* [dpdk-dev] [PATCH] ip_pipeline: Fix compile issue with strict-aliasing
@ 2015-12-09 8:40 Michael Qiu
2015-12-09 8:41 ` Qiu, Michael
0 siblings, 1 reply; 2+ messages in thread
From: Michael Qiu @ 2015-12-09 8:40 UTC (permalink / raw)
To: dev; +Cc: root
From: root <root@localhost.localdomain>
strict-aliasing
Signed-off-by: Michael Qiu <michael.qiu@intel.com>
---
.../ip_pipeline/pipeline/pipeline_routing_be.c | 11 ++++-------
1 files changed, 4 insertions(+), 7 deletions(-)
diff --git a/examples/ip_pipeline/pipeline/pipeline_routing_be.c b/examples/ip_pipeline/pipeline/pipeline_routing_be.c
index 4a95c7d..9baabd0 100644
--- a/examples/ip_pipeline/pipeline/pipeline_routing_be.c
+++ b/examples/ip_pipeline/pipeline/pipeline_routing_be.c
@@ -1461,8 +1461,7 @@ pipeline_routing_msg_req_route_add_handler(struct pipeline *p, void *msg)
uint64_t macaddr_dst;
uint64_t ethertype = ETHER_TYPE_IPv4;
- *((struct ether_addr *) &macaddr_dst) =
- req->data.ethernet.macaddr;
+ macaddr_dst = *((uint64_t *)&(req->data.ethernet.macaddr));
macaddr_dst = rte_bswap64(macaddr_dst << 16);
entry_arp0.slab[0] =
@@ -1503,8 +1502,7 @@ pipeline_routing_msg_req_route_add_handler(struct pipeline *p, void *msg)
uint64_t svlan = req->data.l2.qinq.svlan;
uint64_t cvlan = req->data.l2.qinq.cvlan;
- *((struct ether_addr *) &macaddr_dst) =
- req->data.ethernet.macaddr;
+ macaddr_dst = *((uint64_t *)&(req->data.ethernet.macaddr));
macaddr_dst = rte_bswap64(macaddr_dst << 16);
entry_arp0.slab[0] = rte_bswap64((svlan << 48) |
@@ -1563,8 +1561,7 @@ pipeline_routing_msg_req_route_add_handler(struct pipeline *p, void *msg)
uint64_t label3 = req->data.l2.mpls.labels[3];
uint32_t n_labels = req->data.l2.mpls.n_labels;
- *((struct ether_addr *) &macaddr_dst) =
- req->data.ethernet.macaddr;
+ macaddr_dst = *((uint64_t *)&(req->data.ethernet.macaddr));
macaddr_dst = rte_bswap64(macaddr_dst << 16);
switch (n_labels) {
@@ -1814,7 +1811,7 @@ pipeline_routing_msg_req_arp_add_handler(struct pipeline *p, void *msg)
return rsp;
}
- *((struct ether_addr *) &entry.macaddr) = req->macaddr;
+ entry.macaddr = *((uint64_t *)&(req->macaddr));
entry.macaddr = entry.macaddr << 16;
rsp->status = rte_pipeline_table_entry_add(p->p,
--
1.7.1
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: [dpdk-dev] [PATCH] ip_pipeline: Fix compile issue with strict-aliasing
2015-12-09 8:40 [dpdk-dev] [PATCH] ip_pipeline: Fix compile issue with strict-aliasing Michael Qiu
@ 2015-12-09 8:41 ` Qiu, Michael
0 siblings, 0 replies; 2+ messages in thread
From: Qiu, Michael @ 2015-12-09 8:41 UTC (permalink / raw)
To: dev; +Cc: root
Sorry please ignore this :)
Thanks,
Michael
-----Original Message-----
From: Qiu, Michael
Sent: Wednesday, December 9, 2015 4:40 PM
To: dev@dpdk.org
Cc: Singh, Jasvinder; Dumitrescu, Cristian; root; Qiu, Michael
Subject: [PATCH] ip_pipeline: Fix compile issue with strict-aliasing
From: root <root@localhost.localdomain>
strict-aliasing
Signed-off-by: Michael Qiu <michael.qiu@intel.com>
---
.../ip_pipeline/pipeline/pipeline_routing_be.c | 11 ++++-------
1 files changed, 4 insertions(+), 7 deletions(-)
diff --git a/examples/ip_pipeline/pipeline/pipeline_routing_be.c b/examples/ip_pipeline/pipeline/pipeline_routing_be.c
index 4a95c7d..9baabd0 100644
--- a/examples/ip_pipeline/pipeline/pipeline_routing_be.c
+++ b/examples/ip_pipeline/pipeline/pipeline_routing_be.c
@@ -1461,8 +1461,7 @@ pipeline_routing_msg_req_route_add_handler(struct pipeline *p, void *msg)
uint64_t macaddr_dst;
uint64_t ethertype = ETHER_TYPE_IPv4;
- *((struct ether_addr *) &macaddr_dst) =
- req->data.ethernet.macaddr;
+ macaddr_dst = *((uint64_t *)&(req->data.ethernet.macaddr));
macaddr_dst = rte_bswap64(macaddr_dst << 16);
entry_arp0.slab[0] =
@@ -1503,8 +1502,7 @@ pipeline_routing_msg_req_route_add_handler(struct pipeline *p, void *msg)
uint64_t svlan = req->data.l2.qinq.svlan;
uint64_t cvlan = req->data.l2.qinq.cvlan;
- *((struct ether_addr *) &macaddr_dst) =
- req->data.ethernet.macaddr;
+ macaddr_dst = *((uint64_t *)&(req->data.ethernet.macaddr));
macaddr_dst = rte_bswap64(macaddr_dst << 16);
entry_arp0.slab[0] = rte_bswap64((svlan << 48) | @@ -1563,8 +1561,7 @@ pipeline_routing_msg_req_route_add_handler(struct pipeline *p, void *msg)
uint64_t label3 = req->data.l2.mpls.labels[3];
uint32_t n_labels = req->data.l2.mpls.n_labels;
- *((struct ether_addr *) &macaddr_dst) =
- req->data.ethernet.macaddr;
+ macaddr_dst = *((uint64_t *)&(req->data.ethernet.macaddr));
macaddr_dst = rte_bswap64(macaddr_dst << 16);
switch (n_labels) {
@@ -1814,7 +1811,7 @@ pipeline_routing_msg_req_arp_add_handler(struct pipeline *p, void *msg)
return rsp;
}
- *((struct ether_addr *) &entry.macaddr) = req->macaddr;
+ entry.macaddr = *((uint64_t *)&(req->macaddr));
entry.macaddr = entry.macaddr << 16;
rsp->status = rte_pipeline_table_entry_add(p->p,
--
1.7.1
^ permalink raw reply [flat|nested] 2+ messages in thread
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