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 9/9] samples/bpf: add option to set the busy-poll budget
Date: Thu, 12 Nov 2020 12:40:41 +0100 [thread overview]
Message-ID: <20201112114041.131998-10-bjorn.topel@gmail.com> (raw)
In-Reply-To: <20201112114041.131998-1-bjorn.topel@gmail.com>
From: Björn Töpel <bjorn.topel@intel.com>
Support for the SO_BUSY_POLL_BUDGET setsockopt, via the batching
option ('b').
Signed-off-by: Björn Töpel <bjorn.topel@intel.com>
---
samples/bpf/xdpsock_user.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/samples/bpf/xdpsock_user.c b/samples/bpf/xdpsock_user.c
index 8ecacbae7682..3f87b931c177 100644
--- a/samples/bpf/xdpsock_user.c
+++ b/samples/bpf/xdpsock_user.c
@@ -1482,6 +1482,11 @@ static void apply_setsockopt(struct xsk_socket_info *xsk)
if (setsockopt(xsk_socket__fd(xsk->xsk), SOL_SOCKET, SO_BUSY_POLL,
(void *)&sock_opt, sizeof(sock_opt)) < 0)
exit_with_error(errno);
+
+ sock_opt = opt_batch_size;
+ if (setsockopt(xsk_socket__fd(xsk->xsk), SOL_SOCKET, SO_BUSY_POLL_BUDGET,
+ (void *)&sock_opt, sizeof(sock_opt)) < 0)
+ exit_with_error(errno);
}
int main(int argc, char **argv)
--
2.27.0
prev parent reply other threads:[~2020-11-12 11:47 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 ` [PATCH bpf-next 7/9] samples/bpf: use recvfrom() in xdpsock Björn Töpel
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 ` Björn Töpel [this message]
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