From mboxrd@z Thu Jan 1 00:00:00 1970 From: Pablo Neira Ayuso Subject: [PATCH nft] src: add new --debug=mnl option to enable libmnl debugging Date: Thu, 16 Jan 2014 17:56:23 +0100 Message-ID: <1389891383-5254-1-git-send-email-pablo@netfilter.org> To: netfilter-devel@vger.kernel.org Return-path: Received: from mail.us.es ([193.147.175.20]:45188 "EHLO mail.us.es" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752204AbaAPQ4f (ORCPT ); Thu, 16 Jan 2014 11:56:35 -0500 Sender: netfilter-devel-owner@vger.kernel.org List-ID: This allows you to dump the netlink message that is send via libmnl. Signed-off-by: Pablo Neira Ayuso --- include/nftables.h | 1 + src/main.c | 6 +++++- src/mnl.c | 4 ++-- 3 files changed, 8 insertions(+), 3 deletions(-) diff --git a/include/nftables.h b/include/nftables.h index f989161..b36e10a 100644 --- a/include/nftables.h +++ b/include/nftables.h @@ -18,6 +18,7 @@ enum debug_level { DEBUG_EVALUATION = 0x4, DEBUG_NETLINK = 0x8, DEBUG_SEGTREE = 0x10, + DEBUG_MNL = 0x20, }; #define INCLUDE_PATHS_MAX 16 diff --git a/src/main.c b/src/main.c index d78eea7..3f5dd04 100644 --- a/src/main.c +++ b/src/main.c @@ -111,7 +111,7 @@ static void show_help(const char *name) " -a/--handle Output rule handle.\n" " -I/--includepath Add to the paths searched for include files.\n" #ifdef DEBUG -" --debug Specify debugging level (scanner, parser, eval, netlink, segtree, all)\n" +" --debug Specify debugging level (scanner, parser, eval, netlink, mnl, segtree, all)\n" #endif "\n", name); @@ -139,6 +139,10 @@ static const struct { .level = DEBUG_NETLINK, }, { + .name = "mnl", + .level = DEBUG_MNL, + }, + { .name = "segtree", .level = DEBUG_SEGTREE, }, diff --git a/src/mnl.c b/src/mnl.c index a4a4c4a..1662500 100644 --- a/src/mnl.c +++ b/src/mnl.c @@ -39,7 +39,7 @@ mnl_talk(struct mnl_socket *nf_sock, const void *data, unsigned int len, int ret; #ifdef DEBUG - if (debug_level & DEBUG_NETLINK) + if (debug_level & DEBUG_MNL) mnl_nlmsg_fprintf(stdout, data, len, sizeof(struct nfgenmsg)); #endif @@ -207,7 +207,7 @@ static ssize_t mnl_nft_socket_sendmsg(const struct mnl_socket *nl) iov[i].iov_len = mnl_nlmsg_batch_size(batch_page->batch); i++; #ifdef DEBUG - if (debug_level & DEBUG_NETLINK) { + if (debug_level & DEBUG_MNL) { mnl_nlmsg_fprintf(stdout, mnl_nlmsg_batch_head(batch_page->batch), mnl_nlmsg_batch_size(batch_page->batch), -- 1.7.10.4