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| author | Björn Töpel <bjorn.topel@intel.com> | 2020-11-30 19:52:05 +0100 |
|---|---|---|
| committer | Daniel Borkmann <daniel@iogearbox.net> | 2020-12-01 00:09:26 +0100 |
| commit | 41bf900fe2a0cd56bdc3639ac73d509d52826149 (patch) | |
| tree | 692c28a2c5f525ad2deab0ec1c4d1c92878b6488 /samples | |
| parent | b35fc1482ceb2f36bedd1587c3cfea3167baa2f1 (diff) | |
| download | lwn-41bf900fe2a0cd56bdc3639ac73d509d52826149.tar.gz lwn-41bf900fe2a0cd56bdc3639ac73d509d52826149.zip | |
samples/bpf: Add option to set the busy-poll budget
Support for the SO_BUSY_POLL_BUDGET setsockopt, via the batching
option ('b').
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/20201130185205.196029-11-bjorn.topel@gmail.com
Diffstat (limited to 'samples')
| -rw-r--r-- | samples/bpf/xdpsock_user.c | 5 |
1 files changed, 5 insertions, 0 deletions
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) |