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,
intel-wired-lan@lists.osuosl.org, jonathan.lemon@gmail.com
Subject: [RFC PATCH bpf-next 9/9] samples/bpf: add option to set the busy-poll budget
Date: Wed, 28 Oct 2020 14:34:37 +0100 [thread overview]
Message-ID: <20201028133437.212503-10-bjorn.topel@gmail.com> (raw)
In-Reply-To: <20201028133437.212503-1-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 7ef2c01a1094..948faada96d5 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
next prev parent reply other threads:[~2020-10-28 22:38 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-10-28 13:34 [RFC PATCH bpf-next 0/9] Introduce biased busy-polling Björn Töpel
2020-10-28 13:34 ` [RFC PATCH bpf-next 1/9] net: introduce " Björn Töpel
2020-10-28 13:34 ` [RFC PATCH bpf-next 2/9] net: add SO_BUSY_POLL_BUDGET socket option Björn Töpel
2020-10-28 13:34 ` [RFC PATCH bpf-next 3/9] xsk: add support for recvmsg() Björn Töpel
2020-10-28 13:34 ` [RFC PATCH bpf-next 4/9] xsk: check need wakeup flag in sendmsg() Björn Töpel
2020-10-28 13:34 ` [RFC PATCH bpf-next 5/9] xsk: add busy-poll support for {recv,send}msg() Björn Töpel
2020-10-28 13:34 ` [RFC PATCH bpf-next 6/9] xsk: propagate napi_id to XDP socket Rx path Björn Töpel
2020-10-28 13:34 ` [RFC PATCH bpf-next 7/9] samples/bpf: use recvfrom() in xdpsock Björn Töpel
2020-10-28 13:34 ` [RFC PATCH bpf-next 8/9] samples/bpf: add busy-poll support to xdpsock Björn Töpel
2020-10-28 13:34 ` Björn Töpel [this message]
2020-10-28 14:13 ` [RFC PATCH bpf-next 0/9] Introduce biased busy-polling Eric Dumazet
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20201028133437.212503-10-bjorn.topel@gmail.com \
--to=bjorn.topel@gmail.com \
--cc=ast@kernel.org \
--cc=bjorn.topel@intel.com \
--cc=bpf@vger.kernel.org \
--cc=daniel@iogearbox.net \
--cc=edumazet@google.com \
--cc=intel-wired-lan@lists.osuosl.org \
--cc=jesse.brandeburg@intel.com \
--cc=jonathan.lemon@gmail.com \
--cc=kuba@kernel.org \
--cc=maciej.fijalkowski@intel.com \
--cc=magnus.karlsson@intel.com \
--cc=netdev@vger.kernel.org \
--cc=qi.z.zhang@intel.com \
--cc=sridhar.samudrala@intel.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).