--- /dev/null
+/*-
+ * BSD LICENSE
+ *
+ * Copyright(c) 2010-2015 Intel Corporation. All rights reserved.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
+ * distribution.
+ * * Neither the name of Intel Corporation nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <sys/queue.h>
+#include <stdio.h>
+#include <errno.h>
+#include <stdint.h>
+#include <string.h>
+#include <unistd.h>
+#include <stdarg.h>
+
+#include <rte_ether.h>
+#include <rte_ethdev.h>
+#include <rte_log.h>
+#include <rte_memzone.h>
+#include <rte_malloc.h>
+#include <rte_arp.h>
+#include <rte_ip.h>
+#include <rte_udp.h>
+#include <rte_tcp.h>
+#include <rte_sctp.h>
+
+#include "i40e_logs.h"
+#include "base/i40e_type.h"
+#include "base/i40e_prototype.h"
+#include "i40e_ethdev.h"
+#include "i40e_rxtx.h"
+
+#define I40E_FDIR_MZ_NAME "FDIR_MEMZONE"
+#ifndef IPV6_ADDR_LEN
+#define IPV6_ADDR_LEN 16
+#endif
+
+#define I40E_FDIR_PKT_LEN 512
+#define I40E_FDIR_IP_DEFAULT_LEN 420
+#define I40E_FDIR_IP_DEFAULT_TTL 0x40
+#define I40E_FDIR_IP_DEFAULT_VERSION_IHL 0x45
+#define I40E_FDIR_TCP_DEFAULT_DATAOFF 0x50
+#define I40E_FDIR_IPv6_DEFAULT_VTC_FLOW 0x60000000
+#define I40E_FDIR_IPv6_TC_OFFSET 20
+
+#define I40E_FDIR_IPv6_DEFAULT_HOP_LIMITS 0xFF
+#define I40E_FDIR_IPv6_PAYLOAD_LEN 380
+#define I40E_FDIR_UDP_DEFAULT_LEN 400
+
+/* Wait count and interval for fdir filter programming */
+#define I40E_FDIR_WAIT_COUNT 10
+#define I40E_FDIR_WAIT_INTERVAL_US 1000
+
+/* Wait count and interval for fdir filter flush */
+#define I40E_FDIR_FLUSH_RETRY 50
+#define I40E_FDIR_FLUSH_INTERVAL_MS 5
+
+#define I40E_COUNTER_PF 2
+/* Statistic counter index for one pf */
+#define I40E_COUNTER_INDEX_FDIR(pf_id) (0 + (pf_id) * I40E_COUNTER_PF)
+#define I40E_MAX_FLX_SOURCE_OFF 480
+#define I40E_FLX_OFFSET_IN_FIELD_VECTOR 50
+
+#define NONUSE_FLX_PIT_DEST_OFF 63
+#define NONUSE_FLX_PIT_FSIZE 1
+#define MK_FLX_PIT(src_offset, fsize, dst_offset) ( \
+ (((src_offset) << I40E_PRTQF_FLX_PIT_SOURCE_OFF_SHIFT) & \
+ I40E_PRTQF_FLX_PIT_SOURCE_OFF_MASK) | \
+ (((fsize) << I40E_PRTQF_FLX_PIT_FSIZE_SHIFT) & \
+ I40E_PRTQF_FLX_PIT_FSIZE_MASK) | \
+ ((((dst_offset) + I40E_FLX_OFFSET_IN_FIELD_VECTOR) << \
+ I40E_PRTQF_FLX_PIT_DEST_OFF_SHIFT) & \
+ I40E_PRTQF_FLX_PIT_DEST_OFF_MASK))
+
+#define I40E_FDIR_FLOWS ( \
+ (1 << RTE_ETH_FLOW_FRAG_IPV4) | \
+ (1 << RTE_ETH_FLOW_NONFRAG_IPV4_UDP) | \
+ (1 << RTE_ETH_FLOW_NONFRAG_IPV4_TCP) | \
+ (1 << RTE_ETH_FLOW_NONFRAG_IPV4_SCTP) | \
+ (1 << RTE_ETH_FLOW_NONFRAG_IPV4_OTHER) | \
+ (1 << RTE_ETH_FLOW_FRAG_IPV6) | \
+ (1 << RTE_ETH_FLOW_NONFRAG_IPV6_UDP) | \
+ (1 << RTE_ETH_FLOW_NONFRAG_IPV6_TCP) | \
+ (1 << RTE_ETH_FLOW_NONFRAG_IPV6_SCTP) | \
+ (1 << RTE_ETH_FLOW_NONFRAG_IPV6_OTHER) | \
+ (1 << RTE_ETH_FLOW_L2_PAYLOAD))
+
+#define I40E_FLEX_WORD_MASK(off) (0x80 >> (off))
+
+static int i40e_fdir_rx_queue_init(struct i40e_rx_queue *rxq);
+static int i40e_check_fdir_flex_conf(
+ const struct rte_eth_fdir_flex_conf *conf);
+static void i40e_set_flx_pld_cfg(struct i40e_pf *pf,
+ const struct rte_eth_flex_payload_cfg *cfg);
+static void i40e_set_flex_mask_on_pctype(struct i40e_pf *pf,
+ enum i40e_filter_pctype pctype,
+ const struct rte_eth_fdir_flex_mask *mask_cfg);
+static int i40e_fdir_construct_pkt(struct i40e_pf *pf,
+ const struct rte_eth_fdir_input *fdir_input,
+ unsigned char *raw_pkt);
+static int i40e_add_del_fdir_filter(struct rte_eth_dev *dev,
+ const struct rte_eth_fdir_filter *filter,
+ bool add);
+static int i40e_fdir_filter_programming(struct i40e_pf *pf,
+ enum i40e_filter_pctype pctype,
+ const struct rte_eth_fdir_filter *filter,
+ bool add);
+static int i40e_fdir_flush(struct rte_eth_dev *dev);
+static void i40e_fdir_info_get(struct rte_eth_dev *dev,
+ struct rte_eth_fdir_info *fdir);
+static void i40e_fdir_stats_get(struct rte_eth_dev *dev,
+ struct rte_eth_fdir_stats *stat);
+
+static int
+i40e_fdir_rx_queue_init(struct i40e_rx_queue *rxq)
+{
+ struct i40e_hw *hw = I40E_VSI_TO_HW(rxq->vsi);
+ struct i40e_hmc_obj_rxq rx_ctx;
+ int err = I40E_SUCCESS;
+
+ memset(&rx_ctx, 0, sizeof(struct i40e_hmc_obj_rxq));
+ /* Init the RX queue in hardware */
+ rx_ctx.dbuff = I40E_RXBUF_SZ_1024 >> I40E_RXQ_CTX_DBUFF_SHIFT;
+ rx_ctx.hbuff = 0;
+ rx_ctx.base = rxq->rx_ring_phys_addr / I40E_QUEUE_BASE_ADDR_UNIT;
+ rx_ctx.qlen = rxq->nb_rx_desc;
+#ifndef RTE_LIBRTE_I40E_16BYTE_RX_DESC
+ rx_ctx.dsize = 1;
+#endif
+ rx_ctx.dtype = i40e_header_split_none;
+ rx_ctx.hsplit_0 = I40E_HEADER_SPLIT_NONE;
+ rx_ctx.rxmax = ETHER_MAX_LEN;
+ rx_ctx.tphrdesc_ena = 1;
+ rx_ctx.tphwdesc_ena = 1;
+ rx_ctx.tphdata_ena = 1;
+ rx_ctx.tphhead_ena = 1;
+ rx_ctx.lrxqthresh = 2;
+ rx_ctx.crcstrip = 0;
+ rx_ctx.l2tsel = 1;
+ rx_ctx.showiv = 1;
+ rx_ctx.prefena = 1;
+
+ err = i40e_clear_lan_rx_queue_context(hw, rxq->reg_idx);
+ if (err != I40E_SUCCESS) {
+ PMD_DRV_LOG(ERR, "Failed to clear FDIR RX queue context.");
+ return err;
+ }
+ err = i40e_set_lan_rx_queue_context(hw, rxq->reg_idx, &rx_ctx);
+ if (err != I40E_SUCCESS) {
+ PMD_DRV_LOG(ERR, "Failed to set FDIR RX queue context.");
+ return err;
+ }
+ rxq->qrx_tail = hw->hw_addr +
+ I40E_QRX_TAIL(rxq->vsi->base_queue);
+
+ rte_wmb();
+ /* Init the RX tail regieter. */
+ I40E_PCI_REG_WRITE(rxq->qrx_tail, 0);
+ I40E_PCI_REG_WRITE(rxq->qrx_tail, rxq->nb_rx_desc - 1);
+
+ return err;
+}
+
+/*
+ * i40e_fdir_setup - reserve and initialize the Flow Director resources
+ * @pf: board private structure
+ */
+int
+i40e_fdir_setup(struct i40e_pf *pf)
+{
+ struct i40e_hw *hw = I40E_PF_TO_HW(pf);
+ struct i40e_vsi *vsi;
+ int err = I40E_SUCCESS;
+ char z_name[RTE_MEMZONE_NAMESIZE];
+ const struct rte_memzone *mz = NULL;
+ struct rte_eth_dev *eth_dev = pf->adapter->eth_dev;
+
+ if ((pf->flags & I40E_FLAG_FDIR) == 0) {
+ PMD_INIT_LOG(ERR, "HW doesn't support FDIR");
+ return I40E_NOT_SUPPORTED;
+ }
+
+ PMD_DRV_LOG(INFO, "FDIR HW Capabilities: num_filters_guaranteed = %u,"
+ " num_filters_best_effort = %u.",
+ hw->func_caps.fd_filters_guaranteed,
+ hw->func_caps.fd_filters_best_effort);
+
+ vsi = pf->fdir.fdir_vsi;
+ if (vsi) {
+ PMD_DRV_LOG(INFO, "FDIR initialization has been done.");
+ return I40E_SUCCESS;
+ }
+ /* make new FDIR VSI */
+ vsi = i40e_vsi_setup(pf, I40E_VSI_FDIR, pf->main_vsi, 0);
+ if (!vsi) {
+ PMD_DRV_LOG(ERR, "Couldn't create FDIR VSI.");
+ return I40E_ERR_NO_AVAILABLE_VSI;
+ }
+ pf->fdir.fdir_vsi = vsi;
+
+ /*Fdir tx queue setup*/
+ err = i40e_fdir_setup_tx_resources(pf);
+ if (err) {
+ PMD_DRV_LOG(ERR, "Failed to setup FDIR TX resources.");
+ goto fail_setup_tx;
+ }
+
+ /*Fdir rx queue setup*/
+ err = i40e_fdir_setup_rx_resources(pf);
+ if (err) {
+ PMD_DRV_LOG(ERR, "Failed to setup FDIR RX resources.");
+ goto fail_setup_rx;
+ }
+
+ err = i40e_tx_queue_init(pf->fdir.txq);
+ if (err) {
+ PMD_DRV_LOG(ERR, "Failed to do FDIR TX initialization.");
+ goto fail_mem;
+ }
+
+ /* need switch on before dev start*/
+ err = i40e_switch_tx_queue(hw, vsi->base_queue, TRUE);
+ if (err) {
+ PMD_DRV_LOG(ERR, "Failed to do fdir TX switch on.");
+ goto fail_mem;
+ }
+
+ /* Init the rx queue in hardware */
+ err = i40e_fdir_rx_queue_init(pf->fdir.rxq);
+ if (err) {
+ PMD_DRV_LOG(ERR, "Failed to do FDIR RX initialization.");
+ goto fail_mem;
+ }
+
+ /* switch on rx queue */
+ err = i40e_switch_rx_queue(hw, vsi->base_queue, TRUE);
+ if (err) {
+ PMD_DRV_LOG(ERR, "Failed to do FDIR RX switch on.");
+ goto fail_mem;
+ }
+
+ /* reserve memory for the fdir programming packet */
+ snprintf(z_name, sizeof(z_name), "%s_%s_%d",
+ eth_dev->driver->pci_drv.name,
+ I40E_FDIR_MZ_NAME,
+ eth_dev->data->port_id);
+ mz = i40e_memzone_reserve(z_name, I40E_FDIR_PKT_LEN, SOCKET_ID_ANY);
+ if (!mz) {
+ PMD_DRV_LOG(ERR, "Cannot init memzone for "
+ "flow director program packet.");
+ err = I40E_ERR_NO_MEMORY;
+ goto fail_mem;
+ }
+ pf->fdir.prg_pkt = mz->addr;
+ pf->fdir.dma_addr = rte_mem_phy2mch(mz->memseg_id, mz->phys_addr);
+
+ pf->fdir.match_counter_index = I40E_COUNTER_INDEX_FDIR(hw->pf_id);
+ PMD_DRV_LOG(INFO, "FDIR setup successfully, with programming queue %u.",
+ vsi->base_queue);
+ return I40E_SUCCESS;
+
+fail_mem:
+ i40e_dev_rx_queue_release(pf->fdir.rxq);
+ pf->fdir.rxq = NULL;
+fail_setup_rx:
+ i40e_dev_tx_queue_release(pf->fdir.txq);
+ pf->fdir.txq = NULL;
+fail_setup_tx:
+ i40e_vsi_release(vsi);
+ pf->fdir.fdir_vsi = NULL;
+ return err;
+}
+
+/*
+ * i40e_fdir_teardown - release the Flow Director resources
+ * @pf: board private structure
+ */
+void
+i40e_fdir_teardown(struct i40e_pf *pf)
+{
+ struct i40e_hw *hw = I40E_PF_TO_HW(pf);
+ struct i40e_vsi *vsi;
+
+ vsi = pf->fdir.fdir_vsi;
+ if (!vsi)
+ return;
+ i40e_switch_tx_queue(hw, vsi->base_queue, FALSE);
+ i40e_switch_rx_queue(hw, vsi->base_queue, FALSE);
+ i40e_dev_rx_queue_release(pf->fdir.rxq);
+ pf->fdir.rxq = NULL;
+ i40e_dev_tx_queue_release(pf->fdir.txq);
+ pf->fdir.txq = NULL;
+ i40e_vsi_release(vsi);
+ pf->fdir.fdir_vsi = NULL;
+}
+
+/* check whether the flow director table in empty */
+static inline int
+i40e_fdir_empty(struct i40e_hw *hw)
+{
+ uint32_t guarant_cnt, best_cnt;
+
+ guarant_cnt = (uint32_t)((I40E_READ_REG(hw, I40E_PFQF_FDSTAT) &
+ I40E_PFQF_FDSTAT_GUARANT_CNT_MASK) >>
+ I40E_PFQF_FDSTAT_GUARANT_CNT_SHIFT);
+ best_cnt = (uint32_t)((I40E_READ_REG(hw, I40E_PFQF_FDSTAT) &
+ I40E_PFQF_FDSTAT_BEST_CNT_MASK) >>
+ I40E_PFQF_FDSTAT_BEST_CNT_SHIFT);
+ if (best_cnt + guarant_cnt > 0)
+ return -1;
+
+ return 0;
+}
+
+/*
+ * Initialize the configuration about bytes stream extracted as flexible payload
+ * and mask setting
+ */
+static inline void
+i40e_init_flx_pld(struct i40e_pf *pf)
+{
+ struct i40e_hw *hw = I40E_PF_TO_HW(pf);
+ uint8_t pctype;
+ int i, index;
+
+ /*
+ * Define the bytes stream extracted as flexible payload in
+ * field vector. By default, select 8 words from the beginning
+ * of payload as flexible payload.
+ */
+ for (i = I40E_FLXPLD_L2_IDX; i < I40E_MAX_FLXPLD_LAYER; i++) {
+ index = i * I40E_MAX_FLXPLD_FIED;
+ pf->fdir.flex_set[index].src_offset = 0;
+ pf->fdir.flex_set[index].size = I40E_FDIR_MAX_FLEXWORD_NUM;
+ pf->fdir.flex_set[index].dst_offset = 0;
+ I40E_WRITE_REG(hw, I40E_PRTQF_FLX_PIT(index), 0x0000C900);
+ I40E_WRITE_REG(hw,
+ I40E_PRTQF_FLX_PIT(index + 1), 0x0000FC29);/*non-used*/
+ I40E_WRITE_REG(hw,
+ I40E_PRTQF_FLX_PIT(index + 2), 0x0000FC2A);/*non-used*/
+ }
+
+ /* initialize the masks */
+ for (pctype = I40E_FILTER_PCTYPE_NONF_IPV4_UDP;
+ pctype <= I40E_FILTER_PCTYPE_L2_PAYLOAD; pctype++) {
+ if (!I40E_VALID_PCTYPE((enum i40e_filter_pctype)pctype))
+ continue;
+ pf->fdir.flex_mask[pctype].word_mask = 0;
+ i40e_write_rx_ctl(hw, I40E_PRTQF_FD_FLXINSET(pctype), 0);
+ for (i = 0; i < I40E_FDIR_BITMASK_NUM_WORD; i++) {
+ pf->fdir.flex_mask[pctype].bitmask[i].offset = 0;
+ pf->fdir.flex_mask[pctype].bitmask[i].mask = 0;
+ i40e_write_rx_ctl(hw, I40E_PRTQF_FD_MSK(pctype, i), 0);
+ }
+ }
+}
+
+#define I40E_WORD(hi, lo) (uint16_t)((((hi) << 8) & 0xFF00) | ((lo) & 0xFF))
+
+#define I40E_VALIDATE_FLEX_PIT(flex_pit1, flex_pit2) do { \
+ if ((flex_pit2).src_offset < \
+ (flex_pit1).src_offset + (flex_pit1).size) { \
+ PMD_DRV_LOG(ERR, "src_offset should be not" \
+ " less than than previous offset" \
+ " + previous FSIZE."); \
+ return -EINVAL; \
+ } \
+} while (0)
+
+/*
+ * i40e_srcoff_to_flx_pit - transform the src_offset into flex_pit structure,
+ * and the flex_pit will be sorted by it's src_offset value
+ */
+static inline uint16_t
+i40e_srcoff_to_flx_pit(const uint16_t *src_offset,
+ struct i40e_fdir_flex_pit *flex_pit)
+{
+ uint16_t src_tmp, size, num = 0;
+ uint16_t i, k, j = 0;
+
+ while (j < I40E_FDIR_MAX_FLEX_LEN) {
+ size = 1;
+ for (; j < I40E_FDIR_MAX_FLEX_LEN - 1; j++) {
+ if (src_offset[j + 1] == src_offset[j] + 1)
+ size++;
+ else
+ break;
+ }
+ src_tmp = src_offset[j] + 1 - size;
+ /* the flex_pit need to be sort by src_offset */
+ for (i = 0; i < num; i++) {
+ if (src_tmp < flex_pit[i].src_offset)
+ break;
+ }
+ /* if insert required, move backward */
+ for (k = num; k > i; k--)
+ flex_pit[k] = flex_pit[k - 1];
+ /* insert */
+ flex_pit[i].dst_offset = j + 1 - size;
+ flex_pit[i].src_offset = src_tmp;
+ flex_pit[i].size = size;
+ j++;
+ num++;
+ }
+ return num;
+}
+
+/* i40e_check_fdir_flex_payload -check flex payload configuration arguments */
+static inline int
+i40e_check_fdir_flex_payload(const struct rte_eth_flex_payload_cfg *flex_cfg)
+{
+ struct i40e_fdir_flex_pit flex_pit[I40E_FDIR_MAX_FLEX_LEN];
+ uint16_t num, i;
+
+ for (i = 0; i < I40E_FDIR_MAX_FLEX_LEN; i++) {
+ if (flex_cfg->src_offset[i] >= I40E_MAX_FLX_SOURCE_OFF) {
+ PMD_DRV_LOG(ERR, "exceeds maxmial payload limit.");
+ return -EINVAL;
+ }
+ }
+
+ memset(flex_pit, 0, sizeof(flex_pit));
+ num = i40e_srcoff_to_flx_pit(flex_cfg->src_offset, flex_pit);
+ if (num > I40E_MAX_FLXPLD_FIED) {
+ PMD_DRV_LOG(ERR, "exceeds maxmial number of flex fields.");
+ return -EINVAL;
+ }
+ for (i = 0; i < num; i++) {
+ if (flex_pit[i].size & 0x01 || flex_pit[i].dst_offset & 0x01 ||
+ flex_pit[i].src_offset & 0x01) {
+ PMD_DRV_LOG(ERR, "flexpayload should be measured"
+ " in word");
+ return -EINVAL;
+ }
+ if (i != num - 1)
+ I40E_VALIDATE_FLEX_PIT(flex_pit[i], flex_pit[i + 1]);
+ }
+ return 0;
+}
+
+/*
+ * i40e_check_fdir_flex_conf -check if the flex payload and mask configuration
+ * arguments are valid
+ */
+static int
+i40e_check_fdir_flex_conf(const struct rte_eth_fdir_flex_conf *conf)
+{
+ const struct rte_eth_flex_payload_cfg *flex_cfg;
+ const struct rte_eth_fdir_flex_mask *flex_mask;
+ uint16_t mask_tmp;
+ uint8_t nb_bitmask;
+ uint16_t i, j;
+ int ret = 0;
+
+ if (conf == NULL) {
+ PMD_DRV_LOG(INFO, "NULL pointer.");
+ return -EINVAL;
+ }
+ /* check flexible payload setting configuration */
+ if (conf->nb_payloads > RTE_ETH_L4_PAYLOAD) {
+ PMD_DRV_LOG(ERR, "invalid number of payload setting.");
+ return -EINVAL;
+ }
+ for (i = 0; i < conf->nb_payloads; i++) {
+ flex_cfg = &conf->flex_set[i];
+ if (flex_cfg->type > RTE_ETH_L4_PAYLOAD) {
+ PMD_DRV_LOG(ERR, "invalid payload type.");
+ return -EINVAL;
+ }
+ ret = i40e_check_fdir_flex_payload(flex_cfg);
+ if (ret < 0) {
+ PMD_DRV_LOG(ERR, "invalid flex payload arguments.");
+ return -EINVAL;
+ }
+ }
+
+ /* check flex mask setting configuration */
+ if (conf->nb_flexmasks >= RTE_ETH_FLOW_MAX) {
+ PMD_DRV_LOG(ERR, "invalid number of flex masks.");
+ return -EINVAL;
+ }
+ for (i = 0; i < conf->nb_flexmasks; i++) {
+ flex_mask = &conf->flex_mask[i];
+ if (!I40E_VALID_FLOW(flex_mask->flow_type)) {
+ PMD_DRV_LOG(WARNING, "invalid flow type.");
+ return -EINVAL;
+ }
+ nb_bitmask = 0;
+ for (j = 0; j < I40E_FDIR_MAX_FLEX_LEN; j += sizeof(uint16_t)) {
+ mask_tmp = I40E_WORD(flex_mask->mask[j],
+ flex_mask->mask[j + 1]);
+ if (mask_tmp != 0x0 && mask_tmp != UINT16_MAX) {
+ nb_bitmask++;
+ if (nb_bitmask > I40E_FDIR_BITMASK_NUM_WORD) {
+ PMD_DRV_LOG(ERR, " exceed maximal"
+ " number of bitmasks.");
+ return -EINVAL;
+ }
+ }
+ }
+ }
+ return 0;
+}
+
+/*
+ * i40e_set_flx_pld_cfg -configure the rule how bytes stream is extracted as flexible payload
+ * @pf: board private structure
+ * @cfg: the rule how bytes stream is extracted as flexible payload
+ */
+static void
+i40e_set_flx_pld_cfg(struct i40e_pf *pf,
+ const struct rte_eth_flex_payload_cfg *cfg)
+{
+ struct i40e_hw *hw = I40E_PF_TO_HW(pf);
+ struct i40e_fdir_flex_pit flex_pit[I40E_MAX_FLXPLD_FIED];
+ uint32_t flx_pit;
+ uint16_t num, min_next_off; /* in words */
+ uint8_t field_idx = 0;
+ uint8_t layer_idx = 0;
+ uint16_t i;
+
+ if (cfg->type == RTE_ETH_L2_PAYLOAD)
+ layer_idx = I40E_FLXPLD_L2_IDX;
+ else if (cfg->type == RTE_ETH_L3_PAYLOAD)
+ layer_idx = I40E_FLXPLD_L3_IDX;
+ else if (cfg->type == RTE_ETH_L4_PAYLOAD)
+ layer_idx = I40E_FLXPLD_L4_IDX;
+
+ memset(flex_pit, 0, sizeof(flex_pit));
+ num = i40e_srcoff_to_flx_pit(cfg->src_offset, flex_pit);
+
+ for (i = 0; i < RTE_MIN(num, RTE_DIM(flex_pit)); i++) {
+ field_idx = layer_idx * I40E_MAX_FLXPLD_FIED + i;
+ /* record the info in fdir structure */
+ pf->fdir.flex_set[field_idx].src_offset =
+ flex_pit[i].src_offset / sizeof(uint16_t);
+ pf->fdir.flex_set[field_idx].size =
+ flex_pit[i].size / sizeof(uint16_t);
+ pf->fdir.flex_set[field_idx].dst_offset =
+ flex_pit[i].dst_offset / sizeof(uint16_t);
+ flx_pit = MK_FLX_PIT(pf->fdir.flex_set[field_idx].src_offset,
+ pf->fdir.flex_set[field_idx].size,
+ pf->fdir.flex_set[field_idx].dst_offset);
+
+ I40E_WRITE_REG(hw, I40E_PRTQF_FLX_PIT(field_idx), flx_pit);
+ }
+ min_next_off = pf->fdir.flex_set[field_idx].src_offset +
+ pf->fdir.flex_set[field_idx].size;
+
+ for (; i < I40E_MAX_FLXPLD_FIED; i++) {
+ /* set the non-used register obeying register's constrain */
+ flx_pit = MK_FLX_PIT(min_next_off, NONUSE_FLX_PIT_FSIZE,
+ NONUSE_FLX_PIT_DEST_OFF);
+ I40E_WRITE_REG(hw,
+ I40E_PRTQF_FLX_PIT(layer_idx * I40E_MAX_FLXPLD_FIED + i),
+ flx_pit);
+ min_next_off++;
+ }
+}
+
+/*
+ * i40e_set_flex_mask_on_pctype - configure the mask on flexible payload
+ * @pf: board private structure
+ * @pctype: packet classify type
+ * @flex_masks: mask for flexible payload
+ */
+static void
+i40e_set_flex_mask_on_pctype(struct i40e_pf *pf,
+ enum i40e_filter_pctype pctype,
+ const struct rte_eth_fdir_flex_mask *mask_cfg)
+{
+ struct i40e_hw *hw = I40E_PF_TO_HW(pf);
+ struct i40e_fdir_flex_mask *flex_mask;
+ uint32_t flxinset, fd_mask;
+ uint16_t mask_tmp;
+ uint8_t i, nb_bitmask = 0;
+
+ flex_mask = &pf->fdir.flex_mask[pctype];
+ memset(flex_mask, 0, sizeof(struct i40e_fdir_flex_mask));
+ for (i = 0; i < I40E_FDIR_MAX_FLEX_LEN; i += sizeof(uint16_t)) {
+ mask_tmp = I40E_WORD(mask_cfg->mask[i], mask_cfg->mask[i + 1]);
+ if (mask_tmp != 0x0) {
+ flex_mask->word_mask |=
+ I40E_FLEX_WORD_MASK(i / sizeof(uint16_t));
+ if (mask_tmp != UINT16_MAX) {
+ /* set bit mask */
+ flex_mask->bitmask[nb_bitmask].mask = ~mask_tmp;
+ flex_mask->bitmask[nb_bitmask].offset =
+ i / sizeof(uint16_t);
+ nb_bitmask++;
+ }
+ }
+ }
+ /* write mask to hw */
+ flxinset = (flex_mask->word_mask <<
+ I40E_PRTQF_FD_FLXINSET_INSET_SHIFT) &
+ I40E_PRTQF_FD_FLXINSET_INSET_MASK;
+ i40e_write_rx_ctl(hw, I40E_PRTQF_FD_FLXINSET(pctype), flxinset);
+
+ for (i = 0; i < nb_bitmask; i++) {
+ fd_mask = (flex_mask->bitmask[i].mask <<
+ I40E_PRTQF_FD_MSK_MASK_SHIFT) &
+ I40E_PRTQF_FD_MSK_MASK_MASK;
+ fd_mask |= ((flex_mask->bitmask[i].offset +
+ I40E_FLX_OFFSET_IN_FIELD_VECTOR) <<
+ I40E_PRTQF_FD_MSK_OFFSET_SHIFT) &
+ I40E_PRTQF_FD_MSK_OFFSET_MASK;
+ i40e_write_rx_ctl(hw, I40E_PRTQF_FD_MSK(pctype, i), fd_mask);
+ }
+}
+
+/*
+ * Configure flow director related setting
+ */
+int
+i40e_fdir_configure(struct rte_eth_dev *dev)
+{
+ struct i40e_pf *pf = I40E_DEV_PRIVATE_TO_PF(dev->data->dev_private);
+ struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+ struct rte_eth_fdir_flex_conf *conf;
+ enum i40e_filter_pctype pctype;
+ uint32_t val;
+ uint8_t i;
+ int ret = 0;
+
+ /*
+ * configuration need to be done before
+ * flow director filters are added
+ * If filters exist, flush them.
+ */
+ if (i40e_fdir_empty(hw) < 0) {
+ ret = i40e_fdir_flush(dev);
+ if (ret) {
+ PMD_DRV_LOG(ERR, "failed to flush fdir table.");
+ return ret;
+ }
+ }
+
+ /* enable FDIR filter */
+ val = i40e_read_rx_ctl(hw, I40E_PFQF_CTL_0);
+ val |= I40E_PFQF_CTL_0_FD_ENA_MASK;
+ i40e_write_rx_ctl(hw, I40E_PFQF_CTL_0, val);
+
+ i40e_init_flx_pld(pf); /* set flex config to default value */
+
+ conf = &dev->data->dev_conf.fdir_conf.flex_conf;
+ ret = i40e_check_fdir_flex_conf(conf);
+ if (ret < 0) {
+ PMD_DRV_LOG(ERR, " invalid configuration arguments.");
+ return -EINVAL;
+ }
+ /* configure flex payload */
+ for (i = 0; i < conf->nb_payloads; i++)
+ i40e_set_flx_pld_cfg(pf, &conf->flex_set[i]);
+ /* configure flex mask*/
+ for (i = 0; i < conf->nb_flexmasks; i++) {
+ pctype = i40e_flowtype_to_pctype(conf->flex_mask[i].flow_type);
+ i40e_set_flex_mask_on_pctype(pf, pctype, &conf->flex_mask[i]);
+ }
+
+ return ret;
+}
+
+static inline int
+i40e_fdir_fill_eth_ip_head(const struct rte_eth_fdir_input *fdir_input,
+ unsigned char *raw_pkt,
+ bool vlan)
+{
+ static uint8_t vlan_frame[] = {0x81, 0, 0, 0};
+ uint16_t *ether_type;
+ uint8_t len = 2 * sizeof(struct ether_addr);
+ struct ipv4_hdr *ip;
+ struct ipv6_hdr *ip6;
+ static const uint8_t next_proto[] = {
+ [RTE_ETH_FLOW_FRAG_IPV4] = IPPROTO_IP,
+ [RTE_ETH_FLOW_NONFRAG_IPV4_TCP] = IPPROTO_TCP,
+ [RTE_ETH_FLOW_NONFRAG_IPV4_UDP] = IPPROTO_UDP,
+ [RTE_ETH_FLOW_NONFRAG_IPV4_SCTP] = IPPROTO_SCTP,
+ [RTE_ETH_FLOW_NONFRAG_IPV4_OTHER] = IPPROTO_IP,
+ [RTE_ETH_FLOW_FRAG_IPV6] = IPPROTO_NONE,
+ [RTE_ETH_FLOW_NONFRAG_IPV6_TCP] = IPPROTO_TCP,
+ [RTE_ETH_FLOW_NONFRAG_IPV6_UDP] = IPPROTO_UDP,
+ [RTE_ETH_FLOW_NONFRAG_IPV6_SCTP] = IPPROTO_SCTP,
+ [RTE_ETH_FLOW_NONFRAG_IPV6_OTHER] = IPPROTO_NONE,
+ };
+
+ raw_pkt += 2 * sizeof(struct ether_addr);
+ if (vlan && fdir_input->flow_ext.vlan_tci) {
+ rte_memcpy(raw_pkt, vlan_frame, sizeof(vlan_frame));
+ rte_memcpy(raw_pkt + sizeof(uint16_t),
+ &fdir_input->flow_ext.vlan_tci,
+ sizeof(uint16_t));
+ raw_pkt += sizeof(vlan_frame);
+ len += sizeof(vlan_frame);
+ }
+ ether_type = (uint16_t *)raw_pkt;
+ raw_pkt += sizeof(uint16_t);
+ len += sizeof(uint16_t);
+
+ switch (fdir_input->flow_type) {
+ case RTE_ETH_FLOW_L2_PAYLOAD:
+ *ether_type = fdir_input->flow.l2_flow.ether_type;
+ break;
+ case RTE_ETH_FLOW_NONFRAG_IPV4_TCP:
+ case RTE_ETH_FLOW_NONFRAG_IPV4_UDP:
+ case RTE_ETH_FLOW_NONFRAG_IPV4_SCTP:
+ case RTE_ETH_FLOW_NONFRAG_IPV4_OTHER:
+ case RTE_ETH_FLOW_FRAG_IPV4:
+ ip = (struct ipv4_hdr *)raw_pkt;
+
+ *ether_type = rte_cpu_to_be_16(ETHER_TYPE_IPv4);
+ ip->version_ihl = I40E_FDIR_IP_DEFAULT_VERSION_IHL;
+ /* set len to by default */
+ ip->total_length = rte_cpu_to_be_16(I40E_FDIR_IP_DEFAULT_LEN);
+ ip->next_proto_id = fdir_input->flow.ip4_flow.proto ?
+ fdir_input->flow.ip4_flow.proto :
+ next_proto[fdir_input->flow_type];
+ ip->time_to_live = fdir_input->flow.ip4_flow.ttl ?
+ fdir_input->flow.ip4_flow.ttl :
+ I40E_FDIR_IP_DEFAULT_TTL;
+ ip->type_of_service = fdir_input->flow.ip4_flow.tos;
+ /*
+ * The source and destination fields in the transmitted packet
+ * need to be presented in a reversed order with respect
+ * to the expected received packets.
+ */
+ ip->src_addr = fdir_input->flow.ip4_flow.dst_ip;
+ ip->dst_addr = fdir_input->flow.ip4_flow.src_ip;
+ len += sizeof(struct ipv4_hdr);
+ break;
+ case RTE_ETH_FLOW_NONFRAG_IPV6_TCP:
+ case RTE_ETH_FLOW_NONFRAG_IPV6_UDP:
+ case RTE_ETH_FLOW_NONFRAG_IPV6_SCTP:
+ case RTE_ETH_FLOW_NONFRAG_IPV6_OTHER:
+ case RTE_ETH_FLOW_FRAG_IPV6:
+ ip6 = (struct ipv6_hdr *)raw_pkt;
+
+ *ether_type = rte_cpu_to_be_16(ETHER_TYPE_IPv6);
+ ip6->vtc_flow =
+ rte_cpu_to_be_32(I40E_FDIR_IPv6_DEFAULT_VTC_FLOW |
+ (fdir_input->flow.ipv6_flow.tc <<
+ I40E_FDIR_IPv6_TC_OFFSET));
+ ip6->payload_len =
+ rte_cpu_to_be_16(I40E_FDIR_IPv6_PAYLOAD_LEN);
+ ip6->proto = fdir_input->flow.ipv6_flow.proto ?
+ fdir_input->flow.ipv6_flow.proto :
+ next_proto[fdir_input->flow_type];
+ ip6->hop_limits = fdir_input->flow.ipv6_flow.hop_limits ?
+ fdir_input->flow.ipv6_flow.hop_limits :
+ I40E_FDIR_IPv6_DEFAULT_HOP_LIMITS;
+ /*
+ * The source and destination fields in the transmitted packet
+ * need to be presented in a reversed order with respect
+ * to the expected received packets.
+ */
+ rte_memcpy(&(ip6->src_addr),
+ &(fdir_input->flow.ipv6_flow.dst_ip),
+ IPV6_ADDR_LEN);
+ rte_memcpy(&(ip6->dst_addr),
+ &(fdir_input->flow.ipv6_flow.src_ip),
+ IPV6_ADDR_LEN);
+ len += sizeof(struct ipv6_hdr);
+ break;
+ default:
+ PMD_DRV_LOG(ERR, "unknown flow type %u.",
+ fdir_input->flow_type);
+ return -1;
+ }
+ return len;
+}
+
+
+/*
+ * i40e_fdir_construct_pkt - construct packet based on fields in input
+ * @pf: board private structure
+ * @fdir_input: input set of the flow director entry
+ * @raw_pkt: a packet to be constructed
+ */
+static int
+i40e_fdir_construct_pkt(struct i40e_pf *pf,
+ const struct rte_eth_fdir_input *fdir_input,
+ unsigned char *raw_pkt)
+{
+ unsigned char *payload, *ptr;
+ struct udp_hdr *udp;
+ struct tcp_hdr *tcp;
+ struct sctp_hdr *sctp;
+ uint8_t size, dst = 0;
+ uint8_t i, pit_idx, set_idx = I40E_FLXPLD_L4_IDX; /* use l4 by default*/
+ int len;
+
+ /* fill the ethernet and IP head */
+ len = i40e_fdir_fill_eth_ip_head(fdir_input, raw_pkt,
+ !!fdir_input->flow_ext.vlan_tci);
+ if (len < 0)
+ return -EINVAL;
+
+ /* fill the L4 head */
+ switch (fdir_input->flow_type) {
+ case RTE_ETH_FLOW_NONFRAG_IPV4_UDP:
+ udp = (struct udp_hdr *)(raw_pkt + len);
+ payload = (unsigned char *)udp + sizeof(struct udp_hdr);
+ /*
+ * The source and destination fields in the transmitted packet
+ * need to be presented in a reversed order with respect
+ * to the expected received packets.
+ */
+ udp->src_port = fdir_input->flow.udp4_flow.dst_port;
+ udp->dst_port = fdir_input->flow.udp4_flow.src_port;
+ udp->dgram_len = rte_cpu_to_be_16(I40E_FDIR_UDP_DEFAULT_LEN);
+ break;
+
+ case RTE_ETH_FLOW_NONFRAG_IPV4_TCP:
+ tcp = (struct tcp_hdr *)(raw_pkt + len);
+ payload = (unsigned char *)tcp + sizeof(struct tcp_hdr);
+ /*
+ * The source and destination fields in the transmitted packet
+ * need to be presented in a reversed order with respect
+ * to the expected received packets.
+ */
+ tcp->src_port = fdir_input->flow.tcp4_flow.dst_port;
+ tcp->dst_port = fdir_input->flow.tcp4_flow.src_port;
+ tcp->data_off = I40E_FDIR_TCP_DEFAULT_DATAOFF;
+ break;
+
+ case RTE_ETH_FLOW_NONFRAG_IPV4_SCTP:
+ sctp = (struct sctp_hdr *)(raw_pkt + len);
+ payload = (unsigned char *)sctp + sizeof(struct sctp_hdr);
+ /*
+ * The source and destination fields in the transmitted packet
+ * need to be presented in a reversed order with respect
+ * to the expected received packets.
+ */
+ sctp->src_port = fdir_input->flow.sctp4_flow.dst_port;
+ sctp->dst_port = fdir_input->flow.sctp4_flow.src_port;
+ sctp->tag = fdir_input->flow.sctp4_flow.verify_tag;
+ break;
+
+ case RTE_ETH_FLOW_NONFRAG_IPV4_OTHER:
+ case RTE_ETH_FLOW_FRAG_IPV4:
+ payload = raw_pkt + len;
+ set_idx = I40E_FLXPLD_L3_IDX;
+ break;
+
+ case RTE_ETH_FLOW_NONFRAG_IPV6_UDP:
+ udp = (struct udp_hdr *)(raw_pkt + len);
+ payload = (unsigned char *)udp + sizeof(struct udp_hdr);
+ /*
+ * The source and destination fields in the transmitted packet
+ * need to be presented in a reversed order with respect
+ * to the expected received packets.
+ */
+ udp->src_port = fdir_input->flow.udp6_flow.dst_port;
+ udp->dst_port = fdir_input->flow.udp6_flow.src_port;
+ udp->dgram_len = rte_cpu_to_be_16(I40E_FDIR_IPv6_PAYLOAD_LEN);
+ break;
+
+ case RTE_ETH_FLOW_NONFRAG_IPV6_TCP:
+ tcp = (struct tcp_hdr *)(raw_pkt + len);
+ payload = (unsigned char *)tcp + sizeof(struct tcp_hdr);
+ /*
+ * The source and destination fields in the transmitted packet
+ * need to be presented in a reversed order with respect
+ * to the expected received packets.
+ */
+ tcp->data_off = I40E_FDIR_TCP_DEFAULT_DATAOFF;
+ tcp->src_port = fdir_input->flow.udp6_flow.dst_port;
+ tcp->dst_port = fdir_input->flow.udp6_flow.src_port;
+ break;
+
+ case RTE_ETH_FLOW_NONFRAG_IPV6_SCTP:
+ sctp = (struct sctp_hdr *)(raw_pkt + len);
+ payload = (unsigned char *)sctp + sizeof(struct sctp_hdr);
+ /*
+ * The source and destination fields in the transmitted packet
+ * need to be presented in a reversed order with respect
+ * to the expected received packets.
+ */
+ sctp->src_port = fdir_input->flow.sctp6_flow.dst_port;
+ sctp->dst_port = fdir_input->flow.sctp6_flow.src_port;
+ sctp->tag = fdir_input->flow.sctp6_flow.verify_tag;
+ break;
+
+ case RTE_ETH_FLOW_NONFRAG_IPV6_OTHER:
+ case RTE_ETH_FLOW_FRAG_IPV6:
+ payload = raw_pkt + len;
+ set_idx = I40E_FLXPLD_L3_IDX;
+ break;
+ case RTE_ETH_FLOW_L2_PAYLOAD:
+ payload = raw_pkt + len;
+ /*
+ * ARP packet is a special case on which the payload
+ * starts after the whole ARP header
+ */
+ if (fdir_input->flow.l2_flow.ether_type ==
+ rte_cpu_to_be_16(ETHER_TYPE_ARP))
+ payload += sizeof(struct arp_hdr);
+ set_idx = I40E_FLXPLD_L2_IDX;
+ break;
+ default:
+ PMD_DRV_LOG(ERR, "unknown flow type %u.", fdir_input->flow_type);
+ return -EINVAL;
+ }
+
+ /* fill the flexbytes to payload */
+ for (i = 0; i < I40E_MAX_FLXPLD_FIED; i++) {
+ pit_idx = set_idx * I40E_MAX_FLXPLD_FIED + i;
+ size = pf->fdir.flex_set[pit_idx].size;
+ if (size == 0)
+ continue;
+ dst = pf->fdir.flex_set[pit_idx].dst_offset * sizeof(uint16_t);
+ ptr = payload +
+ pf->fdir.flex_set[pit_idx].src_offset * sizeof(uint16_t);
+ (void)rte_memcpy(ptr,
+ &fdir_input->flow_ext.flexbytes[dst],
+ size * sizeof(uint16_t));
+ }
+
+ return 0;
+}
+
+/* Construct the tx flags */
+static inline uint64_t
+i40e_build_ctob(uint32_t td_cmd,
+ uint32_t td_offset,
+ unsigned int size,
+ uint32_t td_tag)
+{
+ return rte_cpu_to_le_64(I40E_TX_DESC_DTYPE_DATA |
+ ((uint64_t)td_cmd << I40E_TXD_QW1_CMD_SHIFT) |
+ ((uint64_t)td_offset << I40E_TXD_QW1_OFFSET_SHIFT) |
+ ((uint64_t)size << I40E_TXD_QW1_TX_BUF_SZ_SHIFT) |
+ ((uint64_t)td_tag << I40E_TXD_QW1_L2TAG1_SHIFT));
+}
+
+/*
+ * check the programming status descriptor in rx queue.
+ * done after Programming Flow Director is programmed on
+ * tx queue
+ */
+static inline int
+i40e_check_fdir_programming_status(struct i40e_rx_queue *rxq)
+{
+ volatile union i40e_rx_desc *rxdp;
+ uint64_t qword1;
+ uint32_t rx_status;
+ uint32_t len, id;
+ uint32_t error;
+ int ret = 0;
+
+ rxdp = &rxq->rx_ring[rxq->rx_tail];
+ qword1 = rte_le_to_cpu_64(rxdp->wb.qword1.status_error_len);
+ rx_status = (qword1 & I40E_RXD_QW1_STATUS_MASK)
+ >> I40E_RXD_QW1_STATUS_SHIFT;
+
+ if (rx_status & (1 << I40E_RX_DESC_STATUS_DD_SHIFT)) {
+ len = qword1 >> I40E_RX_PROG_STATUS_DESC_LENGTH_SHIFT;
+ id = (qword1 & I40E_RX_PROG_STATUS_DESC_QW1_PROGID_MASK) >>
+ I40E_RX_PROG_STATUS_DESC_QW1_PROGID_SHIFT;
+
+ if (len == I40E_RX_PROG_STATUS_DESC_LENGTH &&
+ id == I40E_RX_PROG_STATUS_DESC_FD_FILTER_STATUS) {
+ error = (qword1 &
+ I40E_RX_PROG_STATUS_DESC_QW1_ERROR_MASK) >>
+ I40E_RX_PROG_STATUS_DESC_QW1_ERROR_SHIFT;
+ if (error == (0x1 <<
+ I40E_RX_PROG_STATUS_DESC_FD_TBL_FULL_SHIFT)) {
+ PMD_DRV_LOG(ERR, "Failed to add FDIR filter"
+ " (FD_ID %u): programming status"
+ " reported.",
+ rxdp->wb.qword0.hi_dword.fd_id);
+ ret = -1;
+ } else if (error == (0x1 <<
+ I40E_RX_PROG_STATUS_DESC_NO_FD_ENTRY_SHIFT)) {
+ PMD_DRV_LOG(ERR, "Failed to delete FDIR filter"
+ " (FD_ID %u): programming status"
+ " reported.",
+ rxdp->wb.qword0.hi_dword.fd_id);
+ ret = -1;
+ } else
+ PMD_DRV_LOG(ERR, "invalid programming status"
+ " reported, error = %u.", error);
+ } else
+ PMD_DRV_LOG(ERR, "unknown programming status"
+ " reported, len = %d, id = %u.", len, id);
+ rxdp->wb.qword1.status_error_len = 0;
+ rxq->rx_tail++;
+ if (unlikely(rxq->rx_tail == rxq->nb_rx_desc))
+ rxq->rx_tail = 0;
+ }
+ return ret;
+}
+
+/*
+ * i40e_add_del_fdir_filter - add or remove a flow director filter.
+ * @pf: board private structure
+ * @filter: fdir filter entry
+ * @add: 0 - delete, 1 - add
+ */
+static int
+i40e_add_del_fdir_filter(struct rte_eth_dev *dev,
+ const struct rte_eth_fdir_filter *filter,
+ bool add)
+{
+ struct i40e_pf *pf = I40E_DEV_PRIVATE_TO_PF(dev->data->dev_private);
+ unsigned char *pkt = (unsigned char *)pf->fdir.prg_pkt;
+ enum i40e_filter_pctype pctype;
+ int ret = 0;
+
+ if (dev->data->dev_conf.fdir_conf.mode != RTE_FDIR_MODE_PERFECT) {
+ PMD_DRV_LOG(ERR, "FDIR is not enabled, please"
+ " check the mode in fdir_conf.");
+ return -ENOTSUP;
+ }
+
+ if (!I40E_VALID_FLOW(filter->input.flow_type)) {
+ PMD_DRV_LOG(ERR, "invalid flow_type input.");
+ return -EINVAL;
+ }
+ if (filter->action.rx_queue >= pf->dev_data->nb_rx_queues) {
+ PMD_DRV_LOG(ERR, "Invalid queue ID");
+ return -EINVAL;
+ }
+ if (filter->input.flow_ext.is_vf &&
+ filter->input.flow_ext.dst_id >= pf->vf_num) {
+ PMD_DRV_LOG(ERR, "Invalid VF ID");
+ return -EINVAL;
+ }
+
+ memset(pkt, 0, I40E_FDIR_PKT_LEN);
+
+ ret = i40e_fdir_construct_pkt(pf, &filter->input, pkt);
+ if (ret < 0) {
+ PMD_DRV_LOG(ERR, "construct packet for fdir fails.");
+ return ret;
+ }
+ pctype = i40e_flowtype_to_pctype(filter->input.flow_type);
+ ret = i40e_fdir_filter_programming(pf, pctype, filter, add);
+ if (ret < 0) {
+ PMD_DRV_LOG(ERR, "fdir programming fails for PCTYPE(%u).",
+ pctype);
+ return ret;
+ }
+ return ret;
+}
+
+/*
+ * i40e_fdir_filter_programming - Program a flow director filter rule.
+ * Is done by Flow Director Programming Descriptor followed by packet
+ * structure that contains the filter fields need to match.
+ * @pf: board private structure
+ * @pctype: pctype
+ * @filter: fdir filter entry
+ * @add: 0 - delete, 1 - add
+ */
+static int
+i40e_fdir_filter_programming(struct i40e_pf *pf,
+ enum i40e_filter_pctype pctype,
+ const struct rte_eth_fdir_filter *filter,
+ bool add)
+{
+ struct i40e_tx_queue *txq = pf->fdir.txq;
+ struct i40e_rx_queue *rxq = pf->fdir.rxq;
+ const struct rte_eth_fdir_action *fdir_action = &filter->action;
+ volatile struct i40e_tx_desc *txdp;
+ volatile struct i40e_filter_program_desc *fdirdp;
+ uint32_t td_cmd;
+ uint16_t vsi_id, i;
+ uint8_t dest;
+
+ PMD_DRV_LOG(INFO, "filling filter programming descriptor.");
+ fdirdp = (volatile struct i40e_filter_program_desc *)
+ (&(txq->tx_ring[txq->tx_tail]));
+
+ fdirdp->qindex_flex_ptype_vsi =
+ rte_cpu_to_le_32((fdir_action->rx_queue <<
+ I40E_TXD_FLTR_QW0_QINDEX_SHIFT) &
+ I40E_TXD_FLTR_QW0_QINDEX_MASK);
+
+ fdirdp->qindex_flex_ptype_vsi |=
+ rte_cpu_to_le_32((fdir_action->flex_off <<
+ I40E_TXD_FLTR_QW0_FLEXOFF_SHIFT) &
+ I40E_TXD_FLTR_QW0_FLEXOFF_MASK);
+
+ fdirdp->qindex_flex_ptype_vsi |=
+ rte_cpu_to_le_32((pctype <<
+ I40E_TXD_FLTR_QW0_PCTYPE_SHIFT) &
+ I40E_TXD_FLTR_QW0_PCTYPE_MASK);
+
+ if (filter->input.flow_ext.is_vf)
+ vsi_id = pf->vfs[filter->input.flow_ext.dst_id].vsi->vsi_id;
+ else
+ /* Use LAN VSI Id by default */
+ vsi_id = pf->main_vsi->vsi_id;
+ fdirdp->qindex_flex_ptype_vsi |=
+ rte_cpu_to_le_32(((uint32_t)vsi_id <<
+ I40E_TXD_FLTR_QW0_DEST_VSI_SHIFT) &
+ I40E_TXD_FLTR_QW0_DEST_VSI_MASK);
+
+ fdirdp->dtype_cmd_cntindex =
+ rte_cpu_to_le_32(I40E_TX_DESC_DTYPE_FILTER_PROG);
+
+ if (add)
+ fdirdp->dtype_cmd_cntindex |= rte_cpu_to_le_32(
+ I40E_FILTER_PROGRAM_DESC_PCMD_ADD_UPDATE <<
+ I40E_TXD_FLTR_QW1_PCMD_SHIFT);
+ else
+ fdirdp->dtype_cmd_cntindex |= rte_cpu_to_le_32(
+ I40E_FILTER_PROGRAM_DESC_PCMD_REMOVE <<
+ I40E_TXD_FLTR_QW1_PCMD_SHIFT);
+
+ if (fdir_action->behavior == RTE_ETH_FDIR_REJECT)
+ dest = I40E_FILTER_PROGRAM_DESC_DEST_DROP_PACKET;
+ else if (fdir_action->behavior == RTE_ETH_FDIR_ACCEPT)
+ dest = I40E_FILTER_PROGRAM_DESC_DEST_DIRECT_PACKET_QINDEX;
+ else if (fdir_action->behavior == RTE_ETH_FDIR_PASSTHRU)
+ dest = I40E_FILTER_PROGRAM_DESC_DEST_DIRECT_PACKET_OTHER;
+ else {
+ PMD_DRV_LOG(ERR, "Failed to program FDIR filter:"
+ " unsupported fdir behavior.");
+ return -EINVAL;
+ }
+
+ fdirdp->dtype_cmd_cntindex |= rte_cpu_to_le_32((dest <<
+ I40E_TXD_FLTR_QW1_DEST_SHIFT) &
+ I40E_TXD_FLTR_QW1_DEST_MASK);
+
+ fdirdp->dtype_cmd_cntindex |=
+ rte_cpu_to_le_32((fdir_action->report_status<<
+ I40E_TXD_FLTR_QW1_FD_STATUS_SHIFT) &
+ I40E_TXD_FLTR_QW1_FD_STATUS_MASK);
+
+ fdirdp->dtype_cmd_cntindex |=
+ rte_cpu_to_le_32(I40E_TXD_FLTR_QW1_CNT_ENA_MASK);
+ fdirdp->dtype_cmd_cntindex |=
+ rte_cpu_to_le_32((pf->fdir.match_counter_index <<
+ I40E_TXD_FLTR_QW1_CNTINDEX_SHIFT) &
+ I40E_TXD_FLTR_QW1_CNTINDEX_MASK);
+
+ fdirdp->fd_id = rte_cpu_to_le_32(filter->soft_id);
+
+ PMD_DRV_LOG(INFO, "filling transmit descriptor.");
+ txdp = &(txq->tx_ring[txq->tx_tail + 1]);
+ txdp->buffer_addr = rte_cpu_to_le_64(pf->fdir.dma_addr);
+ td_cmd = I40E_TX_DESC_CMD_EOP |
+ I40E_TX_DESC_CMD_RS |
+ I40E_TX_DESC_CMD_DUMMY;
+
+ txdp->cmd_type_offset_bsz =
+ i40e_build_ctob(td_cmd, 0, I40E_FDIR_PKT_LEN, 0);
+
+ txq->tx_tail += 2; /* set 2 descriptors above, fdirdp and txdp */
+ if (txq->tx_tail >= txq->nb_tx_desc)
+ txq->tx_tail = 0;
+ /* Update the tx tail register */
+ rte_wmb();
+ I40E_PCI_REG_WRITE(txq->qtx_tail, txq->tx_tail);
+
+ for (i = 0; i < I40E_FDIR_WAIT_COUNT; i++) {
+ rte_delay_us(I40E_FDIR_WAIT_INTERVAL_US);
+ if ((txdp->cmd_type_offset_bsz &
+ rte_cpu_to_le_64(I40E_TXD_QW1_DTYPE_MASK)) ==
+ rte_cpu_to_le_64(I40E_TX_DESC_DTYPE_DESC_DONE))
+ break;
+ }
+ if (i >= I40E_FDIR_WAIT_COUNT) {
+ PMD_DRV_LOG(ERR, "Failed to program FDIR filter:"
+ " time out to get DD on tx queue.");
+ return -ETIMEDOUT;
+ }
+ /* totally delay 10 ms to check programming status*/
+ rte_delay_us((I40E_FDIR_WAIT_COUNT - i) * I40E_FDIR_WAIT_INTERVAL_US);
+ if (i40e_check_fdir_programming_status(rxq) < 0) {
+ PMD_DRV_LOG(ERR, "Failed to program FDIR filter:"
+ " programming status reported.");
+ return -ENOSYS;
+ }
+
+ return 0;
+}
+
+/*
+ * i40e_fdir_flush - clear all filters of Flow Director table
+ * @pf: board private structure
+ */
+static int
+i40e_fdir_flush(struct rte_eth_dev *dev)
+{
+ struct i40e_pf *pf = I40E_DEV_PRIVATE_TO_PF(dev->data->dev_private);
+ struct i40e_hw *hw = I40E_PF_TO_HW(pf);
+ uint32_t reg;
+ uint16_t guarant_cnt, best_cnt;
+ uint16_t i;
+
+ I40E_WRITE_REG(hw, I40E_PFQF_CTL_1, I40E_PFQF_CTL_1_CLEARFDTABLE_MASK);
+ I40E_WRITE_FLUSH(hw);
+
+ for (i = 0; i < I40E_FDIR_FLUSH_RETRY; i++) {
+ rte_delay_ms(I40E_FDIR_FLUSH_INTERVAL_MS);
+ reg = I40E_READ_REG(hw, I40E_PFQF_CTL_1);
+ if (!(reg & I40E_PFQF_CTL_1_CLEARFDTABLE_MASK))
+ break;
+ }
+ if (i >= I40E_FDIR_FLUSH_RETRY) {
+ PMD_DRV_LOG(ERR, "FD table did not flush, may need more time.");
+ return -ETIMEDOUT;
+ }
+ guarant_cnt = (uint16_t)((I40E_READ_REG(hw, I40E_PFQF_FDSTAT) &
+ I40E_PFQF_FDSTAT_GUARANT_CNT_MASK) >>
+ I40E_PFQF_FDSTAT_GUARANT_CNT_SHIFT);
+ best_cnt = (uint16_t)((I40E_READ_REG(hw, I40E_PFQF_FDSTAT) &
+ I40E_PFQF_FDSTAT_BEST_CNT_MASK) >>
+ I40E_PFQF_FDSTAT_BEST_CNT_SHIFT);
+ if (guarant_cnt != 0 || best_cnt != 0) {
+ PMD_DRV_LOG(ERR, "Failed to flush FD table.");
+ return -ENOSYS;
+ } else
+ PMD_DRV_LOG(INFO, "FD table Flush success.");
+ return 0;
+}
+
+static inline void
+i40e_fdir_info_get_flex_set(struct i40e_pf *pf,
+ struct rte_eth_flex_payload_cfg *flex_set,
+ uint16_t *num)
+{
+ struct i40e_fdir_flex_pit *flex_pit;
+ struct rte_eth_flex_payload_cfg *ptr = flex_set;
+ uint16_t src, dst, size, j, k;
+ uint8_t i, layer_idx;
+
+ for (layer_idx = I40E_FLXPLD_L2_IDX;
+ layer_idx <= I40E_FLXPLD_L4_IDX;
+ layer_idx++) {
+ if (layer_idx == I40E_FLXPLD_L2_IDX)
+ ptr->type = RTE_ETH_L2_PAYLOAD;
+ else if (layer_idx == I40E_FLXPLD_L3_IDX)
+ ptr->type = RTE_ETH_L3_PAYLOAD;
+ else if (layer_idx == I40E_FLXPLD_L4_IDX)
+ ptr->type = RTE_ETH_L4_PAYLOAD;
+
+ for (i = 0; i < I40E_MAX_FLXPLD_FIED; i++) {
+ flex_pit = &pf->fdir.flex_set[layer_idx *
+ I40E_MAX_FLXPLD_FIED + i];
+ if (flex_pit->size == 0)
+ continue;
+ src = flex_pit->src_offset * sizeof(uint16_t);
+ dst = flex_pit->dst_offset * sizeof(uint16_t);
+ size = flex_pit->size * sizeof(uint16_t);
+ for (j = src, k = dst; j < src + size; j++, k++)
+ ptr->src_offset[k] = j;
+ }
+ (*num)++;
+ ptr++;
+ }
+}
+
+static inline void
+i40e_fdir_info_get_flex_mask(struct i40e_pf *pf,
+ struct rte_eth_fdir_flex_mask *flex_mask,
+ uint16_t *num)
+{
+ struct i40e_fdir_flex_mask *mask;
+ struct rte_eth_fdir_flex_mask *ptr = flex_mask;
+ uint16_t flow_type;
+ uint8_t i, j;
+ uint16_t off_bytes, mask_tmp;
+
+ for (i = I40E_FILTER_PCTYPE_NONF_IPV4_UDP;
+ i <= I40E_FILTER_PCTYPE_L2_PAYLOAD;
+ i++) {
+ mask = &pf->fdir.flex_mask[i];
+ if (!I40E_VALID_PCTYPE((enum i40e_filter_pctype)i))
+ continue;
+ flow_type = i40e_pctype_to_flowtype((enum i40e_filter_pctype)i);
+ for (j = 0; j < I40E_FDIR_MAX_FLEXWORD_NUM; j++) {
+ if (mask->word_mask & I40E_FLEX_WORD_MASK(j)) {
+ ptr->mask[j * sizeof(uint16_t)] = UINT8_MAX;
+ ptr->mask[j * sizeof(uint16_t) + 1] = UINT8_MAX;
+ } else {
+ ptr->mask[j * sizeof(uint16_t)] = 0x0;
+ ptr->mask[j * sizeof(uint16_t) + 1] = 0x0;
+ }
+ }
+ for (j = 0; j < I40E_FDIR_BITMASK_NUM_WORD; j++) {
+ off_bytes = mask->bitmask[j].offset * sizeof(uint16_t);
+ mask_tmp = ~mask->bitmask[j].mask;
+ ptr->mask[off_bytes] &= I40E_HI_BYTE(mask_tmp);
+ ptr->mask[off_bytes + 1] &= I40E_LO_BYTE(mask_tmp);
+ }
+ ptr->flow_type = flow_type;
+ ptr++;
+ (*num)++;
+ }
+}
+
+/*
+ * i40e_fdir_info_get - get information of Flow Director
+ * @pf: ethernet device to get info from
+ * @fdir: a pointer to a structure of type *rte_eth_fdir_info* to be filled with
+ * the flow director information.
+ */
+static void
+i40e_fdir_info_get(struct rte_eth_dev *dev, struct rte_eth_fdir_info *fdir)
+{
+ struct i40e_pf *pf = I40E_DEV_PRIVATE_TO_PF(dev->data->dev_private);
+ struct i40e_hw *hw = I40E_PF_TO_HW(pf);
+ uint16_t num_flex_set = 0;
+ uint16_t num_flex_mask = 0;
+
+ if (dev->data->dev_conf.fdir_conf.mode == RTE_FDIR_MODE_PERFECT)
+ fdir->mode = RTE_FDIR_MODE_PERFECT;
+ else
+ fdir->mode = RTE_FDIR_MODE_NONE;
+
+ fdir->guarant_spc =
+ (uint32_t)hw->func_caps.fd_filters_guaranteed;
+ fdir->best_spc =
+ (uint32_t)hw->func_caps.fd_filters_best_effort;
+ fdir->max_flexpayload = I40E_FDIR_MAX_FLEX_LEN;
+ fdir->flow_types_mask[0] = I40E_FDIR_FLOWS;
+ fdir->flex_payload_unit = sizeof(uint16_t);
+ fdir->flex_bitmask_unit = sizeof(uint16_t);
+ fdir->max_flex_payload_segment_num = I40E_MAX_FLXPLD_FIED;
+ fdir->flex_payload_limit = I40E_MAX_FLX_SOURCE_OFF;
+ fdir->max_flex_bitmask_num = I40E_FDIR_BITMASK_NUM_WORD;
+
+ i40e_fdir_info_get_flex_set(pf,
+ fdir->flex_conf.flex_set,
+ &num_flex_set);
+ i40e_fdir_info_get_flex_mask(pf,
+ fdir->flex_conf.flex_mask,
+ &num_flex_mask);
+
+ fdir->flex_conf.nb_payloads = num_flex_set;
+ fdir->flex_conf.nb_flexmasks = num_flex_mask;
+}
+
+/*
+ * i40e_fdir_stat_get - get statistics of Flow Director
+ * @pf: ethernet device to get info from
+ * @stat: a pointer to a structure of type *rte_eth_fdir_stats* to be filled with
+ * the flow director statistics.
+ */
+static void
+i40e_fdir_stats_get(struct rte_eth_dev *dev, struct rte_eth_fdir_stats *stat)
+{
+ struct i40e_pf *pf = I40E_DEV_PRIVATE_TO_PF(dev->data->dev_private);
+ struct i40e_hw *hw = I40E_PF_TO_HW(pf);
+ uint32_t fdstat;
+
+ fdstat = I40E_READ_REG(hw, I40E_PFQF_FDSTAT);
+ stat->guarant_cnt =
+ (uint32_t)((fdstat & I40E_PFQF_FDSTAT_GUARANT_CNT_MASK) >>
+ I40E_PFQF_FDSTAT_GUARANT_CNT_SHIFT);
+ stat->best_cnt =
+ (uint32_t)((fdstat & I40E_PFQF_FDSTAT_BEST_CNT_MASK) >>
+ I40E_PFQF_FDSTAT_BEST_CNT_SHIFT);
+}
+
+static int
+i40e_fdir_filter_set(struct rte_eth_dev *dev,
+ struct rte_eth_fdir_filter_info *info)
+{
+ struct i40e_pf *pf = I40E_DEV_PRIVATE_TO_PF(dev->data->dev_private);
+ int ret = 0;
+
+ if (!info) {
+ PMD_DRV_LOG(ERR, "Invalid pointer");
+ return -EFAULT;
+ }
+
+ switch (info->info_type) {
+ case RTE_ETH_FDIR_FILTER_INPUT_SET_SELECT:
+ ret = i40e_fdir_filter_inset_select(pf,
+ &(info->info.input_set_conf));
+ break;
+ default:
+ PMD_DRV_LOG(ERR, "FD filter info type (%d) not supported",
+ info->info_type);
+ return -EINVAL;
+ }
+
+ return ret;
+}
+
+/*
+ * i40e_fdir_ctrl_func - deal with all operations on flow director.
+ * @pf: board private structure
+ * @filter_op:operation will be taken.
+ * @arg: a pointer to specific structure corresponding to the filter_op
+ */
+int
+i40e_fdir_ctrl_func(struct rte_eth_dev *dev,
+ enum rte_filter_op filter_op,
+ void *arg)
+{
+ struct i40e_pf *pf = I40E_DEV_PRIVATE_TO_PF(dev->data->dev_private);
+ int ret = 0;
+
+ if ((pf->flags & I40E_FLAG_FDIR) == 0)
+ return -ENOTSUP;
+
+ if (filter_op == RTE_ETH_FILTER_NOP)
+ return 0;
+
+ if (arg == NULL && filter_op != RTE_ETH_FILTER_FLUSH)
+ return -EINVAL;
+
+ switch (filter_op) {
+ case RTE_ETH_FILTER_ADD:
+ ret = i40e_add_del_fdir_filter(dev,
+ (struct rte_eth_fdir_filter *)arg,
+ TRUE);
+ break;
+ case RTE_ETH_FILTER_DELETE:
+ ret = i40e_add_del_fdir_filter(dev,
+ (struct rte_eth_fdir_filter *)arg,
+ FALSE);
+ break;
+ case RTE_ETH_FILTER_FLUSH:
+ ret = i40e_fdir_flush(dev);
+ break;
+ case RTE_ETH_FILTER_INFO:
+ i40e_fdir_info_get(dev, (struct rte_eth_fdir_info *)arg);
+ break;
+ case RTE_ETH_FILTER_SET:
+ ret = i40e_fdir_filter_set(dev,
+ (struct rte_eth_fdir_filter_info *)arg);
+ break;
+ case RTE_ETH_FILTER_STATS:
+ i40e_fdir_stats_get(dev, (struct rte_eth_fdir_stats *)arg);
+ break;
+ default:
+ PMD_DRV_LOG(ERR, "unknown operation %u.", filter_op);
+ ret = -EINVAL;
+ break;
+ }
+ return ret;
+}
Code Review / deb_dpdk.git / blobdiff