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 v4 10/10] samples/bpf: add option to set the busy-poll budget
Date: Mon, 30 Nov 2020 19:52:05 +0100 [thread overview]
Message-ID: <20201130185205.196029-11-bjorn.topel@gmail.com> (raw)
In-Reply-To: <20201130185205.196029-1-bjorn.topel@gmail.com>
From: Björn Töpel <bjorn.topel@intel.com>
Support for the SO_BUSY_POLL_BUDGET setsockopt, via the batching
option ('b').
Acked-by: Magnus Karlsson <magnus.karlsson@intel.com>
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 4622a17fafe1..036bd019e400 100644
--- a/samples/bpf/xdpsock_user.c
+++ b/samples/bpf/xdpsock_user.c
@@ -1480,6 +1480,11 @@ 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
next prev parent reply other threads:[~2020-11-30 18:55 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-11-30 18:51 [PATCH bpf-next v4 00/10] Introduce preferred busy-polling Björn Töpel
2020-11-30 18:51 ` [PATCH bpf-next v4 01/10] net: introduce " Björn Töpel
2020-11-30 18:51 ` [PATCH bpf-next v4 02/10] net: add SO_BUSY_POLL_BUDGET socket option Björn Töpel
2020-11-30 18:51 ` [PATCH bpf-next v4 03/10] xsk: add support for recvmsg() Björn Töpel
2020-11-30 18:51 ` [PATCH bpf-next v4 04/10] xsk: check need wakeup flag in sendmsg() Björn Töpel
2020-11-30 18:52 ` [PATCH bpf-next v4 05/10] xsk: add busy-poll support for {recv,send}msg() Björn Töpel
2020-11-30 18:52 ` [PATCH bpf-next v4 06/10] xsk: propagate napi_id to XDP socket Rx path Björn Töpel
2020-11-30 18:52 ` [PATCH bpf-next v4 07/10] samples/bpf: use recvfrom() in xdpsock/rxdrop Björn Töpel
2020-11-30 18:52 ` [PATCH bpf-next v4 08/10] samples/bpf: use recvfrom() in xdpsock/l2fwd Björn Töpel
2020-11-30 18:52 ` [PATCH bpf-next v4 09/10] samples/bpf: add busy-poll support to xdpsock Björn Töpel
2020-11-30 18:52 ` Björn Töpel [this message]
2020-11-30 23:30 ` [PATCH bpf-next v4 00/10] Introduce preferred busy-polling patchwork-bot+netdevbpf
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