[PATCH v3 5/8] examples/l3fwd: enable RISC-V operation

[Stanislaw Kardach <kda@semihalf.com>]

Add missing em_mask_key() implementation and fix l3fwd_common.h
inclusion in FIB lookup functions to enable the l3fwd to be run on
RISC-V.

Sponsored-by: Frank Zhao <Frank.Zhao@starfivetech.com>
Sponsored-by: Sam Grove <sam.grove@sifive.com>
Signed-off-by: Stanislaw Kardach <kda@semihalf.com>
---
 examples/l3fwd/l3fwd_em.c  | 8 ++++++++
 examples/l3fwd/l3fwd_fib.c | 2 ++
 examples/l3fwd/meson.build | 6 ------
 3 files changed, 10 insertions(+), 6 deletions(-)

diff --git a/examples/l3fwd/l3fwd_em.c b/examples/l3fwd/l3fwd_em.c
index 24d0910fe0..bbd3452546 100644
--- a/examples/l3fwd/l3fwd_em.c
+++ b/examples/l3fwd/l3fwd_em.c
@@ -239,6 +239,14 @@ em_mask_key(void *key, xmm_t mask)
 
 	return vec_and(data, mask);
 }
+#elif defined(RTE_ARCH_RISCV)
+static inline xmm_t
+em_mask_key(void *key, xmm_t mask)
+{
+	xmm_t data = vect_load_128(key);
+
+	return vect_and(data, mask);
+}
 #else
 #error No vector engine (SSE, NEON, ALTIVEC) available, check your toolchain
 #endif
diff --git a/examples/l3fwd/l3fwd_fib.c b/examples/l3fwd/l3fwd_fib.c
index 6e0054b4cb..bdb7d7535d 100644
--- a/examples/l3fwd/l3fwd_fib.c
+++ b/examples/l3fwd/l3fwd_fib.c
@@ -18,6 +18,8 @@
 #include "l3fwd_neon.h"
 #elif defined RTE_ARCH_PPC_64
 #include "l3fwd_altivec.h"
+#else
+#include "l3fwd_common.h"
 #endif
 #include "l3fwd_event.h"
 #include "l3fwd_route.h"
diff --git a/examples/l3fwd/meson.build b/examples/l3fwd/meson.build
index 75fa19b7fe..0830b3eb31 100644
--- a/examples/l3fwd/meson.build
+++ b/examples/l3fwd/meson.build
@@ -6,12 +6,6 @@
 # To build this example as a standalone application with an already-installed
 # DPDK instance, use 'make'
 
-if dpdk_conf.has('RTE_ARCH_RISCV')
-		build = false
-		reason = 'riscv arch not supported'
-		subdir_done()
-endif
-
 allow_experimental_apis = true
 deps += ['hash', 'lpm', 'fib', 'eventdev']
 sources = files(
-- 
2.30.2