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Date: Tue, 7 Sep 2021 09:19:17 +0200
From: Magnus Karlsson <magnus.karlsson@...il.com>
To: magnus.karlsson@...el.com, bjorn@...nel.org, ast@...nel.org,
daniel@...earbox.net, netdev@...r.kernel.org,
maciej.fijalkowski@...el.com
Cc: jonathan.lemon@...il.com, ciara.loftus@...el.com,
bpf@...r.kernel.org, yhs@...com, andrii@...nel.org
Subject: [PATCH bpf-next v2 09/20] selftests: xsk: introduce rx_on and tx_on in ifobject
From: Magnus Karlsson <magnus.karlsson@...el.com>
Introduce rx_on and tx_on in the ifobject so that we can describe if
the thread should create a socket with only tx, rx, or both. This
eliminates some test specific if statements from the code. We can also
eliminate the flow vector structure now as this is fully specified
by the tx_on and rx_on variables.
Signed-off-by: Magnus Karlsson <magnus.karlsson@...el.com>
---
tools/testing/selftests/bpf/xdpxceiver.c | 34 ++++++++++--------------
tools/testing/selftests/bpf/xdpxceiver.h | 10 ++-----
2 files changed, 16 insertions(+), 28 deletions(-)
diff --git a/tools/testing/selftests/bpf/xdpxceiver.c b/tools/testing/selftests/bpf/xdpxceiver.c
index 9a98c45933c5..a896d5845c0e 100644
--- a/tools/testing/selftests/bpf/xdpxceiver.c
+++ b/tools/testing/selftests/bpf/xdpxceiver.c
@@ -278,14 +278,8 @@ static int xsk_configure_socket(struct xsk_socket_info *xsk, struct xsk_umem_inf
cfg.xdp_flags = xdp_flags;
cfg.bind_flags = xdp_bind_flags;
- if (test_type != TEST_TYPE_BIDI) {
- rxr = (ifobject->fv.vector == rx) ? &xsk->rx : NULL;
- txr = (ifobject->fv.vector == tx) ? &xsk->tx : NULL;
- } else {
- rxr = &xsk->rx;
- txr = &xsk->tx;
- }
-
+ txr = ifobject->tx_on ? &xsk->tx : NULL;
+ rxr = ifobject->rx_on ? &xsk->rx : NULL;
return xsk_socket__create(&xsk->xsk, ifobject->ifname, qid, umem->umem, rxr, txr, &cfg);
}
@@ -395,10 +389,13 @@ static void __test_spec_init(struct test_spec *test, struct ifobject *ifobj_tx,
ifobj->xsk = &ifobj->xsk_arr[0];
ifobj->use_poll = false;
- if (i == tx)
- ifobj->fv.vector = tx;
- else
- ifobj->fv.vector = rx;
+ if (i == 0) {
+ ifobj->rx_on = false;
+ ifobj->tx_on = true;
+ } else {
+ ifobj->rx_on = true;
+ ifobj->tx_on = false;
+ }
for (j = 0; j < MAX_SOCKETS; j++) {
memset(&ifobj->umem_arr[j], 0, sizeof(ifobj->umem_arr[j]));
@@ -923,14 +920,10 @@ static void testapp_teardown(struct test_spec *test)
static void swap_directions(struct ifobject **ifobj1, struct ifobject **ifobj2)
{
thread_func_t tmp_func_ptr = (*ifobj1)->func_ptr;
- enum fvector tmp_vector = (*ifobj1)->fv.vector;
struct ifobject *tmp_ifobj = (*ifobj1);
(*ifobj1)->func_ptr = (*ifobj2)->func_ptr;
- (*ifobj1)->fv.vector = (*ifobj2)->fv.vector;
-
(*ifobj2)->func_ptr = tmp_func_ptr;
- (*ifobj2)->fv.vector = tmp_vector;
*ifobj1 = *ifobj2;
*ifobj2 = tmp_ifobj;
@@ -939,6 +932,8 @@ static void swap_directions(struct ifobject **ifobj1, struct ifobject **ifobj2)
static void testapp_bidi(struct test_spec *test)
{
test_spec_set_name(test, "BIDIRECTIONAL");
+ test->ifobj_tx->rx_on = true;
+ test->ifobj_rx->tx_on = true;
for (int i = 0; i < MAX_BIDI_ITER; i++) {
print_verbose("Creating socket\n");
testapp_validate_traffic(test);
@@ -1012,7 +1007,7 @@ static void testapp_stats(struct test_spec *test)
static void init_iface(struct ifobject *ifobj, const char *dst_mac, const char *src_mac,
const char *dst_ip, const char *src_ip, const u16 dst_port,
- const u16 src_port, enum fvector vector, thread_func_t func_ptr)
+ const u16 src_port, thread_func_t func_ptr)
{
struct in_addr ip;
@@ -1028,7 +1023,6 @@ static void init_iface(struct ifobject *ifobj, const char *dst_mac, const char *
ifobj->dst_port = dst_port;
ifobj->src_port = src_port;
- ifobj->fv.vector = vector;
ifobj->func_ptr = func_ptr;
}
@@ -1144,9 +1138,9 @@ int main(int argc, char **argv)
ksft_exit_xfail();
}
- init_iface(ifobj_tx, MAC1, MAC2, IP1, IP2, UDP_PORT1, UDP_PORT2, tx,
+ init_iface(ifobj_tx, MAC1, MAC2, IP1, IP2, UDP_PORT1, UDP_PORT2,
worker_testapp_validate_tx);
- init_iface(ifobj_rx, MAC2, MAC1, IP2, IP1, UDP_PORT2, UDP_PORT1, rx,
+ init_iface(ifobj_rx, MAC2, MAC1, IP2, IP1, UDP_PORT2, UDP_PORT1,
worker_testapp_validate_rx);
ksft_set_plan(TEST_MODE_MAX * TEST_TYPE_MAX);
diff --git a/tools/testing/selftests/bpf/xdpxceiver.h b/tools/testing/selftests/bpf/xdpxceiver.h
index e02a4dd71bfb..03ff52897d7b 100644
--- a/tools/testing/selftests/bpf/xdpxceiver.h
+++ b/tools/testing/selftests/bpf/xdpxceiver.h
@@ -100,13 +100,6 @@ struct xsk_socket_info {
u32 rxqsize;
};
-struct flow_vector {
- enum fvector {
- tx,
- rx,
- } vector;
-};
-
struct pkt {
u64 addr;
u32 len;
@@ -127,7 +120,6 @@ struct ifobject {
struct xsk_socket_info *xsk_arr;
struct xsk_umem_info *umem;
struct xsk_umem_info *umem_arr;
- struct flow_vector fv;
thread_func_t func_ptr;
struct pkt_stream *pkt_stream;
int ns_fd;
@@ -135,6 +127,8 @@ struct ifobject {
u32 src_ip;
u16 src_port;
u16 dst_port;
+ bool tx_on;
+ bool rx_on;
bool use_poll;
u8 dst_mac[ETH_ALEN];
u8 src_mac[ETH_ALEN];
--
2.29.0
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