Message ID | 20220610150923.583202-10-maciej.fijalkowski@intel.com (mailing list archive) |
---|---|
State | Superseded |
Delegated to: | BPF |
Headers | show |
Series | AF_XDP ZC selftests | expand |
On Fri, Jun 10, 2022 at 5:31 PM Maciej Fijalkowski <maciej.fijalkowski@intel.com> wrote: > > Previous change makes xsk->outstanding_tx a dead code, so let's remove > it. Acked-by: Magnus Karlsson <magnus.karlsson@intel.com> > Signed-off-by: Maciej Fijalkowski <maciej.fijalkowski@intel.com> > --- > tools/testing/selftests/bpf/xdpxceiver.c | 20 +++----------------- > tools/testing/selftests/bpf/xdpxceiver.h | 1 - > 2 files changed, 3 insertions(+), 18 deletions(-) > > diff --git a/tools/testing/selftests/bpf/xdpxceiver.c b/tools/testing/selftests/bpf/xdpxceiver.c > index c9385690af09..a2aa652d0bb8 100644 > --- a/tools/testing/selftests/bpf/xdpxceiver.c > +++ b/tools/testing/selftests/bpf/xdpxceiver.c > @@ -815,7 +815,7 @@ static void kick_rx(struct xsk_socket_info *xsk) > exit_with_error(errno); > } > > -static int complete_pkts(struct xsk_socket_info *xsk, int batch_size) > +static void complete_pkts(struct xsk_socket_info *xsk, int batch_size) > { > unsigned int rcvd; > u32 idx; > @@ -824,20 +824,8 @@ static int complete_pkts(struct xsk_socket_info *xsk, int batch_size) > kick_tx(xsk); > > rcvd = xsk_ring_cons__peek(&xsk->umem->cq, batch_size, &idx); > - if (rcvd) { > - if (rcvd > xsk->outstanding_tx) { > - u64 addr = *xsk_ring_cons__comp_addr(&xsk->umem->cq, idx + rcvd - 1); > - > - ksft_print_msg("[%s] Too many packets completed\n", __func__); > - ksft_print_msg("Last completion address: %llx\n", addr); > - return TEST_FAILURE; > - } > - > + if (rcvd) > xsk_ring_cons__release(&xsk->umem->cq, rcvd); > - xsk->outstanding_tx -= rcvd; > - } > - > - return TEST_PASS; > } > > static int receive_pkts(struct ifobject *ifobj, struct pollfd *fds) > @@ -955,9 +943,7 @@ static int __send_pkts(struct ifobject *ifobject, u32 *pkt_nb) > pthread_mutex_unlock(&pacing_mutex); > > xsk_ring_prod__submit(&xsk->tx, i); > - xsk->outstanding_tx += valid_pkts; > - if (complete_pkts(xsk, i)) > - return TEST_FAILURE; > + complete_pkts(xsk, i); > > usleep(10); > return TEST_PASS; > diff --git a/tools/testing/selftests/bpf/xdpxceiver.h b/tools/testing/selftests/bpf/xdpxceiver.h > index f364a92675f8..12b792004163 100644 > --- a/tools/testing/selftests/bpf/xdpxceiver.h > +++ b/tools/testing/selftests/bpf/xdpxceiver.h > @@ -104,7 +104,6 @@ struct xsk_socket_info { > struct xsk_ring_prod tx; > struct xsk_umem_info *umem; > struct xsk_socket *xsk; > - u32 outstanding_tx; > u32 rxqsize; > }; > > -- > 2.27.0 >
diff --git a/tools/testing/selftests/bpf/xdpxceiver.c b/tools/testing/selftests/bpf/xdpxceiver.c index c9385690af09..a2aa652d0bb8 100644 --- a/tools/testing/selftests/bpf/xdpxceiver.c +++ b/tools/testing/selftests/bpf/xdpxceiver.c @@ -815,7 +815,7 @@ static void kick_rx(struct xsk_socket_info *xsk) exit_with_error(errno); } -static int complete_pkts(struct xsk_socket_info *xsk, int batch_size) +static void complete_pkts(struct xsk_socket_info *xsk, int batch_size) { unsigned int rcvd; u32 idx; @@ -824,20 +824,8 @@ static int complete_pkts(struct xsk_socket_info *xsk, int batch_size) kick_tx(xsk); rcvd = xsk_ring_cons__peek(&xsk->umem->cq, batch_size, &idx); - if (rcvd) { - if (rcvd > xsk->outstanding_tx) { - u64 addr = *xsk_ring_cons__comp_addr(&xsk->umem->cq, idx + rcvd - 1); - - ksft_print_msg("[%s] Too many packets completed\n", __func__); - ksft_print_msg("Last completion address: %llx\n", addr); - return TEST_FAILURE; - } - + if (rcvd) xsk_ring_cons__release(&xsk->umem->cq, rcvd); - xsk->outstanding_tx -= rcvd; - } - - return TEST_PASS; } static int receive_pkts(struct ifobject *ifobj, struct pollfd *fds) @@ -955,9 +943,7 @@ static int __send_pkts(struct ifobject *ifobject, u32 *pkt_nb) pthread_mutex_unlock(&pacing_mutex); xsk_ring_prod__submit(&xsk->tx, i); - xsk->outstanding_tx += valid_pkts; - if (complete_pkts(xsk, i)) - return TEST_FAILURE; + complete_pkts(xsk, i); usleep(10); return TEST_PASS; diff --git a/tools/testing/selftests/bpf/xdpxceiver.h b/tools/testing/selftests/bpf/xdpxceiver.h index f364a92675f8..12b792004163 100644 --- a/tools/testing/selftests/bpf/xdpxceiver.h +++ b/tools/testing/selftests/bpf/xdpxceiver.h @@ -104,7 +104,6 @@ struct xsk_socket_info { struct xsk_ring_prod tx; struct xsk_umem_info *umem; struct xsk_socket *xsk; - u32 outstanding_tx; u32 rxqsize; };
Previous change makes xsk->outstanding_tx a dead code, so let's remove it. Signed-off-by: Maciej Fijalkowski <maciej.fijalkowski@intel.com> --- tools/testing/selftests/bpf/xdpxceiver.c | 20 +++----------------- tools/testing/selftests/bpf/xdpxceiver.h | 1 - 2 files changed, 3 insertions(+), 18 deletions(-)