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841672258a55defb28b1ca6a35b6ad9830c132cf
vpp/src/plugins/avf/avf_fdir_lib.c
Xinyao Cai 21121f60d2 avf: enable rss action of flow 
This patch enables RSS action of avf flow.

Type: feature

Signed-off-by: Xinyao Cai <xinyao.cai@intel.com>
Change-Id: I65de18d0c2eaa415893959563ea917a6b1956550
2023-03-07 11:38:32 +00:00

910 lines
22 KiB
C
Raw Blame History

/*
*------------------------------------------------------------------
* Copyright (c) 2020 Intel and/or its affiliates.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*------------------------------------------------------------------
*/
#include <vppinfra/mem.h>
#include "avf_advanced_flow.h"
#define AVF_FDIR_IPV6_TC_OFFSET 20
#define AVF_IPV6_TC_MASK (0xFF << AVF_FDIR_IPV6_TC_OFFSET)
#define AVF_FDIR_MAX_QREGION_SIZE 128
/*
* Return the last (most-significant) bit set.
*/
static inline int
fls_u32 (u32 x)
{
return (x == 0) ? 0 : 64 - count_leading_zeros (x);
}
static inline int
ether_addr_is_zero (const struct avf_ether_addr *ea)
{
const u16 *w = (const u16 *) ea;
return (w[0] | w[1] | w[2]) == 0;
}
int
avf_fdir_rcfg_create (struct avf_fdir_conf **rcfg, int tunnel_level, u16 vsi,
u16 nrxq)
{
(*rcfg) = clib_mem_alloc (sizeof (**rcfg));
if ((*rcfg) == NULL)
{
return -1;
}
clib_memset (*rcfg, 0, sizeof (**rcfg));
(*rcfg)->add_fltr.rule_cfg.proto_hdrs.tunnel_level = tunnel_level;
(*rcfg)->vsi = vsi;
(*rcfg)->nb_rx_queues = nrxq;
return 0;
}
int
avf_fdir_rcfg_destroy (struct avf_fdir_conf *rcfg)
{
clib_mem_free (rcfg);
return 0;
}
int
avf_fdir_rcfg_set_hdr (struct avf_fdir_conf *rcfg, int layer,
enum virtchnl_proto_hdr_type hdr)
{
struct virtchnl_proto_hdrs *hdrs;
hdrs = &rcfg->add_fltr.rule_cfg.proto_hdrs;
if (layer >= VIRTCHNL_MAX_NUM_PROTO_HDRS)
return -1;
hdrs->proto_hdr[layer].type = hdr;
return 0;
}
int
avf_fdir_rcfg_set_field (struct avf_fdir_conf *rcfg, int layer,
struct avf_flow_item *item,
struct avf_flow_error *error)
{
const struct avf_ipv4_hdr *ipv4_spec, *ipv4_mask;
const struct avf_ipv6_hdr *ipv6_spec, *ipv6_mask;
const struct avf_udp_hdr *udp_spec, *udp_mask;
const struct avf_tcp_hdr *tcp_spec, *tcp_mask;
const struct avf_sctp_hdr *sctp_spec, *sctp_mask;
const struct avf_gtp_hdr *gtp_spec, *gtp_mask;
const struct avf_gtp_psc_hdr *gtp_psc_spec, *gtp_psc_mask;
const struct avf_l2tpv3oip_hdr *l2tpv3oip_spec, *l2tpv3oip_mask;
const struct avf_esp_hdr *esp_spec, *esp_mask;
const struct avf_ah_hdr *ah_spec, *ah_mask;
const struct avf_pfcp_hdr *pfcp_spec, *pfcp_mask;
const struct avf_flow_eth_hdr *eth_spec, *eth_mask;
struct virtchnl_proto_hdr *hdr;
enum avf_flow_item_type type;
u16 ether_type;
int ret = 0;
u8 ipv6_addr_mask[16] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
hdr = &rcfg->add_fltr.rule_cfg.proto_hdrs.proto_hdr[layer];
type = item->type;
switch (type)
{
case AVF_FLOW_ITEM_TYPE_ETH:
eth_spec = item->spec;
eth_mask = item->mask;
hdr->type = VIRTCHNL_PROTO_HDR_ETH;
if (eth_spec && eth_mask)
{
if (!ether_addr_is_zero (&eth_mask->src) ||
!ether_addr_is_zero (&eth_mask->dst))
{
ret = avf_flow_error_set (error, AVF_FAILURE,
AVF_FLOW_ERROR_TYPE_ITEM, item,
"Invalid MAC_addr mask.");
return ret;
}
if (eth_mask->type)
{
if (eth_mask->type != 0xffff)
{
ret = avf_flow_error_set (error, AVF_FAILURE,
AVF_FLOW_ERROR_TYPE_ITEM, item,
"Invalid type mask.");
return ret;
}
}
}
if (eth_spec && eth_mask && eth_mask->type)
{
ether_type = clib_net_to_host_u16 (eth_spec->type);
if (ether_type == AVF_ETHER_TYPE_IPV4 ||
ether_type == AVF_ETHER_TYPE_IPV6)
{
ret = avf_flow_error_set (error, AVF_FAILURE,
AVF_FLOW_ERROR_TYPE_ITEM, item,
"Unsupported ether_type.");
return ret;
}
rcfg->input_set |= AVF_INSET_ETHERTYPE;
VIRTCHNL_ADD_PROTO_HDR_FIELD_BIT (hdr, ETH, ETHERTYPE);
clib_memcpy (hdr->buffer, eth_spec, sizeof (*eth_spec));
}
break;
case AVF_FLOW_ITEM_TYPE_IPV4:
ipv4_spec = item->spec;
ipv4_mask = item->mask;
hdr->type = VIRTCHNL_PROTO_HDR_IPV4;
if (ipv4_spec && ipv4_mask)
{
if (ipv4_mask->version_ihl || ipv4_mask->total_length ||
ipv4_mask->packet_id || ipv4_mask->fragment_offset ||
ipv4_mask->hdr_checksum)
{
ret = avf_flow_error_set (error, AVF_FAILURE,
AVF_FLOW_ERROR_TYPE_ITEM, item,
"Invalid IPv4 mask.");
return ret;
}
if (ipv4_mask->type_of_service == 0xff)
{
rcfg->input_set |= AVF_INSET_IPV4_TOS;
VIRTCHNL_ADD_PROTO_HDR_FIELD_BIT (hdr, IPV4, DSCP);
}
if (ipv4_mask->next_proto_id == 0xff)
{
rcfg->input_set |= AVF_INSET_IPV4_PROTO;
VIRTCHNL_ADD_PROTO_HDR_FIELD_BIT (hdr, IPV4, PROT);
}
if (ipv4_mask->time_to_live == 0xff)
{
rcfg->input_set |= AVF_INSET_IPV4_TTL;
VIRTCHNL_ADD_PROTO_HDR_FIELD_BIT (hdr, IPV4, TTL);
}
if (ipv4_mask->src_addr == 0xffffffff)
{
rcfg->input_set |= AVF_INSET_IPV4_SRC;
VIRTCHNL_ADD_PROTO_HDR_FIELD_BIT (hdr, IPV4, SRC);
}
if (ipv4_mask->dst_addr == 0xffffffff)
{
rcfg->input_set |= AVF_INSET_IPV4_DST;
VIRTCHNL_ADD_PROTO_HDR_FIELD_BIT (hdr, IPV4, DST);
}
clib_memcpy (hdr->buffer, ipv4_spec, sizeof (*ipv4_spec));
}
break;
case AVF_FLOW_ITEM_TYPE_IPV6:
ipv6_spec = item->spec;
ipv6_mask = item->mask;
hdr->type = VIRTCHNL_PROTO_HDR_IPV6;
if (ipv6_spec && ipv6_mask)
{
if (ipv6_mask->payload_len)
{
ret = avf_flow_error_set (error, AVF_FAILURE,
AVF_FLOW_ERROR_TYPE_ITEM, item,
"Invalid IPv6 mask");
return ret;
}
if ((ipv6_mask->vtc_flow &
clib_host_to_net_u32 (AVF_IPV6_TC_MASK)) ==
(clib_host_to_net_u32 (AVF_IPV6_TC_MASK)))
{
rcfg->input_set |= AVF_INSET_IPV6_TC;
VIRTCHNL_ADD_PROTO_HDR_FIELD_BIT (hdr, IPV6, TC);
}
if (ipv6_mask->proto == 0xff)
{
rcfg->input_set |= AVF_INSET_IPV6_NEXT_HDR;
VIRTCHNL_ADD_PROTO_HDR_FIELD_BIT (hdr, IPV6, PROT);
}
if (ipv6_mask->hop_limits == 0xff)
{
rcfg->input_set |= AVF_INSET_IPV6_HOP_LIMIT;
VIRTCHNL_ADD_PROTO_HDR_FIELD_BIT (hdr, IPV6, HOP_LIMIT);
}
if (!clib_memcmp (ipv6_mask->src_addr, ipv6_addr_mask,
sizeof (ipv6_mask->src_addr)))
{
rcfg->input_set |= AVF_INSET_IPV6_SRC;
VIRTCHNL_ADD_PROTO_HDR_FIELD_BIT (hdr, IPV6, SRC);
}
if (!clib_memcmp (ipv6_mask->dst_addr, ipv6_addr_mask,
sizeof (ipv6_mask->dst_addr)))
{
rcfg->input_set |= AVF_INSET_IPV6_DST;
VIRTCHNL_ADD_PROTO_HDR_FIELD_BIT (hdr, IPV6, DST);
}
clib_memcpy (hdr->buffer, ipv6_spec, sizeof (*ipv6_spec));
}
break;
case AVF_FLOW_ITEM_TYPE_UDP:
udp_spec = item->spec;
udp_mask = item->mask;
hdr->type = VIRTCHNL_PROTO_HDR_UDP;
if (udp_spec && udp_mask)
{
if (udp_mask->dgram_len || udp_mask->dgram_cksum)
{
ret = avf_flow_error_set (error, AVF_FAILURE,
AVF_FLOW_ERROR_TYPE_ITEM, item,
"Invalid UDP mask");
return ret;
};
if (udp_mask->src_port == 0xffff)
{
rcfg->input_set |= AVF_INSET_UDP_SRC_PORT;
VIRTCHNL_ADD_PROTO_HDR_FIELD_BIT (hdr, UDP, SRC_PORT);
}
if (udp_mask->dst_port == 0xffff)
{
rcfg->input_set |= AVF_INSET_UDP_DST_PORT;
VIRTCHNL_ADD_PROTO_HDR_FIELD_BIT (hdr, UDP, DST_PORT);
}
clib_memcpy (hdr->buffer, udp_spec, sizeof (*udp_spec));
}
break;
case AVF_FLOW_ITEM_TYPE_TCP:
tcp_spec = item->spec;
tcp_mask = item->mask;
hdr->type = VIRTCHNL_PROTO_HDR_TCP;
if (tcp_spec && tcp_mask)
{
if (tcp_mask->sent_seq || tcp_mask->recv_ack || tcp_mask->data_off ||
tcp_mask->tcp_flags || tcp_mask->rx_win || tcp_mask->cksum ||
tcp_mask->tcp_urp)
{
ret = avf_flow_error_set (error, AVF_FAILURE,
AVF_FLOW_ERROR_TYPE_ITEM, item,
"Invalid TCP mask");
return ret;
}
if (tcp_mask->src_port == 0xffff)
{
rcfg->input_set |= AVF_INSET_TCP_SRC_PORT;
VIRTCHNL_ADD_PROTO_HDR_FIELD_BIT (hdr, TCP, SRC_PORT);
}
if (tcp_mask->dst_port == 0xffff)
{
rcfg->input_set |= AVF_INSET_TCP_DST_PORT;
VIRTCHNL_ADD_PROTO_HDR_FIELD_BIT (hdr, TCP, DST_PORT);
}
clib_memcpy (hdr->buffer, tcp_spec, sizeof (*tcp_spec));
}
break;
case AVF_FLOW_ITEM_TYPE_SCTP:
sctp_spec = item->spec;
sctp_mask = item->mask;
hdr->type = VIRTCHNL_PROTO_HDR_SCTP;
if (sctp_spec && sctp_mask)
{
if (sctp_mask->cksum)
{
ret = avf_flow_error_set (error, AVF_FAILURE,
AVF_FLOW_ERROR_TYPE_ITEM, item,
"Invalid UDP mask");
return ret;
}
if (sctp_mask->src_port == 0xffff)
{
rcfg->input_set |= AVF_INSET_SCTP_SRC_PORT;
VIRTCHNL_ADD_PROTO_HDR_FIELD_BIT (hdr, SCTP, SRC_PORT);
}
if (sctp_mask->dst_port == 0xffff)
{
rcfg->input_set |= AVF_INSET_SCTP_DST_PORT;
VIRTCHNL_ADD_PROTO_HDR_FIELD_BIT (hdr, SCTP, DST_PORT);
}
clib_memcpy (hdr->buffer, sctp_spec, sizeof (*sctp_spec));
}
break;
case AVF_FLOW_ITEM_TYPE_GTPU:
gtp_spec = item->spec;
gtp_mask = item->mask;
hdr->type = VIRTCHNL_PROTO_HDR_GTPU_IP;
if (gtp_spec && gtp_mask)
{
if (gtp_mask->v_pt_rsv_flags || gtp_mask->msg_type ||
gtp_mask->msg_len)
{
ret = avf_flow_error_set (error, AVF_FAILURE,
AVF_FLOW_ERROR_TYPE_ITEM, item,
"Invalid GTP mask");
return ret;
}
if (gtp_mask->teid == 0xffffffff)
{
rcfg->input_set |= AVF_INSET_GTPU_TEID;
VIRTCHNL_ADD_PROTO_HDR_FIELD_BIT (hdr, GTPU_IP, TEID);
}
clib_memcpy (hdr->buffer, gtp_spec, sizeof (*gtp_spec));
}
break;
case AVF_FLOW_ITEM_TYPE_GTP_PSC:
gtp_psc_spec = item->spec;
gtp_psc_mask = item->mask;
hdr->type = VIRTCHNL_PROTO_HDR_GTPU_EH;
if (gtp_psc_spec && gtp_psc_mask)
{
if (gtp_psc_mask->qfi == 0xff)
{
rcfg->input_set |= AVF_INSET_GTPU_QFI;
VIRTCHNL_ADD_PROTO_HDR_FIELD_BIT (hdr, GTPU_EH, QFI);
}
clib_memcpy (hdr->buffer, gtp_psc_spec, sizeof (*gtp_psc_spec));
}
break;
case AVF_FLOW_ITEM_TYPE_L2TPV3OIP:
l2tpv3oip_spec = item->spec;
l2tpv3oip_mask = item->mask;
hdr->type = VIRTCHNL_PROTO_HDR_L2TPV3;
if (l2tpv3oip_spec && l2tpv3oip_mask)
{
if (l2tpv3oip_mask->session_id == 0xffffffff)
{
rcfg->input_set |= AVF_L2TPV3OIP_SESSION_ID;
VIRTCHNL_ADD_PROTO_HDR_FIELD_BIT (hdr, L2TPV3, SESS_ID);
}
clib_memcpy (hdr->buffer, l2tpv3oip_spec, sizeof (*l2tpv3oip_spec));
}
break;
case AVF_FLOW_ITEM_TYPE_ESP:
esp_spec = item->spec;
esp_mask = item->mask;
hdr->type = VIRTCHNL_PROTO_HDR_ESP;
if (esp_spec && esp_mask)
{
if (esp_mask->spi == 0xffffffff)
{
rcfg->input_set |= AVF_INSET_ESP_SPI;
VIRTCHNL_ADD_PROTO_HDR_FIELD_BIT (hdr, ESP, SPI);
}
clib_memcpy (hdr->buffer, esp_spec, sizeof (*esp_spec));
}
break;
case AVF_FLOW_ITEM_TYPE_AH:
ah_spec = item->spec;
ah_mask = item->mask;
hdr->type = VIRTCHNL_PROTO_HDR_AH;
if (ah_spec && ah_mask)
{
if (ah_mask->spi == 0xffffffff)
{
rcfg->input_set |= AVF_INSET_AH_SPI;
VIRTCHNL_ADD_PROTO_HDR_FIELD_BIT (hdr, AH, SPI);
}
clib_memcpy (hdr->buffer, ah_spec, sizeof (*ah_spec));
}
break;
case AVF_FLOW_ITEM_TYPE_PFCP:
pfcp_spec = item->spec;
pfcp_mask = item->mask;
hdr->type = VIRTCHNL_PROTO_HDR_PFCP;
if (pfcp_spec && pfcp_mask)
{
if (pfcp_mask->s_field == 0xff)
{
rcfg->input_set |= AVF_INSET_PFCP_S_FIELD;
VIRTCHNL_ADD_PROTO_HDR_FIELD_BIT (hdr, PFCP, S_FIELD);
}
clib_memcpy (hdr->buffer, pfcp_spec, sizeof (*pfcp_spec));
}
break;
default:
ret = avf_flow_error_set (error, AVF_FAILURE, AVF_FLOW_ERROR_TYPE_ITEM,
item, "Invalid pattern item.");
return ret;
}
return 0;
}
int
avf_fdir_rcfg_act_queue (struct avf_fdir_conf *rcfg, int queue, int size,
int act_idx)
{
if (act_idx >= VIRTCHNL_MAX_NUM_ACTIONS)
return -AVF_FAILURE;
struct virtchnl_filter_action *filter_action;
filter_action = rcfg->add_fltr.rule_cfg.action_set.actions + act_idx;
filter_action->type = VIRTCHNL_ACTION_QUEUE;
filter_action->act_conf.queue.index = queue;
if (size == 1)
return 0;
else if (is_pow2 (size))
filter_action->act_conf.queue.region = fls_u32 (size) - 1;
return 0;
}
int
avf_fdir_parse_action_qregion (struct avf_fdir_conf *rcfg,
const struct avf_flow_action *act, int act_idx,
struct avf_flow_error *error)
{
const struct avf_flow_action_rss *rss = act->conf;
struct virtchnl_filter_action *filter_action;
u32 i;
int ret;
filter_action = rcfg->add_fltr.rule_cfg.action_set.actions + act_idx;
if (rss->queue_num <= 1)
{
ret = avf_flow_error_set (error, AVF_FAILURE, AVF_FLOW_ERROR_TYPE_ACTION,
act, "Queue region size can't be 0 or 1.");
return ret;
}
/* check if queue index for queue region is continuous */
for (i = 0; i < rss->queue_num - 1; i++)
{
if (rss->queue[i + 1] != rss->queue[i] + 1)
{
ret =
avf_flow_error_set (error, AVF_FAILURE, AVF_FLOW_ERROR_TYPE_ACTION,
act, "Discontinuous queue region");
return ret;
}
}
if (rss->queue[rss->queue_num - 1] >= rcfg->nb_rx_queues)
{
ret = avf_flow_error_set (error, AVF_FAILURE, AVF_FLOW_ERROR_TYPE_ACTION,
act, "Invalid queue region indexes.");
return ret;
}
if (!(is_pow2 (rss->queue_num) &&
rss->queue_num <= AVF_FDIR_MAX_QREGION_SIZE))
{
ret = avf_flow_error_set (error, AVF_FAILURE, AVF_FLOW_ERROR_TYPE_ACTION,
act,
"The region size should be any of the"
"following values: 1, 2, 4, 8, 16, 32"
", 64, 128 as long as the total number of"
"queues do not exceed the VSI allocation");
return ret;
}
filter_action->type = VIRTCHNL_ACTION_Q_REGION;
filter_action->act_conf.queue.index = rss->queue[0];
filter_action->act_conf.queue.region = fls_u32 (rss->queue_num) - 1;
return 0;
}
int
avf_fdir_rcfg_act_drop (struct avf_fdir_conf *rcfg, int act_idx)
{
struct virtchnl_filter_action *filter_action;
if (act_idx >= VIRTCHNL_MAX_NUM_ACTIONS)
return -AVF_FAILURE;
filter_action = rcfg->add_fltr.rule_cfg.action_set.actions + act_idx;
filter_action->type = VIRTCHNL_ACTION_DROP;
return 0;
}
int
avf_fdir_rcfg_act_mark (struct avf_fdir_conf *rcfg, const u32 mark,
int act_idx)
{
struct virtchnl_filter_action *filter_action;
if (act_idx >= VIRTCHNL_MAX_NUM_ACTIONS)
return -AVF_FAILURE;
filter_action = rcfg->add_fltr.rule_cfg.action_set.actions + act_idx;
filter_action->type = VIRTCHNL_ACTION_MARK;
filter_action->act_conf.mark_id = mark;
return 0;
}
int
avf_fdir_rcfg_validate (struct avf_flow_vc_ctx *ctx,
struct avf_fdir_conf *rcfg)
{
int ret;
rcfg->add_fltr.vsi_id = rcfg->vsi;
rcfg->add_fltr.validate_only = 1;
struct virtchnl_fdir_add fdir_ret;
ret =
ctx->vc_op (ctx->vc_hdl, VIRTCHNL_ADV_OP_ADD_FDIR_FILTER, &rcfg->add_fltr,
sizeof (rcfg->add_fltr), &fdir_ret, sizeof (fdir_ret));
if (ret != 0)
{
return ret;
}
if (fdir_ret.status != VIRTCHNL_FDIR_SUCCESS)
{
ret = -fdir_ret.status;
}
return ret;
}
int
avf_fdir_rule_create (struct avf_flow_vc_ctx *ctx, struct avf_fdir_conf *rcfg)
{
int ret;
rcfg->add_fltr.vsi_id = rcfg->vsi;
rcfg->add_fltr.validate_only = 0;
struct virtchnl_fdir_add fdir_ret;
ret =
ctx->vc_op (ctx->vc_hdl, VIRTCHNL_ADV_OP_ADD_FDIR_FILTER, &rcfg->add_fltr,
sizeof (rcfg->add_fltr), &fdir_ret, sizeof (fdir_ret));
if (ret != 0)
{
return ret;
}
rcfg->flow_id = fdir_ret.flow_id;
if (fdir_ret.status != VIRTCHNL_FDIR_SUCCESS)
{
ret = -fdir_ret.status;
}
return ret;
}
int
avf_fdir_rule_destroy (struct avf_flow_vc_ctx *ctx, struct avf_fdir_conf *rcfg)
{
int ret;
struct virtchnl_fdir_del fdir_ret;
rcfg->del_fltr.vsi_id = rcfg->vsi;
rcfg->del_fltr.flow_id = rcfg->flow_id;
ret =
ctx->vc_op (ctx->vc_hdl, VIRTCHNL_ADV_OP_DEL_FDIR_FILTER, &rcfg->del_fltr,
sizeof (rcfg->del_fltr), &fdir_ret, sizeof (fdir_ret));
if (ret != 0)
{
return ret;
}
if (fdir_ret.status != VIRTCHNL_FDIR_SUCCESS)
{
ret = -fdir_ret.status;
}
return ret;
}
int
avf_fdir_parse_action (const struct avf_flow_action actions[],
struct avf_fdir_conf *rcfg,
struct avf_flow_error *error)
{
int act_idx = 0, ret = 0;
u32 dest_num = 0;
u32 mark_num = 0;
u32 act_num;
struct virtchnl_filter_action *filter_action;
const struct avf_flow_action_queue *act_q;
const struct avf_flow_action_mark *act_msk;
struct virtchnl_fdir_rule *rule_cfg = &rcfg->add_fltr.rule_cfg;
for (; actions->type != AVF_FLOW_ACTION_TYPE_END; actions++, act_idx++)
{
switch (actions->type)
{
case AVF_FLOW_ACTION_TYPE_PASSTHRU:
dest_num++;
filter_action = &rule_cfg->action_set.actions[act_idx];
filter_action->type = VIRTCHNL_ACTION_PASSTHRU;
rule_cfg->action_set.count++;
break;
case AVF_FLOW_ACTION_TYPE_DROP:
dest_num++;
ret = avf_fdir_rcfg_act_drop (rcfg, act_idx);
if (ret)
return ret;
rule_cfg->action_set.count++;
break;
case AVF_FLOW_ACTION_TYPE_QUEUE:
dest_num++;
act_q = actions->conf;
if (act_q->index >= rcfg->nb_rx_queues)
{
ret = avf_flow_error_set (error, AVF_FAILURE,
AVF_FLOW_ERROR_TYPE_ACTION, actions,
"Invalid queue for FDIR.");
return -AVF_FAILURE;
}
ret = avf_fdir_rcfg_act_queue (rcfg, act_q->index, 1, act_idx);
if (ret)
return ret;
rule_cfg->action_set.count++;
break;
case AVF_FLOW_ACTION_TYPE_RSS:
dest_num++;
filter_action = &rule_cfg->action_set.actions[act_idx];
ret = avf_fdir_parse_action_qregion (rcfg, actions, act_idx, error);
if (ret)
return ret;
rule_cfg->action_set.count++;
break;
case AVF_FLOW_ACTION_TYPE_MARK:
mark_num++;
act_msk = actions->conf;
rcfg->mark_flag = 1;
ret = avf_fdir_rcfg_act_mark (rcfg, act_msk->id, act_idx);
if (ret)
return ret;
rule_cfg->action_set.count++;
break;
default:
ret =
avf_flow_error_set (error, AVF_FAILURE, AVF_FLOW_ERROR_TYPE_ACTION,
actions, "Invalid action.");
return ret;
}
}
if (dest_num >= 2)
{
ret = avf_flow_error_set (error, AVF_FAILURE, AVF_FLOW_ERROR_TYPE_ACTION,
actions, "Unsupported action combination");
return ret;
}
if (mark_num >= 2)
{
ret = avf_flow_error_set (error, AVF_FAILURE, AVF_FLOW_ERROR_TYPE_ACTION,
actions, "Too many mark actions");
return ret;
}
if (dest_num + mark_num == 0)
{
ret = avf_flow_error_set (error, AVF_FAILURE, AVF_FLOW_ERROR_TYPE_ACTION,
actions, "Empty action");
return ret;
}
/* Mark only is equal to mark + passthru. */
act_num = rule_cfg->action_set.count;
if (dest_num == 0)
{
filter_action = &rule_cfg->action_set.actions[act_num];
filter_action->type = VIRTCHNL_ACTION_PASSTHRU;
rule_cfg->action_set.count = ++act_num;
}
return ret;
}
int
avf_fdir_parse_generic_pattern (struct avf_fdir_conf *rcfg,
struct avf_flow_item avf_items[],
struct avf_flow_error *error)
{
struct avf_flow_item *item = avf_items;
u8 *pkt_buf, *msk_buf;
u16 spec_len, pkt_len;
spec_len = clib_strnlen (item->spec, VIRTCHNL_MAX_SIZE_GEN_PACKET);
pkt_len = spec_len / 2;
pkt_buf = clib_mem_alloc (pkt_len);
msk_buf = clib_mem_alloc (pkt_len);
avf_parse_generic_pattern (item, pkt_buf, msk_buf, spec_len);
clib_memcpy (rcfg->add_fltr.rule_cfg.proto_hdrs.raw.spec, pkt_buf, pkt_len);
clib_memcpy (rcfg->add_fltr.rule_cfg.proto_hdrs.raw.mask, msk_buf, pkt_len);
rcfg->add_fltr.rule_cfg.proto_hdrs.count = 0;
rcfg->add_fltr.rule_cfg.proto_hdrs.tunnel_level = 0;
rcfg->add_fltr.rule_cfg.proto_hdrs.raw.pkt_len = pkt_len;
clib_mem_free (pkt_buf);
clib_mem_free (msk_buf);
return 0;
}
int
avf_fdir_parse_pattern (struct avf_fdir_conf *rcfg,
struct avf_flow_item avf_items[],
struct avf_flow_error *error)
{
int layer = 0;
int ret = 0;
struct avf_flow_item *item;
for (item = avf_items; item->type != AVF_FLOW_ITEM_TYPE_END; item++)
{
ret = avf_fdir_rcfg_set_field (rcfg, layer, item, error);
if (ret)
return ret;
rcfg->add_fltr.rule_cfg.proto_hdrs.count = ++layer;
}
return ret;
}
int
avf_flow_error_set (struct avf_flow_error *error, int code,
enum avf_flow_error_type type, const void *cause,
const char *message)
{
if (error)
{
*error = (struct avf_flow_error){
.type = type,
.cause = cause,
.message = message,
};
}
return code;
}
char *
avf_fdir_prgm_error_decode (int err_no)
{
enum virtchnl_fdir_prgm_status status;
char *s = NULL;
err_no = -err_no;
if (err_no >= VIRTCHNL_FDIR_FAILURE_MAX)
return "Failed to program the rule due to other reasons";
status = (enum virtchnl_fdir_prgm_status) err_no;
switch (status)
{
case VIRTCHNL_FDIR_SUCCESS:
s = "Succeed in programming rule request by PF";
break;
case VIRTCHNL_FDIR_FAILURE_RULE_NORESOURCE:
s = "Failed to add rule request due to no hardware resource";
break;
case VIRTCHNL_FDIR_FAILURE_RULE_EXIST:
s = "Failed to add rule request due to the rule is already existed";
break;
case VIRTCHNL_FDIR_FAILURE_RULE_CONFLICT:
s = "Failed to add rule request due to the rule is conflict with "
"existing rule";
break;
case VIRTCHNL_FDIR_FAILURE_RULE_NONEXIST:
s = "Failed to delete rule request due to this rule doesn't exist";
break;
case VIRTCHNL_FDIR_FAILURE_RULE_INVALID:
s = "Failed to add rule request due to the hardware doesn't support";
break;
case VIRTCHNL_FDIR_FAILURE_RULE_TIMEOUT:
s = "Failed to add rule request due to time out for programming";
break;
case VIRTCHNL_FDIR_FAILURE_QUERY_INVALID:
s = "Succeed in programming rule request by PF";
break;
default:
s = "Failed to program the rule due to other reasons";
break;
}
return s;
}
/*
* fd.io coding-style-patch-verification: ON
*
* Local Variables:
* eval: (c-set-style "gnu")
* End:
*/
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