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Mon, 20 Sep 2021 07:15:59 -0700 (PDT) From: Kumar Kartikeya Dwivedi To: bpf@vger.kernel.org Cc: Kumar Kartikeya Dwivedi , Alexei Starovoitov , Daniel Borkmann , Andrii Nakryiko , Martin KaFai Lau , Song Liu , Yonghong Song , Jesper Dangaard Brouer , =?UTF-8?q?Toke=20H=C3=B8iland-J=C3=B8rgensen?= , netdev@vger.kernel.org Subject: [PATCH bpf-next v4 09/11] tools: bpftool: Add separate fd_array map support for light skeleton Date: Mon, 20 Sep 2021 19:45:24 +0530 Message-Id: <20210920141526.3940002-10-memxor@gmail.com> X-Mailer: git-send-email 2.33.0 In-Reply-To: <20210920141526.3940002-1-memxor@gmail.com> References: <20210920141526.3940002-1-memxor@gmail.com> MIME-Version: 1.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=1310; h=from:subject; bh=2Sp/0Ej9RChgmna89RwHMC6AwnAZ35ulV5rtInB+ISw=; b=owEBbQKS/ZANAwAIAUzgyIZIvxHKAcsmYgBhSJaEFPw5EfsYGk37EJe1dUaupisaiklHdr1Iuyf9 TN6c3f+JAjMEAAEIAB0WIQRLvip+Buz51YI8YRFM4MiGSL8RygUCYUiWhAAKCRBM4MiGSL8Ryg3QEA CNNc4LHNrz99hisn3dVA+xSbblcqRI4D9ydytO/8LBPwQp+y/Su6rrCAe2pRW975aRzKjlgKdQfEyu QY8v8xSmWON41L9g+/dqV7Fgn4yY/7qBn0j+Br6x0Q0h3W0tWgGHvjyKXNutBVDSlC2nibIjcsSoMy iU+g3kACYBtvBszUwJ1hZnOtRslDsWsylE1Gzb2LfvtspP7KUiwt3c638IMLAZFhlGmFjqC4fWq15V rP9d7JDLAli9b7A0oLwHTLlJsc4fsptqOmpaUb3ZFj8Tk1A1rbP+lndYOpk3GTagpL3dkHTT0s9q6a RosV+cH0bO85Ij2QwpEsWgcRgvc57hSETfJo+GHtUZR5RKy6KV4DLF8fiNdUtM4ATjukqBfsjfHK7T jVWgNIZd36UMycsaZLre4+LJo6G2otcrchXX9ca9bls9J7hWbDfMW1/A2P6nTHVdUFuKfgYKR5GCyo LZvmBVhKGOvUEoQjAlnfOavwL9ETxoWEWnCQcrNolq0PKJzavCFxVyI2+wquEoau4AjCxys6bDKW9Z IIJmGqd8bA50c4SX49H+Vq3ic4z0j0UVI1fBC16jqXA47aIgqweOHJIEzWJAbgmRnp7C9/qGFYfH+i HnXdlRE79J0vCkFfKDtn/PMzv2Ni4Bdcc/y0sKt/nKmP/vtCatDoDHnQ+zKQ== X-Developer-Key: i=memxor@gmail.com; a=openpgp; fpr=4BBE2A7E06ECF9D5823C61114CE0C88648BF11CA Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: bpf@vger.kernel.org This prepares bpftool to pass fd_array_sz parameter, so that the map can be created by bpf_load_and_run function to hold map and BTF fds. --- tools/bpf/bpftool/gen.c | 3 ++- tools/bpf/bpftool/prog.c | 1 + 2 files changed, 3 insertions(+), 1 deletion(-) diff --git a/tools/bpf/bpftool/gen.c b/tools/bpf/bpftool/gen.c index e3ec47a6a612..5bd3650956a4 100644 --- a/tools/bpf/bpftool/gen.c +++ b/tools/bpf/bpftool/gen.c @@ -532,10 +532,11 @@ static int gen_trace(struct bpf_object *obj, const char *obj_name, const char *h codegen("\ \n\ + opts.fd_array_sz = %d; \n\ opts.insns_sz = %d; \n\ opts.insns = (void *)\"\\ \n\ ", - opts.insns_sz); + opts.fd_array_sz, opts.insns_sz); print_hex(opts.insns, opts.insns_sz); codegen("\ \n\ diff --git a/tools/bpf/bpftool/prog.c b/tools/bpf/bpftool/prog.c index 9c3e343b7d87..1d6286d727f4 100644 --- a/tools/bpf/bpftool/prog.c +++ b/tools/bpf/bpftool/prog.c @@ -1693,6 +1693,7 @@ static int try_loader(struct gen_loader_opts *gen) opts.data_sz = gen->data_sz; opts.insns = gen->insns; opts.insns_sz = gen->insns_sz; + opts.fd_array_sz = gen->fd_array_sz; fds_before = count_open_fds(); err = bpf_load_and_run(&opts); fd_delta = count_open_fds() - fds_before; -- 2.33.0