[dpdk-dev] [Bug 82] Failure to compile l3fwd example on ARM

[dpdk-dev] [Bug 82] Failure to compile l3fwd example on ARM

[bugzilla]

https://bugs.dpdk.org/show_bug.cgi?id=82

            Bug ID: 82
           Summary: Failure to compile l3fwd example on ARM
           Product: DPDK
           Version: unspecified
          Hardware: ARM
                OS: Linux
            Status: CONFIRMED
          Severity: major
          Priority: Normal
         Component: examples
          Assignee: dev@dpdk.org
          Reporter: rasland@mellanox.com
  Target Milestone: ---

we can't compile l3fwd example application on ARM machines:

export RTE_SDK=~/dpdk/
export RTE_TARGET=arm64-armv8a-linuxapp-gcc

make
  CC main.o
  CC l3fwd_lpm.o
  CC l3fwd_em.o
~/dpdk/examples/l3fwd/l3fwd_em.c:244:2: error: #error No vector engine (SSE,
NEON, ALTIVEC) available, check your toolchain
 #error No vector engine (SSE, NEON, ALTIVEC) available, check your toolchain
  ^
~/dpdk/examples/l3fwd/l3fwd_em.c: In function ‘em_get_ipv4_dst_port’:
~/dpdk/examples/l3fwd/l3fwd_em.c:261:2: error: implicit declaration of function
‘em_mask_key’ [-Werror=implicit-function-declaration]
  key.xmm = em_mask_key(ipv4_hdr, mask0.x);
  ^
~/dpdk/examples/l3fwd/l3fwd_em.c:261:2: error: nested extern declaration of
‘em_mask_key’ [-Werror=nested-externs]
~/dpdk/examples/l3fwd/l3fwd_em.c:261:10: error: incompatible types when
assigning to type ‘xmm_t’ from type ‘int’
  key.xmm = em_mask_key(ipv4_hdr, mask0.x);
          ^
~/dpdk/examples/l3fwd/l3fwd_em.c: In function ‘em_get_ipv6_dst_port’:
~/dpdk/examples/l3fwd/l3fwd_em.c:282:13: error: incompatible types when
assigning to type ‘xmm_t’ from type ‘int’
  key.xmm[0] = em_mask_key(data0, mask1.x);
             ^
~/dpdk/examples/l3fwd/l3fwd_em.c:294:13: error: incompatible types when
assigning to type ‘xmm_t’ from type ‘int’
  key.xmm[2] = em_mask_key(data2, mask2.x);
             ^
cc1: all warnings being treated as errors
make[1]: *** [l3fwd_em.o] Error 1
make: *** [all] Error 2

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Re: [dpdk-dev] [Bug 82] Failure to compile l3fwd example on ARM

[Honnappa Nagarahalli]

Thanks for raising the bug. Can you please provide the GCC version you are using?

Thanks,
Honnappa

-----Original Message-----
From: dev <dev-bounces@dpdk.org> On Behalf Of bugzilla@dpdk.org
Sent: Wednesday, August 15, 2018 6:10 AM
To: dev@dpdk.org
Subject: [dpdk-dev] [Bug 82] Failure to compile l3fwd example on ARM

https://bugs.dpdk.org/show_bug.cgi?id=82

            Bug ID: 82
           Summary: Failure to compile l3fwd example on ARM
           Product: DPDK
           Version: unspecified
          Hardware: ARM
                OS: Linux
            Status: CONFIRMED
          Severity: major
          Priority: Normal
         Component: examples
          Assignee: dev@dpdk.org
          Reporter: rasland@mellanox.com
  Target Milestone: ---

we can't compile l3fwd example application on ARM machines:

export RTE_SDK=~/dpdk/
export RTE_TARGET=arm64-armv8a-linuxapp-gcc

make
  CC main.o
  CC l3fwd_lpm.o
  CC l3fwd_em.o
~/dpdk/examples/l3fwd/l3fwd_em.c:244:2: error: #error No vector engine (SSE, NEON, ALTIVEC) available, check your toolchain  #error No vector engine (SSE, NEON, ALTIVEC) available, check your toolchain
  ^
~/dpdk/examples/l3fwd/l3fwd_em.c: In function ‘em_get_ipv4_dst_port’:
~/dpdk/examples/l3fwd/l3fwd_em.c:261:2: error: implicit declaration of function ‘em_mask_key’ [-Werror=implicit-function-declaration]
  key.xmm = em_mask_key(ipv4_hdr, mask0.x);
  ^
~/dpdk/examples/l3fwd/l3fwd_em.c:261:2: error: nested extern declaration of ‘em_mask_key’ [-Werror=nested-externs]
~/dpdk/examples/l3fwd/l3fwd_em.c:261:10: error: incompatible types when assigning to type ‘xmm_t’ from type ‘int’
  key.xmm = em_mask_key(ipv4_hdr, mask0.x);
          ^
~/dpdk/examples/l3fwd/l3fwd_em.c: In function ‘em_get_ipv6_dst_port’:
~/dpdk/examples/l3fwd/l3fwd_em.c:282:13: error: incompatible types when assigning to type ‘xmm_t’ from type ‘int’
  key.xmm[0] = em_mask_key(data0, mask1.x);
             ^
~/dpdk/examples/l3fwd/l3fwd_em.c:294:13: error: incompatible types when assigning to type ‘xmm_t’ from type ‘int’
  key.xmm[2] = em_mask_key(data2, mask2.x);
             ^
cc1: all warnings being treated as errors
make[1]: *** [l3fwd_em.o] Error 1
make: *** [all] Error 2

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