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authorBjörn Töpel <bjorn.topel@intel.com>2020-11-30 19:52:02 +0100
committerDaniel Borkmann <daniel@iogearbox.net>2020-12-01 00:09:25 +0100
commitf2d2728220ac6482c69c5f018ec09bafd688e7d1 (patch)
treeffdf978e187353878b6b6d5d7a0f17b056532f34 /samples/bpf
parentb02e5a0ebb172c8276cea3151942aac681f7a4a6 (diff)
downloadlinux-stericsson-f2d2728220ac6482c69c5f018ec09bafd688e7d1.tar.gz
samples/bpf: Use recvfrom() in xdpsock/rxdrop
Start using recvfrom() the rxdrop scenario. Signed-off-by: Björn Töpel <bjorn.topel@intel.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Acked-by: Magnus Karlsson <magnus.karlsson@intel.com> Link: https://lore.kernel.org/bpf/20201130185205.196029-8-bjorn.topel@gmail.com
Diffstat (limited to 'samples/bpf')
-rw-r--r--samples/bpf/xdpsock_user.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/samples/bpf/xdpsock_user.c b/samples/bpf/xdpsock_user.c
index 2567f0db5aca..f90111b95b2e 100644
--- a/samples/bpf/xdpsock_user.c
+++ b/samples/bpf/xdpsock_user.c
@@ -1170,7 +1170,7 @@ static inline void complete_tx_only(struct xsk_socket_info *xsk,
}
}
-static void rx_drop(struct xsk_socket_info *xsk, struct pollfd *fds)
+static void rx_drop(struct xsk_socket_info *xsk)
{
unsigned int rcvd, i;
u32 idx_rx = 0, idx_fq = 0;
@@ -1180,7 +1180,7 @@ static void rx_drop(struct xsk_socket_info *xsk, struct pollfd *fds)
if (!rcvd) {
if (xsk_ring_prod__needs_wakeup(&xsk->umem->fq)) {
xsk->app_stats.rx_empty_polls++;
- ret = poll(fds, num_socks, opt_timeout);
+ recvfrom(xsk_socket__fd(xsk->xsk), NULL, 0, MSG_DONTWAIT, NULL, NULL);
}
return;
}
@@ -1191,7 +1191,7 @@ static void rx_drop(struct xsk_socket_info *xsk, struct pollfd *fds)
exit_with_error(-ret);
if (xsk_ring_prod__needs_wakeup(&xsk->umem->fq)) {
xsk->app_stats.fill_fail_polls++;
- ret = poll(fds, num_socks, opt_timeout);
+ recvfrom(xsk_socket__fd(xsk->xsk), NULL, 0, MSG_DONTWAIT, NULL, NULL);
}
ret = xsk_ring_prod__reserve(&xsk->umem->fq, rcvd, &idx_fq);
}
@@ -1233,7 +1233,7 @@ static void rx_drop_all(void)
}
for (i = 0; i < num_socks; i++)
- rx_drop(xsks[i], fds);
+ rx_drop(xsks[i]);
if (benchmark_done)
break;