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/* SPDX-License-Identifier: BSD-3-Clause
* Copyright(C) 2019 Marvell International Ltd.
*/
#include <rte_common.h>
#include <rte_memzone.h>
#include "otx2_common.h"
#include "otx2_ethdev.h"
/* NIX_RX_PARSE_S's ERRCODE + ERRLEV (12 bits) */
#define ERRCODE_ERRLEN_WIDTH 12
#define ERR_ARRAY_SZ ((BIT(ERRCODE_ERRLEN_WIDTH)) *\
sizeof(uint32_t))
#define SA_TBL_SZ (RTE_MAX_ETHPORTS * sizeof(uint64_t))
#define LOOKUP_ARRAY_SZ (PTYPE_ARRAY_SZ + ERR_ARRAY_SZ +\
SA_TBL_SZ)
const uint32_t *
otx2_nix_supported_ptypes_get(struct rte_eth_dev *eth_dev)
{
RTE_SET_USED(eth_dev);
static const uint32_t ptypes[] = {
RTE_PTYPE_L2_ETHER_QINQ, /* LB */
RTE_PTYPE_L2_ETHER_VLAN, /* LB */
RTE_PTYPE_L2_ETHER_TIMESYNC, /* LB */
RTE_PTYPE_L2_ETHER_ARP, /* LC */
RTE_PTYPE_L2_ETHER_NSH, /* LC */
RTE_PTYPE_L2_ETHER_FCOE, /* LC */
RTE_PTYPE_L2_ETHER_MPLS, /* LC */
RTE_PTYPE_L3_IPV4, /* LC */
RTE_PTYPE_L3_IPV4_EXT, /* LC */
RTE_PTYPE_L3_IPV6, /* LC */
RTE_PTYPE_L3_IPV6_EXT, /* LC */
RTE_PTYPE_L4_TCP, /* LD */
RTE_PTYPE_L4_UDP, /* LD */
RTE_PTYPE_L4_SCTP, /* LD */
RTE_PTYPE_L4_ICMP, /* LD */
RTE_PTYPE_L4_IGMP, /* LD */
RTE_PTYPE_TUNNEL_GRE, /* LD */
RTE_PTYPE_TUNNEL_ESP, /* LD */
RTE_PTYPE_TUNNEL_NVGRE, /* LD */
RTE_PTYPE_TUNNEL_VXLAN, /* LE */
RTE_PTYPE_TUNNEL_GENEVE, /* LE */
RTE_PTYPE_TUNNEL_GTPC, /* LE */
RTE_PTYPE_TUNNEL_GTPU, /* LE */
RTE_PTYPE_TUNNEL_VXLAN_GPE, /* LE */
RTE_PTYPE_TUNNEL_MPLS_IN_GRE, /* LE */
RTE_PTYPE_TUNNEL_MPLS_IN_UDP, /* LE */
RTE_PTYPE_INNER_L2_ETHER,/* LF */
RTE_PTYPE_INNER_L3_IPV4, /* LG */
RTE_PTYPE_INNER_L3_IPV6, /* LG */
RTE_PTYPE_INNER_L4_TCP, /* LH */
RTE_PTYPE_INNER_L4_UDP, /* LH */
RTE_PTYPE_INNER_L4_SCTP, /* LH */
RTE_PTYPE_INNER_L4_ICMP, /* LH */
RTE_PTYPE_UNKNOWN,
};
return ptypes;
}
int
otx2_nix_ptypes_set(struct rte_eth_dev *eth_dev, uint32_t ptype_mask)
{
struct otx2_eth_dev *dev = otx2_eth_pmd_priv(eth_dev);
if (ptype_mask) {
dev->rx_offload_flags |= NIX_RX_OFFLOAD_PTYPE_F;
dev->ptype_disable = 0;
} else {
dev->rx_offload_flags &= ~NIX_RX_OFFLOAD_PTYPE_F;
dev->ptype_disable = 1;
}
otx2_eth_set_rx_function(eth_dev);
return 0;
}
/*
* +------------------ +------------------ +
* | | IL4 | IL3| IL2 | TU | L4 | L3 | L2 |
* +-------------------+-------------------+
*
* +-------------------+------------------ +
* | | LH | LG | LF | LE | LD | LC | LB |
* +-------------------+-------------------+
*
* ptype [LE - LD - LC - LB] = TU - L4 - L3 - T2
* ptype_tunnel[LH - LG - LF] = IL4 - IL3 - IL2 - TU
*
*/
static void
nix_create_non_tunnel_ptype_array(uint16_t *ptype)
{
uint8_t lb, lc, ld, le;
uint16_t val;
uint32_t idx;
for (idx = 0; idx < PTYPE_NON_TUNNEL_ARRAY_SZ; idx++) {
lb = idx & 0xF;
lc = (idx & 0xF0) >> 4;
ld = (idx & 0xF00) >> 8;
le = (idx & 0xF000) >> 12;
val = RTE_PTYPE_UNKNOWN;
switch (lb) {
case NPC_LT_LB_STAG_QINQ:
val |= RTE_PTYPE_L2_ETHER_QINQ;
break;
case NPC_LT_LB_CTAG:
val |= RTE_PTYPE_L2_ETHER_VLAN;
break;
}
switch (lc) {
case NPC_LT_LC_ARP:
val |= RTE_PTYPE_L2_ETHER_ARP;
break;
case NPC_LT_LC_NSH:
val |= RTE_PTYPE_L2_ETHER_NSH;
break;
case NPC_LT_LC_FCOE:
val |= RTE_PTYPE_L2_ETHER_FCOE;
break;
case NPC_LT_LC_MPLS:
val |= RTE_PTYPE_L2_ETHER_MPLS;
break;
case NPC_LT_LC_IP:
val |= RTE_PTYPE_L3_IPV4;
break;
case NPC_LT_LC_IP_OPT:
val |= RTE_PTYPE_L3_IPV4_EXT;
break;
case NPC_LT_LC_IP6:
val |= RTE_PTYPE_L3_IPV6;
break;
case NPC_LT_LC_IP6_EXT:
val |= RTE_PTYPE_L3_IPV6_EXT;
break;
case NPC_LT_LC_PTP:
val |= RTE_PTYPE_L2_ETHER_TIMESYNC;
break;
}
switch (ld) {
case NPC_LT_LD_TCP:
val |= RTE_PTYPE_L4_TCP;
break;
case NPC_LT_LD_UDP:
val |= RTE_PTYPE_L4_UDP;
break;
case NPC_LT_LD_SCTP:
val |= RTE_PTYPE_L4_SCTP;
break;
case NPC_LT_LD_ICMP:
case NPC_LT_LD_ICMP6:
val |= RTE_PTYPE_L4_ICMP;
break;
case NPC_LT_LD_IGMP:
val |= RTE_PTYPE_L4_IGMP;
break;
case NPC_LT_LD_GRE:
val |= RTE_PTYPE_TUNNEL_GRE;
break;
case NPC_LT_LD_NVGRE:
val |= RTE_PTYPE_TUNNEL_NVGRE;
break;
case NPC_LT_LD_ESP:
val |= RTE_PTYPE_TUNNEL_ESP;
break;
}
switch (le) {
case NPC_LT_LE_VXLAN:
val |= RTE_PTYPE_TUNNEL_VXLAN;
break;
case NPC_LT_LE_VXLANGPE:
val |= RTE_PTYPE_TUNNEL_VXLAN_GPE;
break;
case NPC_LT_LE_GENEVE:
val |= RTE_PTYPE_TUNNEL_GENEVE;
break;
case NPC_LT_LE_GTPC:
val |= RTE_PTYPE_TUNNEL_GTPC;
break;
case NPC_LT_LE_GTPU:
val |= RTE_PTYPE_TUNNEL_GTPU;
break;
case NPC_LT_LE_TU_MPLS_IN_GRE:
val |= RTE_PTYPE_TUNNEL_MPLS_IN_GRE;
break;
case NPC_LT_LE_TU_MPLS_IN_UDP:
val |= RTE_PTYPE_TUNNEL_MPLS_IN_UDP;
break;
}
ptype[idx] = val;
}
}
#define TU_SHIFT(x) ((x) >> PTYPE_NON_TUNNEL_WIDTH)
static void
nix_create_tunnel_ptype_array(uint16_t *ptype)
{
uint8_t lf, lg, lh;
uint16_t val;
uint32_t idx;
/* Skip non tunnel ptype array memory */
ptype = ptype + PTYPE_NON_TUNNEL_ARRAY_SZ;
for (idx = 0; idx < PTYPE_TUNNEL_ARRAY_SZ; idx++) {
lf = idx & 0xF;
lg = (idx & 0xF0) >> 4;
lh = (idx & 0xF00) >> 8;
val = RTE_PTYPE_UNKNOWN;
switch (lf) {
case NPC_LT_LF_TU_ETHER:
val |= TU_SHIFT(RTE_PTYPE_INNER_L2_ETHER);
break;
}
switch (lg) {
case NPC_LT_LG_TU_IP:
val |= TU_SHIFT(RTE_PTYPE_INNER_L3_IPV4);
break;
case NPC_LT_LG_TU_IP6:
val |= TU_SHIFT(RTE_PTYPE_INNER_L3_IPV6);
break;
}
switch (lh) {
case NPC_LT_LH_TU_TCP:
val |= TU_SHIFT(RTE_PTYPE_INNER_L4_TCP);
break;
case NPC_LT_LH_TU_UDP:
val |= TU_SHIFT(RTE_PTYPE_INNER_L4_UDP);
break;
case NPC_LT_LH_TU_SCTP:
val |= TU_SHIFT(RTE_PTYPE_INNER_L4_SCTP);
break;
case NPC_LT_LH_TU_ICMP:
case NPC_LT_LH_TU_ICMP6:
val |= TU_SHIFT(RTE_PTYPE_INNER_L4_ICMP);
break;
}
ptype[idx] = val;
}
}
static void
nix_create_rx_ol_flags_array(void *mem)
{
uint16_t idx, errcode, errlev;
uint32_t val, *ol_flags;
/* Skip ptype array memory */
ol_flags = (uint32_t *)((uint8_t *)mem + PTYPE_ARRAY_SZ);
for (idx = 0; idx < BIT(ERRCODE_ERRLEN_WIDTH); idx++) {
errlev = idx & 0xf;
errcode = (idx & 0xff0) >> 4;
val = PKT_RX_IP_CKSUM_UNKNOWN;
val |= PKT_RX_L4_CKSUM_UNKNOWN;
val |= PKT_RX_OUTER_L4_CKSUM_UNKNOWN;
switch (errlev) {
case NPC_ERRLEV_RE:
/* Mark all errors as BAD checksum errors
* including Outer L2 length mismatch error
*/
if (errcode) {
val |= PKT_RX_IP_CKSUM_BAD;
val |= PKT_RX_L4_CKSUM_BAD;
} else {
val |= PKT_RX_IP_CKSUM_GOOD;
val |= PKT_RX_L4_CKSUM_GOOD;
}
break;
case NPC_ERRLEV_LC:
if (errcode == NPC_EC_OIP4_CSUM ||
errcode == NPC_EC_IP_FRAG_OFFSET_1) {
val |= PKT_RX_IP_CKSUM_BAD;
val |= PKT_RX_EIP_CKSUM_BAD;
} else {
val |= PKT_RX_IP_CKSUM_GOOD;
}
break;
case NPC_ERRLEV_LG:
if (errcode == NPC_EC_IIP4_CSUM)
val |= PKT_RX_IP_CKSUM_BAD;
else
val |= PKT_RX_IP_CKSUM_GOOD;
break;
case NPC_ERRLEV_NIX:
if (errcode == NIX_RX_PERRCODE_OL4_CHK ||
errcode == NIX_RX_PERRCODE_OL4_LEN ||
errcode == NIX_RX_PERRCODE_OL4_PORT) {
val |= PKT_RX_IP_CKSUM_GOOD;
val |= PKT_RX_L4_CKSUM_BAD;
val |= PKT_RX_OUTER_L4_CKSUM_BAD;
} else if (errcode == NIX_RX_PERRCODE_IL4_CHK ||
errcode == NIX_RX_PERRCODE_IL4_LEN ||
errcode == NIX_RX_PERRCODE_IL4_PORT) {
val |= PKT_RX_IP_CKSUM_GOOD;
val |= PKT_RX_L4_CKSUM_BAD;
} else if (errcode == NIX_RX_PERRCODE_IL3_LEN ||
errcode == NIX_RX_PERRCODE_OL3_LEN) {
val |= PKT_RX_IP_CKSUM_BAD;
} else {
val |= PKT_RX_IP_CKSUM_GOOD;
val |= PKT_RX_L4_CKSUM_GOOD;
}
break;
}
ol_flags[idx] = val;
}
}
void *
otx2_nix_fastpath_lookup_mem_get(void)
{
const char name[] = OTX2_NIX_FASTPATH_LOOKUP_MEM;
const struct rte_memzone *mz;
void *mem;
/* SA_TBL starts after PTYPE_ARRAY & ERR_ARRAY */
RTE_BUILD_BUG_ON(OTX2_NIX_SA_TBL_START != (PTYPE_ARRAY_SZ +
ERR_ARRAY_SZ));
mz = rte_memzone_lookup(name);
if (mz != NULL)
return mz->addr;
/* Request for the first time */
mz = rte_memzone_reserve_aligned(name, LOOKUP_ARRAY_SZ,
SOCKET_ID_ANY, 0, OTX2_ALIGN);
if (mz != NULL) {
mem = mz->addr;
/* Form the ptype array lookup memory */
nix_create_non_tunnel_ptype_array(mem);
nix_create_tunnel_ptype_array(mem);
/* Form the rx ol_flags based on errcode */
nix_create_rx_ol_flags_array(mem);
return mem;
}
return NULL;
}
|
