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|
// SPDX-License-Identifier: GPL-2.0
/* Copyright (C) 2018-2020, Intel Corporation. */
#include "ice_common.h"
/* These are training packet headers used to program flow director filters. */
static const u8 ice_fdir_tcpv4_pkt[] = {
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x08, 0x00, 0x45, 0x00,
0x00, 0x28, 0x00, 0x01, 0x00, 0x00, 0x40, 0x06,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x50, 0x00,
0x20, 0x00, 0x00, 0x00, 0x00, 0x00
};
static const u8 ice_fdir_udpv4_pkt[] = {
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x08, 0x00, 0x45, 0x00,
0x00, 0x1C, 0x00, 0x00, 0x40, 0x00, 0x40, 0x11,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00,
};
static const u8 ice_fdir_sctpv4_pkt[] = {
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x08, 0x00, 0x45, 0x00,
0x00, 0x20, 0x00, 0x00, 0x40, 0x00, 0x40, 0x84,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
};
static const u8 ice_fdir_ipv4_pkt[] = {
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x08, 0x00, 0x45, 0x00,
0x00, 0x14, 0x00, 0x00, 0x40, 0x00, 0x40, 0x10,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00
};
static const u8 ice_fdir_tcpv6_pkt[] = {
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x86, 0xDD, 0x60, 0x00,
0x00, 0x00, 0x00, 0x14, 0x06, 0x40, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x50, 0x00, 0x20, 0x00, 0x00, 0x00,
0x00, 0x00,
};
static const u8 ice_fdir_udpv6_pkt[] = {
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x86, 0xDD, 0x60, 0x00,
0x00, 0x00, 0x00, 0x08, 0x11, 0x40, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x08, 0x00, 0x00,
};
static const u8 ice_fdir_sctpv6_pkt[] = {
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x86, 0xDD, 0x60, 0x00,
0x00, 0x00, 0x00, 0x0C, 0x84, 0x40, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00,
};
static const u8 ice_fdir_ipv6_pkt[] = {
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x86, 0xDD, 0x60, 0x00,
0x00, 0x00, 0x00, 0x00, 0x3B, 0x40, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
};
static const u8 ice_fdir_tcp4_tun_pkt[] = {
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x08, 0x00, 0x45, 0x00,
0x00, 0x5a, 0x00, 0x00, 0x40, 0x00, 0x40, 0x11,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x04, 0x00, 0x00, 0x03, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08, 0x00,
0x45, 0x00, 0x00, 0x28, 0x00, 0x00, 0x40, 0x00,
0x40, 0x06, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x50, 0x00, 0x20, 0x00, 0x00, 0x00, 0x00, 0x00,
};
static const u8 ice_fdir_udp4_tun_pkt[] = {
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x08, 0x00, 0x45, 0x00,
0x00, 0x4e, 0x00, 0x00, 0x40, 0x00, 0x40, 0x11,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x04, 0x00, 0x00, 0x03, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08, 0x00,
0x45, 0x00, 0x00, 0x1c, 0x00, 0x00, 0x40, 0x00,
0x40, 0x11, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00,
};
static const u8 ice_fdir_sctp4_tun_pkt[] = {
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x08, 0x00, 0x45, 0x00,
0x00, 0x52, 0x00, 0x00, 0x40, 0x00, 0x40, 0x11,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x04, 0x00, 0x00, 0x03, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08, 0x00,
0x45, 0x00, 0x00, 0x20, 0x00, 0x01, 0x00, 0x00,
0x40, 0x84, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
};
static const u8 ice_fdir_ip4_tun_pkt[] = {
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x08, 0x00, 0x45, 0x00,
0x00, 0x46, 0x00, 0x00, 0x40, 0x00, 0x40, 0x11,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x04, 0x00, 0x00, 0x03, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08, 0x00,
0x45, 0x00, 0x00, 0x14, 0x00, 0x00, 0x00, 0x00,
0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00,
};
static const u8 ice_fdir_tcp6_tun_pkt[] = {
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x08, 0x00, 0x45, 0x00,
0x00, 0x6e, 0x00, 0x00, 0x40, 0x00, 0x40, 0x11,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x04, 0x00, 0x00, 0x03, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x86, 0xdd,
0x60, 0x00, 0x00, 0x00, 0x00, 0x14, 0x06, 0x40,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x50, 0x00, 0x20, 0x00,
0x00, 0x00, 0x00, 0x00,
};
static const u8 ice_fdir_udp6_tun_pkt[] = {
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x08, 0x00, 0x45, 0x00,
0x00, 0x62, 0x00, 0x00, 0x40, 0x00, 0x40, 0x11,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x04, 0x00, 0x00, 0x03, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x86, 0xdd,
0x60, 0x00, 0x00, 0x00, 0x00, 0x08, 0x11, 0x40,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
};
static const u8 ice_fdir_sctp6_tun_pkt[] = {
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x08, 0x00, 0x45, 0x00,
0x00, 0x66, 0x00, 0x00, 0x40, 0x00, 0x40, 0x11,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x04, 0x00, 0x00, 0x03, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x86, 0xdd,
0x60, 0x00, 0x00, 0x00, 0x00, 0x0c, 0x84, 0x40,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00,
};
static const u8 ice_fdir_ip6_tun_pkt[] = {
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x08, 0x00, 0x45, 0x00,
0x00, 0x5a, 0x00, 0x00, 0x40, 0x00, 0x40, 0x11,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x04, 0x00, 0x00, 0x03, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x86, 0xdd,
0x60, 0x00, 0x00, 0x00, 0x00, 0x00, 0x3b, 0x40,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
};
/* Flow Director no-op training packet table */
static const struct ice_fdir_base_pkt ice_fdir_pkt[] = {
{
ICE_FLTR_PTYPE_NONF_IPV4_TCP,
sizeof(ice_fdir_tcpv4_pkt), ice_fdir_tcpv4_pkt,
sizeof(ice_fdir_tcp4_tun_pkt), ice_fdir_tcp4_tun_pkt,
},
{
ICE_FLTR_PTYPE_NONF_IPV4_UDP,
sizeof(ice_fdir_udpv4_pkt), ice_fdir_udpv4_pkt,
sizeof(ice_fdir_udp4_tun_pkt), ice_fdir_udp4_tun_pkt,
},
{
ICE_FLTR_PTYPE_NONF_IPV4_SCTP,
sizeof(ice_fdir_sctpv4_pkt), ice_fdir_sctpv4_pkt,
sizeof(ice_fdir_sctp4_tun_pkt), ice_fdir_sctp4_tun_pkt,
},
{
ICE_FLTR_PTYPE_NONF_IPV4_OTHER,
sizeof(ice_fdir_ipv4_pkt), ice_fdir_ipv4_pkt,
sizeof(ice_fdir_ip4_tun_pkt), ice_fdir_ip4_tun_pkt,
},
{
ICE_FLTR_PTYPE_NONF_IPV6_TCP,
sizeof(ice_fdir_tcpv6_pkt), ice_fdir_tcpv6_pkt,
sizeof(ice_fdir_tcp6_tun_pkt), ice_fdir_tcp6_tun_pkt,
},
{
ICE_FLTR_PTYPE_NONF_IPV6_UDP,
sizeof(ice_fdir_udpv6_pkt), ice_fdir_udpv6_pkt,
sizeof(ice_fdir_udp6_tun_pkt), ice_fdir_udp6_tun_pkt,
},
{
ICE_FLTR_PTYPE_NONF_IPV6_SCTP,
sizeof(ice_fdir_sctpv6_pkt), ice_fdir_sctpv6_pkt,
sizeof(ice_fdir_sctp6_tun_pkt), ice_fdir_sctp6_tun_pkt,
},
{
ICE_FLTR_PTYPE_NONF_IPV6_OTHER,
sizeof(ice_fdir_ipv6_pkt), ice_fdir_ipv6_pkt,
sizeof(ice_fdir_ip6_tun_pkt), ice_fdir_ip6_tun_pkt,
},
};
#define ICE_FDIR_NUM_PKT ARRAY_SIZE(ice_fdir_pkt)
/**
* ice_set_dflt_val_fd_desc
* @fd_fltr_ctx: pointer to fd filter descriptor
*/
static void ice_set_dflt_val_fd_desc(struct ice_fd_fltr_desc_ctx *fd_fltr_ctx)
{
fd_fltr_ctx->comp_q = ICE_FXD_FLTR_QW0_COMP_Q_ZERO;
fd_fltr_ctx->comp_report = ICE_FXD_FLTR_QW0_COMP_REPORT_SW_FAIL;
fd_fltr_ctx->fd_space = ICE_FXD_FLTR_QW0_FD_SPACE_GUAR_BEST;
fd_fltr_ctx->cnt_ena = ICE_FXD_FLTR_QW0_STAT_ENA_PKTS;
fd_fltr_ctx->evict_ena = ICE_FXD_FLTR_QW0_EVICT_ENA_TRUE;
fd_fltr_ctx->toq = ICE_FXD_FLTR_QW0_TO_Q_EQUALS_QINDEX;
fd_fltr_ctx->toq_prio = ICE_FXD_FLTR_QW0_TO_Q_PRIO1;
fd_fltr_ctx->dpu_recipe = ICE_FXD_FLTR_QW0_DPU_RECIPE_DFLT;
fd_fltr_ctx->drop = ICE_FXD_FLTR_QW0_DROP_NO;
fd_fltr_ctx->flex_prio = ICE_FXD_FLTR_QW0_FLEX_PRI_NONE;
fd_fltr_ctx->flex_mdid = ICE_FXD_FLTR_QW0_FLEX_MDID0;
fd_fltr_ctx->flex_val = ICE_FXD_FLTR_QW0_FLEX_VAL0;
fd_fltr_ctx->dtype = ICE_TX_DESC_DTYPE_FLTR_PROG;
fd_fltr_ctx->desc_prof_prio = ICE_FXD_FLTR_QW1_PROF_PRIO_ZERO;
fd_fltr_ctx->desc_prof = ICE_FXD_FLTR_QW1_PROF_ZERO;
fd_fltr_ctx->swap = ICE_FXD_FLTR_QW1_SWAP_SET;
fd_fltr_ctx->fdid_prio = ICE_FXD_FLTR_QW1_FDID_PRI_ONE;
fd_fltr_ctx->fdid_mdid = ICE_FXD_FLTR_QW1_FDID_MDID_FD;
fd_fltr_ctx->fdid = ICE_FXD_FLTR_QW1_FDID_ZERO;
}
/**
* ice_set_fd_desc_val
* @ctx: pointer to fd filter descriptor context
* @fdir_desc: populated with fd filter descriptor values
*/
static void
ice_set_fd_desc_val(struct ice_fd_fltr_desc_ctx *ctx,
struct ice_fltr_desc *fdir_desc)
{
u64 qword;
/* prep QW0 of FD filter programming desc */
qword = ((u64)ctx->qindex << ICE_FXD_FLTR_QW0_QINDEX_S) &
ICE_FXD_FLTR_QW0_QINDEX_M;
qword |= ((u64)ctx->comp_q << ICE_FXD_FLTR_QW0_COMP_Q_S) &
ICE_FXD_FLTR_QW0_COMP_Q_M;
qword |= ((u64)ctx->comp_report << ICE_FXD_FLTR_QW0_COMP_REPORT_S) &
ICE_FXD_FLTR_QW0_COMP_REPORT_M;
qword |= ((u64)ctx->fd_space << ICE_FXD_FLTR_QW0_FD_SPACE_S) &
ICE_FXD_FLTR_QW0_FD_SPACE_M;
qword |= ((u64)ctx->cnt_index << ICE_FXD_FLTR_QW0_STAT_CNT_S) &
ICE_FXD_FLTR_QW0_STAT_CNT_M;
qword |= ((u64)ctx->cnt_ena << ICE_FXD_FLTR_QW0_STAT_ENA_S) &
ICE_FXD_FLTR_QW0_STAT_ENA_M;
qword |= ((u64)ctx->evict_ena << ICE_FXD_FLTR_QW0_EVICT_ENA_S) &
ICE_FXD_FLTR_QW0_EVICT_ENA_M;
qword |= ((u64)ctx->toq << ICE_FXD_FLTR_QW0_TO_Q_S) &
ICE_FXD_FLTR_QW0_TO_Q_M;
qword |= ((u64)ctx->toq_prio << ICE_FXD_FLTR_QW0_TO_Q_PRI_S) &
ICE_FXD_FLTR_QW0_TO_Q_PRI_M;
qword |= ((u64)ctx->dpu_recipe << ICE_FXD_FLTR_QW0_DPU_RECIPE_S) &
ICE_FXD_FLTR_QW0_DPU_RECIPE_M;
qword |= ((u64)ctx->drop << ICE_FXD_FLTR_QW0_DROP_S) &
ICE_FXD_FLTR_QW0_DROP_M;
qword |= ((u64)ctx->flex_prio << ICE_FXD_FLTR_QW0_FLEX_PRI_S) &
ICE_FXD_FLTR_QW0_FLEX_PRI_M;
qword |= ((u64)ctx->flex_mdid << ICE_FXD_FLTR_QW0_FLEX_MDID_S) &
ICE_FXD_FLTR_QW0_FLEX_MDID_M;
qword |= ((u64)ctx->flex_val << ICE_FXD_FLTR_QW0_FLEX_VAL_S) &
ICE_FXD_FLTR_QW0_FLEX_VAL_M;
fdir_desc->qidx_compq_space_stat = cpu_to_le64(qword);
/* prep QW1 of FD filter programming desc */
qword = ((u64)ctx->dtype << ICE_FXD_FLTR_QW1_DTYPE_S) &
ICE_FXD_FLTR_QW1_DTYPE_M;
qword |= ((u64)ctx->pcmd << ICE_FXD_FLTR_QW1_PCMD_S) &
ICE_FXD_FLTR_QW1_PCMD_M;
qword |= ((u64)ctx->desc_prof_prio << ICE_FXD_FLTR_QW1_PROF_PRI_S) &
ICE_FXD_FLTR_QW1_PROF_PRI_M;
qword |= ((u64)ctx->desc_prof << ICE_FXD_FLTR_QW1_PROF_S) &
ICE_FXD_FLTR_QW1_PROF_M;
qword |= ((u64)ctx->fd_vsi << ICE_FXD_FLTR_QW1_FD_VSI_S) &
ICE_FXD_FLTR_QW1_FD_VSI_M;
qword |= ((u64)ctx->swap << ICE_FXD_FLTR_QW1_SWAP_S) &
ICE_FXD_FLTR_QW1_SWAP_M;
qword |= ((u64)ctx->fdid_prio << ICE_FXD_FLTR_QW1_FDID_PRI_S) &
ICE_FXD_FLTR_QW1_FDID_PRI_M;
qword |= ((u64)ctx->fdid_mdid << ICE_FXD_FLTR_QW1_FDID_MDID_S) &
ICE_FXD_FLTR_QW1_FDID_MDID_M;
qword |= ((u64)ctx->fdid << ICE_FXD_FLTR_QW1_FDID_S) &
ICE_FXD_FLTR_QW1_FDID_M;
fdir_desc->dtype_cmd_vsi_fdid = cpu_to_le64(qword);
}
/**
* ice_fdir_get_prgm_desc - set a fdir descriptor from a fdir filter struct
* @hw: pointer to the hardware structure
* @input: filter
* @fdesc: filter descriptor
* @add: if add is true, this is an add operation, false implies delete
*/
void
ice_fdir_get_prgm_desc(struct ice_hw *hw, struct ice_fdir_fltr *input,
struct ice_fltr_desc *fdesc, bool add)
{
struct ice_fd_fltr_desc_ctx fdir_fltr_ctx = { 0 };
/* set default context info */
ice_set_dflt_val_fd_desc(&fdir_fltr_ctx);
/* change sideband filtering values */
fdir_fltr_ctx.fdid = input->fltr_id;
if (input->dest_ctl == ICE_FLTR_PRGM_DESC_DEST_DROP_PKT) {
fdir_fltr_ctx.drop = ICE_FXD_FLTR_QW0_DROP_YES;
fdir_fltr_ctx.qindex = 0;
} else {
fdir_fltr_ctx.drop = ICE_FXD_FLTR_QW0_DROP_NO;
fdir_fltr_ctx.qindex = input->q_index;
}
fdir_fltr_ctx.cnt_ena = ICE_FXD_FLTR_QW0_STAT_ENA_PKTS;
fdir_fltr_ctx.cnt_index = input->cnt_index;
fdir_fltr_ctx.fd_vsi = ice_get_hw_vsi_num(hw, input->dest_vsi);
fdir_fltr_ctx.evict_ena = ICE_FXD_FLTR_QW0_EVICT_ENA_FALSE;
fdir_fltr_ctx.toq_prio = 3;
fdir_fltr_ctx.pcmd = add ? ICE_FXD_FLTR_QW1_PCMD_ADD :
ICE_FXD_FLTR_QW1_PCMD_REMOVE;
fdir_fltr_ctx.swap = ICE_FXD_FLTR_QW1_SWAP_NOT_SET;
fdir_fltr_ctx.comp_q = ICE_FXD_FLTR_QW0_COMP_Q_ZERO;
fdir_fltr_ctx.comp_report = ICE_FXD_FLTR_QW0_COMP_REPORT_SW_FAIL;
fdir_fltr_ctx.fdid_prio = 3;
fdir_fltr_ctx.desc_prof = 1;
fdir_fltr_ctx.desc_prof_prio = 3;
ice_set_fd_desc_val(&fdir_fltr_ctx, fdesc);
}
/**
* ice_alloc_fd_res_cntr - obtain counter resource for FD type
* @hw: pointer to the hardware structure
* @cntr_id: returns counter index
*/
enum ice_status ice_alloc_fd_res_cntr(struct ice_hw *hw, u16 *cntr_id)
{
return ice_alloc_res_cntr(hw, ICE_AQC_RES_TYPE_FDIR_COUNTER_BLOCK,
ICE_AQC_RES_TYPE_FLAG_DEDICATED, 1, cntr_id);
}
/**
* ice_free_fd_res_cntr - Free counter resource for FD type
* @hw: pointer to the hardware structure
* @cntr_id: counter index to be freed
*/
enum ice_status ice_free_fd_res_cntr(struct ice_hw *hw, u16 cntr_id)
{
return ice_free_res_cntr(hw, ICE_AQC_RES_TYPE_FDIR_COUNTER_BLOCK,
ICE_AQC_RES_TYPE_FLAG_DEDICATED, 1, cntr_id);
}
/**
* ice_alloc_fd_guar_item - allocate resource for FD guaranteed entries
* @hw: pointer to the hardware structure
* @cntr_id: returns counter index
* @num_fltr: number of filter entries to be allocated
*/
enum ice_status
ice_alloc_fd_guar_item(struct ice_hw *hw, u16 *cntr_id, u16 num_fltr)
{
return ice_alloc_res_cntr(hw, ICE_AQC_RES_TYPE_FDIR_GUARANTEED_ENTRIES,
ICE_AQC_RES_TYPE_FLAG_DEDICATED, num_fltr,
cntr_id);
}
/**
* ice_alloc_fd_shrd_item - allocate resource for flow director shared entries
* @hw: pointer to the hardware structure
* @cntr_id: returns counter index
* @num_fltr: number of filter entries to be allocated
*/
enum ice_status
ice_alloc_fd_shrd_item(struct ice_hw *hw, u16 *cntr_id, u16 num_fltr)
{
return ice_alloc_res_cntr(hw, ICE_AQC_RES_TYPE_FDIR_SHARED_ENTRIES,
ICE_AQC_RES_TYPE_FLAG_DEDICATED, num_fltr,
cntr_id);
}
/**
* ice_get_fdir_cnt_all - get the number of Flow Director filters
* @hw: hardware data structure
*
* Returns the number of filters available on device
*/
int ice_get_fdir_cnt_all(struct ice_hw *hw)
{
return hw->func_caps.fd_fltr_guar + hw->func_caps.fd_fltr_best_effort;
}
/**
* ice_pkt_insert_ipv6_addr - insert a be32 IPv6 address into a memory buffer
* @pkt: packet buffer
* @offset: offset into buffer
* @addr: IPv6 address to convert and insert into pkt at offset
*/
static void ice_pkt_insert_ipv6_addr(u8 *pkt, int offset, __be32 *addr)
{
int idx;
for (idx = 0; idx < ICE_IPV6_ADDR_LEN_AS_U32; idx++)
memcpy(pkt + offset + idx * sizeof(*addr), &addr[idx],
sizeof(*addr));
}
/**
* ice_pkt_insert_u16 - insert a be16 value into a memory buffer
* @pkt: packet buffer
* @offset: offset into buffer
* @data: 16 bit value to convert and insert into pkt at offset
*/
static void ice_pkt_insert_u16(u8 *pkt, int offset, __be16 data)
{
memcpy(pkt + offset, &data, sizeof(data));
}
/**
* ice_pkt_insert_u32 - insert a be32 value into a memory buffer
* @pkt: packet buffer
* @offset: offset into buffer
* @data: 32 bit value to convert and insert into pkt at offset
*/
static void ice_pkt_insert_u32(u8 *pkt, int offset, __be32 data)
{
memcpy(pkt + offset, &data, sizeof(data));
}
/**
* ice_fdir_get_gen_prgm_pkt - generate a training packet
* @hw: pointer to the hardware structure
* @input: flow director filter data structure
* @pkt: pointer to return filter packet
* @frag: generate a fragment packet
* @tun: true implies generate a tunnel packet
*/
enum ice_status
ice_fdir_get_gen_prgm_pkt(struct ice_hw *hw, struct ice_fdir_fltr *input,
u8 *pkt, bool frag, bool tun)
{
enum ice_fltr_ptype flow;
u16 tnl_port;
u8 *loc;
u16 idx;
if (input->flow_type == ICE_FLTR_PTYPE_NONF_IPV4_OTHER) {
switch (input->ip.v4.proto) {
case IPPROTO_TCP:
flow = ICE_FLTR_PTYPE_NONF_IPV4_TCP;
break;
case IPPROTO_UDP:
flow = ICE_FLTR_PTYPE_NONF_IPV4_UDP;
break;
case IPPROTO_SCTP:
flow = ICE_FLTR_PTYPE_NONF_IPV4_SCTP;
break;
case IPPROTO_IP:
flow = ICE_FLTR_PTYPE_NONF_IPV4_OTHER;
break;
default:
return ICE_ERR_PARAM;
}
} else if (input->flow_type == ICE_FLTR_PTYPE_NONF_IPV6_OTHER) {
switch (input->ip.v6.proto) {
case IPPROTO_TCP:
flow = ICE_FLTR_PTYPE_NONF_IPV6_TCP;
break;
case IPPROTO_UDP:
flow = ICE_FLTR_PTYPE_NONF_IPV6_UDP;
break;
case IPPROTO_SCTP:
flow = ICE_FLTR_PTYPE_NONF_IPV6_SCTP;
break;
case IPPROTO_IP:
flow = ICE_FLTR_PTYPE_NONF_IPV6_OTHER;
break;
default:
return ICE_ERR_PARAM;
}
} else {
flow = input->flow_type;
}
for (idx = 0; idx < ICE_FDIR_NUM_PKT; idx++)
if (ice_fdir_pkt[idx].flow == flow)
break;
if (idx == ICE_FDIR_NUM_PKT)
return ICE_ERR_PARAM;
if (!tun) {
memcpy(pkt, ice_fdir_pkt[idx].pkt, ice_fdir_pkt[idx].pkt_len);
loc = pkt;
} else {
if (!ice_get_open_tunnel_port(hw, TNL_ALL, &tnl_port))
return ICE_ERR_DOES_NOT_EXIST;
if (!ice_fdir_pkt[idx].tun_pkt)
return ICE_ERR_PARAM;
memcpy(pkt, ice_fdir_pkt[idx].tun_pkt,
ice_fdir_pkt[idx].tun_pkt_len);
ice_pkt_insert_u16(pkt, ICE_IPV4_UDP_DST_PORT_OFFSET,
htons(tnl_port));
loc = &pkt[ICE_FDIR_TUN_PKT_OFF];
}
/* Reverse the src and dst, since the HW expects them to be from Tx
* perspective. The input from user is from Rx filter perspective.
*/
switch (flow) {
case ICE_FLTR_PTYPE_NONF_IPV4_TCP:
ice_pkt_insert_u32(loc, ICE_IPV4_DST_ADDR_OFFSET,
input->ip.v4.src_ip);
ice_pkt_insert_u16(loc, ICE_IPV4_TCP_DST_PORT_OFFSET,
input->ip.v4.src_port);
ice_pkt_insert_u32(loc, ICE_IPV4_SRC_ADDR_OFFSET,
input->ip.v4.dst_ip);
ice_pkt_insert_u16(loc, ICE_IPV4_TCP_SRC_PORT_OFFSET,
input->ip.v4.dst_port);
if (frag)
loc[20] = ICE_FDIR_IPV4_PKT_FLAG_DF;
break;
case ICE_FLTR_PTYPE_NONF_IPV4_UDP:
ice_pkt_insert_u32(loc, ICE_IPV4_DST_ADDR_OFFSET,
input->ip.v4.src_ip);
ice_pkt_insert_u16(loc, ICE_IPV4_UDP_DST_PORT_OFFSET,
input->ip.v4.src_port);
ice_pkt_insert_u32(loc, ICE_IPV4_SRC_ADDR_OFFSET,
input->ip.v4.dst_ip);
ice_pkt_insert_u16(loc, ICE_IPV4_UDP_SRC_PORT_OFFSET,
input->ip.v4.dst_port);
break;
case ICE_FLTR_PTYPE_NONF_IPV4_SCTP:
ice_pkt_insert_u32(loc, ICE_IPV4_DST_ADDR_OFFSET,
input->ip.v4.src_ip);
ice_pkt_insert_u16(loc, ICE_IPV4_SCTP_DST_PORT_OFFSET,
input->ip.v4.src_port);
ice_pkt_insert_u32(loc, ICE_IPV4_SRC_ADDR_OFFSET,
input->ip.v4.dst_ip);
ice_pkt_insert_u16(loc, ICE_IPV4_SCTP_SRC_PORT_OFFSET,
input->ip.v4.dst_port);
break;
case ICE_FLTR_PTYPE_NONF_IPV4_OTHER:
ice_pkt_insert_u32(loc, ICE_IPV4_DST_ADDR_OFFSET,
input->ip.v4.src_ip);
ice_pkt_insert_u32(loc, ICE_IPV4_SRC_ADDR_OFFSET,
input->ip.v4.dst_ip);
ice_pkt_insert_u16(loc, ICE_IPV4_PROTO_OFFSET, 0);
break;
case ICE_FLTR_PTYPE_NONF_IPV6_TCP:
ice_pkt_insert_ipv6_addr(loc, ICE_IPV6_DST_ADDR_OFFSET,
input->ip.v6.src_ip);
ice_pkt_insert_ipv6_addr(loc, ICE_IPV6_SRC_ADDR_OFFSET,
input->ip.v6.dst_ip);
ice_pkt_insert_u16(loc, ICE_IPV6_TCP_DST_PORT_OFFSET,
input->ip.v6.src_port);
ice_pkt_insert_u16(loc, ICE_IPV6_TCP_SRC_PORT_OFFSET,
input->ip.v6.dst_port);
break;
case ICE_FLTR_PTYPE_NONF_IPV6_UDP:
ice_pkt_insert_ipv6_addr(loc, ICE_IPV6_DST_ADDR_OFFSET,
input->ip.v6.src_ip);
ice_pkt_insert_ipv6_addr(loc, ICE_IPV6_SRC_ADDR_OFFSET,
input->ip.v6.dst_ip);
ice_pkt_insert_u16(loc, ICE_IPV6_UDP_DST_PORT_OFFSET,
input->ip.v6.src_port);
ice_pkt_insert_u16(loc, ICE_IPV6_UDP_SRC_PORT_OFFSET,
input->ip.v6.dst_port);
break;
case ICE_FLTR_PTYPE_NONF_IPV6_SCTP:
ice_pkt_insert_ipv6_addr(loc, ICE_IPV6_DST_ADDR_OFFSET,
input->ip.v6.src_ip);
ice_pkt_insert_ipv6_addr(loc, ICE_IPV6_SRC_ADDR_OFFSET,
input->ip.v6.dst_ip);
ice_pkt_insert_u16(loc, ICE_IPV6_SCTP_DST_PORT_OFFSET,
input->ip.v6.src_port);
ice_pkt_insert_u16(loc, ICE_IPV6_SCTP_SRC_PORT_OFFSET,
input->ip.v6.dst_port);
break;
case ICE_FLTR_PTYPE_NONF_IPV6_OTHER:
ice_pkt_insert_ipv6_addr(loc, ICE_IPV6_DST_ADDR_OFFSET,
input->ip.v6.src_ip);
ice_pkt_insert_ipv6_addr(loc, ICE_IPV6_SRC_ADDR_OFFSET,
input->ip.v6.dst_ip);
break;
default:
return ICE_ERR_PARAM;
}
if (input->flex_fltr)
ice_pkt_insert_u16(loc, input->flex_offset, input->flex_word);
return 0;
}
/**
* ice_fdir_has_frag - does flow type have 2 ptypes
* @flow: flow ptype
*
* returns true is there is a fragment packet for this ptype
*/
bool ice_fdir_has_frag(enum ice_fltr_ptype flow)
{
if (flow == ICE_FLTR_PTYPE_NONF_IPV4_OTHER)
return true;
else
return false;
}
/**
* ice_fdir_find_by_idx - find filter with idx
* @hw: pointer to hardware structure
* @fltr_idx: index to find.
*
* Returns pointer to filter if found or null
*/
struct ice_fdir_fltr *
ice_fdir_find_fltr_by_idx(struct ice_hw *hw, u32 fltr_idx)
{
struct ice_fdir_fltr *rule;
list_for_each_entry(rule, &hw->fdir_list_head, fltr_node) {
/* rule ID found in the list */
if (fltr_idx == rule->fltr_id)
return rule;
if (fltr_idx < rule->fltr_id)
break;
}
return NULL;
}
/**
* ice_fdir_list_add_fltr - add a new node to the flow director filter list
* @hw: hardware structure
* @fltr: filter node to add to structure
*/
void ice_fdir_list_add_fltr(struct ice_hw *hw, struct ice_fdir_fltr *fltr)
{
struct ice_fdir_fltr *rule, *parent = NULL;
list_for_each_entry(rule, &hw->fdir_list_head, fltr_node) {
/* rule ID found or pass its spot in the list */
if (rule->fltr_id >= fltr->fltr_id)
break;
parent = rule;
}
if (parent)
list_add(&fltr->fltr_node, &parent->fltr_node);
else
list_add(&fltr->fltr_node, &hw->fdir_list_head);
}
/**
* ice_fdir_update_cntrs - increment / decrement filter counter
* @hw: pointer to hardware structure
* @flow: filter flow type
* @add: true implies filters added
*/
void
ice_fdir_update_cntrs(struct ice_hw *hw, enum ice_fltr_ptype flow, bool add)
{
int incr;
incr = add ? 1 : -1;
hw->fdir_active_fltr += incr;
if (flow == ICE_FLTR_PTYPE_NONF_NONE || flow >= ICE_FLTR_PTYPE_MAX)
ice_debug(hw, ICE_DBG_SW, "Unknown filter type %d\n", flow);
else
hw->fdir_fltr_cnt[flow] += incr;
}
/**
* ice_cmp_ipv6_addr - compare 2 IP v6 addresses
* @a: IP v6 address
* @b: IP v6 address
*
* Returns 0 on equal, returns non-0 if different
*/
static int ice_cmp_ipv6_addr(__be32 *a, __be32 *b)
{
return memcmp(a, b, 4 * sizeof(__be32));
}
/**
* ice_fdir_comp_rules - compare 2 filters
* @a: a Flow Director filter data structure
* @b: a Flow Director filter data structure
* @v6: bool true if v6 filter
*
* Returns true if the filters match
*/
static bool
ice_fdir_comp_rules(struct ice_fdir_fltr *a, struct ice_fdir_fltr *b, bool v6)
{
enum ice_fltr_ptype flow_type = a->flow_type;
/* The calling function already checks that the two filters have the
* same flow_type.
*/
if (!v6) {
if (flow_type == ICE_FLTR_PTYPE_NONF_IPV4_TCP ||
flow_type == ICE_FLTR_PTYPE_NONF_IPV4_UDP ||
flow_type == ICE_FLTR_PTYPE_NONF_IPV4_SCTP) {
if (a->ip.v4.dst_ip == b->ip.v4.dst_ip &&
a->ip.v4.src_ip == b->ip.v4.src_ip &&
a->ip.v4.dst_port == b->ip.v4.dst_port &&
a->ip.v4.src_port == b->ip.v4.src_port)
return true;
} else if (flow_type == ICE_FLTR_PTYPE_NONF_IPV4_OTHER) {
if (a->ip.v4.dst_ip == b->ip.v4.dst_ip &&
a->ip.v4.src_ip == b->ip.v4.src_ip &&
a->ip.v4.l4_header == b->ip.v4.l4_header &&
a->ip.v4.proto == b->ip.v4.proto &&
a->ip.v4.ip_ver == b->ip.v4.ip_ver &&
a->ip.v4.tos == b->ip.v4.tos)
return true;
}
} else {
if (flow_type == ICE_FLTR_PTYPE_NONF_IPV6_UDP ||
flow_type == ICE_FLTR_PTYPE_NONF_IPV6_TCP ||
flow_type == ICE_FLTR_PTYPE_NONF_IPV6_SCTP) {
if (a->ip.v6.dst_port == b->ip.v6.dst_port &&
a->ip.v6.src_port == b->ip.v6.src_port &&
!ice_cmp_ipv6_addr(a->ip.v6.dst_ip,
b->ip.v6.dst_ip) &&
!ice_cmp_ipv6_addr(a->ip.v6.src_ip,
b->ip.v6.src_ip))
return true;
} else if (flow_type == ICE_FLTR_PTYPE_NONF_IPV6_OTHER) {
if (a->ip.v6.dst_port == b->ip.v6.dst_port &&
a->ip.v6.src_port == b->ip.v6.src_port)
return true;
}
}
return false;
}
/**
* ice_fdir_is_dup_fltr - test if filter is already in list for PF
* @hw: hardware data structure
* @input: Flow Director filter data structure
*
* Returns true if the filter is found in the list
*/
bool ice_fdir_is_dup_fltr(struct ice_hw *hw, struct ice_fdir_fltr *input)
{
struct ice_fdir_fltr *rule;
bool ret = false;
list_for_each_entry(rule, &hw->fdir_list_head, fltr_node) {
enum ice_fltr_ptype flow_type;
if (rule->flow_type != input->flow_type)
continue;
flow_type = input->flow_type;
if (flow_type == ICE_FLTR_PTYPE_NONF_IPV4_TCP ||
flow_type == ICE_FLTR_PTYPE_NONF_IPV4_UDP ||
flow_type == ICE_FLTR_PTYPE_NONF_IPV4_SCTP ||
flow_type == ICE_FLTR_PTYPE_NONF_IPV4_OTHER)
ret = ice_fdir_comp_rules(rule, input, false);
else
ret = ice_fdir_comp_rules(rule, input, true);
if (ret) {
if (rule->fltr_id == input->fltr_id &&
rule->q_index != input->q_index)
ret = false;
else
break;
}
}
return ret;
}
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