#include <rte_flow.h>
#include <rte_flow_driver.h>
#include <rte_malloc.h>
+#include <rte_ip.h>
#include "mlx5.h"
+#include "mlx5_defs.h"
#include "mlx5_prm.h"
/* Define minimal priority for control plane flows. */
uint8_t rss_key[40]; /**< copy of the RSS key. */
struct ibv_counter_set *cs; /**< Holds the counters for the rule. */
struct mlx5_flow_counter_stats counter_stats;/**<The counter stats. */
- union {
- struct mlx5_flow frxq[RTE_DIM(hash_rxq_init)];
- /**< Flow with Rx queue. */
- struct mlx5_flow_drop drxq; /**< Flow with drop Rx queue. */
- };
+ struct mlx5_flow frxq[RTE_DIM(hash_rxq_init)];
+ /**< Flow with Rx queue. */
};
/** Static initializer for items. */
/** Structure to pass to the conversion function. */
struct mlx5_flow_parse {
uint32_t inner; /**< Set once VXLAN is encountered. */
+ uint32_t allmulti:1; /**< Set once allmulti dst MAC is encountered. */
uint32_t create:1;
/**< Whether resources should remain after a validate. */
uint32_t drop:1; /**< Target is a drop queue. */
uint8_t rss_key[40]; /**< copy of the RSS key. */
enum hash_rxq_type layer; /**< Last pattern layer detected. */
struct ibv_counter_set *cs; /**< Holds the counter set for the rule */
- union {
- struct {
- struct ibv_flow_attr *ibv_attr;
- /**< Pointer to Verbs attributes. */
- unsigned int offset;
- /**< Current position or total size of the attribute. */
- } queue[RTE_DIM(hash_rxq_init)];
- struct {
- struct ibv_flow_attr *ibv_attr;
- /**< Pointer to Verbs attributes. */
- unsigned int offset;
- /**< Current position or total size of the attribute. */
- } drop_q;
- };
+ struct {
+ struct ibv_flow_attr *ibv_attr;
+ /**< Pointer to Verbs attributes. */
+ unsigned int offset;
+ /**< Current position or total size of the attribute. */
+ } queue[RTE_DIM(hash_rxq_init)];
};
static const struct rte_flow_ops mlx5_flow_ops = {
struct rte_flow_action actions[2];
struct rte_flow_item items[4];
struct rte_flow_item_eth l2;
+ struct rte_flow_item_eth l2_mask;
union {
struct rte_flow_item_ipv4 ipv4;
struct rte_flow_item_ipv6 ipv6;
struct mlx5_flow_parse *parser,
const struct rte_eth_rss_conf *rss_conf)
{
- const struct rte_eth_rss_conf *rss =
- rss_conf ? rss_conf : &priv->rss_conf;
+ const struct rte_eth_rss_conf *rss;
+ if (rss_conf) {
+ if (rss_conf->rss_hf & MLX5_RSS_HF_MASK)
+ return EINVAL;
+ rss = rss_conf;
+ } else {
+ rss = &priv->rss_conf;
+ }
if (rss->rss_key_len > 40)
return EINVAL;
parser->rss_conf.rss_key_len = rss->rss_key_len;
} else if (actions->type == RTE_FLOW_ACTION_TYPE_FLAG) {
parser->mark = 1;
} else if (actions->type == RTE_FLOW_ACTION_TYPE_COUNT &&
- priv->counter_set_supported) {
+ priv->config.flow_counter_en) {
parser->count = 1;
} else {
goto exit_action_not_supported;
(void)priv;
/* Initialise the offsets to start after verbs attribute. */
- if (parser->drop) {
- parser->drop_q.offset = sizeof(struct ibv_flow_attr);
- } else {
- for (i = 0; i != hash_rxq_init_n; ++i)
- parser->queue[i].offset = sizeof(struct ibv_flow_attr);
- }
+ for (i = 0; i != hash_rxq_init_n; ++i)
+ parser->queue[i].offset = sizeof(struct ibv_flow_attr);
for (; items->type != RTE_FLOW_ITEM_TYPE_END; ++items) {
const struct mlx5_flow_items *token = NULL;
unsigned int n;
" VXLAN encapsulations");
return -rte_errno;
}
- parser->inner = 1;
+ parser->inner = IBV_FLOW_SPEC_INNER;
}
- if (parser->drop) {
- parser->drop_q.offset += cur_item->dst_sz;
- } else if (parser->queues_n == 1) {
+ if (parser->drop || parser->queues_n == 1) {
parser->queue[HASH_RXQ_ETH].offset += cur_item->dst_sz;
} else {
for (n = 0; n != hash_rxq_init_n; ++n)
parser->queue[n].offset += cur_item->dst_sz;
}
}
+ if (parser->drop) {
+ parser->queue[HASH_RXQ_ETH].offset +=
+ sizeof(struct ibv_flow_spec_action_drop);
+ }
if (parser->mark) {
for (i = 0; i != hash_rxq_init_n; ++i)
parser->queue[i].offset +=
if (parser->count) {
unsigned int size = sizeof(struct ibv_flow_spec_counter_action);
- if (parser->drop) {
- parser->drop_q.offset += size;
- } else {
- for (i = 0; i != hash_rxq_init_n; ++i)
- parser->queue[i].offset += size;
- }
+ for (i = 0; i != hash_rxq_init_n; ++i)
+ parser->queue[i].offset += size;
}
return 0;
exit_item_not_supported:
if (hash_rxq_init[i].ip_version == MLX5_IPV4) {
size = sizeof(struct ibv_flow_spec_ipv4_ext);
specs.ipv4 = (struct ibv_flow_spec_ipv4_ext){
- .type = IBV_FLOW_SPEC_IPV4_EXT |
- parser->inner,
+ .type = IBV_FLOW_SPEC_IPV4_EXT,
.size = size,
};
} else {
size = sizeof(struct ibv_flow_spec_ipv6);
specs.ipv6 = (struct ibv_flow_spec_ipv6){
- .type = IBV_FLOW_SPEC_IPV6 |
- parser->inner,
+ .type = IBV_FLOW_SPEC_IPV6,
.size = size,
};
}
.type = ((i == HASH_RXQ_UDPV4 ||
i == HASH_RXQ_UDPV6) ?
IBV_FLOW_SPEC_UDP :
- IBV_FLOW_SPEC_TCP) |
- parser->inner,
+ IBV_FLOW_SPEC_TCP),
.size = size,
};
if (parser->queue[i].ibv_attr) {
* Second step.
* Allocate the memory space to store verbs specifications.
*/
- if (parser->drop) {
- parser->drop_q.ibv_attr =
- priv_flow_convert_allocate(priv, attr->priority,
- parser->drop_q.offset,
- error);
- if (!parser->drop_q.ibv_attr)
- return ENOMEM;
- parser->drop_q.offset = sizeof(struct ibv_flow_attr);
- } else if (parser->queues_n == 1) {
+ if (parser->drop || parser->queues_n == 1) {
unsigned int priority =
attr->priority +
hash_rxq_init[HASH_RXQ_ETH].flow_priority;
cur_item->mask),
parser);
if (ret) {
- rte_flow_error_set(error, ENOTSUP,
+ rte_flow_error_set(error, ret,
RTE_FLOW_ERROR_TYPE_ITEM,
items, "item not supported");
goto exit_free;
*/
if (parser->queues_n > 1) {
priv_flow_convert_finalise(priv, parser);
- } else if (!parser->drop) {
+ } else {
/*
* Action queue have their priority overridden with
* Ethernet priority, this priority needs to be adjusted to
exit_free:
/* Only verification is expected, all resources should be released. */
if (!parser->create) {
- if (parser->drop) {
- rte_free(parser->drop_q.ibv_attr);
- parser->drop_q.ibv_attr = NULL;
- }
for (i = 0; i != hash_rxq_init_n; ++i) {
if (parser->queue[i].ibv_attr) {
rte_free(parser->queue[i].ibv_attr);
}
}
}
+ if (parser->allmulti &&
+ parser->layer == HASH_RXQ_ETH) {
+ for (i = 0; i != hash_rxq_init_n; ++i) {
+ if (!parser->queue[i].ibv_attr)
+ continue;
+ if (parser->queue[i].ibv_attr->num_of_specs != 1)
+ break;
+ parser->queue[i].ibv_attr->type =
+ IBV_FLOW_ATTR_MC_DEFAULT;
+ }
+ }
return ret;
exit_enomem:
for (i = 0; i != hash_rxq_init_n; ++i) {
unsigned int i;
void *dst;
- if (parser->drop) {
- dst = (void *)((uintptr_t)parser->drop_q.ibv_attr +
- parser->drop_q.offset);
- memcpy(dst, src, size);
- ++parser->drop_q.ibv_attr->num_of_specs;
- parser->drop_q.offset += size;
- return;
- }
for (i = 0; i != hash_rxq_init_n; ++i) {
if (!parser->queue[i].ibv_attr)
continue;
.size = eth_size,
};
- parser->layer = HASH_RXQ_ETH;
+ /* Don't update layer for the inner pattern. */
+ if (!parser->inner)
+ parser->layer = HASH_RXQ_ETH;
if (spec) {
unsigned int i;
eth.val.ether_type &= eth.mask.ether_type;
}
mlx5_flow_create_copy(parser, ð, eth_size);
+ parser->allmulti = eth.val.dst_mac[0] & 1;
return 0;
}
if (!mask)
mask = default_mask;
- if (parser->drop) {
- eth = (void *)((uintptr_t)parser->drop_q.ibv_attr +
- parser->drop_q.offset - eth_size);
- eth->val.vlan_tag = spec->tci;
- eth->mask.vlan_tag = mask->tci;
- eth->val.vlan_tag &= eth->mask.vlan_tag;
- return 0;
- }
for (i = 0; i != hash_rxq_init_n; ++i) {
if (!parser->queue[i].ibv_attr)
continue;
.size = ipv4_size,
};
- parser->layer = HASH_RXQ_IPV4;
+ /* Don't update layer for the inner pattern. */
+ if (!parser->inner)
+ parser->layer = HASH_RXQ_IPV4;
if (spec) {
if (!mask)
mask = default_mask;
.size = ipv6_size,
};
- parser->layer = HASH_RXQ_IPV6;
+ /* Don't update layer for the inner pattern. */
+ if (!parser->inner)
+ parser->layer = HASH_RXQ_IPV6;
if (spec) {
unsigned int i;
+ uint32_t vtc_flow_val;
+ uint32_t vtc_flow_mask;
if (!mask)
mask = default_mask;
RTE_DIM(ipv6.mask.src_ip));
memcpy(&ipv6.mask.dst_ip, mask->hdr.dst_addr,
RTE_DIM(ipv6.mask.dst_ip));
- ipv6.mask.flow_label = mask->hdr.vtc_flow;
+ vtc_flow_val = rte_be_to_cpu_32(spec->hdr.vtc_flow);
+ vtc_flow_mask = rte_be_to_cpu_32(mask->hdr.vtc_flow);
+ ipv6.val.flow_label =
+ rte_cpu_to_be_32((vtc_flow_val & IPV6_HDR_FL_MASK) >>
+ IPV6_HDR_FL_SHIFT);
+ ipv6.val.traffic_class = (vtc_flow_val & IPV6_HDR_TC_MASK) >>
+ IPV6_HDR_TC_SHIFT;
+ ipv6.val.next_hdr = spec->hdr.proto;
+ ipv6.val.hop_limit = spec->hdr.hop_limits;
+ ipv6.mask.flow_label =
+ rte_cpu_to_be_32((vtc_flow_mask & IPV6_HDR_FL_MASK) >>
+ IPV6_HDR_FL_SHIFT);
+ ipv6.mask.traffic_class = (vtc_flow_mask & IPV6_HDR_TC_MASK) >>
+ IPV6_HDR_TC_SHIFT;
ipv6.mask.next_hdr = mask->hdr.proto;
ipv6.mask.hop_limit = mask->hdr.hop_limits;
/* Remove unwanted bits from values. */
ipv6.val.dst_ip[i] &= ipv6.mask.dst_ip[i];
}
ipv6.val.flow_label &= ipv6.mask.flow_label;
+ ipv6.val.traffic_class &= ipv6.mask.traffic_class;
ipv6.val.next_hdr &= ipv6.mask.next_hdr;
ipv6.val.hop_limit &= ipv6.mask.hop_limit;
}
.size = udp_size,
};
- if (parser->layer == HASH_RXQ_IPV4)
- parser->layer = HASH_RXQ_UDPV4;
- else
- parser->layer = HASH_RXQ_UDPV6;
+ /* Don't update layer for the inner pattern. */
+ if (!parser->inner) {
+ if (parser->layer == HASH_RXQ_IPV4)
+ parser->layer = HASH_RXQ_UDPV4;
+ else
+ parser->layer = HASH_RXQ_UDPV6;
+ }
if (spec) {
if (!mask)
mask = default_mask;
.size = tcp_size,
};
- if (parser->layer == HASH_RXQ_IPV4)
- parser->layer = HASH_RXQ_TCPV4;
- else
- parser->layer = HASH_RXQ_TCPV6;
+ /* Don't update layer for the inner pattern. */
+ if (!parser->inner) {
+ if (parser->layer == HASH_RXQ_IPV4)
+ parser->layer = HASH_RXQ_TCPV4;
+ else
+ parser->layer = HASH_RXQ_TCPV6;
+ }
if (spec) {
if (!mask)
mask = default_mask;
/* Remove unwanted bits from values. */
vxlan.val.tunnel_id &= vxlan.mask.tunnel_id;
}
+ /*
+ * Tunnel id 0 is equivalent as not adding a VXLAN layer, if only this
+ * layer is defined in the Verbs specification it is interpreted as
+ * wildcard and all packets will match this rule, if it follows a full
+ * stack layer (ex: eth / ipv4 / udp), all packets matching the layers
+ * before will also match this rule.
+ * To avoid such situation, VNI 0 is currently refused.
+ */
+ if (!vxlan.val.tunnel_id)
+ return EINVAL;
mlx5_flow_create_copy(parser, &vxlan, size);
return 0;
}
assert(priv->pd);
assert(priv->ctx);
flow->drop = 1;
- drop = (void *)((uintptr_t)parser->drop_q.ibv_attr +
- parser->drop_q.offset);
+ drop = (void *)((uintptr_t)parser->queue[HASH_RXQ_ETH].ibv_attr +
+ parser->queue[HASH_RXQ_ETH].offset);
*drop = (struct ibv_flow_spec_action_drop){
.type = IBV_FLOW_SPEC_ACTION_DROP,
.size = size,
};
- ++parser->drop_q.ibv_attr->num_of_specs;
- parser->drop_q.offset += size;
- flow->drxq.ibv_attr = parser->drop_q.ibv_attr;
- if (!priv->dev->data->dev_started)
- return 0;
- parser->drop_q.ibv_attr = NULL;
- flow->drxq.ibv_flow = ibv_create_flow(priv->flow_drop_queue->qp,
- flow->drxq.ibv_attr);
+ ++parser->queue[HASH_RXQ_ETH].ibv_attr->num_of_specs;
+ parser->queue[HASH_RXQ_ETH].offset += size;
+ flow->frxq[HASH_RXQ_ETH].ibv_attr =
+ parser->queue[HASH_RXQ_ETH].ibv_attr;
if (parser->count)
flow->cs = parser->cs;
- if (!flow->drxq.ibv_flow) {
+ if (!priv->dev->data->dev_started)
+ return 0;
+ parser->queue[HASH_RXQ_ETH].ibv_attr = NULL;
+ flow->frxq[HASH_RXQ_ETH].ibv_flow =
+ ibv_create_flow(priv->flow_drop_queue->qp,
+ flow->frxq[HASH_RXQ_ETH].ibv_attr);
+ if (!flow->frxq[HASH_RXQ_ETH].ibv_flow) {
rte_flow_error_set(error, ENOMEM, RTE_FLOW_ERROR_TYPE_HANDLE,
NULL, "flow rule creation failure");
err = ENOMEM;
return 0;
error:
assert(flow);
- if (flow->drxq.ibv_flow) {
- claim_zero(ibv_destroy_flow(flow->drxq.ibv_flow));
- flow->drxq.ibv_flow = NULL;
+ if (flow->frxq[HASH_RXQ_ETH].ibv_flow) {
+ claim_zero(ibv_destroy_flow(flow->frxq[HASH_RXQ_ETH].ibv_flow));
+ flow->frxq[HASH_RXQ_ETH].ibv_flow = NULL;
}
- if (flow->drxq.ibv_attr) {
- rte_free(flow->drxq.ibv_attr);
- flow->drxq.ibv_attr = NULL;
+ if (flow->frxq[HASH_RXQ_ETH].ibv_attr) {
+ rte_free(flow->frxq[HASH_RXQ_ETH].ibv_attr);
+ flow->frxq[HASH_RXQ_ETH].ibv_attr = NULL;
}
if (flow->cs) {
claim_zero(ibv_destroy_counter_set(flow->cs));
parser->rss_conf.rss_key_len,
hash_fields,
parser->queues,
- hash_fields ? parser->queues_n : 1);
+ parser->queues_n);
if (flow->frxq[i].hrxq)
continue;
flow->frxq[i].hrxq =
parser->rss_conf.rss_key_len,
hash_fields,
parser->queues,
- hash_fields ? parser->queues_n : 1);
+ parser->queues_n);
if (!flow->frxq[i].hrxq) {
rte_flow_error_set(error, ENOMEM,
RTE_FLOW_ERROR_TYPE_HANDLE,
flow->queues = (uint16_t (*)[])(flow + 1);
memcpy(flow->queues, parser.queues, parser.queues_n * sizeof(uint16_t));
flow->queues_n = parser.queues_n;
+ flow->mark = parser.mark;
/* Copy RSS configuration. */
flow->rss_conf = parser.rss_conf;
flow->rss_conf.rss_key = flow->rss_key;
DEBUG("Flow created %p", (void *)flow);
return flow;
exit:
- if (parser.drop) {
- rte_free(parser.drop_q.ibv_attr);
- } else {
- for (i = 0; i != hash_rxq_init_n; ++i) {
- if (parser.queue[i].ibv_attr)
- rte_free(parser.queue[i].ibv_attr);
- }
+ for (i = 0; i != hash_rxq_init_n; ++i) {
+ if (parser.queue[i].ibv_attr)
+ rte_free(parser.queue[i].ibv_attr);
}
rte_free(flow);
return NULL;
{
unsigned int i;
- if (flow->cs) {
- claim_zero(ibv_destroy_counter_set(flow->cs));
- flow->cs = NULL;
- }
if (flow->drop || !flow->mark)
goto free;
for (i = 0; i != flow->queues_n; ++i) {
}
free:
if (flow->drop) {
- if (flow->drxq.ibv_flow)
- claim_zero(ibv_destroy_flow(flow->drxq.ibv_flow));
- rte_free(flow->drxq.ibv_attr);
+ if (flow->frxq[HASH_RXQ_ETH].ibv_flow)
+ claim_zero(ibv_destroy_flow
+ (flow->frxq[HASH_RXQ_ETH].ibv_flow));
+ rte_free(flow->frxq[HASH_RXQ_ETH].ibv_attr);
} else {
for (i = 0; i != hash_rxq_init_n; ++i) {
struct mlx5_flow *frxq = &flow->frxq[i];
rte_free(frxq->ibv_attr);
}
}
+ if (flow->cs) {
+ claim_zero(ibv_destroy_counter_set(flow->cs));
+ flow->cs = NULL;
+ }
TAILQ_REMOVE(list, flow, next);
DEBUG("Flow destroyed %p", (void *)flow);
rte_free(flow);
unsigned int i;
if (flow->drop) {
- if (!flow->drxq.ibv_flow)
+ if (!flow->frxq[HASH_RXQ_ETH].ibv_flow)
continue;
- claim_zero(ibv_destroy_flow(flow->drxq.ibv_flow));
- flow->drxq.ibv_flow = NULL;
+ claim_zero(ibv_destroy_flow
+ (flow->frxq[HASH_RXQ_ETH].ibv_flow));
+ flow->frxq[HASH_RXQ_ETH].ibv_flow = NULL;
/* Next flow. */
continue;
}
unsigned int i;
if (flow->drop) {
- flow->drxq.ibv_flow =
- ibv_create_flow(priv->flow_drop_queue->qp,
- flow->drxq.ibv_attr);
- if (!flow->drxq.ibv_flow) {
+ flow->frxq[HASH_RXQ_ETH].ibv_flow =
+ ibv_create_flow
+ (priv->flow_drop_queue->qp,
+ flow->frxq[HASH_RXQ_ETH].ibv_attr);
+ if (!flow->frxq[HASH_RXQ_ETH].ibv_flow) {
DEBUG("Flow %p cannot be applied",
(void *)flow);
rte_errno = EINVAL;
attributes->items[0] = (struct rte_flow_item) {
.type = RTE_FLOW_ITEM_TYPE_ETH,
.spec = &attributes->l2,
+ .mask = &attributes->l2_mask,
};
switch (fdir_filter->action.behavior) {
case RTE_ETH_FDIR_ACCEPT:
.spec = &attributes->l3,
};
attributes->items[2] = (struct rte_flow_item){
- .type = RTE_FLOW_ITEM_TYPE_UDP,
+ .type = RTE_FLOW_ITEM_TYPE_TCP,
.spec = &attributes->l4,
};
break;
{
struct mlx5_fdir attributes = {
.attr.group = 0,
+ .l2_mask = {
+ .dst.addr_bytes = "\x00\x00\x00\x00\x00\x00",
+ .src.addr_bytes = "\x00\x00\x00\x00\x00\x00",
+ .type = 0,
+ },
};
struct mlx5_flow_parse parser = {
.layer = HASH_RXQ_ETH,
attributes.actions,
&error);
if (flow) {
- TAILQ_INSERT_TAIL(&priv->flows, flow, next);
DEBUG("FDIR created %p", (void *)flow);
return 0;
}
priv_fdir_filter_delete(struct priv *priv,
const struct rte_eth_fdir_filter *fdir_filter)
{
- struct mlx5_fdir attributes;
+ struct mlx5_fdir attributes = {
+ .attr.group = 0,
+ };
struct mlx5_flow_parse parser = {
.create = 1,
.layer = HASH_RXQ_ETH,
attributes.actions, &error, &parser);
if (ret)
goto exit;
+ /*
+ * Special case for drop action which is only set in the
+ * specifications when the flow is created. In this situation the
+ * drop specification is missing.
+ */
+ if (parser.drop) {
+ struct ibv_flow_spec_action_drop *drop;
+
+ drop = (void *)((uintptr_t)parser.queue[HASH_RXQ_ETH].ibv_attr +
+ parser.queue[HASH_RXQ_ETH].offset);
+ *drop = (struct ibv_flow_spec_action_drop){
+ .type = IBV_FLOW_SPEC_ACTION_DROP,
+ .size = sizeof(struct ibv_flow_spec_action_drop),
+ };
+ parser.queue[HASH_RXQ_ETH].ibv_attr->num_of_specs++;
+ }
TAILQ_FOREACH(flow, &priv->flows, next) {
struct ibv_flow_attr *attr;
struct ibv_spec_header *attr_h;
void *flow_spec;
unsigned int specs_n;
- if (parser.drop)
- attr = parser.drop_q.ibv_attr;
- else
- attr = parser.queue[HASH_RXQ_ETH].ibv_attr;
- if (flow->drop)
- flow_attr = flow->drxq.ibv_attr;
- else
- flow_attr = flow->frxq[HASH_RXQ_ETH].ibv_attr;
+ attr = parser.queue[HASH_RXQ_ETH].ibv_attr;
+ flow_attr = flow->frxq[HASH_RXQ_ETH].ibv_attr;
/* Compare first the attributes. */
if (memcmp(attr, flow_attr, sizeof(struct ibv_flow_attr)))
continue;
flow_h = flow_spec;
if (memcmp(spec, flow_spec,
RTE_MIN(attr_h->size, flow_h->size)))
- continue;
- spec = (void *)((uintptr_t)attr + attr_h->size);
- flow_spec = (void *)((uintptr_t)flow_attr +
+ goto wrong_flow;
+ spec = (void *)((uintptr_t)spec + attr_h->size);
+ flow_spec = (void *)((uintptr_t)flow_spec +
flow_h->size);
}
/* At this point, the flow match. */
break;
+wrong_flow:
+ /* The flow does not match. */
+ continue;
}
if (flow)
priv_flow_destroy(priv, &priv->flows, flow);
exit:
- if (parser.drop) {
- rte_free(parser.drop_q.ibv_attr);
- } else {
- for (i = 0; i != hash_rxq_init_n; ++i) {
- if (parser.queue[i].ibv_attr)
- rte_free(parser.queue[i].ibv_attr);
- }
+ for (i = 0; i != hash_rxq_init_n; ++i) {
+ if (parser.queue[i].ibv_attr)
+ rte_free(parser.queue[i].ibv_attr);
}
return -ret;
}
git.droids-corp.org / dpdk.git / blobdiff