdk/drivers/net/enic/enic_rxtx_common.h
John Daley 846ac76c82 net/enic: replace some PMD macros with standard API 
Use the memzone namesize, Ethernet address length defines from the RTE
header files instead of locally defined versions.
Use the RTE byte swap functions instead of the x86 specific locally
defined versions.

Signed-off-by: John Daley <johndale@cisco.com>
Reviewed-by: Hyong Youb Kim <hyonkim@cisco.com>
2020-01-17 19:46:26 +01:00

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8.6 KiB
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/* SPDX-License-Identifier: BSD-3-Clause
* Copyright 2008-2018 Cisco Systems, Inc. All rights reserved.
* Copyright 2007 Nuova Systems, Inc. All rights reserved.
*/
#ifndef _ENIC_RXTX_COMMON_H_
#define _ENIC_RXTX_COMMON_H_
#include <rte_byteorder.h>
static inline uint16_t
enic_cq_rx_desc_ciflags(struct cq_enet_rq_desc *crd)
{
return rte_le_to_cpu_16(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 rte_le_to_cpu_16(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 (rte_le_to_cpu_16(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)((rte_le_to_cpu_16(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 rte_le_to_cpu_32(cqrd->rss_hash);
}
static inline uint16_t
enic_cq_rx_desc_vlan(struct cq_enet_rq_desc *cqrd)
{
return rte_le_to_cpu_16(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 rte_le_to_cpu_16(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 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 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) {
/* filter_id = mark id + 1, so subtract 1 */
mbuf->hash.fdir.hi = filter_id - 1;
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;
}
#endif /* _ENIC_RXTX_COMMON_H_ */
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