[dpdk-dev] [PATCH 4/7] net/qede: add fastpath support for VXLAN tunneling
Harish Patil
harish.patil at qlogic.com
Sat Dec 3 03:43:56 CET 2016
- Support HW checksum and RSS offload for VXLAN traffic
- Identify inner/outer packet_types using lookup table
- Update documentation
Signed-off-by: Harish Patil <harish.patil at qlogic.com>
---
doc/guides/nics/features/qede.ini | 3 +
doc/guides/nics/qede.rst | 3 +-
drivers/net/qede/qede_eth_if.h | 3 +
drivers/net/qede/qede_ethdev.c | 18 +--
drivers/net/qede/qede_ethdev.h | 3 +
drivers/net/qede/qede_main.c | 2 +
drivers/net/qede/qede_rxtx.c | 280 +++++++++++++++++++++++++++-----------
drivers/net/qede/qede_rxtx.h | 46 +++++++
8 files changed, 269 insertions(+), 89 deletions(-)
diff --git a/doc/guides/nics/features/qede.ini b/doc/guides/nics/features/qede.ini
index 7d75030..8858e5d 100644
--- a/doc/guides/nics/features/qede.ini
+++ b/doc/guides/nics/features/qede.ini
@@ -23,6 +23,9 @@ CRC offload = Y
VLAN offload = Y
L3 checksum offload = Y
L4 checksum offload = Y
+Tunnel filter = Y
+Inner L3 checksum = Y
+Inner L4 checksum = Y
Packet type parsing = Y
Basic stats = Y
Extended stats = Y
diff --git a/doc/guides/nics/qede.rst b/doc/guides/nics/qede.rst
index ddf4248..e7332dc 100644
--- a/doc/guides/nics/qede.rst
+++ b/doc/guides/nics/qede.rst
@@ -59,12 +59,13 @@ Supported Features
- MTU change
- Multiprocess aware
- Scatter-Gather
+- VXLAN tunneling offload
Non-supported Features
----------------------
- SR-IOV PF
-- Tunneling offloads
+- GENEVE and NVGRE Tunneling offloads
- LRO/TSO
- NPAR
diff --git a/drivers/net/qede/qede_eth_if.h b/drivers/net/qede/qede_eth_if.h
index 9c0db87..d67b312 100644
--- a/drivers/net/qede/qede_eth_if.h
+++ b/drivers/net/qede/qede_eth_if.h
@@ -42,6 +42,9 @@ struct qed_dev_eth_info {
struct ether_addr port_mac;
uint16_t num_vlan_filters;
uint32_t num_mac_addrs;
+
+ /* Legacy VF - this affects the datapath */
+ bool is_legacy;
};
struct qed_update_vport_rss_params {
diff --git a/drivers/net/qede/qede_ethdev.c b/drivers/net/qede/qede_ethdev.c
index bd728c8..e8d4157 100644
--- a/drivers/net/qede/qede_ethdev.c
+++ b/drivers/net/qede/qede_ethdev.c
@@ -919,14 +919,16 @@ static int qede_dev_configure(struct rte_eth_dev *eth_dev)
.txq_flags = QEDE_TXQ_FLAGS,
};
- dev_info->rx_offload_capa = (DEV_RX_OFFLOAD_VLAN_STRIP |
- DEV_RX_OFFLOAD_IPV4_CKSUM |
- DEV_RX_OFFLOAD_UDP_CKSUM |
- DEV_RX_OFFLOAD_TCP_CKSUM);
- dev_info->tx_offload_capa = (DEV_TX_OFFLOAD_VLAN_INSERT |
- DEV_TX_OFFLOAD_IPV4_CKSUM |
- DEV_TX_OFFLOAD_UDP_CKSUM |
- DEV_TX_OFFLOAD_TCP_CKSUM);
+ dev_info->rx_offload_capa = (DEV_RX_OFFLOAD_VLAN_STRIP |
+ DEV_RX_OFFLOAD_IPV4_CKSUM |
+ DEV_RX_OFFLOAD_UDP_CKSUM |
+ DEV_RX_OFFLOAD_TCP_CKSUM |
+ DEV_RX_OFFLOAD_OUTER_IPV4_CKSUM);
+ dev_info->tx_offload_capa = (DEV_TX_OFFLOAD_VLAN_INSERT |
+ DEV_TX_OFFLOAD_IPV4_CKSUM |
+ DEV_TX_OFFLOAD_UDP_CKSUM |
+ DEV_TX_OFFLOAD_TCP_CKSUM |
+ DEV_TX_OFFLOAD_OUTER_IPV4_CKSUM);
memset(&link, 0, sizeof(struct qed_link_output));
qdev->ops->common->get_link(edev, &link);
diff --git a/drivers/net/qede/qede_ethdev.h b/drivers/net/qede/qede_ethdev.h
index 6d0616e..d736246 100644
--- a/drivers/net/qede/qede_ethdev.h
+++ b/drivers/net/qede/qede_ethdev.h
@@ -15,6 +15,7 @@
#include <rte_ether.h>
#include <rte_ethdev.h>
#include <rte_dev.h>
+#include <rte_ip.h>
/* ecore includes */
#include "base/bcm_osal.h"
@@ -184,6 +185,8 @@ static int qede_rss_reta_update(struct rte_eth_dev *eth_dev,
struct rte_eth_rss_reta_entry64 *reta_conf,
uint16_t reta_size);
+static inline uint32_t qede_rx_cqe_to_pkt_type(uint16_t flags);
+
/* Non-static functions */
void qede_init_rss_caps(uint8_t *rss_caps, uint64_t hf);
diff --git a/drivers/net/qede/qede_main.c b/drivers/net/qede/qede_main.c
index 03058cb..b7202c8 100644
--- a/drivers/net/qede/qede_main.c
+++ b/drivers/net/qede/qede_main.c
@@ -411,6 +411,8 @@ static int qed_slowpath_start(struct ecore_dev *edev,
ecore_vf_get_port_mac(&edev->hwfns[0],
(uint8_t *)&info->port_mac);
+
+ info->is_legacy = ecore_vf_get_pre_fp_hsi(&edev->hwfns[0]);
}
qed_fill_dev_info(edev, &info->common);
diff --git a/drivers/net/qede/qede_rxtx.c b/drivers/net/qede/qede_rxtx.c
index 2e181c8..6daf193 100644
--- a/drivers/net/qede/qede_rxtx.c
+++ b/drivers/net/qede/qede_rxtx.c
@@ -701,79 +701,64 @@ static int qede_start_queues(struct rte_eth_dev *eth_dev, bool clear_stats)
return 0;
}
-#ifdef ENC_SUPPORTED
static bool qede_tunn_exist(uint16_t flag)
{
return !!((PARSING_AND_ERR_FLAGS_TUNNELEXIST_MASK <<
PARSING_AND_ERR_FLAGS_TUNNELEXIST_SHIFT) & flag);
}
-static inline uint8_t qede_check_tunn_csum(uint16_t flag)
+/*
+ * qede_check_tunn_csum_l4:
+ * Returns:
+ * 1 : If L4 csum is enabled AND if the validation has failed.
+ * 0 : Otherwise
+ */
+static inline uint8_t qede_check_tunn_csum_l4(uint16_t flag)
{
- uint8_t tcsum = 0;
- uint16_t csum_flag = 0;
-
if ((PARSING_AND_ERR_FLAGS_TUNNELL4CHKSMWASCALCULATED_MASK <<
PARSING_AND_ERR_FLAGS_TUNNELL4CHKSMWASCALCULATED_SHIFT) & flag)
- csum_flag |= PARSING_AND_ERR_FLAGS_TUNNELL4CHKSMERROR_MASK <<
- PARSING_AND_ERR_FLAGS_TUNNELL4CHKSMERROR_SHIFT;
-
- if ((PARSING_AND_ERR_FLAGS_L4CHKSMWASCALCULATED_MASK <<
- PARSING_AND_ERR_FLAGS_L4CHKSMWASCALCULATED_SHIFT) & flag) {
- csum_flag |= PARSING_AND_ERR_FLAGS_L4CHKSMERROR_MASK <<
- PARSING_AND_ERR_FLAGS_L4CHKSMERROR_SHIFT;
- tcsum = QEDE_TUNN_CSUM_UNNECESSARY;
- }
-
- csum_flag |= PARSING_AND_ERR_FLAGS_TUNNELIPHDRERROR_MASK <<
- PARSING_AND_ERR_FLAGS_TUNNELIPHDRERROR_SHIFT |
- PARSING_AND_ERR_FLAGS_IPHDRERROR_MASK <<
- PARSING_AND_ERR_FLAGS_IPHDRERROR_SHIFT;
-
- if (csum_flag & flag)
- return QEDE_CSUM_ERROR;
-
- return QEDE_CSUM_UNNECESSARY | tcsum;
-}
-#else
-static inline uint8_t qede_tunn_exist(uint16_t flag)
-{
- return 0;
-}
+ return !!((PARSING_AND_ERR_FLAGS_TUNNELL4CHKSMERROR_MASK <<
+ PARSING_AND_ERR_FLAGS_TUNNELL4CHKSMERROR_SHIFT) & flag);
-static inline uint8_t qede_check_tunn_csum(uint16_t flag)
-{
return 0;
}
-#endif
-static inline uint8_t qede_check_notunn_csum(uint16_t flag)
+static inline uint8_t qede_check_notunn_csum_l4(uint16_t flag)
{
- uint8_t csum = 0;
- uint16_t csum_flag = 0;
-
if ((PARSING_AND_ERR_FLAGS_L4CHKSMWASCALCULATED_MASK <<
- PARSING_AND_ERR_FLAGS_L4CHKSMWASCALCULATED_SHIFT) & flag) {
- csum_flag |= PARSING_AND_ERR_FLAGS_L4CHKSMERROR_MASK <<
- PARSING_AND_ERR_FLAGS_L4CHKSMERROR_SHIFT;
- csum = QEDE_CSUM_UNNECESSARY;
- }
-
- csum_flag |= PARSING_AND_ERR_FLAGS_IPHDRERROR_MASK <<
- PARSING_AND_ERR_FLAGS_IPHDRERROR_SHIFT;
-
- if (csum_flag & flag)
- return QEDE_CSUM_ERROR;
+ PARSING_AND_ERR_FLAGS_L4CHKSMWASCALCULATED_SHIFT) & flag)
+ return !!((PARSING_AND_ERR_FLAGS_L4CHKSMERROR_MASK <<
+ PARSING_AND_ERR_FLAGS_L4CHKSMERROR_SHIFT) & flag);
- return csum;
+ return 0;
}
-static inline uint8_t qede_check_csum(uint16_t flag)
+static inline uint8_t
+qede_check_notunn_csum_l3(struct rte_mbuf *m, uint16_t flag)
{
- if (likely(!qede_tunn_exist(flag)))
- return qede_check_notunn_csum(flag);
- else
- return qede_check_tunn_csum(flag);
+ struct ipv4_hdr *ip;
+ uint16_t pkt_csum;
+ uint16_t calc_csum;
+ uint16_t val;
+
+ val = ((PARSING_AND_ERR_FLAGS_IPHDRERROR_MASK <<
+ PARSING_AND_ERR_FLAGS_IPHDRERROR_SHIFT) & flag);
+
+ if (unlikely(val)) {
+ m->packet_type = qede_rx_cqe_to_pkt_type(flag);
+ if (RTE_ETH_IS_IPV4_HDR(m->packet_type)) {
+ ip = rte_pktmbuf_mtod_offset(m, struct ipv4_hdr *,
+ sizeof(struct ether_hdr));
+ pkt_csum = ip->hdr_checksum;
+ ip->hdr_checksum = 0;
+ calc_csum = rte_ipv4_cksum(ip);
+ ip->hdr_checksum = pkt_csum;
+ return (calc_csum != pkt_csum);
+ } else if (RTE_ETH_IS_IPV6_HDR(m->packet_type)) {
+ return 1;
+ }
+ }
+ return 0;
}
static inline void qede_rx_bd_ring_consume(struct qede_rx_queue *rxq)
@@ -818,22 +803,93 @@ static inline void qede_rx_bd_ring_consume(struct qede_rx_queue *rxq)
static inline uint32_t qede_rx_cqe_to_pkt_type(uint16_t flags)
{
- uint32_t p_type;
- /* TBD - L4 indications needed ? */
- uint16_t protocol = ((PARSING_AND_ERR_FLAGS_L3TYPE_MASK <<
- PARSING_AND_ERR_FLAGS_L3TYPE_SHIFT) & flags);
-
- /* protocol = 3 means LLC/SNAP over Ethernet */
- if (unlikely(protocol == 0 || protocol == 3))
- p_type = RTE_PTYPE_UNKNOWN;
- else if (protocol == 1)
- p_type = RTE_PTYPE_L3_IPV4;
- else if (protocol == 2)
- p_type = RTE_PTYPE_L3_IPV6;
-
- return RTE_PTYPE_L2_ETHER | p_type;
+ uint16_t val;
+
+ /* Lookup table */
+ static const uint32_t
+ ptype_lkup_tbl[QEDE_PKT_TYPE_MAX] __rte_cache_aligned = {
+ [QEDE_PKT_TYPE_IPV4] = RTE_PTYPE_L3_IPV4,
+ [QEDE_PKT_TYPE_IPV6] = RTE_PTYPE_L3_IPV6,
+ [QEDE_PKT_TYPE_IPV4_TCP] = RTE_PTYPE_L3_IPV4 | RTE_PTYPE_L4_TCP,
+ [QEDE_PKT_TYPE_IPV6_TCP] = RTE_PTYPE_L3_IPV6 | RTE_PTYPE_L4_TCP,
+ [QEDE_PKT_TYPE_IPV4_UDP] = RTE_PTYPE_L3_IPV4 | RTE_PTYPE_L4_UDP,
+ [QEDE_PKT_TYPE_IPV6_UDP] = RTE_PTYPE_L3_IPV6 | RTE_PTYPE_L4_UDP,
+ };
+
+ /* Bits (0..3) provides L3/L4 protocol type */
+ val = ((PARSING_AND_ERR_FLAGS_L3TYPE_MASK <<
+ PARSING_AND_ERR_FLAGS_L3TYPE_SHIFT) |
+ (PARSING_AND_ERR_FLAGS_L4PROTOCOL_MASK <<
+ PARSING_AND_ERR_FLAGS_L4PROTOCOL_SHIFT)) & flags;
+
+ if (val < QEDE_PKT_TYPE_MAX)
+ return ptype_lkup_tbl[val] | RTE_PTYPE_L2_ETHER;
+ else
+ return RTE_PTYPE_UNKNOWN;
+}
+
+static inline uint32_t qede_rx_cqe_to_tunn_pkt_type(uint16_t flags)
+{
+ uint32_t val;
+
+ /* Lookup table */
+ static const uint32_t
+ ptype_tunn_lkup_tbl[QEDE_PKT_TYPE_TUNN_MAX_TYPE] __rte_cache_aligned = {
+ [QEDE_PKT_TYPE_UNKNOWN] = RTE_PTYPE_UNKNOWN,
+ [QEDE_PKT_TYPE_TUNN_GENEVE] = RTE_PTYPE_TUNNEL_GENEVE,
+ [QEDE_PKT_TYPE_TUNN_GRE] = RTE_PTYPE_TUNNEL_GRE,
+ [QEDE_PKT_TYPE_TUNN_VXLAN] = RTE_PTYPE_TUNNEL_VXLAN,
+ [QEDE_PKT_TYPE_TUNN_L2_TENID_NOEXIST_GENEVE] =
+ RTE_PTYPE_TUNNEL_GENEVE | RTE_PTYPE_L2_ETHER,
+ [QEDE_PKT_TYPE_TUNN_L2_TENID_NOEXIST_GRE] =
+ RTE_PTYPE_TUNNEL_GRE | RTE_PTYPE_L2_ETHER,
+ [QEDE_PKT_TYPE_TUNN_L2_TENID_NOEXIST_VXLAN] =
+ RTE_PTYPE_TUNNEL_VXLAN | RTE_PTYPE_L2_ETHER,
+ [QEDE_PKT_TYPE_TUNN_L2_TENID_EXIST_GENEVE] =
+ RTE_PTYPE_TUNNEL_GENEVE | RTE_PTYPE_L2_ETHER,
+ [QEDE_PKT_TYPE_TUNN_L2_TENID_EXIST_GRE] =
+ RTE_PTYPE_TUNNEL_GRE | RTE_PTYPE_L2_ETHER,
+ [QEDE_PKT_TYPE_TUNN_L2_TENID_EXIST_VXLAN] =
+ RTE_PTYPE_TUNNEL_VXLAN | RTE_PTYPE_L2_ETHER,
+ [QEDE_PKT_TYPE_TUNN_IPV4_TENID_NOEXIST_GENEVE] =
+ RTE_PTYPE_TUNNEL_GENEVE | RTE_PTYPE_L3_IPV4,
+ [QEDE_PKT_TYPE_TUNN_IPV4_TENID_NOEXIST_GRE] =
+ RTE_PTYPE_TUNNEL_GRE | RTE_PTYPE_L3_IPV4,
+ [QEDE_PKT_TYPE_TUNN_IPV4_TENID_NOEXIST_VXLAN] =
+ RTE_PTYPE_TUNNEL_VXLAN | RTE_PTYPE_L3_IPV4,
+ [QEDE_PKT_TYPE_TUNN_IPV4_TENID_EXIST_GENEVE] =
+ RTE_PTYPE_TUNNEL_GENEVE | RTE_PTYPE_L3_IPV4,
+ [QEDE_PKT_TYPE_TUNN_IPV4_TENID_EXIST_GRE] =
+ RTE_PTYPE_TUNNEL_GRE | RTE_PTYPE_L3_IPV4,
+ [QEDE_PKT_TYPE_TUNN_IPV4_TENID_EXIST_VXLAN] =
+ RTE_PTYPE_TUNNEL_VXLAN | RTE_PTYPE_L3_IPV4,
+ [QEDE_PKT_TYPE_TUNN_IPV6_TENID_NOEXIST_GENEVE] =
+ RTE_PTYPE_TUNNEL_GENEVE | RTE_PTYPE_L3_IPV6,
+ [QEDE_PKT_TYPE_TUNN_IPV6_TENID_NOEXIST_GRE] =
+ RTE_PTYPE_TUNNEL_GRE | RTE_PTYPE_L3_IPV6,
+ [QEDE_PKT_TYPE_TUNN_IPV6_TENID_NOEXIST_VXLAN] =
+ RTE_PTYPE_TUNNEL_VXLAN | RTE_PTYPE_L3_IPV6,
+ [QEDE_PKT_TYPE_TUNN_IPV6_TENID_EXIST_GENEVE] =
+ RTE_PTYPE_TUNNEL_GENEVE | RTE_PTYPE_L3_IPV6,
+ [QEDE_PKT_TYPE_TUNN_IPV6_TENID_EXIST_GRE] =
+ RTE_PTYPE_TUNNEL_GRE | RTE_PTYPE_L3_IPV6,
+ [QEDE_PKT_TYPE_TUNN_IPV6_TENID_EXIST_VXLAN] =
+ RTE_PTYPE_TUNNEL_VXLAN | RTE_PTYPE_L3_IPV6,
+ };
+
+ /* Cover bits[4-0] to include tunn_type and next protocol */
+ val = ((ETH_TUNNEL_PARSING_FLAGS_TYPE_MASK <<
+ ETH_TUNNEL_PARSING_FLAGS_TYPE_SHIFT) |
+ (ETH_TUNNEL_PARSING_FLAGS_NEXT_PROTOCOL_MASK <<
+ ETH_TUNNEL_PARSING_FLAGS_NEXT_PROTOCOL_SHIFT)) & flags;
+
+ if (val < QEDE_PKT_TYPE_TUNN_MAX_TYPE)
+ return ptype_tunn_lkup_tbl[val];
+ else
+ return RTE_PTYPE_UNKNOWN;
}
+
int qede_process_sg_pkts(void *p_rxq, struct rte_mbuf *rx_mb,
int num_segs, uint16_t pkt_len)
{
@@ -904,6 +960,7 @@ int qede_process_sg_pkts(void *p_rxq, struct rte_mbuf *rx_mb,
uint16_t len, pad, preload_idx, pkt_len, parse_flag;
uint8_t csum_flag, num_segs;
enum rss_hash_type htype;
+ uint8_t tunn_parse_flag;
int ret;
hw_comp_cons = rte_le_to_cpu_16(*rxq->hw_cons_ptr);
@@ -950,17 +1007,47 @@ int qede_process_sg_pkts(void *p_rxq, struct rte_mbuf *rx_mb,
/* If this is an error packet then drop it */
parse_flag =
rte_le_to_cpu_16(cqe->fast_path_regular.pars_flags.flags);
- csum_flag = qede_check_csum(parse_flag);
- if (unlikely(csum_flag == QEDE_CSUM_ERROR)) {
- PMD_RX_LOG(ERR, rxq,
- "CQE in CONS = %u has error, flags = 0x%x "
- "dropping incoming packet\n",
- sw_comp_cons, parse_flag);
- rxq->rx_hw_errors++;
- qede_recycle_rx_bd_ring(rxq, qdev, fp_cqe->bd_num);
- goto next_cqe;
+
+ rx_mb->ol_flags = 0;
+
+ if (qede_tunn_exist(parse_flag)) {
+ PMD_RX_LOG(ERR, rxq, "Rx tunneled packet\n");
+ if (unlikely(qede_check_tunn_csum_l4(parse_flag))) {
+ PMD_RX_LOG(ERR, rxq,
+ "L4 csum failed, flags = 0x%x\n",
+ parse_flag);
+ rxq->rx_hw_errors++;
+ rx_mb->ol_flags |= PKT_RX_L4_CKSUM_BAD;
+ } else {
+ tunn_parse_flag =
+ fp_cqe->tunnel_pars_flags.flags;
+ rx_mb->packet_type =
+ qede_rx_cqe_to_tunn_pkt_type(
+ tunn_parse_flag);
+ }
+ } else {
+ PMD_RX_LOG(ERR, rxq, "Rx non-tunneled packet\n");
+ if (unlikely(qede_check_notunn_csum_l4(parse_flag))) {
+ PMD_RX_LOG(ERR, rxq,
+ "L4 csum failed, flags = 0x%x\n",
+ parse_flag);
+ rxq->rx_hw_errors++;
+ rx_mb->ol_flags |= PKT_RX_L4_CKSUM_BAD;
+ } else if (unlikely(qede_check_notunn_csum_l3(rx_mb,
+ parse_flag))) {
+ PMD_RX_LOG(ERR, rxq,
+ "IP csum failed, flags = 0x%x\n",
+ parse_flag);
+ rxq->rx_hw_errors++;
+ rx_mb->ol_flags |= PKT_RX_IP_CKSUM_BAD;
+ } else {
+ rx_mb->packet_type =
+ qede_rx_cqe_to_pkt_type(parse_flag);
+ }
}
+ PMD_RX_LOG(INFO, rxq, "packet_type 0x%x\n", rx_mb->packet_type);
+
if (unlikely(qede_alloc_rx_buffer(rxq) != 0)) {
PMD_RX_LOG(ERR, rxq,
"New buffer allocation failed,"
@@ -995,14 +1082,12 @@ int qede_process_sg_pkts(void *p_rxq, struct rte_mbuf *rx_mb,
preload_idx = rxq->sw_rx_cons & NUM_RX_BDS(rxq);
rte_prefetch0(rxq->sw_rx_ring[preload_idx].mbuf);
- /* Update MBUF fields */
- rx_mb->ol_flags = 0;
+ /* Update rest of the MBUF fields */
rx_mb->data_off = pad + RTE_PKTMBUF_HEADROOM;
rx_mb->nb_segs = fp_cqe->bd_num;
rx_mb->data_len = len;
rx_mb->pkt_len = fp_cqe->pkt_len;
rx_mb->port = rxq->port_id;
- rx_mb->packet_type = qede_rx_cqe_to_pkt_type(parse_flag);
htype = (uint8_t)GET_FIELD(fp_cqe->bitfields,
ETH_FAST_PATH_RX_REG_CQE_RSS_HASH_TYPE);
@@ -1206,8 +1291,39 @@ static inline uint16_t qede_encode_sg_bd(struct qede_tx_queue *p_txq,
QEDE_BD_SET_ADDR_LEN(bd1, rte_mbuf_data_dma_addr(mbuf),
mbuf->pkt_len);
+ if (RTE_ETH_IS_TUNNEL_PKT(mbuf->packet_type)) {
+ PMD_TX_LOG(INFO, txq, "Tx tunnel packet\n");
+ /* First indicate its a tunnel pkt */
+ bd1->data.bd_flags.bitfields |=
+ ETH_TX_DATA_1ST_BD_TUNN_FLAG_MASK <<
+ ETH_TX_DATA_1ST_BD_TUNN_FLAG_SHIFT;
+
+ /* Legacy FW had flipped behavior in regard to this bit
+ * i.e. it needed to set to prevent FW from touching
+ * encapsulated packets when it didn't need to.
+ */
+ if (unlikely(txq->is_legacy))
+ bd1->data.bitfields ^=
+ 1 << ETH_TX_DATA_1ST_BD_TUNN_FLAG_SHIFT;
+
+ /* Outer IP checksum offload */
+ if (mbuf->ol_flags & PKT_TX_OUTER_IP_CKSUM) {
+ PMD_TX_LOG(INFO, txq, "OuterIP csum offload\n");
+ bd1->data.bd_flags.bitfields |=
+ ETH_TX_1ST_BD_FLAGS_TUNN_IP_CSUM_MASK <<
+ ETH_TX_1ST_BD_FLAGS_TUNN_IP_CSUM_SHIFT;
+ }
+
+ /* Outer UDP checksum offload */
+ bd1->data.bd_flags.bitfields |=
+ ETH_TX_1ST_BD_FLAGS_TUNN_L4_CSUM_MASK <<
+ ETH_TX_1ST_BD_FLAGS_TUNN_L4_CSUM_SHIFT;
+ }
+
/* Descriptor based VLAN insertion */
if (mbuf->ol_flags & (PKT_TX_VLAN_PKT | PKT_TX_QINQ_PKT)) {
+ PMD_TX_LOG(INFO, txq, "Insert VLAN 0x%x\n",
+ mbuf->vlan_tci);
bd1->data.vlan = rte_cpu_to_le_16(mbuf->vlan_tci);
bd1->data.bd_flags.bitfields |=
1 << ETH_TX_1ST_BD_FLAGS_VLAN_INSERTION_SHIFT;
@@ -1215,12 +1331,14 @@ static inline uint16_t qede_encode_sg_bd(struct qede_tx_queue *p_txq,
/* Offload the IP checksum in the hardware */
if (mbuf->ol_flags & PKT_TX_IP_CKSUM) {
+ PMD_TX_LOG(INFO, txq, "IP csum offload\n");
bd1->data.bd_flags.bitfields |=
1 << ETH_TX_1ST_BD_FLAGS_IP_CSUM_SHIFT;
}
/* L4 checksum offload (tcp or udp) */
if (mbuf->ol_flags & (PKT_TX_TCP_CKSUM | PKT_TX_UDP_CKSUM)) {
+ PMD_TX_LOG(INFO, txq, "L4 csum offload\n");
bd1->data.bd_flags.bitfields |=
1 << ETH_TX_1ST_BD_FLAGS_L4_CSUM_SHIFT;
/* IPv6 + extn. -> later */
@@ -1278,6 +1396,8 @@ static void qede_init_fp_queue(struct rte_eth_dev *eth_dev)
fp->txqs[tc] =
eth_dev->data->tx_queues[txq_index];
fp->txqs[tc]->queue_id = txq_index;
+ if (qdev->dev_info.is_legacy)
+ fp->txqs[tc]->is_legacy = true;
}
txq++;
}
diff --git a/drivers/net/qede/qede_rxtx.h b/drivers/net/qede/qede_rxtx.h
index 4a50afe..3e1e977 100644
--- a/drivers/net/qede/qede_rxtx.h
+++ b/drivers/net/qede/qede_rxtx.h
@@ -74,6 +74,51 @@
#define for_each_queue(i) for (i = 0; i < qdev->num_queues; i++)
+
+/* Macros for non-tunnel packet types lkup table */
+#define QEDE_PKT_TYPE_UNKNOWN 0x0
+#define QEDE_PKT_TYPE_MAX 0xf
+#define QEDE_PKT_TYPE_IPV4 0x1
+#define QEDE_PKT_TYPE_IPV6 0x2
+#define QEDE_PKT_TYPE_IPV4_TCP 0x5
+#define QEDE_PKT_TYPE_IPV6_TCP 0x6
+#define QEDE_PKT_TYPE_IPV4_UDP 0x9
+#define QEDE_PKT_TYPE_IPV6_UDP 0xa
+
+/* Macros for tunneled packets with next protocol lkup table */
+#define QEDE_PKT_TYPE_TUNN_GENEVE 0x1
+#define QEDE_PKT_TYPE_TUNN_GRE 0x2
+#define QEDE_PKT_TYPE_TUNN_VXLAN 0x3
+
+/* Bit 2 is don't care bit */
+#define QEDE_PKT_TYPE_TUNN_L2_TENID_NOEXIST_GENEVE 0x9
+#define QEDE_PKT_TYPE_TUNN_L2_TENID_NOEXIST_GRE 0xa
+#define QEDE_PKT_TYPE_TUNN_L2_TENID_NOEXIST_VXLAN 0xb
+
+#define QEDE_PKT_TYPE_TUNN_L2_TENID_EXIST_GENEVE 0xd
+#define QEDE_PKT_TYPE_TUNN_L2_TENID_EXIST_GRE 0xe
+#define QEDE_PKT_TYPE_TUNN_L2_TENID_EXIST_VXLAN 0xf
+
+
+#define QEDE_PKT_TYPE_TUNN_IPV4_TENID_NOEXIST_GENEVE 0x11
+#define QEDE_PKT_TYPE_TUNN_IPV4_TENID_NOEXIST_GRE 0x12
+#define QEDE_PKT_TYPE_TUNN_IPV4_TENID_NOEXIST_VXLAN 0x13
+
+#define QEDE_PKT_TYPE_TUNN_IPV4_TENID_EXIST_GENEVE 0x15
+#define QEDE_PKT_TYPE_TUNN_IPV4_TENID_EXIST_GRE 0x16
+#define QEDE_PKT_TYPE_TUNN_IPV4_TENID_EXIST_VXLAN 0x17
+
+
+#define QEDE_PKT_TYPE_TUNN_IPV6_TENID_NOEXIST_GENEVE 0x19
+#define QEDE_PKT_TYPE_TUNN_IPV6_TENID_NOEXIST_GRE 0x1a
+#define QEDE_PKT_TYPE_TUNN_IPV6_TENID_NOEXIST_VXLAN 0x1b
+
+#define QEDE_PKT_TYPE_TUNN_IPV6_TENID_EXIST_GENEVE 0x1d
+#define QEDE_PKT_TYPE_TUNN_IPV6_TENID_EXIST_GRE 0x1e
+#define QEDE_PKT_TYPE_TUNN_IPV6_TENID_EXIST_VXLAN 0x1f
+
+#define QEDE_PKT_TYPE_TUNN_MAX_TYPE 0x20 /* 2^5 */
+
/*
* RX BD descriptor ring
*/
@@ -133,6 +178,7 @@ struct qede_tx_queue {
volatile union db_prod tx_db;
uint16_t port_id;
uint64_t xmit_pkts;
+ bool is_legacy;
struct qede_dev *qdev;
};
--
1.8.3.1
More information about the dev
mailing list