[dpdk-dev] [PATCH v2] net/ice: enable advanced RSS
Su, Simei
simei.su at intel.com
Mon Sep 16 03:47:01 CEST 2019
Hi, xiaolong
> -----Original Message-----
> From: Ye, Xiaolong
> Sent: Friday, September 13, 2019 12:19 AM
> To: Su, Simei <simei.su at intel.com>
> Cc: Zhang, Qi Z <qi.z.zhang at intel.com>; Yang, Qiming <qiming.yang at intel.com>;
> Xing, Beilei <beilei.xing at intel.com>; dev at dpdk.org; Yigit, Ferruh
> <ferruh.yigit at intel.com>
> Subject: Re: [PATCH v2] net/ice: enable advanced RSS
>
> On 09/09, Simei Su wrote:
> >This patch supports the following features:
> > (1)inner header hash for tunnel packets, including comms package.
> > (2)symmetric hash by rte_flow RSS action.
> > (3)input set change by rte_flow RSS action.
> >
> >Signed-off-by: Simei Su <simei.su at intel.com>
> >---
> >This patch depends on the following patches on patchwork:
> > (1)https://patchwork.dpdk.org/patch/58546/
> > [2/4] net/ice: rework for generic flow enabling
> > (2)https://patchwork.dpdk.org/patch/57137/
> > [v2,1/2] ethdev: add symmetric toeplitz hash support
> > (3)https://patchwork.dpdk.org/patch/57138/
> > [v2,2/2] app/testpmd: add symmetric toeplitz hash support
> > (4)https://patchwork.dpdk.org/patch/57601/
> > [1/2] ethdev: extend RSS offload types
> > (5)https://patchwork.dpdk.org/patch/57602/
> > [2/2] app/testpmd: add RSS offload types extending support
> >
> > drivers/net/ice/ice_ethdev.c | 7 +
> > drivers/net/ice/ice_hash.c | 548
> +++++++++++++++++++++++++++++++++++++++++++
> > 2 files changed, 555 insertions(+)
> > create mode 100644 drivers/net/ice/ice_hash.c
> >
> >diff --git a/drivers/net/ice/ice_ethdev.c
> >b/drivers/net/ice/ice_ethdev.c index f5cc647..3766a32 100644
> >--- a/drivers/net/ice/ice_ethdev.c
> >+++ b/drivers/net/ice/ice_ethdev.c
> >@@ -1874,6 +1874,7 @@ static int ice_init_rss(struct ice_pf *pf)
> > uint16_t i, nb_q;
> > int ret = 0;
> > bool is_safe_mode = pf->adapter->is_safe_mode;
> >+ uint32_t reg;
> >
> > rss_conf = &dev->data->dev_conf.rx_adv_conf.rss_conf;
> > nb_q = dev->data->nb_rx_queues;
> >@@ -1917,6 +1918,12 @@ static int ice_init_rss(struct ice_pf *pf)
> > if (ret)
> > return -EINVAL;
> >
> >+ /* Enable registers for symmetric_toeplitz function. */
> >+ reg = ICE_READ_REG(hw, VSIQF_HASH_CTL(vsi->vsi_id));
> >+ reg = (reg & (~VSIQF_HASH_CTL_HASH_SCHEME_M)) |
> >+ (1 << VSIQF_HASH_CTL_HASH_SCHEME_S);
> >+ ICE_WRITE_REG(hw, VSIQF_HASH_CTL(vsi->vsi_id), reg);
> >+
> > /* configure RSS for IPv4 with input set IPv4 src/dst */
> > ret = ice_add_rss_cfg(hw, vsi->idx, ICE_FLOW_HASH_IPV4,
> > ICE_FLOW_SEG_HDR_IPV4, 0);
> >diff --git a/drivers/net/ice/ice_hash.c b/drivers/net/ice/ice_hash.c
> >new file mode 100644 index 0000000..fbd7cd7
> >--- /dev/null
> >+++ b/drivers/net/ice/ice_hash.c
> >@@ -0,0 +1,548 @@
> >+/* SPDX-License-Identifier: BSD-3-Clause
> >+ * Copyright(c) 2019 Intel Corporation */
> >+
> >+#include <sys/queue.h>
> >+#include <stdio.h>
> >+#include <errno.h>
> >+#include <stdint.h>
> >+#include <string.h>
> >+#include <unistd.h>
> >+#include <stdarg.h>
> >+
> >+#include <rte_debug.h>
> >+#include <rte_ether.h>
> >+#include <rte_ethdev_driver.h>
> >+#include <rte_log.h>
> >+#include <rte_malloc.h>
> >+#include <rte_eth_ctrl.h>
> >+#include <rte_tailq.h>
> >+#include <rte_flow_driver.h>
> >+
> >+#include "ice_logs.h"
> >+#include "base/ice_type.h"
> >+#include "base/ice_flow.h"
> >+#include "ice_ethdev.h"
> >+#include "ice_generic_flow.h"
> >+
> >+#define ICE_ACTION_RSS_MAX_QUEUE_NUM 32
> >+
> >+static struct ice_pattern_match_item ice_hash_pattern_list_os[];
> >+static struct ice_pattern_match_item ice_hash_pattern_list_comms[];
>
> Above two forward declaration seems unnecessary.
>
Yes, the two declaration is unnecessary, thanks for your reminder.
> >+
> >+struct rss_type_match_hdr {
> >+ uint32_t hdr_mask;
> >+ uint64_t eth_rss_hint;
> >+};
> >+
> >+struct ice_hash_match_type {
> >+ uint64_t hash_type;
> >+ uint64_t hash_flds;
> >+};
> >+
> >+struct rss_meta {
> >+ uint32_t pkt_hdr;
> >+ uint64_t hash_flds;
> >+ uint8_t hash_function;
> >+};
> >+
> >+static int
> >+ice_hash_init(struct ice_adapter *ad);
> >+
> >+static int
> >+ice_hash_create(struct ice_adapter *ad,
> >+ struct rte_flow *flow,
> >+ void *meta,
> >+ struct rte_flow_error *error);
> >+
> >+static int
> >+ice_hash_destroy(struct ice_adapter *ad,
> >+ struct rte_flow *flow,
> >+ struct rte_flow_error *error);
> >+
> >+static void
> >+ice_hash_uninit(struct ice_adapter *ad);
> >+
> >+static void
> >+ice_hash_free(struct rte_flow *flow);
> >+
> >+static int
> >+ice_hash_parse_pattern_action(struct ice_adapter *ad,
> >+ struct ice_pattern_match_item *array,
> >+ uint32_t array_len,
> >+ const struct rte_flow_item pattern[],
> >+ const struct rte_flow_action actions[],
> >+ void **meta,
> >+ struct rte_flow_error *error);
> >+
> >+/* The first member is protocol header, the second member is
> >+ETH_RSS_*. */ const struct rss_type_match_hdr hint_0 = {
> >+ ICE_FLOW_SEG_HDR_NONE, 0};
> >+const struct rss_type_match_hdr hint_1 = {
> >+ ICE_FLOW_SEG_HDR_IPV4, ETH_RSS_IPV4};
> >+const struct rss_type_match_hdr hint_2 = {
> >+ ICE_FLOW_SEG_HDR_IPV4|ICE_FLOW_SEG_HDR_UDP,
> >+ETH_RSS_NONFRAG_IPV4_UDP}; const struct rss_type_match_hdr hint_3 = {
> >+ ICE_FLOW_SEG_HDR_IPV4|ICE_FLOW_SEG_HDR_TCP,
> >+ETH_RSS_NONFRAG_IPV4_TCP}; const struct rss_type_match_hdr hint_4 = {
> >+ ICE_FLOW_SEG_HDR_IPV4|ICE_FLOW_SEG_HDR_SCTP,
> >+ETH_RSS_NONFRAG_IPV4_SCTP}; const struct rss_type_match_hdr hint_5 = {
> >+ ICE_FLOW_SEG_HDR_IPV6, ETH_RSS_IPV6};
> >+const struct rss_type_match_hdr hint_6 = {
> >+ ICE_FLOW_SEG_HDR_IPV6|ICE_FLOW_SEG_HDR_UDP,
> >+ETH_RSS_NONFRAG_IPV6_UDP}; const struct rss_type_match_hdr hint_7 = {
> >+ ICE_FLOW_SEG_HDR_IPV6|ICE_FLOW_SEG_HDR_TCP,
> >+ETH_RSS_NONFRAG_IPV6_TCP}; const struct rss_type_match_hdr hint_8 = {
> >+ ICE_FLOW_SEG_HDR_IPV6|ICE_FLOW_SEG_HDR_SCTP,
> >+ETH_RSS_NONFRAG_IPV6_SCTP}; const struct rss_type_match_hdr hint_9 = {
> >+ ICE_FLOW_SEG_HDR_GTPU_IP, ETH_RSS_IPV4};
> >+const struct rss_type_match_hdr hint_10 = {
> >+ ICE_FLOW_SEG_HDR_PPPOE, ETH_RSS_IPV4};
> >+const struct rss_type_match_hdr hint_11 = {
> >+ ICE_FLOW_SEG_HDR_PPPOE, ETH_RSS_NONFRAG_IPV4_UDP};
> >+const struct rss_type_match_hdr hint_12 = {
> >+ ICE_FLOW_SEG_HDR_PPPOE, ETH_RSS_NONFRAG_IPV4_TCP};
> >+const struct rss_type_match_hdr hint_13 = {
> >+ ICE_FLOW_SEG_HDR_PPPOE, ETH_RSS_NONFRAG_IPV4_SCTP};
> >+
> >+/* Supported pattern for os default package. */ static struct
> >+ice_pattern_match_item ice_hash_pattern_list_os[] = {
> >+ {pattern_eth_ipv4, ICE_INSET_NONE, (uint64_t)(&hint_1)},
> >+ {pattern_eth_ipv4_udp, ICE_INSET_NONE, (uint64_t)(&hint_2)},
> >+ {pattern_eth_ipv4_tcp, ICE_INSET_NONE, (uint64_t)(&hint_3)},
> >+ {pattern_eth_ipv4_sctp, ICE_INSET_NONE, (uint64_t)(&hint_4)},
> >+ {pattern_eth_ipv6, ICE_INSET_NONE, (uint64_t)(&hint_5)},
> >+ {pattern_eth_ipv6_udp, ICE_INSET_NONE, (uint64_t)(&hint_6)},
> >+ {pattern_eth_ipv6_tcp, ICE_INSET_NONE, (uint64_t)(&hint_7)},
> >+ {pattern_eth_ipv6_sctp, ICE_INSET_NONE, (uint64_t)(&hint_8)},
> >+ {pattern_empty, ICE_INSET_NONE, (uint64_t)(&hint_0)},
> >+};
> >+
> >+/* Supported pattern for comms package. */ static struct
> >+ice_pattern_match_item ice_hash_pattern_list_comms[] = {
> >+ {pattern_eth_ipv4, ICE_INSET_NONE, (uint64_t)(&hint_1)},
> >+ {pattern_eth_ipv4_udp, ICE_INSET_NONE, (uint64_t)(&hint_2)},
> >+ {pattern_eth_ipv4_tcp, ICE_INSET_NONE, (uint64_t)(&hint_3)},
> >+ {pattern_eth_ipv4_sctp, ICE_INSET_NONE, (uint64_t)(&hint_4)},
> >+ {pattern_eth_ipv6, ICE_INSET_NONE, (uint64_t)(&hint_5)},
> >+ {pattern_eth_ipv6_udp, ICE_INSET_NONE, (uint64_t)(&hint_6)},
> >+ {pattern_eth_ipv6_tcp, ICE_INSET_NONE, (uint64_t)(&hint_7)},
> >+ {pattern_eth_ipv6_sctp, ICE_INSET_NONE, (uint64_t)(&hint_8)},
> >+ {pattern_empty, ICE_INSET_NONE, (uint64_t)(&hint_0)},
> >+ {pattern_eth_ipv4_gtpu_ipv4, ICE_INSET_NONE,
> (uint64_t)(&hint_9)},
> >+ {pattern_eth_ipv4_gtpu_ipv4_udp, ICE_INSET_NONE,
> (uint64_t)(&hint_9)},
> >+ {pattern_eth_ipv4_gtpu_ipv4_tcp, ICE_INSET_NONE,
> (uint64_t)(&hint_9)},
> >+ {pattern_eth_pppoes_ipv4, ICE_INSET_NONE, (uint64_t)(&hint_10)},
> >+ {pattern_eth_pppoes_ipv4_udp, ICE_INSET_NONE,
> (uint64_t)(&hint_11)},
> >+ {pattern_eth_pppoes_ipv4_tcp, ICE_INSET_NONE,
> (uint64_t)(&hint_12)},
> >+ {pattern_eth_pppoes_ipv4_sctp, ICE_INSET_NONE,
> (uint64_t)(&hint_13)},
> >+};
> >+
> >+/**
> >+ * The first member is input set combination,
> >+ * the second member is hash fields.
> >+ */
> >+struct ice_hash_match_type ice_hash_type_list[] = {
> >+ {ETH_RSS_IPV4|ETH_RSS_L3_SRC_ONLY,
> BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_SA)},
> >+ {ETH_RSS_IPV4|ETH_RSS_L3_DST_ONLY,
> BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_DA)},
> >+ {ETH_RSS_IPV4,
> ICE_FLOW_HASH_IPV4},
> >+
> {ETH_RSS_NONFRAG_IPV4_UDP|ETH_RSS_L3_SRC_ONLY|ETH_RSS_L4_S
> RC_ONLY,
> BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_SA)|BIT_ULL(ICE_FLOW_FIELD_IDX
> _UDP_SRC_PORT)},
> >+
> {ETH_RSS_NONFRAG_IPV4_UDP|ETH_RSS_L3_SRC_ONLY|ETH_RSS_L4_D
> ST_ONLY,
> BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_SA)|BIT_ULL(ICE_FLOW_FIELD_IDX
> _UDP_DST_PORT)},
> >+ {ETH_RSS_NONFRAG_IPV4_UDP|ETH_RSS_L3_SRC_ONLY,
> BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_SA)|ICE_FLOW_HASH_UDP_PORT},
> >+
> {ETH_RSS_NONFRAG_IPV4_UDP|ETH_RSS_L3_DST_ONLY|ETH_RSS_L4_S
> RC_ONLY,
> BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_DA)|BIT_ULL(ICE_FLOW_FIELD_IDX
> _UDP_SRC_PORT)},
> >+
> {ETH_RSS_NONFRAG_IPV4_UDP|ETH_RSS_L3_DST_ONLY|ETH_RSS_L4_D
> ST_ONLY,
> BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_DA)|BIT_ULL(ICE_FLOW_FIELD_IDX
> _UDP_DST_PORT)},
> >+ {ETH_RSS_NONFRAG_IPV4_UDP|ETH_RSS_L3_DST_ONLY,
> BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_DA)|ICE_FLOW_HASH_UDP_PORT},
> >+ {ETH_RSS_NONFRAG_IPV4_UDP|ETH_RSS_L4_SRC_ONLY,
> ICE_FLOW_HASH_IPV4|BIT_ULL(ICE_FLOW_FIELD_IDX_UDP_SRC_PORT)}
> ,
> >+ {ETH_RSS_NONFRAG_IPV4_UDP|ETH_RSS_L4_DST_ONLY,
> ICE_FLOW_HASH_IPV4|BIT_ULL(ICE_FLOW_FIELD_IDX_UDP_DST_PORT)}
> ,
> >+ {ETH_RSS_NONFRAG_IPV4_UDP,
> ICE_HASH_UDP_IPV4},
> >+
> {ETH_RSS_NONFRAG_IPV4_TCP|ETH_RSS_L3_SRC_ONLY|ETH_RSS_L4_SR
> C_ONLY,
> BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_SA)|BIT_ULL(ICE_FLOW_FIELD_IDX
> _TCP_SRC_PORT)},
> >+
> {ETH_RSS_NONFRAG_IPV4_TCP|ETH_RSS_L3_SRC_ONLY|ETH_RSS_L4_DS
> T_ONLY,
> BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_SA)|BIT_ULL(ICE_FLOW_FIELD_IDX
> _TCP_DST_PORT)},
> >+ {ETH_RSS_NONFRAG_IPV4_TCP|ETH_RSS_L3_SRC_ONLY,
> BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_SA)|ICE_FLOW_HASH_TCP_PORT},
> >+
> {ETH_RSS_NONFRAG_IPV4_TCP|ETH_RSS_L3_DST_ONLY|ETH_RSS_L4_SR
> C_ONLY,
> BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_DA)|BIT_ULL(ICE_FLOW_FIELD_IDX
> _TCP_SRC_PORT)},
> >+
> {ETH_RSS_NONFRAG_IPV4_TCP|ETH_RSS_L3_DST_ONLY|ETH_RSS_L4_D
> ST_ONLY,
> BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_DA)|BIT_ULL(ICE_FLOW_FIELD_IDX
> _TCP_DST_PORT)},
> >+ {ETH_RSS_NONFRAG_IPV4_TCP|ETH_RSS_L3_DST_ONLY,
> BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_DA)|ICE_FLOW_HASH_TCP_PORT},
> >+ {ETH_RSS_NONFRAG_IPV4_TCP|ETH_RSS_L4_SRC_ONLY,
> ICE_FLOW_HASH_IPV4|BIT_ULL(ICE_FLOW_FIELD_IDX_TCP_SRC_PORT)},
> >+ {ETH_RSS_NONFRAG_IPV4_TCP|ETH_RSS_L4_DST_ONLY,
> ICE_FLOW_HASH_IPV4|BIT_ULL(ICE_FLOW_FIELD_IDX_TCP_DST_PORT)},
> >+ {ETH_RSS_NONFRAG_IPV4_TCP,
> ICE_HASH_TCP_IPV4},
> >+
> {ETH_RSS_NONFRAG_IPV4_SCTP|ETH_RSS_L3_SRC_ONLY|ETH_RSS_L4_S
> RC_ONLY,
> BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_SA)|BIT_ULL(ICE_FLOW_FIELD_IDX
> _SCTP_SRC_PORT)},
> >+
> {ETH_RSS_NONFRAG_IPV4_SCTP|ETH_RSS_L3_SRC_ONLY|ETH_RSS_L4_D
> ST_ONLY,
> BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_SA)|BIT_ULL(ICE_FLOW_FIELD_IDX
> _SCTP_DST_PORT)},
> >+ {ETH_RSS_NONFRAG_IPV4_SCTP|ETH_RSS_L3_SRC_ONLY,
> BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_SA)|ICE_FLOW_HASH_SCTP_PORT},
> >+
> {ETH_RSS_NONFRAG_IPV4_SCTP|ETH_RSS_L3_DST_ONLY|ETH_RSS_L4_S
> RC_ONLY,
> BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_DA)|BIT_ULL(ICE_FLOW_FIELD_IDX
> _SCTP_SRC_PORT)},
> >+
> {ETH_RSS_NONFRAG_IPV4_SCTP|ETH_RSS_L3_DST_ONLY|ETH_RSS_L4_
> DST_ONLY,
> BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_DA)|BIT_ULL(ICE_FLOW_FIELD_IDX
> _SCTP_DST_PORT)},
> >+ {ETH_RSS_NONFRAG_IPV4_SCTP|ETH_RSS_L3_DST_ONLY,
> BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_DA)|ICE_FLOW_HASH_SCTP_PORT}
> ,
> >+ {ETH_RSS_NONFRAG_IPV4_SCTP|ETH_RSS_L4_SRC_ONLY,
> ICE_FLOW_HASH_IPV4|BIT_ULL(ICE_FLOW_FIELD_IDX_SCTP_SRC_PORT)
> },
> >+ {ETH_RSS_NONFRAG_IPV4_SCTP|ETH_RSS_L4_DST_ONLY,
> ICE_FLOW_HASH_IPV4|BIT_ULL(ICE_FLOW_FIELD_IDX_SCTP_DST_PORT)
> },
> >+ {ETH_RSS_NONFRAG_IPV4_SCTP,
> ICE_HASH_SCTP_IPV4},
> >+ {ETH_RSS_IPV6|ETH_RSS_L3_SRC_ONLY,
> BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_SA)},
> >+ {ETH_RSS_IPV6|ETH_RSS_L3_DST_ONLY,
> BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_DA)},
> >+ {ETH_RSS_IPV6,
> ICE_FLOW_HASH_IPV6},
> >+
> {ETH_RSS_NONFRAG_IPV6_UDP|ETH_RSS_L3_SRC_ONLY|ETH_RSS_L4_S
> RC_ONLY,
> BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_SA)|BIT_ULL(ICE_FLOW_FIELD_IDX
> _UDP_SRC_PORT)},
> >+
> {ETH_RSS_NONFRAG_IPV6_UDP|ETH_RSS_L3_SRC_ONLY|ETH_RSS_L4_D
> ST_ONLY,
> BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_SA)|BIT_ULL(ICE_FLOW_FIELD_IDX
> _UDP_DST_PORT)},
> >+ {ETH_RSS_NONFRAG_IPV6_UDP|ETH_RSS_L3_SRC_ONLY,
> BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_SA)|ICE_FLOW_HASH_UDP_PORT},
> >+
> {ETH_RSS_NONFRAG_IPV6_UDP|ETH_RSS_L3_DST_ONLY|ETH_RSS_L4_S
> RC_ONLY,
> BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_DA)|BIT_ULL(ICE_FLOW_FIELD_IDX
> _UDP_SRC_PORT)},
> >+
> {ETH_RSS_NONFRAG_IPV6_UDP|ETH_RSS_L3_DST_ONLY|ETH_RSS_L4_D
> ST_ONLY,
> BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_DA)|BIT_ULL(ICE_FLOW_FIELD_IDX
> _UDP_DST_PORT)},
> >+ {ETH_RSS_NONFRAG_IPV6_UDP|ETH_RSS_L3_DST_ONLY,
> BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_DA)|ICE_FLOW_HASH_UDP_PORT},
> >+ {ETH_RSS_NONFRAG_IPV6_UDP|ETH_RSS_L4_SRC_ONLY,
> ICE_FLOW_HASH_IPV6|BIT_ULL(ICE_FLOW_FIELD_IDX_UDP_SRC_PORT)}
> ,
> >+ {ETH_RSS_NONFRAG_IPV6_UDP|ETH_RSS_L4_DST_ONLY,
> ICE_FLOW_HASH_IPV6|BIT_ULL(ICE_FLOW_FIELD_IDX_UDP_DST_PORT)}
> ,
> >+ {ETH_RSS_NONFRAG_IPV6_UDP,
> ICE_HASH_UDP_IPV6},
> >+
> {ETH_RSS_NONFRAG_IPV6_TCP|ETH_RSS_L3_SRC_ONLY|ETH_RSS_L4_SR
> C_ONLY,
> BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_SA)|BIT_ULL(ICE_FLOW_FIELD_IDX
> _TCP_SRC_PORT)},
> >+
> {ETH_RSS_NONFRAG_IPV6_TCP|ETH_RSS_L3_SRC_ONLY|ETH_RSS_L4_DS
> T_ONLY,
> BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_SA)|BIT_ULL(ICE_FLOW_FIELD_IDX
> _TCP_DST_PORT)},
> >+ {ETH_RSS_NONFRAG_IPV6_TCP|ETH_RSS_L3_SRC_ONLY,
> BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_SA)|ICE_FLOW_HASH_TCP_PORT},
> >+
> {ETH_RSS_NONFRAG_IPV6_TCP|ETH_RSS_L3_DST_ONLY|ETH_RSS_L4_SR
> C_ONLY,
> BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_DA)|BIT_ULL(ICE_FLOW_FIELD_IDX
> _TCP_SRC_PORT)},
> >+
> {ETH_RSS_NONFRAG_IPV6_TCP|ETH_RSS_L3_DST_ONLY|ETH_RSS_L4_D
> ST_ONLY,
> BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_DA)|BIT_ULL(ICE_FLOW_FIELD_IDX
> _TCP_DST_PORT)},
> >+ {ETH_RSS_NONFRAG_IPV6_TCP|ETH_RSS_L3_DST_ONLY,
> BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_DA)|ICE_FLOW_HASH_TCP_PORT},
> >+ {ETH_RSS_NONFRAG_IPV6_TCP|ETH_RSS_L4_SRC_ONLY,
> ICE_FLOW_HASH_IPV6|BIT_ULL(ICE_FLOW_FIELD_IDX_TCP_SRC_PORT)},
> >+ {ETH_RSS_NONFRAG_IPV6_TCP|ETH_RSS_L4_DST_ONLY,
> ICE_FLOW_HASH_IPV6|BIT_ULL(ICE_FLOW_FIELD_IDX_TCP_DST_PORT)},
> >+ {ETH_RSS_NONFRAG_IPV6_TCP,
> ICE_HASH_TCP_IPV6},
> >+
> {ETH_RSS_NONFRAG_IPV6_SCTP|ETH_RSS_L3_SRC_ONLY|ETH_RSS_L4_S
> RC_ONLY,
> BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_SA)|BIT_ULL(ICE_FLOW_FIELD_IDX
> _SCTP_SRC_PORT)},
> >+
> {ETH_RSS_NONFRAG_IPV6_SCTP|ETH_RSS_L3_SRC_ONLY|ETH_RSS_L4_D
> ST_ONLY,
> BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_SA)|BIT_ULL(ICE_FLOW_FIELD_IDX
> _SCTP_DST_PORT)},
> >+ {ETH_RSS_NONFRAG_IPV6_SCTP|ETH_RSS_L3_SRC_ONLY,
> BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_SA)|ICE_FLOW_HASH_SCTP_PORT},
> >+
> {ETH_RSS_NONFRAG_IPV6_SCTP|ETH_RSS_L3_DST_ONLY|ETH_RSS_L4_S
> RC_ONLY,
> BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_DA)|BIT_ULL(ICE_FLOW_FIELD_IDX
> _SCTP_SRC_PORT)},
> >+
> {ETH_RSS_NONFRAG_IPV6_SCTP|ETH_RSS_L3_DST_ONLY|ETH_RSS_L4_
> DST_ONLY,
> BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_DA)|BIT_ULL(ICE_FLOW_FIELD_IDX
> _SCTP_DST_PORT)},
> >+ {ETH_RSS_NONFRAG_IPV6_SCTP|ETH_RSS_L3_DST_ONLY,
> BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_DA)|ICE_FLOW_HASH_SCTP_PORT}
> ,
> >+ {ETH_RSS_NONFRAG_IPV6_SCTP|ETH_RSS_L4_SRC_ONLY,
> ICE_FLOW_HASH_IPV6|BIT_ULL(ICE_FLOW_FIELD_IDX_SCTP_SRC_PORT)
> },
> >+ {ETH_RSS_NONFRAG_IPV6_SCTP|ETH_RSS_L4_DST_ONLY,
> ICE_FLOW_HASH_IPV6|BIT_ULL(ICE_FLOW_FIELD_IDX_SCTP_DST_PORT)
> },
> >+ {ETH_RSS_NONFRAG_IPV6_SCTP,
> ICE_HASH_SCTP_IPV6},
> >+};
> >+
> >+static struct ice_flow_engine ice_hash_engine = {
> >+ .init = ice_hash_init,
> >+ .create = ice_hash_create,
> >+ .destroy = ice_hash_destroy,
> >+ .uninit = ice_hash_uninit,
> >+ .free = ice_hash_free,
> >+ .type = ICE_FLOW_ENGINE_HASH,
> >+};
> >+
> >+/* Register parser for os package. */
> >+static struct ice_flow_parser ice_hash_parser_os = {
> >+ .engine = &ice_hash_engine,
> >+ .array = ice_hash_pattern_list_os,
> >+ .array_len = RTE_DIM(ice_hash_pattern_list_os),
> >+ .parse_pattern_action = ice_hash_parse_pattern_action,
> >+ .stage = ICE_FLOW_STAGE_RSS,
> >+};
> >+
> >+/* Register parser for comms package. */ static struct ice_flow_parser
> >+ice_hash_parser_comms = {
> >+ .engine = &ice_hash_engine,
> >+ .array = ice_hash_pattern_list_comms,
> >+ .array_len = RTE_DIM(ice_hash_pattern_list_comms),
> >+ .parse_pattern_action = ice_hash_parse_pattern_action,
> >+ .stage = ICE_FLOW_STAGE_RSS,
> >+};
> >+
> >+RTE_INIT(ice_hash_init_log)
>
> I don't think this function has something to do with 'log', better to use name like
> ice_hash_engine_init.
>
I write "ice_hash_init_log" referring to other module. I also think it has nothing to do
with 'log'. Ok, I will modify it.
> >+{
> >+ struct ice_flow_engine *engine = &ice_hash_engine;
> >+ ice_register_flow_engine(engine);
> >+}
> >+
> >+static int
> >+ice_hash_init(struct ice_adapter *ad)
> >+{
> >+ int ret = 0;
>
> Unnecessary initialization for the ret.
>
Ok, will change it.
> >+
> >+ if (ad->active_pkg_type == ICE_PKG_TYPE_OS_DEFAULT) {
> >+ struct ice_flow_parser *parser = &ice_hash_parser_os;
> >+ ret = ice_register_parser(parser, ad);
> >+ } else if (ad->active_pkg_type == ICE_PKG_TYPE_COMMS) {
> >+ struct ice_flow_parser *parser = &ice_hash_parser_comms;
> >+ ret = ice_register_parser(parser, ad);
> >+ }
> >+
>
> What about:
>
> struct ice_flow_parser *parser;
>
> if (ad->active_pkg_type == ICE_PKG_TYPE_OS_DEFAULT) {
> parser = &ice_hash_parser_os;
> } else if (ad->active_pkg_type == ICE_PKG_TYPE_COMMS) {
> parser = &ice_hash_parser_comms;
> }
>
> return ice_register_parser(parser, ad);
>
It looks a good advice, can avoid unnecessary redundancy.
> >+ return ret;
> >+}
> >+
> >+static int
> >+ice_hash_check_inset(const struct rte_flow_item pattern[],
> >+ struct rte_flow_error *error)
> >+{
> >+ const struct rte_flow_item *item = pattern;
> >+
> >+ for (item = pattern; item->type != RTE_FLOW_ITEM_TYPE_END; item++) {
> >+ if (item->last) {
> >+ rte_flow_error_set(error, EINVAL,
> >+ RTE_FLOW_ERROR_TYPE_ITEM, item,
> >+ "Not support range");
> >+ return -rte_errno;
> >+ }
> >+
> >+ /* Ignore spec and mask. */
> >+ if (item->spec || item->mask) {
> >+ rte_flow_error_set(error, EINVAL,
> >+ RTE_FLOW_ERROR_TYPE_ITEM, item,
> >+ "Invalid mask.");
>
> "Invalid spec/mask."
>
Yes, I ignore it, will add it.
> >+ return -rte_errno;
> >+ }
> >+ }
> >+
> >+ return 0;
> >+}
> >+
> >+static int
> >+ice_hash_parse_action(struct ice_pattern_match_item
> *pattern_match_item,
> >+ const struct rte_flow_action actions[],
> >+ void **meta,
> >+ struct rte_flow_error *error)
> >+{
> >+ const struct rte_flow_action *action;
> >+ enum rte_flow_action_type action_type;
> >+ const struct rte_flow_action_rss *rss;
> >+ struct rss_type_match_hdr *m = (struct rss_type_match_hdr *)
> >+ (pattern_match_item->meta);
> >+ uint32_t type_list_len = RTE_DIM(ice_hash_type_list);
> >+ struct ice_hash_match_type *type_match_item;
> >+
> >+ /* Supported action is RSS. */
> >+ for (action = actions; action->type !=
> >+ RTE_FLOW_ACTION_TYPE_END; action++) {
> >+ action_type = action->type;
> >+ switch (action_type) {
> >+ case RTE_FLOW_ACTION_TYPE_RSS:
> >+ rss = action->conf;
> >+ uint16_t i;
> >+
> >+ /* Check if pattern is empty. */
> >+ if (((pattern_match_item->pattern_list) !=
> >+ pattern_empty) && (rss->func ==
> >+ RTE_ETH_HASH_FUNCTION_SIMPLE_XOR))
> >+ return rte_flow_error_set(error, ENOTSUP,
> >+ RTE_FLOW_ERROR_TYPE_ACTION, action,
> >+ "Not supported flow");
> >+
> >+ /* Check if rss types match pattern. */
> >+ if (rss->func != RTE_ETH_HASH_FUNCTION_SIMPLE_XOR) {
> >+ if (((rss->types & ETH_RSS_IPV4) != m->eth_rss_hint) ||
> >+ ((rss->types & ETH_RSS_NONFRAG_IPV4_UDP) !=
> m->eth_rss_hint) ||
> >+ ((rss->types & ETH_RSS_NONFRAG_IPV4_TCP) !=
> m->eth_rss_hint) ||
> >+ ((rss->types & ETH_RSS_NONFRAG_IPV4_SCTP) !=
> m->eth_rss_hint) ||
> >+ ((rss->types & ETH_RSS_IPV6) != m->eth_rss_hint) ||
> >+ ((rss->types & ETH_RSS_NONFRAG_IPV6_UDP) !=
> m->eth_rss_hint) ||
> >+ ((rss->types & ETH_RSS_NONFRAG_IPV6_TCP) !=
> m->eth_rss_hint) ||
> >+ ((rss->types & ETH_RSS_NONFRAG_IPV6_SCTP) !=
> m->eth_rss_hint))
> >+ return rte_flow_error_set(error,
> >+ ENOTSUP, RTE_FLOW_ERROR_TYPE_ACTION,
> >+ action, "Not supported RSS types");
> >+ }
> >+
> >+ if (rss->level)
> >+ return rte_flow_error_set(error, ENOTSUP,
> >+ RTE_FLOW_ERROR_TYPE_ACTION, action,
> >+ "a nonzero RSS encapsulation level is not supported");
> >+
> >+ if (rss->key_len == 0)
> >+ return rte_flow_error_set(error, ENOTSUP,
> >+ RTE_FLOW_ERROR_TYPE_ACTION, action,
> >+ "RSS hash key_len mustn't be 0");
> >+
> >+ if ((rss->queue_num) > ICE_ACTION_RSS_MAX_QUEUE_NUM)
> >+ return rte_flow_error_set(error, ENOTSUP,
> >+ RTE_FLOW_ERROR_TYPE_ACTION, action,
> >+ "too many queues for RSS context");
> >+
> >+ /* Check hash function and save it to rss_meta. */
> >+ if (rss->func ==
> >+ RTE_ETH_HASH_FUNCTION_SIMPLE_XOR)
> >+ ((struct rss_meta *)*meta)->hash_function =
> >+ RTE_ETH_HASH_FUNCTION_SIMPLE_XOR;
> >+
> >+ if (rss->func ==
> >+ RTE_ETH_HASH_FUNCTION_SYMMETRIC_TOEPLITZ)
> >+ ((struct rss_meta *)*meta)->hash_function =
> >+ RTE_ETH_HASH_FUNCTION_SYMMETRIC_TOEPLITZ;
> >+
> >+ type_match_item = rte_zmalloc("ice_type_match_item",
> >+ sizeof(struct ice_hash_match_type), 0);
> >+ if (!type_match_item) {
> >+ rte_flow_error_set(error, EINVAL,
> >+ RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
> >+ "No memory for type_match_item");
> >+ return -ENOMEM;
> >+ }
> >+
> >+ /* Find matched hash fields according to hash type. */
> >+ for (i = 0; i < type_list_len; i++) {
> >+ if (rss->types ==
> >+ ice_hash_type_list[i].hash_type) {
> >+ type_match_item->hash_type =
> >+ ice_hash_type_list[i].hash_type;
> >+ type_match_item->hash_flds =
> >+ ice_hash_type_list[i].hash_flds;
> >+ }
> >+ }
> >+
> >+ /* Save hash fileds to rss_meta. */
> >+ ((struct rss_meta *)*meta)->hash_flds =
> >+ type_match_item->hash_flds;
> >+
> >+ rte_free(type_match_item);
> >+ break;
> >+
> >+ case RTE_FLOW_ACTION_TYPE_END:
> >+ return 0;
> >+ break;
> >+
> >+ default:
> >+ rte_flow_error_set(error, EINVAL,
> >+ RTE_FLOW_ERROR_TYPE_ACTION, action,
> >+ "Invalid action.");
> >+ return -rte_errno;
> >+ }
> >+ }
> >+
> >+ return 0;
> >+}
> >+
> >+static int
> >+ice_hash_parse_pattern_action(__rte_unused struct ice_adapter *ad,
> >+ struct ice_pattern_match_item *array,
> >+ uint32_t array_len,
> >+ const struct rte_flow_item pattern[],
> >+ const struct rte_flow_action actions[],
> >+ void **meta,
> >+ struct rte_flow_error *error)
> >+{
> >+ int ret = 0;
> >+ struct ice_pattern_match_item *pattern_match_item = NULL;
> >+ struct rss_meta *rss_meta_ptr = NULL;
>
> Unnecessary initializations.
>
Ok, will change it.
> >+
> >+ rss_meta_ptr = rte_zmalloc(NULL, sizeof(*rss_meta_ptr), 0);
> >+ if (!rss_meta_ptr) {
> >+ rte_flow_error_set(error, EINVAL,
> >+ RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
> >+ "No memory for rss_meta_ptr");
> >+ return -ENOMEM;
> >+ }
> >+
> >+ /* Check rss supported pattern and find matched pattern. */
> >+ pattern_match_item = ice_search_pattern_match_item(pattern,
> >+ array, array_len, error);
> >+ if (!pattern_match_item)
> >+ return -rte_errno;
> >+
> >+ ret = ice_hash_check_inset(pattern, error);
> >+ if (ret)
> >+ return -rte_errno;
> >+
> >+ /* Save protocol header to rss_meta. */
> >+ *meta = rss_meta_ptr;
> >+ ((struct rss_meta *)*meta)->pkt_hdr = ((struct rss_type_match_hdr *)
> >+ (pattern_match_item->meta))->hdr_mask;
> >+
> >+ /* Check rss action. */
> >+ ret = ice_hash_parse_action(pattern_match_item, actions, meta, error);
> >+ if (ret)
> >+ return -rte_errno;
> >+
> >+ rte_free(pattern_match_item);
> >+
> >+ return 0;
> >+}
> >+
> >+static int
> >+ice_hash_create(struct ice_adapter *ad,
> >+ struct rte_flow *flow,
> >+ void *meta,
> >+ __rte_unused struct rte_flow_error *error) {
> >+ struct ice_pf *pf = &ad->pf;
> >+ struct ice_hw *hw = ICE_PF_TO_HW(pf);
> >+ struct ice_vsi *vsi = pf->main_vsi;
> >+ int ret = 0;
> >+ uint32_t reg;
> >+ struct ice_rss_cfg *filter_ptr;
> >+
> >+ uint32_t headermask = ((struct rss_meta *)meta)->pkt_hdr;
> >+ uint64_t hash_field = ((struct rss_meta *)meta)->hash_flds;
> >+ uint8_t hash_function = ((struct rss_meta *)meta)->hash_function;
> >+
> >+ filter_ptr = rte_zmalloc("ice_rss_filter",
> >+ sizeof(struct ice_rss_cfg), 0);
> >+ if (!filter_ptr) {
> >+ rte_flow_error_set(error, EINVAL,
> >+ RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
> >+ "No memory for filter_ptr");
> >+ return -ENOMEM;
> >+ }
> >+
> >+ if (hash_function == RTE_ETH_HASH_FUNCTION_SIMPLE_XOR) {
> >+ /* Enable registers for simple_xor hash function. */
> >+ reg = ICE_READ_REG(hw, VSIQF_HASH_CTL(vsi->vsi_id));
> >+ reg = (reg & (~VSIQF_HASH_CTL_HASH_SCHEME_M)) |
> >+ (2 << VSIQF_HASH_CTL_HASH_SCHEME_S);
> >+ ICE_WRITE_REG(hw, VSIQF_HASH_CTL(vsi->vsi_id), reg);
> >+
> >+ filter_ptr->symm = hash_function;
> >+
> >+ goto out;
> >+ } else if (hash_function ==
> RTE_ETH_HASH_FUNCTION_SYMMETRIC_TOEPLITZ) {
> >+ ret = ice_add_rss_cfg(hw, vsi->idx, hash_field, headermask, 1);
> >+ if (ret)
> >+ rte_flow_error_set(error, EINVAL,
> >+ RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
> >+ "rss flow create fail");
>
> Do we need to error out here?
>
Yes, it's my negligence that other than return error, also need to error out here.
I will add it in v3 patch.
> >+ } else {
> >+ ret = ice_add_rss_cfg(hw, vsi->idx, hash_field, headermask, 0);
> >+ if (ret)
> >+ rte_flow_error_set(error, EINVAL,
> >+ RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
> >+ "rss flow create fail");
>
> Ditto.
>
> >+ }
> >+
> >+ filter_ptr->packet_hdr = headermask;
> >+ filter_ptr->hashed_flds = hash_field;
> >+
> >+out:
> >+ flow->rule = filter_ptr;
> >+ rte_free(meta);
> >+ return 0;
> >+}
> >+
> >+static int
> >+ice_hash_destroy(struct ice_adapter *ad,
> >+ struct rte_flow *flow,
> >+ __rte_unused struct rte_flow_error *error)
>
> It's actually used in this function, so just remove the __rte_unused tag.
>
Yes, I forgot to remove it, thanks!
> >+{
> >+ struct ice_pf *pf = ICE_DEV_PRIVATE_TO_PF(ad);
> >+ struct ice_hw *hw = ICE_PF_TO_HW(pf);
> >+ struct ice_vsi *vsi = pf->main_vsi;
> >+ int ret = 0;
>
> Unnecessary initialization.
>
Ok, will change it.
> >+ uint32_t reg;
> >+ struct ice_rss_cfg *filter_ptr;
> >+
> >+ filter_ptr = (struct ice_rss_cfg *)flow->rule;
> >+
> >+ if (filter_ptr->symm == RTE_ETH_HASH_FUNCTION_SIMPLE_XOR) {
> >+ /* Return to symmetric_toeplitz state. */
> >+ reg = ICE_READ_REG(hw, VSIQF_HASH_CTL(vsi->vsi_id));
> >+ reg = (reg & (~VSIQF_HASH_CTL_HASH_SCHEME_M)) |
> >+ (1 << VSIQF_HASH_CTL_HASH_SCHEME_S);
> >+ ICE_WRITE_REG(hw, VSIQF_HASH_CTL(vsi->vsi_id), reg);
> >+ } else {
> >+ ret = ice_rem_vsi_rss_cfg(hw, vsi->idx);
> >+ if (ret)
> >+ rte_flow_error_set(error, EINVAL,
> >+ RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
> >+ "rss flow destroy fail");
>
> If ice_rem_vsi_rss_cfg fails here, do we still need to proceed to free the flow
> other than return error here?
>
Yes, as to this, I will add it.
> >+ }
> >+
> >+ rte_free(filter_ptr);
> >+
> >+ return 0;
> >+}
> >+
> >+static void
> >+ice_hash_uninit(struct ice_adapter *ad) {
> >+ if (ad->active_pkg_type == ICE_PKG_TYPE_OS_DEFAULT)
> >+ ice_unregister_parser(&ice_hash_parser_os, ad);
> >+ else if (ad->active_pkg_type == ICE_PKG_TYPE_COMMS)
> >+ ice_unregister_parser(&ice_hash_parser_comms, ad); }
> >+
> >+static void
> >+ice_hash_free(struct rte_flow *flow)
> >+{
> >+ rte_free(flow->rule);
> >+}
> >--
> >1.8.3.1
> >
Br
Simei
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