From: "Björn Töpel" <bjorn.topel@gmail.com>
To: netdev@vger.kernel.org, bpf@vger.kernel.org
Cc: "Björn Töpel" <bjorn.topel@intel.com>,
magnus.karlsson@intel.com, ast@kernel.org, daniel@iogearbox.net,
maciej.fijalkowski@intel.com, sridhar.samudrala@intel.com,
jesse.brandeburg@intel.com, qi.z.zhang@intel.com,
kuba@kernel.org, edumazet@google.com, jonathan.lemon@gmail.com,
maximmi@nvidia.com
Subject: [PATCH bpf-next 7/9] samples/bpf: use recvfrom() in xdpsock
Date: Thu, 12 Nov 2020 12:40:39 +0100 [thread overview]
Message-ID: <20201112114041.131998-8-bjorn.topel@gmail.com> (raw)
In-Reply-To: <20201112114041.131998-1-bjorn.topel@gmail.com>
From: Björn Töpel <bjorn.topel@intel.com>
Start using recvfrom() the rxdrop scenario.
Signed-off-by: Björn Töpel <bjorn.topel@intel.com>
---
samples/bpf/xdpsock_user.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/samples/bpf/xdpsock_user.c b/samples/bpf/xdpsock_user.c
index 1149e94ca32f..96d0b6482ac4 100644
--- a/samples/bpf/xdpsock_user.c
+++ b/samples/bpf/xdpsock_user.c
@@ -1172,7 +1172,7 @@ 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;
@@ -1182,7 +1182,7 @@ 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;
}
@@ -1193,7 +1193,7 @@ 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);
}
@@ -1235,7 +1235,7 @@ 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;
--
2.27.0
next prev parent reply other threads:[~2020-11-12 11:44 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-11-12 11:40 [PATCH bpf-next 0/9] Introduce preferred busy-polling Björn Töpel
2020-11-12 11:40 ` [PATCH bpf-next 1/9] net: introduce " Björn Töpel
2020-11-12 14:38 ` Eric Dumazet
2020-11-12 14:43 ` Björn Töpel
2020-11-12 11:40 ` [PATCH bpf-next 2/9] net: add SO_BUSY_POLL_BUDGET socket option Björn Töpel
2020-11-12 14:36 ` Eric Dumazet
2020-11-12 14:45 ` Björn Töpel
2020-11-12 11:40 ` [PATCH bpf-next 3/9] xsk: add support for recvmsg() Björn Töpel
2020-11-12 11:40 ` [PATCH bpf-next 4/9] xsk: check need wakeup flag in sendmsg() Björn Töpel
2020-11-12 11:40 ` [PATCH bpf-next 5/9] xsk: add busy-poll support for {recv,send}msg() Björn Töpel
2020-11-12 11:40 ` [PATCH bpf-next 6/9] xsk: propagate napi_id to XDP socket Rx path Björn Töpel
2020-11-15 4:48 ` Ilias Apalodimas
2020-11-12 11:40 ` Björn Töpel [this message]
2020-11-12 11:40 ` [PATCH bpf-next 8/9] samples/bpf: add busy-poll support to xdpsock Björn Töpel
2020-11-12 11:40 ` [PATCH bpf-next 9/9] samples/bpf: add option to set the busy-poll budget Björn Töpel
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